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authorcvs2git <rtems-devel@rtems.org>2010-03-07 17:11:30 +0000
committercvs2git <rtems-devel@rtems.org>2010-03-07 17:11:30 +0000
commitfb50f7ba6a9b780ae8424b630536a7a75223ef5f (patch)
treee8f562618f8ee35e1c6fc51dc2d876c3c672cb02 /bsd_eth_drivers/libbsdport/miistuff.c
parent - importing original version I had sent Joel on 20090214 (diff)
downloadlibbsdport-fb50f7ba6a9b780ae8424b630536a7a75223ef5f.tar.bz2
This commit was manufactured by cvs2svn to create branchlibbsdport-4-10-branch
'libbsdport-4-10-branch'. Sprout from base 2009-04-23 00:37:07 UTC Till Straumann <strauman@slac.stanford.edu> ' - importing original version I had sent Joel on 20090214' Cherrypick from master 2010-03-07 17:11:23 UTC Till Straumann <strauman@slac.stanford.edu> '2010-03-07 Till Straumann <Till.Straumann@TU-Berlin.de>': .cvsignore ChangeLog INSTALL bsd_eth_drivers/.cvsignore bsd_eth_drivers/ChangeLog bsd_eth_drivers/Makefile.am bsd_eth_drivers/if_bge/.cvsignore bsd_eth_drivers/if_bge/Makefile.am bsd_eth_drivers/if_bge/if_bge.c bsd_eth_drivers/if_bge/if_bgereg.h bsd_eth_drivers/if_em/.cvsignore bsd_eth_drivers/if_em/Makefile.am bsd_eth_drivers/if_em/e1000_manage.c bsd_eth_drivers/if_em/e1000_manage.h bsd_eth_drivers/if_em/e1000_osdep.h bsd_eth_drivers/if_em/if_em.c bsd_eth_drivers/if_fxp/.cvsignore bsd_eth_drivers/if_fxp/Makefile.am bsd_eth_drivers/if_fxp/if_fxp.c bsd_eth_drivers/if_fxp/if_fxpvar.h bsd_eth_drivers/if_le/.cvsignore bsd_eth_drivers/if_pcn/.cvsignore bsd_eth_drivers/if_pcn/if_pcn.c bsd_eth_drivers/if_re/.cvsignore bsd_eth_drivers/if_re/Makefile.am bsd_eth_drivers/if_re/if_re.c bsd_eth_drivers/if_re/if_rl.c bsd_eth_drivers/if_re/if_rlreg.h bsd_eth_drivers/libbsdport/.cvsignore bsd_eth_drivers/libbsdport/Makefile.am bsd_eth_drivers/libbsdport/alldrv.c bsd_eth_drivers/libbsdport/bus.h bsd_eth_drivers/libbsdport/callout.h bsd_eth_drivers/libbsdport/devicet.c bsd_eth_drivers/libbsdport/ifmedia.c bsd_eth_drivers/libbsdport/libbsdport.h bsd_eth_drivers/libbsdport/libbsdport_api.h bsd_eth_drivers/libbsdport/libbsdport_post.h bsd_eth_drivers/libbsdport/miistuff.c bsd_eth_drivers/libbsdport/misc.c bsd_eth_drivers/libbsdport/mutex.h bsd_eth_drivers/libbsdport/rtems_callout.c bsd_eth_drivers/libbsdport/sysbus.c bsd_eth_drivers/libbsdport/taskqueue.h bsd_eth_drivers/links.am configure.ac m4/rtems-fixup-prefix.m4 networkconfig-qemu.h rtems-pre.am Cherrypick from freebsd_orig 2009-04-23 04:52:05 UTC Till Straumann <strauman@slac.stanford.edu> ' - importing original 'releng_7_1' version of FXP driver from FreeBSD.': bsd_eth_drivers/if_fxp/if_fxpreg.h bsd_eth_drivers/if_fxp/rcvbundl.h Delete: Makefile.in aclocal.m4 bsd_eth_drivers/Makefile.in bsd_eth_drivers/if_em/Makefile.in bsd_eth_drivers/if_le/Makefile.in bsd_eth_drivers/if_pcn/Makefile.in bsd_eth_drivers/libbsdport/Makefile.in config.guess config.h.in config.sub configure depcomp install-sh makefile.top.am makefile.top.in missing
Diffstat (limited to 'bsd_eth_drivers/libbsdport/miistuff.c')
-rw-r--r--bsd_eth_drivers/libbsdport/miistuff.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/bsd_eth_drivers/libbsdport/miistuff.c b/bsd_eth_drivers/libbsdport/miistuff.c
new file mode 100644
index 0000000..b15545f
--- /dev/null
+++ b/bsd_eth_drivers/libbsdport/miistuff.c
@@ -0,0 +1,58 @@
+#include <rtems.h>
+#define _KERNEL
+#include <rtems/rtems_bsdnet.h>
+#include <rtems/rtems_bsdnet_internal.h>
+
+#include <bsp/rtems_verscheck.h>
+
+#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>
+
+#define PHY_MAX 32
+
+#undef DEBUG
+
+/* A helper to find the active PHY. We really should port
+ * the entire BSD miibus/phy support but that's a bigger
+ * project...
+ */
+int
+rtems_mii_phy_probe(struct rtems_mdio_info *mdio, void *softc)
+{
+int phy;
+uint32_t bmsr, bmcr;
+ for ( phy = 0; phy<PHY_MAX; phy++ ) {
+ if ( mdio->mdio_r(phy, softc, MII_BMSR, &bmsr) )
+ continue;
+
+ bmsr &= 0xffff;
+
+ if ( 0 == bmsr || 0xffff == bmsr )
+ continue; /* nothing here */
+
+ /* no media supported ? */
+ if ( 0 == ((BMSR_EXTSTAT | 0xfe00) & bmsr ) )
+ continue; /* probably nothing there */
+
+ if ( mdio->mdio_r(phy, softc, MII_BMCR, &bmcr) )
+ continue;
+
+ /* skip isolated or powered-down phys */
+ if ( (BMCR_PDOWN | BMCR_ISO) & bmcr )
+ continue;
+
+#ifdef DEBUG
+ printk("PHY #%u seems active; link status is %s\n", phy, BMSR_LINK & bmsr ? "UP" : "DOWN");
+#endif
+
+ /* seems we found one */
+ return phy;
+ }
+
+ return -1;
+}