1 /* 2 * Copyright (c) 2012-2015 Solarflare Communications Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * The views and conclusions contained in the software and documentation are 27 * those of the authors and should not be interpreted as representing official 28 * policies, either expressed or implied, of the FreeBSD Project. 29 */ 30 31 #include "efx.h" 32 #include "efx_impl.h" 33 34 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD 35 36 static void 37 mcdi_phy_decode_cap( 38 __in uint32_t mcdi_cap, 39 __out uint32_t *maskp) 40 { 41 uint32_t mask; 42 43 mask = 0; 44 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN)) 45 mask |= (1 << EFX_PHY_CAP_10HDX); 46 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN)) 47 mask |= (1 << EFX_PHY_CAP_10FDX); 48 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN)) 49 mask |= (1 << EFX_PHY_CAP_100HDX); 50 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN)) 51 mask |= (1 << EFX_PHY_CAP_100FDX); 52 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN)) 53 mask |= (1 << EFX_PHY_CAP_1000HDX); 54 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN)) 55 mask |= (1 << EFX_PHY_CAP_1000FDX); 56 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN)) 57 mask |= (1 << EFX_PHY_CAP_10000FDX); 58 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN)) 59 mask |= (1 << EFX_PHY_CAP_40000FDX); 60 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN)) 61 mask |= (1 << EFX_PHY_CAP_PAUSE); 62 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN)) 63 mask |= (1 << EFX_PHY_CAP_ASYM); 64 if (mcdi_cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) 65 mask |= (1 << EFX_PHY_CAP_AN); 66 67 *maskp = mask; 68 } 69 70 static void 71 mcdi_phy_decode_link_mode( 72 __in efx_nic_t *enp, 73 __in uint32_t link_flags, 74 __in unsigned int speed, 75 __in unsigned int fcntl, 76 __out efx_link_mode_t *link_modep, 77 __out unsigned int *fcntlp) 78 { 79 boolean_t fd = !!(link_flags & 80 (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN)); 81 boolean_t up = !!(link_flags & 82 (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN)); 83 84 _NOTE(ARGUNUSED(enp)) 85 86 if (!up) 87 *link_modep = EFX_LINK_DOWN; 88 else if (speed == 40000 && fd) 89 *link_modep = EFX_LINK_40000FDX; 90 else if (speed == 10000 && fd) 91 *link_modep = EFX_LINK_10000FDX; 92 else if (speed == 1000) 93 *link_modep = fd ? EFX_LINK_1000FDX : EFX_LINK_1000HDX; 94 else if (speed == 100) 95 *link_modep = fd ? EFX_LINK_100FDX : EFX_LINK_100HDX; 96 else if (speed == 10) 97 *link_modep = fd ? EFX_LINK_10FDX : EFX_LINK_10HDX; 98 else 99 *link_modep = EFX_LINK_UNKNOWN; 100 101 if (fcntl == MC_CMD_FCNTL_OFF) 102 *fcntlp = 0; 103 else if (fcntl == MC_CMD_FCNTL_RESPOND) 104 *fcntlp = EFX_FCNTL_RESPOND; 105 else if (fcntl == MC_CMD_FCNTL_GENERATE) 106 *fcntlp = EFX_FCNTL_GENERATE; 107 else if (fcntl == MC_CMD_FCNTL_BIDIR) 108 *fcntlp = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 109 else { 110 EFSYS_PROBE1(mc_pcol_error, int, fcntl); 111 *fcntlp = 0; 112 } 113 } 114 115 116 void 117 ef10_phy_link_ev( 118 __in efx_nic_t *enp, 119 __in efx_qword_t *eqp, 120 __out efx_link_mode_t *link_modep) 121 { 122 efx_port_t *epp = &(enp->en_port); 123 unsigned int link_flags; 124 unsigned int speed; 125 unsigned int fcntl; 126 efx_link_mode_t link_mode; 127 uint32_t lp_cap_mask; 128 129 /* 130 * Convert the LINKCHANGE speed enumeration into mbit/s, in the 131 * same way as GET_LINK encodes the speed 132 */ 133 switch (MCDI_EV_FIELD(eqp, LINKCHANGE_SPEED)) { 134 case MCDI_EVENT_LINKCHANGE_SPEED_100M: 135 speed = 100; 136 break; 137 case MCDI_EVENT_LINKCHANGE_SPEED_1G: 138 speed = 1000; 139 break; 140 case MCDI_EVENT_LINKCHANGE_SPEED_10G: 141 speed = 10000; 142 break; 143 case MCDI_EVENT_LINKCHANGE_SPEED_40G: 144 speed = 40000; 145 break; 146 default: 147 speed = 0; 148 break; 149 } 150 151 link_flags = MCDI_EV_FIELD(eqp, LINKCHANGE_LINK_FLAGS); 152 mcdi_phy_decode_link_mode(enp, link_flags, speed, 153 MCDI_EV_FIELD(eqp, LINKCHANGE_FCNTL), 154 &link_mode, &fcntl); 155 mcdi_phy_decode_cap(MCDI_EV_FIELD(eqp, LINKCHANGE_LP_CAP), 156 &lp_cap_mask); 157 158 /* 159 * It's safe to update ep_lp_cap_mask without the driver's port lock 160 * because presumably any concurrently running efx_port_poll() is 161 * only going to arrive at the same value. 162 * 163 * ep_fcntl has two meanings. It's either the link common fcntl 164 * (if the PHY supports AN), or it's the forced link state. If 165 * the former, it's safe to update the value for the same reason as 166 * for ep_lp_cap_mask. If the latter, then just ignore the value, 167 * because we can race with efx_mac_fcntl_set(). 168 */ 169 epp->ep_lp_cap_mask = lp_cap_mask; 170 epp->ep_fcntl = fcntl; 171 172 *link_modep = link_mode; 173 } 174 175 __checkReturn efx_rc_t 176 ef10_phy_power( 177 __in efx_nic_t *enp, 178 __in boolean_t power) 179 { 180 efx_rc_t rc; 181 182 if (!power) 183 return (0); 184 185 /* Check if the PHY is a zombie */ 186 if ((rc = ef10_phy_verify(enp)) != 0) 187 goto fail1; 188 189 enp->en_reset_flags |= EFX_RESET_PHY; 190 191 return (0); 192 193 fail1: 194 EFSYS_PROBE1(fail1, efx_rc_t, rc); 195 196 return (rc); 197 } 198 199 __checkReturn efx_rc_t 200 ef10_phy_get_link( 201 __in efx_nic_t *enp, 202 __out ef10_link_state_t *elsp) 203 { 204 efx_mcdi_req_t req; 205 uint8_t payload[MAX(MC_CMD_GET_LINK_IN_LEN, 206 MC_CMD_GET_LINK_OUT_LEN)]; 207 efx_rc_t rc; 208 209 (void) memset(payload, 0, sizeof (payload)); 210 req.emr_cmd = MC_CMD_GET_LINK; 211 req.emr_in_buf = payload; 212 req.emr_in_length = MC_CMD_GET_LINK_IN_LEN; 213 req.emr_out_buf = payload; 214 req.emr_out_length = MC_CMD_GET_LINK_OUT_LEN; 215 216 efx_mcdi_execute(enp, &req); 217 218 if (req.emr_rc != 0) { 219 rc = req.emr_rc; 220 goto fail1; 221 } 222 223 if (req.emr_out_length_used < MC_CMD_GET_LINK_OUT_LEN) { 224 rc = EMSGSIZE; 225 goto fail2; 226 } 227 228 mcdi_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_CAP), 229 &elsp->els_adv_cap_mask); 230 mcdi_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_LP_CAP), 231 &elsp->els_lp_cap_mask); 232 233 mcdi_phy_decode_link_mode(enp, MCDI_OUT_DWORD(req, GET_LINK_OUT_FLAGS), 234 MCDI_OUT_DWORD(req, GET_LINK_OUT_LINK_SPEED), 235 MCDI_OUT_DWORD(req, GET_LINK_OUT_FCNTL), 236 &elsp->els_link_mode, &elsp->els_fcntl); 237 238 #if EFSYS_OPT_LOOPBACK 239 /* Assert the MC_CMD_LOOPBACK and EFX_LOOPBACK namespace agree */ 240 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_NONE == EFX_LOOPBACK_OFF); 241 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_DATA == EFX_LOOPBACK_DATA); 242 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMAC == EFX_LOOPBACK_GMAC); 243 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGMII == EFX_LOOPBACK_XGMII); 244 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGXS == EFX_LOOPBACK_XGXS); 245 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XAUI == EFX_LOOPBACK_XAUI); 246 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMII == EFX_LOOPBACK_GMII); 247 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_SGMII == EFX_LOOPBACK_SGMII); 248 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGBR == EFX_LOOPBACK_XGBR); 249 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XFI == EFX_LOOPBACK_XFI); 250 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XAUI_FAR == EFX_LOOPBACK_XAUI_FAR); 251 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMII_FAR == EFX_LOOPBACK_GMII_FAR); 252 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_SGMII_FAR == EFX_LOOPBACK_SGMII_FAR); 253 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XFI_FAR == EFX_LOOPBACK_XFI_FAR); 254 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GPHY == EFX_LOOPBACK_GPHY); 255 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PHYXS == EFX_LOOPBACK_PHY_XS); 256 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PCS == EFX_LOOPBACK_PCS); 257 EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PMAPMD == EFX_LOOPBACK_PMA_PMD); 258 259 elsp->els_loopback = MCDI_OUT_DWORD(req, GET_LINK_OUT_LOOPBACK_MODE); 260 #endif /* EFSYS_OPT_LOOPBACK */ 261 262 elsp->els_mac_up = MCDI_OUT_DWORD(req, GET_LINK_OUT_MAC_FAULT) == 0; 263 264 return (0); 265 266 fail2: 267 EFSYS_PROBE(fail2); 268 fail1: 269 EFSYS_PROBE1(fail1, efx_rc_t, rc); 270 271 return (rc); 272 } 273 274 __checkReturn efx_rc_t 275 ef10_phy_reconfigure( 276 __in efx_nic_t *enp) 277 { 278 efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 279 efx_port_t *epp = &(enp->en_port); 280 efx_mcdi_req_t req; 281 uint8_t payload[MAX(MC_CMD_SET_LINK_IN_LEN, 282 MC_CMD_SET_LINK_OUT_LEN)]; 283 uint32_t cap_mask; 284 unsigned int led_mode; 285 unsigned int speed; 286 efx_rc_t rc; 287 288 if (~encp->enc_func_flags & EFX_NIC_FUNC_LINKCTRL) 289 goto out; 290 291 (void) memset(payload, 0, sizeof (payload)); 292 req.emr_cmd = MC_CMD_SET_LINK; 293 req.emr_in_buf = payload; 294 req.emr_in_length = MC_CMD_SET_LINK_IN_LEN; 295 req.emr_out_buf = payload; 296 req.emr_out_length = MC_CMD_SET_LINK_OUT_LEN; 297 298 cap_mask = epp->ep_adv_cap_mask; 299 MCDI_IN_POPULATE_DWORD_10(req, SET_LINK_IN_CAP, 300 PHY_CAP_10HDX, (cap_mask >> EFX_PHY_CAP_10HDX) & 0x1, 301 PHY_CAP_10FDX, (cap_mask >> EFX_PHY_CAP_10FDX) & 0x1, 302 PHY_CAP_100HDX, (cap_mask >> EFX_PHY_CAP_100HDX) & 0x1, 303 PHY_CAP_100FDX, (cap_mask >> EFX_PHY_CAP_100FDX) & 0x1, 304 PHY_CAP_1000HDX, (cap_mask >> EFX_PHY_CAP_1000HDX) & 0x1, 305 PHY_CAP_1000FDX, (cap_mask >> EFX_PHY_CAP_1000FDX) & 0x1, 306 PHY_CAP_10000FDX, (cap_mask >> EFX_PHY_CAP_10000FDX) & 0x1, 307 PHY_CAP_PAUSE, (cap_mask >> EFX_PHY_CAP_PAUSE) & 0x1, 308 PHY_CAP_ASYM, (cap_mask >> EFX_PHY_CAP_ASYM) & 0x1, 309 PHY_CAP_AN, (cap_mask >> EFX_PHY_CAP_AN) & 0x1); 310 /* Too many fields for for POPULATE macros, so insert this afterwards */ 311 MCDI_IN_SET_DWORD_FIELD(req, SET_LINK_IN_CAP, 312 PHY_CAP_40000FDX, (cap_mask >> EFX_PHY_CAP_40000FDX) & 0x1); 313 314 #if EFSYS_OPT_LOOPBACK 315 MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE, 316 epp->ep_loopback_type); 317 switch (epp->ep_loopback_link_mode) { 318 case EFX_LINK_100FDX: 319 speed = 100; 320 break; 321 case EFX_LINK_1000FDX: 322 speed = 1000; 323 break; 324 case EFX_LINK_10000FDX: 325 speed = 10000; 326 break; 327 case EFX_LINK_40000FDX: 328 speed = 40000; 329 break; 330 default: 331 speed = 0; 332 } 333 #else 334 MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE, MC_CMD_LOOPBACK_NONE); 335 speed = 0; 336 #endif /* EFSYS_OPT_LOOPBACK */ 337 MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_SPEED, speed); 338 339 #if EFSYS_OPT_PHY_FLAGS 340 MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, epp->ep_phy_flags); 341 #else 342 MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, 0); 343 #endif /* EFSYS_OPT_PHY_FLAGS */ 344 345 efx_mcdi_execute(enp, &req); 346 347 if (req.emr_rc != 0) { 348 rc = req.emr_rc; 349 goto fail1; 350 } 351 352 /* And set the blink mode */ 353 (void) memset(payload, 0, sizeof (payload)); 354 req.emr_cmd = MC_CMD_SET_ID_LED; 355 req.emr_in_buf = payload; 356 req.emr_in_length = MC_CMD_SET_ID_LED_IN_LEN; 357 req.emr_out_buf = payload; 358 req.emr_out_length = MC_CMD_SET_ID_LED_OUT_LEN; 359 360 #if EFSYS_OPT_PHY_LED_CONTROL 361 switch (epp->ep_phy_led_mode) { 362 case EFX_PHY_LED_DEFAULT: 363 led_mode = MC_CMD_LED_DEFAULT; 364 break; 365 case EFX_PHY_LED_OFF: 366 led_mode = MC_CMD_LED_OFF; 367 break; 368 case EFX_PHY_LED_ON: 369 led_mode = MC_CMD_LED_ON; 370 break; 371 default: 372 EFSYS_ASSERT(0); 373 led_mode = MC_CMD_LED_DEFAULT; 374 } 375 376 MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, led_mode); 377 #else 378 MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, MC_CMD_LED_DEFAULT); 379 #endif /* EFSYS_OPT_PHY_LED_CONTROL */ 380 381 efx_mcdi_execute(enp, &req); 382 383 if (req.emr_rc != 0) { 384 rc = req.emr_rc; 385 goto fail2; 386 } 387 out: 388 return (0); 389 390 fail2: 391 EFSYS_PROBE(fail2); 392 fail1: 393 EFSYS_PROBE1(fail1, efx_rc_t, rc); 394 395 return (rc); 396 } 397 398 __checkReturn efx_rc_t 399 ef10_phy_verify( 400 __in efx_nic_t *enp) 401 { 402 efx_mcdi_req_t req; 403 uint8_t payload[MAX(MC_CMD_GET_PHY_STATE_IN_LEN, 404 MC_CMD_GET_PHY_STATE_OUT_LEN)]; 405 uint32_t state; 406 efx_rc_t rc; 407 408 (void) memset(payload, 0, sizeof (payload)); 409 req.emr_cmd = MC_CMD_GET_PHY_STATE; 410 req.emr_in_buf = payload; 411 req.emr_in_length = MC_CMD_GET_PHY_STATE_IN_LEN; 412 req.emr_out_buf = payload; 413 req.emr_out_length = MC_CMD_GET_PHY_STATE_OUT_LEN; 414 415 efx_mcdi_execute(enp, &req); 416 417 if (req.emr_rc != 0) { 418 rc = req.emr_rc; 419 goto fail1; 420 } 421 422 if (req.emr_out_length_used < MC_CMD_GET_PHY_STATE_OUT_LEN) { 423 rc = EMSGSIZE; 424 goto fail2; 425 } 426 427 state = MCDI_OUT_DWORD(req, GET_PHY_STATE_OUT_STATE); 428 if (state != MC_CMD_PHY_STATE_OK) { 429 if (state != MC_CMD_PHY_STATE_ZOMBIE) 430 EFSYS_PROBE1(mc_pcol_error, int, state); 431 rc = ENOTACTIVE; 432 goto fail3; 433 } 434 435 return (0); 436 437 fail3: 438 EFSYS_PROBE(fail3); 439 fail2: 440 EFSYS_PROBE(fail2); 441 fail1: 442 EFSYS_PROBE1(fail1, efx_rc_t, rc); 443 444 return (rc); 445 } 446 447 __checkReturn efx_rc_t 448 ef10_phy_oui_get( 449 __in efx_nic_t *enp, 450 __out uint32_t *ouip) 451 { 452 _NOTE(ARGUNUSED(enp, ouip)) 453 454 return (ENOTSUP); 455 } 456 457 #if EFSYS_OPT_PHY_STATS 458 459 __checkReturn efx_rc_t 460 ef10_phy_stats_update( 461 __in efx_nic_t *enp, 462 __in efsys_mem_t *esmp, 463 __inout_ecount(EFX_PHY_NSTATS) uint32_t *stat) 464 { 465 /* TBD: no stats support in firmware yet */ 466 _NOTE(ARGUNUSED(enp, esmp)) 467 (void) memset(stat, 0, EFX_PHY_NSTATS * sizeof (*stat)); 468 469 return (0); 470 } 471 472 #endif /* EFSYS_OPT_PHY_STATS */ 473 474 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ 475