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GET /api/patches/105996/?format=api
{ "id": 105996, "url": "http://patchwork.dpdk.org/api/patches/105996/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20220118050802.3915187-9-akozyrev@nvidia.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": "<20220118050802.3915187-9-akozyrev@nvidia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20220118050802.3915187-9-akozyrev@nvidia.com", "date": "2022-01-18T05:08:00", "name": "[08/10] app/testpmd: implement rte flow queue drain", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "ffd9ed4cf1e016161abb5e734c7dff059b3c0b6a", "submitter": { "id": 1873, "url": "http://patchwork.dpdk.org/api/people/1873/?format=api", "name": "Alexander Kozyrev", "email": "akozyrev@nvidia.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/20220118050802.3915187-9-akozyrev@nvidia.com/mbox/", "series": [ { "id": 21222, "url": "http://patchwork.dpdk.org/api/series/21222/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=21222", "date": "2022-01-18T05:02:11", "name": "ethdev: datapath-focused flow rules management", "version": 1, "mbox": "http://patchwork.dpdk.org/series/21222/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/105996/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/105996/checks/", "tags": {}, "related": [], "headers": { "Return-Path": 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<qi.z.zhang@intel.com>,\n <jerinj@marvell.com>, <ajit.khaparde@broadcom.com>", "Subject": "[PATCH 08/10] app/testpmd: implement rte flow queue drain", "Date": "Tue, 18 Jan 2022 07:08:00 +0200", "Message-ID": "<20220118050802.3915187-9-akozyrev@nvidia.com>", "X-Mailer": "git-send-email 2.18.2", "In-Reply-To": "<20220118050802.3915187-6-akozyrev@nvidia.com>", "References": "<20220118050802.3915187-6-akozyrev@nvidia.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[10.126.230.35]", "X-ClientProxiedBy": "HQMAIL107.nvidia.com (172.20.187.13) To\n rnnvmail201.nvidia.com (10.129.68.8)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "35edd853-9f8c-4c36-f661-08d9da40afd5", "X-MS-TrafficTypeDiagnostic": "CH0PR12MB5138:EE_|BN6PR1201MB0227:EE_", "X-LD-Processed": "43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr,ExtAddr", "X-Microsoft-Antispam-PRVS": "\n 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"X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BN6PR1201MB0227", "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 testpmd support for the rte_flow_q_drain API.\nProvide the command line interface for the queue draining.\nUsage example: flow queue 0 drain 0\n\nSigned-off-by: Alexander Kozyrev <akozyrev@nvidia.com>\n---\n app/test-pmd/cmdline_flow.c | 56 ++++++++++++++++++++-\n app/test-pmd/config.c | 28 +++++++++++\n app/test-pmd/testpmd.h | 1 +\n doc/guides/testpmd_app_ug/testpmd_funcs.rst | 21 ++++++++\n 4 files changed, 105 insertions(+), 1 deletion(-)", "diff": "diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c\nindex 6a8e6fc683..e94c01cf75 100644\n--- a/app/test-pmd/cmdline_flow.c\n+++ b/app/test-pmd/cmdline_flow.c\n@@ -93,6 +93,7 @@ enum index {\n \tTUNNEL,\n \tFLEX,\n \tQUEUE,\n+\tDRAIN,\n \n \t/* Flex arguments */\n \tFLEX_ITEM_INIT,\n@@ -131,6 +132,9 @@ enum index {\n \tQUEUE_DESTROY_ID,\n \tQUEUE_DESTROY_DRAIN,\n \n+\t/* Drain arguments. */\n+\tDRAIN_QUEUE,\n+\n \t/* Table arguments. */\n \tTABLE_CREATE,\n \tTABLE_DESTROY,\n@@ -2155,6 +2159,9 @@ static int parse_qo(struct context *, const struct token *,\n static int parse_qo_destroy(struct context *, const struct token *,\n \t\t\t const char *, unsigned int,\n \t\t\t void *, unsigned int);\n+static int parse_drain(struct context *, const struct token *,\n+\t\t const char *, unsigned int,\n+\t\t void *, unsigned int);\n static int parse_tunnel(struct context *, const struct token *,\n \t\t\tconst char *, unsigned int,\n \t\t\tvoid *, unsigned int);\n@@ -2432,7 +2439,8 @@ static const struct token token_list[] = {\n \t\t\t ISOLATE,\n \t\t\t TUNNEL,\n \t\t\t FLEX,\n-\t\t\t QUEUE)),\n+\t\t\t QUEUE,\n+\t\t\t DRAIN)),\n \t\t.call = parse_init,\n \t},\n \t/* Top-level command. */\n@@ -2767,6 +2775,21 @@ static const struct token token_list[] = {\n \t\t.call = parse_qo_destroy,\n \t},\n \t/* Top-level command. */\n+\t[DRAIN] = {\n+\t\t.name = \"drain\",\n+\t\t.help = \"drain a flow queue\",\n+\t\t.next = NEXT(NEXT_ENTRY(DRAIN_QUEUE), NEXT_ENTRY(COMMON_PORT_ID)),\n+\t\t.args = ARGS(ARGS_ENTRY(struct buffer, port)),\n+\t\t.call = parse_drain,\n+\t},\n+\t/* Sub-level commands. */\n+\t[DRAIN_QUEUE] = {\n+\t\t.name = \"queue\",\n+\t\t.help = \"specify queue id\",\n+\t\t.next = NEXT(NEXT_ENTRY(END), NEXT_ENTRY(COMMON_QUEUE_ID)),\n+\t\t.args = ARGS(ARGS_ENTRY(struct buffer, queue)),\n+\t},\n+\t/* Top-level command. */\n \t[INDIRECT_ACTION] = {\n \t\t.name = \"indirect_action\",\n \t\t.type = \"{command} {port_id} [{arg} [...]]\",\n@@ -8385,6 +8408,34 @@ parse_qo_destroy(struct context *ctx, const struct token *token,\n \t}\n }\n \n+/** Parse tokens for drain queue command. */\n+static int\n+parse_drain(struct context *ctx, const struct token *token,\n+\t const char *str, unsigned int len,\n+\t void *buf, unsigned int size)\n+{\n+\tstruct buffer *out = buf;\n+\n+\t/* Token name must match. */\n+\tif (parse_default(ctx, token, str, len, NULL, 0) < 0)\n+\t\treturn -1;\n+\t/* Nothing else to do if there is no buffer. */\n+\tif (!out)\n+\t\treturn len;\n+\tif (!out->command) {\n+\t\tif (ctx->curr != DRAIN)\n+\t\t\treturn -1;\n+\t\tif (sizeof(*out) > size)\n+\t\t\treturn -1;\n+\t\tout->command = ctx->curr;\n+\t\tctx->objdata = 0;\n+\t\tctx->object = out;\n+\t\tctx->objmask = NULL;\n+\t\tout->args.vc.data = (uint8_t *)out + size;\n+\t}\n+\treturn len;\n+}\n+\n static int\n parse_flex(struct context *ctx, const struct token *token,\n \t const char *str, unsigned int len,\n@@ -9749,6 +9800,9 @@ cmd_flow_parsed(const struct buffer *in)\n \t\t\t\t\tin->args.destroy.rule_n,\n \t\t\t\t\tin->args.destroy.rule);\n \t\tbreak;\n+\tcase DRAIN:\n+\t\tport_queue_flow_drain(in->port, in->queue);\n+\t\tbreak;\n \tcase INDIRECT_ACTION_CREATE:\n \t\tport_action_handle_create(\n \t\t\t\tin->port, in->args.vc.attr.group,\ndiff --git a/app/test-pmd/config.c b/app/test-pmd/config.c\nindex 31164d6bf6..c6469dd06f 100644\n--- a/app/test-pmd/config.c\n+++ b/app/test-pmd/config.c\n@@ -2564,6 +2564,34 @@ port_queue_flow_destroy(portid_t port_id, queueid_t queue_id,\n \treturn ret;\n }\n \n+/** Drain all the queue operations down the queue. */\n+int\n+port_queue_flow_drain(portid_t port_id, queueid_t queue_id)\n+{\n+\tstruct rte_port *port;\n+\tstruct rte_flow_error error;\n+\tint ret = 0;\n+\n+\tif (port_id_is_invalid(port_id, ENABLED_WARN) ||\n+\t port_id == (portid_t)RTE_PORT_ALL)\n+\t\treturn -EINVAL;\n+\tport = &ports[port_id];\n+\n+\tif (queue_id >= port->queue_nb) {\n+\t\tprintf(\"Queue #%u is invalid\\n\", queue_id);\n+\t\treturn -EINVAL;\n+\t}\n+\n+\tmemset(&error, 0x55, sizeof(error));\n+\tret = rte_flow_q_drain(port_id, queue_id, &error);\n+\tif (ret < 0) {\n+\t\tprintf(\"Failed to drain queue\\n\");\n+\t\treturn -EINVAL;\n+\t}\n+\tprintf(\"Queue #%u drained\\n\", queue_id);\n+\treturn ret;\n+}\n+\n /** Create flow rule. */\n int\n port_flow_create(portid_t port_id,\ndiff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h\nindex 99845b9e2f..bf4597e7ba 100644\n--- a/app/test-pmd/testpmd.h\n+++ b/app/test-pmd/testpmd.h\n@@ -934,6 +934,7 @@ int port_queue_flow_create(portid_t port_id, queueid_t queue_id,\n \t\t\t const struct rte_flow_action *actions);\n int port_queue_flow_destroy(portid_t port_id, queueid_t queue_id,\n \t\t\t bool drain, uint32_t n, const uint32_t *rule);\n+int port_queue_flow_drain(portid_t port_id, queueid_t queue_id);\n int port_flow_validate(portid_t port_id,\n \t\t const struct rte_flow_attr *attr,\n \t\t const struct rte_flow_item *pattern,\ndiff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst\nindex eb9dff7221..2ff4e4aef1 100644\n--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst\n+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst\n@@ -3368,6 +3368,10 @@ following sections.\n flow queue {port_id} destroy {queue_id}\n [drain {boolean}] rule {rule_id} [...]\n \n+- Drain a queue::\n+\n+ flow drain {port_id} queue {queue_id}\n+\n - Create a flow rule::\n \n flow create {port_id}\n@@ -3561,6 +3565,23 @@ The usual error message is shown when a table cannot be destroyed::\n \n Caught error type [...] ([...]): [...]\n \n+Draining a flow queue\n+~~~~~~~~~~~~~~~~~~~~~\n+\n+``flow drain`` drains the specific queue to push all the\n+outstanding queued operations to the underlying device immediately.\n+It is bound to ``rte_flow_q_drain()``::\n+\n+ flow drain {port_id} queue {queue_id}\n+\n+If successful, it will show::\n+\n+ Queue #[...] drained\n+\n+The usual error message is shown when a queue cannot be drained::\n+\n+ Caught error type [...] ([...]): [...]\n+\n Creating a tunnel stub for offload\n ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n \n", "prefixes": [ "08/10" ] }