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batman-adv: prefer ether_addr_copy to memcpy

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On some architectures ether_addr_copy() is slightly faster
than memcpy() therefore use the former when possible.

Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
This commit is contained in:
Antonio Quartulli
2014-01-22 00:42:11 +01:00
parent e88b617d84
commit 8fdd01530c
13 changed files with 70 additions and 71 deletions
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30
net/batman-adv/bridge_loop_avoidance.c
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@@ -191,7 +191,7 @@ batadv_backbone_hash_find(struct batadv_priv *bat_priv,
if (!hash)
return NULL;
memcpy(search_entry.orig, addr, ETH_ALEN);
ether_addr_copy(search_entry.orig, addr);
search_entry.vid = vid;
index = batadv_choose_backbone_gw(&search_entry, hash->size);
@@ -305,7 +305,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
/* normal claim frame
* set Ethernet SRC to the clients mac
*/
memcpy(ethhdr->h_source, mac, ETH_ALEN);
ether_addr_copy(ethhdr->h_source, mac);
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): CLAIM %pM on vid %d\n", mac,
BATADV_PRINT_VID(vid));
@@ -314,7 +314,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
/* unclaim frame
* set HW SRC to the clients mac
*/
memcpy(hw_src, mac, ETH_ALEN);
ether_addr_copy(hw_src, mac);
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): UNCLAIM %pM on vid %d\n", mac,
BATADV_PRINT_VID(vid));
@@ -323,7 +323,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
/* announcement frame
* set HW SRC to the special mac containg the crc
*/
memcpy(hw_src, mac, ETH_ALEN);
ether_addr_copy(hw_src, mac);
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): ANNOUNCE of %pM on vid %d\n",
ethhdr->h_source, BATADV_PRINT_VID(vid));
@@ -333,8 +333,8 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
* set HW SRC and header destination to the receiving backbone
* gws mac
*/
memcpy(hw_src, mac, ETH_ALEN);
memcpy(ethhdr->h_dest, mac, ETH_ALEN);
ether_addr_copy(hw_src, mac);
ether_addr_copy(ethhdr->h_dest, mac);
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): REQUEST of %pM to %pM on vid %d\n",
ethhdr->h_source, ethhdr->h_dest,
@@ -395,7 +395,7 @@ batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, uint8_t *orig,
entry->bat_priv = bat_priv;
atomic_set(&entry->request_sent, 0);
atomic_set(&entry->wait_periods, 0);
memcpy(entry->orig, orig, ETH_ALEN);
ether_addr_copy(entry->orig, orig);
/* one for the hash, one for returning */
atomic_set(&entry->refcount, 2);
@@ -563,7 +563,7 @@ static void batadv_bla_add_claim(struct batadv_priv *bat_priv,
struct batadv_bla_claim search_claim;
int hash_added;
memcpy(search_claim.addr, mac, ETH_ALEN);
ether_addr_copy(search_claim.addr, mac);
search_claim.vid = vid;
claim = batadv_claim_hash_find(bat_priv, &search_claim);
@@ -573,7 +573,7 @@ static void batadv_bla_add_claim(struct batadv_priv *bat_priv,
if (!claim)
return;
memcpy(claim->addr, mac, ETH_ALEN);
ether_addr_copy(claim->addr, mac);
claim->vid = vid;
claim->lasttime = jiffies;
claim->backbone_gw = backbone_gw;
@@ -624,7 +624,7 @@ static void batadv_bla_del_claim(struct batadv_priv *bat_priv,
{
struct batadv_bla_claim search_claim, *claim;
memcpy(search_claim.addr, mac, ETH_ALEN);
ether_addr_copy(search_claim.addr, mac);
search_claim.vid = vid;
claim = batadv_claim_hash_find(bat_priv, &search_claim);
if (!claim)
@@ -1103,8 +1103,8 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
oldif->net_dev->dev_addr))
continue;
memcpy(backbone_gw->orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
ether_addr_copy(backbone_gw->orig,
primary_if->net_dev->dev_addr);
/* send an announce frame so others will ask for our
* claims and update their tables.
*/
@@ -1310,7 +1310,7 @@ int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
entry = &bat_priv->bla.bcast_duplist[curr];
entry->crc = crc;
entry->entrytime = jiffies;
memcpy(entry->orig, bcast_packet->orig, ETH_ALEN);
ether_addr_copy(entry->orig, bcast_packet->orig);
bat_priv->bla.bcast_duplist_curr = curr;
out:
@@ -1458,7 +1458,7 @@ int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast)
goto handled;
memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN);
ether_addr_copy(search_claim.addr, ethhdr->h_source);
search_claim.vid = vid;
claim = batadv_claim_hash_find(bat_priv, &search_claim);
@@ -1557,7 +1557,7 @@ int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
if (is_multicast_ether_addr(ethhdr->h_dest))
goto handled;
memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN);
ether_addr_copy(search_claim.addr, ethhdr->h_source);
search_claim.vid = vid;
claim = batadv_claim_hash_find(bat_priv, &search_claim);