diff options
-rw-r--r-- | include/linux/netdevice.h | 23 | ||||
-rw-r--r-- | include/net/tls.h | 21 | ||||
-rw-r--r-- | net/tls/tls_device.c | 44 |
3 files changed, 38 insertions, 50 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c46d218a0456..44b47e9df94a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -914,34 +914,13 @@ struct xfrmdev_ops { }; #endif -#if IS_ENABLED(CONFIG_TLS_DEVICE) -enum tls_offload_ctx_dir { - TLS_OFFLOAD_CTX_DIR_RX, - TLS_OFFLOAD_CTX_DIR_TX, -}; - -struct tls_crypto_info; -struct tls_context; - -struct tlsdev_ops { - int (*tls_dev_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); - void (*tls_dev_del)(struct net_device *netdev, - struct tls_context *ctx, - enum tls_offload_ctx_dir direction); - void (*tls_dev_resync_rx)(struct net_device *netdev, - struct sock *sk, u32 seq, u64 rcd_sn); -}; -#endif - struct dev_ifalias { struct rcu_head rcuhead; char ifalias[]; }; struct devlink; +struct tlsdev_ops; /* * This structure defines the management hooks for network devices. diff --git a/include/net/tls.h b/include/net/tls.h index d9d0ac66f040..39ea62f0c1f6 100644 --- a/include/net/tls.h +++ b/include/net/tls.h @@ -277,6 +277,23 @@ struct tls_context { void (*unhash)(struct sock *sk); }; +enum tls_offload_ctx_dir { + TLS_OFFLOAD_CTX_DIR_RX, + TLS_OFFLOAD_CTX_DIR_TX, +}; + +struct tlsdev_ops { + int (*tls_dev_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); + void (*tls_dev_del)(struct net_device *netdev, + struct tls_context *ctx, + enum tls_offload_ctx_dir direction); + void (*tls_dev_resync_rx)(struct net_device *netdev, + struct sock *sk, u32 seq, u64 rcd_sn); +}; + struct tls_offload_context_rx { /* sw must be the first member of tls_offload_context_rx */ struct tls_sw_context_rx sw; @@ -317,7 +334,6 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx); int tls_device_sendmsg(struct sock *sk, struct msghdr *msg, size_t size); int tls_device_sendpage(struct sock *sk, struct page *page, int offset, size_t size, int flags); -void tls_device_sk_destruct(struct sock *sk); void tls_device_free_resources_tx(struct sock *sk); void tls_device_init(void); void tls_device_cleanup(void); @@ -336,7 +352,6 @@ static inline u32 tls_record_start_seq(struct tls_record_info *rec) return rec->end_seq - rec->len; } -void tls_sk_destruct(struct sock *sk, struct tls_context *ctx); int tls_push_sg(struct sock *sk, struct tls_context *ctx, struct scatterlist *sg, u16 first_offset, int flags); @@ -547,7 +562,7 @@ static inline void tls_offload_rx_resync_request(struct sock *sk, __be32 seq) struct tls_context *tls_ctx = tls_get_ctx(sk); struct tls_offload_context_rx *rx_ctx = tls_offload_ctx_rx(tls_ctx); - atomic64_set(&rx_ctx->resync_req, ((((uint64_t)seq) << 32) | 1)); + atomic64_set(&rx_ctx->resync_req, ((u64)ntohl(seq) << 32) | 1); } diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index cc0256939eb6..26f26e71ef3f 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -89,22 +89,6 @@ static void tls_device_gc_task(struct work_struct *work) } } -static void tls_device_attach(struct tls_context *ctx, struct sock *sk, - struct net_device *netdev) -{ - if (sk->sk_destruct != tls_device_sk_destruct) { - refcount_set(&ctx->refcount, 1); - dev_hold(netdev); - ctx->netdev = netdev; - spin_lock_irq(&tls_device_lock); - list_add_tail(&ctx->list, &tls_device_list); - spin_unlock_irq(&tls_device_lock); - - ctx->sk_destruct = sk->sk_destruct; - sk->sk_destruct = tls_device_sk_destruct; - } -} - static void tls_device_queue_ctx_destruction(struct tls_context *ctx) { unsigned long flags; @@ -199,7 +183,7 @@ static void tls_icsk_clean_acked(struct sock *sk, u32 acked_seq) * socket and no in-flight SKBs associated with this * socket, so it is safe to free all the resources. */ -void tls_device_sk_destruct(struct sock *sk) +static void tls_device_sk_destruct(struct sock *sk) { struct tls_context *tls_ctx = tls_get_ctx(sk); struct tls_offload_context_tx *ctx = tls_offload_ctx_tx(tls_ctx); @@ -217,7 +201,6 @@ void tls_device_sk_destruct(struct sock *sk) if (refcount_dec_and_test(&tls_ctx->refcount)) tls_device_queue_ctx_destruction(tls_ctx); } -EXPORT_SYMBOL(tls_device_sk_destruct); void tls_device_free_resources_tx(struct sock *sk) { @@ -584,7 +567,7 @@ void handle_device_resync(struct sock *sk, u32 seq, u64 rcd_sn) rx_ctx = tls_offload_ctx_rx(tls_ctx); resync_req = atomic64_read(&rx_ctx->resync_req); - req_seq = ntohl(resync_req >> 32) - ((u32)TLS_HEADER_SIZE - 1); + req_seq = (resync_req >> 32) - ((u32)TLS_HEADER_SIZE - 1); is_req_pending = resync_req; if (unlikely(is_req_pending) && req_seq == seq && @@ -682,6 +665,22 @@ int tls_device_decrypted(struct sock *sk, struct sk_buff *skb) tls_device_reencrypt(sk, skb); } +static void tls_device_attach(struct tls_context *ctx, struct sock *sk, + struct net_device *netdev) +{ + if (sk->sk_destruct != tls_device_sk_destruct) { + refcount_set(&ctx->refcount, 1); + dev_hold(netdev); + ctx->netdev = netdev; + spin_lock_irq(&tls_device_lock); + list_add_tail(&ctx->list, &tls_device_list); + spin_unlock_irq(&tls_device_lock); + + ctx->sk_destruct = sk->sk_destruct; + sk->sk_destruct = tls_device_sk_destruct; + } +} + int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) { u16 nonce_size, tag_size, iv_size, rec_seq_size; @@ -865,8 +864,6 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx) } if (!(netdev->features & NETIF_F_HW_TLS_RX)) { - pr_err_ratelimited("%s: netdev %s with no TLS offload\n", - __func__, netdev->name); rc = -ENOTSUPP; goto release_netdev; } @@ -894,11 +891,8 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx) rc = netdev->tlsdev_ops->tls_dev_add(netdev, sk, TLS_OFFLOAD_CTX_DIR_RX, &ctx->crypto_recv.info, tcp_sk(sk)->copied_seq); - if (rc) { - pr_err_ratelimited("%s: The netdev has refused to offload this socket\n", - __func__); + if (rc) goto free_sw_resources; - } tls_device_attach(ctx, sk, netdev); goto release_netdev; |