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-rw-r--r--net/wireless/nl80211.c111
1 files changed, 51 insertions, 60 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b4f40fe84a01..d0afd82ebd77 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5285,12 +5285,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
5285 goto unlock; 5285 goto unlock;
5286 } 5286 }
5287 } else { 5287 } else {
5288 enum ieee80211_band band; 5288 n_channels = ieee80211_get_num_supported_channels(wiphy);
5289 n_channels = 0;
5290
5291 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5292 if (wiphy->bands[band])
5293 n_channels += wiphy->bands[band]->n_channels;
5294 } 5289 }
5295 5290
5296 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) 5291 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
@@ -5498,11 +5493,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
5498 if (!n_channels) 5493 if (!n_channels)
5499 return -EINVAL; 5494 return -EINVAL;
5500 } else { 5495 } else {
5501 n_channels = 0; 5496 n_channels = ieee80211_get_num_supported_channels(wiphy);
5502
5503 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5504 if (wiphy->bands[band])
5505 n_channels += wiphy->bands[band]->n_channels;
5506 } 5497 }
5507 5498
5508 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) 5499 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
@@ -6795,6 +6786,55 @@ __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6795 return NULL; 6786 return NULL;
6796} 6787}
6797 6788
6789struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6790 enum nl80211_commands cmd,
6791 enum nl80211_attrs attr,
6792 int vendor_event_idx,
6793 int approxlen, gfp_t gfp)
6794{
6795 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6796 const struct nl80211_vendor_cmd_info *info;
6797
6798 switch (cmd) {
6799 case NL80211_CMD_TESTMODE:
6800 if (WARN_ON(vendor_event_idx != -1))
6801 return NULL;
6802 info = NULL;
6803 break;
6804 case NL80211_CMD_VENDOR:
6805 if (WARN_ON(vendor_event_idx < 0 ||
6806 vendor_event_idx >= wiphy->n_vendor_events))
6807 return NULL;
6808 info = &wiphy->vendor_events[vendor_event_idx];
6809 break;
6810 default:
6811 WARN_ON(1);
6812 return NULL;
6813 }
6814
6815 return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0,
6816 cmd, attr, info, gfp);
6817}
6818EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
6819
6820void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
6821{
6822 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6823 void *hdr = ((void **)skb->cb)[1];
6824 struct nlattr *data = ((void **)skb->cb)[2];
6825 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
6826
6827 nla_nest_end(skb, data);
6828 genlmsg_end(skb, hdr);
6829
6830 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
6831 mcgrp = NL80211_MCGRP_VENDOR;
6832
6833 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
6834 mcgrp, gfp);
6835}
6836EXPORT_SYMBOL(__cfg80211_send_event_skb);
6837
6798#ifdef CONFIG_NL80211_TESTMODE 6838#ifdef CONFIG_NL80211_TESTMODE
6799static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) 6839static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
6800{ 6840{
@@ -6921,55 +6961,6 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
6921 rtnl_unlock(); 6961 rtnl_unlock();
6922 return err; 6962 return err;
6923} 6963}
6924
6925struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6926 enum nl80211_commands cmd,
6927 enum nl80211_attrs attr,
6928 int vendor_event_idx,
6929 int approxlen, gfp_t gfp)
6930{
6931 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6932 const struct nl80211_vendor_cmd_info *info;
6933
6934 switch (cmd) {
6935 case NL80211_CMD_TESTMODE:
6936 if (WARN_ON(vendor_event_idx != -1))
6937 return NULL;
6938 info = NULL;
6939 break;
6940 case NL80211_CMD_VENDOR:
6941 if (WARN_ON(vendor_event_idx < 0 ||
6942 vendor_event_idx >= wiphy->n_vendor_events))
6943 return NULL;
6944 info = &wiphy->vendor_events[vendor_event_idx];
6945 break;
6946 default:
6947 WARN_ON(1);
6948 return NULL;
6949 }
6950
6951 return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0,
6952 cmd, attr, info, gfp);
6953}
6954EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
6955
6956void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
6957{
6958 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6959 void *hdr = ((void **)skb->cb)[1];
6960 struct nlattr *data = ((void **)skb->cb)[2];
6961 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
6962
6963 nla_nest_end(skb, data);
6964 genlmsg_end(skb, hdr);
6965
6966 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
6967 mcgrp = NL80211_MCGRP_VENDOR;
6968
6969 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
6970 mcgrp, gfp);
6971}
6972EXPORT_SYMBOL(__cfg80211_send_event_skb);
6973#endif 6964#endif
6974 6965
6975static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) 6966static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)