* [PATCH 2/2] app/testpmd: support show DCB config
2025-11-25 3:41 [PATCH 0/2] add two enhance for DCB Chengwen Feng
2025-11-25 3:41 ` [PATCH 1/2] app/testpmd: support multi-cores process one TC help Chengwen Feng
@ 2025-11-25 3:41 ` Chengwen Feng
1 sibling, 0 replies; 3+ messages in thread
From: Chengwen Feng @ 2025-11-25 3:41 UTC (permalink / raw)
To: thomas, stephen; +Cc: dev, aman.deep.singh
Add command 'show config dcbfwd' which show DCB configuration.
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
---
app/test-pmd/cmdline.c | 22 ++++++++++++++++++---
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 4 +++-
2 files changed, 22 insertions(+), 4 deletions(-)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index e701cd7ec4..d90c97a161 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -195,7 +195,7 @@ static void cmd_help_long_parsed(void *parsed_result,
"show (rxq|txq) info (port_id) (queue_id)\n"
" Display information for configured RX/TX queue.\n\n"
- "show config (rxtx|cores|fwd|rxoffs|rxpkts|rxhdrs|txpkts)\n"
+ "show config (rxtx|cores|fwd|dcbfwd|rxoffs|rxpkts|rxhdrs|txpkts|txtimes)\n"
" Display the given configuration.\n\n"
"read rxd (port_id) (queue_id) (rxd_id)\n"
@@ -7364,6 +7364,20 @@ struct cmd_showcfg_result {
cmdline_fixed_string_t what;
};
+static void show_dcb_fwd_config(void)
+{
+ uint8_t i;
+
+ printf("DCB forwarding config:\n");
+ printf(" Enabled TC list:");
+ for (i = 0; i < RTE_ETH_8_TCS; i++) {
+ if (dcb_fwd_tc_mask & (1u << i))
+ printf(" %d", i);
+ }
+ printf("\n");
+ printf(" Cores-per-TC: %u\n", dcb_fwd_tc_cores);
+}
+
static void cmd_showcfg_parsed(void *parsed_result,
__rte_unused struct cmdline *cl,
__rte_unused void *data)
@@ -7375,6 +7389,8 @@ static void cmd_showcfg_parsed(void *parsed_result,
fwd_lcores_config_display();
else if (!strcmp(res->what, "fwd"))
pkt_fwd_config_display(&cur_fwd_config);
+ else if (!strcmp(res->what, "dcbfwd"))
+ show_dcb_fwd_config();
else if (!strcmp(res->what, "rxoffs"))
show_rx_pkt_offsets();
else if (!strcmp(res->what, "rxpkts"))
@@ -7393,12 +7409,12 @@ static cmdline_parse_token_string_t cmd_showcfg_port =
TOKEN_STRING_INITIALIZER(struct cmd_showcfg_result, cfg, "config");
static cmdline_parse_token_string_t cmd_showcfg_what =
TOKEN_STRING_INITIALIZER(struct cmd_showcfg_result, what,
- "rxtx#cores#fwd#rxoffs#rxpkts#rxhdrs#txpkts#txtimes");
+ "rxtx#cores#fwd#dcbfwd#rxoffs#rxpkts#rxhdrs#txpkts#txtimes");
static cmdline_parse_inst_t cmd_showcfg = {
.f = cmd_showcfg_parsed,
.data = NULL,
- .help_str = "show config rxtx|cores|fwd|rxoffs|rxpkts|rxhdrs|txpkts|txtimes",
+ .help_str = "show config rxtx|cores|fwd|dcbfwd|rxoffs|rxpkts|rxhdrs|txpkts|txtimes",
.tokens = {
(void *)&cmd_showcfg_show,
(void *)&cmd_showcfg_port,
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 62bb167d56..d20c603cef 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -297,7 +297,7 @@ show config
Displays the configuration of the application.
The configuration comes from the command-line, the runtime or the application defaults::
- testpmd> show config (rxtx|cores|fwd|rxoffs|rxpkts|rxhdrs|txpkts|txtimes)
+ testpmd> show config (rxtx|cores|fwd|dcbfwd|rxoffs|rxpkts|rxhdrs|txpkts|txtimes)
The available information categories are:
@@ -307,6 +307,8 @@ The available information categories are:
* ``fwd``: Packet forwarding configuration.
+* ``dcbfwd``: DCB forwarding configuration.
+
* ``rxoffs``: Packet offsets for RX split.
* ``rxpkts``: Packets to RX length-based split configuration.
--
2.17.1
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