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| author |   David S. Miller <davem@davemloft.net> | 2009-03-27 17:19:16 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-27 17:19:16 -0700 |
| commit | a83398570e17af6bb81eb94f4f5dd356bd2828d8 (patch) | |
| tree | 5b5c7c3a56898485479291b7c964a1f3887d469c /net/ipv4/arp.c | |
| parent | sparc64: Fix MM refcount check in smp_flush_tlb_pending(). (diff) | |
| parent | i915: fix wrong 'size_t' format string (diff) | |
| download | linux-dev-a83398570e17af6bb81eb94f4f5dd356bd2828d8.tar.xz linux-dev-a83398570e17af6bb81eb94f4f5dd356bd2828d8.zip | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'net/ipv4/arp.c')
| -rw-r--r-- | net/ipv4/arp.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 29a74c01d8de..f11931c18381 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -801,8 +801,11 @@ static int arp_process(struct sk_buff *skb) * cache. */ - /* Special case: IPv4 duplicate address detection packet (RFC2131) */ - if (sip == 0) { + /* + * Special case: IPv4 duplicate address detection packet (RFC2131) + * and Gratuitous ARP/ARP Announce. (RFC3927, Section 2.4) + */ + if (sip == 0 || tip == sip) { if (arp->ar_op == htons(ARPOP_REQUEST) && inet_addr_type(net, tip) == RTN_LOCAL && !arp_ignore(in_dev, sip, tip)) @@ -892,7 +895,7 @@ static int arp_process(struct sk_buff *skb) out: if (in_dev) in_dev_put(in_dev); - kfree_skb(skb); + consume_skb(skb); return 0; } @@ -1225,8 +1228,8 @@ void arp_ifdown(struct net_device *dev) * Called once on startup. */ -static struct packet_type arp_packet_type = { - .type = __constant_htons(ETH_P_ARP), +static struct packet_type arp_packet_type __read_mostly = { + .type = cpu_to_be16(ETH_P_ARP), .func = arp_rcv, }; |