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| author | Jason Wang <jasowang@redhat.com> | 2013-11-01 14:07:47 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-11-04 20:03:52 -0500 |
| commit | f8e617e100d7369a0108f96abf4414e9fb82ced7 (patch) | |
| tree | 669f70c7c3ce6ed05097771890d708d83f1eb8be /include/linux/skbuff.h | |
| parent | e50fddc8b0c0698cba446221be3654aa0a642372 (diff) | |
| download | linux-f8e617e100d7369a0108f96abf4414e9fb82ced7.tar.gz linux-f8e617e100d7369a0108f96abf4414e9fb82ced7.tar.bz2 linux-f8e617e100d7369a0108f96abf4414e9fb82ced7.zip | |
net: introduce skb_coalesce_rx_frag()
Sometimes we need to coalesce the rx frags to avoid frag list. One example is
virtio-net driver which tries to use small frags for both MTU sized packet and
GSO packet. So this patch introduce skb_coalesce_rx_frag() to do this.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Michael Dalton <mwdalton@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 44727b5d4981..2e153b69d318 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1372,6 +1372,9 @@ static inline void skb_fill_page_desc(struct sk_buff *skb, int i, void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off, int size, unsigned int truesize); +void skb_coalesce_rx_frag(struct sk_buff *skb, int i, int size, + unsigned int truesize); + #define SKB_PAGE_ASSERT(skb) BUG_ON(skb_shinfo(skb)->nr_frags) #define SKB_FRAG_ASSERT(skb) BUG_ON(skb_has_frag_list(skb)) #define SKB_LINEAR_ASSERT(skb) BUG_ON(skb_is_nonlinear(skb)) |