[PATCH net-next v2 08/20] net: mlx4: slight optimization of addr compare
From: Ding Tianhong <hidden>
Date: 2013-12-28 06:17:58
Also in:
lkml
Subsystem:
mellanox ethernet driver (mlx4_en), mellanox mlx4 core vpi driver, networking drivers, the rest · Maintainers:
Tariq Toukan, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Use possibly more efficient ether_addr_equal to instead of memcmp. Cc: Amir Vadai <redacted> Signed-off-by: Ding Tianhong <redacted> --- drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 4 ++-- drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 6f92090..7e43858 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c@@ -782,7 +782,7 @@ static void update_mclist_flags(struct mlx4_en_priv *priv, list_for_each_entry(dst_tmp, dst, list) { found = false; list_for_each_entry(src_tmp, src, list) { - if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) { + if (ether_addr_equal(dst_tmp->addr, src_tmp->addr)) { found = true; break; }
@@ -797,7 +797,7 @@ static void update_mclist_flags(struct mlx4_en_priv *priv, list_for_each_entry(src_tmp, src, list) { found = false; list_for_each_entry(dst_tmp, dst, list) { - if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) { + if (ether_addr_equal(dst_tmp->addr, src_tmp->addr)) { dst_tmp->action = MCLIST_NONE; found = true; break;
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 2f3f2bc..2e3232c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c@@ -3634,7 +3634,7 @@ static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header, !is_broadcast_ether_addr(eth_header->eth.dst_mac)) { list_for_each_entry_safe(res, tmp, rlist, list) { be_mac = cpu_to_be64(res->mac << 16); - if (!memcmp(&be_mac, eth_header->eth.dst_mac, ETH_ALEN)) + if (ether_addr_equal((u8 *)&be_mac, eth_header->eth.dst_mac)) return 0; } pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n",
--
1.8.0