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 /** 14 * i40e_dbg_find_vsi - searches for the vsi with the given seid 15 * @pf: the PF structure to search for the vsi 16 * @seid: seid of the vsi it is searching for 17 **/ 18 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) 19 { 20 int i; 21 22 if (seid < 0) 23 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 24 else 25 for (i = 0; i < pf->num_alloc_vsi; i++) 26 if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) 27 return pf->vsi[i]; 28 29 return NULL; 30 } 31 32 /** 33 * i40e_dbg_find_veb - searches for the veb with the given seid 34 * @pf: the PF structure to search for the veb 35 * @seid: seid of the veb it is searching for 36 **/ 37 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) 38 { 39 int i; 40 41 for (i = 0; i < I40E_MAX_VEB; i++) 42 if (pf->veb[i] && pf->veb[i]->seid == seid) 43 return pf->veb[i]; 44 return NULL; 45 } 46 47 /************************************************************** 48 * command 49 * The command entry in debugfs is for giving the driver commands 50 * to be executed - these may be for changing the internal switch 51 * setup, adding or removing filters, or other things. Many of 52 * these will be useful for some forms of unit testing. 53 **************************************************************/ 54 static char i40e_dbg_command_buf[256] = ""; 55 56 /** 57 * i40e_dbg_command_read - read for command datum 58 * @filp: the opened file 59 * @buffer: where to write the data for the user to read 60 * @count: the size of the user's buffer 61 * @ppos: file position offset 62 **/ 63 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 64 size_t count, loff_t *ppos) 65 { 66 struct i40e_pf *pf = filp->private_data; 67 int bytes_not_copied; 68 int buf_size = 256; 69 char *buf; 70 int len; 71 72 /* don't allow partial reads */ 73 if (*ppos != 0) 74 return 0; 75 if (count < buf_size) 76 return -ENOSPC; 77 78 buf = kzalloc(buf_size, GFP_KERNEL); 79 if (!buf) 80 return -ENOSPC; 81 82 len = snprintf(buf, buf_size, "%s: %s\n", 83 pf->vsi[pf->lan_vsi]->netdev->name, 84 i40e_dbg_command_buf); 85 86 bytes_not_copied = copy_to_user(buffer, buf, len); 87 kfree(buf); 88 89 if (bytes_not_copied) 90 return -EFAULT; 91 92 *ppos = len; 93 return len; 94 } 95 96 static char *i40e_filter_state_string[] = { 97 "INVALID", 98 "NEW", 99 "ACTIVE", 100 "FAILED", 101 "REMOVE", 102 }; 103 104 /** 105 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 106 * @pf: the i40e_pf created in command write 107 * @seid: the seid the user put in 108 **/ 109 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 110 { 111 struct rtnl_link_stats64 *nstat; 112 struct i40e_mac_filter *f; 113 struct i40e_vsi *vsi; 114 int i, bkt; 115 116 vsi = i40e_dbg_find_vsi(pf, seid); 117 if (!vsi) { 118 dev_info(&pf->pdev->dev, 119 "dump %d: seid not found\n", seid); 120 return; 121 } 122 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 123 if (vsi->netdev) { 124 struct net_device *nd = vsi->netdev; 125 126 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 127 nd->name, nd->state, nd->flags); 128 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 129 (unsigned long int)nd->features); 130 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 131 (unsigned long int)nd->hw_features); 132 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 133 (unsigned long int)nd->vlan_features); 134 } 135 dev_info(&pf->pdev->dev, " active_vlans is %s\n", 136 vsi->active_vlans ? "<valid>" : "<null>"); 137 dev_info(&pf->pdev->dev, 138 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 139 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); 140 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) 141 dev_info(&pf->pdev->dev, 142 " state[%d] = %08lx\n", 143 i, vsi->state[i]); 144 if (vsi == pf->vsi[pf->lan_vsi]) 145 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n", 146 pf->hw.mac.addr, 147 pf->hw.mac.san_addr, 148 pf->hw.mac.port_addr); 149 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { 150 dev_info(&pf->pdev->dev, 151 " mac_filter_hash: %pM vid=%d, state %s\n", 152 f->macaddr, f->vlan, 153 i40e_filter_state_string[f->state]); 154 } 155 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n", 156 vsi->active_filters, vsi->promisc_threshold, 157 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ? 158 "ON" : "OFF")); 159 nstat = i40e_get_vsi_stats_struct(vsi); 160 dev_info(&pf->pdev->dev, 161 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 162 (unsigned long int)nstat->rx_packets, 163 (unsigned long int)nstat->rx_bytes, 164 (unsigned long int)nstat->rx_errors, 165 (unsigned long int)nstat->rx_dropped); 166 dev_info(&pf->pdev->dev, 167 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 168 (unsigned long int)nstat->tx_packets, 169 (unsigned long int)nstat->tx_bytes, 170 (unsigned long int)nstat->tx_errors, 171 (unsigned long int)nstat->tx_dropped); 172 dev_info(&pf->pdev->dev, 173 " net_stats: multicast = %lu, collisions = %lu\n", 174 (unsigned long int)nstat->multicast, 175 (unsigned long int)nstat->collisions); 176 dev_info(&pf->pdev->dev, 177 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 178 (unsigned long int)nstat->rx_length_errors, 179 (unsigned long int)nstat->rx_over_errors, 180 (unsigned long int)nstat->rx_crc_errors); 181 dev_info(&pf->pdev->dev, 182 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 183 (unsigned long int)nstat->rx_frame_errors, 184 (unsigned long int)nstat->rx_fifo_errors, 185 (unsigned long int)nstat->rx_missed_errors); 186 dev_info(&pf->pdev->dev, 187 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 188 (unsigned long int)nstat->tx_aborted_errors, 189 (unsigned long int)nstat->tx_carrier_errors, 190 (unsigned long int)nstat->tx_fifo_errors); 191 dev_info(&pf->pdev->dev, 192 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 193 (unsigned long int)nstat->tx_heartbeat_errors, 194 (unsigned long int)nstat->tx_window_errors); 195 dev_info(&pf->pdev->dev, 196 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 197 (unsigned long int)nstat->rx_compressed, 198 (unsigned long int)nstat->tx_compressed); 199 dev_info(&pf->pdev->dev, 200 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 201 (unsigned long int)vsi->net_stats_offsets.rx_packets, 202 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 203 (unsigned long int)vsi->net_stats_offsets.rx_errors, 204 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 205 dev_info(&pf->pdev->dev, 206 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 207 (unsigned long int)vsi->net_stats_offsets.tx_packets, 208 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 209 (unsigned long int)vsi->net_stats_offsets.tx_errors, 210 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 211 dev_info(&pf->pdev->dev, 212 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 213 (unsigned long int)vsi->net_stats_offsets.multicast, 214 (unsigned long int)vsi->net_stats_offsets.collisions); 215 dev_info(&pf->pdev->dev, 216 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 217 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 218 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 219 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 220 dev_info(&pf->pdev->dev, 221 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 222 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 223 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 224 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 225 dev_info(&pf->pdev->dev, 226 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 227 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 228 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 229 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 230 dev_info(&pf->pdev->dev, 231 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 232 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 233 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 234 dev_info(&pf->pdev->dev, 235 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 236 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 237 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 238 dev_info(&pf->pdev->dev, 239 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 240 vsi->tx_restart, vsi->tx_busy, 241 vsi->rx_buf_failed, vsi->rx_page_failed); 242 rcu_read_lock(); 243 for (i = 0; i < vsi->num_queue_pairs; i++) { 244 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); 245 246 if (!rx_ring) 247 continue; 248 249 dev_info(&pf->pdev->dev, 250 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 251 i, *rx_ring->state, 252 rx_ring->queue_index, 253 rx_ring->reg_idx); 254 dev_info(&pf->pdev->dev, 255 " rx_rings[%i]: rx_buf_len = %d\n", 256 i, rx_ring->rx_buf_len); 257 dev_info(&pf->pdev->dev, 258 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 259 i, 260 rx_ring->next_to_use, 261 rx_ring->next_to_clean, 262 rx_ring->ring_active); 263 dev_info(&pf->pdev->dev, 264 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 265 i, rx_ring->stats.packets, 266 rx_ring->stats.bytes, 267 rx_ring->rx_stats.non_eop_descs); 268 dev_info(&pf->pdev->dev, 269 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 270 i, 271 rx_ring->rx_stats.alloc_page_failed, 272 rx_ring->rx_stats.alloc_buff_failed); 273 dev_info(&pf->pdev->dev, 274 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n", 275 i, 276 rx_ring->rx_stats.realloc_count, 277 rx_ring->rx_stats.page_reuse_count); 278 dev_info(&pf->pdev->dev, 279 " rx_rings[%i]: size = %i\n", 280 i, rx_ring->size); 281 dev_info(&pf->pdev->dev, 282 " rx_rings[%i]: itr_setting = %d (%s)\n", 283 i, rx_ring->itr_setting, 284 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed"); 285 } 286 for (i = 0; i < vsi->num_queue_pairs; i++) { 287 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); 288 289 if (!tx_ring) 290 continue; 291 292 dev_info(&pf->pdev->dev, 293 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 294 i, *tx_ring->state, 295 tx_ring->queue_index, 296 tx_ring->reg_idx); 297 dev_info(&pf->pdev->dev, 298 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 299 i, 300 tx_ring->next_to_use, 301 tx_ring->next_to_clean, 302 tx_ring->ring_active); 303 dev_info(&pf->pdev->dev, 304 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 305 i, tx_ring->stats.packets, 306 tx_ring->stats.bytes, 307 tx_ring->tx_stats.restart_queue); 308 dev_info(&pf->pdev->dev, 309 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 310 i, 311 tx_ring->tx_stats.tx_busy, 312 tx_ring->tx_stats.tx_done_old); 313 dev_info(&pf->pdev->dev, 314 " tx_rings[%i]: size = %i\n", 315 i, tx_ring->size); 316 dev_info(&pf->pdev->dev, 317 " tx_rings[%i]: DCB tc = %d\n", 318 i, tx_ring->dcb_tc); 319 dev_info(&pf->pdev->dev, 320 " tx_rings[%i]: itr_setting = %d (%s)\n", 321 i, tx_ring->itr_setting, 322 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed"); 323 } 324 rcu_read_unlock(); 325 dev_info(&pf->pdev->dev, 326 " work_limit = %d\n", 327 vsi->work_limit); 328 dev_info(&pf->pdev->dev, 329 " max_frame = %d, rx_buf_len = %d dtype = %d\n", 330 vsi->max_frame, vsi->rx_buf_len, 0); 331 dev_info(&pf->pdev->dev, 332 " num_q_vectors = %i, base_vector = %i\n", 333 vsi->num_q_vectors, vsi->base_vector); 334 dev_info(&pf->pdev->dev, 335 " seid = %d, id = %d, uplink_seid = %d\n", 336 vsi->seid, vsi->id, vsi->uplink_seid); 337 dev_info(&pf->pdev->dev, 338 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n", 339 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc); 340 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 341 if (vsi->type == I40E_VSI_SRIOV) 342 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id); 343 dev_info(&pf->pdev->dev, 344 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 345 vsi->info.valid_sections, vsi->info.switch_id); 346 dev_info(&pf->pdev->dev, 347 " info: sw_reserved[] = 0x%02x 0x%02x\n", 348 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 349 dev_info(&pf->pdev->dev, 350 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 351 vsi->info.sec_flags, vsi->info.sec_reserved); 352 dev_info(&pf->pdev->dev, 353 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 354 vsi->info.pvid, vsi->info.fcoe_pvid, 355 vsi->info.port_vlan_flags); 356 dev_info(&pf->pdev->dev, 357 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 358 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 359 vsi->info.pvlan_reserved[2]); 360 dev_info(&pf->pdev->dev, 361 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 362 vsi->info.ingress_table, vsi->info.egress_table); 363 dev_info(&pf->pdev->dev, 364 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 365 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 366 vsi->info.cas_pv_reserved); 367 dev_info(&pf->pdev->dev, 368 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 369 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 370 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 371 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 372 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 373 dev_info(&pf->pdev->dev, 374 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 375 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 376 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 377 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 378 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 379 dev_info(&pf->pdev->dev, 380 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 381 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 382 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 383 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 384 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 385 dev_info(&pf->pdev->dev, 386 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 387 vsi->info.queueing_opt_flags, 388 vsi->info.queueing_opt_reserved[0], 389 vsi->info.queueing_opt_reserved[1], 390 vsi->info.queueing_opt_reserved[2]); 391 dev_info(&pf->pdev->dev, 392 " info: up_enable_bits = 0x%02x\n", 393 vsi->info.up_enable_bits); 394 dev_info(&pf->pdev->dev, 395 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 396 vsi->info.sched_reserved, vsi->info.outer_up_table); 397 dev_info(&pf->pdev->dev, 398 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 399 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 400 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 401 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 402 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 403 dev_info(&pf->pdev->dev, 404 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 405 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 406 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 407 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 408 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 409 dev_info(&pf->pdev->dev, 410 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 411 vsi->info.stat_counter_idx, vsi->info.sched_id); 412 dev_info(&pf->pdev->dev, 413 " 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", 414 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 415 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 416 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 417 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 418 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 419 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 420 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 421 dev_info(&pf->pdev->dev, 422 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 423 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 424 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 425 dev_info(&pf->pdev->dev, 426 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 427 i, vsi->tc_config.tc_info[i].qoffset, 428 vsi->tc_config.tc_info[i].qcount, 429 vsi->tc_config.tc_info[i].netdev_tc); 430 } 431 dev_info(&pf->pdev->dev, 432 " bw: bw_limit = %d, bw_max_quanta = %d\n", 433 vsi->bw_limit, vsi->bw_max_quanta); 434 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 435 dev_info(&pf->pdev->dev, 436 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 437 i, vsi->bw_ets_share_credits[i], 438 vsi->bw_ets_limit_credits[i], 439 vsi->bw_ets_max_quanta[i]); 440 } 441 } 442 443 /** 444 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 445 * @pf: the i40e_pf created in command write 446 **/ 447 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 448 { 449 struct i40e_adminq_ring *ring; 450 struct i40e_hw *hw = &pf->hw; 451 char hdr[32]; 452 int i; 453 454 snprintf(hdr, sizeof(hdr), "%s %s: ", 455 dev_driver_string(&pf->pdev->dev), 456 dev_name(&pf->pdev->dev)); 457 458 /* first the send (command) ring, then the receive (event) ring */ 459 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 460 ring = &(hw->aq.asq); 461 for (i = 0; i < ring->count; i++) { 462 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 463 464 dev_info(&pf->pdev->dev, 465 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 466 i, d->flags, d->opcode, d->datalen, d->retval, 467 d->cookie_high, d->cookie_low); 468 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 469 16, 1, d->params.raw, 16, 0); 470 } 471 472 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 473 ring = &(hw->aq.arq); 474 for (i = 0; i < ring->count; i++) { 475 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 476 477 dev_info(&pf->pdev->dev, 478 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 479 i, d->flags, d->opcode, d->datalen, d->retval, 480 d->cookie_high, d->cookie_low); 481 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 482 16, 1, d->params.raw, 16, 0); 483 } 484 } 485 486 /** 487 * i40e_dbg_dump_desc - handles dump desc write into command datum 488 * @cnt: number of arguments that the user supplied 489 * @vsi_seid: vsi id entered by user 490 * @ring_id: ring id entered by user 491 * @desc_n: descriptor number entered by user 492 * @pf: the i40e_pf created in command write 493 * @is_rx_ring: true if rx, false if tx 494 **/ 495 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 496 struct i40e_pf *pf, bool is_rx_ring) 497 { 498 struct i40e_tx_desc *txd; 499 union i40e_rx_desc *rxd; 500 struct i40e_ring *ring; 501 struct i40e_vsi *vsi; 502 int i; 503 504 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 505 if (!vsi) { 506 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 507 return; 508 } 509 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 510 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 511 return; 512 } 513 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 514 dev_info(&pf->pdev->dev, 515 "descriptor rings have not been allocated for vsi %d\n", 516 vsi_seid); 517 return; 518 } 519 520 ring = kmemdup(is_rx_ring 521 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], 522 sizeof(*ring), GFP_KERNEL); 523 if (!ring) 524 return; 525 526 if (cnt == 2) { 527 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 528 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 529 for (i = 0; i < ring->count; i++) { 530 if (!is_rx_ring) { 531 txd = I40E_TX_DESC(ring, i); 532 dev_info(&pf->pdev->dev, 533 " d[%03x] = 0x%016llx 0x%016llx\n", 534 i, txd->buffer_addr, 535 txd->cmd_type_offset_bsz); 536 } else { 537 rxd = I40E_RX_DESC(ring, i); 538 dev_info(&pf->pdev->dev, 539 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 540 i, rxd->read.pkt_addr, 541 rxd->read.hdr_addr, 542 rxd->read.rsvd1, rxd->read.rsvd2); 543 } 544 } 545 } else if (cnt == 3) { 546 if (desc_n >= ring->count || desc_n < 0) { 547 dev_info(&pf->pdev->dev, 548 "descriptor %d not found\n", desc_n); 549 goto out; 550 } 551 if (!is_rx_ring) { 552 txd = I40E_TX_DESC(ring, desc_n); 553 dev_info(&pf->pdev->dev, 554 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 555 vsi_seid, ring_id, desc_n, 556 txd->buffer_addr, txd->cmd_type_offset_bsz); 557 } else { 558 rxd = I40E_RX_DESC(ring, desc_n); 559 dev_info(&pf->pdev->dev, 560 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 561 vsi_seid, ring_id, desc_n, 562 rxd->read.pkt_addr, rxd->read.hdr_addr, 563 rxd->read.rsvd1, rxd->read.rsvd2); 564 } 565 } else { 566 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); 567 } 568 569 out: 570 kfree(ring); 571 } 572 573 /** 574 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 575 * @pf: the i40e_pf created in command write 576 **/ 577 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 578 { 579 int i; 580 581 for (i = 0; i < pf->num_alloc_vsi; i++) 582 if (pf->vsi[i]) 583 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 584 i, pf->vsi[i]->seid); 585 } 586 587 /** 588 * i40e_dbg_dump_stats - handles dump stats write into command datum 589 * @pf: the i40e_pf created in command write 590 * @estats: the eth stats structure to be dumped 591 **/ 592 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 593 struct i40e_eth_stats *estats) 594 { 595 dev_info(&pf->pdev->dev, " ethstats:\n"); 596 dev_info(&pf->pdev->dev, 597 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 598 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 599 dev_info(&pf->pdev->dev, 600 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 601 estats->rx_broadcast, estats->rx_discards); 602 dev_info(&pf->pdev->dev, 603 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 604 estats->rx_unknown_protocol, estats->tx_bytes); 605 dev_info(&pf->pdev->dev, 606 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 607 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 608 dev_info(&pf->pdev->dev, 609 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 610 estats->tx_discards, estats->tx_errors); 611 } 612 613 /** 614 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 615 * @pf: the i40e_pf created in command write 616 * @seid: the seid the user put in 617 **/ 618 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 619 { 620 struct i40e_veb *veb; 621 622 veb = i40e_dbg_find_veb(pf, seid); 623 if (!veb) { 624 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 625 return; 626 } 627 dev_info(&pf->pdev->dev, 628 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 629 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 630 veb->uplink_seid, 631 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 632 i40e_dbg_dump_eth_stats(pf, &veb->stats); 633 } 634 635 /** 636 * i40e_dbg_dump_veb_all - dumps all known veb's stats 637 * @pf: the i40e_pf created in command write 638 **/ 639 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 640 { 641 struct i40e_veb *veb; 642 int i; 643 644 for (i = 0; i < I40E_MAX_VEB; i++) { 645 veb = pf->veb[i]; 646 if (veb) 647 i40e_dbg_dump_veb_seid(pf, veb->seid); 648 } 649 } 650 651 /** 652 * i40e_dbg_dump_vf - dump VF info 653 * @pf: the i40e_pf created in command write 654 * @vf_id: the vf_id from the user 655 **/ 656 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 657 { 658 struct i40e_vf *vf; 659 struct i40e_vsi *vsi; 660 661 if (!pf->num_alloc_vfs) { 662 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 663 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 664 vf = &pf->vf[vf_id]; 665 vsi = pf->vsi[vf->lan_vsi_idx]; 666 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 667 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 668 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n", 669 vf->num_mdd_events, 670 vf->num_invalid_msgs, 671 vf->num_valid_msgs); 672 } else { 673 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 674 } 675 } 676 677 /** 678 * i40e_dbg_dump_vf_all - dump VF info for all VFs 679 * @pf: the i40e_pf created in command write 680 **/ 681 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 682 { 683 int i; 684 685 if (!pf->num_alloc_vfs) 686 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 687 else 688 for (i = 0; i < pf->num_alloc_vfs; i++) 689 i40e_dbg_dump_vf(pf, i); 690 } 691 692 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 693 /** 694 * i40e_dbg_command_write - write into command datum 695 * @filp: the opened file 696 * @buffer: where to find the user's data 697 * @count: the length of the user's data 698 * @ppos: file position offset 699 **/ 700 static ssize_t i40e_dbg_command_write(struct file *filp, 701 const char __user *buffer, 702 size_t count, loff_t *ppos) 703 { 704 struct i40e_pf *pf = filp->private_data; 705 char *cmd_buf, *cmd_buf_tmp; 706 int bytes_not_copied; 707 struct i40e_vsi *vsi; 708 int vsi_seid; 709 int veb_seid; 710 int vf_id; 711 int cnt; 712 713 /* don't allow partial writes */ 714 if (*ppos != 0) 715 return 0; 716 717 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 718 if (!cmd_buf) 719 return count; 720 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 721 if (bytes_not_copied) { 722 kfree(cmd_buf); 723 return -EFAULT; 724 } 725 cmd_buf[count] = '\0'; 726 727 cmd_buf_tmp = strchr(cmd_buf, '\n'); 728 if (cmd_buf_tmp) { 729 *cmd_buf_tmp = '\0'; 730 count = cmd_buf_tmp - cmd_buf + 1; 731 } 732 733 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 734 vsi_seid = -1; 735 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 736 if (cnt == 0) { 737 /* default to PF VSI */ 738 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 739 } else if (vsi_seid < 0) { 740 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 741 vsi_seid); 742 goto command_write_done; 743 } 744 745 /* By default we are in VEPA mode, if this is the first VF/VMDq 746 * VSI to be added switch to VEB mode. 747 */ 748 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 749 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 750 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 751 } 752 753 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 754 if (vsi) 755 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 756 vsi->seid, vsi->uplink_seid); 757 else 758 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 759 760 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 761 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 762 if (cnt != 1) { 763 dev_info(&pf->pdev->dev, 764 "del vsi: bad command string, cnt=%d\n", 765 cnt); 766 goto command_write_done; 767 } 768 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 769 if (!vsi) { 770 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 771 vsi_seid); 772 goto command_write_done; 773 } 774 775 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 776 i40e_vsi_release(vsi); 777 778 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 779 struct i40e_veb *veb; 780 int uplink_seid, i; 781 782 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 783 if (cnt != 2) { 784 dev_info(&pf->pdev->dev, 785 "add relay: bad command string, cnt=%d\n", 786 cnt); 787 goto command_write_done; 788 } else if (uplink_seid < 0) { 789 dev_info(&pf->pdev->dev, 790 "add relay %d: bad uplink seid\n", 791 uplink_seid); 792 goto command_write_done; 793 } 794 795 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 796 if (!vsi) { 797 dev_info(&pf->pdev->dev, 798 "add relay: VSI %d not found\n", vsi_seid); 799 goto command_write_done; 800 } 801 802 for (i = 0; i < I40E_MAX_VEB; i++) 803 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 804 break; 805 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 806 uplink_seid != pf->mac_seid) { 807 dev_info(&pf->pdev->dev, 808 "add relay: relay uplink %d not found\n", 809 uplink_seid); 810 goto command_write_done; 811 } 812 813 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 814 vsi->tc_config.enabled_tc); 815 if (veb) 816 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 817 else 818 dev_info(&pf->pdev->dev, "add relay failed\n"); 819 820 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 821 int i; 822 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 823 if (cnt != 1) { 824 dev_info(&pf->pdev->dev, 825 "del relay: bad command string, cnt=%d\n", 826 cnt); 827 goto command_write_done; 828 } else if (veb_seid < 0) { 829 dev_info(&pf->pdev->dev, 830 "del relay %d: bad relay seid\n", veb_seid); 831 goto command_write_done; 832 } 833 834 /* find the veb */ 835 for (i = 0; i < I40E_MAX_VEB; i++) 836 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 837 break; 838 if (i >= I40E_MAX_VEB) { 839 dev_info(&pf->pdev->dev, 840 "del relay: relay %d not found\n", veb_seid); 841 goto command_write_done; 842 } 843 844 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 845 i40e_veb_release(pf->veb[i]); 846 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 847 i40e_status ret; 848 u16 vid; 849 unsigned int v; 850 851 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 852 if (cnt != 2) { 853 dev_info(&pf->pdev->dev, 854 "add pvid: bad command string, cnt=%d\n", cnt); 855 goto command_write_done; 856 } 857 858 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 859 if (!vsi) { 860 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 861 vsi_seid); 862 goto command_write_done; 863 } 864 865 vid = v; 866 ret = i40e_vsi_add_pvid(vsi, vid); 867 if (!ret) 868 dev_info(&pf->pdev->dev, 869 "add pvid: %d added to VSI %d\n", 870 vid, vsi_seid); 871 else 872 dev_info(&pf->pdev->dev, 873 "add pvid: %d to VSI %d failed, ret=%d\n", 874 vid, vsi_seid, ret); 875 876 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 877 878 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 879 if (cnt != 1) { 880 dev_info(&pf->pdev->dev, 881 "del pvid: bad command string, cnt=%d\n", 882 cnt); 883 goto command_write_done; 884 } 885 886 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 887 if (!vsi) { 888 dev_info(&pf->pdev->dev, 889 "del pvid: VSI %d not found\n", vsi_seid); 890 goto command_write_done; 891 } 892 893 i40e_vsi_remove_pvid(vsi); 894 dev_info(&pf->pdev->dev, 895 "del pvid: removed from VSI %d\n", vsi_seid); 896 897 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 898 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 899 i40e_fetch_switch_configuration(pf, true); 900 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 901 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 902 if (cnt > 0) 903 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 904 else 905 i40e_dbg_dump_vsi_no_seid(pf); 906 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 907 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 908 if (cnt > 0) 909 i40e_dbg_dump_veb_seid(pf, vsi_seid); 910 else 911 i40e_dbg_dump_veb_all(pf); 912 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 913 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 914 if (cnt > 0) 915 i40e_dbg_dump_vf(pf, vf_id); 916 else 917 i40e_dbg_dump_vf_all(pf); 918 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 919 int ring_id, desc_n; 920 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 921 cnt = sscanf(&cmd_buf[12], "%i %i %i", 922 &vsi_seid, &ring_id, &desc_n); 923 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 924 desc_n, pf, true); 925 } else if (strncmp(&cmd_buf[10], "tx", 2) 926 == 0) { 927 cnt = sscanf(&cmd_buf[12], "%i %i %i", 928 &vsi_seid, &ring_id, &desc_n); 929 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 930 desc_n, pf, false); 931 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 932 i40e_dbg_dump_aq_desc(pf); 933 } else { 934 dev_info(&pf->pdev->dev, 935 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 936 dev_info(&pf->pdev->dev, 937 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 938 dev_info(&pf->pdev->dev, "dump desc aq\n"); 939 } 940 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 941 dev_info(&pf->pdev->dev, 942 "core reset count: %d\n", pf->corer_count); 943 dev_info(&pf->pdev->dev, 944 "global reset count: %d\n", pf->globr_count); 945 dev_info(&pf->pdev->dev, 946 "emp reset count: %d\n", pf->empr_count); 947 dev_info(&pf->pdev->dev, 948 "pf reset count: %d\n", pf->pfr_count); 949 dev_info(&pf->pdev->dev, 950 "pf tx sluggish count: %d\n", 951 pf->tx_sluggish_count); 952 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 953 struct i40e_aqc_query_port_ets_config_resp *bw_data; 954 struct i40e_dcbx_config *cfg = 955 &pf->hw.local_dcbx_config; 956 struct i40e_dcbx_config *r_cfg = 957 &pf->hw.remote_dcbx_config; 958 int i, ret; 959 u16 switch_id; 960 961 bw_data = kzalloc(sizeof( 962 struct i40e_aqc_query_port_ets_config_resp), 963 GFP_KERNEL); 964 if (!bw_data) { 965 ret = -ENOMEM; 966 goto command_write_done; 967 } 968 969 vsi = pf->vsi[pf->lan_vsi]; 970 switch_id = 971 le16_to_cpu(vsi->info.switch_id) & 972 I40E_AQ_VSI_SW_ID_MASK; 973 974 ret = i40e_aq_query_port_ets_config(&pf->hw, 975 switch_id, 976 bw_data, NULL); 977 if (ret) { 978 dev_info(&pf->pdev->dev, 979 "Query Port ETS Config AQ command failed =0x%x\n", 980 pf->hw.aq.asq_last_status); 981 kfree(bw_data); 982 bw_data = NULL; 983 goto command_write_done; 984 } 985 dev_info(&pf->pdev->dev, 986 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 987 bw_data->tc_valid_bits, 988 bw_data->tc_strict_priority_bits, 989 le16_to_cpu(bw_data->tc_bw_max[0]), 990 le16_to_cpu(bw_data->tc_bw_max[1])); 991 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 992 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 993 bw_data->tc_bw_share_credits[i], 994 le16_to_cpu(bw_data->tc_bw_limits[i])); 995 } 996 997 kfree(bw_data); 998 bw_data = NULL; 999 1000 dev_info(&pf->pdev->dev, 1001 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1002 dev_info(&pf->pdev->dev, 1003 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1004 cfg->etscfg.willing, cfg->etscfg.cbs, 1005 cfg->etscfg.maxtcs); 1006 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1007 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1008 i, cfg->etscfg.prioritytable[i], 1009 cfg->etscfg.tcbwtable[i], 1010 cfg->etscfg.tsatable[i]); 1011 } 1012 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1013 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1014 i, cfg->etsrec.prioritytable[i], 1015 cfg->etsrec.tcbwtable[i], 1016 cfg->etsrec.tsatable[i]); 1017 } 1018 dev_info(&pf->pdev->dev, 1019 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1020 cfg->pfc.willing, cfg->pfc.mbc, 1021 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1022 dev_info(&pf->pdev->dev, 1023 "port app_table: num_apps=%d\n", cfg->numapps); 1024 for (i = 0; i < cfg->numapps; i++) { 1025 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1026 i, cfg->app[i].priority, 1027 cfg->app[i].selector, 1028 cfg->app[i].protocolid); 1029 } 1030 /* Peer TLV DCBX data */ 1031 dev_info(&pf->pdev->dev, 1032 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1033 r_cfg->etscfg.willing, 1034 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1035 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1036 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1037 i, r_cfg->etscfg.prioritytable[i], 1038 r_cfg->etscfg.tcbwtable[i], 1039 r_cfg->etscfg.tsatable[i]); 1040 } 1041 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1042 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1043 i, r_cfg->etsrec.prioritytable[i], 1044 r_cfg->etsrec.tcbwtable[i], 1045 r_cfg->etsrec.tsatable[i]); 1046 } 1047 dev_info(&pf->pdev->dev, 1048 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1049 r_cfg->pfc.willing, 1050 r_cfg->pfc.mbc, 1051 r_cfg->pfc.pfccap, 1052 r_cfg->pfc.pfcenable); 1053 dev_info(&pf->pdev->dev, 1054 "remote port app_table: num_apps=%d\n", 1055 r_cfg->numapps); 1056 for (i = 0; i < r_cfg->numapps; i++) { 1057 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1058 i, r_cfg->app[i].priority, 1059 r_cfg->app[i].selector, 1060 r_cfg->app[i].protocolid); 1061 } 1062 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1063 int cluster_id, table_id; 1064 int index, ret; 1065 u16 buff_len = 4096; 1066 u32 next_index; 1067 u8 next_table; 1068 u8 *buff; 1069 u16 rlen; 1070 1071 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1072 &cluster_id, &table_id, &index); 1073 if (cnt != 3) { 1074 dev_info(&pf->pdev->dev, 1075 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1076 goto command_write_done; 1077 } 1078 1079 dev_info(&pf->pdev->dev, 1080 "AQ debug dump fwdata params %x %x %x %x\n", 1081 cluster_id, table_id, index, buff_len); 1082 buff = kzalloc(buff_len, GFP_KERNEL); 1083 if (!buff) 1084 goto command_write_done; 1085 1086 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1087 index, buff_len, buff, &rlen, 1088 &next_table, &next_index, 1089 NULL); 1090 if (ret) { 1091 dev_info(&pf->pdev->dev, 1092 "debug dump fwdata AQ Failed %d 0x%x\n", 1093 ret, pf->hw.aq.asq_last_status); 1094 kfree(buff); 1095 buff = NULL; 1096 goto command_write_done; 1097 } 1098 dev_info(&pf->pdev->dev, 1099 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1100 rlen, next_table, next_index); 1101 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1102 DUMP_PREFIX_OFFSET, 16, 1, 1103 buff, rlen, true); 1104 kfree(buff); 1105 buff = NULL; 1106 } else { 1107 dev_info(&pf->pdev->dev, 1108 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1109 dev_info(&pf->pdev->dev, "dump switch\n"); 1110 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1111 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1112 dev_info(&pf->pdev->dev, "dump port\n"); 1113 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1114 dev_info(&pf->pdev->dev, 1115 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1116 } 1117 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1118 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1119 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1120 1121 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1122 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1123 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1124 1125 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1126 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1127 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1128 1129 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1130 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1131 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1132 1133 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1134 u32 address; 1135 u32 value; 1136 1137 cnt = sscanf(&cmd_buf[4], "%i", &address); 1138 if (cnt != 1) { 1139 dev_info(&pf->pdev->dev, "read <reg>\n"); 1140 goto command_write_done; 1141 } 1142 1143 /* check the range on address */ 1144 if (address > (pf->ioremap_len - sizeof(u32))) { 1145 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1146 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1147 goto command_write_done; 1148 } 1149 1150 value = rd32(&pf->hw, address); 1151 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1152 address, value); 1153 1154 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1155 u32 address, value; 1156 1157 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1158 if (cnt != 2) { 1159 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1160 goto command_write_done; 1161 } 1162 1163 /* check the range on address */ 1164 if (address > (pf->ioremap_len - sizeof(u32))) { 1165 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1166 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1167 goto command_write_done; 1168 } 1169 wr32(&pf->hw, address, value); 1170 value = rd32(&pf->hw, address); 1171 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1172 address, value); 1173 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1174 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1175 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1176 if (cnt == 0) { 1177 int i; 1178 1179 for (i = 0; i < pf->num_alloc_vsi; i++) 1180 i40e_vsi_reset_stats(pf->vsi[i]); 1181 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1182 } else if (cnt == 1) { 1183 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1184 if (!vsi) { 1185 dev_info(&pf->pdev->dev, 1186 "clear_stats vsi: bad vsi %d\n", 1187 vsi_seid); 1188 goto command_write_done; 1189 } 1190 i40e_vsi_reset_stats(vsi); 1191 dev_info(&pf->pdev->dev, 1192 "vsi clear stats called for vsi %d\n", 1193 vsi_seid); 1194 } else { 1195 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1196 } 1197 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1198 if (pf->hw.partition_id == 1) { 1199 i40e_pf_reset_stats(pf); 1200 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1201 } else { 1202 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1203 } 1204 } else { 1205 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1206 } 1207 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1208 struct i40e_aq_desc *desc; 1209 i40e_status ret; 1210 1211 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1212 if (!desc) 1213 goto command_write_done; 1214 cnt = sscanf(&cmd_buf[11], 1215 "%hi %hi %hi %hi %i %i %i %i %i %i", 1216 &desc->flags, 1217 &desc->opcode, &desc->datalen, &desc->retval, 1218 &desc->cookie_high, &desc->cookie_low, 1219 &desc->params.internal.param0, 1220 &desc->params.internal.param1, 1221 &desc->params.internal.param2, 1222 &desc->params.internal.param3); 1223 if (cnt != 10) { 1224 dev_info(&pf->pdev->dev, 1225 "send aq_cmd: bad command string, cnt=%d\n", 1226 cnt); 1227 kfree(desc); 1228 desc = NULL; 1229 goto command_write_done; 1230 } 1231 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1232 if (!ret) { 1233 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1234 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1235 dev_info(&pf->pdev->dev, 1236 "AQ command send failed Opcode %x AQ Error: %d\n", 1237 desc->opcode, pf->hw.aq.asq_last_status); 1238 } else { 1239 dev_info(&pf->pdev->dev, 1240 "AQ command send failed Opcode %x Status: %d\n", 1241 desc->opcode, ret); 1242 } 1243 dev_info(&pf->pdev->dev, 1244 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1245 desc->flags, desc->opcode, desc->datalen, desc->retval, 1246 desc->cookie_high, desc->cookie_low, 1247 desc->params.internal.param0, 1248 desc->params.internal.param1, 1249 desc->params.internal.param2, 1250 desc->params.internal.param3); 1251 kfree(desc); 1252 desc = NULL; 1253 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1254 struct i40e_aq_desc *desc; 1255 i40e_status ret; 1256 u16 buffer_len; 1257 u8 *buff; 1258 1259 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1260 if (!desc) 1261 goto command_write_done; 1262 cnt = sscanf(&cmd_buf[20], 1263 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1264 &desc->flags, 1265 &desc->opcode, &desc->datalen, &desc->retval, 1266 &desc->cookie_high, &desc->cookie_low, 1267 &desc->params.internal.param0, 1268 &desc->params.internal.param1, 1269 &desc->params.internal.param2, 1270 &desc->params.internal.param3, 1271 &buffer_len); 1272 if (cnt != 11) { 1273 dev_info(&pf->pdev->dev, 1274 "send indirect aq_cmd: bad command string, cnt=%d\n", 1275 cnt); 1276 kfree(desc); 1277 desc = NULL; 1278 goto command_write_done; 1279 } 1280 /* Just stub a buffer big enough in case user messed up */ 1281 if (buffer_len == 0) 1282 buffer_len = 1280; 1283 1284 buff = kzalloc(buffer_len, GFP_KERNEL); 1285 if (!buff) { 1286 kfree(desc); 1287 desc = NULL; 1288 goto command_write_done; 1289 } 1290 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1291 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1292 buffer_len, NULL); 1293 if (!ret) { 1294 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1295 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1296 dev_info(&pf->pdev->dev, 1297 "AQ command send failed Opcode %x AQ Error: %d\n", 1298 desc->opcode, pf->hw.aq.asq_last_status); 1299 } else { 1300 dev_info(&pf->pdev->dev, 1301 "AQ command send failed Opcode %x Status: %d\n", 1302 desc->opcode, ret); 1303 } 1304 dev_info(&pf->pdev->dev, 1305 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1306 desc->flags, desc->opcode, desc->datalen, desc->retval, 1307 desc->cookie_high, desc->cookie_low, 1308 desc->params.internal.param0, 1309 desc->params.internal.param1, 1310 desc->params.internal.param2, 1311 desc->params.internal.param3); 1312 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1313 DUMP_PREFIX_OFFSET, 16, 1, 1314 buff, buffer_len, true); 1315 kfree(buff); 1316 buff = NULL; 1317 kfree(desc); 1318 desc = NULL; 1319 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1320 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1321 i40e_get_current_fd_count(pf)); 1322 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1323 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1324 int ret; 1325 1326 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1327 if (ret) { 1328 dev_info(&pf->pdev->dev, 1329 "Stop LLDP AQ command failed =0x%x\n", 1330 pf->hw.aq.asq_last_status); 1331 goto command_write_done; 1332 } 1333 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1334 pf->hw.mac.addr, 1335 I40E_ETH_P_LLDP, 0, 1336 pf->vsi[pf->lan_vsi]->seid, 1337 0, true, NULL, NULL); 1338 if (ret) { 1339 dev_info(&pf->pdev->dev, 1340 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1341 __func__, pf->hw.aq.asq_last_status); 1342 goto command_write_done; 1343 } 1344 #ifdef CONFIG_I40E_DCB 1345 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1346 DCB_CAP_DCBX_VER_IEEE; 1347 #endif /* CONFIG_I40E_DCB */ 1348 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1349 int ret; 1350 1351 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1352 pf->hw.mac.addr, 1353 I40E_ETH_P_LLDP, 0, 1354 pf->vsi[pf->lan_vsi]->seid, 1355 0, false, NULL, NULL); 1356 if (ret) { 1357 dev_info(&pf->pdev->dev, 1358 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1359 __func__, pf->hw.aq.asq_last_status); 1360 /* Continue and start FW LLDP anyways */ 1361 } 1362 1363 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1364 if (ret) { 1365 dev_info(&pf->pdev->dev, 1366 "Start LLDP AQ command failed =0x%x\n", 1367 pf->hw.aq.asq_last_status); 1368 goto command_write_done; 1369 } 1370 #ifdef CONFIG_I40E_DCB 1371 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1372 DCB_CAP_DCBX_VER_IEEE; 1373 #endif /* CONFIG_I40E_DCB */ 1374 } else if (strncmp(&cmd_buf[5], 1375 "get local", 9) == 0) { 1376 u16 llen, rlen; 1377 int ret; 1378 u8 *buff; 1379 1380 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1381 if (!buff) 1382 goto command_write_done; 1383 1384 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1385 I40E_AQ_LLDP_MIB_LOCAL, 1386 buff, I40E_LLDPDU_SIZE, 1387 &llen, &rlen, NULL); 1388 if (ret) { 1389 dev_info(&pf->pdev->dev, 1390 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1391 pf->hw.aq.asq_last_status); 1392 kfree(buff); 1393 buff = NULL; 1394 goto command_write_done; 1395 } 1396 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1397 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1398 DUMP_PREFIX_OFFSET, 16, 1, 1399 buff, I40E_LLDPDU_SIZE, true); 1400 kfree(buff); 1401 buff = NULL; 1402 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1403 u16 llen, rlen; 1404 int ret; 1405 u8 *buff; 1406 1407 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1408 if (!buff) 1409 goto command_write_done; 1410 1411 ret = i40e_aq_get_lldp_mib(&pf->hw, 1412 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1413 I40E_AQ_LLDP_MIB_REMOTE, 1414 buff, I40E_LLDPDU_SIZE, 1415 &llen, &rlen, NULL); 1416 if (ret) { 1417 dev_info(&pf->pdev->dev, 1418 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1419 pf->hw.aq.asq_last_status); 1420 kfree(buff); 1421 buff = NULL; 1422 goto command_write_done; 1423 } 1424 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1425 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1426 DUMP_PREFIX_OFFSET, 16, 1, 1427 buff, I40E_LLDPDU_SIZE, true); 1428 kfree(buff); 1429 buff = NULL; 1430 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1431 int ret; 1432 1433 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1434 true, NULL); 1435 if (ret) { 1436 dev_info(&pf->pdev->dev, 1437 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1438 pf->hw.aq.asq_last_status); 1439 goto command_write_done; 1440 } 1441 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1442 int ret; 1443 1444 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1445 false, NULL); 1446 if (ret) { 1447 dev_info(&pf->pdev->dev, 1448 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1449 pf->hw.aq.asq_last_status); 1450 goto command_write_done; 1451 } 1452 } 1453 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1454 u16 buffer_len, bytes; 1455 u16 module; 1456 u32 offset; 1457 u16 *buff; 1458 int ret; 1459 1460 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1461 &module, &offset, &buffer_len); 1462 if (cnt == 0) { 1463 module = 0; 1464 offset = 0; 1465 buffer_len = 0; 1466 } else if (cnt == 1) { 1467 offset = 0; 1468 buffer_len = 0; 1469 } else if (cnt == 2) { 1470 buffer_len = 0; 1471 } else if (cnt > 3) { 1472 dev_info(&pf->pdev->dev, 1473 "nvm read: bad command string, cnt=%d\n", cnt); 1474 goto command_write_done; 1475 } 1476 1477 /* set the max length */ 1478 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1479 1480 bytes = 2 * buffer_len; 1481 1482 /* read at least 1k bytes, no more than 4kB */ 1483 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1484 buff = kzalloc(bytes, GFP_KERNEL); 1485 if (!buff) 1486 goto command_write_done; 1487 1488 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1489 if (ret) { 1490 dev_info(&pf->pdev->dev, 1491 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1492 ret, pf->hw.aq.asq_last_status); 1493 kfree(buff); 1494 goto command_write_done; 1495 } 1496 1497 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1498 bytes, (u8 *)buff, true, NULL); 1499 i40e_release_nvm(&pf->hw); 1500 if (ret) { 1501 dev_info(&pf->pdev->dev, 1502 "Read NVM AQ failed err=%d status=0x%x\n", 1503 ret, pf->hw.aq.asq_last_status); 1504 } else { 1505 dev_info(&pf->pdev->dev, 1506 "Read NVM module=0x%x offset=0x%x words=%d\n", 1507 module, offset, buffer_len); 1508 if (bytes) 1509 print_hex_dump(KERN_INFO, "NVM Dump: ", 1510 DUMP_PREFIX_OFFSET, 16, 2, 1511 buff, bytes, true); 1512 } 1513 kfree(buff); 1514 buff = NULL; 1515 } else { 1516 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1517 dev_info(&pf->pdev->dev, "available commands\n"); 1518 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1519 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1520 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1521 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1522 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1523 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1524 dev_info(&pf->pdev->dev, " dump switch\n"); 1525 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1526 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1527 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1528 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1529 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1530 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1531 dev_info(&pf->pdev->dev, " read <reg>\n"); 1532 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1533 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1534 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1535 dev_info(&pf->pdev->dev, " pfr\n"); 1536 dev_info(&pf->pdev->dev, " corer\n"); 1537 dev_info(&pf->pdev->dev, " globr\n"); 1538 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1539 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1540 dev_info(&pf->pdev->dev, " fd current cnt"); 1541 dev_info(&pf->pdev->dev, " lldp start\n"); 1542 dev_info(&pf->pdev->dev, " lldp stop\n"); 1543 dev_info(&pf->pdev->dev, " lldp get local\n"); 1544 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1545 dev_info(&pf->pdev->dev, " lldp event on\n"); 1546 dev_info(&pf->pdev->dev, " lldp event off\n"); 1547 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1548 } 1549 1550 command_write_done: 1551 kfree(cmd_buf); 1552 cmd_buf = NULL; 1553 return count; 1554 } 1555 1556 static const struct file_operations i40e_dbg_command_fops = { 1557 .owner = THIS_MODULE, 1558 .open = simple_open, 1559 .read = i40e_dbg_command_read, 1560 .write = i40e_dbg_command_write, 1561 }; 1562 1563 /************************************************************** 1564 * netdev_ops 1565 * The netdev_ops entry in debugfs is for giving the driver commands 1566 * to be executed from the netdev operations. 1567 **************************************************************/ 1568 static char i40e_dbg_netdev_ops_buf[256] = ""; 1569 1570 /** 1571 * i40e_dbg_netdev_ops - read for netdev_ops datum 1572 * @filp: the opened file 1573 * @buffer: where to write the data for the user to read 1574 * @count: the size of the user's buffer 1575 * @ppos: file position offset 1576 **/ 1577 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1578 size_t count, loff_t *ppos) 1579 { 1580 struct i40e_pf *pf = filp->private_data; 1581 int bytes_not_copied; 1582 int buf_size = 256; 1583 char *buf; 1584 int len; 1585 1586 /* don't allow partal reads */ 1587 if (*ppos != 0) 1588 return 0; 1589 if (count < buf_size) 1590 return -ENOSPC; 1591 1592 buf = kzalloc(buf_size, GFP_KERNEL); 1593 if (!buf) 1594 return -ENOSPC; 1595 1596 len = snprintf(buf, buf_size, "%s: %s\n", 1597 pf->vsi[pf->lan_vsi]->netdev->name, 1598 i40e_dbg_netdev_ops_buf); 1599 1600 bytes_not_copied = copy_to_user(buffer, buf, len); 1601 kfree(buf); 1602 1603 if (bytes_not_copied) 1604 return -EFAULT; 1605 1606 *ppos = len; 1607 return len; 1608 } 1609 1610 /** 1611 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1612 * @filp: the opened file 1613 * @buffer: where to find the user's data 1614 * @count: the length of the user's data 1615 * @ppos: file position offset 1616 **/ 1617 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1618 const char __user *buffer, 1619 size_t count, loff_t *ppos) 1620 { 1621 struct i40e_pf *pf = filp->private_data; 1622 int bytes_not_copied; 1623 struct i40e_vsi *vsi; 1624 char *buf_tmp; 1625 int vsi_seid; 1626 int i, cnt; 1627 1628 /* don't allow partial writes */ 1629 if (*ppos != 0) 1630 return 0; 1631 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1632 return -ENOSPC; 1633 1634 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1635 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1636 buffer, count); 1637 if (bytes_not_copied) 1638 return -EFAULT; 1639 i40e_dbg_netdev_ops_buf[count] = '\0'; 1640 1641 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1642 if (buf_tmp) { 1643 *buf_tmp = '\0'; 1644 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1645 } 1646 1647 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1648 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1649 if (cnt != 1) { 1650 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1651 goto netdev_ops_write_done; 1652 } 1653 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1654 if (!vsi) { 1655 dev_info(&pf->pdev->dev, 1656 "tx_timeout: VSI %d not found\n", vsi_seid); 1657 } else if (!vsi->netdev) { 1658 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 1659 vsi_seid); 1660 } else if (test_bit(__I40E_VSI_DOWN, vsi->state)) { 1661 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 1662 vsi_seid); 1663 } else if (rtnl_trylock()) { 1664 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1665 rtnl_unlock(); 1666 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1667 } else { 1668 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1669 } 1670 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1671 int mtu; 1672 1673 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1674 &vsi_seid, &mtu); 1675 if (cnt != 2) { 1676 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1677 goto netdev_ops_write_done; 1678 } 1679 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1680 if (!vsi) { 1681 dev_info(&pf->pdev->dev, 1682 "change_mtu: VSI %d not found\n", vsi_seid); 1683 } else if (!vsi->netdev) { 1684 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1685 vsi_seid); 1686 } else if (rtnl_trylock()) { 1687 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1688 mtu); 1689 rtnl_unlock(); 1690 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1691 } else { 1692 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1693 } 1694 1695 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1696 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1697 if (cnt != 1) { 1698 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1699 goto netdev_ops_write_done; 1700 } 1701 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1702 if (!vsi) { 1703 dev_info(&pf->pdev->dev, 1704 "set_rx_mode: VSI %d not found\n", vsi_seid); 1705 } else if (!vsi->netdev) { 1706 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1707 vsi_seid); 1708 } else if (rtnl_trylock()) { 1709 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1710 rtnl_unlock(); 1711 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1712 } else { 1713 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1714 } 1715 1716 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1717 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1718 if (cnt != 1) { 1719 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1720 goto netdev_ops_write_done; 1721 } 1722 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1723 if (!vsi) { 1724 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1725 vsi_seid); 1726 } else if (!vsi->netdev) { 1727 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1728 vsi_seid); 1729 } else { 1730 for (i = 0; i < vsi->num_q_vectors; i++) 1731 napi_schedule(&vsi->q_vectors[i]->napi); 1732 dev_info(&pf->pdev->dev, "napi called\n"); 1733 } 1734 } else { 1735 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1736 i40e_dbg_netdev_ops_buf); 1737 dev_info(&pf->pdev->dev, "available commands\n"); 1738 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 1739 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1740 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1741 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1742 } 1743 netdev_ops_write_done: 1744 return count; 1745 } 1746 1747 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1748 .owner = THIS_MODULE, 1749 .open = simple_open, 1750 .read = i40e_dbg_netdev_ops_read, 1751 .write = i40e_dbg_netdev_ops_write, 1752 }; 1753 1754 /** 1755 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1756 * @pf: the PF that is starting up 1757 **/ 1758 void i40e_dbg_pf_init(struct i40e_pf *pf) 1759 { 1760 struct dentry *pfile; 1761 const char *name = pci_name(pf->pdev); 1762 const struct device *dev = &pf->pdev->dev; 1763 1764 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1765 if (!pf->i40e_dbg_pf) 1766 return; 1767 1768 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1769 &i40e_dbg_command_fops); 1770 if (!pfile) 1771 goto create_failed; 1772 1773 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1774 &i40e_dbg_netdev_ops_fops); 1775 if (!pfile) 1776 goto create_failed; 1777 1778 return; 1779 1780 create_failed: 1781 dev_info(dev, "debugfs dir/file for %s failed\n", name); 1782 debugfs_remove_recursive(pf->i40e_dbg_pf); 1783 } 1784 1785 /** 1786 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1787 * @pf: the PF that is stopping 1788 **/ 1789 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1790 { 1791 debugfs_remove_recursive(pf->i40e_dbg_pf); 1792 pf->i40e_dbg_pf = NULL; 1793 } 1794 1795 /** 1796 * i40e_dbg_init - start up debugfs for the driver 1797 **/ 1798 void i40e_dbg_init(void) 1799 { 1800 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1801 if (!i40e_dbg_root) 1802 pr_info("init of debugfs failed\n"); 1803 } 1804 1805 /** 1806 * i40e_dbg_exit - clean out the driver's debugfs entries 1807 **/ 1808 void i40e_dbg_exit(void) 1809 { 1810 debugfs_remove_recursive(i40e_dbg_root); 1811 i40e_dbg_root = NULL; 1812 } 1813 1814 #endif /* CONFIG_DEBUG_FS */ 1815