Commit dfec0ee2 authored by Alexander Duyck's avatar Alexander Duyck Committed by David S. Miller
Browse files

udp: Record gso_segs when supporting UDP segmentation offload

We need to record the number of segments that will be generated when this
frame is segmented. The expectation is that if gso_size is set then
gso_segs is set as well. Without this some drivers such as ixgbe get
confused if they attempt to offload this as they record 0 segments for the
entire packet instead of the correct value.
Reviewed-by: default avatarEric Dumazet <>
Acked-by: default avatarWillem de Bruijn <>
Signed-off-by: default avatarAlexander Duyck <>
Signed-off-by: default avatarDavid S. Miller <>
parent 53a7bdfb
......@@ -793,6 +793,8 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4,
skb_shinfo(skb)->gso_size = cork->gso_size;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(len - sizeof(uh),
goto csum_partial;
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