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GET /api/1.1/patches/2221011/?format=api
HTTP 200 OK
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{
    "id": 2221011,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2221011/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260408170613.587902-9-aconole@redhat.com/",
    "project": {
        "id": 47,
        "url": "http://patchwork.ozlabs.org/api/1.1/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"
    },
    "msgid": "<20260408170613.587902-9-aconole@redhat.com>",
    "date": "2026-04-08T17:06:04",
    "name": "[ovs-dev,RFC,08/12] conntrack: Add calls to ct-offload infrastructure.",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "aad953ffead7b6ad5efbea49946db9c91d14d1fd",
    "submitter": {
        "id": 67184,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/67184/?format=api",
        "name": "Aaron Conole",
        "email": "aconole@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260408170613.587902-9-aconole@redhat.com/mbox/",
    "series": [
        {
            "id": 499163,
            "url": "http://patchwork.ozlabs.org/api/1.1/series/499163/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=499163",
            "date": "2026-04-08T17:05:56",
            "name": "ct-offload: Introduce a conntrack offload infrastructure.",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/499163/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2221011/comments/",
    "check": "success",
    "checks": "http://patchwork.ozlabs.org/api/patches/2221011/checks/",
    "tags": {},
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        "To": "dev@openvswitch.org",
        "Date": "Wed,  8 Apr 2026 13:06:04 -0400",
        "Message-ID": "<20260408170613.587902-9-aconole@redhat.com>",
        "In-Reply-To": "<20260408170613.587902-1-aconole@redhat.com>",
        "References": "<20260408170613.587902-1-aconole@redhat.com>",
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        "X-Mimecast-Originator": "redhat.com",
        "Subject": "[ovs-dev] [RFC 08/12] conntrack: Add calls to ct-offload\n infrastructure.",
        "X-BeenThere": "ovs-dev@openvswitch.org",
        "X-Mailman-Version": "2.1.30",
        "Precedence": "list",
        "List-Id": "<ovs-dev.openvswitch.org>",
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        "From": "Aaron Conole via dev <ovs-dev@openvswitch.org>",
        "Reply-To": "Aaron Conole <aconole@redhat.com>",
        "Cc": "Eli Britstein <elibr@nvidia.com>, Florian Westphal <fwestpha@redhat.com>,\n Flavio Leitner <fbl@redhat.com>",
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    },
    "content": "This connects the offload provider infrastructure with the\nvarious places in conntrack where connection status changes\ntake place.\n\nSigned-off-by: Aaron Conole <aconole@redhat.com>\n---\n lib/conntrack.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++--\n 1 file changed, 76 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/lib/conntrack.c b/lib/conntrack.c\nindex eab65e48f2..9872d7af51 100644\n--- a/lib/conntrack.c\n+++ b/lib/conntrack.c\n@@ -27,6 +27,7 @@\n #include \"conntrack-tcp.h\"\n #include \"conntrack-tp.h\"\n #include \"coverage.h\"\n+#include \"ct-offload.h\"\n #include \"crc32c.h\"\n #include \"csum.h\"\n #include \"ct-dpif.h\"\n@@ -533,6 +534,13 @@ conn_clean(struct conntrack *ct, struct conn *conn)\n         atomic_count_dec(&zl->czl.count);\n     }\n \n+    struct ct_offload_ctx offload_ctx = {\n+        .conn           = conn,\n+        .netdev_in      = NULL,\n+        .input_port_id  = ODPP_NONE,\n+    };\n+    ct_offload_conn_del(&offload_ctx);\n+\n     ovsrcu_postpone(delete_conn, conn);\n     atomic_count_dec(&ct->n_conn);\n }\n@@ -1396,6 +1404,31 @@ process_one(struct conntrack *ct, struct dp_packet *pkt,\n                                   helper, alg_exp, ct_alg_ctl, tp_id);\n         }\n         ovs_mutex_unlock(&ct->ct_lock);\n+\n+        if (conn) {\n+            struct ct_offload_ctx offload_ctx = {\n+                .conn           = conn,\n+                .netdev_in      = NULL,\n+                .input_port_id  = pkt->md.in_port.odp_port,\n+            };\n+            ct_offload_conn_add(&offload_ctx);\n+        }\n+    }\n+\n+    if (!create_new_conn && conn && ctx->reply &&\n+        (pkt->md.ct_state & CS_ESTABLISHED) &&\n+        ct_offload_conn_is_offloaded(conn) &&\n+        !ct_offload_conn_is_established(conn)) {\n+        /* Notify offload providers that the connection is established.\n+         * We use the reply bit to detect that the connection has\n+         * transitioned and give us the input port, which should be the\n+         * reverse direction port. */\n+        struct ct_offload_ctx offload_ctx = {\n+            .conn          = conn,\n+            .netdev_in     = NULL,\n+            .input_port_id = pkt->md.in_port.odp_port,\n+        };\n+        ct_offload_conn_established(&offload_ctx);\n     }\n \n     write_ct_md(pkt, zone, conn, &ctx->key, alg_exp);\n@@ -1541,19 +1574,59 @@ ct_sweep(struct conntrack *ct, struct rculist *list, long long now,\n          size_t *cleaned_count)\n     OVS_NO_THREAD_SAFETY_ANALYSIS\n {\n+    struct ct_offload_op_batch batch;\n+    struct ct_offload_op *op;\n+\n     struct conn *conn;\n     size_t cleaned = 0;\n     size_t count = 0;\n \n+\n+    ct_offload_op_batch_init(&batch);\n+\n     RCULIST_FOR_EACH (conn, node, list) {\n         if (conn_expired(conn, now)) {\n-            conn_clean(ct, conn);\n-            cleaned++;\n+            if (!ct_offload_conn_is_offloaded(conn)) {\n+                conn_clean(ct, conn);\n+                cleaned++;\n+            } else {\n+                struct ct_offload_ctx offload_ctx = {\n+                    .conn           = conn,\n+                    .netdev_in      = NULL,\n+                    .input_port_id  = ODPP_NONE,\n+                };\n+\n+                ct_offload_op_batch_add(&batch, CT_OFFLOAD_OP_UPD,\n+                                        &offload_ctx);\n+            }\n         }\n-\n         count++;\n     }\n \n+    /* Run the batch. */\n+    ct_offload_op_batch_submit(&batch);\n+\n+    CT_OFFLOAD_BATCH_OP_FOR_EACH (idx, op, &batch) {\n+        struct conn *c = CONST_CAST(struct conn *, op->ctx.conn);\n+\n+        if (op->error) {\n+            conn_clean(ct, c);\n+            cleaned++;\n+        } else {\n+            /* Extend expiration by one sweep interval from now so the\n+             * connection survives until the next pass. */\n+            long long new_exp = now + conntrack_get_sweep_interval(ct);\n+            long long cur;\n+\n+            atomic_read_relaxed(&c->expiration, &cur);\n+            if (new_exp > cur) {\n+                atomic_store_relaxed(&c->expiration, new_exp);\n+            }\n+        }\n+    }\n+\n+    ct_offload_op_batch_destroy(&batch);\n+\n     if (cleaned_count) {\n         *cleaned_count = cleaned;\n     }\n",
    "prefixes": [
        "ovs-dev",
        "RFC",
        "08/12"
    ]
}