From: Cosmin Ratiu <[email protected]> Make use of the mutual exclusion mechanism from the previous patch to make sure only PSP or TC offload is active on a device. Later in the series, the PSP protocol marker will move to the flow_tag, which is also used by TC offload.
Signed-off-by: Cosmin Ratiu <[email protected]> Reviewed-by: Carolina Jubran <[email protected]> Reviewed-by: Dragos Tatulea <[email protected]> Signed-off-by: Tariq Toukan <[email protected]> --- .../net/ethernet/mellanox/mlx5/core/en_accel/psp.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c index 73b232379263..6cc4b9d54f6e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c @@ -6,6 +6,7 @@ #include "mlx5_core.h" #include "psp.h" #include "lib/crypto.h" +#include "en_accel/en_accel.h" #include "en_accel/psp.h" #include "fs_core.h" @@ -526,6 +527,7 @@ accel_psp_fs_rx_decrypt_ft_create(struct mlx5e_psp_fs *fs, static void accel_psp_fs_rx_destroy(struct mlx5e_psp_fs *fs) { struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(fs->fs, false); + bool tc_blocked = fs->rx.ft; int i; /* disconnect */ @@ -535,6 +537,8 @@ static void accel_psp_fs_rx_destroy(struct mlx5e_psp_fs *fs) } accel_psp_fs_rx_check_ft_destroy(&fs->check); accel_psp_fs_rx_ft_destroy(&fs->rx); + if (tc_blocked) + mlx5e_accel_unblock_tc_offload(fs->mdev); } static int accel_psp_fs_rx_create(struct mlx5e_psp_fs *fs, @@ -543,10 +547,16 @@ static int accel_psp_fs_rx_create(struct mlx5e_psp_fs *fs, struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(fs->fs, false); int i, err; + err = mlx5e_accel_block_tc_offload(fs->mdev); + if (err) { + NL_SET_ERR_MSG(extack, "TC offload active, cannot enable PSP"); + return err; + } + err = accel_psp_fs_rx_ft_create(fs, &fs->rx); if (err) { NL_SET_ERR_MSG(extack, "Failed creating RX steering table"); - return err; + goto err_unblock_tc; } err = accel_psp_fs_rx_check_ft_create(fs, &fs->check); @@ -583,6 +593,8 @@ static int accel_psp_fs_rx_create(struct mlx5e_psp_fs *fs, accel_psp_fs_rx_check_ft_destroy(&fs->check); err_ft: accel_psp_fs_rx_ft_destroy(&fs->rx); +err_unblock_tc: + mlx5e_accel_unblock_tc_offload(fs->mdev); return err; } -- 2.44.0
