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 44 static char *i40e_filter_state_string[] = { 45 "INVALID", 46 "NEW", 47 "ACTIVE", 48 "FAILED", 49 "REMOVE", 50 "NEW_SYNC", 51 }; 52 53 /** 54 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 55 * @pf: the i40e_pf created in command write 56 * @seid: the seid the user put in 57 **/ 58 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 59 { 60 struct rtnl_link_stats64 *nstat; 61 struct i40e_mac_filter *f; 62 struct i40e_vsi *vsi; 63 int i, bkt; 64 65 vsi = i40e_dbg_find_vsi(pf, seid); 66 if (!vsi) { 67 dev_info(&pf->pdev->dev, 68 "dump %d: seid not found\n", seid); 69 return; 70 } 71 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 72 if (vsi->netdev) { 73 struct net_device *nd = vsi->netdev; 74 75 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 76 nd->name, nd->state, nd->flags); 77 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 78 (unsigned long int)nd->features); 79 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 80 (unsigned long int)nd->hw_features); 81 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 82 (unsigned long int)nd->vlan_features); 83 } 84 dev_info(&pf->pdev->dev, 85 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 86 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); 87 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) 88 dev_info(&pf->pdev->dev, 89 " state[%d] = %08lx\n", 90 i, vsi->state[i]); 91 if (vsi->type == I40E_VSI_MAIN) 92 dev_info(&pf->pdev->dev, " MAC address: %pM Port MAC: %pM\n", 93 pf->hw.mac.addr, 94 pf->hw.mac.port_addr); 95 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { 96 dev_info(&pf->pdev->dev, 97 " mac_filter_hash: %pM vid=%d, state %s\n", 98 f->macaddr, f->vlan, 99 i40e_filter_state_string[f->state]); 100 } 101 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n", 102 vsi->active_filters, vsi->promisc_threshold, 103 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ? 104 "ON" : "OFF")); 105 nstat = i40e_get_vsi_stats_struct(vsi); 106 dev_info(&pf->pdev->dev, 107 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 108 (unsigned long int)nstat->rx_packets, 109 (unsigned long int)nstat->rx_bytes, 110 (unsigned long int)nstat->rx_errors, 111 (unsigned long int)nstat->rx_dropped); 112 dev_info(&pf->pdev->dev, 113 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 114 (unsigned long int)nstat->tx_packets, 115 (unsigned long int)nstat->tx_bytes, 116 (unsigned long int)nstat->tx_errors, 117 (unsigned long int)nstat->tx_dropped); 118 dev_info(&pf->pdev->dev, 119 " net_stats: multicast = %lu, collisions = %lu\n", 120 (unsigned long int)nstat->multicast, 121 (unsigned long int)nstat->collisions); 122 dev_info(&pf->pdev->dev, 123 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 124 (unsigned long int)nstat->rx_length_errors, 125 (unsigned long int)nstat->rx_over_errors, 126 (unsigned long int)nstat->rx_crc_errors); 127 dev_info(&pf->pdev->dev, 128 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 129 (unsigned long int)nstat->rx_frame_errors, 130 (unsigned long int)nstat->rx_fifo_errors, 131 (unsigned long int)nstat->rx_missed_errors); 132 dev_info(&pf->pdev->dev, 133 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 134 (unsigned long int)nstat->tx_aborted_errors, 135 (unsigned long int)nstat->tx_carrier_errors, 136 (unsigned long int)nstat->tx_fifo_errors); 137 dev_info(&pf->pdev->dev, 138 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 139 (unsigned long int)nstat->tx_heartbeat_errors, 140 (unsigned long int)nstat->tx_window_errors); 141 dev_info(&pf->pdev->dev, 142 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 143 (unsigned long int)nstat->rx_compressed, 144 (unsigned long int)nstat->tx_compressed); 145 dev_info(&pf->pdev->dev, 146 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 147 (unsigned long int)vsi->net_stats_offsets.rx_packets, 148 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 149 (unsigned long int)vsi->net_stats_offsets.rx_errors, 150 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 151 dev_info(&pf->pdev->dev, 152 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 153 (unsigned long int)vsi->net_stats_offsets.tx_packets, 154 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 155 (unsigned long int)vsi->net_stats_offsets.tx_errors, 156 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 157 dev_info(&pf->pdev->dev, 158 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 159 (unsigned long int)vsi->net_stats_offsets.multicast, 160 (unsigned long int)vsi->net_stats_offsets.collisions); 161 dev_info(&pf->pdev->dev, 162 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 163 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 164 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 165 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 166 dev_info(&pf->pdev->dev, 167 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 168 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 169 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 170 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 171 dev_info(&pf->pdev->dev, 172 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 173 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 174 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 175 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 176 dev_info(&pf->pdev->dev, 177 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 178 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 179 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 180 dev_info(&pf->pdev->dev, 181 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 182 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 183 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 184 dev_info(&pf->pdev->dev, 185 " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n", 186 vsi->tx_restart, vsi->tx_busy, 187 vsi->rx_buf_failed, vsi->rx_page_failed); 188 rcu_read_lock(); 189 for (i = 0; i < vsi->num_queue_pairs; i++) { 190 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); 191 192 if (!rx_ring) 193 continue; 194 195 dev_info(&pf->pdev->dev, 196 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 197 i, *rx_ring->state, 198 rx_ring->queue_index, 199 rx_ring->reg_idx); 200 dev_info(&pf->pdev->dev, 201 " rx_rings[%i]: rx_buf_len = %d\n", 202 i, rx_ring->rx_buf_len); 203 dev_info(&pf->pdev->dev, 204 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 205 i, 206 rx_ring->next_to_use, 207 rx_ring->next_to_clean, 208 rx_ring->ring_active); 209 dev_info(&pf->pdev->dev, 210 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 211 i, rx_ring->stats.packets, 212 rx_ring->stats.bytes, 213 rx_ring->rx_stats.non_eop_descs); 214 dev_info(&pf->pdev->dev, 215 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 216 i, 217 rx_ring->rx_stats.alloc_page_failed, 218 rx_ring->rx_stats.alloc_buff_failed); 219 dev_info(&pf->pdev->dev, 220 " rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n", 221 i, 222 rx_ring->rx_stats.page_reuse_count); 223 dev_info(&pf->pdev->dev, 224 " rx_rings[%i]: size = %i\n", 225 i, rx_ring->size); 226 dev_info(&pf->pdev->dev, 227 " rx_rings[%i]: itr_setting = %d (%s)\n", 228 i, rx_ring->itr_setting, 229 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed"); 230 } 231 for (i = 0; i < vsi->num_queue_pairs; i++) { 232 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); 233 234 if (!tx_ring) 235 continue; 236 237 dev_info(&pf->pdev->dev, 238 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 239 i, *tx_ring->state, 240 tx_ring->queue_index, 241 tx_ring->reg_idx); 242 dev_info(&pf->pdev->dev, 243 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 244 i, 245 tx_ring->next_to_use, 246 tx_ring->next_to_clean, 247 tx_ring->ring_active); 248 dev_info(&pf->pdev->dev, 249 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 250 i, tx_ring->stats.packets, 251 tx_ring->stats.bytes, 252 tx_ring->tx_stats.restart_queue); 253 dev_info(&pf->pdev->dev, 254 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld, tx_stopped = %lld\n", 255 i, 256 tx_ring->tx_stats.tx_busy, 257 tx_ring->tx_stats.tx_done_old, 258 tx_ring->tx_stats.tx_stopped); 259 dev_info(&pf->pdev->dev, 260 " tx_rings[%i]: size = %i\n", 261 i, tx_ring->size); 262 dev_info(&pf->pdev->dev, 263 " tx_rings[%i]: DCB tc = %d\n", 264 i, tx_ring->dcb_tc); 265 dev_info(&pf->pdev->dev, 266 " tx_rings[%i]: itr_setting = %d (%s)\n", 267 i, tx_ring->itr_setting, 268 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed"); 269 } 270 if (i40e_enabled_xdp_vsi(vsi)) { 271 for (i = 0; i < vsi->num_queue_pairs; i++) { 272 struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]); 273 274 if (!xdp_ring) 275 continue; 276 277 dev_info(&pf->pdev->dev, 278 " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 279 i, *xdp_ring->state, 280 xdp_ring->queue_index, 281 xdp_ring->reg_idx); 282 dev_info(&pf->pdev->dev, 283 " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 284 i, 285 xdp_ring->next_to_use, 286 xdp_ring->next_to_clean, 287 xdp_ring->ring_active); 288 dev_info(&pf->pdev->dev, 289 " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 290 i, xdp_ring->stats.packets, 291 xdp_ring->stats.bytes, 292 xdp_ring->tx_stats.restart_queue); 293 dev_info(&pf->pdev->dev, 294 " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 295 i, 296 xdp_ring->tx_stats.tx_busy, 297 xdp_ring->tx_stats.tx_done_old); 298 dev_info(&pf->pdev->dev, 299 " xdp_rings[%i]: size = %i\n", 300 i, xdp_ring->size); 301 dev_info(&pf->pdev->dev, 302 " xdp_rings[%i]: DCB tc = %d\n", 303 i, xdp_ring->dcb_tc); 304 dev_info(&pf->pdev->dev, 305 " xdp_rings[%i]: itr_setting = %d (%s)\n", 306 i, xdp_ring->itr_setting, 307 ITR_IS_DYNAMIC(xdp_ring->itr_setting) ? 308 "dynamic" : "fixed"); 309 } 310 } 311 rcu_read_unlock(); 312 dev_info(&pf->pdev->dev, 313 " work_limit = %d\n", 314 vsi->work_limit); 315 dev_info(&pf->pdev->dev, 316 " max_frame = %d, rx_buf_len = %d dtype = %d\n", 317 vsi->max_frame, vsi->rx_buf_len, 0); 318 dev_info(&pf->pdev->dev, 319 " num_q_vectors = %i, base_vector = %i\n", 320 vsi->num_q_vectors, vsi->base_vector); 321 dev_info(&pf->pdev->dev, 322 " seid = %d, id = %d, uplink_seid = %d\n", 323 vsi->seid, vsi->id, vsi->uplink_seid); 324 dev_info(&pf->pdev->dev, 325 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n", 326 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc, 327 vsi->num_rx_desc); 328 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 329 if (vsi->type == I40E_VSI_SRIOV) 330 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id); 331 dev_info(&pf->pdev->dev, 332 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 333 vsi->info.valid_sections, vsi->info.switch_id); 334 dev_info(&pf->pdev->dev, 335 " info: sw_reserved[] = 0x%02x 0x%02x\n", 336 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 337 dev_info(&pf->pdev->dev, 338 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 339 vsi->info.sec_flags, vsi->info.sec_reserved); 340 dev_info(&pf->pdev->dev, 341 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 342 vsi->info.pvid, vsi->info.fcoe_pvid, 343 vsi->info.port_vlan_flags); 344 dev_info(&pf->pdev->dev, 345 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 346 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 347 vsi->info.pvlan_reserved[2]); 348 dev_info(&pf->pdev->dev, 349 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 350 vsi->info.ingress_table, vsi->info.egress_table); 351 dev_info(&pf->pdev->dev, 352 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 353 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 354 vsi->info.cas_pv_reserved); 355 dev_info(&pf->pdev->dev, 356 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 357 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 358 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 359 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 360 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 361 dev_info(&pf->pdev->dev, 362 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 363 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 364 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 365 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 366 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 367 dev_info(&pf->pdev->dev, 368 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 369 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 370 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 371 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 372 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 373 dev_info(&pf->pdev->dev, 374 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 375 vsi->info.queueing_opt_flags, 376 vsi->info.queueing_opt_reserved[0], 377 vsi->info.queueing_opt_reserved[1], 378 vsi->info.queueing_opt_reserved[2]); 379 dev_info(&pf->pdev->dev, 380 " info: up_enable_bits = 0x%02x\n", 381 vsi->info.up_enable_bits); 382 dev_info(&pf->pdev->dev, 383 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 384 vsi->info.sched_reserved, vsi->info.outer_up_table); 385 dev_info(&pf->pdev->dev, 386 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 387 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 388 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 389 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 390 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 391 dev_info(&pf->pdev->dev, 392 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 393 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 394 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 395 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 396 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 397 dev_info(&pf->pdev->dev, 398 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 399 vsi->info.stat_counter_idx, vsi->info.sched_id); 400 dev_info(&pf->pdev->dev, 401 " 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", 402 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 403 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 404 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 405 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 406 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 407 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 408 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 409 dev_info(&pf->pdev->dev, 410 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 411 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 412 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 413 dev_info(&pf->pdev->dev, 414 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 415 i, vsi->tc_config.tc_info[i].qoffset, 416 vsi->tc_config.tc_info[i].qcount, 417 vsi->tc_config.tc_info[i].netdev_tc); 418 } 419 dev_info(&pf->pdev->dev, 420 " bw: bw_limit = %d, bw_max_quanta = %d\n", 421 vsi->bw_limit, vsi->bw_max_quanta); 422 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 423 dev_info(&pf->pdev->dev, 424 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 425 i, vsi->bw_ets_share_credits[i], 426 vsi->bw_ets_limit_credits[i], 427 vsi->bw_ets_max_quanta[i]); 428 } 429 } 430 431 /** 432 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 433 * @pf: the i40e_pf created in command write 434 **/ 435 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 436 { 437 struct i40e_adminq_ring *ring; 438 struct i40e_hw *hw = &pf->hw; 439 char hdr[32]; 440 int i; 441 442 snprintf(hdr, sizeof(hdr), "%s %s: ", 443 dev_driver_string(&pf->pdev->dev), 444 dev_name(&pf->pdev->dev)); 445 446 /* first the send (command) ring, then the receive (event) ring */ 447 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 448 ring = &(hw->aq.asq); 449 for (i = 0; i < ring->count; i++) { 450 struct libie_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 451 452 dev_info(&pf->pdev->dev, 453 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 454 i, d->flags, d->opcode, d->datalen, d->retval, 455 d->cookie_high, d->cookie_low); 456 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 457 16, 1, d->params.raw, 16, 0); 458 } 459 460 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 461 ring = &(hw->aq.arq); 462 for (i = 0; i < ring->count; i++) { 463 struct libie_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 464 465 dev_info(&pf->pdev->dev, 466 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 467 i, d->flags, d->opcode, d->datalen, d->retval, 468 d->cookie_high, d->cookie_low); 469 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 470 16, 1, d->params.raw, 16, 0); 471 } 472 } 473 474 /** 475 * i40e_dbg_dump_desc - handles dump desc write into command datum 476 * @cnt: number of arguments that the user supplied 477 * @vsi_seid: vsi id entered by user 478 * @ring_id: ring id entered by user 479 * @desc_n: descriptor number entered by user 480 * @pf: the i40e_pf created in command write 481 * @type: enum describing whether ring is RX, TX or XDP 482 **/ 483 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 484 struct i40e_pf *pf, enum ring_type type) 485 { 486 bool is_rx_ring = type == RING_TYPE_RX; 487 struct i40e_tx_desc *txd; 488 union i40e_rx_desc *rxd; 489 struct i40e_ring *ring; 490 struct i40e_vsi *vsi; 491 int i; 492 493 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 494 if (!vsi) { 495 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 496 return; 497 } 498 if (vsi->type != I40E_VSI_MAIN && 499 vsi->type != I40E_VSI_FDIR && 500 vsi->type != I40E_VSI_VMDQ2) { 501 dev_info(&pf->pdev->dev, 502 "vsi %d type %d descriptor rings not available\n", 503 vsi_seid, vsi->type); 504 return; 505 } 506 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { 507 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid); 508 return; 509 } 510 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 511 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 512 return; 513 } 514 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 515 dev_info(&pf->pdev->dev, 516 "descriptor rings have not been allocated for vsi %d\n", 517 vsi_seid); 518 return; 519 } 520 521 switch (type) { 522 case RING_TYPE_RX: 523 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 524 break; 525 case RING_TYPE_TX: 526 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 527 break; 528 case RING_TYPE_XDP: 529 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); 530 break; 531 default: 532 ring = NULL; 533 break; 534 } 535 if (!ring) 536 return; 537 538 if (cnt == 2) { 539 switch (type) { 540 case RING_TYPE_RX: 541 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id); 542 break; 543 case RING_TYPE_TX: 544 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id); 545 break; 546 case RING_TYPE_XDP: 547 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id); 548 break; 549 } 550 for (i = 0; i < ring->count; i++) { 551 if (!is_rx_ring) { 552 txd = I40E_TX_DESC(ring, i); 553 dev_info(&pf->pdev->dev, 554 " d[%03x] = 0x%016llx 0x%016llx\n", 555 i, txd->buffer_addr, 556 txd->cmd_type_offset_bsz); 557 } else { 558 rxd = I40E_RX_DESC(ring, i); 559 dev_info(&pf->pdev->dev, 560 " d[%03x] = 0x%016llx 0x%016llx\n", 561 i, rxd->read.pkt_addr, 562 rxd->read.hdr_addr); 563 } 564 } 565 } else if (cnt == 3) { 566 if (desc_n >= ring->count || desc_n < 0) { 567 dev_info(&pf->pdev->dev, 568 "descriptor %d not found\n", desc_n); 569 goto out; 570 } 571 if (!is_rx_ring) { 572 txd = I40E_TX_DESC(ring, desc_n); 573 dev_info(&pf->pdev->dev, 574 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 575 vsi_seid, ring_id, desc_n, 576 txd->buffer_addr, txd->cmd_type_offset_bsz); 577 } else { 578 rxd = I40E_RX_DESC(ring, desc_n); 579 dev_info(&pf->pdev->dev, 580 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 581 vsi_seid, ring_id, desc_n, 582 rxd->read.pkt_addr, rxd->read.hdr_addr); 583 } 584 } else { 585 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 586 } 587 588 out: 589 kfree(ring); 590 } 591 592 /** 593 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 594 * @pf: the i40e_pf created in command write 595 **/ 596 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 597 { 598 struct i40e_vsi *vsi; 599 int i; 600 601 i40e_pf_for_each_vsi(pf, i, vsi) 602 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", i, vsi->seid); 603 } 604 605 /** 606 * i40e_dbg_dump_eth_stats - handles dump stats write into command datum 607 * @pf: the i40e_pf created in command write 608 * @estats: the eth stats structure to be dumped 609 **/ 610 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 611 struct i40e_eth_stats *estats) 612 { 613 dev_info(&pf->pdev->dev, " ethstats:\n"); 614 dev_info(&pf->pdev->dev, 615 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 616 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 617 dev_info(&pf->pdev->dev, 618 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 619 estats->rx_broadcast, estats->rx_discards); 620 dev_info(&pf->pdev->dev, 621 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 622 estats->rx_unknown_protocol, estats->tx_bytes); 623 dev_info(&pf->pdev->dev, 624 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 625 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 626 dev_info(&pf->pdev->dev, 627 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 628 estats->tx_discards, estats->tx_errors); 629 } 630 631 /** 632 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 633 * @pf: the i40e_pf created in command write 634 * @seid: the seid the user put in 635 **/ 636 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 637 { 638 struct i40e_veb *veb; 639 640 veb = i40e_pf_get_veb_by_seid(pf, seid); 641 if (!veb) { 642 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 643 return; 644 } 645 dev_info(&pf->pdev->dev, 646 "veb idx=%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 647 veb->idx, veb->stats_idx, veb->seid, veb->uplink_seid, 648 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 649 i40e_dbg_dump_eth_stats(pf, &veb->stats); 650 } 651 652 /** 653 * i40e_dbg_dump_veb_all - dumps all known veb's stats 654 * @pf: the i40e_pf created in command write 655 **/ 656 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 657 { 658 struct i40e_veb *veb; 659 int i; 660 661 i40e_pf_for_each_veb(pf, i, veb) 662 i40e_dbg_dump_veb_seid(pf, veb->seid); 663 } 664 665 /** 666 * i40e_dbg_dump_vf - dump VF info 667 * @pf: the i40e_pf created in command write 668 * @vf_id: the vf_id from the user 669 **/ 670 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 671 { 672 struct i40e_vf *vf; 673 struct i40e_vsi *vsi; 674 675 if (!pf->num_alloc_vfs) { 676 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 677 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 678 vf = &pf->vf[vf_id]; 679 vsi = pf->vsi[vf->lan_vsi_idx]; 680 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 681 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 682 dev_info(&pf->pdev->dev, " num MDD=%lld\n", 683 vf->mdd_tx_events.count + vf->mdd_rx_events.count); 684 } else { 685 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 686 } 687 } 688 689 /** 690 * i40e_dbg_dump_vf_all - dump VF info for all VFs 691 * @pf: the i40e_pf created in command write 692 **/ 693 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 694 { 695 int i; 696 697 if (!pf->num_alloc_vfs) 698 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 699 else 700 for (i = 0; i < pf->num_alloc_vfs; i++) 701 i40e_dbg_dump_vf(pf, i); 702 } 703 704 /** 705 * i40e_dbg_command_write - write into command datum 706 * @filp: the opened file 707 * @buffer: where to find the user's data 708 * @count: the length of the user's data 709 * @ppos: file position offset 710 **/ 711 static ssize_t i40e_dbg_command_write(struct file *filp, 712 const char __user *buffer, 713 size_t count, loff_t *ppos) 714 { 715 struct i40e_pf *pf = filp->private_data; 716 char *cmd_buf, *cmd_buf_tmp; 717 int bytes_not_copied; 718 struct i40e_vsi *vsi; 719 int vsi_seid; 720 int veb_seid; 721 int vf_id; 722 int cnt; 723 724 /* don't allow partial writes */ 725 if (*ppos != 0) 726 return 0; 727 728 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 729 if (!cmd_buf) 730 return count; 731 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 732 if (bytes_not_copied) { 733 kfree(cmd_buf); 734 return -EFAULT; 735 } 736 cmd_buf[count] = '\0'; 737 738 cmd_buf_tmp = strchr(cmd_buf, '\n'); 739 if (cmd_buf_tmp) { 740 *cmd_buf_tmp = '\0'; 741 count = cmd_buf_tmp - cmd_buf + 1; 742 } 743 744 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 745 vsi_seid = -1; 746 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 747 if (cnt == 0) { 748 /* default to PF VSI */ 749 vsi = i40e_pf_get_main_vsi(pf); 750 vsi_seid = vsi->seid; 751 } else if (vsi_seid < 0) { 752 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 753 vsi_seid); 754 goto command_write_done; 755 } 756 757 /* By default we are in VEPA mode, if this is the first VF/VMDq 758 * VSI to be added switch to VEB mode. 759 */ 760 if (!test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags)) { 761 set_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags); 762 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 763 } 764 765 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 766 if (vsi) 767 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 768 vsi->seid, vsi->uplink_seid); 769 else 770 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 771 772 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 773 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 774 if (cnt != 1) { 775 dev_info(&pf->pdev->dev, 776 "del vsi: bad command string, cnt=%d\n", 777 cnt); 778 goto command_write_done; 779 } 780 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 781 if (!vsi) { 782 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 783 vsi_seid); 784 goto command_write_done; 785 } 786 787 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 788 i40e_vsi_release(vsi); 789 790 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 791 struct i40e_veb *veb; 792 u8 enabled_tc = 0x1; 793 int uplink_seid; 794 795 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 796 if (cnt == 0) { 797 uplink_seid = 0; 798 vsi_seid = 0; 799 } else if (cnt != 2) { 800 dev_info(&pf->pdev->dev, 801 "add relay: bad command string, cnt=%d\n", 802 cnt); 803 goto command_write_done; 804 } else if (uplink_seid < 0) { 805 dev_info(&pf->pdev->dev, 806 "add relay %d: bad uplink seid\n", 807 uplink_seid); 808 goto command_write_done; 809 } 810 811 if (uplink_seid != 0 && uplink_seid != pf->mac_seid) { 812 dev_info(&pf->pdev->dev, 813 "add relay: relay uplink %d not found\n", 814 uplink_seid); 815 goto command_write_done; 816 } else if (uplink_seid) { 817 vsi = i40e_pf_get_vsi_by_seid(pf, vsi_seid); 818 if (!vsi) { 819 dev_info(&pf->pdev->dev, 820 "add relay: VSI %d not found\n", 821 vsi_seid); 822 goto command_write_done; 823 } 824 enabled_tc = vsi->tc_config.enabled_tc; 825 } else if (vsi_seid) { 826 dev_info(&pf->pdev->dev, 827 "add relay: VSI must be 0 for floating relay\n"); 828 goto command_write_done; 829 } 830 831 veb = i40e_veb_setup(pf, uplink_seid, vsi_seid, enabled_tc); 832 if (veb) 833 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 834 else 835 dev_info(&pf->pdev->dev, "add relay failed\n"); 836 837 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 838 struct i40e_veb *veb; 839 int i; 840 841 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 842 if (cnt != 1) { 843 dev_info(&pf->pdev->dev, 844 "del relay: bad command string, cnt=%d\n", 845 cnt); 846 goto command_write_done; 847 } else if (veb_seid < 0) { 848 dev_info(&pf->pdev->dev, 849 "del relay %d: bad relay seid\n", veb_seid); 850 goto command_write_done; 851 } 852 853 /* find the veb */ 854 i40e_pf_for_each_veb(pf, i, veb) 855 if (veb->seid == veb_seid) 856 break; 857 858 if (i >= I40E_MAX_VEB) { 859 dev_info(&pf->pdev->dev, 860 "del relay: relay %d not found\n", veb_seid); 861 goto command_write_done; 862 } 863 864 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 865 i40e_veb_release(veb); 866 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 867 unsigned int v; 868 int ret; 869 u16 vid; 870 871 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 872 if (cnt != 2) { 873 dev_info(&pf->pdev->dev, 874 "add pvid: bad command string, cnt=%d\n", cnt); 875 goto command_write_done; 876 } 877 878 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 879 if (!vsi) { 880 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 881 vsi_seid); 882 goto command_write_done; 883 } 884 885 vid = v; 886 ret = i40e_vsi_add_pvid(vsi, vid); 887 if (!ret) 888 dev_info(&pf->pdev->dev, 889 "add pvid: %d added to VSI %d\n", 890 vid, vsi_seid); 891 else 892 dev_info(&pf->pdev->dev, 893 "add pvid: %d to VSI %d failed, ret=%d\n", 894 vid, vsi_seid, ret); 895 896 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 897 898 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 899 if (cnt != 1) { 900 dev_info(&pf->pdev->dev, 901 "del pvid: bad command string, cnt=%d\n", 902 cnt); 903 goto command_write_done; 904 } 905 906 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 907 if (!vsi) { 908 dev_info(&pf->pdev->dev, 909 "del pvid: VSI %d not found\n", vsi_seid); 910 goto command_write_done; 911 } 912 913 i40e_vsi_remove_pvid(vsi); 914 dev_info(&pf->pdev->dev, 915 "del pvid: removed from VSI %d\n", vsi_seid); 916 917 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 918 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 919 i40e_fetch_switch_configuration(pf, true); 920 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 921 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 922 if (cnt > 0) 923 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 924 else 925 i40e_dbg_dump_vsi_no_seid(pf); 926 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 927 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 928 if (cnt > 0) 929 i40e_dbg_dump_veb_seid(pf, vsi_seid); 930 else 931 i40e_dbg_dump_veb_all(pf); 932 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 933 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 934 if (cnt > 0) 935 i40e_dbg_dump_vf(pf, vf_id); 936 else 937 i40e_dbg_dump_vf_all(pf); 938 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 939 int ring_id, desc_n; 940 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 941 cnt = sscanf(&cmd_buf[12], "%i %i %i", 942 &vsi_seid, &ring_id, &desc_n); 943 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 944 desc_n, pf, RING_TYPE_RX); 945 } else if (strncmp(&cmd_buf[10], "tx", 2) 946 == 0) { 947 cnt = sscanf(&cmd_buf[12], "%i %i %i", 948 &vsi_seid, &ring_id, &desc_n); 949 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 950 desc_n, pf, RING_TYPE_TX); 951 } else if (strncmp(&cmd_buf[10], "xdp", 3) 952 == 0) { 953 cnt = sscanf(&cmd_buf[13], "%i %i %i", 954 &vsi_seid, &ring_id, &desc_n); 955 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 956 desc_n, pf, RING_TYPE_XDP); 957 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 958 i40e_dbg_dump_aq_desc(pf); 959 } else { 960 dev_info(&pf->pdev->dev, 961 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 962 dev_info(&pf->pdev->dev, 963 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 964 dev_info(&pf->pdev->dev, 965 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 966 dev_info(&pf->pdev->dev, "dump desc aq\n"); 967 } 968 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 969 dev_info(&pf->pdev->dev, 970 "core reset count: %d\n", pf->corer_count); 971 dev_info(&pf->pdev->dev, 972 "global reset count: %d\n", pf->globr_count); 973 dev_info(&pf->pdev->dev, 974 "emp reset count: %d\n", pf->empr_count); 975 dev_info(&pf->pdev->dev, 976 "pf reset count: %d\n", pf->pfr_count); 977 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 978 struct i40e_aqc_query_port_ets_config_resp *bw_data; 979 struct i40e_dcbx_config *cfg = 980 &pf->hw.local_dcbx_config; 981 struct i40e_dcbx_config *r_cfg = 982 &pf->hw.remote_dcbx_config; 983 int i, ret; 984 u16 switch_id; 985 986 bw_data = kzalloc_obj(struct i40e_aqc_query_port_ets_config_resp, 987 GFP_KERNEL); 988 if (!bw_data) { 989 ret = -ENOMEM; 990 goto command_write_done; 991 } 992 993 vsi = i40e_pf_get_main_vsi(pf); 994 switch_id = 995 le16_to_cpu(vsi->info.switch_id) & 996 I40E_AQ_VSI_SW_ID_MASK; 997 998 ret = i40e_aq_query_port_ets_config(&pf->hw, 999 switch_id, 1000 bw_data, NULL); 1001 if (ret) { 1002 dev_info(&pf->pdev->dev, 1003 "Query Port ETS Config AQ command failed =0x%x\n", 1004 pf->hw.aq.asq_last_status); 1005 kfree(bw_data); 1006 bw_data = NULL; 1007 goto command_write_done; 1008 } 1009 dev_info(&pf->pdev->dev, 1010 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1011 bw_data->tc_valid_bits, 1012 bw_data->tc_strict_priority_bits, 1013 le16_to_cpu(bw_data->tc_bw_max[0]), 1014 le16_to_cpu(bw_data->tc_bw_max[1])); 1015 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1016 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1017 bw_data->tc_bw_share_credits[i], 1018 le16_to_cpu(bw_data->tc_bw_limits[i])); 1019 } 1020 1021 kfree(bw_data); 1022 bw_data = NULL; 1023 1024 dev_info(&pf->pdev->dev, 1025 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1026 dev_info(&pf->pdev->dev, 1027 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1028 cfg->etscfg.willing, cfg->etscfg.cbs, 1029 cfg->etscfg.maxtcs); 1030 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1031 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1032 i, cfg->etscfg.prioritytable[i], 1033 cfg->etscfg.tcbwtable[i], 1034 cfg->etscfg.tsatable[i]); 1035 } 1036 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1037 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1038 i, cfg->etsrec.prioritytable[i], 1039 cfg->etsrec.tcbwtable[i], 1040 cfg->etsrec.tsatable[i]); 1041 } 1042 dev_info(&pf->pdev->dev, 1043 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1044 cfg->pfc.willing, cfg->pfc.mbc, 1045 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1046 dev_info(&pf->pdev->dev, 1047 "port app_table: num_apps=%d\n", cfg->numapps); 1048 for (i = 0; i < cfg->numapps; i++) { 1049 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1050 i, cfg->app[i].priority, 1051 cfg->app[i].selector, 1052 cfg->app[i].protocolid); 1053 } 1054 /* Peer TLV DCBX data */ 1055 dev_info(&pf->pdev->dev, 1056 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1057 r_cfg->etscfg.willing, 1058 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1059 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1060 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1061 i, r_cfg->etscfg.prioritytable[i], 1062 r_cfg->etscfg.tcbwtable[i], 1063 r_cfg->etscfg.tsatable[i]); 1064 } 1065 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1066 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1067 i, r_cfg->etsrec.prioritytable[i], 1068 r_cfg->etsrec.tcbwtable[i], 1069 r_cfg->etsrec.tsatable[i]); 1070 } 1071 dev_info(&pf->pdev->dev, 1072 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1073 r_cfg->pfc.willing, 1074 r_cfg->pfc.mbc, 1075 r_cfg->pfc.pfccap, 1076 r_cfg->pfc.pfcenable); 1077 dev_info(&pf->pdev->dev, 1078 "remote port app_table: num_apps=%d\n", 1079 r_cfg->numapps); 1080 for (i = 0; i < r_cfg->numapps; i++) { 1081 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1082 i, r_cfg->app[i].priority, 1083 r_cfg->app[i].selector, 1084 r_cfg->app[i].protocolid); 1085 } 1086 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1087 int cluster_id, table_id; 1088 int index, ret; 1089 u16 buff_len = 4096; 1090 u32 next_index; 1091 u8 next_table; 1092 u8 *buff; 1093 u16 rlen; 1094 1095 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1096 &cluster_id, &table_id, &index); 1097 if (cnt != 3) { 1098 dev_info(&pf->pdev->dev, 1099 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1100 goto command_write_done; 1101 } 1102 1103 dev_info(&pf->pdev->dev, 1104 "AQ debug dump fwdata params %x %x %x %x\n", 1105 cluster_id, table_id, index, buff_len); 1106 buff = kzalloc(buff_len, GFP_KERNEL); 1107 if (!buff) 1108 goto command_write_done; 1109 1110 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1111 index, buff_len, buff, &rlen, 1112 &next_table, &next_index, 1113 NULL); 1114 if (ret) { 1115 dev_info(&pf->pdev->dev, 1116 "debug dump fwdata AQ Failed %d 0x%x\n", 1117 ret, pf->hw.aq.asq_last_status); 1118 kfree(buff); 1119 buff = NULL; 1120 goto command_write_done; 1121 } 1122 dev_info(&pf->pdev->dev, 1123 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1124 rlen, next_table, next_index); 1125 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1126 DUMP_PREFIX_OFFSET, 16, 1, 1127 buff, rlen, true); 1128 kfree(buff); 1129 buff = NULL; 1130 } else { 1131 dev_info(&pf->pdev->dev, 1132 "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"); 1133 dev_info(&pf->pdev->dev, "dump switch\n"); 1134 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1135 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1136 dev_info(&pf->pdev->dev, "dump port\n"); 1137 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1138 dev_info(&pf->pdev->dev, 1139 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1140 } 1141 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1142 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1143 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1144 1145 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1146 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1147 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1148 1149 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1150 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1151 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1152 1153 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1154 u32 address; 1155 u32 value; 1156 1157 cnt = sscanf(&cmd_buf[4], "%i", &address); 1158 if (cnt != 1) { 1159 dev_info(&pf->pdev->dev, "read <reg>\n"); 1160 goto command_write_done; 1161 } 1162 1163 /* check the range on address */ 1164 if (address > (pf->ioremap_len - sizeof(u32))) { 1165 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1166 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1167 goto command_write_done; 1168 } 1169 1170 value = rd32(&pf->hw, address); 1171 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1172 address, value); 1173 1174 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1175 u32 address, value; 1176 1177 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1178 if (cnt != 2) { 1179 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1180 goto command_write_done; 1181 } 1182 1183 /* check the range on address */ 1184 if (address > (pf->ioremap_len - sizeof(u32))) { 1185 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1186 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1187 goto command_write_done; 1188 } 1189 wr32(&pf->hw, address, value); 1190 value = rd32(&pf->hw, address); 1191 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1192 address, value); 1193 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1194 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1195 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1196 if (cnt == 0) { 1197 int i; 1198 1199 i40e_pf_for_each_vsi(pf, i, vsi) 1200 i40e_vsi_reset_stats(vsi); 1201 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1202 } else if (cnt == 1) { 1203 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1204 if (!vsi) { 1205 dev_info(&pf->pdev->dev, 1206 "clear_stats vsi: bad vsi %d\n", 1207 vsi_seid); 1208 goto command_write_done; 1209 } 1210 i40e_vsi_reset_stats(vsi); 1211 dev_info(&pf->pdev->dev, 1212 "vsi clear stats called for vsi %d\n", 1213 vsi_seid); 1214 } else { 1215 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1216 } 1217 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1218 if (pf->hw.partition_id == 1) { 1219 i40e_pf_reset_stats(pf); 1220 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1221 } else { 1222 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1223 } 1224 } else { 1225 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1226 } 1227 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1228 struct libie_aq_desc *desc; 1229 int ret; 1230 1231 desc = kzalloc_obj(*desc); 1232 if (!desc) 1233 goto command_write_done; 1234 cnt = sscanf(&cmd_buf[11], 1235 "%hi %hi %hi %hi %i %i %i %i %i %i", 1236 &desc->flags, 1237 &desc->opcode, &desc->datalen, &desc->retval, 1238 &desc->cookie_high, &desc->cookie_low, 1239 &desc->params.generic.param0, 1240 &desc->params.generic.param1, 1241 &desc->params.generic.addr_high, 1242 &desc->params.generic.addr_low); 1243 if (cnt != 10) { 1244 dev_info(&pf->pdev->dev, 1245 "send aq_cmd: bad command string, cnt=%d\n", 1246 cnt); 1247 kfree(desc); 1248 desc = NULL; 1249 goto command_write_done; 1250 } 1251 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1252 if (!ret) { 1253 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1254 } else if (ret == -EIO) { 1255 dev_info(&pf->pdev->dev, 1256 "AQ command send failed Opcode %x AQ Error: %d\n", 1257 desc->opcode, pf->hw.aq.asq_last_status); 1258 } else { 1259 dev_info(&pf->pdev->dev, 1260 "AQ command send failed Opcode %x Status: %d\n", 1261 desc->opcode, ret); 1262 } 1263 dev_info(&pf->pdev->dev, 1264 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1265 desc->flags, desc->opcode, desc->datalen, desc->retval, 1266 desc->cookie_high, desc->cookie_low, 1267 desc->params.generic.param0, 1268 desc->params.generic.param1, 1269 desc->params.generic.addr_high, 1270 desc->params.generic.addr_low); 1271 kfree(desc); 1272 desc = NULL; 1273 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1274 struct libie_aq_desc *desc; 1275 u16 buffer_len; 1276 u8 *buff; 1277 int ret; 1278 1279 desc = kzalloc_obj(*desc); 1280 if (!desc) 1281 goto command_write_done; 1282 cnt = sscanf(&cmd_buf[20], 1283 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1284 &desc->flags, 1285 &desc->opcode, &desc->datalen, &desc->retval, 1286 &desc->cookie_high, &desc->cookie_low, 1287 &desc->params.generic.param0, 1288 &desc->params.generic.param1, 1289 &desc->params.generic.addr_high, 1290 &desc->params.generic.addr_low, 1291 &buffer_len); 1292 if (cnt != 11) { 1293 dev_info(&pf->pdev->dev, 1294 "send indirect aq_cmd: bad command string, cnt=%d\n", 1295 cnt); 1296 kfree(desc); 1297 desc = NULL; 1298 goto command_write_done; 1299 } 1300 /* Just stub a buffer big enough in case user messed up */ 1301 if (buffer_len == 0) 1302 buffer_len = 1280; 1303 1304 buff = kzalloc(buffer_len, GFP_KERNEL); 1305 if (!buff) { 1306 kfree(desc); 1307 desc = NULL; 1308 goto command_write_done; 1309 } 1310 desc->flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_BUF); 1311 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1312 buffer_len, NULL); 1313 if (!ret) { 1314 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1315 } else if (ret == -EIO) { 1316 dev_info(&pf->pdev->dev, 1317 "AQ command send failed Opcode %x AQ Error: %d\n", 1318 desc->opcode, pf->hw.aq.asq_last_status); 1319 } else { 1320 dev_info(&pf->pdev->dev, 1321 "AQ command send failed Opcode %x Status: %d\n", 1322 desc->opcode, ret); 1323 } 1324 dev_info(&pf->pdev->dev, 1325 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1326 desc->flags, desc->opcode, desc->datalen, desc->retval, 1327 desc->cookie_high, desc->cookie_low, 1328 desc->params.generic.param0, 1329 desc->params.generic.param1, 1330 desc->params.generic.addr_high, 1331 desc->params.generic.addr_low); 1332 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1333 DUMP_PREFIX_OFFSET, 16, 1, 1334 buff, buffer_len, true); 1335 kfree(buff); 1336 buff = NULL; 1337 kfree(desc); 1338 desc = NULL; 1339 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1340 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1341 i40e_get_current_fd_count(pf)); 1342 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1343 /* Get main VSI */ 1344 struct i40e_vsi *main_vsi = i40e_pf_get_main_vsi(pf); 1345 1346 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1347 int ret; 1348 1349 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL); 1350 if (ret) { 1351 dev_info(&pf->pdev->dev, 1352 "Stop LLDP AQ command failed =0x%x\n", 1353 pf->hw.aq.asq_last_status); 1354 goto command_write_done; 1355 } 1356 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1357 pf->hw.mac.addr, ETH_P_LLDP, 0, 1358 main_vsi->seid, 0, true, NULL, 1359 NULL); 1360 if (ret) { 1361 dev_info(&pf->pdev->dev, 1362 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1363 __func__, pf->hw.aq.asq_last_status); 1364 goto command_write_done; 1365 } 1366 #ifdef CONFIG_I40E_DCB 1367 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1368 DCB_CAP_DCBX_VER_IEEE; 1369 #endif /* CONFIG_I40E_DCB */ 1370 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1371 int ret; 1372 1373 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1374 pf->hw.mac.addr, ETH_P_LLDP, 0, 1375 main_vsi->seid, 0, false, NULL, 1376 NULL); 1377 if (ret) { 1378 dev_info(&pf->pdev->dev, 1379 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1380 __func__, pf->hw.aq.asq_last_status); 1381 /* Continue and start FW LLDP anyways */ 1382 } 1383 1384 ret = i40e_aq_start_lldp(&pf->hw, false, NULL); 1385 if (ret) { 1386 dev_info(&pf->pdev->dev, 1387 "Start LLDP AQ command failed =0x%x\n", 1388 pf->hw.aq.asq_last_status); 1389 goto command_write_done; 1390 } 1391 #ifdef CONFIG_I40E_DCB 1392 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1393 DCB_CAP_DCBX_VER_IEEE; 1394 #endif /* CONFIG_I40E_DCB */ 1395 } else if (strncmp(&cmd_buf[5], 1396 "get local", 9) == 0) { 1397 u16 llen, rlen; 1398 int ret; 1399 u8 *buff; 1400 1401 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1402 if (!buff) 1403 goto command_write_done; 1404 1405 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1406 I40E_AQ_LLDP_MIB_LOCAL, 1407 buff, I40E_LLDPDU_SIZE, 1408 &llen, &rlen, NULL); 1409 if (ret) { 1410 dev_info(&pf->pdev->dev, 1411 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1412 pf->hw.aq.asq_last_status); 1413 kfree(buff); 1414 buff = NULL; 1415 goto command_write_done; 1416 } 1417 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1418 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1419 DUMP_PREFIX_OFFSET, 16, 1, 1420 buff, I40E_LLDPDU_SIZE, true); 1421 kfree(buff); 1422 buff = NULL; 1423 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1424 u16 llen, rlen; 1425 int ret; 1426 u8 *buff; 1427 1428 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1429 if (!buff) 1430 goto command_write_done; 1431 1432 ret = i40e_aq_get_lldp_mib(&pf->hw, 1433 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1434 I40E_AQ_LLDP_MIB_REMOTE, 1435 buff, I40E_LLDPDU_SIZE, 1436 &llen, &rlen, NULL); 1437 if (ret) { 1438 dev_info(&pf->pdev->dev, 1439 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1440 pf->hw.aq.asq_last_status); 1441 kfree(buff); 1442 buff = NULL; 1443 goto command_write_done; 1444 } 1445 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1446 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1447 DUMP_PREFIX_OFFSET, 16, 1, 1448 buff, I40E_LLDPDU_SIZE, true); 1449 kfree(buff); 1450 buff = NULL; 1451 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1452 int ret; 1453 1454 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1455 true, NULL); 1456 if (ret) { 1457 dev_info(&pf->pdev->dev, 1458 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1459 pf->hw.aq.asq_last_status); 1460 goto command_write_done; 1461 } 1462 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1463 int ret; 1464 1465 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1466 false, NULL); 1467 if (ret) { 1468 dev_info(&pf->pdev->dev, 1469 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1470 pf->hw.aq.asq_last_status); 1471 goto command_write_done; 1472 } 1473 } 1474 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1475 u16 buffer_len, bytes; 1476 u16 module; 1477 u32 offset; 1478 u16 *buff; 1479 int ret; 1480 1481 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1482 &module, &offset, &buffer_len); 1483 if (cnt == 0) { 1484 module = 0; 1485 offset = 0; 1486 buffer_len = 0; 1487 } else if (cnt == 1) { 1488 offset = 0; 1489 buffer_len = 0; 1490 } else if (cnt == 2) { 1491 buffer_len = 0; 1492 } else if (cnt > 3) { 1493 dev_info(&pf->pdev->dev, 1494 "nvm read: bad command string, cnt=%d\n", cnt); 1495 goto command_write_done; 1496 } 1497 1498 /* set the max length */ 1499 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1500 1501 bytes = 2 * buffer_len; 1502 1503 /* read at least 1k bytes, no more than 4kB */ 1504 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1505 buff = kzalloc(bytes, GFP_KERNEL); 1506 if (!buff) 1507 goto command_write_done; 1508 1509 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1510 if (ret) { 1511 dev_info(&pf->pdev->dev, 1512 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1513 ret, pf->hw.aq.asq_last_status); 1514 kfree(buff); 1515 goto command_write_done; 1516 } 1517 1518 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1519 bytes, (u8 *)buff, true, NULL); 1520 i40e_release_nvm(&pf->hw); 1521 if (ret) { 1522 dev_info(&pf->pdev->dev, 1523 "Read NVM AQ failed err=%d status=0x%x\n", 1524 ret, pf->hw.aq.asq_last_status); 1525 } else { 1526 dev_info(&pf->pdev->dev, 1527 "Read NVM module=0x%x offset=0x%x words=%d\n", 1528 module, offset, buffer_len); 1529 if (bytes) 1530 print_hex_dump(KERN_INFO, "NVM Dump: ", 1531 DUMP_PREFIX_OFFSET, 16, 2, 1532 buff, bytes, true); 1533 } 1534 kfree(buff); 1535 buff = NULL; 1536 } else { 1537 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1538 dev_info(&pf->pdev->dev, "available commands\n"); 1539 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1540 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1541 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1542 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1543 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1544 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1545 dev_info(&pf->pdev->dev, " dump switch\n"); 1546 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1547 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1548 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1549 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1550 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1551 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1552 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1553 dev_info(&pf->pdev->dev, " read <reg>\n"); 1554 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1555 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1556 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1557 dev_info(&pf->pdev->dev, " pfr\n"); 1558 dev_info(&pf->pdev->dev, " corer\n"); 1559 dev_info(&pf->pdev->dev, " globr\n"); 1560 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1561 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1562 dev_info(&pf->pdev->dev, " fd current cnt"); 1563 dev_info(&pf->pdev->dev, " lldp start\n"); 1564 dev_info(&pf->pdev->dev, " lldp stop\n"); 1565 dev_info(&pf->pdev->dev, " lldp get local\n"); 1566 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1567 dev_info(&pf->pdev->dev, " lldp event on\n"); 1568 dev_info(&pf->pdev->dev, " lldp event off\n"); 1569 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1570 } 1571 1572 command_write_done: 1573 kfree(cmd_buf); 1574 cmd_buf = NULL; 1575 return count; 1576 } 1577 1578 static const struct file_operations i40e_dbg_command_fops = { 1579 .owner = THIS_MODULE, 1580 .open = simple_open, 1581 .write = i40e_dbg_command_write, 1582 }; 1583 1584 /************************************************************** 1585 * netdev_ops 1586 * The netdev_ops entry in debugfs is for giving the driver commands 1587 * to be executed from the netdev operations. 1588 **************************************************************/ 1589 1590 /** 1591 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1592 * @filp: the opened file 1593 * @buffer: where to find the user's data 1594 * @count: the length of the user's data 1595 * @ppos: file position offset 1596 **/ 1597 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1598 const char __user *buffer, 1599 size_t count, loff_t *ppos) 1600 { 1601 struct i40e_pf *pf = filp->private_data; 1602 char *cmd_buf, *buf_tmp; 1603 int bytes_not_copied; 1604 struct i40e_vsi *vsi; 1605 int vsi_seid; 1606 int i, cnt; 1607 1608 /* don't allow partial writes */ 1609 if (*ppos != 0) 1610 return 0; 1611 1612 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 1613 if (!cmd_buf) 1614 return count; 1615 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 1616 if (bytes_not_copied) { 1617 kfree(cmd_buf); 1618 return -EFAULT; 1619 } 1620 cmd_buf[count] = '\0'; 1621 1622 buf_tmp = strchr(cmd_buf, '\n'); 1623 if (buf_tmp) { 1624 *buf_tmp = '\0'; 1625 count = buf_tmp - cmd_buf + 1; 1626 } 1627 1628 if (strncmp(cmd_buf, "change_mtu", 10) == 0) { 1629 int mtu; 1630 1631 cnt = sscanf(&cmd_buf[11], "%i %i", 1632 &vsi_seid, &mtu); 1633 if (cnt != 2) { 1634 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1635 goto netdev_ops_write_done; 1636 } 1637 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1638 if (!vsi) { 1639 dev_info(&pf->pdev->dev, 1640 "change_mtu: VSI %d not found\n", vsi_seid); 1641 } else if (!vsi->netdev) { 1642 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1643 vsi_seid); 1644 } else if (rtnl_trylock()) { 1645 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1646 mtu); 1647 rtnl_unlock(); 1648 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1649 } else { 1650 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1651 } 1652 1653 } else if (strncmp(cmd_buf, "set_rx_mode", 11) == 0) { 1654 cnt = sscanf(&cmd_buf[11], "%i", &vsi_seid); 1655 if (cnt != 1) { 1656 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1657 goto netdev_ops_write_done; 1658 } 1659 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1660 if (!vsi) { 1661 dev_info(&pf->pdev->dev, 1662 "set_rx_mode: VSI %d not found\n", vsi_seid); 1663 } else if (!vsi->netdev) { 1664 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1665 vsi_seid); 1666 } else if (rtnl_trylock()) { 1667 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1668 rtnl_unlock(); 1669 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1670 } else { 1671 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1672 } 1673 1674 } else if (strncmp(cmd_buf, "napi", 4) == 0) { 1675 cnt = sscanf(&cmd_buf[4], "%i", &vsi_seid); 1676 if (cnt != 1) { 1677 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1678 goto netdev_ops_write_done; 1679 } 1680 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1681 if (!vsi) { 1682 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1683 vsi_seid); 1684 } else if (!vsi->netdev) { 1685 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1686 vsi_seid); 1687 } else { 1688 for (i = 0; i < vsi->num_q_vectors; i++) 1689 napi_schedule(&vsi->q_vectors[i]->napi); 1690 dev_info(&pf->pdev->dev, "napi called\n"); 1691 } 1692 } else { 1693 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1694 dev_info(&pf->pdev->dev, "available commands\n"); 1695 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1696 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1697 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1698 } 1699 netdev_ops_write_done: 1700 kfree(cmd_buf); 1701 return count; 1702 } 1703 1704 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1705 .owner = THIS_MODULE, 1706 .open = simple_open, 1707 .write = i40e_dbg_netdev_ops_write, 1708 }; 1709 1710 /** 1711 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1712 * @pf: the PF that is starting up 1713 **/ 1714 void i40e_dbg_pf_init(struct i40e_pf *pf) 1715 { 1716 const char *name = pci_name(pf->pdev); 1717 1718 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1719 1720 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1721 &i40e_dbg_command_fops); 1722 1723 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1724 &i40e_dbg_netdev_ops_fops); 1725 } 1726 1727 /** 1728 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1729 * @pf: the PF that is stopping 1730 **/ 1731 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1732 { 1733 debugfs_remove_recursive(pf->i40e_dbg_pf); 1734 pf->i40e_dbg_pf = NULL; 1735 } 1736 1737 /** 1738 * i40e_dbg_init - start up debugfs for the driver 1739 **/ 1740 void i40e_dbg_init(void) 1741 { 1742 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1743 if (IS_ERR(i40e_dbg_root)) 1744 pr_info("init of debugfs failed\n"); 1745 } 1746 1747 /** 1748 * i40e_dbg_exit - clean out the driver's debugfs entries 1749 **/ 1750 void i40e_dbg_exit(void) 1751 { 1752 debugfs_remove_recursive(i40e_dbg_root); 1753 i40e_dbg_root = NULL; 1754 } 1755 1756 #endif /* CONFIG_DEBUG_FS */ 1757