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GET /api/patches/45534/?format=api
{ "id": 45534, "url": "http://patches.dpdk.org/api/patches/45534/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1538059845-35896-4-git-send-email-dekelp@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": "<1538059845-35896-4-git-send-email-dekelp@mellanox.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1538059845-35896-4-git-send-email-dekelp@mellanox.com", "date": "2018-09-27T14:50:44", "name": "[3/4] net/mlx5: add DV encap L2 and L3 operations", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "612ebf0ec279ca227a39e55cb7b5f60be665cebf", "submitter": { "id": 1082, "url": "http://patches.dpdk.org/api/people/1082/?format=api", "name": "Dekel Peled", "email": "dekelp@mellanox.com" }, "delegate": { "id": 6624, "url": "http://patches.dpdk.org/api/users/6624/?format=api", "username": "shahafs", "first_name": "Shahaf", "last_name": "Shuler", "email": "shahafs@mellanox.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1538059845-35896-4-git-send-email-dekelp@mellanox.com/mbox/", "series": [ { "id": 1555, "url": "http://patches.dpdk.org/api/series/1555/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1555", "date": "2018-09-27T14:50:41", "name": "support DV encap and decap actions", "version": 1, "mbox": "http://patches.dpdk.org/series/1555/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/45534/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/45534/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 9C2F01B4D1;\n\tThu, 27 Sep 2018 16:52:17 +0200 (CEST)", "from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129])\n\tby dpdk.org (Postfix) with ESMTP id 6EC501B4D1\n\tfor <dev@dpdk.org>; Thu, 27 Sep 2018 16:52:15 +0200 (CEST)", "from Internal Mail-Server by MTLPINE1 (envelope-from\n\tdekelp@mellanox.com)\n\twith ESMTPS (AES256-SHA encrypted); 27 Sep 2018 16:56:44 +0200", "from mtl-vdi-280.wap.labs.mlnx. (mtl-vdi-280.wap.labs.mlnx\n\t[10.128.130.87])\n\tby labmailer.mlnx (8.13.8/8.13.8) with ESMTP id w8REq7gL013802;\n\tThu, 27 Sep 2018 17:52:10 +0300" ], "From": "Dekel Peled <dekelp@mellanox.com>", "To": "dev@dpdk.org, shahafs@mellanox.com, yskoh@mellanox.com", "Cc": "orika@mellanox.com", "Date": "Thu, 27 Sep 2018 17:50:44 +0300", "Message-Id": "<1538059845-35896-4-git-send-email-dekelp@mellanox.com>", "X-Mailer": "git-send-email 1.7.1", "In-Reply-To": "<1538059845-35896-1-git-send-email-dekelp@mellanox.com>", "References": "<1538059845-35896-1-git-send-email-dekelp@mellanox.com>", "Subject": "[dpdk-dev] [PATCH 3/4] net/mlx5: add DV encap L2 and L3 operations", "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": "This patch adds support for Direct Verbs encap operations, L2 and L3.\n\nSigned-off-by: Dekel Peled <dekelp@mellanox.com>\n---\n drivers/net/mlx5/mlx5_flow_dv.c | 249 +++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 244 insertions(+), 5 deletions(-)", "diff": "diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c\nindex 1f3fcb8..50925ac 100644\n--- a/drivers/net/mlx5/mlx5_flow_dv.c\n+++ b/drivers/net/mlx5/mlx5_flow_dv.c\n@@ -85,6 +85,178 @@\n }\n \n /**\n+ * Validate the tunnel encap action.\n+ *\n+ * @param[in] action_flags\n+ * holds the actions detected until now.\n+ * @param[in] action\n+ * Pointer to the encap action.\n+ * @param[in] attr\n+ * Pointer to flow attributes\n+ * @param[out] error\n+ * Pointer to error structure.\n+ *\n+ * @return\n+ * 0 on success, a negative errno value otherwise and rte_ernno is set.\n+ */\n+static int\n+mlx5_flow_validate_action_tunnel_encap(uint64_t action_flags,\n+\t\t\t\t const struct rte_flow_action *action,\n+\t\t\t\t const struct rte_flow_attr *attr,\n+\t\t\t\t struct rte_flow_error *error)\n+{\n+\tconst struct rte_flow_action_tunnel_encap *tunnel_encap = action->conf;\n+\n+\tif (!tunnel_encap || !(tunnel_encap->buf))\n+\t\treturn rte_flow_error_set(error, EINVAL,\n+\t\t\t\t\t RTE_FLOW_ERROR_TYPE_ACTION,\n+\t\t\t\t\t action,\n+\t\t\t\t\t \"configuration cannot be null\");\n+\tif (action_flags & MLX5_ACTION_DROP)\n+\t\treturn rte_flow_error_set(error,\n+\t\t\t\t\t ENOTSUP,\n+\t\t\t\t\t RTE_FLOW_ERROR_TYPE_ACTION,\n+\t\t\t\t\t NULL,\n+\t\t\t\t\t \"can't drop and encap in same flow\");\n+\tif (action_flags & (MLX5_ACTION_TUNNEL_ENCAP |\n+\t\t\t MLX5_ACTION_TUNNEL_ENCAP_L3))\n+\t\treturn rte_flow_error_set(error,\n+\t\t\t\t\t ENOTSUP,\n+\t\t\t\t\t RTE_FLOW_ERROR_TYPE_ACTION,\n+\t\t\t\t\t NULL,\n+\t\t\t\t\t \"can't have 2 encap actions in same\"\n+\t\t\t\t\t \" flow\");\n+\tif (attr->ingress)\n+\t\treturn rte_flow_error_set(error, ENOTSUP,\n+\t\t\t\t\tRTE_FLOW_ERROR_TYPE_ATTR_INGRESS,\n+\t\t\t\t\tNULL,\n+\t\t\t\t\t\"encap action not supported for \"\n+\t\t\t\t\t\"ingress\");\n+\treturn 0;\n+}\n+\n+/**\n+ * Validate the tunnel encap L3 action\n+ *\n+ * @param[in] action_flags\n+ * holds the actions detected until now.\n+ * @param[in] action\n+ * Pointer to the encap action.\n+ * @param[in] attr\n+ * Pointer to flow attributes\n+ * @param[out] error\n+ * Pointer to error structure.\n+ *\n+ * @return\n+ * 0 on success, a negative errno value otherwise and rte_ernno is set.\n+ */\n+static int\n+mlx5_flow_validate_action_tunnel_encap_l3(uint64_t action_flags,\n+\t\t\t\t\t const struct rte_flow_action *action,\n+\t\t\t\t\t const struct rte_flow_attr *attr,\n+\t\t\t\t\t struct rte_flow_error *error)\n+{\n+\tconst struct rte_flow_action_tunnel_encap_l3 *tunnel_encap_l3 =\n+\t\t\t\t\t\t\t\taction->conf;\n+\n+\tif (!tunnel_encap_l3 || !(tunnel_encap_l3->buf))\n+\t\treturn rte_flow_error_set(error, EINVAL,\n+\t\t\t\t\t RTE_FLOW_ERROR_TYPE_ACTION,\n+\t\t\t\t\t action,\n+\t\t\t\t\t \"configuration cannot be null\");\n+\tif (action_flags & MLX5_ACTION_DROP)\n+\t\treturn rte_flow_error_set(error,\n+\t\t\t\t\t ENOTSUP,\n+\t\t\t\t\t RTE_FLOW_ERROR_TYPE_ACTION,\n+\t\t\t\t\t NULL,\n+\t\t\t\t\t \"can't drop and encap in same flow\");\n+\tif (action_flags & (MLX5_ACTION_TUNNEL_ENCAP |\n+\t\t\t MLX5_ACTION_TUNNEL_ENCAP_L3))\n+\t\treturn rte_flow_error_set(error,\n+\t\t\t\t\t ENOTSUP,\n+\t\t\t\t\t RTE_FLOW_ERROR_TYPE_ACTION,\n+\t\t\t\t\t NULL,\n+\t\t\t\t\t \"can't have 2 encap actions in same\"\n+\t\t\t\t\t \" flow\");\n+\tif (attr->ingress)\n+\t\treturn rte_flow_error_set(error, ENOTSUP,\n+\t\t\t\t\tRTE_FLOW_ERROR_TYPE_ATTR_INGRESS,\n+\t\t\t\t\tNULL,\n+\t\t\t\t\t\"encap action not supported for \"\n+\t\t\t\t\t\"ingress\");\n+\treturn 0;\n+}\n+\n+/**\n+ * Convert encap action to DV specification.\n+ *\n+ * @param[in] action\n+ * Pointer to action structure.\n+ * @param[in] ctx\n+ * Verbs context.\n+ * @param[out] error\n+ * Pointer to the error structure.\n+ *\n+ * @return\n+ * Pointer to action on success, NULL otherwise and rte_errno is set.\n+ */\n+static struct ibv_flow_action *\n+mlx5_flow_dv_create_encap(const struct rte_flow_action *action,\n+\t\t\t struct ibv_context *ctx,\n+\t\t\t struct rte_flow_error *error)\n+{\n+\tstruct ibv_flow_action *encap_verb = NULL;\n+\tconst struct rte_flow_action_tunnel_encap *encap_data;\n+\n+\tencap_data = (const struct rte_flow_action_tunnel_encap *)action->conf;\n+\tencap_verb = mlx5_glue->dv_create_flow_action_packet_reformat(ctx,\n+\t\t\tencap_data->size,\n+\t\t\tencap_data->size ? encap_data->buf :\n+\t\t\t\t\t NULL,\n+\t\t\tMLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL,\n+\t\t\tMLX5DV_FLOW_TABLE_TYPE_NIC_TX);\n+\tif (!encap_verb)\n+\t\trte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,\n+\t\t\t\t NULL, \"cannot create encap action\");\n+\treturn encap_verb;\n+}\n+\n+/**\n+ * Convert encap L3 action to DV specification.\n+ *\n+ * @param[in] action\n+ * Pointer to action structure.\n+ * @param[in] ctx\n+ * Verbs context.\n+ * @param[out] error\n+ * Pointer to the error structure.\n+ *\n+ * @return\n+ * Pointer to action on success, NULL otherwise and rte_errno is set.\n+ */\n+static struct ibv_flow_action *\n+mlx5_flow_dv_create_encap_l3(const struct rte_flow_action *action,\n+\t\t\t struct ibv_context *ctx,\n+\t\t\t struct rte_flow_error *error)\n+{\n+\tstruct ibv_flow_action *encap_l3_verb = NULL;\n+\tconst struct rte_flow_action_tunnel_encap_l3 *encap_l3_data;\n+\n+\tencap_l3_data =\n+\t\t(const struct rte_flow_action_tunnel_encap_l3 *)action->conf;\n+\tencap_l3_verb = mlx5_glue->dv_create_flow_action_packet_reformat(ctx,\n+\t\t\tencap_l3_data->size,\n+\t\t\tencap_l3_data->size ? encap_l3_data->buf :\n+\t\t\t\t\t NULL,\n+\t\t\tMLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL,\n+\t\t\tMLX5DV_FLOW_TABLE_TYPE_NIC_TX);\n+\tif (!encap_l3_verb)\n+\t\trte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,\n+\t\t\t\t NULL, \"cannot create encap L3 action\");\n+\treturn encap_l3_verb;\n+}\n+\n+/**\n * Verify the @p attributes will be correctly understood by the NIC and store\n * them in the @p flow if everything is correct.\n *\n@@ -337,6 +509,26 @@\n \t\t\taction_flags |= MLX5_ACTION_COUNT;\n \t\t\t++actions_n;\n \t\t\tbreak;\n+\t\tcase RTE_FLOW_ACTION_TYPE_TUNNEL_ENCAP:\n+\t\t\tret = mlx5_flow_validate_action_tunnel_encap\n+\t\t\t\t(action_flags,\n+\t\t\t\t actions,\n+\t\t\t\t attr,\n+\t\t\t\t error);\n+\t\t\tif (ret < 0)\n+\t\t\t\treturn ret;\n+\t\t\taction_flags |= MLX5_ACTION_TUNNEL_ENCAP;\n+\t\t\tbreak;\n+\t\tcase RTE_FLOW_ACTION_TYPE_TUNNEL_ENCAP_L3:\n+\t\t\tret = mlx5_flow_validate_action_tunnel_encap_l3\n+\t\t\t\t(action_flags,\n+\t\t\t\t actions,\n+\t\t\t\t attr,\n+\t\t\t\t error);\n+\t\t\tif (ret < 0)\n+\t\t\t\treturn ret;\n+\t\t\taction_flags |= MLX5_ACTION_TUNNEL_ENCAP_L3;\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_ACTION,\n@@ -1047,10 +1239,19 @@\n * Flow action to translate.\n * @param[in, out] dev_flow\n * Pointer to the mlx5_flow.\n+ * @param[in] ctx\n+ * Verbs context.\n+ * @param[out] error\n+ * Pointer to the error structure.\n+ *\n+ * @return\n+ * 0 on success, a negative errno value otherwise and rte_ernno is set.\n */\n-static void\n+static int\n flow_dv_create_action(const struct rte_flow_action *action,\n-\t\t struct mlx5_flow *dev_flow)\n+\t\t struct mlx5_flow *dev_flow,\n+\t\t struct ibv_context *ctx,\n+\t\t struct rte_flow_error *error)\n {\n \tconst struct rte_flow_action_queue *queue;\n \tconst struct rte_flow_action_rss *rss;\n@@ -1095,10 +1296,35 @@\n \t\t/* Added to array only in apply since we need the QP */\n \t\tflow->actions |= MLX5_ACTION_RSS;\n \t\tbreak;\n+\tcase RTE_FLOW_ACTION_TYPE_TUNNEL_ENCAP:\n+\t\tdev_flow->dv.actions[actions_n].type =\n+\t\t\tMLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;\n+\t\tdev_flow->dv.actions[actions_n].action =\n+\t\t\tmlx5_flow_dv_create_encap(action, ctx, error);\n+\t\tif (!(dev_flow->dv.actions[actions_n].action))\n+\t\t\treturn -rte_errno;\n+\t\tdev_flow->dv.encap_verb =\n+\t\t\tdev_flow->dv.actions[actions_n].action;\n+\t\tflow->actions |= MLX5_ACTION_TUNNEL_ENCAP;\n+\t\tactions_n++;\n+\t\tbreak;\n+\tcase RTE_FLOW_ACTION_TYPE_TUNNEL_ENCAP_L3:\n+\t\tdev_flow->dv.actions[actions_n].type =\n+\t\t\tMLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;\n+\t\tdev_flow->dv.actions[actions_n].action =\n+\t\t\tmlx5_flow_dv_create_encap_l3(action, ctx, error);\n+\t\tif (!(dev_flow->dv.actions[actions_n].action))\n+\t\t\treturn -rte_errno;\n+\t\tdev_flow->dv.encap_verb =\n+\t\t\tdev_flow->dv.actions[actions_n].action;\n+\t\tflow->actions |= MLX5_ACTION_TUNNEL_ENCAP_L3;\n+\t\tactions_n++;\n+\t\tbreak;\n \tdefault:\n \t\tbreak;\n \t}\n \tdev_flow->dv.actions_n = actions_n;\n+\treturn 0;\n }\n \n static uint32_t matcher_zero[MLX5_ST_SZ_DW(fte_match_param)] = { 0 };\n@@ -1247,6 +1473,7 @@\n \t};\n \tvoid *match_value = dev_flow->dv.value.buf;\n \tuint8_t inner = 0;\n+\tint retval = 0;\n \n \tif (priority == MLX5_FLOW_PRIO_RSVD)\n \t\tpriority = priv->config.flow_prio - 1;\n@@ -1262,9 +1489,14 @@\n \tmatcher.egress = attr->egress;\n \tif (flow_dv_matcher_register(dev, &matcher, dev_flow, error))\n \t\treturn -rte_errno;\n-\tfor (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)\n-\t\tflow_dv_create_action(actions, dev_flow);\n-\treturn 0;\n+\tfor (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {\n+\t\tretval =\n+\t\tflow_dv_create_action(actions, dev_flow, priv->ctx, error);\n+\t\tif (retval)\n+\t\t\tbreak;\n+\t}\n+\n+\treturn retval;\n }\n \n /**\n@@ -1447,6 +1679,13 @@\n \t\tLIST_REMOVE(dev_flow, next);\n \t\tif (dev_flow->dv.matcher)\n \t\t\tflow_dv_matcher_release(dev, dev_flow->dv.matcher);\n+\n+\t\tif (dev_flow->dv.encap_verb) {\n+\t\t\tclaim_zero(mlx5_glue->destroy_flow_action\n+\t\t\t\t\t\t(dev_flow->dv.encap_verb));\n+\t\t\tdev_flow->dv.encap_verb = NULL;\n+\t\t}\n+\n \t\trte_free(dev_flow);\n \t}\n }\n", "prefixes": [ "3/4" ] }