diff options
| author | Ilan Peer <ilan.peer@intel.com> | 2019-05-29 15:25:32 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-06-14 15:16:02 +0300 |
| commit | 4770c8f902285089ae1911de39808c808766a115 (patch) | |
| tree | 5f91b4158dbbdb1571bb6c94701d9219abf9028d /net/wireless/scan.c | |
| parent | a0de1ca383c77a1ae123d7c0cea45e327b61876a (diff) | |
| download | linux-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 'net/wireless/scan.c')
| -rw-r--r-- | net/wireless/scan.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index f347387f195a..dc1ba21428dd 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1974,6 +1974,27 @@ out: } EXPORT_SYMBOL(cfg80211_unlink_bss); +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) +{ + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + struct cfg80211_internal_bss *bss; + + spin_lock_bh(&rdev->bss_lock); + + list_for_each_entry(bss, &rdev->bss_list, list) { + if (!chandef || cfg80211_is_sub_chan(chandef, bss->pub.channel)) + iter(wiphy, &bss->pub, iter_data); + } + + spin_unlock_bh(&rdev->bss_lock); +} +EXPORT_SYMBOL(cfg80211_bss_iter); + #ifdef CONFIG_CFG80211_WEXT static struct cfg80211_registered_device * cfg80211_get_dev_from_ifindex(struct net *net, int ifindex) |