1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ 3 4 #include <linux/ethtool.h> 5 #include <linux/kernel.h> 6 #include <linux/mutex.h> 7 #include <linux/netdevice.h> 8 9 #include "ionic.h" 10 #include "ionic_lif.h" 11 #include "ionic_stats.h" 12 13 static const struct ionic_stat_desc ionic_lif_stats_desc[] = { 14 IONIC_LIF_STAT_DESC(tx_packets), 15 IONIC_LIF_STAT_DESC(tx_bytes), 16 IONIC_LIF_STAT_DESC(rx_packets), 17 IONIC_LIF_STAT_DESC(rx_bytes), 18 IONIC_LIF_STAT_DESC(tx_tso), 19 IONIC_LIF_STAT_DESC(tx_tso_bytes), 20 IONIC_LIF_STAT_DESC(tx_csum_none), 21 IONIC_LIF_STAT_DESC(tx_csum), 22 IONIC_LIF_STAT_DESC(rx_csum_none), 23 IONIC_LIF_STAT_DESC(rx_csum_complete), 24 IONIC_LIF_STAT_DESC(rx_csum_error), 25 IONIC_LIF_STAT_DESC(hw_tx_dropped), 26 IONIC_LIF_STAT_DESC(hw_rx_dropped), 27 IONIC_LIF_STAT_DESC(hw_rx_over_errors), 28 IONIC_LIF_STAT_DESC(hw_rx_missed_errors), 29 IONIC_LIF_STAT_DESC(hw_tx_aborted_errors), 30 }; 31 32 static const struct ionic_stat_desc ionic_port_stats_desc[] = { 33 IONIC_PORT_STAT_DESC(frames_rx_ok), 34 IONIC_PORT_STAT_DESC(frames_rx_all), 35 IONIC_PORT_STAT_DESC(frames_rx_bad_fcs), 36 IONIC_PORT_STAT_DESC(frames_rx_bad_all), 37 IONIC_PORT_STAT_DESC(octets_rx_ok), 38 IONIC_PORT_STAT_DESC(octets_rx_all), 39 IONIC_PORT_STAT_DESC(frames_rx_unicast), 40 IONIC_PORT_STAT_DESC(frames_rx_multicast), 41 IONIC_PORT_STAT_DESC(frames_rx_broadcast), 42 IONIC_PORT_STAT_DESC(frames_rx_pause), 43 IONIC_PORT_STAT_DESC(frames_rx_bad_length), 44 IONIC_PORT_STAT_DESC(frames_rx_undersized), 45 IONIC_PORT_STAT_DESC(frames_rx_oversized), 46 IONIC_PORT_STAT_DESC(frames_rx_fragments), 47 IONIC_PORT_STAT_DESC(frames_rx_jabber), 48 IONIC_PORT_STAT_DESC(frames_rx_pripause), 49 IONIC_PORT_STAT_DESC(frames_rx_stomped_crc), 50 IONIC_PORT_STAT_DESC(frames_rx_too_long), 51 IONIC_PORT_STAT_DESC(frames_rx_vlan_good), 52 IONIC_PORT_STAT_DESC(frames_rx_dropped), 53 IONIC_PORT_STAT_DESC(frames_rx_less_than_64b), 54 IONIC_PORT_STAT_DESC(frames_rx_64b), 55 IONIC_PORT_STAT_DESC(frames_rx_65b_127b), 56 IONIC_PORT_STAT_DESC(frames_rx_128b_255b), 57 IONIC_PORT_STAT_DESC(frames_rx_256b_511b), 58 IONIC_PORT_STAT_DESC(frames_rx_512b_1023b), 59 IONIC_PORT_STAT_DESC(frames_rx_1024b_1518b), 60 IONIC_PORT_STAT_DESC(frames_rx_1519b_2047b), 61 IONIC_PORT_STAT_DESC(frames_rx_2048b_4095b), 62 IONIC_PORT_STAT_DESC(frames_rx_4096b_8191b), 63 IONIC_PORT_STAT_DESC(frames_rx_8192b_9215b), 64 IONIC_PORT_STAT_DESC(frames_rx_other), 65 IONIC_PORT_STAT_DESC(frames_tx_ok), 66 IONIC_PORT_STAT_DESC(frames_tx_all), 67 IONIC_PORT_STAT_DESC(frames_tx_bad), 68 IONIC_PORT_STAT_DESC(octets_tx_ok), 69 IONIC_PORT_STAT_DESC(octets_tx_total), 70 IONIC_PORT_STAT_DESC(frames_tx_unicast), 71 IONIC_PORT_STAT_DESC(frames_tx_multicast), 72 IONIC_PORT_STAT_DESC(frames_tx_broadcast), 73 IONIC_PORT_STAT_DESC(frames_tx_pause), 74 IONIC_PORT_STAT_DESC(frames_tx_pripause), 75 IONIC_PORT_STAT_DESC(frames_tx_vlan), 76 IONIC_PORT_STAT_DESC(frames_tx_less_than_64b), 77 IONIC_PORT_STAT_DESC(frames_tx_64b), 78 IONIC_PORT_STAT_DESC(frames_tx_65b_127b), 79 IONIC_PORT_STAT_DESC(frames_tx_128b_255b), 80 IONIC_PORT_STAT_DESC(frames_tx_256b_511b), 81 IONIC_PORT_STAT_DESC(frames_tx_512b_1023b), 82 IONIC_PORT_STAT_DESC(frames_tx_1024b_1518b), 83 IONIC_PORT_STAT_DESC(frames_tx_1519b_2047b), 84 IONIC_PORT_STAT_DESC(frames_tx_2048b_4095b), 85 IONIC_PORT_STAT_DESC(frames_tx_4096b_8191b), 86 IONIC_PORT_STAT_DESC(frames_tx_8192b_9215b), 87 IONIC_PORT_STAT_DESC(frames_tx_other), 88 IONIC_PORT_STAT_DESC(frames_tx_pri_0), 89 IONIC_PORT_STAT_DESC(frames_tx_pri_1), 90 IONIC_PORT_STAT_DESC(frames_tx_pri_2), 91 IONIC_PORT_STAT_DESC(frames_tx_pri_3), 92 IONIC_PORT_STAT_DESC(frames_tx_pri_4), 93 IONIC_PORT_STAT_DESC(frames_tx_pri_5), 94 IONIC_PORT_STAT_DESC(frames_tx_pri_6), 95 IONIC_PORT_STAT_DESC(frames_tx_pri_7), 96 IONIC_PORT_STAT_DESC(frames_rx_pri_0), 97 IONIC_PORT_STAT_DESC(frames_rx_pri_1), 98 IONIC_PORT_STAT_DESC(frames_rx_pri_2), 99 IONIC_PORT_STAT_DESC(frames_rx_pri_3), 100 IONIC_PORT_STAT_DESC(frames_rx_pri_4), 101 IONIC_PORT_STAT_DESC(frames_rx_pri_5), 102 IONIC_PORT_STAT_DESC(frames_rx_pri_6), 103 IONIC_PORT_STAT_DESC(frames_rx_pri_7), 104 IONIC_PORT_STAT_DESC(tx_pripause_0_1us_count), 105 IONIC_PORT_STAT_DESC(tx_pripause_1_1us_count), 106 IONIC_PORT_STAT_DESC(tx_pripause_2_1us_count), 107 IONIC_PORT_STAT_DESC(tx_pripause_3_1us_count), 108 IONIC_PORT_STAT_DESC(tx_pripause_4_1us_count), 109 IONIC_PORT_STAT_DESC(tx_pripause_5_1us_count), 110 IONIC_PORT_STAT_DESC(tx_pripause_6_1us_count), 111 IONIC_PORT_STAT_DESC(tx_pripause_7_1us_count), 112 IONIC_PORT_STAT_DESC(rx_pripause_0_1us_count), 113 IONIC_PORT_STAT_DESC(rx_pripause_1_1us_count), 114 IONIC_PORT_STAT_DESC(rx_pripause_2_1us_count), 115 IONIC_PORT_STAT_DESC(rx_pripause_3_1us_count), 116 IONIC_PORT_STAT_DESC(rx_pripause_4_1us_count), 117 IONIC_PORT_STAT_DESC(rx_pripause_5_1us_count), 118 IONIC_PORT_STAT_DESC(rx_pripause_6_1us_count), 119 IONIC_PORT_STAT_DESC(rx_pripause_7_1us_count), 120 IONIC_PORT_STAT_DESC(rx_pause_1us_count), 121 IONIC_PORT_STAT_DESC(frames_tx_truncated), 122 }; 123 124 static const struct ionic_stat_desc ionic_tx_stats_desc[] = { 125 IONIC_TX_STAT_DESC(pkts), 126 IONIC_TX_STAT_DESC(bytes), 127 IONIC_TX_STAT_DESC(clean), 128 IONIC_TX_STAT_DESC(dma_map_err), 129 IONIC_TX_STAT_DESC(linearize), 130 IONIC_TX_STAT_DESC(frags), 131 IONIC_TX_STAT_DESC(tso), 132 IONIC_TX_STAT_DESC(tso_bytes), 133 IONIC_TX_STAT_DESC(csum_none), 134 IONIC_TX_STAT_DESC(csum), 135 IONIC_TX_STAT_DESC(vlan_inserted), 136 }; 137 138 static const struct ionic_stat_desc ionic_rx_stats_desc[] = { 139 IONIC_RX_STAT_DESC(pkts), 140 IONIC_RX_STAT_DESC(bytes), 141 IONIC_RX_STAT_DESC(dma_map_err), 142 IONIC_RX_STAT_DESC(alloc_err), 143 IONIC_RX_STAT_DESC(csum_none), 144 IONIC_RX_STAT_DESC(csum_complete), 145 IONIC_RX_STAT_DESC(csum_error), 146 IONIC_RX_STAT_DESC(dropped), 147 IONIC_RX_STAT_DESC(vlan_stripped), 148 }; 149 150 static const struct ionic_stat_desc ionic_txq_stats_desc[] = { 151 IONIC_TX_Q_STAT_DESC(stop), 152 IONIC_TX_Q_STAT_DESC(wake), 153 IONIC_TX_Q_STAT_DESC(drop), 154 IONIC_TX_Q_STAT_DESC(dbell_count), 155 }; 156 157 static const struct ionic_stat_desc ionic_dbg_cq_stats_desc[] = { 158 IONIC_CQ_STAT_DESC(compl_count), 159 }; 160 161 static const struct ionic_stat_desc ionic_dbg_intr_stats_desc[] = { 162 IONIC_INTR_STAT_DESC(rearm_count), 163 }; 164 165 static const struct ionic_stat_desc ionic_dbg_napi_stats_desc[] = { 166 IONIC_NAPI_STAT_DESC(poll_count), 167 }; 168 169 #define IONIC_NUM_LIF_STATS ARRAY_SIZE(ionic_lif_stats_desc) 170 #define IONIC_NUM_PORT_STATS ARRAY_SIZE(ionic_port_stats_desc) 171 #define IONIC_NUM_TX_STATS ARRAY_SIZE(ionic_tx_stats_desc) 172 #define IONIC_NUM_RX_STATS ARRAY_SIZE(ionic_rx_stats_desc) 173 #define IONIC_NUM_TX_Q_STATS ARRAY_SIZE(ionic_txq_stats_desc) 174 #define IONIC_NUM_DBG_CQ_STATS ARRAY_SIZE(ionic_dbg_cq_stats_desc) 175 #define IONIC_NUM_DBG_INTR_STATS ARRAY_SIZE(ionic_dbg_intr_stats_desc) 176 #define IONIC_NUM_DBG_NAPI_STATS ARRAY_SIZE(ionic_dbg_napi_stats_desc) 177 178 #define MAX_Q(lif) ((lif)->netdev->real_num_tx_queues) 179 180 static void ionic_get_lif_stats(struct ionic_lif *lif, 181 struct ionic_lif_sw_stats *stats) 182 { 183 struct ionic_tx_stats *txstats; 184 struct ionic_rx_stats *rxstats; 185 struct rtnl_link_stats64 ns; 186 int q_num; 187 188 memset(stats, 0, sizeof(*stats)); 189 190 for (q_num = 0; q_num < MAX_Q(lif); q_num++) { 191 txstats = &lif->txqstats[q_num]; 192 stats->tx_packets += txstats->pkts; 193 stats->tx_bytes += txstats->bytes; 194 stats->tx_tso += txstats->tso; 195 stats->tx_tso_bytes += txstats->tso_bytes; 196 stats->tx_csum_none += txstats->csum_none; 197 stats->tx_csum += txstats->csum; 198 199 rxstats = &lif->rxqstats[q_num]; 200 stats->rx_packets += rxstats->pkts; 201 stats->rx_bytes += rxstats->bytes; 202 stats->rx_csum_none += rxstats->csum_none; 203 stats->rx_csum_complete += rxstats->csum_complete; 204 stats->rx_csum_error += rxstats->csum_error; 205 } 206 207 ionic_get_stats64(lif->netdev, &ns); 208 stats->hw_tx_dropped = ns.tx_dropped; 209 stats->hw_rx_dropped = ns.rx_dropped; 210 stats->hw_rx_over_errors = ns.rx_over_errors; 211 stats->hw_rx_missed_errors = ns.rx_missed_errors; 212 stats->hw_tx_aborted_errors = ns.tx_aborted_errors; 213 } 214 215 static u64 ionic_sw_stats_get_count(struct ionic_lif *lif) 216 { 217 u64 total = 0; 218 219 /* lif stats */ 220 total += IONIC_NUM_LIF_STATS; 221 222 /* tx stats */ 223 total += MAX_Q(lif) * IONIC_NUM_TX_STATS; 224 225 /* rx stats */ 226 total += MAX_Q(lif) * IONIC_NUM_RX_STATS; 227 228 /* port stats */ 229 total += IONIC_NUM_PORT_STATS; 230 231 if (test_bit(IONIC_LIF_F_UP, lif->state) && 232 test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) { 233 /* tx debug stats */ 234 total += MAX_Q(lif) * (IONIC_NUM_DBG_CQ_STATS + 235 IONIC_NUM_TX_Q_STATS + 236 IONIC_NUM_DBG_INTR_STATS + 237 IONIC_MAX_NUM_SG_CNTR); 238 239 /* rx debug stats */ 240 total += MAX_Q(lif) * (IONIC_NUM_DBG_CQ_STATS + 241 IONIC_NUM_DBG_INTR_STATS + 242 IONIC_NUM_DBG_NAPI_STATS + 243 IONIC_MAX_NUM_NAPI_CNTR); 244 } 245 246 return total; 247 } 248 249 static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf) 250 { 251 int i, q_num; 252 253 for (i = 0; i < IONIC_NUM_LIF_STATS; i++) { 254 snprintf(*buf, ETH_GSTRING_LEN, ionic_lif_stats_desc[i].name); 255 *buf += ETH_GSTRING_LEN; 256 } 257 258 for (i = 0; i < IONIC_NUM_PORT_STATS; i++) { 259 snprintf(*buf, ETH_GSTRING_LEN, 260 ionic_port_stats_desc[i].name); 261 *buf += ETH_GSTRING_LEN; 262 } 263 264 for (q_num = 0; q_num < MAX_Q(lif); q_num++) { 265 for (i = 0; i < IONIC_NUM_TX_STATS; i++) { 266 snprintf(*buf, ETH_GSTRING_LEN, "tx_%d_%s", 267 q_num, ionic_tx_stats_desc[i].name); 268 *buf += ETH_GSTRING_LEN; 269 } 270 271 if (test_bit(IONIC_LIF_F_UP, lif->state) && 272 test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) { 273 for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) { 274 snprintf(*buf, ETH_GSTRING_LEN, 275 "txq_%d_%s", 276 q_num, 277 ionic_txq_stats_desc[i].name); 278 *buf += ETH_GSTRING_LEN; 279 } 280 for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) { 281 snprintf(*buf, ETH_GSTRING_LEN, 282 "txq_%d_cq_%s", 283 q_num, 284 ionic_dbg_cq_stats_desc[i].name); 285 *buf += ETH_GSTRING_LEN; 286 } 287 for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) { 288 snprintf(*buf, ETH_GSTRING_LEN, 289 "txq_%d_intr_%s", 290 q_num, 291 ionic_dbg_intr_stats_desc[i].name); 292 *buf += ETH_GSTRING_LEN; 293 } 294 for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) { 295 snprintf(*buf, ETH_GSTRING_LEN, 296 "txq_%d_sg_cntr_%d", 297 q_num, i); 298 *buf += ETH_GSTRING_LEN; 299 } 300 } 301 } 302 for (q_num = 0; q_num < MAX_Q(lif); q_num++) { 303 for (i = 0; i < IONIC_NUM_RX_STATS; i++) { 304 snprintf(*buf, ETH_GSTRING_LEN, 305 "rx_%d_%s", 306 q_num, ionic_rx_stats_desc[i].name); 307 *buf += ETH_GSTRING_LEN; 308 } 309 310 if (test_bit(IONIC_LIF_F_UP, lif->state) && 311 test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) { 312 for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) { 313 snprintf(*buf, ETH_GSTRING_LEN, 314 "rxq_%d_cq_%s", 315 q_num, 316 ionic_dbg_cq_stats_desc[i].name); 317 *buf += ETH_GSTRING_LEN; 318 } 319 for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) { 320 snprintf(*buf, ETH_GSTRING_LEN, 321 "rxq_%d_intr_%s", 322 q_num, 323 ionic_dbg_intr_stats_desc[i].name); 324 *buf += ETH_GSTRING_LEN; 325 } 326 for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) { 327 snprintf(*buf, ETH_GSTRING_LEN, 328 "rxq_%d_napi_%s", 329 q_num, 330 ionic_dbg_napi_stats_desc[i].name); 331 *buf += ETH_GSTRING_LEN; 332 } 333 for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) { 334 snprintf(*buf, ETH_GSTRING_LEN, 335 "rxq_%d_napi_work_done_%d", 336 q_num, i); 337 *buf += ETH_GSTRING_LEN; 338 } 339 } 340 } 341 } 342 343 static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf) 344 { 345 struct ionic_port_stats *port_stats; 346 struct ionic_lif_sw_stats lif_stats; 347 struct ionic_qcq *txqcq, *rxqcq; 348 struct ionic_tx_stats *txstats; 349 struct ionic_rx_stats *rxstats; 350 int i, q_num; 351 352 ionic_get_lif_stats(lif, &lif_stats); 353 354 for (i = 0; i < IONIC_NUM_LIF_STATS; i++) { 355 **buf = IONIC_READ_STAT64(&lif_stats, &ionic_lif_stats_desc[i]); 356 (*buf)++; 357 } 358 359 port_stats = &lif->ionic->idev.port_info->stats; 360 for (i = 0; i < IONIC_NUM_PORT_STATS; i++) { 361 **buf = IONIC_READ_STAT_LE64(port_stats, 362 &ionic_port_stats_desc[i]); 363 (*buf)++; 364 } 365 366 for (q_num = 0; q_num < MAX_Q(lif); q_num++) { 367 txstats = &lif->txqstats[q_num]; 368 369 for (i = 0; i < IONIC_NUM_TX_STATS; i++) { 370 **buf = IONIC_READ_STAT64(txstats, 371 &ionic_tx_stats_desc[i]); 372 (*buf)++; 373 } 374 375 if (test_bit(IONIC_LIF_F_UP, lif->state) && 376 test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) { 377 txqcq = lif->txqcqs[q_num]; 378 for (i = 0; i < IONIC_NUM_TX_Q_STATS; i++) { 379 **buf = IONIC_READ_STAT64(&txqcq->q, 380 &ionic_txq_stats_desc[i]); 381 (*buf)++; 382 } 383 for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) { 384 **buf = IONIC_READ_STAT64(&txqcq->cq, 385 &ionic_dbg_cq_stats_desc[i]); 386 (*buf)++; 387 } 388 for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) { 389 **buf = IONIC_READ_STAT64(&txqcq->intr, 390 &ionic_dbg_intr_stats_desc[i]); 391 (*buf)++; 392 } 393 for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) { 394 **buf = txstats->sg_cntr[i]; 395 (*buf)++; 396 } 397 } 398 } 399 400 for (q_num = 0; q_num < MAX_Q(lif); q_num++) { 401 rxstats = &lif->rxqstats[q_num]; 402 403 for (i = 0; i < IONIC_NUM_RX_STATS; i++) { 404 **buf = IONIC_READ_STAT64(rxstats, 405 &ionic_rx_stats_desc[i]); 406 (*buf)++; 407 } 408 409 if (test_bit(IONIC_LIF_F_UP, lif->state) && 410 test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) { 411 rxqcq = lif->rxqcqs[q_num]; 412 for (i = 0; i < IONIC_NUM_DBG_CQ_STATS; i++) { 413 **buf = IONIC_READ_STAT64(&rxqcq->cq, 414 &ionic_dbg_cq_stats_desc[i]); 415 (*buf)++; 416 } 417 for (i = 0; i < IONIC_NUM_DBG_INTR_STATS; i++) { 418 **buf = IONIC_READ_STAT64(&rxqcq->intr, 419 &ionic_dbg_intr_stats_desc[i]); 420 (*buf)++; 421 } 422 for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) { 423 **buf = IONIC_READ_STAT64(&rxqcq->napi_stats, 424 &ionic_dbg_napi_stats_desc[i]); 425 (*buf)++; 426 } 427 for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) { 428 **buf = rxqcq->napi_stats.work_done_cntr[i]; 429 (*buf)++; 430 } 431 } 432 } 433 } 434 435 const struct ionic_stats_group_intf ionic_stats_groups[] = { 436 /* SW Stats group */ 437 { 438 .get_strings = ionic_sw_stats_get_strings, 439 .get_values = ionic_sw_stats_get_values, 440 .get_count = ionic_sw_stats_get_count, 441 }, 442 /* Add more stat groups here */ 443 }; 444 445 const int ionic_num_stats_grps = ARRAY_SIZE(ionic_stats_groups); 446