diff options
author | Nikolay Aleksandrov <nikolay@cumulusnetworks.com> | 2016-08-31 13:36:52 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-09-02 05:48:33 (GMT) |
commit | b6cb5ac8331b6bcfe9ce38c7f7f58db6e1d6270a (patch) | |
tree | 4dccc4a8a0c9e3dd987f97e6474bb0e9532f4b73 /net | |
parent | 8addd5e7d3a5c118a214a7794ae299787198aa25 (diff) | |
download | linux-b6cb5ac8331b6bcfe9ce38c7f7f58db6e1d6270a.tar.xz |
net: bridge: add per-port multicast flood flag
Add a per-port flag to control the unknown multicast flood, similar to the
unknown unicast flood flag and break a few long lines in the netlink flag
exports.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/bridge/br_forward.c | 3 | ||||
-rw-r--r-- | net/bridge/br_if.c | 2 | ||||
-rw-r--r-- | net/bridge/br_netlink.c | 12 | ||||
-rw-r--r-- | net/bridge/br_sysfs_if.c | 1 |
4 files changed, 14 insertions, 4 deletions
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index 5de854e..7cb41ae 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -186,6 +186,9 @@ void br_flood(struct net_bridge *br, struct sk_buff *skb, /* Do not flood unicast traffic to ports that turn it off */ if (pkt_type == BR_PKT_UNICAST && !(p->flags & BR_FLOOD)) continue; + if (pkt_type == BR_PKT_MULTICAST && + !(p->flags & BR_MCAST_FLOOD)) + continue; /* Do not flood to ports that enable proxy ARP */ if (p->flags & BR_PROXYARP) diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 1da3221..ed0dd33 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -362,7 +362,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br, p->path_cost = port_cost(dev); p->priority = 0x8000 >> BR_PORT_BITS; p->port_no = index; - p->flags = BR_LEARNING | BR_FLOOD; + p->flags = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD; br_init_port(p); br_set_state(p, BR_STATE_DISABLED); br_stp_port_timer_init(p); diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 190a5bc..e99037c 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -169,10 +169,15 @@ static int br_port_fill_attrs(struct sk_buff *skb, nla_put_u32(skb, IFLA_BRPORT_COST, p->path_cost) || nla_put_u8(skb, IFLA_BRPORT_MODE, mode) || nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) || - nla_put_u8(skb, IFLA_BRPORT_PROTECT, !!(p->flags & BR_ROOT_BLOCK)) || - nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || + nla_put_u8(skb, IFLA_BRPORT_PROTECT, + !!(p->flags & BR_ROOT_BLOCK)) || + nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, + !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) || - nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, !!(p->flags & BR_FLOOD)) || + nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, + !!(p->flags & BR_FLOOD)) || + nla_put_u8(skb, IFLA_BRPORT_MCAST_FLOOD, + !!(p->flags & BR_MCAST_FLOOD)) || nla_put_u8(skb, IFLA_BRPORT_PROXYARP, !!(p->flags & BR_PROXYARP)) || nla_put_u8(skb, IFLA_BRPORT_PROXYARP_WIFI, !!(p->flags & BR_PROXYARP_WIFI)) || @@ -630,6 +635,7 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); + br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c index 1e04d4d..e657258 100644 --- a/net/bridge/br_sysfs_if.c +++ b/net/bridge/br_sysfs_if.c @@ -171,6 +171,7 @@ BRPORT_ATTR_FLAG(learning, BR_LEARNING); BRPORT_ATTR_FLAG(unicast_flood, BR_FLOOD); BRPORT_ATTR_FLAG(proxyarp, BR_PROXYARP); BRPORT_ATTR_FLAG(proxyarp_wifi, BR_PROXYARP_WIFI); +BRPORT_ATTR_FLAG(multicast_flood, BR_MCAST_FLOOD); #ifdef CONFIG_BRIDGE_IGMP_SNOOPING static ssize_t show_multicast_router(struct net_bridge_port *p, char *buf) |