drivers/net/ethernet/sfc/ef100_ethtool.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /****************************************************************************
   3  * Driver for Solarflare network controllers and boards
   4  * Copyright 2018 Solarflare Communications Inc.
   5  * Copyright 2019-2020 Xilinx Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published
   9  * by the Free Software Foundation, incorporated herein by reference.
  10  */
  11 #include <linux/module.h>
  12 #include <linux/netdevice.h>
  13 #include "net_driver.h"
  14 #include "efx.h"
  15 #include "mcdi_port_common.h"
  16 #include "ethtool_common.h"
  17 #include "ef100_ethtool.h"
  18 #include "mcdi_functions.h"
  19
  20 /* This is the maximum number of descriptor rings supported by the QDMA */
  21 #define EFX_EF100_MAX_DMAQ_SIZE 16384UL
  22
  23 static void
  24 ef100_ethtool_get_ringparam(struct net_device *net_dev,
  25                             struct ethtool_ringparam *ring,
  26                             struct kernel_ethtool_ringparam *kernel_ring,
  27                             struct netlink_ext_ack *extack)
  28 {
  29         struct efx_nic *efx = efx_netdev_priv(net_dev);
  30
  31         ring->rx_max_pending = EFX_EF100_MAX_DMAQ_SIZE;
  32         ring->tx_max_pending = EFX_EF100_MAX_DMAQ_SIZE;
  33         ring->rx_pending = efx->rxq_entries;
  34         ring->tx_pending = efx->txq_entries;
  35 }
  36
  37 /*      Ethtool options available
  38  */
  39 const struct ethtool_ops ef100_ethtool_ops = {
  40         .get_drvinfo            = efx_ethtool_get_drvinfo,
  41         .get_msglevel           = efx_ethtool_get_msglevel,
  42         .set_msglevel           = efx_ethtool_set_msglevel,
  43         .get_pauseparam         = efx_ethtool_get_pauseparam,
  44         .set_pauseparam         = efx_ethtool_set_pauseparam,
  45         .get_sset_count         = efx_ethtool_get_sset_count,
  46         .self_test              = efx_ethtool_self_test,
  47         .get_strings            = efx_ethtool_get_strings,
  48         .get_link_ksettings     = efx_ethtool_get_link_ksettings,
  49         .set_link_ksettings     = efx_ethtool_set_link_ksettings,
  50         .get_link               = ethtool_op_get_link,
  51         .get_ringparam          = ef100_ethtool_get_ringparam,
  52         .get_fecparam           = efx_ethtool_get_fecparam,
  53         .set_fecparam           = efx_ethtool_set_fecparam,
  54         .get_ethtool_stats      = efx_ethtool_get_stats,
  55         .get_rxnfc              = efx_ethtool_get_rxnfc,
  56         .set_rxnfc              = efx_ethtool_set_rxnfc,
  57         .reset                  = efx_ethtool_reset,
  58
  59         .get_rxfh_indir_size    = efx_ethtool_get_rxfh_indir_size,
  60         .get_rxfh_key_size      = efx_ethtool_get_rxfh_key_size,
  61         .get_rxfh               = efx_ethtool_get_rxfh,
  62         .set_rxfh               = efx_ethtool_set_rxfh,
  63         .get_rxfh_context       = efx_ethtool_get_rxfh_context,
  64         .set_rxfh_context       = efx_ethtool_set_rxfh_context,
  65
  66         .get_module_info        = efx_ethtool_get_module_info,
  67         .get_module_eeprom      = efx_ethtool_get_module_eeprom,
  68 };