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authorIsrael Rukshin2019-08-18 12:08:55 +0300
committerSagi Grimberg2019-08-29 12:55:02 -0700
commit89275a9659fe57a3c7eef6778ec64f9e435c75eb (patch)
treefc2fbdd1551e73d9e1173a44dfa5fda54ee22685 /drivers/nvme/target
parentbb13985d5a55b2830095640a2e64145bcb34929b (diff)
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>
Diffstat (limited to 'drivers/nvme/target')
-rw-r--r--drivers/nvme/target/tcp.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 76e43750b9e5..bf4f03474e89 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -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;