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 (skb_vlan_tag_present(skb)) {
1427 opts2 = TX_VLAN_TAG | swab16(skb_vlan_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 /* The rx would be stopped, so skip submitting */
1793 if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
1794 !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))
1797 usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
1798 agg->head, agg_buf_sz,
1799 (usb_complete_t)read_bulk_callback, agg);
1801 ret = usb_submit_urb(agg->urb, mem_flags);
1802 if (ret == -ENODEV) {
1803 set_bit(RTL8152_UNPLUG, &tp->flags);
1804 netif_device_detach(tp->netdev);
1806 struct urb *urb = agg->urb;
1807 unsigned long flags;
1809 urb->actual_length = 0;
1810 spin_lock_irqsave(&tp->rx_lock, flags);
1811 list_add_tail(&agg->list, &tp->rx_done);
1812 spin_unlock_irqrestore(&tp->rx_lock, flags);
1813 tasklet_schedule(&tp->tl);
1819 static void rtl_drop_queued_tx(struct r8152 *tp)
1821 struct net_device_stats *stats = &tp->netdev->stats;
1822 struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
1823 struct sk_buff *skb;
1825 if (skb_queue_empty(tx_queue))
1828 __skb_queue_head_init(&skb_head);
1829 spin_lock_bh(&tx_queue->lock);
1830 skb_queue_splice_init(tx_queue, &skb_head);
1831 spin_unlock_bh(&tx_queue->lock);
1833 while ((skb = __skb_dequeue(&skb_head))) {
1835 stats->tx_dropped++;
1839 static void rtl8152_tx_timeout(struct net_device *netdev)
1841 struct r8152 *tp = netdev_priv(netdev);
1844 netif_warn(tp, tx_err, netdev, "Tx timeout\n");
1845 for (i = 0; i < RTL8152_MAX_TX; i++)
1846 usb_unlink_urb(tp->tx_info[i].urb);
1849 static void rtl8152_set_rx_mode(struct net_device *netdev)
1851 struct r8152 *tp = netdev_priv(netdev);
1853 if (tp->speed & LINK_STATUS) {
1854 set_bit(RTL8152_SET_RX_MODE, &tp->flags);
1855 schedule_delayed_work(&tp->schedule, 0);
1859 static void _rtl8152_set_rx_mode(struct net_device *netdev)
1861 struct r8152 *tp = netdev_priv(netdev);
1862 u32 mc_filter[2]; /* Multicast hash filter */
1866 clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
1867 netif_stop_queue(netdev);
1868 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
1869 ocp_data &= ~RCR_ACPT_ALL;
1870 ocp_data |= RCR_AB | RCR_APM;
1872 if (netdev->flags & IFF_PROMISC) {
1873 /* Unconditionally log net taps. */
1874 netif_notice(tp, link, netdev, "Promiscuous mode enabled\n");
1875 ocp_data |= RCR_AM | RCR_AAP;
1876 mc_filter[1] = 0xffffffff;
1877 mc_filter[0] = 0xffffffff;
1878 } else if ((netdev_mc_count(netdev) > multicast_filter_limit) ||
1879 (netdev->flags & IFF_ALLMULTI)) {
1880 /* Too many to filter perfectly -- accept all multicasts. */
1882 mc_filter[1] = 0xffffffff;
1883 mc_filter[0] = 0xffffffff;
1885 struct netdev_hw_addr *ha;
1889 netdev_for_each_mc_addr(ha, netdev) {
1890 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
1892 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
1897 tmp[0] = __cpu_to_le32(swab32(mc_filter[1]));
1898 tmp[1] = __cpu_to_le32(swab32(mc_filter[0]));
1900 pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
1901 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
1902 netif_wake_queue(netdev);
1905 static netdev_features_t
1906 rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
1907 netdev_features_t features)
1909 u32 mss = skb_shinfo(skb)->gso_size;
1910 int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
1911 int offset = skb_transport_offset(skb);
1913 if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
1914 features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK);
1915 else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
1916 features &= ~NETIF_F_GSO_MASK;
1921 static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
1922 struct net_device *netdev)
1924 struct r8152 *tp = netdev_priv(netdev);
1926 skb_tx_timestamp(skb);
1928 skb_queue_tail(&tp->tx_queue, skb);
1930 if (!list_empty(&tp->tx_free)) {
1931 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
1932 set_bit(SCHEDULE_TASKLET, &tp->flags);
1933 schedule_delayed_work(&tp->schedule, 0);
1935 usb_mark_last_busy(tp->udev);
1936 tasklet_schedule(&tp->tl);
1938 } else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) {
1939 netif_stop_queue(netdev);
1942 return NETDEV_TX_OK;
1945 static void r8152b_reset_packet_filter(struct r8152 *tp)
1949 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC);
1950 ocp_data &= ~FMC_FCR_MCU_EN;
1951 ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
1952 ocp_data |= FMC_FCR_MCU_EN;
1953 ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
1956 static void rtl8152_nic_reset(struct r8152 *tp)
1960 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST);
1962 for (i = 0; i < 1000; i++) {
1963 if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST))
1965 usleep_range(100, 400);
1969 static void set_tx_qlen(struct r8152 *tp)
1971 struct net_device *netdev = tp->netdev;
1973 tp->tx_qlen = agg_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + VLAN_HLEN +
1974 sizeof(struct tx_desc));
1977 static inline u8 rtl8152_get_speed(struct r8152 *tp)
1979 return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS);
1982 static void rtl_set_eee_plus(struct r8152 *tp)
1987 speed = rtl8152_get_speed(tp);
1988 if (speed & _10bps) {
1989 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
1990 ocp_data |= EEEP_CR_EEEP_TX;
1991 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
1993 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
1994 ocp_data &= ~EEEP_CR_EEEP_TX;
1995 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
1999 static void rxdy_gated_en(struct r8152 *tp, bool enable)
2003 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1);
2005 ocp_data |= RXDY_GATED_EN;
2007 ocp_data &= ~RXDY_GATED_EN;
2008 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data);
2011 static int rtl_start_rx(struct r8152 *tp)
2015 INIT_LIST_HEAD(&tp->rx_done);
2016 for (i = 0; i < RTL8152_MAX_RX; i++) {
2017 INIT_LIST_HEAD(&tp->rx_info[i].list);
2018 ret = r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL);
2023 if (ret && ++i < RTL8152_MAX_RX) {
2024 struct list_head rx_queue;
2025 unsigned long flags;
2027 INIT_LIST_HEAD(&rx_queue);
2030 struct rx_agg *agg = &tp->rx_info[i++];
2031 struct urb *urb = agg->urb;
2033 urb->actual_length = 0;
2034 list_add_tail(&agg->list, &rx_queue);
2035 } while (i < RTL8152_MAX_RX);
2037 spin_lock_irqsave(&tp->rx_lock, flags);
2038 list_splice_tail(&rx_queue, &tp->rx_done);
2039 spin_unlock_irqrestore(&tp->rx_lock, flags);
2045 static int rtl_stop_rx(struct r8152 *tp)
2049 for (i = 0; i < RTL8152_MAX_RX; i++)
2050 usb_kill_urb(tp->rx_info[i].urb);
2055 static int rtl_enable(struct r8152 *tp)
2059 r8152b_reset_packet_filter(tp);
2061 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
2062 ocp_data |= CR_RE | CR_TE;
2063 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
2065 rxdy_gated_en(tp, false);
2070 static int rtl8152_enable(struct r8152 *tp)
2072 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2076 rtl_set_eee_plus(tp);
2078 return rtl_enable(tp);
2081 static void r8153_set_rx_agg(struct r8152 *tp)
2085 speed = rtl8152_get_speed(tp);
2086 if (speed & _1000bps) {
2087 if (tp->udev->speed == USB_SPEED_SUPER) {
2088 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH,
2090 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
2093 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH,
2095 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
2099 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_SLOW);
2100 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG,
2105 static int rtl8153_enable(struct r8152 *tp)
2107 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2111 rtl_set_eee_plus(tp);
2112 r8153_set_rx_agg(tp);
2114 return rtl_enable(tp);
2117 static void rtl_disable(struct r8152 *tp)
2122 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2123 rtl_drop_queued_tx(tp);
2127 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2128 ocp_data &= ~RCR_ACPT_ALL;
2129 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2131 rtl_drop_queued_tx(tp);
2133 for (i = 0; i < RTL8152_MAX_TX; i++)
2134 usb_kill_urb(tp->tx_info[i].urb);
2136 rxdy_gated_en(tp, true);
2138 for (i = 0; i < 1000; i++) {
2139 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2140 if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
2142 usleep_range(1000, 2000);
2145 for (i = 0; i < 1000; i++) {
2146 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
2148 usleep_range(1000, 2000);
2153 rtl8152_nic_reset(tp);
2156 static void r8152_power_cut_en(struct r8152 *tp, bool enable)
2160 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL);
2162 ocp_data |= POWER_CUT;
2164 ocp_data &= ~POWER_CUT;
2165 ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data);
2167 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS);
2168 ocp_data &= ~RESUME_INDICATE;
2169 ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data);
2172 static void rtl_rx_vlan_en(struct r8152 *tp, bool enable)
2176 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
2178 ocp_data |= CPCR_RX_VLAN;
2180 ocp_data &= ~CPCR_RX_VLAN;
2181 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
2184 static int rtl8152_set_features(struct net_device *dev,
2185 netdev_features_t features)
2187 netdev_features_t changed = features ^ dev->features;
2188 struct r8152 *tp = netdev_priv(dev);
2191 ret = usb_autopm_get_interface(tp->intf);
2195 mutex_lock(&tp->control);
2197 if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
2198 if (features & NETIF_F_HW_VLAN_CTAG_RX)
2199 rtl_rx_vlan_en(tp, true);
2201 rtl_rx_vlan_en(tp, false);
2204 mutex_unlock(&tp->control);
2206 usb_autopm_put_interface(tp->intf);
2212 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
2214 static u32 __rtl_get_wol(struct r8152 *tp)
2219 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2220 if (!(ocp_data & LAN_WAKE_EN))
2223 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2224 if (ocp_data & LINK_ON_WAKE_EN)
2225 wolopts |= WAKE_PHY;
2227 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2228 if (ocp_data & UWF_EN)
2229 wolopts |= WAKE_UCAST;
2230 if (ocp_data & BWF_EN)
2231 wolopts |= WAKE_BCAST;
2232 if (ocp_data & MWF_EN)
2233 wolopts |= WAKE_MCAST;
2235 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
2236 if (ocp_data & MAGIC_EN)
2237 wolopts |= WAKE_MAGIC;
2242 static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
2246 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
2248 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2249 ocp_data &= ~LINK_ON_WAKE_EN;
2250 if (wolopts & WAKE_PHY)
2251 ocp_data |= LINK_ON_WAKE_EN;
2252 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
2254 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
2255 ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN);
2256 if (wolopts & WAKE_UCAST)
2258 if (wolopts & WAKE_BCAST)
2260 if (wolopts & WAKE_MCAST)
2262 if (wolopts & WAKE_ANY)
2263 ocp_data |= LAN_WAKE_EN;
2264 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
2266 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2268 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
2269 ocp_data &= ~MAGIC_EN;
2270 if (wolopts & WAKE_MAGIC)
2271 ocp_data |= MAGIC_EN;
2272 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);
2274 if (wolopts & WAKE_ANY)
2275 device_set_wakeup_enable(&tp->udev->dev, true);
2277 device_set_wakeup_enable(&tp->udev->dev, false);
2280 static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
2285 __rtl_set_wol(tp, WAKE_ANY);
2287 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
2289 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
2290 ocp_data |= LINK_OFF_WAKE_EN;
2291 ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
2293 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2295 __rtl_set_wol(tp, tp->saved_wolopts);
2299 static void rtl_phy_reset(struct r8152 *tp)
2304 clear_bit(PHY_RESET, &tp->flags);
2306 data = r8152_mdio_read(tp, MII_BMCR);
2308 /* don't reset again before the previous one complete */
2309 if (data & BMCR_RESET)
2313 r8152_mdio_write(tp, MII_BMCR, data);
2315 for (i = 0; i < 50; i++) {
2317 if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
2322 static void r8153_teredo_off(struct r8152 *tp)
2326 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
2327 ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK | OOB_TEREDO_EN);
2328 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
2330 ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE);
2331 ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0);
2332 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
2335 static void r8152b_disable_aldps(struct r8152 *tp)
2337 ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE);
2341 static inline void r8152b_enable_aldps(struct r8152 *tp)
2343 ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
2344 LINKENA | DIS_SDSAVE);
2347 static void rtl8152_disable(struct r8152 *tp)
2349 r8152b_disable_aldps(tp);
2351 r8152b_enable_aldps(tp);
2354 static void r8152b_hw_phy_cfg(struct r8152 *tp)
2358 data = r8152_mdio_read(tp, MII_BMCR);
2359 if (data & BMCR_PDOWN) {
2360 data &= ~BMCR_PDOWN;
2361 r8152_mdio_write(tp, MII_BMCR, data);
2364 set_bit(PHY_RESET, &tp->flags);
2367 static void r8152b_exit_oob(struct r8152 *tp)
2372 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2373 ocp_data &= ~RCR_ACPT_ALL;
2374 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2376 rxdy_gated_en(tp, true);
2377 r8153_teredo_off(tp);
2378 r8152b_hw_phy_cfg(tp);
2380 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
2381 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00);
2383 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2384 ocp_data &= ~NOW_IS_OOB;
2385 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2387 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2388 ocp_data &= ~MCU_BORW_EN;
2389 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2391 for (i = 0; i < 1000; i++) {
2392 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2393 if (ocp_data & LINK_LIST_READY)
2395 usleep_range(1000, 2000);
2398 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2399 ocp_data |= RE_INIT_LL;
2400 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2402 for (i = 0; i < 1000; i++) {
2403 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2404 if (ocp_data & LINK_LIST_READY)
2406 usleep_range(1000, 2000);
2409 rtl8152_nic_reset(tp);
2411 /* rx share fifo credit full threshold */
2412 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
2414 if (tp->udev->speed == USB_SPEED_FULL ||
2415 tp->udev->speed == USB_SPEED_LOW) {
2416 /* rx share fifo credit near full threshold */
2417 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
2419 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
2422 /* rx share fifo credit near full threshold */
2423 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
2425 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
2429 /* TX share fifo free credit full threshold */
2430 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL);
2432 ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD);
2433 ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH);
2434 ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA,
2435 TEST_MODE_DISABLE | TX_SIZE_ADJUST1);
2437 rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
2439 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2441 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
2442 ocp_data |= TCR0_AUTO_FIFO;
2443 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
2446 static void r8152b_enter_oob(struct r8152 *tp)
2451 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2452 ocp_data &= ~NOW_IS_OOB;
2453 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2455 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
2456 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
2457 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
2461 for (i = 0; i < 1000; i++) {
2462 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2463 if (ocp_data & LINK_LIST_READY)
2465 usleep_range(1000, 2000);
2468 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2469 ocp_data |= RE_INIT_LL;
2470 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2472 for (i = 0; i < 1000; i++) {
2473 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2474 if (ocp_data & LINK_LIST_READY)
2476 usleep_range(1000, 2000);
2479 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
2481 rtl_rx_vlan_en(tp, true);
2483 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
2484 ocp_data |= ALDPS_PROXY_MODE;
2485 ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
2487 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2488 ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
2489 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2491 rxdy_gated_en(tp, false);
2493 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2494 ocp_data |= RCR_APM | RCR_AM | RCR_AB;
2495 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2498 static void r8153_hw_phy_cfg(struct r8152 *tp)
2503 ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
2504 data = r8152_mdio_read(tp, MII_BMCR);
2505 if (data & BMCR_PDOWN) {
2506 data &= ~BMCR_PDOWN;
2507 r8152_mdio_write(tp, MII_BMCR, data);
2510 if (tp->version == RTL_VER_03) {
2511 data = ocp_reg_read(tp, OCP_EEE_CFG);
2512 data &= ~CTAP_SHORT_EN;
2513 ocp_reg_write(tp, OCP_EEE_CFG, data);
2516 data = ocp_reg_read(tp, OCP_POWER_CFG);
2517 data |= EEE_CLKDIV_EN;
2518 ocp_reg_write(tp, OCP_POWER_CFG, data);
2520 data = ocp_reg_read(tp, OCP_DOWN_SPEED);
2521 data |= EN_10M_BGOFF;
2522 ocp_reg_write(tp, OCP_DOWN_SPEED, data);
2523 data = ocp_reg_read(tp, OCP_POWER_CFG);
2524 data |= EN_10M_PLLOFF;
2525 ocp_reg_write(tp, OCP_POWER_CFG, data);
2526 data = sram_read(tp, SRAM_IMPEDANCE);
2527 data &= ~RX_DRIVING_MASK;
2528 sram_write(tp, SRAM_IMPEDANCE, data);
2530 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
2531 ocp_data |= PFM_PWM_SWITCH;
2532 ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
2534 data = sram_read(tp, SRAM_LPF_CFG);
2535 data |= LPF_AUTO_TUNE;
2536 sram_write(tp, SRAM_LPF_CFG, data);
2538 data = sram_read(tp, SRAM_10M_AMP1);
2539 data |= GDAC_IB_UPALL;
2540 sram_write(tp, SRAM_10M_AMP1, data);
2541 data = sram_read(tp, SRAM_10M_AMP2);
2543 sram_write(tp, SRAM_10M_AMP2, data);
2545 set_bit(PHY_RESET, &tp->flags);
2548 static void r8153_u1u2en(struct r8152 *tp, bool enable)
2553 memset(u1u2, 0xff, sizeof(u1u2));
2555 memset(u1u2, 0x00, sizeof(u1u2));
2557 usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
2560 static void r8153_u2p3en(struct r8152 *tp, bool enable)
2564 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
2566 ocp_data |= U2P3_ENABLE;
2568 ocp_data &= ~U2P3_ENABLE;
2569 ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
2572 static void r8153_power_cut_en(struct r8152 *tp, bool enable)
2576 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
2578 ocp_data |= PWR_EN | PHASE2_EN;
2580 ocp_data &= ~(PWR_EN | PHASE2_EN);
2581 ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
2583 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
2584 ocp_data &= ~PCUT_STATUS;
2585 ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
2588 static void r8153_first_init(struct r8152 *tp)
2593 rxdy_gated_en(tp, true);
2594 r8153_teredo_off(tp);
2596 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2597 ocp_data &= ~RCR_ACPT_ALL;
2598 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2600 r8153_hw_phy_cfg(tp);
2602 rtl8152_nic_reset(tp);
2604 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2605 ocp_data &= ~NOW_IS_OOB;
2606 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2608 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2609 ocp_data &= ~MCU_BORW_EN;
2610 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2612 for (i = 0; i < 1000; i++) {
2613 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2614 if (ocp_data & LINK_LIST_READY)
2616 usleep_range(1000, 2000);
2619 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2620 ocp_data |= RE_INIT_LL;
2621 ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
2623 for (i = 0; i < 1000; i++) {
2624 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2625 if (ocp_data & LINK_LIST_READY)
2627 usleep_range(1000, 2000);
2630 rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
2632 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
2633 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
2635 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
2636 ocp_data |= TCR0_AUTO_FIFO;
2637 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
2639 rtl8152_nic_reset(tp);
2641 /* rx share fifo credit full threshold */
2642 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
2643 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
2644 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
2645 /* TX share fifo free credit full threshold */
2646 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
2648 /* rx aggregation */
2649 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
2650 ocp_data &= ~RX_AGG_DISABLE;
2651 ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
2654 static void r8153_enter_oob(struct r8152 *tp)
2659 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2660 ocp_data &= ~NOW_IS_OOB;
2661 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2665 for (i = 0; i < 1000; i++) {
2666 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2667 if (ocp_data & LINK_LIST_READY)
2669 usleep_range(1000, 2000);
2672 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
2673 ocp_data |= RE_INIT_LL;
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_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
2685 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
2686 ocp_data &= ~TEREDO_WAKE_MASK;
2687 ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
2689 rtl_rx_vlan_en(tp, true);
2691 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
2692 ocp_data |= ALDPS_PROXY_MODE;
2693 ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
2695 ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
2696 ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
2697 ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
2699 rxdy_gated_en(tp, false);
2701 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2702 ocp_data |= RCR_APM | RCR_AM | RCR_AB;
2703 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2706 static void r8153_disable_aldps(struct r8152 *tp)
2710 data = ocp_reg_read(tp, OCP_POWER_CFG);
2712 ocp_reg_write(tp, OCP_POWER_CFG, data);
2716 static void r8153_enable_aldps(struct r8152 *tp)
2720 data = ocp_reg_read(tp, OCP_POWER_CFG);
2722 ocp_reg_write(tp, OCP_POWER_CFG, data);
2725 static void rtl8153_disable(struct r8152 *tp)
2727 r8153_disable_aldps(tp);
2729 r8153_enable_aldps(tp);
2732 static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
2734 u16 bmcr, anar, gbcr;
2737 cancel_delayed_work_sync(&tp->schedule);
2738 anar = r8152_mdio_read(tp, MII_ADVERTISE);
2739 anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
2740 ADVERTISE_100HALF | ADVERTISE_100FULL);
2741 if (tp->mii.supports_gmii) {
2742 gbcr = r8152_mdio_read(tp, MII_CTRL1000);
2743 gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
2748 if (autoneg == AUTONEG_DISABLE) {
2749 if (speed == SPEED_10) {
2751 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2752 } else if (speed == SPEED_100) {
2753 bmcr = BMCR_SPEED100;
2754 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2755 } else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
2756 bmcr = BMCR_SPEED1000;
2757 gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
2763 if (duplex == DUPLEX_FULL)
2764 bmcr |= BMCR_FULLDPLX;
2766 if (speed == SPEED_10) {
2767 if (duplex == DUPLEX_FULL)
2768 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2770 anar |= ADVERTISE_10HALF;
2771 } else if (speed == SPEED_100) {
2772 if (duplex == DUPLEX_FULL) {
2773 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2774 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2776 anar |= ADVERTISE_10HALF;
2777 anar |= ADVERTISE_100HALF;
2779 } else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
2780 if (duplex == DUPLEX_FULL) {
2781 anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
2782 anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
2783 gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
2785 anar |= ADVERTISE_10HALF;
2786 anar |= ADVERTISE_100HALF;
2787 gbcr |= ADVERTISE_1000HALF;
2794 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
2797 if (test_bit(PHY_RESET, &tp->flags))
2800 if (tp->mii.supports_gmii)
2801 r8152_mdio_write(tp, MII_CTRL1000, gbcr);
2803 r8152_mdio_write(tp, MII_ADVERTISE, anar);
2804 r8152_mdio_write(tp, MII_BMCR, bmcr);
2806 if (test_bit(PHY_RESET, &tp->flags)) {
2809 clear_bit(PHY_RESET, &tp->flags);
2810 for (i = 0; i < 50; i++) {
2812 if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
2822 static void rtl8152_up(struct r8152 *tp)
2824 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2827 r8152b_disable_aldps(tp);
2828 r8152b_exit_oob(tp);
2829 r8152b_enable_aldps(tp);
2832 static void rtl8152_down(struct r8152 *tp)
2834 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2835 rtl_drop_queued_tx(tp);
2839 r8152_power_cut_en(tp, false);
2840 r8152b_disable_aldps(tp);
2841 r8152b_enter_oob(tp);
2842 r8152b_enable_aldps(tp);
2845 static void rtl8153_up(struct r8152 *tp)
2847 if (test_bit(RTL8152_UNPLUG, &tp->flags))
2850 r8153_disable_aldps(tp);
2851 r8153_first_init(tp);
2852 r8153_enable_aldps(tp);
2855 static void rtl8153_down(struct r8152 *tp)
2857 if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
2858 rtl_drop_queued_tx(tp);
2862 r8153_u1u2en(tp, false);
2863 r8153_power_cut_en(tp, false);
2864 r8153_disable_aldps(tp);
2865 r8153_enter_oob(tp);
2866 r8153_enable_aldps(tp);
2869 static void set_carrier(struct r8152 *tp)
2871 struct net_device *netdev = tp->netdev;
2874 clear_bit(RTL8152_LINK_CHG, &tp->flags);
2875 speed = rtl8152_get_speed(tp);
2877 if (speed & LINK_STATUS) {
2878 if (!(tp->speed & LINK_STATUS)) {
2879 tp->rtl_ops.enable(tp);
2880 set_bit(RTL8152_SET_RX_MODE, &tp->flags);
2881 netif_carrier_on(netdev);
2885 if (tp->speed & LINK_STATUS) {
2886 netif_carrier_off(netdev);
2887 tasklet_disable(&tp->tl);
2888 tp->rtl_ops.disable(tp);
2889 tasklet_enable(&tp->tl);
2895 static void rtl_work_func_t(struct work_struct *work)
2897 struct r8152 *tp = container_of(work, struct r8152, schedule.work);
2899 /* If the device is unplugged or !netif_running(), the workqueue
2900 * doesn't need to wake the device, and could return directly.
2902 if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev))
2905 if (usb_autopm_get_interface(tp->intf) < 0)
2908 if (!test_bit(WORK_ENABLE, &tp->flags))
2911 if (!mutex_trylock(&tp->control)) {
2912 schedule_delayed_work(&tp->schedule, 0);
2916 if (test_bit(RTL8152_LINK_CHG, &tp->flags))
2919 if (test_bit(RTL8152_SET_RX_MODE, &tp->flags))
2920 _rtl8152_set_rx_mode(tp->netdev);
2922 if (test_bit(SCHEDULE_TASKLET, &tp->flags) &&
2923 (tp->speed & LINK_STATUS)) {
2924 clear_bit(SCHEDULE_TASKLET, &tp->flags);
2925 tasklet_schedule(&tp->tl);
2928 if (test_bit(PHY_RESET, &tp->flags))
2931 mutex_unlock(&tp->control);
2934 usb_autopm_put_interface(tp->intf);
2937 static int rtl8152_open(struct net_device *netdev)
2939 struct r8152 *tp = netdev_priv(netdev);
2942 res = alloc_all_mem(tp);
2946 /* set speed to 0 to avoid autoresume try to submit rx */
2949 res = usb_autopm_get_interface(tp->intf);
2955 mutex_lock(&tp->control);
2957 /* The WORK_ENABLE may be set when autoresume occurs */
2958 if (test_bit(WORK_ENABLE, &tp->flags)) {
2959 clear_bit(WORK_ENABLE, &tp->flags);
2960 usb_kill_urb(tp->intr_urb);
2961 cancel_delayed_work_sync(&tp->schedule);
2963 /* disable the tx/rx, if the workqueue has enabled them. */
2964 if (tp->speed & LINK_STATUS)
2965 tp->rtl_ops.disable(tp);
2970 rtl8152_set_speed(tp, AUTONEG_ENABLE,
2971 tp->mii.supports_gmii ? SPEED_1000 : SPEED_100,
2974 netif_carrier_off(netdev);
2975 netif_start_queue(netdev);
2976 set_bit(WORK_ENABLE, &tp->flags);
2978 res = usb_submit_urb(tp->intr_urb, GFP_KERNEL);
2981 netif_device_detach(tp->netdev);
2982 netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n",
2986 tasklet_enable(&tp->tl);
2989 mutex_unlock(&tp->control);
2991 usb_autopm_put_interface(tp->intf);
2997 static int rtl8152_close(struct net_device *netdev)
2999 struct r8152 *tp = netdev_priv(netdev);
3002 tasklet_disable(&tp->tl);
3003 clear_bit(WORK_ENABLE, &tp->flags);
3004 usb_kill_urb(tp->intr_urb);
3005 cancel_delayed_work_sync(&tp->schedule);
3006 netif_stop_queue(netdev);
3008 res = usb_autopm_get_interface(tp->intf);
3010 rtl_drop_queued_tx(tp);
3012 mutex_lock(&tp->control);
3014 /* The autosuspend may have been enabled and wouldn't
3015 * be disable when autoresume occurs, because the
3016 * netif_running() would be false.
3018 rtl_runtime_suspend_enable(tp, false);
3020 tp->rtl_ops.down(tp);
3022 mutex_unlock(&tp->control);
3024 usb_autopm_put_interface(tp->intf);
3032 static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg)
3034 ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev);
3035 ocp_reg_write(tp, OCP_EEE_DATA, reg);
3036 ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev);
3039 static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg)
3043 r8152_mmd_indirect(tp, dev, reg);
3044 data = ocp_reg_read(tp, OCP_EEE_DATA);
3045 ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
3050 static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data)
3052 r8152_mmd_indirect(tp, dev, reg);
3053 ocp_reg_write(tp, OCP_EEE_DATA, data);
3054 ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
3057 static void r8152_eee_en(struct r8152 *tp, bool enable)
3059 u16 config1, config2, config3;
3062 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3063 config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask;
3064 config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2);
3065 config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask;
3068 ocp_data |= EEE_RX_EN | EEE_TX_EN;
3069 config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN;
3070 config1 |= sd_rise_time(1);
3071 config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN;
3072 config3 |= fast_snr(42);
3074 ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
3075 config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN |
3077 config1 |= sd_rise_time(7);
3078 config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN);
3079 config3 |= fast_snr(511);
3082 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
3083 ocp_reg_write(tp, OCP_EEE_CONFIG1, config1);
3084 ocp_reg_write(tp, OCP_EEE_CONFIG2, config2);
3085 ocp_reg_write(tp, OCP_EEE_CONFIG3, config3);
3088 static void r8152b_enable_eee(struct r8152 *tp)
3090 r8152_eee_en(tp, true);
3091 r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, MDIO_EEE_100TX);
3094 static void r8153_eee_en(struct r8152 *tp, bool enable)
3099 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3100 config = ocp_reg_read(tp, OCP_EEE_CFG);
3103 ocp_data |= EEE_RX_EN | EEE_TX_EN;
3106 ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
3107 config &= ~EEE10_EN;
3110 ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
3111 ocp_reg_write(tp, OCP_EEE_CFG, config);
3114 static void r8153_enable_eee(struct r8152 *tp)
3116 r8153_eee_en(tp, true);
3117 ocp_reg_write(tp, OCP_EEE_ADV, MDIO_EEE_1000T | MDIO_EEE_100TX);
3120 static void r8152b_enable_fc(struct r8152 *tp)
3124 anar = r8152_mdio_read(tp, MII_ADVERTISE);
3125 anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
3126 r8152_mdio_write(tp, MII_ADVERTISE, anar);
3129 static void rtl_tally_reset(struct r8152 *tp)
3133 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY);
3134 ocp_data |= TALLY_RESET;
3135 ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
3138 static void r8152b_init(struct r8152 *tp)
3142 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3145 r8152b_disable_aldps(tp);
3147 if (tp->version == RTL_VER_01) {
3148 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
3149 ocp_data &= ~LED_MODE_MASK;
3150 ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
3153 r8152_power_cut_en(tp, false);
3155 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
3156 ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH;
3157 ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
3158 ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL);
3159 ocp_data &= ~MCU_CLK_RATIO_MASK;
3160 ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN;
3161 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data);
3162 ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK |
3163 SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK;
3164 ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
3166 r8152b_enable_eee(tp);
3167 r8152b_enable_aldps(tp);
3168 r8152b_enable_fc(tp);
3169 rtl_tally_reset(tp);
3171 /* enable rx aggregation */
3172 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
3173 ocp_data &= ~RX_AGG_DISABLE;
3174 ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
3177 static void r8153_init(struct r8152 *tp)
3182 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3185 r8153_disable_aldps(tp);
3186 r8153_u1u2en(tp, false);
3188 for (i = 0; i < 500; i++) {
3189 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
3195 for (i = 0; i < 500; i++) {
3196 ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
3197 if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN)
3202 r8153_u2p3en(tp, false);
3204 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
3205 ocp_data &= ~TIMER11_EN;
3206 ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
3208 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
3209 ocp_data &= ~LED_MODE_MASK;
3210 ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
3212 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL);
3213 ocp_data &= ~LPM_TIMER_MASK;
3214 if (tp->udev->speed == USB_SPEED_SUPER)
3215 ocp_data |= LPM_TIMER_500US;
3217 ocp_data |= LPM_TIMER_500MS;
3218 ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
3220 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
3221 ocp_data &= ~SEN_VAL_MASK;
3222 ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
3223 ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
3225 r8153_power_cut_en(tp, false);
3226 r8153_u1u2en(tp, true);
3228 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ALDPS_SPDWN_RATIO);
3229 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, EEE_SPDWN_RATIO);
3230 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3,
3231 PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN |
3232 U1U2_SPDWN_EN | L1_SPDWN_EN);
3233 ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4,
3234 PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN |
3235 TP100_SPDWN_EN | TP500_SPDWN_EN | TP1000_SPDWN_EN |
3238 r8153_enable_eee(tp);
3239 r8153_enable_aldps(tp);
3240 r8152b_enable_fc(tp);
3241 rtl_tally_reset(tp);
3244 static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
3246 struct r8152 *tp = usb_get_intfdata(intf);
3247 struct net_device *netdev = tp->netdev;
3250 mutex_lock(&tp->control);
3252 if (PMSG_IS_AUTO(message)) {
3253 if (netif_running(netdev) && work_busy(&tp->schedule.work)) {
3258 set_bit(SELECTIVE_SUSPEND, &tp->flags);
3260 netif_device_detach(netdev);
3263 if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
3264 clear_bit(WORK_ENABLE, &tp->flags);
3265 usb_kill_urb(tp->intr_urb);
3266 tasklet_disable(&tp->tl);
3267 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3269 rtl_runtime_suspend_enable(tp, true);
3271 cancel_delayed_work_sync(&tp->schedule);
3272 tp->rtl_ops.down(tp);
3274 tasklet_enable(&tp->tl);
3277 mutex_unlock(&tp->control);
3282 static int rtl8152_resume(struct usb_interface *intf)
3284 struct r8152 *tp = usb_get_intfdata(intf);
3286 mutex_lock(&tp->control);
3288 if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3289 tp->rtl_ops.init(tp);
3290 netif_device_attach(tp->netdev);
3293 if (netif_running(tp->netdev)) {
3294 if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3295 rtl_runtime_suspend_enable(tp, false);
3296 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
3297 set_bit(WORK_ENABLE, &tp->flags);
3298 if (tp->speed & LINK_STATUS)
3302 rtl8152_set_speed(tp, AUTONEG_ENABLE,
3303 tp->mii.supports_gmii ?
3304 SPEED_1000 : SPEED_100,
3307 netif_carrier_off(tp->netdev);
3308 set_bit(WORK_ENABLE, &tp->flags);
3310 usb_submit_urb(tp->intr_urb, GFP_KERNEL);
3311 } else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
3312 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
3315 mutex_unlock(&tp->control);
3320 static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
3322 struct r8152 *tp = netdev_priv(dev);
3324 if (usb_autopm_get_interface(tp->intf) < 0)
3327 mutex_lock(&tp->control);
3329 wol->supported = WAKE_ANY;
3330 wol->wolopts = __rtl_get_wol(tp);
3332 mutex_unlock(&tp->control);
3334 usb_autopm_put_interface(tp->intf);
3337 static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
3339 struct r8152 *tp = netdev_priv(dev);
3342 ret = usb_autopm_get_interface(tp->intf);
3346 mutex_lock(&tp->control);
3348 __rtl_set_wol(tp, wol->wolopts);
3349 tp->saved_wolopts = wol->wolopts & WAKE_ANY;
3351 mutex_unlock(&tp->control);
3353 usb_autopm_put_interface(tp->intf);
3359 static u32 rtl8152_get_msglevel(struct net_device *dev)
3361 struct r8152 *tp = netdev_priv(dev);
3363 return tp->msg_enable;
3366 static void rtl8152_set_msglevel(struct net_device *dev, u32 value)
3368 struct r8152 *tp = netdev_priv(dev);
3370 tp->msg_enable = value;
3373 static void rtl8152_get_drvinfo(struct net_device *netdev,
3374 struct ethtool_drvinfo *info)
3376 struct r8152 *tp = netdev_priv(netdev);
3378 strlcpy(info->driver, MODULENAME, sizeof(info->driver));
3379 strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
3380 usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info));
3384 int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
3386 struct r8152 *tp = netdev_priv(netdev);
3389 if (!tp->mii.mdio_read)
3392 ret = usb_autopm_get_interface(tp->intf);
3396 mutex_lock(&tp->control);
3398 ret = mii_ethtool_gset(&tp->mii, cmd);
3400 mutex_unlock(&tp->control);
3402 usb_autopm_put_interface(tp->intf);
3408 static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
3410 struct r8152 *tp = netdev_priv(dev);
3413 ret = usb_autopm_get_interface(tp->intf);
3417 mutex_lock(&tp->control);
3419 ret = rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex);
3421 mutex_unlock(&tp->control);
3423 usb_autopm_put_interface(tp->intf);
3429 static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = {
3436 "tx_single_collisions",
3437 "tx_multi_collisions",
3445 static int rtl8152_get_sset_count(struct net_device *dev, int sset)
3449 return ARRAY_SIZE(rtl8152_gstrings);
3455 static void rtl8152_get_ethtool_stats(struct net_device *dev,
3456 struct ethtool_stats *stats, u64 *data)
3458 struct r8152 *tp = netdev_priv(dev);
3459 struct tally_counter tally;
3461 if (usb_autopm_get_interface(tp->intf) < 0)
3464 generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
3466 usb_autopm_put_interface(tp->intf);
3468 data[0] = le64_to_cpu(tally.tx_packets);
3469 data[1] = le64_to_cpu(tally.rx_packets);
3470 data[2] = le64_to_cpu(tally.tx_errors);
3471 data[3] = le32_to_cpu(tally.rx_errors);
3472 data[4] = le16_to_cpu(tally.rx_missed);
3473 data[5] = le16_to_cpu(tally.align_errors);
3474 data[6] = le32_to_cpu(tally.tx_one_collision);
3475 data[7] = le32_to_cpu(tally.tx_multi_collision);
3476 data[8] = le64_to_cpu(tally.rx_unicast);
3477 data[9] = le64_to_cpu(tally.rx_broadcast);
3478 data[10] = le32_to_cpu(tally.rx_multicast);
3479 data[11] = le16_to_cpu(tally.tx_aborted);
3480 data[12] = le16_to_cpu(tally.tx_underrun);
3483 static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
3485 switch (stringset) {
3487 memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings));
3492 static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
3494 u32 ocp_data, lp, adv, supported = 0;
3497 val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
3498 supported = mmd_eee_cap_to_ethtool_sup_t(val);
3500 val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
3501 adv = mmd_eee_adv_to_ethtool_adv_t(val);
3503 val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
3504 lp = mmd_eee_adv_to_ethtool_adv_t(val);
3506 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3507 ocp_data &= EEE_RX_EN | EEE_TX_EN;
3509 eee->eee_enabled = !!ocp_data;
3510 eee->eee_active = !!(supported & adv & lp);
3511 eee->supported = supported;
3512 eee->advertised = adv;
3513 eee->lp_advertised = lp;
3518 static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
3520 u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
3522 r8152_eee_en(tp, eee->eee_enabled);
3524 if (!eee->eee_enabled)
3527 r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
3532 static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
3534 u32 ocp_data, lp, adv, supported = 0;
3537 val = ocp_reg_read(tp, OCP_EEE_ABLE);
3538 supported = mmd_eee_cap_to_ethtool_sup_t(val);
3540 val = ocp_reg_read(tp, OCP_EEE_ADV);
3541 adv = mmd_eee_adv_to_ethtool_adv_t(val);
3543 val = ocp_reg_read(tp, OCP_EEE_LPABLE);
3544 lp = mmd_eee_adv_to_ethtool_adv_t(val);
3546 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
3547 ocp_data &= EEE_RX_EN | EEE_TX_EN;
3549 eee->eee_enabled = !!ocp_data;
3550 eee->eee_active = !!(supported & adv & lp);
3551 eee->supported = supported;
3552 eee->advertised = adv;
3553 eee->lp_advertised = lp;
3558 static int r8153_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
3560 u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
3562 r8153_eee_en(tp, eee->eee_enabled);
3564 if (!eee->eee_enabled)
3567 ocp_reg_write(tp, OCP_EEE_ADV, val);
3573 rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata)
3575 struct r8152 *tp = netdev_priv(net);
3578 ret = usb_autopm_get_interface(tp->intf);
3582 mutex_lock(&tp->control);
3584 ret = tp->rtl_ops.eee_get(tp, edata);
3586 mutex_unlock(&tp->control);
3588 usb_autopm_put_interface(tp->intf);
3595 rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata)
3597 struct r8152 *tp = netdev_priv(net);
3600 ret = usb_autopm_get_interface(tp->intf);
3604 mutex_lock(&tp->control);
3606 ret = tp->rtl_ops.eee_set(tp, edata);
3608 ret = mii_nway_restart(&tp->mii);
3610 mutex_unlock(&tp->control);
3612 usb_autopm_put_interface(tp->intf);
3618 static int rtl8152_nway_reset(struct net_device *dev)
3620 struct r8152 *tp = netdev_priv(dev);
3623 ret = usb_autopm_get_interface(tp->intf);
3627 mutex_lock(&tp->control);
3629 ret = mii_nway_restart(&tp->mii);
3631 mutex_unlock(&tp->control);
3633 usb_autopm_put_interface(tp->intf);
3639 static struct ethtool_ops ops = {
3640 .get_drvinfo = rtl8152_get_drvinfo,
3641 .get_settings = rtl8152_get_settings,
3642 .set_settings = rtl8152_set_settings,
3643 .get_link = ethtool_op_get_link,
3644 .nway_reset = rtl8152_nway_reset,
3645 .get_msglevel = rtl8152_get_msglevel,
3646 .set_msglevel = rtl8152_set_msglevel,
3647 .get_wol = rtl8152_get_wol,
3648 .set_wol = rtl8152_set_wol,
3649 .get_strings = rtl8152_get_strings,
3650 .get_sset_count = rtl8152_get_sset_count,
3651 .get_ethtool_stats = rtl8152_get_ethtool_stats,
3652 .get_eee = rtl_ethtool_get_eee,
3653 .set_eee = rtl_ethtool_set_eee,
3656 static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
3658 struct r8152 *tp = netdev_priv(netdev);
3659 struct mii_ioctl_data *data = if_mii(rq);
3662 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3665 res = usb_autopm_get_interface(tp->intf);
3671 data->phy_id = R8152_PHY_ID; /* Internal PHY */
3675 mutex_lock(&tp->control);
3676 data->val_out = r8152_mdio_read(tp, data->reg_num);
3677 mutex_unlock(&tp->control);
3681 if (!capable(CAP_NET_ADMIN)) {
3685 mutex_lock(&tp->control);
3686 r8152_mdio_write(tp, data->reg_num, data->val_in);
3687 mutex_unlock(&tp->control);
3694 usb_autopm_put_interface(tp->intf);
3700 static int rtl8152_change_mtu(struct net_device *dev, int new_mtu)
3702 struct r8152 *tp = netdev_priv(dev);
3704 switch (tp->version) {
3707 return eth_change_mtu(dev, new_mtu);
3712 if (new_mtu < 68 || new_mtu > RTL8153_MAX_MTU)
3720 static const struct net_device_ops rtl8152_netdev_ops = {
3721 .ndo_open = rtl8152_open,
3722 .ndo_stop = rtl8152_close,
3723 .ndo_do_ioctl = rtl8152_ioctl,
3724 .ndo_start_xmit = rtl8152_start_xmit,
3725 .ndo_tx_timeout = rtl8152_tx_timeout,
3726 .ndo_set_features = rtl8152_set_features,
3727 .ndo_set_rx_mode = rtl8152_set_rx_mode,
3728 .ndo_set_mac_address = rtl8152_set_mac_address,
3729 .ndo_change_mtu = rtl8152_change_mtu,
3730 .ndo_validate_addr = eth_validate_addr,
3731 .ndo_features_check = rtl8152_features_check,
3734 static void r8152b_get_version(struct r8152 *tp)
3739 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1);
3740 version = (u16)(ocp_data & VERSION_MASK);
3744 tp->version = RTL_VER_01;
3747 tp->version = RTL_VER_02;
3750 tp->version = RTL_VER_03;
3751 tp->mii.supports_gmii = 1;
3754 tp->version = RTL_VER_04;
3755 tp->mii.supports_gmii = 1;
3758 tp->version = RTL_VER_05;
3759 tp->mii.supports_gmii = 1;
3762 netif_info(tp, probe, tp->netdev,
3763 "Unknown version 0x%04x\n", version);
3768 static void rtl8152_unload(struct r8152 *tp)
3770 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3773 if (tp->version != RTL_VER_01)
3774 r8152_power_cut_en(tp, true);
3777 static void rtl8153_unload(struct r8152 *tp)
3779 if (test_bit(RTL8152_UNPLUG, &tp->flags))
3782 r8153_power_cut_en(tp, false);
3785 static int rtl_ops_init(struct r8152 *tp)
3787 struct rtl_ops *ops = &tp->rtl_ops;
3790 switch (tp->version) {
3793 ops->init = r8152b_init;
3794 ops->enable = rtl8152_enable;
3795 ops->disable = rtl8152_disable;
3796 ops->up = rtl8152_up;
3797 ops->down = rtl8152_down;
3798 ops->unload = rtl8152_unload;
3799 ops->eee_get = r8152_get_eee;
3800 ops->eee_set = r8152_set_eee;
3806 ops->init = r8153_init;
3807 ops->enable = rtl8153_enable;
3808 ops->disable = rtl8153_disable;
3809 ops->up = rtl8153_up;
3810 ops->down = rtl8153_down;
3811 ops->unload = rtl8153_unload;
3812 ops->eee_get = r8153_get_eee;
3813 ops->eee_set = r8153_set_eee;
3818 netif_err(tp, probe, tp->netdev, "Unknown Device\n");
3825 static int rtl8152_probe(struct usb_interface *intf,
3826 const struct usb_device_id *id)
3828 struct usb_device *udev = interface_to_usbdev(intf);
3830 struct net_device *netdev;
3833 if (udev->actconfig->desc.bConfigurationValue != 1) {
3834 usb_driver_set_configuration(udev, 1);
3838 usb_reset_device(udev);
3839 netdev = alloc_etherdev(sizeof(struct r8152));
3841 dev_err(&intf->dev, "Out of memory\n");
3845 SET_NETDEV_DEV(netdev, &intf->dev);
3846 tp = netdev_priv(netdev);
3847 tp->msg_enable = 0x7FFF;
3850 tp->netdev = netdev;
3853 r8152b_get_version(tp);
3854 ret = rtl_ops_init(tp);
3858 tasklet_init(&tp->tl, bottom_half, (unsigned long)tp);
3859 mutex_init(&tp->control);
3860 INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
3862 netdev->netdev_ops = &rtl8152_netdev_ops;
3863 netdev->watchdog_timeo = RTL8152_TX_TIMEOUT;
3865 netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
3866 NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM |
3867 NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX |
3868 NETIF_F_HW_VLAN_CTAG_TX;
3869 netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
3870 NETIF_F_TSO | NETIF_F_FRAGLIST |
3871 NETIF_F_IPV6_CSUM | NETIF_F_TSO6 |
3872 NETIF_F_HW_VLAN_CTAG_RX |
3873 NETIF_F_HW_VLAN_CTAG_TX;
3874 netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3875 NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
3876 NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
3878 netdev->ethtool_ops = &ops;
3879 netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE);
3881 tp->mii.dev = netdev;
3882 tp->mii.mdio_read = read_mii_word;
3883 tp->mii.mdio_write = write_mii_word;
3884 tp->mii.phy_id_mask = 0x3f;
3885 tp->mii.reg_num_mask = 0x1f;
3886 tp->mii.phy_id = R8152_PHY_ID;
3888 intf->needs_remote_wakeup = 1;
3890 tp->rtl_ops.init(tp);
3891 set_ethernet_addr(tp);
3893 usb_set_intfdata(intf, tp);
3895 ret = register_netdev(netdev);
3897 netif_err(tp, probe, netdev, "couldn't register the device\n");
3901 tp->saved_wolopts = __rtl_get_wol(tp);
3902 if (tp->saved_wolopts)
3903 device_set_wakeup_enable(&udev->dev, true);
3905 device_set_wakeup_enable(&udev->dev, false);
3907 tasklet_disable(&tp->tl);
3909 netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
3914 usb_set_intfdata(intf, NULL);
3915 tasklet_kill(&tp->tl);
3917 free_netdev(netdev);
3921 static void rtl8152_disconnect(struct usb_interface *intf)
3923 struct r8152 *tp = usb_get_intfdata(intf);
3925 usb_set_intfdata(intf, NULL);
3927 struct usb_device *udev = tp->udev;
3929 if (udev->state == USB_STATE_NOTATTACHED)
3930 set_bit(RTL8152_UNPLUG, &tp->flags);
3932 tasklet_kill(&tp->tl);
3933 unregister_netdev(tp->netdev);
3934 tp->rtl_ops.unload(tp);
3935 free_netdev(tp->netdev);
3939 #define REALTEK_USB_DEVICE(vend, prod) \
3940 .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
3941 USB_DEVICE_ID_MATCH_INT_CLASS, \
3942 .idVendor = (vend), \
3943 .idProduct = (prod), \
3944 .bInterfaceClass = USB_CLASS_VENDOR_SPEC \
3947 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \
3948 USB_DEVICE_ID_MATCH_DEVICE, \
3949 .idVendor = (vend), \
3950 .idProduct = (prod), \
3951 .bInterfaceClass = USB_CLASS_COMM, \
3952 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
3953 .bInterfaceProtocol = USB_CDC_PROTO_NONE
3955 /* table of devices that work with this driver */
3956 static struct usb_device_id rtl8152_table[] = {
3957 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)},
3958 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},
3959 {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
3963 MODULE_DEVICE_TABLE(usb, rtl8152_table);
3965 static struct usb_driver rtl8152_driver = {
3967 .id_table = rtl8152_table,
3968 .probe = rtl8152_probe,
3969 .disconnect = rtl8152_disconnect,
3970 .suspend = rtl8152_suspend,
3971 .resume = rtl8152_resume,
3972 .reset_resume = rtl8152_resume,
3973 .supports_autosuspend = 1,
3974 .disable_hub_initiated_lpm = 1,
3977 module_usb_driver(rtl8152_driver);
3979 MODULE_AUTHOR(DRIVER_AUTHOR);
3980 MODULE_DESCRIPTION(DRIVER_DESC);
3981 MODULE_LICENSE("GPL");