Give a hint that softc can contain many things besides ifp.

2007-03-26 09:05:10 +00:00 · 2007-03-26 09:05:10 +00:00 · 1e010686da
commit 1e010686da
parent 81eac4c7f0
1 changed files with 5 additions and 0 deletions
--- a/sys/net/if_edsc.c
+++ b/sys/net/if_edsc.c
@ -56,6 +56,11 @@
 */
 struct edsc_softc {
 	struct ifnet	*sc_ifp; /* ptr to generic interface configuration */
+
+	/*
+	 * A non-null driver can keep various things here, for instance,
+	 * the hardware revision, cached values of write-only registers, etc.
+	 */
 };

 /*