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GET /api/patches/133809/?format=api
{ "id": 133809, "url": "http://patchwork.dpdk.org/api/patches/133809/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20231103062606.2632012-3-chaoyong.he@corigine.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": "<20231103062606.2632012-3-chaoyong.he@corigine.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231103062606.2632012-3-chaoyong.he@corigine.com", "date": "2023-11-03T06:25:57", "name": "[02/11] drivers: add the structures and functions for flow offload", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "2fad4845e133429a1b9cb9b30da90e2012c58776", "submitter": { "id": 2554, "url": "http://patchwork.dpdk.org/api/people/2554/?format=api", "name": "Chaoyong He", "email": "chaoyong.he@corigine.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/20231103062606.2632012-3-chaoyong.he@corigine.com/mbox/", "series": [ { "id": 30130, "url": "http://patchwork.dpdk.org/api/series/30130/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=30130", "date": "2023-11-03T06:25:55", "name": "Add basic flow support for corenic firmware", "version": 1, "mbox": "http://patchwork.dpdk.org/series/30130/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/133809/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/133809/checks/", "tags": {}, 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"Authentication-Results": "dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=corigine.com;", "From": "Chaoyong He <chaoyong.he@corigine.com>", "To": "dev@dpdk.org", "Cc": "oss-drivers@corigine.com, Chaoyong He <chaoyong.he@corigine.com>,\n Long Wu <long.wu@corigine.com>, Peng Zhang <peng.zhang@corigine.com>", "Subject": "[PATCH 02/11] drivers: add the structures and functions for flow\n offload", "Date": "Fri, 3 Nov 2023 14:25:57 +0800", "Message-Id": "<20231103062606.2632012-3-chaoyong.he@corigine.com>", "X-Mailer": "git-send-email 2.39.1", "In-Reply-To": "<20231103062606.2632012-1-chaoyong.he@corigine.com>", "References": "<20231103062606.2632012-1-chaoyong.he@corigine.com>", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "BYAPR02CA0044.namprd02.prod.outlook.com\n (2603:10b6:a03:54::21) To SJ0PR13MB5545.namprd13.prod.outlook.com\n (2603:10b6:a03:424::5)", "MIME-Version": "1.0", "X-MS-PublicTrafficType": "Email", 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", "X-OriginatorOrg": "corigine.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 17112ce8-843f-4e65-19a2-08dbdc35d263", "X-MS-Exchange-CrossTenant-AuthSource": "SJ0PR13MB5545.namprd13.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "03 Nov 2023 06:26:32.7028 (UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "fe128f2c-073b-4c20-818e-7246a585940c", "X-MS-Exchange-CrossTenant-MailboxType": "HOSTED", "X-MS-Exchange-CrossTenant-UserPrincipalName": "\n lQFmzsKKy61ZFtDsTDL7T9g8OywuApPqtG40MuhB/CEJY6gOcL3kI65NNsPmKb6liSkDs/4tWdk5aABZyLpEQTyvDSW4Bp1IiEVq9LPjreQ=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MN2PR13MB4102", "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": "Add the structures and functions to process flow table, which is used in\nthe rte_flow offload logics.\nThis module is used for the CoreNIC firmware.\n\nSigned-off-by: Chaoyong He <chaoyong.he@corigine.com>\nReviewed-by: Long Wu <long.wu@corigine.com>\nReviewed-by: Peng Zhang <peng.zhang@corigine.com>\n---\n drivers/common/nfp/nfp_common_ctrl.h | 1 +\n drivers/net/nfp/meson.build | 1 +\n drivers/net/nfp/nfp_ethdev.c | 26 +++--\n drivers/net/nfp/nfp_net_common.h | 11 ++\n drivers/net/nfp/nfp_net_flow.c | 162 +++++++++++++++++++++++++++\n drivers/net/nfp/nfp_net_flow.h | 28 +++++\n 6 files changed, 222 insertions(+), 7 deletions(-)\n create mode 100644 drivers/net/nfp/nfp_net_flow.c\n create mode 100644 drivers/net/nfp/nfp_net_flow.h", "diff": "diff --git a/drivers/common/nfp/nfp_common_ctrl.h b/drivers/common/nfp/nfp_common_ctrl.h\nindex d09fd2b892..cbde987736 100644\n--- a/drivers/common/nfp/nfp_common_ctrl.h\n+++ b/drivers/common/nfp/nfp_common_ctrl.h\n@@ -223,6 +223,7 @@ struct nfp_net_fw_ver {\n #define NFP_NET_CFG_CTRL_IPSEC_SM_LOOKUP (0x1 << 3) /**< SA short match lookup */\n #define NFP_NET_CFG_CTRL_IPSEC_LM_LOOKUP (0x1 << 4) /**< SA long match lookup */\n #define NFP_NET_CFG_CTRL_MULTI_PF (0x1 << 5)\n+#define NFP_NET_CFG_CTRL_FLOW_STEER (0x1 << 8) /**< Flow Steering */\n #define NFP_NET_CFG_CTRL_IN_ORDER (0x1 << 11) /**< Virtio in-order flag */\n \n #define NFP_NET_CFG_CAP_WORD1 0x00a4\ndiff --git a/drivers/net/nfp/meson.build b/drivers/net/nfp/meson.build\nindex 8407073af8..0d0a0bd8f4 100644\n--- a/drivers/net/nfp/meson.build\n+++ b/drivers/net/nfp/meson.build\n@@ -36,6 +36,7 @@ sources = files(\n 'nfp_mtr.c',\n 'nfp_net_common.c',\n 'nfp_net_ctrl.c',\n+ 'nfp_net_flow.c',\n 'nfp_rxtx.c',\n )\n \ndiff --git a/drivers/net/nfp/nfp_ethdev.c b/drivers/net/nfp/nfp_ethdev.c\nindex f02caf8056..af5e5d333a 100644\n--- a/drivers/net/nfp/nfp_ethdev.c\n+++ b/drivers/net/nfp/nfp_ethdev.c\n@@ -23,6 +23,7 @@\n #include \"nfp_cpp_bridge.h\"\n #include \"nfp_ipsec.h\"\n #include \"nfp_logs.h\"\n+#include \"nfp_net_flow.h\"\n \n #define NFP_PF_DRIVER_NAME net_nfp_pf\n \n@@ -150,6 +151,10 @@ nfp_net_start(struct rte_eth_dev *dev)\n \t\tctrl_extend |= NFP_NET_CFG_CTRL_IPSEC_SM_LOOKUP\n \t\t\t\t| NFP_NET_CFG_CTRL_IPSEC_LM_LOOKUP;\n \n+\t/* Enable flow steer by extend ctrl word1. */\n+\tif ((cap_extend & NFP_NET_CFG_CTRL_FLOW_STEER) != 0)\n+\t\tctrl_extend |= NFP_NET_CFG_CTRL_FLOW_STEER;\n+\n \tupdate = NFP_NET_CFG_UPDATE_GEN;\n \tif (nfp_ext_reconfig(hw, ctrl_extend, update) != 0)\n \t\treturn -EIO;\n@@ -692,6 +697,14 @@ nfp_net_init(struct rte_eth_dev *eth_dev)\n \t/* Recording current stats counters values */\n \tnfp_net_stats_reset(eth_dev);\n \n+\tif ((hw->cap_ext & NFP_NET_CFG_CTRL_FLOW_STEER) != 0) {\n+\t\terr = nfp_net_flow_priv_init(pf_dev, port);\n+\t\tif (err != 0) {\n+\t\t\tPMD_INIT_LOG(ERR, \"Init net flow priv failed\");\n+\t\t\treturn err;\n+\t\t}\n+\t}\n+\n \treturn 0;\n }\n \n@@ -1115,14 +1128,13 @@ nfp_init_app_fw_nic(struct nfp_pf_dev *pf_dev,\n port_cleanup:\n \tfor (i = 0; i < app_fw_nic->total_phyports; i++) {\n \t\tid = nfp_function_id_get(pf_dev, i);\n+\t\thw = app_fw_nic->ports[id];\n \n-\t\tif (app_fw_nic->ports[id] != NULL &&\n-\t\t\t\tapp_fw_nic->ports[id]->eth_dev != NULL) {\n-\t\t\tstruct rte_eth_dev *tmp_dev;\n-\t\t\ttmp_dev = app_fw_nic->ports[id]->eth_dev;\n-\t\t\tnfp_ipsec_uninit(tmp_dev);\n-\t\t\trte_eth_dev_release_port(tmp_dev);\n-\t\t\tapp_fw_nic->ports[id] = NULL;\n+\t\tif (hw != NULL && hw->eth_dev != NULL) {\n+\t\t\tnfp_ipsec_uninit(hw->eth_dev);\n+\t\t\tif ((hw->super.cap_ext & NFP_NET_CFG_CTRL_FLOW_STEER) != 0)\n+\t\t\t\tnfp_net_flow_priv_uninit(pf_dev, id);\n+\t\t\trte_eth_dev_release_port(hw->eth_dev);\n \t\t}\n \t}\n \tnfp_cpp_area_free(pf_dev->ctrl_area);\ndiff --git a/drivers/net/nfp/nfp_net_common.h b/drivers/net/nfp/nfp_net_common.h\nindex 30fea7ae02..48791af93a 100644\n--- a/drivers/net/nfp/nfp_net_common.h\n+++ b/drivers/net/nfp/nfp_net_common.h\n@@ -108,6 +108,14 @@ struct nfp_pf_dev {\n \tstruct nfp_multi_pf multi_pf;\n };\n \n+#define NFP_NET_FLOW_LIMIT 1024\n+\n+struct nfp_net_priv {\n+\tuint32_t hash_seed; /**< Hash seed for hash tables in this structure. */\n+\tstruct rte_hash *flow_table; /**< Hash table to store flow rules. */\n+\tuint16_t flow_count; /**< Flow count in hash table */\n+};\n+\n struct nfp_app_fw_nic {\n \t/** Backpointer to the PF device */\n \tstruct nfp_pf_dev *pf_dev;\n@@ -177,6 +185,9 @@ struct nfp_net_hw {\n \tstruct nfp_net_tlv_caps tlv_caps;\n \n \tstruct nfp_net_ipsec_data *ipsec_data;\n+\n+\t/** Used for rte_flow of CoreNIC firmware */\n+\tstruct nfp_net_priv *priv;\n };\n \n static inline uint32_t\ndiff --git a/drivers/net/nfp/nfp_net_flow.c b/drivers/net/nfp/nfp_net_flow.c\nnew file mode 100644\nindex 0000000000..6c02b0f82e\n--- /dev/null\n+++ b/drivers/net/nfp/nfp_net_flow.c\n@@ -0,0 +1,162 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright (c) 2023 Corigine, Inc.\n+ * All rights reserved.\n+ */\n+\n+#include \"nfp_net_flow.h\"\n+\n+#include <rte_flow_driver.h>\n+#include <rte_hash.h>\n+#include <rte_jhash.h>\n+#include <rte_malloc.h>\n+\n+#include \"nfp_logs.h\"\n+\n+__rte_unused static int\n+nfp_net_flow_table_add(struct nfp_net_priv *priv,\n+\t\tstruct rte_flow *nfp_flow)\n+{\n+\tint ret;\n+\n+\tret = rte_hash_add_key_data(priv->flow_table, &nfp_flow->hash_key, nfp_flow);\n+\tif (ret != 0) {\n+\t\tPMD_DRV_LOG(ERR, \"Add to flow table failed.\");\n+\t\treturn ret;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+__rte_unused static int\n+nfp_net_flow_table_delete(struct nfp_net_priv *priv,\n+\t\tstruct rte_flow *nfp_flow)\n+{\n+\tint ret;\n+\n+\tret = rte_hash_del_key(priv->flow_table, &nfp_flow->hash_key);\n+\tif (ret < 0) {\n+\t\tPMD_DRV_LOG(ERR, \"Delete from flow table failed.\");\n+\t\treturn ret;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+__rte_unused static struct rte_flow *\n+nfp_net_flow_table_search(struct nfp_net_priv *priv,\n+\t\tstruct rte_flow *nfp_flow)\n+{\n+\tint index;\n+\tstruct rte_flow *flow_find;\n+\n+\tindex = rte_hash_lookup_data(priv->flow_table, &nfp_flow->hash_key,\n+\t\t\t(void **)&flow_find);\n+\tif (index < 0) {\n+\t\tPMD_DRV_LOG(DEBUG, \"Data NOT found in the flow table.\");\n+\t\treturn NULL;\n+\t}\n+\n+\treturn flow_find;\n+}\n+\n+__rte_unused static struct rte_flow *\n+nfp_net_flow_alloc(uint32_t match_len,\n+\t\tuint32_t action_len,\n+\t\tuint32_t port_id)\n+{\n+\tchar *data;\n+\tstruct rte_flow *nfp_flow;\n+\tstruct nfp_net_flow_payload *payload;\n+\n+\tnfp_flow = rte_zmalloc(\"nfp_flow\", sizeof(struct rte_flow), 0);\n+\tif (nfp_flow == NULL)\n+\t\treturn NULL;\n+\n+\tdata = rte_zmalloc(\"nfp_flow_payload\", match_len + action_len, 0);\n+\tif (data == NULL)\n+\t\tgoto free_flow;\n+\n+\tnfp_flow->port_id = port_id;\n+\tpayload = &nfp_flow->payload;\n+\tpayload->match_len = match_len;\n+\tpayload->action_len = action_len;\n+\tpayload->match_data = data;\n+\tpayload->action_data = data + match_len;\n+\n+\treturn nfp_flow;\n+\n+free_flow:\n+\trte_free(nfp_flow);\n+\n+\treturn NULL;\n+}\n+\n+__rte_unused static void\n+nfp_net_flow_free(struct rte_flow *nfp_flow)\n+{\n+\trte_free(nfp_flow->payload.match_data);\n+\trte_free(nfp_flow);\n+}\n+\n+int\n+nfp_net_flow_priv_init(struct nfp_pf_dev *pf_dev,\n+\t\tuint16_t port)\n+{\n+\tint ret = 0;\n+\tstruct nfp_net_priv *priv;\n+\tchar flow_name[RTE_HASH_NAMESIZE];\n+\tstruct nfp_app_fw_nic *app_fw_nic;\n+\tconst char *pci_name = strchr(pf_dev->pci_dev->name, ':') + 1;\n+\n+\tsnprintf(flow_name, sizeof(flow_name), \"%s_fl_%u\", pci_name, port);\n+\n+\tstruct rte_hash_parameters flow_hash_params = {\n+\t\t.name = flow_name,\n+\t\t.entries = NFP_NET_FLOW_LIMIT,\n+\t\t.hash_func = rte_jhash,\n+\t\t.socket_id = rte_socket_id(),\n+\t\t.key_len = sizeof(uint32_t),\n+\t\t.extra_flag = RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY,\n+\t};\n+\n+\tpriv = rte_zmalloc(\"nfp_app_nic_priv\", sizeof(struct nfp_net_priv), 0);\n+\tif (priv == NULL) {\n+\t\tPMD_INIT_LOG(ERR, \"NFP app nic priv creation failed\");\n+\t\tret = -ENOMEM;\n+\t\tgoto exit;\n+\t}\n+\n+\tapp_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv);\n+\tapp_fw_nic->ports[port]->priv = priv;\n+\tpriv->hash_seed = (uint32_t)rte_rand();\n+\n+\t/* Flow table */\n+\tflow_hash_params.hash_func_init_val = priv->hash_seed;\n+\tpriv->flow_table = rte_hash_create(&flow_hash_params);\n+\tif (priv->flow_table == NULL) {\n+\t\tPMD_INIT_LOG(ERR, \"flow hash table creation failed\");\n+\t\tret = -ENOMEM;\n+\t\tgoto free_priv;\n+\t}\n+\n+\treturn 0;\n+\n+free_priv:\n+\trte_free(priv);\n+exit:\n+\treturn ret;\n+}\n+\n+void\n+nfp_net_flow_priv_uninit(struct nfp_pf_dev *pf_dev,\n+\t\tuint16_t port)\n+{\n+\tstruct nfp_net_priv *priv;\n+\tstruct nfp_app_fw_nic *app_fw_nic;\n+\n+\tapp_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv);\n+\tpriv = app_fw_nic->ports[port]->priv;\n+\n+\trte_hash_free(priv->flow_table);\n+\trte_free(priv);\n+}\ndiff --git a/drivers/net/nfp/nfp_net_flow.h b/drivers/net/nfp/nfp_net_flow.h\nnew file mode 100644\nindex 0000000000..5ec80ba3b6\n--- /dev/null\n+++ b/drivers/net/nfp/nfp_net_flow.h\n@@ -0,0 +1,28 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright (c) 2023 Corigine, Inc.\n+ * All rights reserved.\n+ */\n+\n+#ifndef __NFP_NET_FLOW_H__\n+#define __NFP_NET_FLOW_H__\n+\n+#include \"nfp_net_common.h\"\n+\n+struct nfp_net_flow_payload {\n+\tuint16_t cmsg_type;\n+\tuint8_t match_len;\n+\tuint8_t action_len;\n+\tchar *match_data;\n+\tchar *action_data;\n+};\n+\n+struct rte_flow {\n+\tstruct nfp_net_flow_payload payload;\n+\tuint32_t hash_key;\n+\tuint32_t port_id;\n+};\n+\n+int nfp_net_flow_priv_init(struct nfp_pf_dev *pf_dev, uint16_t port);\n+void nfp_net_flow_priv_uninit(struct nfp_pf_dev *pf_dev, uint16_t port);\n+\n+#endif /* __NFP_NET_FLOW_H__ */\n", "prefixes": [ "02/11" ] }