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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*/
/* File aq_main.c: Main file for aQuantia Linux driver. */
#include "aq_main.h"
#include "aq_nic.h"
#include "aq_pci_func.h"
#include "aq_ethtool.h"
#include "aq_filters.h"
#include <linux/netdevice.h>
#include <linux/module.h>
MODULE_LICENSE("GPL v2");
MODULE_VERSION(AQ_CFG_DRV_VERSION);
MODULE_AUTHOR(AQ_CFG_DRV_AUTHOR);
MODULE_DESCRIPTION(AQ_CFG_DRV_DESC);
static const struct net_device_ops aq_ndev_ops;
struct net_device *aq_ndev_alloc(void)
{
struct net_device *ndev = NULL;
struct aq_nic_s *aq_nic = NULL;
ndev = alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
if (!ndev)
return NULL;
aq_nic = netdev_priv(ndev);
aq_nic->ndev = ndev;
ndev->netdev_ops = &aq_ndev_ops;
ndev->ethtool_ops = &aq_ethtool_ops;
return ndev;
}
static int aq_ndev_open(struct net_device *ndev)
{
int err = 0;
struct aq_nic_s *aq_nic = netdev_priv(ndev);
err = aq_nic_init(aq_nic);
if (err < 0)
goto err_exit;
err = aq_reapply_rxnfc_all_rules(aq_nic);
if (err < 0)
goto err_exit;
err = aq_nic_start(aq_nic);
if (err < 0)
goto err_exit;
err_exit:
if (err < 0)
aq_nic_deinit(aq_nic);
return err;
}
static int aq_ndev_close(struct net_device *ndev)
{
int err = 0;
struct aq_nic_s *aq_nic = netdev_priv(ndev);
err = aq_nic_stop(aq_nic);
if (err < 0)
goto err_exit;
aq_nic_deinit(aq_nic);
err_exit:
return err;
}
static int aq_ndev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
return aq_nic_xmit(aq_nic, skb);
}
static int aq_ndev_change_mtu(struct net_device *ndev, int new_mtu)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
int err = aq_nic_set_mtu(aq_nic, new_mtu + ETH_HLEN);
if (err < 0)
goto err_exit;
ndev->mtu = new_mtu;
err_exit:
return err;
}
static int aq_ndev_set_features(struct net_device *ndev,
netdev_features_t features)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
struct aq_nic_cfg_s *aq_cfg = aq_nic_get_cfg(aq_nic);
bool is_lro = false;
int err = 0;
if (!(features & NETIF_F_NTUPLE)) {
if (aq_nic->ndev->features & NETIF_F_NTUPLE) {
err = aq_clear_rxnfc_all_rules(aq_nic);
if (unlikely(err))
goto err_exit;
}
}
if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER)) {
if (aq_nic->ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) {
err = aq_filters_vlan_offload_off(aq_nic);
if (unlikely(err))
goto err_exit;
}
}
aq_cfg->features = features;
if (aq_cfg->aq_hw_caps->hw_features & NETIF_F_LRO) {
is_lro = features & NETIF_F_LRO;
if (aq_cfg->is_lro != is_lro) {
aq_cfg->is_lro = is_lro;
if (netif_running(ndev)) {
aq_ndev_close(ndev);
aq_ndev_open(ndev);
}
}
}
if ((aq_nic->ndev->features ^ features) & NETIF_F_RXCSUM)
err = aq_nic->aq_hw_ops->hw_set_offload(aq_nic->aq_hw,
aq_cfg);
err_exit:
return err;
}
static int aq_ndev_set_mac_address(struct net_device *ndev, void *addr)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
int err = 0;
err = eth_mac_addr(ndev, addr);
if (err < 0)
goto err_exit;
err = aq_nic_set_mac(aq_nic, ndev);
if (err < 0)
goto err_exit;
err_exit:
return err;
}
static void aq_ndev_set_multicast_settings(struct net_device *ndev)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
aq_nic_set_packet_filter(aq_nic, ndev->flags);
aq_nic_set_multicast_list(aq_nic, ndev);
}
static int aq_ndo_vlan_rx_add_vid(struct net_device *ndev, __be16 proto,
u16 vid)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
if (!aq_nic->aq_hw_ops->hw_filter_vlan_set)
return -EOPNOTSUPP;
set_bit(vid, aq_nic->active_vlans);
return aq_filters_vlans_update(aq_nic);
}
static int aq_ndo_vlan_rx_kill_vid(struct net_device *ndev, __be16 proto,
u16 vid)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
if (!aq_nic->aq_hw_ops->hw_filter_vlan_set)
return -EOPNOTSUPP;
clear_bit(vid, aq_nic->active_vlans);
if (-ENOENT == aq_del_fvlan_by_vlan(aq_nic, vid))
return aq_filters_vlans_update(aq_nic);
return 0;
}
static const struct net_device_ops aq_ndev_ops = {
.ndo_open = aq_ndev_open,
.ndo_stop = aq_ndev_close,
.ndo_start_xmit = aq_ndev_start_xmit,
.ndo_set_rx_mode = aq_ndev_set_multicast_settings,
.ndo_change_mtu = aq_ndev_change_mtu,
.ndo_set_mac_address = aq_ndev_set_mac_address,
.ndo_set_features = aq_ndev_set_features,
.ndo_vlan_rx_add_vid = aq_ndo_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = aq_ndo_vlan_rx_kill_vid,
};
|
