3505 struct sk_buff *skb_segment(struct sk_buff *head_skb,  in skb_segment()  argument
3510 	struct sk_buff *list_skb = skb_shinfo(head_skb)->frag_list;  in skb_segment()
3511 	skb_frag_t *frag = skb_shinfo(head_skb)->frags;  in skb_segment()
3512 	unsigned int mss = skb_shinfo(head_skb)->gso_size;  in skb_segment()
3513 	unsigned int doffset = head_skb->data - skb_mac_header(head_skb);  in skb_segment()
3514 	struct sk_buff *frag_skb = head_skb;  in skb_segment()
3516 	unsigned int tnl_hlen = skb_tnl_header_len(head_skb);  in skb_segment()
3519 	unsigned int len = head_skb->len;  in skb_segment()
3522 	int nfrags = skb_shinfo(head_skb)->nr_frags;  in skb_segment()
3528 	__skb_push(head_skb, doffset);  in skb_segment()
3529 	proto = skb_network_protocol(head_skb, &dummy);  in skb_segment()
3542 			    !net_gso_ok(features, skb_shinfo(head_skb)->gso_type))  in skb_segment()
3554 			skb_walk_frags(head_skb, iter) {  in skb_segment()
3579 	headroom = skb_headroom(head_skb);  in skb_segment()
3580 	pos = skb_headlen(head_skb);  in skb_segment()
3591 			len = head_skb->len - offset;  in skb_segment()
3596 		hsize = skb_headlen(head_skb) - offset;  in skb_segment()
3646 					   GFP_ATOMIC, skb_alloc_rx_flag(head_skb),  in skb_segment()
3662 		__copy_skb_header(nskb, head_skb);  in skb_segment()
3667 		skb_copy_from_linear_data_offset(head_skb, -tnl_hlen,  in skb_segment()
3678 				skb_copy_and_csum_bits(head_skb, offset,  in skb_segment()
3688 		skb_copy_from_linear_data_offset(head_skb, offset,  in skb_segment()
3691 		skb_shinfo(nskb)->tx_flags |= skb_shinfo(head_skb)->tx_flags &  in skb_segment()
3772 	} while ((offset += len) < head_skb->len);  in skb_segment()
3782 		int type = skb_shinfo(head_skb)->gso_type;  in skb_segment()
3783 		unsigned short gso_size = skb_shinfo(head_skb)->gso_size;  in skb_segment()
3809 	if (head_skb->destructor == sock_wfree) {  in skb_segment()
3810 		swap(tail->truesize, head_skb->truesize);  in skb_segment()
3811 		swap(tail->destructor, head_skb->destructor);  in skb_segment()
3812 		swap(tail->sk, head_skb->sk);  in skb_segment()