diff options
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r-- | net/wireless/nl80211.c | 75 |
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? */ |