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GET /api/1.0/patches/2197179/?format=api
{ "id": 2197179, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2197179/?format=api", "project": { "id": 47, "url": "http://patchwork.ozlabs.org/api/1.0/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": "<20260217100529.2739141-2-david.marchand@redhat.com>", "date": "2026-02-17T10:05:28", "name": "[ovs-dev,RFC,v2,1/2] netdev-dpdk: Enhance logging for port hotplug.", "commit_ref": null, "pull_url": null, "state": "rfc", "archived": false, "hash": "9c1d010c5c57b407b73b85eab269d0bb297e3898", "submitter": { "id": 75396, "url": "http://patchwork.ozlabs.org/api/1.0/people/75396/?format=api", "name": "David Marchand", "email": "david.marchand@redhat.com" }, "delegate": { "id": 75123, "url": "http://patchwork.ozlabs.org/api/1.0/users/75123/?format=api", "username": "echaudron", "first_name": "Eelco", "last_name": "Chaudron", "email": "echaudro@redhat.com" }, "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260217100529.2739141-2-david.marchand@redhat.com/mbox/", "series": [ { "id": 492405, "url": "http://patchwork.ozlabs.org/api/1.0/series/492405/?format=api", "date": "2026-02-17T10:05:27", "name": "Disable initial device probe in DPDK.", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492405/mbox/" } ], "check": "success", "checks": "http://patchwork.ozlabs.org/api/patches/2197179/checks/", "tags": {}, "headers": { "Return-Path": "<ovs-dev-bounces@openvswitch.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "dev@openvswitch.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "ovs-dev@lists.linuxfoundation.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=a4aNofpj;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::137; 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helo=lists.linuxfoundation.org;\n envelope-from=ovs-dev-bounces@openvswitch.org; receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp4.osuosl.org 0E42040CAC", "OpenDKIM Filter v2.11.0 smtp4.osuosl.org EC6FC40C81" ], "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=170.10.129.124;\n helo=us-smtp-delivery-124.mimecast.com;\n envelope-from=david.marchand@redhat.com; receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp4.osuosl.org EC6FC40C81", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1771322754;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=Gyh3qNQBphciNYAgnM/EK0aAERe/sRUTyCxHxTgeK3s=;\n b=a4aNofpjgxHuY9PKHuy5s/aVLgJ3aPzTBoMcZshCf3nvAgKPSocqs6wQ6Betlluiokx+ec\n hDaReS4K9Y35Ki6tcYIrdM1EifKeNQzXX2oB/5I7CQBvCZmoN2g6XGC9lvtT04klL4gnIy\n 94oOApPPSSkpLR3ZvCt1HbQbIk7Vxqo=", "X-MC-Unique": "jPKa41L1PqWa9mt2s7j3cw-1", "X-Mimecast-MFC-AGG-ID": "jPKa41L1PqWa9mt2s7j3cw_1771322750", "To": "dev@openvswitch.org", "Date": "Tue, 17 Feb 2026 11:05:28 +0100", "Message-ID": "<20260217100529.2739141-2-david.marchand@redhat.com>", "In-Reply-To": "<20260217100529.2739141-1-david.marchand@redhat.com>", "References": "<20260217100529.2739141-1-david.marchand@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.4", "X-Mimecast-Spam-Score": "0", "X-Mimecast-MFC-PROC-ID": "0kVsEBv7vPY-FDBoz7pjM_8OwoYy9PNPJmWPajbcN44_1771322750", "X-Mimecast-Originator": "redhat.com", "Subject": "[ovs-dev] [RFC v2 1/2] netdev-dpdk: Enhance logging for port\n hotplug.", "X-BeenThere": "ovs-dev@openvswitch.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "<ovs-dev.openvswitch.org>", "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n <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 <mailto:ovs-dev-request@openvswitch.org?subject=subscribe>", "From": "David Marchand via dev <ovs-dev@openvswitch.org>", "Reply-To": "David Marchand <david.marchand@redhat.com>", "Cc": "elibr@nvidia.com", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "ovs-dev-bounces@openvswitch.org", "Sender": "\"dev\" <ovs-dev-bounces@openvswitch.org>" }, "content": "Currently, if one incorrect mac is set, a first log with little context\nis displayed, followed by a more complete one.\n\nBesides, if no port can be identified with the passed mac, then no\nexplanation is displayed.\n\nReport some details in a single log.\n\nBefore:\nnetdev_dpdk|ERR|invalid mac: 00:00:00:00:00:\nnetdev_dpdk|WARN|Error attaching device 'class=eth,mac=00:00:00:00:00:'\n\tto DPDK\n...\nnetdev_dpdk|WARN|Error attaching device 'class=eth,mac=00:00:00:00:00:00'\n\tto DPDK\n\nAfter:\nnetdev_dpdk|WARN|Error attaching device 'class=eth,mac=00:00:00:00:00:'\n\tto DPDK: invalid mac\n...\nnetdev_dpdk|WARN|Error attaching device 'class=eth,mac=00:00:00:00:00:00'\n\tto DPDK: unknown mac\n\nSigned-off-by: David Marchand <david.marchand@redhat.com>\n---\nChanges since RFC v1:\n- removed redundant \"to DPDK\" in netdev-dpdk log messages,\n\n---\n lib/netdev-dpdk.c | 29 ++++++++++++++++++++---------\n 1 file changed, 20 insertions(+), 9 deletions(-)", "diff": "diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c\nindex 923191da84..c51fe7c258 100644\n--- a/lib/netdev-dpdk.c\n+++ b/lib/netdev-dpdk.c\n@@ -2028,13 +2028,15 @@ netdev_dpdk_lookup_by_port_id(dpdk_port_t port_id)\n }\n \n static dpdk_port_t\n-netdev_dpdk_get_port_by_mac(const char *mac_str)\n+netdev_dpdk_get_port_by_mac(const char *mac_str, char **extra_err)\n {\n dpdk_port_t port_id;\n struct eth_addr mac, port_mac;\n \n+ *extra_err = NULL;\n+\n if (!eth_addr_from_string(mac_str, &mac)) {\n- VLOG_ERR(\"invalid mac: %s\", mac_str);\n+ *extra_err = xstrdup(\"invalid mac\");\n return DPDK_ETH_PORT_ID_INVALID;\n }\n \n@@ -2048,6 +2050,7 @@ netdev_dpdk_get_port_by_mac(const char *mac_str)\n }\n }\n \n+ *extra_err = xstrdup(\"unknown mac\");\n return DPDK_ETH_PORT_ID_INVALID;\n }\n \n@@ -2084,32 +2087,40 @@ netdev_dpdk_process_devargs(struct netdev_dpdk *dev,\n OVS_REQUIRES(dpdk_mutex)\n {\n dpdk_port_t new_port_id;\n+ char *extra_err = NULL;\n \n if (strncmp(devargs, \"class=eth,mac=\", 14) == 0) {\n- new_port_id = netdev_dpdk_get_port_by_mac(&devargs[14]);\n+ new_port_id = netdev_dpdk_get_port_by_mac(&devargs[14], &extra_err);\n } else {\n new_port_id = netdev_dpdk_get_port_by_devargs(devargs);\n if (!rte_eth_dev_is_valid_port(new_port_id)) {\n- /* Device not found in DPDK, attempt to attach it */\n- if (rte_dev_probe(devargs)) {\n+ int ret;\n+\n+ /* Port not found in DPDK, attempt to attach the device. */\n+ ret = rte_dev_probe(devargs);\n+ if (ret < 0) {\n new_port_id = DPDK_ETH_PORT_ID_INVALID;\n+ extra_err = xstrdup(ovs_strerror(-ret));\n } else {\n new_port_id = netdev_dpdk_get_port_by_devargs(devargs);\n if (rte_eth_dev_is_valid_port(new_port_id)) {\n- /* Attach successful */\n+ /* Port lookup successful. */\n dev->attached = true;\n- VLOG_INFO(\"Device '%s' attached to DPDK\", devargs);\n+ VLOG_INFO(\"Device '%s' attached\", devargs);\n } else {\n- /* Attach unsuccessful */\n+ /* Port lookup unsuccessful. */\n new_port_id = DPDK_ETH_PORT_ID_INVALID;\n+ extra_err = xstrdup(\"port unknown\");\n }\n }\n }\n }\n \n if (new_port_id == DPDK_ETH_PORT_ID_INVALID) {\n- VLOG_WARN_BUF(errp, \"Error attaching device '%s' to DPDK\", devargs);\n+ VLOG_WARN_BUF(errp, \"Error attaching device '%s': %s\", devargs,\n+ extra_err ? extra_err : \"unknown error\");\n }\n+ free(extra_err);\n \n return new_port_id;\n }\n", "prefixes": [ "ovs-dev", "RFC", "v2", "1/2" ] }