add mii_phy_match() for table-driven lookup.

From NetBSD

2 files changed, 26 insertions, 2 deletions

diff --git a/sys/dev/mii/mii_physubr.c b/sys/dev/mii/mii_physubr.c
index 42351ab959b..de21e2be9fb 100644
--- a/sys/dev/mii/mii_physubr.c
+++ b/sys/dev/mii/mii_physubr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mii_physubr.c,v 1.21 2004/10/09 02:17:03 brad Exp $	*/
+/*	$OpenBSD: mii_physubr.c,v 1.22 2004/11/18 16:15:33 brad Exp $	*/
 /*	$NetBSD: mii_physubr.c,v 1.20 2001/04/13 23:30:09 thorpej Exp $	*/
 
 /*-
@@ -511,6 +511,18 @@ mii_phy_detach(struct device *self, int flags)
 	return (0);
 }
 
+const struct mii_phydesc *
+mii_phy_match(const struct mii_attach_args *ma, const struct mii_phydesc *mpd)
+{
+
+	for (; mpd->mpd_name != NULL; mpd++) {
+		if (MII_OUI(ma->mii_id1, ma->mii_id2) == mpd->mpd_oui &&
+		    MII_MODEL(ma->mii_id2) == mpd->mpd_model)
+			return (mpd);
+	}
+	return (NULL);
+}
+
 /*
  * Given an ifmedia word, return the corresponding ANAR value.
  */
diff --git a/sys/dev/mii/miivar.h b/sys/dev/mii/miivar.h
index be53ab4cbc1..ac1ccf09121 100644
--- a/sys/dev/mii/miivar.h
+++ b/sys/dev/mii/miivar.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: miivar.h,v 1.20 2004/09/27 18:25:48 brad Exp $	*/
+/*	$OpenBSD: miivar.h,v 1.21 2004/11/18 16:15:33 brad Exp $	*/
 /*	$NetBSD: miivar.h,v 1.17 2000/03/06 20:56:57 thorpej Exp $	*/
 
 /*-
@@ -179,6 +179,15 @@ struct mii_attach_args {
 typedef struct mii_attach_args mii_attach_args_t;
 
 /*
+ * Used to match a PHY.
+ */
+struct mii_phydesc {
+	u_int32_t mpd_oui;		/* the PHY's OUI */
+	u_int32_t mpd_model;		/* the PHY's model */
+	const char *mpd_name;		/* the PHY's name */
+};
+
+/*
  * An array of these structures map MII media types to BMCR/ANAR settings.
  */
 struct mii_media {
@@ -234,6 +243,9 @@ void	mii_down(struct mii_data *);
 int	mii_phy_activate(struct device *, enum devact);
 int	mii_phy_detach(struct device *, int);
 
+const struct mii_phydesc *mii_phy_match(const struct mii_attach_args *,
+	    const struct mii_phydesc *);
+
 void	mii_phy_add_media(struct mii_softc *);
 void	mii_phy_delete_media(struct mii_softc *);