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/phy.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 16 #define AM65_CPSW_REGDUMP_VER 0x1 17 18 enum { 19 AM65_CPSW_REGDUMP_MOD_NUSS = 1, 20 AM65_CPSW_REGDUMP_MOD_RGMII_STATUS = 2, 21 AM65_CPSW_REGDUMP_MOD_MDIO = 3, 22 AM65_CPSW_REGDUMP_MOD_CPSW = 4, 23 AM65_CPSW_REGDUMP_MOD_CPSW_P0 = 5, 24 AM65_CPSW_REGDUMP_MOD_CPSW_P1 = 6, 25 AM65_CPSW_REGDUMP_MOD_CPSW_CPTS = 7, 26 AM65_CPSW_REGDUMP_MOD_CPSW_ALE = 8, 27 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL = 9, 28 AM65_CPSW_REGDUMP_MOD_LAST, 29 }; 30 31 /** 32 * struct am65_cpsw_regdump_hdr - regdump record header 33 * 34 * @module_id: CPSW module ID 35 * @len: CPSW module registers space length in u32 36 */ 37 38 struct am65_cpsw_regdump_hdr { 39 u32 module_id; 40 u32 len; 41 }; 42 43 /** 44 * struct am65_cpsw_regdump_item - regdump module description 45 * 46 * @hdr: CPSW module header 47 * @start_ofs: CPSW module registers start addr 48 * @end_ofs: CPSW module registers end addr 49 * 50 * Registers dump provided in the format: 51 * u32 : module ID 52 * u32 : dump length 53 * u32[..len]: registers values 54 */ 55 struct am65_cpsw_regdump_item { 56 struct am65_cpsw_regdump_hdr hdr; 57 u32 start_ofs; 58 u32 end_ofs; 59 }; 60 61 #define AM65_CPSW_REGDUMP_REC(mod, start, end) { \ 62 .hdr.module_id = (mod), \ 63 .hdr.len = (((u32 *)(end)) - ((u32 *)(start)) + 1) * sizeof(u32) * 2 + \ 64 sizeof(struct am65_cpsw_regdump_hdr), \ 65 .start_ofs = (start), \ 66 .end_ofs = end, \ 67 } 68 69 static const struct am65_cpsw_regdump_item am65_cpsw_regdump[] = { 70 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_NUSS, 0x0, 0x1c), 71 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_RGMII_STATUS, 0x30, 0x4c), 72 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_MDIO, 0xf00, 0xffc), 73 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW, 0x20000, 0x2011c), 74 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P0, 0x21000, 0x21320), 75 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P1, 0x22000, 0x223a4), 76 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_CPTS, 77 0x3d000, 0x3d048), 78 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE, 0x3e000, 0x3e13c), 79 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL, 0, 0), 80 }; 81 82 struct am65_cpsw_stats_regs { 83 u32 rx_good_frames; 84 u32 rx_broadcast_frames; 85 u32 rx_multicast_frames; 86 u32 rx_pause_frames; /* slave */ 87 u32 rx_crc_errors; 88 u32 rx_align_code_errors; /* slave */ 89 u32 rx_oversized_frames; 90 u32 rx_jabber_frames; /* slave */ 91 u32 rx_undersized_frames; 92 u32 rx_fragments; /* slave */ 93 u32 ale_drop; 94 u32 ale_overrun_drop; 95 u32 rx_octets; 96 u32 tx_good_frames; 97 u32 tx_broadcast_frames; 98 u32 tx_multicast_frames; 99 u32 tx_pause_frames; /* slave */ 100 u32 tx_deferred_frames; /* slave */ 101 u32 tx_collision_frames; /* slave */ 102 u32 tx_single_coll_frames; /* slave */ 103 u32 tx_mult_coll_frames; /* slave */ 104 u32 tx_excessive_collisions; /* slave */ 105 u32 tx_late_collisions; /* slave */ 106 u32 rx_ipg_error; /* slave 10G only */ 107 u32 tx_carrier_sense_errors; /* slave */ 108 u32 tx_octets; 109 u32 tx_64B_frames; 110 u32 tx_65_to_127B_frames; 111 u32 tx_128_to_255B_frames; 112 u32 tx_256_to_511B_frames; 113 u32 tx_512_to_1023B_frames; 114 u32 tx_1024B_frames; 115 u32 net_octets; 116 u32 rx_bottom_fifo_drop; 117 u32 rx_port_mask_drop; 118 u32 rx_top_fifo_drop; 119 u32 ale_rate_limit_drop; 120 u32 ale_vid_ingress_drop; 121 u32 ale_da_eq_sa_drop; 122 u32 ale_block_drop; /* K3 */ 123 u32 ale_secure_drop; /* K3 */ 124 u32 ale_auth_drop; /* K3 */ 125 u32 ale_unknown_ucast; 126 u32 ale_unknown_ucast_bytes; 127 u32 ale_unknown_mcast; 128 u32 ale_unknown_mcast_bytes; 129 u32 ale_unknown_bcast; 130 u32 ale_unknown_bcast_bytes; 131 u32 ale_pol_match; 132 u32 ale_pol_match_red; 133 u32 ale_pol_match_yellow; 134 u32 ale_mcast_sa_drop; /* K3 */ 135 u32 ale_dual_vlan_drop; /* K3 */ 136 u32 ale_len_err_drop; /* K3 */ 137 u32 ale_ip_next_hdr_drop; /* K3 */ 138 u32 ale_ipv4_frag_drop; /* K3 */ 139 u32 __rsvd_1[24]; 140 u32 iet_rx_assembly_err; /* K3 slave */ 141 u32 iet_rx_assembly_ok; /* K3 slave */ 142 u32 iet_rx_smd_err; /* K3 slave */ 143 u32 iet_rx_frag; /* K3 slave */ 144 u32 iet_tx_hold; /* K3 slave */ 145 u32 iet_tx_frag; /* K3 slave */ 146 u32 __rsvd_2[9]; 147 u32 tx_mem_protect_err; 148 /* following NU only */ 149 u32 tx_pri0; 150 u32 tx_pri1; 151 u32 tx_pri2; 152 u32 tx_pri3; 153 u32 tx_pri4; 154 u32 tx_pri5; 155 u32 tx_pri6; 156 u32 tx_pri7; 157 u32 tx_pri0_bcnt; 158 u32 tx_pri1_bcnt; 159 u32 tx_pri2_bcnt; 160 u32 tx_pri3_bcnt; 161 u32 tx_pri4_bcnt; 162 u32 tx_pri5_bcnt; 163 u32 tx_pri6_bcnt; 164 u32 tx_pri7_bcnt; 165 u32 tx_pri0_drop; 166 u32 tx_pri1_drop; 167 u32 tx_pri2_drop; 168 u32 tx_pri3_drop; 169 u32 tx_pri4_drop; 170 u32 tx_pri5_drop; 171 u32 tx_pri6_drop; 172 u32 tx_pri7_drop; 173 u32 tx_pri0_drop_bcnt; 174 u32 tx_pri1_drop_bcnt; 175 u32 tx_pri2_drop_bcnt; 176 u32 tx_pri3_drop_bcnt; 177 u32 tx_pri4_drop_bcnt; 178 u32 tx_pri5_drop_bcnt; 179 u32 tx_pri6_drop_bcnt; 180 u32 tx_pri7_drop_bcnt; 181 }; 182 183 struct am65_cpsw_ethtool_stat { 184 char desc[ETH_GSTRING_LEN]; 185 int offset; 186 }; 187 188 #define AM65_CPSW_STATS(prefix, field) \ 189 { \ 190 #prefix#field, \ 191 offsetof(struct am65_cpsw_stats_regs, field) \ 192 } 193 194 static const struct am65_cpsw_ethtool_stat am65_host_stats[] = { 195 AM65_CPSW_STATS(p0_, rx_good_frames), 196 AM65_CPSW_STATS(p0_, rx_broadcast_frames), 197 AM65_CPSW_STATS(p0_, rx_multicast_frames), 198 AM65_CPSW_STATS(p0_, rx_crc_errors), 199 AM65_CPSW_STATS(p0_, rx_oversized_frames), 200 AM65_CPSW_STATS(p0_, rx_undersized_frames), 201 AM65_CPSW_STATS(p0_, ale_drop), 202 AM65_CPSW_STATS(p0_, ale_overrun_drop), 203 AM65_CPSW_STATS(p0_, rx_octets), 204 AM65_CPSW_STATS(p0_, tx_good_frames), 205 AM65_CPSW_STATS(p0_, tx_broadcast_frames), 206 AM65_CPSW_STATS(p0_, tx_multicast_frames), 207 AM65_CPSW_STATS(p0_, tx_octets), 208 AM65_CPSW_STATS(p0_, tx_64B_frames), 209 AM65_CPSW_STATS(p0_, tx_65_to_127B_frames), 210 AM65_CPSW_STATS(p0_, tx_128_to_255B_frames), 211 AM65_CPSW_STATS(p0_, tx_256_to_511B_frames), 212 AM65_CPSW_STATS(p0_, tx_512_to_1023B_frames), 213 AM65_CPSW_STATS(p0_, tx_1024B_frames), 214 AM65_CPSW_STATS(p0_, net_octets), 215 AM65_CPSW_STATS(p0_, rx_bottom_fifo_drop), 216 AM65_CPSW_STATS(p0_, rx_port_mask_drop), 217 AM65_CPSW_STATS(p0_, rx_top_fifo_drop), 218 AM65_CPSW_STATS(p0_, ale_rate_limit_drop), 219 AM65_CPSW_STATS(p0_, ale_vid_ingress_drop), 220 AM65_CPSW_STATS(p0_, ale_da_eq_sa_drop), 221 AM65_CPSW_STATS(p0_, ale_block_drop), 222 AM65_CPSW_STATS(p0_, ale_secure_drop), 223 AM65_CPSW_STATS(p0_, ale_auth_drop), 224 AM65_CPSW_STATS(p0_, ale_unknown_ucast), 225 AM65_CPSW_STATS(p0_, ale_unknown_ucast_bytes), 226 AM65_CPSW_STATS(p0_, ale_unknown_mcast), 227 AM65_CPSW_STATS(p0_, ale_unknown_mcast_bytes), 228 AM65_CPSW_STATS(p0_, ale_unknown_bcast), 229 AM65_CPSW_STATS(p0_, ale_unknown_bcast_bytes), 230 AM65_CPSW_STATS(p0_, ale_pol_match), 231 AM65_CPSW_STATS(p0_, ale_pol_match_red), 232 AM65_CPSW_STATS(p0_, ale_pol_match_yellow), 233 AM65_CPSW_STATS(p0_, ale_mcast_sa_drop), 234 AM65_CPSW_STATS(p0_, ale_dual_vlan_drop), 235 AM65_CPSW_STATS(p0_, ale_len_err_drop), 236 AM65_CPSW_STATS(p0_, ale_ip_next_hdr_drop), 237 AM65_CPSW_STATS(p0_, ale_ipv4_frag_drop), 238 AM65_CPSW_STATS(p0_, tx_mem_protect_err), 239 AM65_CPSW_STATS(p0_, tx_pri0), 240 AM65_CPSW_STATS(p0_, tx_pri1), 241 AM65_CPSW_STATS(p0_, tx_pri2), 242 AM65_CPSW_STATS(p0_, tx_pri3), 243 AM65_CPSW_STATS(p0_, tx_pri4), 244 AM65_CPSW_STATS(p0_, tx_pri5), 245 AM65_CPSW_STATS(p0_, tx_pri6), 246 AM65_CPSW_STATS(p0_, tx_pri7), 247 AM65_CPSW_STATS(p0_, tx_pri0_bcnt), 248 AM65_CPSW_STATS(p0_, tx_pri1_bcnt), 249 AM65_CPSW_STATS(p0_, tx_pri2_bcnt), 250 AM65_CPSW_STATS(p0_, tx_pri3_bcnt), 251 AM65_CPSW_STATS(p0_, tx_pri4_bcnt), 252 AM65_CPSW_STATS(p0_, tx_pri5_bcnt), 253 AM65_CPSW_STATS(p0_, tx_pri6_bcnt), 254 AM65_CPSW_STATS(p0_, tx_pri7_bcnt), 255 AM65_CPSW_STATS(p0_, tx_pri0_drop), 256 AM65_CPSW_STATS(p0_, tx_pri1_drop), 257 AM65_CPSW_STATS(p0_, tx_pri2_drop), 258 AM65_CPSW_STATS(p0_, tx_pri3_drop), 259 AM65_CPSW_STATS(p0_, tx_pri4_drop), 260 AM65_CPSW_STATS(p0_, tx_pri5_drop), 261 AM65_CPSW_STATS(p0_, tx_pri6_drop), 262 AM65_CPSW_STATS(p0_, tx_pri7_drop), 263 AM65_CPSW_STATS(p0_, tx_pri0_drop_bcnt), 264 AM65_CPSW_STATS(p0_, tx_pri1_drop_bcnt), 265 AM65_CPSW_STATS(p0_, tx_pri2_drop_bcnt), 266 AM65_CPSW_STATS(p0_, tx_pri3_drop_bcnt), 267 AM65_CPSW_STATS(p0_, tx_pri4_drop_bcnt), 268 AM65_CPSW_STATS(p0_, tx_pri5_drop_bcnt), 269 AM65_CPSW_STATS(p0_, tx_pri6_drop_bcnt), 270 AM65_CPSW_STATS(p0_, tx_pri7_drop_bcnt), 271 }; 272 273 static const struct am65_cpsw_ethtool_stat am65_slave_stats[] = { 274 AM65_CPSW_STATS(, rx_good_frames), 275 AM65_CPSW_STATS(, rx_broadcast_frames), 276 AM65_CPSW_STATS(, rx_multicast_frames), 277 AM65_CPSW_STATS(, rx_pause_frames), 278 AM65_CPSW_STATS(, rx_crc_errors), 279 AM65_CPSW_STATS(, rx_align_code_errors), 280 AM65_CPSW_STATS(, rx_oversized_frames), 281 AM65_CPSW_STATS(, rx_jabber_frames), 282 AM65_CPSW_STATS(, rx_undersized_frames), 283 AM65_CPSW_STATS(, rx_fragments), 284 AM65_CPSW_STATS(, ale_drop), 285 AM65_CPSW_STATS(, ale_overrun_drop), 286 AM65_CPSW_STATS(, rx_octets), 287 AM65_CPSW_STATS(, tx_good_frames), 288 AM65_CPSW_STATS(, tx_broadcast_frames), 289 AM65_CPSW_STATS(, tx_multicast_frames), 290 AM65_CPSW_STATS(, tx_pause_frames), 291 AM65_CPSW_STATS(, tx_deferred_frames), 292 AM65_CPSW_STATS(, tx_collision_frames), 293 AM65_CPSW_STATS(, tx_single_coll_frames), 294 AM65_CPSW_STATS(, tx_mult_coll_frames), 295 AM65_CPSW_STATS(, tx_excessive_collisions), 296 AM65_CPSW_STATS(, tx_late_collisions), 297 AM65_CPSW_STATS(, rx_ipg_error), 298 AM65_CPSW_STATS(, tx_carrier_sense_errors), 299 AM65_CPSW_STATS(, tx_octets), 300 AM65_CPSW_STATS(, tx_64B_frames), 301 AM65_CPSW_STATS(, tx_65_to_127B_frames), 302 AM65_CPSW_STATS(, tx_128_to_255B_frames), 303 AM65_CPSW_STATS(, tx_256_to_511B_frames), 304 AM65_CPSW_STATS(, tx_512_to_1023B_frames), 305 AM65_CPSW_STATS(, tx_1024B_frames), 306 AM65_CPSW_STATS(, net_octets), 307 AM65_CPSW_STATS(, rx_bottom_fifo_drop), 308 AM65_CPSW_STATS(, rx_port_mask_drop), 309 AM65_CPSW_STATS(, rx_top_fifo_drop), 310 AM65_CPSW_STATS(, ale_rate_limit_drop), 311 AM65_CPSW_STATS(, ale_vid_ingress_drop), 312 AM65_CPSW_STATS(, ale_da_eq_sa_drop), 313 AM65_CPSW_STATS(, ale_block_drop), 314 AM65_CPSW_STATS(, ale_secure_drop), 315 AM65_CPSW_STATS(, ale_auth_drop), 316 AM65_CPSW_STATS(, ale_unknown_ucast), 317 AM65_CPSW_STATS(, ale_unknown_ucast_bytes), 318 AM65_CPSW_STATS(, ale_unknown_mcast), 319 AM65_CPSW_STATS(, ale_unknown_mcast_bytes), 320 AM65_CPSW_STATS(, ale_unknown_bcast), 321 AM65_CPSW_STATS(, ale_unknown_bcast_bytes), 322 AM65_CPSW_STATS(, ale_pol_match), 323 AM65_CPSW_STATS(, ale_pol_match_red), 324 AM65_CPSW_STATS(, ale_pol_match_yellow), 325 AM65_CPSW_STATS(, ale_mcast_sa_drop), 326 AM65_CPSW_STATS(, ale_dual_vlan_drop), 327 AM65_CPSW_STATS(, ale_len_err_drop), 328 AM65_CPSW_STATS(, ale_ip_next_hdr_drop), 329 AM65_CPSW_STATS(, ale_ipv4_frag_drop), 330 AM65_CPSW_STATS(, iet_rx_assembly_err), 331 AM65_CPSW_STATS(, iet_rx_assembly_ok), 332 AM65_CPSW_STATS(, iet_rx_smd_err), 333 AM65_CPSW_STATS(, iet_rx_frag), 334 AM65_CPSW_STATS(, iet_tx_hold), 335 AM65_CPSW_STATS(, iet_tx_frag), 336 AM65_CPSW_STATS(, tx_mem_protect_err), 337 AM65_CPSW_STATS(, tx_pri0), 338 AM65_CPSW_STATS(, tx_pri1), 339 AM65_CPSW_STATS(, tx_pri2), 340 AM65_CPSW_STATS(, tx_pri3), 341 AM65_CPSW_STATS(, tx_pri4), 342 AM65_CPSW_STATS(, tx_pri5), 343 AM65_CPSW_STATS(, tx_pri6), 344 AM65_CPSW_STATS(, tx_pri7), 345 AM65_CPSW_STATS(, tx_pri0_bcnt), 346 AM65_CPSW_STATS(, tx_pri1_bcnt), 347 AM65_CPSW_STATS(, tx_pri2_bcnt), 348 AM65_CPSW_STATS(, tx_pri3_bcnt), 349 AM65_CPSW_STATS(, tx_pri4_bcnt), 350 AM65_CPSW_STATS(, tx_pri5_bcnt), 351 AM65_CPSW_STATS(, tx_pri6_bcnt), 352 AM65_CPSW_STATS(, tx_pri7_bcnt), 353 AM65_CPSW_STATS(, tx_pri0_drop), 354 AM65_CPSW_STATS(, tx_pri1_drop), 355 AM65_CPSW_STATS(, tx_pri2_drop), 356 AM65_CPSW_STATS(, tx_pri3_drop), 357 AM65_CPSW_STATS(, tx_pri4_drop), 358 AM65_CPSW_STATS(, tx_pri5_drop), 359 AM65_CPSW_STATS(, tx_pri6_drop), 360 AM65_CPSW_STATS(, tx_pri7_drop), 361 AM65_CPSW_STATS(, tx_pri0_drop_bcnt), 362 AM65_CPSW_STATS(, tx_pri1_drop_bcnt), 363 AM65_CPSW_STATS(, tx_pri2_drop_bcnt), 364 AM65_CPSW_STATS(, tx_pri3_drop_bcnt), 365 AM65_CPSW_STATS(, tx_pri4_drop_bcnt), 366 AM65_CPSW_STATS(, tx_pri5_drop_bcnt), 367 AM65_CPSW_STATS(, tx_pri6_drop_bcnt), 368 AM65_CPSW_STATS(, tx_pri7_drop_bcnt), 369 }; 370 371 /* Ethtool priv_flags */ 372 static const char am65_cpsw_ethtool_priv_flags[][ETH_GSTRING_LEN] = { 373 #define AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN BIT(0) 374 "p0-rx-ptype-rrobin", 375 }; 376 377 static int am65_cpsw_ethtool_op_begin(struct net_device *ndev) 378 { 379 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 380 int ret; 381 382 ret = pm_runtime_get_sync(common->dev); 383 if (ret < 0) { 384 dev_err(common->dev, "ethtool begin failed %d\n", ret); 385 pm_runtime_put_noidle(common->dev); 386 } 387 388 return ret; 389 } 390 391 static void am65_cpsw_ethtool_op_complete(struct net_device *ndev) 392 { 393 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 394 int ret; 395 396 ret = pm_runtime_put(common->dev); 397 if (ret < 0 && ret != -EBUSY) 398 dev_err(common->dev, "ethtool complete failed %d\n", ret); 399 } 400 401 static void am65_cpsw_get_drvinfo(struct net_device *ndev, 402 struct ethtool_drvinfo *info) 403 { 404 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 405 406 strlcpy(info->driver, dev_driver_string(common->dev), 407 sizeof(info->driver)); 408 strlcpy(info->bus_info, dev_name(common->dev), sizeof(info->bus_info)); 409 } 410 411 static u32 am65_cpsw_get_msglevel(struct net_device *ndev) 412 { 413 struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev); 414 415 return priv->msg_enable; 416 } 417 418 static void am65_cpsw_set_msglevel(struct net_device *ndev, u32 value) 419 { 420 struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev); 421 422 priv->msg_enable = value; 423 } 424 425 static void am65_cpsw_get_channels(struct net_device *ndev, 426 struct ethtool_channels *ch) 427 { 428 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 429 430 ch->max_rx = AM65_CPSW_MAX_RX_QUEUES; 431 ch->max_tx = AM65_CPSW_MAX_TX_QUEUES; 432 ch->rx_count = AM65_CPSW_MAX_RX_QUEUES; 433 ch->tx_count = common->tx_ch_num; 434 } 435 436 static int am65_cpsw_set_channels(struct net_device *ndev, 437 struct ethtool_channels *chs) 438 { 439 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 440 441 if (!chs->rx_count || !chs->tx_count) 442 return -EINVAL; 443 444 /* Check if interface is up. Can change the num queues when 445 * the interface is down. 446 */ 447 if (netif_running(ndev)) 448 return -EBUSY; 449 450 am65_cpsw_nuss_remove_tx_chns(common); 451 452 return am65_cpsw_nuss_update_tx_chns(common, chs->tx_count); 453 } 454 455 static void am65_cpsw_get_ringparam(struct net_device *ndev, 456 struct ethtool_ringparam *ering) 457 { 458 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 459 460 /* not supported */ 461 ering->tx_pending = common->tx_chns[0].descs_num; 462 ering->rx_pending = common->rx_chns.descs_num; 463 } 464 465 static void am65_cpsw_get_pauseparam(struct net_device *ndev, 466 struct ethtool_pauseparam *pause) 467 { 468 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 469 470 pause->autoneg = AUTONEG_DISABLE; 471 pause->rx_pause = salve->rx_pause ? true : false; 472 pause->tx_pause = salve->tx_pause ? true : false; 473 } 474 475 static int am65_cpsw_set_pauseparam(struct net_device *ndev, 476 struct ethtool_pauseparam *pause) 477 { 478 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 479 480 if (!salve->phy) 481 return -EINVAL; 482 483 if (!phy_validate_pause(salve->phy, pause)) 484 return -EINVAL; 485 486 salve->rx_pause = pause->rx_pause ? true : false; 487 salve->tx_pause = pause->tx_pause ? true : false; 488 489 phy_set_asym_pause(salve->phy, salve->rx_pause, salve->tx_pause); 490 491 return 0; 492 } 493 494 static void am65_cpsw_get_wol(struct net_device *ndev, 495 struct ethtool_wolinfo *wol) 496 { 497 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 498 499 wol->supported = 0; 500 wol->wolopts = 0; 501 502 if (salve->phy) 503 phy_ethtool_get_wol(salve->phy, wol); 504 } 505 506 static int am65_cpsw_set_wol(struct net_device *ndev, 507 struct ethtool_wolinfo *wol) 508 { 509 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 510 511 if (!salve->phy) 512 return -EOPNOTSUPP; 513 514 return phy_ethtool_set_wol(salve->phy, wol); 515 } 516 517 static int am65_cpsw_get_link_ksettings(struct net_device *ndev, 518 struct ethtool_link_ksettings *ecmd) 519 { 520 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 521 522 if (!salve->phy) 523 return -EOPNOTSUPP; 524 525 phy_ethtool_ksettings_get(salve->phy, ecmd); 526 return 0; 527 } 528 529 static int 530 am65_cpsw_set_link_ksettings(struct net_device *ndev, 531 const struct ethtool_link_ksettings *ecmd) 532 { 533 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 534 535 if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy)) 536 return -EOPNOTSUPP; 537 538 return phy_ethtool_ksettings_set(salve->phy, ecmd); 539 } 540 541 static int am65_cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata) 542 { 543 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 544 545 if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy)) 546 return -EOPNOTSUPP; 547 548 return phy_ethtool_get_eee(salve->phy, edata); 549 } 550 551 static int am65_cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata) 552 { 553 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 554 555 if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy)) 556 return -EOPNOTSUPP; 557 558 return phy_ethtool_set_eee(salve->phy, edata); 559 } 560 561 static int am65_cpsw_nway_reset(struct net_device *ndev) 562 { 563 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); 564 565 if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy)) 566 return -EOPNOTSUPP; 567 568 return phy_restart_aneg(salve->phy); 569 } 570 571 static int am65_cpsw_get_regs_len(struct net_device *ndev) 572 { 573 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 574 u32 i, regdump_len = 0; 575 576 for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) { 577 if (am65_cpsw_regdump[i].hdr.module_id == 578 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) { 579 regdump_len += sizeof(struct am65_cpsw_regdump_hdr); 580 regdump_len += common->ale->params.ale_entries * 581 ALE_ENTRY_WORDS * sizeof(u32); 582 continue; 583 } 584 regdump_len += am65_cpsw_regdump[i].hdr.len; 585 } 586 587 return regdump_len; 588 } 589 590 static void am65_cpsw_get_regs(struct net_device *ndev, 591 struct ethtool_regs *regs, void *p) 592 { 593 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 594 u32 i, j, pos, *reg = p; 595 596 /* update CPSW IP version */ 597 regs->version = AM65_CPSW_REGDUMP_VER; 598 599 pos = 0; 600 for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) { 601 reg[pos++] = am65_cpsw_regdump[i].hdr.module_id; 602 603 if (am65_cpsw_regdump[i].hdr.module_id == 604 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) { 605 u32 ale_tbl_len = common->ale->params.ale_entries * 606 ALE_ENTRY_WORDS * sizeof(u32) + 607 sizeof(struct am65_cpsw_regdump_hdr); 608 reg[pos++] = ale_tbl_len; 609 cpsw_ale_dump(common->ale, ®[pos]); 610 pos += ale_tbl_len; 611 continue; 612 } 613 614 reg[pos++] = am65_cpsw_regdump[i].hdr.len; 615 616 j = am65_cpsw_regdump[i].start_ofs; 617 do { 618 reg[pos++] = j; 619 reg[pos++] = readl_relaxed(common->ss_base + j); 620 j += sizeof(u32); 621 } while (j <= am65_cpsw_regdump[i].end_ofs); 622 } 623 } 624 625 static int am65_cpsw_get_sset_count(struct net_device *ndev, int sset) 626 { 627 switch (sset) { 628 case ETH_SS_STATS: 629 return ARRAY_SIZE(am65_host_stats) + 630 ARRAY_SIZE(am65_slave_stats); 631 case ETH_SS_PRIV_FLAGS: 632 return ARRAY_SIZE(am65_cpsw_ethtool_priv_flags); 633 default: 634 return -EOPNOTSUPP; 635 } 636 } 637 638 static void am65_cpsw_get_strings(struct net_device *ndev, 639 u32 stringset, u8 *data) 640 { 641 const struct am65_cpsw_ethtool_stat *hw_stats; 642 u32 i, num_stats; 643 u8 *p = data; 644 645 switch (stringset) { 646 case ETH_SS_STATS: 647 num_stats = ARRAY_SIZE(am65_host_stats); 648 hw_stats = am65_host_stats; 649 for (i = 0; i < num_stats; i++) { 650 memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN); 651 p += ETH_GSTRING_LEN; 652 } 653 654 num_stats = ARRAY_SIZE(am65_slave_stats); 655 hw_stats = am65_slave_stats; 656 for (i = 0; i < num_stats; i++) { 657 memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN); 658 p += ETH_GSTRING_LEN; 659 } 660 break; 661 case ETH_SS_PRIV_FLAGS: 662 num_stats = ARRAY_SIZE(am65_cpsw_ethtool_priv_flags); 663 664 for (i = 0; i < num_stats; i++) { 665 memcpy(p, am65_cpsw_ethtool_priv_flags[i], 666 ETH_GSTRING_LEN); 667 p += ETH_GSTRING_LEN; 668 } 669 break; 670 } 671 } 672 673 static void am65_cpsw_get_ethtool_stats(struct net_device *ndev, 674 struct ethtool_stats *stats, u64 *data) 675 { 676 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 677 const struct am65_cpsw_ethtool_stat *hw_stats; 678 struct am65_cpsw_host *host_p; 679 struct am65_cpsw_port *port; 680 u32 i, num_stats; 681 682 host_p = am65_common_get_host(common); 683 port = am65_ndev_to_port(ndev); 684 num_stats = ARRAY_SIZE(am65_host_stats); 685 hw_stats = am65_host_stats; 686 for (i = 0; i < num_stats; i++) 687 *data++ = readl_relaxed(host_p->stat_base + 688 hw_stats[i].offset); 689 690 num_stats = ARRAY_SIZE(am65_slave_stats); 691 hw_stats = am65_slave_stats; 692 for (i = 0; i < num_stats; i++) 693 *data++ = readl_relaxed(port->stat_base + 694 hw_stats[i].offset); 695 } 696 697 static u32 am65_cpsw_get_ethtool_priv_flags(struct net_device *ndev) 698 { 699 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 700 u32 priv_flags = 0; 701 702 if (common->pf_p0_rx_ptype_rrobin) 703 priv_flags |= AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN; 704 705 return priv_flags; 706 } 707 708 static int am65_cpsw_set_ethtool_priv_flags(struct net_device *ndev, u32 flags) 709 { 710 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 711 712 common->pf_p0_rx_ptype_rrobin = 713 !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN); 714 am65_cpsw_nuss_set_p0_ptype(common); 715 716 return 0; 717 } 718 719 const struct ethtool_ops am65_cpsw_ethtool_ops_slave = { 720 .begin = am65_cpsw_ethtool_op_begin, 721 .complete = am65_cpsw_ethtool_op_complete, 722 .get_drvinfo = am65_cpsw_get_drvinfo, 723 .get_msglevel = am65_cpsw_get_msglevel, 724 .set_msglevel = am65_cpsw_set_msglevel, 725 .get_channels = am65_cpsw_get_channels, 726 .set_channels = am65_cpsw_set_channels, 727 .get_ringparam = am65_cpsw_get_ringparam, 728 .get_regs_len = am65_cpsw_get_regs_len, 729 .get_regs = am65_cpsw_get_regs, 730 .get_sset_count = am65_cpsw_get_sset_count, 731 .get_strings = am65_cpsw_get_strings, 732 .get_ethtool_stats = am65_cpsw_get_ethtool_stats, 733 .get_ts_info = ethtool_op_get_ts_info, 734 .get_priv_flags = am65_cpsw_get_ethtool_priv_flags, 735 .set_priv_flags = am65_cpsw_set_ethtool_priv_flags, 736 737 .get_link = ethtool_op_get_link, 738 .get_link_ksettings = am65_cpsw_get_link_ksettings, 739 .set_link_ksettings = am65_cpsw_set_link_ksettings, 740 .get_pauseparam = am65_cpsw_get_pauseparam, 741 .set_pauseparam = am65_cpsw_set_pauseparam, 742 .get_wol = am65_cpsw_get_wol, 743 .set_wol = am65_cpsw_set_wol, 744 .get_eee = am65_cpsw_get_eee, 745 .set_eee = am65_cpsw_set_eee, 746 .nway_reset = am65_cpsw_nway_reset, 747 }; 748