AcoSail/kernel_optimize_test
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drivers: net: last_rx elimination

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Network drivers do not have to update last_rx, unless they need it for
their private use.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2010-04-10 22:48:14 +00:00 committed by David S. Miller
parent acbbc07145
commit 127aa0e14b
7 changed files with 0 additions and 9 deletions
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1
drivers/net/bcm63xx_enet.c
View File

@ -344,7 +344,6 @@ static int bcm_enet_receive_queue(struct net_device *dev, int budget)
skb->protocol = eth_type_trans(skb, dev);
priv->stats.rx_packets++;
priv->stats.rx_bytes += len;
dev->last_rx = jiffies;
netif_receive_skb(skb);
} while (--budget > 0);

2
drivers/net/can/at91_can.c
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@ -661,7 +661,6 @@ static int at91_poll_err(struct net_device *dev, int quota, u32 reg_sr)
at91_poll_err_frame(dev, cf, reg_sr);
netif_receive_skb(skb);
dev->last_rx = jiffies;
dev->stats.rx_packets++;
dev->stats.rx_bytes += cf->can_dlc;
@ -898,7 +897,6 @@ static void at91_irq_err(struct net_device *dev)
at91_irq_err_state(dev, cf, new_state);
netif_rx(skb);
dev->last_rx = jiffies;
dev->stats.rx_packets++;
dev->stats.rx_bytes += cf->can_dlc;

1
drivers/net/ixgbevf/ixgbevf_main.c
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@ -611,7 +611,6 @@ static bool ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector,
skb->protocol = eth_type_trans(skb, adapter->netdev);
ixgbevf_receive_skb(q_vector, skb, staterr, rx_ring, rx_desc);
adapter->netdev->last_rx = jiffies;
next_desc:
rx_desc->wb.upper.status_error = 0;

2
drivers/net/ksz884x.c
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@ -5054,8 +5054,6 @@ static inline int rx_proc(struct net_device *dev, struct ksz_hw* hw,
priv->stats.rx_bytes += packet_len;
/* Notify upper layer for received packet. */
dev->last_rx = jiffies;
rx_status = netif_rx(skb);
return 0;

1
drivers/net/octeon/octeon_mgmt.c
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@ -317,7 +317,6 @@ static int octeon_mgmt_receive_one(struct octeon_mgmt *p)
skb->protocol = eth_type_trans(skb, netdev);
netdev->stats.rx_packets++;
netdev->stats.rx_bytes += skb->len;
netdev->last_rx = jiffies;
netif_receive_skb(skb);
rc = 0;
} else if (re.s.code == RING_ENTRY_CODE_MORE) {

1
drivers/net/stmmac/stmmac_main.c
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@ -1280,7 +1280,6 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
priv->dev->stats.rx_packets++;
priv->dev->stats.rx_bytes += frame_len;
priv->dev->last_rx = jiffies;
}
entry = next_entry;
p = p_next; /* use prefetched values */

1
drivers/net/vmxnet3/vmxnet3_drv.c
View File

@ -1174,7 +1174,6 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
netif_receive_skb(skb);
}
adapter->netdev->last_rx = jiffies;
ctx->skb = NULL;
}