#include <linux/rtnetlink.h>
#include <linux/netlink.h>
#include <linux/etherdevice.h>
+#include <net/net_namespace.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
+#include <net/sock.h>
#include "core.h"
#include "nl80211.h"
#include "reg.h"
.hdrsize = 0, /* no private header */
.version = 1, /* no particular meaning now */
.maxattr = NL80211_ATTR_MAX,
+ .netnsok = true,
};
-/* internal helper: get drv and dev */
-static int get_drv_dev_by_info_ifindex(struct nlattr **attrs,
- struct cfg80211_registered_device **drv,
+/* internal helper: get rdev and dev */
+static int get_rdev_dev_by_info_ifindex(struct genl_info *info,
+ struct cfg80211_registered_device **rdev,
struct net_device **dev)
{
+ struct nlattr **attrs = info->attrs;
int ifindex;
if (!attrs[NL80211_ATTR_IFINDEX])
return -EINVAL;
ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
- *dev = dev_get_by_index(&init_net, ifindex);
+ *dev = dev_get_by_index(genl_info_net(info), ifindex);
if (!*dev)
return -ENODEV;
- *drv = cfg80211_get_dev_from_ifindex(ifindex);
- if (IS_ERR(*drv)) {
+ *rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex);
+ if (IS_ERR(*rdev)) {
dev_put(*dev);
- return PTR_ERR(*drv);
+ return PTR_ERR(*rdev);
}
return 0;
}
/* policy for the attributes */
-static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
+static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
- .len = BUS_ID_SIZE-1 },
+ .len = 20-1 },
[NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
[NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
[NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
[NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
[NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
[NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN },
+ [NL80211_ATTR_PREV_BSSID] = { .type = NLA_BINARY, .len = ETH_ALEN },
+ [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
[NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
.len = WLAN_MAX_KEY_LEN },
[NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
[NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
[NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 },
[NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
[NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
.len = sizeof(struct nl80211_sta_flag_update),
},
[NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
+ [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
+ [NL80211_ATTR_PID] = { .type = NLA_U32 },
+ [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
+ [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
+ .len = WLAN_PMKID_LEN },
+ [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
+ [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
+ [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
};
+/* policy for the attributes */
+static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
+ [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
+ [NL80211_KEY_IDX] = { .type = NLA_U8 },
+ [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
+ [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 },
+ [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
+ [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
+};
+
+/* ifidx get helper */
+static int nl80211_get_ifidx(struct netlink_callback *cb)
+{
+ int res;
+
+ res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (res)
+ return res;
+
+ if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
+ return -EINVAL;
+
+ res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
+ if (!res)
+ return -EINVAL;
+ return res;
+}
+
/* IE validation */
static bool is_valid_ie_attr(const struct nlattr *attr)
{
/* netlink command implementations */
+struct key_parse {
+ struct key_params p;
+ int idx;
+ bool def, defmgmt;
+};
+
+static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
+{
+ struct nlattr *tb[NL80211_KEY_MAX + 1];
+ int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
+ nl80211_key_policy);
+ if (err)
+ return err;
+
+ k->def = !!tb[NL80211_KEY_DEFAULT];
+ k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
+
+ if (tb[NL80211_KEY_IDX])
+ k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
+
+ if (tb[NL80211_KEY_DATA]) {
+ k->p.key = nla_data(tb[NL80211_KEY_DATA]);
+ k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
+ }
+
+ if (tb[NL80211_KEY_SEQ]) {
+ k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
+ k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
+ }
+
+ if (tb[NL80211_KEY_CIPHER])
+ k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
+
+ return 0;
+}
+
+static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
+{
+ if (info->attrs[NL80211_ATTR_KEY_DATA]) {
+ k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
+ k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
+ }
+
+ if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
+ k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
+ k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
+ }
+
+ if (info->attrs[NL80211_ATTR_KEY_IDX])
+ k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
+
+ if (info->attrs[NL80211_ATTR_KEY_CIPHER])
+ k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
+
+ k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
+ k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
+
+ return 0;
+}
+
+static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
+{
+ int err;
+
+ memset(k, 0, sizeof(*k));
+ k->idx = -1;
+
+ if (info->attrs[NL80211_ATTR_KEY])
+ err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
+ else
+ err = nl80211_parse_key_old(info, k);
+
+ if (err)
+ return err;
+
+ if (k->def && k->defmgmt)
+ return -EINVAL;
+
+ if (k->idx != -1) {
+ if (k->defmgmt) {
+ if (k->idx < 4 || k->idx > 5)
+ return -EINVAL;
+ } else if (k->def) {
+ if (k->idx < 0 || k->idx > 3)
+ return -EINVAL;
+ } else {
+ if (k->idx < 0 || k->idx > 5)
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static struct cfg80211_cached_keys *
+nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
+ struct nlattr *keys)
+{
+ struct key_parse parse;
+ struct nlattr *key;
+ struct cfg80211_cached_keys *result;
+ int rem, err, def = 0;
+
+ result = kzalloc(sizeof(*result), GFP_KERNEL);
+ if (!result)
+ return ERR_PTR(-ENOMEM);
+
+ result->def = -1;
+ result->defmgmt = -1;
+
+ nla_for_each_nested(key, keys, rem) {
+ memset(&parse, 0, sizeof(parse));
+ parse.idx = -1;
+
+ err = nl80211_parse_key_new(key, &parse);
+ if (err)
+ goto error;
+ err = -EINVAL;
+ if (!parse.p.key)
+ goto error;
+ if (parse.idx < 0 || parse.idx > 4)
+ goto error;
+ if (parse.def) {
+ if (def)
+ goto error;
+ def = 1;
+ result->def = parse.idx;
+ } else if (parse.defmgmt)
+ goto error;
+ err = cfg80211_validate_key_settings(rdev, &parse.p,
+ parse.idx, NULL);
+ if (err)
+ goto error;
+ result->params[parse.idx].cipher = parse.p.cipher;
+ result->params[parse.idx].key_len = parse.p.key_len;
+ result->params[parse.idx].key = result->data[parse.idx];
+ memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
+ }
+
+ return result;
+ error:
+ kfree(result);
+ return ERR_PTR(err);
+}
+
+static int nl80211_key_allowed(struct wireless_dev *wdev)
+{
+ ASSERT_WDEV_LOCK(wdev);
+
+ if (!netif_running(wdev->netdev))
+ return -ENETDOWN;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ if (!wdev->current_bss)
+ return -ENOLINK;
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (wdev->sme_state != CFG80211_SME_CONNECTED)
+ return -ENOLINK;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct cfg80211_registered_device *dev)
{
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx);
NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION,
+ cfg80211_rdev_list_generation);
+
NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
dev->wiphy.retry_short);
NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
dev->wiphy.frag_threshold);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
dev->wiphy.rts_threshold);
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
+ dev->wiphy.coverage_class);
NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
dev->wiphy.max_scan_ssids);
sizeof(u32) * dev->wiphy.n_cipher_suites,
dev->wiphy.cipher_suites);
+ NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
+ dev->wiphy.max_num_pmkids);
+
nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
if (!nl_modes)
goto nla_put_failure;
CMD(deauth, DEAUTHENTICATE);
CMD(disassoc, DISASSOCIATE);
CMD(join_ibss, JOIN_IBSS);
+ CMD(set_pmksa, SET_PMKSA);
+ CMD(del_pmksa, DEL_PMKSA);
+ CMD(flush_pmksa, FLUSH_PMKSA);
+ CMD(remain_on_channel, REMAIN_ON_CHANNEL);
+ CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
+ if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
+ }
#undef CMD
+
+ if (dev->ops->connect || dev->ops->auth) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT);
+ }
+
+ if (dev->ops->disconnect || dev->ops->deauth) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT);
+ }
+
nla_nest_end(msg, nl_cmds);
return genlmsg_end(msg, hdr);
struct cfg80211_registered_device *dev;
mutex_lock(&cfg80211_mutex);
- list_for_each_entry(dev, &cfg80211_drv_list, list) {
+ list_for_each_entry(dev, &cfg80211_rdev_list, list) {
+ if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
+ continue;
if (++idx <= start)
continue;
if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0)
goto out_free;
- cfg80211_put_dev(dev);
+ cfg80211_unlock_rdev(dev);
- return genlmsg_unicast(msg, info->snd_pid);
+ return genlmsg_reply(msg, info);
out_free:
nlmsg_free(msg);
out_err:
- cfg80211_put_dev(dev);
+ cfg80211_unlock_rdev(dev);
return -ENOBUFS;
}
u32 changed;
u8 retry_short = 0, retry_long = 0;
u32 frag_threshold = 0, rts_threshold = 0;
+ u8 coverage_class = 0;
rtnl_lock();
mutex_lock(&cfg80211_mutex);
- rdev = __cfg80211_drv_from_info(info);
+ rdev = __cfg80211_rdev_from_info(info);
if (IS_ERR(rdev)) {
+ mutex_unlock(&cfg80211_mutex);
result = PTR_ERR(rdev);
goto unlock;
}
if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
- struct ieee80211_channel *chan;
- struct ieee80211_sta_ht_cap *ht_cap;
- u32 freq, sec_freq;
-
- if (!rdev->ops->set_channel) {
- result = -EOPNOTSUPP;
- goto bad_res;
- }
+ u32 freq;
result = -EINVAL;
}
freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
- chan = ieee80211_get_channel(&rdev->wiphy, freq);
-
- /* Primary channel not allowed */
- if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
- goto bad_res;
-
- if (channel_type == NL80211_CHAN_HT40MINUS)
- sec_freq = freq - 20;
- else if (channel_type == NL80211_CHAN_HT40PLUS)
- sec_freq = freq + 20;
- else
- sec_freq = 0;
-
- ht_cap = &rdev->wiphy.bands[chan->band]->ht_cap;
-
- /* no HT capabilities */
- if (channel_type != NL80211_CHAN_NO_HT &&
- !ht_cap->ht_supported)
- goto bad_res;
-
- if (sec_freq) {
- struct ieee80211_channel *schan;
-
- /* no 40 MHz capabilities */
- if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
- (ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT))
- goto bad_res;
- schan = ieee80211_get_channel(&rdev->wiphy, sec_freq);
-
- /* Secondary channel not allowed */
- if (!schan || schan->flags & IEEE80211_CHAN_DISABLED)
- goto bad_res;
- }
-
- result = rdev->ops->set_channel(&rdev->wiphy, chan,
- channel_type);
+ mutex_lock(&rdev->devlist_mtx);
+ result = rdev_set_freq(rdev, NULL, freq, channel_type);
+ mutex_unlock(&rdev->devlist_mtx);
if (result)
goto bad_res;
}
changed |= WIPHY_PARAM_RTS_THRESHOLD;
}
+ if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
+ coverage_class = nla_get_u8(
+ info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
+ changed |= WIPHY_PARAM_COVERAGE_CLASS;
+ }
+
if (changed) {
u8 old_retry_short, old_retry_long;
u32 old_frag_threshold, old_rts_threshold;
+ u8 old_coverage_class;
if (!rdev->ops->set_wiphy_params) {
result = -EOPNOTSUPP;
old_retry_long = rdev->wiphy.retry_long;
old_frag_threshold = rdev->wiphy.frag_threshold;
old_rts_threshold = rdev->wiphy.rts_threshold;
+ old_coverage_class = rdev->wiphy.coverage_class;
if (changed & WIPHY_PARAM_RETRY_SHORT)
rdev->wiphy.retry_short = retry_short;
rdev->wiphy.frag_threshold = frag_threshold;
if (changed & WIPHY_PARAM_RTS_THRESHOLD)
rdev->wiphy.rts_threshold = rts_threshold;
+ if (changed & WIPHY_PARAM_COVERAGE_CLASS)
+ rdev->wiphy.coverage_class = coverage_class;
result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed);
if (result) {
rdev->wiphy.retry_long = old_retry_long;
rdev->wiphy.frag_threshold = old_frag_threshold;
rdev->wiphy.rts_threshold = old_rts_threshold;
+ rdev->wiphy.coverage_class = old_coverage_class;
}
}
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION,
+ rdev->devlist_generation ^
+ (cfg80211_rdev_list_generation << 2));
+
return genlmsg_end(msg, hdr);
nla_put_failure:
int if_idx = 0;
int wp_start = cb->args[0];
int if_start = cb->args[1];
- struct cfg80211_registered_device *dev;
+ struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
mutex_lock(&cfg80211_mutex);
- list_for_each_entry(dev, &cfg80211_drv_list, list) {
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
+ continue;
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) {
+ mutex_lock(&rdev->devlist_mtx);
+ list_for_each_entry(wdev, &rdev->netdev_list, list) {
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,
- dev, wdev->netdev) < 0) {
- mutex_unlock(&dev->devlist_mtx);
+ rdev, wdev->netdev) < 0) {
+ mutex_unlock(&rdev->devlist_mtx);
goto out;
}
if_idx++;
}
- mutex_unlock(&dev->devlist_mtx);
+ mutex_unlock(&rdev->devlist_mtx);
wp_idx++;
}
struct net_device *netdev;
int err;
- err = get_drv_dev_by_info_ifindex(info->attrs, &dev, &netdev);
+ err = get_rdev_dev_by_info_ifindex(info, &dev, &netdev);
if (err)
return err;
goto out_free;
dev_put(netdev);
- cfg80211_put_dev(dev);
+ cfg80211_unlock_rdev(dev);
- return genlmsg_unicast(msg, info->snd_pid);
+ return genlmsg_reply(msg, info);
out_free:
nlmsg_free(msg);
out_err:
dev_put(netdev);
- cfg80211_put_dev(dev);
+ cfg80211_unlock_rdev(dev);
return -ENOBUFS;
}
return 0;
}
+static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u8 use_4addr,
+ enum nl80211_iftype iftype)
+{
+ if (!use_4addr) {
+ if (netdev && netdev->br_port)
+ return -EBUSY;
+ return 0;
+ }
+
+ switch (iftype) {
+ case NL80211_IFTYPE_AP_VLAN:
+ if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
+ return 0;
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
+ return 0;
+ break;
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct vif_params params;
- int err, ifindex;
+ int err;
enum nl80211_iftype otype, ntype;
struct net_device *dev;
u32 _flags, *flags = NULL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- ifindex = dev->ifindex;
otype = ntype = dev->ieee80211_ptr->iftype;
- dev_put(dev);
if (info->attrs[NL80211_ATTR_IFTYPE]) {
ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
}
}
- if (!drv->ops->change_virtual_intf ||
- !(drv->wiphy.interface_modes & (1 << ntype))) {
- err = -EOPNOTSUPP;
- goto unlock;
- }
-
if (info->attrs[NL80211_ATTR_MESH_ID]) {
if (ntype != NL80211_IFTYPE_MESH_POINT) {
err = -EINVAL;
change = true;
}
+ if (info->attrs[NL80211_ATTR_4ADDR]) {
+ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+ change = true;
+ err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
+ if (err)
+ goto unlock;
+ } else {
+ params.use_4addr = -1;
+ }
+
if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
if (ntype != NL80211_IFTYPE_MONITOR) {
err = -EINVAL;
}
if (change)
- err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
- ntype, flags, ¶ms);
+ err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
else
err = 0;
- dev = __dev_get_by_index(&init_net, ifindex);
- WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != ntype));
-
- if (dev && !err && (ntype != otype)) {
- if (otype == NL80211_IFTYPE_ADHOC)
- cfg80211_clear_ibss(dev, false);
- }
+ if (!err && params.use_4addr != -1)
+ dev->ieee80211_ptr->use_4addr = params.use_4addr;
unlock:
- cfg80211_put_dev(drv);
+ dev_put(dev);
+ cfg80211_unlock_rdev(rdev);
unlock_rtnl:
rtnl_unlock();
return err;
static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct vif_params params;
int err;
enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
rtnl_lock();
- drv = cfg80211_get_dev_from_info(info);
- if (IS_ERR(drv)) {
- err = PTR_ERR(drv);
+ rdev = cfg80211_get_dev_from_info(info);
+ if (IS_ERR(rdev)) {
+ err = PTR_ERR(rdev);
goto unlock_rtnl;
}
- if (!drv->ops->add_virtual_intf ||
- !(drv->wiphy.interface_modes & (1 << type))) {
+ if (!rdev->ops->add_virtual_intf ||
+ !(rdev->wiphy.interface_modes & (1 << type))) {
err = -EOPNOTSUPP;
goto unlock;
}
params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
}
+ if (info->attrs[NL80211_ATTR_4ADDR]) {
+ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+ err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
+ if (err)
+ goto unlock;
+ }
+
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags);
- err = drv->ops->add_virtual_intf(&drv->wiphy,
+ err = rdev->ops->add_virtual_intf(&rdev->wiphy,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
type, err ? NULL : &flags, ¶ms);
unlock:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
unlock_rtnl:
rtnl_unlock();
return err;
static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
- int ifindex, err;
+ struct cfg80211_registered_device *rdev;
+ int err;
struct net_device *dev;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- ifindex = dev->ifindex;
- dev_put(dev);
- if (!drv->ops->del_virtual_intf) {
+ if (!rdev->ops->del_virtual_intf) {
err = -EOPNOTSUPP;
goto out;
}
- err = drv->ops->del_virtual_intf(&drv->wiphy, ifindex);
+ err = rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
unlock_rtnl:
rtnl_unlock();
return err;
struct get_key_cookie {
struct sk_buff *msg;
int error;
+ int idx;
};
static void get_key_callback(void *c, struct key_params *params)
{
+ struct nlattr *key;
struct get_key_cookie *cookie = c;
if (params->key)
NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
params->cipher);
+ key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
+ if (!key)
+ goto nla_put_failure;
+
+ if (params->key)
+ NLA_PUT(cookie->msg, NL80211_KEY_DATA,
+ params->key_len, params->key);
+
+ if (params->seq)
+ NLA_PUT(cookie->msg, NL80211_KEY_SEQ,
+ params->seq_len, params->seq);
+
+ if (params->cipher)
+ NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER,
+ params->cipher);
+
+ NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx);
+
+ nla_nest_end(cookie->msg, key);
+
return;
nla_put_failure:
cookie->error = 1;
static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
u8 key_idx = 0;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->get_key) {
+ if (!rdev->ops->get_key) {
err = -EOPNOTSUPP;
goto out;
}
if (IS_ERR(hdr)) {
err = PTR_ERR(hdr);
- goto out;
+ goto free_msg;
}
cookie.msg = msg;
+ cookie.idx = key_idx;
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
if (mac_addr)
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
- err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr,
+ err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, mac_addr,
&cookie, get_key_callback);
if (err)
- goto out;
+ goto free_msg;
if (cookie.error)
goto nla_put_failure;
genlmsg_end(msg, hdr);
- err = genlmsg_unicast(msg, info->snd_pid);
+ err = genlmsg_reply(msg, info);
goto out;
nla_put_failure:
err = -ENOBUFS;
+ free_msg:
nlmsg_free(msg);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
+ struct key_parse key;
int err;
struct net_device *dev;
- u8 key_idx;
int (*func)(struct wiphy *wiphy, struct net_device *netdev,
u8 key_index);
- if (!info->attrs[NL80211_ATTR_KEY_IDX])
- return -EINVAL;
-
- key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
+ err = nl80211_parse_key(info, &key);
+ if (err)
+ return err;
- if (info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]) {
- if (key_idx < 4 || key_idx > 5)
- return -EINVAL;
- } else if (key_idx > 3)
+ if (key.idx < 0)
return -EINVAL;
- /* currently only support setting default key */
- if (!info->attrs[NL80211_ATTR_KEY_DEFAULT] &&
- !info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT])
+ /* only support setting default key */
+ if (!key.def && !key.defmgmt)
return -EINVAL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (info->attrs[NL80211_ATTR_KEY_DEFAULT])
- func = drv->ops->set_default_key;
+ if (key.def)
+ func = rdev->ops->set_default_key;
else
- func = drv->ops->set_default_mgmt_key;
+ func = rdev->ops->set_default_mgmt_key;
if (!func) {
err = -EOPNOTSUPP;
goto out;
}
- err = func(&drv->wiphy, dev, key_idx);
-#ifdef CONFIG_WIRELESS_EXT
+ wdev_lock(dev->ieee80211_ptr);
+ err = nl80211_key_allowed(dev->ieee80211_ptr);
+ if (!err)
+ err = func(&rdev->wiphy, dev, key.idx);
+
+#ifdef CONFIG_CFG80211_WEXT
if (!err) {
- if (func == drv->ops->set_default_key)
- dev->ieee80211_ptr->wext.default_key = key_idx;
+ if (func == rdev->ops->set_default_key)
+ dev->ieee80211_ptr->wext.default_key = key.idx;
else
- dev->ieee80211_ptr->wext.default_mgmt_key = key_idx;
+ dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
}
#endif
+ wdev_unlock(dev->ieee80211_ptr);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
- int err, i;
+ struct cfg80211_registered_device *rdev;
+ int err;
struct net_device *dev;
- struct key_params params;
- u8 key_idx = 0;
+ struct key_parse key;
u8 *mac_addr = NULL;
- memset(¶ms, 0, sizeof(params));
+ err = nl80211_parse_key(info, &key);
+ if (err)
+ return err;
- if (!info->attrs[NL80211_ATTR_KEY_CIPHER])
+ if (!key.p.key)
return -EINVAL;
- if (info->attrs[NL80211_ATTR_KEY_DATA]) {
- params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
- params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
- }
-
- if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
- params.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
- params.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
- }
-
- if (info->attrs[NL80211_ATTR_KEY_IDX])
- key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
-
- params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
-
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (cfg80211_validate_key_settings(¶ms, key_idx, mac_addr))
- return -EINVAL;
-
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- for (i = 0; i < drv->wiphy.n_cipher_suites; i++)
- if (params.cipher == drv->wiphy.cipher_suites[i])
- break;
- if (i == drv->wiphy.n_cipher_suites) {
- err = -EINVAL;
+ if (!rdev->ops->add_key) {
+ err = -EOPNOTSUPP;
goto out;
}
- if (!drv->ops->add_key) {
- err = -EOPNOTSUPP;
+ if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, mac_addr)) {
+ err = -EINVAL;
goto out;
}
- err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, ¶ms);
+ wdev_lock(dev->ieee80211_ptr);
+ err = nl80211_key_allowed(dev->ieee80211_ptr);
+ if (!err)
+ err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx,
+ mac_addr, &key.p);
+ wdev_unlock(dev->ieee80211_ptr);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
- u8 key_idx = 0;
u8 *mac_addr = NULL;
+ struct key_parse key;
- if (info->attrs[NL80211_ATTR_KEY_IDX])
- key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
-
- if (key_idx > 5)
- return -EINVAL;
+ err = nl80211_parse_key(info, &key);
+ if (err)
+ return err;
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->del_key) {
+ if (!rdev->ops->del_key) {
err = -EOPNOTSUPP;
goto out;
}
- err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr);
+ wdev_lock(dev->ieee80211_ptr);
+ err = nl80211_key_allowed(dev->ieee80211_ptr);
+ if (!err)
+ err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, mac_addr);
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
if (!err) {
- if (key_idx == dev->ieee80211_ptr->wext.default_key)
+ if (key.idx == dev->ieee80211_ptr->wext.default_key)
dev->ieee80211_ptr->wext.default_key = -1;
- else if (key_idx == dev->ieee80211_ptr->wext.default_mgmt_key)
+ else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
dev->ieee80211_ptr->wext.default_mgmt_key = -1;
}
#endif
+ wdev_unlock(dev->ieee80211_ptr);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
{
int (*call)(struct wiphy *wiphy, struct net_device *dev,
struct beacon_parameters *info);
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
struct beacon_parameters params;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
goto out;
}
- call = drv->ops->add_beacon;
+ call = rdev->ops->add_beacon;
break;
case NL80211_CMD_SET_BEACON:
- call = drv->ops->set_beacon;
+ call = rdev->ops->set_beacon;
break;
default:
WARN_ON(1);
goto out;
}
- err = call(&drv->wiphy, dev, ¶ms);
+ err = call(&rdev->wiphy, dev, ¶ms);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->del_beacon) {
+ if (!rdev->ops->del_beacon) {
err = -EOPNOTSUPP;
goto out;
}
err = -EOPNOTSUPP;
goto out;
}
- err = drv->ops->del_beacon(&drv->wiphy, dev);
+ err = rdev->ops->del_beacon(&rdev->wiphy, dev);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
return 0;
}
-static u16 nl80211_calculate_bitrate(struct rate_info *rate)
-{
- int modulation, streams, bitrate;
-
- if (!(rate->flags & RATE_INFO_FLAGS_MCS))
- return rate->legacy;
-
- /* the formula below does only work for MCS values smaller than 32 */
- if (rate->mcs >= 32)
- return 0;
-
- modulation = rate->mcs & 7;
- streams = (rate->mcs >> 3) + 1;
-
- bitrate = (rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) ?
- 13500000 : 6500000;
-
- if (modulation < 4)
- bitrate *= (modulation + 1);
- else if (modulation == 4)
- bitrate *= (modulation + 2);
- else
- bitrate *= (modulation + 3);
-
- bitrate *= streams;
-
- if (rate->flags & RATE_INFO_FLAGS_SHORT_GI)
- bitrate = (bitrate / 9) * 10;
-
- /* do NOT round down here */
- return (bitrate + 50000) / 100000;
-}
-
static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
int flags, struct net_device *dev,
- u8 *mac_addr, struct station_info *sinfo)
+ const u8 *mac_addr, struct station_info *sinfo)
{
void *hdr;
struct nlattr *sinfoattr, *txrate;
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation);
+
sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
if (!sinfoattr)
goto nla_put_failure;
if (!txrate)
goto nla_put_failure;
- /* nl80211_calculate_bitrate will return 0 for mcs >= 32 */
- bitrate = nl80211_calculate_bitrate(&sinfo->txrate);
+ /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
+ bitrate = cfg80211_calculate_bitrate(&sinfo->txrate);
if (bitrate > 0)
NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
int sta_idx = cb->args[1];
int err;
- 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;
- }
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
rtnl_lock();
- netdev = __dev_get_by_index(&init_net, ifidx);
+ netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
if (!netdev) {
err = -ENODEV;
goto out_rtnl;
}
- dev = cfg80211_get_dev_from_ifindex(ifidx);
+ dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
if (IS_ERR(dev)) {
err = PTR_ERR(dev);
goto out_rtnl;
cb->args[1] = sta_idx;
err = skb->len;
out_err:
- cfg80211_put_dev(dev);
+ cfg80211_unlock_rdev(dev);
out_rtnl:
rtnl_unlock();
static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
struct station_info sinfo;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (!drv->ops->get_station) {
+ if (!rdev->ops->get_station) {
err = -EOPNOTSUPP;
goto out;
}
- err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &sinfo);
+ err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo);
if (err)
goto out;
dev, mac_addr, &sinfo) < 0)
goto out_free;
- err = genlmsg_unicast(msg, info->snd_pid);
+ err = genlmsg_reply(msg, info);
goto out;
out_free:
nlmsg_free(msg);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
}
/*
- * Get vlan interface making sure it is on the right wiphy.
+ * Get vlan interface making sure it is running and on the right wiphy.
*/
-static int get_vlan(struct nlattr *vlanattr,
+static int get_vlan(struct genl_info *info,
struct cfg80211_registered_device *rdev,
struct net_device **vlan)
{
+ struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
*vlan = NULL;
if (vlanattr) {
- *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr));
+ *vlan = dev_get_by_index(genl_info_net(info),
+ nla_get_u32(vlanattr));
if (!*vlan)
return -ENODEV;
if (!(*vlan)->ieee80211_ptr)
return -EINVAL;
if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
return -EINVAL;
+ if (!netif_running(*vlan))
+ return -ENETDOWN;
}
return 0;
}
static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
struct station_parameters params;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan);
+ err = get_vlan(info, rdev, ¶ms.vlan);
if (err)
goto out;
- if (!drv->ops->change_station) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, ¶ms);
-
- out:
- if (params.vlan)
- dev_put(params.vlan);
- cfg80211_put_dev(drv);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
-
- return err;
-}
+ /* validate settings */
+ err = 0;
-static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
-{
- struct cfg80211_registered_device *drv;
+ switch (dev->ieee80211_ptr->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ /* disallow mesh-specific things */
+ if (params.plink_action)
+ err = -EINVAL;
+ break;
+ case NL80211_IFTYPE_STATION:
+ /* disallow everything but AUTHORIZED flag */
+ if (params.plink_action)
+ err = -EINVAL;
+ if (params.vlan)
+ err = -EINVAL;
+ if (params.supported_rates)
+ err = -EINVAL;
+ if (params.ht_capa)
+ err = -EINVAL;
+ if (params.listen_interval >= 0)
+ err = -EINVAL;
+ if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
+ err = -EINVAL;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ /* disallow things mesh doesn't support */
+ if (params.vlan)
+ err = -EINVAL;
+ if (params.ht_capa)
+ err = -EINVAL;
+ if (params.listen_interval >= 0)
+ err = -EINVAL;
+ if (params.supported_rates)
+ err = -EINVAL;
+ if (params.sta_flags_mask)
+ err = -EINVAL;
+ break;
+ default:
+ err = -EINVAL;
+ }
+
+ if (err)
+ goto out;
+
+ if (!rdev->ops->change_station) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms);
+
+ out:
+ if (params.vlan)
+ dev_put(params.vlan);
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ out_rtnl:
+ rtnl_unlock();
+
+ return err;
+}
+
+static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
struct station_parameters params;
if (!info->attrs[NL80211_ATTR_MAC])
return -EINVAL;
- if (!info->attrs[NL80211_ATTR_STA_AID])
- return -EINVAL;
-
if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
return -EINVAL;
nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
params.listen_interval =
nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
- params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+
+ if (info->attrs[NL80211_ATTR_STA_AID]) {
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+ if (!params.aid || params.aid > IEEE80211_MAX_AID)
+ return -EINVAL;
+ }
+
if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
params.ht_capa =
nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
- err = -EINVAL;
+ err = get_vlan(info, rdev, ¶ms.vlan);
+ if (err)
goto out;
+
+ /* validate settings */
+ err = 0;
+
+ switch (dev->ieee80211_ptr->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ /* all ok but must have AID */
+ if (!params.aid)
+ err = -EINVAL;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ /* disallow things mesh doesn't support */
+ if (params.vlan)
+ err = -EINVAL;
+ if (params.aid)
+ err = -EINVAL;
+ if (params.ht_capa)
+ err = -EINVAL;
+ if (params.listen_interval >= 0)
+ err = -EINVAL;
+ if (params.supported_rates)
+ err = -EINVAL;
+ if (params.sta_flags_mask)
+ err = -EINVAL;
+ break;
+ default:
+ err = -EINVAL;
}
- err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan);
if (err)
goto out;
- if (!drv->ops->add_station) {
+ if (!rdev->ops->add_station) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, ¶ms);
+ err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms);
out:
if (params.vlan)
dev_put(params.vlan);
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
u8 *mac_addr = NULL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
err = -EINVAL;
goto out;
}
- if (!drv->ops->del_station) {
+ if (!rdev->ops->del_station) {
err = -EOPNOTSUPP;
goto out;
}
- err = drv->ops->del_station(&drv->wiphy, dev, mac_addr);
+ err = rdev->ops->del_station(&rdev->wiphy, dev, mac_addr);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation);
+
pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
if (!pinfoattr)
goto nla_put_failure;
if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
pinfo->frame_qlen);
- if (pinfo->filled & MPATH_INFO_DSN)
- NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN,
- pinfo->dsn);
+ if (pinfo->filled & MPATH_INFO_SN)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN,
+ pinfo->sn);
if (pinfo->filled & MPATH_INFO_METRIC)
NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
pinfo->metric);
int path_idx = cb->args[1];
int err;
- 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;
- }
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
rtnl_lock();
- netdev = __dev_get_by_index(&init_net, ifidx);
+ netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
if (!netdev) {
err = -ENODEV;
goto out_rtnl;
}
- dev = cfg80211_get_dev_from_ifindex(ifidx);
+ dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
if (IS_ERR(dev)) {
err = PTR_ERR(dev);
goto out_rtnl;
if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
err = -EOPNOTSUPP;
- goto out;
+ goto out_err;
}
while (1) {
cb->args[1] = path_idx;
err = skb->len;
out_err:
- cfg80211_put_dev(dev);
+ cfg80211_unlock_rdev(dev);
out_rtnl:
rtnl_unlock();
static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
struct mpath_info pinfo;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (!drv->ops->get_mpath) {
+ if (!rdev->ops->get_mpath) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo);
+ err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo);
if (err)
goto out;
dev, dst, next_hop, &pinfo) < 0)
goto out_free;
- err = genlmsg_unicast(msg, info->snd_pid);
+ err = genlmsg_reply(msg, info);
goto out;
out_free:
nlmsg_free(msg);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
u8 *dst = NULL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (!drv->ops->change_mpath) {
+ if (!rdev->ops->change_mpath) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- err = drv->ops->change_mpath(&drv->wiphy, dev, dst, next_hop);
+ err = rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
}
static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
u8 *dst = NULL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (!drv->ops->add_mpath) {
+ if (!rdev->ops->add_mpath) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- err = drv->ops->add_mpath(&drv->wiphy, dev, dst, next_hop);
+ err = rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
u8 *dst = NULL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (!drv->ops->del_mpath) {
+ if (!rdev->ops->del_mpath) {
err = -EOPNOTSUPP;
goto out;
}
- err = drv->ops->del_mpath(&drv->wiphy, dev, dst);
+ err = rdev->ops->del_mpath(&rdev->wiphy, dev, dst);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
int err;
struct net_device *dev;
struct bss_parameters params;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (!drv->ops->change_bss) {
+ if (!rdev->ops->change_bss) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- err = drv->ops->change_bss(&drv->wiphy, dev, ¶ms);
+ err = rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
return err;
}
-static const struct nla_policy
- reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
+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 },
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
-
r = regulatory_hint_user(data);
return r;
static int nl80211_get_mesh_params(struct sk_buff *skb,
struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct mesh_config cur_params;
int err;
struct net_device *dev;
rtnl_lock();
/* Look up our device */
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (!drv->ops->get_mesh_params) {
+ if (!rdev->ops->get_mesh_params) {
err = -EOPNOTSUPP;
goto out;
}
/* Get the mesh params */
- err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params);
+ err = rdev->ops->get_mesh_params(&rdev->wiphy, dev, &cur_params);
if (err)
goto out;
cur_params.dot11MeshHWMPpreqMinInterval);
NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
cur_params.dot11MeshHWMPnetDiameterTraversalTime);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
+ cur_params.dot11MeshHWMPRootMode);
nla_nest_end(msg, pinfoattr);
genlmsg_end(msg, hdr);
- err = genlmsg_unicast(msg, info->snd_pid);
+ err = genlmsg_reply(msg, info);
goto out;
nla_put_failure:
err = -EMSGSIZE;
out:
/* Cleanup */
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
} \
} while (0);\
-static struct nla_policy
-nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] __read_mostly = {
+static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
[NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
[NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
[NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
{
int err;
u32 mask;
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct net_device *dev;
struct mesh_config cfg;
struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- if (!drv->ops->set_mesh_params) {
+ if (!rdev->ops->set_mesh_params) {
err = -EOPNOTSUPP;
goto out;
}
dot11MeshHWMPnetDiameterTraversalTime,
mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshHWMPRootMode, mask,
+ NL80211_MESHCONF_HWMP_ROOTMODE,
+ nla_get_u8);
/* Apply changes */
- err = drv->ops->set_mesh_params(&drv->wiphy, dev, &cfg, mask);
+ err = rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask);
out:
/* cleanup */
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
nla_nest_end(msg, nl_reg_rules);
genlmsg_end(msg, hdr);
- err = genlmsg_unicast(msg, info->snd_pid);
+ err = genlmsg_reply(msg, info);
goto out;
nla_put_failure:
rem_reg_rules) {
num_rules++;
if (num_rules > NL80211_MAX_SUPP_REG_RULES)
- goto bad_reg;
+ return -EINVAL;
}
- if (!reg_is_valid_request(alpha2))
- return -EINVAL;
+ mutex_lock(&cfg80211_mutex);
+
+ if (!reg_is_valid_request(alpha2)) {
+ r = -EINVAL;
+ goto bad_reg;
+ }
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;
+ if (!rd) {
+ r = -ENOMEM;
+ goto bad_reg;
+ }
rd->n_reg_rules = num_rules;
rd->alpha2[0] = alpha2[0];
rule_idx++;
- if (rule_idx > NL80211_MAX_SUPP_REG_RULES)
+ if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
+ r = -EINVAL;
goto bad_reg;
+ }
}
BUG_ON(rule_idx != num_rules);
- mutex_lock(&cfg80211_mutex);
r = set_regdom(rd);
+
mutex_unlock(&cfg80211_mutex);
+
return r;
bad_reg:
+ mutex_unlock(&cfg80211_mutex);
kfree(rd);
- return -EINVAL;
+ return r;
+}
+
+static int validate_scan_freqs(struct nlattr *freqs)
+{
+ struct nlattr *attr1, *attr2;
+ int n_channels = 0, tmp1, tmp2;
+
+ nla_for_each_nested(attr1, freqs, tmp1) {
+ n_channels++;
+ /*
+ * Some hardware has a limited channel list for
+ * scanning, and it is pretty much nonsensical
+ * to scan for a channel twice, so disallow that
+ * and don't require drivers to check that the
+ * channel list they get isn't longer than what
+ * they can scan, as long as they can scan all
+ * the channels they registered at once.
+ */
+ nla_for_each_nested(attr2, freqs, tmp2)
+ if (attr1 != attr2 &&
+ nla_get_u32(attr1) == nla_get_u32(attr2))
+ return 0;
+ }
+
+ return n_channels;
}
static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct net_device *dev;
struct cfg80211_scan_request *request;
struct cfg80211_ssid *ssid;
struct ieee80211_channel *channel;
struct nlattr *attr;
struct wiphy *wiphy;
- int err, tmp, n_ssids = 0, n_channels = 0, i;
+ int err, tmp, n_ssids = 0, n_channels, i;
enum ieee80211_band band;
size_t ie_len;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- wiphy = &drv->wiphy;
+ wiphy = &rdev->wiphy;
- if (!drv->ops->scan) {
+ if (!rdev->ops->scan) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- if (drv->scan_req) {
+ if (rdev->scan_req) {
err = -EBUSY;
goto out;
}
if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
- nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp)
- n_channels++;
+ n_channels = validate_scan_freqs(
+ info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
if (!n_channels) {
err = -EINVAL;
goto out;
}
} else {
+ n_channels = 0;
+
for (band = 0; band < IEEE80211_NUM_BANDS; band++)
if (wiphy->bands[band])
n_channels += wiphy->bands[band]->n_channels;
goto out;
}
- request->channels = (void *)((char *)request + sizeof(*request));
- request->n_channels = n_channels;
if (n_ssids)
- request->ssids = (void *)(request->channels + n_channels);
+ request->ssids = (void *)&request->channels[n_channels];
request->n_ssids = n_ssids;
if (ie_len) {
if (request->ssids)
request->ie = (void *)(request->channels + n_channels);
}
+ i = 0;
if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
/* user specified, bail out if channel not found */
- request->n_channels = n_channels;
- i = 0;
nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
- request->channels[i] = ieee80211_get_channel(wiphy, nla_get_u32(attr));
- if (!request->channels[i]) {
+ struct ieee80211_channel *chan;
+
+ chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
+
+ if (!chan) {
err = -EINVAL;
goto out_free;
}
+
+ /* ignore disabled channels */
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ request->channels[i] = chan;
i++;
}
} else {
/* all channels */
- i = 0;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
int j;
if (!wiphy->bands[band])
continue;
for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
- request->channels[i] = &wiphy->bands[band]->channels[j];
+ struct ieee80211_channel *chan;
+
+ chan = &wiphy->bands[band]->channels[j];
+
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ request->channels[i] = chan;
i++;
}
}
}
+ if (!i) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ request->n_channels = i;
+
i = 0;
if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
request->ie_len);
}
- request->ifidx = dev->ifindex;
- request->wiphy = &drv->wiphy;
+ request->dev = dev;
+ request->wiphy = &rdev->wiphy;
+
+ rdev->scan_req = request;
+ err = rdev->ops->scan(&rdev->wiphy, dev, request);
- drv->scan_req = request;
- err = drv->ops->scan(&drv->wiphy, dev, request);
+ if (!err) {
+ nl80211_send_scan_start(rdev, dev);
+ dev_hold(dev);
+ }
out_free:
if (err) {
- drv->scan_req = NULL;
+ rdev->scan_req = NULL;
kfree(request);
}
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
out_rtnl:
rtnl_unlock();
static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_bss *res)
+ struct wireless_dev *wdev,
+ struct cfg80211_internal_bss *intbss)
{
+ struct cfg80211_bss *res = &intbss->pub;
void *hdr;
struct nlattr *bss;
+ int i;
+
+ ASSERT_WDEV_LOCK(wdev);
hdr = nl80211hdr_put(msg, pid, seq, flags,
NL80211_CMD_NEW_SCAN_RESULTS);
if (!hdr)
return -1;
- NLA_PUT_U32(msg, NL80211_ATTR_SCAN_GENERATION,
- rdev->bss_generation);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex);
bss = nla_nest_start(msg, NL80211_ATTR_BSS);
if (!bss)
NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS,
res->len_information_elements,
res->information_elements);
+ if (res->beacon_ies && res->len_beacon_ies &&
+ res->beacon_ies != res->information_elements)
+ NLA_PUT(msg, NL80211_BSS_BEACON_IES,
+ res->len_beacon_ies, res->beacon_ies);
if (res->tsf)
NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf);
if (res->beacon_interval)
NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval);
NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability);
NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq);
+ NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO,
+ jiffies_to_msecs(jiffies - intbss->ts));
switch (rdev->wiphy.signal_type) {
case CFG80211_SIGNAL_TYPE_MBM:
break;
}
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ if (intbss == wdev->current_bss)
+ NLA_PUT_U32(msg, NL80211_BSS_STATUS,
+ NL80211_BSS_STATUS_ASSOCIATED);
+ else for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (intbss != wdev->auth_bsses[i])
+ continue;
+ NLA_PUT_U32(msg, NL80211_BSS_STATUS,
+ NL80211_BSS_STATUS_AUTHENTICATED);
+ break;
+ }
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ if (intbss == wdev->current_bss)
+ NLA_PUT_U32(msg, NL80211_BSS_STATUS,
+ NL80211_BSS_STATUS_IBSS_JOINED);
+ break;
+ default:
+ break;
+ }
+
nla_nest_end(msg, bss);
return genlmsg_end(msg, hdr);
static int nl80211_dump_scan(struct sk_buff *skb,
struct netlink_callback *cb)
{
- struct cfg80211_registered_device *dev;
- struct net_device *netdev;
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
struct cfg80211_internal_bss *scan;
+ struct wireless_dev *wdev;
int ifidx = cb->args[0];
int start = cb->args[1], idx = 0;
int err;
- 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;
- cb->args[0] = ifidx;
- }
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
+ cb->args[0] = ifidx;
- netdev = dev_get_by_index(&init_net, ifidx);
- if (!netdev)
+ dev = dev_get_by_index(sock_net(skb->sk), ifidx);
+ if (!dev)
return -ENODEV;
- dev = cfg80211_get_dev_from_ifindex(ifidx);
- if (IS_ERR(dev)) {
- err = PTR_ERR(dev);
+ rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
+ if (IS_ERR(rdev)) {
+ err = PTR_ERR(rdev);
goto out_put_netdev;
}
- spin_lock_bh(&dev->bss_lock);
- cfg80211_bss_expire(dev);
+ wdev = dev->ieee80211_ptr;
- list_for_each_entry(scan, &dev->bss_list, list) {
+ wdev_lock(wdev);
+ spin_lock_bh(&rdev->bss_lock);
+ cfg80211_bss_expire(rdev);
+
+ list_for_each_entry(scan, &rdev->bss_list, list) {
if (++idx <= start)
continue;
if (nl80211_send_bss(skb,
NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
- dev, netdev, &scan->pub) < 0) {
+ rdev, wdev, scan) < 0) {
idx--;
goto out;
}
}
out:
- spin_unlock_bh(&dev->bss_lock);
+ spin_unlock_bh(&rdev->bss_lock);
+ wdev_unlock(wdev);
cb->args[1] = idx;
err = skb->len;
- cfg80211_put_dev(dev);
+ cfg80211_unlock_rdev(rdev);
out_put_netdev:
- dev_put(netdev);
+ dev_put(dev);
return err;
}
+static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
+ int flags, struct net_device *dev,
+ struct survey_info *survey)
+{
+ void *hdr;
+ struct nlattr *infoattr;
+
+ /* Survey without a channel doesn't make sense */
+ if (!survey->channel)
+ return -EINVAL;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags,
+ NL80211_CMD_NEW_SURVEY_RESULTS);
+ if (!hdr)
+ return -ENOMEM;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+
+ infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
+ if (!infoattr)
+ goto nla_put_failure;
+
+ NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY,
+ survey->channel->center_freq);
+ if (survey->filled & SURVEY_INFO_NOISE_DBM)
+ NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
+ survey->noise);
+
+ nla_nest_end(msg, infoattr);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nl80211_dump_survey(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct survey_info survey;
+ struct cfg80211_registered_device *dev;
+ struct net_device *netdev;
+ int ifidx = cb->args[0];
+ int survey_idx = cb->args[1];
+ int res;
+
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
+ cb->args[0] = ifidx;
+
+ rtnl_lock();
+
+ netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
+ if (!netdev) {
+ res = -ENODEV;
+ goto out_rtnl;
+ }
+
+ dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
+ if (IS_ERR(dev)) {
+ res = PTR_ERR(dev);
+ goto out_rtnl;
+ }
+
+ if (!dev->ops->dump_survey) {
+ res = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ while (1) {
+ res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx,
+ &survey);
+ if (res == -ENOENT)
+ break;
+ if (res)
+ goto out_err;
+
+ if (nl80211_send_survey(skb,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ netdev,
+ &survey) < 0)
+ goto out;
+ survey_idx++;
+ }
+
+ out:
+ cb->args[1] = survey_idx;
+ res = skb->len;
+ out_err:
+ cfg80211_unlock_rdev(dev);
+ out_rtnl:
+ rtnl_unlock();
+
+ return res;
+}
+
static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
{
- return auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM ||
- auth_type == NL80211_AUTHTYPE_SHARED_KEY ||
- auth_type == NL80211_AUTHTYPE_FT ||
- auth_type == NL80211_AUTHTYPE_NETWORK_EAP;
+ return auth_type <= NL80211_AUTHTYPE_MAX;
+}
+
+static bool nl80211_valid_wpa_versions(u32 wpa_versions)
+{
+ return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
+ NL80211_WPA_VERSION_2));
+}
+
+static bool nl80211_valid_akm_suite(u32 akm)
+{
+ return akm == WLAN_AKM_SUITE_8021X ||
+ akm == WLAN_AKM_SUITE_PSK;
+}
+
+static bool nl80211_valid_cipher_suite(u32 cipher)
+{
+ return cipher == WLAN_CIPHER_SUITE_WEP40 ||
+ cipher == WLAN_CIPHER_SUITE_WEP104 ||
+ cipher == WLAN_CIPHER_SUITE_TKIP ||
+ cipher == WLAN_CIPHER_SUITE_CCMP ||
+ cipher == WLAN_CIPHER_SUITE_AES_CMAC;
}
+
static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct net_device *dev;
- struct cfg80211_auth_request req;
- struct wiphy *wiphy;
- int err;
+ struct ieee80211_channel *chan;
+ const u8 *bssid, *ssid, *ie = NULL;
+ int err, ssid_len, ie_len = 0;
+ enum nl80211_auth_type auth_type;
+ struct key_parse key;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
return -EINVAL;
+ if (!info->attrs[NL80211_ATTR_SSID])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
+ err = nl80211_parse_key(info, &key);
+ if (err)
+ return err;
+
+ if (key.idx >= 0) {
+ if (!key.p.key || !key.p.key_len)
+ return -EINVAL;
+ if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
+ key.p.key_len != WLAN_KEY_LEN_WEP40) &&
+ (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
+ key.p.key_len != WLAN_KEY_LEN_WEP104))
+ return -EINVAL;
+ if (key.idx > 4)
+ return -EINVAL;
+ } else {
+ key.p.key_len = 0;
+ key.p.key = NULL;
+ }
+
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->auth) {
+ if (!rdev->ops->auth) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- wiphy = &drv->wiphy;
- memset(&req, 0, sizeof(req));
-
- req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
-
- if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
- req.chan = ieee80211_get_channel(
- wiphy,
- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
- if (!req.chan) {
- err = -EINVAL;
- goto out;
- }
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ chan = ieee80211_get_channel(&rdev->wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) {
+ err = -EINVAL;
+ goto out;
}
- if (info->attrs[NL80211_ATTR_SSID]) {
- req.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
- req.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
- }
+ ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
if (info->attrs[NL80211_ATTR_IE]) {
- req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
- req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- req.auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
- if (!nl80211_valid_auth_type(req.auth_type)) {
+ auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
+ if (!nl80211_valid_auth_type(auth_type)) {
err = -EINVAL;
goto out;
}
- err = drv->ops->auth(&drv->wiphy, dev, &req);
+ err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
+ ssid, ssid_len, ie, ie_len,
+ key.p.key, key.p.key_len, key.idx);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
return err;
}
-static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
+static int nl80211_crypto_settings(struct genl_info *info,
+ struct cfg80211_crypto_settings *settings,
+ int cipher_limit)
{
- struct cfg80211_registered_device *drv;
- struct net_device *dev;
- struct cfg80211_assoc_request req;
- struct wiphy *wiphy;
- int err;
+ memset(settings, 0, sizeof(*settings));
- if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
- return -EINVAL;
+ settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
- if (!info->attrs[NL80211_ATTR_MAC] ||
- !info->attrs[NL80211_ATTR_SSID])
- return -EINVAL;
+ if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
+ void *data;
+ int len, i;
- rtnl_lock();
+ data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
+ len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
+ settings->n_ciphers_pairwise = len / sizeof(u32);
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
- if (err)
- goto unlock_rtnl;
+ if (len % sizeof(u32))
+ return -EINVAL;
+
+ if (settings->n_ciphers_pairwise > cipher_limit)
+ return -EINVAL;
+
+ memcpy(settings->ciphers_pairwise, data, len);
+
+ for (i = 0; i < settings->n_ciphers_pairwise; i++)
+ if (!nl80211_valid_cipher_suite(
+ settings->ciphers_pairwise[i]))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
+ settings->cipher_group =
+ nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
+ if (!nl80211_valid_cipher_suite(settings->cipher_group))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
+ settings->wpa_versions =
+ nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
+ if (!nl80211_valid_wpa_versions(settings->wpa_versions))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
+ void *data;
+ int len, i;
+
+ data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
+ len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
+ settings->n_akm_suites = len / sizeof(u32);
+
+ if (len % sizeof(u32))
+ return -EINVAL;
+
+ memcpy(settings->akm_suites, data, len);
+
+ for (i = 0; i < settings->n_ciphers_pairwise; i++)
+ if (!nl80211_valid_akm_suite(settings->akm_suites[i]))
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ struct wireless_dev *wdev;
+ struct cfg80211_crypto_settings crypto;
+ struct ieee80211_channel *chan, *fixedchan;
+ const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL;
+ int err, ssid_len, ie_len = 0;
+ bool use_mfp = false;
- if (!drv->ops->assoc) {
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MAC] ||
+ !info->attrs[NL80211_ATTR_SSID] ||
+ !info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (!rdev->ops->assoc) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- wiphy = &drv->wiphy;
- memset(&req, 0, sizeof(req));
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ chan = ieee80211_get_channel(&rdev->wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) {
+ err = -EINVAL;
+ goto out;
+ }
- if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
- req.chan = ieee80211_get_channel(
- wiphy,
- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
- if (!req.chan) {
- err = -EINVAL;
- goto out;
- }
+ mutex_lock(&rdev->devlist_mtx);
+ wdev = dev->ieee80211_ptr;
+ fixedchan = rdev_fixed_channel(rdev, wdev);
+ if (fixedchan && chan != fixedchan) {
+ err = -EBUSY;
+ mutex_unlock(&rdev->devlist_mtx);
+ goto out;
}
+ mutex_unlock(&rdev->devlist_mtx);
- req.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
- req.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+ ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
if (info->attrs[NL80211_ATTR_IE]) {
- req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
- req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
if (info->attrs[NL80211_ATTR_USE_MFP]) {
- enum nl80211_mfp use_mfp =
+ enum nl80211_mfp mfp =
nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
- if (use_mfp == NL80211_MFP_REQUIRED)
- req.use_mfp = true;
- else if (use_mfp != NL80211_MFP_NO) {
+ if (mfp == NL80211_MFP_REQUIRED)
+ use_mfp = true;
+ else if (mfp != NL80211_MFP_NO) {
err = -EINVAL;
goto out;
}
}
- req.control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
+ if (info->attrs[NL80211_ATTR_PREV_BSSID])
+ prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
- err = drv->ops->assoc(&drv->wiphy, dev, &req);
+ err = nl80211_crypto_settings(info, &crypto, 1);
+ if (!err)
+ err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
+ ssid, ssid_len, ie, ie_len, use_mfp,
+ &crypto);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct net_device *dev;
- struct cfg80211_deauth_request req;
- struct wiphy *wiphy;
- int err;
+ const u8 *ie = NULL, *bssid;
+ int err, ie_len = 0;
+ u16 reason_code;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->deauth) {
+ if (!rdev->ops->deauth) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- wiphy = &drv->wiphy;
- memset(&req, 0, sizeof(req));
-
- req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- req.reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
- if (req.reason_code == 0) {
+ reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+ if (reason_code == 0) {
/* Reason Code 0 is reserved */
err = -EINVAL;
goto out;
}
if (info->attrs[NL80211_ATTR_IE]) {
- req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
- req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- err = drv->ops->deauth(&drv->wiphy, dev, &req);
+ err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct net_device *dev;
- struct cfg80211_disassoc_request req;
- struct wiphy *wiphy;
- int err;
+ const u8 *ie = NULL, *bssid;
+ int err, ie_len = 0;
+ u16 reason_code;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->disassoc) {
+ if (!rdev->ops->disassoc) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- wiphy = &drv->wiphy;
- memset(&req, 0, sizeof(req));
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
-
- req.reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
- if (req.reason_code == 0) {
+ reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+ if (reason_code == 0) {
/* Reason Code 0 is reserved */
err = -EINVAL;
goto out;
}
if (info->attrs[NL80211_ATTR_IE]) {
- req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
- req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
}
- err = drv->ops->disassoc(&drv->wiphy, dev, &req);
+ err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct cfg80211_registered_device *rdev;
struct net_device *dev;
struct cfg80211_ibss_params ibss;
struct wiphy *wiphy;
+ struct cfg80211_cached_keys *connkeys = NULL;
int err;
memset(&ibss, 0, sizeof(ibss));
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->join_ibss) {
+ if (!rdev->ops->join_ibss) {
err = -EOPNOTSUPP;
goto out;
}
goto out;
}
- wiphy = &drv->wiphy;
+ wiphy = &rdev->wiphy;
if (info->attrs[NL80211_ATTR_MAC])
ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
}
ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
+ ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
+
+ if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
+ connkeys = nl80211_parse_connkeys(rdev,
+ info->attrs[NL80211_ATTR_KEYS]);
+ if (IS_ERR(connkeys)) {
+ err = PTR_ERR(connkeys);
+ connkeys = NULL;
+ goto out;
+ }
+ }
+
+ err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
+
+out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+unlock_rtnl:
+ if (err)
+ kfree(connkeys);
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ int err;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (!rdev->ops->leave_ibss) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ err = cfg80211_leave_ibss(rdev, dev, false);
+
+out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+#ifdef CONFIG_NL80211_TESTMODE
+static struct genl_multicast_group nl80211_testmode_mcgrp = {
+ .name = "testmode",
+};
+
+static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_TESTDATA])
+ return -EINVAL;
+
+ rtnl_lock();
+
+ rdev = cfg80211_get_dev_from_info(info);
+ if (IS_ERR(rdev)) {
+ err = PTR_ERR(rdev);
+ goto unlock_rtnl;
+ }
+
+ err = -EOPNOTSUPP;
+ if (rdev->ops->testmode_cmd) {
+ rdev->testmode_info = info;
+ err = rdev->ops->testmode_cmd(&rdev->wiphy,
+ nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
+ nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
+ rdev->testmode_info = NULL;
+ }
+
+ cfg80211_unlock_rdev(rdev);
+
+ unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static struct sk_buff *
+__cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
+ int approxlen, u32 pid, u32 seq, gfp_t gfp)
+{
+ struct sk_buff *skb;
+ void *hdr;
+ struct nlattr *data;
+
+ skb = nlmsg_new(approxlen + 100, gfp);
+ if (!skb)
+ return NULL;
+
+ hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE);
+ if (!hdr) {
+ kfree_skb(skb);
+ return NULL;
+ }
+
+ NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
+
+ ((void **)skb->cb)[0] = rdev;
+ ((void **)skb->cb)[1] = hdr;
+ ((void **)skb->cb)[2] = data;
+
+ return skb;
+
+ nla_put_failure:
+ kfree_skb(skb);
+ return NULL;
+}
+
+struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
+ int approxlen)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ if (WARN_ON(!rdev->testmode_info))
+ return NULL;
+
+ return __cfg80211_testmode_alloc_skb(rdev, approxlen,
+ rdev->testmode_info->snd_pid,
+ rdev->testmode_info->snd_seq,
+ GFP_KERNEL);
+}
+EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
+
+int cfg80211_testmode_reply(struct sk_buff *skb)
+{
+ struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
+ void *hdr = ((void **)skb->cb)[1];
+ struct nlattr *data = ((void **)skb->cb)[2];
+
+ if (WARN_ON(!rdev->testmode_info)) {
+ kfree_skb(skb);
+ return -EINVAL;
+ }
+
+ nla_nest_end(skb, data);
+ genlmsg_end(skb, hdr);
+ return genlmsg_reply(skb, rdev->testmode_info);
+}
+EXPORT_SYMBOL(cfg80211_testmode_reply);
+
+struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
+ int approxlen, gfp_t gfp)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
+}
+EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
+
+void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
+{
+ void *hdr = ((void **)skb->cb)[1];
+ struct nlattr *data = ((void **)skb->cb)[2];
+
+ nla_nest_end(skb, data);
+ genlmsg_end(skb, hdr);
+ genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp);
+}
+EXPORT_SYMBOL(cfg80211_testmode_event);
+#endif
+
+static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ struct cfg80211_connect_params connect;
+ struct wiphy *wiphy;
+ struct cfg80211_cached_keys *connkeys = NULL;
+ int err;
+
+ memset(&connect, 0, sizeof(connect));
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_SSID] ||
+ !nla_len(info->attrs[NL80211_ATTR_SSID]))
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
+ connect.auth_type =
+ nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
+ if (!nl80211_valid_auth_type(connect.auth_type))
+ return -EINVAL;
+ } else
+ connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+
+ connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
+
+ err = nl80211_crypto_settings(info, &connect.crypto,
+ NL80211_MAX_NR_CIPHER_SUITES);
+ if (err)
+ return err;
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ wiphy = &rdev->wiphy;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+ connect.channel =
+ ieee80211_get_channel(wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!connect.channel ||
+ connect.channel->flags & IEEE80211_CHAN_DISABLED) {
+ err = -EINVAL;
+ goto out;
+ }
+ }
+
+ if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
+ connkeys = nl80211_parse_connkeys(rdev,
+ info->attrs[NL80211_ATTR_KEYS]);
+ if (IS_ERR(connkeys)) {
+ err = PTR_ERR(connkeys);
+ connkeys = NULL;
+ goto out;
+ }
+ }
+
+ err = cfg80211_connect(rdev, dev, &connect, connkeys);
+
+out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+unlock_rtnl:
+ if (err)
+ kfree(connkeys);
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ int err;
+ u16 reason;
+
+ if (!info->attrs[NL80211_ATTR_REASON_CODE])
+ reason = WLAN_REASON_DEAUTH_LEAVING;
+ else
+ reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+
+ if (reason == 0)
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
- err = cfg80211_join_ibss(drv, dev, &ibss);
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ err = cfg80211_disconnect(rdev, dev, reason, true);
out:
- cfg80211_put_dev(drv);
+ cfg80211_unlock_rdev(rdev);
dev_put(dev);
unlock_rtnl:
rtnl_unlock();
return err;
}
-static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
+static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net *net;
+ int err;
+ u32 pid;
+
+ if (!info->attrs[NL80211_ATTR_PID])
+ return -EINVAL;
+
+ pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
+
+ rtnl_lock();
+
+ rdev = cfg80211_get_dev_from_info(info);
+ if (IS_ERR(rdev)) {
+ err = PTR_ERR(rdev);
+ goto out_rtnl;
+ }
+
+ net = get_net_ns_by_pid(pid);
+ if (IS_ERR(net)) {
+ err = PTR_ERR(net);
+ goto out;
+ }
+
+ err = 0;
+
+ /* check if anything to do */
+ if (net_eq(wiphy_net(&rdev->wiphy), net))
+ goto out_put_net;
+
+ err = cfg80211_switch_netns(rdev, net);
+ out_put_net:
+ put_net(net);
+ out:
+ cfg80211_unlock_rdev(rdev);
+ out_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_pmksa *pmksa) = NULL;
+ int err;
+ struct net_device *dev;
+ struct cfg80211_pmksa pmksa;
+
+ memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_PMKID])
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto out_rtnl;
+
+ pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
+ pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ switch (info->genlhdr->cmd) {
+ case NL80211_CMD_SET_PMKSA:
+ rdev_ops = rdev->ops->set_pmksa;
+ break;
+ case NL80211_CMD_DEL_PMKSA:
+ rdev_ops = rdev->ops->del_pmksa;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ if (!rdev_ops) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = rdev_ops(&rdev->wiphy, dev, &pmksa);
+
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ out_rtnl:
+ rtnl_unlock();
+
+ return err;
+}
+
+static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ int err;
+ struct net_device *dev;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto out_rtnl;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!rdev->ops->flush_pmksa) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = rdev->ops->flush_pmksa(&rdev->wiphy, dev);
+
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ out_rtnl:
+ rtnl_unlock();
+
+ return err;
+
+}
+
+static int nl80211_remain_on_channel(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ struct ieee80211_channel *chan;
+ struct sk_buff *msg;
+ void *hdr;
+ u64 cookie;
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+ u32 freq, duration;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
+ !info->attrs[NL80211_ATTR_DURATION])
+ return -EINVAL;
+
+ duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
+
+ /*
+ * We should be on that channel for at least one jiffie,
+ * and more than 5 seconds seems excessive.
+ */
+ if (!duration || !msecs_to_jiffies(duration) || duration > 5000)
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (!rdev->ops->remain_on_channel) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
+ channel_type = nla_get_u32(
+ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ if (channel_type != NL80211_CHAN_NO_HT &&
+ channel_type != NL80211_CHAN_HT20 &&
+ channel_type != NL80211_CHAN_HT40PLUS &&
+ channel_type != NL80211_CHAN_HT40MINUS)
+ err = -EINVAL;
+ goto out;
+ }
+
+ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ chan = rdev_freq_to_chan(rdev, freq, channel_type);
+ if (chan == NULL) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_REMAIN_ON_CHANNEL);
+
+ if (IS_ERR(hdr)) {
+ err = PTR_ERR(hdr);
+ goto free_msg;
+ }
+
+ err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan,
+ channel_type, duration, &cookie);
+
+ if (err)
+ goto free_msg;
+
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+
+ genlmsg_end(msg, hdr);
+ err = genlmsg_reply(msg, info);
+ goto out;
+
+ nla_put_failure:
+ err = -ENOBUFS;
+ free_msg:
+ nlmsg_free(msg);
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ u64 cookie;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_COOKIE])
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (!rdev->ops->cancel_remain_on_channel) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
+
+ err = rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
+
+ out:
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
+ u8 *rates, u8 rates_len)
+{
+ u8 i;
+ u32 mask = 0;
+
+ for (i = 0; i < rates_len; i++) {
+ int rate = (rates[i] & 0x7f) * 5;
+ int ridx;
+ for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
+ struct ieee80211_rate *srate =
+ &sband->bitrates[ridx];
+ if (rate == srate->bitrate) {
+ mask |= 1 << ridx;
+ break;
+ }
+ }
+ if (ridx == sband->n_bitrates)
+ return 0; /* rate not found */
+ }
+
+ return mask;
+}
+
+static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
+ [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_RATES },
+};
+
+static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
+ struct genl_info *info)
{
- struct cfg80211_registered_device *drv;
+ struct nlattr *tb[NL80211_TXRATE_MAX + 1];
+ struct cfg80211_registered_device *rdev;
+ struct cfg80211_bitrate_mask mask;
+ int err, rem, i;
struct net_device *dev;
- int err;
+ struct nlattr *tx_rates;
+ struct ieee80211_supported_band *sband;
+
+ if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
+ return -EINVAL;
rtnl_lock();
- err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- if (!drv->ops->leave_ibss) {
+ if (!rdev->ops->set_bitrate_mask) {
err = -EOPNOTSUPP;
- goto out;
+ goto unlock;
}
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
- err = -EOPNOTSUPP;
- goto out;
+ memset(&mask, 0, sizeof(mask));
+ /* Default to all rates enabled */
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+ sband = rdev->wiphy.bands[i];
+ mask.control[i].legacy =
+ sband ? (1 << sband->n_bitrates) - 1 : 0;
}
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
+ /*
+ * The nested attribute uses enum nl80211_band as the index. This maps
+ * directly to the enum ieee80211_band values used in cfg80211.
+ */
+ nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
+ {
+ enum ieee80211_band band = nla_type(tx_rates);
+ if (band < 0 || band >= IEEE80211_NUM_BANDS) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ sband = rdev->wiphy.bands[band];
+ if (sband == NULL) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
+ nla_len(tx_rates), nl80211_txattr_policy);
+ if (tb[NL80211_TXRATE_LEGACY]) {
+ mask.control[band].legacy = rateset_to_mask(
+ sband,
+ nla_data(tb[NL80211_TXRATE_LEGACY]),
+ nla_len(tb[NL80211_TXRATE_LEGACY]));
+ if (mask.control[band].legacy == 0) {
+ err = -EINVAL;
+ goto unlock;
+ }
+ }
}
- err = cfg80211_leave_ibss(drv, dev, false);
+ err = rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask);
-out:
- cfg80211_put_dev(drv);
+ unlock:
dev_put(dev);
-unlock_rtnl:
+ cfg80211_unlock_rdev(rdev);
+ unlock_rtnl:
rtnl_unlock();
return err;
}
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
+#ifdef CONFIG_NL80211_TESTMODE
+ {
+ .cmd = NL80211_CMD_TESTMODE,
+ .doit = nl80211_testmode_do,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+#endif
+ {
+ .cmd = NL80211_CMD_CONNECT,
+ .doit = nl80211_connect,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_DISCONNECT,
+ .doit = nl80211_disconnect,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_SET_WIPHY_NETNS,
+ .doit = nl80211_wiphy_netns,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_GET_SURVEY,
+ .policy = nl80211_policy,
+ .dumpit = nl80211_dump_survey,
+ },
+ {
+ .cmd = NL80211_CMD_SET_PMKSA,
+ .doit = nl80211_setdel_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_PMKSA,
+ .doit = nl80211_setdel_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_FLUSH_PMKSA,
+ .doit = nl80211_flush_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
+ .doit = nl80211_remain_on_channel,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
+ .doit = nl80211_cancel_remain_on_channel,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
+ .doit = nl80211_set_tx_bitrate_mask,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
};
+
static struct genl_multicast_group nl80211_mlme_mcgrp = {
.name = "mlme",
};
return;
}
- genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_config_mcgrp.id, GFP_KERNEL);
}
-static int nl80211_send_scan_donemsg(struct sk_buff *msg,
- struct cfg80211_registered_device *rdev,
- struct net_device *netdev,
- u32 pid, u32 seq, int flags,
- u32 cmd)
+static int nl80211_add_scan_req(struct sk_buff *msg,
+ struct cfg80211_registered_device *rdev)
+{
+ struct cfg80211_scan_request *req = rdev->scan_req;
+ struct nlattr *nest;
+ int i;
+
+ ASSERT_RDEV_LOCK(rdev);
+
+ if (WARN_ON(!req))
+ return 0;
+
+ nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
+ if (!nest)
+ goto nla_put_failure;
+ for (i = 0; i < req->n_ssids; i++)
+ NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid);
+ nla_nest_end(msg, nest);
+
+ nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
+ if (!nest)
+ goto nla_put_failure;
+ for (i = 0; i < req->n_channels; i++)
+ NLA_PUT_U32(msg, i, req->channels[i]->center_freq);
+ nla_nest_end(msg, nest);
+
+ if (req->ie)
+ NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+static int nl80211_send_scan_msg(struct sk_buff *msg,
+ struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ u32 pid, u32 seq, int flags,
+ u32 cmd)
{
void *hdr;
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
- /* XXX: we should probably bounce back the request? */
+ /* ignore errors and send incomplete event anyway */
+ nl80211_add_scan_req(msg, rdev);
return genlmsg_end(msg, hdr);
return -EMSGSIZE;
}
+void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ NL80211_CMD_TRIGGER_SCAN) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
+}
+
void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
struct net_device *netdev)
{
if (!msg)
return;
- if (nl80211_send_scan_donemsg(msg, rdev, netdev, 0, 0, 0,
- NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
+ if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
nlmsg_free(msg);
return;
}
- genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
}
void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
if (!msg)
return;
- if (nl80211_send_scan_donemsg(msg, rdev, netdev, 0, 0, 0,
- NL80211_CMD_SCAN_ABORTED) < 0) {
+ if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ NL80211_CMD_SCAN_ABORTED) < 0) {
nlmsg_free(msg);
return;
}
- genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
}
/*
return;
}
- genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_KERNEL);
+ rcu_read_lock();
+ genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+ GFP_ATOMIC);
+ rcu_read_unlock();
return;
static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len,
- enum nl80211_commands cmd)
+ enum nl80211_commands cmd, gfp_t gfp)
{
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_ATOMIC);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
}
void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, const u8 *buf, size_t len)
+ struct net_device *netdev, const u8 *buf,
+ size_t len, gfp_t gfp)
{
nl80211_send_mlme_event(rdev, netdev, buf, len,
- NL80211_CMD_AUTHENTICATE);
+ NL80211_CMD_AUTHENTICATE, gfp);
}
void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *buf,
- size_t len)
+ size_t len, gfp_t gfp)
{
- nl80211_send_mlme_event(rdev, netdev, buf, len, NL80211_CMD_ASSOCIATE);
+ nl80211_send_mlme_event(rdev, netdev, buf, len,
+ NL80211_CMD_ASSOCIATE, gfp);
}
void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, const u8 *buf, size_t len)
+ struct net_device *netdev, const u8 *buf,
+ size_t len, gfp_t gfp)
{
nl80211_send_mlme_event(rdev, netdev, buf, len,
- NL80211_CMD_DEAUTHENTICATE);
+ NL80211_CMD_DEAUTHENTICATE, gfp);
}
void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *buf,
- size_t len)
+ size_t len, gfp_t gfp)
{
nl80211_send_mlme_event(rdev, netdev, buf, len,
- NL80211_CMD_DISASSOCIATE);
+ NL80211_CMD_DISASSOCIATE, gfp);
}
static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
struct net_device *netdev, int cmd,
- const u8 *addr)
+ const u8 *addr, gfp_t gfp)
{
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_ATOMIC);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
}
void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, const u8 *addr)
+ struct net_device *netdev, const u8 *addr,
+ gfp_t gfp)
{
nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
- addr);
+ addr, gfp);
}
void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, const u8 *addr)
+ struct net_device *netdev, const u8 *addr,
+ gfp_t gfp)
+{
+ nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
+ addr, gfp);
+}
+
+void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ if (bssid)
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+ NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status);
+ if (req_ie)
+ NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
+ if (resp_ie)
+ NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
+}
+
+void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+ if (req_ie)
+ NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
+ if (resp_ie)
+ NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
+}
+
+void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u16 reason,
+ const u8 *ie, size_t ie_len, bool from_ap)
{
- nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, addr);
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ if (from_ap && reason)
+ NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason);
+ if (from_ap)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP);
+ if (ie)
+ NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, GFP_KERNEL);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
}
void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *addr,
enum nl80211_key_type key_type, int key_id,
- const u8 *tsc)
+ const u8 *tsc, gfp_t gfp)
{
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
return;
}
- genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_ATOMIC);
+ rcu_read_lock();
+ genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+ GFP_ATOMIC);
+ rcu_read_unlock();
return;
nlmsg_free(msg);
}
+static void nl80211_send_remain_on_chan_event(
+ int cmd, struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type);
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+
+ if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL)
+ NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration, gfp_t gfp)
+{
+ nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
+ rdev, netdev, cookie, chan,
+ channel_type, duration, gfp);
+}
+
+void nl80211_send_remain_on_channel_cancel(
+ struct cfg80211_registered_device *rdev, struct net_device *netdev,
+ u64 cookie, struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type, gfp_t gfp)
+{
+ nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
+ rdev, netdev, cookie, chan,
+ channel_type, 0, gfp);
+}
+
+void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ struct station_info *sinfo, gfp_t gfp)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+}
+
/* initialisation/exit functions */
int nl80211_init(void)
if (err)
goto err_out;
+#ifdef CONFIG_NL80211_TESTMODE
+ err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
+ if (err)
+ goto err_out;
+#endif
+
return 0;
err_out:
genl_unregister_family(&nl80211_fam);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff