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