diff options
| author | Ilan Tayari | 2017-06-19 13:04:36 +0200 |
|---|---|---|
| committer | Saeed Mahameed | 2017-06-27 15:36:47 +0200 |
| commit | 899a59d301bc0ccd312dd23d58899cfbbc94bead (patch) | |
| tree | 688c2e2bfccf898149812b7798002dfba682a00c /drivers/net/ethernet/mellanox/mlx5/core/en_main.c | |
| parent | net/mlx5e: IPSec, Innova IPSec offload infrastructure (diff) | |
| download | kernel-qcow2-linux-899a59d301bc0ccd312dd23d58899cfbbc94bead.tar.gz kernel-qcow2-linux-899a59d301bc0ccd312dd23d58899cfbbc94bead.tar.xz kernel-qcow2-linux-899a59d301bc0ccd312dd23d58899cfbbc94bead.zip | |
net/mlx5e: IPSec, Add Innova IPSec offload RX data path
In RX data path, the hardware prepends a special metadata ethertype
which indicates that the packet underwent decryption, and the result of
the authentication check.
Communicate this to the stack in skb->sp.
Make wqe_size large enough to account for the injected metadata.
Support only Linked-list RQ type.
IPSec offload RX packets may have useful CHECKSUM_COMPLETE information,
which the stack may not be able to use yet.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index aa5a7aa59ff3..170a9378d1f7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -40,6 +40,8 @@ #include "en_tc.h" #include "en_rep.h" #include "en_accel/ipsec.h" +#include "en_accel/ipsec_rxtx.h" +#include "accel/ipsec.h" #include "vxlan.h" struct mlx5e_rq_param { @@ -116,7 +118,7 @@ void mlx5e_set_rq_type_params(struct mlx5_core_dev *mdev, static void mlx5e_set_rq_params(struct mlx5_core_dev *mdev, struct mlx5e_params *params) { u8 rq_type = mlx5e_check_fragmented_striding_rq_cap(mdev) && - !params->xdp_prog ? + !params->xdp_prog && !MLX5_IPSEC_DEV(mdev) ? MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ : MLX5_WQ_TYPE_LINKED_LIST; mlx5e_set_rq_type_params(mdev, params, rq_type); @@ -593,6 +595,13 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe; rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe_mpwqe; +#ifdef CONFIG_MLX5_EN_IPSEC + if (MLX5_IPSEC_DEV(mdev)) { + err = -EINVAL; + netdev_err(c->netdev, "MPWQE RQ with IPSec offload not supported\n"); + goto err_rq_wq_destroy; + } +#endif if (!rq->handle_rx_cqe) { err = -EINVAL; netdev_err(c->netdev, "RX handler of MPWQE RQ is not set, err %d\n", err); @@ -625,7 +634,12 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, rq->alloc_wqe = mlx5e_alloc_rx_wqe; rq->dealloc_wqe = mlx5e_dealloc_rx_wqe; - rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe; +#ifdef CONFIG_MLX5_EN_IPSEC + if (c->priv->ipsec) + rq->handle_rx_cqe = mlx5e_ipsec_handle_rx_cqe; + else +#endif + rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe; if (!rq->handle_rx_cqe) { kfree(rq->wqe.frag_info); err = -EINVAL; @@ -636,6 +650,10 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, rq->buff.wqe_sz = params->lro_en ? params->lro_wqe_sz : MLX5E_SW2HW_MTU(c->priv, c->netdev->mtu); +#ifdef CONFIG_MLX5_EN_IPSEC + if (MLX5_IPSEC_DEV(mdev)) + rq->buff.wqe_sz += MLX5E_METADATA_ETHER_LEN; +#endif rq->wqe.page_reuse = !params->xdp_prog && !params->lro_en; byte_count = rq->buff.wqe_sz; |