[dpdk-dev] [PATCH] net/i40e: fix wrong return value when handling PF message

[Wenzhuo Lu]

When VF receives a message from PF, it should check the return
value. But in i40evf_execute_vf_cmd the value is ignored and not
returned to the caller.

Fixes: 95cd21f45d1b ("i40evf: allocate virtchnl commands buffer per VF")

Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
---
 drivers/net/i40e/i40e_ethdev.h    | 2 +-
 drivers/net/i40e/i40e_ethdev_vf.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 298cef4..28111a7 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -527,7 +527,7 @@ struct i40e_vf {
        enum i40e_aq_link_speed link_speed;
        bool vf_reset;
        volatile uint32_t pend_cmd; /* pending command not finished yet */
-       uint32_t cmd_retval; /* return value of the cmd response from PF */
+       int32_t cmd_retval; /* return value of the cmd response from PF */
        u16 pend_msg; /* flags indicates events from pf not handled yet */
        uint8_t *aq_resp; /* buffer to store the adminq response from PF */
 
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c 
b/drivers/net/i40e/i40e_ethdev_vf.c
index 12da0ec..5d25764 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -361,6 +361,7 @@ struct rte_i40evf_xstats_name_off {
                err = -1;
                do {
                        ret = i40evf_read_pfmsg(dev, &info);
+                       vf->cmd_retval = info.result;
                        if (ret == I40EVF_MSG_CMD) {
                                err = 0;
                                break;
-- 
1.9.3