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 ef100_ethtool_get_ringparam(struct net_device *net_dev,
24 					struct ethtool_ringparam *ring)
25 {
26 	struct efx_nic *efx = netdev_priv(net_dev);
27 
28 	ring->rx_max_pending = EFX_EF100_MAX_DMAQ_SIZE;
29 	ring->tx_max_pending = EFX_EF100_MAX_DMAQ_SIZE;
30 	ring->rx_pending = efx->rxq_entries;
31 	ring->tx_pending = efx->txq_entries;
32 }
33 
34 /*	Ethtool options available
35  */
36 const struct ethtool_ops ef100_ethtool_ops = {
37 	.get_drvinfo		= efx_ethtool_get_drvinfo,
38 	.get_msglevel		= efx_ethtool_get_msglevel,
39 	.set_msglevel		= efx_ethtool_set_msglevel,
40 	.get_pauseparam         = efx_ethtool_get_pauseparam,
41 	.set_pauseparam         = efx_ethtool_set_pauseparam,
42 	.get_sset_count		= efx_ethtool_get_sset_count,
43 	.self_test		= efx_ethtool_self_test,
44 	.get_strings		= efx_ethtool_get_strings,
45 	.get_link_ksettings	= efx_ethtool_get_link_ksettings,
46 	.set_link_ksettings	= efx_ethtool_set_link_ksettings,
47 	.get_link		= ethtool_op_get_link,
48 	.get_ringparam		= ef100_ethtool_get_ringparam,
49 	.get_fecparam		= efx_ethtool_get_fecparam,
50 	.set_fecparam		= efx_ethtool_set_fecparam,
51 	.get_ethtool_stats	= efx_ethtool_get_stats,
52 	.get_rxnfc              = efx_ethtool_get_rxnfc,
53 	.set_rxnfc              = efx_ethtool_set_rxnfc,
54 	.reset                  = efx_ethtool_reset,
55 
56 	.get_rxfh_indir_size	= efx_ethtool_get_rxfh_indir_size,
57 	.get_rxfh_key_size	= efx_ethtool_get_rxfh_key_size,
58 	.get_rxfh		= efx_ethtool_get_rxfh,
59 	.set_rxfh		= efx_ethtool_set_rxfh,
60 	.get_rxfh_context	= efx_ethtool_get_rxfh_context,
61 	.set_rxfh_context	= efx_ethtool_set_rxfh_context,
62 
63 	.get_module_info	= efx_ethtool_get_module_info,
64 	.get_module_eeprom	= efx_ethtool_get_module_eeprom,
65 };
66