nl80211: add scan width to bss and scan request structs
To allow scanning and working with 5 MHz and 10 MHz BSS, extend the
inform bss commands and add wrappers to take 5 and 10 MHz bss into
account.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index ae8c186..ad1e406 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -651,6 +651,8 @@
continue;
if (bss->pub.channel != new->pub.channel)
continue;
+ if (bss->pub.scan_width != new->pub.scan_width)
+ continue;
if (rcu_access_pointer(bss->pub.beacon_ies))
continue;
ies = rcu_access_pointer(bss->pub.ies);
@@ -870,11 +872,12 @@
/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss*
-cfg80211_inform_bss(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
- const u8 *bssid, u64 tsf, u16 capability,
- u16 beacon_interval, const u8 *ie, size_t ielen,
- s32 signal, gfp_t gfp)
+cfg80211_inform_bss_width(struct wiphy *wiphy,
+ struct ieee80211_channel *channel,
+ enum nl80211_bss_scan_width scan_width,
+ const u8 *bssid, u64 tsf, u16 capability,
+ u16 beacon_interval, const u8 *ie, size_t ielen,
+ s32 signal, gfp_t gfp)
{
struct cfg80211_bss_ies *ies;
struct cfg80211_internal_bss tmp = {}, *res;
@@ -892,6 +895,7 @@
memcpy(tmp.pub.bssid, bssid, ETH_ALEN);
tmp.pub.channel = channel;
+ tmp.pub.scan_width = scan_width;
tmp.pub.signal = signal;
tmp.pub.beacon_interval = beacon_interval;
tmp.pub.capability = capability;
@@ -924,14 +928,15 @@
/* cfg80211_bss_update gives us a referenced result */
return &res->pub;
}
-EXPORT_SYMBOL(cfg80211_inform_bss);
+EXPORT_SYMBOL(cfg80211_inform_bss_width);
/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss *
-cfg80211_inform_bss_frame(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
- struct ieee80211_mgmt *mgmt, size_t len,
- s32 signal, gfp_t gfp)
+cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
+ struct ieee80211_channel *channel,
+ enum nl80211_bss_scan_width scan_width,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ s32 signal, gfp_t gfp)
{
struct cfg80211_internal_bss tmp = {}, *res;
struct cfg80211_bss_ies *ies;
@@ -941,7 +946,8 @@
BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) !=
offsetof(struct ieee80211_mgmt, u.beacon.variable));
- trace_cfg80211_inform_bss_frame(wiphy, channel, mgmt, len, signal);
+ trace_cfg80211_inform_bss_width_frame(wiphy, channel, scan_width, mgmt,
+ len, signal);
if (WARN_ON(!mgmt))
return NULL;
@@ -976,6 +982,7 @@
memcpy(tmp.pub.bssid, mgmt->bssid, ETH_ALEN);
tmp.pub.channel = channel;
+ tmp.pub.scan_width = scan_width;
tmp.pub.signal = signal;
tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int);
tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info);
@@ -991,7 +998,7 @@
/* cfg80211_bss_update gives us a referenced result */
return &res->pub;
}
-EXPORT_SYMBOL(cfg80211_inform_bss_frame);
+EXPORT_SYMBOL(cfg80211_inform_bss_width_frame);
void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
{