diff options
| author | Mark Zhang <markz@mellanox.com> | 2020-01-14 05:06:25 +0200 |
|---|---|---|
| committer | Leon Romanovsky <leonro@mellanox.com> | 2020-04-19 15:57:53 +0300 |
| commit | 59e9e8e4fe83f68e599b87c06aaf239dcc64887b (patch) | |
| tree | aa32654ac28ca31c09b149a8a79c613afe5d1318 /drivers | |
| parent | a2a322f447b91a9b85d332b345a3b508d97506a9 (diff) | |
net/mlx5: Enable SW-defined RoCEv2 UDP source port
When this is enabled, UDP source port for RoCEv2 packets are defined
by software instead of firmware.
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/main.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index a000cd820ace..0044aa5cc676 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -556,6 +556,31 @@ static int handle_hca_cap(struct mlx5_core_dev *dev, void *set_ctx) return set_caps(dev, set_ctx, MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE); } +static int handle_hca_cap_roce(struct mlx5_core_dev *dev, void *set_ctx) +{ + void *set_hca_cap; + int err; + + if (!MLX5_CAP_GEN(dev, roce)) + return 0; + + err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE); + if (err) + return err; + + if (MLX5_CAP_ROCE(dev, sw_r_roce_src_udp_port) || + !MLX5_CAP_ROCE_MAX(dev, sw_r_roce_src_udp_port)) + return 0; + + set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability); + memcpy(set_hca_cap, dev->caps.hca_cur[MLX5_CAP_ROCE], + MLX5_ST_SZ_BYTES(roce_cap)); + MLX5_SET(roce_cap, set_hca_cap, sw_r_roce_src_udp_port, 1); + + err = set_caps(dev, set_ctx, MLX5_SET_HCA_CAP_OP_MOD_ROCE); + return err; +} + static int set_hca_cap(struct mlx5_core_dev *dev) { int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in); @@ -586,6 +611,13 @@ static int set_hca_cap(struct mlx5_core_dev *dev) goto out; } + memset(set_ctx, 0, set_sz); + err = handle_hca_cap_roce(dev, set_ctx); + if (err) { + mlx5_core_err(dev, "handle_hca_cap_roce failed\n"); + goto out; + } + out: kfree(set_ctx); return err; |