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ac718b69 | 1 | /* |
2 | * Copyright (c) 2013 Realtek Semiconductor Corp. All rights reserved. | |
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 | ||
10 | #include <linux/init.h> | |
11 | #include <linux/signal.h> | |
12 | #include <linux/slab.h> | |
13 | #include <linux/module.h> | |
ac718b69 | 14 | #include <linux/netdevice.h> |
15 | #include <linux/etherdevice.h> | |
16 | #include <linux/mii.h> | |
17 | #include <linux/ethtool.h> | |
18 | #include <linux/usb.h> | |
19 | #include <linux/crc32.h> | |
20 | #include <linux/if_vlan.h> | |
21 | #include <linux/uaccess.h> | |
ebc2ec48 | 22 | #include <linux/list.h> |
5bd23881 | 23 | #include <linux/ip.h> |
24 | #include <linux/ipv6.h> | |
ac718b69 | 25 | |
26 | /* Version Information */ | |
7937f9e5 | 27 | #define DRIVER_VERSION "v1.02.0 (2013/10/28)" |
ac718b69 | 28 | #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" |
29 | #define DRIVER_DESC "Realtek RTL8152 Based USB 2.0 Ethernet Adapters" | |
30 | #define MODULENAME "r8152" | |
31 | ||
32 | #define R8152_PHY_ID 32 | |
33 | ||
34 | #define PLA_IDR 0xc000 | |
35 | #define PLA_RCR 0xc010 | |
36 | #define PLA_RMS 0xc016 | |
37 | #define PLA_RXFIFO_CTRL0 0xc0a0 | |
38 | #define PLA_RXFIFO_CTRL1 0xc0a4 | |
39 | #define PLA_RXFIFO_CTRL2 0xc0a8 | |
40 | #define PLA_FMC 0xc0b4 | |
41 | #define PLA_CFG_WOL 0xc0b6 | |
42 | #define PLA_MAR 0xcd00 | |
43 | #define PAL_BDC_CR 0xd1a0 | |
44 | #define PLA_LEDSEL 0xdd90 | |
45 | #define PLA_LED_FEATURE 0xdd92 | |
46 | #define PLA_PHYAR 0xde00 | |
47 | #define PLA_GPHY_INTR_IMR 0xe022 | |
48 | #define PLA_EEE_CR 0xe040 | |
49 | #define PLA_EEEP_CR 0xe080 | |
50 | #define PLA_MAC_PWR_CTRL 0xe0c0 | |
51 | #define PLA_TCR0 0xe610 | |
52 | #define PLA_TCR1 0xe612 | |
53 | #define PLA_TXFIFO_CTRL 0xe618 | |
54 | #define PLA_RSTTELLY 0xe800 | |
55 | #define PLA_CR 0xe813 | |
56 | #define PLA_CRWECR 0xe81c | |
57 | #define PLA_CONFIG5 0xe822 | |
58 | #define PLA_PHY_PWR 0xe84c | |
59 | #define PLA_OOB_CTRL 0xe84f | |
60 | #define PLA_CPCR 0xe854 | |
61 | #define PLA_MISC_0 0xe858 | |
62 | #define PLA_MISC_1 0xe85a | |
63 | #define PLA_OCP_GPHY_BASE 0xe86c | |
64 | #define PLA_TELLYCNT 0xe890 | |
65 | #define PLA_SFF_STS_7 0xe8de | |
66 | #define PLA_PHYSTATUS 0xe908 | |
67 | #define PLA_BP_BA 0xfc26 | |
68 | #define PLA_BP_0 0xfc28 | |
69 | #define PLA_BP_1 0xfc2a | |
70 | #define PLA_BP_2 0xfc2c | |
71 | #define PLA_BP_3 0xfc2e | |
72 | #define PLA_BP_4 0xfc30 | |
73 | #define PLA_BP_5 0xfc32 | |
74 | #define PLA_BP_6 0xfc34 | |
75 | #define PLA_BP_7 0xfc36 | |
76 | ||
77 | #define USB_DEV_STAT 0xb808 | |
78 | #define USB_USB_CTRL 0xd406 | |
79 | #define USB_PHY_CTRL 0xd408 | |
80 | #define USB_TX_AGG 0xd40a | |
81 | #define USB_RX_BUF_TH 0xd40c | |
82 | #define USB_USB_TIMER 0xd428 | |
83 | #define USB_PM_CTRL_STATUS 0xd432 | |
84 | #define USB_TX_DMA 0xd434 | |
85 | #define USB_UPS_CTRL 0xd800 | |
86 | #define USB_BP_BA 0xfc26 | |
87 | #define USB_BP_0 0xfc28 | |
88 | #define USB_BP_1 0xfc2a | |
89 | #define USB_BP_2 0xfc2c | |
90 | #define USB_BP_3 0xfc2e | |
91 | #define USB_BP_4 0xfc30 | |
92 | #define USB_BP_5 0xfc32 | |
93 | #define USB_BP_6 0xfc34 | |
94 | #define USB_BP_7 0xfc36 | |
95 | ||
96 | /* OCP Registers */ | |
97 | #define OCP_ALDPS_CONFIG 0x2010 | |
98 | #define OCP_EEE_CONFIG1 0x2080 | |
99 | #define OCP_EEE_CONFIG2 0x2092 | |
100 | #define OCP_EEE_CONFIG3 0x2094 | |
101 | #define OCP_EEE_AR 0xa41a | |
102 | #define OCP_EEE_DATA 0xa41c | |
103 | ||
104 | /* PLA_RCR */ | |
105 | #define RCR_AAP 0x00000001 | |
106 | #define RCR_APM 0x00000002 | |
107 | #define RCR_AM 0x00000004 | |
108 | #define RCR_AB 0x00000008 | |
109 | #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB) | |
110 | ||
111 | /* PLA_RXFIFO_CTRL0 */ | |
112 | #define RXFIFO_THR1_NORMAL 0x00080002 | |
113 | #define RXFIFO_THR1_OOB 0x01800003 | |
114 | ||
115 | /* PLA_RXFIFO_CTRL1 */ | |
116 | #define RXFIFO_THR2_FULL 0x00000060 | |
117 | #define RXFIFO_THR2_HIGH 0x00000038 | |
118 | #define RXFIFO_THR2_OOB 0x0000004a | |
119 | ||
120 | /* PLA_RXFIFO_CTRL2 */ | |
121 | #define RXFIFO_THR3_FULL 0x00000078 | |
122 | #define RXFIFO_THR3_HIGH 0x00000048 | |
123 | #define RXFIFO_THR3_OOB 0x0000005a | |
124 | ||
125 | /* PLA_TXFIFO_CTRL */ | |
126 | #define TXFIFO_THR_NORMAL 0x00400008 | |
127 | ||
128 | /* PLA_FMC */ | |
129 | #define FMC_FCR_MCU_EN 0x0001 | |
130 | ||
131 | /* PLA_EEEP_CR */ | |
132 | #define EEEP_CR_EEEP_TX 0x0002 | |
133 | ||
134 | /* PLA_TCR0 */ | |
135 | #define TCR0_TX_EMPTY 0x0800 | |
136 | #define TCR0_AUTO_FIFO 0x0080 | |
137 | ||
138 | /* PLA_TCR1 */ | |
139 | #define VERSION_MASK 0x7cf0 | |
140 | ||
141 | /* PLA_CR */ | |
142 | #define CR_RST 0x10 | |
143 | #define CR_RE 0x08 | |
144 | #define CR_TE 0x04 | |
145 | ||
146 | /* PLA_CRWECR */ | |
147 | #define CRWECR_NORAML 0x00 | |
148 | #define CRWECR_CONFIG 0xc0 | |
149 | ||
150 | /* PLA_OOB_CTRL */ | |
151 | #define NOW_IS_OOB 0x80 | |
152 | #define TXFIFO_EMPTY 0x20 | |
153 | #define RXFIFO_EMPTY 0x10 | |
154 | #define LINK_LIST_READY 0x02 | |
155 | #define DIS_MCU_CLROOB 0x01 | |
156 | #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY) | |
157 | ||
158 | /* PLA_MISC_1 */ | |
159 | #define RXDY_GATED_EN 0x0008 | |
160 | ||
161 | /* PLA_SFF_STS_7 */ | |
162 | #define RE_INIT_LL 0x8000 | |
163 | #define MCU_BORW_EN 0x4000 | |
164 | ||
165 | /* PLA_CPCR */ | |
166 | #define CPCR_RX_VLAN 0x0040 | |
167 | ||
168 | /* PLA_CFG_WOL */ | |
169 | #define MAGIC_EN 0x0001 | |
170 | ||
171 | /* PAL_BDC_CR */ | |
172 | #define ALDPS_PROXY_MODE 0x0001 | |
173 | ||
174 | /* PLA_CONFIG5 */ | |
175 | #define LAN_WAKE_EN 0x0002 | |
176 | ||
177 | /* PLA_LED_FEATURE */ | |
178 | #define LED_MODE_MASK 0x0700 | |
179 | ||
180 | /* PLA_PHY_PWR */ | |
181 | #define TX_10M_IDLE_EN 0x0080 | |
182 | #define PFM_PWM_SWITCH 0x0040 | |
183 | ||
184 | /* PLA_MAC_PWR_CTRL */ | |
185 | #define D3_CLK_GATED_EN 0x00004000 | |
186 | #define MCU_CLK_RATIO 0x07010f07 | |
187 | #define MCU_CLK_RATIO_MASK 0x0f0f0f0f | |
188 | ||
189 | /* PLA_GPHY_INTR_IMR */ | |
190 | #define GPHY_STS_MSK 0x0001 | |
191 | #define SPEED_DOWN_MSK 0x0002 | |
192 | #define SPDWN_RXDV_MSK 0x0004 | |
193 | #define SPDWN_LINKCHG_MSK 0x0008 | |
194 | ||
195 | /* PLA_PHYAR */ | |
196 | #define PHYAR_FLAG 0x80000000 | |
197 | ||
198 | /* PLA_EEE_CR */ | |
199 | #define EEE_RX_EN 0x0001 | |
200 | #define EEE_TX_EN 0x0002 | |
201 | ||
202 | /* USB_DEV_STAT */ | |
203 | #define STAT_SPEED_MASK 0x0006 | |
204 | #define STAT_SPEED_HIGH 0x0000 | |
205 | #define STAT_SPEED_FULL 0x0001 | |
206 | ||
207 | /* USB_TX_AGG */ | |
208 | #define TX_AGG_MAX_THRESHOLD 0x03 | |
209 | ||
210 | /* USB_RX_BUF_TH */ | |
211 | #define RX_BUF_THR 0x7a120180 | |
212 | ||
213 | /* USB_TX_DMA */ | |
214 | #define TEST_MODE_DISABLE 0x00000001 | |
215 | #define TX_SIZE_ADJUST1 0x00000100 | |
216 | ||
217 | /* USB_UPS_CTRL */ | |
218 | #define POWER_CUT 0x0100 | |
219 | ||
220 | /* USB_PM_CTRL_STATUS */ | |
221 | #define RWSUME_INDICATE 0x0001 | |
222 | ||
223 | /* USB_USB_CTRL */ | |
224 | #define RX_AGG_DISABLE 0x0010 | |
225 | ||
226 | /* OCP_ALDPS_CONFIG */ | |
227 | #define ENPWRSAVE 0x8000 | |
228 | #define ENPDNPS 0x0200 | |
229 | #define LINKENA 0x0100 | |
230 | #define DIS_SDSAVE 0x0010 | |
231 | ||
232 | /* OCP_EEE_CONFIG1 */ | |
233 | #define RG_TXLPI_MSK_HFDUP 0x8000 | |
234 | #define RG_MATCLR_EN 0x4000 | |
235 | #define EEE_10_CAP 0x2000 | |
236 | #define EEE_NWAY_EN 0x1000 | |
237 | #define TX_QUIET_EN 0x0200 | |
238 | #define RX_QUIET_EN 0x0100 | |
239 | #define SDRISETIME 0x0010 /* bit 4 ~ 6 */ | |
240 | #define RG_RXLPI_MSK_HFDUP 0x0008 | |
241 | #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */ | |
242 | ||
243 | /* OCP_EEE_CONFIG2 */ | |
244 | #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */ | |
245 | #define RG_DACQUIET_EN 0x0400 | |
246 | #define RG_LDVQUIET_EN 0x0200 | |
247 | #define RG_CKRSEL 0x0020 | |
248 | #define RG_EEEPRG_EN 0x0010 | |
249 | ||
250 | /* OCP_EEE_CONFIG3 */ | |
251 | #define FST_SNR_EYE_R 0x1500 /* bit 7 ~ 15 */ | |
252 | #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */ | |
253 | #define MSK_PH 0x0006 /* bit 0 ~ 3 */ | |
254 | ||
255 | /* OCP_EEE_AR */ | |
256 | /* bit[15:14] function */ | |
257 | #define FUN_ADDR 0x0000 | |
258 | #define FUN_DATA 0x4000 | |
259 | /* bit[4:0] device addr */ | |
260 | #define DEVICE_ADDR 0x0007 | |
261 | ||
262 | /* OCP_EEE_DATA */ | |
263 | #define EEE_ADDR 0x003C | |
264 | #define EEE_DATA 0x0002 | |
265 | ||
266 | enum rtl_register_content { | |
267 | _100bps = 0x08, | |
268 | _10bps = 0x04, | |
269 | LINK_STATUS = 0x02, | |
270 | FULL_DUP = 0x01, | |
271 | }; | |
272 | ||
ebc2ec48 | 273 | #define RTL8152_MAX_TX 10 |
274 | #define RTL8152_MAX_RX 10 | |
40a82917 | 275 | #define INTBUFSIZE 2 |
276 | ||
277 | #define INTR_LINK 0x0004 | |
ebc2ec48 | 278 | |
ac718b69 | 279 | #define RTL8152_REQT_READ 0xc0 |
280 | #define RTL8152_REQT_WRITE 0x40 | |
281 | #define RTL8152_REQ_GET_REGS 0x05 | |
282 | #define RTL8152_REQ_SET_REGS 0x05 | |
283 | ||
284 | #define BYTE_EN_DWORD 0xff | |
285 | #define BYTE_EN_WORD 0x33 | |
286 | #define BYTE_EN_BYTE 0x11 | |
287 | #define BYTE_EN_SIX_BYTES 0x3f | |
288 | #define BYTE_EN_START_MASK 0x0f | |
289 | #define BYTE_EN_END_MASK 0xf0 | |
290 | ||
291 | #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN) | |
292 | #define RTL8152_TX_TIMEOUT (HZ) | |
293 | ||
294 | /* rtl8152 flags */ | |
295 | enum rtl8152_flags { | |
296 | RTL8152_UNPLUG = 0, | |
ac718b69 | 297 | RTL8152_SET_RX_MODE, |
40a82917 | 298 | WORK_ENABLE, |
299 | RTL8152_LINK_CHG, | |
ac718b69 | 300 | }; |
301 | ||
302 | /* Define these values to match your device */ | |
303 | #define VENDOR_ID_REALTEK 0x0bda | |
304 | #define PRODUCT_ID_RTL8152 0x8152 | |
305 | ||
306 | #define MCU_TYPE_PLA 0x0100 | |
307 | #define MCU_TYPE_USB 0x0000 | |
308 | ||
309 | struct rx_desc { | |
310 | u32 opts1; | |
311 | #define RX_LEN_MASK 0x7fff | |
312 | u32 opts2; | |
313 | u32 opts3; | |
314 | u32 opts4; | |
315 | u32 opts5; | |
316 | u32 opts6; | |
317 | }; | |
318 | ||
319 | struct tx_desc { | |
320 | u32 opts1; | |
321 | #define TX_FS (1 << 31) /* First segment of a packet */ | |
322 | #define TX_LS (1 << 30) /* Final segment of a packet */ | |
5bd23881 | 323 | #define TX_LEN_MASK 0x3ffff |
324 | ||
ac718b69 | 325 | u32 opts2; |
5bd23881 | 326 | #define UDP_CS (1 << 31) /* Calculate UDP/IP checksum */ |
327 | #define TCP_CS (1 << 30) /* Calculate TCP/IP checksum */ | |
328 | #define IPV4_CS (1 << 29) /* Calculate IPv4 checksum */ | |
329 | #define IPV6_CS (1 << 28) /* Calculate IPv6 checksum */ | |
ac718b69 | 330 | }; |
331 | ||
dff4e8ad | 332 | struct r8152; |
333 | ||
ebc2ec48 | 334 | struct rx_agg { |
335 | struct list_head list; | |
336 | struct urb *urb; | |
dff4e8ad | 337 | struct r8152 *context; |
ebc2ec48 | 338 | void *buffer; |
339 | void *head; | |
340 | }; | |
341 | ||
342 | struct tx_agg { | |
343 | struct list_head list; | |
344 | struct urb *urb; | |
dff4e8ad | 345 | struct r8152 *context; |
ebc2ec48 | 346 | void *buffer; |
347 | void *head; | |
348 | u32 skb_num; | |
349 | u32 skb_len; | |
350 | }; | |
351 | ||
ac718b69 | 352 | struct r8152 { |
353 | unsigned long flags; | |
354 | struct usb_device *udev; | |
355 | struct tasklet_struct tl; | |
40a82917 | 356 | struct usb_interface *intf; |
ac718b69 | 357 | struct net_device *netdev; |
40a82917 | 358 | struct urb *intr_urb; |
ebc2ec48 | 359 | struct tx_agg tx_info[RTL8152_MAX_TX]; |
360 | struct rx_agg rx_info[RTL8152_MAX_RX]; | |
361 | struct list_head rx_done, tx_free; | |
362 | struct sk_buff_head tx_queue; | |
363 | spinlock_t rx_lock, tx_lock; | |
ac718b69 | 364 | struct delayed_work schedule; |
365 | struct mii_if_info mii; | |
40a82917 | 366 | int intr_interval; |
ac718b69 | 367 | u32 msg_enable; |
368 | u16 ocp_base; | |
40a82917 | 369 | u8 *intr_buff; |
ac718b69 | 370 | u8 version; |
371 | u8 speed; | |
372 | }; | |
373 | ||
374 | enum rtl_version { | |
375 | RTL_VER_UNKNOWN = 0, | |
376 | RTL_VER_01, | |
377 | RTL_VER_02 | |
378 | }; | |
379 | ||
380 | /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). | |
381 | * The RTL chips use a 64 element hash table based on the Ethernet CRC. | |
382 | */ | |
383 | static const int multicast_filter_limit = 32; | |
ebc2ec48 | 384 | static unsigned int rx_buf_sz = 16384; |
ac718b69 | 385 | |
386 | static | |
387 | int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) | |
388 | { | |
31787f53 | 389 | int ret; |
390 | void *tmp; | |
391 | ||
392 | tmp = kmalloc(size, GFP_KERNEL); | |
393 | if (!tmp) | |
394 | return -ENOMEM; | |
395 | ||
396 | ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), | |
ac718b69 | 397 | RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, |
31787f53 | 398 | value, index, tmp, size, 500); |
399 | ||
400 | memcpy(data, tmp, size); | |
401 | kfree(tmp); | |
402 | ||
403 | return ret; | |
ac718b69 | 404 | } |
405 | ||
406 | static | |
407 | int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) | |
408 | { | |
31787f53 | 409 | int ret; |
410 | void *tmp; | |
411 | ||
412 | tmp = kmalloc(size, GFP_KERNEL); | |
413 | if (!tmp) | |
414 | return -ENOMEM; | |
415 | ||
416 | memcpy(tmp, data, size); | |
417 | ||
418 | ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), | |
ac718b69 | 419 | RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, |
31787f53 | 420 | value, index, tmp, size, 500); |
421 | ||
422 | kfree(tmp); | |
423 | return ret; | |
ac718b69 | 424 | } |
425 | ||
426 | static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, | |
427 | void *data, u16 type) | |
428 | { | |
429 | u16 limit = 64; | |
430 | int ret = 0; | |
431 | ||
432 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
433 | return -ENODEV; | |
434 | ||
435 | /* both size and indix must be 4 bytes align */ | |
436 | if ((size & 3) || !size || (index & 3) || !data) | |
437 | return -EPERM; | |
438 | ||
439 | if ((u32)index + (u32)size > 0xffff) | |
440 | return -EPERM; | |
441 | ||
442 | while (size) { | |
443 | if (size > limit) { | |
444 | ret = get_registers(tp, index, type, limit, data); | |
445 | if (ret < 0) | |
446 | break; | |
447 | ||
448 | index += limit; | |
449 | data += limit; | |
450 | size -= limit; | |
451 | } else { | |
452 | ret = get_registers(tp, index, type, size, data); | |
453 | if (ret < 0) | |
454 | break; | |
455 | ||
456 | index += size; | |
457 | data += size; | |
458 | size = 0; | |
459 | break; | |
460 | } | |
461 | } | |
462 | ||
463 | return ret; | |
464 | } | |
465 | ||
466 | static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen, | |
467 | u16 size, void *data, u16 type) | |
468 | { | |
469 | int ret; | |
470 | u16 byteen_start, byteen_end, byen; | |
471 | u16 limit = 512; | |
472 | ||
473 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
474 | return -ENODEV; | |
475 | ||
476 | /* both size and indix must be 4 bytes align */ | |
477 | if ((size & 3) || !size || (index & 3) || !data) | |
478 | return -EPERM; | |
479 | ||
480 | if ((u32)index + (u32)size > 0xffff) | |
481 | return -EPERM; | |
482 | ||
483 | byteen_start = byteen & BYTE_EN_START_MASK; | |
484 | byteen_end = byteen & BYTE_EN_END_MASK; | |
485 | ||
486 | byen = byteen_start | (byteen_start << 4); | |
487 | ret = set_registers(tp, index, type | byen, 4, data); | |
488 | if (ret < 0) | |
489 | goto error1; | |
490 | ||
491 | index += 4; | |
492 | data += 4; | |
493 | size -= 4; | |
494 | ||
495 | if (size) { | |
496 | size -= 4; | |
497 | ||
498 | while (size) { | |
499 | if (size > limit) { | |
500 | ret = set_registers(tp, index, | |
501 | type | BYTE_EN_DWORD, | |
502 | limit, data); | |
503 | if (ret < 0) | |
504 | goto error1; | |
505 | ||
506 | index += limit; | |
507 | data += limit; | |
508 | size -= limit; | |
509 | } else { | |
510 | ret = set_registers(tp, index, | |
511 | type | BYTE_EN_DWORD, | |
512 | size, data); | |
513 | if (ret < 0) | |
514 | goto error1; | |
515 | ||
516 | index += size; | |
517 | data += size; | |
518 | size = 0; | |
519 | break; | |
520 | } | |
521 | } | |
522 | ||
523 | byen = byteen_end | (byteen_end >> 4); | |
524 | ret = set_registers(tp, index, type | byen, 4, data); | |
525 | if (ret < 0) | |
526 | goto error1; | |
527 | } | |
528 | ||
529 | error1: | |
530 | return ret; | |
531 | } | |
532 | ||
533 | static inline | |
534 | int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) | |
535 | { | |
536 | return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA); | |
537 | } | |
538 | ||
539 | static inline | |
540 | int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) | |
541 | { | |
542 | return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA); | |
543 | } | |
544 | ||
545 | static inline | |
546 | int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) | |
547 | { | |
548 | return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB); | |
549 | } | |
550 | ||
551 | static inline | |
552 | int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) | |
553 | { | |
554 | return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB); | |
555 | } | |
556 | ||
557 | static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) | |
558 | { | |
c8826de8 | 559 | __le32 data; |
ac718b69 | 560 | |
c8826de8 | 561 | generic_ocp_read(tp, index, sizeof(data), &data, type); |
ac718b69 | 562 | |
563 | return __le32_to_cpu(data); | |
564 | } | |
565 | ||
566 | static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) | |
567 | { | |
c8826de8 | 568 | __le32 tmp = __cpu_to_le32(data); |
569 | ||
570 | generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type); | |
ac718b69 | 571 | } |
572 | ||
573 | static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) | |
574 | { | |
575 | u32 data; | |
c8826de8 | 576 | __le32 tmp; |
ac718b69 | 577 | u8 shift = index & 2; |
578 | ||
579 | index &= ~3; | |
580 | ||
c8826de8 | 581 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
ac718b69 | 582 | |
c8826de8 | 583 | data = __le32_to_cpu(tmp); |
ac718b69 | 584 | data >>= (shift * 8); |
585 | data &= 0xffff; | |
586 | ||
587 | return (u16)data; | |
588 | } | |
589 | ||
590 | static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) | |
591 | { | |
c8826de8 | 592 | u32 mask = 0xffff; |
593 | __le32 tmp; | |
ac718b69 | 594 | u16 byen = BYTE_EN_WORD; |
595 | u8 shift = index & 2; | |
596 | ||
597 | data &= mask; | |
598 | ||
599 | if (index & 2) { | |
600 | byen <<= shift; | |
601 | mask <<= (shift * 8); | |
602 | data <<= (shift * 8); | |
603 | index &= ~3; | |
604 | } | |
605 | ||
c8826de8 | 606 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
ac718b69 | 607 | |
c8826de8 | 608 | data |= __le32_to_cpu(tmp) & ~mask; |
609 | tmp = __cpu_to_le32(data); | |
ac718b69 | 610 | |
c8826de8 | 611 | generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); |
ac718b69 | 612 | } |
613 | ||
614 | static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) | |
615 | { | |
616 | u32 data; | |
c8826de8 | 617 | __le32 tmp; |
ac718b69 | 618 | u8 shift = index & 3; |
619 | ||
620 | index &= ~3; | |
621 | ||
c8826de8 | 622 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
ac718b69 | 623 | |
c8826de8 | 624 | data = __le32_to_cpu(tmp); |
ac718b69 | 625 | data >>= (shift * 8); |
626 | data &= 0xff; | |
627 | ||
628 | return (u8)data; | |
629 | } | |
630 | ||
631 | static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) | |
632 | { | |
c8826de8 | 633 | u32 mask = 0xff; |
634 | __le32 tmp; | |
ac718b69 | 635 | u16 byen = BYTE_EN_BYTE; |
636 | u8 shift = index & 3; | |
637 | ||
638 | data &= mask; | |
639 | ||
640 | if (index & 3) { | |
641 | byen <<= shift; | |
642 | mask <<= (shift * 8); | |
643 | data <<= (shift * 8); | |
644 | index &= ~3; | |
645 | } | |
646 | ||
c8826de8 | 647 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
ac718b69 | 648 | |
c8826de8 | 649 | data |= __le32_to_cpu(tmp) & ~mask; |
650 | tmp = __cpu_to_le32(data); | |
ac718b69 | 651 | |
c8826de8 | 652 | generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); |
ac718b69 | 653 | } |
654 | ||
655 | static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) | |
656 | { | |
657 | u32 ocp_data; | |
658 | int i; | |
659 | ||
660 | ocp_data = PHYAR_FLAG | ((reg_addr & 0x1f) << 16) | | |
661 | (value & 0xffff); | |
662 | ||
663 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_PHYAR, ocp_data); | |
664 | ||
665 | for (i = 20; i > 0; i--) { | |
666 | udelay(25); | |
667 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_PHYAR); | |
668 | if (!(ocp_data & PHYAR_FLAG)) | |
669 | break; | |
670 | } | |
671 | udelay(20); | |
672 | } | |
673 | ||
674 | static int r8152_mdio_read(struct r8152 *tp, u32 reg_addr) | |
675 | { | |
676 | u32 ocp_data; | |
677 | int i; | |
678 | ||
679 | ocp_data = (reg_addr & 0x1f) << 16; | |
680 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_PHYAR, ocp_data); | |
681 | ||
682 | for (i = 20; i > 0; i--) { | |
683 | udelay(25); | |
684 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_PHYAR); | |
685 | if (ocp_data & PHYAR_FLAG) | |
686 | break; | |
687 | } | |
688 | udelay(20); | |
689 | ||
690 | if (!(ocp_data & PHYAR_FLAG)) | |
691 | return -EAGAIN; | |
692 | ||
693 | return (u16)(ocp_data & 0xffff); | |
694 | } | |
695 | ||
696 | static int read_mii_word(struct net_device *netdev, int phy_id, int reg) | |
697 | { | |
698 | struct r8152 *tp = netdev_priv(netdev); | |
699 | ||
700 | if (phy_id != R8152_PHY_ID) | |
701 | return -EINVAL; | |
702 | ||
703 | return r8152_mdio_read(tp, reg); | |
704 | } | |
705 | ||
706 | static | |
707 | void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val) | |
708 | { | |
709 | struct r8152 *tp = netdev_priv(netdev); | |
710 | ||
711 | if (phy_id != R8152_PHY_ID) | |
712 | return; | |
713 | ||
714 | r8152_mdio_write(tp, reg, val); | |
715 | } | |
716 | ||
717 | static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) | |
718 | { | |
719 | u16 ocp_base, ocp_index; | |
720 | ||
721 | ocp_base = addr & 0xf000; | |
722 | if (ocp_base != tp->ocp_base) { | |
723 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); | |
724 | tp->ocp_base = ocp_base; | |
725 | } | |
726 | ||
727 | ocp_index = (addr & 0x0fff) | 0xb000; | |
728 | ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data); | |
729 | } | |
730 | ||
ebc2ec48 | 731 | static |
732 | int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags); | |
733 | ||
ac718b69 | 734 | static inline void set_ethernet_addr(struct r8152 *tp) |
735 | { | |
736 | struct net_device *dev = tp->netdev; | |
31787f53 | 737 | u8 node_id[8] = {0}; |
ac718b69 | 738 | |
31787f53 | 739 | if (pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id) < 0) |
ac718b69 | 740 | netif_notice(tp, probe, dev, "inet addr fail\n"); |
741 | else { | |
742 | memcpy(dev->dev_addr, node_id, dev->addr_len); | |
743 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); | |
744 | } | |
ac718b69 | 745 | } |
746 | ||
747 | static int rtl8152_set_mac_address(struct net_device *netdev, void *p) | |
748 | { | |
749 | struct r8152 *tp = netdev_priv(netdev); | |
750 | struct sockaddr *addr = p; | |
751 | ||
752 | if (!is_valid_ether_addr(addr->sa_data)) | |
753 | return -EADDRNOTAVAIL; | |
754 | ||
755 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
756 | ||
757 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); | |
758 | pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data); | |
759 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); | |
760 | ||
761 | return 0; | |
762 | } | |
763 | ||
ac718b69 | 764 | static struct net_device_stats *rtl8152_get_stats(struct net_device *dev) |
765 | { | |
766 | return &dev->stats; | |
767 | } | |
768 | ||
769 | static void read_bulk_callback(struct urb *urb) | |
770 | { | |
ac718b69 | 771 | struct net_device *netdev; |
a5a4f468 | 772 | unsigned long flags; |
ac718b69 | 773 | int status = urb->status; |
ebc2ec48 | 774 | struct rx_agg *agg; |
775 | struct r8152 *tp; | |
ac718b69 | 776 | int result; |
ac718b69 | 777 | |
ebc2ec48 | 778 | agg = urb->context; |
779 | if (!agg) | |
780 | return; | |
781 | ||
782 | tp = agg->context; | |
ac718b69 | 783 | if (!tp) |
784 | return; | |
ebc2ec48 | 785 | |
ac718b69 | 786 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
787 | return; | |
ebc2ec48 | 788 | |
789 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
790 | return; | |
791 | ||
ac718b69 | 792 | netdev = tp->netdev; |
7559fb2f | 793 | |
794 | /* When link down, the driver would cancel all bulks. */ | |
795 | /* This avoid the re-submitting bulk */ | |
ebc2ec48 | 796 | if (!netif_carrier_ok(netdev)) |
ac718b69 | 797 | return; |
798 | ||
ac718b69 | 799 | switch (status) { |
800 | case 0: | |
ebc2ec48 | 801 | if (urb->actual_length < ETH_ZLEN) |
802 | break; | |
803 | ||
a5a4f468 | 804 | spin_lock_irqsave(&tp->rx_lock, flags); |
ebc2ec48 | 805 | list_add_tail(&agg->list, &tp->rx_done); |
a5a4f468 | 806 | spin_unlock_irqrestore(&tp->rx_lock, flags); |
ebc2ec48 | 807 | tasklet_schedule(&tp->tl); |
808 | return; | |
ac718b69 | 809 | case -ESHUTDOWN: |
810 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
811 | netif_device_detach(tp->netdev); | |
ebc2ec48 | 812 | return; |
ac718b69 | 813 | case -ENOENT: |
814 | return; /* the urb is in unlink state */ | |
815 | case -ETIME: | |
816 | pr_warn_ratelimited("may be reset is needed?..\n"); | |
ebc2ec48 | 817 | break; |
ac718b69 | 818 | default: |
819 | pr_warn_ratelimited("Rx status %d\n", status); | |
ebc2ec48 | 820 | break; |
ac718b69 | 821 | } |
822 | ||
ebc2ec48 | 823 | result = r8152_submit_rx(tp, agg, GFP_ATOMIC); |
ac718b69 | 824 | if (result == -ENODEV) { |
825 | netif_device_detach(tp->netdev); | |
826 | } else if (result) { | |
a5a4f468 | 827 | spin_lock_irqsave(&tp->rx_lock, flags); |
ebc2ec48 | 828 | list_add_tail(&agg->list, &tp->rx_done); |
a5a4f468 | 829 | spin_unlock_irqrestore(&tp->rx_lock, flags); |
ebc2ec48 | 830 | tasklet_schedule(&tp->tl); |
ac718b69 | 831 | } |
ac718b69 | 832 | } |
833 | ||
ebc2ec48 | 834 | static void write_bulk_callback(struct urb *urb) |
ac718b69 | 835 | { |
ebc2ec48 | 836 | struct net_device_stats *stats; |
a5a4f468 | 837 | unsigned long flags; |
ebc2ec48 | 838 | struct tx_agg *agg; |
ac718b69 | 839 | struct r8152 *tp; |
ebc2ec48 | 840 | int status = urb->status; |
ac718b69 | 841 | |
ebc2ec48 | 842 | agg = urb->context; |
843 | if (!agg) | |
ac718b69 | 844 | return; |
845 | ||
ebc2ec48 | 846 | tp = agg->context; |
847 | if (!tp) | |
848 | return; | |
849 | ||
850 | stats = rtl8152_get_stats(tp->netdev); | |
851 | if (status) { | |
852 | pr_warn_ratelimited("Tx status %d\n", status); | |
853 | stats->tx_errors += agg->skb_num; | |
ac718b69 | 854 | } else { |
ebc2ec48 | 855 | stats->tx_packets += agg->skb_num; |
856 | stats->tx_bytes += agg->skb_len; | |
ac718b69 | 857 | } |
858 | ||
a5a4f468 | 859 | spin_lock_irqsave(&tp->tx_lock, flags); |
ebc2ec48 | 860 | list_add_tail(&agg->list, &tp->tx_free); |
a5a4f468 | 861 | spin_unlock_irqrestore(&tp->tx_lock, flags); |
ebc2ec48 | 862 | |
863 | if (!netif_carrier_ok(tp->netdev)) | |
864 | return; | |
865 | ||
866 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
867 | return; | |
868 | ||
869 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
870 | return; | |
871 | ||
872 | if (!skb_queue_empty(&tp->tx_queue)) | |
873 | tasklet_schedule(&tp->tl); | |
ac718b69 | 874 | } |
875 | ||
40a82917 | 876 | static void intr_callback(struct urb *urb) |
877 | { | |
878 | struct r8152 *tp; | |
879 | __u16 *d; | |
880 | int status = urb->status; | |
881 | int res; | |
882 | ||
883 | tp = urb->context; | |
884 | if (!tp) | |
885 | return; | |
886 | ||
887 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
888 | return; | |
889 | ||
890 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
891 | return; | |
892 | ||
893 | switch (status) { | |
894 | case 0: /* success */ | |
895 | break; | |
896 | case -ECONNRESET: /* unlink */ | |
897 | case -ESHUTDOWN: | |
898 | netif_device_detach(tp->netdev); | |
899 | case -ENOENT: | |
900 | return; | |
901 | case -EOVERFLOW: | |
902 | netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n"); | |
903 | goto resubmit; | |
904 | /* -EPIPE: should clear the halt */ | |
905 | default: | |
906 | netif_info(tp, intr, tp->netdev, "intr status %d\n", status); | |
907 | goto resubmit; | |
908 | } | |
909 | ||
910 | d = urb->transfer_buffer; | |
911 | if (INTR_LINK & __le16_to_cpu(d[0])) { | |
912 | if (!(tp->speed & LINK_STATUS)) { | |
913 | set_bit(RTL8152_LINK_CHG, &tp->flags); | |
914 | schedule_delayed_work(&tp->schedule, 0); | |
915 | } | |
916 | } else { | |
917 | if (tp->speed & LINK_STATUS) { | |
918 | set_bit(RTL8152_LINK_CHG, &tp->flags); | |
919 | schedule_delayed_work(&tp->schedule, 0); | |
920 | } | |
921 | } | |
922 | ||
923 | resubmit: | |
924 | res = usb_submit_urb(urb, GFP_ATOMIC); | |
925 | if (res == -ENODEV) | |
926 | netif_device_detach(tp->netdev); | |
927 | else if (res) | |
928 | netif_err(tp, intr, tp->netdev, | |
929 | "can't resubmit intr, status %d\n", res); | |
930 | } | |
931 | ||
ebc2ec48 | 932 | static inline void *rx_agg_align(void *data) |
933 | { | |
934 | return (void *)ALIGN((uintptr_t)data, 8); | |
935 | } | |
936 | ||
937 | static inline void *tx_agg_align(void *data) | |
938 | { | |
939 | return (void *)ALIGN((uintptr_t)data, 4); | |
940 | } | |
941 | ||
942 | static void free_all_mem(struct r8152 *tp) | |
943 | { | |
944 | int i; | |
945 | ||
946 | for (i = 0; i < RTL8152_MAX_RX; i++) { | |
947 | if (tp->rx_info[i].urb) { | |
948 | usb_free_urb(tp->rx_info[i].urb); | |
949 | tp->rx_info[i].urb = NULL; | |
950 | } | |
951 | ||
952 | if (tp->rx_info[i].buffer) { | |
953 | kfree(tp->rx_info[i].buffer); | |
954 | tp->rx_info[i].buffer = NULL; | |
955 | tp->rx_info[i].head = NULL; | |
956 | } | |
957 | } | |
958 | ||
959 | for (i = 0; i < RTL8152_MAX_TX; i++) { | |
960 | if (tp->tx_info[i].urb) { | |
961 | usb_free_urb(tp->tx_info[i].urb); | |
962 | tp->tx_info[i].urb = NULL; | |
963 | } | |
964 | ||
965 | if (tp->tx_info[i].buffer) { | |
966 | kfree(tp->tx_info[i].buffer); | |
967 | tp->tx_info[i].buffer = NULL; | |
968 | tp->tx_info[i].head = NULL; | |
969 | } | |
970 | } | |
40a82917 | 971 | |
972 | if (tp->intr_urb) { | |
973 | usb_free_urb(tp->intr_urb); | |
974 | tp->intr_urb = NULL; | |
975 | } | |
976 | ||
977 | if (tp->intr_buff) { | |
978 | kfree(tp->intr_buff); | |
979 | tp->intr_buff = NULL; | |
980 | } | |
ebc2ec48 | 981 | } |
982 | ||
983 | static int alloc_all_mem(struct r8152 *tp) | |
984 | { | |
985 | struct net_device *netdev = tp->netdev; | |
40a82917 | 986 | struct usb_interface *intf = tp->intf; |
987 | struct usb_host_interface *alt = intf->cur_altsetting; | |
988 | struct usb_host_endpoint *ep_intr = alt->endpoint + 2; | |
ebc2ec48 | 989 | struct urb *urb; |
990 | int node, i; | |
991 | u8 *buf; | |
992 | ||
993 | node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1; | |
994 | ||
995 | spin_lock_init(&tp->rx_lock); | |
996 | spin_lock_init(&tp->tx_lock); | |
997 | INIT_LIST_HEAD(&tp->rx_done); | |
998 | INIT_LIST_HEAD(&tp->tx_free); | |
999 | skb_queue_head_init(&tp->tx_queue); | |
1000 | ||
1001 | for (i = 0; i < RTL8152_MAX_RX; i++) { | |
1002 | buf = kmalloc_node(rx_buf_sz, GFP_KERNEL, node); | |
1003 | if (!buf) | |
1004 | goto err1; | |
1005 | ||
1006 | if (buf != rx_agg_align(buf)) { | |
1007 | kfree(buf); | |
1008 | buf = kmalloc_node(rx_buf_sz + 8, GFP_KERNEL, node); | |
1009 | if (!buf) | |
1010 | goto err1; | |
1011 | } | |
1012 | ||
1013 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
1014 | if (!urb) { | |
1015 | kfree(buf); | |
1016 | goto err1; | |
1017 | } | |
1018 | ||
1019 | INIT_LIST_HEAD(&tp->rx_info[i].list); | |
1020 | tp->rx_info[i].context = tp; | |
1021 | tp->rx_info[i].urb = urb; | |
1022 | tp->rx_info[i].buffer = buf; | |
1023 | tp->rx_info[i].head = rx_agg_align(buf); | |
1024 | } | |
1025 | ||
1026 | for (i = 0; i < RTL8152_MAX_TX; i++) { | |
1027 | buf = kmalloc_node(rx_buf_sz, GFP_KERNEL, node); | |
1028 | if (!buf) | |
1029 | goto err1; | |
1030 | ||
1031 | if (buf != tx_agg_align(buf)) { | |
1032 | kfree(buf); | |
1033 | buf = kmalloc_node(rx_buf_sz + 4, GFP_KERNEL, node); | |
1034 | if (!buf) | |
1035 | goto err1; | |
1036 | } | |
1037 | ||
1038 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
1039 | if (!urb) { | |
1040 | kfree(buf); | |
1041 | goto err1; | |
1042 | } | |
1043 | ||
1044 | INIT_LIST_HEAD(&tp->tx_info[i].list); | |
1045 | tp->tx_info[i].context = tp; | |
1046 | tp->tx_info[i].urb = urb; | |
1047 | tp->tx_info[i].buffer = buf; | |
1048 | tp->tx_info[i].head = tx_agg_align(buf); | |
1049 | ||
1050 | list_add_tail(&tp->tx_info[i].list, &tp->tx_free); | |
1051 | } | |
1052 | ||
40a82917 | 1053 | tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL); |
1054 | if (!tp->intr_urb) | |
1055 | goto err1; | |
1056 | ||
1057 | tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL); | |
1058 | if (!tp->intr_buff) | |
1059 | goto err1; | |
1060 | ||
1061 | tp->intr_interval = (int)ep_intr->desc.bInterval; | |
1062 | usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3), | |
1063 | tp->intr_buff, INTBUFSIZE, intr_callback, | |
1064 | tp, tp->intr_interval); | |
1065 | ||
ebc2ec48 | 1066 | return 0; |
1067 | ||
1068 | err1: | |
1069 | free_all_mem(tp); | |
1070 | return -ENOMEM; | |
1071 | } | |
1072 | ||
0de98f6c | 1073 | static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp) |
1074 | { | |
1075 | struct tx_agg *agg = NULL; | |
1076 | unsigned long flags; | |
1077 | ||
1078 | spin_lock_irqsave(&tp->tx_lock, flags); | |
1079 | if (!list_empty(&tp->tx_free)) { | |
1080 | struct list_head *cursor; | |
1081 | ||
1082 | cursor = tp->tx_free.next; | |
1083 | list_del_init(cursor); | |
1084 | agg = list_entry(cursor, struct tx_agg, list); | |
1085 | } | |
1086 | spin_unlock_irqrestore(&tp->tx_lock, flags); | |
1087 | ||
1088 | return agg; | |
1089 | } | |
1090 | ||
5bd23881 | 1091 | static void |
1092 | r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc, struct sk_buff *skb) | |
1093 | { | |
1094 | memset(desc, 0, sizeof(*desc)); | |
1095 | ||
1096 | desc->opts1 = cpu_to_le32((skb->len & TX_LEN_MASK) | TX_FS | TX_LS); | |
1097 | ||
1098 | if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
1099 | __be16 protocol; | |
1100 | u8 ip_protocol; | |
1101 | u32 opts2 = 0; | |
1102 | ||
1103 | if (skb->protocol == htons(ETH_P_8021Q)) | |
1104 | protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto; | |
1105 | else | |
1106 | protocol = skb->protocol; | |
1107 | ||
1108 | switch (protocol) { | |
1109 | case htons(ETH_P_IP): | |
1110 | opts2 |= IPV4_CS; | |
1111 | ip_protocol = ip_hdr(skb)->protocol; | |
1112 | break; | |
1113 | ||
1114 | case htons(ETH_P_IPV6): | |
1115 | opts2 |= IPV6_CS; | |
1116 | ip_protocol = ipv6_hdr(skb)->nexthdr; | |
1117 | break; | |
1118 | ||
1119 | default: | |
1120 | ip_protocol = IPPROTO_RAW; | |
1121 | break; | |
1122 | } | |
1123 | ||
1124 | if (ip_protocol == IPPROTO_TCP) { | |
1125 | opts2 |= TCP_CS; | |
1126 | opts2 |= (skb_transport_offset(skb) & 0x7fff) << 17; | |
1127 | } else if (ip_protocol == IPPROTO_UDP) { | |
1128 | opts2 |= UDP_CS; | |
1129 | } else { | |
1130 | WARN_ON_ONCE(1); | |
1131 | } | |
1132 | ||
1133 | desc->opts2 = cpu_to_le32(opts2); | |
1134 | } | |
1135 | } | |
1136 | ||
b1379d9a | 1137 | static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg) |
1138 | { | |
7937f9e5 | 1139 | int remain; |
b1379d9a | 1140 | u8 *tx_data; |
1141 | ||
1142 | tx_data = agg->head; | |
1143 | agg->skb_num = agg->skb_len = 0; | |
7937f9e5 | 1144 | remain = rx_buf_sz; |
b1379d9a | 1145 | |
7937f9e5 | 1146 | while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) { |
b1379d9a | 1147 | struct tx_desc *tx_desc; |
1148 | struct sk_buff *skb; | |
1149 | unsigned int len; | |
1150 | ||
1151 | skb = skb_dequeue(&tp->tx_queue); | |
1152 | if (!skb) | |
1153 | break; | |
1154 | ||
7937f9e5 | 1155 | remain -= sizeof(*tx_desc); |
b1379d9a | 1156 | len = skb->len; |
1157 | if (remain < len) { | |
1158 | skb_queue_head(&tp->tx_queue, skb); | |
1159 | break; | |
1160 | } | |
1161 | ||
7937f9e5 | 1162 | tx_data = tx_agg_align(tx_data); |
b1379d9a | 1163 | tx_desc = (struct tx_desc *)tx_data; |
1164 | tx_data += sizeof(*tx_desc); | |
1165 | ||
1166 | r8152_tx_csum(tp, tx_desc, skb); | |
1167 | memcpy(tx_data, skb->data, len); | |
1168 | agg->skb_num++; | |
1169 | agg->skb_len += len; | |
1170 | dev_kfree_skb_any(skb); | |
1171 | ||
7937f9e5 | 1172 | tx_data += len; |
1173 | remain = rx_buf_sz - (int)(tx_agg_align(tx_data) - agg->head); | |
b1379d9a | 1174 | } |
1175 | ||
1176 | usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), | |
1177 | agg->head, (int)(tx_data - (u8 *)agg->head), | |
1178 | (usb_complete_t)write_bulk_callback, agg); | |
1179 | ||
1180 | return usb_submit_urb(agg->urb, GFP_ATOMIC); | |
1181 | } | |
1182 | ||
ebc2ec48 | 1183 | static void rx_bottom(struct r8152 *tp) |
1184 | { | |
a5a4f468 | 1185 | unsigned long flags; |
ebc2ec48 | 1186 | struct list_head *cursor, *next; |
ebc2ec48 | 1187 | |
a5a4f468 | 1188 | spin_lock_irqsave(&tp->rx_lock, flags); |
ebc2ec48 | 1189 | list_for_each_safe(cursor, next, &tp->rx_done) { |
43a4478d | 1190 | struct rx_desc *rx_desc; |
1191 | struct rx_agg *agg; | |
43a4478d | 1192 | int len_used = 0; |
1193 | struct urb *urb; | |
1194 | u8 *rx_data; | |
1195 | int ret; | |
1196 | ||
ebc2ec48 | 1197 | list_del_init(cursor); |
a5a4f468 | 1198 | spin_unlock_irqrestore(&tp->rx_lock, flags); |
ebc2ec48 | 1199 | |
1200 | agg = list_entry(cursor, struct rx_agg, list); | |
1201 | urb = agg->urb; | |
0de98f6c | 1202 | if (urb->actual_length < ETH_ZLEN) |
1203 | goto submit; | |
ebc2ec48 | 1204 | |
ebc2ec48 | 1205 | rx_desc = agg->head; |
1206 | rx_data = agg->head; | |
7937f9e5 | 1207 | len_used += sizeof(struct rx_desc); |
ebc2ec48 | 1208 | |
7937f9e5 | 1209 | while (urb->actual_length > len_used) { |
43a4478d | 1210 | struct net_device *netdev = tp->netdev; |
1211 | struct net_device_stats *stats; | |
7937f9e5 | 1212 | unsigned int pkt_len; |
43a4478d | 1213 | struct sk_buff *skb; |
1214 | ||
7937f9e5 | 1215 | pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; |
ebc2ec48 | 1216 | if (pkt_len < ETH_ZLEN) |
1217 | break; | |
1218 | ||
7937f9e5 | 1219 | len_used += pkt_len; |
1220 | if (urb->actual_length < len_used) | |
1221 | break; | |
1222 | ||
43a4478d | 1223 | stats = rtl8152_get_stats(netdev); |
1224 | ||
ebc2ec48 | 1225 | pkt_len -= 4; /* CRC */ |
1226 | rx_data += sizeof(struct rx_desc); | |
1227 | ||
1228 | skb = netdev_alloc_skb_ip_align(netdev, pkt_len); | |
1229 | if (!skb) { | |
1230 | stats->rx_dropped++; | |
1231 | break; | |
1232 | } | |
1233 | memcpy(skb->data, rx_data, pkt_len); | |
1234 | skb_put(skb, pkt_len); | |
1235 | skb->protocol = eth_type_trans(skb, netdev); | |
1236 | netif_rx(skb); | |
1237 | stats->rx_packets++; | |
1238 | stats->rx_bytes += pkt_len; | |
1239 | ||
1240 | rx_data = rx_agg_align(rx_data + pkt_len + 4); | |
1241 | rx_desc = (struct rx_desc *)rx_data; | |
ebc2ec48 | 1242 | len_used = (int)(rx_data - (u8 *)agg->head); |
7937f9e5 | 1243 | len_used += sizeof(struct rx_desc); |
ebc2ec48 | 1244 | } |
1245 | ||
0de98f6c | 1246 | submit: |
ebc2ec48 | 1247 | ret = r8152_submit_rx(tp, agg, GFP_ATOMIC); |
a5a4f468 | 1248 | spin_lock_irqsave(&tp->rx_lock, flags); |
ebc2ec48 | 1249 | if (ret && ret != -ENODEV) { |
1250 | list_add_tail(&agg->list, next); | |
1251 | tasklet_schedule(&tp->tl); | |
1252 | } | |
1253 | } | |
a5a4f468 | 1254 | spin_unlock_irqrestore(&tp->rx_lock, flags); |
ebc2ec48 | 1255 | } |
1256 | ||
1257 | static void tx_bottom(struct r8152 *tp) | |
1258 | { | |
ebc2ec48 | 1259 | int res; |
1260 | ||
b1379d9a | 1261 | do { |
1262 | struct tx_agg *agg; | |
ebc2ec48 | 1263 | |
b1379d9a | 1264 | if (skb_queue_empty(&tp->tx_queue)) |
ebc2ec48 | 1265 | break; |
1266 | ||
b1379d9a | 1267 | agg = r8152_get_tx_agg(tp); |
1268 | if (!agg) | |
ebc2ec48 | 1269 | break; |
ebc2ec48 | 1270 | |
b1379d9a | 1271 | res = r8152_tx_agg_fill(tp, agg); |
1272 | if (res) { | |
1273 | struct net_device_stats *stats; | |
1274 | struct net_device *netdev; | |
1275 | unsigned long flags; | |
ebc2ec48 | 1276 | |
b1379d9a | 1277 | netdev = tp->netdev; |
1278 | stats = rtl8152_get_stats(netdev); | |
ebc2ec48 | 1279 | |
b1379d9a | 1280 | if (res == -ENODEV) { |
1281 | netif_device_detach(netdev); | |
1282 | } else { | |
1283 | netif_warn(tp, tx_err, netdev, | |
1284 | "failed tx_urb %d\n", res); | |
1285 | stats->tx_dropped += agg->skb_num; | |
1286 | spin_lock_irqsave(&tp->tx_lock, flags); | |
1287 | list_add_tail(&agg->list, &tp->tx_free); | |
1288 | spin_unlock_irqrestore(&tp->tx_lock, flags); | |
1289 | } | |
ebc2ec48 | 1290 | } |
b1379d9a | 1291 | } while (res == 0); |
ebc2ec48 | 1292 | } |
1293 | ||
1294 | static void bottom_half(unsigned long data) | |
ac718b69 | 1295 | { |
1296 | struct r8152 *tp; | |
ac718b69 | 1297 | |
ebc2ec48 | 1298 | tp = (struct r8152 *)data; |
1299 | ||
1300 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
1301 | return; | |
1302 | ||
1303 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
ac718b69 | 1304 | return; |
ebc2ec48 | 1305 | |
7559fb2f | 1306 | /* When link down, the driver would cancel all bulks. */ |
1307 | /* This avoid the re-submitting bulk */ | |
ebc2ec48 | 1308 | if (!netif_carrier_ok(tp->netdev)) |
ac718b69 | 1309 | return; |
ebc2ec48 | 1310 | |
1311 | rx_bottom(tp); | |
1312 | tx_bottom(tp); | |
1313 | } | |
1314 | ||
1315 | static | |
1316 | int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) | |
1317 | { | |
1318 | usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), | |
1319 | agg->head, rx_buf_sz, | |
1320 | (usb_complete_t)read_bulk_callback, agg); | |
1321 | ||
1322 | return usb_submit_urb(agg->urb, mem_flags); | |
ac718b69 | 1323 | } |
1324 | ||
1325 | static void rtl8152_tx_timeout(struct net_device *netdev) | |
1326 | { | |
1327 | struct r8152 *tp = netdev_priv(netdev); | |
ebc2ec48 | 1328 | int i; |
1329 | ||
ac718b69 | 1330 | netif_warn(tp, tx_err, netdev, "Tx timeout.\n"); |
ebc2ec48 | 1331 | for (i = 0; i < RTL8152_MAX_TX; i++) |
1332 | usb_unlink_urb(tp->tx_info[i].urb); | |
ac718b69 | 1333 | } |
1334 | ||
1335 | static void rtl8152_set_rx_mode(struct net_device *netdev) | |
1336 | { | |
1337 | struct r8152 *tp = netdev_priv(netdev); | |
1338 | ||
40a82917 | 1339 | if (tp->speed & LINK_STATUS) { |
ac718b69 | 1340 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); |
40a82917 | 1341 | schedule_delayed_work(&tp->schedule, 0); |
1342 | } | |
ac718b69 | 1343 | } |
1344 | ||
1345 | static void _rtl8152_set_rx_mode(struct net_device *netdev) | |
1346 | { | |
1347 | struct r8152 *tp = netdev_priv(netdev); | |
31787f53 | 1348 | u32 mc_filter[2]; /* Multicast hash filter */ |
1349 | __le32 tmp[2]; | |
ac718b69 | 1350 | u32 ocp_data; |
1351 | ||
ac718b69 | 1352 | clear_bit(RTL8152_SET_RX_MODE, &tp->flags); |
1353 | netif_stop_queue(netdev); | |
1354 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
1355 | ocp_data &= ~RCR_ACPT_ALL; | |
1356 | ocp_data |= RCR_AB | RCR_APM; | |
1357 | ||
1358 | if (netdev->flags & IFF_PROMISC) { | |
1359 | /* Unconditionally log net taps. */ | |
1360 | netif_notice(tp, link, netdev, "Promiscuous mode enabled\n"); | |
1361 | ocp_data |= RCR_AM | RCR_AAP; | |
1362 | mc_filter[1] = mc_filter[0] = 0xffffffff; | |
1363 | } else if ((netdev_mc_count(netdev) > multicast_filter_limit) || | |
1364 | (netdev->flags & IFF_ALLMULTI)) { | |
1365 | /* Too many to filter perfectly -- accept all multicasts. */ | |
1366 | ocp_data |= RCR_AM; | |
1367 | mc_filter[1] = mc_filter[0] = 0xffffffff; | |
1368 | } else { | |
1369 | struct netdev_hw_addr *ha; | |
1370 | ||
1371 | mc_filter[1] = mc_filter[0] = 0; | |
1372 | netdev_for_each_mc_addr(ha, netdev) { | |
1373 | int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; | |
1374 | mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); | |
1375 | ocp_data |= RCR_AM; | |
1376 | } | |
1377 | } | |
1378 | ||
31787f53 | 1379 | tmp[0] = __cpu_to_le32(swab32(mc_filter[1])); |
1380 | tmp[1] = __cpu_to_le32(swab32(mc_filter[0])); | |
ac718b69 | 1381 | |
31787f53 | 1382 | pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp); |
ac718b69 | 1383 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); |
1384 | netif_wake_queue(netdev); | |
ac718b69 | 1385 | } |
1386 | ||
1387 | static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, | |
1388 | struct net_device *netdev) | |
1389 | { | |
1390 | struct r8152 *tp = netdev_priv(netdev); | |
1391 | struct net_device_stats *stats = rtl8152_get_stats(netdev); | |
a5a4f468 | 1392 | unsigned long flags; |
ebc2ec48 | 1393 | struct tx_agg *agg = NULL; |
ac718b69 | 1394 | struct tx_desc *tx_desc; |
3ff25e3c | 1395 | unsigned int len; |
ebc2ec48 | 1396 | u8 *tx_data; |
3ff25e3c | 1397 | int res; |
ac718b69 | 1398 | |
ebc2ec48 | 1399 | skb_tx_timestamp(skb); |
ac718b69 | 1400 | |
0de98f6c | 1401 | /* If tx_queue is not empty, it means at least one previous packt */ |
1402 | /* is waiting for sending. Don't send current one before it. */ | |
1403 | if (skb_queue_empty(&tp->tx_queue)) | |
1404 | agg = r8152_get_tx_agg(tp); | |
ebc2ec48 | 1405 | |
1406 | if (!agg) { | |
1407 | skb_queue_tail(&tp->tx_queue, skb); | |
1408 | return NETDEV_TX_OK; | |
1409 | } | |
1410 | ||
1411 | tx_desc = (struct tx_desc *)agg->head; | |
1412 | tx_data = agg->head + sizeof(*tx_desc); | |
1413 | agg->skb_num = agg->skb_len = 0; | |
1414 | ||
1415 | len = skb->len; | |
5bd23881 | 1416 | r8152_tx_csum(tp, tx_desc, skb); |
ebc2ec48 | 1417 | memcpy(tx_data, skb->data, len); |
1418 | dev_kfree_skb_any(skb); | |
1419 | agg->skb_num++; | |
1420 | agg->skb_len += len; | |
1421 | usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), | |
1422 | agg->head, len + sizeof(*tx_desc), | |
1423 | (usb_complete_t)write_bulk_callback, agg); | |
1424 | res = usb_submit_urb(agg->urb, GFP_ATOMIC); | |
ac718b69 | 1425 | if (res) { |
1426 | /* Can we get/handle EPIPE here? */ | |
1427 | if (res == -ENODEV) { | |
1428 | netif_device_detach(tp->netdev); | |
1429 | } else { | |
1430 | netif_warn(tp, tx_err, netdev, | |
1431 | "failed tx_urb %d\n", res); | |
ebc2ec48 | 1432 | stats->tx_dropped++; |
a5a4f468 | 1433 | spin_lock_irqsave(&tp->tx_lock, flags); |
ebc2ec48 | 1434 | list_add_tail(&agg->list, &tp->tx_free); |
a5a4f468 | 1435 | spin_unlock_irqrestore(&tp->tx_lock, flags); |
ac718b69 | 1436 | } |
ac718b69 | 1437 | } |
1438 | ||
1439 | return NETDEV_TX_OK; | |
1440 | } | |
1441 | ||
1442 | static void r8152b_reset_packet_filter(struct r8152 *tp) | |
1443 | { | |
1444 | u32 ocp_data; | |
1445 | ||
1446 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC); | |
1447 | ocp_data &= ~FMC_FCR_MCU_EN; | |
1448 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); | |
1449 | ocp_data |= FMC_FCR_MCU_EN; | |
1450 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); | |
1451 | } | |
1452 | ||
1453 | static void rtl8152_nic_reset(struct r8152 *tp) | |
1454 | { | |
1455 | int i; | |
1456 | ||
1457 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST); | |
1458 | ||
1459 | for (i = 0; i < 1000; i++) { | |
1460 | if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST)) | |
1461 | break; | |
1462 | udelay(100); | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | static inline u8 rtl8152_get_speed(struct r8152 *tp) | |
1467 | { | |
1468 | return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS); | |
1469 | } | |
1470 | ||
1471 | static int rtl8152_enable(struct r8152 *tp) | |
1472 | { | |
ebc2ec48 | 1473 | u32 ocp_data; |
1474 | int i, ret; | |
ac718b69 | 1475 | u8 speed; |
1476 | ||
1477 | speed = rtl8152_get_speed(tp); | |
ebc2ec48 | 1478 | if (speed & _10bps) { |
ac718b69 | 1479 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); |
ebc2ec48 | 1480 | ocp_data |= EEEP_CR_EEEP_TX; |
ac718b69 | 1481 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); |
1482 | } else { | |
1483 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); | |
ebc2ec48 | 1484 | ocp_data &= ~EEEP_CR_EEEP_TX; |
ac718b69 | 1485 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); |
1486 | } | |
1487 | ||
1488 | r8152b_reset_packet_filter(tp); | |
1489 | ||
1490 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR); | |
1491 | ocp_data |= CR_RE | CR_TE; | |
1492 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data); | |
1493 | ||
1494 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
1495 | ocp_data &= ~RXDY_GATED_EN; | |
1496 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
1497 | ||
ebc2ec48 | 1498 | INIT_LIST_HEAD(&tp->rx_done); |
1499 | ret = 0; | |
1500 | for (i = 0; i < RTL8152_MAX_RX; i++) { | |
1501 | INIT_LIST_HEAD(&tp->rx_info[i].list); | |
1502 | ret |= r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL); | |
1503 | } | |
ac718b69 | 1504 | |
ebc2ec48 | 1505 | return ret; |
ac718b69 | 1506 | } |
1507 | ||
1508 | static void rtl8152_disable(struct r8152 *tp) | |
1509 | { | |
ebc2ec48 | 1510 | struct net_device_stats *stats = rtl8152_get_stats(tp->netdev); |
1511 | struct sk_buff *skb; | |
1512 | u32 ocp_data; | |
1513 | int i; | |
ac718b69 | 1514 | |
1515 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
1516 | ocp_data &= ~RCR_ACPT_ALL; | |
1517 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
1518 | ||
ebc2ec48 | 1519 | while ((skb = skb_dequeue(&tp->tx_queue))) { |
1520 | dev_kfree_skb(skb); | |
1521 | stats->tx_dropped++; | |
1522 | } | |
1523 | ||
1524 | for (i = 0; i < RTL8152_MAX_TX; i++) | |
1525 | usb_kill_urb(tp->tx_info[i].urb); | |
ac718b69 | 1526 | |
1527 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
1528 | ocp_data |= RXDY_GATED_EN; | |
1529 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
1530 | ||
1531 | for (i = 0; i < 1000; i++) { | |
1532 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1533 | if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY) | |
1534 | break; | |
1535 | mdelay(1); | |
1536 | } | |
1537 | ||
1538 | for (i = 0; i < 1000; i++) { | |
1539 | if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY) | |
1540 | break; | |
1541 | mdelay(1); | |
1542 | } | |
1543 | ||
ebc2ec48 | 1544 | for (i = 0; i < RTL8152_MAX_RX; i++) |
1545 | usb_kill_urb(tp->rx_info[i].urb); | |
ac718b69 | 1546 | |
1547 | rtl8152_nic_reset(tp); | |
1548 | } | |
1549 | ||
1550 | static void r8152b_exit_oob(struct r8152 *tp) | |
1551 | { | |
1552 | u32 ocp_data; | |
1553 | int i; | |
1554 | ||
1555 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
1556 | ocp_data &= ~RCR_ACPT_ALL; | |
1557 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
1558 | ||
1559 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
1560 | ocp_data |= RXDY_GATED_EN; | |
1561 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
1562 | ||
1563 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); | |
1564 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); | |
1565 | ||
1566 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1567 | ocp_data &= ~NOW_IS_OOB; | |
1568 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
1569 | ||
1570 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
1571 | ocp_data &= ~MCU_BORW_EN; | |
1572 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
1573 | ||
1574 | for (i = 0; i < 1000; i++) { | |
1575 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1576 | if (ocp_data & LINK_LIST_READY) | |
1577 | break; | |
1578 | mdelay(1); | |
1579 | } | |
1580 | ||
1581 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
1582 | ocp_data |= RE_INIT_LL; | |
1583 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
1584 | ||
1585 | for (i = 0; i < 1000; i++) { | |
1586 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1587 | if (ocp_data & LINK_LIST_READY) | |
1588 | break; | |
1589 | mdelay(1); | |
1590 | } | |
1591 | ||
1592 | rtl8152_nic_reset(tp); | |
1593 | ||
1594 | /* rx share fifo credit full threshold */ | |
1595 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); | |
1596 | ||
1597 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_DEV_STAT); | |
1598 | ocp_data &= STAT_SPEED_MASK; | |
1599 | if (ocp_data == STAT_SPEED_FULL) { | |
1600 | /* rx share fifo credit near full threshold */ | |
1601 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, | |
1602 | RXFIFO_THR2_FULL); | |
1603 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, | |
1604 | RXFIFO_THR3_FULL); | |
1605 | } else { | |
1606 | /* rx share fifo credit near full threshold */ | |
1607 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, | |
1608 | RXFIFO_THR2_HIGH); | |
1609 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, | |
1610 | RXFIFO_THR3_HIGH); | |
1611 | } | |
1612 | ||
1613 | /* TX share fifo free credit full threshold */ | |
1614 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL); | |
1615 | ||
1616 | ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD); | |
1617 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_BUF_THR); | |
1618 | ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA, | |
1619 | TEST_MODE_DISABLE | TX_SIZE_ADJUST1); | |
1620 | ||
1621 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); | |
1622 | ocp_data &= ~CPCR_RX_VLAN; | |
1623 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); | |
1624 | ||
1625 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); | |
1626 | ||
1627 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); | |
1628 | ocp_data |= TCR0_AUTO_FIFO; | |
1629 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); | |
1630 | } | |
1631 | ||
1632 | static void r8152b_enter_oob(struct r8152 *tp) | |
1633 | { | |
1634 | u32 ocp_data; | |
1635 | int i; | |
1636 | ||
1637 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1638 | ocp_data &= ~NOW_IS_OOB; | |
1639 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
1640 | ||
1641 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB); | |
1642 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB); | |
1643 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB); | |
1644 | ||
1645 | rtl8152_disable(tp); | |
1646 | ||
1647 | for (i = 0; i < 1000; i++) { | |
1648 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1649 | if (ocp_data & LINK_LIST_READY) | |
1650 | break; | |
1651 | mdelay(1); | |
1652 | } | |
1653 | ||
1654 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); | |
1655 | ocp_data |= RE_INIT_LL; | |
1656 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); | |
1657 | ||
1658 | for (i = 0; i < 1000; i++) { | |
1659 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1660 | if (ocp_data & LINK_LIST_READY) | |
1661 | break; | |
1662 | mdelay(1); | |
1663 | } | |
1664 | ||
1665 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); | |
1666 | ||
1667 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); | |
1668 | ocp_data |= MAGIC_EN; | |
1669 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data); | |
1670 | ||
1671 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); | |
1672 | ocp_data |= CPCR_RX_VLAN; | |
1673 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); | |
1674 | ||
1675 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); | |
1676 | ocp_data |= ALDPS_PROXY_MODE; | |
1677 | ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); | |
1678 | ||
1679 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); | |
1680 | ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; | |
1681 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); | |
1682 | ||
1683 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5, LAN_WAKE_EN); | |
1684 | ||
1685 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); | |
1686 | ocp_data &= ~RXDY_GATED_EN; | |
1687 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); | |
1688 | ||
1689 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); | |
1690 | ocp_data |= RCR_APM | RCR_AM | RCR_AB; | |
1691 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); | |
1692 | } | |
1693 | ||
1694 | static void r8152b_disable_aldps(struct r8152 *tp) | |
1695 | { | |
1696 | ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE); | |
1697 | msleep(20); | |
1698 | } | |
1699 | ||
1700 | static inline void r8152b_enable_aldps(struct r8152 *tp) | |
1701 | { | |
1702 | ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS | | |
1703 | LINKENA | DIS_SDSAVE); | |
1704 | } | |
1705 | ||
1706 | static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) | |
1707 | { | |
1708 | u16 bmcr, anar; | |
1709 | int ret = 0; | |
1710 | ||
1711 | cancel_delayed_work_sync(&tp->schedule); | |
1712 | anar = r8152_mdio_read(tp, MII_ADVERTISE); | |
1713 | anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | | |
1714 | ADVERTISE_100HALF | ADVERTISE_100FULL); | |
1715 | ||
1716 | if (autoneg == AUTONEG_DISABLE) { | |
1717 | if (speed == SPEED_10) { | |
1718 | bmcr = 0; | |
1719 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
1720 | } else if (speed == SPEED_100) { | |
1721 | bmcr = BMCR_SPEED100; | |
1722 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; | |
1723 | } else { | |
1724 | ret = -EINVAL; | |
1725 | goto out; | |
1726 | } | |
1727 | ||
1728 | if (duplex == DUPLEX_FULL) | |
1729 | bmcr |= BMCR_FULLDPLX; | |
1730 | } else { | |
1731 | if (speed == SPEED_10) { | |
1732 | if (duplex == DUPLEX_FULL) | |
1733 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
1734 | else | |
1735 | anar |= ADVERTISE_10HALF; | |
1736 | } else if (speed == SPEED_100) { | |
1737 | if (duplex == DUPLEX_FULL) { | |
1738 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; | |
1739 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; | |
1740 | } else { | |
1741 | anar |= ADVERTISE_10HALF; | |
1742 | anar |= ADVERTISE_100HALF; | |
1743 | } | |
1744 | } else { | |
1745 | ret = -EINVAL; | |
1746 | goto out; | |
1747 | } | |
1748 | ||
1749 | bmcr = BMCR_ANENABLE | BMCR_ANRESTART; | |
1750 | } | |
1751 | ||
1752 | r8152_mdio_write(tp, MII_ADVERTISE, anar); | |
1753 | r8152_mdio_write(tp, MII_BMCR, bmcr); | |
1754 | ||
1755 | out: | |
ac718b69 | 1756 | |
1757 | return ret; | |
1758 | } | |
1759 | ||
1760 | static void rtl8152_down(struct r8152 *tp) | |
1761 | { | |
1762 | u32 ocp_data; | |
1763 | ||
1764 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); | |
1765 | ocp_data &= ~POWER_CUT; | |
1766 | ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); | |
1767 | ||
1768 | r8152b_disable_aldps(tp); | |
1769 | r8152b_enter_oob(tp); | |
1770 | r8152b_enable_aldps(tp); | |
1771 | } | |
1772 | ||
1773 | static void set_carrier(struct r8152 *tp) | |
1774 | { | |
1775 | struct net_device *netdev = tp->netdev; | |
1776 | u8 speed; | |
1777 | ||
40a82917 | 1778 | clear_bit(RTL8152_LINK_CHG, &tp->flags); |
ac718b69 | 1779 | speed = rtl8152_get_speed(tp); |
1780 | ||
1781 | if (speed & LINK_STATUS) { | |
1782 | if (!(tp->speed & LINK_STATUS)) { | |
1783 | rtl8152_enable(tp); | |
1784 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); | |
1785 | netif_carrier_on(netdev); | |
1786 | } | |
1787 | } else { | |
1788 | if (tp->speed & LINK_STATUS) { | |
1789 | netif_carrier_off(netdev); | |
ebc2ec48 | 1790 | tasklet_disable(&tp->tl); |
ac718b69 | 1791 | rtl8152_disable(tp); |
ebc2ec48 | 1792 | tasklet_enable(&tp->tl); |
ac718b69 | 1793 | } |
1794 | } | |
1795 | tp->speed = speed; | |
1796 | } | |
1797 | ||
1798 | static void rtl_work_func_t(struct work_struct *work) | |
1799 | { | |
1800 | struct r8152 *tp = container_of(work, struct r8152, schedule.work); | |
1801 | ||
1802 | if (!test_bit(WORK_ENABLE, &tp->flags)) | |
1803 | goto out1; | |
1804 | ||
1805 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) | |
1806 | goto out1; | |
1807 | ||
40a82917 | 1808 | if (test_bit(RTL8152_LINK_CHG, &tp->flags)) |
1809 | set_carrier(tp); | |
ac718b69 | 1810 | |
1811 | if (test_bit(RTL8152_SET_RX_MODE, &tp->flags)) | |
1812 | _rtl8152_set_rx_mode(tp->netdev); | |
1813 | ||
ac718b69 | 1814 | out1: |
1815 | return; | |
1816 | } | |
1817 | ||
1818 | static int rtl8152_open(struct net_device *netdev) | |
1819 | { | |
1820 | struct r8152 *tp = netdev_priv(netdev); | |
1821 | int res = 0; | |
1822 | ||
40a82917 | 1823 | res = usb_submit_urb(tp->intr_urb, GFP_KERNEL); |
1824 | if (res) { | |
1825 | if (res == -ENODEV) | |
1826 | netif_device_detach(tp->netdev); | |
1827 | netif_warn(tp, ifup, netdev, | |
1828 | "intr_urb submit failed: %d\n", res); | |
1829 | return res; | |
ac718b69 | 1830 | } |
1831 | ||
1832 | rtl8152_set_speed(tp, AUTONEG_ENABLE, SPEED_100, DUPLEX_FULL); | |
40a82917 | 1833 | tp->speed = 0; |
1834 | netif_carrier_off(netdev); | |
ac718b69 | 1835 | netif_start_queue(netdev); |
1836 | set_bit(WORK_ENABLE, &tp->flags); | |
ac718b69 | 1837 | |
1838 | return res; | |
1839 | } | |
1840 | ||
1841 | static int rtl8152_close(struct net_device *netdev) | |
1842 | { | |
1843 | struct r8152 *tp = netdev_priv(netdev); | |
1844 | int res = 0; | |
1845 | ||
40a82917 | 1846 | usb_kill_urb(tp->intr_urb); |
ac718b69 | 1847 | clear_bit(WORK_ENABLE, &tp->flags); |
1848 | cancel_delayed_work_sync(&tp->schedule); | |
1849 | netif_stop_queue(netdev); | |
ebc2ec48 | 1850 | tasklet_disable(&tp->tl); |
ac718b69 | 1851 | rtl8152_disable(tp); |
ebc2ec48 | 1852 | tasklet_enable(&tp->tl); |
ac718b69 | 1853 | |
1854 | return res; | |
1855 | } | |
1856 | ||
1857 | static void rtl_clear_bp(struct r8152 *tp) | |
1858 | { | |
1859 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_0, 0); | |
1860 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_2, 0); | |
1861 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_4, 0); | |
1862 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_6, 0); | |
1863 | ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_0, 0); | |
1864 | ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_2, 0); | |
1865 | ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_4, 0); | |
1866 | ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_6, 0); | |
1867 | mdelay(3); | |
1868 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_BA, 0); | |
1869 | ocp_write_word(tp, MCU_TYPE_USB, USB_BP_BA, 0); | |
1870 | } | |
1871 | ||
1872 | static void r8152b_enable_eee(struct r8152 *tp) | |
1873 | { | |
1874 | u32 ocp_data; | |
1875 | ||
1876 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); | |
1877 | ocp_data |= EEE_RX_EN | EEE_TX_EN; | |
1878 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); | |
1879 | ocp_reg_write(tp, OCP_EEE_CONFIG1, RG_TXLPI_MSK_HFDUP | RG_MATCLR_EN | | |
1880 | EEE_10_CAP | EEE_NWAY_EN | | |
1881 | TX_QUIET_EN | RX_QUIET_EN | | |
1882 | SDRISETIME | RG_RXLPI_MSK_HFDUP | | |
1883 | SDFALLTIME); | |
1884 | ocp_reg_write(tp, OCP_EEE_CONFIG2, RG_LPIHYS_NUM | RG_DACQUIET_EN | | |
1885 | RG_LDVQUIET_EN | RG_CKRSEL | | |
1886 | RG_EEEPRG_EN); | |
1887 | ocp_reg_write(tp, OCP_EEE_CONFIG3, FST_SNR_EYE_R | RG_LFS_SEL | MSK_PH); | |
1888 | ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | DEVICE_ADDR); | |
1889 | ocp_reg_write(tp, OCP_EEE_DATA, EEE_ADDR); | |
1890 | ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | DEVICE_ADDR); | |
1891 | ocp_reg_write(tp, OCP_EEE_DATA, EEE_DATA); | |
1892 | ocp_reg_write(tp, OCP_EEE_AR, 0x0000); | |
1893 | } | |
1894 | ||
1895 | static void r8152b_enable_fc(struct r8152 *tp) | |
1896 | { | |
1897 | u16 anar; | |
1898 | ||
1899 | anar = r8152_mdio_read(tp, MII_ADVERTISE); | |
1900 | anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
1901 | r8152_mdio_write(tp, MII_ADVERTISE, anar); | |
1902 | } | |
1903 | ||
1904 | static void r8152b_hw_phy_cfg(struct r8152 *tp) | |
1905 | { | |
1906 | r8152_mdio_write(tp, MII_BMCR, BMCR_ANENABLE); | |
1907 | r8152b_disable_aldps(tp); | |
1908 | } | |
1909 | ||
1910 | static void r8152b_init(struct r8152 *tp) | |
1911 | { | |
ebc2ec48 | 1912 | u32 ocp_data; |
1913 | int i; | |
ac718b69 | 1914 | |
1915 | rtl_clear_bp(tp); | |
1916 | ||
1917 | if (tp->version == RTL_VER_01) { | |
1918 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); | |
1919 | ocp_data &= ~LED_MODE_MASK; | |
1920 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); | |
1921 | } | |
1922 | ||
1923 | r8152b_hw_phy_cfg(tp); | |
1924 | ||
1925 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); | |
1926 | ocp_data &= ~POWER_CUT; | |
1927 | ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); | |
1928 | ||
1929 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); | |
1930 | ocp_data &= ~RWSUME_INDICATE; | |
1931 | ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); | |
1932 | ||
1933 | r8152b_exit_oob(tp); | |
1934 | ||
1935 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); | |
1936 | ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH; | |
1937 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); | |
1938 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL); | |
1939 | ocp_data &= ~MCU_CLK_RATIO_MASK; | |
1940 | ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN; | |
1941 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data); | |
1942 | ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK | | |
1943 | SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK; | |
1944 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data); | |
1945 | ||
1946 | r8152b_enable_eee(tp); | |
1947 | r8152b_enable_aldps(tp); | |
1948 | r8152b_enable_fc(tp); | |
1949 | ||
1950 | r8152_mdio_write(tp, MII_BMCR, BMCR_RESET | BMCR_ANENABLE | | |
1951 | BMCR_ANRESTART); | |
1952 | for (i = 0; i < 100; i++) { | |
1953 | udelay(100); | |
1954 | if (!(r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET)) | |
1955 | break; | |
1956 | } | |
1957 | ||
ebc2ec48 | 1958 | /* enable rx aggregation */ |
ac718b69 | 1959 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); |
ebc2ec48 | 1960 | ocp_data &= ~RX_AGG_DISABLE; |
ac718b69 | 1961 | ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); |
1962 | } | |
1963 | ||
1964 | static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) | |
1965 | { | |
1966 | struct r8152 *tp = usb_get_intfdata(intf); | |
1967 | ||
1968 | netif_device_detach(tp->netdev); | |
1969 | ||
1970 | if (netif_running(tp->netdev)) { | |
1971 | clear_bit(WORK_ENABLE, &tp->flags); | |
40a82917 | 1972 | usb_kill_urb(tp->intr_urb); |
ac718b69 | 1973 | cancel_delayed_work_sync(&tp->schedule); |
ebc2ec48 | 1974 | tasklet_disable(&tp->tl); |
ac718b69 | 1975 | } |
1976 | ||
1977 | rtl8152_down(tp); | |
1978 | ||
1979 | return 0; | |
1980 | } | |
1981 | ||
1982 | static int rtl8152_resume(struct usb_interface *intf) | |
1983 | { | |
1984 | struct r8152 *tp = usb_get_intfdata(intf); | |
1985 | ||
1986 | r8152b_init(tp); | |
1987 | netif_device_attach(tp->netdev); | |
1988 | if (netif_running(tp->netdev)) { | |
40a82917 | 1989 | rtl8152_set_speed(tp, AUTONEG_ENABLE, SPEED_100, DUPLEX_FULL); |
1990 | tp->speed = 0; | |
1991 | netif_carrier_off(tp->netdev); | |
ac718b69 | 1992 | set_bit(WORK_ENABLE, &tp->flags); |
40a82917 | 1993 | usb_submit_urb(tp->intr_urb, GFP_KERNEL); |
ebc2ec48 | 1994 | tasklet_enable(&tp->tl); |
ac718b69 | 1995 | } |
1996 | ||
1997 | return 0; | |
1998 | } | |
1999 | ||
2000 | static void rtl8152_get_drvinfo(struct net_device *netdev, | |
2001 | struct ethtool_drvinfo *info) | |
2002 | { | |
2003 | struct r8152 *tp = netdev_priv(netdev); | |
2004 | ||
2005 | strncpy(info->driver, MODULENAME, ETHTOOL_BUSINFO_LEN); | |
2006 | strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN); | |
2007 | usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info)); | |
2008 | } | |
2009 | ||
2010 | static | |
2011 | int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) | |
2012 | { | |
2013 | struct r8152 *tp = netdev_priv(netdev); | |
2014 | ||
2015 | if (!tp->mii.mdio_read) | |
2016 | return -EOPNOTSUPP; | |
2017 | ||
2018 | return mii_ethtool_gset(&tp->mii, cmd); | |
2019 | } | |
2020 | ||
2021 | static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
2022 | { | |
2023 | struct r8152 *tp = netdev_priv(dev); | |
2024 | ||
2025 | return rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex); | |
2026 | } | |
2027 | ||
2028 | static struct ethtool_ops ops = { | |
2029 | .get_drvinfo = rtl8152_get_drvinfo, | |
2030 | .get_settings = rtl8152_get_settings, | |
2031 | .set_settings = rtl8152_set_settings, | |
2032 | .get_link = ethtool_op_get_link, | |
2033 | }; | |
2034 | ||
2035 | static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) | |
2036 | { | |
2037 | struct r8152 *tp = netdev_priv(netdev); | |
2038 | struct mii_ioctl_data *data = if_mii(rq); | |
2039 | int res = 0; | |
2040 | ||
2041 | switch (cmd) { | |
2042 | case SIOCGMIIPHY: | |
2043 | data->phy_id = R8152_PHY_ID; /* Internal PHY */ | |
2044 | break; | |
2045 | ||
2046 | case SIOCGMIIREG: | |
2047 | data->val_out = r8152_mdio_read(tp, data->reg_num); | |
2048 | break; | |
2049 | ||
2050 | case SIOCSMIIREG: | |
2051 | if (!capable(CAP_NET_ADMIN)) { | |
2052 | res = -EPERM; | |
2053 | break; | |
2054 | } | |
2055 | r8152_mdio_write(tp, data->reg_num, data->val_in); | |
2056 | break; | |
2057 | ||
2058 | default: | |
2059 | res = -EOPNOTSUPP; | |
2060 | } | |
2061 | ||
2062 | return res; | |
2063 | } | |
2064 | ||
2065 | static const struct net_device_ops rtl8152_netdev_ops = { | |
2066 | .ndo_open = rtl8152_open, | |
2067 | .ndo_stop = rtl8152_close, | |
2068 | .ndo_do_ioctl = rtl8152_ioctl, | |
2069 | .ndo_start_xmit = rtl8152_start_xmit, | |
2070 | .ndo_tx_timeout = rtl8152_tx_timeout, | |
2071 | .ndo_set_rx_mode = rtl8152_set_rx_mode, | |
2072 | .ndo_set_mac_address = rtl8152_set_mac_address, | |
2073 | ||
2074 | .ndo_change_mtu = eth_change_mtu, | |
2075 | .ndo_validate_addr = eth_validate_addr, | |
2076 | }; | |
2077 | ||
2078 | static void r8152b_get_version(struct r8152 *tp) | |
2079 | { | |
2080 | u32 ocp_data; | |
2081 | u16 version; | |
2082 | ||
2083 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1); | |
2084 | version = (u16)(ocp_data & VERSION_MASK); | |
2085 | ||
2086 | switch (version) { | |
2087 | case 0x4c00: | |
2088 | tp->version = RTL_VER_01; | |
2089 | break; | |
2090 | case 0x4c10: | |
2091 | tp->version = RTL_VER_02; | |
2092 | break; | |
2093 | default: | |
2094 | netif_info(tp, probe, tp->netdev, | |
2095 | "Unknown version 0x%04x\n", version); | |
2096 | break; | |
2097 | } | |
2098 | } | |
2099 | ||
2100 | static int rtl8152_probe(struct usb_interface *intf, | |
2101 | const struct usb_device_id *id) | |
2102 | { | |
2103 | struct usb_device *udev = interface_to_usbdev(intf); | |
2104 | struct r8152 *tp; | |
2105 | struct net_device *netdev; | |
ebc2ec48 | 2106 | int ret; |
ac718b69 | 2107 | |
2108 | if (udev->actconfig->desc.bConfigurationValue != 1) { | |
2109 | usb_driver_set_configuration(udev, 1); | |
2110 | return -ENODEV; | |
2111 | } | |
2112 | ||
2113 | netdev = alloc_etherdev(sizeof(struct r8152)); | |
2114 | if (!netdev) { | |
2115 | dev_err(&intf->dev, "Out of memory"); | |
2116 | return -ENOMEM; | |
2117 | } | |
2118 | ||
ebc2ec48 | 2119 | SET_NETDEV_DEV(netdev, &intf->dev); |
ac718b69 | 2120 | tp = netdev_priv(netdev); |
2121 | tp->msg_enable = 0x7FFF; | |
2122 | ||
ebc2ec48 | 2123 | tasklet_init(&tp->tl, bottom_half, (unsigned long)tp); |
ac718b69 | 2124 | INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t); |
2125 | ||
2126 | tp->udev = udev; | |
2127 | tp->netdev = netdev; | |
40a82917 | 2128 | tp->intf = intf; |
ac718b69 | 2129 | netdev->netdev_ops = &rtl8152_netdev_ops; |
2130 | netdev->watchdog_timeo = RTL8152_TX_TIMEOUT; | |
5bd23881 | 2131 | |
2132 | netdev->features |= NETIF_F_IP_CSUM; | |
2133 | netdev->hw_features = NETIF_F_IP_CSUM; | |
ac718b69 | 2134 | SET_ETHTOOL_OPS(netdev, &ops); |
ac718b69 | 2135 | |
2136 | tp->mii.dev = netdev; | |
2137 | tp->mii.mdio_read = read_mii_word; | |
2138 | tp->mii.mdio_write = write_mii_word; | |
2139 | tp->mii.phy_id_mask = 0x3f; | |
2140 | tp->mii.reg_num_mask = 0x1f; | |
2141 | tp->mii.phy_id = R8152_PHY_ID; | |
2142 | tp->mii.supports_gmii = 0; | |
2143 | ||
2144 | r8152b_get_version(tp); | |
2145 | r8152b_init(tp); | |
2146 | set_ethernet_addr(tp); | |
2147 | ||
ebc2ec48 | 2148 | ret = alloc_all_mem(tp); |
2149 | if (ret) | |
ac718b69 | 2150 | goto out; |
ac718b69 | 2151 | |
2152 | usb_set_intfdata(intf, tp); | |
ac718b69 | 2153 | |
ebc2ec48 | 2154 | ret = register_netdev(netdev); |
2155 | if (ret != 0) { | |
ac718b69 | 2156 | netif_err(tp, probe, netdev, "couldn't register the device"); |
ebc2ec48 | 2157 | goto out1; |
ac718b69 | 2158 | } |
2159 | ||
2160 | netif_info(tp, probe, netdev, "%s", DRIVER_VERSION); | |
2161 | ||
2162 | return 0; | |
2163 | ||
ac718b69 | 2164 | out1: |
ebc2ec48 | 2165 | usb_set_intfdata(intf, NULL); |
ac718b69 | 2166 | out: |
2167 | free_netdev(netdev); | |
ebc2ec48 | 2168 | return ret; |
ac718b69 | 2169 | } |
2170 | ||
2171 | static void rtl8152_unload(struct r8152 *tp) | |
2172 | { | |
2173 | u32 ocp_data; | |
2174 | ||
2175 | if (tp->version != RTL_VER_01) { | |
2176 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); | |
2177 | ocp_data |= POWER_CUT; | |
2178 | ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); | |
2179 | } | |
2180 | ||
2181 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); | |
2182 | ocp_data &= ~RWSUME_INDICATE; | |
2183 | ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); | |
2184 | } | |
2185 | ||
2186 | static void rtl8152_disconnect(struct usb_interface *intf) | |
2187 | { | |
2188 | struct r8152 *tp = usb_get_intfdata(intf); | |
2189 | ||
2190 | usb_set_intfdata(intf, NULL); | |
2191 | if (tp) { | |
2192 | set_bit(RTL8152_UNPLUG, &tp->flags); | |
2193 | tasklet_kill(&tp->tl); | |
2194 | unregister_netdev(tp->netdev); | |
2195 | rtl8152_unload(tp); | |
ebc2ec48 | 2196 | free_all_mem(tp); |
ac718b69 | 2197 | free_netdev(tp->netdev); |
2198 | } | |
2199 | } | |
2200 | ||
2201 | /* table of devices that work with this driver */ | |
2202 | static struct usb_device_id rtl8152_table[] = { | |
2203 | {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8152)}, | |
2204 | {} | |
2205 | }; | |
2206 | ||
2207 | MODULE_DEVICE_TABLE(usb, rtl8152_table); | |
2208 | ||
2209 | static struct usb_driver rtl8152_driver = { | |
2210 | .name = MODULENAME, | |
ebc2ec48 | 2211 | .id_table = rtl8152_table, |
ac718b69 | 2212 | .probe = rtl8152_probe, |
2213 | .disconnect = rtl8152_disconnect, | |
ac718b69 | 2214 | .suspend = rtl8152_suspend, |
ebc2ec48 | 2215 | .resume = rtl8152_resume, |
2216 | .reset_resume = rtl8152_resume, | |
ac718b69 | 2217 | }; |
2218 | ||
b4236daa | 2219 | module_usb_driver(rtl8152_driver); |
ac718b69 | 2220 | |
2221 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
2222 | MODULE_DESCRIPTION(DRIVER_DESC); | |
2223 | MODULE_LICENSE("GPL"); |