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>
29 /* Version Information */
30 #define DRIVER_VERSION "v1.08.1 (2015/07/28)"
31 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
32 #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
33 #define MODULENAME "r8152"
35 #define R8152_PHY_ID 32
37 #define PLA_IDR 0xc000
38 #define PLA_RCR 0xc010
39 #define PLA_RMS 0xc016
40 #define PLA_RXFIFO_CTRL0 0xc0a0
41 #define PLA_RXFIFO_CTRL1 0xc0a4
42 #define PLA_RXFIFO_CTRL2 0xc0a8
43 #define PLA_DMY_REG0 0xc0b0
44 #define PLA_FMC 0xc0b4
45 #define PLA_CFG_WOL 0xc0b6
46 #define PLA_TEREDO_CFG 0xc0bc
47 #define PLA_MAR 0xcd00
48 #define PLA_BACKUP 0xd000
49 #define PAL_BDC_CR 0xd1a0
50 #define PLA_TEREDO_TIMER 0xd2cc
51 #define PLA_REALWOW_TIMER 0xd2e8
52 #define PLA_LEDSEL 0xdd90
53 #define PLA_LED_FEATURE 0xdd92
54 #define PLA_PHYAR 0xde00
55 #define PLA_BOOT_CTRL 0xe004
56 #define PLA_GPHY_INTR_IMR 0xe022
57 #define PLA_EEE_CR 0xe040
58 #define PLA_EEEP_CR 0xe080
59 #define PLA_MAC_PWR_CTRL 0xe0c0
60 #define PLA_MAC_PWR_CTRL2 0xe0ca
61 #define PLA_MAC_PWR_CTRL3 0xe0cc
62 #define PLA_MAC_PWR_CTRL4 0xe0ce
63 #define PLA_WDT6_CTRL 0xe428
64 #define PLA_TCR0 0xe610
65 #define PLA_TCR1 0xe612
66 #define PLA_MTPS 0xe615
67 #define PLA_TXFIFO_CTRL 0xe618
68 #define PLA_RSTTALLY 0xe800
70 #define PLA_CRWECR 0xe81c
71 #define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */
72 #define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */
73 #define PLA_CONFIG5 0xe822
74 #define PLA_PHY_PWR 0xe84c
75 #define PLA_OOB_CTRL 0xe84f
76 #define PLA_CPCR 0xe854
77 #define PLA_MISC_0 0xe858
78 #define PLA_MISC_1 0xe85a
79 #define PLA_OCP_GPHY_BASE 0xe86c
80 #define PLA_TALLYCNT 0xe890
81 #define PLA_SFF_STS_7 0xe8de
82 #define PLA_PHYSTATUS 0xe908
83 #define PLA_BP_BA 0xfc26
84 #define PLA_BP_0 0xfc28
85 #define PLA_BP_1 0xfc2a
86 #define PLA_BP_2 0xfc2c
87 #define PLA_BP_3 0xfc2e
88 #define PLA_BP_4 0xfc30
89 #define PLA_BP_5 0xfc32
90 #define PLA_BP_6 0xfc34
91 #define PLA_BP_7 0xfc36
92 #define PLA_BP_EN 0xfc38
94 #define USB_USB2PHY 0xb41e
95 #define USB_SSPHYLINK2 0xb428
96 #define USB_U2P3_CTRL 0xb460
97 #define USB_CSR_DUMMY1 0xb464
98 #define USB_CSR_DUMMY2 0xb466
99 #define USB_DEV_STAT 0xb808
100 #define USB_CONNECT_TIMER 0xcbf8
101 #define USB_BURST_SIZE 0xcfc0
102 #define USB_USB_CTRL 0xd406
103 #define USB_PHY_CTRL 0xd408
104 #define USB_TX_AGG 0xd40a
105 #define USB_RX_BUF_TH 0xd40c
106 #define USB_USB_TIMER 0xd428
107 #define USB_RX_EARLY_TIMEOUT 0xd42c
108 #define USB_RX_EARLY_SIZE 0xd42e
109 #define USB_PM_CTRL_STATUS 0xd432
110 #define USB_TX_DMA 0xd434
111 #define USB_TOLERANCE 0xd490
112 #define USB_LPM_CTRL 0xd41a
113 #define USB_UPS_CTRL 0xd800
114 #define USB_MISC_0 0xd81a
115 #define USB_POWER_CUT 0xd80a
116 #define USB_AFE_CTRL2 0xd824
117 #define USB_WDT11_CTRL 0xe43c
118 #define USB_BP_BA 0xfc26
119 #define USB_BP_0 0xfc28
120 #define USB_BP_1 0xfc2a
121 #define USB_BP_2 0xfc2c
122 #define USB_BP_3 0xfc2e
123 #define USB_BP_4 0xfc30
124 #define USB_BP_5 0xfc32
125 #define USB_BP_6 0xfc34
126 #define USB_BP_7 0xfc36
127 #define USB_BP_EN 0xfc38
130 #define OCP_ALDPS_CONFIG 0x2010
131 #define OCP_EEE_CONFIG1 0x2080
132 #define OCP_EEE_CONFIG2 0x2092
133 #define OCP_EEE_CONFIG3 0x2094
134 #define OCP_BASE_MII 0xa400
135 #define OCP_EEE_AR 0xa41a
136 #define OCP_EEE_DATA 0xa41c
137 #define OCP_PHY_STATUS 0xa420
138 #define OCP_POWER_CFG 0xa430
139 #define OCP_EEE_CFG 0xa432
140 #define OCP_SRAM_ADDR 0xa436
141 #define OCP_SRAM_DATA 0xa438
142 #define OCP_DOWN_SPEED 0xa442
143 #define OCP_EEE_ABLE 0xa5c4
144 #define OCP_EEE_ADV 0xa5d0
145 #define OCP_EEE_LPABLE 0xa5d2
146 #define OCP_ADC_CFG 0xbc06
149 #define SRAM_LPF_CFG 0x8012
150 #define SRAM_10M_AMP1 0x8080
151 #define SRAM_10M_AMP2 0x8082
152 #define SRAM_IMPEDANCE 0x8084
155 #define RCR_AAP 0x00000001
156 #define RCR_APM 0x00000002
157 #define RCR_AM 0x00000004
158 #define RCR_AB 0x00000008
159 #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
161 /* PLA_RXFIFO_CTRL0 */
162 #define RXFIFO_THR1_NORMAL 0x00080002
163 #define RXFIFO_THR1_OOB 0x01800003
165 /* PLA_RXFIFO_CTRL1 */
166 #define RXFIFO_THR2_FULL 0x00000060
167 #define RXFIFO_THR2_HIGH 0x00000038
168 #define RXFIFO_THR2_OOB 0x0000004a
169 #define RXFIFO_THR2_NORMAL 0x00a0
171 /* PLA_RXFIFO_CTRL2 */
172 #define RXFIFO_THR3_FULL 0x00000078
173 #define RXFIFO_THR3_HIGH 0x00000048
174 #define RXFIFO_THR3_OOB 0x0000005a
175 #define RXFIFO_THR3_NORMAL 0x0110
177 /* PLA_TXFIFO_CTRL */
178 #define TXFIFO_THR_NORMAL 0x00400008
179 #define TXFIFO_THR_NORMAL2 0x01000008
182 #define ECM_ALDPS 0x0002
185 #define FMC_FCR_MCU_EN 0x0001
188 #define EEEP_CR_EEEP_TX 0x0002
191 #define WDT6_SET_MODE 0x0010
194 #define TCR0_TX_EMPTY 0x0800
195 #define TCR0_AUTO_FIFO 0x0080
198 #define VERSION_MASK 0x7cf0
201 #define MTPS_JUMBO (12 * 1024 / 64)
202 #define MTPS_DEFAULT (6 * 1024 / 64)
205 #define TALLY_RESET 0x0001
213 #define CRWECR_NORAML 0x00
214 #define CRWECR_CONFIG 0xc0
217 #define NOW_IS_OOB 0x80
218 #define TXFIFO_EMPTY 0x20
219 #define RXFIFO_EMPTY 0x10
220 #define LINK_LIST_READY 0x02
221 #define DIS_MCU_CLROOB 0x01
222 #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY)
225 #define RXDY_GATED_EN 0x0008
228 #define RE_INIT_LL 0x8000
229 #define MCU_BORW_EN 0x4000
232 #define CPCR_RX_VLAN 0x0040
235 #define MAGIC_EN 0x0001
238 #define TEREDO_SEL 0x8000
239 #define TEREDO_WAKE_MASK 0x7f00
240 #define TEREDO_RS_EVENT_MASK 0x00fe
241 #define OOB_TEREDO_EN 0x0001
244 #define ALDPS_PROXY_MODE 0x0001
247 #define LINK_ON_WAKE_EN 0x0010
248 #define LINK_OFF_WAKE_EN 0x0008
251 #define BWF_EN 0x0040
252 #define MWF_EN 0x0020
253 #define UWF_EN 0x0010
254 #define LAN_WAKE_EN 0x0002
256 /* PLA_LED_FEATURE */
257 #define LED_MODE_MASK 0x0700
260 #define TX_10M_IDLE_EN 0x0080
261 #define PFM_PWM_SWITCH 0x0040
263 /* PLA_MAC_PWR_CTRL */
264 #define D3_CLK_GATED_EN 0x00004000
265 #define MCU_CLK_RATIO 0x07010f07
266 #define MCU_CLK_RATIO_MASK 0x0f0f0f0f
267 #define ALDPS_SPDWN_RATIO 0x0f87
269 /* PLA_MAC_PWR_CTRL2 */
270 #define EEE_SPDWN_RATIO 0x8007
272 /* PLA_MAC_PWR_CTRL3 */
273 #define PKT_AVAIL_SPDWN_EN 0x0100
274 #define SUSPEND_SPDWN_EN 0x0004
275 #define U1U2_SPDWN_EN 0x0002
276 #define L1_SPDWN_EN 0x0001
278 /* PLA_MAC_PWR_CTRL4 */
279 #define PWRSAVE_SPDWN_EN 0x1000
280 #define RXDV_SPDWN_EN 0x0800
281 #define TX10MIDLE_EN 0x0100
282 #define TP100_SPDWN_EN 0x0020
283 #define TP500_SPDWN_EN 0x0010
284 #define TP1000_SPDWN_EN 0x0008
285 #define EEE_SPDWN_EN 0x0001
287 /* PLA_GPHY_INTR_IMR */
288 #define GPHY_STS_MSK 0x0001
289 #define SPEED_DOWN_MSK 0x0002
290 #define SPDWN_RXDV_MSK 0x0004
291 #define SPDWN_LINKCHG_MSK 0x0008
294 #define PHYAR_FLAG 0x80000000
297 #define EEE_RX_EN 0x0001
298 #define EEE_TX_EN 0x0002
301 #define AUTOLOAD_DONE 0x0002
304 #define USB2PHY_SUSPEND 0x0001
305 #define USB2PHY_L1 0x0002
308 #define pwd_dn_scale_mask 0x3ffe
309 #define pwd_dn_scale(x) ((x) << 1)
312 #define DYNAMIC_BURST 0x0001
315 #define EP4_FULL_FC 0x0001
318 #define STAT_SPEED_MASK 0x0006
319 #define STAT_SPEED_HIGH 0x0000
320 #define STAT_SPEED_FULL 0x0002
323 #define TX_AGG_MAX_THRESHOLD 0x03
326 #define RX_THR_SUPPER 0x0c350180
327 #define RX_THR_HIGH 0x7a120180
328 #define RX_THR_SLOW 0xffff0180
331 #define TEST_MODE_DISABLE 0x00000001
332 #define TX_SIZE_ADJUST1 0x00000100
335 #define POWER_CUT 0x0100
337 /* USB_PM_CTRL_STATUS */
338 #define RESUME_INDICATE 0x0001
341 #define RX_AGG_DISABLE 0x0010
344 #define U2P3_ENABLE 0x0001
347 #define PWR_EN 0x0001
348 #define PHASE2_EN 0x0008
351 #define PCUT_STATUS 0x0001
353 /* USB_RX_EARLY_TIMEOUT */
354 #define COALESCE_SUPER 85000U
355 #define COALESCE_HIGH 250000U
356 #define COALESCE_SLOW 524280U
359 #define TIMER11_EN 0x0001
362 /* bit 4 ~ 5: fifo empty boundary */
363 #define FIFO_EMPTY_1FB 0x30 /* 0x1fb * 64 = 32448 bytes */
364 /* bit 2 ~ 3: LMP timer */
365 #define LPM_TIMER_MASK 0x0c
366 #define LPM_TIMER_500MS 0x04 /* 500 ms */
367 #define LPM_TIMER_500US 0x0c /* 500 us */
368 #define ROK_EXIT_LPM 0x02
371 #define SEN_VAL_MASK 0xf800
372 #define SEN_VAL_NORMAL 0xa000
373 #define SEL_RXIDLE 0x0100
375 /* OCP_ALDPS_CONFIG */
376 #define ENPWRSAVE 0x8000
377 #define ENPDNPS 0x0200
378 #define LINKENA 0x0100
379 #define DIS_SDSAVE 0x0010
382 #define PHY_STAT_MASK 0x0007
383 #define PHY_STAT_LAN_ON 3
384 #define PHY_STAT_PWRDN 5
387 #define EEE_CLKDIV_EN 0x8000
388 #define EN_ALDPS 0x0004
389 #define EN_10M_PLLOFF 0x0001
391 /* OCP_EEE_CONFIG1 */
392 #define RG_TXLPI_MSK_HFDUP 0x8000
393 #define RG_MATCLR_EN 0x4000
394 #define EEE_10_CAP 0x2000
395 #define EEE_NWAY_EN 0x1000
396 #define TX_QUIET_EN 0x0200
397 #define RX_QUIET_EN 0x0100
398 #define sd_rise_time_mask 0x0070
399 #define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */
400 #define RG_RXLPI_MSK_HFDUP 0x0008
401 #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */
403 /* OCP_EEE_CONFIG2 */
404 #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */
405 #define RG_DACQUIET_EN 0x0400
406 #define RG_LDVQUIET_EN 0x0200
407 #define RG_CKRSEL 0x0020
408 #define RG_EEEPRG_EN 0x0010
410 /* OCP_EEE_CONFIG3 */
411 #define fast_snr_mask 0xff80
412 #define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */
413 #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */
414 #define MSK_PH 0x0006 /* bit 0 ~ 3 */
417 /* bit[15:14] function */
418 #define FUN_ADDR 0x0000
419 #define FUN_DATA 0x4000
420 /* bit[4:0] device addr */
423 #define CTAP_SHORT_EN 0x0040
424 #define EEE10_EN 0x0010
427 #define EN_10M_BGOFF 0x0080
430 #define CKADSEL_L 0x0100
431 #define ADC_EN 0x0080
432 #define EN_EMI_L 0x0040
435 #define LPF_AUTO_TUNE 0x8000
438 #define GDAC_IB_UPALL 0x0008
441 #define AMP_DN 0x0200
444 #define RX_DRIVING_MASK 0x6000
446 enum rtl_register_content {
454 #define RTL8152_MAX_TX 4
455 #define RTL8152_MAX_RX 10
461 #define INTR_LINK 0x0004
463 #define RTL8152_REQT_READ 0xc0
464 #define RTL8152_REQT_WRITE 0x40
465 #define RTL8152_REQ_GET_REGS 0x05
466 #define RTL8152_REQ_SET_REGS 0x05
468 #define BYTE_EN_DWORD 0xff
469 #define BYTE_EN_WORD 0x33
470 #define BYTE_EN_BYTE 0x11
471 #define BYTE_EN_SIX_BYTES 0x3f
472 #define BYTE_EN_START_MASK 0x0f
473 #define BYTE_EN_END_MASK 0xf0
475 #define RTL8153_MAX_PACKET 9216 /* 9K */
476 #define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - VLAN_HLEN)
477 #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN)
478 #define RTL8153_RMS RTL8153_MAX_PACKET
479 #define RTL8152_TX_TIMEOUT (5 * HZ)
480 #define RTL8152_NAPI_WEIGHT 64
493 /* Define these values to match your device */
494 #define VENDOR_ID_REALTEK 0x0bda
495 #define VENDOR_ID_SAMSUNG 0x04e8
496 #define VENDOR_ID_LENOVO 0x17ef
497 #define VENDOR_ID_NVIDIA 0x0955
499 #define MCU_TYPE_PLA 0x0100
500 #define MCU_TYPE_USB 0x0000
502 struct tally_counter {
509 __le32 tx_one_collision;
510 __le32 tx_multi_collision;
520 #define RX_LEN_MASK 0x7fff
523 #define RD_UDP_CS BIT(23)
524 #define RD_TCP_CS BIT(22)
525 #define RD_IPV6_CS BIT(20)
526 #define RD_IPV4_CS BIT(19)
529 #define IPF BIT(23) /* IP checksum fail */
530 #define UDPF BIT(22) /* UDP checksum fail */
531 #define TCPF BIT(21) /* TCP checksum fail */
532 #define RX_VLAN_TAG BIT(16)
541 #define TX_FS BIT(31) /* First segment of a packet */
542 #define TX_LS BIT(30) /* Final segment of a packet */
543 #define GTSENDV4 BIT(28)
544 #define GTSENDV6 BIT(27)
545 #define GTTCPHO_SHIFT 18
546 #define GTTCPHO_MAX 0x7fU
547 #define TX_LEN_MAX 0x3ffffU
550 #define UDP_CS BIT(31) /* Calculate UDP/IP checksum */
551 #define TCP_CS BIT(30) /* Calculate TCP/IP checksum */
552 #define IPV4_CS BIT(29) /* Calculate IPv4 checksum */
553 #define IPV6_CS BIT(28) /* Calculate IPv6 checksum */
555 #define MSS_MAX 0x7ffU
556 #define TCPHO_SHIFT 17
557 #define TCPHO_MAX 0x7ffU
558 #define TX_VLAN_TAG BIT(16)
564 struct list_head list;
566 struct r8152 *context;
572 struct list_head list;
574 struct r8152 *context;
583 struct usb_device *udev;
584 struct napi_struct napi;
585 struct usb_interface *intf;
586 struct net_device *netdev;
587 struct urb *intr_urb;
588 struct tx_agg tx_info[RTL8152_MAX_TX];
589 struct rx_agg rx_info[RTL8152_MAX_RX];
590 struct list_head rx_done, tx_free;
591 struct sk_buff_head tx_queue, rx_queue;
592 spinlock_t rx_lock, tx_lock;
593 struct delayed_work schedule;
594 struct mii_if_info mii;
595 struct mutex control; /* use for hw setting */
598 void (*init)(struct r8152 *);
599 int (*enable)(struct r8152 *);
600 void (*disable)(struct r8152 *);
601 void (*up)(struct r8152 *);
602 void (*down)(struct r8152 *);
603 void (*unload)(struct r8152 *);
604 int (*eee_get)(struct r8152 *, struct ethtool_eee *);
605 int (*eee_set)(struct r8152 *, struct ethtool_eee *);
634 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
635 * The RTL chips use a 64 element hash table based on the Ethernet CRC.
637 static const int multicast_filter_limit = 32;
638 static unsigned int agg_buf_sz = 16384;
640 #define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \
641 VLAN_ETH_HLEN - VLAN_HLEN)
644 int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
649 tmp = kmalloc(size, GFP_KERNEL);
653 ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
654 RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
655 value, index, tmp, size, 500);
657 memcpy(data, tmp, size);
664 int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
669 tmp = kmemdup(data, size, GFP_KERNEL);
673 ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
674 RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
675 value, index, tmp, size, 500);
682 static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
683 void *data, u16 type)
688 if (test_bit(RTL8152_UNPLUG, &tp->flags))
691 /* both size and indix must be 4 bytes align */
692 if ((size & 3) || !size || (index & 3) || !data)
695 if ((u32)index + (u32)size > 0xffff)
700 ret = get_registers(tp, index, type, limit, data);
708 ret = get_registers(tp, index, type, size, data);
720 set_bit(RTL8152_UNPLUG, &tp->flags);
725 static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
726 u16 size, void *data, u16 type)
729 u16 byteen_start, byteen_end, byen;
732 if (test_bit(RTL8152_UNPLUG, &tp->flags))
735 /* both size and indix must be 4 bytes align */
736 if ((size & 3) || !size || (index & 3) || !data)
739 if ((u32)index + (u32)size > 0xffff)
742 byteen_start = byteen & BYTE_EN_START_MASK;
743 byteen_end = byteen & BYTE_EN_END_MASK;
745 byen = byteen_start | (byteen_start << 4);
746 ret = set_registers(tp, index, type | byen, 4, data);
759 ret = set_registers(tp, index,
760 type | BYTE_EN_DWORD,
769 ret = set_registers(tp, index,
770 type | BYTE_EN_DWORD,
782 byen = byteen_end | (byteen_end >> 4);
783 ret = set_registers(tp, index, type | byen, 4, data);
790 set_bit(RTL8152_UNPLUG, &tp->flags);
796 int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
798 return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA);
802 int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
804 return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA);
808 int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
810 return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB);
814 int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
816 return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB);
819 static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
823 generic_ocp_read(tp, index, sizeof(data), &data, type);
825 return __le32_to_cpu(data);
828 static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
830 __le32 tmp = __cpu_to_le32(data);
832 generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
835 static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
839 u8 shift = index & 2;
843 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
845 data = __le32_to_cpu(tmp);
846 data >>= (shift * 8);
852 static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
856 u16 byen = BYTE_EN_WORD;
857 u8 shift = index & 2;
863 mask <<= (shift * 8);
864 data <<= (shift * 8);
868 tmp = __cpu_to_le32(data);
870 generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
873 static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
877 u8 shift = index & 3;
881 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
883 data = __le32_to_cpu(tmp);
884 data >>= (shift * 8);
890 static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
894 u16 byen = BYTE_EN_BYTE;
895 u8 shift = index & 3;
901 mask <<= (shift * 8);
902 data <<= (shift * 8);
906 tmp = __cpu_to_le32(data);
908 generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
911 static u16 ocp_reg_read(struct r8152 *tp, u16 addr)
913 u16 ocp_base, ocp_index;
915 ocp_base = addr & 0xf000;
916 if (ocp_base != tp->ocp_base) {
917 ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
918 tp->ocp_base = ocp_base;
921 ocp_index = (addr & 0x0fff) | 0xb000;
922 return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index);
925 static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data)
927 u16 ocp_base, ocp_index;
929 ocp_base = addr & 0xf000;
930 if (ocp_base != tp->ocp_base) {
931 ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
932 tp->ocp_base = ocp_base;
935 ocp_index = (addr & 0x0fff) | 0xb000;
936 ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data);
939 static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)
941 ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value);
944 static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr)
946 return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2);
949 static void sram_write(struct r8152 *tp, u16 addr, u16 data)
951 ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
952 ocp_reg_write(tp, OCP_SRAM_DATA, data);
955 static int read_mii_word(struct net_device *netdev, int phy_id, int reg)
957 struct r8152 *tp = netdev_priv(netdev);
960 if (test_bit(RTL8152_UNPLUG, &tp->flags))
963 if (phy_id != R8152_PHY_ID)
966 ret = r8152_mdio_read(tp, reg);
972 void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val)
974 struct r8152 *tp = netdev_priv(netdev);
976 if (test_bit(RTL8152_UNPLUG, &tp->flags))
979 if (phy_id != R8152_PHY_ID)
982 r8152_mdio_write(tp, reg, val);
986 r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags);
988 static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
990 struct r8152 *tp = netdev_priv(netdev);
991 struct sockaddr *addr = p;
992 int ret = -EADDRNOTAVAIL;
994 if (!is_valid_ether_addr(addr->sa_data))
997 ret = usb_autopm_get_interface(tp->intf);
1001 mutex_lock(&tp->control);
1003 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
1005 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
1006 pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data);
1007 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
1009 mutex_unlock(&tp->control);
1011 usb_autopm_put_interface(tp->intf);
1016 static int set_ethernet_addr(struct r8152 *tp)
1018 struct net_device *dev = tp->netdev;
1022 if (tp->version == RTL_VER_01)
1023 ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data);
1025 ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data);
1028 netif_err(tp, probe, dev, "Get ether addr fail\n");
1029 } else if (!is_valid_ether_addr(sa.sa_data)) {
1030 netif_err(tp, probe, dev, "Invalid ether addr %pM\n",
1032 eth_hw_addr_random(dev);
1033 ether_addr_copy(sa.sa_data, dev->dev_addr);
1034 ret = rtl8152_set_mac_address(dev, &sa);
1035 netif_info(tp, probe, dev, "Random ether addr %pM\n",
1038 if (tp->version == RTL_VER_01)
1039 ether_addr_copy(dev->dev_addr, sa.sa_data);
1041 ret = rtl8152_set_mac_address(dev, &sa);
1047 static void read_bulk_callback(struct urb *urb)
1049 struct net_device *netdev;
1050 int status = urb->status;
1062 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1065 if (!test_bit(WORK_ENABLE, &tp->flags))
1068 netdev = tp->netdev;
1070 /* When link down, the driver would cancel all bulks. */
1071 /* This avoid the re-submitting bulk */
1072 if (!netif_carrier_ok(netdev))
1075 usb_mark_last_busy(tp->udev);
1079 if (urb->actual_length < ETH_ZLEN)
1082 spin_lock(&tp->rx_lock);
1083 list_add_tail(&agg->list, &tp->rx_done);
1084 spin_unlock(&tp->rx_lock);
1085 napi_schedule(&tp->napi);
1088 set_bit(RTL8152_UNPLUG, &tp->flags);
1089 netif_device_detach(tp->netdev);
1092 return; /* the urb is in unlink state */
1094 if (net_ratelimit())
1095 netdev_warn(netdev, "maybe reset is needed?\n");
1098 if (net_ratelimit())
1099 netdev_warn(netdev, "Rx status %d\n", status);
1103 r8152_submit_rx(tp, agg, GFP_ATOMIC);
1106 static void write_bulk_callback(struct urb *urb)
1108 struct net_device_stats *stats;
1109 struct net_device *netdev;
1112 int status = urb->status;
1122 netdev = tp->netdev;
1123 stats = &netdev->stats;
1125 if (net_ratelimit())
1126 netdev_warn(netdev, "Tx status %d\n", status);
1127 stats->tx_errors += agg->skb_num;
1129 stats->tx_packets += agg->skb_num;
1130 stats->tx_bytes += agg->skb_len;
1133 spin_lock(&tp->tx_lock);
1134 list_add_tail(&agg->list, &tp->tx_free);
1135 spin_unlock(&tp->tx_lock);
1137 usb_autopm_put_interface_async(tp->intf);
1139 if (!netif_carrier_ok(netdev))
1142 if (!test_bit(WORK_ENABLE, &tp->flags))
1145 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1148 if (!skb_queue_empty(&tp->tx_queue))
1149 napi_schedule(&tp->napi);
1152 static void intr_callback(struct urb *urb)
1156 int status = urb->status;
1163 if (!test_bit(WORK_ENABLE, &tp->flags))
1166 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1170 case 0: /* success */
1172 case -ECONNRESET: /* unlink */
1174 netif_device_detach(tp->netdev);
1177 netif_info(tp, intr, tp->netdev,
1178 "Stop submitting intr, status %d\n", status);
1181 netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n");
1183 /* -EPIPE: should clear the halt */
1185 netif_info(tp, intr, tp->netdev, "intr status %d\n", status);
1189 d = urb->transfer_buffer;
1190 if (INTR_LINK & __le16_to_cpu(d[0])) {
1191 if (!netif_carrier_ok(tp->netdev)) {
1192 set_bit(RTL8152_LINK_CHG, &tp->flags);
1193 schedule_delayed_work(&tp->schedule, 0);
1196 if (netif_carrier_ok(tp->netdev)) {
1197 set_bit(RTL8152_LINK_CHG, &tp->flags);
1198 schedule_delayed_work(&tp->schedule, 0);
1203 res = usb_submit_urb(urb, GFP_ATOMIC);
1204 if (res == -ENODEV) {
1205 set_bit(RTL8152_UNPLUG, &tp->flags);
1206 netif_device_detach(tp->netdev);
1208 netif_err(tp, intr, tp->netdev,
1209 "can't resubmit intr, status %d\n", res);
1213 static inline void *rx_agg_align(void *data)
1215 return (void *)ALIGN((uintptr_t)data, RX_ALIGN);
1218 static inline void *tx_agg_align(void *data)
1220 return (void *)ALIGN((uintptr_t)data, TX_ALIGN);
1223 static void free_all_mem(struct r8152 *tp)
1227 for (i = 0; i < RTL8152_MAX_RX; i++) {
1228 usb_free_urb(tp->rx_info[i].urb);
1229 tp->rx_info[i].urb = NULL;
1231 kfree(tp->rx_info[i].buffer);
1232 tp->rx_info[i].buffer = NULL;
1233 tp->rx_info[i].head = NULL;
1236 for (i = 0; i < RTL8152_MAX_TX; i++) {
1237 usb_free_urb(tp->tx_info[i].urb);
1238 tp->tx_info[i].urb = NULL;
1240 kfree(tp->tx_info[i].buffer);
1241 tp->tx_info[i].buffer = NULL;
1242 tp->tx_info[i].head = NULL;
1245 usb_free_urb(tp->intr_urb);
1246 tp->intr_urb = NULL;
1248 kfree(tp->intr_buff);
1249 tp->intr_buff = NULL;
1252 static int alloc_all_mem(struct r8152 *tp)
1254 struct net_device *netdev = tp->netdev;
1255 struct usb_interface *intf = tp->intf;
1256 struct usb_host_interface *alt = intf->cur_altsetting;
1257 struct usb_host_endpoint *ep_intr = alt->endpoint + 2;
1262 node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1;
1264 spin_lock_init(&tp->rx_lock);
1265 spin_lock_init(&tp->tx_lock);
1266 INIT_LIST_HEAD(&tp->tx_free);
1267 skb_queue_head_init(&tp->tx_queue);
1268 skb_queue_head_init(&tp->rx_queue);
1270 for (i = 0; i < RTL8152_MAX_RX; i++) {
1271 buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
1275 if (buf != rx_agg_align(buf)) {
1277 buf = kmalloc_node(agg_buf_sz + RX_ALIGN, GFP_KERNEL,
1283 urb = usb_alloc_urb(0, GFP_KERNEL);
1289 INIT_LIST_HEAD(&tp->rx_info[i].list);
1290 tp->rx_info[i].context = tp;
1291 tp->rx_info[i].urb = urb;
1292 tp->rx_info[i].buffer = buf;
1293 tp->rx_info[i].head = rx_agg_align(buf);
1296 for (i = 0; i < RTL8152_MAX_TX; i++) {
1297 buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
1301 if (buf != tx_agg_align(buf)) {
1303 buf = kmalloc_node(agg_buf_sz + TX_ALIGN, GFP_KERNEL,
1309 urb = usb_alloc_urb(0, GFP_KERNEL);
1315 INIT_LIST_HEAD(&tp->tx_info[i].list);
1316 tp->tx_info[i].context = tp;
1317 tp->tx_info[i].urb = urb;
1318 tp->tx_info[i].buffer = buf;
1319 tp->tx_info[i].head = tx_agg_align(buf);
1321 list_add_tail(&tp->tx_info[i].list, &tp->tx_free);
1324 tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1328 tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
1332 tp->intr_interval = (int)ep_intr->desc.bInterval;
1333 usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3),
1334 tp->intr_buff, INTBUFSIZE, intr_callback,
1335 tp, tp->intr_interval);
1344 static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp)
1346 struct tx_agg *agg = NULL;
1347 unsigned long flags;
1349 if (list_empty(&tp->tx_free))
1352 spin_lock_irqsave(&tp->tx_lock, flags);
1353 if (!list_empty(&tp->tx_free)) {
1354 struct list_head *cursor;
1356 cursor = tp->tx_free.next;
1357 list_del_init(cursor);
1358 agg = list_entry(cursor, struct tx_agg, list);
1360 spin_unlock_irqrestore(&tp->tx_lock, flags);
1365 /* r8152_csum_workaround()
1366 * The hw limites the value the transport offset. When the offset is out of the
1367 * range, calculate the checksum by sw.
1369 static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb,
1370 struct sk_buff_head *list)
1372 if (skb_shinfo(skb)->gso_size) {
1373 netdev_features_t features = tp->netdev->features;
1374 struct sk_buff_head seg_list;
1375 struct sk_buff *segs, *nskb;
1377 features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
1378 segs = skb_gso_segment(skb, features);
1379 if (IS_ERR(segs) || !segs)
1382 __skb_queue_head_init(&seg_list);
1388 __skb_queue_tail(&seg_list, nskb);
1391 skb_queue_splice(&seg_list, list);
1393 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1394 if (skb_checksum_help(skb) < 0)
1397 __skb_queue_head(list, skb);
1399 struct net_device_stats *stats;
1402 stats = &tp->netdev->stats;
1403 stats->tx_dropped++;
1408 /* msdn_giant_send_check()
1409 * According to the document of microsoft, the TCP Pseudo Header excludes the
1410 * packet length for IPv6 TCP large packets.
1412 static int msdn_giant_send_check(struct sk_buff *skb)
1414 const struct ipv6hdr *ipv6h;
1418 ret = skb_cow_head(skb, 0);
1422 ipv6h = ipv6_hdr(skb);
1426 th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
1431 static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb)
1433 if (skb_vlan_tag_present(skb)) {
1436 opts2 = TX_VLAN_TAG | swab16(skb_vlan_tag_get(skb));
1437 desc->opts2 |= cpu_to_le32(opts2);
1441 static inline void rtl_rx_vlan_tag(struct rx_desc *desc, struct sk_buff *skb)
1443 u32 opts2 = le32_to_cpu(desc->opts2);
1445 if (opts2 & RX_VLAN_TAG)
1446 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
1447 swab16(opts2 & 0xffff));
1450 static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
1451 struct sk_buff *skb, u32 len, u32 transport_offset)
1453 u32 mss = skb_shinfo(skb)->gso_size;
1454 u32 opts1, opts2 = 0;
1455 int ret = TX_CSUM_SUCCESS;
1457 WARN_ON_ONCE(len > TX_LEN_MAX);
1459 opts1 = len | TX_FS | TX_LS;
1462 if (transport_offset > GTTCPHO_MAX) {
1463 netif_warn(tp, tx_err, tp->netdev,
1464 "Invalid transport offset 0x%x for TSO\n",
1470 switch (vlan_get_protocol(skb)) {
1471 case htons(ETH_P_IP):
1475 case htons(ETH_P_IPV6):
1476 if (msdn_giant_send_check(skb)) {
1488 opts1 |= transport_offset << GTTCPHO_SHIFT;
1489 opts2 |= min(mss, MSS_MAX) << MSS_SHIFT;
1490 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1493 if (transport_offset > TCPHO_MAX) {
1494 netif_warn(tp, tx_err, tp->netdev,
1495 "Invalid transport offset 0x%x\n",
1501 switch (vlan_get_protocol(skb)) {
1502 case htons(ETH_P_IP):
1504 ip_protocol = ip_hdr(skb)->protocol;
1507 case htons(ETH_P_IPV6):
1509 ip_protocol = ipv6_hdr(skb)->nexthdr;
1513 ip_protocol = IPPROTO_RAW;
1517 if (ip_protocol == IPPROTO_TCP)
1519 else if (ip_protocol == IPPROTO_UDP)
1524 opts2 |= transport_offset << TCPHO_SHIFT;
1527 desc->opts2 = cpu_to_le32(opts2);
1528 desc->opts1 = cpu_to_le32(opts1);
1534 static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
1536 struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
1540 __skb_queue_head_init(&skb_head);
1541 spin_lock(&tx_queue->lock);
1542 skb_queue_splice_init(tx_queue, &skb_head);
1543 spin_unlock(&tx_queue->lock);
1545 tx_data = agg->head;
1548 remain = agg_buf_sz;
1550 while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) {
1551 struct tx_desc *tx_desc;
1552 struct sk_buff *skb;
1556 skb = __skb_dequeue(&skb_head);
1560 len = skb->len + sizeof(*tx_desc);
1563 __skb_queue_head(&skb_head, skb);
1567 tx_data = tx_agg_align(tx_data);
1568 tx_desc = (struct tx_desc *)tx_data;
1570 offset = (u32)skb_transport_offset(skb);
1572 if (r8152_tx_csum(tp, tx_desc, skb, skb->len, offset)) {
1573 r8152_csum_workaround(tp, skb, &skb_head);
1577 rtl_tx_vlan_tag(tx_desc, skb);
1579 tx_data += sizeof(*tx_desc);
1582 if (skb_copy_bits(skb, 0, tx_data, len) < 0) {
1583 struct net_device_stats *stats = &tp->netdev->stats;
1585 stats->tx_dropped++;
1586 dev_kfree_skb_any(skb);
1587 tx_data -= sizeof(*tx_desc);
1592 agg->skb_len += len;
1595 dev_kfree_skb_any(skb);
1597 remain = agg_buf_sz - (int)(tx_agg_align(tx_data) - agg->head);
1600 if (!skb_queue_empty(&skb_head)) {
1601 spin_lock(&tx_queue->lock);
1602 skb_queue_splice(&skb_head, tx_queue);
1603 spin_unlock(&tx_queue->lock);
1606 netif_tx_lock(tp->netdev);
1608 if (netif_queue_stopped(tp->netdev) &&
1609 skb_queue_len(&tp->tx_queue) < tp->tx_qlen)
1610 netif_wake_queue(tp->netdev);
1612 netif_tx_unlock(tp->netdev);
1614 ret = usb_autopm_get_interface_async(tp->intf);
1618 usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2),
1619 agg->head, (int)(tx_data - (u8 *)agg->head),
1620 (usb_complete_t)write_bulk_callback, agg);
1622 ret = usb_submit_urb(agg->urb, GFP_ATOMIC);
1624 usb_autopm_put_interface_async(tp->intf);
1630 static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc)
1632 u8 checksum = CHECKSUM_NONE;
1635 if (tp->version == RTL_VER_01)
1638 opts2 = le32_to_cpu(rx_desc->opts2);
1639 opts3 = le32_to_cpu(rx_desc->opts3);
1641 if (opts2 & RD_IPV4_CS) {
1643 checksum = CHECKSUM_NONE;
1644 else if ((opts2 & RD_UDP_CS) && (opts3 & UDPF))
1645 checksum = CHECKSUM_NONE;
1646 else if ((opts2 & RD_TCP_CS) && (opts3 & TCPF))
1647 checksum = CHECKSUM_NONE;
1649 checksum = CHECKSUM_UNNECESSARY;
1650 } else if (RD_IPV6_CS) {
1651 if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF))
1652 checksum = CHECKSUM_UNNECESSARY;
1653 else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF))
1654 checksum = CHECKSUM_UNNECESSARY;
1661 static int rx_bottom(struct r8152 *tp, int budget)
1663 unsigned long flags;
1664 struct list_head *cursor, *next, rx_queue;
1665 int ret = 0, work_done = 0;
1667 if (!skb_queue_empty(&tp->rx_queue)) {
1668 while (work_done < budget) {
1669 struct sk_buff *skb = __skb_dequeue(&tp->rx_queue);
1670 struct net_device *netdev = tp->netdev;
1671 struct net_device_stats *stats = &netdev->stats;
1672 unsigned int pkt_len;
1678 napi_gro_receive(&tp->napi, skb);
1680 stats->rx_packets++;
1681 stats->rx_bytes += pkt_len;
1685 if (list_empty(&tp->rx_done))
1688 INIT_LIST_HEAD(&rx_queue);
1689 spin_lock_irqsave(&tp->rx_lock, flags);
1690 list_splice_init(&tp->rx_done, &rx_queue);
1691 spin_unlock_irqrestore(&tp->rx_lock, flags);
1693 list_for_each_safe(cursor, next, &rx_queue) {
1694 struct rx_desc *rx_desc;
1700 list_del_init(cursor);
1702 agg = list_entry(cursor, struct rx_agg, list);
1704 if (urb->actual_length < ETH_ZLEN)
1707 rx_desc = agg->head;
1708 rx_data = agg->head;
1709 len_used += sizeof(struct rx_desc);
1711 while (urb->actual_length > len_used) {
1712 struct net_device *netdev = tp->netdev;
1713 struct net_device_stats *stats = &netdev->stats;
1714 unsigned int pkt_len;
1715 struct sk_buff *skb;
1717 pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
1718 if (pkt_len < ETH_ZLEN)
1721 len_used += pkt_len;
1722 if (urb->actual_length < len_used)
1725 pkt_len -= CRC_SIZE;
1726 rx_data += sizeof(struct rx_desc);
1728 skb = netdev_alloc_skb_ip_align(netdev, pkt_len);
1730 stats->rx_dropped++;
1734 skb->ip_summed = r8152_rx_csum(tp, rx_desc);
1735 memcpy(skb->data, rx_data, pkt_len);
1736 skb_put(skb, pkt_len);
1737 skb->protocol = eth_type_trans(skb, netdev);
1738 rtl_rx_vlan_tag(rx_desc, skb);
1739 if (work_done < budget) {
1740 napi_gro_receive(&tp->napi, skb);
1742 stats->rx_packets++;
1743 stats->rx_bytes += pkt_len;
1745 __skb_queue_tail(&tp->rx_queue, skb);
1749 rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE);
1750 rx_desc = (struct rx_desc *)rx_data;
1751 len_used = (int)(rx_data - (u8 *)agg->head);
1752 len_used += sizeof(struct rx_desc);
1757 ret = r8152_submit_rx(tp, agg, GFP_ATOMIC);
1759 urb->actual_length = 0;
1760 list_add_tail(&agg->list, next);
1764 if (!list_empty(&rx_queue)) {
1765 spin_lock_irqsave(&tp->rx_lock, flags);
1766 list_splice_tail(&rx_queue, &tp->rx_done);
1767 spin_unlock_irqrestore(&tp->rx_lock, flags);
1774 static void tx_bottom(struct r8152 *tp)
1781 if (skb_queue_empty(&tp->tx_queue))
1784 agg = r8152_get_tx_agg(tp);
1788 res = r8152_tx_agg_fill(tp, agg);
1790 struct net_device *netdev = tp->netdev;
1792 if (res == -ENODEV) {
1793 set_bit(RTL8152_UNPLUG, &tp->flags);
1794 netif_device_detach(netdev);
1796 struct net_device_stats *stats = &netdev->stats;
1797 unsigned long flags;
1799 netif_warn(tp, tx_err, netdev,
1800 "failed tx_urb %d\n", res);
1801 stats->tx_dropped += agg->skb_num;
1803 spin_lock_irqsave(&tp->tx_lock, flags);
1804 list_add_tail(&agg->list, &tp->tx_free);
1805 spin_unlock_irqrestore(&tp->tx_lock, flags);
1811 static void bottom_half(struct r8152 *tp)
1813 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1816 if (!test_bit(WORK_ENABLE, &tp->flags))
1819 /* When link down, the driver would cancel all bulks. */
1820 /* This avoid the re-submitting bulk */
1821 if (!netif_carrier_ok(tp->netdev))
1824 clear_bit(SCHEDULE_NAPI, &tp->flags);
1829 static int r8152_poll(struct napi_struct *napi, int budget)
1831 struct r8152 *tp = container_of(napi, struct r8152, napi);
1834 work_done = rx_bottom(tp, budget);
1837 if (work_done < budget) {
1838 napi_complete(napi);
1839 if (!list_empty(&tp->rx_done))
1840 napi_schedule(napi);
1847 int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
1851 /* The rx would be stopped, so skip submitting */
1852 if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
1853 !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))
1856 usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
1857 agg->head, agg_buf_sz,
1858 (usb_complete_t)read_bulk_callback, agg);
1860 ret = usb_submit_urb(agg->urb, mem_flags);
1861 if (ret == -ENODEV) {
1862 set_bit(RTL8152_UNPLUG, &tp->flags);
1863 netif_device_detach(tp->netdev);
1865 struct urb *urb = agg->urb;
1866 unsigned long flags;
1868 urb->actual_length = 0;
1869 spin_lock_irqsave(&tp->rx_lock, flags);
1870 list_add_tail(&agg->list, &tp->rx_done);
1871 spin_unlock_irqrestore(&tp->rx_lock, flags);
1873 netif_err(tp, rx_err, tp->netdev,
1874 "Couldn't submit rx[%p], ret = %d\n", agg, ret);
1876 napi_schedule(&tp->napi);
1882 static void rtl_drop_queued_tx(struct r8152 *tp)
1884 struct net_device_stats *stats = &tp->netdev->stats;
1885 struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
1886 struct sk_buff *skb;
1888 if (skb_queue_empty(tx_queue))
1891 __skb_queue_head_init(&skb_head);
1892 spin_lock_bh(&tx_queue->lock);
1893 skb_queue_splice_init(tx_queue, &skb_head);
1894 spin_unlock_bh(&tx_queue->lock);
1896 while ((skb = __skb_dequeue(&skb_head))) {
1898 stats->tx_dropped++;
1902 static void rtl8152_tx_timeout(struct net_device *netdev)
1904 struct r8152 *tp = netdev_priv(netdev);
1906 netif_warn(tp, tx_err, netdev, "Tx timeout\n");
1908 usb_queue_reset_device(tp->intf);
1911 static void rtl8152_set_rx_mode(struct net_device *netdev)
1913 struct r8152 *tp = netdev_priv(netdev);
1915 if (netif_carrier_ok(netdev)) {
1916 set_bit(RTL8152_SET_RX_MODE, &tp->flags);
1917 schedule_delayed_work(&tp->schedule, 0);
1921 static void _rtl8152_set_rx_mode(struct net_device *netdev)
1923 struct r8152 *tp = netdev_priv(netdev);
1924 u32 mc_filter[2]; /* Multicast hash filter */
1928 clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
1929 netif_stop_queue(netdev);
1930 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
1931 ocp_data &= ~RCR_ACPT_ALL;
1932 ocp_data |= RCR_AB | RCR_APM;
1934 if (netdev->flags & IFF_PROMISC) {
1935 /* Unconditionally log net taps. */
1936 netif_notice(tp, link, netdev, "Promiscuous mode enabled\n");
1937 ocp_data |= RCR_AM | RCR_AAP;
1938 mc_filter[1] = 0xffffffff;
1939 mc_filter[0] = 0xffffffff;
1940 } else if ((netdev_mc_count(netdev) > multicast_filter_limit) ||
1941 (netdev->flags & IFF_ALLMULTI)) {
1942 /* Too many to filter perfectly -- accept all multicasts. */
1944 mc_filter[1] = 0xffffffff;
1945 mc_filter[0] = 0xffffffff;
1947 struct netdev_hw_addr *ha;
1951 netdev_for_each_mc_addr(ha, netdev) {
1952 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
1954 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
1959 tmp[0] = __cpu_to_le32(swab32(mc_filter[1]));
1960 tmp[1] = __cpu_to_le32(swab32(mc_filter[0]));
1962 pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
1963 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
1964 netif_wake_queue(netdev);
1967 static netdev_features_t
1968 rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
1969 netdev_features_t features)
1971 u32 mss = skb_shinfo(skb)->gso_size;
1972 int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
1973 int offset = skb_transport_offset(skb);
1975 if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
1976 features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK);
1977 else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
1978 features &= ~NETIF_F_GSO_MASK;
1983 static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
1984 struct net_device *netdev)
1986 struct r8152 *tp = netdev_priv(netdev);
1988 skb_tx_timestamp(skb);
1990 skb_queue_tail(&tp->tx_queue, skb);
1992 if (!list_empty(&tp->tx_free)) {
1993 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
1994 set_bit(SCHEDULE_NAPI, &tp->flags);
1995 schedule_delayed_work(&tp->schedule, 0);
1997 usb_mark_last_busy(tp->udev);
1998 napi_schedule(&tp->napi);
2000 } else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) {
2001 netif_stop_queue(netdev);
2004 return NETDEV_TX_OK;
2007 static void r8152b_reset_packet_filter(struct r8152 *tp)
2011 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC);
2012 ocp_data &= ~FMC_FCR_MCU_EN;
2013 ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
2014 ocp_data |= FMC_FCR_MCU_EN;
2015 ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
2018 static void rtl8152_nic_reset(struct r8152 *tp)
2022 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST);
2024 for (i = 0; i < 1000; i++) {
2025 if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST))
2027 usleep_range(100, 400);
2031 static void set_tx_qlen(struct r8152 *tp)
2033 struct net_device *netdev = tp->netdev;
2035 tp->tx_qlen = agg_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + VLAN_HLEN +
2036 sizeof(struct tx_desc));
2039 static inline u8 rtl8152_get_speed(struct r8152 *tp)
2041 return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS);
2044 static void rtl_set_eee_plus(struct r8152 *tp)
2049 speed = rtl8152_get_speed(tp);
2050 if (speed & _10bps) {
2051 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
2052 ocp_data |= EEEP_CR_EEEP_TX;
2053 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
2055 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
2056 ocp_data &= ~EEEP_CR_EEEP_TX;
2057 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
2061 static void rxdy_gated_en(struct r8152 *tp, bool enable)
2065 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1);
2067 ocp_data |= RXDY_GATED_EN;
2069 ocp_data &= ~RXDY_GATED_EN;
2070 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data);
2073 static int rtl_start_rx(struct r8152 *tp)
2077 INIT_LIST_HEAD(&tp->rx_done);
2078 for (i = 0; i < RTL8152_MAX_RX; i++) {
2079 INIT_LIST_HEAD(&tp->rx_info[i].list);
2080 ret = r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL);
2085 if (ret && ++i < RTL8152_MAX_RX) {
2086 struct list_head rx_queue;
2087 unsigned long flags;
2089 INIT_LIST_HEAD(&rx_queue);
2092 struct rx_agg *agg = &tp->rx_info[i++];
2093 struct urb *urb = agg->urb;
2095 urb->actual_length = 0;
2096 list_add_tail(&agg->list, &rx_queue);
2097 } while (i < RTL8152_MAX_RX);
2099 spin_lock_irqsave(&tp->rx_lock, flags);
2100 list_splice_tail(&rx_queue, &tp->rx_done);
2101 spin_unlock_irqrestore(&tp->rx_lock, flags);
2107 static int rtl_stop_rx(struct r8152 *tp)
2111 for (i = 0; i < RTL8152_MAX_RX; i++)
2112 usb_kill_urb(tp->rx_info[i].urb);
2114 while (!skb_queue_empty(&tp->rx_queue))
2115 dev_kfree_skb(__skb_dequeue(&tp->rx_queue));
2120 static int rtl_enable(struct r8152 *tp)
2124 r8152b_reset_packet_filter(tp);
2126 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
2127 ocp_data |= CR_RE | CR_TE;
2128 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
2130 rxdy_gated_en(tp, false);
2135 static int rtl8152_enable(struct r8152 *tp)
2137 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2141 rtl_set_eee_plus(tp);
2143 return rtl_enable(tp);
2146 static void r8153_set_rx_early_timeout(struct r8152 *tp)
2148 u32 ocp_data = tp->coalesce / 8;
2150 ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT, ocp_data);
2153 static void r8153_set_rx_early_size(struct r8152 *tp)
2155 u32 mtu = tp->netdev->mtu;
2156 u32 ocp_data = (agg_buf_sz - mtu - VLAN_ETH_HLEN - VLAN_HLEN) / 4;
2158 ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data);
2161 static int rtl8153_enable(struct r8152 *tp)
2163 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2166 usb_disable_lpm(tp->udev);
2168 rtl_set_eee_plus(tp);
2169 r8153_set_rx_early_timeout(tp);
2170 r8153_set_rx_early_size(tp);
2172 return rtl_enable(tp);
2175 static void rtl_disable(struct r8152 *tp)
2180 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2181 rtl_drop_queued_tx(tp);
2185 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2186 ocp_data &= ~RCR_ACPT_ALL;
2187 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2189 rtl_drop_queued_tx(tp);
2191 for (i = 0; i < RTL8152_MAX_TX; i++)
2192 usb_kill_urb(tp->tx_info[i].urb);
2194 rxdy_gated_en(tp, true);
2196 for (i = 0; i < 1000; i++) {
2197 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2198 if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
2200 usleep_range(1000, 2000);
2203 for (i = 0; i < 1000; i++) {
2204 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
2206 usleep_range(1000, 2000);
2211 rtl8152_nic_reset(tp);
2214 static void r8152_power_cut_en(struct r8152 *tp, bool enable)
2218 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL);
2220 ocp_data |= POWER_CUT;
2222 ocp_data &= ~POWER_CUT;
2223 ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data);
2225 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS);
2226 ocp_data &= ~RESUME_INDICATE;
2227 ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data);
2230 static void rtl_rx_vlan_en(struct r8152 *tp, bool enable)
2234 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
2236 ocp_data |= CPCR_RX_VLAN;
2238 ocp_data &= ~CPCR_RX_VLAN;
2239 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
2242 static int rtl8152_set_features(struct net_device *dev,
2243 netdev_features_t features)
2245 netdev_features_t changed = features ^ dev->features;
2246 struct r8152 *tp = netdev_priv(dev);
2249 ret = usb_autopm_get_interface(tp->intf);
2253 mutex_lock(&tp->control);
2255 if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
2256 if (features & NETIF_F_HW_VLAN_CTAG_RX)
2257 rtl_rx_vlan_en(tp, true);
2259 rtl_rx_vlan_en(tp, false);
2262 mutex_unlock(&tp->control);
2264 usb_autopm_put_interface(tp->intf);
2270 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
2272 static u32 __rtl_get_wol(struct r8152 *tp)
2277 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2278 if (!(ocp_data & LAN_WAKE_EN))
2281 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2282 if (ocp_data & LINK_ON_WAKE_EN)
2283 wolopts |= WAKE_PHY;
2285 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2286 if (ocp_data & UWF_EN)
2287 wolopts |= WAKE_UCAST;
2288 if (ocp_data & BWF_EN)
2289 wolopts |= WAKE_BCAST;
2290 if (ocp_data & MWF_EN)
2291 wolopts |= WAKE_MCAST;
2293 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
2294 if (ocp_data & MAGIC_EN)
2295 wolopts |= WAKE_MAGIC;
2300 static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
2304 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
2306 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2307 ocp_data &= ~LINK_ON_WAKE_EN;
2308 if (wolopts & WAKE_PHY)
2309 ocp_data |= LINK_ON_WAKE_EN;
2310 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
2312 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2313 ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN);
2314 if (wolopts & WAKE_UCAST)
2316 if (wolopts & WAKE_BCAST)
2318 if (wolopts & WAKE_MCAST)
2320 if (wolopts & WAKE_ANY)
2321 ocp_data |= LAN_WAKE_EN;
2322 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
2324 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2326 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
2327 ocp_data &= ~MAGIC_EN;
2328 if (wolopts & WAKE_MAGIC)
2329 ocp_data |= MAGIC_EN;
2330 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);
2332 if (wolopts & WAKE_ANY)
2333 device_set_wakeup_enable(&tp->udev->dev, true);
2335 device_set_wakeup_enable(&tp->udev->dev, false);
2338 static void r8153_u1u2en(struct r8152 *tp, bool enable)
2343 memset(u1u2, 0xff, sizeof(u1u2));
2345 memset(u1u2, 0x00, sizeof(u1u2));
2347 usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
2350 static void r8153_u2p3en(struct r8152 *tp, bool enable)
2354 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
2355 if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04)
2356 ocp_data |= U2P3_ENABLE;
2358 ocp_data &= ~U2P3_ENABLE;
2359 ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
2362 static void r8153_power_cut_en(struct r8152 *tp, bool enable)
2366 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
2368 ocp_data |= PWR_EN | PHASE2_EN;
2370 ocp_data &= ~(PWR_EN | PHASE2_EN);
2371 ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
2373 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
2374 ocp_data &= ~PCUT_STATUS;
2375 ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
2378 static bool rtl_can_wakeup(struct r8152 *tp)
2380 struct usb_device *udev = tp->udev;
2382 return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP);
2385 static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
2390 r8153_u1u2en(tp, false);
2391 r8153_u2p3en(tp, false);
2393 __rtl_set_wol(tp, WAKE_ANY);
2395 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
2397 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2398 ocp_data |= LINK_OFF_WAKE_EN;
2399 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
2401 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2403 __rtl_set_wol(tp, tp->saved_wolopts);
2404 r8153_u2p3en(tp, true);
2405 r8153_u1u2en(tp, true);
2409 static void rtl_phy_reset(struct r8152 *tp)
2414 clear_bit(PHY_RESET, &tp->flags);
2416 data = r8152_mdio_read(tp, MII_BMCR);
2418 /* don't reset again before the previous one complete */
2419 if (data & BMCR_RESET)
2423 r8152_mdio_write(tp, MII_BMCR, data);
2425 for (i = 0; i < 50; i++) {
2427 if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
2432 static void r8153_teredo_off(struct r8152 *tp)
2436 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
2437 ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK | OOB_TEREDO_EN);
2438 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
2440 ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE);
2441 ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0);
2442 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
2445 static void r8152b_disable_aldps(struct r8152 *tp)
2447 ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE);
2451 static inline void r8152b_enable_aldps(struct r8152 *tp)
2453 ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
2454 LINKENA | DIS_SDSAVE);
2457 static void rtl8152_disable(struct r8152 *tp)
2459 r8152b_disable_aldps(tp);
2461 r8152b_enable_aldps(tp);
2464 static void r8152b_hw_phy_cfg(struct r8152 *tp)
2468 data = r8152_mdio_read(tp, MII_BMCR);
2469 if (data & BMCR_PDOWN) {
2470 data &= ~BMCR_PDOWN;
2471 r8152_mdio_write(tp, MII_BMCR, data);
2474 set_bit(PHY_RESET, &tp->flags);
2477 static void r8152b_exit_oob(struct r8152 *tp)
2482 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2483 ocp_data &= ~RCR_ACPT_ALL;
2484 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2486 rxdy_gated_en(tp, true);
2487 r8153_teredo_off(tp);
2488 r8152b_hw_phy_cfg(tp);
2490 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2491 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00);
2493 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2494 ocp_data &= ~NOW_IS_OOB;
2495 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2497 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2498 ocp_data &= ~MCU_BORW_EN;
2499 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2501 for (i = 0; i < 1000; i++) {
2502 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2503 if (ocp_data & LINK_LIST_READY)
2505 usleep_range(1000, 2000);
2508 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2509 ocp_data |= RE_INIT_LL;
2510 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2512 for (i = 0; i < 1000; i++) {
2513 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2514 if (ocp_data & LINK_LIST_READY)
2516 usleep_range(1000, 2000);
2519 rtl8152_nic_reset(tp);
2521 /* rx share fifo credit full threshold */
2522 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
2524 if (tp->udev->speed == USB_SPEED_FULL ||
2525 tp->udev->speed == USB_SPEED_LOW) {
2526 /* rx share fifo credit near full threshold */
2527 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
2529 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
2532 /* rx share fifo credit near full threshold */
2533 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
2535 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
2539 /* TX share fifo free credit full threshold */
2540 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL);
2542 ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD);
2543 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH);
2544 ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA,
2545 TEST_MODE_DISABLE | TX_SIZE_ADJUST1);
2547 rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
2549 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2551 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
2552 ocp_data |= TCR0_AUTO_FIFO;
2553 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
2556 static void r8152b_enter_oob(struct r8152 *tp)
2561 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2562 ocp_data &= ~NOW_IS_OOB;
2563 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2565 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
2566 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
2567 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
2571 for (i = 0; i < 1000; i++) {
2572 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2573 if (ocp_data & LINK_LIST_READY)
2575 usleep_range(1000, 2000);
2578 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2579 ocp_data |= RE_INIT_LL;
2580 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2582 for (i = 0; i < 1000; i++) {
2583 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2584 if (ocp_data & LINK_LIST_READY)
2586 usleep_range(1000, 2000);
2589 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2591 rtl_rx_vlan_en(tp, true);
2593 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
2594 ocp_data |= ALDPS_PROXY_MODE;
2595 ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
2597 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2598 ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
2599 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2601 rxdy_gated_en(tp, false);
2603 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2604 ocp_data |= RCR_APM | RCR_AM | RCR_AB;
2605 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2608 static void r8153_hw_phy_cfg(struct r8152 *tp)
2613 ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
2614 data = r8152_mdio_read(tp, MII_BMCR);
2615 if (data & BMCR_PDOWN) {
2616 data &= ~BMCR_PDOWN;
2617 r8152_mdio_write(tp, MII_BMCR, data);
2620 if (tp->version == RTL_VER_03) {
2621 data = ocp_reg_read(tp, OCP_EEE_CFG);
2622 data &= ~CTAP_SHORT_EN;
2623 ocp_reg_write(tp, OCP_EEE_CFG, data);
2626 data = ocp_reg_read(tp, OCP_POWER_CFG);
2627 data |= EEE_CLKDIV_EN;
2628 ocp_reg_write(tp, OCP_POWER_CFG, data);
2630 data = ocp_reg_read(tp, OCP_DOWN_SPEED);
2631 data |= EN_10M_BGOFF;
2632 ocp_reg_write(tp, OCP_DOWN_SPEED, data);
2633 data = ocp_reg_read(tp, OCP_POWER_CFG);
2634 data |= EN_10M_PLLOFF;
2635 ocp_reg_write(tp, OCP_POWER_CFG, data);
2636 sram_write(tp, SRAM_IMPEDANCE, 0x0b13);
2638 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
2639 ocp_data |= PFM_PWM_SWITCH;
2640 ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
2642 /* Enable LPF corner auto tune */
2643 sram_write(tp, SRAM_LPF_CFG, 0xf70f);
2645 /* Adjust 10M Amplitude */
2646 sram_write(tp, SRAM_10M_AMP1, 0x00af);
2647 sram_write(tp, SRAM_10M_AMP2, 0x0208);
2649 set_bit(PHY_RESET, &tp->flags);
2652 static void r8153_first_init(struct r8152 *tp)
2657 rxdy_gated_en(tp, true);
2658 r8153_teredo_off(tp);
2660 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2661 ocp_data &= ~RCR_ACPT_ALL;
2662 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2664 r8153_hw_phy_cfg(tp);
2666 rtl8152_nic_reset(tp);
2668 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2669 ocp_data &= ~NOW_IS_OOB;
2670 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2672 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2673 ocp_data &= ~MCU_BORW_EN;
2674 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2676 for (i = 0; i < 1000; i++) {
2677 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2678 if (ocp_data & LINK_LIST_READY)
2680 usleep_range(1000, 2000);
2683 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2684 ocp_data |= RE_INIT_LL;
2685 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2687 for (i = 0; i < 1000; i++) {
2688 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2689 if (ocp_data & LINK_LIST_READY)
2691 usleep_range(1000, 2000);
2694 rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
2696 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
2697 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
2699 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
2700 ocp_data |= TCR0_AUTO_FIFO;
2701 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
2703 rtl8152_nic_reset(tp);
2705 /* rx share fifo credit full threshold */
2706 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
2707 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
2708 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
2709 /* TX share fifo free credit full threshold */
2710 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
2712 /* rx aggregation */
2713 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
2714 ocp_data &= ~RX_AGG_DISABLE;
2715 ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
2718 static void r8153_enter_oob(struct r8152 *tp)
2723 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2724 ocp_data &= ~NOW_IS_OOB;
2725 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2729 for (i = 0; i < 1000; i++) {
2730 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2731 if (ocp_data & LINK_LIST_READY)
2733 usleep_range(1000, 2000);
2736 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2737 ocp_data |= RE_INIT_LL;
2738 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2740 for (i = 0; i < 1000; i++) {
2741 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2742 if (ocp_data & LINK_LIST_READY)
2744 usleep_range(1000, 2000);
2747 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
2749 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
2750 ocp_data &= ~TEREDO_WAKE_MASK;
2751 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
2753 rtl_rx_vlan_en(tp, true);
2755 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
2756 ocp_data |= ALDPS_PROXY_MODE;
2757 ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
2759 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2760 ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
2761 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2763 rxdy_gated_en(tp, false);
2765 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2766 ocp_data |= RCR_APM | RCR_AM | RCR_AB;
2767 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2770 static void r8153_disable_aldps(struct r8152 *tp)
2774 data = ocp_reg_read(tp, OCP_POWER_CFG);
2776 ocp_reg_write(tp, OCP_POWER_CFG, data);
2780 static void r8153_enable_aldps(struct r8152 *tp)
2784 data = ocp_reg_read(tp, OCP_POWER_CFG);
2786 ocp_reg_write(tp, OCP_POWER_CFG, data);
2789 static void rtl8153_disable(struct r8152 *tp)
2791 r8153_disable_aldps(tp);
2793 r8153_enable_aldps(tp);
2794 usb_enable_lpm(tp->udev);
2797 static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
2799 u16 bmcr, anar, gbcr;
2802 cancel_delayed_work_sync(&tp->schedule);
2803 anar = r8152_mdio_read(tp, MII_ADVERTISE);
2804 anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
2805 ADVERTISE_100HALF | ADVERTISE_100FULL);
2806 if (tp->mii.supports_gmii) {
2807 gbcr = r8152_mdio_read(tp, MII_CTRL1000);
2808 gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
2813 if (autoneg == AUTONEG_DISABLE) {
2814 if (speed == SPEED_10) {
2816 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2817 } else if (speed == SPEED_100) {
2818 bmcr = BMCR_SPEED100;
2819 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2820 } else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
2821 bmcr = BMCR_SPEED1000;
2822 gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
2828 if (duplex == DUPLEX_FULL)
2829 bmcr |= BMCR_FULLDPLX;
2831 if (speed == SPEED_10) {
2832 if (duplex == DUPLEX_FULL)
2833 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2835 anar |= ADVERTISE_10HALF;
2836 } else if (speed == SPEED_100) {
2837 if (duplex == DUPLEX_FULL) {
2838 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2839 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2841 anar |= ADVERTISE_10HALF;
2842 anar |= ADVERTISE_100HALF;
2844 } else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
2845 if (duplex == DUPLEX_FULL) {
2846 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2847 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2848 gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
2850 anar |= ADVERTISE_10HALF;
2851 anar |= ADVERTISE_100HALF;
2852 gbcr |= ADVERTISE_1000HALF;
2859 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
2862 if (test_bit(PHY_RESET, &tp->flags))
2865 if (tp->mii.supports_gmii)
2866 r8152_mdio_write(tp, MII_CTRL1000, gbcr);
2868 r8152_mdio_write(tp, MII_ADVERTISE, anar);
2869 r8152_mdio_write(tp, MII_BMCR, bmcr);
2871 if (test_bit(PHY_RESET, &tp->flags)) {
2874 clear_bit(PHY_RESET, &tp->flags);
2875 for (i = 0; i < 50; i++) {
2877 if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
2887 static void rtl8152_up(struct r8152 *tp)
2889 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2892 r8152b_disable_aldps(tp);
2893 r8152b_exit_oob(tp);
2894 r8152b_enable_aldps(tp);
2897 static void rtl8152_down(struct r8152 *tp)
2899 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2900 rtl_drop_queued_tx(tp);
2904 r8152_power_cut_en(tp, false);
2905 r8152b_disable_aldps(tp);
2906 r8152b_enter_oob(tp);
2907 r8152b_enable_aldps(tp);
2910 static void rtl8153_up(struct r8152 *tp)
2912 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2915 r8153_u1u2en(tp, false);
2916 r8153_disable_aldps(tp);
2917 r8153_first_init(tp);
2918 r8153_enable_aldps(tp);
2919 r8153_u2p3en(tp, true);
2920 r8153_u1u2en(tp, true);
2921 usb_enable_lpm(tp->udev);
2924 static void rtl8153_down(struct r8152 *tp)
2926 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2927 rtl_drop_queued_tx(tp);
2931 r8153_u1u2en(tp, false);
2932 r8153_u2p3en(tp, false);
2933 r8153_power_cut_en(tp, false);
2934 r8153_disable_aldps(tp);
2935 r8153_enter_oob(tp);
2936 r8153_enable_aldps(tp);
2939 static void set_carrier(struct r8152 *tp)
2941 struct net_device *netdev = tp->netdev;
2944 clear_bit(RTL8152_LINK_CHG, &tp->flags);
2945 speed = rtl8152_get_speed(tp);
2947 if (speed & LINK_STATUS) {
2948 if (!netif_carrier_ok(netdev)) {
2949 tp->rtl_ops.enable(tp);
2950 set_bit(RTL8152_SET_RX_MODE, &tp->flags);
2951 napi_disable(&tp->napi);
2952 netif_carrier_on(netdev);
2954 napi_enable(&tp->napi);
2957 if (netif_carrier_ok(netdev)) {
2958 netif_carrier_off(netdev);
2959 napi_disable(&tp->napi);
2960 tp->rtl_ops.disable(tp);
2961 napi_enable(&tp->napi);
2966 static void rtl_work_func_t(struct work_struct *work)
2968 struct r8152 *tp = container_of(work, struct r8152, schedule.work);
2970 /* If the device is unplugged or !netif_running(), the workqueue
2971 * doesn't need to wake the device, and could return directly.
2973 if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev))
2976 if (usb_autopm_get_interface(tp->intf) < 0)
2979 if (!test_bit(WORK_ENABLE, &tp->flags))
2982 if (!mutex_trylock(&tp->control)) {
2983 schedule_delayed_work(&tp->schedule, 0);
2987 if (test_bit(RTL8152_LINK_CHG, &tp->flags))
2990 if (test_bit(RTL8152_SET_RX_MODE, &tp->flags))
2991 _rtl8152_set_rx_mode(tp->netdev);
2993 /* don't schedule napi before linking */
2994 if (test_bit(SCHEDULE_NAPI, &tp->flags) &&
2995 netif_carrier_ok(tp->netdev)) {
2996 clear_bit(SCHEDULE_NAPI, &tp->flags);
2997 napi_schedule(&tp->napi);
3000 if (test_bit(PHY_RESET, &tp->flags))
3003 mutex_unlock(&tp->control);
3006 usb_autopm_put_interface(tp->intf);
3009 static int rtl8152_open(struct net_device *netdev)
3011 struct r8152 *tp = netdev_priv(netdev);
3014 res = alloc_all_mem(tp);
3018 netif_carrier_off(netdev);
3020 res = usb_autopm_get_interface(tp->intf);
3026 mutex_lock(&tp->control);
3028 /* The WORK_ENABLE may be set when autoresume occurs */
3029 if (test_bit(WORK_ENABLE, &tp->flags)) {
3030 clear_bit(WORK_ENABLE, &tp->flags);
3031 usb_kill_urb(tp->intr_urb);
3032 cancel_delayed_work_sync(&tp->schedule);
3034 /* disable the tx/rx, if the workqueue has enabled them. */
3035 if (netif_carrier_ok(netdev))
3036 tp->rtl_ops.disable(tp);
3041 rtl8152_set_speed(tp, AUTONEG_ENABLE,
3042 tp->mii.supports_gmii ? SPEED_1000 : SPEED_100,
3044 netif_carrier_off(netdev);
3045 netif_start_queue(netdev);
3046 set_bit(WORK_ENABLE, &tp->flags);
3048 res = usb_submit_urb(tp->intr_urb, GFP_KERNEL);
3051 netif_device_detach(tp->netdev);
3052 netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n",
3056 napi_enable(&tp->napi);
3059 mutex_unlock(&tp->control);
3061 usb_autopm_put_interface(tp->intf);
3067 static int rtl8152_close(struct net_device *netdev)
3069 struct r8152 *tp = netdev_priv(netdev);
3072 napi_disable(&tp->napi);
3073 clear_bit(WORK_ENABLE, &tp->flags);
3074 usb_kill_urb(tp->intr_urb);
3075 cancel_delayed_work_sync(&tp->schedule);
3076 netif_stop_queue(netdev);
3078 res = usb_autopm_get_interface(tp->intf);
3079 if (res < 0 || test_bit(RTL8152_UNPLUG, &tp->flags)) {
3080 rtl_drop_queued_tx(tp);
3083 mutex_lock(&tp->control);
3085 /* The autosuspend may have been enabled and wouldn't
3086 * be disable when autoresume occurs, because the
3087 * netif_running() would be false.
3089 rtl_runtime_suspend_enable(tp, false);
3091 tp->rtl_ops.down(tp);
3093 mutex_unlock(&tp->control);
3095 usb_autopm_put_interface(tp->intf);
3103 static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg)
3105 ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev);
3106 ocp_reg_write(tp, OCP_EEE_DATA, reg);
3107 ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev);
3110 static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg)
3114 r8152_mmd_indirect(tp, dev, reg);
3115 data = ocp_reg_read(tp, OCP_EEE_DATA);
3116 ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
3121 static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data)
3123 r8152_mmd_indirect(tp, dev, reg);
3124 ocp_reg_write(tp, OCP_EEE_DATA, data);
3125 ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
3128 static void r8152_eee_en(struct r8152 *tp, bool enable)
3130 u16 config1, config2, config3;
3133 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3134 config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask;
3135 config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2);
3136 config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask;
3139 ocp_data |= EEE_RX_EN | EEE_TX_EN;
3140 config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN;
3141 config1 |= sd_rise_time(1);
3142 config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN;
3143 config3 |= fast_snr(42);
3145 ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
3146 config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN |
3148 config1 |= sd_rise_time(7);
3149 config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN);
3150 config3 |= fast_snr(511);
3153 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
3154 ocp_reg_write(tp, OCP_EEE_CONFIG1, config1);
3155 ocp_reg_write(tp, OCP_EEE_CONFIG2, config2);
3156 ocp_reg_write(tp, OCP_EEE_CONFIG3, config3);
3159 static void r8152b_enable_eee(struct r8152 *tp)
3161 r8152_eee_en(tp, true);
3162 r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, MDIO_EEE_100TX);
3165 static void r8153_eee_en(struct r8152 *tp, bool enable)
3170 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3171 config = ocp_reg_read(tp, OCP_EEE_CFG);
3174 ocp_data |= EEE_RX_EN | EEE_TX_EN;
3177 ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
3178 config &= ~EEE10_EN;
3181 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
3182 ocp_reg_write(tp, OCP_EEE_CFG, config);
3185 static void r8153_enable_eee(struct r8152 *tp)
3187 r8153_eee_en(tp, true);
3188 ocp_reg_write(tp, OCP_EEE_ADV, MDIO_EEE_1000T | MDIO_EEE_100TX);
3191 static void r8152b_enable_fc(struct r8152 *tp)
3195 anar = r8152_mdio_read(tp, MII_ADVERTISE);
3196 anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
3197 r8152_mdio_write(tp, MII_ADVERTISE, anar);
3200 static void rtl_tally_reset(struct r8152 *tp)
3204 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY);
3205 ocp_data |= TALLY_RESET;
3206 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
3209 static void r8152b_init(struct r8152 *tp)
3213 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3216 r8152b_disable_aldps(tp);
3218 if (tp->version == RTL_VER_01) {
3219 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
3220 ocp_data &= ~LED_MODE_MASK;
3221 ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
3224 r8152_power_cut_en(tp, false);
3226 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
3227 ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH;
3228 ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
3229 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL);
3230 ocp_data &= ~MCU_CLK_RATIO_MASK;
3231 ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN;
3232 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data);
3233 ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK |
3234 SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK;
3235 ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
3237 r8152b_enable_eee(tp);
3238 r8152b_enable_aldps(tp);
3239 r8152b_enable_fc(tp);
3240 rtl_tally_reset(tp);
3242 /* enable rx aggregation */
3243 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
3244 ocp_data &= ~RX_AGG_DISABLE;
3245 ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
3248 static void r8153_init(struct r8152 *tp)
3253 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3256 r8153_disable_aldps(tp);
3257 r8153_u1u2en(tp, false);
3259 for (i = 0; i < 500; i++) {
3260 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
3266 for (i = 0; i < 500; i++) {
3267 ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
3268 if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN)
3273 usb_disable_lpm(tp->udev);
3274 r8153_u2p3en(tp, false);
3276 if (tp->version == RTL_VER_04) {
3277 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2);
3278 ocp_data &= ~pwd_dn_scale_mask;
3279 ocp_data |= pwd_dn_scale(96);
3280 ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2, ocp_data);
3282 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
3283 ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
3284 ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
3285 } else if (tp->version == RTL_VER_05) {
3286 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0);
3287 ocp_data &= ~ECM_ALDPS;
3288 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0, ocp_data);
3290 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
3291 if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
3292 ocp_data &= ~DYNAMIC_BURST;
3294 ocp_data |= DYNAMIC_BURST;
3295 ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
3298 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2);
3299 ocp_data |= EP4_FULL_FC;
3300 ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2, ocp_data);
3302 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
3303 ocp_data &= ~TIMER11_EN;
3304 ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
3306 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
3307 ocp_data &= ~LED_MODE_MASK;
3308 ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
3310 ocp_data = FIFO_EMPTY_1FB | ROK_EXIT_LPM;
3311 if (tp->version == RTL_VER_04 && tp->udev->speed != USB_SPEED_SUPER)
3312 ocp_data |= LPM_TIMER_500MS;
3314 ocp_data |= LPM_TIMER_500US;
3315 ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
3317 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
3318 ocp_data &= ~SEN_VAL_MASK;
3319 ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
3320 ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
3322 ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001);
3324 r8153_power_cut_en(tp, false);
3325 r8153_u1u2en(tp, true);
3327 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ALDPS_SPDWN_RATIO);
3328 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, EEE_SPDWN_RATIO);
3329 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3,
3330 PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN |
3331 U1U2_SPDWN_EN | L1_SPDWN_EN);
3332 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4,
3333 PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN |
3334 TP100_SPDWN_EN | TP500_SPDWN_EN | TP1000_SPDWN_EN |
3337 r8153_enable_eee(tp);
3338 r8153_enable_aldps(tp);
3339 r8152b_enable_fc(tp);
3340 rtl_tally_reset(tp);
3341 r8153_u2p3en(tp, true);
3344 static int rtl8152_pre_reset(struct usb_interface *intf)
3346 struct r8152 *tp = usb_get_intfdata(intf);
3347 struct net_device *netdev;
3352 netdev = tp->netdev;
3353 if (!netif_running(netdev))
3356 napi_disable(&tp->napi);
3357 clear_bit(WORK_ENABLE, &tp->flags);
3358 usb_kill_urb(tp->intr_urb);
3359 cancel_delayed_work_sync(&tp->schedule);
3360 if (netif_carrier_ok(netdev)) {
3361 netif_stop_queue(netdev);
3362 mutex_lock(&tp->control);
3363 tp->rtl_ops.disable(tp);
3364 mutex_unlock(&tp->control);
3370 static int rtl8152_post_reset(struct usb_interface *intf)
3372 struct r8152 *tp = usb_get_intfdata(intf);
3373 struct net_device *netdev;
3378 netdev = tp->netdev;
3379 if (!netif_running(netdev))
3382 set_bit(WORK_ENABLE, &tp->flags);
3383 if (netif_carrier_ok(netdev)) {
3384 mutex_lock(&tp->control);
3385 tp->rtl_ops.enable(tp);
3386 rtl8152_set_rx_mode(netdev);
3387 mutex_unlock(&tp->control);
3388 netif_wake_queue(netdev);
3391 napi_enable(&tp->napi);
3396 static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
3398 struct r8152 *tp = usb_get_intfdata(intf);
3399 struct net_device *netdev = tp->netdev;
3402 mutex_lock(&tp->control);
3404 if (PMSG_IS_AUTO(message)) {
3405 if (netif_running(netdev) && work_busy(&tp->schedule.work)) {
3410 set_bit(SELECTIVE_SUSPEND, &tp->flags);
3412 netif_device_detach(netdev);
3415 if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
3416 clear_bit(WORK_ENABLE, &tp->flags);
3417 usb_kill_urb(tp->intr_urb);
3418 napi_disable(&tp->napi);
3419 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3421 rtl_runtime_suspend_enable(tp, true);
3423 cancel_delayed_work_sync(&tp->schedule);
3424 tp->rtl_ops.down(tp);
3426 napi_enable(&tp->napi);
3429 mutex_unlock(&tp->control);
3434 static int rtl8152_resume(struct usb_interface *intf)
3436 struct r8152 *tp = usb_get_intfdata(intf);
3438 mutex_lock(&tp->control);
3440 if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3441 tp->rtl_ops.init(tp);
3442 netif_device_attach(tp->netdev);
3445 if (netif_running(tp->netdev)) {
3446 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3447 rtl_runtime_suspend_enable(tp, false);
3448 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
3449 napi_disable(&tp->napi);
3450 set_bit(WORK_ENABLE, &tp->flags);
3451 if (netif_carrier_ok(tp->netdev))
3453 napi_enable(&tp->napi);
3456 rtl8152_set_speed(tp, AUTONEG_ENABLE,
3457 tp->mii.supports_gmii ?
3458 SPEED_1000 : SPEED_100,
3460 netif_carrier_off(tp->netdev);
3461 set_bit(WORK_ENABLE, &tp->flags);
3463 usb_submit_urb(tp->intr_urb, GFP_KERNEL);
3464 } else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3465 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
3468 mutex_unlock(&tp->control);
3473 static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
3475 struct r8152 *tp = netdev_priv(dev);
3477 if (usb_autopm_get_interface(tp->intf) < 0)
3480 if (!rtl_can_wakeup(tp)) {
3484 mutex_lock(&tp->control);
3485 wol->supported = WAKE_ANY;
3486 wol->wolopts = __rtl_get_wol(tp);
3487 mutex_unlock(&tp->control);
3490 usb_autopm_put_interface(tp->intf);
3493 static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
3495 struct r8152 *tp = netdev_priv(dev);
3498 if (!rtl_can_wakeup(tp))
3501 ret = usb_autopm_get_interface(tp->intf);
3505 mutex_lock(&tp->control);
3507 __rtl_set_wol(tp, wol->wolopts);
3508 tp->saved_wolopts = wol->wolopts & WAKE_ANY;
3510 mutex_unlock(&tp->control);
3512 usb_autopm_put_interface(tp->intf);
3518 static u32 rtl8152_get_msglevel(struct net_device *dev)
3520 struct r8152 *tp = netdev_priv(dev);
3522 return tp->msg_enable;
3525 static void rtl8152_set_msglevel(struct net_device *dev, u32 value)
3527 struct r8152 *tp = netdev_priv(dev);
3529 tp->msg_enable = value;
3532 static void rtl8152_get_drvinfo(struct net_device *netdev,
3533 struct ethtool_drvinfo *info)
3535 struct r8152 *tp = netdev_priv(netdev);
3537 strlcpy(info->driver, MODULENAME, sizeof(info->driver));
3538 strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
3539 usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info));
3543 int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
3545 struct r8152 *tp = netdev_priv(netdev);
3548 if (!tp->mii.mdio_read)
3551 ret = usb_autopm_get_interface(tp->intf);
3555 mutex_lock(&tp->control);
3557 ret = mii_ethtool_gset(&tp->mii, cmd);
3559 mutex_unlock(&tp->control);
3561 usb_autopm_put_interface(tp->intf);
3567 static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
3569 struct r8152 *tp = netdev_priv(dev);
3572 ret = usb_autopm_get_interface(tp->intf);
3576 mutex_lock(&tp->control);
3578 ret = rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex);
3580 mutex_unlock(&tp->control);
3582 usb_autopm_put_interface(tp->intf);
3588 static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = {
3595 "tx_single_collisions",
3596 "tx_multi_collisions",
3604 static int rtl8152_get_sset_count(struct net_device *dev, int sset)
3608 return ARRAY_SIZE(rtl8152_gstrings);
3614 static void rtl8152_get_ethtool_stats(struct net_device *dev,
3615 struct ethtool_stats *stats, u64 *data)
3617 struct r8152 *tp = netdev_priv(dev);
3618 struct tally_counter tally;
3620 if (usb_autopm_get_interface(tp->intf) < 0)
3623 generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
3625 usb_autopm_put_interface(tp->intf);
3627 data[0] = le64_to_cpu(tally.tx_packets);
3628 data[1] = le64_to_cpu(tally.rx_packets);
3629 data[2] = le64_to_cpu(tally.tx_errors);
3630 data[3] = le32_to_cpu(tally.rx_errors);
3631 data[4] = le16_to_cpu(tally.rx_missed);
3632 data[5] = le16_to_cpu(tally.align_errors);
3633 data[6] = le32_to_cpu(tally.tx_one_collision);
3634 data[7] = le32_to_cpu(tally.tx_multi_collision);
3635 data[8] = le64_to_cpu(tally.rx_unicast);
3636 data[9] = le64_to_cpu(tally.rx_broadcast);
3637 data[10] = le32_to_cpu(tally.rx_multicast);
3638 data[11] = le16_to_cpu(tally.tx_aborted);
3639 data[12] = le16_to_cpu(tally.tx_underrun);
3642 static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
3644 switch (stringset) {
3646 memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings));
3651 static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
3653 u32 ocp_data, lp, adv, supported = 0;
3656 val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
3657 supported = mmd_eee_cap_to_ethtool_sup_t(val);
3659 val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
3660 adv = mmd_eee_adv_to_ethtool_adv_t(val);
3662 val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
3663 lp = mmd_eee_adv_to_ethtool_adv_t(val);
3665 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3666 ocp_data &= EEE_RX_EN | EEE_TX_EN;
3668 eee->eee_enabled = !!ocp_data;
3669 eee->eee_active = !!(supported & adv & lp);
3670 eee->supported = supported;
3671 eee->advertised = adv;
3672 eee->lp_advertised = lp;
3677 static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
3679 u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
3681 r8152_eee_en(tp, eee->eee_enabled);
3683 if (!eee->eee_enabled)
3686 r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
3691 static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
3693 u32 ocp_data, lp, adv, supported = 0;
3696 val = ocp_reg_read(tp, OCP_EEE_ABLE);
3697 supported = mmd_eee_cap_to_ethtool_sup_t(val);
3699 val = ocp_reg_read(tp, OCP_EEE_ADV);
3700 adv = mmd_eee_adv_to_ethtool_adv_t(val);
3702 val = ocp_reg_read(tp, OCP_EEE_LPABLE);
3703 lp = mmd_eee_adv_to_ethtool_adv_t(val);
3705 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3706 ocp_data &= EEE_RX_EN | EEE_TX_EN;
3708 eee->eee_enabled = !!ocp_data;
3709 eee->eee_active = !!(supported & adv & lp);
3710 eee->supported = supported;
3711 eee->advertised = adv;
3712 eee->lp_advertised = lp;
3717 static int r8153_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
3719 u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
3721 r8153_eee_en(tp, eee->eee_enabled);
3723 if (!eee->eee_enabled)
3726 ocp_reg_write(tp, OCP_EEE_ADV, val);
3732 rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata)
3734 struct r8152 *tp = netdev_priv(net);
3737 ret = usb_autopm_get_interface(tp->intf);
3741 mutex_lock(&tp->control);
3743 ret = tp->rtl_ops.eee_get(tp, edata);
3745 mutex_unlock(&tp->control);
3747 usb_autopm_put_interface(tp->intf);
3754 rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata)
3756 struct r8152 *tp = netdev_priv(net);
3759 ret = usb_autopm_get_interface(tp->intf);
3763 mutex_lock(&tp->control);
3765 ret = tp->rtl_ops.eee_set(tp, edata);
3767 ret = mii_nway_restart(&tp->mii);
3769 mutex_unlock(&tp->control);
3771 usb_autopm_put_interface(tp->intf);
3777 static int rtl8152_nway_reset(struct net_device *dev)
3779 struct r8152 *tp = netdev_priv(dev);
3782 ret = usb_autopm_get_interface(tp->intf);
3786 mutex_lock(&tp->control);
3788 ret = mii_nway_restart(&tp->mii);
3790 mutex_unlock(&tp->control);
3792 usb_autopm_put_interface(tp->intf);
3798 static int rtl8152_get_coalesce(struct net_device *netdev,
3799 struct ethtool_coalesce *coalesce)
3801 struct r8152 *tp = netdev_priv(netdev);
3803 switch (tp->version) {
3811 coalesce->rx_coalesce_usecs = tp->coalesce;
3816 static int rtl8152_set_coalesce(struct net_device *netdev,
3817 struct ethtool_coalesce *coalesce)
3819 struct r8152 *tp = netdev_priv(netdev);
3822 switch (tp->version) {
3830 if (coalesce->rx_coalesce_usecs > COALESCE_SLOW)
3833 ret = usb_autopm_get_interface(tp->intf);
3837 mutex_lock(&tp->control);
3839 if (tp->coalesce != coalesce->rx_coalesce_usecs) {
3840 tp->coalesce = coalesce->rx_coalesce_usecs;
3842 if (netif_running(tp->netdev) && netif_carrier_ok(netdev))
3843 r8153_set_rx_early_timeout(tp);
3846 mutex_unlock(&tp->control);
3848 usb_autopm_put_interface(tp->intf);
3853 static struct ethtool_ops ops = {
3854 .get_drvinfo = rtl8152_get_drvinfo,
3855 .get_settings = rtl8152_get_settings,
3856 .set_settings = rtl8152_set_settings,
3857 .get_link = ethtool_op_get_link,
3858 .nway_reset = rtl8152_nway_reset,
3859 .get_msglevel = rtl8152_get_msglevel,
3860 .set_msglevel = rtl8152_set_msglevel,
3861 .get_wol = rtl8152_get_wol,
3862 .set_wol = rtl8152_set_wol,
3863 .get_strings = rtl8152_get_strings,
3864 .get_sset_count = rtl8152_get_sset_count,
3865 .get_ethtool_stats = rtl8152_get_ethtool_stats,
3866 .get_coalesce = rtl8152_get_coalesce,
3867 .set_coalesce = rtl8152_set_coalesce,
3868 .get_eee = rtl_ethtool_get_eee,
3869 .set_eee = rtl_ethtool_set_eee,
3872 static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
3874 struct r8152 *tp = netdev_priv(netdev);
3875 struct mii_ioctl_data *data = if_mii(rq);
3878 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3881 res = usb_autopm_get_interface(tp->intf);
3887 data->phy_id = R8152_PHY_ID; /* Internal PHY */
3891 mutex_lock(&tp->control);
3892 data->val_out = r8152_mdio_read(tp, data->reg_num);
3893 mutex_unlock(&tp->control);
3897 if (!capable(CAP_NET_ADMIN)) {
3901 mutex_lock(&tp->control);
3902 r8152_mdio_write(tp, data->reg_num, data->val_in);
3903 mutex_unlock(&tp->control);
3910 usb_autopm_put_interface(tp->intf);
3916 static int rtl8152_change_mtu(struct net_device *dev, int new_mtu)
3918 struct r8152 *tp = netdev_priv(dev);
3921 switch (tp->version) {
3924 return eth_change_mtu(dev, new_mtu);
3929 if (new_mtu < 68 || new_mtu > RTL8153_MAX_MTU)
3932 ret = usb_autopm_get_interface(tp->intf);
3936 mutex_lock(&tp->control);
3940 if (netif_running(dev) && netif_carrier_ok(dev))
3941 r8153_set_rx_early_size(tp);
3943 mutex_unlock(&tp->control);
3945 usb_autopm_put_interface(tp->intf);
3950 static const struct net_device_ops rtl8152_netdev_ops = {
3951 .ndo_open = rtl8152_open,
3952 .ndo_stop = rtl8152_close,
3953 .ndo_do_ioctl = rtl8152_ioctl,
3954 .ndo_start_xmit = rtl8152_start_xmit,
3955 .ndo_tx_timeout = rtl8152_tx_timeout,
3956 .ndo_set_features = rtl8152_set_features,
3957 .ndo_set_rx_mode = rtl8152_set_rx_mode,
3958 .ndo_set_mac_address = rtl8152_set_mac_address,
3959 .ndo_change_mtu = rtl8152_change_mtu,
3960 .ndo_validate_addr = eth_validate_addr,
3961 .ndo_features_check = rtl8152_features_check,
3964 static void r8152b_get_version(struct r8152 *tp)
3969 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1);
3970 version = (u16)(ocp_data & VERSION_MASK);
3974 tp->version = RTL_VER_01;
3977 tp->version = RTL_VER_02;
3980 tp->version = RTL_VER_03;
3981 tp->mii.supports_gmii = 1;
3984 tp->version = RTL_VER_04;
3985 tp->mii.supports_gmii = 1;
3988 tp->version = RTL_VER_05;
3989 tp->mii.supports_gmii = 1;
3992 netif_info(tp, probe, tp->netdev,
3993 "Unknown version 0x%04x\n", version);
3998 static void rtl8152_unload(struct r8152 *tp)
4000 if (test_bit(RTL8152_UNPLUG, &tp->flags))
4003 if (tp->version != RTL_VER_01)
4004 r8152_power_cut_en(tp, true);
4007 static void rtl8153_unload(struct r8152 *tp)
4009 if (test_bit(RTL8152_UNPLUG, &tp->flags))
4012 r8153_power_cut_en(tp, false);
4015 static int rtl_ops_init(struct r8152 *tp)
4017 struct rtl_ops *ops = &tp->rtl_ops;
4020 switch (tp->version) {
4023 ops->init = r8152b_init;
4024 ops->enable = rtl8152_enable;
4025 ops->disable = rtl8152_disable;
4026 ops->up = rtl8152_up;
4027 ops->down = rtl8152_down;
4028 ops->unload = rtl8152_unload;
4029 ops->eee_get = r8152_get_eee;
4030 ops->eee_set = r8152_set_eee;
4036 ops->init = r8153_init;
4037 ops->enable = rtl8153_enable;
4038 ops->disable = rtl8153_disable;
4039 ops->up = rtl8153_up;
4040 ops->down = rtl8153_down;
4041 ops->unload = rtl8153_unload;
4042 ops->eee_get = r8153_get_eee;
4043 ops->eee_set = r8153_set_eee;
4048 netif_err(tp, probe, tp->netdev, "Unknown Device\n");
4055 static int rtl8152_probe(struct usb_interface *intf,
4056 const struct usb_device_id *id)
4058 struct usb_device *udev = interface_to_usbdev(intf);
4060 struct net_device *netdev;
4063 if (udev->actconfig->desc.bConfigurationValue != 1) {
4064 usb_driver_set_configuration(udev, 1);
4068 usb_reset_device(udev);
4069 netdev = alloc_etherdev(sizeof(struct r8152));
4071 dev_err(&intf->dev, "Out of memory\n");
4075 SET_NETDEV_DEV(netdev, &intf->dev);
4076 tp = netdev_priv(netdev);
4077 tp->msg_enable = 0x7FFF;
4080 tp->netdev = netdev;
4083 r8152b_get_version(tp);
4084 ret = rtl_ops_init(tp);
4088 mutex_init(&tp->control);
4089 INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
4091 netdev->netdev_ops = &rtl8152_netdev_ops;
4092 netdev->watchdog_timeo = RTL8152_TX_TIMEOUT;
4094 netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
4095 NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM |
4096 NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX |
4097 NETIF_F_HW_VLAN_CTAG_TX;
4098 netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
4099 NETIF_F_TSO | NETIF_F_FRAGLIST |
4100 NETIF_F_IPV6_CSUM | NETIF_F_TSO6 |
4101 NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX;
4102 netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
4103 NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
4104 NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
4106 netdev->ethtool_ops = &ops;
4107 netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE);
4109 tp->mii.dev = netdev;
4110 tp->mii.mdio_read = read_mii_word;
4111 tp->mii.mdio_write = write_mii_word;
4112 tp->mii.phy_id_mask = 0x3f;
4113 tp->mii.reg_num_mask = 0x1f;
4114 tp->mii.phy_id = R8152_PHY_ID;
4116 switch (udev->speed) {
4117 case USB_SPEED_SUPER:
4118 tp->coalesce = COALESCE_SUPER;
4120 case USB_SPEED_HIGH:
4121 tp->coalesce = COALESCE_HIGH;
4124 tp->coalesce = COALESCE_SLOW;
4128 intf->needs_remote_wakeup = 1;
4130 tp->rtl_ops.init(tp);
4131 set_ethernet_addr(tp);
4133 usb_set_intfdata(intf, tp);
4134 netif_napi_add(netdev, &tp->napi, r8152_poll, RTL8152_NAPI_WEIGHT);
4136 ret = register_netdev(netdev);
4138 netif_err(tp, probe, netdev, "couldn't register the device\n");
4142 if (!rtl_can_wakeup(tp))
4143 __rtl_set_wol(tp, 0);
4145 tp->saved_wolopts = __rtl_get_wol(tp);
4146 if (tp->saved_wolopts)
4147 device_set_wakeup_enable(&udev->dev, true);
4149 device_set_wakeup_enable(&udev->dev, false);
4151 netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
4156 netif_napi_del(&tp->napi);
4157 usb_set_intfdata(intf, NULL);
4159 free_netdev(netdev);
4163 static void rtl8152_disconnect(struct usb_interface *intf)
4165 struct r8152 *tp = usb_get_intfdata(intf);
4167 usb_set_intfdata(intf, NULL);
4169 struct usb_device *udev = tp->udev;
4171 if (udev->state == USB_STATE_NOTATTACHED)
4172 set_bit(RTL8152_UNPLUG, &tp->flags);
4174 netif_napi_del(&tp->napi);
4175 unregister_netdev(tp->netdev);
4176 tp->rtl_ops.unload(tp);
4177 free_netdev(tp->netdev);
4181 #define REALTEK_USB_DEVICE(vend, prod) \
4182 .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
4183 USB_DEVICE_ID_MATCH_INT_CLASS, \
4184 .idVendor = (vend), \
4185 .idProduct = (prod), \
4186 .bInterfaceClass = USB_CLASS_VENDOR_SPEC \
4189 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \
4190 USB_DEVICE_ID_MATCH_DEVICE, \
4191 .idVendor = (vend), \
4192 .idProduct = (prod), \
4193 .bInterfaceClass = USB_CLASS_COMM, \
4194 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
4195 .bInterfaceProtocol = USB_CDC_PROTO_NONE
4197 /* table of devices that work with this driver */
4198 static struct usb_device_id rtl8152_table[] = {
4199 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)},
4200 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},
4201 {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
4202 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)},
4203 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)},
4204 {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)},
4208 MODULE_DEVICE_TABLE(usb, rtl8152_table);
4210 static struct usb_driver rtl8152_driver = {
4212 .id_table = rtl8152_table,
4213 .probe = rtl8152_probe,
4214 .disconnect = rtl8152_disconnect,
4215 .suspend = rtl8152_suspend,
4216 .resume = rtl8152_resume,
4217 .reset_resume = rtl8152_resume,
4218 .pre_reset = rtl8152_pre_reset,
4219 .post_reset = rtl8152_post_reset,
4220 .supports_autosuspend = 1,
4221 .disable_hub_initiated_lpm = 1,
4224 module_usb_driver(rtl8152_driver);
4226 MODULE_AUTHOR(DRIVER_AUTHOR);
4227 MODULE_DESCRIPTION(DRIVER_DESC);
4228 MODULE_LICENSE("GPL");