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authorNeil Horman <nhorman@tuxdriver.com>2012-03-15 09:25:58 +0400
committerDavid S. Miller <davem@davemloft.net>2012-03-17 10:00:20 +0400
commit124d37e9f088a8f56494b0264d63d22555f53fef (patch)
tree372cf065963b109c0df78964ec196488a570eba5 /net
parent1aa9bc5b2f4cf8c48944fb9a607bf1dd674e2c10 (diff)
downloadlinux-124d37e9f088a8f56494b0264d63d22555f53fef.tar.xz
arp: allow arp processing to honor per interface arp_accept sysctl
I found recently that the arp_process function which handles all of our received arp frames, is using IPV4_DEVCONF_ALL macro to check the state of the arp_process flag. This seems wrong, as it implies that either none or all of the network interfaces accept gratuitous arps. This patch corrects that, allowing per-interface arp_accept configuration to deviate from the all setting. Note this also brings us into line with the way the arp_filter setting is handled during arp_process execution. Tested this myself on my home network, and confirmed it works as expected. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/arp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 63e49890ad31..73f46d691abc 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -889,7 +889,7 @@ static int arp_process(struct sk_buff *skb)
n = __neigh_lookup(&arp_tbl, &sip, dev, 0);
- if (IPV4_DEVCONF_ALL(dev_net(dev), ARP_ACCEPT)) {
+ if (IN_DEV_ARP_ACCEPT(in_dev)) {
/* Unsolicited ARP is not accepted by default.
It is possible, that this option should be enabled for some
devices (strip is candidate)