[dpdk-dev] [PATCH] net/ixgbe: output details on failure to configure filter

[Wei Dai]

Add more details when the filter mode can't be successfully configured.
These details tell user what filter configuration is right.

Reported-by: Yulong Pei <yulong....@intel.com>
Signed-off-by: Wei Dai <wei....@intel.com>
---
 drivers/net/ixgbe/ixgbe_fdir.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_fdir.c b/drivers/net/ixgbe/ixgbe_fdir.c
index 3b9d60c..98ff956 100644
--- a/drivers/net/ixgbe/ixgbe_fdir.c
+++ b/drivers/net/ixgbe/ixgbe_fdir.c
@@ -628,16 +628,25 @@ ixgbe_fdir_configure(struct rte_eth_dev *dev)
                hw->mac.type != ixgbe_mac_X540 &&
                hw->mac.type != ixgbe_mac_X550 &&
                hw->mac.type != ixgbe_mac_X550EM_x &&
-               hw->mac.type != ixgbe_mac_X550EM_a)
+               hw->mac.type != ixgbe_mac_X550EM_a) {
+               PMD_INIT_LOG(ERR, "Only when ixgbe MAC type is 82599EB or X540 
or X550 "
+                       "or X550EM_x or X550EM_a, a filter mode can be 
supported. "
+                       "Current MAC type = %d", (int)(hw->mac.type));
                return -ENOSYS;
+       }
 
        /* x550 supports mac-vlan and tunnel mode but other NICs not */
        if (hw->mac.type != ixgbe_mac_X550 &&
            hw->mac.type != ixgbe_mac_X550EM_x &&
            hw->mac.type != ixgbe_mac_X550EM_a &&
            mode != RTE_FDIR_MODE_SIGNATURE &&
-           mode != RTE_FDIR_MODE_PERFECT)
+           mode != RTE_FDIR_MODE_PERFECT) {
+               PMD_INIT_LOG(ERR, "If ixgbe MAC type is not X550 or X550EM_x or 
"
+                       "X550EM_a, the filter mode must be signature or 
perfect, other mode "
+                       "is not supported ! Current MAC type = %d filter mode = 
%d",
+                       (int)(hw->mac.type), (int)mode);
                return -ENOSYS;
+       }
 
        err = configure_fdir_flags(&dev->data->dev_conf.fdir_conf, &fdirctrl);
        if (err)
-- 
2.7.4