782 static void gtp_push_header(struct sk_buff *skb, struct gtp_pktinfo *pktinfo)  in gtp_push_header()  argument
784 	switch (pktinfo->pctx->gtp_version) {  in gtp_push_header()
786 		pktinfo->gtph_port = htons(GTP0_PORT);  in gtp_push_header()
787 		gtp0_push_header(skb, pktinfo->pctx);  in gtp_push_header()
790 		pktinfo->gtph_port = htons(GTP1U_PORT);  in gtp_push_header()
791 		gtp1_push_header(skb, pktinfo->pctx);  in gtp_push_header()
796 static inline void gtp_set_pktinfo_ipv4(struct gtp_pktinfo *pktinfo,  in gtp_set_pktinfo_ipv4()  argument
802 	pktinfo->sk	= sk;  in gtp_set_pktinfo_ipv4()
803 	pktinfo->iph	= iph;  in gtp_set_pktinfo_ipv4()
804 	pktinfo->pctx	= pctx;  in gtp_set_pktinfo_ipv4()
805 	pktinfo->rt	= rt;  in gtp_set_pktinfo_ipv4()
806 	pktinfo->fl4	= *fl4;  in gtp_set_pktinfo_ipv4()
807 	pktinfo->dev	= dev;  in gtp_set_pktinfo_ipv4()
811 			     struct gtp_pktinfo *pktinfo)  in gtp_build_skb_ip4()  argument
880 	gtp_set_pktinfo_ipv4(pktinfo, pctx->sk, iph, pctx, rt, &fl4, dev);  in gtp_build_skb_ip4()
881 	gtp_push_header(skb, pktinfo);  in gtp_build_skb_ip4()
893 	struct gtp_pktinfo pktinfo;  in gtp_dev_xmit()  local
906 		err = gtp_build_skb_ip4(skb, dev, &pktinfo);  in gtp_dev_xmit()
919 		netdev_dbg(pktinfo.dev, "gtp -> IP src: %pI4 dst: %pI4\n",  in gtp_dev_xmit()
920 			   &pktinfo.iph->saddr, &pktinfo.iph->daddr);  in gtp_dev_xmit()
921 		udp_tunnel_xmit_skb(pktinfo.rt, pktinfo.sk, skb,  in gtp_dev_xmit()
922 				    pktinfo.fl4.saddr, pktinfo.fl4.daddr,  in gtp_dev_xmit()
923 				    pktinfo.iph->tos,  in gtp_dev_xmit()
924 				    ip4_dst_hoplimit(&pktinfo.rt->dst),  in gtp_dev_xmit()
926 				    pktinfo.gtph_port, pktinfo.gtph_port,  in gtp_dev_xmit()
927 				    !net_eq(sock_net(pktinfo.pctx->sk),  in gtp_dev_xmit()