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path: root/net/wireless/nl80211.c
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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c75
1 files changed, 53 insertions, 22 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 298a4de5994..531bb67cf50 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -7,7 +7,6 @@
#include <linux/if.h>
#include <linux/module.h>
#include <linux/err.h>
-#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/if_ether.h>
#include <linux/ieee80211.h>
@@ -142,7 +141,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
if (!hdr)
return -1;
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx);
NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
dev->wiphy.max_scan_ssids);
@@ -256,7 +255,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
int start = cb->args[0];
struct cfg80211_registered_device *dev;
- mutex_lock(&cfg80211_drv_mutex);
+ mutex_lock(&cfg80211_mutex);
list_for_each_entry(dev, &cfg80211_drv_list, list) {
if (++idx <= start)
continue;
@@ -267,7 +266,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
break;
}
}
- mutex_unlock(&cfg80211_drv_mutex);
+ mutex_unlock(&cfg80211_mutex);
cb->args[0] = idx;
@@ -470,7 +469,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
struct cfg80211_registered_device *dev;
struct wireless_dev *wdev;
- mutex_lock(&cfg80211_drv_mutex);
+ mutex_lock(&cfg80211_mutex);
list_for_each_entry(dev, &cfg80211_drv_list, list) {
if (wp_idx < wp_start) {
wp_idx++;
@@ -497,7 +496,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
wp_idx++;
}
out:
- mutex_unlock(&cfg80211_drv_mutex);
+ mutex_unlock(&cfg80211_mutex);
cb->args[0] = wp_idx;
cb->args[1] = if_idx;
@@ -1206,6 +1205,12 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
nla_nest_end(msg, txrate);
}
+ if (sinfo->filled & STATION_INFO_RX_PACKETS)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS,
+ sinfo->rx_packets);
+ if (sinfo->filled & STATION_INFO_TX_PACKETS)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS,
+ sinfo->tx_packets);
nla_nest_end(msg, sinfoattr);
return genlmsg_end(msg, hdr);
@@ -1900,6 +1905,19 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
int r;
char *data = NULL;
+ /*
+ * You should only get this when cfg80211 hasn't yet initialized
+ * completely when built-in to the kernel right between the time
+ * window between nl80211_init() and regulatory_init(), if that is
+ * even possible.
+ */
+ mutex_lock(&cfg80211_mutex);
+ if (unlikely(!cfg80211_regdomain)) {
+ mutex_unlock(&cfg80211_mutex);
+ return -EINPROGRESS;
+ }
+ mutex_unlock(&cfg80211_mutex);
+
if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
return -EINVAL;
@@ -1910,14 +1928,9 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
if (is_world_regdom(data))
return -EINVAL;
#endif
- mutex_lock(&cfg80211_drv_mutex);
- r = __regulatory_hint(NULL, REGDOM_SET_BY_USER, data, 0, ENVIRON_ANY);
- mutex_unlock(&cfg80211_drv_mutex);
- /* This means the regulatory domain was already set, however
- * we don't want to confuse userspace with a "successful error"
- * message so lets just treat it as a success */
- if (r == -EALREADY)
- r = 0;
+
+ r = regulatory_hint_user(data);
+
return r;
}
@@ -2106,7 +2119,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
unsigned int i;
int err = -EINVAL;
- mutex_lock(&cfg80211_drv_mutex);
+ mutex_lock(&cfg80211_mutex);
if (!cfg80211_regdomain)
goto out;
@@ -2169,7 +2182,7 @@ nla_put_failure:
genlmsg_cancel(msg, hdr);
err = -EMSGSIZE;
out:
- mutex_unlock(&cfg80211_drv_mutex);
+ mutex_unlock(&cfg80211_mutex);
return err;
}
@@ -2228,9 +2241,9 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
BUG_ON(rule_idx != num_rules);
- mutex_lock(&cfg80211_drv_mutex);
+ mutex_lock(&cfg80211_mutex);
r = set_regdom(rd);
- mutex_unlock(&cfg80211_drv_mutex);
+ mutex_unlock(&cfg80211_mutex);
return r;
bad_reg:
@@ -2286,6 +2299,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
struct wiphy *wiphy;
int err, tmp, n_ssids = 0, n_channels = 0, i;
enum ieee80211_band band;
+ size_t ie_len;
err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
@@ -2327,9 +2341,15 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
goto out_unlock;
}
+ if (info->attrs[NL80211_ATTR_IE])
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ else
+ ie_len = 0;
+
request = kzalloc(sizeof(*request)
+ sizeof(*ssid) * n_ssids
- + sizeof(channel) * n_channels, GFP_KERNEL);
+ + sizeof(channel) * n_channels
+ + ie_len, GFP_KERNEL);
if (!request) {
err = -ENOMEM;
goto out_unlock;
@@ -2340,6 +2360,12 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (n_ssids)
request->ssids = (void *)(request->channels + n_channels);
request->n_ssids = n_ssids;
+ if (ie_len) {
+ if (request->ssids)
+ request->ie = (void *)(request->ssids + n_ssids);
+ else
+ request->ie = (void *)(request->channels + n_channels);
+ }
if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
/* user specified, bail out if channel not found */
@@ -2380,6 +2406,12 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
}
}
+ if (info->attrs[NL80211_ATTR_IE]) {
+ request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ memcpy(request->ie, nla_data(info->attrs[NL80211_ATTR_IE]),
+ request->ie_len);
+ }
+
request->ifidx = dev->ifindex;
request->wiphy = &drv->wiphy;
@@ -2432,7 +2464,7 @@ static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability);
NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq);
- switch (res->signal_type) {
+ switch (rdev->wiphy.signal_type) {
case CFG80211_SIGNAL_TYPE_MBM:
NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal);
break;
@@ -2601,7 +2633,6 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_get_station,
.dumpit = nl80211_dump_station,
.policy = nl80211_policy,
- .flags = GENL_ADMIN_PERM,
},
{
.cmd = NL80211_CMD_SET_STATION,
@@ -2739,7 +2770,7 @@ static int nl80211_send_scan_donemsg(struct sk_buff *msg,
if (!hdr)
return -1;
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->idx);
+ 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? */