app/testpmd: fix uninitialized members when setting PFC

Only a part of members in the local structure variable named pfc_conf
are initialized in the function named cmd_priority_flow_ctrl_set_parsed
when typing "set pfc_ctrl..." command, and others are random values.
However, those uninitialized members may cause failure.

This patch adds clearing zero operation before calling the API named
rte_eth_dev_priority_flow_ctrl_set API with pfc_conf as the input
parameter.

Fixes: 9b53e542e9e1 ("app/testpmd: add priority flow control")
Cc: stable@dpdk.org
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Xuan Li <lixuan47@hisilicon.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 06672fd..de7a695 100644 (file)
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -7089,6 +7089,7 @@ cmd_priority_flow_ctrl_set_parsed(void *parsed_result,
                {RTE_FC_NONE, RTE_FC_TX_PAUSE}, {RTE_FC_RX_PAUSE, RTE_FC_FULL}
        };
 
+       memset(&pfc_conf, 0, sizeof(struct rte_eth_pfc_conf));
        rx_fc_enable = (!strncmp(res->rx_pfc_mode, "on",2)) ? 1 : 0;
        tx_fc_enable = (!strncmp(res->tx_pfc_mode, "on",2)) ? 1 : 0;
        pfc_conf.fc.mode       = rx_tx_onoff_2_pfc_mode[rx_fc_enable][tx_fc_enable];