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ac718b69 | 1 | /* |
c7de7dec | 2 | * Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved. |
ac718b69 | 3 | * |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * version 2 as published by the Free Software Foundation. | |
7 | * | |
8 | */ | |
9 | ||
ac718b69 | 10 | #include <linux/signal.h> |
11 | #include <linux/slab.h> | |
12 | #include <linux/module.h> | |
ac718b69 | 13 | #include <linux/netdevice.h> |
14 | #include <linux/etherdevice.h> | |
15 | #include <linux/mii.h> | |
16 | #include <linux/ethtool.h> | |
17 | #include <linux/usb.h> | |
18 | #include <linux/crc32.h> | |
19 | #include <linux/if_vlan.h> | |
20 | #include <linux/uaccess.h> | |
ebc2ec48 | 21 | #include <linux/list.h> |
5bd23881 | 22 | #include <linux/ip.h> |
23 | #include <linux/ipv6.h> | |
6128d1bb | 24 | #include <net/ip6_checksum.h> |
4c4a6b1b | 25 | #include <uapi/linux/mdio.h> |
26 | #include <linux/mdio.h> | |
d9a28c5b | 27 | #include <linux/usb/cdc.h> |
ac718b69 | 28 | |
29 | /* Version Information */ | |
b5403273 | 30 | #define DRIVER_VERSION "v1.07.0 (2014/10/09)" |
ac718b69 | 31 | #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" |
44d942a9 | 32 | #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters" |
ac718b69 | 33 | #define MODULENAME "r8152" |
34 | ||
35 | #define R8152_PHY_ID 32 | |
36 | ||
37 | #define PLA_IDR 0xc000 | |
38 | #define PLA_RCR 0xc010 | |
39 | #define PLA_RMS 0xc016 | |
40 | #define PLA_RXFIFO_CTRL0 0xc0a0 | |
41 | #define PLA_RXFIFO_CTRL1 0xc0a4 | |
42 | #define PLA_RXFIFO_CTRL2 0xc0a8 | |
43 | #define PLA_FMC 0xc0b4 | |
44 | #define PLA_CFG_WOL 0xc0b6 | |
43779f8d | 45 | #define PLA_TEREDO_CFG 0xc0bc |
ac718b69 | 46 | #define PLA_MAR 0xcd00 |
43779f8d | 47 | #define PLA_BACKUP 0xd000 |
ac718b69 | 48 | #define PAL_BDC_CR 0xd1a0 |
43779f8d | 49 | #define PLA_TEREDO_TIMER 0xd2cc |
50 | #define PLA_REALWOW_TIMER 0xd2e8 | |
ac718b69 | 51 | #define PLA_LEDSEL 0xdd90 |
52 | #define PLA_LED_FEATURE 0xdd92 | |
53 | #define PLA_PHYAR 0xde00 | |
43779f8d | 54 | #define PLA_BOOT_CTRL 0xe004 |
ac718b69 | 55 | #define PLA_GPHY_INTR_IMR 0xe022 |
56 | #define PLA_EEE_CR 0xe040 | |
57 | #define PLA_EEEP_CR 0xe080 | |
58 | #define PLA_MAC_PWR_CTRL 0xe0c0 | |
43779f8d | 59 | #define PLA_MAC_PWR_CTRL2 0xe0ca |
60 | #define PLA_MAC_PWR_CTRL3 0xe0cc | |
61 | #define PLA_MAC_PWR_CTRL4 0xe0ce | |
62 | #define PLA_WDT6_CTRL 0xe428 | |
ac718b69 | 63 | #define PLA_TCR0 0xe610 |
64 | #define PLA_TCR1 0xe612 | |
69b4b7a4 | 65 | #define PLA_MTPS 0xe615 |
ac718b69 | 66 | #define PLA_TXFIFO_CTRL 0xe618 |
4f1d4d54 | 67 | #define PLA_RSTTALLY 0xe800 |
ac718b69 | 68 | #define PLA_CR 0xe813 |
69 | #define PLA_CRWECR 0xe81c | |
21ff2e89 | 70 | #define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */ |
71 | #define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */ | |
ac718b69 | 72 | #define PLA_CONFIG5 0xe822 |
73 | #define PLA_PHY_PWR 0xe84c | |
74 | #define PLA_OOB_CTRL 0xe84f | |
75 | #define PLA_CPCR 0xe854 | |
76 | #define PLA_MISC_0 0xe858 | |
77 | #define PLA_MISC_1 0xe85a | |
78 | #define PLA_OCP_GPHY_BASE 0xe86c | |
4f1d4d54 | 79 | #define PLA_TALLYCNT 0xe890 |
ac718b69 | 80 | #define PLA_SFF_STS_7 0xe8de |
81 | #define PLA_PHYSTATUS 0xe908 | |
82 | #define PLA_BP_BA 0xfc26 | |
83 | #define PLA_BP_0 0xfc28 | |
84 | #define PLA_BP_1 0xfc2a | |
85 | #define PLA_BP_2 0xfc2c | |
86 | #define PLA_BP_3 0xfc2e | |
87 | #define PLA_BP_4 0xfc30 | |
88 | #define PLA_BP_5 0xfc32 | |
89 | #define PLA_BP_6 0xfc34 | |
90 | #define PLA_BP_7 0xfc36 | |
43779f8d | 91 | #define PLA_BP_EN 0xfc38 |
ac718b69 | 92 | |
43779f8d | 93 | #define USB_U2P3_CTRL 0xb460 |
ac718b69 | 94 | #define USB_DEV_STAT 0xb808 |
95 | #define USB_USB_CTRL 0xd406 | |
96 | #define USB_PHY_CTRL 0xd408 | |
97 | #define USB_TX_AGG 0xd40a | |
98 | #define USB_RX_BUF_TH 0xd40c | |
99 | #define USB_USB_TIMER 0xd428 | |
43779f8d | 100 | #define USB_RX_EARLY_AGG 0xd42c |
ac718b69 | 101 | #define USB_PM_CTRL_STATUS 0xd432 |
102 | #define USB_TX_DMA 0xd434 | |
43779f8d | 103 | #define USB_TOLERANCE 0xd490 |
104 | #define USB_LPM_CTRL 0xd41a | |
ac718b69 | 105 | #define USB_UPS_CTRL 0xd800 |
43779f8d | 106 | #define USB_MISC_0 0xd81a |
107 | #define USB_POWER_CUT 0xd80a | |
108 | #define USB_AFE_CTRL2 0xd824 | |
109 | #define USB_WDT11_CTRL 0xe43c | |
ac718b69 | 110 | #define USB_BP_BA 0xfc26 |
111 | #define USB_BP_0 0xfc28 | |
112 | #define USB_BP_1 0xfc2a | |
113 | #define USB_BP_2 0xfc2c | |
114 | #define USB_BP_3 0xfc2e | |
115 | #define USB_BP_4 0xfc30 | |
116 | #define USB_BP_5 0xfc32 | |
117 | #define USB_BP_6 0xfc34 | |
118 | #define USB_BP_7 0xfc36 | |
43779f8d | 119 | #define USB_BP_EN 0xfc38 |
ac718b69 | 120 | |
121 | /* OCP Registers */ | |
122 | #define OCP_ALDPS_CONFIG 0x2010 | |
123 | #define OCP_EEE_CONFIG1 0x2080 | |
124 | #define OCP_EEE_CONFIG2 0x2092 | |
125 | #define OCP_EEE_CONFIG3 0x2094 | |
ac244d3e | 126 | #define OCP_BASE_MII 0xa400 |
ac718b69 | 127 | #define OCP_EEE_AR 0xa41a |
128 | #define OCP_EEE_DATA 0xa41c | |
43779f8d | 129 | #define OCP_PHY_STATUS 0xa420 |
130 | #define OCP_POWER_CFG 0xa430 | |
131 | #define OCP_EEE_CFG 0xa432 | |
132 | #define OCP_SRAM_ADDR 0xa436 | |
133 | #define OCP_SRAM_DATA 0xa438 | |
134 | #define OCP_DOWN_SPEED 0xa442 | |
df35d283 | 135 | #define OCP_EEE_ABLE 0xa5c4 |
4c4a6b1b | 136 | #define OCP_EEE_ADV 0xa5d0 |
df35d283 | 137 | #define OCP_EEE_LPABLE 0xa5d2 |
43779f8d | 138 | #define OCP_ADC_CFG 0xbc06 |
139 | ||
140 | /* SRAM Register */ | |
141 | #define SRAM_LPF_CFG 0x8012 | |
142 | #define SRAM_10M_AMP1 0x8080 | |
143 | #define SRAM_10M_AMP2 0x8082 | |
144 | #define SRAM_IMPEDANCE 0x8084 | |
ac718b69 | 145 | |
146 | /* PLA_RCR */ | |
147 | #define RCR_AAP 0x00000001 | |
148 | #define RCR_APM 0x00000002 | |
149 | #define RCR_AM 0x00000004 | |
150 | #define RCR_AB 0x00000008 | |
151 | #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB) | |
152 | ||
153 | /* PLA_RXFIFO_CTRL0 */ | |
154 | #define RXFIFO_THR1_NORMAL 0x00080002 | |
155 | #define RXFIFO_THR1_OOB 0x01800003 | |
156 | ||
157 | /* PLA_RXFIFO_CTRL1 */ | |
158 | #define RXFIFO_THR2_FULL 0x00000060 | |
159 | #define RXFIFO_THR2_HIGH 0x00000038 | |
160 | #define RXFIFO_THR2_OOB 0x0000004a | |
43779f8d | 161 | #define RXFIFO_THR2_NORMAL 0x00a0 |
ac718b69 | 162 | |
163 | /* PLA_RXFIFO_CTRL2 */ | |
164 | #define RXFIFO_THR3_FULL 0x00000078 | |
165 | #define RXFIFO_THR3_HIGH 0x00000048 | |
166 | #define RXFIFO_THR3_OOB 0x0000005a | |
43779f8d | 167 | #define RXFIFO_THR3_NORMAL 0x0110 |
ac718b69 | 168 | |
169 | /* PLA_TXFIFO_CTRL */ | |
170 | #define TXFIFO_THR_NORMAL 0x00400008 | |
43779f8d | 171 | #define TXFIFO_THR_NORMAL2 0x01000008 |
ac718b69 | 172 | |
173 | /* PLA_FMC */ | |
174 | #define FMC_FCR_MCU_EN 0x0001 | |
175 | ||
176 | /* PLA_EEEP_CR */ | |
177 | #define EEEP_CR_EEEP_TX 0x0002 | |
178 | ||
43779f8d | 179 | /* PLA_WDT6_CTRL */ |
180 | #define WDT6_SET_MODE 0x0010 | |
181 | ||
ac718b69 | 182 | /* PLA_TCR0 */ |
183 | #define TCR0_TX_EMPTY 0x0800 | |
184 | #define TCR0_AUTO_FIFO 0x0080 | |
185 | ||
186 | /* PLA_TCR1 */ | |
187 | #define VERSION_MASK 0x7cf0 | |
188 | ||
69b4b7a4 | 189 | /* PLA_MTPS */ |
190 | #define MTPS_JUMBO (12 * 1024 / 64) | |
191 | #define MTPS_DEFAULT (6 * 1024 / 64) | |
192 | ||
4f1d4d54 | 193 | /* PLA_RSTTALLY */ |
194 | #define TALLY_RESET 0x0001 | |
195 | ||
ac718b69 | 196 | /* PLA_CR */ |
197 | #define CR_RST 0x10 | |
198 | #define CR_RE 0x08 | |
199 | #define CR_TE 0x04 | |
200 | ||
201 | /* PLA_CRWECR */ | |
202 | #define CRWECR_NORAML 0x00 | |
203 | #define CRWECR_CONFIG 0xc0 | |
204 | ||
205 | /* PLA_OOB_CTRL */ | |
206 | #define NOW_IS_OOB 0x80 | |
207 | #define TXFIFO_EMPTY 0x20 | |
208 | #define RXFIFO_EMPTY 0x10 | |
209 | #define LINK_LIST_READY 0x02 | |
210 | #define DIS_MCU_CLROOB 0x01 | |
211 | #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY) | |
212 | ||
213 | /* PLA_MISC_1 */ | |
214 | #define RXDY_GATED_EN 0x0008 | |
215 | ||
216 | /* PLA_SFF_STS_7 */ | |
217 | #define RE_INIT_LL 0x8000 | |
218 | #define MCU_BORW_EN 0x4000 | |
219 | ||
220 | /* PLA_CPCR */ | |
221 | #define CPCR_RX_VLAN 0x0040 | |
222 | ||
223 | /* PLA_CFG_WOL */ | |
224 | #define MAGIC_EN 0x0001 | |
225 | ||
43779f8d | 226 | /* PLA_TEREDO_CFG */ |
227 | #define TEREDO_SEL 0x8000 | |
228 | #define TEREDO_WAKE_MASK 0x7f00 | |
229 | #define TEREDO_RS_EVENT_MASK 0x00fe | |
230 | #define OOB_TEREDO_EN 0x0001 | |
231 | ||
ac718b69 | 232 | /* PAL_BDC_CR */ |
233 | #define ALDPS_PROXY_MODE 0x0001 | |
234 | ||
21ff2e89 | 235 | /* PLA_CONFIG34 */ |
236 | #define LINK_ON_WAKE_EN 0x0010 | |
237 | #define LINK_OFF_WAKE_EN 0x0008 | |
238 | ||
ac718b69 | 239 | /* PLA_CONFIG5 */ |
21ff2e89 | 240 | #define BWF_EN 0x0040 |
241 | #define MWF_EN 0x0020 | |
242 | #define UWF_EN 0x0010 | |
ac718b69 | 243 | #define LAN_WAKE_EN 0x0002 |
244 | ||
245 | /* PLA_LED_FEATURE */ | |
246 | #define LED_MODE_MASK 0x0700 | |
247 | ||
248 | /* PLA_PHY_PWR */ | |
249 | #define TX_10M_IDLE_EN 0x0080 | |
250 | #define PFM_PWM_SWITCH 0x0040 | |
251 | ||
252 | /* PLA_MAC_PWR_CTRL */ | |
253 | #define D3_CLK_GATED_EN 0x00004000 | |
254 | #define MCU_CLK_RATIO 0x07010f07 | |
255 | #define MCU_CLK_RATIO_MASK 0x0f0f0f0f | |
43779f8d | 256 | #define ALDPS_SPDWN_RATIO 0x0f87 |
257 | ||
258 | /* PLA_MAC_PWR_CTRL2 */ | |
259 | #define EEE_SPDWN_RATIO 0x8007 | |
260 | ||
261 | /* PLA_MAC_PWR_CTRL3 */ | |
262 | #define PKT_AVAIL_SPDWN_EN 0x0100 | |
263 | #define SUSPEND_SPDWN_EN 0x0004 | |
264 | #define U1U2_SPDWN_EN 0x0002 | |
265 | #define L1_SPDWN_EN 0x0001 | |
266 | ||
267 | /* PLA_MAC_PWR_CTRL4 */ | |
268 | #define PWRSAVE_SPDWN_EN 0x1000 | |
269 | #define RXDV_SPDWN_EN 0x0800 | |
270 | #define TX10MIDLE_EN 0x0100 | |
271 | #define TP100_SPDWN_EN 0x0020 | |
272 | #define TP500_SPDWN_EN 0x0010 | |
273 | #define TP1000_SPDWN_EN 0x0008 | |
274 | #define EEE_SPDWN_EN 0x0001 | |
ac718b69 | 275 | |
276 | /* PLA_GPHY_INTR_IMR */ | |
277 | #define GPHY_STS_MSK 0x0001 | |
278 | #define SPEED_DOWN_MSK 0x0002 | |
279 | #define SPDWN_RXDV_MSK 0x0004 | |
280 | #define SPDWN_LINKCHG_MSK 0x0008 | |
281 | ||
282 | /* PLA_PHYAR */ | |
283 | #define PHYAR_FLAG 0x80000000 | |
284 | ||
285 | /* PLA_EEE_CR */ | |
286 | #define EEE_RX_EN 0x0001 | |
287 | #define EEE_TX_EN 0x0002 | |
288 | ||
43779f8d | 289 | /* PLA_BOOT_CTRL */ |
290 | #define AUTOLOAD_DONE 0x0002 | |
291 | ||
ac718b69 | 292 | /* USB_DEV_STAT */ |
293 | #define STAT_SPEED_MASK 0x0006 | |
294 | #define STAT_SPEED_HIGH 0x0000 | |
a3cc465d | 295 | #define STAT_SPEED_FULL 0x0002 |
ac718b69 | 296 | |
297 | /* USB_TX_AGG */ | |
298 | #define TX_AGG_MAX_THRESHOLD 0x03 | |
299 | ||
300 | /* USB_RX_BUF_TH */ | |
43779f8d | 301 | #define RX_THR_SUPPER 0x0c350180 |
8e1f51bd | 302 | #define RX_THR_HIGH 0x7a120180 |
43779f8d | 303 | #define RX_THR_SLOW 0xffff0180 |
ac718b69 | 304 | |
305 | /* USB_TX_DMA */ | |
306 | #define TEST_MODE_DISABLE 0x00000001 | |
307 | #define TX_SIZE_ADJUST1 0x00000100 | |
308 | ||
309 | /* USB_UPS_CTRL */ | |
310 | #define POWER_CUT 0x0100 | |
311 | ||
312 | /* USB_PM_CTRL_STATUS */ | |
8e1f51bd | 313 | #define RESUME_INDICATE 0x0001 |
ac718b69 | 314 | |
315 | /* USB_USB_CTRL */ | |
316 | #define RX_AGG_DISABLE 0x0010 | |
317 | ||
43779f8d | 318 | /* USB_U2P3_CTRL */ |
319 | #define U2P3_ENABLE 0x0001 | |
320 | ||
321 | /* USB_POWER_CUT */ | |
322 | #define PWR_EN 0x0001 | |
323 | #define PHASE2_EN 0x0008 | |
324 | ||
325 | /* USB_MISC_0 */ | |
326 | #define PCUT_STATUS 0x0001 | |
327 | ||
328 | /* USB_RX_EARLY_AGG */ | |
329 | #define EARLY_AGG_SUPPER 0x0e832981 | |
330 | #define EARLY_AGG_HIGH 0x0e837a12 | |
331 | #define EARLY_AGG_SLOW 0x0e83ffff | |
332 | ||
333 | /* USB_WDT11_CTRL */ | |
334 | #define TIMER11_EN 0x0001 | |
335 | ||
336 | /* USB_LPM_CTRL */ | |
337 | #define LPM_TIMER_MASK 0x0c | |
338 | #define LPM_TIMER_500MS 0x04 /* 500 ms */ | |
339 | #define LPM_TIMER_500US 0x0c /* 500 us */ | |
340 | ||
341 | /* USB_AFE_CTRL2 */ | |
342 | #define SEN_VAL_MASK 0xf800 | |
343 | #define SEN_VAL_NORMAL 0xa000 | |
344 | #define SEL_RXIDLE 0x0100 | |
345 | ||
ac718b69 | 346 | /* OCP_ALDPS_CONFIG */ |
347 | #define ENPWRSAVE 0x8000 | |
348 | #define ENPDNPS 0x0200 | |
349 | #define LINKENA 0x0100 | |
350 | #define DIS_SDSAVE 0x0010 | |
351 | ||
43779f8d | 352 | /* OCP_PHY_STATUS */ |
353 | #define PHY_STAT_MASK 0x0007 | |
354 | #define PHY_STAT_LAN_ON 3 | |
355 | #define PHY_STAT_PWRDN 5 | |
356 | ||
357 | /* OCP_POWER_CFG */ | |
358 | #define EEE_CLKDIV_EN 0x8000 | |
359 | #define EN_ALDPS 0x0004 | |
360 | #define EN_10M_PLLOFF 0x0001 | |
361 | ||
ac718b69 | 362 | /* OCP_EEE_CONFIG1 */ |
363 | #define RG_TXLPI_MSK_HFDUP 0x8000 | |
364 | #define RG_MATCLR_EN 0x4000 | |
365 | #define EEE_10_CAP 0x2000 | |
366 | #define EEE_NWAY_EN 0x1000 | |
367 | #define TX_QUIET_EN 0x0200 | |
368 | #define RX_QUIET_EN 0x0100 | |
d24f6134 | 369 | #define sd_rise_time_mask 0x0070 |
4c4a6b1b | 370 | #define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */ |
ac718b69 | 371 | #define RG_RXLPI_MSK_HFDUP 0x0008 |
372 | #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */ | |
373 | ||
374 | /* OCP_EEE_CONFIG2 */ | |
375 | #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */ | |
376 | #define RG_DACQUIET_EN 0x0400 | |
377 | #define RG_LDVQUIET_EN 0x0200 | |
378 | #define RG_CKRSEL 0x0020 | |
379 | #define RG_EEEPRG_EN 0x0010 | |
380 | ||
381 | /* OCP_EEE_CONFIG3 */ | |
d24f6134 | 382 | #define fast_snr_mask 0xff80 |
4c4a6b1b | 383 | #define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */ |
ac718b69 | 384 | #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */ |
385 | #define MSK_PH 0x0006 /* bit 0 ~ 3 */ | |
386 | ||
387 | /* OCP_EEE_AR */ | |
388 | /* bit[15:14] function */ | |
389 | #define FUN_ADDR 0x0000 | |
390 | #define FUN_DATA 0x4000 | |
391 | /* bit[4:0] device addr */ | |
ac718b69 | 392 | |
43779f8d | 393 | /* OCP_EEE_CFG */ |
394 | #define CTAP_SHORT_EN 0x0040 | |
395 | #define EEE10_EN 0x0010 | |
396 | ||
397 | /* OCP_DOWN_SPEED */ | |
398 | #define EN_10M_BGOFF 0x0080 | |
399 | ||
43779f8d | 400 | /* OCP_ADC_CFG */ |
401 | #define CKADSEL_L 0x0100 | |
402 | #define ADC_EN 0x0080 | |
403 | #define EN_EMI_L 0x0040 | |
404 | ||
405 | /* SRAM_LPF_CFG */ | |
406 | #define LPF_AUTO_TUNE 0x8000 | |
407 | ||
408 | /* SRAM_10M_AMP1 */ | |
409 | #define GDAC_IB_UPALL 0x0008 | |
410 | ||
411 | /* SRAM_10M_AMP2 */ | |
412 | #define AMP_DN 0x0200 | |
413 | ||
414 | /* SRAM_IMPEDANCE */ | |
415 | #define RX_DRIVING_MASK 0x6000 | |
416 | ||
ac718b69 | 417 | enum rtl_register_content { |
43779f8d | 418 | _1000bps = 0x10, |
ac718b69 | 419 | _100bps = 0x08, |
420 | _10bps = 0x04, | |
421 | LINK_STATUS = 0x02, | |
422 | FULL_DUP = 0x01, | |
423 | }; | |
424 | ||
1764bcd9 | 425 | #define RTL8152_MAX_TX 4 |
ebc2ec48 | 426 | #define RTL8152_MAX_RX 10 |
40a82917 | 427 | #define INTBUFSIZE 2 |
8e1f51bd | 428 | #define CRC_SIZE 4 |
429 | #define TX_ALIGN 4 | |
430 | #define RX_ALIGN 8 | |
40a82917 | 431 | |
432 | #define INTR_LINK 0x0004 | |
ebc2ec48 | 433 | |
ac718b69 | 434 | #define RTL8152_REQT_READ 0xc0 |
435 | #define RTL8152_REQT_WRITE 0x40 | |
436 | #define RTL8152_REQ_GET_REGS 0x05 | |
437 | #define RTL8152_REQ_SET_REGS 0x05 | |
438 | ||
439 | #define BYTE_EN_DWORD 0xff | |
440 | #define BYTE_EN_WORD 0x33 | |
441 | #define BYTE_EN_BYTE 0x11 | |
442 | #define BYTE_EN_SIX_BYTES 0x3f | |
443 | #define BYTE_EN_START_MASK 0x0f | |
444 | #define BYTE_EN_END_MASK 0xf0 | |
445 | ||
69b4b7a4 | 446 | #define RTL8153_MAX_PACKET 9216 /* 9K */ |
447 | #define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - VLAN_HLEN) | |
ac718b69 | 448 | #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN) |
69b4b7a4 | 449 | #define RTL8153_RMS RTL8153_MAX_PACKET |
b8125404 | 450 | #define RTL8152_TX_TIMEOUT (5 * HZ) |
ac718b69 | 451 | |
452 | /* rtl8152 flags */ | |
453 | enum rtl8152_flags { | |
454 | RTL8152_UNPLUG = 0, | |
ac718b69 | 455 | RTL8152_SET_RX_MODE, |
40a82917 | 456 | WORK_ENABLE, |
457 | RTL8152_LINK_CHG, | |
9a4be1bd | 458 | SELECTIVE_SUSPEND, |
aa66a5f1 | 459 | PHY_RESET, |
0c3121fc | 460 | SCHEDULE_TASKLET, |
ac718b69 | 461 | }; |
462 | ||
463 | /* Define these values to match your device */ | |
464 | #define VENDOR_ID_REALTEK 0x0bda | |
43779f8d | 465 | #define VENDOR_ID_SAMSUNG 0x04e8 |
ac718b69 | 466 | |
467 | #define MCU_TYPE_PLA 0x0100 | |
468 | #define MCU_TYPE_USB 0x0000 | |
469 | ||
4f1d4d54 | 470 | struct tally_counter { |
471 | __le64 tx_packets; | |
472 | __le64 rx_packets; | |
473 | __le64 tx_errors; | |
474 | __le32 rx_errors; | |
475 | __le16 rx_missed; | |
476 | __le16 align_errors; | |
477 | __le32 tx_one_collision; | |
478 | __le32 tx_multi_collision; | |
479 | __le64 rx_unicast; | |
480 | __le64 rx_broadcast; | |
481 | __le32 rx_multicast; | |
482 | __le16 tx_aborted; | |
f37119c5 | 483 | __le16 tx_underrun; |
4f1d4d54 | 484 | }; |
485 | ||
ac718b69 | 486 | struct rx_desc { |
500b6d7e | 487 | __le32 opts1; |
ac718b69 | 488 | #define RX_LEN_MASK 0x7fff |
565cab0a | 489 | |
500b6d7e | 490 | __le32 opts2; |
565cab0a | 491 | #define RD_UDP_CS (1 << 23) |
492 | #define RD_TCP_CS (1 << 22) | |
6128d1bb | 493 | #define RD_IPV6_CS (1 << 20) |
565cab0a | 494 | #define RD_IPV4_CS (1 << 19) |
495 | ||
500b6d7e | 496 | __le32 opts3; |
565cab0a | 497 | #define IPF (1 << 23) /* IP checksum fail */ |
498 | #define UDPF (1 << 22) /* UDP checksum fail */ | |
499 | #define TCPF (1 << 21) /* TCP checksum fail */ | |
c5554298 | 500 | #define RX_VLAN_TAG (1 << 16) |
565cab0a | 501 | |
500b6d7e | 502 | __le32 opts4; |
503 | __le32 opts5; | |
504 | __le32 opts6; | |
ac718b69 | 505 | }; |
506 | ||
507 | struct tx_desc { | |
500b6d7e | 508 | __le32 opts1; |
ac718b69 | 509 | #define TX_FS (1 << 31) /* First segment of a packet */ |
510 | #define TX_LS (1 << 30) /* Final segment of a packet */ | |
60c89071 | 511 | #define GTSENDV4 (1 << 28) |
6128d1bb | 512 | #define GTSENDV6 (1 << 27) |
60c89071 | 513 | #define GTTCPHO_SHIFT 18 |
6128d1bb | 514 | #define GTTCPHO_MAX 0x7fU |
60c89071 | 515 | #define TX_LEN_MAX 0x3ffffU |
5bd23881 | 516 | |
500b6d7e | 517 | __le32 opts2; |
5bd23881 | 518 | #define UDP_CS (1 << 31) /* Calculate UDP/IP checksum */ |
519 | #define TCP_CS (1 << 30) /* Calculate TCP/IP checksum */ | |
520 | #define IPV4_CS (1 << 29) /* Calculate IPv4 checksum */ | |
521 | #define IPV6_CS (1 << 28) /* Calculate IPv6 checksum */ | |
60c89071 | 522 | #define MSS_SHIFT 17 |
523 | #define MSS_MAX 0x7ffU | |
524 | #define TCPHO_SHIFT 17 | |
6128d1bb | 525 | #define TCPHO_MAX 0x7ffU |
c5554298 | 526 | #define TX_VLAN_TAG (1 << 16) |
ac718b69 | 527 | }; |
528 | ||
dff4e8ad | 529 | struct r8152; |
530 | ||
ebc2ec48 | 531 | struct rx_agg { |
532 | struct list_head list; | |
533 | struct urb *urb; | |
dff4e8ad | 534 | struct r8152 *context; |
ebc2ec48 | 535 | void *buffer; |
536 | void *head; | |
537 | }; | |
538 | ||
539 | struct tx_agg { | |
540 | struct list_head list; | |
541 | struct urb *urb; | |
dff4e8ad | 542 | struct r8152 *context; |
ebc2ec48 | 543 | void *buffer; |
544 | void *head; | |
545 | u32 skb_num; | |
546 | u32 skb_len; | |
547 | }; | |
548 | ||
ac718b69 | 549 | struct r8152 { |
550 | unsigned long flags; | |
551 | struct usb_device *udev; | |
552 | struct tasklet_struct tl; | |
40a82917 | 553 | struct usb_interface *intf; |
ac718b69 | 554 | struct net_device *netdev; |
40a82917 | 555 | struct urb *intr_urb; |
ebc2ec48 | 556 | struct tx_agg tx_info[RTL8152_MAX_TX]; |
557 | struct rx_agg rx_info[RTL8152_MAX_RX]; | |
558 | struct list_head rx_done, tx_free; | |
559 | struct sk_buff_head tx_queue; | |
560 | spinlock_t rx_lock, tx_lock; | |
ac718b69 | 561 | struct delayed_work schedule; |
562 | struct mii_if_info mii; | |
b5403273 | 563 | struct mutex control; /* use for hw setting */ |
c81229c9 | 564 | |
565 | struct rtl_ops { | |
566 | void (*init)(struct r8152 *); | |
567 | int (*enable)(struct r8152 *); | |
568 | void (*disable)(struct r8152 *); | |
7e9da481 | 569 | void (*up)(struct r8152 *); |
c81229c9 | 570 | void (*down)(struct r8152 *); |
571 | void (*unload)(struct r8152 *); | |
df35d283 | 572 | int (*eee_get)(struct r8152 *, struct ethtool_eee *); |
573 | int (*eee_set)(struct r8152 *, struct ethtool_eee *); | |
c81229c9 | 574 | } rtl_ops; |
575 | ||
40a82917 | 576 | int intr_interval; |
21ff2e89 | 577 | u32 saved_wolopts; |
ac718b69 | 578 | u32 msg_enable; |
dd1b119c | 579 | u32 tx_qlen; |
ac718b69 | 580 | u16 ocp_base; |
40a82917 | 581 | u8 *intr_buff; |
ac718b69 | 582 | u8 version; |
583 | u8 speed; | |
584 | }; | |
585 | ||
586 | enum rtl_version { | |
587 | RTL_VER_UNKNOWN = 0, | |
588 | RTL_VER_01, | |
43779f8d | 589 | RTL_VER_02, |
590 | RTL_VER_03, | |
591 | RTL_VER_04, | |
592 | RTL_VER_05, | |
593 | RTL_VER_MAX | |
ac718b69 | 594 | }; |
595 | ||
60c89071 | 596 | enum tx_csum_stat { |
597 | TX_CSUM_SUCCESS = 0, | |
598 | TX_CSUM_TSO, | |
599 | TX_CSUM_NONE | |
600 | }; | |
601 | ||
ac718b69 | 602 | /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). |
603 | * The RTL chips use a 64 element hash table based on the Ethernet CRC. | |
604 | */ | |
605 | static const int multicast_filter_limit = 32; | |
52aec126 | 606 | static unsigned int agg_buf_sz = 16384; |
ac718b69 | 607 | |
52aec126 | 608 | #define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \ |
60c89071 | 609 | VLAN_ETH_HLEN - VLAN_HLEN) |
610 | ||
ac718b69 | 611 | static |
612 | int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) | |
613 | { | |
31787f53 | 614 | int ret; |
615 | void *tmp; | |
616 | ||
617 | tmp = kmalloc(size, GFP_KERNEL); | |
618 | if (!tmp) | |
619 | return -ENOMEM; | |
620 | ||
621 | ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), | |
b209af99 | 622 | RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, |
623 | value, index, tmp, size, 500); | |
31787f53 | 624 | |
625 | memcpy(data, tmp, size); | |
626 | kfree(tmp); | |
627 | ||
628 | return ret; | |
ac718b69 | 629 | } |
630 | ||
631 | static | |
632 | int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) | |
633 | { | |
31787f53 | 634 | int ret; |
635 | void *tmp; | |
636 | ||
c4438f03 | 637 | tmp = kmemdup(data, size, GFP_KERNEL); |
31787f53 | 638 | if (!tmp) |
639 | return -ENOMEM; | |
640 | ||
31787f53 | 641 | ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), |
b209af99 | 642 | RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, |
643 | value, index, tmp, size, 500); | |
31787f53 | 644 | |
645 | kfree(tmp); | |
db8515ef | 646 | |
31787f53 | 647 | return ret; |
ac718b69 | 648 | } |
649 | ||
650 | static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, | |
b209af99 | 651 | void *data, u16 type) |
ac718b69 | 652 | { |
45f4a19f | 653 | u16 limit = 64; |
654 | int ret = 0; | |
ac718b69 | 655 | |
656 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
657 | return -ENODEV; | |
658 | ||
659 | /* both size and indix must be 4 bytes align */ | |
660 | if ((size & 3) || !size || (index & 3) || !data) | |
661 | return -EPERM; | |
662 | ||
663 | if ((u32)index + (u32)size > 0xffff) | |
664 | return -EPERM; | |
665 | ||
666 | while (size) { | |
667 | if (size > limit) { | |
668 | ret = get_registers(tp, index, type, limit, data); | |
669 | if (ret < 0) | |
670 | break; | |
671 | ||
672 | index += limit; | |
673 | data += limit; | |
674 | size -= limit; | |
675 | } else { | |
676 | ret = get_registers(tp, index, type, size, data); | |
677 | if (ret < 0) | |
678 | break; | |
679 | ||
680 | index += size; | |
681 | data += size; | |
682 | size = 0; | |
683 | break; | |
684 | } | |
685 | } | |
686 | ||
67610496 | 687 | if (ret == -ENODEV) |
688 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
689 | ||
ac718b69 | 690 | return ret; |
691 | } | |
692 | ||
693 | static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen, | |
b209af99 | 694 | u16 size, void *data, u16 type) |
ac718b69 | 695 | { |
45f4a19f | 696 | int ret; |
697 | u16 byteen_start, byteen_end, byen; | |
698 | u16 limit = 512; | |
ac718b69 | 699 | |
700 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
701 | return -ENODEV; | |
702 | ||
703 | /* both size and indix must be 4 bytes align */ | |
704 | if ((size & 3) || !size || (index & 3) || !data) | |
705 | return -EPERM; | |
706 | ||
707 | if ((u32)index + (u32)size > 0xffff) | |
708 | return -EPERM; | |
709 | ||
710 | byteen_start = byteen & BYTE_EN_START_MASK; | |
711 | byteen_end = byteen & BYTE_EN_END_MASK; | |
712 | ||
713 | byen = byteen_start | (byteen_start << 4); | |
714 | ret = set_registers(tp, index, type | byen, 4, data); | |
715 | if (ret < 0) | |
716 | goto error1; | |
717 | ||
718 | index += 4; | |
719 | data += 4; | |
720 | size -= 4; | |
721 | ||
722 | if (size) { | |
723 | size -= 4; | |
724 | ||
725 | while (size) { | |
726 | if (size > limit) { | |
727 | ret = set_registers(tp, index, | |
b209af99 | 728 | type | BYTE_EN_DWORD, |
729 | limit, data); | |
ac718b69 | 730 | if (ret < 0) |
731 | goto error1; | |
732 | ||
733 | index += limit; | |
734 | data += limit; | |
735 | size -= limit; | |
736 | } else { | |
737 | ret = set_registers(tp, index, | |
b209af99 | 738 | type | BYTE_EN_DWORD, |
739 | size, data); | |
ac718b69 | 740 | if (ret < 0) |
741 | goto error1; | |
742 | ||
743 | index += size; | |
744 | data += size; | |
745 | size = 0; | |
746 | break; | |
747 | } | |
748 | } | |
749 | ||
750 | byen = byteen_end | (byteen_end >> 4); | |
751 | ret = set_registers(tp, index, type | byen, 4, data); | |
752 | if (ret < 0) | |
753 | goto error1; | |
754 | } | |
755 | ||
756 | error1: | |
67610496 | 757 | if (ret == -ENODEV) |
758 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
759 | ||
ac718b69 | 760 | return ret; |
761 | } | |
762 | ||
763 | static inline | |
764 | int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) | |
765 | { | |
766 | return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA); | |
767 | } | |
768 | ||
769 | static inline | |
770 | int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) | |
771 | { | |
772 | return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA); | |
773 | } | |
774 | ||
775 | static inline | |
776 | int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) | |
777 | { | |
778 | return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB); | |
779 | } | |
780 | ||
781 | static inline | |
782 | int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) | |
783 | { | |
784 | return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB); | |
785 | } | |
786 | ||
787 | static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) | |
788 | { | |
c8826de8 | 789 | __le32 data; |
ac718b69 | 790 | |
c8826de8 | 791 | generic_ocp_read(tp, index, sizeof(data), &data, type); |
ac718b69 | 792 | |
793 | return __le32_to_cpu(data); | |
794 | } | |
795 | ||
796 | static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) | |
797 | { | |
c8826de8 | 798 | __le32 tmp = __cpu_to_le32(data); |
799 | ||
800 | generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type); | |
ac718b69 | 801 | } |
802 | ||
803 | static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) | |
804 | { | |
805 | u32 data; | |
c8826de8 | 806 | __le32 tmp; |
ac718b69 | 807 | u8 shift = index & 2; |
808 | ||
809 | index &= ~3; | |
810 | ||
c8826de8 | 811 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
ac718b69 | 812 | |
c8826de8 | 813 | data = __le32_to_cpu(tmp); |
ac718b69 | 814 | data >>= (shift * 8); |
815 | data &= 0xffff; | |
816 | ||
817 | return (u16)data; | |
818 | } | |
819 | ||
820 | static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) | |
821 | { | |
c8826de8 | 822 | u32 mask = 0xffff; |
823 | __le32 tmp; | |
ac718b69 | 824 | u16 byen = BYTE_EN_WORD; |
825 | u8 shift = index & 2; | |
826 | ||
827 | data &= mask; | |
828 | ||
829 | if (index & 2) { | |
830 | byen <<= shift; | |
831 | mask <<= (shift * 8); | |
832 | data <<= (shift * 8); | |
833 | index &= ~3; | |
834 | } | |
835 | ||
c8826de8 | 836 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
ac718b69 | 837 | |
c8826de8 | 838 | data |= __le32_to_cpu(tmp) & ~mask; |
839 | tmp = __cpu_to_le32(data); | |
ac718b69 | 840 | |
c8826de8 | 841 | generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); |
ac718b69 | 842 | } |
843 | ||
844 | static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) | |
845 | { | |
846 | u32 data; | |
c8826de8 | 847 | __le32 tmp; |
ac718b69 | 848 | u8 shift = index & 3; |
849 | ||
850 | index &= ~3; | |
851 | ||
c8826de8 | 852 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
ac718b69 | 853 | |
c8826de8 | 854 | data = __le32_to_cpu(tmp); |
ac718b69 | 855 | data >>= (shift * 8); |
856 | data &= 0xff; | |
857 | ||
858 | return (u8)data; | |
859 | } | |
860 | ||
861 | static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) | |
862 | { | |
c8826de8 | 863 | u32 mask = 0xff; |
864 | __le32 tmp; | |
ac718b69 | 865 | u16 byen = BYTE_EN_BYTE; |
866 | u8 shift = index & 3; | |
867 | ||
868 | data &= mask; | |
869 | ||
870 | if (index & 3) { | |
871 | byen <<= shift; | |
872 | mask <<= (shift * 8); | |
873 | data <<= (shift * 8); | |
874 | index &= ~3; | |
875 | } | |
876 | ||
c8826de8 | 877 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
ac718b69 | 878 | |
c8826de8 | 879 | data |= __le32_to_cpu(tmp) & ~mask; |
880 | tmp = __cpu_to_le32(data); | |
ac718b69 | 881 | |
c8826de8 | 882 | generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); |
ac718b69 | 883 | } |
884 | ||
ac244d3e | 885 | static u16 ocp_reg_read(struct r8152 *tp, u16 addr) |
e3fe0b1a | 886 | { |
887 | u16 ocp_base, ocp_index; | |
888 | ||
889 | ocp_base = addr & 0xf000; | |
890 | if (ocp_base != tp->ocp_base) { | |
891 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); | |
892 | tp->ocp_base = ocp_base; | |
893 | } | |
894 | ||
895 | ocp_index = (addr & 0x0fff) | 0xb000; | |
ac244d3e | 896 | return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index); |
e3fe0b1a | 897 | } |
898 | ||
ac244d3e | 899 | static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) |
ac718b69 | 900 | { |
ac244d3e | 901 | u16 ocp_base, ocp_index; |
ac718b69 | 902 | |
ac244d3e | 903 | ocp_base = addr & 0xf000; |
904 | if (ocp_base != tp->ocp_base) { | |
905 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); | |
906 | tp->ocp_base = ocp_base; | |
ac718b69 | 907 | } |
ac244d3e | 908 | |
909 | ocp_index = (addr & 0x0fff) | 0xb000; | |
910 | ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data); | |
ac718b69 | 911 | } |
912 | ||
ac244d3e | 913 | static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) |
ac718b69 | 914 | { |
ac244d3e | 915 | ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value); |
916 | } | |
ac718b69 | 917 | |
ac244d3e | 918 | static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr) |
919 | { | |
920 | return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2); | |
ac718b69 | 921 | } |
922 | ||
43779f8d | 923 | static void sram_write(struct r8152 *tp, u16 addr, u16 data) |
924 | { | |
925 | ocp_reg_write(tp, OCP_SRAM_ADDR, addr); | |
926 | ocp_reg_write(tp, OCP_SRAM_DATA, data); | |
927 | } | |
928 | ||
929 | static u16 sram_read(struct r8152 *tp, u16 addr) | |
930 | { | |
931 | ocp_reg_write(tp, OCP_SRAM_ADDR, addr); | |
932 | return ocp_reg_read(tp, OCP_SRAM_DATA); | |
933 | } | |
934 | ||
ac718b69 | 935 | static int read_mii_word(struct net_device *netdev, int phy_id, int reg) |
936 | { | |
937 | struct r8152 *tp = netdev_priv(netdev); | |
9a4be1bd | 938 | int ret; |
ac718b69 | 939 | |
6871438c | 940 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
941 | return -ENODEV; | |
942 | ||
ac718b69 | 943 | if (phy_id != R8152_PHY_ID) |
944 | return -EINVAL; | |
945 | ||
9a4be1bd | 946 | ret = r8152_mdio_read(tp, reg); |
947 | ||
9a4be1bd | 948 | return ret; |
ac718b69 | 949 | } |
950 | ||
951 | static | |
952 | void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val) | |
953 | { | |
954 | struct r8152 *tp = netdev_priv(netdev); | |
955 | ||
6871438c | 956 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
957 | return; | |
958 | ||
ac718b69 | 959 | if (phy_id != R8152_PHY_ID) |
960 | return; | |
961 | ||
962 | r8152_mdio_write(tp, reg, val); | |
963 | } | |
964 | ||
b209af99 | 965 | static int |
966 | r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags); | |
ebc2ec48 | 967 | |
8ba789ab | 968 | static int rtl8152_set_mac_address(struct net_device *netdev, void *p) |
969 | { | |
970 | struct r8152 *tp = netdev_priv(netdev); | |
971 | struct sockaddr *addr = p; | |
ea6a7112 | 972 | int ret = -EADDRNOTAVAIL; |
8ba789ab | 973 | |
974 | if (!is_valid_ether_addr(addr->sa_data)) | |
ea6a7112 | 975 | goto out1; |
976 | ||
977 | ret = usb_autopm_get_interface(tp->intf); | |
978 | if (ret < 0) | |
979 | goto out1; | |
8ba789ab | 980 | |
b5403273 | 981 | mutex_lock(&tp->control); |
982 | ||
8ba789ab | 983 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
984 | ||
985 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); | |
986 | pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data); | |
987 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); | |
988 | ||
b5403273 | 989 | mutex_unlock(&tp->control); |
990 | ||
ea6a7112 | 991 | usb_autopm_put_interface(tp->intf); |
992 | out1: | |
993 | return ret; | |
8ba789ab | 994 | } |
995 | ||
179bb6d7 | 996 | static int set_ethernet_addr(struct r8152 *tp) |
ac718b69 | 997 | { |
998 | struct net_device *dev = tp->netdev; | |
179bb6d7 | 999 | struct sockaddr sa; |
8a91c824 | 1000 | int ret; |
ac718b69 | 1001 | |
8a91c824 | 1002 | if (tp->version == RTL_VER_01) |
179bb6d7 | 1003 | ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data); |
8a91c824 | 1004 | else |
179bb6d7 | 1005 | ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data); |
8a91c824 | 1006 | |
1007 | if (ret < 0) { | |
179bb6d7 | 1008 | netif_err(tp, probe, dev, "Get ether addr fail\n"); |
1009 | } else if (!is_valid_ether_addr(sa.sa_data)) { | |
1010 | netif_err(tp, probe, dev, "Invalid ether addr %pM\n", | |
1011 | sa.sa_data); | |
1012 | eth_hw_addr_random(dev); | |
1013 | ether_addr_copy(sa.sa_data, dev->dev_addr); | |
1014 | ret = rtl8152_set_mac_address(dev, &sa); | |
1015 | netif_info(tp, probe, dev, "Random ether addr %pM\n", | |
1016 | sa.sa_data); | |
8a91c824 | 1017 | } else { |
179bb6d7 | 1018 | if (tp->version == RTL_VER_01) |
1019 | ether_addr_copy(dev->dev_addr, sa.sa_data); | |
1020 | else | |
1021 | ret = rtl8152_set_mac_address(dev, &sa); | |
ac718b69 | 1022 | } |
179bb6d7 | 1023 | |
1024 | return ret; | |
ac718b69 | 1025 | } |
1026 | ||
ac718b69 | 1027 | static void read_bulk_callback(struct urb *urb) |
1028 | { | |
ac718b69 | 1029 | struct net_device *netdev; |
ac718b69 | 1030 | int status = urb->status; |
ebc2ec48 | 1031 | struct rx_agg *agg; |
1032 | struct r8152 *tp; | |
ac718b69 | 1033 | |
ebc2ec48 | 1034 | agg = urb->context; |
1035 | if (!agg) | |
1036 | return; | |
1037 | ||
1038 | tp = agg->context; | |
ac718b69 | 1039 | if (!tp) |
1040 | return; | |
ebc2ec48 | 1041 | |
ac718b69 | 1042 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
1043 | return; | |
ebc2ec48 | 1044 | |
1045 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
1046 | return; | |
1047 | ||
ac718b69 | 1048 | netdev = tp->netdev; |
7559fb2f | 1049 | |
1050 | /* When link down, the driver would cancel all bulks. */ | |
1051 | /* This avoid the re-submitting bulk */ | |
ebc2ec48 | 1052 | if (!netif_carrier_ok(netdev)) |
ac718b69 | 1053 | return; |
1054 | ||
9a4be1bd | 1055 | usb_mark_last_busy(tp->udev); |
1056 | ||
ac718b69 | 1057 | switch (status) { |
1058 | case 0: | |
ebc2ec48 | 1059 | if (urb->actual_length < ETH_ZLEN) |
1060 | break; | |
1061 | ||
2685d410 | 1062 | spin_lock(&tp->rx_lock); |
ebc2ec48 | 1063 | list_add_tail(&agg->list, &tp->rx_done); |
2685d410 | 1064 | spin_unlock(&tp->rx_lock); |
ebc2ec48 | 1065 | tasklet_schedule(&tp->tl); |
1066 | return; | |
ac718b69 | 1067 | case -ESHUTDOWN: |
1068 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
1069 | netif_device_detach(tp->netdev); | |
ebc2ec48 | 1070 | return; |
ac718b69 | 1071 | case -ENOENT: |
1072 | return; /* the urb is in unlink state */ | |
1073 | case -ETIME: | |
4a8deae2 HW |
1074 | if (net_ratelimit()) |
1075 | netdev_warn(netdev, "maybe reset is needed?\n"); | |
ebc2ec48 | 1076 | break; |
ac718b69 | 1077 | default: |
4a8deae2 HW |
1078 | if (net_ratelimit()) |
1079 | netdev_warn(netdev, "Rx status %d\n", status); | |
ebc2ec48 | 1080 | break; |
ac718b69 | 1081 | } |
1082 | ||
a0fccd48 | 1083 | r8152_submit_rx(tp, agg, GFP_ATOMIC); |
ac718b69 | 1084 | } |
1085 | ||
ebc2ec48 | 1086 | static void write_bulk_callback(struct urb *urb) |
ac718b69 | 1087 | { |
ebc2ec48 | 1088 | struct net_device_stats *stats; |
d104eafa | 1089 | struct net_device *netdev; |
ebc2ec48 | 1090 | struct tx_agg *agg; |
ac718b69 | 1091 | struct r8152 *tp; |
ebc2ec48 | 1092 | int status = urb->status; |
ac718b69 | 1093 | |
ebc2ec48 | 1094 | agg = urb->context; |
1095 | if (!agg) | |
ac718b69 | 1096 | return; |
1097 | ||
ebc2ec48 | 1098 | tp = agg->context; |
1099 | if (!tp) | |
1100 | return; | |
1101 | ||
d104eafa | 1102 | netdev = tp->netdev; |
05e0f1aa | 1103 | stats = &netdev->stats; |
ebc2ec48 | 1104 | if (status) { |
4a8deae2 | 1105 | if (net_ratelimit()) |
d104eafa | 1106 | netdev_warn(netdev, "Tx status %d\n", status); |
ebc2ec48 | 1107 | stats->tx_errors += agg->skb_num; |
ac718b69 | 1108 | } else { |
ebc2ec48 | 1109 | stats->tx_packets += agg->skb_num; |
1110 | stats->tx_bytes += agg->skb_len; | |
ac718b69 | 1111 | } |
1112 | ||
2685d410 | 1113 | spin_lock(&tp->tx_lock); |
ebc2ec48 | 1114 | list_add_tail(&agg->list, &tp->tx_free); |
2685d410 | 1115 | spin_unlock(&tp->tx_lock); |
ebc2ec48 | 1116 | |
9a4be1bd | 1117 | usb_autopm_put_interface_async(tp->intf); |
1118 | ||
d104eafa | 1119 | if (!netif_carrier_ok(netdev)) |
ebc2ec48 | 1120 | return; |
1121 | ||
1122 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
1123 | return; | |
1124 | ||
1125 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
1126 | return; | |
1127 | ||
1128 | if (!skb_queue_empty(&tp->tx_queue)) | |
0c3121fc | 1129 | tasklet_schedule(&tp->tl); |
ac718b69 | 1130 | } |
1131 | ||
40a82917 | 1132 | static void intr_callback(struct urb *urb) |
1133 | { | |
1134 | struct r8152 *tp; | |
500b6d7e | 1135 | __le16 *d; |
40a82917 | 1136 | int status = urb->status; |
1137 | int res; | |
1138 | ||
1139 | tp = urb->context; | |
1140 | if (!tp) | |
1141 | return; | |
1142 | ||
1143 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
1144 | return; | |
1145 | ||
1146 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
1147 | return; | |
1148 | ||
1149 | switch (status) { | |
1150 | case 0: /* success */ | |
1151 | break; | |
1152 | case -ECONNRESET: /* unlink */ | |
1153 | case -ESHUTDOWN: | |
1154 | netif_device_detach(tp->netdev); | |
1155 | case -ENOENT: | |
d59c876d | 1156 | case -EPROTO: |
1157 | netif_info(tp, intr, tp->netdev, | |
1158 | "Stop submitting intr, status %d\n", status); | |
40a82917 | 1159 | return; |
1160 | case -EOVERFLOW: | |
1161 | netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n"); | |
1162 | goto resubmit; | |
1163 | /* -EPIPE: should clear the halt */ | |
1164 | default: | |
1165 | netif_info(tp, intr, tp->netdev, "intr status %d\n", status); | |
1166 | goto resubmit; | |
1167 | } | |
1168 | ||
1169 | d = urb->transfer_buffer; | |
1170 | if (INTR_LINK & __le16_to_cpu(d[0])) { | |
1171 | if (!(tp->speed & LINK_STATUS)) { | |
1172 | set_bit(RTL8152_LINK_CHG, &tp->flags); | |
1173 | schedule_delayed_work(&tp->schedule, 0); | |
1174 | } | |
1175 | } else { | |
1176 | if (tp->speed & LINK_STATUS) { | |
1177 | set_bit(RTL8152_LINK_CHG, &tp->flags); | |
1178 | schedule_delayed_work(&tp->schedule, 0); | |
1179 | } | |
1180 | } | |
1181 | ||
1182 | resubmit: | |
1183 | res = usb_submit_urb(urb, GFP_ATOMIC); | |
67610496 | 1184 | if (res == -ENODEV) { |
1185 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
40a82917 | 1186 | netif_device_detach(tp->netdev); |
67610496 | 1187 | } else if (res) { |
40a82917 | 1188 | netif_err(tp, intr, tp->netdev, |
4a8deae2 | 1189 | "can't resubmit intr, status %d\n", res); |
67610496 | 1190 | } |
40a82917 | 1191 | } |
1192 | ||
ebc2ec48 | 1193 | static inline void *rx_agg_align(void *data) |
1194 | { | |
8e1f51bd | 1195 | return (void *)ALIGN((uintptr_t)data, RX_ALIGN); |
ebc2ec48 | 1196 | } |
1197 | ||
1198 | static inline void *tx_agg_align(void *data) | |
1199 | { | |
8e1f51bd | 1200 | return (void *)ALIGN((uintptr_t)data, TX_ALIGN); |
ebc2ec48 | 1201 | } |
1202 | ||
1203 | static void free_all_mem(struct r8152 *tp) | |
1204 | { | |
1205 | int i; | |
1206 | ||
1207 | for (i = 0; i < RTL8152_MAX_RX; i++) { | |
9629e3c0 | 1208 | usb_free_urb(tp->rx_info[i].urb); |
1209 | tp->rx_info[i].urb = NULL; | |
ebc2ec48 | 1210 | |
9629e3c0 | 1211 | kfree(tp->rx_info[i].buffer); |
1212 | tp->rx_info[i].buffer = NULL; | |
1213 | tp->rx_info[i].head = NULL; | |
ebc2ec48 | 1214 | } |
1215 | ||
1216 | for (i = 0; i < RTL8152_MAX_TX; i++) { | |
9629e3c0 | 1217 | usb_free_urb(tp->tx_info[i].urb); |
1218 | tp->tx_info[i].urb = NULL; | |
ebc2ec48 | 1219 | |
9629e3c0 | 1220 | kfree(tp->tx_info[i].buffer); |
1221 | tp->tx_info[i].buffer = NULL; | |
1222 | tp->tx_info[i].head = NULL; | |
ebc2ec48 | 1223 | } |
40a82917 | 1224 | |
9629e3c0 | 1225 | usb_free_urb(tp->intr_urb); |
1226 | tp->intr_urb = NULL; | |
40a82917 | 1227 | |
9629e3c0 | 1228 | kfree(tp->intr_buff); |
1229 | tp->intr_buff = NULL; | |
ebc2ec48 | 1230 | } |
1231 | ||
1232 | static int alloc_all_mem(struct r8152 *tp) | |
1233 | { | |
1234 | struct net_device *netdev = tp->netdev; | |
40a82917 | 1235 | struct usb_interface *intf = tp->intf; |
1236 | struct usb_host_interface *alt = intf->cur_altsetting; | |
1237 | struct usb_host_endpoint *ep_intr = alt->endpoint + 2; | |
ebc2ec48 | 1238 | struct urb *urb; |
1239 | int node, i; | |
1240 | u8 *buf; | |
1241 | ||
1242 | node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1; | |
1243 | ||
1244 | spin_lock_init(&tp->rx_lock); | |
1245 | spin_lock_init(&tp->tx_lock); | |
ebc2ec48 | 1246 | INIT_LIST_HEAD(&tp->tx_free); |
1247 | skb_queue_head_init(&tp->tx_queue); | |
1248 | ||
1249 | for (i = 0; i < RTL8152_MAX_RX; i++) { | |
52aec126 | 1250 | buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node); |
ebc2ec48 | 1251 | if (!buf) |
1252 | goto err1; | |
1253 | ||
1254 | if (buf != rx_agg_align(buf)) { | |
1255 | kfree(buf); | |
52aec126 | 1256 | buf = kmalloc_node(agg_buf_sz + RX_ALIGN, GFP_KERNEL, |
8e1f51bd | 1257 | node); |
ebc2ec48 | 1258 | if (!buf) |
1259 | goto err1; | |
1260 | } | |
1261 | ||
1262 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
1263 | if (!urb) { | |
1264 | kfree(buf); | |
1265 | goto err1; | |
1266 | } | |
1267 | ||
1268 | INIT_LIST_HEAD(&tp->rx_info[i].list); | |
1269 | tp->rx_info[i].context = tp; | |
1270 | tp->rx_info[i].urb = urb; | |
1271 | tp->rx_info[i].buffer = buf; | |
1272 | tp->rx_info[i].head = rx_agg_align(buf); | |
1273 | } | |
1274 | ||
1275 | for (i = 0; i < RTL8152_MAX_TX; i++) { | |
52aec126 | 1276 | buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node); |
ebc2ec48 | 1277 | if (!buf) |
1278 | goto err1; | |
1279 | ||
1280 | if (buf != tx_agg_align(buf)) { | |
1281 | kfree(buf); | |
52aec126 | 1282 | buf = kmalloc_node(agg_buf_sz + TX_ALIGN, GFP_KERNEL, |
8e1f51bd | 1283 | node); |
ebc2ec48 | 1284 | if (!buf) |
1285 | goto err1; | |
1286 | } | |
1287 | ||
1288 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
1289 | if (!urb) { | |
1290 | kfree(buf); | |
1291 | goto err1; | |
1292 | } | |
1293 | ||
1294 | INIT_LIST_HEAD(&tp->tx_info[i].list); | |
1295 | tp->tx_info[i].context = tp; | |
1296 | tp->tx_info[i].urb = urb; | |
1297 | tp->tx_info[i].buffer = buf; | |
1298 | tp->tx_info[i].head = tx_agg_align(buf); | |
1299 | ||
1300 | list_add_tail(&tp->tx_info[i].list, &tp->tx_free); | |
1301 | } | |
1302 | ||
40a82917 | 1303 | tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL); |
1304 | if (!tp->intr_urb) | |
1305 | goto err1; | |
1306 | ||
1307 | tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL); | |
1308 | if (!tp->intr_buff) | |
1309 | goto err1; | |
1310 | ||
1311 | tp->intr_interval = (int)ep_intr->desc.bInterval; | |
1312 | usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3), | |
b209af99 | 1313 | tp->intr_buff, INTBUFSIZE, intr_callback, |
1314 | tp, tp->intr_interval); | |
40a82917 | 1315 | |
ebc2ec48 | 1316 | return 0; |
1317 | ||
1318 | err1: | |
1319 | free_all_mem(tp); | |
1320 | return -ENOMEM; | |
1321 | } | |
1322 | ||
0de98f6c | 1323 | static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp) |
1324 | { | |
1325 | struct tx_agg *agg = NULL; | |
1326 | unsigned long flags; | |
1327 | ||
21949ab7 | 1328 | if (list_empty(&tp->tx_free)) |
1329 | return NULL; | |
1330 | ||
0de98f6c | 1331 | spin_lock_irqsave(&tp->tx_lock, flags); |
1332 | if (!list_empty(&tp->tx_free)) { | |
1333 | struct list_head *cursor; | |
1334 | ||
1335 | cursor = tp->tx_free.next; | |
1336 | list_del_init(cursor); | |
1337 | agg = list_entry(cursor, struct tx_agg, list); | |
1338 | } | |
1339 | spin_unlock_irqrestore(&tp->tx_lock, flags); | |
1340 | ||
1341 | return agg; | |
1342 | } | |
1343 | ||
60c89071 | 1344 | static inline __be16 get_protocol(struct sk_buff *skb) |
5bd23881 | 1345 | { |
60c89071 | 1346 | __be16 protocol; |
5bd23881 | 1347 | |
60c89071 | 1348 | if (skb->protocol == htons(ETH_P_8021Q)) |
1349 | protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto; | |
1350 | else | |
1351 | protocol = skb->protocol; | |
5bd23881 | 1352 | |
60c89071 | 1353 | return protocol; |
1354 | } | |
5bd23881 | 1355 | |
b209af99 | 1356 | /* r8152_csum_workaround() |
6128d1bb | 1357 | * The hw limites the value the transport offset. When the offset is out of the |
1358 | * range, calculate the checksum by sw. | |
1359 | */ | |
1360 | static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb, | |
1361 | struct sk_buff_head *list) | |
1362 | { | |
1363 | if (skb_shinfo(skb)->gso_size) { | |
1364 | netdev_features_t features = tp->netdev->features; | |
1365 | struct sk_buff_head seg_list; | |
1366 | struct sk_buff *segs, *nskb; | |
1367 | ||
a91d45f1 | 1368 | features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); |
6128d1bb | 1369 | segs = skb_gso_segment(skb, features); |
1370 | if (IS_ERR(segs) || !segs) | |
1371 | goto drop; | |
1372 | ||
1373 | __skb_queue_head_init(&seg_list); | |
1374 | ||
1375 | do { | |
1376 | nskb = segs; | |
1377 | segs = segs->next; | |
1378 | nskb->next = NULL; | |
1379 | __skb_queue_tail(&seg_list, nskb); | |
1380 | } while (segs); | |
1381 | ||
1382 | skb_queue_splice(&seg_list, list); | |
1383 | dev_kfree_skb(skb); | |
1384 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
1385 | if (skb_checksum_help(skb) < 0) | |
1386 | goto drop; | |
1387 | ||
1388 | __skb_queue_head(list, skb); | |
1389 | } else { | |
1390 | struct net_device_stats *stats; | |
1391 | ||
1392 | drop: | |
1393 | stats = &tp->netdev->stats; | |
1394 | stats->tx_dropped++; | |
1395 | dev_kfree_skb(skb); | |
1396 | } | |
1397 | } | |
1398 | ||
b209af99 | 1399 | /* msdn_giant_send_check() |
6128d1bb | 1400 | * According to the document of microsoft, the TCP Pseudo Header excludes the |
1401 | * packet length for IPv6 TCP large packets. | |
1402 | */ | |
1403 | static int msdn_giant_send_check(struct sk_buff *skb) | |
1404 | { | |
1405 | const struct ipv6hdr *ipv6h; | |
1406 | struct tcphdr *th; | |
fcb308d5 | 1407 | int ret; |
1408 | ||
1409 | ret = skb_cow_head(skb, 0); | |
1410 | if (ret) | |
1411 | return ret; | |
6128d1bb | 1412 | |
1413 | ipv6h = ipv6_hdr(skb); | |
1414 | th = tcp_hdr(skb); | |
1415 | ||
1416 | th->check = 0; | |
1417 | th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0); | |
1418 | ||
fcb308d5 | 1419 | return ret; |
6128d1bb | 1420 | } |
1421 | ||
c5554298 | 1422 | static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb) |
1423 | { | |
df8a39de | 1424 | if (skb_vlan_tag_present(skb)) { |
c5554298 | 1425 | u32 opts2; |
1426 | ||
df8a39de | 1427 | opts2 = TX_VLAN_TAG | swab16(skb_vlan_tag_get(skb)); |
c5554298 | 1428 | desc->opts2 |= cpu_to_le32(opts2); |
1429 | } | |
1430 | } | |
1431 | ||
1432 | static inline void rtl_rx_vlan_tag(struct rx_desc *desc, struct sk_buff *skb) | |
1433 | { | |
1434 | u32 opts2 = le32_to_cpu(desc->opts2); | |
1435 | ||
1436 | if (opts2 & RX_VLAN_TAG) | |
1437 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), | |
1438 | swab16(opts2 & 0xffff)); | |
1439 | } | |
1440 | ||
60c89071 | 1441 | static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc, |
1442 | struct sk_buff *skb, u32 len, u32 transport_offset) | |
1443 | { | |
1444 | u32 mss = skb_shinfo(skb)->gso_size; | |
1445 | u32 opts1, opts2 = 0; | |
1446 | int ret = TX_CSUM_SUCCESS; | |
1447 | ||
1448 | WARN_ON_ONCE(len > TX_LEN_MAX); | |
1449 | ||
1450 | opts1 = len | TX_FS | TX_LS; | |
1451 | ||
1452 | if (mss) { | |
6128d1bb | 1453 | if (transport_offset > GTTCPHO_MAX) { |
1454 | netif_warn(tp, tx_err, tp->netdev, | |
1455 | "Invalid transport offset 0x%x for TSO\n", | |
1456 | transport_offset); | |
1457 | ret = TX_CSUM_TSO; | |
1458 | goto unavailable; | |
1459 | } | |
1460 | ||
60c89071 | 1461 | switch (get_protocol(skb)) { |
1462 | case htons(ETH_P_IP): | |
1463 | opts1 |= GTSENDV4; | |
1464 | break; | |
1465 | ||
6128d1bb | 1466 | case htons(ETH_P_IPV6): |
fcb308d5 | 1467 | if (msdn_giant_send_check(skb)) { |
1468 | ret = TX_CSUM_TSO; | |
1469 | goto unavailable; | |
1470 | } | |
6128d1bb | 1471 | opts1 |= GTSENDV6; |
6128d1bb | 1472 | break; |
1473 | ||
60c89071 | 1474 | default: |
1475 | WARN_ON_ONCE(1); | |
1476 | break; | |
1477 | } | |
1478 | ||
1479 | opts1 |= transport_offset << GTTCPHO_SHIFT; | |
1480 | opts2 |= min(mss, MSS_MAX) << MSS_SHIFT; | |
1481 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
1482 | u8 ip_protocol; | |
5bd23881 | 1483 | |
6128d1bb | 1484 | if (transport_offset > TCPHO_MAX) { |
1485 | netif_warn(tp, tx_err, tp->netdev, | |
1486 | "Invalid transport offset 0x%x\n", | |
1487 | transport_offset); | |
1488 | ret = TX_CSUM_NONE; | |
1489 | goto unavailable; | |
1490 | } | |
1491 | ||
60c89071 | 1492 | switch (get_protocol(skb)) { |
5bd23881 | 1493 | case htons(ETH_P_IP): |
1494 | opts2 |= IPV4_CS; | |
1495 | ip_protocol = ip_hdr(skb)->protocol; | |
1496 | break; | |
1497 | ||
1498 | case htons(ETH_P_IPV6): | |
1499 | opts2 |= IPV6_CS; | |
1500 | ip_protocol = ipv6_hdr(skb)->nexthdr; | |
1501 | break; | |
1502 | ||
1503 | default: | |
1504 | ip_protocol = IPPROTO_RAW; | |
1505 | break; | |
1506 | } | |
1507 | ||
60c89071 | 1508 | if (ip_protocol == IPPROTO_TCP) |
5bd23881 | 1509 | opts2 |= TCP_CS; |
60c89071 | 1510 | else if (ip_protocol == IPPROTO_UDP) |
5bd23881 | 1511 | opts2 |= UDP_CS; |
60c89071 | 1512 | else |
5bd23881 | 1513 | WARN_ON_ONCE(1); |
5bd23881 | 1514 | |
60c89071 | 1515 | opts2 |= transport_offset << TCPHO_SHIFT; |
5bd23881 | 1516 | } |
60c89071 | 1517 | |
1518 | desc->opts2 = cpu_to_le32(opts2); | |
1519 | desc->opts1 = cpu_to_le32(opts1); | |
1520 | ||
6128d1bb | 1521 | unavailable: |
60c89071 | 1522 | return ret; |
5bd23881 | 1523 | } |
1524 | ||
b1379d9a | 1525 | static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg) |
1526 | { | |
d84130a1 | 1527 | struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue; |
9a4be1bd | 1528 | int remain, ret; |
b1379d9a | 1529 | u8 *tx_data; |
1530 | ||
d84130a1 | 1531 | __skb_queue_head_init(&skb_head); |
0c3121fc | 1532 | spin_lock(&tx_queue->lock); |
d84130a1 | 1533 | skb_queue_splice_init(tx_queue, &skb_head); |
0c3121fc | 1534 | spin_unlock(&tx_queue->lock); |
d84130a1 | 1535 | |
b1379d9a | 1536 | tx_data = agg->head; |
b209af99 | 1537 | agg->skb_num = 0; |
1538 | agg->skb_len = 0; | |
52aec126 | 1539 | remain = agg_buf_sz; |
b1379d9a | 1540 | |
7937f9e5 | 1541 | while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) { |
b1379d9a | 1542 | struct tx_desc *tx_desc; |
1543 | struct sk_buff *skb; | |
1544 | unsigned int len; | |
60c89071 | 1545 | u32 offset; |
b1379d9a | 1546 | |
d84130a1 | 1547 | skb = __skb_dequeue(&skb_head); |
b1379d9a | 1548 | if (!skb) |
1549 | break; | |
1550 | ||
60c89071 | 1551 | len = skb->len + sizeof(*tx_desc); |
1552 | ||
1553 | if (len > remain) { | |
d84130a1 | 1554 | __skb_queue_head(&skb_head, skb); |
b1379d9a | 1555 | break; |
1556 | } | |
1557 | ||
7937f9e5 | 1558 | tx_data = tx_agg_align(tx_data); |
b1379d9a | 1559 | tx_desc = (struct tx_desc *)tx_data; |
60c89071 | 1560 | |
1561 | offset = (u32)skb_transport_offset(skb); | |
1562 | ||
6128d1bb | 1563 | if (r8152_tx_csum(tp, tx_desc, skb, skb->len, offset)) { |
1564 | r8152_csum_workaround(tp, skb, &skb_head); | |
1565 | continue; | |
1566 | } | |
60c89071 | 1567 | |
c5554298 | 1568 | rtl_tx_vlan_tag(tx_desc, skb); |
1569 | ||
b1379d9a | 1570 | tx_data += sizeof(*tx_desc); |
1571 | ||
60c89071 | 1572 | len = skb->len; |
1573 | if (skb_copy_bits(skb, 0, tx_data, len) < 0) { | |
1574 | struct net_device_stats *stats = &tp->netdev->stats; | |
1575 | ||
1576 | stats->tx_dropped++; | |
1577 | dev_kfree_skb_any(skb); | |
1578 | tx_data -= sizeof(*tx_desc); | |
1579 | continue; | |
1580 | } | |
1581 | ||
1582 | tx_data += len; | |
b1379d9a | 1583 | agg->skb_len += len; |
60c89071 | 1584 | agg->skb_num++; |
1585 | ||
b1379d9a | 1586 | dev_kfree_skb_any(skb); |
1587 | ||
52aec126 | 1588 | remain = agg_buf_sz - (int)(tx_agg_align(tx_data) - agg->head); |
b1379d9a | 1589 | } |
1590 | ||
d84130a1 | 1591 | if (!skb_queue_empty(&skb_head)) { |
0c3121fc | 1592 | spin_lock(&tx_queue->lock); |
d84130a1 | 1593 | skb_queue_splice(&skb_head, tx_queue); |
0c3121fc | 1594 | spin_unlock(&tx_queue->lock); |
d84130a1 | 1595 | } |
1596 | ||
0c3121fc | 1597 | netif_tx_lock(tp->netdev); |
dd1b119c | 1598 | |
1599 | if (netif_queue_stopped(tp->netdev) && | |
1600 | skb_queue_len(&tp->tx_queue) < tp->tx_qlen) | |
1601 | netif_wake_queue(tp->netdev); | |
1602 | ||
0c3121fc | 1603 | netif_tx_unlock(tp->netdev); |
9a4be1bd | 1604 | |
0c3121fc | 1605 | ret = usb_autopm_get_interface_async(tp->intf); |
9a4be1bd | 1606 | if (ret < 0) |
1607 | goto out_tx_fill; | |
dd1b119c | 1608 | |
b1379d9a | 1609 | usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), |
1610 | agg->head, (int)(tx_data - (u8 *)agg->head), | |
1611 | (usb_complete_t)write_bulk_callback, agg); | |
1612 | ||
0c3121fc | 1613 | ret = usb_submit_urb(agg->urb, GFP_ATOMIC); |
9a4be1bd | 1614 | if (ret < 0) |
0c3121fc | 1615 | usb_autopm_put_interface_async(tp->intf); |
9a4be1bd | 1616 | |
1617 | out_tx_fill: | |
1618 | return ret; | |
b1379d9a | 1619 | } |
1620 | ||
565cab0a | 1621 | static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc) |
1622 | { | |
1623 | u8 checksum = CHECKSUM_NONE; | |
1624 | u32 opts2, opts3; | |
1625 | ||
1626 | if (tp->version == RTL_VER_01) | |
1627 | goto return_result; | |
1628 | ||
1629 | opts2 = le32_to_cpu(rx_desc->opts2); | |
1630 | opts3 = le32_to_cpu(rx_desc->opts3); | |
1631 | ||
1632 | if (opts2 & RD_IPV4_CS) { | |
1633 | if (opts3 & IPF) | |
1634 | checksum = CHECKSUM_NONE; | |
1635 | else if ((opts2 & RD_UDP_CS) && (opts3 & UDPF)) | |
1636 | checksum = CHECKSUM_NONE; | |
1637 | else if ((opts2 & RD_TCP_CS) && (opts3 & TCPF)) | |
1638 | checksum = CHECKSUM_NONE; | |
1639 | else | |
1640 | checksum = CHECKSUM_UNNECESSARY; | |
6128d1bb | 1641 | } else if (RD_IPV6_CS) { |
1642 | if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF)) | |
1643 | checksum = CHECKSUM_UNNECESSARY; | |
1644 | else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF)) | |
1645 | checksum = CHECKSUM_UNNECESSARY; | |
565cab0a | 1646 | } |
1647 | ||
1648 | return_result: | |
1649 | return checksum; | |
1650 | } | |
1651 | ||
ebc2ec48 | 1652 | static void rx_bottom(struct r8152 *tp) |
1653 | { | |
a5a4f468 | 1654 | unsigned long flags; |
d84130a1 | 1655 | struct list_head *cursor, *next, rx_queue; |
ebc2ec48 | 1656 | |
d84130a1 | 1657 | if (list_empty(&tp->rx_done)) |
1658 | return; | |
1659 | ||
1660 | INIT_LIST_HEAD(&rx_queue); | |
a5a4f468 | 1661 | spin_lock_irqsave(&tp->rx_lock, flags); |
d84130a1 | 1662 | list_splice_init(&tp->rx_done, &rx_queue); |
1663 | spin_unlock_irqrestore(&tp->rx_lock, flags); | |
1664 | ||
1665 | list_for_each_safe(cursor, next, &rx_queue) { | |
43a4478d | 1666 | struct rx_desc *rx_desc; |
1667 | struct rx_agg *agg; | |
43a4478d | 1668 | int len_used = 0; |
1669 | struct urb *urb; | |
1670 | u8 *rx_data; | |
43a4478d | 1671 | |
ebc2ec48 | 1672 | list_del_init(cursor); |
ebc2ec48 | 1673 | |
1674 | agg = list_entry(cursor, struct rx_agg, list); | |
1675 | urb = agg->urb; | |
0de98f6c | 1676 | if (urb->actual_length < ETH_ZLEN) |
1677 | goto submit; | |
ebc2ec48 | 1678 | |
ebc2ec48 | 1679 | rx_desc = agg->head; |
1680 | rx_data = agg->head; | |
7937f9e5 | 1681 | len_used += sizeof(struct rx_desc); |
ebc2ec48 | 1682 | |
7937f9e5 | 1683 | while (urb->actual_length > len_used) { |
43a4478d | 1684 | struct net_device *netdev = tp->netdev; |
05e0f1aa | 1685 | struct net_device_stats *stats = &netdev->stats; |
7937f9e5 | 1686 | unsigned int pkt_len; |
43a4478d | 1687 | struct sk_buff *skb; |
1688 | ||
7937f9e5 | 1689 | pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; |
ebc2ec48 | 1690 | if (pkt_len < ETH_ZLEN) |
1691 | break; | |
1692 | ||
7937f9e5 | 1693 | len_used += pkt_len; |
1694 | if (urb->actual_length < len_used) | |
1695 | break; | |
1696 | ||
8e1f51bd | 1697 | pkt_len -= CRC_SIZE; |
ebc2ec48 | 1698 | rx_data += sizeof(struct rx_desc); |
1699 | ||
1700 | skb = netdev_alloc_skb_ip_align(netdev, pkt_len); | |
1701 | if (!skb) { | |
1702 | stats->rx_dropped++; | |
5e2f7485 | 1703 | goto find_next_rx; |
ebc2ec48 | 1704 | } |
565cab0a | 1705 | |
1706 | skb->ip_summed = r8152_rx_csum(tp, rx_desc); | |
ebc2ec48 | 1707 | memcpy(skb->data, rx_data, pkt_len); |
1708 | skb_put(skb, pkt_len); | |
1709 | skb->protocol = eth_type_trans(skb, netdev); | |
c5554298 | 1710 | rtl_rx_vlan_tag(rx_desc, skb); |
9d9aafa1 | 1711 | netif_receive_skb(skb); |
ebc2ec48 | 1712 | stats->rx_packets++; |
1713 | stats->rx_bytes += pkt_len; | |
1714 | ||
5e2f7485 | 1715 | find_next_rx: |
8e1f51bd | 1716 | rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE); |
ebc2ec48 | 1717 | rx_desc = (struct rx_desc *)rx_data; |
ebc2ec48 | 1718 | len_used = (int)(rx_data - (u8 *)agg->head); |
7937f9e5 | 1719 | len_used += sizeof(struct rx_desc); |
ebc2ec48 | 1720 | } |
1721 | ||
0de98f6c | 1722 | submit: |
a0fccd48 | 1723 | r8152_submit_rx(tp, agg, GFP_ATOMIC); |
ebc2ec48 | 1724 | } |
ebc2ec48 | 1725 | } |
1726 | ||
1727 | static void tx_bottom(struct r8152 *tp) | |
1728 | { | |
ebc2ec48 | 1729 | int res; |
1730 | ||
b1379d9a | 1731 | do { |
1732 | struct tx_agg *agg; | |
ebc2ec48 | 1733 | |
b1379d9a | 1734 | if (skb_queue_empty(&tp->tx_queue)) |
ebc2ec48 | 1735 | break; |
1736 | ||
b1379d9a | 1737 | agg = r8152_get_tx_agg(tp); |
1738 | if (!agg) | |
ebc2ec48 | 1739 | break; |
ebc2ec48 | 1740 | |
b1379d9a | 1741 | res = r8152_tx_agg_fill(tp, agg); |
1742 | if (res) { | |
05e0f1aa | 1743 | struct net_device *netdev = tp->netdev; |
ebc2ec48 | 1744 | |
b1379d9a | 1745 | if (res == -ENODEV) { |
67610496 | 1746 | set_bit(RTL8152_UNPLUG, &tp->flags); |
b1379d9a | 1747 | netif_device_detach(netdev); |
1748 | } else { | |
05e0f1aa | 1749 | struct net_device_stats *stats = &netdev->stats; |
1750 | unsigned long flags; | |
1751 | ||
b1379d9a | 1752 | netif_warn(tp, tx_err, netdev, |
1753 | "failed tx_urb %d\n", res); | |
1754 | stats->tx_dropped += agg->skb_num; | |
db8515ef | 1755 | |
b1379d9a | 1756 | spin_lock_irqsave(&tp->tx_lock, flags); |
1757 | list_add_tail(&agg->list, &tp->tx_free); | |
1758 | spin_unlock_irqrestore(&tp->tx_lock, flags); | |
1759 | } | |
ebc2ec48 | 1760 | } |
b1379d9a | 1761 | } while (res == 0); |
ebc2ec48 | 1762 | } |
1763 | ||
1764 | static void bottom_half(unsigned long data) | |
ac718b69 | 1765 | { |
1766 | struct r8152 *tp; | |
ac718b69 | 1767 | |
ebc2ec48 | 1768 | tp = (struct r8152 *)data; |
1769 | ||
1770 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
1771 | return; | |
1772 | ||
1773 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
ac718b69 | 1774 | return; |
ebc2ec48 | 1775 | |
7559fb2f | 1776 | /* When link down, the driver would cancel all bulks. */ |
1777 | /* This avoid the re-submitting bulk */ | |
ebc2ec48 | 1778 | if (!netif_carrier_ok(tp->netdev)) |
ac718b69 | 1779 | return; |
ebc2ec48 | 1780 | |
9451a11c | 1781 | clear_bit(SCHEDULE_TASKLET, &tp->flags); |
1782 | ||
ebc2ec48 | 1783 | rx_bottom(tp); |
0c3121fc | 1784 | tx_bottom(tp); |
ebc2ec48 | 1785 | } |
1786 | ||
1787 | static | |
1788 | int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) | |
1789 | { | |
a0fccd48 | 1790 | int ret; |
1791 | ||
ef827a5b | 1792 | /* The rx would be stopped, so skip submitting */ |
1793 | if (test_bit(RTL8152_UNPLUG, &tp->flags) || | |
1794 | !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev)) | |
1795 | return 0; | |
1796 | ||
ebc2ec48 | 1797 | usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), |
52aec126 | 1798 | agg->head, agg_buf_sz, |
b209af99 | 1799 | (usb_complete_t)read_bulk_callback, agg); |
ebc2ec48 | 1800 | |
a0fccd48 | 1801 | ret = usb_submit_urb(agg->urb, mem_flags); |
1802 | if (ret == -ENODEV) { | |
1803 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
1804 | netif_device_detach(tp->netdev); | |
1805 | } else if (ret) { | |
1806 | struct urb *urb = agg->urb; | |
1807 | unsigned long flags; | |
1808 | ||
1809 | urb->actual_length = 0; | |
1810 | spin_lock_irqsave(&tp->rx_lock, flags); | |
1811 | list_add_tail(&agg->list, &tp->rx_done); | |
1812 | spin_unlock_irqrestore(&tp->rx_lock, flags); | |
1813 | tasklet_schedule(&tp->tl); | |
1814 | } | |
1815 | ||
1816 | return ret; | |
ac718b69 | 1817 | } |
1818 | ||
00a5e360 | 1819 | static void rtl_drop_queued_tx(struct r8152 *tp) |
1820 | { | |
1821 | struct net_device_stats *stats = &tp->netdev->stats; | |
d84130a1 | 1822 | struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue; |
00a5e360 | 1823 | struct sk_buff *skb; |
1824 | ||
d84130a1 | 1825 | if (skb_queue_empty(tx_queue)) |
1826 | return; | |
1827 | ||
1828 | __skb_queue_head_init(&skb_head); | |
2685d410 | 1829 | spin_lock_bh(&tx_queue->lock); |
d84130a1 | 1830 | skb_queue_splice_init(tx_queue, &skb_head); |
2685d410 | 1831 | spin_unlock_bh(&tx_queue->lock); |
d84130a1 | 1832 | |
1833 | while ((skb = __skb_dequeue(&skb_head))) { | |
00a5e360 | 1834 | dev_kfree_skb(skb); |
1835 | stats->tx_dropped++; | |
1836 | } | |
1837 | } | |
1838 | ||
ac718b69 | 1839 | static void rtl8152_tx_timeout(struct net_device *netdev) |
1840 | { | |
1841 | struct r8152 *tp = netdev_priv(netdev); | |
ebc2ec48 | 1842 | int i; |
1843 | ||
4a8deae2 | 1844 | netif_warn(tp, tx_err, netdev, "Tx timeout\n"); |
ebc2ec48 | 1845 | for (i = 0; i < RTL8152_MAX_TX; i++) |
1846 | usb_unlink_urb(tp->tx_info[i].urb); | |
ac718b69 | 1847 | } |
1848 | ||
1849 | static void rtl8152_set_rx_mode(struct net_device *netdev) | |
1850 | { | |
1851 | struct r8152 *tp = netdev_priv(netdev); | |
1852 | ||
40a82917 | 1853 | if (tp->speed & LINK_STATUS) { |
ac718b69 | 1854 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); |
40a82917 | 1855 | schedule_delayed_work(&tp->schedule, 0); |
1856 | } | |
ac718b69 | 1857 | } |
1858 | ||
1859 | static void _rtl8152_set_rx_mode(struct net_device *netdev) | |
1860 | { | |
1861 | struct r8152 *tp = netdev_priv(netdev); | |
31787f53 | 1862 | u32 mc_filter[2]; /* Multicast hash filter */ |
1863 | __le32 tmp[2]; | |
ac718b69 | 1864 | u32 ocp_data; |
1865 | ||
ac718b69 | 1866 | clear_bit(RTL8152_SET_RX_MODE, &tp->flags); |
1867 | netif_stop_queue(netdev); | |
1868 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
1869 | ocp_data &= ~RCR_ACPT_ALL; | |
1870 | ocp_data |= RCR_AB | RCR_APM; | |
1871 | ||
1872 | if (netdev->flags & IFF_PROMISC) { | |
1873 | /* Unconditionally log net taps. */ | |
1874 | netif_notice(tp, link, netdev, "Promiscuous mode enabled\n"); | |
1875 | ocp_data |= RCR_AM | RCR_AAP; | |
b209af99 | 1876 | mc_filter[1] = 0xffffffff; |
1877 | mc_filter[0] = 0xffffffff; | |
ac718b69 | 1878 | } else if ((netdev_mc_count(netdev) > multicast_filter_limit) || |
1879 | (netdev->flags & IFF_ALLMULTI)) { | |
1880 | /* Too many to filter perfectly -- accept all multicasts. */ | |
1881 | ocp_data |= RCR_AM; | |
b209af99 | 1882 | mc_filter[1] = 0xffffffff; |
1883 | mc_filter[0] = 0xffffffff; | |
ac718b69 | 1884 | } else { |
1885 | struct netdev_hw_addr *ha; | |
1886 | ||
b209af99 | 1887 | mc_filter[1] = 0; |
1888 | mc_filter[0] = 0; | |
ac718b69 | 1889 | netdev_for_each_mc_addr(ha, netdev) { |
1890 | int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; | |
b209af99 | 1891 | |
ac718b69 | 1892 | mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); |
1893 | ocp_data |= RCR_AM; | |
1894 | } | |
1895 | } | |
1896 | ||
31787f53 | 1897 | tmp[0] = __cpu_to_le32(swab32(mc_filter[1])); |
1898 | tmp[1] = __cpu_to_le32(swab32(mc_filter[0])); | |
ac718b69 | 1899 | |
31787f53 | 1900 | pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp); |
ac718b69 | 1901 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); |
1902 | netif_wake_queue(netdev); | |
ac718b69 | 1903 | } |
1904 | ||
a5e31255 | 1905 | static netdev_features_t |
1906 | rtl8152_features_check(struct sk_buff *skb, struct net_device *dev, | |
1907 | netdev_features_t features) | |
1908 | { | |
1909 | u32 mss = skb_shinfo(skb)->gso_size; | |
1910 | int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX; | |
1911 | int offset = skb_transport_offset(skb); | |
1912 | ||
1913 | if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset) | |
1914 | features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK); | |
1915 | else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz) | |
1916 | features &= ~NETIF_F_GSO_MASK; | |
1917 | ||
1918 | return features; | |
1919 | } | |
1920 | ||
ac718b69 | 1921 | static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, |
b209af99 | 1922 | struct net_device *netdev) |
ac718b69 | 1923 | { |
1924 | struct r8152 *tp = netdev_priv(netdev); | |
ac718b69 | 1925 | |
ebc2ec48 | 1926 | skb_tx_timestamp(skb); |
ac718b69 | 1927 | |
61598788 | 1928 | skb_queue_tail(&tp->tx_queue, skb); |
ebc2ec48 | 1929 | |
0c3121fc | 1930 | if (!list_empty(&tp->tx_free)) { |
1931 | if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { | |
1932 | set_bit(SCHEDULE_TASKLET, &tp->flags); | |
1933 | schedule_delayed_work(&tp->schedule, 0); | |
1934 | } else { | |
1935 | usb_mark_last_busy(tp->udev); | |
1936 | tasklet_schedule(&tp->tl); | |
1937 | } | |
b209af99 | 1938 | } else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) { |
dd1b119c | 1939 | netif_stop_queue(netdev); |
b209af99 | 1940 | } |
dd1b119c | 1941 | |
ac718b69 | 1942 | return NETDEV_TX_OK; |
1943 | } | |
1944 | ||
1945 | static void r8152b_reset_packet_filter(struct r8152 *tp) | |
1946 | { | |
1947 | u32 ocp_data; | |
1948 | ||
1949 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC); | |
1950 | ocp_data &= ~FMC_FCR_MCU_EN; | |
1951 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); | |
1952 | ocp_data |= FMC_FCR_MCU_EN; | |
1953 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); | |
1954 | } | |
1955 | ||
1956 | static void rtl8152_nic_reset(struct r8152 *tp) | |
1957 | { | |
1958 | int i; | |
1959 | ||
1960 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST); | |
1961 | ||
1962 | for (i = 0; i < 1000; i++) { | |
1963 | if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST)) | |
1964 | break; | |
b209af99 | 1965 | usleep_range(100, 400); |
ac718b69 | 1966 | } |
1967 | } | |
1968 | ||
dd1b119c | 1969 | static void set_tx_qlen(struct r8152 *tp) |
1970 | { | |
1971 | struct net_device *netdev = tp->netdev; | |
1972 | ||
52aec126 | 1973 | tp->tx_qlen = agg_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + VLAN_HLEN + |
1974 | sizeof(struct tx_desc)); | |
dd1b119c | 1975 | } |
1976 | ||
ac718b69 | 1977 | static inline u8 rtl8152_get_speed(struct r8152 *tp) |
1978 | { | |
1979 | return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS); | |
1980 | } | |
1981 | ||
507605a8 | 1982 | static void rtl_set_eee_plus(struct r8152 *tp) |
ac718b69 | 1983 | { |
ebc2ec48 | 1984 | u32 ocp_data; |
ac718b69 | 1985 | u8 speed; |
1986 | ||
1987 | speed = rtl8152_get_speed(tp); | |
ebc2ec48 | 1988 | if (speed & _10bps) { |
ac718b69 | 1989 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); |
ebc2ec48 | 1990 | ocp_data |= EEEP_CR_EEEP_TX; |
ac718b69 | 1991 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); |
1992 | } else { | |
1993 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); | |
ebc2ec48 | 1994 | ocp_data &= ~EEEP_CR_EEEP_TX; |
ac718b69 | 1995 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); |
1996 | } | |
507605a8 | 1997 | } |
1998 | ||
00a5e360 | 1999 | static void rxdy_gated_en(struct r8152 *tp, bool enable) |
2000 | { | |
2001 | u32 ocp_data; | |
2002 | ||
2003 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
2004 | if (enable) | |
2005 | ocp_data |= RXDY_GATED_EN; | |
2006 | else | |
2007 | ocp_data &= ~RXDY_GATED_EN; | |
2008 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
2009 | } | |
2010 | ||
445f7f4d | 2011 | static int rtl_start_rx(struct r8152 *tp) |
2012 | { | |
2013 | int i, ret = 0; | |
2014 | ||
2015 | INIT_LIST_HEAD(&tp->rx_done); | |
2016 | for (i = 0; i < RTL8152_MAX_RX; i++) { | |
2017 | INIT_LIST_HEAD(&tp->rx_info[i].list); | |
2018 | ret = r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL); | |
2019 | if (ret) | |
2020 | break; | |
2021 | } | |
2022 | ||
7bcf4f60 | 2023 | if (ret && ++i < RTL8152_MAX_RX) { |
2024 | struct list_head rx_queue; | |
2025 | unsigned long flags; | |
2026 | ||
2027 | INIT_LIST_HEAD(&rx_queue); | |
2028 | ||
2029 | do { | |
2030 | struct rx_agg *agg = &tp->rx_info[i++]; | |
2031 | struct urb *urb = agg->urb; | |
2032 | ||
2033 | urb->actual_length = 0; | |
2034 | list_add_tail(&agg->list, &rx_queue); | |
2035 | } while (i < RTL8152_MAX_RX); | |
2036 | ||
2037 | spin_lock_irqsave(&tp->rx_lock, flags); | |
2038 | list_splice_tail(&rx_queue, &tp->rx_done); | |
2039 | spin_unlock_irqrestore(&tp->rx_lock, flags); | |
2040 | } | |
2041 | ||
445f7f4d | 2042 | return ret; |
2043 | } | |
2044 | ||
2045 | static int rtl_stop_rx(struct r8152 *tp) | |
2046 | { | |
2047 | int i; | |
2048 | ||
2049 | for (i = 0; i < RTL8152_MAX_RX; i++) | |
2050 | usb_kill_urb(tp->rx_info[i].urb); | |
2051 | ||
2052 | return 0; | |
2053 | } | |
2054 | ||
507605a8 | 2055 | static int rtl_enable(struct r8152 *tp) |
2056 | { | |
2057 | u32 ocp_data; | |
ac718b69 | 2058 | |
2059 | r8152b_reset_packet_filter(tp); | |
2060 | ||
2061 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR); | |
2062 | ocp_data |= CR_RE | CR_TE; | |
2063 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data); | |
2064 | ||
00a5e360 | 2065 | rxdy_gated_en(tp, false); |
ac718b69 | 2066 | |
aa2e0926 | 2067 | return 0; |
ac718b69 | 2068 | } |
2069 | ||
507605a8 | 2070 | static int rtl8152_enable(struct r8152 *tp) |
2071 | { | |
6871438c | 2072 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
2073 | return -ENODEV; | |
2074 | ||
507605a8 | 2075 | set_tx_qlen(tp); |
2076 | rtl_set_eee_plus(tp); | |
2077 | ||
2078 | return rtl_enable(tp); | |
2079 | } | |
2080 | ||
43779f8d | 2081 | static void r8153_set_rx_agg(struct r8152 *tp) |
2082 | { | |
2083 | u8 speed; | |
2084 | ||
2085 | speed = rtl8152_get_speed(tp); | |
2086 | if (speed & _1000bps) { | |
2087 | if (tp->udev->speed == USB_SPEED_SUPER) { | |
2088 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, | |
2089 | RX_THR_SUPPER); | |
2090 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG, | |
2091 | EARLY_AGG_SUPPER); | |
2092 | } else { | |
2093 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, | |
2094 | RX_THR_HIGH); | |
2095 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG, | |
2096 | EARLY_AGG_HIGH); | |
2097 | } | |
2098 | } else { | |
2099 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_SLOW); | |
2100 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG, | |
2101 | EARLY_AGG_SLOW); | |
2102 | } | |
2103 | } | |
2104 | ||
2105 | static int rtl8153_enable(struct r8152 *tp) | |
2106 | { | |
6871438c | 2107 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
2108 | return -ENODEV; | |
2109 | ||
43779f8d | 2110 | set_tx_qlen(tp); |
2111 | rtl_set_eee_plus(tp); | |
2112 | r8153_set_rx_agg(tp); | |
2113 | ||
2114 | return rtl_enable(tp); | |
2115 | } | |
2116 | ||
d70b1137 | 2117 | static void rtl_disable(struct r8152 *tp) |
ac718b69 | 2118 | { |
ebc2ec48 | 2119 | u32 ocp_data; |
2120 | int i; | |
ac718b69 | 2121 | |
6871438c | 2122 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) { |
2123 | rtl_drop_queued_tx(tp); | |
2124 | return; | |
2125 | } | |
2126 | ||
ac718b69 | 2127 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); |
2128 | ocp_data &= ~RCR_ACPT_ALL; | |
2129 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
2130 | ||
00a5e360 | 2131 | rtl_drop_queued_tx(tp); |
ebc2ec48 | 2132 | |
2133 | for (i = 0; i < RTL8152_MAX_TX; i++) | |
2134 | usb_kill_urb(tp->tx_info[i].urb); | |
ac718b69 | 2135 | |
00a5e360 | 2136 | rxdy_gated_en(tp, true); |
ac718b69 | 2137 | |
2138 | for (i = 0; i < 1000; i++) { | |
2139 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2140 | if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY) | |
2141 | break; | |
8ddfa077 | 2142 | usleep_range(1000, 2000); |
ac718b69 | 2143 | } |
2144 | ||
2145 | for (i = 0; i < 1000; i++) { | |
2146 | if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY) | |
2147 | break; | |
8ddfa077 | 2148 | usleep_range(1000, 2000); |
ac718b69 | 2149 | } |
2150 | ||
445f7f4d | 2151 | rtl_stop_rx(tp); |
ac718b69 | 2152 | |
2153 | rtl8152_nic_reset(tp); | |
2154 | } | |
2155 | ||
00a5e360 | 2156 | static void r8152_power_cut_en(struct r8152 *tp, bool enable) |
2157 | { | |
2158 | u32 ocp_data; | |
2159 | ||
2160 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); | |
2161 | if (enable) | |
2162 | ocp_data |= POWER_CUT; | |
2163 | else | |
2164 | ocp_data &= ~POWER_CUT; | |
2165 | ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); | |
2166 | ||
2167 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); | |
2168 | ocp_data &= ~RESUME_INDICATE; | |
2169 | ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); | |
00a5e360 | 2170 | } |
2171 | ||
c5554298 | 2172 | static void rtl_rx_vlan_en(struct r8152 *tp, bool enable) |
2173 | { | |
2174 | u32 ocp_data; | |
2175 | ||
2176 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); | |
2177 | if (enable) | |
2178 | ocp_data |= CPCR_RX_VLAN; | |
2179 | else | |
2180 | ocp_data &= ~CPCR_RX_VLAN; | |
2181 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); | |
2182 | } | |
2183 | ||
2184 | static int rtl8152_set_features(struct net_device *dev, | |
2185 | netdev_features_t features) | |
2186 | { | |
2187 | netdev_features_t changed = features ^ dev->features; | |
2188 | struct r8152 *tp = netdev_priv(dev); | |
405f8a0e | 2189 | int ret; |
2190 | ||
2191 | ret = usb_autopm_get_interface(tp->intf); | |
2192 | if (ret < 0) | |
2193 | goto out; | |
c5554298 | 2194 | |
b5403273 | 2195 | mutex_lock(&tp->control); |
2196 | ||
c5554298 | 2197 | if (changed & NETIF_F_HW_VLAN_CTAG_RX) { |
2198 | if (features & NETIF_F_HW_VLAN_CTAG_RX) | |
2199 | rtl_rx_vlan_en(tp, true); | |
2200 | else | |
2201 | rtl_rx_vlan_en(tp, false); | |
2202 | } | |
2203 | ||
b5403273 | 2204 | mutex_unlock(&tp->control); |
2205 | ||
405f8a0e | 2206 | usb_autopm_put_interface(tp->intf); |
2207 | ||
2208 | out: | |
2209 | return ret; | |
c5554298 | 2210 | } |
2211 | ||
21ff2e89 | 2212 | #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) |
2213 | ||
2214 | static u32 __rtl_get_wol(struct r8152 *tp) | |
2215 | { | |
2216 | u32 ocp_data; | |
2217 | u32 wolopts = 0; | |
2218 | ||
2219 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5); | |
2220 | if (!(ocp_data & LAN_WAKE_EN)) | |
2221 | return 0; | |
2222 | ||
2223 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); | |
2224 | if (ocp_data & LINK_ON_WAKE_EN) | |
2225 | wolopts |= WAKE_PHY; | |
2226 | ||
2227 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5); | |
2228 | if (ocp_data & UWF_EN) | |
2229 | wolopts |= WAKE_UCAST; | |
2230 | if (ocp_data & BWF_EN) | |
2231 | wolopts |= WAKE_BCAST; | |
2232 | if (ocp_data & MWF_EN) | |
2233 | wolopts |= WAKE_MCAST; | |
2234 | ||
2235 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); | |
2236 | if (ocp_data & MAGIC_EN) | |
2237 | wolopts |= WAKE_MAGIC; | |
2238 | ||
2239 | return wolopts; | |
2240 | } | |
2241 | ||
2242 | static void __rtl_set_wol(struct r8152 *tp, u32 wolopts) | |
2243 | { | |
2244 | u32 ocp_data; | |
2245 | ||
2246 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); | |
2247 | ||
2248 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); | |
2249 | ocp_data &= ~LINK_ON_WAKE_EN; | |
2250 | if (wolopts & WAKE_PHY) | |
2251 | ocp_data |= LINK_ON_WAKE_EN; | |
2252 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data); | |
2253 | ||
2254 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5); | |
2255 | ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN); | |
2256 | if (wolopts & WAKE_UCAST) | |
2257 | ocp_data |= UWF_EN; | |
2258 | if (wolopts & WAKE_BCAST) | |
2259 | ocp_data |= BWF_EN; | |
2260 | if (wolopts & WAKE_MCAST) | |
2261 | ocp_data |= MWF_EN; | |
2262 | if (wolopts & WAKE_ANY) | |
2263 | ocp_data |= LAN_WAKE_EN; | |
2264 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data); | |
2265 | ||
2266 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); | |
2267 | ||
2268 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); | |
2269 | ocp_data &= ~MAGIC_EN; | |
2270 | if (wolopts & WAKE_MAGIC) | |
2271 | ocp_data |= MAGIC_EN; | |
2272 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data); | |
2273 | ||
2274 | if (wolopts & WAKE_ANY) | |
2275 | device_set_wakeup_enable(&tp->udev->dev, true); | |
2276 | else | |
2277 | device_set_wakeup_enable(&tp->udev->dev, false); | |
2278 | } | |
2279 | ||
9a4be1bd | 2280 | static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) |
2281 | { | |
2282 | if (enable) { | |
2283 | u32 ocp_data; | |
2284 | ||
2285 | __rtl_set_wol(tp, WAKE_ANY); | |
2286 | ||
2287 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); | |
2288 | ||
2289 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); | |
2290 | ocp_data |= LINK_OFF_WAKE_EN; | |
2291 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data); | |
2292 | ||
2293 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); | |
2294 | } else { | |
2295 | __rtl_set_wol(tp, tp->saved_wolopts); | |
2296 | } | |
2297 | } | |
2298 | ||
aa66a5f1 | 2299 | static void rtl_phy_reset(struct r8152 *tp) |
2300 | { | |
2301 | u16 data; | |
2302 | int i; | |
2303 | ||
2304 | clear_bit(PHY_RESET, &tp->flags); | |
2305 | ||
2306 | data = r8152_mdio_read(tp, MII_BMCR); | |
2307 | ||
2308 | /* don't reset again before the previous one complete */ | |
2309 | if (data & BMCR_RESET) | |
2310 | return; | |
2311 | ||
2312 | data |= BMCR_RESET; | |
2313 | r8152_mdio_write(tp, MII_BMCR, data); | |
2314 | ||
2315 | for (i = 0; i < 50; i++) { | |
2316 | msleep(20); | |
2317 | if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0) | |
2318 | break; | |
2319 | } | |
2320 | } | |
2321 | ||
4349968a | 2322 | static void r8153_teredo_off(struct r8152 *tp) |
2323 | { | |
2324 | u32 ocp_data; | |
2325 | ||
2326 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG); | |
2327 | ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK | OOB_TEREDO_EN); | |
2328 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data); | |
2329 | ||
2330 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE); | |
2331 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0); | |
2332 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0); | |
2333 | } | |
2334 | ||
2335 | static void r8152b_disable_aldps(struct r8152 *tp) | |
2336 | { | |
2337 | ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE); | |
2338 | msleep(20); | |
2339 | } | |
2340 | ||
2341 | static inline void r8152b_enable_aldps(struct r8152 *tp) | |
2342 | { | |
2343 | ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS | | |
2344 | LINKENA | DIS_SDSAVE); | |
2345 | } | |
2346 | ||
d70b1137 | 2347 | static void rtl8152_disable(struct r8152 *tp) |
2348 | { | |
2349 | r8152b_disable_aldps(tp); | |
2350 | rtl_disable(tp); | |
2351 | r8152b_enable_aldps(tp); | |
2352 | } | |
2353 | ||
4349968a | 2354 | static void r8152b_hw_phy_cfg(struct r8152 *tp) |
2355 | { | |
f0cbe0ac | 2356 | u16 data; |
2357 | ||
2358 | data = r8152_mdio_read(tp, MII_BMCR); | |
2359 | if (data & BMCR_PDOWN) { | |
2360 | data &= ~BMCR_PDOWN; | |
2361 | r8152_mdio_write(tp, MII_BMCR, data); | |
2362 | } | |
2363 | ||
aa66a5f1 | 2364 | set_bit(PHY_RESET, &tp->flags); |
4349968a | 2365 | } |
2366 | ||
ac718b69 | 2367 | static void r8152b_exit_oob(struct r8152 *tp) |
2368 | { | |
db8515ef | 2369 | u32 ocp_data; |
2370 | int i; | |
ac718b69 | 2371 | |
2372 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
2373 | ocp_data &= ~RCR_ACPT_ALL; | |
2374 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
2375 | ||
00a5e360 | 2376 | rxdy_gated_en(tp, true); |
da9bd117 | 2377 | r8153_teredo_off(tp); |
7e9da481 | 2378 | r8152b_hw_phy_cfg(tp); |
ac718b69 | 2379 | |
2380 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); | |
2381 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); | |
2382 | ||
2383 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2384 | ocp_data &= ~NOW_IS_OOB; | |
2385 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
2386 | ||
2387 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
2388 | ocp_data &= ~MCU_BORW_EN; | |
2389 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
2390 | ||
2391 | for (i = 0; i < 1000; i++) { | |
2392 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2393 | if (ocp_data & LINK_LIST_READY) | |
2394 | break; | |
8ddfa077 | 2395 | usleep_range(1000, 2000); |
ac718b69 | 2396 | } |
2397 | ||
2398 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
2399 | ocp_data |= RE_INIT_LL; | |
2400 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
2401 | ||
2402 | for (i = 0; i < 1000; i++) { | |
2403 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2404 | if (ocp_data & LINK_LIST_READY) | |
2405 | break; | |
8ddfa077 | 2406 | usleep_range(1000, 2000); |
ac718b69 | 2407 | } |
2408 | ||
2409 | rtl8152_nic_reset(tp); | |
2410 | ||
2411 | /* rx share fifo credit full threshold */ | |
2412 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); | |
2413 | ||
a3cc465d | 2414 | if (tp->udev->speed == USB_SPEED_FULL || |
2415 | tp->udev->speed == USB_SPEED_LOW) { | |
ac718b69 | 2416 | /* rx share fifo credit near full threshold */ |
2417 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, | |
2418 | RXFIFO_THR2_FULL); | |
2419 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, | |
2420 | RXFIFO_THR3_FULL); | |
2421 | } else { | |
2422 | /* rx share fifo credit near full threshold */ | |
2423 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, | |
2424 | RXFIFO_THR2_HIGH); | |
2425 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, | |
2426 | RXFIFO_THR3_HIGH); | |
2427 | } | |
2428 | ||
2429 | /* TX share fifo free credit full threshold */ | |
2430 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL); | |
2431 | ||
2432 | ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD); | |
8e1f51bd | 2433 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH); |
ac718b69 | 2434 | ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA, |
2435 | TEST_MODE_DISABLE | TX_SIZE_ADJUST1); | |
2436 | ||
c5554298 | 2437 | rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX); |
ac718b69 | 2438 | |
2439 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); | |
2440 | ||
2441 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); | |
2442 | ocp_data |= TCR0_AUTO_FIFO; | |
2443 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); | |
2444 | } | |
2445 | ||
2446 | static void r8152b_enter_oob(struct r8152 *tp) | |
2447 | { | |
45f4a19f | 2448 | u32 ocp_data; |
2449 | int i; | |
ac718b69 | 2450 | |
2451 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2452 | ocp_data &= ~NOW_IS_OOB; | |
2453 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
2454 | ||
2455 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB); | |
2456 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB); | |
2457 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB); | |
2458 | ||
d70b1137 | 2459 | rtl_disable(tp); |
ac718b69 | 2460 | |
2461 | for (i = 0; i < 1000; i++) { | |
2462 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2463 | if (ocp_data & LINK_LIST_READY) | |
2464 | break; | |
8ddfa077 | 2465 | usleep_range(1000, 2000); |
ac718b69 | 2466 | } |
2467 | ||
2468 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
2469 | ocp_data |= RE_INIT_LL; | |
2470 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
2471 | ||
2472 | for (i = 0; i < 1000; i++) { | |
2473 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2474 | if (ocp_data & LINK_LIST_READY) | |
2475 | break; | |
8ddfa077 | 2476 | usleep_range(1000, 2000); |
ac718b69 | 2477 | } |
2478 | ||
2479 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); | |
2480 | ||
c5554298 | 2481 | rtl_rx_vlan_en(tp, true); |
ac718b69 | 2482 | |
2483 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); | |
2484 | ocp_data |= ALDPS_PROXY_MODE; | |
2485 | ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); | |
2486 | ||
2487 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2488 | ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; | |
2489 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
2490 | ||
00a5e360 | 2491 | rxdy_gated_en(tp, false); |
ac718b69 | 2492 | |
2493 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
2494 | ocp_data |= RCR_APM | RCR_AM | RCR_AB; | |
2495 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
2496 | } | |
2497 | ||
43779f8d | 2498 | static void r8153_hw_phy_cfg(struct r8152 *tp) |
2499 | { | |
2500 | u32 ocp_data; | |
2501 | u16 data; | |
2502 | ||
2503 | ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L); | |
f0cbe0ac | 2504 | data = r8152_mdio_read(tp, MII_BMCR); |
2505 | if (data & BMCR_PDOWN) { | |
2506 | data &= ~BMCR_PDOWN; | |
2507 | r8152_mdio_write(tp, MII_BMCR, data); | |
2508 | } | |
43779f8d | 2509 | |
2510 | if (tp->version == RTL_VER_03) { | |
2511 | data = ocp_reg_read(tp, OCP_EEE_CFG); | |
2512 | data &= ~CTAP_SHORT_EN; | |
2513 | ocp_reg_write(tp, OCP_EEE_CFG, data); | |
2514 | } | |
2515 | ||
2516 | data = ocp_reg_read(tp, OCP_POWER_CFG); | |
2517 | data |= EEE_CLKDIV_EN; | |
2518 | ocp_reg_write(tp, OCP_POWER_CFG, data); | |
2519 | ||
2520 | data = ocp_reg_read(tp, OCP_DOWN_SPEED); | |
2521 | data |= EN_10M_BGOFF; | |
2522 | ocp_reg_write(tp, OCP_DOWN_SPEED, data); | |
2523 | data = ocp_reg_read(tp, OCP_POWER_CFG); | |
2524 | data |= EN_10M_PLLOFF; | |
2525 | ocp_reg_write(tp, OCP_POWER_CFG, data); | |
2526 | data = sram_read(tp, SRAM_IMPEDANCE); | |
2527 | data &= ~RX_DRIVING_MASK; | |
2528 | sram_write(tp, SRAM_IMPEDANCE, data); | |
2529 | ||
2530 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); | |
2531 | ocp_data |= PFM_PWM_SWITCH; | |
2532 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); | |
2533 | ||
2534 | data = sram_read(tp, SRAM_LPF_CFG); | |
2535 | data |= LPF_AUTO_TUNE; | |
2536 | sram_write(tp, SRAM_LPF_CFG, data); | |
2537 | ||
2538 | data = sram_read(tp, SRAM_10M_AMP1); | |
2539 | data |= GDAC_IB_UPALL; | |
2540 | sram_write(tp, SRAM_10M_AMP1, data); | |
2541 | data = sram_read(tp, SRAM_10M_AMP2); | |
2542 | data |= AMP_DN; | |
2543 | sram_write(tp, SRAM_10M_AMP2, data); | |
aa66a5f1 | 2544 | |
2545 | set_bit(PHY_RESET, &tp->flags); | |
43779f8d | 2546 | } |
2547 | ||
b9702723 | 2548 | static void r8153_u1u2en(struct r8152 *tp, bool enable) |
43779f8d | 2549 | { |
2550 | u8 u1u2[8]; | |
2551 | ||
2552 | if (enable) | |
2553 | memset(u1u2, 0xff, sizeof(u1u2)); | |
2554 | else | |
2555 | memset(u1u2, 0x00, sizeof(u1u2)); | |
2556 | ||
2557 | usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); | |
2558 | } | |
2559 | ||
b9702723 | 2560 | static void r8153_u2p3en(struct r8152 *tp, bool enable) |
43779f8d | 2561 | { |
2562 | u32 ocp_data; | |
2563 | ||
2564 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); | |
2565 | if (enable) | |
2566 | ocp_data |= U2P3_ENABLE; | |
2567 | else | |
2568 | ocp_data &= ~U2P3_ENABLE; | |
2569 | ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); | |
2570 | } | |
2571 | ||
b9702723 | 2572 | static void r8153_power_cut_en(struct r8152 *tp, bool enable) |
43779f8d | 2573 | { |
2574 | u32 ocp_data; | |
2575 | ||
2576 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); | |
2577 | if (enable) | |
2578 | ocp_data |= PWR_EN | PHASE2_EN; | |
2579 | else | |
2580 | ocp_data &= ~(PWR_EN | PHASE2_EN); | |
2581 | ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); | |
2582 | ||
2583 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); | |
2584 | ocp_data &= ~PCUT_STATUS; | |
2585 | ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); | |
2586 | } | |
2587 | ||
43779f8d | 2588 | static void r8153_first_init(struct r8152 *tp) |
2589 | { | |
2590 | u32 ocp_data; | |
2591 | int i; | |
2592 | ||
00a5e360 | 2593 | rxdy_gated_en(tp, true); |
43779f8d | 2594 | r8153_teredo_off(tp); |
2595 | ||
2596 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
2597 | ocp_data &= ~RCR_ACPT_ALL; | |
2598 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
2599 | ||
2600 | r8153_hw_phy_cfg(tp); | |
2601 | ||
2602 | rtl8152_nic_reset(tp); | |
2603 | ||
2604 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2605 | ocp_data &= ~NOW_IS_OOB; | |
2606 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
2607 | ||
2608 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
2609 | ocp_data &= ~MCU_BORW_EN; | |
2610 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
2611 | ||
2612 | for (i = 0; i < 1000; i++) { | |
2613 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2614 | if (ocp_data & LINK_LIST_READY) | |
2615 | break; | |
8ddfa077 | 2616 | usleep_range(1000, 2000); |
43779f8d | 2617 | } |
2618 | ||
2619 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
2620 | ocp_data |= RE_INIT_LL; | |
2621 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
2622 | ||
2623 | for (i = 0; i < 1000; i++) { | |
2624 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2625 | if (ocp_data & LINK_LIST_READY) | |
2626 | break; | |
8ddfa077 | 2627 | usleep_range(1000, 2000); |
43779f8d | 2628 | } |
2629 | ||
c5554298 | 2630 | rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX); |
43779f8d | 2631 | |
69b4b7a4 | 2632 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS); |
2633 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO); | |
43779f8d | 2634 | |
2635 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); | |
2636 | ocp_data |= TCR0_AUTO_FIFO; | |
2637 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); | |
2638 | ||
2639 | rtl8152_nic_reset(tp); | |
2640 | ||
2641 | /* rx share fifo credit full threshold */ | |
2642 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); | |
2643 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL); | |
2644 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL); | |
2645 | /* TX share fifo free credit full threshold */ | |
2646 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2); | |
2647 | ||
9629e3c0 | 2648 | /* rx aggregation */ |
43779f8d | 2649 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); |
2650 | ocp_data &= ~RX_AGG_DISABLE; | |
2651 | ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); | |
2652 | } | |
2653 | ||
2654 | static void r8153_enter_oob(struct r8152 *tp) | |
2655 | { | |
2656 | u32 ocp_data; | |
2657 | int i; | |
2658 | ||
2659 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2660 | ocp_data &= ~NOW_IS_OOB; | |
2661 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
2662 | ||
d70b1137 | 2663 | rtl_disable(tp); |
43779f8d | 2664 | |
2665 | for (i = 0; i < 1000; i++) { | |
2666 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2667 | if (ocp_data & LINK_LIST_READY) | |
2668 | break; | |
8ddfa077 | 2669 | usleep_range(1000, 2000); |
43779f8d | 2670 | } |
2671 | ||
2672 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
2673 | ocp_data |= RE_INIT_LL; | |
2674 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
2675 | ||
2676 | for (i = 0; i < 1000; i++) { | |
2677 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2678 | if (ocp_data & LINK_LIST_READY) | |
2679 | break; | |
8ddfa077 | 2680 | usleep_range(1000, 2000); |
43779f8d | 2681 | } |
2682 | ||
69b4b7a4 | 2683 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS); |
43779f8d | 2684 | |
43779f8d | 2685 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG); |
2686 | ocp_data &= ~TEREDO_WAKE_MASK; | |
2687 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data); | |
2688 | ||
c5554298 | 2689 | rtl_rx_vlan_en(tp, true); |
43779f8d | 2690 | |
2691 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); | |
2692 | ocp_data |= ALDPS_PROXY_MODE; | |
2693 | ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); | |
2694 | ||
2695 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
2696 | ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; | |
2697 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
2698 | ||
00a5e360 | 2699 | rxdy_gated_en(tp, false); |
43779f8d | 2700 | |
2701 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
2702 | ocp_data |= RCR_APM | RCR_AM | RCR_AB; | |
2703 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
2704 | } | |
2705 | ||
2706 | static void r8153_disable_aldps(struct r8152 *tp) | |
2707 | { | |
2708 | u16 data; | |
2709 | ||
2710 | data = ocp_reg_read(tp, OCP_POWER_CFG); | |
2711 | data &= ~EN_ALDPS; | |
2712 | ocp_reg_write(tp, OCP_POWER_CFG, data); | |
2713 | msleep(20); | |
2714 | } | |
2715 | ||
2716 | static void r8153_enable_aldps(struct r8152 *tp) | |
2717 | { | |
2718 | u16 data; | |
2719 | ||
2720 | data = ocp_reg_read(tp, OCP_POWER_CFG); | |
2721 | data |= EN_ALDPS; | |
2722 | ocp_reg_write(tp, OCP_POWER_CFG, data); | |
2723 | } | |
2724 | ||
d70b1137 | 2725 | static void rtl8153_disable(struct r8152 *tp) |
2726 | { | |
2727 | r8153_disable_aldps(tp); | |
2728 | rtl_disable(tp); | |
2729 | r8153_enable_aldps(tp); | |
2730 | } | |
2731 | ||
ac718b69 | 2732 | static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) |
2733 | { | |
43779f8d | 2734 | u16 bmcr, anar, gbcr; |
ac718b69 | 2735 | int ret = 0; |
2736 | ||
2737 | cancel_delayed_work_sync(&tp->schedule); | |
2738 | anar = r8152_mdio_read(tp, MII_ADVERTISE); | |
2739 | anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | | |
2740 | ADVERTISE_100HALF | ADVERTISE_100FULL); | |
43779f8d | 2741 | if (tp->mii.supports_gmii) { |
2742 | gbcr = r8152_mdio_read(tp, MII_CTRL1000); | |
2743 | gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); | |
2744 | } else { | |
2745 | gbcr = 0; | |
2746 | } | |
ac718b69 | 2747 | |
2748 | if (autoneg == AUTONEG_DISABLE) { | |
2749 | if (speed == SPEED_10) { | |
2750 | bmcr = 0; | |
2751 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
2752 | } else if (speed == SPEED_100) { | |
2753 | bmcr = BMCR_SPEED100; | |
2754 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; | |
43779f8d | 2755 | } else if (speed == SPEED_1000 && tp->mii.supports_gmii) { |
2756 | bmcr = BMCR_SPEED1000; | |
2757 | gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; | |
ac718b69 | 2758 | } else { |
2759 | ret = -EINVAL; | |
2760 | goto out; | |
2761 | } | |
2762 | ||
2763 | if (duplex == DUPLEX_FULL) | |
2764 | bmcr |= BMCR_FULLDPLX; | |
2765 | } else { | |
2766 | if (speed == SPEED_10) { | |
2767 | if (duplex == DUPLEX_FULL) | |
2768 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
2769 | else | |
2770 | anar |= ADVERTISE_10HALF; | |
2771 | } else if (speed == SPEED_100) { | |
2772 | if (duplex == DUPLEX_FULL) { | |
2773 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
2774 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; | |
2775 | } else { | |
2776 | anar |= ADVERTISE_10HALF; | |
2777 | anar |= ADVERTISE_100HALF; | |
2778 | } | |
43779f8d | 2779 | } else if (speed == SPEED_1000 && tp->mii.supports_gmii) { |
2780 | if (duplex == DUPLEX_FULL) { | |
2781 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
2782 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; | |
2783 | gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; | |
2784 | } else { | |
2785 | anar |= ADVERTISE_10HALF; | |
2786 | anar |= ADVERTISE_100HALF; | |
2787 | gbcr |= ADVERTISE_1000HALF; | |
2788 | } | |
ac718b69 | 2789 | } else { |
2790 | ret = -EINVAL; | |
2791 | goto out; | |
2792 | } | |
2793 | ||
2794 | bmcr = BMCR_ANENABLE | BMCR_ANRESTART; | |
2795 | } | |
2796 | ||
aa66a5f1 | 2797 | if (test_bit(PHY_RESET, &tp->flags)) |
2798 | bmcr |= BMCR_RESET; | |
2799 | ||
43779f8d | 2800 | if (tp->mii.supports_gmii) |
2801 | r8152_mdio_write(tp, MII_CTRL1000, gbcr); | |
2802 | ||
ac718b69 | 2803 | r8152_mdio_write(tp, MII_ADVERTISE, anar); |
2804 | r8152_mdio_write(tp, MII_BMCR, bmcr); | |
2805 | ||
aa66a5f1 | 2806 | if (test_bit(PHY_RESET, &tp->flags)) { |
2807 | int i; | |
2808 | ||
2809 | clear_bit(PHY_RESET, &tp->flags); | |
2810 | for (i = 0; i < 50; i++) { | |
2811 | msleep(20); | |
2812 | if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0) | |
2813 | break; | |
2814 | } | |
2815 | } | |
2816 | ||
ac718b69 | 2817 | out: |
ac718b69 | 2818 | |
2819 | return ret; | |
2820 | } | |
2821 | ||
d70b1137 | 2822 | static void rtl8152_up(struct r8152 *tp) |
2823 | { | |
2824 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
2825 | return; | |
2826 | ||
2827 | r8152b_disable_aldps(tp); | |
2828 | r8152b_exit_oob(tp); | |
2829 | r8152b_enable_aldps(tp); | |
2830 | } | |
2831 | ||
ac718b69 | 2832 | static void rtl8152_down(struct r8152 *tp) |
2833 | { | |
6871438c | 2834 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) { |
2835 | rtl_drop_queued_tx(tp); | |
2836 | return; | |
2837 | } | |
2838 | ||
00a5e360 | 2839 | r8152_power_cut_en(tp, false); |
ac718b69 | 2840 | r8152b_disable_aldps(tp); |
2841 | r8152b_enter_oob(tp); | |
2842 | r8152b_enable_aldps(tp); | |
2843 | } | |
2844 | ||
d70b1137 | 2845 | static void rtl8153_up(struct r8152 *tp) |
2846 | { | |
2847 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
2848 | return; | |
2849 | ||
2850 | r8153_disable_aldps(tp); | |
2851 | r8153_first_init(tp); | |
2852 | r8153_enable_aldps(tp); | |
2853 | } | |
2854 | ||
43779f8d | 2855 | static void rtl8153_down(struct r8152 *tp) |
2856 | { | |
6871438c | 2857 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) { |
2858 | rtl_drop_queued_tx(tp); | |
2859 | return; | |
2860 | } | |
2861 | ||
b9702723 | 2862 | r8153_u1u2en(tp, false); |
2863 | r8153_power_cut_en(tp, false); | |
43779f8d | 2864 | r8153_disable_aldps(tp); |
2865 | r8153_enter_oob(tp); | |
2866 | r8153_enable_aldps(tp); | |
2867 | } | |
2868 | ||
ac718b69 | 2869 | static void set_carrier(struct r8152 *tp) |
2870 | { | |
2871 | struct net_device *netdev = tp->netdev; | |
2872 | u8 speed; | |
2873 | ||
40a82917 | 2874 | clear_bit(RTL8152_LINK_CHG, &tp->flags); |
ac718b69 | 2875 | speed = rtl8152_get_speed(tp); |
2876 | ||
2877 | if (speed & LINK_STATUS) { | |
2878 | if (!(tp->speed & LINK_STATUS)) { | |
c81229c9 | 2879 | tp->rtl_ops.enable(tp); |
ac718b69 | 2880 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); |
2881 | netif_carrier_on(netdev); | |
aa2e0926 | 2882 | rtl_start_rx(tp); |
ac718b69 | 2883 | } |
2884 | } else { | |
2885 | if (tp->speed & LINK_STATUS) { | |
2886 | netif_carrier_off(netdev); | |
ebc2ec48 | 2887 | tasklet_disable(&tp->tl); |
c81229c9 | 2888 | tp->rtl_ops.disable(tp); |
ebc2ec48 | 2889 | tasklet_enable(&tp->tl); |
ac718b69 | 2890 | } |
2891 | } | |
2892 | tp->speed = speed; | |
2893 | } | |
2894 | ||
2895 | static void rtl_work_func_t(struct work_struct *work) | |
2896 | { | |
2897 | struct r8152 *tp = container_of(work, struct r8152, schedule.work); | |
2898 | ||
a1f83fee | 2899 | /* If the device is unplugged or !netif_running(), the workqueue |
2900 | * doesn't need to wake the device, and could return directly. | |
2901 | */ | |
2902 | if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev)) | |
2903 | return; | |
2904 | ||
9a4be1bd | 2905 | if (usb_autopm_get_interface(tp->intf) < 0) |
2906 | return; | |
2907 | ||
ac718b69 | 2908 | if (!test_bit(WORK_ENABLE, &tp->flags)) |
2909 | goto out1; | |
2910 | ||
b5403273 | 2911 | if (!mutex_trylock(&tp->control)) { |
2912 | schedule_delayed_work(&tp->schedule, 0); | |
2913 | goto out1; | |
2914 | } | |
2915 | ||
40a82917 | 2916 | if (test_bit(RTL8152_LINK_CHG, &tp->flags)) |
2917 | set_carrier(tp); | |
ac718b69 | 2918 | |
2919 | if (test_bit(RTL8152_SET_RX_MODE, &tp->flags)) | |
2920 | _rtl8152_set_rx_mode(tp->netdev); | |
2921 | ||
0c3121fc | 2922 | if (test_bit(SCHEDULE_TASKLET, &tp->flags) && |
2923 | (tp->speed & LINK_STATUS)) { | |
2924 | clear_bit(SCHEDULE_TASKLET, &tp->flags); | |
2925 | tasklet_schedule(&tp->tl); | |
2926 | } | |
aa66a5f1 | 2927 | |
2928 | if (test_bit(PHY_RESET, &tp->flags)) | |
2929 | rtl_phy_reset(tp); | |
2930 | ||
b5403273 | 2931 | mutex_unlock(&tp->control); |
2932 | ||
ac718b69 | 2933 | out1: |
9a4be1bd | 2934 | usb_autopm_put_interface(tp->intf); |
ac718b69 | 2935 | } |
2936 | ||
2937 | static int rtl8152_open(struct net_device *netdev) | |
2938 | { | |
2939 | struct r8152 *tp = netdev_priv(netdev); | |
2940 | int res = 0; | |
2941 | ||
7e9da481 | 2942 | res = alloc_all_mem(tp); |
2943 | if (res) | |
2944 | goto out; | |
2945 | ||
f4c7476b | 2946 | /* set speed to 0 to avoid autoresume try to submit rx */ |
2947 | tp->speed = 0; | |
2948 | ||
9a4be1bd | 2949 | res = usb_autopm_get_interface(tp->intf); |
2950 | if (res < 0) { | |
2951 | free_all_mem(tp); | |
2952 | goto out; | |
2953 | } | |
2954 | ||
b5403273 | 2955 | mutex_lock(&tp->control); |
2956 | ||
9a4be1bd | 2957 | /* The WORK_ENABLE may be set when autoresume occurs */ |
2958 | if (test_bit(WORK_ENABLE, &tp->flags)) { | |
2959 | clear_bit(WORK_ENABLE, &tp->flags); | |
2960 | usb_kill_urb(tp->intr_urb); | |
2961 | cancel_delayed_work_sync(&tp->schedule); | |
f4c7476b | 2962 | |
2963 | /* disable the tx/rx, if the workqueue has enabled them. */ | |
9a4be1bd | 2964 | if (tp->speed & LINK_STATUS) |
2965 | tp->rtl_ops.disable(tp); | |
2966 | } | |
2967 | ||
7e9da481 | 2968 | tp->rtl_ops.up(tp); |
2969 | ||
3d55f44f | 2970 | rtl8152_set_speed(tp, AUTONEG_ENABLE, |
2971 | tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, | |
2972 | DUPLEX_FULL); | |
2973 | tp->speed = 0; | |
2974 | netif_carrier_off(netdev); | |
2975 | netif_start_queue(netdev); | |
2976 | set_bit(WORK_ENABLE, &tp->flags); | |
db8515ef | 2977 | |
40a82917 | 2978 | res = usb_submit_urb(tp->intr_urb, GFP_KERNEL); |
2979 | if (res) { | |
2980 | if (res == -ENODEV) | |
2981 | netif_device_detach(tp->netdev); | |
4a8deae2 HW |
2982 | netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", |
2983 | res); | |
7e9da481 | 2984 | free_all_mem(tp); |
93ffbeab | 2985 | } else { |
2986 | tasklet_enable(&tp->tl); | |
ac718b69 | 2987 | } |
2988 | ||
b5403273 | 2989 | mutex_unlock(&tp->control); |
2990 | ||
9a4be1bd | 2991 | usb_autopm_put_interface(tp->intf); |
ac718b69 | 2992 | |
7e9da481 | 2993 | out: |
ac718b69 | 2994 | return res; |
2995 | } | |
2996 | ||
2997 | static int rtl8152_close(struct net_device *netdev) | |
2998 | { | |
2999 | struct r8152 *tp = netdev_priv(netdev); | |
3000 | int res = 0; | |
3001 | ||
93ffbeab | 3002 | tasklet_disable(&tp->tl); |
ac718b69 | 3003 | clear_bit(WORK_ENABLE, &tp->flags); |
3d55f44f | 3004 | usb_kill_urb(tp->intr_urb); |
ac718b69 | 3005 | cancel_delayed_work_sync(&tp->schedule); |
3006 | netif_stop_queue(netdev); | |
9a4be1bd | 3007 | |
3008 | res = usb_autopm_get_interface(tp->intf); | |
3009 | if (res < 0) { | |
3010 | rtl_drop_queued_tx(tp); | |
3011 | } else { | |
b5403273 | 3012 | mutex_lock(&tp->control); |
3013 | ||
b209af99 | 3014 | /* The autosuspend may have been enabled and wouldn't |
9a4be1bd | 3015 | * be disable when autoresume occurs, because the |
3016 | * netif_running() would be false. | |
3017 | */ | |
923e1ee3 | 3018 | rtl_runtime_suspend_enable(tp, false); |
9a4be1bd | 3019 | |
9a4be1bd | 3020 | tp->rtl_ops.down(tp); |
b5403273 | 3021 | |
3022 | mutex_unlock(&tp->control); | |
3023 | ||
9a4be1bd | 3024 | usb_autopm_put_interface(tp->intf); |
3025 | } | |
ac718b69 | 3026 | |
7e9da481 | 3027 | free_all_mem(tp); |
3028 | ||
ac718b69 | 3029 | return res; |
3030 | } | |
3031 | ||
d24f6134 | 3032 | static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg) |
3033 | { | |
3034 | ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev); | |
3035 | ocp_reg_write(tp, OCP_EEE_DATA, reg); | |
3036 | ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev); | |
3037 | } | |
3038 | ||
3039 | static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg) | |
3040 | { | |
3041 | u16 data; | |
3042 | ||
3043 | r8152_mmd_indirect(tp, dev, reg); | |
3044 | data = ocp_reg_read(tp, OCP_EEE_DATA); | |
3045 | ocp_reg_write(tp, OCP_EEE_AR, 0x0000); | |
3046 | ||
3047 | return data; | |
3048 | } | |
3049 | ||
3050 | static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data) | |
ac718b69 | 3051 | { |
d24f6134 | 3052 | r8152_mmd_indirect(tp, dev, reg); |
3053 | ocp_reg_write(tp, OCP_EEE_DATA, data); | |
3054 | ocp_reg_write(tp, OCP_EEE_AR, 0x0000); | |
3055 | } | |
3056 | ||
3057 | static void r8152_eee_en(struct r8152 *tp, bool enable) | |
3058 | { | |
3059 | u16 config1, config2, config3; | |
45f4a19f | 3060 | u32 ocp_data; |
ac718b69 | 3061 | |
3062 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); | |
d24f6134 | 3063 | config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask; |
3064 | config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2); | |
3065 | config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask; | |
3066 | ||
3067 | if (enable) { | |
3068 | ocp_data |= EEE_RX_EN | EEE_TX_EN; | |
3069 | config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN; | |
3070 | config1 |= sd_rise_time(1); | |
3071 | config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN; | |
3072 | config3 |= fast_snr(42); | |
3073 | } else { | |
3074 | ocp_data &= ~(EEE_RX_EN | EEE_TX_EN); | |
3075 | config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | | |
3076 | RX_QUIET_EN); | |
3077 | config1 |= sd_rise_time(7); | |
3078 | config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN); | |
3079 | config3 |= fast_snr(511); | |
3080 | } | |
3081 | ||
ac718b69 | 3082 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); |
d24f6134 | 3083 | ocp_reg_write(tp, OCP_EEE_CONFIG1, config1); |
3084 | ocp_reg_write(tp, OCP_EEE_CONFIG2, config2); | |
3085 | ocp_reg_write(tp, OCP_EEE_CONFIG3, config3); | |
ac718b69 | 3086 | } |
3087 | ||
d24f6134 | 3088 | static void r8152b_enable_eee(struct r8152 *tp) |
3089 | { | |
3090 | r8152_eee_en(tp, true); | |
3091 | r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, MDIO_EEE_100TX); | |
3092 | } | |
3093 | ||
3094 | static void r8153_eee_en(struct r8152 *tp, bool enable) | |
43779f8d | 3095 | { |
3096 | u32 ocp_data; | |
d24f6134 | 3097 | u16 config; |
43779f8d | 3098 | |
3099 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); | |
d24f6134 | 3100 | config = ocp_reg_read(tp, OCP_EEE_CFG); |
3101 | ||
3102 | if (enable) { | |
3103 | ocp_data |= EEE_RX_EN | EEE_TX_EN; | |
3104 | config |= EEE10_EN; | |
3105 | } else { | |
3106 | ocp_data &= ~(EEE_RX_EN | EEE_TX_EN); | |
3107 | config &= ~EEE10_EN; | |
3108 | } | |
3109 | ||
43779f8d | 3110 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); |
d24f6134 | 3111 | ocp_reg_write(tp, OCP_EEE_CFG, config); |
3112 | } | |
3113 | ||
3114 | static void r8153_enable_eee(struct r8152 *tp) | |
3115 | { | |
3116 | r8153_eee_en(tp, true); | |
3117 | ocp_reg_write(tp, OCP_EEE_ADV, MDIO_EEE_1000T | MDIO_EEE_100TX); | |
43779f8d | 3118 | } |
3119 | ||
ac718b69 | 3120 | static void r8152b_enable_fc(struct r8152 *tp) |
3121 | { | |
3122 | u16 anar; | |
3123 | ||
3124 | anar = r8152_mdio_read(tp, MII_ADVERTISE); | |
3125 | anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
3126 | r8152_mdio_write(tp, MII_ADVERTISE, anar); | |
3127 | } | |
3128 | ||
4f1d4d54 | 3129 | static void rtl_tally_reset(struct r8152 *tp) |
3130 | { | |
3131 | u32 ocp_data; | |
3132 | ||
3133 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY); | |
3134 | ocp_data |= TALLY_RESET; | |
3135 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data); | |
3136 | } | |
3137 | ||
ac718b69 | 3138 | static void r8152b_init(struct r8152 *tp) |
3139 | { | |
ebc2ec48 | 3140 | u32 ocp_data; |
ac718b69 | 3141 | |
6871438c | 3142 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
3143 | return; | |
3144 | ||
d70b1137 | 3145 | r8152b_disable_aldps(tp); |
3146 | ||
ac718b69 | 3147 | if (tp->version == RTL_VER_01) { |
3148 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); | |
3149 | ocp_data &= ~LED_MODE_MASK; | |
3150 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); | |
3151 | } | |
3152 | ||
00a5e360 | 3153 | r8152_power_cut_en(tp, false); |
ac718b69 | 3154 | |
ac718b69 | 3155 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); |
3156 | ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH; | |
3157 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); | |
3158 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL); | |
3159 | ocp_data &= ~MCU_CLK_RATIO_MASK; | |
3160 | ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN; | |
3161 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data); | |
3162 | ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK | | |
3163 | SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK; | |
3164 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data); | |
3165 | ||
3166 | r8152b_enable_eee(tp); | |
3167 | r8152b_enable_aldps(tp); | |
3168 | r8152b_enable_fc(tp); | |
4f1d4d54 | 3169 | rtl_tally_reset(tp); |
ac718b69 | 3170 | |
ebc2ec48 | 3171 | /* enable rx aggregation */ |
ac718b69 | 3172 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); |
ebc2ec48 | 3173 | ocp_data &= ~RX_AGG_DISABLE; |
ac718b69 | 3174 | ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); |
3175 | } | |
3176 | ||
43779f8d | 3177 | static void r8153_init(struct r8152 *tp) |
3178 | { | |
3179 | u32 ocp_data; | |
3180 | int i; | |
3181 | ||
6871438c | 3182 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
3183 | return; | |
3184 | ||
d70b1137 | 3185 | r8153_disable_aldps(tp); |
b9702723 | 3186 | r8153_u1u2en(tp, false); |
43779f8d | 3187 | |
3188 | for (i = 0; i < 500; i++) { | |
3189 | if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) & | |
3190 | AUTOLOAD_DONE) | |
3191 | break; | |
3192 | msleep(20); | |
3193 | } | |
3194 | ||
3195 | for (i = 0; i < 500; i++) { | |
3196 | ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK; | |
3197 | if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN) | |
3198 | break; | |
3199 | msleep(20); | |
3200 | } | |
3201 | ||
b9702723 | 3202 | r8153_u2p3en(tp, false); |
43779f8d | 3203 | |
3204 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL); | |
3205 | ocp_data &= ~TIMER11_EN; | |
3206 | ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data); | |
3207 | ||
43779f8d | 3208 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); |
3209 | ocp_data &= ~LED_MODE_MASK; | |
3210 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); | |
3211 | ||
3212 | ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL); | |
3213 | ocp_data &= ~LPM_TIMER_MASK; | |
3214 | if (tp->udev->speed == USB_SPEED_SUPER) | |
3215 | ocp_data |= LPM_TIMER_500US; | |
3216 | else | |
3217 | ocp_data |= LPM_TIMER_500MS; | |
3218 | ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data); | |
3219 | ||
3220 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2); | |
3221 | ocp_data &= ~SEN_VAL_MASK; | |
3222 | ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE; | |
3223 | ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data); | |
3224 | ||
b9702723 | 3225 | r8153_power_cut_en(tp, false); |
3226 | r8153_u1u2en(tp, true); | |
43779f8d | 3227 | |
43779f8d | 3228 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ALDPS_SPDWN_RATIO); |
3229 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, EEE_SPDWN_RATIO); | |
3230 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, | |
3231 | PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN | | |
3232 | U1U2_SPDWN_EN | L1_SPDWN_EN); | |
3233 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, | |
3234 | PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN | | |
3235 | TP100_SPDWN_EN | TP500_SPDWN_EN | TP1000_SPDWN_EN | | |
3236 | EEE_SPDWN_EN); | |
3237 | ||
3238 | r8153_enable_eee(tp); | |
3239 | r8153_enable_aldps(tp); | |
3240 | r8152b_enable_fc(tp); | |
4f1d4d54 | 3241 | rtl_tally_reset(tp); |
43779f8d | 3242 | } |
3243 | ||
ac718b69 | 3244 | static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) |
3245 | { | |
3246 | struct r8152 *tp = usb_get_intfdata(intf); | |
6cc69f2a | 3247 | struct net_device *netdev = tp->netdev; |
3248 | int ret = 0; | |
ac718b69 | 3249 | |
b5403273 | 3250 | mutex_lock(&tp->control); |
3251 | ||
6cc69f2a | 3252 | if (PMSG_IS_AUTO(message)) { |
3253 | if (netif_running(netdev) && work_busy(&tp->schedule.work)) { | |
3254 | ret = -EBUSY; | |
3255 | goto out1; | |
3256 | } | |
3257 | ||
9a4be1bd | 3258 | set_bit(SELECTIVE_SUSPEND, &tp->flags); |
6cc69f2a | 3259 | } else { |
3260 | netif_device_detach(netdev); | |
3261 | } | |
ac718b69 | 3262 | |
e3bd1a81 | 3263 | if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) { |
ac718b69 | 3264 | clear_bit(WORK_ENABLE, &tp->flags); |
40a82917 | 3265 | usb_kill_urb(tp->intr_urb); |
445f7f4d | 3266 | tasklet_disable(&tp->tl); |
9a4be1bd | 3267 | if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
445f7f4d | 3268 | rtl_stop_rx(tp); |
9a4be1bd | 3269 | rtl_runtime_suspend_enable(tp, true); |
3270 | } else { | |
6cc69f2a | 3271 | cancel_delayed_work_sync(&tp->schedule); |
9a4be1bd | 3272 | tp->rtl_ops.down(tp); |
9a4be1bd | 3273 | } |
445f7f4d | 3274 | tasklet_enable(&tp->tl); |
ac718b69 | 3275 | } |
6cc69f2a | 3276 | out1: |
b5403273 | 3277 | mutex_unlock(&tp->control); |
3278 | ||
6cc69f2a | 3279 | return ret; |
ac718b69 | 3280 | } |
3281 | ||
3282 | static int rtl8152_resume(struct usb_interface *intf) | |
3283 | { | |
3284 | struct r8152 *tp = usb_get_intfdata(intf); | |
3285 | ||
b5403273 | 3286 | mutex_lock(&tp->control); |
3287 | ||
9a4be1bd | 3288 | if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
3289 | tp->rtl_ops.init(tp); | |
3290 | netif_device_attach(tp->netdev); | |
3291 | } | |
3292 | ||
ac718b69 | 3293 | if (netif_running(tp->netdev)) { |
9a4be1bd | 3294 | if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
3295 | rtl_runtime_suspend_enable(tp, false); | |
3296 | clear_bit(SELECTIVE_SUSPEND, &tp->flags); | |
445f7f4d | 3297 | set_bit(WORK_ENABLE, &tp->flags); |
9a4be1bd | 3298 | if (tp->speed & LINK_STATUS) |
445f7f4d | 3299 | rtl_start_rx(tp); |
9a4be1bd | 3300 | } else { |
3301 | tp->rtl_ops.up(tp); | |
3302 | rtl8152_set_speed(tp, AUTONEG_ENABLE, | |
b209af99 | 3303 | tp->mii.supports_gmii ? |
3304 | SPEED_1000 : SPEED_100, | |
3305 | DUPLEX_FULL); | |
445f7f4d | 3306 | tp->speed = 0; |
3307 | netif_carrier_off(tp->netdev); | |
3308 | set_bit(WORK_ENABLE, &tp->flags); | |
9a4be1bd | 3309 | } |
40a82917 | 3310 | usb_submit_urb(tp->intr_urb, GFP_KERNEL); |
923e1ee3 | 3311 | } else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
3312 | clear_bit(SELECTIVE_SUSPEND, &tp->flags); | |
ac718b69 | 3313 | } |
3314 | ||
b5403273 | 3315 | mutex_unlock(&tp->control); |
3316 | ||
ac718b69 | 3317 | return 0; |
3318 | } | |
3319 | ||
21ff2e89 | 3320 | static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
3321 | { | |
3322 | struct r8152 *tp = netdev_priv(dev); | |
3323 | ||
9a4be1bd | 3324 | if (usb_autopm_get_interface(tp->intf) < 0) |
3325 | return; | |
3326 | ||
b5403273 | 3327 | mutex_lock(&tp->control); |
3328 | ||
21ff2e89 | 3329 | wol->supported = WAKE_ANY; |
3330 | wol->wolopts = __rtl_get_wol(tp); | |
9a4be1bd | 3331 | |
b5403273 | 3332 | mutex_unlock(&tp->control); |
3333 | ||
9a4be1bd | 3334 | usb_autopm_put_interface(tp->intf); |
21ff2e89 | 3335 | } |
3336 | ||
3337 | static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
3338 | { | |
3339 | struct r8152 *tp = netdev_priv(dev); | |
9a4be1bd | 3340 | int ret; |
3341 | ||
3342 | ret = usb_autopm_get_interface(tp->intf); | |
3343 | if (ret < 0) | |
3344 | goto out_set_wol; | |
21ff2e89 | 3345 | |
b5403273 | 3346 | mutex_lock(&tp->control); |
3347 | ||
21ff2e89 | 3348 | __rtl_set_wol(tp, wol->wolopts); |
3349 | tp->saved_wolopts = wol->wolopts & WAKE_ANY; | |
3350 | ||
b5403273 | 3351 | mutex_unlock(&tp->control); |
3352 | ||
9a4be1bd | 3353 | usb_autopm_put_interface(tp->intf); |
3354 | ||
3355 | out_set_wol: | |
3356 | return ret; | |
21ff2e89 | 3357 | } |
3358 | ||
a5ec27c1 | 3359 | static u32 rtl8152_get_msglevel(struct net_device *dev) |
3360 | { | |
3361 | struct r8152 *tp = netdev_priv(dev); | |
3362 | ||
3363 | return tp->msg_enable; | |
3364 | } | |
3365 | ||
3366 | static void rtl8152_set_msglevel(struct net_device *dev, u32 value) | |
3367 | { | |
3368 | struct r8152 *tp = netdev_priv(dev); | |
3369 | ||
3370 | tp->msg_enable = value; | |
3371 | } | |
3372 | ||
ac718b69 | 3373 | static void rtl8152_get_drvinfo(struct net_device *netdev, |
3374 | struct ethtool_drvinfo *info) | |
3375 | { | |
3376 | struct r8152 *tp = netdev_priv(netdev); | |
3377 | ||
b0b46c77 | 3378 | strlcpy(info->driver, MODULENAME, sizeof(info->driver)); |
3379 | strlcpy(info->version, DRIVER_VERSION, sizeof(info->version)); | |
ac718b69 | 3380 | usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info)); |
3381 | } | |
3382 | ||
3383 | static | |
3384 | int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) | |
3385 | { | |
3386 | struct r8152 *tp = netdev_priv(netdev); | |
8d4a4d72 | 3387 | int ret; |
ac718b69 | 3388 | |
3389 | if (!tp->mii.mdio_read) | |
3390 | return -EOPNOTSUPP; | |
3391 | ||
8d4a4d72 | 3392 | ret = usb_autopm_get_interface(tp->intf); |
3393 | if (ret < 0) | |
3394 | goto out; | |
3395 | ||
b5403273 | 3396 | mutex_lock(&tp->control); |
3397 | ||
8d4a4d72 | 3398 | ret = mii_ethtool_gset(&tp->mii, cmd); |
3399 | ||
b5403273 | 3400 | mutex_unlock(&tp->control); |
3401 | ||
8d4a4d72 | 3402 | usb_autopm_put_interface(tp->intf); |
3403 | ||
3404 | out: | |
3405 | return ret; | |
ac718b69 | 3406 | } |
3407 | ||
3408 | static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
3409 | { | |
3410 | struct r8152 *tp = netdev_priv(dev); | |
9a4be1bd | 3411 | int ret; |
3412 | ||
3413 | ret = usb_autopm_get_interface(tp->intf); | |
3414 | if (ret < 0) | |
3415 | goto out; | |
ac718b69 | 3416 | |
b5403273 | 3417 | mutex_lock(&tp->control); |
3418 | ||
9a4be1bd | 3419 | ret = rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex); |
3420 | ||
b5403273 | 3421 | mutex_unlock(&tp->control); |
3422 | ||
9a4be1bd | 3423 | usb_autopm_put_interface(tp->intf); |
3424 | ||
3425 | out: | |
3426 | return ret; | |
ac718b69 | 3427 | } |
3428 | ||
4f1d4d54 | 3429 | static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = { |
3430 | "tx_packets", | |
3431 | "rx_packets", | |
3432 | "tx_errors", | |
3433 | "rx_errors", | |
3434 | "rx_missed", | |
3435 | "align_errors", | |
3436 | "tx_single_collisions", | |
3437 | "tx_multi_collisions", | |
3438 | "rx_unicast", | |
3439 | "rx_broadcast", | |
3440 | "rx_multicast", | |
3441 | "tx_aborted", | |
3442 | "tx_underrun", | |
3443 | }; | |
3444 | ||
3445 | static int rtl8152_get_sset_count(struct net_device *dev, int sset) | |
3446 | { | |
3447 | switch (sset) { | |
3448 | case ETH_SS_STATS: | |
3449 | return ARRAY_SIZE(rtl8152_gstrings); | |
3450 | default: | |
3451 | return -EOPNOTSUPP; | |
3452 | } | |
3453 | } | |
3454 | ||
3455 | static void rtl8152_get_ethtool_stats(struct net_device *dev, | |
3456 | struct ethtool_stats *stats, u64 *data) | |
3457 | { | |
3458 | struct r8152 *tp = netdev_priv(dev); | |
3459 | struct tally_counter tally; | |
3460 | ||
0b030244 | 3461 | if (usb_autopm_get_interface(tp->intf) < 0) |
3462 | return; | |
3463 | ||
4f1d4d54 | 3464 | generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA); |
3465 | ||
0b030244 | 3466 | usb_autopm_put_interface(tp->intf); |
3467 | ||
4f1d4d54 | 3468 | data[0] = le64_to_cpu(tally.tx_packets); |
3469 | data[1] = le64_to_cpu(tally.rx_packets); | |
3470 | data[2] = le64_to_cpu(tally.tx_errors); | |
3471 | data[3] = le32_to_cpu(tally.rx_errors); | |
3472 | data[4] = le16_to_cpu(tally.rx_missed); | |
3473 | data[5] = le16_to_cpu(tally.align_errors); | |
3474 | data[6] = le32_to_cpu(tally.tx_one_collision); | |
3475 | data[7] = le32_to_cpu(tally.tx_multi_collision); | |
3476 | data[8] = le64_to_cpu(tally.rx_unicast); | |
3477 | data[9] = le64_to_cpu(tally.rx_broadcast); | |
3478 | data[10] = le32_to_cpu(tally.rx_multicast); | |
3479 | data[11] = le16_to_cpu(tally.tx_aborted); | |
f37119c5 | 3480 | data[12] = le16_to_cpu(tally.tx_underrun); |
4f1d4d54 | 3481 | } |
3482 | ||
3483 | static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data) | |
3484 | { | |
3485 | switch (stringset) { | |
3486 | case ETH_SS_STATS: | |
3487 | memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings)); | |
3488 | break; | |
3489 | } | |
3490 | } | |
3491 | ||
df35d283 | 3492 | static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee) |
3493 | { | |
3494 | u32 ocp_data, lp, adv, supported = 0; | |
3495 | u16 val; | |
3496 | ||
3497 | val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE); | |
3498 | supported = mmd_eee_cap_to_ethtool_sup_t(val); | |
3499 | ||
3500 | val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV); | |
3501 | adv = mmd_eee_adv_to_ethtool_adv_t(val); | |
3502 | ||
3503 | val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE); | |
3504 | lp = mmd_eee_adv_to_ethtool_adv_t(val); | |
3505 | ||
3506 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); | |
3507 | ocp_data &= EEE_RX_EN | EEE_TX_EN; | |
3508 | ||
3509 | eee->eee_enabled = !!ocp_data; | |
3510 | eee->eee_active = !!(supported & adv & lp); | |
3511 | eee->supported = supported; | |
3512 | eee->advertised = adv; | |
3513 | eee->lp_advertised = lp; | |
3514 | ||
3515 | return 0; | |
3516 | } | |
3517 | ||
3518 | static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee) | |
3519 | { | |
3520 | u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised); | |
3521 | ||
3522 | r8152_eee_en(tp, eee->eee_enabled); | |
3523 | ||
3524 | if (!eee->eee_enabled) | |
3525 | val = 0; | |
3526 | ||
3527 | r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val); | |
3528 | ||
3529 | return 0; | |
3530 | } | |
3531 | ||
3532 | static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee) | |
3533 | { | |
3534 | u32 ocp_data, lp, adv, supported = 0; | |
3535 | u16 val; | |
3536 | ||
3537 | val = ocp_reg_read(tp, OCP_EEE_ABLE); | |
3538 | supported = mmd_eee_cap_to_ethtool_sup_t(val); | |
3539 | ||
3540 | val = ocp_reg_read(tp, OCP_EEE_ADV); | |
3541 | adv = mmd_eee_adv_to_ethtool_adv_t(val); | |
3542 | ||
3543 | val = ocp_reg_read(tp, OCP_EEE_LPABLE); | |
3544 | lp = mmd_eee_adv_to_ethtool_adv_t(val); | |
3545 | ||
3546 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); | |
3547 | ocp_data &= EEE_RX_EN | EEE_TX_EN; | |
3548 | ||
3549 | eee->eee_enabled = !!ocp_data; | |
3550 | eee->eee_active = !!(supported & adv & lp); | |
3551 | eee->supported = supported; | |
3552 | eee->advertised = adv; | |
3553 | eee->lp_advertised = lp; | |
3554 | ||
3555 | return 0; | |
3556 | } | |
3557 | ||
3558 | static int r8153_set_eee(struct r8152 *tp, struct ethtool_eee *eee) | |
3559 | { | |
3560 | u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised); | |
3561 | ||
3562 | r8153_eee_en(tp, eee->eee_enabled); | |
3563 | ||
3564 | if (!eee->eee_enabled) | |
3565 | val = 0; | |
3566 | ||
3567 | ocp_reg_write(tp, OCP_EEE_ADV, val); | |
3568 | ||
3569 | return 0; | |
3570 | } | |
3571 | ||
3572 | static int | |
3573 | rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata) | |
3574 | { | |
3575 | struct r8152 *tp = netdev_priv(net); | |
3576 | int ret; | |
3577 | ||
3578 | ret = usb_autopm_get_interface(tp->intf); | |
3579 | if (ret < 0) | |
3580 | goto out; | |
3581 | ||
b5403273 | 3582 | mutex_lock(&tp->control); |
3583 | ||
df35d283 | 3584 | ret = tp->rtl_ops.eee_get(tp, edata); |
3585 | ||
b5403273 | 3586 | mutex_unlock(&tp->control); |
3587 | ||
df35d283 | 3588 | usb_autopm_put_interface(tp->intf); |
3589 | ||
3590 | out: | |
3591 | return ret; | |
3592 | } | |
3593 | ||
3594 | static int | |
3595 | rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata) | |
3596 | { | |
3597 | struct r8152 *tp = netdev_priv(net); | |
3598 | int ret; | |
3599 | ||
3600 | ret = usb_autopm_get_interface(tp->intf); | |
3601 | if (ret < 0) | |
3602 | goto out; | |
3603 | ||
b5403273 | 3604 | mutex_lock(&tp->control); |
3605 | ||
df35d283 | 3606 | ret = tp->rtl_ops.eee_set(tp, edata); |
9d31a7b9 | 3607 | if (!ret) |
3608 | ret = mii_nway_restart(&tp->mii); | |
df35d283 | 3609 | |
b5403273 | 3610 | mutex_unlock(&tp->control); |
3611 | ||
df35d283 | 3612 | usb_autopm_put_interface(tp->intf); |
3613 | ||
3614 | out: | |
3615 | return ret; | |
3616 | } | |
3617 | ||
8884f507 | 3618 | static int rtl8152_nway_reset(struct net_device *dev) |
3619 | { | |
3620 | struct r8152 *tp = netdev_priv(dev); | |
3621 | int ret; | |
3622 | ||
3623 | ret = usb_autopm_get_interface(tp->intf); | |
3624 | if (ret < 0) | |
3625 | goto out; | |
3626 | ||
3627 | mutex_lock(&tp->control); | |
3628 | ||
3629 | ret = mii_nway_restart(&tp->mii); | |
3630 | ||
3631 | mutex_unlock(&tp->control); | |
3632 | ||
3633 | usb_autopm_put_interface(tp->intf); | |
3634 | ||
3635 | out: | |
3636 | return ret; | |
3637 | } | |
3638 | ||
ac718b69 | 3639 | static struct ethtool_ops ops = { |
3640 | .get_drvinfo = rtl8152_get_drvinfo, | |
3641 | .get_settings = rtl8152_get_settings, | |
3642 | .set_settings = rtl8152_set_settings, | |
3643 | .get_link = ethtool_op_get_link, | |
8884f507 | 3644 | .nway_reset = rtl8152_nway_reset, |
a5ec27c1 | 3645 | .get_msglevel = rtl8152_get_msglevel, |
3646 | .set_msglevel = rtl8152_set_msglevel, | |
21ff2e89 | 3647 | .get_wol = rtl8152_get_wol, |
3648 | .set_wol = rtl8152_set_wol, | |
4f1d4d54 | 3649 | .get_strings = rtl8152_get_strings, |
3650 | .get_sset_count = rtl8152_get_sset_count, | |
3651 | .get_ethtool_stats = rtl8152_get_ethtool_stats, | |
df35d283 | 3652 | .get_eee = rtl_ethtool_get_eee, |
3653 | .set_eee = rtl_ethtool_set_eee, | |
ac718b69 | 3654 | }; |
3655 | ||
3656 | static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) | |
3657 | { | |
3658 | struct r8152 *tp = netdev_priv(netdev); | |
3659 | struct mii_ioctl_data *data = if_mii(rq); | |
9a4be1bd | 3660 | int res; |
3661 | ||
6871438c | 3662 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
3663 | return -ENODEV; | |
3664 | ||
9a4be1bd | 3665 | res = usb_autopm_get_interface(tp->intf); |
3666 | if (res < 0) | |
3667 | goto out; | |
ac718b69 | 3668 | |
3669 | switch (cmd) { | |
3670 | case SIOCGMIIPHY: | |
3671 | data->phy_id = R8152_PHY_ID; /* Internal PHY */ | |
3672 | break; | |
3673 | ||
3674 | case SIOCGMIIREG: | |
b5403273 | 3675 | mutex_lock(&tp->control); |
ac718b69 | 3676 | data->val_out = r8152_mdio_read(tp, data->reg_num); |
b5403273 | 3677 | mutex_unlock(&tp->control); |
ac718b69 | 3678 | break; |
3679 | ||
3680 | case SIOCSMIIREG: | |
3681 | if (!capable(CAP_NET_ADMIN)) { | |
3682 | res = -EPERM; | |
3683 | break; | |
3684 | } | |
b5403273 | 3685 | mutex_lock(&tp->control); |
ac718b69 | 3686 | r8152_mdio_write(tp, data->reg_num, data->val_in); |
b5403273 | 3687 | mutex_unlock(&tp->control); |
ac718b69 | 3688 | break; |
3689 | ||
3690 | default: | |
3691 | res = -EOPNOTSUPP; | |
3692 | } | |
3693 | ||
9a4be1bd | 3694 | usb_autopm_put_interface(tp->intf); |
3695 | ||
3696 | out: | |
ac718b69 | 3697 | return res; |
3698 | } | |
3699 | ||
69b4b7a4 | 3700 | static int rtl8152_change_mtu(struct net_device *dev, int new_mtu) |
3701 | { | |
3702 | struct r8152 *tp = netdev_priv(dev); | |
3703 | ||
3704 | switch (tp->version) { | |
3705 | case RTL_VER_01: | |
3706 | case RTL_VER_02: | |
3707 | return eth_change_mtu(dev, new_mtu); | |
3708 | default: | |
3709 | break; | |
3710 | } | |
3711 | ||
3712 | if (new_mtu < 68 || new_mtu > RTL8153_MAX_MTU) | |
3713 | return -EINVAL; | |
3714 | ||
3715 | dev->mtu = new_mtu; | |
3716 | ||
3717 | return 0; | |
3718 | } | |
3719 | ||
ac718b69 | 3720 | static const struct net_device_ops rtl8152_netdev_ops = { |
3721 | .ndo_open = rtl8152_open, | |
3722 | .ndo_stop = rtl8152_close, | |
3723 | .ndo_do_ioctl = rtl8152_ioctl, | |
3724 | .ndo_start_xmit = rtl8152_start_xmit, | |
3725 | .ndo_tx_timeout = rtl8152_tx_timeout, | |
c5554298 | 3726 | .ndo_set_features = rtl8152_set_features, |
ac718b69 | 3727 | .ndo_set_rx_mode = rtl8152_set_rx_mode, |
3728 | .ndo_set_mac_address = rtl8152_set_mac_address, | |
69b4b7a4 | 3729 | .ndo_change_mtu = rtl8152_change_mtu, |
ac718b69 | 3730 | .ndo_validate_addr = eth_validate_addr, |
a5e31255 | 3731 | .ndo_features_check = rtl8152_features_check, |
ac718b69 | 3732 | }; |
3733 | ||
3734 | static void r8152b_get_version(struct r8152 *tp) | |
3735 | { | |
3736 | u32 ocp_data; | |
3737 | u16 version; | |
3738 | ||
3739 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1); | |
3740 | version = (u16)(ocp_data & VERSION_MASK); | |
3741 | ||
3742 | switch (version) { | |
3743 | case 0x4c00: | |
3744 | tp->version = RTL_VER_01; | |
3745 | break; | |
3746 | case 0x4c10: | |
3747 | tp->version = RTL_VER_02; | |
3748 | break; | |
43779f8d | 3749 | case 0x5c00: |
3750 | tp->version = RTL_VER_03; | |
3751 | tp->mii.supports_gmii = 1; | |
3752 | break; | |
3753 | case 0x5c10: | |
3754 | tp->version = RTL_VER_04; | |
3755 | tp->mii.supports_gmii = 1; | |
3756 | break; | |
3757 | case 0x5c20: | |
3758 | tp->version = RTL_VER_05; | |
3759 | tp->mii.supports_gmii = 1; | |
3760 | break; | |
ac718b69 | 3761 | default: |
3762 | netif_info(tp, probe, tp->netdev, | |
3763 | "Unknown version 0x%04x\n", version); | |
3764 | break; | |
3765 | } | |
3766 | } | |
3767 | ||
e3fe0b1a | 3768 | static void rtl8152_unload(struct r8152 *tp) |
3769 | { | |
6871438c | 3770 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
3771 | return; | |
3772 | ||
00a5e360 | 3773 | if (tp->version != RTL_VER_01) |
3774 | r8152_power_cut_en(tp, true); | |
e3fe0b1a | 3775 | } |
3776 | ||
43779f8d | 3777 | static void rtl8153_unload(struct r8152 *tp) |
3778 | { | |
6871438c | 3779 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
3780 | return; | |
3781 | ||
49be1723 | 3782 | r8153_power_cut_en(tp, false); |
43779f8d | 3783 | } |
3784 | ||
55b65475 | 3785 | static int rtl_ops_init(struct r8152 *tp) |
c81229c9 | 3786 | { |
3787 | struct rtl_ops *ops = &tp->rtl_ops; | |
55b65475 | 3788 | int ret = 0; |
3789 | ||
3790 | switch (tp->version) { | |
3791 | case RTL_VER_01: | |
3792 | case RTL_VER_02: | |
3793 | ops->init = r8152b_init; | |
3794 | ops->enable = rtl8152_enable; | |
3795 | ops->disable = rtl8152_disable; | |
3796 | ops->up = rtl8152_up; | |
3797 | ops->down = rtl8152_down; | |
3798 | ops->unload = rtl8152_unload; | |
3799 | ops->eee_get = r8152_get_eee; | |
3800 | ops->eee_set = r8152_set_eee; | |
43779f8d | 3801 | break; |
3802 | ||
55b65475 | 3803 | case RTL_VER_03: |
3804 | case RTL_VER_04: | |
3805 | case RTL_VER_05: | |
3806 | ops->init = r8153_init; | |
3807 | ops->enable = rtl8153_enable; | |
3808 | ops->disable = rtl8153_disable; | |
3809 | ops->up = rtl8153_up; | |
3810 | ops->down = rtl8153_down; | |
3811 | ops->unload = rtl8153_unload; | |
3812 | ops->eee_get = r8153_get_eee; | |
3813 | ops->eee_set = r8153_set_eee; | |
c81229c9 | 3814 | break; |
3815 | ||
3816 | default: | |
55b65475 | 3817 | ret = -ENODEV; |
3818 | netif_err(tp, probe, tp->netdev, "Unknown Device\n"); | |
c81229c9 | 3819 | break; |
3820 | } | |
3821 | ||
3822 | return ret; | |
3823 | } | |
3824 | ||
ac718b69 | 3825 | static int rtl8152_probe(struct usb_interface *intf, |
3826 | const struct usb_device_id *id) | |
3827 | { | |
3828 | struct usb_device *udev = interface_to_usbdev(intf); | |
3829 | struct r8152 *tp; | |
3830 | struct net_device *netdev; | |
ebc2ec48 | 3831 | int ret; |
ac718b69 | 3832 | |
10c32717 | 3833 | if (udev->actconfig->desc.bConfigurationValue != 1) { |
3834 | usb_driver_set_configuration(udev, 1); | |
3835 | return -ENODEV; | |
3836 | } | |
3837 | ||
3838 | usb_reset_device(udev); | |
ac718b69 | 3839 | netdev = alloc_etherdev(sizeof(struct r8152)); |
3840 | if (!netdev) { | |
4a8deae2 | 3841 | dev_err(&intf->dev, "Out of memory\n"); |
ac718b69 | 3842 | return -ENOMEM; |
3843 | } | |
3844 | ||
ebc2ec48 | 3845 | SET_NETDEV_DEV(netdev, &intf->dev); |
ac718b69 | 3846 | tp = netdev_priv(netdev); |
3847 | tp->msg_enable = 0x7FFF; | |
3848 | ||
e3ad412a | 3849 | tp->udev = udev; |
3850 | tp->netdev = netdev; | |
3851 | tp->intf = intf; | |
3852 | ||
82cf94cb | 3853 | r8152b_get_version(tp); |
55b65475 | 3854 | ret = rtl_ops_init(tp); |
31ca1dec | 3855 | if (ret) |
3856 | goto out; | |
c81229c9 | 3857 | |
ebc2ec48 | 3858 | tasklet_init(&tp->tl, bottom_half, (unsigned long)tp); |
b5403273 | 3859 | mutex_init(&tp->control); |
ac718b69 | 3860 | INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t); |
3861 | ||
ac718b69 | 3862 | netdev->netdev_ops = &rtl8152_netdev_ops; |
3863 | netdev->watchdog_timeo = RTL8152_TX_TIMEOUT; | |
5bd23881 | 3864 | |
60c89071 | 3865 | netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG | |
6128d1bb | 3866 | NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM | |
c5554298 | 3867 | NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX | |
3868 | NETIF_F_HW_VLAN_CTAG_TX; | |
60c89071 | 3869 | netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG | |
6128d1bb | 3870 | NETIF_F_TSO | NETIF_F_FRAGLIST | |
c5554298 | 3871 | NETIF_F_IPV6_CSUM | NETIF_F_TSO6 | |
3872 | NETIF_F_HW_VLAN_CTAG_RX | | |
3873 | NETIF_F_HW_VLAN_CTAG_TX; | |
3874 | netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | | |
3875 | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | | |
3876 | NETIF_F_IPV6_CSUM | NETIF_F_TSO6; | |
db8515ef | 3877 | |
7ad24ea4 | 3878 | netdev->ethtool_ops = &ops; |
60c89071 | 3879 | netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE); |
ac718b69 | 3880 | |
3881 | tp->mii.dev = netdev; | |
3882 | tp->mii.mdio_read = read_mii_word; | |
3883 | tp->mii.mdio_write = write_mii_word; | |
3884 | tp->mii.phy_id_mask = 0x3f; | |
3885 | tp->mii.reg_num_mask = 0x1f; | |
3886 | tp->mii.phy_id = R8152_PHY_ID; | |
ac718b69 | 3887 | |
9a4be1bd | 3888 | intf->needs_remote_wakeup = 1; |
3889 | ||
c81229c9 | 3890 | tp->rtl_ops.init(tp); |
ac718b69 | 3891 | set_ethernet_addr(tp); |
3892 | ||
ac718b69 | 3893 | usb_set_intfdata(intf, tp); |
ac718b69 | 3894 | |
ebc2ec48 | 3895 | ret = register_netdev(netdev); |
3896 | if (ret != 0) { | |
4a8deae2 | 3897 | netif_err(tp, probe, netdev, "couldn't register the device\n"); |
ebc2ec48 | 3898 | goto out1; |
ac718b69 | 3899 | } |
3900 | ||
21ff2e89 | 3901 | tp->saved_wolopts = __rtl_get_wol(tp); |
3902 | if (tp->saved_wolopts) | |
3903 | device_set_wakeup_enable(&udev->dev, true); | |
3904 | else | |
3905 | device_set_wakeup_enable(&udev->dev, false); | |
3906 | ||
93ffbeab | 3907 | tasklet_disable(&tp->tl); |
3908 | ||
4a8deae2 | 3909 | netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION); |
ac718b69 | 3910 | |
3911 | return 0; | |
3912 | ||
ac718b69 | 3913 | out1: |
ebc2ec48 | 3914 | usb_set_intfdata(intf, NULL); |
93ffbeab | 3915 | tasklet_kill(&tp->tl); |
ac718b69 | 3916 | out: |
3917 | free_netdev(netdev); | |
ebc2ec48 | 3918 | return ret; |
ac718b69 | 3919 | } |
3920 | ||
ac718b69 | 3921 | static void rtl8152_disconnect(struct usb_interface *intf) |
3922 | { | |
3923 | struct r8152 *tp = usb_get_intfdata(intf); | |
3924 | ||
3925 | usb_set_intfdata(intf, NULL); | |
3926 | if (tp) { | |
f561de33 | 3927 | struct usb_device *udev = tp->udev; |
3928 | ||
3929 | if (udev->state == USB_STATE_NOTATTACHED) | |
3930 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
3931 | ||
ac718b69 | 3932 | tasklet_kill(&tp->tl); |
3933 | unregister_netdev(tp->netdev); | |
c81229c9 | 3934 | tp->rtl_ops.unload(tp); |
ac718b69 | 3935 | free_netdev(tp->netdev); |
3936 | } | |
3937 | } | |
3938 | ||
d9a28c5b | 3939 | #define REALTEK_USB_DEVICE(vend, prod) \ |
3940 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ | |
3941 | USB_DEVICE_ID_MATCH_INT_CLASS, \ | |
3942 | .idVendor = (vend), \ | |
3943 | .idProduct = (prod), \ | |
3944 | .bInterfaceClass = USB_CLASS_VENDOR_SPEC \ | |
3945 | }, \ | |
3946 | { \ | |
3947 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \ | |
3948 | USB_DEVICE_ID_MATCH_DEVICE, \ | |
3949 | .idVendor = (vend), \ | |
3950 | .idProduct = (prod), \ | |
3951 | .bInterfaceClass = USB_CLASS_COMM, \ | |
3952 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ | |
3953 | .bInterfaceProtocol = USB_CDC_PROTO_NONE | |
3954 | ||
ac718b69 | 3955 | /* table of devices that work with this driver */ |
3956 | static struct usb_device_id rtl8152_table[] = { | |
d9a28c5b | 3957 | {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)}, |
3958 | {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)}, | |
3959 | {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)}, | |
ac718b69 | 3960 | {} |
3961 | }; | |
3962 | ||
3963 | MODULE_DEVICE_TABLE(usb, rtl8152_table); | |
3964 | ||
3965 | static struct usb_driver rtl8152_driver = { | |
3966 | .name = MODULENAME, | |
ebc2ec48 | 3967 | .id_table = rtl8152_table, |
ac718b69 | 3968 | .probe = rtl8152_probe, |
3969 | .disconnect = rtl8152_disconnect, | |
ac718b69 | 3970 | .suspend = rtl8152_suspend, |
ebc2ec48 | 3971 | .resume = rtl8152_resume, |
3972 | .reset_resume = rtl8152_resume, | |
9a4be1bd | 3973 | .supports_autosuspend = 1, |
a634782f | 3974 | .disable_hub_initiated_lpm = 1, |
ac718b69 | 3975 | }; |
3976 | ||
b4236daa | 3977 | module_usb_driver(rtl8152_driver); |
ac718b69 | 3978 | |
3979 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
3980 | MODULE_DESCRIPTION(DRIVER_DESC); | |
3981 | MODULE_LICENSE("GPL"); |