diff options
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_device.c | 8 | ||||
| -rw-r--r-- | net/bridge/br_fdb.c | 30 | ||||
| -rw-r--r-- | net/bridge/br_input.c | 4 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 2 | ||||
| -rw-r--r-- | net/bridge/netfilter/nf_conntrack_bridge.c | 2 |
5 files changed, 19 insertions, 27 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 681b72862c16..e804a3016902 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -24,8 +24,6 @@ const struct nf_br_ops __rcu *nf_br_ops __read_mostly; EXPORT_SYMBOL_GPL(nf_br_ops); -static struct lock_class_key bridge_netdev_addr_lock_key; - /* net device transmit always called with BH disabled */ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) { @@ -108,11 +106,6 @@ out: return NETDEV_TX_OK; } -static void br_set_lockdep_class(struct net_device *dev) -{ - lockdep_set_class(&dev->addr_list_lock, &bridge_netdev_addr_lock_key); -} - static int br_dev_init(struct net_device *dev) { struct net_bridge *br = netdev_priv(dev); @@ -150,7 +143,6 @@ static int br_dev_init(struct net_device *dev) br_mdb_hash_fini(br); br_fdb_hash_fini(br); } - br_set_lockdep_class(dev); return err; } diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index f244f2ac7156..284b3662d234 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -557,7 +557,7 @@ int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, } void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, - const unsigned char *addr, u16 vid, bool added_by_user) + const unsigned char *addr, u16 vid, unsigned long flags) { struct net_bridge_fdb_entry *fdb; bool fdb_modified = false; @@ -587,26 +587,25 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, fdb->dst = source; fdb_modified = true; /* Take over HW learned entry */ - test_and_clear_bit(BR_FDB_ADDED_BY_EXT_LEARN, - &fdb->flags); + if (unlikely(test_bit(BR_FDB_ADDED_BY_EXT_LEARN, + &fdb->flags))) + clear_bit(BR_FDB_ADDED_BY_EXT_LEARN, + &fdb->flags); } if (now != fdb->updated) fdb->updated = now; - if (unlikely(added_by_user)) + if (unlikely(test_bit(BR_FDB_ADDED_BY_USER, &flags))) set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); if (unlikely(fdb_modified)) { - trace_br_fdb_update(br, source, addr, vid, added_by_user); + trace_br_fdb_update(br, source, addr, vid, flags); fdb_notify(br, fdb, RTM_NEWNEIGH, true); } } } else { spin_lock(&br->hash_lock); - fdb = fdb_create(br, source, addr, vid, 0); + fdb = fdb_create(br, source, addr, vid, flags); if (fdb) { - if (unlikely(added_by_user)) - set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); - trace_br_fdb_update(br, source, addr, vid, - added_by_user); + trace_br_fdb_update(br, source, addr, vid, flags); fdb_notify(br, fdb, RTM_NEWNEIGH, true); } /* else we lose race and someone else inserts @@ -889,7 +888,7 @@ static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br, } local_bh_disable(); rcu_read_lock(); - br_fdb_update(br, p, addr, vid, true); + br_fdb_update(br, p, addr, vid, BIT(BR_FDB_ADDED_BY_USER)); rcu_read_unlock(); local_bh_enable(); } else if (ndm->ndm_flags & NTF_EXT_LEARNED) { @@ -1116,14 +1115,15 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, fdb = br_fdb_find(br, addr, vid); if (!fdb) { - fdb = fdb_create(br, p, addr, vid, 0); + unsigned long flags = BIT(BR_FDB_ADDED_BY_EXT_LEARN); + + if (swdev_notify) + flags |= BIT(BR_FDB_ADDED_BY_USER); + fdb = fdb_create(br, p, addr, vid, flags); if (!fdb) { err = -ENOMEM; goto err_unlock; } - if (swdev_notify) - set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); - set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags); fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify); } else { fdb->updated = jiffies; diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 7f5f646dba6e..f37b05090f45 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -88,7 +88,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb /* insert into forwarding database after filtering to avoid spoofing */ br = p->br; if (p->flags & BR_LEARNING) - br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, false); + br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, 0); local_rcv = !!(br->dev->flags & IFF_PROMISC); if (is_multicast_ether_addr(eth_hdr(skb)->h_dest)) { @@ -184,7 +184,7 @@ static void __br_handle_local_finish(struct sk_buff *skb) if ((p->flags & BR_LEARNING) && !br_opt_get(p->br, BROPT_NO_LL_LEARN) && br_should_learn(p, skb, &vid)) - br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid, false); + br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid, 0); } /* note: already called with rcu_read_lock */ diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index f4754bf7f4bd..08742bff9bf0 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -571,7 +571,7 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, const unsigned char *addr, u16 vid); void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, - const unsigned char *addr, u16 vid, bool added_by_user); + const unsigned char *addr, u16 vid, unsigned long flags); int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *dev, const unsigned char *addr, u16 vid); diff --git a/net/bridge/netfilter/nf_conntrack_bridge.c b/net/bridge/netfilter/nf_conntrack_bridge.c index 506d6141e44e..809673222382 100644 --- a/net/bridge/netfilter/nf_conntrack_bridge.c +++ b/net/bridge/netfilter/nf_conntrack_bridge.c @@ -95,7 +95,7 @@ slow_path: * This may also be a clone skbuff, we could preserve the geometry for * the copies but probably not worth the effort. */ - ip_frag_init(skb, hlen, ll_rs, frag_max_size, &state); + ip_frag_init(skb, hlen, ll_rs, frag_max_size, false, &state); while (state.left > 0) { struct sk_buff *skb2; |