diff options
| author | Tariq Toukan <tariqt@nvidia.com> | 2023-04-17 15:18:54 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-04-19 08:59:26 +0100 |
| commit | c1783e74fc042adc28907ac7229b01ed20da31f9 (patch) | |
| tree | 2725173ad4941b2a0ec3ffb76123169eb497b97e /drivers/net/ethernet/mellanox/mlx5/core/en_main.c | |
| parent | 3f734b8c594bd378b0266cd98d6ce12b459da1d4 (diff) | |
net/mlx5e: XDP, Add support for multi-buffer XDP redirect-in
Handle multi-buffer XDP redirect-in requests coming through
mlx5e_xdp_xmit.
Extend struct mlx5e_xmit_data_frags with an additional dma_arr field, to
point to the fragments dma mapping, as they cannot be retrieved via the
page_pool_get_dma_addr() function.
Push a dma_addr xdpi instance per each fragment, and use them in the
completion flow to dma_unmap the frags.
Finally, remove the restriction in mlx5e_open_xdpsq, and set the flag in
xdp_features.
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 0b5aafaefe4c..ccf7bb136f50 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -1862,11 +1862,7 @@ int mlx5e_open_xdpsq(struct mlx5e_channel *c, struct mlx5e_params *params, csp.min_inline_mode = sq->min_inline_mode; set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); - /* Don't enable multi buffer on XDP_REDIRECT SQ, as it's not yet - * supported by upstream, and there is no defined trigger to allow - * transmitting redirected multi-buffer frames. - */ - if (param->is_xdp_mb && !is_redirect) + if (param->is_xdp_mb) set_bit(MLX5E_SQ_STATE_XDP_MULTIBUF, &sq->state); err = mlx5e_create_sq_rdy(c->mdev, param, &csp, 0, &sq->sqn); @@ -4068,7 +4064,8 @@ void mlx5e_set_xdp_feature(struct net_device *netdev) val = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | NETDEV_XDP_ACT_XSK_ZEROCOPY | - NETDEV_XDP_ACT_NDO_XMIT; + NETDEV_XDP_ACT_NDO_XMIT | + NETDEV_XDP_ACT_NDO_XMIT_SG; if (params->rq_wq_type == MLX5_WQ_TYPE_CYCLIC) val |= NETDEV_XDP_ACT_RX_SG; xdp_set_features_flag(netdev, val); |