From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesus Sanchez-Palencia Subject: [RFC v2 net-next 03/10] net: ipv4: udp: Hook into time based transmission. Date: Wed, 17 Jan 2018 15:06:14 -0800 Message-ID: <20180117230621.26074-4-jesus.sanchez-palencia@intel.com> References: <20180117230621.26074-1-jesus.sanchez-palencia@intel.com> Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, vinicius.gomes@intel.com, richardcochran@gmail.com, intel-wired-lan@lists.osuosl.org, anna-maria@linutronix.de, henrik@austad.us, tglx@linutronix.de, john.stultz@linaro.org, andre.guedes@intel.com, ivan.briano@intel.com, levi.pearson@harman.com, Richard Cochran , Jesus Sanchez-Palencia To: netdev@vger.kernel.org Return-path: Received: from mga06.intel.com ([134.134.136.31]:63115 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753762AbeAQXHm (ORCPT ); Wed, 17 Jan 2018 18:07:42 -0500 In-Reply-To: <20180117230621.26074-1-jesus.sanchez-palencia@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Richard Cochran For udp packets, copy the desired future transmit time from the CMSG cookie into the skb. Signed-off-by: Richard Cochran Signed-off-by: Jesus Sanchez-Palencia --- 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