[PATCH v3 1/4] app/testpmd: remove restrict of number of TCs in DCB command

[Chengwen Feng <fengchengwen@huawei.com>]

Currently, the "port config 0 dcb ..." command only supports 4 or 8
TCs. Other number of TCs may be used in actual applications.

This commit removes this restriction.

Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
---
 app/test-pmd/cmdline.c                      | 4 ++--
 doc/guides/testpmd_app_ug/testpmd_funcs.rst | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index b4089d281b..44fae89821 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -3472,9 +3472,9 @@ cmd_config_dcb_parsed(void *parsed_result,
 		return;
 	}
 
-	if ((res->num_tcs != RTE_ETH_4_TCS) && (res->num_tcs != RTE_ETH_8_TCS)) {
+	if (res->num_tcs <= 1 || res->num_tcs > RTE_ETH_8_TCS) {
 		fprintf(stderr,
-			"The invalid number of traffic class, only 4 or 8 allowed.\n");
+			"The invalid number of traffic class, only 2~8 allowed.\n");
 		return;
 	}
 
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index eeef49500f..38bc00705f 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -2167,7 +2167,7 @@ Set the DCB mode for an individual port::
 
    testpmd> port config (port_id) dcb vt (on|off) (traffic_class) pfc (on|off)
 
-The traffic class should be 4 or 8.
+The traffic class could be 2~8.
 
 port config - Burst
 ~~~~~~~~~~~~~~~~~~~
-- 
2.17.1