1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2013 - 2018 Intel Corporation. */ 3 4 #ifdef CONFIG_DEBUG_FS 5 6 #include <linux/fs.h> 7 #include <linux/debugfs.h> 8 #include <linux/if_bridge.h> 9 #include "i40e.h" 10 #include "i40e_virtchnl_pf.h" 11 12 static struct dentry *i40e_dbg_root; 13 14 enum ring_type { 15 RING_TYPE_RX, 16 RING_TYPE_TX, 17 RING_TYPE_XDP 18 }; 19 20 /** 21 * i40e_dbg_find_vsi - searches for the vsi with the given seid 22 * @pf: the PF structure to search for the vsi 23 * @seid: seid of the vsi it is searching for 24 **/ 25 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) 26 { 27 if (seid < 0) { 28 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 29 30 return NULL; 31 } 32 33 return i40e_pf_get_vsi_by_seid(pf, seid); 34 } 35 36 /************************************************************** 37 * command 38 * The command entry in debugfs is for giving the driver commands 39 * to be executed - these may be for changing the internal switch 40 * setup, adding or removing filters, or other things. Many of 41 * these will be useful for some forms of unit testing. 42 **************************************************************/ 43 static char i40e_dbg_command_buf[256] = ""; 44 45 /** 46 * i40e_dbg_command_read - read for command datum 47 * @filp: the opened file 48 * @buffer: where to write the data for the user to read 49 * @count: the size of the user's buffer 50 * @ppos: file position offset 51 **/ 52 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 53 size_t count, loff_t *ppos) 54 { 55 struct i40e_pf *pf = filp->private_data; 56 struct i40e_vsi *main_vsi; 57 int bytes_not_copied; 58 int buf_size = 256; 59 char *buf; 60 int len; 61 62 /* don't allow partial reads */ 63 if (*ppos != 0) 64 return 0; 65 if (count < buf_size) 66 return -ENOSPC; 67 68 buf = kzalloc(buf_size, GFP_KERNEL); 69 if (!buf) 70 return -ENOSPC; 71 72 main_vsi = i40e_pf_get_main_vsi(pf); 73 len = snprintf(buf, buf_size, "%s: %s\n", main_vsi->netdev->name, 74 i40e_dbg_command_buf); 75 76 bytes_not_copied = copy_to_user(buffer, buf, len); 77 kfree(buf); 78 79 if (bytes_not_copied) 80 return -EFAULT; 81 82 *ppos = len; 83 return len; 84 } 85 86 static char *i40e_filter_state_string[] = { 87 "INVALID", 88 "NEW", 89 "ACTIVE", 90 "FAILED", 91 "REMOVE", 92 "NEW_SYNC", 93 }; 94 95 /** 96 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 97 * @pf: the i40e_pf created in command write 98 * @seid: the seid the user put in 99 **/ 100 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 101 { 102 struct rtnl_link_stats64 *nstat; 103 struct i40e_mac_filter *f; 104 struct i40e_vsi *vsi; 105 int i, bkt; 106 107 vsi = i40e_dbg_find_vsi(pf, seid); 108 if (!vsi) { 109 dev_info(&pf->pdev->dev, 110 "dump %d: seid not found\n", seid); 111 return; 112 } 113 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 114 if (vsi->netdev) { 115 struct net_device *nd = vsi->netdev; 116 117 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 118 nd->name, nd->state, nd->flags); 119 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 120 (unsigned long int)nd->features); 121 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 122 (unsigned long int)nd->hw_features); 123 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 124 (unsigned long int)nd->vlan_features); 125 } 126 dev_info(&pf->pdev->dev, 127 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 128 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); 129 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) 130 dev_info(&pf->pdev->dev, 131 " state[%d] = %08lx\n", 132 i, vsi->state[i]); 133 if (vsi->type == I40E_VSI_MAIN) 134 dev_info(&pf->pdev->dev, " MAC address: %pM Port MAC: %pM\n", 135 pf->hw.mac.addr, 136 pf->hw.mac.port_addr); 137 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { 138 dev_info(&pf->pdev->dev, 139 " mac_filter_hash: %pM vid=%d, state %s\n", 140 f->macaddr, f->vlan, 141 i40e_filter_state_string[f->state]); 142 } 143 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n", 144 vsi->active_filters, vsi->promisc_threshold, 145 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ? 146 "ON" : "OFF")); 147 nstat = i40e_get_vsi_stats_struct(vsi); 148 dev_info(&pf->pdev->dev, 149 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 150 (unsigned long int)nstat->rx_packets, 151 (unsigned long int)nstat->rx_bytes, 152 (unsigned long int)nstat->rx_errors, 153 (unsigned long int)nstat->rx_dropped); 154 dev_info(&pf->pdev->dev, 155 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 156 (unsigned long int)nstat->tx_packets, 157 (unsigned long int)nstat->tx_bytes, 158 (unsigned long int)nstat->tx_errors, 159 (unsigned long int)nstat->tx_dropped); 160 dev_info(&pf->pdev->dev, 161 " net_stats: multicast = %lu, collisions = %lu\n", 162 (unsigned long int)nstat->multicast, 163 (unsigned long int)nstat->collisions); 164 dev_info(&pf->pdev->dev, 165 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 166 (unsigned long int)nstat->rx_length_errors, 167 (unsigned long int)nstat->rx_over_errors, 168 (unsigned long int)nstat->rx_crc_errors); 169 dev_info(&pf->pdev->dev, 170 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 171 (unsigned long int)nstat->rx_frame_errors, 172 (unsigned long int)nstat->rx_fifo_errors, 173 (unsigned long int)nstat->rx_missed_errors); 174 dev_info(&pf->pdev->dev, 175 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 176 (unsigned long int)nstat->tx_aborted_errors, 177 (unsigned long int)nstat->tx_carrier_errors, 178 (unsigned long int)nstat->tx_fifo_errors); 179 dev_info(&pf->pdev->dev, 180 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 181 (unsigned long int)nstat->tx_heartbeat_errors, 182 (unsigned long int)nstat->tx_window_errors); 183 dev_info(&pf->pdev->dev, 184 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 185 (unsigned long int)nstat->rx_compressed, 186 (unsigned long int)nstat->tx_compressed); 187 dev_info(&pf->pdev->dev, 188 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 189 (unsigned long int)vsi->net_stats_offsets.rx_packets, 190 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 191 (unsigned long int)vsi->net_stats_offsets.rx_errors, 192 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 193 dev_info(&pf->pdev->dev, 194 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 195 (unsigned long int)vsi->net_stats_offsets.tx_packets, 196 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 197 (unsigned long int)vsi->net_stats_offsets.tx_errors, 198 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 199 dev_info(&pf->pdev->dev, 200 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 201 (unsigned long int)vsi->net_stats_offsets.multicast, 202 (unsigned long int)vsi->net_stats_offsets.collisions); 203 dev_info(&pf->pdev->dev, 204 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 205 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 206 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 207 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 208 dev_info(&pf->pdev->dev, 209 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 210 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 211 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 212 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 213 dev_info(&pf->pdev->dev, 214 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 215 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 216 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 217 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 218 dev_info(&pf->pdev->dev, 219 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 220 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 221 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 222 dev_info(&pf->pdev->dev, 223 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 224 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 225 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 226 dev_info(&pf->pdev->dev, 227 " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n", 228 vsi->tx_restart, vsi->tx_busy, 229 vsi->rx_buf_failed, vsi->rx_page_failed); 230 rcu_read_lock(); 231 for (i = 0; i < vsi->num_queue_pairs; i++) { 232 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); 233 234 if (!rx_ring) 235 continue; 236 237 dev_info(&pf->pdev->dev, 238 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 239 i, *rx_ring->state, 240 rx_ring->queue_index, 241 rx_ring->reg_idx); 242 dev_info(&pf->pdev->dev, 243 " rx_rings[%i]: rx_buf_len = %d\n", 244 i, rx_ring->rx_buf_len); 245 dev_info(&pf->pdev->dev, 246 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 247 i, 248 rx_ring->next_to_use, 249 rx_ring->next_to_clean, 250 rx_ring->ring_active); 251 dev_info(&pf->pdev->dev, 252 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 253 i, rx_ring->stats.packets, 254 rx_ring->stats.bytes, 255 rx_ring->rx_stats.non_eop_descs); 256 dev_info(&pf->pdev->dev, 257 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 258 i, 259 rx_ring->rx_stats.alloc_page_failed, 260 rx_ring->rx_stats.alloc_buff_failed); 261 dev_info(&pf->pdev->dev, 262 " rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n", 263 i, 264 rx_ring->rx_stats.page_reuse_count); 265 dev_info(&pf->pdev->dev, 266 " rx_rings[%i]: size = %i\n", 267 i, rx_ring->size); 268 dev_info(&pf->pdev->dev, 269 " rx_rings[%i]: itr_setting = %d (%s)\n", 270 i, rx_ring->itr_setting, 271 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed"); 272 } 273 for (i = 0; i < vsi->num_queue_pairs; i++) { 274 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); 275 276 if (!tx_ring) 277 continue; 278 279 dev_info(&pf->pdev->dev, 280 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 281 i, *tx_ring->state, 282 tx_ring->queue_index, 283 tx_ring->reg_idx); 284 dev_info(&pf->pdev->dev, 285 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 286 i, 287 tx_ring->next_to_use, 288 tx_ring->next_to_clean, 289 tx_ring->ring_active); 290 dev_info(&pf->pdev->dev, 291 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 292 i, tx_ring->stats.packets, 293 tx_ring->stats.bytes, 294 tx_ring->tx_stats.restart_queue); 295 dev_info(&pf->pdev->dev, 296 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld, tx_stopped = %lld\n", 297 i, 298 tx_ring->tx_stats.tx_busy, 299 tx_ring->tx_stats.tx_done_old, 300 tx_ring->tx_stats.tx_stopped); 301 dev_info(&pf->pdev->dev, 302 " tx_rings[%i]: size = %i\n", 303 i, tx_ring->size); 304 dev_info(&pf->pdev->dev, 305 " tx_rings[%i]: DCB tc = %d\n", 306 i, tx_ring->dcb_tc); 307 dev_info(&pf->pdev->dev, 308 " tx_rings[%i]: itr_setting = %d (%s)\n", 309 i, tx_ring->itr_setting, 310 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed"); 311 } 312 if (i40e_enabled_xdp_vsi(vsi)) { 313 for (i = 0; i < vsi->num_queue_pairs; i++) { 314 struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]); 315 316 if (!xdp_ring) 317 continue; 318 319 dev_info(&pf->pdev->dev, 320 " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 321 i, *xdp_ring->state, 322 xdp_ring->queue_index, 323 xdp_ring->reg_idx); 324 dev_info(&pf->pdev->dev, 325 " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 326 i, 327 xdp_ring->next_to_use, 328 xdp_ring->next_to_clean, 329 xdp_ring->ring_active); 330 dev_info(&pf->pdev->dev, 331 " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 332 i, xdp_ring->stats.packets, 333 xdp_ring->stats.bytes, 334 xdp_ring->tx_stats.restart_queue); 335 dev_info(&pf->pdev->dev, 336 " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 337 i, 338 xdp_ring->tx_stats.tx_busy, 339 xdp_ring->tx_stats.tx_done_old); 340 dev_info(&pf->pdev->dev, 341 " xdp_rings[%i]: size = %i\n", 342 i, xdp_ring->size); 343 dev_info(&pf->pdev->dev, 344 " xdp_rings[%i]: DCB tc = %d\n", 345 i, xdp_ring->dcb_tc); 346 dev_info(&pf->pdev->dev, 347 " xdp_rings[%i]: itr_setting = %d (%s)\n", 348 i, xdp_ring->itr_setting, 349 ITR_IS_DYNAMIC(xdp_ring->itr_setting) ? 350 "dynamic" : "fixed"); 351 } 352 } 353 rcu_read_unlock(); 354 dev_info(&pf->pdev->dev, 355 " work_limit = %d\n", 356 vsi->work_limit); 357 dev_info(&pf->pdev->dev, 358 " max_frame = %d, rx_buf_len = %d dtype = %d\n", 359 vsi->max_frame, vsi->rx_buf_len, 0); 360 dev_info(&pf->pdev->dev, 361 " num_q_vectors = %i, base_vector = %i\n", 362 vsi->num_q_vectors, vsi->base_vector); 363 dev_info(&pf->pdev->dev, 364 " seid = %d, id = %d, uplink_seid = %d\n", 365 vsi->seid, vsi->id, vsi->uplink_seid); 366 dev_info(&pf->pdev->dev, 367 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n", 368 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc, 369 vsi->num_rx_desc); 370 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 371 if (vsi->type == I40E_VSI_SRIOV) 372 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id); 373 dev_info(&pf->pdev->dev, 374 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 375 vsi->info.valid_sections, vsi->info.switch_id); 376 dev_info(&pf->pdev->dev, 377 " info: sw_reserved[] = 0x%02x 0x%02x\n", 378 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 379 dev_info(&pf->pdev->dev, 380 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 381 vsi->info.sec_flags, vsi->info.sec_reserved); 382 dev_info(&pf->pdev->dev, 383 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 384 vsi->info.pvid, vsi->info.fcoe_pvid, 385 vsi->info.port_vlan_flags); 386 dev_info(&pf->pdev->dev, 387 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 388 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 389 vsi->info.pvlan_reserved[2]); 390 dev_info(&pf->pdev->dev, 391 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 392 vsi->info.ingress_table, vsi->info.egress_table); 393 dev_info(&pf->pdev->dev, 394 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 395 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 396 vsi->info.cas_pv_reserved); 397 dev_info(&pf->pdev->dev, 398 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 399 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 400 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 401 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 402 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 403 dev_info(&pf->pdev->dev, 404 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 405 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 406 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 407 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 408 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 409 dev_info(&pf->pdev->dev, 410 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 411 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 412 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 413 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 414 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 415 dev_info(&pf->pdev->dev, 416 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 417 vsi->info.queueing_opt_flags, 418 vsi->info.queueing_opt_reserved[0], 419 vsi->info.queueing_opt_reserved[1], 420 vsi->info.queueing_opt_reserved[2]); 421 dev_info(&pf->pdev->dev, 422 " info: up_enable_bits = 0x%02x\n", 423 vsi->info.up_enable_bits); 424 dev_info(&pf->pdev->dev, 425 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 426 vsi->info.sched_reserved, vsi->info.outer_up_table); 427 dev_info(&pf->pdev->dev, 428 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 429 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 430 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 431 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 432 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 433 dev_info(&pf->pdev->dev, 434 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 435 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 436 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 437 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 438 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 439 dev_info(&pf->pdev->dev, 440 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 441 vsi->info.stat_counter_idx, vsi->info.sched_id); 442 dev_info(&pf->pdev->dev, 443 " 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", 444 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 445 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 446 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 447 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 448 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 449 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 450 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 451 dev_info(&pf->pdev->dev, 452 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 453 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 454 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 455 dev_info(&pf->pdev->dev, 456 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 457 i, vsi->tc_config.tc_info[i].qoffset, 458 vsi->tc_config.tc_info[i].qcount, 459 vsi->tc_config.tc_info[i].netdev_tc); 460 } 461 dev_info(&pf->pdev->dev, 462 " bw: bw_limit = %d, bw_max_quanta = %d\n", 463 vsi->bw_limit, vsi->bw_max_quanta); 464 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 465 dev_info(&pf->pdev->dev, 466 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 467 i, vsi->bw_ets_share_credits[i], 468 vsi->bw_ets_limit_credits[i], 469 vsi->bw_ets_max_quanta[i]); 470 } 471 } 472 473 /** 474 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 475 * @pf: the i40e_pf created in command write 476 **/ 477 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 478 { 479 struct i40e_adminq_ring *ring; 480 struct i40e_hw *hw = &pf->hw; 481 char hdr[32]; 482 int i; 483 484 snprintf(hdr, sizeof(hdr), "%s %s: ", 485 dev_driver_string(&pf->pdev->dev), 486 dev_name(&pf->pdev->dev)); 487 488 /* first the send (command) ring, then the receive (event) ring */ 489 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 490 ring = &(hw->aq.asq); 491 for (i = 0; i < ring->count; i++) { 492 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 493 494 dev_info(&pf->pdev->dev, 495 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 496 i, d->flags, d->opcode, d->datalen, d->retval, 497 d->cookie_high, d->cookie_low); 498 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 499 16, 1, d->params.raw, 16, 0); 500 } 501 502 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 503 ring = &(hw->aq.arq); 504 for (i = 0; i < ring->count; i++) { 505 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 506 507 dev_info(&pf->pdev->dev, 508 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 509 i, d->flags, d->opcode, d->datalen, d->retval, 510 d->cookie_high, d->cookie_low); 511 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 512 16, 1, d->params.raw, 16, 0); 513 } 514 } 515 516 /** 517 * i40e_dbg_dump_desc - handles dump desc write into command datum 518 * @cnt: number of arguments that the user supplied 519 * @vsi_seid: vsi id entered by user 520 * @ring_id: ring id entered by user 521 * @desc_n: descriptor number entered by user 522 * @pf: the i40e_pf created in command write 523 * @type: enum describing whether ring is RX, TX or XDP 524 **/ 525 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 526 struct i40e_pf *pf, enum ring_type type) 527 { 528 bool is_rx_ring = type == RING_TYPE_RX; 529 struct i40e_tx_desc *txd; 530 union i40e_rx_desc *rxd; 531 struct i40e_ring *ring; 532 struct i40e_vsi *vsi; 533 int i; 534 535 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 536 if (!vsi) { 537 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 538 return; 539 } 540 if (vsi->type != I40E_VSI_MAIN && 541 vsi->type != I40E_VSI_FDIR && 542 vsi->type != I40E_VSI_VMDQ2) { 543 dev_info(&pf->pdev->dev, 544 "vsi %d type %d descriptor rings not available\n", 545 vsi_seid, vsi->type); 546 return; 547 } 548 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { 549 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid); 550 return; 551 } 552 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 553 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 554 return; 555 } 556 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 557 dev_info(&pf->pdev->dev, 558 "descriptor rings have not been allocated for vsi %d\n", 559 vsi_seid); 560 return; 561 } 562 563 switch (type) { 564 case RING_TYPE_RX: 565 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 566 break; 567 case RING_TYPE_TX: 568 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 569 break; 570 case RING_TYPE_XDP: 571 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); 572 break; 573 default: 574 ring = NULL; 575 break; 576 } 577 if (!ring) 578 return; 579 580 if (cnt == 2) { 581 switch (type) { 582 case RING_TYPE_RX: 583 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id); 584 break; 585 case RING_TYPE_TX: 586 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id); 587 break; 588 case RING_TYPE_XDP: 589 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id); 590 break; 591 } 592 for (i = 0; i < ring->count; i++) { 593 if (!is_rx_ring) { 594 txd = I40E_TX_DESC(ring, i); 595 dev_info(&pf->pdev->dev, 596 " d[%03x] = 0x%016llx 0x%016llx\n", 597 i, txd->buffer_addr, 598 txd->cmd_type_offset_bsz); 599 } else { 600 rxd = I40E_RX_DESC(ring, i); 601 dev_info(&pf->pdev->dev, 602 " d[%03x] = 0x%016llx 0x%016llx\n", 603 i, rxd->read.pkt_addr, 604 rxd->read.hdr_addr); 605 } 606 } 607 } else if (cnt == 3) { 608 if (desc_n >= ring->count || desc_n < 0) { 609 dev_info(&pf->pdev->dev, 610 "descriptor %d not found\n", desc_n); 611 goto out; 612 } 613 if (!is_rx_ring) { 614 txd = I40E_TX_DESC(ring, desc_n); 615 dev_info(&pf->pdev->dev, 616 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 617 vsi_seid, ring_id, desc_n, 618 txd->buffer_addr, txd->cmd_type_offset_bsz); 619 } else { 620 rxd = I40E_RX_DESC(ring, desc_n); 621 dev_info(&pf->pdev->dev, 622 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 623 vsi_seid, ring_id, desc_n, 624 rxd->read.pkt_addr, rxd->read.hdr_addr); 625 } 626 } else { 627 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 628 } 629 630 out: 631 kfree(ring); 632 } 633 634 /** 635 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 636 * @pf: the i40e_pf created in command write 637 **/ 638 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 639 { 640 struct i40e_vsi *vsi; 641 int i; 642 643 i40e_pf_for_each_vsi(pf, i, vsi) 644 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", i, vsi->seid); 645 } 646 647 /** 648 * i40e_dbg_dump_eth_stats - handles dump stats write into command datum 649 * @pf: the i40e_pf created in command write 650 * @estats: the eth stats structure to be dumped 651 **/ 652 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 653 struct i40e_eth_stats *estats) 654 { 655 dev_info(&pf->pdev->dev, " ethstats:\n"); 656 dev_info(&pf->pdev->dev, 657 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 658 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 659 dev_info(&pf->pdev->dev, 660 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 661 estats->rx_broadcast, estats->rx_discards); 662 dev_info(&pf->pdev->dev, 663 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 664 estats->rx_unknown_protocol, estats->tx_bytes); 665 dev_info(&pf->pdev->dev, 666 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 667 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 668 dev_info(&pf->pdev->dev, 669 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 670 estats->tx_discards, estats->tx_errors); 671 } 672 673 /** 674 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 675 * @pf: the i40e_pf created in command write 676 * @seid: the seid the user put in 677 **/ 678 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 679 { 680 struct i40e_veb *veb; 681 682 veb = i40e_pf_get_veb_by_seid(pf, seid); 683 if (!veb) { 684 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 685 return; 686 } 687 dev_info(&pf->pdev->dev, 688 "veb idx=%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 689 veb->idx, veb->stats_idx, veb->seid, veb->uplink_seid, 690 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 691 i40e_dbg_dump_eth_stats(pf, &veb->stats); 692 } 693 694 /** 695 * i40e_dbg_dump_veb_all - dumps all known veb's stats 696 * @pf: the i40e_pf created in command write 697 **/ 698 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 699 { 700 struct i40e_veb *veb; 701 int i; 702 703 i40e_pf_for_each_veb(pf, i, veb) 704 i40e_dbg_dump_veb_seid(pf, veb->seid); 705 } 706 707 /** 708 * i40e_dbg_dump_vf - dump VF info 709 * @pf: the i40e_pf created in command write 710 * @vf_id: the vf_id from the user 711 **/ 712 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 713 { 714 struct i40e_vf *vf; 715 struct i40e_vsi *vsi; 716 717 if (!pf->num_alloc_vfs) { 718 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 719 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 720 vf = &pf->vf[vf_id]; 721 vsi = pf->vsi[vf->lan_vsi_idx]; 722 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 723 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 724 dev_info(&pf->pdev->dev, " num MDD=%lld\n", 725 vf->num_mdd_events); 726 } else { 727 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 728 } 729 } 730 731 /** 732 * i40e_dbg_dump_vf_all - dump VF info for all VFs 733 * @pf: the i40e_pf created in command write 734 **/ 735 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 736 { 737 int i; 738 739 if (!pf->num_alloc_vfs) 740 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 741 else 742 for (i = 0; i < pf->num_alloc_vfs; i++) 743 i40e_dbg_dump_vf(pf, i); 744 } 745 746 /** 747 * i40e_dbg_command_write - write into command datum 748 * @filp: the opened file 749 * @buffer: where to find the user's data 750 * @count: the length of the user's data 751 * @ppos: file position offset 752 **/ 753 static ssize_t i40e_dbg_command_write(struct file *filp, 754 const char __user *buffer, 755 size_t count, loff_t *ppos) 756 { 757 struct i40e_pf *pf = filp->private_data; 758 char *cmd_buf, *cmd_buf_tmp; 759 int bytes_not_copied; 760 struct i40e_vsi *vsi; 761 int vsi_seid; 762 int veb_seid; 763 int vf_id; 764 int cnt; 765 766 /* don't allow partial writes */ 767 if (*ppos != 0) 768 return 0; 769 770 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 771 if (!cmd_buf) 772 return count; 773 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 774 if (bytes_not_copied) { 775 kfree(cmd_buf); 776 return -EFAULT; 777 } 778 cmd_buf[count] = '\0'; 779 780 cmd_buf_tmp = strchr(cmd_buf, '\n'); 781 if (cmd_buf_tmp) { 782 *cmd_buf_tmp = '\0'; 783 count = cmd_buf_tmp - cmd_buf + 1; 784 } 785 786 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 787 vsi_seid = -1; 788 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 789 if (cnt == 0) { 790 /* default to PF VSI */ 791 vsi = i40e_pf_get_main_vsi(pf); 792 vsi_seid = vsi->seid; 793 } else if (vsi_seid < 0) { 794 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 795 vsi_seid); 796 goto command_write_done; 797 } 798 799 /* By default we are in VEPA mode, if this is the first VF/VMDq 800 * VSI to be added switch to VEB mode. 801 */ 802 if (!test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags)) { 803 set_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags); 804 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 805 } 806 807 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 808 if (vsi) 809 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 810 vsi->seid, vsi->uplink_seid); 811 else 812 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 813 814 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 815 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 816 if (cnt != 1) { 817 dev_info(&pf->pdev->dev, 818 "del vsi: bad command string, cnt=%d\n", 819 cnt); 820 goto command_write_done; 821 } 822 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 823 if (!vsi) { 824 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 825 vsi_seid); 826 goto command_write_done; 827 } 828 829 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 830 i40e_vsi_release(vsi); 831 832 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 833 struct i40e_veb *veb; 834 u8 enabled_tc = 0x1; 835 int uplink_seid; 836 837 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 838 if (cnt == 0) { 839 uplink_seid = 0; 840 vsi_seid = 0; 841 } else if (cnt != 2) { 842 dev_info(&pf->pdev->dev, 843 "add relay: bad command string, cnt=%d\n", 844 cnt); 845 goto command_write_done; 846 } else if (uplink_seid < 0) { 847 dev_info(&pf->pdev->dev, 848 "add relay %d: bad uplink seid\n", 849 uplink_seid); 850 goto command_write_done; 851 } 852 853 if (uplink_seid != 0 && uplink_seid != pf->mac_seid) { 854 dev_info(&pf->pdev->dev, 855 "add relay: relay uplink %d not found\n", 856 uplink_seid); 857 goto command_write_done; 858 } else if (uplink_seid) { 859 vsi = i40e_pf_get_vsi_by_seid(pf, vsi_seid); 860 if (!vsi) { 861 dev_info(&pf->pdev->dev, 862 "add relay: VSI %d not found\n", 863 vsi_seid); 864 goto command_write_done; 865 } 866 enabled_tc = vsi->tc_config.enabled_tc; 867 } else if (vsi_seid) { 868 dev_info(&pf->pdev->dev, 869 "add relay: VSI must be 0 for floating relay\n"); 870 goto command_write_done; 871 } 872 873 veb = i40e_veb_setup(pf, uplink_seid, vsi_seid, enabled_tc); 874 if (veb) 875 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 876 else 877 dev_info(&pf->pdev->dev, "add relay failed\n"); 878 879 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 880 struct i40e_veb *veb; 881 int i; 882 883 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 884 if (cnt != 1) { 885 dev_info(&pf->pdev->dev, 886 "del relay: bad command string, cnt=%d\n", 887 cnt); 888 goto command_write_done; 889 } else if (veb_seid < 0) { 890 dev_info(&pf->pdev->dev, 891 "del relay %d: bad relay seid\n", veb_seid); 892 goto command_write_done; 893 } 894 895 /* find the veb */ 896 i40e_pf_for_each_veb(pf, i, veb) 897 if (veb->seid == veb_seid) 898 break; 899 900 if (i >= I40E_MAX_VEB) { 901 dev_info(&pf->pdev->dev, 902 "del relay: relay %d not found\n", veb_seid); 903 goto command_write_done; 904 } 905 906 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 907 i40e_veb_release(veb); 908 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 909 unsigned int v; 910 int ret; 911 u16 vid; 912 913 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 914 if (cnt != 2) { 915 dev_info(&pf->pdev->dev, 916 "add pvid: bad command string, cnt=%d\n", cnt); 917 goto command_write_done; 918 } 919 920 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 921 if (!vsi) { 922 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 923 vsi_seid); 924 goto command_write_done; 925 } 926 927 vid = v; 928 ret = i40e_vsi_add_pvid(vsi, vid); 929 if (!ret) 930 dev_info(&pf->pdev->dev, 931 "add pvid: %d added to VSI %d\n", 932 vid, vsi_seid); 933 else 934 dev_info(&pf->pdev->dev, 935 "add pvid: %d to VSI %d failed, ret=%d\n", 936 vid, vsi_seid, ret); 937 938 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 939 940 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 941 if (cnt != 1) { 942 dev_info(&pf->pdev->dev, 943 "del pvid: bad command string, cnt=%d\n", 944 cnt); 945 goto command_write_done; 946 } 947 948 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 949 if (!vsi) { 950 dev_info(&pf->pdev->dev, 951 "del pvid: VSI %d not found\n", vsi_seid); 952 goto command_write_done; 953 } 954 955 i40e_vsi_remove_pvid(vsi); 956 dev_info(&pf->pdev->dev, 957 "del pvid: removed from VSI %d\n", vsi_seid); 958 959 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 960 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 961 i40e_fetch_switch_configuration(pf, true); 962 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 963 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 964 if (cnt > 0) 965 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 966 else 967 i40e_dbg_dump_vsi_no_seid(pf); 968 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 969 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 970 if (cnt > 0) 971 i40e_dbg_dump_veb_seid(pf, vsi_seid); 972 else 973 i40e_dbg_dump_veb_all(pf); 974 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 975 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 976 if (cnt > 0) 977 i40e_dbg_dump_vf(pf, vf_id); 978 else 979 i40e_dbg_dump_vf_all(pf); 980 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 981 int ring_id, desc_n; 982 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 983 cnt = sscanf(&cmd_buf[12], "%i %i %i", 984 &vsi_seid, &ring_id, &desc_n); 985 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 986 desc_n, pf, RING_TYPE_RX); 987 } else if (strncmp(&cmd_buf[10], "tx", 2) 988 == 0) { 989 cnt = sscanf(&cmd_buf[12], "%i %i %i", 990 &vsi_seid, &ring_id, &desc_n); 991 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 992 desc_n, pf, RING_TYPE_TX); 993 } else if (strncmp(&cmd_buf[10], "xdp", 3) 994 == 0) { 995 cnt = sscanf(&cmd_buf[13], "%i %i %i", 996 &vsi_seid, &ring_id, &desc_n); 997 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 998 desc_n, pf, RING_TYPE_XDP); 999 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1000 i40e_dbg_dump_aq_desc(pf); 1001 } else { 1002 dev_info(&pf->pdev->dev, 1003 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1004 dev_info(&pf->pdev->dev, 1005 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1006 dev_info(&pf->pdev->dev, 1007 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1008 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1009 } 1010 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1011 dev_info(&pf->pdev->dev, 1012 "core reset count: %d\n", pf->corer_count); 1013 dev_info(&pf->pdev->dev, 1014 "global reset count: %d\n", pf->globr_count); 1015 dev_info(&pf->pdev->dev, 1016 "emp reset count: %d\n", pf->empr_count); 1017 dev_info(&pf->pdev->dev, 1018 "pf reset count: %d\n", pf->pfr_count); 1019 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1020 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1021 struct i40e_dcbx_config *cfg = 1022 &pf->hw.local_dcbx_config; 1023 struct i40e_dcbx_config *r_cfg = 1024 &pf->hw.remote_dcbx_config; 1025 int i, ret; 1026 u16 switch_id; 1027 1028 bw_data = kzalloc(sizeof( 1029 struct i40e_aqc_query_port_ets_config_resp), 1030 GFP_KERNEL); 1031 if (!bw_data) { 1032 ret = -ENOMEM; 1033 goto command_write_done; 1034 } 1035 1036 vsi = i40e_pf_get_main_vsi(pf); 1037 switch_id = 1038 le16_to_cpu(vsi->info.switch_id) & 1039 I40E_AQ_VSI_SW_ID_MASK; 1040 1041 ret = i40e_aq_query_port_ets_config(&pf->hw, 1042 switch_id, 1043 bw_data, NULL); 1044 if (ret) { 1045 dev_info(&pf->pdev->dev, 1046 "Query Port ETS Config AQ command failed =0x%x\n", 1047 pf->hw.aq.asq_last_status); 1048 kfree(bw_data); 1049 bw_data = NULL; 1050 goto command_write_done; 1051 } 1052 dev_info(&pf->pdev->dev, 1053 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1054 bw_data->tc_valid_bits, 1055 bw_data->tc_strict_priority_bits, 1056 le16_to_cpu(bw_data->tc_bw_max[0]), 1057 le16_to_cpu(bw_data->tc_bw_max[1])); 1058 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1059 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1060 bw_data->tc_bw_share_credits[i], 1061 le16_to_cpu(bw_data->tc_bw_limits[i])); 1062 } 1063 1064 kfree(bw_data); 1065 bw_data = NULL; 1066 1067 dev_info(&pf->pdev->dev, 1068 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1069 dev_info(&pf->pdev->dev, 1070 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1071 cfg->etscfg.willing, cfg->etscfg.cbs, 1072 cfg->etscfg.maxtcs); 1073 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1074 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1075 i, cfg->etscfg.prioritytable[i], 1076 cfg->etscfg.tcbwtable[i], 1077 cfg->etscfg.tsatable[i]); 1078 } 1079 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1080 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1081 i, cfg->etsrec.prioritytable[i], 1082 cfg->etsrec.tcbwtable[i], 1083 cfg->etsrec.tsatable[i]); 1084 } 1085 dev_info(&pf->pdev->dev, 1086 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1087 cfg->pfc.willing, cfg->pfc.mbc, 1088 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1089 dev_info(&pf->pdev->dev, 1090 "port app_table: num_apps=%d\n", cfg->numapps); 1091 for (i = 0; i < cfg->numapps; i++) { 1092 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1093 i, cfg->app[i].priority, 1094 cfg->app[i].selector, 1095 cfg->app[i].protocolid); 1096 } 1097 /* Peer TLV DCBX data */ 1098 dev_info(&pf->pdev->dev, 1099 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1100 r_cfg->etscfg.willing, 1101 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1102 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1103 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1104 i, r_cfg->etscfg.prioritytable[i], 1105 r_cfg->etscfg.tcbwtable[i], 1106 r_cfg->etscfg.tsatable[i]); 1107 } 1108 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1109 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1110 i, r_cfg->etsrec.prioritytable[i], 1111 r_cfg->etsrec.tcbwtable[i], 1112 r_cfg->etsrec.tsatable[i]); 1113 } 1114 dev_info(&pf->pdev->dev, 1115 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1116 r_cfg->pfc.willing, 1117 r_cfg->pfc.mbc, 1118 r_cfg->pfc.pfccap, 1119 r_cfg->pfc.pfcenable); 1120 dev_info(&pf->pdev->dev, 1121 "remote port app_table: num_apps=%d\n", 1122 r_cfg->numapps); 1123 for (i = 0; i < r_cfg->numapps; i++) { 1124 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1125 i, r_cfg->app[i].priority, 1126 r_cfg->app[i].selector, 1127 r_cfg->app[i].protocolid); 1128 } 1129 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1130 int cluster_id, table_id; 1131 int index, ret; 1132 u16 buff_len = 4096; 1133 u32 next_index; 1134 u8 next_table; 1135 u8 *buff; 1136 u16 rlen; 1137 1138 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1139 &cluster_id, &table_id, &index); 1140 if (cnt != 3) { 1141 dev_info(&pf->pdev->dev, 1142 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1143 goto command_write_done; 1144 } 1145 1146 dev_info(&pf->pdev->dev, 1147 "AQ debug dump fwdata params %x %x %x %x\n", 1148 cluster_id, table_id, index, buff_len); 1149 buff = kzalloc(buff_len, GFP_KERNEL); 1150 if (!buff) 1151 goto command_write_done; 1152 1153 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1154 index, buff_len, buff, &rlen, 1155 &next_table, &next_index, 1156 NULL); 1157 if (ret) { 1158 dev_info(&pf->pdev->dev, 1159 "debug dump fwdata AQ Failed %d 0x%x\n", 1160 ret, pf->hw.aq.asq_last_status); 1161 kfree(buff); 1162 buff = NULL; 1163 goto command_write_done; 1164 } 1165 dev_info(&pf->pdev->dev, 1166 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1167 rlen, next_table, next_index); 1168 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1169 DUMP_PREFIX_OFFSET, 16, 1, 1170 buff, rlen, true); 1171 kfree(buff); 1172 buff = NULL; 1173 } else { 1174 dev_info(&pf->pdev->dev, 1175 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n"); 1176 dev_info(&pf->pdev->dev, "dump switch\n"); 1177 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1178 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1179 dev_info(&pf->pdev->dev, "dump port\n"); 1180 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1181 dev_info(&pf->pdev->dev, 1182 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1183 } 1184 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1185 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1186 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1187 1188 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1189 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1190 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1191 1192 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1193 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1194 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1195 1196 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1197 u32 address; 1198 u32 value; 1199 1200 cnt = sscanf(&cmd_buf[4], "%i", &address); 1201 if (cnt != 1) { 1202 dev_info(&pf->pdev->dev, "read <reg>\n"); 1203 goto command_write_done; 1204 } 1205 1206 /* check the range on address */ 1207 if (address > (pf->ioremap_len - sizeof(u32))) { 1208 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1209 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1210 goto command_write_done; 1211 } 1212 1213 value = rd32(&pf->hw, address); 1214 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1215 address, value); 1216 1217 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1218 u32 address, value; 1219 1220 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1221 if (cnt != 2) { 1222 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1223 goto command_write_done; 1224 } 1225 1226 /* check the range on address */ 1227 if (address > (pf->ioremap_len - sizeof(u32))) { 1228 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1229 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1230 goto command_write_done; 1231 } 1232 wr32(&pf->hw, address, value); 1233 value = rd32(&pf->hw, address); 1234 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1235 address, value); 1236 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1237 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1238 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1239 if (cnt == 0) { 1240 int i; 1241 1242 i40e_pf_for_each_vsi(pf, i, vsi) 1243 i40e_vsi_reset_stats(vsi); 1244 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1245 } else if (cnt == 1) { 1246 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1247 if (!vsi) { 1248 dev_info(&pf->pdev->dev, 1249 "clear_stats vsi: bad vsi %d\n", 1250 vsi_seid); 1251 goto command_write_done; 1252 } 1253 i40e_vsi_reset_stats(vsi); 1254 dev_info(&pf->pdev->dev, 1255 "vsi clear stats called for vsi %d\n", 1256 vsi_seid); 1257 } else { 1258 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1259 } 1260 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1261 if (pf->hw.partition_id == 1) { 1262 i40e_pf_reset_stats(pf); 1263 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1264 } else { 1265 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1266 } 1267 } else { 1268 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1269 } 1270 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1271 struct i40e_aq_desc *desc; 1272 int ret; 1273 1274 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1275 if (!desc) 1276 goto command_write_done; 1277 cnt = sscanf(&cmd_buf[11], 1278 "%hi %hi %hi %hi %i %i %i %i %i %i", 1279 &desc->flags, 1280 &desc->opcode, &desc->datalen, &desc->retval, 1281 &desc->cookie_high, &desc->cookie_low, 1282 &desc->params.internal.param0, 1283 &desc->params.internal.param1, 1284 &desc->params.internal.param2, 1285 &desc->params.internal.param3); 1286 if (cnt != 10) { 1287 dev_info(&pf->pdev->dev, 1288 "send aq_cmd: bad command string, cnt=%d\n", 1289 cnt); 1290 kfree(desc); 1291 desc = NULL; 1292 goto command_write_done; 1293 } 1294 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1295 if (!ret) { 1296 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1297 } else if (ret == -EIO) { 1298 dev_info(&pf->pdev->dev, 1299 "AQ command send failed Opcode %x AQ Error: %d\n", 1300 desc->opcode, pf->hw.aq.asq_last_status); 1301 } else { 1302 dev_info(&pf->pdev->dev, 1303 "AQ command send failed Opcode %x Status: %d\n", 1304 desc->opcode, ret); 1305 } 1306 dev_info(&pf->pdev->dev, 1307 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1308 desc->flags, desc->opcode, desc->datalen, desc->retval, 1309 desc->cookie_high, desc->cookie_low, 1310 desc->params.internal.param0, 1311 desc->params.internal.param1, 1312 desc->params.internal.param2, 1313 desc->params.internal.param3); 1314 kfree(desc); 1315 desc = NULL; 1316 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1317 struct i40e_aq_desc *desc; 1318 u16 buffer_len; 1319 u8 *buff; 1320 int ret; 1321 1322 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1323 if (!desc) 1324 goto command_write_done; 1325 cnt = sscanf(&cmd_buf[20], 1326 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1327 &desc->flags, 1328 &desc->opcode, &desc->datalen, &desc->retval, 1329 &desc->cookie_high, &desc->cookie_low, 1330 &desc->params.internal.param0, 1331 &desc->params.internal.param1, 1332 &desc->params.internal.param2, 1333 &desc->params.internal.param3, 1334 &buffer_len); 1335 if (cnt != 11) { 1336 dev_info(&pf->pdev->dev, 1337 "send indirect aq_cmd: bad command string, cnt=%d\n", 1338 cnt); 1339 kfree(desc); 1340 desc = NULL; 1341 goto command_write_done; 1342 } 1343 /* Just stub a buffer big enough in case user messed up */ 1344 if (buffer_len == 0) 1345 buffer_len = 1280; 1346 1347 buff = kzalloc(buffer_len, GFP_KERNEL); 1348 if (!buff) { 1349 kfree(desc); 1350 desc = NULL; 1351 goto command_write_done; 1352 } 1353 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1354 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1355 buffer_len, NULL); 1356 if (!ret) { 1357 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1358 } else if (ret == -EIO) { 1359 dev_info(&pf->pdev->dev, 1360 "AQ command send failed Opcode %x AQ Error: %d\n", 1361 desc->opcode, pf->hw.aq.asq_last_status); 1362 } else { 1363 dev_info(&pf->pdev->dev, 1364 "AQ command send failed Opcode %x Status: %d\n", 1365 desc->opcode, ret); 1366 } 1367 dev_info(&pf->pdev->dev, 1368 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1369 desc->flags, desc->opcode, desc->datalen, desc->retval, 1370 desc->cookie_high, desc->cookie_low, 1371 desc->params.internal.param0, 1372 desc->params.internal.param1, 1373 desc->params.internal.param2, 1374 desc->params.internal.param3); 1375 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1376 DUMP_PREFIX_OFFSET, 16, 1, 1377 buff, buffer_len, true); 1378 kfree(buff); 1379 buff = NULL; 1380 kfree(desc); 1381 desc = NULL; 1382 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1383 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1384 i40e_get_current_fd_count(pf)); 1385 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1386 /* Get main VSI */ 1387 struct i40e_vsi *main_vsi = i40e_pf_get_main_vsi(pf); 1388 1389 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1390 int ret; 1391 1392 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL); 1393 if (ret) { 1394 dev_info(&pf->pdev->dev, 1395 "Stop LLDP AQ command failed =0x%x\n", 1396 pf->hw.aq.asq_last_status); 1397 goto command_write_done; 1398 } 1399 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1400 pf->hw.mac.addr, ETH_P_LLDP, 0, 1401 main_vsi->seid, 0, true, NULL, 1402 NULL); 1403 if (ret) { 1404 dev_info(&pf->pdev->dev, 1405 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1406 __func__, pf->hw.aq.asq_last_status); 1407 goto command_write_done; 1408 } 1409 #ifdef CONFIG_I40E_DCB 1410 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1411 DCB_CAP_DCBX_VER_IEEE; 1412 #endif /* CONFIG_I40E_DCB */ 1413 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1414 int ret; 1415 1416 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1417 pf->hw.mac.addr, ETH_P_LLDP, 0, 1418 main_vsi->seid, 0, false, NULL, 1419 NULL); 1420 if (ret) { 1421 dev_info(&pf->pdev->dev, 1422 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1423 __func__, pf->hw.aq.asq_last_status); 1424 /* Continue and start FW LLDP anyways */ 1425 } 1426 1427 ret = i40e_aq_start_lldp(&pf->hw, false, NULL); 1428 if (ret) { 1429 dev_info(&pf->pdev->dev, 1430 "Start LLDP AQ command failed =0x%x\n", 1431 pf->hw.aq.asq_last_status); 1432 goto command_write_done; 1433 } 1434 #ifdef CONFIG_I40E_DCB 1435 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1436 DCB_CAP_DCBX_VER_IEEE; 1437 #endif /* CONFIG_I40E_DCB */ 1438 } else if (strncmp(&cmd_buf[5], 1439 "get local", 9) == 0) { 1440 u16 llen, rlen; 1441 int ret; 1442 u8 *buff; 1443 1444 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1445 if (!buff) 1446 goto command_write_done; 1447 1448 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1449 I40E_AQ_LLDP_MIB_LOCAL, 1450 buff, I40E_LLDPDU_SIZE, 1451 &llen, &rlen, NULL); 1452 if (ret) { 1453 dev_info(&pf->pdev->dev, 1454 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1455 pf->hw.aq.asq_last_status); 1456 kfree(buff); 1457 buff = NULL; 1458 goto command_write_done; 1459 } 1460 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1461 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1462 DUMP_PREFIX_OFFSET, 16, 1, 1463 buff, I40E_LLDPDU_SIZE, true); 1464 kfree(buff); 1465 buff = NULL; 1466 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1467 u16 llen, rlen; 1468 int ret; 1469 u8 *buff; 1470 1471 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1472 if (!buff) 1473 goto command_write_done; 1474 1475 ret = i40e_aq_get_lldp_mib(&pf->hw, 1476 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1477 I40E_AQ_LLDP_MIB_REMOTE, 1478 buff, I40E_LLDPDU_SIZE, 1479 &llen, &rlen, NULL); 1480 if (ret) { 1481 dev_info(&pf->pdev->dev, 1482 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1483 pf->hw.aq.asq_last_status); 1484 kfree(buff); 1485 buff = NULL; 1486 goto command_write_done; 1487 } 1488 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1489 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1490 DUMP_PREFIX_OFFSET, 16, 1, 1491 buff, I40E_LLDPDU_SIZE, true); 1492 kfree(buff); 1493 buff = NULL; 1494 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1495 int ret; 1496 1497 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1498 true, NULL); 1499 if (ret) { 1500 dev_info(&pf->pdev->dev, 1501 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1502 pf->hw.aq.asq_last_status); 1503 goto command_write_done; 1504 } 1505 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1506 int ret; 1507 1508 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1509 false, NULL); 1510 if (ret) { 1511 dev_info(&pf->pdev->dev, 1512 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1513 pf->hw.aq.asq_last_status); 1514 goto command_write_done; 1515 } 1516 } 1517 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1518 u16 buffer_len, bytes; 1519 u16 module; 1520 u32 offset; 1521 u16 *buff; 1522 int ret; 1523 1524 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1525 &module, &offset, &buffer_len); 1526 if (cnt == 0) { 1527 module = 0; 1528 offset = 0; 1529 buffer_len = 0; 1530 } else if (cnt == 1) { 1531 offset = 0; 1532 buffer_len = 0; 1533 } else if (cnt == 2) { 1534 buffer_len = 0; 1535 } else if (cnt > 3) { 1536 dev_info(&pf->pdev->dev, 1537 "nvm read: bad command string, cnt=%d\n", cnt); 1538 goto command_write_done; 1539 } 1540 1541 /* set the max length */ 1542 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1543 1544 bytes = 2 * buffer_len; 1545 1546 /* read at least 1k bytes, no more than 4kB */ 1547 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1548 buff = kzalloc(bytes, GFP_KERNEL); 1549 if (!buff) 1550 goto command_write_done; 1551 1552 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1553 if (ret) { 1554 dev_info(&pf->pdev->dev, 1555 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1556 ret, pf->hw.aq.asq_last_status); 1557 kfree(buff); 1558 goto command_write_done; 1559 } 1560 1561 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1562 bytes, (u8 *)buff, true, NULL); 1563 i40e_release_nvm(&pf->hw); 1564 if (ret) { 1565 dev_info(&pf->pdev->dev, 1566 "Read NVM AQ failed err=%d status=0x%x\n", 1567 ret, pf->hw.aq.asq_last_status); 1568 } else { 1569 dev_info(&pf->pdev->dev, 1570 "Read NVM module=0x%x offset=0x%x words=%d\n", 1571 module, offset, buffer_len); 1572 if (bytes) 1573 print_hex_dump(KERN_INFO, "NVM Dump: ", 1574 DUMP_PREFIX_OFFSET, 16, 2, 1575 buff, bytes, true); 1576 } 1577 kfree(buff); 1578 buff = NULL; 1579 } else { 1580 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1581 dev_info(&pf->pdev->dev, "available commands\n"); 1582 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1583 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1584 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1585 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1586 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1587 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1588 dev_info(&pf->pdev->dev, " dump switch\n"); 1589 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1590 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1591 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1592 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1593 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1594 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1595 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1596 dev_info(&pf->pdev->dev, " read <reg>\n"); 1597 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1598 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1599 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1600 dev_info(&pf->pdev->dev, " pfr\n"); 1601 dev_info(&pf->pdev->dev, " corer\n"); 1602 dev_info(&pf->pdev->dev, " globr\n"); 1603 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1604 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1605 dev_info(&pf->pdev->dev, " fd current cnt"); 1606 dev_info(&pf->pdev->dev, " lldp start\n"); 1607 dev_info(&pf->pdev->dev, " lldp stop\n"); 1608 dev_info(&pf->pdev->dev, " lldp get local\n"); 1609 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1610 dev_info(&pf->pdev->dev, " lldp event on\n"); 1611 dev_info(&pf->pdev->dev, " lldp event off\n"); 1612 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1613 } 1614 1615 command_write_done: 1616 kfree(cmd_buf); 1617 cmd_buf = NULL; 1618 return count; 1619 } 1620 1621 static const struct file_operations i40e_dbg_command_fops = { 1622 .owner = THIS_MODULE, 1623 .open = simple_open, 1624 .read = i40e_dbg_command_read, 1625 .write = i40e_dbg_command_write, 1626 }; 1627 1628 /************************************************************** 1629 * netdev_ops 1630 * The netdev_ops entry in debugfs is for giving the driver commands 1631 * to be executed from the netdev operations. 1632 **************************************************************/ 1633 static char i40e_dbg_netdev_ops_buf[256] = ""; 1634 1635 /** 1636 * i40e_dbg_netdev_ops_read - read for netdev_ops datum 1637 * @filp: the opened file 1638 * @buffer: where to write the data for the user to read 1639 * @count: the size of the user's buffer 1640 * @ppos: file position offset 1641 **/ 1642 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1643 size_t count, loff_t *ppos) 1644 { 1645 struct i40e_pf *pf = filp->private_data; 1646 struct i40e_vsi *main_vsi; 1647 int bytes_not_copied; 1648 int buf_size = 256; 1649 char *buf; 1650 int len; 1651 1652 /* don't allow partal reads */ 1653 if (*ppos != 0) 1654 return 0; 1655 if (count < buf_size) 1656 return -ENOSPC; 1657 1658 buf = kzalloc(buf_size, GFP_KERNEL); 1659 if (!buf) 1660 return -ENOSPC; 1661 1662 main_vsi = i40e_pf_get_main_vsi(pf); 1663 len = snprintf(buf, buf_size, "%s: %s\n", main_vsi->netdev->name, 1664 i40e_dbg_netdev_ops_buf); 1665 1666 bytes_not_copied = copy_to_user(buffer, buf, len); 1667 kfree(buf); 1668 1669 if (bytes_not_copied) 1670 return -EFAULT; 1671 1672 *ppos = len; 1673 return len; 1674 } 1675 1676 /** 1677 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1678 * @filp: the opened file 1679 * @buffer: where to find the user's data 1680 * @count: the length of the user's data 1681 * @ppos: file position offset 1682 **/ 1683 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1684 const char __user *buffer, 1685 size_t count, loff_t *ppos) 1686 { 1687 struct i40e_pf *pf = filp->private_data; 1688 int bytes_not_copied; 1689 struct i40e_vsi *vsi; 1690 char *buf_tmp; 1691 int vsi_seid; 1692 int i, cnt; 1693 1694 /* don't allow partial writes */ 1695 if (*ppos != 0) 1696 return 0; 1697 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1698 return -ENOSPC; 1699 1700 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1701 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1702 buffer, count); 1703 if (bytes_not_copied) 1704 return -EFAULT; 1705 i40e_dbg_netdev_ops_buf[count] = '\0'; 1706 1707 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1708 if (buf_tmp) { 1709 *buf_tmp = '\0'; 1710 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1711 } 1712 1713 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1714 int mtu; 1715 1716 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1717 &vsi_seid, &mtu); 1718 if (cnt != 2) { 1719 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\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, 1725 "change_mtu: VSI %d not found\n", vsi_seid); 1726 } else if (!vsi->netdev) { 1727 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1728 vsi_seid); 1729 } else if (rtnl_trylock()) { 1730 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1731 mtu); 1732 rtnl_unlock(); 1733 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1734 } else { 1735 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1736 } 1737 1738 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1739 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1740 if (cnt != 1) { 1741 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1742 goto netdev_ops_write_done; 1743 } 1744 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1745 if (!vsi) { 1746 dev_info(&pf->pdev->dev, 1747 "set_rx_mode: VSI %d not found\n", vsi_seid); 1748 } else if (!vsi->netdev) { 1749 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1750 vsi_seid); 1751 } else if (rtnl_trylock()) { 1752 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1753 rtnl_unlock(); 1754 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1755 } else { 1756 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1757 } 1758 1759 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1760 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1761 if (cnt != 1) { 1762 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1763 goto netdev_ops_write_done; 1764 } 1765 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1766 if (!vsi) { 1767 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1768 vsi_seid); 1769 } else if (!vsi->netdev) { 1770 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1771 vsi_seid); 1772 } else { 1773 for (i = 0; i < vsi->num_q_vectors; i++) 1774 napi_schedule(&vsi->q_vectors[i]->napi); 1775 dev_info(&pf->pdev->dev, "napi called\n"); 1776 } 1777 } else { 1778 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1779 i40e_dbg_netdev_ops_buf); 1780 dev_info(&pf->pdev->dev, "available commands\n"); 1781 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1782 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1783 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1784 } 1785 netdev_ops_write_done: 1786 return count; 1787 } 1788 1789 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1790 .owner = THIS_MODULE, 1791 .open = simple_open, 1792 .read = i40e_dbg_netdev_ops_read, 1793 .write = i40e_dbg_netdev_ops_write, 1794 }; 1795 1796 /** 1797 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1798 * @pf: the PF that is starting up 1799 **/ 1800 void i40e_dbg_pf_init(struct i40e_pf *pf) 1801 { 1802 const char *name = pci_name(pf->pdev); 1803 1804 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1805 1806 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1807 &i40e_dbg_command_fops); 1808 1809 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1810 &i40e_dbg_netdev_ops_fops); 1811 } 1812 1813 /** 1814 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1815 * @pf: the PF that is stopping 1816 **/ 1817 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1818 { 1819 debugfs_remove_recursive(pf->i40e_dbg_pf); 1820 pf->i40e_dbg_pf = NULL; 1821 } 1822 1823 /** 1824 * i40e_dbg_init - start up debugfs for the driver 1825 **/ 1826 void i40e_dbg_init(void) 1827 { 1828 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1829 if (IS_ERR(i40e_dbg_root)) 1830 pr_info("init of debugfs failed\n"); 1831 } 1832 1833 /** 1834 * i40e_dbg_exit - clean out the driver's debugfs entries 1835 **/ 1836 void i40e_dbg_exit(void) 1837 { 1838 debugfs_remove_recursive(i40e_dbg_root); 1839 i40e_dbg_root = NULL; 1840 } 1841 1842 #endif /* CONFIG_DEBUG_FS */ 1843