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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
43250ddd JY |
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. | |
43250ddd JY |
7 | */ |
8 | ||
9 | #include <linux/netdevice.h> | |
10 | #include <linux/ethtool.h> | |
5a0e3ad6 | 11 | #include <linux/slab.h> |
43250ddd JY |
12 | |
13 | #include "atl1c.h" | |
14 | ||
58046c70 PR |
15 | static int atl1c_get_link_ksettings(struct net_device *netdev, |
16 | struct ethtool_link_ksettings *cmd) | |
43250ddd JY |
17 | { |
18 | struct atl1c_adapter *adapter = netdev_priv(netdev); | |
19 | struct atl1c_hw *hw = &adapter->hw; | |
58046c70 | 20 | u32 supported, advertising; |
43250ddd | 21 | |
58046c70 | 22 | supported = (SUPPORTED_10baseT_Half | |
43250ddd JY |
23 | SUPPORTED_10baseT_Full | |
24 | SUPPORTED_100baseT_Half | | |
25 | SUPPORTED_100baseT_Full | | |
26 | SUPPORTED_Autoneg | | |
27 | SUPPORTED_TP); | |
496c185c | 28 | if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M) |
58046c70 | 29 | supported |= SUPPORTED_1000baseT_Full; |
43250ddd | 30 | |
58046c70 | 31 | advertising = ADVERTISED_TP; |
43250ddd | 32 | |
58046c70 | 33 | advertising |= hw->autoneg_advertised; |
43250ddd | 34 | |
58046c70 PR |
35 | cmd->base.port = PORT_TP; |
36 | cmd->base.phy_address = 0; | |
43250ddd JY |
37 | |
38 | if (adapter->link_speed != SPEED_0) { | |
58046c70 | 39 | cmd->base.speed = adapter->link_speed; |
43250ddd | 40 | if (adapter->link_duplex == FULL_DUPLEX) |
58046c70 | 41 | cmd->base.duplex = DUPLEX_FULL; |
43250ddd | 42 | else |
58046c70 | 43 | cmd->base.duplex = DUPLEX_HALF; |
43250ddd | 44 | } else { |
58046c70 PR |
45 | cmd->base.speed = SPEED_UNKNOWN; |
46 | cmd->base.duplex = DUPLEX_UNKNOWN; | |
43250ddd JY |
47 | } |
48 | ||
58046c70 PR |
49 | cmd->base.autoneg = AUTONEG_ENABLE; |
50 | ||
51 | ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, | |
52 | supported); | |
53 | ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, | |
54 | advertising); | |
55 | ||
43250ddd JY |
56 | return 0; |
57 | } | |
58 | ||
58046c70 PR |
59 | static int atl1c_set_link_ksettings(struct net_device *netdev, |
60 | const struct ethtool_link_ksettings *cmd) | |
43250ddd JY |
61 | { |
62 | struct atl1c_adapter *adapter = netdev_priv(netdev); | |
63 | struct atl1c_hw *hw = &adapter->hw; | |
64 | u16 autoneg_advertised; | |
65 | ||
66 | while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) | |
67 | msleep(1); | |
68 | ||
58046c70 | 69 | if (cmd->base.autoneg == AUTONEG_ENABLE) { |
43250ddd JY |
70 | autoneg_advertised = ADVERTISED_Autoneg; |
71 | } else { | |
58046c70 | 72 | u32 speed = cmd->base.speed; |
25db0338 | 73 | if (speed == SPEED_1000) { |
58046c70 | 74 | if (cmd->base.duplex != DUPLEX_FULL) { |
43250ddd JY |
75 | if (netif_msg_link(adapter)) |
76 | dev_warn(&adapter->pdev->dev, | |
77 | "1000M half is invalid\n"); | |
78 | clear_bit(__AT_RESETTING, &adapter->flags); | |
79 | return -EINVAL; | |
80 | } | |
81 | autoneg_advertised = ADVERTISED_1000baseT_Full; | |
25db0338 | 82 | } else if (speed == SPEED_100) { |
58046c70 | 83 | if (cmd->base.duplex == DUPLEX_FULL) |
43250ddd JY |
84 | autoneg_advertised = ADVERTISED_100baseT_Full; |
85 | else | |
86 | autoneg_advertised = ADVERTISED_100baseT_Half; | |
87 | } else { | |
58046c70 | 88 | if (cmd->base.duplex == DUPLEX_FULL) |
43250ddd JY |
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, &adapter->flags); | |
102 | return -EINVAL; | |
103 | } | |
104 | } | |
105 | clear_bit(__AT_RESETTING, &adapter->flags); | |
106 | return 0; | |
107 | } | |
108 | ||
43250ddd JY |
109 | static u32 atl1c_get_msglevel(struct net_device *netdev) |
110 | { | |
111 | struct atl1c_adapter *adapter = netdev_priv(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(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(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 | ||
864ad85f | 136 | regs->version = 1; |
43250ddd JY |
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++); | |
7737fd96 | 148 | AT_READ_REG(hw, REG_SERDES, p++); |
43250ddd JY |
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); | |
864ad85f | 161 | regs_buff[AT_REGS_LEN/sizeof(u32) - 2] = (u32) phy_data; |
43250ddd | 162 | atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); |
864ad85f | 163 | regs_buff[AT_REGS_LEN/sizeof(u32) - 1] = (u32) phy_data; |
43250ddd JY |
164 | } |
165 | ||
166 | static int atl1c_get_eeprom_len(struct net_device *netdev) | |
167 | { | |
168 | struct atl1c_adapter *adapter = netdev_priv(netdev); | |
169 | ||
170 | if (atl1c_check_eeprom_exist(&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(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 | ||
6da2ec56 KC |
198 | eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32), |
199 | GFP_KERNEL); | |
43250ddd JY |
200 | if (eeprom_buff == NULL) |
201 | return -ENOMEM; | |
202 | ||
203 | for (i = first_dword; i < last_dword; i++) { | |
204 | if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) { | |
205 | kfree(eeprom_buff); | |
206 | return -EIO; | |
207 | } | |
208 | } | |
209 | ||
210 | memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), | |
211 | eeprom->len); | |
212 | kfree(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(netdev); | |
222 | ||
082ba88a RK |
223 | strlcpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver)); |
224 | strlcpy(drvinfo->version, atl1c_driver_version, | |
43250ddd | 225 | sizeof(drvinfo->version)); |
082ba88a | 226 | strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), |
43250ddd | 227 | sizeof(drvinfo->bus_info)); |
43250ddd JY |
228 | } |
229 | ||
230 | static void atl1c_get_wol(struct net_device *netdev, | |
231 | struct ethtool_wolinfo *wol) | |
232 | { | |
233 | struct atl1c_adapter *adapter = netdev_priv(netdev); | |
234 | ||
235 | wol->supported = WAKE_MAGIC | WAKE_PHY; | |
236 | wol->wolopts = 0; | |
237 | ||
238 | if (adapter->wol & AT_WUFC_EX) | |
239 | wol->wolopts |= WAKE_UCAST; | |
240 | if (adapter->wol & AT_WUFC_MC) | |
241 | wol->wolopts |= WAKE_MCAST; | |
242 | if (adapter->wol & AT_WUFC_BC) | |
243 | wol->wolopts |= WAKE_BCAST; | |
244 | if (adapter->wol & AT_WUFC_MAG) | |
245 | wol->wolopts |= WAKE_MAGIC; | |
246 | if (adapter->wol & AT_WUFC_LNKC) | |
247 | wol->wolopts |= WAKE_PHY; | |
43250ddd JY |
248 | } |
249 | ||
250 | static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
251 | { | |
252 | struct atl1c_adapter *adapter = netdev_priv(netdev); | |
253 | ||
254 | if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | | |
0ed586d0 | 255 | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)) |
43250ddd JY |
256 | return -EOPNOTSUPP; |
257 | /* these settings will always override what we currently have */ | |
258 | adapter->wol = 0; | |
259 | ||
260 | if (wol->wolopts & WAKE_MAGIC) | |
261 | adapter->wol |= AT_WUFC_MAG; | |
262 | if (wol->wolopts & WAKE_PHY) | |
263 | adapter->wol |= AT_WUFC_LNKC; | |
264 | ||
d8146bb2 BP |
265 | device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
266 | ||
43250ddd JY |
267 | return 0; |
268 | } | |
269 | ||
270 | static int atl1c_nway_reset(struct net_device *netdev) | |
271 | { | |
272 | struct atl1c_adapter *adapter = netdev_priv(netdev); | |
273 | if (netif_running(netdev)) | |
274 | atl1c_reinit_locked(adapter); | |
275 | return 0; | |
276 | } | |
277 | ||
0fc0b732 | 278 | static const struct ethtool_ops atl1c_ethtool_ops = { |
43250ddd JY |
279 | .get_drvinfo = atl1c_get_drvinfo, |
280 | .get_regs_len = atl1c_get_regs_len, | |
281 | .get_regs = atl1c_get_regs, | |
282 | .get_wol = atl1c_get_wol, | |
283 | .set_wol = atl1c_set_wol, | |
284 | .get_msglevel = atl1c_get_msglevel, | |
285 | .set_msglevel = atl1c_set_msglevel, | |
286 | .nway_reset = atl1c_nway_reset, | |
287 | .get_link = ethtool_op_get_link, | |
288 | .get_eeprom_len = atl1c_get_eeprom_len, | |
289 | .get_eeprom = atl1c_get_eeprom, | |
58046c70 PR |
290 | .get_link_ksettings = atl1c_get_link_ksettings, |
291 | .set_link_ksettings = atl1c_set_link_ksettings, | |
43250ddd JY |
292 | }; |
293 | ||
294 | void atl1c_set_ethtool_ops(struct net_device *netdev) | |
295 | { | |
7ad24ea4 | 296 | netdev->ethtool_ops = &atl1c_ethtool_ops; |
43250ddd | 297 | } |