Lines Matching +full:dev +full:- +full:active +full:- +full:grp
1 // SPDX-License-Identifier: GPL-2.0-or-later
85 return rcu_dereference(vif->dev); in vif_dev_read()
107 struct net_device *dev, struct sk_buff *skb,
119 list_for_each_entry_rcu(mrt, &net->ipv4.mr_tables, list, \
121 list_empty(&net->ipv4.mr_tables))
129 ret = list_entry_rcu(net->ipv4.mr_tables.next, in ipmr_mr_table_iter()
132 ret = list_entry_rcu(mrt->list.next, in ipmr_mr_table_iter()
135 if (&ret->list == &net->ipv4.mr_tables) in ipmr_mr_table_iter()
145 if (mrt->id == id) in __ipmr_get_table()
174 err = fib_rules_lookup(net->ipv4.mr_rules_ops, in ipmr_fib_lookup()
185 struct ipmr_result *res = arg->result; in ipmr_rule_action()
188 switch (rule->action) { in ipmr_rule_action()
192 return -ENETUNREACH; in ipmr_rule_action()
194 return -EACCES; in ipmr_rule_action()
197 return -EINVAL; in ipmr_rule_action()
200 arg->table = fib_rule_get_table(rule, arg); in ipmr_rule_action()
202 mrt = __ipmr_get_table(rule->fr_net, arg->table); in ipmr_rule_action()
204 return -EAGAIN; in ipmr_rule_action()
205 res->mrt = mrt; in ipmr_rule_action()
230 frh->dst_len = 0; in ipmr_rule_fill()
231 frh->src_len = 0; in ipmr_rule_fill()
232 frh->tos = 0; in ipmr_rule_fill()
259 INIT_LIST_HEAD(&net->ipv4.mr_tables); in ipmr_rules_init()
271 net->ipv4.mr_rules_ops = ops; in ipmr_rules_init()
288 list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list) { in ipmr_rules_exit()
289 list_del(&mrt->list); in ipmr_rules_exit()
292 fib_rules_unregister(net->ipv4.mr_rules_ops); in ipmr_rules_exit()
308 return fib_rule_matchall(rule) && rule->table == RT_TABLE_DEFAULT; in ipmr_rule_default()
313 for (mrt = net->ipv4.mrt; mrt; mrt = NULL)
319 return net->ipv4.mrt; in ipmr_mr_table_iter()
325 return net->ipv4.mrt; in ipmr_get_table()
333 *mrt = net->ipv4.mrt; in ipmr_fib_lookup()
344 net->ipv4.mrt = mrt; in ipmr_rules_init()
351 ipmr_free_table(net->ipv4.mrt); in ipmr_rules_exit()
352 net->ipv4.mrt = NULL; in ipmr_rules_exit()
376 const struct mfc_cache_cmp_arg *cmparg = arg->key; in ipmr_hash_cmp()
379 return cmparg->mfc_mcastgrp != c->mfc_mcastgrp || in ipmr_hash_cmp()
380 cmparg->mfc_origin != c->mfc_origin; in ipmr_hash_cmp()
396 list_add_tail_rcu(&mrt->list, &net->ipv4.mr_tables); in ipmr_new_table_set()
416 return ERR_PTR(-EINVAL); in ipmr_new_table()
428 struct net *net = read_pnet(&mrt->net); in ipmr_free_table()
432 timer_shutdown_sync(&mrt->ipmr_expire_timer); in ipmr_free_table()
435 rhltable_destroy(&mrt->mfc_hash); in ipmr_free_table()
442 static bool ipmr_init_vif_indev(const struct net_device *dev) in ipmr_init_vif_indev() argument
448 in_dev = __in_dev_get_rtnl(dev); in ipmr_init_vif_indev()
452 neigh_parms_data_state_setall(in_dev->arp_parms); in ipmr_init_vif_indev()
453 IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0; in ipmr_init_vif_indev()
468 p.iph.daddr = v->vifc_rmt_addr.s_addr; in ipmr_new_tunnel()
469 p.iph.saddr = v->vifc_lcl_addr.s_addr; in ipmr_new_tunnel()
473 sprintf(p.name, "dvmrp%d", v->vifc_vifi); in ipmr_new_tunnel()
475 if (!tunnel_dev->netdev_ops->ndo_tunnel_ctl) in ipmr_new_tunnel()
477 err = tunnel_dev->netdev_ops->ndo_tunnel_ctl(tunnel_dev, &p, in ipmr_new_tunnel()
486 new_dev->flags |= IFF_MULTICAST; in ipmr_new_tunnel()
495 tunnel_dev->netdev_ops->ndo_tunnel_ctl(tunnel_dev, &p, in ipmr_new_tunnel()
505 return ERR_PTR(-ENOBUFS); in ipmr_new_tunnel()
509 static netdev_tx_t reg_vif_xmit(struct sk_buff *skb, struct net_device *dev) in reg_vif_xmit() argument
511 struct net *net = dev_net(dev); in reg_vif_xmit()
514 .flowi4_oif = dev->ifindex, in reg_vif_xmit()
515 .flowi4_iif = skb->skb_iif ? : LOOPBACK_IFINDEX, in reg_vif_xmit()
516 .flowi4_mark = skb->mark, in reg_vif_xmit()
526 DEV_STATS_ADD(dev, tx_bytes, skb->len); in reg_vif_xmit()
527 DEV_STATS_INC(dev, tx_packets); in reg_vif_xmit()
531 ipmr_cache_report(mrt, skb, READ_ONCE(mrt->mroute_reg_vif_num), in reg_vif_xmit()
539 static int reg_vif_get_iflink(const struct net_device *dev) in reg_vif_get_iflink() argument
549 static void reg_vif_setup(struct net_device *dev) in reg_vif_setup() argument
551 dev->type = ARPHRD_PIMREG; in reg_vif_setup()
552 dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr) - 8; in reg_vif_setup()
553 dev->flags = IFF_NOARP; in reg_vif_setup()
554 dev->netdev_ops = ®_vif_netdev_ops; in reg_vif_setup()
555 dev->needs_free_netdev = true; in reg_vif_setup()
556 dev->netns_immutable = true; in reg_vif_setup()
561 struct net_device *dev; in ipmr_reg_vif() local
564 if (mrt->id == RT_TABLE_DEFAULT) in ipmr_reg_vif()
567 sprintf(name, "pimreg%u", mrt->id); in ipmr_reg_vif()
569 dev = alloc_netdev(0, name, NET_NAME_UNKNOWN, reg_vif_setup); in ipmr_reg_vif()
571 if (!dev) in ipmr_reg_vif()
574 dev_net_set(dev, net); in ipmr_reg_vif()
576 if (register_netdevice(dev)) { in ipmr_reg_vif()
577 free_netdev(dev); in ipmr_reg_vif()
581 if (!ipmr_init_vif_indev(dev)) in ipmr_reg_vif()
583 if (dev_open(dev, NULL)) in ipmr_reg_vif()
586 dev_hold(dev); in ipmr_reg_vif()
588 return dev; in ipmr_reg_vif()
591 unregister_netdevice(dev); in ipmr_reg_vif()
606 * b. packet is not a NULL-REGISTER in __pim_rcv()
609 if (!ipv4_is_multicast(encap->daddr) || in __pim_rcv()
610 encap->tot_len == 0 || in __pim_rcv()
611 ntohs(encap->tot_len) + pimlen > skb->len) in __pim_rcv()
615 vif_num = READ_ONCE(mrt->mroute_reg_vif_num); in __pim_rcv()
617 reg_dev = vif_dev_read(&mrt->vif_table[vif_num]); in __pim_rcv()
621 skb->mac_header = skb->network_header; in __pim_rcv()
622 skb_pull(skb, (u8 *)encap - skb->data); in __pim_rcv()
624 skb->protocol = htons(ETH_P_IP); in __pim_rcv()
625 skb->ip_summed = CHECKSUM_NONE; in __pim_rcv()
648 &net->ipv4.ipmr_seq); in call_ipmr_vif_entry_notifiers()
656 &mfc->_c, tb_id, &net->ipv4.ipmr_seq); in call_ipmr_mfc_entry_notifiers()
660 * vif_delete - Delete a VIF entry
669 struct net *net = read_pnet(&mrt->net); in vif_delete()
671 struct net_device *dev; in vif_delete() local
674 if (vifi < 0 || vifi >= mrt->maxvif) in vif_delete()
675 return -EADDRNOTAVAIL; in vif_delete()
677 v = &mrt->vif_table[vifi]; in vif_delete()
679 dev = rtnl_dereference(v->dev); in vif_delete()
680 if (!dev) in vif_delete()
681 return -EADDRNOTAVAIL; in vif_delete()
684 call_ipmr_vif_entry_notifiers(net, FIB_EVENT_VIF_DEL, v, dev, in vif_delete()
685 vifi, mrt->id); in vif_delete()
686 RCU_INIT_POINTER(v->dev, NULL); in vif_delete()
688 if (vifi == mrt->mroute_reg_vif_num) { in vif_delete()
690 WRITE_ONCE(mrt->mroute_reg_vif_num, -1); in vif_delete()
692 if (vifi + 1 == mrt->maxvif) { in vif_delete()
695 for (tmp = vifi - 1; tmp >= 0; tmp--) { in vif_delete()
699 WRITE_ONCE(mrt->maxvif, tmp + 1); in vif_delete()
704 dev_set_allmulti(dev, -1); in vif_delete()
706 in_dev = __in_dev_get_rtnl(dev); in vif_delete()
708 IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)--; in vif_delete()
709 inet_netconf_notify_devconf(dev_net(dev), RTM_NEWNETCONF, in vif_delete()
711 dev->ifindex, &in_dev->cnf); in vif_delete()
715 if (v->flags & (VIFF_TUNNEL | VIFF_REGISTER) && !notify) in vif_delete()
716 unregister_netdevice_queue(dev, head); in vif_delete()
718 netdev_put(dev, &v->dev_tracker); in vif_delete()
731 call_rcu(&c->_c.rcu, ipmr_cache_free_rcu); in ipmr_cache_free()
739 struct net *net = read_pnet(&mrt->net); in ipmr_destroy_unres()
743 atomic_dec(&mrt->cache_resolve_queue_len); in ipmr_destroy_unres()
745 while ((skb = skb_dequeue(&c->_c.mfc_un.unres.unresolved))) { in ipmr_destroy_unres()
746 if (ip_hdr(skb)->version == 0) { in ipmr_destroy_unres()
749 nlh->nlmsg_type = NLMSG_ERROR; in ipmr_destroy_unres()
750 nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); in ipmr_destroy_unres()
751 skb_trim(skb, nlh->nlmsg_len); in ipmr_destroy_unres()
753 e->error = -ETIMEDOUT; in ipmr_destroy_unres()
754 memset(&e->msg, 0, sizeof(e->msg)); in ipmr_destroy_unres()
774 mod_timer(&mrt->ipmr_expire_timer, jiffies+HZ/10); in ipmr_expire_process()
778 if (list_empty(&mrt->mfc_unres_queue)) in ipmr_expire_process()
784 list_for_each_entry_safe(c, next, &mrt->mfc_unres_queue, list) { in ipmr_expire_process()
785 if (time_after(c->mfc_un.unres.expires, now)) { in ipmr_expire_process()
786 unsigned long interval = c->mfc_un.unres.expires - now; in ipmr_expire_process()
792 list_del(&c->list); in ipmr_expire_process()
797 if (!list_empty(&mrt->mfc_unres_queue)) in ipmr_expire_process()
798 mod_timer(&mrt->ipmr_expire_timer, jiffies + expires); in ipmr_expire_process()
810 cache->mfc_un.res.minvif = MAXVIFS; in ipmr_update_thresholds()
811 cache->mfc_un.res.maxvif = 0; in ipmr_update_thresholds()
812 memset(cache->mfc_un.res.ttls, 255, MAXVIFS); in ipmr_update_thresholds()
814 for (vifi = 0; vifi < mrt->maxvif; vifi++) { in ipmr_update_thresholds()
817 cache->mfc_un.res.ttls[vifi] = ttls[vifi]; in ipmr_update_thresholds()
818 if (cache->mfc_un.res.minvif > vifi) in ipmr_update_thresholds()
819 cache->mfc_un.res.minvif = vifi; in ipmr_update_thresholds()
820 if (cache->mfc_un.res.maxvif <= vifi) in ipmr_update_thresholds()
821 cache->mfc_un.res.maxvif = vifi + 1; in ipmr_update_thresholds()
824 WRITE_ONCE(cache->mfc_un.res.lastuse, jiffies); in ipmr_update_thresholds()
831 int vifi = vifc->vifc_vifi; in vif_add()
832 struct vif_device *v = &mrt->vif_table[vifi]; in vif_add()
833 struct net_device *dev; in vif_add() local
839 return -EADDRINUSE; in vif_add()
841 switch (vifc->vifc_flags) { in vif_add()
844 return -EINVAL; in vif_add()
848 if (mrt->mroute_reg_vif_num >= 0) in vif_add()
849 return -EADDRINUSE; in vif_add()
850 dev = ipmr_reg_vif(net, mrt); in vif_add()
851 if (!dev) in vif_add()
852 return -ENOBUFS; in vif_add()
853 err = dev_set_allmulti(dev, 1); in vif_add()
855 unregister_netdevice(dev); in vif_add()
856 dev_put(dev); in vif_add()
861 dev = ipmr_new_tunnel(net, vifc); in vif_add()
862 if (IS_ERR(dev)) in vif_add()
863 return PTR_ERR(dev); in vif_add()
867 if (vifc->vifc_flags == VIFF_USE_IFINDEX) { in vif_add()
868 dev = dev_get_by_index(net, vifc->vifc_lcl_ifindex); in vif_add()
869 if (dev && !__in_dev_get_rtnl(dev)) { in vif_add()
870 dev_put(dev); in vif_add()
871 return -EADDRNOTAVAIL; in vif_add()
874 dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr); in vif_add()
876 if (!dev) in vif_add()
877 return -EADDRNOTAVAIL; in vif_add()
878 err = dev_set_allmulti(dev, 1); in vif_add()
880 dev_put(dev); in vif_add()
885 return -EINVAL; in vif_add()
888 in_dev = __in_dev_get_rtnl(dev); in vif_add()
890 dev_put(dev); in vif_add()
891 return -EADDRNOTAVAIL; in vif_add()
893 IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++; in vif_add()
895 dev->ifindex, &in_dev->cnf); in vif_add()
899 vif_device_init(v, dev, vifc->vifc_rate_limit, in vif_add()
900 vifc->vifc_threshold, in vif_add()
901 vifc->vifc_flags | (!mrtsock ? VIFF_STATIC : 0), in vif_add()
904 err = netif_get_port_parent_id(dev, &ppid, true); in vif_add()
906 memcpy(v->dev_parent_id.id, ppid.id, ppid.id_len); in vif_add()
907 v->dev_parent_id.id_len = ppid.id_len; in vif_add()
909 v->dev_parent_id.id_len = 0; in vif_add()
912 v->local = vifc->vifc_lcl_addr.s_addr; in vif_add()
913 v->remote = vifc->vifc_rmt_addr.s_addr; in vif_add()
917 rcu_assign_pointer(v->dev, dev); in vif_add()
918 netdev_tracker_alloc(dev, &v->dev_tracker, GFP_ATOMIC); in vif_add()
919 if (v->flags & VIFF_REGISTER) { in vif_add()
921 WRITE_ONCE(mrt->mroute_reg_vif_num, vifi); in vif_add()
923 if (vifi+1 > mrt->maxvif) in vif_add()
924 WRITE_ONCE(mrt->maxvif, vifi + 1); in vif_add()
926 call_ipmr_vif_entry_notifiers(net, FIB_EVENT_VIF_ADD, v, dev, in vif_add()
927 vifi, mrt->id); in vif_add()
958 /* Look for a (S,G,iif) entry if parent != -1 */
977 c->_c.mfc_un.res.last_assert = jiffies - MFC_ASSERT_THRESH - 1; in ipmr_cache_alloc()
978 c->_c.mfc_un.res.minvif = MAXVIFS; in ipmr_cache_alloc()
979 c->_c.free = ipmr_cache_free_rcu; in ipmr_cache_alloc()
980 refcount_set(&c->_c.mfc_un.res.refcount, 1); in ipmr_cache_alloc()
990 skb_queue_head_init(&c->_c.mfc_un.unres.unresolved); in ipmr_cache_alloc_unres()
991 c->_c.mfc_un.unres.expires = jiffies + 10 * HZ; in ipmr_cache_alloc_unres()
1004 while ((skb = __skb_dequeue(&uc->_c.mfc_un.unres.unresolved))) { in ipmr_cache_resolve()
1005 if (ip_hdr(skb)->version == 0) { in ipmr_cache_resolve()
1009 if (mr_fill_mroute(mrt, skb, &c->_c, in ipmr_cache_resolve()
1011 nlh->nlmsg_len = skb_tail_pointer(skb) - in ipmr_cache_resolve()
1014 nlh->nlmsg_type = NLMSG_ERROR; in ipmr_cache_resolve()
1015 nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); in ipmr_cache_resolve()
1016 skb_trim(skb, nlh->nlmsg_len); in ipmr_cache_resolve()
1018 e->error = -EMSGSIZE; in ipmr_cache_resolve()
1019 memset(&e->msg, 0, sizeof(e->msg)); in ipmr_cache_resolve()
1025 ip_mr_forward(net, mrt, skb->dev, skb, c, 0); in ipmr_cache_resolve()
1045 mroute_sk = rcu_dereference(mrt->mroute_sk); in ipmr_cache_report()
1047 return -EINVAL; in ipmr_cache_report()
1055 return -ENOBUFS; in ipmr_cache_report()
1060 * And all this only to mangle msg->im_msgtype and in ipmr_cache_report()
1061 * to set msg->im_mbz to "mbz" :-) in ipmr_cache_report()
1068 msg->im_msgtype = assert; in ipmr_cache_report()
1069 msg->im_mbz = 0; in ipmr_cache_report()
1071 msg->im_vif = vifi; in ipmr_cache_report()
1072 msg->im_vif_hi = vifi >> 8; in ipmr_cache_report()
1075 int vif_num = READ_ONCE(mrt->mroute_reg_vif_num); in ipmr_cache_report()
1077 msg->im_vif = vif_num; in ipmr_cache_report()
1078 msg->im_vif_hi = vif_num >> 8; in ipmr_cache_report()
1080 ip_hdr(skb)->ihl = sizeof(struct iphdr) >> 2; in ipmr_cache_report()
1081 ip_hdr(skb)->tot_len = htons(ntohs(ip_hdr(pkt)->tot_len) + in ipmr_cache_report()
1085 skb_set_network_header(skb, skb->len); in ipmr_cache_report()
1087 skb_copy_to_linear_data(skb, pkt->data, ihl); in ipmr_cache_report()
1089 ip_hdr(skb)->protocol = 0; in ipmr_cache_report()
1091 msg->im_vif = vifi; in ipmr_cache_report()
1092 msg->im_vif_hi = vifi >> 8; in ipmr_cache_report()
1094 memcpy(skb->cb, pkt->cb, sizeof(skb->cb)); in ipmr_cache_report()
1097 igmp->type = assert; in ipmr_cache_report()
1098 msg->im_msgtype = assert; in ipmr_cache_report()
1099 igmp->code = 0; in ipmr_cache_report()
1100 ip_hdr(skb)->tot_len = htons(skb->len); /* Fix the length */ in ipmr_cache_report()
1101 skb->transport_header = skb->network_header; in ipmr_cache_report()
1120 struct sk_buff *skb, struct net_device *dev) in ipmr_cache_unresolved() argument
1128 list_for_each_entry(c, &mrt->mfc_unres_queue, _c.list) { in ipmr_cache_unresolved()
1129 if (c->mfc_mcastgrp == iph->daddr && in ipmr_cache_unresolved()
1130 c->mfc_origin == iph->saddr) { in ipmr_cache_unresolved()
1143 return -ENOBUFS; in ipmr_cache_unresolved()
1147 c->_c.mfc_parent = -1; in ipmr_cache_unresolved()
1148 c->mfc_origin = iph->saddr; in ipmr_cache_unresolved()
1149 c->mfc_mcastgrp = iph->daddr; in ipmr_cache_unresolved()
1156 out - Brad Parker in ipmr_cache_unresolved()
1165 atomic_inc(&mrt->cache_resolve_queue_len); in ipmr_cache_unresolved()
1166 list_add(&c->_c.list, &mrt->mfc_unres_queue); in ipmr_cache_unresolved()
1169 if (atomic_read(&mrt->cache_resolve_queue_len) == 1) in ipmr_cache_unresolved()
1170 mod_timer(&mrt->ipmr_expire_timer, in ipmr_cache_unresolved()
1171 c->_c.mfc_un.unres.expires); in ipmr_cache_unresolved()
1175 if (c->_c.mfc_un.unres.unresolved.qlen > 3) { in ipmr_cache_unresolved()
1177 err = -ENOBUFS; in ipmr_cache_unresolved()
1179 if (dev) { in ipmr_cache_unresolved()
1180 skb->dev = dev; in ipmr_cache_unresolved()
1181 skb->skb_iif = dev->ifindex; in ipmr_cache_unresolved()
1183 skb_queue_tail(&c->_c.mfc_un.unres.unresolved, skb); in ipmr_cache_unresolved()
1195 struct net *net = read_pnet(&mrt->net); in ipmr_mfc_delete()
1200 c = ipmr_cache_find_parent(mrt, mfc->mfcc_origin.s_addr, in ipmr_mfc_delete()
1201 mfc->mfcc_mcastgrp.s_addr, parent); in ipmr_mfc_delete()
1204 return -ENOENT; in ipmr_mfc_delete()
1205 rhltable_remove(&mrt->mfc_hash, &c->_c.mnode, ipmr_rht_params); in ipmr_mfc_delete()
1206 list_del_rcu(&c->_c.list); in ipmr_mfc_delete()
1207 call_ipmr_mfc_entry_notifiers(net, FIB_EVENT_ENTRY_DEL, c, mrt->id); in ipmr_mfc_delete()
1209 mr_cache_put(&c->_c); in ipmr_mfc_delete()
1222 if (mfc->mfcc_parent >= MAXVIFS) in ipmr_mfc_add()
1223 return -ENFILE; in ipmr_mfc_add()
1227 c = ipmr_cache_find_parent(mrt, mfc->mfcc_origin.s_addr, in ipmr_mfc_add()
1228 mfc->mfcc_mcastgrp.s_addr, parent); in ipmr_mfc_add()
1232 c->_c.mfc_parent = mfc->mfcc_parent; in ipmr_mfc_add()
1233 ipmr_update_thresholds(mrt, &c->_c, mfc->mfcc_ttls); in ipmr_mfc_add()
1235 c->_c.mfc_flags |= MFC_STATIC; in ipmr_mfc_add()
1238 mrt->id); in ipmr_mfc_add()
1243 if (mfc->mfcc_mcastgrp.s_addr != htonl(INADDR_ANY) && in ipmr_mfc_add()
1244 !ipv4_is_multicast(mfc->mfcc_mcastgrp.s_addr)) in ipmr_mfc_add()
1245 return -EINVAL; in ipmr_mfc_add()
1249 return -ENOMEM; in ipmr_mfc_add()
1251 c->mfc_origin = mfc->mfcc_origin.s_addr; in ipmr_mfc_add()
1252 c->mfc_mcastgrp = mfc->mfcc_mcastgrp.s_addr; in ipmr_mfc_add()
1253 c->_c.mfc_parent = mfc->mfcc_parent; in ipmr_mfc_add()
1254 ipmr_update_thresholds(mrt, &c->_c, mfc->mfcc_ttls); in ipmr_mfc_add()
1256 c->_c.mfc_flags |= MFC_STATIC; in ipmr_mfc_add()
1258 ret = rhltable_insert_key(&mrt->mfc_hash, &c->cmparg, &c->_c.mnode, in ipmr_mfc_add()
1265 list_add_tail_rcu(&c->_c.list, &mrt->mfc_cache_list); in ipmr_mfc_add()
1271 list_for_each_entry(_uc, &mrt->mfc_unres_queue, list) { in ipmr_mfc_add()
1273 if (uc->mfc_origin == c->mfc_origin && in ipmr_mfc_add()
1274 uc->mfc_mcastgrp == c->mfc_mcastgrp) { in ipmr_mfc_add()
1275 list_del(&_uc->list); in ipmr_mfc_add()
1276 atomic_dec(&mrt->cache_resolve_queue_len); in ipmr_mfc_add()
1281 if (list_empty(&mrt->mfc_unres_queue)) in ipmr_mfc_add()
1282 timer_delete(&mrt->ipmr_expire_timer); in ipmr_mfc_add()
1289 call_ipmr_mfc_entry_notifiers(net, FIB_EVENT_ENTRY_ADD, c, mrt->id); in ipmr_mfc_add()
1297 struct net *net = read_pnet(&mrt->net); in mroute_clean_tables()
1303 /* Shut down all active vif entries */ in mroute_clean_tables()
1305 for (i = 0; i < mrt->maxvif; i++) { in mroute_clean_tables()
1306 if (((mrt->vif_table[i].flags & VIFF_STATIC) && in mroute_clean_tables()
1308 (!(mrt->vif_table[i].flags & VIFF_STATIC) && !(flags & MRT_FLUSH_VIFS))) in mroute_clean_tables()
1317 list_for_each_entry_safe(c, tmp, &mrt->mfc_cache_list, list) { in mroute_clean_tables()
1318 if (((c->mfc_flags & MFC_STATIC) && !(flags & MRT_FLUSH_MFC_STATIC)) || in mroute_clean_tables()
1319 (!(c->mfc_flags & MFC_STATIC) && !(flags & MRT_FLUSH_MFC))) in mroute_clean_tables()
1321 rhltable_remove(&mrt->mfc_hash, &c->mnode, ipmr_rht_params); in mroute_clean_tables()
1322 list_del_rcu(&c->list); in mroute_clean_tables()
1325 mrt->id); in mroute_clean_tables()
1332 if (atomic_read(&mrt->cache_resolve_queue_len) != 0) { in mroute_clean_tables()
1334 list_for_each_entry_safe(c, tmp, &mrt->mfc_unres_queue, list) { in mroute_clean_tables()
1335 list_del(&c->list); in mroute_clean_tables()
1355 if (sk == rtnl_dereference(mrt->mroute_sk)) { in mrtsock_destruct()
1356 IPV4_DEVCONF_ALL(net, MC_FORWARDING)--; in mrtsock_destruct()
1360 net->ipv4.devconf_all); in mrtsock_destruct()
1361 RCU_INIT_POINTER(mrt->mroute_sk, NULL); in mrtsock_destruct()
1385 /* There's one exception to the lock - MRT_DONE which needs to unlock */ in ip_mroute_setsockopt()
1387 if (sk->sk_type != SOCK_RAW || in ip_mroute_setsockopt()
1388 inet_sk(sk)->inet_num != IPPROTO_IGMP) { in ip_mroute_setsockopt()
1389 ret = -EOPNOTSUPP; in ip_mroute_setsockopt()
1393 mrt = __ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ip_mroute_setsockopt()
1395 ret = -ENOENT; in ip_mroute_setsockopt()
1399 if (sk != rcu_access_pointer(mrt->mroute_sk) && in ip_mroute_setsockopt()
1400 !ns_capable(net->user_ns, CAP_NET_ADMIN)) { in ip_mroute_setsockopt()
1401 ret = -EACCES; in ip_mroute_setsockopt()
1409 ret = -EINVAL; in ip_mroute_setsockopt()
1412 if (rtnl_dereference(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1413 ret = -EADDRINUSE; in ip_mroute_setsockopt()
1419 rcu_assign_pointer(mrt->mroute_sk, sk); in ip_mroute_setsockopt()
1424 net->ipv4.devconf_all); in ip_mroute_setsockopt()
1428 if (sk != rcu_access_pointer(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1429 ret = -EACCES; in ip_mroute_setsockopt()
1443 ret = -EINVAL; in ip_mroute_setsockopt()
1447 ret = -EFAULT; in ip_mroute_setsockopt()
1451 ret = -ENFILE; in ip_mroute_setsockopt()
1456 sk == rtnl_dereference(mrt->mroute_sk)); in ip_mroute_setsockopt()
1466 parent = -1; in ip_mroute_setsockopt()
1471 ret = -EINVAL; in ip_mroute_setsockopt()
1475 ret = -EFAULT; in ip_mroute_setsockopt()
1484 sk == rtnl_dereference(mrt->mroute_sk), in ip_mroute_setsockopt()
1489 ret = -EINVAL; in ip_mroute_setsockopt()
1493 ret = -EFAULT; in ip_mroute_setsockopt()
1501 ret = -EINVAL; in ip_mroute_setsockopt()
1505 ret = -EFAULT; in ip_mroute_setsockopt()
1508 mrt->mroute_do_assert = val; in ip_mroute_setsockopt()
1512 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1516 ret = -EINVAL; in ip_mroute_setsockopt()
1520 ret = -EFAULT; in ip_mroute_setsockopt()
1526 if (val != mrt->mroute_do_pim) { in ip_mroute_setsockopt()
1527 mrt->mroute_do_pim = val; in ip_mroute_setsockopt()
1528 mrt->mroute_do_assert = val; in ip_mroute_setsockopt()
1529 mrt->mroute_do_wrvifwhole = do_wrvifwhole; in ip_mroute_setsockopt()
1534 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1538 ret = -EINVAL; in ip_mroute_setsockopt()
1542 ret = -EFAULT; in ip_mroute_setsockopt()
1546 if (sk == rtnl_dereference(mrt->mroute_sk)) { in ip_mroute_setsockopt()
1547 ret = -EBUSY; in ip_mroute_setsockopt()
1553 raw_sk(sk)->ipmr_table = uval; in ip_mroute_setsockopt()
1558 ret = -ENOPROTOOPT; in ip_mroute_setsockopt()
1597 if (sk->sk_type != SOCK_RAW || in ip_mroute_getsockopt()
1598 inet_sk(sk)->inet_num != IPPROTO_IGMP) in ip_mroute_getsockopt()
1599 return -EOPNOTSUPP; in ip_mroute_getsockopt()
1601 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ip_mroute_getsockopt()
1603 return -ENOENT; in ip_mroute_getsockopt()
1611 return -ENOPROTOOPT; in ip_mroute_getsockopt()
1612 val = mrt->mroute_do_pim; in ip_mroute_getsockopt()
1615 val = mrt->mroute_do_assert; in ip_mroute_getsockopt()
1618 return -ENOPROTOOPT; in ip_mroute_getsockopt()
1622 return -EFAULT; in ip_mroute_getsockopt()
1624 return -EINVAL; in ip_mroute_getsockopt()
1629 return -EFAULT; in ip_mroute_getsockopt()
1631 return -EFAULT; in ip_mroute_getsockopt()
1645 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ipmr_ioctl()
1647 return -ENOENT; in ipmr_ioctl()
1652 if (vr->vifi >= mrt->maxvif) in ipmr_ioctl()
1653 return -EINVAL; in ipmr_ioctl()
1654 vr->vifi = array_index_nospec(vr->vifi, mrt->maxvif); in ipmr_ioctl()
1656 vif = &mrt->vif_table[vr->vifi]; in ipmr_ioctl()
1657 if (VIF_EXISTS(mrt, vr->vifi)) { in ipmr_ioctl()
1658 vr->icount = READ_ONCE(vif->pkt_in); in ipmr_ioctl()
1659 vr->ocount = READ_ONCE(vif->pkt_out); in ipmr_ioctl()
1660 vr->ibytes = READ_ONCE(vif->bytes_in); in ipmr_ioctl()
1661 vr->obytes = READ_ONCE(vif->bytes_out); in ipmr_ioctl()
1667 return -EADDRNOTAVAIL; in ipmr_ioctl()
1672 c = ipmr_cache_find(mrt, sr->src.s_addr, sr->grp.s_addr); in ipmr_ioctl()
1674 sr->pktcnt = atomic_long_read(&c->_c.mfc_un.res.pkt); in ipmr_ioctl()
1675 sr->bytecnt = atomic_long_read(&c->_c.mfc_un.res.bytes); in ipmr_ioctl()
1676 sr->wrong_if = atomic_long_read(&c->_c.mfc_un.res.wrong_if); in ipmr_ioctl()
1681 return -EADDRNOTAVAIL; in ipmr_ioctl()
1683 return -ENOIOCTLCMD; in ipmr_ioctl()
1690 struct in_addr grp; member
1713 mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); in ipmr_compat_ioctl()
1715 return -ENOENT; in ipmr_compat_ioctl()
1720 return -EFAULT; in ipmr_compat_ioctl()
1721 if (vr.vifi >= mrt->maxvif) in ipmr_compat_ioctl()
1722 return -EINVAL; in ipmr_compat_ioctl()
1723 vr.vifi = array_index_nospec(vr.vifi, mrt->maxvif); in ipmr_compat_ioctl()
1725 vif = &mrt->vif_table[vr.vifi]; in ipmr_compat_ioctl()
1727 vr.icount = READ_ONCE(vif->pkt_in); in ipmr_compat_ioctl()
1728 vr.ocount = READ_ONCE(vif->pkt_out); in ipmr_compat_ioctl()
1729 vr.ibytes = READ_ONCE(vif->bytes_in); in ipmr_compat_ioctl()
1730 vr.obytes = READ_ONCE(vif->bytes_out); in ipmr_compat_ioctl()
1734 return -EFAULT; in ipmr_compat_ioctl()
1738 return -EADDRNOTAVAIL; in ipmr_compat_ioctl()
1741 return -EFAULT; in ipmr_compat_ioctl()
1744 c = ipmr_cache_find(mrt, sr.src.s_addr, sr.grp.s_addr); in ipmr_compat_ioctl()
1746 sr.pktcnt = atomic_long_read(&c->_c.mfc_un.res.pkt); in ipmr_compat_ioctl()
1747 sr.bytecnt = atomic_long_read(&c->_c.mfc_un.res.bytes); in ipmr_compat_ioctl()
1748 sr.wrong_if = atomic_long_read(&c->_c.mfc_un.res.wrong_if); in ipmr_compat_ioctl()
1752 return -EFAULT; in ipmr_compat_ioctl()
1756 return -EADDRNOTAVAIL; in ipmr_compat_ioctl()
1758 return -ENOIOCTLCMD; in ipmr_compat_ioctl()
1765 struct net_device *dev = netdev_notifier_info_to_dev(ptr); in ipmr_device_event() local
1766 struct net *net = dev_net(dev); in ipmr_device_event()
1775 v = &mrt->vif_table[0]; in ipmr_device_event()
1776 for (ct = 0; ct < mrt->maxvif; ct++, v++) { in ipmr_device_event()
1777 if (rcu_access_pointer(v->dev) == dev) in ipmr_device_event()
1799 skb->transport_header = skb->network_header; in ip_encap()
1803 iph->version = 4; in ip_encap()
1804 iph->tos = old_iph->tos; in ip_encap()
1805 iph->ttl = old_iph->ttl; in ip_encap()
1806 iph->frag_off = 0; in ip_encap()
1807 iph->daddr = daddr; in ip_encap()
1808 iph->saddr = saddr; in ip_encap()
1809 iph->protocol = IPPROTO_IPIP; in ip_encap()
1810 iph->ihl = 5; in ip_encap()
1811 iph->tot_len = htons(skb->len); in ip_encap()
1815 memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); in ip_encap()
1822 struct ip_options *opt = &(IPCB(skb)->opt); in ipmr_forward_finish()
1826 if (unlikely(opt->optlen)) in ipmr_forward_finish()
1836 struct vif_device *out_vif = &mrt->vif_table[out_vifi]; in ipmr_forward_offloaded()
1837 struct vif_device *in_vif = &mrt->vif_table[in_vifi]; in ipmr_forward_offloaded()
1839 if (!skb->offload_l3_fwd_mark) in ipmr_forward_offloaded()
1841 if (!out_vif->dev_parent_id.id_len || !in_vif->dev_parent_id.id_len) in ipmr_forward_offloaded()
1843 return netdev_phys_item_id_same(&out_vif->dev_parent_id, in ipmr_forward_offloaded()
1844 &in_vif->dev_parent_id); in ipmr_forward_offloaded()
1860 struct vif_device *vif = &mrt->vif_table[vifi]; in ipmr_prepare_xmit()
1868 return -1; in ipmr_prepare_xmit()
1870 if (vif->flags & VIFF_REGISTER) { in ipmr_prepare_xmit()
1871 WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1); in ipmr_prepare_xmit()
1872 WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len); in ipmr_prepare_xmit()
1873 DEV_STATS_ADD(vif_dev, tx_bytes, skb->len); in ipmr_prepare_xmit()
1876 return -1; in ipmr_prepare_xmit()
1879 if (vif->flags & VIFF_TUNNEL) { in ipmr_prepare_xmit()
1881 vif->remote, vif->local, in ipmr_prepare_xmit()
1884 iph->tos & INET_DSCP_MASK, vif->link); in ipmr_prepare_xmit()
1886 return -1; in ipmr_prepare_xmit()
1889 rt = ip_route_output_ports(net, &fl4, NULL, iph->daddr, 0, in ipmr_prepare_xmit()
1892 iph->tos & INET_DSCP_MASK, vif->link); in ipmr_prepare_xmit()
1894 return -1; in ipmr_prepare_xmit()
1897 if (skb->len+encap > dst_mtu(&rt->dst) && (ntohs(iph->frag_off) & IP_DF)) { in ipmr_prepare_xmit()
1904 return -1; in ipmr_prepare_xmit()
1907 encap += LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len; in ipmr_prepare_xmit()
1911 return -1; in ipmr_prepare_xmit()
1914 WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1); in ipmr_prepare_xmit()
1915 WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len); in ipmr_prepare_xmit()
1918 skb_dst_set(skb, &rt->dst); in ipmr_prepare_xmit()
1922 * What do we do with netfilter? -- RR in ipmr_prepare_xmit()
1924 if (vif->flags & VIFF_TUNNEL) { in ipmr_prepare_xmit()
1925 ip_encap(net, skb, vif->local, vif->remote); in ipmr_prepare_xmit()
1926 /* FIXME: extra output firewall step used to be here. --RR */ in ipmr_prepare_xmit()
1928 DEV_STATS_ADD(vif_dev, tx_bytes, skb->len); in ipmr_prepare_xmit()
1947 IPCB(skb)->flags |= IPSKB_FORWARDED; in ipmr_queue_fwd_xmit()
1956 * not mrouter) cannot join to more than one interface - it will in ipmr_queue_fwd_xmit()
1960 net, NULL, skb, skb->dev, rt->dst.dev, in ipmr_queue_fwd_xmit()
1982 static int ipmr_find_vif(const struct mr_table *mrt, struct net_device *dev) in ipmr_find_vif() argument
1986 for (ct = READ_ONCE(mrt->maxvif) - 1; ct >= 0; ct--) { in ipmr_find_vif()
1987 if (rcu_access_pointer(mrt->vif_table[ct].dev) == dev) in ipmr_find_vif()
1996 struct net_device *dev, struct sk_buff *skb, in ip_mr_forward() argument
1999 int true_vifi = ipmr_find_vif(mrt, dev); in ip_mr_forward()
2000 int psend = -1; in ip_mr_forward()
2003 vif = c->_c.mfc_parent; in ip_mr_forward()
2004 atomic_long_inc(&c->_c.mfc_un.res.pkt); in ip_mr_forward()
2005 atomic_long_add(skb->len, &c->_c.mfc_un.res.bytes); in ip_mr_forward()
2006 WRITE_ONCE(c->_c.mfc_un.res.lastuse, jiffies); in ip_mr_forward()
2008 if (c->mfc_origin == htonl(INADDR_ANY) && true_vifi >= 0) { in ip_mr_forward()
2016 cache_proxy->_c.mfc_un.res.ttls[true_vifi] < 255) in ip_mr_forward()
2021 if (rcu_access_pointer(mrt->vif_table[vif].dev) != dev) { in ip_mr_forward()
2037 atomic_long_inc(&c->_c.mfc_un.res.wrong_if); in ip_mr_forward()
2039 if (true_vifi >= 0 && mrt->mroute_do_assert && in ip_mr_forward()
2043 * large chunk of pimd to kernel. Ough... --ANK in ip_mr_forward()
2045 (mrt->mroute_do_pim || in ip_mr_forward()
2046 c->_c.mfc_un.res.ttls[true_vifi] < 255) && in ip_mr_forward()
2048 c->_c.mfc_un.res.last_assert + in ip_mr_forward()
2050 c->_c.mfc_un.res.last_assert = jiffies; in ip_mr_forward()
2052 if (mrt->mroute_do_wrvifwhole) in ip_mr_forward()
2060 WRITE_ONCE(mrt->vif_table[vif].pkt_in, in ip_mr_forward()
2061 mrt->vif_table[vif].pkt_in + 1); in ip_mr_forward()
2062 WRITE_ONCE(mrt->vif_table[vif].bytes_in, in ip_mr_forward()
2063 mrt->vif_table[vif].bytes_in + skb->len); in ip_mr_forward()
2066 if (c->mfc_origin == htonl(INADDR_ANY) && in ip_mr_forward()
2067 c->mfc_mcastgrp == htonl(INADDR_ANY)) { in ip_mr_forward()
2069 true_vifi != c->_c.mfc_parent && in ip_mr_forward()
2070 ip_hdr(skb)->ttl > in ip_mr_forward()
2071 c->_c.mfc_un.res.ttls[c->_c.mfc_parent]) { in ip_mr_forward()
2076 psend = c->_c.mfc_parent; in ip_mr_forward()
2081 for (ct = c->_c.mfc_un.res.maxvif - 1; in ip_mr_forward()
2082 ct >= c->_c.mfc_un.res.minvif; ct--) { in ip_mr_forward()
2084 if ((c->mfc_origin != htonl(INADDR_ANY) || in ip_mr_forward()
2086 ip_hdr(skb)->ttl > c->_c.mfc_un.res.ttls[ct]) { in ip_mr_forward()
2087 if (psend != -1) { in ip_mr_forward()
2098 if (psend != -1) { in ip_mr_forward()
2121 .daddr = iph->daddr, in ipmr_rt_fib_lookup()
2122 .saddr = iph->saddr, in ipmr_rt_fib_lookup()
2125 skb->dev->ifindex : 0), in ipmr_rt_fib_lookup()
2128 skb->dev->ifindex), in ipmr_rt_fib_lookup()
2129 .flowi4_mark = skb->mark, in ipmr_rt_fib_lookup()
2146 struct net *net = dev_net(skb->dev); in ip_mr_input()
2147 int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL; in ip_mr_input()
2149 struct net_device *dev; in ip_mr_input() local
2151 /* skb->dev passed in is the loX master dev for vrfs. in ip_mr_input()
2155 dev = skb->dev; in ip_mr_input()
2156 if (netif_is_l3_master(skb->dev)) { in ip_mr_input()
2157 dev = dev_get_by_index_rcu(net, IPCB(skb)->iif); in ip_mr_input()
2158 if (!dev) { in ip_mr_input()
2160 return -ENODEV; in ip_mr_input()
2167 if (IPCB(skb)->flags & IPSKB_FORWARDED) in ip_mr_input()
2176 if (IPCB(skb)->opt.router_alert) { in ip_mr_input()
2179 } else if (ip_hdr(skb)->protocol == IPPROTO_IGMP) { in ip_mr_input()
2188 mroute_sk = rcu_dereference(mrt->mroute_sk); in ip_mr_input()
2198 cache = ipmr_cache_find(mrt, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr); in ip_mr_input()
2200 int vif = ipmr_find_vif(mrt, dev); in ip_mr_input()
2203 cache = ipmr_cache_find_any(mrt, ip_hdr(skb)->daddr, in ip_mr_input()
2215 return -ENOBUFS; in ip_mr_input()
2219 vif = ipmr_find_vif(mrt, dev); in ip_mr_input()
2221 return ipmr_cache_unresolved(mrt, vif, skb, dev); in ip_mr_input()
2223 return -ENODEV; in ip_mr_input()
2226 ip_mr_forward(net, mrt, dev, skb, cache, local); in ip_mr_input()
2241 struct net_device *dev, struct sk_buff *skb, in ip_mr_output_finish() argument
2244 int psend = -1; in ip_mr_output_finish()
2247 atomic_long_inc(&c->_c.mfc_un.res.pkt); in ip_mr_output_finish()
2248 atomic_long_add(skb->len, &c->_c.mfc_un.res.bytes); in ip_mr_output_finish()
2249 WRITE_ONCE(c->_c.mfc_un.res.lastuse, jiffies); in ip_mr_output_finish()
2252 if (c->mfc_origin == htonl(INADDR_ANY) && in ip_mr_output_finish()
2253 c->mfc_mcastgrp == htonl(INADDR_ANY)) { in ip_mr_output_finish()
2254 if (ip_hdr(skb)->ttl > in ip_mr_output_finish()
2255 c->_c.mfc_un.res.ttls[c->_c.mfc_parent]) { in ip_mr_output_finish()
2260 psend = c->_c.mfc_parent; in ip_mr_output_finish()
2266 for (ct = c->_c.mfc_un.res.maxvif - 1; in ip_mr_output_finish()
2267 ct >= c->_c.mfc_un.res.minvif; ct--) { in ip_mr_output_finish()
2268 if (ip_hdr(skb)->ttl > c->_c.mfc_un.res.ttls[ct]) { in ip_mr_output_finish()
2269 if (psend != -1) { in ip_mr_output_finish()
2282 if (psend != -1) { in ip_mr_output_finish()
2298 struct net_device *dev; in ip_mr_output() local
2304 dev = rt->dst.dev; in ip_mr_output()
2306 if (IPCB(skb)->flags & IPSKB_FORWARDED) in ip_mr_output()
2308 if (!(IPCB(skb)->flags & IPSKB_MCROUTE)) in ip_mr_output()
2311 skb->dev = dev; in ip_mr_output()
2317 cache = ipmr_cache_find(mrt, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr); in ip_mr_output()
2319 vif = ipmr_find_vif(mrt, dev); in ip_mr_output()
2321 cache = ipmr_cache_find_any(mrt, ip_hdr(skb)->daddr, in ip_mr_output()
2327 vif = ipmr_find_vif(mrt, dev); in ip_mr_output()
2329 return ipmr_cache_unresolved(mrt, vif, skb, dev); in ip_mr_output()
2333 vif = cache->_c.mfc_parent; in ip_mr_output()
2334 if (rcu_access_pointer(mrt->vif_table[vif].dev) != dev) in ip_mr_output()
2337 ip_mr_output_finish(net, mrt, dev, skb, cache); in ip_mr_output()
2349 struct net *net = dev_net(skb->dev); in pim_rcv_v1()
2360 if (!mrt->mroute_do_pim || in pim_rcv_v1()
2361 pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER) in pim_rcv_v1()
2376 struct net *net = dev_net(skb->dev); in pim_rcv()
2383 if (pim->type != ((PIM_VERSION << 4) | (PIM_TYPE_REGISTER)) || in pim_rcv()
2384 (pim->flags & PIM_NULL_REGISTER) || in pim_rcv()
2386 csum_fold(skb_checksum(skb, 0, skb->len, 0)))) in pim_rcv()
2412 return -ENOENT; in ipmr_get_route()
2416 if (!cache && skb->dev) { in ipmr_get_route()
2417 int vif = ipmr_find_vif(mrt, skb->dev); in ipmr_get_route()
2425 struct net_device *dev; in ipmr_get_route() local
2426 int vif = -1; in ipmr_get_route()
2428 dev = skb->dev; in ipmr_get_route()
2429 if (dev) in ipmr_get_route()
2430 vif = ipmr_find_vif(mrt, dev); in ipmr_get_route()
2433 return -ENODEV; in ipmr_get_route()
2439 return -ENOMEM; in ipmr_get_route()
2446 iph->ihl = sizeof(struct iphdr) >> 2; in ipmr_get_route()
2447 iph->saddr = saddr; in ipmr_get_route()
2448 iph->daddr = daddr; in ipmr_get_route()
2449 iph->version = 0; in ipmr_get_route()
2450 err = ipmr_cache_unresolved(mrt, vif, skb2, dev); in ipmr_get_route()
2455 err = mr_fill_mroute(mrt, skb, &cache->_c, rtm); in ipmr_get_route()
2470 return -EMSGSIZE; in ipmr_fill_mroute()
2473 rtm->rtm_family = RTNL_FAMILY_IPMR; in ipmr_fill_mroute()
2474 rtm->rtm_dst_len = 32; in ipmr_fill_mroute()
2475 rtm->rtm_src_len = 32; in ipmr_fill_mroute()
2476 rtm->rtm_tos = 0; in ipmr_fill_mroute()
2477 rtm->rtm_table = mrt->id; in ipmr_fill_mroute()
2478 if (nla_put_u32(skb, RTA_TABLE, mrt->id)) in ipmr_fill_mroute()
2480 rtm->rtm_type = RTN_MULTICAST; in ipmr_fill_mroute()
2481 rtm->rtm_scope = RT_SCOPE_UNIVERSE; in ipmr_fill_mroute()
2482 if (c->_c.mfc_flags & MFC_STATIC) in ipmr_fill_mroute()
2483 rtm->rtm_protocol = RTPROT_STATIC; in ipmr_fill_mroute()
2485 rtm->rtm_protocol = RTPROT_MROUTED; in ipmr_fill_mroute()
2486 rtm->rtm_flags = 0; in ipmr_fill_mroute()
2488 if (nla_put_in_addr(skb, RTA_SRC, c->mfc_origin) || in ipmr_fill_mroute()
2489 nla_put_in_addr(skb, RTA_DST, c->mfc_mcastgrp)) in ipmr_fill_mroute()
2491 err = mr_fill_mroute(mrt, skb, &c->_c, rtm); in ipmr_fill_mroute()
2493 if (err < 0 && err != -ENOENT) in ipmr_fill_mroute()
2501 return -EMSGSIZE; in ipmr_fill_mroute()
2536 struct net *net = read_pnet(&mrt->net); in mroute_netlink_event()
2538 int err = -ENOBUFS; in mroute_netlink_event()
2540 skb = nlmsg_new(mroute_msgsize(mfc->_c.mfc_parent >= MAXVIFS, in mroute_netlink_event()
2541 mrt->maxvif), in mroute_netlink_event()
2576 struct net *net = read_pnet(&mrt->net); in igmpmsg_netlink_event()
2584 payloadlen = pkt->len - sizeof(struct igmpmsg); in igmpmsg_netlink_event()
2596 rtgenm->rtgen_family = RTNL_FAMILY_IPMR; in igmpmsg_netlink_event()
2597 if (nla_put_u8(skb, IPMRA_CREPORT_MSGTYPE, msg->im_msgtype) || in igmpmsg_netlink_event()
2598 nla_put_u32(skb, IPMRA_CREPORT_VIF_ID, msg->im_vif | (msg->im_vif_hi << 8)) || in igmpmsg_netlink_event()
2600 msg->im_src.s_addr) || in igmpmsg_netlink_event()
2602 msg->im_dst.s_addr) || in igmpmsg_netlink_event()
2603 nla_put_u32(skb, IPMRA_CREPORT_TABLE, mrt->id)) in igmpmsg_netlink_event()
2620 rtnl_set_sk_err(net, RTNLGRP_IPV4_MROUTE_R, -ENOBUFS); in igmpmsg_netlink_event()
2634 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2641 if ((rtm->rtm_src_len && rtm->rtm_src_len != 32) || in ipmr_rtm_valid_getroute_req()
2642 (rtm->rtm_dst_len && rtm->rtm_dst_len != 32) || in ipmr_rtm_valid_getroute_req()
2643 rtm->rtm_tos || rtm->rtm_table || rtm->rtm_protocol || in ipmr_rtm_valid_getroute_req()
2644 rtm->rtm_scope || rtm->rtm_type || rtm->rtm_flags) { in ipmr_rtm_valid_getroute_req()
2646 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2654 if ((tb[RTA_SRC] && !rtm->rtm_src_len) || in ipmr_rtm_valid_getroute_req()
2655 (tb[RTA_DST] && !rtm->rtm_dst_len)) { in ipmr_rtm_valid_getroute_req()
2657 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2671 return -EINVAL; in ipmr_rtm_valid_getroute_req()
2681 struct net *net = sock_net(in_skb->sk); in ipmr_rtm_getroute()
2686 __be32 src, grp; in ipmr_rtm_getroute() local
2695 grp = nla_get_in_addr_default(tb[RTA_DST], 0); in ipmr_rtm_getroute()
2700 err = -ENOENT; in ipmr_rtm_getroute()
2706 cache = ipmr_cache_find(mrt, src, grp); in ipmr_rtm_getroute()
2709 err = -ENOENT; in ipmr_rtm_getroute()
2713 skb = nlmsg_new(mroute_msgsize(false, mrt->maxvif), GFP_KERNEL); in ipmr_rtm_getroute()
2715 err = -ENOBUFS; in ipmr_rtm_getroute()
2720 nlh->nlmsg_seq, cache, in ipmr_rtm_getroute()
2742 if (cb->strict_check) { in ipmr_rtm_dumproute()
2743 err = ip_valid_fib_dump_req(sock_net(skb->sk), cb->nlh, in ipmr_rtm_dumproute()
2752 mrt = __ipmr_get_table(sock_net(skb->sk), filter.table_id); in ipmr_rtm_dumproute()
2754 if (rtnl_msg_family(cb->nlh) != RTNL_FAMILY_IPMR) in ipmr_rtm_dumproute()
2755 return skb->len; in ipmr_rtm_dumproute()
2757 NL_SET_ERR_MSG(cb->extack, "ipv4: MR table does not exist"); in ipmr_rtm_dumproute()
2758 return -ENOENT; in ipmr_rtm_dumproute()
2762 return skb->len ? : err; in ipmr_rtm_dumproute()
2793 mfcc->mfcc_ttls[vifi] = rtnh->rtnh_hops; in ipmr_nla_get_ttls()
2799 return remaining > 0 ? -EINVAL : vifi; in ipmr_nla_get_ttls()
2808 struct net_device *dev = NULL; in rtm_to_ipmr_mfcc() local
2821 ret = -EINVAL; in rtm_to_ipmr_mfcc()
2822 if (rtm->rtm_family != RTNL_FAMILY_IPMR || rtm->rtm_dst_len != 32 || in rtm_to_ipmr_mfcc()
2823 rtm->rtm_type != RTN_MULTICAST || in rtm_to_ipmr_mfcc()
2824 rtm->rtm_scope != RT_SCOPE_UNIVERSE || in rtm_to_ipmr_mfcc()
2825 !ipmr_rtm_validate_proto(rtm->rtm_protocol)) in rtm_to_ipmr_mfcc()
2829 mfcc->mfcc_parent = -1; in rtm_to_ipmr_mfcc()
2834 mfcc->mfcc_origin.s_addr = nla_get_be32(attr); in rtm_to_ipmr_mfcc()
2837 mfcc->mfcc_mcastgrp.s_addr = nla_get_be32(attr); in rtm_to_ipmr_mfcc()
2840 dev = __dev_get_by_index(net, nla_get_u32(attr)); in rtm_to_ipmr_mfcc()
2841 if (!dev) { in rtm_to_ipmr_mfcc()
2842 ret = -ENODEV; in rtm_to_ipmr_mfcc()
2848 ret = -EINVAL; in rtm_to_ipmr_mfcc()
2862 ret = -ENOENT; in rtm_to_ipmr_mfcc()
2866 *mrtsock = rtm->rtm_protocol == RTPROT_MROUTED ? 1 : 0; in rtm_to_ipmr_mfcc()
2867 if (dev) in rtm_to_ipmr_mfcc()
2868 mfcc->mfcc_parent = ipmr_find_vif(mrt, dev); in rtm_to_ipmr_mfcc()
2878 struct net *net = sock_net(skb->sk); in ipmr_rtm_route()
2889 parent = ret ? mfcc.mfcc_parent : -1; in ipmr_rtm_route()
2890 if (nlh->nlmsg_type == RTM_NEWROUTE) in ipmr_rtm_route()
2898 u32 queue_len = atomic_read(&mrt->cache_resolve_queue_len); in ipmr_fill_table()
2900 if (nla_put_u32(skb, IPMRA_TABLE_ID, mrt->id) || in ipmr_fill_table()
2903 mrt->mroute_reg_vif_num) || in ipmr_fill_table()
2905 mrt->mroute_do_assert) || in ipmr_fill_table()
2906 nla_put_u8(skb, IPMRA_TABLE_MROUTE_DO_PIM, mrt->mroute_do_pim) || in ipmr_fill_table()
2908 mrt->mroute_do_wrvifwhole)) in ipmr_fill_table()
2920 vif = &mrt->vif_table[vifid]; in ipmr_fill_vif()
2921 vif_dev = rtnl_dereference(vif->dev); in ipmr_fill_vif()
2930 if (nla_put_u32(skb, IPMRA_VIFA_IFINDEX, vif_dev->ifindex) || in ipmr_fill_vif()
2932 nla_put_u16(skb, IPMRA_VIFA_FLAGS, vif->flags) || in ipmr_fill_vif()
2933 nla_put_u64_64bit(skb, IPMRA_VIFA_BYTES_IN, vif->bytes_in, in ipmr_fill_vif()
2935 nla_put_u64_64bit(skb, IPMRA_VIFA_BYTES_OUT, vif->bytes_out, in ipmr_fill_vif()
2937 nla_put_u64_64bit(skb, IPMRA_VIFA_PACKETS_IN, vif->pkt_in, in ipmr_fill_vif()
2939 nla_put_u64_64bit(skb, IPMRA_VIFA_PACKETS_OUT, vif->pkt_out, in ipmr_fill_vif()
2941 nla_put_be32(skb, IPMRA_VIFA_LOCAL_ADDR, vif->local) || in ipmr_fill_vif()
2942 nla_put_be32(skb, IPMRA_VIFA_REMOTE_ADDR, vif->remote)) { in ipmr_fill_vif()
2959 return -EINVAL; in ipmr_valid_dumplink()
2964 return -EINVAL; in ipmr_valid_dumplink()
2967 if (ifm->__ifi_pad || ifm->ifi_type || ifm->ifi_flags || in ipmr_valid_dumplink()
2968 ifm->ifi_change || ifm->ifi_index) { in ipmr_valid_dumplink()
2970 return -EINVAL; in ipmr_valid_dumplink()
2978 struct net *net = sock_net(skb->sk); in ipmr_rtm_dumplink()
2984 if (cb->strict_check) { in ipmr_rtm_dumplink()
2985 int err = ipmr_valid_dumplink(cb->nlh, cb->extack); in ipmr_rtm_dumplink()
2991 s_t = cb->args[0]; in ipmr_rtm_dumplink()
2992 s_e = cb->args[1]; in ipmr_rtm_dumplink()
3001 nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, in ipmr_rtm_dumplink()
3002 cb->nlh->nlmsg_seq, RTM_NEWLINK, in ipmr_rtm_dumplink()
3009 hdr->ifi_family = RTNL_FAMILY_IPMR; in ipmr_rtm_dumplink()
3028 for (i = 0; i < mrt->maxvif; i++) { in ipmr_rtm_dumplink()
3050 cb->args[1] = e; in ipmr_rtm_dumplink()
3051 cb->args[0] = t; in ipmr_rtm_dumplink()
3053 return skb->len; in ipmr_rtm_dumplink()
3064 struct mr_vif_iter *iter = seq->private; in ipmr_vif_seq_start()
3072 return ERR_PTR(-ENOENT); in ipmr_vif_seq_start()
3075 iter->mrt = mrt; in ipmr_vif_seq_start()
3088 struct mr_vif_iter *iter = seq->private; in ipmr_vif_seq_show()
3089 struct mr_table *mrt = iter->mrt; in ipmr_vif_seq_show()
3100 name = vif_dev ? vif_dev->name : "none"; in ipmr_vif_seq_show()
3102 "%2td %-10s %8ld %7ld %8ld %7ld %05X %08X %08X\n", in ipmr_vif_seq_show()
3103 vif - mrt->vif_table, in ipmr_vif_seq_show()
3104 name, vif->bytes_in, vif->pkt_in, in ipmr_vif_seq_show()
3105 vif->bytes_out, vif->pkt_out, in ipmr_vif_seq_show()
3106 vif->flags, vif->local, vif->remote); in ipmr_vif_seq_show()
3125 return ERR_PTR(-ENOENT); in ipmr_mfc_seq_start()
3139 const struct mr_mfc_iter *it = seq->private; in ipmr_mfc_seq_show()
3140 const struct mr_table *mrt = it->mrt; in ipmr_mfc_seq_show()
3142 seq_printf(seq, "%08X %08X %-3hd", in ipmr_mfc_seq_show()
3143 (__force u32) mfc->mfc_mcastgrp, in ipmr_mfc_seq_show()
3144 (__force u32) mfc->mfc_origin, in ipmr_mfc_seq_show()
3145 mfc->_c.mfc_parent); in ipmr_mfc_seq_show()
3147 if (it->cache != &mrt->mfc_unres_queue) { in ipmr_mfc_seq_show()
3149 atomic_long_read(&mfc->_c.mfc_un.res.pkt), in ipmr_mfc_seq_show()
3150 atomic_long_read(&mfc->_c.mfc_un.res.bytes), in ipmr_mfc_seq_show()
3151 atomic_long_read(&mfc->_c.mfc_un.res.wrong_if)); in ipmr_mfc_seq_show()
3152 for (n = mfc->_c.mfc_un.res.minvif; in ipmr_mfc_seq_show()
3153 n < mfc->_c.mfc_un.res.maxvif; n++) { in ipmr_mfc_seq_show()
3155 mfc->_c.mfc_un.res.ttls[n] < 255) in ipmr_mfc_seq_show()
3157 " %2d:%-3d", in ipmr_mfc_seq_show()
3158 n, mfc->_c.mfc_un.res.ttls[n]); in ipmr_mfc_seq_show()
3187 return READ_ONCE(net->ipv4.ipmr_seq) + ipmr_rules_seq_read(net); in ipmr_seq_read()
3208 net->ipv4.ipmr_seq = 0; in ipmr_notifier_init()
3213 net->ipv4.ipmr_notifier_ops = ops; in ipmr_notifier_init()
3220 fib_notifier_ops_unregister(net->ipv4.ipmr_notifier_ops); in ipmr_notifier_exit()
3221 net->ipv4.ipmr_notifier_ops = NULL; in ipmr_notifier_exit()
3238 err = -ENOMEM; in ipmr_net_init()
3239 if (!proc_create_net("ip_mr_vif", 0, net->proc_net, &ipmr_vif_seq_ops, in ipmr_net_init()
3242 if (!proc_create_net("ip_mr_cache", 0, net->proc_net, &ipmr_mfc_seq_ops, in ipmr_net_init()
3250 remove_proc_entry("ip_mr_vif", net->proc_net); in ipmr_net_init()
3265 remove_proc_entry("ip_mr_cache", net->proc_net); in ipmr_net_exit()
3266 remove_proc_entry("ip_mr_vif", net->proc_net); in ipmr_net_exit()
3314 err = -EAGAIN; in ip_mr_init()