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_2500BASEX | \ 32 OCELOT_PORT_MODE_USXGMII) 33 34 static const u32 vsc9959_port_modes[VSC9959_NUM_PORTS] = { 35 VSC9959_PORT_MODE_SERDES, 36 VSC9959_PORT_MODE_SERDES, 37 VSC9959_PORT_MODE_SERDES, 38 VSC9959_PORT_MODE_SERDES, 39 OCELOT_PORT_MODE_INTERNAL, 40 OCELOT_PORT_MODE_INTERNAL, 41 }; 42 43 static const u32 vsc9959_ana_regmap[] = { 44 REG(ANA_ADVLEARN, 0x0089a0), 45 REG(ANA_VLANMASK, 0x0089a4), 46 REG_RESERVED(ANA_PORT_B_DOMAIN), 47 REG(ANA_ANAGEFIL, 0x0089ac), 48 REG(ANA_ANEVENTS, 0x0089b0), 49 REG(ANA_STORMLIMIT_BURST, 0x0089b4), 50 REG(ANA_STORMLIMIT_CFG, 0x0089b8), 51 REG(ANA_ISOLATED_PORTS, 0x0089c8), 52 REG(ANA_COMMUNITY_PORTS, 0x0089cc), 53 REG(ANA_AUTOAGE, 0x0089d0), 54 REG(ANA_MACTOPTIONS, 0x0089d4), 55 REG(ANA_LEARNDISC, 0x0089d8), 56 REG(ANA_AGENCTRL, 0x0089dc), 57 REG(ANA_MIRRORPORTS, 0x0089e0), 58 REG(ANA_EMIRRORPORTS, 0x0089e4), 59 REG(ANA_FLOODING, 0x0089e8), 60 REG(ANA_FLOODING_IPMC, 0x008a08), 61 REG(ANA_SFLOW_CFG, 0x008a0c), 62 REG(ANA_PORT_MODE, 0x008a28), 63 REG(ANA_CUT_THRU_CFG, 0x008a48), 64 REG(ANA_PGID_PGID, 0x008400), 65 REG(ANA_TABLES_ANMOVED, 0x007f1c), 66 REG(ANA_TABLES_MACHDATA, 0x007f20), 67 REG(ANA_TABLES_MACLDATA, 0x007f24), 68 REG(ANA_TABLES_STREAMDATA, 0x007f28), 69 REG(ANA_TABLES_MACACCESS, 0x007f2c), 70 REG(ANA_TABLES_MACTINDX, 0x007f30), 71 REG(ANA_TABLES_VLANACCESS, 0x007f34), 72 REG(ANA_TABLES_VLANTIDX, 0x007f38), 73 REG(ANA_TABLES_ISDXACCESS, 0x007f3c), 74 REG(ANA_TABLES_ISDXTIDX, 0x007f40), 75 REG(ANA_TABLES_ENTRYLIM, 0x007f00), 76 REG(ANA_TABLES_PTP_ID_HIGH, 0x007f44), 77 REG(ANA_TABLES_PTP_ID_LOW, 0x007f48), 78 REG(ANA_TABLES_STREAMACCESS, 0x007f4c), 79 REG(ANA_TABLES_STREAMTIDX, 0x007f50), 80 REG(ANA_TABLES_SEQ_HISTORY, 0x007f54), 81 REG(ANA_TABLES_SEQ_MASK, 0x007f58), 82 REG(ANA_TABLES_SFID_MASK, 0x007f5c), 83 REG(ANA_TABLES_SFIDACCESS, 0x007f60), 84 REG(ANA_TABLES_SFIDTIDX, 0x007f64), 85 REG(ANA_MSTI_STATE, 0x008600), 86 REG(ANA_OAM_UPM_LM_CNT, 0x008000), 87 REG(ANA_SG_ACCESS_CTRL, 0x008a64), 88 REG(ANA_SG_CONFIG_REG_1, 0x007fb0), 89 REG(ANA_SG_CONFIG_REG_2, 0x007fb4), 90 REG(ANA_SG_CONFIG_REG_3, 0x007fb8), 91 REG(ANA_SG_CONFIG_REG_4, 0x007fbc), 92 REG(ANA_SG_CONFIG_REG_5, 0x007fc0), 93 REG(ANA_SG_GCL_GS_CONFIG, 0x007f80), 94 REG(ANA_SG_GCL_TI_CONFIG, 0x007f90), 95 REG(ANA_SG_STATUS_REG_1, 0x008980), 96 REG(ANA_SG_STATUS_REG_2, 0x008984), 97 REG(ANA_SG_STATUS_REG_3, 0x008988), 98 REG(ANA_PORT_VLAN_CFG, 0x007800), 99 REG(ANA_PORT_DROP_CFG, 0x007804), 100 REG(ANA_PORT_QOS_CFG, 0x007808), 101 REG(ANA_PORT_VCAP_CFG, 0x00780c), 102 REG(ANA_PORT_VCAP_S1_KEY_CFG, 0x007810), 103 REG(ANA_PORT_VCAP_S2_CFG, 0x00781c), 104 REG(ANA_PORT_PCP_DEI_MAP, 0x007820), 105 REG(ANA_PORT_CPU_FWD_CFG, 0x007860), 106 REG(ANA_PORT_CPU_FWD_BPDU_CFG, 0x007864), 107 REG(ANA_PORT_CPU_FWD_GARP_CFG, 0x007868), 108 REG(ANA_PORT_CPU_FWD_CCM_CFG, 0x00786c), 109 REG(ANA_PORT_PORT_CFG, 0x007870), 110 REG(ANA_PORT_POL_CFG, 0x007874), 111 REG(ANA_PORT_PTP_CFG, 0x007878), 112 REG(ANA_PORT_PTP_DLY1_CFG, 0x00787c), 113 REG(ANA_PORT_PTP_DLY2_CFG, 0x007880), 114 REG(ANA_PORT_SFID_CFG, 0x007884), 115 REG(ANA_PFC_PFC_CFG, 0x008800), 116 REG_RESERVED(ANA_PFC_PFC_TIMER), 117 REG_RESERVED(ANA_IPT_OAM_MEP_CFG), 118 REG_RESERVED(ANA_IPT_IPT), 119 REG_RESERVED(ANA_PPT_PPT), 120 REG_RESERVED(ANA_FID_MAP_FID_MAP), 121 REG(ANA_AGGR_CFG, 0x008a68), 122 REG(ANA_CPUQ_CFG, 0x008a6c), 123 REG_RESERVED(ANA_CPUQ_CFG2), 124 REG(ANA_CPUQ_8021_CFG, 0x008a74), 125 REG(ANA_DSCP_CFG, 0x008ab4), 126 REG(ANA_DSCP_REWR_CFG, 0x008bb4), 127 REG(ANA_VCAP_RNG_TYPE_CFG, 0x008bf4), 128 REG(ANA_VCAP_RNG_VAL_CFG, 0x008c14), 129 REG_RESERVED(ANA_VRAP_CFG), 130 REG_RESERVED(ANA_VRAP_HDR_DATA), 131 REG_RESERVED(ANA_VRAP_HDR_MASK), 132 REG(ANA_DISCARD_CFG, 0x008c40), 133 REG(ANA_FID_CFG, 0x008c44), 134 REG(ANA_POL_PIR_CFG, 0x004000), 135 REG(ANA_POL_CIR_CFG, 0x004004), 136 REG(ANA_POL_MODE_CFG, 0x004008), 137 REG(ANA_POL_PIR_STATE, 0x00400c), 138 REG(ANA_POL_CIR_STATE, 0x004010), 139 REG_RESERVED(ANA_POL_STATE), 140 REG(ANA_POL_FLOWC, 0x008c48), 141 REG(ANA_POL_HYST, 0x008cb4), 142 REG_RESERVED(ANA_POL_MISC_CFG), 143 }; 144 145 static const u32 vsc9959_qs_regmap[] = { 146 REG(QS_XTR_GRP_CFG, 0x000000), 147 REG(QS_XTR_RD, 0x000008), 148 REG(QS_XTR_FRM_PRUNING, 0x000010), 149 REG(QS_XTR_FLUSH, 0x000018), 150 REG(QS_XTR_DATA_PRESENT, 0x00001c), 151 REG(QS_XTR_CFG, 0x000020), 152 REG(QS_INJ_GRP_CFG, 0x000024), 153 REG(QS_INJ_WR, 0x00002c), 154 REG(QS_INJ_CTRL, 0x000034), 155 REG(QS_INJ_STATUS, 0x00003c), 156 REG(QS_INJ_ERR, 0x000040), 157 REG_RESERVED(QS_INH_DBG), 158 }; 159 160 static const u32 vsc9959_vcap_regmap[] = { 161 /* VCAP_CORE_CFG */ 162 REG(VCAP_CORE_UPDATE_CTRL, 0x000000), 163 REG(VCAP_CORE_MV_CFG, 0x000004), 164 /* VCAP_CORE_CACHE */ 165 REG(VCAP_CACHE_ENTRY_DAT, 0x000008), 166 REG(VCAP_CACHE_MASK_DAT, 0x000108), 167 REG(VCAP_CACHE_ACTION_DAT, 0x000208), 168 REG(VCAP_CACHE_CNT_DAT, 0x000308), 169 REG(VCAP_CACHE_TG_DAT, 0x000388), 170 /* VCAP_CONST */ 171 REG(VCAP_CONST_VCAP_VER, 0x000398), 172 REG(VCAP_CONST_ENTRY_WIDTH, 0x00039c), 173 REG(VCAP_CONST_ENTRY_CNT, 0x0003a0), 174 REG(VCAP_CONST_ENTRY_SWCNT, 0x0003a4), 175 REG(VCAP_CONST_ENTRY_TG_WIDTH, 0x0003a8), 176 REG(VCAP_CONST_ACTION_DEF_CNT, 0x0003ac), 177 REG(VCAP_CONST_ACTION_WIDTH, 0x0003b0), 178 REG(VCAP_CONST_CNT_WIDTH, 0x0003b4), 179 REG(VCAP_CONST_CORE_CNT, 0x0003b8), 180 REG(VCAP_CONST_IF_CNT, 0x0003bc), 181 }; 182 183 static const u32 vsc9959_qsys_regmap[] = { 184 REG(QSYS_PORT_MODE, 0x00f460), 185 REG(QSYS_SWITCH_PORT_MODE, 0x00f480), 186 REG(QSYS_STAT_CNT_CFG, 0x00f49c), 187 REG(QSYS_EEE_CFG, 0x00f4a0), 188 REG(QSYS_EEE_THRES, 0x00f4b8), 189 REG(QSYS_IGR_NO_SHARING, 0x00f4bc), 190 REG(QSYS_EGR_NO_SHARING, 0x00f4c0), 191 REG(QSYS_SW_STATUS, 0x00f4c4), 192 REG(QSYS_EXT_CPU_CFG, 0x00f4e0), 193 REG_RESERVED(QSYS_PAD_CFG), 194 REG(QSYS_CPU_GROUP_MAP, 0x00f4e8), 195 REG_RESERVED(QSYS_QMAP), 196 REG_RESERVED(QSYS_ISDX_SGRP), 197 REG_RESERVED(QSYS_TIMED_FRAME_ENTRY), 198 REG(QSYS_TFRM_MISC, 0x00f50c), 199 REG(QSYS_TFRM_PORT_DLY, 0x00f510), 200 REG(QSYS_TFRM_TIMER_CFG_1, 0x00f514), 201 REG(QSYS_TFRM_TIMER_CFG_2, 0x00f518), 202 REG(QSYS_TFRM_TIMER_CFG_3, 0x00f51c), 203 REG(QSYS_TFRM_TIMER_CFG_4, 0x00f520), 204 REG(QSYS_TFRM_TIMER_CFG_5, 0x00f524), 205 REG(QSYS_TFRM_TIMER_CFG_6, 0x00f528), 206 REG(QSYS_TFRM_TIMER_CFG_7, 0x00f52c), 207 REG(QSYS_TFRM_TIMER_CFG_8, 0x00f530), 208 REG(QSYS_RED_PROFILE, 0x00f534), 209 REG(QSYS_RES_QOS_MODE, 0x00f574), 210 REG(QSYS_RES_CFG, 0x00c000), 211 REG(QSYS_RES_STAT, 0x00c004), 212 REG(QSYS_EGR_DROP_MODE, 0x00f578), 213 REG(QSYS_EQ_CTRL, 0x00f57c), 214 REG_RESERVED(QSYS_EVENTS_CORE), 215 REG(QSYS_QMAXSDU_CFG_0, 0x00f584), 216 REG(QSYS_QMAXSDU_CFG_1, 0x00f5a0), 217 REG(QSYS_QMAXSDU_CFG_2, 0x00f5bc), 218 REG(QSYS_QMAXSDU_CFG_3, 0x00f5d8), 219 REG(QSYS_QMAXSDU_CFG_4, 0x00f5f4), 220 REG(QSYS_QMAXSDU_CFG_5, 0x00f610), 221 REG(QSYS_QMAXSDU_CFG_6, 0x00f62c), 222 REG(QSYS_QMAXSDU_CFG_7, 0x00f648), 223 REG(QSYS_PREEMPTION_CFG, 0x00f664), 224 REG(QSYS_CIR_CFG, 0x000000), 225 REG(QSYS_EIR_CFG, 0x000004), 226 REG(QSYS_SE_CFG, 0x000008), 227 REG(QSYS_SE_DWRR_CFG, 0x00000c), 228 REG_RESERVED(QSYS_SE_CONNECT), 229 REG(QSYS_SE_DLB_SENSE, 0x000040), 230 REG(QSYS_CIR_STATE, 0x000044), 231 REG(QSYS_EIR_STATE, 0x000048), 232 REG_RESERVED(QSYS_SE_STATE), 233 REG(QSYS_HSCH_MISC_CFG, 0x00f67c), 234 REG(QSYS_TAG_CONFIG, 0x00f680), 235 REG(QSYS_TAS_PARAM_CFG_CTRL, 0x00f698), 236 REG(QSYS_PORT_MAX_SDU, 0x00f69c), 237 REG(QSYS_PARAM_CFG_REG_1, 0x00f440), 238 REG(QSYS_PARAM_CFG_REG_2, 0x00f444), 239 REG(QSYS_PARAM_CFG_REG_3, 0x00f448), 240 REG(QSYS_PARAM_CFG_REG_4, 0x00f44c), 241 REG(QSYS_PARAM_CFG_REG_5, 0x00f450), 242 REG(QSYS_GCL_CFG_REG_1, 0x00f454), 243 REG(QSYS_GCL_CFG_REG_2, 0x00f458), 244 REG(QSYS_PARAM_STATUS_REG_1, 0x00f400), 245 REG(QSYS_PARAM_STATUS_REG_2, 0x00f404), 246 REG(QSYS_PARAM_STATUS_REG_3, 0x00f408), 247 REG(QSYS_PARAM_STATUS_REG_4, 0x00f40c), 248 REG(QSYS_PARAM_STATUS_REG_5, 0x00f410), 249 REG(QSYS_PARAM_STATUS_REG_6, 0x00f414), 250 REG(QSYS_PARAM_STATUS_REG_7, 0x00f418), 251 REG(QSYS_PARAM_STATUS_REG_8, 0x00f41c), 252 REG(QSYS_PARAM_STATUS_REG_9, 0x00f420), 253 REG(QSYS_GCL_STATUS_REG_1, 0x00f424), 254 REG(QSYS_GCL_STATUS_REG_2, 0x00f428), 255 }; 256 257 static const u32 vsc9959_rew_regmap[] = { 258 REG(REW_PORT_VLAN_CFG, 0x000000), 259 REG(REW_TAG_CFG, 0x000004), 260 REG(REW_PORT_CFG, 0x000008), 261 REG(REW_DSCP_CFG, 0x00000c), 262 REG(REW_PCP_DEI_QOS_MAP_CFG, 0x000010), 263 REG(REW_PTP_CFG, 0x000050), 264 REG(REW_PTP_DLY1_CFG, 0x000054), 265 REG(REW_RED_TAG_CFG, 0x000058), 266 REG(REW_DSCP_REMAP_DP1_CFG, 0x000410), 267 REG(REW_DSCP_REMAP_CFG, 0x000510), 268 REG_RESERVED(REW_STAT_CFG), 269 REG_RESERVED(REW_REW_STICKY), 270 REG_RESERVED(REW_PPT), 271 }; 272 273 static const u32 vsc9959_sys_regmap[] = { 274 REG(SYS_COUNT_RX_OCTETS, 0x000000), 275 REG(SYS_COUNT_RX_MULTICAST, 0x000008), 276 REG(SYS_COUNT_RX_SHORTS, 0x000010), 277 REG(SYS_COUNT_RX_FRAGMENTS, 0x000014), 278 REG(SYS_COUNT_RX_JABBERS, 0x000018), 279 REG(SYS_COUNT_RX_64, 0x000024), 280 REG(SYS_COUNT_RX_65_127, 0x000028), 281 REG(SYS_COUNT_RX_128_255, 0x00002c), 282 REG(SYS_COUNT_RX_256_1023, 0x000030), 283 REG(SYS_COUNT_RX_1024_1526, 0x000034), 284 REG(SYS_COUNT_RX_1527_MAX, 0x000038), 285 REG(SYS_COUNT_RX_LONGS, 0x000044), 286 REG(SYS_COUNT_TX_OCTETS, 0x000200), 287 REG(SYS_COUNT_TX_COLLISION, 0x000210), 288 REG(SYS_COUNT_TX_DROPS, 0x000214), 289 REG(SYS_COUNT_TX_64, 0x00021c), 290 REG(SYS_COUNT_TX_65_127, 0x000220), 291 REG(SYS_COUNT_TX_128_511, 0x000224), 292 REG(SYS_COUNT_TX_512_1023, 0x000228), 293 REG(SYS_COUNT_TX_1024_1526, 0x00022c), 294 REG(SYS_COUNT_TX_1527_MAX, 0x000230), 295 REG(SYS_COUNT_TX_AGING, 0x000278), 296 REG(SYS_RESET_CFG, 0x000e00), 297 REG(SYS_SR_ETYPE_CFG, 0x000e04), 298 REG(SYS_VLAN_ETYPE_CFG, 0x000e08), 299 REG(SYS_PORT_MODE, 0x000e0c), 300 REG(SYS_FRONT_PORT_MODE, 0x000e2c), 301 REG(SYS_FRM_AGING, 0x000e44), 302 REG(SYS_STAT_CFG, 0x000e48), 303 REG(SYS_SW_STATUS, 0x000e4c), 304 REG_RESERVED(SYS_MISC_CFG), 305 REG(SYS_REW_MAC_HIGH_CFG, 0x000e6c), 306 REG(SYS_REW_MAC_LOW_CFG, 0x000e84), 307 REG(SYS_TIMESTAMP_OFFSET, 0x000e9c), 308 REG(SYS_PAUSE_CFG, 0x000ea0), 309 REG(SYS_PAUSE_TOT_CFG, 0x000ebc), 310 REG(SYS_ATOP, 0x000ec0), 311 REG(SYS_ATOP_TOT_CFG, 0x000edc), 312 REG(SYS_MAC_FC_CFG, 0x000ee0), 313 REG(SYS_MMGT, 0x000ef8), 314 REG_RESERVED(SYS_MMGT_FAST), 315 REG_RESERVED(SYS_EVENTS_DIF), 316 REG_RESERVED(SYS_EVENTS_CORE), 317 REG(SYS_CNT, 0x000000), 318 REG(SYS_PTP_STATUS, 0x000f14), 319 REG(SYS_PTP_TXSTAMP, 0x000f18), 320 REG(SYS_PTP_NXT, 0x000f1c), 321 REG(SYS_PTP_CFG, 0x000f20), 322 REG(SYS_RAM_INIT, 0x000f24), 323 REG_RESERVED(SYS_CM_ADDR), 324 REG_RESERVED(SYS_CM_DATA_WR), 325 REG_RESERVED(SYS_CM_DATA_RD), 326 REG_RESERVED(SYS_CM_OP), 327 REG_RESERVED(SYS_CM_DATA), 328 }; 329 330 static const u32 vsc9959_ptp_regmap[] = { 331 REG(PTP_PIN_CFG, 0x000000), 332 REG(PTP_PIN_TOD_SEC_MSB, 0x000004), 333 REG(PTP_PIN_TOD_SEC_LSB, 0x000008), 334 REG(PTP_PIN_TOD_NSEC, 0x00000c), 335 REG(PTP_PIN_WF_HIGH_PERIOD, 0x000014), 336 REG(PTP_PIN_WF_LOW_PERIOD, 0x000018), 337 REG(PTP_CFG_MISC, 0x0000a0), 338 REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4), 339 REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8), 340 }; 341 342 static const u32 vsc9959_gcb_regmap[] = { 343 REG(GCB_SOFT_RST, 0x000004), 344 }; 345 346 static const u32 vsc9959_dev_gmii_regmap[] = { 347 REG(DEV_CLOCK_CFG, 0x0), 348 REG(DEV_PORT_MISC, 0x4), 349 REG(DEV_EVENTS, 0x8), 350 REG(DEV_EEE_CFG, 0xc), 351 REG(DEV_RX_PATH_DELAY, 0x10), 352 REG(DEV_TX_PATH_DELAY, 0x14), 353 REG(DEV_PTP_PREDICT_CFG, 0x18), 354 REG(DEV_MAC_ENA_CFG, 0x1c), 355 REG(DEV_MAC_MODE_CFG, 0x20), 356 REG(DEV_MAC_MAXLEN_CFG, 0x24), 357 REG(DEV_MAC_TAGS_CFG, 0x28), 358 REG(DEV_MAC_ADV_CHK_CFG, 0x2c), 359 REG(DEV_MAC_IFG_CFG, 0x30), 360 REG(DEV_MAC_HDX_CFG, 0x34), 361 REG(DEV_MAC_DBG_CFG, 0x38), 362 REG(DEV_MAC_FC_MAC_LOW_CFG, 0x3c), 363 REG(DEV_MAC_FC_MAC_HIGH_CFG, 0x40), 364 REG(DEV_MAC_STICKY, 0x44), 365 REG_RESERVED(PCS1G_CFG), 366 REG_RESERVED(PCS1G_MODE_CFG), 367 REG_RESERVED(PCS1G_SD_CFG), 368 REG_RESERVED(PCS1G_ANEG_CFG), 369 REG_RESERVED(PCS1G_ANEG_NP_CFG), 370 REG_RESERVED(PCS1G_LB_CFG), 371 REG_RESERVED(PCS1G_DBG_CFG), 372 REG_RESERVED(PCS1G_CDET_CFG), 373 REG_RESERVED(PCS1G_ANEG_STATUS), 374 REG_RESERVED(PCS1G_ANEG_NP_STATUS), 375 REG_RESERVED(PCS1G_LINK_STATUS), 376 REG_RESERVED(PCS1G_LINK_DOWN_CNT), 377 REG_RESERVED(PCS1G_STICKY), 378 REG_RESERVED(PCS1G_DEBUG_STATUS), 379 REG_RESERVED(PCS1G_LPI_CFG), 380 REG_RESERVED(PCS1G_LPI_WAKE_ERROR_CNT), 381 REG_RESERVED(PCS1G_LPI_STATUS), 382 REG_RESERVED(PCS1G_TSTPAT_MODE_CFG), 383 REG_RESERVED(PCS1G_TSTPAT_STATUS), 384 REG_RESERVED(DEV_PCS_FX100_CFG), 385 REG_RESERVED(DEV_PCS_FX100_STATUS), 386 }; 387 388 static const u32 *vsc9959_regmap[TARGET_MAX] = { 389 [ANA] = vsc9959_ana_regmap, 390 [QS] = vsc9959_qs_regmap, 391 [QSYS] = vsc9959_qsys_regmap, 392 [REW] = vsc9959_rew_regmap, 393 [SYS] = vsc9959_sys_regmap, 394 [S0] = vsc9959_vcap_regmap, 395 [S1] = vsc9959_vcap_regmap, 396 [S2] = vsc9959_vcap_regmap, 397 [PTP] = vsc9959_ptp_regmap, 398 [GCB] = vsc9959_gcb_regmap, 399 [DEV_GMII] = vsc9959_dev_gmii_regmap, 400 }; 401 402 /* Addresses are relative to the PCI device's base address */ 403 static const struct resource vsc9959_target_io_res[TARGET_MAX] = { 404 [ANA] = { 405 .start = 0x0280000, 406 .end = 0x028ffff, 407 .name = "ana", 408 }, 409 [QS] = { 410 .start = 0x0080000, 411 .end = 0x00800ff, 412 .name = "qs", 413 }, 414 [QSYS] = { 415 .start = 0x0200000, 416 .end = 0x021ffff, 417 .name = "qsys", 418 }, 419 [REW] = { 420 .start = 0x0030000, 421 .end = 0x003ffff, 422 .name = "rew", 423 }, 424 [SYS] = { 425 .start = 0x0010000, 426 .end = 0x001ffff, 427 .name = "sys", 428 }, 429 [S0] = { 430 .start = 0x0040000, 431 .end = 0x00403ff, 432 .name = "s0", 433 }, 434 [S1] = { 435 .start = 0x0050000, 436 .end = 0x00503ff, 437 .name = "s1", 438 }, 439 [S2] = { 440 .start = 0x0060000, 441 .end = 0x00603ff, 442 .name = "s2", 443 }, 444 [PTP] = { 445 .start = 0x0090000, 446 .end = 0x00900cb, 447 .name = "ptp", 448 }, 449 [GCB] = { 450 .start = 0x0070000, 451 .end = 0x00701ff, 452 .name = "devcpu_gcb", 453 }, 454 }; 455 456 static const struct resource vsc9959_port_io_res[] = { 457 { 458 .start = 0x0100000, 459 .end = 0x010ffff, 460 .name = "port0", 461 }, 462 { 463 .start = 0x0110000, 464 .end = 0x011ffff, 465 .name = "port1", 466 }, 467 { 468 .start = 0x0120000, 469 .end = 0x012ffff, 470 .name = "port2", 471 }, 472 { 473 .start = 0x0130000, 474 .end = 0x013ffff, 475 .name = "port3", 476 }, 477 { 478 .start = 0x0140000, 479 .end = 0x014ffff, 480 .name = "port4", 481 }, 482 { 483 .start = 0x0150000, 484 .end = 0x015ffff, 485 .name = "port5", 486 }, 487 }; 488 489 /* Port MAC 0 Internal MDIO bus through which the SerDes acting as an 490 * SGMII/QSGMII MAC PCS can be found. 491 */ 492 static const struct resource vsc9959_imdio_res = { 493 .start = 0x8030, 494 .end = 0x8040, 495 .name = "imdio", 496 }; 497 498 static const struct reg_field vsc9959_regfields[REGFIELD_MAX] = { 499 [ANA_ADVLEARN_VLAN_CHK] = REG_FIELD(ANA_ADVLEARN, 6, 6), 500 [ANA_ADVLEARN_LEARN_MIRROR] = REG_FIELD(ANA_ADVLEARN, 0, 5), 501 [ANA_ANEVENTS_FLOOD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 30, 30), 502 [ANA_ANEVENTS_AUTOAGE] = REG_FIELD(ANA_ANEVENTS, 26, 26), 503 [ANA_ANEVENTS_STORM_DROP] = REG_FIELD(ANA_ANEVENTS, 24, 24), 504 [ANA_ANEVENTS_LEARN_DROP] = REG_FIELD(ANA_ANEVENTS, 23, 23), 505 [ANA_ANEVENTS_AGED_ENTRY] = REG_FIELD(ANA_ANEVENTS, 22, 22), 506 [ANA_ANEVENTS_CPU_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 21, 21), 507 [ANA_ANEVENTS_AUTO_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 20, 20), 508 [ANA_ANEVENTS_LEARN_REMOVE] = REG_FIELD(ANA_ANEVENTS, 19, 19), 509 [ANA_ANEVENTS_AUTO_LEARNED] = REG_FIELD(ANA_ANEVENTS, 18, 18), 510 [ANA_ANEVENTS_AUTO_MOVED] = REG_FIELD(ANA_ANEVENTS, 17, 17), 511 [ANA_ANEVENTS_CLASSIFIED_DROP] = REG_FIELD(ANA_ANEVENTS, 15, 15), 512 [ANA_ANEVENTS_CLASSIFIED_COPY] = REG_FIELD(ANA_ANEVENTS, 14, 14), 513 [ANA_ANEVENTS_VLAN_DISCARD] = REG_FIELD(ANA_ANEVENTS, 13, 13), 514 [ANA_ANEVENTS_FWD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 12, 12), 515 [ANA_ANEVENTS_MULTICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 11, 11), 516 [ANA_ANEVENTS_UNICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 10, 10), 517 [ANA_ANEVENTS_DEST_KNOWN] = REG_FIELD(ANA_ANEVENTS, 9, 9), 518 [ANA_ANEVENTS_BUCKET3_MATCH] = REG_FIELD(ANA_ANEVENTS, 8, 8), 519 [ANA_ANEVENTS_BUCKET2_MATCH] = REG_FIELD(ANA_ANEVENTS, 7, 7), 520 [ANA_ANEVENTS_BUCKET1_MATCH] = REG_FIELD(ANA_ANEVENTS, 6, 6), 521 [ANA_ANEVENTS_BUCKET0_MATCH] = REG_FIELD(ANA_ANEVENTS, 5, 5), 522 [ANA_ANEVENTS_CPU_OPERATION] = REG_FIELD(ANA_ANEVENTS, 4, 4), 523 [ANA_ANEVENTS_DMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 3, 3), 524 [ANA_ANEVENTS_SMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 2, 2), 525 [ANA_ANEVENTS_SEQ_GEN_ERR_0] = REG_FIELD(ANA_ANEVENTS, 1, 1), 526 [ANA_ANEVENTS_SEQ_GEN_ERR_1] = REG_FIELD(ANA_ANEVENTS, 0, 0), 527 [ANA_TABLES_MACACCESS_B_DOM] = REG_FIELD(ANA_TABLES_MACACCESS, 16, 16), 528 [ANA_TABLES_MACTINDX_BUCKET] = REG_FIELD(ANA_TABLES_MACTINDX, 11, 12), 529 [ANA_TABLES_MACTINDX_M_INDEX] = REG_FIELD(ANA_TABLES_MACTINDX, 0, 10), 530 [SYS_RESET_CFG_CORE_ENA] = REG_FIELD(SYS_RESET_CFG, 0, 0), 531 [GCB_SOFT_RST_SWC_RST] = REG_FIELD(GCB_SOFT_RST, 0, 0), 532 /* Replicated per number of ports (7), register size 4 per port */ 533 [QSYS_SWITCH_PORT_MODE_PORT_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 14, 14, 7, 4), 534 [QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 11, 13, 7, 4), 535 [QSYS_SWITCH_PORT_MODE_YEL_RSRVD] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 10, 10, 7, 4), 536 [QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 9, 9, 7, 4), 537 [QSYS_SWITCH_PORT_MODE_TX_PFC_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 1, 8, 7, 4), 538 [QSYS_SWITCH_PORT_MODE_TX_PFC_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 0, 0, 7, 4), 539 [SYS_PORT_MODE_DATA_WO_TS] = REG_FIELD_ID(SYS_PORT_MODE, 5, 6, 7, 4), 540 [SYS_PORT_MODE_INCL_INJ_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 3, 4, 7, 4), 541 [SYS_PORT_MODE_INCL_XTR_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 1, 2, 7, 4), 542 [SYS_PORT_MODE_INCL_HDR_ERR] = REG_FIELD_ID(SYS_PORT_MODE, 0, 0, 7, 4), 543 [SYS_PAUSE_CFG_PAUSE_START] = REG_FIELD_ID(SYS_PAUSE_CFG, 10, 18, 7, 4), 544 [SYS_PAUSE_CFG_PAUSE_STOP] = REG_FIELD_ID(SYS_PAUSE_CFG, 1, 9, 7, 4), 545 [SYS_PAUSE_CFG_PAUSE_ENA] = REG_FIELD_ID(SYS_PAUSE_CFG, 0, 1, 7, 4), 546 }; 547 548 static const struct ocelot_stat_layout vsc9959_stats_layout[] = { 549 { .offset = 0x00, .name = "rx_octets", }, 550 { .offset = 0x01, .name = "rx_unicast", }, 551 { .offset = 0x02, .name = "rx_multicast", }, 552 { .offset = 0x03, .name = "rx_broadcast", }, 553 { .offset = 0x04, .name = "rx_shorts", }, 554 { .offset = 0x05, .name = "rx_fragments", }, 555 { .offset = 0x06, .name = "rx_jabbers", }, 556 { .offset = 0x07, .name = "rx_crc_align_errs", }, 557 { .offset = 0x08, .name = "rx_sym_errs", }, 558 { .offset = 0x09, .name = "rx_frames_below_65_octets", }, 559 { .offset = 0x0A, .name = "rx_frames_65_to_127_octets", }, 560 { .offset = 0x0B, .name = "rx_frames_128_to_255_octets", }, 561 { .offset = 0x0C, .name = "rx_frames_256_to_511_octets", }, 562 { .offset = 0x0D, .name = "rx_frames_512_to_1023_octets", }, 563 { .offset = 0x0E, .name = "rx_frames_1024_to_1526_octets", }, 564 { .offset = 0x0F, .name = "rx_frames_over_1526_octets", }, 565 { .offset = 0x10, .name = "rx_pause", }, 566 { .offset = 0x11, .name = "rx_control", }, 567 { .offset = 0x12, .name = "rx_longs", }, 568 { .offset = 0x13, .name = "rx_classified_drops", }, 569 { .offset = 0x14, .name = "rx_red_prio_0", }, 570 { .offset = 0x15, .name = "rx_red_prio_1", }, 571 { .offset = 0x16, .name = "rx_red_prio_2", }, 572 { .offset = 0x17, .name = "rx_red_prio_3", }, 573 { .offset = 0x18, .name = "rx_red_prio_4", }, 574 { .offset = 0x19, .name = "rx_red_prio_5", }, 575 { .offset = 0x1A, .name = "rx_red_prio_6", }, 576 { .offset = 0x1B, .name = "rx_red_prio_7", }, 577 { .offset = 0x1C, .name = "rx_yellow_prio_0", }, 578 { .offset = 0x1D, .name = "rx_yellow_prio_1", }, 579 { .offset = 0x1E, .name = "rx_yellow_prio_2", }, 580 { .offset = 0x1F, .name = "rx_yellow_prio_3", }, 581 { .offset = 0x20, .name = "rx_yellow_prio_4", }, 582 { .offset = 0x21, .name = "rx_yellow_prio_5", }, 583 { .offset = 0x22, .name = "rx_yellow_prio_6", }, 584 { .offset = 0x23, .name = "rx_yellow_prio_7", }, 585 { .offset = 0x24, .name = "rx_green_prio_0", }, 586 { .offset = 0x25, .name = "rx_green_prio_1", }, 587 { .offset = 0x26, .name = "rx_green_prio_2", }, 588 { .offset = 0x27, .name = "rx_green_prio_3", }, 589 { .offset = 0x28, .name = "rx_green_prio_4", }, 590 { .offset = 0x29, .name = "rx_green_prio_5", }, 591 { .offset = 0x2A, .name = "rx_green_prio_6", }, 592 { .offset = 0x2B, .name = "rx_green_prio_7", }, 593 { .offset = 0x80, .name = "tx_octets", }, 594 { .offset = 0x81, .name = "tx_unicast", }, 595 { .offset = 0x82, .name = "tx_multicast", }, 596 { .offset = 0x83, .name = "tx_broadcast", }, 597 { .offset = 0x84, .name = "tx_collision", }, 598 { .offset = 0x85, .name = "tx_drops", }, 599 { .offset = 0x86, .name = "tx_pause", }, 600 { .offset = 0x87, .name = "tx_frames_below_65_octets", }, 601 { .offset = 0x88, .name = "tx_frames_65_to_127_octets", }, 602 { .offset = 0x89, .name = "tx_frames_128_255_octets", }, 603 { .offset = 0x8B, .name = "tx_frames_256_511_octets", }, 604 { .offset = 0x8C, .name = "tx_frames_1024_1526_octets", }, 605 { .offset = 0x8D, .name = "tx_frames_over_1526_octets", }, 606 { .offset = 0x8E, .name = "tx_yellow_prio_0", }, 607 { .offset = 0x8F, .name = "tx_yellow_prio_1", }, 608 { .offset = 0x90, .name = "tx_yellow_prio_2", }, 609 { .offset = 0x91, .name = "tx_yellow_prio_3", }, 610 { .offset = 0x92, .name = "tx_yellow_prio_4", }, 611 { .offset = 0x93, .name = "tx_yellow_prio_5", }, 612 { .offset = 0x94, .name = "tx_yellow_prio_6", }, 613 { .offset = 0x95, .name = "tx_yellow_prio_7", }, 614 { .offset = 0x96, .name = "tx_green_prio_0", }, 615 { .offset = 0x97, .name = "tx_green_prio_1", }, 616 { .offset = 0x98, .name = "tx_green_prio_2", }, 617 { .offset = 0x99, .name = "tx_green_prio_3", }, 618 { .offset = 0x9A, .name = "tx_green_prio_4", }, 619 { .offset = 0x9B, .name = "tx_green_prio_5", }, 620 { .offset = 0x9C, .name = "tx_green_prio_6", }, 621 { .offset = 0x9D, .name = "tx_green_prio_7", }, 622 { .offset = 0x9E, .name = "tx_aged", }, 623 { .offset = 0x100, .name = "drop_local", }, 624 { .offset = 0x101, .name = "drop_tail", }, 625 { .offset = 0x102, .name = "drop_yellow_prio_0", }, 626 { .offset = 0x103, .name = "drop_yellow_prio_1", }, 627 { .offset = 0x104, .name = "drop_yellow_prio_2", }, 628 { .offset = 0x105, .name = "drop_yellow_prio_3", }, 629 { .offset = 0x106, .name = "drop_yellow_prio_4", }, 630 { .offset = 0x107, .name = "drop_yellow_prio_5", }, 631 { .offset = 0x108, .name = "drop_yellow_prio_6", }, 632 { .offset = 0x109, .name = "drop_yellow_prio_7", }, 633 { .offset = 0x10A, .name = "drop_green_prio_0", }, 634 { .offset = 0x10B, .name = "drop_green_prio_1", }, 635 { .offset = 0x10C, .name = "drop_green_prio_2", }, 636 { .offset = 0x10D, .name = "drop_green_prio_3", }, 637 { .offset = 0x10E, .name = "drop_green_prio_4", }, 638 { .offset = 0x10F, .name = "drop_green_prio_5", }, 639 { .offset = 0x110, .name = "drop_green_prio_6", }, 640 { .offset = 0x111, .name = "drop_green_prio_7", }, 641 }; 642 643 static const struct vcap_field vsc9959_vcap_es0_keys[] = { 644 [VCAP_ES0_EGR_PORT] = { 0, 3}, 645 [VCAP_ES0_IGR_PORT] = { 3, 3}, 646 [VCAP_ES0_RSV] = { 6, 2}, 647 [VCAP_ES0_L2_MC] = { 8, 1}, 648 [VCAP_ES0_L2_BC] = { 9, 1}, 649 [VCAP_ES0_VID] = { 10, 12}, 650 [VCAP_ES0_DP] = { 22, 1}, 651 [VCAP_ES0_PCP] = { 23, 3}, 652 }; 653 654 static const struct vcap_field vsc9959_vcap_es0_actions[] = { 655 [VCAP_ES0_ACT_PUSH_OUTER_TAG] = { 0, 2}, 656 [VCAP_ES0_ACT_PUSH_INNER_TAG] = { 2, 1}, 657 [VCAP_ES0_ACT_TAG_A_TPID_SEL] = { 3, 2}, 658 [VCAP_ES0_ACT_TAG_A_VID_SEL] = { 5, 1}, 659 [VCAP_ES0_ACT_TAG_A_PCP_SEL] = { 6, 2}, 660 [VCAP_ES0_ACT_TAG_A_DEI_SEL] = { 8, 2}, 661 [VCAP_ES0_ACT_TAG_B_TPID_SEL] = { 10, 2}, 662 [VCAP_ES0_ACT_TAG_B_VID_SEL] = { 12, 1}, 663 [VCAP_ES0_ACT_TAG_B_PCP_SEL] = { 13, 2}, 664 [VCAP_ES0_ACT_TAG_B_DEI_SEL] = { 15, 2}, 665 [VCAP_ES0_ACT_VID_A_VAL] = { 17, 12}, 666 [VCAP_ES0_ACT_PCP_A_VAL] = { 29, 3}, 667 [VCAP_ES0_ACT_DEI_A_VAL] = { 32, 1}, 668 [VCAP_ES0_ACT_VID_B_VAL] = { 33, 12}, 669 [VCAP_ES0_ACT_PCP_B_VAL] = { 45, 3}, 670 [VCAP_ES0_ACT_DEI_B_VAL] = { 48, 1}, 671 [VCAP_ES0_ACT_RSV] = { 49, 23}, 672 [VCAP_ES0_ACT_HIT_STICKY] = { 72, 1}, 673 }; 674 675 static const struct vcap_field vsc9959_vcap_is1_keys[] = { 676 [VCAP_IS1_HK_TYPE] = { 0, 1}, 677 [VCAP_IS1_HK_LOOKUP] = { 1, 2}, 678 [VCAP_IS1_HK_IGR_PORT_MASK] = { 3, 7}, 679 [VCAP_IS1_HK_RSV] = { 10, 9}, 680 [VCAP_IS1_HK_OAM_Y1731] = { 19, 1}, 681 [VCAP_IS1_HK_L2_MC] = { 20, 1}, 682 [VCAP_IS1_HK_L2_BC] = { 21, 1}, 683 [VCAP_IS1_HK_IP_MC] = { 22, 1}, 684 [VCAP_IS1_HK_VLAN_TAGGED] = { 23, 1}, 685 [VCAP_IS1_HK_VLAN_DBL_TAGGED] = { 24, 1}, 686 [VCAP_IS1_HK_TPID] = { 25, 1}, 687 [VCAP_IS1_HK_VID] = { 26, 12}, 688 [VCAP_IS1_HK_DEI] = { 38, 1}, 689 [VCAP_IS1_HK_PCP] = { 39, 3}, 690 /* Specific Fields for IS1 Half Key S1_NORMAL */ 691 [VCAP_IS1_HK_L2_SMAC] = { 42, 48}, 692 [VCAP_IS1_HK_ETYPE_LEN] = { 90, 1}, 693 [VCAP_IS1_HK_ETYPE] = { 91, 16}, 694 [VCAP_IS1_HK_IP_SNAP] = {107, 1}, 695 [VCAP_IS1_HK_IP4] = {108, 1}, 696 /* Layer-3 Information */ 697 [VCAP_IS1_HK_L3_FRAGMENT] = {109, 1}, 698 [VCAP_IS1_HK_L3_FRAG_OFS_GT0] = {110, 1}, 699 [VCAP_IS1_HK_L3_OPTIONS] = {111, 1}, 700 [VCAP_IS1_HK_L3_DSCP] = {112, 6}, 701 [VCAP_IS1_HK_L3_IP4_SIP] = {118, 32}, 702 /* Layer-4 Information */ 703 [VCAP_IS1_HK_TCP_UDP] = {150, 1}, 704 [VCAP_IS1_HK_TCP] = {151, 1}, 705 [VCAP_IS1_HK_L4_SPORT] = {152, 16}, 706 [VCAP_IS1_HK_L4_RNG] = {168, 8}, 707 /* Specific Fields for IS1 Half Key S1_5TUPLE_IP4 */ 708 [VCAP_IS1_HK_IP4_INNER_TPID] = { 42, 1}, 709 [VCAP_IS1_HK_IP4_INNER_VID] = { 43, 12}, 710 [VCAP_IS1_HK_IP4_INNER_DEI] = { 55, 1}, 711 [VCAP_IS1_HK_IP4_INNER_PCP] = { 56, 3}, 712 [VCAP_IS1_HK_IP4_IP4] = { 59, 1}, 713 [VCAP_IS1_HK_IP4_L3_FRAGMENT] = { 60, 1}, 714 [VCAP_IS1_HK_IP4_L3_FRAG_OFS_GT0] = { 61, 1}, 715 [VCAP_IS1_HK_IP4_L3_OPTIONS] = { 62, 1}, 716 [VCAP_IS1_HK_IP4_L3_DSCP] = { 63, 6}, 717 [VCAP_IS1_HK_IP4_L3_IP4_DIP] = { 69, 32}, 718 [VCAP_IS1_HK_IP4_L3_IP4_SIP] = {101, 32}, 719 [VCAP_IS1_HK_IP4_L3_PROTO] = {133, 8}, 720 [VCAP_IS1_HK_IP4_TCP_UDP] = {141, 1}, 721 [VCAP_IS1_HK_IP4_TCP] = {142, 1}, 722 [VCAP_IS1_HK_IP4_L4_RNG] = {143, 8}, 723 [VCAP_IS1_HK_IP4_IP_PAYLOAD_S1_5TUPLE] = {151, 32}, 724 }; 725 726 static const struct vcap_field vsc9959_vcap_is1_actions[] = { 727 [VCAP_IS1_ACT_DSCP_ENA] = { 0, 1}, 728 [VCAP_IS1_ACT_DSCP_VAL] = { 1, 6}, 729 [VCAP_IS1_ACT_QOS_ENA] = { 7, 1}, 730 [VCAP_IS1_ACT_QOS_VAL] = { 8, 3}, 731 [VCAP_IS1_ACT_DP_ENA] = { 11, 1}, 732 [VCAP_IS1_ACT_DP_VAL] = { 12, 1}, 733 [VCAP_IS1_ACT_PAG_OVERRIDE_MASK] = { 13, 8}, 734 [VCAP_IS1_ACT_PAG_VAL] = { 21, 8}, 735 [VCAP_IS1_ACT_RSV] = { 29, 9}, 736 /* The fields below are incorrectly shifted by 2 in the manual */ 737 [VCAP_IS1_ACT_VID_REPLACE_ENA] = { 38, 1}, 738 [VCAP_IS1_ACT_VID_ADD_VAL] = { 39, 12}, 739 [VCAP_IS1_ACT_FID_SEL] = { 51, 2}, 740 [VCAP_IS1_ACT_FID_VAL] = { 53, 13}, 741 [VCAP_IS1_ACT_PCP_DEI_ENA] = { 66, 1}, 742 [VCAP_IS1_ACT_PCP_VAL] = { 67, 3}, 743 [VCAP_IS1_ACT_DEI_VAL] = { 70, 1}, 744 [VCAP_IS1_ACT_VLAN_POP_CNT_ENA] = { 71, 1}, 745 [VCAP_IS1_ACT_VLAN_POP_CNT] = { 72, 2}, 746 [VCAP_IS1_ACT_CUSTOM_ACE_TYPE_ENA] = { 74, 4}, 747 [VCAP_IS1_ACT_HIT_STICKY] = { 78, 1}, 748 }; 749 750 static struct vcap_field vsc9959_vcap_is2_keys[] = { 751 /* Common: 41 bits */ 752 [VCAP_IS2_TYPE] = { 0, 4}, 753 [VCAP_IS2_HK_FIRST] = { 4, 1}, 754 [VCAP_IS2_HK_PAG] = { 5, 8}, 755 [VCAP_IS2_HK_IGR_PORT_MASK] = { 13, 7}, 756 [VCAP_IS2_HK_RSV2] = { 20, 1}, 757 [VCAP_IS2_HK_HOST_MATCH] = { 21, 1}, 758 [VCAP_IS2_HK_L2_MC] = { 22, 1}, 759 [VCAP_IS2_HK_L2_BC] = { 23, 1}, 760 [VCAP_IS2_HK_VLAN_TAGGED] = { 24, 1}, 761 [VCAP_IS2_HK_VID] = { 25, 12}, 762 [VCAP_IS2_HK_DEI] = { 37, 1}, 763 [VCAP_IS2_HK_PCP] = { 38, 3}, 764 /* MAC_ETYPE / MAC_LLC / MAC_SNAP / OAM common */ 765 [VCAP_IS2_HK_L2_DMAC] = { 41, 48}, 766 [VCAP_IS2_HK_L2_SMAC] = { 89, 48}, 767 /* MAC_ETYPE (TYPE=000) */ 768 [VCAP_IS2_HK_MAC_ETYPE_ETYPE] = {137, 16}, 769 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0] = {153, 16}, 770 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1] = {169, 8}, 771 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2] = {177, 3}, 772 /* MAC_LLC (TYPE=001) */ 773 [VCAP_IS2_HK_MAC_LLC_L2_LLC] = {137, 40}, 774 /* MAC_SNAP (TYPE=010) */ 775 [VCAP_IS2_HK_MAC_SNAP_L2_SNAP] = {137, 40}, 776 /* MAC_ARP (TYPE=011) */ 777 [VCAP_IS2_HK_MAC_ARP_SMAC] = { 41, 48}, 778 [VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK] = { 89, 1}, 779 [VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK] = { 90, 1}, 780 [VCAP_IS2_HK_MAC_ARP_LEN_OK] = { 91, 1}, 781 [VCAP_IS2_HK_MAC_ARP_TARGET_MATCH] = { 92, 1}, 782 [VCAP_IS2_HK_MAC_ARP_SENDER_MATCH] = { 93, 1}, 783 [VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN] = { 94, 1}, 784 [VCAP_IS2_HK_MAC_ARP_OPCODE] = { 95, 2}, 785 [VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP] = { 97, 32}, 786 [VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP] = {129, 32}, 787 [VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP] = {161, 1}, 788 /* IP4_TCP_UDP / IP4_OTHER common */ 789 [VCAP_IS2_HK_IP4] = { 41, 1}, 790 [VCAP_IS2_HK_L3_FRAGMENT] = { 42, 1}, 791 [VCAP_IS2_HK_L3_FRAG_OFS_GT0] = { 43, 1}, 792 [VCAP_IS2_HK_L3_OPTIONS] = { 44, 1}, 793 [VCAP_IS2_HK_IP4_L3_TTL_GT0] = { 45, 1}, 794 [VCAP_IS2_HK_L3_TOS] = { 46, 8}, 795 [VCAP_IS2_HK_L3_IP4_DIP] = { 54, 32}, 796 [VCAP_IS2_HK_L3_IP4_SIP] = { 86, 32}, 797 [VCAP_IS2_HK_DIP_EQ_SIP] = {118, 1}, 798 /* IP4_TCP_UDP (TYPE=100) */ 799 [VCAP_IS2_HK_TCP] = {119, 1}, 800 [VCAP_IS2_HK_L4_DPORT] = {120, 16}, 801 [VCAP_IS2_HK_L4_SPORT] = {136, 16}, 802 [VCAP_IS2_HK_L4_RNG] = {152, 8}, 803 [VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {160, 1}, 804 [VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {161, 1}, 805 [VCAP_IS2_HK_L4_FIN] = {162, 1}, 806 [VCAP_IS2_HK_L4_SYN] = {163, 1}, 807 [VCAP_IS2_HK_L4_RST] = {164, 1}, 808 [VCAP_IS2_HK_L4_PSH] = {165, 1}, 809 [VCAP_IS2_HK_L4_ACK] = {166, 1}, 810 [VCAP_IS2_HK_L4_URG] = {167, 1}, 811 [VCAP_IS2_HK_L4_1588_DOM] = {168, 8}, 812 [VCAP_IS2_HK_L4_1588_VER] = {176, 4}, 813 /* IP4_OTHER (TYPE=101) */ 814 [VCAP_IS2_HK_IP4_L3_PROTO] = {119, 8}, 815 [VCAP_IS2_HK_L3_PAYLOAD] = {127, 56}, 816 /* IP6_STD (TYPE=110) */ 817 [VCAP_IS2_HK_IP6_L3_TTL_GT0] = { 41, 1}, 818 [VCAP_IS2_HK_L3_IP6_SIP] = { 42, 128}, 819 [VCAP_IS2_HK_IP6_L3_PROTO] = {170, 8}, 820 /* OAM (TYPE=111) */ 821 [VCAP_IS2_HK_OAM_MEL_FLAGS] = {137, 7}, 822 [VCAP_IS2_HK_OAM_VER] = {144, 5}, 823 [VCAP_IS2_HK_OAM_OPCODE] = {149, 8}, 824 [VCAP_IS2_HK_OAM_FLAGS] = {157, 8}, 825 [VCAP_IS2_HK_OAM_MEPID] = {165, 16}, 826 [VCAP_IS2_HK_OAM_CCM_CNTS_EQ0] = {181, 1}, 827 [VCAP_IS2_HK_OAM_IS_Y1731] = {182, 1}, 828 }; 829 830 static struct vcap_field vsc9959_vcap_is2_actions[] = { 831 [VCAP_IS2_ACT_HIT_ME_ONCE] = { 0, 1}, 832 [VCAP_IS2_ACT_CPU_COPY_ENA] = { 1, 1}, 833 [VCAP_IS2_ACT_CPU_QU_NUM] = { 2, 3}, 834 [VCAP_IS2_ACT_MASK_MODE] = { 5, 2}, 835 [VCAP_IS2_ACT_MIRROR_ENA] = { 7, 1}, 836 [VCAP_IS2_ACT_LRN_DIS] = { 8, 1}, 837 [VCAP_IS2_ACT_POLICE_ENA] = { 9, 1}, 838 [VCAP_IS2_ACT_POLICE_IDX] = { 10, 9}, 839 [VCAP_IS2_ACT_POLICE_VCAP_ONLY] = { 19, 1}, 840 [VCAP_IS2_ACT_PORT_MASK] = { 20, 6}, 841 [VCAP_IS2_ACT_REW_OP] = { 26, 9}, 842 [VCAP_IS2_ACT_SMAC_REPLACE_ENA] = { 35, 1}, 843 [VCAP_IS2_ACT_RSV] = { 36, 2}, 844 [VCAP_IS2_ACT_ACL_ID] = { 38, 6}, 845 [VCAP_IS2_ACT_HIT_CNT] = { 44, 32}, 846 }; 847 848 static struct vcap_props vsc9959_vcap_props[] = { 849 [VCAP_ES0] = { 850 .action_type_width = 0, 851 .action_table = { 852 [ES0_ACTION_TYPE_NORMAL] = { 853 .width = 72, /* HIT_STICKY not included */ 854 .count = 1, 855 }, 856 }, 857 .target = S0, 858 .keys = vsc9959_vcap_es0_keys, 859 .actions = vsc9959_vcap_es0_actions, 860 }, 861 [VCAP_IS1] = { 862 .action_type_width = 0, 863 .action_table = { 864 [IS1_ACTION_TYPE_NORMAL] = { 865 .width = 78, /* HIT_STICKY not included */ 866 .count = 4, 867 }, 868 }, 869 .target = S1, 870 .keys = vsc9959_vcap_is1_keys, 871 .actions = vsc9959_vcap_is1_actions, 872 }, 873 [VCAP_IS2] = { 874 .action_type_width = 1, 875 .action_table = { 876 [IS2_ACTION_TYPE_NORMAL] = { 877 .width = 44, 878 .count = 2 879 }, 880 [IS2_ACTION_TYPE_SMAC_SIP] = { 881 .width = 6, 882 .count = 4 883 }, 884 }, 885 .target = S2, 886 .keys = vsc9959_vcap_is2_keys, 887 .actions = vsc9959_vcap_is2_actions, 888 }, 889 }; 890 891 static const struct ptp_clock_info vsc9959_ptp_caps = { 892 .owner = THIS_MODULE, 893 .name = "felix ptp", 894 .max_adj = 0x7fffffff, 895 .n_alarm = 0, 896 .n_ext_ts = 0, 897 .n_per_out = OCELOT_PTP_PINS_NUM, 898 .n_pins = OCELOT_PTP_PINS_NUM, 899 .pps = 0, 900 .gettime64 = ocelot_ptp_gettime64, 901 .settime64 = ocelot_ptp_settime64, 902 .adjtime = ocelot_ptp_adjtime, 903 .adjfine = ocelot_ptp_adjfine, 904 .verify = ocelot_ptp_verify, 905 .enable = ocelot_ptp_enable, 906 }; 907 908 #define VSC9959_INIT_TIMEOUT 50000 909 #define VSC9959_GCB_RST_SLEEP 100 910 #define VSC9959_SYS_RAMINIT_SLEEP 80 911 912 static int vsc9959_gcb_soft_rst_status(struct ocelot *ocelot) 913 { 914 int val; 915 916 ocelot_field_read(ocelot, GCB_SOFT_RST_SWC_RST, &val); 917 918 return val; 919 } 920 921 static int vsc9959_sys_ram_init_status(struct ocelot *ocelot) 922 { 923 return ocelot_read(ocelot, SYS_RAM_INIT); 924 } 925 926 /* CORE_ENA is in SYS:SYSTEM:RESET_CFG 927 * RAM_INIT is in SYS:RAM_CTRL:RAM_INIT 928 */ 929 static int vsc9959_reset(struct ocelot *ocelot) 930 { 931 int val, err; 932 933 /* soft-reset the switch core */ 934 ocelot_field_write(ocelot, GCB_SOFT_RST_SWC_RST, 1); 935 936 err = readx_poll_timeout(vsc9959_gcb_soft_rst_status, ocelot, val, !val, 937 VSC9959_GCB_RST_SLEEP, VSC9959_INIT_TIMEOUT); 938 if (err) { 939 dev_err(ocelot->dev, "timeout: switch core reset\n"); 940 return err; 941 } 942 943 /* initialize switch mem ~40us */ 944 ocelot_write(ocelot, SYS_RAM_INIT_RAM_INIT, SYS_RAM_INIT); 945 err = readx_poll_timeout(vsc9959_sys_ram_init_status, ocelot, val, !val, 946 VSC9959_SYS_RAMINIT_SLEEP, 947 VSC9959_INIT_TIMEOUT); 948 if (err) { 949 dev_err(ocelot->dev, "timeout: switch sram init\n"); 950 return err; 951 } 952 953 /* enable switch core */ 954 ocelot_field_write(ocelot, SYS_RESET_CFG_CORE_ENA, 1); 955 956 return 0; 957 } 958 959 static void vsc9959_phylink_validate(struct ocelot *ocelot, int port, 960 unsigned long *supported, 961 struct phylink_link_state *state) 962 { 963 __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, }; 964 965 phylink_set_port_modes(mask); 966 phylink_set(mask, Autoneg); 967 phylink_set(mask, Pause); 968 phylink_set(mask, Asym_Pause); 969 phylink_set(mask, 10baseT_Half); 970 phylink_set(mask, 10baseT_Full); 971 phylink_set(mask, 100baseT_Half); 972 phylink_set(mask, 100baseT_Full); 973 phylink_set(mask, 1000baseT_Half); 974 phylink_set(mask, 1000baseT_Full); 975 976 if (state->interface == PHY_INTERFACE_MODE_INTERNAL || 977 state->interface == PHY_INTERFACE_MODE_2500BASEX || 978 state->interface == PHY_INTERFACE_MODE_USXGMII) { 979 phylink_set(mask, 2500baseT_Full); 980 phylink_set(mask, 2500baseX_Full); 981 } 982 983 linkmode_and(supported, supported, mask); 984 linkmode_and(state->advertising, state->advertising, mask); 985 } 986 987 /* Watermark encode 988 * Bit 8: Unit; 0:1, 1:16 989 * Bit 7-0: Value to be multiplied with unit 990 */ 991 static u16 vsc9959_wm_enc(u16 value) 992 { 993 WARN_ON(value >= 16 * BIT(8)); 994 995 if (value >= BIT(8)) 996 return BIT(8) | (value / 16); 997 998 return value; 999 } 1000 1001 static u16 vsc9959_wm_dec(u16 wm) 1002 { 1003 WARN_ON(wm & ~GENMASK(8, 0)); 1004 1005 if (wm & BIT(8)) 1006 return (wm & GENMASK(7, 0)) * 16; 1007 1008 return wm; 1009 } 1010 1011 static void vsc9959_wm_stat(u32 val, u32 *inuse, u32 *maxuse) 1012 { 1013 *inuse = (val & GENMASK(23, 12)) >> 12; 1014 *maxuse = val & GENMASK(11, 0); 1015 } 1016 1017 static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot) 1018 { 1019 struct felix *felix = ocelot_to_felix(ocelot); 1020 struct enetc_mdio_priv *mdio_priv; 1021 struct device *dev = ocelot->dev; 1022 void __iomem *imdio_regs; 1023 struct resource res; 1024 struct enetc_hw *hw; 1025 struct mii_bus *bus; 1026 int port; 1027 int rc; 1028 1029 felix->pcs = devm_kcalloc(dev, felix->info->num_ports, 1030 sizeof(struct phylink_pcs *), 1031 GFP_KERNEL); 1032 if (!felix->pcs) { 1033 dev_err(dev, "failed to allocate array for PCS PHYs\n"); 1034 return -ENOMEM; 1035 } 1036 1037 memcpy(&res, felix->info->imdio_res, sizeof(res)); 1038 res.flags = IORESOURCE_MEM; 1039 res.start += felix->imdio_base; 1040 res.end += felix->imdio_base; 1041 1042 imdio_regs = devm_ioremap_resource(dev, &res); 1043 if (IS_ERR(imdio_regs)) 1044 return PTR_ERR(imdio_regs); 1045 1046 hw = enetc_hw_alloc(dev, imdio_regs); 1047 if (IS_ERR(hw)) { 1048 dev_err(dev, "failed to allocate ENETC HW structure\n"); 1049 return PTR_ERR(hw); 1050 } 1051 1052 bus = mdiobus_alloc_size(sizeof(*mdio_priv)); 1053 if (!bus) 1054 return -ENOMEM; 1055 1056 bus->name = "VSC9959 internal MDIO bus"; 1057 bus->read = enetc_mdio_read; 1058 bus->write = enetc_mdio_write; 1059 bus->parent = dev; 1060 mdio_priv = bus->priv; 1061 mdio_priv->hw = hw; 1062 /* This gets added to imdio_regs, which already maps addresses 1063 * starting with the proper offset. 1064 */ 1065 mdio_priv->mdio_base = 0; 1066 snprintf(bus->id, MII_BUS_ID_SIZE, "%s-imdio", dev_name(dev)); 1067 1068 /* Needed in order to initialize the bus mutex lock */ 1069 rc = mdiobus_register(bus); 1070 if (rc < 0) { 1071 dev_err(dev, "failed to register MDIO bus\n"); 1072 mdiobus_free(bus); 1073 return rc; 1074 } 1075 1076 felix->imdio = bus; 1077 1078 for (port = 0; port < felix->info->num_ports; port++) { 1079 struct ocelot_port *ocelot_port = ocelot->ports[port]; 1080 struct phylink_pcs *phylink_pcs; 1081 struct mdio_device *mdio_device; 1082 1083 if (dsa_is_unused_port(felix->ds, port)) 1084 continue; 1085 1086 if (ocelot_port->phy_mode == PHY_INTERFACE_MODE_INTERNAL) 1087 continue; 1088 1089 mdio_device = mdio_device_create(felix->imdio, port); 1090 if (IS_ERR(mdio_device)) 1091 continue; 1092 1093 phylink_pcs = lynx_pcs_create(mdio_device); 1094 if (!phylink_pcs) { 1095 mdio_device_free(mdio_device); 1096 continue; 1097 } 1098 1099 felix->pcs[port] = phylink_pcs; 1100 1101 dev_info(dev, "Found PCS at internal MDIO address %d\n", port); 1102 } 1103 1104 return 0; 1105 } 1106 1107 static void vsc9959_mdio_bus_free(struct ocelot *ocelot) 1108 { 1109 struct felix *felix = ocelot_to_felix(ocelot); 1110 int port; 1111 1112 for (port = 0; port < ocelot->num_phys_ports; port++) { 1113 struct phylink_pcs *phylink_pcs = felix->pcs[port]; 1114 struct mdio_device *mdio_device; 1115 1116 if (!phylink_pcs) 1117 continue; 1118 1119 mdio_device = lynx_get_mdio_device(phylink_pcs); 1120 mdio_device_free(mdio_device); 1121 lynx_pcs_destroy(phylink_pcs); 1122 } 1123 mdiobus_unregister(felix->imdio); 1124 mdiobus_free(felix->imdio); 1125 } 1126 1127 static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port, 1128 u32 speed) 1129 { 1130 u8 tas_speed; 1131 1132 switch (speed) { 1133 case SPEED_10: 1134 tas_speed = OCELOT_SPEED_10; 1135 break; 1136 case SPEED_100: 1137 tas_speed = OCELOT_SPEED_100; 1138 break; 1139 case SPEED_1000: 1140 tas_speed = OCELOT_SPEED_1000; 1141 break; 1142 case SPEED_2500: 1143 tas_speed = OCELOT_SPEED_2500; 1144 break; 1145 default: 1146 tas_speed = OCELOT_SPEED_1000; 1147 break; 1148 } 1149 1150 ocelot_rmw_rix(ocelot, 1151 QSYS_TAG_CONFIG_LINK_SPEED(tas_speed), 1152 QSYS_TAG_CONFIG_LINK_SPEED_M, 1153 QSYS_TAG_CONFIG, port); 1154 } 1155 1156 static void vsc9959_new_base_time(struct ocelot *ocelot, ktime_t base_time, 1157 u64 cycle_time, 1158 struct timespec64 *new_base_ts) 1159 { 1160 struct timespec64 ts; 1161 ktime_t new_base_time; 1162 ktime_t current_time; 1163 1164 ocelot_ptp_gettime64(&ocelot->ptp_info, &ts); 1165 current_time = timespec64_to_ktime(ts); 1166 new_base_time = base_time; 1167 1168 if (base_time < current_time) { 1169 u64 nr_of_cycles = current_time - base_time; 1170 1171 do_div(nr_of_cycles, cycle_time); 1172 new_base_time += cycle_time * (nr_of_cycles + 1); 1173 } 1174 1175 *new_base_ts = ktime_to_timespec64(new_base_time); 1176 } 1177 1178 static u32 vsc9959_tas_read_cfg_status(struct ocelot *ocelot) 1179 { 1180 return ocelot_read(ocelot, QSYS_TAS_PARAM_CFG_CTRL); 1181 } 1182 1183 static void vsc9959_tas_gcl_set(struct ocelot *ocelot, const u32 gcl_ix, 1184 struct tc_taprio_sched_entry *entry) 1185 { 1186 ocelot_write(ocelot, 1187 QSYS_GCL_CFG_REG_1_GCL_ENTRY_NUM(gcl_ix) | 1188 QSYS_GCL_CFG_REG_1_GATE_STATE(entry->gate_mask), 1189 QSYS_GCL_CFG_REG_1); 1190 ocelot_write(ocelot, entry->interval, QSYS_GCL_CFG_REG_2); 1191 } 1192 1193 static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port, 1194 struct tc_taprio_qopt_offload *taprio) 1195 { 1196 struct timespec64 base_ts; 1197 int ret, i; 1198 u32 val; 1199 1200 if (!taprio->enable) { 1201 ocelot_rmw_rix(ocelot, 1202 QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF), 1203 QSYS_TAG_CONFIG_ENABLE | 1204 QSYS_TAG_CONFIG_INIT_GATE_STATE_M, 1205 QSYS_TAG_CONFIG, port); 1206 1207 return 0; 1208 } 1209 1210 if (taprio->cycle_time > NSEC_PER_SEC || 1211 taprio->cycle_time_extension >= NSEC_PER_SEC) 1212 return -EINVAL; 1213 1214 if (taprio->num_entries > VSC9959_TAS_GCL_ENTRY_MAX) 1215 return -ERANGE; 1216 1217 /* Enable guard band. The switch will schedule frames without taking 1218 * their length into account. Thus we'll always need to enable the 1219 * guard band which reserves the time of a maximum sized frame at the 1220 * end of the time window. 1221 * 1222 * Although the ALWAYS_GUARD_BAND_SCH_Q bit is global for all ports, we 1223 * need to set PORT_NUM, because subsequent writes to PARAM_CFG_REG_n 1224 * operate on the port number. 1225 */ 1226 ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM(port) | 1227 QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q, 1228 QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM_M | 1229 QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q, 1230 QSYS_TAS_PARAM_CFG_CTRL); 1231 1232 /* Hardware errata - Admin config could not be overwritten if 1233 * config is pending, need reset the TAS module 1234 */ 1235 val = ocelot_read(ocelot, QSYS_PARAM_STATUS_REG_8); 1236 if (val & QSYS_PARAM_STATUS_REG_8_CONFIG_PENDING) 1237 return -EBUSY; 1238 1239 ocelot_rmw_rix(ocelot, 1240 QSYS_TAG_CONFIG_ENABLE | 1241 QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF) | 1242 QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES(0xFF), 1243 QSYS_TAG_CONFIG_ENABLE | 1244 QSYS_TAG_CONFIG_INIT_GATE_STATE_M | 1245 QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES_M, 1246 QSYS_TAG_CONFIG, port); 1247 1248 vsc9959_new_base_time(ocelot, taprio->base_time, 1249 taprio->cycle_time, &base_ts); 1250 ocelot_write(ocelot, base_ts.tv_nsec, QSYS_PARAM_CFG_REG_1); 1251 ocelot_write(ocelot, lower_32_bits(base_ts.tv_sec), QSYS_PARAM_CFG_REG_2); 1252 val = upper_32_bits(base_ts.tv_sec); 1253 ocelot_write(ocelot, 1254 QSYS_PARAM_CFG_REG_3_BASE_TIME_SEC_MSB(val) | 1255 QSYS_PARAM_CFG_REG_3_LIST_LENGTH(taprio->num_entries), 1256 QSYS_PARAM_CFG_REG_3); 1257 ocelot_write(ocelot, taprio->cycle_time, QSYS_PARAM_CFG_REG_4); 1258 ocelot_write(ocelot, taprio->cycle_time_extension, QSYS_PARAM_CFG_REG_5); 1259 1260 for (i = 0; i < taprio->num_entries; i++) 1261 vsc9959_tas_gcl_set(ocelot, i, &taprio->entries[i]); 1262 1263 ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE, 1264 QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE, 1265 QSYS_TAS_PARAM_CFG_CTRL); 1266 1267 ret = readx_poll_timeout(vsc9959_tas_read_cfg_status, ocelot, val, 1268 !(val & QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE), 1269 10, 100000); 1270 1271 return ret; 1272 } 1273 1274 static int vsc9959_qos_port_cbs_set(struct dsa_switch *ds, int port, 1275 struct tc_cbs_qopt_offload *cbs_qopt) 1276 { 1277 struct ocelot *ocelot = ds->priv; 1278 int port_ix = port * 8 + cbs_qopt->queue; 1279 u32 rate, burst; 1280 1281 if (cbs_qopt->queue >= ds->num_tx_queues) 1282 return -EINVAL; 1283 1284 if (!cbs_qopt->enable) { 1285 ocelot_write_gix(ocelot, QSYS_CIR_CFG_CIR_RATE(0) | 1286 QSYS_CIR_CFG_CIR_BURST(0), 1287 QSYS_CIR_CFG, port_ix); 1288 1289 ocelot_rmw_gix(ocelot, 0, QSYS_SE_CFG_SE_AVB_ENA, 1290 QSYS_SE_CFG, port_ix); 1291 1292 return 0; 1293 } 1294 1295 /* Rate unit is 100 kbps */ 1296 rate = DIV_ROUND_UP(cbs_qopt->idleslope, 100); 1297 /* Avoid using zero rate */ 1298 rate = clamp_t(u32, rate, 1, GENMASK(14, 0)); 1299 /* Burst unit is 4kB */ 1300 burst = DIV_ROUND_UP(cbs_qopt->hicredit, 4096); 1301 /* Avoid using zero burst size */ 1302 burst = clamp_t(u32, burst, 1, GENMASK(5, 0)); 1303 ocelot_write_gix(ocelot, 1304 QSYS_CIR_CFG_CIR_RATE(rate) | 1305 QSYS_CIR_CFG_CIR_BURST(burst), 1306 QSYS_CIR_CFG, 1307 port_ix); 1308 1309 ocelot_rmw_gix(ocelot, 1310 QSYS_SE_CFG_SE_FRM_MODE(0) | 1311 QSYS_SE_CFG_SE_AVB_ENA, 1312 QSYS_SE_CFG_SE_AVB_ENA | 1313 QSYS_SE_CFG_SE_FRM_MODE_M, 1314 QSYS_SE_CFG, 1315 port_ix); 1316 1317 return 0; 1318 } 1319 1320 static int vsc9959_port_setup_tc(struct dsa_switch *ds, int port, 1321 enum tc_setup_type type, 1322 void *type_data) 1323 { 1324 struct ocelot *ocelot = ds->priv; 1325 1326 switch (type) { 1327 case TC_SETUP_QDISC_TAPRIO: 1328 return vsc9959_qos_port_tas_set(ocelot, port, type_data); 1329 case TC_SETUP_QDISC_CBS: 1330 return vsc9959_qos_port_cbs_set(ds, port, type_data); 1331 default: 1332 return -EOPNOTSUPP; 1333 } 1334 } 1335 1336 #define VSC9959_PSFP_SFID_MAX 175 1337 #define VSC9959_PSFP_GATE_ID_MAX 183 1338 #define VSC9959_PSFP_POLICER_BASE 63 1339 #define VSC9959_PSFP_POLICER_MAX 383 1340 #define VSC9959_PSFP_GATE_LIST_NUM 4 1341 #define VSC9959_PSFP_GATE_CYCLETIME_MIN 5000 1342 1343 struct felix_stream { 1344 struct list_head list; 1345 unsigned long id; 1346 bool dummy; 1347 int ports; 1348 int port; 1349 u8 dmac[ETH_ALEN]; 1350 u16 vid; 1351 s8 prio; 1352 u8 sfid_valid; 1353 u8 ssid_valid; 1354 u32 sfid; 1355 u32 ssid; 1356 }; 1357 1358 struct felix_stream_filter { 1359 struct list_head list; 1360 refcount_t refcount; 1361 u32 index; 1362 u8 enable; 1363 int portmask; 1364 u8 sg_valid; 1365 u32 sgid; 1366 u8 fm_valid; 1367 u32 fmid; 1368 u8 prio_valid; 1369 u8 prio; 1370 u32 maxsdu; 1371 }; 1372 1373 struct felix_stream_filter_counters { 1374 u32 match; 1375 u32 not_pass_gate; 1376 u32 not_pass_sdu; 1377 u32 red; 1378 }; 1379 1380 struct felix_stream_gate { 1381 u32 index; 1382 u8 enable; 1383 u8 ipv_valid; 1384 u8 init_ipv; 1385 u64 basetime; 1386 u64 cycletime; 1387 u64 cycletime_ext; 1388 u32 num_entries; 1389 struct action_gate_entry entries[]; 1390 }; 1391 1392 struct felix_stream_gate_entry { 1393 struct list_head list; 1394 refcount_t refcount; 1395 u32 index; 1396 }; 1397 1398 static int vsc9959_stream_identify(struct flow_cls_offload *f, 1399 struct felix_stream *stream) 1400 { 1401 struct flow_rule *rule = flow_cls_offload_flow_rule(f); 1402 struct flow_dissector *dissector = rule->match.dissector; 1403 1404 if (dissector->used_keys & 1405 ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1406 BIT(FLOW_DISSECTOR_KEY_BASIC) | 1407 BIT(FLOW_DISSECTOR_KEY_VLAN) | 1408 BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS))) 1409 return -EOPNOTSUPP; 1410 1411 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1412 struct flow_match_eth_addrs match; 1413 1414 flow_rule_match_eth_addrs(rule, &match); 1415 ether_addr_copy(stream->dmac, match.key->dst); 1416 if (!is_zero_ether_addr(match.mask->src)) 1417 return -EOPNOTSUPP; 1418 } else { 1419 return -EOPNOTSUPP; 1420 } 1421 1422 if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { 1423 struct flow_match_vlan match; 1424 1425 flow_rule_match_vlan(rule, &match); 1426 if (match.mask->vlan_priority) 1427 stream->prio = match.key->vlan_priority; 1428 else 1429 stream->prio = -1; 1430 1431 if (!match.mask->vlan_id) 1432 return -EOPNOTSUPP; 1433 stream->vid = match.key->vlan_id; 1434 } else { 1435 return -EOPNOTSUPP; 1436 } 1437 1438 stream->id = f->cookie; 1439 1440 return 0; 1441 } 1442 1443 static int vsc9959_mact_stream_set(struct ocelot *ocelot, 1444 struct felix_stream *stream, 1445 struct netlink_ext_ack *extack) 1446 { 1447 enum macaccess_entry_type type; 1448 int ret, sfid, ssid; 1449 u32 vid, dst_idx; 1450 u8 mac[ETH_ALEN]; 1451 1452 ether_addr_copy(mac, stream->dmac); 1453 vid = stream->vid; 1454 1455 /* Stream identification desn't support to add a stream with non 1456 * existent MAC (The MAC entry has not been learned in MAC table). 1457 */ 1458 ret = ocelot_mact_lookup(ocelot, &dst_idx, mac, vid, &type); 1459 if (ret) { 1460 if (extack) 1461 NL_SET_ERR_MSG_MOD(extack, "Stream is not learned in MAC table"); 1462 return -EOPNOTSUPP; 1463 } 1464 1465 if ((stream->sfid_valid || stream->ssid_valid) && 1466 type == ENTRYTYPE_NORMAL) 1467 type = ENTRYTYPE_LOCKED; 1468 1469 sfid = stream->sfid_valid ? stream->sfid : -1; 1470 ssid = stream->ssid_valid ? stream->ssid : -1; 1471 1472 ret = ocelot_mact_learn_streamdata(ocelot, dst_idx, mac, vid, type, 1473 sfid, ssid); 1474 1475 return ret; 1476 } 1477 1478 static struct felix_stream * 1479 vsc9959_stream_table_lookup(struct list_head *stream_list, 1480 struct felix_stream *stream) 1481 { 1482 struct felix_stream *tmp; 1483 1484 list_for_each_entry(tmp, stream_list, list) 1485 if (ether_addr_equal(tmp->dmac, stream->dmac) && 1486 tmp->vid == stream->vid) 1487 return tmp; 1488 1489 return NULL; 1490 } 1491 1492 static int vsc9959_stream_table_add(struct ocelot *ocelot, 1493 struct list_head *stream_list, 1494 struct felix_stream *stream, 1495 struct netlink_ext_ack *extack) 1496 { 1497 struct felix_stream *stream_entry; 1498 int ret; 1499 1500 stream_entry = kmemdup(stream, sizeof(*stream_entry), GFP_KERNEL); 1501 if (!stream_entry) 1502 return -ENOMEM; 1503 1504 if (!stream->dummy) { 1505 ret = vsc9959_mact_stream_set(ocelot, stream_entry, extack); 1506 if (ret) { 1507 kfree(stream_entry); 1508 return ret; 1509 } 1510 } 1511 1512 list_add_tail(&stream_entry->list, stream_list); 1513 1514 return 0; 1515 } 1516 1517 static struct felix_stream * 1518 vsc9959_stream_table_get(struct list_head *stream_list, unsigned long id) 1519 { 1520 struct felix_stream *tmp; 1521 1522 list_for_each_entry(tmp, stream_list, list) 1523 if (tmp->id == id) 1524 return tmp; 1525 1526 return NULL; 1527 } 1528 1529 static void vsc9959_stream_table_del(struct ocelot *ocelot, 1530 struct felix_stream *stream) 1531 { 1532 if (!stream->dummy) 1533 vsc9959_mact_stream_set(ocelot, stream, NULL); 1534 1535 list_del(&stream->list); 1536 kfree(stream); 1537 } 1538 1539 static u32 vsc9959_sfi_access_status(struct ocelot *ocelot) 1540 { 1541 return ocelot_read(ocelot, ANA_TABLES_SFIDACCESS); 1542 } 1543 1544 static int vsc9959_psfp_sfi_set(struct ocelot *ocelot, 1545 struct felix_stream_filter *sfi) 1546 { 1547 u32 val; 1548 1549 if (sfi->index > VSC9959_PSFP_SFID_MAX) 1550 return -EINVAL; 1551 1552 if (!sfi->enable) { 1553 ocelot_write(ocelot, ANA_TABLES_SFIDTIDX_SFID_INDEX(sfi->index), 1554 ANA_TABLES_SFIDTIDX); 1555 1556 val = ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE); 1557 ocelot_write(ocelot, val, ANA_TABLES_SFIDACCESS); 1558 1559 return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val, 1560 (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)), 1561 10, 100000); 1562 } 1563 1564 if (sfi->sgid > VSC9959_PSFP_GATE_ID_MAX || 1565 sfi->fmid > VSC9959_PSFP_POLICER_MAX) 1566 return -EINVAL; 1567 1568 ocelot_write(ocelot, 1569 (sfi->sg_valid ? ANA_TABLES_SFIDTIDX_SGID_VALID : 0) | 1570 ANA_TABLES_SFIDTIDX_SGID(sfi->sgid) | 1571 (sfi->fm_valid ? ANA_TABLES_SFIDTIDX_POL_ENA : 0) | 1572 ANA_TABLES_SFIDTIDX_POL_IDX(sfi->fmid) | 1573 ANA_TABLES_SFIDTIDX_SFID_INDEX(sfi->index), 1574 ANA_TABLES_SFIDTIDX); 1575 1576 ocelot_write(ocelot, 1577 (sfi->prio_valid ? ANA_TABLES_SFIDACCESS_IGR_PRIO_MATCH_ENA : 0) | 1578 ANA_TABLES_SFIDACCESS_IGR_PRIO(sfi->prio) | 1579 ANA_TABLES_SFIDACCESS_MAX_SDU_LEN(sfi->maxsdu) | 1580 ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE), 1581 ANA_TABLES_SFIDACCESS); 1582 1583 return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val, 1584 (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)), 1585 10, 100000); 1586 } 1587 1588 static int vsc9959_psfp_sfidmask_set(struct ocelot *ocelot, u32 sfid, int ports) 1589 { 1590 u32 val; 1591 1592 ocelot_rmw(ocelot, 1593 ANA_TABLES_SFIDTIDX_SFID_INDEX(sfid), 1594 ANA_TABLES_SFIDTIDX_SFID_INDEX_M, 1595 ANA_TABLES_SFIDTIDX); 1596 1597 ocelot_write(ocelot, 1598 ANA_TABLES_SFID_MASK_IGR_PORT_MASK(ports) | 1599 ANA_TABLES_SFID_MASK_IGR_SRCPORT_MATCH_ENA, 1600 ANA_TABLES_SFID_MASK); 1601 1602 ocelot_rmw(ocelot, 1603 ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE), 1604 ANA_TABLES_SFIDACCESS_SFID_TBL_CMD_M, 1605 ANA_TABLES_SFIDACCESS); 1606 1607 return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val, 1608 (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)), 1609 10, 100000); 1610 } 1611 1612 static int vsc9959_psfp_sfi_list_add(struct ocelot *ocelot, 1613 struct felix_stream_filter *sfi, 1614 struct list_head *pos) 1615 { 1616 struct felix_stream_filter *sfi_entry; 1617 int ret; 1618 1619 sfi_entry = kmemdup(sfi, sizeof(*sfi_entry), GFP_KERNEL); 1620 if (!sfi_entry) 1621 return -ENOMEM; 1622 1623 refcount_set(&sfi_entry->refcount, 1); 1624 1625 ret = vsc9959_psfp_sfi_set(ocelot, sfi_entry); 1626 if (ret) { 1627 kfree(sfi_entry); 1628 return ret; 1629 } 1630 1631 vsc9959_psfp_sfidmask_set(ocelot, sfi->index, sfi->portmask); 1632 1633 list_add(&sfi_entry->list, pos); 1634 1635 return 0; 1636 } 1637 1638 static int vsc9959_psfp_sfi_table_add(struct ocelot *ocelot, 1639 struct felix_stream_filter *sfi) 1640 { 1641 struct list_head *pos, *q, *last; 1642 struct felix_stream_filter *tmp; 1643 struct ocelot_psfp_list *psfp; 1644 u32 insert = 0; 1645 1646 psfp = &ocelot->psfp; 1647 last = &psfp->sfi_list; 1648 1649 list_for_each_safe(pos, q, &psfp->sfi_list) { 1650 tmp = list_entry(pos, struct felix_stream_filter, list); 1651 if (sfi->sg_valid == tmp->sg_valid && 1652 sfi->fm_valid == tmp->fm_valid && 1653 sfi->portmask == tmp->portmask && 1654 tmp->sgid == sfi->sgid && 1655 tmp->fmid == sfi->fmid) { 1656 sfi->index = tmp->index; 1657 refcount_inc(&tmp->refcount); 1658 return 0; 1659 } 1660 /* Make sure that the index is increasing in order. */ 1661 if (tmp->index == insert) { 1662 last = pos; 1663 insert++; 1664 } 1665 } 1666 sfi->index = insert; 1667 1668 return vsc9959_psfp_sfi_list_add(ocelot, sfi, last); 1669 } 1670 1671 static int vsc9959_psfp_sfi_table_add2(struct ocelot *ocelot, 1672 struct felix_stream_filter *sfi, 1673 struct felix_stream_filter *sfi2) 1674 { 1675 struct felix_stream_filter *tmp; 1676 struct list_head *pos, *q, *last; 1677 struct ocelot_psfp_list *psfp; 1678 u32 insert = 0; 1679 int ret; 1680 1681 psfp = &ocelot->psfp; 1682 last = &psfp->sfi_list; 1683 1684 list_for_each_safe(pos, q, &psfp->sfi_list) { 1685 tmp = list_entry(pos, struct felix_stream_filter, list); 1686 /* Make sure that the index is increasing in order. */ 1687 if (tmp->index >= insert + 2) 1688 break; 1689 1690 insert = tmp->index + 1; 1691 last = pos; 1692 } 1693 sfi->index = insert; 1694 1695 ret = vsc9959_psfp_sfi_list_add(ocelot, sfi, last); 1696 if (ret) 1697 return ret; 1698 1699 sfi2->index = insert + 1; 1700 1701 return vsc9959_psfp_sfi_list_add(ocelot, sfi2, last->next); 1702 } 1703 1704 static struct felix_stream_filter * 1705 vsc9959_psfp_sfi_table_get(struct list_head *sfi_list, u32 index) 1706 { 1707 struct felix_stream_filter *tmp; 1708 1709 list_for_each_entry(tmp, sfi_list, list) 1710 if (tmp->index == index) 1711 return tmp; 1712 1713 return NULL; 1714 } 1715 1716 static void vsc9959_psfp_sfi_table_del(struct ocelot *ocelot, u32 index) 1717 { 1718 struct felix_stream_filter *tmp, *n; 1719 struct ocelot_psfp_list *psfp; 1720 u8 z; 1721 1722 psfp = &ocelot->psfp; 1723 1724 list_for_each_entry_safe(tmp, n, &psfp->sfi_list, list) 1725 if (tmp->index == index) { 1726 z = refcount_dec_and_test(&tmp->refcount); 1727 if (z) { 1728 tmp->enable = 0; 1729 vsc9959_psfp_sfi_set(ocelot, tmp); 1730 list_del(&tmp->list); 1731 kfree(tmp); 1732 } 1733 break; 1734 } 1735 } 1736 1737 static void vsc9959_psfp_parse_gate(const struct flow_action_entry *entry, 1738 struct felix_stream_gate *sgi) 1739 { 1740 sgi->index = entry->hw_index; 1741 sgi->ipv_valid = (entry->gate.prio < 0) ? 0 : 1; 1742 sgi->init_ipv = (sgi->ipv_valid) ? entry->gate.prio : 0; 1743 sgi->basetime = entry->gate.basetime; 1744 sgi->cycletime = entry->gate.cycletime; 1745 sgi->num_entries = entry->gate.num_entries; 1746 sgi->enable = 1; 1747 1748 memcpy(sgi->entries, entry->gate.entries, 1749 entry->gate.num_entries * sizeof(struct action_gate_entry)); 1750 } 1751 1752 static u32 vsc9959_sgi_cfg_status(struct ocelot *ocelot) 1753 { 1754 return ocelot_read(ocelot, ANA_SG_ACCESS_CTRL); 1755 } 1756 1757 static int vsc9959_psfp_sgi_set(struct ocelot *ocelot, 1758 struct felix_stream_gate *sgi) 1759 { 1760 struct action_gate_entry *e; 1761 struct timespec64 base_ts; 1762 u32 interval_sum = 0; 1763 u32 val; 1764 int i; 1765 1766 if (sgi->index > VSC9959_PSFP_GATE_ID_MAX) 1767 return -EINVAL; 1768 1769 ocelot_write(ocelot, ANA_SG_ACCESS_CTRL_SGID(sgi->index), 1770 ANA_SG_ACCESS_CTRL); 1771 1772 if (!sgi->enable) { 1773 ocelot_rmw(ocelot, ANA_SG_CONFIG_REG_3_INIT_GATE_STATE, 1774 ANA_SG_CONFIG_REG_3_INIT_GATE_STATE | 1775 ANA_SG_CONFIG_REG_3_GATE_ENABLE, 1776 ANA_SG_CONFIG_REG_3); 1777 1778 return 0; 1779 } 1780 1781 if (sgi->cycletime < VSC9959_PSFP_GATE_CYCLETIME_MIN || 1782 sgi->cycletime > NSEC_PER_SEC) 1783 return -EINVAL; 1784 1785 if (sgi->num_entries > VSC9959_PSFP_GATE_LIST_NUM) 1786 return -EINVAL; 1787 1788 vsc9959_new_base_time(ocelot, sgi->basetime, sgi->cycletime, &base_ts); 1789 ocelot_write(ocelot, base_ts.tv_nsec, ANA_SG_CONFIG_REG_1); 1790 val = lower_32_bits(base_ts.tv_sec); 1791 ocelot_write(ocelot, val, ANA_SG_CONFIG_REG_2); 1792 1793 val = upper_32_bits(base_ts.tv_sec); 1794 ocelot_write(ocelot, 1795 (sgi->ipv_valid ? ANA_SG_CONFIG_REG_3_IPV_VALID : 0) | 1796 ANA_SG_CONFIG_REG_3_INIT_IPV(sgi->init_ipv) | 1797 ANA_SG_CONFIG_REG_3_GATE_ENABLE | 1798 ANA_SG_CONFIG_REG_3_LIST_LENGTH(sgi->num_entries) | 1799 ANA_SG_CONFIG_REG_3_INIT_GATE_STATE | 1800 ANA_SG_CONFIG_REG_3_BASE_TIME_SEC_MSB(val), 1801 ANA_SG_CONFIG_REG_3); 1802 1803 ocelot_write(ocelot, sgi->cycletime, ANA_SG_CONFIG_REG_4); 1804 1805 e = sgi->entries; 1806 for (i = 0; i < sgi->num_entries; i++) { 1807 u32 ips = (e[i].ipv < 0) ? 0 : (e[i].ipv + 8); 1808 1809 ocelot_write_rix(ocelot, ANA_SG_GCL_GS_CONFIG_IPS(ips) | 1810 (e[i].gate_state ? 1811 ANA_SG_GCL_GS_CONFIG_GATE_STATE : 0), 1812 ANA_SG_GCL_GS_CONFIG, i); 1813 1814 interval_sum += e[i].interval; 1815 ocelot_write_rix(ocelot, interval_sum, ANA_SG_GCL_TI_CONFIG, i); 1816 } 1817 1818 ocelot_rmw(ocelot, ANA_SG_ACCESS_CTRL_CONFIG_CHANGE, 1819 ANA_SG_ACCESS_CTRL_CONFIG_CHANGE, 1820 ANA_SG_ACCESS_CTRL); 1821 1822 return readx_poll_timeout(vsc9959_sgi_cfg_status, ocelot, val, 1823 (!(ANA_SG_ACCESS_CTRL_CONFIG_CHANGE & val)), 1824 10, 100000); 1825 } 1826 1827 static int vsc9959_psfp_sgi_table_add(struct ocelot *ocelot, 1828 struct felix_stream_gate *sgi) 1829 { 1830 struct felix_stream_gate_entry *tmp; 1831 struct ocelot_psfp_list *psfp; 1832 int ret; 1833 1834 psfp = &ocelot->psfp; 1835 1836 list_for_each_entry(tmp, &psfp->sgi_list, list) 1837 if (tmp->index == sgi->index) { 1838 refcount_inc(&tmp->refcount); 1839 return 0; 1840 } 1841 1842 tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); 1843 if (!tmp) 1844 return -ENOMEM; 1845 1846 ret = vsc9959_psfp_sgi_set(ocelot, sgi); 1847 if (ret) { 1848 kfree(tmp); 1849 return ret; 1850 } 1851 1852 tmp->index = sgi->index; 1853 refcount_set(&tmp->refcount, 1); 1854 list_add_tail(&tmp->list, &psfp->sgi_list); 1855 1856 return 0; 1857 } 1858 1859 static void vsc9959_psfp_sgi_table_del(struct ocelot *ocelot, 1860 u32 index) 1861 { 1862 struct felix_stream_gate_entry *tmp, *n; 1863 struct felix_stream_gate sgi = {0}; 1864 struct ocelot_psfp_list *psfp; 1865 u8 z; 1866 1867 psfp = &ocelot->psfp; 1868 1869 list_for_each_entry_safe(tmp, n, &psfp->sgi_list, list) 1870 if (tmp->index == index) { 1871 z = refcount_dec_and_test(&tmp->refcount); 1872 if (z) { 1873 sgi.index = index; 1874 sgi.enable = 0; 1875 vsc9959_psfp_sgi_set(ocelot, &sgi); 1876 list_del(&tmp->list); 1877 kfree(tmp); 1878 } 1879 break; 1880 } 1881 } 1882 1883 static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index, 1884 struct felix_stream_filter_counters *counters) 1885 { 1886 ocelot_rmw(ocelot, SYS_STAT_CFG_STAT_VIEW(index), 1887 SYS_STAT_CFG_STAT_VIEW_M, 1888 SYS_STAT_CFG); 1889 1890 counters->match = ocelot_read_gix(ocelot, SYS_CNT, 0x200); 1891 counters->not_pass_gate = ocelot_read_gix(ocelot, SYS_CNT, 0x201); 1892 counters->not_pass_sdu = ocelot_read_gix(ocelot, SYS_CNT, 0x202); 1893 counters->red = ocelot_read_gix(ocelot, SYS_CNT, 0x203); 1894 1895 /* Clear the PSFP counter. */ 1896 ocelot_write(ocelot, 1897 SYS_STAT_CFG_STAT_VIEW(index) | 1898 SYS_STAT_CFG_STAT_CLEAR_SHOT(0x10), 1899 SYS_STAT_CFG); 1900 } 1901 1902 static int vsc9959_psfp_filter_add(struct ocelot *ocelot, int port, 1903 struct flow_cls_offload *f) 1904 { 1905 struct netlink_ext_ack *extack = f->common.extack; 1906 struct felix_stream_filter old_sfi, *sfi_entry; 1907 struct felix_stream_filter sfi = {0}; 1908 const struct flow_action_entry *a; 1909 struct felix_stream *stream_entry; 1910 struct felix_stream stream = {0}; 1911 struct felix_stream_gate *sgi; 1912 struct ocelot_psfp_list *psfp; 1913 struct ocelot_policer pol; 1914 int ret, i, size; 1915 u64 rate, burst; 1916 u32 index; 1917 1918 psfp = &ocelot->psfp; 1919 1920 ret = vsc9959_stream_identify(f, &stream); 1921 if (ret) { 1922 NL_SET_ERR_MSG_MOD(extack, "Only can match on VID, PCP, and dest MAC"); 1923 return ret; 1924 } 1925 1926 flow_action_for_each(i, a, &f->rule->action) { 1927 switch (a->id) { 1928 case FLOW_ACTION_GATE: 1929 size = struct_size(sgi, entries, a->gate.num_entries); 1930 sgi = kzalloc(size, GFP_KERNEL); 1931 if (!sgi) { 1932 ret = -ENOMEM; 1933 goto err; 1934 } 1935 vsc9959_psfp_parse_gate(a, sgi); 1936 ret = vsc9959_psfp_sgi_table_add(ocelot, sgi); 1937 if (ret) { 1938 kfree(sgi); 1939 goto err; 1940 } 1941 sfi.sg_valid = 1; 1942 sfi.sgid = sgi->index; 1943 kfree(sgi); 1944 break; 1945 case FLOW_ACTION_POLICE: 1946 index = a->hw_index + VSC9959_PSFP_POLICER_BASE; 1947 if (index > VSC9959_PSFP_POLICER_MAX) { 1948 ret = -EINVAL; 1949 goto err; 1950 } 1951 1952 rate = a->police.rate_bytes_ps; 1953 burst = rate * PSCHED_NS2TICKS(a->police.burst); 1954 pol = (struct ocelot_policer) { 1955 .burst = div_u64(burst, PSCHED_TICKS_PER_SEC), 1956 .rate = div_u64(rate, 1000) * 8, 1957 }; 1958 ret = ocelot_vcap_policer_add(ocelot, index, &pol); 1959 if (ret) 1960 goto err; 1961 1962 sfi.fm_valid = 1; 1963 sfi.fmid = index; 1964 sfi.maxsdu = a->police.mtu; 1965 break; 1966 default: 1967 return -EOPNOTSUPP; 1968 } 1969 } 1970 1971 stream.ports = BIT(port); 1972 stream.port = port; 1973 1974 sfi.portmask = stream.ports; 1975 sfi.prio_valid = (stream.prio < 0 ? 0 : 1); 1976 sfi.prio = (sfi.prio_valid ? stream.prio : 0); 1977 sfi.enable = 1; 1978 1979 /* Check if stream is set. */ 1980 stream_entry = vsc9959_stream_table_lookup(&psfp->stream_list, &stream); 1981 if (stream_entry) { 1982 if (stream_entry->ports & BIT(port)) { 1983 NL_SET_ERR_MSG_MOD(extack, 1984 "The stream is added on this port"); 1985 ret = -EEXIST; 1986 goto err; 1987 } 1988 1989 if (stream_entry->ports != BIT(stream_entry->port)) { 1990 NL_SET_ERR_MSG_MOD(extack, 1991 "The stream is added on two ports"); 1992 ret = -EEXIST; 1993 goto err; 1994 } 1995 1996 stream_entry->ports |= BIT(port); 1997 stream.ports = stream_entry->ports; 1998 1999 sfi_entry = vsc9959_psfp_sfi_table_get(&psfp->sfi_list, 2000 stream_entry->sfid); 2001 memcpy(&old_sfi, sfi_entry, sizeof(old_sfi)); 2002 2003 vsc9959_psfp_sfi_table_del(ocelot, stream_entry->sfid); 2004 2005 old_sfi.portmask = stream_entry->ports; 2006 sfi.portmask = stream.ports; 2007 2008 if (stream_entry->port > port) { 2009 ret = vsc9959_psfp_sfi_table_add2(ocelot, &sfi, 2010 &old_sfi); 2011 stream_entry->dummy = true; 2012 } else { 2013 ret = vsc9959_psfp_sfi_table_add2(ocelot, &old_sfi, 2014 &sfi); 2015 stream.dummy = true; 2016 } 2017 if (ret) 2018 goto err; 2019 2020 stream_entry->sfid = old_sfi.index; 2021 } else { 2022 ret = vsc9959_psfp_sfi_table_add(ocelot, &sfi); 2023 if (ret) 2024 goto err; 2025 } 2026 2027 stream.sfid = sfi.index; 2028 stream.sfid_valid = 1; 2029 ret = vsc9959_stream_table_add(ocelot, &psfp->stream_list, 2030 &stream, extack); 2031 if (ret) { 2032 vsc9959_psfp_sfi_table_del(ocelot, stream.sfid); 2033 goto err; 2034 } 2035 2036 return 0; 2037 2038 err: 2039 if (sfi.sg_valid) 2040 vsc9959_psfp_sgi_table_del(ocelot, sfi.sgid); 2041 2042 if (sfi.fm_valid) 2043 ocelot_vcap_policer_del(ocelot, sfi.fmid); 2044 2045 return ret; 2046 } 2047 2048 static int vsc9959_psfp_filter_del(struct ocelot *ocelot, 2049 struct flow_cls_offload *f) 2050 { 2051 struct felix_stream *stream, tmp, *stream_entry; 2052 static struct felix_stream_filter *sfi; 2053 struct ocelot_psfp_list *psfp; 2054 2055 psfp = &ocelot->psfp; 2056 2057 stream = vsc9959_stream_table_get(&psfp->stream_list, f->cookie); 2058 if (!stream) 2059 return -ENOMEM; 2060 2061 sfi = vsc9959_psfp_sfi_table_get(&psfp->sfi_list, stream->sfid); 2062 if (!sfi) 2063 return -ENOMEM; 2064 2065 if (sfi->sg_valid) 2066 vsc9959_psfp_sgi_table_del(ocelot, sfi->sgid); 2067 2068 if (sfi->fm_valid) 2069 ocelot_vcap_policer_del(ocelot, sfi->fmid); 2070 2071 vsc9959_psfp_sfi_table_del(ocelot, stream->sfid); 2072 2073 memcpy(&tmp, stream, sizeof(tmp)); 2074 2075 stream->sfid_valid = 0; 2076 vsc9959_stream_table_del(ocelot, stream); 2077 2078 stream_entry = vsc9959_stream_table_lookup(&psfp->stream_list, &tmp); 2079 if (stream_entry) { 2080 stream_entry->ports = BIT(stream_entry->port); 2081 if (stream_entry->dummy) { 2082 stream_entry->dummy = false; 2083 vsc9959_mact_stream_set(ocelot, stream_entry, NULL); 2084 } 2085 vsc9959_psfp_sfidmask_set(ocelot, stream_entry->sfid, 2086 stream_entry->ports); 2087 } 2088 2089 return 0; 2090 } 2091 2092 static int vsc9959_psfp_stats_get(struct ocelot *ocelot, 2093 struct flow_cls_offload *f, 2094 struct flow_stats *stats) 2095 { 2096 struct felix_stream_filter_counters counters; 2097 struct ocelot_psfp_list *psfp; 2098 struct felix_stream *stream; 2099 2100 psfp = &ocelot->psfp; 2101 stream = vsc9959_stream_table_get(&psfp->stream_list, f->cookie); 2102 if (!stream) 2103 return -ENOMEM; 2104 2105 vsc9959_psfp_counters_get(ocelot, stream->sfid, &counters); 2106 2107 stats->pkts = counters.match; 2108 stats->drops = counters.not_pass_gate + counters.not_pass_sdu + 2109 counters.red; 2110 2111 return 0; 2112 } 2113 2114 static void vsc9959_psfp_init(struct ocelot *ocelot) 2115 { 2116 struct ocelot_psfp_list *psfp = &ocelot->psfp; 2117 2118 INIT_LIST_HEAD(&psfp->stream_list); 2119 INIT_LIST_HEAD(&psfp->sfi_list); 2120 INIT_LIST_HEAD(&psfp->sgi_list); 2121 } 2122 2123 /* When using cut-through forwarding and the egress port runs at a higher data 2124 * rate than the ingress port, the packet currently under transmission would 2125 * suffer an underrun since it would be transmitted faster than it is received. 2126 * The Felix switch implementation of cut-through forwarding does not check in 2127 * hardware whether this condition is satisfied or not, so we must restrict the 2128 * list of ports that have cut-through forwarding enabled on egress to only be 2129 * the ports operating at the lowest link speed within their respective 2130 * forwarding domain. 2131 */ 2132 static void vsc9959_cut_through_fwd(struct ocelot *ocelot) 2133 { 2134 struct felix *felix = ocelot_to_felix(ocelot); 2135 struct dsa_switch *ds = felix->ds; 2136 int port, other_port; 2137 2138 lockdep_assert_held(&ocelot->fwd_domain_lock); 2139 2140 for (port = 0; port < ocelot->num_phys_ports; port++) { 2141 struct ocelot_port *ocelot_port = ocelot->ports[port]; 2142 int min_speed = ocelot_port->speed; 2143 unsigned long mask = 0; 2144 u32 tmp, val = 0; 2145 2146 /* Disable cut-through on ports that are down */ 2147 if (ocelot_port->speed <= 0) 2148 goto set; 2149 2150 if (dsa_is_cpu_port(ds, port)) { 2151 /* Ocelot switches forward from the NPI port towards 2152 * any port, regardless of it being in the NPI port's 2153 * forwarding domain or not. 2154 */ 2155 mask = dsa_user_ports(ds); 2156 } else { 2157 mask = ocelot_get_bridge_fwd_mask(ocelot, port); 2158 mask &= ~BIT(port); 2159 if (ocelot->npi >= 0) 2160 mask |= BIT(ocelot->npi); 2161 else 2162 mask |= ocelot_get_dsa_8021q_cpu_mask(ocelot); 2163 } 2164 2165 /* Calculate the minimum link speed, among the ports that are 2166 * up, of this source port's forwarding domain. 2167 */ 2168 for_each_set_bit(other_port, &mask, ocelot->num_phys_ports) { 2169 struct ocelot_port *other_ocelot_port; 2170 2171 other_ocelot_port = ocelot->ports[other_port]; 2172 if (other_ocelot_port->speed <= 0) 2173 continue; 2174 2175 if (min_speed > other_ocelot_port->speed) 2176 min_speed = other_ocelot_port->speed; 2177 } 2178 2179 /* Enable cut-through forwarding for all traffic classes. */ 2180 if (ocelot_port->speed == min_speed) 2181 val = GENMASK(7, 0); 2182 2183 set: 2184 tmp = ocelot_read_rix(ocelot, ANA_CUT_THRU_CFG, port); 2185 if (tmp == val) 2186 continue; 2187 2188 dev_dbg(ocelot->dev, 2189 "port %d fwd mask 0x%lx speed %d min_speed %d, %s cut-through forwarding\n", 2190 port, mask, ocelot_port->speed, min_speed, 2191 val ? "enabling" : "disabling"); 2192 2193 ocelot_write_rix(ocelot, val, ANA_CUT_THRU_CFG, port); 2194 } 2195 } 2196 2197 static const struct ocelot_ops vsc9959_ops = { 2198 .reset = vsc9959_reset, 2199 .wm_enc = vsc9959_wm_enc, 2200 .wm_dec = vsc9959_wm_dec, 2201 .wm_stat = vsc9959_wm_stat, 2202 .port_to_netdev = felix_port_to_netdev, 2203 .netdev_to_port = felix_netdev_to_port, 2204 .psfp_init = vsc9959_psfp_init, 2205 .psfp_filter_add = vsc9959_psfp_filter_add, 2206 .psfp_filter_del = vsc9959_psfp_filter_del, 2207 .psfp_stats_get = vsc9959_psfp_stats_get, 2208 .cut_through_fwd = vsc9959_cut_through_fwd, 2209 }; 2210 2211 static const struct felix_info felix_info_vsc9959 = { 2212 .target_io_res = vsc9959_target_io_res, 2213 .port_io_res = vsc9959_port_io_res, 2214 .imdio_res = &vsc9959_imdio_res, 2215 .regfields = vsc9959_regfields, 2216 .map = vsc9959_regmap, 2217 .ops = &vsc9959_ops, 2218 .stats_layout = vsc9959_stats_layout, 2219 .num_stats = ARRAY_SIZE(vsc9959_stats_layout), 2220 .vcap = vsc9959_vcap_props, 2221 .vcap_pol_base = VSC9959_VCAP_POLICER_BASE, 2222 .vcap_pol_max = VSC9959_VCAP_POLICER_MAX, 2223 .vcap_pol_base2 = 0, 2224 .vcap_pol_max2 = 0, 2225 .num_mact_rows = 2048, 2226 .num_ports = VSC9959_NUM_PORTS, 2227 .num_tx_queues = OCELOT_NUM_TC, 2228 .quirk_no_xtr_irq = true, 2229 .ptp_caps = &vsc9959_ptp_caps, 2230 .mdio_bus_alloc = vsc9959_mdio_bus_alloc, 2231 .mdio_bus_free = vsc9959_mdio_bus_free, 2232 .phylink_validate = vsc9959_phylink_validate, 2233 .port_modes = vsc9959_port_modes, 2234 .port_setup_tc = vsc9959_port_setup_tc, 2235 .port_sched_speed_set = vsc9959_sched_speed_set, 2236 .init_regmap = ocelot_regmap_init, 2237 }; 2238 2239 static irqreturn_t felix_irq_handler(int irq, void *data) 2240 { 2241 struct ocelot *ocelot = (struct ocelot *)data; 2242 2243 /* The INTB interrupt is used for both PTP TX timestamp interrupt 2244 * and preemption status change interrupt on each port. 2245 * 2246 * - Get txtstamp if have 2247 * - TODO: handle preemption. Without handling it, driver may get 2248 * interrupt storm. 2249 */ 2250 2251 ocelot_get_txtstamp(ocelot); 2252 2253 return IRQ_HANDLED; 2254 } 2255 2256 static int felix_pci_probe(struct pci_dev *pdev, 2257 const struct pci_device_id *id) 2258 { 2259 struct dsa_switch *ds; 2260 struct ocelot *ocelot; 2261 struct felix *felix; 2262 int err; 2263 2264 if (pdev->dev.of_node && !of_device_is_available(pdev->dev.of_node)) { 2265 dev_info(&pdev->dev, "device is disabled, skipping\n"); 2266 return -ENODEV; 2267 } 2268 2269 err = pci_enable_device(pdev); 2270 if (err) { 2271 dev_err(&pdev->dev, "device enable failed\n"); 2272 goto err_pci_enable; 2273 } 2274 2275 felix = kzalloc(sizeof(struct felix), GFP_KERNEL); 2276 if (!felix) { 2277 err = -ENOMEM; 2278 dev_err(&pdev->dev, "Failed to allocate driver memory\n"); 2279 goto err_alloc_felix; 2280 } 2281 2282 pci_set_drvdata(pdev, felix); 2283 ocelot = &felix->ocelot; 2284 ocelot->dev = &pdev->dev; 2285 ocelot->num_flooding_pgids = OCELOT_NUM_TC; 2286 felix->info = &felix_info_vsc9959; 2287 felix->switch_base = pci_resource_start(pdev, VSC9959_SWITCH_PCI_BAR); 2288 felix->imdio_base = pci_resource_start(pdev, VSC9959_IMDIO_PCI_BAR); 2289 2290 pci_set_master(pdev); 2291 2292 err = devm_request_threaded_irq(&pdev->dev, pdev->irq, NULL, 2293 &felix_irq_handler, IRQF_ONESHOT, 2294 "felix-intb", ocelot); 2295 if (err) { 2296 dev_err(&pdev->dev, "Failed to request irq\n"); 2297 goto err_alloc_irq; 2298 } 2299 2300 ocelot->ptp = 1; 2301 2302 ds = kzalloc(sizeof(struct dsa_switch), GFP_KERNEL); 2303 if (!ds) { 2304 err = -ENOMEM; 2305 dev_err(&pdev->dev, "Failed to allocate DSA switch\n"); 2306 goto err_alloc_ds; 2307 } 2308 2309 ds->dev = &pdev->dev; 2310 ds->num_ports = felix->info->num_ports; 2311 ds->num_tx_queues = felix->info->num_tx_queues; 2312 ds->ops = &felix_switch_ops; 2313 ds->priv = ocelot; 2314 felix->ds = ds; 2315 felix->tag_proto = DSA_TAG_PROTO_OCELOT; 2316 2317 err = dsa_register_switch(ds); 2318 if (err) { 2319 dev_err(&pdev->dev, "Failed to register DSA switch: %d\n", err); 2320 goto err_register_ds; 2321 } 2322 2323 return 0; 2324 2325 err_register_ds: 2326 kfree(ds); 2327 err_alloc_ds: 2328 err_alloc_irq: 2329 kfree(felix); 2330 err_alloc_felix: 2331 pci_disable_device(pdev); 2332 err_pci_enable: 2333 return err; 2334 } 2335 2336 static void felix_pci_remove(struct pci_dev *pdev) 2337 { 2338 struct felix *felix = pci_get_drvdata(pdev); 2339 2340 if (!felix) 2341 return; 2342 2343 dsa_unregister_switch(felix->ds); 2344 2345 kfree(felix->ds); 2346 kfree(felix); 2347 2348 pci_disable_device(pdev); 2349 2350 pci_set_drvdata(pdev, NULL); 2351 } 2352 2353 static void felix_pci_shutdown(struct pci_dev *pdev) 2354 { 2355 struct felix *felix = pci_get_drvdata(pdev); 2356 2357 if (!felix) 2358 return; 2359 2360 dsa_switch_shutdown(felix->ds); 2361 2362 pci_set_drvdata(pdev, NULL); 2363 } 2364 2365 static struct pci_device_id felix_ids[] = { 2366 { 2367 /* NXP LS1028A */ 2368 PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0xEEF0), 2369 }, 2370 { 0, } 2371 }; 2372 MODULE_DEVICE_TABLE(pci, felix_ids); 2373 2374 static struct pci_driver felix_vsc9959_pci_driver = { 2375 .name = "mscc_felix", 2376 .id_table = felix_ids, 2377 .probe = felix_pci_probe, 2378 .remove = felix_pci_remove, 2379 .shutdown = felix_pci_shutdown, 2380 }; 2381 module_pci_driver(felix_vsc9959_pci_driver); 2382 2383 MODULE_DESCRIPTION("Felix Switch driver"); 2384 MODULE_LICENSE("GPL v2"); 2385