Lines Matching +full:use +full:- +full:rtm
1 // SPDX-License-Identifier: GPL-2.0-or-later
84 return rcu_dereference(vif->dev); in vif_dev_read()
118 list_for_each_entry_rcu(mrt, &net->ipv4.mr_tables, list, \
120 list_empty(&net->ipv4.mr_tables))
128 ret = list_entry_rcu(net->ipv4.mr_tables.next, in ipmr_mr_table_iter()
131 ret = list_entry_rcu(mrt->list.next, in ipmr_mr_table_iter()
134 if (&ret->list == &net->ipv4.mr_tables) in ipmr_mr_table_iter()
144 if (mrt->id == id) in __ipmr_get_table()
173 err = fib_rules_lookup(net->ipv4.mr_rules_ops, in ipmr_fib_lookup()
184 struct ipmr_result *res = arg->result; in ipmr_rule_action()
187 switch (rule->action) { in ipmr_rule_action()
191 return -ENETUNREACH; in ipmr_rule_action()
193 return -EACCES; in ipmr_rule_action()
196 return -EINVAL; in ipmr_rule_action()
199 arg->table = fib_rule_get_table(rule, arg); in ipmr_rule_action()
201 mrt = __ipmr_get_table(rule->fr_net, arg->table); in ipmr_rule_action()
203 return -EAGAIN; in ipmr_rule_action()
204 res->mrt = mrt; in ipmr_rule_action()
229 frh->dst_len = 0; in ipmr_rule_fill()
230 frh->src_len = 0; in ipmr_rule_fill()
231 frh->tos = 0; in ipmr_rule_fill()
258 INIT_LIST_HEAD(&net->ipv4.mr_tables); in ipmr_rules_init()
270 net->ipv4.mr_rules_ops = ops; in ipmr_rules_init()
287 list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list) { in ipmr_rules_exit()
288 list_del(&mrt->list); in ipmr_rules_exit()
291 fib_rules_unregister(net->ipv4.mr_rules_ops); in ipmr_rules_exit()
307 return fib_rule_matchall(rule) && rule->table == RT_TABLE_DEFAULT; in ipmr_rule_default()
312 for (mrt = net->ipv4.mrt; mrt; mrt = NULL)
318 return net->ipv4.mrt; in ipmr_mr_table_iter()
324 return net->ipv4.mrt; in ipmr_get_table()
332 *mrt = net->ipv4.mrt; in ipmr_fib_lookup()
343 net->ipv4.mrt = mrt; in ipmr_rules_init()
350 ipmr_free_table(net->ipv4.mrt); in ipmr_rules_exit()
351 net->ipv4.mrt = NULL; in ipmr_rules_exit()
375 const struct mfc_cache_cmp_arg *cmparg = arg->key; in ipmr_hash_cmp()
378 return cmparg->mfc_mcastgrp != c->mfc_mcastgrp || in ipmr_hash_cmp()
379 cmparg->mfc_origin != c->mfc_origin; in ipmr_hash_cmp()
395 list_add_tail_rcu(&mrt->list, &net->ipv4.mr_tables); in ipmr_new_table_set()
415 return ERR_PTR(-EINVAL); in ipmr_new_table()
427 timer_shutdown_sync(&mrt->ipmr_expire_timer); in ipmr_free_table()
430 rhltable_destroy(&mrt->mfc_hash); in ipmr_free_table()
447 neigh_parms_data_state_setall(in_dev->arp_parms); in ipmr_init_vif_indev()
448 IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0; in ipmr_init_vif_indev()
463 p.iph.daddr = v->vifc_rmt_addr.s_addr; in ipmr_new_tunnel()
464 p.iph.saddr = v->vifc_lcl_addr.s_addr; in ipmr_new_tunnel()
468 sprintf(p.name, "dvmrp%d", v->vifc_vifi); in ipmr_new_tunnel()
470 if (!tunnel_dev->netdev_ops->ndo_tunnel_ctl) in ipmr_new_tunnel()
472 err = tunnel_dev->netdev_ops->ndo_tunnel_ctl(tunnel_dev, &p, in ipmr_new_tunnel()
481 new_dev->flags |= IFF_MULTICAST; in ipmr_new_tunnel()
490 tunnel_dev->netdev_ops->ndo_tunnel_ctl(tunnel_dev, &p, in ipmr_new_tunnel()
500 return ERR_PTR(-ENOBUFS); in ipmr_new_tunnel()
509 .flowi4_oif = dev->ifindex, in reg_vif_xmit()
510 .flowi4_iif = skb->skb_iif ? : LOOPBACK_IFINDEX, in reg_vif_xmit()
511 .flowi4_mark = skb->mark, in reg_vif_xmit()
521 DEV_STATS_ADD(dev, tx_bytes, skb->len); in reg_vif_xmit()
526 ipmr_cache_report(mrt, skb, READ_ONCE(mrt->mroute_reg_vif_num), in reg_vif_xmit()
546 dev->type = ARPHRD_PIMREG; in reg_vif_setup()
547 dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr) - 8; in reg_vif_setup()
548 dev->flags = IFF_NOARP; in reg_vif_setup()
549 dev->netdev_ops = ®_vif_netdev_ops; in reg_vif_setup()
550 dev->needs_free_netdev = true; in reg_vif_setup()
551 dev->features |= NETIF_F_NETNS_LOCAL; in reg_vif_setup()
559 if (mrt->id == RT_TABLE_DEFAULT) in ipmr_reg_vif()
562 sprintf(name, "pimreg%u", mrt->id); in ipmr_reg_vif()
601 * b. packet is not a NULL-REGISTER in __pim_rcv()
604 if (!ipv4_is_multicast(encap->daddr) || in __pim_rcv()
605 encap->tot_len == 0 || in __pim_rcv()
606 ntohs(encap->tot_len) + pimlen > skb->len) in __pim_rcv()
610 vif_num = READ_ONCE(mrt->mroute_reg_vif_num); in __pim_rcv()
612 reg_dev = vif_dev_read(&mrt->vif_table[vif_num]); in __pim_rcv()
616 skb->mac_header = skb->network_header; in __pim_rcv()
617 skb_pull(skb, (u8 *)encap - skb->data); in __pim_rcv()
619 skb->protocol = htons(ETH_P_IP); in __pim_rcv()
620 skb->ip_summed = CHECKSUM_NONE; in __pim_rcv()
643 &net->ipv4.ipmr_seq); in call_ipmr_vif_entry_notifiers()
651 &mfc->_c, tb_id, &net->ipv4.ipmr_seq); in call_ipmr_mfc_entry_notifiers()
655 * vif_delete - Delete a VIF entry
664 struct net *net = read_pnet(&mrt->net); in vif_delete()
669 if (vifi < 0 || vifi >= mrt->maxvif) in vif_delete()
670 return -EADDRNOTAVAIL; in vif_delete()
672 v = &mrt->vif_table[vifi]; in vif_delete()
674 dev = rtnl_dereference(v->dev); in vif_delete()
676 return -EADDRNOTAVAIL; in vif_delete()
680 vifi, mrt->id); in vif_delete()
681 RCU_INIT_POINTER(v->dev, NULL); in vif_delete()
683 if (vifi == mrt->mroute_reg_vif_num) { in vif_delete()
685 WRITE_ONCE(mrt->mroute_reg_vif_num, -1); in vif_delete()
687 if (vifi + 1 == mrt->maxvif) { in vif_delete()
690 for (tmp = vifi - 1; tmp >= 0; tmp--) { in vif_delete()
694 WRITE_ONCE(mrt->maxvif, tmp + 1); in vif_delete()
699 dev_set_allmulti(dev, -1); in vif_delete()
703 IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)--; in vif_delete()
706 dev->ifindex, &in_dev->cnf); in vif_delete()
710 if (v->flags & (VIFF_TUNNEL | VIFF_REGISTER) && !notify) in vif_delete()
713 netdev_put(dev, &v->dev_tracker); in vif_delete()
726 call_rcu(&c->_c.rcu, ipmr_cache_free_rcu); in ipmr_cache_free()
734 struct net *net = read_pnet(&mrt->net); in ipmr_destroy_unres()
738 atomic_dec(&mrt->cache_resolve_queue_len); in ipmr_destroy_unres()
740 while ((skb = skb_dequeue(&c->_c.mfc_un.unres.unresolved))) { in ipmr_destroy_unres()
741 if (ip_hdr(skb)->version == 0) { in ipmr_destroy_unres()
744 nlh->nlmsg_type = NLMSG_ERROR; in ipmr_destroy_unres()
745 nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); in ipmr_destroy_unres()
746 skb_trim(skb, nlh->nlmsg_len); in ipmr_destroy_unres()
748 e->error = -ETIMEDOUT; in ipmr_destroy_unres()
749 memset(&e->msg, 0, sizeof(e->msg)); in ipmr_destroy_unres()
769 mod_timer(&mrt->ipmr_expire_timer, jiffies+HZ/10); in ipmr_expire_process()
773 if (list_empty(&mrt->mfc_unres_queue)) in ipmr_expire_process()
779 list_for_each_entry_safe(c, next, &mrt->mfc_unres_queue, list) { in ipmr_expire_process()
780 if (time_after(c->mfc_un.unres.expires, now)) { in ipmr_expire_process()
781 unsigned long interval = c->mfc_un.unres.expires - now; in ipmr_expire_process()
787 list_del(&c->list); in ipmr_expire_process()
792 if (!list_empty(&mrt->mfc_unres_queue)) in ipmr_expire_process()
793 mod_timer(&mrt->ipmr_expire_timer, jiffies + expires); in ipmr_expire_process()
805 cache->mfc_un.res.minvif = MAXVIFS; in ipmr_update_thresholds()
806 cache->mfc_un.res.maxvif = 0; in ipmr_update_thresholds()
807 memset(cache->mfc_un.res.ttls, 255, MAXVIFS); in ipmr_update_thresholds()
809 for (vifi = 0; vifi < mrt->maxvif; vifi++) { in ipmr_update_thresholds()
812 cache->mfc_un.res.ttls[vifi] = ttls[vifi]; in ipmr_update_thresholds()
813 if (cache->mfc_un.res.minvif > vifi) in ipmr_update_thresholds()
814 cache->mfc_un.res.minvif = vifi; in ipmr_update_thresholds()
815 if (cache->mfc_un.res.maxvif <= vifi) in ipmr_update_thresholds()
816 cache->mfc_un.res.maxvif = vifi + 1; in ipmr_update_thresholds()
819 WRITE_ONCE(cache->mfc_un.res.lastuse, jiffies); in ipmr_update_thresholds()
826 int vifi = vifc->vifc_vifi; in vif_add()
827 struct vif_device *v = &mrt->vif_table[vifi]; in vif_add()
834 return -EADDRINUSE; in vif_add()
836 switch (vifc->vifc_flags) { in vif_add()
839 return -EINVAL; in vif_add()
843 if (mrt->mroute_reg_vif_num >= 0) in vif_add()
844 return -EADDRINUSE; in vif_add()
847 return -ENOBUFS; in vif_add()
862 if (vifc->vifc_flags == VIFF_USE_IFINDEX) { in vif_add()
863 dev = dev_get_by_index(net, vifc->vifc_lcl_ifindex); in vif_add()
866 return -EADDRNOTAVAIL; in vif_add()
869 dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr); in vif_add()
872 return -EADDRNOTAVAIL; in vif_add()
880 return -EINVAL; in vif_add()
886 return -EADDRNOTAVAIL; in vif_add()
888 IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++; in vif_add()
890 dev->ifindex, &in_dev->cnf); in vif_add()
894 vif_device_init(v, dev, vifc->vifc_rate_limit, in vif_add()
895 vifc->vifc_threshold, in vif_add()
896 vifc->vifc_flags | (!mrtsock ? VIFF_STATIC : 0), in vif_add()
901 memcpy(v->dev_parent_id.id, ppid.id, ppid.id_len); in vif_add()
902 v->dev_parent_id.id_len = ppid.id_len; in vif_add()
904 v->dev_parent_id.id_len = 0; in vif_add()
907 v->local = vifc->vifc_lcl_addr.s_addr; in vif_add()
908 v->remote = vifc->vifc_rmt_addr.s_addr; in vif_add()
912 rcu_assign_pointer(v->dev, dev); in vif_add()
913 netdev_tracker_alloc(dev, &v->dev_tracker, GFP_ATOMIC); in vif_add()
914 if (v->flags & VIFF_REGISTER) { in vif_add()
916 WRITE_ONCE(mrt->mroute_reg_vif_num, vifi); in vif_add()
918 if (vifi+1 > mrt->maxvif) in vif_add()
919 WRITE_ONCE(mrt->maxvif, vifi + 1); in vif_add()
922 vifi, mrt->id); in vif_add()
953 /* Look for a (S,G,iif) entry if parent != -1 */
972 c->_c.mfc_un.res.last_assert = jiffies - MFC_ASSERT_THRESH - 1; in ipmr_cache_alloc()
973 c->_c.mfc_un.res.minvif = MAXVIFS; in ipmr_cache_alloc()
974 c->_c.free = ipmr_cache_free_rcu; in ipmr_cache_alloc()
975 refcount_set(&c->_c.mfc_un.res.refcount, 1); in ipmr_cache_alloc()
985 skb_queue_head_init(&c->_c.mfc_un.unres.unresolved); in ipmr_cache_alloc_unres()
986 c->_c.mfc_un.unres.expires = jiffies + 10 * HZ; in ipmr_cache_alloc_unres()
999 while ((skb = __skb_dequeue(&uc->_c.mfc_un.unres.unresolved))) { in ipmr_cache_resolve()
1000 if (ip_hdr(skb)->version == 0) { in ipmr_cache_resolve()
1004 if (mr_fill_mroute(mrt, skb, &c->_c, in ipmr_cache_resolve()
1006 nlh->nlmsg_len = skb_tail_pointer(skb) - in ipmr_cache_resolve()
1009 nlh->nlmsg_type = NLMSG_ERROR; in ipmr_cache_resolve()
1010 nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); in ipmr_cache_resolve()
1011 skb_trim(skb, nlh->nlmsg_len); in ipmr_cache_resolve()
1013 e->error = -EMSGSIZE; in ipmr_cache_resolve()
1014 memset(&e->msg, 0, sizeof(e->msg)); in ipmr_cache_resolve()
1020 ip_mr_forward(net, mrt, skb->dev, skb, c, 0); in ipmr_cache_resolve()
1040 mroute_sk = rcu_dereference(mrt->mroute_sk); in ipmr_cache_report()
1042 return -EINVAL; in ipmr_cache_report()
1050 return -ENOBUFS; in ipmr_cache_report()
1055 * And all this only to mangle msg->im_msgtype and in ipmr_cache_report()
1056 * to set msg->im_mbz to "mbz" :-) in ipmr_cache_report()
1063 msg->im_msgtype = assert; in ipmr_cache_report()
1064 msg->im_mbz = 0; in ipmr_cache_report()
1066 msg->im_vif = vifi; in ipmr_cache_report()
1067 msg->im_vif_hi = vifi >> 8; in ipmr_cache_report()
1070 int vif_num = READ_ONCE(mrt->mroute_reg_vif_num); in ipmr_cache_report()
1072 msg->im_vif = vif_num; in ipmr_cache_report()
1073 msg->im_vif_hi = vif_num >> 8; in ipmr_cache_report()
1075 ip_hdr(skb)->ihl = sizeof(struct iphdr) >> 2; in ipmr_cache_report()
1076 ip_hdr(skb)->tot_len = htons(ntohs(ip_hdr(pkt)->tot_len) + in ipmr_cache_report()
1080 skb_set_network_header(skb, skb->len); in ipmr_cache_report()
1082 skb_copy_to_linear_data(skb, pkt->data, ihl); in ipmr_cache_report()
1084 ip_hdr(skb)->protocol = 0; in ipmr_cache_report()
1086 msg->im_vif = vifi; in ipmr_cache_report()
1087 msg->im_vif_hi = vifi >> 8; in ipmr_cache_report()
1089 memcpy(skb->cb, pkt->cb, sizeof(skb->cb)); in ipmr_cache_report()
1092 igmp->type = assert; in ipmr_cache_report()
1093 msg->im_msgtype = assert; in ipmr_cache_report()
1094 igmp->code = 0; in ipmr_cache_report()
1095 ip_hdr(skb)->tot_len = htons(skb->len); /* Fix the length */ in ipmr_cache_report()
1096 skb->transport_header = skb->network_header; in ipmr_cache_report()
1123 list_for_each_entry(c, &mrt->mfc_unres_queue, _c.list) { in ipmr_cache_unresolved()
1124 if (c->mfc_mcastgrp == iph->daddr && in ipmr_cache_unresolved()
1125 c->mfc_origin == iph->saddr) { in ipmr_cache_unresolved()
1138 return -ENOBUFS; in ipmr_cache_unresolved()
1142 c->_c.mfc_parent = -1; in ipmr_cache_unresolved()
1143 c->mfc_origin = iph->saddr; in ipmr_cache_unresolved()
1144 c->mfc_mcastgrp = iph->daddr; in ipmr_cache_unresolved()
1151 out - Brad Parker in ipmr_cache_unresolved()
1160 atomic_inc(&mrt->cache_resolve_queue_len); in ipmr_cache_unresolved()
1161 list_add(&c->_c.list, &mrt->mfc_unres_queue); in ipmr_cache_unresolved()
1164 if (atomic_read(&mrt->cache_resolve_queue_len) == 1) in ipmr_cache_unresolved()
1165 mod_timer(&mrt->ipmr_expire_timer, in ipmr_cache_unresolved()
1166 c->_c.mfc_un.unres.expires); in ipmr_cache_unresolved()
1170 if (c->_c.mfc_un.unres.unresolved.qlen > 3) { in ipmr_cache_unresolved()
1172 err = -ENOBUFS; in ipmr_cache_unresolved()
1175 skb->dev = dev; in ipmr_cache_unresolved()
1176 skb->skb_iif = dev->ifindex; in ipmr_cache_unresolved()
1178 skb_queue_tail(&c->_c.mfc_un.unres.unresolved, skb); in ipmr_cache_unresolved()
1190 struct net *net = read_pnet(&mrt->net); in ipmr_mfc_delete()
1195 c = ipmr_cache_find_parent(mrt, mfc->mfcc_origin.s_addr, in ipmr_mfc_delete()
1196 mfc->mfcc_mcastgrp.s_addr, parent); in ipmr_mfc_delete()
1199 return -ENOENT; in ipmr_mfc_delete()
1200 rhltable_remove(&mrt->mfc_hash, &c->_c.mnode, ipmr_rht_params); in ipmr_mfc_delete()
1201 list_del_rcu(&c->_c.list); in ipmr_mfc_delete()
1202 call_ipmr_mfc_entry_notifiers(net, FIB_EVENT_ENTRY_DEL, c, mrt->id); in ipmr_mfc_delete()
1204 mr_cache_put(&c->_c); in ipmr_mfc_delete()
1217 if (mfc->mfcc_parent >= MAXVIFS) in ipmr_mfc_add()
1218 return -ENFILE; in ipmr_mfc_add()
1222 c = ipmr_cache_find_parent(mrt, mfc->mfcc_origin.s_addr, in ipmr_mfc_add()
1223 mfc->mfcc_mcastgrp.s_addr, parent); in ipmr_mfc_add()
1227 c->_c.mfc_parent = mfc->mfcc_parent; in ipmr_mfc_add()
1228 ipmr_update_thresholds(mrt, &c->_c, mfc->mfcc_ttls); in ipmr_mfc_add()
1230 c->_c.mfc_flags |= MFC_STATIC; in ipmr_mfc_add()
1233 mrt->id); in ipmr_mfc_add()
1238 if (mfc->mfcc_mcastgrp.s_addr != htonl(INADDR_ANY) && in ipmr_mfc_add()
1239 !ipv4_is_multicast(mfc->mfcc_mcastgrp.s_addr)) in ipmr_mfc_add()
1240 return -EINVAL; in ipmr_mfc_add()
1244 return -ENOMEM; in ipmr_mfc_add()
1246 c->mfc_origin = mfc->mfcc_origin.s_addr; in ipmr_mfc_add()
1247 c->mfc_mcastgrp = mfc->mfcc_mcastgrp.s_addr; in ipmr_mfc_add()
1248 c->_c.mfc_parent = mfc->mfcc_parent; in ipmr_mfc_add()
1249 ipmr_update_thresholds(mrt, &c->_c, mfc->mfcc_ttls); in ipmr_mfc_add()
1251 c->_c.mfc_flags |= MFC_STATIC; in ipmr_mfc_add()
1253 ret = rhltable_insert_key(&mrt->mfc_hash, &c->cmparg, &c->_c.mnode, in ipmr_mfc_add()
1260 list_add_tail_rcu(&c->_c.list, &mrt->mfc_cache_list); in ipmr_mfc_add()
1266 list_for_each_entry(_uc, &mrt->mfc_unres_queue, list) { in ipmr_mfc_add()
1268 if (uc->mfc_origin == c->mfc_origin && in ipmr_mfc_add()
1269 uc->mfc_mcastgrp == c->mfc_mcastgrp) { in ipmr_mfc_add()
1270 list_del(&_uc->list); in ipmr_mfc_add()
1271 atomic_dec(&mrt->cache_resolve_queue_len); in ipmr_mfc_add()
1276 if (list_empty(&mrt->mfc_unres_queue)) in ipmr_mfc_add()
1277 del_timer(&mrt->ipmr_expire_timer); in ipmr_mfc_add()
1284 call_ipmr_mfc_entry_notifiers(net, FIB_EVENT_ENTRY_ADD, c, mrt->id); in ipmr_mfc_add()
1292 struct net *net = read_pnet(&mrt->net); in mroute_clean_tables()
1300 for (i = 0; i < mrt->maxvif; i++) { in mroute_clean_tables()
1301 if (((mrt->vif_table[i].flags & VIFF_STATIC) && in mroute_clean_tables()
1303 (!(mrt->vif_table[i].flags & VIFF_STATIC) && !(flags & MRT_FLUSH_VIFS))) in mroute_clean_tables()
1312 list_for_each_entry_safe(c, tmp, &mrt->mfc_cache_list, list) { in mroute_clean_tables()
1313 if (((c->mfc_flags & MFC_STATIC) && !(flags & MRT_FLUSH_MFC_STATIC)) || in mroute_clean_tables()
1314 (!(c->mfc_flags & MFC_STATIC) && !(flags & MRT_FLUSH_MFC))) in mroute_clean_tables()
1316 rhltable_remove(&mrt->mfc_hash, &c->mnode, ipmr_rht_params); in mroute_clean_tables()
1317 list_del_rcu(&c->list); in mroute_clean_tables()
1320 mrt->id); in mroute_clean_tables()
1327 if (atomic_read(&mrt->cache_resolve_queue_len) != 0) { in mroute_clean_tables()
1329 list_for_each_entry_safe(c, tmp, &mrt->mfc_unres_queue, list) { in mroute_clean_tables()
1330 list_del(&c->list); in mroute_clean_tables()
1350 if (sk == rtnl_dereference(mrt->mroute_sk)) { in mrtsock_destruct()
1351 IPV4_DEVCONF_ALL(net, MC_FORWARDING)--; in mrtsock_destruct()
1355 net->ipv4.devconf_all); in mrtsock_destruct()
1356 RCU_INIT_POINTER(mrt->mroute_sk, NULL); in mrtsock_destruct()
1380 /* There's one exception to the lock - MRT_DONE which needs to unlock */ in ip_mroute_setsockopt()
1382 if (sk->sk_type != SOCK_RAW || in ip_mroute_setsockopt()
1383 inet_sk(sk)->inet_num != IPPROTO_IGMP) { in ip_mroute_setsockopt()
1384 ret = -EOPNOTSUPP; in ip_mroute_setsockopt()
1388 mrt = __ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ip_mroute_setsockopt()
1390 ret = -ENOENT; in ip_mroute_setsockopt()
1394 if (sk != rcu_access_pointer(mrt->mroute_sk) && in ip_mroute_setsockopt()
1395 !ns_capable(net->user_ns, CAP_NET_ADMIN)) { in ip_mroute_setsockopt()
1396 ret = -EACCES; in ip_mroute_setsockopt()
1404 ret = -EINVAL; in ip_mroute_setsockopt()
1407 if (rtnl_dereference(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1408 ret = -EADDRINUSE; in ip_mroute_setsockopt()
1414 rcu_assign_pointer(mrt->mroute_sk, sk); in ip_mroute_setsockopt()
1419 net->ipv4.devconf_all); in ip_mroute_setsockopt()
1423 if (sk != rcu_access_pointer(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1424 ret = -EACCES; in ip_mroute_setsockopt()
1438 ret = -EINVAL; in ip_mroute_setsockopt()
1442 ret = -EFAULT; in ip_mroute_setsockopt()
1446 ret = -ENFILE; in ip_mroute_setsockopt()
1451 sk == rtnl_dereference(mrt->mroute_sk)); in ip_mroute_setsockopt()
1461 parent = -1; in ip_mroute_setsockopt()
1466 ret = -EINVAL; in ip_mroute_setsockopt()
1470 ret = -EFAULT; in ip_mroute_setsockopt()
1479 sk == rtnl_dereference(mrt->mroute_sk), in ip_mroute_setsockopt()
1484 ret = -EINVAL; in ip_mroute_setsockopt()
1488 ret = -EFAULT; in ip_mroute_setsockopt()
1496 ret = -EINVAL; in ip_mroute_setsockopt()
1500 ret = -EFAULT; in ip_mroute_setsockopt()
1503 mrt->mroute_do_assert = val; in ip_mroute_setsockopt()
1507 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1511 ret = -EINVAL; in ip_mroute_setsockopt()
1515 ret = -EFAULT; in ip_mroute_setsockopt()
1521 if (val != mrt->mroute_do_pim) { in ip_mroute_setsockopt()
1522 mrt->mroute_do_pim = val; in ip_mroute_setsockopt()
1523 mrt->mroute_do_assert = val; in ip_mroute_setsockopt()
1524 mrt->mroute_do_wrvifwhole = do_wrvifwhole; in ip_mroute_setsockopt()
1529 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1533 ret = -EINVAL; in ip_mroute_setsockopt()
1537 ret = -EFAULT; in ip_mroute_setsockopt()
1541 if (sk == rtnl_dereference(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1542 ret = -EBUSY; in ip_mroute_setsockopt()
1548 raw_sk(sk)->ipmr_table = uval; in ip_mroute_setsockopt()
1553 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1592 if (sk->sk_type != SOCK_RAW || in ip_mroute_getsockopt()
1593 inet_sk(sk)->inet_num != IPPROTO_IGMP) in ip_mroute_getsockopt()
1594 return -EOPNOTSUPP; in ip_mroute_getsockopt()
1596 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ip_mroute_getsockopt()
1598 return -ENOENT; in ip_mroute_getsockopt()
1606 return -ENOPROTOOPT; in ip_mroute_getsockopt()
1607 val = mrt->mroute_do_pim; in ip_mroute_getsockopt()
1610 val = mrt->mroute_do_assert; in ip_mroute_getsockopt()
1613 return -ENOPROTOOPT; in ip_mroute_getsockopt()
1617 return -EFAULT; in ip_mroute_getsockopt()
1619 return -EINVAL; in ip_mroute_getsockopt()
1624 return -EFAULT; in ip_mroute_getsockopt()
1626 return -EFAULT; in ip_mroute_getsockopt()
1640 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ipmr_ioctl()
1642 return -ENOENT; in ipmr_ioctl()
1647 if (vr->vifi >= mrt->maxvif) in ipmr_ioctl()
1648 return -EINVAL; in ipmr_ioctl()
1649 vr->vifi = array_index_nospec(vr->vifi, mrt->maxvif); in ipmr_ioctl()
1651 vif = &mrt->vif_table[vr->vifi]; in ipmr_ioctl()
1652 if (VIF_EXISTS(mrt, vr->vifi)) { in ipmr_ioctl()
1653 vr->icount = READ_ONCE(vif->pkt_in); in ipmr_ioctl()
1654 vr->ocount = READ_ONCE(vif->pkt_out); in ipmr_ioctl()
1655 vr->ibytes = READ_ONCE(vif->bytes_in); in ipmr_ioctl()
1656 vr->obytes = READ_ONCE(vif->bytes_out); in ipmr_ioctl()
1662 return -EADDRNOTAVAIL; in ipmr_ioctl()
1667 c = ipmr_cache_find(mrt, sr->src.s_addr, sr->grp.s_addr); in ipmr_ioctl()
1669 sr->pktcnt = atomic_long_read(&c->_c.mfc_un.res.pkt); in ipmr_ioctl()
1670 sr->bytecnt = atomic_long_read(&c->_c.mfc_un.res.bytes); in ipmr_ioctl()
1671 sr->wrong_if = atomic_long_read(&c->_c.mfc_un.res.wrong_if); in ipmr_ioctl()
1676 return -EADDRNOTAVAIL; in ipmr_ioctl()
1678 return -ENOIOCTLCMD; in ipmr_ioctl()
1708 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ipmr_compat_ioctl()
1710 return -ENOENT; in ipmr_compat_ioctl()
1715 return -EFAULT; in ipmr_compat_ioctl()
1716 if (vr.vifi >= mrt->maxvif) in ipmr_compat_ioctl()
1717 return -EINVAL; in ipmr_compat_ioctl()
1718 vr.vifi = array_index_nospec(vr.vifi, mrt->maxvif); in ipmr_compat_ioctl()
1720 vif = &mrt->vif_table[vr.vifi]; in ipmr_compat_ioctl()
1722 vr.icount = READ_ONCE(vif->pkt_in); in ipmr_compat_ioctl()
1723 vr.ocount = READ_ONCE(vif->pkt_out); in ipmr_compat_ioctl()
1724 vr.ibytes = READ_ONCE(vif->bytes_in); in ipmr_compat_ioctl()
1725 vr.obytes = READ_ONCE(vif->bytes_out); in ipmr_compat_ioctl()
1729 return -EFAULT; in ipmr_compat_ioctl()
1733 return -EADDRNOTAVAIL; in ipmr_compat_ioctl()
1736 return -EFAULT; in ipmr_compat_ioctl()
1741 sr.pktcnt = atomic_long_read(&c->_c.mfc_un.res.pkt); in ipmr_compat_ioctl()
1742 sr.bytecnt = atomic_long_read(&c->_c.mfc_un.res.bytes); in ipmr_compat_ioctl()
1743 sr.wrong_if = atomic_long_read(&c->_c.mfc_un.res.wrong_if); in ipmr_compat_ioctl()
1747 return -EFAULT; in ipmr_compat_ioctl()
1751 return -EADDRNOTAVAIL; in ipmr_compat_ioctl()
1753 return -ENOIOCTLCMD; in ipmr_compat_ioctl()
1770 v = &mrt->vif_table[0]; in ipmr_device_event()
1771 for (ct = 0; ct < mrt->maxvif; ct++, v++) { in ipmr_device_event()
1772 if (rcu_access_pointer(v->dev) == dev) in ipmr_device_event()
1794 skb->transport_header = skb->network_header; in ip_encap()
1798 iph->version = 4; in ip_encap()
1799 iph->tos = old_iph->tos; in ip_encap()
1800 iph->ttl = old_iph->ttl; in ip_encap()
1801 iph->frag_off = 0; in ip_encap()
1802 iph->daddr = daddr; in ip_encap()
1803 iph->saddr = saddr; in ip_encap()
1804 iph->protocol = IPPROTO_IPIP; in ip_encap()
1805 iph->ihl = 5; in ip_encap()
1806 iph->tot_len = htons(skb->len); in ip_encap()
1810 memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); in ip_encap()
1817 struct ip_options *opt = &(IPCB(skb)->opt); in ipmr_forward_finish()
1821 if (unlikely(opt->optlen)) in ipmr_forward_finish()
1831 struct vif_device *out_vif = &mrt->vif_table[out_vifi]; in ipmr_forward_offloaded()
1832 struct vif_device *in_vif = &mrt->vif_table[in_vifi]; in ipmr_forward_offloaded()
1834 if (!skb->offload_l3_fwd_mark) in ipmr_forward_offloaded()
1836 if (!out_vif->dev_parent_id.id_len || !in_vif->dev_parent_id.id_len) in ipmr_forward_offloaded()
1838 return netdev_phys_item_id_same(&out_vif->dev_parent_id, in ipmr_forward_offloaded()
1839 &in_vif->dev_parent_id); in ipmr_forward_offloaded()
1855 struct vif_device *vif = &mrt->vif_table[vifi]; in ipmr_queue_xmit()
1866 if (vif->flags & VIFF_REGISTER) { in ipmr_queue_xmit()
1867 WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1); in ipmr_queue_xmit()
1868 WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len); in ipmr_queue_xmit()
1869 DEV_STATS_ADD(vif_dev, tx_bytes, skb->len); in ipmr_queue_xmit()
1878 if (vif->flags & VIFF_TUNNEL) { in ipmr_queue_xmit()
1880 vif->remote, vif->local, in ipmr_queue_xmit()
1883 RT_TOS(iph->tos), vif->link); in ipmr_queue_xmit()
1888 rt = ip_route_output_ports(net, &fl4, NULL, iph->daddr, 0, in ipmr_queue_xmit()
1891 RT_TOS(iph->tos), vif->link); in ipmr_queue_xmit()
1896 dev = rt->dst.dev; in ipmr_queue_xmit()
1898 if (skb->len+encap > dst_mtu(&rt->dst) && (ntohs(iph->frag_off) & IP_DF)) { in ipmr_queue_xmit()
1908 encap += LL_RESERVED_SPACE(dev) + rt->dst.header_len; in ipmr_queue_xmit()
1915 WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1); in ipmr_queue_xmit()
1916 WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len); in ipmr_queue_xmit()
1919 skb_dst_set(skb, &rt->dst); in ipmr_queue_xmit()
1923 * What do we do with netfilter? -- RR in ipmr_queue_xmit()
1925 if (vif->flags & VIFF_TUNNEL) { in ipmr_queue_xmit()
1926 ip_encap(net, skb, vif->local, vif->remote); in ipmr_queue_xmit()
1927 /* FIXME: extra output firewall step used to be here. --RR */ in ipmr_queue_xmit()
1929 DEV_STATS_ADD(vif_dev, tx_bytes, skb->len); in ipmr_queue_xmit()
1932 IPCB(skb)->flags |= IPSKB_FORWARDED; in ipmr_queue_xmit()
1941 * not mrouter) cannot join to more than one interface - it will in ipmr_queue_xmit()
1945 net, NULL, skb, skb->dev, dev, in ipmr_queue_xmit()
1958 for (ct = READ_ONCE(mrt->maxvif) - 1; ct >= 0; ct--) { in ipmr_find_vif()
1959 if (rcu_access_pointer(mrt->vif_table[ct].dev) == dev) in ipmr_find_vif()
1972 int psend = -1; in ip_mr_forward()
1975 vif = c->_c.mfc_parent; in ip_mr_forward()
1976 atomic_long_inc(&c->_c.mfc_un.res.pkt); in ip_mr_forward()
1977 atomic_long_add(skb->len, &c->_c.mfc_un.res.bytes); in ip_mr_forward()
1978 WRITE_ONCE(c->_c.mfc_un.res.lastuse, jiffies); in ip_mr_forward()
1980 if (c->mfc_origin == htonl(INADDR_ANY) && true_vifi >= 0) { in ip_mr_forward()
1988 cache_proxy->_c.mfc_un.res.ttls[true_vifi] < 255) in ip_mr_forward()
1993 if (rcu_access_pointer(mrt->vif_table[vif].dev) != dev) { in ip_mr_forward()
2004 * idea to use multicasting applications on router. in ip_mr_forward()
2009 atomic_long_inc(&c->_c.mfc_un.res.wrong_if); in ip_mr_forward()
2011 if (true_vifi >= 0 && mrt->mroute_do_assert && in ip_mr_forward()
2015 * large chunk of pimd to kernel. Ough... --ANK in ip_mr_forward()
2017 (mrt->mroute_do_pim || in ip_mr_forward()
2018 c->_c.mfc_un.res.ttls[true_vifi] < 255) && in ip_mr_forward()
2020 c->_c.mfc_un.res.last_assert + in ip_mr_forward()
2022 c->_c.mfc_un.res.last_assert = jiffies; in ip_mr_forward()
2024 if (mrt->mroute_do_wrvifwhole) in ip_mr_forward()
2032 WRITE_ONCE(mrt->vif_table[vif].pkt_in, in ip_mr_forward()
2033 mrt->vif_table[vif].pkt_in + 1); in ip_mr_forward()
2034 WRITE_ONCE(mrt->vif_table[vif].bytes_in, in ip_mr_forward()
2035 mrt->vif_table[vif].bytes_in + skb->len); in ip_mr_forward()
2038 if (c->mfc_origin == htonl(INADDR_ANY) && in ip_mr_forward()
2039 c->mfc_mcastgrp == htonl(INADDR_ANY)) { in ip_mr_forward()
2041 true_vifi != c->_c.mfc_parent && in ip_mr_forward()
2042 ip_hdr(skb)->ttl > in ip_mr_forward()
2043 c->_c.mfc_un.res.ttls[c->_c.mfc_parent]) { in ip_mr_forward()
2048 psend = c->_c.mfc_parent; in ip_mr_forward()
2053 for (ct = c->_c.mfc_un.res.maxvif - 1; in ip_mr_forward()
2054 ct >= c->_c.mfc_un.res.minvif; ct--) { in ip_mr_forward()
2056 if ((c->mfc_origin != htonl(INADDR_ANY) || in ip_mr_forward()
2058 ip_hdr(skb)->ttl > c->_c.mfc_un.res.ttls[ct]) { in ip_mr_forward()
2059 if (psend != -1) { in ip_mr_forward()
2070 if (psend != -1) { in ip_mr_forward()
2093 .daddr = iph->daddr, in ipmr_rt_fib_lookup()
2094 .saddr = iph->saddr, in ipmr_rt_fib_lookup()
2095 .flowi4_tos = RT_TOS(iph->tos), in ipmr_rt_fib_lookup()
2097 skb->dev->ifindex : 0), in ipmr_rt_fib_lookup()
2100 skb->dev->ifindex), in ipmr_rt_fib_lookup()
2101 .flowi4_mark = skb->mark, in ipmr_rt_fib_lookup()
2118 struct net *net = dev_net(skb->dev); in ip_mr_input()
2119 int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL; in ip_mr_input()
2123 /* skb->dev passed in is the loX master dev for vrfs. in ip_mr_input()
2127 dev = skb->dev; in ip_mr_input()
2128 if (netif_is_l3_master(skb->dev)) { in ip_mr_input()
2129 dev = dev_get_by_index_rcu(net, IPCB(skb)->iif); in ip_mr_input()
2132 return -ENODEV; in ip_mr_input()
2139 if (IPCB(skb)->flags & IPSKB_FORWARDED) in ip_mr_input()
2148 if (IPCB(skb)->opt.router_alert) { in ip_mr_input()
2151 } else if (ip_hdr(skb)->protocol == IPPROTO_IGMP) { in ip_mr_input()
2160 mroute_sk = rcu_dereference(mrt->mroute_sk); in ip_mr_input()
2170 cache = ipmr_cache_find(mrt, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr); in ip_mr_input()
2175 cache = ipmr_cache_find_any(mrt, ip_hdr(skb)->daddr, in ip_mr_input()
2187 return -ENOBUFS; in ip_mr_input()
2195 return -ENODEV; in ip_mr_input()
2217 struct net *net = dev_net(skb->dev); in pim_rcv_v1()
2228 if (!mrt->mroute_do_pim || in pim_rcv_v1()
2229 pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER) in pim_rcv_v1()
2244 struct net *net = dev_net(skb->dev); in pim_rcv()
2251 if (pim->type != ((PIM_VERSION << 4) | (PIM_TYPE_REGISTER)) || in pim_rcv()
2252 (pim->flags & PIM_NULL_REGISTER) || in pim_rcv()
2254 csum_fold(skb_checksum(skb, 0, skb->len, 0)))) in pim_rcv()
2270 struct rtmsg *rtm, u32 portid) in ipmr_get_route() argument
2280 return -ENOENT; in ipmr_get_route()
2284 if (!cache && skb->dev) { in ipmr_get_route()
2285 int vif = ipmr_find_vif(mrt, skb->dev); in ipmr_get_route()
2294 int vif = -1; in ipmr_get_route()
2296 dev = skb->dev; in ipmr_get_route()
2301 return -ENODEV; in ipmr_get_route()
2307 return -ENOMEM; in ipmr_get_route()
2314 iph->ihl = sizeof(struct iphdr) >> 2; in ipmr_get_route()
2315 iph->saddr = saddr; in ipmr_get_route()
2316 iph->daddr = daddr; in ipmr_get_route()
2317 iph->version = 0; in ipmr_get_route()
2323 err = mr_fill_mroute(mrt, skb, &cache->_c, rtm); in ipmr_get_route()
2333 struct rtmsg *rtm; in ipmr_fill_mroute() local
2336 nlh = nlmsg_put(skb, portid, seq, cmd, sizeof(*rtm), flags); in ipmr_fill_mroute()
2338 return -EMSGSIZE; in ipmr_fill_mroute()
2340 rtm = nlmsg_data(nlh); in ipmr_fill_mroute()
2341 rtm->rtm_family = RTNL_FAMILY_IPMR; in ipmr_fill_mroute()
2342 rtm->rtm_dst_len = 32; in ipmr_fill_mroute()
2343 rtm->rtm_src_len = 32; in ipmr_fill_mroute()
2344 rtm->rtm_tos = 0; in ipmr_fill_mroute()
2345 rtm->rtm_table = mrt->id; in ipmr_fill_mroute()
2346 if (nla_put_u32(skb, RTA_TABLE, mrt->id)) in ipmr_fill_mroute()
2348 rtm->rtm_type = RTN_MULTICAST; in ipmr_fill_mroute()
2349 rtm->rtm_scope = RT_SCOPE_UNIVERSE; in ipmr_fill_mroute()
2350 if (c->_c.mfc_flags & MFC_STATIC) in ipmr_fill_mroute()
2351 rtm->rtm_protocol = RTPROT_STATIC; in ipmr_fill_mroute()
2353 rtm->rtm_protocol = RTPROT_MROUTED; in ipmr_fill_mroute()
2354 rtm->rtm_flags = 0; in ipmr_fill_mroute()
2356 if (nla_put_in_addr(skb, RTA_SRC, c->mfc_origin) || in ipmr_fill_mroute()
2357 nla_put_in_addr(skb, RTA_DST, c->mfc_mcastgrp)) in ipmr_fill_mroute()
2359 err = mr_fill_mroute(mrt, skb, &c->_c, rtm); in ipmr_fill_mroute()
2361 if (err < 0 && err != -ENOENT) in ipmr_fill_mroute()
2369 return -EMSGSIZE; in ipmr_fill_mroute()
2404 struct net *net = read_pnet(&mrt->net); in mroute_netlink_event()
2406 int err = -ENOBUFS; in mroute_netlink_event()
2408 skb = nlmsg_new(mroute_msgsize(mfc->_c.mfc_parent >= MAXVIFS, in mroute_netlink_event()
2409 mrt->maxvif), in mroute_netlink_event()
2445 struct net *net = read_pnet(&mrt->net); in igmpmsg_netlink_event()
2453 payloadlen = pkt->len - sizeof(struct igmpmsg); in igmpmsg_netlink_event()
2465 rtgenm->rtgen_family = RTNL_FAMILY_IPMR; in igmpmsg_netlink_event()
2466 if (nla_put_u8(skb, IPMRA_CREPORT_MSGTYPE, msg->im_msgtype) || in igmpmsg_netlink_event()
2467 nla_put_u32(skb, IPMRA_CREPORT_VIF_ID, msg->im_vif | (msg->im_vif_hi << 8)) || in igmpmsg_netlink_event()
2469 msg->im_src.s_addr) || in igmpmsg_netlink_event()
2471 msg->im_dst.s_addr) || in igmpmsg_netlink_event()
2472 nla_put_u32(skb, IPMRA_CREPORT_TABLE, mrt->id)) in igmpmsg_netlink_event()
2489 rtnl_set_sk_err(net, RTNLGRP_IPV4_MROUTE_R, -ENOBUFS); in igmpmsg_netlink_event()
2497 struct rtmsg *rtm; in ipmr_rtm_valid_getroute_req() local
2500 if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*rtm))) { in ipmr_rtm_valid_getroute_req()
2502 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2506 return nlmsg_parse_deprecated(nlh, sizeof(*rtm), tb, RTA_MAX, in ipmr_rtm_valid_getroute_req()
2509 rtm = nlmsg_data(nlh); in ipmr_rtm_valid_getroute_req()
2510 if ((rtm->rtm_src_len && rtm->rtm_src_len != 32) || in ipmr_rtm_valid_getroute_req()
2511 (rtm->rtm_dst_len && rtm->rtm_dst_len != 32) || in ipmr_rtm_valid_getroute_req()
2512 rtm->rtm_tos || rtm->rtm_table || rtm->rtm_protocol || in ipmr_rtm_valid_getroute_req()
2513 rtm->rtm_scope || rtm->rtm_type || rtm->rtm_flags) { in ipmr_rtm_valid_getroute_req()
2515 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2518 err = nlmsg_parse_deprecated_strict(nlh, sizeof(*rtm), tb, RTA_MAX, in ipmr_rtm_valid_getroute_req()
2523 if ((tb[RTA_SRC] && !rtm->rtm_src_len) || in ipmr_rtm_valid_getroute_req()
2524 (tb[RTA_DST] && !rtm->rtm_dst_len)) { in ipmr_rtm_valid_getroute_req()
2526 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2540 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2550 struct net *net = sock_net(in_skb->sk); in ipmr_rtm_getroute()
2569 err = -ENOENT; in ipmr_rtm_getroute()
2578 err = -ENOENT; in ipmr_rtm_getroute()
2582 skb = nlmsg_new(mroute_msgsize(false, mrt->maxvif), GFP_KERNEL); in ipmr_rtm_getroute()
2584 err = -ENOBUFS; in ipmr_rtm_getroute()
2589 nlh->nlmsg_seq, cache, in ipmr_rtm_getroute()
2609 if (cb->strict_check) { in ipmr_rtm_dumproute()
2610 err = ip_valid_fib_dump_req(sock_net(skb->sk), cb->nlh, in ipmr_rtm_dumproute()
2619 mrt = __ipmr_get_table(sock_net(skb->sk), filter.table_id); in ipmr_rtm_dumproute()
2621 if (rtnl_msg_family(cb->nlh) != RTNL_FAMILY_IPMR) in ipmr_rtm_dumproute()
2622 return skb->len; in ipmr_rtm_dumproute()
2624 NL_SET_ERR_MSG(cb->extack, "ipv4: MR table does not exist"); in ipmr_rtm_dumproute()
2625 return -ENOENT; in ipmr_rtm_dumproute()
2629 return skb->len ? : err; in ipmr_rtm_dumproute()
2660 mfcc->mfcc_ttls[vifi] = rtnh->rtnh_hops; in ipmr_nla_get_ttls()
2666 return remaining > 0 ? -EINVAL : vifi; in ipmr_nla_get_ttls()
2679 struct rtmsg *rtm; in rtm_to_ipmr_mfcc() local
2682 ret = nlmsg_validate_deprecated(nlh, sizeof(*rtm), RTA_MAX, in rtm_to_ipmr_mfcc()
2686 rtm = nlmsg_data(nlh); in rtm_to_ipmr_mfcc()
2688 ret = -EINVAL; in rtm_to_ipmr_mfcc()
2689 if (rtm->rtm_family != RTNL_FAMILY_IPMR || rtm->rtm_dst_len != 32 || in rtm_to_ipmr_mfcc()
2690 rtm->rtm_type != RTN_MULTICAST || in rtm_to_ipmr_mfcc()
2691 rtm->rtm_scope != RT_SCOPE_UNIVERSE || in rtm_to_ipmr_mfcc()
2692 !ipmr_rtm_validate_proto(rtm->rtm_protocol)) in rtm_to_ipmr_mfcc()
2696 mfcc->mfcc_parent = -1; in rtm_to_ipmr_mfcc()
2701 mfcc->mfcc_origin.s_addr = nla_get_be32(attr); in rtm_to_ipmr_mfcc()
2704 mfcc->mfcc_mcastgrp.s_addr = nla_get_be32(attr); in rtm_to_ipmr_mfcc()
2709 ret = -ENODEV; in rtm_to_ipmr_mfcc()
2715 ret = -EINVAL; in rtm_to_ipmr_mfcc()
2729 ret = -ENOENT; in rtm_to_ipmr_mfcc()
2733 *mrtsock = rtm->rtm_protocol == RTPROT_MROUTED ? 1 : 0; in rtm_to_ipmr_mfcc()
2735 mfcc->mfcc_parent = ipmr_find_vif(mrt, dev); in rtm_to_ipmr_mfcc()
2745 struct net *net = sock_net(skb->sk); in ipmr_rtm_route()
2756 parent = ret ? mfcc.mfcc_parent : -1; in ipmr_rtm_route()
2757 if (nlh->nlmsg_type == RTM_NEWROUTE) in ipmr_rtm_route()
2765 u32 queue_len = atomic_read(&mrt->cache_resolve_queue_len); in ipmr_fill_table()
2767 if (nla_put_u32(skb, IPMRA_TABLE_ID, mrt->id) || in ipmr_fill_table()
2770 mrt->mroute_reg_vif_num) || in ipmr_fill_table()
2772 mrt->mroute_do_assert) || in ipmr_fill_table()
2773 nla_put_u8(skb, IPMRA_TABLE_MROUTE_DO_PIM, mrt->mroute_do_pim) || in ipmr_fill_table()
2775 mrt->mroute_do_wrvifwhole)) in ipmr_fill_table()
2787 vif = &mrt->vif_table[vifid]; in ipmr_fill_vif()
2788 vif_dev = rtnl_dereference(vif->dev); in ipmr_fill_vif()
2797 if (nla_put_u32(skb, IPMRA_VIFA_IFINDEX, vif_dev->ifindex) || in ipmr_fill_vif()
2799 nla_put_u16(skb, IPMRA_VIFA_FLAGS, vif->flags) || in ipmr_fill_vif()
2800 nla_put_u64_64bit(skb, IPMRA_VIFA_BYTES_IN, vif->bytes_in, in ipmr_fill_vif()
2802 nla_put_u64_64bit(skb, IPMRA_VIFA_BYTES_OUT, vif->bytes_out, in ipmr_fill_vif()
2804 nla_put_u64_64bit(skb, IPMRA_VIFA_PACKETS_IN, vif->pkt_in, in ipmr_fill_vif()
2806 nla_put_u64_64bit(skb, IPMRA_VIFA_PACKETS_OUT, vif->pkt_out, in ipmr_fill_vif()
2808 nla_put_be32(skb, IPMRA_VIFA_LOCAL_ADDR, vif->local) || in ipmr_fill_vif()
2809 nla_put_be32(skb, IPMRA_VIFA_REMOTE_ADDR, vif->remote)) { in ipmr_fill_vif()
2823 if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ifm))) { in ipmr_valid_dumplink()
2825 return -EINVAL; in ipmr_valid_dumplink()
2830 return -EINVAL; in ipmr_valid_dumplink()
2834 if (ifm->__ifi_pad || ifm->ifi_type || ifm->ifi_flags || in ipmr_valid_dumplink()
2835 ifm->ifi_change || ifm->ifi_index) { in ipmr_valid_dumplink()
2837 return -EINVAL; in ipmr_valid_dumplink()
2845 struct net *net = sock_net(skb->sk); in ipmr_rtm_dumplink()
2851 if (cb->strict_check) { in ipmr_rtm_dumplink()
2852 int err = ipmr_valid_dumplink(cb->nlh, cb->extack); in ipmr_rtm_dumplink()
2858 s_t = cb->args[0]; in ipmr_rtm_dumplink()
2859 s_e = cb->args[1]; in ipmr_rtm_dumplink()
2868 nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, in ipmr_rtm_dumplink()
2869 cb->nlh->nlmsg_seq, RTM_NEWLINK, in ipmr_rtm_dumplink()
2876 hdr->ifi_family = RTNL_FAMILY_IPMR; in ipmr_rtm_dumplink()
2895 for (i = 0; i < mrt->maxvif; i++) { in ipmr_rtm_dumplink()
2917 cb->args[1] = e; in ipmr_rtm_dumplink()
2918 cb->args[0] = t; in ipmr_rtm_dumplink()
2920 return skb->len; in ipmr_rtm_dumplink()
2931 struct mr_vif_iter *iter = seq->private; in ipmr_vif_seq_start()
2939 return ERR_PTR(-ENOENT); in ipmr_vif_seq_start()
2942 iter->mrt = mrt; in ipmr_vif_seq_start()
2955 struct mr_vif_iter *iter = seq->private; in ipmr_vif_seq_show()
2956 struct mr_table *mrt = iter->mrt; in ipmr_vif_seq_show()
2967 name = vif_dev ? vif_dev->name : "none"; in ipmr_vif_seq_show()
2969 "%2td %-10s %8ld %7ld %8ld %7ld %05X %08X %08X\n", in ipmr_vif_seq_show()
2970 vif - mrt->vif_table, in ipmr_vif_seq_show()
2971 name, vif->bytes_in, vif->pkt_in, in ipmr_vif_seq_show()
2972 vif->bytes_out, vif->pkt_out, in ipmr_vif_seq_show()
2973 vif->flags, vif->local, vif->remote); in ipmr_vif_seq_show()
2992 return ERR_PTR(-ENOENT); in ipmr_mfc_seq_start()
3006 const struct mr_mfc_iter *it = seq->private; in ipmr_mfc_seq_show()
3007 const struct mr_table *mrt = it->mrt; in ipmr_mfc_seq_show()
3009 seq_printf(seq, "%08X %08X %-3hd", in ipmr_mfc_seq_show()
3010 (__force u32) mfc->mfc_mcastgrp, in ipmr_mfc_seq_show()
3011 (__force u32) mfc->mfc_origin, in ipmr_mfc_seq_show()
3012 mfc->_c.mfc_parent); in ipmr_mfc_seq_show()
3014 if (it->cache != &mrt->mfc_unres_queue) { in ipmr_mfc_seq_show()
3016 atomic_long_read(&mfc->_c.mfc_un.res.pkt), in ipmr_mfc_seq_show()
3017 atomic_long_read(&mfc->_c.mfc_un.res.bytes), in ipmr_mfc_seq_show()
3018 atomic_long_read(&mfc->_c.mfc_un.res.wrong_if)); in ipmr_mfc_seq_show()
3019 for (n = mfc->_c.mfc_un.res.minvif; in ipmr_mfc_seq_show()
3020 n < mfc->_c.mfc_un.res.maxvif; n++) { in ipmr_mfc_seq_show()
3022 mfc->_c.mfc_un.res.ttls[n] < 255) in ipmr_mfc_seq_show()
3024 " %2d:%-3d", in ipmr_mfc_seq_show()
3025 n, mfc->_c.mfc_un.res.ttls[n]); in ipmr_mfc_seq_show()
3056 return net->ipv4.ipmr_seq + ipmr_rules_seq_read(net); in ipmr_seq_read()
3077 net->ipv4.ipmr_seq = 0; in ipmr_notifier_init()
3082 net->ipv4.ipmr_notifier_ops = ops; in ipmr_notifier_init()
3089 fib_notifier_ops_unregister(net->ipv4.ipmr_notifier_ops); in ipmr_notifier_exit()
3090 net->ipv4.ipmr_notifier_ops = NULL; in ipmr_notifier_exit()
3107 err = -ENOMEM; in ipmr_net_init()
3108 if (!proc_create_net("ip_mr_vif", 0, net->proc_net, &ipmr_vif_seq_ops, in ipmr_net_init()
3111 if (!proc_create_net("ip_mr_cache", 0, net->proc_net, &ipmr_mfc_seq_ops, in ipmr_net_init()
3119 remove_proc_entry("ip_mr_vif", net->proc_net); in ipmr_net_init()
3134 remove_proc_entry("ip_mr_cache", net->proc_net); in ipmr_net_exit()
3135 remove_proc_entry("ip_mr_vif", net->proc_net); in ipmr_net_exit()
3175 err = -EAGAIN; in ip_mr_init()