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authorIlan Peer <ilan.peer@intel.com>2019-05-29 15:25:32 +0300
committerJohannes Berg <johannes.berg@intel.com>2019-06-14 15:16:02 +0300
commit4770c8f902285089ae1911de39808c808766a115 (patch)
tree5f91b4158dbbdb1571bb6c94701d9219abf9028d /include/net/cfg80211.h
parenta0de1ca383c77a1ae123d7c0cea45e327b61876a (diff)
downloadlinux-4770c8f902285089ae1911de39808c808766a115.tar.xz
cfg80211: Add a function to iterate all BSS entries
Add a function that iterates over the BSS entries associated with a given wiphy and calls a callback for each iterated BSS. This can be used by drivers in various ways, e.g., to evaluate some property for all the BSSs in the medium. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/cfg80211.h')
-rw-r--r--include/net/cfg80211.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ac758a54e971..4cd2857c06a4 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -5750,6 +5750,26 @@ void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
*/
void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
+/**
+ * cfg80211_bss_iter - iterate all BSS entries
+ *
+ * This function iterates over the BSS entries associated with the given wiphy
+ * and calls the callback for the iterated BSS. The iterator function is not
+ * allowed to call functions that might modify the internal state of the BSS DB.
+ *
+ * @wiphy: the wiphy
+ * @chandef: if given, the iterator function will be called only if the channel
+ * of the currently iterated BSS is a subset of the given channel.
+ * @iter: the iterator function to call
+ * @iter_data: an argument to the iterator function
+ */
+void cfg80211_bss_iter(struct wiphy *wiphy,
+ struct cfg80211_chan_def *chandef,
+ void (*iter)(struct wiphy *wiphy,
+ struct cfg80211_bss *bss,
+ void *data),
+ void *iter_data);
+
static inline enum nl80211_bss_scan_width
cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def *chandef)
{