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authorLinus Torvalds <torvalds@linux-foundation.org>2011-02-18 14:15:05 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-18 14:15:05 -0800
commit4c3021da451fe0ea1deaba8fa3805d8d065ec84e (patch)
tree7dba26f1fb51be87dfd5d136ddbbd752b60e9a6c /net/ipv4
parenta5bbef0b2deb7b943f095181309ecc9e1fc91c0f (diff)
parentceaaec98ad99859ac90ac6863ad0a6cd075d8e0e (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits) net: deinit automatic LIST_HEAD net: dont leave active on stack LIST_HEAD net: provide default_advmss() methods to blackhole dst_ops tg3: Restrict phy ioctl access drivers/net: Call netif_carrier_off at the end of the probe ixgbe: work around for DDP last buffer size ixgbe: fix panic due to uninitialised pointer e1000e: flush all writebacks before unload e1000e: check down flag in tasks isdn: hisax: Use l2headersize() instead of dup (and buggy) func. arp_notify: unconditionally send gratuitous ARP for NETDEV_NOTIFY_PEERS. cxgb4vf: Use defined Mailbox Timeout cxgb4vf: Quiesce Virtual Interfaces on shutdown ... cxgb4vf: Behave properly when CONFIG_DEBUG_FS isn't defined ... cxgb4vf: Check driver parameters in the right place ... pch_gbe: Fix the MAC Address load issue. iwlwifi: Delete iwl3945_good_plcp_health. net/can/softing: make CAN_SOFTING_CS depend on CAN_SOFTING netfilter: nf_iterate: fix incorrect RCU usage pch_gbe: Fix the issue that the receiving data is not normal. ...
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/devinet.c30
-rw-r--r--net/ipv4/ip_gre.c1
-rw-r--r--net/ipv4/route.c1
3 files changed, 22 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);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index eb68a0e34e4..6613edfac28 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -775,6 +775,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
.fl4_dst = dst,
.fl4_src = tiph->saddr,
.fl4_tos = RT_TOS(tos),
+ .proto = IPPROTO_GRE,
.fl_gre_key = tunnel->parms.o_key
};
if (ip_route_output_key(dev_net(dev), &rt, &fl)) {
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 788a3e74834..6ed6603c2f6 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2722,6 +2722,7 @@ static struct dst_ops ipv4_dst_blackhole_ops = {
.destroy = ipv4_dst_destroy,
.check = ipv4_blackhole_dst_check,
.default_mtu = ipv4_blackhole_default_mtu,
+ .default_advmss = ipv4_default_advmss,
.update_pmtu = ipv4_rt_blackhole_update_pmtu,
};