File: | dev/pv/if_hvn.c |
Warning: | line 1277, column 7 Although the value stored to 'rv' is used in the enclosing expression, the value is never actually read from 'rv' |
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1 | /*- |
2 | * Copyright (c) 2009-2012,2016 Microsoft Corp. |
3 | * Copyright (c) 2010-2012 Citrix Inc. |
4 | * Copyright (c) 2012 NetApp Inc. |
5 | * Copyright (c) 2016 Mike Belopuhov <mike@esdenera.com> |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice unmodified, this list of conditions, and the following |
13 | * disclaimer. |
14 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * notice, this list of conditions and the following disclaimer in the |
16 | * documentation and/or other materials provided with the distribution. |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
29 | |
30 | /* |
31 | * The OpenBSD port was done under funding by Esdenera Networks GmbH. |
32 | */ |
33 | |
34 | #include "bpfilter.h" |
35 | #include "vlan.h" |
36 | #include "hyperv.h" |
37 | |
38 | #include <sys/param.h> |
39 | #include <sys/systm.h> |
40 | #include <sys/atomic.h> |
41 | #include <sys/device.h> |
42 | #include <sys/kernel.h> |
43 | #include <sys/malloc.h> |
44 | #include <sys/mbuf.h> |
45 | #include <sys/pool.h> |
46 | #include <sys/queue.h> |
47 | #include <sys/socket.h> |
48 | #include <sys/sockio.h> |
49 | #include <sys/task.h> |
50 | #include <sys/timeout.h> |
51 | |
52 | #include <machine/bus.h> |
53 | |
54 | #include <uvm/uvm_extern.h> |
55 | |
56 | #include <dev/pv/hypervreg.h> |
57 | #include <dev/pv/hypervvar.h> |
58 | |
59 | #include <dev/rndis.h> |
60 | #include <dev/pv/ndis.h> |
61 | #include <dev/pv/if_hvnreg.h> |
62 | |
63 | #include <net/if.h> |
64 | #include <net/if_media.h> |
65 | |
66 | #include <netinet/in.h> |
67 | #include <netinet/if_ether.h> |
68 | |
69 | #ifdef INET61 |
70 | #include <netinet/ip6.h> |
71 | #endif |
72 | |
73 | #if NBPFILTER1 > 0 |
74 | #include <net/bpf.h> |
75 | #endif |
76 | |
77 | #define HVN_NVS_MSGSIZE32 32 |
78 | #define HVN_NVS_BUFSIZE(1 << 12) PAGE_SIZE(1 << 12) |
79 | |
80 | /* |
81 | * RNDIS control interface |
82 | */ |
83 | #define HVN_RNDIS_CTLREQS4 4 |
84 | #define HVN_RNDIS_BUFSIZE512 512 |
85 | |
86 | struct rndis_cmd { |
87 | uint32_t rc_id; |
88 | struct hvn_nvs_rndis rc_msg; |
89 | void *rc_req; |
90 | bus_dmamap_t rc_dmap; |
91 | bus_dma_segment_t rc_segs; |
92 | int rc_nsegs; |
93 | uint64_t rc_gpa; |
94 | struct rndis_packet_msg rc_cmp; |
95 | uint32_t rc_cmplen; |
96 | uint8_t rc_cmpbuf[HVN_RNDIS_BUFSIZE512]; |
97 | int rc_done; |
98 | TAILQ_ENTRY(rndis_cmd)struct { struct rndis_cmd *tqe_next; struct rndis_cmd **tqe_prev ; } rc_entry; |
99 | }; |
100 | TAILQ_HEAD(rndis_queue, rndis_cmd)struct rndis_queue { struct rndis_cmd *tqh_first; struct rndis_cmd **tqh_last; }; |
101 | |
102 | #define HVN_MAXMTU(9 * 1024) (9 * 1024) |
103 | |
104 | #define HVN_RNDIS_XFER_SIZE2048 2048 |
105 | |
106 | /* |
107 | * Tx ring |
108 | */ |
109 | #define HVN_TX_DESC256 256 |
110 | #define HVN_TX_FRAGS15 15 /* 31 is the max */ |
111 | #define HVN_TX_FRAG_SIZE(1 << 12) PAGE_SIZE(1 << 12) |
112 | #define HVN_TX_PKT_SIZE16384 16384 |
113 | |
114 | #define HVN_RNDIS_PKT_LEN(sizeof(struct rndis_packet_msg) + sizeof(struct rndis_pktinfo ) + sizeof(uint32_t) + sizeof(struct rndis_pktinfo) + sizeof( uint32_t)) \ |
115 | (sizeof(struct rndis_packet_msg) + \ |
116 | sizeof(struct rndis_pktinfo) + NDIS_VLAN_INFO_SIZEsizeof(uint32_t) + \ |
117 | sizeof(struct rndis_pktinfo) + NDIS_TXCSUM_INFO_SIZEsizeof(uint32_t)) |
118 | |
119 | struct hvn_tx_desc { |
120 | uint32_t txd_id; |
121 | int txd_ready; |
122 | struct vmbus_gpa txd_sgl[HVN_TX_FRAGS15 + 1]; |
123 | int txd_nsge; |
124 | struct mbuf *txd_buf; |
125 | bus_dmamap_t txd_dmap; |
126 | struct vmbus_gpa txd_gpa; |
127 | struct rndis_packet_msg *txd_req; |
128 | }; |
129 | |
130 | struct hvn_softc { |
131 | struct device sc_dev; |
132 | struct hv_softc *sc_hvsc; |
133 | struct hv_channel *sc_chan; |
134 | bus_dma_tag_t sc_dmat; |
135 | |
136 | struct arpcom sc_ac; |
137 | struct ifmedia sc_media; |
138 | int sc_link_state; |
139 | |
140 | /* NVS protocol */ |
141 | int sc_proto; |
142 | uint32_t sc_nvstid; |
143 | uint8_t sc_nvsrsp[HVN_NVS_MSGSIZE32]; |
144 | uint8_t *sc_nvsbuf; |
145 | int sc_nvsdone; |
146 | |
147 | /* RNDIS protocol */ |
148 | int sc_ndisver; |
149 | uint32_t sc_rndisrid; |
150 | struct rndis_queue sc_cntl_sq; /* submission queue */ |
151 | struct mutex sc_cntl_sqlck; |
152 | struct rndis_queue sc_cntl_cq; /* completion queue */ |
153 | struct mutex sc_cntl_cqlck; |
154 | struct rndis_queue sc_cntl_fq; /* free queue */ |
155 | struct mutex sc_cntl_fqlck; |
156 | struct rndis_cmd sc_cntl_msgs[HVN_RNDIS_CTLREQS4]; |
157 | struct hvn_nvs_rndis sc_data_msg; |
158 | |
159 | /* Rx ring */ |
160 | void *sc_rx_ring; |
161 | int sc_rx_size; |
162 | uint32_t sc_rx_hndl; |
163 | |
164 | /* Tx ring */ |
165 | uint32_t sc_tx_next; |
166 | uint32_t sc_tx_avail; |
167 | struct hvn_tx_desc sc_tx_desc[HVN_TX_DESC256]; |
168 | bus_dmamap_t sc_tx_rmap; |
169 | void *sc_tx_msgs; |
170 | bus_dma_segment_t sc_tx_mseg; |
171 | }; |
172 | |
173 | int hvn_match(struct device *, void *, void *); |
174 | void hvn_attach(struct device *, struct device *, void *); |
175 | int hvn_ioctl(struct ifnet *, u_long, caddr_t); |
176 | int hvn_media_change(struct ifnet *); |
177 | void hvn_media_status(struct ifnet *, struct ifmediareq *); |
178 | int hvn_iff(struct hvn_softc *); |
179 | void hvn_init(struct hvn_softc *); |
180 | void hvn_stop(struct hvn_softc *); |
181 | void hvn_start(struct ifqueue *); |
182 | int hvn_encap(struct hvn_softc *, struct mbuf *, struct hvn_tx_desc **); |
183 | void hvn_decap(struct hvn_softc *, struct hvn_tx_desc *); |
184 | void hvn_txeof(struct hvn_softc *, uint64_t); |
185 | int hvn_rx_ring_create(struct hvn_softc *); |
186 | int hvn_rx_ring_destroy(struct hvn_softc *); |
187 | int hvn_tx_ring_create(struct hvn_softc *); |
188 | void hvn_tx_ring_destroy(struct hvn_softc *); |
189 | int hvn_set_capabilities(struct hvn_softc *); |
190 | int hvn_get_lladdr(struct hvn_softc *); |
191 | int hvn_set_lladdr(struct hvn_softc *); |
192 | void hvn_get_link_status(struct hvn_softc *); |
193 | void hvn_link_status(struct hvn_softc *); |
194 | |
195 | /* NSVP */ |
196 | int hvn_nvs_attach(struct hvn_softc *); |
197 | void hvn_nvs_intr(void *); |
198 | int hvn_nvs_cmd(struct hvn_softc *, void *, size_t, uint64_t, int); |
199 | int hvn_nvs_ack(struct hvn_softc *, uint64_t); |
200 | void hvn_nvs_detach(struct hvn_softc *); |
201 | |
202 | /* RNDIS */ |
203 | int hvn_rndis_attach(struct hvn_softc *); |
204 | int hvn_rndis_cmd(struct hvn_softc *, struct rndis_cmd *, int); |
205 | void hvn_rndis_input(struct hvn_softc *, uint64_t, void *); |
206 | void hvn_rxeof(struct hvn_softc *, caddr_t, uint32_t, struct mbuf_list *); |
207 | void hvn_rndis_complete(struct hvn_softc *, caddr_t, uint32_t); |
208 | int hvn_rndis_output(struct hvn_softc *, struct hvn_tx_desc *); |
209 | void hvn_rndis_status(struct hvn_softc *, caddr_t, uint32_t); |
210 | int hvn_rndis_query(struct hvn_softc *, uint32_t, void *, size_t *); |
211 | int hvn_rndis_set(struct hvn_softc *, uint32_t, void *, size_t); |
212 | int hvn_rndis_close(struct hvn_softc *); |
213 | void hvn_rndis_detach(struct hvn_softc *); |
214 | |
215 | struct cfdriver hvn_cd = { |
216 | NULL((void *)0), "hvn", DV_IFNET |
217 | }; |
218 | |
219 | const struct cfattach hvn_ca = { |
220 | sizeof(struct hvn_softc), hvn_match, hvn_attach |
221 | }; |
222 | |
223 | int |
224 | hvn_match(struct device *parent, void *match, void *aux) |
225 | { |
226 | struct hv_attach_args *aa = aux; |
227 | |
228 | if (strcmp("network", aa->aa_ident)) |
229 | return (0); |
230 | |
231 | return (1); |
232 | } |
233 | |
234 | void |
235 | hvn_attach(struct device *parent, struct device *self, void *aux) |
236 | { |
237 | struct hv_attach_args *aa = aux; |
238 | struct hvn_softc *sc = (struct hvn_softc *)self; |
239 | struct ifnet *ifp = &sc->sc_ac.ac_if; |
240 | |
241 | sc->sc_hvsc = (struct hv_softc *)parent; |
242 | sc->sc_chan = aa->aa_chan; |
243 | sc->sc_dmat = aa->aa_dmat; |
244 | |
245 | strlcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ16); |
246 | |
247 | printf(" channel %u", sc->sc_chan->ch_id); |
248 | |
249 | if (hvn_nvs_attach(sc)) { |
250 | printf(": failed to init NVSP\n"); |
251 | return; |
252 | } |
253 | |
254 | if (hvn_rx_ring_create(sc)) { |
255 | printf(": failed to create Rx ring\n"); |
256 | goto detach; |
257 | } |
258 | |
259 | if (hvn_tx_ring_create(sc)) { |
260 | printf(": failed to create Tx ring\n"); |
261 | goto detach; |
262 | } |
263 | |
264 | ifp->if_flags = IFF_BROADCAST0x2 | IFF_SIMPLEX0x800 | IFF_MULTICAST0x8000; |
265 | ifp->if_xflags = IFXF_MPSAFE0x1; |
266 | ifp->if_ioctl = hvn_ioctl; |
267 | ifp->if_qstart = hvn_start; |
268 | ifp->if_softc = sc; |
269 | |
270 | ifp->if_capabilitiesif_data.ifi_capabilities = IFCAP_CSUM_IPv40x00000001 | IFCAP_CSUM_TCPv40x00000002 | |
271 | IFCAP_CSUM_TCPv60x00000080; |
272 | if (sc->sc_ndisver > NDIS_VERSION_6_300x0006001e) |
273 | ifp->if_capabilitiesif_data.ifi_capabilities |= IFCAP_CSUM_UDPv40x00000004 | IFCAP_CSUM_UDPv60x00000100; |
274 | |
275 | if (sc->sc_proto >= HVN_NVS_PROTO_VERSION_20x30002) { |
276 | ifp->if_hardmtu = HVN_MAXMTU(9 * 1024); |
277 | #if NVLAN1 > 0 |
278 | ifp->if_capabilitiesif_data.ifi_capabilities |= IFCAP_VLAN_HWTAGGING0x00000020 | IFCAP_VLAN_MTU0x00000010; |
279 | #endif |
280 | } |
281 | |
282 | ifq_init_maxlen(&ifp->if_snd, HVN_TX_DESC256 - 1); |
283 | |
284 | ifmedia_init(&sc->sc_media, IFM_IMASK0xff00000000000000ULL, hvn_media_change, |
285 | hvn_media_status); |
286 | ifmedia_add(&sc->sc_media, IFM_ETHER0x0000000000000100ULL | IFM_MANUAL1ULL, 0, NULL((void *)0)); |
287 | ifmedia_set(&sc->sc_media, IFM_ETHER0x0000000000000100ULL | IFM_MANUAL1ULL); |
288 | |
289 | if_attach(ifp); |
290 | |
291 | if (hvn_rndis_attach(sc)) { |
292 | printf(": failed to init RNDIS\n"); |
293 | goto detach; |
294 | } |
295 | |
296 | printf(": NVS %d.%d NDIS %d.%d", sc->sc_proto >> 16, |
297 | sc->sc_proto & 0xffff, sc->sc_ndisver >> 16 , |
298 | sc->sc_ndisver & 0xffff); |
299 | |
300 | if (hvn_set_capabilities(sc)) { |
301 | printf(": failed to setup offloading\n"); |
302 | hvn_rndis_detach(sc); |
303 | goto detach; |
304 | } |
305 | |
306 | if (hvn_get_lladdr(sc)) { |
307 | printf(": failed to obtain an ethernet address\n"); |
308 | hvn_rndis_detach(sc); |
309 | goto detach; |
310 | } |
311 | |
312 | printf(", address %s\n", ether_sprintf(sc->sc_ac.ac_enaddr)); |
313 | |
314 | ether_ifattach(ifp); |
315 | return; |
316 | |
317 | detach: |
318 | hvn_rx_ring_destroy(sc); |
319 | hvn_tx_ring_destroy(sc); |
320 | hvn_nvs_detach(sc); |
321 | if (ifp->if_qstart) |
322 | if_detach(ifp); |
323 | } |
324 | |
325 | int |
326 | hvn_ioctl(struct ifnet *ifp, u_long command, caddr_t data) |
327 | { |
328 | struct hvn_softc *sc = ifp->if_softc; |
329 | struct ifreq *ifr = (struct ifreq *)data; |
330 | int s, error = 0; |
331 | |
332 | s = splnet()splraise(0x4); |
333 | |
334 | switch (command) { |
335 | case SIOCSIFADDR((unsigned long)0x80000000 | ((sizeof(struct ifreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((12))): |
336 | ifp->if_flags |= IFF_UP0x1; |
337 | if (!(ifp->if_flags & IFF_RUNNING0x40)) |
338 | hvn_init(sc); |
339 | break; |
340 | case SIOCSIFFLAGS((unsigned long)0x80000000 | ((sizeof(struct ifreq) & 0x1fff ) << 16) | ((('i')) << 8) | ((16))): |
341 | if (ifp->if_flags & IFF_UP0x1) { |
342 | if (ifp->if_flags & IFF_RUNNING0x40) |
343 | error = ENETRESET52; |
344 | else |
345 | hvn_init(sc); |
346 | } else { |
347 | if (ifp->if_flags & IFF_RUNNING0x40) |
348 | hvn_stop(sc); |
349 | } |
350 | break; |
351 | case SIOCGIFMEDIA(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifmediareq) & 0x1fff) << 16) | ((('i')) << 8) | ((56))): |
352 | case SIOCSIFMEDIA(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct ifreq) & 0x1fff) << 16) | ((('i')) << 8) | ((55))): |
353 | error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, command); |
354 | break; |
355 | default: |
356 | error = ether_ioctl(ifp, &sc->sc_ac, command, data); |
357 | } |
358 | |
359 | if (error == ENETRESET52) { |
360 | if (ifp->if_flags & IFF_RUNNING0x40) |
361 | hvn_iff(sc); |
362 | error = 0; |
363 | } |
364 | |
365 | splx(s)spllower(s); |
366 | |
367 | return (error); |
368 | } |
369 | |
370 | int |
371 | hvn_media_change(struct ifnet *ifp) |
372 | { |
373 | return (0); |
374 | } |
375 | |
376 | void |
377 | hvn_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) |
378 | { |
379 | struct hvn_softc *sc = ifp->if_softc; |
380 | |
381 | hvn_get_link_status(sc); |
382 | hvn_link_status(sc); |
383 | |
384 | ifmr->ifm_status = IFM_AVALID0x0000000000000001ULL; |
385 | ifmr->ifm_active = IFM_ETHER0x0000000000000100ULL | IFM_MANUAL1ULL; |
386 | if (sc->sc_link_state == LINK_STATE_UP4) |
387 | ifmr->ifm_status |= IFM_ACTIVE0x0000000000000002ULL; |
388 | } |
389 | |
390 | void |
391 | hvn_link_status(struct hvn_softc *sc) |
392 | { |
393 | struct ifnet *ifp = &sc->sc_ac.ac_if; |
394 | |
395 | if (sc->sc_link_state != ifp->if_link_stateif_data.ifi_link_state) { |
396 | ifp->if_link_stateif_data.ifi_link_state = sc->sc_link_state; |
397 | if_link_state_change(ifp); |
398 | } |
399 | } |
400 | |
401 | int |
402 | hvn_iff(struct hvn_softc *sc) |
403 | { |
404 | struct ifnet *ifp = &sc->sc_ac.ac_if; |
405 | uint32_t filter = 0; |
406 | int rv; |
407 | |
408 | ifp->if_flags &= ~IFF_ALLMULTI0x200; |
409 | |
410 | if ((ifp->if_flags & IFF_PROMISC0x100) || sc->sc_ac.ac_multirangecnt > 0) { |
411 | ifp->if_flags |= IFF_ALLMULTI0x200; |
412 | filter = NDIS_PACKET_TYPE_PROMISCUOUS0x00000020; |
413 | } else { |
414 | filter = NDIS_PACKET_TYPE_BROADCAST0x00000008 | |
415 | NDIS_PACKET_TYPE_DIRECTED0x00000001; |
416 | if (sc->sc_ac.ac_multicnt > 0) { |
417 | ifp->if_flags |= IFF_ALLMULTI0x200; |
418 | filter |= NDIS_PACKET_TYPE_ALL_MULTICAST0x00000004; |
419 | } |
420 | } |
421 | |
422 | rv = hvn_rndis_set(sc, OID_GEN_CURRENT_PACKET_FILTER0x0001010E, |
423 | &filter, sizeof(filter)); |
424 | if (rv) |
425 | DPRINTF("%s: failed to set RNDIS filter to %#x\n", |
426 | sc->sc_dev.dv_xname, filter); |
427 | return (rv); |
428 | } |
429 | |
430 | void |
431 | hvn_init(struct hvn_softc *sc) |
432 | { |
433 | struct ifnet *ifp = &sc->sc_ac.ac_if; |
434 | |
435 | hvn_stop(sc); |
436 | |
437 | if (hvn_iff(sc) == 0) { |
438 | ifp->if_flags |= IFF_RUNNING0x40; |
439 | ifq_clr_oactive(&ifp->if_snd); |
440 | } |
441 | } |
442 | |
443 | void |
444 | hvn_stop(struct hvn_softc *sc) |
445 | { |
446 | struct ifnet *ifp = &sc->sc_ac.ac_if; |
447 | |
448 | if (ifp->if_flags & IFF_RUNNING0x40) { |
449 | ifp->if_flags &= ~IFF_RUNNING0x40; |
450 | hvn_rndis_close(sc); |
451 | } |
452 | |
453 | ifq_barrier(&ifp->if_snd); |
454 | sched_barrier(NULL((void *)0)); |
455 | |
456 | ifq_clr_oactive(&ifp->if_snd); |
457 | } |
458 | |
459 | void |
460 | hvn_start(struct ifqueue *ifq) |
461 | { |
462 | struct ifnet *ifp = ifq->ifq_if; |
463 | struct hvn_softc *sc = ifp->if_softc; |
464 | struct hvn_tx_desc *txd; |
465 | struct mbuf *m; |
466 | |
467 | for (;;) { |
468 | if (!sc->sc_tx_avail) { |
469 | /* transient */ |
470 | ifq_set_oactive(ifq); |
471 | break; |
472 | } |
473 | |
474 | m = ifq_dequeue(ifq); |
475 | if (m == NULL((void *)0)) |
476 | break; |
477 | |
478 | if (hvn_encap(sc, m, &txd)) { |
479 | /* the chain is too large */ |
480 | ifp->if_oerrorsif_data.ifi_oerrors++; |
481 | m_freem(m); |
482 | continue; |
483 | } |
484 | |
485 | #if NBPFILTER1 > 0 |
486 | if (ifp->if_bpf) |
487 | bpf_mtap_ether(ifp->if_bpf, m, BPF_DIRECTION_OUT(1 << 1)); |
488 | #endif |
489 | |
490 | if (hvn_rndis_output(sc, txd)) { |
491 | hvn_decap(sc, txd); |
492 | ifp->if_oerrorsif_data.ifi_oerrors++; |
493 | m_freem(m); |
494 | continue; |
495 | } |
496 | |
497 | sc->sc_tx_next++; |
498 | } |
499 | } |
500 | |
501 | static inline char * |
502 | hvn_rndis_pktinfo_append(struct rndis_packet_msg *pkt, size_t pktsize, |
503 | size_t datalen, uint32_t type) |
504 | { |
505 | struct rndis_pktinfo *pi; |
506 | size_t pi_size = sizeof(*pi) + datalen; |
507 | char *cp; |
508 | |
509 | KASSERT(pkt->rm_pktinfooffset + pkt->rm_pktinfolen + pi_size <=((pkt->rm_pktinfooffset + pkt->rm_pktinfolen + pi_size <= pktsize) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/pv/if_hvn.c" , 510, "pkt->rm_pktinfooffset + pkt->rm_pktinfolen + pi_size <= pktsize" )) |
510 | pktsize)((pkt->rm_pktinfooffset + pkt->rm_pktinfolen + pi_size <= pktsize) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/pv/if_hvn.c" , 510, "pkt->rm_pktinfooffset + pkt->rm_pktinfolen + pi_size <= pktsize" )); |
511 | |
512 | cp = (char *)pkt + pkt->rm_pktinfooffset + pkt->rm_pktinfolen; |
513 | pi = (struct rndis_pktinfo *)cp; |
514 | pi->rm_size = pi_size; |
515 | pi->rm_type = type; |
516 | pi->rm_pktinfooffset = sizeof(*pi); |
517 | pkt->rm_pktinfolen += pi_size; |
518 | pkt->rm_dataoffset += pi_size; |
519 | pkt->rm_len += pi_size; |
520 | return ((char *)pi->rm_data); |
521 | } |
522 | |
523 | int |
524 | hvn_encap(struct hvn_softc *sc, struct mbuf *m, struct hvn_tx_desc **txd0) |
525 | { |
526 | struct hvn_tx_desc *txd; |
527 | struct rndis_packet_msg *pkt; |
528 | bus_dma_segment_t *seg; |
529 | size_t pktlen; |
530 | int i, rv; |
531 | |
532 | do { |
533 | txd = &sc->sc_tx_desc[sc->sc_tx_next % HVN_TX_DESC256]; |
534 | sc->sc_tx_next++; |
535 | } while (!txd->txd_ready); |
536 | txd->txd_ready = 0; |
537 | |
538 | pkt = txd->txd_req; |
539 | memset(pkt, 0, HVN_RNDIS_PKT_LEN)__builtin_memset((pkt), (0), ((sizeof(struct rndis_packet_msg ) + sizeof(struct rndis_pktinfo) + sizeof(uint32_t) + sizeof( struct rndis_pktinfo) + sizeof(uint32_t)))); |
540 | pkt->rm_type = REMOTE_NDIS_PACKET_MSG0x00000001; |
541 | pkt->rm_len = sizeof(*pkt) + m->m_pkthdrM_dat.MH.MH_pkthdr.len; |
542 | pkt->rm_dataoffset = RNDIS_DATA_OFFSET(sizeof(struct rndis_packet_msg) - (sizeof(struct rndis_msghdr ))); |
543 | pkt->rm_datalen = m->m_pkthdrM_dat.MH.MH_pkthdr.len; |
544 | pkt->rm_pktinfooffset = sizeof(*pkt); /* adjusted below */ |
545 | pkt->rm_pktinfolen = 0; |
546 | |
547 | rv = bus_dmamap_load_mbuf(sc->sc_dmat, txd->txd_dmap, m, BUS_DMA_READ |(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( txd->txd_dmap), (m), (0x0200 | 0x0001)) |
548 | BUS_DMA_NOWAIT)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( txd->txd_dmap), (m), (0x0200 | 0x0001)); |
549 | switch (rv) { |
550 | case 0: |
551 | break; |
552 | case EFBIG27: |
553 | if (m_defrag(m, M_NOWAIT0x0002) == 0 && |
554 | bus_dmamap_load_mbuf(sc->sc_dmat, txd->txd_dmap, m,(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( txd->txd_dmap), (m), (0x0200 | 0x0001)) |
555 | BUS_DMA_READ | BUS_DMA_NOWAIT)(*(sc->sc_dmat)->_dmamap_load_mbuf)((sc->sc_dmat), ( txd->txd_dmap), (m), (0x0200 | 0x0001)) == 0) |
556 | break; |
557 | /* FALLTHROUGH */ |
558 | default: |
559 | DPRINTF("%s: failed to load mbuf\n", sc->sc_dev.dv_xname); |
560 | return (-1); |
561 | } |
562 | txd->txd_buf = m; |
563 | |
564 | #if NVLAN1 > 0 |
565 | if (m->m_flagsm_hdr.mh_flags & M_VLANTAG0x0020) { |
566 | uint32_t vlan; |
567 | char *cp; |
568 | |
569 | vlan = NDIS_VLAN_INFO(EVL_VLANOFTAG(m->m_pkthdr.ether_vtag),((((((m->M_dat.MH.MH_pkthdr.ether_vtag) >> 13) & 7)) & 0x0007) | (((((m->M_dat.MH.MH_pkthdr.ether_vtag ) & 0xFFF)) & 0xfff) << 4)) |
570 | EVL_PRIOFTAG(m->m_pkthdr.ether_vtag))((((((m->M_dat.MH.MH_pkthdr.ether_vtag) >> 13) & 7)) & 0x0007) | (((((m->M_dat.MH.MH_pkthdr.ether_vtag ) & 0xFFF)) & 0xfff) << 4)); |
571 | cp = hvn_rndis_pktinfo_append(pkt, HVN_RNDIS_PKT_LEN(sizeof(struct rndis_packet_msg) + sizeof(struct rndis_pktinfo ) + sizeof(uint32_t) + sizeof(struct rndis_pktinfo) + sizeof( uint32_t)), |
572 | NDIS_VLAN_INFO_SIZEsizeof(uint32_t), NDIS_PKTINFO_TYPE_VLAN6); |
573 | memcpy(cp, &vlan, NDIS_VLAN_INFO_SIZE)__builtin_memcpy((cp), (&vlan), (sizeof(uint32_t))); |
574 | } |
575 | #endif |
576 | |
577 | if (m->m_pkthdrM_dat.MH.MH_pkthdr.csum_flags & (M_IPV4_CSUM_OUT0x0001 | M_UDP_CSUM_OUT0x0004 | |
578 | M_TCP_CSUM_OUT0x0002)) { |
579 | uint32_t csum = NDIS_TXCSUM_INFO_IPV40x00000001; |
580 | char *cp; |
581 | |
582 | if (m->m_pkthdrM_dat.MH.MH_pkthdr.csum_flags & M_IPV4_CSUM_OUT0x0001) |
583 | csum |= NDIS_TXCSUM_INFO_IPCS0x00000010; |
584 | if (m->m_pkthdrM_dat.MH.MH_pkthdr.csum_flags & M_TCP_CSUM_OUT0x0002) |
585 | csum |= NDIS_TXCSUM_INFO_TCPCS0x00000004; |
586 | if (m->m_pkthdrM_dat.MH.MH_pkthdr.csum_flags & M_UDP_CSUM_OUT0x0004) |
587 | csum |= NDIS_TXCSUM_INFO_UDPCS0x00000008; |
588 | cp = hvn_rndis_pktinfo_append(pkt, HVN_RNDIS_PKT_LEN(sizeof(struct rndis_packet_msg) + sizeof(struct rndis_pktinfo ) + sizeof(uint32_t) + sizeof(struct rndis_pktinfo) + sizeof( uint32_t)), |
589 | NDIS_TXCSUM_INFO_SIZEsizeof(uint32_t), NDIS_PKTINFO_TYPE_CSUM0); |
590 | memcpy(cp, &csum, NDIS_TXCSUM_INFO_SIZE)__builtin_memcpy((cp), (&csum), (sizeof(uint32_t))); |
591 | } |
592 | |
593 | pktlen = pkt->rm_pktinfooffset + pkt->rm_pktinfolen; |
594 | pkt->rm_pktinfooffset -= RNDIS_HEADER_OFFSET(sizeof(struct rndis_msghdr)); |
595 | |
596 | /* Attach an RNDIS message to the first slot */ |
597 | txd->txd_sgl[0].gpa_page = txd->txd_gpa.gpa_page; |
598 | txd->txd_sgl[0].gpa_ofs = txd->txd_gpa.gpa_ofs; |
599 | txd->txd_sgl[0].gpa_len = pktlen; |
600 | txd->txd_nsge = txd->txd_dmap->dm_nsegs + 1; |
601 | |
602 | for (i = 0; i < txd->txd_dmap->dm_nsegs; i++) { |
603 | seg = &txd->txd_dmap->dm_segs[i]; |
604 | txd->txd_sgl[1 + i].gpa_page = atop(seg->ds_addr)((seg->ds_addr) >> 12); |
605 | txd->txd_sgl[1 + i].gpa_ofs = seg->ds_addr & PAGE_MASK((1 << 12) - 1); |
606 | txd->txd_sgl[1 + i].gpa_len = seg->ds_len; |
607 | } |
608 | |
609 | *txd0 = txd; |
610 | |
611 | atomic_dec_int(&sc->sc_tx_avail)_atomic_dec_int(&sc->sc_tx_avail); |
612 | |
613 | return (0); |
614 | } |
615 | |
616 | void |
617 | hvn_decap(struct hvn_softc *sc, struct hvn_tx_desc *txd) |
618 | { |
619 | bus_dmamap_sync(sc->sc_dmat, txd->txd_dmap, 0, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (txd-> txd_dmap), (0), (0), (0x02 | 0x08)) |
620 | BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (txd-> txd_dmap), (0), (0), (0x02 | 0x08)); |
621 | bus_dmamap_unload(sc->sc_dmat, txd->txd_dmap)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (txd ->txd_dmap)); |
622 | txd->txd_buf = NULL((void *)0); |
623 | txd->txd_nsge = 0; |
624 | txd->txd_ready = 1; |
625 | atomic_inc_int(&sc->sc_tx_avail)_atomic_inc_int(&sc->sc_tx_avail); |
626 | } |
627 | |
628 | void |
629 | hvn_txeof(struct hvn_softc *sc, uint64_t tid) |
630 | { |
631 | struct hvn_tx_desc *txd; |
632 | struct mbuf *m; |
633 | uint32_t id = tid >> 32; |
634 | |
635 | if ((tid & 0xffffffffU) != 0) |
636 | return; |
637 | id -= HVN_NVS_CHIM_SIG0x1984; |
638 | if (id >= HVN_TX_DESC256) |
639 | panic("tx packet index too large: %u", id); |
640 | |
641 | txd = &sc->sc_tx_desc[id]; |
642 | |
643 | if ((m = txd->txd_buf) == NULL((void *)0)) |
644 | panic("%s: no mbuf @%u", sc->sc_dev.dv_xname, id); |
645 | txd->txd_buf = NULL((void *)0); |
646 | |
647 | bus_dmamap_sync(sc->sc_dmat, txd->txd_dmap, 0, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (txd-> txd_dmap), (0), (0), (0x02 | 0x08)) |
648 | BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (txd-> txd_dmap), (0), (0), (0x02 | 0x08)); |
649 | bus_dmamap_unload(sc->sc_dmat, txd->txd_dmap)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (txd ->txd_dmap)); |
650 | m_freem(m); |
651 | |
652 | txd->txd_ready = 1; |
653 | |
654 | atomic_inc_int(&sc->sc_tx_avail)_atomic_inc_int(&sc->sc_tx_avail); |
655 | |
656 | } |
657 | |
658 | int |
659 | hvn_rx_ring_create(struct hvn_softc *sc) |
660 | { |
661 | struct hvn_nvs_rxbuf_conn cmd; |
662 | struct hvn_nvs_rxbuf_conn_resp *rsp; |
663 | uint64_t tid; |
664 | |
665 | if (sc->sc_proto <= HVN_NVS_PROTO_VERSION_20x30002) |
666 | sc->sc_rx_size = 15 * 1024 * 1024; /* 15MB */ |
667 | else |
668 | sc->sc_rx_size = 16 * 1024 * 1024; /* 16MB */ |
669 | sc->sc_rx_ring = km_alloc(sc->sc_rx_size, &kv_any, &kp_zero, |
670 | cold ? &kd_nowait : &kd_waitok); |
671 | if (sc->sc_rx_ring == NULL((void *)0)) { |
672 | DPRINTF("%s: failed to allocate Rx ring buffer\n", |
673 | sc->sc_dev.dv_xname); |
674 | return (-1); |
675 | } |
676 | if (hv_handle_alloc(sc->sc_chan, sc->sc_rx_ring, sc->sc_rx_size, |
677 | &sc->sc_rx_hndl)) { |
678 | DPRINTF("%s: failed to obtain a PA handle\n", |
679 | sc->sc_dev.dv_xname); |
680 | goto errout; |
681 | } |
682 | |
683 | memset(&cmd, 0, sizeof(cmd))__builtin_memset((&cmd), (0), (sizeof(cmd))); |
684 | cmd.nvs_type = HVN_NVS_TYPE_RXBUF_CONN101; |
685 | cmd.nvs_gpadl = sc->sc_rx_hndl; |
686 | cmd.nvs_sig = HVN_NVS_RXBUF_SIG0x2409; |
687 | |
688 | tid = atomic_inc_int_nv(&sc->sc_nvstid)_atomic_add_int_nv((&sc->sc_nvstid), 1); |
689 | if (hvn_nvs_cmd(sc, &cmd, sizeof(cmd), tid, 100)) |
690 | goto errout; |
691 | |
692 | rsp = (struct hvn_nvs_rxbuf_conn_resp *)&sc->sc_nvsrsp; |
693 | if (rsp->nvs_status != HVN_NVS_STATUS_OK1) { |
694 | DPRINTF("%s: failed to set up the Rx ring\n", |
695 | sc->sc_dev.dv_xname); |
696 | goto errout; |
697 | } |
698 | if (rsp->nvs_nsect > 1) { |
699 | DPRINTF("%s: invalid number of Rx ring sections: %u\n", |
700 | sc->sc_dev.dv_xname, rsp->nvs_nsect); |
701 | hvn_rx_ring_destroy(sc); |
702 | return (-1); |
703 | } |
704 | return (0); |
705 | |
706 | errout: |
707 | if (sc->sc_rx_hndl) { |
708 | hv_handle_free(sc->sc_chan, sc->sc_rx_hndl); |
709 | sc->sc_rx_hndl = 0; |
710 | } |
711 | if (sc->sc_rx_ring) { |
712 | km_free(sc->sc_rx_ring, sc->sc_rx_size, &kv_any, &kp_zero); |
713 | sc->sc_rx_ring = NULL((void *)0); |
714 | } |
715 | return (-1); |
716 | } |
717 | |
718 | int |
719 | hvn_rx_ring_destroy(struct hvn_softc *sc) |
720 | { |
721 | struct hvn_nvs_rxbuf_disconn cmd; |
722 | uint64_t tid; |
723 | |
724 | if (sc->sc_rx_ring == NULL((void *)0)) |
725 | return (0); |
726 | |
727 | memset(&cmd, 0, sizeof(cmd))__builtin_memset((&cmd), (0), (sizeof(cmd))); |
728 | cmd.nvs_type = HVN_NVS_TYPE_RXBUF_DISCONN103; |
729 | cmd.nvs_sig = HVN_NVS_RXBUF_SIG0x2409; |
730 | |
731 | tid = atomic_inc_int_nv(&sc->sc_nvstid)_atomic_add_int_nv((&sc->sc_nvstid), 1); |
732 | if (hvn_nvs_cmd(sc, &cmd, sizeof(cmd), tid, 0)) |
733 | return (-1); |
734 | |
735 | delay(100)(*delay_func)(100); |
736 | |
737 | hv_handle_free(sc->sc_chan, sc->sc_rx_hndl); |
738 | |
739 | sc->sc_rx_hndl = 0; |
740 | |
741 | km_free(sc->sc_rx_ring, sc->sc_rx_size, &kv_any, &kp_zero); |
742 | sc->sc_rx_ring = NULL((void *)0); |
743 | |
744 | return (0); |
745 | } |
746 | |
747 | int |
748 | hvn_tx_ring_create(struct hvn_softc *sc) |
749 | { |
750 | struct hvn_tx_desc *txd; |
751 | bus_dma_segment_t *seg; |
752 | size_t msgsize; |
753 | int i, rsegs; |
754 | paddr_t pa; |
755 | |
756 | msgsize = roundup(HVN_RNDIS_PKT_LEN, 128)(((((sizeof(struct rndis_packet_msg) + sizeof(struct rndis_pktinfo ) + sizeof(uint32_t) + sizeof(struct rndis_pktinfo) + sizeof( uint32_t)))+((128)-1))/(128))*(128)); |
757 | |
758 | /* Allocate memory to store RNDIS messages */ |
759 | if (bus_dmamem_alloc(sc->sc_dmat, msgsize * HVN_TX_DESC, PAGE_SIZE, 0,(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), (msgsize * 256), ((1 << 12)), (0), (&sc->sc_tx_mseg), (1 ), (&rsegs), (0x1000 | 0x0000)) |
760 | &sc->sc_tx_mseg, 1, &rsegs, BUS_DMA_ZERO | BUS_DMA_WAITOK)(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), (msgsize * 256), ((1 << 12)), (0), (&sc->sc_tx_mseg), (1 ), (&rsegs), (0x1000 | 0x0000))) { |
761 | DPRINTF("%s: failed to allocate memory for RDNIS messages\n", |
762 | sc->sc_dev.dv_xname); |
763 | goto errout; |
764 | } |
765 | if (bus_dmamem_map(sc->sc_dmat, &sc->sc_tx_mseg, 1, msgsize *(*(sc->sc_dmat)->_dmamem_map)((sc->sc_dmat), (&sc ->sc_tx_mseg), (1), (msgsize * 256), ((caddr_t *)&sc-> sc_tx_msgs), (0x0000)) |
766 | HVN_TX_DESC, (caddr_t *)&sc->sc_tx_msgs, BUS_DMA_WAITOK)(*(sc->sc_dmat)->_dmamem_map)((sc->sc_dmat), (&sc ->sc_tx_mseg), (1), (msgsize * 256), ((caddr_t *)&sc-> sc_tx_msgs), (0x0000))) { |
767 | DPRINTF("%s: failed to establish mapping for RDNIS messages\n", |
768 | sc->sc_dev.dv_xname); |
769 | goto errout; |
770 | } |
771 | if (bus_dmamap_create(sc->sc_dmat, msgsize * HVN_TX_DESC, 1,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (msgsize * 256), (1), (msgsize * 256), (0), (0x0000), (&sc->sc_tx_rmap )) |
772 | msgsize * HVN_TX_DESC, 0, BUS_DMA_WAITOK, &sc->sc_tx_rmap)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (msgsize * 256), (1), (msgsize * 256), (0), (0x0000), (&sc->sc_tx_rmap ))) { |
773 | DPRINTF("%s: failed to create map for RDNIS messages\n", |
774 | sc->sc_dev.dv_xname); |
775 | goto errout; |
776 | } |
777 | if (bus_dmamap_load(sc->sc_dmat, sc->sc_tx_rmap, sc->sc_tx_msgs,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (sc-> sc_tx_rmap), (sc->sc_tx_msgs), (msgsize * 256), (((void *) 0)), (0x0000)) |
778 | msgsize * HVN_TX_DESC, NULL, BUS_DMA_WAITOK)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (sc-> sc_tx_rmap), (sc->sc_tx_msgs), (msgsize * 256), (((void *) 0)), (0x0000))) { |
779 | DPRINTF("%s: failed to create map for RDNIS messages\n", |
780 | sc->sc_dev.dv_xname); |
781 | goto errout; |
782 | } |
783 | |
784 | for (i = 0; i < HVN_TX_DESC256; i++) { |
785 | txd = &sc->sc_tx_desc[i]; |
786 | if (bus_dmamap_create(sc->sc_dmat, HVN_TX_PKT_SIZE,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (16384 ), (15), ((1 << 12)), ((1 << 12)), (0x0000), (& txd->txd_dmap)) |
787 | HVN_TX_FRAGS, HVN_TX_FRAG_SIZE, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (16384 ), (15), ((1 << 12)), ((1 << 12)), (0x0000), (& txd->txd_dmap)) |
788 | BUS_DMA_WAITOK, &txd->txd_dmap)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), (16384 ), (15), ((1 << 12)), ((1 << 12)), (0x0000), (& txd->txd_dmap))) { |
789 | DPRINTF("%s: failed to create map for TX descriptors\n", |
790 | sc->sc_dev.dv_xname); |
791 | goto errout; |
792 | } |
793 | seg = &sc->sc_tx_rmap->dm_segs[0]; |
794 | pa = seg->ds_addr + (msgsize * i); |
795 | txd->txd_gpa.gpa_page = atop(pa)((pa) >> 12); |
796 | txd->txd_gpa.gpa_ofs = pa & PAGE_MASK((1 << 12) - 1); |
797 | txd->txd_gpa.gpa_len = msgsize; |
798 | txd->txd_req = (void *)((caddr_t)sc->sc_tx_msgs + |
799 | (msgsize * i)); |
800 | txd->txd_id = i + HVN_NVS_CHIM_SIG0x1984; |
801 | txd->txd_ready = 1; |
802 | } |
803 | sc->sc_tx_avail = HVN_TX_DESC256; |
804 | |
805 | return (0); |
806 | |
807 | errout: |
808 | hvn_tx_ring_destroy(sc); |
809 | return (-1); |
810 | } |
811 | |
812 | void |
813 | hvn_tx_ring_destroy(struct hvn_softc *sc) |
814 | { |
815 | struct hvn_tx_desc *txd; |
816 | int i; |
817 | |
818 | for (i = 0; i < HVN_TX_DESC256; i++) { |
819 | txd = &sc->sc_tx_desc[i]; |
820 | if (txd->txd_dmap == NULL((void *)0)) |
821 | continue; |
822 | bus_dmamap_sync(sc->sc_dmat, txd->txd_dmap, 0, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (txd-> txd_dmap), (0), (0), (0x08)) |
823 | BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (txd-> txd_dmap), (0), (0), (0x08)); |
824 | bus_dmamap_unload(sc->sc_dmat, txd->txd_dmap)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (txd ->txd_dmap)); |
825 | bus_dmamap_destroy(sc->sc_dmat, txd->txd_dmap)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (txd ->txd_dmap)); |
826 | txd->txd_dmap = NULL((void *)0); |
827 | if (txd->txd_buf == NULL((void *)0)) |
828 | continue; |
829 | m_free(txd->txd_buf); |
830 | txd->txd_buf = NULL((void *)0); |
831 | } |
832 | if (sc->sc_tx_rmap) { |
833 | bus_dmamap_sync(sc->sc_dmat, sc->sc_tx_rmap, 0, 0,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc-> sc_tx_rmap), (0), (0), (0x08)) |
834 | BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (sc-> sc_tx_rmap), (0), (0), (0x08)); |
835 | bus_dmamap_unload(sc->sc_dmat, sc->sc_tx_rmap)(*(sc->sc_dmat)->_dmamap_unload)((sc->sc_dmat), (sc-> sc_tx_rmap)); |
836 | bus_dmamap_destroy(sc->sc_dmat, sc->sc_tx_rmap)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (sc ->sc_tx_rmap)); |
837 | } |
838 | if (sc->sc_tx_msgs) { |
839 | size_t msgsize = roundup(HVN_RNDIS_PKT_LEN, 128)(((((sizeof(struct rndis_packet_msg) + sizeof(struct rndis_pktinfo ) + sizeof(uint32_t) + sizeof(struct rndis_pktinfo) + sizeof( uint32_t)))+((128)-1))/(128))*(128)); |
840 | |
841 | bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_tx_msgs,(*(sc->sc_dmat)->_dmamem_unmap)((sc->sc_dmat), ((caddr_t )sc->sc_tx_msgs), (msgsize * 256)) |
842 | msgsize * HVN_TX_DESC)(*(sc->sc_dmat)->_dmamem_unmap)((sc->sc_dmat), ((caddr_t )sc->sc_tx_msgs), (msgsize * 256)); |
843 | bus_dmamem_free(sc->sc_dmat, &sc->sc_tx_mseg, 1)(*(sc->sc_dmat)->_dmamem_free)((sc->sc_dmat), (& sc->sc_tx_mseg), (1)); |
844 | } |
845 | sc->sc_tx_rmap = NULL((void *)0); |
846 | sc->sc_tx_msgs = NULL((void *)0); |
847 | } |
848 | |
849 | int |
850 | hvn_get_lladdr(struct hvn_softc *sc) |
851 | { |
852 | char enaddr[ETHER_ADDR_LEN6]; |
853 | size_t addrlen = ETHER_ADDR_LEN6; |
854 | int rv; |
855 | |
856 | rv = hvn_rndis_query(sc, OID_802_3_PERMANENT_ADDRESS0x01010101, |
857 | enaddr, &addrlen); |
858 | if (rv == 0 && addrlen == ETHER_ADDR_LEN6) |
859 | memcpy(sc->sc_ac.ac_enaddr, enaddr, ETHER_ADDR_LEN)__builtin_memcpy((sc->sc_ac.ac_enaddr), (enaddr), (6)); |
860 | return (rv); |
861 | } |
862 | |
863 | int |
864 | hvn_set_lladdr(struct hvn_softc *sc) |
865 | { |
866 | return (hvn_rndis_set(sc, OID_802_3_CURRENT_ADDRESS0x01010102, |
867 | sc->sc_ac.ac_enaddr, ETHER_ADDR_LEN6)); |
868 | } |
869 | |
870 | void |
871 | hvn_get_link_status(struct hvn_softc *sc) |
872 | { |
873 | uint32_t state; |
874 | size_t len = sizeof(state); |
875 | |
876 | if (hvn_rndis_query(sc, OID_GEN_MEDIA_CONNECT_STATUS0x00010114, |
877 | &state, &len) == 0) |
878 | sc->sc_link_state = (state == NDIS_MEDIA_STATE_CONNECTED0) ? |
879 | LINK_STATE_UP4 : LINK_STATE_DOWN2; |
880 | } |
881 | |
882 | int |
883 | hvn_nvs_attach(struct hvn_softc *sc) |
884 | { |
885 | const uint32_t protos[] = { |
886 | HVN_NVS_PROTO_VERSION_50x50000, HVN_NVS_PROTO_VERSION_40x40000, |
887 | HVN_NVS_PROTO_VERSION_20x30002, HVN_NVS_PROTO_VERSION_10x00002 |
888 | }; |
889 | struct hvn_nvs_init cmd; |
890 | struct hvn_nvs_init_resp *rsp; |
891 | struct hvn_nvs_ndis_init ncmd; |
892 | struct hvn_nvs_ndis_conf ccmd; |
893 | uint32_t ndisver, ringsize; |
894 | uint64_t tid; |
895 | int i; |
896 | |
897 | sc->sc_nvsbuf = malloc(HVN_NVS_BUFSIZE(1 << 12), M_DEVBUF2, M_ZERO0x0008 | |
898 | (cold ? M_NOWAIT0x0002 : M_WAITOK0x0001)); |
899 | if (sc->sc_nvsbuf == NULL((void *)0)) { |
900 | DPRINTF("%s: failed to allocate channel data buffer\n", |
901 | sc->sc_dev.dv_xname); |
902 | return (-1); |
903 | } |
904 | |
905 | /* We need to be able to fit all RNDIS control and data messages */ |
906 | ringsize = HVN_RNDIS_CTLREQS4 * |
907 | (sizeof(struct hvn_nvs_rndis) + sizeof(struct vmbus_gpa)) + |
908 | HVN_TX_DESC256 * (sizeof(struct hvn_nvs_rndis) + |
909 | (HVN_TX_FRAGS15 + 1) * sizeof(struct vmbus_gpa)); |
910 | |
911 | sc->sc_chan->ch_flags &= ~CHF_BATCHED0x0001; |
912 | |
913 | /* Associate our interrupt handler with the channel */ |
914 | if (hv_channel_open(sc->sc_chan, ringsize, NULL((void *)0), 0, |
915 | hvn_nvs_intr, sc)) { |
916 | DPRINTF("%s: failed to open channel\n", sc->sc_dev.dv_xname); |
917 | free(sc->sc_nvsbuf, M_DEVBUF2, HVN_NVS_BUFSIZE(1 << 12)); |
918 | return (-1); |
919 | } |
920 | |
921 | hv_evcount_attach(sc->sc_chan, sc->sc_dev.dv_xname); |
922 | |
923 | memset(&cmd, 0, sizeof(cmd))__builtin_memset((&cmd), (0), (sizeof(cmd))); |
924 | cmd.nvs_type = HVN_NVS_TYPE_INIT1; |
925 | for (i = 0; i < nitems(protos)(sizeof((protos)) / sizeof((protos)[0])); i++) { |
926 | cmd.nvs_ver_min = cmd.nvs_ver_max = protos[i]; |
927 | tid = atomic_inc_int_nv(&sc->sc_nvstid)_atomic_add_int_nv((&sc->sc_nvstid), 1); |
928 | if (hvn_nvs_cmd(sc, &cmd, sizeof(cmd), tid, 100)) |
929 | return (-1); |
930 | rsp = (struct hvn_nvs_init_resp *)&sc->sc_nvsrsp; |
931 | if (rsp->nvs_status == HVN_NVS_STATUS_OK1) { |
932 | sc->sc_proto = protos[i]; |
933 | break; |
934 | } |
935 | } |
936 | if (!sc->sc_proto) { |
937 | DPRINTF("%s: failed to negotiate NVSP version\n", |
938 | sc->sc_dev.dv_xname); |
939 | return (-1); |
940 | } |
941 | |
942 | if (sc->sc_proto >= HVN_NVS_PROTO_VERSION_20x30002) { |
943 | memset(&ccmd, 0, sizeof(ccmd))__builtin_memset((&ccmd), (0), (sizeof(ccmd))); |
944 | ccmd.nvs_type = HVN_NVS_TYPE_NDIS_CONF125; |
945 | ccmd.nvs_mtu = HVN_MAXMTU(9 * 1024); |
946 | ccmd.nvs_caps = HVN_NVS_NDIS_CONF_VLAN0x0008; |
947 | |
948 | tid = atomic_inc_int_nv(&sc->sc_nvstid)_atomic_add_int_nv((&sc->sc_nvstid), 1); |
949 | if (hvn_nvs_cmd(sc, &ccmd, sizeof(ccmd), tid, 100)) |
950 | return (-1); |
951 | } |
952 | |
953 | memset(&ncmd, 0, sizeof(ncmd))__builtin_memset((&ncmd), (0), (sizeof(ncmd))); |
954 | ncmd.nvs_type = HVN_NVS_TYPE_NDIS_INIT100; |
955 | if (sc->sc_proto <= HVN_NVS_PROTO_VERSION_40x40000) |
956 | ndisver = NDIS_VERSION_6_10x00060001; |
957 | else |
958 | ndisver = NDIS_VERSION_6_300x0006001e; |
959 | ncmd.nvs_ndis_major = (ndisver & 0xffff0000) >> 16; |
960 | ncmd.nvs_ndis_minor = (ndisver & 0x0000ffff); |
961 | |
962 | tid = atomic_inc_int_nv(&sc->sc_nvstid)_atomic_add_int_nv((&sc->sc_nvstid), 1); |
963 | if (hvn_nvs_cmd(sc, &ncmd, sizeof(ncmd), tid, 100)) |
964 | return (-1); |
965 | |
966 | sc->sc_ndisver = ndisver; |
967 | |
968 | return (0); |
969 | } |
970 | |
971 | void |
972 | hvn_nvs_intr(void *arg) |
973 | { |
974 | struct hvn_softc *sc = arg; |
975 | struct ifnet *ifp = &sc->sc_ac.ac_if; |
976 | struct vmbus_chanpkt_hdr *cph; |
977 | struct hvn_nvs_hdr *nvs; |
978 | uint64_t rid; |
979 | uint32_t rlen; |
980 | int rv; |
981 | |
982 | for (;;) { |
983 | rv = hv_channel_recv(sc->sc_chan, sc->sc_nvsbuf, |
984 | HVN_NVS_BUFSIZE(1 << 12), &rlen, &rid, 1); |
985 | if (rv != 0 || rlen == 0) { |
986 | if (rv != EAGAIN35) |
987 | printf("%s: failed to receive an NVSP " |
988 | "packet\n", sc->sc_dev.dv_xname); |
989 | break; |
990 | } |
991 | cph = (struct vmbus_chanpkt_hdr *)sc->sc_nvsbuf; |
992 | nvs = (struct hvn_nvs_hdr *)VMBUS_CHANPKT_CONST_DATA(cph)((const void *)((const uint8_t *)(cph) + (((int)((cph)->cph_hlen )) << 3))); |
993 | |
994 | if (cph->cph_type == VMBUS_CHANPKT_TYPE_COMP0x000b) { |
995 | switch (nvs->nvs_type) { |
996 | case HVN_NVS_TYPE_INIT_RESP2: |
997 | case HVN_NVS_TYPE_RXBUF_CONNRESP102: |
998 | case HVN_NVS_TYPE_CHIM_CONNRESP105: |
999 | case HVN_NVS_TYPE_SUBCH_RESP133: |
1000 | /* copy the response back */ |
1001 | memcpy(&sc->sc_nvsrsp, nvs, HVN_NVS_MSGSIZE)__builtin_memcpy((&sc->sc_nvsrsp), (nvs), (32)); |
1002 | sc->sc_nvsdone = 1; |
1003 | wakeup_one(&sc->sc_nvsrsp)wakeup_n((&sc->sc_nvsrsp), 1); |
1004 | break; |
1005 | case HVN_NVS_TYPE_RNDIS_ACK108: |
1006 | hvn_txeof(sc, cph->cph_tid); |
1007 | break; |
1008 | default: |
1009 | printf("%s: unhandled NVSP packet type %u " |
1010 | "on completion\n", sc->sc_dev.dv_xname, |
1011 | nvs->nvs_type); |
1012 | } |
1013 | } else if (cph->cph_type == VMBUS_CHANPKT_TYPE_RXBUF0x0007) { |
1014 | switch (nvs->nvs_type) { |
1015 | case HVN_NVS_TYPE_RNDIS107: |
1016 | hvn_rndis_input(sc, cph->cph_tid, cph); |
1017 | break; |
1018 | default: |
1019 | printf("%s: unhandled NVSP packet type %u " |
1020 | "on receive\n", sc->sc_dev.dv_xname, |
1021 | nvs->nvs_type); |
1022 | } |
1023 | } else |
1024 | printf("%s: unknown NVSP packet type %u\n", |
1025 | sc->sc_dev.dv_xname, cph->cph_type); |
1026 | } |
1027 | |
1028 | if (ifq_is_oactive(&ifp->if_snd)) |
1029 | ifq_restart(&ifp->if_snd); |
1030 | } |
1031 | |
1032 | int |
1033 | hvn_nvs_cmd(struct hvn_softc *sc, void *cmd, size_t cmdsize, uint64_t tid, |
1034 | int timo) |
1035 | { |
1036 | struct hvn_nvs_hdr *hdr = cmd; |
1037 | int tries = 10; |
1038 | int rv, s; |
1039 | |
1040 | KERNEL_ASSERT_LOCKED()((_kernel_lock_held()) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/pv/if_hvn.c" , 1040, "_kernel_lock_held()")); |
1041 | |
1042 | sc->sc_nvsdone = 0; |
1043 | |
1044 | do { |
1045 | rv = hv_channel_send(sc->sc_chan, cmd, cmdsize, |
1046 | tid, VMBUS_CHANPKT_TYPE_INBAND0x0006, |
1047 | timo ? VMBUS_CHANPKT_FLAG_RC0x0001 : 0); |
1048 | if (rv == EAGAIN35) { |
1049 | if (cold) |
1050 | delay(1000)(*delay_func)(1000); |
1051 | else { |
1052 | tsleep_nsec(cmd, PRIBIO16, "nvsout", |
1053 | USEC_TO_NSEC(1000)); |
1054 | } |
1055 | } else if (rv) { |
1056 | DPRINTF("%s: NVSP operation %u send error %d\n", |
1057 | sc->sc_dev.dv_xname, hdr->nvs_type, rv); |
1058 | return (rv); |
1059 | } |
1060 | } while (rv != 0 && --tries > 0); |
1061 | |
1062 | if (tries == 0 && rv != 0) { |
1063 | printf("%s: NVSP operation %u send error %d\n", |
1064 | sc->sc_dev.dv_xname, hdr->nvs_type, rv); |
1065 | return (rv); |
1066 | } |
1067 | |
1068 | if (timo == 0) |
1069 | return (0); |
1070 | |
1071 | do { |
1072 | if (cold) |
1073 | delay(1000)(*delay_func)(1000); |
1074 | else { |
1075 | tsleep_nsec(sc, PRIBIO16 | PCATCH0x100, "nvscmd", |
1076 | USEC_TO_NSEC(1000)); |
1077 | } |
1078 | s = splnet()splraise(0x4); |
1079 | hvn_nvs_intr(sc); |
1080 | splx(s)spllower(s); |
1081 | } while (--timo > 0 && sc->sc_nvsdone != 1); |
1082 | |
1083 | if (timo == 0 && sc->sc_nvsdone != 1) { |
1084 | printf("%s: NVSP operation %u timed out\n", |
1085 | sc->sc_dev.dv_xname, hdr->nvs_type); |
1086 | return (ETIMEDOUT60); |
1087 | } |
1088 | return (0); |
1089 | } |
1090 | |
1091 | int |
1092 | hvn_nvs_ack(struct hvn_softc *sc, uint64_t tid) |
1093 | { |
1094 | struct hvn_nvs_rndis_ack cmd; |
1095 | int tries = 5; |
1096 | int rv; |
1097 | |
1098 | cmd.nvs_type = HVN_NVS_TYPE_RNDIS_ACK108; |
1099 | cmd.nvs_status = HVN_NVS_STATUS_OK1; |
1100 | do { |
1101 | rv = hv_channel_send(sc->sc_chan, &cmd, sizeof(cmd), |
1102 | tid, VMBUS_CHANPKT_TYPE_COMP0x000b, 0); |
1103 | if (rv == EAGAIN35) |
1104 | delay(10)(*delay_func)(10); |
1105 | else if (rv) { |
1106 | DPRINTF("%s: NVSP acknowledgement error %d\n", |
1107 | sc->sc_dev.dv_xname, rv); |
1108 | return (rv); |
1109 | } |
1110 | } while (rv != 0 && --tries > 0); |
1111 | return (rv); |
1112 | } |
1113 | |
1114 | void |
1115 | hvn_nvs_detach(struct hvn_softc *sc) |
1116 | { |
1117 | if (hv_channel_close(sc->sc_chan) == 0) { |
1118 | free(sc->sc_nvsbuf, M_DEVBUF2, HVN_NVS_BUFSIZE(1 << 12)); |
1119 | sc->sc_nvsbuf = NULL((void *)0); |
1120 | } |
1121 | } |
1122 | |
1123 | static inline struct rndis_cmd * |
1124 | hvn_alloc_cmd(struct hvn_softc *sc) |
1125 | { |
1126 | struct rndis_cmd *rc; |
1127 | |
1128 | mtx_enter(&sc->sc_cntl_fqlck); |
1129 | while ((rc = TAILQ_FIRST(&sc->sc_cntl_fq)((&sc->sc_cntl_fq)->tqh_first)) == NULL((void *)0)) |
1130 | msleep_nsec(&sc->sc_cntl_fq, &sc->sc_cntl_fqlck, |
1131 | PRIBIO16, "nvsalloc", INFSLP0xffffffffffffffffULL); |
1132 | TAILQ_REMOVE(&sc->sc_cntl_fq, rc, rc_entry)do { if (((rc)->rc_entry.tqe_next) != ((void *)0)) (rc)-> rc_entry.tqe_next->rc_entry.tqe_prev = (rc)->rc_entry.tqe_prev ; else (&sc->sc_cntl_fq)->tqh_last = (rc)->rc_entry .tqe_prev; *(rc)->rc_entry.tqe_prev = (rc)->rc_entry.tqe_next ; ((rc)->rc_entry.tqe_prev) = ((void *)-1); ((rc)->rc_entry .tqe_next) = ((void *)-1); } while (0); |
1133 | mtx_leave(&sc->sc_cntl_fqlck); |
1134 | return (rc); |
1135 | } |
1136 | |
1137 | static inline void |
1138 | hvn_submit_cmd(struct hvn_softc *sc, struct rndis_cmd *rc) |
1139 | { |
1140 | mtx_enter(&sc->sc_cntl_sqlck); |
1141 | TAILQ_INSERT_TAIL(&sc->sc_cntl_sq, rc, rc_entry)do { (rc)->rc_entry.tqe_next = ((void *)0); (rc)->rc_entry .tqe_prev = (&sc->sc_cntl_sq)->tqh_last; *(&sc-> sc_cntl_sq)->tqh_last = (rc); (&sc->sc_cntl_sq)-> tqh_last = &(rc)->rc_entry.tqe_next; } while (0); |
1142 | mtx_leave(&sc->sc_cntl_sqlck); |
1143 | } |
1144 | |
1145 | static inline struct rndis_cmd * |
1146 | hvn_complete_cmd(struct hvn_softc *sc, uint32_t id) |
1147 | { |
1148 | struct rndis_cmd *rc; |
1149 | |
1150 | mtx_enter(&sc->sc_cntl_sqlck); |
1151 | TAILQ_FOREACH(rc, &sc->sc_cntl_sq, rc_entry)for((rc) = ((&sc->sc_cntl_sq)->tqh_first); (rc) != ( (void *)0); (rc) = ((rc)->rc_entry.tqe_next)) { |
1152 | if (rc->rc_id == id) { |
1153 | TAILQ_REMOVE(&sc->sc_cntl_sq, rc, rc_entry)do { if (((rc)->rc_entry.tqe_next) != ((void *)0)) (rc)-> rc_entry.tqe_next->rc_entry.tqe_prev = (rc)->rc_entry.tqe_prev ; else (&sc->sc_cntl_sq)->tqh_last = (rc)->rc_entry .tqe_prev; *(rc)->rc_entry.tqe_prev = (rc)->rc_entry.tqe_next ; ((rc)->rc_entry.tqe_prev) = ((void *)-1); ((rc)->rc_entry .tqe_next) = ((void *)-1); } while (0); |
1154 | break; |
1155 | } |
1156 | } |
1157 | mtx_leave(&sc->sc_cntl_sqlck); |
1158 | if (rc != NULL((void *)0)) { |
1159 | mtx_enter(&sc->sc_cntl_cqlck); |
1160 | TAILQ_INSERT_TAIL(&sc->sc_cntl_cq, rc, rc_entry)do { (rc)->rc_entry.tqe_next = ((void *)0); (rc)->rc_entry .tqe_prev = (&sc->sc_cntl_cq)->tqh_last; *(&sc-> sc_cntl_cq)->tqh_last = (rc); (&sc->sc_cntl_cq)-> tqh_last = &(rc)->rc_entry.tqe_next; } while (0); |
1161 | mtx_leave(&sc->sc_cntl_cqlck); |
1162 | } |
1163 | return (rc); |
1164 | } |
1165 | |
1166 | static inline void |
1167 | hvn_release_cmd(struct hvn_softc *sc, struct rndis_cmd *rc) |
1168 | { |
1169 | mtx_enter(&sc->sc_cntl_cqlck); |
1170 | TAILQ_REMOVE(&sc->sc_cntl_cq, rc, rc_entry)do { if (((rc)->rc_entry.tqe_next) != ((void *)0)) (rc)-> rc_entry.tqe_next->rc_entry.tqe_prev = (rc)->rc_entry.tqe_prev ; else (&sc->sc_cntl_cq)->tqh_last = (rc)->rc_entry .tqe_prev; *(rc)->rc_entry.tqe_prev = (rc)->rc_entry.tqe_next ; ((rc)->rc_entry.tqe_prev) = ((void *)-1); ((rc)->rc_entry .tqe_next) = ((void *)-1); } while (0); |
1171 | mtx_leave(&sc->sc_cntl_cqlck); |
1172 | } |
1173 | |
1174 | static inline int |
1175 | hvn_rollback_cmd(struct hvn_softc *sc, struct rndis_cmd *rc) |
1176 | { |
1177 | struct rndis_cmd *rn; |
1178 | |
1179 | mtx_enter(&sc->sc_cntl_sqlck); |
1180 | TAILQ_FOREACH(rn, &sc->sc_cntl_sq, rc_entry)for((rn) = ((&sc->sc_cntl_sq)->tqh_first); (rn) != ( (void *)0); (rn) = ((rn)->rc_entry.tqe_next)) { |
1181 | if (rn == rc) { |
1182 | TAILQ_REMOVE(&sc->sc_cntl_sq, rc, rc_entry)do { if (((rc)->rc_entry.tqe_next) != ((void *)0)) (rc)-> rc_entry.tqe_next->rc_entry.tqe_prev = (rc)->rc_entry.tqe_prev ; else (&sc->sc_cntl_sq)->tqh_last = (rc)->rc_entry .tqe_prev; *(rc)->rc_entry.tqe_prev = (rc)->rc_entry.tqe_next ; ((rc)->rc_entry.tqe_prev) = ((void *)-1); ((rc)->rc_entry .tqe_next) = ((void *)-1); } while (0); |
1183 | mtx_leave(&sc->sc_cntl_sqlck); |
1184 | return (0); |
1185 | } |
1186 | } |
1187 | mtx_leave(&sc->sc_cntl_sqlck); |
1188 | return (-1); |
1189 | } |
1190 | |
1191 | static inline void |
1192 | hvn_free_cmd(struct hvn_softc *sc, struct rndis_cmd *rc) |
1193 | { |
1194 | memset(rc->rc_req, 0, sizeof(struct rndis_packet_msg))__builtin_memset((rc->rc_req), (0), (sizeof(struct rndis_packet_msg ))); |
1195 | memset(&rc->rc_cmp, 0, sizeof(rc->rc_cmp))__builtin_memset((&rc->rc_cmp), (0), (sizeof(rc->rc_cmp ))); |
1196 | memset(&rc->rc_msg, 0, sizeof(rc->rc_msg))__builtin_memset((&rc->rc_msg), (0), (sizeof(rc->rc_msg ))); |
1197 | mtx_enter(&sc->sc_cntl_fqlck); |
1198 | TAILQ_INSERT_TAIL(&sc->sc_cntl_fq, rc, rc_entry)do { (rc)->rc_entry.tqe_next = ((void *)0); (rc)->rc_entry .tqe_prev = (&sc->sc_cntl_fq)->tqh_last; *(&sc-> sc_cntl_fq)->tqh_last = (rc); (&sc->sc_cntl_fq)-> tqh_last = &(rc)->rc_entry.tqe_next; } while (0); |
1199 | mtx_leave(&sc->sc_cntl_fqlck); |
1200 | wakeup(&sc->sc_cntl_fq); |
1201 | } |
1202 | |
1203 | int |
1204 | hvn_rndis_attach(struct hvn_softc *sc) |
1205 | { |
1206 | struct rndis_init_req *req; |
1207 | struct rndis_init_comp *cmp; |
1208 | struct rndis_cmd *rc; |
1209 | int i, rv; |
1210 | |
1211 | /* RNDIS control message queues */ |
1212 | TAILQ_INIT(&sc->sc_cntl_sq)do { (&sc->sc_cntl_sq)->tqh_first = ((void *)0); (& sc->sc_cntl_sq)->tqh_last = &(&sc->sc_cntl_sq )->tqh_first; } while (0); |
1213 | TAILQ_INIT(&sc->sc_cntl_cq)do { (&sc->sc_cntl_cq)->tqh_first = ((void *)0); (& sc->sc_cntl_cq)->tqh_last = &(&sc->sc_cntl_cq )->tqh_first; } while (0); |
1214 | TAILQ_INIT(&sc->sc_cntl_fq)do { (&sc->sc_cntl_fq)->tqh_first = ((void *)0); (& sc->sc_cntl_fq)->tqh_last = &(&sc->sc_cntl_fq )->tqh_first; } while (0); |
1215 | mtx_init(&sc->sc_cntl_sqlck, IPL_NET)do { (void)(((void *)0)); (void)(0); __mtx_init((&sc-> sc_cntl_sqlck), ((((0x4)) > 0x0 && ((0x4)) < 0x9 ) ? 0x9 : ((0x4)))); } while (0); |
1216 | mtx_init(&sc->sc_cntl_cqlck, IPL_NET)do { (void)(((void *)0)); (void)(0); __mtx_init((&sc-> sc_cntl_cqlck), ((((0x4)) > 0x0 && ((0x4)) < 0x9 ) ? 0x9 : ((0x4)))); } while (0); |
1217 | mtx_init(&sc->sc_cntl_fqlck, IPL_NET)do { (void)(((void *)0)); (void)(0); __mtx_init((&sc-> sc_cntl_fqlck), ((((0x4)) > 0x0 && ((0x4)) < 0x9 ) ? 0x9 : ((0x4)))); } while (0); |
1218 | |
1219 | for (i = 0; i < HVN_RNDIS_CTLREQS4; i++) { |
1220 | rc = &sc->sc_cntl_msgs[i]; |
1221 | if (bus_dmamap_create(sc->sc_dmat, PAGE_SIZE, 1,(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((1 << 12)), (1), ((1 << 12)), (0), (0x0000), (&rc->rc_dmap )) |
1222 | PAGE_SIZE, 0, BUS_DMA_WAITOK, &rc->rc_dmap)(*(sc->sc_dmat)->_dmamap_create)((sc->sc_dmat), ((1 << 12)), (1), ((1 << 12)), (0), (0x0000), (&rc->rc_dmap ))) { |
1223 | DPRINTF("%s: failed to create RNDIS command map\n", |
1224 | sc->sc_dev.dv_xname); |
1225 | goto errout; |
1226 | } |
1227 | if (bus_dmamem_alloc(sc->sc_dmat, PAGE_SIZE, PAGE_SIZE,(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), ((1 << 12)), ((1 << 12)), (0), (&rc->rc_segs), (1), (& rc->rc_nsegs), (0x0001 | 0x1000)) |
1228 | 0, &rc->rc_segs, 1, &rc->rc_nsegs, BUS_DMA_NOWAIT |(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), ((1 << 12)), ((1 << 12)), (0), (&rc->rc_segs), (1), (& rc->rc_nsegs), (0x0001 | 0x1000)) |
1229 | BUS_DMA_ZERO)(*(sc->sc_dmat)->_dmamem_alloc)((sc->sc_dmat), ((1 << 12)), ((1 << 12)), (0), (&rc->rc_segs), (1), (& rc->rc_nsegs), (0x0001 | 0x1000))) { |
1230 | DPRINTF("%s: failed to allocate RNDIS command\n", |
1231 | sc->sc_dev.dv_xname); |
1232 | bus_dmamap_destroy(sc->sc_dmat, rc->rc_dmap)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (rc ->rc_dmap)); |
1233 | goto errout; |
1234 | } |
1235 | if (bus_dmamem_map(sc->sc_dmat, &rc->rc_segs, rc->rc_nsegs,(*(sc->sc_dmat)->_dmamem_map)((sc->sc_dmat), (&rc ->rc_segs), (rc->rc_nsegs), ((1 << 12)), ((caddr_t *)&rc->rc_req), (0x0001)) |
1236 | PAGE_SIZE, (caddr_t *)&rc->rc_req, BUS_DMA_NOWAIT)(*(sc->sc_dmat)->_dmamem_map)((sc->sc_dmat), (&rc ->rc_segs), (rc->rc_nsegs), ((1 << 12)), ((caddr_t *)&rc->rc_req), (0x0001))) { |
1237 | DPRINTF("%s: failed to allocate RNDIS command\n", |
1238 | sc->sc_dev.dv_xname); |
1239 | bus_dmamem_free(sc->sc_dmat, &rc->rc_segs,(*(sc->sc_dmat)->_dmamem_free)((sc->sc_dmat), (& rc->rc_segs), (rc->rc_nsegs)) |
1240 | rc->rc_nsegs)(*(sc->sc_dmat)->_dmamem_free)((sc->sc_dmat), (& rc->rc_segs), (rc->rc_nsegs)); |
1241 | bus_dmamap_destroy(sc->sc_dmat, rc->rc_dmap)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (rc ->rc_dmap)); |
1242 | goto errout; |
1243 | } |
1244 | if (bus_dmamap_load(sc->sc_dmat, rc->rc_dmap, rc->rc_req,(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (rc-> rc_dmap), (rc->rc_req), ((1 << 12)), (((void *)0)), ( 0x0000)) |
1245 | PAGE_SIZE, NULL, BUS_DMA_WAITOK)(*(sc->sc_dmat)->_dmamap_load)((sc->sc_dmat), (rc-> rc_dmap), (rc->rc_req), ((1 << 12)), (((void *)0)), ( 0x0000))) { |
1246 | DPRINTF("%s: failed to load RNDIS command map\n", |
1247 | sc->sc_dev.dv_xname); |
1248 | bus_dmamem_free(sc->sc_dmat, &rc->rc_segs,(*(sc->sc_dmat)->_dmamem_free)((sc->sc_dmat), (& rc->rc_segs), (rc->rc_nsegs)) |
1249 | rc->rc_nsegs)(*(sc->sc_dmat)->_dmamem_free)((sc->sc_dmat), (& rc->rc_segs), (rc->rc_nsegs)); |
1250 | bus_dmamap_destroy(sc->sc_dmat, rc->rc_dmap)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (rc ->rc_dmap)); |
1251 | goto errout; |
1252 | } |
1253 | rc->rc_gpa = atop(rc->rc_dmap->dm_segs[0].ds_addr)((rc->rc_dmap->dm_segs[0].ds_addr) >> 12); |
1254 | TAILQ_INSERT_TAIL(&sc->sc_cntl_fq, rc, rc_entry)do { (rc)->rc_entry.tqe_next = ((void *)0); (rc)->rc_entry .tqe_prev = (&sc->sc_cntl_fq)->tqh_last; *(&sc-> sc_cntl_fq)->tqh_last = (rc); (&sc->sc_cntl_fq)-> tqh_last = &(rc)->rc_entry.tqe_next; } while (0); |
1255 | } |
1256 | |
1257 | rc = hvn_alloc_cmd(sc); |
1258 | |
1259 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x01)) |
1260 | BUS_DMASYNC_PREREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x01)); |
1261 | |
1262 | rc->rc_id = atomic_inc_int_nv(&sc->sc_rndisrid)_atomic_add_int_nv((&sc->sc_rndisrid), 1); |
1263 | |
1264 | req = rc->rc_req; |
1265 | req->rm_type = REMOTE_NDIS_INITIALIZE_MSG0x00000002; |
1266 | req->rm_len = sizeof(*req); |
1267 | req->rm_rid = rc->rc_id; |
1268 | req->rm_ver_major = RNDIS_VERSION_MAJOR0x00000001; |
1269 | req->rm_ver_minor = RNDIS_VERSION_MINOR0x00000000; |
1270 | req->rm_max_xfersz = HVN_RNDIS_XFER_SIZE2048; |
1271 | |
1272 | rc->rc_cmplen = sizeof(*cmp); |
1273 | |
1274 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x04)) |
1275 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x04)); |
1276 | |
1277 | if ((rv = hvn_rndis_cmd(sc, rc, 500)) != 0) { |
Although the value stored to 'rv' is used in the enclosing expression, the value is never actually read from 'rv' | |
1278 | DPRINTF("%s: INITIALIZE_MSG failed, error %d\n", |
1279 | sc->sc_dev.dv_xname, rv); |
1280 | hvn_free_cmd(sc, rc); |
1281 | goto errout; |
1282 | } |
1283 | cmp = (struct rndis_init_comp *)&rc->rc_cmp; |
1284 | if (cmp->rm_status != RNDIS_STATUS_SUCCESS0x00000000L) { |
1285 | DPRINTF("%s: failed to init RNDIS, error %#x\n", |
1286 | sc->sc_dev.dv_xname, cmp->rm_status); |
1287 | hvn_free_cmd(sc, rc); |
1288 | goto errout; |
1289 | } |
1290 | |
1291 | hvn_free_cmd(sc, rc); |
1292 | |
1293 | /* Initialize RNDIS Data command */ |
1294 | memset(&sc->sc_data_msg, 0, sizeof(sc->sc_data_msg))__builtin_memset((&sc->sc_data_msg), (0), (sizeof(sc-> sc_data_msg))); |
1295 | sc->sc_data_msg.nvs_type = HVN_NVS_TYPE_RNDIS107; |
1296 | sc->sc_data_msg.nvs_rndis_mtype = HVN_NVS_RNDIS_MTYPE_DATA0; |
1297 | sc->sc_data_msg.nvs_chim_idx = HVN_NVS_CHIM_IDX_INVALID0xffffffff; |
1298 | |
1299 | return (0); |
1300 | |
1301 | errout: |
1302 | for (i = 0; i < HVN_RNDIS_CTLREQS4; i++) { |
1303 | rc = &sc->sc_cntl_msgs[i]; |
1304 | if (rc->rc_req == NULL((void *)0)) |
1305 | continue; |
1306 | TAILQ_REMOVE(&sc->sc_cntl_fq, rc, rc_entry)do { if (((rc)->rc_entry.tqe_next) != ((void *)0)) (rc)-> rc_entry.tqe_next->rc_entry.tqe_prev = (rc)->rc_entry.tqe_prev ; else (&sc->sc_cntl_fq)->tqh_last = (rc)->rc_entry .tqe_prev; *(rc)->rc_entry.tqe_prev = (rc)->rc_entry.tqe_next ; ((rc)->rc_entry.tqe_prev) = ((void *)-1); ((rc)->rc_entry .tqe_next) = ((void *)-1); } while (0); |
1307 | bus_dmamem_free(sc->sc_dmat, &rc->rc_segs, rc->rc_nsegs)(*(sc->sc_dmat)->_dmamem_free)((sc->sc_dmat), (& rc->rc_segs), (rc->rc_nsegs)); |
1308 | rc->rc_req = NULL((void *)0); |
1309 | bus_dmamap_destroy(sc->sc_dmat, rc->rc_dmap)(*(sc->sc_dmat)->_dmamap_destroy)((sc->sc_dmat), (rc ->rc_dmap)); |
1310 | } |
1311 | return (-1); |
1312 | } |
1313 | |
1314 | int |
1315 | hvn_set_capabilities(struct hvn_softc *sc) |
1316 | { |
1317 | struct ndis_offload_params params; |
1318 | size_t len = sizeof(params); |
1319 | |
1320 | memset(¶ms, 0, sizeof(params))__builtin_memset((¶ms), (0), (sizeof(params))); |
1321 | |
1322 | params.ndis_hdr.ndis_type = NDIS_OBJTYPE_DEFAULT0x80; |
1323 | if (sc->sc_ndisver < NDIS_VERSION_6_300x0006001e) { |
1324 | params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_22; |
1325 | len = params.ndis_hdr.ndis_size = NDIS_OFFLOAD_PARAMS_SIZE_6_1__builtin_offsetof(struct ndis_offload_params, ndis_rsc_ip4); |
1326 | } else { |
1327 | params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_33; |
1328 | len = params.ndis_hdr.ndis_size = NDIS_OFFLOAD_PARAMS_SIZEsizeof(struct ndis_offload_params); |
1329 | } |
1330 | |
1331 | params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TXRX4; |
1332 | params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TXRX4; |
1333 | params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TXRX4; |
1334 | if (sc->sc_ndisver >= NDIS_VERSION_6_300x0006001e) { |
1335 | params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TXRX4; |
1336 | params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TXRX4; |
1337 | } |
1338 | |
1339 | return (hvn_rndis_set(sc, OID_TCP_OFFLOAD_PARAMETERS0xFC01020C, ¶ms, len)); |
1340 | } |
1341 | |
1342 | int |
1343 | hvn_rndis_cmd(struct hvn_softc *sc, struct rndis_cmd *rc, int timo) |
1344 | { |
1345 | struct hvn_nvs_rndis *msg = &rc->rc_msg; |
1346 | struct rndis_msghdr *hdr = rc->rc_req; |
1347 | struct vmbus_gpa sgl[1]; |
1348 | int tries = 10; |
1349 | int rv, s; |
1350 | |
1351 | KERNEL_ASSERT_LOCKED()((_kernel_lock_held()) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/pv/if_hvn.c" , 1351, "_kernel_lock_held()")); |
1352 | |
1353 | KASSERT(timo > 0)((timo > 0) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/pv/if_hvn.c" , 1353, "timo > 0")); |
1354 | |
1355 | msg->nvs_type = HVN_NVS_TYPE_RNDIS107; |
1356 | msg->nvs_rndis_mtype = HVN_NVS_RNDIS_MTYPE_CTRL1; |
1357 | msg->nvs_chim_idx = HVN_NVS_CHIM_IDX_INVALID0xffffffff; |
1358 | |
1359 | sgl[0].gpa_page = rc->rc_gpa; |
1360 | sgl[0].gpa_len = hdr->rm_len; |
1361 | sgl[0].gpa_ofs = 0; |
1362 | |
1363 | rc->rc_done = 0; |
1364 | |
1365 | hvn_submit_cmd(sc, rc); |
1366 | |
1367 | do { |
1368 | rv = hv_channel_send_sgl(sc->sc_chan, sgl, 1, &rc->rc_msg, |
1369 | sizeof(*msg), rc->rc_id); |
1370 | if (rv == EAGAIN35) { |
1371 | if (cold) |
1372 | delay(100)(*delay_func)(100); |
1373 | else { |
1374 | tsleep_nsec(rc, PRIBIO16, "rndisout", |
1375 | USEC_TO_NSEC(100)); |
1376 | } |
1377 | } else if (rv) { |
1378 | DPRINTF("%s: RNDIS operation %u send error %d\n", |
1379 | sc->sc_dev.dv_xname, hdr->rm_type, rv); |
1380 | hvn_rollback_cmd(sc, rc); |
1381 | return (rv); |
1382 | } |
1383 | } while (rv != 0 && --tries > 0); |
1384 | |
1385 | if (tries == 0 && rv != 0) { |
1386 | printf("%s: RNDIS operation %u send error %d\n", |
1387 | sc->sc_dev.dv_xname, hdr->rm_type, rv); |
1388 | return (rv); |
1389 | } |
1390 | |
1391 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x08)) |
1392 | BUS_DMASYNC_POSTWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x08)); |
1393 | |
1394 | do { |
1395 | if (cold) |
1396 | delay(1000)(*delay_func)(1000); |
1397 | else { |
1398 | tsleep_nsec(rc, PRIBIO16 | PCATCH0x100, "rndiscmd", |
1399 | USEC_TO_NSEC(1000)); |
1400 | } |
1401 | s = splnet()splraise(0x4); |
1402 | hvn_nvs_intr(sc); |
1403 | splx(s)spllower(s); |
1404 | } while (--timo > 0 && rc->rc_done != 1); |
1405 | |
1406 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x02)) |
1407 | BUS_DMASYNC_POSTREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x02)); |
1408 | |
1409 | if (rc->rc_done != 1) { |
1410 | rv = timo == 0 ? ETIMEDOUT60 : EINTR4; |
1411 | if (hvn_rollback_cmd(sc, rc)) { |
1412 | hvn_release_cmd(sc, rc); |
1413 | rv = 0; |
1414 | } else if (rv == ETIMEDOUT60) { |
1415 | printf("%s: RNDIS operation %u timed out\n", |
1416 | sc->sc_dev.dv_xname, hdr->rm_type); |
1417 | } |
1418 | return (rv); |
1419 | } |
1420 | |
1421 | hvn_release_cmd(sc, rc); |
1422 | return (0); |
1423 | } |
1424 | |
1425 | void |
1426 | hvn_rndis_input(struct hvn_softc *sc, uint64_t tid, void *arg) |
1427 | { |
1428 | struct ifnet *ifp = &sc->sc_ac.ac_if; |
1429 | struct mbuf_list ml = MBUF_LIST_INITIALIZER(){ ((void *)0), ((void *)0), 0 }; |
1430 | struct vmbus_chanpkt_prplist *cp = arg; |
1431 | uint32_t off, len, type; |
1432 | int i; |
1433 | |
1434 | if (sc->sc_rx_ring == NULL((void *)0)) { |
1435 | DPRINTF("%s: invalid rx ring\n", sc->sc_dev.dv_xname); |
1436 | return; |
1437 | } |
1438 | for (i = 0; i < cp->cp_range_cnt; i++) { |
1439 | off = cp->cp_range[i].gpa_ofs; |
1440 | len = cp->cp_range[i].gpa_len; |
1441 | |
1442 | KASSERT(off + len <= sc->sc_rx_size)((off + len <= sc->sc_rx_size) ? (void)0 : __assert("diagnostic " , "/usr/src/sys/dev/pv/if_hvn.c", 1442, "off + len <= sc->sc_rx_size" )); |
1443 | KASSERT(len >= RNDIS_HEADER_OFFSET + 4)((len >= (sizeof(struct rndis_msghdr)) + 4) ? (void)0 : __assert ("diagnostic ", "/usr/src/sys/dev/pv/if_hvn.c", 1443, "len >= RNDIS_HEADER_OFFSET + 4" )); |
1444 | |
1445 | memcpy(&type, (caddr_t)sc->sc_rx_ring + off, sizeof(type))__builtin_memcpy((&type), ((caddr_t)sc->sc_rx_ring + off ), (sizeof(type))); |
1446 | switch (type) { |
1447 | /* data message */ |
1448 | case REMOTE_NDIS_PACKET_MSG0x00000001: |
1449 | hvn_rxeof(sc, (caddr_t)sc->sc_rx_ring + |
1450 | off, len, &ml); |
1451 | break; |
1452 | /* completion messages */ |
1453 | case REMOTE_NDIS_INITIALIZE_CMPLT0x80000002: |
1454 | case REMOTE_NDIS_QUERY_CMPLT0x80000004: |
1455 | case REMOTE_NDIS_SET_CMPLT0x80000005: |
1456 | case REMOTE_NDIS_RESET_CMPLT0x80000006: |
1457 | case REMOTE_NDIS_KEEPALIVE_CMPLT0x80000008: |
1458 | hvn_rndis_complete(sc, (caddr_t)sc->sc_rx_ring + |
1459 | off, len); |
1460 | break; |
1461 | /* notification message */ |
1462 | case REMOTE_NDIS_INDICATE_STATUS_MSG0x00000007: |
1463 | hvn_rndis_status(sc, (caddr_t)sc->sc_rx_ring + |
1464 | off, len); |
1465 | break; |
1466 | default: |
1467 | printf("%s: unhandled RNDIS message type %u\n", |
1468 | sc->sc_dev.dv_xname, type); |
1469 | } |
1470 | } |
1471 | hvn_nvs_ack(sc, tid); |
1472 | |
1473 | if (ifp->if_flags & IFF_RUNNING0x40) |
1474 | if_input(ifp, &ml); |
1475 | else |
1476 | ml_purge(&ml); |
1477 | } |
1478 | |
1479 | static inline struct mbuf * |
1480 | hvn_devget(struct hvn_softc *sc, caddr_t buf, uint32_t len) |
1481 | { |
1482 | struct mbuf *m; |
1483 | |
1484 | if (len + ETHER_ALIGN2 <= MHLEN((256 - sizeof(struct m_hdr)) - sizeof(struct pkthdr))) |
1485 | MGETHDR(m, M_NOWAIT, MT_DATA)m = m_gethdr((0x0002), (1)); |
1486 | else |
1487 | m = MCLGETL(NULL, M_NOWAIT, len + ETHER_ALIGN)m_clget((((void *)0)), (0x0002), (len + 2)); |
1488 | if (m == NULL((void *)0)) |
1489 | return (NULL((void *)0)); |
1490 | m->m_lenm_hdr.mh_len = m->m_pkthdrM_dat.MH.MH_pkthdr.len = len; |
1491 | m_adj(m, ETHER_ALIGN2); |
1492 | |
1493 | if (m_copyback(m, 0, len, buf, M_NOWAIT0x0002)) { |
1494 | m_freem(m); |
1495 | return (NULL((void *)0)); |
1496 | } |
1497 | |
1498 | return (m); |
1499 | } |
1500 | |
1501 | void |
1502 | hvn_rxeof(struct hvn_softc *sc, caddr_t buf, uint32_t len, struct mbuf_list *ml) |
1503 | { |
1504 | struct ifnet *ifp = &sc->sc_ac.ac_if; |
1505 | struct rndis_packet_msg *pkt; |
1506 | struct rndis_pktinfo *pi; |
1507 | uint32_t csum, vlan; |
1508 | struct mbuf *m; |
1509 | |
1510 | if (!(ifp->if_flags & IFF_RUNNING0x40)) |
1511 | return; |
1512 | |
1513 | if (len < sizeof(*pkt)) { |
1514 | printf("%s: data packet too short: %u\n", |
1515 | sc->sc_dev.dv_xname, len); |
1516 | return; |
1517 | } |
1518 | |
1519 | pkt = (struct rndis_packet_msg *)buf; |
1520 | |
1521 | if (pkt->rm_dataoffset + pkt->rm_datalen > len) { |
1522 | printf("%s: data packet out of bounds: %u@%u\n", |
1523 | sc->sc_dev.dv_xname, pkt->rm_dataoffset, pkt->rm_datalen); |
1524 | return; |
1525 | } |
1526 | |
1527 | if ((m = hvn_devget(sc, buf + RNDIS_HEADER_OFFSET(sizeof(struct rndis_msghdr)) + pkt->rm_dataoffset, |
1528 | pkt->rm_datalen)) == NULL((void *)0)) { |
1529 | ifp->if_ierrorsif_data.ifi_ierrors++; |
1530 | return; |
1531 | } |
1532 | |
1533 | if (pkt->rm_pktinfooffset + pkt->rm_pktinfolen > len) { |
1534 | printf("%s: pktinfo is out of bounds: %u@%u vs %u\n", |
1535 | sc->sc_dev.dv_xname, pkt->rm_pktinfolen, |
1536 | pkt->rm_pktinfooffset, len); |
1537 | goto done; |
1538 | } |
1539 | pi = (struct rndis_pktinfo *)((caddr_t)pkt + RNDIS_HEADER_OFFSET(sizeof(struct rndis_msghdr)) + |
1540 | pkt->rm_pktinfooffset); |
1541 | while (pkt->rm_pktinfolen > 0) { |
1542 | if (pi->rm_size > pkt->rm_pktinfolen) { |
1543 | printf("%s: invalid pktinfo size: %u/%u\n", |
1544 | sc->sc_dev.dv_xname, pi->rm_size, |
1545 | pkt->rm_pktinfolen); |
1546 | break; |
1547 | } |
1548 | switch (pi->rm_type) { |
1549 | case NDIS_PKTINFO_TYPE_CSUM0: |
1550 | memcpy(&csum, pi->rm_data, sizeof(csum))__builtin_memcpy((&csum), (pi->rm_data), (sizeof(csum) )); |
1551 | if (csum & NDIS_RXCSUM_INFO_IPCS_OK0x0020) |
1552 | m->m_pkthdrM_dat.MH.MH_pkthdr.csum_flags |= M_IPV4_CSUM_IN_OK0x0008; |
1553 | if (csum & NDIS_RXCSUM_INFO_TCPCS_OK0x0008) |
1554 | m->m_pkthdrM_dat.MH.MH_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK0x0020; |
1555 | if (csum & NDIS_RXCSUM_INFO_UDPCS_OK0x0010) |
1556 | m->m_pkthdrM_dat.MH.MH_pkthdr.csum_flags |= M_UDP_CSUM_IN_OK0x0080; |
1557 | break; |
1558 | case NDIS_PKTINFO_TYPE_VLAN6: |
1559 | memcpy(&vlan, pi->rm_data, sizeof(vlan))__builtin_memcpy((&vlan), (pi->rm_data), (sizeof(vlan) )); |
1560 | #if NVLAN1 > 0 |
1561 | if (vlan != 0xffffffff) { |
1562 | m->m_pkthdrM_dat.MH.MH_pkthdr.ether_vtag = |
1563 | NDIS_VLAN_INFO_ID(vlan)(((vlan) & 0xfff0) >> 4) | |
1564 | (NDIS_VLAN_INFO_PRI(vlan)( (vlan) & 0x0007) << EVL_PRIO_BITS13); |
1565 | m->m_flagsm_hdr.mh_flags |= M_VLANTAG0x0020; |
1566 | } |
1567 | #endif |
1568 | break; |
1569 | default: |
1570 | DPRINTF("%s: unhandled pktinfo type %u\n", |
1571 | sc->sc_dev.dv_xname, pi->rm_type); |
1572 | } |
1573 | pkt->rm_pktinfolen -= pi->rm_size; |
1574 | pi = (struct rndis_pktinfo *)((caddr_t)pi + pi->rm_size); |
1575 | } |
1576 | |
1577 | done: |
1578 | ml_enqueue(ml, m); |
1579 | } |
1580 | |
1581 | void |
1582 | hvn_rndis_complete(struct hvn_softc *sc, caddr_t buf, uint32_t len) |
1583 | { |
1584 | struct rndis_cmd *rc; |
1585 | uint32_t id; |
1586 | |
1587 | memcpy(&id, buf + RNDIS_HEADER_OFFSET, sizeof(id))__builtin_memcpy((&id), (buf + (sizeof(struct rndis_msghdr ))), (sizeof(id))); |
1588 | if ((rc = hvn_complete_cmd(sc, id)) != NULL((void *)0)) { |
1589 | if (len < rc->rc_cmplen) |
1590 | printf("%s: RNDIS response %u too short: %u\n", |
1591 | sc->sc_dev.dv_xname, id, len); |
1592 | else |
1593 | memcpy(&rc->rc_cmp, buf, rc->rc_cmplen)__builtin_memcpy((&rc->rc_cmp), (buf), (rc->rc_cmplen )); |
1594 | if (len > rc->rc_cmplen && |
1595 | len - rc->rc_cmplen > HVN_RNDIS_BUFSIZE512) |
1596 | printf("%s: RNDIS response %u too large: %u\n", |
1597 | sc->sc_dev.dv_xname, id, len); |
1598 | else if (len > rc->rc_cmplen) |
1599 | memcpy(&rc->rc_cmpbuf, buf + rc->rc_cmplen,__builtin_memcpy((&rc->rc_cmpbuf), (buf + rc->rc_cmplen ), (len - rc->rc_cmplen)) |
1600 | len - rc->rc_cmplen)__builtin_memcpy((&rc->rc_cmpbuf), (buf + rc->rc_cmplen ), (len - rc->rc_cmplen)); |
1601 | rc->rc_done = 1; |
1602 | wakeup_one(rc)wakeup_n((rc), 1); |
1603 | } else |
1604 | DPRINTF("%s: failed to complete RNDIS request id %u\n", |
1605 | sc->sc_dev.dv_xname, id); |
1606 | } |
1607 | |
1608 | int |
1609 | hvn_rndis_output(struct hvn_softc *sc, struct hvn_tx_desc *txd) |
1610 | { |
1611 | uint64_t rid = (uint64_t)txd->txd_id << 32; |
1612 | int rv; |
1613 | |
1614 | rv = hv_channel_send_sgl(sc->sc_chan, txd->txd_sgl, txd->txd_nsge, |
1615 | &sc->sc_data_msg, sizeof(sc->sc_data_msg), rid); |
1616 | if (rv) { |
1617 | DPRINTF("%s: RNDIS data send error %d\n", |
1618 | sc->sc_dev.dv_xname, rv); |
1619 | return (rv); |
1620 | } |
1621 | |
1622 | return (0); |
1623 | } |
1624 | |
1625 | void |
1626 | hvn_rndis_status(struct hvn_softc *sc, caddr_t buf, uint32_t len) |
1627 | { |
1628 | uint32_t status; |
1629 | |
1630 | memcpy(&status, buf + RNDIS_HEADER_OFFSET, sizeof(status))__builtin_memcpy((&status), (buf + (sizeof(struct rndis_msghdr ))), (sizeof(status))); |
1631 | switch (status) { |
1632 | case RNDIS_STATUS_MEDIA_CONNECT0x4001000BL: |
1633 | sc->sc_link_state = LINK_STATE_UP4; |
1634 | break; |
1635 | case RNDIS_STATUS_MEDIA_DISCONNECT0x4001000CL: |
1636 | sc->sc_link_state = LINK_STATE_DOWN2; |
1637 | break; |
1638 | /* Ignore these */ |
1639 | case RNDIS_STATUS_OFFLOAD_CURRENT_CONFIG0x40020006: |
1640 | return; |
1641 | default: |
1642 | DPRINTF("%s: unhandled status %#x\n", sc->sc_dev.dv_xname, |
1643 | status); |
1644 | return; |
1645 | } |
1646 | KERNEL_LOCK()_kernel_lock(); |
1647 | hvn_link_status(sc); |
1648 | KERNEL_UNLOCK()_kernel_unlock(); |
1649 | } |
1650 | |
1651 | int |
1652 | hvn_rndis_query(struct hvn_softc *sc, uint32_t oid, void *res, size_t *length) |
1653 | { |
1654 | struct rndis_cmd *rc; |
1655 | struct rndis_query_req *req; |
1656 | struct rndis_query_comp *cmp; |
1657 | size_t olength = *length; |
1658 | int rv; |
1659 | |
1660 | rc = hvn_alloc_cmd(sc); |
1661 | |
1662 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x01)) |
1663 | BUS_DMASYNC_PREREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x01)); |
1664 | |
1665 | rc->rc_id = atomic_inc_int_nv(&sc->sc_rndisrid)_atomic_add_int_nv((&sc->sc_rndisrid), 1); |
1666 | |
1667 | req = rc->rc_req; |
1668 | req->rm_type = REMOTE_NDIS_QUERY_MSG0x00000004; |
1669 | req->rm_len = sizeof(*req); |
1670 | req->rm_rid = rc->rc_id; |
1671 | req->rm_oid = oid; |
1672 | req->rm_infobufoffset = sizeof(*req) - RNDIS_HEADER_OFFSET(sizeof(struct rndis_msghdr)); |
1673 | |
1674 | rc->rc_cmplen = sizeof(*cmp); |
1675 | |
1676 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x04)) |
1677 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x04)); |
1678 | |
1679 | if ((rv = hvn_rndis_cmd(sc, rc, 500)) != 0) { |
1680 | DPRINTF("%s: QUERY_MSG failed, error %d\n", |
1681 | sc->sc_dev.dv_xname, rv); |
1682 | hvn_free_cmd(sc, rc); |
1683 | return (rv); |
1684 | } |
1685 | |
1686 | cmp = (struct rndis_query_comp *)&rc->rc_cmp; |
1687 | switch (cmp->rm_status) { |
1688 | case RNDIS_STATUS_SUCCESS0x00000000L: |
1689 | if (cmp->rm_infobuflen > olength) { |
1690 | rv = EINVAL22; |
1691 | break; |
1692 | } |
1693 | memcpy(res, rc->rc_cmpbuf, cmp->rm_infobuflen)__builtin_memcpy((res), (rc->rc_cmpbuf), (cmp->rm_infobuflen )); |
1694 | *length = cmp->rm_infobuflen; |
1695 | break; |
1696 | default: |
1697 | *length = 0; |
1698 | rv = EIO5; |
1699 | } |
1700 | |
1701 | hvn_free_cmd(sc, rc); |
1702 | |
1703 | return (rv); |
1704 | } |
1705 | |
1706 | int |
1707 | hvn_rndis_set(struct hvn_softc *sc, uint32_t oid, void *data, size_t length) |
1708 | { |
1709 | struct rndis_cmd *rc; |
1710 | struct rndis_set_req *req; |
1711 | struct rndis_set_comp *cmp; |
1712 | int rv; |
1713 | |
1714 | rc = hvn_alloc_cmd(sc); |
1715 | |
1716 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x01)) |
1717 | BUS_DMASYNC_PREREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x01)); |
1718 | |
1719 | rc->rc_id = atomic_inc_int_nv(&sc->sc_rndisrid)_atomic_add_int_nv((&sc->sc_rndisrid), 1); |
1720 | |
1721 | req = rc->rc_req; |
1722 | req->rm_type = REMOTE_NDIS_SET_MSG0x00000005; |
1723 | req->rm_len = sizeof(*req) + length; |
1724 | req->rm_rid = rc->rc_id; |
1725 | req->rm_oid = oid; |
1726 | req->rm_infobufoffset = sizeof(*req) - RNDIS_HEADER_OFFSET(sizeof(struct rndis_msghdr)); |
1727 | |
1728 | rc->rc_cmplen = sizeof(*cmp); |
1729 | |
1730 | if (length > 0) { |
1731 | KASSERT(sizeof(*req) + length < PAGE_SIZE)((sizeof(*req) + length < (1 << 12)) ? (void)0 : __assert ("diagnostic ", "/usr/src/sys/dev/pv/if_hvn.c", 1731, "sizeof(*req) + length < PAGE_SIZE" )); |
1732 | req->rm_infobuflen = length; |
1733 | memcpy((caddr_t)(req + 1), data, length)__builtin_memcpy(((caddr_t)(req + 1)), (data), (length)); |
1734 | } |
1735 | |
1736 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x04)) |
1737 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x04)); |
1738 | |
1739 | if ((rv = hvn_rndis_cmd(sc, rc, 500)) != 0) { |
1740 | DPRINTF("%s: SET_MSG failed, error %d\n", |
1741 | sc->sc_dev.dv_xname, rv); |
1742 | hvn_free_cmd(sc, rc); |
1743 | return (rv); |
1744 | } |
1745 | |
1746 | cmp = (struct rndis_set_comp *)&rc->rc_cmp; |
1747 | if (cmp->rm_status != RNDIS_STATUS_SUCCESS0x00000000L) |
1748 | rv = EIO5; |
1749 | |
1750 | hvn_free_cmd(sc, rc); |
1751 | |
1752 | return (rv); |
1753 | } |
1754 | |
1755 | int |
1756 | hvn_rndis_close(struct hvn_softc *sc) |
1757 | { |
1758 | uint32_t filter = 0; |
1759 | int rv; |
1760 | |
1761 | rv = hvn_rndis_set(sc, OID_GEN_CURRENT_PACKET_FILTER0x0001010E, |
1762 | &filter, sizeof(filter)); |
1763 | if (rv) |
1764 | DPRINTF("%s: failed to clear RNDIS filter\n", |
1765 | sc->sc_dev.dv_xname); |
1766 | return (rv); |
1767 | } |
1768 | |
1769 | void |
1770 | hvn_rndis_detach(struct hvn_softc *sc) |
1771 | { |
1772 | struct rndis_cmd *rc; |
1773 | struct rndis_halt_req *req; |
1774 | int rv; |
1775 | |
1776 | rc = hvn_alloc_cmd(sc); |
1777 | |
1778 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x01)) |
1779 | BUS_DMASYNC_PREREAD)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x01)); |
1780 | |
1781 | rc->rc_id = atomic_inc_int_nv(&sc->sc_rndisrid)_atomic_add_int_nv((&sc->sc_rndisrid), 1); |
1782 | |
1783 | req = rc->rc_req; |
1784 | req->rm_type = REMOTE_NDIS_HALT_MSG0x00000003; |
1785 | req->rm_len = sizeof(*req); |
1786 | req->rm_rid = rc->rc_id; |
1787 | |
1788 | bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x04)) |
1789 | BUS_DMASYNC_PREWRITE)(*(sc->sc_dmat)->_dmamap_sync)((sc->sc_dmat), (rc-> rc_dmap), (0), ((1 << 12)), (0x04)); |
1790 | |
1791 | if ((rv = hvn_rndis_cmd(sc, rc, 500)) != 0) |
1792 | DPRINTF("%s: HALT_MSG failed, error %d\n", |
1793 | sc->sc_dev.dv_xname, rv); |
1794 | |
1795 | hvn_free_cmd(sc, rc); |
1796 | } |