[dpdk-dev] [PATCH V2 4/7] app/testpmd: add check for support of reporting DCB info
Huisong Li
lihuisong at huawei.com
Tue Apr 20 09:32:03 CEST 2021
Currently, '.get_dcb_info' must be supported for the port doing DCB test,
or all information in 'rte_eth_dcb_info' are zero. It should be prevented
when user run cmd "port config 0 dcb vt off 4 pfc off".
This patch adds the check for support of reporting dcb info.
Signed-off-by: Huisong Li <lihuisong at huawei.com>
Signed-off-by: Lijun Ou <oulijun at huawei.com>
---
app/test-pmd/cmdline.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index d282c7c..6f4f642 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -3170,6 +3170,7 @@ cmd_config_dcb_parsed(void *parsed_result,
__rte_unused void *data)
{
struct cmd_config_dcb *res = parsed_result;
+ struct rte_eth_dcb_info dcb_info;
portid_t port_id = res->port_id;
struct rte_port *port;
uint8_t pfc_en;
@@ -3192,6 +3193,14 @@ cmd_config_dcb_parsed(void *parsed_result,
printf("nb_cores shouldn't be less than number of TCs.\n");
return;
}
+
+ /* Check whether the port supports the report of DCB info. */
+ ret = rte_eth_dev_get_dcb_info(port_id, &dcb_info);
+ if (ret == -ENOTSUP) {
+ printf("Network port must support rte_eth_dev_get_dcb_info API, or cann't does dcb test.\n");
+ return;
+ }
+
if (!strncmp(res->pfc_en, "on", 2))
pfc_en = 1;
else
--
2.7.4
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