Add RTEMS legacy MII support

1 files changed, 139 insertions, 0 deletions

diff --git a/rtemsbsd/include/rtems/rtems_mii_ioctl.h b/rtemsbsd/include/rtems/rtems_mii_ioctl.h
new file mode 100644
index 00000000..dfeebf16
--- /dev/null
+++ b/rtemsbsd/include/rtems/rtems_mii_ioctl.h
@@ -0,0 +1,139 @@
+/* Simple (default) implementation for SIOCGIFMEDIA/SIOCSIFMEDIA
+ * to be used by ethernet drivers [from their ioctl].
+ *
+ * NOTE: This much simpler than the BSD ifmedia API
+ */
+
+/*
+ * Authorship
+ * ----------
+ * This software was created by
+ *     Till Straumann <strauman@slac.stanford.edu>, 2005,
+ * 	   Stanford Linear Accelerator Center, Stanford University.
+ *
+ * Acknowledgement of sponsorship
+ * ------------------------------
+ * This software was produced by
+ *     the Stanford Linear Accelerator Center, Stanford University,
+ * 	   under Contract DE-AC03-76SFO0515 with the Department of Energy.
+ *
+ * Government disclaimer of liability
+ * ----------------------------------
+ * Neither the United States nor the United States Department of Energy,
+ * nor any of their employees, makes any warranty, express or implied, or
+ * assumes any legal liability or responsibility for the accuracy,
+ * completeness, or usefulness of any data, apparatus, product, or process
+ * disclosed, or represents that its use would not infringe privately owned
+ * rights.
+ *
+ * Stanford disclaimer of liability
+ * --------------------------------
+ * Stanford University makes no representations or warranties, express or
+ * implied, nor assumes any liability for the use of this software.
+ *
+ * Stanford disclaimer of copyright
+ * --------------------------------
+ * Stanford University, owner of the copyright, hereby disclaims its
+ * copyright and all other rights in this software.  Hence, anyone may
+ * freely use it for any purpose without restriction.
+ *
+ * Maintenance of notices
+ * ----------------------
+ * In the interest of clarity regarding the origin and status of this
+ * SLAC software, this and all the preceding Stanford University notices
+ * are to remain affixed to any copy or derivative of this software made
+ * or distributed by the recipient and are to be affixed to any copy of
+ * software made or distributed by the recipient that contains a copy or
+ * derivative of this software.
+ *
+ * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
+ */
+#ifndef RTEMS_MII_IOCTL_H
+#define RTEMS_MII_IOCTL_H
+
+#include <dev/mii/mii.h>    /* MII register definitions                                */
+#include <net/if_media.h>   /* media word definitions; rest of API (ifmedia) unused!   */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(_KERNEL) || defined(KERNEL) || \
+    defined(__KERNEL) || defined(__KERNEL__)
+/* mdio routines to be provided by driver */
+
+/* read mii register 'reg' at 'phy' (-1 meaning any/currently active)
+ * RETURNS 0 on success, -1 otherwise (e.g., illegal phy)
+ */
+typedef int (*rtems_mdio_read_func) (int phy, void *uarg, unsigned reg,
+                                     uint32_t * pval);
+
+/* write mii register 'reg' at 'phy' (-1 meaning any/currently active)
+ * RETURNS 0 on success, -1 otherwise (e.g., illegal phy)
+ */
+typedef int (*rtems_mdio_write_func) (int phy, void *uarg, unsigned reg,
+                                      uint32_t val);
+
+/* Values to this must be provided by the driver */
+struct rtems_mdio_info {
+  rtems_mdio_read_func mdio_r;
+  rtems_mdio_write_func mdio_w;
+  unsigned has_gmii:1;          /* supports gigabit */
+};
+
+/* Implement SIOCSIFMEDIA/SIOCGIFMEDIA; get/set the current media word. Note
+ * that this does NOT implement the full BSD 'ifmedia' API; also, it only
+ * implements IFM_ETHER...
+ *
+ * INPUT:
+ *    SIOCGIFMEDIA: the media word must set the phy instance (-1 for 'any')
+ *
+ */
+int
+rtems_mii_ioctl (struct rtems_mdio_info *info, void *uarg, uint32_t cmd,
+                 int *media);
+
+#endif
+
+/* The driver flags have the following meaning (SIOCGIFMEDIA only):
+ */
+#define IFM_LINK_OK		IFM_FLAG0
+#define IFM_ANEG_DIS	IFM_FLAG1       /* autoneg. disabled; media forced */
+
+/* convert a media word to a string;
+ *
+ * RETURNS: number of characters written to 'buf'
+ *
+ * INPUT:   if 'bufsz' is set to IFMEDIA2STR_PRINT_TO_FILE, 'buf' can be a FILE
+ *          pointer where the info is printed insted. This can be NULL in which
+ *          case 'stdout' is used.
+ */
+
+#define IFMEDIA2STR_PRINT_TO_FILE	0
+
+int rtems_ifmedia2str (int media, char *buf, int bufsz);
+
+/* convert a string to a media word
+ * RETURNS: 0 on failure (unrecognized or invalid mode);
+ *          valid results have always at least IFM_ETHER set.
+ *
+ * In addition to IFM_SUBTYPE_ETHERNET_DESCRIPTIONS and
+ * IFM_SUBTYPE_ETHERNET_ALIASES, the strings
+ *
+ *  '10' [ '0' [ '0' ]] 'b' [ 'ase' ] ( 't' | 'T' )
+ *           (* if 100bT [ 'x' | 'X' ] is required here *)
+ *
+ * are recognized (e.g., 10bT, 100bTX)
+ *
+ * if any of the strings 'full' or 'FDX' or 'fdx' is present, a full-duplex mode
+ * is selected (half-duplex otherwise).
+ *  e.g., '100bTx-full'
+ */
+
+int rtems_str2ifmedia (const char *str, int phy);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif