1 // SPDX-License-Identifier: (GPL-2.0 OR MIT) 2 /* Copyright 2017 Microsemi Corporation 3 * Copyright 2018-2019 NXP 4 */ 5 #include <linux/fsl/enetc_mdio.h> 6 #include <soc/mscc/ocelot_qsys.h> 7 #include <soc/mscc/ocelot_vcap.h> 8 #include <soc/mscc/ocelot_ana.h> 9 #include <soc/mscc/ocelot_ptp.h> 10 #include <soc/mscc/ocelot_sys.h> 11 #include <net/tc_act/tc_gate.h> 12 #include <soc/mscc/ocelot.h> 13 #include <linux/dsa/ocelot.h> 14 #include <linux/pcs-lynx.h> 15 #include <net/pkt_sched.h> 16 #include <linux/iopoll.h> 17 #include <linux/mdio.h> 18 #include <linux/pci.h> 19 #include "felix.h" 20 21 #define VSC9959_NUM_PORTS 6 22 23 #define VSC9959_TAS_GCL_ENTRY_MAX 63 24 #define VSC9959_VCAP_POLICER_BASE 63 25 #define VSC9959_VCAP_POLICER_MAX 383 26 #define VSC9959_SWITCH_PCI_BAR 4 27 #define VSC9959_IMDIO_PCI_BAR 0 28 29 #define VSC9959_PORT_MODE_SERDES (OCELOT_PORT_MODE_SGMII | \ 30 OCELOT_PORT_MODE_QSGMII | \ 31 OCELOT_PORT_MODE_1000BASEX | \ 32 OCELOT_PORT_MODE_2500BASEX | \ 33 OCELOT_PORT_MODE_USXGMII) 34 35 static const u32 vsc9959_port_modes[VSC9959_NUM_PORTS] = { 36 VSC9959_PORT_MODE_SERDES, 37 VSC9959_PORT_MODE_SERDES, 38 VSC9959_PORT_MODE_SERDES, 39 VSC9959_PORT_MODE_SERDES, 40 OCELOT_PORT_MODE_INTERNAL, 41 OCELOT_PORT_MODE_INTERNAL, 42 }; 43 44 static const u32 vsc9959_ana_regmap[] = { 45 REG(ANA_ADVLEARN, 0x0089a0), 46 REG(ANA_VLANMASK, 0x0089a4), 47 REG_RESERVED(ANA_PORT_B_DOMAIN), 48 REG(ANA_ANAGEFIL, 0x0089ac), 49 REG(ANA_ANEVENTS, 0x0089b0), 50 REG(ANA_STORMLIMIT_BURST, 0x0089b4), 51 REG(ANA_STORMLIMIT_CFG, 0x0089b8), 52 REG(ANA_ISOLATED_PORTS, 0x0089c8), 53 REG(ANA_COMMUNITY_PORTS, 0x0089cc), 54 REG(ANA_AUTOAGE, 0x0089d0), 55 REG(ANA_MACTOPTIONS, 0x0089d4), 56 REG(ANA_LEARNDISC, 0x0089d8), 57 REG(ANA_AGENCTRL, 0x0089dc), 58 REG(ANA_MIRRORPORTS, 0x0089e0), 59 REG(ANA_EMIRRORPORTS, 0x0089e4), 60 REG(ANA_FLOODING, 0x0089e8), 61 REG(ANA_FLOODING_IPMC, 0x008a08), 62 REG(ANA_SFLOW_CFG, 0x008a0c), 63 REG(ANA_PORT_MODE, 0x008a28), 64 REG(ANA_CUT_THRU_CFG, 0x008a48), 65 REG(ANA_PGID_PGID, 0x008400), 66 REG(ANA_TABLES_ANMOVED, 0x007f1c), 67 REG(ANA_TABLES_MACHDATA, 0x007f20), 68 REG(ANA_TABLES_MACLDATA, 0x007f24), 69 REG(ANA_TABLES_STREAMDATA, 0x007f28), 70 REG(ANA_TABLES_MACACCESS, 0x007f2c), 71 REG(ANA_TABLES_MACTINDX, 0x007f30), 72 REG(ANA_TABLES_VLANACCESS, 0x007f34), 73 REG(ANA_TABLES_VLANTIDX, 0x007f38), 74 REG(ANA_TABLES_ISDXACCESS, 0x007f3c), 75 REG(ANA_TABLES_ISDXTIDX, 0x007f40), 76 REG(ANA_TABLES_ENTRYLIM, 0x007f00), 77 REG(ANA_TABLES_PTP_ID_HIGH, 0x007f44), 78 REG(ANA_TABLES_PTP_ID_LOW, 0x007f48), 79 REG(ANA_TABLES_STREAMACCESS, 0x007f4c), 80 REG(ANA_TABLES_STREAMTIDX, 0x007f50), 81 REG(ANA_TABLES_SEQ_HISTORY, 0x007f54), 82 REG(ANA_TABLES_SEQ_MASK, 0x007f58), 83 REG(ANA_TABLES_SFID_MASK, 0x007f5c), 84 REG(ANA_TABLES_SFIDACCESS, 0x007f60), 85 REG(ANA_TABLES_SFIDTIDX, 0x007f64), 86 REG(ANA_MSTI_STATE, 0x008600), 87 REG(ANA_OAM_UPM_LM_CNT, 0x008000), 88 REG(ANA_SG_ACCESS_CTRL, 0x008a64), 89 REG(ANA_SG_CONFIG_REG_1, 0x007fb0), 90 REG(ANA_SG_CONFIG_REG_2, 0x007fb4), 91 REG(ANA_SG_CONFIG_REG_3, 0x007fb8), 92 REG(ANA_SG_CONFIG_REG_4, 0x007fbc), 93 REG(ANA_SG_CONFIG_REG_5, 0x007fc0), 94 REG(ANA_SG_GCL_GS_CONFIG, 0x007f80), 95 REG(ANA_SG_GCL_TI_CONFIG, 0x007f90), 96 REG(ANA_SG_STATUS_REG_1, 0x008980), 97 REG(ANA_SG_STATUS_REG_2, 0x008984), 98 REG(ANA_SG_STATUS_REG_3, 0x008988), 99 REG(ANA_PORT_VLAN_CFG, 0x007800), 100 REG(ANA_PORT_DROP_CFG, 0x007804), 101 REG(ANA_PORT_QOS_CFG, 0x007808), 102 REG(ANA_PORT_VCAP_CFG, 0x00780c), 103 REG(ANA_PORT_VCAP_S1_KEY_CFG, 0x007810), 104 REG(ANA_PORT_VCAP_S2_CFG, 0x00781c), 105 REG(ANA_PORT_PCP_DEI_MAP, 0x007820), 106 REG(ANA_PORT_CPU_FWD_CFG, 0x007860), 107 REG(ANA_PORT_CPU_FWD_BPDU_CFG, 0x007864), 108 REG(ANA_PORT_CPU_FWD_GARP_CFG, 0x007868), 109 REG(ANA_PORT_CPU_FWD_CCM_CFG, 0x00786c), 110 REG(ANA_PORT_PORT_CFG, 0x007870), 111 REG(ANA_PORT_POL_CFG, 0x007874), 112 REG(ANA_PORT_PTP_CFG, 0x007878), 113 REG(ANA_PORT_PTP_DLY1_CFG, 0x00787c), 114 REG(ANA_PORT_PTP_DLY2_CFG, 0x007880), 115 REG(ANA_PORT_SFID_CFG, 0x007884), 116 REG(ANA_PFC_PFC_CFG, 0x008800), 117 REG_RESERVED(ANA_PFC_PFC_TIMER), 118 REG_RESERVED(ANA_IPT_OAM_MEP_CFG), 119 REG_RESERVED(ANA_IPT_IPT), 120 REG_RESERVED(ANA_PPT_PPT), 121 REG_RESERVED(ANA_FID_MAP_FID_MAP), 122 REG(ANA_AGGR_CFG, 0x008a68), 123 REG(ANA_CPUQ_CFG, 0x008a6c), 124 REG_RESERVED(ANA_CPUQ_CFG2), 125 REG(ANA_CPUQ_8021_CFG, 0x008a74), 126 REG(ANA_DSCP_CFG, 0x008ab4), 127 REG(ANA_DSCP_REWR_CFG, 0x008bb4), 128 REG(ANA_VCAP_RNG_TYPE_CFG, 0x008bf4), 129 REG(ANA_VCAP_RNG_VAL_CFG, 0x008c14), 130 REG_RESERVED(ANA_VRAP_CFG), 131 REG_RESERVED(ANA_VRAP_HDR_DATA), 132 REG_RESERVED(ANA_VRAP_HDR_MASK), 133 REG(ANA_DISCARD_CFG, 0x008c40), 134 REG(ANA_FID_CFG, 0x008c44), 135 REG(ANA_POL_PIR_CFG, 0x004000), 136 REG(ANA_POL_CIR_CFG, 0x004004), 137 REG(ANA_POL_MODE_CFG, 0x004008), 138 REG(ANA_POL_PIR_STATE, 0x00400c), 139 REG(ANA_POL_CIR_STATE, 0x004010), 140 REG_RESERVED(ANA_POL_STATE), 141 REG(ANA_POL_FLOWC, 0x008c48), 142 REG(ANA_POL_HYST, 0x008cb4), 143 REG_RESERVED(ANA_POL_MISC_CFG), 144 }; 145 146 static const u32 vsc9959_qs_regmap[] = { 147 REG(QS_XTR_GRP_CFG, 0x000000), 148 REG(QS_XTR_RD, 0x000008), 149 REG(QS_XTR_FRM_PRUNING, 0x000010), 150 REG(QS_XTR_FLUSH, 0x000018), 151 REG(QS_XTR_DATA_PRESENT, 0x00001c), 152 REG(QS_XTR_CFG, 0x000020), 153 REG(QS_INJ_GRP_CFG, 0x000024), 154 REG(QS_INJ_WR, 0x00002c), 155 REG(QS_INJ_CTRL, 0x000034), 156 REG(QS_INJ_STATUS, 0x00003c), 157 REG(QS_INJ_ERR, 0x000040), 158 REG_RESERVED(QS_INH_DBG), 159 }; 160 161 static const u32 vsc9959_vcap_regmap[] = { 162 /* VCAP_CORE_CFG */ 163 REG(VCAP_CORE_UPDATE_CTRL, 0x000000), 164 REG(VCAP_CORE_MV_CFG, 0x000004), 165 /* VCAP_CORE_CACHE */ 166 REG(VCAP_CACHE_ENTRY_DAT, 0x000008), 167 REG(VCAP_CACHE_MASK_DAT, 0x000108), 168 REG(VCAP_CACHE_ACTION_DAT, 0x000208), 169 REG(VCAP_CACHE_CNT_DAT, 0x000308), 170 REG(VCAP_CACHE_TG_DAT, 0x000388), 171 /* VCAP_CONST */ 172 REG(VCAP_CONST_VCAP_VER, 0x000398), 173 REG(VCAP_CONST_ENTRY_WIDTH, 0x00039c), 174 REG(VCAP_CONST_ENTRY_CNT, 0x0003a0), 175 REG(VCAP_CONST_ENTRY_SWCNT, 0x0003a4), 176 REG(VCAP_CONST_ENTRY_TG_WIDTH, 0x0003a8), 177 REG(VCAP_CONST_ACTION_DEF_CNT, 0x0003ac), 178 REG(VCAP_CONST_ACTION_WIDTH, 0x0003b0), 179 REG(VCAP_CONST_CNT_WIDTH, 0x0003b4), 180 REG(VCAP_CONST_CORE_CNT, 0x0003b8), 181 REG(VCAP_CONST_IF_CNT, 0x0003bc), 182 }; 183 184 static const u32 vsc9959_qsys_regmap[] = { 185 REG(QSYS_PORT_MODE, 0x00f460), 186 REG(QSYS_SWITCH_PORT_MODE, 0x00f480), 187 REG(QSYS_STAT_CNT_CFG, 0x00f49c), 188 REG(QSYS_EEE_CFG, 0x00f4a0), 189 REG(QSYS_EEE_THRES, 0x00f4b8), 190 REG(QSYS_IGR_NO_SHARING, 0x00f4bc), 191 REG(QSYS_EGR_NO_SHARING, 0x00f4c0), 192 REG(QSYS_SW_STATUS, 0x00f4c4), 193 REG(QSYS_EXT_CPU_CFG, 0x00f4e0), 194 REG_RESERVED(QSYS_PAD_CFG), 195 REG(QSYS_CPU_GROUP_MAP, 0x00f4e8), 196 REG_RESERVED(QSYS_QMAP), 197 REG_RESERVED(QSYS_ISDX_SGRP), 198 REG_RESERVED(QSYS_TIMED_FRAME_ENTRY), 199 REG(QSYS_TFRM_MISC, 0x00f50c), 200 REG(QSYS_TFRM_PORT_DLY, 0x00f510), 201 REG(QSYS_TFRM_TIMER_CFG_1, 0x00f514), 202 REG(QSYS_TFRM_TIMER_CFG_2, 0x00f518), 203 REG(QSYS_TFRM_TIMER_CFG_3, 0x00f51c), 204 REG(QSYS_TFRM_TIMER_CFG_4, 0x00f520), 205 REG(QSYS_TFRM_TIMER_CFG_5, 0x00f524), 206 REG(QSYS_TFRM_TIMER_CFG_6, 0x00f528), 207 REG(QSYS_TFRM_TIMER_CFG_7, 0x00f52c), 208 REG(QSYS_TFRM_TIMER_CFG_8, 0x00f530), 209 REG(QSYS_RED_PROFILE, 0x00f534), 210 REG(QSYS_RES_QOS_MODE, 0x00f574), 211 REG(QSYS_RES_CFG, 0x00c000), 212 REG(QSYS_RES_STAT, 0x00c004), 213 REG(QSYS_EGR_DROP_MODE, 0x00f578), 214 REG(QSYS_EQ_CTRL, 0x00f57c), 215 REG_RESERVED(QSYS_EVENTS_CORE), 216 REG(QSYS_QMAXSDU_CFG_0, 0x00f584), 217 REG(QSYS_QMAXSDU_CFG_1, 0x00f5a0), 218 REG(QSYS_QMAXSDU_CFG_2, 0x00f5bc), 219 REG(QSYS_QMAXSDU_CFG_3, 0x00f5d8), 220 REG(QSYS_QMAXSDU_CFG_4, 0x00f5f4), 221 REG(QSYS_QMAXSDU_CFG_5, 0x00f610), 222 REG(QSYS_QMAXSDU_CFG_6, 0x00f62c), 223 REG(QSYS_QMAXSDU_CFG_7, 0x00f648), 224 REG(QSYS_PREEMPTION_CFG, 0x00f664), 225 REG(QSYS_CIR_CFG, 0x000000), 226 REG(QSYS_EIR_CFG, 0x000004), 227 REG(QSYS_SE_CFG, 0x000008), 228 REG(QSYS_SE_DWRR_CFG, 0x00000c), 229 REG_RESERVED(QSYS_SE_CONNECT), 230 REG(QSYS_SE_DLB_SENSE, 0x000040), 231 REG(QSYS_CIR_STATE, 0x000044), 232 REG(QSYS_EIR_STATE, 0x000048), 233 REG_RESERVED(QSYS_SE_STATE), 234 REG(QSYS_HSCH_MISC_CFG, 0x00f67c), 235 REG(QSYS_TAG_CONFIG, 0x00f680), 236 REG(QSYS_TAS_PARAM_CFG_CTRL, 0x00f698), 237 REG(QSYS_PORT_MAX_SDU, 0x00f69c), 238 REG(QSYS_PARAM_CFG_REG_1, 0x00f440), 239 REG(QSYS_PARAM_CFG_REG_2, 0x00f444), 240 REG(QSYS_PARAM_CFG_REG_3, 0x00f448), 241 REG(QSYS_PARAM_CFG_REG_4, 0x00f44c), 242 REG(QSYS_PARAM_CFG_REG_5, 0x00f450), 243 REG(QSYS_GCL_CFG_REG_1, 0x00f454), 244 REG(QSYS_GCL_CFG_REG_2, 0x00f458), 245 REG(QSYS_PARAM_STATUS_REG_1, 0x00f400), 246 REG(QSYS_PARAM_STATUS_REG_2, 0x00f404), 247 REG(QSYS_PARAM_STATUS_REG_3, 0x00f408), 248 REG(QSYS_PARAM_STATUS_REG_4, 0x00f40c), 249 REG(QSYS_PARAM_STATUS_REG_5, 0x00f410), 250 REG(QSYS_PARAM_STATUS_REG_6, 0x00f414), 251 REG(QSYS_PARAM_STATUS_REG_7, 0x00f418), 252 REG(QSYS_PARAM_STATUS_REG_8, 0x00f41c), 253 REG(QSYS_PARAM_STATUS_REG_9, 0x00f420), 254 REG(QSYS_GCL_STATUS_REG_1, 0x00f424), 255 REG(QSYS_GCL_STATUS_REG_2, 0x00f428), 256 }; 257 258 static const u32 vsc9959_rew_regmap[] = { 259 REG(REW_PORT_VLAN_CFG, 0x000000), 260 REG(REW_TAG_CFG, 0x000004), 261 REG(REW_PORT_CFG, 0x000008), 262 REG(REW_DSCP_CFG, 0x00000c), 263 REG(REW_PCP_DEI_QOS_MAP_CFG, 0x000010), 264 REG(REW_PTP_CFG, 0x000050), 265 REG(REW_PTP_DLY1_CFG, 0x000054), 266 REG(REW_RED_TAG_CFG, 0x000058), 267 REG(REW_DSCP_REMAP_DP1_CFG, 0x000410), 268 REG(REW_DSCP_REMAP_CFG, 0x000510), 269 REG_RESERVED(REW_STAT_CFG), 270 REG_RESERVED(REW_REW_STICKY), 271 REG_RESERVED(REW_PPT), 272 }; 273 274 static const u32 vsc9959_sys_regmap[] = { 275 REG(SYS_COUNT_RX_OCTETS, 0x000000), 276 REG(SYS_COUNT_RX_MULTICAST, 0x000008), 277 REG(SYS_COUNT_RX_SHORTS, 0x000010), 278 REG(SYS_COUNT_RX_FRAGMENTS, 0x000014), 279 REG(SYS_COUNT_RX_JABBERS, 0x000018), 280 REG(SYS_COUNT_RX_64, 0x000024), 281 REG(SYS_COUNT_RX_65_127, 0x000028), 282 REG(SYS_COUNT_RX_128_255, 0x00002c), 283 REG(SYS_COUNT_RX_256_1023, 0x000030), 284 REG(SYS_COUNT_RX_1024_1526, 0x000034), 285 REG(SYS_COUNT_RX_1527_MAX, 0x000038), 286 REG(SYS_COUNT_RX_LONGS, 0x000044), 287 REG(SYS_COUNT_TX_OCTETS, 0x000200), 288 REG(SYS_COUNT_TX_COLLISION, 0x000210), 289 REG(SYS_COUNT_TX_DROPS, 0x000214), 290 REG(SYS_COUNT_TX_64, 0x00021c), 291 REG(SYS_COUNT_TX_65_127, 0x000220), 292 REG(SYS_COUNT_TX_128_511, 0x000224), 293 REG(SYS_COUNT_TX_512_1023, 0x000228), 294 REG(SYS_COUNT_TX_1024_1526, 0x00022c), 295 REG(SYS_COUNT_TX_1527_MAX, 0x000230), 296 REG(SYS_COUNT_TX_AGING, 0x000278), 297 REG(SYS_RESET_CFG, 0x000e00), 298 REG(SYS_SR_ETYPE_CFG, 0x000e04), 299 REG(SYS_VLAN_ETYPE_CFG, 0x000e08), 300 REG(SYS_PORT_MODE, 0x000e0c), 301 REG(SYS_FRONT_PORT_MODE, 0x000e2c), 302 REG(SYS_FRM_AGING, 0x000e44), 303 REG(SYS_STAT_CFG, 0x000e48), 304 REG(SYS_SW_STATUS, 0x000e4c), 305 REG_RESERVED(SYS_MISC_CFG), 306 REG(SYS_REW_MAC_HIGH_CFG, 0x000e6c), 307 REG(SYS_REW_MAC_LOW_CFG, 0x000e84), 308 REG(SYS_TIMESTAMP_OFFSET, 0x000e9c), 309 REG(SYS_PAUSE_CFG, 0x000ea0), 310 REG(SYS_PAUSE_TOT_CFG, 0x000ebc), 311 REG(SYS_ATOP, 0x000ec0), 312 REG(SYS_ATOP_TOT_CFG, 0x000edc), 313 REG(SYS_MAC_FC_CFG, 0x000ee0), 314 REG(SYS_MMGT, 0x000ef8), 315 REG_RESERVED(SYS_MMGT_FAST), 316 REG_RESERVED(SYS_EVENTS_DIF), 317 REG_RESERVED(SYS_EVENTS_CORE), 318 REG(SYS_CNT, 0x000000), 319 REG(SYS_PTP_STATUS, 0x000f14), 320 REG(SYS_PTP_TXSTAMP, 0x000f18), 321 REG(SYS_PTP_NXT, 0x000f1c), 322 REG(SYS_PTP_CFG, 0x000f20), 323 REG(SYS_RAM_INIT, 0x000f24), 324 REG_RESERVED(SYS_CM_ADDR), 325 REG_RESERVED(SYS_CM_DATA_WR), 326 REG_RESERVED(SYS_CM_DATA_RD), 327 REG_RESERVED(SYS_CM_OP), 328 REG_RESERVED(SYS_CM_DATA), 329 }; 330 331 static const u32 vsc9959_ptp_regmap[] = { 332 REG(PTP_PIN_CFG, 0x000000), 333 REG(PTP_PIN_TOD_SEC_MSB, 0x000004), 334 REG(PTP_PIN_TOD_SEC_LSB, 0x000008), 335 REG(PTP_PIN_TOD_NSEC, 0x00000c), 336 REG(PTP_PIN_WF_HIGH_PERIOD, 0x000014), 337 REG(PTP_PIN_WF_LOW_PERIOD, 0x000018), 338 REG(PTP_CFG_MISC, 0x0000a0), 339 REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4), 340 REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8), 341 }; 342 343 static const u32 vsc9959_gcb_regmap[] = { 344 REG(GCB_SOFT_RST, 0x000004), 345 }; 346 347 static const u32 vsc9959_dev_gmii_regmap[] = { 348 REG(DEV_CLOCK_CFG, 0x0), 349 REG(DEV_PORT_MISC, 0x4), 350 REG(DEV_EVENTS, 0x8), 351 REG(DEV_EEE_CFG, 0xc), 352 REG(DEV_RX_PATH_DELAY, 0x10), 353 REG(DEV_TX_PATH_DELAY, 0x14), 354 REG(DEV_PTP_PREDICT_CFG, 0x18), 355 REG(DEV_MAC_ENA_CFG, 0x1c), 356 REG(DEV_MAC_MODE_CFG, 0x20), 357 REG(DEV_MAC_MAXLEN_CFG, 0x24), 358 REG(DEV_MAC_TAGS_CFG, 0x28), 359 REG(DEV_MAC_ADV_CHK_CFG, 0x2c), 360 REG(DEV_MAC_IFG_CFG, 0x30), 361 REG(DEV_MAC_HDX_CFG, 0x34), 362 REG(DEV_MAC_DBG_CFG, 0x38), 363 REG(DEV_MAC_FC_MAC_LOW_CFG, 0x3c), 364 REG(DEV_MAC_FC_MAC_HIGH_CFG, 0x40), 365 REG(DEV_MAC_STICKY, 0x44), 366 REG_RESERVED(PCS1G_CFG), 367 REG_RESERVED(PCS1G_MODE_CFG), 368 REG_RESERVED(PCS1G_SD_CFG), 369 REG_RESERVED(PCS1G_ANEG_CFG), 370 REG_RESERVED(PCS1G_ANEG_NP_CFG), 371 REG_RESERVED(PCS1G_LB_CFG), 372 REG_RESERVED(PCS1G_DBG_CFG), 373 REG_RESERVED(PCS1G_CDET_CFG), 374 REG_RESERVED(PCS1G_ANEG_STATUS), 375 REG_RESERVED(PCS1G_ANEG_NP_STATUS), 376 REG_RESERVED(PCS1G_LINK_STATUS), 377 REG_RESERVED(PCS1G_LINK_DOWN_CNT), 378 REG_RESERVED(PCS1G_STICKY), 379 REG_RESERVED(PCS1G_DEBUG_STATUS), 380 REG_RESERVED(PCS1G_LPI_CFG), 381 REG_RESERVED(PCS1G_LPI_WAKE_ERROR_CNT), 382 REG_RESERVED(PCS1G_LPI_STATUS), 383 REG_RESERVED(PCS1G_TSTPAT_MODE_CFG), 384 REG_RESERVED(PCS1G_TSTPAT_STATUS), 385 REG_RESERVED(DEV_PCS_FX100_CFG), 386 REG_RESERVED(DEV_PCS_FX100_STATUS), 387 }; 388 389 static const u32 *vsc9959_regmap[TARGET_MAX] = { 390 [ANA] = vsc9959_ana_regmap, 391 [QS] = vsc9959_qs_regmap, 392 [QSYS] = vsc9959_qsys_regmap, 393 [REW] = vsc9959_rew_regmap, 394 [SYS] = vsc9959_sys_regmap, 395 [S0] = vsc9959_vcap_regmap, 396 [S1] = vsc9959_vcap_regmap, 397 [S2] = vsc9959_vcap_regmap, 398 [PTP] = vsc9959_ptp_regmap, 399 [GCB] = vsc9959_gcb_regmap, 400 [DEV_GMII] = vsc9959_dev_gmii_regmap, 401 }; 402 403 /* Addresses are relative to the PCI device's base address */ 404 static const struct resource vsc9959_target_io_res[TARGET_MAX] = { 405 [ANA] = { 406 .start = 0x0280000, 407 .end = 0x028ffff, 408 .name = "ana", 409 }, 410 [QS] = { 411 .start = 0x0080000, 412 .end = 0x00800ff, 413 .name = "qs", 414 }, 415 [QSYS] = { 416 .start = 0x0200000, 417 .end = 0x021ffff, 418 .name = "qsys", 419 }, 420 [REW] = { 421 .start = 0x0030000, 422 .end = 0x003ffff, 423 .name = "rew", 424 }, 425 [SYS] = { 426 .start = 0x0010000, 427 .end = 0x001ffff, 428 .name = "sys", 429 }, 430 [S0] = { 431 .start = 0x0040000, 432 .end = 0x00403ff, 433 .name = "s0", 434 }, 435 [S1] = { 436 .start = 0x0050000, 437 .end = 0x00503ff, 438 .name = "s1", 439 }, 440 [S2] = { 441 .start = 0x0060000, 442 .end = 0x00603ff, 443 .name = "s2", 444 }, 445 [PTP] = { 446 .start = 0x0090000, 447 .end = 0x00900cb, 448 .name = "ptp", 449 }, 450 [GCB] = { 451 .start = 0x0070000, 452 .end = 0x00701ff, 453 .name = "devcpu_gcb", 454 }, 455 }; 456 457 static const struct resource vsc9959_port_io_res[] = { 458 { 459 .start = 0x0100000, 460 .end = 0x010ffff, 461 .name = "port0", 462 }, 463 { 464 .start = 0x0110000, 465 .end = 0x011ffff, 466 .name = "port1", 467 }, 468 { 469 .start = 0x0120000, 470 .end = 0x012ffff, 471 .name = "port2", 472 }, 473 { 474 .start = 0x0130000, 475 .end = 0x013ffff, 476 .name = "port3", 477 }, 478 { 479 .start = 0x0140000, 480 .end = 0x014ffff, 481 .name = "port4", 482 }, 483 { 484 .start = 0x0150000, 485 .end = 0x015ffff, 486 .name = "port5", 487 }, 488 }; 489 490 /* Port MAC 0 Internal MDIO bus through which the SerDes acting as an 491 * SGMII/QSGMII MAC PCS can be found. 492 */ 493 static const struct resource vsc9959_imdio_res = { 494 .start = 0x8030, 495 .end = 0x8040, 496 .name = "imdio", 497 }; 498 499 static const struct reg_field vsc9959_regfields[REGFIELD_MAX] = { 500 [ANA_ADVLEARN_VLAN_CHK] = REG_FIELD(ANA_ADVLEARN, 6, 6), 501 [ANA_ADVLEARN_LEARN_MIRROR] = REG_FIELD(ANA_ADVLEARN, 0, 5), 502 [ANA_ANEVENTS_FLOOD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 30, 30), 503 [ANA_ANEVENTS_AUTOAGE] = REG_FIELD(ANA_ANEVENTS, 26, 26), 504 [ANA_ANEVENTS_STORM_DROP] = REG_FIELD(ANA_ANEVENTS, 24, 24), 505 [ANA_ANEVENTS_LEARN_DROP] = REG_FIELD(ANA_ANEVENTS, 23, 23), 506 [ANA_ANEVENTS_AGED_ENTRY] = REG_FIELD(ANA_ANEVENTS, 22, 22), 507 [ANA_ANEVENTS_CPU_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 21, 21), 508 [ANA_ANEVENTS_AUTO_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 20, 20), 509 [ANA_ANEVENTS_LEARN_REMOVE] = REG_FIELD(ANA_ANEVENTS, 19, 19), 510 [ANA_ANEVENTS_AUTO_LEARNED] = REG_FIELD(ANA_ANEVENTS, 18, 18), 511 [ANA_ANEVENTS_AUTO_MOVED] = REG_FIELD(ANA_ANEVENTS, 17, 17), 512 [ANA_ANEVENTS_CLASSIFIED_DROP] = REG_FIELD(ANA_ANEVENTS, 15, 15), 513 [ANA_ANEVENTS_CLASSIFIED_COPY] = REG_FIELD(ANA_ANEVENTS, 14, 14), 514 [ANA_ANEVENTS_VLAN_DISCARD] = REG_FIELD(ANA_ANEVENTS, 13, 13), 515 [ANA_ANEVENTS_FWD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 12, 12), 516 [ANA_ANEVENTS_MULTICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 11, 11), 517 [ANA_ANEVENTS_UNICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 10, 10), 518 [ANA_ANEVENTS_DEST_KNOWN] = REG_FIELD(ANA_ANEVENTS, 9, 9), 519 [ANA_ANEVENTS_BUCKET3_MATCH] = REG_FIELD(ANA_ANEVENTS, 8, 8), 520 [ANA_ANEVENTS_BUCKET2_MATCH] = REG_FIELD(ANA_ANEVENTS, 7, 7), 521 [ANA_ANEVENTS_BUCKET1_MATCH] = REG_FIELD(ANA_ANEVENTS, 6, 6), 522 [ANA_ANEVENTS_BUCKET0_MATCH] = REG_FIELD(ANA_ANEVENTS, 5, 5), 523 [ANA_ANEVENTS_CPU_OPERATION] = REG_FIELD(ANA_ANEVENTS, 4, 4), 524 [ANA_ANEVENTS_DMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 3, 3), 525 [ANA_ANEVENTS_SMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 2, 2), 526 [ANA_ANEVENTS_SEQ_GEN_ERR_0] = REG_FIELD(ANA_ANEVENTS, 1, 1), 527 [ANA_ANEVENTS_SEQ_GEN_ERR_1] = REG_FIELD(ANA_ANEVENTS, 0, 0), 528 [ANA_TABLES_MACACCESS_B_DOM] = REG_FIELD(ANA_TABLES_MACACCESS, 16, 16), 529 [ANA_TABLES_MACTINDX_BUCKET] = REG_FIELD(ANA_TABLES_MACTINDX, 11, 12), 530 [ANA_TABLES_MACTINDX_M_INDEX] = REG_FIELD(ANA_TABLES_MACTINDX, 0, 10), 531 [SYS_RESET_CFG_CORE_ENA] = REG_FIELD(SYS_RESET_CFG, 0, 0), 532 [GCB_SOFT_RST_SWC_RST] = REG_FIELD(GCB_SOFT_RST, 0, 0), 533 /* Replicated per number of ports (7), register size 4 per port */ 534 [QSYS_SWITCH_PORT_MODE_PORT_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 14, 14, 7, 4), 535 [QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 11, 13, 7, 4), 536 [QSYS_SWITCH_PORT_MODE_YEL_RSRVD] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 10, 10, 7, 4), 537 [QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 9, 9, 7, 4), 538 [QSYS_SWITCH_PORT_MODE_TX_PFC_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 1, 8, 7, 4), 539 [QSYS_SWITCH_PORT_MODE_TX_PFC_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 0, 0, 7, 4), 540 [SYS_PORT_MODE_DATA_WO_TS] = REG_FIELD_ID(SYS_PORT_MODE, 5, 6, 7, 4), 541 [SYS_PORT_MODE_INCL_INJ_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 3, 4, 7, 4), 542 [SYS_PORT_MODE_INCL_XTR_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 1, 2, 7, 4), 543 [SYS_PORT_MODE_INCL_HDR_ERR] = REG_FIELD_ID(SYS_PORT_MODE, 0, 0, 7, 4), 544 [SYS_PAUSE_CFG_PAUSE_START] = REG_FIELD_ID(SYS_PAUSE_CFG, 10, 18, 7, 4), 545 [SYS_PAUSE_CFG_PAUSE_STOP] = REG_FIELD_ID(SYS_PAUSE_CFG, 1, 9, 7, 4), 546 [SYS_PAUSE_CFG_PAUSE_ENA] = REG_FIELD_ID(SYS_PAUSE_CFG, 0, 1, 7, 4), 547 }; 548 549 static const struct ocelot_stat_layout vsc9959_stats_layout[] = { 550 { .offset = 0x00, .name = "rx_octets", }, 551 { .offset = 0x01, .name = "rx_unicast", }, 552 { .offset = 0x02, .name = "rx_multicast", }, 553 { .offset = 0x03, .name = "rx_broadcast", }, 554 { .offset = 0x04, .name = "rx_shorts", }, 555 { .offset = 0x05, .name = "rx_fragments", }, 556 { .offset = 0x06, .name = "rx_jabbers", }, 557 { .offset = 0x07, .name = "rx_crc_align_errs", }, 558 { .offset = 0x08, .name = "rx_sym_errs", }, 559 { .offset = 0x09, .name = "rx_frames_below_65_octets", }, 560 { .offset = 0x0A, .name = "rx_frames_65_to_127_octets", }, 561 { .offset = 0x0B, .name = "rx_frames_128_to_255_octets", }, 562 { .offset = 0x0C, .name = "rx_frames_256_to_511_octets", }, 563 { .offset = 0x0D, .name = "rx_frames_512_to_1023_octets", }, 564 { .offset = 0x0E, .name = "rx_frames_1024_to_1526_octets", }, 565 { .offset = 0x0F, .name = "rx_frames_over_1526_octets", }, 566 { .offset = 0x10, .name = "rx_pause", }, 567 { .offset = 0x11, .name = "rx_control", }, 568 { .offset = 0x12, .name = "rx_longs", }, 569 { .offset = 0x13, .name = "rx_classified_drops", }, 570 { .offset = 0x14, .name = "rx_red_prio_0", }, 571 { .offset = 0x15, .name = "rx_red_prio_1", }, 572 { .offset = 0x16, .name = "rx_red_prio_2", }, 573 { .offset = 0x17, .name = "rx_red_prio_3", }, 574 { .offset = 0x18, .name = "rx_red_prio_4", }, 575 { .offset = 0x19, .name = "rx_red_prio_5", }, 576 { .offset = 0x1A, .name = "rx_red_prio_6", }, 577 { .offset = 0x1B, .name = "rx_red_prio_7", }, 578 { .offset = 0x1C, .name = "rx_yellow_prio_0", }, 579 { .offset = 0x1D, .name = "rx_yellow_prio_1", }, 580 { .offset = 0x1E, .name = "rx_yellow_prio_2", }, 581 { .offset = 0x1F, .name = "rx_yellow_prio_3", }, 582 { .offset = 0x20, .name = "rx_yellow_prio_4", }, 583 { .offset = 0x21, .name = "rx_yellow_prio_5", }, 584 { .offset = 0x22, .name = "rx_yellow_prio_6", }, 585 { .offset = 0x23, .name = "rx_yellow_prio_7", }, 586 { .offset = 0x24, .name = "rx_green_prio_0", }, 587 { .offset = 0x25, .name = "rx_green_prio_1", }, 588 { .offset = 0x26, .name = "rx_green_prio_2", }, 589 { .offset = 0x27, .name = "rx_green_prio_3", }, 590 { .offset = 0x28, .name = "rx_green_prio_4", }, 591 { .offset = 0x29, .name = "rx_green_prio_5", }, 592 { .offset = 0x2A, .name = "rx_green_prio_6", }, 593 { .offset = 0x2B, .name = "rx_green_prio_7", }, 594 { .offset = 0x80, .name = "tx_octets", }, 595 { .offset = 0x81, .name = "tx_unicast", }, 596 { .offset = 0x82, .name = "tx_multicast", }, 597 { .offset = 0x83, .name = "tx_broadcast", }, 598 { .offset = 0x84, .name = "tx_collision", }, 599 { .offset = 0x85, .name = "tx_drops", }, 600 { .offset = 0x86, .name = "tx_pause", }, 601 { .offset = 0x87, .name = "tx_frames_below_65_octets", }, 602 { .offset = 0x88, .name = "tx_frames_65_to_127_octets", }, 603 { .offset = 0x89, .name = "tx_frames_128_255_octets", }, 604 { .offset = 0x8B, .name = "tx_frames_256_511_octets", }, 605 { .offset = 0x8C, .name = "tx_frames_1024_1526_octets", }, 606 { .offset = 0x8D, .name = "tx_frames_over_1526_octets", }, 607 { .offset = 0x8E, .name = "tx_yellow_prio_0", }, 608 { .offset = 0x8F, .name = "tx_yellow_prio_1", }, 609 { .offset = 0x90, .name = "tx_yellow_prio_2", }, 610 { .offset = 0x91, .name = "tx_yellow_prio_3", }, 611 { .offset = 0x92, .name = "tx_yellow_prio_4", }, 612 { .offset = 0x93, .name = "tx_yellow_prio_5", }, 613 { .offset = 0x94, .name = "tx_yellow_prio_6", }, 614 { .offset = 0x95, .name = "tx_yellow_prio_7", }, 615 { .offset = 0x96, .name = "tx_green_prio_0", }, 616 { .offset = 0x97, .name = "tx_green_prio_1", }, 617 { .offset = 0x98, .name = "tx_green_prio_2", }, 618 { .offset = 0x99, .name = "tx_green_prio_3", }, 619 { .offset = 0x9A, .name = "tx_green_prio_4", }, 620 { .offset = 0x9B, .name = "tx_green_prio_5", }, 621 { .offset = 0x9C, .name = "tx_green_prio_6", }, 622 { .offset = 0x9D, .name = "tx_green_prio_7", }, 623 { .offset = 0x9E, .name = "tx_aged", }, 624 { .offset = 0x100, .name = "drop_local", }, 625 { .offset = 0x101, .name = "drop_tail", }, 626 { .offset = 0x102, .name = "drop_yellow_prio_0", }, 627 { .offset = 0x103, .name = "drop_yellow_prio_1", }, 628 { .offset = 0x104, .name = "drop_yellow_prio_2", }, 629 { .offset = 0x105, .name = "drop_yellow_prio_3", }, 630 { .offset = 0x106, .name = "drop_yellow_prio_4", }, 631 { .offset = 0x107, .name = "drop_yellow_prio_5", }, 632 { .offset = 0x108, .name = "drop_yellow_prio_6", }, 633 { .offset = 0x109, .name = "drop_yellow_prio_7", }, 634 { .offset = 0x10A, .name = "drop_green_prio_0", }, 635 { .offset = 0x10B, .name = "drop_green_prio_1", }, 636 { .offset = 0x10C, .name = "drop_green_prio_2", }, 637 { .offset = 0x10D, .name = "drop_green_prio_3", }, 638 { .offset = 0x10E, .name = "drop_green_prio_4", }, 639 { .offset = 0x10F, .name = "drop_green_prio_5", }, 640 { .offset = 0x110, .name = "drop_green_prio_6", }, 641 { .offset = 0x111, .name = "drop_green_prio_7", }, 642 OCELOT_STAT_END 643 }; 644 645 static const struct vcap_field vsc9959_vcap_es0_keys[] = { 646 [VCAP_ES0_EGR_PORT] = { 0, 3}, 647 [VCAP_ES0_IGR_PORT] = { 3, 3}, 648 [VCAP_ES0_RSV] = { 6, 2}, 649 [VCAP_ES0_L2_MC] = { 8, 1}, 650 [VCAP_ES0_L2_BC] = { 9, 1}, 651 [VCAP_ES0_VID] = { 10, 12}, 652 [VCAP_ES0_DP] = { 22, 1}, 653 [VCAP_ES0_PCP] = { 23, 3}, 654 }; 655 656 static const struct vcap_field vsc9959_vcap_es0_actions[] = { 657 [VCAP_ES0_ACT_PUSH_OUTER_TAG] = { 0, 2}, 658 [VCAP_ES0_ACT_PUSH_INNER_TAG] = { 2, 1}, 659 [VCAP_ES0_ACT_TAG_A_TPID_SEL] = { 3, 2}, 660 [VCAP_ES0_ACT_TAG_A_VID_SEL] = { 5, 1}, 661 [VCAP_ES0_ACT_TAG_A_PCP_SEL] = { 6, 2}, 662 [VCAP_ES0_ACT_TAG_A_DEI_SEL] = { 8, 2}, 663 [VCAP_ES0_ACT_TAG_B_TPID_SEL] = { 10, 2}, 664 [VCAP_ES0_ACT_TAG_B_VID_SEL] = { 12, 1}, 665 [VCAP_ES0_ACT_TAG_B_PCP_SEL] = { 13, 2}, 666 [VCAP_ES0_ACT_TAG_B_DEI_SEL] = { 15, 2}, 667 [VCAP_ES0_ACT_VID_A_VAL] = { 17, 12}, 668 [VCAP_ES0_ACT_PCP_A_VAL] = { 29, 3}, 669 [VCAP_ES0_ACT_DEI_A_VAL] = { 32, 1}, 670 [VCAP_ES0_ACT_VID_B_VAL] = { 33, 12}, 671 [VCAP_ES0_ACT_PCP_B_VAL] = { 45, 3}, 672 [VCAP_ES0_ACT_DEI_B_VAL] = { 48, 1}, 673 [VCAP_ES0_ACT_RSV] = { 49, 23}, 674 [VCAP_ES0_ACT_HIT_STICKY] = { 72, 1}, 675 }; 676 677 static const struct vcap_field vsc9959_vcap_is1_keys[] = { 678 [VCAP_IS1_HK_TYPE] = { 0, 1}, 679 [VCAP_IS1_HK_LOOKUP] = { 1, 2}, 680 [VCAP_IS1_HK_IGR_PORT_MASK] = { 3, 7}, 681 [VCAP_IS1_HK_RSV] = { 10, 9}, 682 [VCAP_IS1_HK_OAM_Y1731] = { 19, 1}, 683 [VCAP_IS1_HK_L2_MC] = { 20, 1}, 684 [VCAP_IS1_HK_L2_BC] = { 21, 1}, 685 [VCAP_IS1_HK_IP_MC] = { 22, 1}, 686 [VCAP_IS1_HK_VLAN_TAGGED] = { 23, 1}, 687 [VCAP_IS1_HK_VLAN_DBL_TAGGED] = { 24, 1}, 688 [VCAP_IS1_HK_TPID] = { 25, 1}, 689 [VCAP_IS1_HK_VID] = { 26, 12}, 690 [VCAP_IS1_HK_DEI] = { 38, 1}, 691 [VCAP_IS1_HK_PCP] = { 39, 3}, 692 /* Specific Fields for IS1 Half Key S1_NORMAL */ 693 [VCAP_IS1_HK_L2_SMAC] = { 42, 48}, 694 [VCAP_IS1_HK_ETYPE_LEN] = { 90, 1}, 695 [VCAP_IS1_HK_ETYPE] = { 91, 16}, 696 [VCAP_IS1_HK_IP_SNAP] = {107, 1}, 697 [VCAP_IS1_HK_IP4] = {108, 1}, 698 /* Layer-3 Information */ 699 [VCAP_IS1_HK_L3_FRAGMENT] = {109, 1}, 700 [VCAP_IS1_HK_L3_FRAG_OFS_GT0] = {110, 1}, 701 [VCAP_IS1_HK_L3_OPTIONS] = {111, 1}, 702 [VCAP_IS1_HK_L3_DSCP] = {112, 6}, 703 [VCAP_IS1_HK_L3_IP4_SIP] = {118, 32}, 704 /* Layer-4 Information */ 705 [VCAP_IS1_HK_TCP_UDP] = {150, 1}, 706 [VCAP_IS1_HK_TCP] = {151, 1}, 707 [VCAP_IS1_HK_L4_SPORT] = {152, 16}, 708 [VCAP_IS1_HK_L4_RNG] = {168, 8}, 709 /* Specific Fields for IS1 Half Key S1_5TUPLE_IP4 */ 710 [VCAP_IS1_HK_IP4_INNER_TPID] = { 42, 1}, 711 [VCAP_IS1_HK_IP4_INNER_VID] = { 43, 12}, 712 [VCAP_IS1_HK_IP4_INNER_DEI] = { 55, 1}, 713 [VCAP_IS1_HK_IP4_INNER_PCP] = { 56, 3}, 714 [VCAP_IS1_HK_IP4_IP4] = { 59, 1}, 715 [VCAP_IS1_HK_IP4_L3_FRAGMENT] = { 60, 1}, 716 [VCAP_IS1_HK_IP4_L3_FRAG_OFS_GT0] = { 61, 1}, 717 [VCAP_IS1_HK_IP4_L3_OPTIONS] = { 62, 1}, 718 [VCAP_IS1_HK_IP4_L3_DSCP] = { 63, 6}, 719 [VCAP_IS1_HK_IP4_L3_IP4_DIP] = { 69, 32}, 720 [VCAP_IS1_HK_IP4_L3_IP4_SIP] = {101, 32}, 721 [VCAP_IS1_HK_IP4_L3_PROTO] = {133, 8}, 722 [VCAP_IS1_HK_IP4_TCP_UDP] = {141, 1}, 723 [VCAP_IS1_HK_IP4_TCP] = {142, 1}, 724 [VCAP_IS1_HK_IP4_L4_RNG] = {143, 8}, 725 [VCAP_IS1_HK_IP4_IP_PAYLOAD_S1_5TUPLE] = {151, 32}, 726 }; 727 728 static const struct vcap_field vsc9959_vcap_is1_actions[] = { 729 [VCAP_IS1_ACT_DSCP_ENA] = { 0, 1}, 730 [VCAP_IS1_ACT_DSCP_VAL] = { 1, 6}, 731 [VCAP_IS1_ACT_QOS_ENA] = { 7, 1}, 732 [VCAP_IS1_ACT_QOS_VAL] = { 8, 3}, 733 [VCAP_IS1_ACT_DP_ENA] = { 11, 1}, 734 [VCAP_IS1_ACT_DP_VAL] = { 12, 1}, 735 [VCAP_IS1_ACT_PAG_OVERRIDE_MASK] = { 13, 8}, 736 [VCAP_IS1_ACT_PAG_VAL] = { 21, 8}, 737 [VCAP_IS1_ACT_RSV] = { 29, 9}, 738 /* The fields below are incorrectly shifted by 2 in the manual */ 739 [VCAP_IS1_ACT_VID_REPLACE_ENA] = { 38, 1}, 740 [VCAP_IS1_ACT_VID_ADD_VAL] = { 39, 12}, 741 [VCAP_IS1_ACT_FID_SEL] = { 51, 2}, 742 [VCAP_IS1_ACT_FID_VAL] = { 53, 13}, 743 [VCAP_IS1_ACT_PCP_DEI_ENA] = { 66, 1}, 744 [VCAP_IS1_ACT_PCP_VAL] = { 67, 3}, 745 [VCAP_IS1_ACT_DEI_VAL] = { 70, 1}, 746 [VCAP_IS1_ACT_VLAN_POP_CNT_ENA] = { 71, 1}, 747 [VCAP_IS1_ACT_VLAN_POP_CNT] = { 72, 2}, 748 [VCAP_IS1_ACT_CUSTOM_ACE_TYPE_ENA] = { 74, 4}, 749 [VCAP_IS1_ACT_HIT_STICKY] = { 78, 1}, 750 }; 751 752 static struct vcap_field vsc9959_vcap_is2_keys[] = { 753 /* Common: 41 bits */ 754 [VCAP_IS2_TYPE] = { 0, 4}, 755 [VCAP_IS2_HK_FIRST] = { 4, 1}, 756 [VCAP_IS2_HK_PAG] = { 5, 8}, 757 [VCAP_IS2_HK_IGR_PORT_MASK] = { 13, 7}, 758 [VCAP_IS2_HK_RSV2] = { 20, 1}, 759 [VCAP_IS2_HK_HOST_MATCH] = { 21, 1}, 760 [VCAP_IS2_HK_L2_MC] = { 22, 1}, 761 [VCAP_IS2_HK_L2_BC] = { 23, 1}, 762 [VCAP_IS2_HK_VLAN_TAGGED] = { 24, 1}, 763 [VCAP_IS2_HK_VID] = { 25, 12}, 764 [VCAP_IS2_HK_DEI] = { 37, 1}, 765 [VCAP_IS2_HK_PCP] = { 38, 3}, 766 /* MAC_ETYPE / MAC_LLC / MAC_SNAP / OAM common */ 767 [VCAP_IS2_HK_L2_DMAC] = { 41, 48}, 768 [VCAP_IS2_HK_L2_SMAC] = { 89, 48}, 769 /* MAC_ETYPE (TYPE=000) */ 770 [VCAP_IS2_HK_MAC_ETYPE_ETYPE] = {137, 16}, 771 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0] = {153, 16}, 772 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1] = {169, 8}, 773 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2] = {177, 3}, 774 /* MAC_LLC (TYPE=001) */ 775 [VCAP_IS2_HK_MAC_LLC_L2_LLC] = {137, 40}, 776 /* MAC_SNAP (TYPE=010) */ 777 [VCAP_IS2_HK_MAC_SNAP_L2_SNAP] = {137, 40}, 778 /* MAC_ARP (TYPE=011) */ 779 [VCAP_IS2_HK_MAC_ARP_SMAC] = { 41, 48}, 780 [VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK] = { 89, 1}, 781 [VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK] = { 90, 1}, 782 [VCAP_IS2_HK_MAC_ARP_LEN_OK] = { 91, 1}, 783 [VCAP_IS2_HK_MAC_ARP_TARGET_MATCH] = { 92, 1}, 784 [VCAP_IS2_HK_MAC_ARP_SENDER_MATCH] = { 93, 1}, 785 [VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN] = { 94, 1}, 786 [VCAP_IS2_HK_MAC_ARP_OPCODE] = { 95, 2}, 787 [VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP] = { 97, 32}, 788 [VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP] = {129, 32}, 789 [VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP] = {161, 1}, 790 /* IP4_TCP_UDP / IP4_OTHER common */ 791 [VCAP_IS2_HK_IP4] = { 41, 1}, 792 [VCAP_IS2_HK_L3_FRAGMENT] = { 42, 1}, 793 [VCAP_IS2_HK_L3_FRAG_OFS_GT0] = { 43, 1}, 794 [VCAP_IS2_HK_L3_OPTIONS] = { 44, 1}, 795 [VCAP_IS2_HK_IP4_L3_TTL_GT0] = { 45, 1}, 796 [VCAP_IS2_HK_L3_TOS] = { 46, 8}, 797 [VCAP_IS2_HK_L3_IP4_DIP] = { 54, 32}, 798 [VCAP_IS2_HK_L3_IP4_SIP] = { 86, 32}, 799 [VCAP_IS2_HK_DIP_EQ_SIP] = {118, 1}, 800 /* IP4_TCP_UDP (TYPE=100) */ 801 [VCAP_IS2_HK_TCP] = {119, 1}, 802 [VCAP_IS2_HK_L4_DPORT] = {120, 16}, 803 [VCAP_IS2_HK_L4_SPORT] = {136, 16}, 804 [VCAP_IS2_HK_L4_RNG] = {152, 8}, 805 [VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {160, 1}, 806 [VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {161, 1}, 807 [VCAP_IS2_HK_L4_FIN] = {162, 1}, 808 [VCAP_IS2_HK_L4_SYN] = {163, 1}, 809 [VCAP_IS2_HK_L4_RST] = {164, 1}, 810 [VCAP_IS2_HK_L4_PSH] = {165, 1}, 811 [VCAP_IS2_HK_L4_ACK] = {166, 1}, 812 [VCAP_IS2_HK_L4_URG] = {167, 1}, 813 [VCAP_IS2_HK_L4_1588_DOM] = {168, 8}, 814 [VCAP_IS2_HK_L4_1588_VER] = {176, 4}, 815 /* IP4_OTHER (TYPE=101) */ 816 [VCAP_IS2_HK_IP4_L3_PROTO] = {119, 8}, 817 [VCAP_IS2_HK_L3_PAYLOAD] = {127, 56}, 818 /* IP6_STD (TYPE=110) */ 819 [VCAP_IS2_HK_IP6_L3_TTL_GT0] = { 41, 1}, 820 [VCAP_IS2_HK_L3_IP6_SIP] = { 42, 128}, 821 [VCAP_IS2_HK_IP6_L3_PROTO] = {170, 8}, 822 /* OAM (TYPE=111) */ 823 [VCAP_IS2_HK_OAM_MEL_FLAGS] = {137, 7}, 824 [VCAP_IS2_HK_OAM_VER] = {144, 5}, 825 [VCAP_IS2_HK_OAM_OPCODE] = {149, 8}, 826 [VCAP_IS2_HK_OAM_FLAGS] = {157, 8}, 827 [VCAP_IS2_HK_OAM_MEPID] = {165, 16}, 828 [VCAP_IS2_HK_OAM_CCM_CNTS_EQ0] = {181, 1}, 829 [VCAP_IS2_HK_OAM_IS_Y1731] = {182, 1}, 830 }; 831 832 static struct vcap_field vsc9959_vcap_is2_actions[] = { 833 [VCAP_IS2_ACT_HIT_ME_ONCE] = { 0, 1}, 834 [VCAP_IS2_ACT_CPU_COPY_ENA] = { 1, 1}, 835 [VCAP_IS2_ACT_CPU_QU_NUM] = { 2, 3}, 836 [VCAP_IS2_ACT_MASK_MODE] = { 5, 2}, 837 [VCAP_IS2_ACT_MIRROR_ENA] = { 7, 1}, 838 [VCAP_IS2_ACT_LRN_DIS] = { 8, 1}, 839 [VCAP_IS2_ACT_POLICE_ENA] = { 9, 1}, 840 [VCAP_IS2_ACT_POLICE_IDX] = { 10, 9}, 841 [VCAP_IS2_ACT_POLICE_VCAP_ONLY] = { 19, 1}, 842 [VCAP_IS2_ACT_PORT_MASK] = { 20, 6}, 843 [VCAP_IS2_ACT_REW_OP] = { 26, 9}, 844 [VCAP_IS2_ACT_SMAC_REPLACE_ENA] = { 35, 1}, 845 [VCAP_IS2_ACT_RSV] = { 36, 2}, 846 [VCAP_IS2_ACT_ACL_ID] = { 38, 6}, 847 [VCAP_IS2_ACT_HIT_CNT] = { 44, 32}, 848 }; 849 850 static struct vcap_props vsc9959_vcap_props[] = { 851 [VCAP_ES0] = { 852 .action_type_width = 0, 853 .action_table = { 854 [ES0_ACTION_TYPE_NORMAL] = { 855 .width = 72, /* HIT_STICKY not included */ 856 .count = 1, 857 }, 858 }, 859 .target = S0, 860 .keys = vsc9959_vcap_es0_keys, 861 .actions = vsc9959_vcap_es0_actions, 862 }, 863 [VCAP_IS1] = { 864 .action_type_width = 0, 865 .action_table = { 866 [IS1_ACTION_TYPE_NORMAL] = { 867 .width = 78, /* HIT_STICKY not included */ 868 .count = 4, 869 }, 870 }, 871 .target = S1, 872 .keys = vsc9959_vcap_is1_keys, 873 .actions = vsc9959_vcap_is1_actions, 874 }, 875 [VCAP_IS2] = { 876 .action_type_width = 1, 877 .action_table = { 878 [IS2_ACTION_TYPE_NORMAL] = { 879 .width = 44, 880 .count = 2 881 }, 882 [IS2_ACTION_TYPE_SMAC_SIP] = { 883 .width = 6, 884 .count = 4 885 }, 886 }, 887 .target = S2, 888 .keys = vsc9959_vcap_is2_keys, 889 .actions = vsc9959_vcap_is2_actions, 890 }, 891 }; 892 893 static const struct ptp_clock_info vsc9959_ptp_caps = { 894 .owner = THIS_MODULE, 895 .name = "felix ptp", 896 .max_adj = 0x7fffffff, 897 .n_alarm = 0, 898 .n_ext_ts = 0, 899 .n_per_out = OCELOT_PTP_PINS_NUM, 900 .n_pins = OCELOT_PTP_PINS_NUM, 901 .pps = 0, 902 .gettime64 = ocelot_ptp_gettime64, 903 .settime64 = ocelot_ptp_settime64, 904 .adjtime = ocelot_ptp_adjtime, 905 .adjfine = ocelot_ptp_adjfine, 906 .verify = ocelot_ptp_verify, 907 .enable = ocelot_ptp_enable, 908 }; 909 910 #define VSC9959_INIT_TIMEOUT 50000 911 #define VSC9959_GCB_RST_SLEEP 100 912 #define VSC9959_SYS_RAMINIT_SLEEP 80 913 914 static int vsc9959_gcb_soft_rst_status(struct ocelot *ocelot) 915 { 916 int val; 917 918 ocelot_field_read(ocelot, GCB_SOFT_RST_SWC_RST, &val); 919 920 return val; 921 } 922 923 static int vsc9959_sys_ram_init_status(struct ocelot *ocelot) 924 { 925 return ocelot_read(ocelot, SYS_RAM_INIT); 926 } 927 928 /* CORE_ENA is in SYS:SYSTEM:RESET_CFG 929 * RAM_INIT is in SYS:RAM_CTRL:RAM_INIT 930 */ 931 static int vsc9959_reset(struct ocelot *ocelot) 932 { 933 int val, err; 934 935 /* soft-reset the switch core */ 936 ocelot_field_write(ocelot, GCB_SOFT_RST_SWC_RST, 1); 937 938 err = readx_poll_timeout(vsc9959_gcb_soft_rst_status, ocelot, val, !val, 939 VSC9959_GCB_RST_SLEEP, VSC9959_INIT_TIMEOUT); 940 if (err) { 941 dev_err(ocelot->dev, "timeout: switch core reset\n"); 942 return err; 943 } 944 945 /* initialize switch mem ~40us */ 946 ocelot_write(ocelot, SYS_RAM_INIT_RAM_INIT, SYS_RAM_INIT); 947 err = readx_poll_timeout(vsc9959_sys_ram_init_status, ocelot, val, !val, 948 VSC9959_SYS_RAMINIT_SLEEP, 949 VSC9959_INIT_TIMEOUT); 950 if (err) { 951 dev_err(ocelot->dev, "timeout: switch sram init\n"); 952 return err; 953 } 954 955 /* enable switch core */ 956 ocelot_field_write(ocelot, SYS_RESET_CFG_CORE_ENA, 1); 957 958 return 0; 959 } 960 961 static void vsc9959_phylink_validate(struct ocelot *ocelot, int port, 962 unsigned long *supported, 963 struct phylink_link_state *state) 964 { 965 __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, }; 966 967 phylink_set_port_modes(mask); 968 phylink_set(mask, Autoneg); 969 phylink_set(mask, Pause); 970 phylink_set(mask, Asym_Pause); 971 phylink_set(mask, 10baseT_Half); 972 phylink_set(mask, 10baseT_Full); 973 phylink_set(mask, 100baseT_Half); 974 phylink_set(mask, 100baseT_Full); 975 phylink_set(mask, 1000baseT_Half); 976 phylink_set(mask, 1000baseT_Full); 977 phylink_set(mask, 1000baseX_Full); 978 979 if (state->interface == PHY_INTERFACE_MODE_INTERNAL || 980 state->interface == PHY_INTERFACE_MODE_2500BASEX || 981 state->interface == PHY_INTERFACE_MODE_USXGMII) { 982 phylink_set(mask, 2500baseT_Full); 983 phylink_set(mask, 2500baseX_Full); 984 } 985 986 linkmode_and(supported, supported, mask); 987 linkmode_and(state->advertising, state->advertising, mask); 988 } 989 990 /* Watermark encode 991 * Bit 8: Unit; 0:1, 1:16 992 * Bit 7-0: Value to be multiplied with unit 993 */ 994 static u16 vsc9959_wm_enc(u16 value) 995 { 996 WARN_ON(value >= 16 * BIT(8)); 997 998 if (value >= BIT(8)) 999 return BIT(8) | (value / 16); 1000 1001 return value; 1002 } 1003 1004 static u16 vsc9959_wm_dec(u16 wm) 1005 { 1006 WARN_ON(wm & ~GENMASK(8, 0)); 1007 1008 if (wm & BIT(8)) 1009 return (wm & GENMASK(7, 0)) * 16; 1010 1011 return wm; 1012 } 1013 1014 static void vsc9959_wm_stat(u32 val, u32 *inuse, u32 *maxuse) 1015 { 1016 *inuse = (val & GENMASK(23, 12)) >> 12; 1017 *maxuse = val & GENMASK(11, 0); 1018 } 1019 1020 static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot) 1021 { 1022 struct felix *felix = ocelot_to_felix(ocelot); 1023 struct enetc_mdio_priv *mdio_priv; 1024 struct device *dev = ocelot->dev; 1025 void __iomem *imdio_regs; 1026 struct resource res; 1027 struct enetc_hw *hw; 1028 struct mii_bus *bus; 1029 int port; 1030 int rc; 1031 1032 felix->pcs = devm_kcalloc(dev, felix->info->num_ports, 1033 sizeof(struct phylink_pcs *), 1034 GFP_KERNEL); 1035 if (!felix->pcs) { 1036 dev_err(dev, "failed to allocate array for PCS PHYs\n"); 1037 return -ENOMEM; 1038 } 1039 1040 memcpy(&res, felix->info->imdio_res, sizeof(res)); 1041 res.flags = IORESOURCE_MEM; 1042 res.start += felix->imdio_base; 1043 res.end += felix->imdio_base; 1044 1045 imdio_regs = devm_ioremap_resource(dev, &res); 1046 if (IS_ERR(imdio_regs)) 1047 return PTR_ERR(imdio_regs); 1048 1049 hw = enetc_hw_alloc(dev, imdio_regs); 1050 if (IS_ERR(hw)) { 1051 dev_err(dev, "failed to allocate ENETC HW structure\n"); 1052 return PTR_ERR(hw); 1053 } 1054 1055 bus = mdiobus_alloc_size(sizeof(*mdio_priv)); 1056 if (!bus) 1057 return -ENOMEM; 1058 1059 bus->name = "VSC9959 internal MDIO bus"; 1060 bus->read = enetc_mdio_read; 1061 bus->write = enetc_mdio_write; 1062 bus->parent = dev; 1063 mdio_priv = bus->priv; 1064 mdio_priv->hw = hw; 1065 /* This gets added to imdio_regs, which already maps addresses 1066 * starting with the proper offset. 1067 */ 1068 mdio_priv->mdio_base = 0; 1069 snprintf(bus->id, MII_BUS_ID_SIZE, "%s-imdio", dev_name(dev)); 1070 1071 /* Needed in order to initialize the bus mutex lock */ 1072 rc = mdiobus_register(bus); 1073 if (rc < 0) { 1074 dev_err(dev, "failed to register MDIO bus\n"); 1075 mdiobus_free(bus); 1076 return rc; 1077 } 1078 1079 felix->imdio = bus; 1080 1081 for (port = 0; port < felix->info->num_ports; port++) { 1082 struct ocelot_port *ocelot_port = ocelot->ports[port]; 1083 struct phylink_pcs *phylink_pcs; 1084 struct mdio_device *mdio_device; 1085 1086 if (dsa_is_unused_port(felix->ds, port)) 1087 continue; 1088 1089 if (ocelot_port->phy_mode == PHY_INTERFACE_MODE_INTERNAL) 1090 continue; 1091 1092 mdio_device = mdio_device_create(felix->imdio, port); 1093 if (IS_ERR(mdio_device)) 1094 continue; 1095 1096 phylink_pcs = lynx_pcs_create(mdio_device); 1097 if (!phylink_pcs) { 1098 mdio_device_free(mdio_device); 1099 continue; 1100 } 1101 1102 felix->pcs[port] = phylink_pcs; 1103 1104 dev_info(dev, "Found PCS at internal MDIO address %d\n", port); 1105 } 1106 1107 return 0; 1108 } 1109 1110 static void vsc9959_mdio_bus_free(struct ocelot *ocelot) 1111 { 1112 struct felix *felix = ocelot_to_felix(ocelot); 1113 int port; 1114 1115 for (port = 0; port < ocelot->num_phys_ports; port++) { 1116 struct phylink_pcs *phylink_pcs = felix->pcs[port]; 1117 struct mdio_device *mdio_device; 1118 1119 if (!phylink_pcs) 1120 continue; 1121 1122 mdio_device = lynx_get_mdio_device(phylink_pcs); 1123 mdio_device_free(mdio_device); 1124 lynx_pcs_destroy(phylink_pcs); 1125 } 1126 mdiobus_unregister(felix->imdio); 1127 mdiobus_free(felix->imdio); 1128 } 1129 1130 static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port, 1131 u32 speed) 1132 { 1133 u8 tas_speed; 1134 1135 switch (speed) { 1136 case SPEED_10: 1137 tas_speed = OCELOT_SPEED_10; 1138 break; 1139 case SPEED_100: 1140 tas_speed = OCELOT_SPEED_100; 1141 break; 1142 case SPEED_1000: 1143 tas_speed = OCELOT_SPEED_1000; 1144 break; 1145 case SPEED_2500: 1146 tas_speed = OCELOT_SPEED_2500; 1147 break; 1148 default: 1149 tas_speed = OCELOT_SPEED_1000; 1150 break; 1151 } 1152 1153 ocelot_rmw_rix(ocelot, 1154 QSYS_TAG_CONFIG_LINK_SPEED(tas_speed), 1155 QSYS_TAG_CONFIG_LINK_SPEED_M, 1156 QSYS_TAG_CONFIG, port); 1157 } 1158 1159 static void vsc9959_new_base_time(struct ocelot *ocelot, ktime_t base_time, 1160 u64 cycle_time, 1161 struct timespec64 *new_base_ts) 1162 { 1163 struct timespec64 ts; 1164 ktime_t new_base_time; 1165 ktime_t current_time; 1166 1167 ocelot_ptp_gettime64(&ocelot->ptp_info, &ts); 1168 current_time = timespec64_to_ktime(ts); 1169 new_base_time = base_time; 1170 1171 if (base_time < current_time) { 1172 u64 nr_of_cycles = current_time - base_time; 1173 1174 do_div(nr_of_cycles, cycle_time); 1175 new_base_time += cycle_time * (nr_of_cycles + 1); 1176 } 1177 1178 *new_base_ts = ktime_to_timespec64(new_base_time); 1179 } 1180 1181 static u32 vsc9959_tas_read_cfg_status(struct ocelot *ocelot) 1182 { 1183 return ocelot_read(ocelot, QSYS_TAS_PARAM_CFG_CTRL); 1184 } 1185 1186 static void vsc9959_tas_gcl_set(struct ocelot *ocelot, const u32 gcl_ix, 1187 struct tc_taprio_sched_entry *entry) 1188 { 1189 ocelot_write(ocelot, 1190 QSYS_GCL_CFG_REG_1_GCL_ENTRY_NUM(gcl_ix) | 1191 QSYS_GCL_CFG_REG_1_GATE_STATE(entry->gate_mask), 1192 QSYS_GCL_CFG_REG_1); 1193 ocelot_write(ocelot, entry->interval, QSYS_GCL_CFG_REG_2); 1194 } 1195 1196 static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port, 1197 struct tc_taprio_qopt_offload *taprio) 1198 { 1199 struct timespec64 base_ts; 1200 int ret, i; 1201 u32 val; 1202 1203 if (!taprio->enable) { 1204 ocelot_rmw_rix(ocelot, 1205 QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF), 1206 QSYS_TAG_CONFIG_ENABLE | 1207 QSYS_TAG_CONFIG_INIT_GATE_STATE_M, 1208 QSYS_TAG_CONFIG, port); 1209 1210 return 0; 1211 } 1212 1213 if (taprio->cycle_time > NSEC_PER_SEC || 1214 taprio->cycle_time_extension >= NSEC_PER_SEC) 1215 return -EINVAL; 1216 1217 if (taprio->num_entries > VSC9959_TAS_GCL_ENTRY_MAX) 1218 return -ERANGE; 1219 1220 /* Enable guard band. The switch will schedule frames without taking 1221 * their length into account. Thus we'll always need to enable the 1222 * guard band which reserves the time of a maximum sized frame at the 1223 * end of the time window. 1224 * 1225 * Although the ALWAYS_GUARD_BAND_SCH_Q bit is global for all ports, we 1226 * need to set PORT_NUM, because subsequent writes to PARAM_CFG_REG_n 1227 * operate on the port number. 1228 */ 1229 ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM(port) | 1230 QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q, 1231 QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM_M | 1232 QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q, 1233 QSYS_TAS_PARAM_CFG_CTRL); 1234 1235 /* Hardware errata - Admin config could not be overwritten if 1236 * config is pending, need reset the TAS module 1237 */ 1238 val = ocelot_read(ocelot, QSYS_PARAM_STATUS_REG_8); 1239 if (val & QSYS_PARAM_STATUS_REG_8_CONFIG_PENDING) 1240 return -EBUSY; 1241 1242 ocelot_rmw_rix(ocelot, 1243 QSYS_TAG_CONFIG_ENABLE | 1244 QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF) | 1245 QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES(0xFF), 1246 QSYS_TAG_CONFIG_ENABLE | 1247 QSYS_TAG_CONFIG_INIT_GATE_STATE_M | 1248 QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES_M, 1249 QSYS_TAG_CONFIG, port); 1250 1251 vsc9959_new_base_time(ocelot, taprio->base_time, 1252 taprio->cycle_time, &base_ts); 1253 ocelot_write(ocelot, base_ts.tv_nsec, QSYS_PARAM_CFG_REG_1); 1254 ocelot_write(ocelot, lower_32_bits(base_ts.tv_sec), QSYS_PARAM_CFG_REG_2); 1255 val = upper_32_bits(base_ts.tv_sec); 1256 ocelot_write(ocelot, 1257 QSYS_PARAM_CFG_REG_3_BASE_TIME_SEC_MSB(val) | 1258 QSYS_PARAM_CFG_REG_3_LIST_LENGTH(taprio->num_entries), 1259 QSYS_PARAM_CFG_REG_3); 1260 ocelot_write(ocelot, taprio->cycle_time, QSYS_PARAM_CFG_REG_4); 1261 ocelot_write(ocelot, taprio->cycle_time_extension, QSYS_PARAM_CFG_REG_5); 1262 1263 for (i = 0; i < taprio->num_entries; i++) 1264 vsc9959_tas_gcl_set(ocelot, i, &taprio->entries[i]); 1265 1266 ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE, 1267 QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE, 1268 QSYS_TAS_PARAM_CFG_CTRL); 1269 1270 ret = readx_poll_timeout(vsc9959_tas_read_cfg_status, ocelot, val, 1271 !(val & QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE), 1272 10, 100000); 1273 1274 return ret; 1275 } 1276 1277 static int vsc9959_qos_port_cbs_set(struct dsa_switch *ds, int port, 1278 struct tc_cbs_qopt_offload *cbs_qopt) 1279 { 1280 struct ocelot *ocelot = ds->priv; 1281 int port_ix = port * 8 + cbs_qopt->queue; 1282 u32 rate, burst; 1283 1284 if (cbs_qopt->queue >= ds->num_tx_queues) 1285 return -EINVAL; 1286 1287 if (!cbs_qopt->enable) { 1288 ocelot_write_gix(ocelot, QSYS_CIR_CFG_CIR_RATE(0) | 1289 QSYS_CIR_CFG_CIR_BURST(0), 1290 QSYS_CIR_CFG, port_ix); 1291 1292 ocelot_rmw_gix(ocelot, 0, QSYS_SE_CFG_SE_AVB_ENA, 1293 QSYS_SE_CFG, port_ix); 1294 1295 return 0; 1296 } 1297 1298 /* Rate unit is 100 kbps */ 1299 rate = DIV_ROUND_UP(cbs_qopt->idleslope, 100); 1300 /* Avoid using zero rate */ 1301 rate = clamp_t(u32, rate, 1, GENMASK(14, 0)); 1302 /* Burst unit is 4kB */ 1303 burst = DIV_ROUND_UP(cbs_qopt->hicredit, 4096); 1304 /* Avoid using zero burst size */ 1305 burst = clamp_t(u32, burst, 1, GENMASK(5, 0)); 1306 ocelot_write_gix(ocelot, 1307 QSYS_CIR_CFG_CIR_RATE(rate) | 1308 QSYS_CIR_CFG_CIR_BURST(burst), 1309 QSYS_CIR_CFG, 1310 port_ix); 1311 1312 ocelot_rmw_gix(ocelot, 1313 QSYS_SE_CFG_SE_FRM_MODE(0) | 1314 QSYS_SE_CFG_SE_AVB_ENA, 1315 QSYS_SE_CFG_SE_AVB_ENA | 1316 QSYS_SE_CFG_SE_FRM_MODE_M, 1317 QSYS_SE_CFG, 1318 port_ix); 1319 1320 return 0; 1321 } 1322 1323 static int vsc9959_port_setup_tc(struct dsa_switch *ds, int port, 1324 enum tc_setup_type type, 1325 void *type_data) 1326 { 1327 struct ocelot *ocelot = ds->priv; 1328 1329 switch (type) { 1330 case TC_SETUP_QDISC_TAPRIO: 1331 return vsc9959_qos_port_tas_set(ocelot, port, type_data); 1332 case TC_SETUP_QDISC_CBS: 1333 return vsc9959_qos_port_cbs_set(ds, port, type_data); 1334 default: 1335 return -EOPNOTSUPP; 1336 } 1337 } 1338 1339 #define VSC9959_PSFP_SFID_MAX 175 1340 #define VSC9959_PSFP_GATE_ID_MAX 183 1341 #define VSC9959_PSFP_POLICER_BASE 63 1342 #define VSC9959_PSFP_POLICER_MAX 383 1343 #define VSC9959_PSFP_GATE_LIST_NUM 4 1344 #define VSC9959_PSFP_GATE_CYCLETIME_MIN 5000 1345 1346 struct felix_stream { 1347 struct list_head list; 1348 unsigned long id; 1349 bool dummy; 1350 int ports; 1351 int port; 1352 u8 dmac[ETH_ALEN]; 1353 u16 vid; 1354 s8 prio; 1355 u8 sfid_valid; 1356 u8 ssid_valid; 1357 u32 sfid; 1358 u32 ssid; 1359 }; 1360 1361 struct felix_stream_filter { 1362 struct list_head list; 1363 refcount_t refcount; 1364 u32 index; 1365 u8 enable; 1366 int portmask; 1367 u8 sg_valid; 1368 u32 sgid; 1369 u8 fm_valid; 1370 u32 fmid; 1371 u8 prio_valid; 1372 u8 prio; 1373 u32 maxsdu; 1374 }; 1375 1376 struct felix_stream_filter_counters { 1377 u32 match; 1378 u32 not_pass_gate; 1379 u32 not_pass_sdu; 1380 u32 red; 1381 }; 1382 1383 struct felix_stream_gate { 1384 u32 index; 1385 u8 enable; 1386 u8 ipv_valid; 1387 u8 init_ipv; 1388 u64 basetime; 1389 u64 cycletime; 1390 u64 cycletime_ext; 1391 u32 num_entries; 1392 struct action_gate_entry entries[]; 1393 }; 1394 1395 struct felix_stream_gate_entry { 1396 struct list_head list; 1397 refcount_t refcount; 1398 u32 index; 1399 }; 1400 1401 static int vsc9959_stream_identify(struct flow_cls_offload *f, 1402 struct felix_stream *stream) 1403 { 1404 struct flow_rule *rule = flow_cls_offload_flow_rule(f); 1405 struct flow_dissector *dissector = rule->match.dissector; 1406 1407 if (dissector->used_keys & 1408 ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1409 BIT(FLOW_DISSECTOR_KEY_BASIC) | 1410 BIT(FLOW_DISSECTOR_KEY_VLAN) | 1411 BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS))) 1412 return -EOPNOTSUPP; 1413 1414 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1415 struct flow_match_eth_addrs match; 1416 1417 flow_rule_match_eth_addrs(rule, &match); 1418 ether_addr_copy(stream->dmac, match.key->dst); 1419 if (!is_zero_ether_addr(match.mask->src)) 1420 return -EOPNOTSUPP; 1421 } else { 1422 return -EOPNOTSUPP; 1423 } 1424 1425 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { 1426 struct flow_match_vlan match; 1427 1428 flow_rule_match_vlan(rule, &match); 1429 if (match.mask->vlan_priority) 1430 stream->prio = match.key->vlan_priority; 1431 else 1432 stream->prio = -1; 1433 1434 if (!match.mask->vlan_id) 1435 return -EOPNOTSUPP; 1436 stream->vid = match.key->vlan_id; 1437 } else { 1438 return -EOPNOTSUPP; 1439 } 1440 1441 stream->id = f->cookie; 1442 1443 return 0; 1444 } 1445 1446 static int vsc9959_mact_stream_set(struct ocelot *ocelot, 1447 struct felix_stream *stream, 1448 struct netlink_ext_ack *extack) 1449 { 1450 enum macaccess_entry_type type; 1451 int ret, sfid, ssid; 1452 u32 vid, dst_idx; 1453 u8 mac[ETH_ALEN]; 1454 1455 ether_addr_copy(mac, stream->dmac); 1456 vid = stream->vid; 1457 1458 /* Stream identification desn't support to add a stream with non 1459 * existent MAC (The MAC entry has not been learned in MAC table). 1460 */ 1461 ret = ocelot_mact_lookup(ocelot, &dst_idx, mac, vid, &type); 1462 if (ret) { 1463 if (extack) 1464 NL_SET_ERR_MSG_MOD(extack, "Stream is not learned in MAC table"); 1465 return -EOPNOTSUPP; 1466 } 1467 1468 if ((stream->sfid_valid || stream->ssid_valid) && 1469 type == ENTRYTYPE_NORMAL) 1470 type = ENTRYTYPE_LOCKED; 1471 1472 sfid = stream->sfid_valid ? stream->sfid : -1; 1473 ssid = stream->ssid_valid ? stream->ssid : -1; 1474 1475 ret = ocelot_mact_learn_streamdata(ocelot, dst_idx, mac, vid, type, 1476 sfid, ssid); 1477 1478 return ret; 1479 } 1480 1481 static struct felix_stream * 1482 vsc9959_stream_table_lookup(struct list_head *stream_list, 1483 struct felix_stream *stream) 1484 { 1485 struct felix_stream *tmp; 1486 1487 list_for_each_entry(tmp, stream_list, list) 1488 if (ether_addr_equal(tmp->dmac, stream->dmac) && 1489 tmp->vid == stream->vid) 1490 return tmp; 1491 1492 return NULL; 1493 } 1494 1495 static int vsc9959_stream_table_add(struct ocelot *ocelot, 1496 struct list_head *stream_list, 1497 struct felix_stream *stream, 1498 struct netlink_ext_ack *extack) 1499 { 1500 struct felix_stream *stream_entry; 1501 int ret; 1502 1503 stream_entry = kmemdup(stream, sizeof(*stream_entry), GFP_KERNEL); 1504 if (!stream_entry) 1505 return -ENOMEM; 1506 1507 if (!stream->dummy) { 1508 ret = vsc9959_mact_stream_set(ocelot, stream_entry, extack); 1509 if (ret) { 1510 kfree(stream_entry); 1511 return ret; 1512 } 1513 } 1514 1515 list_add_tail(&stream_entry->list, stream_list); 1516 1517 return 0; 1518 } 1519 1520 static struct felix_stream * 1521 vsc9959_stream_table_get(struct list_head *stream_list, unsigned long id) 1522 { 1523 struct felix_stream *tmp; 1524 1525 list_for_each_entry(tmp, stream_list, list) 1526 if (tmp->id == id) 1527 return tmp; 1528 1529 return NULL; 1530 } 1531 1532 static void vsc9959_stream_table_del(struct ocelot *ocelot, 1533 struct felix_stream *stream) 1534 { 1535 if (!stream->dummy) 1536 vsc9959_mact_stream_set(ocelot, stream, NULL); 1537 1538 list_del(&stream->list); 1539 kfree(stream); 1540 } 1541 1542 static u32 vsc9959_sfi_access_status(struct ocelot *ocelot) 1543 { 1544 return ocelot_read(ocelot, ANA_TABLES_SFIDACCESS); 1545 } 1546 1547 static int vsc9959_psfp_sfi_set(struct ocelot *ocelot, 1548 struct felix_stream_filter *sfi) 1549 { 1550 u32 val; 1551 1552 if (sfi->index > VSC9959_PSFP_SFID_MAX) 1553 return -EINVAL; 1554 1555 if (!sfi->enable) { 1556 ocelot_write(ocelot, ANA_TABLES_SFIDTIDX_SFID_INDEX(sfi->index), 1557 ANA_TABLES_SFIDTIDX); 1558 1559 val = ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE); 1560 ocelot_write(ocelot, val, ANA_TABLES_SFIDACCESS); 1561 1562 return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val, 1563 (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)), 1564 10, 100000); 1565 } 1566 1567 if (sfi->sgid > VSC9959_PSFP_GATE_ID_MAX || 1568 sfi->fmid > VSC9959_PSFP_POLICER_MAX) 1569 return -EINVAL; 1570 1571 ocelot_write(ocelot, 1572 (sfi->sg_valid ? ANA_TABLES_SFIDTIDX_SGID_VALID : 0) | 1573 ANA_TABLES_SFIDTIDX_SGID(sfi->sgid) | 1574 (sfi->fm_valid ? ANA_TABLES_SFIDTIDX_POL_ENA : 0) | 1575 ANA_TABLES_SFIDTIDX_POL_IDX(sfi->fmid) | 1576 ANA_TABLES_SFIDTIDX_SFID_INDEX(sfi->index), 1577 ANA_TABLES_SFIDTIDX); 1578 1579 ocelot_write(ocelot, 1580 (sfi->prio_valid ? ANA_TABLES_SFIDACCESS_IGR_PRIO_MATCH_ENA : 0) | 1581 ANA_TABLES_SFIDACCESS_IGR_PRIO(sfi->prio) | 1582 ANA_TABLES_SFIDACCESS_MAX_SDU_LEN(sfi->maxsdu) | 1583 ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE), 1584 ANA_TABLES_SFIDACCESS); 1585 1586 return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val, 1587 (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)), 1588 10, 100000); 1589 } 1590 1591 static int vsc9959_psfp_sfidmask_set(struct ocelot *ocelot, u32 sfid, int ports) 1592 { 1593 u32 val; 1594 1595 ocelot_rmw(ocelot, 1596 ANA_TABLES_SFIDTIDX_SFID_INDEX(sfid), 1597 ANA_TABLES_SFIDTIDX_SFID_INDEX_M, 1598 ANA_TABLES_SFIDTIDX); 1599 1600 ocelot_write(ocelot, 1601 ANA_TABLES_SFID_MASK_IGR_PORT_MASK(ports) | 1602 ANA_TABLES_SFID_MASK_IGR_SRCPORT_MATCH_ENA, 1603 ANA_TABLES_SFID_MASK); 1604 1605 ocelot_rmw(ocelot, 1606 ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE), 1607 ANA_TABLES_SFIDACCESS_SFID_TBL_CMD_M, 1608 ANA_TABLES_SFIDACCESS); 1609 1610 return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val, 1611 (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)), 1612 10, 100000); 1613 } 1614 1615 static int vsc9959_psfp_sfi_list_add(struct ocelot *ocelot, 1616 struct felix_stream_filter *sfi, 1617 struct list_head *pos) 1618 { 1619 struct felix_stream_filter *sfi_entry; 1620 int ret; 1621 1622 sfi_entry = kmemdup(sfi, sizeof(*sfi_entry), GFP_KERNEL); 1623 if (!sfi_entry) 1624 return -ENOMEM; 1625 1626 refcount_set(&sfi_entry->refcount, 1); 1627 1628 ret = vsc9959_psfp_sfi_set(ocelot, sfi_entry); 1629 if (ret) { 1630 kfree(sfi_entry); 1631 return ret; 1632 } 1633 1634 vsc9959_psfp_sfidmask_set(ocelot, sfi->index, sfi->portmask); 1635 1636 list_add(&sfi_entry->list, pos); 1637 1638 return 0; 1639 } 1640 1641 static int vsc9959_psfp_sfi_table_add(struct ocelot *ocelot, 1642 struct felix_stream_filter *sfi) 1643 { 1644 struct list_head *pos, *q, *last; 1645 struct felix_stream_filter *tmp; 1646 struct ocelot_psfp_list *psfp; 1647 u32 insert = 0; 1648 1649 psfp = &ocelot->psfp; 1650 last = &psfp->sfi_list; 1651 1652 list_for_each_safe(pos, q, &psfp->sfi_list) { 1653 tmp = list_entry(pos, struct felix_stream_filter, list); 1654 if (sfi->sg_valid == tmp->sg_valid && 1655 sfi->fm_valid == tmp->fm_valid && 1656 sfi->portmask == tmp->portmask && 1657 tmp->sgid == sfi->sgid && 1658 tmp->fmid == sfi->fmid) { 1659 sfi->index = tmp->index; 1660 refcount_inc(&tmp->refcount); 1661 return 0; 1662 } 1663 /* Make sure that the index is increasing in order. */ 1664 if (tmp->index == insert) { 1665 last = pos; 1666 insert++; 1667 } 1668 } 1669 sfi->index = insert; 1670 1671 return vsc9959_psfp_sfi_list_add(ocelot, sfi, last); 1672 } 1673 1674 static int vsc9959_psfp_sfi_table_add2(struct ocelot *ocelot, 1675 struct felix_stream_filter *sfi, 1676 struct felix_stream_filter *sfi2) 1677 { 1678 struct felix_stream_filter *tmp; 1679 struct list_head *pos, *q, *last; 1680 struct ocelot_psfp_list *psfp; 1681 u32 insert = 0; 1682 int ret; 1683 1684 psfp = &ocelot->psfp; 1685 last = &psfp->sfi_list; 1686 1687 list_for_each_safe(pos, q, &psfp->sfi_list) { 1688 tmp = list_entry(pos, struct felix_stream_filter, list); 1689 /* Make sure that the index is increasing in order. */ 1690 if (tmp->index >= insert + 2) 1691 break; 1692 1693 insert = tmp->index + 1; 1694 last = pos; 1695 } 1696 sfi->index = insert; 1697 1698 ret = vsc9959_psfp_sfi_list_add(ocelot, sfi, last); 1699 if (ret) 1700 return ret; 1701 1702 sfi2->index = insert + 1; 1703 1704 return vsc9959_psfp_sfi_list_add(ocelot, sfi2, last->next); 1705 } 1706 1707 static struct felix_stream_filter * 1708 vsc9959_psfp_sfi_table_get(struct list_head *sfi_list, u32 index) 1709 { 1710 struct felix_stream_filter *tmp; 1711 1712 list_for_each_entry(tmp, sfi_list, list) 1713 if (tmp->index == index) 1714 return tmp; 1715 1716 return NULL; 1717 } 1718 1719 static void vsc9959_psfp_sfi_table_del(struct ocelot *ocelot, u32 index) 1720 { 1721 struct felix_stream_filter *tmp, *n; 1722 struct ocelot_psfp_list *psfp; 1723 u8 z; 1724 1725 psfp = &ocelot->psfp; 1726 1727 list_for_each_entry_safe(tmp, n, &psfp->sfi_list, list) 1728 if (tmp->index == index) { 1729 z = refcount_dec_and_test(&tmp->refcount); 1730 if (z) { 1731 tmp->enable = 0; 1732 vsc9959_psfp_sfi_set(ocelot, tmp); 1733 list_del(&tmp->list); 1734 kfree(tmp); 1735 } 1736 break; 1737 } 1738 } 1739 1740 static void vsc9959_psfp_parse_gate(const struct flow_action_entry *entry, 1741 struct felix_stream_gate *sgi) 1742 { 1743 sgi->index = entry->hw_index; 1744 sgi->ipv_valid = (entry->gate.prio < 0) ? 0 : 1; 1745 sgi->init_ipv = (sgi->ipv_valid) ? entry->gate.prio : 0; 1746 sgi->basetime = entry->gate.basetime; 1747 sgi->cycletime = entry->gate.cycletime; 1748 sgi->num_entries = entry->gate.num_entries; 1749 sgi->enable = 1; 1750 1751 memcpy(sgi->entries, entry->gate.entries, 1752 entry->gate.num_entries * sizeof(struct action_gate_entry)); 1753 } 1754 1755 static u32 vsc9959_sgi_cfg_status(struct ocelot *ocelot) 1756 { 1757 return ocelot_read(ocelot, ANA_SG_ACCESS_CTRL); 1758 } 1759 1760 static int vsc9959_psfp_sgi_set(struct ocelot *ocelot, 1761 struct felix_stream_gate *sgi) 1762 { 1763 struct action_gate_entry *e; 1764 struct timespec64 base_ts; 1765 u32 interval_sum = 0; 1766 u32 val; 1767 int i; 1768 1769 if (sgi->index > VSC9959_PSFP_GATE_ID_MAX) 1770 return -EINVAL; 1771 1772 ocelot_write(ocelot, ANA_SG_ACCESS_CTRL_SGID(sgi->index), 1773 ANA_SG_ACCESS_CTRL); 1774 1775 if (!sgi->enable) { 1776 ocelot_rmw(ocelot, ANA_SG_CONFIG_REG_3_INIT_GATE_STATE, 1777 ANA_SG_CONFIG_REG_3_INIT_GATE_STATE | 1778 ANA_SG_CONFIG_REG_3_GATE_ENABLE, 1779 ANA_SG_CONFIG_REG_3); 1780 1781 return 0; 1782 } 1783 1784 if (sgi->cycletime < VSC9959_PSFP_GATE_CYCLETIME_MIN || 1785 sgi->cycletime > NSEC_PER_SEC) 1786 return -EINVAL; 1787 1788 if (sgi->num_entries > VSC9959_PSFP_GATE_LIST_NUM) 1789 return -EINVAL; 1790 1791 vsc9959_new_base_time(ocelot, sgi->basetime, sgi->cycletime, &base_ts); 1792 ocelot_write(ocelot, base_ts.tv_nsec, ANA_SG_CONFIG_REG_1); 1793 val = lower_32_bits(base_ts.tv_sec); 1794 ocelot_write(ocelot, val, ANA_SG_CONFIG_REG_2); 1795 1796 val = upper_32_bits(base_ts.tv_sec); 1797 ocelot_write(ocelot, 1798 (sgi->ipv_valid ? ANA_SG_CONFIG_REG_3_IPV_VALID : 0) | 1799 ANA_SG_CONFIG_REG_3_INIT_IPV(sgi->init_ipv) | 1800 ANA_SG_CONFIG_REG_3_GATE_ENABLE | 1801 ANA_SG_CONFIG_REG_3_LIST_LENGTH(sgi->num_entries) | 1802 ANA_SG_CONFIG_REG_3_INIT_GATE_STATE | 1803 ANA_SG_CONFIG_REG_3_BASE_TIME_SEC_MSB(val), 1804 ANA_SG_CONFIG_REG_3); 1805 1806 ocelot_write(ocelot, sgi->cycletime, ANA_SG_CONFIG_REG_4); 1807 1808 e = sgi->entries; 1809 for (i = 0; i < sgi->num_entries; i++) { 1810 u32 ips = (e[i].ipv < 0) ? 0 : (e[i].ipv + 8); 1811 1812 ocelot_write_rix(ocelot, ANA_SG_GCL_GS_CONFIG_IPS(ips) | 1813 (e[i].gate_state ? 1814 ANA_SG_GCL_GS_CONFIG_GATE_STATE : 0), 1815 ANA_SG_GCL_GS_CONFIG, i); 1816 1817 interval_sum += e[i].interval; 1818 ocelot_write_rix(ocelot, interval_sum, ANA_SG_GCL_TI_CONFIG, i); 1819 } 1820 1821 ocelot_rmw(ocelot, ANA_SG_ACCESS_CTRL_CONFIG_CHANGE, 1822 ANA_SG_ACCESS_CTRL_CONFIG_CHANGE, 1823 ANA_SG_ACCESS_CTRL); 1824 1825 return readx_poll_timeout(vsc9959_sgi_cfg_status, ocelot, val, 1826 (!(ANA_SG_ACCESS_CTRL_CONFIG_CHANGE & val)), 1827 10, 100000); 1828 } 1829 1830 static int vsc9959_psfp_sgi_table_add(struct ocelot *ocelot, 1831 struct felix_stream_gate *sgi) 1832 { 1833 struct felix_stream_gate_entry *tmp; 1834 struct ocelot_psfp_list *psfp; 1835 int ret; 1836 1837 psfp = &ocelot->psfp; 1838 1839 list_for_each_entry(tmp, &psfp->sgi_list, list) 1840 if (tmp->index == sgi->index) { 1841 refcount_inc(&tmp->refcount); 1842 return 0; 1843 } 1844 1845 tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); 1846 if (!tmp) 1847 return -ENOMEM; 1848 1849 ret = vsc9959_psfp_sgi_set(ocelot, sgi); 1850 if (ret) { 1851 kfree(tmp); 1852 return ret; 1853 } 1854 1855 tmp->index = sgi->index; 1856 refcount_set(&tmp->refcount, 1); 1857 list_add_tail(&tmp->list, &psfp->sgi_list); 1858 1859 return 0; 1860 } 1861 1862 static void vsc9959_psfp_sgi_table_del(struct ocelot *ocelot, 1863 u32 index) 1864 { 1865 struct felix_stream_gate_entry *tmp, *n; 1866 struct felix_stream_gate sgi = {0}; 1867 struct ocelot_psfp_list *psfp; 1868 u8 z; 1869 1870 psfp = &ocelot->psfp; 1871 1872 list_for_each_entry_safe(tmp, n, &psfp->sgi_list, list) 1873 if (tmp->index == index) { 1874 z = refcount_dec_and_test(&tmp->refcount); 1875 if (z) { 1876 sgi.index = index; 1877 sgi.enable = 0; 1878 vsc9959_psfp_sgi_set(ocelot, &sgi); 1879 list_del(&tmp->list); 1880 kfree(tmp); 1881 } 1882 break; 1883 } 1884 } 1885 1886 static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index, 1887 struct felix_stream_filter_counters *counters) 1888 { 1889 mutex_lock(&ocelot->stats_lock); 1890 1891 ocelot_rmw(ocelot, SYS_STAT_CFG_STAT_VIEW(index), 1892 SYS_STAT_CFG_STAT_VIEW_M, 1893 SYS_STAT_CFG); 1894 1895 counters->match = ocelot_read_gix(ocelot, SYS_CNT, 0x200); 1896 counters->not_pass_gate = ocelot_read_gix(ocelot, SYS_CNT, 0x201); 1897 counters->not_pass_sdu = ocelot_read_gix(ocelot, SYS_CNT, 0x202); 1898 counters->red = ocelot_read_gix(ocelot, SYS_CNT, 0x203); 1899 1900 /* Clear the PSFP counter. */ 1901 ocelot_write(ocelot, 1902 SYS_STAT_CFG_STAT_VIEW(index) | 1903 SYS_STAT_CFG_STAT_CLEAR_SHOT(0x10), 1904 SYS_STAT_CFG); 1905 1906 mutex_unlock(&ocelot->stats_lock); 1907 } 1908 1909 static int vsc9959_psfp_filter_add(struct ocelot *ocelot, int port, 1910 struct flow_cls_offload *f) 1911 { 1912 struct netlink_ext_ack *extack = f->common.extack; 1913 struct felix_stream_filter old_sfi, *sfi_entry; 1914 struct felix_stream_filter sfi = {0}; 1915 const struct flow_action_entry *a; 1916 struct felix_stream *stream_entry; 1917 struct felix_stream stream = {0}; 1918 struct felix_stream_gate *sgi; 1919 struct ocelot_psfp_list *psfp; 1920 struct ocelot_policer pol; 1921 int ret, i, size; 1922 u64 rate, burst; 1923 u32 index; 1924 1925 psfp = &ocelot->psfp; 1926 1927 ret = vsc9959_stream_identify(f, &stream); 1928 if (ret) { 1929 NL_SET_ERR_MSG_MOD(extack, "Only can match on VID, PCP, and dest MAC"); 1930 return ret; 1931 } 1932 1933 flow_action_for_each(i, a, &f->rule->action) { 1934 switch (a->id) { 1935 case FLOW_ACTION_GATE: 1936 size = struct_size(sgi, entries, a->gate.num_entries); 1937 sgi = kzalloc(size, GFP_KERNEL); 1938 if (!sgi) { 1939 ret = -ENOMEM; 1940 goto err; 1941 } 1942 vsc9959_psfp_parse_gate(a, sgi); 1943 ret = vsc9959_psfp_sgi_table_add(ocelot, sgi); 1944 if (ret) { 1945 kfree(sgi); 1946 goto err; 1947 } 1948 sfi.sg_valid = 1; 1949 sfi.sgid = sgi->index; 1950 kfree(sgi); 1951 break; 1952 case FLOW_ACTION_POLICE: 1953 index = a->hw_index + VSC9959_PSFP_POLICER_BASE; 1954 if (index > VSC9959_PSFP_POLICER_MAX) { 1955 ret = -EINVAL; 1956 goto err; 1957 } 1958 1959 rate = a->police.rate_bytes_ps; 1960 burst = rate * PSCHED_NS2TICKS(a->police.burst); 1961 pol = (struct ocelot_policer) { 1962 .burst = div_u64(burst, PSCHED_TICKS_PER_SEC), 1963 .rate = div_u64(rate, 1000) * 8, 1964 }; 1965 ret = ocelot_vcap_policer_add(ocelot, index, &pol); 1966 if (ret) 1967 goto err; 1968 1969 sfi.fm_valid = 1; 1970 sfi.fmid = index; 1971 sfi.maxsdu = a->police.mtu; 1972 break; 1973 default: 1974 return -EOPNOTSUPP; 1975 } 1976 } 1977 1978 stream.ports = BIT(port); 1979 stream.port = port; 1980 1981 sfi.portmask = stream.ports; 1982 sfi.prio_valid = (stream.prio < 0 ? 0 : 1); 1983 sfi.prio = (sfi.prio_valid ? stream.prio : 0); 1984 sfi.enable = 1; 1985 1986 /* Check if stream is set. */ 1987 stream_entry = vsc9959_stream_table_lookup(&psfp->stream_list, &stream); 1988 if (stream_entry) { 1989 if (stream_entry->ports & BIT(port)) { 1990 NL_SET_ERR_MSG_MOD(extack, 1991 "The stream is added on this port"); 1992 ret = -EEXIST; 1993 goto err; 1994 } 1995 1996 if (stream_entry->ports != BIT(stream_entry->port)) { 1997 NL_SET_ERR_MSG_MOD(extack, 1998 "The stream is added on two ports"); 1999 ret = -EEXIST; 2000 goto err; 2001 } 2002 2003 stream_entry->ports |= BIT(port); 2004 stream.ports = stream_entry->ports; 2005 2006 sfi_entry = vsc9959_psfp_sfi_table_get(&psfp->sfi_list, 2007 stream_entry->sfid); 2008 memcpy(&old_sfi, sfi_entry, sizeof(old_sfi)); 2009 2010 vsc9959_psfp_sfi_table_del(ocelot, stream_entry->sfid); 2011 2012 old_sfi.portmask = stream_entry->ports; 2013 sfi.portmask = stream.ports; 2014 2015 if (stream_entry->port > port) { 2016 ret = vsc9959_psfp_sfi_table_add2(ocelot, &sfi, 2017 &old_sfi); 2018 stream_entry->dummy = true; 2019 } else { 2020 ret = vsc9959_psfp_sfi_table_add2(ocelot, &old_sfi, 2021 &sfi); 2022 stream.dummy = true; 2023 } 2024 if (ret) 2025 goto err; 2026 2027 stream_entry->sfid = old_sfi.index; 2028 } else { 2029 ret = vsc9959_psfp_sfi_table_add(ocelot, &sfi); 2030 if (ret) 2031 goto err; 2032 } 2033 2034 stream.sfid = sfi.index; 2035 stream.sfid_valid = 1; 2036 ret = vsc9959_stream_table_add(ocelot, &psfp->stream_list, 2037 &stream, extack); 2038 if (ret) { 2039 vsc9959_psfp_sfi_table_del(ocelot, stream.sfid); 2040 goto err; 2041 } 2042 2043 return 0; 2044 2045 err: 2046 if (sfi.sg_valid) 2047 vsc9959_psfp_sgi_table_del(ocelot, sfi.sgid); 2048 2049 if (sfi.fm_valid) 2050 ocelot_vcap_policer_del(ocelot, sfi.fmid); 2051 2052 return ret; 2053 } 2054 2055 static int vsc9959_psfp_filter_del(struct ocelot *ocelot, 2056 struct flow_cls_offload *f) 2057 { 2058 struct felix_stream *stream, tmp, *stream_entry; 2059 static struct felix_stream_filter *sfi; 2060 struct ocelot_psfp_list *psfp; 2061 2062 psfp = &ocelot->psfp; 2063 2064 stream = vsc9959_stream_table_get(&psfp->stream_list, f->cookie); 2065 if (!stream) 2066 return -ENOMEM; 2067 2068 sfi = vsc9959_psfp_sfi_table_get(&psfp->sfi_list, stream->sfid); 2069 if (!sfi) 2070 return -ENOMEM; 2071 2072 if (sfi->sg_valid) 2073 vsc9959_psfp_sgi_table_del(ocelot, sfi->sgid); 2074 2075 if (sfi->fm_valid) 2076 ocelot_vcap_policer_del(ocelot, sfi->fmid); 2077 2078 vsc9959_psfp_sfi_table_del(ocelot, stream->sfid); 2079 2080 memcpy(&tmp, stream, sizeof(tmp)); 2081 2082 stream->sfid_valid = 0; 2083 vsc9959_stream_table_del(ocelot, stream); 2084 2085 stream_entry = vsc9959_stream_table_lookup(&psfp->stream_list, &tmp); 2086 if (stream_entry) { 2087 stream_entry->ports = BIT(stream_entry->port); 2088 if (stream_entry->dummy) { 2089 stream_entry->dummy = false; 2090 vsc9959_mact_stream_set(ocelot, stream_entry, NULL); 2091 } 2092 vsc9959_psfp_sfidmask_set(ocelot, stream_entry->sfid, 2093 stream_entry->ports); 2094 } 2095 2096 return 0; 2097 } 2098 2099 static int vsc9959_psfp_stats_get(struct ocelot *ocelot, 2100 struct flow_cls_offload *f, 2101 struct flow_stats *stats) 2102 { 2103 struct felix_stream_filter_counters counters; 2104 struct ocelot_psfp_list *psfp; 2105 struct felix_stream *stream; 2106 2107 psfp = &ocelot->psfp; 2108 stream = vsc9959_stream_table_get(&psfp->stream_list, f->cookie); 2109 if (!stream) 2110 return -ENOMEM; 2111 2112 vsc9959_psfp_counters_get(ocelot, stream->sfid, &counters); 2113 2114 stats->pkts = counters.match; 2115 stats->drops = counters.not_pass_gate + counters.not_pass_sdu + 2116 counters.red; 2117 2118 return 0; 2119 } 2120 2121 static void vsc9959_psfp_init(struct ocelot *ocelot) 2122 { 2123 struct ocelot_psfp_list *psfp = &ocelot->psfp; 2124 2125 INIT_LIST_HEAD(&psfp->stream_list); 2126 INIT_LIST_HEAD(&psfp->sfi_list); 2127 INIT_LIST_HEAD(&psfp->sgi_list); 2128 } 2129 2130 /* When using cut-through forwarding and the egress port runs at a higher data 2131 * rate than the ingress port, the packet currently under transmission would 2132 * suffer an underrun since it would be transmitted faster than it is received. 2133 * The Felix switch implementation of cut-through forwarding does not check in 2134 * hardware whether this condition is satisfied or not, so we must restrict the 2135 * list of ports that have cut-through forwarding enabled on egress to only be 2136 * the ports operating at the lowest link speed within their respective 2137 * forwarding domain. 2138 */ 2139 static void vsc9959_cut_through_fwd(struct ocelot *ocelot) 2140 { 2141 struct felix *felix = ocelot_to_felix(ocelot); 2142 struct dsa_switch *ds = felix->ds; 2143 int port, other_port; 2144 2145 lockdep_assert_held(&ocelot->fwd_domain_lock); 2146 2147 for (port = 0; port < ocelot->num_phys_ports; port++) { 2148 struct ocelot_port *ocelot_port = ocelot->ports[port]; 2149 int min_speed = ocelot_port->speed; 2150 unsigned long mask = 0; 2151 u32 tmp, val = 0; 2152 2153 /* Disable cut-through on ports that are down */ 2154 if (ocelot_port->speed <= 0) 2155 goto set; 2156 2157 if (dsa_is_cpu_port(ds, port)) { 2158 /* Ocelot switches forward from the NPI port towards 2159 * any port, regardless of it being in the NPI port's 2160 * forwarding domain or not. 2161 */ 2162 mask = dsa_user_ports(ds); 2163 } else { 2164 mask = ocelot_get_bridge_fwd_mask(ocelot, port); 2165 mask &= ~BIT(port); 2166 if (ocelot->npi >= 0) 2167 mask |= BIT(ocelot->npi); 2168 else 2169 mask |= ocelot_port_assigned_dsa_8021q_cpu_mask(ocelot, 2170 port); 2171 } 2172 2173 /* Calculate the minimum link speed, among the ports that are 2174 * up, of this source port's forwarding domain. 2175 */ 2176 for_each_set_bit(other_port, &mask, ocelot->num_phys_ports) { 2177 struct ocelot_port *other_ocelot_port; 2178 2179 other_ocelot_port = ocelot->ports[other_port]; 2180 if (other_ocelot_port->speed <= 0) 2181 continue; 2182 2183 if (min_speed > other_ocelot_port->speed) 2184 min_speed = other_ocelot_port->speed; 2185 } 2186 2187 /* Enable cut-through forwarding for all traffic classes. */ 2188 if (ocelot_port->speed == min_speed) 2189 val = GENMASK(7, 0); 2190 2191 set: 2192 tmp = ocelot_read_rix(ocelot, ANA_CUT_THRU_CFG, port); 2193 if (tmp == val) 2194 continue; 2195 2196 dev_dbg(ocelot->dev, 2197 "port %d fwd mask 0x%lx speed %d min_speed %d, %s cut-through forwarding\n", 2198 port, mask, ocelot_port->speed, min_speed, 2199 val ? "enabling" : "disabling"); 2200 2201 ocelot_write_rix(ocelot, val, ANA_CUT_THRU_CFG, port); 2202 } 2203 } 2204 2205 static const struct ocelot_ops vsc9959_ops = { 2206 .reset = vsc9959_reset, 2207 .wm_enc = vsc9959_wm_enc, 2208 .wm_dec = vsc9959_wm_dec, 2209 .wm_stat = vsc9959_wm_stat, 2210 .port_to_netdev = felix_port_to_netdev, 2211 .netdev_to_port = felix_netdev_to_port, 2212 .psfp_init = vsc9959_psfp_init, 2213 .psfp_filter_add = vsc9959_psfp_filter_add, 2214 .psfp_filter_del = vsc9959_psfp_filter_del, 2215 .psfp_stats_get = vsc9959_psfp_stats_get, 2216 .cut_through_fwd = vsc9959_cut_through_fwd, 2217 }; 2218 2219 static const struct felix_info felix_info_vsc9959 = { 2220 .target_io_res = vsc9959_target_io_res, 2221 .port_io_res = vsc9959_port_io_res, 2222 .imdio_res = &vsc9959_imdio_res, 2223 .regfields = vsc9959_regfields, 2224 .map = vsc9959_regmap, 2225 .ops = &vsc9959_ops, 2226 .stats_layout = vsc9959_stats_layout, 2227 .vcap = vsc9959_vcap_props, 2228 .vcap_pol_base = VSC9959_VCAP_POLICER_BASE, 2229 .vcap_pol_max = VSC9959_VCAP_POLICER_MAX, 2230 .vcap_pol_base2 = 0, 2231 .vcap_pol_max2 = 0, 2232 .num_mact_rows = 2048, 2233 .num_ports = VSC9959_NUM_PORTS, 2234 .num_tx_queues = OCELOT_NUM_TC, 2235 .quirk_no_xtr_irq = true, 2236 .ptp_caps = &vsc9959_ptp_caps, 2237 .mdio_bus_alloc = vsc9959_mdio_bus_alloc, 2238 .mdio_bus_free = vsc9959_mdio_bus_free, 2239 .phylink_validate = vsc9959_phylink_validate, 2240 .port_modes = vsc9959_port_modes, 2241 .port_setup_tc = vsc9959_port_setup_tc, 2242 .port_sched_speed_set = vsc9959_sched_speed_set, 2243 .init_regmap = ocelot_regmap_init, 2244 }; 2245 2246 static irqreturn_t felix_irq_handler(int irq, void *data) 2247 { 2248 struct ocelot *ocelot = (struct ocelot *)data; 2249 2250 /* The INTB interrupt is used for both PTP TX timestamp interrupt 2251 * and preemption status change interrupt on each port. 2252 * 2253 * - Get txtstamp if have 2254 * - TODO: handle preemption. Without handling it, driver may get 2255 * interrupt storm. 2256 */ 2257 2258 ocelot_get_txtstamp(ocelot); 2259 2260 return IRQ_HANDLED; 2261 } 2262 2263 static int felix_pci_probe(struct pci_dev *pdev, 2264 const struct pci_device_id *id) 2265 { 2266 struct dsa_switch *ds; 2267 struct ocelot *ocelot; 2268 struct felix *felix; 2269 int err; 2270 2271 if (pdev->dev.of_node && !of_device_is_available(pdev->dev.of_node)) { 2272 dev_info(&pdev->dev, "device is disabled, skipping\n"); 2273 return -ENODEV; 2274 } 2275 2276 err = pci_enable_device(pdev); 2277 if (err) { 2278 dev_err(&pdev->dev, "device enable failed\n"); 2279 goto err_pci_enable; 2280 } 2281 2282 felix = kzalloc(sizeof(struct felix), GFP_KERNEL); 2283 if (!felix) { 2284 err = -ENOMEM; 2285 dev_err(&pdev->dev, "Failed to allocate driver memory\n"); 2286 goto err_alloc_felix; 2287 } 2288 2289 pci_set_drvdata(pdev, felix); 2290 ocelot = &felix->ocelot; 2291 ocelot->dev = &pdev->dev; 2292 ocelot->num_flooding_pgids = OCELOT_NUM_TC; 2293 felix->info = &felix_info_vsc9959; 2294 felix->switch_base = pci_resource_start(pdev, VSC9959_SWITCH_PCI_BAR); 2295 felix->imdio_base = pci_resource_start(pdev, VSC9959_IMDIO_PCI_BAR); 2296 2297 pci_set_master(pdev); 2298 2299 err = devm_request_threaded_irq(&pdev->dev, pdev->irq, NULL, 2300 &felix_irq_handler, IRQF_ONESHOT, 2301 "felix-intb", ocelot); 2302 if (err) { 2303 dev_err(&pdev->dev, "Failed to request irq\n"); 2304 goto err_alloc_irq; 2305 } 2306 2307 ocelot->ptp = 1; 2308 2309 ds = kzalloc(sizeof(struct dsa_switch), GFP_KERNEL); 2310 if (!ds) { 2311 err = -ENOMEM; 2312 dev_err(&pdev->dev, "Failed to allocate DSA switch\n"); 2313 goto err_alloc_ds; 2314 } 2315 2316 ds->dev = &pdev->dev; 2317 ds->num_ports = felix->info->num_ports; 2318 ds->num_tx_queues = felix->info->num_tx_queues; 2319 ds->ops = &felix_switch_ops; 2320 ds->priv = ocelot; 2321 felix->ds = ds; 2322 felix->tag_proto = DSA_TAG_PROTO_OCELOT; 2323 2324 err = dsa_register_switch(ds); 2325 if (err) { 2326 dev_err_probe(&pdev->dev, err, "Failed to register DSA switch\n"); 2327 goto err_register_ds; 2328 } 2329 2330 return 0; 2331 2332 err_register_ds: 2333 kfree(ds); 2334 err_alloc_ds: 2335 err_alloc_irq: 2336 kfree(felix); 2337 err_alloc_felix: 2338 pci_disable_device(pdev); 2339 err_pci_enable: 2340 return err; 2341 } 2342 2343 static void felix_pci_remove(struct pci_dev *pdev) 2344 { 2345 struct felix *felix = pci_get_drvdata(pdev); 2346 2347 if (!felix) 2348 return; 2349 2350 dsa_unregister_switch(felix->ds); 2351 2352 kfree(felix->ds); 2353 kfree(felix); 2354 2355 pci_disable_device(pdev); 2356 2357 pci_set_drvdata(pdev, NULL); 2358 } 2359 2360 static void felix_pci_shutdown(struct pci_dev *pdev) 2361 { 2362 struct felix *felix = pci_get_drvdata(pdev); 2363 2364 if (!felix) 2365 return; 2366 2367 dsa_switch_shutdown(felix->ds); 2368 2369 pci_set_drvdata(pdev, NULL); 2370 } 2371 2372 static struct pci_device_id felix_ids[] = { 2373 { 2374 /* NXP LS1028A */ 2375 PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0xEEF0), 2376 }, 2377 { 0, } 2378 }; 2379 MODULE_DEVICE_TABLE(pci, felix_ids); 2380 2381 static struct pci_driver felix_vsc9959_pci_driver = { 2382 .name = "mscc_felix", 2383 .id_table = felix_ids, 2384 .probe = felix_pci_probe, 2385 .remove = felix_pci_remove, 2386 .shutdown = felix_pci_shutdown, 2387 }; 2388 module_pci_driver(felix_vsc9959_pci_driver); 2389 2390 MODULE_DESCRIPTION("Felix Switch driver"); 2391 MODULE_LICENSE("GPL v2"); 2392