diff options
| author |   Alexander Duyck <aduyck@mirantis.com> | 2016-03-07 09:30:03 -0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-04-05 01:58:53 -0700 |
| commit | a619afe814453300684f1d5a6478d67f791bc723 (patch) | |
| tree | a94b271a6360b3837990f6eba1780ddad28cdae7 /drivers/net/ethernet/intel/i40evf/i40e_txrx.c | |
| parent | i40e/i40evf: Fix handling of boolean logic in polling routines (diff) | |
| download | linux-dev-a619afe814453300684f1d5a6478d67f791bc723.tar.xz linux-dev-a619afe814453300684f1d5a6478d67f791bc723.zip | |
i40e/i40evf: Add support for bulk free in Tx cleanup
This patch enables bulk Tx clean for skbs. In order to enable it we need
to pass the napi_budget value as that is used to determine if we are truly
running in NAPI mode or if we are simply calling the routine from netpoll
with a budget of 0. In order to avoid adding too many more variables I
thought it best to pass the VSI directly in a fashion similar to what we do
on igb and ixgbe with the q_vector.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40e_txrx.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index 839a6df62f72..9e911363c11b 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -155,19 +155,21 @@ u32 i40evf_get_tx_pending(struct i40e_ring *ring, bool in_sw) /** * i40e_clean_tx_irq - Reclaim resources after transmit completes - * @tx_ring: tx ring to clean - * @budget: how many cleans we're allowed + * @vsi: the VSI we care about + * @tx_ring: Tx ring to clean + * @napi_budget: Used to determine if we are in netpoll * * Returns true if there's any budget left (e.g. the clean is finished) **/ -static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget) +static bool i40e_clean_tx_irq(struct i40e_vsi *vsi, + struct i40e_ring *tx_ring, int napi_budget) { u16 i = tx_ring->next_to_clean; struct i40e_tx_buffer *tx_buf; struct i40e_tx_desc *tx_head; struct i40e_tx_desc *tx_desc; - unsigned int total_packets = 0; - unsigned int total_bytes = 0; + unsigned int total_bytes = 0, total_packets = 0; + unsigned int budget = vsi->work_limit; tx_buf = &tx_ring->tx_bi[i]; tx_desc = I40E_TX_DESC(tx_ring, i); @@ -197,7 +199,7 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget) total_packets += tx_buf->gso_segs; /* free the skb */ - dev_kfree_skb_any(tx_buf->skb); + napi_consume_skb(tx_buf->skb, napi_budget); /* unmap skb header data */ dma_unmap_single(tx_ring->dev, @@ -267,7 +269,7 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget) if (budget && ((j / (WB_STRIDE + 1)) == 0) && (j > 0) && - !test_bit(__I40E_DOWN, &tx_ring->vsi->state) && + !test_bit(__I40E_DOWN, &vsi->state) && (I40E_DESC_UNUSED(tx_ring) != tx_ring->count)) tx_ring->arm_wb = true; } @@ -285,7 +287,7 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget) smp_mb(); if (__netif_subqueue_stopped(tx_ring->netdev, tx_ring->queue_index) && - !test_bit(__I40E_DOWN, &tx_ring->vsi->state)) { + !test_bit(__I40E_DOWN, &vsi->state)) { netif_wake_subqueue(tx_ring->netdev, tx_ring->queue_index); ++tx_ring->tx_stats.restart_queue; @@ -1411,7 +1413,7 @@ int i40evf_napi_poll(struct napi_struct *napi, int budget) * budget and be more aggressive about cleaning up the Tx descriptors. */ i40e_for_each_ring(ring, q_vector->tx) { - if (!i40e_clean_tx_irq(ring, vsi->work_limit)) { + if (!i40e_clean_tx_irq(vsi, ring, budget)) { clean_complete = false; continue; } |