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GET /api/patches/137521/?format=api
{ "id": 137521, "url": "http://patchwork.dpdk.org/api/patches/137521/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/PA4PR83MB0526128CDADC4DCC27FAF491975F2@PA4PR83MB0526.EURPRD83.prod.outlook.com/", "project": { "id": 1, "url": "http://patchwork.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": "<PA4PR83MB0526128CDADC4DCC27FAF491975F2@PA4PR83MB0526.EURPRD83.prod.outlook.com>", "list_archive_url": "https://inbox.dpdk.org/dev/PA4PR83MB0526128CDADC4DCC27FAF491975F2@PA4PR83MB0526.EURPRD83.prod.outlook.com", "date": "2024-02-29T19:29:11", "name": "net/netvsc: fix number Tx queues > Rx queues", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "cbcb0ae48c9dbc3499d768b2dd7151fe1bf26eab", "submitter": { "id": 3272, "url": "http://patchwork.dpdk.org/api/people/3272/?format=api", "name": "Alan Elder", "email": "alan.elder@microsoft.com" }, "delegate": { "id": 319, "url": "http://patchwork.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/PA4PR83MB0526128CDADC4DCC27FAF491975F2@PA4PR83MB0526.EURPRD83.prod.outlook.com/mbox/", "series": [ { "id": 31309, "url": "http://patchwork.dpdk.org/api/series/31309/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=31309", "date": "2024-02-29T19:29:11", "name": "net/netvsc: fix number Tx queues > Rx queues", "version": 1, "mbox": "http://patchwork.dpdk.org/series/31309/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/137521/comments/", "check": "fail", "checks": "http://patchwork.dpdk.org/api/patches/137521/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 33F7743B97;\n\tThu, 29 Feb 2024 20:29:16 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 2157542DDD;\n\tThu, 29 Feb 2024 20:29:16 +0100 (CET)", "from EUR05-DB8-obe.outbound.protection.outlook.com\n (mail-db8eur05on2132.outbound.protection.outlook.com [40.107.20.132])\n by mails.dpdk.org (Postfix) with ESMTP id 1CF31427DE\n for <dev@dpdk.org>; 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a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector9901;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;\n bh=f/BWnb/bGNCcGYUxPFTdAX4DIh97VImmFvvnMJi03mw=;\n b=AqdsoQGMd3Dhhw1oJ27ee6vrJQBx3nNBWGwF/KNm9856/PPPm1kHoKMsyrAq+W76aNzjicSc4aF5t/6W60/lt8EH0irFyPof+dk1SEz8XxY0mosLC2qkeJxHENwFI44P7kUTy0EjggaOBcMZvEDOB2kn5dPRkXBHSqligMB+uDl1/EQTVTP4ncVia/qL0PBaCVSa9NEUzg/rW4Epz0D/fXv3Aw6x8RMuqE0zbwj30+r+lviVdtmLAj0EqMIwc8erPHfynJuGjjseOUzbmPoNHki+uobqdfBshEy37vhgVpSCoBtvLQqeLx0UQm0fGrePkPDUJnnMaBa4HsuORCTPCQ==", "ARC-Authentication-Results": "i=1; mx.microsoft.com 1; spf=pass\n smtp.mailfrom=microsoft.com; dmarc=pass action=none\n header.from=microsoft.com; dkim=pass header.d=microsoft.com; arc=none", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=selector2;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=f/BWnb/bGNCcGYUxPFTdAX4DIh97VImmFvvnMJi03mw=;\n b=UjtE0wyYfHnAYP2WoV+/8ZpqWz/GAIQ+MBUi6lThgVYhsyd9y0kX+go4BxfxhisSyqczg5awSMXEgH8oKvEiADloS/bChMORWQxqT2EBS2aRTnKbkrqDQgSgaVqrk33Gm2vnvQw8od8gA7FOYVjJDMnIa2CmW7Hm6f09DJivuA4=", "From": "Alan Elder <alan.elder@microsoft.com>", "To": "Long Li <longli@microsoft.com>, Ferruh Yigit <ferruh.yigit@amd.com>,\n Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>", "CC": "\"dev@dpdk.org\" <dev@dpdk.org>, stephen <stephen@networkplumber.org>", "Subject": "[PATCH] net/netvsc: fix number Tx queues > Rx queues", "Thread-Topic": "[PATCH] net/netvsc: fix number Tx queues > Rx queues", "Thread-Index": "AdprRTOynwRWp6iEQ1Sp/Ut/PyIh7g==", "Date": "Thu, 29 Feb 2024 19:29:11 +0000", "Message-ID": "\n <PA4PR83MB0526128CDADC4DCC27FAF491975F2@PA4PR83MB0526.EURPRD83.prod.outlook.com>", "Accept-Language": "en-US", "Content-Language": "en-US", "X-MS-Has-Attach": "", "X-MS-TNEF-Correlator": "", "msip_labels": "\n MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=979ac031-206c-4225-b627-540697dac625;\n MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ContentBits=0;\n MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=true;\n MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Method=Standard;\n MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=Internal;\n MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2024-02-29T19:11:26Z;\n MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47;", "authentication-results": "dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=microsoft.com;", "x-ms-publictraffictype": "Email", "x-ms-traffictypediagnostic": "PA4PR83MB0526:EE_|VI1PR83MB0480:EE_", "x-ms-office365-filtering-correlation-id": "afcbbe1b-615b-4c12-1752-08dc395cb4bf", "x-ld-processed": "72f988bf-86f1-41af-91ab-2d7cd011db47,ExtAddr", "x-ms-exchange-senderadcheck": "1", "x-ms-exchange-antispam-relay": "0", "x-microsoft-antispam": "BCL:0;", "x-microsoft-antispam-message-info": "\n oAA420IEvrrHn2cS/sER0z10tM4iS+/AoiVXIA2Iq1V33bOwt/2YlCve5/41kWwVnxj2v5eCYrfgftNSCb6CWga1Cb10f5dGuk6uDgTaODUekrLKqTYJMjqlwpfahwRTFm51xE4vcCyVuvWnhb+1IUZEHyhV97dNX1utj66VALVLHpP3zgJTX2Ct3OgV5EqR/zHcANAbDUWJ75azEynwceKW9R7yChqy5sjMG8/5zYUpN5DH8X4mtH6WeZMOpABo74/PGHn5r/idjOKN0lRM5U8dGC+nCOPXKzFej3o4VyvzGrhcusXUIjcXtKHVViaYj0+agHwWPk5mdRGBYjxzY81iR3H7ls7NF655W4azS5da0YCOL+VrsRASNs0OXTkiydxmovPM5lHrSHXqDvRxnYZijVhDrFjQ+GEh/Kti85TvWeTMQgqPR5xTrcTyANliTvPQqvDmY+ZVt6sB00P5b/A89XiQ0D1fHoj6NolKqnf4JdVscGEf097OxLOL6f2pB/lDllZNrWx1K8sQO2LsJ3d6+d3TSDVDMYFuLJAJ+uGlhsnbkoQZN9Oe0DAjCFyKhjw9aqSlti4idrLj4h2GWIH08cv8DDxVpZgE1l4AG16faC3czJCY/zxjg5EGnv1uH9WOorieBvpQmUb2AvmkP+O1w3l67kOhrU5dJOdbj3QAN22S0XYb329qhAtlpSHql3MCXZLUX+9Ng/MuePSwagtsOVgnszJz7Es8sqjpuWQ=", "x-forefront-antispam-report": "CIP:255.255.255.255; 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charset=\"us-ascii\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-OriginatorOrg": "microsoft.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-AuthSource": "PA4PR83MB0526.EURPRD83.prod.outlook.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n afcbbe1b-615b-4c12-1752-08dc395cb4bf", "X-MS-Exchange-CrossTenant-originalarrivaltime": "29 Feb 2024 19:29:11.1553 (UTC)", "X-MS-Exchange-CrossTenant-fromentityheader": "Hosted", "X-MS-Exchange-CrossTenant-id": "72f988bf-86f1-41af-91ab-2d7cd011db47", "X-MS-Exchange-CrossTenant-mailboxtype": "HOSTED", "X-MS-Exchange-CrossTenant-userprincipalname": "\n LHKdXY0pAt8i7v/gB/uMi+ji0tQTE/EVTKI70txEwkb2yKs0jRUoAOQe4cIYF4gnWXZIhqlsJSA15y49Bf376Q==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "VI1PR83MB0480", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <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 <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "The previous code allowed the number of Tx queues to be set higher than\nthe number of Rx queues. If a packet was sent on a Tx queue with index\n>= number Rx queues there was a segfault.\n\nThis commit fixes the issue by creating an Rx queue for every Tx queue\nmeaning that an event buffer is allocated to handle receiving Tx\ncompletion messages.\n\nmbuf pool and Rx ring are not allocated for these additional Rx queues\nand RSS configuration ensures that no packets are received on them.\n\nFixes: 4e9c73e96e83 (\"net/netvsc: add Hyper-V network device\")\nCc: sthemmin@microsoft.com\nCc: stable@dpdk.org\n\nSigned-off-by: Alan Elder <alan.elder@microsoft.com>\n---\n drivers/net/netvsc/hn_ethdev.c | 9 ++++++++\n drivers/net/netvsc/hn_rxtx.c | 40 ++++++++++++++++++++++++++++++++++\n drivers/net/netvsc/hn_var.h | 1 +\n 3 files changed, 50 insertions(+)", "diff": "diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c\nindex b8a32832d7..4111f26a37 100644\n--- a/drivers/net/netvsc/hn_ethdev.c\n+++ b/drivers/net/netvsc/hn_ethdev.c\n@@ -313,6 +313,15 @@ static int hn_rss_reta_update(struct rte_eth_dev *dev,\n \n \t\tif (reta_conf[idx].mask & mask)\n \t\t\thv->rss_ind[i] = reta_conf[idx].reta[shift];\n+\n+\t\t/*\n+\t\t * Ensure we don't allow config that directs traffic to an Rx\n+\t\t * queue that we aren't going to poll\n+\t\t */\n+\t\tif (hv->rss_ind[i] >= dev->data->nb_rx_queues) {\n+\t\t\tPMD_DRV_LOG(ERR, \"RSS distributing traffic to invalid Rx queue\");\n+\t\t\treturn -EINVAL;\n+\t\t}\n \t}\n \n \terr = hn_rndis_conf_rss(hv, NDIS_RSS_FLAG_DISABLE);\ndiff --git a/drivers/net/netvsc/hn_rxtx.c b/drivers/net/netvsc/hn_rxtx.c\nindex 9bf1ec5509..e4f6b25cee 100644\n--- a/drivers/net/netvsc/hn_rxtx.c\n+++ b/drivers/net/netvsc/hn_rxtx.c\n@@ -243,6 +243,7 @@ hn_dev_tx_queue_setup(struct rte_eth_dev *dev,\n {\n \tstruct hn_data *hv = dev->data->dev_private;\n \tstruct hn_tx_queue *txq;\n+\tstruct hn_rx_queue *rxq;\n \tchar name[RTE_MEMPOOL_NAMESIZE];\n \tuint32_t tx_free_thresh;\n \tint err = -ENOMEM;\n@@ -301,6 +302,22 @@ hn_dev_tx_queue_setup(struct rte_eth_dev *dev,\n \t\tgoto error;\n \t}\n \n+\t/*\n+\t * If there are more Tx queues than Rx queues, allocate rx_queues\n+\t * with event buffer so that Tx completion messages can still be\n+\t * received\n+\t */\n+\tif (queue_idx >= dev->data->nb_rx_queues) {\n+\t\trxq = hn_rx_queue_alloc(hv, queue_idx, socket_id);\n+\t\t/*\n+\t\t * Don't allocate mbuf pool or rx ring. RSS is always configured\n+\t\t * to ensure packets aren't received by this Rx queue.\n+\t\t */\n+\t\trxq->mb_pool = NULL;\n+\t\trxq->rx_ring = NULL;\n+\t\tdev->data->rx_queues[queue_idx] = rxq;\n+\t}\n+\n \ttxq->agg_szmax = RTE_MIN(hv->chim_szmax, hv->rndis_agg_size);\n \ttxq->agg_pktmax = hv->rndis_agg_pkts;\n \ttxq->agg_align = hv->rndis_agg_align;\n@@ -364,6 +381,13 @@ hn_dev_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid)\n \tif (!txq)\n \t\treturn;\n \n+\t/*\n+\t * Free any Rx queues allocated for a Tx queue without a corresponding\n+\t * Rx queue\n+\t */\n+\tif (qid >= dev->data->nb_rx_queues)\n+\t\thn_rx_queue_free_common(dev->data->rx_queues[qid]);\n+\n \trte_mempool_free(txq->txdesc_pool);\n \n \trte_memzone_free(txq->tx_rndis_mz);\n@@ -942,6 +966,13 @@ hn_dev_rx_queue_setup(struct rte_eth_dev *dev,\n \tif (queue_idx == 0) {\n \t\trxq = hv->primary;\n \t} else {\n+\t\t/*\n+\t\t * If the number of Tx queues was previously greater than\n+\t\t * the number of Rx queues, we may already have allocated\n+\t\t * an rxq. If so, free it now before allocating a new one.\n+\t\t */\n+\t\thn_rx_queue_free_common(dev->data->rx_queues[queue_idx]);\n+\n \t\trxq = hn_rx_queue_alloc(hv, queue_idx, socket_id);\n \t\tif (!rxq)\n \t\t\treturn -ENOMEM;\n@@ -998,6 +1029,15 @@ hn_rx_queue_free(struct hn_rx_queue *rxq, bool keep_primary)\n \tif (keep_primary && rxq == rxq->hv->primary)\n \t\treturn;\n \n+\thn_rx_queue_free_common(rxq);\n+}\n+\n+static void\n+hn_rx_queue_free_common(struct hn_rx_queue *rxq)\n+{\n+\tif (!rxq)\n+\t\treturn;\n+\n \trte_free(rxq->rxbuf_info);\n \trte_free(rxq->event_buf);\n \trte_free(rxq);\ndiff --git a/drivers/net/netvsc/hn_var.h b/drivers/net/netvsc/hn_var.h\nindex ba86129ff6..ca599957c0 100644\n--- a/drivers/net/netvsc/hn_var.h\n+++ b/drivers/net/netvsc/hn_var.h\n@@ -216,6 +216,7 @@ int\thn_dev_tx_descriptor_status(void *arg, uint16_t offset);\n struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,\n \t\t\t\t uint16_t queue_id,\n \t\t\t\t unsigned int socket_id);\n+static void hn_rx_queue_free_common(struct hn_rx_queue *rxq);\n int\thn_dev_rx_queue_setup(struct rte_eth_dev *dev,\n \t\t\t uint16_t queue_idx, uint16_t nb_desc,\n \t\t\t unsigned int socket_id,\n", "prefixes": [] }