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 <sae...@mellanox.com>
Reviewed-by: Tariq Toukan <tar...@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c | 6 +++---
1 file 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);
--
2.11.0
