2 * Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * version 2 as published by the Free Software Foundation.
10 #include <linux/signal.h>
11 #include <linux/slab.h>
12 #include <linux/module.h>
13 #include <linux/netdevice.h>
14 #include <linux/etherdevice.h>
15 #include <linux/mii.h>
16 #include <linux/ethtool.h>
17 #include <linux/usb.h>
18 #include <linux/crc32.h>
19 #include <linux/if_vlan.h>
20 #include <linux/uaccess.h>
21 #include <linux/list.h>
23 #include <linux/ipv6.h>
24 #include <net/ip6_checksum.h>
25 #include <uapi/linux/mdio.h>
26 #include <linux/mdio.h>
27 #include <linux/usb/cdc.h>
28 #include <linux/suspend.h>
29 #include <linux/acpi.h>
31 /* Information for net-next */
32 #define NETNEXT_VERSION "08"
34 /* Information for net */
35 #define NET_VERSION "9"
37 #define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
38 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
39 #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
40 #define MODULENAME "r8152"
42 #define R8152_PHY_ID 32
44 #define PLA_IDR 0xc000
45 #define PLA_RCR 0xc010
46 #define PLA_RMS 0xc016
47 #define PLA_RXFIFO_CTRL0 0xc0a0
48 #define PLA_RXFIFO_CTRL1 0xc0a4
49 #define PLA_RXFIFO_CTRL2 0xc0a8
50 #define PLA_DMY_REG0 0xc0b0
51 #define PLA_FMC 0xc0b4
52 #define PLA_CFG_WOL 0xc0b6
53 #define PLA_TEREDO_CFG 0xc0bc
54 #define PLA_MAR 0xcd00
55 #define PLA_BACKUP 0xd000
56 #define PAL_BDC_CR 0xd1a0
57 #define PLA_TEREDO_TIMER 0xd2cc
58 #define PLA_REALWOW_TIMER 0xd2e8
59 #define PLA_LEDSEL 0xdd90
60 #define PLA_LED_FEATURE 0xdd92
61 #define PLA_PHYAR 0xde00
62 #define PLA_BOOT_CTRL 0xe004
63 #define PLA_GPHY_INTR_IMR 0xe022
64 #define PLA_EEE_CR 0xe040
65 #define PLA_EEEP_CR 0xe080
66 #define PLA_MAC_PWR_CTRL 0xe0c0
67 #define PLA_MAC_PWR_CTRL2 0xe0ca
68 #define PLA_MAC_PWR_CTRL3 0xe0cc
69 #define PLA_MAC_PWR_CTRL4 0xe0ce
70 #define PLA_WDT6_CTRL 0xe428
71 #define PLA_TCR0 0xe610
72 #define PLA_TCR1 0xe612
73 #define PLA_MTPS 0xe615
74 #define PLA_TXFIFO_CTRL 0xe618
75 #define PLA_RSTTALLY 0xe800
77 #define PLA_CRWECR 0xe81c
78 #define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */
79 #define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */
80 #define PLA_CONFIG5 0xe822
81 #define PLA_PHY_PWR 0xe84c
82 #define PLA_OOB_CTRL 0xe84f
83 #define PLA_CPCR 0xe854
84 #define PLA_MISC_0 0xe858
85 #define PLA_MISC_1 0xe85a
86 #define PLA_OCP_GPHY_BASE 0xe86c
87 #define PLA_TALLYCNT 0xe890
88 #define PLA_SFF_STS_7 0xe8de
89 #define PLA_PHYSTATUS 0xe908
90 #define PLA_BP_BA 0xfc26
91 #define PLA_BP_0 0xfc28
92 #define PLA_BP_1 0xfc2a
93 #define PLA_BP_2 0xfc2c
94 #define PLA_BP_3 0xfc2e
95 #define PLA_BP_4 0xfc30
96 #define PLA_BP_5 0xfc32
97 #define PLA_BP_6 0xfc34
98 #define PLA_BP_7 0xfc36
99 #define PLA_BP_EN 0xfc38
101 #define USB_USB2PHY 0xb41e
102 #define USB_SSPHYLINK2 0xb428
103 #define USB_U2P3_CTRL 0xb460
104 #define USB_CSR_DUMMY1 0xb464
105 #define USB_CSR_DUMMY2 0xb466
106 #define USB_DEV_STAT 0xb808
107 #define USB_CONNECT_TIMER 0xcbf8
108 #define USB_BURST_SIZE 0xcfc0
109 #define USB_USB_CTRL 0xd406
110 #define USB_PHY_CTRL 0xd408
111 #define USB_TX_AGG 0xd40a
112 #define USB_RX_BUF_TH 0xd40c
113 #define USB_USB_TIMER 0xd428
114 #define USB_RX_EARLY_TIMEOUT 0xd42c
115 #define USB_RX_EARLY_SIZE 0xd42e
116 #define USB_PM_CTRL_STATUS 0xd432
117 #define USB_TX_DMA 0xd434
118 #define USB_TOLERANCE 0xd490
119 #define USB_LPM_CTRL 0xd41a
120 #define USB_BMU_RESET 0xd4b0
121 #define USB_UPS_CTRL 0xd800
122 #define USB_MISC_0 0xd81a
123 #define USB_POWER_CUT 0xd80a
124 #define USB_AFE_CTRL2 0xd824
125 #define USB_WDT11_CTRL 0xe43c
126 #define USB_BP_BA 0xfc26
127 #define USB_BP_0 0xfc28
128 #define USB_BP_1 0xfc2a
129 #define USB_BP_2 0xfc2c
130 #define USB_BP_3 0xfc2e
131 #define USB_BP_4 0xfc30
132 #define USB_BP_5 0xfc32
133 #define USB_BP_6 0xfc34
134 #define USB_BP_7 0xfc36
135 #define USB_BP_EN 0xfc38
138 #define OCP_ALDPS_CONFIG 0x2010
139 #define OCP_EEE_CONFIG1 0x2080
140 #define OCP_EEE_CONFIG2 0x2092
141 #define OCP_EEE_CONFIG3 0x2094
142 #define OCP_BASE_MII 0xa400
143 #define OCP_EEE_AR 0xa41a
144 #define OCP_EEE_DATA 0xa41c
145 #define OCP_PHY_STATUS 0xa420
146 #define OCP_POWER_CFG 0xa430
147 #define OCP_EEE_CFG 0xa432
148 #define OCP_SRAM_ADDR 0xa436
149 #define OCP_SRAM_DATA 0xa438
150 #define OCP_DOWN_SPEED 0xa442
151 #define OCP_EEE_ABLE 0xa5c4
152 #define OCP_EEE_ADV 0xa5d0
153 #define OCP_EEE_LPABLE 0xa5d2
154 #define OCP_PHY_STATE 0xa708 /* nway state for 8153 */
155 #define OCP_ADC_CFG 0xbc06
158 #define SRAM_LPF_CFG 0x8012
159 #define SRAM_10M_AMP1 0x8080
160 #define SRAM_10M_AMP2 0x8082
161 #define SRAM_IMPEDANCE 0x8084
164 #define RCR_AAP 0x00000001
165 #define RCR_APM 0x00000002
166 #define RCR_AM 0x00000004
167 #define RCR_AB 0x00000008
168 #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
170 /* PLA_RXFIFO_CTRL0 */
171 #define RXFIFO_THR1_NORMAL 0x00080002
172 #define RXFIFO_THR1_OOB 0x01800003
174 /* PLA_RXFIFO_CTRL1 */
175 #define RXFIFO_THR2_FULL 0x00000060
176 #define RXFIFO_THR2_HIGH 0x00000038
177 #define RXFIFO_THR2_OOB 0x0000004a
178 #define RXFIFO_THR2_NORMAL 0x00a0
180 /* PLA_RXFIFO_CTRL2 */
181 #define RXFIFO_THR3_FULL 0x00000078
182 #define RXFIFO_THR3_HIGH 0x00000048
183 #define RXFIFO_THR3_OOB 0x0000005a
184 #define RXFIFO_THR3_NORMAL 0x0110
186 /* PLA_TXFIFO_CTRL */
187 #define TXFIFO_THR_NORMAL 0x00400008
188 #define TXFIFO_THR_NORMAL2 0x01000008
191 #define ECM_ALDPS 0x0002
194 #define FMC_FCR_MCU_EN 0x0001
197 #define EEEP_CR_EEEP_TX 0x0002
200 #define WDT6_SET_MODE 0x0010
203 #define TCR0_TX_EMPTY 0x0800
204 #define TCR0_AUTO_FIFO 0x0080
207 #define VERSION_MASK 0x7cf0
210 #define MTPS_JUMBO (12 * 1024 / 64)
211 #define MTPS_DEFAULT (6 * 1024 / 64)
214 #define TALLY_RESET 0x0001
222 #define CRWECR_NORAML 0x00
223 #define CRWECR_CONFIG 0xc0
226 #define NOW_IS_OOB 0x80
227 #define TXFIFO_EMPTY 0x20
228 #define RXFIFO_EMPTY 0x10
229 #define LINK_LIST_READY 0x02
230 #define DIS_MCU_CLROOB 0x01
231 #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY)
234 #define RXDY_GATED_EN 0x0008
237 #define RE_INIT_LL 0x8000
238 #define MCU_BORW_EN 0x4000
241 #define CPCR_RX_VLAN 0x0040
244 #define MAGIC_EN 0x0001
247 #define TEREDO_SEL 0x8000
248 #define TEREDO_WAKE_MASK 0x7f00
249 #define TEREDO_RS_EVENT_MASK 0x00fe
250 #define OOB_TEREDO_EN 0x0001
253 #define ALDPS_PROXY_MODE 0x0001
256 #define LINK_ON_WAKE_EN 0x0010
257 #define LINK_OFF_WAKE_EN 0x0008
260 #define BWF_EN 0x0040
261 #define MWF_EN 0x0020
262 #define UWF_EN 0x0010
263 #define LAN_WAKE_EN 0x0002
265 /* PLA_LED_FEATURE */
266 #define LED_MODE_MASK 0x0700
269 #define TX_10M_IDLE_EN 0x0080
270 #define PFM_PWM_SWITCH 0x0040
272 /* PLA_MAC_PWR_CTRL */
273 #define D3_CLK_GATED_EN 0x00004000
274 #define MCU_CLK_RATIO 0x07010f07
275 #define MCU_CLK_RATIO_MASK 0x0f0f0f0f
276 #define ALDPS_SPDWN_RATIO 0x0f87
278 /* PLA_MAC_PWR_CTRL2 */
279 #define EEE_SPDWN_RATIO 0x8007
281 /* PLA_MAC_PWR_CTRL3 */
282 #define PKT_AVAIL_SPDWN_EN 0x0100
283 #define SUSPEND_SPDWN_EN 0x0004
284 #define U1U2_SPDWN_EN 0x0002
285 #define L1_SPDWN_EN 0x0001
287 /* PLA_MAC_PWR_CTRL4 */
288 #define PWRSAVE_SPDWN_EN 0x1000
289 #define RXDV_SPDWN_EN 0x0800
290 #define TX10MIDLE_EN 0x0100
291 #define TP100_SPDWN_EN 0x0020
292 #define TP500_SPDWN_EN 0x0010
293 #define TP1000_SPDWN_EN 0x0008
294 #define EEE_SPDWN_EN 0x0001
296 /* PLA_GPHY_INTR_IMR */
297 #define GPHY_STS_MSK 0x0001
298 #define SPEED_DOWN_MSK 0x0002
299 #define SPDWN_RXDV_MSK 0x0004
300 #define SPDWN_LINKCHG_MSK 0x0008
303 #define PHYAR_FLAG 0x80000000
306 #define EEE_RX_EN 0x0001
307 #define EEE_TX_EN 0x0002
310 #define AUTOLOAD_DONE 0x0002
313 #define USB2PHY_SUSPEND 0x0001
314 #define USB2PHY_L1 0x0002
317 #define pwd_dn_scale_mask 0x3ffe
318 #define pwd_dn_scale(x) ((x) << 1)
321 #define DYNAMIC_BURST 0x0001
324 #define EP4_FULL_FC 0x0001
327 #define STAT_SPEED_MASK 0x0006
328 #define STAT_SPEED_HIGH 0x0000
329 #define STAT_SPEED_FULL 0x0002
332 #define TX_AGG_MAX_THRESHOLD 0x03
335 #define RX_THR_SUPPER 0x0c350180
336 #define RX_THR_HIGH 0x7a120180
337 #define RX_THR_SLOW 0xffff0180
340 #define TEST_MODE_DISABLE 0x00000001
341 #define TX_SIZE_ADJUST1 0x00000100
344 #define BMU_RESET_EP_IN 0x01
345 #define BMU_RESET_EP_OUT 0x02
348 #define POWER_CUT 0x0100
350 /* USB_PM_CTRL_STATUS */
351 #define RESUME_INDICATE 0x0001
354 #define RX_AGG_DISABLE 0x0010
355 #define RX_ZERO_EN 0x0080
358 #define U2P3_ENABLE 0x0001
361 #define PWR_EN 0x0001
362 #define PHASE2_EN 0x0008
365 #define PCUT_STATUS 0x0001
367 /* USB_RX_EARLY_TIMEOUT */
368 #define COALESCE_SUPER 85000U
369 #define COALESCE_HIGH 250000U
370 #define COALESCE_SLOW 524280U
373 #define TIMER11_EN 0x0001
376 /* bit 4 ~ 5: fifo empty boundary */
377 #define FIFO_EMPTY_1FB 0x30 /* 0x1fb * 64 = 32448 bytes */
378 /* bit 2 ~ 3: LMP timer */
379 #define LPM_TIMER_MASK 0x0c
380 #define LPM_TIMER_500MS 0x04 /* 500 ms */
381 #define LPM_TIMER_500US 0x0c /* 500 us */
382 #define ROK_EXIT_LPM 0x02
385 #define SEN_VAL_MASK 0xf800
386 #define SEN_VAL_NORMAL 0xa000
387 #define SEL_RXIDLE 0x0100
389 /* OCP_ALDPS_CONFIG */
390 #define ENPWRSAVE 0x8000
391 #define ENPDNPS 0x0200
392 #define LINKENA 0x0100
393 #define DIS_SDSAVE 0x0010
396 #define PHY_STAT_MASK 0x0007
397 #define PHY_STAT_LAN_ON 3
398 #define PHY_STAT_PWRDN 5
401 #define EEE_CLKDIV_EN 0x8000
402 #define EN_ALDPS 0x0004
403 #define EN_10M_PLLOFF 0x0001
405 /* OCP_EEE_CONFIG1 */
406 #define RG_TXLPI_MSK_HFDUP 0x8000
407 #define RG_MATCLR_EN 0x4000
408 #define EEE_10_CAP 0x2000
409 #define EEE_NWAY_EN 0x1000
410 #define TX_QUIET_EN 0x0200
411 #define RX_QUIET_EN 0x0100
412 #define sd_rise_time_mask 0x0070
413 #define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */
414 #define RG_RXLPI_MSK_HFDUP 0x0008
415 #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */
417 /* OCP_EEE_CONFIG2 */
418 #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */
419 #define RG_DACQUIET_EN 0x0400
420 #define RG_LDVQUIET_EN 0x0200
421 #define RG_CKRSEL 0x0020
422 #define RG_EEEPRG_EN 0x0010
424 /* OCP_EEE_CONFIG3 */
425 #define fast_snr_mask 0xff80
426 #define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */
427 #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */
428 #define MSK_PH 0x0006 /* bit 0 ~ 3 */
431 /* bit[15:14] function */
432 #define FUN_ADDR 0x0000
433 #define FUN_DATA 0x4000
434 /* bit[4:0] device addr */
437 #define CTAP_SHORT_EN 0x0040
438 #define EEE10_EN 0x0010
441 #define EN_10M_BGOFF 0x0080
444 #define TXDIS_STATE 0x01
445 #define ABD_STATE 0x02
448 #define CKADSEL_L 0x0100
449 #define ADC_EN 0x0080
450 #define EN_EMI_L 0x0040
453 #define LPF_AUTO_TUNE 0x8000
456 #define GDAC_IB_UPALL 0x0008
459 #define AMP_DN 0x0200
462 #define RX_DRIVING_MASK 0x6000
465 #define AD_MASK 0xfee0
467 #define PASS_THRU_MASK 0x1
469 enum rtl_register_content
{
477 #define RTL8152_MAX_TX 4
478 #define RTL8152_MAX_RX 10
484 #define INTR_LINK 0x0004
486 #define RTL8152_REQT_READ 0xc0
487 #define RTL8152_REQT_WRITE 0x40
488 #define RTL8152_REQ_GET_REGS 0x05
489 #define RTL8152_REQ_SET_REGS 0x05
491 #define BYTE_EN_DWORD 0xff
492 #define BYTE_EN_WORD 0x33
493 #define BYTE_EN_BYTE 0x11
494 #define BYTE_EN_SIX_BYTES 0x3f
495 #define BYTE_EN_START_MASK 0x0f
496 #define BYTE_EN_END_MASK 0xf0
498 #define RTL8153_MAX_PACKET 9216 /* 9K */
499 #define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - VLAN_HLEN)
500 #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN)
501 #define RTL8153_RMS RTL8153_MAX_PACKET
502 #define RTL8152_TX_TIMEOUT (5 * HZ)
503 #define RTL8152_NAPI_WEIGHT 64
504 #define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + CRC_SIZE + \
505 sizeof(struct rx_desc) + RX_ALIGN)
518 /* Define these values to match your device */
519 #define VENDOR_ID_REALTEK 0x0bda
520 #define VENDOR_ID_MICROSOFT 0x045e
521 #define VENDOR_ID_SAMSUNG 0x04e8
522 #define VENDOR_ID_LENOVO 0x17ef
523 #define VENDOR_ID_NVIDIA 0x0955
525 #define MCU_TYPE_PLA 0x0100
526 #define MCU_TYPE_USB 0x0000
528 struct tally_counter
{
535 __le32 tx_one_collision
;
536 __le32 tx_multi_collision
;
546 #define RX_LEN_MASK 0x7fff
549 #define RD_UDP_CS BIT(23)
550 #define RD_TCP_CS BIT(22)
551 #define RD_IPV6_CS BIT(20)
552 #define RD_IPV4_CS BIT(19)
555 #define IPF BIT(23) /* IP checksum fail */
556 #define UDPF BIT(22) /* UDP checksum fail */
557 #define TCPF BIT(21) /* TCP checksum fail */
558 #define RX_VLAN_TAG BIT(16)
567 #define TX_FS BIT(31) /* First segment of a packet */
568 #define TX_LS BIT(30) /* Final segment of a packet */
569 #define GTSENDV4 BIT(28)
570 #define GTSENDV6 BIT(27)
571 #define GTTCPHO_SHIFT 18
572 #define GTTCPHO_MAX 0x7fU
573 #define TX_LEN_MAX 0x3ffffU
576 #define UDP_CS BIT(31) /* Calculate UDP/IP checksum */
577 #define TCP_CS BIT(30) /* Calculate TCP/IP checksum */
578 #define IPV4_CS BIT(29) /* Calculate IPv4 checksum */
579 #define IPV6_CS BIT(28) /* Calculate IPv6 checksum */
581 #define MSS_MAX 0x7ffU
582 #define TCPHO_SHIFT 17
583 #define TCPHO_MAX 0x7ffU
584 #define TX_VLAN_TAG BIT(16)
590 struct list_head list
;
592 struct r8152
*context
;
598 struct list_head list
;
600 struct r8152
*context
;
609 struct usb_device
*udev
;
610 struct napi_struct napi
;
611 struct usb_interface
*intf
;
612 struct net_device
*netdev
;
613 struct urb
*intr_urb
;
614 struct tx_agg tx_info
[RTL8152_MAX_TX
];
615 struct rx_agg rx_info
[RTL8152_MAX_RX
];
616 struct list_head rx_done
, tx_free
;
617 struct sk_buff_head tx_queue
, rx_queue
;
618 spinlock_t rx_lock
, tx_lock
;
619 struct delayed_work schedule
, hw_phy_work
;
620 struct mii_if_info mii
;
621 struct mutex control
; /* use for hw setting */
622 #ifdef CONFIG_PM_SLEEP
623 struct notifier_block pm_notifier
;
627 void (*init
)(struct r8152
*);
628 int (*enable
)(struct r8152
*);
629 void (*disable
)(struct r8152
*);
630 void (*up
)(struct r8152
*);
631 void (*down
)(struct r8152
*);
632 void (*unload
)(struct r8152
*);
633 int (*eee_get
)(struct r8152
*, struct ethtool_eee
*);
634 int (*eee_set
)(struct r8152
*, struct ethtool_eee
*);
635 bool (*in_nway
)(struct r8152
*);
636 void (*hw_phy_cfg
)(struct r8152
*);
637 void (*autosuspend_en
)(struct r8152
*tp
, bool enable
);
670 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
671 * The RTL chips use a 64 element hash table based on the Ethernet CRC.
673 static const int multicast_filter_limit
= 32;
674 static unsigned int agg_buf_sz
= 16384;
676 #define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \
677 VLAN_ETH_HLEN - VLAN_HLEN)
680 int get_registers(struct r8152
*tp
, u16 value
, u16 index
, u16 size
, void *data
)
685 tmp
= kmalloc(size
, GFP_KERNEL
);
689 ret
= usb_control_msg(tp
->udev
, usb_rcvctrlpipe(tp
->udev
, 0),
690 RTL8152_REQ_GET_REGS
, RTL8152_REQT_READ
,
691 value
, index
, tmp
, size
, 500);
693 memcpy(data
, tmp
, size
);
700 int set_registers(struct r8152
*tp
, u16 value
, u16 index
, u16 size
, void *data
)
705 tmp
= kmemdup(data
, size
, GFP_KERNEL
);
709 ret
= usb_control_msg(tp
->udev
, usb_sndctrlpipe(tp
->udev
, 0),
710 RTL8152_REQ_SET_REGS
, RTL8152_REQT_WRITE
,
711 value
, index
, tmp
, size
, 500);
718 static int generic_ocp_read(struct r8152
*tp
, u16 index
, u16 size
,
719 void *data
, u16 type
)
724 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
727 /* both size and indix must be 4 bytes align */
728 if ((size
& 3) || !size
|| (index
& 3) || !data
)
731 if ((u32
)index
+ (u32
)size
> 0xffff)
736 ret
= get_registers(tp
, index
, type
, limit
, data
);
744 ret
= get_registers(tp
, index
, type
, size
, data
);
756 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
761 static int generic_ocp_write(struct r8152
*tp
, u16 index
, u16 byteen
,
762 u16 size
, void *data
, u16 type
)
765 u16 byteen_start
, byteen_end
, byen
;
768 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
771 /* both size and indix must be 4 bytes align */
772 if ((size
& 3) || !size
|| (index
& 3) || !data
)
775 if ((u32
)index
+ (u32
)size
> 0xffff)
778 byteen_start
= byteen
& BYTE_EN_START_MASK
;
779 byteen_end
= byteen
& BYTE_EN_END_MASK
;
781 byen
= byteen_start
| (byteen_start
<< 4);
782 ret
= set_registers(tp
, index
, type
| byen
, 4, data
);
795 ret
= set_registers(tp
, index
,
796 type
| BYTE_EN_DWORD
,
805 ret
= set_registers(tp
, index
,
806 type
| BYTE_EN_DWORD
,
818 byen
= byteen_end
| (byteen_end
>> 4);
819 ret
= set_registers(tp
, index
, type
| byen
, 4, data
);
826 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
832 int pla_ocp_read(struct r8152
*tp
, u16 index
, u16 size
, void *data
)
834 return generic_ocp_read(tp
, index
, size
, data
, MCU_TYPE_PLA
);
838 int pla_ocp_write(struct r8152
*tp
, u16 index
, u16 byteen
, u16 size
, void *data
)
840 return generic_ocp_write(tp
, index
, byteen
, size
, data
, MCU_TYPE_PLA
);
844 int usb_ocp_read(struct r8152
*tp
, u16 index
, u16 size
, void *data
)
846 return generic_ocp_read(tp
, index
, size
, data
, MCU_TYPE_USB
);
850 int usb_ocp_write(struct r8152
*tp
, u16 index
, u16 byteen
, u16 size
, void *data
)
852 return generic_ocp_write(tp
, index
, byteen
, size
, data
, MCU_TYPE_USB
);
855 static u32
ocp_read_dword(struct r8152
*tp
, u16 type
, u16 index
)
859 generic_ocp_read(tp
, index
, sizeof(data
), &data
, type
);
861 return __le32_to_cpu(data
);
864 static void ocp_write_dword(struct r8152
*tp
, u16 type
, u16 index
, u32 data
)
866 __le32 tmp
= __cpu_to_le32(data
);
868 generic_ocp_write(tp
, index
, BYTE_EN_DWORD
, sizeof(tmp
), &tmp
, type
);
871 static u16
ocp_read_word(struct r8152
*tp
, u16 type
, u16 index
)
875 u8 shift
= index
& 2;
879 generic_ocp_read(tp
, index
, sizeof(tmp
), &tmp
, type
);
881 data
= __le32_to_cpu(tmp
);
882 data
>>= (shift
* 8);
888 static void ocp_write_word(struct r8152
*tp
, u16 type
, u16 index
, u32 data
)
892 u16 byen
= BYTE_EN_WORD
;
893 u8 shift
= index
& 2;
899 mask
<<= (shift
* 8);
900 data
<<= (shift
* 8);
904 tmp
= __cpu_to_le32(data
);
906 generic_ocp_write(tp
, index
, byen
, sizeof(tmp
), &tmp
, type
);
909 static u8
ocp_read_byte(struct r8152
*tp
, u16 type
, u16 index
)
913 u8 shift
= index
& 3;
917 generic_ocp_read(tp
, index
, sizeof(tmp
), &tmp
, type
);
919 data
= __le32_to_cpu(tmp
);
920 data
>>= (shift
* 8);
926 static void ocp_write_byte(struct r8152
*tp
, u16 type
, u16 index
, u32 data
)
930 u16 byen
= BYTE_EN_BYTE
;
931 u8 shift
= index
& 3;
937 mask
<<= (shift
* 8);
938 data
<<= (shift
* 8);
942 tmp
= __cpu_to_le32(data
);
944 generic_ocp_write(tp
, index
, byen
, sizeof(tmp
), &tmp
, type
);
947 static u16
ocp_reg_read(struct r8152
*tp
, u16 addr
)
949 u16 ocp_base
, ocp_index
;
951 ocp_base
= addr
& 0xf000;
952 if (ocp_base
!= tp
->ocp_base
) {
953 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_OCP_GPHY_BASE
, ocp_base
);
954 tp
->ocp_base
= ocp_base
;
957 ocp_index
= (addr
& 0x0fff) | 0xb000;
958 return ocp_read_word(tp
, MCU_TYPE_PLA
, ocp_index
);
961 static void ocp_reg_write(struct r8152
*tp
, u16 addr
, u16 data
)
963 u16 ocp_base
, ocp_index
;
965 ocp_base
= addr
& 0xf000;
966 if (ocp_base
!= tp
->ocp_base
) {
967 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_OCP_GPHY_BASE
, ocp_base
);
968 tp
->ocp_base
= ocp_base
;
971 ocp_index
= (addr
& 0x0fff) | 0xb000;
972 ocp_write_word(tp
, MCU_TYPE_PLA
, ocp_index
, data
);
975 static inline void r8152_mdio_write(struct r8152
*tp
, u32 reg_addr
, u32 value
)
977 ocp_reg_write(tp
, OCP_BASE_MII
+ reg_addr
* 2, value
);
980 static inline int r8152_mdio_read(struct r8152
*tp
, u32 reg_addr
)
982 return ocp_reg_read(tp
, OCP_BASE_MII
+ reg_addr
* 2);
985 static void sram_write(struct r8152
*tp
, u16 addr
, u16 data
)
987 ocp_reg_write(tp
, OCP_SRAM_ADDR
, addr
);
988 ocp_reg_write(tp
, OCP_SRAM_DATA
, data
);
991 static int read_mii_word(struct net_device
*netdev
, int phy_id
, int reg
)
993 struct r8152
*tp
= netdev_priv(netdev
);
996 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
999 if (phy_id
!= R8152_PHY_ID
)
1002 ret
= r8152_mdio_read(tp
, reg
);
1008 void write_mii_word(struct net_device
*netdev
, int phy_id
, int reg
, int val
)
1010 struct r8152
*tp
= netdev_priv(netdev
);
1012 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1015 if (phy_id
!= R8152_PHY_ID
)
1018 r8152_mdio_write(tp
, reg
, val
);
1022 r8152_submit_rx(struct r8152
*tp
, struct rx_agg
*agg
, gfp_t mem_flags
);
1024 static int rtl8152_set_mac_address(struct net_device
*netdev
, void *p
)
1026 struct r8152
*tp
= netdev_priv(netdev
);
1027 struct sockaddr
*addr
= p
;
1028 int ret
= -EADDRNOTAVAIL
;
1030 if (!is_valid_ether_addr(addr
->sa_data
))
1033 ret
= usb_autopm_get_interface(tp
->intf
);
1037 mutex_lock(&tp
->control
);
1039 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
1041 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_CONFIG
);
1042 pla_ocp_write(tp
, PLA_IDR
, BYTE_EN_SIX_BYTES
, 8, addr
->sa_data
);
1043 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
1045 mutex_unlock(&tp
->control
);
1047 usb_autopm_put_interface(tp
->intf
);
1052 /* Devices containing RTL8153-AD can support a persistent
1053 * host system provided MAC address.
1054 * Examples of this are Dell TB15 and Dell WD15 docks
1056 static int vendor_mac_passthru_addr_read(struct r8152
*tp
, struct sockaddr
*sa
)
1059 struct acpi_buffer buffer
= { ACPI_ALLOCATE_BUFFER
, NULL
};
1060 union acpi_object
*obj
;
1063 unsigned char buf
[6];
1065 /* test for -AD variant of RTL8153 */
1066 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_MISC_0
);
1067 if ((ocp_data
& AD_MASK
) != 0x1000)
1070 /* test for MAC address pass-through bit */
1071 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, EFUSE
);
1072 if ((ocp_data
& PASS_THRU_MASK
) != 1)
1075 /* returns _AUXMAC_#AABBCCDDEEFF# */
1076 status
= acpi_evaluate_object(NULL
, "\\_SB.AMAC", NULL
, &buffer
);
1077 obj
= (union acpi_object
*)buffer
.pointer
;
1078 if (!ACPI_SUCCESS(status
))
1080 if (obj
->type
!= ACPI_TYPE_BUFFER
|| obj
->string
.length
!= 0x17) {
1081 netif_warn(tp
, probe
, tp
->netdev
,
1082 "Invalid buffer for pass-thru MAC addr: (%d, %d)\n",
1083 obj
->type
, obj
->string
.length
);
1086 if (strncmp(obj
->string
.pointer
, "_AUXMAC_#", 9) != 0 ||
1087 strncmp(obj
->string
.pointer
+ 0x15, "#", 1) != 0) {
1088 netif_warn(tp
, probe
, tp
->netdev
,
1089 "Invalid header when reading pass-thru MAC addr\n");
1092 ret
= hex2bin(buf
, obj
->string
.pointer
+ 9, 6);
1093 if (!(ret
== 0 && is_valid_ether_addr(buf
))) {
1094 netif_warn(tp
, probe
, tp
->netdev
,
1095 "Invalid MAC for pass-thru MAC addr: %d, %pM\n",
1100 memcpy(sa
->sa_data
, buf
, 6);
1101 ether_addr_copy(tp
->netdev
->dev_addr
, sa
->sa_data
);
1102 netif_info(tp
, probe
, tp
->netdev
,
1103 "Using pass-thru MAC addr %pM\n", sa
->sa_data
);
1110 static int set_ethernet_addr(struct r8152
*tp
)
1112 struct net_device
*dev
= tp
->netdev
;
1116 if (tp
->version
== RTL_VER_01
) {
1117 ret
= pla_ocp_read(tp
, PLA_IDR
, 8, sa
.sa_data
);
1119 /* if this is not an RTL8153-AD, no eFuse mac pass thru set,
1120 * or system doesn't provide valid _SB.AMAC this will be
1121 * be expected to non-zero
1123 ret
= vendor_mac_passthru_addr_read(tp
, &sa
);
1125 ret
= pla_ocp_read(tp
, PLA_BACKUP
, 8, sa
.sa_data
);
1129 netif_err(tp
, probe
, dev
, "Get ether addr fail\n");
1130 } else if (!is_valid_ether_addr(sa
.sa_data
)) {
1131 netif_err(tp
, probe
, dev
, "Invalid ether addr %pM\n",
1133 eth_hw_addr_random(dev
);
1134 ether_addr_copy(sa
.sa_data
, dev
->dev_addr
);
1135 ret
= rtl8152_set_mac_address(dev
, &sa
);
1136 netif_info(tp
, probe
, dev
, "Random ether addr %pM\n",
1139 if (tp
->version
== RTL_VER_01
)
1140 ether_addr_copy(dev
->dev_addr
, sa
.sa_data
);
1142 ret
= rtl8152_set_mac_address(dev
, &sa
);
1148 static void read_bulk_callback(struct urb
*urb
)
1150 struct net_device
*netdev
;
1151 int status
= urb
->status
;
1163 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1166 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
1169 netdev
= tp
->netdev
;
1171 /* When link down, the driver would cancel all bulks. */
1172 /* This avoid the re-submitting bulk */
1173 if (!netif_carrier_ok(netdev
))
1176 usb_mark_last_busy(tp
->udev
);
1180 if (urb
->actual_length
< ETH_ZLEN
)
1183 spin_lock(&tp
->rx_lock
);
1184 list_add_tail(&agg
->list
, &tp
->rx_done
);
1185 spin_unlock(&tp
->rx_lock
);
1186 napi_schedule(&tp
->napi
);
1189 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
1190 netif_device_detach(tp
->netdev
);
1193 return; /* the urb is in unlink state */
1195 if (net_ratelimit())
1196 netdev_warn(netdev
, "maybe reset is needed?\n");
1199 if (net_ratelimit())
1200 netdev_warn(netdev
, "Rx status %d\n", status
);
1204 r8152_submit_rx(tp
, agg
, GFP_ATOMIC
);
1207 static void write_bulk_callback(struct urb
*urb
)
1209 struct net_device_stats
*stats
;
1210 struct net_device
*netdev
;
1213 int status
= urb
->status
;
1223 netdev
= tp
->netdev
;
1224 stats
= &netdev
->stats
;
1226 if (net_ratelimit())
1227 netdev_warn(netdev
, "Tx status %d\n", status
);
1228 stats
->tx_errors
+= agg
->skb_num
;
1230 stats
->tx_packets
+= agg
->skb_num
;
1231 stats
->tx_bytes
+= agg
->skb_len
;
1234 spin_lock(&tp
->tx_lock
);
1235 list_add_tail(&agg
->list
, &tp
->tx_free
);
1236 spin_unlock(&tp
->tx_lock
);
1238 usb_autopm_put_interface_async(tp
->intf
);
1240 if (!netif_carrier_ok(netdev
))
1243 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
1246 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1249 if (!skb_queue_empty(&tp
->tx_queue
))
1250 napi_schedule(&tp
->napi
);
1253 static void intr_callback(struct urb
*urb
)
1257 int status
= urb
->status
;
1264 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
1267 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1271 case 0: /* success */
1273 case -ECONNRESET
: /* unlink */
1275 netif_device_detach(tp
->netdev
);
1278 netif_info(tp
, intr
, tp
->netdev
,
1279 "Stop submitting intr, status %d\n", status
);
1282 netif_info(tp
, intr
, tp
->netdev
, "intr status -EOVERFLOW\n");
1284 /* -EPIPE: should clear the halt */
1286 netif_info(tp
, intr
, tp
->netdev
, "intr status %d\n", status
);
1290 d
= urb
->transfer_buffer
;
1291 if (INTR_LINK
& __le16_to_cpu(d
[0])) {
1292 if (!netif_carrier_ok(tp
->netdev
)) {
1293 set_bit(RTL8152_LINK_CHG
, &tp
->flags
);
1294 schedule_delayed_work(&tp
->schedule
, 0);
1297 if (netif_carrier_ok(tp
->netdev
)) {
1298 netif_stop_queue(tp
->netdev
);
1299 set_bit(RTL8152_LINK_CHG
, &tp
->flags
);
1300 schedule_delayed_work(&tp
->schedule
, 0);
1305 res
= usb_submit_urb(urb
, GFP_ATOMIC
);
1306 if (res
== -ENODEV
) {
1307 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
1308 netif_device_detach(tp
->netdev
);
1310 netif_err(tp
, intr
, tp
->netdev
,
1311 "can't resubmit intr, status %d\n", res
);
1315 static inline void *rx_agg_align(void *data
)
1317 return (void *)ALIGN((uintptr_t)data
, RX_ALIGN
);
1320 static inline void *tx_agg_align(void *data
)
1322 return (void *)ALIGN((uintptr_t)data
, TX_ALIGN
);
1325 static void free_all_mem(struct r8152
*tp
)
1329 for (i
= 0; i
< RTL8152_MAX_RX
; i
++) {
1330 usb_free_urb(tp
->rx_info
[i
].urb
);
1331 tp
->rx_info
[i
].urb
= NULL
;
1333 kfree(tp
->rx_info
[i
].buffer
);
1334 tp
->rx_info
[i
].buffer
= NULL
;
1335 tp
->rx_info
[i
].head
= NULL
;
1338 for (i
= 0; i
< RTL8152_MAX_TX
; i
++) {
1339 usb_free_urb(tp
->tx_info
[i
].urb
);
1340 tp
->tx_info
[i
].urb
= NULL
;
1342 kfree(tp
->tx_info
[i
].buffer
);
1343 tp
->tx_info
[i
].buffer
= NULL
;
1344 tp
->tx_info
[i
].head
= NULL
;
1347 usb_free_urb(tp
->intr_urb
);
1348 tp
->intr_urb
= NULL
;
1350 kfree(tp
->intr_buff
);
1351 tp
->intr_buff
= NULL
;
1354 static int alloc_all_mem(struct r8152
*tp
)
1356 struct net_device
*netdev
= tp
->netdev
;
1357 struct usb_interface
*intf
= tp
->intf
;
1358 struct usb_host_interface
*alt
= intf
->cur_altsetting
;
1359 struct usb_host_endpoint
*ep_intr
= alt
->endpoint
+ 2;
1364 node
= netdev
->dev
.parent
? dev_to_node(netdev
->dev
.parent
) : -1;
1366 spin_lock_init(&tp
->rx_lock
);
1367 spin_lock_init(&tp
->tx_lock
);
1368 INIT_LIST_HEAD(&tp
->tx_free
);
1369 INIT_LIST_HEAD(&tp
->rx_done
);
1370 skb_queue_head_init(&tp
->tx_queue
);
1371 skb_queue_head_init(&tp
->rx_queue
);
1373 for (i
= 0; i
< RTL8152_MAX_RX
; i
++) {
1374 buf
= kmalloc_node(agg_buf_sz
, GFP_KERNEL
, node
);
1378 if (buf
!= rx_agg_align(buf
)) {
1380 buf
= kmalloc_node(agg_buf_sz
+ RX_ALIGN
, GFP_KERNEL
,
1386 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1392 INIT_LIST_HEAD(&tp
->rx_info
[i
].list
);
1393 tp
->rx_info
[i
].context
= tp
;
1394 tp
->rx_info
[i
].urb
= urb
;
1395 tp
->rx_info
[i
].buffer
= buf
;
1396 tp
->rx_info
[i
].head
= rx_agg_align(buf
);
1399 for (i
= 0; i
< RTL8152_MAX_TX
; i
++) {
1400 buf
= kmalloc_node(agg_buf_sz
, GFP_KERNEL
, node
);
1404 if (buf
!= tx_agg_align(buf
)) {
1406 buf
= kmalloc_node(agg_buf_sz
+ TX_ALIGN
, GFP_KERNEL
,
1412 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1418 INIT_LIST_HEAD(&tp
->tx_info
[i
].list
);
1419 tp
->tx_info
[i
].context
= tp
;
1420 tp
->tx_info
[i
].urb
= urb
;
1421 tp
->tx_info
[i
].buffer
= buf
;
1422 tp
->tx_info
[i
].head
= tx_agg_align(buf
);
1424 list_add_tail(&tp
->tx_info
[i
].list
, &tp
->tx_free
);
1427 tp
->intr_urb
= usb_alloc_urb(0, GFP_KERNEL
);
1431 tp
->intr_buff
= kmalloc(INTBUFSIZE
, GFP_KERNEL
);
1435 tp
->intr_interval
= (int)ep_intr
->desc
.bInterval
;
1436 usb_fill_int_urb(tp
->intr_urb
, tp
->udev
, usb_rcvintpipe(tp
->udev
, 3),
1437 tp
->intr_buff
, INTBUFSIZE
, intr_callback
,
1438 tp
, tp
->intr_interval
);
1447 static struct tx_agg
*r8152_get_tx_agg(struct r8152
*tp
)
1449 struct tx_agg
*agg
= NULL
;
1450 unsigned long flags
;
1452 if (list_empty(&tp
->tx_free
))
1455 spin_lock_irqsave(&tp
->tx_lock
, flags
);
1456 if (!list_empty(&tp
->tx_free
)) {
1457 struct list_head
*cursor
;
1459 cursor
= tp
->tx_free
.next
;
1460 list_del_init(cursor
);
1461 agg
= list_entry(cursor
, struct tx_agg
, list
);
1463 spin_unlock_irqrestore(&tp
->tx_lock
, flags
);
1468 /* r8152_csum_workaround()
1469 * The hw limites the value the transport offset. When the offset is out of the
1470 * range, calculate the checksum by sw.
1472 static void r8152_csum_workaround(struct r8152
*tp
, struct sk_buff
*skb
,
1473 struct sk_buff_head
*list
)
1475 if (skb_shinfo(skb
)->gso_size
) {
1476 netdev_features_t features
= tp
->netdev
->features
;
1477 struct sk_buff_head seg_list
;
1478 struct sk_buff
*segs
, *nskb
;
1480 features
&= ~(NETIF_F_SG
| NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1481 segs
= skb_gso_segment(skb
, features
);
1482 if (IS_ERR(segs
) || !segs
)
1485 __skb_queue_head_init(&seg_list
);
1491 __skb_queue_tail(&seg_list
, nskb
);
1494 skb_queue_splice(&seg_list
, list
);
1496 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
1497 if (skb_checksum_help(skb
) < 0)
1500 __skb_queue_head(list
, skb
);
1502 struct net_device_stats
*stats
;
1505 stats
= &tp
->netdev
->stats
;
1506 stats
->tx_dropped
++;
1511 /* msdn_giant_send_check()
1512 * According to the document of microsoft, the TCP Pseudo Header excludes the
1513 * packet length for IPv6 TCP large packets.
1515 static int msdn_giant_send_check(struct sk_buff
*skb
)
1517 const struct ipv6hdr
*ipv6h
;
1521 ret
= skb_cow_head(skb
, 0);
1525 ipv6h
= ipv6_hdr(skb
);
1529 th
->check
= ~tcp_v6_check(0, &ipv6h
->saddr
, &ipv6h
->daddr
, 0);
1534 static inline void rtl_tx_vlan_tag(struct tx_desc
*desc
, struct sk_buff
*skb
)
1536 if (skb_vlan_tag_present(skb
)) {
1539 opts2
= TX_VLAN_TAG
| swab16(skb_vlan_tag_get(skb
));
1540 desc
->opts2
|= cpu_to_le32(opts2
);
1544 static inline void rtl_rx_vlan_tag(struct rx_desc
*desc
, struct sk_buff
*skb
)
1546 u32 opts2
= le32_to_cpu(desc
->opts2
);
1548 if (opts2
& RX_VLAN_TAG
)
1549 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
),
1550 swab16(opts2
& 0xffff));
1553 static int r8152_tx_csum(struct r8152
*tp
, struct tx_desc
*desc
,
1554 struct sk_buff
*skb
, u32 len
, u32 transport_offset
)
1556 u32 mss
= skb_shinfo(skb
)->gso_size
;
1557 u32 opts1
, opts2
= 0;
1558 int ret
= TX_CSUM_SUCCESS
;
1560 WARN_ON_ONCE(len
> TX_LEN_MAX
);
1562 opts1
= len
| TX_FS
| TX_LS
;
1565 if (transport_offset
> GTTCPHO_MAX
) {
1566 netif_warn(tp
, tx_err
, tp
->netdev
,
1567 "Invalid transport offset 0x%x for TSO\n",
1573 switch (vlan_get_protocol(skb
)) {
1574 case htons(ETH_P_IP
):
1578 case htons(ETH_P_IPV6
):
1579 if (msdn_giant_send_check(skb
)) {
1591 opts1
|= transport_offset
<< GTTCPHO_SHIFT
;
1592 opts2
|= min(mss
, MSS_MAX
) << MSS_SHIFT
;
1593 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
1596 if (transport_offset
> TCPHO_MAX
) {
1597 netif_warn(tp
, tx_err
, tp
->netdev
,
1598 "Invalid transport offset 0x%x\n",
1604 switch (vlan_get_protocol(skb
)) {
1605 case htons(ETH_P_IP
):
1607 ip_protocol
= ip_hdr(skb
)->protocol
;
1610 case htons(ETH_P_IPV6
):
1612 ip_protocol
= ipv6_hdr(skb
)->nexthdr
;
1616 ip_protocol
= IPPROTO_RAW
;
1620 if (ip_protocol
== IPPROTO_TCP
)
1622 else if (ip_protocol
== IPPROTO_UDP
)
1627 opts2
|= transport_offset
<< TCPHO_SHIFT
;
1630 desc
->opts2
= cpu_to_le32(opts2
);
1631 desc
->opts1
= cpu_to_le32(opts1
);
1637 static int r8152_tx_agg_fill(struct r8152
*tp
, struct tx_agg
*agg
)
1639 struct sk_buff_head skb_head
, *tx_queue
= &tp
->tx_queue
;
1643 __skb_queue_head_init(&skb_head
);
1644 spin_lock(&tx_queue
->lock
);
1645 skb_queue_splice_init(tx_queue
, &skb_head
);
1646 spin_unlock(&tx_queue
->lock
);
1648 tx_data
= agg
->head
;
1651 remain
= agg_buf_sz
;
1653 while (remain
>= ETH_ZLEN
+ sizeof(struct tx_desc
)) {
1654 struct tx_desc
*tx_desc
;
1655 struct sk_buff
*skb
;
1659 skb
= __skb_dequeue(&skb_head
);
1663 len
= skb
->len
+ sizeof(*tx_desc
);
1666 __skb_queue_head(&skb_head
, skb
);
1670 tx_data
= tx_agg_align(tx_data
);
1671 tx_desc
= (struct tx_desc
*)tx_data
;
1673 offset
= (u32
)skb_transport_offset(skb
);
1675 if (r8152_tx_csum(tp
, tx_desc
, skb
, skb
->len
, offset
)) {
1676 r8152_csum_workaround(tp
, skb
, &skb_head
);
1680 rtl_tx_vlan_tag(tx_desc
, skb
);
1682 tx_data
+= sizeof(*tx_desc
);
1685 if (skb_copy_bits(skb
, 0, tx_data
, len
) < 0) {
1686 struct net_device_stats
*stats
= &tp
->netdev
->stats
;
1688 stats
->tx_dropped
++;
1689 dev_kfree_skb_any(skb
);
1690 tx_data
-= sizeof(*tx_desc
);
1695 agg
->skb_len
+= len
;
1698 dev_kfree_skb_any(skb
);
1700 remain
= agg_buf_sz
- (int)(tx_agg_align(tx_data
) - agg
->head
);
1703 if (!skb_queue_empty(&skb_head
)) {
1704 spin_lock(&tx_queue
->lock
);
1705 skb_queue_splice(&skb_head
, tx_queue
);
1706 spin_unlock(&tx_queue
->lock
);
1709 netif_tx_lock(tp
->netdev
);
1711 if (netif_queue_stopped(tp
->netdev
) &&
1712 skb_queue_len(&tp
->tx_queue
) < tp
->tx_qlen
)
1713 netif_wake_queue(tp
->netdev
);
1715 netif_tx_unlock(tp
->netdev
);
1717 ret
= usb_autopm_get_interface_async(tp
->intf
);
1721 usb_fill_bulk_urb(agg
->urb
, tp
->udev
, usb_sndbulkpipe(tp
->udev
, 2),
1722 agg
->head
, (int)(tx_data
- (u8
*)agg
->head
),
1723 (usb_complete_t
)write_bulk_callback
, agg
);
1725 ret
= usb_submit_urb(agg
->urb
, GFP_ATOMIC
);
1727 usb_autopm_put_interface_async(tp
->intf
);
1733 static u8
r8152_rx_csum(struct r8152
*tp
, struct rx_desc
*rx_desc
)
1735 u8 checksum
= CHECKSUM_NONE
;
1738 if (!(tp
->netdev
->features
& NETIF_F_RXCSUM
))
1741 opts2
= le32_to_cpu(rx_desc
->opts2
);
1742 opts3
= le32_to_cpu(rx_desc
->opts3
);
1744 if (opts2
& RD_IPV4_CS
) {
1746 checksum
= CHECKSUM_NONE
;
1747 else if ((opts2
& RD_UDP_CS
) && (opts3
& UDPF
))
1748 checksum
= CHECKSUM_NONE
;
1749 else if ((opts2
& RD_TCP_CS
) && (opts3
& TCPF
))
1750 checksum
= CHECKSUM_NONE
;
1752 checksum
= CHECKSUM_UNNECESSARY
;
1753 } else if (opts2
& RD_IPV6_CS
) {
1754 if ((opts2
& RD_UDP_CS
) && !(opts3
& UDPF
))
1755 checksum
= CHECKSUM_UNNECESSARY
;
1756 else if ((opts2
& RD_TCP_CS
) && !(opts3
& TCPF
))
1757 checksum
= CHECKSUM_UNNECESSARY
;
1764 static int rx_bottom(struct r8152
*tp
, int budget
)
1766 unsigned long flags
;
1767 struct list_head
*cursor
, *next
, rx_queue
;
1768 int ret
= 0, work_done
= 0;
1770 if (!skb_queue_empty(&tp
->rx_queue
)) {
1771 while (work_done
< budget
) {
1772 struct sk_buff
*skb
= __skb_dequeue(&tp
->rx_queue
);
1773 struct net_device
*netdev
= tp
->netdev
;
1774 struct net_device_stats
*stats
= &netdev
->stats
;
1775 unsigned int pkt_len
;
1781 napi_gro_receive(&tp
->napi
, skb
);
1783 stats
->rx_packets
++;
1784 stats
->rx_bytes
+= pkt_len
;
1788 if (list_empty(&tp
->rx_done
))
1791 INIT_LIST_HEAD(&rx_queue
);
1792 spin_lock_irqsave(&tp
->rx_lock
, flags
);
1793 list_splice_init(&tp
->rx_done
, &rx_queue
);
1794 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
1796 list_for_each_safe(cursor
, next
, &rx_queue
) {
1797 struct rx_desc
*rx_desc
;
1803 list_del_init(cursor
);
1805 agg
= list_entry(cursor
, struct rx_agg
, list
);
1807 if (urb
->actual_length
< ETH_ZLEN
)
1810 rx_desc
= agg
->head
;
1811 rx_data
= agg
->head
;
1812 len_used
+= sizeof(struct rx_desc
);
1814 while (urb
->actual_length
> len_used
) {
1815 struct net_device
*netdev
= tp
->netdev
;
1816 struct net_device_stats
*stats
= &netdev
->stats
;
1817 unsigned int pkt_len
;
1818 struct sk_buff
*skb
;
1820 pkt_len
= le32_to_cpu(rx_desc
->opts1
) & RX_LEN_MASK
;
1821 if (pkt_len
< ETH_ZLEN
)
1824 len_used
+= pkt_len
;
1825 if (urb
->actual_length
< len_used
)
1828 pkt_len
-= CRC_SIZE
;
1829 rx_data
+= sizeof(struct rx_desc
);
1831 skb
= napi_alloc_skb(&tp
->napi
, pkt_len
);
1833 stats
->rx_dropped
++;
1837 skb
->ip_summed
= r8152_rx_csum(tp
, rx_desc
);
1838 memcpy(skb
->data
, rx_data
, pkt_len
);
1839 skb_put(skb
, pkt_len
);
1840 skb
->protocol
= eth_type_trans(skb
, netdev
);
1841 rtl_rx_vlan_tag(rx_desc
, skb
);
1842 if (work_done
< budget
) {
1843 napi_gro_receive(&tp
->napi
, skb
);
1845 stats
->rx_packets
++;
1846 stats
->rx_bytes
+= pkt_len
;
1848 __skb_queue_tail(&tp
->rx_queue
, skb
);
1852 rx_data
= rx_agg_align(rx_data
+ pkt_len
+ CRC_SIZE
);
1853 rx_desc
= (struct rx_desc
*)rx_data
;
1854 len_used
= (int)(rx_data
- (u8
*)agg
->head
);
1855 len_used
+= sizeof(struct rx_desc
);
1860 ret
= r8152_submit_rx(tp
, agg
, GFP_ATOMIC
);
1862 urb
->actual_length
= 0;
1863 list_add_tail(&agg
->list
, next
);
1867 if (!list_empty(&rx_queue
)) {
1868 spin_lock_irqsave(&tp
->rx_lock
, flags
);
1869 list_splice_tail(&rx_queue
, &tp
->rx_done
);
1870 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
1877 static void tx_bottom(struct r8152
*tp
)
1884 if (skb_queue_empty(&tp
->tx_queue
))
1887 agg
= r8152_get_tx_agg(tp
);
1891 res
= r8152_tx_agg_fill(tp
, agg
);
1893 struct net_device
*netdev
= tp
->netdev
;
1895 if (res
== -ENODEV
) {
1896 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
1897 netif_device_detach(netdev
);
1899 struct net_device_stats
*stats
= &netdev
->stats
;
1900 unsigned long flags
;
1902 netif_warn(tp
, tx_err
, netdev
,
1903 "failed tx_urb %d\n", res
);
1904 stats
->tx_dropped
+= agg
->skb_num
;
1906 spin_lock_irqsave(&tp
->tx_lock
, flags
);
1907 list_add_tail(&agg
->list
, &tp
->tx_free
);
1908 spin_unlock_irqrestore(&tp
->tx_lock
, flags
);
1914 static void bottom_half(struct r8152
*tp
)
1916 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
1919 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
1922 /* When link down, the driver would cancel all bulks. */
1923 /* This avoid the re-submitting bulk */
1924 if (!netif_carrier_ok(tp
->netdev
))
1927 clear_bit(SCHEDULE_NAPI
, &tp
->flags
);
1932 static int r8152_poll(struct napi_struct
*napi
, int budget
)
1934 struct r8152
*tp
= container_of(napi
, struct r8152
, napi
);
1937 work_done
= rx_bottom(tp
, budget
);
1940 if (work_done
< budget
) {
1941 napi_complete(napi
);
1942 if (!list_empty(&tp
->rx_done
))
1943 napi_schedule(napi
);
1944 else if (!skb_queue_empty(&tp
->tx_queue
) &&
1945 !list_empty(&tp
->tx_free
))
1946 napi_schedule(napi
);
1953 int r8152_submit_rx(struct r8152
*tp
, struct rx_agg
*agg
, gfp_t mem_flags
)
1957 /* The rx would be stopped, so skip submitting */
1958 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
) ||
1959 !test_bit(WORK_ENABLE
, &tp
->flags
) || !netif_carrier_ok(tp
->netdev
))
1962 usb_fill_bulk_urb(agg
->urb
, tp
->udev
, usb_rcvbulkpipe(tp
->udev
, 1),
1963 agg
->head
, agg_buf_sz
,
1964 (usb_complete_t
)read_bulk_callback
, agg
);
1966 ret
= usb_submit_urb(agg
->urb
, mem_flags
);
1967 if (ret
== -ENODEV
) {
1968 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
1969 netif_device_detach(tp
->netdev
);
1971 struct urb
*urb
= agg
->urb
;
1972 unsigned long flags
;
1974 urb
->actual_length
= 0;
1975 spin_lock_irqsave(&tp
->rx_lock
, flags
);
1976 list_add_tail(&agg
->list
, &tp
->rx_done
);
1977 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
1979 netif_err(tp
, rx_err
, tp
->netdev
,
1980 "Couldn't submit rx[%p], ret = %d\n", agg
, ret
);
1982 napi_schedule(&tp
->napi
);
1988 static void rtl_drop_queued_tx(struct r8152
*tp
)
1990 struct net_device_stats
*stats
= &tp
->netdev
->stats
;
1991 struct sk_buff_head skb_head
, *tx_queue
= &tp
->tx_queue
;
1992 struct sk_buff
*skb
;
1994 if (skb_queue_empty(tx_queue
))
1997 __skb_queue_head_init(&skb_head
);
1998 spin_lock_bh(&tx_queue
->lock
);
1999 skb_queue_splice_init(tx_queue
, &skb_head
);
2000 spin_unlock_bh(&tx_queue
->lock
);
2002 while ((skb
= __skb_dequeue(&skb_head
))) {
2004 stats
->tx_dropped
++;
2008 static void rtl8152_tx_timeout(struct net_device
*netdev
)
2010 struct r8152
*tp
= netdev_priv(netdev
);
2012 netif_warn(tp
, tx_err
, netdev
, "Tx timeout\n");
2014 usb_queue_reset_device(tp
->intf
);
2017 static void rtl8152_set_rx_mode(struct net_device
*netdev
)
2019 struct r8152
*tp
= netdev_priv(netdev
);
2021 if (netif_carrier_ok(netdev
)) {
2022 set_bit(RTL8152_SET_RX_MODE
, &tp
->flags
);
2023 schedule_delayed_work(&tp
->schedule
, 0);
2027 static void _rtl8152_set_rx_mode(struct net_device
*netdev
)
2029 struct r8152
*tp
= netdev_priv(netdev
);
2030 u32 mc_filter
[2]; /* Multicast hash filter */
2034 netif_stop_queue(netdev
);
2035 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
2036 ocp_data
&= ~RCR_ACPT_ALL
;
2037 ocp_data
|= RCR_AB
| RCR_APM
;
2039 if (netdev
->flags
& IFF_PROMISC
) {
2040 /* Unconditionally log net taps. */
2041 netif_notice(tp
, link
, netdev
, "Promiscuous mode enabled\n");
2042 ocp_data
|= RCR_AM
| RCR_AAP
;
2043 mc_filter
[1] = 0xffffffff;
2044 mc_filter
[0] = 0xffffffff;
2045 } else if ((netdev_mc_count(netdev
) > multicast_filter_limit
) ||
2046 (netdev
->flags
& IFF_ALLMULTI
)) {
2047 /* Too many to filter perfectly -- accept all multicasts. */
2049 mc_filter
[1] = 0xffffffff;
2050 mc_filter
[0] = 0xffffffff;
2052 struct netdev_hw_addr
*ha
;
2056 netdev_for_each_mc_addr(ha
, netdev
) {
2057 int bit_nr
= ether_crc(ETH_ALEN
, ha
->addr
) >> 26;
2059 mc_filter
[bit_nr
>> 5] |= 1 << (bit_nr
& 31);
2064 tmp
[0] = __cpu_to_le32(swab32(mc_filter
[1]));
2065 tmp
[1] = __cpu_to_le32(swab32(mc_filter
[0]));
2067 pla_ocp_write(tp
, PLA_MAR
, BYTE_EN_DWORD
, sizeof(tmp
), tmp
);
2068 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
2069 netif_wake_queue(netdev
);
2072 static netdev_features_t
2073 rtl8152_features_check(struct sk_buff
*skb
, struct net_device
*dev
,
2074 netdev_features_t features
)
2076 u32 mss
= skb_shinfo(skb
)->gso_size
;
2077 int max_offset
= mss
? GTTCPHO_MAX
: TCPHO_MAX
;
2078 int offset
= skb_transport_offset(skb
);
2080 if ((mss
|| skb
->ip_summed
== CHECKSUM_PARTIAL
) && offset
> max_offset
)
2081 features
&= ~(NETIF_F_CSUM_MASK
| NETIF_F_GSO_MASK
);
2082 else if ((skb
->len
+ sizeof(struct tx_desc
)) > agg_buf_sz
)
2083 features
&= ~NETIF_F_GSO_MASK
;
2088 static netdev_tx_t
rtl8152_start_xmit(struct sk_buff
*skb
,
2089 struct net_device
*netdev
)
2091 struct r8152
*tp
= netdev_priv(netdev
);
2093 skb_tx_timestamp(skb
);
2095 skb_queue_tail(&tp
->tx_queue
, skb
);
2097 if (!list_empty(&tp
->tx_free
)) {
2098 if (test_bit(SELECTIVE_SUSPEND
, &tp
->flags
)) {
2099 set_bit(SCHEDULE_NAPI
, &tp
->flags
);
2100 schedule_delayed_work(&tp
->schedule
, 0);
2102 usb_mark_last_busy(tp
->udev
);
2103 napi_schedule(&tp
->napi
);
2105 } else if (skb_queue_len(&tp
->tx_queue
) > tp
->tx_qlen
) {
2106 netif_stop_queue(netdev
);
2109 return NETDEV_TX_OK
;
2112 static void r8152b_reset_packet_filter(struct r8152
*tp
)
2116 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_FMC
);
2117 ocp_data
&= ~FMC_FCR_MCU_EN
;
2118 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_FMC
, ocp_data
);
2119 ocp_data
|= FMC_FCR_MCU_EN
;
2120 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_FMC
, ocp_data
);
2123 static void rtl8152_nic_reset(struct r8152
*tp
)
2127 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CR
, CR_RST
);
2129 for (i
= 0; i
< 1000; i
++) {
2130 if (!(ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_CR
) & CR_RST
))
2132 usleep_range(100, 400);
2136 static void set_tx_qlen(struct r8152
*tp
)
2138 struct net_device
*netdev
= tp
->netdev
;
2140 tp
->tx_qlen
= agg_buf_sz
/ (netdev
->mtu
+ VLAN_ETH_HLEN
+ VLAN_HLEN
+
2141 sizeof(struct tx_desc
));
2144 static inline u8
rtl8152_get_speed(struct r8152
*tp
)
2146 return ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_PHYSTATUS
);
2149 static void rtl_set_eee_plus(struct r8152
*tp
)
2154 speed
= rtl8152_get_speed(tp
);
2155 if (speed
& _10bps
) {
2156 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEEP_CR
);
2157 ocp_data
|= EEEP_CR_EEEP_TX
;
2158 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EEEP_CR
, ocp_data
);
2160 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEEP_CR
);
2161 ocp_data
&= ~EEEP_CR_EEEP_TX
;
2162 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EEEP_CR
, ocp_data
);
2166 static void rxdy_gated_en(struct r8152
*tp
, bool enable
)
2170 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_MISC_1
);
2172 ocp_data
|= RXDY_GATED_EN
;
2174 ocp_data
&= ~RXDY_GATED_EN
;
2175 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MISC_1
, ocp_data
);
2178 static int rtl_start_rx(struct r8152
*tp
)
2182 INIT_LIST_HEAD(&tp
->rx_done
);
2183 for (i
= 0; i
< RTL8152_MAX_RX
; i
++) {
2184 INIT_LIST_HEAD(&tp
->rx_info
[i
].list
);
2185 ret
= r8152_submit_rx(tp
, &tp
->rx_info
[i
], GFP_KERNEL
);
2190 if (ret
&& ++i
< RTL8152_MAX_RX
) {
2191 struct list_head rx_queue
;
2192 unsigned long flags
;
2194 INIT_LIST_HEAD(&rx_queue
);
2197 struct rx_agg
*agg
= &tp
->rx_info
[i
++];
2198 struct urb
*urb
= agg
->urb
;
2200 urb
->actual_length
= 0;
2201 list_add_tail(&agg
->list
, &rx_queue
);
2202 } while (i
< RTL8152_MAX_RX
);
2204 spin_lock_irqsave(&tp
->rx_lock
, flags
);
2205 list_splice_tail(&rx_queue
, &tp
->rx_done
);
2206 spin_unlock_irqrestore(&tp
->rx_lock
, flags
);
2212 static int rtl_stop_rx(struct r8152
*tp
)
2216 for (i
= 0; i
< RTL8152_MAX_RX
; i
++)
2217 usb_kill_urb(tp
->rx_info
[i
].urb
);
2219 while (!skb_queue_empty(&tp
->rx_queue
))
2220 dev_kfree_skb(__skb_dequeue(&tp
->rx_queue
));
2225 static int rtl_enable(struct r8152
*tp
)
2229 r8152b_reset_packet_filter(tp
);
2231 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_CR
);
2232 ocp_data
|= CR_RE
| CR_TE
;
2233 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CR
, ocp_data
);
2235 rxdy_gated_en(tp
, false);
2240 static int rtl8152_enable(struct r8152
*tp
)
2242 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
2246 rtl_set_eee_plus(tp
);
2248 return rtl_enable(tp
);
2251 static void r8153_set_rx_early_timeout(struct r8152
*tp
)
2253 u32 ocp_data
= tp
->coalesce
/ 8;
2255 ocp_write_word(tp
, MCU_TYPE_USB
, USB_RX_EARLY_TIMEOUT
, ocp_data
);
2258 static void r8153_set_rx_early_size(struct r8152
*tp
)
2260 u32 ocp_data
= (agg_buf_sz
- rx_reserved_size(tp
->netdev
->mtu
)) / 4;
2262 ocp_write_word(tp
, MCU_TYPE_USB
, USB_RX_EARLY_SIZE
, ocp_data
);
2265 static int rtl8153_enable(struct r8152
*tp
)
2267 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
2270 usb_disable_lpm(tp
->udev
);
2272 rtl_set_eee_plus(tp
);
2273 r8153_set_rx_early_timeout(tp
);
2274 r8153_set_rx_early_size(tp
);
2276 return rtl_enable(tp
);
2279 static void rtl_disable(struct r8152
*tp
)
2284 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
2285 rtl_drop_queued_tx(tp
);
2289 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
2290 ocp_data
&= ~RCR_ACPT_ALL
;
2291 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
2293 rtl_drop_queued_tx(tp
);
2295 for (i
= 0; i
< RTL8152_MAX_TX
; i
++)
2296 usb_kill_urb(tp
->tx_info
[i
].urb
);
2298 rxdy_gated_en(tp
, true);
2300 for (i
= 0; i
< 1000; i
++) {
2301 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2302 if ((ocp_data
& FIFO_EMPTY
) == FIFO_EMPTY
)
2304 usleep_range(1000, 2000);
2307 for (i
= 0; i
< 1000; i
++) {
2308 if (ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
) & TCR0_TX_EMPTY
)
2310 usleep_range(1000, 2000);
2315 rtl8152_nic_reset(tp
);
2318 static void r8152_power_cut_en(struct r8152
*tp
, bool enable
)
2322 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_UPS_CTRL
);
2324 ocp_data
|= POWER_CUT
;
2326 ocp_data
&= ~POWER_CUT
;
2327 ocp_write_word(tp
, MCU_TYPE_USB
, USB_UPS_CTRL
, ocp_data
);
2329 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_PM_CTRL_STATUS
);
2330 ocp_data
&= ~RESUME_INDICATE
;
2331 ocp_write_word(tp
, MCU_TYPE_USB
, USB_PM_CTRL_STATUS
, ocp_data
);
2334 static void rtl_rx_vlan_en(struct r8152
*tp
, bool enable
)
2338 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CPCR
);
2340 ocp_data
|= CPCR_RX_VLAN
;
2342 ocp_data
&= ~CPCR_RX_VLAN
;
2343 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CPCR
, ocp_data
);
2346 static int rtl8152_set_features(struct net_device
*dev
,
2347 netdev_features_t features
)
2349 netdev_features_t changed
= features
^ dev
->features
;
2350 struct r8152
*tp
= netdev_priv(dev
);
2353 ret
= usb_autopm_get_interface(tp
->intf
);
2357 mutex_lock(&tp
->control
);
2359 if (changed
& NETIF_F_HW_VLAN_CTAG_RX
) {
2360 if (features
& NETIF_F_HW_VLAN_CTAG_RX
)
2361 rtl_rx_vlan_en(tp
, true);
2363 rtl_rx_vlan_en(tp
, false);
2366 mutex_unlock(&tp
->control
);
2368 usb_autopm_put_interface(tp
->intf
);
2374 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
2376 static u32
__rtl_get_wol(struct r8152
*tp
)
2381 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
);
2382 if (ocp_data
& LINK_ON_WAKE_EN
)
2383 wolopts
|= WAKE_PHY
;
2385 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG5
);
2386 if (ocp_data
& UWF_EN
)
2387 wolopts
|= WAKE_UCAST
;
2388 if (ocp_data
& BWF_EN
)
2389 wolopts
|= WAKE_BCAST
;
2390 if (ocp_data
& MWF_EN
)
2391 wolopts
|= WAKE_MCAST
;
2393 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CFG_WOL
);
2394 if (ocp_data
& MAGIC_EN
)
2395 wolopts
|= WAKE_MAGIC
;
2400 static void __rtl_set_wol(struct r8152
*tp
, u32 wolopts
)
2404 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_CONFIG
);
2406 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
);
2407 ocp_data
&= ~LINK_ON_WAKE_EN
;
2408 if (wolopts
& WAKE_PHY
)
2409 ocp_data
|= LINK_ON_WAKE_EN
;
2410 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
, ocp_data
);
2412 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG5
);
2413 ocp_data
&= ~(UWF_EN
| BWF_EN
| MWF_EN
);
2414 if (wolopts
& WAKE_UCAST
)
2416 if (wolopts
& WAKE_BCAST
)
2418 if (wolopts
& WAKE_MCAST
)
2420 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG5
, ocp_data
);
2422 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
2424 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CFG_WOL
);
2425 ocp_data
&= ~MAGIC_EN
;
2426 if (wolopts
& WAKE_MAGIC
)
2427 ocp_data
|= MAGIC_EN
;
2428 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CFG_WOL
, ocp_data
);
2430 if (wolopts
& WAKE_ANY
)
2431 device_set_wakeup_enable(&tp
->udev
->dev
, true);
2433 device_set_wakeup_enable(&tp
->udev
->dev
, false);
2436 static void r8153_u1u2en(struct r8152
*tp
, bool enable
)
2441 memset(u1u2
, 0xff, sizeof(u1u2
));
2443 memset(u1u2
, 0x00, sizeof(u1u2
));
2445 usb_ocp_write(tp
, USB_TOLERANCE
, BYTE_EN_SIX_BYTES
, sizeof(u1u2
), u1u2
);
2448 static void r8153_u2p3en(struct r8152
*tp
, bool enable
)
2452 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_U2P3_CTRL
);
2453 if (enable
&& tp
->version
!= RTL_VER_03
&& tp
->version
!= RTL_VER_04
)
2454 ocp_data
|= U2P3_ENABLE
;
2456 ocp_data
&= ~U2P3_ENABLE
;
2457 ocp_write_word(tp
, MCU_TYPE_USB
, USB_U2P3_CTRL
, ocp_data
);
2460 static void r8153_power_cut_en(struct r8152
*tp
, bool enable
)
2464 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_POWER_CUT
);
2466 ocp_data
|= PWR_EN
| PHASE2_EN
;
2468 ocp_data
&= ~(PWR_EN
| PHASE2_EN
);
2469 ocp_write_word(tp
, MCU_TYPE_USB
, USB_POWER_CUT
, ocp_data
);
2471 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_MISC_0
);
2472 ocp_data
&= ~PCUT_STATUS
;
2473 ocp_write_word(tp
, MCU_TYPE_USB
, USB_MISC_0
, ocp_data
);
2476 static bool rtl_can_wakeup(struct r8152
*tp
)
2478 struct usb_device
*udev
= tp
->udev
;
2480 return (udev
->actconfig
->desc
.bmAttributes
& USB_CONFIG_ATT_WAKEUP
);
2483 static void rtl_runtime_suspend_enable(struct r8152
*tp
, bool enable
)
2488 __rtl_set_wol(tp
, WAKE_ANY
);
2490 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_CONFIG
);
2492 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
);
2493 ocp_data
|= LINK_OFF_WAKE_EN
;
2494 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
, ocp_data
);
2496 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
2500 __rtl_set_wol(tp
, tp
->saved_wolopts
);
2502 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_CONFIG
);
2504 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
);
2505 ocp_data
&= ~LINK_OFF_WAKE_EN
;
2506 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_CONFIG34
, ocp_data
);
2508 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
2512 static void rtl8153_runtime_enable(struct r8152
*tp
, bool enable
)
2514 rtl_runtime_suspend_enable(tp
, enable
);
2517 r8153_u1u2en(tp
, false);
2518 r8153_u2p3en(tp
, false);
2520 r8153_u2p3en(tp
, true);
2521 r8153_u1u2en(tp
, true);
2525 static void r8153_teredo_off(struct r8152
*tp
)
2529 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
);
2530 ocp_data
&= ~(TEREDO_SEL
| TEREDO_RS_EVENT_MASK
| OOB_TEREDO_EN
);
2531 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
, ocp_data
);
2533 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_WDT6_CTRL
, WDT6_SET_MODE
);
2534 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_REALWOW_TIMER
, 0);
2535 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_TEREDO_TIMER
, 0);
2538 static void rtl_reset_bmu(struct r8152
*tp
)
2542 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_BMU_RESET
);
2543 ocp_data
&= ~(BMU_RESET_EP_IN
| BMU_RESET_EP_OUT
);
2544 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_BMU_RESET
, ocp_data
);
2545 ocp_data
|= BMU_RESET_EP_IN
| BMU_RESET_EP_OUT
;
2546 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_BMU_RESET
, ocp_data
);
2549 static void r8152_aldps_en(struct r8152
*tp
, bool enable
)
2552 ocp_reg_write(tp
, OCP_ALDPS_CONFIG
, ENPWRSAVE
| ENPDNPS
|
2553 LINKENA
| DIS_SDSAVE
);
2555 ocp_reg_write(tp
, OCP_ALDPS_CONFIG
, ENPDNPS
| LINKENA
|
2561 static inline void r8152_mmd_indirect(struct r8152
*tp
, u16 dev
, u16 reg
)
2563 ocp_reg_write(tp
, OCP_EEE_AR
, FUN_ADDR
| dev
);
2564 ocp_reg_write(tp
, OCP_EEE_DATA
, reg
);
2565 ocp_reg_write(tp
, OCP_EEE_AR
, FUN_DATA
| dev
);
2568 static u16
r8152_mmd_read(struct r8152
*tp
, u16 dev
, u16 reg
)
2572 r8152_mmd_indirect(tp
, dev
, reg
);
2573 data
= ocp_reg_read(tp
, OCP_EEE_DATA
);
2574 ocp_reg_write(tp
, OCP_EEE_AR
, 0x0000);
2579 static void r8152_mmd_write(struct r8152
*tp
, u16 dev
, u16 reg
, u16 data
)
2581 r8152_mmd_indirect(tp
, dev
, reg
);
2582 ocp_reg_write(tp
, OCP_EEE_DATA
, data
);
2583 ocp_reg_write(tp
, OCP_EEE_AR
, 0x0000);
2586 static void r8152_eee_en(struct r8152
*tp
, bool enable
)
2588 u16 config1
, config2
, config3
;
2591 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
);
2592 config1
= ocp_reg_read(tp
, OCP_EEE_CONFIG1
) & ~sd_rise_time_mask
;
2593 config2
= ocp_reg_read(tp
, OCP_EEE_CONFIG2
);
2594 config3
= ocp_reg_read(tp
, OCP_EEE_CONFIG3
) & ~fast_snr_mask
;
2597 ocp_data
|= EEE_RX_EN
| EEE_TX_EN
;
2598 config1
|= EEE_10_CAP
| EEE_NWAY_EN
| TX_QUIET_EN
| RX_QUIET_EN
;
2599 config1
|= sd_rise_time(1);
2600 config2
|= RG_DACQUIET_EN
| RG_LDVQUIET_EN
;
2601 config3
|= fast_snr(42);
2603 ocp_data
&= ~(EEE_RX_EN
| EEE_TX_EN
);
2604 config1
&= ~(EEE_10_CAP
| EEE_NWAY_EN
| TX_QUIET_EN
|
2606 config1
|= sd_rise_time(7);
2607 config2
&= ~(RG_DACQUIET_EN
| RG_LDVQUIET_EN
);
2608 config3
|= fast_snr(511);
2611 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
, ocp_data
);
2612 ocp_reg_write(tp
, OCP_EEE_CONFIG1
, config1
);
2613 ocp_reg_write(tp
, OCP_EEE_CONFIG2
, config2
);
2614 ocp_reg_write(tp
, OCP_EEE_CONFIG3
, config3
);
2617 static void r8152b_enable_eee(struct r8152
*tp
)
2619 r8152_eee_en(tp
, true);
2620 r8152_mmd_write(tp
, MDIO_MMD_AN
, MDIO_AN_EEE_ADV
, MDIO_EEE_100TX
);
2623 static void r8152b_enable_fc(struct r8152
*tp
)
2627 anar
= r8152_mdio_read(tp
, MII_ADVERTISE
);
2628 anar
|= ADVERTISE_PAUSE_CAP
| ADVERTISE_PAUSE_ASYM
;
2629 r8152_mdio_write(tp
, MII_ADVERTISE
, anar
);
2632 static void rtl8152_disable(struct r8152
*tp
)
2634 r8152_aldps_en(tp
, false);
2636 r8152_aldps_en(tp
, true);
2639 static void r8152b_hw_phy_cfg(struct r8152
*tp
)
2641 r8152b_enable_eee(tp
);
2642 r8152_aldps_en(tp
, true);
2643 r8152b_enable_fc(tp
);
2645 set_bit(PHY_RESET
, &tp
->flags
);
2648 static void r8152b_exit_oob(struct r8152
*tp
)
2653 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
2654 ocp_data
&= ~RCR_ACPT_ALL
;
2655 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
2657 rxdy_gated_en(tp
, true);
2658 r8153_teredo_off(tp
);
2659 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CRWECR
, CRWECR_NORAML
);
2660 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_CR
, 0x00);
2662 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2663 ocp_data
&= ~NOW_IS_OOB
;
2664 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
2666 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
2667 ocp_data
&= ~MCU_BORW_EN
;
2668 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
2670 for (i
= 0; i
< 1000; i
++) {
2671 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2672 if (ocp_data
& LINK_LIST_READY
)
2674 usleep_range(1000, 2000);
2677 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
2678 ocp_data
|= RE_INIT_LL
;
2679 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
2681 for (i
= 0; i
< 1000; i
++) {
2682 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2683 if (ocp_data
& LINK_LIST_READY
)
2685 usleep_range(1000, 2000);
2688 rtl8152_nic_reset(tp
);
2690 /* rx share fifo credit full threshold */
2691 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL0
, RXFIFO_THR1_NORMAL
);
2693 if (tp
->udev
->speed
== USB_SPEED_FULL
||
2694 tp
->udev
->speed
== USB_SPEED_LOW
) {
2695 /* rx share fifo credit near full threshold */
2696 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL1
,
2698 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL2
,
2701 /* rx share fifo credit near full threshold */
2702 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL1
,
2704 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL2
,
2708 /* TX share fifo free credit full threshold */
2709 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_TXFIFO_CTRL
, TXFIFO_THR_NORMAL
);
2711 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_TX_AGG
, TX_AGG_MAX_THRESHOLD
);
2712 ocp_write_dword(tp
, MCU_TYPE_USB
, USB_RX_BUF_TH
, RX_THR_HIGH
);
2713 ocp_write_dword(tp
, MCU_TYPE_USB
, USB_TX_DMA
,
2714 TEST_MODE_DISABLE
| TX_SIZE_ADJUST1
);
2716 rtl_rx_vlan_en(tp
, tp
->netdev
->features
& NETIF_F_HW_VLAN_CTAG_RX
);
2718 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, RTL8152_RMS
);
2720 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
);
2721 ocp_data
|= TCR0_AUTO_FIFO
;
2722 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
, ocp_data
);
2725 static void r8152b_enter_oob(struct r8152
*tp
)
2730 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2731 ocp_data
&= ~NOW_IS_OOB
;
2732 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
2734 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL0
, RXFIFO_THR1_OOB
);
2735 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL1
, RXFIFO_THR2_OOB
);
2736 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL2
, RXFIFO_THR3_OOB
);
2740 for (i
= 0; i
< 1000; i
++) {
2741 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2742 if (ocp_data
& LINK_LIST_READY
)
2744 usleep_range(1000, 2000);
2747 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
2748 ocp_data
|= RE_INIT_LL
;
2749 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
2751 for (i
= 0; i
< 1000; i
++) {
2752 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2753 if (ocp_data
& LINK_LIST_READY
)
2755 usleep_range(1000, 2000);
2758 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, RTL8152_RMS
);
2760 rtl_rx_vlan_en(tp
, true);
2762 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PAL_BDC_CR
);
2763 ocp_data
|= ALDPS_PROXY_MODE
;
2764 ocp_write_word(tp
, MCU_TYPE_PLA
, PAL_BDC_CR
, ocp_data
);
2766 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2767 ocp_data
|= NOW_IS_OOB
| DIS_MCU_CLROOB
;
2768 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
2770 rxdy_gated_en(tp
, false);
2772 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
2773 ocp_data
|= RCR_APM
| RCR_AM
| RCR_AB
;
2774 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
2777 static void r8153_aldps_en(struct r8152
*tp
, bool enable
)
2781 data
= ocp_reg_read(tp
, OCP_POWER_CFG
);
2784 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
2787 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
2792 static void r8153_eee_en(struct r8152
*tp
, bool enable
)
2797 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
);
2798 config
= ocp_reg_read(tp
, OCP_EEE_CFG
);
2801 ocp_data
|= EEE_RX_EN
| EEE_TX_EN
;
2804 ocp_data
&= ~(EEE_RX_EN
| EEE_TX_EN
);
2805 config
&= ~EEE10_EN
;
2808 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
, ocp_data
);
2809 ocp_reg_write(tp
, OCP_EEE_CFG
, config
);
2812 static void r8153_hw_phy_cfg(struct r8152
*tp
)
2817 /* disable ALDPS before updating the PHY parameters */
2818 r8153_aldps_en(tp
, false);
2820 /* disable EEE before updating the PHY parameters */
2821 r8153_eee_en(tp
, false);
2822 ocp_reg_write(tp
, OCP_EEE_ADV
, 0);
2824 if (tp
->version
== RTL_VER_03
) {
2825 data
= ocp_reg_read(tp
, OCP_EEE_CFG
);
2826 data
&= ~CTAP_SHORT_EN
;
2827 ocp_reg_write(tp
, OCP_EEE_CFG
, data
);
2830 data
= ocp_reg_read(tp
, OCP_POWER_CFG
);
2831 data
|= EEE_CLKDIV_EN
;
2832 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
2834 data
= ocp_reg_read(tp
, OCP_DOWN_SPEED
);
2835 data
|= EN_10M_BGOFF
;
2836 ocp_reg_write(tp
, OCP_DOWN_SPEED
, data
);
2837 data
= ocp_reg_read(tp
, OCP_POWER_CFG
);
2838 data
|= EN_10M_PLLOFF
;
2839 ocp_reg_write(tp
, OCP_POWER_CFG
, data
);
2840 sram_write(tp
, SRAM_IMPEDANCE
, 0x0b13);
2842 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
);
2843 ocp_data
|= PFM_PWM_SWITCH
;
2844 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
, ocp_data
);
2846 /* Enable LPF corner auto tune */
2847 sram_write(tp
, SRAM_LPF_CFG
, 0xf70f);
2849 /* Adjust 10M Amplitude */
2850 sram_write(tp
, SRAM_10M_AMP1
, 0x00af);
2851 sram_write(tp
, SRAM_10M_AMP2
, 0x0208);
2853 r8153_eee_en(tp
, true);
2854 ocp_reg_write(tp
, OCP_EEE_ADV
, MDIO_EEE_1000T
| MDIO_EEE_100TX
);
2856 r8153_aldps_en(tp
, true);
2857 r8152b_enable_fc(tp
);
2859 set_bit(PHY_RESET
, &tp
->flags
);
2862 static void r8153_first_init(struct r8152
*tp
)
2867 rxdy_gated_en(tp
, true);
2868 r8153_teredo_off(tp
);
2870 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
2871 ocp_data
&= ~RCR_ACPT_ALL
;
2872 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
2874 rtl8152_nic_reset(tp
);
2877 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2878 ocp_data
&= ~NOW_IS_OOB
;
2879 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
2881 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
2882 ocp_data
&= ~MCU_BORW_EN
;
2883 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
2885 for (i
= 0; i
< 1000; i
++) {
2886 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2887 if (ocp_data
& LINK_LIST_READY
)
2889 usleep_range(1000, 2000);
2892 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
2893 ocp_data
|= RE_INIT_LL
;
2894 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
2896 for (i
= 0; i
< 1000; i
++) {
2897 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2898 if (ocp_data
& LINK_LIST_READY
)
2900 usleep_range(1000, 2000);
2903 rtl_rx_vlan_en(tp
, tp
->netdev
->features
& NETIF_F_HW_VLAN_CTAG_RX
);
2905 ocp_data
= tp
->netdev
->mtu
+ VLAN_ETH_HLEN
+ CRC_SIZE
;
2906 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, ocp_data
);
2907 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_MTPS
, MTPS_JUMBO
);
2909 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
);
2910 ocp_data
|= TCR0_AUTO_FIFO
;
2911 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TCR0
, ocp_data
);
2913 rtl8152_nic_reset(tp
);
2915 /* rx share fifo credit full threshold */
2916 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL0
, RXFIFO_THR1_NORMAL
);
2917 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL1
, RXFIFO_THR2_NORMAL
);
2918 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RXFIFO_CTRL2
, RXFIFO_THR3_NORMAL
);
2919 /* TX share fifo free credit full threshold */
2920 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_TXFIFO_CTRL
, TXFIFO_THR_NORMAL2
);
2922 /* rx aggregation */
2923 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
);
2924 ocp_data
&= ~(RX_AGG_DISABLE
| RX_ZERO_EN
);
2925 ocp_write_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
, ocp_data
);
2928 static void r8153_enter_oob(struct r8152
*tp
)
2933 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2934 ocp_data
&= ~NOW_IS_OOB
;
2935 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
2940 for (i
= 0; i
< 1000; i
++) {
2941 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2942 if (ocp_data
& LINK_LIST_READY
)
2944 usleep_range(1000, 2000);
2947 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
);
2948 ocp_data
|= RE_INIT_LL
;
2949 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_SFF_STS_7
, ocp_data
);
2951 for (i
= 0; i
< 1000; i
++) {
2952 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2953 if (ocp_data
& LINK_LIST_READY
)
2955 usleep_range(1000, 2000);
2958 ocp_data
= tp
->netdev
->mtu
+ VLAN_ETH_HLEN
+ CRC_SIZE
;
2959 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, ocp_data
);
2961 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
);
2962 ocp_data
&= ~TEREDO_WAKE_MASK
;
2963 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_TEREDO_CFG
, ocp_data
);
2965 rtl_rx_vlan_en(tp
, true);
2967 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PAL_BDC_CR
);
2968 ocp_data
|= ALDPS_PROXY_MODE
;
2969 ocp_write_word(tp
, MCU_TYPE_PLA
, PAL_BDC_CR
, ocp_data
);
2971 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
);
2972 ocp_data
|= NOW_IS_OOB
| DIS_MCU_CLROOB
;
2973 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_OOB_CTRL
, ocp_data
);
2975 rxdy_gated_en(tp
, false);
2977 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
2978 ocp_data
|= RCR_APM
| RCR_AM
| RCR_AB
;
2979 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
2982 static void rtl8153_disable(struct r8152
*tp
)
2984 r8153_aldps_en(tp
, false);
2987 r8153_aldps_en(tp
, true);
2988 usb_enable_lpm(tp
->udev
);
2991 static int rtl8152_set_speed(struct r8152
*tp
, u8 autoneg
, u16 speed
, u8 duplex
)
2993 u16 bmcr
, anar
, gbcr
;
2996 anar
= r8152_mdio_read(tp
, MII_ADVERTISE
);
2997 anar
&= ~(ADVERTISE_10HALF
| ADVERTISE_10FULL
|
2998 ADVERTISE_100HALF
| ADVERTISE_100FULL
);
2999 if (tp
->mii
.supports_gmii
) {
3000 gbcr
= r8152_mdio_read(tp
, MII_CTRL1000
);
3001 gbcr
&= ~(ADVERTISE_1000FULL
| ADVERTISE_1000HALF
);
3006 if (autoneg
== AUTONEG_DISABLE
) {
3007 if (speed
== SPEED_10
) {
3009 anar
|= ADVERTISE_10HALF
| ADVERTISE_10FULL
;
3010 } else if (speed
== SPEED_100
) {
3011 bmcr
= BMCR_SPEED100
;
3012 anar
|= ADVERTISE_100HALF
| ADVERTISE_100FULL
;
3013 } else if (speed
== SPEED_1000
&& tp
->mii
.supports_gmii
) {
3014 bmcr
= BMCR_SPEED1000
;
3015 gbcr
|= ADVERTISE_1000FULL
| ADVERTISE_1000HALF
;
3021 if (duplex
== DUPLEX_FULL
)
3022 bmcr
|= BMCR_FULLDPLX
;
3024 if (speed
== SPEED_10
) {
3025 if (duplex
== DUPLEX_FULL
)
3026 anar
|= ADVERTISE_10HALF
| ADVERTISE_10FULL
;
3028 anar
|= ADVERTISE_10HALF
;
3029 } else if (speed
== SPEED_100
) {
3030 if (duplex
== DUPLEX_FULL
) {
3031 anar
|= ADVERTISE_10HALF
| ADVERTISE_10FULL
;
3032 anar
|= ADVERTISE_100HALF
| ADVERTISE_100FULL
;
3034 anar
|= ADVERTISE_10HALF
;
3035 anar
|= ADVERTISE_100HALF
;
3037 } else if (speed
== SPEED_1000
&& tp
->mii
.supports_gmii
) {
3038 if (duplex
== DUPLEX_FULL
) {
3039 anar
|= ADVERTISE_10HALF
| ADVERTISE_10FULL
;
3040 anar
|= ADVERTISE_100HALF
| ADVERTISE_100FULL
;
3041 gbcr
|= ADVERTISE_1000FULL
| ADVERTISE_1000HALF
;
3043 anar
|= ADVERTISE_10HALF
;
3044 anar
|= ADVERTISE_100HALF
;
3045 gbcr
|= ADVERTISE_1000HALF
;
3052 bmcr
= BMCR_ANENABLE
| BMCR_ANRESTART
;
3055 if (test_and_clear_bit(PHY_RESET
, &tp
->flags
))
3058 if (tp
->mii
.supports_gmii
)
3059 r8152_mdio_write(tp
, MII_CTRL1000
, gbcr
);
3061 r8152_mdio_write(tp
, MII_ADVERTISE
, anar
);
3062 r8152_mdio_write(tp
, MII_BMCR
, bmcr
);
3064 if (bmcr
& BMCR_RESET
) {
3067 for (i
= 0; i
< 50; i
++) {
3069 if ((r8152_mdio_read(tp
, MII_BMCR
) & BMCR_RESET
) == 0)
3078 static void rtl8152_up(struct r8152
*tp
)
3080 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3083 r8152_aldps_en(tp
, false);
3084 r8152b_exit_oob(tp
);
3085 r8152_aldps_en(tp
, true);
3088 static void rtl8152_down(struct r8152
*tp
)
3090 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
3091 rtl_drop_queued_tx(tp
);
3095 r8152_power_cut_en(tp
, false);
3096 r8152_aldps_en(tp
, false);
3097 r8152b_enter_oob(tp
);
3098 r8152_aldps_en(tp
, true);
3101 static void rtl8153_up(struct r8152
*tp
)
3103 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3106 r8153_u1u2en(tp
, false);
3107 r8153_aldps_en(tp
, false);
3108 r8153_first_init(tp
);
3109 r8153_aldps_en(tp
, true);
3110 r8153_u2p3en(tp
, true);
3111 r8153_u1u2en(tp
, true);
3112 usb_enable_lpm(tp
->udev
);
3115 static void rtl8153_down(struct r8152
*tp
)
3117 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
3118 rtl_drop_queued_tx(tp
);
3122 r8153_u1u2en(tp
, false);
3123 r8153_u2p3en(tp
, false);
3124 r8153_power_cut_en(tp
, false);
3125 r8153_aldps_en(tp
, false);
3126 r8153_enter_oob(tp
);
3127 r8153_aldps_en(tp
, true);
3130 static bool rtl8152_in_nway(struct r8152
*tp
)
3134 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_OCP_GPHY_BASE
, 0x2000);
3135 tp
->ocp_base
= 0x2000;
3136 ocp_write_byte(tp
, MCU_TYPE_PLA
, 0xb014, 0x4c); /* phy state */
3137 nway_state
= ocp_read_word(tp
, MCU_TYPE_PLA
, 0xb01a);
3139 /* bit 15: TXDIS_STATE, bit 14: ABD_STATE */
3140 if (nway_state
& 0xc000)
3146 static bool rtl8153_in_nway(struct r8152
*tp
)
3148 u16 phy_state
= ocp_reg_read(tp
, OCP_PHY_STATE
) & 0xff;
3150 if (phy_state
== TXDIS_STATE
|| phy_state
== ABD_STATE
)
3156 static void set_carrier(struct r8152
*tp
)
3158 struct net_device
*netdev
= tp
->netdev
;
3161 speed
= rtl8152_get_speed(tp
);
3163 if (speed
& LINK_STATUS
) {
3164 if (!netif_carrier_ok(netdev
)) {
3165 tp
->rtl_ops
.enable(tp
);
3166 set_bit(RTL8152_SET_RX_MODE
, &tp
->flags
);
3167 netif_stop_queue(netdev
);
3168 napi_disable(&tp
->napi
);
3169 netif_carrier_on(netdev
);
3171 napi_enable(&tp
->napi
);
3172 netif_wake_queue(netdev
);
3173 netif_info(tp
, link
, netdev
, "carrier on\n");
3174 } else if (netif_queue_stopped(netdev
) &&
3175 skb_queue_len(&tp
->tx_queue
) < tp
->tx_qlen
) {
3176 netif_wake_queue(netdev
);
3179 if (netif_carrier_ok(netdev
)) {
3180 netif_carrier_off(netdev
);
3181 napi_disable(&tp
->napi
);
3182 tp
->rtl_ops
.disable(tp
);
3183 napi_enable(&tp
->napi
);
3184 netif_info(tp
, link
, netdev
, "carrier off\n");
3189 static void rtl_work_func_t(struct work_struct
*work
)
3191 struct r8152
*tp
= container_of(work
, struct r8152
, schedule
.work
);
3193 /* If the device is unplugged or !netif_running(), the workqueue
3194 * doesn't need to wake the device, and could return directly.
3196 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
) || !netif_running(tp
->netdev
))
3199 if (usb_autopm_get_interface(tp
->intf
) < 0)
3202 if (!test_bit(WORK_ENABLE
, &tp
->flags
))
3205 if (!mutex_trylock(&tp
->control
)) {
3206 schedule_delayed_work(&tp
->schedule
, 0);
3210 if (test_and_clear_bit(RTL8152_LINK_CHG
, &tp
->flags
))
3213 if (test_and_clear_bit(RTL8152_SET_RX_MODE
, &tp
->flags
))
3214 _rtl8152_set_rx_mode(tp
->netdev
);
3216 /* don't schedule napi before linking */
3217 if (test_and_clear_bit(SCHEDULE_NAPI
, &tp
->flags
) &&
3218 netif_carrier_ok(tp
->netdev
))
3219 napi_schedule(&tp
->napi
);
3221 mutex_unlock(&tp
->control
);
3224 usb_autopm_put_interface(tp
->intf
);
3227 static void rtl_hw_phy_work_func_t(struct work_struct
*work
)
3229 struct r8152
*tp
= container_of(work
, struct r8152
, hw_phy_work
.work
);
3231 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3234 if (usb_autopm_get_interface(tp
->intf
) < 0)
3237 mutex_lock(&tp
->control
);
3239 tp
->rtl_ops
.hw_phy_cfg(tp
);
3241 rtl8152_set_speed(tp
, tp
->autoneg
, tp
->speed
, tp
->duplex
);
3243 mutex_unlock(&tp
->control
);
3245 usb_autopm_put_interface(tp
->intf
);
3248 #ifdef CONFIG_PM_SLEEP
3249 static int rtl_notifier(struct notifier_block
*nb
, unsigned long action
,
3252 struct r8152
*tp
= container_of(nb
, struct r8152
, pm_notifier
);
3255 case PM_HIBERNATION_PREPARE
:
3256 case PM_SUSPEND_PREPARE
:
3257 usb_autopm_get_interface(tp
->intf
);
3260 case PM_POST_HIBERNATION
:
3261 case PM_POST_SUSPEND
:
3262 usb_autopm_put_interface(tp
->intf
);
3265 case PM_POST_RESTORE
:
3266 case PM_RESTORE_PREPARE
:
3275 static int rtl8152_open(struct net_device
*netdev
)
3277 struct r8152
*tp
= netdev_priv(netdev
);
3280 res
= alloc_all_mem(tp
);
3284 res
= usb_autopm_get_interface(tp
->intf
);
3288 mutex_lock(&tp
->control
);
3292 netif_carrier_off(netdev
);
3293 netif_start_queue(netdev
);
3294 set_bit(WORK_ENABLE
, &tp
->flags
);
3296 res
= usb_submit_urb(tp
->intr_urb
, GFP_KERNEL
);
3299 netif_device_detach(tp
->netdev
);
3300 netif_warn(tp
, ifup
, netdev
, "intr_urb submit failed: %d\n",
3304 napi_enable(&tp
->napi
);
3306 mutex_unlock(&tp
->control
);
3308 usb_autopm_put_interface(tp
->intf
);
3309 #ifdef CONFIG_PM_SLEEP
3310 tp
->pm_notifier
.notifier_call
= rtl_notifier
;
3311 register_pm_notifier(&tp
->pm_notifier
);
3316 mutex_unlock(&tp
->control
);
3317 usb_autopm_put_interface(tp
->intf
);
3324 static int rtl8152_close(struct net_device
*netdev
)
3326 struct r8152
*tp
= netdev_priv(netdev
);
3329 #ifdef CONFIG_PM_SLEEP
3330 unregister_pm_notifier(&tp
->pm_notifier
);
3332 napi_disable(&tp
->napi
);
3333 clear_bit(WORK_ENABLE
, &tp
->flags
);
3334 usb_kill_urb(tp
->intr_urb
);
3335 cancel_delayed_work_sync(&tp
->schedule
);
3336 netif_stop_queue(netdev
);
3338 res
= usb_autopm_get_interface(tp
->intf
);
3339 if (res
< 0 || test_bit(RTL8152_UNPLUG
, &tp
->flags
)) {
3340 rtl_drop_queued_tx(tp
);
3343 mutex_lock(&tp
->control
);
3345 tp
->rtl_ops
.down(tp
);
3347 mutex_unlock(&tp
->control
);
3349 usb_autopm_put_interface(tp
->intf
);
3357 static void rtl_tally_reset(struct r8152
*tp
)
3361 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_RSTTALLY
);
3362 ocp_data
|= TALLY_RESET
;
3363 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RSTTALLY
, ocp_data
);
3366 static void r8152b_init(struct r8152
*tp
)
3371 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3374 data
= r8152_mdio_read(tp
, MII_BMCR
);
3375 if (data
& BMCR_PDOWN
) {
3376 data
&= ~BMCR_PDOWN
;
3377 r8152_mdio_write(tp
, MII_BMCR
, data
);
3380 r8152_aldps_en(tp
, false);
3382 if (tp
->version
== RTL_VER_01
) {
3383 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_LED_FEATURE
);
3384 ocp_data
&= ~LED_MODE_MASK
;
3385 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_LED_FEATURE
, ocp_data
);
3388 r8152_power_cut_en(tp
, false);
3390 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
);
3391 ocp_data
|= TX_10M_IDLE_EN
| PFM_PWM_SWITCH
;
3392 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_PHY_PWR
, ocp_data
);
3393 ocp_data
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL
);
3394 ocp_data
&= ~MCU_CLK_RATIO_MASK
;
3395 ocp_data
|= MCU_CLK_RATIO
| D3_CLK_GATED_EN
;
3396 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL
, ocp_data
);
3397 ocp_data
= GPHY_STS_MSK
| SPEED_DOWN_MSK
|
3398 SPDWN_RXDV_MSK
| SPDWN_LINKCHG_MSK
;
3399 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_GPHY_INTR_IMR
, ocp_data
);
3401 rtl_tally_reset(tp
);
3403 /* enable rx aggregation */
3404 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
);
3405 ocp_data
&= ~(RX_AGG_DISABLE
| RX_ZERO_EN
);
3406 ocp_write_word(tp
, MCU_TYPE_USB
, USB_USB_CTRL
, ocp_data
);
3409 static void r8153_init(struct r8152
*tp
)
3415 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
3418 r8153_u1u2en(tp
, false);
3420 for (i
= 0; i
< 500; i
++) {
3421 if (ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_BOOT_CTRL
) &
3427 for (i
= 0; i
< 500; i
++) {
3428 ocp_data
= ocp_reg_read(tp
, OCP_PHY_STATUS
) & PHY_STAT_MASK
;
3429 if (ocp_data
== PHY_STAT_LAN_ON
|| ocp_data
== PHY_STAT_PWRDN
)
3434 if (tp
->version
== RTL_VER_03
|| tp
->version
== RTL_VER_04
||
3435 tp
->version
== RTL_VER_05
)
3436 ocp_reg_write(tp
, OCP_ADC_CFG
, CKADSEL_L
| ADC_EN
| EN_EMI_L
);
3438 data
= r8152_mdio_read(tp
, MII_BMCR
);
3439 if (data
& BMCR_PDOWN
) {
3440 data
&= ~BMCR_PDOWN
;
3441 r8152_mdio_write(tp
, MII_BMCR
, data
);
3444 for (i
= 0; i
< 500; i
++) {
3445 ocp_data
= ocp_reg_read(tp
, OCP_PHY_STATUS
) & PHY_STAT_MASK
;
3446 if (ocp_data
== PHY_STAT_LAN_ON
)
3451 usb_disable_lpm(tp
->udev
);
3452 r8153_u2p3en(tp
, false);
3454 if (tp
->version
== RTL_VER_04
) {
3455 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_SSPHYLINK2
);
3456 ocp_data
&= ~pwd_dn_scale_mask
;
3457 ocp_data
|= pwd_dn_scale(96);
3458 ocp_write_word(tp
, MCU_TYPE_USB
, USB_SSPHYLINK2
, ocp_data
);
3460 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_USB2PHY
);
3461 ocp_data
|= USB2PHY_L1
| USB2PHY_SUSPEND
;
3462 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_USB2PHY
, ocp_data
);
3463 } else if (tp
->version
== RTL_VER_05
) {
3464 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
, PLA_DMY_REG0
);
3465 ocp_data
&= ~ECM_ALDPS
;
3466 ocp_write_byte(tp
, MCU_TYPE_PLA
, PLA_DMY_REG0
, ocp_data
);
3468 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY1
);
3469 if (ocp_read_word(tp
, MCU_TYPE_USB
, USB_BURST_SIZE
) == 0)
3470 ocp_data
&= ~DYNAMIC_BURST
;
3472 ocp_data
|= DYNAMIC_BURST
;
3473 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY1
, ocp_data
);
3474 } else if (tp
->version
== RTL_VER_06
) {
3475 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY1
);
3476 if (ocp_read_word(tp
, MCU_TYPE_USB
, USB_BURST_SIZE
) == 0)
3477 ocp_data
&= ~DYNAMIC_BURST
;
3479 ocp_data
|= DYNAMIC_BURST
;
3480 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY1
, ocp_data
);
3483 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY2
);
3484 ocp_data
|= EP4_FULL_FC
;
3485 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_CSR_DUMMY2
, ocp_data
);
3487 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_WDT11_CTRL
);
3488 ocp_data
&= ~TIMER11_EN
;
3489 ocp_write_word(tp
, MCU_TYPE_USB
, USB_WDT11_CTRL
, ocp_data
);
3491 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_LED_FEATURE
);
3492 ocp_data
&= ~LED_MODE_MASK
;
3493 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_LED_FEATURE
, ocp_data
);
3495 ocp_data
= FIFO_EMPTY_1FB
| ROK_EXIT_LPM
;
3496 if (tp
->version
== RTL_VER_04
&& tp
->udev
->speed
< USB_SPEED_SUPER
)
3497 ocp_data
|= LPM_TIMER_500MS
;
3499 ocp_data
|= LPM_TIMER_500US
;
3500 ocp_write_byte(tp
, MCU_TYPE_USB
, USB_LPM_CTRL
, ocp_data
);
3502 ocp_data
= ocp_read_word(tp
, MCU_TYPE_USB
, USB_AFE_CTRL2
);
3503 ocp_data
&= ~SEN_VAL_MASK
;
3504 ocp_data
|= SEN_VAL_NORMAL
| SEL_RXIDLE
;
3505 ocp_write_word(tp
, MCU_TYPE_USB
, USB_AFE_CTRL2
, ocp_data
);
3507 ocp_write_word(tp
, MCU_TYPE_USB
, USB_CONNECT_TIMER
, 0x0001);
3509 r8153_power_cut_en(tp
, false);
3510 r8153_u1u2en(tp
, true);
3512 /* MAC clock speed down */
3513 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL
, 0);
3514 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL2
, 0);
3515 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL3
, 0);
3516 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_MAC_PWR_CTRL4
, 0);
3518 rtl_tally_reset(tp
);
3519 r8153_u2p3en(tp
, true);
3522 static int rtl8152_pre_reset(struct usb_interface
*intf
)
3524 struct r8152
*tp
= usb_get_intfdata(intf
);
3525 struct net_device
*netdev
;
3530 netdev
= tp
->netdev
;
3531 if (!netif_running(netdev
))
3534 netif_stop_queue(netdev
);
3535 napi_disable(&tp
->napi
);
3536 clear_bit(WORK_ENABLE
, &tp
->flags
);
3537 usb_kill_urb(tp
->intr_urb
);
3538 cancel_delayed_work_sync(&tp
->schedule
);
3539 if (netif_carrier_ok(netdev
)) {
3540 mutex_lock(&tp
->control
);
3541 tp
->rtl_ops
.disable(tp
);
3542 mutex_unlock(&tp
->control
);
3548 static int rtl8152_post_reset(struct usb_interface
*intf
)
3550 struct r8152
*tp
= usb_get_intfdata(intf
);
3551 struct net_device
*netdev
;
3556 netdev
= tp
->netdev
;
3557 if (!netif_running(netdev
))
3560 set_bit(WORK_ENABLE
, &tp
->flags
);
3561 if (netif_carrier_ok(netdev
)) {
3562 mutex_lock(&tp
->control
);
3563 tp
->rtl_ops
.enable(tp
);
3565 rtl8152_set_rx_mode(netdev
);
3566 mutex_unlock(&tp
->control
);
3569 napi_enable(&tp
->napi
);
3570 netif_wake_queue(netdev
);
3571 usb_submit_urb(tp
->intr_urb
, GFP_KERNEL
);
3573 if (!list_empty(&tp
->rx_done
))
3574 napi_schedule(&tp
->napi
);
3579 static bool delay_autosuspend(struct r8152
*tp
)
3581 bool sw_linking
= !!netif_carrier_ok(tp
->netdev
);
3582 bool hw_linking
= !!(rtl8152_get_speed(tp
) & LINK_STATUS
);
3584 /* This means a linking change occurs and the driver doesn't detect it,
3585 * yet. If the driver has disabled tx/rx and hw is linking on, the
3586 * device wouldn't wake up by receiving any packet.
3588 if (work_busy(&tp
->schedule
.work
) || sw_linking
!= hw_linking
)
3591 /* If the linking down is occurred by nway, the device may miss the
3592 * linking change event. And it wouldn't wake when linking on.
3594 if (!sw_linking
&& tp
->rtl_ops
.in_nway(tp
))
3596 else if (!skb_queue_empty(&tp
->tx_queue
))
3602 static int rtl8152_runtime_suspend(struct r8152
*tp
)
3604 struct net_device
*netdev
= tp
->netdev
;
3607 set_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
3608 smp_mb__after_atomic();
3610 if (netif_running(netdev
) && test_bit(WORK_ENABLE
, &tp
->flags
)) {
3613 if (delay_autosuspend(tp
)) {
3614 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
3615 smp_mb__after_atomic();
3620 if (netif_carrier_ok(netdev
)) {
3623 rcr
= ocp_read_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
);
3624 ocp_data
= rcr
& ~RCR_ACPT_ALL
;
3625 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, ocp_data
);
3626 rxdy_gated_en(tp
, true);
3627 ocp_data
= ocp_read_byte(tp
, MCU_TYPE_PLA
,
3629 if (!(ocp_data
& RXFIFO_EMPTY
)) {
3630 rxdy_gated_en(tp
, false);
3631 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, rcr
);
3632 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
3633 smp_mb__after_atomic();
3639 clear_bit(WORK_ENABLE
, &tp
->flags
);
3640 usb_kill_urb(tp
->intr_urb
);
3642 tp
->rtl_ops
.autosuspend_en(tp
, true);
3644 if (netif_carrier_ok(netdev
)) {
3645 napi_disable(&tp
->napi
);
3647 rxdy_gated_en(tp
, false);
3648 ocp_write_dword(tp
, MCU_TYPE_PLA
, PLA_RCR
, rcr
);
3649 napi_enable(&tp
->napi
);
3657 static int rtl8152_system_suspend(struct r8152
*tp
)
3659 struct net_device
*netdev
= tp
->netdev
;
3662 netif_device_detach(netdev
);
3664 if (netif_running(netdev
) && test_bit(WORK_ENABLE
, &tp
->flags
)) {
3665 clear_bit(WORK_ENABLE
, &tp
->flags
);
3666 usb_kill_urb(tp
->intr_urb
);
3667 napi_disable(&tp
->napi
);
3668 cancel_delayed_work_sync(&tp
->schedule
);
3669 tp
->rtl_ops
.down(tp
);
3670 napi_enable(&tp
->napi
);
3676 static int rtl8152_suspend(struct usb_interface
*intf
, pm_message_t message
)
3678 struct r8152
*tp
= usb_get_intfdata(intf
);
3681 mutex_lock(&tp
->control
);
3683 if (PMSG_IS_AUTO(message
))
3684 ret
= rtl8152_runtime_suspend(tp
);
3686 ret
= rtl8152_system_suspend(tp
);
3688 mutex_unlock(&tp
->control
);
3693 static int rtl8152_resume(struct usb_interface
*intf
)
3695 struct r8152
*tp
= usb_get_intfdata(intf
);
3697 mutex_lock(&tp
->control
);
3699 if (!test_bit(SELECTIVE_SUSPEND
, &tp
->flags
)) {
3700 tp
->rtl_ops
.init(tp
);
3701 queue_delayed_work(system_long_wq
, &tp
->hw_phy_work
, 0);
3702 netif_device_attach(tp
->netdev
);
3705 if (netif_running(tp
->netdev
) && tp
->netdev
->flags
& IFF_UP
) {
3706 if (test_bit(SELECTIVE_SUSPEND
, &tp
->flags
)) {
3707 tp
->rtl_ops
.autosuspend_en(tp
, false);
3708 napi_disable(&tp
->napi
);
3709 set_bit(WORK_ENABLE
, &tp
->flags
);
3711 if (netif_carrier_ok(tp
->netdev
)) {
3712 if (rtl8152_get_speed(tp
) & LINK_STATUS
) {
3715 netif_carrier_off(tp
->netdev
);
3716 tp
->rtl_ops
.disable(tp
);
3717 netif_info(tp
, link
, tp
->netdev
,
3722 napi_enable(&tp
->napi
);
3723 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
3724 smp_mb__after_atomic();
3725 if (!list_empty(&tp
->rx_done
))
3726 napi_schedule(&tp
->napi
);
3729 netif_carrier_off(tp
->netdev
);
3730 set_bit(WORK_ENABLE
, &tp
->flags
);
3732 usb_submit_urb(tp
->intr_urb
, GFP_KERNEL
);
3733 } else if (test_bit(SELECTIVE_SUSPEND
, &tp
->flags
)) {
3734 if (tp
->netdev
->flags
& IFF_UP
)
3735 tp
->rtl_ops
.autosuspend_en(tp
, false);
3736 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
3739 mutex_unlock(&tp
->control
);
3744 static int rtl8152_reset_resume(struct usb_interface
*intf
)
3746 struct r8152
*tp
= usb_get_intfdata(intf
);
3748 clear_bit(SELECTIVE_SUSPEND
, &tp
->flags
);
3749 return rtl8152_resume(intf
);
3752 static void rtl8152_get_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
3754 struct r8152
*tp
= netdev_priv(dev
);
3756 if (usb_autopm_get_interface(tp
->intf
) < 0)
3759 if (!rtl_can_wakeup(tp
)) {
3763 mutex_lock(&tp
->control
);
3764 wol
->supported
= WAKE_ANY
;
3765 wol
->wolopts
= __rtl_get_wol(tp
);
3766 mutex_unlock(&tp
->control
);
3769 usb_autopm_put_interface(tp
->intf
);
3772 static int rtl8152_set_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
3774 struct r8152
*tp
= netdev_priv(dev
);
3777 if (!rtl_can_wakeup(tp
))
3780 ret
= usb_autopm_get_interface(tp
->intf
);
3784 mutex_lock(&tp
->control
);
3786 __rtl_set_wol(tp
, wol
->wolopts
);
3787 tp
->saved_wolopts
= wol
->wolopts
& WAKE_ANY
;
3789 mutex_unlock(&tp
->control
);
3791 usb_autopm_put_interface(tp
->intf
);
3797 static u32
rtl8152_get_msglevel(struct net_device
*dev
)
3799 struct r8152
*tp
= netdev_priv(dev
);
3801 return tp
->msg_enable
;
3804 static void rtl8152_set_msglevel(struct net_device
*dev
, u32 value
)
3806 struct r8152
*tp
= netdev_priv(dev
);
3808 tp
->msg_enable
= value
;
3811 static void rtl8152_get_drvinfo(struct net_device
*netdev
,
3812 struct ethtool_drvinfo
*info
)
3814 struct r8152
*tp
= netdev_priv(netdev
);
3816 strlcpy(info
->driver
, MODULENAME
, sizeof(info
->driver
));
3817 strlcpy(info
->version
, DRIVER_VERSION
, sizeof(info
->version
));
3818 usb_make_path(tp
->udev
, info
->bus_info
, sizeof(info
->bus_info
));
3822 int rtl8152_get_settings(struct net_device
*netdev
, struct ethtool_cmd
*cmd
)
3824 struct r8152
*tp
= netdev_priv(netdev
);
3827 if (!tp
->mii
.mdio_read
)
3830 ret
= usb_autopm_get_interface(tp
->intf
);
3834 mutex_lock(&tp
->control
);
3836 ret
= mii_ethtool_gset(&tp
->mii
, cmd
);
3838 mutex_unlock(&tp
->control
);
3840 usb_autopm_put_interface(tp
->intf
);
3846 static int rtl8152_set_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
3848 struct r8152
*tp
= netdev_priv(dev
);
3851 ret
= usb_autopm_get_interface(tp
->intf
);
3855 mutex_lock(&tp
->control
);
3857 ret
= rtl8152_set_speed(tp
, cmd
->autoneg
, cmd
->speed
, cmd
->duplex
);
3859 tp
->autoneg
= cmd
->autoneg
;
3860 tp
->speed
= cmd
->speed
;
3861 tp
->duplex
= cmd
->duplex
;
3864 mutex_unlock(&tp
->control
);
3866 usb_autopm_put_interface(tp
->intf
);
3872 static const char rtl8152_gstrings
[][ETH_GSTRING_LEN
] = {
3879 "tx_single_collisions",
3880 "tx_multi_collisions",
3888 static int rtl8152_get_sset_count(struct net_device
*dev
, int sset
)
3892 return ARRAY_SIZE(rtl8152_gstrings
);
3898 static void rtl8152_get_ethtool_stats(struct net_device
*dev
,
3899 struct ethtool_stats
*stats
, u64
*data
)
3901 struct r8152
*tp
= netdev_priv(dev
);
3902 struct tally_counter tally
;
3904 if (usb_autopm_get_interface(tp
->intf
) < 0)
3907 generic_ocp_read(tp
, PLA_TALLYCNT
, sizeof(tally
), &tally
, MCU_TYPE_PLA
);
3909 usb_autopm_put_interface(tp
->intf
);
3911 data
[0] = le64_to_cpu(tally
.tx_packets
);
3912 data
[1] = le64_to_cpu(tally
.rx_packets
);
3913 data
[2] = le64_to_cpu(tally
.tx_errors
);
3914 data
[3] = le32_to_cpu(tally
.rx_errors
);
3915 data
[4] = le16_to_cpu(tally
.rx_missed
);
3916 data
[5] = le16_to_cpu(tally
.align_errors
);
3917 data
[6] = le32_to_cpu(tally
.tx_one_collision
);
3918 data
[7] = le32_to_cpu(tally
.tx_multi_collision
);
3919 data
[8] = le64_to_cpu(tally
.rx_unicast
);
3920 data
[9] = le64_to_cpu(tally
.rx_broadcast
);
3921 data
[10] = le32_to_cpu(tally
.rx_multicast
);
3922 data
[11] = le16_to_cpu(tally
.tx_aborted
);
3923 data
[12] = le16_to_cpu(tally
.tx_underrun
);
3926 static void rtl8152_get_strings(struct net_device
*dev
, u32 stringset
, u8
*data
)
3928 switch (stringset
) {
3930 memcpy(data
, *rtl8152_gstrings
, sizeof(rtl8152_gstrings
));
3935 static int r8152_get_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
3937 u32 ocp_data
, lp
, adv
, supported
= 0;
3940 val
= r8152_mmd_read(tp
, MDIO_MMD_PCS
, MDIO_PCS_EEE_ABLE
);
3941 supported
= mmd_eee_cap_to_ethtool_sup_t(val
);
3943 val
= r8152_mmd_read(tp
, MDIO_MMD_AN
, MDIO_AN_EEE_ADV
);
3944 adv
= mmd_eee_adv_to_ethtool_adv_t(val
);
3946 val
= r8152_mmd_read(tp
, MDIO_MMD_AN
, MDIO_AN_EEE_LPABLE
);
3947 lp
= mmd_eee_adv_to_ethtool_adv_t(val
);
3949 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
);
3950 ocp_data
&= EEE_RX_EN
| EEE_TX_EN
;
3952 eee
->eee_enabled
= !!ocp_data
;
3953 eee
->eee_active
= !!(supported
& adv
& lp
);
3954 eee
->supported
= supported
;
3955 eee
->advertised
= adv
;
3956 eee
->lp_advertised
= lp
;
3961 static int r8152_set_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
3963 u16 val
= ethtool_adv_to_mmd_eee_adv_t(eee
->advertised
);
3965 r8152_eee_en(tp
, eee
->eee_enabled
);
3967 if (!eee
->eee_enabled
)
3970 r8152_mmd_write(tp
, MDIO_MMD_AN
, MDIO_AN_EEE_ADV
, val
);
3975 static int r8153_get_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
3977 u32 ocp_data
, lp
, adv
, supported
= 0;
3980 val
= ocp_reg_read(tp
, OCP_EEE_ABLE
);
3981 supported
= mmd_eee_cap_to_ethtool_sup_t(val
);
3983 val
= ocp_reg_read(tp
, OCP_EEE_ADV
);
3984 adv
= mmd_eee_adv_to_ethtool_adv_t(val
);
3986 val
= ocp_reg_read(tp
, OCP_EEE_LPABLE
);
3987 lp
= mmd_eee_adv_to_ethtool_adv_t(val
);
3989 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_EEE_CR
);
3990 ocp_data
&= EEE_RX_EN
| EEE_TX_EN
;
3992 eee
->eee_enabled
= !!ocp_data
;
3993 eee
->eee_active
= !!(supported
& adv
& lp
);
3994 eee
->supported
= supported
;
3995 eee
->advertised
= adv
;
3996 eee
->lp_advertised
= lp
;
4001 static int r8153_set_eee(struct r8152
*tp
, struct ethtool_eee
*eee
)
4003 u16 val
= ethtool_adv_to_mmd_eee_adv_t(eee
->advertised
);
4005 r8153_eee_en(tp
, eee
->eee_enabled
);
4007 if (!eee
->eee_enabled
)
4010 ocp_reg_write(tp
, OCP_EEE_ADV
, val
);
4016 rtl_ethtool_get_eee(struct net_device
*net
, struct ethtool_eee
*edata
)
4018 struct r8152
*tp
= netdev_priv(net
);
4021 ret
= usb_autopm_get_interface(tp
->intf
);
4025 mutex_lock(&tp
->control
);
4027 ret
= tp
->rtl_ops
.eee_get(tp
, edata
);
4029 mutex_unlock(&tp
->control
);
4031 usb_autopm_put_interface(tp
->intf
);
4038 rtl_ethtool_set_eee(struct net_device
*net
, struct ethtool_eee
*edata
)
4040 struct r8152
*tp
= netdev_priv(net
);
4043 ret
= usb_autopm_get_interface(tp
->intf
);
4047 mutex_lock(&tp
->control
);
4049 ret
= tp
->rtl_ops
.eee_set(tp
, edata
);
4051 ret
= mii_nway_restart(&tp
->mii
);
4053 mutex_unlock(&tp
->control
);
4055 usb_autopm_put_interface(tp
->intf
);
4061 static int rtl8152_nway_reset(struct net_device
*dev
)
4063 struct r8152
*tp
= netdev_priv(dev
);
4066 ret
= usb_autopm_get_interface(tp
->intf
);
4070 mutex_lock(&tp
->control
);
4072 ret
= mii_nway_restart(&tp
->mii
);
4074 mutex_unlock(&tp
->control
);
4076 usb_autopm_put_interface(tp
->intf
);
4082 static int rtl8152_get_coalesce(struct net_device
*netdev
,
4083 struct ethtool_coalesce
*coalesce
)
4085 struct r8152
*tp
= netdev_priv(netdev
);
4087 switch (tp
->version
) {
4095 coalesce
->rx_coalesce_usecs
= tp
->coalesce
;
4100 static int rtl8152_set_coalesce(struct net_device
*netdev
,
4101 struct ethtool_coalesce
*coalesce
)
4103 struct r8152
*tp
= netdev_priv(netdev
);
4106 switch (tp
->version
) {
4114 if (coalesce
->rx_coalesce_usecs
> COALESCE_SLOW
)
4117 ret
= usb_autopm_get_interface(tp
->intf
);
4121 mutex_lock(&tp
->control
);
4123 if (tp
->coalesce
!= coalesce
->rx_coalesce_usecs
) {
4124 tp
->coalesce
= coalesce
->rx_coalesce_usecs
;
4126 if (netif_running(tp
->netdev
) && netif_carrier_ok(netdev
))
4127 r8153_set_rx_early_timeout(tp
);
4130 mutex_unlock(&tp
->control
);
4132 usb_autopm_put_interface(tp
->intf
);
4137 static const struct ethtool_ops ops
= {
4138 .get_drvinfo
= rtl8152_get_drvinfo
,
4139 .get_settings
= rtl8152_get_settings
,
4140 .set_settings
= rtl8152_set_settings
,
4141 .get_link
= ethtool_op_get_link
,
4142 .nway_reset
= rtl8152_nway_reset
,
4143 .get_msglevel
= rtl8152_get_msglevel
,
4144 .set_msglevel
= rtl8152_set_msglevel
,
4145 .get_wol
= rtl8152_get_wol
,
4146 .set_wol
= rtl8152_set_wol
,
4147 .get_strings
= rtl8152_get_strings
,
4148 .get_sset_count
= rtl8152_get_sset_count
,
4149 .get_ethtool_stats
= rtl8152_get_ethtool_stats
,
4150 .get_coalesce
= rtl8152_get_coalesce
,
4151 .set_coalesce
= rtl8152_set_coalesce
,
4152 .get_eee
= rtl_ethtool_get_eee
,
4153 .set_eee
= rtl_ethtool_set_eee
,
4156 static int rtl8152_ioctl(struct net_device
*netdev
, struct ifreq
*rq
, int cmd
)
4158 struct r8152
*tp
= netdev_priv(netdev
);
4159 struct mii_ioctl_data
*data
= if_mii(rq
);
4162 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
4165 res
= usb_autopm_get_interface(tp
->intf
);
4171 data
->phy_id
= R8152_PHY_ID
; /* Internal PHY */
4175 mutex_lock(&tp
->control
);
4176 data
->val_out
= r8152_mdio_read(tp
, data
->reg_num
);
4177 mutex_unlock(&tp
->control
);
4181 if (!capable(CAP_NET_ADMIN
)) {
4185 mutex_lock(&tp
->control
);
4186 r8152_mdio_write(tp
, data
->reg_num
, data
->val_in
);
4187 mutex_unlock(&tp
->control
);
4194 usb_autopm_put_interface(tp
->intf
);
4200 static int rtl8152_change_mtu(struct net_device
*dev
, int new_mtu
)
4202 struct r8152
*tp
= netdev_priv(dev
);
4205 switch (tp
->version
) {
4214 ret
= usb_autopm_get_interface(tp
->intf
);
4218 mutex_lock(&tp
->control
);
4222 if (netif_running(dev
)) {
4223 u32 rms
= new_mtu
+ VLAN_ETH_HLEN
+ CRC_SIZE
;
4225 ocp_write_word(tp
, MCU_TYPE_PLA
, PLA_RMS
, rms
);
4227 if (netif_carrier_ok(dev
))
4228 r8153_set_rx_early_size(tp
);
4231 mutex_unlock(&tp
->control
);
4233 usb_autopm_put_interface(tp
->intf
);
4238 static const struct net_device_ops rtl8152_netdev_ops
= {
4239 .ndo_open
= rtl8152_open
,
4240 .ndo_stop
= rtl8152_close
,
4241 .ndo_do_ioctl
= rtl8152_ioctl
,
4242 .ndo_start_xmit
= rtl8152_start_xmit
,
4243 .ndo_tx_timeout
= rtl8152_tx_timeout
,
4244 .ndo_set_features
= rtl8152_set_features
,
4245 .ndo_set_rx_mode
= rtl8152_set_rx_mode
,
4246 .ndo_set_mac_address
= rtl8152_set_mac_address
,
4247 .ndo_change_mtu
= rtl8152_change_mtu
,
4248 .ndo_validate_addr
= eth_validate_addr
,
4249 .ndo_features_check
= rtl8152_features_check
,
4252 static void r8152b_get_version(struct r8152
*tp
)
4257 ocp_data
= ocp_read_word(tp
, MCU_TYPE_PLA
, PLA_TCR1
);
4258 version
= (u16
)(ocp_data
& VERSION_MASK
);
4262 tp
->version
= RTL_VER_01
;
4265 tp
->version
= RTL_VER_02
;
4268 tp
->version
= RTL_VER_03
;
4269 tp
->mii
.supports_gmii
= 1;
4272 tp
->version
= RTL_VER_04
;
4273 tp
->mii
.supports_gmii
= 1;
4276 tp
->version
= RTL_VER_05
;
4277 tp
->mii
.supports_gmii
= 1;
4280 tp
->version
= RTL_VER_06
;
4281 tp
->mii
.supports_gmii
= 1;
4284 netif_info(tp
, probe
, tp
->netdev
,
4285 "Unknown version 0x%04x\n", version
);
4290 static void rtl8152_unload(struct r8152
*tp
)
4292 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
4295 if (tp
->version
!= RTL_VER_01
)
4296 r8152_power_cut_en(tp
, true);
4299 static void rtl8153_unload(struct r8152
*tp
)
4301 if (test_bit(RTL8152_UNPLUG
, &tp
->flags
))
4304 r8153_power_cut_en(tp
, false);
4307 static int rtl_ops_init(struct r8152
*tp
)
4309 struct rtl_ops
*ops
= &tp
->rtl_ops
;
4312 switch (tp
->version
) {
4315 ops
->init
= r8152b_init
;
4316 ops
->enable
= rtl8152_enable
;
4317 ops
->disable
= rtl8152_disable
;
4318 ops
->up
= rtl8152_up
;
4319 ops
->down
= rtl8152_down
;
4320 ops
->unload
= rtl8152_unload
;
4321 ops
->eee_get
= r8152_get_eee
;
4322 ops
->eee_set
= r8152_set_eee
;
4323 ops
->in_nway
= rtl8152_in_nway
;
4324 ops
->hw_phy_cfg
= r8152b_hw_phy_cfg
;
4325 ops
->autosuspend_en
= rtl_runtime_suspend_enable
;
4332 ops
->init
= r8153_init
;
4333 ops
->enable
= rtl8153_enable
;
4334 ops
->disable
= rtl8153_disable
;
4335 ops
->up
= rtl8153_up
;
4336 ops
->down
= rtl8153_down
;
4337 ops
->unload
= rtl8153_unload
;
4338 ops
->eee_get
= r8153_get_eee
;
4339 ops
->eee_set
= r8153_set_eee
;
4340 ops
->in_nway
= rtl8153_in_nway
;
4341 ops
->hw_phy_cfg
= r8153_hw_phy_cfg
;
4342 ops
->autosuspend_en
= rtl8153_runtime_enable
;
4347 netif_err(tp
, probe
, tp
->netdev
, "Unknown Device\n");
4354 static int rtl8152_probe(struct usb_interface
*intf
,
4355 const struct usb_device_id
*id
)
4357 struct usb_device
*udev
= interface_to_usbdev(intf
);
4359 struct net_device
*netdev
;
4362 if (udev
->actconfig
->desc
.bConfigurationValue
!= 1) {
4363 usb_driver_set_configuration(udev
, 1);
4367 usb_reset_device(udev
);
4368 netdev
= alloc_etherdev(sizeof(struct r8152
));
4370 dev_err(&intf
->dev
, "Out of memory\n");
4374 SET_NETDEV_DEV(netdev
, &intf
->dev
);
4375 tp
= netdev_priv(netdev
);
4376 tp
->msg_enable
= 0x7FFF;
4379 tp
->netdev
= netdev
;
4382 r8152b_get_version(tp
);
4383 ret
= rtl_ops_init(tp
);
4387 mutex_init(&tp
->control
);
4388 INIT_DELAYED_WORK(&tp
->schedule
, rtl_work_func_t
);
4389 INIT_DELAYED_WORK(&tp
->hw_phy_work
, rtl_hw_phy_work_func_t
);
4391 netdev
->netdev_ops
= &rtl8152_netdev_ops
;
4392 netdev
->watchdog_timeo
= RTL8152_TX_TIMEOUT
;
4394 netdev
->features
|= NETIF_F_RXCSUM
| NETIF_F_IP_CSUM
| NETIF_F_SG
|
4395 NETIF_F_TSO
| NETIF_F_FRAGLIST
| NETIF_F_IPV6_CSUM
|
4396 NETIF_F_TSO6
| NETIF_F_HW_VLAN_CTAG_RX
|
4397 NETIF_F_HW_VLAN_CTAG_TX
;
4398 netdev
->hw_features
= NETIF_F_RXCSUM
| NETIF_F_IP_CSUM
| NETIF_F_SG
|
4399 NETIF_F_TSO
| NETIF_F_FRAGLIST
|
4400 NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
|
4401 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HW_VLAN_CTAG_TX
;
4402 netdev
->vlan_features
= NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
|
4403 NETIF_F_HIGHDMA
| NETIF_F_FRAGLIST
|
4404 NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
;
4406 if (tp
->version
== RTL_VER_01
) {
4407 netdev
->features
&= ~NETIF_F_RXCSUM
;
4408 netdev
->hw_features
&= ~NETIF_F_RXCSUM
;
4411 netdev
->ethtool_ops
= &ops
;
4412 netif_set_gso_max_size(netdev
, RTL_LIMITED_TSO_SIZE
);
4414 /* MTU range: 68 - 1500 or 9194 */
4415 netdev
->min_mtu
= ETH_MIN_MTU
;
4416 switch (tp
->version
) {
4419 netdev
->max_mtu
= ETH_DATA_LEN
;
4422 netdev
->max_mtu
= RTL8153_MAX_MTU
;
4426 tp
->mii
.dev
= netdev
;
4427 tp
->mii
.mdio_read
= read_mii_word
;
4428 tp
->mii
.mdio_write
= write_mii_word
;
4429 tp
->mii
.phy_id_mask
= 0x3f;
4430 tp
->mii
.reg_num_mask
= 0x1f;
4431 tp
->mii
.phy_id
= R8152_PHY_ID
;
4433 switch (udev
->speed
) {
4434 case USB_SPEED_SUPER
:
4435 case USB_SPEED_SUPER_PLUS
:
4436 tp
->coalesce
= COALESCE_SUPER
;
4438 case USB_SPEED_HIGH
:
4439 tp
->coalesce
= COALESCE_HIGH
;
4442 tp
->coalesce
= COALESCE_SLOW
;
4446 tp
->autoneg
= AUTONEG_ENABLE
;
4447 tp
->speed
= tp
->mii
.supports_gmii
? SPEED_1000
: SPEED_100
;
4448 tp
->duplex
= DUPLEX_FULL
;
4450 intf
->needs_remote_wakeup
= 1;
4452 tp
->rtl_ops
.init(tp
);
4453 queue_delayed_work(system_long_wq
, &tp
->hw_phy_work
, 0);
4454 set_ethernet_addr(tp
);
4456 usb_set_intfdata(intf
, tp
);
4457 netif_napi_add(netdev
, &tp
->napi
, r8152_poll
, RTL8152_NAPI_WEIGHT
);
4459 ret
= register_netdev(netdev
);
4461 netif_err(tp
, probe
, netdev
, "couldn't register the device\n");
4465 if (!rtl_can_wakeup(tp
))
4466 __rtl_set_wol(tp
, 0);
4468 tp
->saved_wolopts
= __rtl_get_wol(tp
);
4469 if (tp
->saved_wolopts
)
4470 device_set_wakeup_enable(&udev
->dev
, true);
4472 device_set_wakeup_enable(&udev
->dev
, false);
4474 netif_info(tp
, probe
, netdev
, "%s\n", DRIVER_VERSION
);
4479 netif_napi_del(&tp
->napi
);
4480 usb_set_intfdata(intf
, NULL
);
4482 free_netdev(netdev
);
4486 static void rtl8152_disconnect(struct usb_interface
*intf
)
4488 struct r8152
*tp
= usb_get_intfdata(intf
);
4490 usb_set_intfdata(intf
, NULL
);
4492 struct usb_device
*udev
= tp
->udev
;
4494 if (udev
->state
== USB_STATE_NOTATTACHED
)
4495 set_bit(RTL8152_UNPLUG
, &tp
->flags
);
4497 netif_napi_del(&tp
->napi
);
4498 unregister_netdev(tp
->netdev
);
4499 cancel_delayed_work_sync(&tp
->hw_phy_work
);
4500 tp
->rtl_ops
.unload(tp
);
4501 free_netdev(tp
->netdev
);
4505 #define REALTEK_USB_DEVICE(vend, prod) \
4506 .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
4507 USB_DEVICE_ID_MATCH_INT_CLASS, \
4508 .idVendor = (vend), \
4509 .idProduct = (prod), \
4510 .bInterfaceClass = USB_CLASS_VENDOR_SPEC \
4513 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \
4514 USB_DEVICE_ID_MATCH_DEVICE, \
4515 .idVendor = (vend), \
4516 .idProduct = (prod), \
4517 .bInterfaceClass = USB_CLASS_COMM, \
4518 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
4519 .bInterfaceProtocol = USB_CDC_PROTO_NONE
4521 /* table of devices that work with this driver */
4522 static struct usb_device_id rtl8152_table
[] = {
4523 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK
, 0x8152)},
4524 {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK
, 0x8153)},
4525 {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT
, 0x07ab)},
4526 {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT
, 0x07c6)},
4527 {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG
, 0xa101)},
4528 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x304f)},
4529 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x3062)},
4530 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x3069)},
4531 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x7205)},
4532 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x720c)},
4533 {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO
, 0x7214)},
4534 {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA
, 0x09ff)},
4538 MODULE_DEVICE_TABLE(usb
, rtl8152_table
);
4540 static struct usb_driver rtl8152_driver
= {
4542 .id_table
= rtl8152_table
,
4543 .probe
= rtl8152_probe
,
4544 .disconnect
= rtl8152_disconnect
,
4545 .suspend
= rtl8152_suspend
,
4546 .resume
= rtl8152_resume
,
4547 .reset_resume
= rtl8152_reset_resume
,
4548 .pre_reset
= rtl8152_pre_reset
,
4549 .post_reset
= rtl8152_post_reset
,
4550 .supports_autosuspend
= 1,
4551 .disable_hub_initiated_lpm
= 1,
4554 module_usb_driver(rtl8152_driver
);
4556 MODULE_AUTHOR(DRIVER_AUTHOR
);
4557 MODULE_DESCRIPTION(DRIVER_DESC
);
4558 MODULE_LICENSE("GPL");
4559 MODULE_VERSION(DRIVER_VERSION
);