Author: adrian
Date: Sun Jun 7 04:57:48 2020
New Revision: 361885
URL: https://svnweb.freebsd.org/changeset/base/361885
Log:
[net80211] Add a method to return the vap's ifname.
This removes the requirement to know what's in the ifp.
(If someone wants a quick clean-up task, it'd be nice to convert instances
of ifp dereferencing for if_xname over to this method.)
Modified:
head/sys/net80211/ieee80211_freebsd.c
head/sys/net80211/ieee80211_freebsd.h
Modified: head/sys/net80211/ieee80211_freebsd.c
==============================================================================
--- head/sys/net80211/ieee80211_freebsd.c Sun Jun 7 04:32:38 2020
(r361884)
+++ head/sys/net80211/ieee80211_freebsd.c Sun Jun 7 04:57:48 2020
(r361885)
@@ -1034,6 +1034,20 @@ wlan_iflladdr(void *arg __unused, struct ifnet *ifp)
}
/*
+ * Fetch the VAP name.
+ *
+ * This returns a const char pointer suitable for debugging,
+ * but don't expect it to stick around for much longer.
+ */
+const char *
+ieee80211_get_vap_ifname(struct ieee80211vap *vap)
+{
+ if ((vap->iv_ifp == NULL) || (vap->iv_ifp->if_xname == NULL))
+ return "(none)";
+ return vap->iv_ifp->if_xname;
+}
+
+/*
* Module glue.
*
* NB: the module name is "wlan" for compatibility with NetBSD.
Modified: head/sys/net80211/ieee80211_freebsd.h
==============================================================================
--- head/sys/net80211/ieee80211_freebsd.h Sun Jun 7 04:32:38 2020
(r361884)
+++ head/sys/net80211/ieee80211_freebsd.h Sun Jun 7 04:57:48 2020
(r361885)
@@ -245,6 +245,7 @@ void ieee80211_drain_ifq(struct ifqueue *);
void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
void ieee80211_vap_destroy(struct ieee80211vap *);
+const char * ieee80211_get_vap_ifname(struct ieee80211vap *);
#define IFNET_IS_UP_RUNNING(_ifp) \
(((_ifp)->if_flags & IFF_UP) && \
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