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GET /api/patches/813034/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 813034,
    "url": "http://patchwork.ozlabs.org/api/patches/813034/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/1505245749-3402-6-git-send-email-azhou@ovn.org/",
    "project": {
        "id": 47,
        "url": "http://patchwork.ozlabs.org/api/projects/47/?format=api",
        "name": "Open vSwitch",
        "link_name": "openvswitch",
        "list_id": "ovs-dev.openvswitch.org",
        "list_email": "ovs-dev@openvswitch.org",
        "web_url": "http://openvswitch.org/",
        "scm_url": "git@github.com:openvswitch/ovs.git",
        "webscm_url": "https://github.com/openvswitch/ovs",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1505245749-3402-6-git-send-email-azhou@ovn.org>",
    "list_archive_url": null,
    "date": "2017-09-12T19:49:08",
    "name": "[ovs-dev,merge,native,tunneling,and,port,6/7] ofproto-dpif-xlate: Rename apply_nested_clone_actions()",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "ea2c1cc5fb0154c6ac726db45080f6396464b773",
    "submitter": {
        "id": 67699,
        "url": "http://patchwork.ozlabs.org/api/people/67699/?format=api",
        "name": "Andy Zhou",
        "email": "azhou@ovn.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/1505245749-3402-6-git-send-email-azhou@ovn.org/mbox/",
    "series": [
        {
            "id": 2760,
            "url": "http://patchwork.ozlabs.org/api/series/2760/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=2760",
            "date": "2017-09-12T19:49:03",
            "name": "[ovs-dev,merge,native,tunneling,and,port,1/7] ofproto-dpif: Unfreeze within clone",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/2760/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/813034/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/813034/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<ovs-dev-bounces@openvswitch.org>",
        "X-Original-To": [
            "incoming@patchwork.ozlabs.org",
            "dev@openvswitch.org"
        ],
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            "patchwork-incoming@bilbo.ozlabs.org",
            "ovs-dev@mail.linuxfoundation.org"
        ],
        "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=openvswitch.org\n\t(client-ip=140.211.169.12; helo=mail.linuxfoundation.org;\n\tenvelope-from=ovs-dev-bounces@openvswitch.org;\n\treceiver=<UNKNOWN>)",
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        ],
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        "X-Google-Smtp-Source": "ADKCNb64AjH4I5KOOUJH7kmrN6R3ukK4dnW3DMO09juMrnB0vlvjxpCUUOEK00/qPZTgODU6PnhFxQ==",
        "X-Received": "by 10.84.128.78 with SMTP id 72mr18708951pla.376.1505245802716; \n\tTue, 12 Sep 2017 12:50:02 -0700 (PDT)",
        "From": "Andy Zhou <azhou@ovn.org>",
        "To": "dev@openvswitch.org",
        "Date": "Tue, 12 Sep 2017 12:49:08 -0700",
        "Message-Id": "<1505245749-3402-6-git-send-email-azhou@ovn.org>",
        "X-Mailer": "git-send-email 1.8.3.1",
        "In-Reply-To": "<1505245749-3402-1-git-send-email-azhou@ovn.org>",
        "References": "<1505245749-3402-1-git-send-email-azhou@ovn.org>",
        "X-Spam-Status": "No, score=0.5 required=5.0 tests=FREEMAIL_FROM,\n\tRCVD_IN_DNSWL_NONE,\n\tRCVD_IN_SORBS_SPAM autolearn=disabled version=3.3.1",
        "X-Spam-Checker-Version": "SpamAssassin 3.3.1 (2010-03-16) on\n\tsmtp1.linux-foundation.org",
        "Subject": "[ovs-dev] [merge native tunneling and patch port 6/7]\n\tofproto-dpif-xlate: Rename apply_nested_clone_actions()",
        "X-BeenThere": "ovs-dev@openvswitch.org",
        "X-Mailman-Version": "2.1.12",
        "Precedence": "list",
        "List-Id": "<ovs-dev.openvswitch.org>",
        "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe>",
        "List-Archive": "<http://mail.openvswitch.org/pipermail/ovs-dev/>",
        "List-Post": "<mailto:ovs-dev@openvswitch.org>",
        "List-Help": "<mailto:ovs-dev-request@openvswitch.org?subject=help>",
        "List-Subscribe": "<https://mail.openvswitch.org/mailman/listinfo/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=subscribe>",
        "MIME-Version": "1.0",
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        "Sender": "ovs-dev-bounces@openvswitch.org",
        "Errors-To": "ovs-dev-bounces@openvswitch.org"
    },
    "content": "To patch_port_output(). The original function name does not make\nmuch sense.\n\nSigned-off-by: Andy Zhou <azhou@ovn.org>\n---\n ofproto/ofproto-dpif-xlate.c | 33 +++++++++++++++++----------------\n 1 file changed, 17 insertions(+), 16 deletions(-)",
    "diff": "diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c\nindex 81853c29afbf..94aa071a37cd 100644\n--- a/ofproto/ofproto-dpif-xlate.c\n+++ b/ofproto/ofproto-dpif-xlate.c\n@@ -432,8 +432,8 @@ static void xlate_action_set(struct xlate_ctx *ctx);\n static void xlate_commit_actions(struct xlate_ctx *ctx);\n \n static void\n-apply_nested_clone_actions(struct xlate_ctx *ctx, const struct xport *in_dev,\n-                           struct xport *out_dev);\n+patch_port_output(struct xlate_ctx *ctx, const struct xport *in_dev,\n+                  struct xport *out_dev);\n \n static void\n ctx_trigger_freeze(struct xlate_ctx *ctx)\n@@ -3317,7 +3317,7 @@ validate_and_combine_post_tnl_actions(struct xlate_ctx *ctx,\n     entry->tunnel_hdr.hdr_size = tnl_push_data.header_len;\n     entry->tunnel_hdr.operation = ADD;\n \n-    apply_nested_clone_actions(ctx, xport, out_dev);\n+    patch_port_output(ctx, xport, out_dev);\n     nested_act_flag = is_tunnel_actions_clone_ready(ctx);\n \n     if (nested_act_flag) {\n@@ -3509,21 +3509,22 @@ xlate_flow_is_protected(const struct xlate_ctx *ctx, const struct flow *flow, co\n             xport_in->xbundle->protected && xport_out->xbundle->protected);\n }\n \n-/* Function to combine actions from following device/port with the current\n- * device actions in openflow pipeline. Mainly used for the translation of\n- * patch/tunnel port output actions. It pushes the openflow state into a stack\n- * first, clear out to execute the packet through the device and finally pop\n- * the openflow state back from the stack. This is equivalent to cloning\n- * a packet in translation for the duration of execution.\n+/* Function handles when a packet is sent from one bridge to another bridge.\n  *\n- * On output to a patch port, the output action will be replaced with set of\n- * nested actions on the peer patch port.\n- * Similarly on output to a tunnel port, the post nested actions on\n- * tunnel are chained up with the tunnel-push action.\n+ * The bridges are internally connected, either with patch ports or with\n+ * tunnel ports.\n+ *\n+ * The output action to another bridge causes translation to continue within\n+ * the next bridge. This process can be recursive; the next bridge can\n+ * output yet to another bridge.\n+ *\n+ * The translated actions from the second bridge onwards are enclosed within\n+ * the clone action, so that any modification to the packet will not be visible\n+ * to the remaining actions of the originating bridge.\n  */\n static void\n-apply_nested_clone_actions(struct xlate_ctx *ctx, const struct xport *in_dev,\n-              struct xport *out_dev)\n+patch_port_output(struct xlate_ctx *ctx, const struct xport *in_dev,\n+                  struct xport *out_dev)\n {\n     struct flow *flow = &ctx->xin->flow;\n     struct flow old_flow = ctx->xin->flow;\n@@ -3760,7 +3761,7 @@ compose_output_action__(struct xlate_ctx *ctx, ofp_port_t ofp_port,\n     }\n \n     if (xport->peer) {\n-       apply_nested_clone_actions(ctx, xport, xport->peer);\n+       patch_port_output(ctx, xport, xport->peer);\n        return;\n     }\n \n",
    "prefixes": [
        "ovs-dev",
        "merge",
        "native",
        "tunneling",
        "and",
        "port",
        "6/7"
    ]
}