sky2: add bql support
This adds support for byte queue limits and aggregates statistics
update (suggestion from Eric).
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@drr.davemloft.net>
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 29adc78..760c2b1 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -1110,6 +1110,7 @@
sky2->tx_prod = sky2->tx_cons = 0;
sky2->tx_tcpsum = 0;
sky2->tx_last_mss = 0;
+ netdev_reset_queue(sky2->netdev);
le = get_tx_le(sky2, &sky2->tx_prod);
le->addr = 0;
@@ -1971,6 +1972,7 @@
if (tx_avail(sky2) <= MAX_SKB_TX_LE)
netif_stop_queue(dev);
+ netdev_sent_queue(dev, skb->len);
sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod);
return NETDEV_TX_OK;
@@ -2002,7 +2004,8 @@
static void sky2_tx_complete(struct sky2_port *sky2, u16 done)
{
struct net_device *dev = sky2->netdev;
- unsigned idx;
+ u16 idx;
+ unsigned int bytes_compl = 0, pkts_compl = 0;
BUG_ON(done >= sky2->tx_ring_size);
@@ -2017,10 +2020,8 @@
netif_printk(sky2, tx_done, KERN_DEBUG, dev,
"tx done %u\n", idx);
- u64_stats_update_begin(&sky2->tx_stats.syncp);
- ++sky2->tx_stats.packets;
- sky2->tx_stats.bytes += skb->len;
- u64_stats_update_end(&sky2->tx_stats.syncp);
+ pkts_compl++;
+ bytes_compl += skb->len;
re->skb = NULL;
dev_kfree_skb_any(skb);
@@ -2031,6 +2032,13 @@
sky2->tx_cons = idx;
smp_mb();
+
+ netdev_completed_queue(dev, pkts_compl, bytes_compl);
+
+ u64_stats_update_begin(&sky2->tx_stats.syncp);
+ sky2->tx_stats.packets += pkts_compl;
+ sky2->tx_stats.bytes += bytes_compl;
+ u64_stats_update_end(&sky2->tx_stats.syncp);
}
static void sky2_tx_reset(struct sky2_hw *hw, unsigned port)