1 /*
2 * Copyright (c) 2014-2015 Hisilicon Limited.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 */
9
10 #ifndef _HNS_DSAF_MAC_H
11 #define _HNS_DSAF_MAC_H
12
13 #include <linux/if_vlan.h>
14 #include <linux/kernel.h>
15 #include <linux/phy.h>
16 #include <linux/regmap.h>
17 #include "hns_dsaf_main.h"
18
19 struct dsaf_device;
20
21 #define MAC_GMAC_SUPPORTED \
22 (SUPPORTED_10baseT_Half \
23 | SUPPORTED_10baseT_Full \
24 | SUPPORTED_100baseT_Half \
25 | SUPPORTED_100baseT_Full \
26 | SUPPORTED_Autoneg)
27
28 #define MAC_DEFAULT_MTU (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN + ETH_DATA_LEN)
29 #define MAC_MAX_MTU 9600
30 #define MAC_MAX_MTU_V2 9728
31 #define MAC_MIN_MTU 68
32 #define MAC_MAX_MTU_DBG MAC_DEFAULT_MTU
33
34 #define MAC_DEFAULT_PAUSE_TIME 0xffff
35
36 #define MAC_GMAC_IDX 0
37 #define MAC_XGMAC_IDX 1
38
39 #define ETH_STATIC_REG 1
40 #define ETH_DUMP_REG 5
41 /* check mac addr broadcast */
42 #define MAC_IS_BROADCAST(p) ((*(p) == 0xff) && (*((p) + 1) == 0xff) && \
43 (*((p) + 2) == 0xff) && (*((p) + 3) == 0xff) && \
44 (*((p) + 4) == 0xff) && (*((p) + 5) == 0xff))
45
46 /* check mac addr is 01-00-5e-xx-xx-xx*/
47 #define MAC_IS_L3_MULTICAST(p) ((*((p) + 0) == 0x01) && \
48 (*((p) + 1) == 0x00) && \
49 (*((p) + 2) == 0x5e))
50
51 /*check the mac addr is 0 in all bit*/
52 #define MAC_IS_ALL_ZEROS(p) ((*(p) == 0) && (*((p) + 1) == 0) && \
53 (*((p) + 2) == 0) && (*((p) + 3) == 0) && \
54 (*((p) + 4) == 0) && (*((p) + 5) == 0))
55
56 /*check mac addr multicast*/
57 #define MAC_IS_MULTICAST(p) ((*((u8 *)((p) + 0)) & 0x01) ? (1) : (0))
58
59 struct mac_priv {
60 void *mac;
61 };
62
63 /* net speed */
64 enum mac_speed {
65 MAC_SPEED_10 = 10, /**< 10 Mbps */
66 MAC_SPEED_100 = 100, /**< 100 Mbps */
67 MAC_SPEED_1000 = 1000, /**< 1000 Mbps = 1 Gbps */
68 MAC_SPEED_10000 = 10000 /**< 10000 Mbps = 10 Gbps */
69 };
70
71 /*mac interface keyword */
72 enum mac_intf {
73 MAC_IF_NONE = 0x00000000, /**< interface not invalid */
74 MAC_IF_MII = 0x00010000, /**< MII interface */
75 MAC_IF_RMII = 0x00020000, /**< RMII interface */
76 MAC_IF_SMII = 0x00030000, /**< SMII interface */
77 MAC_IF_GMII = 0x00040000, /**< GMII interface */
78 MAC_IF_RGMII = 0x00050000, /**< RGMII interface */
79 MAC_IF_TBI = 0x00060000, /**< TBI interface */
80 MAC_IF_RTBI = 0x00070000, /**< RTBI interface */
81 MAC_IF_SGMII = 0x00080000, /**< SGMII interface */
82 MAC_IF_XGMII = 0x00090000, /**< XGMII interface */
83 MAC_IF_QSGMII = 0x000a0000 /**< QSGMII interface */
84 };
85
86 /*mac mode */
87 enum mac_mode {
88 /**< Invalid Ethernet mode */
89 MAC_MODE_INVALID = 0,
90 /**< 10 Mbps MII */
91 MAC_MODE_MII_10 = (MAC_IF_MII | MAC_SPEED_10),
92 /**< 100 Mbps MII */
93 MAC_MODE_MII_100 = (MAC_IF_MII | MAC_SPEED_100),
94 /**< 10 Mbps RMII */
95 MAC_MODE_RMII_10 = (MAC_IF_RMII | MAC_SPEED_10),
96 /**< 100 Mbps RMII */
97 MAC_MODE_RMII_100 = (MAC_IF_RMII | MAC_SPEED_100),
98 /**< 10 Mbps SMII */
99 MAC_MODE_SMII_10 = (MAC_IF_SMII | MAC_SPEED_10),
100 /**< 100 Mbps SMII */
101 MAC_MODE_SMII_100 = (MAC_IF_SMII | MAC_SPEED_100),
102 /**< 1000 Mbps GMII */
103 MAC_MODE_GMII_1000 = (MAC_IF_GMII | MAC_SPEED_1000),
104 /**< 10 Mbps RGMII */
105 MAC_MODE_RGMII_10 = (MAC_IF_RGMII | MAC_SPEED_10),
106 /**< 100 Mbps RGMII */
107 MAC_MODE_RGMII_100 = (MAC_IF_RGMII | MAC_SPEED_100),
108 /**< 1000 Mbps RGMII */
109 MAC_MODE_RGMII_1000 = (MAC_IF_RGMII | MAC_SPEED_1000),
110 /**< 1000 Mbps TBI */
111 MAC_MODE_TBI_1000 = (MAC_IF_TBI | MAC_SPEED_1000),
112 /**< 1000 Mbps RTBI */
113 MAC_MODE_RTBI_1000 = (MAC_IF_RTBI | MAC_SPEED_1000),
114 /**< 10 Mbps SGMII */
115 MAC_MODE_SGMII_10 = (MAC_IF_SGMII | MAC_SPEED_10),
116 /**< 100 Mbps SGMII */
117 MAC_MODE_SGMII_100 = (MAC_IF_SGMII | MAC_SPEED_100),
118 /**< 1000 Mbps SGMII */
119 MAC_MODE_SGMII_1000 = (MAC_IF_SGMII | MAC_SPEED_1000),
120 /**< 10000 Mbps XGMII */
121 MAC_MODE_XGMII_10000 = (MAC_IF_XGMII | MAC_SPEED_10000),
122 /**< 1000 Mbps QSGMII */
123 MAC_MODE_QSGMII_1000 = (MAC_IF_QSGMII | MAC_SPEED_1000)
124 };
125
126 /*mac communicate mode*/
127 enum mac_commom_mode {
128 MAC_COMM_MODE_NONE = 0, /**< No transmit/receive communication */
129 MAC_COMM_MODE_RX = 1, /**< Only receive communication */
130 MAC_COMM_MODE_TX = 2, /**< Only transmit communication */
131 MAC_COMM_MODE_RX_AND_TX = 3 /**< Both tx and rx communication */
132 };
133
134 /*mac statistics */
135 struct mac_statistics {
136 u64 stat_pkts64; /* r-10G tr-DT 64 byte frame counter */
137 u64 stat_pkts65to127; /* r-10G 65 to 127 byte frame counter */
138 u64 stat_pkts128to255; /* r-10G 128 to 255 byte frame counter */
139 u64 stat_pkts256to511; /*r-10G 256 to 511 byte frame counter */
140 u64 stat_pkts512to1023;/* r-10G 512 to 1023 byte frame counter */
141 u64 stat_pkts1024to1518; /* r-10G 1024 to 1518 byte frame counter */
142 u64 stat_pkts1519to1522; /* r-10G 1519 to 1522 byte good frame count*/
143 /* Total number of packets that were less than 64 octets */
144 /* long with a wrong CRC.*/
145 u64 stat_fragments;
146 /* Total number of packets longer than valid maximum length octets */
147 u64 stat_jabbers;
148 /* number of dropped packets due to internal errors of */
149 /* the MAC Client. */
150 u64 stat_drop_events;
151 /* Incremented when frames of correct length but with */
152 /* CRC error are received.*/
153 u64 stat_crc_align_errors;
154 /* Total number of packets that were less than 64 octets */
155 /* long with a good CRC.*/
156 u64 stat_undersize_pkts;
157 u64 stat_oversize_pkts; /**< T,B.D*/
158
159 u64 stat_rx_pause; /**< Pause MAC Control received */
160 u64 stat_tx_pause; /**< Pause MAC Control sent */
161
162 u64 in_octets; /**< Total number of byte received. */
163 u64 in_pkts; /* Total number of packets received.*/
164 u64 in_mcast_pkts; /* Total number of multicast frame received */
165 u64 in_bcast_pkts; /* Total number of broadcast frame received */
166 /* Frames received, but discarded due to */
167 /* problems within the MAC RX. */
168 u64 in_discards;
169 u64 in_errors; /* Number of frames received with error: */
170 /* - FIFO Overflow Error */
171 /* - CRC Error */
172 /* - Frame Too Long Error */
173 /* - Alignment Error */
174 u64 out_octets; /*Total number of byte sent. */
175 u64 out_pkts; /**< Total number of packets sent .*/
176 u64 out_mcast_pkts; /* Total number of multicast frame sent */
177 u64 out_bcast_pkts; /* Total number of multicast frame sent */
178 /* Frames received, but discarded due to problems within */
179 /* the MAC TX N/A!.*/
180 u64 out_discards;
181 u64 out_errors; /*Number of frames transmitted with error: */
182 /* - FIFO Overflow Error */
183 /* - FIFO Underflow Error */
184 /* - Other */
185 };
186
187 /*mac para struct ,mac get param from nic or dsaf when initialize*/
188 struct mac_params {
189 char addr[ETH_ALEN];
190 void *vaddr; /*virtual address*/
191 struct device *dev;
192 u8 mac_id;
193 /**< Ethernet operation mode (MAC-PHY interface and speed) */
194 enum mac_mode mac_mode;
195 };
196
197 struct mac_info {
198 u16 speed;/* The forced speed (lower bits) in */
199 /* *mbps. Please use */
200 /* * ethtool_cmd_speed()/_set() to */
201 /* * access it */
202 u8 duplex; /* Duplex, half or full */
203 u8 auto_neg; /* Enable or disable autonegotiation */
204 enum hnae_loop loop_mode;
205 u8 tx_pause_en;
206 u8 tx_pause_time;
207 u8 rx_pause_en;
208 u8 pad_and_crc_en;
209 u8 promiscuous_en;
210 u8 port_en; /*port enable*/
211 };
212
213 struct mac_entry_idx {
214 u8 addr[ETH_ALEN];
215 u16 vlan_id:12;
216 u16 valid:1;
217 u16 qos:3;
218 };
219
220 struct mac_hw_stats {
221 u64 rx_good_pkts; /* only for xgmac */
222 u64 rx_good_bytes;
223 u64 rx_total_pkts; /* only for xgmac */
224 u64 rx_total_bytes; /* only for xgmac */
225 u64 rx_bad_bytes; /* only for gmac */
226 u64 rx_uc_pkts;
227 u64 rx_mc_pkts;
228 u64 rx_bc_pkts;
229 u64 rx_fragment_err; /* only for xgmac */
230 u64 rx_undersize; /* only for xgmac */
231 u64 rx_under_min;
232 u64 rx_minto64; /* only for gmac */
233 u64 rx_64bytes;
234 u64 rx_65to127;
235 u64 rx_128to255;
236 u64 rx_256to511;
237 u64 rx_512to1023;
238 u64 rx_1024to1518;
239 u64 rx_1519tomax;
240 u64 rx_1519tomax_good; /* only for xgmac */
241 u64 rx_oversize;
242 u64 rx_jabber_err;
243 u64 rx_fcs_err;
244 u64 rx_vlan_pkts; /* only for gmac */
245 u64 rx_data_err; /* only for gmac */
246 u64 rx_align_err; /* only for gmac */
247 u64 rx_long_err; /* only for gmac */
248 u64 rx_pfc_tc0;
249 u64 rx_pfc_tc1; /* only for xgmac */
250 u64 rx_pfc_tc2; /* only for xgmac */
251 u64 rx_pfc_tc3; /* only for xgmac */
252 u64 rx_pfc_tc4; /* only for xgmac */
253 u64 rx_pfc_tc5; /* only for xgmac */
254 u64 rx_pfc_tc6; /* only for xgmac */
255 u64 rx_pfc_tc7; /* only for xgmac */
256 u64 rx_unknown_ctrl;
257 u64 rx_filter_pkts; /* only for gmac */
258 u64 rx_filter_bytes; /* only for gmac */
259 u64 rx_fifo_overrun_err;/* only for gmac */
260 u64 rx_len_err; /* only for gmac */
261 u64 rx_comma_err; /* only for gmac */
262 u64 rx_symbol_err; /* only for xgmac */
263 u64 tx_good_to_sw; /* only for xgmac */
264 u64 tx_bad_to_sw; /* only for xgmac */
265 u64 rx_1731_pkts; /* only for xgmac */
266
267 u64 tx_good_bytes;
268 u64 tx_good_pkts; /* only for xgmac */
269 u64 tx_total_bytes; /* only for xgmac */
270 u64 tx_total_pkts; /* only for xgmac */
271 u64 tx_bad_bytes; /* only for gmac */
272 u64 tx_bad_pkts; /* only for xgmac */
273 u64 tx_uc_pkts;
274 u64 tx_mc_pkts;
275 u64 tx_bc_pkts;
276 u64 tx_undersize; /* only for xgmac */
277 u64 tx_fragment_err; /* only for xgmac */
278 u64 tx_under_min_pkts; /* only for gmac */
279 u64 tx_64bytes;
280 u64 tx_65to127;
281 u64 tx_128to255;
282 u64 tx_256to511;
283 u64 tx_512to1023;
284 u64 tx_1024to1518;
285 u64 tx_1519tomax;
286 u64 tx_1519tomax_good; /* only for xgmac */
287 u64 tx_oversize; /* only for xgmac */
288 u64 tx_jabber_err;
289 u64 tx_underrun_err; /* only for gmac */
290 u64 tx_vlan; /* only for gmac */
291 u64 tx_crc_err; /* only for gmac */
292 u64 tx_pfc_tc0;
293 u64 tx_pfc_tc1; /* only for xgmac */
294 u64 tx_pfc_tc2; /* only for xgmac */
295 u64 tx_pfc_tc3; /* only for xgmac */
296 u64 tx_pfc_tc4; /* only for xgmac */
297 u64 tx_pfc_tc5; /* only for xgmac */
298 u64 tx_pfc_tc6; /* only for xgmac */
299 u64 tx_pfc_tc7; /* only for xgmac */
300 u64 tx_ctrl; /* only for xgmac */
301 u64 tx_1731_pkts; /* only for xgmac */
302 u64 tx_1588_pkts; /* only for xgmac */
303 u64 rx_good_from_sw; /* only for xgmac */
304 u64 rx_bad_from_sw; /* only for xgmac */
305 };
306
307 struct hns_mac_cb {
308 struct device *dev;
309 struct dsaf_device *dsaf_dev;
310 struct mac_priv priv;
311 struct fwnode_handle *fw_port;
312 u8 __iomem *vaddr;
313 u8 __iomem *sys_ctl_vaddr;
314 u8 __iomem *serdes_vaddr;
315 struct regmap *serdes_ctrl;
316 struct regmap *cpld_ctrl;
317 char mc_mask[ETH_ALEN];
318 u32 cpld_ctrl_reg;
319 u32 port_rst_off;
320 u32 port_mode_off;
321 struct mac_entry_idx addr_entry_idx[DSAF_MAX_VM_NUM];
322 u8 sfp_prsnt;
323 u8 cpld_led_value;
324 u8 mac_id;
325
326 u8 link;
327 u8 half_duplex;
328 u16 speed;
329 u16 max_speed;
330 u16 max_frm;
331 u16 tx_pause_frm_time;
332 u32 if_support;
333 u64 txpkt_for_led;
334 u64 rxpkt_for_led;
335 enum hnae_port_type mac_type;
336 enum hnae_media_type media_type;
337 phy_interface_t phy_if;
338 enum hnae_loop loop_mode;
339
340 struct phy_device *phy_dev;
341
342 struct mac_hw_stats hw_stats;
343 };
344
345 struct mac_driver {
346 /*init Mac when init nic or dsaf*/
347 void (*mac_init)(void *mac_drv);
348 /*remove mac when remove nic or dsaf*/
349 void (*mac_free)(void *mac_drv);
350 /*enable mac when enable nic or dsaf*/
351 void (*mac_enable)(void *mac_drv, enum mac_commom_mode mode);
352 /*disable mac when disable nic or dsaf*/
353 void (*mac_disable)(void *mac_drv, enum mac_commom_mode mode);
354 /* config mac address*/
355 void (*set_mac_addr)(void *mac_drv, char *mac_addr);
356 /*adjust mac mode of port,include speed and duplex*/
357 int (*adjust_link)(void *mac_drv, enum mac_speed speed,
358 u32 full_duplex);
359 /* need adjust link */
360 bool (*need_adjust_link)(void *mac_drv, enum mac_speed speed,
361 int duplex);
362 /* config autoegotaite mode of port*/
363 void (*set_an_mode)(void *mac_drv, u8 enable);
364 /* config loopbank mode */
365 int (*config_loopback)(void *mac_drv, enum hnae_loop loop_mode,
366 u8 enable);
367 /* config mtu*/
368 void (*config_max_frame_length)(void *mac_drv, u16 newval);
369 /*config PAD and CRC enable */
370 void (*config_pad_and_crc)(void *mac_drv, u8 newval);
371 /* config duplex mode*/
372 void (*config_half_duplex)(void *mac_drv, u8 newval);
373 /*config tx pause time,if pause_time is zero,disable tx pause enable*/
374 void (*set_tx_auto_pause_frames)(void *mac_drv, u16 pause_time);
375 /*config rx pause enable*/
376 void (*set_rx_ignore_pause_frames)(void *mac_drv, u32 enable);
377 /* config rx mode for promiscuous*/
378 void (*set_promiscuous)(void *mac_drv, u8 enable);
379 void (*mac_pausefrm_cfg)(void *mac_drv, u32 rx_en, u32 tx_en);
380
381 void (*autoneg_stat)(void *mac_drv, u32 *enable);
382 int (*set_pause_enable)(void *mac_drv, u32 rx_en, u32 tx_en);
383 void (*get_pause_enable)(void *mac_drv, u32 *rx_en, u32 *tx_en);
384 void (*get_link_status)(void *mac_drv, u32 *link_stat);
385 /* get the imporant regs*/
386 void (*get_regs)(void *mac_drv, void *data);
387 int (*get_regs_count)(void);
388 /* get strings name for ethtool statistic */
389 void (*get_strings)(u32 stringset, u8 *data);
390 /* get the number of strings*/
391 int (*get_sset_count)(int stringset);
392
393 /* get the statistic by ethtools*/
394 void (*get_ethtool_stats)(void *mac_drv, u64 *data);
395
396 /* get mac information */
397 void (*get_info)(void *mac_drv, struct mac_info *mac_info);
398
399 void (*update_stats)(void *mac_drv);
400 int (*wait_fifo_clean)(void *mac_drv);
401
402 enum mac_mode mac_mode;
403 u8 mac_id;
404 struct hns_mac_cb *mac_cb;
405 void __iomem *io_base;
406 unsigned int mac_en_flg;/*you'd better don't enable mac twice*/
407 unsigned int virt_dev_num;
408 struct device *dev;
409 };
410
411 struct mac_stats_string {
412 const char desc[ETH_GSTRING_LEN];
413 unsigned long offset;
414 };
415
416 #define MAC_MAKE_MODE(interface, speed) (enum mac_mode)((interface) | (speed))
417 #define MAC_INTERFACE_FROM_MODE(mode) (enum mac_intf)((mode) & 0xFFFF0000)
418 #define MAC_SPEED_FROM_MODE(mode) (enum mac_speed)((mode) & 0x0000FFFF)
419 #define MAC_STATS_FIELD_OFF(field) (offsetof(struct mac_hw_stats, field))
420
hns_mac_get_drv(const struct hns_mac_cb * mac_cb)421 static inline struct mac_driver *hns_mac_get_drv(
422 const struct hns_mac_cb *mac_cb)
423 {
424 return (struct mac_driver *)(mac_cb->priv.mac);
425 }
426
427 void *hns_gmac_config(struct hns_mac_cb *mac_cb,
428 struct mac_params *mac_param);
429 void *hns_xgmac_config(struct hns_mac_cb *mac_cb,
430 struct mac_params *mac_param);
431
432 int hns_mac_init(struct dsaf_device *dsaf_dev);
433 void mac_adjust_link(struct net_device *net_dev);
434 bool hns_mac_need_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex);
435 void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status);
436 int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb, u32 vmid, char *addr);
437 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
438 u32 port_num, char *addr, bool enable);
439 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vm, bool enable);
440 void hns_mac_start(struct hns_mac_cb *mac_cb);
441 void hns_mac_stop(struct hns_mac_cb *mac_cb);
442 void hns_mac_uninit(struct dsaf_device *dsaf_dev);
443 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex);
444 void hns_mac_reset(struct hns_mac_cb *mac_cb);
445 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg);
446 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en);
447 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable);
448 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en);
449 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size);
450 int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
451 u8 *auto_neg, u16 *speed, u8 *duplex);
452 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
453 enum hnae_loop loop, int en);
454 void hns_mac_update_stats(struct hns_mac_cb *mac_cb);
455 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data);
456 void hns_mac_get_strings(struct hns_mac_cb *mac_cb, int stringset, u8 *data);
457 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset);
458 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data);
459 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb);
460 void hns_set_led_opt(struct hns_mac_cb *mac_cb);
461 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
462 enum hnae_led_state status);
463 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en);
464 int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb,
465 u8 vmid, u8 *port_num);
466 int hns_mac_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
467 const unsigned char *addr);
468 int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
469 const unsigned char *addr);
470 int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn);
471 void hns_mac_enable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode);
472 void hns_mac_disable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode);
473 int hns_mac_wait_fifo_clean(struct hns_mac_cb *mac_cb);
474
475 #endif /* _HNS_DSAF_MAC_H */
476
