linux/drivers/net/sfc/phy.h
stephen hemminger 6c8c2513c8 sfc: make function tables const
The phy, mac, and board information structures should be const.
Since tables contain function pointer this improves security
(at least theoretically).

Compile tested only.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-14 21:53:42 -07:00

68 lines
2.5 KiB
C

/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2007-2010 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#ifndef EFX_PHY_H
#define EFX_PHY_H
/****************************************************************************
* 10Xpress (SFX7101) PHY
*/
extern const struct efx_phy_operations falcon_sfx7101_phy_ops;
extern void tenxpress_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
/****************************************************************************
* AMCC/Quake QT202x PHYs
*/
extern const struct efx_phy_operations falcon_qt202x_phy_ops;
/* These PHYs provide various H/W control states for LEDs */
#define QUAKE_LED_LINK_INVAL (0)
#define QUAKE_LED_LINK_STAT (1)
#define QUAKE_LED_LINK_ACT (2)
#define QUAKE_LED_LINK_ACTSTAT (3)
#define QUAKE_LED_OFF (4)
#define QUAKE_LED_ON (5)
#define QUAKE_LED_LINK_INPUT (6) /* Pin is an input. */
/* What link the LED tracks */
#define QUAKE_LED_TXLINK (0)
#define QUAKE_LED_RXLINK (8)
extern void falcon_qt202x_set_led(struct efx_nic *p, int led, int state);
/****************************************************************************
* Transwitch CX4 retimer
*/
extern const struct efx_phy_operations falcon_txc_phy_ops;
#define TXC_GPIO_DIR_INPUT 0
#define TXC_GPIO_DIR_OUTPUT 1
extern void falcon_txc_set_gpio_dir(struct efx_nic *efx, int pin, int dir);
extern void falcon_txc_set_gpio_val(struct efx_nic *efx, int pin, int val);
/****************************************************************************
* Siena managed PHYs
*/
extern const struct efx_phy_operations efx_mcdi_phy_ops;
extern int efx_mcdi_mdio_read(struct efx_nic *efx, unsigned int bus,
unsigned int prtad, unsigned int devad,
u16 addr, u16 *value_out, u32 *status_out);
extern int efx_mcdi_mdio_write(struct efx_nic *efx, unsigned int bus,
unsigned int prtad, unsigned int devad,
u16 addr, u16 value, u32 *status_out);
extern void efx_mcdi_phy_decode_link(struct efx_nic *efx,
struct efx_link_state *link_state,
u32 speed, u32 flags, u32 fcntl);
extern int efx_mcdi_phy_reconfigure(struct efx_nic *efx);
extern void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa);
#endif