// SPDX-License-Identifier: GPL-2.0-only
/****************************************************************************
 * Driver for Solarflare network controllers and boards
 * Copyright 2018 Solarflare Communications Inc.
 * Copyright 2019-2020 Xilinx 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.
 */
#include <linux/module.h>
#include <linux/netdevice.h>
#include "net_driver.h"
#include "efx.h"
#include "mcdi_port_common.h"
#include "ethtool_common.h"
#include "ef100_ethtool.h"
#include "mcdi_functions.h"

/* This is the maximum number of descriptor rings supported by the QDMA */
#define EFX_EF100_MAX_DMAQ_SIZE 16384UL

static void
ef100_ethtool_get_ringparam(struct net_device *net_dev,
                            struct ethtool_ringparam *ring,
                            struct kernel_ethtool_ringparam *kernel_ring,
                            struct netlink_ext_ack *extack)
{
        struct efx_nic *efx = efx_netdev_priv(net_dev);

        ring->rx_max_pending = EFX_EF100_MAX_DMAQ_SIZE;
        ring->tx_max_pending = EFX_EF100_MAX_DMAQ_SIZE;
        ring->rx_pending = efx->rxq_entries;
        ring->tx_pending = efx->txq_entries;
}

/*      Ethtool options available
 */
const struct ethtool_ops ef100_ethtool_ops = {
        .get_drvinfo            = efx_ethtool_get_drvinfo,
        .get_msglevel           = efx_ethtool_get_msglevel,
        .set_msglevel           = efx_ethtool_set_msglevel,
        .get_pauseparam         = efx_ethtool_get_pauseparam,
        .set_pauseparam         = efx_ethtool_set_pauseparam,
        .get_sset_count         = efx_ethtool_get_sset_count,
        .self_test              = efx_ethtool_self_test,
        .get_strings            = efx_ethtool_get_strings,
        .get_link_ksettings     = efx_ethtool_get_link_ksettings,
        .set_link_ksettings     = efx_ethtool_set_link_ksettings,
        .get_link               = ethtool_op_get_link,
        .get_ringparam          = ef100_ethtool_get_ringparam,
        .get_fecparam           = efx_ethtool_get_fecparam,
        .set_fecparam           = efx_ethtool_set_fecparam,
        .get_ethtool_stats      = efx_ethtool_get_stats,
        .get_rxnfc              = efx_ethtool_get_rxnfc,
        .set_rxnfc              = efx_ethtool_set_rxnfc,
        .get_rx_ring_count      = efx_ethtool_get_rx_ring_count,
        .reset                  = efx_ethtool_reset,

        .get_rxfh_indir_size    = efx_ethtool_get_rxfh_indir_size,
        .get_rxfh_key_size      = efx_ethtool_get_rxfh_key_size,
        .rxfh_per_ctx_key       = true,
        .cap_rss_rxnfc_adds     = true,
        .rxfh_priv_size         = sizeof(struct efx_rss_context_priv),
        .get_rxfh               = efx_ethtool_get_rxfh,
        .set_rxfh               = efx_ethtool_set_rxfh,
        .create_rxfh_context    = efx_ethtool_create_rxfh_context,
        .modify_rxfh_context    = efx_ethtool_modify_rxfh_context,
        .remove_rxfh_context    = efx_ethtool_remove_rxfh_context,

        .get_module_info        = efx_ethtool_get_module_info,
        .get_module_eeprom      = efx_ethtool_get_module_eeprom,
};