{"id":814800,"url":"http://patchwork.ozlabs.org/api/patches/814800/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/df72b2abd0c4b3abd9b2a99ea8ba116fe5478aa7.1505719061.git.rcochran@linutronix.de/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"","list_archive_url":null,"date":"2017-09-18T07:41:20","name":"[RFC,V1,net-next,5/6] net: packet: Hook into time based transmission.","commit_ref":null,"pull_url":null,"state":"rfc","archived":true,"hash":"5641747c2d9f1e4d9bb25e6837585ff56216867c","submitter":{"id":69550,"url":"http://patchwork.ozlabs.org/api/people/69550/?format=json","name":"Richard Cochran","email":"rcochran@linutronix.de"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/df72b2abd0c4b3abd9b2a99ea8ba116fe5478aa7.1505719061.git.rcochran@linutronix.de/mbox/","series":[{"id":3574,"url":"http://patchwork.ozlabs.org/api/series/3574/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=3574","date":"2017-09-18T07:41:16","name":"Time based packet transmission","version":1,"mbox":"http://patchwork.ozlabs.org/series/3574/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/814800/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/814800/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xwdKw6tRfz9s3w\n\tfor ;\n\tMon, 18 Sep 2017 17:43:48 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752678AbdIRHnb (ORCPT );\n\tMon, 18 Sep 2017 03:43:31 -0400","from Galois.linutronix.de ([146.0.238.70]:49809 \"EHLO\n\tGalois.linutronix.de\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1752656AbdIRHn2 (ORCPT\n\t); Mon, 18 Sep 2017 03:43:28 -0400","from rcochran by Galois.linutronix.de with local (Exim 4.80)\n\t(envelope-from )\n\tid 1dtqgE-0006bc-Ap; Mon, 18 Sep 2017 09:41:22 +0200"],"From":"Richard Cochran ","To":"","Cc":", intel-wired-lan@lists.osuosl.org,\n\tAndre Guedes ,\n\tAnna-Maria Gleixner ,\n\tDavid Miller , Henrik Austad ,\n\tJesus Sanchez-Palencia ,\n\tJohn Stultz ,\n\tThomas Gleixner ,\n\tVinicius Costa Gomes ","Subject":"[PATCH RFC V1 net-next 5/6] net: packet: Hook into time based\n\ttransmission.","Date":"Mon, 18 Sep 2017 09:41:20 +0200","Message-Id":"","X-Mailer":"git-send-email 1.7.10.4","In-Reply-To":"","References":"","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"For raw layer-2 packets, copy the desired future transmit time from\nthe CMSG cookie into the skb.\n\nSigned-off-by: Richard Cochran \n---\n net/packet/af_packet.c | 6 ++++++\n 1 file changed, 6 insertions(+)","diff":"diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c\nindex c26172995511..342c6cc81a42 100644\n--- a/net/packet/af_packet.c\n+++ b/net/packet/af_packet.c\n@@ -1984,6 +1984,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg,\n \t\tgoto out_unlock;\n \t}\n \n+\tsockc.transmit_time = 0;\n \tsockc.tsflags = sk->sk_tsflags;\n \tif (msg->msg_controllen) {\n \t\terr = sock_cmsg_send(sk, msg, &sockc);\n@@ -1995,6 +1996,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg,\n \tskb->dev = dev;\n \tskb->priority = sk->sk_priority;\n \tskb->mark = sk->sk_mark;\n+\tskb->transmit_time = sockc.transmit_time;\n \n \tsock_tx_timestamp(sk, sockc.tsflags, &skb_shinfo(skb)->tx_flags);\n \n@@ -2492,6 +2494,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb,\n \tskb->dev = dev;\n \tskb->priority = po->sk.sk_priority;\n \tskb->mark = po->sk.sk_mark;\n+\tskb->transmit_time = sockc->transmit_time;\n \tsock_tx_timestamp(&po->sk, sockc->tsflags, &skb_shinfo(skb)->tx_flags);\n \tskb_shinfo(skb)->destructor_arg = ph.raw;\n \n@@ -2668,6 +2671,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)\n \tif (unlikely(!(dev->flags & IFF_UP)))\n \t\tgoto out_put;\n \n+\tsockc.transmit_time = 0;\n \tsockc.tsflags = po->sk.sk_tsflags;\n \tif (msg->msg_controllen) {\n \t\terr = sock_cmsg_send(&po->sk, msg, &sockc);\n@@ -2863,6 +2867,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)\n \tif (unlikely(!(dev->flags & IFF_UP)))\n \t\tgoto out_unlock;\n \n+\tsockc.transmit_time = 0;\n \tsockc.tsflags = sk->sk_tsflags;\n \tsockc.mark = sk->sk_mark;\n \tif (msg->msg_controllen) {\n@@ -2934,6 +2939,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)\n \tskb->dev = dev;\n \tskb->priority = sk->sk_priority;\n \tskb->mark = sockc.mark;\n+\tskb->transmit_time = sockc.transmit_time;\n \n \tif (po->has_vnet_hdr) {\n \t\terr = virtio_net_hdr_to_skb(skb, &vnet_hdr, vio_le());\n","prefixes":["RFC","V1","net-next","5/6"]}