1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved. |
4 | * |
5 | * Derived from Intel e1000 driver |
6 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. |
7 | */ |
8 | |
9 | #include <linux/netdevice.h> |
10 | #include <linux/ethtool.h> |
11 | #include <linux/slab.h> |
12 | |
13 | #include "atl1c.h" |
14 | |
15 | static int atl1c_get_link_ksettings(struct net_device *netdev, |
16 | struct ethtool_link_ksettings *cmd) |
17 | { |
18 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
19 | struct atl1c_hw *hw = &adapter->hw; |
20 | u32 supported, advertising; |
21 | |
22 | supported = (SUPPORTED_10baseT_Half | |
23 | SUPPORTED_10baseT_Full | |
24 | SUPPORTED_100baseT_Half | |
25 | SUPPORTED_100baseT_Full | |
26 | SUPPORTED_Autoneg | |
27 | SUPPORTED_TP); |
28 | if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M) |
29 | supported |= SUPPORTED_1000baseT_Full; |
30 | |
31 | advertising = ADVERTISED_TP; |
32 | |
33 | advertising |= hw->autoneg_advertised; |
34 | |
35 | cmd->base.port = PORT_TP; |
36 | cmd->base.phy_address = 0; |
37 | |
38 | if (adapter->link_speed != SPEED_0) { |
39 | cmd->base.speed = adapter->link_speed; |
40 | if (adapter->link_duplex == FULL_DUPLEX) |
41 | cmd->base.duplex = DUPLEX_FULL; |
42 | else |
43 | cmd->base.duplex = DUPLEX_HALF; |
44 | } else { |
45 | cmd->base.speed = SPEED_UNKNOWN; |
46 | cmd->base.duplex = DUPLEX_UNKNOWN; |
47 | } |
48 | |
49 | cmd->base.autoneg = AUTONEG_ENABLE; |
50 | |
51 | ethtool_convert_legacy_u32_to_link_mode(dst: cmd->link_modes.supported, |
52 | legacy_u32: supported); |
53 | ethtool_convert_legacy_u32_to_link_mode(dst: cmd->link_modes.advertising, |
54 | legacy_u32: advertising); |
55 | |
56 | return 0; |
57 | } |
58 | |
59 | static int atl1c_set_link_ksettings(struct net_device *netdev, |
60 | const struct ethtool_link_ksettings *cmd) |
61 | { |
62 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
63 | struct atl1c_hw *hw = &adapter->hw; |
64 | u16 autoneg_advertised; |
65 | |
66 | while (test_and_set_bit(__AT_RESETTING, addr: &adapter->flags)) |
67 | msleep(msecs: 1); |
68 | |
69 | if (cmd->base.autoneg == AUTONEG_ENABLE) { |
70 | autoneg_advertised = ADVERTISED_Autoneg; |
71 | } else { |
72 | u32 speed = cmd->base.speed; |
73 | if (speed == SPEED_1000) { |
74 | if (cmd->base.duplex != DUPLEX_FULL) { |
75 | if (netif_msg_link(adapter)) |
76 | dev_warn(&adapter->pdev->dev, |
77 | "1000M half is invalid\n" ); |
78 | clear_bit(__AT_RESETTING, addr: &adapter->flags); |
79 | return -EINVAL; |
80 | } |
81 | autoneg_advertised = ADVERTISED_1000baseT_Full; |
82 | } else if (speed == SPEED_100) { |
83 | if (cmd->base.duplex == DUPLEX_FULL) |
84 | autoneg_advertised = ADVERTISED_100baseT_Full; |
85 | else |
86 | autoneg_advertised = ADVERTISED_100baseT_Half; |
87 | } else { |
88 | if (cmd->base.duplex == DUPLEX_FULL) |
89 | autoneg_advertised = ADVERTISED_10baseT_Full; |
90 | else |
91 | autoneg_advertised = ADVERTISED_10baseT_Half; |
92 | } |
93 | } |
94 | |
95 | if (hw->autoneg_advertised != autoneg_advertised) { |
96 | hw->autoneg_advertised = autoneg_advertised; |
97 | if (atl1c_restart_autoneg(hw) != 0) { |
98 | if (netif_msg_link(adapter)) |
99 | dev_warn(&adapter->pdev->dev, |
100 | "ethtool speed/duplex setting failed\n" ); |
101 | clear_bit(__AT_RESETTING, addr: &adapter->flags); |
102 | return -EINVAL; |
103 | } |
104 | } |
105 | clear_bit(__AT_RESETTING, addr: &adapter->flags); |
106 | return 0; |
107 | } |
108 | |
109 | static u32 atl1c_get_msglevel(struct net_device *netdev) |
110 | { |
111 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
112 | return adapter->msg_enable; |
113 | } |
114 | |
115 | static void atl1c_set_msglevel(struct net_device *netdev, u32 data) |
116 | { |
117 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
118 | adapter->msg_enable = data; |
119 | } |
120 | |
121 | static int atl1c_get_regs_len(struct net_device *netdev) |
122 | { |
123 | return AT_REGS_LEN; |
124 | } |
125 | |
126 | static void atl1c_get_regs(struct net_device *netdev, |
127 | struct ethtool_regs *regs, void *p) |
128 | { |
129 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
130 | struct atl1c_hw *hw = &adapter->hw; |
131 | u32 *regs_buff = p; |
132 | u16 phy_data; |
133 | |
134 | memset(p, 0, AT_REGS_LEN); |
135 | |
136 | regs->version = 1; |
137 | AT_READ_REG(hw, REG_PM_CTRL, p++); |
138 | AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++); |
139 | AT_READ_REG(hw, REG_TWSI_CTRL, p++); |
140 | AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++); |
141 | AT_READ_REG(hw, REG_MASTER_CTRL, p++); |
142 | AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++); |
143 | AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++); |
144 | AT_READ_REG(hw, REG_GPHY_CTRL, p++); |
145 | AT_READ_REG(hw, REG_LINK_CTRL, p++); |
146 | AT_READ_REG(hw, REG_IDLE_STATUS, p++); |
147 | AT_READ_REG(hw, REG_MDIO_CTRL, p++); |
148 | AT_READ_REG(hw, REG_SERDES, p++); |
149 | AT_READ_REG(hw, REG_MAC_CTRL, p++); |
150 | AT_READ_REG(hw, REG_MAC_IPG_IFG, p++); |
151 | AT_READ_REG(hw, REG_MAC_STA_ADDR, p++); |
152 | AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++); |
153 | AT_READ_REG(hw, REG_RX_HASH_TABLE, p++); |
154 | AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++); |
155 | AT_READ_REG(hw, REG_RXQ_CTRL, p++); |
156 | AT_READ_REG(hw, REG_TXQ_CTRL, p++); |
157 | AT_READ_REG(hw, REG_MTU, p++); |
158 | AT_READ_REG(hw, REG_WOL_CTRL, p++); |
159 | |
160 | atl1c_read_phy_reg(hw, MII_BMCR, phy_data: &phy_data); |
161 | regs_buff[AT_REGS_LEN/sizeof(u32) - 2] = (u32) phy_data; |
162 | atl1c_read_phy_reg(hw, MII_BMSR, phy_data: &phy_data); |
163 | regs_buff[AT_REGS_LEN/sizeof(u32) - 1] = (u32) phy_data; |
164 | } |
165 | |
166 | static int atl1c_get_eeprom_len(struct net_device *netdev) |
167 | { |
168 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
169 | |
170 | if (atl1c_check_eeprom_exist(hw: &adapter->hw)) |
171 | return AT_EEPROM_LEN; |
172 | else |
173 | return 0; |
174 | } |
175 | |
176 | static int atl1c_get_eeprom(struct net_device *netdev, |
177 | struct ethtool_eeprom *eeprom, u8 *bytes) |
178 | { |
179 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
180 | struct atl1c_hw *hw = &adapter->hw; |
181 | u32 *eeprom_buff; |
182 | int first_dword, last_dword; |
183 | int ret_val = 0; |
184 | int i; |
185 | |
186 | if (eeprom->len == 0) |
187 | return -EINVAL; |
188 | |
189 | if (!atl1c_check_eeprom_exist(hw)) /* not exist */ |
190 | return -EINVAL; |
191 | |
192 | eeprom->magic = adapter->pdev->vendor | |
193 | (adapter->pdev->device << 16); |
194 | |
195 | first_dword = eeprom->offset >> 2; |
196 | last_dword = (eeprom->offset + eeprom->len - 1) >> 2; |
197 | |
198 | eeprom_buff = kmalloc_array(n: last_dword - first_dword + 1, size: sizeof(u32), |
199 | GFP_KERNEL); |
200 | if (eeprom_buff == NULL) |
201 | return -ENOMEM; |
202 | |
203 | for (i = first_dword; i < last_dword; i++) { |
204 | if (!atl1c_read_eeprom(hw, offset: i * 4, p_value: &(eeprom_buff[i-first_dword]))) { |
205 | kfree(objp: eeprom_buff); |
206 | return -EIO; |
207 | } |
208 | } |
209 | |
210 | memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), |
211 | eeprom->len); |
212 | kfree(objp: eeprom_buff); |
213 | |
214 | return ret_val; |
215 | return 0; |
216 | } |
217 | |
218 | static void atl1c_get_drvinfo(struct net_device *netdev, |
219 | struct ethtool_drvinfo *drvinfo) |
220 | { |
221 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
222 | |
223 | strscpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver)); |
224 | strscpy(drvinfo->bus_info, pci_name(adapter->pdev), |
225 | sizeof(drvinfo->bus_info)); |
226 | } |
227 | |
228 | static void atl1c_get_wol(struct net_device *netdev, |
229 | struct ethtool_wolinfo *wol) |
230 | { |
231 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
232 | |
233 | wol->supported = WAKE_MAGIC | WAKE_PHY; |
234 | wol->wolopts = 0; |
235 | |
236 | if (adapter->wol & AT_WUFC_EX) |
237 | wol->wolopts |= WAKE_UCAST; |
238 | if (adapter->wol & AT_WUFC_MC) |
239 | wol->wolopts |= WAKE_MCAST; |
240 | if (adapter->wol & AT_WUFC_BC) |
241 | wol->wolopts |= WAKE_BCAST; |
242 | if (adapter->wol & AT_WUFC_MAG) |
243 | wol->wolopts |= WAKE_MAGIC; |
244 | if (adapter->wol & AT_WUFC_LNKC) |
245 | wol->wolopts |= WAKE_PHY; |
246 | } |
247 | |
248 | static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
249 | { |
250 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
251 | |
252 | if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | |
253 | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)) |
254 | return -EOPNOTSUPP; |
255 | /* these settings will always override what we currently have */ |
256 | adapter->wol = 0; |
257 | |
258 | if (wol->wolopts & WAKE_MAGIC) |
259 | adapter->wol |= AT_WUFC_MAG; |
260 | if (wol->wolopts & WAKE_PHY) |
261 | adapter->wol |= AT_WUFC_LNKC; |
262 | |
263 | device_set_wakeup_enable(dev: &adapter->pdev->dev, enable: adapter->wol); |
264 | |
265 | return 0; |
266 | } |
267 | |
268 | static int atl1c_nway_reset(struct net_device *netdev) |
269 | { |
270 | struct atl1c_adapter *adapter = netdev_priv(dev: netdev); |
271 | if (netif_running(dev: netdev)) |
272 | atl1c_reinit_locked(adapter); |
273 | return 0; |
274 | } |
275 | |
276 | static const struct ethtool_ops atl1c_ethtool_ops = { |
277 | .get_drvinfo = atl1c_get_drvinfo, |
278 | .get_regs_len = atl1c_get_regs_len, |
279 | .get_regs = atl1c_get_regs, |
280 | .get_wol = atl1c_get_wol, |
281 | .set_wol = atl1c_set_wol, |
282 | .get_msglevel = atl1c_get_msglevel, |
283 | .set_msglevel = atl1c_set_msglevel, |
284 | .nway_reset = atl1c_nway_reset, |
285 | .get_link = ethtool_op_get_link, |
286 | .get_eeprom_len = atl1c_get_eeprom_len, |
287 | .get_eeprom = atl1c_get_eeprom, |
288 | .get_link_ksettings = atl1c_get_link_ksettings, |
289 | .set_link_ksettings = atl1c_set_link_ksettings, |
290 | }; |
291 | |
292 | void atl1c_set_ethtool_ops(struct net_device *netdev) |
293 | { |
294 | netdev->ethtool_ops = &atl1c_ethtool_ops; |
295 | } |
296 | |