When setting up the first skb in a gro list we ensure that all the
headers up to skb_gro_offset have been pulled into head. In subsequent
uses of this skb (e.g. determining same_flow) it is assumed that the
headers can be accessed in the skb head.
Signed-off-by: Tom Herbert <t...@herbertland.com>
---
net/core/dev.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/core/dev.c b/net/core/dev.c
index 6778a99..05e0e37 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4228,6 +4228,10 @@ static enum gro_result dev_gro_receive(struct
napi_struct *napi, struct sk_buff
} else {
napi->gro_count++;
}
+
+ /* Ensure all headers are pulled into head for 1st skb */
+ skb_gro_header_slow(skb, skb_gro_offset(skb), 0);
+
NAPI_GRO_CB(skb)->count = 1;
NAPI_GRO_CB(skb)->age = jiffies;
NAPI_GRO_CB(skb)->last = skb;
--
1.8.1
--
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