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| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2013-09-28 06:00:37 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-10-09 22:13:08 -0700 |
| commit | 7070ce0a6419a118842298bc967061ad6cea40db (patch) | |
| tree | 6a1343ae36fc60c7651b507e3196ad512a181ffd /drivers/net/ethernet/intel/i40e/i40e_txrx.c | |
| parent | i40e: Drop dead code and flags from Tx hotpath (diff) | |
| download | linux-dev-7070ce0a6419a118842298bc967061ad6cea40db.tar.xz linux-dev-7070ce0a6419a118842298bc967061ad6cea40db.zip | |
i40e: Add support for Tx byte queue limits
Implement BQL (byte queue limit) support in i40e.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 52dfac206f75..ad2818f26821 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -240,6 +240,13 @@ void i40e_clean_tx_ring(struct i40e_ring *tx_ring) tx_ring->next_to_use = 0; tx_ring->next_to_clean = 0; + + if (!tx_ring->netdev) + return; + + /* cleanup Tx queue statistics */ + netdev_tx_reset_queue(netdev_get_tx_queue(tx_ring->netdev, + tx_ring->queue_index)); } /** @@ -436,6 +443,10 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget) return true; } + netdev_tx_completed_queue(netdev_get_tx_queue(tx_ring->netdev, + tx_ring->queue_index), + total_packets, total_bytes); + #define TX_WAKE_THRESHOLD (DESC_NEEDED * 2) if (unlikely(total_packets && netif_carrier_ok(tx_ring->netdev) && (I40E_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))) { @@ -1602,6 +1613,10 @@ static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, build_ctob(td_cmd, td_offset, size, td_tag) | cpu_to_le64((u64)I40E_TXD_CMD << I40E_TXD_QW1_CMD_SHIFT); + netdev_tx_sent_queue(netdev_get_tx_queue(tx_ring->netdev, + tx_ring->queue_index), + first->bytecount); + /* set the timestamp */ first->time_stamp = jiffies; |