From 8fd90de800a838320406c29587d40fb8167ec48e Mon Sep 17 00:00:00 2001 From: dingtianhong Date: Mon, 30 Dec 2013 15:40:32 +0800 Subject: [PATCH] net: bnx2x: slight optimization of addr compare Use the possibly more efficient ether_addr_equal or ether_addr_equal_unaligned to instead of memcmp. Cc: Ariel Elior Cc: Sergei Shtylyov Signed-off-by: Ding Tianhong Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 10 ++++------ drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c | 2 +- drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c | 2 +- 3 files changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index 32c92abf5094..babf7b954ae6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -663,7 +663,7 @@ static int bnx2x_check_mac_add(struct bnx2x *bp, /* Check if a requested MAC already exists */ list_for_each_entry(pos, &o->head, link) - if (!memcmp(data->mac.mac, pos->u.mac.mac, ETH_ALEN) && + if (ether_addr_equal(data->mac.mac, pos->u.mac.mac) && (data->mac.is_inner_mac == pos->u.mac.is_inner_mac)) return -EEXIST; @@ -696,8 +696,7 @@ static int bnx2x_check_vlan_mac_add(struct bnx2x *bp, list_for_each_entry(pos, &o->head, link) if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) && - (!memcmp(data->vlan_mac.mac, pos->u.vlan_mac.mac, - ETH_ALEN)) && + ether_addr_equal_unaligned(data->vlan_mac.mac, pos->u.vlan_mac.mac) && (data->vlan_mac.is_inner_mac == pos->u.vlan_mac.is_inner_mac)) return -EEXIST; @@ -716,7 +715,7 @@ static struct bnx2x_vlan_mac_registry_elem * DP(BNX2X_MSG_SP, "Checking MAC %pM for DEL command\n", data->mac.mac); list_for_each_entry(pos, &o->head, link) - if ((!memcmp(data->mac.mac, pos->u.mac.mac, ETH_ALEN)) && + if (ether_addr_equal(data->mac.mac, pos->u.mac.mac) && (data->mac.is_inner_mac == pos->u.mac.is_inner_mac)) return pos; @@ -751,8 +750,7 @@ static struct bnx2x_vlan_mac_registry_elem * list_for_each_entry(pos, &o->head, link) if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) && - (!memcmp(data->vlan_mac.mac, pos->u.vlan_mac.mac, - ETH_ALEN)) && + ether_addr_equal_unaligned(data->vlan_mac.mac, pos->u.vlan_mac.mac) && (data->vlan_mac.is_inner_mac == pos->u.vlan_mac.is_inner_mac)) return pos; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 25182765e4be..6fe52d301dfe 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -3616,7 +3616,7 @@ enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp) /* the mac address in bulletin board is valid and is new */ if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID && - memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) { + !ether_addr_equal(bulletin.mac, bp->old_bulletin.mac)) { /* update new mac to net device */ memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index 30c7f249203c..e5f7985a372c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -1714,7 +1714,7 @@ static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, /* ...and only the mac set by the ndo */ if (filters->n_mac_vlan_filters == 1 && - memcmp(filters->filters->mac, bulletin->mac, ETH_ALEN)) { + !ether_addr_equal(filters->filters->mac, bulletin->mac)) { BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", vf->abs_vfid); -- 2.20.1