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ip: support for TX timestamps on UDP and RAW sockets

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Instructions for time stamping outgoing packets are take from the
socket layer and later copied into the new skb.

Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick Ohly
2009-02-12 05:03:39 +00:00
committed by David S. Miller
parent 20d4947353
commit 51f31cabe3
7 changed files with 19 additions and 0 deletions
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4
net/ipv4/udp.c
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@ -596,6 +596,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
return -EOPNOTSUPP;
ipc.opt = NULL;
ipc.shtx.flags = 0;
if (up->pending) {
/*
@ -643,6 +644,9 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
ipc.addr = inet->saddr;
ipc.oif = sk->sk_bound_dev_if;
err = sock_tx_timestamp(msg, sk, &ipc.shtx);
if (err)
return err;
if (msg->msg_controllen) {
err = ip_cmsg_send(sock_net(sk), msg, &ipc);
if (err)