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/include/net/cfg80211.h b/include/net/cfg80211.h
index 071ed23..bae8614 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1285,6 +1285,7 @@
* @n_ssids: number of SSIDs
* @channels: channels to scan on.
* @n_channels: total number of channels to scan
+ * @scan_width: channel width for scanning
* @ie: optional information element(s) to add into Probe Request or %NULL
* @ie_len: length of ie in octets
* @flags: bit field of flags controlling operation
@@ -1300,6 +1301,7 @@
struct cfg80211_ssid *ssids;
int n_ssids;
u32 n_channels;
+ enum nl80211_bss_scan_width scan_width;
const u8 *ie;
size_t ie_len;
u32 flags;
@@ -1333,6 +1335,7 @@
* @ssids: SSIDs to scan for (passed in the probe_reqs in active scans)
* @n_ssids: number of SSIDs
* @n_channels: total number of channels to scan
+ * @scan_width: channel width for scanning
* @interval: interval between each scheduled scan cycle
* @ie: optional information element(s) to add into Probe Request or %NULL
* @ie_len: length of ie in octets
@@ -1352,6 +1355,7 @@
struct cfg80211_ssid *ssids;
int n_ssids;
u32 n_channels;
+ enum nl80211_bss_scan_width scan_width;
u32 interval;
const u8 *ie;
size_t ie_len;
@@ -1403,6 +1407,7 @@
* for use in scan results and similar.
*
* @channel: channel this BSS is on
+ * @scan_width: width of the control channel
* @bssid: BSSID of the BSS
* @beacon_interval: the beacon interval as from the frame
* @capability: the capability field in host byte order
@@ -1424,6 +1429,7 @@
*/
struct cfg80211_bss {
struct ieee80211_channel *channel;
+ enum nl80211_bss_scan_width scan_width;
const struct cfg80211_bss_ies __rcu *ies;
const struct cfg80211_bss_ies __rcu *beacon_ies;
@@ -3438,10 +3444,11 @@
void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
/**
- * cfg80211_inform_bss_frame - inform cfg80211 of a received BSS frame
+ * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
*
* @wiphy: the wiphy reporting the BSS
* @channel: The channel the frame was received on
+ * @scan_width: width of the control channel
* @mgmt: the management frame (probe response or beacon)
* @len: length of the management frame
* @signal: the signal strength, type depends on the wiphy's signal_type
@@ -3454,16 +3461,29 @@
* Or %NULL on error.
*/
struct cfg80211_bss * __must_check
+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);
+
+static inline struct cfg80211_bss * __must_check
cfg80211_inform_bss_frame(struct wiphy *wiphy,
struct ieee80211_channel *channel,
struct ieee80211_mgmt *mgmt, size_t len,
- s32 signal, gfp_t gfp);
+ s32 signal, gfp_t gfp)
+{
+ return cfg80211_inform_bss_width_frame(wiphy, channel,
+ NL80211_BSS_CHAN_WIDTH_20,
+ mgmt, len, signal, gfp);
+}
/**
* cfg80211_inform_bss - inform cfg80211 of a new BSS
*
* @wiphy: the wiphy reporting the BSS
* @channel: The channel the frame was received on
+ * @scan_width: width of the control channel
* @bssid: the BSSID of the BSS
* @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
* @capability: the capability field sent by the peer
@@ -3480,11 +3500,26 @@
* Or %NULL on error.
*/
struct cfg80211_bss * __must_check
+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);
+
+static inline struct cfg80211_bss * __must_check
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);
+ s32 signal, gfp_t gfp)
+{
+ return cfg80211_inform_bss_width(wiphy, channel,
+ NL80211_BSS_CHAN_WIDTH_20,
+ bssid, tsf, capability,
+ beacon_interval, ie, ielen, signal,
+ gfp);
+}
struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
@@ -3530,6 +3565,19 @@
*/
void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
+static inline enum nl80211_bss_scan_width
+cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def *chandef)
+{
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_5:
+ return NL80211_BSS_CHAN_WIDTH_5;
+ case NL80211_CHAN_WIDTH_10:
+ return NL80211_BSS_CHAN_WIDTH_10;
+ default:
+ return NL80211_BSS_CHAN_WIDTH_20;
+ }
+}
+
/**
* cfg80211_rx_mlme_mgmt - notification of processed MLME management frame
* @dev: network device