diff options
| author | Tariq Toukan | 2018-11-21 13:06:02 +0100 |
|---|---|---|
| committer | Saeed Mahameed | 2018-12-21 07:54:18 +0100 |
| commit | b8180392edd97cd5bfdf12270315a72fe601cf7e (patch) | |
| tree | eee72504792ef69d27fa3d2e9e92c5097e81e371 /drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | |
| parent | net/mlx5e: XDP, Warn upon polling an error CQE (diff) | |
| download | kernel-qcow2-linux-b8180392edd97cd5bfdf12270315a72fe601cf7e.tar.gz kernel-qcow2-linux-b8180392edd97cd5bfdf12270315a72fe601cf7e.tar.xz kernel-qcow2-linux-b8180392edd97cd5bfdf12270315a72fe601cf7e.zip | |
net/mlx5e: XDP, Replace boolean doorbell indication with segment pointer
Instead of calculating the control segment to be used upon an
XDP xmit doorbell, save it in SQ structure.
Nullify when no pending doorbell.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 407e285b0430..fb1cdf729efb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -126,11 +126,8 @@ bool mlx5e_xmit_xdp_frame(struct mlx5e_xdpsq *sq, struct mlx5e_xdp_info *xdpi) } if (unlikely(!mlx5e_wqc_has_room_for(wq, sq->cc, sq->pc, 1))) { - if (sq->doorbell) { - /* SQ is full, ring doorbell */ - mlx5e_xmit_xdp_doorbell(sq); - sq->doorbell = false; - } + /* SQ is full, ring doorbell */ + mlx5e_xmit_xdp_doorbell(sq); stats->full++; return false; } @@ -158,7 +155,7 @@ bool mlx5e_xmit_xdp_frame(struct mlx5e_xdpsq *sq, struct mlx5e_xdp_info *xdpi) sq->db.xdpi[pi] = *xdpi; sq->pc++; - sq->doorbell = true; + sq->doorbell_cseg = cseg; stats->xmit++; return true; @@ -309,10 +306,7 @@ void mlx5e_xdp_rx_poll_complete(struct mlx5e_rq *rq) { struct mlx5e_xdpsq *xdpsq = &rq->xdpsq; - if (xdpsq->doorbell) { - mlx5e_xmit_xdp_doorbell(xdpsq); - xdpsq->doorbell = false; - } + mlx5e_xmit_xdp_doorbell(xdpsq); if (xdpsq->redirect_flush) { xdp_do_flush_map(); |