Date: Fri, 11 Nov 2016 08:57:52 +0000 (UTC) From: Sepherosa Ziehau <sephe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r308521 - in stable/11/sys: dev/hyperv/netvsc net Message-ID: <201611110857.uAB8vqG0024276@repo.freebsd.org>
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Author: sephe Date: Fri Nov 11 08:57:52 2016 New Revision: 308521 URL: https://svnweb.freebsd.org/changeset/base/308521 Log: MFC 307843 hyperv/hn: Fix RX filter settings. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8313 Modified: stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.h stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c stable/11/sys/net/rndis.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.h ============================================================================== --- stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.h Fri Nov 11 08:55:45 2016 (r308520) +++ stable/11/sys/dev/hyperv/netvsc/hv_net_vsc.h Fri Nov 11 08:57:52 2016 (r308521) @@ -232,6 +232,7 @@ struct hn_softc { struct sysctl_oid *hn_rx_sysctl_tree; struct vmbus_xact_ctx *hn_xact; uint32_t hn_nvs_ver; + uint32_t hn_rx_filter; struct taskqueue *hn_mgmt_taskq; struct taskqueue *hn_mgmt_taskq0; Modified: stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Fri Nov 11 08:55:45 2016 (r308520) +++ stable/11/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Fri Nov 11 08:57:52 2016 (r308521) @@ -326,6 +326,7 @@ static int hn_tx_conf_int_sysctl(SYSCTL_ static int hn_ndis_version_sysctl(SYSCTL_HANDLER_ARGS); static int hn_caps_sysctl(SYSCTL_HANDLER_ARGS); static int hn_hwassist_sysctl(SYSCTL_HANDLER_ARGS); +static int hn_rxfilter_sysctl(SYSCTL_HANDLER_ARGS); static int hn_rss_key_sysctl(SYSCTL_HANDLER_ARGS); static int hn_rss_ind_sysctl(SYSCTL_HANDLER_ARGS); static int hn_check_iplen(const struct mbuf *, int); @@ -367,6 +368,7 @@ static int netvsc_detach(device_t dev); static void hn_link_status(struct hn_softc *); static int hn_sendpkt_rndis_sglist(struct hn_tx_ring *, struct hn_txdesc *); static int hn_sendpkt_rndis_chim(struct hn_tx_ring *, struct hn_txdesc *); +static int hn_set_rxfilter(struct hn_softc *); static void hn_nvs_handle_notify(struct hn_softc *sc, const struct vmbus_chanpkt_hdr *pkt); @@ -455,6 +457,43 @@ hn_sendpkt_rndis_chim(struct hn_tx_ring } static int +hn_set_rxfilter(struct hn_softc *sc) +{ + struct ifnet *ifp = sc->hn_ifp; + uint32_t filter; + int error = 0; + + HN_LOCK_ASSERT(sc); + + if (ifp->if_flags & IFF_PROMISC) { + filter = NDIS_PACKET_TYPE_PROMISCUOUS; + } else { + filter = NDIS_PACKET_TYPE_DIRECTED; + if (ifp->if_flags & IFF_BROADCAST) + filter |= NDIS_PACKET_TYPE_BROADCAST; +#ifdef notyet + /* + * See the comment in SIOCADDMULTI/SIOCDELMULTI. + */ + /* TODO: support multicast list */ + if ((ifp->if_flags & IFF_ALLMULTI) || + !TAILQ_EMPTY(&ifp->if_multiaddrs)) + filter |= NDIS_PACKET_TYPE_ALL_MULTICAST; +#else + /* Always enable ALLMULTI */ + filter |= NDIS_PACKET_TYPE_ALL_MULTICAST; +#endif + } + + if (sc->hn_rx_filter != filter) { + error = hn_rndis_set_rxfilter(sc, filter); + if (!error) + sc->hn_rx_filter = filter; + } + return (error); +} + +static int hn_get_txswq_depth(const struct hn_tx_ring *txr) { @@ -728,6 +767,9 @@ netvsc_attach(device_t dev) SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "hwassist", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0, hn_hwassist_sysctl, "A", "hwassist"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rxfilter", + CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0, + hn_rxfilter_sysctl, "A", "rxfilter"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rss_key", CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, 0, hn_rss_key_sysctl, "IU", "RSS key"); @@ -1840,31 +1882,13 @@ hn_ioctl(struct ifnet *ifp, u_long cmd, } if (ifp->if_flags & IFF_UP) { - /* - * If only the state of the PROMISC flag changed, - * then just use the 'set promisc mode' command - * instead of reinitializing the entire NIC. Doing - * a full re-init means reloading the firmware and - * waiting for it to start up, which may take a - * second or two. - */ -#ifdef notyet - /* Fixme: Promiscuous mode? */ - if (ifp->if_drv_flags & IFF_DRV_RUNNING && - ifp->if_flags & IFF_PROMISC && - !(sc->hn_if_flags & IFF_PROMISC)) { - /* do something here for Hyper-V */ - } else if (ifp->if_drv_flags & IFF_DRV_RUNNING && - !(ifp->if_flags & IFF_PROMISC) && - sc->hn_if_flags & IFF_PROMISC) { - /* do something here for Hyper-V */ - } else -#endif + if (ifp->if_drv_flags & IFF_DRV_RUNNING) + hn_set_rxfilter(sc); + else hn_init_locked(sc); } else { - if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + if (ifp->if_drv_flags & IFF_DRV_RUNNING) hn_stop(sc); - } } sc->hn_if_flags = ifp->if_flags; @@ -1922,12 +1946,27 @@ hn_ioctl(struct ifnet *ifp, u_long cmd, case SIOCADDMULTI: case SIOCDELMULTI: - /* Always all-multi */ +#ifdef notyet /* - * TODO: - * Enable/disable all-multi according to the emptiness of - * the mcast address list. + * XXX + * Multicast uses mutex, while RNDIS RX filter setting + * sleeps. We workaround this by always enabling + * ALLMULTI. ALLMULTI would actually always be on, even + * if we supported the SIOCADDMULTI/SIOCDELMULTI, since + * we don't support multicast address list configuration + * for this driver. */ + HN_LOCK(sc); + + if ((sc->hn_flags & HN_FLAG_SYNTH_ATTACHED) == 0) { + HN_UNLOCK(sc); + break; + } + if (ifp->if_drv_flags & IFF_DRV_RUNNING) + hn_set_rxfilter(sc); + + HN_UNLOCK(sc); +#endif break; case SIOCSIFMEDIA: @@ -2035,8 +2074,8 @@ hn_init_locked(struct hn_softc *sc) if (ifp->if_drv_flags & IFF_DRV_RUNNING) return; - /* TODO: add hn_rx_filter */ - hn_rndis_set_rxfilter(sc, NDIS_PACKET_TYPE_PROMISCUOUS); + /* Configure RX filter */ + hn_set_rxfilter(sc); /* Clear OACTIVE bit. */ atomic_clear_int(&ifp->if_drv_flags, IFF_DRV_OACTIVE); @@ -2363,6 +2402,21 @@ hn_hwassist_sysctl(SYSCTL_HANDLER_ARGS) } static int +hn_rxfilter_sysctl(SYSCTL_HANDLER_ARGS) +{ + struct hn_softc *sc = arg1; + char filter_str[128]; + uint32_t filter; + + HN_LOCK(sc); + filter = sc->hn_rx_filter; + HN_UNLOCK(sc); + snprintf(filter_str, sizeof(filter_str), "%b", filter, + NDIS_PACKET_TYPES); + return sysctl_handle_string(oidp, filter_str, sizeof(filter_str), req); +} + +static int hn_rss_key_sysctl(SYSCTL_HANDLER_ARGS) { struct hn_softc *sc = arg1; @@ -3783,6 +3837,7 @@ hn_suspend_data(struct hn_softc *sc) * Disable RX by clearing RX filter. */ hn_rndis_set_rxfilter(sc, 0); + sc->hn_rx_filter = 0; /* * Give RNDIS enough time to flush all pending data packets. @@ -3870,9 +3925,8 @@ hn_resume_data(struct hn_softc *sc) /* * Re-enable RX. - * TODO: add hn_rx_filter. */ - hn_rndis_set_rxfilter(sc, NDIS_PACKET_TYPE_PROMISCUOUS); + hn_set_rxfilter(sc); /* * Make sure to clear suspend status on "all" TX rings, Modified: stable/11/sys/net/rndis.h ============================================================================== --- stable/11/sys/net/rndis.h Fri Nov 11 08:55:45 2016 (r308520) +++ stable/11/sys/net/rndis.h Fri Nov 11 08:57:52 2016 (r308521) @@ -351,7 +351,7 @@ struct rndis_keepalive_comp { uint32_t rm_status; }; -/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */ +/* Packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */ #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 @@ -365,6 +365,14 @@ struct rndis_keepalive_comp { #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00004000 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00008000 +/* + * Packet filter description for use with printf(9) %b identifier. + */ +#define NDIS_PACKET_TYPES \ + "\20\1DIRECT\2MULTICAST\3ALLMULTI\4BROADCAST" \ + "\5SRCROUTE\6PROMISC\7SMT\10ALLLOCAL" \ + "\11GROUP\12ALLFUNC\13FUNC\14MACFRAME" + /* RNDIS offsets */ #define RNDIS_HEADER_OFFSET ((uint32_t)sizeof(struct rndis_msghdr)) #define RNDIS_DATA_OFFSET \
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