Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Bridge netlink control interface |
| 4 | * |
| 5 | * Authors: |
| 6 | * Stephen Hemminger <shemminger@osdl.org> |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #include <linux/kernel.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 10 | #include <linux/slab.h> |
stephen hemminger | bb900b2 | 2011-04-04 14:03:32 +0000 | [diff] [blame] | 11 | #include <linux/etherdevice.h> |
Thomas Graf | 32fe21c | 2007-03-22 11:59:03 -0700 | [diff] [blame] | 12 | #include <net/rtnetlink.h> |
Eric W. Biederman | 881d966 | 2007-09-17 11:56:21 -0700 | [diff] [blame] | 13 | #include <net/net_namespace.h> |
Denis V. Lunev | b854272 | 2007-12-01 00:21:31 +1100 | [diff] [blame] | 14 | #include <net/sock.h> |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 15 | #include <uapi/linux/if_bridge.h> |
stephen hemminger | bb900b2 | 2011-04-04 14:03:32 +0000 | [diff] [blame] | 16 | |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 17 | #include "br_private.h" |
Vitalii Demianets | b03b6dd | 2011-11-25 00:16:37 +0000 | [diff] [blame] | 18 | #include "br_private_stp.h" |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 19 | #include "br_private_tunnel.h" |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 20 | |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 21 | static int __get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 22 | u32 filter_mask) |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 23 | { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 24 | struct net_bridge_vlan *v; |
| 25 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 26 | u16 flags, pvid; |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 27 | int num_vlans = 0; |
| 28 | |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 29 | if (!(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) |
| 30 | return 0; |
| 31 | |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 32 | pvid = br_get_pvid(vg); |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 33 | /* Count number of vlan infos */ |
Nikolay Aleksandrov | 586c2b5 | 2015-10-02 15:05:10 +0200 | [diff] [blame] | 34 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 35 | flags = 0; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 36 | /* only a context, bridge vlan not activated */ |
| 37 | if (!br_vlan_should_use(v)) |
| 38 | continue; |
| 39 | if (v->vid == pvid) |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 40 | flags |= BRIDGE_VLAN_INFO_PVID; |
| 41 | |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 42 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 43 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
| 44 | |
| 45 | if (vid_range_start == 0) { |
| 46 | goto initvars; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 47 | } else if ((v->vid - vid_range_end) == 1 && |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 48 | flags == vid_range_flags) { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 49 | vid_range_end = v->vid; |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 50 | continue; |
| 51 | } else { |
| 52 | if ((vid_range_end - vid_range_start) > 0) |
| 53 | num_vlans += 2; |
| 54 | else |
| 55 | num_vlans += 1; |
| 56 | } |
| 57 | initvars: |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 58 | vid_range_start = v->vid; |
| 59 | vid_range_end = v->vid; |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 60 | vid_range_flags = flags; |
| 61 | } |
| 62 | |
| 63 | if (vid_range_start != 0) { |
| 64 | if ((vid_range_end - vid_range_start) > 0) |
| 65 | num_vlans += 2; |
| 66 | else |
| 67 | num_vlans += 1; |
| 68 | } |
| 69 | |
| 70 | return num_vlans; |
| 71 | } |
| 72 | |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 73 | static int br_get_num_vlan_infos(struct net_bridge_vlan_group *vg, |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 74 | u32 filter_mask) |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 75 | { |
Nikolay Aleksandrov | 586c2b5 | 2015-10-02 15:05:10 +0200 | [diff] [blame] | 76 | int num_vlans; |
| 77 | |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 78 | if (!vg) |
| 79 | return 0; |
| 80 | |
| 81 | if (filter_mask & RTEXT_FILTER_BRVLAN) |
| 82 | return vg->num_vlans; |
| 83 | |
Nikolay Aleksandrov | 586c2b5 | 2015-10-02 15:05:10 +0200 | [diff] [blame] | 84 | rcu_read_lock(); |
| 85 | num_vlans = __get_num_vlan_infos(vg, filter_mask); |
| 86 | rcu_read_unlock(); |
| 87 | |
| 88 | return num_vlans; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 89 | } |
| 90 | |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 91 | static size_t br_get_link_af_size_filtered(const struct net_device *dev, |
| 92 | u32 filter_mask) |
Roopa Prabhu | b7853d7 | 2015-02-21 20:21:51 -0800 | [diff] [blame] | 93 | { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 94 | struct net_bridge_vlan_group *vg = NULL; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 95 | struct net_bridge_port *p = NULL; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 96 | struct net_bridge *br; |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 97 | int num_vlan_infos; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 98 | size_t vinfo_sz = 0; |
Roopa Prabhu | b7853d7 | 2015-02-21 20:21:51 -0800 | [diff] [blame] | 99 | |
Johannes Berg | 2f56f6b | 2015-03-03 16:02:16 +0100 | [diff] [blame] | 100 | rcu_read_lock(); |
Julian Wiedmann | 35f861e | 2019-03-29 14:38:19 +0100 | [diff] [blame] | 101 | if (netif_is_bridge_port(dev)) { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 102 | p = br_port_get_rcu(dev); |
Nikolay Aleksandrov | 907b1e6 | 2015-10-12 21:47:02 +0200 | [diff] [blame] | 103 | vg = nbp_vlan_group_rcu(p); |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 104 | } else if (dev->priv_flags & IFF_EBRIDGE) { |
| 105 | br = netdev_priv(dev); |
Nikolay Aleksandrov | 907b1e6 | 2015-10-12 21:47:02 +0200 | [diff] [blame] | 106 | vg = br_vlan_group_rcu(br); |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 107 | } |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 108 | num_vlan_infos = br_get_num_vlan_infos(vg, filter_mask); |
Johannes Berg | 2f56f6b | 2015-03-03 16:02:16 +0100 | [diff] [blame] | 109 | rcu_read_unlock(); |
Roopa Prabhu | b7853d7 | 2015-02-21 20:21:51 -0800 | [diff] [blame] | 110 | |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 111 | if (p && (p->flags & BR_VLAN_TUNNEL)) |
| 112 | vinfo_sz += br_get_vlan_tunnel_info_size(vg); |
| 113 | |
Roopa Prabhu | b7853d7 | 2015-02-21 20:21:51 -0800 | [diff] [blame] | 114 | /* Each VLAN is returned in bridge_vlan_info along with flags */ |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 115 | vinfo_sz += num_vlan_infos * nla_total_size(sizeof(struct bridge_vlan_info)); |
| 116 | |
| 117 | return vinfo_sz; |
Roopa Prabhu | b7853d7 | 2015-02-21 20:21:51 -0800 | [diff] [blame] | 118 | } |
| 119 | |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 120 | static inline size_t br_port_info_size(void) |
| 121 | { |
| 122 | return nla_total_size(1) /* IFLA_BRPORT_STATE */ |
| 123 | + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */ |
| 124 | + nla_total_size(4) /* IFLA_BRPORT_COST */ |
| 125 | + nla_total_size(1) /* IFLA_BRPORT_MODE */ |
stephen hemminger | a2e01a6 | 2012-11-13 07:53:07 +0000 | [diff] [blame] | 126 | + nla_total_size(1) /* IFLA_BRPORT_GUARD */ |
stephen hemminger | 1007dd1 | 2012-11-13 07:53:08 +0000 | [diff] [blame] | 127 | + nla_total_size(1) /* IFLA_BRPORT_PROTECT */ |
stephen hemminger | 3da889b | 2013-03-11 13:52:17 +0000 | [diff] [blame] | 128 | + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ |
Felix Fietkau | 6db6f0e | 2017-01-21 21:01:32 +0100 | [diff] [blame] | 129 | + nla_total_size(1) /* IFLA_BRPORT_MCAST_TO_UCAST */ |
Vlad Yasevich | 9ba1889 | 2013-06-05 10:08:00 -0400 | [diff] [blame] | 130 | + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ |
Vlad Yasevich | 867a594 | 2013-06-05 10:08:01 -0400 | [diff] [blame] | 131 | + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ |
Tobias Klauser | 9051247 | 2017-05-05 16:36:53 +0200 | [diff] [blame] | 132 | + nla_total_size(1) /* IFLA_BRPORT_MCAST_FLOOD */ |
| 133 | + nla_total_size(1) /* IFLA_BRPORT_BCAST_FLOOD */ |
Nikolay Aleksandrov | 355b9f9 | 2015-08-04 19:06:32 +0200 | [diff] [blame] | 134 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ |
Nikolay Aleksandrov | 786c207 | 2015-08-04 19:06:33 +0200 | [diff] [blame] | 135 | + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 136 | + nla_total_size(1) /* IFLA_BRPORT_VLAN_TUNNEL */ |
Roopa Prabhu | 821f1b2 | 2017-10-06 22:12:37 -0700 | [diff] [blame] | 137 | + nla_total_size(1) /* IFLA_BRPORT_NEIGH_SUPPRESS */ |
Nikolay Aleksandrov | 7d850ab | 2018-05-24 11:56:48 +0300 | [diff] [blame] | 138 | + nla_total_size(1) /* IFLA_BRPORT_ISOLATED */ |
Nikolay Aleksandrov | 4ebc766 | 2015-10-06 14:11:55 +0200 | [diff] [blame] | 139 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_ROOT_ID */ |
Nikolay Aleksandrov | 80df9a2 | 2015-10-06 14:11:56 +0200 | [diff] [blame] | 140 | + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_BRIDGE_ID */ |
Nikolay Aleksandrov | 96f94e7 | 2015-10-06 14:11:57 +0200 | [diff] [blame] | 141 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_PORT */ |
| 142 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_COST */ |
Nikolay Aleksandrov | 42d452c | 2015-10-06 14:11:58 +0200 | [diff] [blame] | 143 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_ID */ |
| 144 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_NO */ |
Nikolay Aleksandrov | e08e838 | 2015-10-06 14:11:59 +0200 | [diff] [blame] | 145 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */ |
| 146 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_CONFIG_PENDING */ |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 147 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */ |
| 148 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */ |
| 149 | + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_HOLD_TIMER */ |
Nikolay Aleksandrov | 5d6ae47 | 2015-10-06 14:12:02 +0200 | [diff] [blame] | 150 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
| 151 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */ |
| 152 | #endif |
Nikolay Aleksandrov | 5af48b5 | 2017-09-27 16:12:44 +0300 | [diff] [blame] | 153 | + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */ |
Horatiu Vultur | 3e54442 | 2020-04-26 15:22:01 +0200 | [diff] [blame] | 154 | + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_RING_OPEN */ |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 155 | + 0; |
| 156 | } |
| 157 | |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 158 | static inline size_t br_nlmsg_size(struct net_device *dev, u32 filter_mask) |
Thomas Graf | 339bf98 | 2006-11-10 14:10:15 -0800 | [diff] [blame] | 159 | { |
| 160 | return NLMSG_ALIGN(sizeof(struct ifinfomsg)) |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 161 | + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */ |
| 162 | + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */ |
| 163 | + nla_total_size(4) /* IFLA_MASTER */ |
| 164 | + nla_total_size(4) /* IFLA_MTU */ |
| 165 | + nla_total_size(4) /* IFLA_LINK */ |
| 166 | + nla_total_size(1) /* IFLA_OPERSTATE */ |
Roopa Prabhu | b7853d7 | 2015-02-21 20:21:51 -0800 | [diff] [blame] | 167 | + nla_total_size(br_port_info_size()) /* IFLA_PROTINFO */ |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 168 | + nla_total_size(br_get_link_af_size_filtered(dev, |
Nikolay Aleksandrov | 2756f68 | 2018-07-23 11:16:59 +0300 | [diff] [blame] | 169 | filter_mask)) /* IFLA_AF_SPEC */ |
| 170 | + nla_total_size(4); /* IFLA_BRPORT_BACKUP_PORT */ |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | static int br_port_fill_attrs(struct sk_buff *skb, |
| 174 | const struct net_bridge_port *p) |
| 175 | { |
| 176 | u8 mode = !!(p->flags & BR_HAIRPIN_MODE); |
Nikolay Aleksandrov | 2756f68 | 2018-07-23 11:16:59 +0300 | [diff] [blame] | 177 | struct net_bridge_port *backup_p; |
Nikolay Aleksandrov | 61c0a9a | 2015-10-06 14:12:00 +0200 | [diff] [blame] | 178 | u64 timerval; |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 179 | |
| 180 | if (nla_put_u8(skb, IFLA_BRPORT_STATE, p->state) || |
| 181 | nla_put_u16(skb, IFLA_BRPORT_PRIORITY, p->priority) || |
| 182 | nla_put_u32(skb, IFLA_BRPORT_COST, p->path_cost) || |
stephen hemminger | a2e01a6 | 2012-11-13 07:53:07 +0000 | [diff] [blame] | 183 | nla_put_u8(skb, IFLA_BRPORT_MODE, mode) || |
stephen hemminger | 1007dd1 | 2012-11-13 07:53:08 +0000 | [diff] [blame] | 184 | nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) || |
Nikolay Aleksandrov | b6cb5ac | 2016-08-31 15:36:52 +0200 | [diff] [blame] | 185 | nla_put_u8(skb, IFLA_BRPORT_PROTECT, |
| 186 | !!(p->flags & BR_ROOT_BLOCK)) || |
| 187 | nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, |
| 188 | !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || |
Felix Fietkau | 6db6f0e | 2017-01-21 21:01:32 +0100 | [diff] [blame] | 189 | nla_put_u8(skb, IFLA_BRPORT_MCAST_TO_UCAST, |
| 190 | !!(p->flags & BR_MULTICAST_TO_UNICAST)) || |
Vlad Yasevich | 867a594 | 2013-06-05 10:08:01 -0400 | [diff] [blame] | 191 | nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) || |
Nikolay Aleksandrov | b6cb5ac | 2016-08-31 15:36:52 +0200 | [diff] [blame] | 192 | nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, |
| 193 | !!(p->flags & BR_FLOOD)) || |
| 194 | nla_put_u8(skb, IFLA_BRPORT_MCAST_FLOOD, |
| 195 | !!(p->flags & BR_MCAST_FLOOD)) || |
Mike Manning | 99f906e | 2017-04-26 14:48:09 +0100 | [diff] [blame] | 196 | nla_put_u8(skb, IFLA_BRPORT_BCAST_FLOOD, |
| 197 | !!(p->flags & BR_BCAST_FLOOD)) || |
Jouni Malinen | 842a9ae | 2015-03-04 12:54:21 +0200 | [diff] [blame] | 198 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP, !!(p->flags & BR_PROXYARP)) || |
| 199 | nla_put_u8(skb, IFLA_BRPORT_PROXYARP_WIFI, |
Nikolay Aleksandrov | 4ebc766 | 2015-10-06 14:11:55 +0200 | [diff] [blame] | 200 | !!(p->flags & BR_PROXYARP_WIFI)) || |
| 201 | nla_put(skb, IFLA_BRPORT_ROOT_ID, sizeof(struct ifla_bridge_id), |
Nikolay Aleksandrov | 80df9a2 | 2015-10-06 14:11:56 +0200 | [diff] [blame] | 202 | &p->designated_root) || |
| 203 | nla_put(skb, IFLA_BRPORT_BRIDGE_ID, sizeof(struct ifla_bridge_id), |
Nikolay Aleksandrov | 96f94e7 | 2015-10-06 14:11:57 +0200 | [diff] [blame] | 204 | &p->designated_bridge) || |
| 205 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_PORT, p->designated_port) || |
Nikolay Aleksandrov | 42d452c | 2015-10-06 14:11:58 +0200 | [diff] [blame] | 206 | nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost) || |
| 207 | nla_put_u16(skb, IFLA_BRPORT_ID, p->port_id) || |
Nikolay Aleksandrov | e08e838 | 2015-10-06 14:11:59 +0200 | [diff] [blame] | 208 | nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) || |
| 209 | nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, |
| 210 | p->topology_change_ack) || |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 211 | nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending) || |
| 212 | nla_put_u8(skb, IFLA_BRPORT_VLAN_TUNNEL, !!(p->flags & |
Nikolay Aleksandrov | 5af48b5 | 2017-09-27 16:12:44 +0300 | [diff] [blame] | 213 | BR_VLAN_TUNNEL)) || |
Roopa Prabhu | 821f1b2 | 2017-10-06 22:12:37 -0700 | [diff] [blame] | 214 | nla_put_u16(skb, IFLA_BRPORT_GROUP_FWD_MASK, p->group_fwd_mask) || |
| 215 | nla_put_u8(skb, IFLA_BRPORT_NEIGH_SUPPRESS, |
Nikolay Aleksandrov | 7d850ab | 2018-05-24 11:56:48 +0300 | [diff] [blame] | 216 | !!(p->flags & BR_NEIGH_SUPPRESS)) || |
Horatiu Vultur | 3e54442 | 2020-04-26 15:22:01 +0200 | [diff] [blame] | 217 | nla_put_u8(skb, IFLA_BRPORT_MRP_RING_OPEN, !!(p->flags & |
| 218 | BR_MRP_LOST_CONT)) || |
Nikolay Aleksandrov | 7d850ab | 2018-05-24 11:56:48 +0300 | [diff] [blame] | 219 | nla_put_u8(skb, IFLA_BRPORT_ISOLATED, !!(p->flags & BR_ISOLATED))) |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 220 | return -EMSGSIZE; |
| 221 | |
Nikolay Aleksandrov | 61c0a9a | 2015-10-06 14:12:00 +0200 | [diff] [blame] | 222 | timerval = br_timer_value(&p->message_age_timer); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 223 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval, |
| 224 | IFLA_BRPORT_PAD)) |
Nikolay Aleksandrov | 61c0a9a | 2015-10-06 14:12:00 +0200 | [diff] [blame] | 225 | return -EMSGSIZE; |
| 226 | timerval = br_timer_value(&p->forward_delay_timer); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 227 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval, |
| 228 | IFLA_BRPORT_PAD)) |
Nikolay Aleksandrov | 61c0a9a | 2015-10-06 14:12:00 +0200 | [diff] [blame] | 229 | return -EMSGSIZE; |
| 230 | timerval = br_timer_value(&p->hold_timer); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 231 | if (nla_put_u64_64bit(skb, IFLA_BRPORT_HOLD_TIMER, timerval, |
| 232 | IFLA_BRPORT_PAD)) |
Nikolay Aleksandrov | 61c0a9a | 2015-10-06 14:12:00 +0200 | [diff] [blame] | 233 | return -EMSGSIZE; |
| 234 | |
Nikolay Aleksandrov | 5d6ae47 | 2015-10-06 14:12:02 +0200 | [diff] [blame] | 235 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
| 236 | if (nla_put_u8(skb, IFLA_BRPORT_MULTICAST_ROUTER, |
| 237 | p->multicast_router)) |
| 238 | return -EMSGSIZE; |
| 239 | #endif |
| 240 | |
Nikolay Aleksandrov | 2756f68 | 2018-07-23 11:16:59 +0300 | [diff] [blame] | 241 | /* we might be called only with br->lock */ |
| 242 | rcu_read_lock(); |
| 243 | backup_p = rcu_dereference(p->backup_port); |
| 244 | if (backup_p) |
| 245 | nla_put_u32(skb, IFLA_BRPORT_BACKUP_PORT, |
| 246 | backup_p->dev->ifindex); |
| 247 | rcu_read_unlock(); |
| 248 | |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 249 | return 0; |
Thomas Graf | 339bf98 | 2006-11-10 14:10:15 -0800 | [diff] [blame] | 250 | } |
| 251 | |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 252 | static int br_fill_ifvlaninfo_range(struct sk_buff *skb, u16 vid_start, |
| 253 | u16 vid_end, u16 flags) |
| 254 | { |
| 255 | struct bridge_vlan_info vinfo; |
| 256 | |
| 257 | if ((vid_end - vid_start) > 0) { |
| 258 | /* add range to skb */ |
| 259 | vinfo.vid = vid_start; |
| 260 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_BEGIN; |
| 261 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, |
| 262 | sizeof(vinfo), &vinfo)) |
| 263 | goto nla_put_failure; |
| 264 | |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 265 | vinfo.vid = vid_end; |
| 266 | vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_END; |
| 267 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, |
| 268 | sizeof(vinfo), &vinfo)) |
| 269 | goto nla_put_failure; |
| 270 | } else { |
| 271 | vinfo.vid = vid_start; |
| 272 | vinfo.flags = flags; |
| 273 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, |
| 274 | sizeof(vinfo), &vinfo)) |
| 275 | goto nla_put_failure; |
| 276 | } |
| 277 | |
| 278 | return 0; |
| 279 | |
| 280 | nla_put_failure: |
| 281 | return -EMSGSIZE; |
| 282 | } |
| 283 | |
| 284 | static int br_fill_ifvlaninfo_compressed(struct sk_buff *skb, |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 285 | struct net_bridge_vlan_group *vg) |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 286 | { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 287 | struct net_bridge_vlan *v; |
| 288 | u16 vid_range_start = 0, vid_range_end = 0, vid_range_flags = 0; |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 289 | u16 flags, pvid; |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 290 | int err = 0; |
| 291 | |
| 292 | /* Pack IFLA_BRIDGE_VLAN_INFO's for every vlan |
| 293 | * and mark vlan info with begin and end flags |
| 294 | * if vlaninfo represents a range |
| 295 | */ |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 296 | pvid = br_get_pvid(vg); |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 297 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 298 | flags = 0; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 299 | if (!br_vlan_should_use(v)) |
| 300 | continue; |
| 301 | if (v->vid == pvid) |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 302 | flags |= BRIDGE_VLAN_INFO_PVID; |
| 303 | |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 304 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 305 | flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
| 306 | |
| 307 | if (vid_range_start == 0) { |
| 308 | goto initvars; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 309 | } else if ((v->vid - vid_range_end) == 1 && |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 310 | flags == vid_range_flags) { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 311 | vid_range_end = v->vid; |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 312 | continue; |
| 313 | } else { |
| 314 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, |
| 315 | vid_range_end, |
| 316 | vid_range_flags); |
| 317 | if (err) |
| 318 | return err; |
| 319 | } |
| 320 | |
| 321 | initvars: |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 322 | vid_range_start = v->vid; |
| 323 | vid_range_end = v->vid; |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 324 | vid_range_flags = flags; |
| 325 | } |
| 326 | |
Roopa Prabhu | 0fe6de4 | 2015-01-12 16:25:28 -0800 | [diff] [blame] | 327 | if (vid_range_start != 0) { |
| 328 | /* Call it once more to send any left over vlans */ |
| 329 | err = br_fill_ifvlaninfo_range(skb, vid_range_start, |
| 330 | vid_range_end, |
| 331 | vid_range_flags); |
| 332 | if (err) |
| 333 | return err; |
| 334 | } |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 335 | |
| 336 | return 0; |
| 337 | } |
| 338 | |
| 339 | static int br_fill_ifvlaninfo(struct sk_buff *skb, |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 340 | struct net_bridge_vlan_group *vg) |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 341 | { |
| 342 | struct bridge_vlan_info vinfo; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 343 | struct net_bridge_vlan *v; |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 344 | u16 pvid; |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 345 | |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 346 | pvid = br_get_pvid(vg); |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 347 | list_for_each_entry_rcu(v, &vg->vlan_list, vlist) { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 348 | if (!br_vlan_should_use(v)) |
| 349 | continue; |
| 350 | |
| 351 | vinfo.vid = v->vid; |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 352 | vinfo.flags = 0; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 353 | if (v->vid == pvid) |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 354 | vinfo.flags |= BRIDGE_VLAN_INFO_PVID; |
| 355 | |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 356 | if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED) |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 357 | vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
| 358 | |
| 359 | if (nla_put(skb, IFLA_BRIDGE_VLAN_INFO, |
| 360 | sizeof(vinfo), &vinfo)) |
| 361 | goto nla_put_failure; |
| 362 | } |
| 363 | |
| 364 | return 0; |
| 365 | |
| 366 | nla_put_failure: |
| 367 | return -EMSGSIZE; |
| 368 | } |
| 369 | |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 370 | /* |
| 371 | * Create one netlink message for one interface |
| 372 | * Contains port and master info as well as carrier and bridge state. |
| 373 | */ |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 374 | static int br_fill_ifinfo(struct sk_buff *skb, |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 375 | const struct net_bridge_port *port, |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 376 | u32 pid, u32 seq, int event, unsigned int flags, |
| 377 | u32 filter_mask, const struct net_device *dev) |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 378 | { |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 379 | u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN; |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 380 | struct net_bridge *br; |
Thomas Graf | 7468596 | 2006-11-20 16:20:22 -0800 | [diff] [blame] | 381 | struct ifinfomsg *hdr; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 382 | struct nlmsghdr *nlh; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 383 | |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 384 | if (port) |
| 385 | br = port->br; |
| 386 | else |
| 387 | br = netdev_priv(dev); |
| 388 | |
stephen hemminger | 28a16c9 | 2010-05-10 09:31:09 +0000 | [diff] [blame] | 389 | br_debug(br, "br_fill_info event %d port %s master %s\n", |
| 390 | event, dev->name, br->dev->name); |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 391 | |
Thomas Graf | 7468596 | 2006-11-20 16:20:22 -0800 | [diff] [blame] | 392 | nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags); |
| 393 | if (nlh == NULL) |
Patrick McHardy | 2693256 | 2007-01-31 23:16:40 -0800 | [diff] [blame] | 394 | return -EMSGSIZE; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 395 | |
Thomas Graf | 7468596 | 2006-11-20 16:20:22 -0800 | [diff] [blame] | 396 | hdr = nlmsg_data(nlh); |
| 397 | hdr->ifi_family = AF_BRIDGE; |
| 398 | hdr->__ifi_pad = 0; |
| 399 | hdr->ifi_type = dev->type; |
| 400 | hdr->ifi_index = dev->ifindex; |
| 401 | hdr->ifi_flags = dev_get_flags(dev); |
| 402 | hdr->ifi_change = 0; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 403 | |
David S. Miller | 2eb812e | 2012-04-01 20:49:54 -0400 | [diff] [blame] | 404 | if (nla_put_string(skb, IFLA_IFNAME, dev->name) || |
| 405 | nla_put_u32(skb, IFLA_MASTER, br->dev->ifindex) || |
| 406 | nla_put_u32(skb, IFLA_MTU, dev->mtu) || |
| 407 | nla_put_u8(skb, IFLA_OPERSTATE, operstate) || |
| 408 | (dev->addr_len && |
| 409 | nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) || |
Nicolas Dichtel | a54acb3 | 2015-04-02 17:07:00 +0200 | [diff] [blame] | 410 | (dev->ifindex != dev_get_iflink(dev) && |
| 411 | nla_put_u32(skb, IFLA_LINK, dev_get_iflink(dev)))) |
David S. Miller | 2eb812e | 2012-04-01 20:49:54 -0400 | [diff] [blame] | 412 | goto nla_put_failure; |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 413 | |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 414 | if (event == RTM_NEWLINK && port) { |
Michal Kubecek | f78c603 | 2019-04-26 11:13:12 +0200 | [diff] [blame] | 415 | struct nlattr *nest; |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 416 | |
Michal Kubecek | f78c603 | 2019-04-26 11:13:12 +0200 | [diff] [blame] | 417 | nest = nla_nest_start(skb, IFLA_PROTINFO); |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 418 | if (nest == NULL || br_port_fill_attrs(skb, port) < 0) |
| 419 | goto nla_put_failure; |
| 420 | nla_nest_end(skb, nest); |
| 421 | } |
| 422 | |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 423 | /* Check if the VID information is requested */ |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 424 | if ((filter_mask & RTEXT_FILTER_BRVLAN) || |
| 425 | (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 426 | struct net_bridge_vlan_group *vg; |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 427 | struct nlattr *af; |
| 428 | int err; |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 429 | |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 430 | /* RCU needed because of the VLAN locking rules (rcu || rtnl) */ |
| 431 | rcu_read_lock(); |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 432 | if (port) |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 433 | vg = nbp_vlan_group_rcu(port); |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 434 | else |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 435 | vg = br_vlan_group_rcu(br); |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 436 | |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 437 | if (!vg || !vg->num_vlans) { |
| 438 | rcu_read_unlock(); |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 439 | goto done; |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 440 | } |
Michal Kubecek | ae0be8d | 2019-04-26 11:13:06 +0200 | [diff] [blame] | 441 | af = nla_nest_start_noflag(skb, IFLA_AF_SPEC); |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 442 | if (!af) { |
| 443 | rcu_read_unlock(); |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 444 | goto nla_put_failure; |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 445 | } |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 446 | if (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED) |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 447 | err = br_fill_ifvlaninfo_compressed(skb, vg); |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 448 | else |
Nikolay Aleksandrov | 77751ee | 2015-09-30 20:16:53 +0200 | [diff] [blame] | 449 | err = br_fill_ifvlaninfo(skb, vg); |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 450 | |
| 451 | if (port && (port->flags & BR_VLAN_TUNNEL)) |
| 452 | err = br_fill_vlan_tunnel_info(skb, vg); |
Nikolay Aleksandrov | e9c953e | 2015-10-12 21:47:03 +0200 | [diff] [blame] | 453 | rcu_read_unlock(); |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 454 | if (err) |
| 455 | goto nla_put_failure; |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 456 | nla_nest_end(skb, af); |
| 457 | } |
| 458 | |
| 459 | done: |
Johannes Berg | 053c095 | 2015-01-16 22:09:00 +0100 | [diff] [blame] | 460 | nlmsg_end(skb, nlh); |
| 461 | return 0; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 462 | |
Thomas Graf | 7468596 | 2006-11-20 16:20:22 -0800 | [diff] [blame] | 463 | nla_put_failure: |
Patrick McHardy | 2693256 | 2007-01-31 23:16:40 -0800 | [diff] [blame] | 464 | nlmsg_cancel(skb, nlh); |
| 465 | return -EMSGSIZE; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 466 | } |
| 467 | |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 468 | /* Notify listeners of a change in bridge or port information */ |
| 469 | void br_ifinfo_notify(int event, const struct net_bridge *br, |
| 470 | const struct net_bridge_port *port) |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 471 | { |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 472 | u32 filter = RTEXT_FILTER_BRVLAN_COMPRESSED; |
| 473 | struct net_device *dev; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 474 | struct sk_buff *skb; |
Thomas Graf | 280a306 | 2006-08-15 00:36:28 -0700 | [diff] [blame] | 475 | int err = -ENOBUFS; |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 476 | struct net *net; |
| 477 | u16 port_no = 0; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 478 | |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 479 | if (WARN_ON(!port && !br)) |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 480 | return; |
| 481 | |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 482 | if (port) { |
| 483 | dev = port->dev; |
| 484 | br = port->br; |
| 485 | port_no = port->port_no; |
| 486 | } else { |
| 487 | dev = br->dev; |
| 488 | } |
stephen hemminger | 28a16c9 | 2010-05-10 09:31:09 +0000 | [diff] [blame] | 489 | |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 490 | net = dev_net(dev); |
| 491 | br_debug(br, "port %u(%s) event %d\n", port_no, dev->name, event); |
| 492 | |
| 493 | skb = nlmsg_new(br_nlmsg_size(dev, filter), GFP_ATOMIC); |
Thomas Graf | 280a306 | 2006-08-15 00:36:28 -0700 | [diff] [blame] | 494 | if (skb == NULL) |
| 495 | goto errout; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 496 | |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 497 | err = br_fill_ifinfo(skb, port, 0, 0, event, 0, filter, dev); |
Patrick McHardy | 2693256 | 2007-01-31 23:16:40 -0800 | [diff] [blame] | 498 | if (err < 0) { |
| 499 | /* -EMSGSIZE implies BUG in br_nlmsg_size() */ |
| 500 | WARN_ON(err == -EMSGSIZE); |
| 501 | kfree_skb(skb); |
| 502 | goto errout; |
| 503 | } |
Pablo Neira Ayuso | 1ce85fe | 2009-02-24 23:18:28 -0800 | [diff] [blame] | 504 | rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); |
| 505 | return; |
Thomas Graf | 280a306 | 2006-08-15 00:36:28 -0700 | [diff] [blame] | 506 | errout: |
tanxiaojun | 87e823b | 2013-12-19 13:28:10 +0800 | [diff] [blame] | 507 | rtnl_set_sk_err(net, RTNLGRP_LINK, err); |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 508 | } |
| 509 | |
| 510 | /* |
| 511 | * Dump information about all ports, in response to GETLINK |
| 512 | */ |
John Fastabend | e5a55a8 | 2012-10-24 08:12:57 +0000 | [diff] [blame] | 513 | int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
Nicolas Dichtel | 46c264d | 2015-04-28 18:33:49 +0200 | [diff] [blame] | 514 | struct net_device *dev, u32 filter_mask, int nlflags) |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 515 | { |
Hong Zhiguo | 1fb1754 | 2013-09-14 22:42:27 +0800 | [diff] [blame] | 516 | struct net_bridge_port *port = br_port_get_rtnl(dev); |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 517 | |
Roopa Prabhu | 36cd0ff | 2015-01-10 07:31:14 -0800 | [diff] [blame] | 518 | if (!port && !(filter_mask & RTEXT_FILTER_BRVLAN) && |
| 519 | !(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) |
Dan Carpenter | 1b846f9 | 2015-01-21 12:22:35 +0300 | [diff] [blame] | 520 | return 0; |
stephen hemminger | b5ed54e | 2010-11-15 06:38:13 +0000 | [diff] [blame] | 521 | |
Nicolas Dichtel | 46c264d | 2015-04-28 18:33:49 +0200 | [diff] [blame] | 522 | return br_fill_ifinfo(skb, port, pid, seq, RTM_NEWLINK, nlflags, |
Dan Carpenter | 1b846f9 | 2015-01-21 12:22:35 +0300 | [diff] [blame] | 523 | filter_mask, dev); |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 524 | } |
| 525 | |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 526 | static int br_vlan_info(struct net_bridge *br, struct net_bridge_port *p, |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 527 | int cmd, struct bridge_vlan_info *vinfo, bool *changed, |
| 528 | struct netlink_ext_ack *extack) |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 529 | { |
Nikolay Aleksandrov | f418af6 | 2017-10-27 13:19:37 +0300 | [diff] [blame] | 530 | bool curr_change; |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 531 | int err = 0; |
| 532 | |
| 533 | switch (cmd) { |
| 534 | case RTM_SETLINK: |
| 535 | if (p) { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 536 | /* if the MASTER flag is set this will act on the global |
| 537 | * per-VLAN entry as well |
| 538 | */ |
Nikolay Aleksandrov | f418af6 | 2017-10-27 13:19:37 +0300 | [diff] [blame] | 539 | err = nbp_vlan_add(p, vinfo->vid, vinfo->flags, |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 540 | &curr_change, extack); |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 541 | } else { |
Nikolay Aleksandrov | 2594e906 | 2015-09-25 19:00:11 +0200 | [diff] [blame] | 542 | vinfo->flags |= BRIDGE_VLAN_INFO_BRENTRY; |
Nikolay Aleksandrov | f418af6 | 2017-10-27 13:19:37 +0300 | [diff] [blame] | 543 | err = br_vlan_add(br, vinfo->vid, vinfo->flags, |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 544 | &curr_change, extack); |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 545 | } |
Nikolay Aleksandrov | f418af6 | 2017-10-27 13:19:37 +0300 | [diff] [blame] | 546 | if (curr_change) |
Nikolay Aleksandrov | e19b42a | 2017-10-27 13:19:36 +0300 | [diff] [blame] | 547 | *changed = true; |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 548 | break; |
| 549 | |
| 550 | case RTM_DELLINK: |
| 551 | if (p) { |
Nikolay Aleksandrov | e19b42a | 2017-10-27 13:19:36 +0300 | [diff] [blame] | 552 | if (!nbp_vlan_delete(p, vinfo->vid)) |
| 553 | *changed = true; |
| 554 | |
| 555 | if ((vinfo->flags & BRIDGE_VLAN_INFO_MASTER) && |
| 556 | !br_vlan_delete(p->br, vinfo->vid)) |
| 557 | *changed = true; |
| 558 | } else if (!br_vlan_delete(br, vinfo->vid)) { |
| 559 | *changed = true; |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 560 | } |
| 561 | break; |
| 562 | } |
| 563 | |
| 564 | return err; |
| 565 | } |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 566 | |
Nikolay Aleksandrov | f26b296 | 2020-01-14 19:56:10 +0200 | [diff] [blame] | 567 | int br_process_vlan_info(struct net_bridge *br, |
| 568 | struct net_bridge_port *p, int cmd, |
| 569 | struct bridge_vlan_info *vinfo_curr, |
| 570 | struct bridge_vlan_info **vinfo_last, |
| 571 | bool *changed, |
| 572 | struct netlink_ext_ack *extack) |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 573 | { |
Nikolay Aleksandrov | f545923 | 2020-01-14 19:56:14 +0200 | [diff] [blame] | 574 | int err, rtm_cmd; |
| 575 | |
Nikolay Aleksandrov | 8f4cc94 | 2020-01-14 19:56:08 +0200 | [diff] [blame] | 576 | if (!br_vlan_valid_id(vinfo_curr->vid, extack)) |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 577 | return -EINVAL; |
| 578 | |
Nikolay Aleksandrov | f545923 | 2020-01-14 19:56:14 +0200 | [diff] [blame] | 579 | /* needed for vlan-only NEWVLAN/DELVLAN notifications */ |
| 580 | rtm_cmd = br_afspec_cmd_to_rtm(cmd); |
| 581 | |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 582 | if (vinfo_curr->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { |
Nikolay Aleksandrov | 8f4cc94 | 2020-01-14 19:56:08 +0200 | [diff] [blame] | 583 | if (!br_vlan_valid_range(vinfo_curr, *vinfo_last, extack)) |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 584 | return -EINVAL; |
| 585 | *vinfo_last = vinfo_curr; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 586 | return 0; |
| 587 | } |
| 588 | |
| 589 | if (*vinfo_last) { |
| 590 | struct bridge_vlan_info tmp_vinfo; |
Nikolay Aleksandrov | f545923 | 2020-01-14 19:56:14 +0200 | [diff] [blame] | 591 | int v, v_change_start = 0; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 592 | |
Nikolay Aleksandrov | 8f4cc94 | 2020-01-14 19:56:08 +0200 | [diff] [blame] | 593 | if (!br_vlan_valid_range(vinfo_curr, *vinfo_last, extack)) |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 594 | return -EINVAL; |
| 595 | |
| 596 | memcpy(&tmp_vinfo, *vinfo_last, |
| 597 | sizeof(struct bridge_vlan_info)); |
| 598 | for (v = (*vinfo_last)->vid; v <= vinfo_curr->vid; v++) { |
Nikolay Aleksandrov | f545923 | 2020-01-14 19:56:14 +0200 | [diff] [blame] | 599 | bool curr_change = false; |
| 600 | |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 601 | tmp_vinfo.vid = v; |
Nikolay Aleksandrov | f545923 | 2020-01-14 19:56:14 +0200 | [diff] [blame] | 602 | err = br_vlan_info(br, p, cmd, &tmp_vinfo, &curr_change, |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 603 | extack); |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 604 | if (err) |
| 605 | break; |
Nikolay Aleksandrov | f545923 | 2020-01-14 19:56:14 +0200 | [diff] [blame] | 606 | if (curr_change) { |
| 607 | *changed = curr_change; |
| 608 | if (!v_change_start) |
| 609 | v_change_start = v; |
| 610 | } else { |
| 611 | /* nothing to notify yet */ |
| 612 | if (!v_change_start) |
| 613 | continue; |
| 614 | br_vlan_notify(br, p, v_change_start, |
| 615 | v - 1, rtm_cmd); |
| 616 | v_change_start = 0; |
| 617 | } |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 618 | } |
Nikolay Aleksandrov | f545923 | 2020-01-14 19:56:14 +0200 | [diff] [blame] | 619 | /* v_change_start is set only if the last/whole range changed */ |
| 620 | if (v_change_start) |
| 621 | br_vlan_notify(br, p, v_change_start, |
| 622 | v - 1, rtm_cmd); |
| 623 | |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 624 | *vinfo_last = NULL; |
| 625 | |
Nikolay Aleksandrov | 66c5451 | 2017-10-19 20:17:32 +0300 | [diff] [blame] | 626 | return err; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 627 | } |
| 628 | |
Nikolay Aleksandrov | f545923 | 2020-01-14 19:56:14 +0200 | [diff] [blame] | 629 | err = br_vlan_info(br, p, cmd, vinfo_curr, changed, extack); |
| 630 | if (*changed) |
| 631 | br_vlan_notify(br, p, vinfo_curr->vid, 0, rtm_cmd); |
| 632 | |
| 633 | return err; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 634 | } |
| 635 | |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 636 | static int br_afspec(struct net_bridge *br, |
| 637 | struct net_bridge_port *p, |
| 638 | struct nlattr *af_spec, |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 639 | int cmd, bool *changed, |
| 640 | struct netlink_ext_ack *extack) |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 641 | { |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 642 | struct bridge_vlan_info *vinfo_curr = NULL; |
| 643 | struct bridge_vlan_info *vinfo_last = NULL; |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 644 | struct nlattr *attr; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 645 | struct vtunnel_info tinfo_last = {}; |
| 646 | struct vtunnel_info tinfo_curr = {}; |
| 647 | int err = 0, rem; |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 648 | |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 649 | nla_for_each_nested(attr, af_spec, rem) { |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 650 | err = 0; |
| 651 | switch (nla_type(attr)) { |
| 652 | case IFLA_BRIDGE_VLAN_TUNNEL_INFO: |
Nikolay Aleksandrov | 1020ce3 | 2017-06-06 01:26:24 +0300 | [diff] [blame] | 653 | if (!p || !(p->flags & BR_VLAN_TUNNEL)) |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 654 | return -EINVAL; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 655 | err = br_parse_vlan_tunnel_info(attr, &tinfo_curr); |
| 656 | if (err) |
| 657 | return err; |
| 658 | err = br_process_vlan_tunnel_info(br, p, cmd, |
| 659 | &tinfo_curr, |
Nikolay Aleksandrov | e19b42a | 2017-10-27 13:19:36 +0300 | [diff] [blame] | 660 | &tinfo_last, |
| 661 | changed); |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 662 | if (err) |
| 663 | return err; |
Roopa Prabhu | bdced7e | 2015-01-10 07:31:12 -0800 | [diff] [blame] | 664 | break; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 665 | case IFLA_BRIDGE_VLAN_INFO: |
| 666 | if (nla_len(attr) != sizeof(struct bridge_vlan_info)) |
| 667 | return -EINVAL; |
| 668 | vinfo_curr = nla_data(attr); |
| 669 | err = br_process_vlan_info(br, p, cmd, vinfo_curr, |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 670 | &vinfo_last, changed, |
| 671 | extack); |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 672 | if (err) |
| 673 | return err; |
| 674 | break; |
Horatiu Vultur | 6536993 | 2020-04-26 15:22:07 +0200 | [diff] [blame^] | 675 | case IFLA_BRIDGE_MRP: |
| 676 | err = br_mrp_parse(br, p, attr, cmd, extack); |
| 677 | if (err) |
| 678 | return err; |
| 679 | break; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 680 | } |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 681 | } |
| 682 | |
| 683 | return err; |
| 684 | } |
| 685 | |
Jiri Pirko | 3ac636b | 2014-09-05 15:51:30 +0200 | [diff] [blame] | 686 | static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 687 | [IFLA_BRPORT_STATE] = { .type = NLA_U8 }, |
| 688 | [IFLA_BRPORT_COST] = { .type = NLA_U32 }, |
| 689 | [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 }, |
| 690 | [IFLA_BRPORT_MODE] = { .type = NLA_U8 }, |
stephen hemminger | a2e01a6 | 2012-11-13 07:53:07 +0000 | [diff] [blame] | 691 | [IFLA_BRPORT_GUARD] = { .type = NLA_U8 }, |
stephen hemminger | 1007dd1 | 2012-11-13 07:53:08 +0000 | [diff] [blame] | 692 | [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 }, |
Thomas Graf | 6f705d8 | 2014-11-26 13:42:19 +0100 | [diff] [blame] | 693 | [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, |
Vlad Yasevich | 9ba1889 | 2013-06-05 10:08:00 -0400 | [diff] [blame] | 694 | [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, |
Vlad Yasevich | 867a594 | 2013-06-05 10:08:01 -0400 | [diff] [blame] | 695 | [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 355b9f9 | 2015-08-04 19:06:32 +0200 | [diff] [blame] | 696 | [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 786c207 | 2015-08-04 19:06:33 +0200 | [diff] [blame] | 697 | [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 5d6ae47 | 2015-10-06 14:12:02 +0200 | [diff] [blame] | 698 | [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NLA_U8 }, |
Felix Fietkau | 6db6f0e | 2017-01-21 21:01:32 +0100 | [diff] [blame] | 699 | [IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NLA_U8 }, |
Tobias Klauser | 9051247 | 2017-05-05 16:36:53 +0200 | [diff] [blame] | 700 | [IFLA_BRPORT_MCAST_FLOOD] = { .type = NLA_U8 }, |
| 701 | [IFLA_BRPORT_BCAST_FLOOD] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | fbec443 | 2017-11-13 18:30:55 +0200 | [diff] [blame] | 702 | [IFLA_BRPORT_VLAN_TUNNEL] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 5af48b5 | 2017-09-27 16:12:44 +0300 | [diff] [blame] | 703 | [IFLA_BRPORT_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
Nikolay Aleksandrov | 1a3fbd3 | 2017-10-30 12:56:33 +0200 | [diff] [blame] | 704 | [IFLA_BRPORT_NEIGH_SUPPRESS] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 7d850ab | 2018-05-24 11:56:48 +0300 | [diff] [blame] | 705 | [IFLA_BRPORT_ISOLATED] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 2756f68 | 2018-07-23 11:16:59 +0300 | [diff] [blame] | 706 | [IFLA_BRPORT_BACKUP_PORT] = { .type = NLA_U32 }, |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 707 | }; |
| 708 | |
| 709 | /* Change the state of the port and notify spanning tree */ |
| 710 | static int br_set_port_state(struct net_bridge_port *p, u8 state) |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 711 | { |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 712 | if (state > BR_STATE_BLOCKING) |
stephen hemminger | b5ed54e | 2010-11-15 06:38:13 +0000 | [diff] [blame] | 713 | return -EINVAL; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 714 | |
| 715 | /* if kernel STP is running, don't allow changes */ |
Stephen Hemminger | 9cde070 | 2007-03-21 14:22:44 -0700 | [diff] [blame] | 716 | if (p->br->stp_enabled == BR_KERNEL_STP) |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 717 | return -EBUSY; |
| 718 | |
stephen hemminger | 576eb62 | 2012-12-28 18:15:22 +0000 | [diff] [blame] | 719 | /* if device is not up, change is not allowed |
| 720 | * if link is not present, only allowable state is disabled |
| 721 | */ |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 722 | if (!netif_running(p->dev) || |
stephen hemminger | 576eb62 | 2012-12-28 18:15:22 +0000 | [diff] [blame] | 723 | (!netif_oper_up(p->dev) && state != BR_STATE_DISABLED)) |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 724 | return -ENETDOWN; |
| 725 | |
Florian Fainelli | 775dd69 | 2014-09-30 16:13:19 -0700 | [diff] [blame] | 726 | br_set_state(p, state); |
Vitalii Demianets | b03b6dd | 2011-11-25 00:16:37 +0000 | [diff] [blame] | 727 | br_port_state_selection(p->br); |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 728 | return 0; |
| 729 | } |
| 730 | |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 731 | /* Set/clear or port flags based on attribute */ |
Arkadi Sharshevsky | 3922285 | 2017-06-08 08:44:11 +0200 | [diff] [blame] | 732 | static int br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], |
| 733 | int attrtype, unsigned long mask) |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 734 | { |
Arkadi Sharshevsky | 3922285 | 2017-06-08 08:44:11 +0200 | [diff] [blame] | 735 | unsigned long flags; |
| 736 | int err; |
| 737 | |
| 738 | if (!tb[attrtype]) |
| 739 | return 0; |
| 740 | |
| 741 | if (nla_get_u8(tb[attrtype])) |
| 742 | flags = p->flags | mask; |
| 743 | else |
| 744 | flags = p->flags & ~mask; |
| 745 | |
| 746 | err = br_switchdev_set_port_flag(p, flags, mask); |
| 747 | if (err) |
| 748 | return err; |
| 749 | |
| 750 | p->flags = flags; |
| 751 | return 0; |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 752 | } |
| 753 | |
| 754 | /* Process bridge protocol info on port */ |
| 755 | static int br_setport(struct net_bridge_port *p, struct nlattr *tb[]) |
| 756 | { |
Vlad Yasevich | e028e4b | 2014-05-16 09:59:16 -0400 | [diff] [blame] | 757 | unsigned long old_flags = p->flags; |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 758 | bool br_vlan_tunnel_old = false; |
| 759 | int err; |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 760 | |
Arkadi Sharshevsky | 3922285 | 2017-06-08 08:44:11 +0200 | [diff] [blame] | 761 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); |
| 762 | if (err) |
| 763 | return err; |
| 764 | |
| 765 | err = br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); |
| 766 | if (err) |
| 767 | return err; |
| 768 | |
| 769 | err = br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); |
| 770 | if (err) |
| 771 | return err; |
| 772 | |
| 773 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); |
| 774 | if (err) |
| 775 | return err; |
| 776 | |
| 777 | err = br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); |
| 778 | if (err) |
| 779 | return err; |
| 780 | |
| 781 | err = br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); |
| 782 | if (err) |
| 783 | return err; |
| 784 | |
| 785 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); |
| 786 | if (err) |
| 787 | return err; |
| 788 | |
| 789 | err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, BR_MULTICAST_TO_UNICAST); |
| 790 | if (err) |
| 791 | return err; |
| 792 | |
| 793 | err = br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD); |
| 794 | if (err) |
| 795 | return err; |
| 796 | |
| 797 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); |
| 798 | if (err) |
| 799 | return err; |
| 800 | |
| 801 | err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); |
| 802 | if (err) |
| 803 | return err; |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 804 | |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 805 | br_vlan_tunnel_old = (p->flags & BR_VLAN_TUNNEL) ? true : false; |
Arkadi Sharshevsky | 3922285 | 2017-06-08 08:44:11 +0200 | [diff] [blame] | 806 | err = br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL); |
| 807 | if (err) |
| 808 | return err; |
| 809 | |
Roopa Prabhu | efa5356 | 2017-01-31 22:59:54 -0800 | [diff] [blame] | 810 | if (br_vlan_tunnel_old && !(p->flags & BR_VLAN_TUNNEL)) |
| 811 | nbp_vlan_tunnel_info_flush(p); |
| 812 | |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 813 | if (tb[IFLA_BRPORT_COST]) { |
| 814 | err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST])); |
| 815 | if (err) |
| 816 | return err; |
| 817 | } |
| 818 | |
| 819 | if (tb[IFLA_BRPORT_PRIORITY]) { |
| 820 | err = br_stp_set_port_priority(p, nla_get_u16(tb[IFLA_BRPORT_PRIORITY])); |
| 821 | if (err) |
| 822 | return err; |
| 823 | } |
| 824 | |
| 825 | if (tb[IFLA_BRPORT_STATE]) { |
| 826 | err = br_set_port_state(p, nla_get_u8(tb[IFLA_BRPORT_STATE])); |
| 827 | if (err) |
| 828 | return err; |
| 829 | } |
Vlad Yasevich | e028e4b | 2014-05-16 09:59:16 -0400 | [diff] [blame] | 830 | |
Nikolay Aleksandrov | 9b0c6e4 | 2015-10-06 14:12:01 +0200 | [diff] [blame] | 831 | if (tb[IFLA_BRPORT_FLUSH]) |
| 832 | br_fdb_delete_by_port(p->br, p, 0, 0); |
| 833 | |
Nikolay Aleksandrov | 5d6ae47 | 2015-10-06 14:12:02 +0200 | [diff] [blame] | 834 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
| 835 | if (tb[IFLA_BRPORT_MULTICAST_ROUTER]) { |
| 836 | u8 mcast_router = nla_get_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]); |
| 837 | |
| 838 | err = br_multicast_set_port_router(p, mcast_router); |
| 839 | if (err) |
| 840 | return err; |
| 841 | } |
| 842 | #endif |
Nikolay Aleksandrov | 5af48b5 | 2017-09-27 16:12:44 +0300 | [diff] [blame] | 843 | |
| 844 | if (tb[IFLA_BRPORT_GROUP_FWD_MASK]) { |
| 845 | u16 fwd_mask = nla_get_u16(tb[IFLA_BRPORT_GROUP_FWD_MASK]); |
| 846 | |
| 847 | if (fwd_mask & BR_GROUPFWD_MACPAUSE) |
| 848 | return -EINVAL; |
| 849 | p->group_fwd_mask = fwd_mask; |
| 850 | } |
| 851 | |
Roopa Prabhu | 821f1b2 | 2017-10-06 22:12:37 -0700 | [diff] [blame] | 852 | err = br_set_port_flag(p, tb, IFLA_BRPORT_NEIGH_SUPPRESS, |
| 853 | BR_NEIGH_SUPPRESS); |
| 854 | if (err) |
| 855 | return err; |
| 856 | |
Nikolay Aleksandrov | 7d850ab | 2018-05-24 11:56:48 +0300 | [diff] [blame] | 857 | err = br_set_port_flag(p, tb, IFLA_BRPORT_ISOLATED, BR_ISOLATED); |
| 858 | if (err) |
| 859 | return err; |
| 860 | |
Nikolay Aleksandrov | 2756f68 | 2018-07-23 11:16:59 +0300 | [diff] [blame] | 861 | if (tb[IFLA_BRPORT_BACKUP_PORT]) { |
| 862 | struct net_device *backup_dev = NULL; |
| 863 | u32 backup_ifindex; |
| 864 | |
| 865 | backup_ifindex = nla_get_u32(tb[IFLA_BRPORT_BACKUP_PORT]); |
| 866 | if (backup_ifindex) { |
| 867 | backup_dev = __dev_get_by_index(dev_net(p->dev), |
| 868 | backup_ifindex); |
| 869 | if (!backup_dev) |
| 870 | return -ENOENT; |
| 871 | } |
| 872 | |
| 873 | err = nbp_backup_change(p, backup_dev); |
| 874 | if (err) |
| 875 | return err; |
| 876 | } |
| 877 | |
Vlad Yasevich | e028e4b | 2014-05-16 09:59:16 -0400 | [diff] [blame] | 878 | br_port_flags_change(p, old_flags ^ p->flags); |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 879 | return 0; |
| 880 | } |
| 881 | |
| 882 | /* Change state and parameters on port. */ |
Petr Machata | 2fd527b | 2018-12-12 17:02:48 +0000 | [diff] [blame] | 883 | int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags, |
| 884 | struct netlink_ext_ack *extack) |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 885 | { |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 886 | struct net_bridge *br = (struct net_bridge *)netdev_priv(dev); |
| 887 | struct nlattr *tb[IFLA_BRPORT_MAX + 1]; |
| 888 | struct net_bridge_port *p; |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 889 | struct nlattr *protinfo; |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 890 | struct nlattr *afspec; |
Nikolay Aleksandrov | e19b42a | 2017-10-27 13:19:36 +0300 | [diff] [blame] | 891 | bool changed = false; |
Scott Feldman | 41c498b | 2015-05-10 09:47:59 -0700 | [diff] [blame] | 892 | int err = 0; |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 893 | |
Hong zhi guo | c60ee67 | 2013-03-28 06:21:22 +0000 | [diff] [blame] | 894 | protinfo = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_PROTINFO); |
| 895 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 896 | if (!protinfo && !afspec) |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 897 | return 0; |
| 898 | |
| 899 | p = br_port_get_rtnl(dev); |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 900 | /* We want to accept dev as bridge itself if the AF_SPEC |
stephen hemminger | 8e3bff9 | 2013-12-08 12:15:44 -0800 | [diff] [blame] | 901 | * is set to see if someone is setting vlan info on the bridge |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 902 | */ |
Hong zhi guo | 7b99a99 | 2013-03-24 03:26:47 +0000 | [diff] [blame] | 903 | if (!p && !afspec) |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 904 | return -EINVAL; |
| 905 | |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 906 | if (p && protinfo) { |
| 907 | if (protinfo->nla_type & NLA_F_NESTED) { |
Johannes Berg | 8cb0817 | 2019-04-26 14:07:28 +0200 | [diff] [blame] | 908 | err = nla_parse_nested_deprecated(tb, IFLA_BRPORT_MAX, |
| 909 | protinfo, |
| 910 | br_port_policy, |
| 911 | NULL); |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 912 | if (err) |
| 913 | return err; |
| 914 | |
| 915 | spin_lock_bh(&p->br->lock); |
| 916 | err = br_setport(p, tb); |
| 917 | spin_unlock_bh(&p->br->lock); |
| 918 | } else { |
stephen hemminger | 8e3bff9 | 2013-12-08 12:15:44 -0800 | [diff] [blame] | 919 | /* Binary compatibility with old RSTP */ |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 920 | if (nla_len(protinfo) < sizeof(u8)) |
| 921 | return -EINVAL; |
| 922 | |
| 923 | spin_lock_bh(&p->br->lock); |
| 924 | err = br_set_port_state(p, nla_get_u8(protinfo)); |
| 925 | spin_unlock_bh(&p->br->lock); |
| 926 | } |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 927 | if (err) |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 928 | goto out; |
Nikolay Aleksandrov | e19b42a | 2017-10-27 13:19:36 +0300 | [diff] [blame] | 929 | changed = true; |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 930 | } |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 931 | |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 932 | if (afspec) |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 933 | err = br_afspec(br, p, afspec, RTM_SETLINK, &changed, extack); |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 934 | |
Nikolay Aleksandrov | e19b42a | 2017-10-27 13:19:36 +0300 | [diff] [blame] | 935 | if (changed) |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 936 | br_ifinfo_notify(RTM_NEWLINK, br, p); |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 937 | out: |
stephen hemminger | 25c71c7 | 2012-11-13 07:53:05 +0000 | [diff] [blame] | 938 | return err; |
| 939 | } |
| 940 | |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 941 | /* Delete port information */ |
Roopa Prabhu | add511b | 2015-01-29 22:40:12 -0800 | [diff] [blame] | 942 | int br_dellink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 943 | { |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 944 | struct net_bridge *br = (struct net_bridge *)netdev_priv(dev); |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 945 | struct net_bridge_port *p; |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 946 | struct nlattr *afspec; |
Nikolay Aleksandrov | e19b42a | 2017-10-27 13:19:36 +0300 | [diff] [blame] | 947 | bool changed = false; |
Scott Feldman | 8508025 | 2015-05-10 09:48:03 -0700 | [diff] [blame] | 948 | int err = 0; |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 949 | |
Hong zhi guo | c60ee67 | 2013-03-28 06:21:22 +0000 | [diff] [blame] | 950 | afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 951 | if (!afspec) |
| 952 | return 0; |
| 953 | |
| 954 | p = br_port_get_rtnl(dev); |
| 955 | /* We want to accept dev as bridge itself as well */ |
| 956 | if (!p && !(dev->priv_flags & IFF_EBRIDGE)) |
| 957 | return -EINVAL; |
| 958 | |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 959 | err = br_afspec(br, p, afspec, RTM_DELLINK, &changed, NULL); |
Nikolay Aleksandrov | e19b42a | 2017-10-27 13:19:36 +0300 | [diff] [blame] | 960 | if (changed) |
Roopa Prabhu | 02dba43 | 2015-01-14 20:02:25 -0800 | [diff] [blame] | 961 | /* Send RTM_NEWLINK because userspace |
| 962 | * expects RTM_NEWLINK for vlan dels |
| 963 | */ |
Nikolay Aleksandrov | 9289906 | 2017-11-01 12:18:13 +0200 | [diff] [blame] | 964 | br_ifinfo_notify(RTM_NEWLINK, br, p); |
Vlad Yasevich | 407af32 | 2013-02-13 12:00:12 +0000 | [diff] [blame] | 965 | |
| 966 | return err; |
| 967 | } |
Matthias Schiffer | a8b8a889 | 2017-06-25 23:56:01 +0200 | [diff] [blame] | 968 | |
| 969 | static int br_validate(struct nlattr *tb[], struct nlattr *data[], |
| 970 | struct netlink_ext_ack *extack) |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 971 | { |
stephen hemminger | bb900b2 | 2011-04-04 14:03:32 +0000 | [diff] [blame] | 972 | if (tb[IFLA_ADDRESS]) { |
| 973 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) |
| 974 | return -EINVAL; |
| 975 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) |
| 976 | return -EADDRNOTAVAIL; |
| 977 | } |
Thomas Graf | 32fe21c | 2007-03-22 11:59:03 -0700 | [diff] [blame] | 978 | |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 979 | if (!data) |
| 980 | return 0; |
| 981 | |
| 982 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
| 983 | if (data[IFLA_BR_VLAN_PROTOCOL]) { |
| 984 | switch (nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL])) { |
| 985 | case htons(ETH_P_8021Q): |
| 986 | case htons(ETH_P_8021AD): |
| 987 | break; |
| 988 | default: |
| 989 | return -EPROTONOSUPPORT; |
| 990 | } |
| 991 | } |
Tobias Jungel | a285860 | 2017-05-17 09:29:12 +0200 | [diff] [blame] | 992 | |
| 993 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { |
| 994 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); |
| 995 | |
| 996 | if (defpvid >= VLAN_VID_MASK) |
| 997 | return -EINVAL; |
| 998 | } |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 999 | #endif |
| 1000 | |
Thomas Graf | 32fe21c | 2007-03-22 11:59:03 -0700 | [diff] [blame] | 1001 | return 0; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 1002 | } |
| 1003 | |
Jiri Pirko | 3ac636b | 2014-09-05 15:51:30 +0200 | [diff] [blame] | 1004 | static int br_port_slave_changelink(struct net_device *brdev, |
| 1005 | struct net_device *dev, |
| 1006 | struct nlattr *tb[], |
Matthias Schiffer | 17dd0ec | 2017-06-25 23:56:02 +0200 | [diff] [blame] | 1007 | struct nlattr *data[], |
| 1008 | struct netlink_ext_ack *extack) |
Jiri Pirko | 3ac636b | 2014-09-05 15:51:30 +0200 | [diff] [blame] | 1009 | { |
Nikolay Aleksandrov | 963ad94 | 2015-07-22 13:03:40 +0200 | [diff] [blame] | 1010 | struct net_bridge *br = netdev_priv(brdev); |
| 1011 | int ret; |
| 1012 | |
Jiri Pirko | 3ac636b | 2014-09-05 15:51:30 +0200 | [diff] [blame] | 1013 | if (!data) |
| 1014 | return 0; |
Nikolay Aleksandrov | 963ad94 | 2015-07-22 13:03:40 +0200 | [diff] [blame] | 1015 | |
| 1016 | spin_lock_bh(&br->lock); |
| 1017 | ret = br_setport(br_port_get_rtnl(dev), data); |
| 1018 | spin_unlock_bh(&br->lock); |
| 1019 | |
| 1020 | return ret; |
Jiri Pirko | 3ac636b | 2014-09-05 15:51:30 +0200 | [diff] [blame] | 1021 | } |
| 1022 | |
Jiri Pirko | ced8283 | 2014-09-05 15:51:29 +0200 | [diff] [blame] | 1023 | static int br_port_fill_slave_info(struct sk_buff *skb, |
| 1024 | const struct net_device *brdev, |
| 1025 | const struct net_device *dev) |
| 1026 | { |
| 1027 | return br_port_fill_attrs(skb, br_port_get_rtnl(dev)); |
| 1028 | } |
| 1029 | |
| 1030 | static size_t br_port_get_slave_size(const struct net_device *brdev, |
| 1031 | const struct net_device *dev) |
| 1032 | { |
| 1033 | return br_port_info_size(); |
| 1034 | } |
| 1035 | |
Jiri Pirko | 1332351 | 2014-09-05 15:51:32 +0200 | [diff] [blame] | 1036 | static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { |
| 1037 | [IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 }, |
| 1038 | [IFLA_BR_HELLO_TIME] = { .type = NLA_U32 }, |
| 1039 | [IFLA_BR_MAX_AGE] = { .type = NLA_U32 }, |
Jörg Thalheim | af61576 | 2015-03-18 10:06:58 +0100 | [diff] [blame] | 1040 | [IFLA_BR_AGEING_TIME] = { .type = NLA_U32 }, |
| 1041 | [IFLA_BR_STP_STATE] = { .type = NLA_U32 }, |
| 1042 | [IFLA_BR_PRIORITY] = { .type = NLA_U16 }, |
Nikolay Aleksandrov | a785403 | 2015-08-07 19:40:45 +0300 | [diff] [blame] | 1043 | [IFLA_BR_VLAN_FILTERING] = { .type = NLA_U8 }, |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 1044 | [IFLA_BR_VLAN_PROTOCOL] = { .type = NLA_U16 }, |
Nikolay Aleksandrov | 7910228 | 2015-10-04 14:23:28 +0200 | [diff] [blame] | 1045 | [IFLA_BR_GROUP_FWD_MASK] = { .type = NLA_U16 }, |
Nikolay Aleksandrov | 111189a | 2015-10-04 14:23:35 +0200 | [diff] [blame] | 1046 | [IFLA_BR_GROUP_ADDR] = { .type = NLA_BINARY, |
| 1047 | .len = ETH_ALEN }, |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1048 | [IFLA_BR_MCAST_ROUTER] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 8912632 | 2015-10-04 14:23:38 +0200 | [diff] [blame] | 1049 | [IFLA_BR_MCAST_SNOOPING] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 295141d | 2015-10-04 14:23:39 +0200 | [diff] [blame] | 1050 | [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | ba062d7c | 2015-10-04 14:23:40 +0200 | [diff] [blame] | 1051 | [IFLA_BR_MCAST_QUERIER] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 431db3c | 2015-10-04 14:23:41 +0200 | [diff] [blame] | 1052 | [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NLA_U32 }, |
Nikolay Aleksandrov | 858079f | 2015-10-04 14:23:42 +0200 | [diff] [blame] | 1053 | [IFLA_BR_MCAST_HASH_MAX] = { .type = NLA_U32 }, |
Nikolay Aleksandrov | 79b859f | 2015-10-04 14:23:43 +0200 | [diff] [blame] | 1054 | [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, |
Nikolay Aleksandrov | b89e6ba | 2015-10-04 14:23:44 +0200 | [diff] [blame] | 1055 | [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NLA_U32 }, |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1056 | [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NLA_U64 }, |
| 1057 | [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NLA_U64 }, |
| 1058 | [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NLA_U64 }, |
| 1059 | [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NLA_U64 }, |
| 1060 | [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 }, |
| 1061 | [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 }, |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1062 | [IFLA_BR_NF_CALL_IPTABLES] = { .type = NLA_U8 }, |
| 1063 | [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NLA_U8 }, |
| 1064 | [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 0f963b7 | 2015-10-04 14:23:47 +0200 | [diff] [blame] | 1065 | [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NLA_U16 }, |
Nikolay Aleksandrov | 6dada9b | 2016-04-30 10:25:28 +0200 | [diff] [blame] | 1066 | [IFLA_BR_VLAN_STATS_ENABLED] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1067 | [IFLA_BR_MCAST_STATS_ENABLED] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 5e92358 | 2016-11-21 13:03:24 +0100 | [diff] [blame] | 1068 | [IFLA_BR_MCAST_IGMP_VERSION] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | aa2ae3e | 2016-11-21 13:03:25 +0100 | [diff] [blame] | 1069 | [IFLA_BR_MCAST_MLD_VERSION] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | 9163a0f | 2018-10-12 13:41:16 +0300 | [diff] [blame] | 1070 | [IFLA_BR_VLAN_STATS_PER_PORT] = { .type = NLA_U8 }, |
Nikolay Aleksandrov | a428afe | 2018-11-24 04:34:20 +0200 | [diff] [blame] | 1071 | [IFLA_BR_MULTI_BOOLOPT] = { .type = NLA_EXACT_LEN, |
| 1072 | .len = sizeof(struct br_boolopt_multi) }, |
Jiri Pirko | 1332351 | 2014-09-05 15:51:32 +0200 | [diff] [blame] | 1073 | }; |
| 1074 | |
| 1075 | static int br_changelink(struct net_device *brdev, struct nlattr *tb[], |
Matthias Schiffer | ad744b2 | 2017-06-25 23:56:00 +0200 | [diff] [blame] | 1076 | struct nlattr *data[], |
| 1077 | struct netlink_ext_ack *extack) |
Jiri Pirko | 1332351 | 2014-09-05 15:51:32 +0200 | [diff] [blame] | 1078 | { |
| 1079 | struct net_bridge *br = netdev_priv(brdev); |
| 1080 | int err; |
| 1081 | |
| 1082 | if (!data) |
| 1083 | return 0; |
| 1084 | |
| 1085 | if (data[IFLA_BR_FORWARD_DELAY]) { |
| 1086 | err = br_set_forward_delay(br, nla_get_u32(data[IFLA_BR_FORWARD_DELAY])); |
| 1087 | if (err) |
| 1088 | return err; |
| 1089 | } |
| 1090 | |
| 1091 | if (data[IFLA_BR_HELLO_TIME]) { |
| 1092 | err = br_set_hello_time(br, nla_get_u32(data[IFLA_BR_HELLO_TIME])); |
| 1093 | if (err) |
| 1094 | return err; |
| 1095 | } |
| 1096 | |
| 1097 | if (data[IFLA_BR_MAX_AGE]) { |
| 1098 | err = br_set_max_age(br, nla_get_u32(data[IFLA_BR_MAX_AGE])); |
| 1099 | if (err) |
| 1100 | return err; |
| 1101 | } |
| 1102 | |
Jörg Thalheim | af61576 | 2015-03-18 10:06:58 +0100 | [diff] [blame] | 1103 | if (data[IFLA_BR_AGEING_TIME]) { |
Scott Feldman | c62987b | 2015-10-08 19:23:19 -0700 | [diff] [blame] | 1104 | err = br_set_ageing_time(br, nla_get_u32(data[IFLA_BR_AGEING_TIME])); |
| 1105 | if (err) |
| 1106 | return err; |
Jörg Thalheim | af61576 | 2015-03-18 10:06:58 +0100 | [diff] [blame] | 1107 | } |
| 1108 | |
| 1109 | if (data[IFLA_BR_STP_STATE]) { |
| 1110 | u32 stp_enabled = nla_get_u32(data[IFLA_BR_STP_STATE]); |
| 1111 | |
| 1112 | br_stp_set_enabled(br, stp_enabled); |
| 1113 | } |
| 1114 | |
| 1115 | if (data[IFLA_BR_PRIORITY]) { |
| 1116 | u32 priority = nla_get_u16(data[IFLA_BR_PRIORITY]); |
| 1117 | |
| 1118 | br_stp_set_bridge_priority(br, priority); |
| 1119 | } |
| 1120 | |
Nikolay Aleksandrov | a785403 | 2015-08-07 19:40:45 +0300 | [diff] [blame] | 1121 | if (data[IFLA_BR_VLAN_FILTERING]) { |
| 1122 | u8 vlan_filter = nla_get_u8(data[IFLA_BR_VLAN_FILTERING]); |
| 1123 | |
| 1124 | err = __br_vlan_filter_toggle(br, vlan_filter); |
| 1125 | if (err) |
| 1126 | return err; |
| 1127 | } |
| 1128 | |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 1129 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
| 1130 | if (data[IFLA_BR_VLAN_PROTOCOL]) { |
| 1131 | __be16 vlan_proto = nla_get_be16(data[IFLA_BR_VLAN_PROTOCOL]); |
| 1132 | |
| 1133 | err = __br_vlan_set_proto(br, vlan_proto); |
| 1134 | if (err) |
| 1135 | return err; |
| 1136 | } |
Nikolay Aleksandrov | 0f963b7 | 2015-10-04 14:23:47 +0200 | [diff] [blame] | 1137 | |
| 1138 | if (data[IFLA_BR_VLAN_DEFAULT_PVID]) { |
| 1139 | __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]); |
| 1140 | |
Petr Machata | 169327d | 2018-12-12 17:02:50 +0000 | [diff] [blame] | 1141 | err = __br_vlan_set_default_pvid(br, defpvid, extack); |
Nikolay Aleksandrov | 0f963b7 | 2015-10-04 14:23:47 +0200 | [diff] [blame] | 1142 | if (err) |
| 1143 | return err; |
| 1144 | } |
Nikolay Aleksandrov | 6dada9b | 2016-04-30 10:25:28 +0200 | [diff] [blame] | 1145 | |
| 1146 | if (data[IFLA_BR_VLAN_STATS_ENABLED]) { |
| 1147 | __u8 vlan_stats = nla_get_u8(data[IFLA_BR_VLAN_STATS_ENABLED]); |
| 1148 | |
| 1149 | err = br_vlan_set_stats(br, vlan_stats); |
| 1150 | if (err) |
| 1151 | return err; |
| 1152 | } |
Nikolay Aleksandrov | 9163a0f | 2018-10-12 13:41:16 +0300 | [diff] [blame] | 1153 | |
| 1154 | if (data[IFLA_BR_VLAN_STATS_PER_PORT]) { |
| 1155 | __u8 per_port = nla_get_u8(data[IFLA_BR_VLAN_STATS_PER_PORT]); |
| 1156 | |
| 1157 | err = br_vlan_set_stats_per_port(br, per_port); |
| 1158 | if (err) |
| 1159 | return err; |
| 1160 | } |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 1161 | #endif |
| 1162 | |
Nikolay Aleksandrov | 7910228 | 2015-10-04 14:23:28 +0200 | [diff] [blame] | 1163 | if (data[IFLA_BR_GROUP_FWD_MASK]) { |
| 1164 | u16 fwd_mask = nla_get_u16(data[IFLA_BR_GROUP_FWD_MASK]); |
| 1165 | |
| 1166 | if (fwd_mask & BR_GROUPFWD_RESTRICTED) |
| 1167 | return -EINVAL; |
| 1168 | br->group_fwd_mask = fwd_mask; |
| 1169 | } |
| 1170 | |
Nikolay Aleksandrov | 111189a | 2015-10-04 14:23:35 +0200 | [diff] [blame] | 1171 | if (data[IFLA_BR_GROUP_ADDR]) { |
| 1172 | u8 new_addr[ETH_ALEN]; |
| 1173 | |
| 1174 | if (nla_len(data[IFLA_BR_GROUP_ADDR]) != ETH_ALEN) |
| 1175 | return -EINVAL; |
| 1176 | memcpy(new_addr, nla_data(data[IFLA_BR_GROUP_ADDR]), ETH_ALEN); |
| 1177 | if (!is_link_local_ether_addr(new_addr)) |
| 1178 | return -EINVAL; |
| 1179 | if (new_addr[5] == 1 || /* 802.3x Pause address */ |
| 1180 | new_addr[5] == 2 || /* 802.3ad Slow protocols */ |
| 1181 | new_addr[5] == 3) /* 802.1X PAE address */ |
| 1182 | return -EINVAL; |
| 1183 | spin_lock_bh(&br->lock); |
| 1184 | memcpy(br->group_addr, new_addr, sizeof(br->group_addr)); |
| 1185 | spin_unlock_bh(&br->lock); |
Nikolay Aleksandrov | be3664a | 2018-09-26 17:01:02 +0300 | [diff] [blame] | 1186 | br_opt_toggle(br, BROPT_GROUP_ADDR_SET, true); |
Nikolay Aleksandrov | 111189a | 2015-10-04 14:23:35 +0200 | [diff] [blame] | 1187 | br_recalculate_fwd_mask(br); |
| 1188 | } |
| 1189 | |
Nikolay Aleksandrov | 150217c | 2015-10-04 14:23:36 +0200 | [diff] [blame] | 1190 | if (data[IFLA_BR_FDB_FLUSH]) |
| 1191 | br_fdb_flush(br); |
| 1192 | |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1193 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
| 1194 | if (data[IFLA_BR_MCAST_ROUTER]) { |
| 1195 | u8 multicast_router = nla_get_u8(data[IFLA_BR_MCAST_ROUTER]); |
| 1196 | |
| 1197 | err = br_multicast_set_router(br, multicast_router); |
| 1198 | if (err) |
| 1199 | return err; |
| 1200 | } |
Nikolay Aleksandrov | 8912632 | 2015-10-04 14:23:38 +0200 | [diff] [blame] | 1201 | |
| 1202 | if (data[IFLA_BR_MCAST_SNOOPING]) { |
| 1203 | u8 mcast_snooping = nla_get_u8(data[IFLA_BR_MCAST_SNOOPING]); |
| 1204 | |
YueHaibing | a26d94b | 2018-12-17 17:46:23 +0800 | [diff] [blame] | 1205 | br_multicast_toggle(br, mcast_snooping); |
Nikolay Aleksandrov | 8912632 | 2015-10-04 14:23:38 +0200 | [diff] [blame] | 1206 | } |
Nikolay Aleksandrov | 295141d | 2015-10-04 14:23:39 +0200 | [diff] [blame] | 1207 | |
| 1208 | if (data[IFLA_BR_MCAST_QUERY_USE_IFADDR]) { |
| 1209 | u8 val; |
| 1210 | |
| 1211 | val = nla_get_u8(data[IFLA_BR_MCAST_QUERY_USE_IFADDR]); |
Nikolay Aleksandrov | 675779a | 2018-09-26 17:01:04 +0300 | [diff] [blame] | 1212 | br_opt_toggle(br, BROPT_MULTICAST_QUERY_USE_IFADDR, !!val); |
Nikolay Aleksandrov | 295141d | 2015-10-04 14:23:39 +0200 | [diff] [blame] | 1213 | } |
Nikolay Aleksandrov | ba062d7c | 2015-10-04 14:23:40 +0200 | [diff] [blame] | 1214 | |
| 1215 | if (data[IFLA_BR_MCAST_QUERIER]) { |
| 1216 | u8 mcast_querier = nla_get_u8(data[IFLA_BR_MCAST_QUERIER]); |
| 1217 | |
| 1218 | err = br_multicast_set_querier(br, mcast_querier); |
| 1219 | if (err) |
| 1220 | return err; |
| 1221 | } |
Nikolay Aleksandrov | 431db3c | 2015-10-04 14:23:41 +0200 | [diff] [blame] | 1222 | |
Nikolay Aleksandrov | cf332bca | 2018-12-05 15:14:26 +0200 | [diff] [blame] | 1223 | if (data[IFLA_BR_MCAST_HASH_ELASTICITY]) |
| 1224 | br_warn(br, "the hash_elasticity option has been deprecated and is always %u\n", |
| 1225 | RHT_ELASTICITY); |
Nikolay Aleksandrov | 858079f | 2015-10-04 14:23:42 +0200 | [diff] [blame] | 1226 | |
Nikolay Aleksandrov | 19e3a9c | 2018-12-05 15:14:24 +0200 | [diff] [blame] | 1227 | if (data[IFLA_BR_MCAST_HASH_MAX]) |
| 1228 | br->hash_max = nla_get_u32(data[IFLA_BR_MCAST_HASH_MAX]); |
Nikolay Aleksandrov | 79b859f | 2015-10-04 14:23:43 +0200 | [diff] [blame] | 1229 | |
| 1230 | if (data[IFLA_BR_MCAST_LAST_MEMBER_CNT]) { |
| 1231 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_LAST_MEMBER_CNT]); |
| 1232 | |
| 1233 | br->multicast_last_member_count = val; |
| 1234 | } |
Nikolay Aleksandrov | b89e6ba | 2015-10-04 14:23:44 +0200 | [diff] [blame] | 1235 | |
| 1236 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]) { |
| 1237 | u32 val = nla_get_u32(data[IFLA_BR_MCAST_STARTUP_QUERY_CNT]); |
| 1238 | |
| 1239 | br->multicast_startup_query_count = val; |
| 1240 | } |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1241 | |
| 1242 | if (data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]) { |
| 1243 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_LAST_MEMBER_INTVL]); |
| 1244 | |
| 1245 | br->multicast_last_member_interval = clock_t_to_jiffies(val); |
| 1246 | } |
| 1247 | |
| 1248 | if (data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]) { |
| 1249 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_MEMBERSHIP_INTVL]); |
| 1250 | |
| 1251 | br->multicast_membership_interval = clock_t_to_jiffies(val); |
| 1252 | } |
| 1253 | |
| 1254 | if (data[IFLA_BR_MCAST_QUERIER_INTVL]) { |
| 1255 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERIER_INTVL]); |
| 1256 | |
| 1257 | br->multicast_querier_interval = clock_t_to_jiffies(val); |
| 1258 | } |
| 1259 | |
| 1260 | if (data[IFLA_BR_MCAST_QUERY_INTVL]) { |
| 1261 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_INTVL]); |
| 1262 | |
| 1263 | br->multicast_query_interval = clock_t_to_jiffies(val); |
| 1264 | } |
| 1265 | |
| 1266 | if (data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]) { |
| 1267 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]); |
| 1268 | |
| 1269 | br->multicast_query_response_interval = clock_t_to_jiffies(val); |
| 1270 | } |
| 1271 | |
| 1272 | if (data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]) { |
| 1273 | u64 val = nla_get_u64(data[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]); |
| 1274 | |
| 1275 | br->multicast_startup_query_interval = clock_t_to_jiffies(val); |
| 1276 | } |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1277 | |
| 1278 | if (data[IFLA_BR_MCAST_STATS_ENABLED]) { |
| 1279 | __u8 mcast_stats; |
| 1280 | |
| 1281 | mcast_stats = nla_get_u8(data[IFLA_BR_MCAST_STATS_ENABLED]); |
Nikolay Aleksandrov | 675779a | 2018-09-26 17:01:04 +0300 | [diff] [blame] | 1282 | br_opt_toggle(br, BROPT_MULTICAST_STATS_ENABLED, !!mcast_stats); |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1283 | } |
Nikolay Aleksandrov | 5e92358 | 2016-11-21 13:03:24 +0100 | [diff] [blame] | 1284 | |
| 1285 | if (data[IFLA_BR_MCAST_IGMP_VERSION]) { |
| 1286 | __u8 igmp_version; |
| 1287 | |
| 1288 | igmp_version = nla_get_u8(data[IFLA_BR_MCAST_IGMP_VERSION]); |
| 1289 | err = br_multicast_set_igmp_version(br, igmp_version); |
| 1290 | if (err) |
| 1291 | return err; |
| 1292 | } |
Nikolay Aleksandrov | aa2ae3e | 2016-11-21 13:03:25 +0100 | [diff] [blame] | 1293 | |
| 1294 | #if IS_ENABLED(CONFIG_IPV6) |
| 1295 | if (data[IFLA_BR_MCAST_MLD_VERSION]) { |
| 1296 | __u8 mld_version; |
| 1297 | |
| 1298 | mld_version = nla_get_u8(data[IFLA_BR_MCAST_MLD_VERSION]); |
| 1299 | err = br_multicast_set_mld_version(br, mld_version); |
| 1300 | if (err) |
| 1301 | return err; |
| 1302 | } |
| 1303 | #endif |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1304 | #endif |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1305 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
| 1306 | if (data[IFLA_BR_NF_CALL_IPTABLES]) { |
| 1307 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IPTABLES]); |
| 1308 | |
Nikolay Aleksandrov | 8df3510 | 2018-09-26 17:01:01 +0300 | [diff] [blame] | 1309 | br_opt_toggle(br, BROPT_NF_CALL_IPTABLES, !!val); |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1310 | } |
| 1311 | |
| 1312 | if (data[IFLA_BR_NF_CALL_IP6TABLES]) { |
| 1313 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IP6TABLES]); |
| 1314 | |
Nikolay Aleksandrov | 8df3510 | 2018-09-26 17:01:01 +0300 | [diff] [blame] | 1315 | br_opt_toggle(br, BROPT_NF_CALL_IP6TABLES, !!val); |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1316 | } |
| 1317 | |
| 1318 | if (data[IFLA_BR_NF_CALL_ARPTABLES]) { |
| 1319 | u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_ARPTABLES]); |
| 1320 | |
Nikolay Aleksandrov | 8df3510 | 2018-09-26 17:01:01 +0300 | [diff] [blame] | 1321 | br_opt_toggle(br, BROPT_NF_CALL_ARPTABLES, !!val); |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1322 | } |
| 1323 | #endif |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1324 | |
Nikolay Aleksandrov | a428afe | 2018-11-24 04:34:20 +0200 | [diff] [blame] | 1325 | if (data[IFLA_BR_MULTI_BOOLOPT]) { |
| 1326 | struct br_boolopt_multi *bm; |
| 1327 | |
| 1328 | bm = nla_data(data[IFLA_BR_MULTI_BOOLOPT]); |
| 1329 | err = br_boolopt_multi_toggle(br, bm, extack); |
| 1330 | if (err) |
| 1331 | return err; |
| 1332 | } |
| 1333 | |
Jiri Pirko | 1332351 | 2014-09-05 15:51:32 +0200 | [diff] [blame] | 1334 | return 0; |
| 1335 | } |
| 1336 | |
Ivan Vecera | b667744 | 2017-01-20 18:12:17 +0100 | [diff] [blame] | 1337 | static int br_dev_newlink(struct net *src_net, struct net_device *dev, |
Matthias Schiffer | 7a3f4a1 | 2017-06-25 23:55:59 +0200 | [diff] [blame] | 1338 | struct nlattr *tb[], struct nlattr *data[], |
| 1339 | struct netlink_ext_ack *extack) |
Ivan Vecera | b667744 | 2017-01-20 18:12:17 +0100 | [diff] [blame] | 1340 | { |
| 1341 | struct net_bridge *br = netdev_priv(dev); |
| 1342 | int err; |
| 1343 | |
Nikolay Aleksandrov | 84aeb43 | 2017-12-18 17:35:09 +0200 | [diff] [blame] | 1344 | err = register_netdevice(dev); |
| 1345 | if (err) |
| 1346 | return err; |
| 1347 | |
Ivan Vecera | b667744 | 2017-01-20 18:12:17 +0100 | [diff] [blame] | 1348 | if (tb[IFLA_ADDRESS]) { |
| 1349 | spin_lock_bh(&br->lock); |
| 1350 | br_stp_change_bridge_id(br, nla_data(tb[IFLA_ADDRESS])); |
| 1351 | spin_unlock_bh(&br->lock); |
| 1352 | } |
| 1353 | |
Matthias Schiffer | ad744b2 | 2017-06-25 23:56:00 +0200 | [diff] [blame] | 1354 | err = br_changelink(dev, tb, data, extack); |
Ido Schimmel | 5b8d542 | 2017-04-10 14:59:28 +0300 | [diff] [blame] | 1355 | if (err) |
Nikolay Aleksandrov | 84aeb43 | 2017-12-18 17:35:09 +0200 | [diff] [blame] | 1356 | br_dev_delete(dev, NULL); |
| 1357 | |
Ido Schimmel | 5b8d542 | 2017-04-10 14:59:28 +0300 | [diff] [blame] | 1358 | return err; |
Ivan Vecera | b667744 | 2017-01-20 18:12:17 +0100 | [diff] [blame] | 1359 | } |
| 1360 | |
Jiri Pirko | e5c3ea5 | 2014-09-05 15:51:31 +0200 | [diff] [blame] | 1361 | static size_t br_get_size(const struct net_device *brdev) |
| 1362 | { |
| 1363 | return nla_total_size(sizeof(u32)) + /* IFLA_BR_FORWARD_DELAY */ |
| 1364 | nla_total_size(sizeof(u32)) + /* IFLA_BR_HELLO_TIME */ |
| 1365 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MAX_AGE */ |
Jörg Thalheim | af61576 | 2015-03-18 10:06:58 +0100 | [diff] [blame] | 1366 | nla_total_size(sizeof(u32)) + /* IFLA_BR_AGEING_TIME */ |
| 1367 | nla_total_size(sizeof(u32)) + /* IFLA_BR_STP_STATE */ |
| 1368 | nla_total_size(sizeof(u16)) + /* IFLA_BR_PRIORITY */ |
Nikolay Aleksandrov | a785403 | 2015-08-07 19:40:45 +0300 | [diff] [blame] | 1369 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_FILTERING */ |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 1370 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
| 1371 | nla_total_size(sizeof(__be16)) + /* IFLA_BR_VLAN_PROTOCOL */ |
Nikolay Aleksandrov | 0f963b7 | 2015-10-04 14:23:47 +0200 | [diff] [blame] | 1372 | nla_total_size(sizeof(u16)) + /* IFLA_BR_VLAN_DEFAULT_PVID */ |
Nikolay Aleksandrov | 6dada9b | 2016-04-30 10:25:28 +0200 | [diff] [blame] | 1373 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_ENABLED */ |
Nikolay Aleksandrov | 9163a0f | 2018-10-12 13:41:16 +0300 | [diff] [blame] | 1374 | nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_PER_PORT */ |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 1375 | #endif |
Nikolay Aleksandrov | 7910228 | 2015-10-04 14:23:28 +0200 | [diff] [blame] | 1376 | nla_total_size(sizeof(u16)) + /* IFLA_BR_GROUP_FWD_MASK */ |
Nikolay Aleksandrov | 5127c81 | 2015-10-04 14:23:29 +0200 | [diff] [blame] | 1377 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_ROOT_ID */ |
Nikolay Aleksandrov | 7599a22 | 2015-10-04 14:23:30 +0200 | [diff] [blame] | 1378 | nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_BRIDGE_ID */ |
Nikolay Aleksandrov | 8762ba6 | 2015-10-04 14:23:31 +0200 | [diff] [blame] | 1379 | nla_total_size(sizeof(u16)) + /* IFLA_BR_ROOT_PORT */ |
Nikolay Aleksandrov | 684dd24 | 2015-10-04 14:23:32 +0200 | [diff] [blame] | 1380 | nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */ |
Nikolay Aleksandrov | b89e6ba | 2015-10-04 14:23:44 +0200 | [diff] [blame] | 1381 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */ |
| 1382 | nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE_DETECTED */ |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1383 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */ |
| 1384 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */ |
| 1385 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */ |
| 1386 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_GC_TIMER */ |
Nikolay Aleksandrov | 111189a | 2015-10-04 14:23:35 +0200 | [diff] [blame] | 1387 | nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */ |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1388 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
| 1389 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */ |
Nikolay Aleksandrov | 8912632 | 2015-10-04 14:23:38 +0200 | [diff] [blame] | 1390 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_SNOOPING */ |
Nikolay Aleksandrov | 295141d | 2015-10-04 14:23:39 +0200 | [diff] [blame] | 1391 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */ |
Nikolay Aleksandrov | ba062d7c | 2015-10-04 14:23:40 +0200 | [diff] [blame] | 1392 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_QUERIER */ |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1393 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_STATS_ENABLED */ |
Nikolay Aleksandrov | b89e6ba | 2015-10-04 14:23:44 +0200 | [diff] [blame] | 1394 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_ELASTICITY */ |
| 1395 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_MAX */ |
| 1396 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_LAST_MEMBER_CNT */ |
| 1397 | nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_STARTUP_QUERY_CNT */ |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1398 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */ |
| 1399 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */ |
| 1400 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERIER_INTVL */ |
| 1401 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_INTVL */ |
| 1402 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */ |
| 1403 | nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */ |
Nikolay Aleksandrov | 5e92358 | 2016-11-21 13:03:24 +0100 | [diff] [blame] | 1404 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_IGMP_VERSION */ |
Nikolay Aleksandrov | aa2ae3e | 2016-11-21 13:03:25 +0100 | [diff] [blame] | 1405 | nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_MLD_VERSION */ |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1406 | #endif |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1407 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
| 1408 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IPTABLES */ |
| 1409 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IP6TABLES */ |
| 1410 | nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_ARPTABLES */ |
| 1411 | #endif |
Nikolay Aleksandrov | a428afe | 2018-11-24 04:34:20 +0200 | [diff] [blame] | 1412 | nla_total_size(sizeof(struct br_boolopt_multi)) + /* IFLA_BR_MULTI_BOOLOPT */ |
Jiri Pirko | e5c3ea5 | 2014-09-05 15:51:31 +0200 | [diff] [blame] | 1413 | 0; |
| 1414 | } |
| 1415 | |
| 1416 | static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) |
| 1417 | { |
| 1418 | struct net_bridge *br = netdev_priv(brdev); |
| 1419 | u32 forward_delay = jiffies_to_clock_t(br->forward_delay); |
| 1420 | u32 hello_time = jiffies_to_clock_t(br->hello_time); |
| 1421 | u32 age_time = jiffies_to_clock_t(br->max_age); |
Jörg Thalheim | af61576 | 2015-03-18 10:06:58 +0100 | [diff] [blame] | 1422 | u32 ageing_time = jiffies_to_clock_t(br->ageing_time); |
| 1423 | u32 stp_enabled = br->stp_enabled; |
| 1424 | u16 priority = (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1]; |
Ido Schimmel | 1f51445 | 2017-05-26 08:37:23 +0200 | [diff] [blame] | 1425 | u8 vlan_enabled = br_vlan_enabled(br->dev); |
Nikolay Aleksandrov | a428afe | 2018-11-24 04:34:20 +0200 | [diff] [blame] | 1426 | struct br_boolopt_multi bm; |
Nikolay Aleksandrov | 4917a15 | 2015-10-05 12:11:21 +0200 | [diff] [blame] | 1427 | u64 clockval; |
Nikolay Aleksandrov | 5127c81 | 2015-10-04 14:23:29 +0200 | [diff] [blame] | 1428 | |
Nikolay Aleksandrov | 4917a15 | 2015-10-05 12:11:21 +0200 | [diff] [blame] | 1429 | clockval = br_timer_value(&br->hello_timer); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1430 | if (nla_put_u64_64bit(skb, IFLA_BR_HELLO_TIMER, clockval, IFLA_BR_PAD)) |
Nikolay Aleksandrov | 4917a15 | 2015-10-05 12:11:21 +0200 | [diff] [blame] | 1431 | return -EMSGSIZE; |
| 1432 | clockval = br_timer_value(&br->tcn_timer); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1433 | if (nla_put_u64_64bit(skb, IFLA_BR_TCN_TIMER, clockval, IFLA_BR_PAD)) |
Nikolay Aleksandrov | 4917a15 | 2015-10-05 12:11:21 +0200 | [diff] [blame] | 1434 | return -EMSGSIZE; |
| 1435 | clockval = br_timer_value(&br->topology_change_timer); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1436 | if (nla_put_u64_64bit(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER, clockval, |
| 1437 | IFLA_BR_PAD)) |
Nikolay Aleksandrov | 4917a15 | 2015-10-05 12:11:21 +0200 | [diff] [blame] | 1438 | return -EMSGSIZE; |
Nikolay Aleksandrov | f7cdee8 | 2017-02-04 18:05:07 +0100 | [diff] [blame] | 1439 | clockval = br_timer_value(&br->gc_work.timer); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1440 | if (nla_put_u64_64bit(skb, IFLA_BR_GC_TIMER, clockval, IFLA_BR_PAD)) |
Nikolay Aleksandrov | 4917a15 | 2015-10-05 12:11:21 +0200 | [diff] [blame] | 1441 | return -EMSGSIZE; |
Jiri Pirko | e5c3ea5 | 2014-09-05 15:51:31 +0200 | [diff] [blame] | 1442 | |
Nikolay Aleksandrov | a428afe | 2018-11-24 04:34:20 +0200 | [diff] [blame] | 1443 | br_boolopt_multi_get(br, &bm); |
Jiri Pirko | e5c3ea5 | 2014-09-05 15:51:31 +0200 | [diff] [blame] | 1444 | if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) || |
| 1445 | nla_put_u32(skb, IFLA_BR_HELLO_TIME, hello_time) || |
Jörg Thalheim | af61576 | 2015-03-18 10:06:58 +0100 | [diff] [blame] | 1446 | nla_put_u32(skb, IFLA_BR_MAX_AGE, age_time) || |
| 1447 | nla_put_u32(skb, IFLA_BR_AGEING_TIME, ageing_time) || |
| 1448 | nla_put_u32(skb, IFLA_BR_STP_STATE, stp_enabled) || |
Nikolay Aleksandrov | a785403 | 2015-08-07 19:40:45 +0300 | [diff] [blame] | 1449 | nla_put_u16(skb, IFLA_BR_PRIORITY, priority) || |
Nikolay Aleksandrov | 7910228 | 2015-10-04 14:23:28 +0200 | [diff] [blame] | 1450 | nla_put_u8(skb, IFLA_BR_VLAN_FILTERING, vlan_enabled) || |
Nikolay Aleksandrov | 4917a15 | 2015-10-05 12:11:21 +0200 | [diff] [blame] | 1451 | nla_put_u16(skb, IFLA_BR_GROUP_FWD_MASK, br->group_fwd_mask) || |
| 1452 | nla_put(skb, IFLA_BR_BRIDGE_ID, sizeof(struct ifla_bridge_id), |
| 1453 | &br->bridge_id) || |
| 1454 | nla_put(skb, IFLA_BR_ROOT_ID, sizeof(struct ifla_bridge_id), |
| 1455 | &br->designated_root) || |
Nikolay Aleksandrov | 684dd24 | 2015-10-04 14:23:32 +0200 | [diff] [blame] | 1456 | nla_put_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) || |
Nikolay Aleksandrov | ed41630 | 2015-10-04 14:23:33 +0200 | [diff] [blame] | 1457 | nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost) || |
| 1458 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE, br->topology_change) || |
| 1459 | nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED, |
Nikolay Aleksandrov | d76bd14 | 2015-10-04 14:23:34 +0200 | [diff] [blame] | 1460 | br->topology_change_detected) || |
Nikolay Aleksandrov | a428afe | 2018-11-24 04:34:20 +0200 | [diff] [blame] | 1461 | nla_put(skb, IFLA_BR_GROUP_ADDR, ETH_ALEN, br->group_addr) || |
| 1462 | nla_put(skb, IFLA_BR_MULTI_BOOLOPT, sizeof(bm), &bm)) |
Jiri Pirko | e5c3ea5 | 2014-09-05 15:51:31 +0200 | [diff] [blame] | 1463 | return -EMSGSIZE; |
| 1464 | |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 1465 | #ifdef CONFIG_BRIDGE_VLAN_FILTERING |
Nikolay Aleksandrov | 0f963b7 | 2015-10-04 14:23:47 +0200 | [diff] [blame] | 1466 | if (nla_put_be16(skb, IFLA_BR_VLAN_PROTOCOL, br->vlan_proto) || |
Nikolay Aleksandrov | 6dada9b | 2016-04-30 10:25:28 +0200 | [diff] [blame] | 1467 | nla_put_u16(skb, IFLA_BR_VLAN_DEFAULT_PVID, br->default_pvid) || |
Nikolay Aleksandrov | ae75767 | 2018-09-26 17:01:00 +0300 | [diff] [blame] | 1468 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_ENABLED, |
Nikolay Aleksandrov | 9163a0f | 2018-10-12 13:41:16 +0300 | [diff] [blame] | 1469 | br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) || |
| 1470 | nla_put_u8(skb, IFLA_BR_VLAN_STATS_PER_PORT, |
Nikolay Aleksandrov | 600bea7 | 2019-04-16 16:15:56 +0300 | [diff] [blame] | 1471 | br_opt_get(br, BROPT_VLAN_STATS_PER_PORT))) |
Toshiaki Makita | d2d427b | 2015-08-27 15:32:26 +0900 | [diff] [blame] | 1472 | return -EMSGSIZE; |
| 1473 | #endif |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1474 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
Nikolay Aleksandrov | 8912632 | 2015-10-04 14:23:38 +0200 | [diff] [blame] | 1475 | if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) || |
Nikolay Aleksandrov | 13cefad | 2018-09-26 17:01:03 +0300 | [diff] [blame] | 1476 | nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, |
| 1477 | br_opt_get(br, BROPT_MULTICAST_ENABLED)) || |
Nikolay Aleksandrov | 295141d | 2015-10-04 14:23:39 +0200 | [diff] [blame] | 1478 | nla_put_u8(skb, IFLA_BR_MCAST_QUERY_USE_IFADDR, |
Nikolay Aleksandrov | 675779a | 2018-09-26 17:01:04 +0300 | [diff] [blame] | 1479 | br_opt_get(br, BROPT_MULTICAST_QUERY_USE_IFADDR)) || |
| 1480 | nla_put_u8(skb, IFLA_BR_MCAST_QUERIER, |
| 1481 | br_opt_get(br, BROPT_MULTICAST_QUERIER)) || |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1482 | nla_put_u8(skb, IFLA_BR_MCAST_STATS_ENABLED, |
Nikolay Aleksandrov | 675779a | 2018-09-26 17:01:04 +0300 | [diff] [blame] | 1483 | br_opt_get(br, BROPT_MULTICAST_STATS_ENABLED)) || |
Nikolay Aleksandrov | cf332bca | 2018-12-05 15:14:26 +0200 | [diff] [blame] | 1484 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_ELASTICITY, RHT_ELASTICITY) || |
Nikolay Aleksandrov | 79b859f | 2015-10-04 14:23:43 +0200 | [diff] [blame] | 1485 | nla_put_u32(skb, IFLA_BR_MCAST_HASH_MAX, br->hash_max) || |
| 1486 | nla_put_u32(skb, IFLA_BR_MCAST_LAST_MEMBER_CNT, |
Nikolay Aleksandrov | b89e6ba | 2015-10-04 14:23:44 +0200 | [diff] [blame] | 1487 | br->multicast_last_member_count) || |
| 1488 | nla_put_u32(skb, IFLA_BR_MCAST_STARTUP_QUERY_CNT, |
Nikolay Aleksandrov | 5e92358 | 2016-11-21 13:03:24 +0100 | [diff] [blame] | 1489 | br->multicast_startup_query_count) || |
| 1490 | nla_put_u8(skb, IFLA_BR_MCAST_IGMP_VERSION, |
| 1491 | br->multicast_igmp_version)) |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1492 | return -EMSGSIZE; |
Nikolay Aleksandrov | aa2ae3e | 2016-11-21 13:03:25 +0100 | [diff] [blame] | 1493 | #if IS_ENABLED(CONFIG_IPV6) |
| 1494 | if (nla_put_u8(skb, IFLA_BR_MCAST_MLD_VERSION, |
| 1495 | br->multicast_mld_version)) |
| 1496 | return -EMSGSIZE; |
| 1497 | #endif |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1498 | clockval = jiffies_to_clock_t(br->multicast_last_member_interval); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1499 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval, |
| 1500 | IFLA_BR_PAD)) |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1501 | return -EMSGSIZE; |
| 1502 | clockval = jiffies_to_clock_t(br->multicast_membership_interval); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1503 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval, |
| 1504 | IFLA_BR_PAD)) |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1505 | return -EMSGSIZE; |
| 1506 | clockval = jiffies_to_clock_t(br->multicast_querier_interval); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1507 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval, |
| 1508 | IFLA_BR_PAD)) |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1509 | return -EMSGSIZE; |
| 1510 | clockval = jiffies_to_clock_t(br->multicast_query_interval); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1511 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval, |
| 1512 | IFLA_BR_PAD)) |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1513 | return -EMSGSIZE; |
| 1514 | clockval = jiffies_to_clock_t(br->multicast_query_response_interval); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1515 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval, |
| 1516 | IFLA_BR_PAD)) |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1517 | return -EMSGSIZE; |
| 1518 | clockval = jiffies_to_clock_t(br->multicast_startup_query_interval); |
Nicolas Dichtel | 12a0faa | 2016-04-25 10:25:18 +0200 | [diff] [blame] | 1519 | if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval, |
| 1520 | IFLA_BR_PAD)) |
Nikolay Aleksandrov | 7e4df51 | 2015-10-04 14:23:45 +0200 | [diff] [blame] | 1521 | return -EMSGSIZE; |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1522 | #endif |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1523 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
| 1524 | if (nla_put_u8(skb, IFLA_BR_NF_CALL_IPTABLES, |
Nikolay Aleksandrov | 8df3510 | 2018-09-26 17:01:01 +0300 | [diff] [blame] | 1525 | br_opt_get(br, BROPT_NF_CALL_IPTABLES) ? 1 : 0) || |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1526 | nla_put_u8(skb, IFLA_BR_NF_CALL_IP6TABLES, |
Nikolay Aleksandrov | 8df3510 | 2018-09-26 17:01:01 +0300 | [diff] [blame] | 1527 | br_opt_get(br, BROPT_NF_CALL_IP6TABLES) ? 1 : 0) || |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1528 | nla_put_u8(skb, IFLA_BR_NF_CALL_ARPTABLES, |
Nikolay Aleksandrov | 8df3510 | 2018-09-26 17:01:01 +0300 | [diff] [blame] | 1529 | br_opt_get(br, BROPT_NF_CALL_ARPTABLES) ? 1 : 0)) |
Nikolay Aleksandrov | 93870cc | 2015-10-04 14:23:46 +0200 | [diff] [blame] | 1530 | return -EMSGSIZE; |
| 1531 | #endif |
Nikolay Aleksandrov | a9a6bc7 | 2015-10-04 14:23:37 +0200 | [diff] [blame] | 1532 | |
Jiri Pirko | e5c3ea5 | 2014-09-05 15:51:31 +0200 | [diff] [blame] | 1533 | return 0; |
| 1534 | } |
| 1535 | |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1536 | static size_t br_get_linkxstats_size(const struct net_device *dev, int attr) |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1537 | { |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1538 | struct net_bridge_port *p = NULL; |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1539 | struct net_bridge_vlan_group *vg; |
| 1540 | struct net_bridge_vlan *v; |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1541 | struct net_bridge *br; |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1542 | int numvls = 0; |
| 1543 | |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1544 | switch (attr) { |
| 1545 | case IFLA_STATS_LINK_XSTATS: |
| 1546 | br = netdev_priv(dev); |
| 1547 | vg = br_vlan_group(br); |
| 1548 | break; |
| 1549 | case IFLA_STATS_LINK_XSTATS_SLAVE: |
| 1550 | p = br_port_get_rtnl(dev); |
| 1551 | if (!p) |
| 1552 | return 0; |
| 1553 | br = p->br; |
| 1554 | vg = nbp_vlan_group(p); |
| 1555 | break; |
| 1556 | default: |
| 1557 | return 0; |
| 1558 | } |
| 1559 | |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1560 | if (vg) { |
| 1561 | /* we need to count all, even placeholder entries */ |
| 1562 | list_for_each_entry(v, &vg->vlan_list, vlist) |
| 1563 | numvls++; |
| 1564 | } |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1565 | |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1566 | return numvls * nla_total_size(sizeof(struct bridge_vlan_xstats)) + |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1567 | nla_total_size(sizeof(struct br_mcast_stats)) + |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1568 | nla_total_size(0); |
| 1569 | } |
| 1570 | |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1571 | static int br_fill_linkxstats(struct sk_buff *skb, |
| 1572 | const struct net_device *dev, |
| 1573 | int *prividx, int attr) |
Nikolay Aleksandrov | 80e73cc | 2016-06-28 16:57:05 +0200 | [diff] [blame] | 1574 | { |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1575 | struct nlattr *nla __maybe_unused; |
| 1576 | struct net_bridge_port *p = NULL; |
| 1577 | struct net_bridge_vlan_group *vg; |
| 1578 | struct net_bridge_vlan *v; |
| 1579 | struct net_bridge *br; |
| 1580 | struct nlattr *nest; |
| 1581 | int vl_idx = 0; |
Nikolay Aleksandrov | 80e73cc | 2016-06-28 16:57:05 +0200 | [diff] [blame] | 1582 | |
| 1583 | switch (attr) { |
| 1584 | case IFLA_STATS_LINK_XSTATS: |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1585 | br = netdev_priv(dev); |
| 1586 | vg = br_vlan_group(br); |
Nikolay Aleksandrov | 80e73cc | 2016-06-28 16:57:05 +0200 | [diff] [blame] | 1587 | break; |
| 1588 | case IFLA_STATS_LINK_XSTATS_SLAVE: |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1589 | p = br_port_get_rtnl(dev); |
| 1590 | if (!p) |
| 1591 | return 0; |
| 1592 | br = p->br; |
| 1593 | vg = nbp_vlan_group(p); |
Nikolay Aleksandrov | 80e73cc | 2016-06-28 16:57:05 +0200 | [diff] [blame] | 1594 | break; |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1595 | default: |
| 1596 | return -EINVAL; |
Nikolay Aleksandrov | 80e73cc | 2016-06-28 16:57:05 +0200 | [diff] [blame] | 1597 | } |
| 1598 | |
Michal Kubecek | ae0be8d | 2019-04-26 11:13:06 +0200 | [diff] [blame] | 1599 | nest = nla_nest_start_noflag(skb, LINK_XSTATS_TYPE_BRIDGE); |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1600 | if (!nest) |
| 1601 | return -EMSGSIZE; |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1602 | |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1603 | if (vg) { |
Nikolay Aleksandrov | 72f4af4 | 2016-08-25 14:27:51 +0200 | [diff] [blame] | 1604 | u16 pvid; |
| 1605 | |
| 1606 | pvid = br_get_pvid(vg); |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1607 | list_for_each_entry(v, &vg->vlan_list, vlist) { |
| 1608 | struct bridge_vlan_xstats vxi; |
| 1609 | struct br_vlan_stats stats; |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1610 | |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1611 | if (++vl_idx < *prividx) |
| 1612 | continue; |
| 1613 | memset(&vxi, 0, sizeof(vxi)); |
| 1614 | vxi.vid = v->vid; |
Nikolay Aleksandrov | 61ba1a2 | 2016-08-17 12:53:10 +0200 | [diff] [blame] | 1615 | vxi.flags = v->flags; |
Nikolay Aleksandrov | 72f4af4 | 2016-08-25 14:27:51 +0200 | [diff] [blame] | 1616 | if (v->vid == pvid) |
| 1617 | vxi.flags |= BRIDGE_VLAN_INFO_PVID; |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1618 | br_vlan_get_stats(v, &stats); |
| 1619 | vxi.rx_bytes = stats.rx_bytes; |
| 1620 | vxi.rx_packets = stats.rx_packets; |
| 1621 | vxi.tx_bytes = stats.tx_bytes; |
| 1622 | vxi.tx_packets = stats.tx_packets; |
| 1623 | |
| 1624 | if (nla_put(skb, BRIDGE_XSTATS_VLAN, sizeof(vxi), &vxi)) |
| 1625 | goto nla_put_failure; |
| 1626 | } |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1627 | } |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1628 | |
| 1629 | #ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
| 1630 | if (++vl_idx >= *prividx) { |
| 1631 | nla = nla_reserve_64bit(skb, BRIDGE_XSTATS_MCAST, |
| 1632 | sizeof(struct br_mcast_stats), |
| 1633 | BRIDGE_XSTATS_PAD); |
| 1634 | if (!nla) |
| 1635 | goto nla_put_failure; |
Nikolay Aleksandrov | d5ff8c4 | 2016-08-17 12:53:09 +0200 | [diff] [blame] | 1636 | br_multicast_get_stats(br, p, nla_data(nla)); |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1637 | } |
| 1638 | #endif |
Vivien Didelot | de17996 | 2019-12-11 20:07:10 -0500 | [diff] [blame] | 1639 | |
| 1640 | if (p) { |
| 1641 | nla = nla_reserve_64bit(skb, BRIDGE_XSTATS_STP, |
| 1642 | sizeof(p->stp_xstats), |
| 1643 | BRIDGE_XSTATS_PAD); |
| 1644 | if (!nla) |
| 1645 | goto nla_put_failure; |
| 1646 | |
| 1647 | spin_lock_bh(&br->lock); |
| 1648 | memcpy(nla_data(nla), &p->stp_xstats, sizeof(p->stp_xstats)); |
| 1649 | spin_unlock_bh(&br->lock); |
| 1650 | } |
| 1651 | |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1652 | nla_nest_end(skb, nest); |
| 1653 | *prividx = 0; |
Nikolay Aleksandrov | 1080ab9 | 2016-06-28 16:57:06 +0200 | [diff] [blame] | 1654 | |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1655 | return 0; |
| 1656 | |
| 1657 | nla_put_failure: |
| 1658 | nla_nest_end(skb, nest); |
| 1659 | *prividx = vl_idx; |
| 1660 | |
| 1661 | return -EMSGSIZE; |
| 1662 | } |
Roopa Prabhu | fed0a15 | 2015-02-25 23:55:40 -0800 | [diff] [blame] | 1663 | |
Daniel Borkmann | 207895fd3 | 2015-01-29 12:15:03 +0100 | [diff] [blame] | 1664 | static struct rtnl_af_ops br_af_ops __read_mostly = { |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 1665 | .family = AF_BRIDGE, |
Arad, Ronen | b1974ed | 2015-10-19 09:23:28 -0700 | [diff] [blame] | 1666 | .get_link_af_size = br_get_link_af_size_filtered, |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 1667 | }; |
| 1668 | |
stephen hemminger | 149ddd8 | 2012-06-26 05:48:45 +0000 | [diff] [blame] | 1669 | struct rtnl_link_ops br_link_ops __read_mostly = { |
Jiri Pirko | ced8283 | 2014-09-05 15:51:29 +0200 | [diff] [blame] | 1670 | .kind = "bridge", |
| 1671 | .priv_size = sizeof(struct net_bridge), |
| 1672 | .setup = br_dev_setup, |
Scott Feldman | eb4cb85 | 2015-08-19 11:29:35 -0700 | [diff] [blame] | 1673 | .maxtype = IFLA_BR_MAX, |
Jiri Pirko | 1332351 | 2014-09-05 15:51:32 +0200 | [diff] [blame] | 1674 | .policy = br_policy, |
Jiri Pirko | ced8283 | 2014-09-05 15:51:29 +0200 | [diff] [blame] | 1675 | .validate = br_validate, |
| 1676 | .newlink = br_dev_newlink, |
Jiri Pirko | 1332351 | 2014-09-05 15:51:32 +0200 | [diff] [blame] | 1677 | .changelink = br_changelink, |
Jiri Pirko | ced8283 | 2014-09-05 15:51:29 +0200 | [diff] [blame] | 1678 | .dellink = br_dev_delete, |
Jiri Pirko | e5c3ea5 | 2014-09-05 15:51:31 +0200 | [diff] [blame] | 1679 | .get_size = br_get_size, |
| 1680 | .fill_info = br_fill_info, |
Nikolay Aleksandrov | a60c090 | 2016-04-30 10:25:29 +0200 | [diff] [blame] | 1681 | .fill_linkxstats = br_fill_linkxstats, |
| 1682 | .get_linkxstats_size = br_get_linkxstats_size, |
Jiri Pirko | 3ac636b | 2014-09-05 15:51:30 +0200 | [diff] [blame] | 1683 | |
| 1684 | .slave_maxtype = IFLA_BRPORT_MAX, |
| 1685 | .slave_policy = br_port_policy, |
| 1686 | .slave_changelink = br_port_slave_changelink, |
Jiri Pirko | ced8283 | 2014-09-05 15:51:29 +0200 | [diff] [blame] | 1687 | .get_slave_size = br_port_get_slave_size, |
| 1688 | .fill_slave_info = br_port_fill_slave_info, |
stephen hemminger | bb900b2 | 2011-04-04 14:03:32 +0000 | [diff] [blame] | 1689 | }; |
| 1690 | |
| 1691 | int __init br_netlink_init(void) |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 1692 | { |
Vlad Yasevich | 3ec8e9f | 2013-01-02 09:41:25 +0000 | [diff] [blame] | 1693 | int err; |
| 1694 | |
| 1695 | br_mdb_init(); |
Nikolay Aleksandrov | 8dcea18 | 2020-01-14 19:56:09 +0200 | [diff] [blame] | 1696 | br_vlan_rtnl_init(); |
stephen hemminger | 3678a9d | 2013-12-30 10:41:32 -0800 | [diff] [blame] | 1697 | rtnl_af_register(&br_af_ops); |
Vlad Yasevich | 3ec8e9f | 2013-01-02 09:41:25 +0000 | [diff] [blame] | 1698 | |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 1699 | err = rtnl_link_register(&br_link_ops); |
| 1700 | if (err) |
| 1701 | goto out_af; |
| 1702 | |
Vlad Yasevich | 3ec8e9f | 2013-01-02 09:41:25 +0000 | [diff] [blame] | 1703 | return 0; |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 1704 | |
| 1705 | out_af: |
| 1706 | rtnl_af_unregister(&br_af_ops); |
Vlad Yasevich | 3ec8e9f | 2013-01-02 09:41:25 +0000 | [diff] [blame] | 1707 | br_mdb_uninit(); |
| 1708 | return err; |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 1709 | } |
| 1710 | |
Pablo Neira Ayuso | 34666d4 | 2014-09-18 11:29:03 +0200 | [diff] [blame] | 1711 | void br_netlink_fini(void) |
stephen hemminger | bb900b2 | 2011-04-04 14:03:32 +0000 | [diff] [blame] | 1712 | { |
Vlad Yasevich | 3ec8e9f | 2013-01-02 09:41:25 +0000 | [diff] [blame] | 1713 | br_mdb_uninit(); |
Nikolay Aleksandrov | 8dcea18 | 2020-01-14 19:56:09 +0200 | [diff] [blame] | 1714 | br_vlan_rtnl_uninit(); |
Vlad Yasevich | 6cbdcee | 2013-02-13 12:00:13 +0000 | [diff] [blame] | 1715 | rtnl_af_unregister(&br_af_ops); |
stephen hemminger | bb900b2 | 2011-04-04 14:03:32 +0000 | [diff] [blame] | 1716 | rtnl_link_unregister(&br_link_ops); |
stephen hemminger | bb900b2 | 2011-04-04 14:03:32 +0000 | [diff] [blame] | 1717 | } |