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app/testpmd: check DCB info support for configuration

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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@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Acked-by: Xiaoyun Li <xiaoyun.li@intel.com>
This commit is contained in:
Huisong Li 2021-04-28 14:40:43 +08:00 committed by Ferruh Yigit
parent 5cbbcbad65
commit cffb3d66a8
1 changed files with 9 additions and 0 deletions
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9
app/test-pmd/cmdline.c
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@ -3270,6 +3270,7 @@ 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;
@ -3292,6 +3293,14 @@ 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("rte_eth_dev_get_dcb_info not supported.\n");
return;
}
if (!strncmp(res->pfc_en, "on", 2))
pfc_en = 1;
else