net/mlx5e: TLS, add innova rx support
Add the mlx5 implementation of the TLS Rx routines to add/del TLS contexts, also add the tls_dev_resync_rx routine to work with the TLS inline Rx crypto offload infrastructure. Signed-off-by: Boris Pismenny <borisp@mellanox.com> Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -110,9 +110,7 @@ static int mlx5e_tls_add(struct net_device *netdev, struct sock *sk,
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u32 caps = mlx5_accel_tls_device_caps(mdev);
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int ret = -ENOMEM;
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void *flow;
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if (direction != TLS_OFFLOAD_CTX_DIR_TX)
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return -EINVAL;
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u32 swid;
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flow = kzalloc(MLX5_ST_SZ_BYTES(tls_flow), GFP_KERNEL);
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if (!flow)
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@ -122,18 +120,23 @@ static int mlx5e_tls_add(struct net_device *netdev, struct sock *sk,
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if (ret)
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goto free_flow;
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if (direction == TLS_OFFLOAD_CTX_DIR_TX) {
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struct mlx5e_tls_offload_context_tx *tx_ctx =
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mlx5e_get_tls_tx_context(tls_ctx);
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u32 swid;
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ret = mlx5_accel_tls_add_tx_flow(mdev, flow, crypto_info,
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start_offload_tcp_sn, &swid);
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ret = mlx5_accel_tls_add_flow(mdev, flow, crypto_info,
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start_offload_tcp_sn, &swid,
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direction == TLS_OFFLOAD_CTX_DIR_TX);
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if (ret < 0)
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goto free_flow;
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if (direction == TLS_OFFLOAD_CTX_DIR_TX) {
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struct mlx5e_tls_offload_context_tx *tx_ctx =
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mlx5e_get_tls_tx_context(tls_ctx);
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tx_ctx->swid = htonl(swid);
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tx_ctx->expected_seq = start_offload_tcp_sn;
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} else {
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struct mlx5e_tls_offload_context_rx *rx_ctx =
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mlx5e_get_tls_rx_context(tls_ctx);
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rx_ctx->handle = htonl(swid);
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}
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return 0;
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@ -147,19 +150,32 @@ static void mlx5e_tls_del(struct net_device *netdev,
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enum tls_offload_ctx_dir direction)
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{
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struct mlx5e_priv *priv = netdev_priv(netdev);
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unsigned int handle;
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if (direction == TLS_OFFLOAD_CTX_DIR_TX) {
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u32 swid = ntohl(mlx5e_get_tls_tx_context(tls_ctx)->swid);
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handle = ntohl((direction == TLS_OFFLOAD_CTX_DIR_TX) ?
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mlx5e_get_tls_tx_context(tls_ctx)->swid :
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mlx5e_get_tls_rx_context(tls_ctx)->handle);
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mlx5_accel_tls_del_tx_flow(priv->mdev, swid);
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} else {
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netdev_err(netdev, "unsupported direction %d\n", direction);
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mlx5_accel_tls_del_flow(priv->mdev, handle,
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direction == TLS_OFFLOAD_CTX_DIR_TX);
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}
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static void mlx5e_tls_resync_rx(struct net_device *netdev, struct sock *sk,
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u32 seq, u64 rcd_sn)
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{
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struct tls_context *tls_ctx = tls_get_ctx(sk);
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struct mlx5e_priv *priv = netdev_priv(netdev);
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struct mlx5e_tls_offload_context_rx *rx_ctx;
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rx_ctx = mlx5e_get_tls_rx_context(tls_ctx);
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mlx5_accel_tls_resync_rx(priv->mdev, rx_ctx->handle, seq, rcd_sn);
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}
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static const struct tlsdev_ops mlx5e_tls_ops = {
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.tls_dev_add = mlx5e_tls_add,
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.tls_dev_del = mlx5e_tls_del,
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.tls_dev_resync_rx = mlx5e_tls_resync_rx,
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};
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void mlx5e_tls_build_netdev(struct mlx5e_priv *priv)
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@ -65,6 +65,21 @@ mlx5e_get_tls_tx_context(struct tls_context *tls_ctx)
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base);
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}
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struct mlx5e_tls_offload_context_rx {
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struct tls_offload_context_rx base;
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__be32 handle;
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};
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static inline struct mlx5e_tls_offload_context_rx *
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mlx5e_get_tls_rx_context(struct tls_context *tls_ctx)
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{
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BUILD_BUG_ON(sizeof(struct mlx5e_tls_offload_context_rx) >
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TLS_OFFLOAD_CONTEXT_SIZE_RX);
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return container_of(tls_offload_ctx_rx(tls_ctx),
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struct mlx5e_tls_offload_context_rx,
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base);
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}
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void mlx5e_tls_build_netdev(struct mlx5e_priv *priv);
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int mlx5e_tls_init(struct mlx5e_priv *priv);
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void mlx5e_tls_cleanup(struct mlx5e_priv *priv);
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