458 static void gtp_push_header(struct sk_buff *skb, struct gtp_pktinfo *pktinfo)  in gtp_push_header()  argument
460 	switch (pktinfo->pctx->gtp_version) {  in gtp_push_header()
462 		pktinfo->gtph_port = htons(GTP0_PORT);  in gtp_push_header()
463 		gtp0_push_header(skb, pktinfo->pctx);  in gtp_push_header()
466 		pktinfo->gtph_port = htons(GTP1U_PORT);  in gtp_push_header()
467 		gtp1_push_header(skb, pktinfo->pctx);  in gtp_push_header()
472 static inline void gtp_set_pktinfo_ipv4(struct gtp_pktinfo *pktinfo,  in gtp_set_pktinfo_ipv4()  argument
478 	pktinfo->sk	= sk;  in gtp_set_pktinfo_ipv4()
479 	pktinfo->iph	= iph;  in gtp_set_pktinfo_ipv4()
480 	pktinfo->pctx	= pctx;  in gtp_set_pktinfo_ipv4()
481 	pktinfo->rt	= rt;  in gtp_set_pktinfo_ipv4()
482 	pktinfo->fl4	= *fl4;  in gtp_set_pktinfo_ipv4()
483 	pktinfo->dev	= dev;  in gtp_set_pktinfo_ipv4()
487 			     struct gtp_pktinfo *pktinfo)  in gtp_build_skb_ip4()  argument
558 	gtp_set_pktinfo_ipv4(pktinfo, pctx->sk, iph, pctx, rt, &fl4, dev);  in gtp_build_skb_ip4()
559 	gtp_push_header(skb, pktinfo);  in gtp_build_skb_ip4()
571 	struct gtp_pktinfo pktinfo;  in gtp_dev_xmit()  local
584 		err = gtp_build_skb_ip4(skb, dev, &pktinfo);  in gtp_dev_xmit()
597 		netdev_dbg(pktinfo.dev, "gtp -> IP src: %pI4 dst: %pI4\n",  in gtp_dev_xmit()
598 			   &pktinfo.iph->saddr, &pktinfo.iph->daddr);  in gtp_dev_xmit()
599 		udp_tunnel_xmit_skb(pktinfo.rt, pktinfo.sk, skb,  in gtp_dev_xmit()
600 				    pktinfo.fl4.saddr, pktinfo.fl4.daddr,  in gtp_dev_xmit()
601 				    pktinfo.iph->tos,  in gtp_dev_xmit()
602 				    ip4_dst_hoplimit(&pktinfo.rt->dst),  in gtp_dev_xmit()
604 				    pktinfo.gtph_port, pktinfo.gtph_port,  in gtp_dev_xmit()