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OpenCloudOS-Kernel
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tile: update dev->stats directly in tilegx network driver 

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chris Metcalf 2013-08-01 11:36:42 -04:00 committed by David S. Miller
parent 2628e8af31
commit ad0181855a
1 changed files with 8 additions and 21 deletions
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29
drivers/net/ethernet/tile/tilegx.c
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@ -178,8 +178,6 @@ struct tile_net_priv {
int loopify_channel;
/* The egress channel (channel or loopify_channel). */
int echannel;
/* Total stats. */
struct net_device_stats stats;
};
/* Egress info, indexed by "priv->echannel" (lazily created as needed). */
@ -414,7 +412,6 @@ static void tile_net_receive_skb(struct net_device *dev, struct sk_buff *skb,
gxio_mpipe_idesc_t *idesc, unsigned long len)
{
struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
struct tile_net_priv *priv = netdev_priv(dev);
/* Encode the actual packet length. */
skb_put(skb, len);
@ -428,8 +425,8 @@ static void tile_net_receive_skb(struct net_device *dev, struct sk_buff *skb,
netif_receive_skb(skb);
/* Update stats. */
tile_net_stats_add(1, &priv->stats.rx_packets);
tile_net_stats_add(len, &priv->stats.rx_bytes);
tile_net_stats_add(1, &dev->stats.rx_packets);
tile_net_stats_add(len, &dev->stats.rx_bytes);
/* Need a new buffer. */
if (idesc->size == buffer_size_enums[0])
@ -445,7 +442,6 @@ static bool tile_net_handle_packet(gxio_mpipe_idesc_t *idesc)
{
struct tile_net_info *info = &__get_cpu_var(per_cpu_info);
struct net_device *dev = tile_net_devs_for_channel[idesc->channel];
struct tile_net_priv *priv = netdev_priv(dev);
uint8_t l2_offset;
void *va;
void *buf;
@ -459,7 +455,7 @@ static bool tile_net_handle_packet(gxio_mpipe_idesc_t *idesc)
*/
if (idesc->be || idesc->me || idesc->tr || idesc->ce) {
if (dev)
tile_net_stats_add(1, &priv->stats.rx_errors);
tile_net_stats_add(1, &dev->stats.rx_errors);
goto drop;
}
@ -479,7 +475,7 @@ static bool tile_net_handle_packet(gxio_mpipe_idesc_t *idesc)
filter = filter_packet(dev, buf);
if (filter) {
if (dev)
tile_net_stats_add(1, &priv->stats.rx_dropped);
tile_net_stats_add(1, &dev->stats.rx_dropped);
drop:
gxio_mpipe_iqueue_drop(&info->iqueue, idesc);
} else {
@ -1502,7 +1498,6 @@ static void tso_headers_prepare(struct sk_buff *skb, unsigned char *headers,
static void tso_egress(struct net_device *dev, gxio_mpipe_equeue_t *equeue,
struct sk_buff *skb, unsigned char *headers, s64 slot)
{
struct tile_net_priv *priv = netdev_priv(dev);
struct skb_shared_info *sh = skb_shinfo(skb);
unsigned int sh_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
unsigned int data_len = skb->len - sh_len;
@ -1580,8 +1575,8 @@ static void tso_egress(struct net_device *dev, gxio_mpipe_equeue_t *equeue,
}
/* Update stats. */
tile_net_stats_add(tx_packets, &priv->stats.tx_packets);
tile_net_stats_add(tx_bytes, &priv->stats.tx_bytes);
tile_net_stats_add(tx_packets, &dev->stats.tx_packets);
tile_net_stats_add(tx_bytes, &dev->stats.tx_bytes);
}
/* Do "TSO" handling for egress.
@ -1724,9 +1719,9 @@ static int tile_net_tx(struct sk_buff *skb, struct net_device *dev)
add_comp(equeue, comps, slot - 1, skb);
/* NOTE: Use ETH_ZLEN for short packets (e.g. 42 < 60). */
tile_net_stats_add(1, &priv->stats.tx_packets);
tile_net_stats_add(1, &dev->stats.tx_packets);
tile_net_stats_add(max_t(unsigned int, len, ETH_ZLEN),
&priv->stats.tx_bytes);
&dev->stats.tx_bytes);
local_irq_restore(irqflags);
@ -1757,13 +1752,6 @@ static int tile_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return -EOPNOTSUPP;
}
/* Get system network statistics for device. */
static struct net_device_stats *tile_net_get_stats(struct net_device *dev)
{
struct tile_net_priv *priv = netdev_priv(dev);
return &priv->stats;
}
/* Change the MTU. */
static int tile_net_change_mtu(struct net_device *dev, int new_mtu)
{
@ -1813,7 +1801,6 @@ static const struct net_device_ops tile_net_ops = {
.ndo_start_xmit = tile_net_tx,
.ndo_select_queue = tile_net_select_queue,
.ndo_do_ioctl = tile_net_ioctl,
.ndo_get_stats = tile_net_get_stats,
.ndo_change_mtu = tile_net_change_mtu,
.ndo_tx_timeout = tile_net_tx_timeout,
.ndo_set_mac_address = tile_net_set_mac_address,