svn commit: r308116 - in head/sys: conf dev/hyperv/netvsc modules/hyperv/netvsc
Sepherosa Ziehau
sephe at FreeBSD.org
Mon Oct 31 01:36:29 UTC 2016
Author: sephe
Date: Mon Oct 31 01:36:28 2016
New Revision: 308116
URL: https://svnweb.freebsd.org/changeset/base/308116
Log:
hyperv/hn: Rename cleaned up RNDIS source file.
MFC after: 1 week
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D8361
Added:
head/sys/dev/hyperv/netvsc/hn_rndis.c
- copied unchanged from r308115, head/sys/dev/hyperv/netvsc/hv_rndis_filter.c
Deleted:
head/sys/dev/hyperv/netvsc/hv_rndis_filter.c
Modified:
head/sys/conf/files.amd64
head/sys/conf/files.i386
head/sys/modules/hyperv/netvsc/Makefile
Modified: head/sys/conf/files.amd64
==============================================================================
--- head/sys/conf/files.amd64 Sun Oct 30 22:18:22 2016 (r308115)
+++ head/sys/conf/files.amd64 Mon Oct 31 01:36:28 2016 (r308116)
@@ -292,8 +292,8 @@ dev/hwpmc/hwpmc_piv.c optional hwpmc
dev/hwpmc/hwpmc_tsc.c optional hwpmc
dev/hwpmc/hwpmc_x86.c optional hwpmc
dev/hyperv/netvsc/hn_nvs.c optional hyperv
+dev/hyperv/netvsc/hn_rndis.c optional hyperv
dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c optional hyperv
-dev/hyperv/netvsc/hv_rndis_filter.c optional hyperv
dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c optional hyperv
dev/hyperv/utilities/hv_heartbeat.c optional hyperv
dev/hyperv/utilities/hv_kvp.c optional hyperv
Modified: head/sys/conf/files.i386
==============================================================================
--- head/sys/conf/files.i386 Sun Oct 30 22:18:22 2016 (r308115)
+++ head/sys/conf/files.i386 Mon Oct 31 01:36:28 2016 (r308116)
@@ -249,8 +249,8 @@ dev/hwpmc/hwpmc_ppro.c optional hwpmc
dev/hwpmc/hwpmc_tsc.c optional hwpmc
dev/hwpmc/hwpmc_x86.c optional hwpmc
dev/hyperv/netvsc/hn_nvs.c optional hyperv
+dev/hyperv/netvsc/hn_rndis.c optional hyperv
dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c optional hyperv
-dev/hyperv/netvsc/hv_rndis_filter.c optional hyperv
dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c optional hyperv
dev/hyperv/utilities/hv_heartbeat.c optional hyperv
dev/hyperv/utilities/hv_kvp.c optional hyperv
Copied: head/sys/dev/hyperv/netvsc/hn_rndis.c (from r308115, head/sys/dev/hyperv/netvsc/hv_rndis_filter.c)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/hyperv/netvsc/hn_rndis.c Mon Oct 31 01:36:28 2016 (r308116, copy of r308115, head/sys/dev/hyperv/netvsc/hv_rndis_filter.c)
@@ -0,0 +1,991 @@
+/*-
+ * Copyright (c) 2009-2012,2016 Microsoft Corp.
+ * Copyright (c) 2010-2012 Citrix Inc.
+ * Copyright (c) 2012 NetApp Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice unmodified, this list of conditions, and the following
+ * disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "opt_inet6.h"
+#include "opt_inet.h"
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/systm.h>
+#include <sys/taskqueue.h>
+
+#include <machine/atomic.h>
+
+#include <net/ethernet.h>
+#include <net/if.h>
+#include <net/if_var.h>
+#include <net/if_media.h>
+#include <net/rndis.h>
+
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/tcp_lro.h>
+
+#include <dev/hyperv/include/hyperv.h>
+#include <dev/hyperv/include/hyperv_busdma.h>
+#include <dev/hyperv/include/vmbus.h>
+#include <dev/hyperv/include/vmbus_xact.h>
+
+#include <dev/hyperv/netvsc/ndis.h>
+#include <dev/hyperv/netvsc/if_hnreg.h>
+#include <dev/hyperv/netvsc/if_hnvar.h>
+#include <dev/hyperv/netvsc/hn_nvs.h>
+#include <dev/hyperv/netvsc/hn_rndis.h>
+
+#define HN_RNDIS_RID_COMPAT_MASK 0xffff
+#define HN_RNDIS_RID_COMPAT_MAX HN_RNDIS_RID_COMPAT_MASK
+
+#define HN_RNDIS_XFER_SIZE 2048
+
+#define HN_NDIS_TXCSUM_CAP_IP4 \
+ (NDIS_TXCSUM_CAP_IP4 | NDIS_TXCSUM_CAP_IP4OPT)
+#define HN_NDIS_TXCSUM_CAP_TCP4 \
+ (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
+#define HN_NDIS_TXCSUM_CAP_TCP6 \
+ (NDIS_TXCSUM_CAP_TCP6 | NDIS_TXCSUM_CAP_TCP6OPT | \
+ NDIS_TXCSUM_CAP_IP6EXT)
+#define HN_NDIS_TXCSUM_CAP_UDP6 \
+ (NDIS_TXCSUM_CAP_UDP6 | NDIS_TXCSUM_CAP_IP6EXT)
+#define HN_NDIS_LSOV2_CAP_IP6 \
+ (NDIS_LSOV2_CAP_IP6EXT | NDIS_LSOV2_CAP_TCP6OPT)
+
+static const void *hn_rndis_xact_exec1(struct hn_softc *,
+ struct vmbus_xact *, size_t,
+ struct hn_nvs_sendctx *, size_t *);
+static const void *hn_rndis_xact_execute(struct hn_softc *,
+ struct vmbus_xact *, uint32_t, size_t, size_t *,
+ uint32_t);
+static int hn_rndis_query(struct hn_softc *, uint32_t,
+ const void *, size_t, void *, size_t *);
+static int hn_rndis_query2(struct hn_softc *, uint32_t,
+ const void *, size_t, void *, size_t *, size_t);
+static int hn_rndis_set(struct hn_softc *, uint32_t,
+ const void *, size_t);
+static int hn_rndis_init(struct hn_softc *);
+static int hn_rndis_halt(struct hn_softc *);
+static int hn_rndis_conf_offload(struct hn_softc *, int);
+static int hn_rndis_query_hwcaps(struct hn_softc *,
+ struct ndis_offload *);
+
+static __inline uint32_t
+hn_rndis_rid(struct hn_softc *sc)
+{
+ uint32_t rid;
+
+again:
+ rid = atomic_fetchadd_int(&sc->hn_rndis_rid, 1);
+ if (rid == 0)
+ goto again;
+
+ /* Use upper 16 bits for non-compat RNDIS messages. */
+ return ((rid & 0xffff) << 16);
+}
+
+void
+hn_rndis_rx_ctrl(struct hn_softc *sc, const void *data, int dlen)
+{
+ const struct rndis_comp_hdr *comp;
+ const struct rndis_msghdr *hdr;
+
+ KASSERT(dlen >= sizeof(*hdr), ("invalid RNDIS msg\n"));
+ hdr = data;
+
+ switch (hdr->rm_type) {
+ case REMOTE_NDIS_INITIALIZE_CMPLT:
+ case REMOTE_NDIS_QUERY_CMPLT:
+ case REMOTE_NDIS_SET_CMPLT:
+ case REMOTE_NDIS_KEEPALIVE_CMPLT: /* unused */
+ if (dlen < sizeof(*comp)) {
+ if_printf(sc->hn_ifp, "invalid RNDIS cmplt\n");
+ return;
+ }
+ comp = data;
+
+ KASSERT(comp->rm_rid > HN_RNDIS_RID_COMPAT_MAX,
+ ("invalid RNDIS rid 0x%08x\n", comp->rm_rid));
+ vmbus_xact_ctx_wakeup(sc->hn_xact, comp, dlen);
+ break;
+
+ case REMOTE_NDIS_RESET_CMPLT:
+ /*
+ * Reset completed, no rid.
+ *
+ * NOTE:
+ * RESET is not issued by hn(4), so this message should
+ * _not_ be observed.
+ */
+ if_printf(sc->hn_ifp, "RESET cmplt received\n");
+ break;
+
+ default:
+ if_printf(sc->hn_ifp, "unknown RNDIS msg 0x%x\n",
+ hdr->rm_type);
+ break;
+ }
+}
+
+int
+hn_rndis_get_eaddr(struct hn_softc *sc, uint8_t *eaddr)
+{
+ size_t eaddr_len;
+ int error;
+
+ eaddr_len = ETHER_ADDR_LEN;
+ error = hn_rndis_query(sc, OID_802_3_PERMANENT_ADDRESS, NULL, 0,
+ eaddr, &eaddr_len);
+ if (error)
+ return (error);
+ if (eaddr_len != ETHER_ADDR_LEN) {
+ if_printf(sc->hn_ifp, "invalid eaddr len %zu\n", eaddr_len);
+ return (EINVAL);
+ }
+ return (0);
+}
+
+int
+hn_rndis_get_linkstatus(struct hn_softc *sc, uint32_t *link_status)
+{
+ size_t size;
+ int error;
+
+ size = sizeof(*link_status);
+ error = hn_rndis_query(sc, OID_GEN_MEDIA_CONNECT_STATUS, NULL, 0,
+ link_status, &size);
+ if (error)
+ return (error);
+ if (size != sizeof(uint32_t)) {
+ if_printf(sc->hn_ifp, "invalid link status len %zu\n", size);
+ return (EINVAL);
+ }
+ return (0);
+}
+
+static const void *
+hn_rndis_xact_exec1(struct hn_softc *sc, struct vmbus_xact *xact, size_t reqlen,
+ struct hn_nvs_sendctx *sndc, size_t *comp_len)
+{
+ struct vmbus_gpa gpa[HN_XACT_REQ_PGCNT];
+ int gpa_cnt, error;
+ bus_addr_t paddr;
+
+ KASSERT(reqlen <= HN_XACT_REQ_SIZE && reqlen > 0,
+ ("invalid request length %zu", reqlen));
+
+ /*
+ * Setup the SG list.
+ */
+ paddr = vmbus_xact_req_paddr(xact);
+ KASSERT((paddr & PAGE_MASK) == 0,
+ ("vmbus xact request is not page aligned 0x%jx", (uintmax_t)paddr));
+ for (gpa_cnt = 0; gpa_cnt < HN_XACT_REQ_PGCNT; ++gpa_cnt) {
+ int len = PAGE_SIZE;
+
+ if (reqlen == 0)
+ break;
+ if (reqlen < len)
+ len = reqlen;
+
+ gpa[gpa_cnt].gpa_page = atop(paddr) + gpa_cnt;
+ gpa[gpa_cnt].gpa_len = len;
+ gpa[gpa_cnt].gpa_ofs = 0;
+
+ reqlen -= len;
+ }
+ KASSERT(reqlen == 0, ("still have %zu request data left", reqlen));
+
+ /*
+ * Send this RNDIS control message and wait for its completion
+ * message.
+ */
+ vmbus_xact_activate(xact);
+ error = hn_nvs_send_rndis_ctrl(sc->hn_prichan, sndc, gpa, gpa_cnt);
+ if (error) {
+ vmbus_xact_deactivate(xact);
+ if_printf(sc->hn_ifp, "RNDIS ctrl send failed: %d\n", error);
+ return (NULL);
+ }
+ return (vmbus_xact_wait(xact, comp_len));
+}
+
+static const void *
+hn_rndis_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, uint32_t rid,
+ size_t reqlen, size_t *comp_len0, uint32_t comp_type)
+{
+ const struct rndis_comp_hdr *comp;
+ size_t comp_len, min_complen = *comp_len0;
+
+ KASSERT(rid > HN_RNDIS_RID_COMPAT_MAX, ("invalid rid %u\n", rid));
+ KASSERT(min_complen >= sizeof(*comp),
+ ("invalid minimum complete len %zu", min_complen));
+
+ /*
+ * Execute the xact setup by the caller.
+ */
+ comp = hn_rndis_xact_exec1(sc, xact, reqlen, &hn_nvs_sendctx_none,
+ &comp_len);
+ if (comp == NULL)
+ return (NULL);
+
+ /*
+ * Check this RNDIS complete message.
+ */
+ if (comp_len < min_complen) {
+ if (comp_len >= sizeof(*comp)) {
+ /* rm_status field is valid */
+ if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu, "
+ "status 0x%08x\n", comp_len, comp->rm_status);
+ } else {
+ if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu\n",
+ comp_len);
+ }
+ return (NULL);
+ }
+ if (comp->rm_len < min_complen) {
+ if_printf(sc->hn_ifp, "invalid RNDIS comp msglen %u\n",
+ comp->rm_len);
+ return (NULL);
+ }
+ if (comp->rm_type != comp_type) {
+ if_printf(sc->hn_ifp, "unexpected RNDIS comp 0x%08x, "
+ "expect 0x%08x\n", comp->rm_type, comp_type);
+ return (NULL);
+ }
+ if (comp->rm_rid != rid) {
+ if_printf(sc->hn_ifp, "RNDIS comp rid mismatch %u, "
+ "expect %u\n", comp->rm_rid, rid);
+ return (NULL);
+ }
+ /* All pass! */
+ *comp_len0 = comp_len;
+ return (comp);
+}
+
+static int
+hn_rndis_query(struct hn_softc *sc, uint32_t oid,
+ const void *idata, size_t idlen, void *odata, size_t *odlen0)
+{
+
+ return (hn_rndis_query2(sc, oid, idata, idlen, odata, odlen0, *odlen0));
+}
+
+static int
+hn_rndis_query2(struct hn_softc *sc, uint32_t oid,
+ const void *idata, size_t idlen, void *odata, size_t *odlen0,
+ size_t min_odlen)
+{
+ struct rndis_query_req *req;
+ const struct rndis_query_comp *comp;
+ struct vmbus_xact *xact;
+ size_t reqlen, odlen = *odlen0, comp_len;
+ int error, ofs;
+ uint32_t rid;
+
+ reqlen = sizeof(*req) + idlen;
+ xact = vmbus_xact_get(sc->hn_xact, reqlen);
+ if (xact == NULL) {
+ if_printf(sc->hn_ifp, "no xact for RNDIS query 0x%08x\n", oid);
+ return (ENXIO);
+ }
+ rid = hn_rndis_rid(sc);
+ req = vmbus_xact_req_data(xact);
+ req->rm_type = REMOTE_NDIS_QUERY_MSG;
+ req->rm_len = reqlen;
+ req->rm_rid = rid;
+ req->rm_oid = oid;
+ /*
+ * XXX
+ * This is _not_ RNDIS Spec conforming:
+ * "This MUST be set to 0 when there is no input data
+ * associated with the OID."
+ *
+ * If this field was set to 0 according to the RNDIS Spec,
+ * Hyper-V would set non-SUCCESS status in the query
+ * completion.
+ */
+ req->rm_infobufoffset = RNDIS_QUERY_REQ_INFOBUFOFFSET;
+
+ if (idlen > 0) {
+ req->rm_infobuflen = idlen;
+ /* Input data immediately follows RNDIS query. */
+ memcpy(req + 1, idata, idlen);
+ }
+
+ comp_len = sizeof(*comp) + min_odlen;
+ comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
+ REMOTE_NDIS_QUERY_CMPLT);
+ if (comp == NULL) {
+ if_printf(sc->hn_ifp, "exec RNDIS query 0x%08x failed\n", oid);
+ error = EIO;
+ goto done;
+ }
+
+ if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
+ if_printf(sc->hn_ifp, "RNDIS query 0x%08x failed: "
+ "status 0x%08x\n", oid, comp->rm_status);
+ error = EIO;
+ goto done;
+ }
+ if (comp->rm_infobuflen == 0 || comp->rm_infobufoffset == 0) {
+ /* No output data! */
+ if_printf(sc->hn_ifp, "RNDIS query 0x%08x, no data\n", oid);
+ *odlen0 = 0;
+ error = 0;
+ goto done;
+ }
+
+ /*
+ * Check output data length and offset.
+ */
+ /* ofs is the offset from the beginning of comp. */
+ ofs = RNDIS_QUERY_COMP_INFOBUFOFFSET_ABS(comp->rm_infobufoffset);
+ if (ofs < sizeof(*comp) || ofs + comp->rm_infobuflen > comp_len) {
+ if_printf(sc->hn_ifp, "RNDIS query invalid comp ib off/len, "
+ "%u/%u\n", comp->rm_infobufoffset, comp->rm_infobuflen);
+ error = EINVAL;
+ goto done;
+ }
+
+ /*
+ * Save output data.
+ */
+ if (comp->rm_infobuflen < odlen)
+ odlen = comp->rm_infobuflen;
+ memcpy(odata, ((const uint8_t *)comp) + ofs, odlen);
+ *odlen0 = odlen;
+
+ error = 0;
+done:
+ vmbus_xact_put(xact);
+ return (error);
+}
+
+int
+hn_rndis_query_rsscaps(struct hn_softc *sc, int *rxr_cnt0)
+{
+ struct ndis_rss_caps in, caps;
+ size_t caps_len;
+ int error, indsz, rxr_cnt, hash_fnidx;
+ uint32_t hash_func = 0, hash_types = 0;
+
+ *rxr_cnt0 = 0;
+
+ if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_20)
+ return (EOPNOTSUPP);
+
+ memset(&in, 0, sizeof(in));
+ in.ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_CAPS;
+ in.ndis_hdr.ndis_rev = NDIS_RSS_CAPS_REV_2;
+ in.ndis_hdr.ndis_size = NDIS_RSS_CAPS_SIZE;
+
+ caps_len = NDIS_RSS_CAPS_SIZE;
+ error = hn_rndis_query2(sc, OID_GEN_RECEIVE_SCALE_CAPABILITIES,
+ &in, NDIS_RSS_CAPS_SIZE, &caps, &caps_len, NDIS_RSS_CAPS_SIZE_6_0);
+ if (error)
+ return (error);
+
+ /*
+ * Preliminary verification.
+ */
+ if (caps.ndis_hdr.ndis_type != NDIS_OBJTYPE_RSS_CAPS) {
+ if_printf(sc->hn_ifp, "invalid NDIS objtype 0x%02x\n",
+ caps.ndis_hdr.ndis_type);
+ return (EINVAL);
+ }
+ if (caps.ndis_hdr.ndis_rev < NDIS_RSS_CAPS_REV_1) {
+ if_printf(sc->hn_ifp, "invalid NDIS objrev 0x%02x\n",
+ caps.ndis_hdr.ndis_rev);
+ return (EINVAL);
+ }
+ if (caps.ndis_hdr.ndis_size > caps_len) {
+ if_printf(sc->hn_ifp, "invalid NDIS objsize %u, "
+ "data size %zu\n", caps.ndis_hdr.ndis_size, caps_len);
+ return (EINVAL);
+ } else if (caps.ndis_hdr.ndis_size < NDIS_RSS_CAPS_SIZE_6_0) {
+ if_printf(sc->hn_ifp, "invalid NDIS objsize %u\n",
+ caps.ndis_hdr.ndis_size);
+ return (EINVAL);
+ }
+
+ /*
+ * Save information for later RSS configuration.
+ */
+ if (caps.ndis_nrxr == 0) {
+ if_printf(sc->hn_ifp, "0 RX rings!?\n");
+ return (EINVAL);
+ }
+ if (bootverbose)
+ if_printf(sc->hn_ifp, "%u RX rings\n", caps.ndis_nrxr);
+ rxr_cnt = caps.ndis_nrxr;
+
+ if (caps.ndis_hdr.ndis_size == NDIS_RSS_CAPS_SIZE &&
+ caps.ndis_hdr.ndis_rev >= NDIS_RSS_CAPS_REV_2) {
+ if (caps.ndis_nind > NDIS_HASH_INDCNT) {
+ if_printf(sc->hn_ifp,
+ "too many RSS indirect table entries %u\n",
+ caps.ndis_nind);
+ return (EOPNOTSUPP);
+ }
+ if (!powerof2(caps.ndis_nind)) {
+ if_printf(sc->hn_ifp, "RSS indirect table size is not "
+ "power-of-2 %u\n", caps.ndis_nind);
+ }
+
+ if (bootverbose) {
+ if_printf(sc->hn_ifp, "RSS indirect table size %u\n",
+ caps.ndis_nind);
+ }
+ indsz = caps.ndis_nind;
+ } else {
+ indsz = NDIS_HASH_INDCNT;
+ }
+ if (indsz < rxr_cnt) {
+ if_printf(sc->hn_ifp, "# of RX rings (%d) > "
+ "RSS indirect table size %d\n", rxr_cnt, indsz);
+ rxr_cnt = indsz;
+ }
+
+ /*
+ * NOTE:
+ * Toeplitz is at the lowest bit, and it is prefered; so ffs(),
+ * instead of fls(), is used here.
+ */
+ hash_fnidx = ffs(caps.ndis_caps & NDIS_RSS_CAP_HASHFUNC_MASK);
+ if (hash_fnidx == 0) {
+ if_printf(sc->hn_ifp, "no hash functions, caps 0x%08x\n",
+ caps.ndis_caps);
+ return (EOPNOTSUPP);
+ }
+ hash_func = 1 << (hash_fnidx - 1); /* ffs is 1-based */
+
+ if (caps.ndis_caps & NDIS_RSS_CAP_IPV4)
+ hash_types |= NDIS_HASH_IPV4 | NDIS_HASH_TCP_IPV4;
+ if (caps.ndis_caps & NDIS_RSS_CAP_IPV6)
+ hash_types |= NDIS_HASH_IPV6 | NDIS_HASH_TCP_IPV6;
+ if (caps.ndis_caps & NDIS_RSS_CAP_IPV6_EX)
+ hash_types |= NDIS_HASH_IPV6_EX | NDIS_HASH_TCP_IPV6_EX;
+ if (hash_types == 0) {
+ if_printf(sc->hn_ifp, "no hash types, caps 0x%08x\n",
+ caps.ndis_caps);
+ return (EOPNOTSUPP);
+ }
+
+ /* Commit! */
+ sc->hn_rss_ind_size = indsz;
+ sc->hn_rss_hash = hash_func | hash_types;
+ *rxr_cnt0 = rxr_cnt;
+ return (0);
+}
+
+static int
+hn_rndis_set(struct hn_softc *sc, uint32_t oid, const void *data, size_t dlen)
+{
+ struct rndis_set_req *req;
+ const struct rndis_set_comp *comp;
+ struct vmbus_xact *xact;
+ size_t reqlen, comp_len;
+ uint32_t rid;
+ int error;
+
+ KASSERT(dlen > 0, ("invalid dlen %zu", dlen));
+
+ reqlen = sizeof(*req) + dlen;
+ xact = vmbus_xact_get(sc->hn_xact, reqlen);
+ if (xact == NULL) {
+ if_printf(sc->hn_ifp, "no xact for RNDIS set 0x%08x\n", oid);
+ return (ENXIO);
+ }
+ rid = hn_rndis_rid(sc);
+ req = vmbus_xact_req_data(xact);
+ req->rm_type = REMOTE_NDIS_SET_MSG;
+ req->rm_len = reqlen;
+ req->rm_rid = rid;
+ req->rm_oid = oid;
+ req->rm_infobuflen = dlen;
+ req->rm_infobufoffset = RNDIS_SET_REQ_INFOBUFOFFSET;
+ /* Data immediately follows RNDIS set. */
+ memcpy(req + 1, data, dlen);
+
+ comp_len = sizeof(*comp);
+ comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
+ REMOTE_NDIS_SET_CMPLT);
+ if (comp == NULL) {
+ if_printf(sc->hn_ifp, "exec RNDIS set 0x%08x failed\n", oid);
+ error = EIO;
+ goto done;
+ }
+
+ if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
+ if_printf(sc->hn_ifp, "RNDIS set 0x%08x failed: "
+ "status 0x%08x\n", oid, comp->rm_status);
+ error = EIO;
+ goto done;
+ }
+ error = 0;
+done:
+ vmbus_xact_put(xact);
+ return (error);
+}
+
+static int
+hn_rndis_conf_offload(struct hn_softc *sc, int mtu)
+{
+ struct ndis_offload hwcaps;
+ struct ndis_offload_params params;
+ uint32_t caps = 0;
+ size_t paramsz;
+ int error, tso_maxsz, tso_minsg;
+
+ error = hn_rndis_query_hwcaps(sc, &hwcaps);
+ if (error) {
+ if_printf(sc->hn_ifp, "hwcaps query failed: %d\n", error);
+ return (error);
+ }
+
+ /* NOTE: 0 means "no change" */
+ memset(¶ms, 0, sizeof(params));
+
+ params.ndis_hdr.ndis_type = NDIS_OBJTYPE_DEFAULT;
+ if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_30) {
+ params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_2;
+ paramsz = NDIS_OFFLOAD_PARAMS_SIZE_6_1;
+ } else {
+ params.ndis_hdr.ndis_rev = NDIS_OFFLOAD_PARAMS_REV_3;
+ paramsz = NDIS_OFFLOAD_PARAMS_SIZE;
+ }
+ params.ndis_hdr.ndis_size = paramsz;
+
+ /*
+ * TSO4/TSO6 setup.
+ */
+ tso_maxsz = IP_MAXPACKET;
+ tso_minsg = 2;
+ if (hwcaps.ndis_lsov2.ndis_ip4_encap & NDIS_OFFLOAD_ENCAP_8023) {
+ caps |= HN_CAP_TSO4;
+ params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_ON;
+
+ if (hwcaps.ndis_lsov2.ndis_ip4_maxsz < tso_maxsz)
+ tso_maxsz = hwcaps.ndis_lsov2.ndis_ip4_maxsz;
+ if (hwcaps.ndis_lsov2.ndis_ip4_minsg > tso_minsg)
+ tso_minsg = hwcaps.ndis_lsov2.ndis_ip4_minsg;
+ }
+ if ((hwcaps.ndis_lsov2.ndis_ip6_encap & NDIS_OFFLOAD_ENCAP_8023) &&
+ (hwcaps.ndis_lsov2.ndis_ip6_opts & HN_NDIS_LSOV2_CAP_IP6) ==
+ HN_NDIS_LSOV2_CAP_IP6) {
+#ifdef notyet
+ caps |= HN_CAP_TSO6;
+ params.ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_ON;
+
+ if (hwcaps.ndis_lsov2.ndis_ip6_maxsz < tso_maxsz)
+ tso_maxsz = hwcaps.ndis_lsov2.ndis_ip6_maxsz;
+ if (hwcaps.ndis_lsov2.ndis_ip6_minsg > tso_minsg)
+ tso_minsg = hwcaps.ndis_lsov2.ndis_ip6_minsg;
+#endif
+ }
+ sc->hn_ndis_tso_szmax = 0;
+ sc->hn_ndis_tso_sgmin = 0;
+ if (caps & (HN_CAP_TSO4 | HN_CAP_TSO6)) {
+ KASSERT(tso_maxsz <= IP_MAXPACKET,
+ ("invalid NDIS TSO maxsz %d", tso_maxsz));
+ KASSERT(tso_minsg >= 2,
+ ("invalid NDIS TSO minsg %d", tso_minsg));
+ if (tso_maxsz < tso_minsg * mtu) {
+ if_printf(sc->hn_ifp, "invalid NDIS TSO config: "
+ "maxsz %d, minsg %d, mtu %d; "
+ "disable TSO4 and TSO6\n",
+ tso_maxsz, tso_minsg, mtu);
+ caps &= ~(HN_CAP_TSO4 | HN_CAP_TSO6);
+ params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_OFF;
+ params.ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_OFF;
+ } else {
+ sc->hn_ndis_tso_szmax = tso_maxsz;
+ sc->hn_ndis_tso_sgmin = tso_minsg;
+ if (bootverbose) {
+ if_printf(sc->hn_ifp, "NDIS TSO "
+ "szmax %d sgmin %d\n",
+ sc->hn_ndis_tso_szmax,
+ sc->hn_ndis_tso_sgmin);
+ }
+ }
+ }
+
+ /* IPv4 checksum */
+ if ((hwcaps.ndis_csum.ndis_ip4_txcsum & HN_NDIS_TXCSUM_CAP_IP4) ==
+ HN_NDIS_TXCSUM_CAP_IP4) {
+ caps |= HN_CAP_IPCS;
+ params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TX;
+ }
+ if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_IP4) {
+ if (params.ndis_ip4csum == NDIS_OFFLOAD_PARAM_TX)
+ params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TXRX;
+ else
+ params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_RX;
+ }
+
+ /* TCP4 checksum */
+ if ((hwcaps.ndis_csum.ndis_ip4_txcsum & HN_NDIS_TXCSUM_CAP_TCP4) ==
+ HN_NDIS_TXCSUM_CAP_TCP4) {
+ caps |= HN_CAP_TCP4CS;
+ params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TX;
+ }
+ if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_TCP4) {
+ if (params.ndis_tcp4csum == NDIS_OFFLOAD_PARAM_TX)
+ params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TXRX;
+ else
+ params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_RX;
+ }
+
+ /* UDP4 checksum */
+ if (hwcaps.ndis_csum.ndis_ip4_txcsum & NDIS_TXCSUM_CAP_UDP4) {
+ caps |= HN_CAP_UDP4CS;
+ params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TX;
+ }
+ if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_UDP4) {
+ if (params.ndis_udp4csum == NDIS_OFFLOAD_PARAM_TX)
+ params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TXRX;
+ else
+ params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_RX;
+ }
+
+ /* TCP6 checksum */
+ if ((hwcaps.ndis_csum.ndis_ip6_txcsum & HN_NDIS_TXCSUM_CAP_TCP6) ==
+ HN_NDIS_TXCSUM_CAP_TCP6) {
+ caps |= HN_CAP_TCP6CS;
+ params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TX;
+ }
+ if (hwcaps.ndis_csum.ndis_ip6_rxcsum & NDIS_RXCSUM_CAP_TCP6) {
+ if (params.ndis_tcp6csum == NDIS_OFFLOAD_PARAM_TX)
+ params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TXRX;
+ else
+ params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_RX;
+ }
+
+ /* UDP6 checksum */
+ if ((hwcaps.ndis_csum.ndis_ip6_txcsum & HN_NDIS_TXCSUM_CAP_UDP6) ==
+ HN_NDIS_TXCSUM_CAP_UDP6) {
+ caps |= HN_CAP_UDP6CS;
+ params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TX;
+ }
+ if (hwcaps.ndis_csum.ndis_ip6_rxcsum & NDIS_RXCSUM_CAP_UDP6) {
+ if (params.ndis_udp6csum == NDIS_OFFLOAD_PARAM_TX)
+ params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TXRX;
+ else
+ params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_RX;
+ }
+
+ if (bootverbose) {
+ if_printf(sc->hn_ifp, "offload csum: "
+ "ip4 %u, tcp4 %u, udp4 %u, tcp6 %u, udp6 %u\n",
+ params.ndis_ip4csum,
+ params.ndis_tcp4csum,
+ params.ndis_udp4csum,
+ params.ndis_tcp6csum,
+ params.ndis_udp6csum);
+ if_printf(sc->hn_ifp, "offload lsov2: ip4 %u, ip6 %u\n",
+ params.ndis_lsov2_ip4,
+ params.ndis_lsov2_ip6);
+ }
+
+ error = hn_rndis_set(sc, OID_TCP_OFFLOAD_PARAMETERS, ¶ms, paramsz);
+ if (error) {
+ if_printf(sc->hn_ifp, "offload config failed: %d\n", error);
+ return (error);
+ }
+
+ if (bootverbose)
+ if_printf(sc->hn_ifp, "offload config done\n");
+ sc->hn_caps |= caps;
+ return (0);
+}
+
+int
+hn_rndis_conf_rss(struct hn_softc *sc, uint16_t flags)
+{
+ struct ndis_rssprm_toeplitz *rss = &sc->hn_rss;
+ struct ndis_rss_params *prm = &rss->rss_params;
+ int error, rss_size;
+
+ /*
+ * Only NDIS 6.20+ is supported:
+ * We only support 4bytes element in indirect table, which has been
+ * adopted since NDIS 6.20.
+ */
+ KASSERT(sc->hn_ndis_ver >= HN_NDIS_VERSION_6_20,
+ ("NDIS 6.20+ is required, NDIS version 0x%08x", sc->hn_ndis_ver));
+
+ /* XXX only one can be specified through, popcnt? */
+ KASSERT((sc->hn_rss_hash & NDIS_HASH_FUNCTION_MASK), ("no hash func"));
+ KASSERT((sc->hn_rss_hash & NDIS_HASH_TYPE_MASK), ("no hash types"));
+ KASSERT(sc->hn_rss_ind_size > 0, ("no indirect table size"));
+
+ if (bootverbose) {
+ if_printf(sc->hn_ifp, "RSS indirect table size %d, "
+ "hash 0x%08x\n", sc->hn_rss_ind_size, sc->hn_rss_hash);
+ }
+
+ /*
+ * NOTE:
+ * DO NOT whack rss_key and rss_ind, which are setup by the caller.
+ */
+ memset(prm, 0, sizeof(*prm));
+ rss_size = NDIS_RSSPRM_TOEPLITZ_SIZE(sc->hn_rss_ind_size);
+
+ prm->ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_PARAMS;
+ prm->ndis_hdr.ndis_rev = NDIS_RSS_PARAMS_REV_2;
+ prm->ndis_hdr.ndis_size = rss_size;
+ prm->ndis_flags = flags;
+ prm->ndis_hash = sc->hn_rss_hash;
+ prm->ndis_indsize = sizeof(rss->rss_ind[0]) * sc->hn_rss_ind_size;
+ prm->ndis_indoffset =
+ __offsetof(struct ndis_rssprm_toeplitz, rss_ind[0]);
+ prm->ndis_keysize = sizeof(rss->rss_key);
+ prm->ndis_keyoffset =
+ __offsetof(struct ndis_rssprm_toeplitz, rss_key[0]);
+
+ error = hn_rndis_set(sc, OID_GEN_RECEIVE_SCALE_PARAMETERS,
+ rss, rss_size);
+ if (error) {
+ if_printf(sc->hn_ifp, "RSS config failed: %d\n", error);
+ } else {
+ if (bootverbose)
+ if_printf(sc->hn_ifp, "RSS config done\n");
+ }
+ return (error);
+}
+
+int
+hn_rndis_set_rxfilter(struct hn_softc *sc, uint32_t filter)
+{
+ int error;
+
+ error = hn_rndis_set(sc, OID_GEN_CURRENT_PACKET_FILTER,
+ &filter, sizeof(filter));
+ if (error) {
+ if_printf(sc->hn_ifp, "set RX filter 0x%08x failed: %d\n",
+ filter, error);
+ } else {
+ if (bootverbose) {
+ if_printf(sc->hn_ifp, "set RX filter 0x%08x done\n",
+ filter);
+ }
+ }
+ return (error);
+}
+
+static int
+hn_rndis_init(struct hn_softc *sc)
+{
+ struct rndis_init_req *req;
+ const struct rndis_init_comp *comp;
+ struct vmbus_xact *xact;
+ size_t comp_len;
+ uint32_t rid;
+ int error;
+
+ xact = vmbus_xact_get(sc->hn_xact, sizeof(*req));
+ if (xact == NULL) {
+ if_printf(sc->hn_ifp, "no xact for RNDIS init\n");
+ return (ENXIO);
+ }
+ rid = hn_rndis_rid(sc);
+ req = vmbus_xact_req_data(xact);
+ req->rm_type = REMOTE_NDIS_INITIALIZE_MSG;
+ req->rm_len = sizeof(*req);
+ req->rm_rid = rid;
+ req->rm_ver_major = RNDIS_VERSION_MAJOR;
+ req->rm_ver_minor = RNDIS_VERSION_MINOR;
+ req->rm_max_xfersz = HN_RNDIS_XFER_SIZE;
+
+ comp_len = RNDIS_INIT_COMP_SIZE_MIN;
+ comp = hn_rndis_xact_execute(sc, xact, rid, sizeof(*req), &comp_len,
+ REMOTE_NDIS_INITIALIZE_CMPLT);
+ if (comp == NULL) {
+ if_printf(sc->hn_ifp, "exec RNDIS init failed\n");
+ error = EIO;
+ goto done;
+ }
+
+ if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
+ if_printf(sc->hn_ifp, "RNDIS init failed: status 0x%08x\n",
+ comp->rm_status);
+ error = EIO;
+ goto done;
+ }
+ if (bootverbose) {
+ if_printf(sc->hn_ifp, "RNDIS ver %u.%u, pktsz %u, pktcnt %u, "
+ "align %u\n", comp->rm_ver_major, comp->rm_ver_minor,
+ comp->rm_pktmaxsz, comp->rm_pktmaxcnt,
+ 1U << comp->rm_align);
+ }
+ error = 0;
+done:
+ vmbus_xact_put(xact);
+ return (error);
+}
+
+static int
+hn_rndis_halt(struct hn_softc *sc)
+{
+ struct vmbus_xact *xact;
+ struct rndis_halt_req *halt;
+ struct hn_nvs_sendctx sndc;
+ size_t comp_len;
+
+ xact = vmbus_xact_get(sc->hn_xact, sizeof(*halt));
+ if (xact == NULL) {
+ if_printf(sc->hn_ifp, "no xact for RNDIS halt\n");
+ return (ENXIO);
+ }
+ halt = vmbus_xact_req_data(xact);
+ halt->rm_type = REMOTE_NDIS_HALT_MSG;
+ halt->rm_len = sizeof(*halt);
+ halt->rm_rid = hn_rndis_rid(sc);
+
+ /* No RNDIS completion; rely on NVS message send completion */
+ hn_nvs_sendctx_init(&sndc, hn_nvs_sent_xact, xact);
+ hn_rndis_xact_exec1(sc, xact, sizeof(*halt), &sndc, &comp_len);
+
+ vmbus_xact_put(xact);
+ if (bootverbose)
+ if_printf(sc->hn_ifp, "RNDIS halt done\n");
+ return (0);
+}
+
+static int
+hn_rndis_query_hwcaps(struct hn_softc *sc, struct ndis_offload *caps)
+{
+ struct ndis_offload in;
+ size_t caps_len, size;
+ int error;
+
+ memset(&in, 0, sizeof(in));
+ in.ndis_hdr.ndis_type = NDIS_OBJTYPE_OFFLOAD;
+ if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_30) {
+ in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_3;
+ size = NDIS_OFFLOAD_SIZE;
+ } else if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_1) {
+ in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_2;
+ size = NDIS_OFFLOAD_SIZE_6_1;
+ } else {
+ in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_1;
+ size = NDIS_OFFLOAD_SIZE_6_0;
+ }
+ in.ndis_hdr.ndis_size = size;
+
+ caps_len = NDIS_OFFLOAD_SIZE;
+ error = hn_rndis_query2(sc, OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES,
+ &in, size, caps, &caps_len, NDIS_OFFLOAD_SIZE_6_0);
+ if (error)
+ return (error);
+
+ /*
+ * Preliminary verification.
+ */
+ if (caps->ndis_hdr.ndis_type != NDIS_OBJTYPE_OFFLOAD) {
+ if_printf(sc->hn_ifp, "invalid NDIS objtype 0x%02x\n",
+ caps->ndis_hdr.ndis_type);
+ return (EINVAL);
+ }
+ if (caps->ndis_hdr.ndis_rev < NDIS_OFFLOAD_REV_1) {
+ if_printf(sc->hn_ifp, "invalid NDIS objrev 0x%02x\n",
+ caps->ndis_hdr.ndis_rev);
+ return (EINVAL);
+ }
+ if (caps->ndis_hdr.ndis_size > caps_len) {
+ if_printf(sc->hn_ifp, "invalid NDIS objsize %u, "
+ "data size %zu\n", caps->ndis_hdr.ndis_size, caps_len);
+ return (EINVAL);
+ } else if (caps->ndis_hdr.ndis_size < NDIS_OFFLOAD_SIZE_6_0) {
+ if_printf(sc->hn_ifp, "invalid NDIS objsize %u\n",
+ caps->ndis_hdr.ndis_size);
+ return (EINVAL);
+ }
+
+ if (bootverbose) {
+ /*
+ * NOTE:
+ * caps->ndis_hdr.ndis_size MUST be checked before accessing
+ * NDIS 6.1+ specific fields.
+ */
+ if_printf(sc->hn_ifp, "hwcaps rev %u\n",
+ caps->ndis_hdr.ndis_rev);
+
+ if_printf(sc->hn_ifp, "hwcaps csum: "
+ "ip4 tx 0x%x/0x%x rx 0x%x/0x%x, "
+ "ip6 tx 0x%x/0x%x rx 0x%x/0x%x\n",
+ caps->ndis_csum.ndis_ip4_txcsum,
+ caps->ndis_csum.ndis_ip4_txenc,
+ caps->ndis_csum.ndis_ip4_rxcsum,
+ caps->ndis_csum.ndis_ip4_rxenc,
+ caps->ndis_csum.ndis_ip6_txcsum,
+ caps->ndis_csum.ndis_ip6_txenc,
+ caps->ndis_csum.ndis_ip6_rxcsum,
+ caps->ndis_csum.ndis_ip6_rxenc);
+ if_printf(sc->hn_ifp, "hwcaps lsov2: "
+ "ip4 maxsz %u minsg %u encap 0x%x, "
+ "ip6 maxsz %u minsg %u encap 0x%x opts 0x%x\n",
+ caps->ndis_lsov2.ndis_ip4_maxsz,
+ caps->ndis_lsov2.ndis_ip4_minsg,
+ caps->ndis_lsov2.ndis_ip4_encap,
+ caps->ndis_lsov2.ndis_ip6_maxsz,
+ caps->ndis_lsov2.ndis_ip6_minsg,
+ caps->ndis_lsov2.ndis_ip6_encap,
+ caps->ndis_lsov2.ndis_ip6_opts);
+ }
+ return (0);
+}
+
+int
+hn_rndis_attach(struct hn_softc *sc, int mtu)
+{
+ int error;
+
+ /*
+ * Initialize RNDIS.
+ */
+ error = hn_rndis_init(sc);
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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