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 #include <linux/if_bridge.h> 9 #include "i40e.h" 10 #include "i40e_virtchnl_pf.h" 11 12 static struct dentry *i40e_dbg_root; 13 14 enum ring_type { 15 RING_TYPE_RX, 16 RING_TYPE_TX, 17 RING_TYPE_XDP 18 }; 19 20 /** 21 * i40e_dbg_find_vsi - searches for the vsi with the given seid 22 * @pf: the PF structure to search for the vsi 23 * @seid: seid of the vsi it is searching for 24 **/ 25 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) 26 { 27 int i; 28 29 if (seid < 0) 30 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 31 else 32 for (i = 0; i < pf->num_alloc_vsi; i++) 33 if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) 34 return pf->vsi[i]; 35 36 return NULL; 37 } 38 39 /** 40 * i40e_dbg_find_veb - searches for the veb with the given seid 41 * @pf: the PF structure to search for the veb 42 * @seid: seid of the veb it is searching for 43 **/ 44 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) 45 { 46 int i; 47 48 for (i = 0; i < I40E_MAX_VEB; i++) 49 if (pf->veb[i] && pf->veb[i]->seid == seid) 50 return pf->veb[i]; 51 return NULL; 52 } 53 54 /************************************************************** 55 * command 56 * The command entry in debugfs is for giving the driver commands 57 * to be executed - these may be for changing the internal switch 58 * setup, adding or removing filters, or other things. Many of 59 * these will be useful for some forms of unit testing. 60 **************************************************************/ 61 static char i40e_dbg_command_buf[256] = ""; 62 63 /** 64 * i40e_dbg_command_read - read for command datum 65 * @filp: the opened file 66 * @buffer: where to write the data for the user to read 67 * @count: the size of the user's buffer 68 * @ppos: file position offset 69 **/ 70 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 71 size_t count, loff_t *ppos) 72 { 73 struct i40e_pf *pf = filp->private_data; 74 int bytes_not_copied; 75 int buf_size = 256; 76 char *buf; 77 int len; 78 79 /* don't allow partial reads */ 80 if (*ppos != 0) 81 return 0; 82 if (count < buf_size) 83 return -ENOSPC; 84 85 buf = kzalloc(buf_size, GFP_KERNEL); 86 if (!buf) 87 return -ENOSPC; 88 89 len = snprintf(buf, buf_size, "%s: %s\n", 90 pf->vsi[pf->lan_vsi]->netdev->name, 91 i40e_dbg_command_buf); 92 93 bytes_not_copied = copy_to_user(buffer, buf, len); 94 kfree(buf); 95 96 if (bytes_not_copied) 97 return -EFAULT; 98 99 *ppos = len; 100 return len; 101 } 102 103 static char *i40e_filter_state_string[] = { 104 "INVALID", 105 "NEW", 106 "ACTIVE", 107 "FAILED", 108 "REMOVE", 109 }; 110 111 /** 112 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 113 * @pf: the i40e_pf created in command write 114 * @seid: the seid the user put in 115 **/ 116 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 117 { 118 struct rtnl_link_stats64 *nstat; 119 struct i40e_mac_filter *f; 120 struct i40e_vsi *vsi; 121 int i, bkt; 122 123 vsi = i40e_dbg_find_vsi(pf, seid); 124 if (!vsi) { 125 dev_info(&pf->pdev->dev, 126 "dump %d: seid not found\n", seid); 127 return; 128 } 129 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 130 if (vsi->netdev) { 131 struct net_device *nd = vsi->netdev; 132 133 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 134 nd->name, nd->state, nd->flags); 135 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 136 (unsigned long int)nd->features); 137 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 138 (unsigned long int)nd->hw_features); 139 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 140 (unsigned long int)nd->vlan_features); 141 } 142 dev_info(&pf->pdev->dev, 143 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 144 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); 145 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) 146 dev_info(&pf->pdev->dev, 147 " state[%d] = %08lx\n", 148 i, vsi->state[i]); 149 if (vsi == pf->vsi[pf->lan_vsi]) 150 dev_info(&pf->pdev->dev, " MAC address: %pM Port MAC: %pM\n", 151 pf->hw.mac.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, tx_stopped = %lld\n", 313 i, 314 tx_ring->tx_stats.tx_busy, 315 tx_ring->tx_stats.tx_done_old, 316 tx_ring->tx_stats.tx_stopped); 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 (vsi->type != I40E_VSI_MAIN && 557 vsi->type != I40E_VSI_FDIR && 558 vsi->type != I40E_VSI_VMDQ2) { 559 dev_info(&pf->pdev->dev, 560 "vsi %d type %d descriptor rings not available\n", 561 vsi_seid, vsi->type); 562 return; 563 } 564 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { 565 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid); 566 return; 567 } 568 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 569 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 570 return; 571 } 572 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 573 dev_info(&pf->pdev->dev, 574 "descriptor rings have not been allocated for vsi %d\n", 575 vsi_seid); 576 return; 577 } 578 579 switch (type) { 580 case RING_TYPE_RX: 581 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 582 break; 583 case RING_TYPE_TX: 584 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 585 break; 586 case RING_TYPE_XDP: 587 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); 588 break; 589 default: 590 ring = NULL; 591 break; 592 } 593 if (!ring) 594 return; 595 596 if (cnt == 2) { 597 switch (type) { 598 case RING_TYPE_RX: 599 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id); 600 break; 601 case RING_TYPE_TX: 602 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id); 603 break; 604 case RING_TYPE_XDP: 605 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id); 606 break; 607 } 608 for (i = 0; i < ring->count; i++) { 609 if (!is_rx_ring) { 610 txd = I40E_TX_DESC(ring, i); 611 dev_info(&pf->pdev->dev, 612 " d[%03x] = 0x%016llx 0x%016llx\n", 613 i, txd->buffer_addr, 614 txd->cmd_type_offset_bsz); 615 } else { 616 rxd = I40E_RX_DESC(ring, i); 617 dev_info(&pf->pdev->dev, 618 " d[%03x] = 0x%016llx 0x%016llx\n", 619 i, rxd->read.pkt_addr, 620 rxd->read.hdr_addr); 621 } 622 } 623 } else if (cnt == 3) { 624 if (desc_n >= ring->count || desc_n < 0) { 625 dev_info(&pf->pdev->dev, 626 "descriptor %d not found\n", desc_n); 627 goto out; 628 } 629 if (!is_rx_ring) { 630 txd = I40E_TX_DESC(ring, desc_n); 631 dev_info(&pf->pdev->dev, 632 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 633 vsi_seid, ring_id, desc_n, 634 txd->buffer_addr, txd->cmd_type_offset_bsz); 635 } else { 636 rxd = I40E_RX_DESC(ring, desc_n); 637 dev_info(&pf->pdev->dev, 638 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 639 vsi_seid, ring_id, desc_n, 640 rxd->read.pkt_addr, rxd->read.hdr_addr); 641 } 642 } else { 643 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 644 } 645 646 out: 647 kfree(ring); 648 } 649 650 /** 651 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 652 * @pf: the i40e_pf created in command write 653 **/ 654 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 655 { 656 int i; 657 658 for (i = 0; i < pf->num_alloc_vsi; i++) 659 if (pf->vsi[i]) 660 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 661 i, pf->vsi[i]->seid); 662 } 663 664 /** 665 * i40e_dbg_dump_eth_stats - handles dump stats write into command datum 666 * @pf: the i40e_pf created in command write 667 * @estats: the eth stats structure to be dumped 668 **/ 669 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 670 struct i40e_eth_stats *estats) 671 { 672 dev_info(&pf->pdev->dev, " ethstats:\n"); 673 dev_info(&pf->pdev->dev, 674 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 675 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 676 dev_info(&pf->pdev->dev, 677 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 678 estats->rx_broadcast, estats->rx_discards); 679 dev_info(&pf->pdev->dev, 680 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 681 estats->rx_unknown_protocol, estats->tx_bytes); 682 dev_info(&pf->pdev->dev, 683 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 684 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 685 dev_info(&pf->pdev->dev, 686 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 687 estats->tx_discards, estats->tx_errors); 688 } 689 690 /** 691 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 692 * @pf: the i40e_pf created in command write 693 * @seid: the seid the user put in 694 **/ 695 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 696 { 697 struct i40e_veb *veb; 698 699 veb = i40e_dbg_find_veb(pf, seid); 700 if (!veb) { 701 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 702 return; 703 } 704 dev_info(&pf->pdev->dev, 705 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 706 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 707 veb->uplink_seid, 708 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 709 i40e_dbg_dump_eth_stats(pf, &veb->stats); 710 } 711 712 /** 713 * i40e_dbg_dump_veb_all - dumps all known veb's stats 714 * @pf: the i40e_pf created in command write 715 **/ 716 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 717 { 718 struct i40e_veb *veb; 719 int i; 720 721 for (i = 0; i < I40E_MAX_VEB; i++) { 722 veb = pf->veb[i]; 723 if (veb) 724 i40e_dbg_dump_veb_seid(pf, veb->seid); 725 } 726 } 727 728 /** 729 * i40e_dbg_dump_vf - dump VF info 730 * @pf: the i40e_pf created in command write 731 * @vf_id: the vf_id from the user 732 **/ 733 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 734 { 735 struct i40e_vf *vf; 736 struct i40e_vsi *vsi; 737 738 if (!pf->num_alloc_vfs) { 739 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 740 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 741 vf = &pf->vf[vf_id]; 742 vsi = pf->vsi[vf->lan_vsi_idx]; 743 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 744 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 745 dev_info(&pf->pdev->dev, " num MDD=%lld\n", 746 vf->num_mdd_events); 747 } else { 748 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 749 } 750 } 751 752 /** 753 * i40e_dbg_dump_vf_all - dump VF info for all VFs 754 * @pf: the i40e_pf created in command write 755 **/ 756 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 757 { 758 int i; 759 760 if (!pf->num_alloc_vfs) 761 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 762 else 763 for (i = 0; i < pf->num_alloc_vfs; i++) 764 i40e_dbg_dump_vf(pf, i); 765 } 766 767 /** 768 * i40e_dbg_command_write - write into command datum 769 * @filp: the opened file 770 * @buffer: where to find the user's data 771 * @count: the length of the user's data 772 * @ppos: file position offset 773 **/ 774 static ssize_t i40e_dbg_command_write(struct file *filp, 775 const char __user *buffer, 776 size_t count, loff_t *ppos) 777 { 778 struct i40e_pf *pf = filp->private_data; 779 char *cmd_buf, *cmd_buf_tmp; 780 int bytes_not_copied; 781 struct i40e_vsi *vsi; 782 int vsi_seid; 783 int veb_seid; 784 int vf_id; 785 int cnt; 786 787 /* don't allow partial writes */ 788 if (*ppos != 0) 789 return 0; 790 791 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 792 if (!cmd_buf) 793 return count; 794 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 795 if (bytes_not_copied) { 796 kfree(cmd_buf); 797 return -EFAULT; 798 } 799 cmd_buf[count] = '\0'; 800 801 cmd_buf_tmp = strchr(cmd_buf, '\n'); 802 if (cmd_buf_tmp) { 803 *cmd_buf_tmp = '\0'; 804 count = cmd_buf_tmp - cmd_buf + 1; 805 } 806 807 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 808 vsi_seid = -1; 809 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 810 if (cnt == 0) { 811 /* default to PF VSI */ 812 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 813 } else if (vsi_seid < 0) { 814 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 815 vsi_seid); 816 goto command_write_done; 817 } 818 819 /* By default we are in VEPA mode, if this is the first VF/VMDq 820 * VSI to be added switch to VEB mode. 821 */ 822 if (!test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags)) { 823 set_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags); 824 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 825 } 826 827 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 828 if (vsi) 829 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 830 vsi->seid, vsi->uplink_seid); 831 else 832 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 833 834 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 835 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 836 if (cnt != 1) { 837 dev_info(&pf->pdev->dev, 838 "del vsi: bad command string, cnt=%d\n", 839 cnt); 840 goto command_write_done; 841 } 842 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 843 if (!vsi) { 844 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 845 vsi_seid); 846 goto command_write_done; 847 } 848 849 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 850 i40e_vsi_release(vsi); 851 852 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 853 struct i40e_veb *veb; 854 int uplink_seid, i; 855 856 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 857 if (cnt != 2) { 858 dev_info(&pf->pdev->dev, 859 "add relay: bad command string, cnt=%d\n", 860 cnt); 861 goto command_write_done; 862 } else if (uplink_seid < 0) { 863 dev_info(&pf->pdev->dev, 864 "add relay %d: bad uplink seid\n", 865 uplink_seid); 866 goto command_write_done; 867 } 868 869 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 870 if (!vsi) { 871 dev_info(&pf->pdev->dev, 872 "add relay: VSI %d not found\n", vsi_seid); 873 goto command_write_done; 874 } 875 876 for (i = 0; i < I40E_MAX_VEB; i++) 877 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 878 break; 879 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 880 uplink_seid != pf->mac_seid) { 881 dev_info(&pf->pdev->dev, 882 "add relay: relay uplink %d not found\n", 883 uplink_seid); 884 goto command_write_done; 885 } 886 887 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 888 vsi->tc_config.enabled_tc); 889 if (veb) 890 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 891 else 892 dev_info(&pf->pdev->dev, "add relay failed\n"); 893 894 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 895 int i; 896 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 897 if (cnt != 1) { 898 dev_info(&pf->pdev->dev, 899 "del relay: bad command string, cnt=%d\n", 900 cnt); 901 goto command_write_done; 902 } else if (veb_seid < 0) { 903 dev_info(&pf->pdev->dev, 904 "del relay %d: bad relay seid\n", veb_seid); 905 goto command_write_done; 906 } 907 908 /* find the veb */ 909 for (i = 0; i < I40E_MAX_VEB; i++) 910 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 911 break; 912 if (i >= I40E_MAX_VEB) { 913 dev_info(&pf->pdev->dev, 914 "del relay: relay %d not found\n", veb_seid); 915 goto command_write_done; 916 } 917 918 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 919 i40e_veb_release(pf->veb[i]); 920 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 921 unsigned int v; 922 int ret; 923 u16 vid; 924 925 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 926 if (cnt != 2) { 927 dev_info(&pf->pdev->dev, 928 "add pvid: bad command string, cnt=%d\n", cnt); 929 goto command_write_done; 930 } 931 932 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 933 if (!vsi) { 934 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 935 vsi_seid); 936 goto command_write_done; 937 } 938 939 vid = v; 940 ret = i40e_vsi_add_pvid(vsi, vid); 941 if (!ret) 942 dev_info(&pf->pdev->dev, 943 "add pvid: %d added to VSI %d\n", 944 vid, vsi_seid); 945 else 946 dev_info(&pf->pdev->dev, 947 "add pvid: %d to VSI %d failed, ret=%d\n", 948 vid, vsi_seid, ret); 949 950 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 951 952 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 953 if (cnt != 1) { 954 dev_info(&pf->pdev->dev, 955 "del pvid: bad command string, cnt=%d\n", 956 cnt); 957 goto command_write_done; 958 } 959 960 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 961 if (!vsi) { 962 dev_info(&pf->pdev->dev, 963 "del pvid: VSI %d not found\n", vsi_seid); 964 goto command_write_done; 965 } 966 967 i40e_vsi_remove_pvid(vsi); 968 dev_info(&pf->pdev->dev, 969 "del pvid: removed from VSI %d\n", vsi_seid); 970 971 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 972 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 973 i40e_fetch_switch_configuration(pf, true); 974 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 975 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 976 if (cnt > 0) 977 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 978 else 979 i40e_dbg_dump_vsi_no_seid(pf); 980 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 981 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 982 if (cnt > 0) 983 i40e_dbg_dump_veb_seid(pf, vsi_seid); 984 else 985 i40e_dbg_dump_veb_all(pf); 986 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 987 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 988 if (cnt > 0) 989 i40e_dbg_dump_vf(pf, vf_id); 990 else 991 i40e_dbg_dump_vf_all(pf); 992 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 993 int ring_id, desc_n; 994 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 995 cnt = sscanf(&cmd_buf[12], "%i %i %i", 996 &vsi_seid, &ring_id, &desc_n); 997 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 998 desc_n, pf, RING_TYPE_RX); 999 } else if (strncmp(&cmd_buf[10], "tx", 2) 1000 == 0) { 1001 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1002 &vsi_seid, &ring_id, &desc_n); 1003 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1004 desc_n, pf, RING_TYPE_TX); 1005 } else if (strncmp(&cmd_buf[10], "xdp", 3) 1006 == 0) { 1007 cnt = sscanf(&cmd_buf[13], "%i %i %i", 1008 &vsi_seid, &ring_id, &desc_n); 1009 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1010 desc_n, pf, RING_TYPE_XDP); 1011 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1012 i40e_dbg_dump_aq_desc(pf); 1013 } else { 1014 dev_info(&pf->pdev->dev, 1015 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1016 dev_info(&pf->pdev->dev, 1017 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1018 dev_info(&pf->pdev->dev, 1019 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1020 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1021 } 1022 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1023 dev_info(&pf->pdev->dev, 1024 "core reset count: %d\n", pf->corer_count); 1025 dev_info(&pf->pdev->dev, 1026 "global reset count: %d\n", pf->globr_count); 1027 dev_info(&pf->pdev->dev, 1028 "emp reset count: %d\n", pf->empr_count); 1029 dev_info(&pf->pdev->dev, 1030 "pf reset count: %d\n", pf->pfr_count); 1031 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1032 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1033 struct i40e_dcbx_config *cfg = 1034 &pf->hw.local_dcbx_config; 1035 struct i40e_dcbx_config *r_cfg = 1036 &pf->hw.remote_dcbx_config; 1037 int i, ret; 1038 u16 switch_id; 1039 1040 bw_data = kzalloc(sizeof( 1041 struct i40e_aqc_query_port_ets_config_resp), 1042 GFP_KERNEL); 1043 if (!bw_data) { 1044 ret = -ENOMEM; 1045 goto command_write_done; 1046 } 1047 1048 vsi = pf->vsi[pf->lan_vsi]; 1049 switch_id = 1050 le16_to_cpu(vsi->info.switch_id) & 1051 I40E_AQ_VSI_SW_ID_MASK; 1052 1053 ret = i40e_aq_query_port_ets_config(&pf->hw, 1054 switch_id, 1055 bw_data, NULL); 1056 if (ret) { 1057 dev_info(&pf->pdev->dev, 1058 "Query Port ETS Config AQ command failed =0x%x\n", 1059 pf->hw.aq.asq_last_status); 1060 kfree(bw_data); 1061 bw_data = NULL; 1062 goto command_write_done; 1063 } 1064 dev_info(&pf->pdev->dev, 1065 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1066 bw_data->tc_valid_bits, 1067 bw_data->tc_strict_priority_bits, 1068 le16_to_cpu(bw_data->tc_bw_max[0]), 1069 le16_to_cpu(bw_data->tc_bw_max[1])); 1070 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1071 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1072 bw_data->tc_bw_share_credits[i], 1073 le16_to_cpu(bw_data->tc_bw_limits[i])); 1074 } 1075 1076 kfree(bw_data); 1077 bw_data = NULL; 1078 1079 dev_info(&pf->pdev->dev, 1080 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1081 dev_info(&pf->pdev->dev, 1082 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1083 cfg->etscfg.willing, cfg->etscfg.cbs, 1084 cfg->etscfg.maxtcs); 1085 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1086 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1087 i, cfg->etscfg.prioritytable[i], 1088 cfg->etscfg.tcbwtable[i], 1089 cfg->etscfg.tsatable[i]); 1090 } 1091 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1092 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1093 i, cfg->etsrec.prioritytable[i], 1094 cfg->etsrec.tcbwtable[i], 1095 cfg->etsrec.tsatable[i]); 1096 } 1097 dev_info(&pf->pdev->dev, 1098 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1099 cfg->pfc.willing, cfg->pfc.mbc, 1100 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1101 dev_info(&pf->pdev->dev, 1102 "port app_table: num_apps=%d\n", cfg->numapps); 1103 for (i = 0; i < cfg->numapps; i++) { 1104 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1105 i, cfg->app[i].priority, 1106 cfg->app[i].selector, 1107 cfg->app[i].protocolid); 1108 } 1109 /* Peer TLV DCBX data */ 1110 dev_info(&pf->pdev->dev, 1111 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1112 r_cfg->etscfg.willing, 1113 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1114 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1115 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1116 i, r_cfg->etscfg.prioritytable[i], 1117 r_cfg->etscfg.tcbwtable[i], 1118 r_cfg->etscfg.tsatable[i]); 1119 } 1120 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1121 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1122 i, r_cfg->etsrec.prioritytable[i], 1123 r_cfg->etsrec.tcbwtable[i], 1124 r_cfg->etsrec.tsatable[i]); 1125 } 1126 dev_info(&pf->pdev->dev, 1127 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1128 r_cfg->pfc.willing, 1129 r_cfg->pfc.mbc, 1130 r_cfg->pfc.pfccap, 1131 r_cfg->pfc.pfcenable); 1132 dev_info(&pf->pdev->dev, 1133 "remote port app_table: num_apps=%d\n", 1134 r_cfg->numapps); 1135 for (i = 0; i < r_cfg->numapps; i++) { 1136 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1137 i, r_cfg->app[i].priority, 1138 r_cfg->app[i].selector, 1139 r_cfg->app[i].protocolid); 1140 } 1141 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1142 int cluster_id, table_id; 1143 int index, ret; 1144 u16 buff_len = 4096; 1145 u32 next_index; 1146 u8 next_table; 1147 u8 *buff; 1148 u16 rlen; 1149 1150 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1151 &cluster_id, &table_id, &index); 1152 if (cnt != 3) { 1153 dev_info(&pf->pdev->dev, 1154 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1155 goto command_write_done; 1156 } 1157 1158 dev_info(&pf->pdev->dev, 1159 "AQ debug dump fwdata params %x %x %x %x\n", 1160 cluster_id, table_id, index, buff_len); 1161 buff = kzalloc(buff_len, GFP_KERNEL); 1162 if (!buff) 1163 goto command_write_done; 1164 1165 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1166 index, buff_len, buff, &rlen, 1167 &next_table, &next_index, 1168 NULL); 1169 if (ret) { 1170 dev_info(&pf->pdev->dev, 1171 "debug dump fwdata AQ Failed %d 0x%x\n", 1172 ret, pf->hw.aq.asq_last_status); 1173 kfree(buff); 1174 buff = NULL; 1175 goto command_write_done; 1176 } 1177 dev_info(&pf->pdev->dev, 1178 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1179 rlen, next_table, next_index); 1180 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1181 DUMP_PREFIX_OFFSET, 16, 1, 1182 buff, rlen, true); 1183 kfree(buff); 1184 buff = NULL; 1185 } else { 1186 dev_info(&pf->pdev->dev, 1187 "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"); 1188 dev_info(&pf->pdev->dev, "dump switch\n"); 1189 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1190 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1191 dev_info(&pf->pdev->dev, "dump port\n"); 1192 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1193 dev_info(&pf->pdev->dev, 1194 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1195 } 1196 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1197 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1198 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1199 1200 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1201 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1202 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1203 1204 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1205 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1206 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1207 1208 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1209 u32 address; 1210 u32 value; 1211 1212 cnt = sscanf(&cmd_buf[4], "%i", &address); 1213 if (cnt != 1) { 1214 dev_info(&pf->pdev->dev, "read <reg>\n"); 1215 goto command_write_done; 1216 } 1217 1218 /* check the range on address */ 1219 if (address > (pf->ioremap_len - sizeof(u32))) { 1220 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1221 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1222 goto command_write_done; 1223 } 1224 1225 value = rd32(&pf->hw, address); 1226 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1227 address, value); 1228 1229 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1230 u32 address, value; 1231 1232 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1233 if (cnt != 2) { 1234 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1235 goto command_write_done; 1236 } 1237 1238 /* check the range on address */ 1239 if (address > (pf->ioremap_len - sizeof(u32))) { 1240 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1241 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1242 goto command_write_done; 1243 } 1244 wr32(&pf->hw, address, value); 1245 value = rd32(&pf->hw, address); 1246 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1247 address, value); 1248 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1249 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1250 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1251 if (cnt == 0) { 1252 int i; 1253 1254 for (i = 0; i < pf->num_alloc_vsi; i++) 1255 i40e_vsi_reset_stats(pf->vsi[i]); 1256 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1257 } else if (cnt == 1) { 1258 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1259 if (!vsi) { 1260 dev_info(&pf->pdev->dev, 1261 "clear_stats vsi: bad vsi %d\n", 1262 vsi_seid); 1263 goto command_write_done; 1264 } 1265 i40e_vsi_reset_stats(vsi); 1266 dev_info(&pf->pdev->dev, 1267 "vsi clear stats called for vsi %d\n", 1268 vsi_seid); 1269 } else { 1270 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1271 } 1272 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1273 if (pf->hw.partition_id == 1) { 1274 i40e_pf_reset_stats(pf); 1275 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1276 } else { 1277 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1278 } 1279 } else { 1280 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1281 } 1282 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1283 struct i40e_aq_desc *desc; 1284 int ret; 1285 1286 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1287 if (!desc) 1288 goto command_write_done; 1289 cnt = sscanf(&cmd_buf[11], 1290 "%hi %hi %hi %hi %i %i %i %i %i %i", 1291 &desc->flags, 1292 &desc->opcode, &desc->datalen, &desc->retval, 1293 &desc->cookie_high, &desc->cookie_low, 1294 &desc->params.internal.param0, 1295 &desc->params.internal.param1, 1296 &desc->params.internal.param2, 1297 &desc->params.internal.param3); 1298 if (cnt != 10) { 1299 dev_info(&pf->pdev->dev, 1300 "send aq_cmd: bad command string, cnt=%d\n", 1301 cnt); 1302 kfree(desc); 1303 desc = NULL; 1304 goto command_write_done; 1305 } 1306 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1307 if (!ret) { 1308 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1309 } else if (ret == -EIO) { 1310 dev_info(&pf->pdev->dev, 1311 "AQ command send failed Opcode %x AQ Error: %d\n", 1312 desc->opcode, pf->hw.aq.asq_last_status); 1313 } else { 1314 dev_info(&pf->pdev->dev, 1315 "AQ command send failed Opcode %x Status: %d\n", 1316 desc->opcode, ret); 1317 } 1318 dev_info(&pf->pdev->dev, 1319 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1320 desc->flags, desc->opcode, desc->datalen, desc->retval, 1321 desc->cookie_high, desc->cookie_low, 1322 desc->params.internal.param0, 1323 desc->params.internal.param1, 1324 desc->params.internal.param2, 1325 desc->params.internal.param3); 1326 kfree(desc); 1327 desc = NULL; 1328 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1329 struct i40e_aq_desc *desc; 1330 u16 buffer_len; 1331 u8 *buff; 1332 int ret; 1333 1334 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1335 if (!desc) 1336 goto command_write_done; 1337 cnt = sscanf(&cmd_buf[20], 1338 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1339 &desc->flags, 1340 &desc->opcode, &desc->datalen, &desc->retval, 1341 &desc->cookie_high, &desc->cookie_low, 1342 &desc->params.internal.param0, 1343 &desc->params.internal.param1, 1344 &desc->params.internal.param2, 1345 &desc->params.internal.param3, 1346 &buffer_len); 1347 if (cnt != 11) { 1348 dev_info(&pf->pdev->dev, 1349 "send indirect aq_cmd: bad command string, cnt=%d\n", 1350 cnt); 1351 kfree(desc); 1352 desc = NULL; 1353 goto command_write_done; 1354 } 1355 /* Just stub a buffer big enough in case user messed up */ 1356 if (buffer_len == 0) 1357 buffer_len = 1280; 1358 1359 buff = kzalloc(buffer_len, GFP_KERNEL); 1360 if (!buff) { 1361 kfree(desc); 1362 desc = NULL; 1363 goto command_write_done; 1364 } 1365 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1366 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1367 buffer_len, NULL); 1368 if (!ret) { 1369 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1370 } else if (ret == -EIO) { 1371 dev_info(&pf->pdev->dev, 1372 "AQ command send failed Opcode %x AQ Error: %d\n", 1373 desc->opcode, pf->hw.aq.asq_last_status); 1374 } else { 1375 dev_info(&pf->pdev->dev, 1376 "AQ command send failed Opcode %x Status: %d\n", 1377 desc->opcode, ret); 1378 } 1379 dev_info(&pf->pdev->dev, 1380 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1381 desc->flags, desc->opcode, desc->datalen, desc->retval, 1382 desc->cookie_high, desc->cookie_low, 1383 desc->params.internal.param0, 1384 desc->params.internal.param1, 1385 desc->params.internal.param2, 1386 desc->params.internal.param3); 1387 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1388 DUMP_PREFIX_OFFSET, 16, 1, 1389 buff, buffer_len, true); 1390 kfree(buff); 1391 buff = NULL; 1392 kfree(desc); 1393 desc = NULL; 1394 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1395 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1396 i40e_get_current_fd_count(pf)); 1397 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1398 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1399 int ret; 1400 1401 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL); 1402 if (ret) { 1403 dev_info(&pf->pdev->dev, 1404 "Stop LLDP AQ command failed =0x%x\n", 1405 pf->hw.aq.asq_last_status); 1406 goto command_write_done; 1407 } 1408 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1409 pf->hw.mac.addr, 1410 ETH_P_LLDP, 0, 1411 pf->vsi[pf->lan_vsi]->seid, 1412 0, true, NULL, NULL); 1413 if (ret) { 1414 dev_info(&pf->pdev->dev, 1415 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1416 __func__, pf->hw.aq.asq_last_status); 1417 goto command_write_done; 1418 } 1419 #ifdef CONFIG_I40E_DCB 1420 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1421 DCB_CAP_DCBX_VER_IEEE; 1422 #endif /* CONFIG_I40E_DCB */ 1423 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1424 int ret; 1425 1426 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1427 pf->hw.mac.addr, 1428 ETH_P_LLDP, 0, 1429 pf->vsi[pf->lan_vsi]->seid, 1430 0, false, NULL, NULL); 1431 if (ret) { 1432 dev_info(&pf->pdev->dev, 1433 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1434 __func__, pf->hw.aq.asq_last_status); 1435 /* Continue and start FW LLDP anyways */ 1436 } 1437 1438 ret = i40e_aq_start_lldp(&pf->hw, false, NULL); 1439 if (ret) { 1440 dev_info(&pf->pdev->dev, 1441 "Start LLDP AQ command failed =0x%x\n", 1442 pf->hw.aq.asq_last_status); 1443 goto command_write_done; 1444 } 1445 #ifdef CONFIG_I40E_DCB 1446 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1447 DCB_CAP_DCBX_VER_IEEE; 1448 #endif /* CONFIG_I40E_DCB */ 1449 } else if (strncmp(&cmd_buf[5], 1450 "get local", 9) == 0) { 1451 u16 llen, rlen; 1452 int ret; 1453 u8 *buff; 1454 1455 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1456 if (!buff) 1457 goto command_write_done; 1458 1459 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1460 I40E_AQ_LLDP_MIB_LOCAL, 1461 buff, I40E_LLDPDU_SIZE, 1462 &llen, &rlen, NULL); 1463 if (ret) { 1464 dev_info(&pf->pdev->dev, 1465 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1466 pf->hw.aq.asq_last_status); 1467 kfree(buff); 1468 buff = NULL; 1469 goto command_write_done; 1470 } 1471 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1472 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1473 DUMP_PREFIX_OFFSET, 16, 1, 1474 buff, I40E_LLDPDU_SIZE, true); 1475 kfree(buff); 1476 buff = NULL; 1477 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1478 u16 llen, rlen; 1479 int ret; 1480 u8 *buff; 1481 1482 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1483 if (!buff) 1484 goto command_write_done; 1485 1486 ret = i40e_aq_get_lldp_mib(&pf->hw, 1487 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1488 I40E_AQ_LLDP_MIB_REMOTE, 1489 buff, I40E_LLDPDU_SIZE, 1490 &llen, &rlen, NULL); 1491 if (ret) { 1492 dev_info(&pf->pdev->dev, 1493 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1494 pf->hw.aq.asq_last_status); 1495 kfree(buff); 1496 buff = NULL; 1497 goto command_write_done; 1498 } 1499 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1500 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1501 DUMP_PREFIX_OFFSET, 16, 1, 1502 buff, I40E_LLDPDU_SIZE, true); 1503 kfree(buff); 1504 buff = NULL; 1505 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1506 int ret; 1507 1508 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1509 true, NULL); 1510 if (ret) { 1511 dev_info(&pf->pdev->dev, 1512 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1513 pf->hw.aq.asq_last_status); 1514 goto command_write_done; 1515 } 1516 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1517 int ret; 1518 1519 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1520 false, NULL); 1521 if (ret) { 1522 dev_info(&pf->pdev->dev, 1523 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1524 pf->hw.aq.asq_last_status); 1525 goto command_write_done; 1526 } 1527 } 1528 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1529 u16 buffer_len, bytes; 1530 u16 module; 1531 u32 offset; 1532 u16 *buff; 1533 int ret; 1534 1535 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1536 &module, &offset, &buffer_len); 1537 if (cnt == 0) { 1538 module = 0; 1539 offset = 0; 1540 buffer_len = 0; 1541 } else if (cnt == 1) { 1542 offset = 0; 1543 buffer_len = 0; 1544 } else if (cnt == 2) { 1545 buffer_len = 0; 1546 } else if (cnt > 3) { 1547 dev_info(&pf->pdev->dev, 1548 "nvm read: bad command string, cnt=%d\n", cnt); 1549 goto command_write_done; 1550 } 1551 1552 /* set the max length */ 1553 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1554 1555 bytes = 2 * buffer_len; 1556 1557 /* read at least 1k bytes, no more than 4kB */ 1558 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1559 buff = kzalloc(bytes, GFP_KERNEL); 1560 if (!buff) 1561 goto command_write_done; 1562 1563 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1564 if (ret) { 1565 dev_info(&pf->pdev->dev, 1566 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1567 ret, pf->hw.aq.asq_last_status); 1568 kfree(buff); 1569 goto command_write_done; 1570 } 1571 1572 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1573 bytes, (u8 *)buff, true, NULL); 1574 i40e_release_nvm(&pf->hw); 1575 if (ret) { 1576 dev_info(&pf->pdev->dev, 1577 "Read NVM AQ failed err=%d status=0x%x\n", 1578 ret, pf->hw.aq.asq_last_status); 1579 } else { 1580 dev_info(&pf->pdev->dev, 1581 "Read NVM module=0x%x offset=0x%x words=%d\n", 1582 module, offset, buffer_len); 1583 if (bytes) 1584 print_hex_dump(KERN_INFO, "NVM Dump: ", 1585 DUMP_PREFIX_OFFSET, 16, 2, 1586 buff, bytes, true); 1587 } 1588 kfree(buff); 1589 buff = NULL; 1590 } else { 1591 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1592 dev_info(&pf->pdev->dev, "available commands\n"); 1593 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1594 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1595 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1596 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1597 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1598 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1599 dev_info(&pf->pdev->dev, " dump switch\n"); 1600 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1601 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1602 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1603 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1604 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1605 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1606 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1607 dev_info(&pf->pdev->dev, " read <reg>\n"); 1608 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1609 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1610 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1611 dev_info(&pf->pdev->dev, " pfr\n"); 1612 dev_info(&pf->pdev->dev, " corer\n"); 1613 dev_info(&pf->pdev->dev, " globr\n"); 1614 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1615 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1616 dev_info(&pf->pdev->dev, " fd current cnt"); 1617 dev_info(&pf->pdev->dev, " lldp start\n"); 1618 dev_info(&pf->pdev->dev, " lldp stop\n"); 1619 dev_info(&pf->pdev->dev, " lldp get local\n"); 1620 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1621 dev_info(&pf->pdev->dev, " lldp event on\n"); 1622 dev_info(&pf->pdev->dev, " lldp event off\n"); 1623 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1624 } 1625 1626 command_write_done: 1627 kfree(cmd_buf); 1628 cmd_buf = NULL; 1629 return count; 1630 } 1631 1632 static const struct file_operations i40e_dbg_command_fops = { 1633 .owner = THIS_MODULE, 1634 .open = simple_open, 1635 .read = i40e_dbg_command_read, 1636 .write = i40e_dbg_command_write, 1637 }; 1638 1639 /************************************************************** 1640 * netdev_ops 1641 * The netdev_ops entry in debugfs is for giving the driver commands 1642 * to be executed from the netdev operations. 1643 **************************************************************/ 1644 static char i40e_dbg_netdev_ops_buf[256] = ""; 1645 1646 /** 1647 * i40e_dbg_netdev_ops_read - read for netdev_ops datum 1648 * @filp: the opened file 1649 * @buffer: where to write the data for the user to read 1650 * @count: the size of the user's buffer 1651 * @ppos: file position offset 1652 **/ 1653 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1654 size_t count, loff_t *ppos) 1655 { 1656 struct i40e_pf *pf = filp->private_data; 1657 int bytes_not_copied; 1658 int buf_size = 256; 1659 char *buf; 1660 int len; 1661 1662 /* don't allow partal reads */ 1663 if (*ppos != 0) 1664 return 0; 1665 if (count < buf_size) 1666 return -ENOSPC; 1667 1668 buf = kzalloc(buf_size, GFP_KERNEL); 1669 if (!buf) 1670 return -ENOSPC; 1671 1672 len = snprintf(buf, buf_size, "%s: %s\n", 1673 pf->vsi[pf->lan_vsi]->netdev->name, 1674 i40e_dbg_netdev_ops_buf); 1675 1676 bytes_not_copied = copy_to_user(buffer, buf, len); 1677 kfree(buf); 1678 1679 if (bytes_not_copied) 1680 return -EFAULT; 1681 1682 *ppos = len; 1683 return len; 1684 } 1685 1686 /** 1687 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1688 * @filp: the opened file 1689 * @buffer: where to find the user's data 1690 * @count: the length of the user's data 1691 * @ppos: file position offset 1692 **/ 1693 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1694 const char __user *buffer, 1695 size_t count, loff_t *ppos) 1696 { 1697 struct i40e_pf *pf = filp->private_data; 1698 int bytes_not_copied; 1699 struct i40e_vsi *vsi; 1700 char *buf_tmp; 1701 int vsi_seid; 1702 int i, cnt; 1703 1704 /* don't allow partial writes */ 1705 if (*ppos != 0) 1706 return 0; 1707 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1708 return -ENOSPC; 1709 1710 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1711 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1712 buffer, count); 1713 if (bytes_not_copied) 1714 return -EFAULT; 1715 i40e_dbg_netdev_ops_buf[count] = '\0'; 1716 1717 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1718 if (buf_tmp) { 1719 *buf_tmp = '\0'; 1720 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1721 } 1722 1723 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1724 int mtu; 1725 1726 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1727 &vsi_seid, &mtu); 1728 if (cnt != 2) { 1729 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1730 goto netdev_ops_write_done; 1731 } 1732 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1733 if (!vsi) { 1734 dev_info(&pf->pdev->dev, 1735 "change_mtu: VSI %d not found\n", vsi_seid); 1736 } else if (!vsi->netdev) { 1737 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1738 vsi_seid); 1739 } else if (rtnl_trylock()) { 1740 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1741 mtu); 1742 rtnl_unlock(); 1743 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1744 } else { 1745 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1746 } 1747 1748 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1749 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1750 if (cnt != 1) { 1751 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1752 goto netdev_ops_write_done; 1753 } 1754 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1755 if (!vsi) { 1756 dev_info(&pf->pdev->dev, 1757 "set_rx_mode: VSI %d not found\n", vsi_seid); 1758 } else if (!vsi->netdev) { 1759 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1760 vsi_seid); 1761 } else if (rtnl_trylock()) { 1762 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1763 rtnl_unlock(); 1764 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1765 } else { 1766 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1767 } 1768 1769 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1770 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1771 if (cnt != 1) { 1772 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1773 goto netdev_ops_write_done; 1774 } 1775 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1776 if (!vsi) { 1777 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1778 vsi_seid); 1779 } else if (!vsi->netdev) { 1780 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1781 vsi_seid); 1782 } else { 1783 for (i = 0; i < vsi->num_q_vectors; i++) 1784 napi_schedule(&vsi->q_vectors[i]->napi); 1785 dev_info(&pf->pdev->dev, "napi called\n"); 1786 } 1787 } else { 1788 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1789 i40e_dbg_netdev_ops_buf); 1790 dev_info(&pf->pdev->dev, "available commands\n"); 1791 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1792 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1793 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1794 } 1795 netdev_ops_write_done: 1796 return count; 1797 } 1798 1799 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1800 .owner = THIS_MODULE, 1801 .open = simple_open, 1802 .read = i40e_dbg_netdev_ops_read, 1803 .write = i40e_dbg_netdev_ops_write, 1804 }; 1805 1806 /** 1807 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1808 * @pf: the PF that is starting up 1809 **/ 1810 void i40e_dbg_pf_init(struct i40e_pf *pf) 1811 { 1812 const char *name = pci_name(pf->pdev); 1813 1814 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1815 1816 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1817 &i40e_dbg_command_fops); 1818 1819 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1820 &i40e_dbg_netdev_ops_fops); 1821 } 1822 1823 /** 1824 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1825 * @pf: the PF that is stopping 1826 **/ 1827 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1828 { 1829 debugfs_remove_recursive(pf->i40e_dbg_pf); 1830 pf->i40e_dbg_pf = NULL; 1831 } 1832 1833 /** 1834 * i40e_dbg_init - start up debugfs for the driver 1835 **/ 1836 void i40e_dbg_init(void) 1837 { 1838 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1839 if (IS_ERR(i40e_dbg_root)) 1840 pr_info("init of debugfs failed\n"); 1841 } 1842 1843 /** 1844 * i40e_dbg_exit - clean out the driver's debugfs entries 1845 **/ 1846 void i40e_dbg_exit(void) 1847 { 1848 debugfs_remove_recursive(i40e_dbg_root); 1849 i40e_dbg_root = NULL; 1850 } 1851 1852 #endif /* CONFIG_DEBUG_FS */ 1853