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| author |   Tariq Toukan <tariqt@nvidia.com> | 2021-02-10 14:58:01 +0200 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@nvidia.com> | 2021-03-31 13:12:24 -0700 |
| commit | 3ff3874fa0b261ef74f2bfb008a82ab1601c11eb (patch) | |
| tree | 075c22160c8e2a0a506cf9b4b3cbaa2f06f7fb7d /drivers/net/ethernet/mellanox/mlx5/core/en.h | |
| parent | net/mlx5e: Consider geneve_opts for encap contexts (diff) | |
| download | linux-dev-3ff3874fa0b261ef74f2bfb008a82ab1601c11eb.tar.xz linux-dev-3ff3874fa0b261ef74f2bfb008a82ab1601c11eb.zip | |
net/mlx5e: Guarantee room for XSK wakeup NOP on async ICOSQ
XSK wakeup flow triggers an IRQ by posting a NOP WQE and hitting
the doorbell on the async ICOSQ.
It maintains its state so that it doesn't issue another NOP WQE
if it has an outstanding one already.
For this flow to work properly, the NOP post must not fail.
Make sure to reserve room for the NOP WQE in all WQE posts to the
async ICOSQ.
Fixes: 8d94b590f1e4 ("net/mlx5e: Turn XSK ICOSQ into a general asynchronous one")
Fixes: 1182f3659357 ("net/mlx5e: kTLS, Add kTLS RX HW offload support")
Fixes: 0419d8c9d8f8 ("net/mlx5e: kTLS, Add kTLS RX resync support")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 304b296fe8b9..bc6f77ea0a31 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -516,6 +516,7 @@ struct mlx5e_icosq { struct mlx5_wq_cyc wq; void __iomem *uar_map; u32 sqn; + u16 reserved_room; unsigned long state; /* control path */ |