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https://git.FreeBSD.org/src.git
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hyperv/hn: Fix checksum offload settings
The _correct_ way to identify the supported checksum offloading and TSO parameters is to query OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES. MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8088
This commit is contained in:
Sepherosa Ziehau
parent
996aa941bf
commit
65ca331080
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=306936
@ -68,6 +68,16 @@ __FBSDID("$FreeBSD$");
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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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/*
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* Forward declarations
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*/
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@ -78,9 +88,14 @@ static void hv_rf_receive_data(struct hn_rx_ring *rxr,
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static int 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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static int 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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static int hn_rndis_set(struct hn_softc *sc, uint32_t oid, const void *data,
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size_t dlen);
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static int hn_rndis_conf_offload(struct hn_softc *sc);
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static int hn_rndis_query_hwcaps(struct hn_softc *sc,
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struct ndis_offload *caps);
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static __inline uint32_t
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hn_rndis_rid(struct hn_softc *sc)
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@ -624,6 +639,15 @@ 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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@ -661,7 +685,7 @@ hn_rndis_query(struct hn_softc *sc, uint32_t oid,
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memcpy(req + 1, idata, idlen);
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}
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comp_len = sizeof(*comp) + odlen;
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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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@ -808,11 +832,18 @@ hn_rndis_set(struct hn_softc *sc, uint32_t oid, const void *data, size_t dlen)
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static int
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hn_rndis_conf_offload(struct hn_softc *sc)
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{
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struct ndis_offload hwcaps;
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struct ndis_offload_params params;
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uint32_t caps;
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uint32_t caps = 0;
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size_t paramsz;
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int error;
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error = hn_rndis_query_hwcaps(sc, &hwcaps);
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if (error) {
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if_printf(sc->hn_ifp, "hwcaps query failed: %d\n", error);
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return (error);
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}
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/* NOTE: 0 means "no change" */
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memset(¶ms, 0, sizeof(params));
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@ -826,18 +857,96 @@ hn_rndis_conf_offload(struct hn_softc *sc)
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}
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params.ndis_hdr.ndis_size = paramsz;
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caps = HN_CAP_IPCS | HN_CAP_TCP4CS | HN_CAP_TCP6CS;
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params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TXRX;
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params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TXRX;
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params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TXRX;
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if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_30) {
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caps |= HN_CAP_UDP4CS | HN_CAP_UDP6CS;
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params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TXRX;
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params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TXRX;
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/* TSO */
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if (hwcaps.ndis_lsov2.ndis_ip4_encap & NDIS_OFFLOAD_ENCAP_8023) {
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caps |= HN_CAP_TSO4;
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params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_ON;
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/* TODO: tso_max */
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}
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if (hwcaps.ndis_lsov2.ndis_ip6_encap & NDIS_OFFLOAD_ENCAP_8023) {
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#ifdef notyet
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caps |= HN_CAP_TSO6;
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params.ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_ON;
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#endif
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/* TODO: tso_max */
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}
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/* IPv4 checksum */
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if ((hwcaps.ndis_csum.ndis_ip4_txcsum & HN_NDIS_TXCSUM_CAP_IP4) ==
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HN_NDIS_TXCSUM_CAP_IP4) {
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caps |= HN_CAP_IPCS;
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params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TX;
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}
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if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_IP4) {
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if (params.ndis_ip4csum == NDIS_OFFLOAD_PARAM_TX)
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params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_TXRX;
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else
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params.ndis_ip4csum = NDIS_OFFLOAD_PARAM_RX;
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}
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/* TCP4 checksum */
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if ((hwcaps.ndis_csum.ndis_ip4_txcsum & HN_NDIS_TXCSUM_CAP_TCP4) ==
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HN_NDIS_TXCSUM_CAP_TCP4) {
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caps |= HN_CAP_TCP4CS;
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params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TX;
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}
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if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_TCP4) {
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if (params.ndis_tcp4csum == NDIS_OFFLOAD_PARAM_TX)
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params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_TXRX;
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else
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params.ndis_tcp4csum = NDIS_OFFLOAD_PARAM_RX;
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}
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/* UDP4 checksum */
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if (hwcaps.ndis_csum.ndis_ip4_txcsum & NDIS_TXCSUM_CAP_UDP4) {
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caps |= HN_CAP_UDP4CS;
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params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TX;
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}
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if (hwcaps.ndis_csum.ndis_ip4_rxcsum & NDIS_RXCSUM_CAP_UDP4) {
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if (params.ndis_udp4csum == NDIS_OFFLOAD_PARAM_TX)
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params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_TXRX;
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else
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params.ndis_udp4csum = NDIS_OFFLOAD_PARAM_RX;
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}
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/* TCP6 checksum */
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if ((hwcaps.ndis_csum.ndis_ip6_txcsum & HN_NDIS_TXCSUM_CAP_TCP6) ==
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HN_NDIS_TXCSUM_CAP_TCP6) {
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caps |= HN_CAP_TCP6CS;
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params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TX;
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}
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if (hwcaps.ndis_csum.ndis_ip6_rxcsum & NDIS_RXCSUM_CAP_TCP6) {
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if (params.ndis_tcp6csum == NDIS_OFFLOAD_PARAM_TX)
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params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_TXRX;
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else
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params.ndis_tcp6csum = NDIS_OFFLOAD_PARAM_RX;
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}
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/* UDP6 checksum */
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if ((hwcaps.ndis_csum.ndis_ip6_txcsum & HN_NDIS_TXCSUM_CAP_UDP6) ==
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HN_NDIS_TXCSUM_CAP_UDP6) {
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caps |= HN_CAP_UDP6CS;
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params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TX;
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}
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if (hwcaps.ndis_csum.ndis_ip6_rxcsum & NDIS_RXCSUM_CAP_UDP6) {
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if (params.ndis_udp6csum == NDIS_OFFLOAD_PARAM_TX)
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params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_TXRX;
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else
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params.ndis_udp6csum = NDIS_OFFLOAD_PARAM_RX;
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}
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if (bootverbose) {
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if_printf(sc->hn_ifp, "offload csum: "
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"ip4 %u, tcp4 %u, udp4 %u, tcp6 %u, udp6 %u\n",
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params.ndis_ip4csum,
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params.ndis_tcp4csum,
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params.ndis_udp4csum,
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params.ndis_tcp6csum,
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params.ndis_udp6csum);
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if_printf(sc->hn_ifp, "offload lsov2: ip4 %u, ip6 %u\n",
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params.ndis_lsov2_ip4,
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params.ndis_lsov2_ip6);
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}
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caps |= HN_CAP_TSO4;
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params.ndis_lsov2_ip4 = NDIS_OFFLOAD_LSOV2_ON;
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/* XXX ndis_lsov2_ip6 = NDIS_OFFLOAD_LSOV2_ON */
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error = hn_rndis_set(sc, OID_TCP_OFFLOAD_PARAMETERS, ¶ms, paramsz);
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if (error) {
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@ -994,6 +1103,88 @@ hn_rndis_halt(struct hn_softc *sc)
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return (0);
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}
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static int
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hn_rndis_query_hwcaps(struct hn_softc *sc, struct ndis_offload *caps)
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{
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struct ndis_offload in;
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size_t caps_len, size;
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int error;
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memset(&in, 0, sizeof(in));
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in.ndis_hdr.ndis_type = NDIS_OBJTYPE_OFFLOAD;
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if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_30) {
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in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_3;
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size = NDIS_OFFLOAD_SIZE;
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} else if (sc->hn_ndis_ver >= HN_NDIS_VERSION_6_1) {
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in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_2;
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size = NDIS_OFFLOAD_SIZE_2;
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} else {
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in.ndis_hdr.ndis_rev = NDIS_OFFLOAD_REV_1;
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size = NDIS_OFFLOAD_SIZE_1;
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}
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in.ndis_hdr.ndis_size = size;
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caps_len = NDIS_OFFLOAD_SIZE;
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error = hn_rndis_query2(sc, OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES,
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&in, size, caps, &caps_len, NDIS_OFFLOAD_SIZE_1);
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if (error)
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return (error);
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/*
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* Preliminary verification.
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*/
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if (caps->ndis_hdr.ndis_type != NDIS_OBJTYPE_OFFLOAD) {
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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);
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}
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if (caps->ndis_hdr.ndis_rev < NDIS_OFFLOAD_REV_1) {
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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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}
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if (caps->ndis_hdr.ndis_size > caps_len) {
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if_printf(sc->hn_ifp, "invalid NDIS objsize %u, "
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"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_OFFLOAD_SIZE_1) {
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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);
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}
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if (bootverbose) {
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/*
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* Fields for NDIS 6.0 are accessable.
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*/
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if_printf(sc->hn_ifp, "hwcaps rev %u\n",
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caps->ndis_hdr.ndis_rev);
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if_printf(sc->hn_ifp, "hwcaps csum: "
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"ip4 tx 0x%x/0x%x rx 0x%x/0x%x, "
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"ip6 tx 0x%x/0x%x rx 0x%x/0x%x\n",
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caps->ndis_csum.ndis_ip4_txcsum,
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caps->ndis_csum.ndis_ip4_txenc,
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caps->ndis_csum.ndis_ip4_rxcsum,
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caps->ndis_csum.ndis_ip4_rxenc,
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caps->ndis_csum.ndis_ip6_txcsum,
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caps->ndis_csum.ndis_ip6_txenc,
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caps->ndis_csum.ndis_ip6_rxcsum,
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caps->ndis_csum.ndis_ip6_rxenc);
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if_printf(sc->hn_ifp, "hwcaps lsov2: "
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"ip4 maxsz %u minsg %u encap 0x%x, "
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"ip6 maxsz %u minsg %u encap 0x%x opts 0x%x\n",
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caps->ndis_lsov2.ndis_ip4_maxsz,
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caps->ndis_lsov2.ndis_ip4_minsg,
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caps->ndis_lsov2.ndis_ip4_encap,
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caps->ndis_lsov2.ndis_ip6_maxsz,
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caps->ndis_lsov2.ndis_ip6_minsg,
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caps->ndis_lsov2.ndis_ip6_encap,
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caps->ndis_lsov2.ndis_ip6_opts);
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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_attach(struct hn_softc *sc)
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{
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@ -59,6 +59,7 @@
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#define NDIS_OBJTYPE_DEFAULT 0x80
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#define NDIS_OBJTYPE_RSS_CAPS 0x88
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#define NDIS_OBJTYPE_RSS_PARAMS 0x89
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#define NDIS_OBJTYPE_OFFLOAD 0xa7
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struct ndis_object_hdr {
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uint8_t ndis_type; /* NDIS_OBJTYPE_ */
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@ -204,6 +205,129 @@ struct ndis_rssprm_toeplitz {
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uint32_t rss_ind[NDIS_HASH_INDCNT];
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};
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/*
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* OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
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* ndis_type: NDIS_OBJTYPE_OFFLOAD
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*/
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#define NDIS_OFFLOAD_ENCAP_NONE 0x0000
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#define NDIS_OFFLOAD_ENCAP_NULL 0x0001
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#define NDIS_OFFLOAD_ENCAP_8023 0x0002
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#define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004
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#define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008
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#define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010
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struct ndis_csum_offload {
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uint32_t ndis_ip4_txenc; /*NDIS_OFFLOAD_ENCAP_*/
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uint32_t ndis_ip4_txcsum;
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#define NDIS_TXCSUM_CAP_IP4OPT 0x001
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#define NDIS_TXCSUM_CAP_TCP4OPT 0x004
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#define NDIS_TXCSUM_CAP_TCP4 0x010
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#define NDIS_TXCSUM_CAP_UDP4 0x040
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#define NDIS_TXCSUM_CAP_IP4 0x100
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uint32_t ndis_ip4_rxenc; /*NDIS_OFFLOAD_ENCAP_*/
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uint32_t ndis_ip4_rxcsum;
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#define NDIS_RXCSUM_CAP_IP4OPT 0x001
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#define NDIS_RXCSUM_CAP_TCP4OPT 0x004
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#define NDIS_RXCSUM_CAP_TCP4 0x010
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#define NDIS_RXCSUM_CAP_UDP4 0x040
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#define NDIS_RXCSUM_CAP_IP4 0x100
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uint32_t ndis_ip6_txenc; /*NDIS_OFFLOAD_ENCAP_*/
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uint32_t ndis_ip6_txcsum;
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#define NDIS_TXCSUM_CAP_IP6EXT 0x001
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#define NDIS_TXCSUM_CAP_TCP6OPT 0x004
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#define NDIS_TXCSUM_CAP_TCP6 0x010
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#define NDIS_TXCSUM_CAP_UDP6 0x040
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uint32_t ndis_ip6_rxenc; /*NDIS_OFFLOAD_ENCAP_*/
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uint32_t ndis_ip6_rxcsum;
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#define NDIS_RXCSUM_CAP_IP6EXT 0x001
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#define NDIS_RXCSUM_CAP_TCP6OPT 0x004
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#define NDIS_RXCSUM_CAP_TCP6 0x010
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#define NDIS_RXCSUM_CAP_UDP6 0x040
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};
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struct ndis_lsov1_offload {
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uint32_t ndis_encap; /*NDIS_OFFLOAD_ENCAP_*/
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uint32_t ndis_maxsize;
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uint32_t ndis_minsegs;
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uint32_t ndis_opts;
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};
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struct ndis_ipsecv1_offload {
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uint32_t ndis_encap; /*NDIS_OFFLOAD_ENCAP_*/
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uint32_t ndis_ah_esp;
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uint32_t ndis_xport_tun;
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uint32_t ndis_ip4_opts;
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uint32_t ndis_flags;
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uint32_t ndis_ip4_ah;
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uint32_t ndis_ip4_esp;
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};
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struct ndis_lsov2_offload {
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uint32_t ndis_ip4_encap; /*NDIS_OFFLOAD_ENCAP_*/
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uint32_t ndis_ip4_maxsz;
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uint32_t ndis_ip4_minsg;
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uint32_t ndis_ip6_encap; /*NDIS_OFFLOAD_ENCAP_*/
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uint32_t ndis_ip6_maxsz;
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uint32_t ndis_ip6_minsg;
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uint32_t ndis_ip6_opts;
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#define NDIS_LSOV2_CAP_IP6EXT 0x001
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#define NDIS_LSOV2_CAP_TCP6OPT 0x004
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};
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struct ndis_ipsecv2_offload {
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uint32_t ndis_encap; /*NDIS_OFFLOAD_ENCAP_*/
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uint16_t ndis_ip6;
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uint16_t ndis_ip4opt;
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uint16_t ndis_ip6ext;
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||||
uint16_t ndis_ah;
|
||||
uint16_t ndis_esp;
|
||||
uint16_t ndis_ah_esp;
|
||||
uint16_t ndis_xport;
|
||||
uint16_t ndis_tun;
|
||||
uint16_t ndis_xport_tun;
|
||||
uint16_t ndis_lso;
|
||||
uint16_t ndis_extseq;
|
||||
uint32_t ndis_udp_esp;
|
||||
uint32_t ndis_auth;
|
||||
uint32_t ndis_crypto;
|
||||
uint32_t ndis_sa_caps;
|
||||
};
|
||||
|
||||
struct ndis_rsc_offload {
|
||||
uint16_t ndis_ip4;
|
||||
uint16_t ndis_ip6;
|
||||
};
|
||||
|
||||
struct ndis_encap_offload {
|
||||
uint32_t ndis_flags;
|
||||
uint32_t ndis_maxhdr;
|
||||
};
|
||||
|
||||
struct ndis_offload {
|
||||
struct ndis_object_hdr ndis_hdr;
|
||||
struct ndis_csum_offload ndis_csum;
|
||||
struct ndis_lsov1_offload ndis_lsov1;
|
||||
struct ndis_ipsecv1_offload ndis_ipsecv1;
|
||||
struct ndis_lsov2_offload ndis_lsov2;
|
||||
uint32_t ndis_flags;
|
||||
/* NDIS >= 6.1 */
|
||||
struct ndis_ipsecv2_offload ndis_ipsecv2;
|
||||
/* NDIS >= 6.30 */
|
||||
struct ndis_rsc_offload ndis_rsc;
|
||||
struct ndis_encap_offload ndis_encap_gre;
|
||||
};
|
||||
|
||||
#define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload)
|
||||
#define NDIS_OFFLOAD_SIZE_1 \
|
||||
__offsetof(struct ndis_offload, ndis_ipsecv2)
|
||||
#define NDIS_OFFLOAD_SIZE_2 \
|
||||
__offsetof(struct ndis_offload, ndis_rsc)
|
||||
|
||||
#define NDIS_OFFLOAD_REV_1 1 /* NDIS 6.0 */
|
||||
#define NDIS_OFFLOAD_REV_2 2 /* NDIS 6.1 */
|
||||
#define NDIS_OFFLOAD_REV_3 3 /* NDIS 6.30 */
|
||||
|
||||
/*
|
||||
* Per-packet-info
|
||||
*/
|
||||
|
||||
@ -87,6 +87,7 @@
|
||||
#define OID_802_3_XMIT_LATE_COLLISIONS 0x01020207
|
||||
|
||||
#define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C
|
||||
#define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D
|
||||
|
||||
#define RNDIS_MEDIUM_802_3 0x00000000
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user