1697 			       const struct fib6_config *cfg)  in ip6_convert_metrics()  argument
1704 	if (!cfg->fc_mx)  in ip6_convert_metrics()
1711 	nla_for_each_attr(nla, cfg->fc_mx, cfg->fc_mx_len, remaining) {  in ip6_convert_metrics()
1751 static struct rt6_info *ip6_route_info_create(struct fib6_config *cfg)  in ip6_route_info_create()  argument
1753 	struct net *net = cfg->fc_nlinfo.nl_net;  in ip6_route_info_create()
1761 	if (cfg->fc_dst_len > 128 || cfg->fc_src_len > 128)  in ip6_route_info_create()
1764 	if (cfg->fc_src_len)  in ip6_route_info_create()
1767 	if (cfg->fc_ifindex) {  in ip6_route_info_create()
1769 		dev = dev_get_by_index(net, cfg->fc_ifindex);  in ip6_route_info_create()
1777 	if (cfg->fc_metric == 0)  in ip6_route_info_create()
1778 		cfg->fc_metric = IP6_RT_PRIO_USER;  in ip6_route_info_create()
1781 	if (cfg->fc_nlinfo.nlh &&  in ip6_route_info_create()
1782 	    !(cfg->fc_nlinfo.nlh->nlmsg_flags & NLM_F_CREATE)) {  in ip6_route_info_create()
1783 		table = fib6_get_table(net, cfg->fc_table);  in ip6_route_info_create()
1786 			table = fib6_new_table(net, cfg->fc_table);  in ip6_route_info_create()
1789 		table = fib6_new_table(net, cfg->fc_table);  in ip6_route_info_create()
1796 			   (cfg->fc_flags & RTF_ADDRCONF) ? 0 : DST_NOCOUNT);  in ip6_route_info_create()
1803 	if (cfg->fc_flags & RTF_EXPIRES)  in ip6_route_info_create()
1805 				clock_t_to_jiffies(cfg->fc_expires));  in ip6_route_info_create()
1809 	if (cfg->fc_protocol == RTPROT_UNSPEC)  in ip6_route_info_create()
1810 		cfg->fc_protocol = RTPROT_BOOT;  in ip6_route_info_create()
1811 	rt->rt6i_protocol = cfg->fc_protocol;  in ip6_route_info_create()
1813 	addr_type = ipv6_addr_type(&cfg->fc_dst);  in ip6_route_info_create()
1817 	else if (cfg->fc_flags & RTF_LOCAL)  in ip6_route_info_create()
1824 	if (cfg->fc_encap) {  in ip6_route_info_create()
1827 		err = lwtunnel_build_state(dev, cfg->fc_encap_type,  in ip6_route_info_create()
1828 					   cfg->fc_encap, AF_INET6, cfg,  in ip6_route_info_create()
1843 	ipv6_addr_prefix(&rt->rt6i_dst.addr, &cfg->fc_dst, cfg->fc_dst_len);  in ip6_route_info_create()
1844 	rt->rt6i_dst.plen = cfg->fc_dst_len;  in ip6_route_info_create()
1849 	ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len);  in ip6_route_info_create()
1850 	rt->rt6i_src.plen = cfg->fc_src_len;  in ip6_route_info_create()
1853 	rt->rt6i_metric = cfg->fc_metric;  in ip6_route_info_create()
1858 	if ((cfg->fc_flags & RTF_REJECT) ||  in ip6_route_info_create()
1861 	     !(cfg->fc_flags & RTF_LOCAL))) {  in ip6_route_info_create()
1877 		switch (cfg->fc_type) {  in ip6_route_info_create()
1891 			rt->dst.error = (cfg->fc_type == RTN_THROW) ? -EAGAIN  in ip6_route_info_create()
1892 					: (cfg->fc_type == RTN_UNREACHABLE)  in ip6_route_info_create()
1901 	if (cfg->fc_flags & RTF_GATEWAY) {  in ip6_route_info_create()
1905 		gw_addr = &cfg->fc_gateway;  in ip6_route_info_create()
1934 			grt = rt6_lookup(net, gw_addr, NULL, cfg->fc_ifindex, 1);  in ip6_route_info_create()
1966 	if (!ipv6_addr_any(&cfg->fc_prefsrc)) {  in ip6_route_info_create()
1967 		if (!ipv6_chk_addr(net, &cfg->fc_prefsrc, dev, 0)) {  in ip6_route_info_create()
1971 		rt->rt6i_prefsrc.addr = cfg->fc_prefsrc;  in ip6_route_info_create()
1976 	rt->rt6i_flags = cfg->fc_flags;  in ip6_route_info_create()
1983 	cfg->fc_nlinfo.nl_net = dev_net(dev);  in ip6_route_info_create()
1997 int ip6_route_add(struct fib6_config *cfg)  in ip6_route_add()  argument
2003 	rt = ip6_route_info_create(cfg);  in ip6_route_add()
2010 	err = ip6_convert_metrics(&mxc, cfg);  in ip6_route_add()
2014 	err = __ip6_ins_rt(rt, &cfg->fc_nlinfo, &mxc);  in ip6_route_add()
2056 static int ip6_route_del(struct fib6_config *cfg)  in ip6_route_del()  argument
2063 	table = fib6_get_table(cfg->fc_nlinfo.nl_net, cfg->fc_table);  in ip6_route_del()
2070 			 &cfg->fc_dst, cfg->fc_dst_len,  in ip6_route_del()
2071 			 &cfg->fc_src, cfg->fc_src_len);  in ip6_route_del()
2076 			    !(cfg->fc_flags & RTF_CACHE))  in ip6_route_del()
2078 			if (cfg->fc_ifindex &&  in ip6_route_del()
2080 			     rt->dst.dev->ifindex != cfg->fc_ifindex))  in ip6_route_del()
2082 			if (cfg->fc_flags & RTF_GATEWAY &&  in ip6_route_del()
2083 			    !ipv6_addr_equal(&cfg->fc_gateway, &rt->rt6i_gateway))  in ip6_route_del()
2085 			if (cfg->fc_metric && cfg->fc_metric != rt->rt6i_metric)  in ip6_route_del()
2090 			return __ip6_del_rt(rt, &cfg->fc_nlinfo);  in ip6_route_del()
2288 	struct fib6_config cfg = {  in rt6_add_route_info()  local
2299 	cfg.fc_table = l3mdev_fib_table_by_index(net, ifindex) ? : RT6_TABLE_INFO;  in rt6_add_route_info()
2300 	cfg.fc_dst = *prefix;  in rt6_add_route_info()
2301 	cfg.fc_gateway = *gwaddr;  in rt6_add_route_info()
2305 		cfg.fc_flags |= RTF_DEFAULT;  in rt6_add_route_info()
2307 	ip6_route_add(&cfg);  in rt6_add_route_info()
2339 	struct fib6_config cfg = {  in rt6_add_dflt_router()  local
2350 	cfg.fc_gateway = *gwaddr;  in rt6_add_dflt_router()
2352 	ip6_route_add(&cfg);  in rt6_add_dflt_router()
2383 				 struct fib6_config *cfg)  in rtmsg_to_fib6_config()  argument
2385 	memset(cfg, 0, sizeof(*cfg));  in rtmsg_to_fib6_config()
2387 	cfg->fc_table = l3mdev_fib_table_by_index(net, rtmsg->rtmsg_ifindex) ?  in rtmsg_to_fib6_config()
2389 	cfg->fc_ifindex = rtmsg->rtmsg_ifindex;  in rtmsg_to_fib6_config()
2390 	cfg->fc_metric = rtmsg->rtmsg_metric;  in rtmsg_to_fib6_config()
2391 	cfg->fc_expires = rtmsg->rtmsg_info;  in rtmsg_to_fib6_config()
2392 	cfg->fc_dst_len = rtmsg->rtmsg_dst_len;  in rtmsg_to_fib6_config()
2393 	cfg->fc_src_len = rtmsg->rtmsg_src_len;  in rtmsg_to_fib6_config()
2394 	cfg->fc_flags = rtmsg->rtmsg_flags;  in rtmsg_to_fib6_config()
2396 	cfg->fc_nlinfo.nl_net = net;  in rtmsg_to_fib6_config()
2398 	cfg->fc_dst = rtmsg->rtmsg_dst;  in rtmsg_to_fib6_config()
2399 	cfg->fc_src = rtmsg->rtmsg_src;  in rtmsg_to_fib6_config()
2400 	cfg->fc_gateway = rtmsg->rtmsg_gateway;  in rtmsg_to_fib6_config()
2405 	struct fib6_config cfg;  in ipv6_route_ioctl()  local
2419 		rtmsg_to_fib6_config(net, &rtmsg, &cfg);  in ipv6_route_ioctl()
2424 			err = ip6_route_add(&cfg);  in ipv6_route_ioctl()
2427 			err = ip6_route_del(&cfg);  in ipv6_route_ioctl()
2706 			      struct fib6_config *cfg)  in rtm_to_fib6_config()  argument
2719 	memset(cfg, 0, sizeof(*cfg));  in rtm_to_fib6_config()
2721 	cfg->fc_table = rtm->rtm_table;  in rtm_to_fib6_config()
2722 	cfg->fc_dst_len = rtm->rtm_dst_len;  in rtm_to_fib6_config()
2723 	cfg->fc_src_len = rtm->rtm_src_len;  in rtm_to_fib6_config()
2724 	cfg->fc_flags = RTF_UP;  in rtm_to_fib6_config()
2725 	cfg->fc_protocol = rtm->rtm_protocol;  in rtm_to_fib6_config()
2726 	cfg->fc_type = rtm->rtm_type;  in rtm_to_fib6_config()
2732 		cfg->fc_flags |= RTF_REJECT;  in rtm_to_fib6_config()
2735 		cfg->fc_flags |= RTF_LOCAL;  in rtm_to_fib6_config()
2738 		cfg->fc_flags |= RTF_CACHE;  in rtm_to_fib6_config()
2740 	cfg->fc_nlinfo.portid = NETLINK_CB(skb).portid;  in rtm_to_fib6_config()
2741 	cfg->fc_nlinfo.nlh = nlh;  in rtm_to_fib6_config()
2742 	cfg->fc_nlinfo.nl_net = sock_net(skb->sk);  in rtm_to_fib6_config()
2745 		cfg->fc_gateway = nla_get_in6_addr(tb[RTA_GATEWAY]);  in rtm_to_fib6_config()
2746 		cfg->fc_flags |= RTF_GATEWAY;  in rtm_to_fib6_config()
2755 		nla_memcpy(&cfg->fc_dst, tb[RTA_DST], plen);  in rtm_to_fib6_config()
2764 		nla_memcpy(&cfg->fc_src, tb[RTA_SRC], plen);  in rtm_to_fib6_config()
2768 		cfg->fc_prefsrc = nla_get_in6_addr(tb[RTA_PREFSRC]);  in rtm_to_fib6_config()
2771 		cfg->fc_ifindex = nla_get_u32(tb[RTA_OIF]);  in rtm_to_fib6_config()
2774 		cfg->fc_metric = nla_get_u32(tb[RTA_PRIORITY]);  in rtm_to_fib6_config()
2777 		cfg->fc_mx = nla_data(tb[RTA_METRICS]);  in rtm_to_fib6_config()
2778 		cfg->fc_mx_len = nla_len(tb[RTA_METRICS]);  in rtm_to_fib6_config()
2782 		cfg->fc_table = nla_get_u32(tb[RTA_TABLE]);  in rtm_to_fib6_config()
2785 		cfg->fc_mp = nla_data(tb[RTA_MULTIPATH]);  in rtm_to_fib6_config()
2786 		cfg->fc_mp_len = nla_len(tb[RTA_MULTIPATH]);  in rtm_to_fib6_config()
2794 		cfg->fc_flags |= RTF_PREF(pref);  in rtm_to_fib6_config()
2798 		cfg->fc_encap = tb[RTA_ENCAP];  in rtm_to_fib6_config()
2801 		cfg->fc_encap_type = nla_get_u16(tb[RTA_ENCAP_TYPE]);  in rtm_to_fib6_config()
2859 static int ip6_route_multipath_add(struct fib6_config *cfg)  in ip6_route_multipath_add()  argument
2870 	int replace = (cfg->fc_nlinfo.nlh &&  in ip6_route_multipath_add()
2871 		       (cfg->fc_nlinfo.nlh->nlmsg_flags & NLM_F_REPLACE));  in ip6_route_multipath_add()
2874 	remaining = cfg->fc_mp_len;  in ip6_route_multipath_add()
2875 	rtnh = (struct rtnexthop *)cfg->fc_mp;  in ip6_route_multipath_add()
2881 		memcpy(&r_cfg, cfg, sizeof(*cfg));  in ip6_route_multipath_add()
2918 		err = __ip6_ins_rt(nh->rt6_info, &cfg->fc_nlinfo, &nh->mxc);  in ip6_route_multipath_add()
2935 		cfg->fc_nlinfo.nlh->nlmsg_flags &= ~(NLM_F_EXCL |  in ip6_route_multipath_add()
2962 static int ip6_route_multipath_del(struct fib6_config *cfg)  in ip6_route_multipath_del()  argument
2970 	remaining = cfg->fc_mp_len;  in ip6_route_multipath_del()
2971 	rtnh = (struct rtnexthop *)cfg->fc_mp;  in ip6_route_multipath_del()
2975 		memcpy(&r_cfg, cfg, sizeof(*cfg));  in ip6_route_multipath_del()
3001 	struct fib6_config cfg;  in inet6_rtm_delroute()  local
3004 	err = rtm_to_fib6_config(skb, nlh, &cfg);  in inet6_rtm_delroute()
3008 	if (cfg.fc_mp)  in inet6_rtm_delroute()
3009 		return ip6_route_multipath_del(&cfg);  in inet6_rtm_delroute()
3011 		return ip6_route_del(&cfg);  in inet6_rtm_delroute()
3016 	struct fib6_config cfg;  in inet6_rtm_newroute()  local
3019 	err = rtm_to_fib6_config(skb, nlh, &cfg);  in inet6_rtm_newroute()
3023 	if (cfg.fc_mp)  in inet6_rtm_newroute()
3024 		return ip6_route_multipath_add(&cfg);  in inet6_rtm_newroute()
3026 		return ip6_route_add(&cfg);  in inet6_rtm_newroute()