#include <net/cfg80211.h>
#include "core.h"
#include "nl80211.h"
+#include "reg.h"
/* the netlink family */
static struct genl_family nl80211_fam = {
};
/* internal helper: get drv and dev */
-static int get_drv_dev_by_info_ifindex(struct genl_info *info,
+static int get_drv_dev_by_info_ifindex(struct nlattr **attrs,
struct cfg80211_registered_device **drv,
struct net_device **dev)
{
int ifindex;
- if (!info->attrs[NL80211_ATTR_IFINDEX])
+ if (!attrs[NL80211_ATTR_IFINDEX])
return -EINVAL;
- ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
+ ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
*dev = dev_get_by_index(&init_net, ifindex);
if (!*dev)
return -ENODEV;
[NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_MESH_ID_LEN },
[NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
+
+ [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
+ [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
+
+ [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
+ [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
+ [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
+
+ [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY,
+ .len = NL80211_HT_CAPABILITY_LEN },
};
/* message building helper */
struct nlattr *nl_bands, *nl_band;
struct nlattr *nl_freqs, *nl_freq;
struct nlattr *nl_rates, *nl_rate;
+ struct nlattr *nl_modes;
enum ieee80211_band band;
struct ieee80211_channel *chan;
struct ieee80211_rate *rate;
int i;
+ u16 ifmodes = dev->wiphy.interface_modes;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
if (!hdr)
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx);
NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
+ nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
+ if (!nl_modes)
+ goto nla_put_failure;
+
+ i = 0;
+ while (ifmodes) {
+ if (ifmodes & 1)
+ NLA_PUT_FLAG(msg, i);
+ ifmodes >>= 1;
+ i++;
+ }
+
+ nla_nest_end(msg, nl_modes);
+
nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
if (!nl_bands)
goto nla_put_failure;
return genlmsg_end(msg, hdr);
nla_put_failure:
- return genlmsg_cancel(msg, hdr);
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
}
static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
mutex_lock(&cfg80211_drv_mutex);
list_for_each_entry(dev, &cfg80211_drv_list, list) {
- if (++idx < start)
+ if (++idx <= start)
continue;
if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
- dev) < 0)
+ dev) < 0) {
+ idx--;
break;
+ }
}
mutex_unlock(&cfg80211_drv_mutex);
return genlmsg_end(msg, hdr);
nla_put_failure:
- return genlmsg_cancel(msg, hdr);
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
}
static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
mutex_lock(&cfg80211_drv_mutex);
list_for_each_entry(dev, &cfg80211_drv_list, list) {
- if (++wp_idx < wp_start)
+ if (wp_idx < wp_start) {
+ wp_idx++;
continue;
+ }
if_idx = 0;
mutex_lock(&dev->devlist_mtx);
list_for_each_entry(wdev, &dev->netdev_list, list) {
- if (++if_idx < if_start)
+ if (if_idx < if_start) {
+ if_idx++;
continue;
+ }
if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
- wdev->netdev) < 0)
- break;
+ wdev->netdev) < 0) {
+ mutex_unlock(&dev->devlist_mtx);
+ goto out;
+ }
+ if_idx++;
}
mutex_unlock(&dev->devlist_mtx);
+
+ wp_idx++;
}
+ out:
mutex_unlock(&cfg80211_drv_mutex);
cb->args[0] = wp_idx;
struct net_device *netdev;
int err;
- err = get_drv_dev_by_info_ifindex(info, &dev, &netdev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &dev, &netdev);
if (err)
return err;
} else
return -EINVAL;
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
ifindex = dev->ifindex;
dev_put(dev);
- if (!drv->ops->change_virtual_intf) {
+ if (!drv->ops->change_virtual_intf ||
+ !(drv->wiphy.interface_modes & (1 << type))) {
err = -EOPNOTSUPP;
goto unlock;
}
if (IS_ERR(drv))
return PTR_ERR(drv);
- if (!drv->ops->add_virtual_intf) {
+ if (!drv->ops->add_virtual_intf ||
+ !(drv->wiphy.interface_modes & (1 << type))) {
err = -EOPNOTSUPP;
goto unlock;
}
int ifindex, err;
struct net_device *dev;
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
ifindex = dev->ifindex;
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
if (!info->attrs[NL80211_ATTR_KEY_DEFAULT])
return -EINVAL;
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
return -EINVAL;
}
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
struct beacon_parameters params;
int haveinfo = 0;
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
int err;
struct net_device *dev;
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
return genlmsg_end(msg, hdr);
nla_put_failure:
- return genlmsg_cancel(msg, hdr);
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
}
static int nl80211_dump_station(struct sk_buff *skb,
- struct netlink_callback *cb)
+ struct netlink_callback *cb)
{
- int wp_idx = 0;
- int if_idx = 0;
- int sta_idx = cb->args[2];
- int wp_start = cb->args[0];
- int if_start = cb->args[1];
struct station_info sinfo;
struct cfg80211_registered_device *dev;
- struct wireless_dev *wdev;
+ struct net_device *netdev;
u8 mac_addr[ETH_ALEN];
+ int ifidx = cb->args[0];
+ int sta_idx = cb->args[1];
int err;
- int exit = 0;
- /* TODO: filter by device */
- mutex_lock(&cfg80211_drv_mutex);
- list_for_each_entry(dev, &cfg80211_drv_list, list) {
- if (exit)
+ if (!ifidx) {
+ err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (err)
+ return err;
+
+ if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
+ return -EINVAL;
+
+ ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
+ if (!ifidx)
+ return -EINVAL;
+ }
+
+ netdev = dev_get_by_index(&init_net, ifidx);
+ if (!netdev)
+ return -ENODEV;
+
+ dev = cfg80211_get_dev_from_ifindex(ifidx);
+ if (IS_ERR(dev)) {
+ err = PTR_ERR(dev);
+ goto out_put_netdev;
+ }
+
+ if (!dev->ops->dump_station) {
+ err = -ENOSYS;
+ goto out_err;
+ }
+
+ rtnl_lock();
+
+ while (1) {
+ err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx,
+ mac_addr, &sinfo);
+ if (err == -ENOENT)
break;
- if (++wp_idx < wp_start)
- continue;
- if_idx = 0;
+ if (err)
+ goto out_err_rtnl;
- mutex_lock(&dev->devlist_mtx);
- list_for_each_entry(wdev, &dev->netdev_list, list) {
- if (exit)
- break;
- if (++if_idx < if_start)
- continue;
- if (!dev->ops->dump_station)
- continue;
+ if (nl80211_send_station(skb,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ netdev, mac_addr,
+ &sinfo) < 0)
+ goto out;
- for (;; ++sta_idx) {
- rtnl_lock();
- err = dev->ops->dump_station(&dev->wiphy,
- wdev->netdev, sta_idx, mac_addr,
- &sinfo);
- rtnl_unlock();
- if (err) {
- sta_idx = 0;
- break;
- }
- if (nl80211_send_station(skb,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, NLM_F_MULTI,
- wdev->netdev, mac_addr,
- &sinfo) < 0) {
- exit = 1;
- break;
- }
- }
- }
- mutex_unlock(&dev->devlist_mtx);
+ sta_idx++;
}
- mutex_unlock(&cfg80211_drv_mutex);
- cb->args[0] = wp_idx;
- cb->args[1] = if_idx;
- cb->args[2] = sta_idx;
- return skb->len;
+ out:
+ cb->args[1] = sta_idx;
+ err = skb->len;
+ out_err_rtnl:
+ rtnl_unlock();
+ out_err:
+ cfg80211_put_dev(dev);
+ out_put_netdev:
+ dev_put(netdev);
+
+ return err;
}
static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
params.listen_interval =
nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
+ params.ht_capa =
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
+
if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
¶ms.station_flags))
return -EINVAL;
params.plink_action =
nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
params.listen_interval =
nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
- params.listen_interval = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
+ params.ht_capa =
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
¶ms.station_flags))
return -EINVAL;
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
return genlmsg_end(msg, hdr);
nla_put_failure:
- return genlmsg_cancel(msg, hdr);
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
}
static int nl80211_dump_mpath(struct sk_buff *skb,
- struct netlink_callback *cb)
+ struct netlink_callback *cb)
{
- int wp_idx = 0;
- int if_idx = 0;
- int sta_idx = cb->args[2];
- int wp_start = cb->args[0];
- int if_start = cb->args[1];
struct mpath_info pinfo;
struct cfg80211_registered_device *dev;
- struct wireless_dev *wdev;
+ struct net_device *netdev;
u8 dst[ETH_ALEN];
u8 next_hop[ETH_ALEN];
+ int ifidx = cb->args[0];
+ int path_idx = cb->args[1];
int err;
- int exit = 0;
- /* TODO: filter by device */
- mutex_lock(&cfg80211_drv_mutex);
- list_for_each_entry(dev, &cfg80211_drv_list, list) {
- if (exit)
+ if (!ifidx) {
+ err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (err)
+ return err;
+
+ if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
+ return -EINVAL;
+
+ ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
+ if (!ifidx)
+ return -EINVAL;
+ }
+
+ netdev = dev_get_by_index(&init_net, ifidx);
+ if (!netdev)
+ return -ENODEV;
+
+ dev = cfg80211_get_dev_from_ifindex(ifidx);
+ if (IS_ERR(dev)) {
+ err = PTR_ERR(dev);
+ goto out_put_netdev;
+ }
+
+ if (!dev->ops->dump_mpath) {
+ err = -ENOSYS;
+ goto out_err;
+ }
+
+ rtnl_lock();
+
+ while (1) {
+ err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
+ dst, next_hop, &pinfo);
+ if (err == -ENOENT)
break;
- if (++wp_idx < wp_start)
- continue;
- if_idx = 0;
+ if (err)
+ goto out_err_rtnl;
- mutex_lock(&dev->devlist_mtx);
- list_for_each_entry(wdev, &dev->netdev_list, list) {
- if (exit)
- break;
- if (++if_idx < if_start)
- continue;
- if (!dev->ops->dump_mpath)
- continue;
+ if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ netdev, dst, next_hop,
+ &pinfo) < 0)
+ goto out;
- for (;; ++sta_idx) {
- rtnl_lock();
- err = dev->ops->dump_mpath(&dev->wiphy,
- wdev->netdev, sta_idx, dst,
- next_hop, &pinfo);
- rtnl_unlock();
- if (err) {
- sta_idx = 0;
- break;
- }
- if (nl80211_send_mpath(skb,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, NLM_F_MULTI,
- wdev->netdev, dst, next_hop,
- &pinfo) < 0) {
- exit = 1;
- break;
- }
- }
- }
- mutex_unlock(&dev->devlist_mtx);
+ path_idx++;
}
- mutex_unlock(&cfg80211_drv_mutex);
- cb->args[0] = wp_idx;
- cb->args[1] = if_idx;
- cb->args[2] = sta_idx;
- return skb->len;
+ out:
+ cb->args[1] = path_idx;
+ err = skb->len;
+ out_err_rtnl:
+ rtnl_unlock();
+ out_err:
+ cfg80211_put_dev(dev);
+ out_put_netdev:
+ dev_put(netdev);
+
+ return err;
}
static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
if (info->attrs[NL80211_ATTR_MAC])
dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
- err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
return err;
}
+static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *drv;
+ int err;
+ struct net_device *dev;
+ struct bss_parameters params;
+
+ memset(¶ms, 0, sizeof(params));
+ /* default to not changing parameters */
+ params.use_cts_prot = -1;
+ params.use_short_preamble = -1;
+ params.use_short_slot_time = -1;
+
+ if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
+ params.use_cts_prot =
+ nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
+ if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
+ params.use_short_preamble =
+ nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
+ if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
+ params.use_short_slot_time =
+ nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
+
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ if (err)
+ return err;
+
+ if (!drv->ops->change_bss) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ rtnl_lock();
+ err = drv->ops->change_bss(&drv->wiphy, dev, ¶ms);
+ rtnl_unlock();
+
+ out:
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+ return err;
+}
+
+static const struct nla_policy
+ reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
+ [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
+ [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
+ [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
+};
+
+static int parse_reg_rule(struct nlattr *tb[],
+ struct ieee80211_reg_rule *reg_rule)
+{
+ struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
+ struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
+
+ if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_START])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_END])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
+ return -EINVAL;
+
+ reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
+
+ freq_range->start_freq_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
+ freq_range->end_freq_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
+ freq_range->max_bandwidth_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
+
+ power_rule->max_eirp =
+ nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
+
+ if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
+ power_rule->max_antenna_gain =
+ nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
+
+ return 0;
+}
+
+static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
+{
+ int r;
+ char *data = NULL;
+
+ if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
+ return -EINVAL;
+
+ data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
+
+#ifdef CONFIG_WIRELESS_OLD_REGULATORY
+ /* We ignore world regdom requests with the old regdom setup */
+ if (is_world_regdom(data))
+ return -EINVAL;
+#endif
+ mutex_lock(&cfg80211_drv_mutex);
+ r = __regulatory_hint(NULL, REGDOM_SET_BY_USER, data, NULL);
+ mutex_unlock(&cfg80211_drv_mutex);
+ return r;
+}
+
+static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
+ struct nlattr *nl_reg_rule;
+ char *alpha2 = NULL;
+ int rem_reg_rules = 0, r = 0;
+ u32 num_rules = 0, rule_idx = 0, size_of_regd;
+ struct ieee80211_regdomain *rd = NULL;
+
+ if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_REG_RULES])
+ return -EINVAL;
+
+ alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
+
+ nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
+ rem_reg_rules) {
+ num_rules++;
+ if (num_rules > NL80211_MAX_SUPP_REG_RULES)
+ goto bad_reg;
+ }
+
+ if (!reg_is_valid_request(alpha2))
+ return -EINVAL;
+
+ size_of_regd = sizeof(struct ieee80211_regdomain) +
+ (num_rules * sizeof(struct ieee80211_reg_rule));
+
+ rd = kzalloc(size_of_regd, GFP_KERNEL);
+ if (!rd)
+ return -ENOMEM;
+
+ rd->n_reg_rules = num_rules;
+ rd->alpha2[0] = alpha2[0];
+ rd->alpha2[1] = alpha2[1];
+
+ nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
+ rem_reg_rules) {
+ nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
+ nla_data(nl_reg_rule), nla_len(nl_reg_rule),
+ reg_rule_policy);
+ r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
+ if (r)
+ goto bad_reg;
+
+ rule_idx++;
+
+ if (rule_idx > NL80211_MAX_SUPP_REG_RULES)
+ goto bad_reg;
+ }
+
+ BUG_ON(rule_idx != num_rules);
+
+ mutex_lock(&cfg80211_drv_mutex);
+ r = set_regdom(rd);
+ mutex_unlock(&cfg80211_drv_mutex);
+ if (r)
+ goto bad_reg;
+
+ return r;
+
+bad_reg:
+ kfree(rd);
+ return -EINVAL;
+}
+
static struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_GET_WIPHY,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
+ {
+ .cmd = NL80211_CMD_SET_BSS,
+ .doit = nl80211_set_bss,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_SET_REG,
+ .doit = nl80211_set_reg,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_REQ_SET_REG,
+ .doit = nl80211_req_set_reg,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
};
/* multicast groups */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff