88 	    unsigned int mtu,
224 				struct sk_buff *skb, unsigned int mtu)  in ip_finish_output_gso()  argument
232 	      skb_gso_network_seglen(skb) <= mtu)  in ip_finish_output_gso()
257 		err = ip_fragment(net, sk, segs, mtu, ip_finish_output2);  in ip_finish_output_gso()
269 	unsigned int mtu;  in ip_finish_output()  local
278 	mtu = ip_skb_dst_mtu(skb);  in ip_finish_output()
280 		return ip_finish_output_gso(net, sk, skb, mtu);  in ip_finish_output()
282 	if (skb->len > mtu || (IPCB(skb)->flags & IPSKB_FRAG_PMTU))  in ip_finish_output()
283 		return ip_fragment(net, sk, skb, mtu, ip_finish_output2);  in ip_finish_output()
494 		       unsigned int mtu,  in ip_fragment()  argument
504 		      IPCB(skb)->frag_max_size > mtu))) {  in ip_fragment()
507 			  htonl(mtu));  in ip_fragment()
529 	unsigned int mtu, hlen, left, len, ll_rs;  in ip_do_fragment()  local
548 	mtu = ip_skb_dst_mtu(skb);  in ip_do_fragment()
549 	if (IPCB(skb)->frag_max_size && IPCB(skb)->frag_max_size < mtu)  in ip_do_fragment()
550 		mtu = IPCB(skb)->frag_max_size;  in ip_do_fragment()
557 	mtu = mtu - hlen;	/* Size of data space */  in ip_do_fragment()
571 		if (first_len - hlen > mtu ||  in ip_do_fragment()
579 			if (frag->len > mtu ||  in ip_do_fragment()
687 		if (len > mtu)  in ip_do_fragment()
688 			len = mtu;  in ip_do_fragment()
881 	int mtu;  in __ip_append_data()  local
893 	mtu = cork->fragsize;  in __ip_append_data()
901 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;  in __ip_append_data()
902 	maxnonfragsize = ip_sk_ignore_df(sk) ? 0xFFFF : mtu;  in __ip_append_data()
906 			       mtu - (opt ? opt->optlen : 0));  in __ip_append_data()
915 	    length + fragheaderlen <= mtu &&  in __ip_append_data()
922 	if (((length > mtu) || (skb && skb_is_gso(skb))) &&  in __ip_append_data()
946 		copy = mtu - skb->len;  in __ip_append_data()
968 			if (datalen > mtu - fragheaderlen)  in __ip_append_data()
974 				alloclen = mtu;  in __ip_append_data()
1144 			 dst_mtu(&rt->dst) : rt->dst.dev->mtu;  in ip_setup_cork()
1201 	int mtu;  in ip_append_page()  local
1224 	mtu = cork->fragsize;  in ip_append_page()
1227 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;  in ip_append_page()
1228 	maxnonfragsize = ip_sk_ignore_df(sk) ? 0xFFFF : mtu;  in ip_append_page()
1232 			       mtu - (opt ? opt->optlen : 0));  in ip_append_page()
1240 	if ((size + skb->len > mtu) &&  in ip_append_page()
1246 		skb_shinfo(skb)->gso_size = mtu - fragheaderlen;  in ip_append_page()
1257 			len = mtu - skb->len;  in ip_append_page()