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{
    "id": 814803,
    "url": "http://patchwork.ozlabs.org/api/patches/814803/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/d0d4e04282773badbf6aebb9fbe0fa43491e20b6.1505719061.git.rcochran@linutronix.de/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "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": "<d0d4e04282773badbf6aebb9fbe0fa43491e20b6.1505719061.git.rcochran@linutronix.de>",
    "list_archive_url": null,
    "date": "2017-09-18T07:41:19",
    "name": "[RFC,V1,net-next,4/6] net: ipv4: udp: Hook into time based transmission.",
    "commit_ref": null,
    "pull_url": null,
    "state": "rfc",
    "archived": true,
    "hash": "6c40bf075fe4408b7059318fca74cfd4d8301a1e",
    "submitter": {
        "id": 69550,
        "url": "http://patchwork.ozlabs.org/api/people/69550/?format=api",
        "name": "Richard Cochran",
        "email": "rcochran@linutronix.de"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/d0d4e04282773badbf6aebb9fbe0fa43491e20b6.1505719061.git.rcochran@linutronix.de/mbox/",
    "series": [
        {
            "id": 3574,
            "url": "http://patchwork.ozlabs.org/api/series/3574/?format=api",
            "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/814803/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/814803/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
        "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=<UNKNOWN>)",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xwdM45ZJwz9s3w\n\tfor <patchwork-incoming@ozlabs.org>;\n\tMon, 18 Sep 2017 17:44:48 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752743AbdIRHop (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tMon, 18 Sep 2017 03:44:45 -0400",
            "from Galois.linutronix.de ([146.0.238.70]:49786 \"EHLO\n\tGalois.linutronix.de\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1752517AbdIRHnX (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Mon, 18 Sep 2017 03:43:23 -0400",
            "from rcochran by Galois.linutronix.de with local (Exim 4.80)\n\t(envelope-from <rcochran@linutronix.de>)\n\tid 1dtqgE-0006bX-3a; Mon, 18 Sep 2017 09:41:22 +0200"
        ],
        "From": "Richard Cochran <rcochran@linutronix.de>",
        "To": "<netdev@vger.kernel.org>",
        "Cc": "<linux-kernel@vger.kernel.org>, intel-wired-lan@lists.osuosl.org,\n\tAndre Guedes <andre.guedes@intel.com>,\n\tAnna-Maria Gleixner <anna-maria@linutronix.de>,\n\tDavid Miller <davem@davemloft.net>, Henrik Austad <henrik@austad.us>,\n\tJesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>,\n\tJohn Stultz <john.stultz@linaro.org>,\n\tThomas Gleixner <tglx@linutronix.de>,\n\tVinicius Costa Gomes <vinicius.gomes@intel.com>",
        "Subject": "[PATCH RFC V1 net-next 4/6] net: ipv4: udp: Hook into time based\n\ttransmission.",
        "Date": "Mon, 18 Sep 2017 09:41:19 +0200",
        "Message-Id": "<d0d4e04282773badbf6aebb9fbe0fa43491e20b6.1505719061.git.rcochran@linutronix.de>",
        "X-Mailer": "git-send-email 1.7.10.4",
        "In-Reply-To": "<cover.1505719061.git.rcochran@linutronix.de>",
        "References": "<cover.1505719061.git.rcochran@linutronix.de>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "For udp packets, copy the desired future transmit time from the CMSG\ncookie into the skb.\n\nSigned-off-by: Richard Cochran <rcochran@linutronix.de>\n---\n net/ipv4/udp.c | 5 ++++-\n 1 file changed, 4 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c\nindex ef29df8648e4..669f63495877 100644\n--- a/net/ipv4/udp.c\n+++ b/net/ipv4/udp.c\n@@ -949,6 +949,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)\n \t}\n \n \tipc.sockc.tsflags = sk->sk_tsflags;\n+\tipc.sockc.transmit_time = 0;\n \tipc.addr = inet->inet_saddr;\n \tipc.oif = sk->sk_bound_dev_if;\n \n@@ -1050,8 +1051,10 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)\n \t\t\t\t  sizeof(struct udphdr), &ipc, &rt,\n \t\t\t\t  msg->msg_flags);\n \t\terr = PTR_ERR(skb);\n-\t\tif (!IS_ERR_OR_NULL(skb))\n+\t\tif (!IS_ERR_OR_NULL(skb)) {\n+\t\t\tskb->transmit_time = ipc.sockc.transmit_time;\n \t\t\terr = udp_send_skb(skb, fl4);\n+\t\t}\n \t\tgoto out;\n \t}\n \n",
    "prefixes": [
        "RFC",
        "V1",
        "net-next",
        "4/6"
    ]
}