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 = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\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 = %lld, page_reuse_count = %lld\n", 279 i, 280 rx_ring->rx_stats.realloc_count, 281 rx_ring->rx_stats.page_reuse_count); 282 dev_info(&pf->pdev->dev, 283 " rx_rings[%i]: size = %i\n", 284 i, rx_ring->size); 285 dev_info(&pf->pdev->dev, 286 " rx_rings[%i]: itr_setting = %d (%s)\n", 287 i, rx_ring->itr_setting, 288 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed"); 289 } 290 for (i = 0; i < vsi->num_queue_pairs; i++) { 291 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); 292 293 if (!tx_ring) 294 continue; 295 296 dev_info(&pf->pdev->dev, 297 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 298 i, *tx_ring->state, 299 tx_ring->queue_index, 300 tx_ring->reg_idx); 301 dev_info(&pf->pdev->dev, 302 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 303 i, 304 tx_ring->next_to_use, 305 tx_ring->next_to_clean, 306 tx_ring->ring_active); 307 dev_info(&pf->pdev->dev, 308 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 309 i, tx_ring->stats.packets, 310 tx_ring->stats.bytes, 311 tx_ring->tx_stats.restart_queue); 312 dev_info(&pf->pdev->dev, 313 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 314 i, 315 tx_ring->tx_stats.tx_busy, 316 tx_ring->tx_stats.tx_done_old); 317 dev_info(&pf->pdev->dev, 318 " tx_rings[%i]: size = %i\n", 319 i, tx_ring->size); 320 dev_info(&pf->pdev->dev, 321 " tx_rings[%i]: DCB tc = %d\n", 322 i, tx_ring->dcb_tc); 323 dev_info(&pf->pdev->dev, 324 " tx_rings[%i]: itr_setting = %d (%s)\n", 325 i, tx_ring->itr_setting, 326 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed"); 327 } 328 if (i40e_enabled_xdp_vsi(vsi)) { 329 for (i = 0; i < vsi->num_queue_pairs; i++) { 330 struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]); 331 332 if (!xdp_ring) 333 continue; 334 335 dev_info(&pf->pdev->dev, 336 " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 337 i, *xdp_ring->state, 338 xdp_ring->queue_index, 339 xdp_ring->reg_idx); 340 dev_info(&pf->pdev->dev, 341 " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 342 i, 343 xdp_ring->next_to_use, 344 xdp_ring->next_to_clean, 345 xdp_ring->ring_active); 346 dev_info(&pf->pdev->dev, 347 " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 348 i, xdp_ring->stats.packets, 349 xdp_ring->stats.bytes, 350 xdp_ring->tx_stats.restart_queue); 351 dev_info(&pf->pdev->dev, 352 " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 353 i, 354 xdp_ring->tx_stats.tx_busy, 355 xdp_ring->tx_stats.tx_done_old); 356 dev_info(&pf->pdev->dev, 357 " xdp_rings[%i]: size = %i\n", 358 i, xdp_ring->size); 359 dev_info(&pf->pdev->dev, 360 " xdp_rings[%i]: DCB tc = %d\n", 361 i, xdp_ring->dcb_tc); 362 dev_info(&pf->pdev->dev, 363 " xdp_rings[%i]: itr_setting = %d (%s)\n", 364 i, xdp_ring->itr_setting, 365 ITR_IS_DYNAMIC(xdp_ring->itr_setting) ? 366 "dynamic" : "fixed"); 367 } 368 } 369 rcu_read_unlock(); 370 dev_info(&pf->pdev->dev, 371 " work_limit = %d\n", 372 vsi->work_limit); 373 dev_info(&pf->pdev->dev, 374 " max_frame = %d, rx_buf_len = %d dtype = %d\n", 375 vsi->max_frame, vsi->rx_buf_len, 0); 376 dev_info(&pf->pdev->dev, 377 " num_q_vectors = %i, base_vector = %i\n", 378 vsi->num_q_vectors, vsi->base_vector); 379 dev_info(&pf->pdev->dev, 380 " seid = %d, id = %d, uplink_seid = %d\n", 381 vsi->seid, vsi->id, vsi->uplink_seid); 382 dev_info(&pf->pdev->dev, 383 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n", 384 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc, 385 vsi->num_rx_desc); 386 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 387 if (vsi->type == I40E_VSI_SRIOV) 388 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id); 389 dev_info(&pf->pdev->dev, 390 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 391 vsi->info.valid_sections, vsi->info.switch_id); 392 dev_info(&pf->pdev->dev, 393 " info: sw_reserved[] = 0x%02x 0x%02x\n", 394 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 395 dev_info(&pf->pdev->dev, 396 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 397 vsi->info.sec_flags, vsi->info.sec_reserved); 398 dev_info(&pf->pdev->dev, 399 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 400 vsi->info.pvid, vsi->info.fcoe_pvid, 401 vsi->info.port_vlan_flags); 402 dev_info(&pf->pdev->dev, 403 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 404 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 405 vsi->info.pvlan_reserved[2]); 406 dev_info(&pf->pdev->dev, 407 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 408 vsi->info.ingress_table, vsi->info.egress_table); 409 dev_info(&pf->pdev->dev, 410 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 411 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 412 vsi->info.cas_pv_reserved); 413 dev_info(&pf->pdev->dev, 414 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 415 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 416 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 417 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 418 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 419 dev_info(&pf->pdev->dev, 420 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 421 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 422 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 423 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 424 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 425 dev_info(&pf->pdev->dev, 426 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 427 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 428 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 429 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 430 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 431 dev_info(&pf->pdev->dev, 432 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 433 vsi->info.queueing_opt_flags, 434 vsi->info.queueing_opt_reserved[0], 435 vsi->info.queueing_opt_reserved[1], 436 vsi->info.queueing_opt_reserved[2]); 437 dev_info(&pf->pdev->dev, 438 " info: up_enable_bits = 0x%02x\n", 439 vsi->info.up_enable_bits); 440 dev_info(&pf->pdev->dev, 441 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 442 vsi->info.sched_reserved, vsi->info.outer_up_table); 443 dev_info(&pf->pdev->dev, 444 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 445 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 446 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 447 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 448 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 449 dev_info(&pf->pdev->dev, 450 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 451 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 452 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 453 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 454 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 455 dev_info(&pf->pdev->dev, 456 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 457 vsi->info.stat_counter_idx, vsi->info.sched_id); 458 dev_info(&pf->pdev->dev, 459 " 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", 460 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 461 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 462 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 463 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 464 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 465 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 466 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 467 dev_info(&pf->pdev->dev, 468 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 469 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 470 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 471 dev_info(&pf->pdev->dev, 472 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 473 i, vsi->tc_config.tc_info[i].qoffset, 474 vsi->tc_config.tc_info[i].qcount, 475 vsi->tc_config.tc_info[i].netdev_tc); 476 } 477 dev_info(&pf->pdev->dev, 478 " bw: bw_limit = %d, bw_max_quanta = %d\n", 479 vsi->bw_limit, vsi->bw_max_quanta); 480 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 481 dev_info(&pf->pdev->dev, 482 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 483 i, vsi->bw_ets_share_credits[i], 484 vsi->bw_ets_limit_credits[i], 485 vsi->bw_ets_max_quanta[i]); 486 } 487 } 488 489 /** 490 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 491 * @pf: the i40e_pf created in command write 492 **/ 493 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 494 { 495 struct i40e_adminq_ring *ring; 496 struct i40e_hw *hw = &pf->hw; 497 char hdr[32]; 498 int i; 499 500 snprintf(hdr, sizeof(hdr), "%s %s: ", 501 dev_driver_string(&pf->pdev->dev), 502 dev_name(&pf->pdev->dev)); 503 504 /* first the send (command) ring, then the receive (event) ring */ 505 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 506 ring = &(hw->aq.asq); 507 for (i = 0; i < ring->count; i++) { 508 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 509 510 dev_info(&pf->pdev->dev, 511 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 512 i, d->flags, d->opcode, d->datalen, d->retval, 513 d->cookie_high, d->cookie_low); 514 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 515 16, 1, d->params.raw, 16, 0); 516 } 517 518 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 519 ring = &(hw->aq.arq); 520 for (i = 0; i < ring->count; i++) { 521 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 522 523 dev_info(&pf->pdev->dev, 524 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 525 i, d->flags, d->opcode, d->datalen, d->retval, 526 d->cookie_high, d->cookie_low); 527 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 528 16, 1, d->params.raw, 16, 0); 529 } 530 } 531 532 /** 533 * i40e_dbg_dump_desc - handles dump desc write into command datum 534 * @cnt: number of arguments that the user supplied 535 * @vsi_seid: vsi id entered by user 536 * @ring_id: ring id entered by user 537 * @desc_n: descriptor number entered by user 538 * @pf: the i40e_pf created in command write 539 * @type: enum describing whether ring is RX, TX or XDP 540 **/ 541 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 542 struct i40e_pf *pf, enum ring_type type) 543 { 544 bool is_rx_ring = type == RING_TYPE_RX; 545 struct i40e_tx_desc *txd; 546 union i40e_rx_desc *rxd; 547 struct i40e_ring *ring; 548 struct i40e_vsi *vsi; 549 int i; 550 551 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 552 if (!vsi) { 553 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 554 return; 555 } 556 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { 557 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid); 558 return; 559 } 560 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 561 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 562 return; 563 } 564 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 565 dev_info(&pf->pdev->dev, 566 "descriptor rings have not been allocated for vsi %d\n", 567 vsi_seid); 568 return; 569 } 570 571 switch (type) { 572 case RING_TYPE_RX: 573 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 574 break; 575 case RING_TYPE_TX: 576 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 577 break; 578 case RING_TYPE_XDP: 579 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); 580 break; 581 } 582 if (!ring) 583 return; 584 585 if (cnt == 2) { 586 switch (type) { 587 case RING_TYPE_RX: 588 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id); 589 break; 590 case RING_TYPE_TX: 591 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id); 592 break; 593 case RING_TYPE_XDP: 594 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id); 595 break; 596 } 597 for (i = 0; i < ring->count; i++) { 598 if (!is_rx_ring) { 599 txd = I40E_TX_DESC(ring, i); 600 dev_info(&pf->pdev->dev, 601 " d[%03x] = 0x%016llx 0x%016llx\n", 602 i, txd->buffer_addr, 603 txd->cmd_type_offset_bsz); 604 } else { 605 rxd = I40E_RX_DESC(ring, i); 606 dev_info(&pf->pdev->dev, 607 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 608 i, rxd->read.pkt_addr, 609 rxd->read.hdr_addr, 610 rxd->read.rsvd1, rxd->read.rsvd2); 611 } 612 } 613 } else if (cnt == 3) { 614 if (desc_n >= ring->count || desc_n < 0) { 615 dev_info(&pf->pdev->dev, 616 "descriptor %d not found\n", desc_n); 617 goto out; 618 } 619 if (!is_rx_ring) { 620 txd = I40E_TX_DESC(ring, desc_n); 621 dev_info(&pf->pdev->dev, 622 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 623 vsi_seid, ring_id, desc_n, 624 txd->buffer_addr, txd->cmd_type_offset_bsz); 625 } else { 626 rxd = I40E_RX_DESC(ring, desc_n); 627 dev_info(&pf->pdev->dev, 628 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 629 vsi_seid, ring_id, desc_n, 630 rxd->read.pkt_addr, rxd->read.hdr_addr, 631 rxd->read.rsvd1, rxd->read.rsvd2); 632 } 633 } else { 634 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 635 } 636 637 out: 638 kfree(ring); 639 } 640 641 /** 642 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 643 * @pf: the i40e_pf created in command write 644 **/ 645 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 646 { 647 int i; 648 649 for (i = 0; i < pf->num_alloc_vsi; i++) 650 if (pf->vsi[i]) 651 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 652 i, pf->vsi[i]->seid); 653 } 654 655 /** 656 * i40e_dbg_dump_stats - handles dump stats write into command datum 657 * @pf: the i40e_pf created in command write 658 * @estats: the eth stats structure to be dumped 659 **/ 660 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 661 struct i40e_eth_stats *estats) 662 { 663 dev_info(&pf->pdev->dev, " ethstats:\n"); 664 dev_info(&pf->pdev->dev, 665 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 666 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 667 dev_info(&pf->pdev->dev, 668 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 669 estats->rx_broadcast, estats->rx_discards); 670 dev_info(&pf->pdev->dev, 671 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 672 estats->rx_unknown_protocol, estats->tx_bytes); 673 dev_info(&pf->pdev->dev, 674 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 675 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 676 dev_info(&pf->pdev->dev, 677 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 678 estats->tx_discards, estats->tx_errors); 679 } 680 681 /** 682 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 683 * @pf: the i40e_pf created in command write 684 * @seid: the seid the user put in 685 **/ 686 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 687 { 688 struct i40e_veb *veb; 689 690 veb = i40e_dbg_find_veb(pf, seid); 691 if (!veb) { 692 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 693 return; 694 } 695 dev_info(&pf->pdev->dev, 696 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 697 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 698 veb->uplink_seid, 699 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 700 i40e_dbg_dump_eth_stats(pf, &veb->stats); 701 } 702 703 /** 704 * i40e_dbg_dump_veb_all - dumps all known veb's stats 705 * @pf: the i40e_pf created in command write 706 **/ 707 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 708 { 709 struct i40e_veb *veb; 710 int i; 711 712 for (i = 0; i < I40E_MAX_VEB; i++) { 713 veb = pf->veb[i]; 714 if (veb) 715 i40e_dbg_dump_veb_seid(pf, veb->seid); 716 } 717 } 718 719 /** 720 * i40e_dbg_dump_vf - dump VF info 721 * @pf: the i40e_pf created in command write 722 * @vf_id: the vf_id from the user 723 **/ 724 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 725 { 726 struct i40e_vf *vf; 727 struct i40e_vsi *vsi; 728 729 if (!pf->num_alloc_vfs) { 730 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 731 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 732 vf = &pf->vf[vf_id]; 733 vsi = pf->vsi[vf->lan_vsi_idx]; 734 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 735 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 736 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n", 737 vf->num_mdd_events, 738 vf->num_invalid_msgs, 739 vf->num_valid_msgs); 740 } else { 741 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 742 } 743 } 744 745 /** 746 * i40e_dbg_dump_vf_all - dump VF info for all VFs 747 * @pf: the i40e_pf created in command write 748 **/ 749 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 750 { 751 int i; 752 753 if (!pf->num_alloc_vfs) 754 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 755 else 756 for (i = 0; i < pf->num_alloc_vfs; i++) 757 i40e_dbg_dump_vf(pf, i); 758 } 759 760 /** 761 * i40e_dbg_command_write - write into command datum 762 * @filp: the opened file 763 * @buffer: where to find the user's data 764 * @count: the length of the user's data 765 * @ppos: file position offset 766 **/ 767 static ssize_t i40e_dbg_command_write(struct file *filp, 768 const char __user *buffer, 769 size_t count, loff_t *ppos) 770 { 771 struct i40e_pf *pf = filp->private_data; 772 char *cmd_buf, *cmd_buf_tmp; 773 int bytes_not_copied; 774 struct i40e_vsi *vsi; 775 int vsi_seid; 776 int veb_seid; 777 int vf_id; 778 int cnt; 779 780 /* don't allow partial writes */ 781 if (*ppos != 0) 782 return 0; 783 784 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 785 if (!cmd_buf) 786 return count; 787 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 788 if (bytes_not_copied) { 789 kfree(cmd_buf); 790 return -EFAULT; 791 } 792 cmd_buf[count] = '\0'; 793 794 cmd_buf_tmp = strchr(cmd_buf, '\n'); 795 if (cmd_buf_tmp) { 796 *cmd_buf_tmp = '\0'; 797 count = cmd_buf_tmp - cmd_buf + 1; 798 } 799 800 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 801 vsi_seid = -1; 802 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 803 if (cnt == 0) { 804 /* default to PF VSI */ 805 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 806 } else if (vsi_seid < 0) { 807 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 808 vsi_seid); 809 goto command_write_done; 810 } 811 812 /* By default we are in VEPA mode, if this is the first VF/VMDq 813 * VSI to be added switch to VEB mode. 814 */ 815 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 816 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 817 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 818 } 819 820 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 821 if (vsi) 822 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 823 vsi->seid, vsi->uplink_seid); 824 else 825 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 826 827 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 828 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 829 if (cnt != 1) { 830 dev_info(&pf->pdev->dev, 831 "del vsi: bad command string, cnt=%d\n", 832 cnt); 833 goto command_write_done; 834 } 835 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 836 if (!vsi) { 837 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 838 vsi_seid); 839 goto command_write_done; 840 } 841 842 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 843 i40e_vsi_release(vsi); 844 845 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 846 struct i40e_veb *veb; 847 int uplink_seid, i; 848 849 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 850 if (cnt != 2) { 851 dev_info(&pf->pdev->dev, 852 "add relay: bad command string, cnt=%d\n", 853 cnt); 854 goto command_write_done; 855 } else if (uplink_seid < 0) { 856 dev_info(&pf->pdev->dev, 857 "add relay %d: bad uplink seid\n", 858 uplink_seid); 859 goto command_write_done; 860 } 861 862 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 863 if (!vsi) { 864 dev_info(&pf->pdev->dev, 865 "add relay: VSI %d not found\n", vsi_seid); 866 goto command_write_done; 867 } 868 869 for (i = 0; i < I40E_MAX_VEB; i++) 870 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 871 break; 872 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 873 uplink_seid != pf->mac_seid) { 874 dev_info(&pf->pdev->dev, 875 "add relay: relay uplink %d not found\n", 876 uplink_seid); 877 goto command_write_done; 878 } 879 880 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 881 vsi->tc_config.enabled_tc); 882 if (veb) 883 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 884 else 885 dev_info(&pf->pdev->dev, "add relay failed\n"); 886 887 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 888 int i; 889 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 890 if (cnt != 1) { 891 dev_info(&pf->pdev->dev, 892 "del relay: bad command string, cnt=%d\n", 893 cnt); 894 goto command_write_done; 895 } else if (veb_seid < 0) { 896 dev_info(&pf->pdev->dev, 897 "del relay %d: bad relay seid\n", veb_seid); 898 goto command_write_done; 899 } 900 901 /* find the veb */ 902 for (i = 0; i < I40E_MAX_VEB; i++) 903 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 904 break; 905 if (i >= I40E_MAX_VEB) { 906 dev_info(&pf->pdev->dev, 907 "del relay: relay %d not found\n", veb_seid); 908 goto command_write_done; 909 } 910 911 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 912 i40e_veb_release(pf->veb[i]); 913 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 914 i40e_status ret; 915 u16 vid; 916 unsigned int v; 917 918 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 919 if (cnt != 2) { 920 dev_info(&pf->pdev->dev, 921 "add pvid: bad command string, cnt=%d\n", cnt); 922 goto command_write_done; 923 } 924 925 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 926 if (!vsi) { 927 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 928 vsi_seid); 929 goto command_write_done; 930 } 931 932 vid = v; 933 ret = i40e_vsi_add_pvid(vsi, vid); 934 if (!ret) 935 dev_info(&pf->pdev->dev, 936 "add pvid: %d added to VSI %d\n", 937 vid, vsi_seid); 938 else 939 dev_info(&pf->pdev->dev, 940 "add pvid: %d to VSI %d failed, ret=%d\n", 941 vid, vsi_seid, ret); 942 943 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 944 945 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 946 if (cnt != 1) { 947 dev_info(&pf->pdev->dev, 948 "del pvid: bad command string, cnt=%d\n", 949 cnt); 950 goto command_write_done; 951 } 952 953 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 954 if (!vsi) { 955 dev_info(&pf->pdev->dev, 956 "del pvid: VSI %d not found\n", vsi_seid); 957 goto command_write_done; 958 } 959 960 i40e_vsi_remove_pvid(vsi); 961 dev_info(&pf->pdev->dev, 962 "del pvid: removed from VSI %d\n", vsi_seid); 963 964 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 965 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 966 i40e_fetch_switch_configuration(pf, true); 967 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 968 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 969 if (cnt > 0) 970 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 971 else 972 i40e_dbg_dump_vsi_no_seid(pf); 973 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 974 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 975 if (cnt > 0) 976 i40e_dbg_dump_veb_seid(pf, vsi_seid); 977 else 978 i40e_dbg_dump_veb_all(pf); 979 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 980 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 981 if (cnt > 0) 982 i40e_dbg_dump_vf(pf, vf_id); 983 else 984 i40e_dbg_dump_vf_all(pf); 985 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 986 int ring_id, desc_n; 987 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 988 cnt = sscanf(&cmd_buf[12], "%i %i %i", 989 &vsi_seid, &ring_id, &desc_n); 990 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 991 desc_n, pf, RING_TYPE_RX); 992 } else if (strncmp(&cmd_buf[10], "tx", 2) 993 == 0) { 994 cnt = sscanf(&cmd_buf[12], "%i %i %i", 995 &vsi_seid, &ring_id, &desc_n); 996 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 997 desc_n, pf, RING_TYPE_TX); 998 } else if (strncmp(&cmd_buf[10], "xdp", 3) 999 == 0) { 1000 cnt = sscanf(&cmd_buf[13], "%i %i %i", 1001 &vsi_seid, &ring_id, &desc_n); 1002 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1003 desc_n, pf, RING_TYPE_XDP); 1004 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1005 i40e_dbg_dump_aq_desc(pf); 1006 } else { 1007 dev_info(&pf->pdev->dev, 1008 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1009 dev_info(&pf->pdev->dev, 1010 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1011 dev_info(&pf->pdev->dev, 1012 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1013 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1014 } 1015 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1016 dev_info(&pf->pdev->dev, 1017 "core reset count: %d\n", pf->corer_count); 1018 dev_info(&pf->pdev->dev, 1019 "global reset count: %d\n", pf->globr_count); 1020 dev_info(&pf->pdev->dev, 1021 "emp reset count: %d\n", pf->empr_count); 1022 dev_info(&pf->pdev->dev, 1023 "pf reset count: %d\n", pf->pfr_count); 1024 dev_info(&pf->pdev->dev, 1025 "pf tx sluggish count: %d\n", 1026 pf->tx_sluggish_count); 1027 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1028 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1029 struct i40e_dcbx_config *cfg = 1030 &pf->hw.local_dcbx_config; 1031 struct i40e_dcbx_config *r_cfg = 1032 &pf->hw.remote_dcbx_config; 1033 int i, ret; 1034 u16 switch_id; 1035 1036 bw_data = kzalloc(sizeof( 1037 struct i40e_aqc_query_port_ets_config_resp), 1038 GFP_KERNEL); 1039 if (!bw_data) { 1040 ret = -ENOMEM; 1041 goto command_write_done; 1042 } 1043 1044 vsi = pf->vsi[pf->lan_vsi]; 1045 switch_id = 1046 le16_to_cpu(vsi->info.switch_id) & 1047 I40E_AQ_VSI_SW_ID_MASK; 1048 1049 ret = i40e_aq_query_port_ets_config(&pf->hw, 1050 switch_id, 1051 bw_data, NULL); 1052 if (ret) { 1053 dev_info(&pf->pdev->dev, 1054 "Query Port ETS Config AQ command failed =0x%x\n", 1055 pf->hw.aq.asq_last_status); 1056 kfree(bw_data); 1057 bw_data = NULL; 1058 goto command_write_done; 1059 } 1060 dev_info(&pf->pdev->dev, 1061 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1062 bw_data->tc_valid_bits, 1063 bw_data->tc_strict_priority_bits, 1064 le16_to_cpu(bw_data->tc_bw_max[0]), 1065 le16_to_cpu(bw_data->tc_bw_max[1])); 1066 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1067 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1068 bw_data->tc_bw_share_credits[i], 1069 le16_to_cpu(bw_data->tc_bw_limits[i])); 1070 } 1071 1072 kfree(bw_data); 1073 bw_data = NULL; 1074 1075 dev_info(&pf->pdev->dev, 1076 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1077 dev_info(&pf->pdev->dev, 1078 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1079 cfg->etscfg.willing, cfg->etscfg.cbs, 1080 cfg->etscfg.maxtcs); 1081 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1082 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1083 i, cfg->etscfg.prioritytable[i], 1084 cfg->etscfg.tcbwtable[i], 1085 cfg->etscfg.tsatable[i]); 1086 } 1087 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1088 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1089 i, cfg->etsrec.prioritytable[i], 1090 cfg->etsrec.tcbwtable[i], 1091 cfg->etsrec.tsatable[i]); 1092 } 1093 dev_info(&pf->pdev->dev, 1094 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1095 cfg->pfc.willing, cfg->pfc.mbc, 1096 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1097 dev_info(&pf->pdev->dev, 1098 "port app_table: num_apps=%d\n", cfg->numapps); 1099 for (i = 0; i < cfg->numapps; i++) { 1100 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1101 i, cfg->app[i].priority, 1102 cfg->app[i].selector, 1103 cfg->app[i].protocolid); 1104 } 1105 /* Peer TLV DCBX data */ 1106 dev_info(&pf->pdev->dev, 1107 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1108 r_cfg->etscfg.willing, 1109 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1110 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1111 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1112 i, r_cfg->etscfg.prioritytable[i], 1113 r_cfg->etscfg.tcbwtable[i], 1114 r_cfg->etscfg.tsatable[i]); 1115 } 1116 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1117 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1118 i, r_cfg->etsrec.prioritytable[i], 1119 r_cfg->etsrec.tcbwtable[i], 1120 r_cfg->etsrec.tsatable[i]); 1121 } 1122 dev_info(&pf->pdev->dev, 1123 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1124 r_cfg->pfc.willing, 1125 r_cfg->pfc.mbc, 1126 r_cfg->pfc.pfccap, 1127 r_cfg->pfc.pfcenable); 1128 dev_info(&pf->pdev->dev, 1129 "remote port app_table: num_apps=%d\n", 1130 r_cfg->numapps); 1131 for (i = 0; i < r_cfg->numapps; i++) { 1132 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1133 i, r_cfg->app[i].priority, 1134 r_cfg->app[i].selector, 1135 r_cfg->app[i].protocolid); 1136 } 1137 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1138 int cluster_id, table_id; 1139 int index, ret; 1140 u16 buff_len = 4096; 1141 u32 next_index; 1142 u8 next_table; 1143 u8 *buff; 1144 u16 rlen; 1145 1146 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1147 &cluster_id, &table_id, &index); 1148 if (cnt != 3) { 1149 dev_info(&pf->pdev->dev, 1150 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1151 goto command_write_done; 1152 } 1153 1154 dev_info(&pf->pdev->dev, 1155 "AQ debug dump fwdata params %x %x %x %x\n", 1156 cluster_id, table_id, index, buff_len); 1157 buff = kzalloc(buff_len, GFP_KERNEL); 1158 if (!buff) 1159 goto command_write_done; 1160 1161 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1162 index, buff_len, buff, &rlen, 1163 &next_table, &next_index, 1164 NULL); 1165 if (ret) { 1166 dev_info(&pf->pdev->dev, 1167 "debug dump fwdata AQ Failed %d 0x%x\n", 1168 ret, pf->hw.aq.asq_last_status); 1169 kfree(buff); 1170 buff = NULL; 1171 goto command_write_done; 1172 } 1173 dev_info(&pf->pdev->dev, 1174 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1175 rlen, next_table, next_index); 1176 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1177 DUMP_PREFIX_OFFSET, 16, 1, 1178 buff, rlen, true); 1179 kfree(buff); 1180 buff = NULL; 1181 } else { 1182 dev_info(&pf->pdev->dev, 1183 "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"); 1184 dev_info(&pf->pdev->dev, "dump switch\n"); 1185 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1186 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1187 dev_info(&pf->pdev->dev, "dump port\n"); 1188 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1189 dev_info(&pf->pdev->dev, 1190 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1191 } 1192 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1193 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1194 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1195 1196 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1197 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1198 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1199 1200 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1201 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1202 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1203 1204 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1205 u32 address; 1206 u32 value; 1207 1208 cnt = sscanf(&cmd_buf[4], "%i", &address); 1209 if (cnt != 1) { 1210 dev_info(&pf->pdev->dev, "read <reg>\n"); 1211 goto command_write_done; 1212 } 1213 1214 /* check the range on address */ 1215 if (address > (pf->ioremap_len - sizeof(u32))) { 1216 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1217 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1218 goto command_write_done; 1219 } 1220 1221 value = rd32(&pf->hw, address); 1222 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1223 address, value); 1224 1225 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1226 u32 address, value; 1227 1228 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1229 if (cnt != 2) { 1230 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1231 goto command_write_done; 1232 } 1233 1234 /* check the range on address */ 1235 if (address > (pf->ioremap_len - sizeof(u32))) { 1236 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1237 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1238 goto command_write_done; 1239 } 1240 wr32(&pf->hw, address, value); 1241 value = rd32(&pf->hw, address); 1242 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1243 address, value); 1244 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1245 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1246 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1247 if (cnt == 0) { 1248 int i; 1249 1250 for (i = 0; i < pf->num_alloc_vsi; i++) 1251 i40e_vsi_reset_stats(pf->vsi[i]); 1252 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1253 } else if (cnt == 1) { 1254 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1255 if (!vsi) { 1256 dev_info(&pf->pdev->dev, 1257 "clear_stats vsi: bad vsi %d\n", 1258 vsi_seid); 1259 goto command_write_done; 1260 } 1261 i40e_vsi_reset_stats(vsi); 1262 dev_info(&pf->pdev->dev, 1263 "vsi clear stats called for vsi %d\n", 1264 vsi_seid); 1265 } else { 1266 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1267 } 1268 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1269 if (pf->hw.partition_id == 1) { 1270 i40e_pf_reset_stats(pf); 1271 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1272 } else { 1273 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1274 } 1275 } else { 1276 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1277 } 1278 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1279 struct i40e_aq_desc *desc; 1280 i40e_status ret; 1281 1282 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1283 if (!desc) 1284 goto command_write_done; 1285 cnt = sscanf(&cmd_buf[11], 1286 "%hi %hi %hi %hi %i %i %i %i %i %i", 1287 &desc->flags, 1288 &desc->opcode, &desc->datalen, &desc->retval, 1289 &desc->cookie_high, &desc->cookie_low, 1290 &desc->params.internal.param0, 1291 &desc->params.internal.param1, 1292 &desc->params.internal.param2, 1293 &desc->params.internal.param3); 1294 if (cnt != 10) { 1295 dev_info(&pf->pdev->dev, 1296 "send aq_cmd: bad command string, cnt=%d\n", 1297 cnt); 1298 kfree(desc); 1299 desc = NULL; 1300 goto command_write_done; 1301 } 1302 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1303 if (!ret) { 1304 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1305 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1306 dev_info(&pf->pdev->dev, 1307 "AQ command send failed Opcode %x AQ Error: %d\n", 1308 desc->opcode, pf->hw.aq.asq_last_status); 1309 } else { 1310 dev_info(&pf->pdev->dev, 1311 "AQ command send failed Opcode %x Status: %d\n", 1312 desc->opcode, ret); 1313 } 1314 dev_info(&pf->pdev->dev, 1315 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1316 desc->flags, desc->opcode, desc->datalen, desc->retval, 1317 desc->cookie_high, desc->cookie_low, 1318 desc->params.internal.param0, 1319 desc->params.internal.param1, 1320 desc->params.internal.param2, 1321 desc->params.internal.param3); 1322 kfree(desc); 1323 desc = NULL; 1324 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1325 struct i40e_aq_desc *desc; 1326 i40e_status ret; 1327 u16 buffer_len; 1328 u8 *buff; 1329 1330 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1331 if (!desc) 1332 goto command_write_done; 1333 cnt = sscanf(&cmd_buf[20], 1334 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1335 &desc->flags, 1336 &desc->opcode, &desc->datalen, &desc->retval, 1337 &desc->cookie_high, &desc->cookie_low, 1338 &desc->params.internal.param0, 1339 &desc->params.internal.param1, 1340 &desc->params.internal.param2, 1341 &desc->params.internal.param3, 1342 &buffer_len); 1343 if (cnt != 11) { 1344 dev_info(&pf->pdev->dev, 1345 "send indirect aq_cmd: bad command string, cnt=%d\n", 1346 cnt); 1347 kfree(desc); 1348 desc = NULL; 1349 goto command_write_done; 1350 } 1351 /* Just stub a buffer big enough in case user messed up */ 1352 if (buffer_len == 0) 1353 buffer_len = 1280; 1354 1355 buff = kzalloc(buffer_len, GFP_KERNEL); 1356 if (!buff) { 1357 kfree(desc); 1358 desc = NULL; 1359 goto command_write_done; 1360 } 1361 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1362 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1363 buffer_len, NULL); 1364 if (!ret) { 1365 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1366 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1367 dev_info(&pf->pdev->dev, 1368 "AQ command send failed Opcode %x AQ Error: %d\n", 1369 desc->opcode, pf->hw.aq.asq_last_status); 1370 } else { 1371 dev_info(&pf->pdev->dev, 1372 "AQ command send failed Opcode %x Status: %d\n", 1373 desc->opcode, ret); 1374 } 1375 dev_info(&pf->pdev->dev, 1376 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1377 desc->flags, desc->opcode, desc->datalen, desc->retval, 1378 desc->cookie_high, desc->cookie_low, 1379 desc->params.internal.param0, 1380 desc->params.internal.param1, 1381 desc->params.internal.param2, 1382 desc->params.internal.param3); 1383 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1384 DUMP_PREFIX_OFFSET, 16, 1, 1385 buff, buffer_len, true); 1386 kfree(buff); 1387 buff = NULL; 1388 kfree(desc); 1389 desc = NULL; 1390 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1391 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1392 i40e_get_current_fd_count(pf)); 1393 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1394 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1395 int ret; 1396 1397 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL); 1398 if (ret) { 1399 dev_info(&pf->pdev->dev, 1400 "Stop LLDP AQ command failed =0x%x\n", 1401 pf->hw.aq.asq_last_status); 1402 goto command_write_done; 1403 } 1404 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1405 pf->hw.mac.addr, 1406 ETH_P_LLDP, 0, 1407 pf->vsi[pf->lan_vsi]->seid, 1408 0, true, NULL, NULL); 1409 if (ret) { 1410 dev_info(&pf->pdev->dev, 1411 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1412 __func__, pf->hw.aq.asq_last_status); 1413 goto command_write_done; 1414 } 1415 #ifdef CONFIG_I40E_DCB 1416 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1417 DCB_CAP_DCBX_VER_IEEE; 1418 #endif /* CONFIG_I40E_DCB */ 1419 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1420 int ret; 1421 1422 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1423 pf->hw.mac.addr, 1424 ETH_P_LLDP, 0, 1425 pf->vsi[pf->lan_vsi]->seid, 1426 0, false, NULL, NULL); 1427 if (ret) { 1428 dev_info(&pf->pdev->dev, 1429 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1430 __func__, pf->hw.aq.asq_last_status); 1431 /* Continue and start FW LLDP anyways */ 1432 } 1433 1434 ret = i40e_aq_start_lldp(&pf->hw, false, NULL); 1435 if (ret) { 1436 dev_info(&pf->pdev->dev, 1437 "Start LLDP AQ command failed =0x%x\n", 1438 pf->hw.aq.asq_last_status); 1439 goto command_write_done; 1440 } 1441 #ifdef CONFIG_I40E_DCB 1442 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1443 DCB_CAP_DCBX_VER_IEEE; 1444 #endif /* CONFIG_I40E_DCB */ 1445 } else if (strncmp(&cmd_buf[5], 1446 "get local", 9) == 0) { 1447 u16 llen, rlen; 1448 int ret; 1449 u8 *buff; 1450 1451 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1452 if (!buff) 1453 goto command_write_done; 1454 1455 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1456 I40E_AQ_LLDP_MIB_LOCAL, 1457 buff, I40E_LLDPDU_SIZE, 1458 &llen, &rlen, NULL); 1459 if (ret) { 1460 dev_info(&pf->pdev->dev, 1461 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1462 pf->hw.aq.asq_last_status); 1463 kfree(buff); 1464 buff = NULL; 1465 goto command_write_done; 1466 } 1467 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1468 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1469 DUMP_PREFIX_OFFSET, 16, 1, 1470 buff, I40E_LLDPDU_SIZE, true); 1471 kfree(buff); 1472 buff = NULL; 1473 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1474 u16 llen, rlen; 1475 int ret; 1476 u8 *buff; 1477 1478 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1479 if (!buff) 1480 goto command_write_done; 1481 1482 ret = i40e_aq_get_lldp_mib(&pf->hw, 1483 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1484 I40E_AQ_LLDP_MIB_REMOTE, 1485 buff, I40E_LLDPDU_SIZE, 1486 &llen, &rlen, NULL); 1487 if (ret) { 1488 dev_info(&pf->pdev->dev, 1489 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1490 pf->hw.aq.asq_last_status); 1491 kfree(buff); 1492 buff = NULL; 1493 goto command_write_done; 1494 } 1495 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1496 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1497 DUMP_PREFIX_OFFSET, 16, 1, 1498 buff, I40E_LLDPDU_SIZE, true); 1499 kfree(buff); 1500 buff = NULL; 1501 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1502 int ret; 1503 1504 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1505 true, NULL); 1506 if (ret) { 1507 dev_info(&pf->pdev->dev, 1508 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1509 pf->hw.aq.asq_last_status); 1510 goto command_write_done; 1511 } 1512 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1513 int ret; 1514 1515 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1516 false, NULL); 1517 if (ret) { 1518 dev_info(&pf->pdev->dev, 1519 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1520 pf->hw.aq.asq_last_status); 1521 goto command_write_done; 1522 } 1523 } 1524 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1525 u16 buffer_len, bytes; 1526 u16 module; 1527 u32 offset; 1528 u16 *buff; 1529 int ret; 1530 1531 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1532 &module, &offset, &buffer_len); 1533 if (cnt == 0) { 1534 module = 0; 1535 offset = 0; 1536 buffer_len = 0; 1537 } else if (cnt == 1) { 1538 offset = 0; 1539 buffer_len = 0; 1540 } else if (cnt == 2) { 1541 buffer_len = 0; 1542 } else if (cnt > 3) { 1543 dev_info(&pf->pdev->dev, 1544 "nvm read: bad command string, cnt=%d\n", cnt); 1545 goto command_write_done; 1546 } 1547 1548 /* set the max length */ 1549 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1550 1551 bytes = 2 * buffer_len; 1552 1553 /* read at least 1k bytes, no more than 4kB */ 1554 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1555 buff = kzalloc(bytes, GFP_KERNEL); 1556 if (!buff) 1557 goto command_write_done; 1558 1559 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1560 if (ret) { 1561 dev_info(&pf->pdev->dev, 1562 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1563 ret, pf->hw.aq.asq_last_status); 1564 kfree(buff); 1565 goto command_write_done; 1566 } 1567 1568 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1569 bytes, (u8 *)buff, true, NULL); 1570 i40e_release_nvm(&pf->hw); 1571 if (ret) { 1572 dev_info(&pf->pdev->dev, 1573 "Read NVM AQ failed err=%d status=0x%x\n", 1574 ret, pf->hw.aq.asq_last_status); 1575 } else { 1576 dev_info(&pf->pdev->dev, 1577 "Read NVM module=0x%x offset=0x%x words=%d\n", 1578 module, offset, buffer_len); 1579 if (bytes) 1580 print_hex_dump(KERN_INFO, "NVM Dump: ", 1581 DUMP_PREFIX_OFFSET, 16, 2, 1582 buff, bytes, true); 1583 } 1584 kfree(buff); 1585 buff = NULL; 1586 } else { 1587 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1588 dev_info(&pf->pdev->dev, "available commands\n"); 1589 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1590 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1591 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1592 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1593 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1594 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1595 dev_info(&pf->pdev->dev, " dump switch\n"); 1596 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1597 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1598 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1599 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1600 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1601 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1602 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1603 dev_info(&pf->pdev->dev, " read <reg>\n"); 1604 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1605 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1606 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1607 dev_info(&pf->pdev->dev, " pfr\n"); 1608 dev_info(&pf->pdev->dev, " corer\n"); 1609 dev_info(&pf->pdev->dev, " globr\n"); 1610 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1611 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1612 dev_info(&pf->pdev->dev, " fd current cnt"); 1613 dev_info(&pf->pdev->dev, " lldp start\n"); 1614 dev_info(&pf->pdev->dev, " lldp stop\n"); 1615 dev_info(&pf->pdev->dev, " lldp get local\n"); 1616 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1617 dev_info(&pf->pdev->dev, " lldp event on\n"); 1618 dev_info(&pf->pdev->dev, " lldp event off\n"); 1619 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1620 } 1621 1622 command_write_done: 1623 kfree(cmd_buf); 1624 cmd_buf = NULL; 1625 return count; 1626 } 1627 1628 static const struct file_operations i40e_dbg_command_fops = { 1629 .owner = THIS_MODULE, 1630 .open = simple_open, 1631 .read = i40e_dbg_command_read, 1632 .write = i40e_dbg_command_write, 1633 }; 1634 1635 /************************************************************** 1636 * netdev_ops 1637 * The netdev_ops entry in debugfs is for giving the driver commands 1638 * to be executed from the netdev operations. 1639 **************************************************************/ 1640 static char i40e_dbg_netdev_ops_buf[256] = ""; 1641 1642 /** 1643 * i40e_dbg_netdev_ops - read for netdev_ops datum 1644 * @filp: the opened file 1645 * @buffer: where to write the data for the user to read 1646 * @count: the size of the user's buffer 1647 * @ppos: file position offset 1648 **/ 1649 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1650 size_t count, loff_t *ppos) 1651 { 1652 struct i40e_pf *pf = filp->private_data; 1653 int bytes_not_copied; 1654 int buf_size = 256; 1655 char *buf; 1656 int len; 1657 1658 /* don't allow partal reads */ 1659 if (*ppos != 0) 1660 return 0; 1661 if (count < buf_size) 1662 return -ENOSPC; 1663 1664 buf = kzalloc(buf_size, GFP_KERNEL); 1665 if (!buf) 1666 return -ENOSPC; 1667 1668 len = snprintf(buf, buf_size, "%s: %s\n", 1669 pf->vsi[pf->lan_vsi]->netdev->name, 1670 i40e_dbg_netdev_ops_buf); 1671 1672 bytes_not_copied = copy_to_user(buffer, buf, len); 1673 kfree(buf); 1674 1675 if (bytes_not_copied) 1676 return -EFAULT; 1677 1678 *ppos = len; 1679 return len; 1680 } 1681 1682 /** 1683 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1684 * @filp: the opened file 1685 * @buffer: where to find the user's data 1686 * @count: the length of the user's data 1687 * @ppos: file position offset 1688 **/ 1689 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1690 const char __user *buffer, 1691 size_t count, loff_t *ppos) 1692 { 1693 struct i40e_pf *pf = filp->private_data; 1694 int bytes_not_copied; 1695 struct i40e_vsi *vsi; 1696 char *buf_tmp; 1697 int vsi_seid; 1698 int i, cnt; 1699 1700 /* don't allow partial writes */ 1701 if (*ppos != 0) 1702 return 0; 1703 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1704 return -ENOSPC; 1705 1706 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1707 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1708 buffer, count); 1709 if (bytes_not_copied) 1710 return -EFAULT; 1711 i40e_dbg_netdev_ops_buf[count] = '\0'; 1712 1713 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1714 if (buf_tmp) { 1715 *buf_tmp = '\0'; 1716 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1717 } 1718 1719 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1720 int mtu; 1721 1722 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1723 &vsi_seid, &mtu); 1724 if (cnt != 2) { 1725 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1726 goto netdev_ops_write_done; 1727 } 1728 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1729 if (!vsi) { 1730 dev_info(&pf->pdev->dev, 1731 "change_mtu: VSI %d not found\n", vsi_seid); 1732 } else if (!vsi->netdev) { 1733 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1734 vsi_seid); 1735 } else if (rtnl_trylock()) { 1736 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1737 mtu); 1738 rtnl_unlock(); 1739 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1740 } else { 1741 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1742 } 1743 1744 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1745 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1746 if (cnt != 1) { 1747 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1748 goto netdev_ops_write_done; 1749 } 1750 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1751 if (!vsi) { 1752 dev_info(&pf->pdev->dev, 1753 "set_rx_mode: VSI %d not found\n", vsi_seid); 1754 } else if (!vsi->netdev) { 1755 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1756 vsi_seid); 1757 } else if (rtnl_trylock()) { 1758 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1759 rtnl_unlock(); 1760 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1761 } else { 1762 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1763 } 1764 1765 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1766 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1767 if (cnt != 1) { 1768 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1769 goto netdev_ops_write_done; 1770 } 1771 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1772 if (!vsi) { 1773 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1774 vsi_seid); 1775 } else if (!vsi->netdev) { 1776 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1777 vsi_seid); 1778 } else { 1779 for (i = 0; i < vsi->num_q_vectors; i++) 1780 napi_schedule(&vsi->q_vectors[i]->napi); 1781 dev_info(&pf->pdev->dev, "napi called\n"); 1782 } 1783 } else { 1784 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1785 i40e_dbg_netdev_ops_buf); 1786 dev_info(&pf->pdev->dev, "available commands\n"); 1787 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1788 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1789 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1790 } 1791 netdev_ops_write_done: 1792 return count; 1793 } 1794 1795 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1796 .owner = THIS_MODULE, 1797 .open = simple_open, 1798 .read = i40e_dbg_netdev_ops_read, 1799 .write = i40e_dbg_netdev_ops_write, 1800 }; 1801 1802 /** 1803 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1804 * @pf: the PF that is starting up 1805 **/ 1806 void i40e_dbg_pf_init(struct i40e_pf *pf) 1807 { 1808 const char *name = pci_name(pf->pdev); 1809 1810 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1811 1812 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1813 &i40e_dbg_command_fops); 1814 1815 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1816 &i40e_dbg_netdev_ops_fops); 1817 } 1818 1819 /** 1820 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1821 * @pf: the PF that is stopping 1822 **/ 1823 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1824 { 1825 debugfs_remove_recursive(pf->i40e_dbg_pf); 1826 pf->i40e_dbg_pf = NULL; 1827 } 1828 1829 /** 1830 * i40e_dbg_init - start up debugfs for the driver 1831 **/ 1832 void i40e_dbg_init(void) 1833 { 1834 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1835 if (!i40e_dbg_root) 1836 pr_info("init of debugfs failed\n"); 1837 } 1838 1839 /** 1840 * i40e_dbg_exit - clean out the driver's debugfs entries 1841 **/ 1842 void i40e_dbg_exit(void) 1843 { 1844 debugfs_remove_recursive(i40e_dbg_root); 1845 i40e_dbg_root = NULL; 1846 } 1847 1848 #endif /* CONFIG_DEBUG_FS */ 1849