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Subject[PATCH 3/7] atm: Use ether_addr_copy
Date
Use ether_addr_copy instead of memcpy(a, b, ETH_ALEN) to
save some cycles on arm and powerpc.

Signed-off-by: Joe Perches <joe@perches.com>
---
net/atm/lec.c | 9 +++++----
net/atm/mpc.c | 2 +-
2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/net/atm/lec.c b/net/atm/lec.c
index f23916b..0b73ae9 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -521,7 +521,7 @@ send_to_lecd(struct lec_priv *priv, atmlec_msg_type type,
if (data != NULL)
mesg->sizeoftlvs = data->len;
if (mac_addr)
- memcpy(&mesg->content.normal.mac_addr, mac_addr, ETH_ALEN);
+ ether_addr_copy(&mesg->content.normal.mac_addr, mac_addr);
else
mesg->content.normal.targetless_le_arp = 1;
if (atm_addr)
@@ -1565,7 +1565,7 @@ static struct lec_arp_table *make_entry(struct lec_priv *priv,
pr_info("LEC: Arp entry kmalloc failed\n");
return NULL;
}
- memcpy(to_return->mac_addr, mac_addr, ETH_ALEN);
+ ether_addr_copy(to_return->mac_addr, mac_addr);
INIT_HLIST_NODE(&to_return->next);
setup_timer(&to_return->timer, lec_arp_expire_arp,
(unsigned long)to_return);
@@ -1887,7 +1887,8 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
entry = tmp;
} else {
entry->status = ESI_FORWARD_DIRECT;
- memcpy(entry->mac_addr, mac_addr, ETH_ALEN);
+ ether_addr_copy(entry->mac_addr,
+ mac_addr);
entry->last_used = jiffies;
lec_arp_add(priv, entry);
}
@@ -2263,7 +2264,7 @@ lec_arp_check_empties(struct lec_priv *priv,
&priv->lec_arp_empty_ones, next) {
if (vcc == entry->vcc) {
del_timer(&entry->timer);
- memcpy(entry->mac_addr, src, ETH_ALEN);
+ ether_addr_copy(entry->mac_addr, src);
entry->status = ESI_FORWARD_DIRECT;
entry->last_used = jiffies;
/* We might have got an entry */
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index 3af1275..b71ff6b 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -478,7 +478,7 @@ static const uint8_t *copy_macs(struct mpoa_client *mpc,
return NULL;
}
}
- memcpy(mpc->mps_macs, router_mac, ETH_ALEN);
+ ether_addr_copy(mpc->mps_macs, router_mac);
tlvs += 20; if (device_type == MPS_AND_MPC) tlvs += 20;
if (mps_macs > 0)
memcpy(mpc->mps_macs, tlvs, mps_macs*ETH_ALEN);
--
1.8.1.2.459.gbcd45b4.dirty


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