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| author | Eric Dumazet <edumazet@google.com> | 2021-11-15 09:05:52 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-11-16 13:16:54 +0000 |
| commit | 0b935d7f8c07bf0a192712bdbf76dbf45ef8b115 (patch) | |
| tree | d5ca9a8e68f427b534f2230c916a2bf462f613b6 /net/ipv4/udp_offload.c | |
| parent | 4721031c3559db8eae61df305f10c00099a7c1d0 (diff) | |
| download | lwn-0b935d7f8c07bf0a192712bdbf76dbf45ef8b115.tar.gz lwn-0b935d7f8c07bf0a192712bdbf76dbf45ef8b115.zip | |
net: gro: move skb_gro_receive_list to udp_offload.c
This helper is used once, no need to keep it in fat net/core/skbuff.c
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp_offload.c')
| -rw-r--r-- | net/ipv4/udp_offload.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 7fbf9975e8c0..cbeb8965d1b7 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -425,6 +425,33 @@ out: return segs; } +static int skb_gro_receive_list(struct sk_buff *p, struct sk_buff *skb) +{ + if (unlikely(p->len + skb->len >= 65536)) + return -E2BIG; + + if (NAPI_GRO_CB(p)->last == p) + skb_shinfo(p)->frag_list = skb; + else + NAPI_GRO_CB(p)->last->next = skb; + + skb_pull(skb, skb_gro_offset(skb)); + + NAPI_GRO_CB(p)->last = skb; + NAPI_GRO_CB(p)->count++; + p->data_len += skb->len; + + /* sk owenrship - if any - completely transferred to the aggregated packet */ + skb->destructor = NULL; + p->truesize += skb->truesize; + p->len += skb->len; + + NAPI_GRO_CB(skb)->same_flow = 1; + + return 0; +} + + #define UDP_GRO_CNT_MAX 64 static struct sk_buff *udp_gro_receive_segment(struct list_head *head, struct sk_buff *skb) |