diff options
| author |   Ilya Lesokhin <ilyal@mellanox.com> | 2018-04-30 10:16:20 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-05-01 09:42:47 -0400 |
| commit | bf23974104fa7aa2f3cbd2f2295f866a71875efd (patch) | |
| tree | 35d7ad1f548ccf28b884996f6bcf4ea77e65d6cc /drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | |
| parent | net/mlx5e: TLS, Add Innova TLS TX support (diff) | |
| download | linux-dev-bf23974104fa7aa2f3cbd2f2295f866a71875efd.tar.xz linux-dev-bf23974104fa7aa2f3cbd2f2295f866a71875efd.zip | |
net/mlx5e: TLS, Add Innova TLS TX offload data path
Implement the TLS tx offload data path according to the
requirements of the TLS generic NIC offload infrastructure.
Special metadata ethertype is used to pass information to
the hardware.
Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 20297108528a..486b6bfba8b8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -35,12 +35,21 @@ #include <net/dsfield.h> #include "en.h" #include "ipoib/ipoib.h" -#include "en_accel/ipsec_rxtx.h" +#include "en_accel/en_accel.h" #include "lib/clock.h" #define MLX5E_SQ_NOPS_ROOM MLX5_SEND_WQE_MAX_WQEBBS + +#ifndef CONFIG_MLX5_EN_TLS #define MLX5E_SQ_STOP_ROOM (MLX5_SEND_WQE_MAX_WQEBBS +\ MLX5E_SQ_NOPS_ROOM) +#else +/* TLS offload requires MLX5E_SQ_STOP_ROOM to have + * enough room for a resync SKB, a normal SKB and a NOP + */ +#define MLX5E_SQ_STOP_ROOM (2 * MLX5_SEND_WQE_MAX_WQEBBS +\ + MLX5E_SQ_NOPS_ROOM) +#endif static inline void mlx5e_tx_dma_unmap(struct device *pdev, struct mlx5e_sq_dma *dma) @@ -325,8 +334,8 @@ mlx5e_txwqe_complete(struct mlx5e_txqsq *sq, struct sk_buff *skb, } } -static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, - struct mlx5e_tx_wqe *wqe, u16 pi) +netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, + struct mlx5e_tx_wqe *wqe, u16 pi) { struct mlx5e_tx_wqe_info *wi = &sq->db.wqe_info[pi]; @@ -399,21 +408,19 @@ dma_unmap_wqe_err: netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) { struct mlx5e_priv *priv = netdev_priv(dev); - struct mlx5e_txqsq *sq = priv->txq2sq[skb_get_queue_mapping(skb)]; - struct mlx5_wq_cyc *wq = &sq->wq; - u16 pi = sq->pc & wq->sz_m1; - struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi); + struct mlx5e_tx_wqe *wqe; + struct mlx5e_txqsq *sq; + u16 pi; - memset(wqe, 0, sizeof(*wqe)); + sq = priv->txq2sq[skb_get_queue_mapping(skb)]; + mlx5e_sq_fetch_wqe(sq, &wqe, &pi); -#ifdef CONFIG_MLX5_EN_IPSEC - if (sq->state & BIT(MLX5E_SQ_STATE_IPSEC)) { - skb = mlx5e_ipsec_handle_tx_skb(dev, wqe, skb); - if (unlikely(!skb)) - return NETDEV_TX_OK; - } +#ifdef CONFIG_MLX5_ACCEL + /* might send skbs and update wqe and pi */ + skb = mlx5e_accel_handle_tx(skb, sq, dev, &wqe, &pi); + if (unlikely(!skb)) + return NETDEV_TX_OK; #endif - return mlx5e_sq_xmit(sq, skb, wqe, pi); } |