2 * Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved.
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.
10 #include <linux/signal.h>
11 #include <linux/slab.h>
12 #include <linux/module.h>
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>
21 #include <linux/list.h>
23 #include <linux/ipv6.h>
24 #include <net/ip6_checksum.h>
26 /* Version Information */
27 #define DRIVER_VERSION "v1.06.0 (2014/03/03)"
28 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
29 #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
30 #define MODULENAME "r8152"
32 #define R8152_PHY_ID 32
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_TEREDO_CFG 0xc0bc
43 #define PLA_MAR 0xcd00
44 #define PLA_BACKUP 0xd000
45 #define PAL_BDC_CR 0xd1a0
46 #define PLA_TEREDO_TIMER 0xd2cc
47 #define PLA_REALWOW_TIMER 0xd2e8
48 #define PLA_LEDSEL 0xdd90
49 #define PLA_LED_FEATURE 0xdd92
50 #define PLA_PHYAR 0xde00
51 #define PLA_BOOT_CTRL 0xe004
52 #define PLA_GPHY_INTR_IMR 0xe022
53 #define PLA_EEE_CR 0xe040
54 #define PLA_EEEP_CR 0xe080
55 #define PLA_MAC_PWR_CTRL 0xe0c0
56 #define PLA_MAC_PWR_CTRL2 0xe0ca
57 #define PLA_MAC_PWR_CTRL3 0xe0cc
58 #define PLA_MAC_PWR_CTRL4 0xe0ce
59 #define PLA_WDT6_CTRL 0xe428
60 #define PLA_TCR0 0xe610
61 #define PLA_TCR1 0xe612
62 #define PLA_TXFIFO_CTRL 0xe618
63 #define PLA_RSTTALLY 0xe800
65 #define PLA_CRWECR 0xe81c
66 #define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */
67 #define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */
68 #define PLA_CONFIG5 0xe822
69 #define PLA_PHY_PWR 0xe84c
70 #define PLA_OOB_CTRL 0xe84f
71 #define PLA_CPCR 0xe854
72 #define PLA_MISC_0 0xe858
73 #define PLA_MISC_1 0xe85a
74 #define PLA_OCP_GPHY_BASE 0xe86c
75 #define PLA_TALLYCNT 0xe890
76 #define PLA_SFF_STS_7 0xe8de
77 #define PLA_PHYSTATUS 0xe908
78 #define PLA_BP_BA 0xfc26
79 #define PLA_BP_0 0xfc28
80 #define PLA_BP_1 0xfc2a
81 #define PLA_BP_2 0xfc2c
82 #define PLA_BP_3 0xfc2e
83 #define PLA_BP_4 0xfc30
84 #define PLA_BP_5 0xfc32
85 #define PLA_BP_6 0xfc34
86 #define PLA_BP_7 0xfc36
87 #define PLA_BP_EN 0xfc38
89 #define USB_U2P3_CTRL 0xb460
90 #define USB_DEV_STAT 0xb808
91 #define USB_USB_CTRL 0xd406
92 #define USB_PHY_CTRL 0xd408
93 #define USB_TX_AGG 0xd40a
94 #define USB_RX_BUF_TH 0xd40c
95 #define USB_USB_TIMER 0xd428
96 #define USB_RX_EARLY_AGG 0xd42c
97 #define USB_PM_CTRL_STATUS 0xd432
98 #define USB_TX_DMA 0xd434
99 #define USB_TOLERANCE 0xd490
100 #define USB_LPM_CTRL 0xd41a
101 #define USB_UPS_CTRL 0xd800
102 #define USB_MISC_0 0xd81a
103 #define USB_POWER_CUT 0xd80a
104 #define USB_AFE_CTRL2 0xd824
105 #define USB_WDT11_CTRL 0xe43c
106 #define USB_BP_BA 0xfc26
107 #define USB_BP_0 0xfc28
108 #define USB_BP_1 0xfc2a
109 #define USB_BP_2 0xfc2c
110 #define USB_BP_3 0xfc2e
111 #define USB_BP_4 0xfc30
112 #define USB_BP_5 0xfc32
113 #define USB_BP_6 0xfc34
114 #define USB_BP_7 0xfc36
115 #define USB_BP_EN 0xfc38
118 #define OCP_ALDPS_CONFIG 0x2010
119 #define OCP_EEE_CONFIG1 0x2080
120 #define OCP_EEE_CONFIG2 0x2092
121 #define OCP_EEE_CONFIG3 0x2094
122 #define OCP_BASE_MII 0xa400
123 #define OCP_EEE_AR 0xa41a
124 #define OCP_EEE_DATA 0xa41c
125 #define OCP_PHY_STATUS 0xa420
126 #define OCP_POWER_CFG 0xa430
127 #define OCP_EEE_CFG 0xa432
128 #define OCP_SRAM_ADDR 0xa436
129 #define OCP_SRAM_DATA 0xa438
130 #define OCP_DOWN_SPEED 0xa442
131 #define OCP_EEE_CFG2 0xa5d0
132 #define OCP_ADC_CFG 0xbc06
135 #define SRAM_LPF_CFG 0x8012
136 #define SRAM_10M_AMP1 0x8080
137 #define SRAM_10M_AMP2 0x8082
138 #define SRAM_IMPEDANCE 0x8084
141 #define RCR_AAP 0x00000001
142 #define RCR_APM 0x00000002
143 #define RCR_AM 0x00000004
144 #define RCR_AB 0x00000008
145 #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
147 /* PLA_RXFIFO_CTRL0 */
148 #define RXFIFO_THR1_NORMAL 0x00080002
149 #define RXFIFO_THR1_OOB 0x01800003
151 /* PLA_RXFIFO_CTRL1 */
152 #define RXFIFO_THR2_FULL 0x00000060
153 #define RXFIFO_THR2_HIGH 0x00000038
154 #define RXFIFO_THR2_OOB 0x0000004a
155 #define RXFIFO_THR2_NORMAL 0x00a0
157 /* PLA_RXFIFO_CTRL2 */
158 #define RXFIFO_THR3_FULL 0x00000078
159 #define RXFIFO_THR3_HIGH 0x00000048
160 #define RXFIFO_THR3_OOB 0x0000005a
161 #define RXFIFO_THR3_NORMAL 0x0110
163 /* PLA_TXFIFO_CTRL */
164 #define TXFIFO_THR_NORMAL 0x00400008
165 #define TXFIFO_THR_NORMAL2 0x01000008
168 #define FMC_FCR_MCU_EN 0x0001
171 #define EEEP_CR_EEEP_TX 0x0002
174 #define WDT6_SET_MODE 0x0010
177 #define TCR0_TX_EMPTY 0x0800
178 #define TCR0_AUTO_FIFO 0x0080
181 #define VERSION_MASK 0x7cf0
184 #define TALLY_RESET 0x0001
192 #define CRWECR_NORAML 0x00
193 #define CRWECR_CONFIG 0xc0
196 #define NOW_IS_OOB 0x80
197 #define TXFIFO_EMPTY 0x20
198 #define RXFIFO_EMPTY 0x10
199 #define LINK_LIST_READY 0x02
200 #define DIS_MCU_CLROOB 0x01
201 #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY)
204 #define RXDY_GATED_EN 0x0008
207 #define RE_INIT_LL 0x8000
208 #define MCU_BORW_EN 0x4000
211 #define CPCR_RX_VLAN 0x0040
214 #define MAGIC_EN 0x0001
217 #define TEREDO_SEL 0x8000
218 #define TEREDO_WAKE_MASK 0x7f00
219 #define TEREDO_RS_EVENT_MASK 0x00fe
220 #define OOB_TEREDO_EN 0x0001
223 #define ALDPS_PROXY_MODE 0x0001
226 #define LINK_ON_WAKE_EN 0x0010
227 #define LINK_OFF_WAKE_EN 0x0008
230 #define BWF_EN 0x0040
231 #define MWF_EN 0x0020
232 #define UWF_EN 0x0010
233 #define LAN_WAKE_EN 0x0002
235 /* PLA_LED_FEATURE */
236 #define LED_MODE_MASK 0x0700
239 #define TX_10M_IDLE_EN 0x0080
240 #define PFM_PWM_SWITCH 0x0040
242 /* PLA_MAC_PWR_CTRL */
243 #define D3_CLK_GATED_EN 0x00004000
244 #define MCU_CLK_RATIO 0x07010f07
245 #define MCU_CLK_RATIO_MASK 0x0f0f0f0f
246 #define ALDPS_SPDWN_RATIO 0x0f87
248 /* PLA_MAC_PWR_CTRL2 */
249 #define EEE_SPDWN_RATIO 0x8007
251 /* PLA_MAC_PWR_CTRL3 */
252 #define PKT_AVAIL_SPDWN_EN 0x0100
253 #define SUSPEND_SPDWN_EN 0x0004
254 #define U1U2_SPDWN_EN 0x0002
255 #define L1_SPDWN_EN 0x0001
257 /* PLA_MAC_PWR_CTRL4 */
258 #define PWRSAVE_SPDWN_EN 0x1000
259 #define RXDV_SPDWN_EN 0x0800
260 #define TX10MIDLE_EN 0x0100
261 #define TP100_SPDWN_EN 0x0020
262 #define TP500_SPDWN_EN 0x0010
263 #define TP1000_SPDWN_EN 0x0008
264 #define EEE_SPDWN_EN 0x0001
266 /* PLA_GPHY_INTR_IMR */
267 #define GPHY_STS_MSK 0x0001
268 #define SPEED_DOWN_MSK 0x0002
269 #define SPDWN_RXDV_MSK 0x0004
270 #define SPDWN_LINKCHG_MSK 0x0008
273 #define PHYAR_FLAG 0x80000000
276 #define EEE_RX_EN 0x0001
277 #define EEE_TX_EN 0x0002
280 #define AUTOLOAD_DONE 0x0002
283 #define STAT_SPEED_MASK 0x0006
284 #define STAT_SPEED_HIGH 0x0000
285 #define STAT_SPEED_FULL 0x0001
288 #define TX_AGG_MAX_THRESHOLD 0x03
291 #define RX_THR_SUPPER 0x0c350180
292 #define RX_THR_HIGH 0x7a120180
293 #define RX_THR_SLOW 0xffff0180
296 #define TEST_MODE_DISABLE 0x00000001
297 #define TX_SIZE_ADJUST1 0x00000100
300 #define POWER_CUT 0x0100
302 /* USB_PM_CTRL_STATUS */
303 #define RESUME_INDICATE 0x0001
306 #define RX_AGG_DISABLE 0x0010
309 #define U2P3_ENABLE 0x0001
312 #define PWR_EN 0x0001
313 #define PHASE2_EN 0x0008
316 #define PCUT_STATUS 0x0001
318 /* USB_RX_EARLY_AGG */
319 #define EARLY_AGG_SUPPER 0x0e832981
320 #define EARLY_AGG_HIGH 0x0e837a12
321 #define EARLY_AGG_SLOW 0x0e83ffff
324 #define TIMER11_EN 0x0001
327 #define LPM_TIMER_MASK 0x0c
328 #define LPM_TIMER_500MS 0x04 /* 500 ms */
329 #define LPM_TIMER_500US 0x0c /* 500 us */
332 #define SEN_VAL_MASK 0xf800
333 #define SEN_VAL_NORMAL 0xa000
334 #define SEL_RXIDLE 0x0100
336 /* OCP_ALDPS_CONFIG */
337 #define ENPWRSAVE 0x8000
338 #define ENPDNPS 0x0200
339 #define LINKENA 0x0100
340 #define DIS_SDSAVE 0x0010
343 #define PHY_STAT_MASK 0x0007
344 #define PHY_STAT_LAN_ON 3
345 #define PHY_STAT_PWRDN 5
348 #define EEE_CLKDIV_EN 0x8000
349 #define EN_ALDPS 0x0004
350 #define EN_10M_PLLOFF 0x0001
352 /* OCP_EEE_CONFIG1 */
353 #define RG_TXLPI_MSK_HFDUP 0x8000
354 #define RG_MATCLR_EN 0x4000
355 #define EEE_10_CAP 0x2000
356 #define EEE_NWAY_EN 0x1000
357 #define TX_QUIET_EN 0x0200
358 #define RX_QUIET_EN 0x0100
359 #define SDRISETIME 0x0010 /* bit 4 ~ 6 */
360 #define RG_RXLPI_MSK_HFDUP 0x0008
361 #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */
363 /* OCP_EEE_CONFIG2 */
364 #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */
365 #define RG_DACQUIET_EN 0x0400
366 #define RG_LDVQUIET_EN 0x0200
367 #define RG_CKRSEL 0x0020
368 #define RG_EEEPRG_EN 0x0010
370 /* OCP_EEE_CONFIG3 */
371 #define FST_SNR_EYE_R 0x1500 /* bit 7 ~ 15 */
372 #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */
373 #define MSK_PH 0x0006 /* bit 0 ~ 3 */
376 /* bit[15:14] function */
377 #define FUN_ADDR 0x0000
378 #define FUN_DATA 0x4000
379 /* bit[4:0] device addr */
380 #define DEVICE_ADDR 0x0007
383 #define EEE_ADDR 0x003C
384 #define EEE_DATA 0x0002
387 #define CTAP_SHORT_EN 0x0040
388 #define EEE10_EN 0x0010
391 #define EN_10M_BGOFF 0x0080
394 #define MY1000_EEE 0x0004
395 #define MY100_EEE 0x0002
398 #define CKADSEL_L 0x0100
399 #define ADC_EN 0x0080
400 #define EN_EMI_L 0x0040
403 #define LPF_AUTO_TUNE 0x8000
406 #define GDAC_IB_UPALL 0x0008
409 #define AMP_DN 0x0200
412 #define RX_DRIVING_MASK 0x6000
414 enum rtl_register_content {
422 #define RTL8152_MAX_TX 10
423 #define RTL8152_MAX_RX 10
429 #define INTR_LINK 0x0004
431 #define RTL8152_REQT_READ 0xc0
432 #define RTL8152_REQT_WRITE 0x40
433 #define RTL8152_REQ_GET_REGS 0x05
434 #define RTL8152_REQ_SET_REGS 0x05
436 #define BYTE_EN_DWORD 0xff
437 #define BYTE_EN_WORD 0x33
438 #define BYTE_EN_BYTE 0x11
439 #define BYTE_EN_SIX_BYTES 0x3f
440 #define BYTE_EN_START_MASK 0x0f
441 #define BYTE_EN_END_MASK 0xf0
443 #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN)
444 #define RTL8152_TX_TIMEOUT (HZ)
457 /* Define these values to match your device */
458 #define VENDOR_ID_REALTEK 0x0bda
459 #define PRODUCT_ID_RTL8152 0x8152
460 #define PRODUCT_ID_RTL8153 0x8153
462 #define VENDOR_ID_SAMSUNG 0x04e8
463 #define PRODUCT_ID_SAMSUNG 0xa101
465 #define MCU_TYPE_PLA 0x0100
466 #define MCU_TYPE_USB 0x0000
468 #define REALTEK_USB_DEVICE(vend, prod) \
469 USB_DEVICE_INTERFACE_CLASS(vend, prod, USB_CLASS_VENDOR_SPEC)
471 struct tally_counter {
478 __le32 tx_one_collision;
479 __le32 tx_multi_collision;
489 #define RX_LEN_MASK 0x7fff
492 #define RD_UDP_CS (1 << 23)
493 #define RD_TCP_CS (1 << 22)
494 #define RD_IPV6_CS (1 << 20)
495 #define RD_IPV4_CS (1 << 19)
498 #define IPF (1 << 23) /* IP checksum fail */
499 #define UDPF (1 << 22) /* UDP checksum fail */
500 #define TCPF (1 << 21) /* TCP checksum fail */
509 #define TX_FS (1 << 31) /* First segment of a packet */
510 #define TX_LS (1 << 30) /* Final segment of a packet */
511 #define GTSENDV4 (1 << 28)
512 #define GTSENDV6 (1 << 27)
513 #define GTTCPHO_SHIFT 18
514 #define GTTCPHO_MAX 0x7fU
515 #define TX_LEN_MAX 0x3ffffU
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 */
523 #define MSS_MAX 0x7ffU
524 #define TCPHO_SHIFT 17
525 #define TCPHO_MAX 0x7ffU
531 struct list_head list;
533 struct r8152 *context;
539 struct list_head list;
541 struct r8152 *context;
550 struct usb_device *udev;
551 struct tasklet_struct tl;
552 struct usb_interface *intf;
553 struct net_device *netdev;
554 struct urb *intr_urb;
555 struct tx_agg tx_info[RTL8152_MAX_TX];
556 struct rx_agg rx_info[RTL8152_MAX_RX];
557 struct list_head rx_done, tx_free;
558 struct sk_buff_head tx_queue;
559 spinlock_t rx_lock, tx_lock;
560 struct delayed_work schedule;
561 struct mii_if_info mii;
564 void (*init)(struct r8152 *);
565 int (*enable)(struct r8152 *);
566 void (*disable)(struct r8152 *);
567 void (*up)(struct r8152 *);
568 void (*down)(struct r8152 *);
569 void (*unload)(struct r8152 *);
598 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
599 * The RTL chips use a 64 element hash table based on the Ethernet CRC.
601 static const int multicast_filter_limit = 32;
602 static unsigned int rx_buf_sz = 16384;
604 #define RTL_LIMITED_TSO_SIZE (rx_buf_sz - sizeof(struct tx_desc) - \
605 VLAN_ETH_HLEN - VLAN_HLEN)
608 int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
613 tmp = kmalloc(size, GFP_KERNEL);
617 ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
618 RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
619 value, index, tmp, size, 500);
621 memcpy(data, tmp, size);
628 int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
633 tmp = kmalloc(size, GFP_KERNEL);
637 memcpy(tmp, data, size);
639 ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
640 RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
641 value, index, tmp, size, 500);
648 static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
649 void *data, u16 type)
654 if (test_bit(RTL8152_UNPLUG, &tp->flags))
657 /* both size and indix must be 4 bytes align */
658 if ((size & 3) || !size || (index & 3) || !data)
661 if ((u32)index + (u32)size > 0xffff)
666 ret = get_registers(tp, index, type, limit, data);
674 ret = get_registers(tp, index, type, size, data);
688 static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
689 u16 size, void *data, u16 type)
692 u16 byteen_start, byteen_end, byen;
695 if (test_bit(RTL8152_UNPLUG, &tp->flags))
698 /* both size and indix must be 4 bytes align */
699 if ((size & 3) || !size || (index & 3) || !data)
702 if ((u32)index + (u32)size > 0xffff)
705 byteen_start = byteen & BYTE_EN_START_MASK;
706 byteen_end = byteen & BYTE_EN_END_MASK;
708 byen = byteen_start | (byteen_start << 4);
709 ret = set_registers(tp, index, type | byen, 4, data);
722 ret = set_registers(tp, index,
723 type | BYTE_EN_DWORD,
732 ret = set_registers(tp, index,
733 type | BYTE_EN_DWORD,
745 byen = byteen_end | (byteen_end >> 4);
746 ret = set_registers(tp, index, type | byen, 4, data);
756 int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
758 return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA);
762 int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
764 return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA);
768 int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
770 return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB);
774 int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
776 return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB);
779 static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
783 generic_ocp_read(tp, index, sizeof(data), &data, type);
785 return __le32_to_cpu(data);
788 static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
790 __le32 tmp = __cpu_to_le32(data);
792 generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
795 static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
799 u8 shift = index & 2;
803 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
805 data = __le32_to_cpu(tmp);
806 data >>= (shift * 8);
812 static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
816 u16 byen = BYTE_EN_WORD;
817 u8 shift = index & 2;
823 mask <<= (shift * 8);
824 data <<= (shift * 8);
828 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
830 data |= __le32_to_cpu(tmp) & ~mask;
831 tmp = __cpu_to_le32(data);
833 generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
836 static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
840 u8 shift = index & 3;
844 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
846 data = __le32_to_cpu(tmp);
847 data >>= (shift * 8);
853 static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
857 u16 byen = BYTE_EN_BYTE;
858 u8 shift = index & 3;
864 mask <<= (shift * 8);
865 data <<= (shift * 8);
869 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
871 data |= __le32_to_cpu(tmp) & ~mask;
872 tmp = __cpu_to_le32(data);
874 generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
877 static u16 ocp_reg_read(struct r8152 *tp, u16 addr)
879 u16 ocp_base, ocp_index;
881 ocp_base = addr & 0xf000;
882 if (ocp_base != tp->ocp_base) {
883 ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
884 tp->ocp_base = ocp_base;
887 ocp_index = (addr & 0x0fff) | 0xb000;
888 return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index);
891 static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data)
893 u16 ocp_base, ocp_index;
895 ocp_base = addr & 0xf000;
896 if (ocp_base != tp->ocp_base) {
897 ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
898 tp->ocp_base = ocp_base;
901 ocp_index = (addr & 0x0fff) | 0xb000;
902 ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data);
905 static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)
907 ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value);
910 static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr)
912 return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2);
915 static void sram_write(struct r8152 *tp, u16 addr, u16 data)
917 ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
918 ocp_reg_write(tp, OCP_SRAM_DATA, data);
921 static u16 sram_read(struct r8152 *tp, u16 addr)
923 ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
924 return ocp_reg_read(tp, OCP_SRAM_DATA);
927 static int read_mii_word(struct net_device *netdev, int phy_id, int reg)
929 struct r8152 *tp = netdev_priv(netdev);
932 if (test_bit(RTL8152_UNPLUG, &tp->flags))
935 if (phy_id != R8152_PHY_ID)
938 ret = usb_autopm_get_interface(tp->intf);
942 ret = r8152_mdio_read(tp, reg);
944 usb_autopm_put_interface(tp->intf);
951 void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val)
953 struct r8152 *tp = netdev_priv(netdev);
955 if (test_bit(RTL8152_UNPLUG, &tp->flags))
958 if (phy_id != R8152_PHY_ID)
961 if (usb_autopm_get_interface(tp->intf) < 0)
964 r8152_mdio_write(tp, reg, val);
966 usb_autopm_put_interface(tp->intf);
970 int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags);
972 static inline void set_ethernet_addr(struct r8152 *tp)
974 struct net_device *dev = tp->netdev;
978 if (tp->version == RTL_VER_01)
979 ret = pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id);
981 ret = pla_ocp_read(tp, PLA_BACKUP, sizeof(node_id), node_id);
984 netif_notice(tp, probe, dev, "inet addr fail\n");
986 if (tp->version != RTL_VER_01) {
987 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR,
989 pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES,
990 sizeof(node_id), node_id);
991 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR,
995 memcpy(dev->dev_addr, node_id, dev->addr_len);
996 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
1000 static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
1002 struct r8152 *tp = netdev_priv(netdev);
1003 struct sockaddr *addr = p;
1005 if (!is_valid_ether_addr(addr->sa_data))
1006 return -EADDRNOTAVAIL;
1008 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
1010 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
1011 pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data);
1012 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
1017 static void read_bulk_callback(struct urb *urb)
1019 struct net_device *netdev;
1020 int status = urb->status;
1033 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1036 if (!test_bit(WORK_ENABLE, &tp->flags))
1039 netdev = tp->netdev;
1041 /* When link down, the driver would cancel all bulks. */
1042 /* This avoid the re-submitting bulk */
1043 if (!netif_carrier_ok(netdev))
1046 usb_mark_last_busy(tp->udev);
1050 if (urb->actual_length < ETH_ZLEN)
1053 spin_lock(&tp->rx_lock);
1054 list_add_tail(&agg->list, &tp->rx_done);
1055 spin_unlock(&tp->rx_lock);
1056 tasklet_schedule(&tp->tl);
1059 set_bit(RTL8152_UNPLUG, &tp->flags);
1060 netif_device_detach(tp->netdev);
1063 return; /* the urb is in unlink state */
1065 if (net_ratelimit())
1066 netdev_warn(netdev, "maybe reset is needed?\n");
1069 if (net_ratelimit())
1070 netdev_warn(netdev, "Rx status %d\n", status);
1074 result = r8152_submit_rx(tp, agg, GFP_ATOMIC);
1075 if (result == -ENODEV) {
1076 netif_device_detach(tp->netdev);
1077 } else if (result) {
1078 spin_lock(&tp->rx_lock);
1079 list_add_tail(&agg->list, &tp->rx_done);
1080 spin_unlock(&tp->rx_lock);
1081 tasklet_schedule(&tp->tl);
1085 static void write_bulk_callback(struct urb *urb)
1087 struct net_device_stats *stats;
1088 struct net_device *netdev;
1091 int status = urb->status;
1101 netdev = tp->netdev;
1102 stats = &netdev->stats;
1104 if (net_ratelimit())
1105 netdev_warn(netdev, "Tx status %d\n", status);
1106 stats->tx_errors += agg->skb_num;
1108 stats->tx_packets += agg->skb_num;
1109 stats->tx_bytes += agg->skb_len;
1112 spin_lock(&tp->tx_lock);
1113 list_add_tail(&agg->list, &tp->tx_free);
1114 spin_unlock(&tp->tx_lock);
1116 usb_autopm_put_interface_async(tp->intf);
1118 if (!netif_carrier_ok(netdev))
1121 if (!test_bit(WORK_ENABLE, &tp->flags))
1124 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1127 if (!skb_queue_empty(&tp->tx_queue))
1128 tasklet_schedule(&tp->tl);
1131 static void intr_callback(struct urb *urb)
1135 int status = urb->status;
1142 if (!test_bit(WORK_ENABLE, &tp->flags))
1145 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1149 case 0: /* success */
1151 case -ECONNRESET: /* unlink */
1153 netif_device_detach(tp->netdev);
1157 netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n");
1159 /* -EPIPE: should clear the halt */
1161 netif_info(tp, intr, tp->netdev, "intr status %d\n", status);
1165 d = urb->transfer_buffer;
1166 if (INTR_LINK & __le16_to_cpu(d[0])) {
1167 if (!(tp->speed & LINK_STATUS)) {
1168 set_bit(RTL8152_LINK_CHG, &tp->flags);
1169 schedule_delayed_work(&tp->schedule, 0);
1172 if (tp->speed & LINK_STATUS) {
1173 set_bit(RTL8152_LINK_CHG, &tp->flags);
1174 schedule_delayed_work(&tp->schedule, 0);
1179 res = usb_submit_urb(urb, GFP_ATOMIC);
1181 netif_device_detach(tp->netdev);
1183 netif_err(tp, intr, tp->netdev,
1184 "can't resubmit intr, status %d\n", res);
1187 static inline void *rx_agg_align(void *data)
1189 return (void *)ALIGN((uintptr_t)data, RX_ALIGN);
1192 static inline void *tx_agg_align(void *data)
1194 return (void *)ALIGN((uintptr_t)data, TX_ALIGN);
1197 static void free_all_mem(struct r8152 *tp)
1201 for (i = 0; i < RTL8152_MAX_RX; i++) {
1202 usb_free_urb(tp->rx_info[i].urb);
1203 tp->rx_info[i].urb = NULL;
1205 kfree(tp->rx_info[i].buffer);
1206 tp->rx_info[i].buffer = NULL;
1207 tp->rx_info[i].head = NULL;
1210 for (i = 0; i < RTL8152_MAX_TX; i++) {
1211 usb_free_urb(tp->tx_info[i].urb);
1212 tp->tx_info[i].urb = NULL;
1214 kfree(tp->tx_info[i].buffer);
1215 tp->tx_info[i].buffer = NULL;
1216 tp->tx_info[i].head = NULL;
1219 usb_free_urb(tp->intr_urb);
1220 tp->intr_urb = NULL;
1222 kfree(tp->intr_buff);
1223 tp->intr_buff = NULL;
1226 static int alloc_all_mem(struct r8152 *tp)
1228 struct net_device *netdev = tp->netdev;
1229 struct usb_interface *intf = tp->intf;
1230 struct usb_host_interface *alt = intf->cur_altsetting;
1231 struct usb_host_endpoint *ep_intr = alt->endpoint + 2;
1236 node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1;
1238 spin_lock_init(&tp->rx_lock);
1239 spin_lock_init(&tp->tx_lock);
1240 INIT_LIST_HEAD(&tp->rx_done);
1241 INIT_LIST_HEAD(&tp->tx_free);
1242 skb_queue_head_init(&tp->tx_queue);
1244 for (i = 0; i < RTL8152_MAX_RX; i++) {
1245 buf = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
1249 if (buf != rx_agg_align(buf)) {
1251 buf = kmalloc_node(rx_buf_sz + RX_ALIGN, GFP_KERNEL,
1257 urb = usb_alloc_urb(0, GFP_KERNEL);
1263 INIT_LIST_HEAD(&tp->rx_info[i].list);
1264 tp->rx_info[i].context = tp;
1265 tp->rx_info[i].urb = urb;
1266 tp->rx_info[i].buffer = buf;
1267 tp->rx_info[i].head = rx_agg_align(buf);
1270 for (i = 0; i < RTL8152_MAX_TX; i++) {
1271 buf = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
1275 if (buf != tx_agg_align(buf)) {
1277 buf = kmalloc_node(rx_buf_sz + TX_ALIGN, GFP_KERNEL,
1283 urb = usb_alloc_urb(0, GFP_KERNEL);
1289 INIT_LIST_HEAD(&tp->tx_info[i].list);
1290 tp->tx_info[i].context = tp;
1291 tp->tx_info[i].urb = urb;
1292 tp->tx_info[i].buffer = buf;
1293 tp->tx_info[i].head = tx_agg_align(buf);
1295 list_add_tail(&tp->tx_info[i].list, &tp->tx_free);
1298 tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1302 tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
1306 tp->intr_interval = (int)ep_intr->desc.bInterval;
1307 usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3),
1308 tp->intr_buff, INTBUFSIZE, intr_callback,
1309 tp, tp->intr_interval);
1318 static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp)
1320 struct tx_agg *agg = NULL;
1321 unsigned long flags;
1323 if (list_empty(&tp->tx_free))
1326 spin_lock_irqsave(&tp->tx_lock, flags);
1327 if (!list_empty(&tp->tx_free)) {
1328 struct list_head *cursor;
1330 cursor = tp->tx_free.next;
1331 list_del_init(cursor);
1332 agg = list_entry(cursor, struct tx_agg, list);
1334 spin_unlock_irqrestore(&tp->tx_lock, flags);
1339 static inline __be16 get_protocol(struct sk_buff *skb)
1343 if (skb->protocol == htons(ETH_P_8021Q))
1344 protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
1346 protocol = skb->protocol;
1352 * r8152_csum_workaround()
1353 * The hw limites the value the transport offset. When the offset is out of the
1354 * range, calculate the checksum by sw.
1356 static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb,
1357 struct sk_buff_head *list)
1359 if (skb_shinfo(skb)->gso_size) {
1360 netdev_features_t features = tp->netdev->features;
1361 struct sk_buff_head seg_list;
1362 struct sk_buff *segs, *nskb;
1364 features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO);
1365 segs = skb_gso_segment(skb, features);
1366 if (IS_ERR(segs) || !segs)
1369 __skb_queue_head_init(&seg_list);
1375 __skb_queue_tail(&seg_list, nskb);
1378 skb_queue_splice(&seg_list, list);
1380 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1381 if (skb_checksum_help(skb) < 0)
1384 __skb_queue_head(list, skb);
1386 struct net_device_stats *stats;
1389 stats = &tp->netdev->stats;
1390 stats->tx_dropped++;
1396 * msdn_giant_send_check()
1397 * According to the document of microsoft, the TCP Pseudo Header excludes the
1398 * packet length for IPv6 TCP large packets.
1400 static int msdn_giant_send_check(struct sk_buff *skb)
1402 const struct ipv6hdr *ipv6h;
1406 ret = skb_cow_head(skb, 0);
1410 ipv6h = ipv6_hdr(skb);
1414 th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
1419 static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
1420 struct sk_buff *skb, u32 len, u32 transport_offset)
1422 u32 mss = skb_shinfo(skb)->gso_size;
1423 u32 opts1, opts2 = 0;
1424 int ret = TX_CSUM_SUCCESS;
1426 WARN_ON_ONCE(len > TX_LEN_MAX);
1428 opts1 = len | TX_FS | TX_LS;
1431 if (transport_offset > GTTCPHO_MAX) {
1432 netif_warn(tp, tx_err, tp->netdev,
1433 "Invalid transport offset 0x%x for TSO\n",
1439 switch (get_protocol(skb)) {
1440 case htons(ETH_P_IP):
1444 case htons(ETH_P_IPV6):
1445 if (msdn_giant_send_check(skb)) {
1457 opts1 |= transport_offset << GTTCPHO_SHIFT;
1458 opts2 |= min(mss, MSS_MAX) << MSS_SHIFT;
1459 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1462 if (transport_offset > TCPHO_MAX) {
1463 netif_warn(tp, tx_err, tp->netdev,
1464 "Invalid transport offset 0x%x\n",
1470 switch (get_protocol(skb)) {
1471 case htons(ETH_P_IP):
1473 ip_protocol = ip_hdr(skb)->protocol;
1476 case htons(ETH_P_IPV6):
1478 ip_protocol = ipv6_hdr(skb)->nexthdr;
1482 ip_protocol = IPPROTO_RAW;
1486 if (ip_protocol == IPPROTO_TCP)
1488 else if (ip_protocol == IPPROTO_UDP)
1493 opts2 |= transport_offset << TCPHO_SHIFT;
1496 desc->opts2 = cpu_to_le32(opts2);
1497 desc->opts1 = cpu_to_le32(opts1);
1503 static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
1505 struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
1509 __skb_queue_head_init(&skb_head);
1510 spin_lock(&tx_queue->lock);
1511 skb_queue_splice_init(tx_queue, &skb_head);
1512 spin_unlock(&tx_queue->lock);
1514 tx_data = agg->head;
1515 agg->skb_num = agg->skb_len = 0;
1518 while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) {
1519 struct tx_desc *tx_desc;
1520 struct sk_buff *skb;
1524 skb = __skb_dequeue(&skb_head);
1528 len = skb->len + sizeof(*tx_desc);
1531 __skb_queue_head(&skb_head, skb);
1535 tx_data = tx_agg_align(tx_data);
1536 tx_desc = (struct tx_desc *)tx_data;
1538 offset = (u32)skb_transport_offset(skb);
1540 if (r8152_tx_csum(tp, tx_desc, skb, skb->len, offset)) {
1541 r8152_csum_workaround(tp, skb, &skb_head);
1545 tx_data += sizeof(*tx_desc);
1548 if (skb_copy_bits(skb, 0, tx_data, len) < 0) {
1549 struct net_device_stats *stats = &tp->netdev->stats;
1551 stats->tx_dropped++;
1552 dev_kfree_skb_any(skb);
1553 tx_data -= sizeof(*tx_desc);
1558 agg->skb_len += len;
1561 dev_kfree_skb_any(skb);
1563 remain = rx_buf_sz - (int)(tx_agg_align(tx_data) - agg->head);
1566 if (!skb_queue_empty(&skb_head)) {
1567 spin_lock(&tx_queue->lock);
1568 skb_queue_splice(&skb_head, tx_queue);
1569 spin_unlock(&tx_queue->lock);
1572 netif_tx_lock(tp->netdev);
1574 if (netif_queue_stopped(tp->netdev) &&
1575 skb_queue_len(&tp->tx_queue) < tp->tx_qlen)
1576 netif_wake_queue(tp->netdev);
1578 netif_tx_unlock(tp->netdev);
1580 ret = usb_autopm_get_interface_async(tp->intf);
1584 usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2),
1585 agg->head, (int)(tx_data - (u8 *)agg->head),
1586 (usb_complete_t)write_bulk_callback, agg);
1588 ret = usb_submit_urb(agg->urb, GFP_ATOMIC);
1590 usb_autopm_put_interface_async(tp->intf);
1596 static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc)
1598 u8 checksum = CHECKSUM_NONE;
1601 if (tp->version == RTL_VER_01)
1604 opts2 = le32_to_cpu(rx_desc->opts2);
1605 opts3 = le32_to_cpu(rx_desc->opts3);
1607 if (opts2 & RD_IPV4_CS) {
1609 checksum = CHECKSUM_NONE;
1610 else if ((opts2 & RD_UDP_CS) && (opts3 & UDPF))
1611 checksum = CHECKSUM_NONE;
1612 else if ((opts2 & RD_TCP_CS) && (opts3 & TCPF))
1613 checksum = CHECKSUM_NONE;
1615 checksum = CHECKSUM_UNNECESSARY;
1616 } else if (RD_IPV6_CS) {
1617 if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF))
1618 checksum = CHECKSUM_UNNECESSARY;
1619 else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF))
1620 checksum = CHECKSUM_UNNECESSARY;
1627 static void rx_bottom(struct r8152 *tp)
1629 unsigned long flags;
1630 struct list_head *cursor, *next, rx_queue;
1632 if (list_empty(&tp->rx_done))
1635 INIT_LIST_HEAD(&rx_queue);
1636 spin_lock_irqsave(&tp->rx_lock, flags);
1637 list_splice_init(&tp->rx_done, &rx_queue);
1638 spin_unlock_irqrestore(&tp->rx_lock, flags);
1640 list_for_each_safe(cursor, next, &rx_queue) {
1641 struct rx_desc *rx_desc;
1648 list_del_init(cursor);
1650 agg = list_entry(cursor, struct rx_agg, list);
1652 if (urb->actual_length < ETH_ZLEN)
1655 rx_desc = agg->head;
1656 rx_data = agg->head;
1657 len_used += sizeof(struct rx_desc);
1659 while (urb->actual_length > len_used) {
1660 struct net_device *netdev = tp->netdev;
1661 struct net_device_stats *stats = &netdev->stats;
1662 unsigned int pkt_len;
1663 struct sk_buff *skb;
1665 pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
1666 if (pkt_len < ETH_ZLEN)
1669 len_used += pkt_len;
1670 if (urb->actual_length < len_used)
1673 pkt_len -= CRC_SIZE;
1674 rx_data += sizeof(struct rx_desc);
1676 skb = netdev_alloc_skb_ip_align(netdev, pkt_len);
1678 stats->rx_dropped++;
1682 skb->ip_summed = r8152_rx_csum(tp, rx_desc);
1683 memcpy(skb->data, rx_data, pkt_len);
1684 skb_put(skb, pkt_len);
1685 skb->protocol = eth_type_trans(skb, netdev);
1686 netif_receive_skb(skb);
1687 stats->rx_packets++;
1688 stats->rx_bytes += pkt_len;
1691 rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE);
1692 rx_desc = (struct rx_desc *)rx_data;
1693 len_used = (int)(rx_data - (u8 *)agg->head);
1694 len_used += sizeof(struct rx_desc);
1698 ret = r8152_submit_rx(tp, agg, GFP_ATOMIC);
1699 if (ret && ret != -ENODEV) {
1700 spin_lock_irqsave(&tp->rx_lock, flags);
1701 list_add_tail(&agg->list, &tp->rx_done);
1702 spin_unlock_irqrestore(&tp->rx_lock, flags);
1703 tasklet_schedule(&tp->tl);
1708 static void tx_bottom(struct r8152 *tp)
1715 if (skb_queue_empty(&tp->tx_queue))
1718 agg = r8152_get_tx_agg(tp);
1722 res = r8152_tx_agg_fill(tp, agg);
1724 struct net_device *netdev = tp->netdev;
1726 if (res == -ENODEV) {
1727 netif_device_detach(netdev);
1729 struct net_device_stats *stats = &netdev->stats;
1730 unsigned long flags;
1732 netif_warn(tp, tx_err, netdev,
1733 "failed tx_urb %d\n", res);
1734 stats->tx_dropped += agg->skb_num;
1736 spin_lock_irqsave(&tp->tx_lock, flags);
1737 list_add_tail(&agg->list, &tp->tx_free);
1738 spin_unlock_irqrestore(&tp->tx_lock, flags);
1744 static void bottom_half(unsigned long data)
1748 tp = (struct r8152 *)data;
1750 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1753 if (!test_bit(WORK_ENABLE, &tp->flags))
1756 /* When link down, the driver would cancel all bulks. */
1757 /* This avoid the re-submitting bulk */
1758 if (!netif_carrier_ok(tp->netdev))
1766 int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
1768 usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
1769 agg->head, rx_buf_sz,
1770 (usb_complete_t)read_bulk_callback, agg);
1772 return usb_submit_urb(agg->urb, mem_flags);
1775 static void rtl_drop_queued_tx(struct r8152 *tp)
1777 struct net_device_stats *stats = &tp->netdev->stats;
1778 struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
1779 struct sk_buff *skb;
1781 if (skb_queue_empty(tx_queue))
1784 __skb_queue_head_init(&skb_head);
1785 spin_lock_bh(&tx_queue->lock);
1786 skb_queue_splice_init(tx_queue, &skb_head);
1787 spin_unlock_bh(&tx_queue->lock);
1789 while ((skb = __skb_dequeue(&skb_head))) {
1791 stats->tx_dropped++;
1795 static void rtl8152_tx_timeout(struct net_device *netdev)
1797 struct r8152 *tp = netdev_priv(netdev);
1800 netif_warn(tp, tx_err, netdev, "Tx timeout\n");
1801 for (i = 0; i < RTL8152_MAX_TX; i++)
1802 usb_unlink_urb(tp->tx_info[i].urb);
1805 static void rtl8152_set_rx_mode(struct net_device *netdev)
1807 struct r8152 *tp = netdev_priv(netdev);
1809 if (tp->speed & LINK_STATUS) {
1810 set_bit(RTL8152_SET_RX_MODE, &tp->flags);
1811 schedule_delayed_work(&tp->schedule, 0);
1815 static void _rtl8152_set_rx_mode(struct net_device *netdev)
1817 struct r8152 *tp = netdev_priv(netdev);
1818 u32 mc_filter[2]; /* Multicast hash filter */
1822 clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
1823 netif_stop_queue(netdev);
1824 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
1825 ocp_data &= ~RCR_ACPT_ALL;
1826 ocp_data |= RCR_AB | RCR_APM;
1828 if (netdev->flags & IFF_PROMISC) {
1829 /* Unconditionally log net taps. */
1830 netif_notice(tp, link, netdev, "Promiscuous mode enabled\n");
1831 ocp_data |= RCR_AM | RCR_AAP;
1832 mc_filter[1] = mc_filter[0] = 0xffffffff;
1833 } else if ((netdev_mc_count(netdev) > multicast_filter_limit) ||
1834 (netdev->flags & IFF_ALLMULTI)) {
1835 /* Too many to filter perfectly -- accept all multicasts. */
1837 mc_filter[1] = mc_filter[0] = 0xffffffff;
1839 struct netdev_hw_addr *ha;
1841 mc_filter[1] = mc_filter[0] = 0;
1842 netdev_for_each_mc_addr(ha, netdev) {
1843 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
1844 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
1849 tmp[0] = __cpu_to_le32(swab32(mc_filter[1]));
1850 tmp[1] = __cpu_to_le32(swab32(mc_filter[0]));
1852 pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
1853 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
1854 netif_wake_queue(netdev);
1857 static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
1858 struct net_device *netdev)
1860 struct r8152 *tp = netdev_priv(netdev);
1862 skb_tx_timestamp(skb);
1864 skb_queue_tail(&tp->tx_queue, skb);
1866 if (!list_empty(&tp->tx_free)) {
1867 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
1868 set_bit(SCHEDULE_TASKLET, &tp->flags);
1869 schedule_delayed_work(&tp->schedule, 0);
1871 usb_mark_last_busy(tp->udev);
1872 tasklet_schedule(&tp->tl);
1874 } else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen)
1875 netif_stop_queue(netdev);
1877 return NETDEV_TX_OK;
1880 static void r8152b_reset_packet_filter(struct r8152 *tp)
1884 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC);
1885 ocp_data &= ~FMC_FCR_MCU_EN;
1886 ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
1887 ocp_data |= FMC_FCR_MCU_EN;
1888 ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
1891 static void rtl8152_nic_reset(struct r8152 *tp)
1895 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST);
1897 for (i = 0; i < 1000; i++) {
1898 if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST))
1904 static void set_tx_qlen(struct r8152 *tp)
1906 struct net_device *netdev = tp->netdev;
1908 tp->tx_qlen = rx_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + VLAN_HLEN +
1909 sizeof(struct tx_desc));
1912 static inline u8 rtl8152_get_speed(struct r8152 *tp)
1914 return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS);
1917 static void rtl_set_eee_plus(struct r8152 *tp)
1922 speed = rtl8152_get_speed(tp);
1923 if (speed & _10bps) {
1924 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
1925 ocp_data |= EEEP_CR_EEEP_TX;
1926 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
1928 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
1929 ocp_data &= ~EEEP_CR_EEEP_TX;
1930 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
1934 static void rxdy_gated_en(struct r8152 *tp, bool enable)
1938 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1);
1940 ocp_data |= RXDY_GATED_EN;
1942 ocp_data &= ~RXDY_GATED_EN;
1943 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data);
1946 static int rtl_enable(struct r8152 *tp)
1951 r8152b_reset_packet_filter(tp);
1953 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
1954 ocp_data |= CR_RE | CR_TE;
1955 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
1957 rxdy_gated_en(tp, false);
1959 INIT_LIST_HEAD(&tp->rx_done);
1961 for (i = 0; i < RTL8152_MAX_RX; i++) {
1962 INIT_LIST_HEAD(&tp->rx_info[i].list);
1963 ret |= r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL);
1969 static int rtl8152_enable(struct r8152 *tp)
1971 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1975 rtl_set_eee_plus(tp);
1977 return rtl_enable(tp);
1980 static void r8153_set_rx_agg(struct r8152 *tp)
1984 speed = rtl8152_get_speed(tp);
1985 if (speed & _1000bps) {
1986 if (tp->udev->speed == USB_SPEED_SUPER) {
1987 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH,
1989 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
1992 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH,
1994 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
1998 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_SLOW);
1999 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
2004 static int rtl8153_enable(struct r8152 *tp)
2006 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2010 rtl_set_eee_plus(tp);
2011 r8153_set_rx_agg(tp);
2013 return rtl_enable(tp);
2016 static void rtl8152_disable(struct r8152 *tp)
2021 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2022 rtl_drop_queued_tx(tp);
2026 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2027 ocp_data &= ~RCR_ACPT_ALL;
2028 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2030 rtl_drop_queued_tx(tp);
2032 for (i = 0; i < RTL8152_MAX_TX; i++)
2033 usb_kill_urb(tp->tx_info[i].urb);
2035 rxdy_gated_en(tp, true);
2037 for (i = 0; i < 1000; i++) {
2038 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2039 if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
2044 for (i = 0; i < 1000; i++) {
2045 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
2050 for (i = 0; i < RTL8152_MAX_RX; i++)
2051 usb_kill_urb(tp->rx_info[i].urb);
2053 rtl8152_nic_reset(tp);
2056 static void r8152_power_cut_en(struct r8152 *tp, bool enable)
2060 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL);
2062 ocp_data |= POWER_CUT;
2064 ocp_data &= ~POWER_CUT;
2065 ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data);
2067 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS);
2068 ocp_data &= ~RESUME_INDICATE;
2069 ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data);
2072 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
2074 static u32 __rtl_get_wol(struct r8152 *tp)
2079 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2080 if (!(ocp_data & LAN_WAKE_EN))
2083 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2084 if (ocp_data & LINK_ON_WAKE_EN)
2085 wolopts |= WAKE_PHY;
2087 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2088 if (ocp_data & UWF_EN)
2089 wolopts |= WAKE_UCAST;
2090 if (ocp_data & BWF_EN)
2091 wolopts |= WAKE_BCAST;
2092 if (ocp_data & MWF_EN)
2093 wolopts |= WAKE_MCAST;
2095 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
2096 if (ocp_data & MAGIC_EN)
2097 wolopts |= WAKE_MAGIC;
2102 static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
2106 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
2108 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2109 ocp_data &= ~LINK_ON_WAKE_EN;
2110 if (wolopts & WAKE_PHY)
2111 ocp_data |= LINK_ON_WAKE_EN;
2112 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
2114 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2115 ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN);
2116 if (wolopts & WAKE_UCAST)
2118 if (wolopts & WAKE_BCAST)
2120 if (wolopts & WAKE_MCAST)
2122 if (wolopts & WAKE_ANY)
2123 ocp_data |= LAN_WAKE_EN;
2124 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
2126 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2128 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
2129 ocp_data &= ~MAGIC_EN;
2130 if (wolopts & WAKE_MAGIC)
2131 ocp_data |= MAGIC_EN;
2132 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);
2134 if (wolopts & WAKE_ANY)
2135 device_set_wakeup_enable(&tp->udev->dev, true);
2137 device_set_wakeup_enable(&tp->udev->dev, false);
2140 static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
2145 __rtl_set_wol(tp, WAKE_ANY);
2147 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
2149 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2150 ocp_data |= LINK_OFF_WAKE_EN;
2151 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
2153 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2155 __rtl_set_wol(tp, tp->saved_wolopts);
2159 static void rtl_phy_reset(struct r8152 *tp)
2164 clear_bit(PHY_RESET, &tp->flags);
2166 data = r8152_mdio_read(tp, MII_BMCR);
2168 /* don't reset again before the previous one complete */
2169 if (data & BMCR_RESET)
2173 r8152_mdio_write(tp, MII_BMCR, data);
2175 for (i = 0; i < 50; i++) {
2177 if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
2182 static void rtl_clear_bp(struct r8152 *tp)
2184 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_0, 0);
2185 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_2, 0);
2186 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_4, 0);
2187 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_6, 0);
2188 ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_0, 0);
2189 ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_2, 0);
2190 ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_4, 0);
2191 ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_6, 0);
2193 ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_BA, 0);
2194 ocp_write_word(tp, MCU_TYPE_USB, USB_BP_BA, 0);
2197 static void r8153_clear_bp(struct r8152 *tp)
2199 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_BP_EN, 0);
2200 ocp_write_byte(tp, MCU_TYPE_USB, USB_BP_EN, 0);
2204 static void r8153_teredo_off(struct r8152 *tp)
2208 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
2209 ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK | OOB_TEREDO_EN);
2210 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
2212 ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE);
2213 ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0);
2214 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
2217 static void r8152b_disable_aldps(struct r8152 *tp)
2219 ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE);
2223 static inline void r8152b_enable_aldps(struct r8152 *tp)
2225 ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
2226 LINKENA | DIS_SDSAVE);
2229 static void r8152b_hw_phy_cfg(struct r8152 *tp)
2233 data = r8152_mdio_read(tp, MII_BMCR);
2234 if (data & BMCR_PDOWN) {
2235 data &= ~BMCR_PDOWN;
2236 r8152_mdio_write(tp, MII_BMCR, data);
2239 r8152b_disable_aldps(tp);
2243 r8152b_enable_aldps(tp);
2244 set_bit(PHY_RESET, &tp->flags);
2247 static void r8152b_exit_oob(struct r8152 *tp)
2252 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2255 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2256 ocp_data &= ~RCR_ACPT_ALL;
2257 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2259 rxdy_gated_en(tp, true);
2260 r8153_teredo_off(tp);
2261 r8152b_hw_phy_cfg(tp);
2263 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2264 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00);
2266 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2267 ocp_data &= ~NOW_IS_OOB;
2268 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2270 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2271 ocp_data &= ~MCU_BORW_EN;
2272 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2274 for (i = 0; i < 1000; i++) {
2275 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2276 if (ocp_data & LINK_LIST_READY)
2281 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2282 ocp_data |= RE_INIT_LL;
2283 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2285 for (i = 0; i < 1000; i++) {
2286 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2287 if (ocp_data & LINK_LIST_READY)
2292 rtl8152_nic_reset(tp);
2294 /* rx share fifo credit full threshold */
2295 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
2297 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_DEV_STAT);
2298 ocp_data &= STAT_SPEED_MASK;
2299 if (ocp_data == STAT_SPEED_FULL) {
2300 /* rx share fifo credit near full threshold */
2301 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
2303 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
2306 /* rx share fifo credit near full threshold */
2307 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
2309 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
2313 /* TX share fifo free credit full threshold */
2314 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL);
2316 ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD);
2317 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH);
2318 ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA,
2319 TEST_MODE_DISABLE | TX_SIZE_ADJUST1);
2321 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
2322 ocp_data &= ~CPCR_RX_VLAN;
2323 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
2325 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2327 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
2328 ocp_data |= TCR0_AUTO_FIFO;
2329 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
2332 static void r8152b_enter_oob(struct r8152 *tp)
2337 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2338 ocp_data &= ~NOW_IS_OOB;
2339 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2341 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
2342 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
2343 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
2345 rtl8152_disable(tp);
2347 for (i = 0; i < 1000; i++) {
2348 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2349 if (ocp_data & LINK_LIST_READY)
2354 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2355 ocp_data |= RE_INIT_LL;
2356 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2358 for (i = 0; i < 1000; i++) {
2359 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2360 if (ocp_data & LINK_LIST_READY)
2365 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2367 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
2368 ocp_data |= CPCR_RX_VLAN;
2369 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
2371 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
2372 ocp_data |= ALDPS_PROXY_MODE;
2373 ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
2375 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2376 ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
2377 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2379 rxdy_gated_en(tp, false);
2381 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2382 ocp_data |= RCR_APM | RCR_AM | RCR_AB;
2383 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2386 static void r8153_hw_phy_cfg(struct r8152 *tp)
2391 ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
2392 data = r8152_mdio_read(tp, MII_BMCR);
2393 if (data & BMCR_PDOWN) {
2394 data &= ~BMCR_PDOWN;
2395 r8152_mdio_write(tp, MII_BMCR, data);
2400 if (tp->version == RTL_VER_03) {
2401 data = ocp_reg_read(tp, OCP_EEE_CFG);
2402 data &= ~CTAP_SHORT_EN;
2403 ocp_reg_write(tp, OCP_EEE_CFG, data);
2406 data = ocp_reg_read(tp, OCP_POWER_CFG);
2407 data |= EEE_CLKDIV_EN;
2408 ocp_reg_write(tp, OCP_POWER_CFG, data);
2410 data = ocp_reg_read(tp, OCP_DOWN_SPEED);
2411 data |= EN_10M_BGOFF;
2412 ocp_reg_write(tp, OCP_DOWN_SPEED, data);
2413 data = ocp_reg_read(tp, OCP_POWER_CFG);
2414 data |= EN_10M_PLLOFF;
2415 ocp_reg_write(tp, OCP_POWER_CFG, data);
2416 data = sram_read(tp, SRAM_IMPEDANCE);
2417 data &= ~RX_DRIVING_MASK;
2418 sram_write(tp, SRAM_IMPEDANCE, data);
2420 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
2421 ocp_data |= PFM_PWM_SWITCH;
2422 ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
2424 data = sram_read(tp, SRAM_LPF_CFG);
2425 data |= LPF_AUTO_TUNE;
2426 sram_write(tp, SRAM_LPF_CFG, data);
2428 data = sram_read(tp, SRAM_10M_AMP1);
2429 data |= GDAC_IB_UPALL;
2430 sram_write(tp, SRAM_10M_AMP1, data);
2431 data = sram_read(tp, SRAM_10M_AMP2);
2433 sram_write(tp, SRAM_10M_AMP2, data);
2435 set_bit(PHY_RESET, &tp->flags);
2438 static void r8153_u1u2en(struct r8152 *tp, bool enable)
2443 memset(u1u2, 0xff, sizeof(u1u2));
2445 memset(u1u2, 0x00, sizeof(u1u2));
2447 usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
2450 static void r8153_u2p3en(struct r8152 *tp, bool enable)
2454 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
2456 ocp_data |= U2P3_ENABLE;
2458 ocp_data &= ~U2P3_ENABLE;
2459 ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
2462 static void r8153_power_cut_en(struct r8152 *tp, bool enable)
2466 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
2468 ocp_data |= PWR_EN | PHASE2_EN;
2470 ocp_data &= ~(PWR_EN | PHASE2_EN);
2471 ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
2473 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
2474 ocp_data &= ~PCUT_STATUS;
2475 ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
2478 static void r8153_first_init(struct r8152 *tp)
2483 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2486 rxdy_gated_en(tp, true);
2487 r8153_teredo_off(tp);
2489 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2490 ocp_data &= ~RCR_ACPT_ALL;
2491 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2493 r8153_hw_phy_cfg(tp);
2495 rtl8152_nic_reset(tp);
2497 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2498 ocp_data &= ~NOW_IS_OOB;
2499 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2501 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2502 ocp_data &= ~MCU_BORW_EN;
2503 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2505 for (i = 0; i < 1000; i++) {
2506 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2507 if (ocp_data & LINK_LIST_READY)
2512 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2513 ocp_data |= RE_INIT_LL;
2514 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2516 for (i = 0; i < 1000; i++) {
2517 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2518 if (ocp_data & LINK_LIST_READY)
2523 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
2524 ocp_data &= ~CPCR_RX_VLAN;
2525 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
2527 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2529 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
2530 ocp_data |= TCR0_AUTO_FIFO;
2531 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
2533 rtl8152_nic_reset(tp);
2535 /* rx share fifo credit full threshold */
2536 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
2537 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
2538 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
2539 /* TX share fifo free credit full threshold */
2540 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
2542 /* rx aggregation */
2543 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
2544 ocp_data &= ~RX_AGG_DISABLE;
2545 ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
2548 static void r8153_enter_oob(struct r8152 *tp)
2553 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2554 ocp_data &= ~NOW_IS_OOB;
2555 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2557 rtl8152_disable(tp);
2559 for (i = 0; i < 1000; i++) {
2560 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2561 if (ocp_data & LINK_LIST_READY)
2566 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2567 ocp_data |= RE_INIT_LL;
2568 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2570 for (i = 0; i < 1000; i++) {
2571 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2572 if (ocp_data & LINK_LIST_READY)
2577 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2579 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
2580 ocp_data &= ~TEREDO_WAKE_MASK;
2581 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
2583 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
2584 ocp_data |= CPCR_RX_VLAN;
2585 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
2587 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
2588 ocp_data |= ALDPS_PROXY_MODE;
2589 ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
2591 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2592 ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
2593 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2595 rxdy_gated_en(tp, false);
2597 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2598 ocp_data |= RCR_APM | RCR_AM | RCR_AB;
2599 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2602 static void r8153_disable_aldps(struct r8152 *tp)
2606 data = ocp_reg_read(tp, OCP_POWER_CFG);
2608 ocp_reg_write(tp, OCP_POWER_CFG, data);
2612 static void r8153_enable_aldps(struct r8152 *tp)
2616 data = ocp_reg_read(tp, OCP_POWER_CFG);
2618 ocp_reg_write(tp, OCP_POWER_CFG, data);
2621 static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
2623 u16 bmcr, anar, gbcr;
2626 cancel_delayed_work_sync(&tp->schedule);
2627 anar = r8152_mdio_read(tp, MII_ADVERTISE);
2628 anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
2629 ADVERTISE_100HALF | ADVERTISE_100FULL);
2630 if (tp->mii.supports_gmii) {
2631 gbcr = r8152_mdio_read(tp, MII_CTRL1000);
2632 gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
2637 if (autoneg == AUTONEG_DISABLE) {
2638 if (speed == SPEED_10) {
2640 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2641 } else if (speed == SPEED_100) {
2642 bmcr = BMCR_SPEED100;
2643 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2644 } else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
2645 bmcr = BMCR_SPEED1000;
2646 gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
2652 if (duplex == DUPLEX_FULL)
2653 bmcr |= BMCR_FULLDPLX;
2655 if (speed == SPEED_10) {
2656 if (duplex == DUPLEX_FULL)
2657 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2659 anar |= ADVERTISE_10HALF;
2660 } else if (speed == SPEED_100) {
2661 if (duplex == DUPLEX_FULL) {
2662 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2663 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2665 anar |= ADVERTISE_10HALF;
2666 anar |= ADVERTISE_100HALF;
2668 } else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
2669 if (duplex == DUPLEX_FULL) {
2670 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2671 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2672 gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
2674 anar |= ADVERTISE_10HALF;
2675 anar |= ADVERTISE_100HALF;
2676 gbcr |= ADVERTISE_1000HALF;
2683 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
2686 if (test_bit(PHY_RESET, &tp->flags))
2689 if (tp->mii.supports_gmii)
2690 r8152_mdio_write(tp, MII_CTRL1000, gbcr);
2692 r8152_mdio_write(tp, MII_ADVERTISE, anar);
2693 r8152_mdio_write(tp, MII_BMCR, bmcr);
2695 if (test_bit(PHY_RESET, &tp->flags)) {
2698 clear_bit(PHY_RESET, &tp->flags);
2699 for (i = 0; i < 50; i++) {
2701 if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
2711 static void rtl8152_down(struct r8152 *tp)
2713 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2714 rtl_drop_queued_tx(tp);
2718 r8152_power_cut_en(tp, false);
2719 r8152b_disable_aldps(tp);
2720 r8152b_enter_oob(tp);
2721 r8152b_enable_aldps(tp);
2724 static void rtl8153_down(struct r8152 *tp)
2726 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2727 rtl_drop_queued_tx(tp);
2731 r8153_u1u2en(tp, false);
2732 r8153_power_cut_en(tp, false);
2733 r8153_disable_aldps(tp);
2734 r8153_enter_oob(tp);
2735 r8153_enable_aldps(tp);
2738 static void set_carrier(struct r8152 *tp)
2740 struct net_device *netdev = tp->netdev;
2743 clear_bit(RTL8152_LINK_CHG, &tp->flags);
2744 speed = rtl8152_get_speed(tp);
2746 if (speed & LINK_STATUS) {
2747 if (!(tp->speed & LINK_STATUS)) {
2748 tp->rtl_ops.enable(tp);
2749 set_bit(RTL8152_SET_RX_MODE, &tp->flags);
2750 netif_carrier_on(netdev);
2753 if (tp->speed & LINK_STATUS) {
2754 netif_carrier_off(netdev);
2755 tasklet_disable(&tp->tl);
2756 tp->rtl_ops.disable(tp);
2757 tasklet_enable(&tp->tl);
2763 static void rtl_work_func_t(struct work_struct *work)
2765 struct r8152 *tp = container_of(work, struct r8152, schedule.work);
2767 if (usb_autopm_get_interface(tp->intf) < 0)
2770 if (!test_bit(WORK_ENABLE, &tp->flags))
2773 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2776 if (test_bit(RTL8152_LINK_CHG, &tp->flags))
2779 if (test_bit(RTL8152_SET_RX_MODE, &tp->flags))
2780 _rtl8152_set_rx_mode(tp->netdev);
2782 if (test_bit(SCHEDULE_TASKLET, &tp->flags) &&
2783 (tp->speed & LINK_STATUS)) {
2784 clear_bit(SCHEDULE_TASKLET, &tp->flags);
2785 tasklet_schedule(&tp->tl);
2788 if (test_bit(PHY_RESET, &tp->flags))
2792 usb_autopm_put_interface(tp->intf);
2795 static int rtl8152_open(struct net_device *netdev)
2797 struct r8152 *tp = netdev_priv(netdev);
2800 res = alloc_all_mem(tp);
2804 res = usb_autopm_get_interface(tp->intf);
2810 /* The WORK_ENABLE may be set when autoresume occurs */
2811 if (test_bit(WORK_ENABLE, &tp->flags)) {
2812 clear_bit(WORK_ENABLE, &tp->flags);
2813 usb_kill_urb(tp->intr_urb);
2814 cancel_delayed_work_sync(&tp->schedule);
2815 if (tp->speed & LINK_STATUS)
2816 tp->rtl_ops.disable(tp);
2821 rtl8152_set_speed(tp, AUTONEG_ENABLE,
2822 tp->mii.supports_gmii ? SPEED_1000 : SPEED_100,
2825 netif_carrier_off(netdev);
2826 netif_start_queue(netdev);
2827 set_bit(WORK_ENABLE, &tp->flags);
2829 res = usb_submit_urb(tp->intr_urb, GFP_KERNEL);
2832 netif_device_detach(tp->netdev);
2833 netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n",
2838 usb_autopm_put_interface(tp->intf);
2844 static int rtl8152_close(struct net_device *netdev)
2846 struct r8152 *tp = netdev_priv(netdev);
2849 clear_bit(WORK_ENABLE, &tp->flags);
2850 usb_kill_urb(tp->intr_urb);
2851 cancel_delayed_work_sync(&tp->schedule);
2852 netif_stop_queue(netdev);
2854 res = usb_autopm_get_interface(tp->intf);
2856 rtl_drop_queued_tx(tp);
2859 * The autosuspend may have been enabled and wouldn't
2860 * be disable when autoresume occurs, because the
2861 * netif_running() would be false.
2863 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
2864 rtl_runtime_suspend_enable(tp, false);
2865 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
2868 tasklet_disable(&tp->tl);
2869 tp->rtl_ops.down(tp);
2870 tasklet_enable(&tp->tl);
2871 usb_autopm_put_interface(tp->intf);
2879 static void r8152b_enable_eee(struct r8152 *tp)
2883 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
2884 ocp_data |= EEE_RX_EN | EEE_TX_EN;
2885 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
2886 ocp_reg_write(tp, OCP_EEE_CONFIG1, RG_TXLPI_MSK_HFDUP | RG_MATCLR_EN |
2887 EEE_10_CAP | EEE_NWAY_EN |
2888 TX_QUIET_EN | RX_QUIET_EN |
2889 SDRISETIME | RG_RXLPI_MSK_HFDUP |
2891 ocp_reg_write(tp, OCP_EEE_CONFIG2, RG_LPIHYS_NUM | RG_DACQUIET_EN |
2892 RG_LDVQUIET_EN | RG_CKRSEL |
2894 ocp_reg_write(tp, OCP_EEE_CONFIG3, FST_SNR_EYE_R | RG_LFS_SEL | MSK_PH);
2895 ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | DEVICE_ADDR);
2896 ocp_reg_write(tp, OCP_EEE_DATA, EEE_ADDR);
2897 ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | DEVICE_ADDR);
2898 ocp_reg_write(tp, OCP_EEE_DATA, EEE_DATA);
2899 ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
2902 static void r8153_enable_eee(struct r8152 *tp)
2907 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
2908 ocp_data |= EEE_RX_EN | EEE_TX_EN;
2909 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
2910 data = ocp_reg_read(tp, OCP_EEE_CFG);
2912 ocp_reg_write(tp, OCP_EEE_CFG, data);
2913 data = ocp_reg_read(tp, OCP_EEE_CFG2);
2914 data |= MY1000_EEE | MY100_EEE;
2915 ocp_reg_write(tp, OCP_EEE_CFG2, data);
2918 static void r8152b_enable_fc(struct r8152 *tp)
2922 anar = r8152_mdio_read(tp, MII_ADVERTISE);
2923 anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
2924 r8152_mdio_write(tp, MII_ADVERTISE, anar);
2927 static void rtl_tally_reset(struct r8152 *tp)
2931 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY);
2932 ocp_data |= TALLY_RESET;
2933 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
2936 static void r8152b_init(struct r8152 *tp)
2940 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2943 if (tp->version == RTL_VER_01) {
2944 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
2945 ocp_data &= ~LED_MODE_MASK;
2946 ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
2949 r8152_power_cut_en(tp, false);
2951 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
2952 ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH;
2953 ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
2954 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL);
2955 ocp_data &= ~MCU_CLK_RATIO_MASK;
2956 ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN;
2957 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data);
2958 ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK |
2959 SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK;
2960 ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
2962 r8152b_enable_eee(tp);
2963 r8152b_enable_aldps(tp);
2964 r8152b_enable_fc(tp);
2965 rtl_tally_reset(tp);
2967 /* enable rx aggregation */
2968 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
2969 ocp_data &= ~RX_AGG_DISABLE;
2970 ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
2973 static void r8153_init(struct r8152 *tp)
2978 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2981 r8153_u1u2en(tp, false);
2983 for (i = 0; i < 500; i++) {
2984 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
2990 for (i = 0; i < 500; i++) {
2991 ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
2992 if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN)
2997 r8153_u2p3en(tp, false);
2999 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
3000 ocp_data &= ~TIMER11_EN;
3001 ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
3003 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
3004 ocp_data &= ~LED_MODE_MASK;
3005 ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
3007 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL);
3008 ocp_data &= ~LPM_TIMER_MASK;
3009 if (tp->udev->speed == USB_SPEED_SUPER)
3010 ocp_data |= LPM_TIMER_500US;
3012 ocp_data |= LPM_TIMER_500MS;
3013 ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
3015 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
3016 ocp_data &= ~SEN_VAL_MASK;
3017 ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
3018 ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
3020 r8153_power_cut_en(tp, false);
3021 r8153_u1u2en(tp, true);
3023 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ALDPS_SPDWN_RATIO);
3024 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, EEE_SPDWN_RATIO);
3025 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3,
3026 PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN |
3027 U1U2_SPDWN_EN | L1_SPDWN_EN);
3028 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4,
3029 PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN |
3030 TP100_SPDWN_EN | TP500_SPDWN_EN | TP1000_SPDWN_EN |
3033 r8153_enable_eee(tp);
3034 r8153_enable_aldps(tp);
3035 r8152b_enable_fc(tp);
3036 rtl_tally_reset(tp);
3039 static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
3041 struct r8152 *tp = usb_get_intfdata(intf);
3043 if (PMSG_IS_AUTO(message))
3044 set_bit(SELECTIVE_SUSPEND, &tp->flags);
3046 netif_device_detach(tp->netdev);
3048 if (netif_running(tp->netdev)) {
3049 clear_bit(WORK_ENABLE, &tp->flags);
3050 usb_kill_urb(tp->intr_urb);
3051 cancel_delayed_work_sync(&tp->schedule);
3052 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3053 rtl_runtime_suspend_enable(tp, true);
3055 tasklet_disable(&tp->tl);
3056 tp->rtl_ops.down(tp);
3057 tasklet_enable(&tp->tl);
3064 static int rtl8152_resume(struct usb_interface *intf)
3066 struct r8152 *tp = usb_get_intfdata(intf);
3068 if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3069 tp->rtl_ops.init(tp);
3070 netif_device_attach(tp->netdev);
3073 if (netif_running(tp->netdev)) {
3074 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3075 rtl_runtime_suspend_enable(tp, false);
3076 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
3077 if (tp->speed & LINK_STATUS)
3078 tp->rtl_ops.disable(tp);
3081 rtl8152_set_speed(tp, AUTONEG_ENABLE,
3082 tp->mii.supports_gmii ? SPEED_1000 : SPEED_100,
3086 netif_carrier_off(tp->netdev);
3087 set_bit(WORK_ENABLE, &tp->flags);
3088 usb_submit_urb(tp->intr_urb, GFP_KERNEL);
3094 static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
3096 struct r8152 *tp = netdev_priv(dev);
3098 if (usb_autopm_get_interface(tp->intf) < 0)
3101 wol->supported = WAKE_ANY;
3102 wol->wolopts = __rtl_get_wol(tp);
3104 usb_autopm_put_interface(tp->intf);
3107 static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
3109 struct r8152 *tp = netdev_priv(dev);
3112 ret = usb_autopm_get_interface(tp->intf);
3116 __rtl_set_wol(tp, wol->wolopts);
3117 tp->saved_wolopts = wol->wolopts & WAKE_ANY;
3119 usb_autopm_put_interface(tp->intf);
3125 static u32 rtl8152_get_msglevel(struct net_device *dev)
3127 struct r8152 *tp = netdev_priv(dev);
3129 return tp->msg_enable;
3132 static void rtl8152_set_msglevel(struct net_device *dev, u32 value)
3134 struct r8152 *tp = netdev_priv(dev);
3136 tp->msg_enable = value;
3139 static void rtl8152_get_drvinfo(struct net_device *netdev,
3140 struct ethtool_drvinfo *info)
3142 struct r8152 *tp = netdev_priv(netdev);
3144 strncpy(info->driver, MODULENAME, ETHTOOL_BUSINFO_LEN);
3145 strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN);
3146 usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info));
3150 int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
3152 struct r8152 *tp = netdev_priv(netdev);
3154 if (!tp->mii.mdio_read)
3157 return mii_ethtool_gset(&tp->mii, cmd);
3160 static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
3162 struct r8152 *tp = netdev_priv(dev);
3165 ret = usb_autopm_get_interface(tp->intf);
3169 ret = rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex);
3171 usb_autopm_put_interface(tp->intf);
3177 static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = {
3184 "tx_single_collisions",
3185 "tx_multi_collisions",
3193 static int rtl8152_get_sset_count(struct net_device *dev, int sset)
3197 return ARRAY_SIZE(rtl8152_gstrings);
3203 static void rtl8152_get_ethtool_stats(struct net_device *dev,
3204 struct ethtool_stats *stats, u64 *data)
3206 struct r8152 *tp = netdev_priv(dev);
3207 struct tally_counter tally;
3209 generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
3211 data[0] = le64_to_cpu(tally.tx_packets);
3212 data[1] = le64_to_cpu(tally.rx_packets);
3213 data[2] = le64_to_cpu(tally.tx_errors);
3214 data[3] = le32_to_cpu(tally.rx_errors);
3215 data[4] = le16_to_cpu(tally.rx_missed);
3216 data[5] = le16_to_cpu(tally.align_errors);
3217 data[6] = le32_to_cpu(tally.tx_one_collision);
3218 data[7] = le32_to_cpu(tally.tx_multi_collision);
3219 data[8] = le64_to_cpu(tally.rx_unicast);
3220 data[9] = le64_to_cpu(tally.rx_broadcast);
3221 data[10] = le32_to_cpu(tally.rx_multicast);
3222 data[11] = le16_to_cpu(tally.tx_aborted);
3223 data[12] = le16_to_cpu(tally.tx_underun);
3226 static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
3228 switch (stringset) {
3230 memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings));
3235 static struct ethtool_ops ops = {
3236 .get_drvinfo = rtl8152_get_drvinfo,
3237 .get_settings = rtl8152_get_settings,
3238 .set_settings = rtl8152_set_settings,
3239 .get_link = ethtool_op_get_link,
3240 .get_msglevel = rtl8152_get_msglevel,
3241 .set_msglevel = rtl8152_set_msglevel,
3242 .get_wol = rtl8152_get_wol,
3243 .set_wol = rtl8152_set_wol,
3244 .get_strings = rtl8152_get_strings,
3245 .get_sset_count = rtl8152_get_sset_count,
3246 .get_ethtool_stats = rtl8152_get_ethtool_stats,
3249 static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
3251 struct r8152 *tp = netdev_priv(netdev);
3252 struct mii_ioctl_data *data = if_mii(rq);
3255 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3258 res = usb_autopm_get_interface(tp->intf);
3264 data->phy_id = R8152_PHY_ID; /* Internal PHY */
3268 data->val_out = r8152_mdio_read(tp, data->reg_num);
3272 if (!capable(CAP_NET_ADMIN)) {
3276 r8152_mdio_write(tp, data->reg_num, data->val_in);
3283 usb_autopm_put_interface(tp->intf);
3289 static const struct net_device_ops rtl8152_netdev_ops = {
3290 .ndo_open = rtl8152_open,
3291 .ndo_stop = rtl8152_close,
3292 .ndo_do_ioctl = rtl8152_ioctl,
3293 .ndo_start_xmit = rtl8152_start_xmit,
3294 .ndo_tx_timeout = rtl8152_tx_timeout,
3295 .ndo_set_rx_mode = rtl8152_set_rx_mode,
3296 .ndo_set_mac_address = rtl8152_set_mac_address,
3298 .ndo_change_mtu = eth_change_mtu,
3299 .ndo_validate_addr = eth_validate_addr,
3302 static void r8152b_get_version(struct r8152 *tp)
3307 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1);
3308 version = (u16)(ocp_data & VERSION_MASK);
3312 tp->version = RTL_VER_01;
3315 tp->version = RTL_VER_02;
3318 tp->version = RTL_VER_03;
3319 tp->mii.supports_gmii = 1;
3322 tp->version = RTL_VER_04;
3323 tp->mii.supports_gmii = 1;
3326 tp->version = RTL_VER_05;
3327 tp->mii.supports_gmii = 1;
3330 netif_info(tp, probe, tp->netdev,
3331 "Unknown version 0x%04x\n", version);
3336 static void rtl8152_unload(struct r8152 *tp)
3338 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3341 if (tp->version != RTL_VER_01)
3342 r8152_power_cut_en(tp, true);
3345 static void rtl8153_unload(struct r8152 *tp)
3347 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3350 r8153_power_cut_en(tp, true);
3353 static int rtl_ops_init(struct r8152 *tp, const struct usb_device_id *id)
3355 struct rtl_ops *ops = &tp->rtl_ops;
3358 switch (id->idVendor) {
3359 case VENDOR_ID_REALTEK:
3360 switch (id->idProduct) {
3361 case PRODUCT_ID_RTL8152:
3362 ops->init = r8152b_init;
3363 ops->enable = rtl8152_enable;
3364 ops->disable = rtl8152_disable;
3365 ops->up = r8152b_exit_oob;
3366 ops->down = rtl8152_down;
3367 ops->unload = rtl8152_unload;
3370 case PRODUCT_ID_RTL8153:
3371 ops->init = r8153_init;
3372 ops->enable = rtl8153_enable;
3373 ops->disable = rtl8152_disable;
3374 ops->up = r8153_first_init;
3375 ops->down = rtl8153_down;
3376 ops->unload = rtl8153_unload;
3384 case VENDOR_ID_SAMSUNG:
3385 switch (id->idProduct) {
3386 case PRODUCT_ID_SAMSUNG:
3387 ops->init = r8153_init;
3388 ops->enable = rtl8153_enable;
3389 ops->disable = rtl8152_disable;
3390 ops->up = r8153_first_init;
3391 ops->down = rtl8153_down;
3392 ops->unload = rtl8153_unload;
3405 netif_err(tp, probe, tp->netdev, "Unknown Device\n");
3410 static int rtl8152_probe(struct usb_interface *intf,
3411 const struct usb_device_id *id)
3413 struct usb_device *udev = interface_to_usbdev(intf);
3415 struct net_device *netdev;
3418 if (udev->actconfig->desc.bConfigurationValue != 1) {
3419 usb_driver_set_configuration(udev, 1);
3423 usb_reset_device(udev);
3424 netdev = alloc_etherdev(sizeof(struct r8152));
3426 dev_err(&intf->dev, "Out of memory\n");
3430 SET_NETDEV_DEV(netdev, &intf->dev);
3431 tp = netdev_priv(netdev);
3432 tp->msg_enable = 0x7FFF;
3435 tp->netdev = netdev;
3438 ret = rtl_ops_init(tp, id);
3442 tasklet_init(&tp->tl, bottom_half, (unsigned long)tp);
3443 INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
3445 netdev->netdev_ops = &rtl8152_netdev_ops;
3446 netdev->watchdog_timeo = RTL8152_TX_TIMEOUT;
3448 netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
3449 NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM |
3451 netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
3452 NETIF_F_TSO | NETIF_F_FRAGLIST |
3453 NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
3455 SET_ETHTOOL_OPS(netdev, &ops);
3456 netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE);
3458 tp->mii.dev = netdev;
3459 tp->mii.mdio_read = read_mii_word;
3460 tp->mii.mdio_write = write_mii_word;
3461 tp->mii.phy_id_mask = 0x3f;
3462 tp->mii.reg_num_mask = 0x1f;
3463 tp->mii.phy_id = R8152_PHY_ID;
3464 tp->mii.supports_gmii = 0;
3466 intf->needs_remote_wakeup = 1;
3468 r8152b_get_version(tp);
3469 tp->rtl_ops.init(tp);
3470 set_ethernet_addr(tp);
3472 usb_set_intfdata(intf, tp);
3474 ret = register_netdev(netdev);
3476 netif_err(tp, probe, netdev, "couldn't register the device\n");
3480 tp->saved_wolopts = __rtl_get_wol(tp);
3481 if (tp->saved_wolopts)
3482 device_set_wakeup_enable(&udev->dev, true);
3484 device_set_wakeup_enable(&udev->dev, false);
3486 netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
3491 usb_set_intfdata(intf, NULL);
3493 free_netdev(netdev);
3497 static void rtl8152_disconnect(struct usb_interface *intf)
3499 struct r8152 *tp = usb_get_intfdata(intf);
3501 usb_set_intfdata(intf, NULL);
3503 set_bit(RTL8152_UNPLUG, &tp->flags);
3504 tasklet_kill(&tp->tl);
3505 unregister_netdev(tp->netdev);
3506 tp->rtl_ops.unload(tp);
3507 free_netdev(tp->netdev);
3511 /* table of devices that work with this driver */
3512 static struct usb_device_id rtl8152_table[] = {
3513 {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8152)},
3514 {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8153)},
3515 {USB_DEVICE(VENDOR_ID_SAMSUNG, PRODUCT_ID_SAMSUNG)},
3519 MODULE_DEVICE_TABLE(usb, rtl8152_table);
3521 static struct usb_driver rtl8152_driver = {
3523 .id_table = rtl8152_table,
3524 .probe = rtl8152_probe,
3525 .disconnect = rtl8152_disconnect,
3526 .suspend = rtl8152_suspend,
3527 .resume = rtl8152_resume,
3528 .reset_resume = rtl8152_resume,
3529 .supports_autosuspend = 1,
3530 .disable_hub_initiated_lpm = 1,
3533 module_usb_driver(rtl8152_driver);
3535 MODULE_AUTHOR(DRIVER_AUTHOR);
3536 MODULE_DESCRIPTION(DRIVER_DESC);
3537 MODULE_LICENSE("GPL");