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| author | David S. Miller <davem@davemloft.net> | 2011-02-19 19:17:35 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-02-19 19:17:35 -0800 |
| commit | da935c66bacb3ed9ada984b053297f87c2dff63a (patch) | |
| tree | 46278da2b312c73f1375b830d7e5912bf23abd78 /net/ipv4/devinet.c | |
| parent | 9435eb1cf0b76b323019cebf8d16762a50a12a19 (diff) | |
| parent | 2205a6ea93fea76f88b43727fea53f3ce3790d6f (diff) | |
| download | linux-da935c66bacb3ed9ada984b053297f87c2dff63a.tar.gz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/e1000e/netdev.c net/xfrm/xfrm_policy.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 ee144a4fca41..90389281d97a 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1102,6 +1102,21 @@ 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, @@ -1155,18 +1170,13 @@ 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); |