linux/drivers/net/ethernet/sfc/falcon/mdio_10g.c

// SPDX-License-Identifier: GPL-2.0-only
/****************************************************************************
 * Driver for Solarflare network controllers and boards
 * Copyright 2006-2011 Solarflare Communications Inc.
 */
/*
 * Useful functions for working with MDIO clause 45 PHYs
 */
#include <linux/types.h>
#include <linux/ethtool.h>
#include <linux/delay.h>
#include "net_driver.h"
#include "mdio_10g.h"
#include "workarounds.h"

unsigned ef4_mdio_id_oui(u32 id)
{ … }

int ef4_mdio_reset_mmd(struct ef4_nic *port, int mmd,
			    int spins, int spintime)
{ … }

static int ef4_mdio_check_mmd(struct ef4_nic *efx, int mmd)
{ … }

/* This ought to be ridiculous overkill. We expect it to fail rarely */
#define MDIO45_RESET_TIME …
#define MDIO45_RESET_ITERS …

int ef4_mdio_wait_reset_mmds(struct ef4_nic *efx, unsigned int mmd_mask)
{ … }

int ef4_mdio_check_mmds(struct ef4_nic *efx, unsigned int mmd_mask)
{ … }

bool ef4_mdio_links_ok(struct ef4_nic *efx, unsigned int mmd_mask)
{ … }

void ef4_mdio_transmit_disable(struct ef4_nic *efx)
{ … }

void ef4_mdio_phy_reconfigure(struct ef4_nic *efx)
{ … }

static void ef4_mdio_set_mmd_lpower(struct ef4_nic *efx,
				    int lpower, int mmd)
{ … }

void ef4_mdio_set_mmds_lpower(struct ef4_nic *efx,
			      int low_power, unsigned int mmd_mask)
{ … }

/**
 * ef4_mdio_set_link_ksettings - Set (some of) the PHY settings over MDIO.
 * @efx:		Efx NIC
 * @cmd:		New settings
 */
int ef4_mdio_set_link_ksettings(struct ef4_nic *efx,
				const struct ethtool_link_ksettings *cmd)
{ … }

/**
 * ef4_mdio_an_reconfigure - Push advertising flags and restart autonegotiation
 * @efx:		Efx NIC
 */
void ef4_mdio_an_reconfigure(struct ef4_nic *efx)
{ … }

u8 ef4_mdio_get_pause(struct ef4_nic *efx)
{ … }

int ef4_mdio_test_alive(struct ef4_nic *efx)
{ … }