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authorJohannes Berg <johannes.berg@intel.com>2022-07-12 18:32:49 +0200
committerJohannes Berg <johannes.berg@intel.com>2022-07-15 11:43:23 +0200
commit7464f665158e09f3f29116d8d0676824c1f1eeda (patch)
tree87af8f9613720815b3eb871d45069e7965f7c76c
parentwifi: mac80211: mlme: look up beacon elems only if needed (diff)
downloadlinux-7464f665158e09f3f29116d8d0676824c1f1eeda.tar.xz
linux-7464f665158e09f3f29116d8d0676824c1f1eeda.zip
wifi: cfg80211: add cfg80211_get_iftype_ext_capa()
Add a helper function cfg80211_get_iftype_ext_capa() to look up interface type-specific (extended) capabilities. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--include/net/cfg80211.h8
-rw-r--r--net/wireless/util.c14
2 files changed, 22 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 8dbc64286d91..d5af3a7fc2b4 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -5006,6 +5006,14 @@ struct wiphy_iftype_ext_capab {
};
/**
+ * cfg80211_get_iftype_ext_capa - lookup interface type extended capability
+ * @wiphy: the wiphy to look up from
+ * @type: the interface type to look up
+ */
+const struct wiphy_iftype_ext_capab *
+cfg80211_get_iftype_ext_capa(struct wiphy *wiphy, enum nl80211_iftype type);
+
+/**
* struct cfg80211_pmsr_capabilities - cfg80211 peer measurement capabilities
* @max_peers: maximum number of peers in a single measurement
* @report_ap_tsf: can report assoc AP's TSF for radio resource measurement
diff --git a/net/wireless/util.c b/net/wireless/util.c
index fe7956c8c6da..2c127951764a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -2490,3 +2490,17 @@ int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
return rdev_del_virtual_intf(rdev, wdev);
}
+
+const struct wiphy_iftype_ext_capab *
+cfg80211_get_iftype_ext_capa(struct wiphy *wiphy, enum nl80211_iftype type)
+{
+ int i;
+
+ for (i = 0; i < wiphy->num_iftype_ext_capab; i++) {
+ if (wiphy->iftype_ext_capab[i].iftype == type)
+ return &wiphy->iftype_ext_capab[i];
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(cfg80211_get_iftype_ext_capa);