From: Boris Pismenny <borisp@mellanox.com> To: kuba@kernel.org, davem@davemloft.net, saeedm@nvidia.com, hch@lst.de, sagi@grimberg.me, axboe@fb.com, kbusch@kernel.org, viro@zeniv.linux.org.uk, edumazet@google.com, dsahern@gmail.com, smalin@marvell.com Cc: boris.pismenny@gmail.com, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, benishay@nvidia.com, ogerlitz@nvidia.com, yorayz@nvidia.com Subject: [PATCH v2 net-next 05/21] net/tls: expose get_netdev_for_sock Date: Thu, 14 Jan 2021 17:10:17 +0200 [thread overview] Message-ID: <20210114151033.13020-6-borisp@mellanox.com> (raw) In-Reply-To: <20210114151033.13020-1-borisp@mellanox.com> get_netdev_for_sock is a utility that is used to obtain the net_device structure from a connected socket. Later patches will use this for nvme-tcp DDP and DDP CRC offloads. Signed-off-by: Boris Pismenny <borisp@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> --- include/net/sock.h | 17 +++++++++++++++++ net/tls/tls_device.c | 20 ++------------------ 2 files changed, 19 insertions(+), 18 deletions(-) diff --git a/include/net/sock.h b/include/net/sock.h index bdc4323ce53c..9c21a4d696ad 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2721,4 +2721,21 @@ void sock_set_sndtimeo(struct sock *sk, s64 secs); int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len); +/* Assume that the socket is already connected */ +static inline struct net_device *get_netdev_for_sock(struct sock *sk, bool hold) +{ + struct dst_entry *dst = sk_dst_get(sk); + struct net_device *netdev = NULL; + + if (likely(dst)) { + netdev = dst->dev; + if (hold) + dev_hold(netdev); + } + + dst_release(dst); + + return netdev; +} + #endif /* _SOCK_H */ diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index f7fb7d2c1de1..cbd24d897023 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -106,22 +106,6 @@ static void tls_device_queue_ctx_destruction(struct tls_context *ctx) spin_unlock_irqrestore(&tls_device_lock, flags); } -/* We assume that the socket is already connected */ -static struct net_device *get_netdev_for_sock(struct sock *sk) -{ - struct dst_entry *dst = sk_dst_get(sk); - struct net_device *netdev = NULL; - - if (likely(dst)) { - netdev = dst->dev; - dev_hold(netdev); - } - - dst_release(dst); - - return netdev; -} - static void destroy_record(struct tls_record_info *record) { int i; @@ -1106,7 +1090,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) if (skb) TCP_SKB_CB(skb)->eor = 1; - netdev = get_netdev_for_sock(sk); + netdev = get_netdev_for_sock(sk, true); if (!netdev) { pr_err_ratelimited("%s: netdev not found\n", __func__); rc = -EINVAL; @@ -1182,7 +1166,7 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx) if (ctx->crypto_recv.info.version != TLS_1_2_VERSION) return -EOPNOTSUPP; - netdev = get_netdev_for_sock(sk); + netdev = get_netdev_for_sock(sk, true); if (!netdev) { pr_err_ratelimited("%s: netdev not found\n", __func__); return -EINVAL; -- 2.24.1
WARNING: multiple messages have this Message-ID (diff)
From: Boris Pismenny <borisp@mellanox.com> To: kuba@kernel.org, davem@davemloft.net, saeedm@nvidia.com, hch@lst.de, sagi@grimberg.me, axboe@fb.com, kbusch@kernel.org, viro@zeniv.linux.org.uk, edumazet@google.com, dsahern@gmail.com, smalin@marvell.com Cc: yorayz@nvidia.com, boris.pismenny@gmail.com, benishay@nvidia.com, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, ogerlitz@nvidia.com Subject: [PATCH v2 net-next 05/21] net/tls: expose get_netdev_for_sock Date: Thu, 14 Jan 2021 17:10:17 +0200 [thread overview] Message-ID: <20210114151033.13020-6-borisp@mellanox.com> (raw) In-Reply-To: <20210114151033.13020-1-borisp@mellanox.com> get_netdev_for_sock is a utility that is used to obtain the net_device structure from a connected socket. Later patches will use this for nvme-tcp DDP and DDP CRC offloads. Signed-off-by: Boris Pismenny <borisp@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> --- include/net/sock.h | 17 +++++++++++++++++ net/tls/tls_device.c | 20 ++------------------ 2 files changed, 19 insertions(+), 18 deletions(-) diff --git a/include/net/sock.h b/include/net/sock.h index bdc4323ce53c..9c21a4d696ad 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2721,4 +2721,21 @@ void sock_set_sndtimeo(struct sock *sk, s64 secs); int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len); +/* Assume that the socket is already connected */ +static inline struct net_device *get_netdev_for_sock(struct sock *sk, bool hold) +{ + struct dst_entry *dst = sk_dst_get(sk); + struct net_device *netdev = NULL; + + if (likely(dst)) { + netdev = dst->dev; + if (hold) + dev_hold(netdev); + } + + dst_release(dst); + + return netdev; +} + #endif /* _SOCK_H */ diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index f7fb7d2c1de1..cbd24d897023 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -106,22 +106,6 @@ static void tls_device_queue_ctx_destruction(struct tls_context *ctx) spin_unlock_irqrestore(&tls_device_lock, flags); } -/* We assume that the socket is already connected */ -static struct net_device *get_netdev_for_sock(struct sock *sk) -{ - struct dst_entry *dst = sk_dst_get(sk); - struct net_device *netdev = NULL; - - if (likely(dst)) { - netdev = dst->dev; - dev_hold(netdev); - } - - dst_release(dst); - - return netdev; -} - static void destroy_record(struct tls_record_info *record) { int i; @@ -1106,7 +1090,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) if (skb) TCP_SKB_CB(skb)->eor = 1; - netdev = get_netdev_for_sock(sk); + netdev = get_netdev_for_sock(sk, true); if (!netdev) { pr_err_ratelimited("%s: netdev not found\n", __func__); rc = -EINVAL; @@ -1182,7 +1166,7 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx) if (ctx->crypto_recv.info.version != TLS_1_2_VERSION) return -EOPNOTSUPP; - netdev = get_netdev_for_sock(sk); + netdev = get_netdev_for_sock(sk, true); if (!netdev) { pr_err_ratelimited("%s: netdev not found\n", __func__); return -EINVAL; -- 2.24.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme
next prev parent reply other threads:[~2021-01-14 15:12 UTC|newest] Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-14 15:10 [PATCH v2 net-next 00/21] nvme-tcp receive offloads Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 01/21] iov_iter: Introduce new procedures for copy to iter/pages Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 02/21] net: Introduce direct data placement tcp offload Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:57 ` Eric Dumazet 2021-01-14 15:57 ` Eric Dumazet 2021-01-14 20:19 ` Boris Pismenny 2021-01-14 20:19 ` Boris Pismenny 2021-01-14 20:43 ` Eric Dumazet 2021-01-14 20:43 ` Eric Dumazet 2021-01-31 10:40 ` Boris Pismenny 2021-01-31 10:40 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 03/21] net: Introduce crc offload for tcp ddp ulp Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 04/21] net: SKB copy(+hash) iterators for DDP offloads Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny [this message] 2021-01-14 15:10 ` [PATCH v2 net-next 05/21] net/tls: expose get_netdev_for_sock Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 06/21] nvme-tcp: Add DDP offload control path Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-19 3:47 ` David Ahern 2021-01-19 3:47 ` David Ahern 2021-01-31 7:51 ` Boris Pismenny 2021-01-31 7:51 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 07/21] nvme-tcp: Add DDP data-path Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-19 4:18 ` David Ahern 2021-01-19 4:18 ` David Ahern 2021-01-31 8:44 ` Boris Pismenny 2021-01-31 8:44 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 08/21] nvme-tcp : Recalculate crc in the end of the capsule Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 09/21] nvme-tcp: Deal with netdevice DOWN events Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 10/21] net/mlx5: Header file changes for nvme-tcp offload Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 11/21] net/mlx5: Add 128B CQE for NVMEoTCP offload Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 12/21] net/mlx5e: TCP flow steering for nvme-tcp Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 13/21] net/mlx5e: NVMEoTCP offload initialization Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 14/21] net/mlx5e: KLM UMR helper macros Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 15/21] net/mlx5e: NVMEoTCP use KLM UMRs Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 16/21] net/mlx5e: NVMEoTCP queue init/teardown Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 17/21] net/mlx5e: NVMEoTCP async ddp invalidation Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 18/21] net/mlx5e: NVMEoTCP ddp setup and resync Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 19/21] net/mlx5e: NVMEoTCP, data-path for DDP offload Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-16 4:57 ` David Ahern 2021-01-16 4:57 ` David Ahern 2021-01-17 8:42 ` Boris Pismenny 2021-01-17 8:42 ` Boris Pismenny 2021-01-19 4:36 ` David Ahern 2021-01-19 4:36 ` David Ahern 2021-01-31 9:27 ` Boris Pismenny 2021-01-31 9:27 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 20/21] net/mlx5e: NVMEoTCP statistics Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny 2021-01-14 15:10 ` [PATCH v2 net-next 21/21] Documentation: add TCP DDP offload documentation Boris Pismenny 2021-01-14 15:10 ` Boris Pismenny
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