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| author | David Miller <davem@davemloft.net> | 2011-07-11 22:44:24 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-07-13 01:12:28 -0700 |
| commit | 3769cffb1c48f64640ffab7ce3bffe867342c0f0 (patch) | |
| tree | 8f6fcf2d822bf3a170a534e8540faa34fe9258ef /net/ipv4/arp.c | |
| parent | e5b1de1f5ebe0200e988e195fefb6c7396de6e20 (diff) | |
| download | blackbird-op-linux-3769cffb1c48f64640ffab7ce3bffe867342c0f0.tar.gz blackbird-op-linux-3769cffb1c48f64640ffab7ce3bffe867342c0f0.zip | |
ipv4: Inline neigh binding.
Get rid of all of the useless and costly indirection
by doing the neigh hash table lookup directly inside
of the neighbour binding.
Rename from arp_bind_neighbour to rt_bind_neighbour.
Use new helpers {__,}ipv4_neigh_lookup()
In rt_bind_neighbour() get rid of useless tests which
are never true in the context this function is called,
namely dev is never NULL and the dst->neighbour is
always NULL.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/arp.c')
| -rw-r--r-- | net/ipv4/arp.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 4412b57f6ff6..3e5545675ccf 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -517,30 +517,6 @@ EXPORT_SYMBOL(arp_find); /* END OF OBSOLETE FUNCTIONS */ -int arp_bind_neighbour(struct dst_entry *dst) -{ - struct net_device *dev = dst->dev; - struct neighbour *n = dst->neighbour; - - if (dev == NULL) - return -EINVAL; - if (n == NULL) { - __be32 nexthop = ((struct rtable *)dst)->rt_gateway; - if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT)) - nexthop = 0; - n = __neigh_lookup_errno( -#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE) - dev->type == ARPHRD_ATM ? - clip_tbl_hook : -#endif - &arp_tbl, &nexthop, dev); - if (IS_ERR(n)) - return PTR_ERR(n); - dst->neighbour = n; - } - return 0; -} - /* * Check if we can use proxy ARP for this path */ |
