diff options
| author | Tom Herbert <therbert@google.com> | 2011-11-28 16:33:16 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-11-29 12:46:19 -0500 |
| commit | 3f0cfa3bc11e7f00c9994e0f469cbc0e7da7b00c (patch) | |
| tree | d6670a4f94b2b9dedacc38edb6f0e1306b889f6b /drivers | |
| parent | 114cf5802165ee93e3ab461c9c505cd94a08b800 (diff) | |
| download | linux-3f0cfa3bc11e7f00c9994e0f469cbc0e7da7b00c.tar.bz2 | |
e1000e: Support for byte queue limits
Changes to e1000e to use byte queue limits.
Signed-off-by: Tom Herbert <therbert@google.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index a5bd7a3dafc9..c6e976302f97 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -1079,6 +1079,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) unsigned int i, eop; unsigned int count = 0; unsigned int total_tx_bytes = 0, total_tx_packets = 0; + unsigned int bytes_compl = 0, pkts_compl = 0; i = tx_ring->next_to_clean; eop = tx_ring->buffer_info[i].next_to_watch; @@ -1096,6 +1097,10 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) if (cleaned) { total_tx_packets += buffer_info->segs; total_tx_bytes += buffer_info->bytecount; + if (buffer_info->skb) { + bytes_compl += buffer_info->skb->len; + pkts_compl++; + } } e1000_put_txbuf(adapter, buffer_info); @@ -1114,6 +1119,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) tx_ring->next_to_clean = i; + netdev_completed_queue(netdev, pkts_compl, bytes_compl); + #define TX_WAKE_THRESHOLD 32 if (count && netif_carrier_ok(netdev) && e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) { @@ -2240,6 +2247,7 @@ static void e1000_clean_tx_ring(struct e1000_adapter *adapter) e1000_put_txbuf(adapter, buffer_info); } + netdev_reset_queue(adapter->netdev); size = sizeof(struct e1000_buffer) * tx_ring->count; memset(tx_ring->buffer_info, 0, size); @@ -5027,6 +5035,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, /* if count is 0 then mapping error has occurred */ count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss); if (count) { + netdev_sent_queue(netdev, skb->len); e1000_tx_queue(adapter, tx_flags, count); /* Make sure there is space in the ring for the next send. */ e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2); |