bnx2: Always set ETH_FLAG_TXVLAN

TSO does not work if the VLAN tag is in the packet (non-accelerated).
We may be able to remove this restriction in future firmware.

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index df99edf3464a..99e7652e2169 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -7553,6 +7553,10 @@ bnx2_set_flags(struct net_device *dev, u32 data)
             !(data & ETH_FLAG_RXVLAN))
                 return -EINVAL;
 
+        /* TSO with VLAN tag won't work with current firmware */
+        if (!(data & ETH_FLAG_TXVLAN))
+                return -EINVAL;
+
         rc = ethtool_op_set_flags(dev, data, ETH_FLAG_RXHASH | ETH_FLAG_RXVLAN |
                                   ETH_FLAG_TXVLAN);
         if (rc)