diff options
| author |   Saeed Mahameed <saeedm@mellanox.com> | 2017-03-25 00:52:09 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-03-24 19:11:46 -0700 |
| commit | 39e12351a308fe022930d0423d88e3aedde795b1 (patch) | |
| tree | d14ed2de957c266350012af4eedab7bf6d62f68d /drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c | |
| parent | net/mlx5e: Move XDP SQ instance into RQ (diff) | |
| download | linux-dev-39e12351a308fe022930d0423d88e3aedde795b1.tar.xz linux-dev-39e12351a308fe022930d0423d88e3aedde795b1.zip | |
net/mlx5e: Poll XDP TX CQ before RX CQ
Handle XDP TX completions before handling RX packets, to make sure more
free space is available for XDP TX packets a moment before handling
RX packets.
Performance improvement:
System: Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz
Test case Before Now improvement
---------------------------------------------------------------
XDP Drop (1 core) 16.9Mpps 16.9Mpps No change
XDP TX (1 core) 12Mpps 13Mpps 8%
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c index 9beeb4a1212f..c880022bb21a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c @@ -118,12 +118,12 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) for (i = 0; i < c->num_tc; i++) busy |= mlx5e_poll_tx_cq(&c->sq[i].cq, budget); - work_done = mlx5e_poll_rx_cq(&c->rq.cq, budget); - busy |= work_done == budget; - if (c->xdp) busy |= mlx5e_poll_xdpsq_cq(&c->rq.xdpsq.cq); + work_done = mlx5e_poll_rx_cq(&c->rq.cq, budget); + busy |= work_done == budget; + mlx5e_poll_ico_cq(&c->icosq.cq); busy |= mlx5e_post_rx_wqes(&c->rq); |