diff options
Diffstat (limited to 'net/ieee802154/nl802154.c')
| -rw-r--r-- | net/ieee802154/nl802154.c | 544 |
1 files changed, 515 insertions, 29 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 248ad5e46969..5a024ca60d35 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -187,8 +187,8 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { [NL802154_ATTR_WPAN_DEV] = { .type = NLA_U64 }, - [NL802154_ATTR_PAGE] = { .type = NLA_U8, }, - [NL802154_ATTR_CHANNEL] = { .type = NLA_U8, }, + [NL802154_ATTR_PAGE] = NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_PAGE), + [NL802154_ATTR_CHANNEL] = NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_CHANNEL), [NL802154_ATTR_TX_POWER] = { .type = NLA_S32, }, @@ -221,6 +221,22 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { [NL802154_ATTR_COORDINATOR] = { .type = NLA_NESTED }, + [NL802154_ATTR_SCAN_TYPE] = + NLA_POLICY_RANGE(NLA_U8, NL802154_SCAN_ED, NL802154_SCAN_RIT_PASSIVE), + [NL802154_ATTR_SCAN_CHANNELS] = + NLA_POLICY_MASK(NLA_U32, GENMASK(IEEE802154_MAX_CHANNEL, 0)), + [NL802154_ATTR_SCAN_PREAMBLE_CODES] = { .type = NLA_REJECT }, + [NL802154_ATTR_SCAN_MEAN_PRF] = { .type = NLA_REJECT }, + [NL802154_ATTR_SCAN_DURATION] = + NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_SCAN_DURATION), + [NL802154_ATTR_SCAN_DONE_REASON] = + NLA_POLICY_RANGE(NLA_U8, NL802154_SCAN_DONE_REASON_FINISHED, + NL802154_SCAN_DONE_REASON_ABORTED), + [NL802154_ATTR_BEACON_INTERVAL] = + NLA_POLICY_MAX(NLA_U8, IEEE802154_ACTIVE_SCAN_DURATION), + [NL802154_ATTR_MAX_ASSOCIATIONS] = { .type = NLA_U32 }, + [NL802154_ATTR_PEER] = { .type = NLA_NESTED }, + #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL [NL802154_ATTR_SEC_ENABLED] = { .type = NLA_U8, }, [NL802154_ATTR_SEC_OUT_LEVEL] = { .type = NLA_U32, }, @@ -234,7 +250,6 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ }; -#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL static int nl802154_prepare_wpan_dev_dump(struct sk_buff *skb, struct netlink_callback *cb, @@ -248,7 +263,7 @@ nl802154_prepare_wpan_dev_dump(struct sk_buff *skb, if (!cb->args[0]) { *wpan_dev = __cfg802154_wpan_dev_from_attrs(sock_net(skb->sk), - info->attrs); + info->info.attrs); if (IS_ERR(*wpan_dev)) { err = PTR_ERR(*wpan_dev); goto out_unlock; @@ -293,7 +308,6 @@ nl802154_finish_wpan_dev_dump(struct cfg802154_registered_device *rdev) { rtnl_unlock(); } -#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ /* message building helper */ static inline void *nl802154hdr_put(struct sk_buff *skb, u32 portid, u32 seq, @@ -556,7 +570,7 @@ static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb, struct nl802154_dump_wpan_phy_state *state) { const struct genl_dumpit_info *info = genl_dumpit_info(cb); - struct nlattr **tb = info->attrs; + struct nlattr **tb = info->info.attrs; if (tb[NL802154_ATTR_WPAN_PHY]) state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]); @@ -969,8 +983,7 @@ static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info) channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]); /* check 802.15.4 constraints */ - if (page > IEEE802154_MAX_PAGE || channel > IEEE802154_MAX_CHANNEL || - !(rdev->wpan_phy.supported.channels[page] & BIT(channel))) + if (!ieee802154_chan_is_valid(&rdev->wpan_phy, page, channel)) return -EINVAL; return rdev_set_channel(rdev, page, channel); @@ -1074,15 +1087,14 @@ static int nl802154_set_pan_id(struct sk_buff *skb, struct genl_info *info) pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]); - /* TODO - * I am not sure about to check here on broadcast pan_id. - * Broadcast is a valid setting, comment from 802.15.4: - * If this value is 0xffff, the device is not associated. - * - * This could useful to simple deassociate an device. + /* Only allow changing the PAN ID when the device has no more + * associations ongoing to avoid confusing peers. */ - if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST)) + if (cfg802154_device_is_associated(wpan_dev)) { + NL_SET_ERR_MSG(info->extack, + "Existing associations, changing PAN ID forbidden"); return -EINVAL; + } return rdev_set_pan_id(rdev, wpan_dev, pan_id); } @@ -1110,20 +1122,17 @@ static int nl802154_set_short_addr(struct sk_buff *skb, struct genl_info *info) short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]); - /* TODO - * I am not sure about to check here on broadcast short_addr. - * Broadcast is a valid setting, comment from 802.15.4: - * A value of 0xfffe indicates that the device has - * associated but has not been allocated an address. A - * value of 0xffff indicates that the device does not - * have a short address. - * - * I think we should allow to set these settings but - * don't allow to allow socket communication with it. + /* The short address only has a meaning when part of a PAN, after a + * proper association procedure. However, we want to still offer the + * possibility to create static networks so changing the short address + * is only allowed when not already associated to other devices with + * the official handshake. */ - if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) || - short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST)) + if (cfg802154_device_is_associated(wpan_dev)) { + NL_SET_ERR_MSG(info->extack, + "Existing associations, changing short address forbidden"); return -EINVAL; + } return rdev_set_short_addr(rdev, wpan_dev, short_addr); } @@ -1384,6 +1393,424 @@ int nl802154_scan_event(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, } EXPORT_SYMBOL_GPL(nl802154_scan_event); +static int nl802154_trigger_scan(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wpan_dev *wpan_dev = dev->ieee802154_ptr; + struct wpan_phy *wpan_phy = &rdev->wpan_phy; + struct cfg802154_scan_request *request; + u8 type; + int err; + + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) { + NL_SET_ERR_MSG(info->extack, "Monitors are not allowed to perform scans"); + return -EOPNOTSUPP; + } + + if (!info->attrs[NL802154_ATTR_SCAN_TYPE]) { + NL_SET_ERR_MSG(info->extack, "Malformed request, missing scan type"); + return -EINVAL; + } + + if (wpan_phy->flags & WPAN_PHY_FLAG_DATAGRAMS_ONLY) { + NL_SET_ERR_MSG(info->extack, "PHY only supports datagrams"); + return -EOPNOTSUPP; + } + + request = kzalloc(sizeof(*request), GFP_KERNEL); + if (!request) + return -ENOMEM; + + request->wpan_dev = wpan_dev; + request->wpan_phy = wpan_phy; + + type = nla_get_u8(info->attrs[NL802154_ATTR_SCAN_TYPE]); + switch (type) { + case NL802154_SCAN_ACTIVE: + case NL802154_SCAN_PASSIVE: + request->type = type; + break; + default: + NL_SET_ERR_MSG_FMT(info->extack, "Unsupported scan type: %d", type); + err = -EINVAL; + goto free_request; + } + + /* Use current page by default */ + request->page = nla_get_u8_default(info->attrs[NL802154_ATTR_PAGE], + wpan_phy->current_page); + + /* Scan all supported channels by default */ + request->channels = + nla_get_u32_default(info->attrs[NL802154_ATTR_SCAN_CHANNELS], + wpan_phy->supported.channels[request->page]); + + /* Use maximum duration order by default */ + request->duration = + nla_get_u8_default(info->attrs[NL802154_ATTR_SCAN_DURATION], + IEEE802154_MAX_SCAN_DURATION); + + err = rdev_trigger_scan(rdev, request); + if (err) { + pr_err("Failure starting scanning (%d)\n", err); + goto free_request; + } + + return 0; + +free_request: + kfree(request); + + return err; +} + +static int nl802154_prep_scan_msg(struct sk_buff *msg, + struct cfg802154_registered_device *rdev, + struct wpan_dev *wpan_dev, u32 portid, + u32 seq, int flags, u8 cmd, u8 arg) +{ + void *hdr; + + hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); + if (!hdr) + return -ENOBUFS; + + if (nla_put_u32(msg, NL802154_ATTR_WPAN_PHY, rdev->wpan_phy_idx)) + goto nla_put_failure; + + if (wpan_dev->netdev && + nla_put_u32(msg, NL802154_ATTR_IFINDEX, wpan_dev->netdev->ifindex)) + goto nla_put_failure; + + if (nla_put_u64_64bit(msg, NL802154_ATTR_WPAN_DEV, + wpan_dev_id(wpan_dev), NL802154_ATTR_PAD)) + goto nla_put_failure; + + if (cmd == NL802154_CMD_SCAN_DONE && + nla_put_u8(msg, NL802154_ATTR_SCAN_DONE_REASON, arg)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + return 0; + +nla_put_failure: + genlmsg_cancel(msg, hdr); + + return -EMSGSIZE; +} + +static int nl802154_send_scan_msg(struct cfg802154_registered_device *rdev, + struct wpan_dev *wpan_dev, u8 cmd, u8 arg) +{ + struct sk_buff *msg; + int ret; + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + ret = nl802154_prep_scan_msg(msg, rdev, wpan_dev, 0, 0, 0, cmd, arg); + if (ret < 0) { + nlmsg_free(msg); + return ret; + } + + return genlmsg_multicast_netns(&nl802154_fam, + wpan_phy_net(&rdev->wpan_phy), msg, 0, + NL802154_MCGRP_SCAN, GFP_KERNEL); +} + +int nl802154_scan_started(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) +{ + struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(wpan_phy); + int err; + + /* Ignore errors when there are no listeners */ + err = nl802154_send_scan_msg(rdev, wpan_dev, NL802154_CMD_TRIGGER_SCAN, 0); + if (err == -ESRCH) + err = 0; + + return err; +} +EXPORT_SYMBOL_GPL(nl802154_scan_started); + +int nl802154_scan_done(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, + enum nl802154_scan_done_reasons reason) +{ + struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(wpan_phy); + int err; + + /* Ignore errors when there are no listeners */ + err = nl802154_send_scan_msg(rdev, wpan_dev, NL802154_CMD_SCAN_DONE, reason); + if (err == -ESRCH) + err = 0; + + return err; +} +EXPORT_SYMBOL_GPL(nl802154_scan_done); + +static int nl802154_abort_scan(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wpan_dev *wpan_dev = dev->ieee802154_ptr; + + /* Resources are released in the notification helper above */ + return rdev_abort_scan(rdev, wpan_dev); +} + +static int +nl802154_send_beacons(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wpan_dev *wpan_dev = dev->ieee802154_ptr; + struct wpan_phy *wpan_phy = &rdev->wpan_phy; + struct cfg802154_beacon_request *request; + int err; + + if (wpan_dev->iftype != NL802154_IFTYPE_COORD) { + NL_SET_ERR_MSG(info->extack, "Only coordinators can send beacons"); + return -EOPNOTSUPP; + } + + if (wpan_dev->pan_id == cpu_to_le16(IEEE802154_PANID_BROADCAST)) { + NL_SET_ERR_MSG(info->extack, "Device is not part of any PAN"); + return -EPERM; + } + + if (wpan_phy->flags & WPAN_PHY_FLAG_DATAGRAMS_ONLY) { + NL_SET_ERR_MSG(info->extack, "PHY only supports datagrams"); + return -EOPNOTSUPP; + } + + request = kzalloc(sizeof(*request), GFP_KERNEL); + if (!request) + return -ENOMEM; + + request->wpan_dev = wpan_dev; + request->wpan_phy = wpan_phy; + + /* Use maximum duration order by default */ + request->interval = nla_get_u8_default(info->attrs[NL802154_ATTR_BEACON_INTERVAL], + IEEE802154_MAX_SCAN_DURATION); + + err = rdev_send_beacons(rdev, request); + if (err) { + pr_err("Failure starting sending beacons (%d)\n", err); + goto free_request; + } + + return 0; + +free_request: + kfree(request); + + return err; +} + +void nl802154_beaconing_done(struct wpan_dev *wpan_dev) +{ + /* NOP */ +} +EXPORT_SYMBOL_GPL(nl802154_beaconing_done); + +static int +nl802154_stop_beacons(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wpan_dev *wpan_dev = dev->ieee802154_ptr; + + /* Resources are released in the notification helper above */ + return rdev_stop_beacons(rdev, wpan_dev); +} + +static int nl802154_associate(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wpan_dev *wpan_dev; + struct wpan_phy *wpan_phy; + struct ieee802154_addr coord; + int err; + + wpan_dev = dev->ieee802154_ptr; + wpan_phy = &rdev->wpan_phy; + + if (wpan_phy->flags & WPAN_PHY_FLAG_DATAGRAMS_ONLY) { + NL_SET_ERR_MSG(info->extack, "PHY only supports datagrams"); + return -EOPNOTSUPP; + } + + if (!info->attrs[NL802154_ATTR_PAN_ID] || + !info->attrs[NL802154_ATTR_EXTENDED_ADDR]) + return -EINVAL; + + coord.pan_id = nla_get_le16(info->attrs[NL802154_ATTR_PAN_ID]); + coord.mode = IEEE802154_ADDR_LONG; + coord.extended_addr = nla_get_le64(info->attrs[NL802154_ATTR_EXTENDED_ADDR]); + + mutex_lock(&wpan_dev->association_lock); + err = rdev_associate(rdev, wpan_dev, &coord); + mutex_unlock(&wpan_dev->association_lock); + if (err) + pr_err("Association with PAN ID 0x%x failed (%d)\n", + le16_to_cpu(coord.pan_id), err); + + return err; +} + +static int nl802154_disassociate(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wpan_dev *wpan_dev = dev->ieee802154_ptr; + struct wpan_phy *wpan_phy = &rdev->wpan_phy; + struct ieee802154_addr target; + + if (wpan_phy->flags & WPAN_PHY_FLAG_DATAGRAMS_ONLY) { + NL_SET_ERR_MSG(info->extack, "PHY only supports datagrams"); + return -EOPNOTSUPP; + } + + target.pan_id = wpan_dev->pan_id; + + if (info->attrs[NL802154_ATTR_EXTENDED_ADDR]) { + target.mode = IEEE802154_ADDR_LONG; + target.extended_addr = nla_get_le64(info->attrs[NL802154_ATTR_EXTENDED_ADDR]); + } else if (info->attrs[NL802154_ATTR_SHORT_ADDR]) { + target.mode = IEEE802154_ADDR_SHORT; + target.short_addr = nla_get_le16(info->attrs[NL802154_ATTR_SHORT_ADDR]); + } else { + NL_SET_ERR_MSG(info->extack, "Device address is missing"); + return -EINVAL; + } + + mutex_lock(&wpan_dev->association_lock); + rdev_disassociate(rdev, wpan_dev, &target); + mutex_unlock(&wpan_dev->association_lock); + + return 0; +} + +static int nl802154_set_max_associations(struct sk_buff *skb, struct genl_info *info) +{ + struct net_device *dev = info->user_ptr[1]; + struct wpan_dev *wpan_dev = dev->ieee802154_ptr; + unsigned int max_assoc; + + if (!info->attrs[NL802154_ATTR_MAX_ASSOCIATIONS]) { + NL_SET_ERR_MSG(info->extack, "No maximum number of association given"); + return -EINVAL; + } + + max_assoc = nla_get_u32(info->attrs[NL802154_ATTR_MAX_ASSOCIATIONS]); + + mutex_lock(&wpan_dev->association_lock); + cfg802154_set_max_associations(wpan_dev, max_assoc); + mutex_unlock(&wpan_dev->association_lock); + + return 0; +} + +static int nl802154_send_peer_info(struct sk_buff *msg, + struct netlink_callback *cb, + u32 seq, int flags, + struct cfg802154_registered_device *rdev, + struct wpan_dev *wpan_dev, + struct ieee802154_pan_device *peer, + enum nl802154_peer_type type) +{ + struct nlattr *nla; + void *hdr; + + ASSERT_RTNL(); + + hdr = nl802154hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, + NL802154_CMD_LIST_ASSOCIATIONS); + if (!hdr) + return -ENOBUFS; + + genl_dump_check_consistent(cb, hdr); + + nla = nla_nest_start_noflag(msg, NL802154_ATTR_PEER); + if (!nla) + goto nla_put_failure; + + if (nla_put_u8(msg, NL802154_DEV_ADDR_ATTR_PEER_TYPE, type)) + goto nla_put_failure; + + if (nla_put_u8(msg, NL802154_DEV_ADDR_ATTR_MODE, peer->mode)) + goto nla_put_failure; + + if (nla_put(msg, NL802154_DEV_ADDR_ATTR_SHORT, + IEEE802154_SHORT_ADDR_LEN, &peer->short_addr)) + goto nla_put_failure; + + if (nla_put(msg, NL802154_DEV_ADDR_ATTR_EXTENDED, + IEEE802154_EXTENDED_ADDR_LEN, &peer->extended_addr)) + goto nla_put_failure; + + nla_nest_end(msg, nla); + + genlmsg_end(msg, hdr); + + return 0; + + nla_put_failure: + genlmsg_cancel(msg, hdr); + return -EMSGSIZE; +} + +static int nl802154_list_associations(struct sk_buff *skb, + struct netlink_callback *cb) +{ + struct cfg802154_registered_device *rdev; + struct ieee802154_pan_device *child; + struct wpan_dev *wpan_dev; + int err; + + err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev); + if (err) + return err; + + mutex_lock(&wpan_dev->association_lock); + + if (cb->args[2]) + goto out; + + if (wpan_dev->parent) { + err = nl802154_send_peer_info(skb, cb, cb->nlh->nlmsg_seq, + NLM_F_MULTI, rdev, wpan_dev, + wpan_dev->parent, + NL802154_PEER_TYPE_PARENT); + if (err < 0) + goto out_err; + } + + list_for_each_entry(child, &wpan_dev->children, node) { + err = nl802154_send_peer_info(skb, cb, cb->nlh->nlmsg_seq, + NLM_F_MULTI, rdev, wpan_dev, + child, + NL802154_PEER_TYPE_CHILD); + if (err < 0) + goto out_err; + } + + cb->args[2] = 1; +out: + err = skb->len; +out_err: + mutex_unlock(&wpan_dev->association_lock); + + nl802154_finish_wpan_dev_dump(rdev); + + return err; +} + #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL static const struct nla_policy nl802154_dev_addr_policy[NL802154_DEV_ADDR_ATTR_MAX + 1] = { [NL802154_DEV_ADDR_ATTR_PAN_ID] = { .type = NLA_U16 }, @@ -2245,8 +2672,7 @@ static int nl802154_del_llsec_seclevel(struct sk_buff *skb, if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) return -EOPNOTSUPP; - if (!info->attrs[NL802154_ATTR_SEC_LEVEL] || - llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], + if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], &sl) < 0) return -EINVAL; @@ -2474,6 +2900,66 @@ static const struct genl_ops nl802154_ops[] = { .internal_flags = NL802154_FLAG_NEED_NETDEV | NL802154_FLAG_NEED_RTNL, }, + { + .cmd = NL802154_CMD_TRIGGER_SCAN, + .doit = nl802154_trigger_scan, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_NETDEV | + NL802154_FLAG_CHECK_NETDEV_UP | + NL802154_FLAG_NEED_RTNL, + }, + { + .cmd = NL802154_CMD_ABORT_SCAN, + .doit = nl802154_abort_scan, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_NETDEV | + NL802154_FLAG_CHECK_NETDEV_UP | + NL802154_FLAG_NEED_RTNL, + }, + { + .cmd = NL802154_CMD_SEND_BEACONS, + .doit = nl802154_send_beacons, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_NETDEV | + NL802154_FLAG_CHECK_NETDEV_UP | + NL802154_FLAG_NEED_RTNL, + }, + { + .cmd = NL802154_CMD_STOP_BEACONS, + .doit = nl802154_stop_beacons, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_NETDEV | + NL802154_FLAG_CHECK_NETDEV_UP | + NL802154_FLAG_NEED_RTNL, + }, + { + .cmd = NL802154_CMD_ASSOCIATE, + .doit = nl802154_associate, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_NETDEV | + NL802154_FLAG_CHECK_NETDEV_UP | + NL802154_FLAG_NEED_RTNL, + }, + { + .cmd = NL802154_CMD_DISASSOCIATE, + .doit = nl802154_disassociate, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_NETDEV | + NL802154_FLAG_CHECK_NETDEV_UP | + NL802154_FLAG_NEED_RTNL, + }, + { + .cmd = NL802154_CMD_SET_MAX_ASSOCIATIONS, + .doit = nl802154_set_max_associations, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_NETDEV | + NL802154_FLAG_NEED_RTNL, + }, + { + .cmd = NL802154_CMD_LIST_ASSOCIATIONS, + .dumpit = nl802154_list_associations, + /* can be retrieved by unprivileged users */ + }, #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL { .cmd = NL802154_CMD_SET_SEC_PARAMS, |
