767 static int mpls_nh_build_from_cfg(struct mpls_route_config *cfg,  in mpls_nh_build_from_cfg()  argument
770 	struct net *net = cfg->rc_nlinfo.nl_net;  in mpls_nh_build_from_cfg()
778 	nh->nh_labels = cfg->rc_output_labels;  in mpls_nh_build_from_cfg()
780 		nh->nh_label[i] = cfg->rc_output_label[i];  in mpls_nh_build_from_cfg()
782 	nh->nh_via_table = cfg->rc_via_table;  in mpls_nh_build_from_cfg()
783 	memcpy(__mpls_nh_via(rt, nh), cfg->rc_via, cfg->rc_via_alen);  in mpls_nh_build_from_cfg()
784 	nh->nh_via_alen = cfg->rc_via_alen;  in mpls_nh_build_from_cfg()
786 	err = mpls_nh_assign_dev(net, rt, nh, cfg->rc_ifindex);  in mpls_nh_build_from_cfg()
884 static int mpls_nh_build_multi(struct mpls_route_config *cfg,  in mpls_nh_build_multi()  argument
888 	struct rtnexthop *rtnh = cfg->rc_mp;  in mpls_nh_build_multi()
890 	int remaining = cfg->rc_mp_len;  in mpls_nh_build_multi()
918 		err = mpls_nh_build(cfg->rc_nlinfo.nl_net, rt, nh,  in mpls_nh_build_multi()
962 static int mpls_route_add(struct mpls_route_config *cfg,  in mpls_route_add()  argument
966 	struct net *net = cfg->rc_nlinfo.nl_net;  in mpls_route_add()
974 	index = cfg->rc_label;  in mpls_route_add()
978 	    (cfg->rc_nlflags & NLM_F_CREATE)) {  in mpls_route_add()
987 	if (cfg->rc_nlflags & NLM_F_APPEND) {  in mpls_route_add()
995 	if ((cfg->rc_nlflags & NLM_F_EXCL) && old)  in mpls_route_add()
999 	if (!(cfg->rc_nlflags & NLM_F_REPLACE) && old)  in mpls_route_add()
1003 	if (!(cfg->rc_nlflags & NLM_F_CREATE) && !old)  in mpls_route_add()
1007 	if (cfg->rc_mp) {  in mpls_route_add()
1008 		nhs = mpls_count_nexthops(cfg->rc_mp, cfg->rc_mp_len,  in mpls_route_add()
1009 					  cfg->rc_via_alen, &max_via_alen,  in mpls_route_add()
1012 		max_via_alen = cfg->rc_via_alen;  in mpls_route_add()
1013 		max_labels = cfg->rc_output_labels;  in mpls_route_add()
1028 	rt->rt_protocol = cfg->rc_protocol;  in mpls_route_add()
1029 	rt->rt_payload_type = cfg->rc_payload_type;  in mpls_route_add()
1030 	rt->rt_ttl_propagate = cfg->rc_ttl_propagate;  in mpls_route_add()
1032 	if (cfg->rc_mp)  in mpls_route_add()
1033 		err = mpls_nh_build_multi(cfg, rt, max_labels, extack);  in mpls_route_add()
1035 		err = mpls_nh_build_from_cfg(cfg, rt);  in mpls_route_add()
1039 	mpls_route_update(net, index, rt, &cfg->rc_nlinfo);  in mpls_route_add()
1049 static int mpls_route_del(struct mpls_route_config *cfg,  in mpls_route_del()  argument
1052 	struct net *net = cfg->rc_nlinfo.nl_net;  in mpls_route_del()
1056 	index = cfg->rc_label;  in mpls_route_del()
1061 	mpls_route_update(net, index, NULL, &cfg->rc_nlinfo);  in mpls_route_del()
1813 			       struct mpls_route_config *cfg,  in rtm_to_route_config()  argument
1871 	cfg->rc_label		= LABEL_NOT_SPECIFIED;  in rtm_to_route_config()
1872 	cfg->rc_protocol	= rtm->rtm_protocol;  in rtm_to_route_config()
1873 	cfg->rc_via_table	= MPLS_NEIGH_TABLE_UNSPEC;  in rtm_to_route_config()
1874 	cfg->rc_ttl_propagate	= MPLS_TTL_PROP_DEFAULT;  in rtm_to_route_config()
1875 	cfg->rc_nlflags		= nlh->nlmsg_flags;  in rtm_to_route_config()
1876 	cfg->rc_nlinfo.portid	= NETLINK_CB(skb).portid;  in rtm_to_route_config()
1877 	cfg->rc_nlinfo.nlh	= nlh;  in rtm_to_route_config()
1878 	cfg->rc_nlinfo.nl_net	= sock_net(skb->sk);  in rtm_to_route_config()
1887 			cfg->rc_ifindex = nla_get_u32(nla);  in rtm_to_route_config()
1891 					   &cfg->rc_output_labels,  in rtm_to_route_config()
1892 					   cfg->rc_output_label, extack))  in rtm_to_route_config()
1899 					   &cfg->rc_label, extack))  in rtm_to_route_config()
1902 			if (!mpls_label_ok(cfg->rc_nlinfo.nl_net,  in rtm_to_route_config()
1903 					   &cfg->rc_label, extack))  in rtm_to_route_config()
1912 			if (nla_get_via(nla, &cfg->rc_via_alen,  in rtm_to_route_config()
1913 					&cfg->rc_via_table, cfg->rc_via,  in rtm_to_route_config()
1920 			cfg->rc_mp = nla_data(nla);  in rtm_to_route_config()
1921 			cfg->rc_mp_len = nla_len(nla);  in rtm_to_route_config()
1933 			cfg->rc_ttl_propagate = ttl_propagate ?  in rtm_to_route_config()
1953 	struct mpls_route_config *cfg;  in mpls_rtm_delroute()  local
1956 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);  in mpls_rtm_delroute()
1957 	if (!cfg)  in mpls_rtm_delroute()
1960 	err = rtm_to_route_config(skb, nlh, cfg, extack);  in mpls_rtm_delroute()
1964 	err = mpls_route_del(cfg, extack);  in mpls_rtm_delroute()
1966 	kfree(cfg);  in mpls_rtm_delroute()
1975 	struct mpls_route_config *cfg;  in mpls_rtm_newroute()  local
1978 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);  in mpls_rtm_newroute()
1979 	if (!cfg)  in mpls_rtm_newroute()
1982 	err = rtm_to_route_config(skb, nlh, cfg, extack);  in mpls_rtm_newroute()
1986 	err = mpls_route_add(cfg, extack);  in mpls_rtm_newroute()
1988 	kfree(cfg);  in mpls_rtm_newroute()