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)) 420 421 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