1 // SPDX-License-Identifier: GPL-2.0 2 /* Texas Instruments K3 AM65 Ethernet Switch SubSystem Driver ethtool ops 3 * 4 * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ 5 * 6 */ 7 8 #include <linux/net_tstamp.h> 9 #include <linux/phylink.h> 10 #include <linux/platform_device.h> 11 #include <linux/pm_runtime.h> 12 13 #include "am65-cpsw-nuss.h" 14 #include "cpsw_ale.h" 15 #include "am65-cpts.h" 16 17 #define AM65_CPSW_REGDUMP_VER 0x1 18 19 enum { 20 AM65_CPSW_REGDUMP_MOD_NUSS = 1, 21 AM65_CPSW_REGDUMP_MOD_RGMII_STATUS = 2, 22 AM65_CPSW_REGDUMP_MOD_MDIO = 3, 23 AM65_CPSW_REGDUMP_MOD_CPSW = 4, 24 AM65_CPSW_REGDUMP_MOD_CPSW_P0 = 5, 25 AM65_CPSW_REGDUMP_MOD_CPSW_P1 = 6, 26 AM65_CPSW_REGDUMP_MOD_CPSW_CPTS = 7, 27 AM65_CPSW_REGDUMP_MOD_CPSW_ALE = 8, 28 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL = 9, 29 AM65_CPSW_REGDUMP_MOD_LAST, 30 }; 31 32 /** 33 * struct am65_cpsw_regdump_hdr - regdump record header 34 * 35 * @module_id: CPSW module ID 36 * @len: CPSW module registers space length in u32 37 */ 38 39 struct am65_cpsw_regdump_hdr { 40 u32 module_id; 41 u32 len; 42 }; 43 44 /** 45 * struct am65_cpsw_regdump_item - regdump module description 46 * 47 * @hdr: CPSW module header 48 * @start_ofs: CPSW module registers start addr 49 * @end_ofs: CPSW module registers end addr 50 * 51 * Registers dump provided in the format: 52 * u32 : module ID 53 * u32 : dump length 54 * u32[..len]: registers values 55 */ 56 struct am65_cpsw_regdump_item { 57 struct am65_cpsw_regdump_hdr hdr; 58 u32 start_ofs; 59 u32 end_ofs; 60 }; 61 62 #define AM65_CPSW_REGDUMP_REC(mod, start, end) { \ 63 .hdr.module_id = (mod), \ 64 .hdr.len = (end + 4 - start) * 2 + \ 65 sizeof(struct am65_cpsw_regdump_hdr), \ 66 .start_ofs = (start), \ 67 .end_ofs = end, \ 68 } 69 70 static const struct am65_cpsw_regdump_item am65_cpsw_regdump[] = { 71 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_NUSS, 0x0, 0x1c), 72 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_RGMII_STATUS, 0x30, 0x4c), 73 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_MDIO, 0xf00, 0xffc), 74 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW, 0x20000, 0x2011c), 75 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P0, 0x21000, 0x21320), 76 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P1, 0x22000, 0x223a4), 77 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_CPTS, 78 0x3d000, 0x3d048), 79 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE, 0x3e000, 0x3e13c), 80 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL, 0, 0), 81 }; 82 83 struct am65_cpsw_stats_regs { 84 u32 rx_good_frames; 85 u32 rx_broadcast_frames; 86 u32 rx_multicast_frames; 87 u32 rx_pause_frames; /* slave */ 88 u32 rx_crc_errors; 89 u32 rx_align_code_errors; /* slave */ 90 u32 rx_oversized_frames; 91 u32 rx_jabber_frames; /* slave */ 92 u32 rx_undersized_frames; 93 u32 rx_fragments; /* slave */ 94 u32 ale_drop; 95 u32 ale_overrun_drop; 96 u32 rx_octets; 97 u32 tx_good_frames; 98 u32 tx_broadcast_frames; 99 u32 tx_multicast_frames; 100 u32 tx_pause_frames; /* slave */ 101 u32 tx_deferred_frames; /* slave */ 102 u32 tx_collision_frames; /* slave */ 103 u32 tx_single_coll_frames; /* slave */ 104 u32 tx_mult_coll_frames; /* slave */ 105 u32 tx_excessive_collisions; /* slave */ 106 u32 tx_late_collisions; /* slave */ 107 u32 rx_ipg_error; /* slave 10G only */ 108 u32 tx_carrier_sense_errors; /* slave */ 109 u32 tx_octets; 110 u32 tx_64B_frames; 111 u32 tx_65_to_127B_frames; 112 u32 tx_128_to_255B_frames; 113 u32 tx_256_to_511B_frames; 114 u32 tx_512_to_1023B_frames; 115 u32 tx_1024B_frames; 116 u32 net_octets; 117 u32 rx_bottom_fifo_drop; 118 u32 rx_port_mask_drop; 119 u32 rx_top_fifo_drop; 120 u32 ale_rate_limit_drop; 121 u32 ale_vid_ingress_drop; 122 u32 ale_da_eq_sa_drop; 123 u32 ale_block_drop; /* K3 */ 124 u32 ale_secure_drop; /* K3 */ 125 u32 ale_auth_drop; /* K3 */ 126 u32 ale_unknown_ucast; 127 u32 ale_unknown_ucast_bytes; 128 u32 ale_unknown_mcast; 129 u32 ale_unknown_mcast_bytes; 130 u32 ale_unknown_bcast; 131 u32 ale_unknown_bcast_bytes; 132 u32 ale_pol_match; 133 u32 ale_pol_match_red; 134 u32 ale_pol_match_yellow; 135 u32 ale_mcast_sa_drop; /* K3 */ 136 u32 ale_dual_vlan_drop; /* K3 */ 137 u32 ale_len_err_drop; /* K3 */ 138 u32 ale_ip_next_hdr_drop; /* K3 */ 139 u32 ale_ipv4_frag_drop; /* K3 */ 140 u32 __rsvd_1[24]; 141 u32 iet_rx_assembly_err; /* K3 slave */ 142 u32 iet_rx_assembly_ok; /* K3 slave */ 143 u32 iet_rx_smd_err; /* K3 slave */ 144 u32 iet_rx_frag; /* K3 slave */ 145 u32 iet_tx_hold; /* K3 slave */ 146 u32 iet_tx_frag; /* K3 slave */ 147 u32 __rsvd_2[9]; 148 u32 tx_mem_protect_err; 149 /* following NU only */ 150 u32 tx_pri0; 151 u32 tx_pri1; 152 u32 tx_pri2; 153 u32 tx_pri3; 154 u32 tx_pri4; 155 u32 tx_pri5; 156 u32 tx_pri6; 157 u32 tx_pri7; 158 u32 tx_pri0_bcnt; 159 u32 tx_pri1_bcnt; 160 u32 tx_pri2_bcnt; 161 u32 tx_pri3_bcnt; 162 u32 tx_pri4_bcnt; 163 u32 tx_pri5_bcnt; 164 u32 tx_pri6_bcnt; 165 u32 tx_pri7_bcnt; 166 u32 tx_pri0_drop; 167 u32 tx_pri1_drop; 168 u32 tx_pri2_drop; 169 u32 tx_pri3_drop; 170 u32 tx_pri4_drop; 171 u32 tx_pri5_drop; 172 u32 tx_pri6_drop; 173 u32 tx_pri7_drop; 174 u32 tx_pri0_drop_bcnt; 175 u32 tx_pri1_drop_bcnt; 176 u32 tx_pri2_drop_bcnt; 177 u32 tx_pri3_drop_bcnt; 178 u32 tx_pri4_drop_bcnt; 179 u32 tx_pri5_drop_bcnt; 180 u32 tx_pri6_drop_bcnt; 181 u32 tx_pri7_drop_bcnt; 182 }; 183 184 struct am65_cpsw_ethtool_stat { 185 char desc[ETH_GSTRING_LEN]; 186 int offset; 187 }; 188 189 #define AM65_CPSW_STATS(prefix, field) \ 190 { \ 191 #prefix#field, \ 192 offsetof(struct am65_cpsw_stats_regs, field) \ 193 } 194 195 static const struct am65_cpsw_ethtool_stat am65_host_stats[] = { 196 AM65_CPSW_STATS(p0_, rx_good_frames), 197 AM65_CPSW_STATS(p0_, rx_broadcast_frames), 198 AM65_CPSW_STATS(p0_, rx_multicast_frames), 199 AM65_CPSW_STATS(p0_, rx_crc_errors), 200 AM65_CPSW_STATS(p0_, rx_oversized_frames), 201 AM65_CPSW_STATS(p0_, rx_undersized_frames), 202 AM65_CPSW_STATS(p0_, ale_drop), 203 AM65_CPSW_STATS(p0_, ale_overrun_drop), 204 AM65_CPSW_STATS(p0_, rx_octets), 205 AM65_CPSW_STATS(p0_, tx_good_frames), 206 AM65_CPSW_STATS(p0_, tx_broadcast_frames), 207 AM65_CPSW_STATS(p0_, tx_multicast_frames), 208 AM65_CPSW_STATS(p0_, tx_octets), 209 AM65_CPSW_STATS(p0_, tx_64B_frames), 210 AM65_CPSW_STATS(p0_, tx_65_to_127B_frames), 211 AM65_CPSW_STATS(p0_, tx_128_to_255B_frames), 212 AM65_CPSW_STATS(p0_, tx_256_to_511B_frames), 213 AM65_CPSW_STATS(p0_, tx_512_to_1023B_frames), 214 AM65_CPSW_STATS(p0_, tx_1024B_frames), 215 AM65_CPSW_STATS(p0_, net_octets), 216 AM65_CPSW_STATS(p0_, rx_bottom_fifo_drop), 217 AM65_CPSW_STATS(p0_, rx_port_mask_drop), 218 AM65_CPSW_STATS(p0_, rx_top_fifo_drop), 219 AM65_CPSW_STATS(p0_, ale_rate_limit_drop), 220 AM65_CPSW_STATS(p0_, ale_vid_ingress_drop), 221 AM65_CPSW_STATS(p0_, ale_da_eq_sa_drop), 222 AM65_CPSW_STATS(p0_, ale_block_drop), 223 AM65_CPSW_STATS(p0_, ale_secure_drop), 224 AM65_CPSW_STATS(p0_, ale_auth_drop), 225 AM65_CPSW_STATS(p0_, ale_unknown_ucast), 226 AM65_CPSW_STATS(p0_, ale_unknown_ucast_bytes), 227 AM65_CPSW_STATS(p0_, ale_unknown_mcast), 228 AM65_CPSW_STATS(p0_, ale_unknown_mcast_bytes), 229 AM65_CPSW_STATS(p0_, ale_unknown_bcast), 230 AM65_CPSW_STATS(p0_, ale_unknown_bcast_bytes), 231 AM65_CPSW_STATS(p0_, ale_pol_match), 232 AM65_CPSW_STATS(p0_, ale_pol_match_red), 233 AM65_CPSW_STATS(p0_, ale_pol_match_yellow), 234 AM65_CPSW_STATS(p0_, ale_mcast_sa_drop), 235 AM65_CPSW_STATS(p0_, ale_dual_vlan_drop), 236 AM65_CPSW_STATS(p0_, ale_len_err_drop), 237 AM65_CPSW_STATS(p0_, ale_ip_next_hdr_drop), 238 AM65_CPSW_STATS(p0_, ale_ipv4_frag_drop), 239 AM65_CPSW_STATS(p0_, tx_mem_protect_err), 240 AM65_CPSW_STATS(p0_, tx_pri0), 241 AM65_CPSW_STATS(p0_, tx_pri1), 242 AM65_CPSW_STATS(p0_, tx_pri2), 243 AM65_CPSW_STATS(p0_, tx_pri3), 244 AM65_CPSW_STATS(p0_, tx_pri4), 245 AM65_CPSW_STATS(p0_, tx_pri5), 246 AM65_CPSW_STATS(p0_, tx_pri6), 247 AM65_CPSW_STATS(p0_, tx_pri7), 248 AM65_CPSW_STATS(p0_, tx_pri0_bcnt), 249 AM65_CPSW_STATS(p0_, tx_pri1_bcnt), 250 AM65_CPSW_STATS(p0_, tx_pri2_bcnt), 251 AM65_CPSW_STATS(p0_, tx_pri3_bcnt), 252 AM65_CPSW_STATS(p0_, tx_pri4_bcnt), 253 AM65_CPSW_STATS(p0_, tx_pri5_bcnt), 254 AM65_CPSW_STATS(p0_, tx_pri6_bcnt), 255 AM65_CPSW_STATS(p0_, tx_pri7_bcnt), 256 AM65_CPSW_STATS(p0_, tx_pri0_drop), 257 AM65_CPSW_STATS(p0_, tx_pri1_drop), 258 AM65_CPSW_STATS(p0_, tx_pri2_drop), 259 AM65_CPSW_STATS(p0_, tx_pri3_drop), 260 AM65_CPSW_STATS(p0_, tx_pri4_drop), 261 AM65_CPSW_STATS(p0_, tx_pri5_drop), 262 AM65_CPSW_STATS(p0_, tx_pri6_drop), 263 AM65_CPSW_STATS(p0_, tx_pri7_drop), 264 AM65_CPSW_STATS(p0_, tx_pri0_drop_bcnt), 265 AM65_CPSW_STATS(p0_, tx_pri1_drop_bcnt), 266 AM65_CPSW_STATS(p0_, tx_pri2_drop_bcnt), 267 AM65_CPSW_STATS(p0_, tx_pri3_drop_bcnt), 268 AM65_CPSW_STATS(p0_, tx_pri4_drop_bcnt), 269 AM65_CPSW_STATS(p0_, tx_pri5_drop_bcnt), 270 AM65_CPSW_STATS(p0_, tx_pri6_drop_bcnt), 271 AM65_CPSW_STATS(p0_, tx_pri7_drop_bcnt), 272 }; 273 274 static const struct am65_cpsw_ethtool_stat am65_slave_stats[] = { 275 AM65_CPSW_STATS(, rx_good_frames), 276 AM65_CPSW_STATS(, rx_broadcast_frames), 277 AM65_CPSW_STATS(, rx_multicast_frames), 278 AM65_CPSW_STATS(, rx_pause_frames), 279 AM65_CPSW_STATS(, rx_crc_errors), 280 AM65_CPSW_STATS(, rx_align_code_errors), 281 AM65_CPSW_STATS(, rx_oversized_frames), 282 AM65_CPSW_STATS(, rx_jabber_frames), 283 AM65_CPSW_STATS(, rx_undersized_frames), 284 AM65_CPSW_STATS(, rx_fragments), 285 AM65_CPSW_STATS(, ale_drop), 286 AM65_CPSW_STATS(, ale_overrun_drop), 287 AM65_CPSW_STATS(, rx_octets), 288 AM65_CPSW_STATS(, tx_good_frames), 289 AM65_CPSW_STATS(, tx_broadcast_frames), 290 AM65_CPSW_STATS(, tx_multicast_frames), 291 AM65_CPSW_STATS(, tx_pause_frames), 292 AM65_CPSW_STATS(, tx_deferred_frames), 293 AM65_CPSW_STATS(, tx_collision_frames), 294 AM65_CPSW_STATS(, tx_single_coll_frames), 295 AM65_CPSW_STATS(, tx_mult_coll_frames), 296 AM65_CPSW_STATS(, tx_excessive_collisions), 297 AM65_CPSW_STATS(, tx_late_collisions), 298 AM65_CPSW_STATS(, rx_ipg_error), 299 AM65_CPSW_STATS(, tx_carrier_sense_errors), 300 AM65_CPSW_STATS(, tx_octets), 301 AM65_CPSW_STATS(, tx_64B_frames), 302 AM65_CPSW_STATS(, tx_65_to_127B_frames), 303 AM65_CPSW_STATS(, tx_128_to_255B_frames), 304 AM65_CPSW_STATS(, tx_256_to_511B_frames), 305 AM65_CPSW_STATS(, tx_512_to_1023B_frames), 306 AM65_CPSW_STATS(, tx_1024B_frames), 307 AM65_CPSW_STATS(, net_octets), 308 AM65_CPSW_STATS(, rx_bottom_fifo_drop), 309 AM65_CPSW_STATS(, rx_port_mask_drop), 310 AM65_CPSW_STATS(, rx_top_fifo_drop), 311 AM65_CPSW_STATS(, ale_rate_limit_drop), 312 AM65_CPSW_STATS(, ale_vid_ingress_drop), 313 AM65_CPSW_STATS(, ale_da_eq_sa_drop), 314 AM65_CPSW_STATS(, ale_block_drop), 315 AM65_CPSW_STATS(, ale_secure_drop), 316 AM65_CPSW_STATS(, ale_auth_drop), 317 AM65_CPSW_STATS(, ale_unknown_ucast), 318 AM65_CPSW_STATS(, ale_unknown_ucast_bytes), 319 AM65_CPSW_STATS(, ale_unknown_mcast), 320 AM65_CPSW_STATS(, ale_unknown_mcast_bytes), 321 AM65_CPSW_STATS(, ale_unknown_bcast), 322 AM65_CPSW_STATS(, ale_unknown_bcast_bytes), 323 AM65_CPSW_STATS(, ale_pol_match), 324 AM65_CPSW_STATS(, ale_pol_match_red), 325 AM65_CPSW_STATS(, ale_pol_match_yellow), 326 AM65_CPSW_STATS(, ale_mcast_sa_drop), 327 AM65_CPSW_STATS(, ale_dual_vlan_drop), 328 AM65_CPSW_STATS(, ale_len_err_drop), 329 AM65_CPSW_STATS(, ale_ip_next_hdr_drop), 330 AM65_CPSW_STATS(, ale_ipv4_frag_drop), 331 AM65_CPSW_STATS(, iet_rx_assembly_err), 332 AM65_CPSW_STATS(, iet_rx_assembly_ok), 333 AM65_CPSW_STATS(, iet_rx_smd_err), 334 AM65_CPSW_STATS(, iet_rx_frag), 335 AM65_CPSW_STATS(, iet_tx_hold), 336 AM65_CPSW_STATS(, iet_tx_frag), 337 AM65_CPSW_STATS(, tx_mem_protect_err), 338 AM65_CPSW_STATS(, tx_pri0), 339 AM65_CPSW_STATS(, tx_pri1), 340 AM65_CPSW_STATS(, tx_pri2), 341 AM65_CPSW_STATS(, tx_pri3), 342 AM65_CPSW_STATS(, tx_pri4), 343 AM65_CPSW_STATS(, tx_pri5), 344 AM65_CPSW_STATS(, tx_pri6), 345 AM65_CPSW_STATS(, tx_pri7), 346 AM65_CPSW_STATS(, tx_pri0_bcnt), 347 AM65_CPSW_STATS(, tx_pri1_bcnt), 348 AM65_CPSW_STATS(, tx_pri2_bcnt), 349 AM65_CPSW_STATS(, tx_pri3_bcnt), 350 AM65_CPSW_STATS(, tx_pri4_bcnt), 351 AM65_CPSW_STATS(, tx_pri5_bcnt), 352 AM65_CPSW_STATS(, tx_pri6_bcnt), 353 AM65_CPSW_STATS(, tx_pri7_bcnt), 354 AM65_CPSW_STATS(, tx_pri0_drop), 355 AM65_CPSW_STATS(, tx_pri1_drop), 356 AM65_CPSW_STATS(, tx_pri2_drop), 357 AM65_CPSW_STATS(, tx_pri3_drop), 358 AM65_CPSW_STATS(, tx_pri4_drop), 359 AM65_CPSW_STATS(, tx_pri5_drop), 360 AM65_CPSW_STATS(, tx_pri6_drop), 361 AM65_CPSW_STATS(, tx_pri7_drop), 362 AM65_CPSW_STATS(, tx_pri0_drop_bcnt), 363 AM65_CPSW_STATS(, tx_pri1_drop_bcnt), 364 AM65_CPSW_STATS(, tx_pri2_drop_bcnt), 365 AM65_CPSW_STATS(, tx_pri3_drop_bcnt), 366 AM65_CPSW_STATS(, tx_pri4_drop_bcnt), 367 AM65_CPSW_STATS(, tx_pri5_drop_bcnt), 368 AM65_CPSW_STATS(, tx_pri6_drop_bcnt), 369 AM65_CPSW_STATS(, tx_pri7_drop_bcnt), 370 }; 371 372 /* Ethtool priv_flags */ 373 static const char am65_cpsw_ethtool_priv_flags[][ETH_GSTRING_LEN] = { 374 #define AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN BIT(0) 375 "p0-rx-ptype-rrobin", 376 }; 377 378 static int am65_cpsw_ethtool_op_begin(struct net_device *ndev) 379 { 380 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 381 int ret; 382 383 ret = pm_runtime_get_sync(common->dev); 384 if (ret < 0) { 385 dev_err(common->dev, "ethtool begin failed %d\n", ret); 386 pm_runtime_put_noidle(common->dev); 387 } 388 389 return ret; 390 } 391 392 static void am65_cpsw_ethtool_op_complete(struct net_device *ndev) 393 { 394 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 395 int ret; 396 397 ret = pm_runtime_put(common->dev); 398 if (ret < 0 && ret != -EBUSY) 399 dev_err(common->dev, "ethtool complete failed %d\n", ret); 400 } 401 402 static void am65_cpsw_get_drvinfo(struct net_device *ndev, 403 struct ethtool_drvinfo *info) 404 { 405 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 406 407 strlcpy(info->driver, dev_driver_string(common->dev), 408 sizeof(info->driver)); 409 strlcpy(info->bus_info, dev_name(common->dev), sizeof(info->bus_info)); 410 } 411 412 static u32 am65_cpsw_get_msglevel(struct net_device *ndev) 413 { 414 struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev); 415 416 return priv->msg_enable; 417 } 418 419 static void am65_cpsw_set_msglevel(struct net_device *ndev, u32 value) 420 { 421 struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev); 422 423 priv->msg_enable = value; 424 } 425 426 static void am65_cpsw_get_channels(struct net_device *ndev, 427 struct ethtool_channels *ch) 428 { 429 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 430 431 ch->max_rx = AM65_CPSW_MAX_RX_QUEUES; 432 ch->max_tx = AM65_CPSW_MAX_TX_QUEUES; 433 ch->rx_count = AM65_CPSW_MAX_RX_QUEUES; 434 ch->tx_count = common->tx_ch_num; 435 } 436 437 static int am65_cpsw_set_channels(struct net_device *ndev, 438 struct ethtool_channels *chs) 439 { 440 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 441 442 if (!chs->rx_count || !chs->tx_count) 443 return -EINVAL; 444 445 /* Check if interface is up. Can change the num queues when 446 * the interface is down. 447 */ 448 if (common->usage_count) 449 return -EBUSY; 450 451 am65_cpsw_nuss_remove_tx_chns(common); 452 453 return am65_cpsw_nuss_update_tx_chns(common, chs->tx_count); 454 } 455 456 static void 457 am65_cpsw_get_ringparam(struct net_device *ndev, 458 struct ethtool_ringparam *ering, 459 struct kernel_ethtool_ringparam *kernel_ering, 460 struct netlink_ext_ack *extack) 461 { 462 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 463 464 /* not supported */ 465 ering->tx_pending = common->tx_chns[0].descs_num; 466 ering->rx_pending = common->rx_chns.descs_num; 467 } 468 469 static void am65_cpsw_get_pauseparam(struct net_device *ndev, 470 struct ethtool_pauseparam *pause) 471 { 472 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 473 474 phylink_ethtool_get_pauseparam(salve->phylink, pause); 475 } 476 477 static int am65_cpsw_set_pauseparam(struct net_device *ndev, 478 struct ethtool_pauseparam *pause) 479 { 480 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 481 482 return phylink_ethtool_set_pauseparam(salve->phylink, pause); 483 } 484 485 static void am65_cpsw_get_wol(struct net_device *ndev, 486 struct ethtool_wolinfo *wol) 487 { 488 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 489 490 phylink_ethtool_get_wol(salve->phylink, wol); 491 } 492 493 static int am65_cpsw_set_wol(struct net_device *ndev, 494 struct ethtool_wolinfo *wol) 495 { 496 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 497 498 return phylink_ethtool_set_wol(salve->phylink, wol); 499 } 500 501 static int am65_cpsw_get_link_ksettings(struct net_device *ndev, 502 struct ethtool_link_ksettings *ecmd) 503 { 504 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 505 506 return phylink_ethtool_ksettings_get(salve->phylink, ecmd); 507 } 508 509 static int 510 am65_cpsw_set_link_ksettings(struct net_device *ndev, 511 const struct ethtool_link_ksettings *ecmd) 512 { 513 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 514 515 return phylink_ethtool_ksettings_set(salve->phylink, ecmd); 516 } 517 518 static int am65_cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata) 519 { 520 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 521 522 return phylink_ethtool_get_eee(salve->phylink, edata); 523 } 524 525 static int am65_cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata) 526 { 527 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 528 529 return phylink_ethtool_set_eee(salve->phylink, edata); 530 } 531 532 static int am65_cpsw_nway_reset(struct net_device *ndev) 533 { 534 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 535 536 return phylink_ethtool_nway_reset(salve->phylink); 537 } 538 539 static int am65_cpsw_get_regs_len(struct net_device *ndev) 540 { 541 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 542 u32 ale_entries, i, regdump_len = 0; 543 544 ale_entries = cpsw_ale_get_num_entries(common->ale); 545 for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) { 546 if (am65_cpsw_regdump[i].hdr.module_id == 547 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) { 548 regdump_len += sizeof(struct am65_cpsw_regdump_hdr); 549 regdump_len += ale_entries * 550 ALE_ENTRY_WORDS * sizeof(u32); 551 continue; 552 } 553 regdump_len += am65_cpsw_regdump[i].hdr.len; 554 } 555 556 return regdump_len; 557 } 558 559 static void am65_cpsw_get_regs(struct net_device *ndev, 560 struct ethtool_regs *regs, void *p) 561 { 562 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 563 u32 ale_entries, i, j, pos, *reg = p; 564 565 /* update CPSW IP version */ 566 regs->version = AM65_CPSW_REGDUMP_VER; 567 ale_entries = cpsw_ale_get_num_entries(common->ale); 568 569 pos = 0; 570 for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) { 571 reg[pos++] = am65_cpsw_regdump[i].hdr.module_id; 572 573 if (am65_cpsw_regdump[i].hdr.module_id == 574 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) { 575 u32 ale_tbl_len = ale_entries * 576 ALE_ENTRY_WORDS * sizeof(u32) + 577 sizeof(struct am65_cpsw_regdump_hdr); 578 reg[pos++] = ale_tbl_len; 579 cpsw_ale_dump(common->ale, ®[pos]); 580 pos += ale_tbl_len; 581 continue; 582 } 583 584 reg[pos++] = am65_cpsw_regdump[i].hdr.len; 585 586 j = am65_cpsw_regdump[i].start_ofs; 587 do { 588 reg[pos++] = j; 589 reg[pos++] = readl_relaxed(common->ss_base + j); 590 j += sizeof(u32); 591 } while (j <= am65_cpsw_regdump[i].end_ofs); 592 } 593 } 594 595 static int am65_cpsw_get_sset_count(struct net_device *ndev, int sset) 596 { 597 switch (sset) { 598 case ETH_SS_STATS: 599 return ARRAY_SIZE(am65_host_stats) + 600 ARRAY_SIZE(am65_slave_stats); 601 case ETH_SS_PRIV_FLAGS: 602 return ARRAY_SIZE(am65_cpsw_ethtool_priv_flags); 603 default: 604 return -EOPNOTSUPP; 605 } 606 } 607 608 static void am65_cpsw_get_strings(struct net_device *ndev, 609 u32 stringset, u8 *data) 610 { 611 const struct am65_cpsw_ethtool_stat *hw_stats; 612 u32 i, num_stats; 613 u8 *p = data; 614 615 switch (stringset) { 616 case ETH_SS_STATS: 617 num_stats = ARRAY_SIZE(am65_host_stats); 618 hw_stats = am65_host_stats; 619 for (i = 0; i < num_stats; i++) { 620 memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN); 621 p += ETH_GSTRING_LEN; 622 } 623 624 num_stats = ARRAY_SIZE(am65_slave_stats); 625 hw_stats = am65_slave_stats; 626 for (i = 0; i < num_stats; i++) { 627 memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN); 628 p += ETH_GSTRING_LEN; 629 } 630 break; 631 case ETH_SS_PRIV_FLAGS: 632 num_stats = ARRAY_SIZE(am65_cpsw_ethtool_priv_flags); 633 634 for (i = 0; i < num_stats; i++) { 635 memcpy(p, am65_cpsw_ethtool_priv_flags[i], 636 ETH_GSTRING_LEN); 637 p += ETH_GSTRING_LEN; 638 } 639 break; 640 } 641 } 642 643 static void am65_cpsw_get_ethtool_stats(struct net_device *ndev, 644 struct ethtool_stats *stats, u64 *data) 645 { 646 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 647 const struct am65_cpsw_ethtool_stat *hw_stats; 648 struct am65_cpsw_host *host_p; 649 struct am65_cpsw_port *port; 650 u32 i, num_stats; 651 652 host_p = am65_common_get_host(common); 653 port = am65_ndev_to_port(ndev); 654 num_stats = ARRAY_SIZE(am65_host_stats); 655 hw_stats = am65_host_stats; 656 for (i = 0; i < num_stats; i++) 657 *data++ = readl_relaxed(host_p->stat_base + 658 hw_stats[i].offset); 659 660 num_stats = ARRAY_SIZE(am65_slave_stats); 661 hw_stats = am65_slave_stats; 662 for (i = 0; i < num_stats; i++) 663 *data++ = readl_relaxed(port->stat_base + 664 hw_stats[i].offset); 665 } 666 667 static int am65_cpsw_get_ethtool_ts_info(struct net_device *ndev, 668 struct ethtool_ts_info *info) 669 { 670 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 671 672 if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS)) 673 return ethtool_op_get_ts_info(ndev, info); 674 675 info->so_timestamping = 676 SOF_TIMESTAMPING_TX_HARDWARE | 677 SOF_TIMESTAMPING_TX_SOFTWARE | 678 SOF_TIMESTAMPING_RX_HARDWARE | 679 SOF_TIMESTAMPING_RX_SOFTWARE | 680 SOF_TIMESTAMPING_SOFTWARE | 681 SOF_TIMESTAMPING_RAW_HARDWARE; 682 info->phc_index = am65_cpts_phc_index(common->cpts); 683 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 684 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 685 return 0; 686 } 687 688 static u32 am65_cpsw_get_ethtool_priv_flags(struct net_device *ndev) 689 { 690 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 691 u32 priv_flags = 0; 692 693 if (common->pf_p0_rx_ptype_rrobin) 694 priv_flags |= AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN; 695 696 return priv_flags; 697 } 698 699 static int am65_cpsw_set_ethtool_priv_flags(struct net_device *ndev, u32 flags) 700 { 701 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 702 int rrobin; 703 704 rrobin = !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN); 705 706 if (common->usage_count) 707 return -EBUSY; 708 709 if (common->est_enabled && rrobin) { 710 netdev_err(ndev, 711 "p0-rx-ptype-rrobin flag conflicts with QOS\n"); 712 return -EINVAL; 713 } 714 715 common->pf_p0_rx_ptype_rrobin = rrobin; 716 717 return 0; 718 } 719 720 const struct ethtool_ops am65_cpsw_ethtool_ops_slave = { 721 .begin = am65_cpsw_ethtool_op_begin, 722 .complete = am65_cpsw_ethtool_op_complete, 723 .get_drvinfo = am65_cpsw_get_drvinfo, 724 .get_msglevel = am65_cpsw_get_msglevel, 725 .set_msglevel = am65_cpsw_set_msglevel, 726 .get_channels = am65_cpsw_get_channels, 727 .set_channels = am65_cpsw_set_channels, 728 .get_ringparam = am65_cpsw_get_ringparam, 729 .get_regs_len = am65_cpsw_get_regs_len, 730 .get_regs = am65_cpsw_get_regs, 731 .get_sset_count = am65_cpsw_get_sset_count, 732 .get_strings = am65_cpsw_get_strings, 733 .get_ethtool_stats = am65_cpsw_get_ethtool_stats, 734 .get_ts_info = am65_cpsw_get_ethtool_ts_info, 735 .get_priv_flags = am65_cpsw_get_ethtool_priv_flags, 736 .set_priv_flags = am65_cpsw_set_ethtool_priv_flags, 737 738 .get_link = ethtool_op_get_link, 739 .get_link_ksettings = am65_cpsw_get_link_ksettings, 740 .set_link_ksettings = am65_cpsw_set_link_ksettings, 741 .get_pauseparam = am65_cpsw_get_pauseparam, 742 .set_pauseparam = am65_cpsw_set_pauseparam, 743 .get_wol = am65_cpsw_get_wol, 744 .set_wol = am65_cpsw_set_wol, 745 .get_eee = am65_cpsw_get_eee, 746 .set_eee = am65_cpsw_set_eee, 747 .nway_reset = am65_cpsw_nway_reset, 748 }; 749