diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-03-12 13:22:22 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-03-12 13:22:28 +0100 |
| commit | cfe08bba1e0017d94a8f738a195d3a2b479327e3 (patch) | |
| tree | 4546939fd9fbddc978b6eaa0299b03177e9e643b /net/ipv4/devinet.c | |
| parent | 58bff947e2d164c7e5cbf7f485e4b3d4884befeb (diff) | |
| parent | abb0052289e58140d933b29491f59e4be0a19727 (diff) | |
Merge branch 'x86/apic' into x86/irq
Reason: Update to latest genirq code conflicts with pending apic
changes
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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 748cb5b337b..df4616fce92 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); |