summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
blob: e868f7ef492032ef5439a3d0fa530b2877bc370c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2015 - 2023 Beijing WangXun Technology Co., Ltd. */

#include <linux/pci.h>
#include <linux/phy.h>
#include <linux/netdevice.h>

#include "../libwx/wx_ethtool.h"
#include "../libwx/wx_type.h"
#include "../libwx/wx_lib.h"
#include "../libwx/wx_hw.h"
#include "ngbe_ethtool.h"
#include "ngbe_type.h"

static void ngbe_get_wol(struct net_device *netdev,
			 struct ethtool_wolinfo *wol)
{
	struct wx *wx = netdev_priv(netdev);

	if (!wx->wol_hw_supported)
		return;
	wol->supported = WAKE_MAGIC;
	wol->wolopts = 0;
	if (wx->wol & WX_PSR_WKUP_CTL_MAG)
		wol->wolopts |= WAKE_MAGIC;
}

static int ngbe_set_wol(struct net_device *netdev,
			struct ethtool_wolinfo *wol)
{
	struct wx *wx = netdev_priv(netdev);
	struct pci_dev *pdev = wx->pdev;

	if (!wx->wol_hw_supported)
		return -EOPNOTSUPP;

	wx->wol = 0;
	if (wol->wolopts & WAKE_MAGIC)
		wx->wol = WX_PSR_WKUP_CTL_MAG;
	netdev->ethtool->wol_enabled = !!(wx->wol);
	wr32(wx, WX_PSR_WKUP_CTL, wx->wol);
	device_set_wakeup_enable(&pdev->dev, netdev->ethtool->wol_enabled);

	return 0;
}

static int ngbe_set_ringparam(struct net_device *netdev,
			      struct ethtool_ringparam *ring,
			      struct kernel_ethtool_ringparam *kernel_ring,
			      struct netlink_ext_ack *extack)
{
	struct wx *wx = netdev_priv(netdev);
	u32 new_rx_count, new_tx_count;
	struct wx_ring *temp_ring;
	int i, err = 0;

	new_tx_count = clamp_t(u32, ring->tx_pending, WX_MIN_TXD, WX_MAX_TXD);
	new_tx_count = ALIGN(new_tx_count, WX_REQ_TX_DESCRIPTOR_MULTIPLE);

	new_rx_count = clamp_t(u32, ring->rx_pending, WX_MIN_RXD, WX_MAX_RXD);
	new_rx_count = ALIGN(new_rx_count, WX_REQ_RX_DESCRIPTOR_MULTIPLE);

	if (new_tx_count == wx->tx_ring_count &&
	    new_rx_count == wx->rx_ring_count)
		return 0;

	err = wx_set_state_reset(wx);
	if (err)
		return err;

	if (!netif_running(wx->netdev)) {
		for (i = 0; i < wx->num_tx_queues; i++)
			wx->tx_ring[i]->count = new_tx_count;
		for (i = 0; i < wx->num_rx_queues; i++)
			wx->rx_ring[i]->count = new_rx_count;
		wx->tx_ring_count = new_tx_count;
		wx->rx_ring_count = new_rx_count;

		goto clear_reset;
	}

	/* allocate temporary buffer to store rings in */
	i = max_t(int, wx->num_tx_queues, wx->num_rx_queues);
	temp_ring = kvmalloc_array(i, sizeof(struct wx_ring), GFP_KERNEL);
	if (!temp_ring) {
		err = -ENOMEM;
		goto clear_reset;
	}

	ngbe_down(wx);

	wx_set_ring(wx, new_tx_count, new_rx_count, temp_ring);
	kvfree(temp_ring);

	wx_configure(wx);
	ngbe_up(wx);

clear_reset:
	clear_bit(WX_STATE_RESETTING, wx->state);
	return err;
}

static int ngbe_set_channels(struct net_device *dev,
			     struct ethtool_channels *ch)
{
	int err;

	err = wx_set_channels(dev, ch);
	if (err < 0)
		return err;

	/* use setup TC to update any traffic class queue mapping */
	return ngbe_setup_tc(dev, netdev_get_num_tc(dev));
}

static const struct ethtool_ops ngbe_ethtool_ops = {
	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
				     ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ,
	.get_drvinfo		= wx_get_drvinfo,
	.get_link		= ethtool_op_get_link,
	.get_link_ksettings	= wx_get_link_ksettings,
	.set_link_ksettings	= wx_set_link_ksettings,
	.nway_reset		= wx_nway_reset,
	.get_wol		= ngbe_get_wol,
	.set_wol		= ngbe_set_wol,
	.get_sset_count		= wx_get_sset_count,
	.get_strings		= wx_get_strings,
	.get_ethtool_stats	= wx_get_ethtool_stats,
	.get_eth_mac_stats	= wx_get_mac_stats,
	.get_pause_stats	= wx_get_pause_stats,
	.get_pauseparam		= wx_get_pauseparam,
	.set_pauseparam		= wx_set_pauseparam,
	.get_ringparam		= wx_get_ringparam,
	.set_ringparam		= ngbe_set_ringparam,
	.get_coalesce		= wx_get_coalesce,
	.set_coalesce		= wx_set_coalesce,
	.get_channels		= wx_get_channels,
	.set_channels		= ngbe_set_channels,
	.get_msglevel		= wx_get_msglevel,
	.set_msglevel		= wx_set_msglevel,
};

void ngbe_set_ethtool_ops(struct net_device *netdev)
{
	netdev->ethtool_ops = &ngbe_ethtool_ops;
}