2 * Copyright (c) 2009-2012,2016 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 <sys/param.h>
34 #include <sys/socket.h>
36 #include <sys/mutex.h>
38 #include <net/if_arp.h>
39 #include <net/if_var.h>
40 #include <net/ethernet.h>
41 #include <net/rndis.h>
42 #include <sys/types.h>
43 #include <machine/atomic.h>
46 #include <vm/vm_param.h>
49 #include <dev/hyperv/include/hyperv.h>
50 #include <dev/hyperv/include/vmbus_xact.h>
51 #include <dev/hyperv/netvsc/hv_net_vsc.h>
52 #include <dev/hyperv/netvsc/hv_rndis_filter.h>
53 #include <dev/hyperv/netvsc/if_hnreg.h>
54 #include <dev/hyperv/netvsc/ndis.h>
56 #define HV_RF_RECVINFO_VLAN 0x1
57 #define HV_RF_RECVINFO_CSUM 0x2
58 #define HV_RF_RECVINFO_HASHINF 0x4
59 #define HV_RF_RECVINFO_HASHVAL 0x8
60 #define HV_RF_RECVINFO_ALL \
61 (HV_RF_RECVINFO_VLAN | \
62 HV_RF_RECVINFO_CSUM | \
63 HV_RF_RECVINFO_HASHINF | \
64 HV_RF_RECVINFO_HASHVAL)
66 #define HN_RNDIS_RID_COMPAT_MASK 0xffff
67 #define HN_RNDIS_RID_COMPAT_MAX HN_RNDIS_RID_COMPAT_MASK
69 #define HN_RNDIS_XFER_SIZE 2048
72 * Forward declarations
74 static void hv_rf_receive_indicate_status(struct hn_softc *sc,
75 const void *data, int dlen);
76 static void hv_rf_receive_data(struct hn_rx_ring *rxr,
77 const void *data, int dlen);
79 static int hn_rndis_query(struct hn_softc *sc, uint32_t oid,
80 const void *idata, size_t idlen, void *odata, size_t *odlen0);
81 static int hn_rndis_set(struct hn_softc *sc, uint32_t oid, const void *data,
83 static int hn_rndis_conf_offload(struct hn_softc *sc);
85 static __inline uint32_t
86 hn_rndis_rid(struct hn_softc *sc)
91 rid = atomic_fetchadd_int(&sc->hn_rndis_rid, 1);
95 /* Use upper 16 bits for non-compat RNDIS messages. */
96 return ((rid & 0xffff) << 16);
100 hn_rndis_pktinfo_append(struct rndis_packet_msg *pkt, size_t pktsize,
101 size_t pi_dlen, uint32_t pi_type)
103 const size_t pi_size = HN_RNDIS_PKTINFO_SIZE(pi_dlen);
104 struct rndis_pktinfo *pi;
106 KASSERT((pi_size & RNDIS_PACKET_MSG_OFFSET_ALIGNMASK) == 0,
107 ("unaligned pktinfo size %zu, pktinfo dlen %zu", pi_size, pi_dlen));
110 * Per-packet-info does not move; it only grows.
113 * rm_pktinfooffset in this phase counts from the beginning
114 * of rndis_packet_msg.
116 KASSERT(pkt->rm_pktinfooffset + pkt->rm_pktinfolen + pi_size <= pktsize,
117 ("%u pktinfo overflows RNDIS packet msg", pi_type));
118 pi = (struct rndis_pktinfo *)((uint8_t *)pkt + pkt->rm_pktinfooffset +
120 pkt->rm_pktinfolen += pi_size;
122 pi->rm_size = pi_size;
123 pi->rm_type = pi_type;
124 pi->rm_pktinfooffset = RNDIS_PKTINFO_OFFSET;
126 /* Data immediately follow per-packet-info. */
127 pkt->rm_dataoffset += pi_size;
129 /* Update RNDIS packet msg length */
130 pkt->rm_len += pi_size;
132 return (pi->rm_data);
136 * RNDIS filter receive indicate status
139 hv_rf_receive_indicate_status(struct hn_softc *sc, const void *data, int dlen)
141 const struct rndis_status_msg *msg;
143 if (dlen < sizeof(*msg)) {
144 if_printf(sc->hn_ifp, "invalid RNDIS status\n");
149 switch (msg->rm_status) {
150 case RNDIS_STATUS_MEDIA_CONNECT:
151 netvsc_linkstatus_callback(sc, 1);
154 case RNDIS_STATUS_MEDIA_DISCONNECT:
155 netvsc_linkstatus_callback(sc, 0);
158 case RNDIS_STATUS_TASK_OFFLOAD_CURRENT_CONFIG:
159 /* Not really useful; ignore. */
162 case RNDIS_STATUS_NETWORK_CHANGE:
164 if_printf(sc->hn_ifp, "network changed\n");
169 if_printf(sc->hn_ifp, "unknown RNDIS status 0x%08x\n",
176 hn_rndis_rxinfo(const void *info_data, int info_dlen, struct hn_recvinfo *info)
178 const struct rndis_pktinfo *pi = info_data;
181 while (info_dlen != 0) {
185 if (__predict_false(info_dlen < sizeof(*pi)))
187 if (__predict_false(info_dlen < pi->rm_size))
189 info_dlen -= pi->rm_size;
191 if (__predict_false(pi->rm_size & RNDIS_PKTINFO_SIZE_ALIGNMASK))
193 if (__predict_false(pi->rm_size < pi->rm_pktinfooffset))
195 dlen = pi->rm_size - pi->rm_pktinfooffset;
198 switch (pi->rm_type) {
199 case NDIS_PKTINFO_TYPE_VLAN:
200 if (__predict_false(dlen < NDIS_VLAN_INFO_SIZE))
202 info->vlan_info = *((const uint32_t *)data);
203 mask |= HV_RF_RECVINFO_VLAN;
206 case NDIS_PKTINFO_TYPE_CSUM:
207 if (__predict_false(dlen < NDIS_RXCSUM_INFO_SIZE))
209 info->csum_info = *((const uint32_t *)data);
210 mask |= HV_RF_RECVINFO_CSUM;
213 case HN_NDIS_PKTINFO_TYPE_HASHVAL:
214 if (__predict_false(dlen < HN_NDIS_HASH_VALUE_SIZE))
216 info->hash_value = *((const uint32_t *)data);
217 mask |= HV_RF_RECVINFO_HASHVAL;
220 case HN_NDIS_PKTINFO_TYPE_HASHINF:
221 if (__predict_false(dlen < HN_NDIS_HASH_INFO_SIZE))
223 info->hash_info = *((const uint32_t *)data);
224 mask |= HV_RF_RECVINFO_HASHINF;
231 if (mask == HV_RF_RECVINFO_ALL) {
232 /* All found; done */
236 pi = (const struct rndis_pktinfo *)
237 ((const uint8_t *)pi + pi->rm_size);
242 * - If there is no hash value, invalidate the hash info.
244 if ((mask & HV_RF_RECVINFO_HASHVAL) == 0)
245 info->hash_info = HN_NDIS_HASH_INFO_INVALID;
250 hn_rndis_check_overlap(int off, int len, int check_off, int check_len)
253 if (off < check_off) {
254 if (__predict_true(off + len <= check_off))
256 } else if (off > check_off) {
257 if (__predict_true(check_off + check_len <= off))
264 * RNDIS filter receive data
267 hv_rf_receive_data(struct hn_rx_ring *rxr, const void *data, int dlen)
269 const struct rndis_packet_msg *pkt;
270 struct hn_recvinfo info;
271 int data_off, pktinfo_off, data_len, pktinfo_len;
276 if (__predict_false(dlen < sizeof(*pkt))) {
277 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg\n");
282 if (__predict_false(dlen < pkt->rm_len)) {
283 if_printf(rxr->hn_ifp, "truncated RNDIS packet msg, "
284 "dlen %d, msglen %u\n", dlen, pkt->rm_len);
287 if (__predict_false(pkt->rm_len <
288 pkt->rm_datalen + pkt->rm_oobdatalen + pkt->rm_pktinfolen)) {
289 if_printf(rxr->hn_ifp, "invalid RNDIS packet msglen, "
290 "msglen %u, data %u, oob %u, pktinfo %u\n",
291 pkt->rm_len, pkt->rm_datalen, pkt->rm_oobdatalen,
295 if (__predict_false(pkt->rm_datalen == 0)) {
296 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, no data\n");
303 #define IS_OFFSET_INVALID(ofs) \
304 ((ofs) < RNDIS_PACKET_MSG_OFFSET_MIN || \
305 ((ofs) & RNDIS_PACKET_MSG_OFFSET_ALIGNMASK))
307 /* XXX Hyper-V does not meet data offset alignment requirement */
308 if (__predict_false(pkt->rm_dataoffset < RNDIS_PACKET_MSG_OFFSET_MIN)) {
309 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
310 "data offset %u\n", pkt->rm_dataoffset);
313 if (__predict_false(pkt->rm_oobdataoffset > 0 &&
314 IS_OFFSET_INVALID(pkt->rm_oobdataoffset))) {
315 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
316 "oob offset %u\n", pkt->rm_oobdataoffset);
319 if (__predict_true(pkt->rm_pktinfooffset > 0) &&
320 __predict_false(IS_OFFSET_INVALID(pkt->rm_pktinfooffset))) {
321 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
322 "pktinfo offset %u\n", pkt->rm_pktinfooffset);
326 #undef IS_OFFSET_INVALID
328 data_off = RNDIS_PACKET_MSG_OFFSET_ABS(pkt->rm_dataoffset);
329 data_len = pkt->rm_datalen;
330 pktinfo_off = RNDIS_PACKET_MSG_OFFSET_ABS(pkt->rm_pktinfooffset);
331 pktinfo_len = pkt->rm_pktinfolen;
334 * Check OOB coverage.
336 if (__predict_false(pkt->rm_oobdatalen != 0)) {
337 int oob_off, oob_len;
339 if_printf(rxr->hn_ifp, "got oobdata\n");
340 oob_off = RNDIS_PACKET_MSG_OFFSET_ABS(pkt->rm_oobdataoffset);
341 oob_len = pkt->rm_oobdatalen;
343 if (__predict_false(oob_off + oob_len > pkt->rm_len)) {
344 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
345 "oob overflow, msglen %u, oob abs %d len %d\n",
346 pkt->rm_len, oob_off, oob_len);
351 * Check against data.
353 if (hn_rndis_check_overlap(oob_off, oob_len,
354 data_off, data_len)) {
355 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
356 "oob overlaps data, oob abs %d len %d, "
357 "data abs %d len %d\n",
358 oob_off, oob_len, data_off, data_len);
363 * Check against pktinfo.
365 if (pktinfo_len != 0 &&
366 hn_rndis_check_overlap(oob_off, oob_len,
367 pktinfo_off, pktinfo_len)) {
368 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
369 "oob overlaps pktinfo, oob abs %d len %d, "
370 "pktinfo abs %d len %d\n",
371 oob_off, oob_len, pktinfo_off, pktinfo_len);
377 * Check per-packet-info coverage and find useful per-packet-info.
379 info.vlan_info = HN_NDIS_VLAN_INFO_INVALID;
380 info.csum_info = HN_NDIS_RXCSUM_INFO_INVALID;
381 info.hash_info = HN_NDIS_HASH_INFO_INVALID;
382 if (__predict_true(pktinfo_len != 0)) {
386 if (__predict_false(pktinfo_off + pktinfo_len > pkt->rm_len)) {
387 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
388 "pktinfo overflow, msglen %u, "
389 "pktinfo abs %d len %d\n",
390 pkt->rm_len, pktinfo_off, pktinfo_len);
395 * Check packet info coverage.
397 overlap = hn_rndis_check_overlap(pktinfo_off, pktinfo_len,
399 if (__predict_false(overlap)) {
400 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
401 "pktinfo overlap data, pktinfo abs %d len %d, "
402 "data abs %d len %d\n",
403 pktinfo_off, pktinfo_len, data_off, data_len);
408 * Find useful per-packet-info.
410 error = hn_rndis_rxinfo(((const uint8_t *)pkt) + pktinfo_off,
412 if (__predict_false(error)) {
413 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg "
419 if (__predict_false(data_off + data_len > pkt->rm_len)) {
420 if_printf(rxr->hn_ifp, "invalid RNDIS packet msg, "
421 "data overflow, msglen %u, data abs %d len %d\n",
422 pkt->rm_len, data_off, data_len);
425 hn_rxpkt(rxr, ((const uint8_t *)pkt) + data_off, data_len, &info);
429 * RNDIS filter on receive
432 hv_rf_on_receive(struct hn_softc *sc, struct hn_rx_ring *rxr,
433 const void *data, int dlen)
435 const struct rndis_comp_hdr *comp;
436 const struct rndis_msghdr *hdr;
438 if (__predict_false(dlen < sizeof(*hdr))) {
439 if_printf(rxr->hn_ifp, "invalid RNDIS msg\n");
444 switch (hdr->rm_type) {
445 case REMOTE_NDIS_PACKET_MSG:
446 hv_rf_receive_data(rxr, data, dlen);
449 case REMOTE_NDIS_INITIALIZE_CMPLT:
450 case REMOTE_NDIS_QUERY_CMPLT:
451 case REMOTE_NDIS_SET_CMPLT:
452 case REMOTE_NDIS_KEEPALIVE_CMPLT: /* unused */
453 if (dlen < sizeof(*comp)) {
454 if_printf(rxr->hn_ifp, "invalid RNDIS cmplt\n");
459 KASSERT(comp->rm_rid > HN_RNDIS_RID_COMPAT_MAX,
460 ("invalid RNDIS rid 0x%08x\n", comp->rm_rid));
461 vmbus_xact_ctx_wakeup(sc->hn_xact, comp, dlen);
464 case REMOTE_NDIS_INDICATE_STATUS_MSG:
465 hv_rf_receive_indicate_status(sc, data, dlen);
468 case REMOTE_NDIS_RESET_CMPLT:
470 * Reset completed, no rid.
473 * RESET is not issued by hn(4), so this message should
476 if_printf(rxr->hn_ifp, "RESET cmplt received\n");
480 if_printf(rxr->hn_ifp, "unknown RNDIS msg 0x%x\n",
487 hn_rndis_get_eaddr(struct hn_softc *sc, uint8_t *eaddr)
492 eaddr_len = ETHER_ADDR_LEN;
493 error = hn_rndis_query(sc, OID_802_3_PERMANENT_ADDRESS, NULL, 0,
497 if (eaddr_len != ETHER_ADDR_LEN) {
498 if_printf(sc->hn_ifp, "invalid eaddr len %zu\n", eaddr_len);
505 hn_rndis_get_linkstatus(struct hn_softc *sc, uint32_t *link_status)
510 size = sizeof(*link_status);
511 error = hn_rndis_query(sc, OID_GEN_MEDIA_CONNECT_STATUS, NULL, 0,
515 if (size != sizeof(uint32_t)) {
516 if_printf(sc->hn_ifp, "invalid link status len %zu\n", size);
523 hn_rndis_xact_exec1(struct hn_softc *sc, struct vmbus_xact *xact, size_t reqlen,
524 struct hn_send_ctx *sndc, size_t *comp_len)
526 struct vmbus_gpa gpa[HN_XACT_REQ_PGCNT];
530 KASSERT(reqlen <= HN_XACT_REQ_SIZE && reqlen > 0,
531 ("invalid request length %zu", reqlen));
536 paddr = vmbus_xact_req_paddr(xact);
537 KASSERT((paddr & PAGE_MASK) == 0,
538 ("vmbus xact request is not page aligned 0x%jx", (uintmax_t)paddr));
539 for (gpa_cnt = 0; gpa_cnt < HN_XACT_REQ_PGCNT; ++gpa_cnt) {
547 gpa[gpa_cnt].gpa_page = atop(paddr) + gpa_cnt;
548 gpa[gpa_cnt].gpa_len = len;
549 gpa[gpa_cnt].gpa_ofs = 0;
553 KASSERT(reqlen == 0, ("still have %zu request data left", reqlen));
556 * Send this RNDIS control message and wait for its completion
559 vmbus_xact_activate(xact);
560 error = hv_nv_on_send(sc->hn_prichan, HN_NVS_RNDIS_MTYPE_CTRL, sndc,
563 vmbus_xact_deactivate(xact);
564 if_printf(sc->hn_ifp, "RNDIS ctrl send failed: %d\n", error);
567 return (vmbus_xact_wait(xact, comp_len));
571 hn_rndis_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, uint32_t rid,
572 size_t reqlen, size_t *comp_len0, uint32_t comp_type)
574 const struct rndis_comp_hdr *comp;
575 size_t comp_len, min_complen = *comp_len0;
577 KASSERT(rid > HN_RNDIS_RID_COMPAT_MAX, ("invalid rid %u\n", rid));
578 KASSERT(min_complen >= sizeof(*comp),
579 ("invalid minimum complete len %zu", min_complen));
582 * Execute the xact setup by the caller.
584 comp = hn_rndis_xact_exec1(sc, xact, reqlen, &hn_send_ctx_none,
590 * Check this RNDIS complete message.
592 if (comp_len < min_complen) {
593 if (comp_len >= sizeof(*comp)) {
594 /* rm_status field is valid */
595 if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu, "
596 "status 0x%08x\n", comp_len, comp->rm_status);
598 if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu\n",
603 if (comp->rm_len < min_complen) {
604 if_printf(sc->hn_ifp, "invalid RNDIS comp msglen %u\n",
608 if (comp->rm_type != comp_type) {
609 if_printf(sc->hn_ifp, "unexpected RNDIS comp 0x%08x, "
610 "expect 0x%08x\n", comp->rm_type, comp_type);
613 if (comp->rm_rid != rid) {
614 if_printf(sc->hn_ifp, "RNDIS comp rid mismatch %u, "
615 "expect %u\n", comp->rm_rid, rid);
619 *comp_len0 = comp_len;
624 hn_rndis_query(struct hn_softc *sc, uint32_t oid,
625 const void *idata, size_t idlen, void *odata, size_t *odlen0)
627 struct rndis_query_req *req;
628 const struct rndis_query_comp *comp;
629 struct vmbus_xact *xact;
630 size_t reqlen, odlen = *odlen0, comp_len;
634 reqlen = sizeof(*req) + idlen;
635 xact = vmbus_xact_get(sc->hn_xact, reqlen);
637 if_printf(sc->hn_ifp, "no xact for RNDIS query 0x%08x\n", oid);
640 rid = hn_rndis_rid(sc);
641 req = vmbus_xact_req_data(xact);
642 req->rm_type = REMOTE_NDIS_QUERY_MSG;
643 req->rm_len = reqlen;
648 * This is _not_ RNDIS Spec conforming:
649 * "This MUST be set to 0 when there is no input data
650 * associated with the OID."
652 * If this field was set to 0 according to the RNDIS Spec,
653 * Hyper-V would set non-SUCCESS status in the query
656 req->rm_infobufoffset = RNDIS_QUERY_REQ_INFOBUFOFFSET;
659 req->rm_infobuflen = idlen;
660 /* Input data immediately follows RNDIS query. */
661 memcpy(req + 1, idata, idlen);
664 comp_len = sizeof(*comp) + odlen;
665 comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
666 REMOTE_NDIS_QUERY_CMPLT);
668 if_printf(sc->hn_ifp, "exec RNDIS query 0x%08x failed\n", oid);
673 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
674 if_printf(sc->hn_ifp, "RNDIS query 0x%08x failed: "
675 "status 0x%08x\n", oid, comp->rm_status);
679 if (comp->rm_infobuflen == 0 || comp->rm_infobufoffset == 0) {
680 /* No output data! */
681 if_printf(sc->hn_ifp, "RNDIS query 0x%08x, no data\n", oid);
688 * Check output data length and offset.
690 /* ofs is the offset from the beginning of comp. */
691 ofs = RNDIS_QUERY_COMP_INFOBUFOFFSET_ABS(comp->rm_infobufoffset);
692 if (ofs < sizeof(*comp) || ofs + comp->rm_infobuflen > comp_len) {
693 if_printf(sc->hn_ifp, "RNDIS query invalid comp ib off/len, "
694 "%u/%u\n", comp->rm_infobufoffset, comp->rm_infobuflen);
702 if (comp->rm_infobuflen < odlen)
703 odlen = comp->rm_infobuflen;
704 memcpy(odata, ((const uint8_t *)comp) + ofs, odlen);
709 vmbus_xact_put(xact);
714 hn_rndis_get_rsscaps(struct hn_softc *sc, int *rxr_cnt)
716 struct ndis_rss_caps in, caps;
721 * Only NDIS 6.30+ is supported.
723 KASSERT(sc->hn_ndis_ver >= HN_NDIS_VERSION_6_30,
724 ("NDIS 6.30+ is required, NDIS version 0x%08x", sc->hn_ndis_ver));
727 memset(&in, 0, sizeof(in));
728 in.ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_CAPS;
729 in.ndis_hdr.ndis_rev = NDIS_RSS_CAPS_REV_2;
730 in.ndis_hdr.ndis_size = NDIS_RSS_CAPS_SIZE;
732 caps_len = NDIS_RSS_CAPS_SIZE;
733 error = hn_rndis_query(sc, OID_GEN_RECEIVE_SCALE_CAPABILITIES,
734 &in, NDIS_RSS_CAPS_SIZE, &caps, &caps_len);
737 if (caps_len < NDIS_RSS_CAPS_SIZE_6_0) {
738 if_printf(sc->hn_ifp, "invalid NDIS RSS caps len %zu",
743 if (caps.ndis_nrxr == 0) {
744 if_printf(sc->hn_ifp, "0 RX rings!?\n");
747 *rxr_cnt = caps.ndis_nrxr;
749 if (caps_len == NDIS_RSS_CAPS_SIZE) {
751 if_printf(sc->hn_ifp, "RSS indirect table size %u\n",
759 hn_rndis_set(struct hn_softc *sc, uint32_t oid, const void *data, size_t dlen)
761 struct rndis_set_req *req;
762 const struct rndis_set_comp *comp;
763 struct vmbus_xact *xact;
764 size_t reqlen, comp_len;
768 KASSERT(dlen > 0, ("invalid dlen %zu", dlen));
770 reqlen = sizeof(*req) + dlen;
771 xact = vmbus_xact_get(sc->hn_xact, reqlen);
773 if_printf(sc->hn_ifp, "no xact for RNDIS set 0x%08x\n", oid);
776 rid = hn_rndis_rid(sc);
777 req = vmbus_xact_req_data(xact);
778 req->rm_type = REMOTE_NDIS_SET_MSG;
779 req->rm_len = reqlen;
782 req->rm_infobuflen = dlen;
783 req->rm_infobufoffset = RNDIS_SET_REQ_INFOBUFOFFSET;
784 /* Data immediately follows RNDIS set. */
785 memcpy(req + 1, data, dlen);
787 comp_len = sizeof(*comp);
788 comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
789 REMOTE_NDIS_SET_CMPLT);
791 if_printf(sc->hn_ifp, "exec RNDIS set 0x%08x failed\n", oid);
796 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
797 if_printf(sc->hn_ifp, "RNDIS set 0x%08x failed: "
798 "status 0x%08x\n", oid, comp->rm_status);
804 vmbus_xact_put(xact);
809 hn_rndis_conf_offload(struct hn_softc *sc)
811 struct ndis_offload_params params;
816 /* NOTE: 0 means "no change" */
817 memset(¶ms, 0, sizeof(params));
819 params.ndis_hdr.ndis_type = NDIS_OBJTYPE_DEFAULT;
820 if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_30) {
821 params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_2;
822 paramsz = NDIS_OFFLOAD_PARAMS_SIZE_6_1;
824 params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_3;
825 paramsz = NDIS_OFFLOAD_PARAMS_SIZE;
827 params.ndis_hdr.ndis_size = paramsz;
829 caps = HN_CAP_IPCS | HN_CAP_TCP4CS | HN_CAP_TCP6CS;
830 params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TXRX;
831 params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TXRX;
832 params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TXRX;
833 if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_30) {
834 caps |= HN_CAP_UDP4CS | HN_CAP_UDP6CS;
835 params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TXRX;
836 params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TXRX;
839 params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_ON;
840 /* XXX ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_ON */
842 error = hn_rndis_set(sc, OID_TCP_OFFLOAD_PARAMETERS, ¶ms, paramsz);
844 if_printf(sc->hn_ifp, "offload config failed: %d\n", error);
849 if_printf(sc->hn_ifp, "offload config done\n");
855 hn_rndis_conf_rss(struct hn_softc *sc, uint16_t flags)
857 struct ndis_rssprm_toeplitz *rss = &sc->hn_rss;
858 struct ndis_rss_params *prm = &rss->rss_params;
862 * Only NDIS 6.30+ is supported.
864 KASSERT(sc->hn_ndis_ver >= HN_NDIS_VERSION_6_30,
865 ("NDIS 6.30+ is required, NDIS version 0x%08x", sc->hn_ndis_ver));
869 * DO NOT whack rss_key and rss_ind, which are setup by the caller.
871 memset(prm, 0, sizeof(*prm));
873 prm->ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_PARAMS;
874 prm->ndis_hdr.ndis_rev = NDIS_RSS_PARAMS_REV_2;
875 prm->ndis_hdr.ndis_size = sizeof(*rss);
876 prm->ndis_flags = flags;
877 prm->ndis_hash = NDIS_HASH_FUNCTION_TOEPLITZ |
878 NDIS_HASH_IPV4 | NDIS_HASH_TCP_IPV4 |
879 NDIS_HASH_IPV6 | NDIS_HASH_TCP_IPV6;
880 /* TODO: Take ndis_rss_caps.ndis_nind into account */
881 prm->ndis_indsize = sizeof(rss->rss_ind);
882 prm->ndis_indoffset =
883 __offsetof(struct ndis_rssprm_toeplitz, rss_ind[0]);
884 prm->ndis_keysize = sizeof(rss->rss_key);
885 prm->ndis_keyoffset =
886 __offsetof(struct ndis_rssprm_toeplitz, rss_key[0]);
888 error = hn_rndis_set(sc, OID_GEN_RECEIVE_SCALE_PARAMETERS,
891 if_printf(sc->hn_ifp, "RSS config failed: %d\n", error);
894 if_printf(sc->hn_ifp, "RSS config done\n");
900 hn_rndis_set_rxfilter(struct hn_softc *sc, uint32_t filter)
904 error = hn_rndis_set(sc, OID_GEN_CURRENT_PACKET_FILTER,
905 &filter, sizeof(filter));
907 if_printf(sc->hn_ifp, "set RX filter 0x%08x failed: %d\n",
911 if_printf(sc->hn_ifp, "set RX filter 0x%08x done\n",
919 hn_rndis_init(struct hn_softc *sc)
921 struct rndis_init_req *req;
922 const struct rndis_init_comp *comp;
923 struct vmbus_xact *xact;
928 xact = vmbus_xact_get(sc->hn_xact, sizeof(*req));
930 if_printf(sc->hn_ifp, "no xact for RNDIS init\n");
933 rid = hn_rndis_rid(sc);
934 req = vmbus_xact_req_data(xact);
935 req->rm_type = REMOTE_NDIS_INITIALIZE_MSG;
936 req->rm_len = sizeof(*req);
938 req->rm_ver_major = RNDIS_VERSION_MAJOR;
939 req->rm_ver_minor = RNDIS_VERSION_MINOR;
940 req->rm_max_xfersz = HN_RNDIS_XFER_SIZE;
942 comp_len = RNDIS_INIT_COMP_SIZE_MIN;
943 comp = hn_rndis_xact_execute(sc, xact, rid, sizeof(*req), &comp_len,
944 REMOTE_NDIS_INITIALIZE_CMPLT);
946 if_printf(sc->hn_ifp, "exec RNDIS init failed\n");
951 if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
952 if_printf(sc->hn_ifp, "RNDIS init failed: status 0x%08x\n",
958 if_printf(sc->hn_ifp, "RNDIS ver %u.%u, pktsz %u, pktcnt %u, "
959 "align %u\n", comp->rm_ver_major, comp->rm_ver_minor,
960 comp->rm_pktmaxsz, comp->rm_pktmaxcnt,
961 1U << comp->rm_align);
965 vmbus_xact_put(xact);
970 hn_rndis_halt(struct hn_softc *sc)
972 struct vmbus_xact *xact;
973 struct rndis_halt_req *halt;
974 struct hn_send_ctx sndc;
977 xact = vmbus_xact_get(sc->hn_xact, sizeof(*halt));
979 if_printf(sc->hn_ifp, "no xact for RNDIS halt\n");
982 halt = vmbus_xact_req_data(xact);
983 halt->rm_type = REMOTE_NDIS_HALT_MSG;
984 halt->rm_len = sizeof(*halt);
985 halt->rm_rid = hn_rndis_rid(sc);
987 /* No RNDIS completion; rely on NVS message send completion */
988 hn_send_ctx_init_simple(&sndc, hn_nvs_sent_xact, xact);
989 hn_rndis_xact_exec1(sc, xact, sizeof(*halt), &sndc, &comp_len);
991 vmbus_xact_put(xact);
993 if_printf(sc->hn_ifp, "RNDIS halt done\n");
998 hn_rndis_attach(struct hn_softc *sc)
1005 error = hn_rndis_init(sc);
1010 * Configure NDIS offload settings.
1011 * XXX no offloading, if error happened?
1013 hn_rndis_conf_offload(sc);
1018 hn_rndis_detach(struct hn_softc *sc)
1021 /* Halt the RNDIS. */
1026 hv_rf_channel_rollup(struct hn_rx_ring *rxr, struct hn_tx_ring *txr)
1029 hn_chan_rollup(rxr, txr);