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authorDavid S. Miller <davem@davemloft.net>2011-12-01 22:15:47 -0500
committerDavid S. Miller <davem@davemloft.net>2011-12-01 22:15:47 -0500
commitefa230f2c68abab817f13473077f8d0cc74f43f3 (patch)
tree239c1337852092eb56bd7aa0714fc19064b767b3
parent63ec3c83e7ba6f23227d3ff69c5792911266bd75 (diff)
downloadlinux-linaro-stable-efa230f2c68abab817f13473077f8d0cc74f43f3.tar.gz
niu: Add support for byte queue limits.
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/sun/niu.c12
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;