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authorMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>2016-06-02 21:05:40 +0300
committerDavid S. Miller <davem@davemloft.net>2016-06-04 02:37:21 +0300
commit3953c46c3ac7eef31a9935427371c6f54a22f1ba (patch)
treec23e5494771fbe5c54057d767addbf54c9f880ca /net
parent57c05650394b384605f5183747991d19ee543759 (diff)
downloadlinux-3953c46c3ac7eef31a9935427371c6f54a22f1ba.tar.xz
sk_buff: allow segmenting based on frag sizes
This patch allows segmenting a skb based on its frags sizes instead of based on a fixed value. Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Tested-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/skbuff.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4724bcf9b0ca..97c32c75e704 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3116,9 +3116,13 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
int hsize;
int size;
- len = head_skb->len - offset;
- if (len > mss)
- len = mss;
+ if (unlikely(mss == GSO_BY_FRAGS)) {
+ len = list_skb->len;
+ } else {
+ len = head_skb->len - offset;
+ if (len > mss)
+ len = mss;
+ }
hsize = skb_headlen(head_skb) - offset;
if (hsize < 0)