diff options
author | Leon Romanovsky <leonro@nvidia.com> | 2022-04-04 15:08:15 +0300 |
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committer | Leon Romanovsky <leonro@nvidia.com> | 2022-04-06 10:00:36 +0300 |
commit | 40379a0084c2f65eb62c102f5bbf5cdc14a50410 (patch) | |
tree | 12a1ae8aa1e6706e3aaca26c6099aeeedc8dcaa8 /drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c | |
parent | 3123109284176b1532874591f7c81f3837bbdc17 (diff) | |
download | linux-40379a0084c2f65eb62c102f5bbf5cdc14a50410.tar.bz2 |
net/mlx5_fpga: Drop INNOVA TLS support
Mellanox INNOVA TLS cards are EOL in May, 2018 [1]. As such, the code
is unmaintained, untested and not in-use by any upstream/distro oriented
customers. In order to reduce code complexity, drop the kernel code.
[1] https://network.nvidia.com/related-docs/eol/LCR-000286.pdf
Link: https://lore.kernel.org/r/b88add368def721ea9d054cb69def72d9e3f67aa.1649073691.git.leonro@nvidia.com
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c | 180 |
1 files changed, 2 insertions, 178 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c index b8fc863aa68d..0c6e165c154e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c @@ -36,188 +36,12 @@ #include "en_accel/tls.h" #include "accel/tls.h" -static void mlx5e_tls_set_ipv4_flow(void *flow, struct sock *sk) -{ - struct inet_sock *inet = inet_sk(sk); - - MLX5_SET(tls_flow, flow, ipv6, 0); - memcpy(MLX5_ADDR_OF(tls_flow, flow, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), - &inet->inet_daddr, MLX5_FLD_SZ_BYTES(ipv4_layout, ipv4)); - memcpy(MLX5_ADDR_OF(tls_flow, flow, src_ipv4_src_ipv6.ipv4_layout.ipv4), - &inet->inet_rcv_saddr, MLX5_FLD_SZ_BYTES(ipv4_layout, ipv4)); -} - -#if IS_ENABLED(CONFIG_IPV6) -static void mlx5e_tls_set_ipv6_flow(void *flow, struct sock *sk) -{ - struct ipv6_pinfo *np = inet6_sk(sk); - - MLX5_SET(tls_flow, flow, ipv6, 1); - memcpy(MLX5_ADDR_OF(tls_flow, flow, dst_ipv4_dst_ipv6.ipv6_layout.ipv6), - &sk->sk_v6_daddr, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); - memcpy(MLX5_ADDR_OF(tls_flow, flow, src_ipv4_src_ipv6.ipv6_layout.ipv6), - &np->saddr, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); -} -#endif - -static void mlx5e_tls_set_flow_tcp_ports(void *flow, struct sock *sk) -{ - struct inet_sock *inet = inet_sk(sk); - - memcpy(MLX5_ADDR_OF(tls_flow, flow, src_port), &inet->inet_sport, - MLX5_FLD_SZ_BYTES(tls_flow, src_port)); - memcpy(MLX5_ADDR_OF(tls_flow, flow, dst_port), &inet->inet_dport, - MLX5_FLD_SZ_BYTES(tls_flow, dst_port)); -} - -static int mlx5e_tls_set_flow(void *flow, struct sock *sk, u32 caps) -{ - switch (sk->sk_family) { - case AF_INET: - mlx5e_tls_set_ipv4_flow(flow, sk); - break; -#if IS_ENABLED(CONFIG_IPV6) - case AF_INET6: - if (!sk->sk_ipv6only && - ipv6_addr_type(&sk->sk_v6_daddr) == IPV6_ADDR_MAPPED) { - mlx5e_tls_set_ipv4_flow(flow, sk); - break; - } - if (!(caps & MLX5_ACCEL_TLS_IPV6)) - goto error_out; - - mlx5e_tls_set_ipv6_flow(flow, sk); - break; -#endif - default: - goto error_out; - } - - mlx5e_tls_set_flow_tcp_ports(flow, sk); - return 0; -error_out: - return -EINVAL; -} - -static int mlx5e_tls_add(struct net_device *netdev, struct sock *sk, - enum tls_offload_ctx_dir direction, - struct tls_crypto_info *crypto_info, - u32 start_offload_tcp_sn) -{ - struct mlx5e_priv *priv = netdev_priv(netdev); - struct tls_context *tls_ctx = tls_get_ctx(sk); - struct mlx5_core_dev *mdev = priv->mdev; - u32 caps = mlx5_accel_tls_device_caps(mdev); - int ret = -ENOMEM; - void *flow; - u32 swid; - - flow = kzalloc(MLX5_ST_SZ_BYTES(tls_flow), GFP_KERNEL); - if (!flow) - return ret; - - ret = mlx5e_tls_set_flow(flow, sk, caps); - if (ret) - goto free_flow; - - ret = mlx5_accel_tls_add_flow(mdev, flow, crypto_info, - start_offload_tcp_sn, &swid, - direction == TLS_OFFLOAD_CTX_DIR_TX); - if (ret < 0) - goto free_flow; - - if (direction == TLS_OFFLOAD_CTX_DIR_TX) { - struct mlx5e_tls_offload_context_tx *tx_ctx = - mlx5e_get_tls_tx_context(tls_ctx); - - tx_ctx->swid = htonl(swid); - tx_ctx->expected_seq = start_offload_tcp_sn; - } else { - struct mlx5e_tls_offload_context_rx *rx_ctx = - mlx5e_get_tls_rx_context(tls_ctx); - - rx_ctx->handle = htonl(swid); - } - - return 0; -free_flow: - kfree(flow); - return ret; -} - -static void mlx5e_tls_del(struct net_device *netdev, - struct tls_context *tls_ctx, - enum tls_offload_ctx_dir direction) -{ - struct mlx5e_priv *priv = netdev_priv(netdev); - unsigned int handle; - - handle = ntohl((direction == TLS_OFFLOAD_CTX_DIR_TX) ? - mlx5e_get_tls_tx_context(tls_ctx)->swid : - mlx5e_get_tls_rx_context(tls_ctx)->handle); - - mlx5_accel_tls_del_flow(priv->mdev, handle, - direction == TLS_OFFLOAD_CTX_DIR_TX); -} - -static int mlx5e_tls_resync(struct net_device *netdev, struct sock *sk, - u32 seq, u8 *rcd_sn_data, - enum tls_offload_ctx_dir direction) -{ - struct tls_context *tls_ctx = tls_get_ctx(sk); - struct mlx5e_priv *priv = netdev_priv(netdev); - struct mlx5e_tls_offload_context_rx *rx_ctx; - __be64 rcd_sn = *(__be64 *)rcd_sn_data; - - if (WARN_ON_ONCE(direction != TLS_OFFLOAD_CTX_DIR_RX)) - return -EINVAL; - rx_ctx = mlx5e_get_tls_rx_context(tls_ctx); - - netdev_info(netdev, "resyncing seq %d rcd %lld\n", seq, - be64_to_cpu(rcd_sn)); - mlx5_accel_tls_resync_rx(priv->mdev, rx_ctx->handle, seq, rcd_sn); - atomic64_inc(&priv->tls->sw_stats.rx_tls_resync_reply); - - return 0; -} - -static const struct tlsdev_ops mlx5e_tls_ops = { - .tls_dev_add = mlx5e_tls_add, - .tls_dev_del = mlx5e_tls_del, - .tls_dev_resync = mlx5e_tls_resync, -}; - void mlx5e_tls_build_netdev(struct mlx5e_priv *priv) { - struct net_device *netdev = priv->netdev; - u32 caps; - - if (mlx5e_accel_is_ktls_device(priv->mdev)) { - mlx5e_ktls_build_netdev(priv); + if (!mlx5e_accel_is_ktls_device(priv->mdev)) return; - } - - /* FPGA */ - if (!mlx5e_accel_is_tls_device(priv->mdev)) - return; - - caps = mlx5_accel_tls_device_caps(priv->mdev); - if (caps & MLX5_ACCEL_TLS_TX) { - netdev->features |= NETIF_F_HW_TLS_TX; - netdev->hw_features |= NETIF_F_HW_TLS_TX; - } - - if (caps & MLX5_ACCEL_TLS_RX) { - netdev->features |= NETIF_F_HW_TLS_RX; - netdev->hw_features |= NETIF_F_HW_TLS_RX; - } - - if (!(caps & MLX5_ACCEL_TLS_LRO)) { - netdev->features &= ~NETIF_F_LRO; - netdev->hw_features &= ~NETIF_F_LRO; - } - netdev->tlsdev_ops = &mlx5e_tls_ops; + mlx5e_ktls_build_netdev(priv); } int mlx5e_tls_init(struct mlx5e_priv *priv) |