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Code Issues Releases Wiki Activity

net: batch of last_rx update avoidance in ethernet drivers.

Browse source 
None of those drivers uses last_rx for its own needs.

See 4dc89133f4 ("net: add a comment on
netdev->last_rx") for reference.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Wingman Kwok <w-kwok2@ti.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
françois romieu 2015-05-14 20:17:22 +02:00 committed by David S. Miller
parent 7852dada15
commit 4ffd3c730e
7 changed files with 0 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
View file

@ -2072,7 +2072,6 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget)
skb_record_rx_queue(skb, channel->queue_index);
skb_mark_napi_id(skb, napi);
netdev->last_rx = jiffies;
napi_gro_receive(napi, skb);
next_packet:

1
drivers/net/ethernet/hisilicon/hix5hd2_gmac.c
View file

@ -500,7 +500,6 @@ static int hix5hd2_rx(struct net_device *dev, int limit)
napi_gro_receive(&priv->napi, skb);
dev->stats.rx_packets++;
dev->stats.rx_bytes += skb->len;
dev->last_rx = jiffies;
next:
pos = dma_ring_incr(pos, RX_DESC_NUM);
}

2
drivers/net/ethernet/intel/i40e/i40e_txrx.c
View file

@ -1688,7 +1688,6 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget)
skb_mark_napi_id(skb, &rx_ring->q_vector->napi);
i40e_receive_skb(rx_ring, skb, vlan_tag);
rx_ring->netdev->last_rx = jiffies;
rx_desc->wb.qword1.status_error_len = 0;
} while (likely(total_rx_packets < budget));
@ -1821,7 +1820,6 @@ static int i40e_clean_rx_irq_1buf(struct i40e_ring *rx_ring, int budget)
#endif
i40e_receive_skb(rx_ring, skb, vlan_tag);
rx_ring->netdev->last_rx = jiffies;
rx_desc->wb.qword1.status_error_len = 0;
} while (likely(total_rx_packets < budget));

2
drivers/net/ethernet/intel/i40evf/i40e_txrx.c
View file

@ -1156,7 +1156,6 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget)
skb_mark_napi_id(skb, &rx_ring->q_vector->napi);
i40e_receive_skb(rx_ring, skb, vlan_tag);
rx_ring->netdev->last_rx = jiffies;
rx_desc->wb.qword1.status_error_len = 0;
} while (likely(total_rx_packets < budget));
@ -1271,7 +1270,6 @@ static int i40e_clean_rx_irq_1buf(struct i40e_ring *rx_ring, int budget)
: 0;
i40e_receive_skb(rx_ring, skb, vlan_tag);
rx_ring->netdev->last_rx = jiffies;
rx_desc->wb.qword1.status_error_len = 0;
} while (likely(total_rx_packets < budget));

1
drivers/net/ethernet/moxa/moxart_ether.c
View file

@ -244,7 +244,6 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget)
napi_gro_receive(&priv->napi, skb);
rx++;
ndev->last_rx = jiffies;
priv->stats.rx_packets++;
priv->stats.rx_bytes += len;
if (desc0 & RX_DESC0_MULTICAST)

1
drivers/net/ethernet/ti/netcp_core.c
View file

@ -698,7 +698,6 @@ static int netcp_process_one_rx_packet(struct netcp_intf *netcp)
}
}
netcp->ndev->last_rx = jiffies;
netcp->ndev->stats.rx_packets++;
netcp->ndev->stats.rx_bytes += skb->len;

3
drivers/net/ethernet/tile/tilepro.c
View file

@ -721,9 +721,6 @@ static bool tile_net_poll_aux(struct tile_net_cpu *info, int index)
if (!hash_default)
__inv_buffer(buf, len);
/* ISSUE: Is this needed? */
dev->last_rx = jiffies;
#ifdef TILE_NET_DUMP_PACKETS
dump_packet(buf, len, "rx");
#endif /* TILE_NET_DUMP_PACKETS */