Lines Matching +full:use +full:- +full:rtm
1 // SPDX-License-Identifier: GPL-2.0-or-later
85 return rcu_dereference(vif->dev); in vif_dev_read()
119 list_for_each_entry_rcu(mrt, &net->ipv4.mr_tables, list, \
121 list_empty(&net->ipv4.mr_tables))
134 ret = list_entry_rcu(net->ipv4.mr_tables.next, in ipmr_mr_table_iter()
137 ret = list_entry_rcu(mrt->list.next, in ipmr_mr_table_iter()
140 if (&ret->list == &net->ipv4.mr_tables) in ipmr_mr_table_iter()
150 if (mrt->id == id) in __ipmr_get_table()
179 err = fib_rules_lookup(net->ipv4.mr_rules_ops, in ipmr_fib_lookup()
190 struct ipmr_result *res = arg->result; in ipmr_rule_action()
193 switch (rule->action) { in ipmr_rule_action()
197 return -ENETUNREACH; in ipmr_rule_action()
199 return -EACCES; in ipmr_rule_action()
202 return -EINVAL; in ipmr_rule_action()
205 arg->table = fib_rule_get_table(rule, arg); in ipmr_rule_action()
207 mrt = __ipmr_get_table(rule->fr_net, arg->table); in ipmr_rule_action()
209 return -EAGAIN; in ipmr_rule_action()
210 res->mrt = mrt; in ipmr_rule_action()
235 frh->dst_len = 0; in ipmr_rule_fill()
236 frh->src_len = 0; in ipmr_rule_fill()
237 frh->tos = 0; in ipmr_rule_fill()
264 INIT_LIST_HEAD(&net->ipv4.mr_tables); in ipmr_rules_init()
276 net->ipv4.mr_rules_ops = ops; in ipmr_rules_init()
293 list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list) { in ipmr_rules_exit()
294 list_del(&mrt->list); in ipmr_rules_exit()
297 fib_rules_unregister(net->ipv4.mr_rules_ops); in ipmr_rules_exit()
313 return fib_rule_matchall(rule) && rule->table == RT_TABLE_DEFAULT; in ipmr_rule_default()
318 for (mrt = net->ipv4.mrt; mrt; mrt = NULL)
329 return net->ipv4.mrt; in ipmr_mr_table_iter()
335 return net->ipv4.mrt; in ipmr_get_table()
343 *mrt = net->ipv4.mrt; in ipmr_fib_lookup()
354 net->ipv4.mrt = mrt; in ipmr_rules_init()
361 ipmr_free_table(net->ipv4.mrt); in ipmr_rules_exit()
362 net->ipv4.mrt = NULL; in ipmr_rules_exit()
386 const struct mfc_cache_cmp_arg *cmparg = arg->key; in ipmr_hash_cmp()
389 return cmparg->mfc_mcastgrp != c->mfc_mcastgrp || in ipmr_hash_cmp()
390 cmparg->mfc_origin != c->mfc_origin; in ipmr_hash_cmp()
406 list_add_tail_rcu(&mrt->list, &net->ipv4.mr_tables); in ipmr_new_table_set()
426 return ERR_PTR(-EINVAL); in ipmr_new_table()
438 struct net *net = read_pnet(&mrt->net); in ipmr_free_table()
442 timer_shutdown_sync(&mrt->ipmr_expire_timer); in ipmr_free_table()
445 rhltable_destroy(&mrt->mfc_hash); in ipmr_free_table()
462 neigh_parms_data_state_setall(in_dev->arp_parms); in ipmr_init_vif_indev()
463 IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0; in ipmr_init_vif_indev()
478 p.iph.daddr = v->vifc_rmt_addr.s_addr; in ipmr_new_tunnel()
479 p.iph.saddr = v->vifc_lcl_addr.s_addr; in ipmr_new_tunnel()
483 sprintf(p.name, "dvmrp%d", v->vifc_vifi); in ipmr_new_tunnel()
485 if (!tunnel_dev->netdev_ops->ndo_tunnel_ctl) in ipmr_new_tunnel()
487 err = tunnel_dev->netdev_ops->ndo_tunnel_ctl(tunnel_dev, &p, in ipmr_new_tunnel()
496 new_dev->flags |= IFF_MULTICAST; in ipmr_new_tunnel()
505 tunnel_dev->netdev_ops->ndo_tunnel_ctl(tunnel_dev, &p, in ipmr_new_tunnel()
515 return ERR_PTR(-ENOBUFS); in ipmr_new_tunnel()
524 .flowi4_oif = dev->ifindex, in reg_vif_xmit()
525 .flowi4_iif = skb->skb_iif ? : LOOPBACK_IFINDEX, in reg_vif_xmit()
526 .flowi4_mark = skb->mark, in reg_vif_xmit()
536 DEV_STATS_ADD(dev, tx_bytes, skb->len); in reg_vif_xmit()
541 ipmr_cache_report(mrt, skb, READ_ONCE(mrt->mroute_reg_vif_num), in reg_vif_xmit()
561 dev->type = ARPHRD_PIMREG; in reg_vif_setup()
562 dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr) - 8; in reg_vif_setup()
563 dev->flags = IFF_NOARP; in reg_vif_setup()
564 dev->netdev_ops = ®_vif_netdev_ops; in reg_vif_setup()
565 dev->needs_free_netdev = true; in reg_vif_setup()
566 dev->netns_local = true; in reg_vif_setup()
574 if (mrt->id == RT_TABLE_DEFAULT) in ipmr_reg_vif()
577 sprintf(name, "pimreg%u", mrt->id); in ipmr_reg_vif()
616 * b. packet is not a NULL-REGISTER in __pim_rcv()
619 if (!ipv4_is_multicast(encap->daddr) || in __pim_rcv()
620 encap->tot_len == 0 || in __pim_rcv()
621 ntohs(encap->tot_len) + pimlen > skb->len) in __pim_rcv()
625 vif_num = READ_ONCE(mrt->mroute_reg_vif_num); in __pim_rcv()
627 reg_dev = vif_dev_read(&mrt->vif_table[vif_num]); in __pim_rcv()
631 skb->mac_header = skb->network_header; in __pim_rcv()
632 skb_pull(skb, (u8 *)encap - skb->data); in __pim_rcv()
634 skb->protocol = htons(ETH_P_IP); in __pim_rcv()
635 skb->ip_summed = CHECKSUM_NONE; in __pim_rcv()
658 &net->ipv4.ipmr_seq); in call_ipmr_vif_entry_notifiers()
666 &mfc->_c, tb_id, &net->ipv4.ipmr_seq); in call_ipmr_mfc_entry_notifiers()
670 * vif_delete - Delete a VIF entry
679 struct net *net = read_pnet(&mrt->net); in vif_delete()
684 if (vifi < 0 || vifi >= mrt->maxvif) in vif_delete()
685 return -EADDRNOTAVAIL; in vif_delete()
687 v = &mrt->vif_table[vifi]; in vif_delete()
689 dev = rtnl_dereference(v->dev); in vif_delete()
691 return -EADDRNOTAVAIL; in vif_delete()
695 vifi, mrt->id); in vif_delete()
696 RCU_INIT_POINTER(v->dev, NULL); in vif_delete()
698 if (vifi == mrt->mroute_reg_vif_num) { in vif_delete()
700 WRITE_ONCE(mrt->mroute_reg_vif_num, -1); in vif_delete()
702 if (vifi + 1 == mrt->maxvif) { in vif_delete()
705 for (tmp = vifi - 1; tmp >= 0; tmp--) { in vif_delete()
709 WRITE_ONCE(mrt->maxvif, tmp + 1); in vif_delete()
714 dev_set_allmulti(dev, -1); in vif_delete()
718 IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)--; in vif_delete()
721 dev->ifindex, &in_dev->cnf); in vif_delete()
725 if (v->flags & (VIFF_TUNNEL | VIFF_REGISTER) && !notify) in vif_delete()
728 netdev_put(dev, &v->dev_tracker); in vif_delete()
741 call_rcu(&c->_c.rcu, ipmr_cache_free_rcu); in ipmr_cache_free()
749 struct net *net = read_pnet(&mrt->net); in ipmr_destroy_unres()
753 atomic_dec(&mrt->cache_resolve_queue_len); in ipmr_destroy_unres()
755 while ((skb = skb_dequeue(&c->_c.mfc_un.unres.unresolved))) { in ipmr_destroy_unres()
756 if (ip_hdr(skb)->version == 0) { in ipmr_destroy_unres()
759 nlh->nlmsg_type = NLMSG_ERROR; in ipmr_destroy_unres()
760 nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); in ipmr_destroy_unres()
761 skb_trim(skb, nlh->nlmsg_len); in ipmr_destroy_unres()
763 e->error = -ETIMEDOUT; in ipmr_destroy_unres()
764 memset(&e->msg, 0, sizeof(e->msg)); in ipmr_destroy_unres()
784 mod_timer(&mrt->ipmr_expire_timer, jiffies+HZ/10); in ipmr_expire_process()
788 if (list_empty(&mrt->mfc_unres_queue)) in ipmr_expire_process()
794 list_for_each_entry_safe(c, next, &mrt->mfc_unres_queue, list) { in ipmr_expire_process()
795 if (time_after(c->mfc_un.unres.expires, now)) { in ipmr_expire_process()
796 unsigned long interval = c->mfc_un.unres.expires - now; in ipmr_expire_process()
802 list_del(&c->list); in ipmr_expire_process()
807 if (!list_empty(&mrt->mfc_unres_queue)) in ipmr_expire_process()
808 mod_timer(&mrt->ipmr_expire_timer, jiffies + expires); in ipmr_expire_process()
820 cache->mfc_un.res.minvif = MAXVIFS; in ipmr_update_thresholds()
821 cache->mfc_un.res.maxvif = 0; in ipmr_update_thresholds()
822 memset(cache->mfc_un.res.ttls, 255, MAXVIFS); in ipmr_update_thresholds()
824 for (vifi = 0; vifi < mrt->maxvif; vifi++) { in ipmr_update_thresholds()
827 cache->mfc_un.res.ttls[vifi] = ttls[vifi]; in ipmr_update_thresholds()
828 if (cache->mfc_un.res.minvif > vifi) in ipmr_update_thresholds()
829 cache->mfc_un.res.minvif = vifi; in ipmr_update_thresholds()
830 if (cache->mfc_un.res.maxvif <= vifi) in ipmr_update_thresholds()
831 cache->mfc_un.res.maxvif = vifi + 1; in ipmr_update_thresholds()
834 WRITE_ONCE(cache->mfc_un.res.lastuse, jiffies); in ipmr_update_thresholds()
841 int vifi = vifc->vifc_vifi; in vif_add()
842 struct vif_device *v = &mrt->vif_table[vifi]; in vif_add()
849 return -EADDRINUSE; in vif_add()
851 switch (vifc->vifc_flags) { in vif_add()
854 return -EINVAL; in vif_add()
858 if (mrt->mroute_reg_vif_num >= 0) in vif_add()
859 return -EADDRINUSE; in vif_add()
862 return -ENOBUFS; in vif_add()
877 if (vifc->vifc_flags == VIFF_USE_IFINDEX) { in vif_add()
878 dev = dev_get_by_index(net, vifc->vifc_lcl_ifindex); in vif_add()
881 return -EADDRNOTAVAIL; in vif_add()
884 dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr); in vif_add()
887 return -EADDRNOTAVAIL; in vif_add()
895 return -EINVAL; in vif_add()
901 return -EADDRNOTAVAIL; in vif_add()
903 IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++; in vif_add()
905 dev->ifindex, &in_dev->cnf); in vif_add()
909 vif_device_init(v, dev, vifc->vifc_rate_limit, in vif_add()
910 vifc->vifc_threshold, in vif_add()
911 vifc->vifc_flags | (!mrtsock ? VIFF_STATIC : 0), in vif_add()
916 memcpy(v->dev_parent_id.id, ppid.id, ppid.id_len); in vif_add()
917 v->dev_parent_id.id_len = ppid.id_len; in vif_add()
919 v->dev_parent_id.id_len = 0; in vif_add()
922 v->local = vifc->vifc_lcl_addr.s_addr; in vif_add()
923 v->remote = vifc->vifc_rmt_addr.s_addr; in vif_add()
927 rcu_assign_pointer(v->dev, dev); in vif_add()
928 netdev_tracker_alloc(dev, &v->dev_tracker, GFP_ATOMIC); in vif_add()
929 if (v->flags & VIFF_REGISTER) { in vif_add()
931 WRITE_ONCE(mrt->mroute_reg_vif_num, vifi); in vif_add()
933 if (vifi+1 > mrt->maxvif) in vif_add()
934 WRITE_ONCE(mrt->maxvif, vifi + 1); in vif_add()
937 vifi, mrt->id); in vif_add()
968 /* Look for a (S,G,iif) entry if parent != -1 */
987 c->_c.mfc_un.res.last_assert = jiffies - MFC_ASSERT_THRESH - 1; in ipmr_cache_alloc()
988 c->_c.mfc_un.res.minvif = MAXVIFS; in ipmr_cache_alloc()
989 c->_c.free = ipmr_cache_free_rcu; in ipmr_cache_alloc()
990 refcount_set(&c->_c.mfc_un.res.refcount, 1); in ipmr_cache_alloc()
1000 skb_queue_head_init(&c->_c.mfc_un.unres.unresolved); in ipmr_cache_alloc_unres()
1001 c->_c.mfc_un.unres.expires = jiffies + 10 * HZ; in ipmr_cache_alloc_unres()
1014 while ((skb = __skb_dequeue(&uc->_c.mfc_un.unres.unresolved))) { in ipmr_cache_resolve()
1015 if (ip_hdr(skb)->version == 0) { in ipmr_cache_resolve()
1019 if (mr_fill_mroute(mrt, skb, &c->_c, in ipmr_cache_resolve()
1021 nlh->nlmsg_len = skb_tail_pointer(skb) - in ipmr_cache_resolve()
1024 nlh->nlmsg_type = NLMSG_ERROR; in ipmr_cache_resolve()
1025 nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); in ipmr_cache_resolve()
1026 skb_trim(skb, nlh->nlmsg_len); in ipmr_cache_resolve()
1028 e->error = -EMSGSIZE; in ipmr_cache_resolve()
1029 memset(&e->msg, 0, sizeof(e->msg)); in ipmr_cache_resolve()
1035 ip_mr_forward(net, mrt, skb->dev, skb, c, 0); in ipmr_cache_resolve()
1055 mroute_sk = rcu_dereference(mrt->mroute_sk); in ipmr_cache_report()
1057 return -EINVAL; in ipmr_cache_report()
1065 return -ENOBUFS; in ipmr_cache_report()
1070 * And all this only to mangle msg->im_msgtype and in ipmr_cache_report()
1071 * to set msg->im_mbz to "mbz" :-) in ipmr_cache_report()
1078 msg->im_msgtype = assert; in ipmr_cache_report()
1079 msg->im_mbz = 0; in ipmr_cache_report()
1081 msg->im_vif = vifi; in ipmr_cache_report()
1082 msg->im_vif_hi = vifi >> 8; in ipmr_cache_report()
1085 int vif_num = READ_ONCE(mrt->mroute_reg_vif_num); in ipmr_cache_report()
1087 msg->im_vif = vif_num; in ipmr_cache_report()
1088 msg->im_vif_hi = vif_num >> 8; in ipmr_cache_report()
1090 ip_hdr(skb)->ihl = sizeof(struct iphdr) >> 2; in ipmr_cache_report()
1091 ip_hdr(skb)->tot_len = htons(ntohs(ip_hdr(pkt)->tot_len) + in ipmr_cache_report()
1095 skb_set_network_header(skb, skb->len); in ipmr_cache_report()
1097 skb_copy_to_linear_data(skb, pkt->data, ihl); in ipmr_cache_report()
1099 ip_hdr(skb)->protocol = 0; in ipmr_cache_report()
1101 msg->im_vif = vifi; in ipmr_cache_report()
1102 msg->im_vif_hi = vifi >> 8; in ipmr_cache_report()
1104 memcpy(skb->cb, pkt->cb, sizeof(skb->cb)); in ipmr_cache_report()
1107 igmp->type = assert; in ipmr_cache_report()
1108 msg->im_msgtype = assert; in ipmr_cache_report()
1109 igmp->code = 0; in ipmr_cache_report()
1110 ip_hdr(skb)->tot_len = htons(skb->len); /* Fix the length */ in ipmr_cache_report()
1111 skb->transport_header = skb->network_header; in ipmr_cache_report()
1138 list_for_each_entry(c, &mrt->mfc_unres_queue, _c.list) { in ipmr_cache_unresolved()
1139 if (c->mfc_mcastgrp == iph->daddr && in ipmr_cache_unresolved()
1140 c->mfc_origin == iph->saddr) { in ipmr_cache_unresolved()
1153 return -ENOBUFS; in ipmr_cache_unresolved()
1157 c->_c.mfc_parent = -1; in ipmr_cache_unresolved()
1158 c->mfc_origin = iph->saddr; in ipmr_cache_unresolved()
1159 c->mfc_mcastgrp = iph->daddr; in ipmr_cache_unresolved()
1166 out - Brad Parker in ipmr_cache_unresolved()
1175 atomic_inc(&mrt->cache_resolve_queue_len); in ipmr_cache_unresolved()
1176 list_add(&c->_c.list, &mrt->mfc_unres_queue); in ipmr_cache_unresolved()
1179 if (atomic_read(&mrt->cache_resolve_queue_len) == 1) in ipmr_cache_unresolved()
1180 mod_timer(&mrt->ipmr_expire_timer, in ipmr_cache_unresolved()
1181 c->_c.mfc_un.unres.expires); in ipmr_cache_unresolved()
1185 if (c->_c.mfc_un.unres.unresolved.qlen > 3) { in ipmr_cache_unresolved()
1187 err = -ENOBUFS; in ipmr_cache_unresolved()
1190 skb->dev = dev; in ipmr_cache_unresolved()
1191 skb->skb_iif = dev->ifindex; in ipmr_cache_unresolved()
1193 skb_queue_tail(&c->_c.mfc_un.unres.unresolved, skb); in ipmr_cache_unresolved()
1205 struct net *net = read_pnet(&mrt->net); in ipmr_mfc_delete()
1210 c = ipmr_cache_find_parent(mrt, mfc->mfcc_origin.s_addr, in ipmr_mfc_delete()
1211 mfc->mfcc_mcastgrp.s_addr, parent); in ipmr_mfc_delete()
1214 return -ENOENT; in ipmr_mfc_delete()
1215 rhltable_remove(&mrt->mfc_hash, &c->_c.mnode, ipmr_rht_params); in ipmr_mfc_delete()
1216 list_del_rcu(&c->_c.list); in ipmr_mfc_delete()
1217 call_ipmr_mfc_entry_notifiers(net, FIB_EVENT_ENTRY_DEL, c, mrt->id); in ipmr_mfc_delete()
1219 mr_cache_put(&c->_c); in ipmr_mfc_delete()
1232 if (mfc->mfcc_parent >= MAXVIFS) in ipmr_mfc_add()
1233 return -ENFILE; in ipmr_mfc_add()
1237 c = ipmr_cache_find_parent(mrt, mfc->mfcc_origin.s_addr, in ipmr_mfc_add()
1238 mfc->mfcc_mcastgrp.s_addr, parent); in ipmr_mfc_add()
1242 c->_c.mfc_parent = mfc->mfcc_parent; in ipmr_mfc_add()
1243 ipmr_update_thresholds(mrt, &c->_c, mfc->mfcc_ttls); in ipmr_mfc_add()
1245 c->_c.mfc_flags |= MFC_STATIC; in ipmr_mfc_add()
1248 mrt->id); in ipmr_mfc_add()
1253 if (mfc->mfcc_mcastgrp.s_addr != htonl(INADDR_ANY) && in ipmr_mfc_add()
1254 !ipv4_is_multicast(mfc->mfcc_mcastgrp.s_addr)) in ipmr_mfc_add()
1255 return -EINVAL; in ipmr_mfc_add()
1259 return -ENOMEM; in ipmr_mfc_add()
1261 c->mfc_origin = mfc->mfcc_origin.s_addr; in ipmr_mfc_add()
1262 c->mfc_mcastgrp = mfc->mfcc_mcastgrp.s_addr; in ipmr_mfc_add()
1263 c->_c.mfc_parent = mfc->mfcc_parent; in ipmr_mfc_add()
1264 ipmr_update_thresholds(mrt, &c->_c, mfc->mfcc_ttls); in ipmr_mfc_add()
1266 c->_c.mfc_flags |= MFC_STATIC; in ipmr_mfc_add()
1268 ret = rhltable_insert_key(&mrt->mfc_hash, &c->cmparg, &c->_c.mnode, in ipmr_mfc_add()
1275 list_add_tail_rcu(&c->_c.list, &mrt->mfc_cache_list); in ipmr_mfc_add()
1281 list_for_each_entry(_uc, &mrt->mfc_unres_queue, list) { in ipmr_mfc_add()
1283 if (uc->mfc_origin == c->mfc_origin && in ipmr_mfc_add()
1284 uc->mfc_mcastgrp == c->mfc_mcastgrp) { in ipmr_mfc_add()
1285 list_del(&_uc->list); in ipmr_mfc_add()
1286 atomic_dec(&mrt->cache_resolve_queue_len); in ipmr_mfc_add()
1291 if (list_empty(&mrt->mfc_unres_queue)) in ipmr_mfc_add()
1292 del_timer(&mrt->ipmr_expire_timer); in ipmr_mfc_add()
1299 call_ipmr_mfc_entry_notifiers(net, FIB_EVENT_ENTRY_ADD, c, mrt->id); in ipmr_mfc_add()
1307 struct net *net = read_pnet(&mrt->net); in mroute_clean_tables()
1315 for (i = 0; i < mrt->maxvif; i++) { in mroute_clean_tables()
1316 if (((mrt->vif_table[i].flags & VIFF_STATIC) && in mroute_clean_tables()
1318 (!(mrt->vif_table[i].flags & VIFF_STATIC) && !(flags & MRT_FLUSH_VIFS))) in mroute_clean_tables()
1327 list_for_each_entry_safe(c, tmp, &mrt->mfc_cache_list, list) { in mroute_clean_tables()
1328 if (((c->mfc_flags & MFC_STATIC) && !(flags & MRT_FLUSH_MFC_STATIC)) || in mroute_clean_tables()
1329 (!(c->mfc_flags & MFC_STATIC) && !(flags & MRT_FLUSH_MFC))) in mroute_clean_tables()
1331 rhltable_remove(&mrt->mfc_hash, &c->mnode, ipmr_rht_params); in mroute_clean_tables()
1332 list_del_rcu(&c->list); in mroute_clean_tables()
1335 mrt->id); in mroute_clean_tables()
1342 if (atomic_read(&mrt->cache_resolve_queue_len) != 0) { in mroute_clean_tables()
1344 list_for_each_entry_safe(c, tmp, &mrt->mfc_unres_queue, list) { in mroute_clean_tables()
1345 list_del(&c->list); in mroute_clean_tables()
1365 if (sk == rtnl_dereference(mrt->mroute_sk)) { in mrtsock_destruct()
1366 IPV4_DEVCONF_ALL(net, MC_FORWARDING)--; in mrtsock_destruct()
1370 net->ipv4.devconf_all); in mrtsock_destruct()
1371 RCU_INIT_POINTER(mrt->mroute_sk, NULL); in mrtsock_destruct()
1395 /* There's one exception to the lock - MRT_DONE which needs to unlock */ in ip_mroute_setsockopt()
1397 if (sk->sk_type != SOCK_RAW || in ip_mroute_setsockopt()
1398 inet_sk(sk)->inet_num != IPPROTO_IGMP) { in ip_mroute_setsockopt()
1399 ret = -EOPNOTSUPP; in ip_mroute_setsockopt()
1403 mrt = __ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ip_mroute_setsockopt()
1405 ret = -ENOENT; in ip_mroute_setsockopt()
1409 if (sk != rcu_access_pointer(mrt->mroute_sk) && in ip_mroute_setsockopt()
1410 !ns_capable(net->user_ns, CAP_NET_ADMIN)) { in ip_mroute_setsockopt()
1411 ret = -EACCES; in ip_mroute_setsockopt()
1419 ret = -EINVAL; in ip_mroute_setsockopt()
1422 if (rtnl_dereference(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1423 ret = -EADDRINUSE; in ip_mroute_setsockopt()
1429 rcu_assign_pointer(mrt->mroute_sk, sk); in ip_mroute_setsockopt()
1434 net->ipv4.devconf_all); in ip_mroute_setsockopt()
1438 if (sk != rcu_access_pointer(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1439 ret = -EACCES; in ip_mroute_setsockopt()
1453 ret = -EINVAL; in ip_mroute_setsockopt()
1457 ret = -EFAULT; in ip_mroute_setsockopt()
1461 ret = -ENFILE; in ip_mroute_setsockopt()
1466 sk == rtnl_dereference(mrt->mroute_sk)); in ip_mroute_setsockopt()
1476 parent = -1; in ip_mroute_setsockopt()
1481 ret = -EINVAL; in ip_mroute_setsockopt()
1485 ret = -EFAULT; in ip_mroute_setsockopt()
1494 sk == rtnl_dereference(mrt->mroute_sk), in ip_mroute_setsockopt()
1499 ret = -EINVAL; in ip_mroute_setsockopt()
1503 ret = -EFAULT; in ip_mroute_setsockopt()
1511 ret = -EINVAL; in ip_mroute_setsockopt()
1515 ret = -EFAULT; in ip_mroute_setsockopt()
1518 mrt->mroute_do_assert = val; in ip_mroute_setsockopt()
1522 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1526 ret = -EINVAL; in ip_mroute_setsockopt()
1530 ret = -EFAULT; in ip_mroute_setsockopt()
1536 if (val != mrt->mroute_do_pim) { in ip_mroute_setsockopt()
1537 mrt->mroute_do_pim = val; in ip_mroute_setsockopt()
1538 mrt->mroute_do_assert = val; in ip_mroute_setsockopt()
1539 mrt->mroute_do_wrvifwhole = do_wrvifwhole; in ip_mroute_setsockopt()
1544 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1548 ret = -EINVAL; in ip_mroute_setsockopt()
1552 ret = -EFAULT; in ip_mroute_setsockopt()
1556 if (sk == rtnl_dereference(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1557 ret = -EBUSY; in ip_mroute_setsockopt()
1563 raw_sk(sk)->ipmr_table = uval; in ip_mroute_setsockopt()
1568 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1607 if (sk->sk_type != SOCK_RAW || in ip_mroute_getsockopt()
1608 inet_sk(sk)->inet_num != IPPROTO_IGMP) in ip_mroute_getsockopt()
1609 return -EOPNOTSUPP; in ip_mroute_getsockopt()
1611 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ip_mroute_getsockopt()
1613 return -ENOENT; in ip_mroute_getsockopt()
1621 return -ENOPROTOOPT; in ip_mroute_getsockopt()
1622 val = mrt->mroute_do_pim; in ip_mroute_getsockopt()
1625 val = mrt->mroute_do_assert; in ip_mroute_getsockopt()
1628 return -ENOPROTOOPT; in ip_mroute_getsockopt()
1632 return -EFAULT; in ip_mroute_getsockopt()
1634 return -EINVAL; in ip_mroute_getsockopt()
1639 return -EFAULT; in ip_mroute_getsockopt()
1641 return -EFAULT; in ip_mroute_getsockopt()
1655 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ipmr_ioctl()
1657 return -ENOENT; in ipmr_ioctl()
1662 if (vr->vifi >= mrt->maxvif) in ipmr_ioctl()
1663 return -EINVAL; in ipmr_ioctl()
1664 vr->vifi = array_index_nospec(vr->vifi, mrt->maxvif); in ipmr_ioctl()
1666 vif = &mrt->vif_table[vr->vifi]; in ipmr_ioctl()
1667 if (VIF_EXISTS(mrt, vr->vifi)) { in ipmr_ioctl()
1668 vr->icount = READ_ONCE(vif->pkt_in); in ipmr_ioctl()
1669 vr->ocount = READ_ONCE(vif->pkt_out); in ipmr_ioctl()
1670 vr->ibytes = READ_ONCE(vif->bytes_in); in ipmr_ioctl()
1671 vr->obytes = READ_ONCE(vif->bytes_out); in ipmr_ioctl()
1677 return -EADDRNOTAVAIL; in ipmr_ioctl()
1682 c = ipmr_cache_find(mrt, sr->src.s_addr, sr->grp.s_addr); in ipmr_ioctl()
1684 sr->pktcnt = atomic_long_read(&c->_c.mfc_un.res.pkt); in ipmr_ioctl()
1685 sr->bytecnt = atomic_long_read(&c->_c.mfc_un.res.bytes); in ipmr_ioctl()
1686 sr->wrong_if = atomic_long_read(&c->_c.mfc_un.res.wrong_if); in ipmr_ioctl()
1691 return -EADDRNOTAVAIL; in ipmr_ioctl()
1693 return -ENOIOCTLCMD; in ipmr_ioctl()
1723 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ipmr_compat_ioctl()
1725 return -ENOENT; in ipmr_compat_ioctl()
1730 return -EFAULT; in ipmr_compat_ioctl()
1731 if (vr.vifi >= mrt->maxvif) in ipmr_compat_ioctl()
1732 return -EINVAL; in ipmr_compat_ioctl()
1733 vr.vifi = array_index_nospec(vr.vifi, mrt->maxvif); in ipmr_compat_ioctl()
1735 vif = &mrt->vif_table[vr.vifi]; in ipmr_compat_ioctl()
1737 vr.icount = READ_ONCE(vif->pkt_in); in ipmr_compat_ioctl()
1738 vr.ocount = READ_ONCE(vif->pkt_out); in ipmr_compat_ioctl()
1739 vr.ibytes = READ_ONCE(vif->bytes_in); in ipmr_compat_ioctl()
1740 vr.obytes = READ_ONCE(vif->bytes_out); in ipmr_compat_ioctl()
1744 return -EFAULT; in ipmr_compat_ioctl()
1748 return -EADDRNOTAVAIL; in ipmr_compat_ioctl()
1751 return -EFAULT; in ipmr_compat_ioctl()
1756 sr.pktcnt = atomic_long_read(&c->_c.mfc_un.res.pkt); in ipmr_compat_ioctl()
1757 sr.bytecnt = atomic_long_read(&c->_c.mfc_un.res.bytes); in ipmr_compat_ioctl()
1758 sr.wrong_if = atomic_long_read(&c->_c.mfc_un.res.wrong_if); in ipmr_compat_ioctl()
1762 return -EFAULT; in ipmr_compat_ioctl()
1766 return -EADDRNOTAVAIL; in ipmr_compat_ioctl()
1768 return -ENOIOCTLCMD; in ipmr_compat_ioctl()
1785 v = &mrt->vif_table[0]; in ipmr_device_event()
1786 for (ct = 0; ct < mrt->maxvif; ct++, v++) { in ipmr_device_event()
1787 if (rcu_access_pointer(v->dev) == dev) in ipmr_device_event()
1809 skb->transport_header = skb->network_header; in ip_encap()
1813 iph->version = 4; in ip_encap()
1814 iph->tos = old_iph->tos; in ip_encap()
1815 iph->ttl = old_iph->ttl; in ip_encap()
1816 iph->frag_off = 0; in ip_encap()
1817 iph->daddr = daddr; in ip_encap()
1818 iph->saddr = saddr; in ip_encap()
1819 iph->protocol = IPPROTO_IPIP; in ip_encap()
1820 iph->ihl = 5; in ip_encap()
1821 iph->tot_len = htons(skb->len); in ip_encap()
1825 memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); in ip_encap()
1832 struct ip_options *opt = &(IPCB(skb)->opt); in ipmr_forward_finish()
1836 if (unlikely(opt->optlen)) in ipmr_forward_finish()
1846 struct vif_device *out_vif = &mrt->vif_table[out_vifi]; in ipmr_forward_offloaded()
1847 struct vif_device *in_vif = &mrt->vif_table[in_vifi]; in ipmr_forward_offloaded()
1849 if (!skb->offload_l3_fwd_mark) in ipmr_forward_offloaded()
1851 if (!out_vif->dev_parent_id.id_len || !in_vif->dev_parent_id.id_len) in ipmr_forward_offloaded()
1853 return netdev_phys_item_id_same(&out_vif->dev_parent_id, in ipmr_forward_offloaded()
1854 &in_vif->dev_parent_id); in ipmr_forward_offloaded()
1870 struct vif_device *vif = &mrt->vif_table[vifi]; in ipmr_queue_xmit()
1881 if (vif->flags & VIFF_REGISTER) { in ipmr_queue_xmit()
1882 WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1); in ipmr_queue_xmit()
1883 WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len); in ipmr_queue_xmit()
1884 DEV_STATS_ADD(vif_dev, tx_bytes, skb->len); in ipmr_queue_xmit()
1893 if (vif->flags & VIFF_TUNNEL) { in ipmr_queue_xmit()
1895 vif->remote, vif->local, in ipmr_queue_xmit()
1898 iph->tos & INET_DSCP_MASK, vif->link); in ipmr_queue_xmit()
1903 rt = ip_route_output_ports(net, &fl4, NULL, iph->daddr, 0, in ipmr_queue_xmit()
1906 iph->tos & INET_DSCP_MASK, vif->link); in ipmr_queue_xmit()
1911 dev = rt->dst.dev; in ipmr_queue_xmit()
1913 if (skb->len+encap > dst_mtu(&rt->dst) && (ntohs(iph->frag_off) & IP_DF)) { in ipmr_queue_xmit()
1923 encap += LL_RESERVED_SPACE(dev) + rt->dst.header_len; in ipmr_queue_xmit()
1930 WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1); in ipmr_queue_xmit()
1931 WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len); in ipmr_queue_xmit()
1934 skb_dst_set(skb, &rt->dst); in ipmr_queue_xmit()
1938 * What do we do with netfilter? -- RR in ipmr_queue_xmit()
1940 if (vif->flags & VIFF_TUNNEL) { in ipmr_queue_xmit()
1941 ip_encap(net, skb, vif->local, vif->remote); in ipmr_queue_xmit()
1942 /* FIXME: extra output firewall step used to be here. --RR */ in ipmr_queue_xmit()
1944 DEV_STATS_ADD(vif_dev, tx_bytes, skb->len); in ipmr_queue_xmit()
1947 IPCB(skb)->flags |= IPSKB_FORWARDED; in ipmr_queue_xmit()
1956 * not mrouter) cannot join to more than one interface - it will in ipmr_queue_xmit()
1960 net, NULL, skb, skb->dev, dev, in ipmr_queue_xmit()
1973 for (ct = READ_ONCE(mrt->maxvif) - 1; ct >= 0; ct--) { in ipmr_find_vif()
1974 if (rcu_access_pointer(mrt->vif_table[ct].dev) == dev) in ipmr_find_vif()
1987 int psend = -1; in ip_mr_forward()
1990 vif = c->_c.mfc_parent; in ip_mr_forward()
1991 atomic_long_inc(&c->_c.mfc_un.res.pkt); in ip_mr_forward()
1992 atomic_long_add(skb->len, &c->_c.mfc_un.res.bytes); in ip_mr_forward()
1993 WRITE_ONCE(c->_c.mfc_un.res.lastuse, jiffies); in ip_mr_forward()
1995 if (c->mfc_origin == htonl(INADDR_ANY) && true_vifi >= 0) { in ip_mr_forward()
2003 cache_proxy->_c.mfc_un.res.ttls[true_vifi] < 255) in ip_mr_forward()
2008 if (rcu_access_pointer(mrt->vif_table[vif].dev) != dev) { in ip_mr_forward()
2019 * idea to use multicasting applications on router. in ip_mr_forward()
2024 atomic_long_inc(&c->_c.mfc_un.res.wrong_if); in ip_mr_forward()
2026 if (true_vifi >= 0 && mrt->mroute_do_assert && in ip_mr_forward()
2030 * large chunk of pimd to kernel. Ough... --ANK in ip_mr_forward()
2032 (mrt->mroute_do_pim || in ip_mr_forward()
2033 c->_c.mfc_un.res.ttls[true_vifi] < 255) && in ip_mr_forward()
2035 c->_c.mfc_un.res.last_assert + in ip_mr_forward()
2037 c->_c.mfc_un.res.last_assert = jiffies; in ip_mr_forward()
2039 if (mrt->mroute_do_wrvifwhole) in ip_mr_forward()
2047 WRITE_ONCE(mrt->vif_table[vif].pkt_in, in ip_mr_forward()
2048 mrt->vif_table[vif].pkt_in + 1); in ip_mr_forward()
2049 WRITE_ONCE(mrt->vif_table[vif].bytes_in, in ip_mr_forward()
2050 mrt->vif_table[vif].bytes_in + skb->len); in ip_mr_forward()
2053 if (c->mfc_origin == htonl(INADDR_ANY) && in ip_mr_forward()
2054 c->mfc_mcastgrp == htonl(INADDR_ANY)) { in ip_mr_forward()
2056 true_vifi != c->_c.mfc_parent && in ip_mr_forward()
2057 ip_hdr(skb)->ttl > in ip_mr_forward()
2058 c->_c.mfc_un.res.ttls[c->_c.mfc_parent]) { in ip_mr_forward()
2063 psend = c->_c.mfc_parent; in ip_mr_forward()
2068 for (ct = c->_c.mfc_un.res.maxvif - 1; in ip_mr_forward()
2069 ct >= c->_c.mfc_un.res.minvif; ct--) { in ip_mr_forward()
2071 if ((c->mfc_origin != htonl(INADDR_ANY) || in ip_mr_forward()
2073 ip_hdr(skb)->ttl > c->_c.mfc_un.res.ttls[ct]) { in ip_mr_forward()
2074 if (psend != -1) { in ip_mr_forward()
2085 if (psend != -1) { in ip_mr_forward()
2108 .daddr = iph->daddr, in ipmr_rt_fib_lookup()
2109 .saddr = iph->saddr, in ipmr_rt_fib_lookup()
2112 skb->dev->ifindex : 0), in ipmr_rt_fib_lookup()
2115 skb->dev->ifindex), in ipmr_rt_fib_lookup()
2116 .flowi4_mark = skb->mark, in ipmr_rt_fib_lookup()
2133 struct net *net = dev_net(skb->dev); in ip_mr_input()
2134 int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL; in ip_mr_input()
2138 /* skb->dev passed in is the loX master dev for vrfs. in ip_mr_input()
2142 dev = skb->dev; in ip_mr_input()
2143 if (netif_is_l3_master(skb->dev)) { in ip_mr_input()
2144 dev = dev_get_by_index_rcu(net, IPCB(skb)->iif); in ip_mr_input()
2147 return -ENODEV; in ip_mr_input()
2154 if (IPCB(skb)->flags & IPSKB_FORWARDED) in ip_mr_input()
2163 if (IPCB(skb)->opt.router_alert) { in ip_mr_input()
2166 } else if (ip_hdr(skb)->protocol == IPPROTO_IGMP) { in ip_mr_input()
2175 mroute_sk = rcu_dereference(mrt->mroute_sk); in ip_mr_input()
2185 cache = ipmr_cache_find(mrt, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr); in ip_mr_input()
2190 cache = ipmr_cache_find_any(mrt, ip_hdr(skb)->daddr, in ip_mr_input()
2202 return -ENOBUFS; in ip_mr_input()
2210 return -ENODEV; in ip_mr_input()
2232 struct net *net = dev_net(skb->dev); in pim_rcv_v1()
2243 if (!mrt->mroute_do_pim || in pim_rcv_v1()
2244 pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER) in pim_rcv_v1()
2259 struct net *net = dev_net(skb->dev); in pim_rcv()
2266 if (pim->type != ((PIM_VERSION << 4) | (PIM_TYPE_REGISTER)) || in pim_rcv()
2267 (pim->flags & PIM_NULL_REGISTER) || in pim_rcv()
2269 csum_fold(skb_checksum(skb, 0, skb->len, 0)))) in pim_rcv()
2285 struct rtmsg *rtm, u32 portid) in ipmr_get_route() argument
2295 return -ENOENT; in ipmr_get_route()
2299 if (!cache && skb->dev) { in ipmr_get_route()
2300 int vif = ipmr_find_vif(mrt, skb->dev); in ipmr_get_route()
2309 int vif = -1; in ipmr_get_route()
2311 dev = skb->dev; in ipmr_get_route()
2316 return -ENODEV; in ipmr_get_route()
2322 return -ENOMEM; in ipmr_get_route()
2329 iph->ihl = sizeof(struct iphdr) >> 2; in ipmr_get_route()
2330 iph->saddr = saddr; in ipmr_get_route()
2331 iph->daddr = daddr; in ipmr_get_route()
2332 iph->version = 0; in ipmr_get_route()
2338 err = mr_fill_mroute(mrt, skb, &cache->_c, rtm); in ipmr_get_route()
2348 struct rtmsg *rtm; in ipmr_fill_mroute() local
2351 nlh = nlmsg_put(skb, portid, seq, cmd, sizeof(*rtm), flags); in ipmr_fill_mroute()
2353 return -EMSGSIZE; in ipmr_fill_mroute()
2355 rtm = nlmsg_data(nlh); in ipmr_fill_mroute()
2356 rtm->rtm_family = RTNL_FAMILY_IPMR; in ipmr_fill_mroute()
2357 rtm->rtm_dst_len = 32; in ipmr_fill_mroute()
2358 rtm->rtm_src_len = 32; in ipmr_fill_mroute()
2359 rtm->rtm_tos = 0; in ipmr_fill_mroute()
2360 rtm->rtm_table = mrt->id; in ipmr_fill_mroute()
2361 if (nla_put_u32(skb, RTA_TABLE, mrt->id)) in ipmr_fill_mroute()
2363 rtm->rtm_type = RTN_MULTICAST; in ipmr_fill_mroute()
2364 rtm->rtm_scope = RT_SCOPE_UNIVERSE; in ipmr_fill_mroute()
2365 if (c->_c.mfc_flags & MFC_STATIC) in ipmr_fill_mroute()
2366 rtm->rtm_protocol = RTPROT_STATIC; in ipmr_fill_mroute()
2368 rtm->rtm_protocol = RTPROT_MROUTED; in ipmr_fill_mroute()
2369 rtm->rtm_flags = 0; in ipmr_fill_mroute()
2371 if (nla_put_in_addr(skb, RTA_SRC, c->mfc_origin) || in ipmr_fill_mroute()
2372 nla_put_in_addr(skb, RTA_DST, c->mfc_mcastgrp)) in ipmr_fill_mroute()
2374 err = mr_fill_mroute(mrt, skb, &c->_c, rtm); in ipmr_fill_mroute()
2376 if (err < 0 && err != -ENOENT) in ipmr_fill_mroute()
2384 return -EMSGSIZE; in ipmr_fill_mroute()
2419 struct net *net = read_pnet(&mrt->net); in mroute_netlink_event()
2421 int err = -ENOBUFS; in mroute_netlink_event()
2423 skb = nlmsg_new(mroute_msgsize(mfc->_c.mfc_parent >= MAXVIFS, in mroute_netlink_event()
2424 mrt->maxvif), in mroute_netlink_event()
2459 struct net *net = read_pnet(&mrt->net); in igmpmsg_netlink_event()
2467 payloadlen = pkt->len - sizeof(struct igmpmsg); in igmpmsg_netlink_event()
2479 rtgenm->rtgen_family = RTNL_FAMILY_IPMR; in igmpmsg_netlink_event()
2480 if (nla_put_u8(skb, IPMRA_CREPORT_MSGTYPE, msg->im_msgtype) || in igmpmsg_netlink_event()
2481 nla_put_u32(skb, IPMRA_CREPORT_VIF_ID, msg->im_vif | (msg->im_vif_hi << 8)) || in igmpmsg_netlink_event()
2483 msg->im_src.s_addr) || in igmpmsg_netlink_event()
2485 msg->im_dst.s_addr) || in igmpmsg_netlink_event()
2486 nla_put_u32(skb, IPMRA_CREPORT_TABLE, mrt->id)) in igmpmsg_netlink_event()
2503 rtnl_set_sk_err(net, RTNLGRP_IPV4_MROUTE_R, -ENOBUFS); in igmpmsg_netlink_event()
2511 struct rtmsg *rtm; in ipmr_rtm_valid_getroute_req() local
2514 if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*rtm))) { in ipmr_rtm_valid_getroute_req()
2516 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2520 return nlmsg_parse_deprecated(nlh, sizeof(*rtm), tb, RTA_MAX, in ipmr_rtm_valid_getroute_req()
2523 rtm = nlmsg_data(nlh); in ipmr_rtm_valid_getroute_req()
2524 if ((rtm->rtm_src_len && rtm->rtm_src_len != 32) || in ipmr_rtm_valid_getroute_req()
2525 (rtm->rtm_dst_len && rtm->rtm_dst_len != 32) || in ipmr_rtm_valid_getroute_req()
2526 rtm->rtm_tos || rtm->rtm_table || rtm->rtm_protocol || in ipmr_rtm_valid_getroute_req()
2527 rtm->rtm_scope || rtm->rtm_type || rtm->rtm_flags) { in ipmr_rtm_valid_getroute_req()
2529 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2532 err = nlmsg_parse_deprecated_strict(nlh, sizeof(*rtm), tb, RTA_MAX, in ipmr_rtm_valid_getroute_req()
2537 if ((tb[RTA_SRC] && !rtm->rtm_src_len) || in ipmr_rtm_valid_getroute_req()
2538 (tb[RTA_DST] && !rtm->rtm_dst_len)) { in ipmr_rtm_valid_getroute_req()
2540 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2554 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2564 struct net *net = sock_net(in_skb->sk); in ipmr_rtm_getroute()
2583 err = -ENOENT; in ipmr_rtm_getroute()
2592 err = -ENOENT; in ipmr_rtm_getroute()
2596 skb = nlmsg_new(mroute_msgsize(false, mrt->maxvif), GFP_KERNEL); in ipmr_rtm_getroute()
2598 err = -ENOBUFS; in ipmr_rtm_getroute()
2603 nlh->nlmsg_seq, cache, in ipmr_rtm_getroute()
2625 if (cb->strict_check) { in ipmr_rtm_dumproute()
2626 err = ip_valid_fib_dump_req(sock_net(skb->sk), cb->nlh, in ipmr_rtm_dumproute()
2635 mrt = __ipmr_get_table(sock_net(skb->sk), filter.table_id); in ipmr_rtm_dumproute()
2637 if (rtnl_msg_family(cb->nlh) != RTNL_FAMILY_IPMR) in ipmr_rtm_dumproute()
2638 return skb->len; in ipmr_rtm_dumproute()
2640 NL_SET_ERR_MSG(cb->extack, "ipv4: MR table does not exist"); in ipmr_rtm_dumproute()
2641 return -ENOENT; in ipmr_rtm_dumproute()
2645 return skb->len ? : err; in ipmr_rtm_dumproute()
2676 mfcc->mfcc_ttls[vifi] = rtnh->rtnh_hops; in ipmr_nla_get_ttls()
2682 return remaining > 0 ? -EINVAL : vifi; in ipmr_nla_get_ttls()
2695 struct rtmsg *rtm; in rtm_to_ipmr_mfcc() local
2698 ret = nlmsg_validate_deprecated(nlh, sizeof(*rtm), RTA_MAX, in rtm_to_ipmr_mfcc()
2702 rtm = nlmsg_data(nlh); in rtm_to_ipmr_mfcc()
2704 ret = -EINVAL; in rtm_to_ipmr_mfcc()
2705 if (rtm->rtm_family != RTNL_FAMILY_IPMR || rtm->rtm_dst_len != 32 || in rtm_to_ipmr_mfcc()
2706 rtm->rtm_type != RTN_MULTICAST || in rtm_to_ipmr_mfcc()
2707 rtm->rtm_scope != RT_SCOPE_UNIVERSE || in rtm_to_ipmr_mfcc()
2708 !ipmr_rtm_validate_proto(rtm->rtm_protocol)) in rtm_to_ipmr_mfcc()
2712 mfcc->mfcc_parent = -1; in rtm_to_ipmr_mfcc()
2717 mfcc->mfcc_origin.s_addr = nla_get_be32(attr); in rtm_to_ipmr_mfcc()
2720 mfcc->mfcc_mcastgrp.s_addr = nla_get_be32(attr); in rtm_to_ipmr_mfcc()
2725 ret = -ENODEV; in rtm_to_ipmr_mfcc()
2731 ret = -EINVAL; in rtm_to_ipmr_mfcc()
2745 ret = -ENOENT; in rtm_to_ipmr_mfcc()
2749 *mrtsock = rtm->rtm_protocol == RTPROT_MROUTED ? 1 : 0; in rtm_to_ipmr_mfcc()
2751 mfcc->mfcc_parent = ipmr_find_vif(mrt, dev); in rtm_to_ipmr_mfcc()
2761 struct net *net = sock_net(skb->sk); in ipmr_rtm_route()
2772 parent = ret ? mfcc.mfcc_parent : -1; in ipmr_rtm_route()
2773 if (nlh->nlmsg_type == RTM_NEWROUTE) in ipmr_rtm_route()
2781 u32 queue_len = atomic_read(&mrt->cache_resolve_queue_len); in ipmr_fill_table()
2783 if (nla_put_u32(skb, IPMRA_TABLE_ID, mrt->id) || in ipmr_fill_table()
2786 mrt->mroute_reg_vif_num) || in ipmr_fill_table()
2788 mrt->mroute_do_assert) || in ipmr_fill_table()
2789 nla_put_u8(skb, IPMRA_TABLE_MROUTE_DO_PIM, mrt->mroute_do_pim) || in ipmr_fill_table()
2791 mrt->mroute_do_wrvifwhole)) in ipmr_fill_table()
2803 vif = &mrt->vif_table[vifid]; in ipmr_fill_vif()
2804 vif_dev = rtnl_dereference(vif->dev); in ipmr_fill_vif()
2813 if (nla_put_u32(skb, IPMRA_VIFA_IFINDEX, vif_dev->ifindex) || in ipmr_fill_vif()
2815 nla_put_u16(skb, IPMRA_VIFA_FLAGS, vif->flags) || in ipmr_fill_vif()
2816 nla_put_u64_64bit(skb, IPMRA_VIFA_BYTES_IN, vif->bytes_in, in ipmr_fill_vif()
2818 nla_put_u64_64bit(skb, IPMRA_VIFA_BYTES_OUT, vif->bytes_out, in ipmr_fill_vif()
2820 nla_put_u64_64bit(skb, IPMRA_VIFA_PACKETS_IN, vif->pkt_in, in ipmr_fill_vif()
2822 nla_put_u64_64bit(skb, IPMRA_VIFA_PACKETS_OUT, vif->pkt_out, in ipmr_fill_vif()
2824 nla_put_be32(skb, IPMRA_VIFA_LOCAL_ADDR, vif->local) || in ipmr_fill_vif()
2825 nla_put_be32(skb, IPMRA_VIFA_REMOTE_ADDR, vif->remote)) { in ipmr_fill_vif()
2839 if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ifm))) { in ipmr_valid_dumplink()
2841 return -EINVAL; in ipmr_valid_dumplink()
2846 return -EINVAL; in ipmr_valid_dumplink()
2850 if (ifm->__ifi_pad || ifm->ifi_type || ifm->ifi_flags || in ipmr_valid_dumplink()
2851 ifm->ifi_change || ifm->ifi_index) { in ipmr_valid_dumplink()
2853 return -EINVAL; in ipmr_valid_dumplink()
2861 struct net *net = sock_net(skb->sk); in ipmr_rtm_dumplink()
2867 if (cb->strict_check) { in ipmr_rtm_dumplink()
2868 int err = ipmr_valid_dumplink(cb->nlh, cb->extack); in ipmr_rtm_dumplink()
2874 s_t = cb->args[0]; in ipmr_rtm_dumplink()
2875 s_e = cb->args[1]; in ipmr_rtm_dumplink()
2884 nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, in ipmr_rtm_dumplink()
2885 cb->nlh->nlmsg_seq, RTM_NEWLINK, in ipmr_rtm_dumplink()
2892 hdr->ifi_family = RTNL_FAMILY_IPMR; in ipmr_rtm_dumplink()
2911 for (i = 0; i < mrt->maxvif; i++) { in ipmr_rtm_dumplink()
2933 cb->args[1] = e; in ipmr_rtm_dumplink()
2934 cb->args[0] = t; in ipmr_rtm_dumplink()
2936 return skb->len; in ipmr_rtm_dumplink()
2947 struct mr_vif_iter *iter = seq->private; in ipmr_vif_seq_start()
2955 return ERR_PTR(-ENOENT); in ipmr_vif_seq_start()
2958 iter->mrt = mrt; in ipmr_vif_seq_start()
2971 struct mr_vif_iter *iter = seq->private; in ipmr_vif_seq_show()
2972 struct mr_table *mrt = iter->mrt; in ipmr_vif_seq_show()
2983 name = vif_dev ? vif_dev->name : "none"; in ipmr_vif_seq_show()
2985 "%2td %-10s %8ld %7ld %8ld %7ld %05X %08X %08X\n", in ipmr_vif_seq_show()
2986 vif - mrt->vif_table, in ipmr_vif_seq_show()
2987 name, vif->bytes_in, vif->pkt_in, in ipmr_vif_seq_show()
2988 vif->bytes_out, vif->pkt_out, in ipmr_vif_seq_show()
2989 vif->flags, vif->local, vif->remote); in ipmr_vif_seq_show()
3008 return ERR_PTR(-ENOENT); in ipmr_mfc_seq_start()
3022 const struct mr_mfc_iter *it = seq->private; in ipmr_mfc_seq_show()
3023 const struct mr_table *mrt = it->mrt; in ipmr_mfc_seq_show()
3025 seq_printf(seq, "%08X %08X %-3hd", in ipmr_mfc_seq_show()
3026 (__force u32) mfc->mfc_mcastgrp, in ipmr_mfc_seq_show()
3027 (__force u32) mfc->mfc_origin, in ipmr_mfc_seq_show()
3028 mfc->_c.mfc_parent); in ipmr_mfc_seq_show()
3030 if (it->cache != &mrt->mfc_unres_queue) { in ipmr_mfc_seq_show()
3032 atomic_long_read(&mfc->_c.mfc_un.res.pkt), in ipmr_mfc_seq_show()
3033 atomic_long_read(&mfc->_c.mfc_un.res.bytes), in ipmr_mfc_seq_show()
3034 atomic_long_read(&mfc->_c.mfc_un.res.wrong_if)); in ipmr_mfc_seq_show()
3035 for (n = mfc->_c.mfc_un.res.minvif; in ipmr_mfc_seq_show()
3036 n < mfc->_c.mfc_un.res.maxvif; n++) { in ipmr_mfc_seq_show()
3038 mfc->_c.mfc_un.res.ttls[n] < 255) in ipmr_mfc_seq_show()
3040 " %2d:%-3d", in ipmr_mfc_seq_show()
3041 n, mfc->_c.mfc_un.res.ttls[n]); in ipmr_mfc_seq_show()
3070 return READ_ONCE(net->ipv4.ipmr_seq) + ipmr_rules_seq_read(net); in ipmr_seq_read()
3091 net->ipv4.ipmr_seq = 0; in ipmr_notifier_init()
3096 net->ipv4.ipmr_notifier_ops = ops; in ipmr_notifier_init()
3103 fib_notifier_ops_unregister(net->ipv4.ipmr_notifier_ops); in ipmr_notifier_exit()
3104 net->ipv4.ipmr_notifier_ops = NULL; in ipmr_notifier_exit()
3121 err = -ENOMEM; in ipmr_net_init()
3122 if (!proc_create_net("ip_mr_vif", 0, net->proc_net, &ipmr_vif_seq_ops, in ipmr_net_init()
3125 if (!proc_create_net("ip_mr_cache", 0, net->proc_net, &ipmr_mfc_seq_ops, in ipmr_net_init()
3133 remove_proc_entry("ip_mr_vif", net->proc_net); in ipmr_net_init()
3148 remove_proc_entry("ip_mr_cache", net->proc_net); in ipmr_net_exit()
3149 remove_proc_entry("ip_mr_vif", net->proc_net); in ipmr_net_exit()
3197 err = -EAGAIN; in ip_mr_init()