cfg80211: add more flexible BSS lookup
Add a more flexible BSS lookup function so that mac80211 or
other drivers can actually use this for getting the BSS to
connect to.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index aacccc9..b1893c8 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -116,9 +116,12 @@
{
const u8 *ssidie;
- if (compare_ether_addr(a->bssid, bssid))
+ if (bssid && compare_ether_addr(a->bssid, bssid))
return false;
+ if (!ssid)
+ return true;
+
ssidie = find_ie(WLAN_EID_SSID,
a->information_elements,
a->len_information_elements);
@@ -199,7 +202,8 @@
struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
const u8 *bssid,
- const u8 *ssid, size_t ssid_len)
+ const u8 *ssid, size_t ssid_len,
+ u16 capa_mask, u16 capa_val)
{
struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy);
struct cfg80211_internal_bss *bss, *res = NULL;
@@ -207,6 +211,8 @@
spin_lock_bh(&dev->bss_lock);
list_for_each_entry(bss, &dev->bss_list, list) {
+ if ((bss->pub.capability & capa_mask) != capa_val)
+ continue;
if (channel && bss->pub.channel != channel)
continue;
if (is_bss(&bss->pub, bssid, ssid, ssid_len)) {