Merge branch 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-block.git] / drivers / net / ethernet / cadence / macb.h
CommitLineData
d2912cb1 1/* SPDX-License-Identifier: GPL-2.0-only */
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2/*
3 * Atmel MACB Ethernet Controller driver
4 *
5 * Copyright (C) 2004-2006 Atmel Corporation
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6 */
7#ifndef _MACB_H
8#define _MACB_H
9
7897b071 10#include <linux/phylink.h>
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11#include <linux/ptp_clock_kernel.h>
12#include <linux/net_tstamp.h>
032dc41b 13#include <linux/interrupt.h>
fc182b85 14
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15#if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) || defined(CONFIG_MACB_USE_HWSTAMP)
16#define MACB_EXT_DESC
17#endif
18
d1d1b53d 19#define MACB_GREGS_NBR 16
7c39994f 20#define MACB_GREGS_VERSION 2
02c958dd 21#define MACB_MAX_QUEUES 8
d1d1b53d 22
89e5785f 23/* MACB register offsets */
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24#define MACB_NCR 0x0000 /* Network Control */
25#define MACB_NCFGR 0x0004 /* Network Config */
26#define MACB_NSR 0x0008 /* Network Status */
27#define MACB_TAR 0x000c /* AT91RM9200 only */
28#define MACB_TCR 0x0010 /* AT91RM9200 only */
29#define MACB_TSR 0x0014 /* Transmit Status */
30#define MACB_RBQP 0x0018 /* RX Q Base Address */
31#define MACB_TBQP 0x001c /* TX Q Base Address */
32#define MACB_RSR 0x0020 /* Receive Status */
33#define MACB_ISR 0x0024 /* Interrupt Status */
34#define MACB_IER 0x0028 /* Interrupt Enable */
35#define MACB_IDR 0x002c /* Interrupt Disable */
36#define MACB_IMR 0x0030 /* Interrupt Mask */
37#define MACB_MAN 0x0034 /* PHY Maintenance */
38#define MACB_PTR 0x0038
39#define MACB_PFR 0x003c
40#define MACB_FTO 0x0040
41#define MACB_SCF 0x0044
42#define MACB_MCF 0x0048
43#define MACB_FRO 0x004c
44#define MACB_FCSE 0x0050
45#define MACB_ALE 0x0054
46#define MACB_DTF 0x0058
47#define MACB_LCOL 0x005c
48#define MACB_EXCOL 0x0060
49#define MACB_TUND 0x0064
50#define MACB_CSE 0x0068
51#define MACB_RRE 0x006c
52#define MACB_ROVR 0x0070
53#define MACB_RSE 0x0074
54#define MACB_ELE 0x0078
55#define MACB_RJA 0x007c
56#define MACB_USF 0x0080
57#define MACB_STE 0x0084
58#define MACB_RLE 0x0088
59#define MACB_TPF 0x008c
60#define MACB_HRB 0x0090
61#define MACB_HRT 0x0094
62#define MACB_SA1B 0x0098
63#define MACB_SA1T 0x009c
64#define MACB_SA2B 0x00a0
65#define MACB_SA2T 0x00a4
66#define MACB_SA3B 0x00a8
67#define MACB_SA3T 0x00ac
68#define MACB_SA4B 0x00b0
69#define MACB_SA4T 0x00b4
70#define MACB_TID 0x00b8
71#define MACB_TPQ 0x00bc
72#define MACB_USRIO 0x00c0
73#define MACB_WOL 0x00c4
74#define MACB_MID 0x00fc
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75#define MACB_TBQPH 0x04C8
76#define MACB_RBQPH 0x04D4
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77
78/* GEM register offsets. */
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79#define GEM_NCFGR 0x0004 /* Network Config */
80#define GEM_USRIO 0x000c /* User IO */
81#define GEM_DMACFG 0x0010 /* DMA Configuration */
98b5a0f4 82#define GEM_JML 0x0048 /* Jumbo Max Length */
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83#define GEM_HRB 0x0080 /* Hash Bottom */
84#define GEM_HRT 0x0084 /* Hash Top */
85#define GEM_SA1B 0x0088 /* Specific1 Bottom */
86#define GEM_SA1T 0x008C /* Specific1 Top */
87#define GEM_SA2B 0x0090 /* Specific2 Bottom */
88#define GEM_SA2T 0x0094 /* Specific2 Top */
89#define GEM_SA3B 0x0098 /* Specific3 Bottom */
90#define GEM_SA3T 0x009C /* Specific3 Top */
91#define GEM_SA4B 0x00A0 /* Specific4 Bottom */
92#define GEM_SA4T 0x00A4 /* Specific4 Top */
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93#define GEM_EFTSH 0x00e8 /* PTP Event Frame Transmitted Seconds Register 47:32 */
94#define GEM_EFRSH 0x00ec /* PTP Event Frame Received Seconds Register 47:32 */
95#define GEM_PEFTSH 0x00f0 /* PTP Peer Event Frame Transmitted Seconds Register 47:32 */
96#define GEM_PEFRSH 0x00f4 /* PTP Peer Event Frame Received Seconds Register 47:32 */
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97#define GEM_OTX 0x0100 /* Octets transmitted */
98#define GEM_OCTTXL 0x0100 /* Octets transmitted [31:0] */
99#define GEM_OCTTXH 0x0104 /* Octets transmitted [47:32] */
100#define GEM_TXCNT 0x0108 /* Frames Transmitted counter */
101#define GEM_TXBCCNT 0x010c /* Broadcast Frames counter */
102#define GEM_TXMCCNT 0x0110 /* Multicast Frames counter */
103#define GEM_TXPAUSECNT 0x0114 /* Pause Frames Transmitted Counter */
104#define GEM_TX64CNT 0x0118 /* 64 byte Frames TX counter */
105#define GEM_TX65CNT 0x011c /* 65-127 byte Frames TX counter */
106#define GEM_TX128CNT 0x0120 /* 128-255 byte Frames TX counter */
107#define GEM_TX256CNT 0x0124 /* 256-511 byte Frames TX counter */
108#define GEM_TX512CNT 0x0128 /* 512-1023 byte Frames TX counter */
109#define GEM_TX1024CNT 0x012c /* 1024-1518 byte Frames TX counter */
110#define GEM_TX1519CNT 0x0130 /* 1519+ byte Frames TX counter */
111#define GEM_TXURUNCNT 0x0134 /* TX under run error counter */
112#define GEM_SNGLCOLLCNT 0x0138 /* Single Collision Frame Counter */
113#define GEM_MULTICOLLCNT 0x013c /* Multiple Collision Frame Counter */
114#define GEM_EXCESSCOLLCNT 0x0140 /* Excessive Collision Frame Counter */
115#define GEM_LATECOLLCNT 0x0144 /* Late Collision Frame Counter */
116#define GEM_TXDEFERCNT 0x0148 /* Deferred Transmission Frame Counter */
117#define GEM_TXCSENSECNT 0x014c /* Carrier Sense Error Counter */
118#define GEM_ORX 0x0150 /* Octets received */
119#define GEM_OCTRXL 0x0150 /* Octets received [31:0] */
120#define GEM_OCTRXH 0x0154 /* Octets received [47:32] */
121#define GEM_RXCNT 0x0158 /* Frames Received Counter */
122#define GEM_RXBROADCNT 0x015c /* Broadcast Frames Received Counter */
123#define GEM_RXMULTICNT 0x0160 /* Multicast Frames Received Counter */
124#define GEM_RXPAUSECNT 0x0164 /* Pause Frames Received Counter */
125#define GEM_RX64CNT 0x0168 /* 64 byte Frames RX Counter */
126#define GEM_RX65CNT 0x016c /* 65-127 byte Frames RX Counter */
127#define GEM_RX128CNT 0x0170 /* 128-255 byte Frames RX Counter */
128#define GEM_RX256CNT 0x0174 /* 256-511 byte Frames RX Counter */
129#define GEM_RX512CNT 0x0178 /* 512-1023 byte Frames RX Counter */
130#define GEM_RX1024CNT 0x017c /* 1024-1518 byte Frames RX Counter */
131#define GEM_RX1519CNT 0x0180 /* 1519+ byte Frames RX Counter */
132#define GEM_RXUNDRCNT 0x0184 /* Undersize Frames Received Counter */
133#define GEM_RXOVRCNT 0x0188 /* Oversize Frames Received Counter */
134#define GEM_RXJABCNT 0x018c /* Jabbers Received Counter */
135#define GEM_RXFCSCNT 0x0190 /* Frame Check Sequence Error Counter */
136#define GEM_RXLENGTHCNT 0x0194 /* Length Field Error Counter */
137#define GEM_RXSYMBCNT 0x0198 /* Symbol Error Counter */
138#define GEM_RXALIGNCNT 0x019c /* Alignment Error Counter */
139#define GEM_RXRESERRCNT 0x01a0 /* Receive Resource Error Counter */
140#define GEM_RXORCNT 0x01a4 /* Receive Overrun Counter */
141#define GEM_RXIPCCNT 0x01a8 /* IP header Checksum Error Counter */
142#define GEM_RXTCPCCNT 0x01ac /* TCP Checksum Error Counter */
143#define GEM_RXUDPCCNT 0x01b0 /* UDP Checksum Error Counter */
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144#define GEM_TISUBN 0x01bc /* 1588 Timer Increment Sub-ns */
145#define GEM_TSH 0x01c0 /* 1588 Timer Seconds High */
146#define GEM_TSL 0x01d0 /* 1588 Timer Seconds Low */
147#define GEM_TN 0x01d4 /* 1588 Timer Nanoseconds */
148#define GEM_TA 0x01d8 /* 1588 Timer Adjust */
149#define GEM_TI 0x01dc /* 1588 Timer Increment */
150#define GEM_EFTSL 0x01e0 /* PTP Event Frame Tx Seconds Low */
151#define GEM_EFTN 0x01e4 /* PTP Event Frame Tx Nanoseconds */
152#define GEM_EFRSL 0x01e8 /* PTP Event Frame Rx Seconds Low */
153#define GEM_EFRN 0x01ec /* PTP Event Frame Rx Nanoseconds */
154#define GEM_PEFTSL 0x01f0 /* PTP Peer Event Frame Tx Secs Low */
155#define GEM_PEFTN 0x01f4 /* PTP Peer Event Frame Tx Ns */
156#define GEM_PEFRSL 0x01f8 /* PTP Peer Event Frame Rx Sec Low */
157#define GEM_PEFRN 0x01fc /* PTP Peer Event Frame Rx Ns */
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158#define GEM_DCFG1 0x0280 /* Design Config 1 */
159#define GEM_DCFG2 0x0284 /* Design Config 2 */
160#define GEM_DCFG3 0x0288 /* Design Config 3 */
161#define GEM_DCFG4 0x028c /* Design Config 4 */
162#define GEM_DCFG5 0x0290 /* Design Config 5 */
163#define GEM_DCFG6 0x0294 /* Design Config 6 */
164#define GEM_DCFG7 0x0298 /* Design Config 7 */
ae8223de 165#define GEM_DCFG8 0x029C /* Design Config 8 */
404cd086 166#define GEM_DCFG10 0x02A4 /* Design Config 10 */
6f79eed8 167
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168#define GEM_TXBDCTRL 0x04cc /* TX Buffer Descriptor control register */
169#define GEM_RXBDCTRL 0x04d0 /* RX Buffer Descriptor control register */
170
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171/* Screener Type 2 match registers */
172#define GEM_SCRT2 0x540
173
174/* EtherType registers */
175#define GEM_ETHT 0x06E0
176
177/* Type 2 compare registers */
178#define GEM_T2CMPW0 0x0700
179#define GEM_T2CMPW1 0x0704
180#define T2CMP_OFST(t2idx) (t2idx * 2)
181
182/* type 2 compare registers
183 * each location requires 3 compare regs
184 */
185#define GEM_IP4SRC_CMP(idx) (idx * 3)
186#define GEM_IP4DST_CMP(idx) (idx * 3 + 1)
187#define GEM_PORT_CMP(idx) (idx * 3 + 2)
188
189/* Which screening type 2 EtherType register will be used (0 - 7) */
190#define SCRT2_ETHT 0
191
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192#define GEM_ISR(hw_q) (0x0400 + ((hw_q) << 2))
193#define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2))
fff8019a 194#define GEM_TBQPH(hw_q) (0x04C8)
6f79eed8 195#define GEM_RBQP(hw_q) (0x0480 + ((hw_q) << 2))
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196#define GEM_RBQS(hw_q) (0x04A0 + ((hw_q) << 2))
197#define GEM_RBQPH(hw_q) (0x04D4)
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198#define GEM_IER(hw_q) (0x0600 + ((hw_q) << 2))
199#define GEM_IDR(hw_q) (0x0620 + ((hw_q) << 2))
200#define GEM_IMR(hw_q) (0x0640 + ((hw_q) << 2))
02c958dd 201
89e5785f 202/* Bitfields in NCR */
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203#define MACB_LB_OFFSET 0 /* reserved */
204#define MACB_LB_SIZE 1
205#define MACB_LLB_OFFSET 1 /* Loop back local */
206#define MACB_LLB_SIZE 1
207#define MACB_RE_OFFSET 2 /* Receive enable */
208#define MACB_RE_SIZE 1
209#define MACB_TE_OFFSET 3 /* Transmit enable */
210#define MACB_TE_SIZE 1
211#define MACB_MPE_OFFSET 4 /* Management port enable */
212#define MACB_MPE_SIZE 1
213#define MACB_CLRSTAT_OFFSET 5 /* Clear stats regs */
214#define MACB_CLRSTAT_SIZE 1
215#define MACB_INCSTAT_OFFSET 6 /* Incremental stats regs */
216#define MACB_INCSTAT_SIZE 1
217#define MACB_WESTAT_OFFSET 7 /* Write enable stats regs */
218#define MACB_WESTAT_SIZE 1
219#define MACB_BP_OFFSET 8 /* Back pressure */
220#define MACB_BP_SIZE 1
221#define MACB_TSTART_OFFSET 9 /* Start transmission */
222#define MACB_TSTART_SIZE 1
223#define MACB_THALT_OFFSET 10 /* Transmit halt */
224#define MACB_THALT_SIZE 1
225#define MACB_NCR_TPF_OFFSET 11 /* Transmit pause frame */
226#define MACB_NCR_TPF_SIZE 1
227#define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */
228#define MACB_TZQ_SIZE 1
c2594d80 229#define MACB_SRTSM_OFFSET 15
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230#define MACB_OSSMODE_OFFSET 24 /* Enable One Step Synchro Mode */
231#define MACB_OSSMODE_SIZE 1
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232
233/* Bitfields in NCFGR */
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234#define MACB_SPD_OFFSET 0 /* Speed */
235#define MACB_SPD_SIZE 1
236#define MACB_FD_OFFSET 1 /* Full duplex */
237#define MACB_FD_SIZE 1
238#define MACB_BIT_RATE_OFFSET 2 /* Discard non-VLAN frames */
239#define MACB_BIT_RATE_SIZE 1
240#define MACB_JFRAME_OFFSET 3 /* reserved */
241#define MACB_JFRAME_SIZE 1
242#define MACB_CAF_OFFSET 4 /* Copy all frames */
243#define MACB_CAF_SIZE 1
244#define MACB_NBC_OFFSET 5 /* No broadcast */
245#define MACB_NBC_SIZE 1
246#define MACB_NCFGR_MTI_OFFSET 6 /* Multicast hash enable */
247#define MACB_NCFGR_MTI_SIZE 1
248#define MACB_UNI_OFFSET 7 /* Unicast hash enable */
249#define MACB_UNI_SIZE 1
250#define MACB_BIG_OFFSET 8 /* Receive 1536 byte frames */
251#define MACB_BIG_SIZE 1
252#define MACB_EAE_OFFSET 9 /* External address match enable */
253#define MACB_EAE_SIZE 1
254#define MACB_CLK_OFFSET 10
255#define MACB_CLK_SIZE 2
256#define MACB_RTY_OFFSET 12 /* Retry test */
257#define MACB_RTY_SIZE 1
258#define MACB_PAE_OFFSET 13 /* Pause enable */
259#define MACB_PAE_SIZE 1
260#define MACB_RM9200_RMII_OFFSET 13 /* AT91RM9200 only */
261#define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */
262#define MACB_RBOF_OFFSET 14 /* Receive buffer offset */
263#define MACB_RBOF_SIZE 2
264#define MACB_RLCE_OFFSET 16 /* Length field error frame discard */
265#define MACB_RLCE_SIZE 1
266#define MACB_DRFCS_OFFSET 17 /* FCS remove */
267#define MACB_DRFCS_SIZE 1
268#define MACB_EFRHD_OFFSET 18
269#define MACB_EFRHD_SIZE 1
270#define MACB_IRXFCS_OFFSET 19
271#define MACB_IRXFCS_SIZE 1
89e5785f 272
70c9f3d4 273/* GEM specific NCFGR bitfields. */
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274#define GEM_GBE_OFFSET 10 /* Gigabit mode enable */
275#define GEM_GBE_SIZE 1
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276#define GEM_PCSSEL_OFFSET 11
277#define GEM_PCSSEL_SIZE 1
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278#define GEM_CLK_OFFSET 18 /* MDC clock division */
279#define GEM_CLK_SIZE 3
280#define GEM_DBW_OFFSET 21 /* Data bus width */
281#define GEM_DBW_SIZE 2
282#define GEM_RXCOEN_OFFSET 24
283#define GEM_RXCOEN_SIZE 1
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284#define GEM_SGMIIEN_OFFSET 27
285#define GEM_SGMIIEN_SIZE 1
286
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287
288/* Constants for data bus width. */
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289#define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */
290#define GEM_DBW64 1 /* 64 bit AMBA AHB data bus width */
291#define GEM_DBW128 2 /* 128 bit AMBA AHB data bus width */
757a03c6 292
0116da4f 293/* Bitfields in DMACFG. */
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294#define GEM_FBLDO_OFFSET 0 /* fixed burst length for DMA */
295#define GEM_FBLDO_SIZE 5
a50dad35 296#define GEM_ENDIA_DESC_OFFSET 6 /* endian swap mode for management descriptor access */
ea373041 297#define GEM_ENDIA_DESC_SIZE 1
a50dad35 298#define GEM_ENDIA_PKT_OFFSET 7 /* endian swap mode for packet data access */
ea373041 299#define GEM_ENDIA_PKT_SIZE 1
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300#define GEM_RXBMS_OFFSET 8 /* RX packet buffer memory size select */
301#define GEM_RXBMS_SIZE 2
302#define GEM_TXPBMS_OFFSET 10 /* TX packet buffer memory size select */
303#define GEM_TXPBMS_SIZE 1
304#define GEM_TXCOEN_OFFSET 11 /* TX IP/TCP/UDP checksum gen offload */
305#define GEM_TXCOEN_SIZE 1
306#define GEM_RXBS_OFFSET 16 /* DMA receive buffer size */
307#define GEM_RXBS_SIZE 8
308#define GEM_DDRP_OFFSET 24 /* disc_when_no_ahb */
309#define GEM_DDRP_SIZE 1
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310#define GEM_RXEXT_OFFSET 28 /* RX extended Buffer Descriptor mode */
311#define GEM_RXEXT_SIZE 1
312#define GEM_TXEXT_OFFSET 29 /* TX extended Buffer Descriptor mode */
313#define GEM_TXEXT_SIZE 1
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314#define GEM_ADDR64_OFFSET 30 /* Address bus width - 64b or 32b */
315#define GEM_ADDR64_SIZE 1
b3e3bd71 316
0116da4f 317
89e5785f 318/* Bitfields in NSR */
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319#define MACB_NSR_LINK_OFFSET 0 /* pcs_link_state */
320#define MACB_NSR_LINK_SIZE 1
321#define MACB_MDIO_OFFSET 1 /* status of the mdio_in pin */
322#define MACB_MDIO_SIZE 1
323#define MACB_IDLE_OFFSET 2 /* The PHY management logic is idle */
324#define MACB_IDLE_SIZE 1
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325
326/* Bitfields in TSR */
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327#define MACB_UBR_OFFSET 0 /* Used bit read */
328#define MACB_UBR_SIZE 1
329#define MACB_COL_OFFSET 1 /* Collision occurred */
330#define MACB_COL_SIZE 1
331#define MACB_TSR_RLE_OFFSET 2 /* Retry limit exceeded */
332#define MACB_TSR_RLE_SIZE 1
333#define MACB_TGO_OFFSET 3 /* Transmit go */
334#define MACB_TGO_SIZE 1
335#define MACB_BEX_OFFSET 4 /* TX frame corruption due to AHB error */
336#define MACB_BEX_SIZE 1
337#define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */
338#define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */
339#define MACB_COMP_OFFSET 5 /* Trnasmit complete */
340#define MACB_COMP_SIZE 1
341#define MACB_UND_OFFSET 6 /* Trnasmit under run */
342#define MACB_UND_SIZE 1
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343
344/* Bitfields in RSR */
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345#define MACB_BNA_OFFSET 0 /* Buffer not available */
346#define MACB_BNA_SIZE 1
347#define MACB_REC_OFFSET 1 /* Frame received */
348#define MACB_REC_SIZE 1
349#define MACB_OVR_OFFSET 2 /* Receive overrun */
350#define MACB_OVR_SIZE 1
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351
352/* Bitfields in ISR/IER/IDR/IMR */
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353#define MACB_MFD_OFFSET 0 /* Management frame sent */
354#define MACB_MFD_SIZE 1
355#define MACB_RCOMP_OFFSET 1 /* Receive complete */
356#define MACB_RCOMP_SIZE 1
357#define MACB_RXUBR_OFFSET 2 /* RX used bit read */
358#define MACB_RXUBR_SIZE 1
359#define MACB_TXUBR_OFFSET 3 /* TX used bit read */
360#define MACB_TXUBR_SIZE 1
361#define MACB_ISR_TUND_OFFSET 4 /* Enable TX buffer under run interrupt */
362#define MACB_ISR_TUND_SIZE 1
363#define MACB_ISR_RLE_OFFSET 5 /* EN retry exceeded/late coll interrupt */
364#define MACB_ISR_RLE_SIZE 1
365#define MACB_TXERR_OFFSET 6 /* EN TX frame corrupt from error interrupt */
366#define MACB_TXERR_SIZE 1
367#define MACB_TCOMP_OFFSET 7 /* Enable transmit complete interrupt */
368#define MACB_TCOMP_SIZE 1
369#define MACB_ISR_LINK_OFFSET 9 /* Enable link change interrupt */
370#define MACB_ISR_LINK_SIZE 1
371#define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun interrupt */
372#define MACB_ISR_ROVR_SIZE 1
373#define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK interrupt */
374#define MACB_HRESP_SIZE 1
375#define MACB_PFR_OFFSET 12 /* Enable pause frame w/ quantum interrupt */
376#define MACB_PFR_SIZE 1
377#define MACB_PTZ_OFFSET 13 /* Enable pause time zero interrupt */
378#define MACB_PTZ_SIZE 1
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379#define MACB_WOL_OFFSET 14 /* Enable wake-on-lan interrupt */
380#define MACB_WOL_SIZE 1
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381#define MACB_DRQFR_OFFSET 18 /* PTP Delay Request Frame Received */
382#define MACB_DRQFR_SIZE 1
383#define MACB_SFR_OFFSET 19 /* PTP Sync Frame Received */
384#define MACB_SFR_SIZE 1
385#define MACB_DRQFT_OFFSET 20 /* PTP Delay Request Frame Transmitted */
386#define MACB_DRQFT_SIZE 1
387#define MACB_SFT_OFFSET 21 /* PTP Sync Frame Transmitted */
388#define MACB_SFT_SIZE 1
389#define MACB_PDRQFR_OFFSET 22 /* PDelay Request Frame Received */
390#define MACB_PDRQFR_SIZE 1
391#define MACB_PDRSFR_OFFSET 23 /* PDelay Response Frame Received */
392#define MACB_PDRSFR_SIZE 1
393#define MACB_PDRQFT_OFFSET 24 /* PDelay Request Frame Transmitted */
394#define MACB_PDRQFT_SIZE 1
395#define MACB_PDRSFT_OFFSET 25 /* PDelay Response Frame Transmitted */
396#define MACB_PDRSFT_SIZE 1
397#define MACB_SRI_OFFSET 26 /* TSU Seconds Register Increment */
398#define MACB_SRI_SIZE 1
399
400/* Timer increment fields */
401#define MACB_TI_CNS_OFFSET 0
402#define MACB_TI_CNS_SIZE 8
403#define MACB_TI_ACNS_OFFSET 8
404#define MACB_TI_ACNS_SIZE 8
405#define MACB_TI_NIT_OFFSET 16
406#define MACB_TI_NIT_SIZE 8
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407
408/* Bitfields in MAN */
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409#define MACB_DATA_OFFSET 0 /* data */
410#define MACB_DATA_SIZE 16
411#define MACB_CODE_OFFSET 16 /* Must be written to 10 */
412#define MACB_CODE_SIZE 2
413#define MACB_REGA_OFFSET 18 /* Register address */
414#define MACB_REGA_SIZE 5
415#define MACB_PHYA_OFFSET 23 /* PHY address */
416#define MACB_PHYA_SIZE 5
417#define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 is write. */
418#define MACB_RW_SIZE 2
419#define MACB_SOF_OFFSET 30 /* Must be written to 1 for Clause 22 */
420#define MACB_SOF_SIZE 2
89e5785f 421
0cc8674f 422/* Bitfields in USRIO (AVR32) */
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HS
423#define MACB_MII_OFFSET 0
424#define MACB_MII_SIZE 1
425#define MACB_EAM_OFFSET 1
426#define MACB_EAM_SIZE 1
427#define MACB_TX_PAUSE_OFFSET 2
428#define MACB_TX_PAUSE_SIZE 1
429#define MACB_TX_PAUSE_ZERO_OFFSET 3
430#define MACB_TX_PAUSE_ZERO_SIZE 1
431
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AV
432/* Bitfields in USRIO (AT91) */
433#define MACB_RMII_OFFSET 0
434#define MACB_RMII_SIZE 1
5c2fa0f6 435#define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */
140b7552 436#define GEM_RGMII_SIZE 1
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AV
437#define MACB_CLKEN_OFFSET 1
438#define MACB_CLKEN_SIZE 1
439
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HS
440/* Bitfields in WOL */
441#define MACB_IP_OFFSET 0
442#define MACB_IP_SIZE 16
443#define MACB_MAG_OFFSET 16
444#define MACB_MAG_SIZE 1
445#define MACB_ARP_OFFSET 17
446#define MACB_ARP_SIZE 1
447#define MACB_SA1_OFFSET 18
448#define MACB_SA1_SIZE 1
449#define MACB_WOL_MTI_OFFSET 19
450#define MACB_WOL_MTI_SIZE 1
451
f75ba50b
JI
452/* Bitfields in MID */
453#define MACB_IDNUM_OFFSET 16
d941bebf 454#define MACB_IDNUM_SIZE 12
f75ba50b
JI
455#define MACB_REV_OFFSET 0
456#define MACB_REV_SIZE 16
457
757a03c6 458/* Bitfields in DCFG1. */
581df9e1
NF
459#define GEM_IRQCOR_OFFSET 23
460#define GEM_IRQCOR_SIZE 1
757a03c6
JI
461#define GEM_DBWDEF_OFFSET 25
462#define GEM_DBWDEF_SIZE 3
463
e175587f
NF
464/* Bitfields in DCFG2. */
465#define GEM_RX_PKT_BUFF_OFFSET 20
466#define GEM_RX_PKT_BUFF_SIZE 1
467#define GEM_TX_PKT_BUFF_OFFSET 21
468#define GEM_TX_PKT_BUFF_SIZE 1
469
7b429614
RO
470
471/* Bitfields in DCFG5. */
472#define GEM_TSU_OFFSET 8
473#define GEM_TSU_SIZE 1
474
1629dd4f
RO
475/* Bitfields in DCFG6. */
476#define GEM_PBUF_LSO_OFFSET 27
477#define GEM_PBUF_LSO_SIZE 1
dc97a89e
RO
478#define GEM_DAW64_OFFSET 23
479#define GEM_DAW64_SIZE 1
1629dd4f 480
ae8223de
RO
481/* Bitfields in DCFG8. */
482#define GEM_T1SCR_OFFSET 24
483#define GEM_T1SCR_SIZE 8
484#define GEM_T2SCR_OFFSET 16
485#define GEM_T2SCR_SIZE 8
486#define GEM_SCR2ETH_OFFSET 8
487#define GEM_SCR2ETH_SIZE 8
488#define GEM_SCR2CMP_OFFSET 0
489#define GEM_SCR2CMP_SIZE 8
490
404cd086
HK
491/* Bitfields in DCFG10 */
492#define GEM_TXBD_RDBUFF_OFFSET 12
493#define GEM_TXBD_RDBUFF_SIZE 4
494#define GEM_RXBD_RDBUFF_OFFSET 8
495#define GEM_RXBD_RDBUFF_SIZE 4
496
c2594d80
AP
497/* Bitfields in TISUBN */
498#define GEM_SUBNSINCR_OFFSET 0
7ad342bc
HK
499#define GEM_SUBNSINCRL_OFFSET 24
500#define GEM_SUBNSINCRL_SIZE 8
501#define GEM_SUBNSINCRH_OFFSET 0
502#define GEM_SUBNSINCRH_SIZE 16
503#define GEM_SUBNSINCR_SIZE 24
c2594d80
AP
504
505/* Bitfields in TI */
506#define GEM_NSINCR_OFFSET 0
507#define GEM_NSINCR_SIZE 8
508
ab91f0a9
RO
509/* Bitfields in TSH */
510#define GEM_TSH_OFFSET 0 /* TSU timer value (s). MSB [47:32] of seconds timer count */
511#define GEM_TSH_SIZE 16
512
513/* Bitfields in TSL */
514#define GEM_TSL_OFFSET 0 /* TSU timer value (s). LSB [31:0] of seconds timer count */
515#define GEM_TSL_SIZE 32
516
517/* Bitfields in TN */
518#define GEM_TN_OFFSET 0 /* TSU timer value (ns) */
519#define GEM_TN_SIZE 30
520
521/* Bitfields in TXBDCTRL */
522#define GEM_TXTSMODE_OFFSET 4 /* TX Descriptor Timestamp Insertion mode */
523#define GEM_TXTSMODE_SIZE 2
524
525/* Bitfields in RXBDCTRL */
526#define GEM_RXTSMODE_OFFSET 4 /* RX Descriptor Timestamp Insertion mode */
527#define GEM_RXTSMODE_SIZE 2
528
ae8223de
RO
529/* Bitfields in SCRT2 */
530#define GEM_QUEUE_OFFSET 0 /* Queue Number */
531#define GEM_QUEUE_SIZE 4
532#define GEM_VLANPR_OFFSET 4 /* VLAN Priority */
533#define GEM_VLANPR_SIZE 3
534#define GEM_VLANEN_OFFSET 8 /* VLAN Enable */
535#define GEM_VLANEN_SIZE 1
536#define GEM_ETHT2IDX_OFFSET 9 /* Index to screener type 2 EtherType register */
537#define GEM_ETHT2IDX_SIZE 3
538#define GEM_ETHTEN_OFFSET 12 /* EtherType Enable */
539#define GEM_ETHTEN_SIZE 1
540#define GEM_CMPA_OFFSET 13 /* Compare A - Index to screener type 2 Compare register */
541#define GEM_CMPA_SIZE 5
542#define GEM_CMPAEN_OFFSET 18 /* Compare A Enable */
543#define GEM_CMPAEN_SIZE 1
544#define GEM_CMPB_OFFSET 19 /* Compare B - Index to screener type 2 Compare register */
545#define GEM_CMPB_SIZE 5
546#define GEM_CMPBEN_OFFSET 24 /* Compare B Enable */
547#define GEM_CMPBEN_SIZE 1
548#define GEM_CMPC_OFFSET 25 /* Compare C - Index to screener type 2 Compare register */
549#define GEM_CMPC_SIZE 5
550#define GEM_CMPCEN_OFFSET 30 /* Compare C Enable */
551#define GEM_CMPCEN_SIZE 1
552
553/* Bitfields in ETHT */
554#define GEM_ETHTCMP_OFFSET 0 /* EtherType compare value */
555#define GEM_ETHTCMP_SIZE 16
556
557/* Bitfields in T2CMPW0 */
558#define GEM_T2CMP_OFFSET 16 /* 0xFFFF0000 compare value */
559#define GEM_T2CMP_SIZE 16
560#define GEM_T2MASK_OFFSET 0 /* 0x0000FFFF compare value or mask */
561#define GEM_T2MASK_SIZE 16
562
563/* Bitfields in T2CMPW1 */
564#define GEM_T2DISMSK_OFFSET 9 /* disable mask */
565#define GEM_T2DISMSK_SIZE 1
566#define GEM_T2CMPOFST_OFFSET 7 /* compare offset */
567#define GEM_T2CMPOFST_SIZE 2
568#define GEM_T2OFST_OFFSET 0 /* offset value */
569#define GEM_T2OFST_SIZE 7
570
571/* Offset for screener type 2 compare values (T2CMPOFST).
572 * Note the offset is applied after the specified point,
573 * e.g. GEM_T2COMPOFST_ETYPE denotes the EtherType field, so an offset
574 * of 12 bytes from this would be the source IP address in an IP header
575 */
576#define GEM_T2COMPOFST_SOF 0
577#define GEM_T2COMPOFST_ETYPE 1
578#define GEM_T2COMPOFST_IPHDR 2
579#define GEM_T2COMPOFST_TCPUDP 3
580
581/* offset from EtherType to IP address */
582#define ETYPE_SRCIP_OFFSET 12
583#define ETYPE_DSTIP_OFFSET 16
584
585/* offset from IP header to port */
586#define IPHDR_SRCPORT_OFFSET 0
587#define IPHDR_DSTPORT_OFFSET 2
588
ab91f0a9
RO
589/* Transmit DMA buffer descriptor Word 1 */
590#define GEM_DMA_TXVALID_OFFSET 23 /* timestamp has been captured in the Buffer Descriptor */
591#define GEM_DMA_TXVALID_SIZE 1
592
593/* Receive DMA buffer descriptor Word 0 */
594#define GEM_DMA_RXVALID_OFFSET 2 /* indicates a valid timestamp in the Buffer Descriptor */
595#define GEM_DMA_RXVALID_SIZE 1
596
597/* DMA buffer descriptor Word 2 (32 bit addressing) or Word 4 (64 bit addressing) */
598#define GEM_DMA_SECL_OFFSET 30 /* Timestamp seconds[1:0] */
599#define GEM_DMA_SECL_SIZE 2
600#define GEM_DMA_NSEC_OFFSET 0 /* Timestamp nanosecs [29:0] */
601#define GEM_DMA_NSEC_SIZE 30
602
603/* DMA buffer descriptor Word 3 (32 bit addressing) or Word 5 (64 bit addressing) */
604
605/* New hardware supports 12 bit precision of timestamp in DMA buffer descriptor.
606 * Old hardware supports only 6 bit precision but it is enough for PTP.
607 * Less accuracy is used always instead of checking hardware version.
608 */
609#define GEM_DMA_SECH_OFFSET 0 /* Timestamp seconds[5:2] */
610#define GEM_DMA_SECH_SIZE 4
611#define GEM_DMA_SEC_WIDTH (GEM_DMA_SECH_SIZE + GEM_DMA_SECL_SIZE)
612#define GEM_DMA_SEC_TOP (1 << GEM_DMA_SEC_WIDTH)
613#define GEM_DMA_SEC_MASK (GEM_DMA_SEC_TOP - 1)
614
c2594d80
AP
615/* Bitfields in ADJ */
616#define GEM_ADDSUB_OFFSET 31
617#define GEM_ADDSUB_SIZE 1
89e5785f
HS
618/* Constants for CLK */
619#define MACB_CLK_DIV8 0
620#define MACB_CLK_DIV16 1
621#define MACB_CLK_DIV32 2
622#define MACB_CLK_DIV64 3
623
70c9f3d4
JI
624/* GEM specific constants for CLK. */
625#define GEM_CLK_DIV8 0
626#define GEM_CLK_DIV16 1
627#define GEM_CLK_DIV32 2
628#define GEM_CLK_DIV48 3
629#define GEM_CLK_DIV64 4
630#define GEM_CLK_DIV96 5
631
89e5785f 632/* Constants for MAN register */
43ad352d
MP
633#define MACB_MAN_C22_SOF 1
634#define MACB_MAN_C22_WRITE 1
635#define MACB_MAN_C22_READ 2
636#define MACB_MAN_C22_CODE 2
637
638#define MACB_MAN_C45_SOF 0
639#define MACB_MAN_C45_ADDR 0
640#define MACB_MAN_C45_WRITE 1
641#define MACB_MAN_C45_POST_READ_INCR 2
642#define MACB_MAN_C45_READ 3
643#define MACB_MAN_C45_CODE 2
89e5785f 644
581df9e1 645/* Capability mask bits */
e175587f 646#define MACB_CAPS_ISR_CLEAR_ON_WRITE 0x00000001
a8487489 647#define MACB_CAPS_USRIO_HAS_CLKEN 0x00000002
6bdaa5e9 648#define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII 0x00000004
222ca8e0 649#define MACB_CAPS_NO_GIGABIT_HALF 0x00000008
ce721a70 650#define MACB_CAPS_USRIO_DISABLED 0x00000010
c5181895 651#define MACB_CAPS_JUMBO 0x00000020
c2594d80 652#define MACB_CAPS_GEM_HAS_PTP 0x00000040
404cd086 653#define MACB_CAPS_BD_RD_PREFETCH 0x00000080
e501070e 654#define MACB_CAPS_NEEDS_RSTONUBR 0x00000100
ac2fcfa9 655#define MACB_CAPS_MACB_IS_EMAC 0x08000000
e175587f
NF
656#define MACB_CAPS_FIFO_MODE 0x10000000
657#define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000
a4c35ed3 658#define MACB_CAPS_SG_DISABLED 0x40000000
e175587f 659#define MACB_CAPS_MACB_IS_GEM 0x80000000
581df9e1 660
1629dd4f
RO
661/* LSO settings */
662#define MACB_LSO_UFO_ENABLE 0x01
663#define MACB_LSO_TSO_ENABLE 0x02
664
89e5785f
HS
665/* Bit manipulation macros */
666#define MACB_BIT(name) \
667 (1 << MACB_##name##_OFFSET)
668#define MACB_BF(name,value) \
669 (((value) & ((1 << MACB_##name##_SIZE) - 1)) \
670 << MACB_##name##_OFFSET)
671#define MACB_BFEXT(name,value)\
672 (((value) >> MACB_##name##_OFFSET) \
673 & ((1 << MACB_##name##_SIZE) - 1))
674#define MACB_BFINS(name,value,old) \
675 (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \
676 << MACB_##name##_OFFSET)) \
677 | MACB_BF(name,value))
678
f75ba50b
JI
679#define GEM_BIT(name) \
680 (1 << GEM_##name##_OFFSET)
681#define GEM_BF(name, value) \
682 (((value) & ((1 << GEM_##name##_SIZE) - 1)) \
683 << GEM_##name##_OFFSET)
684#define GEM_BFEXT(name, value)\
685 (((value) >> GEM_##name##_OFFSET) \
686 & ((1 << GEM_##name##_SIZE) - 1))
687#define GEM_BFINS(name, value, old) \
688 (((old) & ~(((1 << GEM_##name##_SIZE) - 1) \
689 << GEM_##name##_OFFSET)) \
690 | GEM_BF(name, value))
691
89e5785f 692/* Register access macros */
7a6e0706
DM
693#define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg)
694#define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value))
695#define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg)
696#define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value))
697#define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg)
698#define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value))
ae8223de
RO
699#define gem_readl_n(port, reg, idx) (port)->macb_reg_readl((port), GEM_##reg + idx * 4)
700#define gem_writel_n(port, reg, idx, value) (port)->macb_reg_writel((port), GEM_##reg + idx * 4, (value))
f75ba50b 701
ab91f0a9
RO
702#define PTP_TS_BUFFER_SIZE 128 /* must be power of 2 */
703
6f79eed8 704/* Conditional GEM/MACB macros. These perform the operation to the correct
f75ba50b
JI
705 * register dependent on whether the device is a GEM or a MACB. For registers
706 * and bitfields that are common across both devices, use macb_{read,write}l
707 * to avoid the cost of the conditional.
708 */
709#define macb_or_gem_writel(__bp, __reg, __value) \
710 ({ \
711 if (macb_is_gem((__bp))) \
712 gem_writel((__bp), __reg, __value); \
713 else \
714 macb_writel((__bp), __reg, __value); \
715 })
716
717#define macb_or_gem_readl(__bp, __reg) \
718 ({ \
719 u32 __v; \
720 if (macb_is_gem((__bp))) \
721 __v = gem_readl((__bp), __reg); \
722 else \
723 __v = macb_readl((__bp), __reg); \
724 __v; \
725 })
89e5785f 726
8beb79b7
HK
727#define MACB_READ_NSR(bp) macb_readl(bp, NSR)
728
6f79eed8 729/* struct macb_dma_desc - Hardware DMA descriptor
55054a16
HS
730 * @addr: DMA address of data buffer
731 * @ctrl: Control and status bits
732 */
733struct macb_dma_desc {
89e5785f
HS
734 u32 addr;
735 u32 ctrl;
dc97a89e
RO
736};
737
7b429614
RO
738#ifdef MACB_EXT_DESC
739#define HW_DMA_CAP_32B 0
740#define HW_DMA_CAP_64B (1 << 0)
741#define HW_DMA_CAP_PTP (1 << 1)
742#define HW_DMA_CAP_64B_PTP (HW_DMA_CAP_64B | HW_DMA_CAP_PTP)
89e5785f 743
dc97a89e
RO
744struct macb_dma_desc_64 {
745 u32 addrh;
746 u32 resvd;
89e5785f 747};
7b429614
RO
748
749struct macb_dma_desc_ptp {
750 u32 ts_1;
751 u32 ts_2;
752};
ab91f0a9
RO
753
754struct gem_tx_ts {
755 struct sk_buff *skb;
756 struct macb_dma_desc_ptp desc_ptp;
757};
dc97a89e 758#endif
89e5785f
HS
759
760/* DMA descriptor bitfields */
761#define MACB_RX_USED_OFFSET 0
762#define MACB_RX_USED_SIZE 1
763#define MACB_RX_WRAP_OFFSET 1
764#define MACB_RX_WRAP_SIZE 1
765#define MACB_RX_WADDR_OFFSET 2
766#define MACB_RX_WADDR_SIZE 30
767
768#define MACB_RX_FRMLEN_OFFSET 0
769#define MACB_RX_FRMLEN_SIZE 12
770#define MACB_RX_OFFSET_OFFSET 12
771#define MACB_RX_OFFSET_SIZE 2
772#define MACB_RX_SOF_OFFSET 14
773#define MACB_RX_SOF_SIZE 1
774#define MACB_RX_EOF_OFFSET 15
775#define MACB_RX_EOF_SIZE 1
776#define MACB_RX_CFI_OFFSET 16
777#define MACB_RX_CFI_SIZE 1
778#define MACB_RX_VLAN_PRI_OFFSET 17
779#define MACB_RX_VLAN_PRI_SIZE 3
780#define MACB_RX_PRI_TAG_OFFSET 20
781#define MACB_RX_PRI_TAG_SIZE 1
782#define MACB_RX_VLAN_TAG_OFFSET 21
783#define MACB_RX_VLAN_TAG_SIZE 1
784#define MACB_RX_TYPEID_MATCH_OFFSET 22
785#define MACB_RX_TYPEID_MATCH_SIZE 1
786#define MACB_RX_SA4_MATCH_OFFSET 23
787#define MACB_RX_SA4_MATCH_SIZE 1
788#define MACB_RX_SA3_MATCH_OFFSET 24
789#define MACB_RX_SA3_MATCH_SIZE 1
790#define MACB_RX_SA2_MATCH_OFFSET 25
791#define MACB_RX_SA2_MATCH_SIZE 1
792#define MACB_RX_SA1_MATCH_OFFSET 26
793#define MACB_RX_SA1_MATCH_SIZE 1
794#define MACB_RX_EXT_MATCH_OFFSET 28
795#define MACB_RX_EXT_MATCH_SIZE 1
796#define MACB_RX_UHASH_MATCH_OFFSET 29
797#define MACB_RX_UHASH_MATCH_SIZE 1
798#define MACB_RX_MHASH_MATCH_OFFSET 30
799#define MACB_RX_MHASH_MATCH_SIZE 1
800#define MACB_RX_BROADCAST_OFFSET 31
801#define MACB_RX_BROADCAST_SIZE 1
802
98b5a0f4
HK
803#define MACB_RX_FRMLEN_MASK 0xFFF
804#define MACB_RX_JFRMLEN_MASK 0x3FFF
805
924ec53c
CP
806/* RX checksum offload disabled: bit 24 clear in NCFGR */
807#define GEM_RX_TYPEID_MATCH_OFFSET 22
808#define GEM_RX_TYPEID_MATCH_SIZE 2
809
810/* RX checksum offload enabled: bit 24 set in NCFGR */
811#define GEM_RX_CSUM_OFFSET 22
812#define GEM_RX_CSUM_SIZE 2
813
89e5785f
HS
814#define MACB_TX_FRMLEN_OFFSET 0
815#define MACB_TX_FRMLEN_SIZE 11
816#define MACB_TX_LAST_OFFSET 15
817#define MACB_TX_LAST_SIZE 1
818#define MACB_TX_NOCRC_OFFSET 16
819#define MACB_TX_NOCRC_SIZE 1
1629dd4f
RO
820#define MACB_MSS_MFS_OFFSET 16
821#define MACB_MSS_MFS_SIZE 14
822#define MACB_TX_LSO_OFFSET 17
823#define MACB_TX_LSO_SIZE 2
824#define MACB_TX_TCP_SEQ_SRC_OFFSET 19
825#define MACB_TX_TCP_SEQ_SRC_SIZE 1
89e5785f
HS
826#define MACB_TX_BUF_EXHAUSTED_OFFSET 27
827#define MACB_TX_BUF_EXHAUSTED_SIZE 1
828#define MACB_TX_UNDERRUN_OFFSET 28
829#define MACB_TX_UNDERRUN_SIZE 1
830#define MACB_TX_ERROR_OFFSET 29
831#define MACB_TX_ERROR_SIZE 1
832#define MACB_TX_WRAP_OFFSET 30
833#define MACB_TX_WRAP_SIZE 1
834#define MACB_TX_USED_OFFSET 31
835#define MACB_TX_USED_SIZE 1
836
a4c35ed3
CP
837#define GEM_TX_FRMLEN_OFFSET 0
838#define GEM_TX_FRMLEN_SIZE 14
839
924ec53c
CP
840/* Buffer descriptor constants */
841#define GEM_RX_CSUM_NONE 0
842#define GEM_RX_CSUM_IP_ONLY 1
843#define GEM_RX_CSUM_IP_TCP 2
844#define GEM_RX_CSUM_IP_UDP 3
845
846/* limit RX checksum offload to TCP and UDP packets */
847#define GEM_RX_CSUM_CHECKED_MASK 2
848
a8ee4dc1
HK
849/* Scaled PPM fraction */
850#define PPM_FRACTION 16
851
6f79eed8 852/* struct macb_tx_skb - data about an skb which is being transmitted
a4c35ed3
CP
853 * @skb: skb currently being transmitted, only set for the last buffer
854 * of the frame
855 * @mapping: DMA address of the skb's fragment buffer
856 * @size: size of the DMA mapped buffer
857 * @mapped_as_page: true when buffer was mapped with skb_frag_dma_map(),
858 * false when buffer was mapped with dma_map_single()
55054a16
HS
859 */
860struct macb_tx_skb {
89e5785f
HS
861 struct sk_buff *skb;
862 dma_addr_t mapping;
a4c35ed3
CP
863 size_t size;
864 bool mapped_as_page;
89e5785f
HS
865};
866
6f79eed8 867/* Hardware-collected statistics. Used when updating the network
89e5785f
HS
868 * device stats by a periodic timer.
869 */
870struct macb_stats {
871 u32 rx_pause_frames;
872 u32 tx_ok;
873 u32 tx_single_cols;
874 u32 tx_multiple_cols;
875 u32 rx_ok;
876 u32 rx_fcs_errors;
877 u32 rx_align_errors;
878 u32 tx_deferred;
879 u32 tx_late_cols;
880 u32 tx_excessive_cols;
881 u32 tx_underruns;
882 u32 tx_carrier_errors;
883 u32 rx_resource_errors;
884 u32 rx_overruns;
885 u32 rx_symbol_errors;
886 u32 rx_oversize_pkts;
887 u32 rx_jabbers;
888 u32 rx_undersize_pkts;
889 u32 sqe_test_errors;
890 u32 rx_length_mismatch;
891 u32 tx_pause_frames;
892};
893
a494ed8e
JI
894struct gem_stats {
895 u32 tx_octets_31_0;
896 u32 tx_octets_47_32;
897 u32 tx_frames;
898 u32 tx_broadcast_frames;
899 u32 tx_multicast_frames;
900 u32 tx_pause_frames;
901 u32 tx_64_byte_frames;
902 u32 tx_65_127_byte_frames;
903 u32 tx_128_255_byte_frames;
904 u32 tx_256_511_byte_frames;
905 u32 tx_512_1023_byte_frames;
906 u32 tx_1024_1518_byte_frames;
907 u32 tx_greater_than_1518_byte_frames;
908 u32 tx_underrun;
909 u32 tx_single_collision_frames;
910 u32 tx_multiple_collision_frames;
911 u32 tx_excessive_collisions;
912 u32 tx_late_collisions;
913 u32 tx_deferred_frames;
914 u32 tx_carrier_sense_errors;
915 u32 rx_octets_31_0;
916 u32 rx_octets_47_32;
917 u32 rx_frames;
918 u32 rx_broadcast_frames;
919 u32 rx_multicast_frames;
920 u32 rx_pause_frames;
921 u32 rx_64_byte_frames;
922 u32 rx_65_127_byte_frames;
923 u32 rx_128_255_byte_frames;
924 u32 rx_256_511_byte_frames;
925 u32 rx_512_1023_byte_frames;
926 u32 rx_1024_1518_byte_frames;
927 u32 rx_greater_than_1518_byte_frames;
928 u32 rx_undersized_frames;
929 u32 rx_oversize_frames;
930 u32 rx_jabbers;
931 u32 rx_frame_check_sequence_errors;
932 u32 rx_length_field_frame_errors;
933 u32 rx_symbol_errors;
934 u32 rx_alignment_errors;
935 u32 rx_resource_errors;
936 u32 rx_overruns;
937 u32 rx_ip_header_checksum_errors;
938 u32 rx_tcp_checksum_errors;
939 u32 rx_udp_checksum_errors;
940};
941
3ff13f1c
XH
942/* Describes the name and offset of an individual statistic register, as
943 * returned by `ethtool -S`. Also describes which net_device_stats statistics
944 * this register should contribute to.
945 */
946struct gem_statistic {
947 char stat_string[ETH_GSTRING_LEN];
948 int offset;
949 u32 stat_bits;
950};
951
952/* Bitfield defs for net_device_stat statistics */
953#define GEM_NDS_RXERR_OFFSET 0
954#define GEM_NDS_RXLENERR_OFFSET 1
955#define GEM_NDS_RXOVERERR_OFFSET 2
956#define GEM_NDS_RXCRCERR_OFFSET 3
957#define GEM_NDS_RXFRAMEERR_OFFSET 4
958#define GEM_NDS_RXFIFOERR_OFFSET 5
959#define GEM_NDS_TXERR_OFFSET 6
960#define GEM_NDS_TXABORTEDERR_OFFSET 7
961#define GEM_NDS_TXCARRIERERR_OFFSET 8
962#define GEM_NDS_TXFIFOERR_OFFSET 9
963#define GEM_NDS_COLLISIONS_OFFSET 10
964
965#define GEM_STAT_TITLE(name, title) GEM_STAT_TITLE_BITS(name, title, 0)
966#define GEM_STAT_TITLE_BITS(name, title, bits) { \
967 .stat_string = title, \
968 .offset = GEM_##name, \
969 .stat_bits = bits \
970}
971
972/* list of gem statistic registers. The names MUST match the
973 * corresponding GEM_* definitions.
974 */
975static const struct gem_statistic gem_statistics[] = {
976 GEM_STAT_TITLE(OCTTXL, "tx_octets"), /* OCTTXH combined with OCTTXL */
977 GEM_STAT_TITLE(TXCNT, "tx_frames"),
978 GEM_STAT_TITLE(TXBCCNT, "tx_broadcast_frames"),
979 GEM_STAT_TITLE(TXMCCNT, "tx_multicast_frames"),
980 GEM_STAT_TITLE(TXPAUSECNT, "tx_pause_frames"),
981 GEM_STAT_TITLE(TX64CNT, "tx_64_byte_frames"),
982 GEM_STAT_TITLE(TX65CNT, "tx_65_127_byte_frames"),
983 GEM_STAT_TITLE(TX128CNT, "tx_128_255_byte_frames"),
984 GEM_STAT_TITLE(TX256CNT, "tx_256_511_byte_frames"),
985 GEM_STAT_TITLE(TX512CNT, "tx_512_1023_byte_frames"),
986 GEM_STAT_TITLE(TX1024CNT, "tx_1024_1518_byte_frames"),
987 GEM_STAT_TITLE(TX1519CNT, "tx_greater_than_1518_byte_frames"),
988 GEM_STAT_TITLE_BITS(TXURUNCNT, "tx_underrun",
989 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_TXFIFOERR)),
990 GEM_STAT_TITLE_BITS(SNGLCOLLCNT, "tx_single_collision_frames",
991 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
992 GEM_STAT_TITLE_BITS(MULTICOLLCNT, "tx_multiple_collision_frames",
993 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
994 GEM_STAT_TITLE_BITS(EXCESSCOLLCNT, "tx_excessive_collisions",
995 GEM_BIT(NDS_TXERR)|
996 GEM_BIT(NDS_TXABORTEDERR)|
997 GEM_BIT(NDS_COLLISIONS)),
998 GEM_STAT_TITLE_BITS(LATECOLLCNT, "tx_late_collisions",
999 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
1000 GEM_STAT_TITLE(TXDEFERCNT, "tx_deferred_frames"),
1001 GEM_STAT_TITLE_BITS(TXCSENSECNT, "tx_carrier_sense_errors",
1002 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
1003 GEM_STAT_TITLE(OCTRXL, "rx_octets"), /* OCTRXH combined with OCTRXL */
1004 GEM_STAT_TITLE(RXCNT, "rx_frames"),
1005 GEM_STAT_TITLE(RXBROADCNT, "rx_broadcast_frames"),
1006 GEM_STAT_TITLE(RXMULTICNT, "rx_multicast_frames"),
1007 GEM_STAT_TITLE(RXPAUSECNT, "rx_pause_frames"),
1008 GEM_STAT_TITLE(RX64CNT, "rx_64_byte_frames"),
1009 GEM_STAT_TITLE(RX65CNT, "rx_65_127_byte_frames"),
1010 GEM_STAT_TITLE(RX128CNT, "rx_128_255_byte_frames"),
1011 GEM_STAT_TITLE(RX256CNT, "rx_256_511_byte_frames"),
1012 GEM_STAT_TITLE(RX512CNT, "rx_512_1023_byte_frames"),
1013 GEM_STAT_TITLE(RX1024CNT, "rx_1024_1518_byte_frames"),
1014 GEM_STAT_TITLE(RX1519CNT, "rx_greater_than_1518_byte_frames"),
1015 GEM_STAT_TITLE_BITS(RXUNDRCNT, "rx_undersized_frames",
1016 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
1017 GEM_STAT_TITLE_BITS(RXOVRCNT, "rx_oversize_frames",
1018 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
1019 GEM_STAT_TITLE_BITS(RXJABCNT, "rx_jabbers",
1020 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
1021 GEM_STAT_TITLE_BITS(RXFCSCNT, "rx_frame_check_sequence_errors",
1022 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXCRCERR)),
1023 GEM_STAT_TITLE_BITS(RXLENGTHCNT, "rx_length_field_frame_errors",
1024 GEM_BIT(NDS_RXERR)),
1025 GEM_STAT_TITLE_BITS(RXSYMBCNT, "rx_symbol_errors",
1026 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFRAMEERR)),
1027 GEM_STAT_TITLE_BITS(RXALIGNCNT, "rx_alignment_errors",
1028 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)),
1029 GEM_STAT_TITLE_BITS(RXRESERRCNT, "rx_resource_errors",
1030 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)),
1031 GEM_STAT_TITLE_BITS(RXORCNT, "rx_overruns",
1032 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFIFOERR)),
1033 GEM_STAT_TITLE_BITS(RXIPCCNT, "rx_ip_header_checksum_errors",
1034 GEM_BIT(NDS_RXERR)),
1035 GEM_STAT_TITLE_BITS(RXTCPCCNT, "rx_tcp_checksum_errors",
1036 GEM_BIT(NDS_RXERR)),
1037 GEM_STAT_TITLE_BITS(RXUDPCCNT, "rx_udp_checksum_errors",
1038 GEM_BIT(NDS_RXERR)),
1039};
1040
1041#define GEM_STATS_LEN ARRAY_SIZE(gem_statistics)
1042
512286bb
RO
1043#define QUEUE_STAT_TITLE(title) { \
1044 .stat_string = title, \
1045}
1046
1047/* per queue statistics, each should be unsigned long type */
1048struct queue_stats {
1049 union {
1050 unsigned long first;
1051 unsigned long rx_packets;
1052 };
1053 unsigned long rx_bytes;
1054 unsigned long rx_dropped;
1055 unsigned long tx_packets;
1056 unsigned long tx_bytes;
1057 unsigned long tx_dropped;
1058};
1059
1060static const struct gem_statistic queue_statistics[] = {
1061 QUEUE_STAT_TITLE("rx_packets"),
1062 QUEUE_STAT_TITLE("rx_bytes"),
1063 QUEUE_STAT_TITLE("rx_dropped"),
1064 QUEUE_STAT_TITLE("tx_packets"),
1065 QUEUE_STAT_TITLE("tx_bytes"),
1066 QUEUE_STAT_TITLE("tx_dropped"),
1067};
1068
1069#define QUEUE_STATS_LEN ARRAY_SIZE(queue_statistics)
1070
4df95131 1071struct macb;
ae1f2a56 1072struct macb_queue;
4df95131
NF
1073
1074struct macb_or_gem_ops {
1075 int (*mog_alloc_rx_buffers)(struct macb *bp);
1076 void (*mog_free_rx_buffers)(struct macb *bp);
1077 void (*mog_init_rings)(struct macb *bp);
97236cda
AT
1078 int (*mog_rx)(struct macb_queue *queue, struct napi_struct *napi,
1079 int budget);
4df95131
NF
1080};
1081
c2594d80
AP
1082/* MACB-PTP interface: adapt to platform needs. */
1083struct macb_ptp_info {
1084 void (*ptp_init)(struct net_device *ndev);
1085 void (*ptp_remove)(struct net_device *ndev);
1086 s32 (*get_ptp_max_adj)(void);
1087 unsigned int (*get_tsu_rate)(struct macb *bp);
1088 int (*get_ts_info)(struct net_device *dev,
1089 struct ethtool_ts_info *info);
1090 int (*get_hwtst)(struct net_device *netdev,
1091 struct ifreq *ifr);
1092 int (*set_hwtst)(struct net_device *netdev,
1093 struct ifreq *ifr, int cmd);
1094};
1095
c1e85c6c
CB
1096struct macb_pm_data {
1097 u32 scrt2;
1098 u32 usrio;
1099};
1100
e175587f
NF
1101struct macb_config {
1102 u32 caps;
1103 unsigned int dma_burst_length;
c69618b3 1104 int (*clk_init)(struct platform_device *pdev, struct clk **pclk,
aead88bd 1105 struct clk **hclk, struct clk **tx_clk,
f5473d1d 1106 struct clk **rx_clk, struct clk **tsu_clk);
421d9df0 1107 int (*init)(struct platform_device *pdev);
98b5a0f4 1108 int jumbo_max_len;
e175587f
NF
1109};
1110
ab91f0a9
RO
1111struct tsu_incr {
1112 u32 sub_ns;
1113 u32 ns;
1114};
1115
02c958dd
CP
1116struct macb_queue {
1117 struct macb *bp;
1118 int irq;
1119
1120 unsigned int ISR;
1121 unsigned int IER;
1122 unsigned int IDR;
1123 unsigned int IMR;
1124 unsigned int TBQP;
fff8019a 1125 unsigned int TBQPH;
ae1f2a56
RO
1126 unsigned int RBQS;
1127 unsigned int RBQP;
1128 unsigned int RBQPH;
02c958dd
CP
1129
1130 unsigned int tx_head, tx_tail;
1131 struct macb_dma_desc *tx_ring;
1132 struct macb_tx_skb *tx_skb;
1133 dma_addr_t tx_ring_dma;
1134 struct work_struct tx_error_task;
ab91f0a9 1135
ae1f2a56
RO
1136 dma_addr_t rx_ring_dma;
1137 dma_addr_t rx_buffers_dma;
1138 unsigned int rx_tail;
1139 unsigned int rx_prepared_head;
1140 struct macb_dma_desc *rx_ring;
1141 struct sk_buff **rx_skbuff;
1142 void *rx_buffers;
1143 struct napi_struct napi;
512286bb 1144 struct queue_stats stats;
ae1f2a56 1145
ab91f0a9
RO
1146#ifdef CONFIG_MACB_USE_HWSTAMP
1147 struct work_struct tx_ts_task;
1148 unsigned int tx_ts_head, tx_ts_tail;
1149 struct gem_tx_ts tx_timestamps[PTP_TS_BUFFER_SIZE];
1150#endif
02c958dd
CP
1151};
1152
ae8223de
RO
1153struct ethtool_rx_fs_item {
1154 struct ethtool_rx_flow_spec fs;
1155 struct list_head list;
1156};
1157
1158struct ethtool_rx_fs_list {
1159 struct list_head list;
1160 unsigned int count;
1161};
1162
89e5785f
HS
1163struct macb {
1164 void __iomem *regs;
f2ce8a9e
AS
1165 bool native_io;
1166
1167 /* hardware IO accessors */
7a6e0706
DM
1168 u32 (*macb_reg_readl)(struct macb *bp, int offset);
1169 void (*macb_reg_writel)(struct macb *bp, int offset, u32 value);
89e5785f 1170
1b44791a 1171 size_t rx_buffer_size;
89e5785f 1172
b410d13e
ZB
1173 unsigned int rx_ring_size;
1174 unsigned int tx_ring_size;
1175
02c958dd 1176 unsigned int num_queues;
bfa0914a 1177 unsigned int queue_mask;
02c958dd 1178 struct macb_queue queues[MACB_MAX_QUEUES];
89e5785f
HS
1179
1180 spinlock_t lock;
1181 struct platform_device *pdev;
1182 struct clk *pclk;
1183 struct clk *hclk;
e1824dfe 1184 struct clk *tx_clk;
aead88bd 1185 struct clk *rx_clk;
f5473d1d 1186 struct clk *tsu_clk;
89e5785f 1187 struct net_device *dev;
a494ed8e
JI
1188 union {
1189 struct macb_stats macb;
1190 struct gem_stats gem;
1191 } hw_stats;
89e5785f 1192
4df95131
NF
1193 struct macb_or_gem_ops macbgem_ops;
1194
298cf9be 1195 struct mii_bus *mii_bus;
7897b071
AT
1196 struct phylink *phylink;
1197 struct phylink_config phylink_config;
fb97a846 1198
581df9e1 1199 u32 caps;
e175587f 1200 unsigned int dma_burst_length;
581df9e1 1201
fb97a846 1202 phy_interface_t phy_interface;
7897b071 1203 int speed;
b85008b7 1204
4dda6f6d 1205 /* AT91RM9200 transmit */
b85008b7
JE
1206 struct sk_buff *skb; /* holds skb until xmit interrupt completes */
1207 dma_addr_t skb_physaddr; /* phys addr from pci_map_single */
1208 int skb_length; /* saved skb length for pci_unmap_single */
a4c35ed3 1209 unsigned int max_tx_length;
3ff13f1c 1210
512286bb 1211 u64 ethtool_stats[GEM_STATS_LEN + QUEUE_STATS_LEN * MACB_MAX_QUEUES];
98b5a0f4
HK
1212
1213 unsigned int rx_frm_len_mask;
1214 unsigned int jumbo_max_len;
3e2a5e15
SP
1215
1216 u32 wol;
c2594d80
AP
1217
1218 struct macb_ptp_info *ptp_info; /* macb-ptp interface */
7b429614
RO
1219#ifdef MACB_EXT_DESC
1220 uint8_t hw_dma_cap;
dc97a89e 1221#endif
ab91f0a9
RO
1222 spinlock_t tsu_clk_lock; /* gem tsu clock locking */
1223 unsigned int tsu_rate;
1224 struct ptp_clock *ptp_clock;
1225 struct ptp_clock_info ptp_clock_info;
1226 struct tsu_incr tsu_incr;
1227 struct hwtstamp_config tstamp_config;
ae8223de
RO
1228
1229 /* RX queue filer rule set*/
1230 struct ethtool_rx_fs_list rx_fs_list;
1231 spinlock_t rx_fs_lock;
1232 unsigned int max_tuples;
032dc41b
HK
1233
1234 struct tasklet_struct hresp_err_tasklet;
404cd086
HK
1235
1236 int rx_bd_rd_prefetch;
1237 int tx_bd_rd_prefetch;
e501070e
HK
1238
1239 u32 rx_intr_mask;
c1e85c6c
CB
1240
1241 struct macb_pm_data pm_data;
89e5785f
HS
1242};
1243
ab91f0a9
RO
1244#ifdef CONFIG_MACB_USE_HWSTAMP
1245#define GEM_TSEC_SIZE (GEM_TSH_SIZE + GEM_TSL_SIZE)
1246#define TSU_SEC_MAX_VAL (((u64)1 << GEM_TSEC_SIZE) - 1)
1247#define TSU_NSEC_MAX_VAL ((1 << GEM_TN_SIZE) - 1)
1248
1249enum macb_bd_control {
1250 TSTAMP_DISABLED,
1251 TSTAMP_FRAME_PTP_EVENT_ONLY,
1252 TSTAMP_ALL_PTP_FRAMES,
1253 TSTAMP_ALL_FRAMES,
1254};
1255
1256void gem_ptp_init(struct net_device *ndev);
1257void gem_ptp_remove(struct net_device *ndev);
1258int gem_ptp_txstamp(struct macb_queue *queue, struct sk_buff *skb, struct macb_dma_desc *des);
1259void gem_ptp_rxstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc);
1260static inline int gem_ptp_do_txstamp(struct macb_queue *queue, struct sk_buff *skb, struct macb_dma_desc *desc)
1261{
1262 if (queue->bp->tstamp_config.tx_type == TSTAMP_DISABLED)
1263 return -ENOTSUPP;
1264
1265 return gem_ptp_txstamp(queue, skb, desc);
1266}
1267
1268static inline void gem_ptp_do_rxstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc)
1269{
1270 if (bp->tstamp_config.rx_filter == TSTAMP_DISABLED)
1271 return;
1272
1273 gem_ptp_rxstamp(bp, skb, desc);
1274}
1275int gem_get_hwtst(struct net_device *dev, struct ifreq *rq);
1276int gem_set_hwtst(struct net_device *dev, struct ifreq *ifr, int cmd);
1277#else
1278static inline void gem_ptp_init(struct net_device *ndev) { }
1279static inline void gem_ptp_remove(struct net_device *ndev) { }
1280
1281static inline int gem_ptp_do_txstamp(struct macb_queue *queue, struct sk_buff *skb, struct macb_dma_desc *desc)
1282{
1283 return -1;
1284}
1285
1286static inline void gem_ptp_do_rxstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc) { }
1287#endif
1288
f75ba50b
JI
1289static inline bool macb_is_gem(struct macb *bp)
1290{
e175587f 1291 return !!(bp->caps & MACB_CAPS_MACB_IS_GEM);
f75ba50b
JI
1292}
1293
c2594d80
AP
1294static inline bool gem_has_ptp(struct macb *bp)
1295{
1296 return !!(bp->caps & MACB_CAPS_GEM_HAS_PTP);
1297}
1298
89e5785f 1299#endif /* _MACB_H */