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Message-ID: <alpine.LFD.2.03.1403041449370.13034@solarflare.com>
Date: Tue, 4 Mar 2014 20:11:34 +0000
From: Edward Cree <ecree@...arflare.com>
To: <netdev@...r.kernel.org>
CC: Shradha Shah <sshah@...arflare.com>
Subject: [PATCH net-next] sfc: Use ether_addr_copy and eth_broadcast_addr
Faster than memcpy/memset on some architectures.
Signed-off-by: Edward Cree <ecree@...arflare.com>
---
drivers/net/ethernet/sfc/ef10.c | 13 +++++--------
drivers/net/ethernet/sfc/efx.c | 4 ++--
drivers/net/ethernet/sfc/ethtool.c | 17 ++++++++---------
drivers/net/ethernet/sfc/falcon.c | 2 +-
drivers/net/ethernet/sfc/filter.h | 2 +-
drivers/net/ethernet/sfc/mcdi.c | 14 ++++++++------
drivers/net/ethernet/sfc/mcdi_port.c | 4 ++--
drivers/net/ethernet/sfc/selftest.c | 6 +++---
drivers/net/ethernet/sfc/siena_sriov.c | 13 ++++++-------
9 files changed, 36 insertions(+), 39 deletions(-)
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 3b39798..de0c815 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -162,8 +162,8 @@ static int efx_ef10_get_mac_address(struct efx_nic *efx, u8 *mac_address)
if (outlen < MC_CMD_GET_MAC_ADDRESSES_OUT_LEN)
return -EIO;
- memcpy(mac_address,
- MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE), ETH_ALEN);
+ ether_addr_copy(mac_address,
+ MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE));
return 0;
}
@@ -3145,12 +3145,10 @@ static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx)
table->dev_uc_count = -1;
} else {
table->dev_uc_count = 1 + netdev_uc_count(net_dev);
- memcpy(table->dev_uc_list[0].addr, net_dev->dev_addr,
- ETH_ALEN);
+ ether_addr_copy(table->dev_uc_list[0].addr, net_dev->dev_addr);
i = 1;
netdev_for_each_uc_addr(uc, net_dev) {
- memcpy(table->dev_uc_list[i].addr,
- uc->addr, ETH_ALEN);
+ ether_addr_copy(table->dev_uc_list[i].addr, uc->addr);
i++;
}
}
@@ -3162,8 +3160,7 @@ static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx)
eth_broadcast_addr(table->dev_mc_list[0].addr);
i = 1;
netdev_for_each_mc_addr(mc, net_dev) {
- memcpy(table->dev_mc_list[i].addr,
- mc->addr, ETH_ALEN);
+ ether_addr_copy(table->dev_mc_list[i].addr, mc->addr);
i++;
}
}
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index d72e003..52589f6 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1012,7 +1012,7 @@ static int efx_probe_port(struct efx_nic *efx)
return rc;
/* Initialise MAC address to permanent address */
- memcpy(efx->net_dev->dev_addr, efx->net_dev->perm_addr, ETH_ALEN);
+ ether_addr_copy(efx->net_dev->dev_addr, efx->net_dev->perm_addr);
return 0;
}
@@ -2120,7 +2120,7 @@ static int efx_set_mac_address(struct net_device *net_dev, void *data)
return -EADDRNOTAVAIL;
}
- memcpy(net_dev->dev_addr, new_addr, net_dev->addr_len);
+ ether_addr_copy(net_dev->dev_addr, new_addr);
efx_sriov_mac_address_changed(efx);
/* Reconfigure the MAC */
diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c
index 89fcaff..ad94d4b 100644
--- a/drivers/net/ethernet/sfc/ethtool.c
+++ b/drivers/net/ethernet/sfc/ethtool.c
@@ -727,7 +727,7 @@ static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
}
/* MAC address mask including only I/G bit */
-static const u8 mac_addr_ig_mask[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
+static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0};
#define IP4_ADDR_FULL_MASK ((__force __be32)~0)
#define PORT_FULL_MASK ((__force __be16)~0)
@@ -787,16 +787,15 @@ static int efx_ethtool_get_class_rule(struct efx_nic *efx,
rule->flow_type = ETHER_FLOW;
if (spec.match_flags &
(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
- memcpy(mac_entry->h_dest, spec.loc_mac, ETH_ALEN);
+ ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
- memset(mac_mask->h_dest, ~0, ETH_ALEN);
+ eth_broadcast_addr(mac_mask->h_dest);
else
- memcpy(mac_mask->h_dest, mac_addr_ig_mask,
- ETH_ALEN);
+ ether_addr_copy(mac_mask->h_dest, mac_addr_ig_mask);
}
if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
- memcpy(mac_entry->h_source, spec.rem_mac, ETH_ALEN);
- memset(mac_mask->h_source, ~0, ETH_ALEN);
+ ether_addr_copy(mac_entry->h_source, spec.rem_mac);
+ eth_broadcast_addr(mac_mask->h_source);
}
if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
mac_entry->h_proto = spec.ether_type;
@@ -968,13 +967,13 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
else
return -EINVAL;
- memcpy(spec.loc_mac, mac_entry->h_dest, ETH_ALEN);
+ ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
}
if (!is_zero_ether_addr(mac_mask->h_source)) {
if (!is_broadcast_ether_addr(mac_mask->h_source))
return -EINVAL;
spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
- memcpy(spec.rem_mac, mac_entry->h_source, ETH_ALEN);
+ ether_addr_copy(spec.rem_mac, mac_entry->h_source);
}
if (mac_mask->h_proto) {
if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
diff --git a/drivers/net/ethernet/sfc/falcon.c b/drivers/net/ethernet/sfc/falcon.c
index 72652f3..8ec20b7 100644
--- a/drivers/net/ethernet/sfc/falcon.c
+++ b/drivers/net/ethernet/sfc/falcon.c
@@ -2183,7 +2183,7 @@ static int falcon_probe_nvconfig(struct efx_nic *efx)
}
/* Read the MAC addresses */
- memcpy(efx->net_dev->perm_addr, nvconfig->mac_address[0], ETH_ALEN);
+ ether_addr_copy(efx->net_dev->perm_addr, nvconfig->mac_address[0]);
netif_dbg(efx, probe, efx->net_dev, "PHY is %d phy_id %d\n",
efx->phy_type, efx->mdio.prtad);
diff --git a/drivers/net/ethernet/sfc/filter.h b/drivers/net/ethernet/sfc/filter.h
index 3ef298d..d0ed7f7 100644
--- a/drivers/net/ethernet/sfc/filter.h
+++ b/drivers/net/ethernet/sfc/filter.h
@@ -243,7 +243,7 @@ static inline int efx_filter_set_eth_local(struct efx_filter_spec *spec,
}
if (addr != NULL) {
spec->match_flags |= EFX_FILTER_MATCH_LOC_MAC;
- memcpy(spec->loc_mac, addr, ETH_ALEN);
+ ether_addr_copy(spec->loc_mac, addr);
}
return 0;
}
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index eb59abb..7bd4b14 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -1187,6 +1187,9 @@ int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
int rc;
BUILD_BUG_ON(MC_CMD_GET_BOARD_CFG_IN_LEN != 0);
+ /* we need __aligned(2) for ether_addr_copy */
+ BUILD_BUG_ON(MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0_OFST & 1);
+ BUILD_BUG_ON(MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1_OFST & 1);
rc = efx_mcdi_rpc(efx, MC_CMD_GET_BOARD_CFG, NULL, 0,
outbuf, sizeof(outbuf), &outlen);
@@ -1199,11 +1202,10 @@ int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
}
if (mac_address)
- memcpy(mac_address,
- port_num ?
- MCDI_PTR(outbuf, GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1) :
- MCDI_PTR(outbuf, GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0),
- ETH_ALEN);
+ ether_addr_copy(mac_address,
+ port_num ?
+ MCDI_PTR(outbuf, GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1) :
+ MCDI_PTR(outbuf, GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0));
if (fw_subtype_list) {
for (i = 0;
i < MCDI_VAR_ARRAY_LEN(outlen,
@@ -1532,7 +1534,7 @@ static int efx_mcdi_wol_filter_set(struct efx_nic *efx, u32 type,
MCDI_SET_DWORD(inbuf, WOL_FILTER_SET_IN_WOL_TYPE, type);
MCDI_SET_DWORD(inbuf, WOL_FILTER_SET_IN_FILTER_MODE,
MC_CMD_FILTER_MODE_SIMPLE);
- memcpy(MCDI_PTR(inbuf, WOL_FILTER_SET_IN_MAGIC_MAC), mac, ETH_ALEN);
+ ether_addr_copy(MCDI_PTR(inbuf, WOL_FILTER_SET_IN_MAGIC_MAC), mac);
rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_SET, inbuf, sizeof(inbuf),
outbuf, sizeof(outbuf), &outlen);
diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c
index 91d2325..e5fc4e1 100644
--- a/drivers/net/ethernet/sfc/mcdi_port.c
+++ b/drivers/net/ethernet/sfc/mcdi_port.c
@@ -854,8 +854,8 @@ int efx_mcdi_set_mac(struct efx_nic *efx)
BUILD_BUG_ON(MC_CMD_SET_MAC_OUT_LEN != 0);
- memcpy(MCDI_PTR(cmdbytes, SET_MAC_IN_ADDR),
- efx->net_dev->dev_addr, ETH_ALEN);
+ ether_addr_copy(MCDI_PTR(cmdbytes, SET_MAC_IN_ADDR),
+ efx->net_dev->dev_addr);
MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_MTU,
EFX_MAX_FRAME_LEN(efx->net_dev->mtu));
diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c
index 2664181..0fc5bae 100644
--- a/drivers/net/ethernet/sfc/selftest.c
+++ b/drivers/net/ethernet/sfc/selftest.c
@@ -50,7 +50,7 @@ struct efx_loopback_payload {
} __packed;
/* Loopback test source MAC address */
-static const unsigned char payload_source[ETH_ALEN] = {
+static const u8 payload_source[ETH_ALEN] __aligned(2) = {
0x00, 0x0f, 0x53, 0x1b, 0x1b, 0x1b,
};
@@ -366,8 +366,8 @@ static void efx_iterate_state(struct efx_nic *efx)
struct efx_loopback_payload *payload = &state->payload;
/* Initialise the layerII header */
- memcpy(&payload->header.h_dest, net_dev->dev_addr, ETH_ALEN);
- memcpy(&payload->header.h_source, &payload_source, ETH_ALEN);
+ ether_addr_copy((u8 *)&payload->header.h_dest, net_dev->dev_addr);
+ ether_addr_copy((u8 *)&payload->header.h_source, payload_source);
payload->header.h_proto = htons(ETH_P_IP);
/* saddr set later and used as incrementing count */
diff --git a/drivers/net/ethernet/sfc/siena_sriov.c b/drivers/net/ethernet/sfc/siena_sriov.c
index 0c38f92..9a9205e 100644
--- a/drivers/net/ethernet/sfc/siena_sriov.c
+++ b/drivers/net/ethernet/sfc/siena_sriov.c
@@ -1095,7 +1095,7 @@ static void efx_sriov_peer_work(struct work_struct *data)
/* Fill the remaining addresses */
list_for_each_entry(local_addr, &efx->local_addr_list, link) {
- memcpy(peer->mac_addr, local_addr->addr, ETH_ALEN);
+ ether_addr_copy(peer->mac_addr, local_addr->addr);
peer->tci = 0;
++peer;
++peer_count;
@@ -1303,8 +1303,7 @@ int efx_sriov_init(struct efx_nic *efx)
goto fail_vfs;
rtnl_lock();
- memcpy(vfdi_status->peers[0].mac_addr,
- net_dev->dev_addr, ETH_ALEN);
+ ether_addr_copy(vfdi_status->peers[0].mac_addr, net_dev->dev_addr);
efx->vf_init_count = efx->vf_count;
rtnl_unlock();
@@ -1452,8 +1451,8 @@ void efx_sriov_mac_address_changed(struct efx_nic *efx)
if (!efx->vf_init_count)
return;
- memcpy(vfdi_status->peers[0].mac_addr,
- efx->net_dev->dev_addr, ETH_ALEN);
+ ether_addr_copy(vfdi_status->peers[0].mac_addr,
+ efx->net_dev->dev_addr);
queue_work(vfdi_workqueue, &efx->peer_work);
}
@@ -1570,7 +1569,7 @@ int efx_sriov_set_vf_mac(struct net_device *net_dev, int vf_i, u8 *mac)
vf = efx->vf + vf_i;
mutex_lock(&vf->status_lock);
- memcpy(vf->addr.mac_addr, mac, ETH_ALEN);
+ ether_addr_copy(vf->addr.mac_addr, mac);
__efx_sriov_update_vf_addr(vf);
mutex_unlock(&vf->status_lock);
@@ -1633,7 +1632,7 @@ int efx_sriov_get_vf_config(struct net_device *net_dev, int vf_i,
vf = efx->vf + vf_i;
ivi->vf = vf_i;
- memcpy(ivi->mac, vf->addr.mac_addr, ETH_ALEN);
+ ether_addr_copy(ivi->mac, vf->addr.mac_addr);
ivi->tx_rate = 0;
tci = ntohs(vf->addr.tci);
ivi->vlan = tci & VLAN_VID_MASK;
--
1.7.11.7
--
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