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nvmet-tcp: Add TOS for tcp transport
Set the outgoing packets type of service (TOS) according to the receiving TOS. Signed-off-by: Israel Rukshin <israelr@mellanox.com> Suggested-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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@ -1415,6 +1415,7 @@ done:
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static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
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{
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struct socket *sock = queue->sock;
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struct inet_sock *inet = inet_sk(sock->sk);
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struct linger sol = { .l_onoff = 1, .l_linger = 0 };
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int ret;
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@ -1438,6 +1439,16 @@ static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
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if (ret)
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return ret;
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/* Set socket type of service */
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if (inet->rcv_tos > 0) {
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int tos = inet->rcv_tos;
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ret = kernel_setsockopt(sock, SOL_IP, IP_TOS,
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(char *)&tos, sizeof(tos));
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if (ret)
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return ret;
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}
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write_lock_bh(&sock->sk->sk_callback_lock);
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sock->sk->sk_user_data = queue;
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queue->data_ready = sock->sk->sk_data_ready;
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