Do not rearm interrupts if we are busy polling. mlx4 uses separate CQ for TX and RX, so number of TX interrupts does not change, unfortunately.
Signed-off-by: Eric Dumazet <[email protected]> Cc: Willem de Bruijn <[email protected]> Cc: Adam Belay <[email protected]> Cc: Tariq Toukan <[email protected]> Cc: Yuval Mintz <[email protected]> Cc: Ariel Elior <[email protected]> --- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 2cc91002064f..22f08f9ef464 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1137,8 +1137,8 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget) done = 0; } /* Done for now */ - napi_complete_done(napi, done); - mlx4_en_arm_cq(priv, cq); + if (napi_complete_done(napi, done)) + mlx4_en_arm_cq(priv, cq); return done; } -- 2.8.0.rc3.226.g39d4020
