[RFC v2 net-next 03/10] net: ipv4: udp: Hook into time based transmission.
From: Jesus Sanchez-Palencia <hidden>
Date: 2018-01-17 23:07:42
Also in:
intel-wired-lan
Subsystem:
networking [general], the rest, user datagram protocol (udp) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Willem de Bruijn
From: Richard Cochran <redacted> For udp packets, copy the desired future transmit time from the CMSG cookie into the skb. Signed-off-by: Richard Cochran <redacted> Signed-off-by: Jesus Sanchez-Palencia <redacted> --- net/ipv4/udp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 853321555a4e..89257422503a 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c@@ -926,6 +926,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) } ipc.sockc.tsflags = sk->sk_tsflags; + ipc.sockc.transmit_time = 0; ipc.addr = inet->inet_saddr; ipc.oif = sk->sk_bound_dev_if;
@@ -1027,8 +1028,10 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) sizeof(struct udphdr), &ipc, &rt, msg->msg_flags); err = PTR_ERR(skb); - if (!IS_ERR_OR_NULL(skb)) + if (!IS_ERR_OR_NULL(skb)) { + skb->tstamp = ipc.sockc.transmit_time; err = udp_send_skb(skb, fl4); + } goto out; }
--
2.15.1