87 	    unsigned int mtu,
241 				struct sk_buff *skb, unsigned int mtu)  in ip_finish_output_gso()  argument
249 	if (skb_gso_validate_network_len(skb, mtu))  in ip_finish_output_gso()
280 		err = ip_fragment(net, sk, segs, mtu, ip_finish_output2);  in ip_finish_output_gso()
292 	unsigned int mtu;  in __ip_finish_output()  local
301 	mtu = ip_skb_dst_mtu(sk, skb);  in __ip_finish_output()
303 		return ip_finish_output_gso(net, sk, skb, mtu);  in __ip_finish_output()
305 	if (skb->len > mtu || (IPCB(skb)->flags & IPSKB_FRAG_PMTU))  in __ip_finish_output()
306 		return ip_fragment(net, sk, skb, mtu, ip_finish_output2);  in __ip_finish_output()
569 		       unsigned int mtu,  in ip_fragment()  argument
579 		      IPCB(skb)->frag_max_size > mtu))) {  in ip_fragment()
582 			  htonl(mtu));  in ip_fragment()
648 		  unsigned int ll_rs, unsigned int mtu, bool DF,  in ip_frag_init()  argument
656 	state->mtu = mtu;  in ip_frag_init()
690 	if (len > state->mtu)  in ip_frag_next()
691 		len = state->mtu;  in ip_frag_next()
772 	unsigned int mtu, hlen, ll_rs;  in ip_do_fragment()  local
789 	mtu = ip_skb_dst_mtu(sk, skb);  in ip_do_fragment()
790 	if (IPCB(skb)->frag_max_size && IPCB(skb)->frag_max_size < mtu)  in ip_do_fragment()
791 		mtu = IPCB(skb)->frag_max_size;  in ip_do_fragment()
798 	mtu = mtu - hlen;	/* Size of data space */  in ip_do_fragment()
813 		if (first_len - hlen > mtu ||  in ip_do_fragment()
822 			if (frag->len > mtu ||  in ip_do_fragment()
886 	ip_frag_init(skb, hlen, ll_rs, mtu, IPCB(skb)->flags & IPSKB_FRAG_PMTU,  in ip_do_fragment()
970 	int mtu;  in __ip_append_data()  local
984 	mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;  in __ip_append_data()
994 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;  in __ip_append_data()
995 	maxnonfragsize = ip_sk_ignore_df(sk) ? 0xFFFF : mtu;  in __ip_append_data()
999 			       mtu - (opt ? opt->optlen : 0));  in __ip_append_data()
1008 	    length + fragheaderlen <= mtu &&  in __ip_append_data()
1042 		copy = mtu - skb->len;  in __ip_append_data()
1065 			if (datalen > mtu - fragheaderlen)  in __ip_append_data()
1072 				alloclen = mtu;  in __ip_append_data()
1266 			 dst_mtu(&rt->dst) : rt->dst.dev->mtu;  in ip_setup_cork()
1328 	int mtu;  in ip_append_page()  local
1351 	mtu = cork->gso_size ? IP_MAX_MTU : cork->fragsize;  in ip_append_page()
1354 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;  in ip_append_page()
1355 	maxnonfragsize = ip_sk_ignore_df(sk) ? 0xFFFF : mtu;  in ip_append_page()
1359 			       mtu - (opt ? opt->optlen : 0));  in ip_append_page()
1371 		len = mtu - skb->len;  in ip_append_page()