From: Lijun Ou <oulijun@huawei.com> To: <ferruh.yigit@intel.com> Cc: <xiaoyun.li@intel.com>, <dev@dpdk.org>, <linuxarm@openeuler.org> Subject: [dpdk-dev] [PATCH V2] app/testpmd: support Tx mbuf free on demand cmd Date: Fri, 5 Mar 2021 17:57:32 +0800 Message-ID: <1614938252-62955-1-git-send-email-oulijun@huawei.com> (raw) In-Reply-To: <1614929583-37727-1-git-send-email-oulijun@huawei.com> From: Chengwen Feng <fengchengwen@huawei.com> This patch support tx_done_cleanup command: tx_done_cleanup port (port_id) (queue_id) (free_cnt) Users must make sure there are no concurrent access to the same Tx queue (like rte_eth_tx_burst, rte_eth_dev_tx_queue_stop and so on) this command executed. Signed-off-by: Chengwen Feng <fengchengwen@huawei.com> Signed-off-by: Lijun Ou <oulijun@huawei.com> --- V1->V2: - use Tx instead of TX - add note in doc --- app/test-pmd/cmdline.c | 91 +++++++++++++++++++++++++++++ doc/guides/rel_notes/release_21_05.rst | 2 + doc/guides/testpmd_app_ug/testpmd_funcs.rst | 11 ++++ 3 files changed, 104 insertions(+) diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index 14110eb..4df0c32 100644 --- a/app/test-pmd/cmdline.c +++ b/app/test-pmd/cmdline.c @@ -36,6 +36,7 @@ #include <rte_pci.h> #include <rte_ether.h> #include <rte_ethdev.h> +#include <rte_ethdev_driver.h> #include <rte_string_fns.h> #include <rte_devargs.h> #include <rte_flow.h> @@ -675,6 +676,9 @@ static void cmd_help_long_parsed(void *parsed_result, "set port (port_id) ptype_mask (ptype_mask)\n" " set packet types classification for a specific port\n\n" + "tx_done_cleanup (port_id) (queue_id) (free_cnt)\n" + " Cleanup a Tx queue's mbuf on a port\n\n" + "set port (port_id) queue-region region_id (value) " "queue_start_index (value) queue_num (value)\n" " Set a queue region on a port\n\n" @@ -16910,6 +16914,92 @@ cmdline_parse_inst_t cmd_showport_macs = { }, }; +/* *** tx_done_cleanup *** */ +struct cmd_tx_done_cleanup_result { + cmdline_fixed_string_t clean; + cmdline_fixed_string_t port; + uint16_t port_id; + uint16_t queue_id; + uint32_t free_cnt; +}; + +static void +cmd_tx_done_cleanup_parsed(void *parsed_result, + __rte_unused struct cmdline *cl, + __rte_unused void *data) +{ + struct cmd_tx_done_cleanup_result *res = parsed_result; + struct rte_eth_dev *dev; + uint16_t port_id = res->port_id; + uint16_t queue_id = res->queue_id; + uint32_t free_cnt = res->free_cnt; + int ret; + + if (!rte_eth_dev_is_valid_port(port_id)) { + printf("Invalid port_id %u\n", port_id); + return; + } + + dev = &rte_eth_devices[port_id]; + if (queue_id >= dev->data->nb_tx_queues) { + printf("Invalid Tx queue_id %u\n", queue_id); + return; + } + + if (dev->data->tx_queue_state[queue_id] != + RTE_ETH_QUEUE_STATE_STARTED) { + printf("Tx queue_id %u not started!\n", queue_id); + return; + } + + /* + * rte_eth_tx_done_cleanup is a dataplane API, user must make sure + * there are no concurrent access to the same Tx queue (like + * rte_eth_tx_burst, rte_eth_dev_tx_queue_stop and so on) when this API + * called. + */ + ret = rte_eth_tx_done_cleanup(port_id, queue_id, free_cnt); + if (ret < 0) { + printf("Failed to cleanup mbuf for port %u Tx queue %u " + "error desc: %s(%d)\n", + port_id, queue_id, strerror(-ret), ret); + return; + } + + printf("Cleanup port %u Tx queue %u mbuf nums: %u\n", + port_id, queue_id, ret); +} + +cmdline_parse_token_string_t cmd_tx_done_cleanup_clean = + TOKEN_STRING_INITIALIZER(struct cmd_tx_done_cleanup_result, clean, + "tx_done_cleanup"); +cmdline_parse_token_string_t cmd_tx_done_cleanup_port = + TOKEN_STRING_INITIALIZER(struct cmd_tx_done_cleanup_result, port, + "port"); +cmdline_parse_token_num_t cmd_tx_done_cleanup_port_id = + TOKEN_NUM_INITIALIZER(struct cmd_tx_done_cleanup_result, port_id, + UINT16); +cmdline_parse_token_num_t cmd_tx_done_cleanup_queue_id = + TOKEN_NUM_INITIALIZER(struct cmd_tx_done_cleanup_result, queue_id, + UINT16); +cmdline_parse_token_num_t cmd_tx_done_cleanup_free_cnt = + TOKEN_NUM_INITIALIZER(struct cmd_tx_done_cleanup_result, free_cnt, + UINT32); + +cmdline_parse_inst_t cmd_tx_done_cleanup = { + .f = cmd_tx_done_cleanup_parsed, + .data = NULL, + .help_str = "tx_done_cleanup port <port_id> <queue_id> <free_cnt>", + .tokens = { + (void *)&cmd_tx_done_cleanup_clean, + (void *)&cmd_tx_done_cleanup_port, + (void *)&cmd_tx_done_cleanup_port_id, + (void *)&cmd_tx_done_cleanup_queue_id, + (void *)&cmd_tx_done_cleanup_free_cnt, + NULL, + }, +}; + /* ******************************************************************************** */ /* list of instructions */ @@ -17035,6 +17125,7 @@ cmdline_parse_ctx_t main_ctx[] = { (cmdline_parse_inst_t *)&cmd_config_rss_reta, (cmdline_parse_inst_t *)&cmd_showport_reta, (cmdline_parse_inst_t *)&cmd_showport_macs, + (cmdline_parse_inst_t *)&cmd_tx_done_cleanup, (cmdline_parse_inst_t *)&cmd_config_burst, (cmdline_parse_inst_t *)&cmd_config_thresh, (cmdline_parse_inst_t *)&cmd_config_threshold, diff --git a/doc/guides/rel_notes/release_21_05.rst b/doc/guides/rel_notes/release_21_05.rst index 23f7f0b..8077573 100644 --- a/doc/guides/rel_notes/release_21_05.rst +++ b/doc/guides/rel_notes/release_21_05.rst @@ -69,6 +69,8 @@ New Features * Added command to display Rx queue used descriptor count. ``show port (port_id) rxq (queue_id) desc used count`` + * Added command to cleanup a Tx queue's mbuf on a port. + ``tx_done_cleanup port <port_id> <queue_id> <free_cnt>`` Removed Items diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst index f59eb8a..fa49e58 100644 --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst @@ -272,6 +272,17 @@ and ready to be processed by the driver on a given RX queue:: testpmd> show port (port_id) rxq (queue_id) desc used count +cleanup txq mbufs +~~~~~~~~~~~~~~~~~~~~~~~~ + +Request the driver to free mbufs currently cached by the driver for a given port's +Tx queue:: + testpmd> tx_done_cleanup port (port_id) (queue_id) (free_cnt) + +.. note:: + This command is dangerous, users must make sure there are no cucurrent access to + the same Tx queue (link rte_eth_tx_burst, rte_eth_dev_tx_queue_stop and so on). + show config ~~~~~~~~~~~ -- 2.7.4
next prev parent reply other threads:[~2021-03-05 9:56 UTC|newest] Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-05 7:33 [dpdk-dev] [PATCH] " Lijun Ou 2021-03-05 7:46 ` Li, Xiaoyun 2021-03-05 9:58 ` oulijun 2021-03-05 9:57 ` Lijun Ou [this message] 2021-03-08 17:33 ` [dpdk-dev] [PATCH V2] " Ferruh Yigit 2021-03-09 8:49 ` oulijun 2021-03-09 9:53 ` Ferruh Yigit 2021-03-09 9:57 ` Thomas Monjalon 2021-03-09 10:18 ` Andrew Rybchenko 2021-03-09 14:00 ` Aaron Conole 2021-03-09 14:13 ` Ferruh Yigit 2021-03-10 1:48 ` oulijun 2021-03-10 7:59 ` Thomas Monjalon 2021-03-12 10:29 ` [dpdk-dev] [Linuxarm] " oulijun 2021-03-12 11:21 ` Thomas Monjalon 2021-03-17 11:30 ` oulijun 2021-03-17 12:07 ` Thomas Monjalon 2021-03-18 3:56 ` oulijun 2021-03-18 7:51 ` Thomas Monjalon 2021-04-12 13:12 ` [dpdk-dev] [PATCH V3] " Lijun Ou 2021-04-19 3:11 ` Li, Xiaoyun 2021-04-19 12:40 ` oulijun 2021-04-19 14:56 ` Ferruh Yigit 2021-04-19 12:36 ` [dpdk-dev] [PATCH V4] " Lijun Ou 2021-04-19 15:28 ` Ferruh Yigit 2021-04-21 1:44 ` oulijun 2021-04-21 8:09 ` [dpdk-dev] [PATCH V5] app/test-pmd: support cleanup txq mbufs command Lijun Ou 2021-04-21 8:15 ` Ferruh Yigit 2021-04-21 8:32 ` oulijun 2021-04-21 8:45 ` [dpdk-dev] [PATCH V6] " Lijun Ou 2021-04-21 11:26 ` Ferruh Yigit
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1614938252-62955-1-git-send-email-oulijun@huawei.com \ --to=oulijun@huawei.com \ --cc=dev@dpdk.org \ --cc=ferruh.yigit@intel.com \ --cc=linuxarm@openeuler.org \ --cc=xiaoyun.li@intel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
DPDK patches and discussions This inbox may be cloned and mirrored by anyone: git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git # If you have public-inbox 1.1+ installed, you may # initialize and index your mirror using the following commands: public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \ dev@dpdk.org public-inbox-index dev Example config snippet for mirrors. Newsgroup available over NNTP: nntp://inbox.dpdk.org/inbox.dpdk.dev AGPL code for this site: git clone https://public-inbox.org/public-inbox.git