nvmet-tcp: Add TOS for tcp transport (89275a96) · Commits · 戴 / test

Set the outgoing packets type of service (TOS) according to the receiving TOS. Signed-off-by:

drivers/nvme/target/tcp.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -1415,6 +1415,7 @@ done:
		static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
		{
		struct socket *sock = queue->sock;
		struct inet_sock *inet = inet_sk(sock->sk);
		struct linger sol = { .l_onoff = 1, .l_linger = 0 };
		int ret;

		@@ -1438,6 +1439,16 @@ static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
		if (ret)
		return ret;

		/* Set socket type of service */
		if (inet->rcv_tos > 0) {
		int tos = inet->rcv_tos;

		ret = kernel_setsockopt(sock, SOL_IP, IP_TOS,
		(char *)&tos, sizeof(tos));
		if (ret)
		return ret;
		}

		write_lock_bh(&sock->sk->sk_callback_lock);
		sock->sk->sk_user_data = queue;
		queue->data_ready = sock->sk->sk_data_ready;