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Message-Id: <20180206135242.22469-2-suresh.reddy@broadcom.com>
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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