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| author | Pekka Enberg <penberg@kernel.org> | 2011-03-11 18:10:45 +0200 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2011-03-11 18:10:45 +0200 |
| commit | c9149556756d56c68451a4a8735c37e7062fd3d7 (patch) | |
| tree | a2dae56b22adaa9a23c8f92f30c3b3ad3b610850 /net/ipv4/devinet.c | |
| parent | d71f606f687ef9d0cdddfd3619ca7cb9a0b3fb63 (diff) | |
| parent | 5bfe53a77e8a3ffce4a10003c75f464a138e272d (diff) | |
| download | op-kernel-dev-c9149556756d56c68451a4a8735c37e7062fd3d7.zip op-kernel-dev-c9149556756d56c68451a4a8735c37e7062fd3d7.tar.gz | |
Merge branch 'slab/rcu' into slab/next
Conflicts:
mm/slub.c
Diffstat (limited to 'net/ipv4/devinet.c')
| -rw-r--r-- | net/ipv4/devinet.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 748cb5b..df4616f 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1030,6 +1030,21 @@ static inline bool inetdev_valid_mtu(unsigned mtu) return mtu >= 68; } +static void inetdev_send_gratuitous_arp(struct net_device *dev, + struct in_device *in_dev) + +{ + struct in_ifaddr *ifa = in_dev->ifa_list; + + if (!ifa) + return; + + arp_send(ARPOP_REQUEST, ETH_P_ARP, + ifa->ifa_address, dev, + ifa->ifa_address, NULL, + dev->dev_addr, NULL); +} + /* Called only under RTNL semaphore */ static int inetdev_event(struct notifier_block *this, unsigned long event, @@ -1082,18 +1097,13 @@ static int inetdev_event(struct notifier_block *this, unsigned long event, } ip_mc_up(in_dev); /* fall through */ - case NETDEV_NOTIFY_PEERS: case NETDEV_CHANGEADDR: + if (!IN_DEV_ARP_NOTIFY(in_dev)) + break; + /* fall through */ + case NETDEV_NOTIFY_PEERS: /* Send gratuitous ARP to notify of link change */ - if (IN_DEV_ARP_NOTIFY(in_dev)) { - struct in_ifaddr *ifa = in_dev->ifa_list; - - if (ifa) - arp_send(ARPOP_REQUEST, ETH_P_ARP, - ifa->ifa_address, dev, - ifa->ifa_address, NULL, - dev->dev_addr, NULL); - } + inetdev_send_gratuitous_arp(dev, in_dev); break; case NETDEV_DOWN: ip_mc_down(in_dev); |
