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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2012-01-04 20:23:36 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-01-05 13:12:03 -0500 |
| commit | bdbc063129e811264cd6c311d8c2d9b95de01231 (patch) | |
| tree | 1039a1bb653ad6826fd36fc733f98b5ba8b0b71e | |
| parent | 13acde8fffc0afbe8341fe08d2c594243f905c1f (diff) | |
| download | linux-3.10-bdbc063129e811264cd6c311d8c2d9b95de01231.tar.gz linux-3.10-bdbc063129e811264cd6c311d8c2d9b95de01231.tar.bz2 linux-3.10-bdbc063129e811264cd6c311d8c2d9b95de01231.zip | |
igb: Add support for byte queue limits.
This adds support for byte queue limits (BQL)
Since this driver collects bytes count in 'bytecount' field, use it also
in igb_tx_map()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index c69feebf265..3d12e67eebb 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -447,4 +447,9 @@ static inline s32 igb_get_phy_info(struct e1000_hw *hw) return 0; } +static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring) +{ + return netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index); +} + #endif /* _IGB_H_ */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 89d576ce577..dcc68cc19da 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3201,6 +3201,7 @@ static void igb_clean_tx_ring(struct igb_ring *tx_ring) buffer_info = &tx_ring->tx_buffer_info[i]; igb_unmap_and_free_tx_resource(tx_ring, buffer_info); } + netdev_tx_reset_queue(txring_txq(tx_ring)); size = sizeof(struct igb_tx_buffer) * tx_ring->count; memset(tx_ring->tx_buffer_info, 0, size); @@ -4238,6 +4239,8 @@ static void igb_tx_map(struct igb_ring *tx_ring, frag++; } + netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount); + /* write last descriptor with RS and EOP bits */ cmd_type |= cpu_to_le32(size) | cpu_to_le32(IGB_TXD_DCMD); tx_desc->read.cmd_type_len = cmd_type; @@ -5777,6 +5780,8 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector) } } + netdev_tx_completed_queue(txring_txq(tx_ring), + total_packets, total_bytes); i += tx_ring->count; tx_ring->next_to_clean = i; u64_stats_update_begin(&tx_ring->tx_syncp); |