From 89376b7141edb6f927fb940c27391cda6e67c785 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Thu, 19 Feb 2009 19:55:40 +0000
Subject: Initial import.

---
 bsd_eth_drivers/libbsdport/ifmedia.c | 91 ++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 bsd_eth_drivers/libbsdport/ifmedia.c

(limited to 'bsd_eth_drivers/libbsdport/ifmedia.c')

diff --git a/bsd_eth_drivers/libbsdport/ifmedia.c b/bsd_eth_drivers/libbsdport/ifmedia.c
new file mode 100644
index 0000000..77c3bd3
--- /dev/null
+++ b/bsd_eth_drivers/libbsdport/ifmedia.c
@@ -0,0 +1,91 @@
+#include <rtems.h>
+#define _KERNEL
+#include <rtems/rtems_bsdnet.h>
+#include <rtems/rtems_bsdnet_internal.h>
+
+#include <bsp/rtems_verscheck.h>
+
+#if RTEMS_REV_AT_LEAST(4,8,99)
+#include <rtems/bsd/sys/queue.h>
+#else
+#include <sys/queue.h>
+#endif
+
+#include <sys/malloc.h>
+#include <sys/errno.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <net/if.h>
+#include <net/if_media.h>
+#include <rtems/rtems_mii_ioctl.h>
+
+void
+ifmedia_init(struct ifmedia *ifm, int dontcare_mask,
+             ifm_change_cb_t change_callback, ifm_stat_cb_t status_callback)
+{
+	ifm->ifm_mask  = dontcare_mask;
+	ifm->ifm_media = 0;
+	ifm->ifm_cur   = 0;
+	ifm->ifm_list.lh_first = NULL;
+	ifm->ifm_change = change_callback;
+	ifm->ifm_status = status_callback;
+}
+
+void
+ifmedia_add(struct ifmedia *ifm, int mword, int data, void *aux)
+{
+struct ifmedia_entry *ifmen, *ifmep, *ifme;
+	if ( ( ifme = malloc(sizeof(*ifme), M_DEVBUF, M_NOWAIT) ) ) {
+		ifme->ifm_media = mword;
+		ifme->ifm_data  = data;
+		ifme->ifm_aux   = aux;
+		for ( ifmep = LIST_FIRST(&ifm->ifm_list); ifmep; ifmep = ifmen ) {
+			if ( !(ifmen = LIST_NEXT(ifmep, ifm_list)) )
+				break;
+		}
+		if ( ifmep )
+			LIST_INSERT_AFTER(ifmep, ifme, ifm_list);
+		else
+			LIST_INSERT_HEAD( &ifm->ifm_list, ifme, ifm_list);
+	}
+}
+
+int
+ifmedia_ioctl(struct ifnet *ifp, struct ifreq *ifr, struct ifmedia *ifm, u_long cmd)
+{
+int               rval = 0;
+struct ifmediareq ifmr;
+	if ( SIOCGIFMEDIA == cmd ) {
+		if ( !ifm->ifm_status )
+			return ENOTSUP;
+		ifm->ifm_status(ifp, &ifmr);
+		if ( ! (IFM_AVALID & ifmr.ifm_status) )
+			return EINVAL;
+		/* translate */
+		ifr->ifr_media = ifmr.ifm_active;
+		if ( IFM_ACTIVE & ifmr.ifm_status )
+			ifr->ifr_media |= IFM_LINK_OK;
+		/* no way to determine if autoneg is forcefully disabled
+		 * from ifmr :-(
+		 * Look at current ifm_media for now.
+		 */
+		if ( IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO )
+			ifr->ifr_media |= IFM_ANEG_DIS;
+	} else {
+		if ( !ifm->ifm_change )
+			return ENOTSUP;
+		ifm->ifm_media = ifr->ifr_media;
+		rval = ifm->ifm_change(ifp);
+	}
+	return rval;
+}
+
+void
+ifmedia_set(struct ifmedia *ifm, int mword)
+{
+	ifm->ifm_media = mword;
+	/* cannot invoke the ifm_change callback because we have
+	 * no ifp here.
+	 */
+}
+
-- 
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