1037 lines
28 KiB
C
1037 lines
28 KiB
C
/*-
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* Copyright (c) 2009-2012,2016-2017 Microsoft Corp.
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* Copyright (c) 2010-2012 Citrix Inc.
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* Copyright (c) 2012 NetApp Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_inet6.h"
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#include "opt_inet.h"
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/taskqueue.h>
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#include <machine/atomic.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_media.h>
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#include <net/rndis.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <netinet/tcp_lro.h>
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#include <dev/hyperv/include/hyperv.h>
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#include <dev/hyperv/include/hyperv_busdma.h>
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#include <dev/hyperv/include/vmbus.h>
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#include <dev/hyperv/include/vmbus_xact.h>
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#include <dev/hyperv/netvsc/ndis.h>
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#include <dev/hyperv/netvsc/if_hnreg.h>
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#include <dev/hyperv/netvsc/if_hnvar.h>
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#include <dev/hyperv/netvsc/hn_nvs.h>
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#include <dev/hyperv/netvsc/hn_rndis.h>
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#define HN_RNDIS_RID_COMPAT_MASK 0xffff
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#define HN_RNDIS_RID_COMPAT_MAX HN_RNDIS_RID_COMPAT_MASK
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#define HN_RNDIS_XFER_SIZE 2048
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#define HN_NDIS_TXCSUM_CAP_IP4 \
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(NDIS_TXCSUM_CAP_IP4 | NDIS_TXCSUM_CAP_IP4OPT)
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#define HN_NDIS_TXCSUM_CAP_TCP4 \
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(NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
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#define HN_NDIS_TXCSUM_CAP_TCP6 \
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(NDIS_TXCSUM_CAP_TCP6 | NDIS_TXCSUM_CAP_TCP6OPT | \
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NDIS_TXCSUM_CAP_IP6EXT)
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#define HN_NDIS_TXCSUM_CAP_UDP6 \
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(NDIS_TXCSUM_CAP_UDP6 | NDIS_TXCSUM_CAP_IP6EXT)
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#define HN_NDIS_LSOV2_CAP_IP6 \
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(NDIS_LSOV2_CAP_IP6EXT | NDIS_LSOV2_CAP_TCP6OPT)
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static const void *hn_rndis_xact_exec1(struct hn_softc *,
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struct vmbus_xact *, size_t,
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struct hn_nvs_sendctx *, size_t *);
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static const void *hn_rndis_xact_execute(struct hn_softc *,
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struct vmbus_xact *, uint32_t, size_t, size_t *,
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uint32_t);
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static int hn_rndis_query(struct hn_softc *, uint32_t,
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const void *, size_t, void *, size_t *);
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static int hn_rndis_query2(struct hn_softc *, uint32_t,
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const void *, size_t, void *, size_t *, size_t);
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static int hn_rndis_set(struct hn_softc *, uint32_t,
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const void *, size_t);
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static int hn_rndis_init(struct hn_softc *);
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static int hn_rndis_halt(struct hn_softc *);
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static int hn_rndis_conf_offload(struct hn_softc *, int);
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static int hn_rndis_query_hwcaps(struct hn_softc *,
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struct ndis_offload *);
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static __inline uint32_t
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hn_rndis_rid(struct hn_softc *sc)
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{
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uint32_t rid;
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again:
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rid = atomic_fetchadd_int(&sc->hn_rndis_rid, 1);
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if (rid == 0)
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goto again;
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/* Use upper 16 bits for non-compat RNDIS messages. */
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return ((rid & 0xffff) << 16);
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}
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void
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hn_rndis_rx_ctrl(struct hn_softc *sc, const void *data, int dlen)
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{
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const struct rndis_comp_hdr *comp;
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const struct rndis_msghdr *hdr;
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KASSERT(dlen >= sizeof(*hdr), ("invalid RNDIS msg\n"));
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hdr = data;
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switch (hdr->rm_type) {
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case REMOTE_NDIS_INITIALIZE_CMPLT:
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case REMOTE_NDIS_QUERY_CMPLT:
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case REMOTE_NDIS_SET_CMPLT:
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case REMOTE_NDIS_KEEPALIVE_CMPLT: /* unused */
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if (dlen < sizeof(*comp)) {
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if_printf(sc->hn_ifp, "invalid RNDIS cmplt\n");
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return;
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}
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comp = data;
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KASSERT(comp->rm_rid > HN_RNDIS_RID_COMPAT_MAX,
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("invalid RNDIS rid 0x%08x\n", comp->rm_rid));
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vmbus_xact_ctx_wakeup(sc->hn_xact, comp, dlen);
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break;
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case REMOTE_NDIS_RESET_CMPLT:
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/*
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* Reset completed, no rid.
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*
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* NOTE:
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* RESET is not issued by hn(4), so this message should
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* _not_ be observed.
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*/
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if_printf(sc->hn_ifp, "RESET cmplt received\n");
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break;
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default:
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if_printf(sc->hn_ifp, "unknown RNDIS msg 0x%x\n",
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hdr->rm_type);
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break;
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}
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}
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int
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hn_rndis_get_eaddr(struct hn_softc *sc, uint8_t *eaddr)
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{
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size_t eaddr_len;
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int error;
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eaddr_len = ETHER_ADDR_LEN;
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error = hn_rndis_query(sc, OID_802_3_PERMANENT_ADDRESS, NULL, 0,
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eaddr, &eaddr_len);
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if (error)
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return (error);
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if (eaddr_len != ETHER_ADDR_LEN) {
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if_printf(sc->hn_ifp, "invalid eaddr len %zu\n", eaddr_len);
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return (EINVAL);
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}
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return (0);
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}
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int
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hn_rndis_get_linkstatus(struct hn_softc *sc, uint32_t *link_status)
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{
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size_t size;
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int error;
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size = sizeof(*link_status);
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error = hn_rndis_query(sc, OID_GEN_MEDIA_CONNECT_STATUS, NULL, 0,
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link_status, &size);
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if (error)
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return (error);
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if (size != sizeof(uint32_t)) {
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if_printf(sc->hn_ifp, "invalid link status len %zu\n", size);
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return (EINVAL);
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}
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return (0);
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}
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int
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hn_rndis_get_mtu(struct hn_softc *sc, uint32_t *mtu)
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{
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size_t size;
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int error;
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size = sizeof(*mtu);
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error = hn_rndis_query(sc, OID_GEN_MAXIMUM_FRAME_SIZE, NULL, 0,
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mtu, &size);
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if (error)
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return (error);
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if (size != sizeof(uint32_t)) {
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if_printf(sc->hn_ifp, "invalid mtu len %zu\n", size);
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return (EINVAL);
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}
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return (0);
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}
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static const void *
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hn_rndis_xact_exec1(struct hn_softc *sc, struct vmbus_xact *xact, size_t reqlen,
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struct hn_nvs_sendctx *sndc, size_t *comp_len)
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{
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struct vmbus_gpa gpa[HN_XACT_REQ_PGCNT];
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int gpa_cnt, error;
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bus_addr_t paddr;
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KASSERT(reqlen <= HN_XACT_REQ_SIZE && reqlen > 0,
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("invalid request length %zu", reqlen));
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/*
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* Setup the SG list.
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*/
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paddr = vmbus_xact_req_paddr(xact);
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KASSERT((paddr & PAGE_MASK) == 0,
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("vmbus xact request is not page aligned 0x%jx", (uintmax_t)paddr));
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for (gpa_cnt = 0; gpa_cnt < HN_XACT_REQ_PGCNT; ++gpa_cnt) {
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int len = PAGE_SIZE;
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if (reqlen == 0)
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break;
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if (reqlen < len)
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len = reqlen;
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gpa[gpa_cnt].gpa_page = atop(paddr) + gpa_cnt;
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gpa[gpa_cnt].gpa_len = len;
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gpa[gpa_cnt].gpa_ofs = 0;
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reqlen -= len;
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}
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KASSERT(reqlen == 0, ("still have %zu request data left", reqlen));
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/*
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* Send this RNDIS control message and wait for its completion
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* message.
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*/
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vmbus_xact_activate(xact);
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error = hn_nvs_send_rndis_ctrl(sc->hn_prichan, sndc, gpa, gpa_cnt);
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if (error) {
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vmbus_xact_deactivate(xact);
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if_printf(sc->hn_ifp, "RNDIS ctrl send failed: %d\n", error);
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return (NULL);
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}
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return (vmbus_chan_xact_wait(sc->hn_prichan, xact, comp_len,
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HN_CAN_SLEEP(sc)));
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}
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static const void *
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hn_rndis_xact_execute(struct hn_softc *sc, struct vmbus_xact *xact, uint32_t rid,
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size_t reqlen, size_t *comp_len0, uint32_t comp_type)
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{
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const struct rndis_comp_hdr *comp;
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size_t comp_len, min_complen = *comp_len0;
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KASSERT(rid > HN_RNDIS_RID_COMPAT_MAX, ("invalid rid %u\n", rid));
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KASSERT(min_complen >= sizeof(*comp),
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("invalid minimum complete len %zu", min_complen));
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/*
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* Execute the xact setup by the caller.
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*/
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comp = hn_rndis_xact_exec1(sc, xact, reqlen, &hn_nvs_sendctx_none,
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&comp_len);
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if (comp == NULL)
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return (NULL);
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/*
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* Check this RNDIS complete message.
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*/
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if (comp_len < min_complen) {
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if (comp_len >= sizeof(*comp)) {
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/* rm_status field is valid */
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if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu, "
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"status 0x%08x\n", comp_len, comp->rm_status);
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} else {
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if_printf(sc->hn_ifp, "invalid RNDIS comp len %zu\n",
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comp_len);
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}
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return (NULL);
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}
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if (comp->rm_len < min_complen) {
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if_printf(sc->hn_ifp, "invalid RNDIS comp msglen %u\n",
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comp->rm_len);
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return (NULL);
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}
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if (comp->rm_type != comp_type) {
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if_printf(sc->hn_ifp, "unexpected RNDIS comp 0x%08x, "
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"expect 0x%08x\n", comp->rm_type, comp_type);
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return (NULL);
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}
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if (comp->rm_rid != rid) {
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if_printf(sc->hn_ifp, "RNDIS comp rid mismatch %u, "
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"expect %u\n", comp->rm_rid, rid);
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return (NULL);
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}
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/* All pass! */
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*comp_len0 = comp_len;
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return (comp);
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}
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static int
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hn_rndis_query(struct hn_softc *sc, uint32_t oid,
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const void *idata, size_t idlen, void *odata, size_t *odlen0)
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{
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return (hn_rndis_query2(sc, oid, idata, idlen, odata, odlen0, *odlen0));
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}
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static int
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hn_rndis_query2(struct hn_softc *sc, uint32_t oid,
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const void *idata, size_t idlen, void *odata, size_t *odlen0,
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size_t min_odlen)
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{
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struct rndis_query_req *req;
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const struct rndis_query_comp *comp;
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struct vmbus_xact *xact;
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size_t reqlen, odlen = *odlen0, comp_len;
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int error, ofs;
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uint32_t rid;
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reqlen = sizeof(*req) + idlen;
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xact = vmbus_xact_get(sc->hn_xact, reqlen);
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if (xact == NULL) {
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if_printf(sc->hn_ifp, "no xact for RNDIS query 0x%08x\n", oid);
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return (ENXIO);
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}
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rid = hn_rndis_rid(sc);
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req = vmbus_xact_req_data(xact);
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req->rm_type = REMOTE_NDIS_QUERY_MSG;
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req->rm_len = reqlen;
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req->rm_rid = rid;
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req->rm_oid = oid;
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/*
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* XXX
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* This is _not_ RNDIS Spec conforming:
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* "This MUST be set to 0 when there is no input data
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* associated with the OID."
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*
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* If this field was set to 0 according to the RNDIS Spec,
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* Hyper-V would set non-SUCCESS status in the query
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* completion.
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*/
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req->rm_infobufoffset = RNDIS_QUERY_REQ_INFOBUFOFFSET;
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if (idlen > 0) {
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req->rm_infobuflen = idlen;
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/* Input data immediately follows RNDIS query. */
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memcpy(req + 1, idata, idlen);
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}
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comp_len = sizeof(*comp) + min_odlen;
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comp = hn_rndis_xact_execute(sc, xact, rid, reqlen, &comp_len,
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REMOTE_NDIS_QUERY_CMPLT);
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if (comp == NULL) {
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if_printf(sc->hn_ifp, "exec RNDIS query 0x%08x failed\n", oid);
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error = EIO;
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goto done;
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}
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if (comp->rm_status != RNDIS_STATUS_SUCCESS) {
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if_printf(sc->hn_ifp, "RNDIS query 0x%08x failed: "
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"status 0x%08x\n", oid, comp->rm_status);
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error = EIO;
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goto done;
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}
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if (comp->rm_infobuflen == 0 || comp->rm_infobufoffset == 0) {
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/* No output data! */
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if_printf(sc->hn_ifp, "RNDIS query 0x%08x, no data\n", oid);
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*odlen0 = 0;
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error = 0;
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goto done;
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}
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/*
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* Check output data length and offset.
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*/
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/* ofs is the offset from the beginning of comp. */
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ofs = RNDIS_QUERY_COMP_INFOBUFOFFSET_ABS(comp->rm_infobufoffset);
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if (ofs < sizeof(*comp) || ofs + comp->rm_infobuflen > comp_len) {
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if_printf(sc->hn_ifp, "RNDIS query invalid comp ib off/len, "
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"%u/%u\n", comp->rm_infobufoffset, comp->rm_infobuflen);
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error = EINVAL;
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goto done;
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}
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/*
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* Save output data.
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*/
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if (comp->rm_infobuflen < odlen)
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odlen = comp->rm_infobuflen;
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memcpy(odata, ((const uint8_t *)comp) + ofs, odlen);
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*odlen0 = odlen;
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error = 0;
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done:
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vmbus_xact_put(xact);
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return (error);
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}
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int
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hn_rndis_query_rsscaps(struct hn_softc *sc, int *rxr_cnt0)
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{
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struct ndis_rss_caps in, caps;
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size_t caps_len;
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int error, indsz, rxr_cnt, hash_fnidx;
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uint32_t hash_func = 0, hash_types = 0;
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*rxr_cnt0 = 0;
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|
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if (sc->hn_ndis_ver < HN_NDIS_VERSION_6_20)
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return (EOPNOTSUPP);
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|
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memset(&in, 0, sizeof(in));
|
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in.ndis_hdr.ndis_type = NDIS_OBJTYPE_RSS_CAPS;
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in.ndis_hdr.ndis_rev = NDIS_RSS_CAPS_REV_2;
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in.ndis_hdr.ndis_size = NDIS_RSS_CAPS_SIZE;
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caps_len = NDIS_RSS_CAPS_SIZE;
|
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error = hn_rndis_query2(sc, OID_GEN_RECEIVE_SCALE_CAPABILITIES,
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&in, NDIS_RSS_CAPS_SIZE, &caps, &caps_len, NDIS_RSS_CAPS_SIZE_6_0);
|
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if (error)
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return (error);
|
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|
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/*
|
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* Preliminary verification.
|
|
*/
|
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if (caps.ndis_hdr.ndis_type != NDIS_OBJTYPE_RSS_CAPS) {
|
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if_printf(sc->hn_ifp, "invalid NDIS objtype 0x%02x\n",
|
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caps.ndis_hdr.ndis_type);
|
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return (EINVAL);
|
|
}
|
|
if (caps.ndis_hdr.ndis_rev < NDIS_RSS_CAPS_REV_1) {
|
|
if_printf(sc->hn_ifp, "invalid NDIS objrev 0x%02x\n",
|
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caps.ndis_hdr.ndis_rev);
|
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return (EINVAL);
|
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}
|
|
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);
|
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return (EINVAL);
|
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} else if (caps.ndis_hdr.ndis_size < NDIS_RSS_CAPS_SIZE_6_0) {
|
|
if_printf(sc->hn_ifp, "invalid NDIS objsize %u\n",
|
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caps.ndis_hdr.ndis_size);
|
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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);
|
|
}
|
|
if (bootverbose)
|
|
if_printf(sc->hn_ifp, "RSS caps %#x\n", caps.ndis_caps);
|
|
|
|
/* Commit! */
|
|
sc->hn_rss_ind_size = indsz;
|
|
sc->hn_rss_hcap = hash_func | hash_types;
|
|
if (sc->hn_caps & HN_CAP_UDPHASH) {
|
|
/* UDP 4-tuple hash is unconditionally enabled. */
|
|
sc->hn_rss_hcap |= NDIS_HASH_UDP_IPV4_X;
|
|
}
|
|
*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) {
|
|
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;
|
|
}
|
|
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 %08x", sc->hn_rss_hash));
|
|
KASSERT((sc->hn_rss_hash & NDIS_HASH_STD),
|
|
("no standard hash types %08x", sc->hn_rss_hash));
|
|
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 &
|
|
(NDIS_HASH_FUNCTION_MASK | NDIS_HASH_STD);
|
|
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;
|
|
}
|
|
sc->hn_rndis_agg_size = comp->rm_pktmaxsz;
|
|
sc->hn_rndis_agg_pkts = comp->rm_pktmaxcnt;
|
|
sc->hn_rndis_agg_align = 1U << comp->rm_align;
|
|
|
|
if (sc->hn_rndis_agg_align < sizeof(uint32_t)) {
|
|
/*
|
|
* The RNDIS packet messsage encap assumes that the RNDIS
|
|
* packet message is at least 4 bytes aligned. Fix up the
|
|
* alignment here, if the remote side sets the alignment
|
|
* too low.
|
|
*/
|
|
if_printf(sc->hn_ifp, "fixup RNDIS aggpkt align: %u -> %zu\n",
|
|
sc->hn_rndis_agg_align, sizeof(uint32_t));
|
|
sc->hn_rndis_agg_align = sizeof(uint32_t);
|
|
}
|
|
|
|
if (bootverbose) {
|
|
if_printf(sc->hn_ifp, "RNDIS ver %u.%u, "
|
|
"aggpkt size %u, aggpkt cnt %u, aggpkt align %u\n",
|
|
comp->rm_ver_major, comp->rm_ver_minor,
|
|
sc->hn_rndis_agg_size, sc->hn_rndis_agg_pkts,
|
|
sc->hn_rndis_agg_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 *init_done)
|
|
{
|
|
int error;
|
|
|
|
*init_done = 0;
|
|
|
|
/*
|
|
* Initialize RNDIS.
|
|
*/
|
|
error = hn_rndis_init(sc);
|
|
if (error)
|
|
return (error);
|
|
*init_done = 1;
|
|
|
|
/*
|
|
* Configure NDIS offload settings.
|
|
*/
|
|
hn_rndis_conf_offload(sc, mtu);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
hn_rndis_detach(struct hn_softc *sc)
|
|
{
|
|
|
|
/* Halt the RNDIS. */
|
|
hn_rndis_halt(sc);
|
|
}
|