1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * aQuantia Corporation Network Driver
4  * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
5  */
6 
7 /* File hw_atl_utils.h: Declaration of common functions for Atlantic hardware
8  * abstraction layer.
9  */
10 
11 #ifndef HW_ATL_UTILS_H
12 #define HW_ATL_UTILS_H
13 
14 #define HW_ATL_FLUSH() { (void)aq_hw_read_reg(self, 0x10); }
15 
16 /* Hardware tx descriptor */
17 struct __packed hw_atl_txd_s {
18 	u64 buf_addr;
19 	u32 ctl;
20 	u32 ctl2; /* 63..46 - payload length, 45 - ctx enable, 44 - ctx index */
21 };
22 
23 /* Hardware tx context descriptor */
24 struct __packed hw_atl_txc_s {
25 	u32 rsvd;
26 	u32 len;
27 	u32 ctl;
28 	u32 len2;
29 };
30 
31 /* Hardware rx descriptor */
32 struct __packed hw_atl_rxd_s {
33 	u64 buf_addr;
34 	u64 hdr_addr;
35 };
36 
37 /* Hardware rx descriptor writeback */
38 struct __packed hw_atl_rxd_wb_s {
39 	u32 type;
40 	u32 rss_hash;
41 	u16 status;
42 	u16 pkt_len;
43 	u16 next_desc_ptr;
44 	u16 vlan;
45 };
46 
47 struct __packed hw_atl_stats_s {
48 	u32 uprc;
49 	u32 mprc;
50 	u32 bprc;
51 	u32 erpt;
52 	u32 uptc;
53 	u32 mptc;
54 	u32 bptc;
55 	u32 erpr;
56 	u32 mbtc;
57 	u32 bbtc;
58 	u32 mbrc;
59 	u32 bbrc;
60 	u32 ubrc;
61 	u32 ubtc;
62 	u32 dpc;
63 };
64 
65 union __packed ip_addr {
66 	struct {
67 		u8 addr[16];
68 	} v6;
69 	struct {
70 		u8 padding[12];
71 		u8 addr[4];
72 	} v4;
73 };
74 
75 struct __packed hw_atl_utils_fw_rpc {
76 	u32 msg_id;
77 
78 	union {
79 		struct {
80 			u32 pong;
81 		} msg_ping;
82 
83 		struct {
84 			u8 mac_addr[6];
85 			u32 ip_addr_cnt;
86 
87 			struct {
88 				union ip_addr addr;
89 				union ip_addr mask;
90 			} ip[1];
91 		} msg_arp;
92 
93 		struct {
94 			u32 len;
95 			u8 packet[1514U];
96 		} msg_inject;
97 
98 		struct {
99 			u32 priority;
100 			u32 wol_packet_type;
101 			u32 pattern_id;
102 			u32 next_wol_pattern_offset;
103 
104 			union {
105 				struct {
106 					u32 flags;
107 					u8 ipv4_source_address[4];
108 					u8 ipv4_dest_address[4];
109 					u16 tcp_source_port_number;
110 					u16 tcp_dest_port_number;
111 				} ipv4_tcp_syn_parameters;
112 
113 				struct {
114 					u32 flags;
115 					u8 ipv6_source_address[16];
116 					u8 ipv6_dest_address[16];
117 					u16 tcp_source_port_number;
118 					u16 tcp_dest_port_number;
119 				} ipv6_tcp_syn_parameters;
120 
121 				struct {
122 					u32 flags;
123 				} eapol_request_id_message_parameters;
124 
125 				struct {
126 					u32 flags;
127 					u32 mask_offset;
128 					u32 mask_size;
129 					u32 pattern_offset;
130 					u32 pattern_size;
131 				} wol_bit_map_pattern;
132 
133 				struct {
134 					u8 mac_addr[ETH_ALEN];
135 				} wol_magic_packet_patter;
136 			} wol_pattern;
137 		} msg_wol;
138 
139 		struct {
140 			union {
141 				u32 pattern_mask;
142 
143 				struct {
144 					u32 reason_arp_v4_pkt : 1;
145 					u32 reason_ipv4_ping_pkt : 1;
146 					u32 reason_ipv6_ns_pkt : 1;
147 					u32 reason_ipv6_ping_pkt : 1;
148 					u32 reason_link_up : 1;
149 					u32 reason_link_down : 1;
150 					u32 reason_maximum : 1;
151 				};
152 			};
153 
154 			union {
155 				u32 offload_mask;
156 			};
157 		} msg_enable_wakeup;
158 
159 		struct {
160 			u32 id;
161 		} msg_del_id;
162 	};
163 };
164 
165 struct __packed hw_atl_utils_mbox_header {
166 	u32 version;
167 	u32 transaction_id;
168 	u32 error;
169 };
170 
171 struct __packed hw_aq_info {
172 	u8 reserved[6];
173 	u16 phy_fault_code;
174 	u16 phy_temperature;
175 	u8 cable_len;
176 	u8 reserved1;
177 	u32 cable_diag_data[4];
178 	u8 reserved2[32];
179 	u32 caps_lo;
180 	u32 caps_hi;
181 };
182 
183 struct __packed hw_atl_utils_mbox {
184 	struct hw_atl_utils_mbox_header header;
185 	struct hw_atl_stats_s stats;
186 	struct hw_aq_info info;
187 };
188 
189 /* fw2x */
190 typedef u32	fw_offset_t;
191 
192 struct __packed offload_ip_info {
193 	u8 v4_local_addr_count;
194 	u8 v4_addr_count;
195 	u8 v6_local_addr_count;
196 	u8 v6_addr_count;
197 	fw_offset_t v4_addr;
198 	fw_offset_t v4_prefix;
199 	fw_offset_t v6_addr;
200 	fw_offset_t v6_prefix;
201 };
202 
203 struct __packed offload_port_info {
204 	u16 udp_port_count;
205 	u16 tcp_port_count;
206 	fw_offset_t udp_port;
207 	fw_offset_t tcp_port;
208 };
209 
210 struct __packed offload_ka_info {
211 	u16 v4_ka_count;
212 	u16 v6_ka_count;
213 	u32 retry_count;
214 	u32 retry_interval;
215 	fw_offset_t v4_ka;
216 	fw_offset_t v6_ka;
217 };
218 
219 struct __packed offload_rr_info {
220 	u32 rr_count;
221 	u32 rr_buf_len;
222 	fw_offset_t rr_id_x;
223 	fw_offset_t rr_buf;
224 };
225 
226 struct __packed offload_info {
227 	u32 version;
228 	u32 len;
229 	u8 mac_addr[ETH_ALEN];
230 
231 	u8 reserved[2];
232 
233 	struct offload_ip_info ips;
234 	struct offload_port_info ports;
235 	struct offload_ka_info kas;
236 	struct offload_rr_info rrs;
237 	u8 buf[0];
238 };
239 
240 enum hw_atl_rx_action_with_traffic {
241 	HW_ATL_RX_DISCARD,
242 	HW_ATL_RX_HOST,
243 };
244 
245 struct aq_rx_filter_vlan {
246 	u8 enable;
247 	u8 location;
248 	u16 vlan_id;
249 	u8 queue;
250 };
251 
252 struct aq_rx_filter_l2 {
253 	s8 queue;
254 	u8 location;
255 	u8 user_priority_en;
256 	u8 user_priority;
257 	u16 ethertype;
258 };
259 
260 struct aq_rx_filter_l3l4 {
261 	u32 cmd;
262 	u8 location;
263 	u32 ip_dst[4];
264 	u32 ip_src[4];
265 	u16 p_dst;
266 	u16 p_src;
267 	u8 is_ipv6;
268 };
269 
270 enum hw_atl_rx_protocol_value_l3l4 {
271 	HW_ATL_RX_TCP,
272 	HW_ATL_RX_UDP,
273 	HW_ATL_RX_SCTP,
274 	HW_ATL_RX_ICMP
275 };
276 
277 enum hw_atl_rx_ctrl_registers_l3l4 {
278 	HW_ATL_RX_ENABLE_MNGMNT_QUEUE_L3L4 = BIT(22),
279 	HW_ATL_RX_ENABLE_QUEUE_L3L4        = BIT(23),
280 	HW_ATL_RX_ENABLE_ARP_FLTR_L3       = BIT(24),
281 	HW_ATL_RX_ENABLE_CMP_PROT_L4       = BIT(25),
282 	HW_ATL_RX_ENABLE_CMP_DEST_PORT_L4  = BIT(26),
283 	HW_ATL_RX_ENABLE_CMP_SRC_PORT_L4   = BIT(27),
284 	HW_ATL_RX_ENABLE_CMP_DEST_ADDR_L3  = BIT(28),
285 	HW_ATL_RX_ENABLE_CMP_SRC_ADDR_L3   = BIT(29),
286 	HW_ATL_RX_ENABLE_L3_IPV6           = BIT(30),
287 	HW_ATL_RX_ENABLE_FLTR_L3L4         = BIT(31)
288 };
289 
290 #define HW_ATL_RX_QUEUE_FL3L4_SHIFT       8U
291 #define HW_ATL_RX_ACTION_FL3F4_SHIFT      16U
292 
293 #define HW_ATL_RX_CNT_REG_ADDR_IPV6       4U
294 
295 #define HW_ATL_GET_REG_LOCATION_FL3L4(location) \
296 	((location) - AQ_RX_FIRST_LOC_FL3L4)
297 
298 #define HAL_ATLANTIC_UTILS_CHIP_MIPS         0x00000001U
299 #define HAL_ATLANTIC_UTILS_CHIP_TPO2         0x00000002U
300 #define HAL_ATLANTIC_UTILS_CHIP_RPF2         0x00000004U
301 #define HAL_ATLANTIC_UTILS_CHIP_MPI_AQ       0x00000010U
302 #define HAL_ATLANTIC_UTILS_CHIP_REVISION_A0  0x01000000U
303 #define HAL_ATLANTIC_UTILS_CHIP_REVISION_B0  0x02000000U
304 #define HAL_ATLANTIC_UTILS_CHIP_REVISION_B1  0x04000000U
305 
306 #define IS_CHIP_FEATURE(_F_) (HAL_ATLANTIC_UTILS_CHIP_##_F_ & \
307 	self->chip_features)
308 
309 enum hal_atl_utils_fw_state_e {
310 	MPI_DEINIT = 0,
311 	MPI_RESET = 1,
312 	MPI_INIT = 2,
313 	MPI_POWER = 4,
314 };
315 
316 #define HAL_ATLANTIC_RATE_10G        BIT(0)
317 #define HAL_ATLANTIC_RATE_5G         BIT(1)
318 #define HAL_ATLANTIC_RATE_5GSR       BIT(2)
319 #define HAL_ATLANTIC_RATE_2GS        BIT(3)
320 #define HAL_ATLANTIC_RATE_1G         BIT(4)
321 #define HAL_ATLANTIC_RATE_100M       BIT(5)
322 #define HAL_ATLANTIC_RATE_INVALID    BIT(6)
323 
324 #define HAL_ATLANTIC_UTILS_FW_MSG_PING          0x1U
325 #define HAL_ATLANTIC_UTILS_FW_MSG_ARP           0x2U
326 #define HAL_ATLANTIC_UTILS_FW_MSG_INJECT        0x3U
327 #define HAL_ATLANTIC_UTILS_FW_MSG_WOL_ADD       0x4U
328 #define HAL_ATLANTIC_UTILS_FW_MSG_WOL_PRIOR     0x10000000U
329 #define HAL_ATLANTIC_UTILS_FW_MSG_WOL_PATTERN   0x1U
330 #define HAL_ATLANTIC_UTILS_FW_MSG_WOL_MAG_PKT   0x2U
331 #define HAL_ATLANTIC_UTILS_FW_MSG_WOL_DEL       0x5U
332 #define HAL_ATLANTIC_UTILS_FW_MSG_ENABLE_WAKEUP 0x6U
333 #define HAL_ATLANTIC_UTILS_FW_MSG_MSM_PFC       0x7U
334 #define HAL_ATLANTIC_UTILS_FW_MSG_PROVISIONING  0x8U
335 #define HAL_ATLANTIC_UTILS_FW_MSG_OFFLOAD_ADD   0x9U
336 #define HAL_ATLANTIC_UTILS_FW_MSG_OFFLOAD_DEL   0xAU
337 #define HAL_ATLANTIC_UTILS_FW_MSG_CABLE_DIAG    0xDU
338 
339 enum hw_atl_fw2x_rate {
340 	FW2X_RATE_100M    = 0x20,
341 	FW2X_RATE_1G      = 0x100,
342 	FW2X_RATE_2G5     = 0x200,
343 	FW2X_RATE_5G      = 0x400,
344 	FW2X_RATE_10G     = 0x800,
345 };
346 
347 enum hw_atl_fw2x_caps_lo {
348 	CAPS_LO_10BASET_HD = 0x00,
349 	CAPS_LO_10BASET_FD,
350 	CAPS_LO_100BASETX_HD,
351 	CAPS_LO_100BASET4_HD,
352 	CAPS_LO_100BASET2_HD,
353 	CAPS_LO_100BASETX_FD,
354 	CAPS_LO_100BASET2_FD,
355 	CAPS_LO_1000BASET_HD,
356 	CAPS_LO_1000BASET_FD,
357 	CAPS_LO_2P5GBASET_FD,
358 	CAPS_LO_5GBASET_FD,
359 	CAPS_LO_10GBASET_FD,
360 };
361 
362 enum hw_atl_fw2x_caps_hi {
363 	CAPS_HI_RESERVED1 = 0x00,
364 	CAPS_HI_10BASET_EEE,
365 	CAPS_HI_RESERVED2,
366 	CAPS_HI_PAUSE,
367 	CAPS_HI_ASYMMETRIC_PAUSE,
368 	CAPS_HI_100BASETX_EEE,
369 	CAPS_HI_RESERVED3,
370 	CAPS_HI_RESERVED4,
371 	CAPS_HI_1000BASET_FD_EEE,
372 	CAPS_HI_2P5GBASET_FD_EEE,
373 	CAPS_HI_5GBASET_FD_EEE,
374 	CAPS_HI_10GBASET_FD_EEE,
375 	CAPS_HI_RESERVED5,
376 	CAPS_HI_RESERVED6,
377 	CAPS_HI_RESERVED7,
378 	CAPS_HI_RESERVED8,
379 	CAPS_HI_RESERVED9,
380 	CAPS_HI_CABLE_DIAG,
381 	CAPS_HI_TEMPERATURE,
382 	CAPS_HI_DOWNSHIFT,
383 	CAPS_HI_PTP_AVB_EN,
384 	CAPS_HI_MEDIA_DETECT,
385 	CAPS_HI_LINK_DROP,
386 	CAPS_HI_SLEEP_PROXY,
387 	CAPS_HI_WOL,
388 	CAPS_HI_MAC_STOP,
389 	CAPS_HI_EXT_LOOPBACK,
390 	CAPS_HI_INT_LOOPBACK,
391 	CAPS_HI_EFUSE_AGENT,
392 	CAPS_HI_WOL_TIMER,
393 	CAPS_HI_STATISTICS,
394 	CAPS_HI_TRANSACTION_ID,
395 };
396 
397 enum hw_atl_fw2x_ctrl {
398 	CTRL_RESERVED1 = 0x00,
399 	CTRL_RESERVED2,
400 	CTRL_RESERVED3,
401 	CTRL_PAUSE,
402 	CTRL_ASYMMETRIC_PAUSE,
403 	CTRL_RESERVED4,
404 	CTRL_RESERVED5,
405 	CTRL_RESERVED6,
406 	CTRL_1GBASET_FD_EEE,
407 	CTRL_2P5GBASET_FD_EEE,
408 	CTRL_5GBASET_FD_EEE,
409 	CTRL_10GBASET_FD_EEE,
410 	CTRL_THERMAL_SHUTDOWN,
411 	CTRL_PHY_LOGS,
412 	CTRL_EEE_AUTO_DISABLE,
413 	CTRL_PFC,
414 	CTRL_WAKE_ON_LINK,
415 	CTRL_CABLE_DIAG,
416 	CTRL_TEMPERATURE,
417 	CTRL_DOWNSHIFT,
418 	CTRL_PTP_AVB,
419 	CTRL_RESERVED7,
420 	CTRL_LINK_DROP,
421 	CTRL_SLEEP_PROXY,
422 	CTRL_WOL,
423 	CTRL_MAC_STOP,
424 	CTRL_EXT_LOOPBACK,
425 	CTRL_INT_LOOPBACK,
426 	CTRL_RESERVED8,
427 	CTRL_WOL_TIMER,
428 	CTRL_STATISTICS,
429 	CTRL_FORCE_RECONNECT,
430 };
431 
432 struct aq_hw_s;
433 struct aq_fw_ops;
434 struct aq_hw_caps_s;
435 struct aq_hw_link_status_s;
436 
437 int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops);
438 
439 int hw_atl_utils_soft_reset(struct aq_hw_s *self);
440 
441 void hw_atl_utils_hw_chip_features_init(struct aq_hw_s *self, u32 *p);
442 
443 int hw_atl_utils_mpi_read_mbox(struct aq_hw_s *self,
444 			       struct hw_atl_utils_mbox_header *pmbox);
445 
446 void hw_atl_utils_mpi_read_stats(struct aq_hw_s *self,
447 				 struct hw_atl_utils_mbox *pmbox);
448 
449 void hw_atl_utils_mpi_set(struct aq_hw_s *self,
450 			  enum hal_atl_utils_fw_state_e state,
451 			  u32 speed);
452 
453 int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self);
454 
455 int hw_atl_utils_get_mac_permanent(struct aq_hw_s *self,
456 				   u8 *mac);
457 
458 unsigned int hw_atl_utils_mbps_2_speed_index(unsigned int mbps);
459 
460 int hw_atl_utils_hw_get_regs(struct aq_hw_s *self,
461 			     const struct aq_hw_caps_s *aq_hw_caps,
462 			     u32 *regs_buff);
463 
464 int hw_atl_utils_hw_set_power(struct aq_hw_s *self,
465 			      unsigned int power_state);
466 
467 int hw_atl_utils_hw_deinit(struct aq_hw_s *self);
468 
469 int hw_atl_utils_get_fw_version(struct aq_hw_s *self, u32 *fw_version);
470 
471 int hw_atl_utils_update_stats(struct aq_hw_s *self);
472 
473 struct aq_stats_s *hw_atl_utils_get_hw_stats(struct aq_hw_s *self);
474 
475 int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a,
476 				  u32 *p, u32 cnt);
477 
478 int hw_atl_utils_fw_set_wol(struct aq_hw_s *self, bool wol_enabled, u8 *mac);
479 
480 int hw_atl_utils_fw_rpc_call(struct aq_hw_s *self, unsigned int rpc_size);
481 
482 int hw_atl_utils_fw_rpc_wait(struct aq_hw_s *self,
483 			     struct hw_atl_utils_fw_rpc **rpc);
484 
485 extern const struct aq_fw_ops aq_fw_1x_ops;
486 extern const struct aq_fw_ops aq_fw_2x_ops;
487 
488 #endif /* HW_ATL_UTILS_H */
489