コード例 #1
0
bool falcon_xaui_link_ok(struct efx_nic *efx)
{
	efx_oword_t reg;
	bool align_done, link_ok = false;
	int sync_status;

	if (LOOPBACK_INTERNAL(efx))
		return true;

	
	falcon_read(efx, &reg, XX_CORE_STAT_REG);

	align_done = EFX_OWORD_FIELD(reg, XX_ALIGN_DONE);
	sync_status = EFX_OWORD_FIELD(reg, XX_SYNC_STAT);
	if (align_done && (sync_status == XX_SYNC_STAT_DECODE_SYNCED))
		link_ok = true;

	
	EFX_SET_OWORD_FIELD(reg, XX_COMMA_DET, XX_COMMA_DET_RESET);
	EFX_SET_OWORD_FIELD(reg, XX_CHARERR, XX_CHARERR_RESET);
	EFX_SET_OWORD_FIELD(reg, XX_DISPERR, XX_DISPERR_RESET);
	falcon_write(efx, &reg, XX_CORE_STAT_REG);

	
	if (efx->link_up && link_ok)
		if (efx->phy_op->mmds & (1 << MDIO_MMD_PHYXS))
			link_ok = efx_mdio_phyxgxs_lane_sync(efx);

	return link_ok;
}
コード例 #2
0
static bool falcon_xmac_link_ok(struct efx_nic *efx)
{
	/*
	 * Check MAC's XGXS link status except when using XGMII loopback
	 * which bypasses the XGXS block.
	 * If possible, check PHY's XGXS link status except when using
	 * MAC loopback.
	 */
	return (efx->loopback_mode == LOOPBACK_XGMII ||
		falcon_xgxs_link_ok(efx)) &&
		(!(efx->mdio.mmds & (1 << MDIO_MMD_PHYXS)) ||
		 LOOPBACK_INTERNAL(efx) || 
		 efx_mdio_phyxgxs_lane_sync(efx));
}