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nvmet-tcp: Add TOS for tcp transport

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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>
This commit is contained in:
Israel Rukshin 2019-08-18 12:08:55 +03:00 committed by Sagi Grimberg
parent bb13985d5a
commit 89275a9659
1 changed files with 11 additions and 0 deletions
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11
drivers/nvme/target/tcp.c
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@ -1415,6 +1415,7 @@ done:
static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue) static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
{ {
struct socket *sock = queue->sock; struct socket *sock = queue->sock;
struct inet_sock *inet = inet_sk(sock->sk);
struct linger sol = { .l_onoff = 1, .l_linger = 0 }; struct linger sol = { .l_onoff = 1, .l_linger = 0 };
int ret; int ret;
@ -1438,6 +1439,16 @@ static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
if (ret) if (ret)
return 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); write_lock_bh(&sock->sk->sk_callback_lock);
sock->sk->sk_user_data = queue; sock->sk->sk_user_data = queue;
queue->data_ready = sock->sk->sk_data_ready; queue->data_ready = sock->sk->sk_data_ready;