/usr/src/sys/dev/pci/if

Bug Summary

File:	dev/pci/if_iwn.c
Warning:	line 1671, column 21 Assigned value is garbage or undefined
Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name if_iwn.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -ffreestanding -mcmodel=kernel -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -target-feature -sse2 -target-feature -sse -target-feature -3dnow -target-feature -mmx -target-feature +save-args -disable-red-zone -no-implicit-float -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -nostdsysteminc -nobuiltininc -resource-dir /usr/local/lib/clang/13.0.0 -I /usr/src/sys -I /usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -I /usr/src/sys/arch -I /usr/src/sys/dev/pci/drm/include -I /usr/src/sys/dev/pci/drm/include/uapi -I /usr/src/sys/dev/pci/drm/amd/include/asic_reg -I /usr/src/sys/dev/pci/drm/amd/include -I /usr/src/sys/dev/pci/drm/amd/amdgpu -I /usr/src/sys/dev/pci/drm/amd/display -I /usr/src/sys/dev/pci/drm/amd/display/include -I /usr/src/sys/dev/pci/drm/amd/display/dc -I /usr/src/sys/dev/pci/drm/amd/display/amdgpu_dm -I /usr/src/sys/dev/pci/drm/amd/pm/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu11 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu12 -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/smumgr -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc/hw -I /usr/src/sys/dev/pci/drm/amd/display/dc/clk_mgr -I /usr/src/sys/dev/pci/drm/amd/display/modules/inc -I /usr/src/sys/dev/pci/drm/amd/display/modules/hdcp -I /usr/src/sys/dev/pci/drm/amd/display/dmub/inc -I /usr/src/sys/dev/pci/drm/i915 -D DDB -D DIAGNOSTIC -D KTRACE -D ACCOUNTING -D KMEMSTATS -D PTRACE -D POOL_DEBUG -D CRYPTO -D SYSVMSG -D SYSVSEM -D SYSVSHM -D UVM_SWAP_ENCRYPT -D FFS -D FFS2 -D FFS_SOFTUPDATES -D UFS_DIRHASH -D QUOTA -D EXT2FS -D MFS -D NFSCLIENT -D NFSSERVER -D CD9660 -D UDF -D MSDOSFS -D FIFO -D FUSE -D SOCKET_SPLICE -D TCP_ECN -D TCP_SIGNATURE -D INET6 -D IPSEC -D PPP_BSDCOMP -D PPP_DEFLATE -D PIPEX -D MROUTING -D MPLS -D BOOT_CONFIG -D USER_PCICONF -D APERTURE -D MTRR -D NTFS -D HIBERNATE -D PCIVERBOSE -D USBVERBOSE -D WSDISPLAY_COMPAT_USL -D WSDISPLAY_COMPAT_RAWKBD -D WSDISPLAY_DEFAULTSCREENS=6 -D X86EMU -D ONEWIREVERBOSE -D MULTIPROCESSOR -D MAXUSERS=80 -D _KERNEL -D CONFIG_DRM_AMD_DC_DCN3_0 -O2 -Wno-pointer-sign -Wno-address-of-packed-member -Wno-constant-conversion -Wno-unused-but-set-variable -Wno-gnu-folding-constant -fdebug-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -o /usr/obj/sys/arch/amd64/compile/GENERIC.MP/scan-build/2022-01-12-131800-47421-1 -x c /usr/src/sys/dev/pci/if_iwn.c
1/*	$OpenBSD: if_iwn.c,v 1.254 2022/01/09 05:42:52 jsg Exp $	*/

3/*-
* Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

19/*
* Driver for Intel WiFi Link 4965 and 1000/5000/6000 Series 802.11 network
* adapters.
*/

24#include "bpfilter.h"

26#include <sys/param.h>
27#include <sys/sockio.h>
28#include <sys/mbuf.h>
29#include <sys/kernel.h>
30#include <sys/rwlock.h>
31#include <sys/socket.h>
32#include <sys/systm.h>
33#include <sys/malloc.h>
34#include <sys/conf.h>
35#include <sys/device.h>
36#include <sys/task.h>
37#include <sys/endian.h>

39#include <machine/bus.h>
40#include <machine/intr.h>

42#include <dev/pci/pcireg.h>
43#include <dev/pci/pcivar.h>
44#include <dev/pci/pcidevs.h>

46#if NBPFILTER1 > 0
47#include <net/bpf.h>
48#endif
49#include <net/if.h>
50#include <net/if_dl.h>
51#include <net/if_media.h>

53#include <netinet/in.h>
54#include <netinet/if_ether.h>

56#include <net80211/ieee80211_var.h>
57#include <net80211/ieee80211_amrr.h>
58#include <net80211/ieee80211_ra.h>
59#include <net80211/ieee80211_radiotap.h>
60#include <net80211/ieee80211_priv.h> /* for SEQ_LT */
61#undef DPRINTF /* defined in ieee80211_priv.h */

63#include <dev/pci/if_iwnreg.h>
64#include <dev/pci/if_iwnvar.h>

66static const struct pci_matchid iwn_devices[] = {
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_4965_10x4229 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_4965_20x4230 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_5100_10x4232 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_5100_20x4237 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_5150_10x423c },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_5150_20x423d },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_5300_10x4235 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_5300_20x4236 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_5350_10x423a },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_5350_20x423b },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_1000_10x0083 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_1000_20x0084 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6300_10x422b },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6300_20x4238 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6200_10x422c },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6200_20x4239 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6050_10x0087 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6050_20x0089 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6005_10x0082 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6005_20x0085 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6030_10x0090 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6030_20x0091 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_1030_10x008a },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_1030_20x008b },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_100_10x08ae },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_100_20x08af },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_130_10x0896 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_130_20x0897 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6235_10x088e },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_6235_20x088f },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_2230_10x0887 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_2230_20x0888 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_2200_10x0890 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_2200_20x0891 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_135_10x0892 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_135_20x0893 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_105_10x0894 },
{ PCI_VENDOR_INTEL0x8086, PCI_PRODUCT_INTEL_WL_105_20x0895 },
105};

107int		iwn_match(struct device *, void *, void *);
108void		iwn_attach(struct device *, struct device *, void *);
109int		iwn4965_attach(struct iwn_softc *, pci_product_id_t);
110int		iwn5000_attach(struct iwn_softc *, pci_product_id_t);
111#if NBPFILTER1 > 0
112void		iwn_radiotap_attach(struct iwn_softc *);
113#endif
114int		iwn_detach(struct device *, int);
115int		iwn_activate(struct device *, int);
116void		iwn_wakeup(struct iwn_softc *);
117void		iwn_init_task(void *);
118int		iwn_nic_lock(struct iwn_softc *);
119int		iwn_eeprom_lock(struct iwn_softc *);
120int		iwn_init_otprom(struct iwn_softc *);
121int		iwn_read_prom_data(struct iwn_softc *, uint32_t, void *, int);
122int		iwn_dma_contig_alloc(bus_dma_tag_t, struct iwn_dma_info *,
    void **, bus_size_t, bus_size_t);
124void		iwn_dma_contig_free(struct iwn_dma_info *);
125int		iwn_alloc_sched(struct iwn_softc *);
126void		iwn_free_sched(struct iwn_softc *);
127int		iwn_alloc_kw(struct iwn_softc *);
128void		iwn_free_kw(struct iwn_softc *);
129int		iwn_alloc_ict(struct iwn_softc *);
130void		iwn_free_ict(struct iwn_softc *);
131int		iwn_alloc_fwmem(struct iwn_softc *);
132void		iwn_free_fwmem(struct iwn_softc *);
133int		iwn_alloc_rx_ring(struct iwn_softc *, struct iwn_rx_ring *);
134void		iwn_reset_rx_ring(struct iwn_softc *, struct iwn_rx_ring *);
135void		iwn_free_rx_ring(struct iwn_softc *, struct iwn_rx_ring *);
136int		iwn_alloc_tx_ring(struct iwn_softc *, struct iwn_tx_ring *,
    int);
138void		iwn_reset_tx_ring(struct iwn_softc *, struct iwn_tx_ring *);
139void		iwn_free_tx_ring(struct iwn_softc *, struct iwn_tx_ring *);
140void		iwn5000_ict_reset(struct iwn_softc *);
141int		iwn_read_eeprom(struct iwn_softc *);
142void		iwn4965_read_eeprom(struct iwn_softc *);
143void		iwn4965_print_power_group(struct iwn_softc *, int);
144void		iwn5000_read_eeprom(struct iwn_softc *);
145void		iwn_read_eeprom_channels(struct iwn_softc *, int, uint32_t);
146void		iwn_read_eeprom_enhinfo(struct iwn_softc *);
147struct		ieee80211_node *iwn_node_alloc(struct ieee80211com *);
148void		iwn_newassoc(struct ieee80211com *, struct ieee80211_node *,
    int);
150int		iwn_media_change(struct ifnet *);
151int		iwn_newstate(struct ieee80211com *, enum ieee80211_state, int);
152void		iwn_iter_func(void *, struct ieee80211_node *);
153void		iwn_calib_timeout(void *);
154int		iwn_ccmp_decap(struct iwn_softc *, struct mbuf *,
    struct ieee80211_node *);
156void		iwn_rx_phy(struct iwn_softc *, struct iwn_rx_desc *,
    struct iwn_rx_data *);
158void		iwn_rx_done(struct iwn_softc *, struct iwn_rx_desc *,
    struct iwn_rx_data *, struct mbuf_list *);
160void		iwn_ra_choose(struct iwn_softc *, struct ieee80211_node *);
161void		iwn_ampdu_rate_control(struct iwn_softc *, struct ieee80211_node *,
    struct iwn_tx_ring *, uint16_t, uint16_t);
163void		iwn_ht_single_rate_control(struct iwn_softc *,
    struct ieee80211_node *, uint8_t, uint8_t, uint8_t, int);
165void		iwn_rx_compressed_ba(struct iwn_softc *, struct iwn_rx_desc *,
    struct iwn_rx_data *);
167void		iwn5000_rx_calib_results(struct iwn_softc *,
    struct iwn_rx_desc *, struct iwn_rx_data *);
169void		iwn_rx_statistics(struct iwn_softc *, struct iwn_rx_desc *,
    struct iwn_rx_data *);
171void		iwn_ampdu_txq_advance(struct iwn_softc *, struct iwn_tx_ring *,
    int, int);
173void		iwn_ampdu_tx_done(struct iwn_softc *, struct iwn_tx_ring *,
    struct iwn_rx_desc *, uint16_t, uint8_t, uint8_t, uint8_t,
    int, uint32_t, struct iwn_txagg_status *);
176void		iwn4965_tx_done(struct iwn_softc *, struct iwn_rx_desc *,
    struct iwn_rx_data *);
178void		iwn5000_tx_done(struct iwn_softc *, struct iwn_rx_desc *,
    struct iwn_rx_data *);
180void		iwn_tx_done_free_txdata(struct iwn_softc *,
    struct iwn_tx_data *);
182void		iwn_clear_oactive(struct iwn_softc *, struct iwn_tx_ring *);
183void		iwn_tx_done(struct iwn_softc *, struct iwn_rx_desc *,
    uint8_t, uint8_t, uint8_t, int, int, uint16_t);
185void		iwn_cmd_done(struct iwn_softc *, struct iwn_rx_desc *);
186void		iwn_notif_intr(struct iwn_softc *);
187void		iwn_wakeup_intr(struct iwn_softc *);
188void		iwn_fatal_intr(struct iwn_softc *);
189int		iwn_intr(void *);
190void		iwn4965_update_sched(struct iwn_softc *, int, int, uint8_t,
    uint16_t);
192void		iwn4965_reset_sched(struct iwn_softc *, int, int);
193void		iwn5000_update_sched(struct iwn_softc *, int, int, uint8_t,
    uint16_t);
195void		iwn5000_reset_sched(struct iwn_softc *, int, int);
196int		iwn_tx(struct iwn_softc *, struct mbuf *,
    struct ieee80211_node *);
198int		iwn_rval2ridx(int);
199void		iwn_start(struct ifnet *);
200void		iwn_watchdog(struct ifnet *);
201int		iwn_ioctl(struct ifnet *, u_long, caddr_t);
202int		iwn_cmd(struct iwn_softc *, int, const void *, int, int);
203int		iwn4965_add_node(struct iwn_softc *, struct iwn_node_info *,
    int);
205int		iwn5000_add_node(struct iwn_softc *, struct iwn_node_info *,
    int);
207int		iwn_set_link_quality(struct iwn_softc *,
    struct ieee80211_node *);
209int		iwn_add_broadcast_node(struct iwn_softc *, int, int);
210void		iwn_updateedca(struct ieee80211com *);
211void		iwn_set_led(struct iwn_softc *, uint8_t, uint8_t, uint8_t);
212int		iwn_set_critical_temp(struct iwn_softc *);
213int		iwn_set_timing(struct iwn_softc *, struct ieee80211_node *);
214void		iwn4965_power_calibration(struct iwn_softc *, int);
215int		iwn4965_set_txpower(struct iwn_softc *, int);
216int		iwn5000_set_txpower(struct iwn_softc *, int);
217int		iwn4965_get_rssi(const struct iwn_rx_stat *);
218int		iwn5000_get_rssi(const struct iwn_rx_stat *);
219int		iwn_get_noise(const struct iwn_rx_general_stats *);
220int		iwn4965_get_temperature(struct iwn_softc *);
221int		iwn5000_get_temperature(struct iwn_softc *);
222int		iwn_init_sensitivity(struct iwn_softc *);
223void		iwn_collect_noise(struct iwn_softc *,
    const struct iwn_rx_general_stats *);
225int		iwn4965_init_gains(struct iwn_softc *);
226int		iwn5000_init_gains(struct iwn_softc *);
227int		iwn4965_set_gains(struct iwn_softc *);
228int		iwn5000_set_gains(struct iwn_softc *);
229void		iwn_tune_sensitivity(struct iwn_softc *,
    const struct iwn_rx_stats *);
231int		iwn_send_sensitivity(struct iwn_softc *);
232int		iwn_set_pslevel(struct iwn_softc *, int, int, int);
233int		iwn_send_temperature_offset(struct iwn_softc *);
234int		iwn_send_btcoex(struct iwn_softc *);
235int		iwn_send_advanced_btcoex(struct iwn_softc *);
236int		iwn5000_runtime_calib(struct iwn_softc *);
237int		iwn_config(struct iwn_softc *);
238uint16_t	iwn_get_active_dwell_time(struct iwn_softc *, uint16_t, uint8_t);
239uint16_t	iwn_limit_dwell(struct iwn_softc *, uint16_t);
240uint16_t	iwn_get_passive_dwell_time(struct iwn_softc *, uint16_t);
241int		iwn_scan(struct iwn_softc *, uint16_t, int);
242void		iwn_scan_abort(struct iwn_softc *);
243int		iwn_bgscan(struct ieee80211com *);
244void		iwn_rxon_configure_ht40(struct ieee80211com *,
    struct ieee80211_node *);
246int		iwn_rxon_ht40_enabled(struct iwn_softc *);
247int		iwn_auth(struct iwn_softc *, int);
248int		iwn_run(struct iwn_softc *);
249int		iwn_set_key(struct ieee80211com *, struct ieee80211_node *,
    struct ieee80211_key *);
251void		iwn_delete_key(struct ieee80211com *, struct ieee80211_node *,
    struct ieee80211_key *);
253void		iwn_updatechan(struct ieee80211com *);
254void		iwn_updateprot(struct ieee80211com *);
255void		iwn_updateslot(struct ieee80211com *);
256void		iwn_update_rxon_restore_power(struct iwn_softc *);
257void		iwn5000_update_rxon(struct iwn_softc *);
258void		iwn4965_update_rxon(struct iwn_softc *);
259int		iwn_ampdu_rx_start(struct ieee80211com *,
    struct ieee80211_node *, uint8_t);
261void		iwn_ampdu_rx_stop(struct ieee80211com *,
    struct ieee80211_node *, uint8_t);
263int		iwn_ampdu_tx_start(struct ieee80211com *,
    struct ieee80211_node *, uint8_t);
265void		iwn_ampdu_tx_stop(struct ieee80211com *,
    struct ieee80211_node *, uint8_t);
267void		iwn4965_ampdu_tx_start(struct iwn_softc *,
    struct ieee80211_node *, uint8_t, uint16_t);
269void		iwn4965_ampdu_tx_stop(struct iwn_softc *,
    uint8_t, uint16_t);
271void		iwn5000_ampdu_tx_start(struct iwn_softc *,
    struct ieee80211_node *, uint8_t, uint16_t);
273void		iwn5000_ampdu_tx_stop(struct iwn_softc *,
    uint8_t, uint16_t);
275int		iwn5000_query_calibration(struct iwn_softc *);
276int		iwn5000_send_calibration(struct iwn_softc *);
277int		iwn5000_send_wimax_coex(struct iwn_softc *);
278int		iwn5000_crystal_calib(struct iwn_softc *);
279int		iwn6000_temp_offset_calib(struct iwn_softc *);
280int		iwn2000_temp_offset_calib(struct iwn_softc *);
281int		iwn4965_post_alive(struct iwn_softc *);
282int		iwn5000_post_alive(struct iwn_softc *);
283int		iwn4965_load_bootcode(struct iwn_softc *, const uint8_t *,
    int);
285int		iwn4965_load_firmware(struct iwn_softc *);
286int		iwn5000_load_firmware_section(struct iwn_softc *, uint32_t,
    const uint8_t *, int);
288int		iwn5000_load_firmware(struct iwn_softc *);
289int		iwn_read_firmware_leg(struct iwn_softc *,
    struct iwn_fw_info *);
291int		iwn_read_firmware_tlv(struct iwn_softc *,
    struct iwn_fw_info *, uint16_t);
293int		iwn_read_firmware(struct iwn_softc *);
294int		iwn_clock_wait(struct iwn_softc *);
295int		iwn_apm_init(struct iwn_softc *);
296void		iwn_apm_stop_master(struct iwn_softc *);
297void		iwn_apm_stop(struct iwn_softc *);
298int		iwn4965_nic_config(struct iwn_softc *);
299int		iwn5000_nic_config(struct iwn_softc *);
300int		iwn_hw_prepare(struct iwn_softc *);
301int		iwn_hw_init(struct iwn_softc *);
302void		iwn_hw_stop(struct iwn_softc *);
303int		iwn_init(struct ifnet *);
304void		iwn_stop(struct ifnet *);

306#ifdef IWN_DEBUG
307#define DPRINTF(x)	do { if (iwn_debug > 0) printf x; } while (0)
308#define DPRINTFN(n, x)	do { if (iwn_debug >= (n)) printf x; } while (0)
309int iwn_debug = 1;
310#else
311#define DPRINTF(x)
312#define DPRINTFN(n, x)
313#endif

315struct cfdriver iwn_cd = {
NULL((void *)0), "iwn", DV_IFNET
317};

319struct cfattach iwn_ca = {
sizeof (struct iwn_softc), iwn_match, iwn_attach, iwn_detach,
iwn_activate
322};

324int
325iwn_match(struct device *parent, void *match, void *aux)
326{
return pci_matchbyid((struct pci_attach_args *)aux, iwn_devices,
   nitems(iwn_devices)(sizeof((iwn_devices)) / sizeof((iwn_devices)[0])));
329}

331void
332iwn_attach(struct device *parent, struct device *self, void *aux)
333{
struct iwn_softc *sc = (struct iwn_softc *)self;
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = &ic->ic_ific_ac.ac_if;
struct pci_attach_args *pa = aux;
const char *intrstr;
pci_intr_handle_t ih;
pcireg_t memtype, reg;
int i, error;

sc->sc_pct = pa->pa_pc;
sc->sc_pcitag = pa->pa_tag;
sc->sc_dmat = pa->pa_dmat;

/*
* Get the offset of the PCI Express Capability Structure in PCI
* Configuration Space.
*/
error = pci_get_capability(sc->sc_pct, sc->sc_pcitag,
   PCI_CAP_PCIEXPRESS0x10, &sc->sc_cap_off, NULL((void *)0));
if (error == 0) {
printf(": PCIe capability structure not found!\n");
return;
}

/* Clear device-specific "PCI retry timeout" register (41h). */
reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag, 0x40);
if (reg & 0xff00)
pci_conf_write(sc->sc_pct, sc->sc_pcitag, 0x40, reg & ~0xff00);

/* Hardware bug workaround. */
reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag, PCI_COMMAND_STATUS_REG0x04);
if (reg & PCI_COMMAND_INTERRUPT_DISABLE0x00000400) {
DPRINTF(("PCIe INTx Disable set\n"));
reg &= ~PCI_COMMAND_INTERRUPT_DISABLE0x00000400;
pci_conf_write(sc->sc_pct, sc->sc_pcitag,
    PCI_COMMAND_STATUS_REG0x04, reg);
}

memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, IWN_PCI_BAR00x10);
error = pci_mapreg_map(pa, IWN_PCI_BAR00x10, memtype, 0, &sc->sc_st,
   &sc->sc_sh, NULL((void *)0), &sc->sc_sz, 0);
if (error != 0) {
printf(": can't map mem space\n");
return;
}

/* Install interrupt handler. */
if (pci_intr_map_msi(pa, &ih) != 0 && pci_intr_map(pa, &ih) != 0) {
printf(": can't map interrupt\n");
return;
}
intrstr = pci_intr_string(sc->sc_pct, ih);
sc->sc_ih = pci_intr_establish(sc->sc_pct, ih, IPL_NET0x7, iwn_intr, sc,
   sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL((void *)0)) {
printf(": can't establish interrupt");
if (intrstr != NULL((void *)0))
	printf(" at %s", intrstr);
printf("\n");
return;
}
printf(": %s", intrstr);

/* Read hardware revision and attach. */
sc->hw_type = (IWN_READ(sc, IWN_HW_REV)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x028)))) >> 4) & 0x1f;
if (sc->hw_type == IWN_HW_REV_TYPE_49650)
error = iwn4965_attach(sc, PCI_PRODUCT(pa->pa_id)(((pa->pa_id) >> 16) & 0xffff));
else
error = iwn5000_attach(sc, PCI_PRODUCT(pa->pa_id)(((pa->pa_id) >> 16) & 0xffff));
if (error != 0) {
printf(": could not attach device\n");
return;
}

if ((error = iwn_hw_prepare(sc)) != 0) {
printf(": hardware not ready\n");
return;
}

/* Read MAC address, channels, etc from EEPROM. */
if ((error = iwn_read_eeprom(sc)) != 0) {
printf(": could not read EEPROM\n");
return;
}

/* Allocate DMA memory for firmware transfers. */
if ((error = iwn_alloc_fwmem(sc)) != 0) {
printf(": could not allocate memory for firmware\n");
return;
}

/* Allocate "Keep Warm" page. */
if ((error = iwn_alloc_kw(sc)) != 0) {
printf(": could not allocate keep warm page\n");
goto fail1;
}

/* Allocate ICT table for 5000 Series. */
if (sc->hw_type != IWN_HW_REV_TYPE_49650 &&
   (error = iwn_alloc_ict(sc)) != 0) {
printf(": could not allocate ICT table\n");
goto fail2;
}

/* Allocate TX scheduler "rings". */
if ((error = iwn_alloc_sched(sc)) != 0) {
printf(": could not allocate TX scheduler rings\n");
goto fail3;
}

/* Allocate TX rings (16 on 4965AGN, 20 on >=5000). */
for (i = 0; i < sc->ntxqs; i++) {
if ((error = iwn_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) {
	printf(": could not allocate TX ring %d\n", i);
	goto fail4;
}
}

/* Allocate RX ring. */
if ((error = iwn_alloc_rx_ring(sc, &sc->rxq)) != 0) {
printf(": could not allocate RX ring\n");
goto fail4;
}

/* Clear pending interrupts. */
IWN_WRITE(sc, IWN_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), ((
0xffffffff))));

/* Count the number of available chains. */
sc->ntxchains =
   ((sc->txchainmask >> 2) & 1) +
   ((sc->txchainmask >> 1) & 1) +
   ((sc->txchainmask >> 0) & 1);
sc->nrxchains =
   ((sc->rxchainmask >> 2) & 1) +
   ((sc->rxchainmask >> 1) & 1) +
   ((sc->rxchainmask >> 0) & 1);
printf(", MIMO %dT%dR, %.4s, address %s\n", sc->ntxchains,
   sc->nrxchains, sc->eeprom_domain, ether_sprintf(ic->ic_myaddr));

ic->ic_phytype = IEEE80211_T_OFDM;	/* not only, but not used */
ic->ic_opmode = IEEE80211_M_STA;	/* default to BSS mode */
ic->ic_state = IEEE80211_S_INIT;

/* Set device capabilities. */
ic->ic_caps =
   IEEE80211_C_WEP0x00000001 |		/* WEP */
   IEEE80211_C_RSN0x00001000 |		/* WPA/RSN */
   IEEE80211_C_SCANALL0x00000400 |	/* device scans all channels at once */
   IEEE80211_C_SCANALLBAND0x00008000 |	/* driver scans all bands at once */
   IEEE80211_C_MONITOR0x00000200 |	/* monitor mode supported */
   IEEE80211_C_SHSLOT0x00000080 |	/* short slot time supported */
   IEEE80211_C_SHPREAMBLE0x00000100 |	/* short preamble supported */
   IEEE80211_C_PMGT0x00000004;		/* power saving supported */

/* No optional HT features supported for now, */
ic->ic_htcaps = 0;
ic->ic_htxcaps = 0;
ic->ic_txbfcaps = 0;
ic->ic_aselcaps = 0;
ic->ic_ampdu_params = (IEEE80211_AMPDU_PARAM_SS_4(5 << 2) | 0x3 /* 64k */);
if (sc->sc_flags & IWN_FLAG_HAS_11N(1 << 6)) {
ic->ic_caps |= (IEEE80211_C_QOS0x00000800 | IEEE80211_C_TX_AMPDU0x00010000);
/* Set HT capabilities. */
ic->ic_htcaps = IEEE80211_HTCAP_SGI200x00000020;
/* 6200 devices have issues with SGI40 for some reason. */
if ((sc->sc_flags & IWN_FLAG_INTERNAL_PA(1 << 4)) == 0)
	ic->ic_htcaps |= IEEE80211_HTCAP_SGI400x00000040;
ic->ic_htcaps |= IEEE80211_HTCAP_CBW20_400x00000002;
502#ifdef notyet
ic->ic_htcaps |=
504#if IWN_RBUF_SIZE(4 * 1024) == 8192
    IEEE80211_HTCAP_AMSDU79350x00000800 |
506#endif
if (sc->hw_type != IWN_HW_REV_TYPE_49650)
	ic->ic_htcaps |= IEEE80211_HTCAP_GF0x00000010;
if (sc->hw_type == IWN_HW_REV_TYPE_60508)
	ic->ic_htcaps |= IEEE80211_HTCAP_SMPS_DYN1;
else
	ic->ic_htcaps |= IEEE80211_HTCAP_SMPS_DIS3;
513#endif	/* notyet */
}

/* Set supported legacy rates. */
ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b;
ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g;
if (sc->sc_flags & IWN_FLAG_HAS_5GHZ(1 << 0)) {
ic->ic_sup_rates[IEEE80211_MODE_11A] =
    ieee80211_std_rateset_11a;
}
if (sc->sc_flags & IWN_FLAG_HAS_11N(1 << 6)) {
/* Set supported HT rates. */
ic->ic_sup_mcs[0] = 0xff;		/* MCS 0-7 */
526#ifdef notyet
if (sc->nrxchains > 1)
	ic->ic_sup_mcs[1] = 0xff;	/* MCS 8-15 */
if (sc->nrxchains > 2)
	ic->ic_sup_mcs[2] = 0xff;	/* MCS 16-23 */
531#endif
}

/* IBSS channel undefined for now. */
ic->ic_ibss_chan = &ic->ic_channels[0];

ifp->if_softc = sc;
ifp->if_flags = IFF_BROADCAST0x2 | IFF_SIMPLEX0x800 | IFF_MULTICAST0x8000;
ifp->if_ioctl = iwn_ioctl;
ifp->if_start = iwn_start;
ifp->if_watchdog = iwn_watchdog;
memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ)__builtin_memcpy((ifp->if_xname), (sc->sc_dev.dv_xname)
, (16));

if_attach(ifp);
ieee80211_ifattach(ifp);
ic->ic_node_alloc = iwn_node_alloc;
ic->ic_bgscan_start = iwn_bgscan;
ic->ic_newassoc = iwn_newassoc;
ic->ic_updateedca = iwn_updateedca;
ic->ic_set_key = iwn_set_key;
ic->ic_delete_key = iwn_delete_key;
ic->ic_updatechan = iwn_updatechan;
ic->ic_updateprot = iwn_updateprot;
ic->ic_updateslot = iwn_updateslot;
ic->ic_ampdu_rx_start = iwn_ampdu_rx_start;
ic->ic_ampdu_rx_stop = iwn_ampdu_rx_stop;
ic->ic_ampdu_tx_start = iwn_ampdu_tx_start;
ic->ic_ampdu_tx_stop = iwn_ampdu_tx_stop;

/* Override 802.11 state transition machine. */
sc->sc_newstate = ic->ic_newstate;
ic->ic_newstate = iwn_newstate;
ieee80211_media_init(ifp, iwn_media_change, ieee80211_media_status);

sc->amrr.amrr_min_success_threshold =  1;
sc->amrr.amrr_max_success_threshold = 15;

568#if NBPFILTER1 > 0
iwn_radiotap_attach(sc);
570#endif
timeout_set(&sc->calib_to, iwn_calib_timeout, sc);
rw_init(&sc->sc_rwlock, "iwnlock")_rw_init_flags(&sc->sc_rwlock, "iwnlock", 0, ((void *)
0));
task_set(&sc->init_task, iwn_init_task, sc);
return;

/* Free allocated memory if something failed during attachment. */
577fail4:	while (--i >= 0)
iwn_free_tx_ring(sc, &sc->txq[i]);
iwn_free_sched(sc);
580fail3:	if (sc->ict != NULL((void *)0))
iwn_free_ict(sc);
582fail2:	iwn_free_kw(sc);
583fail1:	iwn_free_fwmem(sc);
584}

586int
587iwn4965_attach(struct iwn_softc *sc, pci_product_id_t pid)
588{
struct iwn_ops *ops = &sc->ops;

ops->load_firmware = iwn4965_load_firmware;
ops->read_eeprom = iwn4965_read_eeprom;
ops->post_alive = iwn4965_post_alive;
ops->nic_config = iwn4965_nic_config;
ops->reset_sched = iwn4965_reset_sched;
ops->update_sched = iwn4965_update_sched;
ops->update_rxon = iwn4965_update_rxon;
ops->get_temperature = iwn4965_get_temperature;
ops->get_rssi = iwn4965_get_rssi;
ops->set_txpower = iwn4965_set_txpower;
ops->init_gains = iwn4965_init_gains;
ops->set_gains = iwn4965_set_gains;
ops->add_node = iwn4965_add_node;
ops->tx_done = iwn4965_tx_done;
ops->ampdu_tx_start = iwn4965_ampdu_tx_start;
ops->ampdu_tx_stop = iwn4965_ampdu_tx_stop;
sc->ntxqs = IWN4965_NTXQUEUES16;
sc->first_agg_txq = IWN4965_FIRST_AGG_TXQUEUE7;
sc->ndmachnls = IWN4965_NDMACHNLS7;
sc->broadcast_id = IWN4965_ID_BROADCAST31;
sc->rxonsz = IWN4965_RXONSZ(sizeof (struct iwn_rxon) - 6);
sc->schedsz = IWN4965_SCHEDSZ(16 * 512 * 2);
sc->fw_text_maxsz = IWN4965_FW_TEXT_MAXSZ( 96 * 1024);
sc->fw_data_maxsz = IWN4965_FW_DATA_MAXSZ( 40 * 1024);
sc->fwsz = IWN4965_FWSZ(( 96 * 1024) + ( 40 * 1024));
sc->sched_txfact_addr = IWN4965_SCHED_TXFACT(0xa02c00 + 0x01c);
sc->limits = &iwn4965_sensitivity_limits;
sc->fwname = "iwn-4965";
/* Override chains masks, ROM is known to be broken. */
sc->txchainmask = IWN_ANT_AB((1 << 0) | (1 << 1));
sc->rxchainmask = IWN_ANT_ABC((1 << 0) | (1 << 1) | (1 << 2));

return 0;
624}

626int
627iwn5000_attach(struct iwn_softc *sc, pci_product_id_t pid)
628{
struct iwn_ops *ops = &sc->ops;

ops->load_firmware = iwn5000_load_firmware;
ops->read_eeprom = iwn5000_read_eeprom;
ops->post_alive = iwn5000_post_alive;
ops->nic_config = iwn5000_nic_config;
ops->reset_sched = iwn5000_reset_sched;
ops->update_sched = iwn5000_update_sched;
ops->update_rxon = iwn5000_update_rxon;
ops->get_temperature = iwn5000_get_temperature;
ops->get_rssi = iwn5000_get_rssi;
ops->set_txpower = iwn5000_set_txpower;
ops->init_gains = iwn5000_init_gains;
ops->set_gains = iwn5000_set_gains;
ops->add_node = iwn5000_add_node;
ops->tx_done = iwn5000_tx_done;
ops->ampdu_tx_start = iwn5000_ampdu_tx_start;
ops->ampdu_tx_stop = iwn5000_ampdu_tx_stop;
sc->ntxqs = IWN5000_NTXQUEUES20;
sc->first_agg_txq = IWN5000_FIRST_AGG_TXQUEUE10;
sc->ndmachnls = IWN5000_NDMACHNLS8;
sc->broadcast_id = IWN5000_ID_BROADCAST15;
sc->rxonsz = IWN5000_RXONSZ(sizeof (struct iwn_rxon));
sc->schedsz = IWN5000_SCHEDSZ(20 * (256 + 64) * 2);
sc->fw_text_maxsz = IWN5000_FW_TEXT_MAXSZ(256 * 1024);
sc->fw_data_maxsz = IWN5000_FW_DATA_MAXSZ( 80 * 1024);
sc->fwsz = IWN5000_FWSZ(256 * 1024);
sc->sched_txfact_addr = IWN5000_SCHED_TXFACT(0xa02c00 + 0x010);

switch (sc->hw_type) {
case IWN_HW_REV_TYPE_51005:
sc->limits = &iwn5000_sensitivity_limits;
sc->fwname = "iwn-5000";
/* Override chains masks, ROM is known to be broken. */
sc->txchainmask = IWN_ANT_B(1 << 1);
sc->rxchainmask = IWN_ANT_AB((1 << 0) | (1 << 1));
break;
case IWN_HW_REV_TYPE_51504:
sc->limits = &iwn5150_sensitivity_limits;
sc->fwname = "iwn-5150";
break;
case IWN_HW_REV_TYPE_53002:
case IWN_HW_REV_TYPE_53503:
sc->limits = &iwn5000_sensitivity_limits;
sc->fwname = "iwn-5000";
break;
case IWN_HW_REV_TYPE_10006:
sc->limits = &iwn1000_sensitivity_limits;
sc->fwname = "iwn-1000";
break;
case IWN_HW_REV_TYPE_60007:
sc->limits = &iwn6000_sensitivity_limits;
sc->fwname = "iwn-6000";
if (pid == PCI_PRODUCT_INTEL_WL_6200_10x422c ||
    pid == PCI_PRODUCT_INTEL_WL_6200_20x4239) {
	sc->sc_flags |= IWN_FLAG_INTERNAL_PA(1 << 4);
	/* Override chains masks, ROM is known to be broken. */
	sc->txchainmask = IWN_ANT_BC((1 << 1) | (1 << 2));
	sc->rxchainmask = IWN_ANT_BC((1 << 1) | (1 << 2));
}
break;
case IWN_HW_REV_TYPE_60508:
sc->limits = &iwn6000_sensitivity_limits;
sc->fwname = "iwn-6050";
break;
case IWN_HW_REV_TYPE_600511:
sc->limits = &iwn6000_sensitivity_limits;
if (pid != PCI_PRODUCT_INTEL_WL_6005_10x0082 &&
    pid != PCI_PRODUCT_INTEL_WL_6005_20x0085) {
	sc->fwname = "iwn-6030";
	sc->sc_flags |= IWN_FLAG_ADV_BT_COEX(1 << 8);
} else
	sc->fwname = "iwn-6005";
break;
case IWN_HW_REV_TYPE_203012:
sc->limits = &iwn2000_sensitivity_limits;
sc->fwname = "iwn-2030";
sc->sc_flags |= IWN_FLAG_ADV_BT_COEX(1 << 8);
break;
case IWN_HW_REV_TYPE_200016:
sc->limits = &iwn2000_sensitivity_limits;
sc->fwname = "iwn-2000";
break;
case IWN_HW_REV_TYPE_13518:
sc->limits = &iwn2000_sensitivity_limits;
sc->fwname = "iwn-135";
sc->sc_flags |= IWN_FLAG_ADV_BT_COEX(1 << 8);
break;
case IWN_HW_REV_TYPE_10517:
sc->limits = &iwn2000_sensitivity_limits;
sc->fwname = "iwn-105";
break;
default:
printf(": adapter type %d not supported\n", sc->hw_type);
return ENOTSUP91;
}
return 0;
726}

728#if NBPFILTER1 > 0
729/*
* Attach the interface to 802.11 radiotap.
*/
732void
733iwn_radiotap_attach(struct iwn_softc *sc)
734{
bpfattach(&sc->sc_drvbpf, &sc->sc_ic.ic_ific_ac.ac_if, DLT_IEEE802_11_RADIO127,
   sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN64);

sc->sc_rxtap_len = sizeof sc->sc_rxtapu;
sc->sc_rxtapsc_rxtapu.th.wr_ihdr.it_len = htole16(sc->sc_rxtap_len)((__uint16_t)(sc->sc_rxtap_len));
sc->sc_rxtapsc_rxtapu.th.wr_ihdr.it_present = htole32(IWN_RX_RADIOTAP_PRESENT)((__uint32_t)(((1 << IEEE80211_RADIOTAP_TSFT) | (1 <<
 IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE
) | (1 << IEEE80211_RADIOTAP_CHANNEL) | (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL
) | (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))));

sc->sc_txtap_len = sizeof sc->sc_txtapu;
sc->sc_txtapsc_txtapu.th.wt_ihdr.it_len = htole16(sc->sc_txtap_len)((__uint16_t)(sc->sc_txtap_len));
sc->sc_txtapsc_txtapu.th.wt_ihdr.it_present = htole32(IWN_TX_RADIOTAP_PRESENT)((__uint32_t)(((1 << IEEE80211_RADIOTAP_FLAGS) | (1 <<
 IEEE80211_RADIOTAP_RATE) | (1 << IEEE80211_RADIOTAP_CHANNEL
))));
745}
746#endif

748int
749iwn_detach(struct device *self, int flags)
750{
struct iwn_softc *sc = (struct iwn_softc *)self;
struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if;
int qid;

timeout_del(&sc->calib_to);
task_del(systq, &sc->init_task);

/* Uninstall interrupt handler. */
if (sc->sc_ih != NULL((void *)0))
pci_intr_disestablish(sc->sc_pct, sc->sc_ih);

/* Free DMA resources. */
iwn_free_rx_ring(sc, &sc->rxq);
for (qid = 0; qid < sc->ntxqs; qid++)
iwn_free_tx_ring(sc, &sc->txq[qid]);
iwn_free_sched(sc);
iwn_free_kw(sc);
if (sc->ict != NULL((void *)0))
iwn_free_ict(sc);
iwn_free_fwmem(sc);

bus_space_unmap(sc->sc_st, sc->sc_sh, sc->sc_sz);

ieee80211_ifdetach(ifp);
if_detach(ifp);

return 0;
778}

780int
781iwn_activate(struct device *self, int act)
782{
struct iwn_softc *sc = (struct iwn_softc *)self;
struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if;

switch (act) {
case DVACT_SUSPEND3:
if (ifp->if_flags & IFF_RUNNING0x40)
	iwn_stop(ifp);
break;
case DVACT_WAKEUP5:
iwn_wakeup(sc);
break;
}

return 0;
797}

799void
800iwn_wakeup(struct iwn_softc *sc)
801{
pcireg_t reg;

/* Clear device-specific "PCI retry timeout" register (41h). */
reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag, 0x40);
if (reg & 0xff00)
pci_conf_write(sc->sc_pct, sc->sc_pcitag, 0x40, reg & ~0xff00);
iwn_init_task(sc);
809}

811void
812iwn_init_task(void *arg1)
813{
struct iwn_softc *sc = arg1;
struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if;
int s;

rw_enter_write(&sc->sc_rwlock);
s = splnet()splraise(0x7);

if ((ifp->if_flags & (IFF_UP0x1 | IFF_RUNNING0x40)) == IFF_UP0x1)
iwn_init(ifp);

splx(s)spllower(s);
rw_exit_write(&sc->sc_rwlock);
826}

828int
829iwn_nic_lock(struct iwn_softc *sc)
830{
int ntries;

/* Request exclusive access to NIC. */
IWN_SETBITS(sc, IWN_GP_CNTRL, IWN_GP_CNTRL_MAC_ACCESS_REQ)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x024)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) | (
(1 << 3))))));

/* Spin until we actually get the lock. */
for (ntries = 0; ntries < 1000; ntries++) {
if ((IWN_READ(sc, IWN_GP_CNTRL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) &
     (IWN_GP_CNTRL_MAC_ACCESS_ENA(1 << 0) | IWN_GP_CNTRL_SLEEP(1 << 4))) ==
    IWN_GP_CNTRL_MAC_ACCESS_ENA(1 << 0))
	return 0;
DELAY(10)(*delay_func)(10);
}
return ETIMEDOUT60;
845}

847static __inline void
848iwn_nic_unlock(struct iwn_softc *sc)
849{
IWN_CLRBITS(sc, IWN_GP_CNTRL, IWN_GP_CNTRL_MAC_ACCESS_REQ)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x024)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) &
 ~((1 << 3))))));
851}

853static __inline uint32_t
854iwn_prph_read(struct iwn_softc *sc, uint32_t addr)
855{
IWN_WRITE(sc, IWN_PRPH_RADDR, IWN_PRPH_DWORD | addr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x448)), ((
((sizeof (uint32_t) - 1) << 24) | addr))));
IWN_BARRIER_READ_WRITE(sc)bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->
sc_sz, 0x01 | 0x02);
return IWN_READ(sc, IWN_PRPH_RDATA)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x450))));
859}

861static __inline void
862iwn_prph_write(struct iwn_softc *sc, uint32_t addr, uint32_t data)
863{
IWN_WRITE(sc, IWN_PRPH_WADDR, IWN_PRPH_DWORD | addr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x444)), ((
((sizeof (uint32_t) - 1) << 24) | addr))));
IWN_BARRIER_WRITE(sc)bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->
sc_sz, 0x02);
IWN_WRITE(sc, IWN_PRPH_WDATA, data)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x44c)), ((
data))));
867}

869static __inline void
870iwn_prph_setbits(struct iwn_softc *sc, uint32_t addr, uint32_t mask)
871{
iwn_prph_write(sc, addr, iwn_prph_read(sc, addr) | mask);
873}

875static __inline void
876iwn_prph_clrbits(struct iwn_softc *sc, uint32_t addr, uint32_t mask)
877{
iwn_prph_write(sc, addr, iwn_prph_read(sc, addr) & ~mask);
879}

881static __inline void
882iwn_prph_write_region_4(struct iwn_softc *sc, uint32_t addr,
  const uint32_t *data, int count)
884{
for (; count > 0; count--, data++, addr += 4)
iwn_prph_write(sc, addr, *data);
887}

889static __inline uint32_t
890iwn_mem_read(struct iwn_softc *sc, uint32_t addr)
891{
IWN_WRITE(sc, IWN_MEM_RADDR, addr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x40c)), ((
addr))));
IWN_BARRIER_READ_WRITE(sc)bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->
sc_sz, 0x01 | 0x02);
return IWN_READ(sc, IWN_MEM_RDATA)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x41c))));
895}

897static __inline void
898iwn_mem_write(struct iwn_softc *sc, uint32_t addr, uint32_t data)
899{
IWN_WRITE(sc, IWN_MEM_WADDR, addr)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x410)), ((
addr))));
IWN_BARRIER_WRITE(sc)bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->
sc_sz, 0x02);
IWN_WRITE(sc, IWN_MEM_WDATA, data)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x418)), ((
data))));
903}

905static __inline void
906iwn_mem_write_2(struct iwn_softc *sc, uint32_t addr, uint16_t data)
907{
uint32_t tmp;

tmp = iwn_mem_read(sc, addr & ~3);
if (addr & 3)
tmp = (tmp & 0x0000ffff) | data << 16;
else
tmp = (tmp & 0xffff0000) | data;
iwn_mem_write(sc, addr & ~3, tmp);
916}

918static __inline void
919iwn_mem_read_region_4(struct iwn_softc *sc, uint32_t addr, uint32_t *data,
  int count)
921{
for (; count > 0; count--, addr += 4)
*data++ = iwn_mem_read(sc, addr);
924}

926static __inline void
927iwn_mem_set_region_4(struct iwn_softc *sc, uint32_t addr, uint32_t val,
  int count)
929{
for (; count > 0; count--, addr += 4)
iwn_mem_write(sc, addr, val);
932}

934int
935iwn_eeprom_lock(struct iwn_softc *sc)
936{
int i, ntries;

for (i = 0; i < 100; i++) {
/* Request exclusive access to EEPROM. */
IWN_SETBITS(sc, IWN_HW_IF_CONFIG,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 21))))))
    IWN_HW_IF_CONFIG_EEPROM_LOCKED)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 21))))));

/* Spin until we actually get the lock. */
for (ntries = 0; ntries < 100; ntries++) {
	if (IWN_READ(sc, IWN_HW_IF_CONFIG)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) &
	    IWN_HW_IF_CONFIG_EEPROM_LOCKED(1 << 21))
		return 0;
	DELAY(10)(*delay_func)(10);
}
}
return ETIMEDOUT60;
953}

955static __inline void
956iwn_eeprom_unlock(struct iwn_softc *sc)
957{
IWN_CLRBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_EEPROM_LOCKED)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) &
 ~((1 << 21))))));
959}

961/*
* Initialize access by host to One Time Programmable ROM.
* NB: This kind of ROM can be found on 1000 or 6000 Series only.
*/
965int
966iwn_init_otprom(struct iwn_softc *sc)
967{
uint16_t prev, base, next;
int count, error;

/* Wait for clock stabilization before accessing prph. */
if ((error = iwn_clock_wait(sc)) != 0)
return error;

if ((error = iwn_nic_lock(sc)) != 0)
return error;
iwn_prph_setbits(sc, IWN_APMG_PS0x300c, IWN_APMG_PS_RESET_REQ(1 << 26));
DELAY(5)(*delay_func)(5);
iwn_prph_clrbits(sc, IWN_APMG_PS0x300c, IWN_APMG_PS_RESET_REQ(1 << 26));
iwn_nic_unlock(sc);

/* Set auto clock gate disable bit for HW with OTP shadow RAM. */
if (sc->hw_type != IWN_HW_REV_TYPE_10006) {
IWN_SETBITS(sc, IWN_DBG_LINK_PWR_MGMT,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x250)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x250)))) | (
(1U << 31))))))
    IWN_RESET_LINK_PWR_MGMT_DIS)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x250)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x250)))) | (
(1U << 31))))));
}
IWN_CLRBITS(sc, IWN_EEPROM_GP, IWN_EEPROM_GP_IF_OWNER)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x030)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x030)))) &
 ~(0x00000180)))));
/* Clear ECC status. */
IWN_SETBITS(sc, IWN_OTP_GP,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x034)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x034)))) | (
(1 << 20) | (1 << 21))))))
   IWN_OTP_GP_ECC_CORR_STTS | IWN_OTP_GP_ECC_UNCORR_STTS)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x034)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x034)))) | (
(1 << 20) | (1 << 21))))));

/*
* Find the block before last block (contains the EEPROM image)
* for HW without OTP shadow RAM.
*/
if (sc->hw_type == IWN_HW_REV_TYPE_10006) {
/* Switch to absolute addressing mode. */
IWN_CLRBITS(sc, IWN_OTP_GP, IWN_OTP_GP_RELATIVE_ACCESS)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x034)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x034)))) &
 ~((1 << 17))))));
base = 0;
for (count = 0; count < IWN1000_OTP_NBLOCKS3; count++) {
	error = iwn_read_prom_data(sc, base, &next, 2);
	if (error != 0)
		return error;
	if (next == 0)	/* End of linked-list. */
		break;
	prev = base;
	base = letoh16(next)((__uint16_t)(next));
}
if (count == 0 || count == IWN1000_OTP_NBLOCKS3)
	return EIO5;
/* Skip "next" word. */
sc->prom_base = prev + 1;
}
return 0;
1015}

1017int
1018iwn_read_prom_data(struct iwn_softc *sc, uint32_t addr, void *data, int count)
1019{
uint8_t *out = data;
uint32_t val, tmp;
int ntries;

addr += sc->prom_base;
for (; count > 0; count -= 2, addr++) {
4
←
Assuming 'count' is > 0→
5
←
Loop condition is true.  Entering loop body→
14
←
Loop condition is false. Execution continues on line 1056→
IWN_WRITE(sc, IWN_EEPROM, addr << 2)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x02c)), ((
addr << 2))));
for (ntries = 0; ntries < 10; ntries++) {
6
←
Loop condition is true.  Entering loop body→
	val = IWN_READ(sc, IWN_EEPROM)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x02c))));
	if (val & IWN_EEPROM_READ_VALID(1 << 0))
7
←
Assuming the condition is true→
8
←
Taking true branch→
		break;
9
←
 Execution continues on line 1033→
	DELAY(5)(*delay_func)(5);
}
if (ntries9.1
'ntries' is not equal to 10
 == 10) {
10
←
Taking false branch→
	printf("%s: timeout reading ROM at 0x%x\n",
	    sc->sc_dev.dv_xname, addr);
	return ETIMEDOUT60;
}
if (sc->sc_flags & IWN_FLAG_HAS_OTPROM(1 << 1)) {
11
←
Taking false branch→
	/* OTPROM, check for ECC errors. */
	tmp = IWN_READ(sc, IWN_OTP_GP)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x034))));
	if (tmp & IWN_OTP_GP_ECC_UNCORR_STTS(1 << 21)) {
		printf("%s: OTPROM ECC error at 0x%x\n",
		    sc->sc_dev.dv_xname, addr);
		return EIO5;
	}
	if (tmp & IWN_OTP_GP_ECC_CORR_STTS(1 << 20)) {
		/* Correctable ECC error, clear bit. */
		IWN_SETBITS(sc, IWN_OTP_GP,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x034)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x034)))) | (
(1 << 20))))))
		    IWN_OTP_GP_ECC_CORR_STTS)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x034)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x034)))) | (
(1 << 20))))));
	}
}
*out++ = val >> 16;
if (count > 1)
12
←
Assuming 'count' is <= 1→
13
←
Taking false branch→
	*out++ = val >> 24;
}
return 0;
15
←
Returning without writing to 'data->maxpwr'→
1057}

1059int
1060iwn_dma_contig_alloc(bus_dma_tag_t tag, struct iwn_dma_info *dma, void **kvap,
  bus_size_t size, bus_size_t alignment)
1062{
int nsegs, error;

dma->tag = tag;
dma->size = size;

error = bus_dmamap_create(tag, size, 1, size, 0, BUS_DMA_NOWAIT,(*(tag)->_dmamap_create)((tag), (size), (1), (size), (0), (
0x0001), (&dma->map))
   &dma->map)(*(tag)->_dmamap_create)((tag), (size), (1), (size), (0), (
0x0001), (&dma->map));
if (error != 0)
goto fail;

error = bus_dmamem_alloc(tag, size, alignment, 0, &dma->seg, 1, &nsegs,(*(tag)->_dmamem_alloc)((tag), (size), (alignment), (0), (
&dma->seg), (1), (&nsegs), (0x0001 | 0x1000))
   BUS_DMA_NOWAIT | BUS_DMA_ZERO)(*(tag)->_dmamem_alloc)((tag), (size), (alignment), (0), (
&dma->seg), (1), (&nsegs), (0x0001 | 0x1000));
if (error != 0)
goto fail;

error = bus_dmamem_map(tag, &dma->seg, 1, size, &dma->vaddr,(*(tag)->_dmamem_map)((tag), (&dma->seg), (1), (size
), (&dma->vaddr), (0x0001 | 0x0004))
   BUS_DMA_NOWAIT | BUS_DMA_COHERENT)(*(tag)->_dmamem_map)((tag), (&dma->seg), (1), (size
), (&dma->vaddr), (0x0001 | 0x0004));
if (error != 0)
goto fail;

error = bus_dmamap_load_raw(tag, dma->map, &dma->seg, 1, size,(*(tag)->_dmamap_load_raw)((tag), (dma->map), (&dma
->seg), (1), (size), (0x0001))
   BUS_DMA_NOWAIT)(*(tag)->_dmamap_load_raw)((tag), (dma->map), (&dma
->seg), (1), (size), (0x0001));
if (error != 0)
goto fail;

bus_dmamap_sync(tag, dma->map, 0, size, BUS_DMASYNC_PREWRITE)(*(tag)->_dmamap_sync)((tag), (dma->map), (0), (size), (
0x04));

dma->paddr = dma->map->dm_segs[0].ds_addr;
if (kvap != NULL((void *)0))
*kvap = dma->vaddr;

return 0;

1096fail:	iwn_dma_contig_free(dma);
return error;
1098}

1100void
1101iwn_dma_contig_free(struct iwn_dma_info *dma)
1102{
if (dma->map != NULL((void *)0)) {
if (dma->vaddr != NULL((void *)0)) {
	bus_dmamap_sync(dma->tag, dma->map, 0, dma->size,(*(dma->tag)->_dmamap_sync)((dma->tag), (dma->map
), (0), (dma->size), (0x02 | 0x08))
	    BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE)(*(dma->tag)->_dmamap_sync)((dma->tag), (dma->map
), (0), (dma->size), (0x02 | 0x08));
	bus_dmamap_unload(dma->tag, dma->map)(*(dma->tag)->_dmamap_unload)((dma->tag), (dma->map
));
	bus_dmamem_unmap(dma->tag, dma->vaddr, dma->size)(*(dma->tag)->_dmamem_unmap)((dma->tag), (dma->vaddr
), (dma->size));
	bus_dmamem_free(dma->tag, &dma->seg, 1)(*(dma->tag)->_dmamem_free)((dma->tag), (&dma->
seg), (1));
	dma->vaddr = NULL((void *)0);
}
bus_dmamap_destroy(dma->tag, dma->map)(*(dma->tag)->_dmamap_destroy)((dma->tag), (dma->
map));
dma->map = NULL((void *)0);
}
1115}

1117int
1118iwn_alloc_sched(struct iwn_softc *sc)
1119{
/* TX scheduler rings must be aligned on a 1KB boundary. */
return iwn_dma_contig_alloc(sc->sc_dmat, &sc->sched_dma,
   (void **)&sc->sched, sc->schedsz, 1024);
1123}

1125void
1126iwn_free_sched(struct iwn_softc *sc)
1127{
iwn_dma_contig_free(&sc->sched_dma);
1129}

1131int
1132iwn_alloc_kw(struct iwn_softc *sc)
1133{
/* "Keep Warm" page must be aligned on a 4KB boundary. */
return iwn_dma_contig_alloc(sc->sc_dmat, &sc->kw_dma, NULL((void *)0), 4096,
   4096);
1137}

1139void
1140iwn_free_kw(struct iwn_softc *sc)
1141{
iwn_dma_contig_free(&sc->kw_dma);
1143}

1145int
1146iwn_alloc_ict(struct iwn_softc *sc)
1147{
/* ICT table must be aligned on a 4KB boundary. */
return iwn_dma_contig_alloc(sc->sc_dmat, &sc->ict_dma,
   (void **)&sc->ict, IWN_ICT_SIZE4096, 4096);
1151}

1153void
1154iwn_free_ict(struct iwn_softc *sc)
1155{
iwn_dma_contig_free(&sc->ict_dma);
1157}

1159int
1160iwn_alloc_fwmem(struct iwn_softc *sc)
1161{
/* Must be aligned on a 16-byte boundary. */
return iwn_dma_contig_alloc(sc->sc_dmat, &sc->fw_dma, NULL((void *)0),
   sc->fwsz, 16);
1165}

1167void
1168iwn_free_fwmem(struct iwn_softc *sc)
1169{
iwn_dma_contig_free(&sc->fw_dma);
1171}

1173int
1174iwn_alloc_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
1175{
bus_size_t size;
int i, error;

ring->cur = 0;

/* Allocate RX descriptors (256-byte aligned). */
size = IWN_RX_RING_COUNT(1 << 6) * sizeof (uint32_t);
error = iwn_dma_contig_alloc(sc->sc_dmat, &ring->desc_dma,
   (void **)&ring->desc, size, 256);
if (error != 0) {
printf("%s: could not allocate RX ring DMA memory\n",
    sc->sc_dev.dv_xname);
goto fail;
}

/* Allocate RX status area (16-byte aligned). */
error = iwn_dma_contig_alloc(sc->sc_dmat, &ring->stat_dma,
   (void **)&ring->stat, sizeof (struct iwn_rx_status), 16);
if (error != 0) {
printf("%s: could not allocate RX status DMA memory\n",
    sc->sc_dev.dv_xname);
goto fail;
}

/*
* Allocate and map RX buffers.
*/
for (i = 0; i < IWN_RX_RING_COUNT(1 << 6); i++) {
struct iwn_rx_data *data = &ring->data[i];

error = bus_dmamap_create(sc->sc_dmat, IWN_RBUF_SIZE, 1,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((4 *
 1024)), (1), ((4 * 1024)), (0), (0x0001 | 0x0002), (&data
->map))
    IWN_RBUF_SIZE, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((4 *
 1024)), (1), ((4 * 1024)), (0), (0x0001 | 0x0002), (&data
->map))
    &data->map)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((4 *
 1024)), (1), ((4 * 1024)), (0), (0x0001 | 0x0002), (&data
->map));
if (error != 0) {
	printf("%s: could not create RX buf DMA map\n",
	    sc->sc_dev.dv_xname);
	goto fail;
}

data->m = MCLGETL(NULL, M_DONTWAIT, IWN_RBUF_SIZE)m_clget((((void *)0)), (0x0002), ((4 * 1024)));
if (data->m == NULL((void *)0)) {
	printf("%s: could not allocate RX mbuf\n",
	    sc->sc_dev.dv_xname);
	error = ENOBUFS55;
	goto fail;
}

error = bus_dmamap_load(sc->sc_dmat, data->map,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (((void *)((data->m)->m_hdr.mh_data))), ((4 * 1024
)), (((void *)0)), (0x0001 | 0x0200))
    mtod(data->m, void *), IWN_RBUF_SIZE, NULL,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (((void *)((data->m)->m_hdr.mh_data))), ((4 * 1024
)), (((void *)0)), (0x0001 | 0x0200))
    BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (((void *)((data->m)->m_hdr.mh_data))), ((4 * 1024
)), (((void *)0)), (0x0001 | 0x0200));
if (error != 0) {
	printf("%s: can't map mbuf (error %d)\n",
	    sc->sc_dev.dv_xname, error);
	goto fail;
}

/* Set physical address of RX buffer (256-byte aligned). */
ring->desc[i] = htole32(data->map->dm_segs[0].ds_addr >> 8)((__uint32_t)(data->map->dm_segs[0].ds_addr >> 8)
);
}

bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map, 0, size,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (0), (size), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (0), (size), (0x04));

return 0;

1241fail:	iwn_free_rx_ring(sc, ring);
return error;
1243}

1245void
1246iwn_reset_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
1247{
int ntries;

if (iwn_nic_lock(sc) == 0) {
IWN_WRITE(sc, IWN_FH_RX_CONFIG, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
(0))));
for (ntries = 0; ntries < 1000; ntries++) {
	if (IWN_READ(sc, IWN_FH_RX_STATUS)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x1c44)))) &
	    IWN_FH_RX_STATUS_IDLE(1 << 24))
		break;
	DELAY(10)(*delay_func)(10);
}
iwn_nic_unlock(sc);
}
ring->cur = 0;
sc->last_rx_valid = 0;
1262}

1264void
1265iwn_free_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
1266{
int i;

iwn_dma_contig_free(&ring->desc_dma);
iwn_dma_contig_free(&ring->stat_dma);

for (i = 0; i < IWN_RX_RING_COUNT(1 << 6); i++) {
struct iwn_rx_data *data = &ring->data[i];

if (data->m != NULL((void *)0)) {
	bus_dmamap_sync(sc->sc_dmat, data->map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x02))
	    data->map->dm_mapsize, BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x02));
	bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data
->map));
	m_freem(data->m);
}
if (data->map != NULL((void *)0))
	bus_dmamap_destroy(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (data
->map));
}
1284}

1286int
1287iwn_alloc_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring, int qid)
1288{
bus_addr_t paddr;
bus_size_t size;
int i, error;

ring->qid = qid;
ring->queued = 0;
ring->cur = 0;

/* Allocate TX descriptors (256-byte aligned). */
size = IWN_TX_RING_COUNT256 * sizeof (struct iwn_tx_desc);
error = iwn_dma_contig_alloc(sc->sc_dmat, &ring->desc_dma,
   (void **)&ring->desc, size, 256);
if (error != 0) {
printf("%s: could not allocate TX ring DMA memory\n",
    sc->sc_dev.dv_xname);
goto fail;
}

size = IWN_TX_RING_COUNT256 * sizeof (struct iwn_tx_cmd);
error = iwn_dma_contig_alloc(sc->sc_dmat, &ring->cmd_dma,
   (void **)&ring->cmd, size, 4);
if (error != 0) {
printf("%s: could not allocate TX cmd DMA memory\n",
    sc->sc_dev.dv_xname);
goto fail;
}

paddr = ring->cmd_dma.paddr;
for (i = 0; i < IWN_TX_RING_COUNT256; i++) {
struct iwn_tx_data *data = &ring->data[i];

data->cmd_paddr = paddr;
data->scratch_paddr = paddr + 12;
paddr += sizeof (struct iwn_tx_cmd);

error = bus_dmamap_create(sc->sc_dmat, MCLBYTES,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((1 <<
 11)), (20 - 1), ((1 << 11)), (0), (0x0001), (&data
->map))
    IWN_MAX_SCATTER - 1, MCLBYTES, 0, BUS_DMA_NOWAIT,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((1 <<
 11)), (20 - 1), ((1 << 11)), (0), (0x0001), (&data
->map))
    &data->map)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((1 <<
 11)), (20 - 1), ((1 << 11)), (0), (0x0001), (&data
->map));
if (error != 0) {
	printf("%s: could not create TX buf DMA map\n",
	    sc->sc_dev.dv_xname);
	goto fail;
}
}
return 0;

1335fail:	iwn_free_tx_ring(sc, ring);
return error;
1337}

1339void
1340iwn_reset_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring)
1341{
int i;

for (i = 0; i < IWN_TX_RING_COUNT256; i++) {
struct iwn_tx_data *data = &ring->data[i];

if (data->m != NULL((void *)0)) {
	bus_dmamap_sync(sc->sc_dmat, data->map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x08))
	    data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x08));
	bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data
->map));
	m_freem(data->m);
	data->m = NULL((void *)0);
}
}
/* Clear TX descriptors. */
memset(ring->desc, 0, ring->desc_dma.size)__builtin_memset((ring->desc), (0), (ring->desc_dma.size
));
bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (0), (ring->desc_dma.size), (0x04))
   ring->desc_dma.size, BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (0), (ring->desc_dma.size), (0x04));
sc->qfullmsk &= ~(1 << ring->qid);
ring->queued = 0;
ring->cur = 0;
1362}

1364void
1365iwn_free_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring)
1366{
int i;

iwn_dma_contig_free(&ring->desc_dma);
iwn_dma_contig_free(&ring->cmd_dma);

for (i = 0; i < IWN_TX_RING_COUNT256; i++) {
struct iwn_tx_data *data = &ring->data[i];

if (data->m != NULL((void *)0)) {
	bus_dmamap_sync(sc->sc_dmat, data->map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x08))
	    data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x08));
	bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data
->map));
	m_freem(data->m);
}
if (data->map != NULL((void *)0))
	bus_dmamap_destroy(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (data
->map));
}
1384}

1386void
1387iwn5000_ict_reset(struct iwn_softc *sc)
1388{
/* Disable interrupts. */
IWN_WRITE(sc, IWN_INT_MASK, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), ((
0))));

/* Reset ICT table. */
memset(sc->ict, 0, IWN_ICT_SIZE)__builtin_memset((sc->ict), (0), (4096));
sc->ict_cur = 0;

/* Set physical address of ICT table (4KB aligned). */
DPRINTF(("enabling ICT\n"));
IWN_WRITE(sc, IWN_DRAM_INT_TBL, IWN_DRAM_INT_TBL_ENABLE |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x0a0)), ((
(1U << 31) | (1U << 27) | sc->ict_dma.paddr >>
 12))))
   IWN_DRAM_INT_TBL_WRAP_CHECK | sc->ict_dma.paddr >> 12)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x0a0)), ((
(1U << 31) | (1U << 27) | sc->ict_dma.paddr >>
 12))));

/* Enable periodic RX interrupt. */
sc->int_mask |= IWN_INT_RX_PERIODIC(1U << 28);
/* Switch to ICT interrupt mode in driver. */
sc->sc_flags |= IWN_FLAG_USE_ICT(1 << 3);

/* Re-enable interrupts. */
IWN_WRITE(sc, IWN_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), ((
0xffffffff))));
IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), ((
sc->int_mask))));
1409}

1411int
1412iwn_read_eeprom(struct iwn_softc *sc)
1413{
struct iwn_ops *ops = &sc->ops;
struct ieee80211com *ic = &sc->sc_ic;
uint16_t val;
int error;

/* Check whether adapter has an EEPROM or an OTPROM. */
if (sc->hw_type >= IWN_HW_REV_TYPE_10006 &&
   (IWN_READ(sc, IWN_OTP_GP)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x034)))) & IWN_OTP_GP_DEV_SEL_OTP(1 << 16)))
sc->sc_flags |= IWN_FLAG_HAS_OTPROM(1 << 1);
DPRINTF(("%s found\n", (sc->sc_flags & IWN_FLAG_HAS_OTPROM) ?
   "OTPROM" : "EEPROM"));

/* Adapter has to be powered on for EEPROM access to work. */
if ((error = iwn_apm_init(sc)) != 0) {
printf("%s: could not power ON adapter\n",
    sc->sc_dev.dv_xname);
return error;
}

if ((IWN_READ(sc, IWN_EEPROM_GP)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x030)))) & 0x7) == 0) {
printf("%s: bad ROM signature\n", sc->sc_dev.dv_xname);
return EIO5;
}
if ((error = iwn_eeprom_lock(sc)) != 0) {
printf("%s: could not lock ROM (error=%d)\n",
    sc->sc_dev.dv_xname, error);
return error;
}
if (sc->sc_flags & IWN_FLAG_HAS_OTPROM(1 << 1)) {
if ((error = iwn_init_otprom(sc)) != 0) {
	printf("%s: could not initialize OTPROM\n",
	    sc->sc_dev.dv_xname);
	return error;
}
}

iwn_read_prom_data(sc, IWN_EEPROM_SKU_CAP0x045, &val, 2);
DPRINTF(("SKU capabilities=0x%04x\n", letoh16(val)));
/* Check if HT support is bonded out. */
if (val & htole16(IWN_EEPROM_SKU_CAP_11N)((__uint16_t)((1 << 6))))
sc->sc_flags |= IWN_FLAG_HAS_11N(1 << 6);

iwn_read_prom_data(sc, IWN_EEPROM_RFCFG0x048, &val, 2);
sc->rfcfg = letoh16(val)((__uint16_t)(val));
DPRINTF(("radio config=0x%04x\n", sc->rfcfg));
/* Read Tx/Rx chains from ROM unless it's known to be broken. */
if (sc->txchainmask == 0)
sc->txchainmask = IWN_RFCFG_TXANTMSK(sc->rfcfg)(((sc->rfcfg) >> 8) & 0xf);
if (sc->rxchainmask == 0)
sc->rxchainmask = IWN_RFCFG_RXANTMSK(sc->rfcfg)(((sc->rfcfg) >> 12) & 0xf);

/* Read MAC address. */
iwn_read_prom_data(sc, IWN_EEPROM_MAC0x015, ic->ic_myaddr, 6);

/* Read adapter-specific information from EEPROM. */
ops->read_eeprom(sc);

iwn_apm_stop(sc);	/* Power OFF adapter. */

iwn_eeprom_unlock(sc);
return 0;
1475}

1477void
1478iwn4965_read_eeprom(struct iwn_softc *sc)
1479{
uint32_t addr;
uint16_t val;
int i;

/* Read regulatory domain (4 ASCII characters). */
iwn_read_prom_data(sc, IWN4965_EEPROM_DOMAIN0x060, sc->eeprom_domain, 4);

/* Read the list of authorized channels. */
for (i = 0; i < 7; i++) {
addr = iwn4965_regulatory_bands[i];
iwn_read_eeprom_channels(sc, i, addr);
}

/* Read maximum allowed TX power for 2GHz and 5GHz bands. */
iwn_read_prom_data(sc, IWN4965_EEPROM_MAXPOW0x0e8, &val, 2);
sc->maxpwr2GHz = val & 0xff;
sc->maxpwr5GHz = val >> 8;
/* Check that EEPROM values are within valid range. */
if (sc->maxpwr5GHz < 20 || sc->maxpwr5GHz > 50)
sc->maxpwr5GHz = 38;
if (sc->maxpwr2GHz < 20 || sc->maxpwr2GHz > 50)
sc->maxpwr2GHz = 38;
DPRINTF(("maxpwr 2GHz=%d 5GHz=%d\n", sc->maxpwr2GHz, sc->maxpwr5GHz));

/* Read samples for each TX power group. */
iwn_read_prom_data(sc, IWN4965_EEPROM_BANDS0x0ea, sc->bands,
   sizeof sc->bands);

/* Read voltage at which samples were taken. */
iwn_read_prom_data(sc, IWN4965_EEPROM_VOLTAGE0x0e9, &val, 2);
sc->eeprom_voltage = (int16_t)letoh16(val)((__uint16_t)(val));
DPRINTF(("voltage=%d (in 0.3V)\n", sc->eeprom_voltage));

1513#ifdef IWN_DEBUG
/* Print samples. */
if (iwn_debug > 0) {
for (i = 0; i < IWN_NBANDS8; i++)
	iwn4965_print_power_group(sc, i);
}
1519#endif
1520}

1522#ifdef IWN_DEBUG
1523void
1524iwn4965_print_power_group(struct iwn_softc *sc, int i)
1525{
struct iwn4965_eeprom_band *band = &sc->bands[i];
struct iwn4965_eeprom_chan_samples *chans = band->chans;
int j, c;

printf("===band %d===\n", i);
printf("chan lo=%d, chan hi=%d\n", band->lo, band->hi);
printf("chan1 num=%d\n", chans[0].num);
for (c = 0; c < 2; c++) {
for (j = 0; j < IWN_NSAMPLES3; j++) {
	printf("chain %d, sample %d: temp=%d gain=%d "
	    "power=%d pa_det=%d\n", c, j,
	    chans[0].samples[c][j].temp,
	    chans[0].samples[c][j].gain,
	    chans[0].samples[c][j].power,
	    chans[0].samples[c][j].pa_det);
}
}
printf("chan2 num=%d\n", chans[1].num);
for (c = 0; c < 2; c++) {
for (j = 0; j < IWN_NSAMPLES3; j++) {
	printf("chain %d, sample %d: temp=%d gain=%d "
	    "power=%d pa_det=%d\n", c, j,
	    chans[1].samples[c][j].temp,
	    chans[1].samples[c][j].gain,
	    chans[1].samples[c][j].power,
	    chans[1].samples[c][j].pa_det);
}
}
1554}
1555#endif

1557void
1558iwn5000_read_eeprom(struct iwn_softc *sc)
1559{
struct iwn5000_eeprom_calib_hdr hdr;
int32_t volt;
uint32_t base, addr;
uint16_t val;
int i;

/* Read regulatory domain (4 ASCII characters). */
iwn_read_prom_data(sc, IWN5000_EEPROM_REG0x066, &val, 2);
base = letoh16(val)((__uint16_t)(val));
iwn_read_prom_data(sc, base + IWN5000_EEPROM_DOMAIN0x001,
   sc->eeprom_domain, 4);

/* Read the list of authorized channels. */
for (i = 0; i < 7; i++) {
1
Loop condition is true.  Entering loop body→
addr = base + iwn5000_regulatory_bands[i];
iwn_read_eeprom_channels(sc, i, addr);
2
←
Calling 'iwn_read_eeprom_channels'→
}

/* Read enhanced TX power information for 6000 Series. */
if (sc->hw_type >= IWN_HW_REV_TYPE_60007)
iwn_read_eeprom_enhinfo(sc);

iwn_read_prom_data(sc, IWN5000_EEPROM_CAL0x067, &val, 2);
base = letoh16(val)((__uint16_t)(val));
iwn_read_prom_data(sc, base, &hdr, sizeof hdr);
DPRINTF(("calib version=%u pa type=%u voltage=%u\n",
   hdr.version, hdr.pa_type, letoh16(hdr.volt)));
sc->calib_ver = hdr.version;

if (sc->hw_type == IWN_HW_REV_TYPE_203012 ||
   sc->hw_type == IWN_HW_REV_TYPE_200016 ||
   sc->hw_type == IWN_HW_REV_TYPE_13518 ||
   sc->hw_type == IWN_HW_REV_TYPE_10517) {
sc->eeprom_voltage = letoh16(hdr.volt)((__uint16_t)(hdr.volt));
iwn_read_prom_data(sc, base + IWN5000_EEPROM_TEMP0x12a, &val, 2);
sc->eeprom_temp = letoh16(val)((__uint16_t)(val));
iwn_read_prom_data(sc, base + IWN2000_EEPROM_RAWTEMP0x12b, &val, 2);
sc->eeprom_rawtemp = letoh16(val)((__uint16_t)(val));
}

if (sc->hw_type == IWN_HW_REV_TYPE_51504) {
/* Compute temperature offset. */
iwn_read_prom_data(sc, base + IWN5000_EEPROM_TEMP0x12a, &val, 2);
sc->eeprom_temp = letoh16(val)((__uint16_t)(val));
iwn_read_prom_data(sc, base + IWN5000_EEPROM_VOLT0x12b, &val, 2);
volt = letoh16(val)((__uint16_t)(val));
sc->temp_off = sc->eeprom_temp - (volt / -5);
DPRINTF(("temp=%d volt=%d offset=%dK\n",
    sc->eeprom_temp, volt, sc->temp_off));
} else {
/* Read crystal calibration. */
iwn_read_prom_data(sc, base + IWN5000_EEPROM_CRYSTAL0x128,
    &sc->eeprom_crystal, sizeof (uint32_t));
DPRINTF(("crystal calibration 0x%08x\n",
    letoh32(sc->eeprom_crystal)));
}
1616}

1618void
1619iwn_read_eeprom_channels(struct iwn_softc *sc, int n, uint32_t addr)
1620{
struct ieee80211com *ic = &sc->sc_ic;
const struct iwn_chan_band *band = &iwn_bands[n];
struct iwn_eeprom_chan channels[IWN_MAX_CHAN_PER_BAND14];
uint8_t chan;
int i;

iwn_read_prom_data(sc, addr, channels,
3
←
Calling 'iwn_read_prom_data'→
16
←
Returning from 'iwn_read_prom_data'→
   band->nchan * sizeof (struct iwn_eeprom_chan));

for (i = 0; i < band->nchan; i++) {
17
←
Assuming 'i' is < field 'nchan'→
18
←
Loop condition is true.  Entering loop body→
if (!(channels[i].flags & IWN_EEPROM_CHAN_VALID(1 << 0)))
19
←
Assuming the condition is false→
20
←
Taking false branch→
	continue;

chan = band->chan[i];

if (n20.1
'n' is equal to 0
 == 0) {	/* 2GHz band */
21
←
Taking true branch→
	ic->ic_channels[chan].ic_freq =
	    ieee80211_ieee2mhz(chan, IEEE80211_CHAN_2GHZ0x0080);
	ic->ic_channels[chan].ic_flags =
	    IEEE80211_CHAN_CCK0x0020 | IEEE80211_CHAN_OFDM0x0040 |
	    IEEE80211_CHAN_DYN0x0400 | IEEE80211_CHAN_2GHZ0x0080;

} else if (n < 5) {	/* 5GHz band */
	/*
	 * Some adapters support channels 7, 8, 11 and 12
	 * both in the 2GHz and 4.9GHz bands.
	 * Because of limitations in our net80211 layer,
	 * we don't support them in the 4.9GHz band.
	 */
	if (chan <= 14)
		continue;

	ic->ic_channels[chan].ic_freq =
	    ieee80211_ieee2mhz(chan, IEEE80211_CHAN_5GHZ0x0100);
	ic->ic_channels[chan].ic_flags = IEEE80211_CHAN_A(0x0100 | 0x0040);
	/* We have at least one valid 5GHz channel. */
	sc->sc_flags |= IWN_FLAG_HAS_5GHZ(1 << 0);
} else  { /* 40 MHz */
	sc->maxpwr40[chan] = channels[i].maxpwr;
	ic->ic_channels[chan].ic_flags |= IEEE80211_CHAN_40MHZ0x8000;
}

if (n21.1
'n' is < 5
 < 5) {
22
←
Taking true branch→
	/* Is active scan allowed on this channel? */
	if (!(channels[i].flags & IWN_EEPROM_CHAN_ACTIVE(1 << 3))) {
23
←
Assuming the condition is false→
24
←
Taking false branch→
		ic->ic_channels[chan].ic_flags |=
		    IEEE80211_CHAN_PASSIVE0x0200;
	}

	/* Save maximum allowed TX power for this channel. */
	sc->maxpwr[chan] = channels[i].maxpwr;
25
←
Assigned value is garbage or undefined

	if (sc->sc_flags & IWN_FLAG_HAS_11N(1 << 6))
		ic->ic_channels[chan].ic_flags |=
		    IEEE80211_CHAN_HT0x2000;
}

DPRINTF(("adding chan %d flags=0x%x maxpwr=%d maxpwr40=%d\n",
    chan, channels[i].flags, sc->maxpwr[chan],
    sc->maxpwr40[chan]));
}
1682}

1684void
1685iwn_read_eeprom_enhinfo(struct iwn_softc *sc)
1686{
struct iwn_eeprom_enhinfo enhinfo[35];
uint16_t val, base;
int8_t maxpwr;
int i;

iwn_read_prom_data(sc, IWN5000_EEPROM_REG0x066, &val, 2);
base = letoh16(val)((__uint16_t)(val));
iwn_read_prom_data(sc, base + IWN6000_EEPROM_ENHINFO0x054,
   enhinfo, sizeof enhinfo);

memset(sc->enh_maxpwr, 0, sizeof sc->enh_maxpwr)__builtin_memset((sc->enh_maxpwr), (0), (sizeof sc->enh_maxpwr
));
for (i = 0; i < nitems(enhinfo)(sizeof((enhinfo)) / sizeof((enhinfo)[0])); i++) {
if ((enhinfo[i].flags & IWN_TXP_VALID(1 << 0)) == 0)
	continue;	/* Skip invalid entries. */

maxpwr = 0;
if (sc->txchainmask & IWN_ANT_A(1 << 0))
	maxpwr = MAX(maxpwr, enhinfo[i].chain[0])(((maxpwr)>(enhinfo[i].chain[0]))?(maxpwr):(enhinfo[i].chain
[0]));
if (sc->txchainmask & IWN_ANT_B(1 << 1))
	maxpwr = MAX(maxpwr, enhinfo[i].chain[1])(((maxpwr)>(enhinfo[i].chain[1]))?(maxpwr):(enhinfo[i].chain
[1]));
if (sc->txchainmask & IWN_ANT_C(1 << 2))
	maxpwr = MAX(maxpwr, enhinfo[i].chain[2])(((maxpwr)>(enhinfo[i].chain[2]))?(maxpwr):(enhinfo[i].chain
[2]));
if (sc->ntxchains == 2)
	maxpwr = MAX(maxpwr, enhinfo[i].mimo2)(((maxpwr)>(enhinfo[i].mimo2))?(maxpwr):(enhinfo[i].mimo2)
);
else if (sc->ntxchains == 3)
	maxpwr = MAX(maxpwr, enhinfo[i].mimo3)(((maxpwr)>(enhinfo[i].mimo3))?(maxpwr):(enhinfo[i].mimo3)
);
maxpwr /= 2;	/* Convert half-dBm to dBm. */

DPRINTF(("enhinfo %d, maxpwr=%d\n", i, maxpwr));
sc->enh_maxpwr[i] = maxpwr;
}
1718}

1720struct ieee80211_node *
1721iwn_node_alloc(struct ieee80211com *ic)
1722{
return malloc(sizeof (struct iwn_node), M_DEVBUF2, M_NOWAIT0x0002 | M_ZERO0x0008);
1724}

1726void
1727iwn_newassoc(struct ieee80211com *ic, struct ieee80211_node *ni, int isnew)
1728{
struct iwn_softc *sc = ic->ic_ific_ac.ac_if.if_softc;
struct iwn_node *wn = (void *)ni;
uint8_t rate;
int ridx, i;

if ((ni->ni_flags & IEEE80211_NODE_HT0x0400) == 0)
ieee80211_amrr_node_init(&sc->amrr, &wn->amn);

/* Start at lowest available bit-rate, AMRR/MiRA will raise. */
ni->ni_txrate = 0;
ni->ni_txmcs = 0;

for (i = 0; i < ni->ni_rates.rs_nrates; i++) {
rate = ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL0x7f;
/* Map 802.11 rate to HW rate index. */
for (ridx = 0; ridx <= IWN_RIDX_MAX32; ridx++) {
	if (iwn_rates[ridx].plcp != IWN_PLCP_INVALID0xff &&
	    iwn_rates[ridx].rate == rate)
		break;
}
wn->ridx[i] = ridx;
}
1751}

1753int
1754iwn_media_change(struct ifnet *ifp)
1755{
struct iwn_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
uint8_t rate, ridx;
int error;

error = ieee80211_media_change(ifp);
if (error != ENETRESET52)
return error;

if (ic->ic_fixed_mcs != -1)
sc->fixed_ridx = iwn_mcs2ridx[ic->ic_fixed_mcs];
if (ic->ic_fixed_rate != -1) {
rate = ic->ic_sup_rates[ic->ic_curmode].
    rs_rates[ic->ic_fixed_rate] & IEEE80211_RATE_VAL0x7f;
/* Map 802.11 rate to HW rate index. */
for (ridx = 0; ridx <= IWN_RIDX_MAX32; ridx++)
	if (iwn_rates[ridx].plcp != IWN_PLCP_INVALID0xff &&
	    iwn_rates[ridx].rate == rate)
		break;
sc->fixed_ridx = ridx;
}

if ((ifp->if_flags & (IFF_UP0x1 | IFF_RUNNING0x40)) ==
   (IFF_UP0x1 | IFF_RUNNING0x40)) {
iwn_stop(ifp);
error = iwn_init(ifp);
}
return error;
1784}

1786int
1787iwn_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
1788{
struct ifnet *ifp = &ic->ic_ific_ac.ac_if;
struct iwn_softc *sc = ifp->if_softc;
struct ieee80211_node *ni = ic->ic_bss;
int error;

if (ic->ic_state == IEEE80211_S_RUN) {
if (nstate == IEEE80211_S_SCAN) {
	/*
	 * During RUN->SCAN we don't call sc_newstate() so
	 * we must stop A-MPDU Tx ourselves in this case.
	 */
	ieee80211_stop_ampdu_tx(ic, ni, -1);
	ieee80211_ba_del(ni);
}
timeout_del(&sc->calib_to);
sc->calib.state = IWN_CALIB_STATE_INIT0;
if (sc->sc_flags & IWN_FLAG_BGSCAN(1 << 9))
	iwn_scan_abort(sc);
}

if (ic->ic_state == IEEE80211_S_SCAN) {
if (nstate == IEEE80211_S_SCAN) {
	if (sc->sc_flags & IWN_FLAG_SCANNING(1 << 10))
		return 0;
} else
	sc->sc_flags &= ~IWN_FLAG_SCANNING(1 << 10);
/* Turn LED off when leaving scan state. */
iwn_set_led(sc, IWN_LED_LINK2, 1, 0);
}

if (ic->ic_state >= IEEE80211_S_ASSOC &&
   nstate <= IEEE80211_S_ASSOC) {
/* Reset state to handle re- and disassociations. */
sc->rxon.associd = 0;
sc->rxon.filter &= ~htole32(IWN_FILTER_BSS)((__uint32_t)((1 << 5)));
sc->calib.state = IWN_CALIB_STATE_INIT0;
error = iwn_cmd(sc, IWN_CMD_RXON16, &sc->rxon, sc->rxonsz, 1);
if (error != 0)
	printf("%s: RXON command failed\n",
	    sc->sc_dev.dv_xname);
}

switch (nstate) {
case IEEE80211_S_SCAN:
/* Make the link LED blink while we're scanning. */
iwn_set_led(sc, IWN_LED_LINK2, 10, 10);

if ((error = iwn_scan(sc, IEEE80211_CHAN_2GHZ0x0080, 0)) != 0) {
	printf("%s: could not initiate scan\n",
	    sc->sc_dev.dv_xname);
	return error;
}
if (ifp->if_flags & IFF_DEBUG0x4)
	printf("%s: %s -> %s\n", ifp->if_xname,
	    ieee80211_state_name[ic->ic_state],
	    ieee80211_state_name[nstate]);
if ((sc->sc_flags & IWN_FLAG_BGSCAN(1 << 9)) == 0) {
	ieee80211_set_link_state(ic, LINK_STATE_DOWN2);
	ieee80211_node_cleanup(ic, ic->ic_bss);
}
ic->ic_state = nstate;
return 0;

case IEEE80211_S_ASSOC:
if (ic->ic_state != IEEE80211_S_RUN)
	break;
/* FALLTHROUGH */
case IEEE80211_S_AUTH:
if ((error = iwn_auth(sc, arg)) != 0) {
	printf("%s: could not move to auth state\n",
	    sc->sc_dev.dv_xname);
	return error;
}
break;

case IEEE80211_S_RUN:
if ((error = iwn_run(sc)) != 0) {
	printf("%s: could not move to run state\n",
	    sc->sc_dev.dv_xname);
	return error;
}
break;

case IEEE80211_S_INIT:
sc->calib.state = IWN_CALIB_STATE_INIT0;
break;
}

return sc->sc_newstate(ic, nstate, arg);
1878}

1880void
1881iwn_iter_func(void *arg, struct ieee80211_node *ni)
1882{
struct iwn_softc *sc = arg;
struct iwn_node *wn = (void *)ni;

if ((ni->ni_flags & IEEE80211_NODE_HT0x0400) == 0) {
int old_txrate = ni->ni_txrate;
ieee80211_amrr_choose(&sc->amrr, ni, &wn->amn);
if (old_txrate != ni->ni_txrate)
	iwn_set_link_quality(sc, ni);
}
1892}

1894void
1895iwn_calib_timeout(void *arg)
1896{
struct iwn_softc *sc = arg;
struct ieee80211com *ic = &sc->sc_ic;
int s;

s = splnet()splraise(0x7);
if (ic->ic_fixed_rate == -1) {
if (ic->ic_opmode == IEEE80211_M_STA)
	iwn_iter_func(sc, ic->ic_bss);
else
	ieee80211_iterate_nodes(ic, iwn_iter_func, sc);
}
/* Force automatic TX power calibration every 60 secs. */
if (++sc->calib_cnt >= 120) {
uint32_t flags = 0;

DPRINTFN(2, ("sending request for statistics\n"));
(void)iwn_cmd(sc, IWN_CMD_GET_STATISTICS156, &flags,
    sizeof flags, 1);
sc->calib_cnt = 0;
}
splx(s)spllower(s);

/* Automatic rate control triggered every 500ms. */
timeout_add_msec(&sc->calib_to, 500);
1921}

1923int
1924iwn_ccmp_decap(struct iwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
1925{
struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_key *k = &ni->ni_pairwise_key;
struct ieee80211_frame *wh;
uint64_t pn, *prsc;
uint8_t *ivp;
uint8_t tid;
int hdrlen, hasqos;

wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data));
hdrlen = ieee80211_get_hdrlen(wh);
ivp = (uint8_t *)wh + hdrlen;

/* Check that ExtIV bit is set. */
if (!(ivp[3] & IEEE80211_WEP_EXTIV0x20)) {
DPRINTF(("CCMP decap ExtIV not set\n"));
return 1;
}
hasqos = ieee80211_has_qos(wh);
tid = hasqos ? ieee80211_get_qos(wh) & IEEE80211_QOS_TID0x000f : 0;
prsc = &k->k_rsc[tid];

/* Extract the 48-bit PN from the CCMP header. */
pn = (uint64_t)ivp[0]       |
    (uint64_t)ivp[1] <<  8 |
    (uint64_t)ivp[4] << 16 |
    (uint64_t)ivp[5] << 24 |
    (uint64_t)ivp[6] << 32 |
    (uint64_t)ivp[7] << 40;
if (pn <= *prsc) {
DPRINTF(("CCMP replayed\n"));
ic->ic_stats.is_ccmp_replays++;
return 1;
}
/* Last seen packet number is updated in ieee80211_inputm(). */

/* Strip MIC. IV will be stripped by ieee80211_inputm(). */
m_adj(m, -IEEE80211_CCMP_MICLEN8);
return 0;
1964}

1966/*
* Process an RX_PHY firmware notification.  This is usually immediately
* followed by an MPDU_RX_DONE notification.
*/
1970void
1971iwn_rx_phy(struct iwn_softc *sc, struct iwn_rx_desc *desc,
  struct iwn_rx_data *data)
1973{
struct iwn_rx_stat *stat = (struct iwn_rx_stat *)(desc + 1);

DPRINTFN(2, ("received PHY stats\n"));
bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*stat)), (0x02))
   sizeof (*stat), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*stat)), (0x02));

/* Save RX statistics, they will be used on MPDU_RX_DONE. */
memcpy(&sc->last_rx_stat, stat, sizeof (*stat))__builtin_memcpy((&sc->last_rx_stat), (stat), (sizeof (
*stat)));
sc->last_rx_valid = IWN_LAST_RX_VALID0x01;
/*
* The firmware does not send separate RX_PHY
* notifications for A-MPDU subframes.
*/
if (stat->flags & htole16(IWN_STAT_FLAG_AGG)((__uint16_t)((1 << 7))))
sc->last_rx_valid |= IWN_LAST_RX_AMPDU0x02;
1989}

1991/*
* Process an RX_DONE (4965AGN only) or MPDU_RX_DONE firmware notification.
* Each MPDU_RX_DONE notification must be preceded by an RX_PHY one.
*/
1995void
1996iwn_rx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
  struct iwn_rx_data *data, struct mbuf_list *ml)
1998{
struct iwn_ops *ops = &sc->ops;
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = &ic->ic_ific_ac.ac_if;
struct iwn_rx_ring *ring = &sc->rxq;
struct ieee80211_frame *wh;
struct ieee80211_rxinfo rxi;
struct ieee80211_node *ni;
struct ieee80211_channel *bss_chan = NULL((void *)0);
uint8_t saved_bssid[IEEE80211_ADDR_LEN6] = { 0 };
struct mbuf *m, *m1;
struct iwn_rx_stat *stat;
caddr_t head;
uint32_t flags;
int error, len, rssi;
uint16_t chan;

if (desc->type == IWN_MPDU_RX_DONE193) {
/* Check for prior RX_PHY notification. */
if (!sc->last_rx_valid) {
	DPRINTF(("missing RX_PHY\n"));
	return;
}
sc->last_rx_valid &= ~IWN_LAST_RX_VALID0x01;
stat = &sc->last_rx_stat;
if ((sc->last_rx_valid & IWN_LAST_RX_AMPDU0x02) &&
    (stat->flags & htole16(IWN_STAT_FLAG_AGG)((__uint16_t)((1 << 7)))) == 0) {
	DPRINTF(("missing RX_PHY (expecting A-MPDU)\n"));
	return;
}
if ((sc->last_rx_valid & IWN_LAST_RX_AMPDU0x02) == 0 &&
    (stat->flags & htole16(IWN_STAT_FLAG_AGG)((__uint16_t)((1 << 7))))) {
	DPRINTF(("missing RX_PHY (unexpected A-MPDU)\n"));
	return;
}
} else
stat = (struct iwn_rx_stat *)(desc + 1);

bus_dmamap_sync(sc->sc_dmat, data->map, 0, IWN_RBUF_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), ((4 * 1024)), (0x02))
   BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), ((4 * 1024)), (0x02));

if (stat->cfg_phy_len > IWN_STAT_MAXLEN20) {
printf("%s: invalid RX statistic header\n",
    sc->sc_dev.dv_xname);
return;
}
if (desc->type == IWN_MPDU_RX_DONE193) {
struct iwn_rx_mpdu *mpdu = (struct iwn_rx_mpdu *)(desc + 1);
head = (caddr_t)(mpdu + 1);
len = letoh16(mpdu->len)((__uint16_t)(mpdu->len));
} else {
head = (caddr_t)(stat + 1) + stat->cfg_phy_len;
len = letoh16(stat->len)((__uint16_t)(stat->len));
}

flags = letoh32(*(uint32_t *)(head + len))((__uint32_t)(*(uint32_t *)(head + len)));

/* Discard frames with a bad FCS early. */
if ((flags & IWN_RX_NOERROR((1 << 0) | (1 << 1))) != IWN_RX_NOERROR((1 << 0) | (1 << 1))) {
DPRINTFN(2, ("RX flags error %x\n", flags));
ifp->if_ierrorsif_data.ifi_ierrors++;
return;
}
/* Discard frames that are too short. */
if (ic->ic_opmode == IEEE80211_M_MONITOR) {
/* Allow control frames in monitor mode. */
if (len < sizeof (struct ieee80211_frame_cts)) {
	DPRINTF(("frame too short: %d\n", len));
	ic->ic_stats.is_rx_tooshort++;
	ifp->if_ierrorsif_data.ifi_ierrors++;
	return;
}
} else if (len < sizeof (*wh)) {
DPRINTF(("frame too short: %d\n", len));
ic->ic_stats.is_rx_tooshort++;
ifp->if_ierrorsif_data.ifi_ierrors++;
return;
}

m1 = MCLGETL(NULL, M_DONTWAIT, IWN_RBUF_SIZE)m_clget((((void *)0)), (0x0002), ((4 * 1024)));
if (m1 == NULL((void *)0)) {
ic->ic_stats.is_rx_nombuf++;
ifp->if_ierrorsif_data.ifi_ierrors++;
return;
}
bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data
->map));

error = bus_dmamap_load(sc->sc_dmat, data->map, mtod(m1, void *),(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (((void *)((m1)->m_hdr.mh_data))), ((4 * 1024)), (((
void *)0)), (0x0001 | 0x0200))
   IWN_RBUF_SIZE, NULL, BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (((void *)((m1)->m_hdr.mh_data))), ((4 * 1024)), (((
void *)0)), (0x0001 | 0x0200));
if (error != 0) {
m_freem(m1);

/* Try to reload the old mbuf. */
error = bus_dmamap_load(sc->sc_dmat, data->map,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (((void *)((data->m)->m_hdr.mh_data))), ((4 * 1024
)), (((void *)0)), (0x0001 | 0x0200))
    mtod(data->m, void *), IWN_RBUF_SIZE, NULL,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (((void *)((data->m)->m_hdr.mh_data))), ((4 * 1024
)), (((void *)0)), (0x0001 | 0x0200))
    BUS_DMA_NOWAIT | BUS_DMA_READ)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (((void *)((data->m)->m_hdr.mh_data))), ((4 * 1024
)), (((void *)0)), (0x0001 | 0x0200));
if (error != 0) {
	panic("%s: could not load old RX mbuf",
	    sc->sc_dev.dv_xname);
}
/* Physical address may have changed. */
ring->desc[ring->cur] =
    htole32(data->map->dm_segs[0].ds_addr >> 8)((__uint32_t)(data->map->dm_segs[0].ds_addr >> 8)
);
bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t
)), (0x04))
    ring->cur * sizeof (uint32_t), sizeof (uint32_t),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t
)), (0x04))
    BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t
)), (0x04));
ifp->if_ierrorsif_data.ifi_ierrors++;
return;
}

m = data->m;
data->m = m1;
/* Update RX descriptor. */
ring->desc[ring->cur] = htole32(data->map->dm_segs[0].ds_addr >> 8)((__uint32_t)(data->map->dm_segs[0].ds_addr >> 8)
);
bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t
)), (0x04))
   ring->cur * sizeof (uint32_t), sizeof (uint32_t),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t
)), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), (ring->cur * sizeof (uint32_t)), (sizeof (uint32_t
)), (0x04));

/* Finalize mbuf. */
m->m_datam_hdr.mh_data = head;
m->m_pkthdrM_dat.MH.MH_pkthdr.len = m->m_lenm_hdr.mh_len = len;

/*
* Grab a reference to the source node. Note that control frames are
* shorter than struct ieee80211_frame but ieee80211_find_rxnode()
* is being careful about control frames.
*/
wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data));
if (len < sizeof (*wh) &&
  (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK0x0c) != IEEE80211_FC0_TYPE_CTL0x04) {
ic->ic_stats.is_rx_tooshort++;
ifp->if_ierrorsif_data.ifi_ierrors++;
m_freem(m);
return;
}
ni = ieee80211_find_rxnode(ic, wh);

rxi.rxi_flags = 0;
if (((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK0x0c) != IEEE80211_FC0_TYPE_CTL0x04)
   && (wh->i_fc[1] & IEEE80211_FC1_PROTECTED0x40) &&
   !IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) &&
   (ni->ni_flags & IEEE80211_NODE_RXPROT0x0008) &&
   ni->ni_pairwise_key.k_cipher == IEEE80211_CIPHER_CCMP) {
if ((flags & IWN_RX_CIPHER_MASK(7 << 8)) != IWN_RX_CIPHER_CCMP(2 << 8)) {
	ic->ic_stats.is_ccmp_dec_errs++;
	ifp->if_ierrorsif_data.ifi_ierrors++;
	m_freem(m);
	ieee80211_release_node(ic, ni);
	return;
}
/* Check whether decryption was successful or not. */
if ((desc->type == IWN_MPDU_RX_DONE193 &&
     (flags & (IWN_RX_MPDU_DEC(1 << 11) | IWN_RX_MPDU_MIC_OK(1 << 6))) !=
      (IWN_RX_MPDU_DEC(1 << 11) | IWN_RX_MPDU_MIC_OK(1 << 6))) ||
    (desc->type != IWN_MPDU_RX_DONE193 &&
     (flags & IWN_RX_DECRYPT_MASK(3 << 11)) != IWN_RX_DECRYPT_OK(3 << 11))) {
	DPRINTF(("CCMP decryption failed 0x%x\n", flags));
	ic->ic_stats.is_ccmp_dec_errs++;
	ifp->if_ierrorsif_data.ifi_ierrors++;
	m_freem(m);
	ieee80211_release_node(ic, ni);
	return;
}
if (iwn_ccmp_decap(sc, m, ni) != 0) {
	ifp->if_ierrorsif_data.ifi_ierrors++;
	m_freem(m);
	ieee80211_release_node(ic, ni);
	return;
}
rxi.rxi_flags |= IEEE80211_RXI_HWDEC0x00000001;
}

rssi = ops->get_rssi(stat);

chan = stat->chan;
if (chan > IEEE80211_CHAN_MAX255)
chan = IEEE80211_CHAN_MAX255;

/* Fix current channel. */
if (ni == ic->ic_bss) {
/*
 * We may switch ic_bss's channel during scans.
 * Record the current channel so we can restore it later.
 */
bss_chan = ni->ni_chan;
IEEE80211_ADDR_COPY(&saved_bssid, ni->ni_macaddr)__builtin_memcpy((&saved_bssid), (ni->ni_macaddr), (6)
);
}
ni->ni_chan = &ic->ic_channels[chan];

2187#if NBPFILTER1 > 0
if (sc->sc_drvbpf != NULL((void *)0)) {
struct iwn_rx_radiotap_header *tap = &sc->sc_rxtapsc_rxtapu.th;
uint16_t chan_flags;

tap->wr_flags = 0;
if (stat->flags & htole16(IWN_STAT_FLAG_SHPREAMBLE)((__uint16_t)((1 << 2))))
	tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE0x02;
tap->wr_chan_freq = htole16(ic->ic_channels[chan].ic_freq)((__uint16_t)(ic->ic_channels[chan].ic_freq));
chan_flags = ic->ic_channels[chan].ic_flags;
if (ic->ic_curmode != IEEE80211_MODE_11N)
	chan_flags &= ~IEEE80211_CHAN_HT0x2000;
tap->wr_chan_flags = htole16(chan_flags)((__uint16_t)(chan_flags));
tap->wr_dbm_antsignal = (int8_t)rssi;
tap->wr_dbm_antnoise = (int8_t)sc->noise;
tap->wr_tsft = stat->tstamp;
if (stat->rflags & IWN_RFLAG_MCS(1 << 0)) {
	tap->wr_rate = (0x80 | stat->rate); /* HT MCS index */
} else {
	switch (stat->rate) {
	/* CCK rates. */
	case  10: tap->wr_rate =   2; break;
	case  20: tap->wr_rate =   4; break;
	case  55: tap->wr_rate =  11; break;
	case 110: tap->wr_rate =  22; break;
	/* OFDM rates. */
	case 0xd: tap->wr_rate =  12; break;
	case 0xf: tap->wr_rate =  18; break;
	case 0x5: tap->wr_rate =  24; break;
	case 0x7: tap->wr_rate =  36; break;
	case 0x9: tap->wr_rate =  48; break;
	case 0xb: tap->wr_rate =  72; break;
	case 0x1: tap->wr_rate =  96; break;
	case 0x3: tap->wr_rate = 108; break;
	/* Unknown rate: should not happen. */
	default:  tap->wr_rate =  0;
	}
}

bpf_mtap_hdr(sc->sc_drvbpf, tap, sc->sc_rxtap_len,
    m, BPF_DIRECTION_IN(1 << 0));
}
2229#endif

/* Send the frame to the 802.11 layer. */
rxi.rxi_rssi = rssi;
rxi.rxi_tstamp = 0;	/* unused */
ieee80211_inputm(ifp, m, ni, &rxi, ml);

/*
* ieee80211_inputm() might have changed our BSS.
* Restore ic_bss's channel if we are still in the same BSS.
*/
if (ni == ic->ic_bss && IEEE80211_ADDR_EQ(saved_bssid, ni->ni_macaddr)(__builtin_memcmp((saved_bssid), (ni->ni_macaddr), (6)) ==
 0))
ni->ni_chan = bss_chan;

/* Node is no longer needed. */
ieee80211_release_node(ic, ni);
2245}

2247void
2248iwn_ra_choose(struct iwn_softc *sc, struct ieee80211_node *ni)
2249{
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_node *wn = (void *)ni;
int old_txmcs = ni->ni_txmcs;

ieee80211_ra_choose(&wn->rn, ic, ni);

/* Update firmware's LQ retry table if RA has chosen a new MCS. */
if (ni->ni_txmcs != old_txmcs)
iwn_set_link_quality(sc, ni);
2259}

2261void
2262iwn_ampdu_rate_control(struct iwn_softc *sc, struct ieee80211_node *ni,
  struct iwn_tx_ring *txq, uint16_t seq, uint16_t ssn)
2264{
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_node *wn = (void *)ni;
int idx, end_idx;

/*
* Update Tx rate statistics for A-MPDUs before firmware's BA window.
*/
idx = IWN_AGG_SSN_TO_TXQ_IDX(seq)((seq) & (256 - 1));
end_idx = IWN_AGG_SSN_TO_TXQ_IDX(ssn)((ssn) & (256 - 1));
while (idx != end_idx) {
struct iwn_tx_data *txdata = &txq->data[idx];
if (txdata->m != NULL((void *)0) && txdata->ampdu_nframes > 1) {
	/*
	 * We can assume that this subframe has been ACKed
	 * because ACK failures come as single frames and
	 * before failing an A-MPDU subframe the firmware
	 * sends it as a single frame at least once.
	 */
	ieee80211_ra_add_stats_ht(&wn->rn, ic, ni,
	    txdata->ampdu_txmcs, 1, 0);

	/* Report this frame only once. */
	txdata->ampdu_nframes = 0;
}

idx = (idx + 1) % IWN_TX_RING_COUNT256;
}

iwn_ra_choose(sc, ni);
2294}

2296void
2297iwn_ht_single_rate_control(struct iwn_softc *sc, struct ieee80211_node *ni,
  uint8_t rate, uint8_t rflags, uint8_t ackfailcnt, int txfail)
2299{
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_node *wn = (void *)ni;
int mcs = rate;
const struct ieee80211_ht_rateset *rs =
   ieee80211_ra_get_ht_rateset(rate,
ieee80211_node_supports_ht_chan40(ni),
ieee80211_ra_use_ht_sgi(ni));
unsigned int retries = 0, i;

/*
* Ignore Tx reports which don't match our last LQ command.
*/
if (rate != ni->ni_txmcs) {
if (++wn->lq_rate_mismatch > 15) {
	/* Try to sync firmware with driver. */
	iwn_set_link_quality(sc, ni);
	wn->lq_rate_mismatch = 0;
}
return;
}

wn->lq_rate_mismatch = 0;

/*
* Firmware has attempted rates in this rate set in sequence.
* Retries at a basic rate are counted against the minimum MCS.
*/
for (i = 0; i < ackfailcnt; i++) {
if (mcs > rs->min_mcs) {
	ieee80211_ra_add_stats_ht(&wn->rn, ic, ni, mcs, 1, 1);
	mcs--;
} else
	retries++;
}

if (txfail && ackfailcnt == 0)
ieee80211_ra_add_stats_ht(&wn->rn, ic, ni, mcs, 1, 1);
else
ieee80211_ra_add_stats_ht(&wn->rn, ic, ni, mcs, retries + 1, retries);

iwn_ra_choose(sc, ni);
2341}

2343/*
* Process an incoming Compressed BlockAck.
* Note that these block ack notifications are generated by firmware and do
* not necessarily correspond to contents of block ack frames seen on the air.
*/
2348void
2349iwn_rx_compressed_ba(struct iwn_softc *sc, struct iwn_rx_desc *desc,
  struct iwn_rx_data *data)
2351{
struct iwn_compressed_ba *cba = (struct iwn_compressed_ba *)(desc + 1);
struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_node *ni;
struct ieee80211_tx_ba *ba;
struct iwn_tx_ring *txq;
uint16_t seq, ssn;
int qid;

if (ic->ic_state != IEEE80211_S_RUN)
return;

bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc), sizeof (*cba),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*cba)), (0x02))
   BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*cba)), (0x02));

if (!IEEE80211_ADDR_EQ(ic->ic_bss->ni_macaddr, cba->macaddr)(__builtin_memcmp((ic->ic_bss->ni_macaddr), (cba->macaddr
), (6)) == 0))
return;

ni = ic->ic_bss;

qid = le16toh(cba->qid)((__uint16_t)(cba->qid));
if (qid < sc->first_agg_txq || qid >= sc->ntxqs)
return;

txq = &sc->txq[qid];

/* Protect against a firmware bug where the queue/TID are off. */
if (qid != sc->first_agg_txq + cba->tid)
return;

ba = &ni->ni_tx_ba[cba->tid];
if (ba->ba_state != IEEE80211_BA_AGREED2)
return;

/*
* The first bit in cba->bitmap corresponds to the sequence number
* stored in the sequence control field cba->seq.
* Multiple BA notifications in a row may be using this number, with
* additional bits being set in cba->bitmap. It is unclear how the
* firmware decides to shift this window forward.
* We rely on ba->ba_winstart instead.
*/
seq = le16toh(cba->seq)((__uint16_t)(cba->seq)) >> IEEE80211_SEQ_SEQ_SHIFT4;

/*
* The firmware's new BA window starting sequence number
* corresponds to the first hole in cba->bitmap, implying
* that all frames between 'seq' and 'ssn' (non-inclusive)
* have been acked.
*/
ssn = le16toh(cba->ssn)((__uint16_t)(cba->ssn));

if (SEQ_LT(ssn, ba->ba_winstart)((((u_int16_t)(ssn) - (u_int16_t)(ba->ba_winstart)) & 0xfff
) > 2048))
return;

/* Skip rate control if our Tx rate is fixed. */
if (ic->ic_fixed_mcs == -1)
iwn_ampdu_rate_control(sc, ni, txq, ba->ba_winstart, ssn);

/*
* SSN corresponds to the first (perhaps not yet transmitted) frame
* in firmware's BA window. Firmware is not going to retransmit any
* frames before its BA window so mark them all as done.
*/
ieee80211_output_ba_move_window(ic, ni, cba->tid, ssn);
iwn_ampdu_txq_advance(sc, txq, qid,
   IWN_AGG_SSN_TO_TXQ_IDX(ssn)((ssn) & (256 - 1)));
iwn_clear_oactive(sc, txq);
2419}

2421/*
* Process a CALIBRATION_RESULT notification sent by the initialization
* firmware on response to a CMD_CALIB_CONFIG command (5000 only).
*/
2425void
2426iwn5000_rx_calib_results(struct iwn_softc *sc, struct iwn_rx_desc *desc,
  struct iwn_rx_data *data)
2428{
struct iwn_phy_calib *calib = (struct iwn_phy_calib *)(desc + 1);
int len, idx = -1;

/* Runtime firmware should not send such a notification. */
if (sc->sc_flags & IWN_FLAG_CALIB_DONE(1 << 2))
return;

len = (letoh32(desc->len)((__uint32_t)(desc->len)) & IWN_RX_DESC_LEN_MASK0x00003fff) - 4;
bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc), len,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (len), (0x02))
   BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (len), (0x02));

switch (calib->code) {
case IWN5000_PHY_CALIB_DC8:
if (sc->hw_type == IWN_HW_REV_TYPE_51504 ||
    sc->hw_type == IWN_HW_REV_TYPE_203012 ||
    sc->hw_type == IWN_HW_REV_TYPE_200016 ||
    sc->hw_type == IWN_HW_REV_TYPE_13518 ||
    sc->hw_type == IWN_HW_REV_TYPE_10517)
	idx = 0;
break;
case IWN5000_PHY_CALIB_LO9:
idx = 1;
break;
case IWN5000_PHY_CALIB_TX_IQ11:
idx = 2;
break;
case IWN5000_PHY_CALIB_TX_IQ_PERIODIC17:
if (sc->hw_type < IWN_HW_REV_TYPE_60007 &&
    sc->hw_type != IWN_HW_REV_TYPE_51504)
	idx = 3;
break;
case IWN5000_PHY_CALIB_BASE_BAND16:
idx = 4;
break;
}
if (idx == -1)	/* Ignore other results. */
return;

/* Save calibration result. */
if (sc->calibcmd[idx].buf != NULL((void *)0))
free(sc->calibcmd[idx].buf, M_DEVBUF2, 0);
sc->calibcmd[idx].buf = malloc(len, M_DEVBUF2, M_NOWAIT0x0002);
if (sc->calibcmd[idx].buf == NULL((void *)0)) {
DPRINTF(("not enough memory for calibration result %d\n",
    calib->code));
return;
}
DPRINTF(("saving calibration result code=%d len=%d\n",
   calib->code, len));
sc->calibcmd[idx].len = len;
memcpy(sc->calibcmd[idx].buf, calib, len)__builtin_memcpy((sc->calibcmd[idx].buf), (calib), (len));
2480}

2482/*
* Process an RX_STATISTICS or BEACON_STATISTICS firmware notification.
* The latter is sent by the firmware after each received beacon.
*/
2486void
2487iwn_rx_statistics(struct iwn_softc *sc, struct iwn_rx_desc *desc,
  struct iwn_rx_data *data)
2489{
struct iwn_ops *ops = &sc->ops;
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_calib_state *calib = &sc->calib;
struct iwn_stats *stats = (struct iwn_stats *)(desc + 1);
int temp;

/* Ignore statistics received during a scan. */
if (ic->ic_state != IEEE80211_S_RUN)
return;

bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*stats)), (0x02))
   sizeof (*stats), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*stats)), (0x02));

DPRINTFN(3, ("received statistics (cmd=%d)\n", desc->type));
sc->calib_cnt = 0;	/* Reset TX power calibration timeout. */

sc->rx_stats_flags = htole32(stats->flags)((__uint32_t)(stats->flags));

/* Test if temperature has changed. */
if (stats->general.temp != sc->rawtemp) {
/* Convert "raw" temperature to degC. */
sc->rawtemp = stats->general.temp;
temp = ops->get_temperature(sc);
DPRINTFN(2, ("temperature=%dC\n", temp));

/* Update TX power if need be (4965AGN only). */
if (sc->hw_type == IWN_HW_REV_TYPE_49650)
	iwn4965_power_calibration(sc, temp);
}

if (desc->type != IWN_BEACON_STATISTICS157)
return;	/* Reply to a statistics request. */

sc->noise = iwn_get_noise(&stats->rx.general);

/* Test that RSSI and noise are present in stats report. */
if (sc->noise == -127)
return;

if (letoh32(stats->rx.general.flags)((__uint32_t)(stats->rx.general.flags)) != 1) {
DPRINTF(("received statistics without RSSI\n"));
return;
}

/*
* XXX Differential gain calibration makes the 6005 firmware
* crap out, so skip it for now.  This effectively disables
* sensitivity tuning as well.
*/
if (sc->hw_type == IWN_HW_REV_TYPE_600511)
return;

if (calib->state == IWN_CALIB_STATE_ASSOC1)
iwn_collect_noise(sc, &stats->rx.general);
else if (calib->state == IWN_CALIB_STATE_RUN2)
iwn_tune_sensitivity(sc, &stats->rx);
2546}

2548void
2549iwn_ampdu_txq_advance(struct iwn_softc *sc, struct iwn_tx_ring *txq, int qid,
  int idx)
2551{
struct iwn_ops *ops = &sc->ops;

DPRINTFN(3, ("%s: txq->cur=%d txq->read=%d txq->queued=%d qid=%d "
   "idx=%d\n", __func__, txq->cur, txq->read, txq->queued, qid, idx));

while (txq->read != idx) {
struct iwn_tx_data *txdata = &txq->data[txq->read];
if (txdata->m != NULL((void *)0)) {
	ops->reset_sched(sc, qid, txq->read);
	iwn_tx_done_free_txdata(sc, txdata);
	txq->queued--;
}
txq->read = (txq->read + 1) % IWN_TX_RING_COUNT256;
}
2566}

2568/*
* Handle A-MPDU Tx queue status report.
* Tx failures come as single frames (perhaps out of order), and before failing
* an A-MPDU subframe the firmware transmits it as a single frame at least once.
* Frames successfully transmitted in an A-MPDU are completed when a compressed
* block ack notification is received.
*/
2575void
2576iwn_ampdu_tx_done(struct iwn_softc *sc, struct iwn_tx_ring *txq,
  struct iwn_rx_desc *desc, uint16_t status, uint8_t ackfailcnt,
  uint8_t rate, uint8_t rflags, int nframes, uint32_t ssn,
  struct iwn_txagg_status *agg_status)
2580{
struct ieee80211com *ic = &sc->sc_ic;
int tid = desc->qid - sc->first_agg_txq;
struct iwn_tx_data *txdata = &txq->data[desc->idx];
struct ieee80211_node *ni = txdata->ni;
int txfail = (status != IWN_TX_STATUS_SUCCESS0x01 &&
   status != IWN_TX_STATUS_DIRECT_DONE0x02);
struct ieee80211_tx_ba *ba;
uint16_t seq;

sc->sc_tx_timer = 0;

if (ic->ic_state != IEEE80211_S_RUN)
return;

if (nframes > 1) {
int i;

	/*
 * Collect information about this A-MPDU.
 */
for (i = 0; i < nframes; i++) {
	uint8_t qid = agg_status[i].qid;
	uint8_t idx = agg_status[i].idx;
	uint16_t txstatus = (le16toh(agg_status[i].status)((__uint16_t)(agg_status[i].status)) &
	    IWN_AGG_TX_STATUS_MASK0x0fff);

	if (txstatus != IWN_AGG_TX_STATE_TRANSMITTED0x0000)
		continue;

	if (qid != desc->qid)
		continue;

	txdata = &txq->data[idx];
	if (txdata->ni == NULL((void *)0))
		continue;

	/* The Tx rate was the same for all subframes. */
	txdata->ampdu_txmcs = rate;
	txdata->ampdu_nframes = nframes;
}
return;
}

if (ni == NULL((void *)0))
return;

ba = &ni->ni_tx_ba[tid];
if (ba->ba_state != IEEE80211_BA_AGREED2)
return;
if (SEQ_LT(ssn, ba->ba_winstart)((((u_int16_t)(ssn) - (u_int16_t)(ba->ba_winstart)) & 0xfff
) > 2048))
return;

/* This was a final single-frame Tx attempt for frame SSN-1. */
seq = (ssn - 1) & 0xfff;

/*
* Skip rate control if our Tx rate is fixed.
*/
if (ic->ic_fixed_mcs == -1) {
if (txdata->ampdu_nframes > 1) {
	struct iwn_node *wn = (void *)ni;
	/*
	 * This frame was once part of an A-MPDU.
	 * Report one failed A-MPDU Tx attempt.
	 * The firmware might have made several such
	 * attempts but we don't keep track of this.
	 */
	ieee80211_ra_add_stats_ht(&wn->rn, ic, ni,
	    txdata->ampdu_txmcs, 1, 1);
}

/* Report the final single-frame Tx attempt. */
if (rflags & IWN_RFLAG_MCS(1 << 0))
	iwn_ht_single_rate_control(sc, ni, rate, rflags,
	    ackfailcnt, txfail);
}

if (txfail)
ieee80211_tx_compressed_bar(ic, ni, tid, ssn);

/*
* SSN corresponds to the first (perhaps not yet transmitted) frame
* in firmware's BA window. Firmware is not going to retransmit any
* frames before its BA window so mark them all as done.
*/
ieee80211_output_ba_move_window(ic, ni, tid, ssn);
iwn_ampdu_txq_advance(sc, txq, desc->qid, IWN_AGG_SSN_TO_TXQ_IDX(ssn)((ssn) & (256 - 1)));
iwn_clear_oactive(sc, txq);
2669}

2671/*
* Process a TX_DONE firmware notification.  Unfortunately, the 4965AGN
* and 5000 adapters have different incompatible TX status formats.
*/
2675void
2676iwn4965_tx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
  struct iwn_rx_data *data)
2678{
struct iwn4965_tx_stat *stat = (struct iwn4965_tx_stat *)(desc + 1);
struct iwn_tx_ring *ring;
size_t len = (letoh32(desc->len)((__uint32_t)(desc->len)) & IWN_RX_DESC_LEN_MASK0x00003fff);
uint16_t status = letoh32(stat->stat.status)((__uint32_t)(stat->stat.status)) & 0xff;
uint32_t ssn;

if (desc->qid > IWN4965_NTXQUEUES16)
return;

ring = &sc->txq[desc->qid];

bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (len), (0x02))
   len, BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (len), (0x02));

/* Sanity checks. */
if (sizeof(*stat) > len)
return;
if (stat->nframes < 1 || stat->nframes > IWN_AMPDU_MAX63)
return;
if (desc->qid < sc->first_agg_txq && stat->nframes > 1)
return;
if (desc->qid >= sc->first_agg_txq && sizeof(*stat) + sizeof(ssn) +
   stat->nframes * sizeof(stat->stat) > len)
return;

if (desc->qid < sc->first_agg_txq) {
/* XXX 4965 does not report byte count */
struct iwn_tx_data *txdata = &ring->data[desc->idx];
uint16_t framelen = txdata->totlen + IEEE80211_CRC_LEN4;
int txfail = (status != IWN_TX_STATUS_SUCCESS0x01 &&
    status != IWN_TX_STATUS_DIRECT_DONE0x02);

iwn_tx_done(sc, desc, stat->ackfailcnt, stat->rate,
    stat->rflags, txfail, desc->qid, framelen);
} else {
memcpy(&ssn, &stat->stat.status + stat->nframes, sizeof(ssn))__builtin_memcpy((&ssn), (&stat->stat.status + stat
->nframes), (sizeof(ssn)));
ssn = le32toh(ssn)((__uint32_t)(ssn)) & 0xfff;
iwn_ampdu_tx_done(sc, ring, desc, status, stat->ackfailcnt,
    stat->rate, stat->rflags, stat->nframes, ssn,
    stat->stat.agg_status);
}
2720}

2722void
2723iwn5000_tx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
  struct iwn_rx_data *data)
2725{
struct iwn5000_tx_stat *stat = (struct iwn5000_tx_stat *)(desc + 1);
struct iwn_tx_ring *ring;
size_t len = (letoh32(desc->len)((__uint32_t)(desc->len)) & IWN_RX_DESC_LEN_MASK0x00003fff);
uint16_t status = letoh32(stat->stat.status)((__uint32_t)(stat->stat.status)) & 0xff;
uint32_t ssn;

if (desc->qid > IWN5000_NTXQUEUES20)
return;

ring = &sc->txq[desc->qid];

bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*stat)), (0x02))
   sizeof (*stat), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*stat)), (0x02));

/* Sanity checks. */
if (sizeof(*stat) > len)
return;
if (stat->nframes < 1 || stat->nframes > IWN_AMPDU_MAX63)
return;
if (desc->qid < sc->first_agg_txq && stat->nframes > 1)
return;
if (desc->qid >= sc->first_agg_txq && sizeof(*stat) + sizeof(ssn) +
   stat->nframes * sizeof(stat->stat) > len)
return;

/* If this was not an aggregated frame, complete it now. */
if (desc->qid < sc->first_agg_txq) {
int txfail = (status != IWN_TX_STATUS_SUCCESS0x01 &&
    status != IWN_TX_STATUS_DIRECT_DONE0x02);

/* Reset TX scheduler slot. */
iwn5000_reset_sched(sc, desc->qid, desc->idx);

iwn_tx_done(sc, desc, stat->ackfailcnt, stat->rate,
    stat->rflags, txfail, desc->qid, letoh16(stat->len)((__uint16_t)(stat->len)));
} else {
memcpy(&ssn, &stat->stat.status + stat->nframes, sizeof(ssn))__builtin_memcpy((&ssn), (&stat->stat.status + stat
->nframes), (sizeof(ssn)));
ssn = le32toh(ssn)((__uint32_t)(ssn)) & 0xfff;
iwn_ampdu_tx_done(sc, ring, desc, status, stat->ackfailcnt,
    stat->rate, stat->rflags, stat->nframes, ssn,
    stat->stat.agg_status);
}
2768}

2770void
2771iwn_tx_done_free_txdata(struct iwn_softc *sc, struct iwn_tx_data *data)
2772{
struct ieee80211com *ic = &sc->sc_ic;

bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x08))
   BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x08));
bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data
->map));
m_freem(data->m);
data->m = NULL((void *)0);
ieee80211_release_node(ic, data->ni);
data->ni = NULL((void *)0);
data->totlen = 0;
data->ampdu_nframes = 0;
data->ampdu_txmcs = 0;
2785}

2787void
2788iwn_clear_oactive(struct iwn_softc *sc, struct iwn_tx_ring *ring)
2789{
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = &ic->ic_ific_ac.ac_if;

if (ring->queued < IWN_TX_RING_LOMARK192) {
sc->qfullmsk &= ~(1 << ring->qid);
if (sc->qfullmsk == 0 && ifq_is_oactive(&ifp->if_snd)) {
	ifq_clr_oactive(&ifp->if_snd);
	(*ifp->if_start)(ifp);
}
}
2800}

2802/*
* Adapter-independent backend for TX_DONE firmware notifications.
* This handles Tx status for non-aggregation queues.
*/
2806void
2807iwn_tx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
  uint8_t ackfailcnt, uint8_t rate, uint8_t rflags, int txfail,
  int qid, uint16_t len)
2810{
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = &ic->ic_ific_ac.ac_if;
struct iwn_tx_ring *ring = &sc->txq[qid];
struct iwn_tx_data *data = &ring->data[desc->idx];
struct iwn_node *wn = (void *)data->ni;

if (data->ni == NULL((void *)0))
return;

if (data->ni->ni_flags & IEEE80211_NODE_HT0x0400) {
if (ic->ic_state == IEEE80211_S_RUN &&
    ic->ic_fixed_mcs == -1 && (rflags & IWN_RFLAG_MCS(1 << 0))) {
	iwn_ht_single_rate_control(sc, data->ni, rate, rflags,
	    ackfailcnt, txfail);
}
} else {
if (rate != data->ni->ni_txrate) {
	if (++wn->lq_rate_mismatch > 15) {
		/* Try to sync firmware with driver. */
		iwn_set_link_quality(sc, data->ni);
		wn->lq_rate_mismatch = 0;
	}
} else {
	wn->lq_rate_mismatch = 0;

	wn->amn.amn_txcnt++;
	if (ackfailcnt > 0)
		wn->amn.amn_retrycnt++;
	if (txfail)
		wn->amn.amn_retrycnt++;
}
}
if (txfail)
ifp->if_oerrorsif_data.ifi_oerrors++;

iwn_tx_done_free_txdata(sc, data);

sc->sc_tx_timer = 0;
ring->queued--;
iwn_clear_oactive(sc, ring);
2851}

2853/*
* Process a "command done" firmware notification.  This is where we wakeup
* processes waiting for a synchronous command completion.
*/
2857void
2858iwn_cmd_done(struct iwn_softc *sc, struct iwn_rx_desc *desc)
2859{
struct iwn_tx_ring *ring = &sc->txq[4];
struct iwn_tx_data *data;

if ((desc->qid & 0xf) != 4)
return;	/* Not a command ack. */

data = &ring->data[desc->idx];

/* If the command was mapped in an mbuf, free it. */
if (data->m != NULL((void *)0)) {
bus_dmamap_sync(sc->sc_dmat, data->map, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x08))
    data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x08));
bus_dmamap_unload(sc->sc_dmat, data->map)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (data
->map));
m_freem(data->m);
data->m = NULL((void *)0);
}
wakeup(&ring->desc[desc->idx]);
2877}

2879/*
* Process an INT_FH_RX or INT_SW_RX interrupt.
*/
2882void
2883iwn_notif_intr(struct iwn_softc *sc)
2884{
struct mbuf_list ml = MBUF_LIST_INITIALIZER(){ ((void *)0), ((void *)0), 0 };
struct iwn_ops *ops = &sc->ops;
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = &ic->ic_ific_ac.ac_if;
uint16_t hw;

bus_dmamap_sync(sc->sc_dmat, sc->rxq.stat_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
rxq.stat_dma.map), (0), (sc->rxq.stat_dma.size), (0x02))
   0, sc->rxq.stat_dma.size, BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
rxq.stat_dma.map), (0), (sc->rxq.stat_dma.size), (0x02));

hw = letoh16(sc->rxq.stat->closed_count)((__uint16_t)(sc->rxq.stat->closed_count)) & 0xfff;
while (sc->rxq.cur != hw) {
struct iwn_rx_data *data = &sc->rxq.data[sc->rxq.cur];
struct iwn_rx_desc *desc;

bus_dmamap_sync(sc->sc_dmat, data->map, 0, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (sizeof (*desc)), (0x02))
    BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (sizeof (*desc)), (0x02));
desc = mtod(data->m, struct iwn_rx_desc *)((struct iwn_rx_desc *)((data->m)->m_hdr.mh_data));

DPRINTFN(4, ("notification qid=%d idx=%d flags=%x type=%d\n",
    desc->qid & 0xf, desc->idx, desc->flags, desc->type));

if (!(desc->qid & 0x80))	/* Reply to a command. */
	iwn_cmd_done(sc, desc);

switch (desc->type) {
case IWN_RX_PHY192:
	iwn_rx_phy(sc, desc, data);
	break;

case IWN_RX_DONE195:		/* 4965AGN only. */
case IWN_MPDU_RX_DONE193:
	/* An 802.11 frame has been received. */
	iwn_rx_done(sc, desc, data, &ml);
	break;
case IWN_RX_COMPRESSED_BA197:
	/* A Compressed BlockAck has been received. */
	iwn_rx_compressed_ba(sc, desc, data);
	break;
case IWN_TX_DONE28:
	/* An 802.11 frame has been transmitted. */
	ops->tx_done(sc, desc, data);
	break;

case IWN_RX_STATISTICS156:
case IWN_BEACON_STATISTICS157:
	iwn_rx_statistics(sc, desc, data);
	break;

case IWN_BEACON_MISSED162:
{
	struct iwn_beacon_missed *miss =
	    (struct iwn_beacon_missed *)(desc + 1);
	uint32_t missed;

	if ((ic->ic_opmode != IEEE80211_M_STA) ||
	    (ic->ic_state != IEEE80211_S_RUN))
		break;

	bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*miss)), (0x02))
	    sizeof (*miss), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*miss)), (0x02));
	missed = letoh32(miss->consecutive)((__uint32_t)(miss->consecutive));

	/*
	 * If more than 5 consecutive beacons are missed,
	 * reinitialize the sensitivity state machine.
	 */
	if (missed > 5)
		(void)iwn_init_sensitivity(sc);

	/*
	 * Rather than go directly to scan state, try to send a
	 * directed probe request first. If that fails then the
	 * state machine will drop us into scanning after timing
	 * out waiting for a probe response.
	 */
	if (missed > ic->ic_bmissthres && !ic->ic_mgt_timer) {
		if (ic->ic_ific_ac.ac_if.if_flags & IFF_DEBUG0x4)
			printf("%s: receiving no beacons from "
			    "%s; checking if this AP is still "
			    "responding to probe requests\n",
			    sc->sc_dev.dv_xname, ether_sprintf(
			    ic->ic_bss->ni_macaddr));
		IEEE80211_SEND_MGMT(ic, ic->ic_bss,((*(ic)->ic_send_mgmt)(ic, ic->ic_bss, 0x40, 0, 0))
		    IEEE80211_FC0_SUBTYPE_PROBE_REQ, 0)((*(ic)->ic_send_mgmt)(ic, ic->ic_bss, 0x40, 0, 0));
	}
	break;
}
case IWN_UC_READY1:
{
	struct iwn_ucode_info *uc =
	    (struct iwn_ucode_info *)(desc + 1);

	/* The microcontroller is ready. */
	bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*uc)), (0x02))
	    sizeof (*uc), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*uc)), (0x02));
	DPRINTF(("microcode alive notification version=%d.%d "
	    "subtype=%x alive=%x\n", uc->major, uc->minor,
	    uc->subtype, letoh32(uc->valid)));

	if (letoh32(uc->valid)((__uint32_t)(uc->valid)) != 1) {
		printf("%s: microcontroller initialization "
		    "failed\n", sc->sc_dev.dv_xname);
		break;
	}
	if (uc->subtype == IWN_UCODE_INIT9) {
		/* Save microcontroller report. */
		memcpy(&sc->ucode_info, uc, sizeof (*uc))__builtin_memcpy((&sc->ucode_info), (uc), (sizeof (*uc
)));
	}
	/* Save the address of the error log in SRAM. */
	sc->errptr = letoh32(uc->errptr)((__uint32_t)(uc->errptr));
	break;
}
case IWN_STATE_CHANGED161:
{
	uint32_t *status = (uint32_t *)(desc + 1);

	/* Enabled/disabled notification. */
	bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*status)), (0x02))
	    sizeof (*status), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*status)), (0x02));
	DPRINTF(("state changed to %x\n", letoh32(*status)));

	if (letoh32(*status)((__uint32_t)(*status)) & 1) {
		/* Radio transmitter is off, power down. */
		iwn_stop(ifp);
		return;	/* No further processing. */
	}
	break;
}
case IWN_START_SCAN130:
{
	struct iwn_start_scan *scan =
	    (struct iwn_start_scan *)(desc + 1);

	bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*scan)), (0x02))
	    sizeof (*scan), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*scan)), (0x02));
	DPRINTFN(2, ("scan start: chan %d status %x\n",
	    scan->chan, letoh32(scan->status)));

	if (sc->sc_flags & IWN_FLAG_BGSCAN(1 << 9))
		break;

	/* Fix current channel. */
	ic->ic_bss->ni_chan = &ic->ic_channels[scan->chan];
	break;
}
case IWN_STOP_SCAN132:
{
	struct iwn_stop_scan *scan =
	    (struct iwn_stop_scan *)(desc + 1);

	bus_dmamap_sync(sc->sc_dmat, data->map, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*scan)), (0x02))
	    sizeof (*scan), BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (sizeof (*desc)), (sizeof (*scan)), (0x02));
	DPRINTFN(2, ("scan stop: nchan=%d status=%d chan=%d\n",
	    scan->nchan, scan->status, scan->chan));

	if (scan->status == 1 && scan->chan <= 14 &&
	    (sc->sc_flags & IWN_FLAG_HAS_5GHZ(1 << 0))) {
	    	int error;
		/*
		 * We just finished scanning 2GHz channels,
		 * start scanning 5GHz ones.
		 */
		error = iwn_scan(sc, IEEE80211_CHAN_5GHZ0x0100,
		    (sc->sc_flags & IWN_FLAG_BGSCAN(1 << 9)) ? 1 : 0);
		if (error == 0)
			break;
	}
	sc->sc_flags &= ~IWN_FLAG_SCANNING(1 << 10);
	sc->sc_flags &= ~IWN_FLAG_BGSCAN(1 << 9);
	ieee80211_end_scan(ifp);
	break;
}
case IWN5000_CALIBRATION_RESULT102:
	iwn5000_rx_calib_results(sc, desc, data);
	break;

case IWN5000_CALIBRATION_DONE103:
	sc->sc_flags |= IWN_FLAG_CALIB_DONE(1 << 2);
	wakeup(sc);
	break;
}

sc->rxq.cur = (sc->rxq.cur + 1) % IWN_RX_RING_COUNT(1 << 6);
}
if_input(&sc->sc_ic.ic_ific_ac.ac_if, &ml);

/* Tell the firmware what we have processed. */
hw = (hw == 0) ? IWN_RX_RING_COUNT(1 << 6) - 1 : hw - 1;
IWN_WRITE(sc, IWN_FH_RX_WPTR, hw & ~7)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1bc8)), (
(hw & ~7))));
3074}

3076/*
* Process an INT_WAKEUP interrupt raised when the microcontroller wakes up
* from power-down sleep mode.
*/
3080void
3081iwn_wakeup_intr(struct iwn_softc *sc)
3082{
int qid;

DPRINTF(("ucode wakeup from power-down sleep\n"));

/* Wakeup RX and TX rings. */
IWN_WRITE(sc, IWN_FH_RX_WPTR, sc->rxq.cur & ~7)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1bc8)), (
(sc->rxq.cur & ~7))));
for (qid = 0; qid < sc->ntxqs; qid++) {
struct iwn_tx_ring *ring = &sc->txq[qid];
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | ring->cur)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
qid << 8 | ring->cur))));
}
3093}

3095/*
* Dump the error log of the firmware when a firmware panic occurs.  Although
* we can't debug the firmware because it is neither open source nor free, it
* can help us to identify certain classes of problems.
*/
3100void
3101iwn_fatal_intr(struct iwn_softc *sc)
3102{
struct iwn_fw_dump dump;
int i;

/* Check that the error log address is valid. */
if (sc->errptr < IWN_FW_DATA_BASE0x00800000 ||
   sc->errptr + sizeof (dump) >
   IWN_FW_DATA_BASE0x00800000 + sc->fw_data_maxsz) {
printf("%s: bad firmware error log address 0x%08x\n",
    sc->sc_dev.dv_xname, sc->errptr);
return;
}
if (iwn_nic_lock(sc) != 0) {
printf("%s: could not read firmware error log\n",
    sc->sc_dev.dv_xname);
return;
}
/* Read firmware error log from SRAM. */
iwn_mem_read_region_4(sc, sc->errptr, (uint32_t *)&dump,
   sizeof (dump) / sizeof (uint32_t));
iwn_nic_unlock(sc);

if (dump.valid == 0) {
printf("%s: firmware error log is empty\n",
    sc->sc_dev.dv_xname);
return;
}
printf("firmware error log:\n");
printf("  error type      = \"%s\" (0x%08X)\n",
   (dump.id < nitems(iwn_fw_errmsg)(sizeof((iwn_fw_errmsg)) / sizeof((iwn_fw_errmsg)[0]))) ?
iwn_fw_errmsg[dump.id] : "UNKNOWN",
   dump.id);
printf("  program counter = 0x%08X\n", dump.pc);
printf("  source line     = 0x%08X\n", dump.src_line);
printf("  error data      = 0x%08X%08X\n",
   dump.error_data[0], dump.error_data[1]);
printf("  branch link     = 0x%08X%08X\n",
   dump.branch_link[0], dump.branch_link[1]);
printf("  interrupt link  = 0x%08X%08X\n",
   dump.interrupt_link[0], dump.interrupt_link[1]);
printf("  time            = %u\n", dump.time[0]);

/* Dump driver status (TX and RX rings) while we're here. */
printf("driver status:\n");
for (i = 0; i < sc->ntxqs; i++) {
struct iwn_tx_ring *ring = &sc->txq[i];
printf("  tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n",
    i, ring->qid, ring->cur, ring->queued);
}
printf("  rx ring: cur=%d\n", sc->rxq.cur);
printf("  802.11 state %d\n", sc->sc_ic.ic_state);
3153}

3155int
3156iwn_intr(void *arg)
3157{
struct iwn_softc *sc = arg;
struct ifnet *ifp = &sc->sc_ic.ic_ific_ac.ac_if;
uint32_t r1, r2, tmp;

/* Disable interrupts. */
IWN_WRITE(sc, IWN_INT_MASK, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), ((
0))));

/* Read interrupts from ICT (fast) or from registers (slow). */
if (sc->sc_flags & IWN_FLAG_USE_ICT(1 << 3)) {
tmp = 0;
while (sc->ict[sc->ict_cur] != 0) {
	tmp |= sc->ict[sc->ict_cur];
	sc->ict[sc->ict_cur] = 0;	/* Acknowledge. */
	sc->ict_cur = (sc->ict_cur + 1) % IWN_ICT_COUNT(4096 / sizeof (uint32_t));
}
tmp = letoh32(tmp)((__uint32_t)(tmp));
if (tmp == 0xffffffff)	/* Shouldn't happen. */
	tmp = 0;
else if (tmp & 0xc0000)	/* Workaround a HW bug. */
	tmp |= 0x8000;
r1 = (tmp & 0xff00) << 16 | (tmp & 0xff);
r2 = 0;	/* Unused. */
} else {
r1 = IWN_READ(sc, IWN_INT)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x008))));
if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0)
	return 0;	/* Hardware gone! */
r2 = IWN_READ(sc, IWN_FH_INT)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x010))));
}
if (r1 == 0 && r2 == 0) {
if (ifp->if_flags & IFF_UP0x1)
	IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), ((
sc->int_mask))));
return 0;	/* Interrupt not for us. */
}

/* Acknowledge interrupts. */
IWN_WRITE(sc, IWN_INT, r1)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), ((
r1))));
if (!(sc->sc_flags & IWN_FLAG_USE_ICT(1 << 3)))
IWN_WRITE(sc, IWN_FH_INT, r2)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x010)), ((
r2))));

if (r1 & IWN_INT_RF_TOGGLED(1U << 7)) {
tmp = IWN_READ(sc, IWN_GP_CNTRL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) & IWN_GP_CNTRL_RFKILL(1 << 27);
printf("%s: RF switch: radio %s\n", sc->sc_dev.dv_xname,
    tmp ? "enabled" : "disabled");
if (tmp)
	task_add(systq, &sc->init_task);
}
if (r1 & IWN_INT_CT_REACHED(1U << 6)) {
printf("%s: critical temperature reached!\n",
    sc->sc_dev.dv_xname);
}
if (r1 & (IWN_INT_SW_ERR(1U << 25) | IWN_INT_HW_ERR(1U << 29))) {
printf("%s: fatal firmware error\n", sc->sc_dev.dv_xname);

/* Force a complete recalibration on next init. */
sc->sc_flags &= ~IWN_FLAG_CALIB_DONE(1 << 2);

/* Dump firmware error log and stop. */
if (ifp->if_flags & IFF_DEBUG0x4)
	iwn_fatal_intr(sc);
iwn_stop(ifp);
task_add(systq, &sc->init_task);
return 1;
}
if ((r1 & (IWN_INT_FH_RX(1U << 31) | IWN_INT_SW_RX(1U << 3) | IWN_INT_RX_PERIODIC(1U << 28))) ||
   (r2 & IWN_FH_INT_RX((1 << ((0) + 16)) | (1 << ((1) + 16)) | (1 <<
 30)))) {
if (sc->sc_flags & IWN_FLAG_USE_ICT(1 << 3)) {
	if (r1 & (IWN_INT_FH_RX(1U << 31) | IWN_INT_SW_RX(1U << 3)))
		IWN_WRITE(sc, IWN_FH_INT, IWN_FH_INT_RX)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x010)), ((
((1 << ((0) + 16)) | (1 << ((1) + 16)) | (1 <<
 30))))));
	IWN_WRITE_1(sc, IWN_INT_PERIODIC,(((sc)->sc_st)->write_1(((sc)->sc_sh), ((0x005)), ((
0x00))))
	    IWN_INT_PERIODIC_DIS)(((sc)->sc_st)->write_1(((sc)->sc_sh), ((0x005)), ((
0x00))));
	iwn_notif_intr(sc);
	if (r1 & (IWN_INT_FH_RX(1U << 31) | IWN_INT_SW_RX(1U << 3))) {
		IWN_WRITE_1(sc, IWN_INT_PERIODIC,(((sc)->sc_st)->write_1(((sc)->sc_sh), ((0x005)), ((
0xff))))
		    IWN_INT_PERIODIC_ENA)(((sc)->sc_st)->write_1(((sc)->sc_sh), ((0x005)), ((
0xff))));
	}
} else
	iwn_notif_intr(sc);
}

if ((r1 & IWN_INT_FH_TX(1U << 27)) || (r2 & IWN_FH_INT_TX((1 << (0)) | (1 << (1))))) {
if (sc->sc_flags & IWN_FLAG_USE_ICT(1 << 3))
	IWN_WRITE(sc, IWN_FH_INT, IWN_FH_INT_TX)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x010)), ((
((1 << (0)) | (1 << (1)))))));
wakeup(sc);	/* FH DMA transfer completed. */
}

if (r1 & IWN_INT_ALIVE(1U << 0))
wakeup(sc);	/* Firmware is alive. */

if (r1 & IWN_INT_WAKEUP(1U << 1))
iwn_wakeup_intr(sc);

/* Re-enable interrupts. */
if (ifp->if_flags & IFF_UP0x1)
IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), ((
sc->int_mask))));

return 1;
3254}

3256/*
* Update TX scheduler ring when transmitting an 802.11 frame (4965AGN and
* 5000 adapters use a slightly different format).
*/
3260void
3261iwn4965_update_sched(struct iwn_softc *sc, int qid, int idx, uint8_t id,
  uint16_t len)
3263{
uint16_t *w = &sc->sched[qid * IWN4965_SCHED_COUNT512 + idx];

*w = htole16(len + 8)((__uint16_t)(len + 8));
bus_dmamap_sync(sc->sc_dmat, sc->sched_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04))
   (caddr_t)w - sc->sched_dma.vaddr, sizeof (uint16_t),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04));
if (idx < IWN_SCHED_WINSZ64) {
*(w + IWN_TX_RING_COUNT256) = *w;
bus_dmamap_sync(sc->sc_dmat, sc->sched_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04))
    (caddr_t)(w + IWN_TX_RING_COUNT) - sc->sched_dma.vaddr,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04))
    sizeof (uint16_t), BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04));
}
3276}

3278void
3279iwn4965_reset_sched(struct iwn_softc *sc, int qid, int idx)
3280{
/* TBD */
3282}

3284void
3285iwn5000_update_sched(struct iwn_softc *sc, int qid, int idx, uint8_t id,
  uint16_t len)
3287{
uint16_t *w = &sc->sched[qid * IWN5000_SCHED_COUNT(256 + 64) + idx];

*w = htole16(id << 12 | (len + 8))((__uint16_t)(id << 12 | (len + 8)));
bus_dmamap_sync(sc->sc_dmat, sc->sched_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04))
   (caddr_t)w - sc->sched_dma.vaddr, sizeof (uint16_t),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04));
if (idx < IWN_SCHED_WINSZ64) {
*(w + IWN_TX_RING_COUNT256) = *w;
bus_dmamap_sync(sc->sc_dmat, sc->sched_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04))
    (caddr_t)(w + IWN_TX_RING_COUNT) - sc->sched_dma.vaddr,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04))
    sizeof (uint16_t), BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04));
}
3300}

3302void
3303iwn5000_reset_sched(struct iwn_softc *sc, int qid, int idx)
3304{
uint16_t *w = &sc->sched[qid * IWN5000_SCHED_COUNT(256 + 64) + idx];

*w = (*w & htole16(0xf000)((__uint16_t)(0xf000))) | htole16(1)((__uint16_t)(1));
bus_dmamap_sync(sc->sc_dmat, sc->sched_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04))
   (caddr_t)w - sc->sched_dma.vaddr, sizeof (uint16_t),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)w - sc->sched_dma.vaddr), (sizeof
 (uint16_t)), (0x04));
if (idx < IWN_SCHED_WINSZ64) {
*(w + IWN_TX_RING_COUNT256) = *w;
bus_dmamap_sync(sc->sc_dmat, sc->sched_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04))
    (caddr_t)(w + IWN_TX_RING_COUNT) - sc->sched_dma.vaddr,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04))
    sizeof (uint16_t), BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc->
sched_dma.map), ((caddr_t)(w + 256) - sc->sched_dma.vaddr)
, (sizeof (uint16_t)), (0x04));
}
3317}

3319int
3320iwn_rval2ridx(int rval)
3321{
int ridx;

for (ridx = 0; ridx < nitems(iwn_rates)(sizeof((iwn_rates)) / sizeof((iwn_rates)[0])); ridx++) {
if (rval == iwn_rates[ridx].rate)
	break;
}

return ridx;
3330}

3332int
3333iwn_tx(struct iwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
3334{
struct iwn_ops *ops = &sc->ops;
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_node *wn = (void *)ni;
struct iwn_tx_ring *ring;
struct iwn_tx_desc *desc;
struct iwn_tx_data *data;
struct iwn_tx_cmd *cmd;
struct iwn_cmd_data *tx;
const struct iwn_rate *rinfo;
struct ieee80211_frame *wh;
struct ieee80211_key *k = NULL((void *)0);
enum ieee80211_edca_ac ac;
int qid;
uint32_t flags;
uint16_t qos;
u_int hdrlen;
bus_dma_segment_t *seg;
uint8_t *ivp, tid, ridx, txant, type, subtype;
int i, totlen, hasqos, error, pad;

wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data));
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK0x0c;
subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK0xf0;
if (type == IEEE80211_FC0_TYPE_CTL0x04)
hdrlen = sizeof(struct ieee80211_frame_min);
else
hdrlen = ieee80211_get_hdrlen(wh);

if ((hasqos = ieee80211_has_qos(wh))) {
/* Select EDCA Access Category and TX ring for this frame. */
struct ieee80211_tx_ba *ba;
qos = ieee80211_get_qos(wh);
tid = qos & IEEE80211_QOS_TID0x000f;
ac = ieee80211_up_to_ac(ic, tid);
qid = ac;

/* If possible, put this frame on an aggregation queue. */
if (sc->sc_tx_ba[tid].wn == wn) {
	ba = &ni->ni_tx_ba[tid];
	if (!IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) &&
	    ba->ba_state == IEEE80211_BA_AGREED2) {
		qid = sc->first_agg_txq + tid;
		if (sc->qfullmsk & (1 << qid)) {
			m_freem(m);
			return ENOBUFS55;
		}
	}
}
} else {
qos = 0;
tid = IWN_NONQOS_TID8;
ac = EDCA_AC_BE;
qid = ac;
}

ring = &sc->txq[qid];
desc = &ring->desc[ring->cur];
data = &ring->data[ring->cur];

/* Choose a TX rate index. */
if (IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) ||
   type != IEEE80211_FC0_TYPE_DATA0x08)
ridx = iwn_rval2ridx(ieee80211_min_basic_rate(ic));
else if (ic->ic_fixed_mcs != -1)
ridx = sc->fixed_ridx;
else if (ic->ic_fixed_rate != -1)
ridx = sc->fixed_ridx;
else {
if (ni->ni_flags & IEEE80211_NODE_HT0x0400)
	ridx = iwn_mcs2ridx[ni->ni_txmcs];
else
	ridx = wn->ridx[ni->ni_txrate];
}
rinfo = &iwn_rates[ridx];
3409#if NBPFILTER1 > 0
if (sc->sc_drvbpf != NULL((void *)0)) {
struct iwn_tx_radiotap_header *tap = &sc->sc_txtapsc_txtapu.th;
uint16_t chan_flags;

tap->wt_flags = 0;
tap->wt_chan_freq = htole16(ni->ni_chan->ic_freq)((__uint16_t)(ni->ni_chan->ic_freq));
chan_flags = ni->ni_chan->ic_flags;
if (ic->ic_curmode != IEEE80211_MODE_11N)
	chan_flags &= ~IEEE80211_CHAN_HT0x2000;
tap->wt_chan_flags = htole16(chan_flags)((__uint16_t)(chan_flags));
if ((ni->ni_flags & IEEE80211_NODE_HT0x0400) &&
    !IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) &&
    type == IEEE80211_FC0_TYPE_DATA0x08) {
	tap->wt_rate = (0x80 | ni->ni_txmcs);
} else
	tap->wt_rate = rinfo->rate;
if ((ic->ic_flags & IEEE80211_F_WEPON0x00000100) &&
    (wh->i_fc[1] & IEEE80211_FC1_PROTECTED0x40))
	tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP0x04;

bpf_mtap_hdr(sc->sc_drvbpf, tap, sc->sc_txtap_len,
    m, BPF_DIRECTION_OUT(1 << 1));
}
3433#endif

totlen = m->m_pkthdrM_dat.MH.MH_pkthdr.len;

/* Encrypt the frame if need be. */
if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED0x40) {
/* Retrieve key for TX. */
k = ieee80211_get_txkey(ic, wh, ni);
if (k->k_cipher != IEEE80211_CIPHER_CCMP) {
	/* Do software encryption. */
	if ((m = ieee80211_encrypt(ic, m, k)) == NULL((void *)0))
		return ENOBUFS55;
	/* 802.11 header may have moved. */
	wh = mtod(m, struct ieee80211_frame *)((struct ieee80211_frame *)((m)->m_hdr.mh_data));
	totlen = m->m_pkthdrM_dat.MH.MH_pkthdr.len;

} else	/* HW appends CCMP MIC. */
	totlen += IEEE80211_CCMP_HDRLEN8;
}

data->totlen = totlen;

/* Prepare TX firmware command. */
cmd = &ring->cmd[ring->cur];
cmd->code = IWN_CMD_TX_DATA28;
cmd->flags = 0;
cmd->qid = ring->qid;
cmd->idx = ring->cur;

tx = (struct iwn_cmd_data *)cmd->data;
/* NB: No need to clear tx, all fields are reinitialized here. */
tx->scratch = 0;	/* clear "scratch" area */

flags = 0;
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01)) {
/* Unicast frame, check if an ACK is expected. */
if (!hasqos || (qos & IEEE80211_QOS_ACK_POLICY_MASK0x0060) !=
    IEEE80211_QOS_ACK_POLICY_NOACK0x0020)
	flags |= IWN_TX_NEED_ACK(1 << 3);
}
if (type == IEEE80211_FC0_TYPE_CTL0x04 &&
   subtype == IEEE80211_FC0_SUBTYPE_BAR0x80) {
struct ieee80211_frame_min *mwh;
uint8_t *barfrm;
uint16_t ctl;
mwh = mtod(m, struct ieee80211_frame_min *)((struct ieee80211_frame_min *)((m)->m_hdr.mh_data));
barfrm = (uint8_t *)&mwh[1];
ctl = LE_READ_2(barfrm)((u_int16_t) ((((const u_int8_t *)(barfrm))[0]) | (((const u_int8_t
 *)(barfrm))[1] << 8)));
tid = (ctl & IEEE80211_BA_TID_INFO_MASK0xf000) >>
    IEEE80211_BA_TID_INFO_SHIFT12;
flags |= (IWN_TX_NEED_ACK(1 << 3) | IWN_TX_IMM_BA(1 << 6));
}

if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG0x04)
flags |= IWN_TX_MORE_FRAG(1 << 14);	/* Cannot happen yet. */

/* Check if frame must be protected using RTS/CTS or CTS-to-self. */
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01)) {
/* NB: Group frames are sent using CCK in 802.11b/g/n (2GHz). */
if (totlen + IEEE80211_CRC_LEN4 > ic->ic_rtsthreshold) {
	flags |= IWN_TX_NEED_RTS(1 << 1);
} else if ((ic->ic_flags & IEEE80211_F_USEPROT0x00100000) &&
    ridx >= IWN_RIDX_OFDM64) {
	if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
		flags |= IWN_TX_NEED_CTS(1 << 2);
	else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
		flags |= IWN_TX_NEED_RTS(1 << 1);
}

if (flags & (IWN_TX_NEED_RTS(1 << 1) | IWN_TX_NEED_CTS(1 << 2))) {
	if (sc->hw_type != IWN_HW_REV_TYPE_49650) {
		/* 5000 autoselects RTS/CTS or CTS-to-self. */
		flags &= ~(IWN_TX_NEED_RTS(1 << 1) | IWN_TX_NEED_CTS(1 << 2));
		flags |= IWN_TX_NEED_PROTECTION(1 << 0);
	} else
		flags |= IWN_TX_FULL_TXOP(1 << 7);
}
}

if (type == IEEE80211_FC0_TYPE_CTL0x04 &&
   subtype == IEEE80211_FC0_SUBTYPE_BAR0x80)
tx->id = wn->id;
else if (IEEE80211_IS_MULTICAST(wh->i_addr1)(*(wh->i_addr1) & 0x01) ||
   type != IEEE80211_FC0_TYPE_DATA0x08)
tx->id = sc->broadcast_id;
else
tx->id = wn->id;

if (type == IEEE80211_FC0_TYPE_MGT0x00) {
3522#ifndef IEEE80211_STA_ONLY
/* Tell HW to set timestamp in probe responses. */
if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP0x50)
	flags |= IWN_TX_INSERT_TSTAMP(1 << 16);
3526#endif
if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ0x00 ||
    subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ0x20)
	tx->timeout = htole16(3)((__uint16_t)(3));
else
	tx->timeout = htole16(2)((__uint16_t)(2));
} else
tx->timeout = htole16(0)((__uint16_t)(0));

if (hdrlen & 3) {
/* First segment length must be a multiple of 4. */
flags |= IWN_TX_NEED_PADDING(1 << 20);
pad = 4 - (hdrlen & 3);
} else
pad = 0;

tx->len = htole16(totlen)((__uint16_t)(totlen));
tx->tid = tid;
tx->rts_ntries = 60;
tx->data_ntries = 15;
tx->lifetime = htole32(IWN_LIFETIME_INFINITE)((__uint32_t)(0xffffffff));

if ((ni->ni_flags & IEEE80211_NODE_HT0x0400) &&
   tx->id != sc->broadcast_id)
tx->plcp = rinfo->ht_plcp;
else
tx->plcp = rinfo->plcp;

if ((ni->ni_flags & IEEE80211_NODE_HT0x0400) &&
   tx->id != sc->broadcast_id) {
tx->rflags = rinfo->ht_flags;
if (iwn_rxon_ht40_enabled(sc))
	tx->rflags |= IWN_RFLAG_HT40(1 << 3);
if (ieee80211_ra_use_ht_sgi(ni))
	tx->rflags |= IWN_RFLAG_SGI(1 << 5);
}
else
tx->rflags = rinfo->flags;
if (tx->id == sc->broadcast_id || ic->ic_fixed_mcs != -1 ||
   ic->ic_fixed_rate != -1) {
/* Group or management frame, or fixed Tx rate. */
tx->linkq = 0;
/* XXX Alternate between antenna A and B? */
txant = IWN_LSB(sc->txchainmask)((((sc->txchainmask) - 1) & (sc->txchainmask)) ^ (sc
->txchainmask));
tx->rflags |= IWN_RFLAG_ANT(txant)((txant) << 6);
} else {
tx->linkq = 0; /* initial index into firmware LQ retry table */
flags |= IWN_TX_LINKQ(1 << 4);	/* enable multi-rate retry */
}
/* Set physical address of "scratch area". */
tx->loaddr = htole32(IWN_LOADDR(data->scratch_paddr))((__uint32_t)(((uint32_t)(data->scratch_paddr))));
tx->hiaddr = IWN_HIADDR(data->scratch_paddr)(((data->scratch_paddr) >> 32) & 0xf);

/* Copy 802.11 header in TX command. */
memcpy((uint8_t *)(tx + 1), wh, hdrlen)__builtin_memcpy(((uint8_t *)(tx + 1)), (wh), (hdrlen));

if (k != NULL((void *)0) && k->k_cipher == IEEE80211_CIPHER_CCMP) {
/* Trim 802.11 header and prepend CCMP IV. */
m_adj(m, hdrlen - IEEE80211_CCMP_HDRLEN8);
ivp = mtod(m, uint8_t *)((uint8_t *)((m)->m_hdr.mh_data));
k->k_tsc++;
ivp[0] = k->k_tsc;
ivp[1] = k->k_tsc >> 8;
ivp[2] = 0;
ivp[3] = k->k_id << 6 | IEEE80211_WEP_EXTIV0x20;
ivp[4] = k->k_tsc >> 16;
ivp[5] = k->k_tsc >> 24;
ivp[6] = k->k_tsc >> 32;
ivp[7] = k->k_tsc >> 40;

tx->security = IWN_CIPHER_CCMP2;
if (qid >= sc->first_agg_txq)
	flags |= IWN_TX_AMPDU_CCMP(1 << 22);
memcpy(tx->key, k->k_key, k->k_len)__builtin_memcpy((tx->key), (k->k_key), (k->k_len));

/* TX scheduler includes CCMP MIC len w/5000 Series. */
if (sc->hw_type != IWN_HW_REV_TYPE_49650)
	totlen += IEEE80211_CCMP_MICLEN8;
} else {
/* Trim 802.11 header. */
m_adj(m, hdrlen);
tx->security = 0;
}
tx->flags = htole32(flags)((__uint32_t)(flags));

error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m,(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), (
data->map), (m), (0x0001 | 0x0400))
   BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), (
data->map), (m), (0x0001 | 0x0400));
if (error != 0 && error != EFBIG27) {
printf("%s: can't map mbuf (error %d)\n",
    sc->sc_dev.dv_xname, error);
m_freem(m);
return error;
}
if (error != 0) {
/* Too many DMA segments, linearize mbuf. */
if (m_defrag(m, M_DONTWAIT0x0002)) {
	m_freem(m);
	return ENOBUFS55;
}
error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m,(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), (
data->map), (m), (0x0001 | 0x0400))
    BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), (
data->map), (m), (0x0001 | 0x0400));
if (error != 0) {
	printf("%s: can't map mbuf (error %d)\n",
	    sc->sc_dev.dv_xname, error);
	m_freem(m);
	return error;
}
}

data->m = m;
data->ni = ni;
data->ampdu_txmcs = ni->ni_txmcs; /* updated upon Tx interrupt */

DPRINTFN(4, ("sending data: qid=%d idx=%d len=%d nsegs=%d\n",
   ring->qid, ring->cur, m->m_pkthdr.len, data->map->dm_nsegs));

/* Fill TX descriptor. */
desc->nsegs = 1 + data->map->dm_nsegs;
/* First DMA segment is used by the TX command. */
desc->segs[0].addr = htole32(IWN_LOADDR(data->cmd_paddr))((__uint32_t)(((uint32_t)(data->cmd_paddr))));
desc->segs[0].len  = htole16(IWN_HIADDR(data->cmd_paddr) |((__uint16_t)((((data->cmd_paddr) >> 32) & 0xf) |
 (4 + sizeof (*tx) + hdrlen + pad) << 4))
   (4 + sizeof (*tx) + hdrlen + pad) << 4)((__uint16_t)((((data->cmd_paddr) >> 32) & 0xf) |
 (4 + sizeof (*tx) + hdrlen + pad) << 4));
/* Other DMA segments are for data payload. */
seg = data->map->dm_segs;
for (i = 1; i <= data->map->dm_nsegs; i++) {
desc->segs[i].addr = htole32(IWN_LOADDR(seg->ds_addr))((__uint32_t)(((uint32_t)(seg->ds_addr))));
desc->segs[i].len  = htole16(IWN_HIADDR(seg->ds_addr) |((__uint16_t)((((seg->ds_addr) >> 32) & 0xf) | seg
->ds_len << 4))
    seg->ds_len << 4)((__uint16_t)((((seg->ds_addr) >> 32) & 0xf) | seg
->ds_len << 4));
seg++;
}

bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (data->map->dm_mapsize), (0x04));
bus_dmamap_sync(sc->sc_dmat, ring->cmd_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (sizeof
 (*cmd)), (0x04))
   (caddr_t)cmd - ring->cmd_dma.vaddr, sizeof (*cmd),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (sizeof
 (*cmd)), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (sizeof
 (*cmd)), (0x04));
bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof
 (*desc)), (0x04))
   (caddr_t)desc - ring->desc_dma.vaddr, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof
 (*desc)), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof
 (*desc)), (0x04));

/* Update TX scheduler. */
ops->update_sched(sc, ring->qid, ring->cur, tx->id, totlen);

/* Kick TX ring. */
ring->cur = (ring->cur + 1) % IWN_TX_RING_COUNT256;
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
ring->qid << 8 | ring->cur))));

/* Mark TX ring as full if we reach a certain threshold. */
if (++ring->queued > IWN_TX_RING_HIMARK224)
sc->qfullmsk |= 1 << ring->qid;

return 0;
3678}

3680void
3681iwn_start(struct ifnet *ifp)
3682{
struct iwn_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_node *ni;
struct mbuf *m;

if (!(ifp->if_flags & IFF_RUNNING0x40) || ifq_is_oactive(&ifp->if_snd))
return;

for (;;) {
if (sc->qfullmsk != 0) {
	ifq_set_oactive(&ifp->if_snd);
	break;
}

/* Send pending management frames first. */
m = mq_dequeue(&ic->ic_mgtq);
if (m != NULL((void *)0)) {
	ni = m->m_pkthdrM_dat.MH.MH_pkthdr.ph_cookie;
	goto sendit;
}
if (ic->ic_state != IEEE80211_S_RUN ||
    (ic->ic_xflags & IEEE80211_F_TX_MGMT_ONLY0x00000001))
	break;

/* Encapsulate and send data frames. */
m = ifq_dequeue(&ifp->if_snd);
if (m == NULL((void *)0))
	break;
3711#if NBPFILTER1 > 0
if (ifp->if_bpf != NULL((void *)0))
	bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT(1 << 1));
3714#endif
if ((m = ieee80211_encap(ifp, m, &ni)) == NULL((void *)0))
	continue;
3717sendit:
3718#if NBPFILTER1 > 0
if (ic->ic_rawbpf != NULL((void *)0))
	bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_OUT(1 << 1));
3721#endif
if (iwn_tx(sc, m, ni) != 0) {
	ieee80211_release_node(ic, ni);
	ifp->if_oerrorsif_data.ifi_oerrors++;
	continue;
}

sc->sc_tx_timer = 5;
ifp->if_timer = 1;
}
3731}

3733void
3734iwn_watchdog(struct ifnet *ifp)
3735{
struct iwn_softc *sc = ifp->if_softc;

ifp->if_timer = 0;

if (sc->sc_tx_timer > 0) {
if (--sc->sc_tx_timer == 0) {
	printf("%s: device timeout\n", sc->sc_dev.dv_xname);
	iwn_stop(ifp);
	ifp->if_oerrorsif_data.ifi_oerrors++;
	return;
}
ifp->if_timer = 1;
}

ieee80211_watchdog(ifp);
3751}

3753int
3754iwn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3755{
struct iwn_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
int s, error = 0;

error = rw_enter(&sc->sc_rwlock, RW_WRITE0x0001UL | RW_INTR0x0010UL);
if (error)
return error;
s = splnet()splraise(0x7);

switch (cmd) {
case SIOCSIFADDR((unsigned long)0x80000000 | ((sizeof(struct ifreq) & 0x1fff
) << 16) | ((('i')) << 8) | ((12))):
ifp->if_flags |= IFF_UP0x1;
/* FALLTHROUGH */
case SIOCSIFFLAGS((unsigned long)0x80000000 | ((sizeof(struct ifreq) & 0x1fff
) << 16) | ((('i')) << 8) | ((16))):
if (ifp->if_flags & IFF_UP0x1) {
	if (!(ifp->if_flags & IFF_RUNNING0x40))
		error = iwn_init(ifp);
} else {
	if (ifp->if_flags & IFF_RUNNING0x40)
		iwn_stop(ifp);
}
break;

case SIOCS80211POWER((unsigned long)0x80000000 | ((sizeof(struct ieee80211_power)
 & 0x1fff) << 16) | ((('i')) << 8) | ((234))):
error = ieee80211_ioctl(ifp, cmd, data);
if (error != ENETRESET52)
	break;
if (ic->ic_state == IEEE80211_S_RUN &&
    sc->calib.state == IWN_CALIB_STATE_RUN2) {
	if (ic->ic_flags & IEEE80211_F_PMGTON0x00000400)
		error = iwn_set_pslevel(sc, 0, 3, 0);
	else	/* back to CAM */
		error = iwn_set_pslevel(sc, 0, 0, 0);
} else {
	/* Defer until transition to IWN_CALIB_STATE_RUN. */
	error = 0;
}
break;

default:
error = ieee80211_ioctl(ifp, cmd, data);
}

if (error == ENETRESET52) {
error = 0;
if ((ifp->if_flags & (IFF_UP0x1 | IFF_RUNNING0x40)) ==
    (IFF_UP0x1 | IFF_RUNNING0x40)) {
	iwn_stop(ifp);
	error = iwn_init(ifp);
}
}

splx(s)spllower(s);
rw_exit_write(&sc->sc_rwlock);
return error;
3811}

3813/*
* Send a command to the firmware.
*/
3816int
3817iwn_cmd(struct iwn_softc *sc, int code, const void *buf, int size, int async)
3818{
struct iwn_ops *ops = &sc->ops;
struct iwn_tx_ring *ring = &sc->txq[4];
struct iwn_tx_desc *desc;
struct iwn_tx_data *data;
struct iwn_tx_cmd *cmd;
struct mbuf *m;
bus_addr_t paddr;
int totlen, error;

desc = &ring->desc[ring->cur];
data = &ring->data[ring->cur];
totlen = 4 + size;

if (size > sizeof cmd->data) {
/* Command is too large to fit in a descriptor. */
if (totlen > MCLBYTES(1 << 11))
	return EINVAL22;
MGETHDR(m, M_DONTWAIT, MT_DATA)m = m_gethdr((0x0002), (1));
if (m == NULL((void *)0))
	return ENOMEM12;
if (totlen > MHLEN((256 - sizeof(struct m_hdr)) - sizeof(struct pkthdr))) {
	MCLGET(m, M_DONTWAIT)(void) m_clget((m), (0x0002), (1 << 11));
	if (!(m->m_flagsm_hdr.mh_flags & M_EXT0x0001)) {
		m_freem(m);
		return ENOMEM12;
	}
}
cmd = mtod(m, struct iwn_tx_cmd *)((struct iwn_tx_cmd *)((m)->m_hdr.mh_data));
error = bus_dmamap_load(sc->sc_dmat, data->map, cmd, totlen,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (cmd), (totlen), (((void *)0)), (0x0001 | 0x0400))
    NULL, BUS_DMA_NOWAIT | BUS_DMA_WRITE)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (data->
map), (cmd), (totlen), (((void *)0)), (0x0001 | 0x0400));
if (error != 0) {
	m_freem(m);
	return error;
}
data->m = m;
paddr = data->map->dm_segs[0].ds_addr;
} else {
cmd = &ring->cmd[ring->cur];
paddr = data->cmd_paddr;
}

cmd->code = code;
cmd->flags = 0;
cmd->qid = ring->qid;
cmd->idx = ring->cur;
memcpy(cmd->data, buf, size)__builtin_memcpy((cmd->data), (buf), (size));

desc->nsegs = 1;
desc->segs[0].addr = htole32(IWN_LOADDR(paddr))((__uint32_t)(((uint32_t)(paddr))));
desc->segs[0].len  = htole16(IWN_HIADDR(paddr) | totlen << 4)((__uint16_t)((((paddr) >> 32) & 0xf) | totlen <<
 4));

if (size > sizeof cmd->data) {
bus_dmamap_sync(sc->sc_dmat, data->map, 0, totlen,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (totlen), (0x04))
    BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (data->
map), (0), (totlen), (0x04));
} else {
bus_dmamap_sync(sc->sc_dmat, ring->cmd_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (totlen
), (0x04))
    (caddr_t)cmd - ring->cmd_dma.vaddr, totlen,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (totlen
), (0x04))
    BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
cmd_dma.map), ((caddr_t)cmd - ring->cmd_dma.vaddr), (totlen
), (0x04));
}
bus_dmamap_sync(sc->sc_dmat, ring->desc_dma.map,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof
 (*desc)), (0x04))
   (caddr_t)desc - ring->desc_dma.vaddr, sizeof (*desc),(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof
 (*desc)), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (ring->
desc_dma.map), ((caddr_t)desc - ring->desc_dma.vaddr), (sizeof
 (*desc)), (0x04));

/* Update TX scheduler. */
ops->update_sched(sc, ring->qid, ring->cur, 0, 0);

/* Kick command ring. */
ring->cur = (ring->cur + 1) % IWN_TX_RING_COUNT256;
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
ring->qid << 8 | ring->cur))));

return async ? 0 : tsleep_nsec(desc, PCATCH0x100, "iwncmd", SEC_TO_NSEC(1));
3890}

3892int
3893iwn4965_add_node(struct iwn_softc *sc, struct iwn_node_info *node, int async)
3894{
struct iwn4965_node_info hnode;
caddr_t src, dst;

/*
* We use the node structure for 5000 Series internally (it is
* a superset of the one for 4965AGN). We thus copy the common
* fields before sending the command.
*/
src = (caddr_t)node;
dst = (caddr_t)&hnode;
memcpy(dst, src, 48)__builtin_memcpy((dst), (src), (48));
/* Skip TSC, RX MIC and TX MIC fields from ``src''. */
memcpy(dst + 48, src + 72, 20)__builtin_memcpy((dst + 48), (src + 72), (20));
return iwn_cmd(sc, IWN_CMD_ADD_NODE24, &hnode, sizeof hnode, async);
3909}

3911int
3912iwn5000_add_node(struct iwn_softc *sc, struct iwn_node_info *node, int async)
3913{
/* Direct mapping. */
return iwn_cmd(sc, IWN_CMD_ADD_NODE24, node, sizeof (*node), async);
3916}

3918int
3919iwn_set_link_quality(struct iwn_softc *sc, struct ieee80211_node *ni)
3920{
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_node *wn = (void *)ni;
struct iwn_cmd_link_quality linkq;
const struct iwn_rate *rinfo;
uint8_t txant;
int i;

/* Use the first valid TX antenna. */
txant = IWN_LSB(sc->txchainmask)((((sc->txchainmask) - 1) & (sc->txchainmask)) ^ (sc
->txchainmask));

memset(&linkq, 0, sizeof linkq)__builtin_memset((&linkq), (0), (sizeof linkq));
linkq.id = wn->id;
linkq.antmsk_1stream = txant;
linkq.antmsk_2stream = IWN_ANT_AB((1 << 0) | (1 << 1));
linkq.ampdu_max = IWN_AMPDU_MAX63;
linkq.ampdu_threshold = 3;
linkq.ampdu_limit = htole16(4000)((__uint16_t)(4000));	/* 4ms */

i = 0;
if (ni->ni_flags & IEEE80211_NODE_HT0x0400) {
int txmcs;
for (txmcs = ni->ni_txmcs; txmcs >= 0; txmcs--) {
	rinfo = &iwn_rates[iwn_mcs2ridx[txmcs]];
	linkq.retry[i].plcp = rinfo->ht_plcp;
	linkq.retry[i].rflags = rinfo->ht_flags;

	/* XXX set correct ant mask for MIMO rates here */
	linkq.retry[i].rflags |= IWN_RFLAG_ANT(txant)((txant) << 6);

	/* First two Tx attempts may use 40MHz/SGI. */
	if (i < 2) {
		if (iwn_rxon_ht40_enabled(sc))
			linkq.retry[i].rflags |= IWN_RFLAG_HT40(1 << 3);
		if (ieee80211_ra_use_ht_sgi(ni))
			linkq.retry[i].rflags |= IWN_RFLAG_SGI(1 << 5);
	}

	if (++i >= IWN_MAX_TX_RETRIES16)
		break;
}
} else {
int txrate;
for (txrate = ni->ni_txrate; txrate >= 0; txrate--) {
	rinfo = &iwn_rates[wn->ridx[txrate]];
	linkq.retry[i].plcp = rinfo->plcp;
	linkq.retry[i].rflags = rinfo->flags;
	linkq.retry[i].rflags |= IWN_RFLAG_ANT(txant)((txant) << 6);
	if (++i >= IWN_MAX_TX_RETRIES16)
		break;
}
}

/* Fill the rest with the lowest basic rate. */
rinfo = &iwn_rates[iwn_rval2ridx(ieee80211_min_basic_rate(ic))];
while (i < IWN_MAX_TX_RETRIES16) {
linkq.retry[i].plcp = rinfo->plcp;
linkq.retry[i].rflags = rinfo->flags;
linkq.retry[i].rflags |= IWN_RFLAG_ANT(txant)((txant) << 6);
i++;
}

return iwn_cmd(sc, IWN_CMD_LINK_QUALITY78, &linkq, sizeof linkq, 1);
3983}

3985/*
* Broadcast node is used to send group-addressed and management frames.
*/
3988int
3989iwn_add_broadcast_node(struct iwn_softc *sc, int async, int ridx)
3990{
struct iwn_ops *ops = &sc->ops;
struct iwn_node_info node;
struct iwn_cmd_link_quality linkq;
const struct iwn_rate *rinfo;
uint8_t txant;
int i, error;

memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node));
IEEE80211_ADDR_COPY(node.macaddr, etherbroadcastaddr)__builtin_memcpy((node.macaddr), (etherbroadcastaddr), (6));
node.id = sc->broadcast_id;
DPRINTF(("adding broadcast node\n"));
if ((error = ops->add_node(sc, &node, async)) != 0)
return error;

/* Use the first valid TX antenna. */
txant = IWN_LSB(sc->txchainmask)((((sc->txchainmask) - 1) & (sc->txchainmask)) ^ (sc
->txchainmask));

memset(&linkq, 0, sizeof linkq)__builtin_memset((&linkq), (0), (sizeof linkq));
linkq.id = sc->broadcast_id;
linkq.antmsk_1stream = txant;
linkq.antmsk_2stream = IWN_ANT_AB((1 << 0) | (1 << 1));
linkq.ampdu_max = IWN_AMPDU_MAX_NO_AGG1;
linkq.ampdu_threshold = 3;
linkq.ampdu_limit = htole16(4000)((__uint16_t)(4000));	/* 4ms */

/* Use lowest mandatory bit-rate. */
rinfo = &iwn_rates[ridx];
linkq.retry[0].plcp = rinfo->plcp;
linkq.retry[0].rflags = rinfo->flags;
linkq.retry[0].rflags |= IWN_RFLAG_ANT(txant)((txant) << 6);
/* Use same bit-rate for all TX retries. */
for (i = 1; i < IWN_MAX_TX_RETRIES16; i++) {
linkq.retry[i].plcp = linkq.retry[0].plcp;
linkq.retry[i].rflags = linkq.retry[0].rflags;
}
return iwn_cmd(sc, IWN_CMD_LINK_QUALITY78, &linkq, sizeof linkq, async);
4027}

4029void
4030iwn_updateedca(struct ieee80211com *ic)
4031{
4032#define IWN_EXP2(x)	((1 << (x)) - 1)	/* CWmin = 2^ECWmin - 1 */
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
struct iwn_edca_params cmd;
int aci;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.flags = htole32(IWN_EDCA_UPDATE)((__uint32_t)((1 << 0)));
for (aci = 0; aci < EDCA_NUM_AC4; aci++) {
const struct ieee80211_edca_ac_params *ac =
    &ic->ic_edca_ac[aci];
cmd.ac[aci].aifsn = ac->ac_aifsn;
cmd.ac[aci].cwmin = htole16(IWN_EXP2(ac->ac_ecwmin))((__uint16_t)(IWN_EXP2(ac->ac_ecwmin)));
cmd.ac[aci].cwmax = htole16(IWN_EXP2(ac->ac_ecwmax))((__uint16_t)(IWN_EXP2(ac->ac_ecwmax)));
cmd.ac[aci].txoplimit =
    htole16(IEEE80211_TXOP_TO_US(ac->ac_txoplimit))((__uint16_t)(((ac->ac_txoplimit) * 32)));
}
(void)iwn_cmd(sc, IWN_CMD_EDCA_PARAMS19, &cmd, sizeof cmd, 1);
4049#undef IWN_EXP2
4050}

4052void
4053iwn_set_led(struct iwn_softc *sc, uint8_t which, uint8_t off, uint8_t on)
4054{
struct iwn_cmd_led led;

/* Clear microcode LED ownership. */
IWN_CLRBITS(sc, IWN_LED, IWN_LED_BSM_CTRL)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x094)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x094)))) &
 ~((1 << 5))))));

led.which = which;
led.unit = htole32(10000)((__uint32_t)(10000));	/* on/off in unit of 100ms */
led.off = off;
led.on = on;
(void)iwn_cmd(sc, IWN_CMD_SET_LED72, &led, sizeof led, 1);
4065}

4067/*
* Set the critical temperature at which the firmware will stop the radio
* and notify us.
*/
4071int
4072iwn_set_critical_temp(struct iwn_softc *sc)
4073{
struct iwn_critical_temp crit;
int32_t temp;

IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_CTEMP_STOP_RF)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), ((
(1 << 3)))));

if (sc->hw_type == IWN_HW_REV_TYPE_51504)
temp = (IWN_CTOK(110)((110) + 273) - sc->temp_off) * -5;
else if (sc->hw_type == IWN_HW_REV_TYPE_49650)
temp = IWN_CTOK(110)((110) + 273);
else
temp = 110;
memset(&crit, 0, sizeof crit)__builtin_memset((&crit), (0), (sizeof crit));
crit.tempR = htole32(temp)((__uint32_t)(temp));
DPRINTF(("setting critical temperature to %d\n", temp));
return iwn_cmd(sc, IWN_CMD_SET_CRITICAL_TEMP164, &crit, sizeof crit, 0);
4089}

4091int
4092iwn_set_timing(struct iwn_softc *sc, struct ieee80211_node *ni)
4093{
struct iwn_cmd_timing cmd;
uint64_t val, mod;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
memcpy(&cmd.tstamp, ni->ni_tstamp, sizeof (uint64_t))__builtin_memcpy((&cmd.tstamp), (ni->ni_tstamp), (sizeof
 (uint64_t)));
cmd.bintval = htole16(ni->ni_intval)((__uint16_t)(ni->ni_intval));
cmd.lintval = htole16(10)((__uint16_t)(10));

/* Compute remaining time until next beacon. */
val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU1024;
mod = letoh64(cmd.tstamp)((__uint64_t)(cmd.tstamp)) % val;
cmd.binitval = htole32((uint32_t)(val - mod))((__uint32_t)((uint32_t)(val - mod)));

DPRINTF(("timing bintval=%u, tstamp=%llu, init=%u\n",
   ni->ni_intval, letoh64(cmd.tstamp), (uint32_t)(val - mod)));

return iwn_cmd(sc, IWN_CMD_TIMING20, &cmd, sizeof cmd, 1);
4111}

4113void
4114iwn4965_power_calibration(struct iwn_softc *sc, int temp)
4115{
/* Adjust TX power if need be (delta >= 3 degC). */
DPRINTF(("temperature %d->%d\n", sc->temp, temp));
if (abs(temp - sc->temp) >= 3) {
/* Record temperature of last calibration. */
sc->temp = temp;
(void)iwn4965_set_txpower(sc, 1);
}
4123}

4125/*
* Set TX power for current channel (each rate has its own power settings).
* This function takes into account the regulatory information from EEPROM,
* the current temperature and the current voltage.
*/
4130int
4131iwn4965_set_txpower(struct iwn_softc *sc, int async)
4132{
4133/* Fixed-point arithmetic division using a n-bit fractional part. */
4134#define fdivround(a, b, n)	\
((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n))
4136/* Linear interpolation. */
4137#define interpolate(x, x1, y1, x2, y2, n)	\
((y1) + fdivround(((int)(x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n))

static const int tdiv[IWN_NATTEN_GROUPS5] = { 9, 8, 8, 8, 6 };
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_ucode_info *uc = &sc->ucode_info;
struct ieee80211_channel *ch;
struct iwn4965_cmd_txpower cmd;
struct iwn4965_eeprom_chan_samples *chans;
const uint8_t *rf_gain, *dsp_gain;
int32_t vdiff, tdiff;
int i, c, grp, maxpwr, is_ht40 = 0;
uint8_t chan, ext_chan;

/* Retrieve current channel from last RXON. */
chan = sc->rxon.chan;
DPRINTF(("setting TX power for channel %d\n", chan));
ch = &ic->ic_channels[chan];

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.band = IEEE80211_IS_CHAN_5GHZ(ch)(((ch)->ic_flags & 0x0100) != 0) ? 0 : 1;
cmd.chan = chan;

if (IEEE80211_IS_CHAN_5GHZ(ch)(((ch)->ic_flags & 0x0100) != 0)) {
maxpwr   = sc->maxpwr5GHz;
rf_gain  = iwn4965_rf_gain_5ghz;
dsp_gain = iwn4965_dsp_gain_5ghz;
} else {
maxpwr   = sc->maxpwr2GHz;
rf_gain  = iwn4965_rf_gain_2ghz;
dsp_gain = iwn4965_dsp_gain_2ghz;
}

/* Compute voltage compensation. */
vdiff = ((int32_t)letoh32(uc->volt)((__uint32_t)(uc->volt)) - sc->eeprom_voltage) / 7;
if (vdiff > 0)
vdiff *= 2;
if (abs(vdiff) > 2)
vdiff = 0;
DPRINTF(("voltage compensation=%d (UCODE=%d, EEPROM=%d)\n",
   vdiff, letoh32(uc->volt), sc->eeprom_voltage));

/* Get channel attenuation group. */
if (chan <= 20)		/* 1-20 */
grp = 4;
else if (chan <= 43)	/* 34-43 */
grp = 0;
else if (chan <= 70)	/* 44-70 */
grp = 1;
else if (chan <= 124)	/* 71-124 */
grp = 2;
else			/* 125-200 */
grp = 3;
DPRINTF(("chan %d, attenuation group=%d\n", chan, grp));

/* Get channel sub-band. */
for (i = 0; i < IWN_NBANDS8; i++)
if (sc->bands[i].lo != 0 &&
    sc->bands[i].lo <= chan && chan <= sc->bands[i].hi)
	break;
if (i == IWN_NBANDS8)	/* Can't happen in real-life. */
return EINVAL22;
chans = sc->bands[i].chans;
DPRINTF(("chan %d sub-band=%d\n", chan, i));

if (iwn_rxon_ht40_enabled(sc)) {
is_ht40 = 1;
if (le32toh(sc->rxon.flags)((__uint32_t)(sc->rxon.flags)) & IWN_RXON_HT_HT40MINUS(1 << 22))
	ext_chan = chan - 2;
else
	ext_chan = chan + 2;
} else
ext_chan = chan;

for (c = 0; c < 2; c++) {
uint8_t power, gain, temp;
int maxchpwr, pwr, ridx, idx;

power = interpolate(ext_chan,
    chans[0].num, chans[0].samples[c][1].power,
    chans[1].num, chans[1].samples[c][1].power, 1);
gain  = interpolate(ext_chan,
    chans[0].num, chans[0].samples[c][1].gain,
    chans[1].num, chans[1].samples[c][1].gain, 1);
temp  = interpolate(ext_chan,
    chans[0].num, chans[0].samples[c][1].temp,
    chans[1].num, chans[1].samples[c][1].temp, 1);
DPRINTF(("TX chain %d: power=%d gain=%d temp=%d\n",
    c, power, gain, temp));

/* Compute temperature compensation. */
tdiff = ((sc->temp - temp) * 2) / tdiv[grp];
DPRINTF(("temperature compensation=%d (current=%d, "
    "EEPROM=%d)\n", tdiff, sc->temp, temp));

for (ridx = 0; ridx <= IWN_RIDX_MAX32; ridx++) {
	/* Convert dBm to half-dBm. */
	if (is_ht40)
		maxchpwr = sc->maxpwr40[chan] * 2;
	else
		maxchpwr = sc->maxpwr[chan] * 2;
4238#ifdef notyet
	if (ridx > iwn_mcs2ridx[7] && ridx < iwn_mcs2ridx[16])
		maxchpwr -= 6;	/* MIMO 2T: -3dB */
4241#endif

	pwr = maxpwr;

	/* Adjust TX power based on rate. */
	if ((ridx % 8) == 5)
		pwr -= 15;	/* OFDM48: -7.5dB */
	else if ((ridx % 8) == 6)
		pwr -= 17;	/* OFDM54: -8.5dB */
	else if ((ridx % 8) == 7)
		pwr -= 20;	/* OFDM60: -10dB */
	else
		pwr -= 10;	/* Others: -5dB */

	/* Do not exceed channel max TX power. */
	if (pwr > maxchpwr)
		pwr = maxchpwr;

	idx = gain - (pwr - power) - tdiff - vdiff;
	if (ridx > iwn_mcs2ridx[7]) /* MIMO */
		idx += (int32_t)letoh32(uc->atten[grp][c])((__uint32_t)(uc->atten[grp][c]));

	if (cmd.band == 0)
		idx += 9;	/* 5GHz */
	if (ridx == IWN_RIDX_MAX32)
		idx += 5;	/* CCK */

	/* Make sure idx stays in a valid range. */
	if (idx < 0)
		idx = 0;
	else if (idx > IWN4965_MAX_PWR_INDEX107)
		idx = IWN4965_MAX_PWR_INDEX107;

	DPRINTF(("TX chain %d, rate idx %d: power=%d\n",
	    c, ridx, idx));
	cmd.power[ridx].rf_gain[c] = rf_gain[idx];
	cmd.power[ridx].dsp_gain[c] = dsp_gain[idx];
}
}

DPRINTF(("setting TX power for chan %d\n", chan));
return iwn_cmd(sc, IWN_CMD_TXPOWER151, &cmd, sizeof cmd, async);

4284#undef interpolate
4285#undef fdivround
4286}

4288int
4289iwn5000_set_txpower(struct iwn_softc *sc, int async)
4290{
struct iwn5000_cmd_txpower cmd;

/*
* TX power calibration is handled automatically by the firmware
* for 5000 Series.
*/
memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.global_limit = 2 * IWN5000_TXPOWER_MAX_DBM16;	/* 16 dBm */
cmd.flags = IWN5000_TXPOWER_NO_CLOSED(1 << 6);
cmd.srv_limit = IWN5000_TXPOWER_AUTO0x7f;
DPRINTF(("setting TX power\n"));
return iwn_cmd(sc, IWN_CMD_TXPOWER_DBM149, &cmd, sizeof cmd, async);
4303}

4305/*
* Retrieve the maximum RSSI (in dBm) among receivers.
*/
4308int
4309iwn4965_get_rssi(const struct iwn_rx_stat *stat)
4310{
struct iwn4965_rx_phystat *phy = (void *)stat->phybuf;
uint8_t mask, agc;
int rssi;

mask = (letoh16(phy->antenna)((__uint16_t)(phy->antenna)) >> 4) & IWN_ANT_ABC((1 << 0) | (1 << 1) | (1 << 2));
agc  = (letoh16(phy->agc)((__uint16_t)(phy->agc)) >> 7) & 0x7f;

rssi = 0;
if (mask & IWN_ANT_A(1 << 0))
rssi = MAX(rssi, phy->rssi[0])(((rssi)>(phy->rssi[0]))?(rssi):(phy->rssi[0]));
if (mask & IWN_ANT_B(1 << 1))
rssi = MAX(rssi, phy->rssi[2])(((rssi)>(phy->rssi[2]))?(rssi):(phy->rssi[2]));
if (mask & IWN_ANT_C(1 << 2))
rssi = MAX(rssi, phy->rssi[4])(((rssi)>(phy->rssi[4]))?(rssi):(phy->rssi[4]));

return rssi - agc - IWN_RSSI_TO_DBM44;
4327}

4329int
4330iwn5000_get_rssi(const struct iwn_rx_stat *stat)
4331{
struct iwn5000_rx_phystat *phy = (void *)stat->phybuf;
uint8_t agc;
int rssi;

agc = (letoh32(phy->agc)((__uint32_t)(phy->agc)) >> 9) & 0x7f;

rssi = MAX(letoh16(phy->rssi[0]) & 0xff,(((((__uint16_t)(phy->rssi[0])) & 0xff)>(((__uint16_t
)(phy->rssi[1])) & 0xff))?(((__uint16_t)(phy->rssi[
0])) & 0xff):(((__uint16_t)(phy->rssi[1])) & 0xff)
)
   letoh16(phy->rssi[1]) & 0xff)(((((__uint16_t)(phy->rssi[0])) & 0xff)>(((__uint16_t
)(phy->rssi[1])) & 0xff))?(((__uint16_t)(phy->rssi[
0])) & 0xff):(((__uint16_t)(phy->rssi[1])) & 0xff)
);
rssi = MAX(letoh16(phy->rssi[2]) & 0xff, rssi)(((((__uint16_t)(phy->rssi[2])) & 0xff)>(rssi))?(((
__uint16_t)(phy->rssi[2])) & 0xff):(rssi));

return rssi - agc - IWN_RSSI_TO_DBM44;
4343}

4345/*
* Retrieve the average noise (in dBm) among receivers.
*/
4348int
4349iwn_get_noise(const struct iwn_rx_general_stats *stats)
4350{
int i, total, nbant, noise;

total = nbant = 0;
for (i = 0; i < 3; i++) {
if ((noise = letoh32(stats->noise[i])((__uint32_t)(stats->noise[i])) & 0xff) == 0)
	continue;
total += noise;
nbant++;
}
/* There should be at least one antenna but check anyway. */
return (nbant == 0) ? -127 : (total / nbant) - 107;
4362}

4364/*
* Compute temperature (in degC) from last received statistics.
*/
4367int
4368iwn4965_get_temperature(struct iwn_softc *sc)
4369{
struct iwn_ucode_info *uc = &sc->ucode_info;
int32_t r1, r2, r3, r4, temp;

if (sc->rx_stats_flags & IWN_STATS_FLAGS_BAND_HT400x08) {
r1 = letoh32(uc->temp[0].chan40MHz)((__uint32_t)(uc->temp[0].chan40MHz));
r2 = letoh32(uc->temp[1].chan40MHz)((__uint32_t)(uc->temp[1].chan40MHz));
r3 = letoh32(uc->temp[2].chan40MHz)((__uint32_t)(uc->temp[2].chan40MHz));
} else {
r1 = letoh32(uc->temp[0].chan20MHz)((__uint32_t)(uc->temp[0].chan20MHz));
r2 = letoh32(uc->temp[1].chan20MHz)((__uint32_t)(uc->temp[1].chan20MHz));
r3 = letoh32(uc->temp[2].chan20MHz)((__uint32_t)(uc->temp[2].chan20MHz));
}
r4 = letoh32(sc->rawtemp)((__uint32_t)(sc->rawtemp));

if (r1 == r3)	/* Prevents division by 0 (should not happen). */
return 0;

/* Sign-extend 23-bit R4 value to 32-bit. */
r4 = ((r4 & 0xffffff) ^ 0x800000) - 0x800000;
/* Compute temperature in Kelvin. */
temp = (259 * (r4 - r2)) / (r3 - r1);
temp = (temp * 97) / 100 + 8;

DPRINTF(("temperature %dK/%dC\n", temp, IWN_KTOC(temp)));
return IWN_KTOC(temp)((temp) - 273);
4395}

4397int
4398iwn5000_get_temperature(struct iwn_softc *sc)
4399{
int32_t temp;

/*
* Temperature is not used by the driver for 5000 Series because
* TX power calibration is handled by firmware.
*/
temp = letoh32(sc->rawtemp)((__uint32_t)(sc->rawtemp));
if (sc->hw_type == IWN_HW_REV_TYPE_51504) {
temp = (temp / -5) + sc->temp_off;
temp = IWN_KTOC(temp)((temp) - 273);
}
return temp;
4412}

4414/*
* Initialize sensitivity calibration state machine.
*/
4417int
4418iwn_init_sensitivity(struct iwn_softc *sc)
4419{
struct iwn_ops *ops = &sc->ops;
struct iwn_calib_state *calib = &sc->calib;
uint32_t flags;
int error;

/* Reset calibration state machine. */
memset(calib, 0, sizeof (*calib))__builtin_memset((calib), (0), (sizeof (*calib)));
calib->state = IWN_CALIB_STATE_INIT0;
calib->cck_state = IWN_CCK_STATE_HIFA2;
/* Set initial correlation values. */
calib->ofdm_x1     = sc->limits->min_ofdm_x1;
calib->ofdm_mrc_x1 = sc->limits->min_ofdm_mrc_x1;
calib->ofdm_x4     = sc->limits->min_ofdm_x4;
calib->ofdm_mrc_x4 = sc->limits->min_ofdm_mrc_x4;
calib->cck_x4      = 125;
calib->cck_mrc_x4  = sc->limits->min_cck_mrc_x4;
calib->energy_cck  = sc->limits->energy_cck;

/* Write initial sensitivity. */
if ((error = iwn_send_sensitivity(sc)) != 0)
return error;

/* Write initial gains. */
if ((error = ops->init_gains(sc)) != 0)
return error;

/* Request statistics at each beacon interval. */
flags = 0;
DPRINTFN(2, ("sending request for statistics\n"));
return iwn_cmd(sc, IWN_CMD_GET_STATISTICS156, &flags, sizeof flags, 1);
4450}

4452/*
* Collect noise and RSSI statistics for the first 20 beacons received
* after association and use them to determine connected antennas and
* to set differential gains.
*/
4457void
4458iwn_collect_noise(struct iwn_softc *sc,
  const struct iwn_rx_general_stats *stats)
4460{
struct iwn_ops *ops = &sc->ops;
struct iwn_calib_state *calib = &sc->calib;
uint32_t val;
int i;

/* Accumulate RSSI and noise for all 3 antennas. */
for (i = 0; i < 3; i++) {
calib->rssi[i] += letoh32(stats->rssi[i])((__uint32_t)(stats->rssi[i])) & 0xff;
calib->noise[i] += letoh32(stats->noise[i])((__uint32_t)(stats->noise[i])) & 0xff;
}
/* NB: We update differential gains only once after 20 beacons. */
if (++calib->nbeacons < 20)
return;

/* Determine highest average RSSI. */
val = MAX(calib->rssi[0], calib->rssi[1])(((calib->rssi[0])>(calib->rssi[1]))?(calib->rssi
[0]):(calib->rssi[1]));
val = MAX(calib->rssi[2], val)(((calib->rssi[2])>(val))?(calib->rssi[2]):(val));

/* Determine which antennas are connected. */
sc->chainmask = sc->rxchainmask;
for (i = 0; i < 3; i++)
if (val - calib->rssi[i] > 15 * 20)
	sc->chainmask &= ~(1 << i);
DPRINTF(("RX chains mask: theoretical=0x%x, actual=0x%x\n",
   sc->rxchainmask, sc->chainmask));

/* If none of the TX antennas are connected, keep at least one. */
if ((sc->chainmask & sc->txchainmask) == 0)
sc->chainmask |= IWN_LSB(sc->txchainmask)((((sc->txchainmask) - 1) & (sc->txchainmask)) ^ (sc
->txchainmask));

(void)ops->set_gains(sc);
calib->state = IWN_CALIB_STATE_RUN2;

4494#ifdef notyet
/* XXX Disable RX chains with no antennas connected. */
sc->rxon.rxchain = htole16(IWN_RXCHAIN_SEL(sc->chainmask))((__uint16_t)(IWN_RXCHAIN_SEL(sc->chainmask)));
(void)iwn_cmd(sc, IWN_CMD_RXON16, &sc->rxon, sc->rxonsz, 1);
4498#endif

/* Enable power-saving mode if requested by user. */
if (sc->sc_ic.ic_flags & IEEE80211_F_PMGTON0x00000400)
(void)iwn_set_pslevel(sc, 0, 3, 1);
4503}

4505int
4506iwn4965_init_gains(struct iwn_softc *sc)
4507{
struct iwn_phy_calib_gain cmd;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.code = IWN4965_PHY_CALIB_DIFF_GAIN7;
/* Differential gains initially set to 0 for all 3 antennas. */
DPRINTF(("setting initial differential gains\n"));
return iwn_cmd(sc, IWN_CMD_PHY_CALIB176, &cmd, sizeof cmd, 1);
4515}

4517int
4518iwn5000_init_gains(struct iwn_softc *sc)
4519{
struct iwn_phy_calib cmd;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.code = sc->reset_noise_gain;
cmd.ngroups = 1;
cmd.isvalid = 1;
DPRINTF(("setting initial differential gains\n"));
return iwn_cmd(sc, IWN_CMD_PHY_CALIB176, &cmd, sizeof cmd, 1);
4528}

4530int
4531iwn4965_set_gains(struct iwn_softc *sc)
4532{
struct iwn_calib_state *calib = &sc->calib;
struct iwn_phy_calib_gain cmd;
int i, delta, noise;

/* Get minimal noise among connected antennas. */
noise = INT_MAX0x7fffffff;	/* NB: There's at least one antenna. */
for (i = 0; i < 3; i++)
if (sc->chainmask & (1 << i))
	noise = MIN(calib->noise[i], noise)(((calib->noise[i])<(noise))?(calib->noise[i]):(noise
));

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.code = IWN4965_PHY_CALIB_DIFF_GAIN7;
/* Set differential gains for connected antennas. */
for (i = 0; i < 3; i++) {
if (sc->chainmask & (1 << i)) {
	/* Compute attenuation (in unit of 1.5dB). */
	delta = (noise - (int32_t)calib->noise[i]) / 30;
	/* NB: delta <= 0 */
	/* Limit to [-4.5dB,0]. */
	cmd.gain[i] = MIN(abs(delta), 3)(((abs(delta))<(3))?(abs(delta)):(3));
	if (delta < 0)
		cmd.gain[i] |= 1 << 2;	/* sign bit */
}
}
DPRINTF(("setting differential gains Ant A/B/C: %x/%x/%x (%x)\n",
   cmd.gain[0], cmd.gain[1], cmd.gain[2], sc->chainmask));
return iwn_cmd(sc, IWN_CMD_PHY_CALIB176, &cmd, sizeof cmd, 1);
4560}

4562int
4563iwn5000_set_gains(struct iwn_softc *sc)
4564{
struct iwn_calib_state *calib = &sc->calib;
struct iwn_phy_calib_gain cmd;
int i, ant, div, delta;

/* We collected 20 beacons and !=6050 need a 1.5 factor. */
div = (sc->hw_type == IWN_HW_REV_TYPE_60508) ? 20 : 30;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.code = sc->noise_gain;
cmd.ngroups = 1;
cmd.isvalid = 1;
/*
* Get first available RX antenna as referential.
* IWN_LSB() return values start with 1, but antenna gain array
* cmd.gain[] and noise array calib->noise[] start with 0.
*/
ant = IWN_LSB(sc->rxchainmask)((((sc->rxchainmask) - 1) & (sc->rxchainmask)) ^ (sc
->rxchainmask)) - 1;

/* Set differential gains for other antennas. */
for (i = ant + 1; i < 3; i++) {
if (sc->chainmask & (1 << i)) {
	/* The delta is relative to antenna "ant". */
	delta = ((int32_t)calib->noise[ant] -
	    (int32_t)calib->noise[i]) / div;
	DPRINTF(("Ant[%d] vs. Ant[%d]: delta %d\n", ant, i, delta));
	/* Limit to [-4.5dB,+4.5dB]. */
	cmd.gain[i] = MIN(abs(delta), 3)(((abs(delta))<(3))?(abs(delta)):(3));
	if (delta < 0)
		cmd.gain[i] |= 1 << 2;	/* sign bit */
	DPRINTF(("Setting differential gains for antenna %d: %x\n",
		i, cmd.gain[i]));
}
}
return iwn_cmd(sc, IWN_CMD_PHY_CALIB176, &cmd, sizeof cmd, 1);
4599}

4601/*
* Tune RF RX sensitivity based on the number of false alarms detected
* during the last beacon period.
*/
4605void
4606iwn_tune_sensitivity(struct iwn_softc *sc, const struct iwn_rx_stats *stats)
4607{
4608#define inc(val, inc, max)			\
if ((val) < (max)) {			\
if ((val) < (max) - (inc))	\
	(val) += (inc);		\
else				\
	(val) = (max);		\
needs_update = 1;		\
}
4616#define dec(val, dec, min)			\
if ((val) > (min)) {			\
if ((val) > (min) + (dec))	\
	(val) -= (dec);		\
else				\
	(val) = (min);		\
needs_update = 1;		\
}

const struct iwn_sensitivity_limits *limits = sc->limits;
struct iwn_calib_state *calib = &sc->calib;
uint32_t val, rxena, fa;
uint32_t energy[3], energy_min;
uint8_t noise[3], noise_ref;
int i, needs_update = 0;

/* Check that we've been enabled long enough. */
if ((rxena = letoh32(stats->general.load)((__uint32_t)(stats->general.load))) == 0)
return;

/* Compute number of false alarms since last call for OFDM. */
fa  = letoh32(stats->ofdm.bad_plcp)((__uint32_t)(stats->ofdm.bad_plcp)) - calib->bad_plcp_ofdm;
fa += letoh32(stats->ofdm.fa)((__uint32_t)(stats->ofdm.fa)) - calib->fa_ofdm;
fa *= 200 * IEEE80211_DUR_TU1024;	/* 200TU */

/* Save counters values for next call. */
calib->bad_plcp_ofdm = letoh32(stats->ofdm.bad_plcp)((__uint32_t)(stats->ofdm.bad_plcp));
calib->fa_ofdm = letoh32(stats->ofdm.fa)((__uint32_t)(stats->ofdm.fa));

if (fa > 50 * rxena) {
/* High false alarm count, decrease sensitivity. */
DPRINTFN(2, ("OFDM high false alarm count: %u\n", fa));
inc(calib->ofdm_x1,     1, limits->max_ofdm_x1);
inc(calib->ofdm_mrc_x1, 1, limits->max_ofdm_mrc_x1);
inc(calib->ofdm_x4,     1, limits->max_ofdm_x4);
inc(calib->ofdm_mrc_x4, 1, limits->max_ofdm_mrc_x4);

} else if (fa < 5 * rxena) {
/* Low false alarm count, increase sensitivity. */
DPRINTFN(2, ("OFDM low false alarm count: %u\n", fa));
dec(calib->ofdm_x1,     1, limits->min_ofdm_x1);
dec(calib->ofdm_mrc_x1, 1, limits->min_ofdm_mrc_x1);
dec(calib->ofdm_x4,     1, limits->min_ofdm_x4);
dec(calib->ofdm_mrc_x4, 1, limits->min_ofdm_mrc_x4);
}

/* Compute maximum noise among 3 receivers. */
for (i = 0; i < 3; i++)
noise[i] = (letoh32(stats->general.noise[i])((__uint32_t)(stats->general.noise[i])) >> 8) & 0xff;
val = MAX(noise[0], noise[1])(((noise[0])>(noise[1]))?(noise[0]):(noise[1]));
val = MAX(noise[2], val)(((noise[2])>(val))?(noise[2]):(val));
/* Insert it into our samples table. */
calib->noise_samples[calib->cur_noise_sample] = val;
calib->cur_noise_sample = (calib->cur_noise_sample + 1) % 20;

/* Compute maximum noise among last 20 samples. */
noise_ref = calib->noise_samples[0];
for (i = 1; i < 20; i++)
noise_ref = MAX(noise_ref, calib->noise_samples[i])(((noise_ref)>(calib->noise_samples[i]))?(noise_ref):(calib
->noise_samples[i]));

/* Compute maximum energy among 3 receivers. */
for (i = 0; i < 3; i++)
energy[i] = letoh32(stats->general.energy[i])((__uint32_t)(stats->general.energy[i]));
val = MIN(energy[0], energy[1])(((energy[0])<(energy[1]))?(energy[0]):(energy[1]));
val = MIN(energy[2], val)(((energy[2])<(val))?(energy[2]):(val));
/* Insert it into our samples table. */
calib->energy_samples[calib->cur_energy_sample] = val;
calib->cur_energy_sample = (calib->cur_energy_sample + 1) % 10;

/* Compute minimum energy among last 10 samples. */
energy_min = calib->energy_samples[0];
for (i = 1; i < 10; i++)
energy_min = MAX(energy_min, calib->energy_samples[i])(((energy_min)>(calib->energy_samples[i]))?(energy_min)
:(calib->energy_samples[i]));
energy_min += 6;

/* Compute number of false alarms since last call for CCK. */
fa  = letoh32(stats->cck.bad_plcp)((__uint32_t)(stats->cck.bad_plcp)) - calib->bad_plcp_cck;
fa += letoh32(stats->cck.fa)((__uint32_t)(stats->cck.fa)) - calib->fa_cck;
fa *= 200 * IEEE80211_DUR_TU1024;	/* 200TU */

/* Save counters values for next call. */
calib->bad_plcp_cck = letoh32(stats->cck.bad_plcp)((__uint32_t)(stats->cck.bad_plcp));
calib->fa_cck = letoh32(stats->cck.fa)((__uint32_t)(stats->cck.fa));

if (fa > 50 * rxena) {
/* High false alarm count, decrease sensitivity. */
DPRINTFN(2, ("CCK high false alarm count: %u\n", fa));
calib->cck_state = IWN_CCK_STATE_HIFA2;
calib->low_fa = 0;

if (calib->cck_x4 > 160) {
	calib->noise_ref = noise_ref;
	if (calib->energy_cck > 2)
		dec(calib->energy_cck, 2, energy_min);
}
if (calib->cck_x4 < 160) {
	calib->cck_x4 = 161;
	needs_update = 1;
} else
	inc(calib->cck_x4, 3, limits->max_cck_x4);

inc(calib->cck_mrc_x4, 3, limits->max_cck_mrc_x4);

} else if (fa < 5 * rxena) {
/* Low false alarm count, increase sensitivity. */
DPRINTFN(2, ("CCK low false alarm count: %u\n", fa));
calib->cck_state = IWN_CCK_STATE_LOFA1;
calib->low_fa++;

if (calib->cck_state != IWN_CCK_STATE_INIT0 &&
    (((int32_t)calib->noise_ref - (int32_t)noise_ref) > 2 ||
     calib->low_fa > 100)) {
	inc(calib->energy_cck, 2, limits->min_energy_cck);
	dec(calib->cck_x4,     3, limits->min_cck_x4);
	dec(calib->cck_mrc_x4, 3, limits->min_cck_mrc_x4);
}
} else {
/* Not worth to increase or decrease sensitivity. */
DPRINTFN(2, ("CCK normal false alarm count: %u\n", fa));
calib->low_fa = 0;
calib->noise_ref = noise_ref;

if (calib->cck_state == IWN_CCK_STATE_HIFA2) {
	/* Previous interval had many false alarms. */
	dec(calib->energy_cck, 8, energy_min);
}
calib->cck_state = IWN_CCK_STATE_INIT0;
}

if (needs_update)
(void)iwn_send_sensitivity(sc);
4747#undef dec
4748#undef inc
4749}

4751int
4752iwn_send_sensitivity(struct iwn_softc *sc)
4753{
struct iwn_calib_state *calib = &sc->calib;
struct iwn_enhanced_sensitivity_cmd cmd;
int len;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
len = sizeof (struct iwn_sensitivity_cmd);
cmd.which = IWN_SENSITIVITY_WORKTBL1;
/* OFDM modulation. */
cmd.corr_ofdm_x1       = htole16(calib->ofdm_x1)((__uint16_t)(calib->ofdm_x1));
cmd.corr_ofdm_mrc_x1   = htole16(calib->ofdm_mrc_x1)((__uint16_t)(calib->ofdm_mrc_x1));
cmd.corr_ofdm_x4       = htole16(calib->ofdm_x4)((__uint16_t)(calib->ofdm_x4));
cmd.corr_ofdm_mrc_x4   = htole16(calib->ofdm_mrc_x4)((__uint16_t)(calib->ofdm_mrc_x4));
cmd.energy_ofdm        = htole16(sc->limits->energy_ofdm)((__uint16_t)(sc->limits->energy_ofdm));
cmd.energy_ofdm_th     = htole16(62)((__uint16_t)(62));
/* CCK modulation. */
cmd.corr_cck_x4        = htole16(calib->cck_x4)((__uint16_t)(calib->cck_x4));
cmd.corr_cck_mrc_x4    = htole16(calib->cck_mrc_x4)((__uint16_t)(calib->cck_mrc_x4));
cmd.energy_cck         = htole16(calib->energy_cck)((__uint16_t)(calib->energy_cck));
/* Barker modulation: use default values. */
cmd.corr_barker        = htole16(190)((__uint16_t)(190));
cmd.corr_barker_mrc    = htole16(390)((__uint16_t)(390));
if (!(sc->sc_flags & IWN_FLAG_ENH_SENS(1 << 7)))
goto send;
/* Enhanced sensitivity settings. */
len = sizeof (struct iwn_enhanced_sensitivity_cmd);
cmd.ofdm_det_slope_mrc = htole16(668)((__uint16_t)(668));
cmd.ofdm_det_icept_mrc = htole16(4)((__uint16_t)(4));
cmd.ofdm_det_slope     = htole16(486)((__uint16_t)(486));
cmd.ofdm_det_icept     = htole16(37)((__uint16_t)(37));
cmd.cck_det_slope_mrc  = htole16(853)((__uint16_t)(853));
cmd.cck_det_icept_mrc  = htole16(4)((__uint16_t)(4));
cmd.cck_det_slope      = htole16(476)((__uint16_t)(476));
cmd.cck_det_icept      = htole16(99)((__uint16_t)(99));
4787send:
return iwn_cmd(sc, IWN_CMD_SET_SENSITIVITY168, &cmd, len, 1);
4789}

4791/*
* Set STA mode power saving level (between 0 and 5).
* Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving.
*/
4795int
4796iwn_set_pslevel(struct iwn_softc *sc, int dtim, int level, int async)
4797{
struct iwn_pmgt_cmd cmd;
const struct iwn_pmgt *pmgt;
uint32_t max, skip_dtim;
pcireg_t reg;
int i;

/* Select which PS parameters to use. */
if (dtim <= 2)
pmgt = &iwn_pmgt[0][level];
else if (dtim <= 10)
pmgt = &iwn_pmgt[1][level];
else
pmgt = &iwn_pmgt[2][level];

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
if (level != 0)	/* not CAM */
cmd.flags |= htole16(IWN_PS_ALLOW_SLEEP)((__uint16_t)((1 << 0)));
if (level == 5)
cmd.flags |= htole16(IWN_PS_FAST_PD)((__uint16_t)((1 << 4)));
/* Retrieve PCIe Active State Power Management (ASPM). */
reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag,
   sc->sc_cap_off + PCI_PCIE_LCSR0x10);
if (!(reg & PCI_PCIE_LCSR_ASPM_L0S0x00000001))	/* L0s Entry disabled. */
cmd.flags |= htole16(IWN_PS_PCI_PMGT)((__uint16_t)((1 << 3)));
cmd.rxtimeout = htole32(pmgt->rxtimeout * 1024)((__uint32_t)(pmgt->rxtimeout * 1024));
cmd.txtimeout = htole32(pmgt->txtimeout * 1024)((__uint32_t)(pmgt->txtimeout * 1024));

if (dtim == 0) {
dtim = 1;
skip_dtim = 0;
} else
skip_dtim = pmgt->skip_dtim;
if (skip_dtim != 0) {
cmd.flags |= htole16(IWN_PS_SLEEP_OVER_DTIM)((__uint16_t)((1 << 2)));
max = pmgt->intval[4];
if (max == (uint32_t)-1)
	max = dtim * (skip_dtim + 1);
else if (max > dtim)
	max = (max / dtim) * dtim;
} else
max = dtim;
for (i = 0; i < 5; i++)
cmd.intval[i] = htole32(MIN(max, pmgt->intval[i]))((__uint32_t)((((max)<(pmgt->intval[i]))?(max):(pmgt->
intval[i]))));

DPRINTF(("setting power saving level to %d\n", level));
return iwn_cmd(sc, IWN_CMD_SET_POWER_MODE119, &cmd, sizeof cmd, async);
4844}

4846int
4847iwn_send_btcoex(struct iwn_softc *sc)
4848{
struct iwn_bluetooth cmd;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.flags = IWN_BT_COEX_CHAN_ANN(1 << 0) | IWN_BT_COEX_BT_PRIO(1 << 1);
cmd.lead_time = IWN_BT_LEAD_TIME_DEF30;
cmd.max_kill = IWN_BT_MAX_KILL_DEF5;
DPRINTF(("configuring bluetooth coexistence\n"));
return iwn_cmd(sc, IWN_CMD_BT_COEX155, &cmd, sizeof(cmd), 0);
4857}

4859int
4860iwn_send_advanced_btcoex(struct iwn_softc *sc)
4861{
static const uint32_t btcoex_3wire[12] = {
0xaaaaaaaa, 0xaaaaaaaa, 0xaeaaaaaa, 0xaaaaaaaa,
0xcc00ff28, 0x0000aaaa, 0xcc00aaaa, 0x0000aaaa,
0xc0004000, 0x00004000, 0xf0005000, 0xf0005000,
};
struct iwn_btcoex_priotable btprio;
struct iwn_btcoex_prot btprot;
int error, i;

if (sc->hw_type == IWN_HW_REV_TYPE_203012 ||
   sc->hw_type == IWN_HW_REV_TYPE_13518) {
struct iwn2000_btcoex_config btconfig;

memset(&btconfig, 0, sizeof btconfig)__builtin_memset((&btconfig), (0), (sizeof btconfig));
btconfig.flags = IWN_BT_COEX6000_CHAN_INHIBITION1 |
    (IWN_BT_COEX6000_MODE_3W2 << IWN_BT_COEX6000_MODE_SHIFT3) |
    IWN_BT_SYNC_2_BT_DISABLE(1<<7);
btconfig.max_kill = 5;
btconfig.bt3_t7_timer = 1;
btconfig.kill_ack = htole32(0xffff0000)((__uint32_t)(0xffff0000));
btconfig.kill_cts = htole32(0xffff0000)((__uint32_t)(0xffff0000));
btconfig.sample_time = 2;
btconfig.bt3_t2_timer = 0xc;
for (i = 0; i < 12; i++)
	btconfig.lookup_table[i] = htole32(btcoex_3wire[i])((__uint32_t)(btcoex_3wire[i]));
btconfig.valid = htole16(0xff)((__uint16_t)(0xff));
btconfig.prio_boost = htole32(0xf0)((__uint32_t)(0xf0));
DPRINTF(("configuring advanced bluetooth coexistence\n"));
error = iwn_cmd(sc, IWN_CMD_BT_COEX155, &btconfig,
    sizeof(btconfig), 1);
if (error != 0)
	return (error);
} else {
struct iwn6000_btcoex_config btconfig;

memset(&btconfig, 0, sizeof btconfig)__builtin_memset((&btconfig), (0), (sizeof btconfig));
btconfig.flags = IWN_BT_COEX6000_CHAN_INHIBITION1 |
    (IWN_BT_COEX6000_MODE_3W2 << IWN_BT_COEX6000_MODE_SHIFT3) |
    IWN_BT_SYNC_2_BT_DISABLE(1<<7);
btconfig.max_kill = 5;
btconfig.bt3_t7_timer = 1;
btconfig.kill_ack = htole32(0xffff0000)((__uint32_t)(0xffff0000));
btconfig.kill_cts = htole32(0xffff0000)((__uint32_t)(0xffff0000));
btconfig.sample_time = 2;
btconfig.bt3_t2_timer = 0xc;
for (i = 0; i < 12; i++)
	btconfig.lookup_table[i] = htole32(btcoex_3wire[i])((__uint32_t)(btcoex_3wire[i]));
btconfig.valid = htole16(0xff)((__uint16_t)(0xff));
btconfig.prio_boost = 0xf0;
DPRINTF(("configuring advanced bluetooth coexistence\n"));
error = iwn_cmd(sc, IWN_CMD_BT_COEX155, &btconfig,
    sizeof(btconfig), 1);
if (error != 0)
	return (error);
}

memset(&btprio, 0, sizeof btprio)__builtin_memset((&btprio), (0), (sizeof btprio));
btprio.calib_init1 = 0x6;
btprio.calib_init2 = 0x7;
btprio.calib_periodic_low1 = 0x2;
btprio.calib_periodic_low2 = 0x3;
btprio.calib_periodic_high1 = 0x4;
btprio.calib_periodic_high2 = 0x5;
btprio.dtim = 0x6;
btprio.scan52 = 0x8;
btprio.scan24 = 0xa;
error = iwn_cmd(sc, IWN_CMD_BT_COEX_PRIOTABLE204, &btprio, sizeof(btprio),
   1);
if (error != 0)
return (error);

/* Force BT state machine change */
memset(&btprot, 0, sizeof btprot)__builtin_memset((&btprot), (0), (sizeof btprot));
btprot.open = 1;
btprot.type = 1;
error = iwn_cmd(sc, IWN_CMD_BT_COEX_PROT205, &btprot, sizeof(btprot), 1);
if (error != 0)
return (error);

btprot.open = 0;
return (iwn_cmd(sc, IWN_CMD_BT_COEX_PROT205, &btprot, sizeof(btprot), 1));
4943}

4945int
4946iwn5000_runtime_calib(struct iwn_softc *sc)
4947{
struct iwn5000_calib_config cmd;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.ucode.once.enable = 0xffffffff;
cmd.ucode.once.start = IWN5000_CALIB_DC(1 << 1);
DPRINTF(("configuring runtime calibration\n"));
return iwn_cmd(sc, IWN5000_CMD_CALIB_CONFIG101, &cmd, sizeof(cmd), 0);
4955}

4957int
4958iwn_config(struct iwn_softc *sc)
4959{
struct iwn_ops *ops = &sc->ops;
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = &ic->ic_ific_ac.ac_if;
uint32_t txmask;
uint16_t rxchain;
int error, ridx;

/* Set radio temperature sensor offset. */
if (sc->hw_type == IWN_HW_REV_TYPE_600511) {
error = iwn6000_temp_offset_calib(sc);
if (error != 0) {
	printf("%s: could not set temperature offset\n",
	    sc->sc_dev.dv_xname);
	return error;
}
}

if (sc->hw_type == IWN_HW_REV_TYPE_203012 ||
   sc->hw_type == IWN_HW_REV_TYPE_200016 ||
   sc->hw_type == IWN_HW_REV_TYPE_13518 ||
   sc->hw_type == IWN_HW_REV_TYPE_10517) {
error = iwn2000_temp_offset_calib(sc);
if (error != 0) {
	printf("%s: could not set temperature offset\n",
	    sc->sc_dev.dv_xname);
	return error;
}
}

if (sc->hw_type == IWN_HW_REV_TYPE_60508 ||
   sc->hw_type == IWN_HW_REV_TYPE_600511) {
/* Configure runtime DC calibration. */
error = iwn5000_runtime_calib(sc);
if (error != 0) {
	printf("%s: could not configure runtime calibration\n",
	    sc->sc_dev.dv_xname);
	return error;
}
}

/* Configure valid TX chains for >=5000 Series. */
if (sc->hw_type != IWN_HW_REV_TYPE_49650) {
txmask = htole32(sc->txchainmask)((__uint32_t)(sc->txchainmask));
DPRINTF(("configuring valid TX chains 0x%x\n", txmask));
error = iwn_cmd(sc, IWN5000_CMD_TX_ANT_CONFIG152, &txmask,
    sizeof txmask, 0);
if (error != 0) {
	printf("%s: could not configure valid TX chains\n",
	    sc->sc_dev.dv_xname);
	return error;
}
}

/* Configure bluetooth coexistence. */
if (sc->sc_flags & IWN_FLAG_ADV_BT_COEX(1 << 8))
error = iwn_send_advanced_btcoex(sc);
else
error = iwn_send_btcoex(sc);
if (error != 0) {
printf("%s: could not configure bluetooth coexistence\n",
    sc->sc_dev.dv_xname);
return error;
}

/* Set mode, channel, RX filter and enable RX. */
memset(&sc->rxon, 0, sizeof (struct iwn_rxon))__builtin_memset((&sc->rxon), (0), (sizeof (struct iwn_rxon
)));
IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl))__builtin_memcpy((ic->ic_myaddr), (((caddr_t)((ifp->if_sadl
)->sdl_data + (ifp->if_sadl)->sdl_nlen))), (6));
IEEE80211_ADDR_COPY(sc->rxon.myaddr, ic->ic_myaddr)__builtin_memcpy((sc->rxon.myaddr), (ic->ic_myaddr), (6
));
IEEE80211_ADDR_COPY(sc->rxon.wlap, ic->ic_myaddr)__builtin_memcpy((sc->rxon.wlap), (ic->ic_myaddr), (6));
sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_ibss_chan);
sc->rxon.flags = htole32(IWN_RXON_TSF | IWN_RXON_CTS_TO_SELF)((__uint32_t)((1 << 15) | (1 << 30)));
if (IEEE80211_IS_CHAN_2GHZ(ic->ic_ibss_chan)(((ic->ic_ibss_chan)->ic_flags & 0x0080) != 0)) {
sc->rxon.flags |= htole32(IWN_RXON_AUTO | IWN_RXON_24GHZ)((__uint32_t)((1 << 2) | (1 << 0)));
if (ic->ic_flags & IEEE80211_F_USEPROT0x00100000)
	sc->rxon.flags |= htole32(IWN_RXON_TGG_PROT)((__uint32_t)((1 << 3)));
DPRINTF(("%s: 2ghz prot 0x%x\n", __func__,
    le32toh(sc->rxon.flags)));
}
switch (ic->ic_opmode) {
case IEEE80211_M_STA:
sc->rxon.mode = IWN_MODE_STA3;
sc->rxon.filter = htole32(IWN_FILTER_MULTICAST)((__uint32_t)((1 << 2)));
break;
case IEEE80211_M_MONITOR:
sc->rxon.mode = IWN_MODE_MONITOR6;
sc->rxon.filter = htole32(IWN_FILTER_MULTICAST |((__uint32_t)((1 << 2) | (1 << 1) | (1 << 0
)))
    IWN_FILTER_CTL | IWN_FILTER_PROMISC)((__uint32_t)((1 << 2) | (1 << 1) | (1 << 0
)));
break;
default:
/* Should not get there. */
break;
}
sc->rxon.cck_mask  = 0x0f;	/* not yet negotiated */
sc->rxon.ofdm_mask = 0xff;	/* not yet negotiated */
sc->rxon.ht_single_mask = 0xff;
sc->rxon.ht_dual_mask = 0xff;
sc->rxon.ht_triple_mask = 0xff;
rxchain =
   IWN_RXCHAIN_VALID(sc->rxchainmask)(((sc->rxchainmask) & ((1 << 0) | (1 << 1)
 | (1 << 2))) << 1) |
   IWN_RXCHAIN_MIMO_COUNT(sc->nrxchains)((sc->nrxchains) << 12) |
   IWN_RXCHAIN_IDLE_COUNT(sc->nrxchains)((sc->nrxchains) << 10);
if (ic->ic_opmode == IEEE80211_M_MONITOR) {
rxchain |= IWN_RXCHAIN_FORCE_SEL(sc->rxchainmask)(((sc->rxchainmask) & ((1 << 0) | (1 << 1)
 | (1 << 2))) << 4);
rxchain |= IWN_RXCHAIN_FORCE_MIMO_SEL(sc->rxchainmask)(((sc->rxchainmask) & ((1 << 0) | (1 << 1)
 | (1 << 2))) << 7);
   	rxchain |= (IWN_RXCHAIN_DRIVER_FORCE(1 << 0) | IWN_RXCHAIN_MIMO_FORCE(1 << 14));
}
sc->rxon.rxchain = htole16(rxchain)((__uint16_t)(rxchain));
DPRINTF(("setting configuration\n"));
DPRINTF(("%s: rxon chan %d flags %x cck %x ofdm %x rxchain %x\n",
   __func__, sc->rxon.chan, le32toh(sc->rxon.flags), sc->rxon.cck_mask,
   sc->rxon.ofdm_mask, sc->rxon.rxchain));
error = iwn_cmd(sc, IWN_CMD_RXON16, &sc->rxon, sc->rxonsz, 0);
if (error != 0) {
printf("%s: RXON command failed\n", sc->sc_dev.dv_xname);
return error;
}

ridx = (sc->sc_ic.ic_curmode == IEEE80211_MODE_11A) ?
   IWN_RIDX_OFDM64 : IWN_RIDX_CCK10;
if ((error = iwn_add_broadcast_node(sc, 0, ridx)) != 0) {
printf("%s: could not add broadcast node\n",
    sc->sc_dev.dv_xname);
return error;
}

/* Configuration has changed, set TX power accordingly. */
if ((error = ops->set_txpower(sc, 0)) != 0) {
printf("%s: could not set TX power\n", sc->sc_dev.dv_xname);
return error;
}

if ((error = iwn_set_critical_temp(sc)) != 0) {
printf("%s: could not set critical temperature\n",
    sc->sc_dev.dv_xname);
return error;
}

/* Set power saving level to CAM during initialization. */
if ((error = iwn_set_pslevel(sc, 0, 0, 0)) != 0) {
printf("%s: could not set power saving level\n",
    sc->sc_dev.dv_xname);
return error;
}
return 0;
5104}

5106uint16_t
5107iwn_get_active_dwell_time(struct iwn_softc *sc,
  uint16_t flags, uint8_t n_probes)
5109{
/* No channel? Default to 2GHz settings */
if (flags & IEEE80211_CHAN_2GHZ0x0080) {
return (IWN_ACTIVE_DWELL_TIME_2GHZ(30) +
IWN_ACTIVE_DWELL_FACTOR_2GHZ(3) * (n_probes + 1));
}

/* 5GHz dwell time */
return (IWN_ACTIVE_DWELL_TIME_5GHZ(20) +
   IWN_ACTIVE_DWELL_FACTOR_5GHZ(2) * (n_probes + 1));
5119}

5121/*
* Limit the total dwell time to 85% of the beacon interval.
*
* Returns the dwell time in milliseconds.
*/
5126uint16_t
5127iwn_limit_dwell(struct iwn_softc *sc, uint16_t dwell_time)
5128{
struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_node *ni = ic->ic_bss;
int bintval = 0;

/* bintval is in TU (1.024mS) */
if (ni != NULL((void *)0))
bintval = ni->ni_intval;

/*
* If it's non-zero, we should calculate the minimum of
* it and the DWELL_BASE.
*
* XXX Yes, the math should take into account that bintval
* is 1.024mS, not 1mS..
*/
if (ic->ic_state == IEEE80211_S_RUN && bintval > 0)
return (MIN(IWN_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))((((100))<(((bintval * 85) / 100)))?((100)):(((bintval * 85
) / 100))));

/* No association context? Default */
return dwell_time;
5149}

5151uint16_t
5152iwn_get_passive_dwell_time(struct iwn_softc *sc, uint16_t flags)
5153{
uint16_t passive;
if (flags & IEEE80211_CHAN_2GHZ0x0080) {
passive = IWN_PASSIVE_DWELL_BASE(100) + IWN_PASSIVE_DWELL_TIME_2GHZ(20);
} else {
passive = IWN_PASSIVE_DWELL_BASE(100) + IWN_PASSIVE_DWELL_TIME_5GHZ(10);
}

/* Clamp to the beacon interval if we're associated */
return (iwn_limit_dwell(sc, passive));
5163}

5165int
5166iwn_scan(struct iwn_softc *sc, uint16_t flags, int bgscan)
5167{
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_scan_hdr *hdr;
struct iwn_cmd_data *tx;
struct iwn_scan_essid *essid;
struct iwn_scan_chan *chan;
struct ieee80211_frame *wh;
struct ieee80211_rateset *rs;
struct ieee80211_channel *c;
uint8_t *buf, *frm;
uint16_t rxchain, dwell_active, dwell_passive;
uint8_t txant;
int buflen, error, is_active;

buf = malloc(IWN_SCAN_MAXSZ((1 << 11) - 4), M_DEVBUF2, M_NOWAIT0x0002 | M_ZERO0x0008);
if (buf == NULL((void *)0)) {
printf("%s: could not allocate buffer for scan command\n",
    sc->sc_dev.dv_xname);
return ENOMEM12;
}
hdr = (struct iwn_scan_hdr *)buf;
/*
* Move to the next channel if no frames are received within 10ms
* after sending the probe request.
*/
hdr->quiet_time = htole16(10)((__uint16_t)(10));		/* timeout in milliseconds */
hdr->quiet_threshold = htole16(1)((__uint16_t)(1));	/* min # of packets */

if (bgscan) {
int bintval;

/* Set maximum off-channel time. */
hdr->max_out = htole32(200 * 1024)((__uint32_t)(200 * 1024));

/* Configure scan pauses which service on-channel traffic. */
bintval = ic->ic_bss->ni_intval ? ic->ic_bss->ni_intval : 100;
hdr->pause_scan = htole32(((100 / bintval) << 22) |((__uint32_t)(((100 / bintval) << 22) | ((100 % bintval
) * 1024)))
    ((100 % bintval) * 1024))((__uint32_t)(((100 / bintval) << 22) | ((100 % bintval
) * 1024)));
}

/* Select antennas for scanning. */
rxchain =
   IWN_RXCHAIN_VALID(sc->rxchainmask)(((sc->rxchainmask) & ((1 << 0) | (1 << 1)
 | (1 << 2))) << 1) |
   IWN_RXCHAIN_FORCE_MIMO_SEL(sc->rxchainmask)(((sc->rxchainmask) & ((1 << 0) | (1 << 1)
 | (1 << 2))) << 7) |
   IWN_RXCHAIN_DRIVER_FORCE(1 << 0);
if ((flags & IEEE80211_CHAN_5GHZ0x0100) &&
   sc->hw_type == IWN_HW_REV_TYPE_49650) {
/*
 * On 4965 ant A and C must be avoided in 5GHz because of a
 * HW bug which causes very weak RSSI values being reported.
 */
rxchain |= IWN_RXCHAIN_FORCE_SEL(IWN_ANT_B)((((1 << 1)) & ((1 << 0) | (1 << 1) | (
<< 2))) << 4);
} else	/* Use all available RX antennas. */
rxchain |= IWN_RXCHAIN_FORCE_SEL(sc->rxchainmask)(((sc->rxchainmask) & ((1 << 0) | (1 << 1)
 | (1 << 2))) << 4);
hdr->rxchain = htole16(rxchain)((__uint16_t)(rxchain));
hdr->filter = htole32(IWN_FILTER_MULTICAST | IWN_FILTER_BEACON)((__uint32_t)((1 << 2) | (1 << 6)));

tx = (struct iwn_cmd_data *)(hdr + 1);
tx->flags = htole32(IWN_TX_AUTO_SEQ)((__uint32_t)((1 << 13)));
tx->id = sc->broadcast_id;
tx->lifetime = htole32(IWN_LIFETIME_INFINITE)((__uint32_t)(0xffffffff));

if (flags & IEEE80211_CHAN_5GHZ0x0100) {
/* Send probe requests at 6Mbps. */
tx->plcp = iwn_rates[IWN_RIDX_OFDM64].plcp;
rs = &ic->ic_sup_rates[IEEE80211_MODE_11A];
} else {
hdr->flags = htole32(IWN_RXON_24GHZ | IWN_RXON_AUTO)((__uint32_t)((1 << 0) | (1 << 2)));
if (bgscan && sc->hw_type == IWN_HW_REV_TYPE_49650 &&
    sc->rxon.chan > 14) {
	/*
	 * 4965 firmware can crash when sending probe requests
	 * with CCK rates while associated to a 5GHz AP.
	 * Send probe requests at 6Mbps OFDM as a workaround.
	 */
	tx->plcp = iwn_rates[IWN_RIDX_OFDM64].plcp;
} else {
	/* Send probe requests at 1Mbps. */
	tx->plcp = iwn_rates[IWN_RIDX_CCK10].plcp;
	tx->rflags = IWN_RFLAG_CCK(1 << 1);
}
rs = &ic->ic_sup_rates[IEEE80211_MODE_11G];
}
/* Use the first valid TX antenna. */
txant = IWN_LSB(sc->txchainmask)((((sc->txchainmask) - 1) & (sc->txchainmask)) ^ (sc
->txchainmask));
tx->rflags |= IWN_RFLAG_ANT(txant)((txant) << 6);

/*
* Only do active scanning if we're announcing a probe request
* for a given SSID (or more, if we ever add it to the driver.)
*/
is_active = 0;

/*
* If we're scanning for a specific SSID, add it to the command.
*/
essid = (struct iwn_scan_essid *)(tx + 1);
if (ic->ic_des_esslen != 0) {
essid[0].id = IEEE80211_ELEMID_SSID;
essid[0].len = ic->ic_des_esslen;
memcpy(essid[0].data, ic->ic_des_essid, ic->ic_des_esslen)__builtin_memcpy((essid[0].data), (ic->ic_des_essid), (ic->
ic_des_esslen));

is_active = 1;
}
/*
* Build a probe request frame.  Most of the following code is a
* copy & paste of what is done in net80211.
*/
wh = (struct ieee80211_frame *)(essid + 20);
wh->i_fc[0] = IEEE80211_FC0_VERSION_00x00 | IEEE80211_FC0_TYPE_MGT0x00 |
   IEEE80211_FC0_SUBTYPE_PROBE_REQ0x40;
wh->i_fc[1] = IEEE80211_FC1_DIR_NODS0x00;
IEEE80211_ADDR_COPY(wh->i_addr1, etherbroadcastaddr)__builtin_memcpy((wh->i_addr1), (etherbroadcastaddr), (6));
IEEE80211_ADDR_COPY(wh->i_addr2, ic->ic_myaddr)__builtin_memcpy((wh->i_addr2), (ic->ic_myaddr), (6));
IEEE80211_ADDR_COPY(wh->i_addr3, etherbroadcastaddr)__builtin_memcpy((wh->i_addr3), (etherbroadcastaddr), (6));
*(uint16_t *)&wh->i_dur[0] = 0;	/* filled by HW */
*(uint16_t *)&wh->i_seq[0] = 0;	/* filled by HW */

frm = (uint8_t *)(wh + 1);
frm = ieee80211_add_ssid(frm, NULL((void *)0), 0);
frm = ieee80211_add_rates(frm, rs);
if (rs->rs_nrates > IEEE80211_RATE_SIZE8)
frm = ieee80211_add_xrates(frm, rs);
if (ic->ic_flags & IEEE80211_F_HTON0x02000000)
frm = ieee80211_add_htcaps(frm, ic);

/* Set length of probe request. */
tx->len = htole16(frm - (uint8_t *)wh)((__uint16_t)(frm - (uint8_t *)wh));

/*
* If active scanning is requested but a certain channel is
* marked passive, we can do active scanning if we detect
* transmissions.
*
* There is an issue with some firmware versions that triggers
* a sysassert on a "good CRC threshold" of zero (== disabled),
* on a radar channel even though this means that we should NOT
* send probes.
*
* The "good CRC threshold" is the number of frames that we
* need to receive during our dwell time on a channel before
* sending out probes -- setting this to a huge value will
* mean we never reach it, but at the same time work around
* the aforementioned issue. Thus use IWN_GOOD_CRC_TH_NEVER
* here instead of IWN_GOOD_CRC_TH_DISABLED.
*
* This was fixed in later versions along with some other
* scan changes, and the threshold behaves as a flag in those
* versions.
*/

/*
* If we're doing active scanning, set the crc_threshold
* to a suitable value.  This is different to active veruss
* passive scanning depending upon the channel flags; the
* firmware will obey that particular check for us.
*/
if (sc->tlv_feature_flags & IWN_UCODE_TLV_FLAGS_NEWSCAN)
hdr->crc_threshold = is_active ?
    IWN_GOOD_CRC_TH_DEFAULT((__uint16_t)(1)) : IWN_GOOD_CRC_TH_DISABLED0;
else
hdr->crc_threshold = is_active ?
    IWN_GOOD_CRC_TH_DEFAULT((__uint16_t)(1)) : IWN_GOOD_CRC_TH_NEVER((__uint16_t)(0xffff));

chan = (struct iwn_scan_chan *)frm;
for (c  = &ic->ic_channels[1];
    c <= &ic->ic_channels[IEEE80211_CHAN_MAX255]; c++) {
if ((c->ic_flags & flags) != flags)
	continue;

chan->chan = htole16(ieee80211_chan2ieee(ic, c))((__uint16_t)(ieee80211_chan2ieee(ic, c)));
DPRINTFN(2, ("adding channel %d\n", chan->chan));
chan->flags = 0;
if (ic->ic_des_esslen != 0)
	chan->flags |= htole32(IWN_CHAN_NPBREQS(1))((__uint32_t)((((1 << (1)) - 1) << 1)));

if (c->ic_flags & IEEE80211_CHAN_PASSIVE0x0200)
	chan->flags |= htole32(IWN_CHAN_PASSIVE)((__uint32_t)((0 << 0)));
else
	chan->flags |= htole32(IWN_CHAN_ACTIVE)((__uint32_t)((1 << 0)));

/*
 * Calculate the active/passive dwell times.
 */

dwell_active = iwn_get_active_dwell_time(sc, flags, is_active);
dwell_passive = iwn_get_passive_dwell_time(sc, flags);

/* Make sure they're valid */
if (dwell_passive <= dwell_active)
	dwell_passive = dwell_active + 1;

chan->active = htole16(dwell_active)((__uint16_t)(dwell_active));
chan->passive = htole16(dwell_passive)((__uint16_t)(dwell_passive));

chan->dsp_gain = 0x6e;
if (IEEE80211_IS_CHAN_5GHZ(c)(((c)->ic_flags & 0x0100) != 0)) {
	chan->rf_gain = 0x3b;
} else {
	chan->rf_gain = 0x28;
}
hdr->nchan++;
chan++;
}

buflen = (uint8_t *)chan - buf;
hdr->len = htole16(buflen)((__uint16_t)(buflen));

error = iwn_cmd(sc, IWN_CMD_SCAN128, buf, buflen, 1);
if (error == 0) {
/*
 * The current mode might have been fixed during association.
 * Ensure all channels get scanned.
 */
if (IFM_MODE(ic->ic_media.ifm_cur->ifm_media)((ic->ic_media.ifm_cur->ifm_media) & 0x000000ff00000000ULL
) == IFM_AUTO0ULL)
	ieee80211_setmode(ic, IEEE80211_MODE_AUTO);

sc->sc_flags |= IWN_FLAG_SCANNING(1 << 10);
if (bgscan)
	sc->sc_flags |= IWN_FLAG_BGSCAN(1 << 9);
}
free(buf, M_DEVBUF2, IWN_SCAN_MAXSZ((1 << 11) - 4));
return error;
5390}

5392void
5393iwn_scan_abort(struct iwn_softc *sc)
5394{
iwn_cmd(sc, IWN_CMD_SCAN_ABORT129, NULL((void *)0), 0, 1);

/* XXX Cannot wait for status response in interrupt context. */
DELAY(100)(*delay_func)(100);

sc->sc_flags &= ~IWN_FLAG_SCANNING(1 << 10);
sc->sc_flags &= ~IWN_FLAG_BGSCAN(1 << 9);
5402}

5404int
5405iwn_bgscan(struct ieee80211com *ic)
5406{
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
int error;

if (sc->sc_flags & IWN_FLAG_SCANNING(1 << 10))
return 0;

error = iwn_scan(sc, IEEE80211_CHAN_2GHZ0x0080, 1);
if (error)
printf("%s: could not initiate background scan\n",
    sc->sc_dev.dv_xname);
return error;
5418}

5420void
5421iwn_rxon_configure_ht40(struct ieee80211com *ic, struct ieee80211_node *ni)
5422{
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
uint8_t sco = (ni->ni_htop0 & IEEE80211_HTOP0_SCO_MASK0x03);
enum ieee80211_htprot htprot = (ni->ni_htop1 &
   IEEE80211_HTOP1_PROT_MASK0x0003);

sc->rxon.flags &= ~htole32(IWN_RXON_HT_CHANMODE_MIXED2040 |((__uint32_t)((2 << 25) | (1 << 25) | (1 <<
 22)))
   IWN_RXON_HT_CHANMODE_PURE40 | IWN_RXON_HT_HT40MINUS)((__uint32_t)((2 << 25) | (1 << 25) | (1 <<
 22)));

if (ieee80211_node_supports_ht_chan40(ni) &&
   (sco == IEEE80211_HTOP0_SCO_SCA1 ||
   sco == IEEE80211_HTOP0_SCO_SCB3)) {
if (sco == IEEE80211_HTOP0_SCO_SCB3)
	sc->rxon.flags |= htole32(IWN_RXON_HT_HT40MINUS)((__uint32_t)((1 << 22)));
if (htprot == IEEE80211_HTPROT_20MHZ)
	sc->rxon.flags |= htole32(IWN_RXON_HT_CHANMODE_PURE40)((__uint32_t)((1 << 25)));
else
	sc->rxon.flags |= htole32(((__uint32_t)((2 << 25)))
	    IWN_RXON_HT_CHANMODE_MIXED2040)((__uint32_t)((2 << 25)));
}
5442}

5444int
5445iwn_rxon_ht40_enabled(struct iwn_softc *sc)
5446{
return ((le32toh(sc->rxon.flags)((__uint32_t)(sc->rxon.flags)) & IWN_RXON_HT_CHANMODE_MIXED2040(2 << 25)) ||
   (le32toh(sc->rxon.flags)((__uint32_t)(sc->rxon.flags)) & IWN_RXON_HT_CHANMODE_PURE40(1 << 25))) ? 1 : 0;
5449}

5451int
5452iwn_auth(struct iwn_softc *sc, int arg)
5453{
struct iwn_ops *ops = &sc->ops;
struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_node *ni = ic->ic_bss;
int error, ridx;
int bss_switch =
   (!IEEE80211_ADDR_EQ(sc->bss_node_addr, etheranyaddr)(__builtin_memcmp((sc->bss_node_addr), (etheranyaddr), (6)
) == 0) &&
   !IEEE80211_ADDR_EQ(sc->bss_node_addr, ni->ni_macaddr)(__builtin_memcmp((sc->bss_node_addr), (ni->ni_macaddr)
, (6)) == 0));

/* Update adapter configuration. */
IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid)__builtin_memcpy((sc->rxon.bssid), (ni->ni_bssid), (6));
sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan);
sc->rxon.flags = htole32(IWN_RXON_TSF | IWN_RXON_CTS_TO_SELF)((__uint32_t)((1 << 15) | (1 << 30)));
if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)(((ni->ni_chan)->ic_flags & 0x0080) != 0)) {
sc->rxon.flags |= htole32(IWN_RXON_AUTO | IWN_RXON_24GHZ)((__uint32_t)((1 << 2) | (1 << 0)));
if (ic->ic_flags & IEEE80211_F_USEPROT0x00100000)
	sc->rxon.flags |= htole32(IWN_RXON_TGG_PROT)((__uint32_t)((1 << 3)));
DPRINTF(("%s: 2ghz prot 0x%x\n", __func__,
    le32toh(sc->rxon.flags)));
}
if (ic->ic_flags & IEEE80211_F_SHSLOT0x00020000)
sc->rxon.flags |= htole32(IWN_RXON_SHSLOT)((__uint32_t)((1 << 4)));
else
sc->rxon.flags &= ~htole32(IWN_RXON_SHSLOT)((__uint32_t)((1 << 4)));
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE0x00040000)
sc->rxon.flags |= htole32(IWN_RXON_SHPREAMBLE)((__uint32_t)((1 << 5)));
else
sc->rxon.flags &= ~htole32(IWN_RXON_SHPREAMBLE)((__uint32_t)((1 << 5)));
switch (ic->ic_curmode) {
case IEEE80211_MODE_11A:
sc->rxon.cck_mask  = 0;
sc->rxon.ofdm_mask = 0x15;
break;
case IEEE80211_MODE_11B:
sc->rxon.cck_mask  = 0x03;
sc->rxon.ofdm_mask = 0;
break;
default:	/* Assume 802.11b/g/n. */
sc->rxon.cck_mask  = 0x0f;
sc->rxon.ofdm_mask = 0x15;
}
/* Configure 40MHz early to avoid problems on 6205 devices. */
iwn_rxon_configure_ht40(ic, ni);
DPRINTF(("%s: rxon chan %d flags %x cck %x ofdm %x\n", __func__,
   sc->rxon.chan, le32toh(sc->rxon.flags), sc->rxon.cck_mask,
   sc->rxon.ofdm_mask));
error = iwn_cmd(sc, IWN_CMD_RXON16, &sc->rxon, sc->rxonsz, 1);
if (error != 0) {
printf("%s: RXON command failed\n", sc->sc_dev.dv_xname);
return error;
}

/* Configuration has changed, set TX power accordingly. */
if ((error = ops->set_txpower(sc, 1)) != 0) {
printf("%s: could not set TX power\n", sc->sc_dev.dv_xname);
return error;
}
/*
* Reconfiguring RXON clears the firmware nodes table so we must
* add the broadcast node again.
*/
ridx = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan)(((ni->ni_chan)->ic_flags & 0x0100) != 0) ?
   IWN_RIDX_OFDM64 : IWN_RIDX_CCK10;
if ((error = iwn_add_broadcast_node(sc, 1, ridx)) != 0) {
printf("%s: could not add broadcast node\n",
    sc->sc_dev.dv_xname);
return error;
}

/*
* Make sure the firmware gets to see a beacon before we send
* the auth request. Otherwise the Tx attempt can fail due to
* the firmware's built-in regulatory domain enforcement.
* Delaying here for every incoming deauth frame can result in a DoS.
* Don't delay if we're here because of an incoming frame (arg != -1)
* or if we're already waiting for a response (ic_mgt_timer != 0).
* If we are switching APs after a background scan then net80211 has
* just faked the reception of a deauth frame from our old AP, so it
* is safe to delay in that case.
*/
if ((arg == -1 || bss_switch) && ic->ic_mgt_timer == 0)
DELAY(ni->ni_intval * 3 * IEEE80211_DUR_TU)(*delay_func)(ni->ni_intval * 3 * 1024);

/* We can now clear the cached address of our previous AP. */
memset(sc->bss_node_addr, 0, sizeof(sc->bss_node_addr))__builtin_memset((sc->bss_node_addr), (0), (sizeof(sc->
bss_node_addr)));

return 0;
5540}

5542int
5543iwn_run(struct iwn_softc *sc)
5544{
struct iwn_ops *ops = &sc->ops;
struct ieee80211com *ic = &sc->sc_ic;
struct ieee80211_node *ni = ic->ic_bss;
struct iwn_node *wn = (void *)ni;
struct iwn_node_info node;
int error;

if (ic->ic_opmode == IEEE80211_M_MONITOR) {
/* Link LED blinks while monitoring. */
iwn_set_led(sc, IWN_LED_LINK2, 50, 50);
return 0;
}
if ((error = iwn_set_timing(sc, ni)) != 0) {
printf("%s: could not set timing\n", sc->sc_dev.dv_xname);
return error;
}

/* Update adapter configuration. */
sc->rxon.associd = htole16(IEEE80211_AID(ni->ni_associd))((__uint16_t)(((ni->ni_associd) &~ 0xc000)));
/* Short preamble and slot time are negotiated when associating. */
sc->rxon.flags &= ~htole32(IWN_RXON_SHPREAMBLE | IWN_RXON_SHSLOT)((__uint32_t)((1 << 5) | (1 << 4)));
if (ic->ic_flags & IEEE80211_F_SHSLOT0x00020000)
sc->rxon.flags |= htole32(IWN_RXON_SHSLOT)((__uint32_t)((1 << 4)));
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE0x00040000)
sc->rxon.flags |= htole32(IWN_RXON_SHPREAMBLE)((__uint32_t)((1 << 5)));
sc->rxon.filter |= htole32(IWN_FILTER_BSS)((__uint32_t)((1 << 5)));

/* HT is negotiated when associating. */
if (ni->ni_flags & IEEE80211_NODE_HT0x0400) {
enum ieee80211_htprot htprot =
    (ni->ni_htop1 & IEEE80211_HTOP1_PROT_MASK0x0003);
DPRINTF(("%s: htprot = %d\n", __func__, htprot));
sc->rxon.flags |= htole32(IWN_RXON_HT_PROTMODE(htprot))((__uint32_t)(((htprot) << 23)));
} else
sc->rxon.flags &= ~htole32(IWN_RXON_HT_PROTMODE(3))((__uint32_t)(((3) << 23)));

iwn_rxon_configure_ht40(ic, ni);

if (IEEE80211_IS_CHAN_5GHZ(ni->ni_chan)(((ni->ni_chan)->ic_flags & 0x0100) != 0)) {
/* 11a or 11n 5GHz */
sc->rxon.cck_mask  = 0;
sc->rxon.ofdm_mask = 0x15;
} else if (ni->ni_flags & IEEE80211_NODE_HT0x0400) {
/* 11n 2GHz */
sc->rxon.cck_mask  = 0x0f;
sc->rxon.ofdm_mask = 0x15;
} else {
if (ni->ni_rates.rs_nrates == 4) {
	/* 11b */
	sc->rxon.cck_mask  = 0x03;
	sc->rxon.ofdm_mask = 0;
} else {
	/* assume 11g */
	sc->rxon.cck_mask  = 0x0f;
	sc->rxon.ofdm_mask = 0x15;
}
}
DPRINTF(("%s: rxon chan %d flags %x cck %x ofdm %x\n", __func__,
   sc->rxon.chan, le32toh(sc->rxon.flags), sc->rxon.cck_mask,
   sc->rxon.ofdm_mask));
error = iwn_cmd(sc, IWN_CMD_RXON16, &sc->rxon, sc->rxonsz, 1);
if (error != 0) {
printf("%s: could not update configuration\n",
    sc->sc_dev.dv_xname);
return error;
}

/* Configuration has changed, set TX power accordingly. */
if ((error = ops->set_txpower(sc, 1)) != 0) {
printf("%s: could not set TX power\n", sc->sc_dev.dv_xname);
return error;
}

/* Fake a join to initialize the TX rate. */
((struct iwn_node *)ni)->id = IWN_ID_BSS0;
iwn_newassoc(ic, ni, 1);

/* Add BSS node. */
memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node));
IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr)__builtin_memcpy((node.macaddr), (ni->ni_macaddr), (6));
node.id = IWN_ID_BSS0;
if (ni->ni_flags & IEEE80211_NODE_HT0x0400) {
node.htmask = (IWN_AMDPU_SIZE_FACTOR_MASK((0x3) << 19) |
    IWN_AMDPU_DENSITY_MASK((0x7) << 23));
node.htflags = htole32(((__uint32_t)((((ic->ic_ampdu_params & 0x03)) <<
 19) | (((ic->ic_ampdu_params & 0x1c) >> 2) <<
 23)))
    IWN_AMDPU_SIZE_FACTOR(((__uint32_t)((((ic->ic_ampdu_params & 0x03)) <<
 19) | (((ic->ic_ampdu_params & 0x1c) >> 2) <<
 23)))
	(ic->ic_ampdu_params & IEEE80211_AMPDU_PARAM_LE)) |((__uint32_t)((((ic->ic_ampdu_params & 0x03)) <<
 19) | (((ic->ic_ampdu_params & 0x1c) >> 2) <<
 23)))
    IWN_AMDPU_DENSITY(((__uint32_t)((((ic->ic_ampdu_params & 0x03)) <<
 19) | (((ic->ic_ampdu_params & 0x1c) >> 2) <<
 23)))
	(ic->ic_ampdu_params & IEEE80211_AMPDU_PARAM_SS) >> 2))((__uint32_t)((((ic->ic_ampdu_params & 0x03)) <<
 19) | (((ic->ic_ampdu_params & 0x1c) >> 2) <<
 23)));
if (iwn_rxon_ht40_enabled(sc))
	node.htflags |= htole32(IWN_40MHZ_ENABLE)((__uint32_t)((1 << 21)));
}
DPRINTF(("adding BSS node\n"));
error = ops->add_node(sc, &node, 1);
if (error != 0) {
printf("%s: could not add BSS node\n", sc->sc_dev.dv_xname);
return error;
}

/* Cache address of AP in case it changes after a background scan. */
IEEE80211_ADDR_COPY(sc->bss_node_addr, ni->ni_macaddr)__builtin_memcpy((sc->bss_node_addr), (ni->ni_macaddr),
 (6));

DPRINTF(("setting link quality for node %d\n", node.id));
if ((error = iwn_set_link_quality(sc, ni)) != 0) {
printf("%s: could not setup link quality for node %d\n",
    sc->sc_dev.dv_xname, node.id);
return error;
}

if ((error = iwn_init_sensitivity(sc)) != 0) {
printf("%s: could not set sensitivity\n",
    sc->sc_dev.dv_xname);
return error;
}
/* Start periodic calibration timer. */
sc->calib.state = IWN_CALIB_STATE_ASSOC1;
sc->calib_cnt = 0;
timeout_add_msec(&sc->calib_to, 500);

ieee80211_ra_node_init(&wn->rn);

/* Link LED always on while associated. */
iwn_set_led(sc, IWN_LED_LINK2, 0, 1);
return 0;
5669}

5671/*
* We support CCMP hardware encryption/decryption of unicast frames only.
* HW support for TKIP really sucks.  We should let TKIP die anyway.
*/
5675int
5676iwn_set_key(struct ieee80211com *ic, struct ieee80211_node *ni,
  struct ieee80211_key *k)
5678{
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
struct iwn_ops *ops = &sc->ops;
struct iwn_node *wn = (void *)ni;
struct iwn_node_info node;
uint16_t kflags;

if ((k->k_flags & IEEE80211_KEY_GROUP0x00000001) ||
   k->k_cipher != IEEE80211_CIPHER_CCMP)
return ieee80211_set_key(ic, ni, k);

kflags = IWN_KFLAG_CCMP(1 << 1) | IWN_KFLAG_MAP(1 << 3) | IWN_KFLAG_KID(k->k_id)((k->k_id) << 8);
if (k->k_flags & IEEE80211_KEY_GROUP0x00000001)
kflags |= IWN_KFLAG_GROUP(1 << 14);

memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node));
node.id = (k->k_flags & IEEE80211_KEY_GROUP0x00000001) ?
   sc->broadcast_id : wn->id;
node.control = IWN_NODE_UPDATE(1 << 0);
node.flags = IWN_FLAG_SET_KEY(1 << 0);
node.kflags = htole16(kflags)((__uint16_t)(kflags));
node.kid = k->k_id;
memcpy(node.key, k->k_key, k->k_len)__builtin_memcpy((node.key), (k->k_key), (k->k_len));
DPRINTF(("set key id=%d for node %d\n", k->k_id, node.id));
return ops->add_node(sc, &node, 1);
5703}

5705void
5706iwn_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni,
  struct ieee80211_key *k)
5708{
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
struct iwn_ops *ops = &sc->ops;
struct iwn_node *wn = (void *)ni;
struct iwn_node_info node;

if ((k->k_flags & IEEE80211_KEY_GROUP0x00000001) ||
   k->k_cipher != IEEE80211_CIPHER_CCMP) {
/* See comment about other ciphers above. */
ieee80211_delete_key(ic, ni, k);
return;
}
if (ic->ic_state != IEEE80211_S_RUN)
return;	/* Nothing to do. */
memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node));
node.id = (k->k_flags & IEEE80211_KEY_GROUP0x00000001) ?
   sc->broadcast_id : wn->id;
node.control = IWN_NODE_UPDATE(1 << 0);
node.flags = IWN_FLAG_SET_KEY(1 << 0);
node.kflags = htole16(IWN_KFLAG_INVALID)((__uint16_t)((1 << 11)));
node.kid = 0xff;
DPRINTF(("delete keys for node %d\n", node.id));
(void)ops->add_node(sc, &node, 1);
5731}

5733void
5734iwn_updatechan(struct ieee80211com *ic)
5735{
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;

if (ic->ic_state != IEEE80211_S_RUN)
return;

iwn_rxon_configure_ht40(ic, ic->ic_bss);
sc->ops.update_rxon(sc);
iwn_set_link_quality(sc, ic->ic_bss);
5744}

5746void
5747iwn_updateprot(struct ieee80211com *ic)
5748{
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
enum ieee80211_htprot htprot;

if (ic->ic_state != IEEE80211_S_RUN)
return;

/* Update ERP protection setting. */
if (ic->ic_flags & IEEE80211_F_USEPROT0x00100000)
sc->rxon.flags |= htole32(IWN_RXON_TGG_PROT)((__uint32_t)((1 << 3)));
else
sc->rxon.flags &= ~htole32(IWN_RXON_TGG_PROT)((__uint32_t)((1 << 3)));

/* Update HT protection mode setting. */
htprot = (ic->ic_bss->ni_htop1 & IEEE80211_HTOP1_PROT_MASK0x0003) >>
   IEEE80211_HTOP1_PROT_SHIFT0;
sc->rxon.flags &= ~htole32(IWN_RXON_HT_PROTMODE(3))((__uint32_t)(((3) << 23)));
sc->rxon.flags |= htole32(IWN_RXON_HT_PROTMODE(htprot))((__uint32_t)(((htprot) << 23)));

sc->ops.update_rxon(sc);
5768}

5770void
5771iwn_updateslot(struct ieee80211com *ic)
5772{
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;

if (ic->ic_state != IEEE80211_S_RUN)
return;

if (ic->ic_flags & IEEE80211_F_SHSLOT0x00020000)
sc->rxon.flags |= htole32(IWN_RXON_SHSLOT)((__uint32_t)((1 << 4)));
else
sc->rxon.flags &= ~htole32(IWN_RXON_SHSLOT)((__uint32_t)((1 << 4)));

if (ic->ic_flags & IEEE80211_F_SHPREAMBLE0x00040000)
sc->rxon.flags |= htole32(IWN_RXON_SHPREAMBLE)((__uint32_t)((1 << 5)));
else
sc->rxon.flags &= ~htole32(IWN_RXON_SHPREAMBLE)((__uint32_t)((1 << 5)));

sc->ops.update_rxon(sc);
5789}

5791void
5792iwn_update_rxon_restore_power(struct iwn_softc *sc)
5793{
struct ieee80211com *ic = &sc->sc_ic;
struct iwn_ops *ops = &sc->ops;
int error;

DELAY(100)(*delay_func)(100);

/* All RXONs wipe the firmware's txpower table. Restore it. */
error = ops->set_txpower(sc, 1);
if (error != 0)
printf("%s: could not set TX power\n", sc->sc_dev.dv_xname);

DELAY(100)(*delay_func)(100);

/* Restore power saving level */
if (ic->ic_flags & IEEE80211_F_PMGTON0x00000400)
error = iwn_set_pslevel(sc, 0, 3, 1);
else
error = iwn_set_pslevel(sc, 0, 0, 1);
if (error != 0)
printf("%s: could not set PS level\n", sc->sc_dev.dv_xname);
5814}

5816void
5817iwn5000_update_rxon(struct iwn_softc *sc)
5818{
struct iwn_rxon_assoc rxon_assoc;
int s, error;

/* Update RXON config. */
memset(&rxon_assoc, 0, sizeof(rxon_assoc))__builtin_memset((&rxon_assoc), (0), (sizeof(rxon_assoc))
);
rxon_assoc.flags = sc->rxon.flags;
rxon_assoc.filter = sc->rxon.filter;
rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask;
rxon_assoc.cck_mask = sc->rxon.cck_mask;
rxon_assoc.ht_single_mask = sc->rxon.ht_single_mask;
rxon_assoc.ht_dual_mask = sc->rxon.ht_dual_mask;
rxon_assoc.ht_triple_mask = sc->rxon.ht_triple_mask;
rxon_assoc.rxchain = sc->rxon.rxchain;
rxon_assoc.acquisition = sc->rxon.acquisition;

s = splnet()splraise(0x7);

error = iwn_cmd(sc, IWN_CMD_RXON_ASSOC17, &rxon_assoc,
   sizeof(rxon_assoc), 1);
if (error != 0)
printf("%s: RXON_ASSOC command failed\n", sc->sc_dev.dv_xname);

iwn_update_rxon_restore_power(sc);

splx(s)spllower(s);
5844}

5846void
5847iwn4965_update_rxon(struct iwn_softc *sc)
5848{
struct iwn4965_rxon_assoc rxon_assoc;
int s, error;

/* Update RXON config. */
memset(&rxon_assoc, 0, sizeof(rxon_assoc))__builtin_memset((&rxon_assoc), (0), (sizeof(rxon_assoc))
);
rxon_assoc.flags = sc->rxon.flags;
rxon_assoc.filter = sc->rxon.filter;
rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask;
rxon_assoc.cck_mask = sc->rxon.cck_mask;
rxon_assoc.ht_single_mask = sc->rxon.ht_single_mask;
rxon_assoc.ht_dual_mask = sc->rxon.ht_dual_mask;
rxon_assoc.rxchain = sc->rxon.rxchain;

s = splnet()splraise(0x7);

error = iwn_cmd(sc, IWN_CMD_RXON_ASSOC17, &rxon_assoc,
   sizeof(rxon_assoc), 1);
if (error != 0)
printf("%s: RXON_ASSOC command failed\n", sc->sc_dev.dv_xname);

iwn_update_rxon_restore_power(sc);

splx(s)spllower(s);
5872}

5874/*
* This function is called by upper layer when an ADDBA request is received
* from another STA and before the ADDBA response is sent.
*/
5878int
5879iwn_ampdu_rx_start(struct ieee80211com *ic, struct ieee80211_node *ni,
  uint8_t tid)
5881{
struct ieee80211_rx_ba *ba = &ni->ni_rx_ba[tid];
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
struct iwn_ops *ops = &sc->ops;
struct iwn_node *wn = (void *)ni;
struct iwn_node_info node;

memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node));
node.id = wn->id;
node.control = IWN_NODE_UPDATE(1 << 0);
node.flags = IWN_FLAG_SET_ADDBA(1 << 3);
node.addba_tid = tid;
node.addba_ssn = htole16(ba->ba_winstart)((__uint16_t)(ba->ba_winstart));
DPRINTF(("ADDBA RA=%d TID=%d SSN=%d\n", wn->id, tid,
   ba->ba_winstart));
/* XXX async command, so firmware may still fail to add BA agreement */
return ops->add_node(sc, &node, 1);
5898}

5900/*
* This function is called by upper layer on teardown of an HT-immediate
* Block Ack agreement (e.g., upon receipt of a DELBA frame).
*/
5904void
5905iwn_ampdu_rx_stop(struct ieee80211com *ic, struct ieee80211_node *ni,
  uint8_t tid)
5907{
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
struct iwn_ops *ops = &sc->ops;
struct iwn_node *wn = (void *)ni;
struct iwn_node_info node;

memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node));
node.id = wn->id;
node.control = IWN_NODE_UPDATE(1 << 0);
node.flags = IWN_FLAG_SET_DELBA(1 << 4);
node.delba_tid = tid;
DPRINTF(("DELBA RA=%d TID=%d\n", wn->id, tid));
(void)ops->add_node(sc, &node, 1);
5920}

5922/*
* This function is called by upper layer when an ADDBA response is received
* from another STA.
*/
5926int
5927iwn_ampdu_tx_start(struct ieee80211com *ic, struct ieee80211_node *ni,
  uint8_t tid)
5929{
struct ieee80211_tx_ba *ba = &ni->ni_tx_ba[tid];
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
struct iwn_ops *ops = &sc->ops;
struct iwn_node *wn = (void *)ni;
struct iwn_node_info node;
int qid = sc->first_agg_txq + tid;
int error;

/* Ensure we can map this TID to an aggregation queue. */
if (tid >= IWN_NUM_AMPDU_TID8 || ba->ba_winsize > IWN_SCHED_WINSZ64 ||
   qid > sc->ntxqs || (sc->agg_queue_mask & (1 << qid)))
return ENOSPC28;

/* Enable TX for the specified RA/TID. */
wn->disable_tid &= ~(1 << tid);
memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node));
node.id = wn->id;
node.control = IWN_NODE_UPDATE(1 << 0);
node.flags = IWN_FLAG_SET_DISABLE_TID(1 << 1);
node.disable_tid = htole16(wn->disable_tid)((__uint16_t)(wn->disable_tid));
error = ops->add_node(sc, &node, 1);
if (error != 0)
return error;

if ((error = iwn_nic_lock(sc)) != 0)
return error;
ops->ampdu_tx_start(sc, ni, tid, ba->ba_winstart);
iwn_nic_unlock(sc);

sc->agg_queue_mask |= (1 << qid);
sc->sc_tx_ba[tid].wn = wn;
ba->ba_bitmap = 0;

return 0;
5964}

5966void
5967iwn_ampdu_tx_stop(struct ieee80211com *ic, struct ieee80211_node *ni,
  uint8_t tid)
5969{
struct ieee80211_tx_ba *ba = &ni->ni_tx_ba[tid];
struct iwn_softc *sc = ic->ic_softcic_ac.ac_if.if_softc;
struct iwn_ops *ops = &sc->ops;
int qid = sc->first_agg_txq + tid;
struct iwn_node *wn = (void *)ni;
struct iwn_node_info node;

/* Discard all frames in the current window. */
iwn_ampdu_txq_advance(sc, &sc->txq[qid], qid,
   IWN_AGG_SSN_TO_TXQ_IDX(ba->ba_winend)((ba->ba_winend) & (256 - 1)));

if (iwn_nic_lock(sc) != 0)
return;
ops->ampdu_tx_stop(sc, tid, ba->ba_winstart);
iwn_nic_unlock(sc);

sc->agg_queue_mask &= ~(1 << qid);
sc->sc_tx_ba[tid].wn = NULL((void *)0);
ba->ba_bitmap = 0;

/* Disable TX for the specified RA/TID. */
wn->disable_tid |= (1 << tid);
memset(&node, 0, sizeof node)__builtin_memset((&node), (0), (sizeof node));
node.id = wn->id;
node.control = IWN_NODE_UPDATE(1 << 0);
node.flags = IWN_FLAG_SET_DISABLE_TID(1 << 1);
node.disable_tid = htole16(wn->disable_tid)((__uint16_t)(wn->disable_tid));
ops->add_node(sc, &node, 1);
5998}

6000void
6001iwn4965_ampdu_tx_start(struct iwn_softc *sc, struct ieee80211_node *ni,
  uint8_t tid, uint16_t ssn)
6003{
struct iwn_node *wn = (void *)ni;
int qid = IWN4965_FIRST_AGG_TXQUEUE7 + tid;
uint16_t idx = IWN_AGG_SSN_TO_TXQ_IDX(ssn)((ssn) & (256 - 1));

/* Stop TX scheduler while we're changing its configuration. */
iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x104 + (qid) * 4),
   IWN4965_TXQ_STATUS_CHGACT(1 << 10));

/* Assign RA/TID translation to the queue. */
iwn_mem_write_2(sc, sc->sched_base + IWN4965_SCHED_TRANS_TBL(qid)(0x500 + (qid) * 2),
   wn->id << 4 | tid);

/* Enable chain-building mode for the queue. */
iwn_prph_setbits(sc, IWN4965_SCHED_QCHAIN_SEL(0xa02c00 + 0x0d0), 1 << qid);

/* Set starting sequence number from the ADDBA request. */
sc->txq[qid].cur = sc->txq[qid].read = idx;
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | idx)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
qid << 8 | idx))));
iwn_prph_write(sc, IWN4965_SCHED_QUEUE_RDPTR(qid)(0xa02c00 + 0x064 + (qid) * 4), ssn);

/* Set scheduler window size. */
iwn_mem_write(sc, sc->sched_base + IWN4965_SCHED_QUEUE_OFFSET(qid)(0x380 + (qid) * 8),
   IWN_SCHED_WINSZ64);
/* Set scheduler frame limit. */
iwn_mem_write(sc, sc->sched_base + IWN4965_SCHED_QUEUE_OFFSET(qid)(0x380 + (qid) * 8) + 4,
   IWN_SCHED_LIMIT64 << 16);

/* Enable interrupts for the queue. */
iwn_prph_setbits(sc, IWN4965_SCHED_INTR_MASK(0xa02c00 + 0x0e4), 1 << qid);

/* Mark the queue as active. */
iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x104 + (qid) * 4),
   IWN4965_TXQ_STATUS_ACTIVE0x0007fc01 | IWN4965_TXQ_STATUS_AGGR_ENA(1 << 5 | 1 << 8) |
   iwn_tid2fifo[tid] << 1);
6038}

6040void
6041iwn4965_ampdu_tx_stop(struct iwn_softc *sc, uint8_t tid, uint16_t ssn)
6042{
int qid = IWN4965_FIRST_AGG_TXQUEUE7 + tid;
uint16_t idx = IWN_AGG_SSN_TO_TXQ_IDX(ssn)((ssn) & (256 - 1));

/* Stop TX scheduler while we're changing its configuration. */
iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x104 + (qid) * 4),
   IWN4965_TXQ_STATUS_CHGACT(1 << 10));

/* Set starting sequence number from the ADDBA request. */
sc->txq[qid].cur = sc->txq[qid].read = idx;
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | idx)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
qid << 8 | idx))));
iwn_prph_write(sc, IWN4965_SCHED_QUEUE_RDPTR(qid)(0xa02c00 + 0x064 + (qid) * 4), ssn);

/* Disable interrupts for the queue. */
iwn_prph_clrbits(sc, IWN4965_SCHED_INTR_MASK(0xa02c00 + 0x0e4), 1 << qid);

/* Mark the queue as inactive. */
iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x104 + (qid) * 4),
   IWN4965_TXQ_STATUS_INACTIVE0x0007fc00 | iwn_tid2fifo[tid] << 1);
6061}

6063void
6064iwn5000_ampdu_tx_start(struct iwn_softc *sc, struct ieee80211_node *ni,
  uint8_t tid, uint16_t ssn)
6066{
int qid = IWN5000_FIRST_AGG_TXQUEUE10 + tid;
int idx = IWN_AGG_SSN_TO_TXQ_IDX(ssn)((ssn) & (256 - 1));
struct iwn_node *wn = (void *)ni;

/* Stop TX scheduler while we're changing its configuration. */
iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x10c + (qid) * 4),
   IWN5000_TXQ_STATUS_CHGACT(1 << 19));

/* Assign RA/TID translation to the queue. */
iwn_mem_write_2(sc, sc->sched_base + IWN5000_SCHED_TRANS_TBL(qid)(0x7e0 + (qid) * 2),
   wn->id << 4 | tid);

/* Enable chain-building mode for the queue. */
iwn_prph_setbits(sc, IWN5000_SCHED_QCHAIN_SEL(0xa02c00 + 0x0e8), 1 << qid);

/* Enable aggregation for the queue. */
iwn_prph_setbits(sc, IWN5000_SCHED_AGGR_SEL(0xa02c00 + 0x248), 1 << qid);

/* Set starting sequence number from the ADDBA request. */
sc->txq[qid].cur = sc->txq[qid].read = idx;
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | idx)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
qid << 8 | idx))));
iwn_prph_write(sc, IWN5000_SCHED_QUEUE_RDPTR(qid)(0xa02c00 + 0x068 + (qid) * 4), ssn);

/* Set scheduler window size and frame limit. */
iwn_mem_write(sc, sc->sched_base + IWN5000_SCHED_QUEUE_OFFSET(qid)(0x600 + (qid) * 8) + 4,
   IWN_SCHED_LIMIT64 << 16 | IWN_SCHED_WINSZ64);

/* Enable interrupts for the queue. */
iwn_prph_setbits(sc, IWN5000_SCHED_INTR_MASK(0xa02c00 + 0x108), 1 << qid);

/* Mark the queue as active. */
iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x10c + (qid) * 4),
   IWN5000_TXQ_STATUS_ACTIVE0x00ff0018 | iwn_tid2fifo[tid]);
6100}

6102void
6103iwn5000_ampdu_tx_stop(struct iwn_softc *sc, uint8_t tid, uint16_t ssn)
6104{
int qid = IWN5000_FIRST_AGG_TXQUEUE10 + tid;
int idx = IWN_AGG_SSN_TO_TXQ_IDX(ssn)((ssn) & (256 - 1));

/* Stop TX scheduler while we're changing its configuration. */
iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x10c + (qid) * 4),
   IWN5000_TXQ_STATUS_CHGACT(1 << 19));

/* Disable aggregation for the queue. */
iwn_prph_clrbits(sc, IWN5000_SCHED_AGGR_SEL(0xa02c00 + 0x248), 1 << qid);

/* Set starting sequence number from the ADDBA request. */
sc->txq[qid].cur = sc->txq[qid].read = idx;
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | idx)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
qid << 8 | idx))));
iwn_prph_write(sc, IWN5000_SCHED_QUEUE_RDPTR(qid)(0xa02c00 + 0x068 + (qid) * 4), ssn);

/* Disable interrupts for the queue. */
iwn_prph_clrbits(sc, IWN5000_SCHED_INTR_MASK(0xa02c00 + 0x108), 1 << qid);

/* Mark the queue as inactive. */
iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x10c + (qid) * 4),
   IWN5000_TXQ_STATUS_INACTIVE0x00ff0010 | iwn_tid2fifo[tid]);
6126}

6128/*
* Query calibration tables from the initialization firmware.  We do this
* only once at first boot.  Called from a process context.
*/
6132int
6133iwn5000_query_calibration(struct iwn_softc *sc)
6134{
struct iwn5000_calib_config cmd;
int error;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.ucode.once.enable = 0xffffffff;
cmd.ucode.once.start  = 0xffffffff;
cmd.ucode.once.send   = 0xffffffff;
cmd.ucode.flags       = 0xffffffff;
DPRINTF(("sending calibration query\n"));
error = iwn_cmd(sc, IWN5000_CMD_CALIB_CONFIG101, &cmd, sizeof cmd, 0);
if (error != 0)
return error;

/* Wait at most two seconds for calibration to complete. */
if (!(sc->sc_flags & IWN_FLAG_CALIB_DONE(1 << 2)))
error = tsleep_nsec(sc, PCATCH0x100, "iwncal", SEC_TO_NSEC(2));
return error;
6152}

6154/*
* Send calibration results to the runtime firmware.  These results were
* obtained on first boot from the initialization firmware.
*/
6158int
6159iwn5000_send_calibration(struct iwn_softc *sc)
6160{
int idx, error;

for (idx = 0; idx < 5; idx++) {
if (sc->calibcmd[idx].buf == NULL((void *)0))
	continue;	/* No results available. */
DPRINTF(("send calibration result idx=%d len=%d\n",
    idx, sc->calibcmd[idx].len));
error = iwn_cmd(sc, IWN_CMD_PHY_CALIB176, sc->calibcmd[idx].buf,
    sc->calibcmd[idx].len, 0);
if (error != 0) {
	printf("%s: could not send calibration result\n",
	    sc->sc_dev.dv_xname);
	return error;
}
}
return 0;
6177}

6179int
6180iwn5000_send_wimax_coex(struct iwn_softc *sc)
6181{
struct iwn5000_wimax_coex wimax;

6184#ifdef notyet
if (sc->hw_type == IWN_HW_REV_TYPE_60508) {
/* Enable WiMAX coexistence for combo adapters. */
wimax.flags =
    IWN_WIMAX_COEX_ASSOC_WA_UNMASK(1 << 3) |
    IWN_WIMAX_COEX_UNASSOC_WA_UNMASK(1 << 2) |
    IWN_WIMAX_COEX_STA_TABLE_VALID(1 << 0) |
    IWN_WIMAX_COEX_ENABLE(1 << 7);
memcpy(wimax.events, iwn6050_wimax_events,__builtin_memcpy((wimax.events), (iwn6050_wimax_events), (sizeof
 iwn6050_wimax_events))
    sizeof iwn6050_wimax_events)__builtin_memcpy((wimax.events), (iwn6050_wimax_events), (sizeof
 iwn6050_wimax_events));
} else
6195#endif
{
/* Disable WiMAX coexistence. */
wimax.flags = 0;
memset(wimax.events, 0, sizeof wimax.events)__builtin_memset((wimax.events), (0), (sizeof wimax.events));
}
DPRINTF(("Configuring WiMAX coexistence\n"));
return iwn_cmd(sc, IWN5000_CMD_WIMAX_COEX90, &wimax, sizeof wimax, 0);
6203}

6205int
6206iwn5000_crystal_calib(struct iwn_softc *sc)
6207{
struct iwn5000_phy_calib_crystal cmd;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.code = IWN5000_PHY_CALIB_CRYSTAL15;
cmd.ngroups = 1;
cmd.isvalid = 1;
cmd.cap_pin[0] = letoh32(sc->eeprom_crystal)((__uint32_t)(sc->eeprom_crystal)) & 0xff;
cmd.cap_pin[1] = (letoh32(sc->eeprom_crystal)((__uint32_t)(sc->eeprom_crystal)) >> 16) & 0xff;
DPRINTF(("sending crystal calibration %d, %d\n",
   cmd.cap_pin[0], cmd.cap_pin[1]));
return iwn_cmd(sc, IWN_CMD_PHY_CALIB176, &cmd, sizeof cmd, 0);
6219}

6221int
6222iwn6000_temp_offset_calib(struct iwn_softc *sc)
6223{
struct iwn6000_phy_calib_temp_offset cmd;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.code = IWN6000_PHY_CALIB_TEMP_OFFSET18;
cmd.ngroups = 1;
cmd.isvalid = 1;
if (sc->eeprom_temp != 0)
cmd.offset = htole16(sc->eeprom_temp)((__uint16_t)(sc->eeprom_temp));
else
cmd.offset = htole16(IWN_DEFAULT_TEMP_OFFSET)((__uint16_t)(2700));
DPRINTF(("setting radio sensor offset to %d\n", letoh16(cmd.offset)));
return iwn_cmd(sc, IWN_CMD_PHY_CALIB176, &cmd, sizeof cmd, 0);
6236}

6238int
6239iwn2000_temp_offset_calib(struct iwn_softc *sc)
6240{
struct iwn2000_phy_calib_temp_offset cmd;

memset(&cmd, 0, sizeof cmd)__builtin_memset((&cmd), (0), (sizeof cmd));
cmd.code = IWN2000_PHY_CALIB_TEMP_OFFSET18;
cmd.ngroups = 1;
cmd.isvalid = 1;
if (sc->eeprom_rawtemp != 0) {
cmd.offset_low = htole16(sc->eeprom_rawtemp)((__uint16_t)(sc->eeprom_rawtemp));
cmd.offset_high = htole16(sc->eeprom_temp)((__uint16_t)(sc->eeprom_temp));
} else {
cmd.offset_low = htole16(IWN_DEFAULT_TEMP_OFFSET)((__uint16_t)(2700));
cmd.offset_high = htole16(IWN_DEFAULT_TEMP_OFFSET)((__uint16_t)(2700));
}
cmd.burnt_voltage_ref = htole16(sc->eeprom_voltage)((__uint16_t)(sc->eeprom_voltage));
DPRINTF(("setting radio sensor offset to %d:%d, voltage to %d\n",
   letoh16(cmd.offset_low), letoh16(cmd.offset_high),
   letoh16(cmd.burnt_voltage_ref)));
return iwn_cmd(sc, IWN_CMD_PHY_CALIB176, &cmd, sizeof cmd, 0);
6259}

6261/*
* This function is called after the runtime firmware notifies us of its
* readiness (called in a process context).
*/
6265int
6266iwn4965_post_alive(struct iwn_softc *sc)
6267{
int error, qid;

if ((error = iwn_nic_lock(sc)) != 0)
return error;

/* Clear TX scheduler state in SRAM. */
sc->sched_base = iwn_prph_read(sc, IWN_SCHED_SRAM_ADDR(0xa02c00 + 0x000));
iwn_mem_set_region_4(sc, sc->sched_base + IWN4965_SCHED_CTX_OFF0x380, 0,
   IWN4965_SCHED_CTX_LEN416 / sizeof (uint32_t));

/* Set physical address of TX scheduler rings (1KB aligned). */
iwn_prph_write(sc, IWN4965_SCHED_DRAM_ADDR(0xa02c00 + 0x010), sc->sched_dma.paddr >> 10);

IWN_SETBITS(sc, IWN_FH_TX_CHICKEN, IWN_FH_TX_CHICKEN_SCHED_RETRY)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1e98)), (
((((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x1e98)))) |
 ((1 << 1))))));

/* Disable chain mode for all our 16 queues. */
iwn_prph_write(sc, IWN4965_SCHED_QCHAIN_SEL(0xa02c00 + 0x0d0), 0);

for (qid = 0; qid < IWN4965_NTXQUEUES16; qid++) {
iwn_prph_write(sc, IWN4965_SCHED_QUEUE_RDPTR(qid)(0xa02c00 + 0x064 + (qid) * 4), 0);
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
qid << 8 | 0))));

/* Set scheduler window size. */
iwn_mem_write(sc, sc->sched_base +
    IWN4965_SCHED_QUEUE_OFFSET(qid)(0x380 + (qid) * 8), IWN_SCHED_WINSZ64);
/* Set scheduler frame limit. */
iwn_mem_write(sc, sc->sched_base +
    IWN4965_SCHED_QUEUE_OFFSET(qid)(0x380 + (qid) * 8) + 4,
    IWN_SCHED_LIMIT64 << 16);
}

/* Enable interrupts for all our 16 queues. */
iwn_prph_write(sc, IWN4965_SCHED_INTR_MASK(0xa02c00 + 0x0e4), 0xffff);
/* Identify TX FIFO rings (0-7). */
iwn_prph_write(sc, IWN4965_SCHED_TXFACT(0xa02c00 + 0x01c), 0xff);

/* Mark TX rings (4 EDCA + cmd + 2 HCCA) as active. */
for (qid = 0; qid < 7; qid++) {
static uint8_t qid2fifo[] = { 3, 2, 1, 0, 4, 5, 6 };
iwn_prph_write(sc, IWN4965_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x104 + (qid) * 4),
    IWN4965_TXQ_STATUS_ACTIVE0x0007fc01 | qid2fifo[qid] << 1);
}
iwn_nic_unlock(sc);
return 0;
6312}

6314/*
* This function is called after the initialization or runtime firmware
* notifies us of its readiness (called in a process context).
*/
6318int
6319iwn5000_post_alive(struct iwn_softc *sc)
6320{
int error, qid;

/* Switch to using ICT interrupt mode. */
iwn5000_ict_reset(sc);

if ((error = iwn_nic_lock(sc)) != 0)
return error;

/* Clear TX scheduler state in SRAM. */
sc->sched_base = iwn_prph_read(sc, IWN_SCHED_SRAM_ADDR(0xa02c00 + 0x000));
iwn_mem_set_region_4(sc, sc->sched_base + IWN5000_SCHED_CTX_OFF0x600, 0,
   IWN5000_SCHED_CTX_LEN520 / sizeof (uint32_t));

/* Set physical address of TX scheduler rings (1KB aligned). */
iwn_prph_write(sc, IWN5000_SCHED_DRAM_ADDR(0xa02c00 + 0x008), sc->sched_dma.paddr >> 10);

/* Disable scheduler chain extension (enabled by default in HW). */
iwn_prph_write(sc, IWN5000_SCHED_CHAINEXT_EN(0xa02c00 + 0x244), 0);

IWN_SETBITS(sc, IWN_FH_TX_CHICKEN, IWN_FH_TX_CHICKEN_SCHED_RETRY)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1e98)), (
((((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x1e98)))) |
 ((1 << 1))))));

/* Enable chain mode for all queues, except command queue. */
iwn_prph_write(sc, IWN5000_SCHED_QCHAIN_SEL(0xa02c00 + 0x0e8), 0xfffef);
iwn_prph_write(sc, IWN5000_SCHED_AGGR_SEL(0xa02c00 + 0x248), 0);

for (qid = 0; qid < IWN5000_NTXQUEUES20; qid++) {
iwn_prph_write(sc, IWN5000_SCHED_QUEUE_RDPTR(qid)(0xa02c00 + 0x068 + (qid) * 4), 0);
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, qid << 8 | 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x460)), ((
qid << 8 | 0))));

iwn_mem_write(sc, sc->sched_base +
    IWN5000_SCHED_QUEUE_OFFSET(qid)(0x600 + (qid) * 8), 0);
/* Set scheduler window size and frame limit. */
iwn_mem_write(sc, sc->sched_base +
    IWN5000_SCHED_QUEUE_OFFSET(qid)(0x600 + (qid) * 8) + 4,
    IWN_SCHED_LIMIT64 << 16 | IWN_SCHED_WINSZ64);
}

/* Enable interrupts for all our 20 queues. */
iwn_prph_write(sc, IWN5000_SCHED_INTR_MASK(0xa02c00 + 0x108), 0xfffff);
/* Identify TX FIFO rings (0-7). */
iwn_prph_write(sc, IWN5000_SCHED_TXFACT(0xa02c00 + 0x010), 0xff);

/* Mark TX rings (4 EDCA + cmd + 2 HCCA) as active. */
for (qid = 0; qid < 7; qid++) {
static uint8_t qid2fifo[] = { 3, 2, 1, 0, 7, 5, 6 };
iwn_prph_write(sc, IWN5000_SCHED_QUEUE_STATUS(qid)(0xa02c00 + 0x10c + (qid) * 4),
    IWN5000_TXQ_STATUS_ACTIVE0x00ff0018 | qid2fifo[qid]);
}
iwn_nic_unlock(sc);

/* Configure WiMAX coexistence for combo adapters. */
error = iwn5000_send_wimax_coex(sc);
if (error != 0) {
printf("%s: could not configure WiMAX coexistence\n",
    sc->sc_dev.dv_xname);
return error;
}
if (sc->hw_type != IWN_HW_REV_TYPE_51504) {
/* Perform crystal calibration. */
error = iwn5000_crystal_calib(sc);
if (error != 0) {
	printf("%s: crystal calibration failed\n",
	    sc->sc_dev.dv_xname);
	return error;
}
}
if (!(sc->sc_flags & IWN_FLAG_CALIB_DONE(1 << 2))) {
/* Query calibration from the initialization firmware. */
if ((error = iwn5000_query_calibration(sc)) != 0) {
	printf("%s: could not query calibration\n",
	    sc->sc_dev.dv_xname);
	return error;
}
/*
 * We have the calibration results now, reboot with the
 * runtime firmware (call ourselves recursively!)
 */
iwn_hw_stop(sc);
error = iwn_hw_init(sc);
} else {
/* Send calibration results to runtime firmware. */
error = iwn5000_send_calibration(sc);
}
return error;
6405}

6407/*
* The firmware boot code is small and is intended to be copied directly into
* the NIC internal memory (no DMA transfer).
*/
6411int
6412iwn4965_load_bootcode(struct iwn_softc *sc, const uint8_t *ucode, int size)
6413{
int error, ntries;

size /= sizeof (uint32_t);

if ((error = iwn_nic_lock(sc)) != 0)
return error;

/* Copy microcode image into NIC memory. */
iwn_prph_write_region_4(sc, IWN_BSM_SRAM_BASE0x3800,
   (const uint32_t *)ucode, size);

iwn_prph_write(sc, IWN_BSM_WR_MEM_SRC0x3404, 0);
iwn_prph_write(sc, IWN_BSM_WR_MEM_DST0x3408, IWN_FW_TEXT_BASE0x00000000);
iwn_prph_write(sc, IWN_BSM_WR_DWCOUNT0x340c, size);

/* Start boot load now. */
iwn_prph_write(sc, IWN_BSM_WR_CTRL0x3400, IWN_BSM_WR_CTRL_START(1U << 31));

/* Wait for transfer to complete. */
for (ntries = 0; ntries < 1000; ntries++) {
if (!(iwn_prph_read(sc, IWN_BSM_WR_CTRL0x3400) &
    IWN_BSM_WR_CTRL_START(1U << 31)))
	break;
DELAY(10)(*delay_func)(10);
}
if (ntries == 1000) {
printf("%s: could not load boot firmware\n",
    sc->sc_dev.dv_xname);
iwn_nic_unlock(sc);
return ETIMEDOUT60;
}

/* Enable boot after power up. */
iwn_prph_write(sc, IWN_BSM_WR_CTRL0x3400, IWN_BSM_WR_CTRL_START_EN(1U << 30));

iwn_nic_unlock(sc);
return 0;
6451}

6453int
6454iwn4965_load_firmware(struct iwn_softc *sc)
6455{
struct iwn_fw_info *fw = &sc->fw;
struct iwn_dma_info *dma = &sc->fw_dma;
int error;

/* Copy initialization sections into pre-allocated DMA-safe memory. */
memcpy(dma->vaddr, fw->init.data, fw->init.datasz)__builtin_memcpy((dma->vaddr), (fw->init.data), (fw->
init.datasz));
bus_dmamap_sync(sc->sc_dmat, dma->map, 0, fw->init.datasz,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (0), (fw->init.datasz), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (0), (fw->init.datasz), (0x04));
memcpy(dma->vaddr + IWN4965_FW_DATA_MAXSZ,__builtin_memcpy((dma->vaddr + ( 40 * 1024)), (fw->init
.text), (fw->init.textsz))
   fw->init.text, fw->init.textsz)__builtin_memcpy((dma->vaddr + ( 40 * 1024)), (fw->init
.text), (fw->init.textsz));
bus_dmamap_sync(sc->sc_dmat, dma->map, IWN4965_FW_DATA_MAXSZ,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (( 40 * 1024)), (fw->init.textsz), (0x04))
   fw->init.textsz, BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (( 40 * 1024)), (fw->init.textsz), (0x04));

/* Tell adapter where to find initialization sections. */
if ((error = iwn_nic_lock(sc)) != 0)
return error;
iwn_prph_write(sc, IWN_BSM_DRAM_DATA_ADDR0x3498, dma->paddr >> 4);
iwn_prph_write(sc, IWN_BSM_DRAM_DATA_SIZE0x349c, fw->init.datasz);
iwn_prph_write(sc, IWN_BSM_DRAM_TEXT_ADDR0x3490,
   (dma->paddr + IWN4965_FW_DATA_MAXSZ( 40 * 1024)) >> 4);
iwn_prph_write(sc, IWN_BSM_DRAM_TEXT_SIZE0x3494, fw->init.textsz);
iwn_nic_unlock(sc);

/* Load firmware boot code. */
error = iwn4965_load_bootcode(sc, fw->boot.text, fw->boot.textsz);
if (error != 0) {
printf("%s: could not load boot firmware\n",
    sc->sc_dev.dv_xname);
return error;
}
/* Now press "execute". */
IWN_WRITE(sc, IWN_RESET, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), ((
0))));

/* Wait at most one second for first alive notification. */
if ((error = tsleep_nsec(sc, PCATCH0x100, "iwninit", SEC_TO_NSEC(1))) != 0) {
printf("%s: timeout waiting for adapter to initialize\n",
    sc->sc_dev.dv_xname);
return error;
}

/* Retrieve current temperature for initial TX power calibration. */
sc->rawtemp = sc->ucode_info.temp[3].chan20MHz;
sc->temp = iwn4965_get_temperature(sc);

/* Copy runtime sections into pre-allocated DMA-safe memory. */
memcpy(dma->vaddr, fw->main.data, fw->main.datasz)__builtin_memcpy((dma->vaddr), (fw->main.data), (fw->
main.datasz));
bus_dmamap_sync(sc->sc_dmat, dma->map, 0, fw->main.datasz,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (0), (fw->main.datasz), (0x04))
   BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (0), (fw->main.datasz), (0x04));
memcpy(dma->vaddr + IWN4965_FW_DATA_MAXSZ,__builtin_memcpy((dma->vaddr + ( 40 * 1024)), (fw->main
.text), (fw->main.textsz))
   fw->main.text, fw->main.textsz)__builtin_memcpy((dma->vaddr + ( 40 * 1024)), (fw->main
.text), (fw->main.textsz));
bus_dmamap_sync(sc->sc_dmat, dma->map, IWN4965_FW_DATA_MAXSZ,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (( 40 * 1024)), (fw->main.textsz), (0x04))
   fw->main.textsz, BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (( 40 * 1024)), (fw->main.textsz), (0x04));

/* Tell adapter where to find runtime sections. */
if ((error = iwn_nic_lock(sc)) != 0)
return error;
iwn_prph_write(sc, IWN_BSM_DRAM_DATA_ADDR0x3498, dma->paddr >> 4);
iwn_prph_write(sc, IWN_BSM_DRAM_DATA_SIZE0x349c, fw->main.datasz);
iwn_prph_write(sc, IWN_BSM_DRAM_TEXT_ADDR0x3490,
   (dma->paddr + IWN4965_FW_DATA_MAXSZ( 40 * 1024)) >> 4);
iwn_prph_write(sc, IWN_BSM_DRAM_TEXT_SIZE0x3494,
   IWN_FW_UPDATED(1U << 31) | fw->main.textsz);
iwn_nic_unlock(sc);

return 0;
6521}

6523int
6524iwn5000_load_firmware_section(struct iwn_softc *sc, uint32_t dst,
  const uint8_t *section, int size)
6526{
struct iwn_dma_info *dma = &sc->fw_dma;
int error;

/* Copy firmware section into pre-allocated DMA-safe memory. */
memcpy(dma->vaddr, section, size)__builtin_memcpy((dma->vaddr), (section), (size));
bus_dmamap_sync(sc->sc_dmat, dma->map, 0, size, BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (dma->
map), (0), (size), (0x04));

if ((error = iwn_nic_lock(sc)) != 0)
return error;

IWN_WRITE(sc, IWN_FH_TX_CONFIG(IWN_SRVC_DMACHNL),(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d00 + (
9) * 32))), ((0))))
   IWN_FH_TX_CONFIG_DMA_PAUSE)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d00 + (
9) * 32))), ((0))));

IWN_WRITE(sc, IWN_FH_SRAM_ADDR(IWN_SRVC_DMACHNL), dst)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x19a4 + (
9) * 4))), ((dst))));
IWN_WRITE(sc, IWN_FH_TFBD_CTRL0(IWN_SRVC_DMACHNL),(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1900 + (
9) * 8))), ((((uint32_t)(dma->paddr))))))
   IWN_LOADDR(dma->paddr))(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1900 + (
9) * 8))), ((((uint32_t)(dma->paddr))))));
IWN_WRITE(sc, IWN_FH_TFBD_CTRL1(IWN_SRVC_DMACHNL),(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1904 + (
9) * 8))), (((((dma->paddr) >> 32) & 0xf) <<
| size))))
   IWN_HIADDR(dma->paddr) << 28 | size)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1904 + (
9) * 8))), (((((dma->paddr) >> 32) & 0xf) <<
| size))));
IWN_WRITE(sc, IWN_FH_TXBUF_STATUS(IWN_SRVC_DMACHNL),(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d08 + (
9) * 32))), ((((1) << 20) | ((1) << 12) | 3))))
   IWN_FH_TXBUF_STATUS_TBNUM(1) |(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d08 + (
9) * 32))), ((((1) << 20) | ((1) << 12) | 3))))
   IWN_FH_TXBUF_STATUS_TBIDX(1) |(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d08 + (
9) * 32))), ((((1) << 20) | ((1) << 12) | 3))))
   IWN_FH_TXBUF_STATUS_TFBD_VALID)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d08 + (
9) * 32))), ((((1) << 20) | ((1) << 12) | 3))));

/* Kick Flow Handler to start DMA transfer. */
IWN_WRITE(sc, IWN_FH_TX_CONFIG(IWN_SRVC_DMACHNL),(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d00 + (
9) * 32))), (((1U << 31) | (1U << 20)))))
   IWN_FH_TX_CONFIG_DMA_ENA | IWN_FH_TX_CONFIG_CIRQ_HOST_ENDTFD)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d00 + (
9) * 32))), (((1U << 31) | (1U << 20)))));

iwn_nic_unlock(sc);

/* Wait at most five seconds for FH DMA transfer to complete. */
return tsleep_nsec(sc, PCATCH0x100, "iwninit", SEC_TO_NSEC(5));
6558}

6560int
6561iwn5000_load_firmware(struct iwn_softc *sc)
6562{
struct iwn_fw_part *fw;
int error;

/* Load the initialization firmware on first boot only. */
fw = (sc->sc_flags & IWN_FLAG_CALIB_DONE(1 << 2)) ?
   &sc->fw.main : &sc->fw.init;

error = iwn5000_load_firmware_section(sc, IWN_FW_TEXT_BASE0x00000000,
   fw->text, fw->textsz);
if (error != 0) {
printf("%s: could not load firmware %s section\n",
    sc->sc_dev.dv_xname, ".text");
return error;
}
error = iwn5000_load_firmware_section(sc, IWN_FW_DATA_BASE0x00800000,
   fw->data, fw->datasz);
if (error != 0) {
printf("%s: could not load firmware %s section\n",
    sc->sc_dev.dv_xname, ".data");
return error;
}

/* Now press "execute". */
IWN_WRITE(sc, IWN_RESET, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), ((
0))));
return 0;
6588}

6590/*
* Extract text and data sections from a legacy firmware image.
*/
6593int
6594iwn_read_firmware_leg(struct iwn_softc *sc, struct iwn_fw_info *fw)
6595{
const uint32_t *ptr;
size_t hdrlen = 24;
uint32_t rev;

ptr = (const uint32_t *)fw->data;
rev = letoh32(*ptr++)((__uint32_t)(*ptr++));

/* Check firmware API version. */
if (IWN_FW_API(rev)(((rev) >> 8) & 0xff) <= 1) {
printf("%s: bad firmware, need API version >=2\n",
    sc->sc_dev.dv_xname);
return EINVAL22;
}
if (IWN_FW_API(rev)(((rev) >> 8) & 0xff) >= 3) {
/* Skip build number (version 2 header). */
hdrlen += 4;
ptr++;
}
if (fw->size < hdrlen) {
printf("%s: firmware too short: %zu bytes\n",
    sc->sc_dev.dv_xname, fw->size);
return EINVAL22;
}
fw->main.textsz = letoh32(*ptr++)((__uint32_t)(*ptr++));
fw->main.datasz = letoh32(*ptr++)((__uint32_t)(*ptr++));
fw->init.textsz = letoh32(*ptr++)((__uint32_t)(*ptr++));
fw->init.datasz = letoh32(*ptr++)((__uint32_t)(*ptr++));
fw->boot.textsz = letoh32(*ptr++)((__uint32_t)(*ptr++));

/* Check that all firmware sections fit. */
if (fw->size < hdrlen + fw->main.textsz + fw->main.datasz +
   fw->init.textsz + fw->init.datasz + fw->boot.textsz) {
printf("%s: firmware too short: %zu bytes\n",
    sc->sc_dev.dv_xname, fw->size);
return EINVAL22;
}

/* Get pointers to firmware sections. */
fw->main.text = (const uint8_t *)ptr;
fw->main.data = fw->main.text + fw->main.textsz;
fw->init.text = fw->main.data + fw->main.datasz;
fw->init.data = fw->init.text + fw->init.textsz;
fw->boot.text = fw->init.data + fw->init.datasz;
return 0;
6640}

6642/*
* Extract text and data sections from a TLV firmware image.
*/
6645int
6646iwn_read_firmware_tlv(struct iwn_softc *sc, struct iwn_fw_info *fw,
  uint16_t alt)
6648{
const struct iwn_fw_tlv_hdr *hdr;
const struct iwn_fw_tlv *tlv;
const uint8_t *ptr, *end;
uint64_t altmask;
uint32_t len;

if (fw->size < sizeof (*hdr)) {
printf("%s: firmware too short: %zu bytes\n",
    sc->sc_dev.dv_xname, fw->size);
return EINVAL22;
}
hdr = (const struct iwn_fw_tlv_hdr *)fw->data;
if (hdr->signature != htole32(IWN_FW_SIGNATURE)((__uint32_t)(0x0a4c5749))) {
printf("%s: bad firmware signature 0x%08x\n",
    sc->sc_dev.dv_xname, letoh32(hdr->signature)((__uint32_t)(hdr->signature)));
return EINVAL22;
}
DPRINTF(("FW: \"%.64s\", build 0x%x\n", hdr->descr,
   letoh32(hdr->build)));

/*
* Select the closest supported alternative that is less than
* or equal to the specified one.
*/
altmask = letoh64(hdr->altmask)((__uint64_t)(hdr->altmask));
while (alt > 0 && !(altmask & (1ULL << alt)))
alt--;	/* Downgrade. */
DPRINTF(("using alternative %d\n", alt));

ptr = (const uint8_t *)(hdr + 1);
end = (const uint8_t *)(fw->data + fw->size);

/* Parse type-length-value fields. */
while (ptr + sizeof (*tlv) <= end) {
tlv = (const struct iwn_fw_tlv *)ptr;
len = letoh32(tlv->len)((__uint32_t)(tlv->len));

ptr += sizeof (*tlv);
if (ptr + len > end) {
	printf("%s: firmware too short: %zu bytes\n",
	    sc->sc_dev.dv_xname, fw->size);
	return EINVAL22;
}
/* Skip other alternatives. */
if (tlv->alt != 0 && tlv->alt != htole16(alt)((__uint16_t)(alt)))
	goto next;

switch (letoh16(tlv->type)((__uint16_t)(tlv->type))) {
case IWN_FW_TLV_MAIN_TEXT1:
	fw->main.text = ptr;
	fw->main.textsz = len;
	break;
case IWN_FW_TLV_MAIN_DATA2:
	fw->main.data = ptr;
	fw->main.datasz = len;
	break;
case IWN_FW_TLV_INIT_TEXT3:
	fw->init.text = ptr;
	fw->init.textsz = len;
	break;
case IWN_FW_TLV_INIT_DATA4:
	fw->init.data = ptr;
	fw->init.datasz = len;
	break;
case IWN_FW_TLV_BOOT_TEXT5:
	fw->boot.text = ptr;
	fw->boot.textsz = len;
	break;
case IWN_FW_TLV_ENH_SENS14:
	if (len !=  0) {
		printf("%s: TLV type %d has invalid size %u\n",
		    sc->sc_dev.dv_xname, letoh16(tlv->type)((__uint16_t)(tlv->type)),
		    len);
		goto next;
	}
	sc->sc_flags |= IWN_FLAG_ENH_SENS(1 << 7);
	break;
case IWN_FW_TLV_PHY_CALIB15:
	if (len != sizeof(uint32_t)) {
		printf("%s: TLV type %d has invalid size %u\n",
		    sc->sc_dev.dv_xname, letoh16(tlv->type)((__uint16_t)(tlv->type)),
		    len);
		goto next;
	}
	if (letoh32(*ptr)((__uint32_t)(*ptr)) <= IWN5000_PHY_CALIB_MAX253) {
		sc->reset_noise_gain = letoh32(*ptr)((__uint32_t)(*ptr));
		sc->noise_gain = letoh32(*ptr)((__uint32_t)(*ptr)) + 1;
	}
	break;
case IWN_FW_TLV_FLAGS18:
	if (len < sizeof(uint32_t))
		break;
	if (len % sizeof(uint32_t))
		break;
	sc->tlv_feature_flags = letoh32(*ptr)((__uint32_t)(*ptr));
	DPRINTF(("feature: 0x%08x\n", sc->tlv_feature_flags));
	break;
default:
	DPRINTF(("TLV type %d not handled\n",
	    letoh16(tlv->type)));
	break;
}
next:		/* TLV fields are 32-bit aligned. */
ptr += (len + 3) & ~3;
}
return 0;
6755}

6757int
6758iwn_read_firmware(struct iwn_softc *sc)
6759{
struct iwn_fw_info *fw = &sc->fw;
int error;

/*
* Some PHY calibration commands are firmware-dependent; these
* are the default values that will be overridden if
* necessary.
*/
sc->reset_noise_gain = IWN5000_PHY_CALIB_RESET_NOISE_GAIN18;
sc->noise_gain = IWN5000_PHY_CALIB_NOISE_GAIN19;

memset(fw, 0, sizeof (*fw))__builtin_memset((fw), (0), (sizeof (*fw)));

/* Read firmware image from filesystem. */
if ((error = loadfirmware(sc->fwname, &fw->data, &fw->size)) != 0) {
printf("%s: could not read firmware %s (error %d)\n",
    sc->sc_dev.dv_xname, sc->fwname, error);
return error;
}
if (fw->size < sizeof (uint32_t)) {
printf("%s: firmware too short: %zu bytes\n",
    sc->sc_dev.dv_xname, fw->size);
free(fw->data, M_DEVBUF2, fw->size);
return EINVAL22;
}

/* Retrieve text and data sections. */
if (*(const uint32_t *)fw->data != 0)	/* Legacy image. */
error = iwn_read_firmware_leg(sc, fw);
else
error = iwn_read_firmware_tlv(sc, fw, 1);
if (error != 0) {
printf("%s: could not read firmware sections\n",
    sc->sc_dev.dv_xname);
free(fw->data, M_DEVBUF2, fw->size);
return error;
}

/* Make sure text and data sections fit in hardware memory. */
if (fw->main.textsz > sc->fw_text_maxsz ||
   fw->main.datasz > sc->fw_data_maxsz ||
   fw->init.textsz > sc->fw_text_maxsz ||
   fw->init.datasz > sc->fw_data_maxsz ||
   fw->boot.textsz > IWN_FW_BOOT_TEXT_MAXSZ1024 ||
   (fw->boot.textsz & 3) != 0) {
printf("%s: firmware sections too large\n",
    sc->sc_dev.dv_xname);
free(fw->data, M_DEVBUF2, fw->size);
return EINVAL22;
}

/* We can proceed with loading the firmware. */
return 0;
6813}

6815int
6816iwn_clock_wait(struct iwn_softc *sc)
6817{
int ntries;

/* Set "initialization complete" bit. */
IWN_SETBITS(sc, IWN_GP_CNTRL, IWN_GP_CNTRL_INIT_DONE)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x024)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) | (
(1 << 2))))));

/* Wait for clock stabilization. */
for (ntries = 0; ntries < 2500; ntries++) {
if (IWN_READ(sc, IWN_GP_CNTRL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) & IWN_GP_CNTRL_MAC_CLOCK_READY(1 << 0))
	return 0;
DELAY(10)(*delay_func)(10);
}
printf("%s: timeout waiting for clock stabilization\n",
   sc->sc_dev.dv_xname);
return ETIMEDOUT60;
6832}

6834int
6835iwn_apm_init(struct iwn_softc *sc)
6836{
pcireg_t reg;
int error;

/* Disable L0s exit timer (NMI bug workaround). */
IWN_SETBITS(sc, IWN_GIO_CHICKEN, IWN_GIO_CHICKEN_DIS_L0S_TIMER)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x100)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x100)))) | (
(1 << 29))))));
/* Don't wait for ICH L0s (ICH bug workaround). */
IWN_SETBITS(sc, IWN_GIO_CHICKEN, IWN_GIO_CHICKEN_L1A_NO_L0S_RX)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x100)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x100)))) | (
(1 << 23))))));

/* Set FH wait threshold to max (HW bug under stress workaround). */
IWN_SETBITS(sc, IWN_DBG_HPET_MEM, 0xffff0000)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x240)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x240)))) | (
0xffff0000)))));

/* Enable HAP INTA to move adapter from L1a to L0s. */
IWN_SETBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_HAP_WAKE_L1A)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 23))))));

/* Retrieve PCIe Active State Power Management (ASPM). */
reg = pci_conf_read(sc->sc_pct, sc->sc_pcitag,
   sc->sc_cap_off + PCI_PCIE_LCSR0x10);
/* Workaround for HW instability in PCIe L0->L0s->L1 transition. */
if (reg & PCI_PCIE_LCSR_ASPM_L10x00000002)	/* L1 Entry enabled. */
IWN_SETBITS(sc, IWN_GIO, IWN_GIO_L0S_ENA)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x03c)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x03c)))) | (
(1 << 1))))));
else
IWN_CLRBITS(sc, IWN_GIO, IWN_GIO_L0S_ENA)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x03c)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x03c)))) &
 ~((1 << 1))))));

if (sc->hw_type != IWN_HW_REV_TYPE_49650 &&
   sc->hw_type <= IWN_HW_REV_TYPE_10006)
IWN_SETBITS(sc, IWN_ANA_PLL, IWN_ANA_PLL_INIT)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x20c)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x20c)))) | (
0x00880300)))));

/* Wait for clock stabilization before accessing prph. */
if ((error = iwn_clock_wait(sc)) != 0)
return error;

if ((error = iwn_nic_lock(sc)) != 0)
return error;
if (sc->hw_type == IWN_HW_REV_TYPE_49650) {
/* Enable DMA and BSM (Bootstrap State Machine). */
iwn_prph_write(sc, IWN_APMG_CLK_EN0x3004,
    IWN_APMG_CLK_CTRL_DMA_CLK_RQT(1 << 9) |
    IWN_APMG_CLK_CTRL_BSM_CLK_RQT(1 << 11));
} else {
/* Enable DMA. */
iwn_prph_write(sc, IWN_APMG_CLK_EN0x3004,
    IWN_APMG_CLK_CTRL_DMA_CLK_RQT(1 << 9));
}
DELAY(20)(*delay_func)(20);
/* Disable L1-Active. */
iwn_prph_setbits(sc, IWN_APMG_PCI_STT0x3010, IWN_APMG_PCI_STT_L1A_DIS(1 << 11));
iwn_nic_unlock(sc);

return 0;
6886}

6888void
6889iwn_apm_stop_master(struct iwn_softc *sc)
6890{
int ntries;

/* Stop busmaster DMA activity. */
IWN_SETBITS(sc, IWN_RESET, IWN_RESET_STOP_MASTER)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x020)))) | (
(1U << 9))))));
for (ntries = 0; ntries < 100; ntries++) {
if (IWN_READ(sc, IWN_RESET)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x020)))) & IWN_RESET_MASTER_DISABLED(1U << 8))
	return;
DELAY(10)(*delay_func)(10);
}
printf("%s: timeout waiting for master\n", sc->sc_dev.dv_xname);
6901}

6903void
6904iwn_apm_stop(struct iwn_softc *sc)
6905{
iwn_apm_stop_master(sc);

/* Reset the entire device. */
IWN_SETBITS(sc, IWN_RESET, IWN_RESET_SW)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x020)))) | (
(1U << 7))))));
DELAY(10)(*delay_func)(10);
/* Clear "initialization complete" bit. */
IWN_CLRBITS(sc, IWN_GP_CNTRL, IWN_GP_CNTRL_INIT_DONE)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x024)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) &
 ~((1 << 2))))));
6913}

6915int
6916iwn4965_nic_config(struct iwn_softc *sc)
6917{
if (IWN_RFCFG_TYPE(sc->rfcfg)(((sc->rfcfg) >> 0) & 0x3) == 1) {
/*
 * I don't believe this to be correct but this is what the
 * vendor driver is doing. Probably the bits should not be
 * shifted in IWN_RFCFG_*.
 */
IWN_SETBITS(sc, IWN_HW_IF_CONFIG,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(((sc->rfcfg) >> 0) & 0x3) | (((sc->rfcfg) >>
 2) & 0x3) | (((sc->rfcfg) >> 4) & 0x3))))))
    IWN_RFCFG_TYPE(sc->rfcfg) |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(((sc->rfcfg) >> 0) & 0x3) | (((sc->rfcfg) >>
 2) & 0x3) | (((sc->rfcfg) >> 4) & 0x3))))))
    IWN_RFCFG_STEP(sc->rfcfg) |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(((sc->rfcfg) >> 0) & 0x3) | (((sc->rfcfg) >>
 2) & 0x3) | (((sc->rfcfg) >> 4) & 0x3))))))
    IWN_RFCFG_DASH(sc->rfcfg))(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(((sc->rfcfg) >> 0) & 0x3) | (((sc->rfcfg) >>
 2) & 0x3) | (((sc->rfcfg) >> 4) & 0x3))))));
}
IWN_SETBITS(sc, IWN_HW_IF_CONFIG,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 9) | (1 << 8))))))
   IWN_HW_IF_CONFIG_RADIO_SI | IWN_HW_IF_CONFIG_MAC_SI)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 9) | (1 << 8))))));
return 0;
6932}

6934int
6935iwn5000_nic_config(struct iwn_softc *sc)
6936{
uint32_t tmp;
int error;

if (IWN_RFCFG_TYPE(sc->rfcfg)(((sc->rfcfg) >> 0) & 0x3) < 3) {
IWN_SETBITS(sc, IWN_HW_IF_CONFIG,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(((sc->rfcfg) >> 0) & 0x3) | (((sc->rfcfg) >>
 2) & 0x3) | (((sc->rfcfg) >> 4) & 0x3))))))
    IWN_RFCFG_TYPE(sc->rfcfg) |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(((sc->rfcfg) >> 0) & 0x3) | (((sc->rfcfg) >>
 2) & 0x3) | (((sc->rfcfg) >> 4) & 0x3))))))
    IWN_RFCFG_STEP(sc->rfcfg) |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(((sc->rfcfg) >> 0) & 0x3) | (((sc->rfcfg) >>
 2) & 0x3) | (((sc->rfcfg) >> 4) & 0x3))))))
    IWN_RFCFG_DASH(sc->rfcfg))(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(((sc->rfcfg) >> 0) & 0x3) | (((sc->rfcfg) >>
 2) & 0x3) | (((sc->rfcfg) >> 4) & 0x3))))));
}
IWN_SETBITS(sc, IWN_HW_IF_CONFIG,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 9) | (1 << 8))))))
   IWN_HW_IF_CONFIG_RADIO_SI | IWN_HW_IF_CONFIG_MAC_SI)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 9) | (1 << 8))))));

if ((error = iwn_nic_lock(sc)) != 0)
return error;
iwn_prph_setbits(sc, IWN_APMG_PS0x300c, IWN_APMG_PS_EARLY_PWROFF_DIS(1 << 22));

if (sc->hw_type == IWN_HW_REV_TYPE_10006) {
/*
 * Select first Switching Voltage Regulator (1.32V) to
 * solve a stability issue related to noisy DC2DC line
 * in the silicon of 1000 Series.
 */
tmp = iwn_prph_read(sc, IWN_APMG_DIGITAL_SVR0x3058);
tmp &= ~IWN_APMG_DIGITAL_SVR_VOLTAGE_MASK(((0xf) & 0xf) << 5);
tmp |= IWN_APMG_DIGITAL_SVR_VOLTAGE_1_32(((3) & 0xf) << 5);
iwn_prph_write(sc, IWN_APMG_DIGITAL_SVR0x3058, tmp);
}
iwn_nic_unlock(sc);

if (sc->sc_flags & IWN_FLAG_INTERNAL_PA(1 << 4)) {
/* Use internal power amplifier only. */
IWN_WRITE(sc, IWN_GP_DRIVER, IWN_GP_DRIVER_RADIO_2X2_IPA)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x050)), ((
(2 << 0)))));
}
if ((sc->hw_type == IWN_HW_REV_TYPE_60508 ||
    sc->hw_type == IWN_HW_REV_TYPE_600511) && sc->calib_ver >= 6) {
/* Indicate that ROM calibration version is >=6. */
IWN_SETBITS(sc, IWN_GP_DRIVER, IWN_GP_DRIVER_CALIB_VER6)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x050)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x050)))) | (
(1 << 2))))));
}
if (sc->hw_type == IWN_HW_REV_TYPE_600511)
IWN_SETBITS(sc, IWN_GP_DRIVER, IWN_GP_DRIVER_6050_1X2)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x050)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x050)))) | (
(1 << 3))))));
if (sc->hw_type == IWN_HW_REV_TYPE_203012 ||
   sc->hw_type == IWN_HW_REV_TYPE_200016 ||
   sc->hw_type == IWN_HW_REV_TYPE_13518 ||
   sc->hw_type == IWN_HW_REV_TYPE_10517)
IWN_SETBITS(sc, IWN_GP_DRIVER, IWN_GP_DRIVER_RADIO_IQ_INVERT)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x050)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x050)))) | (
(1 << 7))))));
return 0;
6983}

6985/*
* Take NIC ownership over Intel Active Management Technology (AMT).
*/
6988int
6989iwn_hw_prepare(struct iwn_softc *sc)
6990{
int ntries;

/* Check if hardware is ready. */
IWN_SETBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_NIC_READY)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 22))))));
for (ntries = 0; ntries < 5; ntries++) {
if (IWN_READ(sc, IWN_HW_IF_CONFIG)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) &
    IWN_HW_IF_CONFIG_NIC_READY(1 << 22))
	return 0;
DELAY(10)(*delay_func)(10);
}

/* Hardware not ready, force into ready state. */
IWN_SETBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_PREPARE)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 27))))));
for (ntries = 0; ntries < 15000; ntries++) {
if (!(IWN_READ(sc, IWN_HW_IF_CONFIG)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) &
    IWN_HW_IF_CONFIG_PREPARE_DONE(1 << 25)))
	break;
DELAY(10)(*delay_func)(10);
}
if (ntries == 15000)
return ETIMEDOUT60;

/* Hardware should be ready now. */
IWN_SETBITS(sc, IWN_HW_IF_CONFIG, IWN_HW_IF_CONFIG_NIC_READY)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x000)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) | (
(1 << 22))))));
for (ntries = 0; ntries < 5; ntries++) {
if (IWN_READ(sc, IWN_HW_IF_CONFIG)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x000)))) &
    IWN_HW_IF_CONFIG_NIC_READY(1 << 22))
	return 0;
DELAY(10)(*delay_func)(10);
}
return ETIMEDOUT60;
7022}

7024int
7025iwn_hw_init(struct iwn_softc *sc)
7026{
struct iwn_ops *ops = &sc->ops;
int error, chnl, qid;

/* Clear pending interrupts. */
IWN_WRITE(sc, IWN_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), ((
0xffffffff))));

if ((error = iwn_apm_init(sc)) != 0) {
printf("%s: could not power on adapter\n",
    sc->sc_dev.dv_xname);
return error;
}

/* Select VMAIN power source. */
if ((error = iwn_nic_lock(sc)) != 0)
return error;
iwn_prph_clrbits(sc, IWN_APMG_PS0x300c, IWN_APMG_PS_PWR_SRC_MASK((3) << 24));
iwn_nic_unlock(sc);

/* Perform adapter-specific initialization. */
if ((error = ops->nic_config(sc)) != 0)
return error;

/* Initialize RX ring. */
if ((error = iwn_nic_lock(sc)) != 0)
return error;
IWN_WRITE(sc, IWN_FH_RX_CONFIG, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
(0))));
IWN_WRITE(sc, IWN_FH_RX_WPTR, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1bc8)), (
(0))));
/* Set physical address of RX ring (256-byte aligned). */
IWN_WRITE(sc, IWN_FH_RX_BASE, sc->rxq.desc_dma.paddr >> 8)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1bc4)), (
(sc->rxq.desc_dma.paddr >> 8))));
/* Set physical address of RX status (16-byte aligned). */
IWN_WRITE(sc, IWN_FH_STATUS_WPTR, sc->rxq.stat_dma.paddr >> 4)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1bc0)), (
(sc->rxq.stat_dma.paddr >> 4))));
/* Enable RX. */
IWN_WRITE(sc, IWN_FH_RX_CONFIG,(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
((1U << 31) | (1U << 2) | (1U << 12) | (1U <<
 15) | ((0x11) << 4) | ((6) << 20)))))
   IWN_FH_RX_CONFIG_ENA           |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
((1U << 31) | (1U << 2) | (1U << 12) | (1U <<
 15) | ((0x11) << 4) | ((6) << 20)))))
   IWN_FH_RX_CONFIG_IGN_RXF_EMPTY |	/* HW bug workaround */(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
((1U << 31) | (1U << 2) | (1U << 12) | (1U <<
 15) | ((0x11) << 4) | ((6) << 20)))))
   IWN_FH_RX_CONFIG_IRQ_DST_HOST  |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
((1U << 31) | (1U << 2) | (1U << 12) | (1U <<
 15) | ((0x11) << 4) | ((6) << 20)))))
   IWN_FH_RX_CONFIG_SINGLE_FRAME  |(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
((1U << 31) | (1U << 2) | (1U << 12) | (1U <<
 15) | ((0x11) << 4) | ((6) << 20)))))
   IWN_FH_RX_CONFIG_RB_TIMEOUT(0x11) | /* about 1/2 msec */(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
((1U << 31) | (1U << 2) | (1U << 12) | (1U <<
 15) | ((0x11) << 4) | ((6) << 20)))))
   IWN_FH_RX_CONFIG_NRBD(IWN_RX_RING_COUNT_LOG))(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1c00)), (
((1U << 31) | (1U << 2) | (1U << 12) | (1U <<
 15) | ((0x11) << 4) | ((6) << 20)))));
iwn_nic_unlock(sc);
IWN_WRITE(sc, IWN_FH_RX_WPTR, (IWN_RX_RING_COUNT - 1) & ~7)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x1bc8)), (
(((1 << 6) - 1) & ~7))));

if ((error = iwn_nic_lock(sc)) != 0)
return error;

/* Initialize TX scheduler. */
iwn_prph_write(sc, sc->sched_txfact_addr, 0);

/* Set physical address of "keep warm" page (16-byte aligned). */
IWN_WRITE(sc, IWN_FH_KW_ADDR, sc->kw_dma.paddr >> 4)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x197c)), (
(sc->kw_dma.paddr >> 4))));

/* Initialize TX rings. */
for (qid = 0; qid < sc->ntxqs; qid++) {
struct iwn_tx_ring *txq = &sc->txq[qid];

/* Set physical address of TX ring (256-byte aligned). */
IWN_WRITE(sc, IWN_FH_CBBC_QUEUE(qid),(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x19d0 + (
qid) * 4))), ((txq->desc_dma.paddr >> 8))))
    txq->desc_dma.paddr >> 8)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x19d0 + (
qid) * 4))), ((txq->desc_dma.paddr >> 8))));
}
iwn_nic_unlock(sc);

/* Enable DMA channels. */
for (chnl = 0; chnl < sc->ndmachnls; chnl++) {
IWN_WRITE(sc, IWN_FH_TX_CONFIG(chnl),(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d00 + (
chnl) * 32))), (((1U << 31) | (1U << 3)))))
    IWN_FH_TX_CONFIG_DMA_ENA |(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d00 + (
chnl) * 32))), (((1U << 31) | (1U << 3)))))
    IWN_FH_TX_CONFIG_DMA_CREDIT_ENA)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d00 + (
chnl) * 32))), (((1U << 31) | (1U << 3)))));
}

/* Clear "radio off" and "commands blocked" bits. */
IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_RFKILL)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), ((
(1 << 1)))));
IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_CMD_BLOCKED)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), ((
(1 << 2)))));

/* Clear pending interrupts. */
IWN_WRITE(sc, IWN_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), ((
0xffffffff))));
/* Enable interrupt coalescing. */
IWN_WRITE(sc, IWN_INT_COALESCING, 512 / 8)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x004)), ((
/ 8))));
/* Enable interrupts. */
IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), ((
sc->int_mask))));

/* _Really_ make sure "radio off" bit is cleared! */
IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_RFKILL)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), ((
(1 << 1)))));
IWN_WRITE(sc, IWN_UCODE_GP1_CLR, IWN_UCODE_GP1_RFKILL)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x05c)), ((
(1 << 1)))));

/* Enable shadow registers. */
if (sc->hw_type >= IWN_HW_REV_TYPE_60007)
IWN_SETBITS(sc, IWN_SHADOW_REG_CTRL, 0x800fffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x0a8)), ((
(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x0a8)))) | (
0x800fffff)))));

if ((error = ops->load_firmware(sc)) != 0) {
printf("%s: could not load firmware\n", sc->sc_dev.dv_xname);
return error;
}
/* Wait at most one second for firmware alive notification. */
if ((error = tsleep_nsec(sc, PCATCH0x100, "iwninit", SEC_TO_NSEC(1))) != 0) {
printf("%s: timeout waiting for adapter to initialize\n",
    sc->sc_dev.dv_xname);
return error;
}
/* Do post-firmware initialization. */
return ops->post_alive(sc);
7126}

7128void
7129iwn_hw_stop(struct iwn_softc *sc)
7130{
int chnl, qid, ntries;

IWN_WRITE(sc, IWN_RESET, IWN_RESET_NEVO)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x020)), ((
(1U << 0)))));

/* Disable interrupts. */
IWN_WRITE(sc, IWN_INT_MASK, 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), ((
0))));
IWN_WRITE(sc, IWN_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), ((
0xffffffff))));
IWN_WRITE(sc, IWN_FH_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x010)), ((
0xffffffff))));
sc->sc_flags &= ~IWN_FLAG_USE_ICT(1 << 3);

/* Make sure we no longer hold the NIC lock. */
iwn_nic_unlock(sc);

/* Stop TX scheduler. */
iwn_prph_write(sc, sc->sched_txfact_addr, 0);

/* Stop all DMA channels. */
if (iwn_nic_lock(sc) == 0) {
for (chnl = 0; chnl < sc->ndmachnls; chnl++) {
	IWN_WRITE(sc, IWN_FH_TX_CONFIG(chnl), 0)(((sc)->sc_st)->write_4(((sc)->sc_sh), (((0x1d00 + (
chnl) * 32))), ((0))));
	for (ntries = 0; ntries < 200; ntries++) {
		if (IWN_READ(sc, IWN_FH_TX_STATUS)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x1eb0)))) &
		    IWN_FH_TX_STATUS_IDLE(chnl)(1 << ((chnl) + 16)))
			break;
		DELAY(10)(*delay_func)(10);
	}
}
iwn_nic_unlock(sc);
}

/* Stop RX ring. */
iwn_reset_rx_ring(sc, &sc->rxq);

/* Reset all TX rings. */
for (qid = 0; qid < sc->ntxqs; qid++)
iwn_reset_tx_ring(sc, &sc->txq[qid]);

if (iwn_nic_lock(sc) == 0) {
iwn_prph_write(sc, IWN_APMG_CLK_DIS0x3008,
    IWN_APMG_CLK_CTRL_DMA_CLK_RQT(1 << 9));
iwn_nic_unlock(sc);
}
DELAY(5)(*delay_func)(5);
/* Power OFF adapter. */
iwn_apm_stop(sc);
7176}

7178int
7179iwn_init(struct ifnet *ifp)
7180{
struct iwn_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
int error;

memset(sc->bss_node_addr, 0, sizeof(sc->bss_node_addr))__builtin_memset((sc->bss_node_addr), (0), (sizeof(sc->
bss_node_addr)));
sc->agg_queue_mask = 0;
memset(sc->sc_tx_ba, 0, sizeof(sc->sc_tx_ba))__builtin_memset((sc->sc_tx_ba), (0), (sizeof(sc->sc_tx_ba
)));

if ((error = iwn_hw_prepare(sc)) != 0) {
printf("%s: hardware not ready\n", sc->sc_dev.dv_xname);
goto fail;
}

/* Initialize interrupt mask to default value. */
sc->int_mask = IWN_INT_MASK_DEF((1U << 25) | (1U << 29) | (1U << 27) | (1U
 << 31) | (1U << 0) | (1U << 1) | (1U <<
 3) | (1U << 6) | (1U << 7));
sc->sc_flags &= ~IWN_FLAG_USE_ICT(1 << 3);

/* Check that the radio is not disabled by hardware switch. */
if (!(IWN_READ(sc, IWN_GP_CNTRL)(((sc)->sc_st)->read_4(((sc)->sc_sh), ((0x024)))) & IWN_GP_CNTRL_RFKILL(1 << 27))) {
printf("%s: radio is disabled by hardware switch\n",
    sc->sc_dev.dv_xname);
error = EPERM1;	/* :-) */
/* Re-enable interrupts. */
IWN_WRITE(sc, IWN_INT, 0xffffffff)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x008)), ((
0xffffffff))));
IWN_WRITE(sc, IWN_INT_MASK, sc->int_mask)(((sc)->sc_st)->write_4(((sc)->sc_sh), ((0x00c)), ((
sc->int_mask))));
return error;
}

/* Read firmware images from the filesystem. */
if ((error = iwn_read_firmware(sc)) != 0) {
printf("%s: could not read firmware\n", sc->sc_dev.dv_xname);
goto fail;
}

/* Initialize hardware and upload firmware. */
error = iwn_hw_init(sc);
free(sc->fw.data, M_DEVBUF2, sc->fw.size);
if (error != 0) {
printf("%s: could not initialize hardware\n",
    sc->sc_dev.dv_xname);
goto fail;
}

/* Configure adapter now that it is ready. */
if ((error = iwn_config(sc)) != 0) {
printf("%s: could not configure device\n",
    sc->sc_dev.dv_xname);
goto fail;
}

ifq_clr_oactive(&ifp->if_snd);
ifp->if_flags |= IFF_RUNNING0x40;

if (ic->ic_opmode != IEEE80211_M_MONITOR)
ieee80211_begin_scan(ifp);
else
ieee80211_new_state(ic, IEEE80211_S_RUN, -1)(((ic)->ic_newstate)((ic), (IEEE80211_S_RUN), (-1)));

return 0;

7241fail:	iwn_stop(ifp);
return error;
7243}

7245void
7246iwn_stop(struct ifnet *ifp)
7247{
struct iwn_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;

timeout_del(&sc->calib_to);
ifp->if_timer = sc->sc_tx_timer = 0;
ifp->if_flags &= ~IFF_RUNNING0x40;
ifq_clr_oactive(&ifp->if_snd);

ieee80211_new_state(ic, IEEE80211_S_INIT, -1)(((ic)->ic_newstate)((ic), (IEEE80211_S_INIT), (-1)));

/* Power OFF hardware. */
iwn_hw_stop(sc);
7260}