2999 struct sk_buff *skb_segment(struct sk_buff *head_skb,  in skb_segment()  argument
3004 	struct sk_buff *list_skb = skb_shinfo(head_skb)->frag_list;  in skb_segment()
3005 	skb_frag_t *frag = skb_shinfo(head_skb)->frags;  in skb_segment()
3006 	unsigned int mss = skb_shinfo(head_skb)->gso_size;  in skb_segment()
3007 	unsigned int doffset = head_skb->data - skb_mac_header(head_skb);  in skb_segment()
3008 	struct sk_buff *frag_skb = head_skb;  in skb_segment()
3010 	unsigned int tnl_hlen = skb_tnl_header_len(head_skb);  in skb_segment()
3016 	int nfrags = skb_shinfo(head_skb)->nr_frags;  in skb_segment()
3022 	__skb_push(head_skb, doffset);  in skb_segment()
3023 	proto = skb_network_protocol(head_skb, &dummy);  in skb_segment()
3027 	csum = !head_skb->encap_hdr_csum &&  in skb_segment()
3030 	headroom = skb_headroom(head_skb);  in skb_segment()
3031 	pos = skb_headlen(head_skb);  in skb_segment()
3039 		len = head_skb->len - offset;  in skb_segment()
3043 		hsize = skb_headlen(head_skb) - offset;  in skb_segment()
3093 					   GFP_ATOMIC, skb_alloc_rx_flag(head_skb),  in skb_segment()
3109 		__copy_skb_header(nskb, head_skb);  in skb_segment()
3114 		skb_copy_from_linear_data_offset(head_skb, -tnl_hlen,  in skb_segment()
3123 			nskb->csum = skb_copy_and_csum_bits(head_skb, offset,  in skb_segment()
3133 		skb_copy_from_linear_data_offset(head_skb, offset,  in skb_segment()
3136 		skb_shinfo(nskb)->tx_flags = skb_shinfo(head_skb)->tx_flags &  in skb_segment()
3200 	} while ((offset += len) < head_skb->len);  in skb_segment()
3212 	if (head_skb->destructor == sock_wfree) {  in skb_segment()
3213 		swap(tail->truesize, head_skb->truesize);  in skb_segment()
3214 		swap(tail->destructor, head_skb->destructor);  in skb_segment()
3215 		swap(tail->sk, head_skb->sk);  in skb_segment()