[dpdk-dev] [PATCH 1/4] app/testpmd: add queue deferred start switch
Andrew Rybchenko
arybchenko at solarflare.com
Wed Aug 29 09:16:03 CEST 2018
From: Ian Dolzhansky <Ian.Dolzhansky at oktetlabs.ru>
Signed-off-by: Ian Dolzhansky <Ian.Dolzhansky at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
app/test-pmd/cmdline.c | 91 ++++++++++++++++++++++++++
doc/guides/rel_notes/release_18_11.rst | 6 ++
2 files changed, 97 insertions(+)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 589121d69..f47ec99f1 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -883,6 +883,10 @@ static void cmd_help_long_parsed(void *parsed_result,
" Start/stop a rx/tx queue of port X. Only take effect"
" when port X is started\n\n"
+ "port (port_id) (rxq|txq) (queue_id) deferred_start (on|off)\n"
+ " Switch on/off a deferred start of port X rx/tx queue. Only"
+ " take effect when port X is stopped.\n\n"
+
"port (port_id) (rxq|txq) (queue_id) setup\n"
" Setup a rx/tx queue of port X.\n\n"
@@ -2441,6 +2445,92 @@ cmdline_parse_inst_t cmd_config_rxtx_queue = {
},
};
+/* *** configure port rxq/txq deferred start on/off *** */
+struct cmd_config_deferred_start_rxtx_queue {
+ cmdline_fixed_string_t port;
+ portid_t port_id;
+ cmdline_fixed_string_t rxtxq;
+ uint16_t qid;
+ cmdline_fixed_string_t opname;
+ cmdline_fixed_string_t state;
+};
+
+static void
+cmd_config_deferred_start_rxtx_queue_parsed(void *parsed_result,
+ __attribute__((unused)) struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ struct cmd_config_deferred_start_rxtx_queue *res = parsed_result;
+ struct rte_port *port;
+ uint8_t isrx;
+ uint8_t ison;
+ uint8_t needreconfig = 0;
+
+ if (port_id_is_invalid(res->port_id, ENABLED_WARN))
+ return;
+
+ if (port_is_started(res->port_id) != 0) {
+ printf("Please stop port %u first\n", res->port_id);
+ return;
+ }
+
+ port = &ports[res->port_id];
+
+ isrx = !strcmp(res->rxtxq, "rxq");
+
+ if (isrx && rx_queue_id_is_invalid(res->qid))
+ return;
+ else if (!isrx && tx_queue_id_is_invalid(res->qid))
+ return;
+
+ ison = !strcmp(res->state, "on");
+
+ if (isrx && port->rx_conf[res->qid].rx_deferred_start != ison) {
+ port->rx_conf[res->qid].rx_deferred_start = ison;
+ needreconfig = 1;
+ } else if (!isrx && port->tx_conf[res->qid].tx_deferred_start != ison) {
+ port->tx_conf[res->qid].tx_deferred_start = ison;
+ needreconfig = 1;
+ }
+
+ if (needreconfig)
+ cmd_reconfig_device_queue(res->port_id, 0, 1);
+}
+
+cmdline_parse_token_string_t cmd_config_deferred_start_rxtx_queue_port =
+ TOKEN_STRING_INITIALIZER(struct cmd_config_deferred_start_rxtx_queue,
+ port, "port");
+cmdline_parse_token_num_t cmd_config_deferred_start_rxtx_queue_port_id =
+ TOKEN_NUM_INITIALIZER(struct cmd_config_deferred_start_rxtx_queue,
+ port_id, UINT16);
+cmdline_parse_token_string_t cmd_config_deferred_start_rxtx_queue_rxtxq =
+ TOKEN_STRING_INITIALIZER(struct cmd_config_deferred_start_rxtx_queue,
+ rxtxq, "rxq#txq");
+cmdline_parse_token_num_t cmd_config_deferred_start_rxtx_queue_qid =
+ TOKEN_NUM_INITIALIZER(struct cmd_config_deferred_start_rxtx_queue,
+ qid, UINT16);
+cmdline_parse_token_string_t cmd_config_deferred_start_rxtx_queue_opname =
+ TOKEN_STRING_INITIALIZER(struct cmd_config_deferred_start_rxtx_queue,
+ opname, "deferred_start");
+cmdline_parse_token_string_t cmd_config_deferred_start_rxtx_queue_state =
+ TOKEN_STRING_INITIALIZER(struct cmd_config_deferred_start_rxtx_queue,
+ state, "on#off");
+
+cmdline_parse_inst_t cmd_config_deferred_start_rxtx_queue = {
+ .f = cmd_config_deferred_start_rxtx_queue_parsed,
+ .data = NULL,
+ .help_str = "port <port_id> rxq|txq <queue_id> deferred_start on|off",
+ .tokens = {
+ (void *)&cmd_config_deferred_start_rxtx_queue_port,
+ (void *)&cmd_config_deferred_start_rxtx_queue_port_id,
+ (void *)&cmd_config_deferred_start_rxtx_queue_rxtxq,
+ (void *)&cmd_config_deferred_start_rxtx_queue_qid,
+ (void *)&cmd_config_deferred_start_rxtx_queue_opname,
+ (void *)&cmd_config_deferred_start_rxtx_queue_state,
+ NULL,
+ },
+};
+
/* *** configure port rxq/txq setup *** */
struct cmd_setup_rxtx_queue {
cmdline_fixed_string_t port;
@@ -17711,6 +17801,7 @@ cmdline_parse_ctx_t main_ctx[] = {
(cmdline_parse_inst_t *)&cmd_config_rss,
(cmdline_parse_inst_t *)&cmd_config_rxtx_ring_size,
(cmdline_parse_inst_t *)&cmd_config_rxtx_queue,
+ (cmdline_parse_inst_t *)&cmd_config_deferred_start_rxtx_queue,
(cmdline_parse_inst_t *)&cmd_setup_rxtx_queue,
(cmdline_parse_inst_t *)&cmd_config_rss_reta,
(cmdline_parse_inst_t *)&cmd_showport_reta,
diff --git a/doc/guides/rel_notes/release_18_11.rst b/doc/guides/rel_notes/release_18_11.rst
index 24204e67b..1f17befd8 100644
--- a/doc/guides/rel_notes/release_18_11.rst
+++ b/doc/guides/rel_notes/release_18_11.rst
@@ -54,6 +54,12 @@ New Features
Also, make sure to start the actual text at the margin.
=========================================================
+* **Added ability to switch queue deferred start flag on testpmd app.**
+
+ Added a console command to testpmd app, giving ability to switch
+ ``rx_deferred_start`` or ``tx_deferred_start`` flag of the specified queue of
+ the specified port. The port must be stopped before the command call in order
+ to reconfigure queues.
API Changes
-----------
--
2.17.1
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