[dpdk-dev] [PATCH v3] app/testpmd: support the query of link flow ctrl info
Min Hu (Connor)
humin29 at huawei.com
Wed Apr 21 11:41:31 CEST 2021
From: Huisong Li <lihuisong at huawei.com>
This patch supports the query of the link flow control parameter
on a port.
The command format is as follows:
show port <port_id> flow_ctrl
Signed-off-by: Huisong Li <lihuisong at huawei.com>
Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
v3:
* fixed the print format of link flow ctrl, and removes redundant
port number verification.
v2:
* fixed logging.
---
app/test-pmd/cmdline.c | 78 +++++++++++++++++++++++++++++
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 7 +++
2 files changed, 85 insertions(+)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index d282c7c..08da2b1 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -258,6 +258,9 @@ static void cmd_help_long_parsed(void *parsed_result,
"show port (port_id) fec_mode"
" Show fec mode of a port.\n\n"
+
+ "show port <port_id> flow_ctrl"
+ " Show flow control info of a port.\n\n"
);
}
@@ -6863,6 +6866,80 @@ cmdline_parse_inst_t cmd_set_allmulti_mode_one = {
},
};
+/* *** GET CURRENT ETHERNET LINK FLOW CONTROL *** */
+struct cmd_link_flow_ctrl_show {
+ cmdline_fixed_string_t show;
+ cmdline_fixed_string_t port;
+ portid_t port_id;
+ cmdline_fixed_string_t flow_ctrl;
+};
+
+cmdline_parse_token_string_t cmd_lfc_show_show =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_flow_ctrl_show,
+ show, "show");
+cmdline_parse_token_string_t cmd_lfc_show_port =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_flow_ctrl_show,
+ port, "port");
+cmdline_parse_token_num_t cmd_lfc_show_portid =
+ TOKEN_NUM_INITIALIZER(struct cmd_link_flow_ctrl_show,
+ port_id, RTE_UINT16);
+cmdline_parse_token_string_t cmd_lfc_show_flow_ctrl =
+ TOKEN_STRING_INITIALIZER(struct cmd_link_flow_ctrl_show,
+ flow_ctrl, "flow_ctrl");
+
+static void
+cmd_link_flow_ctrl_show_parsed(void *parsed_result,
+ __rte_unused struct cmdline *cl,
+ __rte_unused void *data)
+{
+ struct cmd_link_flow_ctrl_show *res = parsed_result;
+ static const char *info_border = "*********************";
+ struct rte_eth_fc_conf fc_conf;
+ bool rx_fc_en = false;
+ bool tx_fc_en = false;
+ int ret;
+
+ ret = rte_eth_dev_flow_ctrl_get(res->port_id, &fc_conf);
+ if (ret != 0) {
+ printf("Failed to get current flow ctrl information: err = %d\n",
+ ret);
+ return;
+ }
+
+ if (fc_conf.mode == RTE_FC_RX_PAUSE || fc_conf.mode == RTE_FC_FULL)
+ rx_fc_en = true;
+ if (fc_conf.mode == RTE_FC_TX_PAUSE || fc_conf.mode == RTE_FC_FULL)
+ tx_fc_en = true;
+
+ printf("\n%s Flow control infos for port %-2d %s\n",
+ info_border, res->port_id, info_border);
+ printf("FC mode:\n");
+ printf(" Rx pause: %s\n", rx_fc_en ? "on" : "off");
+ printf(" Tx pause: %s\n", tx_fc_en ? "on" : "off");
+ printf("Autoneg: %s\n", fc_conf.autoneg ? "on" : "off");
+ printf("Pause time: 0x%x\n", fc_conf.pause_time);
+ printf("High waterline: 0x%x\n", fc_conf.high_water);
+ printf("Low waterline: 0x%x\n", fc_conf.low_water);
+ printf("Send XON: %s\n", fc_conf.send_xon ? "on" : "off");
+ printf("Forward MAC control frames: %s\n",
+ fc_conf.mac_ctrl_frame_fwd ? "on" : "off");
+ printf("\n%s************** End ***********%s\n",
+ info_border, info_border);
+}
+
+cmdline_parse_inst_t cmd_link_flow_control_show = {
+ .f = cmd_link_flow_ctrl_show_parsed,
+ .data = NULL,
+ .help_str = "show port <port_id> flow_ctrl",
+ .tokens = {
+ (void *)&cmd_lfc_show_show,
+ (void *)&cmd_lfc_show_port,
+ (void *)&cmd_lfc_show_portid,
+ (void *)&cmd_lfc_show_flow_ctrl,
+ NULL,
+ },
+};
+
/* *** SETUP ETHERNET LINK FLOW CONTROL *** */
struct cmd_link_flow_ctrl_set_result {
cmdline_fixed_string_t set;
@@ -17354,6 +17431,7 @@ cmdline_parse_ctx_t main_ctx[] = {
(cmdline_parse_inst_t *)&cmd_link_flow_control_set_xon,
(cmdline_parse_inst_t *)&cmd_link_flow_control_set_macfwd,
(cmdline_parse_inst_t *)&cmd_link_flow_control_set_autoneg,
+ (cmdline_parse_inst_t *)&cmd_link_flow_control_show,
(cmdline_parse_inst_t *)&cmd_priority_flow_control_set,
(cmdline_parse_inst_t *)&cmd_config_dcb,
(cmdline_parse_inst_t *)&cmd_read_reg,
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index c0cbc40..5dd98c2 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -1524,6 +1524,13 @@ Where:
* ``autoneg``: Change the auto-negotiation parameter.
+show flow ctrl
+~~~~~~~~~~~~~~
+
+show the link flow control parameter on a port::
+
+ testpmd> show port <port_id> flow_ctrl
+
set pfc_ctrl rx
~~~~~~~~~~~~~~~
--
2.7.4
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