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>
25 #include <uapi/linux/mdio.h>
26 #include <linux/mdio.h>
27 #include <linux/usb/cdc.h>
28 #include <linux/suspend.h>
29 #include <linux/acpi.h>
31 /* Information for net-next */
32 #define NETNEXT_VERSION "09"
34 /* Information for net */
35 #define NET_VERSION "9"
37 #define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
38 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
39 #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
40 #define MODULENAME "r8152"
42 #define R8152_PHY_ID 32
44 #define PLA_IDR 0xc000
45 #define PLA_RCR 0xc010
46 #define PLA_RMS 0xc016
47 #define PLA_RXFIFO_CTRL0 0xc0a0
48 #define PLA_RXFIFO_CTRL1 0xc0a4
49 #define PLA_RXFIFO_CTRL2 0xc0a8
50 #define PLA_DMY_REG0 0xc0b0
51 #define PLA_FMC 0xc0b4
52 #define PLA_CFG_WOL 0xc0b6
53 #define PLA_TEREDO_CFG 0xc0bc
54 #define PLA_TEREDO_WAKE_BASE 0xc0c4
55 #define PLA_MAR 0xcd00
56 #define PLA_BACKUP 0xd000
57 #define PAL_BDC_CR 0xd1a0
58 #define PLA_TEREDO_TIMER 0xd2cc
59 #define PLA_REALWOW_TIMER 0xd2e8
60 #define PLA_EFUSE_DATA 0xdd00
61 #define PLA_EFUSE_CMD 0xdd02
62 #define PLA_LEDSEL 0xdd90
63 #define PLA_LED_FEATURE 0xdd92
64 #define PLA_PHYAR 0xde00
65 #define PLA_BOOT_CTRL 0xe004
66 #define PLA_GPHY_INTR_IMR 0xe022
67 #define PLA_EEE_CR 0xe040
68 #define PLA_EEEP_CR 0xe080
69 #define PLA_MAC_PWR_CTRL 0xe0c0
70 #define PLA_MAC_PWR_CTRL2 0xe0ca
71 #define PLA_MAC_PWR_CTRL3 0xe0cc
72 #define PLA_MAC_PWR_CTRL4 0xe0ce
73 #define PLA_WDT6_CTRL 0xe428
74 #define PLA_TCR0 0xe610
75 #define PLA_TCR1 0xe612
76 #define PLA_MTPS 0xe615
77 #define PLA_TXFIFO_CTRL 0xe618
78 #define PLA_RSTTALLY 0xe800
80 #define PLA_CRWECR 0xe81c
81 #define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */
82 #define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */
83 #define PLA_CONFIG5 0xe822
84 #define PLA_PHY_PWR 0xe84c
85 #define PLA_OOB_CTRL 0xe84f
86 #define PLA_CPCR 0xe854
87 #define PLA_MISC_0 0xe858
88 #define PLA_MISC_1 0xe85a
89 #define PLA_OCP_GPHY_BASE 0xe86c
90 #define PLA_TALLYCNT 0xe890
91 #define PLA_SFF_STS_7 0xe8de
92 #define PLA_PHYSTATUS 0xe908
93 #define PLA_BP_BA 0xfc26
94 #define PLA_BP_0 0xfc28
95 #define PLA_BP_1 0xfc2a
96 #define PLA_BP_2 0xfc2c
97 #define PLA_BP_3 0xfc2e
98 #define PLA_BP_4 0xfc30
99 #define PLA_BP_5 0xfc32
100 #define PLA_BP_6 0xfc34
101 #define PLA_BP_7 0xfc36
102 #define PLA_BP_EN 0xfc38
104 #define USB_USB2PHY 0xb41e
105 #define USB_SSPHYLINK2 0xb428
106 #define USB_U2P3_CTRL 0xb460
107 #define USB_CSR_DUMMY1 0xb464
108 #define USB_CSR_DUMMY2 0xb466
109 #define USB_DEV_STAT 0xb808
110 #define USB_CONNECT_TIMER 0xcbf8
111 #define USB_MSC_TIMER 0xcbfc
112 #define USB_BURST_SIZE 0xcfc0
113 #define USB_LPM_CONFIG 0xcfd8
114 #define USB_USB_CTRL 0xd406
115 #define USB_PHY_CTRL 0xd408
116 #define USB_TX_AGG 0xd40a
117 #define USB_RX_BUF_TH 0xd40c
118 #define USB_USB_TIMER 0xd428
119 #define USB_RX_EARLY_TIMEOUT 0xd42c
120 #define USB_RX_EARLY_SIZE 0xd42e
121 #define USB_PM_CTRL_STATUS 0xd432 /* RTL8153A */
122 #define USB_RX_EXTRA_AGGR_TMR 0xd432 /* RTL8153B */
123 #define USB_TX_DMA 0xd434
124 #define USB_UPT_RXDMA_OWN 0xd437
125 #define USB_TOLERANCE 0xd490
126 #define USB_LPM_CTRL 0xd41a
127 #define USB_BMU_RESET 0xd4b0
128 #define USB_U1U2_TIMER 0xd4da
129 #define USB_UPS_CTRL 0xd800
130 #define USB_POWER_CUT 0xd80a
131 #define USB_MISC_0 0xd81a
132 #define USB_MISC_1 0xd81f
133 #define USB_AFE_CTRL2 0xd824
134 #define USB_UPS_CFG 0xd842
135 #define USB_UPS_FLAGS 0xd848
136 #define USB_WDT11_CTRL 0xe43c
137 #define USB_BP_BA 0xfc26
138 #define USB_BP_0 0xfc28
139 #define USB_BP_1 0xfc2a
140 #define USB_BP_2 0xfc2c
141 #define USB_BP_3 0xfc2e
142 #define USB_BP_4 0xfc30
143 #define USB_BP_5 0xfc32
144 #define USB_BP_6 0xfc34
145 #define USB_BP_7 0xfc36
146 #define USB_BP_EN 0xfc38
147 #define USB_BP_8 0xfc38
148 #define USB_BP_9 0xfc3a
149 #define USB_BP_10 0xfc3c
150 #define USB_BP_11 0xfc3e
151 #define USB_BP_12 0xfc40
152 #define USB_BP_13 0xfc42
153 #define USB_BP_14 0xfc44
154 #define USB_BP_15 0xfc46
155 #define USB_BP2_EN 0xfc48
158 #define OCP_ALDPS_CONFIG 0x2010
159 #define OCP_EEE_CONFIG1 0x2080
160 #define OCP_EEE_CONFIG2 0x2092
161 #define OCP_EEE_CONFIG3 0x2094
162 #define OCP_BASE_MII 0xa400
163 #define OCP_EEE_AR 0xa41a
164 #define OCP_EEE_DATA 0xa41c
165 #define OCP_PHY_STATUS 0xa420
166 #define OCP_NCTL_CFG 0xa42c
167 #define OCP_POWER_CFG 0xa430
168 #define OCP_EEE_CFG 0xa432
169 #define OCP_SRAM_ADDR 0xa436
170 #define OCP_SRAM_DATA 0xa438
171 #define OCP_DOWN_SPEED 0xa442
172 #define OCP_EEE_ABLE 0xa5c4
173 #define OCP_EEE_ADV 0xa5d0
174 #define OCP_EEE_LPABLE 0xa5d2
175 #define OCP_PHY_STATE 0xa708 /* nway state for 8153 */
176 #define OCP_PHY_PATCH_STAT 0xb800
177 #define OCP_PHY_PATCH_CMD 0xb820
178 #define OCP_ADC_IOFFSET 0xbcfc
179 #define OCP_ADC_CFG 0xbc06
180 #define OCP_SYSCLK_CFG 0xc416
183 #define SRAM_GREEN_CFG 0x8011
184 #define SRAM_LPF_CFG 0x8012
185 #define SRAM_10M_AMP1 0x8080
186 #define SRAM_10M_AMP2 0x8082
187 #define SRAM_IMPEDANCE 0x8084
190 #define RCR_AAP 0x00000001
191 #define RCR_APM 0x00000002
192 #define RCR_AM 0x00000004
193 #define RCR_AB 0x00000008
194 #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
196 /* PLA_RXFIFO_CTRL0 */
197 #define RXFIFO_THR1_NORMAL 0x00080002
198 #define RXFIFO_THR1_OOB 0x01800003
200 /* PLA_RXFIFO_CTRL1 */
201 #define RXFIFO_THR2_FULL 0x00000060
202 #define RXFIFO_THR2_HIGH 0x00000038
203 #define RXFIFO_THR2_OOB 0x0000004a
204 #define RXFIFO_THR2_NORMAL 0x00a0
206 /* PLA_RXFIFO_CTRL2 */
207 #define RXFIFO_THR3_FULL 0x00000078
208 #define RXFIFO_THR3_HIGH 0x00000048
209 #define RXFIFO_THR3_OOB 0x0000005a
210 #define RXFIFO_THR3_NORMAL 0x0110
212 /* PLA_TXFIFO_CTRL */
213 #define TXFIFO_THR_NORMAL 0x00400008
214 #define TXFIFO_THR_NORMAL2 0x01000008
217 #define ECM_ALDPS 0x0002
220 #define FMC_FCR_MCU_EN 0x0001
223 #define EEEP_CR_EEEP_TX 0x0002
226 #define WDT6_SET_MODE 0x0010
229 #define TCR0_TX_EMPTY 0x0800
230 #define TCR0_AUTO_FIFO 0x0080
233 #define VERSION_MASK 0x7cf0
236 #define MTPS_JUMBO (12 * 1024 / 64)
237 #define MTPS_DEFAULT (6 * 1024 / 64)
240 #define TALLY_RESET 0x0001
248 #define CRWECR_NORAML 0x00
249 #define CRWECR_CONFIG 0xc0
252 #define NOW_IS_OOB 0x80
253 #define TXFIFO_EMPTY 0x20
254 #define RXFIFO_EMPTY 0x10
255 #define LINK_LIST_READY 0x02
256 #define DIS_MCU_CLROOB 0x01
257 #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY)
260 #define RXDY_GATED_EN 0x0008
263 #define RE_INIT_LL 0x8000
264 #define MCU_BORW_EN 0x4000
267 #define CPCR_RX_VLAN 0x0040
270 #define MAGIC_EN 0x0001
273 #define TEREDO_SEL 0x8000
274 #define TEREDO_WAKE_MASK 0x7f00
275 #define TEREDO_RS_EVENT_MASK 0x00fe
276 #define OOB_TEREDO_EN 0x0001
279 #define ALDPS_PROXY_MODE 0x0001
282 #define EFUSE_READ_CMD BIT(15)
283 #define EFUSE_DATA_BIT16 BIT(7)
286 #define LINK_ON_WAKE_EN 0x0010
287 #define LINK_OFF_WAKE_EN 0x0008
290 #define BWF_EN 0x0040
291 #define MWF_EN 0x0020
292 #define UWF_EN 0x0010
293 #define LAN_WAKE_EN 0x0002
295 /* PLA_LED_FEATURE */
296 #define LED_MODE_MASK 0x0700
299 #define TX_10M_IDLE_EN 0x0080
300 #define PFM_PWM_SWITCH 0x0040
302 /* PLA_MAC_PWR_CTRL */
303 #define D3_CLK_GATED_EN 0x00004000
304 #define MCU_CLK_RATIO 0x07010f07
305 #define MCU_CLK_RATIO_MASK 0x0f0f0f0f
306 #define ALDPS_SPDWN_RATIO 0x0f87
308 /* PLA_MAC_PWR_CTRL2 */
309 #define EEE_SPDWN_RATIO 0x8007
310 #define MAC_CLK_SPDWN_EN BIT(15)
312 /* PLA_MAC_PWR_CTRL3 */
313 #define PKT_AVAIL_SPDWN_EN 0x0100
314 #define SUSPEND_SPDWN_EN 0x0004
315 #define U1U2_SPDWN_EN 0x0002
316 #define L1_SPDWN_EN 0x0001
318 /* PLA_MAC_PWR_CTRL4 */
319 #define PWRSAVE_SPDWN_EN 0x1000
320 #define RXDV_SPDWN_EN 0x0800
321 #define TX10MIDLE_EN 0x0100
322 #define TP100_SPDWN_EN 0x0020
323 #define TP500_SPDWN_EN 0x0010
324 #define TP1000_SPDWN_EN 0x0008
325 #define EEE_SPDWN_EN 0x0001
327 /* PLA_GPHY_INTR_IMR */
328 #define GPHY_STS_MSK 0x0001
329 #define SPEED_DOWN_MSK 0x0002
330 #define SPDWN_RXDV_MSK 0x0004
331 #define SPDWN_LINKCHG_MSK 0x0008
334 #define PHYAR_FLAG 0x80000000
337 #define EEE_RX_EN 0x0001
338 #define EEE_TX_EN 0x0002
341 #define AUTOLOAD_DONE 0x0002
344 #define USB2PHY_SUSPEND 0x0001
345 #define USB2PHY_L1 0x0002
348 #define pwd_dn_scale_mask 0x3ffe
349 #define pwd_dn_scale(x) ((x) << 1)
352 #define DYNAMIC_BURST 0x0001
355 #define EP4_FULL_FC 0x0001
358 #define STAT_SPEED_MASK 0x0006
359 #define STAT_SPEED_HIGH 0x0000
360 #define STAT_SPEED_FULL 0x0002
363 #define LPM_U1U2_EN BIT(0)
366 #define TX_AGG_MAX_THRESHOLD 0x03
369 #define RX_THR_SUPPER 0x0c350180
370 #define RX_THR_HIGH 0x7a120180
371 #define RX_THR_SLOW 0xffff0180
372 #define RX_THR_B 0x00010001
375 #define TEST_MODE_DISABLE 0x00000001
376 #define TX_SIZE_ADJUST1 0x00000100
379 #define BMU_RESET_EP_IN 0x01
380 #define BMU_RESET_EP_OUT 0x02
382 /* USB_UPT_RXDMA_OWN */
383 #define OWN_UPDATE BIT(0)
384 #define OWN_CLEAR BIT(1)
387 #define POWER_CUT 0x0100
389 /* USB_PM_CTRL_STATUS */
390 #define RESUME_INDICATE 0x0001
393 #define RX_AGG_DISABLE 0x0010
394 #define RX_ZERO_EN 0x0080
397 #define U2P3_ENABLE 0x0001
400 #define PWR_EN 0x0001
401 #define PHASE2_EN 0x0008
402 #define UPS_EN BIT(4)
403 #define USP_PREWAKE BIT(5)
406 #define PCUT_STATUS 0x0001
408 /* USB_RX_EARLY_TIMEOUT */
409 #define COALESCE_SUPER 85000U
410 #define COALESCE_HIGH 250000U
411 #define COALESCE_SLOW 524280U
414 #define TIMER11_EN 0x0001
417 /* bit 4 ~ 5: fifo empty boundary */
418 #define FIFO_EMPTY_1FB 0x30 /* 0x1fb * 64 = 32448 bytes */
419 /* bit 2 ~ 3: LMP timer */
420 #define LPM_TIMER_MASK 0x0c
421 #define LPM_TIMER_500MS 0x04 /* 500 ms */
422 #define LPM_TIMER_500US 0x0c /* 500 us */
423 #define ROK_EXIT_LPM 0x02
426 #define SEN_VAL_MASK 0xf800
427 #define SEN_VAL_NORMAL 0xa000
428 #define SEL_RXIDLE 0x0100
431 #define SAW_CNT_1MS_MASK 0x0fff
434 #define UPS_FLAGS_R_TUNE BIT(0)
435 #define UPS_FLAGS_EN_10M_CKDIV BIT(1)
436 #define UPS_FLAGS_250M_CKDIV BIT(2)
437 #define UPS_FLAGS_EN_ALDPS BIT(3)
438 #define UPS_FLAGS_CTAP_SHORT_DIS BIT(4)
439 #define UPS_FLAGS_SPEED_MASK (0xf << 16)
440 #define ups_flags_speed(x) ((x) << 16)
441 #define UPS_FLAGS_EN_EEE BIT(20)
442 #define UPS_FLAGS_EN_500M_EEE BIT(21)
443 #define UPS_FLAGS_EN_EEE_CKDIV BIT(22)
444 #define UPS_FLAGS_EEE_PLLOFF_GIGA BIT(24)
445 #define UPS_FLAGS_EEE_CMOD_LV_EN BIT(25)
446 #define UPS_FLAGS_EN_GREEN BIT(26)
447 #define UPS_FLAGS_EN_FLOW_CTR BIT(27)
461 /* OCP_ALDPS_CONFIG */
462 #define ENPWRSAVE 0x8000
463 #define ENPDNPS 0x0200
464 #define LINKENA 0x0100
465 #define DIS_SDSAVE 0x0010
468 #define PHY_STAT_MASK 0x0007
469 #define PHY_STAT_EXT_INIT 2
470 #define PHY_STAT_LAN_ON 3
471 #define PHY_STAT_PWRDN 5
474 #define PGA_RETURN_EN BIT(1)
477 #define EEE_CLKDIV_EN 0x8000
478 #define EN_ALDPS 0x0004
479 #define EN_10M_PLLOFF 0x0001
481 /* OCP_EEE_CONFIG1 */
482 #define RG_TXLPI_MSK_HFDUP 0x8000
483 #define RG_MATCLR_EN 0x4000
484 #define EEE_10_CAP 0x2000
485 #define EEE_NWAY_EN 0x1000
486 #define TX_QUIET_EN 0x0200
487 #define RX_QUIET_EN 0x0100
488 #define sd_rise_time_mask 0x0070
489 #define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */
490 #define RG_RXLPI_MSK_HFDUP 0x0008
491 #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */
493 /* OCP_EEE_CONFIG2 */
494 #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */
495 #define RG_DACQUIET_EN 0x0400
496 #define RG_LDVQUIET_EN 0x0200
497 #define RG_CKRSEL 0x0020
498 #define RG_EEEPRG_EN 0x0010
500 /* OCP_EEE_CONFIG3 */
501 #define fast_snr_mask 0xff80
502 #define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */
503 #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */
504 #define MSK_PH 0x0006 /* bit 0 ~ 3 */
507 /* bit[15:14] function */
508 #define FUN_ADDR 0x0000
509 #define FUN_DATA 0x4000
510 /* bit[4:0] device addr */
513 #define CTAP_SHORT_EN 0x0040
514 #define EEE10_EN 0x0010
517 #define EN_EEE_CMODE BIT(14)
518 #define EN_EEE_1000 BIT(13)
519 #define EN_EEE_100 BIT(12)
520 #define EN_10M_CLKDIV BIT(11)
521 #define EN_10M_BGOFF 0x0080
524 #define TXDIS_STATE 0x01
525 #define ABD_STATE 0x02
527 /* OCP_PHY_PATCH_STAT */
528 #define PATCH_READY BIT(6)
530 /* OCP_PHY_PATCH_CMD */
531 #define PATCH_REQUEST BIT(4)
534 #define CKADSEL_L 0x0100
535 #define ADC_EN 0x0080
536 #define EN_EMI_L 0x0040
539 #define clk_div_expo(x) (min(x, 5) << 8)
542 #define GREEN_ETH_EN BIT(15)
543 #define R_TUNE_EN BIT(11)
546 #define LPF_AUTO_TUNE 0x8000
549 #define GDAC_IB_UPALL 0x0008
552 #define AMP_DN 0x0200
555 #define RX_DRIVING_MASK 0x6000
558 #define AD_MASK 0xfee0
559 #define BND_MASK 0x0004
560 #define BD_MASK 0x0001
562 #define PASS_THRU_MASK 0x1
564 enum rtl_register_content
{
572 #define RTL8152_MAX_TX 4
573 #define RTL8152_MAX_RX 10
578 #define INTR_LINK 0x0004
580 #define RTL8152_REQT_READ 0xc0
581 #define RTL8152_REQT_WRITE 0x40
582 #define RTL8152_REQ_GET_REGS 0x05
583 #define RTL8152_REQ_SET_REGS 0x05
585 #define BYTE_EN_DWORD 0xff
586 #define BYTE_EN_WORD 0x33
587 #define BYTE_EN_BYTE 0x11
588 #define BYTE_EN_SIX_BYTES 0x3f
589 #define BYTE_EN_START_MASK 0x0f
590 #define BYTE_EN_END_MASK 0xf0
592 #define RTL8153_MAX_PACKET 9216 /* 9K */
593 #define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - \
595 #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
596 #define RTL8153_RMS RTL8153_MAX_PACKET
597 #define RTL8152_TX_TIMEOUT (5 * HZ)
598 #define RTL8152_NAPI_WEIGHT 64
599 #define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + ETH_FCS_LEN + \
600 sizeof(struct rx_desc) + RX_ALIGN)
615 /* Define these values to match your device */
616 #define VENDOR_ID_REALTEK 0x0bda
617 #define VENDOR_ID_MICROSOFT 0x045e
618 #define VENDOR_ID_SAMSUNG 0x04e8
619 #define VENDOR_ID_LENOVO 0x17ef
620 #define VENDOR_ID_LINKSYS 0x13b1
621 #define VENDOR_ID_NVIDIA 0x0955
622 #define VENDOR_ID_TPLINK 0x2357
624 #define MCU_TYPE_PLA 0x0100
625 #define MCU_TYPE_USB 0x0000
627 struct tally_counter
{
634 __le32 tx_one_collision
;
635 __le32 tx_multi_collision
;
645 #define RX_LEN_MASK 0x7fff
648 #define RD_UDP_CS BIT(23)
649 #define RD_TCP_CS BIT(22)
650 #define RD_IPV6_CS BIT(20)
651 #define RD_IPV4_CS BIT(19)
654 #define IPF BIT(23) /* IP checksum fail */
655 #define UDPF BIT(22) /* UDP checksum fail */
656 #define TCPF BIT(21) /* TCP checksum fail */
657 #define RX_VLAN_TAG BIT(16)
666 #define TX_FS BIT(31) /* First segment of a packet */
667 #define TX_LS BIT(30) /* Final segment of a packet */
668 #define GTSENDV4 BIT(28)
669 #define GTSENDV6 BIT(27)
670 #define GTTCPHO_SHIFT 18
671 #define GTTCPHO_MAX 0x7fU
672 #define TX_LEN_MAX 0x3ffffU
675 #define UDP_CS BIT(31) /* Calculate UDP/IP checksum */
676 #define TCP_CS BIT(30) /* Calculate TCP/IP checksum */
677 #define IPV4_CS BIT(29) /* Calculate IPv4 checksum */
678 #define IPV6_CS BIT(28) /* Calculate IPv6 checksum */
680 #define MSS_MAX 0x7ffU
681 #define TCPHO_SHIFT 17
682 #define TCPHO_MAX 0x7ffU
683 #define TX_VLAN_TAG BIT(16)
689 struct list_head list
;
691 struct r8152
*context
;
697 struct list_head list
;
699 struct r8152
*context
;
708 struct usb_device
*udev
;
709 struct napi_struct napi
;
710 struct usb_interface
*intf
;
711 struct net_device
*netdev
;
712 struct urb
*intr_urb
;
713 struct tx_agg tx_info
[RTL8152_MAX_TX
];
714 struct rx_agg rx_info
[RTL8152_MAX_RX
];
715 struct list_head rx_done
, tx_free
;
716 struct sk_buff_head tx_queue
, rx_queue
;
717 spinlock_t rx_lock
, tx_lock
;
718 struct delayed_work schedule
, hw_phy_work
;
719 struct mii_if_info mii
;
720 struct mutex control
; /* use for hw setting */
721 #ifdef CONFIG_PM_SLEEP
722 struct notifier_block pm_notifier
;
726 void (*init
)(struct r8152
*);
727 int (*enable
)(struct r8152
*);
728 void (*disable
)(struct r8152
*);
729 void (*up
)(struct r8152
*);
730 void (*down
)(struct r8152
*);
731 void (*unload
)(struct r8152
*);
732 int (*eee_get
)(struct r8152
*, struct ethtool_eee
*);
733 int (*eee_set
)(struct r8152
*, struct ethtool_eee
*);
734 bool (*in_nway
)(struct r8152
*);
735 void (*hw_phy_cfg
)(struct r8152
*);
736 void (*autosuspend_en
)(struct r8152
*tp
, bool enable
);
772 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
773 * The RTL chips use a 64 element hash table based on the Ethernet CRC.
775 static const int multicast_filter_limit
= 32;
776 static unsigned int agg_buf_sz
= 16384;
778 #define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \
779 VLAN_ETH_HLEN - ETH_FCS_LEN)
782 int get_registers(struct r8152
*tp
, u16 value
, u16 index
, u16 size
, void *data
)
787 tmp
= kmalloc(size
, GFP_KERNEL
);
791 ret
= usb_control_msg(tp
->udev
, usb_rcvctrlpipe(tp
->udev
, 0),
792 RTL8152_REQ_GET_REGS
, RTL8152_REQT_READ
,
793 value
, index
, tmp
, size
, 500);
795 memcpy(data
, tmp
, size
);
802 int set_registers(struct r8152
*tp
, u16 value
, u16 index
, u16 size
, void *data
)
807 tmp
= kmemdup(data
, size
, GFP_KERNEL
);
811 ret
= usb_control_msg(tp
->udev
, usb_sndctrlpipe(tp
->udev
, 0),
812 RTL8152_REQ_SET_REGS
, RTL8152_REQT_WRITE
,
813 value
, index
, tmp
, size
, 500);
820 static int generic_ocp_read(struct r8152
*tp
, u16 index
, u16 size
,
821 void *data
, u16 type
)
826 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
829 /* both size and indix must be 4 bytes align */
830 if ((size
& 3) || !size
|| (index
& 3) || !data
)
833 if ((u32
)index
+ (u32
)size
> 0xffff)
838 ret
= get_registers(tp
, index
, type
, limit
, data
);
846 ret
= get_registers(tp
, index
, type
, size
, data
);
858 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
863 static int generic_ocp_write(struct r8152
*tp
, u16 index
, u16 byteen
,
864 u16 size
, void *data
, u16 type
)
867 u16 byteen_start
, byteen_end
, byen
;
870 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
873 /* both size and indix must be 4 bytes align */
874 if ((size
& 3) || !size
|| (index
& 3) || !data
)
877 if ((u32
)index
+ (u32
)size
> 0xffff)
880 byteen_start
= byteen
& BYTE_EN_START_MASK
;
881 byteen_end
= byteen
& BYTE_EN_END_MASK
;
883 byen
= byteen_start
| (byteen_start
<< 4);
884 ret
= set_registers(tp
, index
, type
| byen
, 4, data
);
897 ret
= set_registers(tp
, index
,
898 type
| BYTE_EN_DWORD
,
907 ret
= set_registers(tp
, index
,
908 type
| BYTE_EN_DWORD
,
920 byen
= byteen_end
| (byteen_end
>> 4);
921 ret
= set_registers(tp
, index
, type
| byen
, 4, data
);
928 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
934 int pla_ocp_read(struct r8152
*tp
, u16 index
, u16 size
, void *data
)
936 return generic_ocp_read(tp
, index
, size
, data
, MCU_TYPE_PLA
);
940 int pla_ocp_write(struct r8152
*tp
, u16 index
, u16 byteen
, u16 size
, void *data
)
942 return generic_ocp_write(tp
, index
, byteen
, size
, data
, MCU_TYPE_PLA
);
946 int usb_ocp_write(struct r8152
*tp
, u16 index
, u16 byteen
, u16 size
, void *data
)
948 return generic_ocp_write(tp
, index
, byteen
, size
, data
, MCU_TYPE_USB
);
951 static u32
ocp_read_dword(struct r8152
*tp
, u16 type
, u16 index
)
955 generic_ocp_read(tp
, index
, sizeof(data
), &data
, type
);
957 return __le32_to_cpu(data
);
960 static void ocp_write_dword(struct r8152
*tp
, u16 type
, u16 index
, u32 data
)
962 __le32 tmp
= __cpu_to_le32(data
);
964 generic_ocp_write(tp
, index
, BYTE_EN_DWORD
, sizeof(tmp
), &tmp
, type
);
967 static u16
ocp_read_word(struct r8152
*tp
, u16 type
, u16 index
)
971 u16 byen
= BYTE_EN_WORD
;
972 u8 shift
= index
& 2;
977 generic_ocp_read(tp
, index
, sizeof(tmp
), &tmp
, type
| byen
);
979 data
= __le32_to_cpu(tmp
);
980 data
>>= (shift
* 8);
986 static void ocp_write_word(struct r8152
*tp
, u16 type
, u16 index
, u32 data
)
990 u16 byen
= BYTE_EN_WORD
;
991 u8 shift
= index
& 2;
997 mask
<<= (shift
* 8);
998 data
<<= (shift
* 8);
1002 tmp
= __cpu_to_le32(data
);
1004 generic_ocp_write(tp
, index
, byen
, sizeof(tmp
), &tmp
, type
);
1007 static u8
ocp_read_byte(struct r8152
*tp
, u16 type
, u16 index
)
1011 u8 shift
= index
& 3;
1015 generic_ocp_read(tp
, index
, sizeof(tmp
), &tmp
, type
);
1017 data
= __le32_to_cpu(tmp
);
1018 data
>>= (shift
* 8);
1024 static void ocp_write_byte(struct r8152
*tp
, u16 type
, u16 index
, u32 data
)
1028 u16 byen
= BYTE_EN_BYTE
;
1029 u8 shift
= index
& 3;
1035 mask
<<= (shift
* 8);
1036 data
<<= (shift
* 8);
1040 tmp
= __cpu_to_le32(data
);
1042 generic_ocp_write(tp
, index
, byen
, sizeof(tmp
), &tmp
, type
);
1045 static u16
ocp_reg_read(struct r8152
*tp
, u16 addr
)
1047 u16 ocp_base
, ocp_index
;
1049 ocp_base
= addr
& 0xf000;
1050 if (ocp_base
!= tp
->ocp_base
) {
1051 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_OCP_GPHY_BASE
, ocp_base
);
1052 tp
->ocp_base
= ocp_base
;
1055 ocp_index
= (addr
& 0x0fff) | 0xb000;
1056 return ocp_read_word(tp
, MCU_TYPE_PLA
, ocp_index
);
1059 static void ocp_reg_write(struct r8152
*tp
, u16 addr
, u16 data
)
1061 u16 ocp_base
, ocp_index
;
1063 ocp_base
= addr
& 0xf000;
1064 if (ocp_base
!= tp
->ocp_base
) {
1065 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_OCP_GPHY_BASE
, ocp_base
);
1066 tp
->ocp_base
= ocp_base
;
1069 ocp_index
= (addr
& 0x0fff) | 0xb000;
1070 ocp_write_word(tp
, MCU_TYPE_PLA
, ocp_index
, data
);
1073 static inline void r8152_mdio_write(struct r8152
*tp
, u32 reg_addr
, u32 value
)
1075 ocp_reg_write(tp
, OCP_BASE_MII
+ reg_addr
* 2, value
);
1078 static inline int r8152_mdio_read(struct r8152
*tp
, u32 reg_addr
)
1080 return ocp_reg_read(tp
, OCP_BASE_MII
+ reg_addr
* 2);
1083 static void sram_write(struct r8152
*tp
, u16 addr
, u16 data
)
1085 ocp_reg_write(tp
, OCP_SRAM_ADDR
, addr
);
1086 ocp_reg_write(tp
, OCP_SRAM_DATA
, data
);
1089 static u16
sram_read(struct r8152
*tp
, u16 addr
)
1091 ocp_reg_write(tp
, OCP_SRAM_ADDR
, addr
);
1092 return ocp_reg_read(tp
, OCP_SRAM_DATA
);
1095 static int read_mii_word(struct net_device
*netdev
, int phy_id
, int reg
)
1097 struct r8152
*tp
= netdev_priv(netdev
);
1100 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1103 if (phy_id
!= R8152_PHY_ID
)
1106 ret
= r8152_mdio_read(tp
, reg
);
1112 void write_mii_word(struct net_device
*netdev
, int phy_id
, int reg
, int val
)
1114 struct r8152
*tp
= netdev_priv(netdev
);
1116 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1119 if (phy_id
!= R8152_PHY_ID
)
1122 r8152_mdio_write(tp
, reg
, val
);
1126 r8152_submit_rx(struct r8152
*tp
, struct rx_agg
*agg
, gfp_t mem_flags
);
1128 static int rtl8152_set_mac_address(struct net_device
*netdev
, void *p
)
1130 struct r8152
*tp
= netdev_priv(netdev
);
1131 struct sockaddr
*addr
= p
;
1132 int ret
= -EADDRNOTAVAIL
;
1134 if (!is_valid_ether_addr(addr
->sa_data
))
1137 ret
= usb_autopm_get_interface(tp
->intf
);
1141 mutex_lock(&tp
->control
);
1143 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
1145 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_CONFIG
);
1146 pla_ocp_write(tp
, PLA_IDR
, BYTE_EN_SIX_BYTES
, 8, addr
->sa_data
);
1147 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
1149 mutex_unlock(&tp
->control
);
1151 usb_autopm_put_interface(tp
->intf
);
1156 /* Devices containing proper chips can support a persistent
1157 * host system provided MAC address.
1158 * Examples of this are Dell TB15 and Dell WD15 docks
1160 static int vendor_mac_passthru_addr_read(struct r8152
*tp
, struct sockaddr
*sa
)
1163 struct acpi_buffer buffer
= { ACPI_ALLOCATE_BUFFER
, NULL
};
1164 union acpi_object
*obj
;
1167 unsigned char buf
[6];
1169 /* test for -AD variant of RTL8153 */
1170 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_MISC_0
);
1171 if ((ocp_data
& AD_MASK
) == 0x1000) {
1172 /* test for MAC address pass-through bit */
1173 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, EFUSE
);
1174 if ((ocp_data
& PASS_THRU_MASK
) != 1) {
1175 netif_dbg(tp
, probe
, tp
->netdev
,
1176 "No efuse for RTL8153-AD MAC pass through\n");
1180 /* test for RTL8153-BND and RTL8153-BD */
1181 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_MISC_1
);
1182 if ((ocp_data
& BND_MASK
) == 0 && (ocp_data
& BD_MASK
) == 0) {
1183 netif_dbg(tp
, probe
, tp
->netdev
,
1184 "Invalid variant for MAC pass through\n");
1189 /* returns _AUXMAC_#AABBCCDDEEFF# */
1190 status
= acpi_evaluate_object(NULL
, "\\_SB.AMAC", NULL
, &buffer
);
1191 obj
= (union acpi_object
*)buffer
.pointer
;
1192 if (!ACPI_SUCCESS(status
))
1194 if (obj
->type
!= ACPI_TYPE_BUFFER
|| obj
->string
.length
!= 0x17) {
1195 netif_warn(tp
, probe
, tp
->netdev
,
1196 "Invalid buffer for pass-thru MAC addr: (%d, %d)\n",
1197 obj
->type
, obj
->string
.length
);
1200 if (strncmp(obj
->string
.pointer
, "_AUXMAC_#", 9) != 0 ||
1201 strncmp(obj
->string
.pointer
+ 0x15, "#", 1) != 0) {
1202 netif_warn(tp
, probe
, tp
->netdev
,
1203 "Invalid header when reading pass-thru MAC addr\n");
1206 ret
= hex2bin(buf
, obj
->string
.pointer
+ 9, 6);
1207 if (!(ret
== 0 && is_valid_ether_addr(buf
))) {
1208 netif_warn(tp
, probe
, tp
->netdev
,
1209 "Invalid MAC for pass-thru MAC addr: %d, %pM\n",
1214 memcpy(sa
->sa_data
, buf
, 6);
1215 ether_addr_copy(tp
->netdev
->dev_addr
, sa
->sa_data
);
1216 netif_info(tp
, probe
, tp
->netdev
,
1217 "Using pass-thru MAC addr %pM\n", sa
->sa_data
);
1224 static int set_ethernet_addr(struct r8152
*tp
)
1226 struct net_device
*dev
= tp
->netdev
;
1230 if (tp
->version
== RTL_VER_01
) {
1231 ret
= pla_ocp_read(tp
, PLA_IDR
, 8, sa
.sa_data
);
1233 /* if device doesn't support MAC pass through this will
1234 * be expected to be non-zero
1236 ret
= vendor_mac_passthru_addr_read(tp
, &sa
);
1238 ret
= pla_ocp_read(tp
, PLA_BACKUP
, 8, sa
.sa_data
);
1242 netif_err(tp
, probe
, dev
, "Get ether addr fail\n");
1243 } else if (!is_valid_ether_addr(sa
.sa_data
)) {
1244 netif_err(tp
, probe
, dev
, "Invalid ether addr %pM\n",
1246 eth_hw_addr_random(dev
);
1247 ether_addr_copy(sa
.sa_data
, dev
->dev_addr
);
1248 ret
= rtl8152_set_mac_address(dev
, &sa
);
1249 netif_info(tp
, probe
, dev
, "Random ether addr %pM\n",
1252 if (tp
->version
== RTL_VER_01
)
1253 ether_addr_copy(dev
->dev_addr
, sa
.sa_data
);
1255 ret
= rtl8152_set_mac_address(dev
, &sa
);
1261 static void read_bulk_callback(struct urb
*urb
)
1263 struct net_device
*netdev
;
1264 int status
= urb
->status
;
1267 unsigned long flags
;
1277 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1280 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
1283 netdev
= tp
->netdev
;
1285 /* When link down, the driver would cancel all bulks. */
1286 /* This avoid the re-submitting bulk */
1287 if (!netif_carrier_ok(netdev
))
1290 usb_mark_last_busy(tp
->udev
);
1294 if (urb
->actual_length
< ETH_ZLEN
)
1297 spin_lock_irqsave(&tp
->rx_lock
, flags
);
1298 list_add_tail(&agg
->list
, &tp
->rx_done
);
1299 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
1300 napi_schedule(&tp
->napi
);
1303 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
1304 netif_device_detach(tp
->netdev
);
1307 return; /* the urb is in unlink state */
1309 if (net_ratelimit())
1310 netdev_warn(netdev
, "maybe reset is needed?\n");
1313 if (net_ratelimit())
1314 netdev_warn(netdev
, "Rx status %d\n", status
);
1318 r8152_submit_rx(tp
, agg
, GFP_ATOMIC
);
1321 static void write_bulk_callback(struct urb
*urb
)
1323 struct net_device_stats
*stats
;
1324 struct net_device
*netdev
;
1327 unsigned long flags
;
1328 int status
= urb
->status
;
1338 netdev
= tp
->netdev
;
1339 stats
= &netdev
->stats
;
1341 if (net_ratelimit())
1342 netdev_warn(netdev
, "Tx status %d\n", status
);
1343 stats
->tx_errors
+= agg
->skb_num
;
1345 stats
->tx_packets
+= agg
->skb_num
;
1346 stats
->tx_bytes
+= agg
->skb_len
;
1349 spin_lock_irqsave(&tp
->tx_lock
, flags
);
1350 list_add_tail(&agg
->list
, &tp
->tx_free
);
1351 spin_unlock_irqrestore(&tp
->tx_lock
, flags
);
1353 usb_autopm_put_interface_async(tp
->intf
);
1355 if (!netif_carrier_ok(netdev
))
1358 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
1361 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1364 if (!skb_queue_empty(&tp
->tx_queue
))
1365 napi_schedule(&tp
->napi
);
1368 static void intr_callback(struct urb
*urb
)
1372 int status
= urb
->status
;
1379 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
1382 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1386 case 0: /* success */
1388 case -ECONNRESET
: /* unlink */
1390 netif_device_detach(tp
->netdev
);
1394 netif_info(tp
, intr
, tp
->netdev
,
1395 "Stop submitting intr, status %d\n", status
);
1398 netif_info(tp
, intr
, tp
->netdev
, "intr status -EOVERFLOW\n");
1400 /* -EPIPE: should clear the halt */
1402 netif_info(tp
, intr
, tp
->netdev
, "intr status %d\n", status
);
1406 d
= urb
->transfer_buffer
;
1407 if (INTR_LINK
& __le16_to_cpu(d
[0])) {
1408 if (!netif_carrier_ok(tp
->netdev
)) {
1409 set_bit(RTL8152_LINK_CHG
, &tp
->flags
);
1410 schedule_delayed_work(&tp
->schedule
, 0);
1413 if (netif_carrier_ok(tp
->netdev
)) {
1414 netif_stop_queue(tp
->netdev
);
1415 set_bit(RTL8152_LINK_CHG
, &tp
->flags
);
1416 schedule_delayed_work(&tp
->schedule
, 0);
1421 res
= usb_submit_urb(urb
, GFP_ATOMIC
);
1422 if (res
== -ENODEV
) {
1423 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
1424 netif_device_detach(tp
->netdev
);
1426 netif_err(tp
, intr
, tp
->netdev
,
1427 "can't resubmit intr, status %d\n", res
);
1431 static inline void *rx_agg_align(void *data
)
1433 return (void *)ALIGN((uintptr_t)data
, RX_ALIGN
);
1436 static inline void *tx_agg_align(void *data
)
1438 return (void *)ALIGN((uintptr_t)data
, TX_ALIGN
);
1441 static void free_all_mem(struct r8152
*tp
)
1445 for (i
= 0; i
< RTL8152_MAX_RX
; i
++) {
1446 usb_free_urb(tp
->rx_info
[i
].urb
);
1447 tp
->rx_info
[i
].urb
= NULL
;
1449 kfree(tp
->rx_info
[i
].buffer
);
1450 tp
->rx_info
[i
].buffer
= NULL
;
1451 tp
->rx_info
[i
].head
= NULL
;
1454 for (i
= 0; i
< RTL8152_MAX_TX
; i
++) {
1455 usb_free_urb(tp
->tx_info
[i
].urb
);
1456 tp
->tx_info
[i
].urb
= NULL
;
1458 kfree(tp
->tx_info
[i
].buffer
);
1459 tp
->tx_info
[i
].buffer
= NULL
;
1460 tp
->tx_info
[i
].head
= NULL
;
1463 usb_free_urb(tp
->intr_urb
);
1464 tp
->intr_urb
= NULL
;
1466 kfree(tp
->intr_buff
);
1467 tp
->intr_buff
= NULL
;
1470 static int alloc_all_mem(struct r8152
*tp
)
1472 struct net_device
*netdev
= tp
->netdev
;
1473 struct usb_interface
*intf
= tp
->intf
;
1474 struct usb_host_interface
*alt
= intf
->cur_altsetting
;
1475 struct usb_host_endpoint
*ep_intr
= alt
->endpoint
+ 2;
1480 node
= netdev
->dev
.parent
? dev_to_node(netdev
->dev
.parent
) : -1;
1482 spin_lock_init(&tp
->rx_lock
);
1483 spin_lock_init(&tp
->tx_lock
);
1484 INIT_LIST_HEAD(&tp
->tx_free
);
1485 INIT_LIST_HEAD(&tp
->rx_done
);
1486 skb_queue_head_init(&tp
->tx_queue
);
1487 skb_queue_head_init(&tp
->rx_queue
);
1489 for (i
= 0; i
< RTL8152_MAX_RX
; i
++) {
1490 buf
= kmalloc_node(agg_buf_sz
, GFP_KERNEL
, node
);
1494 if (buf
!= rx_agg_align(buf
)) {
1496 buf
= kmalloc_node(agg_buf_sz
+ RX_ALIGN
, GFP_KERNEL
,
1502 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1508 INIT_LIST_HEAD(&tp
->rx_info
[i
].list
);
1509 tp
->rx_info
[i
].context
= tp
;
1510 tp
->rx_info
[i
].urb
= urb
;
1511 tp
->rx_info
[i
].buffer
= buf
;
1512 tp
->rx_info
[i
].head
= rx_agg_align(buf
);
1515 for (i
= 0; i
< RTL8152_MAX_TX
; i
++) {
1516 buf
= kmalloc_node(agg_buf_sz
, GFP_KERNEL
, node
);
1520 if (buf
!= tx_agg_align(buf
)) {
1522 buf
= kmalloc_node(agg_buf_sz
+ TX_ALIGN
, GFP_KERNEL
,
1528 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1534 INIT_LIST_HEAD(&tp
->tx_info
[i
].list
);
1535 tp
->tx_info
[i
].context
= tp
;
1536 tp
->tx_info
[i
].urb
= urb
;
1537 tp
->tx_info
[i
].buffer
= buf
;
1538 tp
->tx_info
[i
].head
= tx_agg_align(buf
);
1540 list_add_tail(&tp
->tx_info
[i
].list
, &tp
->tx_free
);
1543 tp
->intr_urb
= usb_alloc_urb(0, GFP_KERNEL
);
1547 tp
->intr_buff
= kmalloc(INTBUFSIZE
, GFP_KERNEL
);
1551 tp
->intr_interval
= (int)ep_intr
->desc
.bInterval
;
1552 usb_fill_int_urb(tp
->intr_urb
, tp
->udev
, usb_rcvintpipe(tp
->udev
, 3),
1553 tp
->intr_buff
, INTBUFSIZE
, intr_callback
,
1554 tp
, tp
->intr_interval
);
1563 static struct tx_agg
*r8152_get_tx_agg(struct r8152
*tp
)
1565 struct tx_agg
*agg
= NULL
;
1566 unsigned long flags
;
1568 if (list_empty(&tp
->tx_free
))
1571 spin_lock_irqsave(&tp
->tx_lock
, flags
);
1572 if (!list_empty(&tp
->tx_free
)) {
1573 struct list_head
*cursor
;
1575 cursor
= tp
->tx_free
.next
;
1576 list_del_init(cursor
);
1577 agg
= list_entry(cursor
, struct tx_agg
, list
);
1579 spin_unlock_irqrestore(&tp
->tx_lock
, flags
);
1584 /* r8152_csum_workaround()
1585 * The hw limites the value the transport offset. When the offset is out of the
1586 * range, calculate the checksum by sw.
1588 static void r8152_csum_workaround(struct r8152
*tp
, struct sk_buff
*skb
,
1589 struct sk_buff_head
*list
)
1591 if (skb_shinfo(skb
)->gso_size
) {
1592 netdev_features_t features
= tp
->netdev
->features
;
1593 struct sk_buff_head seg_list
;
1594 struct sk_buff
*segs
, *nskb
;
1596 features
&= ~(NETIF_F_SG
| NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1597 segs
= skb_gso_segment(skb
, features
);
1598 if (IS_ERR(segs
) || !segs
)
1601 __skb_queue_head_init(&seg_list
);
1607 __skb_queue_tail(&seg_list
, nskb
);
1610 skb_queue_splice(&seg_list
, list
);
1612 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
1613 if (skb_checksum_help(skb
) < 0)
1616 __skb_queue_head(list
, skb
);
1618 struct net_device_stats
*stats
;
1621 stats
= &tp
->netdev
->stats
;
1622 stats
->tx_dropped
++;
1627 /* msdn_giant_send_check()
1628 * According to the document of microsoft, the TCP Pseudo Header excludes the
1629 * packet length for IPv6 TCP large packets.
1631 static int msdn_giant_send_check(struct sk_buff
*skb
)
1633 const struct ipv6hdr
*ipv6h
;
1637 ret
= skb_cow_head(skb
, 0);
1641 ipv6h
= ipv6_hdr(skb
);
1645 th
->check
= ~tcp_v6_check(0, &ipv6h
->saddr
, &ipv6h
->daddr
, 0);
1650 static inline void rtl_tx_vlan_tag(struct tx_desc
*desc
, struct sk_buff
*skb
)
1652 if (skb_vlan_tag_present(skb
)) {
1655 opts2
= TX_VLAN_TAG
| swab16(skb_vlan_tag_get(skb
));
1656 desc
->opts2
|= cpu_to_le32(opts2
);
1660 static inline void rtl_rx_vlan_tag(struct rx_desc
*desc
, struct sk_buff
*skb
)
1662 u32 opts2
= le32_to_cpu(desc
->opts2
);
1664 if (opts2
& RX_VLAN_TAG
)
1665 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
),
1666 swab16(opts2
& 0xffff));
1669 static int r8152_tx_csum(struct r8152
*tp
, struct tx_desc
*desc
,
1670 struct sk_buff
*skb
, u32 len
, u32 transport_offset
)
1672 u32 mss
= skb_shinfo(skb
)->gso_size
;
1673 u32 opts1
, opts2
= 0;
1674 int ret
= TX_CSUM_SUCCESS
;
1676 WARN_ON_ONCE(len
> TX_LEN_MAX
);
1678 opts1
= len
| TX_FS
| TX_LS
;
1681 if (transport_offset
> GTTCPHO_MAX
) {
1682 netif_warn(tp
, tx_err
, tp
->netdev
,
1683 "Invalid transport offset 0x%x for TSO\n",
1689 switch (vlan_get_protocol(skb
)) {
1690 case htons(ETH_P_IP
):
1694 case htons(ETH_P_IPV6
):
1695 if (msdn_giant_send_check(skb
)) {
1707 opts1
|= transport_offset
<< GTTCPHO_SHIFT
;
1708 opts2
|= min(mss
, MSS_MAX
) << MSS_SHIFT
;
1709 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
1712 if (transport_offset
> TCPHO_MAX
) {
1713 netif_warn(tp
, tx_err
, tp
->netdev
,
1714 "Invalid transport offset 0x%x\n",
1720 switch (vlan_get_protocol(skb
)) {
1721 case htons(ETH_P_IP
):
1723 ip_protocol
= ip_hdr(skb
)->protocol
;
1726 case htons(ETH_P_IPV6
):
1728 ip_protocol
= ipv6_hdr(skb
)->nexthdr
;
1732 ip_protocol
= IPPROTO_RAW
;
1736 if (ip_protocol
== IPPROTO_TCP
)
1738 else if (ip_protocol
== IPPROTO_UDP
)
1743 opts2
|= transport_offset
<< TCPHO_SHIFT
;
1746 desc
->opts2
= cpu_to_le32(opts2
);
1747 desc
->opts1
= cpu_to_le32(opts1
);
1753 static int r8152_tx_agg_fill(struct r8152
*tp
, struct tx_agg
*agg
)
1755 struct sk_buff_head skb_head
, *tx_queue
= &tp
->tx_queue
;
1759 __skb_queue_head_init(&skb_head
);
1760 spin_lock(&tx_queue
->lock
);
1761 skb_queue_splice_init(tx_queue
, &skb_head
);
1762 spin_unlock(&tx_queue
->lock
);
1764 tx_data
= agg
->head
;
1767 remain
= agg_buf_sz
;
1769 while (remain
>= ETH_ZLEN
+ sizeof(struct tx_desc
)) {
1770 struct tx_desc
*tx_desc
;
1771 struct sk_buff
*skb
;
1775 skb
= __skb_dequeue(&skb_head
);
1779 len
= skb
->len
+ sizeof(*tx_desc
);
1782 __skb_queue_head(&skb_head
, skb
);
1786 tx_data
= tx_agg_align(tx_data
);
1787 tx_desc
= (struct tx_desc
*)tx_data
;
1789 offset
= (u32
)skb_transport_offset(skb
);
1791 if (r8152_tx_csum(tp
, tx_desc
, skb
, skb
->len
, offset
)) {
1792 r8152_csum_workaround(tp
, skb
, &skb_head
);
1796 rtl_tx_vlan_tag(tx_desc
, skb
);
1798 tx_data
+= sizeof(*tx_desc
);
1801 if (skb_copy_bits(skb
, 0, tx_data
, len
) < 0) {
1802 struct net_device_stats
*stats
= &tp
->netdev
->stats
;
1804 stats
->tx_dropped
++;
1805 dev_kfree_skb_any(skb
);
1806 tx_data
-= sizeof(*tx_desc
);
1811 agg
->skb_len
+= len
;
1812 agg
->skb_num
+= skb_shinfo(skb
)->gso_segs
?: 1;
1814 dev_kfree_skb_any(skb
);
1816 remain
= agg_buf_sz
- (int)(tx_agg_align(tx_data
) - agg
->head
);
1818 if (test_bit(DELL_TB_RX_AGG_BUG
, &tp
->flags
))
1822 if (!skb_queue_empty(&skb_head
)) {
1823 spin_lock(&tx_queue
->lock
);
1824 skb_queue_splice(&skb_head
, tx_queue
);
1825 spin_unlock(&tx_queue
->lock
);
1828 netif_tx_lock(tp
->netdev
);
1830 if (netif_queue_stopped(tp
->netdev
) &&
1831 skb_queue_len(&tp
->tx_queue
) < tp
->tx_qlen
)
1832 netif_wake_queue(tp
->netdev
);
1834 netif_tx_unlock(tp
->netdev
);
1836 ret
= usb_autopm_get_interface_async(tp
->intf
);
1840 usb_fill_bulk_urb(agg
->urb
, tp
->udev
, usb_sndbulkpipe(tp
->udev
, 2),
1841 agg
->head
, (int)(tx_data
- (u8
*)agg
->head
),
1842 (usb_complete_t
)write_bulk_callback
, agg
);
1844 ret
= usb_submit_urb(agg
->urb
, GFP_ATOMIC
);
1846 usb_autopm_put_interface_async(tp
->intf
);
1852 static u8
r8152_rx_csum(struct r8152
*tp
, struct rx_desc
*rx_desc
)
1854 u8 checksum
= CHECKSUM_NONE
;
1857 if (!(tp
->netdev
->features
& NETIF_F_RXCSUM
))
1860 opts2
= le32_to_cpu(rx_desc
->opts2
);
1861 opts3
= le32_to_cpu(rx_desc
->opts3
);
1863 if (opts2
& RD_IPV4_CS
) {
1865 checksum
= CHECKSUM_NONE
;
1866 else if ((opts2
& RD_UDP_CS
) && !(opts3
& UDPF
))
1867 checksum
= CHECKSUM_UNNECESSARY
;
1868 else if ((opts2
& RD_TCP_CS
) && !(opts3
& TCPF
))
1869 checksum
= CHECKSUM_UNNECESSARY
;
1870 } else if (opts2
& RD_IPV6_CS
) {
1871 if ((opts2
& RD_UDP_CS
) && !(opts3
& UDPF
))
1872 checksum
= CHECKSUM_UNNECESSARY
;
1873 else if ((opts2
& RD_TCP_CS
) && !(opts3
& TCPF
))
1874 checksum
= CHECKSUM_UNNECESSARY
;
1881 static int rx_bottom(struct r8152
*tp
, int budget
)
1883 unsigned long flags
;
1884 struct list_head
*cursor
, *next
, rx_queue
;
1885 int ret
= 0, work_done
= 0;
1886 struct napi_struct
*napi
= &tp
->napi
;
1888 if (!skb_queue_empty(&tp
->rx_queue
)) {
1889 while (work_done
< budget
) {
1890 struct sk_buff
*skb
= __skb_dequeue(&tp
->rx_queue
);
1891 struct net_device
*netdev
= tp
->netdev
;
1892 struct net_device_stats
*stats
= &netdev
->stats
;
1893 unsigned int pkt_len
;
1899 napi_gro_receive(napi
, skb
);
1901 stats
->rx_packets
++;
1902 stats
->rx_bytes
+= pkt_len
;
1906 if (list_empty(&tp
->rx_done
))
1909 INIT_LIST_HEAD(&rx_queue
);
1910 spin_lock_irqsave(&tp
->rx_lock
, flags
);
1911 list_splice_init(&tp
->rx_done
, &rx_queue
);
1912 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
1914 list_for_each_safe(cursor
, next
, &rx_queue
) {
1915 struct rx_desc
*rx_desc
;
1921 list_del_init(cursor
);
1923 agg
= list_entry(cursor
, struct rx_agg
, list
);
1925 if (urb
->actual_length
< ETH_ZLEN
)
1928 rx_desc
= agg
->head
;
1929 rx_data
= agg
->head
;
1930 len_used
+= sizeof(struct rx_desc
);
1932 while (urb
->actual_length
> len_used
) {
1933 struct net_device
*netdev
= tp
->netdev
;
1934 struct net_device_stats
*stats
= &netdev
->stats
;
1935 unsigned int pkt_len
;
1936 struct sk_buff
*skb
;
1938 /* limite the skb numbers for rx_queue */
1939 if (unlikely(skb_queue_len(&tp
->rx_queue
) >= 1000))
1942 pkt_len
= le32_to_cpu(rx_desc
->opts1
) & RX_LEN_MASK
;
1943 if (pkt_len
< ETH_ZLEN
)
1946 len_used
+= pkt_len
;
1947 if (urb
->actual_length
< len_used
)
1950 pkt_len
-= ETH_FCS_LEN
;
1951 rx_data
+= sizeof(struct rx_desc
);
1953 skb
= napi_alloc_skb(napi
, pkt_len
);
1955 stats
->rx_dropped
++;
1959 skb
->ip_summed
= r8152_rx_csum(tp
, rx_desc
);
1960 memcpy(skb
->data
, rx_data
, pkt_len
);
1961 skb_put(skb
, pkt_len
);
1962 skb
->protocol
= eth_type_trans(skb
, netdev
);
1963 rtl_rx_vlan_tag(rx_desc
, skb
);
1964 if (work_done
< budget
) {
1965 napi_gro_receive(napi
, skb
);
1967 stats
->rx_packets
++;
1968 stats
->rx_bytes
+= pkt_len
;
1970 __skb_queue_tail(&tp
->rx_queue
, skb
);
1974 rx_data
= rx_agg_align(rx_data
+ pkt_len
+ ETH_FCS_LEN
);
1975 rx_desc
= (struct rx_desc
*)rx_data
;
1976 len_used
= (int)(rx_data
- (u8
*)agg
->head
);
1977 len_used
+= sizeof(struct rx_desc
);
1982 ret
= r8152_submit_rx(tp
, agg
, GFP_ATOMIC
);
1984 urb
->actual_length
= 0;
1985 list_add_tail(&agg
->list
, next
);
1989 if (!list_empty(&rx_queue
)) {
1990 spin_lock_irqsave(&tp
->rx_lock
, flags
);
1991 list_splice_tail(&rx_queue
, &tp
->rx_done
);
1992 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
1999 static void tx_bottom(struct r8152
*tp
)
2006 if (skb_queue_empty(&tp
->tx_queue
))
2009 agg
= r8152_get_tx_agg(tp
);
2013 res
= r8152_tx_agg_fill(tp
, agg
);
2015 struct net_device
*netdev
= tp
->netdev
;
2017 if (res
== -ENODEV
) {
2018 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
2019 netif_device_detach(netdev
);
2021 struct net_device_stats
*stats
= &netdev
->stats
;
2022 unsigned long flags
;
2024 netif_warn(tp
, tx_err
, netdev
,
2025 "failed tx_urb %d\n", res
);
2026 stats
->tx_dropped
+= agg
->skb_num
;
2028 spin_lock_irqsave(&tp
->tx_lock
, flags
);
2029 list_add_tail(&agg
->list
, &tp
->tx_free
);
2030 spin_unlock_irqrestore(&tp
->tx_lock
, flags
);
2036 static void bottom_half(struct r8152
*tp
)
2038 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
2041 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
2044 /* When link down, the driver would cancel all bulks. */
2045 /* This avoid the re-submitting bulk */
2046 if (!netif_carrier_ok(tp
->netdev
))
2049 clear_bit(SCHEDULE_NAPI
, &tp
->flags
);
2054 static int r8152_poll(struct napi_struct
*napi
, int budget
)
2056 struct r8152
*tp
= container_of(napi
, struct r8152
, napi
);
2059 work_done
= rx_bottom(tp
, budget
);
2062 if (work_done
< budget
) {
2063 if (!napi_complete_done(napi
, work_done
))
2065 if (!list_empty(&tp
->rx_done
))
2066 napi_schedule(napi
);
2067 else if (!skb_queue_empty(&tp
->tx_queue
) &&
2068 !list_empty(&tp
->tx_free
))
2069 napi_schedule(napi
);
2077 int r8152_submit_rx(struct r8152
*tp
, struct rx_agg
*agg
, gfp_t mem_flags
)
2081 /* The rx would be stopped, so skip submitting */
2082 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
) ||
2083 !test_bit(WORK_ENABLE
, &tp
->flags
) || !netif_carrier_ok(tp
->netdev
))
2086 usb_fill_bulk_urb(agg
->urb
, tp
->udev
, usb_rcvbulkpipe(tp
->udev
, 1),
2087 agg
->head
, agg_buf_sz
,
2088 (usb_complete_t
)read_bulk_callback
, agg
);
2090 ret
= usb_submit_urb(agg
->urb
, mem_flags
);
2091 if (ret
== -ENODEV
) {
2092 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
2093 netif_device_detach(tp
->netdev
);
2095 struct urb
*urb
= agg
->urb
;
2096 unsigned long flags
;
2098 urb
->actual_length
= 0;
2099 spin_lock_irqsave(&tp
->rx_lock
, flags
);
2100 list_add_tail(&agg
->list
, &tp
->rx_done
);
2101 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
2103 netif_err(tp
, rx_err
, tp
->netdev
,
2104 "Couldn't submit rx[%p], ret = %d\n", agg
, ret
);
2106 napi_schedule(&tp
->napi
);
2112 static void rtl_drop_queued_tx(struct r8152
*tp
)
2114 struct net_device_stats
*stats
= &tp
->netdev
->stats
;
2115 struct sk_buff_head skb_head
, *tx_queue
= &tp
->tx_queue
;
2116 struct sk_buff
*skb
;
2118 if (skb_queue_empty(tx_queue
))
2121 __skb_queue_head_init(&skb_head
);
2122 spin_lock_bh(&tx_queue
->lock
);
2123 skb_queue_splice_init(tx_queue
, &skb_head
);
2124 spin_unlock_bh(&tx_queue
->lock
);
2126 while ((skb
= __skb_dequeue(&skb_head
))) {
2128 stats
->tx_dropped
++;
2132 static void rtl8152_tx_timeout(struct net_device
*netdev
)
2134 struct r8152
*tp
= netdev_priv(netdev
);
2136 netif_warn(tp
, tx_err
, netdev
, "Tx timeout\n");
2138 usb_queue_reset_device(tp
->intf
);
2141 static void rtl8152_set_rx_mode(struct net_device
*netdev
)
2143 struct r8152
*tp
= netdev_priv(netdev
);
2145 if (netif_carrier_ok(netdev
)) {
2146 set_bit(RTL8152_SET_RX_MODE
, &tp
->flags
);
2147 schedule_delayed_work(&tp
->schedule
, 0);
2151 static void _rtl8152_set_rx_mode(struct net_device
*netdev
)
2153 struct r8152
*tp
= netdev_priv(netdev
);
2154 u32 mc_filter
[2]; /* Multicast hash filter */
2158 netif_stop_queue(netdev
);
2159 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
2160 ocp_data
&= ~RCR_ACPT_ALL
;
2161 ocp_data
|= RCR_AB
| RCR_APM
;
2163 if (netdev
->flags
& IFF_PROMISC
) {
2164 /* Unconditionally log net taps. */
2165 netif_notice(tp
, link
, netdev
, "Promiscuous mode enabled\n");
2166 ocp_data
|= RCR_AM
| RCR_AAP
;
2167 mc_filter
[1] = 0xffffffff;
2168 mc_filter
[0] = 0xffffffff;
2169 } else if ((netdev_mc_count(netdev
) > multicast_filter_limit
) ||
2170 (netdev
->flags
& IFF_ALLMULTI
)) {
2171 /* Too many to filter perfectly -- accept all multicasts. */
2173 mc_filter
[1] = 0xffffffff;
2174 mc_filter
[0] = 0xffffffff;
2176 struct netdev_hw_addr
*ha
;
2180 netdev_for_each_mc_addr(ha
, netdev
) {
2181 int bit_nr
= ether_crc(ETH_ALEN
, ha
->addr
) >> 26;
2183 mc_filter
[bit_nr
>> 5] |= 1 << (bit_nr
& 31);
2188 tmp
[0] = __cpu_to_le32(swab32(mc_filter
[1]));
2189 tmp
[1] = __cpu_to_le32(swab32(mc_filter
[0]));
2191 pla_ocp_write(tp
, PLA_MAR
, BYTE_EN_DWORD
, sizeof(tmp
), tmp
);
2192 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
2193 netif_wake_queue(netdev
);
2196 static netdev_features_t
2197 rtl8152_features_check(struct sk_buff
*skb
, struct net_device
*dev
,
2198 netdev_features_t features
)
2200 u32 mss
= skb_shinfo(skb
)->gso_size
;
2201 int max_offset
= mss
? GTTCPHO_MAX
: TCPHO_MAX
;
2202 int offset
= skb_transport_offset(skb
);
2204 if ((mss
|| skb
->ip_summed
== CHECKSUM_PARTIAL
) && offset
> max_offset
)
2205 features
&= ~(NETIF_F_CSUM_MASK
| NETIF_F_GSO_MASK
);
2206 else if ((skb
->len
+ sizeof(struct tx_desc
)) > agg_buf_sz
)
2207 features
&= ~NETIF_F_GSO_MASK
;
2212 static netdev_tx_t
rtl8152_start_xmit(struct sk_buff
*skb
,
2213 struct net_device
*netdev
)
2215 struct r8152
*tp
= netdev_priv(netdev
);
2217 skb_tx_timestamp(skb
);
2219 skb_queue_tail(&tp
->tx_queue
, skb
);
2221 if (!list_empty(&tp
->tx_free
)) {
2222 if (test_bit(SELECTIVE_SUSPEND
, &tp
->flags
)) {
2223 set_bit(SCHEDULE_NAPI
, &tp
->flags
);
2224 schedule_delayed_work(&tp
->schedule
, 0);
2226 usb_mark_last_busy(tp
->udev
);
2227 napi_schedule(&tp
->napi
);
2229 } else if (skb_queue_len(&tp
->tx_queue
) > tp
->tx_qlen
) {
2230 netif_stop_queue(netdev
);
2233 return NETDEV_TX_OK
;
2236 static void r8152b_reset_packet_filter(struct r8152
*tp
)
2240 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_FMC
);
2241 ocp_data
&= ~FMC_FCR_MCU_EN
;
2242 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_FMC
, ocp_data
);
2243 ocp_data
|= FMC_FCR_MCU_EN
;
2244 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_FMC
, ocp_data
);
2247 static void rtl8152_nic_reset(struct r8152
*tp
)
2251 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CR
, CR_RST
);
2253 for (i
= 0; i
< 1000; i
++) {
2254 if (!(ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_CR
) & CR_RST
))
2256 usleep_range(100, 400);
2260 static void set_tx_qlen(struct r8152
*tp
)
2262 struct net_device
*netdev
= tp
->netdev
;
2264 tp
->tx_qlen
= agg_buf_sz
/ (netdev
->mtu
+ VLAN_ETH_HLEN
+ ETH_FCS_LEN
+
2265 sizeof(struct tx_desc
));
2268 static inline u8
rtl8152_get_speed(struct r8152
*tp
)
2270 return ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_PHYSTATUS
);
2273 static void rtl_set_eee_plus(struct r8152
*tp
)
2278 speed
= rtl8152_get_speed(tp
);
2279 if (speed
& _10bps
) {
2280 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEEP_CR
);
2281 ocp_data
|= EEEP_CR_EEEP_TX
;
2282 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EEEP_CR
, ocp_data
);
2284 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEEP_CR
);
2285 ocp_data
&= ~EEEP_CR_EEEP_TX
;
2286 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EEEP_CR
, ocp_data
);
2290 static void rxdy_gated_en(struct r8152
*tp
, bool enable
)
2294 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_MISC_1
);
2296 ocp_data
|= RXDY_GATED_EN
;
2298 ocp_data
&= ~RXDY_GATED_EN
;
2299 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MISC_1
, ocp_data
);
2302 static int rtl_start_rx(struct r8152
*tp
)
2306 INIT_LIST_HEAD(&tp
->rx_done
);
2307 for (i
= 0; i
< RTL8152_MAX_RX
; i
++) {
2308 INIT_LIST_HEAD(&tp
->rx_info
[i
].list
);
2309 ret
= r8152_submit_rx(tp
, &tp
->rx_info
[i
], GFP_KERNEL
);
2314 if (ret
&& ++i
< RTL8152_MAX_RX
) {
2315 struct list_head rx_queue
;
2316 unsigned long flags
;
2318 INIT_LIST_HEAD(&rx_queue
);
2321 struct rx_agg
*agg
= &tp
->rx_info
[i
++];
2322 struct urb
*urb
= agg
->urb
;
2324 urb
->actual_length
= 0;
2325 list_add_tail(&agg
->list
, &rx_queue
);
2326 } while (i
< RTL8152_MAX_RX
);
2328 spin_lock_irqsave(&tp
->rx_lock
, flags
);
2329 list_splice_tail(&rx_queue
, &tp
->rx_done
);
2330 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
2336 static int rtl_stop_rx(struct r8152
*tp
)
2340 for (i
= 0; i
< RTL8152_MAX_RX
; i
++)
2341 usb_kill_urb(tp
->rx_info
[i
].urb
);
2343 while (!skb_queue_empty(&tp
->rx_queue
))
2344 dev_kfree_skb(__skb_dequeue(&tp
->rx_queue
));
2349 static int rtl_enable(struct r8152
*tp
)
2353 r8152b_reset_packet_filter(tp
);
2355 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_CR
);
2356 ocp_data
|= CR_RE
| CR_TE
;
2357 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CR
, ocp_data
);
2359 rxdy_gated_en(tp
, false);
2364 static int rtl8152_enable(struct r8152
*tp
)
2366 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
2370 rtl_set_eee_plus(tp
);
2372 return rtl_enable(tp
);
2375 static inline void r8153b_rx_agg_chg_indicate(struct r8152
*tp
)
2377 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_UPT_RXDMA_OWN
,
2378 OWN_UPDATE
| OWN_CLEAR
);
2381 static void r8153_set_rx_early_timeout(struct r8152
*tp
)
2383 u32 ocp_data
= tp
->coalesce
/ 8;
2385 switch (tp
->version
) {
2390 ocp_write_word(tp
, MCU_TYPE_USB
, USB_RX_EARLY_TIMEOUT
,
2396 /* The RTL8153B uses USB_RX_EXTRA_AGGR_TMR for rx timeout
2397 * primarily. For USB_RX_EARLY_TIMEOUT, we fix it to 128ns.
2399 ocp_write_word(tp
, MCU_TYPE_USB
, USB_RX_EARLY_TIMEOUT
,
2401 ocp_write_word(tp
, MCU_TYPE_USB
, USB_RX_EXTRA_AGGR_TMR
,
2403 r8153b_rx_agg_chg_indicate(tp
);
2411 static void r8153_set_rx_early_size(struct r8152
*tp
)
2413 u32 ocp_data
= agg_buf_sz
- rx_reserved_size(tp
->netdev
->mtu
);
2415 switch (tp
->version
) {
2420 ocp_write_word(tp
, MCU_TYPE_USB
, USB_RX_EARLY_SIZE
,
2425 ocp_write_word(tp
, MCU_TYPE_USB
, USB_RX_EARLY_SIZE
,
2427 r8153b_rx_agg_chg_indicate(tp
);
2435 static int rtl8153_enable(struct r8152
*tp
)
2437 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
2441 rtl_set_eee_plus(tp
);
2442 r8153_set_rx_early_timeout(tp
);
2443 r8153_set_rx_early_size(tp
);
2445 return rtl_enable(tp
);
2448 static void rtl_disable(struct r8152
*tp
)
2453 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
2454 rtl_drop_queued_tx(tp
);
2458 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
2459 ocp_data
&= ~RCR_ACPT_ALL
;
2460 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
2462 rtl_drop_queued_tx(tp
);
2464 for (i
= 0; i
< RTL8152_MAX_TX
; i
++)
2465 usb_kill_urb(tp
->tx_info
[i
].urb
);
2467 rxdy_gated_en(tp
, true);
2469 for (i
= 0; i
< 1000; i
++) {
2470 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2471 if ((ocp_data
& FIFO_EMPTY
) == FIFO_EMPTY
)
2473 usleep_range(1000, 2000);
2476 for (i
= 0; i
< 1000; i
++) {
2477 if (ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
) & TCR0_TX_EMPTY
)
2479 usleep_range(1000, 2000);
2484 rtl8152_nic_reset(tp
);
2487 static void r8152_power_cut_en(struct r8152
*tp
, bool enable
)
2491 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_UPS_CTRL
);
2493 ocp_data
|= POWER_CUT
;
2495 ocp_data
&= ~POWER_CUT
;
2496 ocp_write_word(tp
, MCU_TYPE_USB
, USB_UPS_CTRL
, ocp_data
);
2498 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_PM_CTRL_STATUS
);
2499 ocp_data
&= ~RESUME_INDICATE
;
2500 ocp_write_word(tp
, MCU_TYPE_USB
, USB_PM_CTRL_STATUS
, ocp_data
);
2503 static void rtl_rx_vlan_en(struct r8152
*tp
, bool enable
)
2507 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CPCR
);
2509 ocp_data
|= CPCR_RX_VLAN
;
2511 ocp_data
&= ~CPCR_RX_VLAN
;
2512 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CPCR
, ocp_data
);
2515 static int rtl8152_set_features(struct net_device
*dev
,
2516 netdev_features_t features
)
2518 netdev_features_t changed
= features
^ dev
->features
;
2519 struct r8152
*tp
= netdev_priv(dev
);
2522 ret
= usb_autopm_get_interface(tp
->intf
);
2526 mutex_lock(&tp
->control
);
2528 if (changed
& NETIF_F_HW_VLAN_CTAG_RX
) {
2529 if (features
& NETIF_F_HW_VLAN_CTAG_RX
)
2530 rtl_rx_vlan_en(tp
, true);
2532 rtl_rx_vlan_en(tp
, false);
2535 mutex_unlock(&tp
->control
);
2537 usb_autopm_put_interface(tp
->intf
);
2543 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
2545 static u32
__rtl_get_wol(struct r8152
*tp
)
2550 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
);
2551 if (ocp_data
& LINK_ON_WAKE_EN
)
2552 wolopts
|= WAKE_PHY
;
2554 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG5
);
2555 if (ocp_data
& UWF_EN
)
2556 wolopts
|= WAKE_UCAST
;
2557 if (ocp_data
& BWF_EN
)
2558 wolopts
|= WAKE_BCAST
;
2559 if (ocp_data
& MWF_EN
)
2560 wolopts
|= WAKE_MCAST
;
2562 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CFG_WOL
);
2563 if (ocp_data
& MAGIC_EN
)
2564 wolopts
|= WAKE_MAGIC
;
2569 static void __rtl_set_wol(struct r8152
*tp
, u32 wolopts
)
2573 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_CONFIG
);
2575 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
);
2576 ocp_data
&= ~LINK_ON_WAKE_EN
;
2577 if (wolopts
& WAKE_PHY
)
2578 ocp_data
|= LINK_ON_WAKE_EN
;
2579 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
, ocp_data
);
2581 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG5
);
2582 ocp_data
&= ~(UWF_EN
| BWF_EN
| MWF_EN
);
2583 if (wolopts
& WAKE_UCAST
)
2585 if (wolopts
& WAKE_BCAST
)
2587 if (wolopts
& WAKE_MCAST
)
2589 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG5
, ocp_data
);
2591 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
2593 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CFG_WOL
);
2594 ocp_data
&= ~MAGIC_EN
;
2595 if (wolopts
& WAKE_MAGIC
)
2596 ocp_data
|= MAGIC_EN
;
2597 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CFG_WOL
, ocp_data
);
2599 if (wolopts
& WAKE_ANY
)
2600 device_set_wakeup_enable(&tp
->udev
->dev
, true);
2602 device_set_wakeup_enable(&tp
->udev
->dev
, false);
2605 static void r8153_mac_clk_spd(struct r8152
*tp
, bool enable
)
2607 /* MAC clock speed down */
2609 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL
,
2611 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL2
,
2613 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL3
,
2614 PKT_AVAIL_SPDWN_EN
| SUSPEND_SPDWN_EN
|
2615 U1U2_SPDWN_EN
| L1_SPDWN_EN
);
2616 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL4
,
2617 PWRSAVE_SPDWN_EN
| RXDV_SPDWN_EN
| TX10MIDLE_EN
|
2618 TP100_SPDWN_EN
| TP500_SPDWN_EN
| EEE_SPDWN_EN
|
2621 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL
, 0);
2622 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL2
, 0);
2623 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL3
, 0);
2624 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL4
, 0);
2628 static void r8153_u1u2en(struct r8152
*tp
, bool enable
)
2633 memset(u1u2
, 0xff, sizeof(u1u2
));
2635 memset(u1u2
, 0x00, sizeof(u1u2
));
2637 usb_ocp_write(tp
, USB_TOLERANCE
, BYTE_EN_SIX_BYTES
, sizeof(u1u2
), u1u2
);
2640 static void r8153b_u1u2en(struct r8152
*tp
, bool enable
)
2644 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_LPM_CONFIG
);
2646 ocp_data
|= LPM_U1U2_EN
;
2648 ocp_data
&= ~LPM_U1U2_EN
;
2650 ocp_write_word(tp
, MCU_TYPE_USB
, USB_LPM_CONFIG
, ocp_data
);
2653 static void r8153_u2p3en(struct r8152
*tp
, bool enable
)
2657 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_U2P3_CTRL
);
2659 ocp_data
|= U2P3_ENABLE
;
2661 ocp_data
&= ~U2P3_ENABLE
;
2662 ocp_write_word(tp
, MCU_TYPE_USB
, USB_U2P3_CTRL
, ocp_data
);
2665 static void r8153b_ups_flags_w1w0(struct r8152
*tp
, u32 set
, u32 clear
)
2669 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_USB
, USB_UPS_FLAGS
);
2672 ocp_write_dword(tp
, MCU_TYPE_USB
, USB_UPS_FLAGS
, ocp_data
);
2675 static void r8153b_green_en(struct r8152
*tp
, bool enable
)
2680 sram_write(tp
, 0x8045, 0); /* 10M abiq&ldvbias */
2681 sram_write(tp
, 0x804d, 0x1222); /* 100M short abiq&ldvbias */
2682 sram_write(tp
, 0x805d, 0x0022); /* 1000M short abiq&ldvbias */
2684 sram_write(tp
, 0x8045, 0x2444); /* 10M abiq&ldvbias */
2685 sram_write(tp
, 0x804d, 0x2444); /* 100M short abiq&ldvbias */
2686 sram_write(tp
, 0x805d, 0x2444); /* 1000M short abiq&ldvbias */
2689 data
= sram_read(tp
, SRAM_GREEN_CFG
);
2690 data
|= GREEN_ETH_EN
;
2691 sram_write(tp
, SRAM_GREEN_CFG
, data
);
2693 r8153b_ups_flags_w1w0(tp
, UPS_FLAGS_EN_GREEN
, 0);
2696 static u16
r8153_phy_status(struct r8152
*tp
, u16 desired
)
2701 for (i
= 0; i
< 500; i
++) {
2702 data
= ocp_reg_read(tp
, OCP_PHY_STATUS
);
2703 data
&= PHY_STAT_MASK
;
2705 if (data
== desired
)
2707 } else if (data
== PHY_STAT_LAN_ON
|| data
== PHY_STAT_PWRDN
||
2708 data
== PHY_STAT_EXT_INIT
) {
2718 static void r8153b_ups_en(struct r8152
*tp
, bool enable
)
2720 u32 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_POWER_CUT
);
2723 ocp_data
|= UPS_EN
| USP_PREWAKE
| PHASE2_EN
;
2724 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_POWER_CUT
, ocp_data
);
2726 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, 0xcfff);
2728 ocp_write_byte(tp
, MCU_TYPE_USB
, 0xcfff, ocp_data
);
2732 ocp_data
&= ~(UPS_EN
| USP_PREWAKE
);
2733 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_POWER_CUT
, ocp_data
);
2735 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, 0xcfff);
2736 ocp_data
&= ~BIT(0);
2737 ocp_write_byte(tp
, MCU_TYPE_USB
, 0xcfff, ocp_data
);
2739 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_MISC_0
);
2740 ocp_data
&= ~PCUT_STATUS
;
2741 ocp_write_word(tp
, MCU_TYPE_USB
, USB_MISC_0
, ocp_data
);
2743 data
= r8153_phy_status(tp
, 0);
2746 case PHY_STAT_PWRDN
:
2747 case PHY_STAT_EXT_INIT
:
2749 test_bit(GREEN_ETHERNET
, &tp
->flags
));
2751 data
= r8152_mdio_read(tp
, MII_BMCR
);
2752 data
&= ~BMCR_PDOWN
;
2754 r8152_mdio_write(tp
, MII_BMCR
, data
);
2756 data
= r8153_phy_status(tp
, PHY_STAT_LAN_ON
);
2760 if (data
!= PHY_STAT_LAN_ON
)
2761 netif_warn(tp
, link
, tp
->netdev
,
2768 static void r8153_power_cut_en(struct r8152
*tp
, bool enable
)
2772 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_POWER_CUT
);
2774 ocp_data
|= PWR_EN
| PHASE2_EN
;
2776 ocp_data
&= ~(PWR_EN
| PHASE2_EN
);
2777 ocp_write_word(tp
, MCU_TYPE_USB
, USB_POWER_CUT
, ocp_data
);
2779 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_MISC_0
);
2780 ocp_data
&= ~PCUT_STATUS
;
2781 ocp_write_word(tp
, MCU_TYPE_USB
, USB_MISC_0
, ocp_data
);
2784 static void r8153b_power_cut_en(struct r8152
*tp
, bool enable
)
2788 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_POWER_CUT
);
2790 ocp_data
|= PWR_EN
| PHASE2_EN
;
2792 ocp_data
&= ~PWR_EN
;
2793 ocp_write_word(tp
, MCU_TYPE_USB
, USB_POWER_CUT
, ocp_data
);
2795 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_MISC_0
);
2796 ocp_data
&= ~PCUT_STATUS
;
2797 ocp_write_word(tp
, MCU_TYPE_USB
, USB_MISC_0
, ocp_data
);
2800 static void r8153b_queue_wake(struct r8152
*tp
, bool enable
)
2804 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, 0xd38a);
2808 ocp_data
&= ~BIT(0);
2809 ocp_write_byte(tp
, MCU_TYPE_PLA
, 0xd38a, ocp_data
);
2811 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, 0xd38c);
2812 ocp_data
&= ~BIT(0);
2813 ocp_write_byte(tp
, MCU_TYPE_PLA
, 0xd38c, ocp_data
);
2816 static bool rtl_can_wakeup(struct r8152
*tp
)
2818 struct usb_device
*udev
= tp
->udev
;
2820 return (udev
->actconfig
->desc
.bmAttributes
& USB_CONFIG_ATT_WAKEUP
);
2823 static void rtl_runtime_suspend_enable(struct r8152
*tp
, bool enable
)
2828 __rtl_set_wol(tp
, WAKE_ANY
);
2830 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_CONFIG
);
2832 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
);
2833 ocp_data
|= LINK_OFF_WAKE_EN
;
2834 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
, ocp_data
);
2836 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
2840 __rtl_set_wol(tp
, tp
->saved_wolopts
);
2842 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_CONFIG
);
2844 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
);
2845 ocp_data
&= ~LINK_OFF_WAKE_EN
;
2846 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
, ocp_data
);
2848 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
2852 static void rtl8153_runtime_enable(struct r8152
*tp
, bool enable
)
2855 r8153_u1u2en(tp
, false);
2856 r8153_u2p3en(tp
, false);
2857 r8153_mac_clk_spd(tp
, true);
2858 rtl_runtime_suspend_enable(tp
, true);
2860 rtl_runtime_suspend_enable(tp
, false);
2861 r8153_mac_clk_spd(tp
, false);
2863 switch (tp
->version
) {
2870 r8153_u2p3en(tp
, true);
2874 r8153_u1u2en(tp
, true);
2878 static void rtl8153b_runtime_enable(struct r8152
*tp
, bool enable
)
2881 r8153b_queue_wake(tp
, true);
2882 r8153b_u1u2en(tp
, false);
2883 r8153_u2p3en(tp
, false);
2884 rtl_runtime_suspend_enable(tp
, true);
2885 r8153b_ups_en(tp
, true);
2887 r8153b_ups_en(tp
, false);
2888 r8153b_queue_wake(tp
, false);
2889 rtl_runtime_suspend_enable(tp
, false);
2890 r8153_u2p3en(tp
, true);
2891 r8153b_u1u2en(tp
, true);
2895 static void r8153_teredo_off(struct r8152
*tp
)
2899 switch (tp
->version
) {
2907 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
);
2908 ocp_data
&= ~(TEREDO_SEL
| TEREDO_RS_EVENT_MASK
|
2910 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
, ocp_data
);
2915 /* The bit 0 ~ 7 are relative with teredo settings. They are
2916 * W1C (write 1 to clear), so set all 1 to disable it.
2918 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
, 0xff);
2925 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_WDT6_CTRL
, WDT6_SET_MODE
);
2926 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_REALWOW_TIMER
, 0);
2927 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_TEREDO_TIMER
, 0);
2930 static void rtl_reset_bmu(struct r8152
*tp
)
2934 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_BMU_RESET
);
2935 ocp_data
&= ~(BMU_RESET_EP_IN
| BMU_RESET_EP_OUT
);
2936 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_BMU_RESET
, ocp_data
);
2937 ocp_data
|= BMU_RESET_EP_IN
| BMU_RESET_EP_OUT
;
2938 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_BMU_RESET
, ocp_data
);
2941 static void r8152_aldps_en(struct r8152
*tp
, bool enable
)
2944 ocp_reg_write(tp
, OCP_ALDPS_CONFIG
, ENPWRSAVE
| ENPDNPS
|
2945 LINKENA
| DIS_SDSAVE
);
2947 ocp_reg_write(tp
, OCP_ALDPS_CONFIG
, ENPDNPS
| LINKENA
|
2953 static inline void r8152_mmd_indirect(struct r8152
*tp
, u16 dev
, u16 reg
)
2955 ocp_reg_write(tp
, OCP_EEE_AR
, FUN_ADDR
| dev
);
2956 ocp_reg_write(tp
, OCP_EEE_DATA
, reg
);
2957 ocp_reg_write(tp
, OCP_EEE_AR
, FUN_DATA
| dev
);
2960 static u16
r8152_mmd_read(struct r8152
*tp
, u16 dev
, u16 reg
)
2964 r8152_mmd_indirect(tp
, dev
, reg
);
2965 data
= ocp_reg_read(tp
, OCP_EEE_DATA
);
2966 ocp_reg_write(tp
, OCP_EEE_AR
, 0x0000);
2971 static void r8152_mmd_write(struct r8152
*tp
, u16 dev
, u16 reg
, u16 data
)
2973 r8152_mmd_indirect(tp
, dev
, reg
);
2974 ocp_reg_write(tp
, OCP_EEE_DATA
, data
);
2975 ocp_reg_write(tp
, OCP_EEE_AR
, 0x0000);
2978 static void r8152_eee_en(struct r8152
*tp
, bool enable
)
2980 u16 config1
, config2
, config3
;
2983 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
);
2984 config1
= ocp_reg_read(tp
, OCP_EEE_CONFIG1
) & ~sd_rise_time_mask
;
2985 config2
= ocp_reg_read(tp
, OCP_EEE_CONFIG2
);
2986 config3
= ocp_reg_read(tp
, OCP_EEE_CONFIG3
) & ~fast_snr_mask
;
2989 ocp_data
|= EEE_RX_EN
| EEE_TX_EN
;
2990 config1
|= EEE_10_CAP
| EEE_NWAY_EN
| TX_QUIET_EN
| RX_QUIET_EN
;
2991 config1
|= sd_rise_time(1);
2992 config2
|= RG_DACQUIET_EN
| RG_LDVQUIET_EN
;
2993 config3
|= fast_snr(42);
2995 ocp_data
&= ~(EEE_RX_EN
| EEE_TX_EN
);
2996 config1
&= ~(EEE_10_CAP
| EEE_NWAY_EN
| TX_QUIET_EN
|
2998 config1
|= sd_rise_time(7);
2999 config2
&= ~(RG_DACQUIET_EN
| RG_LDVQUIET_EN
);
3000 config3
|= fast_snr(511);
3003 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
, ocp_data
);
3004 ocp_reg_write(tp
, OCP_EEE_CONFIG1
, config1
);
3005 ocp_reg_write(tp
, OCP_EEE_CONFIG2
, config2
);
3006 ocp_reg_write(tp
, OCP_EEE_CONFIG3
, config3
);
3009 static void r8152b_enable_eee(struct r8152
*tp
)
3011 r8152_eee_en(tp
, true);
3012 r8152_mmd_write(tp
, MDIO_MMD_AN
, MDIO_AN_EEE_ADV
, MDIO_EEE_100TX
);
3015 static void r8152b_enable_fc(struct r8152
*tp
)
3019 anar
= r8152_mdio_read(tp
, MII_ADVERTISE
);
3020 anar
|= ADVERTISE_PAUSE_CAP
| ADVERTISE_PAUSE_ASYM
;
3021 r8152_mdio_write(tp
, MII_ADVERTISE
, anar
);
3024 static void rtl8152_disable(struct r8152
*tp
)
3026 r8152_aldps_en(tp
, false);
3028 r8152_aldps_en(tp
, true);
3031 static void r8152b_hw_phy_cfg(struct r8152
*tp
)
3033 r8152b_enable_eee(tp
);
3034 r8152_aldps_en(tp
, true);
3035 r8152b_enable_fc(tp
);
3037 set_bit(PHY_RESET
, &tp
->flags
);
3040 static void r8152b_exit_oob(struct r8152
*tp
)
3045 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
3046 ocp_data
&= ~RCR_ACPT_ALL
;
3047 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
3049 rxdy_gated_en(tp
, true);
3050 r8153_teredo_off(tp
);
3051 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
3052 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CR
, 0x00);
3054 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3055 ocp_data
&= ~NOW_IS_OOB
;
3056 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
3058 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
3059 ocp_data
&= ~MCU_BORW_EN
;
3060 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
3062 for (i
= 0; i
< 1000; i
++) {
3063 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3064 if (ocp_data
& LINK_LIST_READY
)
3066 usleep_range(1000, 2000);
3069 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
3070 ocp_data
|= RE_INIT_LL
;
3071 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
3073 for (i
= 0; i
< 1000; i
++) {
3074 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3075 if (ocp_data
& LINK_LIST_READY
)
3077 usleep_range(1000, 2000);
3080 rtl8152_nic_reset(tp
);
3082 /* rx share fifo credit full threshold */
3083 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL0
, RXFIFO_THR1_NORMAL
);
3085 if (tp
->udev
->speed
== USB_SPEED_FULL
||
3086 tp
->udev
->speed
== USB_SPEED_LOW
) {
3087 /* rx share fifo credit near full threshold */
3088 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL1
,
3090 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL2
,
3093 /* rx share fifo credit near full threshold */
3094 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL1
,
3096 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL2
,
3100 /* TX share fifo free credit full threshold */
3101 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_TXFIFO_CTRL
, TXFIFO_THR_NORMAL
);
3103 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_TX_AGG
, TX_AGG_MAX_THRESHOLD
);
3104 ocp_write_dword(tp
, MCU_TYPE_USB
, USB_RX_BUF_TH
, RX_THR_HIGH
);
3105 ocp_write_dword(tp
, MCU_TYPE_USB
, USB_TX_DMA
,
3106 TEST_MODE_DISABLE
| TX_SIZE_ADJUST1
);
3108 rtl_rx_vlan_en(tp
, tp
->netdev
->features
& NETIF_F_HW_VLAN_CTAG_RX
);
3110 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, RTL8152_RMS
);
3112 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
);
3113 ocp_data
|= TCR0_AUTO_FIFO
;
3114 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
, ocp_data
);
3117 static void r8152b_enter_oob(struct r8152
*tp
)
3122 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3123 ocp_data
&= ~NOW_IS_OOB
;
3124 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
3126 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL0
, RXFIFO_THR1_OOB
);
3127 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL1
, RXFIFO_THR2_OOB
);
3128 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL2
, RXFIFO_THR3_OOB
);
3132 for (i
= 0; i
< 1000; i
++) {
3133 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3134 if (ocp_data
& LINK_LIST_READY
)
3136 usleep_range(1000, 2000);
3139 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
3140 ocp_data
|= RE_INIT_LL
;
3141 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
3143 for (i
= 0; i
< 1000; i
++) {
3144 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3145 if (ocp_data
& LINK_LIST_READY
)
3147 usleep_range(1000, 2000);
3150 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, RTL8152_RMS
);
3152 rtl_rx_vlan_en(tp
, true);
3154 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PAL_BDC_CR
);
3155 ocp_data
|= ALDPS_PROXY_MODE
;
3156 ocp_write_word(tp
, MCU_TYPE_PLA
, PAL_BDC_CR
, ocp_data
);
3158 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3159 ocp_data
|= NOW_IS_OOB
| DIS_MCU_CLROOB
;
3160 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
3162 rxdy_gated_en(tp
, false);
3164 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
3165 ocp_data
|= RCR_APM
| RCR_AM
| RCR_AB
;
3166 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
3169 static int r8153_patch_request(struct r8152
*tp
, bool request
)
3174 data
= ocp_reg_read(tp
, OCP_PHY_PATCH_CMD
);
3176 data
|= PATCH_REQUEST
;
3178 data
&= ~PATCH_REQUEST
;
3179 ocp_reg_write(tp
, OCP_PHY_PATCH_CMD
, data
);
3181 for (i
= 0; request
&& i
< 5000; i
++) {
3182 usleep_range(1000, 2000);
3183 if (ocp_reg_read(tp
, OCP_PHY_PATCH_STAT
) & PATCH_READY
)
3187 if (request
&& !(ocp_reg_read(tp
, OCP_PHY_PATCH_STAT
) & PATCH_READY
)) {
3188 netif_err(tp
, drv
, tp
->netdev
, "patch request fail\n");
3189 r8153_patch_request(tp
, false);
3196 static void r8153_aldps_en(struct r8152
*tp
, bool enable
)
3200 data
= ocp_reg_read(tp
, OCP_POWER_CFG
);
3203 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
3208 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
3209 for (i
= 0; i
< 20; i
++) {
3210 usleep_range(1000, 2000);
3211 if (ocp_read_word(tp
, MCU_TYPE_PLA
, 0xe000) & 0x0100)
3217 static void r8153b_aldps_en(struct r8152
*tp
, bool enable
)
3219 r8153_aldps_en(tp
, enable
);
3222 r8153b_ups_flags_w1w0(tp
, UPS_FLAGS_EN_ALDPS
, 0);
3224 r8153b_ups_flags_w1w0(tp
, 0, UPS_FLAGS_EN_ALDPS
);
3227 static void r8153_eee_en(struct r8152
*tp
, bool enable
)
3232 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
);
3233 config
= ocp_reg_read(tp
, OCP_EEE_CFG
);
3236 ocp_data
|= EEE_RX_EN
| EEE_TX_EN
;
3239 ocp_data
&= ~(EEE_RX_EN
| EEE_TX_EN
);
3240 config
&= ~EEE10_EN
;
3243 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
, ocp_data
);
3244 ocp_reg_write(tp
, OCP_EEE_CFG
, config
);
3247 static void r8153b_eee_en(struct r8152
*tp
, bool enable
)
3249 r8153_eee_en(tp
, enable
);
3252 r8153b_ups_flags_w1w0(tp
, UPS_FLAGS_EN_EEE
, 0);
3254 r8153b_ups_flags_w1w0(tp
, 0, UPS_FLAGS_EN_EEE
);
3257 static void r8153b_enable_fc(struct r8152
*tp
)
3259 r8152b_enable_fc(tp
);
3260 r8153b_ups_flags_w1w0(tp
, UPS_FLAGS_EN_FLOW_CTR
, 0);
3263 static void r8153_hw_phy_cfg(struct r8152
*tp
)
3268 /* disable ALDPS before updating the PHY parameters */
3269 r8153_aldps_en(tp
, false);
3271 /* disable EEE before updating the PHY parameters */
3272 r8153_eee_en(tp
, false);
3273 ocp_reg_write(tp
, OCP_EEE_ADV
, 0);
3275 if (tp
->version
== RTL_VER_03
) {
3276 data
= ocp_reg_read(tp
, OCP_EEE_CFG
);
3277 data
&= ~CTAP_SHORT_EN
;
3278 ocp_reg_write(tp
, OCP_EEE_CFG
, data
);
3281 data
= ocp_reg_read(tp
, OCP_POWER_CFG
);
3282 data
|= EEE_CLKDIV_EN
;
3283 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
3285 data
= ocp_reg_read(tp
, OCP_DOWN_SPEED
);
3286 data
|= EN_10M_BGOFF
;
3287 ocp_reg_write(tp
, OCP_DOWN_SPEED
, data
);
3288 data
= ocp_reg_read(tp
, OCP_POWER_CFG
);
3289 data
|= EN_10M_PLLOFF
;
3290 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
3291 sram_write(tp
, SRAM_IMPEDANCE
, 0x0b13);
3293 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
);
3294 ocp_data
|= PFM_PWM_SWITCH
;
3295 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
, ocp_data
);
3297 /* Enable LPF corner auto tune */
3298 sram_write(tp
, SRAM_LPF_CFG
, 0xf70f);
3300 /* Adjust 10M Amplitude */
3301 sram_write(tp
, SRAM_10M_AMP1
, 0x00af);
3302 sram_write(tp
, SRAM_10M_AMP2
, 0x0208);
3304 r8153_eee_en(tp
, true);
3305 ocp_reg_write(tp
, OCP_EEE_ADV
, MDIO_EEE_1000T
| MDIO_EEE_100TX
);
3307 r8153_aldps_en(tp
, true);
3308 r8152b_enable_fc(tp
);
3310 switch (tp
->version
) {
3317 r8153_u2p3en(tp
, true);
3321 set_bit(PHY_RESET
, &tp
->flags
);
3324 static u32
r8152_efuse_read(struct r8152
*tp
, u8 addr
)
3328 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EFUSE_CMD
, EFUSE_READ_CMD
| addr
);
3329 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EFUSE_CMD
);
3330 ocp_data
= (ocp_data
& EFUSE_DATA_BIT16
) << 9; /* data of bit16 */
3331 ocp_data
|= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EFUSE_DATA
);
3336 static void r8153b_hw_phy_cfg(struct r8152
*tp
)
3338 u32 ocp_data
, ups_flags
= 0;
3341 /* disable ALDPS before updating the PHY parameters */
3342 r8153b_aldps_en(tp
, false);
3344 /* disable EEE before updating the PHY parameters */
3345 r8153b_eee_en(tp
, false);
3346 ocp_reg_write(tp
, OCP_EEE_ADV
, 0);
3348 r8153b_green_en(tp
, test_bit(GREEN_ETHERNET
, &tp
->flags
));
3350 data
= sram_read(tp
, SRAM_GREEN_CFG
);
3352 sram_write(tp
, SRAM_GREEN_CFG
, data
);
3353 data
= ocp_reg_read(tp
, OCP_NCTL_CFG
);
3354 data
|= PGA_RETURN_EN
;
3355 ocp_reg_write(tp
, OCP_NCTL_CFG
, data
);
3357 /* ADC Bias Calibration:
3358 * read efuse offset 0x7d to get a 17-bit data. Remove the dummy/fake
3359 * bit (bit3) to rebuild the real 16-bit data. Write the data to the
3362 ocp_data
= r8152_efuse_read(tp
, 0x7d);
3363 data
= (u16
)(((ocp_data
& 0x1fff0) >> 1) | (ocp_data
& 0x7));
3365 ocp_reg_write(tp
, OCP_ADC_IOFFSET
, data
);
3367 /* ups mode tx-link-pulse timing adjustment:
3368 * rg_saw_cnt = OCP reg 0xC426 Bit[13:0]
3369 * swr_cnt_1ms_ini = 16000000 / rg_saw_cnt
3371 ocp_data
= ocp_reg_read(tp
, 0xc426);
3374 u32 swr_cnt_1ms_ini
;
3376 swr_cnt_1ms_ini
= (16000000 / ocp_data
) & SAW_CNT_1MS_MASK
;
3377 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_UPS_CFG
);
3378 ocp_data
= (ocp_data
& ~SAW_CNT_1MS_MASK
) | swr_cnt_1ms_ini
;
3379 ocp_write_word(tp
, MCU_TYPE_USB
, USB_UPS_CFG
, ocp_data
);
3382 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
);
3383 ocp_data
|= PFM_PWM_SWITCH
;
3384 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
, ocp_data
);
3387 if (!r8153_patch_request(tp
, true)) {
3388 data
= ocp_reg_read(tp
, OCP_POWER_CFG
);
3389 data
|= EEE_CLKDIV_EN
;
3390 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
3392 data
= ocp_reg_read(tp
, OCP_DOWN_SPEED
);
3393 data
|= EN_EEE_CMODE
| EN_EEE_1000
| EN_10M_CLKDIV
;
3394 ocp_reg_write(tp
, OCP_DOWN_SPEED
, data
);
3396 ocp_reg_write(tp
, OCP_SYSCLK_CFG
, 0);
3397 ocp_reg_write(tp
, OCP_SYSCLK_CFG
, clk_div_expo(5));
3399 ups_flags
|= UPS_FLAGS_EN_10M_CKDIV
| UPS_FLAGS_250M_CKDIV
|
3400 UPS_FLAGS_EN_EEE_CKDIV
| UPS_FLAGS_EEE_CMOD_LV_EN
|
3401 UPS_FLAGS_EEE_PLLOFF_GIGA
;
3403 r8153_patch_request(tp
, false);
3406 r8153b_ups_flags_w1w0(tp
, ups_flags
, 0);
3408 r8153b_eee_en(tp
, true);
3409 ocp_reg_write(tp
, OCP_EEE_ADV
, MDIO_EEE_1000T
| MDIO_EEE_100TX
);
3411 r8153b_aldps_en(tp
, true);
3412 r8153b_enable_fc(tp
);
3413 r8153_u2p3en(tp
, true);
3415 set_bit(PHY_RESET
, &tp
->flags
);
3418 static void r8153_first_init(struct r8152
*tp
)
3423 r8153_mac_clk_spd(tp
, false);
3424 rxdy_gated_en(tp
, true);
3425 r8153_teredo_off(tp
);
3427 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
3428 ocp_data
&= ~RCR_ACPT_ALL
;
3429 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
3431 rtl8152_nic_reset(tp
);
3434 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3435 ocp_data
&= ~NOW_IS_OOB
;
3436 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
3438 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
3439 ocp_data
&= ~MCU_BORW_EN
;
3440 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
3442 for (i
= 0; i
< 1000; i
++) {
3443 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3444 if (ocp_data
& LINK_LIST_READY
)
3446 usleep_range(1000, 2000);
3449 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
3450 ocp_data
|= RE_INIT_LL
;
3451 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
3453 for (i
= 0; i
< 1000; i
++) {
3454 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3455 if (ocp_data
& LINK_LIST_READY
)
3457 usleep_range(1000, 2000);
3460 rtl_rx_vlan_en(tp
, tp
->netdev
->features
& NETIF_F_HW_VLAN_CTAG_RX
);
3462 ocp_data
= tp
->netdev
->mtu
+ VLAN_ETH_HLEN
+ ETH_FCS_LEN
;
3463 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, ocp_data
);
3464 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_MTPS
, MTPS_JUMBO
);
3466 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
);
3467 ocp_data
|= TCR0_AUTO_FIFO
;
3468 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
, ocp_data
);
3470 rtl8152_nic_reset(tp
);
3472 /* rx share fifo credit full threshold */
3473 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL0
, RXFIFO_THR1_NORMAL
);
3474 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL1
, RXFIFO_THR2_NORMAL
);
3475 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL2
, RXFIFO_THR3_NORMAL
);
3476 /* TX share fifo free credit full threshold */
3477 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_TXFIFO_CTRL
, TXFIFO_THR_NORMAL2
);
3480 static void r8153_enter_oob(struct r8152
*tp
)
3485 r8153_mac_clk_spd(tp
, true);
3487 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3488 ocp_data
&= ~NOW_IS_OOB
;
3489 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
3494 for (i
= 0; i
< 1000; i
++) {
3495 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3496 if (ocp_data
& LINK_LIST_READY
)
3498 usleep_range(1000, 2000);
3501 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
3502 ocp_data
|= RE_INIT_LL
;
3503 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
3505 for (i
= 0; i
< 1000; i
++) {
3506 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3507 if (ocp_data
& LINK_LIST_READY
)
3509 usleep_range(1000, 2000);
3512 ocp_data
= tp
->netdev
->mtu
+ VLAN_ETH_HLEN
+ ETH_FCS_LEN
;
3513 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, ocp_data
);
3515 switch (tp
->version
) {
3520 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
);
3521 ocp_data
&= ~TEREDO_WAKE_MASK
;
3522 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
, ocp_data
);
3527 /* Clear teredo wake event. bit[15:8] is the teredo wakeup
3528 * type. Set it to zero. bits[7:0] are the W1C bits about
3529 * the events. Set them to all 1 to clear them.
3531 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_WAKE_BASE
, 0x00ff);
3538 rtl_rx_vlan_en(tp
, true);
3540 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PAL_BDC_CR
);
3541 ocp_data
|= ALDPS_PROXY_MODE
;
3542 ocp_write_word(tp
, MCU_TYPE_PLA
, PAL_BDC_CR
, ocp_data
);
3544 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
3545 ocp_data
|= NOW_IS_OOB
| DIS_MCU_CLROOB
;
3546 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
3548 rxdy_gated_en(tp
, false);
3550 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
3551 ocp_data
|= RCR_APM
| RCR_AM
| RCR_AB
;
3552 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
3555 static void rtl8153_disable(struct r8152
*tp
)
3557 r8153_aldps_en(tp
, false);
3560 r8153_aldps_en(tp
, true);
3563 static void rtl8153b_disable(struct r8152
*tp
)
3565 r8153b_aldps_en(tp
, false);
3568 r8153b_aldps_en(tp
, true);
3571 static int rtl8152_set_speed(struct r8152
*tp
, u8 autoneg
, u16 speed
, u8 duplex
)
3573 u16 bmcr
, anar
, gbcr
;
3574 enum spd_duplex speed_duplex
;
3577 anar
= r8152_mdio_read(tp
, MII_ADVERTISE
);
3578 anar
&= ~(ADVERTISE_10HALF
| ADVERTISE_10FULL
|
3579 ADVERTISE_100HALF
| ADVERTISE_100FULL
);
3580 if (tp
->mii
.supports_gmii
) {
3581 gbcr
= r8152_mdio_read(tp
, MII_CTRL1000
);
3582 gbcr
&= ~(ADVERTISE_1000FULL
| ADVERTISE_1000HALF
);
3587 if (autoneg
== AUTONEG_DISABLE
) {
3588 if (speed
== SPEED_10
) {
3590 anar
|= ADVERTISE_10HALF
| ADVERTISE_10FULL
;
3591 speed_duplex
= FORCE_10M_HALF
;
3592 } else if (speed
== SPEED_100
) {
3593 bmcr
= BMCR_SPEED100
;
3594 anar
|= ADVERTISE_100HALF
| ADVERTISE_100FULL
;
3595 speed_duplex
= FORCE_100M_HALF
;
3596 } else if (speed
== SPEED_1000
&& tp
->mii
.supports_gmii
) {
3597 bmcr
= BMCR_SPEED1000
;
3598 gbcr
|= ADVERTISE_1000FULL
| ADVERTISE_1000HALF
;
3599 speed_duplex
= NWAY_1000M_FULL
;
3605 if (duplex
== DUPLEX_FULL
) {
3606 bmcr
|= BMCR_FULLDPLX
;
3607 if (speed
!= SPEED_1000
)
3611 if (speed
== SPEED_10
) {
3612 if (duplex
== DUPLEX_FULL
) {
3613 anar
|= ADVERTISE_10HALF
| ADVERTISE_10FULL
;
3614 speed_duplex
= NWAY_10M_FULL
;
3616 anar
|= ADVERTISE_10HALF
;
3617 speed_duplex
= NWAY_10M_HALF
;
3619 } else if (speed
== SPEED_100
) {
3620 if (duplex
== DUPLEX_FULL
) {
3621 anar
|= ADVERTISE_10HALF
| ADVERTISE_10FULL
;
3622 anar
|= ADVERTISE_100HALF
| ADVERTISE_100FULL
;
3623 speed_duplex
= NWAY_100M_FULL
;
3625 anar
|= ADVERTISE_10HALF
;
3626 anar
|= ADVERTISE_100HALF
;
3627 speed_duplex
= NWAY_100M_HALF
;
3629 } else if (speed
== SPEED_1000
&& tp
->mii
.supports_gmii
) {
3630 if (duplex
== DUPLEX_FULL
) {
3631 anar
|= ADVERTISE_10HALF
| ADVERTISE_10FULL
;
3632 anar
|= ADVERTISE_100HALF
| ADVERTISE_100FULL
;
3633 gbcr
|= ADVERTISE_1000FULL
| ADVERTISE_1000HALF
;
3635 anar
|= ADVERTISE_10HALF
;
3636 anar
|= ADVERTISE_100HALF
;
3637 gbcr
|= ADVERTISE_1000HALF
;
3639 speed_duplex
= NWAY_1000M_FULL
;
3645 bmcr
= BMCR_ANENABLE
| BMCR_ANRESTART
;
3648 if (test_and_clear_bit(PHY_RESET
, &tp
->flags
))
3651 if (tp
->mii
.supports_gmii
)
3652 r8152_mdio_write(tp
, MII_CTRL1000
, gbcr
);
3654 r8152_mdio_write(tp
, MII_ADVERTISE
, anar
);
3655 r8152_mdio_write(tp
, MII_BMCR
, bmcr
);
3657 switch (tp
->version
) {
3660 r8153b_ups_flags_w1w0(tp
, ups_flags_speed(speed_duplex
),
3661 UPS_FLAGS_SPEED_MASK
);
3668 if (bmcr
& BMCR_RESET
) {
3671 for (i
= 0; i
< 50; i
++) {
3673 if ((r8152_mdio_read(tp
, MII_BMCR
) & BMCR_RESET
) == 0)
3682 static void rtl8152_up(struct r8152
*tp
)
3684 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3687 r8152_aldps_en(tp
, false);
3688 r8152b_exit_oob(tp
);
3689 r8152_aldps_en(tp
, true);
3692 static void rtl8152_down(struct r8152
*tp
)
3694 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
3695 rtl_drop_queued_tx(tp
);
3699 r8152_power_cut_en(tp
, false);
3700 r8152_aldps_en(tp
, false);
3701 r8152b_enter_oob(tp
);
3702 r8152_aldps_en(tp
, true);
3705 static void rtl8153_up(struct r8152
*tp
)
3707 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3710 r8153_u1u2en(tp
, false);
3711 r8153_u2p3en(tp
, false);
3712 r8153_aldps_en(tp
, false);
3713 r8153_first_init(tp
);
3714 r8153_aldps_en(tp
, true);
3716 switch (tp
->version
) {
3723 r8153_u2p3en(tp
, true);
3727 r8153_u1u2en(tp
, true);
3730 static void rtl8153_down(struct r8152
*tp
)
3732 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
3733 rtl_drop_queued_tx(tp
);
3737 r8153_u1u2en(tp
, false);
3738 r8153_u2p3en(tp
, false);
3739 r8153_power_cut_en(tp
, false);
3740 r8153_aldps_en(tp
, false);
3741 r8153_enter_oob(tp
);
3742 r8153_aldps_en(tp
, true);
3745 static void rtl8153b_up(struct r8152
*tp
)
3747 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3750 r8153b_u1u2en(tp
, false);
3751 r8153_u2p3en(tp
, false);
3752 r8153b_aldps_en(tp
, false);
3754 r8153_first_init(tp
);
3755 ocp_write_dword(tp
, MCU_TYPE_USB
, USB_RX_BUF_TH
, RX_THR_B
);
3757 r8153b_aldps_en(tp
, true);
3758 r8153_u2p3en(tp
, true);
3759 r8153b_u1u2en(tp
, true);
3762 static void rtl8153b_down(struct r8152
*tp
)
3764 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
3765 rtl_drop_queued_tx(tp
);
3769 r8153b_u1u2en(tp
, false);
3770 r8153_u2p3en(tp
, false);
3771 r8153b_power_cut_en(tp
, false);
3772 r8153b_aldps_en(tp
, false);
3773 r8153_enter_oob(tp
);
3774 r8153b_aldps_en(tp
, true);
3777 static bool rtl8152_in_nway(struct r8152
*tp
)
3781 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_OCP_GPHY_BASE
, 0x2000);
3782 tp
->ocp_base
= 0x2000;
3783 ocp_write_byte(tp
, MCU_TYPE_PLA
, 0xb014, 0x4c); /* phy state */
3784 nway_state
= ocp_read_word(tp
, MCU_TYPE_PLA
, 0xb01a);
3786 /* bit 15: TXDIS_STATE, bit 14: ABD_STATE */
3787 if (nway_state
& 0xc000)
3793 static bool rtl8153_in_nway(struct r8152
*tp
)
3795 u16 phy_state
= ocp_reg_read(tp
, OCP_PHY_STATE
) & 0xff;
3797 if (phy_state
== TXDIS_STATE
|| phy_state
== ABD_STATE
)
3803 static void set_carrier(struct r8152
*tp
)
3805 struct net_device
*netdev
= tp
->netdev
;
3806 struct napi_struct
*napi
= &tp
->napi
;
3809 speed
= rtl8152_get_speed(tp
);
3811 if (speed
& LINK_STATUS
) {
3812 if (!netif_carrier_ok(netdev
)) {
3813 tp
->rtl_ops
.enable(tp
);
3814 netif_stop_queue(netdev
);
3816 netif_carrier_on(netdev
);
3818 clear_bit(RTL8152_SET_RX_MODE
, &tp
->flags
);
3819 _rtl8152_set_rx_mode(netdev
);
3820 napi_enable(&tp
->napi
);
3821 netif_wake_queue(netdev
);
3822 netif_info(tp
, link
, netdev
, "carrier on\n");
3823 } else if (netif_queue_stopped(netdev
) &&
3824 skb_queue_len(&tp
->tx_queue
) < tp
->tx_qlen
) {
3825 netif_wake_queue(netdev
);
3828 if (netif_carrier_ok(netdev
)) {
3829 netif_carrier_off(netdev
);
3831 tp
->rtl_ops
.disable(tp
);
3833 netif_info(tp
, link
, netdev
, "carrier off\n");
3838 static void rtl_work_func_t(struct work_struct
*work
)
3840 struct r8152
*tp
= container_of(work
, struct r8152
, schedule
.work
);
3842 /* If the device is unplugged or !netif_running(), the workqueue
3843 * doesn't need to wake the device, and could return directly.
3845 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
) || !netif_running(tp
->netdev
))
3848 if (usb_autopm_get_interface(tp
->intf
) < 0)
3851 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
3854 if (!mutex_trylock(&tp
->control
)) {
3855 schedule_delayed_work(&tp
->schedule
, 0);
3859 if (test_and_clear_bit(RTL8152_LINK_CHG
, &tp
->flags
))
3862 if (test_and_clear_bit(RTL8152_SET_RX_MODE
, &tp
->flags
))
3863 _rtl8152_set_rx_mode(tp
->netdev
);
3865 /* don't schedule napi before linking */
3866 if (test_and_clear_bit(SCHEDULE_NAPI
, &tp
->flags
) &&
3867 netif_carrier_ok(tp
->netdev
))
3868 napi_schedule(&tp
->napi
);
3870 mutex_unlock(&tp
->control
);
3873 usb_autopm_put_interface(tp
->intf
);
3876 static void rtl_hw_phy_work_func_t(struct work_struct
*work
)
3878 struct r8152
*tp
= container_of(work
, struct r8152
, hw_phy_work
.work
);
3880 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3883 if (usb_autopm_get_interface(tp
->intf
) < 0)
3886 mutex_lock(&tp
->control
);
3888 tp
->rtl_ops
.hw_phy_cfg(tp
);
3890 rtl8152_set_speed(tp
, tp
->autoneg
, tp
->speed
, tp
->duplex
);
3892 mutex_unlock(&tp
->control
);
3894 usb_autopm_put_interface(tp
->intf
);
3897 #ifdef CONFIG_PM_SLEEP
3898 static int rtl_notifier(struct notifier_block
*nb
, unsigned long action
,
3901 struct r8152
*tp
= container_of(nb
, struct r8152
, pm_notifier
);
3904 case PM_HIBERNATION_PREPARE
:
3905 case PM_SUSPEND_PREPARE
:
3906 usb_autopm_get_interface(tp
->intf
);
3909 case PM_POST_HIBERNATION
:
3910 case PM_POST_SUSPEND
:
3911 usb_autopm_put_interface(tp
->intf
);
3914 case PM_POST_RESTORE
:
3915 case PM_RESTORE_PREPARE
:
3924 static int rtl8152_open(struct net_device
*netdev
)
3926 struct r8152
*tp
= netdev_priv(netdev
);
3929 res
= alloc_all_mem(tp
);
3933 res
= usb_autopm_get_interface(tp
->intf
);
3937 mutex_lock(&tp
->control
);
3941 netif_carrier_off(netdev
);
3942 netif_start_queue(netdev
);
3943 set_bit(WORK_ENABLE
, &tp
->flags
);
3945 res
= usb_submit_urb(tp
->intr_urb
, GFP_KERNEL
);
3948 netif_device_detach(tp
->netdev
);
3949 netif_warn(tp
, ifup
, netdev
, "intr_urb submit failed: %d\n",
3953 napi_enable(&tp
->napi
);
3955 mutex_unlock(&tp
->control
);
3957 usb_autopm_put_interface(tp
->intf
);
3958 #ifdef CONFIG_PM_SLEEP
3959 tp
->pm_notifier
.notifier_call
= rtl_notifier
;
3960 register_pm_notifier(&tp
->pm_notifier
);
3965 mutex_unlock(&tp
->control
);
3966 usb_autopm_put_interface(tp
->intf
);
3973 static int rtl8152_close(struct net_device
*netdev
)
3975 struct r8152
*tp
= netdev_priv(netdev
);
3978 #ifdef CONFIG_PM_SLEEP
3979 unregister_pm_notifier(&tp
->pm_notifier
);
3981 if (!test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3982 napi_disable(&tp
->napi
);
3983 clear_bit(WORK_ENABLE
, &tp
->flags
);
3984 usb_kill_urb(tp
->intr_urb
);
3985 cancel_delayed_work_sync(&tp
->schedule
);
3986 netif_stop_queue(netdev
);
3988 res
= usb_autopm_get_interface(tp
->intf
);
3989 if (res
< 0 || test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
3990 rtl_drop_queued_tx(tp
);
3993 mutex_lock(&tp
->control
);
3995 tp
->rtl_ops
.down(tp
);
3997 mutex_unlock(&tp
->control
);
3999 usb_autopm_put_interface(tp
->intf
);
4007 static void rtl_tally_reset(struct r8152
*tp
)
4011 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_RSTTALLY
);
4012 ocp_data
|= TALLY_RESET
;
4013 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RSTTALLY
, ocp_data
);
4016 static void r8152b_init(struct r8152
*tp
)
4021 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
4024 data
= r8152_mdio_read(tp
, MII_BMCR
);
4025 if (data
& BMCR_PDOWN
) {
4026 data
&= ~BMCR_PDOWN
;
4027 r8152_mdio_write(tp
, MII_BMCR
, data
);
4030 r8152_aldps_en(tp
, false);
4032 if (tp
->version
== RTL_VER_01
) {
4033 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_LED_FEATURE
);
4034 ocp_data
&= ~LED_MODE_MASK
;
4035 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_LED_FEATURE
, ocp_data
);
4038 r8152_power_cut_en(tp
, false);
4040 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
);
4041 ocp_data
|= TX_10M_IDLE_EN
| PFM_PWM_SWITCH
;
4042 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
, ocp_data
);
4043 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL
);
4044 ocp_data
&= ~MCU_CLK_RATIO_MASK
;
4045 ocp_data
|= MCU_CLK_RATIO
| D3_CLK_GATED_EN
;
4046 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL
, ocp_data
);
4047 ocp_data
= GPHY_STS_MSK
| SPEED_DOWN_MSK
|
4048 SPDWN_RXDV_MSK
| SPDWN_LINKCHG_MSK
;
4049 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_GPHY_INTR_IMR
, ocp_data
);
4051 rtl_tally_reset(tp
);
4053 /* enable rx aggregation */
4054 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
);
4055 ocp_data
&= ~(RX_AGG_DISABLE
| RX_ZERO_EN
);
4056 ocp_write_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
, ocp_data
);
4059 static void r8153_init(struct r8152
*tp
)
4065 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
4068 r8153_u1u2en(tp
, false);
4070 for (i
= 0; i
< 500; i
++) {
4071 if (ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_BOOT_CTRL
) &
4077 data
= r8153_phy_status(tp
, 0);
4079 if (tp
->version
== RTL_VER_03
|| tp
->version
== RTL_VER_04
||
4080 tp
->version
== RTL_VER_05
)
4081 ocp_reg_write(tp
, OCP_ADC_CFG
, CKADSEL_L
| ADC_EN
| EN_EMI_L
);
4083 data
= r8152_mdio_read(tp
, MII_BMCR
);
4084 if (data
& BMCR_PDOWN
) {
4085 data
&= ~BMCR_PDOWN
;
4086 r8152_mdio_write(tp
, MII_BMCR
, data
);
4089 data
= r8153_phy_status(tp
, PHY_STAT_LAN_ON
);
4091 r8153_u2p3en(tp
, false);
4093 if (tp
->version
== RTL_VER_04
) {
4094 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_SSPHYLINK2
);
4095 ocp_data
&= ~pwd_dn_scale_mask
;
4096 ocp_data
|= pwd_dn_scale(96);
4097 ocp_write_word(tp
, MCU_TYPE_USB
, USB_SSPHYLINK2
, ocp_data
);
4099 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_USB2PHY
);
4100 ocp_data
|= USB2PHY_L1
| USB2PHY_SUSPEND
;
4101 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_USB2PHY
, ocp_data
);
4102 } else if (tp
->version
== RTL_VER_05
) {
4103 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_DMY_REG0
);
4104 ocp_data
&= ~ECM_ALDPS
;
4105 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_DMY_REG0
, ocp_data
);
4107 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY1
);
4108 if (ocp_read_word(tp
, MCU_TYPE_USB
, USB_BURST_SIZE
) == 0)
4109 ocp_data
&= ~DYNAMIC_BURST
;
4111 ocp_data
|= DYNAMIC_BURST
;
4112 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY1
, ocp_data
);
4113 } else if (tp
->version
== RTL_VER_06
) {
4114 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY1
);
4115 if (ocp_read_word(tp
, MCU_TYPE_USB
, USB_BURST_SIZE
) == 0)
4116 ocp_data
&= ~DYNAMIC_BURST
;
4118 ocp_data
|= DYNAMIC_BURST
;
4119 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY1
, ocp_data
);
4122 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY2
);
4123 ocp_data
|= EP4_FULL_FC
;
4124 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY2
, ocp_data
);
4126 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_WDT11_CTRL
);
4127 ocp_data
&= ~TIMER11_EN
;
4128 ocp_write_word(tp
, MCU_TYPE_USB
, USB_WDT11_CTRL
, ocp_data
);
4130 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_LED_FEATURE
);
4131 ocp_data
&= ~LED_MODE_MASK
;
4132 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_LED_FEATURE
, ocp_data
);
4134 ocp_data
= FIFO_EMPTY_1FB
| ROK_EXIT_LPM
;
4135 if (tp
->version
== RTL_VER_04
&& tp
->udev
->speed
< USB_SPEED_SUPER
)
4136 ocp_data
|= LPM_TIMER_500MS
;
4138 ocp_data
|= LPM_TIMER_500US
;
4139 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_LPM_CTRL
, ocp_data
);
4141 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_AFE_CTRL2
);
4142 ocp_data
&= ~SEN_VAL_MASK
;
4143 ocp_data
|= SEN_VAL_NORMAL
| SEL_RXIDLE
;
4144 ocp_write_word(tp
, MCU_TYPE_USB
, USB_AFE_CTRL2
, ocp_data
);
4146 ocp_write_word(tp
, MCU_TYPE_USB
, USB_CONNECT_TIMER
, 0x0001);
4148 r8153_power_cut_en(tp
, false);
4149 r8153_u1u2en(tp
, true);
4150 r8153_mac_clk_spd(tp
, false);
4151 usb_enable_lpm(tp
->udev
);
4153 /* rx aggregation */
4154 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
);
4155 ocp_data
&= ~(RX_AGG_DISABLE
| RX_ZERO_EN
);
4156 if (test_bit(DELL_TB_RX_AGG_BUG
, &tp
->flags
))
4157 ocp_data
|= RX_AGG_DISABLE
;
4159 ocp_write_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
, ocp_data
);
4161 rtl_tally_reset(tp
);
4163 switch (tp
->udev
->speed
) {
4164 case USB_SPEED_SUPER
:
4165 case USB_SPEED_SUPER_PLUS
:
4166 tp
->coalesce
= COALESCE_SUPER
;
4168 case USB_SPEED_HIGH
:
4169 tp
->coalesce
= COALESCE_HIGH
;
4172 tp
->coalesce
= COALESCE_SLOW
;
4177 static void r8153b_init(struct r8152
*tp
)
4183 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
4186 r8153b_u1u2en(tp
, false);
4188 for (i
= 0; i
< 500; i
++) {
4189 if (ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_BOOT_CTRL
) &
4195 data
= r8153_phy_status(tp
, 0);
4197 data
= r8152_mdio_read(tp
, MII_BMCR
);
4198 if (data
& BMCR_PDOWN
) {
4199 data
&= ~BMCR_PDOWN
;
4200 r8152_mdio_write(tp
, MII_BMCR
, data
);
4203 data
= r8153_phy_status(tp
, PHY_STAT_LAN_ON
);
4205 r8153_u2p3en(tp
, false);
4207 /* MSC timer = 0xfff * 8ms = 32760 ms */
4208 ocp_write_word(tp
, MCU_TYPE_USB
, USB_MSC_TIMER
, 0x0fff);
4210 /* U1/U2/L1 idle timer. 500 us */
4211 ocp_write_word(tp
, MCU_TYPE_USB
, USB_U1U2_TIMER
, 500);
4213 r8153b_power_cut_en(tp
, false);
4214 r8153b_ups_en(tp
, false);
4215 r8153b_queue_wake(tp
, false);
4216 rtl_runtime_suspend_enable(tp
, false);
4217 r8153b_u1u2en(tp
, true);
4218 usb_enable_lpm(tp
->udev
);
4220 /* MAC clock speed down */
4221 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL2
);
4222 ocp_data
|= MAC_CLK_SPDWN_EN
;
4223 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL2
, ocp_data
);
4225 set_bit(GREEN_ETHERNET
, &tp
->flags
);
4227 /* rx aggregation */
4228 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
);
4229 ocp_data
&= ~(RX_AGG_DISABLE
| RX_ZERO_EN
);
4230 ocp_write_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
, ocp_data
);
4232 rtl_tally_reset(tp
);
4234 tp
->coalesce
= 15000; /* 15 us */
4237 static int rtl8152_pre_reset(struct usb_interface
*intf
)
4239 struct r8152
*tp
= usb_get_intfdata(intf
);
4240 struct net_device
*netdev
;
4245 netdev
= tp
->netdev
;
4246 if (!netif_running(netdev
))
4249 netif_stop_queue(netdev
);
4250 napi_disable(&tp
->napi
);
4251 clear_bit(WORK_ENABLE
, &tp
->flags
);
4252 usb_kill_urb(tp
->intr_urb
);
4253 cancel_delayed_work_sync(&tp
->schedule
);
4254 if (netif_carrier_ok(netdev
)) {
4255 mutex_lock(&tp
->control
);
4256 tp
->rtl_ops
.disable(tp
);
4257 mutex_unlock(&tp
->control
);
4263 static int rtl8152_post_reset(struct usb_interface
*intf
)
4265 struct r8152
*tp
= usb_get_intfdata(intf
);
4266 struct net_device
*netdev
;
4271 netdev
= tp
->netdev
;
4272 if (!netif_running(netdev
))
4275 set_bit(WORK_ENABLE
, &tp
->flags
);
4276 if (netif_carrier_ok(netdev
)) {
4277 mutex_lock(&tp
->control
);
4278 tp
->rtl_ops
.enable(tp
);
4280 _rtl8152_set_rx_mode(netdev
);
4281 mutex_unlock(&tp
->control
);
4284 napi_enable(&tp
->napi
);
4285 netif_wake_queue(netdev
);
4286 usb_submit_urb(tp
->intr_urb
, GFP_KERNEL
);
4288 if (!list_empty(&tp
->rx_done
))
4289 napi_schedule(&tp
->napi
);
4294 static bool delay_autosuspend(struct r8152
*tp
)
4296 bool sw_linking
= !!netif_carrier_ok(tp
->netdev
);
4297 bool hw_linking
= !!(rtl8152_get_speed(tp
) & LINK_STATUS
);
4299 /* This means a linking change occurs and the driver doesn't detect it,
4300 * yet. If the driver has disabled tx/rx and hw is linking on, the
4301 * device wouldn't wake up by receiving any packet.
4303 if (work_busy(&tp
->schedule
.work
) || sw_linking
!= hw_linking
)
4306 /* If the linking down is occurred by nway, the device may miss the
4307 * linking change event. And it wouldn't wake when linking on.
4309 if (!sw_linking
&& tp
->rtl_ops
.in_nway(tp
))
4311 else if (!skb_queue_empty(&tp
->tx_queue
))
4317 static int rtl8152_runtime_resume(struct r8152
*tp
)
4319 struct net_device
*netdev
= tp
->netdev
;
4321 if (netif_running(netdev
) && netdev
->flags
& IFF_UP
) {
4322 struct napi_struct
*napi
= &tp
->napi
;
4324 tp
->rtl_ops
.autosuspend_en(tp
, false);
4326 set_bit(WORK_ENABLE
, &tp
->flags
);
4328 if (netif_carrier_ok(netdev
)) {
4329 if (rtl8152_get_speed(tp
) & LINK_STATUS
) {
4332 netif_carrier_off(netdev
);
4333 tp
->rtl_ops
.disable(tp
);
4334 netif_info(tp
, link
, netdev
, "linking down\n");
4339 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
4340 smp_mb__after_atomic();
4342 if (!list_empty(&tp
->rx_done
))
4343 napi_schedule(&tp
->napi
);
4345 usb_submit_urb(tp
->intr_urb
, GFP_NOIO
);
4347 if (netdev
->flags
& IFF_UP
)
4348 tp
->rtl_ops
.autosuspend_en(tp
, false);
4350 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
4356 static int rtl8152_system_resume(struct r8152
*tp
)
4358 struct net_device
*netdev
= tp
->netdev
;
4360 netif_device_attach(netdev
);
4362 if (netif_running(netdev
) && netdev
->flags
& IFF_UP
) {
4364 netif_carrier_off(netdev
);
4365 set_bit(WORK_ENABLE
, &tp
->flags
);
4366 usb_submit_urb(tp
->intr_urb
, GFP_NOIO
);
4372 static int rtl8152_runtime_suspend(struct r8152
*tp
)
4374 struct net_device
*netdev
= tp
->netdev
;
4377 set_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
4378 smp_mb__after_atomic();
4380 if (netif_running(netdev
) && test_bit(WORK_ENABLE
, &tp
->flags
)) {
4383 if (netif_carrier_ok(netdev
)) {
4386 rcr
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
4387 ocp_data
= rcr
& ~RCR_ACPT_ALL
;
4388 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
4389 rxdy_gated_en(tp
, true);
4390 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
,
4392 if (!(ocp_data
& RXFIFO_EMPTY
)) {
4393 rxdy_gated_en(tp
, false);
4394 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, rcr
);
4395 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
4396 smp_mb__after_atomic();
4402 clear_bit(WORK_ENABLE
, &tp
->flags
);
4403 usb_kill_urb(tp
->intr_urb
);
4405 tp
->rtl_ops
.autosuspend_en(tp
, true);
4407 if (netif_carrier_ok(netdev
)) {
4408 struct napi_struct
*napi
= &tp
->napi
;
4412 rxdy_gated_en(tp
, false);
4413 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, rcr
);
4417 if (delay_autosuspend(tp
)) {
4418 rtl8152_runtime_resume(tp
);
4427 static int rtl8152_system_suspend(struct r8152
*tp
)
4429 struct net_device
*netdev
= tp
->netdev
;
4431 netif_device_detach(netdev
);
4433 if (netif_running(netdev
) && test_bit(WORK_ENABLE
, &tp
->flags
)) {
4434 struct napi_struct
*napi
= &tp
->napi
;
4436 clear_bit(WORK_ENABLE
, &tp
->flags
);
4437 usb_kill_urb(tp
->intr_urb
);
4439 cancel_delayed_work_sync(&tp
->schedule
);
4440 tp
->rtl_ops
.down(tp
);
4447 static int rtl8152_suspend(struct usb_interface
*intf
, pm_message_t message
)
4449 struct r8152
*tp
= usb_get_intfdata(intf
);
4452 mutex_lock(&tp
->control
);
4454 if (PMSG_IS_AUTO(message
))
4455 ret
= rtl8152_runtime_suspend(tp
);
4457 ret
= rtl8152_system_suspend(tp
);
4459 mutex_unlock(&tp
->control
);
4464 static int rtl8152_resume(struct usb_interface
*intf
)
4466 struct r8152
*tp
= usb_get_intfdata(intf
);
4469 mutex_lock(&tp
->control
);
4471 if (test_bit(SELECTIVE_SUSPEND
, &tp
->flags
))
4472 ret
= rtl8152_runtime_resume(tp
);
4474 ret
= rtl8152_system_resume(tp
);
4476 mutex_unlock(&tp
->control
);
4481 static int rtl8152_reset_resume(struct usb_interface
*intf
)
4483 struct r8152
*tp
= usb_get_intfdata(intf
);
4485 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
4486 mutex_lock(&tp
->control
);
4487 tp
->rtl_ops
.init(tp
);
4488 queue_delayed_work(system_long_wq
, &tp
->hw_phy_work
, 0);
4489 mutex_unlock(&tp
->control
);
4490 return rtl8152_resume(intf
);
4493 static void rtl8152_get_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
4495 struct r8152
*tp
= netdev_priv(dev
);
4497 if (usb_autopm_get_interface(tp
->intf
) < 0)
4500 if (!rtl_can_wakeup(tp
)) {
4504 mutex_lock(&tp
->control
);
4505 wol
->supported
= WAKE_ANY
;
4506 wol
->wolopts
= __rtl_get_wol(tp
);
4507 mutex_unlock(&tp
->control
);
4510 usb_autopm_put_interface(tp
->intf
);
4513 static int rtl8152_set_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
4515 struct r8152
*tp
= netdev_priv(dev
);
4518 if (!rtl_can_wakeup(tp
))
4521 if (wol
->wolopts
& ~WAKE_ANY
)
4524 ret
= usb_autopm_get_interface(tp
->intf
);
4528 mutex_lock(&tp
->control
);
4530 __rtl_set_wol(tp
, wol
->wolopts
);
4531 tp
->saved_wolopts
= wol
->wolopts
& WAKE_ANY
;
4533 mutex_unlock(&tp
->control
);
4535 usb_autopm_put_interface(tp
->intf
);
4541 static u32
rtl8152_get_msglevel(struct net_device
*dev
)
4543 struct r8152
*tp
= netdev_priv(dev
);
4545 return tp
->msg_enable
;
4548 static void rtl8152_set_msglevel(struct net_device
*dev
, u32 value
)
4550 struct r8152
*tp
= netdev_priv(dev
);
4552 tp
->msg_enable
= value
;
4555 static void rtl8152_get_drvinfo(struct net_device
*netdev
,
4556 struct ethtool_drvinfo
*info
)
4558 struct r8152
*tp
= netdev_priv(netdev
);
4560 strlcpy(info
->driver
, MODULENAME
, sizeof(info
->driver
));
4561 strlcpy(info
->version
, DRIVER_VERSION
, sizeof(info
->version
));
4562 usb_make_path(tp
->udev
, info
->bus_info
, sizeof(info
->bus_info
));
4566 int rtl8152_get_link_ksettings(struct net_device
*netdev
,
4567 struct ethtool_link_ksettings
*cmd
)
4569 struct r8152
*tp
= netdev_priv(netdev
);
4572 if (!tp
->mii
.mdio_read
)
4575 ret
= usb_autopm_get_interface(tp
->intf
);
4579 mutex_lock(&tp
->control
);
4581 mii_ethtool_get_link_ksettings(&tp
->mii
, cmd
);
4583 mutex_unlock(&tp
->control
);
4585 usb_autopm_put_interface(tp
->intf
);
4591 static int rtl8152_set_link_ksettings(struct net_device
*dev
,
4592 const struct ethtool_link_ksettings
*cmd
)
4594 struct r8152
*tp
= netdev_priv(dev
);
4597 ret
= usb_autopm_get_interface(tp
->intf
);
4601 mutex_lock(&tp
->control
);
4603 ret
= rtl8152_set_speed(tp
, cmd
->base
.autoneg
, cmd
->base
.speed
,
4606 tp
->autoneg
= cmd
->base
.autoneg
;
4607 tp
->speed
= cmd
->base
.speed
;
4608 tp
->duplex
= cmd
->base
.duplex
;
4611 mutex_unlock(&tp
->control
);
4613 usb_autopm_put_interface(tp
->intf
);
4619 static const char rtl8152_gstrings
[][ETH_GSTRING_LEN
] = {
4626 "tx_single_collisions",
4627 "tx_multi_collisions",
4635 static int rtl8152_get_sset_count(struct net_device
*dev
, int sset
)
4639 return ARRAY_SIZE(rtl8152_gstrings
);
4645 static void rtl8152_get_ethtool_stats(struct net_device
*dev
,
4646 struct ethtool_stats
*stats
, u64
*data
)
4648 struct r8152
*tp
= netdev_priv(dev
);
4649 struct tally_counter tally
;
4651 if (usb_autopm_get_interface(tp
->intf
) < 0)
4654 generic_ocp_read(tp
, PLA_TALLYCNT
, sizeof(tally
), &tally
, MCU_TYPE_PLA
);
4656 usb_autopm_put_interface(tp
->intf
);
4658 data
[0] = le64_to_cpu(tally
.tx_packets
);
4659 data
[1] = le64_to_cpu(tally
.rx_packets
);
4660 data
[2] = le64_to_cpu(tally
.tx_errors
);
4661 data
[3] = le32_to_cpu(tally
.rx_errors
);
4662 data
[4] = le16_to_cpu(tally
.rx_missed
);
4663 data
[5] = le16_to_cpu(tally
.align_errors
);
4664 data
[6] = le32_to_cpu(tally
.tx_one_collision
);
4665 data
[7] = le32_to_cpu(tally
.tx_multi_collision
);
4666 data
[8] = le64_to_cpu(tally
.rx_unicast
);
4667 data
[9] = le64_to_cpu(tally
.rx_broadcast
);
4668 data
[10] = le32_to_cpu(tally
.rx_multicast
);
4669 data
[11] = le16_to_cpu(tally
.tx_aborted
);
4670 data
[12] = le16_to_cpu(tally
.tx_underrun
);
4673 static void rtl8152_get_strings(struct net_device
*dev
, u32 stringset
, u8
*data
)
4675 switch (stringset
) {
4677 memcpy(data
, *rtl8152_gstrings
, sizeof(rtl8152_gstrings
));
4682 static int r8152_get_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
4684 u32 ocp_data
, lp
, adv
, supported
= 0;
4687 val
= r8152_mmd_read(tp
, MDIO_MMD_PCS
, MDIO_PCS_EEE_ABLE
);
4688 supported
= mmd_eee_cap_to_ethtool_sup_t(val
);
4690 val
= r8152_mmd_read(tp
, MDIO_MMD_AN
, MDIO_AN_EEE_ADV
);
4691 adv
= mmd_eee_adv_to_ethtool_adv_t(val
);
4693 val
= r8152_mmd_read(tp
, MDIO_MMD_AN
, MDIO_AN_EEE_LPABLE
);
4694 lp
= mmd_eee_adv_to_ethtool_adv_t(val
);
4696 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
);
4697 ocp_data
&= EEE_RX_EN
| EEE_TX_EN
;
4699 eee
->eee_enabled
= !!ocp_data
;
4700 eee
->eee_active
= !!(supported
& adv
& lp
);
4701 eee
->supported
= supported
;
4702 eee
->advertised
= adv
;
4703 eee
->lp_advertised
= lp
;
4708 static int r8152_set_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
4710 u16 val
= ethtool_adv_to_mmd_eee_adv_t(eee
->advertised
);
4712 r8152_eee_en(tp
, eee
->eee_enabled
);
4714 if (!eee
->eee_enabled
)
4717 r8152_mmd_write(tp
, MDIO_MMD_AN
, MDIO_AN_EEE_ADV
, val
);
4722 static int r8153_get_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
4724 u32 ocp_data
, lp
, adv
, supported
= 0;
4727 val
= ocp_reg_read(tp
, OCP_EEE_ABLE
);
4728 supported
= mmd_eee_cap_to_ethtool_sup_t(val
);
4730 val
= ocp_reg_read(tp
, OCP_EEE_ADV
);
4731 adv
= mmd_eee_adv_to_ethtool_adv_t(val
);
4733 val
= ocp_reg_read(tp
, OCP_EEE_LPABLE
);
4734 lp
= mmd_eee_adv_to_ethtool_adv_t(val
);
4736 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
);
4737 ocp_data
&= EEE_RX_EN
| EEE_TX_EN
;
4739 eee
->eee_enabled
= !!ocp_data
;
4740 eee
->eee_active
= !!(supported
& adv
& lp
);
4741 eee
->supported
= supported
;
4742 eee
->advertised
= adv
;
4743 eee
->lp_advertised
= lp
;
4748 static int r8153_set_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
4750 u16 val
= ethtool_adv_to_mmd_eee_adv_t(eee
->advertised
);
4752 r8153_eee_en(tp
, eee
->eee_enabled
);
4754 if (!eee
->eee_enabled
)
4757 ocp_reg_write(tp
, OCP_EEE_ADV
, val
);
4762 static int r8153b_set_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
4764 u16 val
= ethtool_adv_to_mmd_eee_adv_t(eee
->advertised
);
4766 r8153b_eee_en(tp
, eee
->eee_enabled
);
4768 if (!eee
->eee_enabled
)
4771 ocp_reg_write(tp
, OCP_EEE_ADV
, val
);
4777 rtl_ethtool_get_eee(struct net_device
*net
, struct ethtool_eee
*edata
)
4779 struct r8152
*tp
= netdev_priv(net
);
4782 ret
= usb_autopm_get_interface(tp
->intf
);
4786 mutex_lock(&tp
->control
);
4788 ret
= tp
->rtl_ops
.eee_get(tp
, edata
);
4790 mutex_unlock(&tp
->control
);
4792 usb_autopm_put_interface(tp
->intf
);
4799 rtl_ethtool_set_eee(struct net_device
*net
, struct ethtool_eee
*edata
)
4801 struct r8152
*tp
= netdev_priv(net
);
4804 ret
= usb_autopm_get_interface(tp
->intf
);
4808 mutex_lock(&tp
->control
);
4810 ret
= tp
->rtl_ops
.eee_set(tp
, edata
);
4812 ret
= mii_nway_restart(&tp
->mii
);
4814 mutex_unlock(&tp
->control
);
4816 usb_autopm_put_interface(tp
->intf
);
4822 static int rtl8152_nway_reset(struct net_device
*dev
)
4824 struct r8152
*tp
= netdev_priv(dev
);
4827 ret
= usb_autopm_get_interface(tp
->intf
);
4831 mutex_lock(&tp
->control
);
4833 ret
= mii_nway_restart(&tp
->mii
);
4835 mutex_unlock(&tp
->control
);
4837 usb_autopm_put_interface(tp
->intf
);
4843 static int rtl8152_get_coalesce(struct net_device
*netdev
,
4844 struct ethtool_coalesce
*coalesce
)
4846 struct r8152
*tp
= netdev_priv(netdev
);
4848 switch (tp
->version
) {
4857 coalesce
->rx_coalesce_usecs
= tp
->coalesce
;
4862 static int rtl8152_set_coalesce(struct net_device
*netdev
,
4863 struct ethtool_coalesce
*coalesce
)
4865 struct r8152
*tp
= netdev_priv(netdev
);
4868 switch (tp
->version
) {
4877 if (coalesce
->rx_coalesce_usecs
> COALESCE_SLOW
)
4880 ret
= usb_autopm_get_interface(tp
->intf
);
4884 mutex_lock(&tp
->control
);
4886 if (tp
->coalesce
!= coalesce
->rx_coalesce_usecs
) {
4887 tp
->coalesce
= coalesce
->rx_coalesce_usecs
;
4889 if (netif_running(tp
->netdev
) && netif_carrier_ok(netdev
))
4890 r8153_set_rx_early_timeout(tp
);
4893 mutex_unlock(&tp
->control
);
4895 usb_autopm_put_interface(tp
->intf
);
4900 static const struct ethtool_ops ops
= {
4901 .get_drvinfo
= rtl8152_get_drvinfo
,
4902 .get_link
= ethtool_op_get_link
,
4903 .nway_reset
= rtl8152_nway_reset
,
4904 .get_msglevel
= rtl8152_get_msglevel
,
4905 .set_msglevel
= rtl8152_set_msglevel
,
4906 .get_wol
= rtl8152_get_wol
,
4907 .set_wol
= rtl8152_set_wol
,
4908 .get_strings
= rtl8152_get_strings
,
4909 .get_sset_count
= rtl8152_get_sset_count
,
4910 .get_ethtool_stats
= rtl8152_get_ethtool_stats
,
4911 .get_coalesce
= rtl8152_get_coalesce
,
4912 .set_coalesce
= rtl8152_set_coalesce
,
4913 .get_eee
= rtl_ethtool_get_eee
,
4914 .set_eee
= rtl_ethtool_set_eee
,
4915 .get_link_ksettings
= rtl8152_get_link_ksettings
,
4916 .set_link_ksettings
= rtl8152_set_link_ksettings
,
4919 static int rtl8152_ioctl(struct net_device
*netdev
, struct ifreq
*rq
, int cmd
)
4921 struct r8152
*tp
= netdev_priv(netdev
);
4922 struct mii_ioctl_data
*data
= if_mii(rq
);
4925 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
4928 res
= usb_autopm_get_interface(tp
->intf
);
4934 data
->phy_id
= R8152_PHY_ID
; /* Internal PHY */
4938 mutex_lock(&tp
->control
);
4939 data
->val_out
= r8152_mdio_read(tp
, data
->reg_num
);
4940 mutex_unlock(&tp
->control
);
4944 if (!capable(CAP_NET_ADMIN
)) {
4948 mutex_lock(&tp
->control
);
4949 r8152_mdio_write(tp
, data
->reg_num
, data
->val_in
);
4950 mutex_unlock(&tp
->control
);
4957 usb_autopm_put_interface(tp
->intf
);
4963 static int rtl8152_change_mtu(struct net_device
*dev
, int new_mtu
)
4965 struct r8152
*tp
= netdev_priv(dev
);
4968 switch (tp
->version
) {
4978 ret
= usb_autopm_get_interface(tp
->intf
);
4982 mutex_lock(&tp
->control
);
4986 if (netif_running(dev
)) {
4987 u32 rms
= new_mtu
+ VLAN_ETH_HLEN
+ ETH_FCS_LEN
;
4989 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, rms
);
4991 if (netif_carrier_ok(dev
))
4992 r8153_set_rx_early_size(tp
);
4995 mutex_unlock(&tp
->control
);
4997 usb_autopm_put_interface(tp
->intf
);
5002 static const struct net_device_ops rtl8152_netdev_ops
= {
5003 .ndo_open
= rtl8152_open
,
5004 .ndo_stop
= rtl8152_close
,
5005 .ndo_do_ioctl
= rtl8152_ioctl
,
5006 .ndo_start_xmit
= rtl8152_start_xmit
,
5007 .ndo_tx_timeout
= rtl8152_tx_timeout
,
5008 .ndo_set_features
= rtl8152_set_features
,
5009 .ndo_set_rx_mode
= rtl8152_set_rx_mode
,
5010 .ndo_set_mac_address
= rtl8152_set_mac_address
,
5011 .ndo_change_mtu
= rtl8152_change_mtu
,
5012 .ndo_validate_addr
= eth_validate_addr
,
5013 .ndo_features_check
= rtl8152_features_check
,
5016 static void rtl8152_unload(struct r8152
*tp
)
5018 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
5021 if (tp
->version
!= RTL_VER_01
)
5022 r8152_power_cut_en(tp
, true);
5025 static void rtl8153_unload(struct r8152
*tp
)
5027 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
5030 r8153_power_cut_en(tp
, false);
5033 static void rtl8153b_unload(struct r8152
*tp
)
5035 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
5038 r8153b_power_cut_en(tp
, false);
5041 static int rtl_ops_init(struct r8152
*tp
)
5043 struct rtl_ops
*ops
= &tp
->rtl_ops
;
5046 switch (tp
->version
) {
5050 ops
->init
= r8152b_init
;
5051 ops
->enable
= rtl8152_enable
;
5052 ops
->disable
= rtl8152_disable
;
5053 ops
->up
= rtl8152_up
;
5054 ops
->down
= rtl8152_down
;
5055 ops
->unload
= rtl8152_unload
;
5056 ops
->eee_get
= r8152_get_eee
;
5057 ops
->eee_set
= r8152_set_eee
;
5058 ops
->in_nway
= rtl8152_in_nway
;
5059 ops
->hw_phy_cfg
= r8152b_hw_phy_cfg
;
5060 ops
->autosuspend_en
= rtl_runtime_suspend_enable
;
5067 ops
->init
= r8153_init
;
5068 ops
->enable
= rtl8153_enable
;
5069 ops
->disable
= rtl8153_disable
;
5070 ops
->up
= rtl8153_up
;
5071 ops
->down
= rtl8153_down
;
5072 ops
->unload
= rtl8153_unload
;
5073 ops
->eee_get
= r8153_get_eee
;
5074 ops
->eee_set
= r8153_set_eee
;
5075 ops
->in_nway
= rtl8153_in_nway
;
5076 ops
->hw_phy_cfg
= r8153_hw_phy_cfg
;
5077 ops
->autosuspend_en
= rtl8153_runtime_enable
;
5082 ops
->init
= r8153b_init
;
5083 ops
->enable
= rtl8153_enable
;
5084 ops
->disable
= rtl8153b_disable
;
5085 ops
->up
= rtl8153b_up
;
5086 ops
->down
= rtl8153b_down
;
5087 ops
->unload
= rtl8153b_unload
;
5088 ops
->eee_get
= r8153_get_eee
;
5089 ops
->eee_set
= r8153b_set_eee
;
5090 ops
->in_nway
= rtl8153_in_nway
;
5091 ops
->hw_phy_cfg
= r8153b_hw_phy_cfg
;
5092 ops
->autosuspend_en
= rtl8153b_runtime_enable
;
5097 netif_err(tp
, probe
, tp
->netdev
, "Unknown Device\n");
5104 static u8
rtl_get_version(struct usb_interface
*intf
)
5106 struct usb_device
*udev
= interface_to_usbdev(intf
);
5112 tmp
= kmalloc(sizeof(*tmp
), GFP_KERNEL
);
5116 ret
= usb_control_msg(udev
, usb_rcvctrlpipe(udev
, 0),
5117 RTL8152_REQ_GET_REGS
, RTL8152_REQT_READ
,
5118 PLA_TCR0
, MCU_TYPE_PLA
, tmp
, sizeof(*tmp
), 500);
5120 ocp_data
= (__le32_to_cpu(*tmp
) >> 16) & VERSION_MASK
;
5126 version
= RTL_VER_01
;
5129 version
= RTL_VER_02
;
5132 version
= RTL_VER_03
;
5135 version
= RTL_VER_04
;
5138 version
= RTL_VER_05
;
5141 version
= RTL_VER_06
;
5144 version
= RTL_VER_07
;
5147 version
= RTL_VER_08
;
5150 version
= RTL_VER_09
;
5153 version
= RTL_VER_UNKNOWN
;
5154 dev_info(&intf
->dev
, "Unknown version 0x%04x\n", ocp_data
);
5158 dev_dbg(&intf
->dev
, "Detected version 0x%04x\n", version
);
5163 static int rtl8152_probe(struct usb_interface
*intf
,
5164 const struct usb_device_id
*id
)
5166 struct usb_device
*udev
= interface_to_usbdev(intf
);
5167 u8 version
= rtl_get_version(intf
);
5169 struct net_device
*netdev
;
5172 if (version
== RTL_VER_UNKNOWN
)
5175 if (udev
->actconfig
->desc
.bConfigurationValue
!= 1) {
5176 usb_driver_set_configuration(udev
, 1);
5180 usb_reset_device(udev
);
5181 netdev
= alloc_etherdev(sizeof(struct r8152
));
5183 dev_err(&intf
->dev
, "Out of memory\n");
5187 SET_NETDEV_DEV(netdev
, &intf
->dev
);
5188 tp
= netdev_priv(netdev
);
5189 tp
->msg_enable
= 0x7FFF;
5192 tp
->netdev
= netdev
;
5194 tp
->version
= version
;
5200 tp
->mii
.supports_gmii
= 0;
5203 tp
->mii
.supports_gmii
= 1;
5207 ret
= rtl_ops_init(tp
);
5211 mutex_init(&tp
->control
);
5212 INIT_DELAYED_WORK(&tp
->schedule
, rtl_work_func_t
);
5213 INIT_DELAYED_WORK(&tp
->hw_phy_work
, rtl_hw_phy_work_func_t
);
5215 netdev
->netdev_ops
= &rtl8152_netdev_ops
;
5216 netdev
->watchdog_timeo
= RTL8152_TX_TIMEOUT
;
5218 netdev
->features
|= NETIF_F_RXCSUM
| NETIF_F_IP_CSUM
| NETIF_F_SG
|
5219 NETIF_F_TSO
| NETIF_F_FRAGLIST
| NETIF_F_IPV6_CSUM
|
5220 NETIF_F_TSO6
| NETIF_F_HW_VLAN_CTAG_RX
|
5221 NETIF_F_HW_VLAN_CTAG_TX
;
5222 netdev
->hw_features
= NETIF_F_RXCSUM
| NETIF_F_IP_CSUM
| NETIF_F_SG
|
5223 NETIF_F_TSO
| NETIF_F_FRAGLIST
|
5224 NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
|
5225 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HW_VLAN_CTAG_TX
;
5226 netdev
->vlan_features
= NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
|
5227 NETIF_F_HIGHDMA
| NETIF_F_FRAGLIST
|
5228 NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
;
5230 if (tp
->version
== RTL_VER_01
) {
5231 netdev
->features
&= ~NETIF_F_RXCSUM
;
5232 netdev
->hw_features
&= ~NETIF_F_RXCSUM
;
5235 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) == 0x3011 && udev
->serial
&&
5236 (!strcmp(udev
->serial
, "000001000000") || !strcmp(udev
->serial
, "000002000000"))) {
5237 dev_info(&udev
->dev
, "Dell TB16 Dock, disable RX aggregation");
5238 set_bit(DELL_TB_RX_AGG_BUG
, &tp
->flags
);
5241 netdev
->ethtool_ops
= &ops
;
5242 netif_set_gso_max_size(netdev
, RTL_LIMITED_TSO_SIZE
);
5244 /* MTU range: 68 - 1500 or 9194 */
5245 netdev
->min_mtu
= ETH_MIN_MTU
;
5246 switch (tp
->version
) {
5249 netdev
->max_mtu
= ETH_DATA_LEN
;
5252 netdev
->max_mtu
= RTL8153_MAX_MTU
;
5256 tp
->mii
.dev
= netdev
;
5257 tp
->mii
.mdio_read
= read_mii_word
;
5258 tp
->mii
.mdio_write
= write_mii_word
;
5259 tp
->mii
.phy_id_mask
= 0x3f;
5260 tp
->mii
.reg_num_mask
= 0x1f;
5261 tp
->mii
.phy_id
= R8152_PHY_ID
;
5263 tp
->autoneg
= AUTONEG_ENABLE
;
5264 tp
->speed
= tp
->mii
.supports_gmii
? SPEED_1000
: SPEED_100
;
5265 tp
->duplex
= DUPLEX_FULL
;
5267 intf
->needs_remote_wakeup
= 1;
5269 tp
->rtl_ops
.init(tp
);
5270 queue_delayed_work(system_long_wq
, &tp
->hw_phy_work
, 0);
5271 set_ethernet_addr(tp
);
5273 usb_set_intfdata(intf
, tp
);
5274 netif_napi_add(netdev
, &tp
->napi
, r8152_poll
, RTL8152_NAPI_WEIGHT
);
5276 ret
= register_netdev(netdev
);
5278 netif_err(tp
, probe
, netdev
, "couldn't register the device\n");
5282 if (!rtl_can_wakeup(tp
))
5283 __rtl_set_wol(tp
, 0);
5285 tp
->saved_wolopts
= __rtl_get_wol(tp
);
5286 if (tp
->saved_wolopts
)
5287 device_set_wakeup_enable(&udev
->dev
, true);
5289 device_set_wakeup_enable(&udev
->dev
, false);
5291 netif_info(tp
, probe
, netdev
, "%s\n", DRIVER_VERSION
);
5296 netif_napi_del(&tp
->napi
);
5297 usb_set_intfdata(intf
, NULL
);
5299 free_netdev(netdev
);
5303 static void rtl8152_disconnect(struct usb_interface
*intf
)
5305 struct r8152
*tp
= usb_get_intfdata(intf
);
5307 usb_set_intfdata(intf
, NULL
);
5309 struct usb_device
*udev
= tp
->udev
;
5311 if (udev
->state
== USB_STATE_NOTATTACHED
)
5312 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
5314 netif_napi_del(&tp
->napi
);
5315 unregister_netdev(tp
->netdev
);
5316 cancel_delayed_work_sync(&tp
->hw_phy_work
);
5317 tp
->rtl_ops
.unload(tp
);
5318 free_netdev(tp
->netdev
);
5322 #define REALTEK_USB_DEVICE(vend, prod) \
5323 .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
5324 USB_DEVICE_ID_MATCH_INT_CLASS, \
5325 .idVendor = (vend), \
5326 .idProduct = (prod), \
5327 .bInterfaceClass = USB_CLASS_VENDOR_SPEC \
5330 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \
5331 USB_DEVICE_ID_MATCH_DEVICE, \
5332 .idVendor = (vend), \
5333 .idProduct = (prod), \
5334 .bInterfaceClass = USB_CLASS_COMM, \
5335 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
5336 .bInterfaceProtocol = USB_CDC_PROTO_NONE
5338 /* table of devices that work with this driver */
5339 static const struct usb_device_id rtl8152_table
[] = {
5340 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK
, 0x8050)},
5341 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK
, 0x8152)},
5342 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK
, 0x8153)},
5343 {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT
, 0x07ab)},
5344 {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT
, 0x07c6)},
5345 {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG
, 0xa101)},
5346 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x304f)},
5347 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x3062)},
5348 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x3069)},
5349 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x7205)},
5350 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x720c)},
5351 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x7214)},
5352 {REALTEK_USB_DEVICE(VENDOR_ID_LINKSYS
, 0x0041)},
5353 {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA
, 0x09ff)},
5354 {REALTEK_USB_DEVICE(VENDOR_ID_TPLINK
, 0x0601)},
5358 MODULE_DEVICE_TABLE(usb
, rtl8152_table
);
5360 static struct usb_driver rtl8152_driver
= {
5362 .id_table
= rtl8152_table
,
5363 .probe
= rtl8152_probe
,
5364 .disconnect
= rtl8152_disconnect
,
5365 .suspend
= rtl8152_suspend
,
5366 .resume
= rtl8152_resume
,
5367 .reset_resume
= rtl8152_reset_resume
,
5368 .pre_reset
= rtl8152_pre_reset
,
5369 .post_reset
= rtl8152_post_reset
,
5370 .supports_autosuspend
= 1,
5371 .disable_hub_initiated_lpm
= 1,
5374 module_usb_driver(rtl8152_driver
);
5376 MODULE_AUTHOR(DRIVER_AUTHOR
);
5377 MODULE_DESCRIPTION(DRIVER_DESC
);
5378 MODULE_LICENSE("GPL");
5379 MODULE_VERSION(DRIVER_VERSION
);