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Date: Tue, 6 Feb 2018 08:52:41 -0500 From: Suresh Reddy <suresh.reddy@...adcom.com> To: netdev@...r.kernel.org Subject: [PATCH net 1/2] 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@...adcom.com> --- drivers/net/ethernet/emulex/benet/be_main.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index c6e859a..130fa82 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5097,9 +5097,12 @@ 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; } -- 1.8.3.1
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