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GET /api/patches/851553/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 851553,
    "url": "http://patchwork.ozlabs.org/api/patches/851553/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20171220170607.41516-2-lorenzo@google.com/",
    "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": "<20171220170607.41516-2-lorenzo@google.com>",
    "list_archive_url": null,
    "date": "2017-12-20T17:06:01",
    "name": "[ipsec-next,1/7] net: xfrm: Don't check for TUNNEL_KEY when hashing VTI tunnels.",
    "commit_ref": null,
    "pull_url": null,
    "state": "awaiting-upstream",
    "archived": true,
    "hash": "34847140a2c18473787ac8d8d1230775a54e4371",
    "submitter": {
        "id": 3403,
        "url": "http://patchwork.ozlabs.org/api/people/3403/?format=api",
        "name": "Lorenzo Colitti",
        "email": "lorenzo@google.com"
    },
    "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/20171220170607.41516-2-lorenzo@google.com/mbox/",
    "series": [
        {
            "id": 19695,
            "url": "http://patchwork.ozlabs.org/api/series/19695/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=19695",
            "date": "2017-12-20T17:06:00",
            "name": ": Support multiple VTIs with the same src+dst pair",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/19695/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/851553/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/851553/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": [
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        ],
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3z21QZ5wnFz9s83\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 21 Dec 2017 04:06:46 +1100 (AEDT)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1755503AbdLTRGd (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tWed, 20 Dec 2017 12:06:33 -0500",
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            "from lorenzo.tok.corp.google.com ([100.103.3.232])\n\tby smtp.gmail.com with ESMTPSA id\n\tt62sm29103067pgt.23.2017.12.20.09.06.24\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tWed, 20 Dec 2017 09:06:26 -0800 (PST)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=google.com; s=20161025;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=pYpFkwn3PYDZLJ9r3bZjVIZ6dJdzqEXaML5njxMop4M=;\n\tb=JDnBH3t0GjQJIXo+7C6ctf7YOPlwC976XRVBXRI5mstMx8NcKA2vYiMuOAIYVc6pyx\n\trKt+LCOMsM9L3q1fAGShpfkwXEH1TYYG0PPX68D4ZAKjXqtZ59HOGO1dwlEyqXN0uHcS\n\tVX8rd9dCuGpuFoCE2H4J0uJFUk7NnPoCuvX1vuukic15YYbSSD5QOD/zox+zpOnZDLPK\n\tj2zFcuapIrEMoSY1VtZdC1j46aY8IyqrsjWN5YqcXR65Q9me+l9+fQ31aRgRnwawcd+y\n\tTPBCveAqhxP168oOW/ZLff29FrQGZ1R8z5GkVtPoQRL+M8Cq8iKQGuvnE601FNZl2pY/\n\tieIQ==",
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        "X-Gm-Message-State": "AKGB3mLU8hfNkMDDaFYdKNq2U1CdyYP96KQK1pvovFKfv77Q+UDzVXjA\n\tjHcTUNdx/oL4KblITnlgxJW5MSYQcc0=",
        "X-Google-Smtp-Source": "ACJfBouhbtfNv/cjefGPG+UonA6QzKQOGdkk1XPkanMMKn1JW/oC8C1tV7xRe6KqjJ7c3LnvpmBd9A==",
        "X-Received": "by 10.98.147.28 with SMTP id b28mr7563850pfe.5.1513789587037;\n\tWed, 20 Dec 2017 09:06:27 -0800 (PST)",
        "From": "Lorenzo Colitti <lorenzo@google.com>",
        "To": "netdev@vger.kernel.org",
        "Cc": "steffen.klassert@secunet.com, subashab@codeaurora.org,\n\tnharold@google.com, davem@davemloft.net,\n\tLorenzo Colitti <lorenzo@google.com>",
        "Subject": "[PATCH ipsec-next 1/7] net: xfrm: Don't check for TUNNEL_KEY when\n\thashing VTI tunnels.",
        "Date": "Thu, 21 Dec 2017 02:06:01 +0900",
        "Message-Id": "<20171220170607.41516-2-lorenzo@google.com>",
        "X-Mailer": "git-send-email 2.15.1.620.gb9897f4670-goog",
        "In-Reply-To": "<20171220170607.41516-1-lorenzo@google.com>",
        "References": "<20171220170607.41516-1-lorenzo@google.com>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "Currently, ip_bucket sets the lookup i_key to 0 if the tunnel's\ni_flags have VTI_ISVTI flag set but not TUNNEL_KEY. However, it\ncan can never happen that TUNNEL_KEY is set if VTI_ISVTI is also\nset (see below). Therefore, just drop the check for TUNNEL_KEY\nand only set i_key to 0 on VTI_ISVTI.\n\nThis will allow the VTI code to set TUNNEL_KEY on certain\ntunnels in a future change.\n\nNone of the callers of ip_bucket pass in TUNNEL_KEY | VTI_ISVTI.\nThe call graph is as follows:\n\n- ip_tunnel_add\n  - ip_tunnel_create\n    - ip_tunnel_ioctl\n      - ipgre_tunnel_ioctl: can set TUNNEL_KEY but not VTI_ISVTI\n      - ipip_tunnel_ioctl: hardcodes i_flags to 0\n      - vti_tunnel_ioctl: hardcodes i_flags to VTI_ISVTI\n  - ip_tunnel_update: doesn't touch i_flags\n  - ip_tunnel_init_net: memsets flags to 0\n  - ip_tunnel_newlink\n    - ipgre_newlink\n      - ipgre_netlink_parms: can set TUNNEL_KEY but not VTI_ISVTI\n    - vti_newlink: hardcodes i_flags to VTI_ISVTI\n  - ip_tunnel_changelink: doesn't set flags\n- ip_tunnel_find\n  - ip_tunnel_ioctl (see above)\n  - ip_tunnel_newlink (see above)\n  - ip_tunnel_changelink (see above)\n\nVTI_ISVTI has the same value as TUNNEL_DONT_FRAGMENT, but that\nis never set into tunnel parameters.\n\nSigned-off-by: Lorenzo Colitti <lorenzo@google.com>\n---\n net/ipv4/ip_tunnel.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c\nindex 5ddb1cb52b..539c8f22c4 100644\n--- a/net/ipv4/ip_tunnel.c\n+++ b/net/ipv4/ip_tunnel.c\n@@ -198,7 +198,7 @@ static struct hlist_head *ip_bucket(struct ip_tunnel_net *itn,\n \telse\n \t\tremote = 0;\n \n-\tif (!(parms->i_flags & TUNNEL_KEY) && (parms->i_flags & VTI_ISVTI))\n+\tif (parms->i_flags & VTI_ISVTI)\n \t\ti_key = 0;\n \n \th = ip_tunnel_hash(i_key, remote);\n",
    "prefixes": [
        "ipsec-next",
        "1/7"
    ]
}