1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2013 - 2018 Intel Corporation. */ 3 4 #ifdef CONFIG_DEBUG_FS 5 6 #include <linux/fs.h> 7 #include <linux/debugfs.h> 8 9 #include "i40e.h" 10 11 static struct dentry *i40e_dbg_root; 12 13 enum ring_type { 14 RING_TYPE_RX, 15 RING_TYPE_TX, 16 RING_TYPE_XDP 17 }; 18 19 /** 20 * i40e_dbg_find_vsi - searches for the vsi with the given seid 21 * @pf: the PF structure to search for the vsi 22 * @seid: seid of the vsi it is searching for 23 **/ 24 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) 25 { 26 int i; 27 28 if (seid < 0) 29 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 30 else 31 for (i = 0; i < pf->num_alloc_vsi; i++) 32 if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) 33 return pf->vsi[i]; 34 35 return NULL; 36 } 37 38 /** 39 * i40e_dbg_find_veb - searches for the veb with the given seid 40 * @pf: the PF structure to search for the veb 41 * @seid: seid of the veb it is searching for 42 **/ 43 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) 44 { 45 int i; 46 47 for (i = 0; i < I40E_MAX_VEB; i++) 48 if (pf->veb[i] && pf->veb[i]->seid == seid) 49 return pf->veb[i]; 50 return NULL; 51 } 52 53 /************************************************************** 54 * command 55 * The command entry in debugfs is for giving the driver commands 56 * to be executed - these may be for changing the internal switch 57 * setup, adding or removing filters, or other things. Many of 58 * these will be useful for some forms of unit testing. 59 **************************************************************/ 60 static char i40e_dbg_command_buf[256] = ""; 61 62 /** 63 * i40e_dbg_command_read - read for command datum 64 * @filp: the opened file 65 * @buffer: where to write the data for the user to read 66 * @count: the size of the user's buffer 67 * @ppos: file position offset 68 **/ 69 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 70 size_t count, loff_t *ppos) 71 { 72 struct i40e_pf *pf = filp->private_data; 73 int bytes_not_copied; 74 int buf_size = 256; 75 char *buf; 76 int len; 77 78 /* don't allow partial reads */ 79 if (*ppos != 0) 80 return 0; 81 if (count < buf_size) 82 return -ENOSPC; 83 84 buf = kzalloc(buf_size, GFP_KERNEL); 85 if (!buf) 86 return -ENOSPC; 87 88 len = snprintf(buf, buf_size, "%s: %s\n", 89 pf->vsi[pf->lan_vsi]->netdev->name, 90 i40e_dbg_command_buf); 91 92 bytes_not_copied = copy_to_user(buffer, buf, len); 93 kfree(buf); 94 95 if (bytes_not_copied) 96 return -EFAULT; 97 98 *ppos = len; 99 return len; 100 } 101 102 static char *i40e_filter_state_string[] = { 103 "INVALID", 104 "NEW", 105 "ACTIVE", 106 "FAILED", 107 "REMOVE", 108 }; 109 110 /** 111 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 112 * @pf: the i40e_pf created in command write 113 * @seid: the seid the user put in 114 **/ 115 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 116 { 117 struct rtnl_link_stats64 *nstat; 118 struct i40e_mac_filter *f; 119 struct i40e_vsi *vsi; 120 int i, bkt; 121 122 vsi = i40e_dbg_find_vsi(pf, seid); 123 if (!vsi) { 124 dev_info(&pf->pdev->dev, 125 "dump %d: seid not found\n", seid); 126 return; 127 } 128 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 129 if (vsi->netdev) { 130 struct net_device *nd = vsi->netdev; 131 132 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 133 nd->name, nd->state, nd->flags); 134 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 135 (unsigned long int)nd->features); 136 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 137 (unsigned long int)nd->hw_features); 138 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 139 (unsigned long int)nd->vlan_features); 140 } 141 dev_info(&pf->pdev->dev, 142 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 143 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); 144 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) 145 dev_info(&pf->pdev->dev, 146 " state[%d] = %08lx\n", 147 i, vsi->state[i]); 148 if (vsi == pf->vsi[pf->lan_vsi]) 149 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n", 150 pf->hw.mac.addr, 151 pf->hw.mac.san_addr, 152 pf->hw.mac.port_addr); 153 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { 154 dev_info(&pf->pdev->dev, 155 " mac_filter_hash: %pM vid=%d, state %s\n", 156 f->macaddr, f->vlan, 157 i40e_filter_state_string[f->state]); 158 } 159 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n", 160 vsi->active_filters, vsi->promisc_threshold, 161 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ? 162 "ON" : "OFF")); 163 nstat = i40e_get_vsi_stats_struct(vsi); 164 dev_info(&pf->pdev->dev, 165 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 166 (unsigned long int)nstat->rx_packets, 167 (unsigned long int)nstat->rx_bytes, 168 (unsigned long int)nstat->rx_errors, 169 (unsigned long int)nstat->rx_dropped); 170 dev_info(&pf->pdev->dev, 171 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 172 (unsigned long int)nstat->tx_packets, 173 (unsigned long int)nstat->tx_bytes, 174 (unsigned long int)nstat->tx_errors, 175 (unsigned long int)nstat->tx_dropped); 176 dev_info(&pf->pdev->dev, 177 " net_stats: multicast = %lu, collisions = %lu\n", 178 (unsigned long int)nstat->multicast, 179 (unsigned long int)nstat->collisions); 180 dev_info(&pf->pdev->dev, 181 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 182 (unsigned long int)nstat->rx_length_errors, 183 (unsigned long int)nstat->rx_over_errors, 184 (unsigned long int)nstat->rx_crc_errors); 185 dev_info(&pf->pdev->dev, 186 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 187 (unsigned long int)nstat->rx_frame_errors, 188 (unsigned long int)nstat->rx_fifo_errors, 189 (unsigned long int)nstat->rx_missed_errors); 190 dev_info(&pf->pdev->dev, 191 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 192 (unsigned long int)nstat->tx_aborted_errors, 193 (unsigned long int)nstat->tx_carrier_errors, 194 (unsigned long int)nstat->tx_fifo_errors); 195 dev_info(&pf->pdev->dev, 196 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 197 (unsigned long int)nstat->tx_heartbeat_errors, 198 (unsigned long int)nstat->tx_window_errors); 199 dev_info(&pf->pdev->dev, 200 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 201 (unsigned long int)nstat->rx_compressed, 202 (unsigned long int)nstat->tx_compressed); 203 dev_info(&pf->pdev->dev, 204 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 205 (unsigned long int)vsi->net_stats_offsets.rx_packets, 206 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 207 (unsigned long int)vsi->net_stats_offsets.rx_errors, 208 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 209 dev_info(&pf->pdev->dev, 210 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 211 (unsigned long int)vsi->net_stats_offsets.tx_packets, 212 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 213 (unsigned long int)vsi->net_stats_offsets.tx_errors, 214 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 215 dev_info(&pf->pdev->dev, 216 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 217 (unsigned long int)vsi->net_stats_offsets.multicast, 218 (unsigned long int)vsi->net_stats_offsets.collisions); 219 dev_info(&pf->pdev->dev, 220 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 221 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 222 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 223 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 224 dev_info(&pf->pdev->dev, 225 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 226 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 227 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 228 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 229 dev_info(&pf->pdev->dev, 230 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 231 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 232 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 233 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 234 dev_info(&pf->pdev->dev, 235 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 236 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 237 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 238 dev_info(&pf->pdev->dev, 239 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 240 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 241 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 242 dev_info(&pf->pdev->dev, 243 " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n", 244 vsi->tx_restart, vsi->tx_busy, 245 vsi->rx_buf_failed, vsi->rx_page_failed); 246 rcu_read_lock(); 247 for (i = 0; i < vsi->num_queue_pairs; i++) { 248 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); 249 250 if (!rx_ring) 251 continue; 252 253 dev_info(&pf->pdev->dev, 254 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 255 i, *rx_ring->state, 256 rx_ring->queue_index, 257 rx_ring->reg_idx); 258 dev_info(&pf->pdev->dev, 259 " rx_rings[%i]: rx_buf_len = %d\n", 260 i, rx_ring->rx_buf_len); 261 dev_info(&pf->pdev->dev, 262 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 263 i, 264 rx_ring->next_to_use, 265 rx_ring->next_to_clean, 266 rx_ring->ring_active); 267 dev_info(&pf->pdev->dev, 268 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 269 i, rx_ring->stats.packets, 270 rx_ring->stats.bytes, 271 rx_ring->rx_stats.non_eop_descs); 272 dev_info(&pf->pdev->dev, 273 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 274 i, 275 rx_ring->rx_stats.alloc_page_failed, 276 rx_ring->rx_stats.alloc_buff_failed); 277 dev_info(&pf->pdev->dev, 278 " rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n", 279 i, 280 rx_ring->rx_stats.page_reuse_count); 281 dev_info(&pf->pdev->dev, 282 " rx_rings[%i]: size = %i\n", 283 i, rx_ring->size); 284 dev_info(&pf->pdev->dev, 285 " rx_rings[%i]: itr_setting = %d (%s)\n", 286 i, rx_ring->itr_setting, 287 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed"); 288 } 289 for (i = 0; i < vsi->num_queue_pairs; i++) { 290 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); 291 292 if (!tx_ring) 293 continue; 294 295 dev_info(&pf->pdev->dev, 296 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 297 i, *tx_ring->state, 298 tx_ring->queue_index, 299 tx_ring->reg_idx); 300 dev_info(&pf->pdev->dev, 301 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 302 i, 303 tx_ring->next_to_use, 304 tx_ring->next_to_clean, 305 tx_ring->ring_active); 306 dev_info(&pf->pdev->dev, 307 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 308 i, tx_ring->stats.packets, 309 tx_ring->stats.bytes, 310 tx_ring->tx_stats.restart_queue); 311 dev_info(&pf->pdev->dev, 312 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 313 i, 314 tx_ring->tx_stats.tx_busy, 315 tx_ring->tx_stats.tx_done_old); 316 dev_info(&pf->pdev->dev, 317 " tx_rings[%i]: size = %i\n", 318 i, tx_ring->size); 319 dev_info(&pf->pdev->dev, 320 " tx_rings[%i]: DCB tc = %d\n", 321 i, tx_ring->dcb_tc); 322 dev_info(&pf->pdev->dev, 323 " tx_rings[%i]: itr_setting = %d (%s)\n", 324 i, tx_ring->itr_setting, 325 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed"); 326 } 327 if (i40e_enabled_xdp_vsi(vsi)) { 328 for (i = 0; i < vsi->num_queue_pairs; i++) { 329 struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]); 330 331 if (!xdp_ring) 332 continue; 333 334 dev_info(&pf->pdev->dev, 335 " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 336 i, *xdp_ring->state, 337 xdp_ring->queue_index, 338 xdp_ring->reg_idx); 339 dev_info(&pf->pdev->dev, 340 " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 341 i, 342 xdp_ring->next_to_use, 343 xdp_ring->next_to_clean, 344 xdp_ring->ring_active); 345 dev_info(&pf->pdev->dev, 346 " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 347 i, xdp_ring->stats.packets, 348 xdp_ring->stats.bytes, 349 xdp_ring->tx_stats.restart_queue); 350 dev_info(&pf->pdev->dev, 351 " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 352 i, 353 xdp_ring->tx_stats.tx_busy, 354 xdp_ring->tx_stats.tx_done_old); 355 dev_info(&pf->pdev->dev, 356 " xdp_rings[%i]: size = %i\n", 357 i, xdp_ring->size); 358 dev_info(&pf->pdev->dev, 359 " xdp_rings[%i]: DCB tc = %d\n", 360 i, xdp_ring->dcb_tc); 361 dev_info(&pf->pdev->dev, 362 " xdp_rings[%i]: itr_setting = %d (%s)\n", 363 i, xdp_ring->itr_setting, 364 ITR_IS_DYNAMIC(xdp_ring->itr_setting) ? 365 "dynamic" : "fixed"); 366 } 367 } 368 rcu_read_unlock(); 369 dev_info(&pf->pdev->dev, 370 " work_limit = %d\n", 371 vsi->work_limit); 372 dev_info(&pf->pdev->dev, 373 " max_frame = %d, rx_buf_len = %d dtype = %d\n", 374 vsi->max_frame, vsi->rx_buf_len, 0); 375 dev_info(&pf->pdev->dev, 376 " num_q_vectors = %i, base_vector = %i\n", 377 vsi->num_q_vectors, vsi->base_vector); 378 dev_info(&pf->pdev->dev, 379 " seid = %d, id = %d, uplink_seid = %d\n", 380 vsi->seid, vsi->id, vsi->uplink_seid); 381 dev_info(&pf->pdev->dev, 382 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n", 383 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc, 384 vsi->num_rx_desc); 385 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 386 if (vsi->type == I40E_VSI_SRIOV) 387 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id); 388 dev_info(&pf->pdev->dev, 389 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 390 vsi->info.valid_sections, vsi->info.switch_id); 391 dev_info(&pf->pdev->dev, 392 " info: sw_reserved[] = 0x%02x 0x%02x\n", 393 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 394 dev_info(&pf->pdev->dev, 395 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 396 vsi->info.sec_flags, vsi->info.sec_reserved); 397 dev_info(&pf->pdev->dev, 398 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 399 vsi->info.pvid, vsi->info.fcoe_pvid, 400 vsi->info.port_vlan_flags); 401 dev_info(&pf->pdev->dev, 402 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 403 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 404 vsi->info.pvlan_reserved[2]); 405 dev_info(&pf->pdev->dev, 406 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 407 vsi->info.ingress_table, vsi->info.egress_table); 408 dev_info(&pf->pdev->dev, 409 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 410 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 411 vsi->info.cas_pv_reserved); 412 dev_info(&pf->pdev->dev, 413 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 414 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 415 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 416 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 417 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 418 dev_info(&pf->pdev->dev, 419 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 420 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 421 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 422 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 423 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 424 dev_info(&pf->pdev->dev, 425 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 426 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 427 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 428 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 429 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 430 dev_info(&pf->pdev->dev, 431 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 432 vsi->info.queueing_opt_flags, 433 vsi->info.queueing_opt_reserved[0], 434 vsi->info.queueing_opt_reserved[1], 435 vsi->info.queueing_opt_reserved[2]); 436 dev_info(&pf->pdev->dev, 437 " info: up_enable_bits = 0x%02x\n", 438 vsi->info.up_enable_bits); 439 dev_info(&pf->pdev->dev, 440 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 441 vsi->info.sched_reserved, vsi->info.outer_up_table); 442 dev_info(&pf->pdev->dev, 443 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 444 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 445 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 446 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 447 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 448 dev_info(&pf->pdev->dev, 449 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 450 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 451 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 452 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 453 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 454 dev_info(&pf->pdev->dev, 455 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 456 vsi->info.stat_counter_idx, vsi->info.sched_id); 457 dev_info(&pf->pdev->dev, 458 " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n", 459 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 460 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 461 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 462 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 463 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 464 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 465 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 466 dev_info(&pf->pdev->dev, 467 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 468 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 469 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 470 dev_info(&pf->pdev->dev, 471 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 472 i, vsi->tc_config.tc_info[i].qoffset, 473 vsi->tc_config.tc_info[i].qcount, 474 vsi->tc_config.tc_info[i].netdev_tc); 475 } 476 dev_info(&pf->pdev->dev, 477 " bw: bw_limit = %d, bw_max_quanta = %d\n", 478 vsi->bw_limit, vsi->bw_max_quanta); 479 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 480 dev_info(&pf->pdev->dev, 481 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 482 i, vsi->bw_ets_share_credits[i], 483 vsi->bw_ets_limit_credits[i], 484 vsi->bw_ets_max_quanta[i]); 485 } 486 } 487 488 /** 489 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 490 * @pf: the i40e_pf created in command write 491 **/ 492 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 493 { 494 struct i40e_adminq_ring *ring; 495 struct i40e_hw *hw = &pf->hw; 496 char hdr[32]; 497 int i; 498 499 snprintf(hdr, sizeof(hdr), "%s %s: ", 500 dev_driver_string(&pf->pdev->dev), 501 dev_name(&pf->pdev->dev)); 502 503 /* first the send (command) ring, then the receive (event) ring */ 504 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 505 ring = &(hw->aq.asq); 506 for (i = 0; i < ring->count; i++) { 507 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 508 509 dev_info(&pf->pdev->dev, 510 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 511 i, d->flags, d->opcode, d->datalen, d->retval, 512 d->cookie_high, d->cookie_low); 513 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 514 16, 1, d->params.raw, 16, 0); 515 } 516 517 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 518 ring = &(hw->aq.arq); 519 for (i = 0; i < ring->count; i++) { 520 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 521 522 dev_info(&pf->pdev->dev, 523 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 524 i, d->flags, d->opcode, d->datalen, d->retval, 525 d->cookie_high, d->cookie_low); 526 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 527 16, 1, d->params.raw, 16, 0); 528 } 529 } 530 531 /** 532 * i40e_dbg_dump_desc - handles dump desc write into command datum 533 * @cnt: number of arguments that the user supplied 534 * @vsi_seid: vsi id entered by user 535 * @ring_id: ring id entered by user 536 * @desc_n: descriptor number entered by user 537 * @pf: the i40e_pf created in command write 538 * @type: enum describing whether ring is RX, TX or XDP 539 **/ 540 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 541 struct i40e_pf *pf, enum ring_type type) 542 { 543 bool is_rx_ring = type == RING_TYPE_RX; 544 struct i40e_tx_desc *txd; 545 union i40e_rx_desc *rxd; 546 struct i40e_ring *ring; 547 struct i40e_vsi *vsi; 548 int i; 549 550 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 551 if (!vsi) { 552 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 553 return; 554 } 555 if (vsi->type != I40E_VSI_MAIN && 556 vsi->type != I40E_VSI_FDIR && 557 vsi->type != I40E_VSI_VMDQ2) { 558 dev_info(&pf->pdev->dev, 559 "vsi %d type %d descriptor rings not available\n", 560 vsi_seid, vsi->type); 561 return; 562 } 563 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { 564 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid); 565 return; 566 } 567 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 568 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 569 return; 570 } 571 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 572 dev_info(&pf->pdev->dev, 573 "descriptor rings have not been allocated for vsi %d\n", 574 vsi_seid); 575 return; 576 } 577 578 switch (type) { 579 case RING_TYPE_RX: 580 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 581 break; 582 case RING_TYPE_TX: 583 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 584 break; 585 case RING_TYPE_XDP: 586 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); 587 break; 588 default: 589 ring = NULL; 590 break; 591 } 592 if (!ring) 593 return; 594 595 if (cnt == 2) { 596 switch (type) { 597 case RING_TYPE_RX: 598 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id); 599 break; 600 case RING_TYPE_TX: 601 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id); 602 break; 603 case RING_TYPE_XDP: 604 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id); 605 break; 606 } 607 for (i = 0; i < ring->count; i++) { 608 if (!is_rx_ring) { 609 txd = I40E_TX_DESC(ring, i); 610 dev_info(&pf->pdev->dev, 611 " d[%03x] = 0x%016llx 0x%016llx\n", 612 i, txd->buffer_addr, 613 txd->cmd_type_offset_bsz); 614 } else { 615 rxd = I40E_RX_DESC(ring, i); 616 dev_info(&pf->pdev->dev, 617 " d[%03x] = 0x%016llx 0x%016llx\n", 618 i, rxd->read.pkt_addr, 619 rxd->read.hdr_addr); 620 } 621 } 622 } else if (cnt == 3) { 623 if (desc_n >= ring->count || desc_n < 0) { 624 dev_info(&pf->pdev->dev, 625 "descriptor %d not found\n", desc_n); 626 goto out; 627 } 628 if (!is_rx_ring) { 629 txd = I40E_TX_DESC(ring, desc_n); 630 dev_info(&pf->pdev->dev, 631 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 632 vsi_seid, ring_id, desc_n, 633 txd->buffer_addr, txd->cmd_type_offset_bsz); 634 } else { 635 rxd = I40E_RX_DESC(ring, desc_n); 636 dev_info(&pf->pdev->dev, 637 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 638 vsi_seid, ring_id, desc_n, 639 rxd->read.pkt_addr, rxd->read.hdr_addr); 640 } 641 } else { 642 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 643 } 644 645 out: 646 kfree(ring); 647 } 648 649 /** 650 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 651 * @pf: the i40e_pf created in command write 652 **/ 653 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 654 { 655 int i; 656 657 for (i = 0; i < pf->num_alloc_vsi; i++) 658 if (pf->vsi[i]) 659 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 660 i, pf->vsi[i]->seid); 661 } 662 663 /** 664 * i40e_dbg_dump_eth_stats - handles dump stats write into command datum 665 * @pf: the i40e_pf created in command write 666 * @estats: the eth stats structure to be dumped 667 **/ 668 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 669 struct i40e_eth_stats *estats) 670 { 671 dev_info(&pf->pdev->dev, " ethstats:\n"); 672 dev_info(&pf->pdev->dev, 673 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 674 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 675 dev_info(&pf->pdev->dev, 676 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 677 estats->rx_broadcast, estats->rx_discards); 678 dev_info(&pf->pdev->dev, 679 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 680 estats->rx_unknown_protocol, estats->tx_bytes); 681 dev_info(&pf->pdev->dev, 682 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 683 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 684 dev_info(&pf->pdev->dev, 685 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 686 estats->tx_discards, estats->tx_errors); 687 } 688 689 /** 690 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 691 * @pf: the i40e_pf created in command write 692 * @seid: the seid the user put in 693 **/ 694 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 695 { 696 struct i40e_veb *veb; 697 698 veb = i40e_dbg_find_veb(pf, seid); 699 if (!veb) { 700 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 701 return; 702 } 703 dev_info(&pf->pdev->dev, 704 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 705 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 706 veb->uplink_seid, 707 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 708 i40e_dbg_dump_eth_stats(pf, &veb->stats); 709 } 710 711 /** 712 * i40e_dbg_dump_veb_all - dumps all known veb's stats 713 * @pf: the i40e_pf created in command write 714 **/ 715 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 716 { 717 struct i40e_veb *veb; 718 int i; 719 720 for (i = 0; i < I40E_MAX_VEB; i++) { 721 veb = pf->veb[i]; 722 if (veb) 723 i40e_dbg_dump_veb_seid(pf, veb->seid); 724 } 725 } 726 727 /** 728 * i40e_dbg_dump_vf - dump VF info 729 * @pf: the i40e_pf created in command write 730 * @vf_id: the vf_id from the user 731 **/ 732 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 733 { 734 struct i40e_vf *vf; 735 struct i40e_vsi *vsi; 736 737 if (!pf->num_alloc_vfs) { 738 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 739 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 740 vf = &pf->vf[vf_id]; 741 vsi = pf->vsi[vf->lan_vsi_idx]; 742 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 743 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 744 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n", 745 vf->num_mdd_events, 746 vf->num_invalid_msgs, 747 vf->num_valid_msgs); 748 } else { 749 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 750 } 751 } 752 753 /** 754 * i40e_dbg_dump_vf_all - dump VF info for all VFs 755 * @pf: the i40e_pf created in command write 756 **/ 757 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 758 { 759 int i; 760 761 if (!pf->num_alloc_vfs) 762 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 763 else 764 for (i = 0; i < pf->num_alloc_vfs; i++) 765 i40e_dbg_dump_vf(pf, i); 766 } 767 768 /** 769 * i40e_dbg_command_write - write into command datum 770 * @filp: the opened file 771 * @buffer: where to find the user's data 772 * @count: the length of the user's data 773 * @ppos: file position offset 774 **/ 775 static ssize_t i40e_dbg_command_write(struct file *filp, 776 const char __user *buffer, 777 size_t count, loff_t *ppos) 778 { 779 struct i40e_pf *pf = filp->private_data; 780 char *cmd_buf, *cmd_buf_tmp; 781 int bytes_not_copied; 782 struct i40e_vsi *vsi; 783 int vsi_seid; 784 int veb_seid; 785 int vf_id; 786 int cnt; 787 788 /* don't allow partial writes */ 789 if (*ppos != 0) 790 return 0; 791 792 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 793 if (!cmd_buf) 794 return count; 795 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 796 if (bytes_not_copied) { 797 kfree(cmd_buf); 798 return -EFAULT; 799 } 800 cmd_buf[count] = '\0'; 801 802 cmd_buf_tmp = strchr(cmd_buf, '\n'); 803 if (cmd_buf_tmp) { 804 *cmd_buf_tmp = '\0'; 805 count = cmd_buf_tmp - cmd_buf + 1; 806 } 807 808 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 809 vsi_seid = -1; 810 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 811 if (cnt == 0) { 812 /* default to PF VSI */ 813 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 814 } else if (vsi_seid < 0) { 815 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 816 vsi_seid); 817 goto command_write_done; 818 } 819 820 /* By default we are in VEPA mode, if this is the first VF/VMDq 821 * VSI to be added switch to VEB mode. 822 */ 823 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 824 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 825 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 826 } 827 828 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 829 if (vsi) 830 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 831 vsi->seid, vsi->uplink_seid); 832 else 833 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 834 835 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 836 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 837 if (cnt != 1) { 838 dev_info(&pf->pdev->dev, 839 "del vsi: bad command string, cnt=%d\n", 840 cnt); 841 goto command_write_done; 842 } 843 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 844 if (!vsi) { 845 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 846 vsi_seid); 847 goto command_write_done; 848 } 849 850 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 851 i40e_vsi_release(vsi); 852 853 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 854 struct i40e_veb *veb; 855 int uplink_seid, i; 856 857 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 858 if (cnt != 2) { 859 dev_info(&pf->pdev->dev, 860 "add relay: bad command string, cnt=%d\n", 861 cnt); 862 goto command_write_done; 863 } else if (uplink_seid < 0) { 864 dev_info(&pf->pdev->dev, 865 "add relay %d: bad uplink seid\n", 866 uplink_seid); 867 goto command_write_done; 868 } 869 870 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 871 if (!vsi) { 872 dev_info(&pf->pdev->dev, 873 "add relay: VSI %d not found\n", vsi_seid); 874 goto command_write_done; 875 } 876 877 for (i = 0; i < I40E_MAX_VEB; i++) 878 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 879 break; 880 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 881 uplink_seid != pf->mac_seid) { 882 dev_info(&pf->pdev->dev, 883 "add relay: relay uplink %d not found\n", 884 uplink_seid); 885 goto command_write_done; 886 } 887 888 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 889 vsi->tc_config.enabled_tc); 890 if (veb) 891 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 892 else 893 dev_info(&pf->pdev->dev, "add relay failed\n"); 894 895 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 896 int i; 897 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 898 if (cnt != 1) { 899 dev_info(&pf->pdev->dev, 900 "del relay: bad command string, cnt=%d\n", 901 cnt); 902 goto command_write_done; 903 } else if (veb_seid < 0) { 904 dev_info(&pf->pdev->dev, 905 "del relay %d: bad relay seid\n", veb_seid); 906 goto command_write_done; 907 } 908 909 /* find the veb */ 910 for (i = 0; i < I40E_MAX_VEB; i++) 911 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 912 break; 913 if (i >= I40E_MAX_VEB) { 914 dev_info(&pf->pdev->dev, 915 "del relay: relay %d not found\n", veb_seid); 916 goto command_write_done; 917 } 918 919 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 920 i40e_veb_release(pf->veb[i]); 921 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 922 i40e_status ret; 923 u16 vid; 924 unsigned int v; 925 926 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 927 if (cnt != 2) { 928 dev_info(&pf->pdev->dev, 929 "add pvid: bad command string, cnt=%d\n", cnt); 930 goto command_write_done; 931 } 932 933 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 934 if (!vsi) { 935 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 936 vsi_seid); 937 goto command_write_done; 938 } 939 940 vid = v; 941 ret = i40e_vsi_add_pvid(vsi, vid); 942 if (!ret) 943 dev_info(&pf->pdev->dev, 944 "add pvid: %d added to VSI %d\n", 945 vid, vsi_seid); 946 else 947 dev_info(&pf->pdev->dev, 948 "add pvid: %d to VSI %d failed, ret=%d\n", 949 vid, vsi_seid, ret); 950 951 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 952 953 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 954 if (cnt != 1) { 955 dev_info(&pf->pdev->dev, 956 "del pvid: bad command string, cnt=%d\n", 957 cnt); 958 goto command_write_done; 959 } 960 961 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 962 if (!vsi) { 963 dev_info(&pf->pdev->dev, 964 "del pvid: VSI %d not found\n", vsi_seid); 965 goto command_write_done; 966 } 967 968 i40e_vsi_remove_pvid(vsi); 969 dev_info(&pf->pdev->dev, 970 "del pvid: removed from VSI %d\n", vsi_seid); 971 972 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 973 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 974 i40e_fetch_switch_configuration(pf, true); 975 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 976 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 977 if (cnt > 0) 978 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 979 else 980 i40e_dbg_dump_vsi_no_seid(pf); 981 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 982 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 983 if (cnt > 0) 984 i40e_dbg_dump_veb_seid(pf, vsi_seid); 985 else 986 i40e_dbg_dump_veb_all(pf); 987 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 988 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 989 if (cnt > 0) 990 i40e_dbg_dump_vf(pf, vf_id); 991 else 992 i40e_dbg_dump_vf_all(pf); 993 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 994 int ring_id, desc_n; 995 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 996 cnt = sscanf(&cmd_buf[12], "%i %i %i", 997 &vsi_seid, &ring_id, &desc_n); 998 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 999 desc_n, pf, RING_TYPE_RX); 1000 } else if (strncmp(&cmd_buf[10], "tx", 2) 1001 == 0) { 1002 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1003 &vsi_seid, &ring_id, &desc_n); 1004 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1005 desc_n, pf, RING_TYPE_TX); 1006 } else if (strncmp(&cmd_buf[10], "xdp", 3) 1007 == 0) { 1008 cnt = sscanf(&cmd_buf[13], "%i %i %i", 1009 &vsi_seid, &ring_id, &desc_n); 1010 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1011 desc_n, pf, RING_TYPE_XDP); 1012 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1013 i40e_dbg_dump_aq_desc(pf); 1014 } else { 1015 dev_info(&pf->pdev->dev, 1016 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1017 dev_info(&pf->pdev->dev, 1018 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1019 dev_info(&pf->pdev->dev, 1020 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1021 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1022 } 1023 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1024 dev_info(&pf->pdev->dev, 1025 "core reset count: %d\n", pf->corer_count); 1026 dev_info(&pf->pdev->dev, 1027 "global reset count: %d\n", pf->globr_count); 1028 dev_info(&pf->pdev->dev, 1029 "emp reset count: %d\n", pf->empr_count); 1030 dev_info(&pf->pdev->dev, 1031 "pf reset count: %d\n", pf->pfr_count); 1032 dev_info(&pf->pdev->dev, 1033 "pf tx sluggish count: %d\n", 1034 pf->tx_sluggish_count); 1035 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1036 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1037 struct i40e_dcbx_config *cfg = 1038 &pf->hw.local_dcbx_config; 1039 struct i40e_dcbx_config *r_cfg = 1040 &pf->hw.remote_dcbx_config; 1041 int i, ret; 1042 u16 switch_id; 1043 1044 bw_data = kzalloc(sizeof( 1045 struct i40e_aqc_query_port_ets_config_resp), 1046 GFP_KERNEL); 1047 if (!bw_data) { 1048 ret = -ENOMEM; 1049 goto command_write_done; 1050 } 1051 1052 vsi = pf->vsi[pf->lan_vsi]; 1053 switch_id = 1054 le16_to_cpu(vsi->info.switch_id) & 1055 I40E_AQ_VSI_SW_ID_MASK; 1056 1057 ret = i40e_aq_query_port_ets_config(&pf->hw, 1058 switch_id, 1059 bw_data, NULL); 1060 if (ret) { 1061 dev_info(&pf->pdev->dev, 1062 "Query Port ETS Config AQ command failed =0x%x\n", 1063 pf->hw.aq.asq_last_status); 1064 kfree(bw_data); 1065 bw_data = NULL; 1066 goto command_write_done; 1067 } 1068 dev_info(&pf->pdev->dev, 1069 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1070 bw_data->tc_valid_bits, 1071 bw_data->tc_strict_priority_bits, 1072 le16_to_cpu(bw_data->tc_bw_max[0]), 1073 le16_to_cpu(bw_data->tc_bw_max[1])); 1074 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1075 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1076 bw_data->tc_bw_share_credits[i], 1077 le16_to_cpu(bw_data->tc_bw_limits[i])); 1078 } 1079 1080 kfree(bw_data); 1081 bw_data = NULL; 1082 1083 dev_info(&pf->pdev->dev, 1084 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1085 dev_info(&pf->pdev->dev, 1086 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1087 cfg->etscfg.willing, cfg->etscfg.cbs, 1088 cfg->etscfg.maxtcs); 1089 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1090 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1091 i, cfg->etscfg.prioritytable[i], 1092 cfg->etscfg.tcbwtable[i], 1093 cfg->etscfg.tsatable[i]); 1094 } 1095 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1096 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1097 i, cfg->etsrec.prioritytable[i], 1098 cfg->etsrec.tcbwtable[i], 1099 cfg->etsrec.tsatable[i]); 1100 } 1101 dev_info(&pf->pdev->dev, 1102 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1103 cfg->pfc.willing, cfg->pfc.mbc, 1104 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1105 dev_info(&pf->pdev->dev, 1106 "port app_table: num_apps=%d\n", cfg->numapps); 1107 for (i = 0; i < cfg->numapps; i++) { 1108 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1109 i, cfg->app[i].priority, 1110 cfg->app[i].selector, 1111 cfg->app[i].protocolid); 1112 } 1113 /* Peer TLV DCBX data */ 1114 dev_info(&pf->pdev->dev, 1115 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1116 r_cfg->etscfg.willing, 1117 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1118 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1119 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1120 i, r_cfg->etscfg.prioritytable[i], 1121 r_cfg->etscfg.tcbwtable[i], 1122 r_cfg->etscfg.tsatable[i]); 1123 } 1124 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1125 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1126 i, r_cfg->etsrec.prioritytable[i], 1127 r_cfg->etsrec.tcbwtable[i], 1128 r_cfg->etsrec.tsatable[i]); 1129 } 1130 dev_info(&pf->pdev->dev, 1131 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1132 r_cfg->pfc.willing, 1133 r_cfg->pfc.mbc, 1134 r_cfg->pfc.pfccap, 1135 r_cfg->pfc.pfcenable); 1136 dev_info(&pf->pdev->dev, 1137 "remote port app_table: num_apps=%d\n", 1138 r_cfg->numapps); 1139 for (i = 0; i < r_cfg->numapps; i++) { 1140 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1141 i, r_cfg->app[i].priority, 1142 r_cfg->app[i].selector, 1143 r_cfg->app[i].protocolid); 1144 } 1145 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1146 int cluster_id, table_id; 1147 int index, ret; 1148 u16 buff_len = 4096; 1149 u32 next_index; 1150 u8 next_table; 1151 u8 *buff; 1152 u16 rlen; 1153 1154 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1155 &cluster_id, &table_id, &index); 1156 if (cnt != 3) { 1157 dev_info(&pf->pdev->dev, 1158 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1159 goto command_write_done; 1160 } 1161 1162 dev_info(&pf->pdev->dev, 1163 "AQ debug dump fwdata params %x %x %x %x\n", 1164 cluster_id, table_id, index, buff_len); 1165 buff = kzalloc(buff_len, GFP_KERNEL); 1166 if (!buff) 1167 goto command_write_done; 1168 1169 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1170 index, buff_len, buff, &rlen, 1171 &next_table, &next_index, 1172 NULL); 1173 if (ret) { 1174 dev_info(&pf->pdev->dev, 1175 "debug dump fwdata AQ Failed %d 0x%x\n", 1176 ret, pf->hw.aq.asq_last_status); 1177 kfree(buff); 1178 buff = NULL; 1179 goto command_write_done; 1180 } 1181 dev_info(&pf->pdev->dev, 1182 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1183 rlen, next_table, next_index); 1184 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1185 DUMP_PREFIX_OFFSET, 16, 1, 1186 buff, rlen, true); 1187 kfree(buff); 1188 buff = NULL; 1189 } else { 1190 dev_info(&pf->pdev->dev, 1191 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n"); 1192 dev_info(&pf->pdev->dev, "dump switch\n"); 1193 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1194 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1195 dev_info(&pf->pdev->dev, "dump port\n"); 1196 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1197 dev_info(&pf->pdev->dev, 1198 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1199 } 1200 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1201 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1202 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1203 1204 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1205 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1206 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1207 1208 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1209 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1210 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1211 1212 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1213 u32 address; 1214 u32 value; 1215 1216 cnt = sscanf(&cmd_buf[4], "%i", &address); 1217 if (cnt != 1) { 1218 dev_info(&pf->pdev->dev, "read <reg>\n"); 1219 goto command_write_done; 1220 } 1221 1222 /* check the range on address */ 1223 if (address > (pf->ioremap_len - sizeof(u32))) { 1224 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1225 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1226 goto command_write_done; 1227 } 1228 1229 value = rd32(&pf->hw, address); 1230 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1231 address, value); 1232 1233 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1234 u32 address, value; 1235 1236 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1237 if (cnt != 2) { 1238 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1239 goto command_write_done; 1240 } 1241 1242 /* check the range on address */ 1243 if (address > (pf->ioremap_len - sizeof(u32))) { 1244 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1245 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1246 goto command_write_done; 1247 } 1248 wr32(&pf->hw, address, value); 1249 value = rd32(&pf->hw, address); 1250 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1251 address, value); 1252 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1253 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1254 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1255 if (cnt == 0) { 1256 int i; 1257 1258 for (i = 0; i < pf->num_alloc_vsi; i++) 1259 i40e_vsi_reset_stats(pf->vsi[i]); 1260 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1261 } else if (cnt == 1) { 1262 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1263 if (!vsi) { 1264 dev_info(&pf->pdev->dev, 1265 "clear_stats vsi: bad vsi %d\n", 1266 vsi_seid); 1267 goto command_write_done; 1268 } 1269 i40e_vsi_reset_stats(vsi); 1270 dev_info(&pf->pdev->dev, 1271 "vsi clear stats called for vsi %d\n", 1272 vsi_seid); 1273 } else { 1274 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1275 } 1276 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1277 if (pf->hw.partition_id == 1) { 1278 i40e_pf_reset_stats(pf); 1279 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1280 } else { 1281 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1282 } 1283 } else { 1284 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1285 } 1286 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1287 struct i40e_aq_desc *desc; 1288 i40e_status ret; 1289 1290 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1291 if (!desc) 1292 goto command_write_done; 1293 cnt = sscanf(&cmd_buf[11], 1294 "%hi %hi %hi %hi %i %i %i %i %i %i", 1295 &desc->flags, 1296 &desc->opcode, &desc->datalen, &desc->retval, 1297 &desc->cookie_high, &desc->cookie_low, 1298 &desc->params.internal.param0, 1299 &desc->params.internal.param1, 1300 &desc->params.internal.param2, 1301 &desc->params.internal.param3); 1302 if (cnt != 10) { 1303 dev_info(&pf->pdev->dev, 1304 "send aq_cmd: bad command string, cnt=%d\n", 1305 cnt); 1306 kfree(desc); 1307 desc = NULL; 1308 goto command_write_done; 1309 } 1310 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1311 if (!ret) { 1312 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1313 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1314 dev_info(&pf->pdev->dev, 1315 "AQ command send failed Opcode %x AQ Error: %d\n", 1316 desc->opcode, pf->hw.aq.asq_last_status); 1317 } else { 1318 dev_info(&pf->pdev->dev, 1319 "AQ command send failed Opcode %x Status: %d\n", 1320 desc->opcode, ret); 1321 } 1322 dev_info(&pf->pdev->dev, 1323 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1324 desc->flags, desc->opcode, desc->datalen, desc->retval, 1325 desc->cookie_high, desc->cookie_low, 1326 desc->params.internal.param0, 1327 desc->params.internal.param1, 1328 desc->params.internal.param2, 1329 desc->params.internal.param3); 1330 kfree(desc); 1331 desc = NULL; 1332 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1333 struct i40e_aq_desc *desc; 1334 i40e_status ret; 1335 u16 buffer_len; 1336 u8 *buff; 1337 1338 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1339 if (!desc) 1340 goto command_write_done; 1341 cnt = sscanf(&cmd_buf[20], 1342 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1343 &desc->flags, 1344 &desc->opcode, &desc->datalen, &desc->retval, 1345 &desc->cookie_high, &desc->cookie_low, 1346 &desc->params.internal.param0, 1347 &desc->params.internal.param1, 1348 &desc->params.internal.param2, 1349 &desc->params.internal.param3, 1350 &buffer_len); 1351 if (cnt != 11) { 1352 dev_info(&pf->pdev->dev, 1353 "send indirect aq_cmd: bad command string, cnt=%d\n", 1354 cnt); 1355 kfree(desc); 1356 desc = NULL; 1357 goto command_write_done; 1358 } 1359 /* Just stub a buffer big enough in case user messed up */ 1360 if (buffer_len == 0) 1361 buffer_len = 1280; 1362 1363 buff = kzalloc(buffer_len, GFP_KERNEL); 1364 if (!buff) { 1365 kfree(desc); 1366 desc = NULL; 1367 goto command_write_done; 1368 } 1369 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1370 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1371 buffer_len, NULL); 1372 if (!ret) { 1373 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1374 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1375 dev_info(&pf->pdev->dev, 1376 "AQ command send failed Opcode %x AQ Error: %d\n", 1377 desc->opcode, pf->hw.aq.asq_last_status); 1378 } else { 1379 dev_info(&pf->pdev->dev, 1380 "AQ command send failed Opcode %x Status: %d\n", 1381 desc->opcode, ret); 1382 } 1383 dev_info(&pf->pdev->dev, 1384 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1385 desc->flags, desc->opcode, desc->datalen, desc->retval, 1386 desc->cookie_high, desc->cookie_low, 1387 desc->params.internal.param0, 1388 desc->params.internal.param1, 1389 desc->params.internal.param2, 1390 desc->params.internal.param3); 1391 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1392 DUMP_PREFIX_OFFSET, 16, 1, 1393 buff, buffer_len, true); 1394 kfree(buff); 1395 buff = NULL; 1396 kfree(desc); 1397 desc = NULL; 1398 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1399 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1400 i40e_get_current_fd_count(pf)); 1401 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1402 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1403 int ret; 1404 1405 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL); 1406 if (ret) { 1407 dev_info(&pf->pdev->dev, 1408 "Stop LLDP AQ command failed =0x%x\n", 1409 pf->hw.aq.asq_last_status); 1410 goto command_write_done; 1411 } 1412 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1413 pf->hw.mac.addr, 1414 ETH_P_LLDP, 0, 1415 pf->vsi[pf->lan_vsi]->seid, 1416 0, true, NULL, NULL); 1417 if (ret) { 1418 dev_info(&pf->pdev->dev, 1419 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1420 __func__, pf->hw.aq.asq_last_status); 1421 goto command_write_done; 1422 } 1423 #ifdef CONFIG_I40E_DCB 1424 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1425 DCB_CAP_DCBX_VER_IEEE; 1426 #endif /* CONFIG_I40E_DCB */ 1427 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1428 int ret; 1429 1430 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1431 pf->hw.mac.addr, 1432 ETH_P_LLDP, 0, 1433 pf->vsi[pf->lan_vsi]->seid, 1434 0, false, NULL, NULL); 1435 if (ret) { 1436 dev_info(&pf->pdev->dev, 1437 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1438 __func__, pf->hw.aq.asq_last_status); 1439 /* Continue and start FW LLDP anyways */ 1440 } 1441 1442 ret = i40e_aq_start_lldp(&pf->hw, false, NULL); 1443 if (ret) { 1444 dev_info(&pf->pdev->dev, 1445 "Start LLDP AQ command failed =0x%x\n", 1446 pf->hw.aq.asq_last_status); 1447 goto command_write_done; 1448 } 1449 #ifdef CONFIG_I40E_DCB 1450 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1451 DCB_CAP_DCBX_VER_IEEE; 1452 #endif /* CONFIG_I40E_DCB */ 1453 } else if (strncmp(&cmd_buf[5], 1454 "get local", 9) == 0) { 1455 u16 llen, rlen; 1456 int ret; 1457 u8 *buff; 1458 1459 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1460 if (!buff) 1461 goto command_write_done; 1462 1463 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1464 I40E_AQ_LLDP_MIB_LOCAL, 1465 buff, I40E_LLDPDU_SIZE, 1466 &llen, &rlen, NULL); 1467 if (ret) { 1468 dev_info(&pf->pdev->dev, 1469 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1470 pf->hw.aq.asq_last_status); 1471 kfree(buff); 1472 buff = NULL; 1473 goto command_write_done; 1474 } 1475 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1476 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1477 DUMP_PREFIX_OFFSET, 16, 1, 1478 buff, I40E_LLDPDU_SIZE, true); 1479 kfree(buff); 1480 buff = NULL; 1481 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1482 u16 llen, rlen; 1483 int ret; 1484 u8 *buff; 1485 1486 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1487 if (!buff) 1488 goto command_write_done; 1489 1490 ret = i40e_aq_get_lldp_mib(&pf->hw, 1491 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1492 I40E_AQ_LLDP_MIB_REMOTE, 1493 buff, I40E_LLDPDU_SIZE, 1494 &llen, &rlen, NULL); 1495 if (ret) { 1496 dev_info(&pf->pdev->dev, 1497 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1498 pf->hw.aq.asq_last_status); 1499 kfree(buff); 1500 buff = NULL; 1501 goto command_write_done; 1502 } 1503 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1504 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1505 DUMP_PREFIX_OFFSET, 16, 1, 1506 buff, I40E_LLDPDU_SIZE, true); 1507 kfree(buff); 1508 buff = NULL; 1509 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1510 int ret; 1511 1512 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1513 true, NULL); 1514 if (ret) { 1515 dev_info(&pf->pdev->dev, 1516 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1517 pf->hw.aq.asq_last_status); 1518 goto command_write_done; 1519 } 1520 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1521 int ret; 1522 1523 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1524 false, NULL); 1525 if (ret) { 1526 dev_info(&pf->pdev->dev, 1527 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1528 pf->hw.aq.asq_last_status); 1529 goto command_write_done; 1530 } 1531 } 1532 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1533 u16 buffer_len, bytes; 1534 u16 module; 1535 u32 offset; 1536 u16 *buff; 1537 int ret; 1538 1539 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1540 &module, &offset, &buffer_len); 1541 if (cnt == 0) { 1542 module = 0; 1543 offset = 0; 1544 buffer_len = 0; 1545 } else if (cnt == 1) { 1546 offset = 0; 1547 buffer_len = 0; 1548 } else if (cnt == 2) { 1549 buffer_len = 0; 1550 } else if (cnt > 3) { 1551 dev_info(&pf->pdev->dev, 1552 "nvm read: bad command string, cnt=%d\n", cnt); 1553 goto command_write_done; 1554 } 1555 1556 /* set the max length */ 1557 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1558 1559 bytes = 2 * buffer_len; 1560 1561 /* read at least 1k bytes, no more than 4kB */ 1562 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1563 buff = kzalloc(bytes, GFP_KERNEL); 1564 if (!buff) 1565 goto command_write_done; 1566 1567 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1568 if (ret) { 1569 dev_info(&pf->pdev->dev, 1570 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1571 ret, pf->hw.aq.asq_last_status); 1572 kfree(buff); 1573 goto command_write_done; 1574 } 1575 1576 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1577 bytes, (u8 *)buff, true, NULL); 1578 i40e_release_nvm(&pf->hw); 1579 if (ret) { 1580 dev_info(&pf->pdev->dev, 1581 "Read NVM AQ failed err=%d status=0x%x\n", 1582 ret, pf->hw.aq.asq_last_status); 1583 } else { 1584 dev_info(&pf->pdev->dev, 1585 "Read NVM module=0x%x offset=0x%x words=%d\n", 1586 module, offset, buffer_len); 1587 if (bytes) 1588 print_hex_dump(KERN_INFO, "NVM Dump: ", 1589 DUMP_PREFIX_OFFSET, 16, 2, 1590 buff, bytes, true); 1591 } 1592 kfree(buff); 1593 buff = NULL; 1594 } else { 1595 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1596 dev_info(&pf->pdev->dev, "available commands\n"); 1597 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1598 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1599 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1600 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1601 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1602 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1603 dev_info(&pf->pdev->dev, " dump switch\n"); 1604 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1605 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1606 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1607 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1608 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1609 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1610 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1611 dev_info(&pf->pdev->dev, " read <reg>\n"); 1612 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1613 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1614 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1615 dev_info(&pf->pdev->dev, " pfr\n"); 1616 dev_info(&pf->pdev->dev, " corer\n"); 1617 dev_info(&pf->pdev->dev, " globr\n"); 1618 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1619 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1620 dev_info(&pf->pdev->dev, " fd current cnt"); 1621 dev_info(&pf->pdev->dev, " lldp start\n"); 1622 dev_info(&pf->pdev->dev, " lldp stop\n"); 1623 dev_info(&pf->pdev->dev, " lldp get local\n"); 1624 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1625 dev_info(&pf->pdev->dev, " lldp event on\n"); 1626 dev_info(&pf->pdev->dev, " lldp event off\n"); 1627 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1628 } 1629 1630 command_write_done: 1631 kfree(cmd_buf); 1632 cmd_buf = NULL; 1633 return count; 1634 } 1635 1636 static const struct file_operations i40e_dbg_command_fops = { 1637 .owner = THIS_MODULE, 1638 .open = simple_open, 1639 .read = i40e_dbg_command_read, 1640 .write = i40e_dbg_command_write, 1641 }; 1642 1643 /************************************************************** 1644 * netdev_ops 1645 * The netdev_ops entry in debugfs is for giving the driver commands 1646 * to be executed from the netdev operations. 1647 **************************************************************/ 1648 static char i40e_dbg_netdev_ops_buf[256] = ""; 1649 1650 /** 1651 * i40e_dbg_netdev_ops_read - read for netdev_ops datum 1652 * @filp: the opened file 1653 * @buffer: where to write the data for the user to read 1654 * @count: the size of the user's buffer 1655 * @ppos: file position offset 1656 **/ 1657 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1658 size_t count, loff_t *ppos) 1659 { 1660 struct i40e_pf *pf = filp->private_data; 1661 int bytes_not_copied; 1662 int buf_size = 256; 1663 char *buf; 1664 int len; 1665 1666 /* don't allow partal reads */ 1667 if (*ppos != 0) 1668 return 0; 1669 if (count < buf_size) 1670 return -ENOSPC; 1671 1672 buf = kzalloc(buf_size, GFP_KERNEL); 1673 if (!buf) 1674 return -ENOSPC; 1675 1676 len = snprintf(buf, buf_size, "%s: %s\n", 1677 pf->vsi[pf->lan_vsi]->netdev->name, 1678 i40e_dbg_netdev_ops_buf); 1679 1680 bytes_not_copied = copy_to_user(buffer, buf, len); 1681 kfree(buf); 1682 1683 if (bytes_not_copied) 1684 return -EFAULT; 1685 1686 *ppos = len; 1687 return len; 1688 } 1689 1690 /** 1691 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1692 * @filp: the opened file 1693 * @buffer: where to find the user's data 1694 * @count: the length of the user's data 1695 * @ppos: file position offset 1696 **/ 1697 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1698 const char __user *buffer, 1699 size_t count, loff_t *ppos) 1700 { 1701 struct i40e_pf *pf = filp->private_data; 1702 int bytes_not_copied; 1703 struct i40e_vsi *vsi; 1704 char *buf_tmp; 1705 int vsi_seid; 1706 int i, cnt; 1707 1708 /* don't allow partial writes */ 1709 if (*ppos != 0) 1710 return 0; 1711 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1712 return -ENOSPC; 1713 1714 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1715 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1716 buffer, count); 1717 if (bytes_not_copied) 1718 return -EFAULT; 1719 i40e_dbg_netdev_ops_buf[count] = '\0'; 1720 1721 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1722 if (buf_tmp) { 1723 *buf_tmp = '\0'; 1724 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1725 } 1726 1727 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1728 int mtu; 1729 1730 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1731 &vsi_seid, &mtu); 1732 if (cnt != 2) { 1733 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1734 goto netdev_ops_write_done; 1735 } 1736 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1737 if (!vsi) { 1738 dev_info(&pf->pdev->dev, 1739 "change_mtu: VSI %d not found\n", vsi_seid); 1740 } else if (!vsi->netdev) { 1741 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1742 vsi_seid); 1743 } else if (rtnl_trylock()) { 1744 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1745 mtu); 1746 rtnl_unlock(); 1747 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1748 } else { 1749 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1750 } 1751 1752 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1753 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1754 if (cnt != 1) { 1755 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1756 goto netdev_ops_write_done; 1757 } 1758 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1759 if (!vsi) { 1760 dev_info(&pf->pdev->dev, 1761 "set_rx_mode: VSI %d not found\n", vsi_seid); 1762 } else if (!vsi->netdev) { 1763 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1764 vsi_seid); 1765 } else if (rtnl_trylock()) { 1766 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1767 rtnl_unlock(); 1768 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1769 } else { 1770 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1771 } 1772 1773 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1774 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1775 if (cnt != 1) { 1776 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1777 goto netdev_ops_write_done; 1778 } 1779 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1780 if (!vsi) { 1781 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1782 vsi_seid); 1783 } else if (!vsi->netdev) { 1784 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1785 vsi_seid); 1786 } else { 1787 for (i = 0; i < vsi->num_q_vectors; i++) 1788 napi_schedule(&vsi->q_vectors[i]->napi); 1789 dev_info(&pf->pdev->dev, "napi called\n"); 1790 } 1791 } else { 1792 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1793 i40e_dbg_netdev_ops_buf); 1794 dev_info(&pf->pdev->dev, "available commands\n"); 1795 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1796 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1797 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1798 } 1799 netdev_ops_write_done: 1800 return count; 1801 } 1802 1803 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1804 .owner = THIS_MODULE, 1805 .open = simple_open, 1806 .read = i40e_dbg_netdev_ops_read, 1807 .write = i40e_dbg_netdev_ops_write, 1808 }; 1809 1810 /** 1811 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1812 * @pf: the PF that is starting up 1813 **/ 1814 void i40e_dbg_pf_init(struct i40e_pf *pf) 1815 { 1816 const char *name = pci_name(pf->pdev); 1817 1818 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1819 1820 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1821 &i40e_dbg_command_fops); 1822 1823 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1824 &i40e_dbg_netdev_ops_fops); 1825 } 1826 1827 /** 1828 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1829 * @pf: the PF that is stopping 1830 **/ 1831 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1832 { 1833 debugfs_remove_recursive(pf->i40e_dbg_pf); 1834 pf->i40e_dbg_pf = NULL; 1835 } 1836 1837 /** 1838 * i40e_dbg_init - start up debugfs for the driver 1839 **/ 1840 void i40e_dbg_init(void) 1841 { 1842 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1843 if (!i40e_dbg_root) 1844 pr_info("init of debugfs failed\n"); 1845 } 1846 1847 /** 1848 * i40e_dbg_exit - clean out the driver's debugfs entries 1849 **/ 1850 void i40e_dbg_exit(void) 1851 { 1852 debugfs_remove_recursive(i40e_dbg_root); 1853 i40e_dbg_root = NULL; 1854 } 1855 1856 #endif /* CONFIG_DEBUG_FS */ 1857