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 "v1.07.0 (2014/10/09)"
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_FMC 0xc0b4
44 #define PLA_CFG_WOL 0xc0b6
45 #define PLA_TEREDO_CFG 0xc0bc
46 #define PLA_MAR 0xcd00
47 #define PLA_BACKUP 0xd000
48 #define PAL_BDC_CR 0xd1a0
49 #define PLA_TEREDO_TIMER 0xd2cc
50 #define PLA_REALWOW_TIMER 0xd2e8
51 #define PLA_LEDSEL 0xdd90
52 #define PLA_LED_FEATURE 0xdd92
53 #define PLA_PHYAR 0xde00
54 #define PLA_BOOT_CTRL 0xe004
55 #define PLA_GPHY_INTR_IMR 0xe022
56 #define PLA_EEE_CR 0xe040
57 #define PLA_EEEP_CR 0xe080
58 #define PLA_MAC_PWR_CTRL 0xe0c0
59 #define PLA_MAC_PWR_CTRL2 0xe0ca
60 #define PLA_MAC_PWR_CTRL3 0xe0cc
61 #define PLA_MAC_PWR_CTRL4 0xe0ce
62 #define PLA_WDT6_CTRL 0xe428
63 #define PLA_TCR0 0xe610
64 #define PLA_TCR1 0xe612
65 #define PLA_MTPS 0xe615
66 #define PLA_TXFIFO_CTRL 0xe618
67 #define PLA_RSTTALLY 0xe800
69 #define PLA_CRWECR 0xe81c
70 #define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */
71 #define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */
72 #define PLA_CONFIG5 0xe822
73 #define PLA_PHY_PWR 0xe84c
74 #define PLA_OOB_CTRL 0xe84f
75 #define PLA_CPCR 0xe854
76 #define PLA_MISC_0 0xe858
77 #define PLA_MISC_1 0xe85a
78 #define PLA_OCP_GPHY_BASE 0xe86c
79 #define PLA_TALLYCNT 0xe890
80 #define PLA_SFF_STS_7 0xe8de
81 #define PLA_PHYSTATUS 0xe908
82 #define PLA_BP_BA 0xfc26
83 #define PLA_BP_0 0xfc28
84 #define PLA_BP_1 0xfc2a
85 #define PLA_BP_2 0xfc2c
86 #define PLA_BP_3 0xfc2e
87 #define PLA_BP_4 0xfc30
88 #define PLA_BP_5 0xfc32
89 #define PLA_BP_6 0xfc34
90 #define PLA_BP_7 0xfc36
91 #define PLA_BP_EN 0xfc38
93 #define USB_U2P3_CTRL 0xb460
94 #define USB_DEV_STAT 0xb808
95 #define USB_USB_CTRL 0xd406
96 #define USB_PHY_CTRL 0xd408
97 #define USB_TX_AGG 0xd40a
98 #define USB_RX_BUF_TH 0xd40c
99 #define USB_USB_TIMER 0xd428
100 #define USB_RX_EARLY_AGG 0xd42c
101 #define USB_PM_CTRL_STATUS 0xd432
102 #define USB_TX_DMA 0xd434
103 #define USB_TOLERANCE 0xd490
104 #define USB_LPM_CTRL 0xd41a
105 #define USB_UPS_CTRL 0xd800
106 #define USB_MISC_0 0xd81a
107 #define USB_POWER_CUT 0xd80a
108 #define USB_AFE_CTRL2 0xd824
109 #define USB_WDT11_CTRL 0xe43c
110 #define USB_BP_BA 0xfc26
111 #define USB_BP_0 0xfc28
112 #define USB_BP_1 0xfc2a
113 #define USB_BP_2 0xfc2c
114 #define USB_BP_3 0xfc2e
115 #define USB_BP_4 0xfc30
116 #define USB_BP_5 0xfc32
117 #define USB_BP_6 0xfc34
118 #define USB_BP_7 0xfc36
119 #define USB_BP_EN 0xfc38
122 #define OCP_ALDPS_CONFIG 0x2010
123 #define OCP_EEE_CONFIG1 0x2080
124 #define OCP_EEE_CONFIG2 0x2092
125 #define OCP_EEE_CONFIG3 0x2094
126 #define OCP_BASE_MII 0xa400
127 #define OCP_EEE_AR 0xa41a
128 #define OCP_EEE_DATA 0xa41c
129 #define OCP_PHY_STATUS 0xa420
130 #define OCP_POWER_CFG 0xa430
131 #define OCP_EEE_CFG 0xa432
132 #define OCP_SRAM_ADDR 0xa436
133 #define OCP_SRAM_DATA 0xa438
134 #define OCP_DOWN_SPEED 0xa442
135 #define OCP_EEE_ABLE 0xa5c4
136 #define OCP_EEE_ADV 0xa5d0
137 #define OCP_EEE_LPABLE 0xa5d2
138 #define OCP_ADC_CFG 0xbc06
141 #define SRAM_LPF_CFG 0x8012
142 #define SRAM_10M_AMP1 0x8080
143 #define SRAM_10M_AMP2 0x8082
144 #define SRAM_IMPEDANCE 0x8084
147 #define RCR_AAP 0x00000001
148 #define RCR_APM 0x00000002
149 #define RCR_AM 0x00000004
150 #define RCR_AB 0x00000008
151 #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
153 /* PLA_RXFIFO_CTRL0 */
154 #define RXFIFO_THR1_NORMAL 0x00080002
155 #define RXFIFO_THR1_OOB 0x01800003
157 /* PLA_RXFIFO_CTRL1 */
158 #define RXFIFO_THR2_FULL 0x00000060
159 #define RXFIFO_THR2_HIGH 0x00000038
160 #define RXFIFO_THR2_OOB 0x0000004a
161 #define RXFIFO_THR2_NORMAL 0x00a0
163 /* PLA_RXFIFO_CTRL2 */
164 #define RXFIFO_THR3_FULL 0x00000078
165 #define RXFIFO_THR3_HIGH 0x00000048
166 #define RXFIFO_THR3_OOB 0x0000005a
167 #define RXFIFO_THR3_NORMAL 0x0110
169 /* PLA_TXFIFO_CTRL */
170 #define TXFIFO_THR_NORMAL 0x00400008
171 #define TXFIFO_THR_NORMAL2 0x01000008
174 #define FMC_FCR_MCU_EN 0x0001
177 #define EEEP_CR_EEEP_TX 0x0002
180 #define WDT6_SET_MODE 0x0010
183 #define TCR0_TX_EMPTY 0x0800
184 #define TCR0_AUTO_FIFO 0x0080
187 #define VERSION_MASK 0x7cf0
190 #define MTPS_JUMBO (12 * 1024 / 64)
191 #define MTPS_DEFAULT (6 * 1024 / 64)
194 #define TALLY_RESET 0x0001
202 #define CRWECR_NORAML 0x00
203 #define CRWECR_CONFIG 0xc0
206 #define NOW_IS_OOB 0x80
207 #define TXFIFO_EMPTY 0x20
208 #define RXFIFO_EMPTY 0x10
209 #define LINK_LIST_READY 0x02
210 #define DIS_MCU_CLROOB 0x01
211 #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY)
214 #define RXDY_GATED_EN 0x0008
217 #define RE_INIT_LL 0x8000
218 #define MCU_BORW_EN 0x4000
221 #define CPCR_RX_VLAN 0x0040
224 #define MAGIC_EN 0x0001
227 #define TEREDO_SEL 0x8000
228 #define TEREDO_WAKE_MASK 0x7f00
229 #define TEREDO_RS_EVENT_MASK 0x00fe
230 #define OOB_TEREDO_EN 0x0001
233 #define ALDPS_PROXY_MODE 0x0001
236 #define LINK_ON_WAKE_EN 0x0010
237 #define LINK_OFF_WAKE_EN 0x0008
240 #define BWF_EN 0x0040
241 #define MWF_EN 0x0020
242 #define UWF_EN 0x0010
243 #define LAN_WAKE_EN 0x0002
245 /* PLA_LED_FEATURE */
246 #define LED_MODE_MASK 0x0700
249 #define TX_10M_IDLE_EN 0x0080
250 #define PFM_PWM_SWITCH 0x0040
252 /* PLA_MAC_PWR_CTRL */
253 #define D3_CLK_GATED_EN 0x00004000
254 #define MCU_CLK_RATIO 0x07010f07
255 #define MCU_CLK_RATIO_MASK 0x0f0f0f0f
256 #define ALDPS_SPDWN_RATIO 0x0f87
258 /* PLA_MAC_PWR_CTRL2 */
259 #define EEE_SPDWN_RATIO 0x8007
261 /* PLA_MAC_PWR_CTRL3 */
262 #define PKT_AVAIL_SPDWN_EN 0x0100
263 #define SUSPEND_SPDWN_EN 0x0004
264 #define U1U2_SPDWN_EN 0x0002
265 #define L1_SPDWN_EN 0x0001
267 /* PLA_MAC_PWR_CTRL4 */
268 #define PWRSAVE_SPDWN_EN 0x1000
269 #define RXDV_SPDWN_EN 0x0800
270 #define TX10MIDLE_EN 0x0100
271 #define TP100_SPDWN_EN 0x0020
272 #define TP500_SPDWN_EN 0x0010
273 #define TP1000_SPDWN_EN 0x0008
274 #define EEE_SPDWN_EN 0x0001
276 /* PLA_GPHY_INTR_IMR */
277 #define GPHY_STS_MSK 0x0001
278 #define SPEED_DOWN_MSK 0x0002
279 #define SPDWN_RXDV_MSK 0x0004
280 #define SPDWN_LINKCHG_MSK 0x0008
283 #define PHYAR_FLAG 0x80000000
286 #define EEE_RX_EN 0x0001
287 #define EEE_TX_EN 0x0002
290 #define AUTOLOAD_DONE 0x0002
293 #define STAT_SPEED_MASK 0x0006
294 #define STAT_SPEED_HIGH 0x0000
295 #define STAT_SPEED_FULL 0x0002
298 #define TX_AGG_MAX_THRESHOLD 0x03
301 #define RX_THR_SUPPER 0x0c350180
302 #define RX_THR_HIGH 0x7a120180
303 #define RX_THR_SLOW 0xffff0180
306 #define TEST_MODE_DISABLE 0x00000001
307 #define TX_SIZE_ADJUST1 0x00000100
310 #define POWER_CUT 0x0100
312 /* USB_PM_CTRL_STATUS */
313 #define RESUME_INDICATE 0x0001
316 #define RX_AGG_DISABLE 0x0010
319 #define U2P3_ENABLE 0x0001
322 #define PWR_EN 0x0001
323 #define PHASE2_EN 0x0008
326 #define PCUT_STATUS 0x0001
328 /* USB_RX_EARLY_AGG */
329 #define EARLY_AGG_SUPPER 0x0e832981
330 #define EARLY_AGG_HIGH 0x0e837a12
331 #define EARLY_AGG_SLOW 0x0e83ffff
334 #define TIMER11_EN 0x0001
337 #define LPM_TIMER_MASK 0x0c
338 #define LPM_TIMER_500MS 0x04 /* 500 ms */
339 #define LPM_TIMER_500US 0x0c /* 500 us */
342 #define SEN_VAL_MASK 0xf800
343 #define SEN_VAL_NORMAL 0xa000
344 #define SEL_RXIDLE 0x0100
346 /* OCP_ALDPS_CONFIG */
347 #define ENPWRSAVE 0x8000
348 #define ENPDNPS 0x0200
349 #define LINKENA 0x0100
350 #define DIS_SDSAVE 0x0010
353 #define PHY_STAT_MASK 0x0007
354 #define PHY_STAT_LAN_ON 3
355 #define PHY_STAT_PWRDN 5
358 #define EEE_CLKDIV_EN 0x8000
359 #define EN_ALDPS 0x0004
360 #define EN_10M_PLLOFF 0x0001
362 /* OCP_EEE_CONFIG1 */
363 #define RG_TXLPI_MSK_HFDUP 0x8000
364 #define RG_MATCLR_EN 0x4000
365 #define EEE_10_CAP 0x2000
366 #define EEE_NWAY_EN 0x1000
367 #define TX_QUIET_EN 0x0200
368 #define RX_QUIET_EN 0x0100
369 #define sd_rise_time_mask 0x0070
370 #define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */
371 #define RG_RXLPI_MSK_HFDUP 0x0008
372 #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */
374 /* OCP_EEE_CONFIG2 */
375 #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */
376 #define RG_DACQUIET_EN 0x0400
377 #define RG_LDVQUIET_EN 0x0200
378 #define RG_CKRSEL 0x0020
379 #define RG_EEEPRG_EN 0x0010
381 /* OCP_EEE_CONFIG3 */
382 #define fast_snr_mask 0xff80
383 #define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */
384 #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */
385 #define MSK_PH 0x0006 /* bit 0 ~ 3 */
388 /* bit[15:14] function */
389 #define FUN_ADDR 0x0000
390 #define FUN_DATA 0x4000
391 /* bit[4:0] device addr */
394 #define CTAP_SHORT_EN 0x0040
395 #define EEE10_EN 0x0010
398 #define EN_10M_BGOFF 0x0080
401 #define CKADSEL_L 0x0100
402 #define ADC_EN 0x0080
403 #define EN_EMI_L 0x0040
406 #define LPF_AUTO_TUNE 0x8000
409 #define GDAC_IB_UPALL 0x0008
412 #define AMP_DN 0x0200
415 #define RX_DRIVING_MASK 0x6000
417 enum rtl_register_content {
425 #define RTL8152_MAX_TX 4
426 #define RTL8152_MAX_RX 10
432 #define INTR_LINK 0x0004
434 #define RTL8152_REQT_READ 0xc0
435 #define RTL8152_REQT_WRITE 0x40
436 #define RTL8152_REQ_GET_REGS 0x05
437 #define RTL8152_REQ_SET_REGS 0x05
439 #define BYTE_EN_DWORD 0xff
440 #define BYTE_EN_WORD 0x33
441 #define BYTE_EN_BYTE 0x11
442 #define BYTE_EN_SIX_BYTES 0x3f
443 #define BYTE_EN_START_MASK 0x0f
444 #define BYTE_EN_END_MASK 0xf0
446 #define RTL8153_MAX_PACKET 9216 /* 9K */
447 #define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - VLAN_HLEN)
448 #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN)
449 #define RTL8153_RMS RTL8153_MAX_PACKET
450 #define RTL8152_TX_TIMEOUT (5 * HZ)
463 /* Define these values to match your device */
464 #define VENDOR_ID_REALTEK 0x0bda
465 #define VENDOR_ID_SAMSUNG 0x04e8
467 #define MCU_TYPE_PLA 0x0100
468 #define MCU_TYPE_USB 0x0000
470 struct tally_counter {
477 __le32 tx_one_collision;
478 __le32 tx_multi_collision;
488 #define RX_LEN_MASK 0x7fff
491 #define RD_UDP_CS (1 << 23)
492 #define RD_TCP_CS (1 << 22)
493 #define RD_IPV6_CS (1 << 20)
494 #define RD_IPV4_CS (1 << 19)
497 #define IPF (1 << 23) /* IP checksum fail */
498 #define UDPF (1 << 22) /* UDP checksum fail */
499 #define TCPF (1 << 21) /* TCP checksum fail */
500 #define RX_VLAN_TAG (1 << 16)
509 #define TX_FS (1 << 31) /* First segment of a packet */
510 #define TX_LS (1 << 30) /* Final segment of a packet */
511 #define GTSENDV4 (1 << 28)
512 #define GTSENDV6 (1 << 27)
513 #define GTTCPHO_SHIFT 18
514 #define GTTCPHO_MAX 0x7fU
515 #define TX_LEN_MAX 0x3ffffU
518 #define UDP_CS (1 << 31) /* Calculate UDP/IP checksum */
519 #define TCP_CS (1 << 30) /* Calculate TCP/IP checksum */
520 #define IPV4_CS (1 << 29) /* Calculate IPv4 checksum */
521 #define IPV6_CS (1 << 28) /* Calculate IPv6 checksum */
523 #define MSS_MAX 0x7ffU
524 #define TCPHO_SHIFT 17
525 #define TCPHO_MAX 0x7ffU
526 #define TX_VLAN_TAG (1 << 16)
532 struct list_head list;
534 struct r8152 *context;
540 struct list_head list;
542 struct r8152 *context;
551 struct usb_device *udev;
552 struct tasklet_struct tl;
553 struct usb_interface *intf;
554 struct net_device *netdev;
555 struct urb *intr_urb;
556 struct tx_agg tx_info[RTL8152_MAX_TX];
557 struct rx_agg rx_info[RTL8152_MAX_RX];
558 struct list_head rx_done, tx_free;
559 struct sk_buff_head tx_queue;
560 spinlock_t rx_lock, tx_lock;
561 struct delayed_work schedule;
562 struct mii_if_info mii;
563 struct mutex control; /* use for hw setting */
566 void (*init)(struct r8152 *);
567 int (*enable)(struct r8152 *);
568 void (*disable)(struct r8152 *);
569 void (*up)(struct r8152 *);
570 void (*down)(struct r8152 *);
571 void (*unload)(struct r8152 *);
572 int (*eee_get)(struct r8152 *, struct ethtool_eee *);
573 int (*eee_set)(struct r8152 *, struct ethtool_eee *);
602 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
603 * The RTL chips use a 64 element hash table based on the Ethernet CRC.
605 static const int multicast_filter_limit = 32;
606 static unsigned int agg_buf_sz = 16384;
608 #define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \
609 VLAN_ETH_HLEN - VLAN_HLEN)
612 int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
617 tmp = kmalloc(size, GFP_KERNEL);
621 ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
622 RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
623 value, index, tmp, size, 500);
625 memcpy(data, tmp, size);
632 int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
637 tmp = kmemdup(data, size, GFP_KERNEL);
641 ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
642 RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
643 value, index, tmp, size, 500);
650 static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
651 void *data, u16 type)
656 if (test_bit(RTL8152_UNPLUG, &tp->flags))
659 /* both size and indix must be 4 bytes align */
660 if ((size & 3) || !size || (index & 3) || !data)
663 if ((u32)index + (u32)size > 0xffff)
668 ret = get_registers(tp, index, type, limit, data);
676 ret = get_registers(tp, index, type, size, data);
688 set_bit(RTL8152_UNPLUG, &tp->flags);
693 static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
694 u16 size, void *data, u16 type)
697 u16 byteen_start, byteen_end, byen;
700 if (test_bit(RTL8152_UNPLUG, &tp->flags))
703 /* both size and indix must be 4 bytes align */
704 if ((size & 3) || !size || (index & 3) || !data)
707 if ((u32)index + (u32)size > 0xffff)
710 byteen_start = byteen & BYTE_EN_START_MASK;
711 byteen_end = byteen & BYTE_EN_END_MASK;
713 byen = byteen_start | (byteen_start << 4);
714 ret = set_registers(tp, index, type | byen, 4, data);
727 ret = set_registers(tp, index,
728 type | BYTE_EN_DWORD,
737 ret = set_registers(tp, index,
738 type | BYTE_EN_DWORD,
750 byen = byteen_end | (byteen_end >> 4);
751 ret = set_registers(tp, index, type | byen, 4, data);
758 set_bit(RTL8152_UNPLUG, &tp->flags);
764 int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
766 return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA);
770 int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
772 return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA);
776 int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
778 return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB);
782 int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
784 return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB);
787 static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
791 generic_ocp_read(tp, index, sizeof(data), &data, type);
793 return __le32_to_cpu(data);
796 static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
798 __le32 tmp = __cpu_to_le32(data);
800 generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
803 static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
807 u8 shift = index & 2;
811 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
813 data = __le32_to_cpu(tmp);
814 data >>= (shift * 8);
820 static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
824 u16 byen = BYTE_EN_WORD;
825 u8 shift = index & 2;
831 mask <<= (shift * 8);
832 data <<= (shift * 8);
836 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
838 data |= __le32_to_cpu(tmp) & ~mask;
839 tmp = __cpu_to_le32(data);
841 generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
844 static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
848 u8 shift = index & 3;
852 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
854 data = __le32_to_cpu(tmp);
855 data >>= (shift * 8);
861 static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
865 u16 byen = BYTE_EN_BYTE;
866 u8 shift = index & 3;
872 mask <<= (shift * 8);
873 data <<= (shift * 8);
877 generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
879 data |= __le32_to_cpu(tmp) & ~mask;
880 tmp = __cpu_to_le32(data);
882 generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
885 static u16 ocp_reg_read(struct r8152 *tp, u16 addr)
887 u16 ocp_base, ocp_index;
889 ocp_base = addr & 0xf000;
890 if (ocp_base != tp->ocp_base) {
891 ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
892 tp->ocp_base = ocp_base;
895 ocp_index = (addr & 0x0fff) | 0xb000;
896 return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index);
899 static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data)
901 u16 ocp_base, ocp_index;
903 ocp_base = addr & 0xf000;
904 if (ocp_base != tp->ocp_base) {
905 ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
906 tp->ocp_base = ocp_base;
909 ocp_index = (addr & 0x0fff) | 0xb000;
910 ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data);
913 static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)
915 ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value);
918 static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr)
920 return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2);
923 static void sram_write(struct r8152 *tp, u16 addr, u16 data)
925 ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
926 ocp_reg_write(tp, OCP_SRAM_DATA, data);
929 static u16 sram_read(struct r8152 *tp, u16 addr)
931 ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
932 return ocp_reg_read(tp, OCP_SRAM_DATA);
935 static int read_mii_word(struct net_device *netdev, int phy_id, int reg)
937 struct r8152 *tp = netdev_priv(netdev);
940 if (test_bit(RTL8152_UNPLUG, &tp->flags))
943 if (phy_id != R8152_PHY_ID)
946 ret = r8152_mdio_read(tp, reg);
952 void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val)
954 struct r8152 *tp = netdev_priv(netdev);
956 if (test_bit(RTL8152_UNPLUG, &tp->flags))
959 if (phy_id != R8152_PHY_ID)
962 r8152_mdio_write(tp, reg, val);
966 r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags);
968 static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
970 struct r8152 *tp = netdev_priv(netdev);
971 struct sockaddr *addr = p;
972 int ret = -EADDRNOTAVAIL;
974 if (!is_valid_ether_addr(addr->sa_data))
977 ret = usb_autopm_get_interface(tp->intf);
981 mutex_lock(&tp->control);
983 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
985 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
986 pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data);
987 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
989 mutex_unlock(&tp->control);
991 usb_autopm_put_interface(tp->intf);
996 static int set_ethernet_addr(struct r8152 *tp)
998 struct net_device *dev = tp->netdev;
1002 if (tp->version == RTL_VER_01)
1003 ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data);
1005 ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data);
1008 netif_err(tp, probe, dev, "Get ether addr fail\n");
1009 } else if (!is_valid_ether_addr(sa.sa_data)) {
1010 netif_err(tp, probe, dev, "Invalid ether addr %pM\n",
1012 eth_hw_addr_random(dev);
1013 ether_addr_copy(sa.sa_data, dev->dev_addr);
1014 ret = rtl8152_set_mac_address(dev, &sa);
1015 netif_info(tp, probe, dev, "Random ether addr %pM\n",
1018 if (tp->version == RTL_VER_01)
1019 ether_addr_copy(dev->dev_addr, sa.sa_data);
1021 ret = rtl8152_set_mac_address(dev, &sa);
1027 static void read_bulk_callback(struct urb *urb)
1029 struct net_device *netdev;
1030 int status = urb->status;
1042 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1045 if (!test_bit(WORK_ENABLE, &tp->flags))
1048 netdev = tp->netdev;
1050 /* When link down, the driver would cancel all bulks. */
1051 /* This avoid the re-submitting bulk */
1052 if (!netif_carrier_ok(netdev))
1055 usb_mark_last_busy(tp->udev);
1059 if (urb->actual_length < ETH_ZLEN)
1062 spin_lock(&tp->rx_lock);
1063 list_add_tail(&agg->list, &tp->rx_done);
1064 spin_unlock(&tp->rx_lock);
1065 tasklet_schedule(&tp->tl);
1068 set_bit(RTL8152_UNPLUG, &tp->flags);
1069 netif_device_detach(tp->netdev);
1072 return; /* the urb is in unlink state */
1074 if (net_ratelimit())
1075 netdev_warn(netdev, "maybe reset is needed?\n");
1078 if (net_ratelimit())
1079 netdev_warn(netdev, "Rx status %d\n", status);
1083 r8152_submit_rx(tp, agg, GFP_ATOMIC);
1086 static void write_bulk_callback(struct urb *urb)
1088 struct net_device_stats *stats;
1089 struct net_device *netdev;
1092 int status = urb->status;
1102 netdev = tp->netdev;
1103 stats = &netdev->stats;
1105 if (net_ratelimit())
1106 netdev_warn(netdev, "Tx status %d\n", status);
1107 stats->tx_errors += agg->skb_num;
1109 stats->tx_packets += agg->skb_num;
1110 stats->tx_bytes += agg->skb_len;
1113 spin_lock(&tp->tx_lock);
1114 list_add_tail(&agg->list, &tp->tx_free);
1115 spin_unlock(&tp->tx_lock);
1117 usb_autopm_put_interface_async(tp->intf);
1119 if (!netif_carrier_ok(netdev))
1122 if (!test_bit(WORK_ENABLE, &tp->flags))
1125 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1128 if (!skb_queue_empty(&tp->tx_queue))
1129 tasklet_schedule(&tp->tl);
1132 static void intr_callback(struct urb *urb)
1136 int status = urb->status;
1143 if (!test_bit(WORK_ENABLE, &tp->flags))
1146 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1150 case 0: /* success */
1152 case -ECONNRESET: /* unlink */
1154 netif_device_detach(tp->netdev);
1157 netif_info(tp, intr, tp->netdev,
1158 "Stop submitting intr, status %d\n", status);
1161 netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n");
1163 /* -EPIPE: should clear the halt */
1165 netif_info(tp, intr, tp->netdev, "intr status %d\n", status);
1169 d = urb->transfer_buffer;
1170 if (INTR_LINK & __le16_to_cpu(d[0])) {
1171 if (!(tp->speed & LINK_STATUS)) {
1172 set_bit(RTL8152_LINK_CHG, &tp->flags);
1173 schedule_delayed_work(&tp->schedule, 0);
1176 if (tp->speed & LINK_STATUS) {
1177 set_bit(RTL8152_LINK_CHG, &tp->flags);
1178 schedule_delayed_work(&tp->schedule, 0);
1183 res = usb_submit_urb(urb, GFP_ATOMIC);
1184 if (res == -ENODEV) {
1185 set_bit(RTL8152_UNPLUG, &tp->flags);
1186 netif_device_detach(tp->netdev);
1188 netif_err(tp, intr, tp->netdev,
1189 "can't resubmit intr, status %d\n", res);
1193 static inline void *rx_agg_align(void *data)
1195 return (void *)ALIGN((uintptr_t)data, RX_ALIGN);
1198 static inline void *tx_agg_align(void *data)
1200 return (void *)ALIGN((uintptr_t)data, TX_ALIGN);
1203 static void free_all_mem(struct r8152 *tp)
1207 for (i = 0; i < RTL8152_MAX_RX; i++) {
1208 usb_free_urb(tp->rx_info[i].urb);
1209 tp->rx_info[i].urb = NULL;
1211 kfree(tp->rx_info[i].buffer);
1212 tp->rx_info[i].buffer = NULL;
1213 tp->rx_info[i].head = NULL;
1216 for (i = 0; i < RTL8152_MAX_TX; i++) {
1217 usb_free_urb(tp->tx_info[i].urb);
1218 tp->tx_info[i].urb = NULL;
1220 kfree(tp->tx_info[i].buffer);
1221 tp->tx_info[i].buffer = NULL;
1222 tp->tx_info[i].head = NULL;
1225 usb_free_urb(tp->intr_urb);
1226 tp->intr_urb = NULL;
1228 kfree(tp->intr_buff);
1229 tp->intr_buff = NULL;
1232 static int alloc_all_mem(struct r8152 *tp)
1234 struct net_device *netdev = tp->netdev;
1235 struct usb_interface *intf = tp->intf;
1236 struct usb_host_interface *alt = intf->cur_altsetting;
1237 struct usb_host_endpoint *ep_intr = alt->endpoint + 2;
1242 node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1;
1244 spin_lock_init(&tp->rx_lock);
1245 spin_lock_init(&tp->tx_lock);
1246 INIT_LIST_HEAD(&tp->tx_free);
1247 skb_queue_head_init(&tp->tx_queue);
1249 for (i = 0; i < RTL8152_MAX_RX; i++) {
1250 buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
1254 if (buf != rx_agg_align(buf)) {
1256 buf = kmalloc_node(agg_buf_sz + RX_ALIGN, GFP_KERNEL,
1262 urb = usb_alloc_urb(0, GFP_KERNEL);
1268 INIT_LIST_HEAD(&tp->rx_info[i].list);
1269 tp->rx_info[i].context = tp;
1270 tp->rx_info[i].urb = urb;
1271 tp->rx_info[i].buffer = buf;
1272 tp->rx_info[i].head = rx_agg_align(buf);
1275 for (i = 0; i < RTL8152_MAX_TX; i++) {
1276 buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
1280 if (buf != tx_agg_align(buf)) {
1282 buf = kmalloc_node(agg_buf_sz + TX_ALIGN, GFP_KERNEL,
1288 urb = usb_alloc_urb(0, GFP_KERNEL);
1294 INIT_LIST_HEAD(&tp->tx_info[i].list);
1295 tp->tx_info[i].context = tp;
1296 tp->tx_info[i].urb = urb;
1297 tp->tx_info[i].buffer = buf;
1298 tp->tx_info[i].head = tx_agg_align(buf);
1300 list_add_tail(&tp->tx_info[i].list, &tp->tx_free);
1303 tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1307 tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
1311 tp->intr_interval = (int)ep_intr->desc.bInterval;
1312 usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3),
1313 tp->intr_buff, INTBUFSIZE, intr_callback,
1314 tp, tp->intr_interval);
1323 static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp)
1325 struct tx_agg *agg = NULL;
1326 unsigned long flags;
1328 if (list_empty(&tp->tx_free))
1331 spin_lock_irqsave(&tp->tx_lock, flags);
1332 if (!list_empty(&tp->tx_free)) {
1333 struct list_head *cursor;
1335 cursor = tp->tx_free.next;
1336 list_del_init(cursor);
1337 agg = list_entry(cursor, struct tx_agg, list);
1339 spin_unlock_irqrestore(&tp->tx_lock, flags);
1344 static inline __be16 get_protocol(struct sk_buff *skb)
1348 if (skb->protocol == htons(ETH_P_8021Q))
1349 protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
1351 protocol = skb->protocol;
1356 /* r8152_csum_workaround()
1357 * The hw limites the value the transport offset. When the offset is out of the
1358 * range, calculate the checksum by sw.
1360 static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb,
1361 struct sk_buff_head *list)
1363 if (skb_shinfo(skb)->gso_size) {
1364 netdev_features_t features = tp->netdev->features;
1365 struct sk_buff_head seg_list;
1366 struct sk_buff *segs, *nskb;
1368 features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
1369 segs = skb_gso_segment(skb, features);
1370 if (IS_ERR(segs) || !segs)
1373 __skb_queue_head_init(&seg_list);
1379 __skb_queue_tail(&seg_list, nskb);
1382 skb_queue_splice(&seg_list, list);
1384 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1385 if (skb_checksum_help(skb) < 0)
1388 __skb_queue_head(list, skb);
1390 struct net_device_stats *stats;
1393 stats = &tp->netdev->stats;
1394 stats->tx_dropped++;
1399 /* msdn_giant_send_check()
1400 * According to the document of microsoft, the TCP Pseudo Header excludes the
1401 * packet length for IPv6 TCP large packets.
1403 static int msdn_giant_send_check(struct sk_buff *skb)
1405 const struct ipv6hdr *ipv6h;
1409 ret = skb_cow_head(skb, 0);
1413 ipv6h = ipv6_hdr(skb);
1417 th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
1422 static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb)
1424 if (vlan_tx_tag_present(skb)) {
1427 opts2 = TX_VLAN_TAG | swab16(vlan_tx_tag_get(skb));
1428 desc->opts2 |= cpu_to_le32(opts2);
1432 static inline void rtl_rx_vlan_tag(struct rx_desc *desc, struct sk_buff *skb)
1434 u32 opts2 = le32_to_cpu(desc->opts2);
1436 if (opts2 & RX_VLAN_TAG)
1437 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
1438 swab16(opts2 & 0xffff));
1441 static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
1442 struct sk_buff *skb, u32 len, u32 transport_offset)
1444 u32 mss = skb_shinfo(skb)->gso_size;
1445 u32 opts1, opts2 = 0;
1446 int ret = TX_CSUM_SUCCESS;
1448 WARN_ON_ONCE(len > TX_LEN_MAX);
1450 opts1 = len | TX_FS | TX_LS;
1453 if (transport_offset > GTTCPHO_MAX) {
1454 netif_warn(tp, tx_err, tp->netdev,
1455 "Invalid transport offset 0x%x for TSO\n",
1461 switch (get_protocol(skb)) {
1462 case htons(ETH_P_IP):
1466 case htons(ETH_P_IPV6):
1467 if (msdn_giant_send_check(skb)) {
1479 opts1 |= transport_offset << GTTCPHO_SHIFT;
1480 opts2 |= min(mss, MSS_MAX) << MSS_SHIFT;
1481 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1484 if (transport_offset > TCPHO_MAX) {
1485 netif_warn(tp, tx_err, tp->netdev,
1486 "Invalid transport offset 0x%x\n",
1492 switch (get_protocol(skb)) {
1493 case htons(ETH_P_IP):
1495 ip_protocol = ip_hdr(skb)->protocol;
1498 case htons(ETH_P_IPV6):
1500 ip_protocol = ipv6_hdr(skb)->nexthdr;
1504 ip_protocol = IPPROTO_RAW;
1508 if (ip_protocol == IPPROTO_TCP)
1510 else if (ip_protocol == IPPROTO_UDP)
1515 opts2 |= transport_offset << TCPHO_SHIFT;
1518 desc->opts2 = cpu_to_le32(opts2);
1519 desc->opts1 = cpu_to_le32(opts1);
1525 static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
1527 struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
1531 __skb_queue_head_init(&skb_head);
1532 spin_lock(&tx_queue->lock);
1533 skb_queue_splice_init(tx_queue, &skb_head);
1534 spin_unlock(&tx_queue->lock);
1536 tx_data = agg->head;
1539 remain = agg_buf_sz;
1541 while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) {
1542 struct tx_desc *tx_desc;
1543 struct sk_buff *skb;
1547 skb = __skb_dequeue(&skb_head);
1551 len = skb->len + sizeof(*tx_desc);
1554 __skb_queue_head(&skb_head, skb);
1558 tx_data = tx_agg_align(tx_data);
1559 tx_desc = (struct tx_desc *)tx_data;
1561 offset = (u32)skb_transport_offset(skb);
1563 if (r8152_tx_csum(tp, tx_desc, skb, skb->len, offset)) {
1564 r8152_csum_workaround(tp, skb, &skb_head);
1568 rtl_tx_vlan_tag(tx_desc, skb);
1570 tx_data += sizeof(*tx_desc);
1573 if (skb_copy_bits(skb, 0, tx_data, len) < 0) {
1574 struct net_device_stats *stats = &tp->netdev->stats;
1576 stats->tx_dropped++;
1577 dev_kfree_skb_any(skb);
1578 tx_data -= sizeof(*tx_desc);
1583 agg->skb_len += len;
1586 dev_kfree_skb_any(skb);
1588 remain = agg_buf_sz - (int)(tx_agg_align(tx_data) - agg->head);
1591 if (!skb_queue_empty(&skb_head)) {
1592 spin_lock(&tx_queue->lock);
1593 skb_queue_splice(&skb_head, tx_queue);
1594 spin_unlock(&tx_queue->lock);
1597 netif_tx_lock(tp->netdev);
1599 if (netif_queue_stopped(tp->netdev) &&
1600 skb_queue_len(&tp->tx_queue) < tp->tx_qlen)
1601 netif_wake_queue(tp->netdev);
1603 netif_tx_unlock(tp->netdev);
1605 ret = usb_autopm_get_interface_async(tp->intf);
1609 usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2),
1610 agg->head, (int)(tx_data - (u8 *)agg->head),
1611 (usb_complete_t)write_bulk_callback, agg);
1613 ret = usb_submit_urb(agg->urb, GFP_ATOMIC);
1615 usb_autopm_put_interface_async(tp->intf);
1621 static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc)
1623 u8 checksum = CHECKSUM_NONE;
1626 if (tp->version == RTL_VER_01)
1629 opts2 = le32_to_cpu(rx_desc->opts2);
1630 opts3 = le32_to_cpu(rx_desc->opts3);
1632 if (opts2 & RD_IPV4_CS) {
1634 checksum = CHECKSUM_NONE;
1635 else if ((opts2 & RD_UDP_CS) && (opts3 & UDPF))
1636 checksum = CHECKSUM_NONE;
1637 else if ((opts2 & RD_TCP_CS) && (opts3 & TCPF))
1638 checksum = CHECKSUM_NONE;
1640 checksum = CHECKSUM_UNNECESSARY;
1641 } else if (RD_IPV6_CS) {
1642 if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF))
1643 checksum = CHECKSUM_UNNECESSARY;
1644 else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF))
1645 checksum = CHECKSUM_UNNECESSARY;
1652 static void rx_bottom(struct r8152 *tp)
1654 unsigned long flags;
1655 struct list_head *cursor, *next, rx_queue;
1657 if (list_empty(&tp->rx_done))
1660 INIT_LIST_HEAD(&rx_queue);
1661 spin_lock_irqsave(&tp->rx_lock, flags);
1662 list_splice_init(&tp->rx_done, &rx_queue);
1663 spin_unlock_irqrestore(&tp->rx_lock, flags);
1665 list_for_each_safe(cursor, next, &rx_queue) {
1666 struct rx_desc *rx_desc;
1672 list_del_init(cursor);
1674 agg = list_entry(cursor, struct rx_agg, list);
1676 if (urb->actual_length < ETH_ZLEN)
1679 rx_desc = agg->head;
1680 rx_data = agg->head;
1681 len_used += sizeof(struct rx_desc);
1683 while (urb->actual_length > len_used) {
1684 struct net_device *netdev = tp->netdev;
1685 struct net_device_stats *stats = &netdev->stats;
1686 unsigned int pkt_len;
1687 struct sk_buff *skb;
1689 pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
1690 if (pkt_len < ETH_ZLEN)
1693 len_used += pkt_len;
1694 if (urb->actual_length < len_used)
1697 pkt_len -= CRC_SIZE;
1698 rx_data += sizeof(struct rx_desc);
1700 skb = netdev_alloc_skb_ip_align(netdev, pkt_len);
1702 stats->rx_dropped++;
1706 skb->ip_summed = r8152_rx_csum(tp, rx_desc);
1707 memcpy(skb->data, rx_data, pkt_len);
1708 skb_put(skb, pkt_len);
1709 skb->protocol = eth_type_trans(skb, netdev);
1710 rtl_rx_vlan_tag(rx_desc, skb);
1711 netif_receive_skb(skb);
1712 stats->rx_packets++;
1713 stats->rx_bytes += pkt_len;
1716 rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE);
1717 rx_desc = (struct rx_desc *)rx_data;
1718 len_used = (int)(rx_data - (u8 *)agg->head);
1719 len_used += sizeof(struct rx_desc);
1723 r8152_submit_rx(tp, agg, GFP_ATOMIC);
1727 static void tx_bottom(struct r8152 *tp)
1734 if (skb_queue_empty(&tp->tx_queue))
1737 agg = r8152_get_tx_agg(tp);
1741 res = r8152_tx_agg_fill(tp, agg);
1743 struct net_device *netdev = tp->netdev;
1745 if (res == -ENODEV) {
1746 set_bit(RTL8152_UNPLUG, &tp->flags);
1747 netif_device_detach(netdev);
1749 struct net_device_stats *stats = &netdev->stats;
1750 unsigned long flags;
1752 netif_warn(tp, tx_err, netdev,
1753 "failed tx_urb %d\n", res);
1754 stats->tx_dropped += agg->skb_num;
1756 spin_lock_irqsave(&tp->tx_lock, flags);
1757 list_add_tail(&agg->list, &tp->tx_free);
1758 spin_unlock_irqrestore(&tp->tx_lock, flags);
1764 static void bottom_half(unsigned long data)
1768 tp = (struct r8152 *)data;
1770 if (test_bit(RTL8152_UNPLUG, &tp->flags))
1773 if (!test_bit(WORK_ENABLE, &tp->flags))
1776 /* When link down, the driver would cancel all bulks. */
1777 /* This avoid the re-submitting bulk */
1778 if (!netif_carrier_ok(tp->netdev))
1781 clear_bit(SCHEDULE_TASKLET, &tp->flags);
1788 int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
1792 usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
1793 agg->head, agg_buf_sz,
1794 (usb_complete_t)read_bulk_callback, agg);
1796 ret = usb_submit_urb(agg->urb, mem_flags);
1797 if (ret == -ENODEV) {
1798 set_bit(RTL8152_UNPLUG, &tp->flags);
1799 netif_device_detach(tp->netdev);
1801 struct urb *urb = agg->urb;
1802 unsigned long flags;
1804 urb->actual_length = 0;
1805 spin_lock_irqsave(&tp->rx_lock, flags);
1806 list_add_tail(&agg->list, &tp->rx_done);
1807 spin_unlock_irqrestore(&tp->rx_lock, flags);
1808 tasklet_schedule(&tp->tl);
1814 static void rtl_drop_queued_tx(struct r8152 *tp)
1816 struct net_device_stats *stats = &tp->netdev->stats;
1817 struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
1818 struct sk_buff *skb;
1820 if (skb_queue_empty(tx_queue))
1823 __skb_queue_head_init(&skb_head);
1824 spin_lock_bh(&tx_queue->lock);
1825 skb_queue_splice_init(tx_queue, &skb_head);
1826 spin_unlock_bh(&tx_queue->lock);
1828 while ((skb = __skb_dequeue(&skb_head))) {
1830 stats->tx_dropped++;
1834 static void rtl8152_tx_timeout(struct net_device *netdev)
1836 struct r8152 *tp = netdev_priv(netdev);
1839 netif_warn(tp, tx_err, netdev, "Tx timeout\n");
1840 for (i = 0; i < RTL8152_MAX_TX; i++)
1841 usb_unlink_urb(tp->tx_info[i].urb);
1844 static void rtl8152_set_rx_mode(struct net_device *netdev)
1846 struct r8152 *tp = netdev_priv(netdev);
1848 if (tp->speed & LINK_STATUS) {
1849 set_bit(RTL8152_SET_RX_MODE, &tp->flags);
1850 schedule_delayed_work(&tp->schedule, 0);
1854 static void _rtl8152_set_rx_mode(struct net_device *netdev)
1856 struct r8152 *tp = netdev_priv(netdev);
1857 u32 mc_filter[2]; /* Multicast hash filter */
1861 clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
1862 netif_stop_queue(netdev);
1863 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
1864 ocp_data &= ~RCR_ACPT_ALL;
1865 ocp_data |= RCR_AB | RCR_APM;
1867 if (netdev->flags & IFF_PROMISC) {
1868 /* Unconditionally log net taps. */
1869 netif_notice(tp, link, netdev, "Promiscuous mode enabled\n");
1870 ocp_data |= RCR_AM | RCR_AAP;
1871 mc_filter[1] = 0xffffffff;
1872 mc_filter[0] = 0xffffffff;
1873 } else if ((netdev_mc_count(netdev) > multicast_filter_limit) ||
1874 (netdev->flags & IFF_ALLMULTI)) {
1875 /* Too many to filter perfectly -- accept all multicasts. */
1877 mc_filter[1] = 0xffffffff;
1878 mc_filter[0] = 0xffffffff;
1880 struct netdev_hw_addr *ha;
1884 netdev_for_each_mc_addr(ha, netdev) {
1885 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
1887 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
1892 tmp[0] = __cpu_to_le32(swab32(mc_filter[1]));
1893 tmp[1] = __cpu_to_le32(swab32(mc_filter[0]));
1895 pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
1896 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
1897 netif_wake_queue(netdev);
1900 static netdev_features_t
1901 rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
1902 netdev_features_t features)
1904 u32 mss = skb_shinfo(skb)->gso_size;
1905 int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
1906 int offset = skb_transport_offset(skb);
1908 if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
1909 features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK);
1910 else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
1911 features &= ~NETIF_F_GSO_MASK;
1916 static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
1917 struct net_device *netdev)
1919 struct r8152 *tp = netdev_priv(netdev);
1921 skb_tx_timestamp(skb);
1923 skb_queue_tail(&tp->tx_queue, skb);
1925 if (!list_empty(&tp->tx_free)) {
1926 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
1927 set_bit(SCHEDULE_TASKLET, &tp->flags);
1928 schedule_delayed_work(&tp->schedule, 0);
1930 usb_mark_last_busy(tp->udev);
1931 tasklet_schedule(&tp->tl);
1933 } else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) {
1934 netif_stop_queue(netdev);
1937 return NETDEV_TX_OK;
1940 static void r8152b_reset_packet_filter(struct r8152 *tp)
1944 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC);
1945 ocp_data &= ~FMC_FCR_MCU_EN;
1946 ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
1947 ocp_data |= FMC_FCR_MCU_EN;
1948 ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
1951 static void rtl8152_nic_reset(struct r8152 *tp)
1955 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST);
1957 for (i = 0; i < 1000; i++) {
1958 if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST))
1960 usleep_range(100, 400);
1964 static void set_tx_qlen(struct r8152 *tp)
1966 struct net_device *netdev = tp->netdev;
1968 tp->tx_qlen = agg_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + VLAN_HLEN +
1969 sizeof(struct tx_desc));
1972 static inline u8 rtl8152_get_speed(struct r8152 *tp)
1974 return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS);
1977 static void rtl_set_eee_plus(struct r8152 *tp)
1982 speed = rtl8152_get_speed(tp);
1983 if (speed & _10bps) {
1984 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
1985 ocp_data |= EEEP_CR_EEEP_TX;
1986 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
1988 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
1989 ocp_data &= ~EEEP_CR_EEEP_TX;
1990 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
1994 static void rxdy_gated_en(struct r8152 *tp, bool enable)
1998 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1);
2000 ocp_data |= RXDY_GATED_EN;
2002 ocp_data &= ~RXDY_GATED_EN;
2003 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data);
2006 static int rtl_start_rx(struct r8152 *tp)
2010 INIT_LIST_HEAD(&tp->rx_done);
2011 for (i = 0; i < RTL8152_MAX_RX; i++) {
2012 INIT_LIST_HEAD(&tp->rx_info[i].list);
2013 ret = r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL);
2018 if (ret && ++i < RTL8152_MAX_RX) {
2019 struct list_head rx_queue;
2020 unsigned long flags;
2022 INIT_LIST_HEAD(&rx_queue);
2025 struct rx_agg *agg = &tp->rx_info[i++];
2026 struct urb *urb = agg->urb;
2028 urb->actual_length = 0;
2029 list_add_tail(&agg->list, &rx_queue);
2030 } while (i < RTL8152_MAX_RX);
2032 spin_lock_irqsave(&tp->rx_lock, flags);
2033 list_splice_tail(&rx_queue, &tp->rx_done);
2034 spin_unlock_irqrestore(&tp->rx_lock, flags);
2040 static int rtl_stop_rx(struct r8152 *tp)
2044 for (i = 0; i < RTL8152_MAX_RX; i++)
2045 usb_kill_urb(tp->rx_info[i].urb);
2050 static int rtl_enable(struct r8152 *tp)
2054 r8152b_reset_packet_filter(tp);
2056 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
2057 ocp_data |= CR_RE | CR_TE;
2058 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
2060 rxdy_gated_en(tp, false);
2062 return rtl_start_rx(tp);
2065 static int rtl8152_enable(struct r8152 *tp)
2067 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2071 rtl_set_eee_plus(tp);
2073 return rtl_enable(tp);
2076 static void r8153_set_rx_agg(struct r8152 *tp)
2080 speed = rtl8152_get_speed(tp);
2081 if (speed & _1000bps) {
2082 if (tp->udev->speed == USB_SPEED_SUPER) {
2083 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH,
2085 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
2088 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH,
2090 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
2094 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_SLOW);
2095 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
2100 static int rtl8153_enable(struct r8152 *tp)
2102 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2106 rtl_set_eee_plus(tp);
2107 r8153_set_rx_agg(tp);
2109 return rtl_enable(tp);
2112 static void rtl_disable(struct r8152 *tp)
2117 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2118 rtl_drop_queued_tx(tp);
2122 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2123 ocp_data &= ~RCR_ACPT_ALL;
2124 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2126 rtl_drop_queued_tx(tp);
2128 for (i = 0; i < RTL8152_MAX_TX; i++)
2129 usb_kill_urb(tp->tx_info[i].urb);
2131 rxdy_gated_en(tp, true);
2133 for (i = 0; i < 1000; i++) {
2134 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2135 if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
2137 usleep_range(1000, 2000);
2140 for (i = 0; i < 1000; i++) {
2141 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
2143 usleep_range(1000, 2000);
2148 rtl8152_nic_reset(tp);
2151 static void r8152_power_cut_en(struct r8152 *tp, bool enable)
2155 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL);
2157 ocp_data |= POWER_CUT;
2159 ocp_data &= ~POWER_CUT;
2160 ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data);
2162 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS);
2163 ocp_data &= ~RESUME_INDICATE;
2164 ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data);
2167 static void rtl_rx_vlan_en(struct r8152 *tp, bool enable)
2171 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
2173 ocp_data |= CPCR_RX_VLAN;
2175 ocp_data &= ~CPCR_RX_VLAN;
2176 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
2179 static int rtl8152_set_features(struct net_device *dev,
2180 netdev_features_t features)
2182 netdev_features_t changed = features ^ dev->features;
2183 struct r8152 *tp = netdev_priv(dev);
2186 ret = usb_autopm_get_interface(tp->intf);
2190 mutex_lock(&tp->control);
2192 if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
2193 if (features & NETIF_F_HW_VLAN_CTAG_RX)
2194 rtl_rx_vlan_en(tp, true);
2196 rtl_rx_vlan_en(tp, false);
2199 mutex_unlock(&tp->control);
2201 usb_autopm_put_interface(tp->intf);
2207 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
2209 static u32 __rtl_get_wol(struct r8152 *tp)
2214 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2215 if (!(ocp_data & LAN_WAKE_EN))
2218 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2219 if (ocp_data & LINK_ON_WAKE_EN)
2220 wolopts |= WAKE_PHY;
2222 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2223 if (ocp_data & UWF_EN)
2224 wolopts |= WAKE_UCAST;
2225 if (ocp_data & BWF_EN)
2226 wolopts |= WAKE_BCAST;
2227 if (ocp_data & MWF_EN)
2228 wolopts |= WAKE_MCAST;
2230 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
2231 if (ocp_data & MAGIC_EN)
2232 wolopts |= WAKE_MAGIC;
2237 static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
2241 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
2243 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2244 ocp_data &= ~LINK_ON_WAKE_EN;
2245 if (wolopts & WAKE_PHY)
2246 ocp_data |= LINK_ON_WAKE_EN;
2247 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
2249 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2250 ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN);
2251 if (wolopts & WAKE_UCAST)
2253 if (wolopts & WAKE_BCAST)
2255 if (wolopts & WAKE_MCAST)
2257 if (wolopts & WAKE_ANY)
2258 ocp_data |= LAN_WAKE_EN;
2259 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
2261 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2263 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
2264 ocp_data &= ~MAGIC_EN;
2265 if (wolopts & WAKE_MAGIC)
2266 ocp_data |= MAGIC_EN;
2267 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);
2269 if (wolopts & WAKE_ANY)
2270 device_set_wakeup_enable(&tp->udev->dev, true);
2272 device_set_wakeup_enable(&tp->udev->dev, false);
2275 static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
2280 __rtl_set_wol(tp, WAKE_ANY);
2282 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
2284 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2285 ocp_data |= LINK_OFF_WAKE_EN;
2286 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
2288 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2290 __rtl_set_wol(tp, tp->saved_wolopts);
2294 static void rtl_phy_reset(struct r8152 *tp)
2299 clear_bit(PHY_RESET, &tp->flags);
2301 data = r8152_mdio_read(tp, MII_BMCR);
2303 /* don't reset again before the previous one complete */
2304 if (data & BMCR_RESET)
2308 r8152_mdio_write(tp, MII_BMCR, data);
2310 for (i = 0; i < 50; i++) {
2312 if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
2317 static void r8153_teredo_off(struct r8152 *tp)
2321 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
2322 ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK | OOB_TEREDO_EN);
2323 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
2325 ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE);
2326 ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0);
2327 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
2330 static void r8152b_disable_aldps(struct r8152 *tp)
2332 ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE);
2336 static inline void r8152b_enable_aldps(struct r8152 *tp)
2338 ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
2339 LINKENA | DIS_SDSAVE);
2342 static void rtl8152_disable(struct r8152 *tp)
2344 r8152b_disable_aldps(tp);
2346 r8152b_enable_aldps(tp);
2349 static void r8152b_hw_phy_cfg(struct r8152 *tp)
2353 data = r8152_mdio_read(tp, MII_BMCR);
2354 if (data & BMCR_PDOWN) {
2355 data &= ~BMCR_PDOWN;
2356 r8152_mdio_write(tp, MII_BMCR, data);
2359 set_bit(PHY_RESET, &tp->flags);
2362 static void r8152b_exit_oob(struct r8152 *tp)
2367 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2368 ocp_data &= ~RCR_ACPT_ALL;
2369 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2371 rxdy_gated_en(tp, true);
2372 r8153_teredo_off(tp);
2373 r8152b_hw_phy_cfg(tp);
2375 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2376 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00);
2378 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2379 ocp_data &= ~NOW_IS_OOB;
2380 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2382 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2383 ocp_data &= ~MCU_BORW_EN;
2384 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2386 for (i = 0; i < 1000; i++) {
2387 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2388 if (ocp_data & LINK_LIST_READY)
2390 usleep_range(1000, 2000);
2393 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2394 ocp_data |= RE_INIT_LL;
2395 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2397 for (i = 0; i < 1000; i++) {
2398 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2399 if (ocp_data & LINK_LIST_READY)
2401 usleep_range(1000, 2000);
2404 rtl8152_nic_reset(tp);
2406 /* rx share fifo credit full threshold */
2407 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
2409 if (tp->udev->speed == USB_SPEED_FULL ||
2410 tp->udev->speed == USB_SPEED_LOW) {
2411 /* rx share fifo credit near full threshold */
2412 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
2414 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
2417 /* rx share fifo credit near full threshold */
2418 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
2420 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
2424 /* TX share fifo free credit full threshold */
2425 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL);
2427 ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD);
2428 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH);
2429 ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA,
2430 TEST_MODE_DISABLE | TX_SIZE_ADJUST1);
2432 rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
2434 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2436 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
2437 ocp_data |= TCR0_AUTO_FIFO;
2438 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
2441 static void r8152b_enter_oob(struct r8152 *tp)
2446 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2447 ocp_data &= ~NOW_IS_OOB;
2448 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2450 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
2451 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
2452 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
2456 for (i = 0; i < 1000; i++) {
2457 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2458 if (ocp_data & LINK_LIST_READY)
2460 usleep_range(1000, 2000);
2463 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2464 ocp_data |= RE_INIT_LL;
2465 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2467 for (i = 0; i < 1000; i++) {
2468 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2469 if (ocp_data & LINK_LIST_READY)
2471 usleep_range(1000, 2000);
2474 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2476 rtl_rx_vlan_en(tp, true);
2478 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
2479 ocp_data |= ALDPS_PROXY_MODE;
2480 ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
2482 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2483 ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
2484 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2486 rxdy_gated_en(tp, false);
2488 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2489 ocp_data |= RCR_APM | RCR_AM | RCR_AB;
2490 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2493 static void r8153_hw_phy_cfg(struct r8152 *tp)
2498 ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
2499 data = r8152_mdio_read(tp, MII_BMCR);
2500 if (data & BMCR_PDOWN) {
2501 data &= ~BMCR_PDOWN;
2502 r8152_mdio_write(tp, MII_BMCR, data);
2505 if (tp->version == RTL_VER_03) {
2506 data = ocp_reg_read(tp, OCP_EEE_CFG);
2507 data &= ~CTAP_SHORT_EN;
2508 ocp_reg_write(tp, OCP_EEE_CFG, data);
2511 data = ocp_reg_read(tp, OCP_POWER_CFG);
2512 data |= EEE_CLKDIV_EN;
2513 ocp_reg_write(tp, OCP_POWER_CFG, data);
2515 data = ocp_reg_read(tp, OCP_DOWN_SPEED);
2516 data |= EN_10M_BGOFF;
2517 ocp_reg_write(tp, OCP_DOWN_SPEED, data);
2518 data = ocp_reg_read(tp, OCP_POWER_CFG);
2519 data |= EN_10M_PLLOFF;
2520 ocp_reg_write(tp, OCP_POWER_CFG, data);
2521 data = sram_read(tp, SRAM_IMPEDANCE);
2522 data &= ~RX_DRIVING_MASK;
2523 sram_write(tp, SRAM_IMPEDANCE, data);
2525 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
2526 ocp_data |= PFM_PWM_SWITCH;
2527 ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
2529 data = sram_read(tp, SRAM_LPF_CFG);
2530 data |= LPF_AUTO_TUNE;
2531 sram_write(tp, SRAM_LPF_CFG, data);
2533 data = sram_read(tp, SRAM_10M_AMP1);
2534 data |= GDAC_IB_UPALL;
2535 sram_write(tp, SRAM_10M_AMP1, data);
2536 data = sram_read(tp, SRAM_10M_AMP2);
2538 sram_write(tp, SRAM_10M_AMP2, data);
2540 set_bit(PHY_RESET, &tp->flags);
2543 static void r8153_u1u2en(struct r8152 *tp, bool enable)
2548 memset(u1u2, 0xff, sizeof(u1u2));
2550 memset(u1u2, 0x00, sizeof(u1u2));
2552 usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
2555 static void r8153_u2p3en(struct r8152 *tp, bool enable)
2559 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
2561 ocp_data |= U2P3_ENABLE;
2563 ocp_data &= ~U2P3_ENABLE;
2564 ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
2567 static void r8153_power_cut_en(struct r8152 *tp, bool enable)
2571 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
2573 ocp_data |= PWR_EN | PHASE2_EN;
2575 ocp_data &= ~(PWR_EN | PHASE2_EN);
2576 ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
2578 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
2579 ocp_data &= ~PCUT_STATUS;
2580 ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
2583 static void r8153_first_init(struct r8152 *tp)
2588 rxdy_gated_en(tp, true);
2589 r8153_teredo_off(tp);
2591 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2592 ocp_data &= ~RCR_ACPT_ALL;
2593 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2595 r8153_hw_phy_cfg(tp);
2597 rtl8152_nic_reset(tp);
2599 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2600 ocp_data &= ~NOW_IS_OOB;
2601 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2603 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2604 ocp_data &= ~MCU_BORW_EN;
2605 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2607 for (i = 0; i < 1000; i++) {
2608 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2609 if (ocp_data & LINK_LIST_READY)
2611 usleep_range(1000, 2000);
2614 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2615 ocp_data |= RE_INIT_LL;
2616 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2618 for (i = 0; i < 1000; i++) {
2619 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2620 if (ocp_data & LINK_LIST_READY)
2622 usleep_range(1000, 2000);
2625 rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
2627 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
2628 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
2630 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
2631 ocp_data |= TCR0_AUTO_FIFO;
2632 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
2634 rtl8152_nic_reset(tp);
2636 /* rx share fifo credit full threshold */
2637 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
2638 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
2639 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
2640 /* TX share fifo free credit full threshold */
2641 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
2643 /* rx aggregation */
2644 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
2645 ocp_data &= ~RX_AGG_DISABLE;
2646 ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
2649 static void r8153_enter_oob(struct r8152 *tp)
2654 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2655 ocp_data &= ~NOW_IS_OOB;
2656 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2660 for (i = 0; i < 1000; i++) {
2661 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2662 if (ocp_data & LINK_LIST_READY)
2664 usleep_range(1000, 2000);
2667 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2668 ocp_data |= RE_INIT_LL;
2669 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2671 for (i = 0; i < 1000; i++) {
2672 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2673 if (ocp_data & LINK_LIST_READY)
2675 usleep_range(1000, 2000);
2678 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
2680 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
2681 ocp_data &= ~TEREDO_WAKE_MASK;
2682 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
2684 rtl_rx_vlan_en(tp, true);
2686 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
2687 ocp_data |= ALDPS_PROXY_MODE;
2688 ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
2690 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2691 ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
2692 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2694 rxdy_gated_en(tp, false);
2696 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2697 ocp_data |= RCR_APM | RCR_AM | RCR_AB;
2698 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2701 static void r8153_disable_aldps(struct r8152 *tp)
2705 data = ocp_reg_read(tp, OCP_POWER_CFG);
2707 ocp_reg_write(tp, OCP_POWER_CFG, data);
2711 static void r8153_enable_aldps(struct r8152 *tp)
2715 data = ocp_reg_read(tp, OCP_POWER_CFG);
2717 ocp_reg_write(tp, OCP_POWER_CFG, data);
2720 static void rtl8153_disable(struct r8152 *tp)
2722 r8153_disable_aldps(tp);
2724 r8153_enable_aldps(tp);
2727 static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
2729 u16 bmcr, anar, gbcr;
2732 cancel_delayed_work_sync(&tp->schedule);
2733 anar = r8152_mdio_read(tp, MII_ADVERTISE);
2734 anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
2735 ADVERTISE_100HALF | ADVERTISE_100FULL);
2736 if (tp->mii.supports_gmii) {
2737 gbcr = r8152_mdio_read(tp, MII_CTRL1000);
2738 gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
2743 if (autoneg == AUTONEG_DISABLE) {
2744 if (speed == SPEED_10) {
2746 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2747 } else if (speed == SPEED_100) {
2748 bmcr = BMCR_SPEED100;
2749 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2750 } else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
2751 bmcr = BMCR_SPEED1000;
2752 gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
2758 if (duplex == DUPLEX_FULL)
2759 bmcr |= BMCR_FULLDPLX;
2761 if (speed == SPEED_10) {
2762 if (duplex == DUPLEX_FULL)
2763 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2765 anar |= ADVERTISE_10HALF;
2766 } else if (speed == SPEED_100) {
2767 if (duplex == DUPLEX_FULL) {
2768 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2769 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2771 anar |= ADVERTISE_10HALF;
2772 anar |= ADVERTISE_100HALF;
2774 } else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
2775 if (duplex == DUPLEX_FULL) {
2776 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2777 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2778 gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
2780 anar |= ADVERTISE_10HALF;
2781 anar |= ADVERTISE_100HALF;
2782 gbcr |= ADVERTISE_1000HALF;
2789 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
2792 if (test_bit(PHY_RESET, &tp->flags))
2795 if (tp->mii.supports_gmii)
2796 r8152_mdio_write(tp, MII_CTRL1000, gbcr);
2798 r8152_mdio_write(tp, MII_ADVERTISE, anar);
2799 r8152_mdio_write(tp, MII_BMCR, bmcr);
2801 if (test_bit(PHY_RESET, &tp->flags)) {
2804 clear_bit(PHY_RESET, &tp->flags);
2805 for (i = 0; i < 50; i++) {
2807 if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
2817 static void rtl8152_up(struct r8152 *tp)
2819 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2822 r8152b_disable_aldps(tp);
2823 r8152b_exit_oob(tp);
2824 r8152b_enable_aldps(tp);
2827 static void rtl8152_down(struct r8152 *tp)
2829 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2830 rtl_drop_queued_tx(tp);
2834 r8152_power_cut_en(tp, false);
2835 r8152b_disable_aldps(tp);
2836 r8152b_enter_oob(tp);
2837 r8152b_enable_aldps(tp);
2840 static void rtl8153_up(struct r8152 *tp)
2842 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2845 r8153_disable_aldps(tp);
2846 r8153_first_init(tp);
2847 r8153_enable_aldps(tp);
2850 static void rtl8153_down(struct r8152 *tp)
2852 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2853 rtl_drop_queued_tx(tp);
2857 r8153_u1u2en(tp, false);
2858 r8153_power_cut_en(tp, false);
2859 r8153_disable_aldps(tp);
2860 r8153_enter_oob(tp);
2861 r8153_enable_aldps(tp);
2864 static void set_carrier(struct r8152 *tp)
2866 struct net_device *netdev = tp->netdev;
2869 clear_bit(RTL8152_LINK_CHG, &tp->flags);
2870 speed = rtl8152_get_speed(tp);
2872 if (speed & LINK_STATUS) {
2873 if (!(tp->speed & LINK_STATUS)) {
2874 tp->rtl_ops.enable(tp);
2875 set_bit(RTL8152_SET_RX_MODE, &tp->flags);
2876 netif_carrier_on(netdev);
2879 if (tp->speed & LINK_STATUS) {
2880 netif_carrier_off(netdev);
2881 tasklet_disable(&tp->tl);
2882 tp->rtl_ops.disable(tp);
2883 tasklet_enable(&tp->tl);
2889 static void rtl_work_func_t(struct work_struct *work)
2891 struct r8152 *tp = container_of(work, struct r8152, schedule.work);
2893 /* If the device is unplugged or !netif_running(), the workqueue
2894 * doesn't need to wake the device, and could return directly.
2896 if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev))
2899 if (usb_autopm_get_interface(tp->intf) < 0)
2902 if (!test_bit(WORK_ENABLE, &tp->flags))
2905 if (!mutex_trylock(&tp->control)) {
2906 schedule_delayed_work(&tp->schedule, 0);
2910 if (test_bit(RTL8152_LINK_CHG, &tp->flags))
2913 if (test_bit(RTL8152_SET_RX_MODE, &tp->flags))
2914 _rtl8152_set_rx_mode(tp->netdev);
2916 if (test_bit(SCHEDULE_TASKLET, &tp->flags) &&
2917 (tp->speed & LINK_STATUS)) {
2918 clear_bit(SCHEDULE_TASKLET, &tp->flags);
2919 tasklet_schedule(&tp->tl);
2922 if (test_bit(PHY_RESET, &tp->flags))
2925 mutex_unlock(&tp->control);
2928 usb_autopm_put_interface(tp->intf);
2931 static int rtl8152_open(struct net_device *netdev)
2933 struct r8152 *tp = netdev_priv(netdev);
2936 res = alloc_all_mem(tp);
2940 /* set speed to 0 to avoid autoresume try to submit rx */
2943 res = usb_autopm_get_interface(tp->intf);
2949 mutex_lock(&tp->control);
2951 /* The WORK_ENABLE may be set when autoresume occurs */
2952 if (test_bit(WORK_ENABLE, &tp->flags)) {
2953 clear_bit(WORK_ENABLE, &tp->flags);
2954 usb_kill_urb(tp->intr_urb);
2955 cancel_delayed_work_sync(&tp->schedule);
2957 /* disable the tx/rx, if the workqueue has enabled them. */
2958 if (tp->speed & LINK_STATUS)
2959 tp->rtl_ops.disable(tp);
2964 rtl8152_set_speed(tp, AUTONEG_ENABLE,
2965 tp->mii.supports_gmii ? SPEED_1000 : SPEED_100,
2968 netif_carrier_off(netdev);
2969 netif_start_queue(netdev);
2970 set_bit(WORK_ENABLE, &tp->flags);
2972 res = usb_submit_urb(tp->intr_urb, GFP_KERNEL);
2975 netif_device_detach(tp->netdev);
2976 netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n",
2980 tasklet_enable(&tp->tl);
2983 mutex_unlock(&tp->control);
2985 usb_autopm_put_interface(tp->intf);
2991 static int rtl8152_close(struct net_device *netdev)
2993 struct r8152 *tp = netdev_priv(netdev);
2996 tasklet_disable(&tp->tl);
2997 clear_bit(WORK_ENABLE, &tp->flags);
2998 usb_kill_urb(tp->intr_urb);
2999 cancel_delayed_work_sync(&tp->schedule);
3000 netif_stop_queue(netdev);
3002 res = usb_autopm_get_interface(tp->intf);
3004 rtl_drop_queued_tx(tp);
3006 mutex_lock(&tp->control);
3008 /* The autosuspend may have been enabled and wouldn't
3009 * be disable when autoresume occurs, because the
3010 * netif_running() would be false.
3012 rtl_runtime_suspend_enable(tp, false);
3014 tp->rtl_ops.down(tp);
3016 mutex_unlock(&tp->control);
3018 usb_autopm_put_interface(tp->intf);
3026 static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg)
3028 ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev);
3029 ocp_reg_write(tp, OCP_EEE_DATA, reg);
3030 ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev);
3033 static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg)
3037 r8152_mmd_indirect(tp, dev, reg);
3038 data = ocp_reg_read(tp, OCP_EEE_DATA);
3039 ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
3044 static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data)
3046 r8152_mmd_indirect(tp, dev, reg);
3047 ocp_reg_write(tp, OCP_EEE_DATA, data);
3048 ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
3051 static void r8152_eee_en(struct r8152 *tp, bool enable)
3053 u16 config1, config2, config3;
3056 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3057 config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask;
3058 config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2);
3059 config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask;
3062 ocp_data |= EEE_RX_EN | EEE_TX_EN;
3063 config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN;
3064 config1 |= sd_rise_time(1);
3065 config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN;
3066 config3 |= fast_snr(42);
3068 ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
3069 config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN |
3071 config1 |= sd_rise_time(7);
3072 config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN);
3073 config3 |= fast_snr(511);
3076 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
3077 ocp_reg_write(tp, OCP_EEE_CONFIG1, config1);
3078 ocp_reg_write(tp, OCP_EEE_CONFIG2, config2);
3079 ocp_reg_write(tp, OCP_EEE_CONFIG3, config3);
3082 static void r8152b_enable_eee(struct r8152 *tp)
3084 r8152_eee_en(tp, true);
3085 r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, MDIO_EEE_100TX);
3088 static void r8153_eee_en(struct r8152 *tp, bool enable)
3093 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3094 config = ocp_reg_read(tp, OCP_EEE_CFG);
3097 ocp_data |= EEE_RX_EN | EEE_TX_EN;
3100 ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
3101 config &= ~EEE10_EN;
3104 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
3105 ocp_reg_write(tp, OCP_EEE_CFG, config);
3108 static void r8153_enable_eee(struct r8152 *tp)
3110 r8153_eee_en(tp, true);
3111 ocp_reg_write(tp, OCP_EEE_ADV, MDIO_EEE_1000T | MDIO_EEE_100TX);
3114 static void r8152b_enable_fc(struct r8152 *tp)
3118 anar = r8152_mdio_read(tp, MII_ADVERTISE);
3119 anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
3120 r8152_mdio_write(tp, MII_ADVERTISE, anar);
3123 static void rtl_tally_reset(struct r8152 *tp)
3127 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY);
3128 ocp_data |= TALLY_RESET;
3129 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
3132 static void r8152b_init(struct r8152 *tp)
3136 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3139 r8152b_disable_aldps(tp);
3141 if (tp->version == RTL_VER_01) {
3142 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
3143 ocp_data &= ~LED_MODE_MASK;
3144 ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
3147 r8152_power_cut_en(tp, false);
3149 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
3150 ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH;
3151 ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
3152 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL);
3153 ocp_data &= ~MCU_CLK_RATIO_MASK;
3154 ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN;
3155 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data);
3156 ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK |
3157 SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK;
3158 ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
3160 r8152b_enable_eee(tp);
3161 r8152b_enable_aldps(tp);
3162 r8152b_enable_fc(tp);
3163 rtl_tally_reset(tp);
3165 /* enable rx aggregation */
3166 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
3167 ocp_data &= ~RX_AGG_DISABLE;
3168 ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
3171 static void r8153_init(struct r8152 *tp)
3176 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3179 r8153_disable_aldps(tp);
3180 r8153_u1u2en(tp, false);
3182 for (i = 0; i < 500; i++) {
3183 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
3189 for (i = 0; i < 500; i++) {
3190 ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
3191 if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN)
3196 r8153_u2p3en(tp, false);
3198 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
3199 ocp_data &= ~TIMER11_EN;
3200 ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
3202 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
3203 ocp_data &= ~LED_MODE_MASK;
3204 ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
3206 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL);
3207 ocp_data &= ~LPM_TIMER_MASK;
3208 if (tp->udev->speed == USB_SPEED_SUPER)
3209 ocp_data |= LPM_TIMER_500US;
3211 ocp_data |= LPM_TIMER_500MS;
3212 ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
3214 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
3215 ocp_data &= ~SEN_VAL_MASK;
3216 ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
3217 ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
3219 r8153_power_cut_en(tp, false);
3220 r8153_u1u2en(tp, true);
3222 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ALDPS_SPDWN_RATIO);
3223 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, EEE_SPDWN_RATIO);
3224 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3,
3225 PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN |
3226 U1U2_SPDWN_EN | L1_SPDWN_EN);
3227 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4,
3228 PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN |
3229 TP100_SPDWN_EN | TP500_SPDWN_EN | TP1000_SPDWN_EN |
3232 r8153_enable_eee(tp);
3233 r8153_enable_aldps(tp);
3234 r8152b_enable_fc(tp);
3235 rtl_tally_reset(tp);
3238 static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
3240 struct r8152 *tp = usb_get_intfdata(intf);
3241 struct net_device *netdev = tp->netdev;
3244 mutex_lock(&tp->control);
3246 if (PMSG_IS_AUTO(message)) {
3247 if (netif_running(netdev) && work_busy(&tp->schedule.work)) {
3252 set_bit(SELECTIVE_SUSPEND, &tp->flags);
3254 netif_device_detach(netdev);
3257 if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
3258 clear_bit(WORK_ENABLE, &tp->flags);
3259 usb_kill_urb(tp->intr_urb);
3260 tasklet_disable(&tp->tl);
3261 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3263 rtl_runtime_suspend_enable(tp, true);
3265 cancel_delayed_work_sync(&tp->schedule);
3266 tp->rtl_ops.down(tp);
3268 tasklet_enable(&tp->tl);
3271 mutex_unlock(&tp->control);
3276 static int rtl8152_resume(struct usb_interface *intf)
3278 struct r8152 *tp = usb_get_intfdata(intf);
3280 mutex_lock(&tp->control);
3282 if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3283 tp->rtl_ops.init(tp);
3284 netif_device_attach(tp->netdev);
3287 if (netif_running(tp->netdev)) {
3288 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3289 rtl_runtime_suspend_enable(tp, false);
3290 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
3291 set_bit(WORK_ENABLE, &tp->flags);
3292 if (tp->speed & LINK_STATUS)
3296 rtl8152_set_speed(tp, AUTONEG_ENABLE,
3297 tp->mii.supports_gmii ?
3298 SPEED_1000 : SPEED_100,
3301 netif_carrier_off(tp->netdev);
3302 set_bit(WORK_ENABLE, &tp->flags);
3304 usb_submit_urb(tp->intr_urb, GFP_KERNEL);
3305 } else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3306 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
3309 mutex_unlock(&tp->control);
3314 static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
3316 struct r8152 *tp = netdev_priv(dev);
3318 if (usb_autopm_get_interface(tp->intf) < 0)
3321 mutex_lock(&tp->control);
3323 wol->supported = WAKE_ANY;
3324 wol->wolopts = __rtl_get_wol(tp);
3326 mutex_unlock(&tp->control);
3328 usb_autopm_put_interface(tp->intf);
3331 static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
3333 struct r8152 *tp = netdev_priv(dev);
3336 ret = usb_autopm_get_interface(tp->intf);
3340 mutex_lock(&tp->control);
3342 __rtl_set_wol(tp, wol->wolopts);
3343 tp->saved_wolopts = wol->wolopts & WAKE_ANY;
3345 mutex_unlock(&tp->control);
3347 usb_autopm_put_interface(tp->intf);
3353 static u32 rtl8152_get_msglevel(struct net_device *dev)
3355 struct r8152 *tp = netdev_priv(dev);
3357 return tp->msg_enable;
3360 static void rtl8152_set_msglevel(struct net_device *dev, u32 value)
3362 struct r8152 *tp = netdev_priv(dev);
3364 tp->msg_enable = value;
3367 static void rtl8152_get_drvinfo(struct net_device *netdev,
3368 struct ethtool_drvinfo *info)
3370 struct r8152 *tp = netdev_priv(netdev);
3372 strlcpy(info->driver, MODULENAME, sizeof(info->driver));
3373 strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
3374 usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info));
3378 int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
3380 struct r8152 *tp = netdev_priv(netdev);
3383 if (!tp->mii.mdio_read)
3386 ret = usb_autopm_get_interface(tp->intf);
3390 mutex_lock(&tp->control);
3392 ret = mii_ethtool_gset(&tp->mii, cmd);
3394 mutex_unlock(&tp->control);
3396 usb_autopm_put_interface(tp->intf);
3402 static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
3404 struct r8152 *tp = netdev_priv(dev);
3407 ret = usb_autopm_get_interface(tp->intf);
3411 mutex_lock(&tp->control);
3413 ret = rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex);
3415 mutex_unlock(&tp->control);
3417 usb_autopm_put_interface(tp->intf);
3423 static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = {
3430 "tx_single_collisions",
3431 "tx_multi_collisions",
3439 static int rtl8152_get_sset_count(struct net_device *dev, int sset)
3443 return ARRAY_SIZE(rtl8152_gstrings);
3449 static void rtl8152_get_ethtool_stats(struct net_device *dev,
3450 struct ethtool_stats *stats, u64 *data)
3452 struct r8152 *tp = netdev_priv(dev);
3453 struct tally_counter tally;
3455 if (usb_autopm_get_interface(tp->intf) < 0)
3458 generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
3460 usb_autopm_put_interface(tp->intf);
3462 data[0] = le64_to_cpu(tally.tx_packets);
3463 data[1] = le64_to_cpu(tally.rx_packets);
3464 data[2] = le64_to_cpu(tally.tx_errors);
3465 data[3] = le32_to_cpu(tally.rx_errors);
3466 data[4] = le16_to_cpu(tally.rx_missed);
3467 data[5] = le16_to_cpu(tally.align_errors);
3468 data[6] = le32_to_cpu(tally.tx_one_collision);
3469 data[7] = le32_to_cpu(tally.tx_multi_collision);
3470 data[8] = le64_to_cpu(tally.rx_unicast);
3471 data[9] = le64_to_cpu(tally.rx_broadcast);
3472 data[10] = le32_to_cpu(tally.rx_multicast);
3473 data[11] = le16_to_cpu(tally.tx_aborted);
3474 data[12] = le16_to_cpu(tally.tx_underrun);
3477 static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
3479 switch (stringset) {
3481 memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings));
3486 static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
3488 u32 ocp_data, lp, adv, supported = 0;
3491 val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
3492 supported = mmd_eee_cap_to_ethtool_sup_t(val);
3494 val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
3495 adv = mmd_eee_adv_to_ethtool_adv_t(val);
3497 val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
3498 lp = mmd_eee_adv_to_ethtool_adv_t(val);
3500 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3501 ocp_data &= EEE_RX_EN | EEE_TX_EN;
3503 eee->eee_enabled = !!ocp_data;
3504 eee->eee_active = !!(supported & adv & lp);
3505 eee->supported = supported;
3506 eee->advertised = adv;
3507 eee->lp_advertised = lp;
3512 static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
3514 u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
3516 r8152_eee_en(tp, eee->eee_enabled);
3518 if (!eee->eee_enabled)
3521 r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
3526 static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
3528 u32 ocp_data, lp, adv, supported = 0;
3531 val = ocp_reg_read(tp, OCP_EEE_ABLE);
3532 supported = mmd_eee_cap_to_ethtool_sup_t(val);
3534 val = ocp_reg_read(tp, OCP_EEE_ADV);
3535 adv = mmd_eee_adv_to_ethtool_adv_t(val);
3537 val = ocp_reg_read(tp, OCP_EEE_LPABLE);
3538 lp = mmd_eee_adv_to_ethtool_adv_t(val);
3540 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3541 ocp_data &= EEE_RX_EN | EEE_TX_EN;
3543 eee->eee_enabled = !!ocp_data;
3544 eee->eee_active = !!(supported & adv & lp);
3545 eee->supported = supported;
3546 eee->advertised = adv;
3547 eee->lp_advertised = lp;
3552 static int r8153_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
3554 u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
3556 r8153_eee_en(tp, eee->eee_enabled);
3558 if (!eee->eee_enabled)
3561 ocp_reg_write(tp, OCP_EEE_ADV, val);
3567 rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata)
3569 struct r8152 *tp = netdev_priv(net);
3572 ret = usb_autopm_get_interface(tp->intf);
3576 mutex_lock(&tp->control);
3578 ret = tp->rtl_ops.eee_get(tp, edata);
3580 mutex_unlock(&tp->control);
3582 usb_autopm_put_interface(tp->intf);
3589 rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata)
3591 struct r8152 *tp = netdev_priv(net);
3594 ret = usb_autopm_get_interface(tp->intf);
3598 mutex_lock(&tp->control);
3600 ret = tp->rtl_ops.eee_set(tp, edata);
3602 ret = mii_nway_restart(&tp->mii);
3604 mutex_unlock(&tp->control);
3606 usb_autopm_put_interface(tp->intf);
3612 static int rtl8152_nway_reset(struct net_device *dev)
3614 struct r8152 *tp = netdev_priv(dev);
3617 ret = usb_autopm_get_interface(tp->intf);
3621 mutex_lock(&tp->control);
3623 ret = mii_nway_restart(&tp->mii);
3625 mutex_unlock(&tp->control);
3627 usb_autopm_put_interface(tp->intf);
3633 static struct ethtool_ops ops = {
3634 .get_drvinfo = rtl8152_get_drvinfo,
3635 .get_settings = rtl8152_get_settings,
3636 .set_settings = rtl8152_set_settings,
3637 .get_link = ethtool_op_get_link,
3638 .nway_reset = rtl8152_nway_reset,
3639 .get_msglevel = rtl8152_get_msglevel,
3640 .set_msglevel = rtl8152_set_msglevel,
3641 .get_wol = rtl8152_get_wol,
3642 .set_wol = rtl8152_set_wol,
3643 .get_strings = rtl8152_get_strings,
3644 .get_sset_count = rtl8152_get_sset_count,
3645 .get_ethtool_stats = rtl8152_get_ethtool_stats,
3646 .get_eee = rtl_ethtool_get_eee,
3647 .set_eee = rtl_ethtool_set_eee,
3650 static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
3652 struct r8152 *tp = netdev_priv(netdev);
3653 struct mii_ioctl_data *data = if_mii(rq);
3656 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3659 res = usb_autopm_get_interface(tp->intf);
3665 data->phy_id = R8152_PHY_ID; /* Internal PHY */
3669 mutex_lock(&tp->control);
3670 data->val_out = r8152_mdio_read(tp, data->reg_num);
3671 mutex_unlock(&tp->control);
3675 if (!capable(CAP_NET_ADMIN)) {
3679 mutex_lock(&tp->control);
3680 r8152_mdio_write(tp, data->reg_num, data->val_in);
3681 mutex_unlock(&tp->control);
3688 usb_autopm_put_interface(tp->intf);
3694 static int rtl8152_change_mtu(struct net_device *dev, int new_mtu)
3696 struct r8152 *tp = netdev_priv(dev);
3698 switch (tp->version) {
3701 return eth_change_mtu(dev, new_mtu);
3706 if (new_mtu < 68 || new_mtu > RTL8153_MAX_MTU)
3714 static const struct net_device_ops rtl8152_netdev_ops = {
3715 .ndo_open = rtl8152_open,
3716 .ndo_stop = rtl8152_close,
3717 .ndo_do_ioctl = rtl8152_ioctl,
3718 .ndo_start_xmit = rtl8152_start_xmit,
3719 .ndo_tx_timeout = rtl8152_tx_timeout,
3720 .ndo_set_features = rtl8152_set_features,
3721 .ndo_set_rx_mode = rtl8152_set_rx_mode,
3722 .ndo_set_mac_address = rtl8152_set_mac_address,
3723 .ndo_change_mtu = rtl8152_change_mtu,
3724 .ndo_validate_addr = eth_validate_addr,
3725 .ndo_features_check = rtl8152_features_check,
3728 static void r8152b_get_version(struct r8152 *tp)
3733 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1);
3734 version = (u16)(ocp_data & VERSION_MASK);
3738 tp->version = RTL_VER_01;
3741 tp->version = RTL_VER_02;
3744 tp->version = RTL_VER_03;
3745 tp->mii.supports_gmii = 1;
3748 tp->version = RTL_VER_04;
3749 tp->mii.supports_gmii = 1;
3752 tp->version = RTL_VER_05;
3753 tp->mii.supports_gmii = 1;
3756 netif_info(tp, probe, tp->netdev,
3757 "Unknown version 0x%04x\n", version);
3762 static void rtl8152_unload(struct r8152 *tp)
3764 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3767 if (tp->version != RTL_VER_01)
3768 r8152_power_cut_en(tp, true);
3771 static void rtl8153_unload(struct r8152 *tp)
3773 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3776 r8153_power_cut_en(tp, false);
3779 static int rtl_ops_init(struct r8152 *tp)
3781 struct rtl_ops *ops = &tp->rtl_ops;
3784 switch (tp->version) {
3787 ops->init = r8152b_init;
3788 ops->enable = rtl8152_enable;
3789 ops->disable = rtl8152_disable;
3790 ops->up = rtl8152_up;
3791 ops->down = rtl8152_down;
3792 ops->unload = rtl8152_unload;
3793 ops->eee_get = r8152_get_eee;
3794 ops->eee_set = r8152_set_eee;
3800 ops->init = r8153_init;
3801 ops->enable = rtl8153_enable;
3802 ops->disable = rtl8153_disable;
3803 ops->up = rtl8153_up;
3804 ops->down = rtl8153_down;
3805 ops->unload = rtl8153_unload;
3806 ops->eee_get = r8153_get_eee;
3807 ops->eee_set = r8153_set_eee;
3812 netif_err(tp, probe, tp->netdev, "Unknown Device\n");
3819 static int rtl8152_probe(struct usb_interface *intf,
3820 const struct usb_device_id *id)
3822 struct usb_device *udev = interface_to_usbdev(intf);
3824 struct net_device *netdev;
3827 if (udev->actconfig->desc.bConfigurationValue != 1) {
3828 usb_driver_set_configuration(udev, 1);
3832 usb_reset_device(udev);
3833 netdev = alloc_etherdev(sizeof(struct r8152));
3835 dev_err(&intf->dev, "Out of memory\n");
3839 SET_NETDEV_DEV(netdev, &intf->dev);
3840 tp = netdev_priv(netdev);
3841 tp->msg_enable = 0x7FFF;
3844 tp->netdev = netdev;
3847 r8152b_get_version(tp);
3848 ret = rtl_ops_init(tp);
3852 tasklet_init(&tp->tl, bottom_half, (unsigned long)tp);
3853 mutex_init(&tp->control);
3854 INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
3856 netdev->netdev_ops = &rtl8152_netdev_ops;
3857 netdev->watchdog_timeo = RTL8152_TX_TIMEOUT;
3859 netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
3860 NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM |
3861 NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX |
3862 NETIF_F_HW_VLAN_CTAG_TX;
3863 netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
3864 NETIF_F_TSO | NETIF_F_FRAGLIST |
3865 NETIF_F_IPV6_CSUM | NETIF_F_TSO6 |
3866 NETIF_F_HW_VLAN_CTAG_RX |
3867 NETIF_F_HW_VLAN_CTAG_TX;
3868 netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3869 NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
3870 NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
3872 netdev->ethtool_ops = &ops;
3873 netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE);
3875 tp->mii.dev = netdev;
3876 tp->mii.mdio_read = read_mii_word;
3877 tp->mii.mdio_write = write_mii_word;
3878 tp->mii.phy_id_mask = 0x3f;
3879 tp->mii.reg_num_mask = 0x1f;
3880 tp->mii.phy_id = R8152_PHY_ID;
3882 intf->needs_remote_wakeup = 1;
3884 tp->rtl_ops.init(tp);
3885 set_ethernet_addr(tp);
3887 usb_set_intfdata(intf, tp);
3889 ret = register_netdev(netdev);
3891 netif_err(tp, probe, netdev, "couldn't register the device\n");
3895 tp->saved_wolopts = __rtl_get_wol(tp);
3896 if (tp->saved_wolopts)
3897 device_set_wakeup_enable(&udev->dev, true);
3899 device_set_wakeup_enable(&udev->dev, false);
3901 tasklet_disable(&tp->tl);
3903 netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
3908 usb_set_intfdata(intf, NULL);
3909 tasklet_kill(&tp->tl);
3911 free_netdev(netdev);
3915 static void rtl8152_disconnect(struct usb_interface *intf)
3917 struct r8152 *tp = usb_get_intfdata(intf);
3919 usb_set_intfdata(intf, NULL);
3921 struct usb_device *udev = tp->udev;
3923 if (udev->state == USB_STATE_NOTATTACHED)
3924 set_bit(RTL8152_UNPLUG, &tp->flags);
3926 tasklet_kill(&tp->tl);
3927 unregister_netdev(tp->netdev);
3928 tp->rtl_ops.unload(tp);
3929 free_netdev(tp->netdev);
3933 #define REALTEK_USB_DEVICE(vend, prod) \
3934 .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
3935 USB_DEVICE_ID_MATCH_INT_CLASS, \
3936 .idVendor = (vend), \
3937 .idProduct = (prod), \
3938 .bInterfaceClass = USB_CLASS_VENDOR_SPEC \
3941 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \
3942 USB_DEVICE_ID_MATCH_DEVICE, \
3943 .idVendor = (vend), \
3944 .idProduct = (prod), \
3945 .bInterfaceClass = USB_CLASS_COMM, \
3946 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
3947 .bInterfaceProtocol = USB_CDC_PROTO_NONE
3949 /* table of devices that work with this driver */
3950 static struct usb_device_id rtl8152_table[] = {
3951 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)},
3952 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},
3953 {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
3957 MODULE_DEVICE_TABLE(usb, rtl8152_table);
3959 static struct usb_driver rtl8152_driver = {
3961 .id_table = rtl8152_table,
3962 .probe = rtl8152_probe,
3963 .disconnect = rtl8152_disconnect,
3964 .suspend = rtl8152_suspend,
3965 .resume = rtl8152_resume,
3966 .reset_resume = rtl8152_resume,
3967 .supports_autosuspend = 1,
3968 .disable_hub_initiated_lpm = 1,
3971 module_usb_driver(rtl8152_driver);
3973 MODULE_AUTHOR(DRIVER_AUTHOR);
3974 MODULE_DESCRIPTION(DRIVER_DESC);
3975 MODULE_LICENSE("GPL");