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GET /api/patches/810044/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 810044,
    "url": "http://patchwork.ozlabs.org/api/patches/810044/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/1504603381-30071-6-git-send-email-yliu@fridaylinux.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": "<1504603381-30071-6-git-send-email-yliu@fridaylinux.org>",
    "list_archive_url": null,
    "date": "2017-09-05T09:22:58",
    "name": "[ovs-dev,v2,5/8] dpif-netdev: record rx queue id for the upcall",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "518b1faf2b307510bc144ca5e45bec03ee0009d5",
    "submitter": {
        "id": 72215,
        "url": "http://patchwork.ozlabs.org/api/people/72215/?format=api",
        "name": "Yuanhan Liu",
        "email": "yliu@fridaylinux.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/1504603381-30071-6-git-send-email-yliu@fridaylinux.org/mbox/",
    "series": [
        {
            "id": 1528,
            "url": "http://patchwork.ozlabs.org/api/series/1528/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=1528",
            "date": "2017-09-05T09:22:53",
            "name": "OVS-DPDK flow offload with rte_flow",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/1528/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/810044/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/810044/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        ],
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        "X-Google-Smtp-Source": "ADKCNb6EoYsgLnX9FXPUSbDVCFJ92Nj6qvXoxkPfe21T5ivAmiDFWwcflRAkTpNJDIibn6DKRGPJWw==",
        "X-Received": "by 10.84.240.140 with SMTP id z12mr3676233plk.18.1504603431325; \n\tTue, 05 Sep 2017 02:23:51 -0700 (PDT)",
        "From": "Yuanhan Liu <yliu@fridaylinux.org>",
        "To": "dev@openvswitch.org",
        "Date": "Tue,  5 Sep 2017 17:22:58 +0800",
        "Message-Id": "<1504603381-30071-6-git-send-email-yliu@fridaylinux.org>",
        "X-Mailer": "git-send-email 2.7.4",
        "In-Reply-To": "<1504603381-30071-1-git-send-email-yliu@fridaylinux.org>",
        "References": "<1504603381-30071-1-git-send-email-yliu@fridaylinux.org>",
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        "X-Spam-Checker-Version": "SpamAssassin 3.3.1 (2010-03-16) on\n\tsmtp1.linux-foundation.org",
        "Subject": "[ovs-dev] [PATCH v2 5/8] dpif-netdev: record rx queue id for the\n\tupcall",
        "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/>",
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        "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": "From: Shachar Beiser <shacharbe@mellanox.com>\n\nFor the DPDK flow offload, which basically just binds a MARK action to\na flow, the MARK is required to be used together with a QUEUE action for\nthe most NICs I'm aware of. The QUEUE action then needs a queue index,\nwhich is not given in the flow content.\n\nHere we record the rx queue while recieving the pkts to solve above issue.\n\nCo-authored-by: Yuanhan Liu <yliu@fridaylinux.org>\nSigned-off-by: Shachar Beiser <shacharbe@mellanox.com>\nSigned-off-by: Yuanhan Liu <yliu@fridaylinux.org>\n---\n lib/dp-packet.h   |  1 +\n lib/dpif-netdev.c | 14 +++++++++-----\n lib/netdev.c      |  1 +\n lib/netdev.h      |  1 +\n 4 files changed, 12 insertions(+), 5 deletions(-)",
    "diff": "diff --git a/lib/dp-packet.h b/lib/dp-packet.h\nindex a7a062f..479a734 100644\n--- a/lib/dp-packet.h\n+++ b/lib/dp-packet.h\n@@ -709,6 +709,7 @@ enum { NETDEV_MAX_BURST = 32 }; /* Maximum number packets in a batch. */\n struct dp_packet_batch {\n     size_t count;\n     bool trunc; /* true if the batch needs truncate. */\n+    int rxq;\n     struct dp_packet *packets[NETDEV_MAX_BURST];\n };\n \ndiff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c\nindex a95b8d4..3099c73 100644\n--- a/lib/dpif-netdev.c\n+++ b/lib/dpif-netdev.c\n@@ -2474,7 +2474,8 @@ out:\n static struct dp_netdev_flow *\n dp_netdev_flow_add(struct dp_netdev_pmd_thread *pmd,\n                    struct match *match, const ovs_u128 *ufid,\n-                   const struct nlattr *actions, size_t actions_len)\n+                   const struct nlattr *actions, size_t actions_len,\n+                   int rxq)\n     OVS_REQUIRES(pmd->flow_mutex)\n {\n     struct dp_netdev_flow *flow;\n@@ -2527,6 +2528,7 @@ dp_netdev_flow_add(struct dp_netdev_pmd_thread *pmd,\n         dp_netdev_alloc_flow_mark(pmd, &info.flow_mark)) {\n         struct dp_netdev_port *port;\n         port = dp_netdev_lookup_port(pmd->dp, in_port);\n+        info.rxq = rxq;\n         if (netdev_flow_put(port->netdev, match,\n                             CONST_CAST(struct nlattr *, actions),\n                             actions_len, ufid, &info, NULL) == 0) {\n@@ -2607,7 +2609,7 @@ flow_put_on_pmd(struct dp_netdev_pmd_thread *pmd,\n         if (put->flags & DPIF_FP_CREATE) {\n             if (cmap_count(&pmd->flow_table) < MAX_FLOWS) {\n                 dp_netdev_flow_add(pmd, match, ufid, put->actions,\n-                                   put->actions_len);\n+                                   put->actions_len, -1);\n                 error = 0;\n             } else {\n                 error = EFBIG;\n@@ -2635,6 +2637,7 @@ flow_put_on_pmd(struct dp_netdev_pmd_thread *pmd,\n                 in_port = netdev_flow->flow.in_port.odp_port;\n                 port = dp_netdev_lookup_port(pmd->dp, in_port);\n                 info.flow_mark = netdev_flow->mark;\n+                info.rxq = -1;\n                 ret = netdev_flow_put(port->netdev, match,\n                                       CONST_CAST(struct nlattr *,\n                                                  put->actions),\n@@ -5026,7 +5029,7 @@ handle_packet_upcall(struct dp_netdev_pmd_thread *pmd,\n                      struct dp_packet *packet,\n                      const struct netdev_flow_key *key,\n                      struct ofpbuf *actions, struct ofpbuf *put_actions,\n-                     int *lost_cnt, long long now)\n+                     int *lost_cnt, long long now, int rxq)\n {\n     struct ofpbuf *add_actions;\n     struct dp_packet_batch b;\n@@ -5082,7 +5085,8 @@ handle_packet_upcall(struct dp_netdev_pmd_thread *pmd,\n         if (OVS_LIKELY(!netdev_flow)) {\n             netdev_flow = dp_netdev_flow_add(pmd, &match, &ufid,\n                                              add_actions->data,\n-                                             add_actions->size);\n+                                             add_actions->size,\n+                                             rxq);\n         }\n         ovs_mutex_unlock(&pmd->flow_mutex);\n         emc_probabilistic_insert(pmd, key, netdev_flow);\n@@ -5152,7 +5156,7 @@ fast_path_processing(struct dp_netdev_pmd_thread *pmd,\n \n             miss_cnt++;\n             handle_packet_upcall(pmd, packets[i], &keys[i], &actions,\n-                                 &put_actions, &lost_cnt, now);\n+                                 &put_actions, &lost_cnt, now, packets_->rxq);\n         }\n \n         ofpbuf_uninit(&actions);\ndiff --git a/lib/netdev.c b/lib/netdev.c\nindex b4e570b..c9b7019 100644\n--- a/lib/netdev.c\n+++ b/lib/netdev.c\n@@ -700,6 +700,7 @@ netdev_rxq_recv(struct netdev_rxq *rx, struct dp_packet_batch *batch)\n \n     retval = rx->netdev->netdev_class->rxq_recv(rx, batch);\n     if (!retval) {\n+        batch->rxq = rx->queue_id;\n         COVERAGE_INC(netdev_received);\n     } else {\n         batch->count = 0;\ndiff --git a/lib/netdev.h b/lib/netdev.h\nindex 2003165..28ad39d 100644\n--- a/lib/netdev.h\n+++ b/lib/netdev.h\n@@ -194,6 +194,7 @@ struct offload_info {\n      * it will be in the pkt meta data.\n      */\n     uint32_t flow_mark;\n+    int rxq;\n };\n struct dpif_class;\n struct netdev_flow_dump;\n",
    "prefixes": [
        "ovs-dev",
        "v2",
        "5/8"
    ]
}