diff options
author | Vlad Yasevich <vyasevic@redhat.com> | 2014-05-16 09:59:17 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-05-16 17:06:33 -0400 |
commit | 8db24af71b31690a30ad371b35936fa10e547ee7 (patch) | |
tree | 174363a474eba5c02f24a6fb865a5b337eb5be6b /net | |
parent | e028e4b8dc93be7bc3ff9e0b94cb68d7f104883b (diff) | |
download | op-kernel-dev-8db24af71b31690a30ad371b35936fa10e547ee7.zip op-kernel-dev-8db24af71b31690a30ad371b35936fa10e547ee7.tar.gz |
bridge: Add functionality to sync static fdb entries to hw
Add code that allows static fdb entires to be synced to the
hw list for a specified port. This will be used later to
program ports that can function in non-promiscuous mode.
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/bridge/br_fdb.c | 56 | ||||
-rw-r--r-- | net/bridge/br_private.h | 2 |
2 files changed, 58 insertions, 0 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 9203d5a..fe124e5 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -874,3 +874,59 @@ int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], out: return err; } + +int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p) +{ + struct net_bridge_fdb_entry *fdb, *tmp; + int i; + int err; + + ASSERT_RTNL(); + + for (i = 0; i < BR_HASH_SIZE; i++) { + hlist_for_each_entry(fdb, &br->hash[i], hlist) { + /* We only care for static entries */ + if (!fdb->is_static) + continue; + + err = dev_uc_add(p->dev, fdb->addr.addr); + if (err) + goto rollback; + } + } + return 0; + +rollback: + for (i = 0; i < BR_HASH_SIZE; i++) { + hlist_for_each_entry(tmp, &br->hash[i], hlist) { + /* If we reached the fdb that failed, we can stop */ + if (tmp == fdb) + break; + + /* We only care for static entries */ + if (!tmp->is_static) + continue; + + dev_uc_del(p->dev, tmp->addr.addr); + } + } + return err; +} + +void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p) +{ + struct net_bridge_fdb_entry *fdb; + int i; + + ASSERT_RTNL(); + + for (i = 0; i < BR_HASH_SIZE; i++) { + hlist_for_each_entry_rcu(fdb, &br->hash[i], hlist) { + /* We only care for static entries */ + if (!fdb->is_static) + continue; + + dev_uc_del(p->dev, fdb->addr.addr); + } + } +} diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 5ce3191..c0a804b 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -399,6 +399,8 @@ int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, const unsigned char *addr, u16 nlh_flags); int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, struct net_device *dev, int idx); +int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); +void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); /* br_forward.c */ void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb); |