cfg80211: make regulatory_request use wiphy_idx instead of wiphy
We do this so later on we can move the pending requests onto a
workqueue. By using the wiphy_idx instead of the wiphy we can
later easily check if the wiphy has disappeared or not.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 982cc6b..cd8e6e3 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -79,6 +79,12 @@
BUG_ON(!mutex_is_locked(&cfg80211_mutex));
}
+/*
+ * You can use this to mark a wiphy_idx as not having an associated wiphy.
+ * It guarantees cfg80211_drv_by_wiphy_idx(wiphy_idx) will return NULL
+ */
+#define WIPHY_IDX_STALE -1
+
struct cfg80211_internal_bss {
struct list_head list;
struct rb_node rbn;
@@ -88,6 +94,9 @@
struct cfg80211_bss pub;
};
+struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx);
+int get_wiphy_idx(struct wiphy *wiphy);
+
/*
* This function returns a pointer to the driver
* that the genl_info item that is passed refers to.
@@ -111,6 +120,9 @@
extern struct cfg80211_registered_device *
cfg80211_get_dev_from_info(struct genl_info *info);
+/* requires cfg80211_drv_mutex to be held! */
+struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
+
/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
extern struct cfg80211_registered_device *
cfg80211_get_dev_from_ifindex(int ifindex);