net/bnxt: check for invalid vNIC id

Passing an invalid fw_vnic_id to the firmware will cause the
bnxt_hwrm_vnic_plcmode_cfg command to fail.
Add a check for VNIC id before sending message to firmware.

Fixes: daef48efe5e5 ("net/bnxt: support set MTU")
Cc: stable@dpdk.org
Signed-off-by: Jay Ding <jay.ding@broadcom.com>
Reviewed-by: Randy Schacher <stuart.schacher@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 64687a6..910129f 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -1560,6 +1560,11 @@ int bnxt_hwrm_vnic_plcmode_cfg(struct bnxt *bp,
        struct hwrm_vnic_plcmodes_cfg_output *resp = bp->hwrm_cmd_resp_addr;
        uint16_t size;
 
+       if (vnic->fw_vnic_id == INVALID_HW_RING_ID) {
+               PMD_DRV_LOG(DEBUG, "VNIC ID %x\n", vnic->fw_vnic_id);
+               return rc;
+       }
+
        HWRM_PREP(req, VNIC_PLCMODES_CFG);
 
        req.flags = rte_cpu_to_le_32(