xref: /linux/drivers/net/ethernet/ti/netcp_ethss.c (revision 32786fdc9506aeba98278c1844d4bfb766863832)
1 /*
2  * Keystone GBE and XGBE subsystem code
3  *
4  * Copyright (C) 2014 Texas Instruments Incorporated
5  * Authors:	Sandeep Nair <sandeep_n@ti.com>
6  *		Sandeep Paulraj <s-paulraj@ti.com>
7  *		Cyril Chemparathy <cyril@ti.com>
8  *		Santosh Shilimkar <santosh.shilimkar@ti.com>
9  *		Wingman Kwok <w-kwok2@ti.com>
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation version 2.
14  *
15  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
16  * kind, whether express or implied; without even the implied warranty
17  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  */
20 
21 #include <linux/io.h>
22 #include <linux/module.h>
23 #include <linux/of_mdio.h>
24 #include <linux/of_address.h>
25 #include <linux/if_vlan.h>
26 #include <linux/ptp_classify.h>
27 #include <linux/net_tstamp.h>
28 #include <linux/ethtool.h>
29 
30 #include "cpsw_ale.h"
31 #include "netcp.h"
32 #include "cpts.h"
33 
34 #define NETCP_DRIVER_NAME		"TI KeyStone Ethernet Driver"
35 #define NETCP_DRIVER_VERSION		"v1.0"
36 
37 #define GBE_IDENT(reg)			((reg >> 16) & 0xffff)
38 #define GBE_MAJOR_VERSION(reg)		(reg >> 8 & 0x7)
39 #define GBE_MINOR_VERSION(reg)		(reg & 0xff)
40 #define GBE_RTL_VERSION(reg)		((reg >> 11) & 0x1f)
41 
42 /* 1G Ethernet SS defines */
43 #define GBE_MODULE_NAME			"netcp-gbe"
44 #define GBE_SS_VERSION_14		0x4ed21104
45 
46 #define GBE_SS_REG_INDEX		0
47 #define GBE_SGMII34_REG_INDEX		1
48 #define GBE_SM_REG_INDEX		2
49 /* offset relative to base of GBE_SS_REG_INDEX */
50 #define GBE13_SGMII_MODULE_OFFSET	0x100
51 /* offset relative to base of GBE_SM_REG_INDEX */
52 #define GBE13_HOST_PORT_OFFSET		0x34
53 #define GBE13_SLAVE_PORT_OFFSET		0x60
54 #define GBE13_EMAC_OFFSET		0x100
55 #define GBE13_SLAVE_PORT2_OFFSET	0x200
56 #define GBE13_HW_STATS_OFFSET		0x300
57 #define GBE13_CPTS_OFFSET		0x500
58 #define GBE13_ALE_OFFSET		0x600
59 #define GBE13_HOST_PORT_NUM		0
60 #define GBE13_NUM_ALE_ENTRIES		1024
61 
62 /* 1G Ethernet NU SS defines */
63 #define GBENU_MODULE_NAME		"netcp-gbenu"
64 #define GBE_SS_ID_NU			0x4ee6
65 #define GBE_SS_ID_2U			0x4ee8
66 
67 #define IS_SS_ID_MU(d) \
68 	((GBE_IDENT((d)->ss_version) == GBE_SS_ID_NU) || \
69 	 (GBE_IDENT((d)->ss_version) == GBE_SS_ID_2U))
70 
71 #define IS_SS_ID_NU(d) \
72 	(GBE_IDENT((d)->ss_version) == GBE_SS_ID_NU)
73 
74 #define GBENU_SS_REG_INDEX		0
75 #define GBENU_SM_REG_INDEX		1
76 #define GBENU_SGMII_MODULE_OFFSET	0x100
77 #define GBENU_HOST_PORT_OFFSET		0x1000
78 #define GBENU_SLAVE_PORT_OFFSET		0x2000
79 #define GBENU_EMAC_OFFSET		0x2330
80 #define GBENU_HW_STATS_OFFSET		0x1a000
81 #define GBENU_CPTS_OFFSET		0x1d000
82 #define GBENU_ALE_OFFSET		0x1e000
83 #define GBENU_HOST_PORT_NUM		0
84 #define GBENU_NUM_ALE_ENTRIES		1024
85 #define GBENU_SGMII_MODULE_SIZE		0x100
86 
87 /* 10G Ethernet SS defines */
88 #define XGBE_MODULE_NAME		"netcp-xgbe"
89 #define XGBE_SS_VERSION_10		0x4ee42100
90 
91 #define XGBE_SS_REG_INDEX		0
92 #define XGBE_SM_REG_INDEX		1
93 #define XGBE_SERDES_REG_INDEX		2
94 
95 /* offset relative to base of XGBE_SS_REG_INDEX */
96 #define XGBE10_SGMII_MODULE_OFFSET	0x100
97 /* offset relative to base of XGBE_SM_REG_INDEX */
98 #define XGBE10_HOST_PORT_OFFSET		0x34
99 #define XGBE10_SLAVE_PORT_OFFSET	0x64
100 #define XGBE10_EMAC_OFFSET		0x400
101 #define XGBE10_CPTS_OFFSET		0x600
102 #define XGBE10_ALE_OFFSET		0x700
103 #define XGBE10_HW_STATS_OFFSET		0x800
104 #define XGBE10_HOST_PORT_NUM		0
105 #define XGBE10_NUM_ALE_ENTRIES		1024
106 
107 #define	GBE_TIMER_INTERVAL			(HZ / 2)
108 
109 /* Soft reset register values */
110 #define SOFT_RESET_MASK				BIT(0)
111 #define SOFT_RESET				BIT(0)
112 #define DEVICE_EMACSL_RESET_POLL_COUNT		100
113 #define GMACSL_RET_WARN_RESET_INCOMPLETE	-2
114 
115 #define MACSL_RX_ENABLE_CSF			BIT(23)
116 #define MACSL_ENABLE_EXT_CTL			BIT(18)
117 #define MACSL_XGMII_ENABLE			BIT(13)
118 #define MACSL_XGIG_MODE				BIT(8)
119 #define MACSL_GIG_MODE				BIT(7)
120 #define MACSL_GMII_ENABLE			BIT(5)
121 #define MACSL_FULLDUPLEX			BIT(0)
122 
123 #define GBE_CTL_P0_ENABLE			BIT(2)
124 #define GBE13_REG_VAL_STAT_ENABLE_ALL		0xff
125 #define XGBE_REG_VAL_STAT_ENABLE_ALL		0xf
126 #define GBE_STATS_CD_SEL			BIT(28)
127 
128 #define GBE_PORT_MASK(x)			(BIT(x) - 1)
129 #define GBE_MASK_NO_PORTS			0
130 
131 #define GBE_DEF_1G_MAC_CONTROL					\
132 		(MACSL_GIG_MODE | MACSL_GMII_ENABLE |		\
133 		 MACSL_ENABLE_EXT_CTL |	MACSL_RX_ENABLE_CSF)
134 
135 #define GBE_DEF_10G_MAC_CONTROL				\
136 		(MACSL_XGIG_MODE | MACSL_XGMII_ENABLE |		\
137 		 MACSL_ENABLE_EXT_CTL |	MACSL_RX_ENABLE_CSF)
138 
139 #define GBE_STATSA_MODULE			0
140 #define GBE_STATSB_MODULE			1
141 #define GBE_STATSC_MODULE			2
142 #define GBE_STATSD_MODULE			3
143 
144 #define GBENU_STATS0_MODULE			0
145 #define GBENU_STATS1_MODULE			1
146 #define GBENU_STATS2_MODULE			2
147 #define GBENU_STATS3_MODULE			3
148 #define GBENU_STATS4_MODULE			4
149 #define GBENU_STATS5_MODULE			5
150 #define GBENU_STATS6_MODULE			6
151 #define GBENU_STATS7_MODULE			7
152 #define GBENU_STATS8_MODULE			8
153 
154 #define XGBE_STATS0_MODULE			0
155 #define XGBE_STATS1_MODULE			1
156 #define XGBE_STATS2_MODULE			2
157 
158 /* s: 0-based slave_port */
159 #define SGMII_BASE(d, s) \
160 	(((s) < 2) ? (d)->sgmii_port_regs : (d)->sgmii_port34_regs)
161 
162 #define GBE_TX_QUEUE				648
163 #define	GBE_TXHOOK_ORDER			0
164 #define	GBE_RXHOOK_ORDER			0
165 #define GBE_DEFAULT_ALE_AGEOUT			30
166 #define SLAVE_LINK_IS_XGMII(s) ((s)->link_interface >= XGMII_LINK_MAC_PHY)
167 #define NETCP_LINK_STATE_INVALID		-1
168 
169 #define GBE_SET_REG_OFS(p, rb, rn) p->rb##_ofs.rn = \
170 		offsetof(struct gbe##_##rb, rn)
171 #define GBENU_SET_REG_OFS(p, rb, rn) p->rb##_ofs.rn = \
172 		offsetof(struct gbenu##_##rb, rn)
173 #define XGBE_SET_REG_OFS(p, rb, rn) p->rb##_ofs.rn = \
174 		offsetof(struct xgbe##_##rb, rn)
175 #define GBE_REG_ADDR(p, rb, rn) (p->rb + p->rb##_ofs.rn)
176 
177 #define HOST_TX_PRI_MAP_DEFAULT			0x00000000
178 
179 #if IS_ENABLED(CONFIG_TI_CPTS)
180 /* Px_TS_CTL register fields */
181 #define TS_RX_ANX_F_EN				BIT(0)
182 #define TS_RX_VLAN_LT1_EN			BIT(1)
183 #define TS_RX_VLAN_LT2_EN			BIT(2)
184 #define TS_RX_ANX_D_EN				BIT(3)
185 #define TS_TX_ANX_F_EN				BIT(4)
186 #define TS_TX_VLAN_LT1_EN			BIT(5)
187 #define TS_TX_VLAN_LT2_EN			BIT(6)
188 #define TS_TX_ANX_D_EN				BIT(7)
189 #define TS_LT2_EN				BIT(8)
190 #define TS_RX_ANX_E_EN				BIT(9)
191 #define TS_TX_ANX_E_EN				BIT(10)
192 #define TS_MSG_TYPE_EN_SHIFT			16
193 #define TS_MSG_TYPE_EN_MASK			0xffff
194 
195 /* Px_TS_SEQ_LTYPE register fields */
196 #define TS_SEQ_ID_OFS_SHIFT			16
197 #define TS_SEQ_ID_OFS_MASK			0x3f
198 
199 /* Px_TS_CTL_LTYPE2 register fields */
200 #define TS_107					BIT(16)
201 #define TS_129					BIT(17)
202 #define TS_130					BIT(18)
203 #define TS_131					BIT(19)
204 #define TS_132					BIT(20)
205 #define TS_319					BIT(21)
206 #define TS_320					BIT(22)
207 #define TS_TTL_NONZERO				BIT(23)
208 #define TS_UNI_EN				BIT(24)
209 #define TS_UNI_EN_SHIFT				24
210 
211 #define TS_TX_ANX_ALL_EN	 \
212 	(TS_TX_ANX_D_EN	| TS_TX_ANX_E_EN | TS_TX_ANX_F_EN)
213 
214 #define TS_RX_ANX_ALL_EN	 \
215 	(TS_RX_ANX_D_EN	| TS_RX_ANX_E_EN | TS_RX_ANX_F_EN)
216 
217 #define TS_CTL_DST_PORT				TS_319
218 #define TS_CTL_DST_PORT_SHIFT			21
219 
220 #define TS_CTL_MADDR_ALL	\
221 	(TS_107 | TS_129 | TS_130 | TS_131 | TS_132)
222 
223 #define TS_CTL_MADDR_SHIFT			16
224 
225 /* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */
226 #define EVENT_MSG_BITS (BIT(0) | BIT(1) | BIT(2) | BIT(3))
227 #endif /* CONFIG_TI_CPTS */
228 
229 struct xgbe_ss_regs {
230 	u32	id_ver;
231 	u32	synce_count;
232 	u32	synce_mux;
233 	u32	control;
234 };
235 
236 struct xgbe_switch_regs {
237 	u32	id_ver;
238 	u32	control;
239 	u32	emcontrol;
240 	u32	stat_port_en;
241 	u32	ptype;
242 	u32	soft_idle;
243 	u32	thru_rate;
244 	u32	gap_thresh;
245 	u32	tx_start_wds;
246 	u32	flow_control;
247 	u32	cppi_thresh;
248 };
249 
250 struct xgbe_port_regs {
251 	u32	blk_cnt;
252 	u32	port_vlan;
253 	u32	tx_pri_map;
254 	u32	sa_lo;
255 	u32	sa_hi;
256 	u32	ts_ctl;
257 	u32	ts_seq_ltype;
258 	u32	ts_vlan;
259 	u32	ts_ctl_ltype2;
260 	u32	ts_ctl2;
261 	u32	control;
262 };
263 
264 struct xgbe_host_port_regs {
265 	u32	blk_cnt;
266 	u32	port_vlan;
267 	u32	tx_pri_map;
268 	u32	src_id;
269 	u32	rx_pri_map;
270 	u32	rx_maxlen;
271 };
272 
273 struct xgbe_emac_regs {
274 	u32	id_ver;
275 	u32	mac_control;
276 	u32	mac_status;
277 	u32	soft_reset;
278 	u32	rx_maxlen;
279 	u32	__reserved_0;
280 	u32	rx_pause;
281 	u32	tx_pause;
282 	u32	em_control;
283 	u32	__reserved_1;
284 	u32	tx_gap;
285 	u32	rsvd[4];
286 };
287 
288 struct xgbe_host_hw_stats {
289 	u32	rx_good_frames;
290 	u32	rx_broadcast_frames;
291 	u32	rx_multicast_frames;
292 	u32	__rsvd_0[3];
293 	u32	rx_oversized_frames;
294 	u32	__rsvd_1;
295 	u32	rx_undersized_frames;
296 	u32	__rsvd_2;
297 	u32	overrun_type4;
298 	u32	overrun_type5;
299 	u32	rx_bytes;
300 	u32	tx_good_frames;
301 	u32	tx_broadcast_frames;
302 	u32	tx_multicast_frames;
303 	u32	__rsvd_3[9];
304 	u32	tx_bytes;
305 	u32	tx_64byte_frames;
306 	u32	tx_65_to_127byte_frames;
307 	u32	tx_128_to_255byte_frames;
308 	u32	tx_256_to_511byte_frames;
309 	u32	tx_512_to_1023byte_frames;
310 	u32	tx_1024byte_frames;
311 	u32	net_bytes;
312 	u32	rx_sof_overruns;
313 	u32	rx_mof_overruns;
314 	u32	rx_dma_overruns;
315 };
316 
317 struct xgbe_hw_stats {
318 	u32	rx_good_frames;
319 	u32	rx_broadcast_frames;
320 	u32	rx_multicast_frames;
321 	u32	rx_pause_frames;
322 	u32	rx_crc_errors;
323 	u32	rx_align_code_errors;
324 	u32	rx_oversized_frames;
325 	u32	rx_jabber_frames;
326 	u32	rx_undersized_frames;
327 	u32	rx_fragments;
328 	u32	overrun_type4;
329 	u32	overrun_type5;
330 	u32	rx_bytes;
331 	u32	tx_good_frames;
332 	u32	tx_broadcast_frames;
333 	u32	tx_multicast_frames;
334 	u32	tx_pause_frames;
335 	u32	tx_deferred_frames;
336 	u32	tx_collision_frames;
337 	u32	tx_single_coll_frames;
338 	u32	tx_mult_coll_frames;
339 	u32	tx_excessive_collisions;
340 	u32	tx_late_collisions;
341 	u32	tx_underrun;
342 	u32	tx_carrier_sense_errors;
343 	u32	tx_bytes;
344 	u32	tx_64byte_frames;
345 	u32	tx_65_to_127byte_frames;
346 	u32	tx_128_to_255byte_frames;
347 	u32	tx_256_to_511byte_frames;
348 	u32	tx_512_to_1023byte_frames;
349 	u32	tx_1024byte_frames;
350 	u32	net_bytes;
351 	u32	rx_sof_overruns;
352 	u32	rx_mof_overruns;
353 	u32	rx_dma_overruns;
354 };
355 
356 struct gbenu_ss_regs {
357 	u32	id_ver;
358 	u32	synce_count;		/* NU */
359 	u32	synce_mux;		/* NU */
360 	u32	control;		/* 2U */
361 	u32	__rsvd_0[2];		/* 2U */
362 	u32	rgmii_status;		/* 2U */
363 	u32	ss_status;		/* 2U */
364 };
365 
366 struct gbenu_switch_regs {
367 	u32	id_ver;
368 	u32	control;
369 	u32	__rsvd_0[2];
370 	u32	emcontrol;
371 	u32	stat_port_en;
372 	u32	ptype;			/* NU */
373 	u32	soft_idle;
374 	u32	thru_rate;		/* NU */
375 	u32	gap_thresh;		/* NU */
376 	u32	tx_start_wds;		/* NU */
377 	u32	eee_prescale;		/* 2U */
378 	u32	tx_g_oflow_thresh_set;	/* NU */
379 	u32	tx_g_oflow_thresh_clr;	/* NU */
380 	u32	tx_g_buf_thresh_set_l;	/* NU */
381 	u32	tx_g_buf_thresh_set_h;	/* NU */
382 	u32	tx_g_buf_thresh_clr_l;	/* NU */
383 	u32	tx_g_buf_thresh_clr_h;	/* NU */
384 };
385 
386 struct gbenu_port_regs {
387 	u32	__rsvd_0;
388 	u32	control;
389 	u32	max_blks;		/* 2U */
390 	u32	mem_align1;
391 	u32	blk_cnt;
392 	u32	port_vlan;
393 	u32	tx_pri_map;		/* NU */
394 	u32	pri_ctl;		/* 2U */
395 	u32	rx_pri_map;
396 	u32	rx_maxlen;
397 	u32	tx_blks_pri;		/* NU */
398 	u32	__rsvd_1;
399 	u32	idle2lpi;		/* 2U */
400 	u32	lpi2idle;		/* 2U */
401 	u32	eee_status;		/* 2U */
402 	u32	__rsvd_2;
403 	u32	__rsvd_3[176];		/* NU: more to add */
404 	u32	__rsvd_4[2];
405 	u32	sa_lo;
406 	u32	sa_hi;
407 	u32	ts_ctl;
408 	u32	ts_seq_ltype;
409 	u32	ts_vlan;
410 	u32	ts_ctl_ltype2;
411 	u32	ts_ctl2;
412 };
413 
414 struct gbenu_host_port_regs {
415 	u32	__rsvd_0;
416 	u32	control;
417 	u32	flow_id_offset;		/* 2U */
418 	u32	__rsvd_1;
419 	u32	blk_cnt;
420 	u32	port_vlan;
421 	u32	tx_pri_map;		/* NU */
422 	u32	pri_ctl;
423 	u32	rx_pri_map;
424 	u32	rx_maxlen;
425 	u32	tx_blks_pri;		/* NU */
426 	u32	__rsvd_2;
427 	u32	idle2lpi;		/* 2U */
428 	u32	lpi2wake;		/* 2U */
429 	u32	eee_status;		/* 2U */
430 	u32	__rsvd_3;
431 	u32	__rsvd_4[184];		/* NU */
432 	u32	host_blks_pri;		/* NU */
433 };
434 
435 struct gbenu_emac_regs {
436 	u32	mac_control;
437 	u32	mac_status;
438 	u32	soft_reset;
439 	u32	boff_test;
440 	u32	rx_pause;
441 	u32	__rsvd_0[11];		/* NU */
442 	u32	tx_pause;
443 	u32	__rsvd_1[11];		/* NU */
444 	u32	em_control;
445 	u32	tx_gap;
446 };
447 
448 /* Some hw stat regs are applicable to slave port only.
449  * This is handled by gbenu_et_stats struct.  Also some
450  * are for SS version NU and some are for 2U.
451  */
452 struct gbenu_hw_stats {
453 	u32	rx_good_frames;
454 	u32	rx_broadcast_frames;
455 	u32	rx_multicast_frames;
456 	u32	rx_pause_frames;		/* slave */
457 	u32	rx_crc_errors;
458 	u32	rx_align_code_errors;		/* slave */
459 	u32	rx_oversized_frames;
460 	u32	rx_jabber_frames;		/* slave */
461 	u32	rx_undersized_frames;
462 	u32	rx_fragments;			/* slave */
463 	u32	ale_drop;
464 	u32	ale_overrun_drop;
465 	u32	rx_bytes;
466 	u32	tx_good_frames;
467 	u32	tx_broadcast_frames;
468 	u32	tx_multicast_frames;
469 	u32	tx_pause_frames;		/* slave */
470 	u32	tx_deferred_frames;		/* slave */
471 	u32	tx_collision_frames;		/* slave */
472 	u32	tx_single_coll_frames;		/* slave */
473 	u32	tx_mult_coll_frames;		/* slave */
474 	u32	tx_excessive_collisions;	/* slave */
475 	u32	tx_late_collisions;		/* slave */
476 	u32	rx_ipg_error;			/* slave 10G only */
477 	u32	tx_carrier_sense_errors;	/* slave */
478 	u32	tx_bytes;
479 	u32	tx_64B_frames;
480 	u32	tx_65_to_127B_frames;
481 	u32	tx_128_to_255B_frames;
482 	u32	tx_256_to_511B_frames;
483 	u32	tx_512_to_1023B_frames;
484 	u32	tx_1024B_frames;
485 	u32	net_bytes;
486 	u32	rx_bottom_fifo_drop;
487 	u32	rx_port_mask_drop;
488 	u32	rx_top_fifo_drop;
489 	u32	ale_rate_limit_drop;
490 	u32	ale_vid_ingress_drop;
491 	u32	ale_da_eq_sa_drop;
492 	u32	__rsvd_0[3];
493 	u32	ale_unknown_ucast;
494 	u32	ale_unknown_ucast_bytes;
495 	u32	ale_unknown_mcast;
496 	u32	ale_unknown_mcast_bytes;
497 	u32	ale_unknown_bcast;
498 	u32	ale_unknown_bcast_bytes;
499 	u32	ale_pol_match;
500 	u32	ale_pol_match_red;		/* NU */
501 	u32	ale_pol_match_yellow;		/* NU */
502 	u32	__rsvd_1[44];
503 	u32	tx_mem_protect_err;
504 	/* following NU only */
505 	u32	tx_pri0;
506 	u32	tx_pri1;
507 	u32	tx_pri2;
508 	u32	tx_pri3;
509 	u32	tx_pri4;
510 	u32	tx_pri5;
511 	u32	tx_pri6;
512 	u32	tx_pri7;
513 	u32	tx_pri0_bcnt;
514 	u32	tx_pri1_bcnt;
515 	u32	tx_pri2_bcnt;
516 	u32	tx_pri3_bcnt;
517 	u32	tx_pri4_bcnt;
518 	u32	tx_pri5_bcnt;
519 	u32	tx_pri6_bcnt;
520 	u32	tx_pri7_bcnt;
521 	u32	tx_pri0_drop;
522 	u32	tx_pri1_drop;
523 	u32	tx_pri2_drop;
524 	u32	tx_pri3_drop;
525 	u32	tx_pri4_drop;
526 	u32	tx_pri5_drop;
527 	u32	tx_pri6_drop;
528 	u32	tx_pri7_drop;
529 	u32	tx_pri0_drop_bcnt;
530 	u32	tx_pri1_drop_bcnt;
531 	u32	tx_pri2_drop_bcnt;
532 	u32	tx_pri3_drop_bcnt;
533 	u32	tx_pri4_drop_bcnt;
534 	u32	tx_pri5_drop_bcnt;
535 	u32	tx_pri6_drop_bcnt;
536 	u32	tx_pri7_drop_bcnt;
537 };
538 
539 #define GBENU_HW_STATS_REG_MAP_SZ	0x200
540 
541 struct gbe_ss_regs {
542 	u32	id_ver;
543 	u32	synce_count;
544 	u32	synce_mux;
545 };
546 
547 struct gbe_ss_regs_ofs {
548 	u16	id_ver;
549 	u16	control;
550 };
551 
552 struct gbe_switch_regs {
553 	u32	id_ver;
554 	u32	control;
555 	u32	soft_reset;
556 	u32	stat_port_en;
557 	u32	ptype;
558 	u32	soft_idle;
559 	u32	thru_rate;
560 	u32	gap_thresh;
561 	u32	tx_start_wds;
562 	u32	flow_control;
563 };
564 
565 struct gbe_switch_regs_ofs {
566 	u16	id_ver;
567 	u16	control;
568 	u16	soft_reset;
569 	u16	emcontrol;
570 	u16	stat_port_en;
571 	u16	ptype;
572 	u16	flow_control;
573 };
574 
575 struct gbe_port_regs {
576 	u32	max_blks;
577 	u32	blk_cnt;
578 	u32	port_vlan;
579 	u32	tx_pri_map;
580 	u32	sa_lo;
581 	u32	sa_hi;
582 	u32	ts_ctl;
583 	u32	ts_seq_ltype;
584 	u32	ts_vlan;
585 	u32	ts_ctl_ltype2;
586 	u32	ts_ctl2;
587 };
588 
589 struct gbe_port_regs_ofs {
590 	u16	port_vlan;
591 	u16	tx_pri_map;
592 	u16	sa_lo;
593 	u16	sa_hi;
594 	u16	ts_ctl;
595 	u16	ts_seq_ltype;
596 	u16	ts_vlan;
597 	u16	ts_ctl_ltype2;
598 	u16	ts_ctl2;
599 	u16	rx_maxlen;	/* 2U, NU */
600 };
601 
602 struct gbe_host_port_regs {
603 	u32	src_id;
604 	u32	port_vlan;
605 	u32	rx_pri_map;
606 	u32	rx_maxlen;
607 };
608 
609 struct gbe_host_port_regs_ofs {
610 	u16	port_vlan;
611 	u16	tx_pri_map;
612 	u16	rx_maxlen;
613 };
614 
615 struct gbe_emac_regs {
616 	u32	id_ver;
617 	u32	mac_control;
618 	u32	mac_status;
619 	u32	soft_reset;
620 	u32	rx_maxlen;
621 	u32	__reserved_0;
622 	u32	rx_pause;
623 	u32	tx_pause;
624 	u32	__reserved_1;
625 	u32	rx_pri_map;
626 	u32	rsvd[6];
627 };
628 
629 struct gbe_emac_regs_ofs {
630 	u16	mac_control;
631 	u16	soft_reset;
632 	u16	rx_maxlen;
633 };
634 
635 struct gbe_hw_stats {
636 	u32	rx_good_frames;
637 	u32	rx_broadcast_frames;
638 	u32	rx_multicast_frames;
639 	u32	rx_pause_frames;
640 	u32	rx_crc_errors;
641 	u32	rx_align_code_errors;
642 	u32	rx_oversized_frames;
643 	u32	rx_jabber_frames;
644 	u32	rx_undersized_frames;
645 	u32	rx_fragments;
646 	u32	__pad_0[2];
647 	u32	rx_bytes;
648 	u32	tx_good_frames;
649 	u32	tx_broadcast_frames;
650 	u32	tx_multicast_frames;
651 	u32	tx_pause_frames;
652 	u32	tx_deferred_frames;
653 	u32	tx_collision_frames;
654 	u32	tx_single_coll_frames;
655 	u32	tx_mult_coll_frames;
656 	u32	tx_excessive_collisions;
657 	u32	tx_late_collisions;
658 	u32	tx_underrun;
659 	u32	tx_carrier_sense_errors;
660 	u32	tx_bytes;
661 	u32	tx_64byte_frames;
662 	u32	tx_65_to_127byte_frames;
663 	u32	tx_128_to_255byte_frames;
664 	u32	tx_256_to_511byte_frames;
665 	u32	tx_512_to_1023byte_frames;
666 	u32	tx_1024byte_frames;
667 	u32	net_bytes;
668 	u32	rx_sof_overruns;
669 	u32	rx_mof_overruns;
670 	u32	rx_dma_overruns;
671 };
672 
673 #define GBE_MAX_HW_STAT_MODS			9
674 #define GBE_HW_STATS_REG_MAP_SZ			0x100
675 
676 struct ts_ctl {
677 	int     uni;
678 	u8      dst_port_map;
679 	u8      maddr_map;
680 	u8      ts_mcast_type;
681 };
682 
683 struct gbe_slave {
684 	void __iomem			*port_regs;
685 	void __iomem			*emac_regs;
686 	struct gbe_port_regs_ofs	port_regs_ofs;
687 	struct gbe_emac_regs_ofs	emac_regs_ofs;
688 	int				slave_num; /* 0 based logical number */
689 	int				port_num;  /* actual port number */
690 	atomic_t			link_state;
691 	bool				open;
692 	struct phy_device		*phy;
693 	u32				link_interface;
694 	u32				mac_control;
695 	u8				phy_port_t;
696 	struct device_node		*phy_node;
697 	struct ts_ctl                   ts_ctl;
698 	struct list_head		slave_list;
699 };
700 
701 struct gbe_priv {
702 	struct device			*dev;
703 	struct netcp_device		*netcp_device;
704 	struct timer_list		timer;
705 	u32				num_slaves;
706 	u32				ale_entries;
707 	u32				ale_ports;
708 	bool				enable_ale;
709 	u8				max_num_slaves;
710 	u8				max_num_ports; /* max_num_slaves + 1 */
711 	u8				num_stats_mods;
712 	struct netcp_tx_pipe		tx_pipe;
713 
714 	int				host_port;
715 	u32				rx_packet_max;
716 	u32				ss_version;
717 	u32				stats_en_mask;
718 
719 	void __iomem			*ss_regs;
720 	void __iomem			*switch_regs;
721 	void __iomem			*host_port_regs;
722 	void __iomem			*ale_reg;
723 	void __iomem                    *cpts_reg;
724 	void __iomem			*sgmii_port_regs;
725 	void __iomem			*sgmii_port34_regs;
726 	void __iomem			*xgbe_serdes_regs;
727 	void __iomem			*hw_stats_regs[GBE_MAX_HW_STAT_MODS];
728 
729 	struct gbe_ss_regs_ofs		ss_regs_ofs;
730 	struct gbe_switch_regs_ofs	switch_regs_ofs;
731 	struct gbe_host_port_regs_ofs	host_port_regs_ofs;
732 
733 	struct cpsw_ale			*ale;
734 	unsigned int			tx_queue_id;
735 	const char			*dma_chan_name;
736 
737 	struct list_head		gbe_intf_head;
738 	struct list_head		secondary_slaves;
739 	struct net_device		*dummy_ndev;
740 
741 	u64				*hw_stats;
742 	u32				*hw_stats_prev;
743 	const struct netcp_ethtool_stat *et_stats;
744 	int				num_et_stats;
745 	/*  Lock for updating the hwstats */
746 	spinlock_t			hw_stats_lock;
747 
748 	int                             cpts_registered;
749 	struct cpts                     *cpts;
750 };
751 
752 struct gbe_intf {
753 	struct net_device	*ndev;
754 	struct device		*dev;
755 	struct gbe_priv		*gbe_dev;
756 	struct netcp_tx_pipe	tx_pipe;
757 	struct gbe_slave	*slave;
758 	struct list_head	gbe_intf_list;
759 	unsigned long		active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
760 };
761 
762 static struct netcp_module gbe_module;
763 static struct netcp_module xgbe_module;
764 
765 /* Statistic management */
766 struct netcp_ethtool_stat {
767 	char desc[ETH_GSTRING_LEN];
768 	int type;
769 	u32 size;
770 	int offset;
771 };
772 
773 #define GBE_STATSA_INFO(field)						\
774 {									\
775 	"GBE_A:"#field, GBE_STATSA_MODULE,				\
776 	FIELD_SIZEOF(struct gbe_hw_stats, field),			\
777 	offsetof(struct gbe_hw_stats, field)				\
778 }
779 
780 #define GBE_STATSB_INFO(field)						\
781 {									\
782 	"GBE_B:"#field, GBE_STATSB_MODULE,				\
783 	FIELD_SIZEOF(struct gbe_hw_stats, field),			\
784 	offsetof(struct gbe_hw_stats, field)				\
785 }
786 
787 #define GBE_STATSC_INFO(field)						\
788 {									\
789 	"GBE_C:"#field, GBE_STATSC_MODULE,				\
790 	FIELD_SIZEOF(struct gbe_hw_stats, field),			\
791 	offsetof(struct gbe_hw_stats, field)				\
792 }
793 
794 #define GBE_STATSD_INFO(field)						\
795 {									\
796 	"GBE_D:"#field, GBE_STATSD_MODULE,				\
797 	FIELD_SIZEOF(struct gbe_hw_stats, field),			\
798 	offsetof(struct gbe_hw_stats, field)				\
799 }
800 
801 static const struct netcp_ethtool_stat gbe13_et_stats[] = {
802 	/* GBE module A */
803 	GBE_STATSA_INFO(rx_good_frames),
804 	GBE_STATSA_INFO(rx_broadcast_frames),
805 	GBE_STATSA_INFO(rx_multicast_frames),
806 	GBE_STATSA_INFO(rx_pause_frames),
807 	GBE_STATSA_INFO(rx_crc_errors),
808 	GBE_STATSA_INFO(rx_align_code_errors),
809 	GBE_STATSA_INFO(rx_oversized_frames),
810 	GBE_STATSA_INFO(rx_jabber_frames),
811 	GBE_STATSA_INFO(rx_undersized_frames),
812 	GBE_STATSA_INFO(rx_fragments),
813 	GBE_STATSA_INFO(rx_bytes),
814 	GBE_STATSA_INFO(tx_good_frames),
815 	GBE_STATSA_INFO(tx_broadcast_frames),
816 	GBE_STATSA_INFO(tx_multicast_frames),
817 	GBE_STATSA_INFO(tx_pause_frames),
818 	GBE_STATSA_INFO(tx_deferred_frames),
819 	GBE_STATSA_INFO(tx_collision_frames),
820 	GBE_STATSA_INFO(tx_single_coll_frames),
821 	GBE_STATSA_INFO(tx_mult_coll_frames),
822 	GBE_STATSA_INFO(tx_excessive_collisions),
823 	GBE_STATSA_INFO(tx_late_collisions),
824 	GBE_STATSA_INFO(tx_underrun),
825 	GBE_STATSA_INFO(tx_carrier_sense_errors),
826 	GBE_STATSA_INFO(tx_bytes),
827 	GBE_STATSA_INFO(tx_64byte_frames),
828 	GBE_STATSA_INFO(tx_65_to_127byte_frames),
829 	GBE_STATSA_INFO(tx_128_to_255byte_frames),
830 	GBE_STATSA_INFO(tx_256_to_511byte_frames),
831 	GBE_STATSA_INFO(tx_512_to_1023byte_frames),
832 	GBE_STATSA_INFO(tx_1024byte_frames),
833 	GBE_STATSA_INFO(net_bytes),
834 	GBE_STATSA_INFO(rx_sof_overruns),
835 	GBE_STATSA_INFO(rx_mof_overruns),
836 	GBE_STATSA_INFO(rx_dma_overruns),
837 	/* GBE module B */
838 	GBE_STATSB_INFO(rx_good_frames),
839 	GBE_STATSB_INFO(rx_broadcast_frames),
840 	GBE_STATSB_INFO(rx_multicast_frames),
841 	GBE_STATSB_INFO(rx_pause_frames),
842 	GBE_STATSB_INFO(rx_crc_errors),
843 	GBE_STATSB_INFO(rx_align_code_errors),
844 	GBE_STATSB_INFO(rx_oversized_frames),
845 	GBE_STATSB_INFO(rx_jabber_frames),
846 	GBE_STATSB_INFO(rx_undersized_frames),
847 	GBE_STATSB_INFO(rx_fragments),
848 	GBE_STATSB_INFO(rx_bytes),
849 	GBE_STATSB_INFO(tx_good_frames),
850 	GBE_STATSB_INFO(tx_broadcast_frames),
851 	GBE_STATSB_INFO(tx_multicast_frames),
852 	GBE_STATSB_INFO(tx_pause_frames),
853 	GBE_STATSB_INFO(tx_deferred_frames),
854 	GBE_STATSB_INFO(tx_collision_frames),
855 	GBE_STATSB_INFO(tx_single_coll_frames),
856 	GBE_STATSB_INFO(tx_mult_coll_frames),
857 	GBE_STATSB_INFO(tx_excessive_collisions),
858 	GBE_STATSB_INFO(tx_late_collisions),
859 	GBE_STATSB_INFO(tx_underrun),
860 	GBE_STATSB_INFO(tx_carrier_sense_errors),
861 	GBE_STATSB_INFO(tx_bytes),
862 	GBE_STATSB_INFO(tx_64byte_frames),
863 	GBE_STATSB_INFO(tx_65_to_127byte_frames),
864 	GBE_STATSB_INFO(tx_128_to_255byte_frames),
865 	GBE_STATSB_INFO(tx_256_to_511byte_frames),
866 	GBE_STATSB_INFO(tx_512_to_1023byte_frames),
867 	GBE_STATSB_INFO(tx_1024byte_frames),
868 	GBE_STATSB_INFO(net_bytes),
869 	GBE_STATSB_INFO(rx_sof_overruns),
870 	GBE_STATSB_INFO(rx_mof_overruns),
871 	GBE_STATSB_INFO(rx_dma_overruns),
872 	/* GBE module C */
873 	GBE_STATSC_INFO(rx_good_frames),
874 	GBE_STATSC_INFO(rx_broadcast_frames),
875 	GBE_STATSC_INFO(rx_multicast_frames),
876 	GBE_STATSC_INFO(rx_pause_frames),
877 	GBE_STATSC_INFO(rx_crc_errors),
878 	GBE_STATSC_INFO(rx_align_code_errors),
879 	GBE_STATSC_INFO(rx_oversized_frames),
880 	GBE_STATSC_INFO(rx_jabber_frames),
881 	GBE_STATSC_INFO(rx_undersized_frames),
882 	GBE_STATSC_INFO(rx_fragments),
883 	GBE_STATSC_INFO(rx_bytes),
884 	GBE_STATSC_INFO(tx_good_frames),
885 	GBE_STATSC_INFO(tx_broadcast_frames),
886 	GBE_STATSC_INFO(tx_multicast_frames),
887 	GBE_STATSC_INFO(tx_pause_frames),
888 	GBE_STATSC_INFO(tx_deferred_frames),
889 	GBE_STATSC_INFO(tx_collision_frames),
890 	GBE_STATSC_INFO(tx_single_coll_frames),
891 	GBE_STATSC_INFO(tx_mult_coll_frames),
892 	GBE_STATSC_INFO(tx_excessive_collisions),
893 	GBE_STATSC_INFO(tx_late_collisions),
894 	GBE_STATSC_INFO(tx_underrun),
895 	GBE_STATSC_INFO(tx_carrier_sense_errors),
896 	GBE_STATSC_INFO(tx_bytes),
897 	GBE_STATSC_INFO(tx_64byte_frames),
898 	GBE_STATSC_INFO(tx_65_to_127byte_frames),
899 	GBE_STATSC_INFO(tx_128_to_255byte_frames),
900 	GBE_STATSC_INFO(tx_256_to_511byte_frames),
901 	GBE_STATSC_INFO(tx_512_to_1023byte_frames),
902 	GBE_STATSC_INFO(tx_1024byte_frames),
903 	GBE_STATSC_INFO(net_bytes),
904 	GBE_STATSC_INFO(rx_sof_overruns),
905 	GBE_STATSC_INFO(rx_mof_overruns),
906 	GBE_STATSC_INFO(rx_dma_overruns),
907 	/* GBE module D */
908 	GBE_STATSD_INFO(rx_good_frames),
909 	GBE_STATSD_INFO(rx_broadcast_frames),
910 	GBE_STATSD_INFO(rx_multicast_frames),
911 	GBE_STATSD_INFO(rx_pause_frames),
912 	GBE_STATSD_INFO(rx_crc_errors),
913 	GBE_STATSD_INFO(rx_align_code_errors),
914 	GBE_STATSD_INFO(rx_oversized_frames),
915 	GBE_STATSD_INFO(rx_jabber_frames),
916 	GBE_STATSD_INFO(rx_undersized_frames),
917 	GBE_STATSD_INFO(rx_fragments),
918 	GBE_STATSD_INFO(rx_bytes),
919 	GBE_STATSD_INFO(tx_good_frames),
920 	GBE_STATSD_INFO(tx_broadcast_frames),
921 	GBE_STATSD_INFO(tx_multicast_frames),
922 	GBE_STATSD_INFO(tx_pause_frames),
923 	GBE_STATSD_INFO(tx_deferred_frames),
924 	GBE_STATSD_INFO(tx_collision_frames),
925 	GBE_STATSD_INFO(tx_single_coll_frames),
926 	GBE_STATSD_INFO(tx_mult_coll_frames),
927 	GBE_STATSD_INFO(tx_excessive_collisions),
928 	GBE_STATSD_INFO(tx_late_collisions),
929 	GBE_STATSD_INFO(tx_underrun),
930 	GBE_STATSD_INFO(tx_carrier_sense_errors),
931 	GBE_STATSD_INFO(tx_bytes),
932 	GBE_STATSD_INFO(tx_64byte_frames),
933 	GBE_STATSD_INFO(tx_65_to_127byte_frames),
934 	GBE_STATSD_INFO(tx_128_to_255byte_frames),
935 	GBE_STATSD_INFO(tx_256_to_511byte_frames),
936 	GBE_STATSD_INFO(tx_512_to_1023byte_frames),
937 	GBE_STATSD_INFO(tx_1024byte_frames),
938 	GBE_STATSD_INFO(net_bytes),
939 	GBE_STATSD_INFO(rx_sof_overruns),
940 	GBE_STATSD_INFO(rx_mof_overruns),
941 	GBE_STATSD_INFO(rx_dma_overruns),
942 };
943 
944 /* This is the size of entries in GBENU_STATS_HOST */
945 #define GBENU_ET_STATS_HOST_SIZE	52
946 
947 #define GBENU_STATS_HOST(field)					\
948 {								\
949 	"GBE_HOST:"#field, GBENU_STATS0_MODULE,			\
950 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
951 	offsetof(struct gbenu_hw_stats, field)			\
952 }
953 
954 /* This is the size of entries in GBENU_STATS_PORT */
955 #define GBENU_ET_STATS_PORT_SIZE	65
956 
957 #define GBENU_STATS_P1(field)					\
958 {								\
959 	"GBE_P1:"#field, GBENU_STATS1_MODULE,			\
960 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
961 	offsetof(struct gbenu_hw_stats, field)			\
962 }
963 
964 #define GBENU_STATS_P2(field)					\
965 {								\
966 	"GBE_P2:"#field, GBENU_STATS2_MODULE,			\
967 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
968 	offsetof(struct gbenu_hw_stats, field)			\
969 }
970 
971 #define GBENU_STATS_P3(field)					\
972 {								\
973 	"GBE_P3:"#field, GBENU_STATS3_MODULE,			\
974 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
975 	offsetof(struct gbenu_hw_stats, field)			\
976 }
977 
978 #define GBENU_STATS_P4(field)					\
979 {								\
980 	"GBE_P4:"#field, GBENU_STATS4_MODULE,			\
981 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
982 	offsetof(struct gbenu_hw_stats, field)			\
983 }
984 
985 #define GBENU_STATS_P5(field)					\
986 {								\
987 	"GBE_P5:"#field, GBENU_STATS5_MODULE,			\
988 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
989 	offsetof(struct gbenu_hw_stats, field)			\
990 }
991 
992 #define GBENU_STATS_P6(field)					\
993 {								\
994 	"GBE_P6:"#field, GBENU_STATS6_MODULE,			\
995 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
996 	offsetof(struct gbenu_hw_stats, field)			\
997 }
998 
999 #define GBENU_STATS_P7(field)					\
1000 {								\
1001 	"GBE_P7:"#field, GBENU_STATS7_MODULE,			\
1002 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
1003 	offsetof(struct gbenu_hw_stats, field)			\
1004 }
1005 
1006 #define GBENU_STATS_P8(field)					\
1007 {								\
1008 	"GBE_P8:"#field, GBENU_STATS8_MODULE,			\
1009 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
1010 	offsetof(struct gbenu_hw_stats, field)			\
1011 }
1012 
1013 static const struct netcp_ethtool_stat gbenu_et_stats[] = {
1014 	/* GBENU Host Module */
1015 	GBENU_STATS_HOST(rx_good_frames),
1016 	GBENU_STATS_HOST(rx_broadcast_frames),
1017 	GBENU_STATS_HOST(rx_multicast_frames),
1018 	GBENU_STATS_HOST(rx_crc_errors),
1019 	GBENU_STATS_HOST(rx_oversized_frames),
1020 	GBENU_STATS_HOST(rx_undersized_frames),
1021 	GBENU_STATS_HOST(ale_drop),
1022 	GBENU_STATS_HOST(ale_overrun_drop),
1023 	GBENU_STATS_HOST(rx_bytes),
1024 	GBENU_STATS_HOST(tx_good_frames),
1025 	GBENU_STATS_HOST(tx_broadcast_frames),
1026 	GBENU_STATS_HOST(tx_multicast_frames),
1027 	GBENU_STATS_HOST(tx_bytes),
1028 	GBENU_STATS_HOST(tx_64B_frames),
1029 	GBENU_STATS_HOST(tx_65_to_127B_frames),
1030 	GBENU_STATS_HOST(tx_128_to_255B_frames),
1031 	GBENU_STATS_HOST(tx_256_to_511B_frames),
1032 	GBENU_STATS_HOST(tx_512_to_1023B_frames),
1033 	GBENU_STATS_HOST(tx_1024B_frames),
1034 	GBENU_STATS_HOST(net_bytes),
1035 	GBENU_STATS_HOST(rx_bottom_fifo_drop),
1036 	GBENU_STATS_HOST(rx_port_mask_drop),
1037 	GBENU_STATS_HOST(rx_top_fifo_drop),
1038 	GBENU_STATS_HOST(ale_rate_limit_drop),
1039 	GBENU_STATS_HOST(ale_vid_ingress_drop),
1040 	GBENU_STATS_HOST(ale_da_eq_sa_drop),
1041 	GBENU_STATS_HOST(ale_unknown_ucast),
1042 	GBENU_STATS_HOST(ale_unknown_ucast_bytes),
1043 	GBENU_STATS_HOST(ale_unknown_mcast),
1044 	GBENU_STATS_HOST(ale_unknown_mcast_bytes),
1045 	GBENU_STATS_HOST(ale_unknown_bcast),
1046 	GBENU_STATS_HOST(ale_unknown_bcast_bytes),
1047 	GBENU_STATS_HOST(ale_pol_match),
1048 	GBENU_STATS_HOST(ale_pol_match_red),
1049 	GBENU_STATS_HOST(ale_pol_match_yellow),
1050 	GBENU_STATS_HOST(tx_mem_protect_err),
1051 	GBENU_STATS_HOST(tx_pri0_drop),
1052 	GBENU_STATS_HOST(tx_pri1_drop),
1053 	GBENU_STATS_HOST(tx_pri2_drop),
1054 	GBENU_STATS_HOST(tx_pri3_drop),
1055 	GBENU_STATS_HOST(tx_pri4_drop),
1056 	GBENU_STATS_HOST(tx_pri5_drop),
1057 	GBENU_STATS_HOST(tx_pri6_drop),
1058 	GBENU_STATS_HOST(tx_pri7_drop),
1059 	GBENU_STATS_HOST(tx_pri0_drop_bcnt),
1060 	GBENU_STATS_HOST(tx_pri1_drop_bcnt),
1061 	GBENU_STATS_HOST(tx_pri2_drop_bcnt),
1062 	GBENU_STATS_HOST(tx_pri3_drop_bcnt),
1063 	GBENU_STATS_HOST(tx_pri4_drop_bcnt),
1064 	GBENU_STATS_HOST(tx_pri5_drop_bcnt),
1065 	GBENU_STATS_HOST(tx_pri6_drop_bcnt),
1066 	GBENU_STATS_HOST(tx_pri7_drop_bcnt),
1067 	/* GBENU Module 1 */
1068 	GBENU_STATS_P1(rx_good_frames),
1069 	GBENU_STATS_P1(rx_broadcast_frames),
1070 	GBENU_STATS_P1(rx_multicast_frames),
1071 	GBENU_STATS_P1(rx_pause_frames),
1072 	GBENU_STATS_P1(rx_crc_errors),
1073 	GBENU_STATS_P1(rx_align_code_errors),
1074 	GBENU_STATS_P1(rx_oversized_frames),
1075 	GBENU_STATS_P1(rx_jabber_frames),
1076 	GBENU_STATS_P1(rx_undersized_frames),
1077 	GBENU_STATS_P1(rx_fragments),
1078 	GBENU_STATS_P1(ale_drop),
1079 	GBENU_STATS_P1(ale_overrun_drop),
1080 	GBENU_STATS_P1(rx_bytes),
1081 	GBENU_STATS_P1(tx_good_frames),
1082 	GBENU_STATS_P1(tx_broadcast_frames),
1083 	GBENU_STATS_P1(tx_multicast_frames),
1084 	GBENU_STATS_P1(tx_pause_frames),
1085 	GBENU_STATS_P1(tx_deferred_frames),
1086 	GBENU_STATS_P1(tx_collision_frames),
1087 	GBENU_STATS_P1(tx_single_coll_frames),
1088 	GBENU_STATS_P1(tx_mult_coll_frames),
1089 	GBENU_STATS_P1(tx_excessive_collisions),
1090 	GBENU_STATS_P1(tx_late_collisions),
1091 	GBENU_STATS_P1(rx_ipg_error),
1092 	GBENU_STATS_P1(tx_carrier_sense_errors),
1093 	GBENU_STATS_P1(tx_bytes),
1094 	GBENU_STATS_P1(tx_64B_frames),
1095 	GBENU_STATS_P1(tx_65_to_127B_frames),
1096 	GBENU_STATS_P1(tx_128_to_255B_frames),
1097 	GBENU_STATS_P1(tx_256_to_511B_frames),
1098 	GBENU_STATS_P1(tx_512_to_1023B_frames),
1099 	GBENU_STATS_P1(tx_1024B_frames),
1100 	GBENU_STATS_P1(net_bytes),
1101 	GBENU_STATS_P1(rx_bottom_fifo_drop),
1102 	GBENU_STATS_P1(rx_port_mask_drop),
1103 	GBENU_STATS_P1(rx_top_fifo_drop),
1104 	GBENU_STATS_P1(ale_rate_limit_drop),
1105 	GBENU_STATS_P1(ale_vid_ingress_drop),
1106 	GBENU_STATS_P1(ale_da_eq_sa_drop),
1107 	GBENU_STATS_P1(ale_unknown_ucast),
1108 	GBENU_STATS_P1(ale_unknown_ucast_bytes),
1109 	GBENU_STATS_P1(ale_unknown_mcast),
1110 	GBENU_STATS_P1(ale_unknown_mcast_bytes),
1111 	GBENU_STATS_P1(ale_unknown_bcast),
1112 	GBENU_STATS_P1(ale_unknown_bcast_bytes),
1113 	GBENU_STATS_P1(ale_pol_match),
1114 	GBENU_STATS_P1(ale_pol_match_red),
1115 	GBENU_STATS_P1(ale_pol_match_yellow),
1116 	GBENU_STATS_P1(tx_mem_protect_err),
1117 	GBENU_STATS_P1(tx_pri0_drop),
1118 	GBENU_STATS_P1(tx_pri1_drop),
1119 	GBENU_STATS_P1(tx_pri2_drop),
1120 	GBENU_STATS_P1(tx_pri3_drop),
1121 	GBENU_STATS_P1(tx_pri4_drop),
1122 	GBENU_STATS_P1(tx_pri5_drop),
1123 	GBENU_STATS_P1(tx_pri6_drop),
1124 	GBENU_STATS_P1(tx_pri7_drop),
1125 	GBENU_STATS_P1(tx_pri0_drop_bcnt),
1126 	GBENU_STATS_P1(tx_pri1_drop_bcnt),
1127 	GBENU_STATS_P1(tx_pri2_drop_bcnt),
1128 	GBENU_STATS_P1(tx_pri3_drop_bcnt),
1129 	GBENU_STATS_P1(tx_pri4_drop_bcnt),
1130 	GBENU_STATS_P1(tx_pri5_drop_bcnt),
1131 	GBENU_STATS_P1(tx_pri6_drop_bcnt),
1132 	GBENU_STATS_P1(tx_pri7_drop_bcnt),
1133 	/* GBENU Module 2 */
1134 	GBENU_STATS_P2(rx_good_frames),
1135 	GBENU_STATS_P2(rx_broadcast_frames),
1136 	GBENU_STATS_P2(rx_multicast_frames),
1137 	GBENU_STATS_P2(rx_pause_frames),
1138 	GBENU_STATS_P2(rx_crc_errors),
1139 	GBENU_STATS_P2(rx_align_code_errors),
1140 	GBENU_STATS_P2(rx_oversized_frames),
1141 	GBENU_STATS_P2(rx_jabber_frames),
1142 	GBENU_STATS_P2(rx_undersized_frames),
1143 	GBENU_STATS_P2(rx_fragments),
1144 	GBENU_STATS_P2(ale_drop),
1145 	GBENU_STATS_P2(ale_overrun_drop),
1146 	GBENU_STATS_P2(rx_bytes),
1147 	GBENU_STATS_P2(tx_good_frames),
1148 	GBENU_STATS_P2(tx_broadcast_frames),
1149 	GBENU_STATS_P2(tx_multicast_frames),
1150 	GBENU_STATS_P2(tx_pause_frames),
1151 	GBENU_STATS_P2(tx_deferred_frames),
1152 	GBENU_STATS_P2(tx_collision_frames),
1153 	GBENU_STATS_P2(tx_single_coll_frames),
1154 	GBENU_STATS_P2(tx_mult_coll_frames),
1155 	GBENU_STATS_P2(tx_excessive_collisions),
1156 	GBENU_STATS_P2(tx_late_collisions),
1157 	GBENU_STATS_P2(rx_ipg_error),
1158 	GBENU_STATS_P2(tx_carrier_sense_errors),
1159 	GBENU_STATS_P2(tx_bytes),
1160 	GBENU_STATS_P2(tx_64B_frames),
1161 	GBENU_STATS_P2(tx_65_to_127B_frames),
1162 	GBENU_STATS_P2(tx_128_to_255B_frames),
1163 	GBENU_STATS_P2(tx_256_to_511B_frames),
1164 	GBENU_STATS_P2(tx_512_to_1023B_frames),
1165 	GBENU_STATS_P2(tx_1024B_frames),
1166 	GBENU_STATS_P2(net_bytes),
1167 	GBENU_STATS_P2(rx_bottom_fifo_drop),
1168 	GBENU_STATS_P2(rx_port_mask_drop),
1169 	GBENU_STATS_P2(rx_top_fifo_drop),
1170 	GBENU_STATS_P2(ale_rate_limit_drop),
1171 	GBENU_STATS_P2(ale_vid_ingress_drop),
1172 	GBENU_STATS_P2(ale_da_eq_sa_drop),
1173 	GBENU_STATS_P2(ale_unknown_ucast),
1174 	GBENU_STATS_P2(ale_unknown_ucast_bytes),
1175 	GBENU_STATS_P2(ale_unknown_mcast),
1176 	GBENU_STATS_P2(ale_unknown_mcast_bytes),
1177 	GBENU_STATS_P2(ale_unknown_bcast),
1178 	GBENU_STATS_P2(ale_unknown_bcast_bytes),
1179 	GBENU_STATS_P2(ale_pol_match),
1180 	GBENU_STATS_P2(ale_pol_match_red),
1181 	GBENU_STATS_P2(ale_pol_match_yellow),
1182 	GBENU_STATS_P2(tx_mem_protect_err),
1183 	GBENU_STATS_P2(tx_pri0_drop),
1184 	GBENU_STATS_P2(tx_pri1_drop),
1185 	GBENU_STATS_P2(tx_pri2_drop),
1186 	GBENU_STATS_P2(tx_pri3_drop),
1187 	GBENU_STATS_P2(tx_pri4_drop),
1188 	GBENU_STATS_P2(tx_pri5_drop),
1189 	GBENU_STATS_P2(tx_pri6_drop),
1190 	GBENU_STATS_P2(tx_pri7_drop),
1191 	GBENU_STATS_P2(tx_pri0_drop_bcnt),
1192 	GBENU_STATS_P2(tx_pri1_drop_bcnt),
1193 	GBENU_STATS_P2(tx_pri2_drop_bcnt),
1194 	GBENU_STATS_P2(tx_pri3_drop_bcnt),
1195 	GBENU_STATS_P2(tx_pri4_drop_bcnt),
1196 	GBENU_STATS_P2(tx_pri5_drop_bcnt),
1197 	GBENU_STATS_P2(tx_pri6_drop_bcnt),
1198 	GBENU_STATS_P2(tx_pri7_drop_bcnt),
1199 	/* GBENU Module 3 */
1200 	GBENU_STATS_P3(rx_good_frames),
1201 	GBENU_STATS_P3(rx_broadcast_frames),
1202 	GBENU_STATS_P3(rx_multicast_frames),
1203 	GBENU_STATS_P3(rx_pause_frames),
1204 	GBENU_STATS_P3(rx_crc_errors),
1205 	GBENU_STATS_P3(rx_align_code_errors),
1206 	GBENU_STATS_P3(rx_oversized_frames),
1207 	GBENU_STATS_P3(rx_jabber_frames),
1208 	GBENU_STATS_P3(rx_undersized_frames),
1209 	GBENU_STATS_P3(rx_fragments),
1210 	GBENU_STATS_P3(ale_drop),
1211 	GBENU_STATS_P3(ale_overrun_drop),
1212 	GBENU_STATS_P3(rx_bytes),
1213 	GBENU_STATS_P3(tx_good_frames),
1214 	GBENU_STATS_P3(tx_broadcast_frames),
1215 	GBENU_STATS_P3(tx_multicast_frames),
1216 	GBENU_STATS_P3(tx_pause_frames),
1217 	GBENU_STATS_P3(tx_deferred_frames),
1218 	GBENU_STATS_P3(tx_collision_frames),
1219 	GBENU_STATS_P3(tx_single_coll_frames),
1220 	GBENU_STATS_P3(tx_mult_coll_frames),
1221 	GBENU_STATS_P3(tx_excessive_collisions),
1222 	GBENU_STATS_P3(tx_late_collisions),
1223 	GBENU_STATS_P3(rx_ipg_error),
1224 	GBENU_STATS_P3(tx_carrier_sense_errors),
1225 	GBENU_STATS_P3(tx_bytes),
1226 	GBENU_STATS_P3(tx_64B_frames),
1227 	GBENU_STATS_P3(tx_65_to_127B_frames),
1228 	GBENU_STATS_P3(tx_128_to_255B_frames),
1229 	GBENU_STATS_P3(tx_256_to_511B_frames),
1230 	GBENU_STATS_P3(tx_512_to_1023B_frames),
1231 	GBENU_STATS_P3(tx_1024B_frames),
1232 	GBENU_STATS_P3(net_bytes),
1233 	GBENU_STATS_P3(rx_bottom_fifo_drop),
1234 	GBENU_STATS_P3(rx_port_mask_drop),
1235 	GBENU_STATS_P3(rx_top_fifo_drop),
1236 	GBENU_STATS_P3(ale_rate_limit_drop),
1237 	GBENU_STATS_P3(ale_vid_ingress_drop),
1238 	GBENU_STATS_P3(ale_da_eq_sa_drop),
1239 	GBENU_STATS_P3(ale_unknown_ucast),
1240 	GBENU_STATS_P3(ale_unknown_ucast_bytes),
1241 	GBENU_STATS_P3(ale_unknown_mcast),
1242 	GBENU_STATS_P3(ale_unknown_mcast_bytes),
1243 	GBENU_STATS_P3(ale_unknown_bcast),
1244 	GBENU_STATS_P3(ale_unknown_bcast_bytes),
1245 	GBENU_STATS_P3(ale_pol_match),
1246 	GBENU_STATS_P3(ale_pol_match_red),
1247 	GBENU_STATS_P3(ale_pol_match_yellow),
1248 	GBENU_STATS_P3(tx_mem_protect_err),
1249 	GBENU_STATS_P3(tx_pri0_drop),
1250 	GBENU_STATS_P3(tx_pri1_drop),
1251 	GBENU_STATS_P3(tx_pri2_drop),
1252 	GBENU_STATS_P3(tx_pri3_drop),
1253 	GBENU_STATS_P3(tx_pri4_drop),
1254 	GBENU_STATS_P3(tx_pri5_drop),
1255 	GBENU_STATS_P3(tx_pri6_drop),
1256 	GBENU_STATS_P3(tx_pri7_drop),
1257 	GBENU_STATS_P3(tx_pri0_drop_bcnt),
1258 	GBENU_STATS_P3(tx_pri1_drop_bcnt),
1259 	GBENU_STATS_P3(tx_pri2_drop_bcnt),
1260 	GBENU_STATS_P3(tx_pri3_drop_bcnt),
1261 	GBENU_STATS_P3(tx_pri4_drop_bcnt),
1262 	GBENU_STATS_P3(tx_pri5_drop_bcnt),
1263 	GBENU_STATS_P3(tx_pri6_drop_bcnt),
1264 	GBENU_STATS_P3(tx_pri7_drop_bcnt),
1265 	/* GBENU Module 4 */
1266 	GBENU_STATS_P4(rx_good_frames),
1267 	GBENU_STATS_P4(rx_broadcast_frames),
1268 	GBENU_STATS_P4(rx_multicast_frames),
1269 	GBENU_STATS_P4(rx_pause_frames),
1270 	GBENU_STATS_P4(rx_crc_errors),
1271 	GBENU_STATS_P4(rx_align_code_errors),
1272 	GBENU_STATS_P4(rx_oversized_frames),
1273 	GBENU_STATS_P4(rx_jabber_frames),
1274 	GBENU_STATS_P4(rx_undersized_frames),
1275 	GBENU_STATS_P4(rx_fragments),
1276 	GBENU_STATS_P4(ale_drop),
1277 	GBENU_STATS_P4(ale_overrun_drop),
1278 	GBENU_STATS_P4(rx_bytes),
1279 	GBENU_STATS_P4(tx_good_frames),
1280 	GBENU_STATS_P4(tx_broadcast_frames),
1281 	GBENU_STATS_P4(tx_multicast_frames),
1282 	GBENU_STATS_P4(tx_pause_frames),
1283 	GBENU_STATS_P4(tx_deferred_frames),
1284 	GBENU_STATS_P4(tx_collision_frames),
1285 	GBENU_STATS_P4(tx_single_coll_frames),
1286 	GBENU_STATS_P4(tx_mult_coll_frames),
1287 	GBENU_STATS_P4(tx_excessive_collisions),
1288 	GBENU_STATS_P4(tx_late_collisions),
1289 	GBENU_STATS_P4(rx_ipg_error),
1290 	GBENU_STATS_P4(tx_carrier_sense_errors),
1291 	GBENU_STATS_P4(tx_bytes),
1292 	GBENU_STATS_P4(tx_64B_frames),
1293 	GBENU_STATS_P4(tx_65_to_127B_frames),
1294 	GBENU_STATS_P4(tx_128_to_255B_frames),
1295 	GBENU_STATS_P4(tx_256_to_511B_frames),
1296 	GBENU_STATS_P4(tx_512_to_1023B_frames),
1297 	GBENU_STATS_P4(tx_1024B_frames),
1298 	GBENU_STATS_P4(net_bytes),
1299 	GBENU_STATS_P4(rx_bottom_fifo_drop),
1300 	GBENU_STATS_P4(rx_port_mask_drop),
1301 	GBENU_STATS_P4(rx_top_fifo_drop),
1302 	GBENU_STATS_P4(ale_rate_limit_drop),
1303 	GBENU_STATS_P4(ale_vid_ingress_drop),
1304 	GBENU_STATS_P4(ale_da_eq_sa_drop),
1305 	GBENU_STATS_P4(ale_unknown_ucast),
1306 	GBENU_STATS_P4(ale_unknown_ucast_bytes),
1307 	GBENU_STATS_P4(ale_unknown_mcast),
1308 	GBENU_STATS_P4(ale_unknown_mcast_bytes),
1309 	GBENU_STATS_P4(ale_unknown_bcast),
1310 	GBENU_STATS_P4(ale_unknown_bcast_bytes),
1311 	GBENU_STATS_P4(ale_pol_match),
1312 	GBENU_STATS_P4(ale_pol_match_red),
1313 	GBENU_STATS_P4(ale_pol_match_yellow),
1314 	GBENU_STATS_P4(tx_mem_protect_err),
1315 	GBENU_STATS_P4(tx_pri0_drop),
1316 	GBENU_STATS_P4(tx_pri1_drop),
1317 	GBENU_STATS_P4(tx_pri2_drop),
1318 	GBENU_STATS_P4(tx_pri3_drop),
1319 	GBENU_STATS_P4(tx_pri4_drop),
1320 	GBENU_STATS_P4(tx_pri5_drop),
1321 	GBENU_STATS_P4(tx_pri6_drop),
1322 	GBENU_STATS_P4(tx_pri7_drop),
1323 	GBENU_STATS_P4(tx_pri0_drop_bcnt),
1324 	GBENU_STATS_P4(tx_pri1_drop_bcnt),
1325 	GBENU_STATS_P4(tx_pri2_drop_bcnt),
1326 	GBENU_STATS_P4(tx_pri3_drop_bcnt),
1327 	GBENU_STATS_P4(tx_pri4_drop_bcnt),
1328 	GBENU_STATS_P4(tx_pri5_drop_bcnt),
1329 	GBENU_STATS_P4(tx_pri6_drop_bcnt),
1330 	GBENU_STATS_P4(tx_pri7_drop_bcnt),
1331 	/* GBENU Module 5 */
1332 	GBENU_STATS_P5(rx_good_frames),
1333 	GBENU_STATS_P5(rx_broadcast_frames),
1334 	GBENU_STATS_P5(rx_multicast_frames),
1335 	GBENU_STATS_P5(rx_pause_frames),
1336 	GBENU_STATS_P5(rx_crc_errors),
1337 	GBENU_STATS_P5(rx_align_code_errors),
1338 	GBENU_STATS_P5(rx_oversized_frames),
1339 	GBENU_STATS_P5(rx_jabber_frames),
1340 	GBENU_STATS_P5(rx_undersized_frames),
1341 	GBENU_STATS_P5(rx_fragments),
1342 	GBENU_STATS_P5(ale_drop),
1343 	GBENU_STATS_P5(ale_overrun_drop),
1344 	GBENU_STATS_P5(rx_bytes),
1345 	GBENU_STATS_P5(tx_good_frames),
1346 	GBENU_STATS_P5(tx_broadcast_frames),
1347 	GBENU_STATS_P5(tx_multicast_frames),
1348 	GBENU_STATS_P5(tx_pause_frames),
1349 	GBENU_STATS_P5(tx_deferred_frames),
1350 	GBENU_STATS_P5(tx_collision_frames),
1351 	GBENU_STATS_P5(tx_single_coll_frames),
1352 	GBENU_STATS_P5(tx_mult_coll_frames),
1353 	GBENU_STATS_P5(tx_excessive_collisions),
1354 	GBENU_STATS_P5(tx_late_collisions),
1355 	GBENU_STATS_P5(rx_ipg_error),
1356 	GBENU_STATS_P5(tx_carrier_sense_errors),
1357 	GBENU_STATS_P5(tx_bytes),
1358 	GBENU_STATS_P5(tx_64B_frames),
1359 	GBENU_STATS_P5(tx_65_to_127B_frames),
1360 	GBENU_STATS_P5(tx_128_to_255B_frames),
1361 	GBENU_STATS_P5(tx_256_to_511B_frames),
1362 	GBENU_STATS_P5(tx_512_to_1023B_frames),
1363 	GBENU_STATS_P5(tx_1024B_frames),
1364 	GBENU_STATS_P5(net_bytes),
1365 	GBENU_STATS_P5(rx_bottom_fifo_drop),
1366 	GBENU_STATS_P5(rx_port_mask_drop),
1367 	GBENU_STATS_P5(rx_top_fifo_drop),
1368 	GBENU_STATS_P5(ale_rate_limit_drop),
1369 	GBENU_STATS_P5(ale_vid_ingress_drop),
1370 	GBENU_STATS_P5(ale_da_eq_sa_drop),
1371 	GBENU_STATS_P5(ale_unknown_ucast),
1372 	GBENU_STATS_P5(ale_unknown_ucast_bytes),
1373 	GBENU_STATS_P5(ale_unknown_mcast),
1374 	GBENU_STATS_P5(ale_unknown_mcast_bytes),
1375 	GBENU_STATS_P5(ale_unknown_bcast),
1376 	GBENU_STATS_P5(ale_unknown_bcast_bytes),
1377 	GBENU_STATS_P5(ale_pol_match),
1378 	GBENU_STATS_P5(ale_pol_match_red),
1379 	GBENU_STATS_P5(ale_pol_match_yellow),
1380 	GBENU_STATS_P5(tx_mem_protect_err),
1381 	GBENU_STATS_P5(tx_pri0_drop),
1382 	GBENU_STATS_P5(tx_pri1_drop),
1383 	GBENU_STATS_P5(tx_pri2_drop),
1384 	GBENU_STATS_P5(tx_pri3_drop),
1385 	GBENU_STATS_P5(tx_pri4_drop),
1386 	GBENU_STATS_P5(tx_pri5_drop),
1387 	GBENU_STATS_P5(tx_pri6_drop),
1388 	GBENU_STATS_P5(tx_pri7_drop),
1389 	GBENU_STATS_P5(tx_pri0_drop_bcnt),
1390 	GBENU_STATS_P5(tx_pri1_drop_bcnt),
1391 	GBENU_STATS_P5(tx_pri2_drop_bcnt),
1392 	GBENU_STATS_P5(tx_pri3_drop_bcnt),
1393 	GBENU_STATS_P5(tx_pri4_drop_bcnt),
1394 	GBENU_STATS_P5(tx_pri5_drop_bcnt),
1395 	GBENU_STATS_P5(tx_pri6_drop_bcnt),
1396 	GBENU_STATS_P5(tx_pri7_drop_bcnt),
1397 	/* GBENU Module 6 */
1398 	GBENU_STATS_P6(rx_good_frames),
1399 	GBENU_STATS_P6(rx_broadcast_frames),
1400 	GBENU_STATS_P6(rx_multicast_frames),
1401 	GBENU_STATS_P6(rx_pause_frames),
1402 	GBENU_STATS_P6(rx_crc_errors),
1403 	GBENU_STATS_P6(rx_align_code_errors),
1404 	GBENU_STATS_P6(rx_oversized_frames),
1405 	GBENU_STATS_P6(rx_jabber_frames),
1406 	GBENU_STATS_P6(rx_undersized_frames),
1407 	GBENU_STATS_P6(rx_fragments),
1408 	GBENU_STATS_P6(ale_drop),
1409 	GBENU_STATS_P6(ale_overrun_drop),
1410 	GBENU_STATS_P6(rx_bytes),
1411 	GBENU_STATS_P6(tx_good_frames),
1412 	GBENU_STATS_P6(tx_broadcast_frames),
1413 	GBENU_STATS_P6(tx_multicast_frames),
1414 	GBENU_STATS_P6(tx_pause_frames),
1415 	GBENU_STATS_P6(tx_deferred_frames),
1416 	GBENU_STATS_P6(tx_collision_frames),
1417 	GBENU_STATS_P6(tx_single_coll_frames),
1418 	GBENU_STATS_P6(tx_mult_coll_frames),
1419 	GBENU_STATS_P6(tx_excessive_collisions),
1420 	GBENU_STATS_P6(tx_late_collisions),
1421 	GBENU_STATS_P6(rx_ipg_error),
1422 	GBENU_STATS_P6(tx_carrier_sense_errors),
1423 	GBENU_STATS_P6(tx_bytes),
1424 	GBENU_STATS_P6(tx_64B_frames),
1425 	GBENU_STATS_P6(tx_65_to_127B_frames),
1426 	GBENU_STATS_P6(tx_128_to_255B_frames),
1427 	GBENU_STATS_P6(tx_256_to_511B_frames),
1428 	GBENU_STATS_P6(tx_512_to_1023B_frames),
1429 	GBENU_STATS_P6(tx_1024B_frames),
1430 	GBENU_STATS_P6(net_bytes),
1431 	GBENU_STATS_P6(rx_bottom_fifo_drop),
1432 	GBENU_STATS_P6(rx_port_mask_drop),
1433 	GBENU_STATS_P6(rx_top_fifo_drop),
1434 	GBENU_STATS_P6(ale_rate_limit_drop),
1435 	GBENU_STATS_P6(ale_vid_ingress_drop),
1436 	GBENU_STATS_P6(ale_da_eq_sa_drop),
1437 	GBENU_STATS_P6(ale_unknown_ucast),
1438 	GBENU_STATS_P6(ale_unknown_ucast_bytes),
1439 	GBENU_STATS_P6(ale_unknown_mcast),
1440 	GBENU_STATS_P6(ale_unknown_mcast_bytes),
1441 	GBENU_STATS_P6(ale_unknown_bcast),
1442 	GBENU_STATS_P6(ale_unknown_bcast_bytes),
1443 	GBENU_STATS_P6(ale_pol_match),
1444 	GBENU_STATS_P6(ale_pol_match_red),
1445 	GBENU_STATS_P6(ale_pol_match_yellow),
1446 	GBENU_STATS_P6(tx_mem_protect_err),
1447 	GBENU_STATS_P6(tx_pri0_drop),
1448 	GBENU_STATS_P6(tx_pri1_drop),
1449 	GBENU_STATS_P6(tx_pri2_drop),
1450 	GBENU_STATS_P6(tx_pri3_drop),
1451 	GBENU_STATS_P6(tx_pri4_drop),
1452 	GBENU_STATS_P6(tx_pri5_drop),
1453 	GBENU_STATS_P6(tx_pri6_drop),
1454 	GBENU_STATS_P6(tx_pri7_drop),
1455 	GBENU_STATS_P6(tx_pri0_drop_bcnt),
1456 	GBENU_STATS_P6(tx_pri1_drop_bcnt),
1457 	GBENU_STATS_P6(tx_pri2_drop_bcnt),
1458 	GBENU_STATS_P6(tx_pri3_drop_bcnt),
1459 	GBENU_STATS_P6(tx_pri4_drop_bcnt),
1460 	GBENU_STATS_P6(tx_pri5_drop_bcnt),
1461 	GBENU_STATS_P6(tx_pri6_drop_bcnt),
1462 	GBENU_STATS_P6(tx_pri7_drop_bcnt),
1463 	/* GBENU Module 7 */
1464 	GBENU_STATS_P7(rx_good_frames),
1465 	GBENU_STATS_P7(rx_broadcast_frames),
1466 	GBENU_STATS_P7(rx_multicast_frames),
1467 	GBENU_STATS_P7(rx_pause_frames),
1468 	GBENU_STATS_P7(rx_crc_errors),
1469 	GBENU_STATS_P7(rx_align_code_errors),
1470 	GBENU_STATS_P7(rx_oversized_frames),
1471 	GBENU_STATS_P7(rx_jabber_frames),
1472 	GBENU_STATS_P7(rx_undersized_frames),
1473 	GBENU_STATS_P7(rx_fragments),
1474 	GBENU_STATS_P7(ale_drop),
1475 	GBENU_STATS_P7(ale_overrun_drop),
1476 	GBENU_STATS_P7(rx_bytes),
1477 	GBENU_STATS_P7(tx_good_frames),
1478 	GBENU_STATS_P7(tx_broadcast_frames),
1479 	GBENU_STATS_P7(tx_multicast_frames),
1480 	GBENU_STATS_P7(tx_pause_frames),
1481 	GBENU_STATS_P7(tx_deferred_frames),
1482 	GBENU_STATS_P7(tx_collision_frames),
1483 	GBENU_STATS_P7(tx_single_coll_frames),
1484 	GBENU_STATS_P7(tx_mult_coll_frames),
1485 	GBENU_STATS_P7(tx_excessive_collisions),
1486 	GBENU_STATS_P7(tx_late_collisions),
1487 	GBENU_STATS_P7(rx_ipg_error),
1488 	GBENU_STATS_P7(tx_carrier_sense_errors),
1489 	GBENU_STATS_P7(tx_bytes),
1490 	GBENU_STATS_P7(tx_64B_frames),
1491 	GBENU_STATS_P7(tx_65_to_127B_frames),
1492 	GBENU_STATS_P7(tx_128_to_255B_frames),
1493 	GBENU_STATS_P7(tx_256_to_511B_frames),
1494 	GBENU_STATS_P7(tx_512_to_1023B_frames),
1495 	GBENU_STATS_P7(tx_1024B_frames),
1496 	GBENU_STATS_P7(net_bytes),
1497 	GBENU_STATS_P7(rx_bottom_fifo_drop),
1498 	GBENU_STATS_P7(rx_port_mask_drop),
1499 	GBENU_STATS_P7(rx_top_fifo_drop),
1500 	GBENU_STATS_P7(ale_rate_limit_drop),
1501 	GBENU_STATS_P7(ale_vid_ingress_drop),
1502 	GBENU_STATS_P7(ale_da_eq_sa_drop),
1503 	GBENU_STATS_P7(ale_unknown_ucast),
1504 	GBENU_STATS_P7(ale_unknown_ucast_bytes),
1505 	GBENU_STATS_P7(ale_unknown_mcast),
1506 	GBENU_STATS_P7(ale_unknown_mcast_bytes),
1507 	GBENU_STATS_P7(ale_unknown_bcast),
1508 	GBENU_STATS_P7(ale_unknown_bcast_bytes),
1509 	GBENU_STATS_P7(ale_pol_match),
1510 	GBENU_STATS_P7(ale_pol_match_red),
1511 	GBENU_STATS_P7(ale_pol_match_yellow),
1512 	GBENU_STATS_P7(tx_mem_protect_err),
1513 	GBENU_STATS_P7(tx_pri0_drop),
1514 	GBENU_STATS_P7(tx_pri1_drop),
1515 	GBENU_STATS_P7(tx_pri2_drop),
1516 	GBENU_STATS_P7(tx_pri3_drop),
1517 	GBENU_STATS_P7(tx_pri4_drop),
1518 	GBENU_STATS_P7(tx_pri5_drop),
1519 	GBENU_STATS_P7(tx_pri6_drop),
1520 	GBENU_STATS_P7(tx_pri7_drop),
1521 	GBENU_STATS_P7(tx_pri0_drop_bcnt),
1522 	GBENU_STATS_P7(tx_pri1_drop_bcnt),
1523 	GBENU_STATS_P7(tx_pri2_drop_bcnt),
1524 	GBENU_STATS_P7(tx_pri3_drop_bcnt),
1525 	GBENU_STATS_P7(tx_pri4_drop_bcnt),
1526 	GBENU_STATS_P7(tx_pri5_drop_bcnt),
1527 	GBENU_STATS_P7(tx_pri6_drop_bcnt),
1528 	GBENU_STATS_P7(tx_pri7_drop_bcnt),
1529 	/* GBENU Module 8 */
1530 	GBENU_STATS_P8(rx_good_frames),
1531 	GBENU_STATS_P8(rx_broadcast_frames),
1532 	GBENU_STATS_P8(rx_multicast_frames),
1533 	GBENU_STATS_P8(rx_pause_frames),
1534 	GBENU_STATS_P8(rx_crc_errors),
1535 	GBENU_STATS_P8(rx_align_code_errors),
1536 	GBENU_STATS_P8(rx_oversized_frames),
1537 	GBENU_STATS_P8(rx_jabber_frames),
1538 	GBENU_STATS_P8(rx_undersized_frames),
1539 	GBENU_STATS_P8(rx_fragments),
1540 	GBENU_STATS_P8(ale_drop),
1541 	GBENU_STATS_P8(ale_overrun_drop),
1542 	GBENU_STATS_P8(rx_bytes),
1543 	GBENU_STATS_P8(tx_good_frames),
1544 	GBENU_STATS_P8(tx_broadcast_frames),
1545 	GBENU_STATS_P8(tx_multicast_frames),
1546 	GBENU_STATS_P8(tx_pause_frames),
1547 	GBENU_STATS_P8(tx_deferred_frames),
1548 	GBENU_STATS_P8(tx_collision_frames),
1549 	GBENU_STATS_P8(tx_single_coll_frames),
1550 	GBENU_STATS_P8(tx_mult_coll_frames),
1551 	GBENU_STATS_P8(tx_excessive_collisions),
1552 	GBENU_STATS_P8(tx_late_collisions),
1553 	GBENU_STATS_P8(rx_ipg_error),
1554 	GBENU_STATS_P8(tx_carrier_sense_errors),
1555 	GBENU_STATS_P8(tx_bytes),
1556 	GBENU_STATS_P8(tx_64B_frames),
1557 	GBENU_STATS_P8(tx_65_to_127B_frames),
1558 	GBENU_STATS_P8(tx_128_to_255B_frames),
1559 	GBENU_STATS_P8(tx_256_to_511B_frames),
1560 	GBENU_STATS_P8(tx_512_to_1023B_frames),
1561 	GBENU_STATS_P8(tx_1024B_frames),
1562 	GBENU_STATS_P8(net_bytes),
1563 	GBENU_STATS_P8(rx_bottom_fifo_drop),
1564 	GBENU_STATS_P8(rx_port_mask_drop),
1565 	GBENU_STATS_P8(rx_top_fifo_drop),
1566 	GBENU_STATS_P8(ale_rate_limit_drop),
1567 	GBENU_STATS_P8(ale_vid_ingress_drop),
1568 	GBENU_STATS_P8(ale_da_eq_sa_drop),
1569 	GBENU_STATS_P8(ale_unknown_ucast),
1570 	GBENU_STATS_P8(ale_unknown_ucast_bytes),
1571 	GBENU_STATS_P8(ale_unknown_mcast),
1572 	GBENU_STATS_P8(ale_unknown_mcast_bytes),
1573 	GBENU_STATS_P8(ale_unknown_bcast),
1574 	GBENU_STATS_P8(ale_unknown_bcast_bytes),
1575 	GBENU_STATS_P8(ale_pol_match),
1576 	GBENU_STATS_P8(ale_pol_match_red),
1577 	GBENU_STATS_P8(ale_pol_match_yellow),
1578 	GBENU_STATS_P8(tx_mem_protect_err),
1579 	GBENU_STATS_P8(tx_pri0_drop),
1580 	GBENU_STATS_P8(tx_pri1_drop),
1581 	GBENU_STATS_P8(tx_pri2_drop),
1582 	GBENU_STATS_P8(tx_pri3_drop),
1583 	GBENU_STATS_P8(tx_pri4_drop),
1584 	GBENU_STATS_P8(tx_pri5_drop),
1585 	GBENU_STATS_P8(tx_pri6_drop),
1586 	GBENU_STATS_P8(tx_pri7_drop),
1587 	GBENU_STATS_P8(tx_pri0_drop_bcnt),
1588 	GBENU_STATS_P8(tx_pri1_drop_bcnt),
1589 	GBENU_STATS_P8(tx_pri2_drop_bcnt),
1590 	GBENU_STATS_P8(tx_pri3_drop_bcnt),
1591 	GBENU_STATS_P8(tx_pri4_drop_bcnt),
1592 	GBENU_STATS_P8(tx_pri5_drop_bcnt),
1593 	GBENU_STATS_P8(tx_pri6_drop_bcnt),
1594 	GBENU_STATS_P8(tx_pri7_drop_bcnt),
1595 };
1596 
1597 #define XGBE_STATS0_INFO(field)				\
1598 {							\
1599 	"GBE_0:"#field, XGBE_STATS0_MODULE,		\
1600 	FIELD_SIZEOF(struct xgbe_hw_stats, field),	\
1601 	offsetof(struct xgbe_hw_stats, field)		\
1602 }
1603 
1604 #define XGBE_STATS1_INFO(field)				\
1605 {							\
1606 	"GBE_1:"#field, XGBE_STATS1_MODULE,		\
1607 	FIELD_SIZEOF(struct xgbe_hw_stats, field),	\
1608 	offsetof(struct xgbe_hw_stats, field)		\
1609 }
1610 
1611 #define XGBE_STATS2_INFO(field)				\
1612 {							\
1613 	"GBE_2:"#field, XGBE_STATS2_MODULE,		\
1614 	FIELD_SIZEOF(struct xgbe_hw_stats, field),	\
1615 	offsetof(struct xgbe_hw_stats, field)		\
1616 }
1617 
1618 static const struct netcp_ethtool_stat xgbe10_et_stats[] = {
1619 	/* GBE module 0 */
1620 	XGBE_STATS0_INFO(rx_good_frames),
1621 	XGBE_STATS0_INFO(rx_broadcast_frames),
1622 	XGBE_STATS0_INFO(rx_multicast_frames),
1623 	XGBE_STATS0_INFO(rx_oversized_frames),
1624 	XGBE_STATS0_INFO(rx_undersized_frames),
1625 	XGBE_STATS0_INFO(overrun_type4),
1626 	XGBE_STATS0_INFO(overrun_type5),
1627 	XGBE_STATS0_INFO(rx_bytes),
1628 	XGBE_STATS0_INFO(tx_good_frames),
1629 	XGBE_STATS0_INFO(tx_broadcast_frames),
1630 	XGBE_STATS0_INFO(tx_multicast_frames),
1631 	XGBE_STATS0_INFO(tx_bytes),
1632 	XGBE_STATS0_INFO(tx_64byte_frames),
1633 	XGBE_STATS0_INFO(tx_65_to_127byte_frames),
1634 	XGBE_STATS0_INFO(tx_128_to_255byte_frames),
1635 	XGBE_STATS0_INFO(tx_256_to_511byte_frames),
1636 	XGBE_STATS0_INFO(tx_512_to_1023byte_frames),
1637 	XGBE_STATS0_INFO(tx_1024byte_frames),
1638 	XGBE_STATS0_INFO(net_bytes),
1639 	XGBE_STATS0_INFO(rx_sof_overruns),
1640 	XGBE_STATS0_INFO(rx_mof_overruns),
1641 	XGBE_STATS0_INFO(rx_dma_overruns),
1642 	/* XGBE module 1 */
1643 	XGBE_STATS1_INFO(rx_good_frames),
1644 	XGBE_STATS1_INFO(rx_broadcast_frames),
1645 	XGBE_STATS1_INFO(rx_multicast_frames),
1646 	XGBE_STATS1_INFO(rx_pause_frames),
1647 	XGBE_STATS1_INFO(rx_crc_errors),
1648 	XGBE_STATS1_INFO(rx_align_code_errors),
1649 	XGBE_STATS1_INFO(rx_oversized_frames),
1650 	XGBE_STATS1_INFO(rx_jabber_frames),
1651 	XGBE_STATS1_INFO(rx_undersized_frames),
1652 	XGBE_STATS1_INFO(rx_fragments),
1653 	XGBE_STATS1_INFO(overrun_type4),
1654 	XGBE_STATS1_INFO(overrun_type5),
1655 	XGBE_STATS1_INFO(rx_bytes),
1656 	XGBE_STATS1_INFO(tx_good_frames),
1657 	XGBE_STATS1_INFO(tx_broadcast_frames),
1658 	XGBE_STATS1_INFO(tx_multicast_frames),
1659 	XGBE_STATS1_INFO(tx_pause_frames),
1660 	XGBE_STATS1_INFO(tx_deferred_frames),
1661 	XGBE_STATS1_INFO(tx_collision_frames),
1662 	XGBE_STATS1_INFO(tx_single_coll_frames),
1663 	XGBE_STATS1_INFO(tx_mult_coll_frames),
1664 	XGBE_STATS1_INFO(tx_excessive_collisions),
1665 	XGBE_STATS1_INFO(tx_late_collisions),
1666 	XGBE_STATS1_INFO(tx_underrun),
1667 	XGBE_STATS1_INFO(tx_carrier_sense_errors),
1668 	XGBE_STATS1_INFO(tx_bytes),
1669 	XGBE_STATS1_INFO(tx_64byte_frames),
1670 	XGBE_STATS1_INFO(tx_65_to_127byte_frames),
1671 	XGBE_STATS1_INFO(tx_128_to_255byte_frames),
1672 	XGBE_STATS1_INFO(tx_256_to_511byte_frames),
1673 	XGBE_STATS1_INFO(tx_512_to_1023byte_frames),
1674 	XGBE_STATS1_INFO(tx_1024byte_frames),
1675 	XGBE_STATS1_INFO(net_bytes),
1676 	XGBE_STATS1_INFO(rx_sof_overruns),
1677 	XGBE_STATS1_INFO(rx_mof_overruns),
1678 	XGBE_STATS1_INFO(rx_dma_overruns),
1679 	/* XGBE module 2 */
1680 	XGBE_STATS2_INFO(rx_good_frames),
1681 	XGBE_STATS2_INFO(rx_broadcast_frames),
1682 	XGBE_STATS2_INFO(rx_multicast_frames),
1683 	XGBE_STATS2_INFO(rx_pause_frames),
1684 	XGBE_STATS2_INFO(rx_crc_errors),
1685 	XGBE_STATS2_INFO(rx_align_code_errors),
1686 	XGBE_STATS2_INFO(rx_oversized_frames),
1687 	XGBE_STATS2_INFO(rx_jabber_frames),
1688 	XGBE_STATS2_INFO(rx_undersized_frames),
1689 	XGBE_STATS2_INFO(rx_fragments),
1690 	XGBE_STATS2_INFO(overrun_type4),
1691 	XGBE_STATS2_INFO(overrun_type5),
1692 	XGBE_STATS2_INFO(rx_bytes),
1693 	XGBE_STATS2_INFO(tx_good_frames),
1694 	XGBE_STATS2_INFO(tx_broadcast_frames),
1695 	XGBE_STATS2_INFO(tx_multicast_frames),
1696 	XGBE_STATS2_INFO(tx_pause_frames),
1697 	XGBE_STATS2_INFO(tx_deferred_frames),
1698 	XGBE_STATS2_INFO(tx_collision_frames),
1699 	XGBE_STATS2_INFO(tx_single_coll_frames),
1700 	XGBE_STATS2_INFO(tx_mult_coll_frames),
1701 	XGBE_STATS2_INFO(tx_excessive_collisions),
1702 	XGBE_STATS2_INFO(tx_late_collisions),
1703 	XGBE_STATS2_INFO(tx_underrun),
1704 	XGBE_STATS2_INFO(tx_carrier_sense_errors),
1705 	XGBE_STATS2_INFO(tx_bytes),
1706 	XGBE_STATS2_INFO(tx_64byte_frames),
1707 	XGBE_STATS2_INFO(tx_65_to_127byte_frames),
1708 	XGBE_STATS2_INFO(tx_128_to_255byte_frames),
1709 	XGBE_STATS2_INFO(tx_256_to_511byte_frames),
1710 	XGBE_STATS2_INFO(tx_512_to_1023byte_frames),
1711 	XGBE_STATS2_INFO(tx_1024byte_frames),
1712 	XGBE_STATS2_INFO(net_bytes),
1713 	XGBE_STATS2_INFO(rx_sof_overruns),
1714 	XGBE_STATS2_INFO(rx_mof_overruns),
1715 	XGBE_STATS2_INFO(rx_dma_overruns),
1716 };
1717 
1718 #define for_each_intf(i, priv) \
1719 	list_for_each_entry((i), &(priv)->gbe_intf_head, gbe_intf_list)
1720 
1721 #define for_each_sec_slave(slave, priv) \
1722 	list_for_each_entry((slave), &(priv)->secondary_slaves, slave_list)
1723 
1724 #define first_sec_slave(priv)					\
1725 	list_first_entry(&priv->secondary_slaves, \
1726 			struct gbe_slave, slave_list)
1727 
1728 static void keystone_get_drvinfo(struct net_device *ndev,
1729 				 struct ethtool_drvinfo *info)
1730 {
1731 	strncpy(info->driver, NETCP_DRIVER_NAME, sizeof(info->driver));
1732 	strncpy(info->version, NETCP_DRIVER_VERSION, sizeof(info->version));
1733 }
1734 
1735 static u32 keystone_get_msglevel(struct net_device *ndev)
1736 {
1737 	struct netcp_intf *netcp = netdev_priv(ndev);
1738 
1739 	return netcp->msg_enable;
1740 }
1741 
1742 static void keystone_set_msglevel(struct net_device *ndev, u32 value)
1743 {
1744 	struct netcp_intf *netcp = netdev_priv(ndev);
1745 
1746 	netcp->msg_enable = value;
1747 }
1748 
1749 static void keystone_get_stat_strings(struct net_device *ndev,
1750 				      uint32_t stringset, uint8_t *data)
1751 {
1752 	struct netcp_intf *netcp = netdev_priv(ndev);
1753 	struct gbe_intf *gbe_intf;
1754 	struct gbe_priv *gbe_dev;
1755 	int i;
1756 
1757 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
1758 	if (!gbe_intf)
1759 		return;
1760 	gbe_dev = gbe_intf->gbe_dev;
1761 
1762 	switch (stringset) {
1763 	case ETH_SS_STATS:
1764 		for (i = 0; i < gbe_dev->num_et_stats; i++) {
1765 			memcpy(data, gbe_dev->et_stats[i].desc,
1766 			       ETH_GSTRING_LEN);
1767 			data += ETH_GSTRING_LEN;
1768 		}
1769 		break;
1770 	case ETH_SS_TEST:
1771 		break;
1772 	}
1773 }
1774 
1775 static int keystone_get_sset_count(struct net_device *ndev, int stringset)
1776 {
1777 	struct netcp_intf *netcp = netdev_priv(ndev);
1778 	struct gbe_intf *gbe_intf;
1779 	struct gbe_priv *gbe_dev;
1780 
1781 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
1782 	if (!gbe_intf)
1783 		return -EINVAL;
1784 	gbe_dev = gbe_intf->gbe_dev;
1785 
1786 	switch (stringset) {
1787 	case ETH_SS_TEST:
1788 		return 0;
1789 	case ETH_SS_STATS:
1790 		return gbe_dev->num_et_stats;
1791 	default:
1792 		return -EINVAL;
1793 	}
1794 }
1795 
1796 static void gbe_reset_mod_stats(struct gbe_priv *gbe_dev, int stats_mod)
1797 {
1798 	void __iomem *base = gbe_dev->hw_stats_regs[stats_mod];
1799 	u32  __iomem *p_stats_entry;
1800 	int i;
1801 
1802 	for (i = 0; i < gbe_dev->num_et_stats; i++) {
1803 		if (gbe_dev->et_stats[i].type == stats_mod) {
1804 			p_stats_entry = base + gbe_dev->et_stats[i].offset;
1805 			gbe_dev->hw_stats[i] = 0;
1806 			gbe_dev->hw_stats_prev[i] = readl(p_stats_entry);
1807 		}
1808 	}
1809 }
1810 
1811 static inline void gbe_update_hw_stats_entry(struct gbe_priv *gbe_dev,
1812 					     int et_stats_entry)
1813 {
1814 	void __iomem *base = NULL;
1815 	u32  __iomem *p_stats_entry;
1816 	u32 curr, delta;
1817 
1818 	/* The hw_stats_regs pointers are already
1819 	 * properly set to point to the right base:
1820 	 */
1821 	base = gbe_dev->hw_stats_regs[gbe_dev->et_stats[et_stats_entry].type];
1822 	p_stats_entry = base + gbe_dev->et_stats[et_stats_entry].offset;
1823 	curr = readl(p_stats_entry);
1824 	delta = curr - gbe_dev->hw_stats_prev[et_stats_entry];
1825 	gbe_dev->hw_stats_prev[et_stats_entry] = curr;
1826 	gbe_dev->hw_stats[et_stats_entry] += delta;
1827 }
1828 
1829 static void gbe_update_stats(struct gbe_priv *gbe_dev, uint64_t *data)
1830 {
1831 	int i;
1832 
1833 	for (i = 0; i < gbe_dev->num_et_stats; i++) {
1834 		gbe_update_hw_stats_entry(gbe_dev, i);
1835 
1836 		if (data)
1837 			data[i] = gbe_dev->hw_stats[i];
1838 	}
1839 }
1840 
1841 static inline void gbe_stats_mod_visible_ver14(struct gbe_priv *gbe_dev,
1842 					       int stats_mod)
1843 {
1844 	u32 val;
1845 
1846 	val = readl(GBE_REG_ADDR(gbe_dev, switch_regs, stat_port_en));
1847 
1848 	switch (stats_mod) {
1849 	case GBE_STATSA_MODULE:
1850 	case GBE_STATSB_MODULE:
1851 		val &= ~GBE_STATS_CD_SEL;
1852 		break;
1853 	case GBE_STATSC_MODULE:
1854 	case GBE_STATSD_MODULE:
1855 		val |= GBE_STATS_CD_SEL;
1856 		break;
1857 	default:
1858 		return;
1859 	}
1860 
1861 	/* make the stat module visible */
1862 	writel(val, GBE_REG_ADDR(gbe_dev, switch_regs, stat_port_en));
1863 }
1864 
1865 static void gbe_reset_mod_stats_ver14(struct gbe_priv *gbe_dev, int stats_mod)
1866 {
1867 	gbe_stats_mod_visible_ver14(gbe_dev, stats_mod);
1868 	gbe_reset_mod_stats(gbe_dev, stats_mod);
1869 }
1870 
1871 static void gbe_update_stats_ver14(struct gbe_priv *gbe_dev, uint64_t *data)
1872 {
1873 	u32 half_num_et_stats = (gbe_dev->num_et_stats / 2);
1874 	int et_entry, j, pair;
1875 
1876 	for (pair = 0; pair < 2; pair++) {
1877 		gbe_stats_mod_visible_ver14(gbe_dev, (pair ?
1878 						      GBE_STATSC_MODULE :
1879 						      GBE_STATSA_MODULE));
1880 
1881 		for (j = 0; j < half_num_et_stats; j++) {
1882 			et_entry = pair * half_num_et_stats + j;
1883 			gbe_update_hw_stats_entry(gbe_dev, et_entry);
1884 
1885 			if (data)
1886 				data[et_entry] = gbe_dev->hw_stats[et_entry];
1887 		}
1888 	}
1889 }
1890 
1891 static void keystone_get_ethtool_stats(struct net_device *ndev,
1892 				       struct ethtool_stats *stats,
1893 				       uint64_t *data)
1894 {
1895 	struct netcp_intf *netcp = netdev_priv(ndev);
1896 	struct gbe_intf *gbe_intf;
1897 	struct gbe_priv *gbe_dev;
1898 
1899 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
1900 	if (!gbe_intf)
1901 		return;
1902 
1903 	gbe_dev = gbe_intf->gbe_dev;
1904 	spin_lock_bh(&gbe_dev->hw_stats_lock);
1905 	if (gbe_dev->ss_version == GBE_SS_VERSION_14)
1906 		gbe_update_stats_ver14(gbe_dev, data);
1907 	else
1908 		gbe_update_stats(gbe_dev, data);
1909 	spin_unlock_bh(&gbe_dev->hw_stats_lock);
1910 }
1911 
1912 static int keystone_get_link_ksettings(struct net_device *ndev,
1913 				       struct ethtool_link_ksettings *cmd)
1914 {
1915 	struct netcp_intf *netcp = netdev_priv(ndev);
1916 	struct phy_device *phy = ndev->phydev;
1917 	struct gbe_intf *gbe_intf;
1918 	int ret;
1919 
1920 	if (!phy)
1921 		return -EINVAL;
1922 
1923 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
1924 	if (!gbe_intf)
1925 		return -EINVAL;
1926 
1927 	if (!gbe_intf->slave)
1928 		return -EINVAL;
1929 
1930 	ret = phy_ethtool_ksettings_get(phy, cmd);
1931 	if (!ret)
1932 		cmd->base.port = gbe_intf->slave->phy_port_t;
1933 
1934 	return ret;
1935 }
1936 
1937 static int keystone_set_link_ksettings(struct net_device *ndev,
1938 				       const struct ethtool_link_ksettings *cmd)
1939 {
1940 	struct netcp_intf *netcp = netdev_priv(ndev);
1941 	struct phy_device *phy = ndev->phydev;
1942 	struct gbe_intf *gbe_intf;
1943 	u8 port = cmd->base.port;
1944 	u32 advertising, supported;
1945 	u32 features;
1946 
1947 	ethtool_convert_link_mode_to_legacy_u32(&advertising,
1948 						cmd->link_modes.advertising);
1949 	ethtool_convert_link_mode_to_legacy_u32(&supported,
1950 						cmd->link_modes.supported);
1951 	features = advertising & supported;
1952 
1953 	if (!phy)
1954 		return -EINVAL;
1955 
1956 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
1957 	if (!gbe_intf)
1958 		return -EINVAL;
1959 
1960 	if (!gbe_intf->slave)
1961 		return -EINVAL;
1962 
1963 	if (port != gbe_intf->slave->phy_port_t) {
1964 		if ((port == PORT_TP) && !(features & ADVERTISED_TP))
1965 			return -EINVAL;
1966 
1967 		if ((port == PORT_AUI) && !(features & ADVERTISED_AUI))
1968 			return -EINVAL;
1969 
1970 		if ((port == PORT_BNC) && !(features & ADVERTISED_BNC))
1971 			return -EINVAL;
1972 
1973 		if ((port == PORT_MII) && !(features & ADVERTISED_MII))
1974 			return -EINVAL;
1975 
1976 		if ((port == PORT_FIBRE) && !(features & ADVERTISED_FIBRE))
1977 			return -EINVAL;
1978 	}
1979 
1980 	gbe_intf->slave->phy_port_t = port;
1981 	return phy_ethtool_ksettings_set(phy, cmd);
1982 }
1983 
1984 #if IS_ENABLED(CONFIG_TI_CPTS)
1985 static int keystone_get_ts_info(struct net_device *ndev,
1986 				struct ethtool_ts_info *info)
1987 {
1988 	struct netcp_intf *netcp = netdev_priv(ndev);
1989 	struct gbe_intf *gbe_intf;
1990 
1991 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
1992 	if (!gbe_intf || !gbe_intf->gbe_dev->cpts)
1993 		return -EINVAL;
1994 
1995 	info->so_timestamping =
1996 		SOF_TIMESTAMPING_TX_HARDWARE |
1997 		SOF_TIMESTAMPING_TX_SOFTWARE |
1998 		SOF_TIMESTAMPING_RX_HARDWARE |
1999 		SOF_TIMESTAMPING_RX_SOFTWARE |
2000 		SOF_TIMESTAMPING_SOFTWARE |
2001 		SOF_TIMESTAMPING_RAW_HARDWARE;
2002 	info->phc_index = gbe_intf->gbe_dev->cpts->phc_index;
2003 	info->tx_types =
2004 		(1 << HWTSTAMP_TX_OFF) |
2005 		(1 << HWTSTAMP_TX_ON);
2006 	info->rx_filters =
2007 		(1 << HWTSTAMP_FILTER_NONE) |
2008 		(1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
2009 		(1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
2010 	return 0;
2011 }
2012 #else
2013 static int keystone_get_ts_info(struct net_device *ndev,
2014 				struct ethtool_ts_info *info)
2015 {
2016 	info->so_timestamping =
2017 		SOF_TIMESTAMPING_TX_SOFTWARE |
2018 		SOF_TIMESTAMPING_RX_SOFTWARE |
2019 		SOF_TIMESTAMPING_SOFTWARE;
2020 	info->phc_index = -1;
2021 	info->tx_types = 0;
2022 	info->rx_filters = 0;
2023 	return 0;
2024 }
2025 #endif /* CONFIG_TI_CPTS */
2026 
2027 static const struct ethtool_ops keystone_ethtool_ops = {
2028 	.get_drvinfo		= keystone_get_drvinfo,
2029 	.get_link		= ethtool_op_get_link,
2030 	.get_msglevel		= keystone_get_msglevel,
2031 	.set_msglevel		= keystone_set_msglevel,
2032 	.get_strings		= keystone_get_stat_strings,
2033 	.get_sset_count		= keystone_get_sset_count,
2034 	.get_ethtool_stats	= keystone_get_ethtool_stats,
2035 	.get_link_ksettings	= keystone_get_link_ksettings,
2036 	.set_link_ksettings	= keystone_set_link_ksettings,
2037 	.get_ts_info		= keystone_get_ts_info,
2038 };
2039 
2040 #define mac_hi(mac)	(((mac)[0] << 0) | ((mac)[1] << 8) |	\
2041 			 ((mac)[2] << 16) | ((mac)[3] << 24))
2042 #define mac_lo(mac)	(((mac)[4] << 0) | ((mac)[5] << 8))
2043 
2044 static void gbe_set_slave_mac(struct gbe_slave *slave,
2045 			      struct gbe_intf *gbe_intf)
2046 {
2047 	struct net_device *ndev = gbe_intf->ndev;
2048 
2049 	writel(mac_hi(ndev->dev_addr), GBE_REG_ADDR(slave, port_regs, sa_hi));
2050 	writel(mac_lo(ndev->dev_addr), GBE_REG_ADDR(slave, port_regs, sa_lo));
2051 }
2052 
2053 static int gbe_get_slave_port(struct gbe_priv *priv, u32 slave_num)
2054 {
2055 	if (priv->host_port == 0)
2056 		return slave_num + 1;
2057 
2058 	return slave_num;
2059 }
2060 
2061 static void netcp_ethss_link_state_action(struct gbe_priv *gbe_dev,
2062 					  struct net_device *ndev,
2063 					  struct gbe_slave *slave,
2064 					  int up)
2065 {
2066 	struct phy_device *phy = slave->phy;
2067 	u32 mac_control = 0;
2068 
2069 	if (up) {
2070 		mac_control = slave->mac_control;
2071 		if (phy && (phy->speed == SPEED_1000)) {
2072 			mac_control |= MACSL_GIG_MODE;
2073 			mac_control &= ~MACSL_XGIG_MODE;
2074 		} else if (phy && (phy->speed == SPEED_10000)) {
2075 			mac_control |= MACSL_XGIG_MODE;
2076 			mac_control &= ~MACSL_GIG_MODE;
2077 		}
2078 
2079 		writel(mac_control, GBE_REG_ADDR(slave, emac_regs,
2080 						 mac_control));
2081 
2082 		cpsw_ale_control_set(gbe_dev->ale, slave->port_num,
2083 				     ALE_PORT_STATE,
2084 				     ALE_PORT_STATE_FORWARD);
2085 
2086 		if (ndev && slave->open &&
2087 		    slave->link_interface != SGMII_LINK_MAC_PHY &&
2088 		    slave->link_interface != XGMII_LINK_MAC_PHY)
2089 			netif_carrier_on(ndev);
2090 	} else {
2091 		writel(mac_control, GBE_REG_ADDR(slave, emac_regs,
2092 						 mac_control));
2093 		cpsw_ale_control_set(gbe_dev->ale, slave->port_num,
2094 				     ALE_PORT_STATE,
2095 				     ALE_PORT_STATE_DISABLE);
2096 		if (ndev &&
2097 		    slave->link_interface != SGMII_LINK_MAC_PHY &&
2098 		    slave->link_interface != XGMII_LINK_MAC_PHY)
2099 			netif_carrier_off(ndev);
2100 	}
2101 
2102 	if (phy)
2103 		phy_print_status(phy);
2104 }
2105 
2106 static bool gbe_phy_link_status(struct gbe_slave *slave)
2107 {
2108 	 return !slave->phy || slave->phy->link;
2109 }
2110 
2111 static void netcp_ethss_update_link_state(struct gbe_priv *gbe_dev,
2112 					  struct gbe_slave *slave,
2113 					  struct net_device *ndev)
2114 {
2115 	int sp = slave->slave_num;
2116 	int phy_link_state, sgmii_link_state = 1, link_state;
2117 
2118 	if (!slave->open)
2119 		return;
2120 
2121 	if (!SLAVE_LINK_IS_XGMII(slave)) {
2122 		sgmii_link_state =
2123 			netcp_sgmii_get_port_link(SGMII_BASE(gbe_dev, sp), sp);
2124 	}
2125 
2126 	phy_link_state = gbe_phy_link_status(slave);
2127 	link_state = phy_link_state & sgmii_link_state;
2128 
2129 	if (atomic_xchg(&slave->link_state, link_state) != link_state)
2130 		netcp_ethss_link_state_action(gbe_dev, ndev, slave,
2131 					      link_state);
2132 }
2133 
2134 static void xgbe_adjust_link(struct net_device *ndev)
2135 {
2136 	struct netcp_intf *netcp = netdev_priv(ndev);
2137 	struct gbe_intf *gbe_intf;
2138 
2139 	gbe_intf = netcp_module_get_intf_data(&xgbe_module, netcp);
2140 	if (!gbe_intf)
2141 		return;
2142 
2143 	netcp_ethss_update_link_state(gbe_intf->gbe_dev, gbe_intf->slave,
2144 				      ndev);
2145 }
2146 
2147 static void gbe_adjust_link(struct net_device *ndev)
2148 {
2149 	struct netcp_intf *netcp = netdev_priv(ndev);
2150 	struct gbe_intf *gbe_intf;
2151 
2152 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
2153 	if (!gbe_intf)
2154 		return;
2155 
2156 	netcp_ethss_update_link_state(gbe_intf->gbe_dev, gbe_intf->slave,
2157 				      ndev);
2158 }
2159 
2160 static void gbe_adjust_link_sec_slaves(struct net_device *ndev)
2161 {
2162 	struct gbe_priv *gbe_dev = netdev_priv(ndev);
2163 	struct gbe_slave *slave;
2164 
2165 	for_each_sec_slave(slave, gbe_dev)
2166 		netcp_ethss_update_link_state(gbe_dev, slave, NULL);
2167 }
2168 
2169 /* Reset EMAC
2170  * Soft reset is set and polled until clear, or until a timeout occurs
2171  */
2172 static int gbe_port_reset(struct gbe_slave *slave)
2173 {
2174 	u32 i, v;
2175 
2176 	/* Set the soft reset bit */
2177 	writel(SOFT_RESET, GBE_REG_ADDR(slave, emac_regs, soft_reset));
2178 
2179 	/* Wait for the bit to clear */
2180 	for (i = 0; i < DEVICE_EMACSL_RESET_POLL_COUNT; i++) {
2181 		v = readl(GBE_REG_ADDR(slave, emac_regs, soft_reset));
2182 		if ((v & SOFT_RESET_MASK) != SOFT_RESET)
2183 			return 0;
2184 	}
2185 
2186 	/* Timeout on the reset */
2187 	return GMACSL_RET_WARN_RESET_INCOMPLETE;
2188 }
2189 
2190 /* Configure EMAC */
2191 static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
2192 			    int max_rx_len)
2193 {
2194 	void __iomem *rx_maxlen_reg;
2195 	u32 xgmii_mode;
2196 
2197 	if (max_rx_len > NETCP_MAX_FRAME_SIZE)
2198 		max_rx_len = NETCP_MAX_FRAME_SIZE;
2199 
2200 	/* Enable correct MII mode at SS level */
2201 	if ((gbe_dev->ss_version == XGBE_SS_VERSION_10) &&
2202 	    (slave->link_interface >= XGMII_LINK_MAC_PHY)) {
2203 		xgmii_mode = readl(GBE_REG_ADDR(gbe_dev, ss_regs, control));
2204 		xgmii_mode |= (1 << slave->slave_num);
2205 		writel(xgmii_mode, GBE_REG_ADDR(gbe_dev, ss_regs, control));
2206 	}
2207 
2208 	if (IS_SS_ID_MU(gbe_dev))
2209 		rx_maxlen_reg = GBE_REG_ADDR(slave, port_regs, rx_maxlen);
2210 	else
2211 		rx_maxlen_reg = GBE_REG_ADDR(slave, emac_regs, rx_maxlen);
2212 
2213 	writel(max_rx_len, rx_maxlen_reg);
2214 	writel(slave->mac_control, GBE_REG_ADDR(slave, emac_regs, mac_control));
2215 }
2216 
2217 static void gbe_sgmii_rtreset(struct gbe_priv *priv,
2218 			      struct gbe_slave *slave, bool set)
2219 {
2220 	if (SLAVE_LINK_IS_XGMII(slave))
2221 		return;
2222 
2223 	netcp_sgmii_rtreset(SGMII_BASE(priv, slave->slave_num),
2224 			    slave->slave_num, set);
2225 }
2226 
2227 static void gbe_slave_stop(struct gbe_intf *intf)
2228 {
2229 	struct gbe_priv *gbe_dev = intf->gbe_dev;
2230 	struct gbe_slave *slave = intf->slave;
2231 
2232 	gbe_sgmii_rtreset(gbe_dev, slave, true);
2233 	gbe_port_reset(slave);
2234 	/* Disable forwarding */
2235 	cpsw_ale_control_set(gbe_dev->ale, slave->port_num,
2236 			     ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);
2237 	cpsw_ale_del_mcast(gbe_dev->ale, intf->ndev->broadcast,
2238 			   1 << slave->port_num, 0, 0);
2239 
2240 	if (!slave->phy)
2241 		return;
2242 
2243 	phy_stop(slave->phy);
2244 	phy_disconnect(slave->phy);
2245 	slave->phy = NULL;
2246 }
2247 
2248 static void gbe_sgmii_config(struct gbe_priv *priv, struct gbe_slave *slave)
2249 {
2250 	if (SLAVE_LINK_IS_XGMII(slave))
2251 		return;
2252 
2253 	netcp_sgmii_reset(SGMII_BASE(priv, slave->slave_num), slave->slave_num);
2254 	netcp_sgmii_config(SGMII_BASE(priv, slave->slave_num), slave->slave_num,
2255 			   slave->link_interface);
2256 }
2257 
2258 static int gbe_slave_open(struct gbe_intf *gbe_intf)
2259 {
2260 	struct gbe_priv *priv = gbe_intf->gbe_dev;
2261 	struct gbe_slave *slave = gbe_intf->slave;
2262 	phy_interface_t phy_mode;
2263 	bool has_phy = false;
2264 
2265 	void (*hndlr)(struct net_device *) = gbe_adjust_link;
2266 
2267 	gbe_sgmii_config(priv, slave);
2268 	gbe_port_reset(slave);
2269 	gbe_sgmii_rtreset(priv, slave, false);
2270 	gbe_port_config(priv, slave, priv->rx_packet_max);
2271 	gbe_set_slave_mac(slave, gbe_intf);
2272 	/* enable forwarding */
2273 	cpsw_ale_control_set(priv->ale, slave->port_num,
2274 			     ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);
2275 	cpsw_ale_add_mcast(priv->ale, gbe_intf->ndev->broadcast,
2276 			   1 << slave->port_num, 0, 0, ALE_MCAST_FWD_2);
2277 
2278 	if (slave->link_interface == SGMII_LINK_MAC_PHY) {
2279 		has_phy = true;
2280 		phy_mode = PHY_INTERFACE_MODE_SGMII;
2281 		slave->phy_port_t = PORT_MII;
2282 	} else if (slave->link_interface == XGMII_LINK_MAC_PHY) {
2283 		has_phy = true;
2284 		phy_mode = PHY_INTERFACE_MODE_NA;
2285 		slave->phy_port_t = PORT_FIBRE;
2286 	}
2287 
2288 	if (has_phy) {
2289 		if (priv->ss_version == XGBE_SS_VERSION_10)
2290 			hndlr = xgbe_adjust_link;
2291 
2292 		slave->phy = of_phy_connect(gbe_intf->ndev,
2293 					    slave->phy_node,
2294 					    hndlr, 0,
2295 					    phy_mode);
2296 		if (!slave->phy) {
2297 			dev_err(priv->dev, "phy not found on slave %d\n",
2298 				slave->slave_num);
2299 			return -ENODEV;
2300 		}
2301 		dev_dbg(priv->dev, "phy found: id is: 0x%s\n",
2302 			phydev_name(slave->phy));
2303 		phy_start(slave->phy);
2304 		phy_read_status(slave->phy);
2305 	}
2306 	return 0;
2307 }
2308 
2309 static void gbe_init_host_port(struct gbe_priv *priv)
2310 {
2311 	int bypass_en = 1;
2312 
2313 	/* Host Tx Pri */
2314 	if (IS_SS_ID_NU(priv))
2315 		writel(HOST_TX_PRI_MAP_DEFAULT,
2316 		       GBE_REG_ADDR(priv, host_port_regs, tx_pri_map));
2317 
2318 	/* Max length register */
2319 	writel(NETCP_MAX_FRAME_SIZE, GBE_REG_ADDR(priv, host_port_regs,
2320 						  rx_maxlen));
2321 
2322 	cpsw_ale_start(priv->ale);
2323 
2324 	if (priv->enable_ale)
2325 		bypass_en = 0;
2326 
2327 	cpsw_ale_control_set(priv->ale, 0, ALE_BYPASS, bypass_en);
2328 
2329 	cpsw_ale_control_set(priv->ale, 0, ALE_NO_PORT_VLAN, 1);
2330 
2331 	cpsw_ale_control_set(priv->ale, priv->host_port,
2332 			     ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);
2333 
2334 	cpsw_ale_control_set(priv->ale, 0,
2335 			     ALE_PORT_UNKNOWN_VLAN_MEMBER,
2336 			     GBE_PORT_MASK(priv->ale_ports));
2337 
2338 	cpsw_ale_control_set(priv->ale, 0,
2339 			     ALE_PORT_UNKNOWN_MCAST_FLOOD,
2340 			     GBE_PORT_MASK(priv->ale_ports - 1));
2341 
2342 	cpsw_ale_control_set(priv->ale, 0,
2343 			     ALE_PORT_UNKNOWN_REG_MCAST_FLOOD,
2344 			     GBE_PORT_MASK(priv->ale_ports));
2345 
2346 	cpsw_ale_control_set(priv->ale, 0,
2347 			     ALE_PORT_UNTAGGED_EGRESS,
2348 			     GBE_PORT_MASK(priv->ale_ports));
2349 }
2350 
2351 static void gbe_add_mcast_addr(struct gbe_intf *gbe_intf, u8 *addr)
2352 {
2353 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2354 	u16 vlan_id;
2355 
2356 	cpsw_ale_add_mcast(gbe_dev->ale, addr,
2357 			   GBE_PORT_MASK(gbe_dev->ale_ports), 0, 0,
2358 			   ALE_MCAST_FWD_2);
2359 	for_each_set_bit(vlan_id, gbe_intf->active_vlans, VLAN_N_VID) {
2360 		cpsw_ale_add_mcast(gbe_dev->ale, addr,
2361 				   GBE_PORT_MASK(gbe_dev->ale_ports),
2362 				   ALE_VLAN, vlan_id, ALE_MCAST_FWD_2);
2363 	}
2364 }
2365 
2366 static void gbe_add_ucast_addr(struct gbe_intf *gbe_intf, u8 *addr)
2367 {
2368 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2369 	u16 vlan_id;
2370 
2371 	cpsw_ale_add_ucast(gbe_dev->ale, addr, gbe_dev->host_port, 0, 0);
2372 
2373 	for_each_set_bit(vlan_id, gbe_intf->active_vlans, VLAN_N_VID)
2374 		cpsw_ale_add_ucast(gbe_dev->ale, addr, gbe_dev->host_port,
2375 				   ALE_VLAN, vlan_id);
2376 }
2377 
2378 static void gbe_del_mcast_addr(struct gbe_intf *gbe_intf, u8 *addr)
2379 {
2380 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2381 	u16 vlan_id;
2382 
2383 	cpsw_ale_del_mcast(gbe_dev->ale, addr, 0, 0, 0);
2384 
2385 	for_each_set_bit(vlan_id, gbe_intf->active_vlans, VLAN_N_VID) {
2386 		cpsw_ale_del_mcast(gbe_dev->ale, addr, 0, ALE_VLAN, vlan_id);
2387 	}
2388 }
2389 
2390 static void gbe_del_ucast_addr(struct gbe_intf *gbe_intf, u8 *addr)
2391 {
2392 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2393 	u16 vlan_id;
2394 
2395 	cpsw_ale_del_ucast(gbe_dev->ale, addr, gbe_dev->host_port, 0, 0);
2396 
2397 	for_each_set_bit(vlan_id, gbe_intf->active_vlans, VLAN_N_VID) {
2398 		cpsw_ale_del_ucast(gbe_dev->ale, addr, gbe_dev->host_port,
2399 				   ALE_VLAN, vlan_id);
2400 	}
2401 }
2402 
2403 static int gbe_add_addr(void *intf_priv, struct netcp_addr *naddr)
2404 {
2405 	struct gbe_intf *gbe_intf = intf_priv;
2406 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2407 
2408 	dev_dbg(gbe_dev->dev, "ethss adding address %pM, type %d\n",
2409 		naddr->addr, naddr->type);
2410 
2411 	switch (naddr->type) {
2412 	case ADDR_MCAST:
2413 	case ADDR_BCAST:
2414 		gbe_add_mcast_addr(gbe_intf, naddr->addr);
2415 		break;
2416 	case ADDR_UCAST:
2417 	case ADDR_DEV:
2418 		gbe_add_ucast_addr(gbe_intf, naddr->addr);
2419 		break;
2420 	case ADDR_ANY:
2421 		/* nothing to do for promiscuous */
2422 	default:
2423 		break;
2424 	}
2425 
2426 	return 0;
2427 }
2428 
2429 static int gbe_del_addr(void *intf_priv, struct netcp_addr *naddr)
2430 {
2431 	struct gbe_intf *gbe_intf = intf_priv;
2432 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2433 
2434 	dev_dbg(gbe_dev->dev, "ethss deleting address %pM, type %d\n",
2435 		naddr->addr, naddr->type);
2436 
2437 	switch (naddr->type) {
2438 	case ADDR_MCAST:
2439 	case ADDR_BCAST:
2440 		gbe_del_mcast_addr(gbe_intf, naddr->addr);
2441 		break;
2442 	case ADDR_UCAST:
2443 	case ADDR_DEV:
2444 		gbe_del_ucast_addr(gbe_intf, naddr->addr);
2445 		break;
2446 	case ADDR_ANY:
2447 		/* nothing to do for promiscuous */
2448 	default:
2449 		break;
2450 	}
2451 
2452 	return 0;
2453 }
2454 
2455 static int gbe_add_vid(void *intf_priv, int vid)
2456 {
2457 	struct gbe_intf *gbe_intf = intf_priv;
2458 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2459 
2460 	set_bit(vid, gbe_intf->active_vlans);
2461 
2462 	cpsw_ale_add_vlan(gbe_dev->ale, vid,
2463 			  GBE_PORT_MASK(gbe_dev->ale_ports),
2464 			  GBE_MASK_NO_PORTS,
2465 			  GBE_PORT_MASK(gbe_dev->ale_ports),
2466 			  GBE_PORT_MASK(gbe_dev->ale_ports - 1));
2467 
2468 	return 0;
2469 }
2470 
2471 static int gbe_del_vid(void *intf_priv, int vid)
2472 {
2473 	struct gbe_intf *gbe_intf = intf_priv;
2474 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2475 
2476 	cpsw_ale_del_vlan(gbe_dev->ale, vid, 0);
2477 	clear_bit(vid, gbe_intf->active_vlans);
2478 	return 0;
2479 }
2480 
2481 #if IS_ENABLED(CONFIG_TI_CPTS)
2482 #define HAS_PHY_TXTSTAMP(p) ((p)->drv && (p)->drv->txtstamp)
2483 #define HAS_PHY_RXTSTAMP(p) ((p)->drv && (p)->drv->rxtstamp)
2484 
2485 static void gbe_txtstamp(void *context, struct sk_buff *skb)
2486 {
2487 	struct gbe_intf *gbe_intf = context;
2488 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2489 
2490 	cpts_tx_timestamp(gbe_dev->cpts, skb);
2491 }
2492 
2493 static bool gbe_need_txtstamp(struct gbe_intf *gbe_intf,
2494 			      const struct netcp_packet *p_info)
2495 {
2496 	struct sk_buff *skb = p_info->skb;
2497 	unsigned int class = ptp_classify_raw(skb);
2498 
2499 	if (class == PTP_CLASS_NONE)
2500 		return false;
2501 
2502 	switch (class) {
2503 	case PTP_CLASS_V1_IPV4:
2504 	case PTP_CLASS_V1_IPV6:
2505 	case PTP_CLASS_V2_IPV4:
2506 	case PTP_CLASS_V2_IPV6:
2507 	case PTP_CLASS_V2_L2:
2508 	case (PTP_CLASS_V2_VLAN | PTP_CLASS_L2):
2509 	case (PTP_CLASS_V2_VLAN | PTP_CLASS_IPV4):
2510 	case (PTP_CLASS_V2_VLAN | PTP_CLASS_IPV6):
2511 		return true;
2512 	}
2513 
2514 	return false;
2515 }
2516 
2517 static int gbe_txtstamp_mark_pkt(struct gbe_intf *gbe_intf,
2518 				 struct netcp_packet *p_info)
2519 {
2520 	struct phy_device *phydev = p_info->skb->dev->phydev;
2521 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2522 
2523 	if (!(skb_shinfo(p_info->skb)->tx_flags & SKBTX_HW_TSTAMP) ||
2524 	    !cpts_is_tx_enabled(gbe_dev->cpts))
2525 		return 0;
2526 
2527 	/* If phy has the txtstamp api, assume it will do it.
2528 	 * We mark it here because skb_tx_timestamp() is called
2529 	 * after all the txhooks are called.
2530 	 */
2531 	if (phydev && HAS_PHY_TXTSTAMP(phydev)) {
2532 		skb_shinfo(p_info->skb)->tx_flags |= SKBTX_IN_PROGRESS;
2533 		return 0;
2534 	}
2535 
2536 	if (gbe_need_txtstamp(gbe_intf, p_info)) {
2537 		p_info->txtstamp = gbe_txtstamp;
2538 		p_info->ts_context = (void *)gbe_intf;
2539 		skb_shinfo(p_info->skb)->tx_flags |= SKBTX_IN_PROGRESS;
2540 	}
2541 
2542 	return 0;
2543 }
2544 
2545 static int gbe_rxtstamp(struct gbe_intf *gbe_intf, struct netcp_packet *p_info)
2546 {
2547 	struct phy_device *phydev = p_info->skb->dev->phydev;
2548 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2549 
2550 	if (p_info->rxtstamp_complete)
2551 		return 0;
2552 
2553 	if (phydev && HAS_PHY_RXTSTAMP(phydev)) {
2554 		p_info->rxtstamp_complete = true;
2555 		return 0;
2556 	}
2557 
2558 	cpts_rx_timestamp(gbe_dev->cpts, p_info->skb);
2559 	p_info->rxtstamp_complete = true;
2560 
2561 	return 0;
2562 }
2563 
2564 static int gbe_hwtstamp_get(struct gbe_intf *gbe_intf, struct ifreq *ifr)
2565 {
2566 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2567 	struct cpts *cpts = gbe_dev->cpts;
2568 	struct hwtstamp_config cfg;
2569 
2570 	if (!cpts)
2571 		return -EOPNOTSUPP;
2572 
2573 	cfg.flags = 0;
2574 	cfg.tx_type = cpts_is_tx_enabled(cpts) ?
2575 		      HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
2576 	cfg.rx_filter = (cpts_is_rx_enabled(cpts) ?
2577 			 cpts->rx_enable : HWTSTAMP_FILTER_NONE);
2578 
2579 	return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
2580 }
2581 
2582 static void gbe_hwtstamp(struct gbe_intf *gbe_intf)
2583 {
2584 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2585 	struct gbe_slave *slave = gbe_intf->slave;
2586 	u32 ts_en, seq_id, ctl;
2587 
2588 	if (!cpts_is_rx_enabled(gbe_dev->cpts) &&
2589 	    !cpts_is_tx_enabled(gbe_dev->cpts)) {
2590 		writel(0, GBE_REG_ADDR(slave, port_regs, ts_ctl));
2591 		return;
2592 	}
2593 
2594 	seq_id = (30 << TS_SEQ_ID_OFS_SHIFT) | ETH_P_1588;
2595 	ts_en = EVENT_MSG_BITS << TS_MSG_TYPE_EN_SHIFT;
2596 	ctl = ETH_P_1588 | TS_TTL_NONZERO |
2597 		(slave->ts_ctl.dst_port_map << TS_CTL_DST_PORT_SHIFT) |
2598 		(slave->ts_ctl.uni ?  TS_UNI_EN :
2599 			slave->ts_ctl.maddr_map << TS_CTL_MADDR_SHIFT);
2600 
2601 	if (cpts_is_tx_enabled(gbe_dev->cpts))
2602 		ts_en |= (TS_TX_ANX_ALL_EN | TS_TX_VLAN_LT1_EN);
2603 
2604 	if (cpts_is_rx_enabled(gbe_dev->cpts))
2605 		ts_en |= (TS_RX_ANX_ALL_EN | TS_RX_VLAN_LT1_EN);
2606 
2607 	writel(ts_en,  GBE_REG_ADDR(slave, port_regs, ts_ctl));
2608 	writel(seq_id, GBE_REG_ADDR(slave, port_regs, ts_seq_ltype));
2609 	writel(ctl,    GBE_REG_ADDR(slave, port_regs, ts_ctl_ltype2));
2610 }
2611 
2612 static int gbe_hwtstamp_set(struct gbe_intf *gbe_intf, struct ifreq *ifr)
2613 {
2614 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2615 	struct cpts *cpts = gbe_dev->cpts;
2616 	struct hwtstamp_config cfg;
2617 
2618 	if (!cpts)
2619 		return -EOPNOTSUPP;
2620 
2621 	if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
2622 		return -EFAULT;
2623 
2624 	/* reserved for future extensions */
2625 	if (cfg.flags)
2626 		return -EINVAL;
2627 
2628 	switch (cfg.tx_type) {
2629 	case HWTSTAMP_TX_OFF:
2630 		cpts_tx_enable(cpts, 0);
2631 		break;
2632 	case HWTSTAMP_TX_ON:
2633 		cpts_tx_enable(cpts, 1);
2634 		break;
2635 	default:
2636 		return -ERANGE;
2637 	}
2638 
2639 	switch (cfg.rx_filter) {
2640 	case HWTSTAMP_FILTER_NONE:
2641 		cpts_rx_enable(cpts, 0);
2642 		break;
2643 	case HWTSTAMP_FILTER_ALL:
2644 	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
2645 	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
2646 	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
2647 		cpts_rx_enable(cpts, HWTSTAMP_FILTER_PTP_V1_L4_EVENT);
2648 		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
2649 		break;
2650 	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
2651 	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
2652 	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
2653 	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
2654 	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
2655 	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
2656 	case HWTSTAMP_FILTER_PTP_V2_EVENT:
2657 	case HWTSTAMP_FILTER_PTP_V2_SYNC:
2658 	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
2659 		cpts_rx_enable(cpts, HWTSTAMP_FILTER_PTP_V2_EVENT);
2660 		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
2661 		break;
2662 	default:
2663 		return -ERANGE;
2664 	}
2665 
2666 	gbe_hwtstamp(gbe_intf);
2667 
2668 	return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
2669 }
2670 
2671 static void gbe_register_cpts(struct gbe_priv *gbe_dev)
2672 {
2673 	if (!gbe_dev->cpts)
2674 		return;
2675 
2676 	if (gbe_dev->cpts_registered > 0)
2677 		goto done;
2678 
2679 	if (cpts_register(gbe_dev->cpts)) {
2680 		dev_err(gbe_dev->dev, "error registering cpts device\n");
2681 		return;
2682 	}
2683 
2684 done:
2685 	++gbe_dev->cpts_registered;
2686 }
2687 
2688 static void gbe_unregister_cpts(struct gbe_priv *gbe_dev)
2689 {
2690 	if (!gbe_dev->cpts || (gbe_dev->cpts_registered <= 0))
2691 		return;
2692 
2693 	if (--gbe_dev->cpts_registered)
2694 		return;
2695 
2696 	cpts_unregister(gbe_dev->cpts);
2697 }
2698 #else
2699 static inline int gbe_txtstamp_mark_pkt(struct gbe_intf *gbe_intf,
2700 					struct netcp_packet *p_info)
2701 {
2702 	return 0;
2703 }
2704 
2705 static inline int gbe_rxtstamp(struct gbe_intf *gbe_intf,
2706 			       struct netcp_packet *p_info)
2707 {
2708 	return 0;
2709 }
2710 
2711 static inline int gbe_hwtstamp(struct gbe_intf *gbe_intf,
2712 			       struct ifreq *ifr, int cmd)
2713 {
2714 	return -EOPNOTSUPP;
2715 }
2716 
2717 static inline void gbe_register_cpts(struct gbe_priv *gbe_dev)
2718 {
2719 }
2720 
2721 static inline void gbe_unregister_cpts(struct gbe_priv *gbe_dev)
2722 {
2723 }
2724 
2725 static inline int gbe_hwtstamp_get(struct gbe_intf *gbe_intf, struct ifreq *req)
2726 {
2727 	return -EOPNOTSUPP;
2728 }
2729 
2730 static inline int gbe_hwtstamp_set(struct gbe_intf *gbe_intf, struct ifreq *req)
2731 {
2732 	return -EOPNOTSUPP;
2733 }
2734 #endif /* CONFIG_TI_CPTS */
2735 
2736 static int gbe_ioctl(void *intf_priv, struct ifreq *req, int cmd)
2737 {
2738 	struct gbe_intf *gbe_intf = intf_priv;
2739 	struct phy_device *phy = gbe_intf->slave->phy;
2740 
2741 	if (!phy || !phy->drv->hwtstamp) {
2742 		switch (cmd) {
2743 		case SIOCGHWTSTAMP:
2744 			return gbe_hwtstamp_get(gbe_intf, req);
2745 		case SIOCSHWTSTAMP:
2746 			return gbe_hwtstamp_set(gbe_intf, req);
2747 		}
2748 	}
2749 
2750 	if (phy)
2751 		return phy_mii_ioctl(phy, req, cmd);
2752 
2753 	return -EOPNOTSUPP;
2754 }
2755 
2756 static void netcp_ethss_timer(unsigned long arg)
2757 {
2758 	struct gbe_priv *gbe_dev = (struct gbe_priv *)arg;
2759 	struct gbe_intf *gbe_intf;
2760 	struct gbe_slave *slave;
2761 
2762 	/* Check & update SGMII link state of interfaces */
2763 	for_each_intf(gbe_intf, gbe_dev) {
2764 		if (!gbe_intf->slave->open)
2765 			continue;
2766 		netcp_ethss_update_link_state(gbe_dev, gbe_intf->slave,
2767 					      gbe_intf->ndev);
2768 	}
2769 
2770 	/* Check & update SGMII link state of secondary ports */
2771 	for_each_sec_slave(slave, gbe_dev) {
2772 		netcp_ethss_update_link_state(gbe_dev, slave, NULL);
2773 	}
2774 
2775 	/* A timer runs as a BH, no need to block them */
2776 	spin_lock(&gbe_dev->hw_stats_lock);
2777 
2778 	if (gbe_dev->ss_version == GBE_SS_VERSION_14)
2779 		gbe_update_stats_ver14(gbe_dev, NULL);
2780 	else
2781 		gbe_update_stats(gbe_dev, NULL);
2782 
2783 	spin_unlock(&gbe_dev->hw_stats_lock);
2784 
2785 	gbe_dev->timer.expires	= jiffies + GBE_TIMER_INTERVAL;
2786 	add_timer(&gbe_dev->timer);
2787 }
2788 
2789 static int gbe_txhook(int order, void *data, struct netcp_packet *p_info)
2790 {
2791 	struct gbe_intf *gbe_intf = data;
2792 
2793 	p_info->tx_pipe = &gbe_intf->tx_pipe;
2794 
2795 	return gbe_txtstamp_mark_pkt(gbe_intf, p_info);
2796 }
2797 
2798 static int gbe_rxhook(int order, void *data, struct netcp_packet *p_info)
2799 {
2800 	struct gbe_intf *gbe_intf = data;
2801 
2802 	return gbe_rxtstamp(gbe_intf, p_info);
2803 }
2804 
2805 static int gbe_open(void *intf_priv, struct net_device *ndev)
2806 {
2807 	struct gbe_intf *gbe_intf = intf_priv;
2808 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2809 	struct netcp_intf *netcp = netdev_priv(ndev);
2810 	struct gbe_slave *slave = gbe_intf->slave;
2811 	int port_num = slave->port_num;
2812 	u32 reg;
2813 	int ret;
2814 
2815 	reg = readl(GBE_REG_ADDR(gbe_dev, switch_regs, id_ver));
2816 	dev_dbg(gbe_dev->dev, "initializing gbe version %d.%d (%d) GBE identification value 0x%x\n",
2817 		GBE_MAJOR_VERSION(reg), GBE_MINOR_VERSION(reg),
2818 		GBE_RTL_VERSION(reg), GBE_IDENT(reg));
2819 
2820 	/* For 10G and on NetCP 1.5, use directed to port */
2821 	if ((gbe_dev->ss_version == XGBE_SS_VERSION_10) || IS_SS_ID_MU(gbe_dev))
2822 		gbe_intf->tx_pipe.flags = SWITCH_TO_PORT_IN_TAGINFO;
2823 
2824 	if (gbe_dev->enable_ale)
2825 		gbe_intf->tx_pipe.switch_to_port = 0;
2826 	else
2827 		gbe_intf->tx_pipe.switch_to_port = port_num;
2828 
2829 	dev_dbg(gbe_dev->dev,
2830 		"opened TX channel %s: %p with to port %d, flags %d\n",
2831 		gbe_intf->tx_pipe.dma_chan_name,
2832 		gbe_intf->tx_pipe.dma_channel,
2833 		gbe_intf->tx_pipe.switch_to_port,
2834 		gbe_intf->tx_pipe.flags);
2835 
2836 	gbe_slave_stop(gbe_intf);
2837 
2838 	/* disable priority elevation and enable statistics on all ports */
2839 	writel(0, GBE_REG_ADDR(gbe_dev, switch_regs, ptype));
2840 
2841 	/* Control register */
2842 	writel(GBE_CTL_P0_ENABLE, GBE_REG_ADDR(gbe_dev, switch_regs, control));
2843 
2844 	/* All statistics enabled and STAT AB visible by default */
2845 	writel(gbe_dev->stats_en_mask, GBE_REG_ADDR(gbe_dev, switch_regs,
2846 						    stat_port_en));
2847 
2848 	ret = gbe_slave_open(gbe_intf);
2849 	if (ret)
2850 		goto fail;
2851 
2852 	netcp_register_txhook(netcp, GBE_TXHOOK_ORDER, gbe_txhook, gbe_intf);
2853 	netcp_register_rxhook(netcp, GBE_RXHOOK_ORDER, gbe_rxhook, gbe_intf);
2854 
2855 	slave->open = true;
2856 	netcp_ethss_update_link_state(gbe_dev, slave, ndev);
2857 
2858 	gbe_register_cpts(gbe_dev);
2859 
2860 	return 0;
2861 
2862 fail:
2863 	gbe_slave_stop(gbe_intf);
2864 	return ret;
2865 }
2866 
2867 static int gbe_close(void *intf_priv, struct net_device *ndev)
2868 {
2869 	struct gbe_intf *gbe_intf = intf_priv;
2870 	struct netcp_intf *netcp = netdev_priv(ndev);
2871 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2872 
2873 	gbe_unregister_cpts(gbe_dev);
2874 
2875 	gbe_slave_stop(gbe_intf);
2876 
2877 	netcp_unregister_rxhook(netcp, GBE_RXHOOK_ORDER, gbe_rxhook, gbe_intf);
2878 	netcp_unregister_txhook(netcp, GBE_TXHOOK_ORDER, gbe_txhook, gbe_intf);
2879 
2880 	gbe_intf->slave->open = false;
2881 	atomic_set(&gbe_intf->slave->link_state, NETCP_LINK_STATE_INVALID);
2882 	return 0;
2883 }
2884 
2885 #if IS_ENABLED(CONFIG_TI_CPTS)
2886 static void init_slave_ts_ctl(struct gbe_slave *slave)
2887 {
2888 	slave->ts_ctl.uni = 1;
2889 	slave->ts_ctl.dst_port_map =
2890 		(TS_CTL_DST_PORT >> TS_CTL_DST_PORT_SHIFT) & 0x3;
2891 	slave->ts_ctl.maddr_map =
2892 		(TS_CTL_MADDR_ALL >> TS_CTL_MADDR_SHIFT) & 0x1f;
2893 }
2894 
2895 #else
2896 static void init_slave_ts_ctl(struct gbe_slave *slave)
2897 {
2898 }
2899 #endif /* CONFIG_TI_CPTS */
2900 
2901 static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
2902 		      struct device_node *node)
2903 {
2904 	int port_reg_num;
2905 	u32 port_reg_ofs, emac_reg_ofs;
2906 	u32 port_reg_blk_sz, emac_reg_blk_sz;
2907 
2908 	if (of_property_read_u32(node, "slave-port", &slave->slave_num)) {
2909 		dev_err(gbe_dev->dev, "missing slave-port parameter\n");
2910 		return -EINVAL;
2911 	}
2912 
2913 	if (of_property_read_u32(node, "link-interface",
2914 				 &slave->link_interface)) {
2915 		dev_warn(gbe_dev->dev,
2916 			 "missing link-interface value defaulting to 1G mac-phy link\n");
2917 		slave->link_interface = SGMII_LINK_MAC_PHY;
2918 	}
2919 
2920 	slave->open = false;
2921 	slave->phy_node = of_parse_phandle(node, "phy-handle", 0);
2922 	slave->port_num = gbe_get_slave_port(gbe_dev, slave->slave_num);
2923 
2924 	if (slave->link_interface >= XGMII_LINK_MAC_PHY)
2925 		slave->mac_control = GBE_DEF_10G_MAC_CONTROL;
2926 	else
2927 		slave->mac_control = GBE_DEF_1G_MAC_CONTROL;
2928 
2929 	/* Emac regs memmap are contiguous but port regs are not */
2930 	port_reg_num = slave->slave_num;
2931 	if (gbe_dev->ss_version == GBE_SS_VERSION_14) {
2932 		if (slave->slave_num > 1) {
2933 			port_reg_ofs = GBE13_SLAVE_PORT2_OFFSET;
2934 			port_reg_num -= 2;
2935 		} else {
2936 			port_reg_ofs = GBE13_SLAVE_PORT_OFFSET;
2937 		}
2938 		emac_reg_ofs = GBE13_EMAC_OFFSET;
2939 		port_reg_blk_sz = 0x30;
2940 		emac_reg_blk_sz = 0x40;
2941 	} else if (IS_SS_ID_MU(gbe_dev)) {
2942 		port_reg_ofs = GBENU_SLAVE_PORT_OFFSET;
2943 		emac_reg_ofs = GBENU_EMAC_OFFSET;
2944 		port_reg_blk_sz = 0x1000;
2945 		emac_reg_blk_sz = 0x1000;
2946 	} else if (gbe_dev->ss_version == XGBE_SS_VERSION_10) {
2947 		port_reg_ofs = XGBE10_SLAVE_PORT_OFFSET;
2948 		emac_reg_ofs = XGBE10_EMAC_OFFSET;
2949 		port_reg_blk_sz = 0x30;
2950 		emac_reg_blk_sz = 0x40;
2951 	} else {
2952 		dev_err(gbe_dev->dev, "unknown ethss(0x%x)\n",
2953 			gbe_dev->ss_version);
2954 		return -EINVAL;
2955 	}
2956 
2957 	slave->port_regs = gbe_dev->switch_regs + port_reg_ofs +
2958 				(port_reg_blk_sz * port_reg_num);
2959 	slave->emac_regs = gbe_dev->switch_regs + emac_reg_ofs +
2960 				(emac_reg_blk_sz * slave->slave_num);
2961 
2962 	if (gbe_dev->ss_version == GBE_SS_VERSION_14) {
2963 		/* Initialize  slave port register offsets */
2964 		GBE_SET_REG_OFS(slave, port_regs, port_vlan);
2965 		GBE_SET_REG_OFS(slave, port_regs, tx_pri_map);
2966 		GBE_SET_REG_OFS(slave, port_regs, sa_lo);
2967 		GBE_SET_REG_OFS(slave, port_regs, sa_hi);
2968 		GBE_SET_REG_OFS(slave, port_regs, ts_ctl);
2969 		GBE_SET_REG_OFS(slave, port_regs, ts_seq_ltype);
2970 		GBE_SET_REG_OFS(slave, port_regs, ts_vlan);
2971 		GBE_SET_REG_OFS(slave, port_regs, ts_ctl_ltype2);
2972 		GBE_SET_REG_OFS(slave, port_regs, ts_ctl2);
2973 
2974 		/* Initialize EMAC register offsets */
2975 		GBE_SET_REG_OFS(slave, emac_regs, mac_control);
2976 		GBE_SET_REG_OFS(slave, emac_regs, soft_reset);
2977 		GBE_SET_REG_OFS(slave, emac_regs, rx_maxlen);
2978 
2979 	} else if (IS_SS_ID_MU(gbe_dev)) {
2980 		/* Initialize  slave port register offsets */
2981 		GBENU_SET_REG_OFS(slave, port_regs, port_vlan);
2982 		GBENU_SET_REG_OFS(slave, port_regs, tx_pri_map);
2983 		GBENU_SET_REG_OFS(slave, port_regs, sa_lo);
2984 		GBENU_SET_REG_OFS(slave, port_regs, sa_hi);
2985 		GBENU_SET_REG_OFS(slave, port_regs, ts_ctl);
2986 		GBENU_SET_REG_OFS(slave, port_regs, ts_seq_ltype);
2987 		GBENU_SET_REG_OFS(slave, port_regs, ts_vlan);
2988 		GBENU_SET_REG_OFS(slave, port_regs, ts_ctl_ltype2);
2989 		GBENU_SET_REG_OFS(slave, port_regs, ts_ctl2);
2990 		GBENU_SET_REG_OFS(slave, port_regs, rx_maxlen);
2991 
2992 		/* Initialize EMAC register offsets */
2993 		GBENU_SET_REG_OFS(slave, emac_regs, mac_control);
2994 		GBENU_SET_REG_OFS(slave, emac_regs, soft_reset);
2995 
2996 	} else if (gbe_dev->ss_version == XGBE_SS_VERSION_10) {
2997 		/* Initialize  slave port register offsets */
2998 		XGBE_SET_REG_OFS(slave, port_regs, port_vlan);
2999 		XGBE_SET_REG_OFS(slave, port_regs, tx_pri_map);
3000 		XGBE_SET_REG_OFS(slave, port_regs, sa_lo);
3001 		XGBE_SET_REG_OFS(slave, port_regs, sa_hi);
3002 		XGBE_SET_REG_OFS(slave, port_regs, ts_ctl);
3003 		XGBE_SET_REG_OFS(slave, port_regs, ts_seq_ltype);
3004 		XGBE_SET_REG_OFS(slave, port_regs, ts_vlan);
3005 		XGBE_SET_REG_OFS(slave, port_regs, ts_ctl_ltype2);
3006 		XGBE_SET_REG_OFS(slave, port_regs, ts_ctl2);
3007 
3008 		/* Initialize EMAC register offsets */
3009 		XGBE_SET_REG_OFS(slave, emac_regs, mac_control);
3010 		XGBE_SET_REG_OFS(slave, emac_regs, soft_reset);
3011 		XGBE_SET_REG_OFS(slave, emac_regs, rx_maxlen);
3012 	}
3013 
3014 	atomic_set(&slave->link_state, NETCP_LINK_STATE_INVALID);
3015 
3016 	init_slave_ts_ctl(slave);
3017 	return 0;
3018 }
3019 
3020 static void init_secondary_ports(struct gbe_priv *gbe_dev,
3021 				 struct device_node *node)
3022 {
3023 	struct device *dev = gbe_dev->dev;
3024 	phy_interface_t phy_mode;
3025 	struct gbe_priv **priv;
3026 	struct device_node *port;
3027 	struct gbe_slave *slave;
3028 	bool mac_phy_link = false;
3029 
3030 	for_each_child_of_node(node, port) {
3031 		slave = devm_kzalloc(dev, sizeof(*slave), GFP_KERNEL);
3032 		if (!slave) {
3033 			dev_err(dev,
3034 				"memomry alloc failed for secondary port(%s), skipping...\n",
3035 				port->name);
3036 			continue;
3037 		}
3038 
3039 		if (init_slave(gbe_dev, slave, port)) {
3040 			dev_err(dev,
3041 				"Failed to initialize secondary port(%s), skipping...\n",
3042 				port->name);
3043 			devm_kfree(dev, slave);
3044 			continue;
3045 		}
3046 
3047 		gbe_sgmii_config(gbe_dev, slave);
3048 		gbe_port_reset(slave);
3049 		gbe_port_config(gbe_dev, slave, gbe_dev->rx_packet_max);
3050 		list_add_tail(&slave->slave_list, &gbe_dev->secondary_slaves);
3051 		gbe_dev->num_slaves++;
3052 		if ((slave->link_interface == SGMII_LINK_MAC_PHY) ||
3053 		    (slave->link_interface == XGMII_LINK_MAC_PHY))
3054 			mac_phy_link = true;
3055 
3056 		slave->open = true;
3057 		if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) {
3058 			of_node_put(port);
3059 			break;
3060 		}
3061 	}
3062 
3063 	/* of_phy_connect() is needed only for MAC-PHY interface */
3064 	if (!mac_phy_link)
3065 		return;
3066 
3067 	/* Allocate dummy netdev device for attaching to phy device */
3068 	gbe_dev->dummy_ndev = alloc_netdev(sizeof(gbe_dev), "dummy",
3069 					NET_NAME_UNKNOWN, ether_setup);
3070 	if (!gbe_dev->dummy_ndev) {
3071 		dev_err(dev,
3072 			"Failed to allocate dummy netdev for secondary ports, skipping phy_connect()...\n");
3073 		return;
3074 	}
3075 	priv = netdev_priv(gbe_dev->dummy_ndev);
3076 	*priv = gbe_dev;
3077 
3078 	if (slave->link_interface == SGMII_LINK_MAC_PHY) {
3079 		phy_mode = PHY_INTERFACE_MODE_SGMII;
3080 		slave->phy_port_t = PORT_MII;
3081 	} else {
3082 		phy_mode = PHY_INTERFACE_MODE_NA;
3083 		slave->phy_port_t = PORT_FIBRE;
3084 	}
3085 
3086 	for_each_sec_slave(slave, gbe_dev) {
3087 		if ((slave->link_interface != SGMII_LINK_MAC_PHY) &&
3088 		    (slave->link_interface != XGMII_LINK_MAC_PHY))
3089 			continue;
3090 		slave->phy =
3091 			of_phy_connect(gbe_dev->dummy_ndev,
3092 				       slave->phy_node,
3093 				       gbe_adjust_link_sec_slaves,
3094 				       0, phy_mode);
3095 		if (!slave->phy) {
3096 			dev_err(dev, "phy not found for slave %d\n",
3097 				slave->slave_num);
3098 			slave->phy = NULL;
3099 		} else {
3100 			dev_dbg(dev, "phy found: id is: 0x%s\n",
3101 				phydev_name(slave->phy));
3102 			phy_start(slave->phy);
3103 			phy_read_status(slave->phy);
3104 		}
3105 	}
3106 }
3107 
3108 static void free_secondary_ports(struct gbe_priv *gbe_dev)
3109 {
3110 	struct gbe_slave *slave;
3111 
3112 	while (!list_empty(&gbe_dev->secondary_slaves)) {
3113 		slave = first_sec_slave(gbe_dev);
3114 
3115 		if (slave->phy)
3116 			phy_disconnect(slave->phy);
3117 		list_del(&slave->slave_list);
3118 	}
3119 	if (gbe_dev->dummy_ndev)
3120 		free_netdev(gbe_dev->dummy_ndev);
3121 }
3122 
3123 static int set_xgbe_ethss10_priv(struct gbe_priv *gbe_dev,
3124 				 struct device_node *node)
3125 {
3126 	struct resource res;
3127 	void __iomem *regs;
3128 	int ret, i;
3129 
3130 	ret = of_address_to_resource(node, XGBE_SS_REG_INDEX, &res);
3131 	if (ret) {
3132 		dev_err(gbe_dev->dev,
3133 			"Can't xlate xgbe of node(%s) ss address at %d\n",
3134 			node->name, XGBE_SS_REG_INDEX);
3135 		return ret;
3136 	}
3137 
3138 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3139 	if (IS_ERR(regs)) {
3140 		dev_err(gbe_dev->dev, "Failed to map xgbe ss register base\n");
3141 		return PTR_ERR(regs);
3142 	}
3143 	gbe_dev->ss_regs = regs;
3144 
3145 	ret = of_address_to_resource(node, XGBE_SM_REG_INDEX, &res);
3146 	if (ret) {
3147 		dev_err(gbe_dev->dev,
3148 			"Can't xlate xgbe of node(%s) sm address at %d\n",
3149 			node->name, XGBE_SM_REG_INDEX);
3150 		return ret;
3151 	}
3152 
3153 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3154 	if (IS_ERR(regs)) {
3155 		dev_err(gbe_dev->dev, "Failed to map xgbe sm register base\n");
3156 		return PTR_ERR(regs);
3157 	}
3158 	gbe_dev->switch_regs = regs;
3159 
3160 	ret = of_address_to_resource(node, XGBE_SERDES_REG_INDEX, &res);
3161 	if (ret) {
3162 		dev_err(gbe_dev->dev,
3163 			"Can't xlate xgbe serdes of node(%s) address at %d\n",
3164 			node->name, XGBE_SERDES_REG_INDEX);
3165 		return ret;
3166 	}
3167 
3168 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3169 	if (IS_ERR(regs)) {
3170 		dev_err(gbe_dev->dev, "Failed to map xgbe serdes register base\n");
3171 		return PTR_ERR(regs);
3172 	}
3173 	gbe_dev->xgbe_serdes_regs = regs;
3174 
3175 	gbe_dev->num_stats_mods = gbe_dev->max_num_ports;
3176 	gbe_dev->et_stats = xgbe10_et_stats;
3177 	gbe_dev->num_et_stats = ARRAY_SIZE(xgbe10_et_stats);
3178 
3179 	gbe_dev->hw_stats = devm_kzalloc(gbe_dev->dev,
3180 					 gbe_dev->num_et_stats * sizeof(u64),
3181 					 GFP_KERNEL);
3182 	if (!gbe_dev->hw_stats) {
3183 		dev_err(gbe_dev->dev, "hw_stats memory allocation failed\n");
3184 		return -ENOMEM;
3185 	}
3186 
3187 	gbe_dev->hw_stats_prev =
3188 		devm_kzalloc(gbe_dev->dev,
3189 			     gbe_dev->num_et_stats * sizeof(u32),
3190 			     GFP_KERNEL);
3191 	if (!gbe_dev->hw_stats_prev) {
3192 		dev_err(gbe_dev->dev,
3193 			"hw_stats_prev memory allocation failed\n");
3194 		return -ENOMEM;
3195 	}
3196 
3197 	gbe_dev->ss_version = XGBE_SS_VERSION_10;
3198 	gbe_dev->sgmii_port_regs = gbe_dev->ss_regs +
3199 					XGBE10_SGMII_MODULE_OFFSET;
3200 	gbe_dev->host_port_regs = gbe_dev->ss_regs + XGBE10_HOST_PORT_OFFSET;
3201 
3202 	for (i = 0; i < gbe_dev->max_num_ports; i++)
3203 		gbe_dev->hw_stats_regs[i] = gbe_dev->switch_regs +
3204 			XGBE10_HW_STATS_OFFSET + (GBE_HW_STATS_REG_MAP_SZ * i);
3205 
3206 	gbe_dev->ale_reg = gbe_dev->switch_regs + XGBE10_ALE_OFFSET;
3207 	gbe_dev->cpts_reg = gbe_dev->switch_regs + XGBE10_CPTS_OFFSET;
3208 	gbe_dev->ale_ports = gbe_dev->max_num_ports;
3209 	gbe_dev->host_port = XGBE10_HOST_PORT_NUM;
3210 	gbe_dev->ale_entries = XGBE10_NUM_ALE_ENTRIES;
3211 	gbe_dev->stats_en_mask = (1 << (gbe_dev->max_num_ports)) - 1;
3212 
3213 	/* Subsystem registers */
3214 	XGBE_SET_REG_OFS(gbe_dev, ss_regs, id_ver);
3215 	XGBE_SET_REG_OFS(gbe_dev, ss_regs, control);
3216 
3217 	/* Switch module registers */
3218 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, id_ver);
3219 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, control);
3220 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, ptype);
3221 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, stat_port_en);
3222 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, flow_control);
3223 
3224 	/* Host port registers */
3225 	XGBE_SET_REG_OFS(gbe_dev, host_port_regs, port_vlan);
3226 	XGBE_SET_REG_OFS(gbe_dev, host_port_regs, tx_pri_map);
3227 	XGBE_SET_REG_OFS(gbe_dev, host_port_regs, rx_maxlen);
3228 	return 0;
3229 }
3230 
3231 static int get_gbe_resource_version(struct gbe_priv *gbe_dev,
3232 				    struct device_node *node)
3233 {
3234 	struct resource res;
3235 	void __iomem *regs;
3236 	int ret;
3237 
3238 	ret = of_address_to_resource(node, GBE_SS_REG_INDEX, &res);
3239 	if (ret) {
3240 		dev_err(gbe_dev->dev,
3241 			"Can't translate of node(%s) of gbe ss address at %d\n",
3242 			node->name, GBE_SS_REG_INDEX);
3243 		return ret;
3244 	}
3245 
3246 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3247 	if (IS_ERR(regs)) {
3248 		dev_err(gbe_dev->dev, "Failed to map gbe register base\n");
3249 		return PTR_ERR(regs);
3250 	}
3251 	gbe_dev->ss_regs = regs;
3252 	gbe_dev->ss_version = readl(gbe_dev->ss_regs);
3253 	return 0;
3254 }
3255 
3256 static int set_gbe_ethss14_priv(struct gbe_priv *gbe_dev,
3257 				struct device_node *node)
3258 {
3259 	struct resource res;
3260 	void __iomem *regs;
3261 	int i, ret;
3262 
3263 	ret = of_address_to_resource(node, GBE_SGMII34_REG_INDEX, &res);
3264 	if (ret) {
3265 		dev_err(gbe_dev->dev,
3266 			"Can't translate of gbe node(%s) address at index %d\n",
3267 			node->name, GBE_SGMII34_REG_INDEX);
3268 		return ret;
3269 	}
3270 
3271 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3272 	if (IS_ERR(regs)) {
3273 		dev_err(gbe_dev->dev,
3274 			"Failed to map gbe sgmii port34 register base\n");
3275 		return PTR_ERR(regs);
3276 	}
3277 	gbe_dev->sgmii_port34_regs = regs;
3278 
3279 	ret = of_address_to_resource(node, GBE_SM_REG_INDEX, &res);
3280 	if (ret) {
3281 		dev_err(gbe_dev->dev,
3282 			"Can't translate of gbe node(%s) address at index %d\n",
3283 			node->name, GBE_SM_REG_INDEX);
3284 		return ret;
3285 	}
3286 
3287 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3288 	if (IS_ERR(regs)) {
3289 		dev_err(gbe_dev->dev,
3290 			"Failed to map gbe switch module register base\n");
3291 		return PTR_ERR(regs);
3292 	}
3293 	gbe_dev->switch_regs = regs;
3294 
3295 	gbe_dev->num_stats_mods = gbe_dev->max_num_slaves;
3296 	gbe_dev->et_stats = gbe13_et_stats;
3297 	gbe_dev->num_et_stats = ARRAY_SIZE(gbe13_et_stats);
3298 
3299 	gbe_dev->hw_stats = devm_kzalloc(gbe_dev->dev,
3300 					 gbe_dev->num_et_stats * sizeof(u64),
3301 					 GFP_KERNEL);
3302 	if (!gbe_dev->hw_stats) {
3303 		dev_err(gbe_dev->dev, "hw_stats memory allocation failed\n");
3304 		return -ENOMEM;
3305 	}
3306 
3307 	gbe_dev->hw_stats_prev =
3308 		devm_kzalloc(gbe_dev->dev,
3309 			     gbe_dev->num_et_stats * sizeof(u32),
3310 			     GFP_KERNEL);
3311 	if (!gbe_dev->hw_stats_prev) {
3312 		dev_err(gbe_dev->dev,
3313 			"hw_stats_prev memory allocation failed\n");
3314 		return -ENOMEM;
3315 	}
3316 
3317 	gbe_dev->sgmii_port_regs = gbe_dev->ss_regs + GBE13_SGMII_MODULE_OFFSET;
3318 	gbe_dev->host_port_regs = gbe_dev->switch_regs + GBE13_HOST_PORT_OFFSET;
3319 
3320 	/* K2HK has only 2 hw stats modules visible at a time, so
3321 	 * module 0 & 2 points to one base and
3322 	 * module 1 & 3 points to the other base
3323 	 */
3324 	for (i = 0; i < gbe_dev->max_num_slaves; i++) {
3325 		gbe_dev->hw_stats_regs[i] =
3326 			gbe_dev->switch_regs + GBE13_HW_STATS_OFFSET +
3327 			(GBE_HW_STATS_REG_MAP_SZ * (i & 0x1));
3328 	}
3329 
3330 	gbe_dev->cpts_reg = gbe_dev->switch_regs + GBE13_CPTS_OFFSET;
3331 	gbe_dev->ale_reg = gbe_dev->switch_regs + GBE13_ALE_OFFSET;
3332 	gbe_dev->ale_ports = gbe_dev->max_num_ports;
3333 	gbe_dev->host_port = GBE13_HOST_PORT_NUM;
3334 	gbe_dev->ale_entries = GBE13_NUM_ALE_ENTRIES;
3335 	gbe_dev->stats_en_mask = GBE13_REG_VAL_STAT_ENABLE_ALL;
3336 
3337 	/* Subsystem registers */
3338 	GBE_SET_REG_OFS(gbe_dev, ss_regs, id_ver);
3339 
3340 	/* Switch module registers */
3341 	GBE_SET_REG_OFS(gbe_dev, switch_regs, id_ver);
3342 	GBE_SET_REG_OFS(gbe_dev, switch_regs, control);
3343 	GBE_SET_REG_OFS(gbe_dev, switch_regs, soft_reset);
3344 	GBE_SET_REG_OFS(gbe_dev, switch_regs, stat_port_en);
3345 	GBE_SET_REG_OFS(gbe_dev, switch_regs, ptype);
3346 	GBE_SET_REG_OFS(gbe_dev, switch_regs, flow_control);
3347 
3348 	/* Host port registers */
3349 	GBE_SET_REG_OFS(gbe_dev, host_port_regs, port_vlan);
3350 	GBE_SET_REG_OFS(gbe_dev, host_port_regs, rx_maxlen);
3351 	return 0;
3352 }
3353 
3354 static int set_gbenu_ethss_priv(struct gbe_priv *gbe_dev,
3355 				struct device_node *node)
3356 {
3357 	struct resource res;
3358 	void __iomem *regs;
3359 	int i, ret;
3360 
3361 	gbe_dev->num_stats_mods = gbe_dev->max_num_ports;
3362 	gbe_dev->et_stats = gbenu_et_stats;
3363 
3364 	if (IS_SS_ID_NU(gbe_dev))
3365 		gbe_dev->num_et_stats = GBENU_ET_STATS_HOST_SIZE +
3366 			(gbe_dev->max_num_slaves * GBENU_ET_STATS_PORT_SIZE);
3367 	else
3368 		gbe_dev->num_et_stats = GBENU_ET_STATS_HOST_SIZE +
3369 					GBENU_ET_STATS_PORT_SIZE;
3370 
3371 	gbe_dev->hw_stats = devm_kzalloc(gbe_dev->dev,
3372 					 gbe_dev->num_et_stats * sizeof(u64),
3373 					 GFP_KERNEL);
3374 	if (!gbe_dev->hw_stats) {
3375 		dev_err(gbe_dev->dev, "hw_stats memory allocation failed\n");
3376 		return -ENOMEM;
3377 	}
3378 
3379 	gbe_dev->hw_stats_prev =
3380 		devm_kzalloc(gbe_dev->dev,
3381 			     gbe_dev->num_et_stats * sizeof(u32),
3382 			     GFP_KERNEL);
3383 	if (!gbe_dev->hw_stats_prev) {
3384 		dev_err(gbe_dev->dev,
3385 			"hw_stats_prev memory allocation failed\n");
3386 		return -ENOMEM;
3387 	}
3388 
3389 	ret = of_address_to_resource(node, GBENU_SM_REG_INDEX, &res);
3390 	if (ret) {
3391 		dev_err(gbe_dev->dev,
3392 			"Can't translate of gbenu node(%s) addr at index %d\n",
3393 			node->name, GBENU_SM_REG_INDEX);
3394 		return ret;
3395 	}
3396 
3397 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3398 	if (IS_ERR(regs)) {
3399 		dev_err(gbe_dev->dev,
3400 			"Failed to map gbenu switch module register base\n");
3401 		return PTR_ERR(regs);
3402 	}
3403 	gbe_dev->switch_regs = regs;
3404 
3405 	gbe_dev->sgmii_port_regs = gbe_dev->ss_regs + GBENU_SGMII_MODULE_OFFSET;
3406 
3407 	/* Although sgmii modules are mem mapped to one contiguous
3408 	 * region on GBENU devices, setting sgmii_port34_regs allows
3409 	 * consistent code when accessing sgmii api
3410 	 */
3411 	gbe_dev->sgmii_port34_regs = gbe_dev->sgmii_port_regs +
3412 				     (2 * GBENU_SGMII_MODULE_SIZE);
3413 
3414 	gbe_dev->host_port_regs = gbe_dev->switch_regs + GBENU_HOST_PORT_OFFSET;
3415 
3416 	for (i = 0; i < (gbe_dev->max_num_ports); i++)
3417 		gbe_dev->hw_stats_regs[i] = gbe_dev->switch_regs +
3418 			GBENU_HW_STATS_OFFSET + (GBENU_HW_STATS_REG_MAP_SZ * i);
3419 
3420 	gbe_dev->cpts_reg = gbe_dev->switch_regs + GBENU_CPTS_OFFSET;
3421 	gbe_dev->ale_reg = gbe_dev->switch_regs + GBENU_ALE_OFFSET;
3422 	gbe_dev->ale_ports = gbe_dev->max_num_ports;
3423 	gbe_dev->host_port = GBENU_HOST_PORT_NUM;
3424 	gbe_dev->ale_entries = GBE13_NUM_ALE_ENTRIES;
3425 	gbe_dev->stats_en_mask = (1 << (gbe_dev->max_num_ports)) - 1;
3426 
3427 	/* Subsystem registers */
3428 	GBENU_SET_REG_OFS(gbe_dev, ss_regs, id_ver);
3429 
3430 	/* Switch module registers */
3431 	GBENU_SET_REG_OFS(gbe_dev, switch_regs, id_ver);
3432 	GBENU_SET_REG_OFS(gbe_dev, switch_regs, control);
3433 	GBENU_SET_REG_OFS(gbe_dev, switch_regs, stat_port_en);
3434 	GBENU_SET_REG_OFS(gbe_dev, switch_regs, ptype);
3435 
3436 	/* Host port registers */
3437 	GBENU_SET_REG_OFS(gbe_dev, host_port_regs, port_vlan);
3438 	GBENU_SET_REG_OFS(gbe_dev, host_port_regs, rx_maxlen);
3439 
3440 	/* For NU only.  2U does not need tx_pri_map.
3441 	 * NU cppi port 0 tx pkt streaming interface has (n-1)*8 egress threads
3442 	 * while 2U has only 1 such thread
3443 	 */
3444 	GBENU_SET_REG_OFS(gbe_dev, host_port_regs, tx_pri_map);
3445 	return 0;
3446 }
3447 
3448 static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
3449 		     struct device_node *node, void **inst_priv)
3450 {
3451 	struct device_node *interfaces, *interface;
3452 	struct device_node *secondary_ports;
3453 	struct cpsw_ale_params ale_params;
3454 	struct gbe_priv *gbe_dev;
3455 	u32 slave_num;
3456 	int i, ret = 0;
3457 
3458 	if (!node) {
3459 		dev_err(dev, "device tree info unavailable\n");
3460 		return -ENODEV;
3461 	}
3462 
3463 	gbe_dev = devm_kzalloc(dev, sizeof(struct gbe_priv), GFP_KERNEL);
3464 	if (!gbe_dev)
3465 		return -ENOMEM;
3466 
3467 	if (of_device_is_compatible(node, "ti,netcp-gbe-5") ||
3468 	    of_device_is_compatible(node, "ti,netcp-gbe")) {
3469 		gbe_dev->max_num_slaves = 4;
3470 	} else if (of_device_is_compatible(node, "ti,netcp-gbe-9")) {
3471 		gbe_dev->max_num_slaves = 8;
3472 	} else if (of_device_is_compatible(node, "ti,netcp-gbe-2")) {
3473 		gbe_dev->max_num_slaves = 1;
3474 	} else if (of_device_is_compatible(node, "ti,netcp-xgbe")) {
3475 		gbe_dev->max_num_slaves = 2;
3476 	} else {
3477 		dev_err(dev, "device tree node for unknown device\n");
3478 		return -EINVAL;
3479 	}
3480 	gbe_dev->max_num_ports = gbe_dev->max_num_slaves + 1;
3481 
3482 	gbe_dev->dev = dev;
3483 	gbe_dev->netcp_device = netcp_device;
3484 	gbe_dev->rx_packet_max = NETCP_MAX_FRAME_SIZE;
3485 
3486 	/* init the hw stats lock */
3487 	spin_lock_init(&gbe_dev->hw_stats_lock);
3488 
3489 	if (of_find_property(node, "enable-ale", NULL)) {
3490 		gbe_dev->enable_ale = true;
3491 		dev_info(dev, "ALE enabled\n");
3492 	} else {
3493 		gbe_dev->enable_ale = false;
3494 		dev_dbg(dev, "ALE bypass enabled*\n");
3495 	}
3496 
3497 	ret = of_property_read_u32(node, "tx-queue",
3498 				   &gbe_dev->tx_queue_id);
3499 	if (ret < 0) {
3500 		dev_err(dev, "missing tx_queue parameter\n");
3501 		gbe_dev->tx_queue_id = GBE_TX_QUEUE;
3502 	}
3503 
3504 	ret = of_property_read_string(node, "tx-channel",
3505 				      &gbe_dev->dma_chan_name);
3506 	if (ret < 0) {
3507 		dev_err(dev, "missing \"tx-channel\" parameter\n");
3508 		return -EINVAL;
3509 	}
3510 
3511 	if (!strcmp(node->name, "gbe")) {
3512 		ret = get_gbe_resource_version(gbe_dev, node);
3513 		if (ret)
3514 			return ret;
3515 
3516 		dev_dbg(dev, "ss_version: 0x%08x\n", gbe_dev->ss_version);
3517 
3518 		if (gbe_dev->ss_version == GBE_SS_VERSION_14)
3519 			ret = set_gbe_ethss14_priv(gbe_dev, node);
3520 		else if (IS_SS_ID_MU(gbe_dev))
3521 			ret = set_gbenu_ethss_priv(gbe_dev, node);
3522 		else
3523 			ret = -ENODEV;
3524 
3525 	} else if (!strcmp(node->name, "xgbe")) {
3526 		ret = set_xgbe_ethss10_priv(gbe_dev, node);
3527 		if (ret)
3528 			return ret;
3529 		ret = netcp_xgbe_serdes_init(gbe_dev->xgbe_serdes_regs,
3530 					     gbe_dev->ss_regs);
3531 	} else {
3532 		dev_err(dev, "unknown GBE node(%s)\n", node->name);
3533 		ret = -ENODEV;
3534 	}
3535 
3536 	if (ret)
3537 		return ret;
3538 
3539 	interfaces = of_get_child_by_name(node, "interfaces");
3540 	if (!interfaces)
3541 		dev_err(dev, "could not find interfaces\n");
3542 
3543 	ret = netcp_txpipe_init(&gbe_dev->tx_pipe, netcp_device,
3544 				gbe_dev->dma_chan_name, gbe_dev->tx_queue_id);
3545 	if (ret)
3546 		return ret;
3547 
3548 	ret = netcp_txpipe_open(&gbe_dev->tx_pipe);
3549 	if (ret)
3550 		return ret;
3551 
3552 	/* Create network interfaces */
3553 	INIT_LIST_HEAD(&gbe_dev->gbe_intf_head);
3554 	for_each_child_of_node(interfaces, interface) {
3555 		ret = of_property_read_u32(interface, "slave-port", &slave_num);
3556 		if (ret) {
3557 			dev_err(dev, "missing slave-port parameter, skipping interface configuration for %s\n",
3558 				interface->name);
3559 			continue;
3560 		}
3561 		gbe_dev->num_slaves++;
3562 		if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) {
3563 			of_node_put(interface);
3564 			break;
3565 		}
3566 	}
3567 	of_node_put(interfaces);
3568 
3569 	if (!gbe_dev->num_slaves)
3570 		dev_warn(dev, "No network interface configured\n");
3571 
3572 	/* Initialize Secondary slave ports */
3573 	secondary_ports = of_get_child_by_name(node, "secondary-slave-ports");
3574 	INIT_LIST_HEAD(&gbe_dev->secondary_slaves);
3575 	if (secondary_ports && (gbe_dev->num_slaves <  gbe_dev->max_num_slaves))
3576 		init_secondary_ports(gbe_dev, secondary_ports);
3577 	of_node_put(secondary_ports);
3578 
3579 	if (!gbe_dev->num_slaves) {
3580 		dev_err(dev,
3581 			"No network interface or secondary ports configured\n");
3582 		ret = -ENODEV;
3583 		goto free_sec_ports;
3584 	}
3585 
3586 	memset(&ale_params, 0, sizeof(ale_params));
3587 	ale_params.dev		= gbe_dev->dev;
3588 	ale_params.ale_regs	= gbe_dev->ale_reg;
3589 	ale_params.ale_ageout	= GBE_DEFAULT_ALE_AGEOUT;
3590 	ale_params.ale_entries	= gbe_dev->ale_entries;
3591 	ale_params.ale_ports	= gbe_dev->ale_ports;
3592 
3593 	gbe_dev->ale = cpsw_ale_create(&ale_params);
3594 	if (!gbe_dev->ale) {
3595 		dev_err(gbe_dev->dev, "error initializing ale engine\n");
3596 		ret = -ENODEV;
3597 		goto free_sec_ports;
3598 	} else {
3599 		dev_dbg(gbe_dev->dev, "Created a gbe ale engine\n");
3600 	}
3601 
3602 	gbe_dev->cpts = cpts_create(gbe_dev->dev, gbe_dev->cpts_reg, node);
3603 	if (IS_ENABLED(CONFIG_TI_CPTS) && IS_ERR(gbe_dev->cpts)) {
3604 		ret = PTR_ERR(gbe_dev->cpts);
3605 		goto free_sec_ports;
3606 	}
3607 
3608 	/* initialize host port */
3609 	gbe_init_host_port(gbe_dev);
3610 
3611 	spin_lock_bh(&gbe_dev->hw_stats_lock);
3612 	for (i = 0; i < gbe_dev->num_stats_mods; i++) {
3613 		if (gbe_dev->ss_version == GBE_SS_VERSION_14)
3614 			gbe_reset_mod_stats_ver14(gbe_dev, i);
3615 		else
3616 			gbe_reset_mod_stats(gbe_dev, i);
3617 	}
3618 	spin_unlock_bh(&gbe_dev->hw_stats_lock);
3619 
3620 	init_timer(&gbe_dev->timer);
3621 	gbe_dev->timer.data	 = (unsigned long)gbe_dev;
3622 	gbe_dev->timer.function = netcp_ethss_timer;
3623 	gbe_dev->timer.expires	 = jiffies + GBE_TIMER_INTERVAL;
3624 	add_timer(&gbe_dev->timer);
3625 	*inst_priv = gbe_dev;
3626 	return 0;
3627 
3628 free_sec_ports:
3629 	free_secondary_ports(gbe_dev);
3630 	return ret;
3631 }
3632 
3633 static int gbe_attach(void *inst_priv, struct net_device *ndev,
3634 		      struct device_node *node, void **intf_priv)
3635 {
3636 	struct gbe_priv *gbe_dev = inst_priv;
3637 	struct gbe_intf *gbe_intf;
3638 	int ret;
3639 
3640 	if (!node) {
3641 		dev_err(gbe_dev->dev, "interface node not available\n");
3642 		return -ENODEV;
3643 	}
3644 
3645 	gbe_intf = devm_kzalloc(gbe_dev->dev, sizeof(*gbe_intf), GFP_KERNEL);
3646 	if (!gbe_intf)
3647 		return -ENOMEM;
3648 
3649 	gbe_intf->ndev = ndev;
3650 	gbe_intf->dev = gbe_dev->dev;
3651 	gbe_intf->gbe_dev = gbe_dev;
3652 
3653 	gbe_intf->slave = devm_kzalloc(gbe_dev->dev,
3654 					sizeof(*gbe_intf->slave),
3655 					GFP_KERNEL);
3656 	if (!gbe_intf->slave) {
3657 		ret = -ENOMEM;
3658 		goto fail;
3659 	}
3660 
3661 	if (init_slave(gbe_dev, gbe_intf->slave, node)) {
3662 		ret = -ENODEV;
3663 		goto fail;
3664 	}
3665 
3666 	gbe_intf->tx_pipe = gbe_dev->tx_pipe;
3667 	ndev->ethtool_ops = &keystone_ethtool_ops;
3668 	list_add_tail(&gbe_intf->gbe_intf_list, &gbe_dev->gbe_intf_head);
3669 	*intf_priv = gbe_intf;
3670 	return 0;
3671 
3672 fail:
3673 	if (gbe_intf->slave)
3674 		devm_kfree(gbe_dev->dev, gbe_intf->slave);
3675 	if (gbe_intf)
3676 		devm_kfree(gbe_dev->dev, gbe_intf);
3677 	return ret;
3678 }
3679 
3680 static int gbe_release(void *intf_priv)
3681 {
3682 	struct gbe_intf *gbe_intf = intf_priv;
3683 
3684 	gbe_intf->ndev->ethtool_ops = NULL;
3685 	list_del(&gbe_intf->gbe_intf_list);
3686 	devm_kfree(gbe_intf->dev, gbe_intf->slave);
3687 	devm_kfree(gbe_intf->dev, gbe_intf);
3688 	return 0;
3689 }
3690 
3691 static int gbe_remove(struct netcp_device *netcp_device, void *inst_priv)
3692 {
3693 	struct gbe_priv *gbe_dev = inst_priv;
3694 
3695 	del_timer_sync(&gbe_dev->timer);
3696 	cpts_release(gbe_dev->cpts);
3697 	cpsw_ale_stop(gbe_dev->ale);
3698 	cpsw_ale_destroy(gbe_dev->ale);
3699 	netcp_txpipe_close(&gbe_dev->tx_pipe);
3700 	free_secondary_ports(gbe_dev);
3701 
3702 	if (!list_empty(&gbe_dev->gbe_intf_head))
3703 		dev_alert(gbe_dev->dev,
3704 			  "unreleased ethss interfaces present\n");
3705 
3706 	return 0;
3707 }
3708 
3709 static struct netcp_module gbe_module = {
3710 	.name		= GBE_MODULE_NAME,
3711 	.owner		= THIS_MODULE,
3712 	.primary	= true,
3713 	.probe		= gbe_probe,
3714 	.open		= gbe_open,
3715 	.close		= gbe_close,
3716 	.remove		= gbe_remove,
3717 	.attach		= gbe_attach,
3718 	.release	= gbe_release,
3719 	.add_addr	= gbe_add_addr,
3720 	.del_addr	= gbe_del_addr,
3721 	.add_vid	= gbe_add_vid,
3722 	.del_vid	= gbe_del_vid,
3723 	.ioctl		= gbe_ioctl,
3724 };
3725 
3726 static struct netcp_module xgbe_module = {
3727 	.name		= XGBE_MODULE_NAME,
3728 	.owner		= THIS_MODULE,
3729 	.primary	= true,
3730 	.probe		= gbe_probe,
3731 	.open		= gbe_open,
3732 	.close		= gbe_close,
3733 	.remove		= gbe_remove,
3734 	.attach		= gbe_attach,
3735 	.release	= gbe_release,
3736 	.add_addr	= gbe_add_addr,
3737 	.del_addr	= gbe_del_addr,
3738 	.add_vid	= gbe_add_vid,
3739 	.del_vid	= gbe_del_vid,
3740 	.ioctl		= gbe_ioctl,
3741 };
3742 
3743 static int __init keystone_gbe_init(void)
3744 {
3745 	int ret;
3746 
3747 	ret = netcp_register_module(&gbe_module);
3748 	if (ret)
3749 		return ret;
3750 
3751 	ret = netcp_register_module(&xgbe_module);
3752 	if (ret)
3753 		return ret;
3754 
3755 	return 0;
3756 }
3757 module_init(keystone_gbe_init);
3758 
3759 static void __exit keystone_gbe_exit(void)
3760 {
3761 	netcp_unregister_module(&gbe_module);
3762 	netcp_unregister_module(&xgbe_module);
3763 }
3764 module_exit(keystone_gbe_exit);
3765 
3766 MODULE_LICENSE("GPL v2");
3767 MODULE_DESCRIPTION("TI NETCP ETHSS driver for Keystone SOCs");
3768 MODULE_AUTHOR("Sandeep Nair <sandeep_n@ti.com");
3769