1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22#ifndef _ATL1C_H_
23#define _ATL1C_H_
24
25#include <linux/init.h>
26#include <linux/interrupt.h>
27#include <linux/types.h>
28#include <linux/errno.h>
29#include <linux/module.h>
30#include <linux/pci.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/skbuff.h>
34#include <linux/ioport.h>
35#include <linux/slab.h>
36#include <linux/list.h>
37#include <linux/delay.h>
38#include <linux/sched.h>
39#include <linux/in.h>
40#include <linux/ip.h>
41#include <linux/ipv6.h>
42#include <linux/udp.h>
43#include <linux/mii.h>
44#include <linux/io.h>
45#include <linux/vmalloc.h>
46#include <linux/pagemap.h>
47#include <linux/tcp.h>
48#include <linux/ethtool.h>
49#include <linux/if_vlan.h>
50#include <linux/workqueue.h>
51#include <net/checksum.h>
52#include <net/ip6_checksum.h>
53
54#include "atl1c_hw.h"
55
56
57#define AT_WUFC_LNKC 0x00000001
58#define AT_WUFC_MAG 0x00000002
59#define AT_WUFC_EX 0x00000004
60#define AT_WUFC_MC 0x00000008
61#define AT_WUFC_BC 0x00000010
62
63#define AT_VLAN_TO_TAG(_vlan, _tag) \
64 _tag = ((((_vlan) >> 8) & 0xFF) |\
65 (((_vlan) & 0xFF) << 8))
66
67#define AT_TAG_TO_VLAN(_tag, _vlan) \
68 _vlan = ((((_tag) >> 8) & 0xFF) |\
69 (((_tag) & 0xFF) << 8))
70
71#define SPEED_0 0xffff
72#define HALF_DUPLEX 1
73#define FULL_DUPLEX 2
74
75#define AT_RX_BUF_SIZE (ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN)
76#define MAX_JUMBO_FRAME_SIZE (6*1024)
77
78#define AT_MAX_RECEIVE_QUEUE 4
79#define AT_DEF_RECEIVE_QUEUE 1
80#define AT_MAX_TRANSMIT_QUEUE 2
81
82#define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL
83#define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL
84
85#define AT_TX_WATCHDOG (5 * HZ)
86#define AT_MAX_INT_WORK 5
87#define AT_TWSI_EEPROM_TIMEOUT 100
88#define AT_HW_MAX_IDLE_DELAY 10
89#define AT_SUSPEND_LINK_TIMEOUT 100
90
91#define AT_ASPM_L0S_TIMER 6
92#define AT_ASPM_L1_TIMER 12
93#define AT_LCKDET_TIMER 12
94
95#define ATL1C_PCIE_L0S_L1_DISABLE 0x01
96#define ATL1C_PCIE_PHY_RESET 0x02
97
98#define ATL1C_ASPM_L0s_ENABLE 0x0001
99#define ATL1C_ASPM_L1_ENABLE 0x0002
100
101#define AT_REGS_LEN (74 * sizeof(u32))
102#define AT_EEPROM_LEN 512
103
104#define ATL1C_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i]))
105#define ATL1C_RFD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_rx_free_desc)
106#define ATL1C_TPD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_tpd_desc)
107#define ATL1C_RRD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_recv_ret_status)
108
109
110#define TPD_L4HDR_OFFSET_MASK 0x00FF
111#define TPD_L4HDR_OFFSET_SHIFT 0
112
113
114#define TPD_TCPHDR_OFFSET_MASK 0x00FF
115#define TPD_TCPHDR_OFFSET_SHIFT 0
116
117
118#define TPD_PLOADOFFSET_MASK 0x00FF
119#define TPD_PLOADOFFSET_SHIFT 0
120
121
122#define TPD_CCSUM_EN_MASK 0x0001
123#define TPD_CCSUM_EN_SHIFT 8
124#define TPD_IP_CSUM_MASK 0x0001
125#define TPD_IP_CSUM_SHIFT 9
126#define TPD_TCP_CSUM_MASK 0x0001
127#define TPD_TCP_CSUM_SHIFT 10
128#define TPD_UDP_CSUM_MASK 0x0001
129#define TPD_UDP_CSUM_SHIFT 11
130#define TPD_LSO_EN_MASK 0x0001
131#define TPD_LSO_EN_SHIFT 12
132#define TPD_LSO_VER_MASK 0x0001
133#define TPD_LSO_VER_SHIFT 13
134#define TPD_CON_VTAG_MASK 0x0001
135#define TPD_CON_VTAG_SHIFT 14
136#define TPD_INS_VTAG_MASK 0x0001
137#define TPD_INS_VTAG_SHIFT 15
138#define TPD_IPV4_PACKET_MASK 0x0001
139#define TPD_IPV4_PACKET_SHIFT 16
140#define TPD_ETH_TYPE_MASK 0x0001
141#define TPD_ETH_TYPE_SHIFT 17
142
143
144#define TPD_CCSUM_OFFSET_MASK 0x00FF
145#define TPD_CCSUM_OFFSET_SHIFT 18
146#define TPD_CCSUM_EPAD_MASK 0x0001
147#define TPD_CCSUM_EPAD_SHIFT 30
148
149
150#define TPD_MSS_MASK 0x1FFF
151#define TPD_MSS_SHIFT 18
152
153#define TPD_EOP_MASK 0x0001
154#define TPD_EOP_SHIFT 31
155
156struct atl1c_tpd_desc {
157 __le16 buffer_len;
158 __le16 vlan_tag;
159 __le32 word1;
160 __le64 buffer_addr;
161};
162
163struct atl1c_tpd_ext_desc {
164 u32 reservd_0;
165 __le32 word1;
166 __le32 pkt_len;
167 u32 reservd_1;
168};
169
170#define RRS_RX_CSUM_MASK 0xFFFF
171#define RRS_RX_CSUM_SHIFT 0
172#define RRS_RX_RFD_CNT_MASK 0x000F
173#define RRS_RX_RFD_CNT_SHIFT 16
174#define RRS_RX_RFD_INDEX_MASK 0x0FFF
175#define RRS_RX_RFD_INDEX_SHIFT 20
176
177
178#define RRS_HEAD_LEN_MASK 0x00FF
179#define RRS_HEAD_LEN_SHIFT 0
180#define RRS_HDS_TYPE_MASK 0x0003
181#define RRS_HDS_TYPE_SHIFT 8
182#define RRS_CPU_NUM_MASK 0x0003
183#define RRS_CPU_NUM_SHIFT 10
184#define RRS_HASH_FLG_MASK 0x000F
185#define RRS_HASH_FLG_SHIFT 12
186
187#define RRS_HDS_TYPE_HEAD 1
188#define RRS_HDS_TYPE_DATA 2
189
190#define RRS_IS_NO_HDS_TYPE(flag) \
191 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == 0)
192
193#define RRS_IS_HDS_HEAD(flag) \
194 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \
195 RRS_HDS_TYPE_HEAD)
196
197#define RRS_IS_HDS_DATA(flag) \
198 ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \
199 RRS_HDS_TYPE_DATA)
200
201
202#define RRS_PKT_SIZE_MASK 0x3FFF
203#define RRS_PKT_SIZE_SHIFT 0
204#define RRS_ERR_L4_CSUM_MASK 0x0001
205#define RRS_ERR_L4_CSUM_SHIFT 14
206#define RRS_ERR_IP_CSUM_MASK 0x0001
207#define RRS_ERR_IP_CSUM_SHIFT 15
208#define RRS_VLAN_INS_MASK 0x0001
209#define RRS_VLAN_INS_SHIFT 16
210#define RRS_PROT_ID_MASK 0x0007
211#define RRS_PROT_ID_SHIFT 17
212#define RRS_RX_ERR_SUM_MASK 0x0001
213#define RRS_RX_ERR_SUM_SHIFT 20
214#define RRS_RX_ERR_CRC_MASK 0x0001
215#define RRS_RX_ERR_CRC_SHIFT 21
216#define RRS_RX_ERR_FAE_MASK 0x0001
217#define RRS_RX_ERR_FAE_SHIFT 22
218#define RRS_RX_ERR_TRUNC_MASK 0x0001
219#define RRS_RX_ERR_TRUNC_SHIFT 23
220#define RRS_RX_ERR_RUNC_MASK 0x0001
221#define RRS_RX_ERR_RUNC_SHIFT 24
222#define RRS_RX_ERR_ICMP_MASK 0x0001
223#define RRS_RX_ERR_ICMP_SHIFT 25
224#define RRS_PACKET_BCAST_MASK 0x0001
225#define RRS_PACKET_BCAST_SHIFT 26
226#define RRS_PACKET_MCAST_MASK 0x0001
227#define RRS_PACKET_MCAST_SHIFT 27
228#define RRS_PACKET_TYPE_MASK 0x0001
229#define RRS_PACKET_TYPE_SHIFT 28
230#define RRS_FIFO_FULL_MASK 0x0001
231#define RRS_FIFO_FULL_SHIFT 29
232#define RRS_802_3_LEN_ERR_MASK 0x0001
233#define RRS_802_3_LEN_ERR_SHIFT 30
234#define RRS_RXD_UPDATED_MASK 0x0001
235#define RRS_RXD_UPDATED_SHIFT 31
236
237#define RRS_ERR_L4_CSUM 0x00004000
238#define RRS_ERR_IP_CSUM 0x00008000
239#define RRS_VLAN_INS 0x00010000
240#define RRS_RX_ERR_SUM 0x00100000
241#define RRS_RX_ERR_CRC 0x00200000
242#define RRS_802_3_LEN_ERR 0x40000000
243#define RRS_RXD_UPDATED 0x80000000
244
245#define RRS_PACKET_TYPE_802_3 1
246#define RRS_PACKET_TYPE_ETH 0
247#define RRS_PACKET_IS_ETH(word) \
248 ((((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK) == \
249 RRS_PACKET_TYPE_ETH)
250#define RRS_RXD_IS_VALID(word) \
251 ((((word) >> RRS_RXD_UPDATED_SHIFT) & RRS_RXD_UPDATED_MASK) == 1)
252
253#define RRS_PACKET_PROT_IS_IPV4_ONLY(word) \
254 ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 1)
255#define RRS_PACKET_PROT_IS_IPV6_ONLY(word) \
256 ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 6)
257
258struct atl1c_recv_ret_status {
259 __le32 word0;
260 __le32 rss_hash;
261 __le16 vlan_tag;
262 __le16 flag;
263 __le32 word3;
264};
265
266
267struct atl1c_rx_free_desc {
268 __le64 buffer_addr;
269};
270
271
272enum atl1c_dma_order {
273 atl1c_dma_ord_in = 1,
274 atl1c_dma_ord_enh = 2,
275 atl1c_dma_ord_out = 4
276};
277
278enum atl1c_dma_rcb {
279 atl1c_rcb_64 = 0,
280 atl1c_rcb_128 = 1
281};
282
283enum atl1c_mac_speed {
284 atl1c_mac_speed_0 = 0,
285 atl1c_mac_speed_10_100 = 1,
286 atl1c_mac_speed_1000 = 2
287};
288
289enum atl1c_dma_req_block {
290 atl1c_dma_req_128 = 0,
291 atl1c_dma_req_256 = 1,
292 atl1c_dma_req_512 = 2,
293 atl1c_dma_req_1024 = 3,
294 atl1c_dma_req_2048 = 4,
295 atl1c_dma_req_4096 = 5
296};
297
298
299enum atl1c_nic_type {
300 athr_l1c = 0,
301 athr_l2c = 1,
302 athr_l2c_b,
303 athr_l2c_b2,
304 athr_l1d,
305 athr_l1d_2,
306};
307
308enum atl1c_trans_queue {
309 atl1c_trans_normal = 0,
310 atl1c_trans_high = 1
311};
312
313struct atl1c_hw_stats {
314
315 unsigned long rx_ok;
316 unsigned long rx_bcast;
317 unsigned long rx_mcast;
318 unsigned long rx_pause;
319 unsigned long rx_ctrl;
320 unsigned long rx_fcs_err;
321 unsigned long rx_len_err;
322 unsigned long rx_byte_cnt;
323 unsigned long rx_runt;
324 unsigned long rx_frag;
325 unsigned long rx_sz_64;
326 unsigned long rx_sz_65_127;
327 unsigned long rx_sz_128_255;
328 unsigned long rx_sz_256_511;
329 unsigned long rx_sz_512_1023;
330 unsigned long rx_sz_1024_1518;
331 unsigned long rx_sz_1519_max;
332 unsigned long rx_sz_ov;
333 unsigned long rx_rxf_ov;
334 unsigned long rx_rrd_ov;
335 unsigned long rx_align_err;
336 unsigned long rx_bcast_byte_cnt;
337 unsigned long rx_mcast_byte_cnt;
338 unsigned long rx_err_addr;
339
340
341 unsigned long tx_ok;
342 unsigned long tx_bcast;
343 unsigned long tx_mcast;
344 unsigned long tx_pause;
345 unsigned long tx_exc_defer;
346 unsigned long tx_ctrl;
347 unsigned long tx_defer;
348 unsigned long tx_byte_cnt;
349 unsigned long tx_sz_64;
350 unsigned long tx_sz_65_127;
351 unsigned long tx_sz_128_255;
352 unsigned long tx_sz_256_511;
353 unsigned long tx_sz_512_1023;
354 unsigned long tx_sz_1024_1518;
355 unsigned long tx_sz_1519_max;
356 unsigned long tx_1_col;
357 unsigned long tx_2_col;
358 unsigned long tx_late_col;
359 unsigned long tx_abort_col;
360 unsigned long tx_underrun;
361 unsigned long tx_rd_eop;
362 unsigned long tx_len_err;
363 unsigned long tx_trunc;
364 unsigned long tx_bcast_byte;
365 unsigned long tx_mcast_byte;
366};
367
368struct atl1c_hw {
369 u8 __iomem *hw_addr;
370 struct atl1c_adapter *adapter;
371 enum atl1c_nic_type nic_type;
372 enum atl1c_dma_order dma_order;
373 enum atl1c_dma_rcb rcb_value;
374 enum atl1c_dma_req_block dmar_block;
375
376 u16 device_id;
377 u16 vendor_id;
378 u16 subsystem_id;
379 u16 subsystem_vendor_id;
380 u8 revision_id;
381 u16 phy_id1;
382 u16 phy_id2;
383
384 u32 intr_mask;
385
386 u8 preamble_len;
387 u16 max_frame_size;
388 u16 min_frame_size;
389
390 enum atl1c_mac_speed mac_speed;
391 bool mac_duplex;
392 bool hibernate;
393 u16 media_type;
394#define MEDIA_TYPE_AUTO_SENSOR 0
395#define MEDIA_TYPE_100M_FULL 1
396#define MEDIA_TYPE_100M_HALF 2
397#define MEDIA_TYPE_10M_FULL 3
398#define MEDIA_TYPE_10M_HALF 4
399
400 u16 autoneg_advertised;
401 u16 mii_autoneg_adv_reg;
402 u16 mii_1000t_ctrl_reg;
403
404 u16 tx_imt;
405 u16 rx_imt;
406 u16 ict;
407 u16 ctrl_flags;
408#define ATL1C_INTR_CLEAR_ON_READ 0x0001
409#define ATL1C_INTR_MODRT_ENABLE 0x0002
410#define ATL1C_CMB_ENABLE 0x0004
411#define ATL1C_SMB_ENABLE 0x0010
412#define ATL1C_TXQ_MODE_ENHANCE 0x0020
413#define ATL1C_RX_IPV6_CHKSUM 0x0040
414#define ATL1C_ASPM_L0S_SUPPORT 0x0080
415#define ATL1C_ASPM_L1_SUPPORT 0x0100
416#define ATL1C_ASPM_CTRL_MON 0x0200
417#define ATL1C_HIB_DISABLE 0x0400
418#define ATL1C_APS_MODE_ENABLE 0x0800
419#define ATL1C_LINK_EXT_SYNC 0x1000
420#define ATL1C_CLK_GATING_EN 0x2000
421#define ATL1C_FPGA_VERSION 0x8000
422 u16 link_cap_flags;
423#define ATL1C_LINK_CAP_1000M 0x0001
424 u32 smb_timer;
425
426 u16 rrd_thresh;
427
428 u16 tpd_thresh;
429 u8 tpd_burst;
430 u8 rfd_burst;
431 u32 base_cpu;
432 u32 indirect_tab;
433 u8 mac_addr[ETH_ALEN];
434 u8 perm_mac_addr[ETH_ALEN];
435
436 bool phy_configured;
437 bool re_autoneg;
438 bool emi_ca;
439 bool msi_lnkpatch;
440};
441
442
443
444
445
446struct atl1c_ring_header {
447 void *desc;
448 dma_addr_t dma;
449 unsigned int size;
450};
451
452
453
454
455
456struct atl1c_buffer {
457 struct sk_buff *skb;
458 u16 length;
459 u16 flags;
460#define ATL1C_BUFFER_FREE 0x0001
461#define ATL1C_BUFFER_BUSY 0x0002
462#define ATL1C_BUFFER_STATE_MASK 0x0003
463
464#define ATL1C_PCIMAP_SINGLE 0x0004
465#define ATL1C_PCIMAP_PAGE 0x0008
466#define ATL1C_PCIMAP_TYPE_MASK 0x000C
467
468#define ATL1C_PCIMAP_TODEVICE 0x0010
469#define ATL1C_PCIMAP_FROMDEVICE 0x0020
470#define ATL1C_PCIMAP_DIRECTION_MASK 0x0030
471 dma_addr_t dma;
472};
473
474#define ATL1C_SET_BUFFER_STATE(buff, state) do { \
475 ((buff)->flags) &= ~ATL1C_BUFFER_STATE_MASK; \
476 ((buff)->flags) |= (state); \
477 } while (0)
478
479#define ATL1C_SET_PCIMAP_TYPE(buff, type, direction) do { \
480 ((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK; \
481 ((buff)->flags) |= (type); \
482 ((buff)->flags) &= ~ATL1C_PCIMAP_DIRECTION_MASK; \
483 ((buff)->flags) |= (direction); \
484 } while (0)
485
486
487struct atl1c_tpd_ring {
488 void *desc;
489 dma_addr_t dma;
490 u16 size;
491 u16 count;
492 u16 next_to_use;
493 atomic_t next_to_clean;
494 struct atl1c_buffer *buffer_info;
495};
496
497
498struct atl1c_rfd_ring {
499 void *desc;
500 dma_addr_t dma;
501 u16 size;
502 u16 count;
503 u16 next_to_use;
504 u16 next_to_clean;
505 struct atl1c_buffer *buffer_info;
506};
507
508
509struct atl1c_rrd_ring {
510 void *desc;
511 dma_addr_t dma;
512 u16 size;
513 u16 count;
514 u16 next_to_use;
515 u16 next_to_clean;
516};
517
518
519struct atl1c_adapter {
520 struct net_device *netdev;
521 struct pci_dev *pdev;
522 struct napi_struct napi;
523 struct page *rx_page;
524 unsigned int rx_page_offset;
525 unsigned int rx_frag_size;
526 struct atl1c_hw hw;
527 struct atl1c_hw_stats hw_stats;
528 struct mii_if_info mii;
529 u16 rx_buffer_len;
530
531 unsigned long flags;
532#define __AT_TESTING 0x0001
533#define __AT_RESETTING 0x0002
534#define __AT_DOWN 0x0003
535 unsigned long work_event;
536#define ATL1C_WORK_EVENT_RESET 0
537#define ATL1C_WORK_EVENT_LINK_CHANGE 1
538 u32 msg_enable;
539
540 bool have_msi;
541 u32 wol;
542 u16 link_speed;
543 u16 link_duplex;
544
545 spinlock_t mdio_lock;
546 spinlock_t tx_lock;
547 atomic_t irq_sem;
548
549 struct work_struct common_task;
550 struct timer_list watchdog_timer;
551 struct timer_list phy_config_timer;
552
553
554 struct atl1c_ring_header ring_header;
555 struct atl1c_tpd_ring tpd_ring[AT_MAX_TRANSMIT_QUEUE];
556 struct atl1c_rfd_ring rfd_ring;
557 struct atl1c_rrd_ring rrd_ring;
558 u32 bd_number;
559};
560
561#define AT_WRITE_REG(a, reg, value) ( \
562 writel((value), ((a)->hw_addr + reg)))
563
564#define AT_WRITE_FLUSH(a) (\
565 readl((a)->hw_addr))
566
567#define AT_READ_REG(a, reg, pdata) do { \
568 if (unlikely((a)->hibernate)) { \
569 readl((a)->hw_addr + reg); \
570 *(u32 *)pdata = readl((a)->hw_addr + reg); \
571 } else { \
572 *(u32 *)pdata = readl((a)->hw_addr + reg); \
573 } \
574 } while (0)
575
576#define AT_WRITE_REGB(a, reg, value) (\
577 writeb((value), ((a)->hw_addr + reg)))
578
579#define AT_READ_REGB(a, reg) (\
580 readb((a)->hw_addr + reg))
581
582#define AT_WRITE_REGW(a, reg, value) (\
583 writew((value), ((a)->hw_addr + reg)))
584
585#define AT_READ_REGW(a, reg, pdata) do { \
586 if (unlikely((a)->hibernate)) { \
587 readw((a)->hw_addr + reg); \
588 *(u16 *)pdata = readw((a)->hw_addr + reg); \
589 } else { \
590 *(u16 *)pdata = readw((a)->hw_addr + reg); \
591 } \
592 } while (0)
593
594#define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \
595 writel((value), (((a)->hw_addr + reg) + ((offset) << 2))))
596
597#define AT_READ_REG_ARRAY(a, reg, offset) ( \
598 readl(((a)->hw_addr + reg) + ((offset) << 2)))
599
600extern char atl1c_driver_name[];
601extern char atl1c_driver_version[];
602
603extern void atl1c_reinit_locked(struct atl1c_adapter *adapter);
604extern s32 atl1c_reset_hw(struct atl1c_hw *hw);
605extern void atl1c_set_ethtool_ops(struct net_device *netdev);
606#endif
607