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Index: sys/dev/hyperv/netvsc/hv_net_vsc.h
===================================================================
--- sys/dev/hyperv/netvsc/hv_net_vsc.h
+++ sys/dev/hyperv/netvsc/hv_net_vsc.h
@@ -232,6 +232,7 @@
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;
Index: sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
===================================================================
--- sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
+++ sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
@@ -326,6 +326,7 @@
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 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 +457,35 @@
}
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;
+ /* TODO: support multicast list */
+ if ((ifp->if_flags & IFF_ALLMULTI) ||
+ !TAILQ_EMPTY(&ifp->if_multiaddrs))
+ filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
+ }
+
+ 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 +759,9 @@
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 +1874,13 @@
}
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 +1938,16 @@
case SIOCADDMULTI:
case SIOCDELMULTI:
- /* Always all-multi */
- /*
- * TODO:
- * Enable/disable all-multi according to the emptiness of
- * the mcast address list.
- */
+ 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);
break;
case SIOCSIFMEDIA:
@@ -2035,8 +2055,8 @@
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 +2383,21 @@
}
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 +3818,7 @@
* 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 +3906,8 @@
/*
* 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,
Index: sys/net/rndis.h
===================================================================
--- sys/net/rndis.h
+++ sys/net/rndis.h
@@ -351,7 +351,7 @@
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 @@
#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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