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{
    "id": 42956,
    "url": "http://patches.dpdk.org/api/patches/42956/",
    "web_url": "http://patches.dpdk.org/patch/42956/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/",
        "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"
    },
    "msgid": "<d7d8264eb218b822ba85e60a06629e0874d11dad.1531387413.git.nelio.laranjeiro@6wind.com>",
    "date": "2018-07-12T09:30:55",
    "name": "[v4,09/21] net/mlx5: add flow IPv6 item",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "4a291f2c8de030fd00b3b750d912fbba83d85ca4",
    "submitter": {
        "id": 243,
        "url": "http://patches.dpdk.org/api/people/243/",
        "name": "Nélio Laranjeiro",
        "email": "nelio.laranjeiro@6wind.com"
    },
    "delegate": {
        "id": 6624,
        "url": "http://patches.dpdk.org/api/users/6624/",
        "username": "shahafs",
        "first_name": "Shahaf",
        "last_name": "Shuler",
        "email": "shahafs@mellanox.com"
    },
    "mbox": "http://patches.dpdk.org/patch/42956/mbox/",
    "series": [
        {
            "id": 544,
            "url": "http://patches.dpdk.org/api/series/544/",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=544",
            "date": "2018-07-12T09:30:46",
            "name": "net/mlx5: flow rework",
            "version": 4,
            "mbox": "http://patches.dpdk.org/series/544/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/42956/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/42956/checks/",
    "tags": {},
    "headers": {
        "X-Mailman-Version": "2.1.15",
        "In-Reply-To": "<cover.1531387413.git.nelio.laranjeiro@6wind.com>",
        "Errors-To": "dev-bounces@dpdk.org",
        "X-Mailer": "git-send-email 2.18.0",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 35C071B5E6;\n\tThu, 12 Jul 2018 11:31:47 +0200 (CEST)",
            "from mail-wm0-f68.google.com (mail-wm0-f68.google.com\n\t[74.125.82.68]) by dpdk.org (Postfix) with ESMTP id 3B8BE1B569\n\tfor <dev@dpdk.org>; Thu, 12 Jul 2018 11:31:33 +0200 (CEST)",
            "by mail-wm0-f68.google.com with SMTP id z13-v6so5288247wma.5\n\tfor <dev@dpdk.org>; Thu, 12 Jul 2018 02:31:33 -0700 (PDT)",
            "from laranjeiro-vm.dev.6wind.com\n\t(host.78.145.23.62.rev.coltfrance.com. [62.23.145.78])\n\tby smtp.gmail.com with ESMTPSA id\n\ts2-v6sm18717603wrn.75.2018.07.12.02.31.31\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tThu, 12 Jul 2018 02:31:32 -0700 (PDT)"
        ],
        "References": "<cover.1531293415.git.nelio.laranjeiro@6wind.com>\n\t<cover.1531387413.git.nelio.laranjeiro@6wind.com>",
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        "Message-Id": "<d7d8264eb218b822ba85e60a06629e0874d11dad.1531387413.git.nelio.laranjeiro@6wind.com>",
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        "Delivered-To": "patchwork@dpdk.org",
        "Precedence": "list",
        "From": "Nelio Laranjeiro <nelio.laranjeiro@6wind.com>",
        "X-Original-To": "patchwork@dpdk.org",
        "List-Post": "<mailto:dev@dpdk.org>",
        "Return-Path": "<dev-bounces@dpdk.org>",
        "Sender": "\"dev\" <dev-bounces@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>",
        "To": "dev@dpdk.org,\n\tYongseok Koh <yskoh@mellanox.com>",
        "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>",
        "Date": "Thu, 12 Jul 2018 11:30:55 +0200",
        "X-Gm-Message-State": "AOUpUlETzb/1J4pZVoHKMVOzCXOPIDeGdit5ACtMFBpvmmWqi8CwJR29\n\tMZzW49iATvvhJUi6Px8EI3QHgYpJOg==",
        "Cc": "Adrien Mazarguil <adrien.mazarguil@6wind.com>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "Subject": "[dpdk-dev] [PATCH v4 09/21] net/mlx5: add flow IPv6 item"
    },
    "content": "Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>\nAcked-by: Yongseok Koh <yskoh@mellanox.com>\n---\n drivers/net/mlx5/mlx5_flow.c | 115 +++++++++++++++++++++++++++++++++++\n 1 file changed, 115 insertions(+)",
    "diff": "diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c\nindex c05b8498d..513f70d40 100644\n--- a/drivers/net/mlx5/mlx5_flow.c\n+++ b/drivers/net/mlx5/mlx5_flow.c\n@@ -593,6 +593,118 @@ mlx5_flow_item_ipv4(const struct rte_flow_item *item, struct rte_flow *flow,\n \treturn size;\n }\n \n+/**\n+ * Convert the @p item into a Verbs specification after ensuring the NIC\n+ * will understand and process it correctly.\n+ * If the necessary size for the conversion is greater than the @p flow_size,\n+ * nothing is written in @p flow, the validation is still performed.\n+ *\n+ * @param[in] item\n+ *   Item specification.\n+ * @param[in, out] flow\n+ *   Pointer to flow structure.\n+ * @param[in] flow_size\n+ *   Size in bytes of the available space in @p flow, if too small, nothing is\n+ *   written.\n+ * @param[out] error\n+ *   Pointer to error structure.\n+ *\n+ * @return\n+ *   On success the number of bytes consumed/necessary, if the returned value\n+ *   is lesser or equal to @p flow_size, the @p item has fully been converted,\n+ *   otherwise another call with this returned memory size should be done.\n+ *   On error, a negative errno value is returned and rte_errno is set.\n+ */\n+static int\n+mlx5_flow_item_ipv6(const struct rte_flow_item *item, struct rte_flow *flow,\n+\t\t    const size_t flow_size, struct rte_flow_error *error)\n+{\n+\tconst struct rte_flow_item_ipv6 *spec = item->spec;\n+\tconst struct rte_flow_item_ipv6 *mask = item->mask;\n+\tconst struct rte_flow_item_ipv6 nic_mask = {\n+\t\t.hdr = {\n+\t\t\t.src_addr =\n+\t\t\t\t\"\\xff\\xff\\xff\\xff\\xff\\xff\\xff\\xff\"\n+\t\t\t\t\"\\xff\\xff\\xff\\xff\\xff\\xff\\xff\\xff\",\n+\t\t\t.dst_addr =\n+\t\t\t\t\"\\xff\\xff\\xff\\xff\\xff\\xff\\xff\\xff\"\n+\t\t\t\t\"\\xff\\xff\\xff\\xff\\xff\\xff\\xff\\xff\",\n+\t\t\t.vtc_flow = RTE_BE32(0xffffffff),\n+\t\t\t.proto = 0xff,\n+\t\t\t.hop_limits = 0xff,\n+\t\t},\n+\t};\n+\tunsigned int size = sizeof(struct ibv_flow_spec_ipv6);\n+\tstruct ibv_flow_spec_ipv6 ipv6 = {\n+\t\t.type = IBV_FLOW_SPEC_IPV6,\n+\t\t.size = size,\n+\t};\n+\tint ret;\n+\n+\tif (flow->layers & MLX5_FLOW_LAYER_OUTER_L3)\n+\t\treturn rte_flow_error_set(error, ENOTSUP,\n+\t\t\t\t\t  RTE_FLOW_ERROR_TYPE_ITEM,\n+\t\t\t\t\t  item,\n+\t\t\t\t\t  \"multiple L3 layers not supported\");\n+\telse if (flow->layers & MLX5_FLOW_LAYER_OUTER_L4)\n+\t\treturn rte_flow_error_set(error, ENOTSUP,\n+\t\t\t\t\t  RTE_FLOW_ERROR_TYPE_ITEM,\n+\t\t\t\t\t  item,\n+\t\t\t\t\t  \"L3 cannot follow an L4 layer.\");\n+\tif (!mask)\n+\t\tmask = &rte_flow_item_ipv6_mask;\n+\tret = mlx5_flow_item_acceptable\n+\t\t(item, (const uint8_t *)mask,\n+\t\t (const uint8_t *)&nic_mask,\n+\t\t sizeof(struct rte_flow_item_ipv6), error);\n+\tif (ret < 0)\n+\t\treturn ret;\n+\tflow->layers |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;\n+\tif (size > flow_size)\n+\t\treturn size;\n+\tif (spec) {\n+\t\tunsigned int i;\n+\t\tuint32_t vtc_flow_val;\n+\t\tuint32_t vtc_flow_mask;\n+\n+\t\tmemcpy(&ipv6.val.src_ip, spec->hdr.src_addr,\n+\t\t       RTE_DIM(ipv6.val.src_ip));\n+\t\tmemcpy(&ipv6.val.dst_ip, spec->hdr.dst_addr,\n+\t\t       RTE_DIM(ipv6.val.dst_ip));\n+\t\tmemcpy(&ipv6.mask.src_ip, mask->hdr.src_addr,\n+\t\t       RTE_DIM(ipv6.mask.src_ip));\n+\t\tmemcpy(&ipv6.mask.dst_ip, mask->hdr.dst_addr,\n+\t\t       RTE_DIM(ipv6.mask.dst_ip));\n+\t\tvtc_flow_val = rte_be_to_cpu_32(spec->hdr.vtc_flow);\n+\t\tvtc_flow_mask = rte_be_to_cpu_32(mask->hdr.vtc_flow);\n+\t\tipv6.val.flow_label =\n+\t\t\trte_cpu_to_be_32((vtc_flow_val & IPV6_HDR_FL_MASK) >>\n+\t\t\t\t\t IPV6_HDR_FL_SHIFT);\n+\t\tipv6.val.traffic_class = (vtc_flow_val & IPV6_HDR_TC_MASK) >>\n+\t\t\t\t\t IPV6_HDR_TC_SHIFT;\n+\t\tipv6.val.next_hdr = spec->hdr.proto;\n+\t\tipv6.val.hop_limit = spec->hdr.hop_limits;\n+\t\tipv6.mask.flow_label =\n+\t\t\trte_cpu_to_be_32((vtc_flow_mask & IPV6_HDR_FL_MASK) >>\n+\t\t\t\t\t IPV6_HDR_FL_SHIFT);\n+\t\tipv6.mask.traffic_class = (vtc_flow_mask & IPV6_HDR_TC_MASK) >>\n+\t\t\t\t\t  IPV6_HDR_TC_SHIFT;\n+\t\tipv6.mask.next_hdr = mask->hdr.proto;\n+\t\tipv6.mask.hop_limit = mask->hdr.hop_limits;\n+\t\t/* Remove unwanted bits from values. */\n+\t\tfor (i = 0; i < RTE_DIM(ipv6.val.src_ip); ++i) {\n+\t\t\tipv6.val.src_ip[i] &= ipv6.mask.src_ip[i];\n+\t\t\tipv6.val.dst_ip[i] &= ipv6.mask.dst_ip[i];\n+\t\t}\n+\t\tipv6.val.flow_label &= ipv6.mask.flow_label;\n+\t\tipv6.val.traffic_class &= ipv6.mask.traffic_class;\n+\t\tipv6.val.next_hdr &= ipv6.mask.next_hdr;\n+\t\tipv6.val.hop_limit &= ipv6.mask.hop_limit;\n+\t}\n+\tmlx5_flow_spec_verbs_add(flow, &ipv6, size);\n+\treturn size;\n+}\n+\n /**\n  * Convert the @p pattern into a Verbs specifications after ensuring the NIC\n  * will understand and process it correctly.\n@@ -641,6 +753,9 @@ mlx5_flow_items(const struct rte_flow_item pattern[],\n \t\tcase RTE_FLOW_ITEM_TYPE_IPV4:\n \t\t\tret = mlx5_flow_item_ipv4(pattern, flow, remain, error);\n \t\t\tbreak;\n+\t\tcase RTE_FLOW_ITEM_TYPE_IPV6:\n+\t\t\tret = mlx5_flow_item_ipv6(pattern, flow, remain, error);\n+\t\t\tbreak;\n \t\tdefault:\n \t\t\treturn rte_flow_error_set(error, ENOTSUP,\n \t\t\t\t\t\t  RTE_FLOW_ERROR_TYPE_ITEM,\n",
    "prefixes": [
        "v4",
        "09/21"
    ]
}