[PATCH net-next v2 19/20] net: plip: slight optimization of addr compare
From: Ding Tianhong <hidden>
Date: 2013-12-28 06:19:06
Also in:
lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Use possibly more efficient ether_addr_equal_64bits to instead of memcmp. Cc: "David S. Miller" <davem@davemloft.net> Suggested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Ding Tianhong <redacted> --- drivers/net/plip/plip.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/plip/plip.c b/drivers/net/plip/plip.c
index 7b4ff35..040b897 100644
--- a/drivers/net/plip/plip.c
+++ b/drivers/net/plip/plip.c@@ -547,9 +547,9 @@ static __be16 plip_type_trans(struct sk_buff *skb, struct net_device *dev) skb_pull(skb,dev->hard_header_len); eth = eth_hdr(skb); - if(*eth->h_dest&1) + if(is_multicast_ether_addr(eth->h_dest)) { - if(memcmp(eth->h_dest,dev->broadcast, ETH_ALEN)==0) + if(ether_addr_equal_64bits(eth->h_dest, dev->broadcast)) skb->pkt_type=PACKET_BROADCAST; else skb->pkt_type=PACKET_MULTICAST;
--
1.6.0.2