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1// SPDX-License-Identifier: GPL-2.02/* Copyright(c) 2013 - 2018 Intel Corporation. */3 4#ifdef CONFIG_DEBUG_FS5 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 12static struct dentry *i40e_dbg_root;13 14enum ring_type {15 RING_TYPE_RX,16 RING_TYPE_TX,17 RING_TYPE_XDP18};19 20/**21 * i40e_dbg_find_vsi - searches for the vsi with the given seid22 * @pf: the PF structure to search for the vsi23 * @seid: seid of the vsi it is searching for24 **/25static 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 * command38 * The command entry in debugfs is for giving the driver commands39 * to be executed - these may be for changing the internal switch40 * setup, adding or removing filters, or other things. Many of41 * these will be useful for some forms of unit testing.42 **************************************************************/43static char i40e_dbg_command_buf[256] = "";44 45/**46 * i40e_dbg_command_read - read for command datum47 * @filp: the opened file48 * @buffer: where to write the data for the user to read49 * @count: the size of the user's buffer50 * @ppos: file position offset51 **/52static 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 86static 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 datum97 * @pf: the i40e_pf created in command write98 * @seid: the seid the user put in99 **/100static 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 datum475 * @pf: the i40e_pf created in command write476 **/477static 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 datum518 * @cnt: number of arguments that the user supplied519 * @vsi_seid: vsi id entered by user520 * @ring_id: ring id entered by user521 * @desc_n: descriptor number entered by user522 * @pf: the i40e_pf created in command write523 * @type: enum describing whether ring is RX, TX or XDP524 **/525static 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 630out:631 kfree(ring);632}633 634/**635 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum636 * @pf: the i40e_pf created in command write637 **/638static 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 datum649 * @pf: the i40e_pf created in command write650 * @estats: the eth stats structure to be dumped651 **/652static 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 veb675 * @pf: the i40e_pf created in command write676 * @seid: the seid the user put in677 **/678static 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 stats696 * @pf: the i40e_pf created in command write697 **/698static 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 info709 * @pf: the i40e_pf created in command write710 * @vf_id: the vf_id from the user711 **/712static 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 VFs733 * @pf: the i40e_pf created in command write734 **/735static 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 else742 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 datum748 * @filp: the opened file749 * @buffer: where to find the user's data750 * @count: the length of the user's data751 * @ppos: file position offset752 **/753static 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/VMDq800 * 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 else812 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 else877 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 else934 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 else967 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 else973 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 else979 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_DCB1410 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_DCB1435 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 1615command_write_done:1616 kfree(cmd_buf);1617 cmd_buf = NULL;1618 return count;1619}1620 1621static 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_ops1630 * The netdev_ops entry in debugfs is for giving the driver commands1631 * to be executed from the netdev operations.1632 **************************************************************/1633static char i40e_dbg_netdev_ops_buf[256] = "";1634 1635/**1636 * i40e_dbg_netdev_ops_read - read for netdev_ops datum1637 * @filp: the opened file1638 * @buffer: where to write the data for the user to read1639 * @count: the size of the user's buffer1640 * @ppos: file position offset1641 **/1642static 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 datum1678 * @filp: the opened file1679 * @buffer: where to find the user's data1680 * @count: the length of the user's data1681 * @ppos: file position offset1682 **/1683static 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 }1785netdev_ops_write_done:1786 return count;1787}1788 1789static 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 PF1798 * @pf: the PF that is starting up1799 **/1800void 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 entries1815 * @pf: the PF that is stopping1816 **/1817void 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 driver1825 **/1826void 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 entries1835 **/1836void 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