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GET /api/patches/42775/?format=api
{ "id": 42775, "url": "http://patches.dpdk.org/api/patches/42775/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20180711030917.181098-17-qi.z.zhang@intel.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20180711030917.181098-17-qi.z.zhang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20180711030917.181098-17-qi.z.zhang@intel.com", "date": "2018-07-11T03:09:14", "name": "[v11,16/19] net/tap: enable hotplug on secondary process", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "e550c870c720d75f959f91a4fc95d6ba0c99ac4d", "submitter": { "id": 504, "url": "http://patches.dpdk.org/api/people/504/?format=api", "name": "Qi Zhang", "email": "qi.z.zhang@intel.com" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20180711030917.181098-17-qi.z.zhang@intel.com/mbox/", "series": [ { "id": 508, "url": "http://patches.dpdk.org/api/series/508/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=508", "date": "2018-07-11T03:08:59", "name": "enable hotplug on multi-process", "version": 11, "mbox": "http://patches.dpdk.org/series/508/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/42775/comments/", "check": "fail", "checks": "http://patches.dpdk.org/api/patches/42775/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 0E2431B502;\n\tWed, 11 Jul 2018 05:09:46 +0200 (CEST)", "from mga12.intel.com (mga12.intel.com [192.55.52.136])\n\tby dpdk.org (Postfix) with ESMTP id 8929D1B468\n\tfor <dev@dpdk.org>; Wed, 11 Jul 2018 05:09:06 +0200 (CEST)", "from fmsmga001.fm.intel.com ([10.253.24.23])\n\tby fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t10 Jul 2018 20:09:05 -0700", "from dpdk51.sh.intel.com ([10.67.110.190])\n\tby fmsmga001.fm.intel.com with ESMTP; 10 Jul 2018 20:09:04 -0700" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.51,336,1526367600\"; d=\"scan'208\";a=\"71306941\"", "From": "Qi Zhang <qi.z.zhang@intel.com>", "To": "thomas@monjalon.net,\n\tanatoly.burakov@intel.com", "Cc": "konstantin.ananyev@intel.com, dev@dpdk.org, bruce.richardson@intel.com, \n\tferruh.yigit@intel.com, benjamin.h.shelton@intel.com,\n\tnarender.vangati@intel.com, Qi Zhang <qi.z.zhang@intel.com>", "Date": "Wed, 11 Jul 2018 11:09:14 +0800", "Message-Id": "<20180711030917.181098-17-qi.z.zhang@intel.com>", "X-Mailer": "git-send-email 2.13.6", "In-Reply-To": "<20180711030917.181098-1-qi.z.zhang@intel.com>", "References": "<20180607123849.14439-1-qi.z.zhang@intel.com>\n\t<20180711030917.181098-1-qi.z.zhang@intel.com>", "Subject": "[dpdk-dev] [PATCH v11 16/19] net/tap: enable hotplug on secondary\n\tprocess", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Attach port from secondary should ignore devargs since the private\ndevice is not necessary to support. Also previously, detach port on\na secondary process will mess primary process and cause the same\ndevice can't be attached back again. A secondary process should use\nrte_eth_release_port_private to release a port.\n\nSigned-off-by: Qi Zhang <qi.z.zhang@intel.com>\nAcked-by: Keith Wiles <keith.wiles@intel.com>\n---\n drivers/net/tap/rte_eth_tap.c | 13 +++++++++----\n 1 file changed, 9 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c\nindex df396bfde..a58d5ebe6 100644\n--- a/drivers/net/tap/rte_eth_tap.c\n+++ b/drivers/net/tap/rte_eth_tap.c\n@@ -1750,8 +1750,7 @@ rte_pmd_tap_probe(struct rte_vdev_device *dev)\n \tname = rte_vdev_device_name(dev);\n \tparams = rte_vdev_device_args(dev);\n \n-\tif (rte_eal_process_type() == RTE_PROC_SECONDARY &&\n-\t strlen(params) == 0) {\n+\tif (rte_eal_process_type() == RTE_PROC_SECONDARY) {\n \t\teth_dev = rte_eth_dev_attach_secondary(name);\n \t\tif (!eth_dev) {\n \t\t\tTAP_LOG(ERR, \"Failed to probe %s\", name);\n@@ -1759,6 +1758,7 @@ rte_pmd_tap_probe(struct rte_vdev_device *dev)\n \t\t}\n \t\t/* TODO: request info from primary to set up Rx and Tx */\n \t\teth_dev->dev_ops = &ops;\n+\t\teth_dev->device = &dev->device;\n \t\trte_eth_dev_probing_finish(eth_dev);\n \t\treturn 0;\n \t}\n@@ -1827,12 +1827,17 @@ rte_pmd_tap_remove(struct rte_vdev_device *dev)\n {\n \tstruct rte_eth_dev *eth_dev = NULL;\n \tstruct pmd_internals *internals;\n+\tconst char *name;\n \tint i;\n \n+\tname = rte_vdev_device_name(dev);\n \t/* find the ethdev entry */\n-\teth_dev = rte_eth_dev_allocated(rte_vdev_device_name(dev));\n+\teth_dev = rte_eth_dev_allocated(name);\n \tif (!eth_dev)\n-\t\treturn 0;\n+\t\treturn -ENODEV;\n+\n+\tif (rte_eal_process_type() != RTE_PROC_PRIMARY)\n+\t\treturn rte_eth_dev_release_port_private(eth_dev);\n \n \tinternals = eth_dev->data->dev_private;\n \n", "prefixes": [ "v11", "16/19" ] }