diff options
| author |   David Woodhouse <dwmw2@infradead.org> | 2012-11-22 03:16:58 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-11-25 15:54:23 -0500 |
| commit | 871f0d4c153e1258d4becf306eca6761bf38b629 (patch) | |
| tree | 4160014e5bc0c793b3825b53bf1f6787e897f90a /drivers/net/ethernet/realtek/8139cp.c | |
| parent | 8139cp: set ring address after enabling C+ mode (diff) | |
| download | linux-dev-871f0d4c153e1258d4becf306eca6761bf38b629.tar.xz linux-dev-871f0d4c153e1258d4becf306eca6761bf38b629.zip | |
8139cp: enable bql
This adds support for byte queue limits on RTL8139C+
Tested on real hardware.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-By: Dave Täht <dave.taht@bufferbloat.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/realtek/8139cp.c')
| -rw-r--r-- | drivers/net/ethernet/realtek/8139cp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index 5166d94a2240..3de318d557f0 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -648,6 +648,7 @@ static void cp_tx (struct cp_private *cp) { unsigned tx_head = cp->tx_head; unsigned tx_tail = cp->tx_tail; + unsigned bytes_compl = 0, pkts_compl = 0; while (tx_tail != tx_head) { struct cp_desc *txd = cp->tx_ring + tx_tail; @@ -666,6 +667,9 @@ static void cp_tx (struct cp_private *cp) le32_to_cpu(txd->opts1) & 0xffff, PCI_DMA_TODEVICE); + bytes_compl += skb->len; + pkts_compl++; + if (status & LastFrag) { if (status & (TxError | TxFIFOUnder)) { netif_dbg(cp, tx_err, cp->dev, @@ -697,6 +701,7 @@ static void cp_tx (struct cp_private *cp) cp->tx_tail = tx_tail; + netdev_completed_queue(cp->dev, pkts_compl, bytes_compl); if (TX_BUFFS_AVAIL(cp) > (MAX_SKB_FRAGS + 1)) netif_wake_queue(cp->dev); } @@ -843,6 +848,8 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, wmb(); } cp->tx_head = entry; + + netdev_sent_queue(dev, skb->len); netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n", entry, skb->len); if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1)) @@ -937,6 +944,8 @@ static void cp_stop_hw (struct cp_private *cp) cp->rx_tail = 0; cp->tx_head = cp->tx_tail = 0; + + netdev_reset_queue(cp->dev); } static void cp_reset_hw (struct cp_private *cp) @@ -987,6 +996,8 @@ static inline void cp_start_hw (struct cp_private *cp) * This variant appears to work fine. */ cpw8(Cmd, RxOn | TxOn); + + netdev_reset_queue(cp->dev); } static void cp_enable_irq(struct cp_private *cp) |