diff options
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 9e8caa0..e1f8bba 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2871,6 +2871,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) unsigned int len = skb_gro_len(skb); unsigned int offset = skb_gro_offset(skb); unsigned int headlen = skb_headlen(skb); + unsigned int delta_truesize; if (p->len + len >= 65536) return -E2BIG; @@ -2900,11 +2901,14 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) frag->page_offset += offset; skb_frag_size_sub(frag, offset); + /* all fragments truesize : remove (head size + sk_buff) */ + delta_truesize = skb->truesize - SKB_TRUESIZE(skb_end_pointer(skb) - skb->head); + skb->truesize -= skb->data_len; skb->len -= skb->data_len; skb->data_len = 0; - NAPI_GRO_CB(skb)->free = 1; + NAPI_GRO_CB(skb)->free = NAPI_GRO_FREE; goto done; } else if (skb->head_frag) { int nr_frags = pinfo->nr_frags; @@ -2929,6 +2933,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) memcpy(frag + 1, skbinfo->frags, sizeof(*frag) * skbinfo->nr_frags); /* We dont need to clear skbinfo->nr_frags here */ + delta_truesize = skb->truesize - SKB_DATA_ALIGN(sizeof(struct sk_buff)); NAPI_GRO_CB(skb)->free = NAPI_GRO_FREE_STOLEN_HEAD; goto done; } else if (skb_gro_len(p) != pinfo->gso_size) @@ -2971,7 +2976,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) p = nskb; merge: - p->truesize += skb->truesize - len; + delta_truesize = skb->truesize; if (offset > headlen) { unsigned int eat = offset - headlen; @@ -2991,7 +2996,7 @@ merge: done: NAPI_GRO_CB(p)->count++; p->data_len += len; - p->truesize += len; + p->truesize += delta_truesize; p->len += len; NAPI_GRO_CB(skb)->same_flow = 1; |