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