diff options
| author | Cosmin Ratiu <cratiu@nvidia.com> | 2025-09-16 17:11:42 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-09-17 18:30:47 -0700 |
| commit | 325db9c6f69b1408ccd2c6e237fc07697a9f210f (patch) | |
| tree | 8c9da955b18836c38d8689d767285d73960340f9 /net/ipv4/tcp_output.c | |
| parent | 71fb4832d50b01f0af2d257360c239879ce93a8e (diff) | |
net/mlx5e: Use multiple CQ doorbells
Channel doorbells are now also used by all channel CQs.
A new 'uar' parameter is added to 'struct mlx5e_create_cq_param',
which is then used in mlx5e_alloc_cq.
A single UAR page has two TX doorbells and a single CQ doorbell, so
every consecutive pair of 'struct mlx5_sq_bfreg' (TX doorbells)
uses the same underlying 'struct mlx5_uars_page' (CQ doorbell).
So by using c->bfreg->up, CQs from every consecutive channel pair will
share the same CQ doorbell.
Non-channel associated CQs keep using the global CQ doorbell.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_output.c')
0 files changed, 0 insertions, 0 deletions