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.h"
31 #include "cpsw_ale.h"
32 #include "netcp.h"
33 #include "cpts.h"
34 
35 #define NETCP_DRIVER_NAME		"TI KeyStone Ethernet Driver"
36 #define NETCP_DRIVER_VERSION		"v1.0"
37 
38 #define GBE_IDENT(reg)			((reg >> 16) & 0xffff)
39 #define GBE_MAJOR_VERSION(reg)		(reg >> 8 & 0x7)
40 #define GBE_MINOR_VERSION(reg)		(reg & 0xff)
41 #define GBE_RTL_VERSION(reg)		((reg >> 11) & 0x1f)
42 
43 /* 1G Ethernet SS defines */
44 #define GBE_MODULE_NAME			"netcp-gbe"
45 #define GBE_SS_VERSION_14		0x4ed21104
46 
47 #define GBE_SS_REG_INDEX		0
48 #define GBE_SGMII34_REG_INDEX		1
49 #define GBE_SM_REG_INDEX		2
50 /* offset relative to base of GBE_SS_REG_INDEX */
51 #define GBE13_SGMII_MODULE_OFFSET	0x100
52 /* offset relative to base of GBE_SM_REG_INDEX */
53 #define GBE13_HOST_PORT_OFFSET		0x34
54 #define GBE13_SLAVE_PORT_OFFSET		0x60
55 #define GBE13_EMAC_OFFSET		0x100
56 #define GBE13_SLAVE_PORT2_OFFSET	0x200
57 #define GBE13_HW_STATS_OFFSET		0x300
58 #define GBE13_CPTS_OFFSET		0x500
59 #define GBE13_ALE_OFFSET		0x600
60 #define GBE13_HOST_PORT_NUM		0
61 #define GBE13_NUM_ALE_ENTRIES		1024
62 
63 /* 1G Ethernet NU SS defines */
64 #define GBENU_MODULE_NAME		"netcp-gbenu"
65 #define GBE_SS_ID_NU			0x4ee6
66 #define GBE_SS_ID_2U			0x4ee8
67 
68 #define IS_SS_ID_MU(d) \
69 	((GBE_IDENT((d)->ss_version) == GBE_SS_ID_NU) || \
70 	 (GBE_IDENT((d)->ss_version) == GBE_SS_ID_2U))
71 
72 #define IS_SS_ID_NU(d) \
73 	(GBE_IDENT((d)->ss_version) == GBE_SS_ID_NU)
74 
75 #define GBENU_SS_REG_INDEX		0
76 #define GBENU_SM_REG_INDEX		1
77 #define GBENU_SGMII_MODULE_OFFSET	0x100
78 #define GBENU_HOST_PORT_OFFSET		0x1000
79 #define GBENU_SLAVE_PORT_OFFSET		0x2000
80 #define GBENU_EMAC_OFFSET		0x2330
81 #define GBENU_HW_STATS_OFFSET		0x1a000
82 #define GBENU_CPTS_OFFSET		0x1d000
83 #define GBENU_ALE_OFFSET		0x1e000
84 #define GBENU_HOST_PORT_NUM		0
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 #define IS_SS_ID_XGBE(d)		((d)->ss_version == XGBE_SS_VERSION_10)
98 /* offset relative to base of XGBE_SM_REG_INDEX */
99 #define XGBE10_HOST_PORT_OFFSET		0x34
100 #define XGBE10_SLAVE_PORT_OFFSET	0x64
101 #define XGBE10_EMAC_OFFSET		0x400
102 #define XGBE10_CPTS_OFFSET		0x600
103 #define XGBE10_ALE_OFFSET		0x700
104 #define XGBE10_HW_STATS_OFFSET		0x800
105 #define XGBE10_HOST_PORT_NUM		0
106 #define XGBE10_NUM_ALE_ENTRIES		2048
107 
108 #define	GBE_TIMER_INTERVAL			(HZ / 2)
109 
110 /* Soft reset register values */
111 #define SOFT_RESET_MASK				BIT(0)
112 #define SOFT_RESET				BIT(0)
113 #define DEVICE_EMACSL_RESET_POLL_COUNT		100
114 #define GMACSL_RET_WARN_RESET_INCOMPLETE	-2
115 
116 #define MACSL_RX_ENABLE_CSF			BIT(23)
117 #define MACSL_ENABLE_EXT_CTL			BIT(18)
118 #define MACSL_XGMII_ENABLE			BIT(13)
119 #define MACSL_XGIG_MODE				BIT(8)
120 #define MACSL_GIG_MODE				BIT(7)
121 #define MACSL_GMII_ENABLE			BIT(5)
122 #define MACSL_FULLDUPLEX			BIT(0)
123 
124 #define GBE_CTL_P0_ENABLE			BIT(2)
125 #define ETH_SW_CTL_P0_TX_CRC_REMOVE		BIT(13)
126 #define GBE13_REG_VAL_STAT_ENABLE_ALL		0xff
127 #define XGBE_REG_VAL_STAT_ENABLE_ALL		0xf
128 #define GBE_STATS_CD_SEL			BIT(28)
129 
130 #define GBE_PORT_MASK(x)			(BIT(x) - 1)
131 #define GBE_MASK_NO_PORTS			0
132 
133 #define GBE_DEF_1G_MAC_CONTROL					\
134 		(MACSL_GIG_MODE | MACSL_GMII_ENABLE |		\
135 		 MACSL_ENABLE_EXT_CTL |	MACSL_RX_ENABLE_CSF)
136 
137 #define GBE_DEF_10G_MAC_CONTROL				\
138 		(MACSL_XGIG_MODE | MACSL_XGMII_ENABLE |		\
139 		 MACSL_ENABLE_EXT_CTL |	MACSL_RX_ENABLE_CSF)
140 
141 #define GBE_STATSA_MODULE			0
142 #define GBE_STATSB_MODULE			1
143 #define GBE_STATSC_MODULE			2
144 #define GBE_STATSD_MODULE			3
145 
146 #define GBENU_STATS0_MODULE			0
147 #define GBENU_STATS1_MODULE			1
148 #define GBENU_STATS2_MODULE			2
149 #define GBENU_STATS3_MODULE			3
150 #define GBENU_STATS4_MODULE			4
151 #define GBENU_STATS5_MODULE			5
152 #define GBENU_STATS6_MODULE			6
153 #define GBENU_STATS7_MODULE			7
154 #define GBENU_STATS8_MODULE			8
155 
156 #define XGBE_STATS0_MODULE			0
157 #define XGBE_STATS1_MODULE			1
158 #define XGBE_STATS2_MODULE			2
159 
160 /* s: 0-based slave_port */
161 #define SGMII_BASE(d, s) \
162 	(((s) < 2) ? (d)->sgmii_port_regs : (d)->sgmii_port34_regs)
163 
164 #define GBE_TX_QUEUE				648
165 #define	GBE_TXHOOK_ORDER			0
166 #define	GBE_RXHOOK_ORDER			0
167 #define GBE_DEFAULT_ALE_AGEOUT			30
168 #define SLAVE_LINK_IS_XGMII(s) ((s)->link_interface >= XGMII_LINK_MAC_PHY)
169 #define NETCP_LINK_STATE_INVALID		-1
170 
171 #define GBE_SET_REG_OFS(p, rb, rn) p->rb##_ofs.rn = \
172 		offsetof(struct gbe##_##rb, rn)
173 #define GBENU_SET_REG_OFS(p, rb, rn) p->rb##_ofs.rn = \
174 		offsetof(struct gbenu##_##rb, rn)
175 #define XGBE_SET_REG_OFS(p, rb, rn) p->rb##_ofs.rn = \
176 		offsetof(struct xgbe##_##rb, rn)
177 #define GBE_REG_ADDR(p, rb, rn) (p->rb + p->rb##_ofs.rn)
178 
179 #define HOST_TX_PRI_MAP_DEFAULT			0x00000000
180 
181 #if IS_ENABLED(CONFIG_TI_CPTS)
182 /* Px_TS_CTL register fields */
183 #define TS_RX_ANX_F_EN				BIT(0)
184 #define TS_RX_VLAN_LT1_EN			BIT(1)
185 #define TS_RX_VLAN_LT2_EN			BIT(2)
186 #define TS_RX_ANX_D_EN				BIT(3)
187 #define TS_TX_ANX_F_EN				BIT(4)
188 #define TS_TX_VLAN_LT1_EN			BIT(5)
189 #define TS_TX_VLAN_LT2_EN			BIT(6)
190 #define TS_TX_ANX_D_EN				BIT(7)
191 #define TS_LT2_EN				BIT(8)
192 #define TS_RX_ANX_E_EN				BIT(9)
193 #define TS_TX_ANX_E_EN				BIT(10)
194 #define TS_MSG_TYPE_EN_SHIFT			16
195 #define TS_MSG_TYPE_EN_MASK			0xffff
196 
197 /* Px_TS_SEQ_LTYPE register fields */
198 #define TS_SEQ_ID_OFS_SHIFT			16
199 #define TS_SEQ_ID_OFS_MASK			0x3f
200 
201 /* Px_TS_CTL_LTYPE2 register fields */
202 #define TS_107					BIT(16)
203 #define TS_129					BIT(17)
204 #define TS_130					BIT(18)
205 #define TS_131					BIT(19)
206 #define TS_132					BIT(20)
207 #define TS_319					BIT(21)
208 #define TS_320					BIT(22)
209 #define TS_TTL_NONZERO				BIT(23)
210 #define TS_UNI_EN				BIT(24)
211 #define TS_UNI_EN_SHIFT				24
212 
213 #define TS_TX_ANX_ALL_EN	 \
214 	(TS_TX_ANX_D_EN	| TS_TX_ANX_E_EN | TS_TX_ANX_F_EN)
215 
216 #define TS_RX_ANX_ALL_EN	 \
217 	(TS_RX_ANX_D_EN	| TS_RX_ANX_E_EN | TS_RX_ANX_F_EN)
218 
219 #define TS_CTL_DST_PORT				TS_319
220 #define TS_CTL_DST_PORT_SHIFT			21
221 
222 #define TS_CTL_MADDR_ALL	\
223 	(TS_107 | TS_129 | TS_130 | TS_131 | TS_132)
224 
225 #define TS_CTL_MADDR_SHIFT			16
226 
227 /* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */
228 #define EVENT_MSG_BITS (BIT(0) | BIT(1) | BIT(2) | BIT(3))
229 #endif /* CONFIG_TI_CPTS */
230 
231 struct xgbe_ss_regs {
232 	u32	id_ver;
233 	u32	synce_count;
234 	u32	synce_mux;
235 	u32	control;
236 };
237 
238 struct xgbe_switch_regs {
239 	u32	id_ver;
240 	u32	control;
241 	u32	emcontrol;
242 	u32	stat_port_en;
243 	u32	ptype;
244 	u32	soft_idle;
245 	u32	thru_rate;
246 	u32	gap_thresh;
247 	u32	tx_start_wds;
248 	u32	flow_control;
249 	u32	cppi_thresh;
250 };
251 
252 struct xgbe_port_regs {
253 	u32	blk_cnt;
254 	u32	port_vlan;
255 	u32	tx_pri_map;
256 	u32	sa_lo;
257 	u32	sa_hi;
258 	u32	ts_ctl;
259 	u32	ts_seq_ltype;
260 	u32	ts_vlan;
261 	u32	ts_ctl_ltype2;
262 	u32	ts_ctl2;
263 	u32	control;
264 };
265 
266 struct xgbe_host_port_regs {
267 	u32	blk_cnt;
268 	u32	port_vlan;
269 	u32	tx_pri_map;
270 	u32	src_id;
271 	u32	rx_pri_map;
272 	u32	rx_maxlen;
273 };
274 
275 struct xgbe_emac_regs {
276 	u32	id_ver;
277 	u32	mac_control;
278 	u32	mac_status;
279 	u32	soft_reset;
280 	u32	rx_maxlen;
281 	u32	__reserved_0;
282 	u32	rx_pause;
283 	u32	tx_pause;
284 	u32	em_control;
285 	u32	__reserved_1;
286 	u32	tx_gap;
287 	u32	rsvd[4];
288 };
289 
290 struct xgbe_host_hw_stats {
291 	u32	rx_good_frames;
292 	u32	rx_broadcast_frames;
293 	u32	rx_multicast_frames;
294 	u32	__rsvd_0[3];
295 	u32	rx_oversized_frames;
296 	u32	__rsvd_1;
297 	u32	rx_undersized_frames;
298 	u32	__rsvd_2;
299 	u32	overrun_type4;
300 	u32	overrun_type5;
301 	u32	rx_bytes;
302 	u32	tx_good_frames;
303 	u32	tx_broadcast_frames;
304 	u32	tx_multicast_frames;
305 	u32	__rsvd_3[9];
306 	u32	tx_bytes;
307 	u32	tx_64byte_frames;
308 	u32	tx_65_to_127byte_frames;
309 	u32	tx_128_to_255byte_frames;
310 	u32	tx_256_to_511byte_frames;
311 	u32	tx_512_to_1023byte_frames;
312 	u32	tx_1024byte_frames;
313 	u32	net_bytes;
314 	u32	rx_sof_overruns;
315 	u32	rx_mof_overruns;
316 	u32	rx_dma_overruns;
317 };
318 
319 struct xgbe_hw_stats {
320 	u32	rx_good_frames;
321 	u32	rx_broadcast_frames;
322 	u32	rx_multicast_frames;
323 	u32	rx_pause_frames;
324 	u32	rx_crc_errors;
325 	u32	rx_align_code_errors;
326 	u32	rx_oversized_frames;
327 	u32	rx_jabber_frames;
328 	u32	rx_undersized_frames;
329 	u32	rx_fragments;
330 	u32	overrun_type4;
331 	u32	overrun_type5;
332 	u32	rx_bytes;
333 	u32	tx_good_frames;
334 	u32	tx_broadcast_frames;
335 	u32	tx_multicast_frames;
336 	u32	tx_pause_frames;
337 	u32	tx_deferred_frames;
338 	u32	tx_collision_frames;
339 	u32	tx_single_coll_frames;
340 	u32	tx_mult_coll_frames;
341 	u32	tx_excessive_collisions;
342 	u32	tx_late_collisions;
343 	u32	tx_underrun;
344 	u32	tx_carrier_sense_errors;
345 	u32	tx_bytes;
346 	u32	tx_64byte_frames;
347 	u32	tx_65_to_127byte_frames;
348 	u32	tx_128_to_255byte_frames;
349 	u32	tx_256_to_511byte_frames;
350 	u32	tx_512_to_1023byte_frames;
351 	u32	tx_1024byte_frames;
352 	u32	net_bytes;
353 	u32	rx_sof_overruns;
354 	u32	rx_mof_overruns;
355 	u32	rx_dma_overruns;
356 };
357 
358 struct gbenu_ss_regs {
359 	u32	id_ver;
360 	u32	synce_count;		/* NU */
361 	u32	synce_mux;		/* NU */
362 	u32	control;		/* 2U */
363 	u32	__rsvd_0[2];		/* 2U */
364 	u32	rgmii_status;		/* 2U */
365 	u32	ss_status;		/* 2U */
366 };
367 
368 struct gbenu_switch_regs {
369 	u32	id_ver;
370 	u32	control;
371 	u32	__rsvd_0[2];
372 	u32	emcontrol;
373 	u32	stat_port_en;
374 	u32	ptype;			/* NU */
375 	u32	soft_idle;
376 	u32	thru_rate;		/* NU */
377 	u32	gap_thresh;		/* NU */
378 	u32	tx_start_wds;		/* NU */
379 	u32	eee_prescale;		/* 2U */
380 	u32	tx_g_oflow_thresh_set;	/* NU */
381 	u32	tx_g_oflow_thresh_clr;	/* NU */
382 	u32	tx_g_buf_thresh_set_l;	/* NU */
383 	u32	tx_g_buf_thresh_set_h;	/* NU */
384 	u32	tx_g_buf_thresh_clr_l;	/* NU */
385 	u32	tx_g_buf_thresh_clr_h;	/* NU */
386 };
387 
388 struct gbenu_port_regs {
389 	u32	__rsvd_0;
390 	u32	control;
391 	u32	max_blks;		/* 2U */
392 	u32	mem_align1;
393 	u32	blk_cnt;
394 	u32	port_vlan;
395 	u32	tx_pri_map;		/* NU */
396 	u32	pri_ctl;		/* 2U */
397 	u32	rx_pri_map;
398 	u32	rx_maxlen;
399 	u32	tx_blks_pri;		/* NU */
400 	u32	__rsvd_1;
401 	u32	idle2lpi;		/* 2U */
402 	u32	lpi2idle;		/* 2U */
403 	u32	eee_status;		/* 2U */
404 	u32	__rsvd_2;
405 	u32	__rsvd_3[176];		/* NU: more to add */
406 	u32	__rsvd_4[2];
407 	u32	sa_lo;
408 	u32	sa_hi;
409 	u32	ts_ctl;
410 	u32	ts_seq_ltype;
411 	u32	ts_vlan;
412 	u32	ts_ctl_ltype2;
413 	u32	ts_ctl2;
414 };
415 
416 struct gbenu_host_port_regs {
417 	u32	__rsvd_0;
418 	u32	control;
419 	u32	flow_id_offset;		/* 2U */
420 	u32	__rsvd_1;
421 	u32	blk_cnt;
422 	u32	port_vlan;
423 	u32	tx_pri_map;		/* NU */
424 	u32	pri_ctl;
425 	u32	rx_pri_map;
426 	u32	rx_maxlen;
427 	u32	tx_blks_pri;		/* NU */
428 	u32	__rsvd_2;
429 	u32	idle2lpi;		/* 2U */
430 	u32	lpi2wake;		/* 2U */
431 	u32	eee_status;		/* 2U */
432 	u32	__rsvd_3;
433 	u32	__rsvd_4[184];		/* NU */
434 	u32	host_blks_pri;		/* NU */
435 };
436 
437 struct gbenu_emac_regs {
438 	u32	mac_control;
439 	u32	mac_status;
440 	u32	soft_reset;
441 	u32	boff_test;
442 	u32	rx_pause;
443 	u32	__rsvd_0[11];		/* NU */
444 	u32	tx_pause;
445 	u32	__rsvd_1[11];		/* NU */
446 	u32	em_control;
447 	u32	tx_gap;
448 };
449 
450 /* Some hw stat regs are applicable to slave port only.
451  * This is handled by gbenu_et_stats struct.  Also some
452  * are for SS version NU and some are for 2U.
453  */
454 struct gbenu_hw_stats {
455 	u32	rx_good_frames;
456 	u32	rx_broadcast_frames;
457 	u32	rx_multicast_frames;
458 	u32	rx_pause_frames;		/* slave */
459 	u32	rx_crc_errors;
460 	u32	rx_align_code_errors;		/* slave */
461 	u32	rx_oversized_frames;
462 	u32	rx_jabber_frames;		/* slave */
463 	u32	rx_undersized_frames;
464 	u32	rx_fragments;			/* slave */
465 	u32	ale_drop;
466 	u32	ale_overrun_drop;
467 	u32	rx_bytes;
468 	u32	tx_good_frames;
469 	u32	tx_broadcast_frames;
470 	u32	tx_multicast_frames;
471 	u32	tx_pause_frames;		/* slave */
472 	u32	tx_deferred_frames;		/* slave */
473 	u32	tx_collision_frames;		/* slave */
474 	u32	tx_single_coll_frames;		/* slave */
475 	u32	tx_mult_coll_frames;		/* slave */
476 	u32	tx_excessive_collisions;	/* slave */
477 	u32	tx_late_collisions;		/* slave */
478 	u32	rx_ipg_error;			/* slave 10G only */
479 	u32	tx_carrier_sense_errors;	/* slave */
480 	u32	tx_bytes;
481 	u32	tx_64B_frames;
482 	u32	tx_65_to_127B_frames;
483 	u32	tx_128_to_255B_frames;
484 	u32	tx_256_to_511B_frames;
485 	u32	tx_512_to_1023B_frames;
486 	u32	tx_1024B_frames;
487 	u32	net_bytes;
488 	u32	rx_bottom_fifo_drop;
489 	u32	rx_port_mask_drop;
490 	u32	rx_top_fifo_drop;
491 	u32	ale_rate_limit_drop;
492 	u32	ale_vid_ingress_drop;
493 	u32	ale_da_eq_sa_drop;
494 	u32	__rsvd_0[3];
495 	u32	ale_unknown_ucast;
496 	u32	ale_unknown_ucast_bytes;
497 	u32	ale_unknown_mcast;
498 	u32	ale_unknown_mcast_bytes;
499 	u32	ale_unknown_bcast;
500 	u32	ale_unknown_bcast_bytes;
501 	u32	ale_pol_match;
502 	u32	ale_pol_match_red;		/* NU */
503 	u32	ale_pol_match_yellow;		/* NU */
504 	u32	__rsvd_1[44];
505 	u32	tx_mem_protect_err;
506 	/* following NU only */
507 	u32	tx_pri0;
508 	u32	tx_pri1;
509 	u32	tx_pri2;
510 	u32	tx_pri3;
511 	u32	tx_pri4;
512 	u32	tx_pri5;
513 	u32	tx_pri6;
514 	u32	tx_pri7;
515 	u32	tx_pri0_bcnt;
516 	u32	tx_pri1_bcnt;
517 	u32	tx_pri2_bcnt;
518 	u32	tx_pri3_bcnt;
519 	u32	tx_pri4_bcnt;
520 	u32	tx_pri5_bcnt;
521 	u32	tx_pri6_bcnt;
522 	u32	tx_pri7_bcnt;
523 	u32	tx_pri0_drop;
524 	u32	tx_pri1_drop;
525 	u32	tx_pri2_drop;
526 	u32	tx_pri3_drop;
527 	u32	tx_pri4_drop;
528 	u32	tx_pri5_drop;
529 	u32	tx_pri6_drop;
530 	u32	tx_pri7_drop;
531 	u32	tx_pri0_drop_bcnt;
532 	u32	tx_pri1_drop_bcnt;
533 	u32	tx_pri2_drop_bcnt;
534 	u32	tx_pri3_drop_bcnt;
535 	u32	tx_pri4_drop_bcnt;
536 	u32	tx_pri5_drop_bcnt;
537 	u32	tx_pri6_drop_bcnt;
538 	u32	tx_pri7_drop_bcnt;
539 };
540 
541 #define GBENU_HW_STATS_REG_MAP_SZ	0x200
542 
543 struct gbe_ss_regs {
544 	u32	id_ver;
545 	u32	synce_count;
546 	u32	synce_mux;
547 };
548 
549 struct gbe_ss_regs_ofs {
550 	u16	id_ver;
551 	u16	control;
552 };
553 
554 struct gbe_switch_regs {
555 	u32	id_ver;
556 	u32	control;
557 	u32	soft_reset;
558 	u32	stat_port_en;
559 	u32	ptype;
560 	u32	soft_idle;
561 	u32	thru_rate;
562 	u32	gap_thresh;
563 	u32	tx_start_wds;
564 	u32	flow_control;
565 };
566 
567 struct gbe_switch_regs_ofs {
568 	u16	id_ver;
569 	u16	control;
570 	u16	soft_reset;
571 	u16	emcontrol;
572 	u16	stat_port_en;
573 	u16	ptype;
574 	u16	flow_control;
575 };
576 
577 struct gbe_port_regs {
578 	u32	max_blks;
579 	u32	blk_cnt;
580 	u32	port_vlan;
581 	u32	tx_pri_map;
582 	u32	sa_lo;
583 	u32	sa_hi;
584 	u32	ts_ctl;
585 	u32	ts_seq_ltype;
586 	u32	ts_vlan;
587 	u32	ts_ctl_ltype2;
588 	u32	ts_ctl2;
589 };
590 
591 struct gbe_port_regs_ofs {
592 	u16	port_vlan;
593 	u16	tx_pri_map;
594 	u16	sa_lo;
595 	u16	sa_hi;
596 	u16	ts_ctl;
597 	u16	ts_seq_ltype;
598 	u16	ts_vlan;
599 	u16	ts_ctl_ltype2;
600 	u16	ts_ctl2;
601 	u16	rx_maxlen;	/* 2U, NU */
602 };
603 
604 struct gbe_host_port_regs {
605 	u32	src_id;
606 	u32	port_vlan;
607 	u32	rx_pri_map;
608 	u32	rx_maxlen;
609 };
610 
611 struct gbe_host_port_regs_ofs {
612 	u16	port_vlan;
613 	u16	tx_pri_map;
614 	u16	rx_maxlen;
615 };
616 
617 struct gbe_emac_regs {
618 	u32	id_ver;
619 	u32	mac_control;
620 	u32	mac_status;
621 	u32	soft_reset;
622 	u32	rx_maxlen;
623 	u32	__reserved_0;
624 	u32	rx_pause;
625 	u32	tx_pause;
626 	u32	__reserved_1;
627 	u32	rx_pri_map;
628 	u32	rsvd[6];
629 };
630 
631 struct gbe_emac_regs_ofs {
632 	u16	mac_control;
633 	u16	soft_reset;
634 	u16	rx_maxlen;
635 };
636 
637 struct gbe_hw_stats {
638 	u32	rx_good_frames;
639 	u32	rx_broadcast_frames;
640 	u32	rx_multicast_frames;
641 	u32	rx_pause_frames;
642 	u32	rx_crc_errors;
643 	u32	rx_align_code_errors;
644 	u32	rx_oversized_frames;
645 	u32	rx_jabber_frames;
646 	u32	rx_undersized_frames;
647 	u32	rx_fragments;
648 	u32	__pad_0[2];
649 	u32	rx_bytes;
650 	u32	tx_good_frames;
651 	u32	tx_broadcast_frames;
652 	u32	tx_multicast_frames;
653 	u32	tx_pause_frames;
654 	u32	tx_deferred_frames;
655 	u32	tx_collision_frames;
656 	u32	tx_single_coll_frames;
657 	u32	tx_mult_coll_frames;
658 	u32	tx_excessive_collisions;
659 	u32	tx_late_collisions;
660 	u32	tx_underrun;
661 	u32	tx_carrier_sense_errors;
662 	u32	tx_bytes;
663 	u32	tx_64byte_frames;
664 	u32	tx_65_to_127byte_frames;
665 	u32	tx_128_to_255byte_frames;
666 	u32	tx_256_to_511byte_frames;
667 	u32	tx_512_to_1023byte_frames;
668 	u32	tx_1024byte_frames;
669 	u32	net_bytes;
670 	u32	rx_sof_overruns;
671 	u32	rx_mof_overruns;
672 	u32	rx_dma_overruns;
673 };
674 
675 #define GBE_MAX_HW_STAT_MODS			9
676 #define GBE_HW_STATS_REG_MAP_SZ			0x100
677 
678 struct ts_ctl {
679 	int     uni;
680 	u8      dst_port_map;
681 	u8      maddr_map;
682 	u8      ts_mcast_type;
683 };
684 
685 struct gbe_slave {
686 	void __iomem			*port_regs;
687 	void __iomem			*emac_regs;
688 	struct gbe_port_regs_ofs	port_regs_ofs;
689 	struct gbe_emac_regs_ofs	emac_regs_ofs;
690 	int				slave_num; /* 0 based logical number */
691 	int				port_num;  /* actual port number */
692 	atomic_t			link_state;
693 	bool				open;
694 	struct phy_device		*phy;
695 	u32				link_interface;
696 	u32				mac_control;
697 	u8				phy_port_t;
698 	struct device_node		*phy_node;
699 	struct ts_ctl                   ts_ctl;
700 	struct list_head		slave_list;
701 };
702 
703 struct gbe_priv {
704 	struct device			*dev;
705 	struct netcp_device		*netcp_device;
706 	struct timer_list		timer;
707 	u32				num_slaves;
708 	u32				ale_entries;
709 	u32				ale_ports;
710 	bool				enable_ale;
711 	u8				max_num_slaves;
712 	u8				max_num_ports; /* max_num_slaves + 1 */
713 	u8				num_stats_mods;
714 	struct netcp_tx_pipe		tx_pipe;
715 
716 	int				host_port;
717 	u32				rx_packet_max;
718 	u32				ss_version;
719 	u32				stats_en_mask;
720 
721 	void __iomem			*ss_regs;
722 	void __iomem			*switch_regs;
723 	void __iomem			*host_port_regs;
724 	void __iomem			*ale_reg;
725 	void __iomem                    *cpts_reg;
726 	void __iomem			*sgmii_port_regs;
727 	void __iomem			*sgmii_port34_regs;
728 	void __iomem			*xgbe_serdes_regs;
729 	void __iomem			*hw_stats_regs[GBE_MAX_HW_STAT_MODS];
730 
731 	struct gbe_ss_regs_ofs		ss_regs_ofs;
732 	struct gbe_switch_regs_ofs	switch_regs_ofs;
733 	struct gbe_host_port_regs_ofs	host_port_regs_ofs;
734 
735 	struct cpsw_ale			*ale;
736 	unsigned int			tx_queue_id;
737 	const char			*dma_chan_name;
738 
739 	struct list_head		gbe_intf_head;
740 	struct list_head		secondary_slaves;
741 	struct net_device		*dummy_ndev;
742 
743 	u64				*hw_stats;
744 	u32				*hw_stats_prev;
745 	const struct netcp_ethtool_stat *et_stats;
746 	int				num_et_stats;
747 	/*  Lock for updating the hwstats */
748 	spinlock_t			hw_stats_lock;
749 
750 	int                             cpts_registered;
751 	struct cpts                     *cpts;
752 };
753 
754 struct gbe_intf {
755 	struct net_device	*ndev;
756 	struct device		*dev;
757 	struct gbe_priv		*gbe_dev;
758 	struct netcp_tx_pipe	tx_pipe;
759 	struct gbe_slave	*slave;
760 	struct list_head	gbe_intf_list;
761 	unsigned long		active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
762 };
763 
764 static struct netcp_module gbe_module;
765 static struct netcp_module xgbe_module;
766 
767 /* Statistic management */
768 struct netcp_ethtool_stat {
769 	char desc[ETH_GSTRING_LEN];
770 	int type;
771 	u32 size;
772 	int offset;
773 };
774 
775 #define GBE_STATSA_INFO(field)						\
776 {									\
777 	"GBE_A:"#field, GBE_STATSA_MODULE,				\
778 	FIELD_SIZEOF(struct gbe_hw_stats, field),			\
779 	offsetof(struct gbe_hw_stats, field)				\
780 }
781 
782 #define GBE_STATSB_INFO(field)						\
783 {									\
784 	"GBE_B:"#field, GBE_STATSB_MODULE,				\
785 	FIELD_SIZEOF(struct gbe_hw_stats, field),			\
786 	offsetof(struct gbe_hw_stats, field)				\
787 }
788 
789 #define GBE_STATSC_INFO(field)						\
790 {									\
791 	"GBE_C:"#field, GBE_STATSC_MODULE,				\
792 	FIELD_SIZEOF(struct gbe_hw_stats, field),			\
793 	offsetof(struct gbe_hw_stats, field)				\
794 }
795 
796 #define GBE_STATSD_INFO(field)						\
797 {									\
798 	"GBE_D:"#field, GBE_STATSD_MODULE,				\
799 	FIELD_SIZEOF(struct gbe_hw_stats, field),			\
800 	offsetof(struct gbe_hw_stats, field)				\
801 }
802 
803 static const struct netcp_ethtool_stat gbe13_et_stats[] = {
804 	/* GBE module A */
805 	GBE_STATSA_INFO(rx_good_frames),
806 	GBE_STATSA_INFO(rx_broadcast_frames),
807 	GBE_STATSA_INFO(rx_multicast_frames),
808 	GBE_STATSA_INFO(rx_pause_frames),
809 	GBE_STATSA_INFO(rx_crc_errors),
810 	GBE_STATSA_INFO(rx_align_code_errors),
811 	GBE_STATSA_INFO(rx_oversized_frames),
812 	GBE_STATSA_INFO(rx_jabber_frames),
813 	GBE_STATSA_INFO(rx_undersized_frames),
814 	GBE_STATSA_INFO(rx_fragments),
815 	GBE_STATSA_INFO(rx_bytes),
816 	GBE_STATSA_INFO(tx_good_frames),
817 	GBE_STATSA_INFO(tx_broadcast_frames),
818 	GBE_STATSA_INFO(tx_multicast_frames),
819 	GBE_STATSA_INFO(tx_pause_frames),
820 	GBE_STATSA_INFO(tx_deferred_frames),
821 	GBE_STATSA_INFO(tx_collision_frames),
822 	GBE_STATSA_INFO(tx_single_coll_frames),
823 	GBE_STATSA_INFO(tx_mult_coll_frames),
824 	GBE_STATSA_INFO(tx_excessive_collisions),
825 	GBE_STATSA_INFO(tx_late_collisions),
826 	GBE_STATSA_INFO(tx_underrun),
827 	GBE_STATSA_INFO(tx_carrier_sense_errors),
828 	GBE_STATSA_INFO(tx_bytes),
829 	GBE_STATSA_INFO(tx_64byte_frames),
830 	GBE_STATSA_INFO(tx_65_to_127byte_frames),
831 	GBE_STATSA_INFO(tx_128_to_255byte_frames),
832 	GBE_STATSA_INFO(tx_256_to_511byte_frames),
833 	GBE_STATSA_INFO(tx_512_to_1023byte_frames),
834 	GBE_STATSA_INFO(tx_1024byte_frames),
835 	GBE_STATSA_INFO(net_bytes),
836 	GBE_STATSA_INFO(rx_sof_overruns),
837 	GBE_STATSA_INFO(rx_mof_overruns),
838 	GBE_STATSA_INFO(rx_dma_overruns),
839 	/* GBE module B */
840 	GBE_STATSB_INFO(rx_good_frames),
841 	GBE_STATSB_INFO(rx_broadcast_frames),
842 	GBE_STATSB_INFO(rx_multicast_frames),
843 	GBE_STATSB_INFO(rx_pause_frames),
844 	GBE_STATSB_INFO(rx_crc_errors),
845 	GBE_STATSB_INFO(rx_align_code_errors),
846 	GBE_STATSB_INFO(rx_oversized_frames),
847 	GBE_STATSB_INFO(rx_jabber_frames),
848 	GBE_STATSB_INFO(rx_undersized_frames),
849 	GBE_STATSB_INFO(rx_fragments),
850 	GBE_STATSB_INFO(rx_bytes),
851 	GBE_STATSB_INFO(tx_good_frames),
852 	GBE_STATSB_INFO(tx_broadcast_frames),
853 	GBE_STATSB_INFO(tx_multicast_frames),
854 	GBE_STATSB_INFO(tx_pause_frames),
855 	GBE_STATSB_INFO(tx_deferred_frames),
856 	GBE_STATSB_INFO(tx_collision_frames),
857 	GBE_STATSB_INFO(tx_single_coll_frames),
858 	GBE_STATSB_INFO(tx_mult_coll_frames),
859 	GBE_STATSB_INFO(tx_excessive_collisions),
860 	GBE_STATSB_INFO(tx_late_collisions),
861 	GBE_STATSB_INFO(tx_underrun),
862 	GBE_STATSB_INFO(tx_carrier_sense_errors),
863 	GBE_STATSB_INFO(tx_bytes),
864 	GBE_STATSB_INFO(tx_64byte_frames),
865 	GBE_STATSB_INFO(tx_65_to_127byte_frames),
866 	GBE_STATSB_INFO(tx_128_to_255byte_frames),
867 	GBE_STATSB_INFO(tx_256_to_511byte_frames),
868 	GBE_STATSB_INFO(tx_512_to_1023byte_frames),
869 	GBE_STATSB_INFO(tx_1024byte_frames),
870 	GBE_STATSB_INFO(net_bytes),
871 	GBE_STATSB_INFO(rx_sof_overruns),
872 	GBE_STATSB_INFO(rx_mof_overruns),
873 	GBE_STATSB_INFO(rx_dma_overruns),
874 	/* GBE module C */
875 	GBE_STATSC_INFO(rx_good_frames),
876 	GBE_STATSC_INFO(rx_broadcast_frames),
877 	GBE_STATSC_INFO(rx_multicast_frames),
878 	GBE_STATSC_INFO(rx_pause_frames),
879 	GBE_STATSC_INFO(rx_crc_errors),
880 	GBE_STATSC_INFO(rx_align_code_errors),
881 	GBE_STATSC_INFO(rx_oversized_frames),
882 	GBE_STATSC_INFO(rx_jabber_frames),
883 	GBE_STATSC_INFO(rx_undersized_frames),
884 	GBE_STATSC_INFO(rx_fragments),
885 	GBE_STATSC_INFO(rx_bytes),
886 	GBE_STATSC_INFO(tx_good_frames),
887 	GBE_STATSC_INFO(tx_broadcast_frames),
888 	GBE_STATSC_INFO(tx_multicast_frames),
889 	GBE_STATSC_INFO(tx_pause_frames),
890 	GBE_STATSC_INFO(tx_deferred_frames),
891 	GBE_STATSC_INFO(tx_collision_frames),
892 	GBE_STATSC_INFO(tx_single_coll_frames),
893 	GBE_STATSC_INFO(tx_mult_coll_frames),
894 	GBE_STATSC_INFO(tx_excessive_collisions),
895 	GBE_STATSC_INFO(tx_late_collisions),
896 	GBE_STATSC_INFO(tx_underrun),
897 	GBE_STATSC_INFO(tx_carrier_sense_errors),
898 	GBE_STATSC_INFO(tx_bytes),
899 	GBE_STATSC_INFO(tx_64byte_frames),
900 	GBE_STATSC_INFO(tx_65_to_127byte_frames),
901 	GBE_STATSC_INFO(tx_128_to_255byte_frames),
902 	GBE_STATSC_INFO(tx_256_to_511byte_frames),
903 	GBE_STATSC_INFO(tx_512_to_1023byte_frames),
904 	GBE_STATSC_INFO(tx_1024byte_frames),
905 	GBE_STATSC_INFO(net_bytes),
906 	GBE_STATSC_INFO(rx_sof_overruns),
907 	GBE_STATSC_INFO(rx_mof_overruns),
908 	GBE_STATSC_INFO(rx_dma_overruns),
909 	/* GBE module D */
910 	GBE_STATSD_INFO(rx_good_frames),
911 	GBE_STATSD_INFO(rx_broadcast_frames),
912 	GBE_STATSD_INFO(rx_multicast_frames),
913 	GBE_STATSD_INFO(rx_pause_frames),
914 	GBE_STATSD_INFO(rx_crc_errors),
915 	GBE_STATSD_INFO(rx_align_code_errors),
916 	GBE_STATSD_INFO(rx_oversized_frames),
917 	GBE_STATSD_INFO(rx_jabber_frames),
918 	GBE_STATSD_INFO(rx_undersized_frames),
919 	GBE_STATSD_INFO(rx_fragments),
920 	GBE_STATSD_INFO(rx_bytes),
921 	GBE_STATSD_INFO(tx_good_frames),
922 	GBE_STATSD_INFO(tx_broadcast_frames),
923 	GBE_STATSD_INFO(tx_multicast_frames),
924 	GBE_STATSD_INFO(tx_pause_frames),
925 	GBE_STATSD_INFO(tx_deferred_frames),
926 	GBE_STATSD_INFO(tx_collision_frames),
927 	GBE_STATSD_INFO(tx_single_coll_frames),
928 	GBE_STATSD_INFO(tx_mult_coll_frames),
929 	GBE_STATSD_INFO(tx_excessive_collisions),
930 	GBE_STATSD_INFO(tx_late_collisions),
931 	GBE_STATSD_INFO(tx_underrun),
932 	GBE_STATSD_INFO(tx_carrier_sense_errors),
933 	GBE_STATSD_INFO(tx_bytes),
934 	GBE_STATSD_INFO(tx_64byte_frames),
935 	GBE_STATSD_INFO(tx_65_to_127byte_frames),
936 	GBE_STATSD_INFO(tx_128_to_255byte_frames),
937 	GBE_STATSD_INFO(tx_256_to_511byte_frames),
938 	GBE_STATSD_INFO(tx_512_to_1023byte_frames),
939 	GBE_STATSD_INFO(tx_1024byte_frames),
940 	GBE_STATSD_INFO(net_bytes),
941 	GBE_STATSD_INFO(rx_sof_overruns),
942 	GBE_STATSD_INFO(rx_mof_overruns),
943 	GBE_STATSD_INFO(rx_dma_overruns),
944 };
945 
946 /* This is the size of entries in GBENU_STATS_HOST */
947 #define GBENU_ET_STATS_HOST_SIZE	52
948 
949 #define GBENU_STATS_HOST(field)					\
950 {								\
951 	"GBE_HOST:"#field, GBENU_STATS0_MODULE,			\
952 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
953 	offsetof(struct gbenu_hw_stats, field)			\
954 }
955 
956 /* This is the size of entries in GBENU_STATS_PORT */
957 #define GBENU_ET_STATS_PORT_SIZE	65
958 
959 #define GBENU_STATS_P1(field)					\
960 {								\
961 	"GBE_P1:"#field, GBENU_STATS1_MODULE,			\
962 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
963 	offsetof(struct gbenu_hw_stats, field)			\
964 }
965 
966 #define GBENU_STATS_P2(field)					\
967 {								\
968 	"GBE_P2:"#field, GBENU_STATS2_MODULE,			\
969 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
970 	offsetof(struct gbenu_hw_stats, field)			\
971 }
972 
973 #define GBENU_STATS_P3(field)					\
974 {								\
975 	"GBE_P3:"#field, GBENU_STATS3_MODULE,			\
976 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
977 	offsetof(struct gbenu_hw_stats, field)			\
978 }
979 
980 #define GBENU_STATS_P4(field)					\
981 {								\
982 	"GBE_P4:"#field, GBENU_STATS4_MODULE,			\
983 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
984 	offsetof(struct gbenu_hw_stats, field)			\
985 }
986 
987 #define GBENU_STATS_P5(field)					\
988 {								\
989 	"GBE_P5:"#field, GBENU_STATS5_MODULE,			\
990 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
991 	offsetof(struct gbenu_hw_stats, field)			\
992 }
993 
994 #define GBENU_STATS_P6(field)					\
995 {								\
996 	"GBE_P6:"#field, GBENU_STATS6_MODULE,			\
997 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
998 	offsetof(struct gbenu_hw_stats, field)			\
999 }
1000 
1001 #define GBENU_STATS_P7(field)					\
1002 {								\
1003 	"GBE_P7:"#field, GBENU_STATS7_MODULE,			\
1004 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
1005 	offsetof(struct gbenu_hw_stats, field)			\
1006 }
1007 
1008 #define GBENU_STATS_P8(field)					\
1009 {								\
1010 	"GBE_P8:"#field, GBENU_STATS8_MODULE,			\
1011 	FIELD_SIZEOF(struct gbenu_hw_stats, field),		\
1012 	offsetof(struct gbenu_hw_stats, field)			\
1013 }
1014 
1015 static const struct netcp_ethtool_stat gbenu_et_stats[] = {
1016 	/* GBENU Host Module */
1017 	GBENU_STATS_HOST(rx_good_frames),
1018 	GBENU_STATS_HOST(rx_broadcast_frames),
1019 	GBENU_STATS_HOST(rx_multicast_frames),
1020 	GBENU_STATS_HOST(rx_crc_errors),
1021 	GBENU_STATS_HOST(rx_oversized_frames),
1022 	GBENU_STATS_HOST(rx_undersized_frames),
1023 	GBENU_STATS_HOST(ale_drop),
1024 	GBENU_STATS_HOST(ale_overrun_drop),
1025 	GBENU_STATS_HOST(rx_bytes),
1026 	GBENU_STATS_HOST(tx_good_frames),
1027 	GBENU_STATS_HOST(tx_broadcast_frames),
1028 	GBENU_STATS_HOST(tx_multicast_frames),
1029 	GBENU_STATS_HOST(tx_bytes),
1030 	GBENU_STATS_HOST(tx_64B_frames),
1031 	GBENU_STATS_HOST(tx_65_to_127B_frames),
1032 	GBENU_STATS_HOST(tx_128_to_255B_frames),
1033 	GBENU_STATS_HOST(tx_256_to_511B_frames),
1034 	GBENU_STATS_HOST(tx_512_to_1023B_frames),
1035 	GBENU_STATS_HOST(tx_1024B_frames),
1036 	GBENU_STATS_HOST(net_bytes),
1037 	GBENU_STATS_HOST(rx_bottom_fifo_drop),
1038 	GBENU_STATS_HOST(rx_port_mask_drop),
1039 	GBENU_STATS_HOST(rx_top_fifo_drop),
1040 	GBENU_STATS_HOST(ale_rate_limit_drop),
1041 	GBENU_STATS_HOST(ale_vid_ingress_drop),
1042 	GBENU_STATS_HOST(ale_da_eq_sa_drop),
1043 	GBENU_STATS_HOST(ale_unknown_ucast),
1044 	GBENU_STATS_HOST(ale_unknown_ucast_bytes),
1045 	GBENU_STATS_HOST(ale_unknown_mcast),
1046 	GBENU_STATS_HOST(ale_unknown_mcast_bytes),
1047 	GBENU_STATS_HOST(ale_unknown_bcast),
1048 	GBENU_STATS_HOST(ale_unknown_bcast_bytes),
1049 	GBENU_STATS_HOST(ale_pol_match),
1050 	GBENU_STATS_HOST(ale_pol_match_red),
1051 	GBENU_STATS_HOST(ale_pol_match_yellow),
1052 	GBENU_STATS_HOST(tx_mem_protect_err),
1053 	GBENU_STATS_HOST(tx_pri0_drop),
1054 	GBENU_STATS_HOST(tx_pri1_drop),
1055 	GBENU_STATS_HOST(tx_pri2_drop),
1056 	GBENU_STATS_HOST(tx_pri3_drop),
1057 	GBENU_STATS_HOST(tx_pri4_drop),
1058 	GBENU_STATS_HOST(tx_pri5_drop),
1059 	GBENU_STATS_HOST(tx_pri6_drop),
1060 	GBENU_STATS_HOST(tx_pri7_drop),
1061 	GBENU_STATS_HOST(tx_pri0_drop_bcnt),
1062 	GBENU_STATS_HOST(tx_pri1_drop_bcnt),
1063 	GBENU_STATS_HOST(tx_pri2_drop_bcnt),
1064 	GBENU_STATS_HOST(tx_pri3_drop_bcnt),
1065 	GBENU_STATS_HOST(tx_pri4_drop_bcnt),
1066 	GBENU_STATS_HOST(tx_pri5_drop_bcnt),
1067 	GBENU_STATS_HOST(tx_pri6_drop_bcnt),
1068 	GBENU_STATS_HOST(tx_pri7_drop_bcnt),
1069 	/* GBENU Module 1 */
1070 	GBENU_STATS_P1(rx_good_frames),
1071 	GBENU_STATS_P1(rx_broadcast_frames),
1072 	GBENU_STATS_P1(rx_multicast_frames),
1073 	GBENU_STATS_P1(rx_pause_frames),
1074 	GBENU_STATS_P1(rx_crc_errors),
1075 	GBENU_STATS_P1(rx_align_code_errors),
1076 	GBENU_STATS_P1(rx_oversized_frames),
1077 	GBENU_STATS_P1(rx_jabber_frames),
1078 	GBENU_STATS_P1(rx_undersized_frames),
1079 	GBENU_STATS_P1(rx_fragments),
1080 	GBENU_STATS_P1(ale_drop),
1081 	GBENU_STATS_P1(ale_overrun_drop),
1082 	GBENU_STATS_P1(rx_bytes),
1083 	GBENU_STATS_P1(tx_good_frames),
1084 	GBENU_STATS_P1(tx_broadcast_frames),
1085 	GBENU_STATS_P1(tx_multicast_frames),
1086 	GBENU_STATS_P1(tx_pause_frames),
1087 	GBENU_STATS_P1(tx_deferred_frames),
1088 	GBENU_STATS_P1(tx_collision_frames),
1089 	GBENU_STATS_P1(tx_single_coll_frames),
1090 	GBENU_STATS_P1(tx_mult_coll_frames),
1091 	GBENU_STATS_P1(tx_excessive_collisions),
1092 	GBENU_STATS_P1(tx_late_collisions),
1093 	GBENU_STATS_P1(rx_ipg_error),
1094 	GBENU_STATS_P1(tx_carrier_sense_errors),
1095 	GBENU_STATS_P1(tx_bytes),
1096 	GBENU_STATS_P1(tx_64B_frames),
1097 	GBENU_STATS_P1(tx_65_to_127B_frames),
1098 	GBENU_STATS_P1(tx_128_to_255B_frames),
1099 	GBENU_STATS_P1(tx_256_to_511B_frames),
1100 	GBENU_STATS_P1(tx_512_to_1023B_frames),
1101 	GBENU_STATS_P1(tx_1024B_frames),
1102 	GBENU_STATS_P1(net_bytes),
1103 	GBENU_STATS_P1(rx_bottom_fifo_drop),
1104 	GBENU_STATS_P1(rx_port_mask_drop),
1105 	GBENU_STATS_P1(rx_top_fifo_drop),
1106 	GBENU_STATS_P1(ale_rate_limit_drop),
1107 	GBENU_STATS_P1(ale_vid_ingress_drop),
1108 	GBENU_STATS_P1(ale_da_eq_sa_drop),
1109 	GBENU_STATS_P1(ale_unknown_ucast),
1110 	GBENU_STATS_P1(ale_unknown_ucast_bytes),
1111 	GBENU_STATS_P1(ale_unknown_mcast),
1112 	GBENU_STATS_P1(ale_unknown_mcast_bytes),
1113 	GBENU_STATS_P1(ale_unknown_bcast),
1114 	GBENU_STATS_P1(ale_unknown_bcast_bytes),
1115 	GBENU_STATS_P1(ale_pol_match),
1116 	GBENU_STATS_P1(ale_pol_match_red),
1117 	GBENU_STATS_P1(ale_pol_match_yellow),
1118 	GBENU_STATS_P1(tx_mem_protect_err),
1119 	GBENU_STATS_P1(tx_pri0_drop),
1120 	GBENU_STATS_P1(tx_pri1_drop),
1121 	GBENU_STATS_P1(tx_pri2_drop),
1122 	GBENU_STATS_P1(tx_pri3_drop),
1123 	GBENU_STATS_P1(tx_pri4_drop),
1124 	GBENU_STATS_P1(tx_pri5_drop),
1125 	GBENU_STATS_P1(tx_pri6_drop),
1126 	GBENU_STATS_P1(tx_pri7_drop),
1127 	GBENU_STATS_P1(tx_pri0_drop_bcnt),
1128 	GBENU_STATS_P1(tx_pri1_drop_bcnt),
1129 	GBENU_STATS_P1(tx_pri2_drop_bcnt),
1130 	GBENU_STATS_P1(tx_pri3_drop_bcnt),
1131 	GBENU_STATS_P1(tx_pri4_drop_bcnt),
1132 	GBENU_STATS_P1(tx_pri5_drop_bcnt),
1133 	GBENU_STATS_P1(tx_pri6_drop_bcnt),
1134 	GBENU_STATS_P1(tx_pri7_drop_bcnt),
1135 	/* GBENU Module 2 */
1136 	GBENU_STATS_P2(rx_good_frames),
1137 	GBENU_STATS_P2(rx_broadcast_frames),
1138 	GBENU_STATS_P2(rx_multicast_frames),
1139 	GBENU_STATS_P2(rx_pause_frames),
1140 	GBENU_STATS_P2(rx_crc_errors),
1141 	GBENU_STATS_P2(rx_align_code_errors),
1142 	GBENU_STATS_P2(rx_oversized_frames),
1143 	GBENU_STATS_P2(rx_jabber_frames),
1144 	GBENU_STATS_P2(rx_undersized_frames),
1145 	GBENU_STATS_P2(rx_fragments),
1146 	GBENU_STATS_P2(ale_drop),
1147 	GBENU_STATS_P2(ale_overrun_drop),
1148 	GBENU_STATS_P2(rx_bytes),
1149 	GBENU_STATS_P2(tx_good_frames),
1150 	GBENU_STATS_P2(tx_broadcast_frames),
1151 	GBENU_STATS_P2(tx_multicast_frames),
1152 	GBENU_STATS_P2(tx_pause_frames),
1153 	GBENU_STATS_P2(tx_deferred_frames),
1154 	GBENU_STATS_P2(tx_collision_frames),
1155 	GBENU_STATS_P2(tx_single_coll_frames),
1156 	GBENU_STATS_P2(tx_mult_coll_frames),
1157 	GBENU_STATS_P2(tx_excessive_collisions),
1158 	GBENU_STATS_P2(tx_late_collisions),
1159 	GBENU_STATS_P2(rx_ipg_error),
1160 	GBENU_STATS_P2(tx_carrier_sense_errors),
1161 	GBENU_STATS_P2(tx_bytes),
1162 	GBENU_STATS_P2(tx_64B_frames),
1163 	GBENU_STATS_P2(tx_65_to_127B_frames),
1164 	GBENU_STATS_P2(tx_128_to_255B_frames),
1165 	GBENU_STATS_P2(tx_256_to_511B_frames),
1166 	GBENU_STATS_P2(tx_512_to_1023B_frames),
1167 	GBENU_STATS_P2(tx_1024B_frames),
1168 	GBENU_STATS_P2(net_bytes),
1169 	GBENU_STATS_P2(rx_bottom_fifo_drop),
1170 	GBENU_STATS_P2(rx_port_mask_drop),
1171 	GBENU_STATS_P2(rx_top_fifo_drop),
1172 	GBENU_STATS_P2(ale_rate_limit_drop),
1173 	GBENU_STATS_P2(ale_vid_ingress_drop),
1174 	GBENU_STATS_P2(ale_da_eq_sa_drop),
1175 	GBENU_STATS_P2(ale_unknown_ucast),
1176 	GBENU_STATS_P2(ale_unknown_ucast_bytes),
1177 	GBENU_STATS_P2(ale_unknown_mcast),
1178 	GBENU_STATS_P2(ale_unknown_mcast_bytes),
1179 	GBENU_STATS_P2(ale_unknown_bcast),
1180 	GBENU_STATS_P2(ale_unknown_bcast_bytes),
1181 	GBENU_STATS_P2(ale_pol_match),
1182 	GBENU_STATS_P2(ale_pol_match_red),
1183 	GBENU_STATS_P2(ale_pol_match_yellow),
1184 	GBENU_STATS_P2(tx_mem_protect_err),
1185 	GBENU_STATS_P2(tx_pri0_drop),
1186 	GBENU_STATS_P2(tx_pri1_drop),
1187 	GBENU_STATS_P2(tx_pri2_drop),
1188 	GBENU_STATS_P2(tx_pri3_drop),
1189 	GBENU_STATS_P2(tx_pri4_drop),
1190 	GBENU_STATS_P2(tx_pri5_drop),
1191 	GBENU_STATS_P2(tx_pri6_drop),
1192 	GBENU_STATS_P2(tx_pri7_drop),
1193 	GBENU_STATS_P2(tx_pri0_drop_bcnt),
1194 	GBENU_STATS_P2(tx_pri1_drop_bcnt),
1195 	GBENU_STATS_P2(tx_pri2_drop_bcnt),
1196 	GBENU_STATS_P2(tx_pri3_drop_bcnt),
1197 	GBENU_STATS_P2(tx_pri4_drop_bcnt),
1198 	GBENU_STATS_P2(tx_pri5_drop_bcnt),
1199 	GBENU_STATS_P2(tx_pri6_drop_bcnt),
1200 	GBENU_STATS_P2(tx_pri7_drop_bcnt),
1201 	/* GBENU Module 3 */
1202 	GBENU_STATS_P3(rx_good_frames),
1203 	GBENU_STATS_P3(rx_broadcast_frames),
1204 	GBENU_STATS_P3(rx_multicast_frames),
1205 	GBENU_STATS_P3(rx_pause_frames),
1206 	GBENU_STATS_P3(rx_crc_errors),
1207 	GBENU_STATS_P3(rx_align_code_errors),
1208 	GBENU_STATS_P3(rx_oversized_frames),
1209 	GBENU_STATS_P3(rx_jabber_frames),
1210 	GBENU_STATS_P3(rx_undersized_frames),
1211 	GBENU_STATS_P3(rx_fragments),
1212 	GBENU_STATS_P3(ale_drop),
1213 	GBENU_STATS_P3(ale_overrun_drop),
1214 	GBENU_STATS_P3(rx_bytes),
1215 	GBENU_STATS_P3(tx_good_frames),
1216 	GBENU_STATS_P3(tx_broadcast_frames),
1217 	GBENU_STATS_P3(tx_multicast_frames),
1218 	GBENU_STATS_P3(tx_pause_frames),
1219 	GBENU_STATS_P3(tx_deferred_frames),
1220 	GBENU_STATS_P3(tx_collision_frames),
1221 	GBENU_STATS_P3(tx_single_coll_frames),
1222 	GBENU_STATS_P3(tx_mult_coll_frames),
1223 	GBENU_STATS_P3(tx_excessive_collisions),
1224 	GBENU_STATS_P3(tx_late_collisions),
1225 	GBENU_STATS_P3(rx_ipg_error),
1226 	GBENU_STATS_P3(tx_carrier_sense_errors),
1227 	GBENU_STATS_P3(tx_bytes),
1228 	GBENU_STATS_P3(tx_64B_frames),
1229 	GBENU_STATS_P3(tx_65_to_127B_frames),
1230 	GBENU_STATS_P3(tx_128_to_255B_frames),
1231 	GBENU_STATS_P3(tx_256_to_511B_frames),
1232 	GBENU_STATS_P3(tx_512_to_1023B_frames),
1233 	GBENU_STATS_P3(tx_1024B_frames),
1234 	GBENU_STATS_P3(net_bytes),
1235 	GBENU_STATS_P3(rx_bottom_fifo_drop),
1236 	GBENU_STATS_P3(rx_port_mask_drop),
1237 	GBENU_STATS_P3(rx_top_fifo_drop),
1238 	GBENU_STATS_P3(ale_rate_limit_drop),
1239 	GBENU_STATS_P3(ale_vid_ingress_drop),
1240 	GBENU_STATS_P3(ale_da_eq_sa_drop),
1241 	GBENU_STATS_P3(ale_unknown_ucast),
1242 	GBENU_STATS_P3(ale_unknown_ucast_bytes),
1243 	GBENU_STATS_P3(ale_unknown_mcast),
1244 	GBENU_STATS_P3(ale_unknown_mcast_bytes),
1245 	GBENU_STATS_P3(ale_unknown_bcast),
1246 	GBENU_STATS_P3(ale_unknown_bcast_bytes),
1247 	GBENU_STATS_P3(ale_pol_match),
1248 	GBENU_STATS_P3(ale_pol_match_red),
1249 	GBENU_STATS_P3(ale_pol_match_yellow),
1250 	GBENU_STATS_P3(tx_mem_protect_err),
1251 	GBENU_STATS_P3(tx_pri0_drop),
1252 	GBENU_STATS_P3(tx_pri1_drop),
1253 	GBENU_STATS_P3(tx_pri2_drop),
1254 	GBENU_STATS_P3(tx_pri3_drop),
1255 	GBENU_STATS_P3(tx_pri4_drop),
1256 	GBENU_STATS_P3(tx_pri5_drop),
1257 	GBENU_STATS_P3(tx_pri6_drop),
1258 	GBENU_STATS_P3(tx_pri7_drop),
1259 	GBENU_STATS_P3(tx_pri0_drop_bcnt),
1260 	GBENU_STATS_P3(tx_pri1_drop_bcnt),
1261 	GBENU_STATS_P3(tx_pri2_drop_bcnt),
1262 	GBENU_STATS_P3(tx_pri3_drop_bcnt),
1263 	GBENU_STATS_P3(tx_pri4_drop_bcnt),
1264 	GBENU_STATS_P3(tx_pri5_drop_bcnt),
1265 	GBENU_STATS_P3(tx_pri6_drop_bcnt),
1266 	GBENU_STATS_P3(tx_pri7_drop_bcnt),
1267 	/* GBENU Module 4 */
1268 	GBENU_STATS_P4(rx_good_frames),
1269 	GBENU_STATS_P4(rx_broadcast_frames),
1270 	GBENU_STATS_P4(rx_multicast_frames),
1271 	GBENU_STATS_P4(rx_pause_frames),
1272 	GBENU_STATS_P4(rx_crc_errors),
1273 	GBENU_STATS_P4(rx_align_code_errors),
1274 	GBENU_STATS_P4(rx_oversized_frames),
1275 	GBENU_STATS_P4(rx_jabber_frames),
1276 	GBENU_STATS_P4(rx_undersized_frames),
1277 	GBENU_STATS_P4(rx_fragments),
1278 	GBENU_STATS_P4(ale_drop),
1279 	GBENU_STATS_P4(ale_overrun_drop),
1280 	GBENU_STATS_P4(rx_bytes),
1281 	GBENU_STATS_P4(tx_good_frames),
1282 	GBENU_STATS_P4(tx_broadcast_frames),
1283 	GBENU_STATS_P4(tx_multicast_frames),
1284 	GBENU_STATS_P4(tx_pause_frames),
1285 	GBENU_STATS_P4(tx_deferred_frames),
1286 	GBENU_STATS_P4(tx_collision_frames),
1287 	GBENU_STATS_P4(tx_single_coll_frames),
1288 	GBENU_STATS_P4(tx_mult_coll_frames),
1289 	GBENU_STATS_P4(tx_excessive_collisions),
1290 	GBENU_STATS_P4(tx_late_collisions),
1291 	GBENU_STATS_P4(rx_ipg_error),
1292 	GBENU_STATS_P4(tx_carrier_sense_errors),
1293 	GBENU_STATS_P4(tx_bytes),
1294 	GBENU_STATS_P4(tx_64B_frames),
1295 	GBENU_STATS_P4(tx_65_to_127B_frames),
1296 	GBENU_STATS_P4(tx_128_to_255B_frames),
1297 	GBENU_STATS_P4(tx_256_to_511B_frames),
1298 	GBENU_STATS_P4(tx_512_to_1023B_frames),
1299 	GBENU_STATS_P4(tx_1024B_frames),
1300 	GBENU_STATS_P4(net_bytes),
1301 	GBENU_STATS_P4(rx_bottom_fifo_drop),
1302 	GBENU_STATS_P4(rx_port_mask_drop),
1303 	GBENU_STATS_P4(rx_top_fifo_drop),
1304 	GBENU_STATS_P4(ale_rate_limit_drop),
1305 	GBENU_STATS_P4(ale_vid_ingress_drop),
1306 	GBENU_STATS_P4(ale_da_eq_sa_drop),
1307 	GBENU_STATS_P4(ale_unknown_ucast),
1308 	GBENU_STATS_P4(ale_unknown_ucast_bytes),
1309 	GBENU_STATS_P4(ale_unknown_mcast),
1310 	GBENU_STATS_P4(ale_unknown_mcast_bytes),
1311 	GBENU_STATS_P4(ale_unknown_bcast),
1312 	GBENU_STATS_P4(ale_unknown_bcast_bytes),
1313 	GBENU_STATS_P4(ale_pol_match),
1314 	GBENU_STATS_P4(ale_pol_match_red),
1315 	GBENU_STATS_P4(ale_pol_match_yellow),
1316 	GBENU_STATS_P4(tx_mem_protect_err),
1317 	GBENU_STATS_P4(tx_pri0_drop),
1318 	GBENU_STATS_P4(tx_pri1_drop),
1319 	GBENU_STATS_P4(tx_pri2_drop),
1320 	GBENU_STATS_P4(tx_pri3_drop),
1321 	GBENU_STATS_P4(tx_pri4_drop),
1322 	GBENU_STATS_P4(tx_pri5_drop),
1323 	GBENU_STATS_P4(tx_pri6_drop),
1324 	GBENU_STATS_P4(tx_pri7_drop),
1325 	GBENU_STATS_P4(tx_pri0_drop_bcnt),
1326 	GBENU_STATS_P4(tx_pri1_drop_bcnt),
1327 	GBENU_STATS_P4(tx_pri2_drop_bcnt),
1328 	GBENU_STATS_P4(tx_pri3_drop_bcnt),
1329 	GBENU_STATS_P4(tx_pri4_drop_bcnt),
1330 	GBENU_STATS_P4(tx_pri5_drop_bcnt),
1331 	GBENU_STATS_P4(tx_pri6_drop_bcnt),
1332 	GBENU_STATS_P4(tx_pri7_drop_bcnt),
1333 	/* GBENU Module 5 */
1334 	GBENU_STATS_P5(rx_good_frames),
1335 	GBENU_STATS_P5(rx_broadcast_frames),
1336 	GBENU_STATS_P5(rx_multicast_frames),
1337 	GBENU_STATS_P5(rx_pause_frames),
1338 	GBENU_STATS_P5(rx_crc_errors),
1339 	GBENU_STATS_P5(rx_align_code_errors),
1340 	GBENU_STATS_P5(rx_oversized_frames),
1341 	GBENU_STATS_P5(rx_jabber_frames),
1342 	GBENU_STATS_P5(rx_undersized_frames),
1343 	GBENU_STATS_P5(rx_fragments),
1344 	GBENU_STATS_P5(ale_drop),
1345 	GBENU_STATS_P5(ale_overrun_drop),
1346 	GBENU_STATS_P5(rx_bytes),
1347 	GBENU_STATS_P5(tx_good_frames),
1348 	GBENU_STATS_P5(tx_broadcast_frames),
1349 	GBENU_STATS_P5(tx_multicast_frames),
1350 	GBENU_STATS_P5(tx_pause_frames),
1351 	GBENU_STATS_P5(tx_deferred_frames),
1352 	GBENU_STATS_P5(tx_collision_frames),
1353 	GBENU_STATS_P5(tx_single_coll_frames),
1354 	GBENU_STATS_P5(tx_mult_coll_frames),
1355 	GBENU_STATS_P5(tx_excessive_collisions),
1356 	GBENU_STATS_P5(tx_late_collisions),
1357 	GBENU_STATS_P5(rx_ipg_error),
1358 	GBENU_STATS_P5(tx_carrier_sense_errors),
1359 	GBENU_STATS_P5(tx_bytes),
1360 	GBENU_STATS_P5(tx_64B_frames),
1361 	GBENU_STATS_P5(tx_65_to_127B_frames),
1362 	GBENU_STATS_P5(tx_128_to_255B_frames),
1363 	GBENU_STATS_P5(tx_256_to_511B_frames),
1364 	GBENU_STATS_P5(tx_512_to_1023B_frames),
1365 	GBENU_STATS_P5(tx_1024B_frames),
1366 	GBENU_STATS_P5(net_bytes),
1367 	GBENU_STATS_P5(rx_bottom_fifo_drop),
1368 	GBENU_STATS_P5(rx_port_mask_drop),
1369 	GBENU_STATS_P5(rx_top_fifo_drop),
1370 	GBENU_STATS_P5(ale_rate_limit_drop),
1371 	GBENU_STATS_P5(ale_vid_ingress_drop),
1372 	GBENU_STATS_P5(ale_da_eq_sa_drop),
1373 	GBENU_STATS_P5(ale_unknown_ucast),
1374 	GBENU_STATS_P5(ale_unknown_ucast_bytes),
1375 	GBENU_STATS_P5(ale_unknown_mcast),
1376 	GBENU_STATS_P5(ale_unknown_mcast_bytes),
1377 	GBENU_STATS_P5(ale_unknown_bcast),
1378 	GBENU_STATS_P5(ale_unknown_bcast_bytes),
1379 	GBENU_STATS_P5(ale_pol_match),
1380 	GBENU_STATS_P5(ale_pol_match_red),
1381 	GBENU_STATS_P5(ale_pol_match_yellow),
1382 	GBENU_STATS_P5(tx_mem_protect_err),
1383 	GBENU_STATS_P5(tx_pri0_drop),
1384 	GBENU_STATS_P5(tx_pri1_drop),
1385 	GBENU_STATS_P5(tx_pri2_drop),
1386 	GBENU_STATS_P5(tx_pri3_drop),
1387 	GBENU_STATS_P5(tx_pri4_drop),
1388 	GBENU_STATS_P5(tx_pri5_drop),
1389 	GBENU_STATS_P5(tx_pri6_drop),
1390 	GBENU_STATS_P5(tx_pri7_drop),
1391 	GBENU_STATS_P5(tx_pri0_drop_bcnt),
1392 	GBENU_STATS_P5(tx_pri1_drop_bcnt),
1393 	GBENU_STATS_P5(tx_pri2_drop_bcnt),
1394 	GBENU_STATS_P5(tx_pri3_drop_bcnt),
1395 	GBENU_STATS_P5(tx_pri4_drop_bcnt),
1396 	GBENU_STATS_P5(tx_pri5_drop_bcnt),
1397 	GBENU_STATS_P5(tx_pri6_drop_bcnt),
1398 	GBENU_STATS_P5(tx_pri7_drop_bcnt),
1399 	/* GBENU Module 6 */
1400 	GBENU_STATS_P6(rx_good_frames),
1401 	GBENU_STATS_P6(rx_broadcast_frames),
1402 	GBENU_STATS_P6(rx_multicast_frames),
1403 	GBENU_STATS_P6(rx_pause_frames),
1404 	GBENU_STATS_P6(rx_crc_errors),
1405 	GBENU_STATS_P6(rx_align_code_errors),
1406 	GBENU_STATS_P6(rx_oversized_frames),
1407 	GBENU_STATS_P6(rx_jabber_frames),
1408 	GBENU_STATS_P6(rx_undersized_frames),
1409 	GBENU_STATS_P6(rx_fragments),
1410 	GBENU_STATS_P6(ale_drop),
1411 	GBENU_STATS_P6(ale_overrun_drop),
1412 	GBENU_STATS_P6(rx_bytes),
1413 	GBENU_STATS_P6(tx_good_frames),
1414 	GBENU_STATS_P6(tx_broadcast_frames),
1415 	GBENU_STATS_P6(tx_multicast_frames),
1416 	GBENU_STATS_P6(tx_pause_frames),
1417 	GBENU_STATS_P6(tx_deferred_frames),
1418 	GBENU_STATS_P6(tx_collision_frames),
1419 	GBENU_STATS_P6(tx_single_coll_frames),
1420 	GBENU_STATS_P6(tx_mult_coll_frames),
1421 	GBENU_STATS_P6(tx_excessive_collisions),
1422 	GBENU_STATS_P6(tx_late_collisions),
1423 	GBENU_STATS_P6(rx_ipg_error),
1424 	GBENU_STATS_P6(tx_carrier_sense_errors),
1425 	GBENU_STATS_P6(tx_bytes),
1426 	GBENU_STATS_P6(tx_64B_frames),
1427 	GBENU_STATS_P6(tx_65_to_127B_frames),
1428 	GBENU_STATS_P6(tx_128_to_255B_frames),
1429 	GBENU_STATS_P6(tx_256_to_511B_frames),
1430 	GBENU_STATS_P6(tx_512_to_1023B_frames),
1431 	GBENU_STATS_P6(tx_1024B_frames),
1432 	GBENU_STATS_P6(net_bytes),
1433 	GBENU_STATS_P6(rx_bottom_fifo_drop),
1434 	GBENU_STATS_P6(rx_port_mask_drop),
1435 	GBENU_STATS_P6(rx_top_fifo_drop),
1436 	GBENU_STATS_P6(ale_rate_limit_drop),
1437 	GBENU_STATS_P6(ale_vid_ingress_drop),
1438 	GBENU_STATS_P6(ale_da_eq_sa_drop),
1439 	GBENU_STATS_P6(ale_unknown_ucast),
1440 	GBENU_STATS_P6(ale_unknown_ucast_bytes),
1441 	GBENU_STATS_P6(ale_unknown_mcast),
1442 	GBENU_STATS_P6(ale_unknown_mcast_bytes),
1443 	GBENU_STATS_P6(ale_unknown_bcast),
1444 	GBENU_STATS_P6(ale_unknown_bcast_bytes),
1445 	GBENU_STATS_P6(ale_pol_match),
1446 	GBENU_STATS_P6(ale_pol_match_red),
1447 	GBENU_STATS_P6(ale_pol_match_yellow),
1448 	GBENU_STATS_P6(tx_mem_protect_err),
1449 	GBENU_STATS_P6(tx_pri0_drop),
1450 	GBENU_STATS_P6(tx_pri1_drop),
1451 	GBENU_STATS_P6(tx_pri2_drop),
1452 	GBENU_STATS_P6(tx_pri3_drop),
1453 	GBENU_STATS_P6(tx_pri4_drop),
1454 	GBENU_STATS_P6(tx_pri5_drop),
1455 	GBENU_STATS_P6(tx_pri6_drop),
1456 	GBENU_STATS_P6(tx_pri7_drop),
1457 	GBENU_STATS_P6(tx_pri0_drop_bcnt),
1458 	GBENU_STATS_P6(tx_pri1_drop_bcnt),
1459 	GBENU_STATS_P6(tx_pri2_drop_bcnt),
1460 	GBENU_STATS_P6(tx_pri3_drop_bcnt),
1461 	GBENU_STATS_P6(tx_pri4_drop_bcnt),
1462 	GBENU_STATS_P6(tx_pri5_drop_bcnt),
1463 	GBENU_STATS_P6(tx_pri6_drop_bcnt),
1464 	GBENU_STATS_P6(tx_pri7_drop_bcnt),
1465 	/* GBENU Module 7 */
1466 	GBENU_STATS_P7(rx_good_frames),
1467 	GBENU_STATS_P7(rx_broadcast_frames),
1468 	GBENU_STATS_P7(rx_multicast_frames),
1469 	GBENU_STATS_P7(rx_pause_frames),
1470 	GBENU_STATS_P7(rx_crc_errors),
1471 	GBENU_STATS_P7(rx_align_code_errors),
1472 	GBENU_STATS_P7(rx_oversized_frames),
1473 	GBENU_STATS_P7(rx_jabber_frames),
1474 	GBENU_STATS_P7(rx_undersized_frames),
1475 	GBENU_STATS_P7(rx_fragments),
1476 	GBENU_STATS_P7(ale_drop),
1477 	GBENU_STATS_P7(ale_overrun_drop),
1478 	GBENU_STATS_P7(rx_bytes),
1479 	GBENU_STATS_P7(tx_good_frames),
1480 	GBENU_STATS_P7(tx_broadcast_frames),
1481 	GBENU_STATS_P7(tx_multicast_frames),
1482 	GBENU_STATS_P7(tx_pause_frames),
1483 	GBENU_STATS_P7(tx_deferred_frames),
1484 	GBENU_STATS_P7(tx_collision_frames),
1485 	GBENU_STATS_P7(tx_single_coll_frames),
1486 	GBENU_STATS_P7(tx_mult_coll_frames),
1487 	GBENU_STATS_P7(tx_excessive_collisions),
1488 	GBENU_STATS_P7(tx_late_collisions),
1489 	GBENU_STATS_P7(rx_ipg_error),
1490 	GBENU_STATS_P7(tx_carrier_sense_errors),
1491 	GBENU_STATS_P7(tx_bytes),
1492 	GBENU_STATS_P7(tx_64B_frames),
1493 	GBENU_STATS_P7(tx_65_to_127B_frames),
1494 	GBENU_STATS_P7(tx_128_to_255B_frames),
1495 	GBENU_STATS_P7(tx_256_to_511B_frames),
1496 	GBENU_STATS_P7(tx_512_to_1023B_frames),
1497 	GBENU_STATS_P7(tx_1024B_frames),
1498 	GBENU_STATS_P7(net_bytes),
1499 	GBENU_STATS_P7(rx_bottom_fifo_drop),
1500 	GBENU_STATS_P7(rx_port_mask_drop),
1501 	GBENU_STATS_P7(rx_top_fifo_drop),
1502 	GBENU_STATS_P7(ale_rate_limit_drop),
1503 	GBENU_STATS_P7(ale_vid_ingress_drop),
1504 	GBENU_STATS_P7(ale_da_eq_sa_drop),
1505 	GBENU_STATS_P7(ale_unknown_ucast),
1506 	GBENU_STATS_P7(ale_unknown_ucast_bytes),
1507 	GBENU_STATS_P7(ale_unknown_mcast),
1508 	GBENU_STATS_P7(ale_unknown_mcast_bytes),
1509 	GBENU_STATS_P7(ale_unknown_bcast),
1510 	GBENU_STATS_P7(ale_unknown_bcast_bytes),
1511 	GBENU_STATS_P7(ale_pol_match),
1512 	GBENU_STATS_P7(ale_pol_match_red),
1513 	GBENU_STATS_P7(ale_pol_match_yellow),
1514 	GBENU_STATS_P7(tx_mem_protect_err),
1515 	GBENU_STATS_P7(tx_pri0_drop),
1516 	GBENU_STATS_P7(tx_pri1_drop),
1517 	GBENU_STATS_P7(tx_pri2_drop),
1518 	GBENU_STATS_P7(tx_pri3_drop),
1519 	GBENU_STATS_P7(tx_pri4_drop),
1520 	GBENU_STATS_P7(tx_pri5_drop),
1521 	GBENU_STATS_P7(tx_pri6_drop),
1522 	GBENU_STATS_P7(tx_pri7_drop),
1523 	GBENU_STATS_P7(tx_pri0_drop_bcnt),
1524 	GBENU_STATS_P7(tx_pri1_drop_bcnt),
1525 	GBENU_STATS_P7(tx_pri2_drop_bcnt),
1526 	GBENU_STATS_P7(tx_pri3_drop_bcnt),
1527 	GBENU_STATS_P7(tx_pri4_drop_bcnt),
1528 	GBENU_STATS_P7(tx_pri5_drop_bcnt),
1529 	GBENU_STATS_P7(tx_pri6_drop_bcnt),
1530 	GBENU_STATS_P7(tx_pri7_drop_bcnt),
1531 	/* GBENU Module 8 */
1532 	GBENU_STATS_P8(rx_good_frames),
1533 	GBENU_STATS_P8(rx_broadcast_frames),
1534 	GBENU_STATS_P8(rx_multicast_frames),
1535 	GBENU_STATS_P8(rx_pause_frames),
1536 	GBENU_STATS_P8(rx_crc_errors),
1537 	GBENU_STATS_P8(rx_align_code_errors),
1538 	GBENU_STATS_P8(rx_oversized_frames),
1539 	GBENU_STATS_P8(rx_jabber_frames),
1540 	GBENU_STATS_P8(rx_undersized_frames),
1541 	GBENU_STATS_P8(rx_fragments),
1542 	GBENU_STATS_P8(ale_drop),
1543 	GBENU_STATS_P8(ale_overrun_drop),
1544 	GBENU_STATS_P8(rx_bytes),
1545 	GBENU_STATS_P8(tx_good_frames),
1546 	GBENU_STATS_P8(tx_broadcast_frames),
1547 	GBENU_STATS_P8(tx_multicast_frames),
1548 	GBENU_STATS_P8(tx_pause_frames),
1549 	GBENU_STATS_P8(tx_deferred_frames),
1550 	GBENU_STATS_P8(tx_collision_frames),
1551 	GBENU_STATS_P8(tx_single_coll_frames),
1552 	GBENU_STATS_P8(tx_mult_coll_frames),
1553 	GBENU_STATS_P8(tx_excessive_collisions),
1554 	GBENU_STATS_P8(tx_late_collisions),
1555 	GBENU_STATS_P8(rx_ipg_error),
1556 	GBENU_STATS_P8(tx_carrier_sense_errors),
1557 	GBENU_STATS_P8(tx_bytes),
1558 	GBENU_STATS_P8(tx_64B_frames),
1559 	GBENU_STATS_P8(tx_65_to_127B_frames),
1560 	GBENU_STATS_P8(tx_128_to_255B_frames),
1561 	GBENU_STATS_P8(tx_256_to_511B_frames),
1562 	GBENU_STATS_P8(tx_512_to_1023B_frames),
1563 	GBENU_STATS_P8(tx_1024B_frames),
1564 	GBENU_STATS_P8(net_bytes),
1565 	GBENU_STATS_P8(rx_bottom_fifo_drop),
1566 	GBENU_STATS_P8(rx_port_mask_drop),
1567 	GBENU_STATS_P8(rx_top_fifo_drop),
1568 	GBENU_STATS_P8(ale_rate_limit_drop),
1569 	GBENU_STATS_P8(ale_vid_ingress_drop),
1570 	GBENU_STATS_P8(ale_da_eq_sa_drop),
1571 	GBENU_STATS_P8(ale_unknown_ucast),
1572 	GBENU_STATS_P8(ale_unknown_ucast_bytes),
1573 	GBENU_STATS_P8(ale_unknown_mcast),
1574 	GBENU_STATS_P8(ale_unknown_mcast_bytes),
1575 	GBENU_STATS_P8(ale_unknown_bcast),
1576 	GBENU_STATS_P8(ale_unknown_bcast_bytes),
1577 	GBENU_STATS_P8(ale_pol_match),
1578 	GBENU_STATS_P8(ale_pol_match_red),
1579 	GBENU_STATS_P8(ale_pol_match_yellow),
1580 	GBENU_STATS_P8(tx_mem_protect_err),
1581 	GBENU_STATS_P8(tx_pri0_drop),
1582 	GBENU_STATS_P8(tx_pri1_drop),
1583 	GBENU_STATS_P8(tx_pri2_drop),
1584 	GBENU_STATS_P8(tx_pri3_drop),
1585 	GBENU_STATS_P8(tx_pri4_drop),
1586 	GBENU_STATS_P8(tx_pri5_drop),
1587 	GBENU_STATS_P8(tx_pri6_drop),
1588 	GBENU_STATS_P8(tx_pri7_drop),
1589 	GBENU_STATS_P8(tx_pri0_drop_bcnt),
1590 	GBENU_STATS_P8(tx_pri1_drop_bcnt),
1591 	GBENU_STATS_P8(tx_pri2_drop_bcnt),
1592 	GBENU_STATS_P8(tx_pri3_drop_bcnt),
1593 	GBENU_STATS_P8(tx_pri4_drop_bcnt),
1594 	GBENU_STATS_P8(tx_pri5_drop_bcnt),
1595 	GBENU_STATS_P8(tx_pri6_drop_bcnt),
1596 	GBENU_STATS_P8(tx_pri7_drop_bcnt),
1597 };
1598 
1599 #define XGBE_STATS0_INFO(field)				\
1600 {							\
1601 	"GBE_0:"#field, XGBE_STATS0_MODULE,		\
1602 	FIELD_SIZEOF(struct xgbe_hw_stats, field),	\
1603 	offsetof(struct xgbe_hw_stats, field)		\
1604 }
1605 
1606 #define XGBE_STATS1_INFO(field)				\
1607 {							\
1608 	"GBE_1:"#field, XGBE_STATS1_MODULE,		\
1609 	FIELD_SIZEOF(struct xgbe_hw_stats, field),	\
1610 	offsetof(struct xgbe_hw_stats, field)		\
1611 }
1612 
1613 #define XGBE_STATS2_INFO(field)				\
1614 {							\
1615 	"GBE_2:"#field, XGBE_STATS2_MODULE,		\
1616 	FIELD_SIZEOF(struct xgbe_hw_stats, field),	\
1617 	offsetof(struct xgbe_hw_stats, field)		\
1618 }
1619 
1620 static const struct netcp_ethtool_stat xgbe10_et_stats[] = {
1621 	/* GBE module 0 */
1622 	XGBE_STATS0_INFO(rx_good_frames),
1623 	XGBE_STATS0_INFO(rx_broadcast_frames),
1624 	XGBE_STATS0_INFO(rx_multicast_frames),
1625 	XGBE_STATS0_INFO(rx_oversized_frames),
1626 	XGBE_STATS0_INFO(rx_undersized_frames),
1627 	XGBE_STATS0_INFO(overrun_type4),
1628 	XGBE_STATS0_INFO(overrun_type5),
1629 	XGBE_STATS0_INFO(rx_bytes),
1630 	XGBE_STATS0_INFO(tx_good_frames),
1631 	XGBE_STATS0_INFO(tx_broadcast_frames),
1632 	XGBE_STATS0_INFO(tx_multicast_frames),
1633 	XGBE_STATS0_INFO(tx_bytes),
1634 	XGBE_STATS0_INFO(tx_64byte_frames),
1635 	XGBE_STATS0_INFO(tx_65_to_127byte_frames),
1636 	XGBE_STATS0_INFO(tx_128_to_255byte_frames),
1637 	XGBE_STATS0_INFO(tx_256_to_511byte_frames),
1638 	XGBE_STATS0_INFO(tx_512_to_1023byte_frames),
1639 	XGBE_STATS0_INFO(tx_1024byte_frames),
1640 	XGBE_STATS0_INFO(net_bytes),
1641 	XGBE_STATS0_INFO(rx_sof_overruns),
1642 	XGBE_STATS0_INFO(rx_mof_overruns),
1643 	XGBE_STATS0_INFO(rx_dma_overruns),
1644 	/* XGBE module 1 */
1645 	XGBE_STATS1_INFO(rx_good_frames),
1646 	XGBE_STATS1_INFO(rx_broadcast_frames),
1647 	XGBE_STATS1_INFO(rx_multicast_frames),
1648 	XGBE_STATS1_INFO(rx_pause_frames),
1649 	XGBE_STATS1_INFO(rx_crc_errors),
1650 	XGBE_STATS1_INFO(rx_align_code_errors),
1651 	XGBE_STATS1_INFO(rx_oversized_frames),
1652 	XGBE_STATS1_INFO(rx_jabber_frames),
1653 	XGBE_STATS1_INFO(rx_undersized_frames),
1654 	XGBE_STATS1_INFO(rx_fragments),
1655 	XGBE_STATS1_INFO(overrun_type4),
1656 	XGBE_STATS1_INFO(overrun_type5),
1657 	XGBE_STATS1_INFO(rx_bytes),
1658 	XGBE_STATS1_INFO(tx_good_frames),
1659 	XGBE_STATS1_INFO(tx_broadcast_frames),
1660 	XGBE_STATS1_INFO(tx_multicast_frames),
1661 	XGBE_STATS1_INFO(tx_pause_frames),
1662 	XGBE_STATS1_INFO(tx_deferred_frames),
1663 	XGBE_STATS1_INFO(tx_collision_frames),
1664 	XGBE_STATS1_INFO(tx_single_coll_frames),
1665 	XGBE_STATS1_INFO(tx_mult_coll_frames),
1666 	XGBE_STATS1_INFO(tx_excessive_collisions),
1667 	XGBE_STATS1_INFO(tx_late_collisions),
1668 	XGBE_STATS1_INFO(tx_underrun),
1669 	XGBE_STATS1_INFO(tx_carrier_sense_errors),
1670 	XGBE_STATS1_INFO(tx_bytes),
1671 	XGBE_STATS1_INFO(tx_64byte_frames),
1672 	XGBE_STATS1_INFO(tx_65_to_127byte_frames),
1673 	XGBE_STATS1_INFO(tx_128_to_255byte_frames),
1674 	XGBE_STATS1_INFO(tx_256_to_511byte_frames),
1675 	XGBE_STATS1_INFO(tx_512_to_1023byte_frames),
1676 	XGBE_STATS1_INFO(tx_1024byte_frames),
1677 	XGBE_STATS1_INFO(net_bytes),
1678 	XGBE_STATS1_INFO(rx_sof_overruns),
1679 	XGBE_STATS1_INFO(rx_mof_overruns),
1680 	XGBE_STATS1_INFO(rx_dma_overruns),
1681 	/* XGBE module 2 */
1682 	XGBE_STATS2_INFO(rx_good_frames),
1683 	XGBE_STATS2_INFO(rx_broadcast_frames),
1684 	XGBE_STATS2_INFO(rx_multicast_frames),
1685 	XGBE_STATS2_INFO(rx_pause_frames),
1686 	XGBE_STATS2_INFO(rx_crc_errors),
1687 	XGBE_STATS2_INFO(rx_align_code_errors),
1688 	XGBE_STATS2_INFO(rx_oversized_frames),
1689 	XGBE_STATS2_INFO(rx_jabber_frames),
1690 	XGBE_STATS2_INFO(rx_undersized_frames),
1691 	XGBE_STATS2_INFO(rx_fragments),
1692 	XGBE_STATS2_INFO(overrun_type4),
1693 	XGBE_STATS2_INFO(overrun_type5),
1694 	XGBE_STATS2_INFO(rx_bytes),
1695 	XGBE_STATS2_INFO(tx_good_frames),
1696 	XGBE_STATS2_INFO(tx_broadcast_frames),
1697 	XGBE_STATS2_INFO(tx_multicast_frames),
1698 	XGBE_STATS2_INFO(tx_pause_frames),
1699 	XGBE_STATS2_INFO(tx_deferred_frames),
1700 	XGBE_STATS2_INFO(tx_collision_frames),
1701 	XGBE_STATS2_INFO(tx_single_coll_frames),
1702 	XGBE_STATS2_INFO(tx_mult_coll_frames),
1703 	XGBE_STATS2_INFO(tx_excessive_collisions),
1704 	XGBE_STATS2_INFO(tx_late_collisions),
1705 	XGBE_STATS2_INFO(tx_underrun),
1706 	XGBE_STATS2_INFO(tx_carrier_sense_errors),
1707 	XGBE_STATS2_INFO(tx_bytes),
1708 	XGBE_STATS2_INFO(tx_64byte_frames),
1709 	XGBE_STATS2_INFO(tx_65_to_127byte_frames),
1710 	XGBE_STATS2_INFO(tx_128_to_255byte_frames),
1711 	XGBE_STATS2_INFO(tx_256_to_511byte_frames),
1712 	XGBE_STATS2_INFO(tx_512_to_1023byte_frames),
1713 	XGBE_STATS2_INFO(tx_1024byte_frames),
1714 	XGBE_STATS2_INFO(net_bytes),
1715 	XGBE_STATS2_INFO(rx_sof_overruns),
1716 	XGBE_STATS2_INFO(rx_mof_overruns),
1717 	XGBE_STATS2_INFO(rx_dma_overruns),
1718 };
1719 
1720 #define for_each_intf(i, priv) \
1721 	list_for_each_entry((i), &(priv)->gbe_intf_head, gbe_intf_list)
1722 
1723 #define for_each_sec_slave(slave, priv) \
1724 	list_for_each_entry((slave), &(priv)->secondary_slaves, slave_list)
1725 
1726 #define first_sec_slave(priv)					\
1727 	list_first_entry(&priv->secondary_slaves, \
1728 			struct gbe_slave, slave_list)
1729 
1730 static void keystone_get_drvinfo(struct net_device *ndev,
1731 				 struct ethtool_drvinfo *info)
1732 {
1733 	strncpy(info->driver, NETCP_DRIVER_NAME, sizeof(info->driver));
1734 	strncpy(info->version, NETCP_DRIVER_VERSION, sizeof(info->version));
1735 }
1736 
1737 static u32 keystone_get_msglevel(struct net_device *ndev)
1738 {
1739 	struct netcp_intf *netcp = netdev_priv(ndev);
1740 
1741 	return netcp->msg_enable;
1742 }
1743 
1744 static void keystone_set_msglevel(struct net_device *ndev, u32 value)
1745 {
1746 	struct netcp_intf *netcp = netdev_priv(ndev);
1747 
1748 	netcp->msg_enable = value;
1749 }
1750 
1751 static struct gbe_intf *keystone_get_intf_data(struct netcp_intf *netcp)
1752 {
1753 	struct gbe_intf *gbe_intf;
1754 
1755 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
1756 	if (!gbe_intf)
1757 		gbe_intf = netcp_module_get_intf_data(&xgbe_module, netcp);
1758 
1759 	return gbe_intf;
1760 }
1761 
1762 static void keystone_get_stat_strings(struct net_device *ndev,
1763 				      uint32_t stringset, uint8_t *data)
1764 {
1765 	struct netcp_intf *netcp = netdev_priv(ndev);
1766 	struct gbe_intf *gbe_intf;
1767 	struct gbe_priv *gbe_dev;
1768 	int i;
1769 
1770 	gbe_intf = keystone_get_intf_data(netcp);
1771 	if (!gbe_intf)
1772 		return;
1773 	gbe_dev = gbe_intf->gbe_dev;
1774 
1775 	switch (stringset) {
1776 	case ETH_SS_STATS:
1777 		for (i = 0; i < gbe_dev->num_et_stats; i++) {
1778 			memcpy(data, gbe_dev->et_stats[i].desc,
1779 			       ETH_GSTRING_LEN);
1780 			data += ETH_GSTRING_LEN;
1781 		}
1782 		break;
1783 	case ETH_SS_TEST:
1784 		break;
1785 	}
1786 }
1787 
1788 static int keystone_get_sset_count(struct net_device *ndev, int stringset)
1789 {
1790 	struct netcp_intf *netcp = netdev_priv(ndev);
1791 	struct gbe_intf *gbe_intf;
1792 	struct gbe_priv *gbe_dev;
1793 
1794 	gbe_intf = keystone_get_intf_data(netcp);
1795 	if (!gbe_intf)
1796 		return -EINVAL;
1797 	gbe_dev = gbe_intf->gbe_dev;
1798 
1799 	switch (stringset) {
1800 	case ETH_SS_TEST:
1801 		return 0;
1802 	case ETH_SS_STATS:
1803 		return gbe_dev->num_et_stats;
1804 	default:
1805 		return -EINVAL;
1806 	}
1807 }
1808 
1809 static void gbe_reset_mod_stats(struct gbe_priv *gbe_dev, int stats_mod)
1810 {
1811 	void __iomem *base = gbe_dev->hw_stats_regs[stats_mod];
1812 	u32  __iomem *p_stats_entry;
1813 	int i;
1814 
1815 	for (i = 0; i < gbe_dev->num_et_stats; i++) {
1816 		if (gbe_dev->et_stats[i].type == stats_mod) {
1817 			p_stats_entry = base + gbe_dev->et_stats[i].offset;
1818 			gbe_dev->hw_stats[i] = 0;
1819 			gbe_dev->hw_stats_prev[i] = readl(p_stats_entry);
1820 		}
1821 	}
1822 }
1823 
1824 static inline void gbe_update_hw_stats_entry(struct gbe_priv *gbe_dev,
1825 					     int et_stats_entry)
1826 {
1827 	void __iomem *base = NULL;
1828 	u32  __iomem *p_stats_entry;
1829 	u32 curr, delta;
1830 
1831 	/* The hw_stats_regs pointers are already
1832 	 * properly set to point to the right base:
1833 	 */
1834 	base = gbe_dev->hw_stats_regs[gbe_dev->et_stats[et_stats_entry].type];
1835 	p_stats_entry = base + gbe_dev->et_stats[et_stats_entry].offset;
1836 	curr = readl(p_stats_entry);
1837 	delta = curr - gbe_dev->hw_stats_prev[et_stats_entry];
1838 	gbe_dev->hw_stats_prev[et_stats_entry] = curr;
1839 	gbe_dev->hw_stats[et_stats_entry] += delta;
1840 }
1841 
1842 static void gbe_update_stats(struct gbe_priv *gbe_dev, uint64_t *data)
1843 {
1844 	int i;
1845 
1846 	for (i = 0; i < gbe_dev->num_et_stats; i++) {
1847 		gbe_update_hw_stats_entry(gbe_dev, i);
1848 
1849 		if (data)
1850 			data[i] = gbe_dev->hw_stats[i];
1851 	}
1852 }
1853 
1854 static inline void gbe_stats_mod_visible_ver14(struct gbe_priv *gbe_dev,
1855 					       int stats_mod)
1856 {
1857 	u32 val;
1858 
1859 	val = readl(GBE_REG_ADDR(gbe_dev, switch_regs, stat_port_en));
1860 
1861 	switch (stats_mod) {
1862 	case GBE_STATSA_MODULE:
1863 	case GBE_STATSB_MODULE:
1864 		val &= ~GBE_STATS_CD_SEL;
1865 		break;
1866 	case GBE_STATSC_MODULE:
1867 	case GBE_STATSD_MODULE:
1868 		val |= GBE_STATS_CD_SEL;
1869 		break;
1870 	default:
1871 		return;
1872 	}
1873 
1874 	/* make the stat module visible */
1875 	writel(val, GBE_REG_ADDR(gbe_dev, switch_regs, stat_port_en));
1876 }
1877 
1878 static void gbe_reset_mod_stats_ver14(struct gbe_priv *gbe_dev, int stats_mod)
1879 {
1880 	gbe_stats_mod_visible_ver14(gbe_dev, stats_mod);
1881 	gbe_reset_mod_stats(gbe_dev, stats_mod);
1882 }
1883 
1884 static void gbe_update_stats_ver14(struct gbe_priv *gbe_dev, uint64_t *data)
1885 {
1886 	u32 half_num_et_stats = (gbe_dev->num_et_stats / 2);
1887 	int et_entry, j, pair;
1888 
1889 	for (pair = 0; pair < 2; pair++) {
1890 		gbe_stats_mod_visible_ver14(gbe_dev, (pair ?
1891 						      GBE_STATSC_MODULE :
1892 						      GBE_STATSA_MODULE));
1893 
1894 		for (j = 0; j < half_num_et_stats; j++) {
1895 			et_entry = pair * half_num_et_stats + j;
1896 			gbe_update_hw_stats_entry(gbe_dev, et_entry);
1897 
1898 			if (data)
1899 				data[et_entry] = gbe_dev->hw_stats[et_entry];
1900 		}
1901 	}
1902 }
1903 
1904 static void keystone_get_ethtool_stats(struct net_device *ndev,
1905 				       struct ethtool_stats *stats,
1906 				       uint64_t *data)
1907 {
1908 	struct netcp_intf *netcp = netdev_priv(ndev);
1909 	struct gbe_intf *gbe_intf;
1910 	struct gbe_priv *gbe_dev;
1911 
1912 	gbe_intf = keystone_get_intf_data(netcp);
1913 	if (!gbe_intf)
1914 		return;
1915 
1916 	gbe_dev = gbe_intf->gbe_dev;
1917 	spin_lock_bh(&gbe_dev->hw_stats_lock);
1918 	if (gbe_dev->ss_version == GBE_SS_VERSION_14)
1919 		gbe_update_stats_ver14(gbe_dev, data);
1920 	else
1921 		gbe_update_stats(gbe_dev, data);
1922 	spin_unlock_bh(&gbe_dev->hw_stats_lock);
1923 }
1924 
1925 static int keystone_get_link_ksettings(struct net_device *ndev,
1926 				       struct ethtool_link_ksettings *cmd)
1927 {
1928 	struct netcp_intf *netcp = netdev_priv(ndev);
1929 	struct phy_device *phy = ndev->phydev;
1930 	struct gbe_intf *gbe_intf;
1931 
1932 	if (!phy)
1933 		return -EINVAL;
1934 
1935 	gbe_intf = keystone_get_intf_data(netcp);
1936 	if (!gbe_intf)
1937 		return -EINVAL;
1938 
1939 	if (!gbe_intf->slave)
1940 		return -EINVAL;
1941 
1942 	phy_ethtool_ksettings_get(phy, cmd);
1943 	cmd->base.port = gbe_intf->slave->phy_port_t;
1944 
1945 	return 0;
1946 }
1947 
1948 static int keystone_set_link_ksettings(struct net_device *ndev,
1949 				       const struct ethtool_link_ksettings *cmd)
1950 {
1951 	struct netcp_intf *netcp = netdev_priv(ndev);
1952 	struct phy_device *phy = ndev->phydev;
1953 	struct gbe_intf *gbe_intf;
1954 	u8 port = cmd->base.port;
1955 	u32 advertising, supported;
1956 	u32 features;
1957 
1958 	ethtool_convert_link_mode_to_legacy_u32(&advertising,
1959 						cmd->link_modes.advertising);
1960 	ethtool_convert_link_mode_to_legacy_u32(&supported,
1961 						cmd->link_modes.supported);
1962 	features = advertising & supported;
1963 
1964 	if (!phy)
1965 		return -EINVAL;
1966 
1967 	gbe_intf = keystone_get_intf_data(netcp);
1968 	if (!gbe_intf)
1969 		return -EINVAL;
1970 
1971 	if (!gbe_intf->slave)
1972 		return -EINVAL;
1973 
1974 	if (port != gbe_intf->slave->phy_port_t) {
1975 		if ((port == PORT_TP) && !(features & ADVERTISED_TP))
1976 			return -EINVAL;
1977 
1978 		if ((port == PORT_AUI) && !(features & ADVERTISED_AUI))
1979 			return -EINVAL;
1980 
1981 		if ((port == PORT_BNC) && !(features & ADVERTISED_BNC))
1982 			return -EINVAL;
1983 
1984 		if ((port == PORT_MII) && !(features & ADVERTISED_MII))
1985 			return -EINVAL;
1986 
1987 		if ((port == PORT_FIBRE) && !(features & ADVERTISED_FIBRE))
1988 			return -EINVAL;
1989 	}
1990 
1991 	gbe_intf->slave->phy_port_t = port;
1992 	return phy_ethtool_ksettings_set(phy, cmd);
1993 }
1994 
1995 #if IS_ENABLED(CONFIG_TI_CPTS)
1996 static int keystone_get_ts_info(struct net_device *ndev,
1997 				struct ethtool_ts_info *info)
1998 {
1999 	struct netcp_intf *netcp = netdev_priv(ndev);
2000 	struct gbe_intf *gbe_intf;
2001 
2002 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
2003 	if (!gbe_intf || !gbe_intf->gbe_dev->cpts)
2004 		return -EINVAL;
2005 
2006 	info->so_timestamping =
2007 		SOF_TIMESTAMPING_TX_HARDWARE |
2008 		SOF_TIMESTAMPING_TX_SOFTWARE |
2009 		SOF_TIMESTAMPING_RX_HARDWARE |
2010 		SOF_TIMESTAMPING_RX_SOFTWARE |
2011 		SOF_TIMESTAMPING_SOFTWARE |
2012 		SOF_TIMESTAMPING_RAW_HARDWARE;
2013 	info->phc_index = gbe_intf->gbe_dev->cpts->phc_index;
2014 	info->tx_types =
2015 		(1 << HWTSTAMP_TX_OFF) |
2016 		(1 << HWTSTAMP_TX_ON);
2017 	info->rx_filters =
2018 		(1 << HWTSTAMP_FILTER_NONE) |
2019 		(1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
2020 		(1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
2021 	return 0;
2022 }
2023 #else
2024 static int keystone_get_ts_info(struct net_device *ndev,
2025 				struct ethtool_ts_info *info)
2026 {
2027 	info->so_timestamping =
2028 		SOF_TIMESTAMPING_TX_SOFTWARE |
2029 		SOF_TIMESTAMPING_RX_SOFTWARE |
2030 		SOF_TIMESTAMPING_SOFTWARE;
2031 	info->phc_index = -1;
2032 	info->tx_types = 0;
2033 	info->rx_filters = 0;
2034 	return 0;
2035 }
2036 #endif /* CONFIG_TI_CPTS */
2037 
2038 static const struct ethtool_ops keystone_ethtool_ops = {
2039 	.get_drvinfo		= keystone_get_drvinfo,
2040 	.get_link		= ethtool_op_get_link,
2041 	.get_msglevel		= keystone_get_msglevel,
2042 	.set_msglevel		= keystone_set_msglevel,
2043 	.get_strings		= keystone_get_stat_strings,
2044 	.get_sset_count		= keystone_get_sset_count,
2045 	.get_ethtool_stats	= keystone_get_ethtool_stats,
2046 	.get_link_ksettings	= keystone_get_link_ksettings,
2047 	.set_link_ksettings	= keystone_set_link_ksettings,
2048 	.get_ts_info		= keystone_get_ts_info,
2049 };
2050 
2051 static void gbe_set_slave_mac(struct gbe_slave *slave,
2052 			      struct gbe_intf *gbe_intf)
2053 {
2054 	struct net_device *ndev = gbe_intf->ndev;
2055 
2056 	writel(mac_hi(ndev->dev_addr), GBE_REG_ADDR(slave, port_regs, sa_hi));
2057 	writel(mac_lo(ndev->dev_addr), GBE_REG_ADDR(slave, port_regs, sa_lo));
2058 }
2059 
2060 static int gbe_get_slave_port(struct gbe_priv *priv, u32 slave_num)
2061 {
2062 	if (priv->host_port == 0)
2063 		return slave_num + 1;
2064 
2065 	return slave_num;
2066 }
2067 
2068 static void netcp_ethss_link_state_action(struct gbe_priv *gbe_dev,
2069 					  struct net_device *ndev,
2070 					  struct gbe_slave *slave,
2071 					  int up)
2072 {
2073 	struct phy_device *phy = slave->phy;
2074 	u32 mac_control = 0;
2075 
2076 	if (up) {
2077 		mac_control = slave->mac_control;
2078 		if (phy && (phy->speed == SPEED_1000)) {
2079 			mac_control |= MACSL_GIG_MODE;
2080 			mac_control &= ~MACSL_XGIG_MODE;
2081 		} else if (phy && (phy->speed == SPEED_10000)) {
2082 			mac_control |= MACSL_XGIG_MODE;
2083 			mac_control &= ~MACSL_GIG_MODE;
2084 		}
2085 
2086 		writel(mac_control, GBE_REG_ADDR(slave, emac_regs,
2087 						 mac_control));
2088 
2089 		cpsw_ale_control_set(gbe_dev->ale, slave->port_num,
2090 				     ALE_PORT_STATE,
2091 				     ALE_PORT_STATE_FORWARD);
2092 
2093 		if (ndev && slave->open &&
2094 		    slave->link_interface != SGMII_LINK_MAC_PHY &&
2095 		    slave->link_interface != XGMII_LINK_MAC_PHY)
2096 			netif_carrier_on(ndev);
2097 	} else {
2098 		writel(mac_control, GBE_REG_ADDR(slave, emac_regs,
2099 						 mac_control));
2100 		cpsw_ale_control_set(gbe_dev->ale, slave->port_num,
2101 				     ALE_PORT_STATE,
2102 				     ALE_PORT_STATE_DISABLE);
2103 		if (ndev &&
2104 		    slave->link_interface != SGMII_LINK_MAC_PHY &&
2105 		    slave->link_interface != XGMII_LINK_MAC_PHY)
2106 			netif_carrier_off(ndev);
2107 	}
2108 
2109 	if (phy)
2110 		phy_print_status(phy);
2111 }
2112 
2113 static bool gbe_phy_link_status(struct gbe_slave *slave)
2114 {
2115 	 return !slave->phy || slave->phy->link;
2116 }
2117 
2118 static void netcp_ethss_update_link_state(struct gbe_priv *gbe_dev,
2119 					  struct gbe_slave *slave,
2120 					  struct net_device *ndev)
2121 {
2122 	int sp = slave->slave_num;
2123 	int phy_link_state, sgmii_link_state = 1, link_state;
2124 
2125 	if (!slave->open)
2126 		return;
2127 
2128 	if (!SLAVE_LINK_IS_XGMII(slave)) {
2129 		sgmii_link_state =
2130 			netcp_sgmii_get_port_link(SGMII_BASE(gbe_dev, sp), sp);
2131 	}
2132 
2133 	phy_link_state = gbe_phy_link_status(slave);
2134 	link_state = phy_link_state & sgmii_link_state;
2135 
2136 	if (atomic_xchg(&slave->link_state, link_state) != link_state)
2137 		netcp_ethss_link_state_action(gbe_dev, ndev, slave,
2138 					      link_state);
2139 }
2140 
2141 static void xgbe_adjust_link(struct net_device *ndev)
2142 {
2143 	struct netcp_intf *netcp = netdev_priv(ndev);
2144 	struct gbe_intf *gbe_intf;
2145 
2146 	gbe_intf = netcp_module_get_intf_data(&xgbe_module, netcp);
2147 	if (!gbe_intf)
2148 		return;
2149 
2150 	netcp_ethss_update_link_state(gbe_intf->gbe_dev, gbe_intf->slave,
2151 				      ndev);
2152 }
2153 
2154 static void gbe_adjust_link(struct net_device *ndev)
2155 {
2156 	struct netcp_intf *netcp = netdev_priv(ndev);
2157 	struct gbe_intf *gbe_intf;
2158 
2159 	gbe_intf = netcp_module_get_intf_data(&gbe_module, netcp);
2160 	if (!gbe_intf)
2161 		return;
2162 
2163 	netcp_ethss_update_link_state(gbe_intf->gbe_dev, gbe_intf->slave,
2164 				      ndev);
2165 }
2166 
2167 static void gbe_adjust_link_sec_slaves(struct net_device *ndev)
2168 {
2169 	struct gbe_priv *gbe_dev = netdev_priv(ndev);
2170 	struct gbe_slave *slave;
2171 
2172 	for_each_sec_slave(slave, gbe_dev)
2173 		netcp_ethss_update_link_state(gbe_dev, slave, NULL);
2174 }
2175 
2176 /* Reset EMAC
2177  * Soft reset is set and polled until clear, or until a timeout occurs
2178  */
2179 static int gbe_port_reset(struct gbe_slave *slave)
2180 {
2181 	u32 i, v;
2182 
2183 	/* Set the soft reset bit */
2184 	writel(SOFT_RESET, GBE_REG_ADDR(slave, emac_regs, soft_reset));
2185 
2186 	/* Wait for the bit to clear */
2187 	for (i = 0; i < DEVICE_EMACSL_RESET_POLL_COUNT; i++) {
2188 		v = readl(GBE_REG_ADDR(slave, emac_regs, soft_reset));
2189 		if ((v & SOFT_RESET_MASK) != SOFT_RESET)
2190 			return 0;
2191 	}
2192 
2193 	/* Timeout on the reset */
2194 	return GMACSL_RET_WARN_RESET_INCOMPLETE;
2195 }
2196 
2197 /* Configure EMAC */
2198 static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
2199 			    int max_rx_len)
2200 {
2201 	void __iomem *rx_maxlen_reg;
2202 	u32 xgmii_mode;
2203 
2204 	if (max_rx_len > NETCP_MAX_FRAME_SIZE)
2205 		max_rx_len = NETCP_MAX_FRAME_SIZE;
2206 
2207 	/* Enable correct MII mode at SS level */
2208 	if ((gbe_dev->ss_version == XGBE_SS_VERSION_10) &&
2209 	    (slave->link_interface >= XGMII_LINK_MAC_PHY)) {
2210 		xgmii_mode = readl(GBE_REG_ADDR(gbe_dev, ss_regs, control));
2211 		xgmii_mode |= (1 << slave->slave_num);
2212 		writel(xgmii_mode, GBE_REG_ADDR(gbe_dev, ss_regs, control));
2213 	}
2214 
2215 	if (IS_SS_ID_MU(gbe_dev))
2216 		rx_maxlen_reg = GBE_REG_ADDR(slave, port_regs, rx_maxlen);
2217 	else
2218 		rx_maxlen_reg = GBE_REG_ADDR(slave, emac_regs, rx_maxlen);
2219 
2220 	writel(max_rx_len, rx_maxlen_reg);
2221 	writel(slave->mac_control, GBE_REG_ADDR(slave, emac_regs, mac_control));
2222 }
2223 
2224 static void gbe_sgmii_rtreset(struct gbe_priv *priv,
2225 			      struct gbe_slave *slave, bool set)
2226 {
2227 	if (SLAVE_LINK_IS_XGMII(slave))
2228 		return;
2229 
2230 	netcp_sgmii_rtreset(SGMII_BASE(priv, slave->slave_num),
2231 			    slave->slave_num, set);
2232 }
2233 
2234 static void gbe_slave_stop(struct gbe_intf *intf)
2235 {
2236 	struct gbe_priv *gbe_dev = intf->gbe_dev;
2237 	struct gbe_slave *slave = intf->slave;
2238 
2239 	gbe_sgmii_rtreset(gbe_dev, slave, true);
2240 	gbe_port_reset(slave);
2241 	/* Disable forwarding */
2242 	cpsw_ale_control_set(gbe_dev->ale, slave->port_num,
2243 			     ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);
2244 	cpsw_ale_del_mcast(gbe_dev->ale, intf->ndev->broadcast,
2245 			   1 << slave->port_num, 0, 0);
2246 
2247 	if (!slave->phy)
2248 		return;
2249 
2250 	phy_stop(slave->phy);
2251 	phy_disconnect(slave->phy);
2252 	slave->phy = NULL;
2253 }
2254 
2255 static void gbe_sgmii_config(struct gbe_priv *priv, struct gbe_slave *slave)
2256 {
2257 	if (SLAVE_LINK_IS_XGMII(slave))
2258 		return;
2259 
2260 	netcp_sgmii_reset(SGMII_BASE(priv, slave->slave_num), slave->slave_num);
2261 	netcp_sgmii_config(SGMII_BASE(priv, slave->slave_num), slave->slave_num,
2262 			   slave->link_interface);
2263 }
2264 
2265 static int gbe_slave_open(struct gbe_intf *gbe_intf)
2266 {
2267 	struct gbe_priv *priv = gbe_intf->gbe_dev;
2268 	struct gbe_slave *slave = gbe_intf->slave;
2269 	phy_interface_t phy_mode;
2270 	bool has_phy = false;
2271 
2272 	void (*hndlr)(struct net_device *) = gbe_adjust_link;
2273 
2274 	gbe_sgmii_config(priv, slave);
2275 	gbe_port_reset(slave);
2276 	gbe_sgmii_rtreset(priv, slave, false);
2277 	gbe_port_config(priv, slave, priv->rx_packet_max);
2278 	gbe_set_slave_mac(slave, gbe_intf);
2279 	/* enable forwarding */
2280 	cpsw_ale_control_set(priv->ale, slave->port_num,
2281 			     ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);
2282 	cpsw_ale_add_mcast(priv->ale, gbe_intf->ndev->broadcast,
2283 			   1 << slave->port_num, 0, 0, ALE_MCAST_FWD_2);
2284 
2285 	if (slave->link_interface == SGMII_LINK_MAC_PHY) {
2286 		has_phy = true;
2287 		phy_mode = PHY_INTERFACE_MODE_SGMII;
2288 		slave->phy_port_t = PORT_MII;
2289 	} else if (slave->link_interface == XGMII_LINK_MAC_PHY) {
2290 		has_phy = true;
2291 		phy_mode = PHY_INTERFACE_MODE_NA;
2292 		slave->phy_port_t = PORT_FIBRE;
2293 	}
2294 
2295 	if (has_phy) {
2296 		if (priv->ss_version == XGBE_SS_VERSION_10)
2297 			hndlr = xgbe_adjust_link;
2298 
2299 		slave->phy = of_phy_connect(gbe_intf->ndev,
2300 					    slave->phy_node,
2301 					    hndlr, 0,
2302 					    phy_mode);
2303 		if (!slave->phy) {
2304 			dev_err(priv->dev, "phy not found on slave %d\n",
2305 				slave->slave_num);
2306 			return -ENODEV;
2307 		}
2308 		dev_dbg(priv->dev, "phy found: id is: 0x%s\n",
2309 			phydev_name(slave->phy));
2310 		phy_start(slave->phy);
2311 	}
2312 	return 0;
2313 }
2314 
2315 static void gbe_init_host_port(struct gbe_priv *priv)
2316 {
2317 	int bypass_en = 1;
2318 
2319 	/* Host Tx Pri */
2320 	if (IS_SS_ID_NU(priv) || IS_SS_ID_XGBE(priv))
2321 		writel(HOST_TX_PRI_MAP_DEFAULT,
2322 		       GBE_REG_ADDR(priv, host_port_regs, tx_pri_map));
2323 
2324 	/* Max length register */
2325 	writel(NETCP_MAX_FRAME_SIZE, GBE_REG_ADDR(priv, host_port_regs,
2326 						  rx_maxlen));
2327 
2328 	cpsw_ale_start(priv->ale);
2329 
2330 	if (priv->enable_ale)
2331 		bypass_en = 0;
2332 
2333 	cpsw_ale_control_set(priv->ale, 0, ALE_BYPASS, bypass_en);
2334 
2335 	cpsw_ale_control_set(priv->ale, 0, ALE_NO_PORT_VLAN, 1);
2336 
2337 	cpsw_ale_control_set(priv->ale, priv->host_port,
2338 			     ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);
2339 
2340 	cpsw_ale_control_set(priv->ale, 0,
2341 			     ALE_PORT_UNKNOWN_VLAN_MEMBER,
2342 			     GBE_PORT_MASK(priv->ale_ports));
2343 
2344 	cpsw_ale_control_set(priv->ale, 0,
2345 			     ALE_PORT_UNKNOWN_MCAST_FLOOD,
2346 			     GBE_PORT_MASK(priv->ale_ports - 1));
2347 
2348 	cpsw_ale_control_set(priv->ale, 0,
2349 			     ALE_PORT_UNKNOWN_REG_MCAST_FLOOD,
2350 			     GBE_PORT_MASK(priv->ale_ports));
2351 
2352 	cpsw_ale_control_set(priv->ale, 0,
2353 			     ALE_PORT_UNTAGGED_EGRESS,
2354 			     GBE_PORT_MASK(priv->ale_ports));
2355 }
2356 
2357 static void gbe_add_mcast_addr(struct gbe_intf *gbe_intf, u8 *addr)
2358 {
2359 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2360 	u16 vlan_id;
2361 
2362 	cpsw_ale_add_mcast(gbe_dev->ale, addr,
2363 			   GBE_PORT_MASK(gbe_dev->ale_ports), 0, 0,
2364 			   ALE_MCAST_FWD_2);
2365 	for_each_set_bit(vlan_id, gbe_intf->active_vlans, VLAN_N_VID) {
2366 		cpsw_ale_add_mcast(gbe_dev->ale, addr,
2367 				   GBE_PORT_MASK(gbe_dev->ale_ports),
2368 				   ALE_VLAN, vlan_id, ALE_MCAST_FWD_2);
2369 	}
2370 }
2371 
2372 static void gbe_add_ucast_addr(struct gbe_intf *gbe_intf, u8 *addr)
2373 {
2374 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2375 	u16 vlan_id;
2376 
2377 	cpsw_ale_add_ucast(gbe_dev->ale, addr, gbe_dev->host_port, 0, 0);
2378 
2379 	for_each_set_bit(vlan_id, gbe_intf->active_vlans, VLAN_N_VID)
2380 		cpsw_ale_add_ucast(gbe_dev->ale, addr, gbe_dev->host_port,
2381 				   ALE_VLAN, vlan_id);
2382 }
2383 
2384 static void gbe_del_mcast_addr(struct gbe_intf *gbe_intf, u8 *addr)
2385 {
2386 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2387 	u16 vlan_id;
2388 
2389 	cpsw_ale_del_mcast(gbe_dev->ale, addr, 0, 0, 0);
2390 
2391 	for_each_set_bit(vlan_id, gbe_intf->active_vlans, VLAN_N_VID) {
2392 		cpsw_ale_del_mcast(gbe_dev->ale, addr, 0, ALE_VLAN, vlan_id);
2393 	}
2394 }
2395 
2396 static void gbe_del_ucast_addr(struct gbe_intf *gbe_intf, u8 *addr)
2397 {
2398 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2399 	u16 vlan_id;
2400 
2401 	cpsw_ale_del_ucast(gbe_dev->ale, addr, gbe_dev->host_port, 0, 0);
2402 
2403 	for_each_set_bit(vlan_id, gbe_intf->active_vlans, VLAN_N_VID) {
2404 		cpsw_ale_del_ucast(gbe_dev->ale, addr, gbe_dev->host_port,
2405 				   ALE_VLAN, vlan_id);
2406 	}
2407 }
2408 
2409 static int gbe_add_addr(void *intf_priv, struct netcp_addr *naddr)
2410 {
2411 	struct gbe_intf *gbe_intf = intf_priv;
2412 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2413 
2414 	dev_dbg(gbe_dev->dev, "ethss adding address %pM, type %d\n",
2415 		naddr->addr, naddr->type);
2416 
2417 	switch (naddr->type) {
2418 	case ADDR_MCAST:
2419 	case ADDR_BCAST:
2420 		gbe_add_mcast_addr(gbe_intf, naddr->addr);
2421 		break;
2422 	case ADDR_UCAST:
2423 	case ADDR_DEV:
2424 		gbe_add_ucast_addr(gbe_intf, naddr->addr);
2425 		break;
2426 	case ADDR_ANY:
2427 		/* nothing to do for promiscuous */
2428 	default:
2429 		break;
2430 	}
2431 
2432 	return 0;
2433 }
2434 
2435 static int gbe_del_addr(void *intf_priv, struct netcp_addr *naddr)
2436 {
2437 	struct gbe_intf *gbe_intf = intf_priv;
2438 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2439 
2440 	dev_dbg(gbe_dev->dev, "ethss deleting address %pM, type %d\n",
2441 		naddr->addr, naddr->type);
2442 
2443 	switch (naddr->type) {
2444 	case ADDR_MCAST:
2445 	case ADDR_BCAST:
2446 		gbe_del_mcast_addr(gbe_intf, naddr->addr);
2447 		break;
2448 	case ADDR_UCAST:
2449 	case ADDR_DEV:
2450 		gbe_del_ucast_addr(gbe_intf, naddr->addr);
2451 		break;
2452 	case ADDR_ANY:
2453 		/* nothing to do for promiscuous */
2454 	default:
2455 		break;
2456 	}
2457 
2458 	return 0;
2459 }
2460 
2461 static int gbe_add_vid(void *intf_priv, int vid)
2462 {
2463 	struct gbe_intf *gbe_intf = intf_priv;
2464 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2465 
2466 	set_bit(vid, gbe_intf->active_vlans);
2467 
2468 	cpsw_ale_add_vlan(gbe_dev->ale, vid,
2469 			  GBE_PORT_MASK(gbe_dev->ale_ports),
2470 			  GBE_MASK_NO_PORTS,
2471 			  GBE_PORT_MASK(gbe_dev->ale_ports),
2472 			  GBE_PORT_MASK(gbe_dev->ale_ports - 1));
2473 
2474 	return 0;
2475 }
2476 
2477 static int gbe_del_vid(void *intf_priv, int vid)
2478 {
2479 	struct gbe_intf *gbe_intf = intf_priv;
2480 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2481 
2482 	cpsw_ale_del_vlan(gbe_dev->ale, vid, 0);
2483 	clear_bit(vid, gbe_intf->active_vlans);
2484 	return 0;
2485 }
2486 
2487 #if IS_ENABLED(CONFIG_TI_CPTS)
2488 #define HAS_PHY_TXTSTAMP(p) ((p)->drv && (p)->drv->txtstamp)
2489 #define HAS_PHY_RXTSTAMP(p) ((p)->drv && (p)->drv->rxtstamp)
2490 
2491 static void gbe_txtstamp(void *context, struct sk_buff *skb)
2492 {
2493 	struct gbe_intf *gbe_intf = context;
2494 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2495 
2496 	cpts_tx_timestamp(gbe_dev->cpts, skb);
2497 }
2498 
2499 static bool gbe_need_txtstamp(struct gbe_intf *gbe_intf,
2500 			      const struct netcp_packet *p_info)
2501 {
2502 	struct sk_buff *skb = p_info->skb;
2503 
2504 	return cpts_can_timestamp(gbe_intf->gbe_dev->cpts, skb);
2505 }
2506 
2507 static int gbe_txtstamp_mark_pkt(struct gbe_intf *gbe_intf,
2508 				 struct netcp_packet *p_info)
2509 {
2510 	struct phy_device *phydev = p_info->skb->dev->phydev;
2511 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2512 
2513 	if (!(skb_shinfo(p_info->skb)->tx_flags & SKBTX_HW_TSTAMP) ||
2514 	    !cpts_is_tx_enabled(gbe_dev->cpts))
2515 		return 0;
2516 
2517 	/* If phy has the txtstamp api, assume it will do it.
2518 	 * We mark it here because skb_tx_timestamp() is called
2519 	 * after all the txhooks are called.
2520 	 */
2521 	if (phydev && HAS_PHY_TXTSTAMP(phydev)) {
2522 		skb_shinfo(p_info->skb)->tx_flags |= SKBTX_IN_PROGRESS;
2523 		return 0;
2524 	}
2525 
2526 	if (gbe_need_txtstamp(gbe_intf, p_info)) {
2527 		p_info->txtstamp = gbe_txtstamp;
2528 		p_info->ts_context = (void *)gbe_intf;
2529 		skb_shinfo(p_info->skb)->tx_flags |= SKBTX_IN_PROGRESS;
2530 	}
2531 
2532 	return 0;
2533 }
2534 
2535 static int gbe_rxtstamp(struct gbe_intf *gbe_intf, struct netcp_packet *p_info)
2536 {
2537 	struct phy_device *phydev = p_info->skb->dev->phydev;
2538 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2539 
2540 	if (p_info->rxtstamp_complete)
2541 		return 0;
2542 
2543 	if (phydev && HAS_PHY_RXTSTAMP(phydev)) {
2544 		p_info->rxtstamp_complete = true;
2545 		return 0;
2546 	}
2547 
2548 	cpts_rx_timestamp(gbe_dev->cpts, p_info->skb);
2549 	p_info->rxtstamp_complete = true;
2550 
2551 	return 0;
2552 }
2553 
2554 static int gbe_hwtstamp_get(struct gbe_intf *gbe_intf, struct ifreq *ifr)
2555 {
2556 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2557 	struct cpts *cpts = gbe_dev->cpts;
2558 	struct hwtstamp_config cfg;
2559 
2560 	if (!cpts)
2561 		return -EOPNOTSUPP;
2562 
2563 	cfg.flags = 0;
2564 	cfg.tx_type = cpts_is_tx_enabled(cpts) ?
2565 		      HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
2566 	cfg.rx_filter = (cpts_is_rx_enabled(cpts) ?
2567 			 cpts->rx_enable : HWTSTAMP_FILTER_NONE);
2568 
2569 	return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
2570 }
2571 
2572 static void gbe_hwtstamp(struct gbe_intf *gbe_intf)
2573 {
2574 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2575 	struct gbe_slave *slave = gbe_intf->slave;
2576 	u32 ts_en, seq_id, ctl;
2577 
2578 	if (!cpts_is_rx_enabled(gbe_dev->cpts) &&
2579 	    !cpts_is_tx_enabled(gbe_dev->cpts)) {
2580 		writel(0, GBE_REG_ADDR(slave, port_regs, ts_ctl));
2581 		return;
2582 	}
2583 
2584 	seq_id = (30 << TS_SEQ_ID_OFS_SHIFT) | ETH_P_1588;
2585 	ts_en = EVENT_MSG_BITS << TS_MSG_TYPE_EN_SHIFT;
2586 	ctl = ETH_P_1588 | TS_TTL_NONZERO |
2587 		(slave->ts_ctl.dst_port_map << TS_CTL_DST_PORT_SHIFT) |
2588 		(slave->ts_ctl.uni ?  TS_UNI_EN :
2589 			slave->ts_ctl.maddr_map << TS_CTL_MADDR_SHIFT);
2590 
2591 	if (cpts_is_tx_enabled(gbe_dev->cpts))
2592 		ts_en |= (TS_TX_ANX_ALL_EN | TS_TX_VLAN_LT1_EN);
2593 
2594 	if (cpts_is_rx_enabled(gbe_dev->cpts))
2595 		ts_en |= (TS_RX_ANX_ALL_EN | TS_RX_VLAN_LT1_EN);
2596 
2597 	writel(ts_en,  GBE_REG_ADDR(slave, port_regs, ts_ctl));
2598 	writel(seq_id, GBE_REG_ADDR(slave, port_regs, ts_seq_ltype));
2599 	writel(ctl,    GBE_REG_ADDR(slave, port_regs, ts_ctl_ltype2));
2600 }
2601 
2602 static int gbe_hwtstamp_set(struct gbe_intf *gbe_intf, struct ifreq *ifr)
2603 {
2604 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2605 	struct cpts *cpts = gbe_dev->cpts;
2606 	struct hwtstamp_config cfg;
2607 
2608 	if (!cpts)
2609 		return -EOPNOTSUPP;
2610 
2611 	if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
2612 		return -EFAULT;
2613 
2614 	/* reserved for future extensions */
2615 	if (cfg.flags)
2616 		return -EINVAL;
2617 
2618 	switch (cfg.tx_type) {
2619 	case HWTSTAMP_TX_OFF:
2620 		cpts_tx_enable(cpts, 0);
2621 		break;
2622 	case HWTSTAMP_TX_ON:
2623 		cpts_tx_enable(cpts, 1);
2624 		break;
2625 	default:
2626 		return -ERANGE;
2627 	}
2628 
2629 	switch (cfg.rx_filter) {
2630 	case HWTSTAMP_FILTER_NONE:
2631 		cpts_rx_enable(cpts, 0);
2632 		break;
2633 	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
2634 	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
2635 	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
2636 		cpts_rx_enable(cpts, HWTSTAMP_FILTER_PTP_V1_L4_EVENT);
2637 		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
2638 		break;
2639 	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
2640 	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
2641 	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
2642 	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
2643 	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
2644 	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
2645 	case HWTSTAMP_FILTER_PTP_V2_EVENT:
2646 	case HWTSTAMP_FILTER_PTP_V2_SYNC:
2647 	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
2648 		cpts_rx_enable(cpts, HWTSTAMP_FILTER_PTP_V2_EVENT);
2649 		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
2650 		break;
2651 	default:
2652 		return -ERANGE;
2653 	}
2654 
2655 	gbe_hwtstamp(gbe_intf);
2656 
2657 	return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
2658 }
2659 
2660 static void gbe_register_cpts(struct gbe_priv *gbe_dev)
2661 {
2662 	if (!gbe_dev->cpts)
2663 		return;
2664 
2665 	if (gbe_dev->cpts_registered > 0)
2666 		goto done;
2667 
2668 	if (cpts_register(gbe_dev->cpts)) {
2669 		dev_err(gbe_dev->dev, "error registering cpts device\n");
2670 		return;
2671 	}
2672 
2673 done:
2674 	++gbe_dev->cpts_registered;
2675 }
2676 
2677 static void gbe_unregister_cpts(struct gbe_priv *gbe_dev)
2678 {
2679 	if (!gbe_dev->cpts || (gbe_dev->cpts_registered <= 0))
2680 		return;
2681 
2682 	if (--gbe_dev->cpts_registered)
2683 		return;
2684 
2685 	cpts_unregister(gbe_dev->cpts);
2686 }
2687 #else
2688 static inline int gbe_txtstamp_mark_pkt(struct gbe_intf *gbe_intf,
2689 					struct netcp_packet *p_info)
2690 {
2691 	return 0;
2692 }
2693 
2694 static inline int gbe_rxtstamp(struct gbe_intf *gbe_intf,
2695 			       struct netcp_packet *p_info)
2696 {
2697 	return 0;
2698 }
2699 
2700 static inline int gbe_hwtstamp(struct gbe_intf *gbe_intf,
2701 			       struct ifreq *ifr, int cmd)
2702 {
2703 	return -EOPNOTSUPP;
2704 }
2705 
2706 static inline void gbe_register_cpts(struct gbe_priv *gbe_dev)
2707 {
2708 }
2709 
2710 static inline void gbe_unregister_cpts(struct gbe_priv *gbe_dev)
2711 {
2712 }
2713 
2714 static inline int gbe_hwtstamp_get(struct gbe_intf *gbe_intf, struct ifreq *req)
2715 {
2716 	return -EOPNOTSUPP;
2717 }
2718 
2719 static inline int gbe_hwtstamp_set(struct gbe_intf *gbe_intf, struct ifreq *req)
2720 {
2721 	return -EOPNOTSUPP;
2722 }
2723 #endif /* CONFIG_TI_CPTS */
2724 
2725 static int gbe_ioctl(void *intf_priv, struct ifreq *req, int cmd)
2726 {
2727 	struct gbe_intf *gbe_intf = intf_priv;
2728 	struct phy_device *phy = gbe_intf->slave->phy;
2729 
2730 	if (!phy || !phy->drv->hwtstamp) {
2731 		switch (cmd) {
2732 		case SIOCGHWTSTAMP:
2733 			return gbe_hwtstamp_get(gbe_intf, req);
2734 		case SIOCSHWTSTAMP:
2735 			return gbe_hwtstamp_set(gbe_intf, req);
2736 		}
2737 	}
2738 
2739 	if (phy)
2740 		return phy_mii_ioctl(phy, req, cmd);
2741 
2742 	return -EOPNOTSUPP;
2743 }
2744 
2745 static void netcp_ethss_timer(struct timer_list *t)
2746 {
2747 	struct gbe_priv *gbe_dev = from_timer(gbe_dev, t, timer);
2748 	struct gbe_intf *gbe_intf;
2749 	struct gbe_slave *slave;
2750 
2751 	/* Check & update SGMII link state of interfaces */
2752 	for_each_intf(gbe_intf, gbe_dev) {
2753 		if (!gbe_intf->slave->open)
2754 			continue;
2755 		netcp_ethss_update_link_state(gbe_dev, gbe_intf->slave,
2756 					      gbe_intf->ndev);
2757 	}
2758 
2759 	/* Check & update SGMII link state of secondary ports */
2760 	for_each_sec_slave(slave, gbe_dev) {
2761 		netcp_ethss_update_link_state(gbe_dev, slave, NULL);
2762 	}
2763 
2764 	/* A timer runs as a BH, no need to block them */
2765 	spin_lock(&gbe_dev->hw_stats_lock);
2766 
2767 	if (gbe_dev->ss_version == GBE_SS_VERSION_14)
2768 		gbe_update_stats_ver14(gbe_dev, NULL);
2769 	else
2770 		gbe_update_stats(gbe_dev, NULL);
2771 
2772 	spin_unlock(&gbe_dev->hw_stats_lock);
2773 
2774 	gbe_dev->timer.expires	= jiffies + GBE_TIMER_INTERVAL;
2775 	add_timer(&gbe_dev->timer);
2776 }
2777 
2778 static int gbe_txhook(int order, void *data, struct netcp_packet *p_info)
2779 {
2780 	struct gbe_intf *gbe_intf = data;
2781 
2782 	p_info->tx_pipe = &gbe_intf->tx_pipe;
2783 
2784 	return gbe_txtstamp_mark_pkt(gbe_intf, p_info);
2785 }
2786 
2787 static int gbe_rxhook(int order, void *data, struct netcp_packet *p_info)
2788 {
2789 	struct gbe_intf *gbe_intf = data;
2790 
2791 	return gbe_rxtstamp(gbe_intf, p_info);
2792 }
2793 
2794 static int gbe_open(void *intf_priv, struct net_device *ndev)
2795 {
2796 	struct gbe_intf *gbe_intf = intf_priv;
2797 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2798 	struct netcp_intf *netcp = netdev_priv(ndev);
2799 	struct gbe_slave *slave = gbe_intf->slave;
2800 	int port_num = slave->port_num;
2801 	u32 reg, val;
2802 	int ret;
2803 
2804 	reg = readl(GBE_REG_ADDR(gbe_dev, switch_regs, id_ver));
2805 	dev_dbg(gbe_dev->dev, "initializing gbe version %d.%d (%d) GBE identification value 0x%x\n",
2806 		GBE_MAJOR_VERSION(reg), GBE_MINOR_VERSION(reg),
2807 		GBE_RTL_VERSION(reg), GBE_IDENT(reg));
2808 
2809 	/* For 10G and on NetCP 1.5, use directed to port */
2810 	if ((gbe_dev->ss_version == XGBE_SS_VERSION_10) || IS_SS_ID_MU(gbe_dev))
2811 		gbe_intf->tx_pipe.flags = SWITCH_TO_PORT_IN_TAGINFO;
2812 
2813 	if (gbe_dev->enable_ale)
2814 		gbe_intf->tx_pipe.switch_to_port = 0;
2815 	else
2816 		gbe_intf->tx_pipe.switch_to_port = port_num;
2817 
2818 	dev_dbg(gbe_dev->dev,
2819 		"opened TX channel %s: %p with to port %d, flags %d\n",
2820 		gbe_intf->tx_pipe.dma_chan_name,
2821 		gbe_intf->tx_pipe.dma_channel,
2822 		gbe_intf->tx_pipe.switch_to_port,
2823 		gbe_intf->tx_pipe.flags);
2824 
2825 	gbe_slave_stop(gbe_intf);
2826 
2827 	/* disable priority elevation and enable statistics on all ports */
2828 	writel(0, GBE_REG_ADDR(gbe_dev, switch_regs, ptype));
2829 
2830 	/* Control register */
2831 	val = GBE_CTL_P0_ENABLE;
2832 	if (IS_SS_ID_MU(gbe_dev)) {
2833 		val |= ETH_SW_CTL_P0_TX_CRC_REMOVE;
2834 		netcp->hw_cap = ETH_SW_CAN_REMOVE_ETH_FCS;
2835 	}
2836 	writel(val, GBE_REG_ADDR(gbe_dev, switch_regs, control));
2837 
2838 	/* All statistics enabled and STAT AB visible by default */
2839 	writel(gbe_dev->stats_en_mask, GBE_REG_ADDR(gbe_dev, switch_regs,
2840 						    stat_port_en));
2841 
2842 	ret = gbe_slave_open(gbe_intf);
2843 	if (ret)
2844 		goto fail;
2845 
2846 	netcp_register_txhook(netcp, GBE_TXHOOK_ORDER, gbe_txhook, gbe_intf);
2847 	netcp_register_rxhook(netcp, GBE_RXHOOK_ORDER, gbe_rxhook, gbe_intf);
2848 
2849 	slave->open = true;
2850 	netcp_ethss_update_link_state(gbe_dev, slave, ndev);
2851 
2852 	gbe_register_cpts(gbe_dev);
2853 
2854 	return 0;
2855 
2856 fail:
2857 	gbe_slave_stop(gbe_intf);
2858 	return ret;
2859 }
2860 
2861 static int gbe_close(void *intf_priv, struct net_device *ndev)
2862 {
2863 	struct gbe_intf *gbe_intf = intf_priv;
2864 	struct netcp_intf *netcp = netdev_priv(ndev);
2865 	struct gbe_priv *gbe_dev = gbe_intf->gbe_dev;
2866 
2867 	gbe_unregister_cpts(gbe_dev);
2868 
2869 	gbe_slave_stop(gbe_intf);
2870 
2871 	netcp_unregister_rxhook(netcp, GBE_RXHOOK_ORDER, gbe_rxhook, gbe_intf);
2872 	netcp_unregister_txhook(netcp, GBE_TXHOOK_ORDER, gbe_txhook, gbe_intf);
2873 
2874 	gbe_intf->slave->open = false;
2875 	atomic_set(&gbe_intf->slave->link_state, NETCP_LINK_STATE_INVALID);
2876 	return 0;
2877 }
2878 
2879 #if IS_ENABLED(CONFIG_TI_CPTS)
2880 static void init_slave_ts_ctl(struct gbe_slave *slave)
2881 {
2882 	slave->ts_ctl.uni = 1;
2883 	slave->ts_ctl.dst_port_map =
2884 		(TS_CTL_DST_PORT >> TS_CTL_DST_PORT_SHIFT) & 0x3;
2885 	slave->ts_ctl.maddr_map =
2886 		(TS_CTL_MADDR_ALL >> TS_CTL_MADDR_SHIFT) & 0x1f;
2887 }
2888 
2889 #else
2890 static void init_slave_ts_ctl(struct gbe_slave *slave)
2891 {
2892 }
2893 #endif /* CONFIG_TI_CPTS */
2894 
2895 static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
2896 		      struct device_node *node)
2897 {
2898 	int port_reg_num;
2899 	u32 port_reg_ofs, emac_reg_ofs;
2900 	u32 port_reg_blk_sz, emac_reg_blk_sz;
2901 
2902 	if (of_property_read_u32(node, "slave-port", &slave->slave_num)) {
2903 		dev_err(gbe_dev->dev, "missing slave-port parameter\n");
2904 		return -EINVAL;
2905 	}
2906 
2907 	if (of_property_read_u32(node, "link-interface",
2908 				 &slave->link_interface)) {
2909 		dev_warn(gbe_dev->dev,
2910 			 "missing link-interface value defaulting to 1G mac-phy link\n");
2911 		slave->link_interface = SGMII_LINK_MAC_PHY;
2912 	}
2913 
2914 	slave->open = false;
2915 	if ((slave->link_interface == SGMII_LINK_MAC_PHY) ||
2916 	    (slave->link_interface == XGMII_LINK_MAC_PHY))
2917 		slave->phy_node = of_parse_phandle(node, "phy-handle", 0);
2918 	slave->port_num = gbe_get_slave_port(gbe_dev, slave->slave_num);
2919 
2920 	if (slave->link_interface >= XGMII_LINK_MAC_PHY)
2921 		slave->mac_control = GBE_DEF_10G_MAC_CONTROL;
2922 	else
2923 		slave->mac_control = GBE_DEF_1G_MAC_CONTROL;
2924 
2925 	/* Emac regs memmap are contiguous but port regs are not */
2926 	port_reg_num = slave->slave_num;
2927 	if (gbe_dev->ss_version == GBE_SS_VERSION_14) {
2928 		if (slave->slave_num > 1) {
2929 			port_reg_ofs = GBE13_SLAVE_PORT2_OFFSET;
2930 			port_reg_num -= 2;
2931 		} else {
2932 			port_reg_ofs = GBE13_SLAVE_PORT_OFFSET;
2933 		}
2934 		emac_reg_ofs = GBE13_EMAC_OFFSET;
2935 		port_reg_blk_sz = 0x30;
2936 		emac_reg_blk_sz = 0x40;
2937 	} else if (IS_SS_ID_MU(gbe_dev)) {
2938 		port_reg_ofs = GBENU_SLAVE_PORT_OFFSET;
2939 		emac_reg_ofs = GBENU_EMAC_OFFSET;
2940 		port_reg_blk_sz = 0x1000;
2941 		emac_reg_blk_sz = 0x1000;
2942 	} else if (gbe_dev->ss_version == XGBE_SS_VERSION_10) {
2943 		port_reg_ofs = XGBE10_SLAVE_PORT_OFFSET;
2944 		emac_reg_ofs = XGBE10_EMAC_OFFSET;
2945 		port_reg_blk_sz = 0x30;
2946 		emac_reg_blk_sz = 0x40;
2947 	} else {
2948 		dev_err(gbe_dev->dev, "unknown ethss(0x%x)\n",
2949 			gbe_dev->ss_version);
2950 		return -EINVAL;
2951 	}
2952 
2953 	slave->port_regs = gbe_dev->switch_regs + port_reg_ofs +
2954 				(port_reg_blk_sz * port_reg_num);
2955 	slave->emac_regs = gbe_dev->switch_regs + emac_reg_ofs +
2956 				(emac_reg_blk_sz * slave->slave_num);
2957 
2958 	if (gbe_dev->ss_version == GBE_SS_VERSION_14) {
2959 		/* Initialize  slave port register offsets */
2960 		GBE_SET_REG_OFS(slave, port_regs, port_vlan);
2961 		GBE_SET_REG_OFS(slave, port_regs, tx_pri_map);
2962 		GBE_SET_REG_OFS(slave, port_regs, sa_lo);
2963 		GBE_SET_REG_OFS(slave, port_regs, sa_hi);
2964 		GBE_SET_REG_OFS(slave, port_regs, ts_ctl);
2965 		GBE_SET_REG_OFS(slave, port_regs, ts_seq_ltype);
2966 		GBE_SET_REG_OFS(slave, port_regs, ts_vlan);
2967 		GBE_SET_REG_OFS(slave, port_regs, ts_ctl_ltype2);
2968 		GBE_SET_REG_OFS(slave, port_regs, ts_ctl2);
2969 
2970 		/* Initialize EMAC register offsets */
2971 		GBE_SET_REG_OFS(slave, emac_regs, mac_control);
2972 		GBE_SET_REG_OFS(slave, emac_regs, soft_reset);
2973 		GBE_SET_REG_OFS(slave, emac_regs, rx_maxlen);
2974 
2975 	} else if (IS_SS_ID_MU(gbe_dev)) {
2976 		/* Initialize  slave port register offsets */
2977 		GBENU_SET_REG_OFS(slave, port_regs, port_vlan);
2978 		GBENU_SET_REG_OFS(slave, port_regs, tx_pri_map);
2979 		GBENU_SET_REG_OFS(slave, port_regs, sa_lo);
2980 		GBENU_SET_REG_OFS(slave, port_regs, sa_hi);
2981 		GBENU_SET_REG_OFS(slave, port_regs, ts_ctl);
2982 		GBENU_SET_REG_OFS(slave, port_regs, ts_seq_ltype);
2983 		GBENU_SET_REG_OFS(slave, port_regs, ts_vlan);
2984 		GBENU_SET_REG_OFS(slave, port_regs, ts_ctl_ltype2);
2985 		GBENU_SET_REG_OFS(slave, port_regs, ts_ctl2);
2986 		GBENU_SET_REG_OFS(slave, port_regs, rx_maxlen);
2987 
2988 		/* Initialize EMAC register offsets */
2989 		GBENU_SET_REG_OFS(slave, emac_regs, mac_control);
2990 		GBENU_SET_REG_OFS(slave, emac_regs, soft_reset);
2991 
2992 	} else if (gbe_dev->ss_version == XGBE_SS_VERSION_10) {
2993 		/* Initialize  slave port register offsets */
2994 		XGBE_SET_REG_OFS(slave, port_regs, port_vlan);
2995 		XGBE_SET_REG_OFS(slave, port_regs, tx_pri_map);
2996 		XGBE_SET_REG_OFS(slave, port_regs, sa_lo);
2997 		XGBE_SET_REG_OFS(slave, port_regs, sa_hi);
2998 		XGBE_SET_REG_OFS(slave, port_regs, ts_ctl);
2999 		XGBE_SET_REG_OFS(slave, port_regs, ts_seq_ltype);
3000 		XGBE_SET_REG_OFS(slave, port_regs, ts_vlan);
3001 		XGBE_SET_REG_OFS(slave, port_regs, ts_ctl_ltype2);
3002 		XGBE_SET_REG_OFS(slave, port_regs, ts_ctl2);
3003 
3004 		/* Initialize EMAC register offsets */
3005 		XGBE_SET_REG_OFS(slave, emac_regs, mac_control);
3006 		XGBE_SET_REG_OFS(slave, emac_regs, soft_reset);
3007 		XGBE_SET_REG_OFS(slave, emac_regs, rx_maxlen);
3008 	}
3009 
3010 	atomic_set(&slave->link_state, NETCP_LINK_STATE_INVALID);
3011 
3012 	init_slave_ts_ctl(slave);
3013 	return 0;
3014 }
3015 
3016 static void init_secondary_ports(struct gbe_priv *gbe_dev,
3017 				 struct device_node *node)
3018 {
3019 	struct device *dev = gbe_dev->dev;
3020 	phy_interface_t phy_mode;
3021 	struct gbe_priv **priv;
3022 	struct device_node *port;
3023 	struct gbe_slave *slave;
3024 	bool mac_phy_link = false;
3025 
3026 	for_each_child_of_node(node, port) {
3027 		slave = devm_kzalloc(dev, sizeof(*slave), GFP_KERNEL);
3028 		if (!slave) {
3029 			dev_err(dev, "memory alloc failed for secondary port(%s), skipping...\n",
3030 				port->name);
3031 			continue;
3032 		}
3033 
3034 		if (init_slave(gbe_dev, slave, port)) {
3035 			dev_err(dev,
3036 				"Failed to initialize secondary port(%s), skipping...\n",
3037 				port->name);
3038 			devm_kfree(dev, slave);
3039 			continue;
3040 		}
3041 
3042 		gbe_sgmii_config(gbe_dev, slave);
3043 		gbe_port_reset(slave);
3044 		gbe_port_config(gbe_dev, slave, gbe_dev->rx_packet_max);
3045 		list_add_tail(&slave->slave_list, &gbe_dev->secondary_slaves);
3046 		gbe_dev->num_slaves++;
3047 		if ((slave->link_interface == SGMII_LINK_MAC_PHY) ||
3048 		    (slave->link_interface == XGMII_LINK_MAC_PHY))
3049 			mac_phy_link = true;
3050 
3051 		slave->open = true;
3052 		if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) {
3053 			of_node_put(port);
3054 			break;
3055 		}
3056 	}
3057 
3058 	/* of_phy_connect() is needed only for MAC-PHY interface */
3059 	if (!mac_phy_link)
3060 		return;
3061 
3062 	/* Allocate dummy netdev device for attaching to phy device */
3063 	gbe_dev->dummy_ndev = alloc_netdev(sizeof(gbe_dev), "dummy",
3064 					NET_NAME_UNKNOWN, ether_setup);
3065 	if (!gbe_dev->dummy_ndev) {
3066 		dev_err(dev,
3067 			"Failed to allocate dummy netdev for secondary ports, skipping phy_connect()...\n");
3068 		return;
3069 	}
3070 	priv = netdev_priv(gbe_dev->dummy_ndev);
3071 	*priv = gbe_dev;
3072 
3073 	if (slave->link_interface == SGMII_LINK_MAC_PHY) {
3074 		phy_mode = PHY_INTERFACE_MODE_SGMII;
3075 		slave->phy_port_t = PORT_MII;
3076 	} else {
3077 		phy_mode = PHY_INTERFACE_MODE_NA;
3078 		slave->phy_port_t = PORT_FIBRE;
3079 	}
3080 
3081 	for_each_sec_slave(slave, gbe_dev) {
3082 		if ((slave->link_interface != SGMII_LINK_MAC_PHY) &&
3083 		    (slave->link_interface != XGMII_LINK_MAC_PHY))
3084 			continue;
3085 		slave->phy =
3086 			of_phy_connect(gbe_dev->dummy_ndev,
3087 				       slave->phy_node,
3088 				       gbe_adjust_link_sec_slaves,
3089 				       0, phy_mode);
3090 		if (!slave->phy) {
3091 			dev_err(dev, "phy not found for slave %d\n",
3092 				slave->slave_num);
3093 			slave->phy = NULL;
3094 		} else {
3095 			dev_dbg(dev, "phy found: id is: 0x%s\n",
3096 				phydev_name(slave->phy));
3097 			phy_start(slave->phy);
3098 		}
3099 	}
3100 }
3101 
3102 static void free_secondary_ports(struct gbe_priv *gbe_dev)
3103 {
3104 	struct gbe_slave *slave;
3105 
3106 	while (!list_empty(&gbe_dev->secondary_slaves)) {
3107 		slave = first_sec_slave(gbe_dev);
3108 
3109 		if (slave->phy)
3110 			phy_disconnect(slave->phy);
3111 		list_del(&slave->slave_list);
3112 	}
3113 	if (gbe_dev->dummy_ndev)
3114 		free_netdev(gbe_dev->dummy_ndev);
3115 }
3116 
3117 static int set_xgbe_ethss10_priv(struct gbe_priv *gbe_dev,
3118 				 struct device_node *node)
3119 {
3120 	struct resource res;
3121 	void __iomem *regs;
3122 	int ret, i;
3123 
3124 	ret = of_address_to_resource(node, XGBE_SS_REG_INDEX, &res);
3125 	if (ret) {
3126 		dev_err(gbe_dev->dev,
3127 			"Can't xlate xgbe of node(%s) ss address at %d\n",
3128 			node->name, XGBE_SS_REG_INDEX);
3129 		return ret;
3130 	}
3131 
3132 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3133 	if (IS_ERR(regs)) {
3134 		dev_err(gbe_dev->dev, "Failed to map xgbe ss register base\n");
3135 		return PTR_ERR(regs);
3136 	}
3137 	gbe_dev->ss_regs = regs;
3138 
3139 	ret = of_address_to_resource(node, XGBE_SM_REG_INDEX, &res);
3140 	if (ret) {
3141 		dev_err(gbe_dev->dev,
3142 			"Can't xlate xgbe of node(%s) sm address at %d\n",
3143 			node->name, XGBE_SM_REG_INDEX);
3144 		return ret;
3145 	}
3146 
3147 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3148 	if (IS_ERR(regs)) {
3149 		dev_err(gbe_dev->dev, "Failed to map xgbe sm register base\n");
3150 		return PTR_ERR(regs);
3151 	}
3152 	gbe_dev->switch_regs = regs;
3153 
3154 	ret = of_address_to_resource(node, XGBE_SERDES_REG_INDEX, &res);
3155 	if (ret) {
3156 		dev_err(gbe_dev->dev,
3157 			"Can't xlate xgbe serdes of node(%s) address at %d\n",
3158 			node->name, XGBE_SERDES_REG_INDEX);
3159 		return ret;
3160 	}
3161 
3162 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3163 	if (IS_ERR(regs)) {
3164 		dev_err(gbe_dev->dev, "Failed to map xgbe serdes register base\n");
3165 		return PTR_ERR(regs);
3166 	}
3167 	gbe_dev->xgbe_serdes_regs = regs;
3168 
3169 	gbe_dev->num_stats_mods = gbe_dev->max_num_ports;
3170 	gbe_dev->et_stats = xgbe10_et_stats;
3171 	gbe_dev->num_et_stats = ARRAY_SIZE(xgbe10_et_stats);
3172 
3173 	gbe_dev->hw_stats = devm_kzalloc(gbe_dev->dev,
3174 					 gbe_dev->num_et_stats * sizeof(u64),
3175 					 GFP_KERNEL);
3176 	if (!gbe_dev->hw_stats) {
3177 		dev_err(gbe_dev->dev, "hw_stats memory allocation failed\n");
3178 		return -ENOMEM;
3179 	}
3180 
3181 	gbe_dev->hw_stats_prev =
3182 		devm_kzalloc(gbe_dev->dev,
3183 			     gbe_dev->num_et_stats * sizeof(u32),
3184 			     GFP_KERNEL);
3185 	if (!gbe_dev->hw_stats_prev) {
3186 		dev_err(gbe_dev->dev,
3187 			"hw_stats_prev memory allocation failed\n");
3188 		return -ENOMEM;
3189 	}
3190 
3191 	gbe_dev->ss_version = XGBE_SS_VERSION_10;
3192 	gbe_dev->sgmii_port_regs = gbe_dev->ss_regs +
3193 					XGBE10_SGMII_MODULE_OFFSET;
3194 	gbe_dev->host_port_regs = gbe_dev->ss_regs + XGBE10_HOST_PORT_OFFSET;
3195 
3196 	for (i = 0; i < gbe_dev->max_num_ports; i++)
3197 		gbe_dev->hw_stats_regs[i] = gbe_dev->switch_regs +
3198 			XGBE10_HW_STATS_OFFSET + (GBE_HW_STATS_REG_MAP_SZ * i);
3199 
3200 	gbe_dev->ale_reg = gbe_dev->switch_regs + XGBE10_ALE_OFFSET;
3201 	gbe_dev->cpts_reg = gbe_dev->switch_regs + XGBE10_CPTS_OFFSET;
3202 	gbe_dev->ale_ports = gbe_dev->max_num_ports;
3203 	gbe_dev->host_port = XGBE10_HOST_PORT_NUM;
3204 	gbe_dev->ale_entries = XGBE10_NUM_ALE_ENTRIES;
3205 	gbe_dev->stats_en_mask = (1 << (gbe_dev->max_num_ports)) - 1;
3206 
3207 	/* Subsystem registers */
3208 	XGBE_SET_REG_OFS(gbe_dev, ss_regs, id_ver);
3209 	XGBE_SET_REG_OFS(gbe_dev, ss_regs, control);
3210 
3211 	/* Switch module registers */
3212 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, id_ver);
3213 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, control);
3214 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, ptype);
3215 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, stat_port_en);
3216 	XGBE_SET_REG_OFS(gbe_dev, switch_regs, flow_control);
3217 
3218 	/* Host port registers */
3219 	XGBE_SET_REG_OFS(gbe_dev, host_port_regs, port_vlan);
3220 	XGBE_SET_REG_OFS(gbe_dev, host_port_regs, tx_pri_map);
3221 	XGBE_SET_REG_OFS(gbe_dev, host_port_regs, rx_maxlen);
3222 	return 0;
3223 }
3224 
3225 static int get_gbe_resource_version(struct gbe_priv *gbe_dev,
3226 				    struct device_node *node)
3227 {
3228 	struct resource res;
3229 	void __iomem *regs;
3230 	int ret;
3231 
3232 	ret = of_address_to_resource(node, GBE_SS_REG_INDEX, &res);
3233 	if (ret) {
3234 		dev_err(gbe_dev->dev,
3235 			"Can't translate of node(%s) of gbe ss address at %d\n",
3236 			node->name, GBE_SS_REG_INDEX);
3237 		return ret;
3238 	}
3239 
3240 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3241 	if (IS_ERR(regs)) {
3242 		dev_err(gbe_dev->dev, "Failed to map gbe register base\n");
3243 		return PTR_ERR(regs);
3244 	}
3245 	gbe_dev->ss_regs = regs;
3246 	gbe_dev->ss_version = readl(gbe_dev->ss_regs);
3247 	return 0;
3248 }
3249 
3250 static int set_gbe_ethss14_priv(struct gbe_priv *gbe_dev,
3251 				struct device_node *node)
3252 {
3253 	struct resource res;
3254 	void __iomem *regs;
3255 	int i, ret;
3256 
3257 	ret = of_address_to_resource(node, GBE_SGMII34_REG_INDEX, &res);
3258 	if (ret) {
3259 		dev_err(gbe_dev->dev,
3260 			"Can't translate of gbe node(%s) address at index %d\n",
3261 			node->name, GBE_SGMII34_REG_INDEX);
3262 		return ret;
3263 	}
3264 
3265 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3266 	if (IS_ERR(regs)) {
3267 		dev_err(gbe_dev->dev,
3268 			"Failed to map gbe sgmii port34 register base\n");
3269 		return PTR_ERR(regs);
3270 	}
3271 	gbe_dev->sgmii_port34_regs = regs;
3272 
3273 	ret = of_address_to_resource(node, GBE_SM_REG_INDEX, &res);
3274 	if (ret) {
3275 		dev_err(gbe_dev->dev,
3276 			"Can't translate of gbe node(%s) address at index %d\n",
3277 			node->name, GBE_SM_REG_INDEX);
3278 		return ret;
3279 	}
3280 
3281 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3282 	if (IS_ERR(regs)) {
3283 		dev_err(gbe_dev->dev,
3284 			"Failed to map gbe switch module register base\n");
3285 		return PTR_ERR(regs);
3286 	}
3287 	gbe_dev->switch_regs = regs;
3288 
3289 	gbe_dev->num_stats_mods = gbe_dev->max_num_slaves;
3290 	gbe_dev->et_stats = gbe13_et_stats;
3291 	gbe_dev->num_et_stats = ARRAY_SIZE(gbe13_et_stats);
3292 
3293 	gbe_dev->hw_stats = devm_kzalloc(gbe_dev->dev,
3294 					 gbe_dev->num_et_stats * sizeof(u64),
3295 					 GFP_KERNEL);
3296 	if (!gbe_dev->hw_stats) {
3297 		dev_err(gbe_dev->dev, "hw_stats memory allocation failed\n");
3298 		return -ENOMEM;
3299 	}
3300 
3301 	gbe_dev->hw_stats_prev =
3302 		devm_kzalloc(gbe_dev->dev,
3303 			     gbe_dev->num_et_stats * sizeof(u32),
3304 			     GFP_KERNEL);
3305 	if (!gbe_dev->hw_stats_prev) {
3306 		dev_err(gbe_dev->dev,
3307 			"hw_stats_prev memory allocation failed\n");
3308 		return -ENOMEM;
3309 	}
3310 
3311 	gbe_dev->sgmii_port_regs = gbe_dev->ss_regs + GBE13_SGMII_MODULE_OFFSET;
3312 	gbe_dev->host_port_regs = gbe_dev->switch_regs + GBE13_HOST_PORT_OFFSET;
3313 
3314 	/* K2HK has only 2 hw stats modules visible at a time, so
3315 	 * module 0 & 2 points to one base and
3316 	 * module 1 & 3 points to the other base
3317 	 */
3318 	for (i = 0; i < gbe_dev->max_num_slaves; i++) {
3319 		gbe_dev->hw_stats_regs[i] =
3320 			gbe_dev->switch_regs + GBE13_HW_STATS_OFFSET +
3321 			(GBE_HW_STATS_REG_MAP_SZ * (i & 0x1));
3322 	}
3323 
3324 	gbe_dev->cpts_reg = gbe_dev->switch_regs + GBE13_CPTS_OFFSET;
3325 	gbe_dev->ale_reg = gbe_dev->switch_regs + GBE13_ALE_OFFSET;
3326 	gbe_dev->ale_ports = gbe_dev->max_num_ports;
3327 	gbe_dev->host_port = GBE13_HOST_PORT_NUM;
3328 	gbe_dev->ale_entries = GBE13_NUM_ALE_ENTRIES;
3329 	gbe_dev->stats_en_mask = GBE13_REG_VAL_STAT_ENABLE_ALL;
3330 
3331 	/* Subsystem registers */
3332 	GBE_SET_REG_OFS(gbe_dev, ss_regs, id_ver);
3333 
3334 	/* Switch module registers */
3335 	GBE_SET_REG_OFS(gbe_dev, switch_regs, id_ver);
3336 	GBE_SET_REG_OFS(gbe_dev, switch_regs, control);
3337 	GBE_SET_REG_OFS(gbe_dev, switch_regs, soft_reset);
3338 	GBE_SET_REG_OFS(gbe_dev, switch_regs, stat_port_en);
3339 	GBE_SET_REG_OFS(gbe_dev, switch_regs, ptype);
3340 	GBE_SET_REG_OFS(gbe_dev, switch_regs, flow_control);
3341 
3342 	/* Host port registers */
3343 	GBE_SET_REG_OFS(gbe_dev, host_port_regs, port_vlan);
3344 	GBE_SET_REG_OFS(gbe_dev, host_port_regs, rx_maxlen);
3345 	return 0;
3346 }
3347 
3348 static int set_gbenu_ethss_priv(struct gbe_priv *gbe_dev,
3349 				struct device_node *node)
3350 {
3351 	struct resource res;
3352 	void __iomem *regs;
3353 	int i, ret;
3354 
3355 	gbe_dev->num_stats_mods = gbe_dev->max_num_ports;
3356 	gbe_dev->et_stats = gbenu_et_stats;
3357 
3358 	if (IS_SS_ID_NU(gbe_dev))
3359 		gbe_dev->num_et_stats = GBENU_ET_STATS_HOST_SIZE +
3360 			(gbe_dev->max_num_slaves * GBENU_ET_STATS_PORT_SIZE);
3361 	else
3362 		gbe_dev->num_et_stats = GBENU_ET_STATS_HOST_SIZE +
3363 					GBENU_ET_STATS_PORT_SIZE;
3364 
3365 	gbe_dev->hw_stats = devm_kzalloc(gbe_dev->dev,
3366 					 gbe_dev->num_et_stats * sizeof(u64),
3367 					 GFP_KERNEL);
3368 	if (!gbe_dev->hw_stats) {
3369 		dev_err(gbe_dev->dev, "hw_stats memory allocation failed\n");
3370 		return -ENOMEM;
3371 	}
3372 
3373 	gbe_dev->hw_stats_prev =
3374 		devm_kzalloc(gbe_dev->dev,
3375 			     gbe_dev->num_et_stats * sizeof(u32),
3376 			     GFP_KERNEL);
3377 	if (!gbe_dev->hw_stats_prev) {
3378 		dev_err(gbe_dev->dev,
3379 			"hw_stats_prev memory allocation failed\n");
3380 		return -ENOMEM;
3381 	}
3382 
3383 	ret = of_address_to_resource(node, GBENU_SM_REG_INDEX, &res);
3384 	if (ret) {
3385 		dev_err(gbe_dev->dev,
3386 			"Can't translate of gbenu node(%s) addr at index %d\n",
3387 			node->name, GBENU_SM_REG_INDEX);
3388 		return ret;
3389 	}
3390 
3391 	regs = devm_ioremap_resource(gbe_dev->dev, &res);
3392 	if (IS_ERR(regs)) {
3393 		dev_err(gbe_dev->dev,
3394 			"Failed to map gbenu switch module register base\n");
3395 		return PTR_ERR(regs);
3396 	}
3397 	gbe_dev->switch_regs = regs;
3398 
3399 	gbe_dev->sgmii_port_regs = gbe_dev->ss_regs + GBENU_SGMII_MODULE_OFFSET;
3400 
3401 	/* Although sgmii modules are mem mapped to one contiguous
3402 	 * region on GBENU devices, setting sgmii_port34_regs allows
3403 	 * consistent code when accessing sgmii api
3404 	 */
3405 	gbe_dev->sgmii_port34_regs = gbe_dev->sgmii_port_regs +
3406 				     (2 * GBENU_SGMII_MODULE_SIZE);
3407 
3408 	gbe_dev->host_port_regs = gbe_dev->switch_regs + GBENU_HOST_PORT_OFFSET;
3409 
3410 	for (i = 0; i < (gbe_dev->max_num_ports); i++)
3411 		gbe_dev->hw_stats_regs[i] = gbe_dev->switch_regs +
3412 			GBENU_HW_STATS_OFFSET + (GBENU_HW_STATS_REG_MAP_SZ * i);
3413 
3414 	gbe_dev->cpts_reg = gbe_dev->switch_regs + GBENU_CPTS_OFFSET;
3415 	gbe_dev->ale_reg = gbe_dev->switch_regs + GBENU_ALE_OFFSET;
3416 	gbe_dev->ale_ports = gbe_dev->max_num_ports;
3417 	gbe_dev->host_port = GBENU_HOST_PORT_NUM;
3418 	gbe_dev->stats_en_mask = (1 << (gbe_dev->max_num_ports)) - 1;
3419 
3420 	/* Subsystem registers */
3421 	GBENU_SET_REG_OFS(gbe_dev, ss_regs, id_ver);
3422 
3423 	/* Switch module registers */
3424 	GBENU_SET_REG_OFS(gbe_dev, switch_regs, id_ver);
3425 	GBENU_SET_REG_OFS(gbe_dev, switch_regs, control);
3426 	GBENU_SET_REG_OFS(gbe_dev, switch_regs, stat_port_en);
3427 	GBENU_SET_REG_OFS(gbe_dev, switch_regs, ptype);
3428 
3429 	/* Host port registers */
3430 	GBENU_SET_REG_OFS(gbe_dev, host_port_regs, port_vlan);
3431 	GBENU_SET_REG_OFS(gbe_dev, host_port_regs, rx_maxlen);
3432 
3433 	/* For NU only.  2U does not need tx_pri_map.
3434 	 * NU cppi port 0 tx pkt streaming interface has (n-1)*8 egress threads
3435 	 * while 2U has only 1 such thread
3436 	 */
3437 	GBENU_SET_REG_OFS(gbe_dev, host_port_regs, tx_pri_map);
3438 	return 0;
3439 }
3440 
3441 static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
3442 		     struct device_node *node, void **inst_priv)
3443 {
3444 	struct device_node *interfaces, *interface;
3445 	struct device_node *secondary_ports;
3446 	struct cpsw_ale_params ale_params;
3447 	struct gbe_priv *gbe_dev;
3448 	u32 slave_num;
3449 	int i, ret = 0;
3450 
3451 	if (!node) {
3452 		dev_err(dev, "device tree info unavailable\n");
3453 		return -ENODEV;
3454 	}
3455 
3456 	gbe_dev = devm_kzalloc(dev, sizeof(struct gbe_priv), GFP_KERNEL);
3457 	if (!gbe_dev)
3458 		return -ENOMEM;
3459 
3460 	if (of_device_is_compatible(node, "ti,netcp-gbe-5") ||
3461 	    of_device_is_compatible(node, "ti,netcp-gbe")) {
3462 		gbe_dev->max_num_slaves = 4;
3463 	} else if (of_device_is_compatible(node, "ti,netcp-gbe-9")) {
3464 		gbe_dev->max_num_slaves = 8;
3465 	} else if (of_device_is_compatible(node, "ti,netcp-gbe-2")) {
3466 		gbe_dev->max_num_slaves = 1;
3467 	} else if (of_device_is_compatible(node, "ti,netcp-xgbe")) {
3468 		gbe_dev->max_num_slaves = 2;
3469 	} else {
3470 		dev_err(dev, "device tree node for unknown device\n");
3471 		return -EINVAL;
3472 	}
3473 	gbe_dev->max_num_ports = gbe_dev->max_num_slaves + 1;
3474 
3475 	gbe_dev->dev = dev;
3476 	gbe_dev->netcp_device = netcp_device;
3477 	gbe_dev->rx_packet_max = NETCP_MAX_FRAME_SIZE;
3478 
3479 	/* init the hw stats lock */
3480 	spin_lock_init(&gbe_dev->hw_stats_lock);
3481 
3482 	if (of_find_property(node, "enable-ale", NULL)) {
3483 		gbe_dev->enable_ale = true;
3484 		dev_info(dev, "ALE enabled\n");
3485 	} else {
3486 		gbe_dev->enable_ale = false;
3487 		dev_dbg(dev, "ALE bypass enabled*\n");
3488 	}
3489 
3490 	ret = of_property_read_u32(node, "tx-queue",
3491 				   &gbe_dev->tx_queue_id);
3492 	if (ret < 0) {
3493 		dev_err(dev, "missing tx_queue parameter\n");
3494 		gbe_dev->tx_queue_id = GBE_TX_QUEUE;
3495 	}
3496 
3497 	ret = of_property_read_string(node, "tx-channel",
3498 				      &gbe_dev->dma_chan_name);
3499 	if (ret < 0) {
3500 		dev_err(dev, "missing \"tx-channel\" parameter\n");
3501 		return -EINVAL;
3502 	}
3503 
3504 	if (!strcmp(node->name, "gbe")) {
3505 		ret = get_gbe_resource_version(gbe_dev, node);
3506 		if (ret)
3507 			return ret;
3508 
3509 		dev_dbg(dev, "ss_version: 0x%08x\n", gbe_dev->ss_version);
3510 
3511 		if (gbe_dev->ss_version == GBE_SS_VERSION_14)
3512 			ret = set_gbe_ethss14_priv(gbe_dev, node);
3513 		else if (IS_SS_ID_MU(gbe_dev))
3514 			ret = set_gbenu_ethss_priv(gbe_dev, node);
3515 		else
3516 			ret = -ENODEV;
3517 
3518 	} else if (!strcmp(node->name, "xgbe")) {
3519 		ret = set_xgbe_ethss10_priv(gbe_dev, node);
3520 		if (ret)
3521 			return ret;
3522 		ret = netcp_xgbe_serdes_init(gbe_dev->xgbe_serdes_regs,
3523 					     gbe_dev->ss_regs);
3524 	} else {
3525 		dev_err(dev, "unknown GBE node(%s)\n", node->name);
3526 		ret = -ENODEV;
3527 	}
3528 
3529 	if (ret)
3530 		return ret;
3531 
3532 	interfaces = of_get_child_by_name(node, "interfaces");
3533 	if (!interfaces)
3534 		dev_err(dev, "could not find interfaces\n");
3535 
3536 	ret = netcp_txpipe_init(&gbe_dev->tx_pipe, netcp_device,
3537 				gbe_dev->dma_chan_name, gbe_dev->tx_queue_id);
3538 	if (ret)
3539 		return ret;
3540 
3541 	ret = netcp_txpipe_open(&gbe_dev->tx_pipe);
3542 	if (ret)
3543 		return ret;
3544 
3545 	/* Create network interfaces */
3546 	INIT_LIST_HEAD(&gbe_dev->gbe_intf_head);
3547 	for_each_child_of_node(interfaces, interface) {
3548 		ret = of_property_read_u32(interface, "slave-port", &slave_num);
3549 		if (ret) {
3550 			dev_err(dev, "missing slave-port parameter, skipping interface configuration for %s\n",
3551 				interface->name);
3552 			continue;
3553 		}
3554 		gbe_dev->num_slaves++;
3555 		if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) {
3556 			of_node_put(interface);
3557 			break;
3558 		}
3559 	}
3560 	of_node_put(interfaces);
3561 
3562 	if (!gbe_dev->num_slaves)
3563 		dev_warn(dev, "No network interface configured\n");
3564 
3565 	/* Initialize Secondary slave ports */
3566 	secondary_ports = of_get_child_by_name(node, "secondary-slave-ports");
3567 	INIT_LIST_HEAD(&gbe_dev->secondary_slaves);
3568 	if (secondary_ports && (gbe_dev->num_slaves <  gbe_dev->max_num_slaves))
3569 		init_secondary_ports(gbe_dev, secondary_ports);
3570 	of_node_put(secondary_ports);
3571 
3572 	if (!gbe_dev->num_slaves) {
3573 		dev_err(dev,
3574 			"No network interface or secondary ports configured\n");
3575 		ret = -ENODEV;
3576 		goto free_sec_ports;
3577 	}
3578 
3579 	memset(&ale_params, 0, sizeof(ale_params));
3580 	ale_params.dev		= gbe_dev->dev;
3581 	ale_params.ale_regs	= gbe_dev->ale_reg;
3582 	ale_params.ale_ageout	= GBE_DEFAULT_ALE_AGEOUT;
3583 	ale_params.ale_entries	= gbe_dev->ale_entries;
3584 	ale_params.ale_ports	= gbe_dev->ale_ports;
3585 	if (IS_SS_ID_MU(gbe_dev)) {
3586 		ale_params.major_ver_mask = 0x7;
3587 		ale_params.nu_switch_ale = true;
3588 	}
3589 	gbe_dev->ale = cpsw_ale_create(&ale_params);
3590 	if (!gbe_dev->ale) {
3591 		dev_err(gbe_dev->dev, "error initializing ale engine\n");
3592 		ret = -ENODEV;
3593 		goto free_sec_ports;
3594 	} else {
3595 		dev_dbg(gbe_dev->dev, "Created a gbe ale engine\n");
3596 	}
3597 
3598 	gbe_dev->cpts = cpts_create(gbe_dev->dev, gbe_dev->cpts_reg, node);
3599 	if (IS_ENABLED(CONFIG_TI_CPTS) && IS_ERR(gbe_dev->cpts)) {
3600 		ret = PTR_ERR(gbe_dev->cpts);
3601 		goto free_sec_ports;
3602 	}
3603 
3604 	/* initialize host port */
3605 	gbe_init_host_port(gbe_dev);
3606 
3607 	spin_lock_bh(&gbe_dev->hw_stats_lock);
3608 	for (i = 0; i < gbe_dev->num_stats_mods; i++) {
3609 		if (gbe_dev->ss_version == GBE_SS_VERSION_14)
3610 			gbe_reset_mod_stats_ver14(gbe_dev, i);
3611 		else
3612 			gbe_reset_mod_stats(gbe_dev, i);
3613 	}
3614 	spin_unlock_bh(&gbe_dev->hw_stats_lock);
3615 
3616 	timer_setup(&gbe_dev->timer, netcp_ethss_timer, 0);
3617 	gbe_dev->timer.expires	 = jiffies + GBE_TIMER_INTERVAL;
3618 	add_timer(&gbe_dev->timer);
3619 	*inst_priv = gbe_dev;
3620 	return 0;
3621 
3622 free_sec_ports:
3623 	free_secondary_ports(gbe_dev);
3624 	return ret;
3625 }
3626 
3627 static int gbe_attach(void *inst_priv, struct net_device *ndev,
3628 		      struct device_node *node, void **intf_priv)
3629 {
3630 	struct gbe_priv *gbe_dev = inst_priv;
3631 	struct gbe_intf *gbe_intf;
3632 	int ret;
3633 
3634 	if (!node) {
3635 		dev_err(gbe_dev->dev, "interface node not available\n");
3636 		return -ENODEV;
3637 	}
3638 
3639 	gbe_intf = devm_kzalloc(gbe_dev->dev, sizeof(*gbe_intf), GFP_KERNEL);
3640 	if (!gbe_intf)
3641 		return -ENOMEM;
3642 
3643 	gbe_intf->ndev = ndev;
3644 	gbe_intf->dev = gbe_dev->dev;
3645 	gbe_intf->gbe_dev = gbe_dev;
3646 
3647 	gbe_intf->slave = devm_kzalloc(gbe_dev->dev,
3648 					sizeof(*gbe_intf->slave),
3649 					GFP_KERNEL);
3650 	if (!gbe_intf->slave) {
3651 		ret = -ENOMEM;
3652 		goto fail;
3653 	}
3654 
3655 	if (init_slave(gbe_dev, gbe_intf->slave, node)) {
3656 		ret = -ENODEV;
3657 		goto fail;
3658 	}
3659 
3660 	gbe_intf->tx_pipe = gbe_dev->tx_pipe;
3661 	ndev->ethtool_ops = &keystone_ethtool_ops;
3662 	list_add_tail(&gbe_intf->gbe_intf_list, &gbe_dev->gbe_intf_head);
3663 	*intf_priv = gbe_intf;
3664 	return 0;
3665 
3666 fail:
3667 	if (gbe_intf->slave)
3668 		devm_kfree(gbe_dev->dev, gbe_intf->slave);
3669 	if (gbe_intf)
3670 		devm_kfree(gbe_dev->dev, gbe_intf);
3671 	return ret;
3672 }
3673 
3674 static int gbe_release(void *intf_priv)
3675 {
3676 	struct gbe_intf *gbe_intf = intf_priv;
3677 
3678 	gbe_intf->ndev->ethtool_ops = NULL;
3679 	list_del(&gbe_intf->gbe_intf_list);
3680 	devm_kfree(gbe_intf->dev, gbe_intf->slave);
3681 	devm_kfree(gbe_intf->dev, gbe_intf);
3682 	return 0;
3683 }
3684 
3685 static int gbe_remove(struct netcp_device *netcp_device, void *inst_priv)
3686 {
3687 	struct gbe_priv *gbe_dev = inst_priv;
3688 
3689 	del_timer_sync(&gbe_dev->timer);
3690 	cpts_release(gbe_dev->cpts);
3691 	cpsw_ale_stop(gbe_dev->ale);
3692 	netcp_txpipe_close(&gbe_dev->tx_pipe);
3693 	free_secondary_ports(gbe_dev);
3694 
3695 	if (!list_empty(&gbe_dev->gbe_intf_head))
3696 		dev_alert(gbe_dev->dev,
3697 			  "unreleased ethss interfaces present\n");
3698 
3699 	return 0;
3700 }
3701 
3702 static struct netcp_module gbe_module = {
3703 	.name		= GBE_MODULE_NAME,
3704 	.owner		= THIS_MODULE,
3705 	.primary	= true,
3706 	.probe		= gbe_probe,
3707 	.open		= gbe_open,
3708 	.close		= gbe_close,
3709 	.remove		= gbe_remove,
3710 	.attach		= gbe_attach,
3711 	.release	= gbe_release,
3712 	.add_addr	= gbe_add_addr,
3713 	.del_addr	= gbe_del_addr,
3714 	.add_vid	= gbe_add_vid,
3715 	.del_vid	= gbe_del_vid,
3716 	.ioctl		= gbe_ioctl,
3717 };
3718 
3719 static struct netcp_module xgbe_module = {
3720 	.name		= XGBE_MODULE_NAME,
3721 	.owner		= THIS_MODULE,
3722 	.primary	= true,
3723 	.probe		= gbe_probe,
3724 	.open		= gbe_open,
3725 	.close		= gbe_close,
3726 	.remove		= gbe_remove,
3727 	.attach		= gbe_attach,
3728 	.release	= gbe_release,
3729 	.add_addr	= gbe_add_addr,
3730 	.del_addr	= gbe_del_addr,
3731 	.add_vid	= gbe_add_vid,
3732 	.del_vid	= gbe_del_vid,
3733 	.ioctl		= gbe_ioctl,
3734 };
3735 
3736 static int __init keystone_gbe_init(void)
3737 {
3738 	int ret;
3739 
3740 	ret = netcp_register_module(&gbe_module);
3741 	if (ret)
3742 		return ret;
3743 
3744 	ret = netcp_register_module(&xgbe_module);
3745 	if (ret)
3746 		return ret;
3747 
3748 	return 0;
3749 }
3750 module_init(keystone_gbe_init);
3751 
3752 static void __exit keystone_gbe_exit(void)
3753 {
3754 	netcp_unregister_module(&gbe_module);
3755 	netcp_unregister_module(&xgbe_module);
3756 }
3757 module_exit(keystone_gbe_exit);
3758 
3759 MODULE_LICENSE("GPL v2");
3760 MODULE_DESCRIPTION("TI NETCP ETHSS driver for Keystone SOCs");
3761 MODULE_AUTHOR("Sandeep Nair <sandeep_n@ti.com");
3762