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authorIlan Peer <ilan.peer@intel.com>2014-01-09 11:37:23 +0200
committerJohannes Berg <johannes.berg@intel.com>2014-01-09 14:24:24 +0100
commitbdfbec2d2d240e9c528caae9c743801629b60166 (patch)
treed35ed71d3af26f7bbc681da4cbfcee99f8685476 /net/wireless/util.c
parent685328b296acc810541d2532957912690273c64a (diff)
downloadlinux-stericsson-bdfbec2d2d240e9c528caae9c743801629b60166.tar.gz
cfg80211: Add a function to get the number of supported channels
Add a utility function to get the number of channels supported by the device, and update the places in the code that need this data. Signed-off-by: Ilan Peer <ilan.peer@intel.com> [replace another occurrence in libertas, fix kernel-doc, fix bugs] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/util.c')
-rw-r--r--net/wireless/util.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 329b0efb3ded..d39c37104ae2 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1481,6 +1481,19 @@ int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
return 0;
}
+unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy)
+{
+ enum ieee80211_band band;
+ unsigned int n_channels = 0;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+ if (wiphy->bands[band])
+ n_channels += wiphy->bands[band]->n_channels;
+
+ return n_channels;
+}
+EXPORT_SYMBOL(ieee80211_get_num_supported_channels);
+
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
const unsigned char rfc1042_header[] __aligned(2) =