static int tenxpress_phy_reconfigure(struct efx_nic *efx)
{
struct tenxpress_phy_data *phy_data = efx->phy_data;
bool phy_mode_change, loop_reset;
if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) {
phy_data->phy_mode = efx->phy_mode;
return 0;
}
phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
phy_data->phy_mode != PHY_MODE_NORMAL);
loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, LOOPBACKS_EXTERNAL(efx)) ||
LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
if (loop_reset || phy_mode_change) {
tenxpress_special_reset(efx);
falcon_reset_xaui(efx);
}
tenxpress_low_power(efx);
efx_mdio_transmit_disable(efx);
efx_mdio_phy_reconfigure(efx);
tenxpress_ext_loopback(efx);
efx_mdio_an_reconfigure(efx);
phy_data->loopback_mode = efx->loopback_mode;
phy_data->phy_mode = efx->phy_mode;
return 0;
}
/* Try to bring up the Falcon side of the Falcon-Phy XAUI link */
static bool falcon_xmac_link_ok_retry(struct efx_nic *efx, int tries)
{
bool mac_up = falcon_xmac_link_ok(efx);
if (LOOPBACK_MASK(efx) & LOOPBACKS_EXTERNAL(efx) & LOOPBACKS_WS ||
efx_phy_mode_disabled(efx->phy_mode))
/* XAUI link is expected to be down */
return mac_up;
falcon_stop_nic_stats(efx);
while (!mac_up && tries) {
EFX_LOG(efx, "bashing xaui\n");
falcon_reset_xaui(efx);
udelay(200);
mac_up = falcon_xmac_link_ok(efx);
--tries;
}
falcon_start_nic_stats(efx);
return mac_up;
}
static int tenxpress_phy_reconfigure(struct efx_nic *efx)
{
struct tenxpress_phy_data *phy_data = efx->phy_data;
bool phy_mode_change, loop_reset;
if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) {
phy_data->phy_mode = efx->phy_mode;
return 0;
}
phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
phy_data->phy_mode != PHY_MODE_NORMAL);
loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, LOOPBACKS_EXTERNAL(efx)) ||
LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
if (loop_reset || phy_mode_change) {
tenxpress_special_reset(efx);
/* Reset XAUI if we were in 10G, and are staying
* in 10G. If we're moving into and out of 10G
* then xaui will be reset anyway */
if (EFX_IS10G(efx))
falcon_reset_xaui(efx);
}
tenxpress_low_power(efx);
efx_mdio_transmit_disable(efx);
efx_mdio_phy_reconfigure(efx);
tenxpress_ext_loopback(efx);
efx_mdio_an_reconfigure(efx);
phy_data->loopback_mode = efx->loopback_mode;
phy_data->phy_mode = efx->phy_mode;
return 0;
}
