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| author | Amerigo Wang <amwang@redhat.com> | 2012-12-14 22:09:51 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-15 17:14:39 -0800 |
| commit | ccb1c31a7a8744cd153a7d92b726a56b56ad61d3 (patch) | |
| tree | 1c62ac2565c657155474b3e8335a13ebcc35560e /net/bridge/br_mdb.c | |
| parent | 9dd9ff99532d7a7f8222fd1f0d410d91c0f15ac5 (diff) | |
| download | linux-3.10-ccb1c31a7a8744cd153a7d92b726a56b56ad61d3.tar.gz linux-3.10-ccb1c31a7a8744cd153a7d92b726a56b56ad61d3.tar.bz2 linux-3.10-ccb1c31a7a8744cd153a7d92b726a56b56ad61d3.zip | |
bridge: add flags to distinguish permanent mdb entires
This patch adds a flag to each mdb entry, so that we can distinguish
permanent entries with temporary entries.
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_mdb.c')
| -rw-r--r-- | net/bridge/br_mdb.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 6f0a2eebcb2..9cf5d2b28c7 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -83,6 +83,7 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb, if (port) { struct br_mdb_entry e; e.ifindex = port->dev->ifindex; + e.state = p->state; e.addr.u.ip4 = p->addr.u.ip4; #if IS_ENABLED(CONFIG_IPV6) e.addr.u.ip6 = p->addr.u.ip6; @@ -253,6 +254,8 @@ static bool is_valid_mdb_entry(struct br_mdb_entry *entry) #endif } else return false; + if (entry->state != MDB_PERMANENT && entry->state != MDB_TEMPORARY) + return false; return true; } @@ -310,7 +313,7 @@ static int br_mdb_parse(struct sk_buff *skb, struct nlmsghdr *nlh, } static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, - struct br_ip *group) + struct br_ip *group, unsigned char state) { struct net_bridge_mdb_entry *mp; struct net_bridge_port_group *p; @@ -336,7 +339,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, break; } - p = br_multicast_new_port_group(port, group, *pp); + p = br_multicast_new_port_group(port, group, *pp, state); if (unlikely(!p)) return -ENOMEM; rcu_assign_pointer(*pp, p); @@ -373,7 +376,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, #endif spin_lock_bh(&br->multicast_lock); - ret = br_mdb_add_group(br, p, &ip); + ret = br_mdb_add_group(br, p, &ip, entry->state); spin_unlock_bh(&br->multicast_lock); return ret; } |