2 * Copyright (c) 2009-2012,2016-2017 Microsoft Corp.
3 * Copyright (c) 2010-2012 Citrix Inc.
4 * Copyright (c) 2012 NetApp Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include "opt_inet6.h"
35 #include <sys/param.h>
36 #include <sys/socket.h>
37 #include <sys/systm.h>
38 #include <sys/taskqueue.h>
40 #include <machine/atomic.h>
42 #include <net/ethernet.h>
44 #include <net/if_arp.h>
45 #include <net/if_var.h>
46 #include <net/if_media.h>
47 #include <net/rndis.h>
49 #include <netinet/in.h>
50 #include <netinet/ip.h>
51 #include <netinet/tcp_lro.h>
53 #include <dev/hyperv/include/hyperv.h>
54 #include <dev/hyperv/include/hyperv_busdma.h>
55 #include <dev/hyperv/include/vmbus.h>
56 #include <dev/hyperv/include/vmbus_xact.h>
58 #include <dev/hyperv/netvsc/ndis.h>
59 #include <dev/hyperv/netvsc/if_hnreg.h>
60 #include <dev/hyperv/netvsc/if_hnvar.h>
61 #include <dev/hyperv/netvsc/hn_nvs.h>
62 #include <dev/hyperv/netvsc/hn_rndis.h>
64 #define HN_RNDIS_RID_COMPAT_MASK 0xffff
65 #define HN_RNDIS_RID_COMPAT_MAX HN_RNDIS_RID_COMPAT_MASK
67 #define HN_RNDIS_XFER_SIZE 2048
69 #define HN_NDIS_TXCSUM_CAP_IP4 \
70 (NDIS_TXCSUM_CAP_IP4 | NDIS_TXCSUM_CAP_IP4OPT)
71 #define HN_NDIS_TXCSUM_CAP_TCP4 \
72 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
73 #define HN_NDIS_TXCSUM_CAP_TCP6 \
74 (NDIS_TXCSUM_CAP_TCP6 | NDIS_TXCSUM_CAP_TCP6OPT | \
75 NDIS_TXCSUM_CAP_IP6EXT)
76 #define HN_NDIS_TXCSUM_CAP_UDP6 \
77 (NDIS_TXCSUM_CAP_UDP6 | NDIS_TXCSUM_CAP_IP6EXT)
78 #define HN_NDIS_LSOV2_CAP_IP6 \
79 (NDIS_LSOV2_CAP_IP6EXT | NDIS_LSOV2_CAP_TCP6OPT)
81 static const void *hn_rndis_xact_exec1(struct hn_softc *,
82 struct vmbus_xact *, size_t,
83 struct hn_nvs_sendctx *, size_t *);
84 static const void *hn_rndis_xact_execute(struct hn_softc *,
85 struct vmbus_xact *, uint32_t, size_t, size_t *,
87 static int hn_rndis_query(struct hn_softc *, uint32_t,
88 const void *, size_t, void *, size_t *);
89 static int hn_rndis_query2(struct hn_softc *, uint32_t,
90 const void *, size_t, void *, size_t *, size_t);
91 static int hn_rndis_set(struct hn_softc *, uint32_t,
92 const void *, size_t);
93 static int hn_rndis_init(struct hn_softc *);
94 static int hn_rndis_halt(struct hn_softc *);
95 static int hn_rndis_conf_offload(struct hn_softc *, int);
96 static int hn_rndis_query_hwcaps(struct hn_softc *,
97 struct ndis_offload *);
99 static __inline uint32_t
100 hn_rndis_rid(struct hn_softc *sc)
105 rid = atomic_fetchadd_int(&sc->hn_rndis_rid, 1);
109 /* Use upper 16 bits for non-compat RNDIS messages. */
110 return ((rid & 0xffff) << 16);
114 hn_rndis_rx_ctrl(struct hn_softc *sc, const void *data, int dlen)
116 const struct rndis_comp_hdr *comp;
117 const struct rndis_msghdr *hdr;
119 KASSERT(dlen >= sizeof(*hdr), ("invalid RNDIS msg\n"));
122 switch (hdr->rm_type) {
123 case REMOTE_NDIS_INITIALIZE_CMPLT:
124 case REMOTE_NDIS_QUERY_CMPLT:
125 case REMOTE_NDIS_SET_CMPLT:
126 case REMOTE_NDIS_KEEPALIVE_CMPLT: /* unused */
127 if (dlen < sizeof(*comp)) {
128 if_printf(sc->hn_ifp, "invalid RNDIS cmplt\n");
133 KASSERT(comp->rm_rid > HN_RNDIS_RID_COMPAT_MAX,
134 ("invalid RNDIS rid 0x%08x\n", comp->rm_rid));
135 vmbus_xact_ctx_wakeup(sc->hn_xact, comp, dlen);
138 case REMOTE_NDIS_RESET_CMPLT:
140 * Reset completed, no rid.
143 * RESET is not issued by hn(4), so this message should
146 if_printf(sc->hn_ifp, "RESET cmplt received\n");
150 if_printf(sc->hn_ifp, "unknown RNDIS msg 0x%x\n",
157 hn_rndis_get_eaddr(struct hn_softc *sc, uint8_t *eaddr)
162 eaddr_len = ETHER_ADDR_LEN;
163 error = hn_rndis_query(sc, OID_802_3_PERMANENT_ADDRESS, NULL, 0,
167 if (eaddr_len != ETHER_ADDR_LEN) {
168 if_printf(sc->hn_ifp, "invalid eaddr len %zu\n", eaddr_len);
175 hn_rndis_get_linkstatus(struct hn_softc *sc, uint32_t *link_status)
180 size = sizeof(*link_status);
181 error = hn_rndis_query(sc, OID_GEN_MEDIA_CONNECT_STATUS, NULL, 0,
185 if (size != sizeof(uint32_t)) {
186 if_printf(sc->hn_ifp, "invalid link status len %zu\n", size);
193 hn_rndis_xact_exec1(struct hn_softc *sc, struct vmbus_xact *xact, size_t reqlen,
194 struct hn_nvs_sendctx *sndc, size_t *comp_len)
196 struct vmbus_gpa gpa[HN_XACT_REQ_PGCNT];
200 KASSERT(reqlen <= HN_XACT_REQ_SIZE && reqlen > 0,
201 ("invalid request length %zu", reqlen));
206 paddr = vmbus_xact_req_paddr(xact);
207 KASSERT((paddr & PAGE_MASK) == 0,
208 ("vmbus xact request is not page aligned 0x%jx", (uintmax_t)paddr));
209 for (gpa_cnt = 0; gpa_cnt < HN_XACT_REQ_PGCNT; ++gpa_cnt) {
217 gpa[gpa_cnt].gpa_page = atop(paddr) + gpa_cnt;
218 gpa[gpa_cnt].gpa_len = len;
219 gpa[gpa_cnt].gpa_ofs = 0;
223 KASSERT(reqlen == 0, ("still have %zu request data left", reqlen));
226 * Send this RNDIS control message and wait for its completion
229 vmbus_xact_activate(xact);
230 error = hn_nvs_send_rndis_ctrl(sc->hn_prichan, sndc, gpa, gpa_cnt);
232 vmbus_xact_deactivate(xact);
233 if_printf(sc->hn_ifp, "RNDIS ctrl send failed: %d\n", error);
236 return (vmbus_chan_xact_wait(sc->hn_prichan, xact, comp_len,
241 hn_rndis_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, uint32_t rid,
242 size_t reqlen, size_t *comp_len0, uint32_t comp_type)
244 const struct rndis_comp_hdr *comp;
245 size_t comp_len, min_complen = *comp_len0;
247 KASSERT(rid > HN_RNDIS_RID_COMPAT_MAX, ("invalid rid %u\n", rid));
248 KASSERT(min_complen >= sizeof(*comp),
249 ("invalid minimum complete len %zu", min_complen));
252 * Execute the xact setup by the caller.
254 comp = hn_rndis_xact_exec1(sc, xact, reqlen, &hn_nvs_sendctx_none,
260 * Check this RNDIS complete message.
262 if (comp_len < min_complen) {
263 if (comp_len >= sizeof(*comp)) {
264 /* rm_status field is valid */
265 if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu, "
266 "status 0x%08x\n", comp_len, comp->rm_status);
268 if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu\n",
273 if (comp->rm_len < min_complen) {
274 if_printf(sc->hn_ifp, "invalid RNDIS comp msglen %u\n",
278 if (comp->rm_type != comp_type) {
279 if_printf(sc->hn_ifp, "unexpected RNDIS comp 0x%08x, "
280 "expect 0x%08x\n", comp->rm_type, comp_type);
283 if (comp->rm_rid != rid) {
284 if_printf(sc->hn_ifp, "RNDIS comp rid mismatch %u, "
285 "expect %u\n", comp->rm_rid, rid);
289 *comp_len0 = comp_len;
294 hn_rndis_query(struct hn_softc *sc, uint32_t oid,
295 const void *idata, size_t idlen, void *odata, size_t *odlen0)
298 return (hn_rndis_query2(sc, oid, idata, idlen, odata, odlen0, *odlen0));
302 hn_rndis_query2(struct hn_softc *sc, uint32_t oid,
303 const void *idata, size_t idlen, void *odata, size_t *odlen0,
306 struct rndis_query_req *req;
307 const struct rndis_query_comp *comp;
308 struct vmbus_xact *xact;
309 size_t reqlen, odlen = *odlen0, comp_len;
313 reqlen = sizeof(*req) + idlen;
314 xact = vmbus_xact_get(sc->hn_xact, reqlen);
316 if_printf(sc->hn_ifp, "no xact for RNDIS query 0x%08x\n", oid);
319 rid = hn_rndis_rid(sc);
320 req = vmbus_xact_req_data(xact);
321 req->rm_type = REMOTE_NDIS_QUERY_MSG;
322 req->rm_len = reqlen;
327 * This is _not_ RNDIS Spec conforming:
328 * "This MUST be set to 0 when there is no input data
329 * associated with the OID."
331 * If this field was set to 0 according to the RNDIS Spec,
332 * Hyper-V would set non-SUCCESS status in the query
335 req->rm_infobufoffset = RNDIS_QUERY_REQ_INFOBUFOFFSET;
338 req->rm_infobuflen = idlen;
339 /* Input data immediately follows RNDIS query. */
340 memcpy(req + 1, idata, idlen);
343 comp_len = sizeof(*comp) + min_odlen;
344 comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
345 REMOTE_NDIS_QUERY_CMPLT);
347 if_printf(sc->hn_ifp, "exec RNDIS query 0x%08x failed\n", oid);
352 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
353 if_printf(sc->hn_ifp, "RNDIS query 0x%08x failed: "
354 "status 0x%08x\n", oid, comp->rm_status);
358 if (comp->rm_infobuflen == 0 || comp->rm_infobufoffset == 0) {
359 /* No output data! */
360 if_printf(sc->hn_ifp, "RNDIS query 0x%08x, no data\n", oid);
367 * Check output data length and offset.
369 /* ofs is the offset from the beginning of comp. */
370 ofs = RNDIS_QUERY_COMP_INFOBUFOFFSET_ABS(comp->rm_infobufoffset);
371 if (ofs < sizeof(*comp) || ofs + comp->rm_infobuflen > comp_len) {
372 if_printf(sc->hn_ifp, "RNDIS query invalid comp ib off/len, "
373 "%u/%u\n", comp->rm_infobufoffset, comp->rm_infobuflen);
381 if (comp->rm_infobuflen < odlen)
382 odlen = comp->rm_infobuflen;
383 memcpy(odata, ((const uint8_t *)comp) + ofs, odlen);
388 vmbus_xact_put(xact);
393 hn_rndis_query_rsscaps(struct hn_softc *sc, int *rxr_cnt0)
395 struct ndis_rss_caps in, caps;
397 int error, indsz, rxr_cnt, hash_fnidx;
398 uint32_t hash_func = 0, hash_types = 0;
402 if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_20)
405 memset(&in, 0, sizeof(in));
406 in.ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_CAPS;
407 in.ndis_hdr.ndis_rev = NDIS_RSS_CAPS_REV_2;
408 in.ndis_hdr.ndis_size = NDIS_RSS_CAPS_SIZE;
410 caps_len = NDIS_RSS_CAPS_SIZE;
411 error = hn_rndis_query2(sc, OID_GEN_RECEIVE_SCALE_CAPABILITIES,
412 &in, NDIS_RSS_CAPS_SIZE, &caps, &caps_len, NDIS_RSS_CAPS_SIZE_6_0);
417 * Preliminary verification.
419 if (caps.ndis_hdr.ndis_type != NDIS_OBJTYPE_RSS_CAPS) {
420 if_printf(sc->hn_ifp, "invalid NDIS objtype 0x%02x\n",
421 caps.ndis_hdr.ndis_type);
424 if (caps.ndis_hdr.ndis_rev < NDIS_RSS_CAPS_REV_1) {
425 if_printf(sc->hn_ifp, "invalid NDIS objrev 0x%02x\n",
426 caps.ndis_hdr.ndis_rev);
429 if (caps.ndis_hdr.ndis_size > caps_len) {
430 if_printf(sc->hn_ifp, "invalid NDIS objsize %u, "
431 "data size %zu\n", caps.ndis_hdr.ndis_size, caps_len);
433 } else if (caps.ndis_hdr.ndis_size < NDIS_RSS_CAPS_SIZE_6_0) {
434 if_printf(sc->hn_ifp, "invalid NDIS objsize %u\n",
435 caps.ndis_hdr.ndis_size);
440 * Save information for later RSS configuration.
442 if (caps.ndis_nrxr == 0) {
443 if_printf(sc->hn_ifp, "0 RX rings!?\n");
447 if_printf(sc->hn_ifp, "%u RX rings\n", caps.ndis_nrxr);
448 rxr_cnt = caps.ndis_nrxr;
450 if (caps.ndis_hdr.ndis_size == NDIS_RSS_CAPS_SIZE &&
451 caps.ndis_hdr.ndis_rev >= NDIS_RSS_CAPS_REV_2) {
452 if (caps.ndis_nind > NDIS_HASH_INDCNT) {
453 if_printf(sc->hn_ifp,
454 "too many RSS indirect table entries %u\n",
458 if (!powerof2(caps.ndis_nind)) {
459 if_printf(sc->hn_ifp, "RSS indirect table size is not "
460 "power-of-2 %u\n", caps.ndis_nind);
464 if_printf(sc->hn_ifp, "RSS indirect table size %u\n",
467 indsz = caps.ndis_nind;
469 indsz = NDIS_HASH_INDCNT;
471 if (indsz < rxr_cnt) {
472 if_printf(sc->hn_ifp, "# of RX rings (%d) > "
473 "RSS indirect table size %d\n", rxr_cnt, indsz);
479 * Toeplitz is at the lowest bit, and it is prefered; so ffs(),
480 * instead of fls(), is used here.
482 hash_fnidx = ffs(caps.ndis_caps & NDIS_RSS_CAP_HASHFUNC_MASK);
483 if (hash_fnidx == 0) {
484 if_printf(sc->hn_ifp, "no hash functions, caps 0x%08x\n",
488 hash_func = 1 << (hash_fnidx - 1); /* ffs is 1-based */
490 if (caps.ndis_caps & NDIS_RSS_CAP_IPV4)
491 hash_types |= NDIS_HASH_IPV4 | NDIS_HASH_TCP_IPV4;
492 if (caps.ndis_caps & NDIS_RSS_CAP_IPV6)
493 hash_types |= NDIS_HASH_IPV6 | NDIS_HASH_TCP_IPV6;
494 if (caps.ndis_caps & NDIS_RSS_CAP_IPV6_EX)
495 hash_types |= NDIS_HASH_IPV6_EX | NDIS_HASH_TCP_IPV6_EX;
496 if (hash_types == 0) {
497 if_printf(sc->hn_ifp, "no hash types, caps 0x%08x\n",
503 sc->hn_rss_ind_size = indsz;
504 sc->hn_rss_hash = hash_func | hash_types;
510 hn_rndis_set(struct hn_softc *sc, uint32_t oid, const void *data, size_t dlen)
512 struct rndis_set_req *req;
513 const struct rndis_set_comp *comp;
514 struct vmbus_xact *xact;
515 size_t reqlen, comp_len;
519 KASSERT(dlen > 0, ("invalid dlen %zu", dlen));
521 reqlen = sizeof(*req) + dlen;
522 xact = vmbus_xact_get(sc->hn_xact, reqlen);
524 if_printf(sc->hn_ifp, "no xact for RNDIS set 0x%08x\n", oid);
527 rid = hn_rndis_rid(sc);
528 req = vmbus_xact_req_data(xact);
529 req->rm_type = REMOTE_NDIS_SET_MSG;
530 req->rm_len = reqlen;
533 req->rm_infobuflen = dlen;
534 req->rm_infobufoffset = RNDIS_SET_REQ_INFOBUFOFFSET;
535 /* Data immediately follows RNDIS set. */
536 memcpy(req + 1, data, dlen);
538 comp_len = sizeof(*comp);
539 comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
540 REMOTE_NDIS_SET_CMPLT);
542 if_printf(sc->hn_ifp, "exec RNDIS set 0x%08x failed\n", oid);
547 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
548 if_printf(sc->hn_ifp, "RNDIS set 0x%08x failed: "
549 "status 0x%08x\n", oid, comp->rm_status);
555 vmbus_xact_put(xact);
560 hn_rndis_conf_offload(struct hn_softc *sc, int mtu)
562 struct ndis_offload hwcaps;
563 struct ndis_offload_params params;
566 int error, tso_maxsz, tso_minsg;
568 error = hn_rndis_query_hwcaps(sc, &hwcaps);
570 if_printf(sc->hn_ifp, "hwcaps query failed: %d\n", error);
574 /* NOTE: 0 means "no change" */
575 memset(¶ms, 0, sizeof(params));
577 params.ndis_hdr.ndis_type = NDIS_OBJTYPE_DEFAULT;
578 if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_30) {
579 params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_2;
580 paramsz = NDIS_OFFLOAD_PARAMS_SIZE_6_1;
582 params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_3;
583 paramsz = NDIS_OFFLOAD_PARAMS_SIZE;
585 params.ndis_hdr.ndis_size = paramsz;
590 tso_maxsz = IP_MAXPACKET;
592 if (hwcaps.ndis_lsov2.ndis_ip4_encap & NDIS_OFFLOAD_ENCAP_8023) {
594 params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_ON;
596 if (hwcaps.ndis_lsov2.ndis_ip4_maxsz < tso_maxsz)
597 tso_maxsz = hwcaps.ndis_lsov2.ndis_ip4_maxsz;
598 if (hwcaps.ndis_lsov2.ndis_ip4_minsg > tso_minsg)
599 tso_minsg = hwcaps.ndis_lsov2.ndis_ip4_minsg;
601 if ((hwcaps.ndis_lsov2.ndis_ip6_encap & NDIS_OFFLOAD_ENCAP_8023) &&
602 (hwcaps.ndis_lsov2.ndis_ip6_opts & HN_NDIS_LSOV2_CAP_IP6) ==
603 HN_NDIS_LSOV2_CAP_IP6) {
605 params.ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_ON;
607 if (hwcaps.ndis_lsov2.ndis_ip6_maxsz < tso_maxsz)
608 tso_maxsz = hwcaps.ndis_lsov2.ndis_ip6_maxsz;
609 if (hwcaps.ndis_lsov2.ndis_ip6_minsg > tso_minsg)
610 tso_minsg = hwcaps.ndis_lsov2.ndis_ip6_minsg;
612 sc->hn_ndis_tso_szmax = 0;
613 sc->hn_ndis_tso_sgmin = 0;
614 if (caps & (HN_CAP_TSO4 | HN_CAP_TSO6)) {
615 KASSERT(tso_maxsz <= IP_MAXPACKET,
616 ("invalid NDIS TSO maxsz %d", tso_maxsz));
617 KASSERT(tso_minsg >= 2,
618 ("invalid NDIS TSO minsg %d", tso_minsg));
619 if (tso_maxsz < tso_minsg * mtu) {
620 if_printf(sc->hn_ifp, "invalid NDIS TSO config: "
621 "maxsz %d, minsg %d, mtu %d; "
622 "disable TSO4 and TSO6\n",
623 tso_maxsz, tso_minsg, mtu);
624 caps &= ~(HN_CAP_TSO4 | HN_CAP_TSO6);
625 params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_OFF;
626 params.ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_OFF;
628 sc->hn_ndis_tso_szmax = tso_maxsz;
629 sc->hn_ndis_tso_sgmin = tso_minsg;
631 if_printf(sc->hn_ifp, "NDIS TSO "
632 "szmax %d sgmin %d\n",
633 sc->hn_ndis_tso_szmax,
634 sc->hn_ndis_tso_sgmin);
640 if ((hwcaps.ndis_csum.ndis_ip4_txcsum & HN_NDIS_TXCSUM_CAP_IP4) ==
641 HN_NDIS_TXCSUM_CAP_IP4) {
643 params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TX;
645 if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_IP4) {
646 if (params.ndis_ip4csum == NDIS_OFFLOAD_PARAM_TX)
647 params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TXRX;
649 params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_RX;
653 if ((hwcaps.ndis_csum.ndis_ip4_txcsum & HN_NDIS_TXCSUM_CAP_TCP4) ==
654 HN_NDIS_TXCSUM_CAP_TCP4) {
655 caps |= HN_CAP_TCP4CS;
656 params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TX;
658 if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_TCP4) {
659 if (params.ndis_tcp4csum == NDIS_OFFLOAD_PARAM_TX)
660 params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TXRX;
662 params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_RX;
666 if (hwcaps.ndis_csum.ndis_ip4_txcsum & NDIS_TXCSUM_CAP_UDP4) {
667 caps |= HN_CAP_UDP4CS;
668 params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TX;
670 if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_UDP4) {
671 if (params.ndis_udp4csum == NDIS_OFFLOAD_PARAM_TX)
672 params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TXRX;
674 params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_RX;
678 if ((hwcaps.ndis_csum.ndis_ip6_txcsum & HN_NDIS_TXCSUM_CAP_TCP6) ==
679 HN_NDIS_TXCSUM_CAP_TCP6) {
680 caps |= HN_CAP_TCP6CS;
681 params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TX;
683 if (hwcaps.ndis_csum.ndis_ip6_rxcsum & NDIS_RXCSUM_CAP_TCP6) {
684 if (params.ndis_tcp6csum == NDIS_OFFLOAD_PARAM_TX)
685 params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TXRX;
687 params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_RX;
691 if ((hwcaps.ndis_csum.ndis_ip6_txcsum & HN_NDIS_TXCSUM_CAP_UDP6) ==
692 HN_NDIS_TXCSUM_CAP_UDP6) {
693 caps |= HN_CAP_UDP6CS;
694 params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TX;
696 if (hwcaps.ndis_csum.ndis_ip6_rxcsum & NDIS_RXCSUM_CAP_UDP6) {
697 if (params.ndis_udp6csum == NDIS_OFFLOAD_PARAM_TX)
698 params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TXRX;
700 params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_RX;
704 if_printf(sc->hn_ifp, "offload csum: "
705 "ip4 %u, tcp4 %u, udp4 %u, tcp6 %u, udp6 %u\n",
707 params.ndis_tcp4csum,
708 params.ndis_udp4csum,
709 params.ndis_tcp6csum,
710 params.ndis_udp6csum);
711 if_printf(sc->hn_ifp, "offload lsov2: ip4 %u, ip6 %u\n",
712 params.ndis_lsov2_ip4,
713 params.ndis_lsov2_ip6);
716 error = hn_rndis_set(sc, OID_TCP_OFFLOAD_PARAMETERS, ¶ms, paramsz);
718 if_printf(sc->hn_ifp, "offload config failed: %d\n", error);
723 if_printf(sc->hn_ifp, "offload config done\n");
729 hn_rndis_conf_rss(struct hn_softc *sc, uint16_t flags)
731 struct ndis_rssprm_toeplitz *rss = &sc->hn_rss;
732 struct ndis_rss_params *prm = &rss->rss_params;
736 * Only NDIS 6.20+ is supported:
737 * We only support 4bytes element in indirect table, which has been
738 * adopted since NDIS 6.20.
740 KASSERT(sc->hn_ndis_ver >= HN_NDIS_VERSION_6_20,
741 ("NDIS 6.20+ is required, NDIS version 0x%08x", sc->hn_ndis_ver));
743 /* XXX only one can be specified through, popcnt? */
744 KASSERT((sc->hn_rss_hash & NDIS_HASH_FUNCTION_MASK), ("no hash func"));
745 KASSERT((sc->hn_rss_hash & NDIS_HASH_TYPE_MASK), ("no hash types"));
746 KASSERT(sc->hn_rss_ind_size > 0, ("no indirect table size"));
749 if_printf(sc->hn_ifp, "RSS indirect table size %d, "
750 "hash 0x%08x\n", sc->hn_rss_ind_size, sc->hn_rss_hash);
755 * DO NOT whack rss_key and rss_ind, which are setup by the caller.
757 memset(prm, 0, sizeof(*prm));
758 rss_size = NDIS_RSSPRM_TOEPLITZ_SIZE(sc->hn_rss_ind_size);
760 prm->ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_PARAMS;
761 prm->ndis_hdr.ndis_rev = NDIS_RSS_PARAMS_REV_2;
762 prm->ndis_hdr.ndis_size = rss_size;
763 prm->ndis_flags = flags;
764 prm->ndis_hash = sc->hn_rss_hash;
765 prm->ndis_indsize = sizeof(rss->rss_ind[0]) * sc->hn_rss_ind_size;
766 prm->ndis_indoffset =
767 __offsetof(struct ndis_rssprm_toeplitz, rss_ind[0]);
768 prm->ndis_keysize = sizeof(rss->rss_key);
769 prm->ndis_keyoffset =
770 __offsetof(struct ndis_rssprm_toeplitz, rss_key[0]);
772 error = hn_rndis_set(sc, OID_GEN_RECEIVE_SCALE_PARAMETERS,
775 if_printf(sc->hn_ifp, "RSS config failed: %d\n", error);
778 if_printf(sc->hn_ifp, "RSS config done\n");
784 hn_rndis_set_rxfilter(struct hn_softc *sc, uint32_t filter)
788 error = hn_rndis_set(sc, OID_GEN_CURRENT_PACKET_FILTER,
789 &filter, sizeof(filter));
791 if_printf(sc->hn_ifp, "set RX filter 0x%08x failed: %d\n",
795 if_printf(sc->hn_ifp, "set RX filter 0x%08x done\n",
803 hn_rndis_init(struct hn_softc *sc)
805 struct rndis_init_req *req;
806 const struct rndis_init_comp *comp;
807 struct vmbus_xact *xact;
812 xact = vmbus_xact_get(sc->hn_xact, sizeof(*req));
814 if_printf(sc->hn_ifp, "no xact for RNDIS init\n");
817 rid = hn_rndis_rid(sc);
818 req = vmbus_xact_req_data(xact);
819 req->rm_type = REMOTE_NDIS_INITIALIZE_MSG;
820 req->rm_len = sizeof(*req);
822 req->rm_ver_major = RNDIS_VERSION_MAJOR;
823 req->rm_ver_minor = RNDIS_VERSION_MINOR;
824 req->rm_max_xfersz = HN_RNDIS_XFER_SIZE;
826 comp_len = RNDIS_INIT_COMP_SIZE_MIN;
827 comp = hn_rndis_xact_execute(sc, xact, rid, sizeof(*req), &comp_len,
828 REMOTE_NDIS_INITIALIZE_CMPLT);
830 if_printf(sc->hn_ifp, "exec RNDIS init failed\n");
835 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
836 if_printf(sc->hn_ifp, "RNDIS init failed: status 0x%08x\n",
841 sc->hn_rndis_agg_size = comp->rm_pktmaxsz;
842 sc->hn_rndis_agg_pkts = comp->rm_pktmaxcnt;
843 sc->hn_rndis_agg_align = 1U << comp->rm_align;
845 if (sc->hn_rndis_agg_align < sizeof(uint32_t)) {
847 * The RNDIS packet messsage encap assumes that the RNDIS
848 * packet message is at least 4 bytes aligned. Fix up the
849 * alignment here, if the remote side sets the alignment
852 if_printf(sc->hn_ifp, "fixup RNDIS aggpkt align: %u -> %zu\n",
853 sc->hn_rndis_agg_align, sizeof(uint32_t));
854 sc->hn_rndis_agg_align = sizeof(uint32_t);
858 if_printf(sc->hn_ifp, "RNDIS ver %u.%u, "
859 "aggpkt size %u, aggpkt cnt %u, aggpkt align %u\n",
860 comp->rm_ver_major, comp->rm_ver_minor,
861 sc->hn_rndis_agg_size, sc->hn_rndis_agg_pkts,
862 sc->hn_rndis_agg_align);
866 vmbus_xact_put(xact);
871 hn_rndis_halt(struct hn_softc *sc)
873 struct vmbus_xact *xact;
874 struct rndis_halt_req *halt;
875 struct hn_nvs_sendctx sndc;
878 xact = vmbus_xact_get(sc->hn_xact, sizeof(*halt));
880 if_printf(sc->hn_ifp, "no xact for RNDIS halt\n");
883 halt = vmbus_xact_req_data(xact);
884 halt->rm_type = REMOTE_NDIS_HALT_MSG;
885 halt->rm_len = sizeof(*halt);
886 halt->rm_rid = hn_rndis_rid(sc);
888 /* No RNDIS completion; rely on NVS message send completion */
889 hn_nvs_sendctx_init(&sndc, hn_nvs_sent_xact, xact);
890 hn_rndis_xact_exec1(sc, xact, sizeof(*halt), &sndc, &comp_len);
892 vmbus_xact_put(xact);
894 if_printf(sc->hn_ifp, "RNDIS halt done\n");
899 hn_rndis_query_hwcaps(struct hn_softc *sc, struct ndis_offload *caps)
901 struct ndis_offload in;
902 size_t caps_len, size;
905 memset(&in, 0, sizeof(in));
906 in.ndis_hdr.ndis_type = NDIS_OBJTYPE_OFFLOAD;
907 if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_30) {
908 in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_3;
909 size = NDIS_OFFLOAD_SIZE;
910 } else if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_1) {
911 in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_2;
912 size = NDIS_OFFLOAD_SIZE_6_1;
914 in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_1;
915 size = NDIS_OFFLOAD_SIZE_6_0;
917 in.ndis_hdr.ndis_size = size;
919 caps_len = NDIS_OFFLOAD_SIZE;
920 error = hn_rndis_query2(sc, OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES,
921 &in, size, caps, &caps_len, NDIS_OFFLOAD_SIZE_6_0);
926 * Preliminary verification.
928 if (caps->ndis_hdr.ndis_type != NDIS_OBJTYPE_OFFLOAD) {
929 if_printf(sc->hn_ifp, "invalid NDIS objtype 0x%02x\n",
930 caps->ndis_hdr.ndis_type);
933 if (caps->ndis_hdr.ndis_rev < NDIS_OFFLOAD_REV_1) {
934 if_printf(sc->hn_ifp, "invalid NDIS objrev 0x%02x\n",
935 caps->ndis_hdr.ndis_rev);
938 if (caps->ndis_hdr.ndis_size > caps_len) {
939 if_printf(sc->hn_ifp, "invalid NDIS objsize %u, "
940 "data size %zu\n", caps->ndis_hdr.ndis_size, caps_len);
942 } else if (caps->ndis_hdr.ndis_size < NDIS_OFFLOAD_SIZE_6_0) {
943 if_printf(sc->hn_ifp, "invalid NDIS objsize %u\n",
944 caps->ndis_hdr.ndis_size);
951 * caps->ndis_hdr.ndis_size MUST be checked before accessing
952 * NDIS 6.1+ specific fields.
954 if_printf(sc->hn_ifp, "hwcaps rev %u\n",
955 caps->ndis_hdr.ndis_rev);
957 if_printf(sc->hn_ifp, "hwcaps csum: "
958 "ip4 tx 0x%x/0x%x rx 0x%x/0x%x, "
959 "ip6 tx 0x%x/0x%x rx 0x%x/0x%x\n",
960 caps->ndis_csum.ndis_ip4_txcsum,
961 caps->ndis_csum.ndis_ip4_txenc,
962 caps->ndis_csum.ndis_ip4_rxcsum,
963 caps->ndis_csum.ndis_ip4_rxenc,
964 caps->ndis_csum.ndis_ip6_txcsum,
965 caps->ndis_csum.ndis_ip6_txenc,
966 caps->ndis_csum.ndis_ip6_rxcsum,
967 caps->ndis_csum.ndis_ip6_rxenc);
968 if_printf(sc->hn_ifp, "hwcaps lsov2: "
969 "ip4 maxsz %u minsg %u encap 0x%x, "
970 "ip6 maxsz %u minsg %u encap 0x%x opts 0x%x\n",
971 caps->ndis_lsov2.ndis_ip4_maxsz,
972 caps->ndis_lsov2.ndis_ip4_minsg,
973 caps->ndis_lsov2.ndis_ip4_encap,
974 caps->ndis_lsov2.ndis_ip6_maxsz,
975 caps->ndis_lsov2.ndis_ip6_minsg,
976 caps->ndis_lsov2.ndis_ip6_encap,
977 caps->ndis_lsov2.ndis_ip6_opts);
983 hn_rndis_attach(struct hn_softc *sc, int mtu, int *init_done)
992 error = hn_rndis_init(sc);
998 * Configure NDIS offload settings.
1000 hn_rndis_conf_offload(sc, mtu);
1005 hn_rndis_detach(struct hn_softc *sc)
1008 /* Halt the RNDIS. */