[ETH]: ether address compare
Expose faster ether compare for use by protocols and other
driver. And change name to be more consistent with other ether
address manipulation routines in same file
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 68a5ca8..e245773 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -146,19 +146,6 @@
return 0;
}
-static inline unsigned int compare_eth_addr(const unsigned char *__a, const unsigned char *__b)
-{
- const unsigned short *dest = (unsigned short *) __a;
- const unsigned short *devaddr = (unsigned short *) __b;
- unsigned int res;
-
- BUILD_BUG_ON(ETH_ALEN != 6);
- res = ((dest[0] ^ devaddr[0]) |
- (dest[1] ^ devaddr[1]) |
- (dest[2] ^ devaddr[2])) != 0;
-
- return res;
-}
/*
* Determine the packet's protocol ID. The rule here is that we
@@ -176,7 +163,7 @@
eth = eth_hdr(skb);
if (*eth->h_dest&1) {
- if (!compare_eth_addr(eth->h_dest, dev->broadcast))
+ if (!compare_ether_addr(eth->h_dest, dev->broadcast))
skb->pkt_type = PACKET_BROADCAST;
else
skb->pkt_type = PACKET_MULTICAST;
@@ -191,7 +178,7 @@
*/
else if(1 /*dev->flags&IFF_PROMISC*/) {
- if (unlikely(compare_eth_addr(eth->h_dest, dev->dev_addr)))
+ if (unlikely(compare_ether_addr(eth->h_dest, dev->dev_addr)))
skb->pkt_type = PACKET_OTHERHOST;
}