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authorEric Dumazet <edumazet@google.com>2021-11-15 09:05:52 -0800
committerDavid S. Miller <davem@davemloft.net>2021-11-16 13:16:54 +0000
commit0b935d7f8c07bf0a192712bdbf76dbf45ef8b115 (patch)
treed5ca9a8e68f427b534f2230c916a2bf462f613b6 /net/ipv4/udp_offload.c
parent4721031c3559db8eae61df305f10c00099a7c1d0 (diff)
downloadlinux-0b935d7f8c07bf0a192712bdbf76dbf45ef8b115.tar.bz2
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.c27
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)