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GET /api/patches/65295/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 65295,
    "url": "http://patches.dpdk.org/api/patches/65295/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1580292549-27439-8-git-send-email-matan@mellanox.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": "<1580292549-27439-8-git-send-email-matan@mellanox.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1580292549-27439-8-git-send-email-matan@mellanox.com",
    "date": "2020-01-29T10:09:03",
    "name": "[v2,07/13] vdpa/mlx5: support stateless offloads",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "d7a927bca2df064aa194dd8c67fe1ac9f6838f5a",
    "submitter": {
        "id": 796,
        "url": "http://patches.dpdk.org/api/people/796/?format=api",
        "name": "Matan Azrad",
        "email": "matan@mellanox.com"
    },
    "delegate": {
        "id": 2642,
        "url": "http://patches.dpdk.org/api/users/2642/?format=api",
        "username": "mcoquelin",
        "first_name": "Maxime",
        "last_name": "Coquelin",
        "email": "maxime.coquelin@redhat.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1580292549-27439-8-git-send-email-matan@mellanox.com/mbox/",
    "series": [
        {
            "id": 8335,
            "url": "http://patches.dpdk.org/api/series/8335/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=8335",
            "date": "2020-01-29T10:08:56",
            "name": "Introduce mlx5 vDPA driver",
            "version": 2,
            "mbox": "http://patches.dpdk.org/series/8335/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/65295/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/65295/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 dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 107AEA0531;\n\tWed, 29 Jan 2020 11:10:35 +0100 (CET)",
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 36F4D1BFB0;\n\tWed, 29 Jan 2020 11:10:07 +0100 (CET)",
            "from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129])\n by dpdk.org (Postfix) with ESMTP id 3AB6F1BFAF\n for <dev@dpdk.org>; Wed, 29 Jan 2020 11:10:05 +0100 (CET)",
            "from Internal Mail-Server by MTLPINE2 (envelope-from\n asafp@mellanox.com)\n with ESMTPS (AES256-SHA encrypted); 29 Jan 2020 12:10:00 +0200",
            "from pegasus07.mtr.labs.mlnx (pegasus07.mtr.labs.mlnx\n [10.210.16.112])\n by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 00TA9BHN032108;\n Wed, 29 Jan 2020 12:10:00 +0200"
        ],
        "From": "Matan Azrad <matan@mellanox.com>",
        "To": "dev@dpdk.org, Viacheslav Ovsiienko <viacheslavo@mellanox.com>",
        "Cc": "Maxime Coquelin <maxime.coquelin@redhat.com>",
        "Date": "Wed, 29 Jan 2020 10:09:03 +0000",
        "Message-Id": "<1580292549-27439-8-git-send-email-matan@mellanox.com>",
        "X-Mailer": "git-send-email 1.8.3.1",
        "In-Reply-To": "<1580292549-27439-1-git-send-email-matan@mellanox.com>",
        "References": "<1579539790-3882-1-git-send-email-matan@mellanox.com>\n <1580292549-27439-1-git-send-email-matan@mellanox.com>",
        "Subject": "[dpdk-dev] [PATCH v2 07/13] vdpa/mlx5: support stateless offloads",
        "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 <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",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Add support for the next features in virtq configuration:\n\tVIRTIO_F_RING_PACKED,\n\tVIRTIO_NET_F_HOST_TSO4,\n\tVIRTIO_NET_F_HOST_TSO6,\n\tVIRTIO_NET_F_CSUM,\n\tVIRTIO_NET_F_GUEST_CSUM,\n\tVIRTIO_F_VERSION_1,\n\nThese features support depends in the DevX capabilities reported by the\ndevice.\n\nSigned-off-by: Matan Azrad <matan@mellanox.com>\nAcked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>\n---\n doc/guides/vdpadevs/features/mlx5.ini |   7 ++-\n drivers/vdpa/mlx5/mlx5_vdpa.c         |  10 ----\n drivers/vdpa/mlx5/mlx5_vdpa.h         |  10 ++++\n drivers/vdpa/mlx5/mlx5_vdpa_virtq.c   | 108 ++++++++++++++++++++++++++++------\n 4 files changed, 107 insertions(+), 28 deletions(-)",
    "diff": "diff --git a/doc/guides/vdpadevs/features/mlx5.ini b/doc/guides/vdpadevs/features/mlx5.ini\nindex fea491d..e4ee34b 100644\n--- a/doc/guides/vdpadevs/features/mlx5.ini\n+++ b/doc/guides/vdpadevs/features/mlx5.ini\n@@ -4,10 +4,15 @@\n ; Refer to default.ini for the full list of available driver features.\n ;\n [Features]\n-\n+csum                 = Y\n+guest csum           = Y\n+host tso4            = Y\n+host tso6            = Y\n+version 1            = Y\n any layout           = Y\n guest announce       = Y\n mq                   = Y\n+packed               = Y\n proto mq             = Y\n proto log shmfd      = Y\n proto host notifier  = Y\ndiff --git a/drivers/vdpa/mlx5/mlx5_vdpa.c b/drivers/vdpa/mlx5/mlx5_vdpa.c\nindex 4d30b35..dfbd0af 100644\n--- a/drivers/vdpa/mlx5/mlx5_vdpa.c\n+++ b/drivers/vdpa/mlx5/mlx5_vdpa.c\n@@ -1,8 +1,6 @@\n /* SPDX-License-Identifier: BSD-3-Clause\n  * Copyright 2019 Mellanox Technologies, Ltd\n  */\n-#include <linux/virtio_net.h>\n-\n #include <rte_malloc.h>\n #include <rte_log.h>\n #include <rte_errno.h>\n@@ -17,14 +15,6 @@\n #include \"mlx5_vdpa.h\"\n \n \n-#ifndef VIRTIO_F_ORDER_PLATFORM\n-#define VIRTIO_F_ORDER_PLATFORM 36\n-#endif\n-\n-#ifndef VIRTIO_F_RING_PACKED\n-#define VIRTIO_F_RING_PACKED 34\n-#endif\n-\n #define MLX5_VDPA_DEFAULT_FEATURES ((1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | \\\n \t\t\t    (1ULL << VIRTIO_F_ANY_LAYOUT) | \\\n \t\t\t    (1ULL << VIRTIO_NET_F_MQ) | \\\ndiff --git a/drivers/vdpa/mlx5/mlx5_vdpa.h b/drivers/vdpa/mlx5/mlx5_vdpa.h\nindex a7e2185..e530058 100644\n--- a/drivers/vdpa/mlx5/mlx5_vdpa.h\n+++ b/drivers/vdpa/mlx5/mlx5_vdpa.h\n@@ -5,6 +5,7 @@\n #ifndef RTE_PMD_MLX5_VDPA_H_\n #define RTE_PMD_MLX5_VDPA_H_\n \n+#include <linux/virtio_net.h>\n #include <sys/queue.h>\n \n #include <rte_vdpa.h>\n@@ -20,6 +21,14 @@\n #define MLX5_VDPA_INTR_RETRIES 256\n #define MLX5_VDPA_INTR_RETRIES_USEC 1000\n \n+#ifndef VIRTIO_F_ORDER_PLATFORM\n+#define VIRTIO_F_ORDER_PLATFORM 36\n+#endif\n+\n+#ifndef VIRTIO_F_RING_PACKED\n+#define VIRTIO_F_RING_PACKED 34\n+#endif\n+\n struct mlx5_vdpa_cq {\n \tuint16_t log_desc_n;\n \tuint32_t cq_ci:24;\n@@ -85,6 +94,7 @@ struct mlx5_vdpa_priv {\n \tstruct mlx5_devx_obj *td;\n \tstruct mlx5_devx_obj *tis;\n \tuint16_t nr_virtqs;\n+\tuint64_t features; /* Negotiated features. */\n \tSLIST_HEAD(virtq_list, mlx5_vdpa_virtq) virtq_list;\n \tSLIST_HEAD(mr_list, mlx5_vdpa_query_mr) mr_list;\n };\ndiff --git a/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c b/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c\nindex 781bccf..e27af28 100644\n--- a/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c\n+++ b/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c\n@@ -57,6 +57,7 @@\n \t\tclaim_zero(mlx5_devx_cmd_destroy(priv->td));\n \t\tpriv->td = NULL;\n \t}\n+\tpriv->features = 0;\n }\n \n static uint64_t\n@@ -94,6 +95,14 @@\n \t\treturn -1;\n \tvirtq->index = index;\n \tvirtq->vq_size = vq.size;\n+\tattr.tso_ipv4 = !!(priv->features & (1ULL << VIRTIO_NET_F_HOST_TSO4));\n+\tattr.tso_ipv6 = !!(priv->features & (1ULL << VIRTIO_NET_F_HOST_TSO6));\n+\tattr.tx_csum = !!(priv->features & (1ULL << VIRTIO_NET_F_CSUM));\n+\tattr.rx_csum = !!(priv->features & (1ULL << VIRTIO_NET_F_GUEST_CSUM));\n+\tattr.virtio_version_1_0 = !!(priv->features & (1ULL <<\n+\t\t\t\t\t\t\tVIRTIO_F_VERSION_1));\n+\tattr.type = (priv->features & (1ULL << VIRTIO_F_RING_PACKED)) ?\n+\t\t\tMLX5_VIRTQ_TYPE_PACKED : MLX5_VIRTQ_TYPE_SPLIT;\n \t/*\n \t * No need event QPs creation when the guest in poll mode or when the\n \t * capability allows it.\n@@ -139,24 +148,29 @@\n \t\tattr.umems[i].offset = 0;\n \t\tattr.umems[i].size = virtq->umems[i].size;\n \t}\n-\tgpa = mlx5_vdpa_hva_to_gpa(priv->vmem, (uint64_t)(uintptr_t)vq.desc);\n-\tif (!gpa) {\n-\t\tDRV_LOG(ERR, \"Fail to get GPA for descriptor ring.\");\n-\t\tgoto error;\n-\t}\n-\tattr.desc_addr = gpa;\n-\tgpa = mlx5_vdpa_hva_to_gpa(priv->vmem, (uint64_t)(uintptr_t)vq.used);\n-\tif (!gpa) {\n-\t\tDRV_LOG(ERR, \"Fail to get GPA for used ring.\");\n-\t\tgoto error;\n-\t}\n-\tattr.used_addr = gpa;\n-\tgpa = mlx5_vdpa_hva_to_gpa(priv->vmem, (uint64_t)(uintptr_t)vq.avail);\n-\tif (!gpa) {\n-\t\tDRV_LOG(ERR, \"Fail to get GPA for available ring.\");\n-\t\tgoto error;\n+\tif (attr.type == MLX5_VIRTQ_TYPE_SPLIT) {\n+\t\tgpa = mlx5_vdpa_hva_to_gpa(priv->vmem,\n+\t\t\t\t\t   (uint64_t)(uintptr_t)vq.desc);\n+\t\tif (!gpa) {\n+\t\t\tDRV_LOG(ERR, \"Failed to get descriptor ring GPA.\");\n+\t\t\tgoto error;\n+\t\t}\n+\t\tattr.desc_addr = gpa;\n+\t\tgpa = mlx5_vdpa_hva_to_gpa(priv->vmem,\n+\t\t\t\t\t   (uint64_t)(uintptr_t)vq.used);\n+\t\tif (!gpa) {\n+\t\t\tDRV_LOG(ERR, \"Failed to get GPA for used ring.\");\n+\t\t\tgoto error;\n+\t\t}\n+\t\tattr.used_addr = gpa;\n+\t\tgpa = mlx5_vdpa_hva_to_gpa(priv->vmem,\n+\t\t\t\t\t   (uint64_t)(uintptr_t)vq.avail);\n+\t\tif (!gpa) {\n+\t\t\tDRV_LOG(ERR, \"Failed to get GPA for available ring.\");\n+\t\t\tgoto error;\n+\t\t}\n+\t\tattr.available_addr = gpa;\n \t}\n-\tattr.available_addr = gpa;\n \trte_vhost_get_vring_base(priv->vid, index, &last_avail_idx,\n \t\t\t\t &last_used_idx);\n \tDRV_LOG(INFO, \"vid %d: Init last_avail_idx=%d, last_used_idx=%d for \"\n@@ -176,6 +190,61 @@\n \treturn -1;\n }\n \n+static int\n+mlx5_vdpa_features_validate(struct mlx5_vdpa_priv *priv)\n+{\n+\tif (priv->features & (1ULL << VIRTIO_F_RING_PACKED)) {\n+\t\tif (!(priv->caps.virtio_queue_type & (1 <<\n+\t\t\t\t\t\t     MLX5_VIRTQ_TYPE_PACKED))) {\n+\t\t\tDRV_LOG(ERR, \"Failed to configur PACKED mode for vdev \"\n+\t\t\t\t\"%d - it was not reported by HW/driver\"\n+\t\t\t\t\" capability.\", priv->vid);\n+\t\t\treturn -ENOTSUP;\n+\t\t}\n+\t}\n+\tif (priv->features & (1ULL << VIRTIO_NET_F_HOST_TSO4)) {\n+\t\tif (!priv->caps.tso_ipv4) {\n+\t\t\tDRV_LOG(ERR, \"Failed to enable TSO4 for vdev %d - TSO4\"\n+\t\t\t\t\" was not reported by HW/driver capability.\",\n+\t\t\t\tpriv->vid);\n+\t\t\treturn -ENOTSUP;\n+\t\t}\n+\t}\n+\tif (priv->features & (1ULL << VIRTIO_NET_F_HOST_TSO6)) {\n+\t\tif (!priv->caps.tso_ipv6) {\n+\t\t\tDRV_LOG(ERR, \"Failed to enable TSO6 for vdev %d - TSO6\"\n+\t\t\t\t\" was not reported by HW/driver capability.\",\n+\t\t\t\tpriv->vid);\n+\t\t\treturn -ENOTSUP;\n+\t\t}\n+\t}\n+\tif (priv->features & (1ULL << VIRTIO_NET_F_CSUM)) {\n+\t\tif (!priv->caps.tx_csum) {\n+\t\t\tDRV_LOG(ERR, \"Failed to enable CSUM for vdev %d - CSUM\"\n+\t\t\t\t\" was not reported by HW/driver capability.\",\n+\t\t\t\tpriv->vid);\n+\t\t\treturn -ENOTSUP;\n+\t\t}\n+\t}\n+\tif (priv->features & (1ULL << VIRTIO_NET_F_GUEST_CSUM)) {\n+\t\tif (!priv->caps.rx_csum) {\n+\t\t\tDRV_LOG(ERR, \"Failed to enable GUEST CSUM for vdev %d\"\n+\t\t\t\t\" GUEST CSUM was not reported by HW/driver \"\n+\t\t\t\t\"capability.\", priv->vid);\n+\t\t\treturn -ENOTSUP;\n+\t\t}\n+\t}\n+\tif (priv->features & (1ULL << VIRTIO_F_VERSION_1)) {\n+\t\tif (!priv->caps.virtio_version_1_0) {\n+\t\t\tDRV_LOG(ERR, \"Failed to enable version 1 for vdev %d \"\n+\t\t\t\t\"version 1 was not reported by HW/driver\"\n+\t\t\t\t\" capability.\", priv->vid);\n+\t\t\treturn -ENOTSUP;\n+\t\t}\n+\t}\n+\treturn 0;\n+}\n+\n int\n mlx5_vdpa_virtqs_prepare(struct mlx5_vdpa_priv *priv)\n {\n@@ -183,7 +252,12 @@\n \tstruct mlx5_vdpa_virtq *virtq;\n \tuint32_t i;\n \tuint16_t nr_vring = rte_vhost_get_vring_num(priv->vid);\n+\tint ret = rte_vhost_get_negotiated_features(priv->vid, &priv->features);\n \n+\tif (ret || mlx5_vdpa_features_validate(priv)) {\n+\t\tDRV_LOG(ERR, \"Failed to configure negotiated features.\");\n+\t\treturn -1;\n+\t}\n \tpriv->td = mlx5_devx_cmd_create_td(priv->ctx);\n \tif (!priv->td) {\n \t\tDRV_LOG(ERR, \"Failed to create transport domain.\");\n",
    "prefixes": [
        "v2",
        "07/13"
    ]
}