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_var.h>
45 #include <net/if_media.h>
46 #include <net/rndis.h>
48 #include <netinet/in.h>
49 #include <netinet/ip.h>
50 #include <netinet/tcp_lro.h>
52 #include <dev/hyperv/include/hyperv.h>
53 #include <dev/hyperv/include/hyperv_busdma.h>
54 #include <dev/hyperv/include/vmbus.h>
55 #include <dev/hyperv/include/vmbus_xact.h>
57 #include <dev/hyperv/netvsc/ndis.h>
58 #include <dev/hyperv/netvsc/if_hnreg.h>
59 #include <dev/hyperv/netvsc/if_hnvar.h>
60 #include <dev/hyperv/netvsc/hn_nvs.h>
61 #include <dev/hyperv/netvsc/hn_rndis.h>
63 #define HN_RNDIS_RID_COMPAT_MASK 0xffff
64 #define HN_RNDIS_RID_COMPAT_MAX HN_RNDIS_RID_COMPAT_MASK
66 #define HN_RNDIS_XFER_SIZE 2048
68 #define HN_NDIS_TXCSUM_CAP_IP4 \
69 (NDIS_TXCSUM_CAP_IP4 | NDIS_TXCSUM_CAP_IP4OPT)
70 #define HN_NDIS_TXCSUM_CAP_TCP4 \
71 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
72 #define HN_NDIS_TXCSUM_CAP_TCP6 \
73 (NDIS_TXCSUM_CAP_TCP6 | NDIS_TXCSUM_CAP_TCP6OPT | \
74 NDIS_TXCSUM_CAP_IP6EXT)
75 #define HN_NDIS_TXCSUM_CAP_UDP6 \
76 (NDIS_TXCSUM_CAP_UDP6 | NDIS_TXCSUM_CAP_IP6EXT)
77 #define HN_NDIS_LSOV2_CAP_IP6 \
78 (NDIS_LSOV2_CAP_IP6EXT | NDIS_LSOV2_CAP_TCP6OPT)
80 static const void *hn_rndis_xact_exec1(struct hn_softc *,
81 struct vmbus_xact *, size_t,
82 struct hn_nvs_sendctx *, size_t *);
83 static const void *hn_rndis_xact_execute(struct hn_softc *,
84 struct vmbus_xact *, uint32_t, size_t, size_t *,
86 static int hn_rndis_query(struct hn_softc *, uint32_t,
87 const void *, size_t, void *, size_t *);
88 static int hn_rndis_query2(struct hn_softc *, uint32_t,
89 const void *, size_t, void *, size_t *, size_t);
90 static int hn_rndis_set(struct hn_softc *, uint32_t,
91 const void *, size_t);
92 static int hn_rndis_init(struct hn_softc *);
93 static int hn_rndis_halt(struct hn_softc *);
94 static int hn_rndis_conf_offload(struct hn_softc *, int);
95 static int hn_rndis_query_hwcaps(struct hn_softc *,
96 struct ndis_offload *);
98 static __inline uint32_t
99 hn_rndis_rid(struct hn_softc *sc)
104 rid = atomic_fetchadd_int(&sc->hn_rndis_rid, 1);
108 /* Use upper 16 bits for non-compat RNDIS messages. */
109 return ((rid & 0xffff) << 16);
113 hn_rndis_rx_ctrl(struct hn_softc *sc, const void *data, int dlen)
115 const struct rndis_comp_hdr *comp;
116 const struct rndis_msghdr *hdr;
118 KASSERT(dlen >= sizeof(*hdr), ("invalid RNDIS msg\n"));
121 switch (hdr->rm_type) {
122 case REMOTE_NDIS_INITIALIZE_CMPLT:
123 case REMOTE_NDIS_QUERY_CMPLT:
124 case REMOTE_NDIS_SET_CMPLT:
125 case REMOTE_NDIS_KEEPALIVE_CMPLT: /* unused */
126 if (dlen < sizeof(*comp)) {
127 if_printf(sc->hn_ifp, "invalid RNDIS cmplt\n");
132 KASSERT(comp->rm_rid > HN_RNDIS_RID_COMPAT_MAX,
133 ("invalid RNDIS rid 0x%08x\n", comp->rm_rid));
134 vmbus_xact_ctx_wakeup(sc->hn_xact, comp, dlen);
137 case REMOTE_NDIS_RESET_CMPLT:
139 * Reset completed, no rid.
142 * RESET is not issued by hn(4), so this message should
145 if_printf(sc->hn_ifp, "RESET cmplt received\n");
149 if_printf(sc->hn_ifp, "unknown RNDIS msg 0x%x\n",
156 hn_rndis_get_eaddr(struct hn_softc *sc, uint8_t *eaddr)
161 eaddr_len = ETHER_ADDR_LEN;
162 error = hn_rndis_query(sc, OID_802_3_PERMANENT_ADDRESS, NULL, 0,
166 if (eaddr_len != ETHER_ADDR_LEN) {
167 if_printf(sc->hn_ifp, "invalid eaddr len %zu\n", eaddr_len);
174 hn_rndis_get_linkstatus(struct hn_softc *sc, uint32_t *link_status)
179 size = sizeof(*link_status);
180 error = hn_rndis_query(sc, OID_GEN_MEDIA_CONNECT_STATUS, NULL, 0,
184 if (size != sizeof(uint32_t)) {
185 if_printf(sc->hn_ifp, "invalid link status len %zu\n", size);
192 hn_rndis_get_mtu(struct hn_softc *sc, uint32_t *mtu)
198 error = hn_rndis_query(sc, OID_GEN_MAXIMUM_FRAME_SIZE, NULL, 0,
202 if (size != sizeof(uint32_t)) {
203 if_printf(sc->hn_ifp, "invalid mtu len %zu\n", size);
210 hn_rndis_xact_exec1(struct hn_softc *sc, struct vmbus_xact *xact, size_t reqlen,
211 struct hn_nvs_sendctx *sndc, size_t *comp_len)
213 struct vmbus_gpa gpa[HN_XACT_REQ_PGCNT];
217 KASSERT(reqlen <= HN_XACT_REQ_SIZE && reqlen > 0,
218 ("invalid request length %zu", reqlen));
223 paddr = vmbus_xact_req_paddr(xact);
224 KASSERT((paddr & PAGE_MASK) == 0,
225 ("vmbus xact request is not page aligned 0x%jx", (uintmax_t)paddr));
226 for (gpa_cnt = 0; gpa_cnt < HN_XACT_REQ_PGCNT; ++gpa_cnt) {
234 gpa[gpa_cnt].gpa_page = atop(paddr) + gpa_cnt;
235 gpa[gpa_cnt].gpa_len = len;
236 gpa[gpa_cnt].gpa_ofs = 0;
240 KASSERT(reqlen == 0, ("still have %zu request data left", reqlen));
243 * Send this RNDIS control message and wait for its completion
246 vmbus_xact_activate(xact);
247 error = hn_nvs_send_rndis_ctrl(sc->hn_prichan, sndc, gpa, gpa_cnt);
249 vmbus_xact_deactivate(xact);
250 if_printf(sc->hn_ifp, "RNDIS ctrl send failed: %d\n", error);
253 return (vmbus_chan_xact_wait(sc->hn_prichan, xact, comp_len,
258 hn_rndis_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, uint32_t rid,
259 size_t reqlen, size_t *comp_len0, uint32_t comp_type)
261 const struct rndis_comp_hdr *comp;
262 size_t comp_len, min_complen = *comp_len0;
264 KASSERT(rid > HN_RNDIS_RID_COMPAT_MAX, ("invalid rid %u\n", rid));
265 KASSERT(min_complen >= sizeof(*comp),
266 ("invalid minimum complete len %zu", min_complen));
269 * Execute the xact setup by the caller.
271 comp = hn_rndis_xact_exec1(sc, xact, reqlen, &hn_nvs_sendctx_none,
277 * Check this RNDIS complete message.
279 if (comp_len < min_complen) {
280 if (comp_len >= sizeof(*comp)) {
281 /* rm_status field is valid */
282 if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu, "
283 "status 0x%08x\n", comp_len, comp->rm_status);
285 if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu\n",
290 if (comp->rm_len < min_complen) {
291 if_printf(sc->hn_ifp, "invalid RNDIS comp msglen %u\n",
295 if (comp->rm_type != comp_type) {
296 if_printf(sc->hn_ifp, "unexpected RNDIS comp 0x%08x, "
297 "expect 0x%08x\n", comp->rm_type, comp_type);
300 if (comp->rm_rid != rid) {
301 if_printf(sc->hn_ifp, "RNDIS comp rid mismatch %u, "
302 "expect %u\n", comp->rm_rid, rid);
306 *comp_len0 = comp_len;
311 hn_rndis_query(struct hn_softc *sc, uint32_t oid,
312 const void *idata, size_t idlen, void *odata, size_t *odlen0)
315 return (hn_rndis_query2(sc, oid, idata, idlen, odata, odlen0, *odlen0));
319 hn_rndis_query2(struct hn_softc *sc, uint32_t oid,
320 const void *idata, size_t idlen, void *odata, size_t *odlen0,
323 struct rndis_query_req *req;
324 const struct rndis_query_comp *comp;
325 struct vmbus_xact *xact;
326 size_t reqlen, odlen = *odlen0, comp_len;
330 reqlen = sizeof(*req) + idlen;
331 xact = vmbus_xact_get(sc->hn_xact, reqlen);
333 if_printf(sc->hn_ifp, "no xact for RNDIS query 0x%08x\n", oid);
336 rid = hn_rndis_rid(sc);
337 req = vmbus_xact_req_data(xact);
338 req->rm_type = REMOTE_NDIS_QUERY_MSG;
339 req->rm_len = reqlen;
344 * This is _not_ RNDIS Spec conforming:
345 * "This MUST be set to 0 when there is no input data
346 * associated with the OID."
348 * If this field was set to 0 according to the RNDIS Spec,
349 * Hyper-V would set non-SUCCESS status in the query
352 req->rm_infobufoffset = RNDIS_QUERY_REQ_INFOBUFOFFSET;
355 req->rm_infobuflen = idlen;
356 /* Input data immediately follows RNDIS query. */
357 memcpy(req + 1, idata, idlen);
360 comp_len = sizeof(*comp) + min_odlen;
361 comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
362 REMOTE_NDIS_QUERY_CMPLT);
364 if_printf(sc->hn_ifp, "exec RNDIS query 0x%08x failed\n", oid);
369 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
370 if_printf(sc->hn_ifp, "RNDIS query 0x%08x failed: "
371 "status 0x%08x\n", oid, comp->rm_status);
375 if (comp->rm_infobuflen == 0 || comp->rm_infobufoffset == 0) {
376 /* No output data! */
377 if_printf(sc->hn_ifp, "RNDIS query 0x%08x, no data\n", oid);
384 * Check output data length and offset.
386 /* ofs is the offset from the beginning of comp. */
387 ofs = RNDIS_QUERY_COMP_INFOBUFOFFSET_ABS(comp->rm_infobufoffset);
388 if (ofs < sizeof(*comp) || ofs + comp->rm_infobuflen > comp_len) {
389 if_printf(sc->hn_ifp, "RNDIS query invalid comp ib off/len, "
390 "%u/%u\n", comp->rm_infobufoffset, comp->rm_infobuflen);
398 if (comp->rm_infobuflen < odlen)
399 odlen = comp->rm_infobuflen;
400 memcpy(odata, ((const uint8_t *)comp) + ofs, odlen);
405 vmbus_xact_put(xact);
410 hn_rndis_query_rsscaps(struct hn_softc *sc, int *rxr_cnt0)
412 struct ndis_rss_caps in, caps;
414 int error, indsz, rxr_cnt, hash_fnidx;
415 uint32_t hash_func = 0, hash_types = 0;
419 if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_20)
422 memset(&in, 0, sizeof(in));
423 in.ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_CAPS;
424 in.ndis_hdr.ndis_rev = NDIS_RSS_CAPS_REV_2;
425 in.ndis_hdr.ndis_size = NDIS_RSS_CAPS_SIZE;
427 caps_len = NDIS_RSS_CAPS_SIZE;
428 error = hn_rndis_query2(sc, OID_GEN_RECEIVE_SCALE_CAPABILITIES,
429 &in, NDIS_RSS_CAPS_SIZE, &caps, &caps_len, NDIS_RSS_CAPS_SIZE_6_0);
434 * Preliminary verification.
436 if (caps.ndis_hdr.ndis_type != NDIS_OBJTYPE_RSS_CAPS) {
437 if_printf(sc->hn_ifp, "invalid NDIS objtype 0x%02x\n",
438 caps.ndis_hdr.ndis_type);
441 if (caps.ndis_hdr.ndis_rev < NDIS_RSS_CAPS_REV_1) {
442 if_printf(sc->hn_ifp, "invalid NDIS objrev 0x%02x\n",
443 caps.ndis_hdr.ndis_rev);
446 if (caps.ndis_hdr.ndis_size > caps_len) {
447 if_printf(sc->hn_ifp, "invalid NDIS objsize %u, "
448 "data size %zu\n", caps.ndis_hdr.ndis_size, caps_len);
450 } else if (caps.ndis_hdr.ndis_size < NDIS_RSS_CAPS_SIZE_6_0) {
451 if_printf(sc->hn_ifp, "invalid NDIS objsize %u\n",
452 caps.ndis_hdr.ndis_size);
457 * Save information for later RSS configuration.
459 if (caps.ndis_nrxr == 0) {
460 if_printf(sc->hn_ifp, "0 RX rings!?\n");
464 if_printf(sc->hn_ifp, "%u RX rings\n", caps.ndis_nrxr);
465 rxr_cnt = caps.ndis_nrxr;
467 if (caps.ndis_hdr.ndis_size == NDIS_RSS_CAPS_SIZE &&
468 caps.ndis_hdr.ndis_rev >= NDIS_RSS_CAPS_REV_2) {
469 if (caps.ndis_nind > NDIS_HASH_INDCNT) {
470 if_printf(sc->hn_ifp,
471 "too many RSS indirect table entries %u\n",
475 if (!powerof2(caps.ndis_nind)) {
476 if_printf(sc->hn_ifp, "RSS indirect table size is not "
477 "power-of-2 %u\n", caps.ndis_nind);
481 if_printf(sc->hn_ifp, "RSS indirect table size %u\n",
484 indsz = caps.ndis_nind;
486 indsz = NDIS_HASH_INDCNT;
488 if (indsz < rxr_cnt) {
489 if_printf(sc->hn_ifp, "# of RX rings (%d) > "
490 "RSS indirect table size %d\n", rxr_cnt, indsz);
496 * Toeplitz is at the lowest bit, and it is prefered; so ffs(),
497 * instead of fls(), is used here.
499 hash_fnidx = ffs(caps.ndis_caps & NDIS_RSS_CAP_HASHFUNC_MASK);
500 if (hash_fnidx == 0) {
501 if_printf(sc->hn_ifp, "no hash functions, caps 0x%08x\n",
505 hash_func = 1 << (hash_fnidx - 1); /* ffs is 1-based */
507 if (caps.ndis_caps & NDIS_RSS_CAP_IPV4)
508 hash_types |= NDIS_HASH_IPV4 | NDIS_HASH_TCP_IPV4;
509 if (caps.ndis_caps & NDIS_RSS_CAP_IPV6)
510 hash_types |= NDIS_HASH_IPV6 | NDIS_HASH_TCP_IPV6;
511 if (caps.ndis_caps & NDIS_RSS_CAP_IPV6_EX)
512 hash_types |= NDIS_HASH_IPV6_EX | NDIS_HASH_TCP_IPV6_EX;
513 if (hash_types == 0) {
514 if_printf(sc->hn_ifp, "no hash types, caps 0x%08x\n",
519 if_printf(sc->hn_ifp, "RSS caps %#x\n", caps.ndis_caps);
522 sc->hn_rss_ind_size = indsz;
523 sc->hn_rss_hcap = hash_func | hash_types;
529 hn_rndis_set(struct hn_softc *sc, uint32_t oid, const void *data, size_t dlen)
531 struct rndis_set_req *req;
532 const struct rndis_set_comp *comp;
533 struct vmbus_xact *xact;
534 size_t reqlen, comp_len;
538 KASSERT(dlen > 0, ("invalid dlen %zu", dlen));
540 reqlen = sizeof(*req) + dlen;
541 xact = vmbus_xact_get(sc->hn_xact, reqlen);
543 if_printf(sc->hn_ifp, "no xact for RNDIS set 0x%08x\n", oid);
546 rid = hn_rndis_rid(sc);
547 req = vmbus_xact_req_data(xact);
548 req->rm_type = REMOTE_NDIS_SET_MSG;
549 req->rm_len = reqlen;
552 req->rm_infobuflen = dlen;
553 req->rm_infobufoffset = RNDIS_SET_REQ_INFOBUFOFFSET;
554 /* Data immediately follows RNDIS set. */
555 memcpy(req + 1, data, dlen);
557 comp_len = sizeof(*comp);
558 comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
559 REMOTE_NDIS_SET_CMPLT);
561 if_printf(sc->hn_ifp, "exec RNDIS set 0x%08x failed\n", oid);
566 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
567 if_printf(sc->hn_ifp, "RNDIS set 0x%08x failed: "
568 "status 0x%08x\n", oid, comp->rm_status);
574 vmbus_xact_put(xact);
579 hn_rndis_conf_offload(struct hn_softc *sc, int mtu)
581 struct ndis_offload hwcaps;
582 struct ndis_offload_params params;
585 int error, tso_maxsz, tso_minsg;
587 error = hn_rndis_query_hwcaps(sc, &hwcaps);
589 if_printf(sc->hn_ifp, "hwcaps query failed: %d\n", error);
593 /* NOTE: 0 means "no change" */
594 memset(¶ms, 0, sizeof(params));
596 params.ndis_hdr.ndis_type = NDIS_OBJTYPE_DEFAULT;
597 if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_30) {
598 params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_2;
599 paramsz = NDIS_OFFLOAD_PARAMS_SIZE_6_1;
601 params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_3;
602 paramsz = NDIS_OFFLOAD_PARAMS_SIZE;
604 params.ndis_hdr.ndis_size = paramsz;
609 tso_maxsz = IP_MAXPACKET;
611 if (hwcaps.ndis_lsov2.ndis_ip4_encap & NDIS_OFFLOAD_ENCAP_8023) {
613 params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_ON;
615 if (hwcaps.ndis_lsov2.ndis_ip4_maxsz < tso_maxsz)
616 tso_maxsz = hwcaps.ndis_lsov2.ndis_ip4_maxsz;
617 if (hwcaps.ndis_lsov2.ndis_ip4_minsg > tso_minsg)
618 tso_minsg = hwcaps.ndis_lsov2.ndis_ip4_minsg;
620 if ((hwcaps.ndis_lsov2.ndis_ip6_encap & NDIS_OFFLOAD_ENCAP_8023) &&
621 (hwcaps.ndis_lsov2.ndis_ip6_opts & HN_NDIS_LSOV2_CAP_IP6) ==
622 HN_NDIS_LSOV2_CAP_IP6) {
624 params.ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_ON;
626 if (hwcaps.ndis_lsov2.ndis_ip6_maxsz < tso_maxsz)
627 tso_maxsz = hwcaps.ndis_lsov2.ndis_ip6_maxsz;
628 if (hwcaps.ndis_lsov2.ndis_ip6_minsg > tso_minsg)
629 tso_minsg = hwcaps.ndis_lsov2.ndis_ip6_minsg;
631 sc->hn_ndis_tso_szmax = 0;
632 sc->hn_ndis_tso_sgmin = 0;
633 if (caps & (HN_CAP_TSO4 | HN_CAP_TSO6)) {
634 KASSERT(tso_maxsz <= IP_MAXPACKET,
635 ("invalid NDIS TSO maxsz %d", tso_maxsz));
636 KASSERT(tso_minsg >= 2,
637 ("invalid NDIS TSO minsg %d", tso_minsg));
638 if (tso_maxsz < tso_minsg * mtu) {
639 if_printf(sc->hn_ifp, "invalid NDIS TSO config: "
640 "maxsz %d, minsg %d, mtu %d; "
641 "disable TSO4 and TSO6\n",
642 tso_maxsz, tso_minsg, mtu);
643 caps &= ~(HN_CAP_TSO4 | HN_CAP_TSO6);
644 params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_OFF;
645 params.ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_OFF;
647 sc->hn_ndis_tso_szmax = tso_maxsz;
648 sc->hn_ndis_tso_sgmin = tso_minsg;
650 if_printf(sc->hn_ifp, "NDIS TSO "
651 "szmax %d sgmin %d\n",
652 sc->hn_ndis_tso_szmax,
653 sc->hn_ndis_tso_sgmin);
659 if ((hwcaps.ndis_csum.ndis_ip4_txcsum & HN_NDIS_TXCSUM_CAP_IP4) ==
660 HN_NDIS_TXCSUM_CAP_IP4) {
662 params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TX;
664 if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_IP4) {
665 if (params.ndis_ip4csum == NDIS_OFFLOAD_PARAM_TX)
666 params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TXRX;
668 params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_RX;
672 if ((hwcaps.ndis_csum.ndis_ip4_txcsum & HN_NDIS_TXCSUM_CAP_TCP4) ==
673 HN_NDIS_TXCSUM_CAP_TCP4) {
674 caps |= HN_CAP_TCP4CS;
675 params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TX;
677 if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_TCP4) {
678 if (params.ndis_tcp4csum == NDIS_OFFLOAD_PARAM_TX)
679 params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TXRX;
681 params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_RX;
685 if (hwcaps.ndis_csum.ndis_ip4_txcsum & NDIS_TXCSUM_CAP_UDP4) {
686 caps |= HN_CAP_UDP4CS;
687 params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TX;
689 if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_UDP4) {
690 if (params.ndis_udp4csum == NDIS_OFFLOAD_PARAM_TX)
691 params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TXRX;
693 params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_RX;
697 if ((hwcaps.ndis_csum.ndis_ip6_txcsum & HN_NDIS_TXCSUM_CAP_TCP6) ==
698 HN_NDIS_TXCSUM_CAP_TCP6) {
699 caps |= HN_CAP_TCP6CS;
700 params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TX;
702 if (hwcaps.ndis_csum.ndis_ip6_rxcsum & NDIS_RXCSUM_CAP_TCP6) {
703 if (params.ndis_tcp6csum == NDIS_OFFLOAD_PARAM_TX)
704 params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TXRX;
706 params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_RX;
710 if ((hwcaps.ndis_csum.ndis_ip6_txcsum & HN_NDIS_TXCSUM_CAP_UDP6) ==
711 HN_NDIS_TXCSUM_CAP_UDP6) {
712 caps |= HN_CAP_UDP6CS;
713 params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TX;
715 if (hwcaps.ndis_csum.ndis_ip6_rxcsum & NDIS_RXCSUM_CAP_UDP6) {
716 if (params.ndis_udp6csum == NDIS_OFFLOAD_PARAM_TX)
717 params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TXRX;
719 params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_RX;
723 if_printf(sc->hn_ifp, "offload csum: "
724 "ip4 %u, tcp4 %u, udp4 %u, tcp6 %u, udp6 %u\n",
726 params.ndis_tcp4csum,
727 params.ndis_udp4csum,
728 params.ndis_tcp6csum,
729 params.ndis_udp6csum);
730 if_printf(sc->hn_ifp, "offload lsov2: ip4 %u, ip6 %u\n",
731 params.ndis_lsov2_ip4,
732 params.ndis_lsov2_ip6);
735 error = hn_rndis_set(sc, OID_TCP_OFFLOAD_PARAMETERS, ¶ms, paramsz);
737 if_printf(sc->hn_ifp, "offload config failed: %d\n", error);
742 if_printf(sc->hn_ifp, "offload config done\n");
748 hn_rndis_conf_rss(struct hn_softc *sc, uint16_t flags)
750 struct ndis_rssprm_toeplitz *rss = &sc->hn_rss;
751 struct ndis_rss_params *prm = &rss->rss_params;
755 * Only NDIS 6.20+ is supported:
756 * We only support 4bytes element in indirect table, which has been
757 * adopted since NDIS 6.20.
759 KASSERT(sc->hn_ndis_ver >= HN_NDIS_VERSION_6_20,
760 ("NDIS 6.20+ is required, NDIS version 0x%08x", sc->hn_ndis_ver));
762 /* XXX only one can be specified through, popcnt? */
763 KASSERT((sc->hn_rss_hash & NDIS_HASH_FUNCTION_MASK), ("no hash func"));
764 KASSERT((sc->hn_rss_hash & NDIS_HASH_TYPE_MASK), ("no hash types"));
765 KASSERT(sc->hn_rss_ind_size > 0, ("no indirect table size"));
768 if_printf(sc->hn_ifp, "RSS indirect table size %d, "
769 "hash 0x%08x\n", sc->hn_rss_ind_size, sc->hn_rss_hash);
774 * DO NOT whack rss_key and rss_ind, which are setup by the caller.
776 memset(prm, 0, sizeof(*prm));
777 rss_size = NDIS_RSSPRM_TOEPLITZ_SIZE(sc->hn_rss_ind_size);
779 prm->ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_PARAMS;
780 prm->ndis_hdr.ndis_rev = NDIS_RSS_PARAMS_REV_2;
781 prm->ndis_hdr.ndis_size = rss_size;
782 prm->ndis_flags = flags;
783 prm->ndis_hash = sc->hn_rss_hash;
784 prm->ndis_indsize = sizeof(rss->rss_ind[0]) * sc->hn_rss_ind_size;
785 prm->ndis_indoffset =
786 __offsetof(struct ndis_rssprm_toeplitz, rss_ind[0]);
787 prm->ndis_keysize = sizeof(rss->rss_key);
788 prm->ndis_keyoffset =
789 __offsetof(struct ndis_rssprm_toeplitz, rss_key[0]);
791 error = hn_rndis_set(sc, OID_GEN_RECEIVE_SCALE_PARAMETERS,
794 if_printf(sc->hn_ifp, "RSS config failed: %d\n", error);
797 if_printf(sc->hn_ifp, "RSS config done\n");
803 hn_rndis_set_rxfilter(struct hn_softc *sc, uint32_t filter)
807 error = hn_rndis_set(sc, OID_GEN_CURRENT_PACKET_FILTER,
808 &filter, sizeof(filter));
810 if_printf(sc->hn_ifp, "set RX filter 0x%08x failed: %d\n",
814 if_printf(sc->hn_ifp, "set RX filter 0x%08x done\n",
822 hn_rndis_init(struct hn_softc *sc)
824 struct rndis_init_req *req;
825 const struct rndis_init_comp *comp;
826 struct vmbus_xact *xact;
831 xact = vmbus_xact_get(sc->hn_xact, sizeof(*req));
833 if_printf(sc->hn_ifp, "no xact for RNDIS init\n");
836 rid = hn_rndis_rid(sc);
837 req = vmbus_xact_req_data(xact);
838 req->rm_type = REMOTE_NDIS_INITIALIZE_MSG;
839 req->rm_len = sizeof(*req);
841 req->rm_ver_major = RNDIS_VERSION_MAJOR;
842 req->rm_ver_minor = RNDIS_VERSION_MINOR;
843 req->rm_max_xfersz = HN_RNDIS_XFER_SIZE;
845 comp_len = RNDIS_INIT_COMP_SIZE_MIN;
846 comp = hn_rndis_xact_execute(sc, xact, rid, sizeof(*req), &comp_len,
847 REMOTE_NDIS_INITIALIZE_CMPLT);
849 if_printf(sc->hn_ifp, "exec RNDIS init failed\n");
854 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
855 if_printf(sc->hn_ifp, "RNDIS init failed: status 0x%08x\n",
860 sc->hn_rndis_agg_size = comp->rm_pktmaxsz;
861 sc->hn_rndis_agg_pkts = comp->rm_pktmaxcnt;
862 sc->hn_rndis_agg_align = 1U << comp->rm_align;
864 if (sc->hn_rndis_agg_align < sizeof(uint32_t)) {
866 * The RNDIS packet messsage encap assumes that the RNDIS
867 * packet message is at least 4 bytes aligned. Fix up the
868 * alignment here, if the remote side sets the alignment
871 if_printf(sc->hn_ifp, "fixup RNDIS aggpkt align: %u -> %zu\n",
872 sc->hn_rndis_agg_align, sizeof(uint32_t));
873 sc->hn_rndis_agg_align = sizeof(uint32_t);
877 if_printf(sc->hn_ifp, "RNDIS ver %u.%u, "
878 "aggpkt size %u, aggpkt cnt %u, aggpkt align %u\n",
879 comp->rm_ver_major, comp->rm_ver_minor,
880 sc->hn_rndis_agg_size, sc->hn_rndis_agg_pkts,
881 sc->hn_rndis_agg_align);
885 vmbus_xact_put(xact);
890 hn_rndis_halt(struct hn_softc *sc)
892 struct vmbus_xact *xact;
893 struct rndis_halt_req *halt;
894 struct hn_nvs_sendctx sndc;
897 xact = vmbus_xact_get(sc->hn_xact, sizeof(*halt));
899 if_printf(sc->hn_ifp, "no xact for RNDIS halt\n");
902 halt = vmbus_xact_req_data(xact);
903 halt->rm_type = REMOTE_NDIS_HALT_MSG;
904 halt->rm_len = sizeof(*halt);
905 halt->rm_rid = hn_rndis_rid(sc);
907 /* No RNDIS completion; rely on NVS message send completion */
908 hn_nvs_sendctx_init(&sndc, hn_nvs_sent_xact, xact);
909 hn_rndis_xact_exec1(sc, xact, sizeof(*halt), &sndc, &comp_len);
911 vmbus_xact_put(xact);
913 if_printf(sc->hn_ifp, "RNDIS halt done\n");
918 hn_rndis_query_hwcaps(struct hn_softc *sc, struct ndis_offload *caps)
920 struct ndis_offload in;
921 size_t caps_len, size;
924 memset(&in, 0, sizeof(in));
925 in.ndis_hdr.ndis_type = NDIS_OBJTYPE_OFFLOAD;
926 if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_30) {
927 in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_3;
928 size = NDIS_OFFLOAD_SIZE;
929 } else if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_1) {
930 in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_2;
931 size = NDIS_OFFLOAD_SIZE_6_1;
933 in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_1;
934 size = NDIS_OFFLOAD_SIZE_6_0;
936 in.ndis_hdr.ndis_size = size;
938 caps_len = NDIS_OFFLOAD_SIZE;
939 error = hn_rndis_query2(sc, OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES,
940 &in, size, caps, &caps_len, NDIS_OFFLOAD_SIZE_6_0);
945 * Preliminary verification.
947 if (caps->ndis_hdr.ndis_type != NDIS_OBJTYPE_OFFLOAD) {
948 if_printf(sc->hn_ifp, "invalid NDIS objtype 0x%02x\n",
949 caps->ndis_hdr.ndis_type);
952 if (caps->ndis_hdr.ndis_rev < NDIS_OFFLOAD_REV_1) {
953 if_printf(sc->hn_ifp, "invalid NDIS objrev 0x%02x\n",
954 caps->ndis_hdr.ndis_rev);
957 if (caps->ndis_hdr.ndis_size > caps_len) {
958 if_printf(sc->hn_ifp, "invalid NDIS objsize %u, "
959 "data size %zu\n", caps->ndis_hdr.ndis_size, caps_len);
961 } else if (caps->ndis_hdr.ndis_size < NDIS_OFFLOAD_SIZE_6_0) {
962 if_printf(sc->hn_ifp, "invalid NDIS objsize %u\n",
963 caps->ndis_hdr.ndis_size);
970 * caps->ndis_hdr.ndis_size MUST be checked before accessing
971 * NDIS 6.1+ specific fields.
973 if_printf(sc->hn_ifp, "hwcaps rev %u\n",
974 caps->ndis_hdr.ndis_rev);
976 if_printf(sc->hn_ifp, "hwcaps csum: "
977 "ip4 tx 0x%x/0x%x rx 0x%x/0x%x, "
978 "ip6 tx 0x%x/0x%x rx 0x%x/0x%x\n",
979 caps->ndis_csum.ndis_ip4_txcsum,
980 caps->ndis_csum.ndis_ip4_txenc,
981 caps->ndis_csum.ndis_ip4_rxcsum,
982 caps->ndis_csum.ndis_ip4_rxenc,
983 caps->ndis_csum.ndis_ip6_txcsum,
984 caps->ndis_csum.ndis_ip6_txenc,
985 caps->ndis_csum.ndis_ip6_rxcsum,
986 caps->ndis_csum.ndis_ip6_rxenc);
987 if_printf(sc->hn_ifp, "hwcaps lsov2: "
988 "ip4 maxsz %u minsg %u encap 0x%x, "
989 "ip6 maxsz %u minsg %u encap 0x%x opts 0x%x\n",
990 caps->ndis_lsov2.ndis_ip4_maxsz,
991 caps->ndis_lsov2.ndis_ip4_minsg,
992 caps->ndis_lsov2.ndis_ip4_encap,
993 caps->ndis_lsov2.ndis_ip6_maxsz,
994 caps->ndis_lsov2.ndis_ip6_minsg,
995 caps->ndis_lsov2.ndis_ip6_encap,
996 caps->ndis_lsov2.ndis_ip6_opts);
1002 hn_rndis_attach(struct hn_softc *sc, int mtu, int *init_done)
1011 error = hn_rndis_init(sc);
1017 * Configure NDIS offload settings.
1019 hn_rndis_conf_offload(sc, mtu);
1024 hn_rndis_detach(struct hn_softc *sc)
1027 /* Halt the RNDIS. */