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| author | David S. Miller <davem@davemloft.net> | 2011-12-02 07:15:47 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-02 07:15:47 +0400 |
| commit | efa230f2c68abab817f13473077f8d0cc74f43f3 (patch) | |
| tree | 239c1337852092eb56bd7aa0714fc19064b767b3 /drivers/net/ethernet/sun/niu.c | |
| parent | 63ec3c83e7ba6f23227d3ff69c5792911266bd75 (diff) | |
| download | linux-efa230f2c68abab817f13473077f8d0cc74f43f3.tar.xz | |
niu: Add support for byte queue limits.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sun/niu.c')
| -rw-r--r-- | drivers/net/ethernet/sun/niu.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 56d106e58088..88e6b1501ec8 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -3598,6 +3598,7 @@ static int release_tx_packet(struct niu *np, struct tx_ring_info *rp, int idx) static void niu_tx_work(struct niu *np, struct tx_ring_info *rp) { struct netdev_queue *txq; + unsigned int tx_bytes; u16 pkt_cnt, tmp; int cons, index; u64 cs; @@ -3620,12 +3621,18 @@ static void niu_tx_work(struct niu *np, struct tx_ring_info *rp) netif_printk(np, tx_done, KERN_DEBUG, np->dev, "%s() pkt_cnt[%u] cons[%d]\n", __func__, pkt_cnt, cons); - while (pkt_cnt--) + tx_bytes = 0; + tmp = pkt_cnt; + while (tmp--) { + tx_bytes += rp->tx_buffs[cons].skb->len; cons = release_tx_packet(np, rp, cons); + } rp->cons = cons; smp_mb(); + netdev_tx_completed_queue(txq, pkt_cnt, tx_bytes); + out: if (unlikely(netif_tx_queue_stopped(txq) && (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)))) { @@ -4326,6 +4333,7 @@ static void niu_free_channels(struct niu *np) struct tx_ring_info *rp = &np->tx_rings[i]; niu_free_tx_ring_info(np, rp); + netdev_tx_reset_queue(netdev_get_tx_queue(np->dev, i)); } kfree(np->tx_rings); np->tx_rings = NULL; @@ -6731,6 +6739,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb, prod = NEXT_TX(rp, prod); } + netdev_tx_sent_queue(txq, skb->len); + if (prod < rp->prod) rp->wrap_bit ^= TX_RING_KICK_WRAP; rp->prod = prod; |