144 	struct ip_tunnel *t;  in ipgre_err()  local
155 	t = ip_tunnel_lookup(itn, skb->dev->ifindex, tpi->flags,  in ipgre_err()
158 	if (!t)  in ipgre_err()
198 	if (t->parms.iph.daddr == 0 ||  in ipgre_err()
199 	    ipv4_is_multicast(t->parms.iph.daddr))  in ipgre_err()
202 	if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED)  in ipgre_err()
205 	if (time_before(jiffies, t->err_time + IPTUNNEL_ERR_TIMEO))  in ipgre_err()
206 		t->err_count++;  in ipgre_err()
208 		t->err_count = 1;  in ipgre_err()
209 	t->err_time = jiffies;  in ipgre_err()
813 		struct ip_tunnel *t = netdev_priv(dev);  in ipgre_tunnel_ctl()  local
815 		t->parms.i_flags = p->i_flags;  in ipgre_tunnel_ctl()
816 		t->parms.o_flags = p->o_flags;  in ipgre_tunnel_ctl()
858 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_header()  local
862 	iph = skb_push(skb, t->hlen + sizeof(*iph));  in ipgre_header()
864 	greh->flags = gre_tnl_flags_to_gre_flags(t->parms.o_flags);  in ipgre_header()
867 	memcpy(iph, &t->parms.iph, sizeof(struct iphdr));  in ipgre_header()
875 		return t->hlen + sizeof(*iph);  in ipgre_header()
877 	return -(t->hlen + sizeof(*iph));  in ipgre_header()
895 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_open()  local
897 	if (ipv4_is_multicast(t->parms.iph.daddr)) {  in ipgre_open()
901 		rt = ip_route_output_gre(t->net, &fl4,  in ipgre_open()
902 					 t->parms.iph.daddr,  in ipgre_open()
903 					 t->parms.iph.saddr,  in ipgre_open()
904 					 t->parms.o_key,  in ipgre_open()
905 					 RT_TOS(t->parms.iph.tos),  in ipgre_open()
906 					 t->parms.link);  in ipgre_open()
913 		t->mlink = dev->ifindex;  in ipgre_open()
914 		ip_mc_inc_group(__in_dev_get_rtnl(dev), t->parms.iph.daddr);  in ipgre_open()
921 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_close()  local
923 	if (ipv4_is_multicast(t->parms.iph.daddr) && t->mlink) {  in ipgre_close()
925 		in_dev = inetdev_by_index(t->net, t->mlink);  in ipgre_close()
927 			ip_mc_dec_group(in_dev, t->parms.iph.daddr);  in ipgre_close()
1140 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_netlink_parms()  local
1177 		if (t->ignore_df)  in ipgre_netlink_parms()
1183 		t->collect_md = true;  in ipgre_netlink_parms()
1192 		t->ignore_df = !!nla_get_u8(data[IFLA_GRE_IGNORE_DF]);  in ipgre_netlink_parms()
1207 	struct ip_tunnel *t = netdev_priv(dev);  in erspan_netlink_parms()  local
1217 		t->erspan_ver = nla_get_u8(data[IFLA_GRE_ERSPAN_VER]);  in erspan_netlink_parms()
1219 		if (t->erspan_ver > 2)  in erspan_netlink_parms()
1223 	if (t->erspan_ver == 1) {  in erspan_netlink_parms()
1225 			t->index = nla_get_u32(data[IFLA_GRE_ERSPAN_INDEX]);  in erspan_netlink_parms()
1226 			if (t->index & ~INDEX_MASK)  in erspan_netlink_parms()
1229 	} else if (t->erspan_ver == 2) {  in erspan_netlink_parms()
1231 			t->dir = nla_get_u8(data[IFLA_GRE_ERSPAN_DIR]);  in erspan_netlink_parms()
1232 			if (t->dir & ~(DIR_MASK >> DIR_OFFSET))  in erspan_netlink_parms()
1236 			t->hwid = nla_get_u16(data[IFLA_GRE_ERSPAN_HWID]);  in erspan_netlink_parms()
1237 			if (t->hwid & ~(HWID_MASK >> HWID_OFFSET))  in erspan_netlink_parms()
1349 		struct ip_tunnel *t = netdev_priv(dev);  in ipgre_newlink_encap_setup()  local
1350 		int err = ip_tunnel_encap_setup(t, &ipencap);  in ipgre_newlink_encap_setup()
1399 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_changelink()  local
1400 	__u32 fwmark = t->fwmark;  in ipgre_changelink()
1416 	t->parms.i_flags = p.i_flags;  in ipgre_changelink()
1417 	t->parms.o_flags = p.o_flags;  in ipgre_changelink()
1428 	struct ip_tunnel *t = netdev_priv(dev);  in erspan_changelink()  local
1429 	__u32 fwmark = t->fwmark;  in erspan_changelink()
1445 	t->parms.i_flags = p.i_flags;  in erspan_changelink()
1446 	t->parms.o_flags = p.o_flags;  in erspan_changelink()
1501 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_fill_info()  local
1502 	struct ip_tunnel_parm *p = &t->parms;  in ipgre_fill_info()
1518 	    nla_put_u32(skb, IFLA_GRE_FWMARK, t->fwmark))  in ipgre_fill_info()
1522 			t->encap.type) ||  in ipgre_fill_info()
1524 			 t->encap.sport) ||  in ipgre_fill_info()
1526 			 t->encap.dport) ||  in ipgre_fill_info()
1528 			t->encap.flags))  in ipgre_fill_info()
1531 	if (nla_put_u8(skb, IFLA_GRE_IGNORE_DF, t->ignore_df))  in ipgre_fill_info()
1534 	if (t->collect_md) {  in ipgre_fill_info()
1547 	struct ip_tunnel *t = netdev_priv(dev);  in erspan_fill_info()  local
1549 	if (t->erspan_ver <= 2) {  in erspan_fill_info()
1550 		if (t->erspan_ver != 0 && !t->collect_md)  in erspan_fill_info()
1551 			t->parms.o_flags |= TUNNEL_KEY;  in erspan_fill_info()
1553 		if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, t->erspan_ver))  in erspan_fill_info()
1556 		if (t->erspan_ver == 1) {  in erspan_fill_info()
1557 			if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, t->index))  in erspan_fill_info()
1559 		} else if (t->erspan_ver == 2) {  in erspan_fill_info()
1560 			if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, t->dir))  in erspan_fill_info()
1562 			if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, t->hwid))  in erspan_fill_info()
1575 	struct ip_tunnel *t = netdev_priv(dev);  in erspan_setup()  local
1583 	t->erspan_ver = 1;  in erspan_setup()
1661 	struct ip_tunnel *t;  in gretap_fb_dev_create()  local
1672 	t = netdev_priv(dev);  in gretap_fb_dev_create()
1673 	t->collect_md = true;  in gretap_fb_dev_create()