diff options
| author | Stephen Hemminger <shemminger@vyatta.com> | 2009-06-17 11:30:36 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-06-18 05:46:52 +0400 |
| commit | bf15fe996e050332c018cf63dd51288b081cc556 (patch) | |
| tree | 60aa23279726e73f4649a0039e9f536f1ef72e1b /drivers/net/sky2.c | |
| parent | 6c83504ff24f4a6bf28ad865e7c0619b17349e08 (diff) | |
| download | linux-bf15fe996e050332c018cf63dd51288b081cc556.tar.xz | |
sky2: receive counter update
Since it is likely that there are multiple packets received per
interrupt, only update the receive counters once after all
packets are processed.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sky2.c')
| -rw-r--r-- | drivers/net/sky2.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index fd7accf8f305..1b8de4518adc 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -2357,11 +2357,25 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last) } } +static inline void sky2_rx_done(struct sky2_hw *hw, unsigned port, + unsigned packets, unsigned bytes) +{ + if (packets) { + struct net_device *dev = hw->dev[port]; + + dev->stats.rx_packets += packets; + dev->stats.rx_bytes += bytes; + dev->last_rx = jiffies; + sky2_rx_update(netdev_priv(dev), rxqaddr[port]); + } +} + /* Process status response ring */ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) { int work_done = 0; - unsigned rx[2] = { 0, 0 }; + unsigned int total_bytes[2] = { 0 }; + unsigned int total_packets[2] = { 0 }; rmb(); do { @@ -2388,7 +2402,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) le->opcode = 0; switch (opcode & ~HW_OWNER) { case OP_RXSTAT: - ++rx[port]; + total_packets[port]++; + total_bytes[port] += length; skb = sky2_receive(dev, length, status); if (unlikely(!skb)) { dev->stats.rx_dropped++; @@ -2406,9 +2421,6 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) } skb->protocol = eth_type_trans(skb, dev); - dev->stats.rx_packets++; - dev->stats.rx_bytes += skb->len; - dev->last_rx = jiffies; #ifdef SKY2_VLAN_TAG_USED if (sky2->vlgrp && (status & GMR_FS_VLAN)) { @@ -2487,11 +2499,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); exit_loop: - if (rx[0]) - sky2_rx_update(netdev_priv(hw->dev[0]), Q_R1); - - if (rx[1]) - sky2_rx_update(netdev_priv(hw->dev[1]), Q_R2); + sky2_rx_done(hw, 0, total_packets[0], total_bytes[0]); + sky2_rx_done(hw, 1, total_packets[1], total_bytes[1]); return work_done; } |