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be2net: Fix HW stall issue in Lancer 

Lancer HW cannot handle a TSO packet with a single segment.
Disable TSO/GSO for such packets.

Signed-off-by: Suresh Reddy <suresh.reddy@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Suresh Reddy 2018-02-06 08:52:41 -05:00 committed by David S. Miller
parent 2c0aa08631
commit 3df40aad1a
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/emulex/benet/be_main.c
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@ -5104,9 +5104,12 @@ static netdev_features_t be_features_check(struct sk_buff *skb,
features &= ~NETIF_F_TSO6;
/* Lancer cannot handle the packet with MSS less than 256.
* Also it can't handle a TSO packet with a single segment
* Disable the GSO support in such cases
*/
if (lancer_chip(adapter) && skb_shinfo(skb)->gso_size < 256)
if (lancer_chip(adapter) &&
(skb_shinfo(skb)->gso_size < 256 ||
skb_shinfo(skb)->gso_segs == 1))
features &= ~NETIF_F_GSO_MASK;
}