Commit b6b3ad21 authored by Tariq Toukan's avatar Tariq Toukan Committed by Saeed Mahameed
Browse files

net/mlx5e: TX, Inline TLS skb check 



When TLS is supported and enabled, every transmitted packet is tested
to identify if TLS offload is required.

Take the early-return condition into an inline function, to save
the overhead of a function call for non-TLS packets.

Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 8668587a

drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h

+3 −2
Original line number Diff line number Diff line
@@ -124,6 +124,7 @@ static inline bool mlx5e_accel_tx_begin(struct net_device *dev, 


#ifdef CONFIG_MLX5_EN_TLS

	/* May send SKBs and WQEs. */

	if (mlx5e_tls_skb_offloaded(skb))

		if (unlikely(!mlx5e_tls_handle_tx_skb(dev, sq, skb, &state->tls)))

			return false;

#endif

drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c

+0 −3
Original line number Diff line number Diff line
@@ -263,9 +263,6 @@ bool mlx5e_tls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq, 
	int datalen;

	u32 skb_seq;



	if (!skb->sk || !tls_is_sk_tx_device_offloaded(skb->sk))

		return true;



	datalen = skb->len - (skb_transport_offset(skb) + tcp_hdrlen(skb));

	if (!datalen)

		return true;

drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h

+6 −0
Original line number Diff line number Diff line
@@ -47,6 +47,12 @@ u16 mlx5e_tls_get_stop_room(struct mlx5_core_dev *mdev, struct mlx5e_params *par 


bool mlx5e_tls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq,

			     struct sk_buff *skb, struct mlx5e_accel_tx_tls_state *state);



static inline bool mlx5e_tls_skb_offloaded(struct sk_buff *skb)

{

	return skb->sk && tls_is_sk_tx_device_offloaded(skb->sk);

}



void mlx5e_tls_handle_tx_wqe(struct mlx5e_txqsq *sq, struct mlx5_wqe_ctrl_seg *cseg,

			     struct mlx5e_accel_tx_tls_state *state);