diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/net/ethernet/intel/i40e/i40e_debugfs.c |
Initial import
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_debugfs.c')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 2258 |
1 files changed, 2258 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c new file mode 100644 index 000000000..da0faf478 --- /dev/null +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -0,0 +1,2258 @@ +/******************************************************************************* + * + * Intel Ethernet Controller XL710 Family Linux Driver + * Copyright(c) 2013 - 2014 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Contact Information: + * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + ******************************************************************************/ + +#ifdef CONFIG_DEBUG_FS + +#include <linux/fs.h> +#include <linux/debugfs.h> + +#include "i40e.h" + +static struct dentry *i40e_dbg_root; + +/** + * i40e_dbg_find_vsi - searches for the vsi with the given seid + * @pf - the PF structure to search for the vsi + * @seid - seid of the vsi it is searching for + **/ +static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) +{ + int i; + + if (seid < 0) + dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); + else + for (i = 0; i < pf->num_alloc_vsi; i++) + if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) + return pf->vsi[i]; + + return NULL; +} + +/** + * i40e_dbg_find_veb - searches for the veb with the given seid + * @pf - the PF structure to search for the veb + * @seid - seid of the veb it is searching for + **/ +static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) +{ + int i; + + if ((seid < I40E_BASE_VEB_SEID) || + (seid > (I40E_BASE_VEB_SEID + I40E_MAX_VEB))) + dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); + else + for (i = 0; i < I40E_MAX_VEB; i++) + if (pf->veb[i] && pf->veb[i]->seid == seid) + return pf->veb[i]; + return NULL; +} + +/************************************************************** + * dump + * The dump entry in debugfs is for getting a data snapshow of + * the driver's current configuration and runtime details. + * When the filesystem entry is written, a snapshot is taken. + * When the entry is read, the most recent snapshot data is dumped. + **************************************************************/ +static char *i40e_dbg_dump_buf; +static ssize_t i40e_dbg_dump_data_len; +static ssize_t i40e_dbg_dump_buffer_len; + +/** + * i40e_dbg_dump_read - read the dump data + * @filp: the opened file + * @buffer: where to write the data for the user to read + * @count: the size of the user's buffer + * @ppos: file position offset + **/ +static ssize_t i40e_dbg_dump_read(struct file *filp, char __user *buffer, + size_t count, loff_t *ppos) +{ + int bytes_not_copied; + int len; + + /* is *ppos bigger than the available data? */ + if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf) + return 0; + + /* be sure to not read beyond the end of available data */ + len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos)); + + bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len); + if (bytes_not_copied < 0) + return bytes_not_copied; + + *ppos += len; + return len; +} + +/** + * i40e_dbg_prep_dump_buf + * @pf: the PF we're working with + * @buflen: the desired buffer length + * + * Return positive if success, 0 if failed + **/ +static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen) +{ + /* if not already big enough, prep for re alloc */ + if (i40e_dbg_dump_buffer_len && i40e_dbg_dump_buffer_len < buflen) { + kfree(i40e_dbg_dump_buf); + i40e_dbg_dump_buffer_len = 0; + i40e_dbg_dump_buf = NULL; + } + + /* get a new buffer if needed */ + if (!i40e_dbg_dump_buf) { + i40e_dbg_dump_buf = kzalloc(buflen, GFP_KERNEL); + if (i40e_dbg_dump_buf != NULL) + i40e_dbg_dump_buffer_len = buflen; + } + + return i40e_dbg_dump_buffer_len; +} + +/** + * i40e_dbg_dump_write - trigger a datadump snapshot + * @filp: the opened file + * @buffer: where to find the user's data + * @count: the length of the user's data + * @ppos: file position offset + * + * Any write clears the stats + **/ +static ssize_t i40e_dbg_dump_write(struct file *filp, + const char __user *buffer, + size_t count, loff_t *ppos) +{ + struct i40e_pf *pf = filp->private_data; + bool seid_found = false; + long seid = -1; + int buflen = 0; + int i, ret; + int len; + u8 *p; + + /* don't allow partial writes */ + if (*ppos != 0) + return 0; + + /* decode the SEID given to be dumped */ + ret = kstrtol_from_user(buffer, count, 0, &seid); + + if (ret) { + dev_info(&pf->pdev->dev, "bad seid value\n"); + } else if (seid == 0) { + seid_found = true; + + kfree(i40e_dbg_dump_buf); + i40e_dbg_dump_buffer_len = 0; + i40e_dbg_dump_data_len = 0; + i40e_dbg_dump_buf = NULL; + dev_info(&pf->pdev->dev, "debug buffer freed\n"); + + } else if (seid == pf->pf_seid || seid == 1) { + seid_found = true; + + buflen = sizeof(struct i40e_pf); + buflen += (sizeof(struct i40e_aq_desc) + * (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries)); + + if (i40e_dbg_prep_dump_buf(pf, buflen)) { + p = i40e_dbg_dump_buf; + + len = sizeof(struct i40e_pf); + memcpy(p, pf, len); + p += len; + + len = (sizeof(struct i40e_aq_desc) + * pf->hw.aq.num_asq_entries); + memcpy(p, pf->hw.aq.asq.desc_buf.va, len); + p += len; + + len = (sizeof(struct i40e_aq_desc) + * pf->hw.aq.num_arq_entries); + memcpy(p, pf->hw.aq.arq.desc_buf.va, len); + p += len; + + i40e_dbg_dump_data_len = buflen; + dev_info(&pf->pdev->dev, + "PF seid %ld dumped %d bytes\n", + seid, (int)i40e_dbg_dump_data_len); + } + } else if (seid >= I40E_BASE_VSI_SEID) { + struct i40e_vsi *vsi = NULL; + struct i40e_mac_filter *f; + int filter_count = 0; + + mutex_lock(&pf->switch_mutex); + vsi = i40e_dbg_find_vsi(pf, seid); + if (!vsi) { + mutex_unlock(&pf->switch_mutex); + goto write_exit; + } + + buflen = sizeof(struct i40e_vsi); + buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors; + buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs; + buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs; + buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs; + list_for_each_entry(f, &vsi->mac_filter_list, list) + filter_count++; + buflen += sizeof(struct i40e_mac_filter) * filter_count; + + if (i40e_dbg_prep_dump_buf(pf, buflen)) { + p = i40e_dbg_dump_buf; + seid_found = true; + + len = sizeof(struct i40e_vsi); + memcpy(p, vsi, len); + p += len; + + if (vsi->num_q_vectors) { + len = (sizeof(struct i40e_q_vector) + * vsi->num_q_vectors); + memcpy(p, vsi->q_vectors, len); + p += len; + } + + if (vsi->num_queue_pairs) { + len = (sizeof(struct i40e_ring) * + vsi->num_queue_pairs); + memcpy(p, vsi->tx_rings, len); + p += len; + memcpy(p, vsi->rx_rings, len); + p += len; + } + + if (vsi->tx_rings[0]) { + len = sizeof(struct i40e_tx_buffer); + for (i = 0; i < vsi->num_queue_pairs; i++) { + memcpy(p, vsi->tx_rings[i]->tx_bi, len); + p += len; + } + len = sizeof(struct i40e_rx_buffer); + for (i = 0; i < vsi->num_queue_pairs; i++) { + memcpy(p, vsi->rx_rings[i]->rx_bi, len); + p += len; + } + } + + /* macvlan filter list */ + len = sizeof(struct i40e_mac_filter); + list_for_each_entry(f, &vsi->mac_filter_list, list) { + memcpy(p, f, len); + p += len; + } + + i40e_dbg_dump_data_len = buflen; + dev_info(&pf->pdev->dev, + "VSI seid %ld dumped %d bytes\n", + seid, (int)i40e_dbg_dump_data_len); + } + mutex_unlock(&pf->switch_mutex); + } else if (seid >= I40E_BASE_VEB_SEID) { + struct i40e_veb *veb = NULL; + + mutex_lock(&pf->switch_mutex); + veb = i40e_dbg_find_veb(pf, seid); + if (!veb) { + mutex_unlock(&pf->switch_mutex); + goto write_exit; + } + + buflen = sizeof(struct i40e_veb); + if (i40e_dbg_prep_dump_buf(pf, buflen)) { + seid_found = true; + memcpy(i40e_dbg_dump_buf, veb, buflen); + i40e_dbg_dump_data_len = buflen; + dev_info(&pf->pdev->dev, + "VEB seid %ld dumped %d bytes\n", + seid, (int)i40e_dbg_dump_data_len); + } + mutex_unlock(&pf->switch_mutex); + } + +write_exit: + if (!seid_found) + dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid); + + return count; +} + +static const struct file_operations i40e_dbg_dump_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = i40e_dbg_dump_read, + .write = i40e_dbg_dump_write, +}; + +/************************************************************** + * command + * The command entry in debugfs is for giving the driver commands + * to be executed - these may be for changing the internal switch + * setup, adding or removing filters, or other things. Many of + * these will be useful for some forms of unit testing. + **************************************************************/ +static char i40e_dbg_command_buf[256] = ""; + +/** + * i40e_dbg_command_read - read for command datum + * @filp: the opened file + * @buffer: where to write the data for the user to read + * @count: the size of the user's buffer + * @ppos: file position offset + **/ +static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, + size_t count, loff_t *ppos) +{ + struct i40e_pf *pf = filp->private_data; + int bytes_not_copied; + int buf_size = 256; + char *buf; + int len; + + /* don't allow partial reads */ + if (*ppos != 0) + return 0; + if (count < buf_size) + return -ENOSPC; + + buf = kzalloc(buf_size, GFP_KERNEL); + if (!buf) + return -ENOSPC; + + len = snprintf(buf, buf_size, "%s: %s\n", + pf->vsi[pf->lan_vsi]->netdev->name, + i40e_dbg_command_buf); + + bytes_not_copied = copy_to_user(buffer, buf, len); + kfree(buf); + + if (bytes_not_copied < 0) + return bytes_not_copied; + + *ppos = len; + return len; +} + +/** + * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum + * @pf: the i40e_pf created in command write + * @seid: the seid the user put in + **/ +static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) +{ + struct rtnl_link_stats64 *nstat; + struct i40e_mac_filter *f; + struct i40e_vsi *vsi; + int i; + + vsi = i40e_dbg_find_vsi(pf, seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "dump %d: seid not found\n", seid); + return; + } + dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); + if (vsi->netdev) + dev_info(&pf->pdev->dev, + " netdev: name = %s\n", + vsi->netdev->name); + if (vsi->active_vlans) + dev_info(&pf->pdev->dev, + " vlgrp: & = %p\n", vsi->active_vlans); + dev_info(&pf->pdev->dev, + " netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n", + vsi->netdev_registered, + vsi->current_netdev_flags, vsi->state, vsi->flags); + if (vsi == pf->vsi[pf->lan_vsi]) + dev_info(&pf->pdev->dev, "MAC address: %pM SAN MAC: %pM Port MAC: %pM\n", + pf->hw.mac.addr, + pf->hw.mac.san_addr, + pf->hw.mac.port_addr); + list_for_each_entry(f, &vsi->mac_filter_list, list) { + dev_info(&pf->pdev->dev, + " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n", + f->macaddr, f->vlan, f->is_netdev, f->is_vf, + f->counter); + } + nstat = i40e_get_vsi_stats_struct(vsi); + dev_info(&pf->pdev->dev, + " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", + (long unsigned int)nstat->rx_packets, + (long unsigned int)nstat->rx_bytes, + (long unsigned int)nstat->rx_errors, + (long unsigned int)nstat->rx_dropped); + dev_info(&pf->pdev->dev, + " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", + (long unsigned int)nstat->tx_packets, + (long unsigned int)nstat->tx_bytes, + (long unsigned int)nstat->tx_errors, + (long unsigned int)nstat->tx_dropped); + dev_info(&pf->pdev->dev, + " net_stats: multicast = %lu, collisions = %lu\n", + (long unsigned int)nstat->multicast, + (long unsigned int)nstat->collisions); + dev_info(&pf->pdev->dev, + " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", + (long unsigned int)nstat->rx_length_errors, + (long unsigned int)nstat->rx_over_errors, + (long unsigned int)nstat->rx_crc_errors); + dev_info(&pf->pdev->dev, + " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", + (long unsigned int)nstat->rx_frame_errors, + (long unsigned int)nstat->rx_fifo_errors, + (long unsigned int)nstat->rx_missed_errors); + dev_info(&pf->pdev->dev, + " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", + (long unsigned int)nstat->tx_aborted_errors, + (long unsigned int)nstat->tx_carrier_errors, + (long unsigned int)nstat->tx_fifo_errors); + dev_info(&pf->pdev->dev, + " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", + (long unsigned int)nstat->tx_heartbeat_errors, + (long unsigned int)nstat->tx_window_errors); + dev_info(&pf->pdev->dev, + " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", + (long unsigned int)nstat->rx_compressed, + (long unsigned int)nstat->tx_compressed); + dev_info(&pf->pdev->dev, + " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", + (long unsigned int)vsi->net_stats_offsets.rx_packets, + (long unsigned int)vsi->net_stats_offsets.rx_bytes, + (long unsigned int)vsi->net_stats_offsets.rx_errors, + (long unsigned int)vsi->net_stats_offsets.rx_dropped); + dev_info(&pf->pdev->dev, + " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", + (long unsigned int)vsi->net_stats_offsets.tx_packets, + (long unsigned int)vsi->net_stats_offsets.tx_bytes, + (long unsigned int)vsi->net_stats_offsets.tx_errors, + (long unsigned int)vsi->net_stats_offsets.tx_dropped); + dev_info(&pf->pdev->dev, + " net_stats_offsets: multicast = %lu, collisions = %lu\n", + (long unsigned int)vsi->net_stats_offsets.multicast, + (long unsigned int)vsi->net_stats_offsets.collisions); + dev_info(&pf->pdev->dev, + " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", + (long unsigned int)vsi->net_stats_offsets.rx_length_errors, + (long unsigned int)vsi->net_stats_offsets.rx_over_errors, + (long unsigned int)vsi->net_stats_offsets.rx_crc_errors); + dev_info(&pf->pdev->dev, + " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", + (long unsigned int)vsi->net_stats_offsets.rx_frame_errors, + (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors, + (long unsigned int)vsi->net_stats_offsets.rx_missed_errors); + dev_info(&pf->pdev->dev, + " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", + (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors, + (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors, + (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors); + dev_info(&pf->pdev->dev, + " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", + (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors, + (long unsigned int)vsi->net_stats_offsets.tx_window_errors); + dev_info(&pf->pdev->dev, + " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", + (long unsigned int)vsi->net_stats_offsets.rx_compressed, + (long unsigned int)vsi->net_stats_offsets.tx_compressed); + dev_info(&pf->pdev->dev, + " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", + vsi->tx_restart, vsi->tx_busy, + vsi->rx_buf_failed, vsi->rx_page_failed); + rcu_read_lock(); + for (i = 0; i < vsi->num_queue_pairs; i++) { + struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]); + if (!rx_ring) + continue; + + dev_info(&pf->pdev->dev, + " rx_rings[%i]: desc = %p\n", + i, rx_ring->desc); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", + i, rx_ring->dev, + rx_ring->netdev, + rx_ring->rx_bi); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", + i, rx_ring->state, + rx_ring->queue_index, + rx_ring->reg_idx); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n", + i, rx_ring->rx_hdr_len, + rx_ring->rx_buf_len, + rx_ring->dtype); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", + i, rx_ring->hsplit, + rx_ring->next_to_use, + rx_ring->next_to_clean, + rx_ring->ring_active); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", + i, rx_ring->stats.packets, + rx_ring->stats.bytes, + rx_ring->rx_stats.non_eop_descs); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", + i, + rx_ring->rx_stats.alloc_page_failed, + rx_ring->rx_stats.alloc_buff_failed); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: size = %i, dma = 0x%08lx\n", + i, rx_ring->size, + (long unsigned int)rx_ring->dma); + dev_info(&pf->pdev->dev, + " rx_rings[%i]: vsi = %p, q_vector = %p\n", + i, rx_ring->vsi, + rx_ring->q_vector); + } + for (i = 0; i < vsi->num_queue_pairs; i++) { + struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); + if (!tx_ring) + continue; + + dev_info(&pf->pdev->dev, + " tx_rings[%i]: desc = %p\n", + i, tx_ring->desc); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", + i, tx_ring->dev, + tx_ring->netdev, + tx_ring->tx_bi); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", + i, tx_ring->state, + tx_ring->queue_index, + tx_ring->reg_idx); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: dtype = %d\n", + i, tx_ring->dtype); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", + i, tx_ring->hsplit, + tx_ring->next_to_use, + tx_ring->next_to_clean, + tx_ring->ring_active); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", + i, tx_ring->stats.packets, + tx_ring->stats.bytes, + tx_ring->tx_stats.restart_queue); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", + i, + tx_ring->tx_stats.tx_busy, + tx_ring->tx_stats.tx_done_old); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: size = %i, dma = 0x%08lx\n", + i, tx_ring->size, + (long unsigned int)tx_ring->dma); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: vsi = %p, q_vector = %p\n", + i, tx_ring->vsi, + tx_ring->q_vector); + dev_info(&pf->pdev->dev, + " tx_rings[%i]: DCB tc = %d\n", + i, tx_ring->dcb_tc); + } + rcu_read_unlock(); + dev_info(&pf->pdev->dev, + " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n", + vsi->work_limit, vsi->rx_itr_setting, + ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed", + vsi->tx_itr_setting, + ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed"); + dev_info(&pf->pdev->dev, + " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n", + vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype); + dev_info(&pf->pdev->dev, + " num_q_vectors = %i, base_vector = %i\n", + vsi->num_q_vectors, vsi->base_vector); + dev_info(&pf->pdev->dev, + " seid = %d, id = %d, uplink_seid = %d\n", + vsi->seid, vsi->id, vsi->uplink_seid); + dev_info(&pf->pdev->dev, + " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n", + vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc); + dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); + dev_info(&pf->pdev->dev, + " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", + vsi->info.valid_sections, vsi->info.switch_id); + dev_info(&pf->pdev->dev, + " info: sw_reserved[] = 0x%02x 0x%02x\n", + vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); + dev_info(&pf->pdev->dev, + " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", + vsi->info.sec_flags, vsi->info.sec_reserved); + dev_info(&pf->pdev->dev, + " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", + vsi->info.pvid, vsi->info.fcoe_pvid, + vsi->info.port_vlan_flags); + dev_info(&pf->pdev->dev, + " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", + vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], + vsi->info.pvlan_reserved[2]); + dev_info(&pf->pdev->dev, + " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", + vsi->info.ingress_table, vsi->info.egress_table); + dev_info(&pf->pdev->dev, + " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", + vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, + vsi->info.cas_pv_reserved); + dev_info(&pf->pdev->dev, + " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", + vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], + vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], + vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], + vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); + dev_info(&pf->pdev->dev, + " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", + vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], + vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], + vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], + vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); + dev_info(&pf->pdev->dev, + " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", + vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], + vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], + vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], + vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); + dev_info(&pf->pdev->dev, + " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", + vsi->info.queueing_opt_flags, + vsi->info.queueing_opt_reserved[0], + vsi->info.queueing_opt_reserved[1], + vsi->info.queueing_opt_reserved[2]); + dev_info(&pf->pdev->dev, + " info: up_enable_bits = 0x%02x\n", + vsi->info.up_enable_bits); + dev_info(&pf->pdev->dev, + " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", + vsi->info.sched_reserved, vsi->info.outer_up_table); + dev_info(&pf->pdev->dev, + " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", + vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], + vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], + vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], + vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); + dev_info(&pf->pdev->dev, + " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", + vsi->info.qs_handle[0], vsi->info.qs_handle[1], + vsi->info.qs_handle[2], vsi->info.qs_handle[3], + vsi->info.qs_handle[4], vsi->info.qs_handle[5], + vsi->info.qs_handle[6], vsi->info.qs_handle[7]); + dev_info(&pf->pdev->dev, + " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", + vsi->info.stat_counter_idx, vsi->info.sched_id); + dev_info(&pf->pdev->dev, + " 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", + vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], + vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], + vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], + vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], + vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], + vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); + if (vsi->back) + dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back); + dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); + dev_info(&pf->pdev->dev, + " tc_config: numtc = %d, enabled_tc = 0x%x\n", + vsi->tc_config.numtc, vsi->tc_config.enabled_tc); + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + dev_info(&pf->pdev->dev, + " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", + i, vsi->tc_config.tc_info[i].qoffset, + vsi->tc_config.tc_info[i].qcount, + vsi->tc_config.tc_info[i].netdev_tc); + } + dev_info(&pf->pdev->dev, + " bw: bw_limit = %d, bw_max_quanta = %d\n", + vsi->bw_limit, vsi->bw_max_quanta); + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + dev_info(&pf->pdev->dev, + " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", + i, vsi->bw_ets_share_credits[i], + vsi->bw_ets_limit_credits[i], + vsi->bw_ets_max_quanta[i]); + } +#ifdef I40E_FCOE + if (vsi->type == I40E_VSI_FCOE) { + dev_info(&pf->pdev->dev, + " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n", + vsi->fcoe_stats.rx_fcoe_packets, + vsi->fcoe_stats.rx_fcoe_dwords, + vsi->fcoe_stats.rx_fcoe_dropped); + dev_info(&pf->pdev->dev, + " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n", + vsi->fcoe_stats.tx_fcoe_packets, + vsi->fcoe_stats.tx_fcoe_dwords); + dev_info(&pf->pdev->dev, + " fcoe_stats: bad_crc = %llu, last_error = %llu\n", + vsi->fcoe_stats.fcoe_bad_fccrc, + vsi->fcoe_stats.fcoe_last_error); + dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n", + vsi->fcoe_stats.fcoe_ddp_count); + } +#endif +} + +/** + * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum + * @pf: the i40e_pf created in command write + **/ +static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) +{ + struct i40e_adminq_ring *ring; + struct i40e_hw *hw = &pf->hw; + char hdr[32]; + int i; + + snprintf(hdr, sizeof(hdr), "%s %s: ", + dev_driver_string(&pf->pdev->dev), + dev_name(&pf->pdev->dev)); + + /* first the send (command) ring, then the receive (event) ring */ + dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); + ring = &(hw->aq.asq); + for (i = 0; i < ring->count; i++) { + struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); + dev_info(&pf->pdev->dev, + " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", + i, d->flags, d->opcode, d->datalen, d->retval, + d->cookie_high, d->cookie_low); + print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, + 16, 1, d->params.raw, 16, 0); + } + + dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); + ring = &(hw->aq.arq); + for (i = 0; i < ring->count; i++) { + struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); + dev_info(&pf->pdev->dev, + " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", + i, d->flags, d->opcode, d->datalen, d->retval, + d->cookie_high, d->cookie_low); + print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, + 16, 1, d->params.raw, 16, 0); + } +} + +/** + * i40e_dbg_dump_desc - handles dump desc write into command datum + * @cnt: number of arguments that the user supplied + * @vsi_seid: vsi id entered by user + * @ring_id: ring id entered by user + * @desc_n: descriptor number entered by user + * @pf: the i40e_pf created in command write + * @is_rx_ring: true if rx, false if tx + **/ +static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, + struct i40e_pf *pf, bool is_rx_ring) +{ + struct i40e_tx_desc *txd; + union i40e_rx_desc *rxd; + struct i40e_ring *ring; + struct i40e_vsi *vsi; + int i; + + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); + return; + } + if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { + dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); + return; + } + if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { + dev_info(&pf->pdev->dev, + "descriptor rings have not been allocated for vsi %d\n", + vsi_seid); + return; + } + + ring = kmemdup(is_rx_ring + ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], + sizeof(*ring), GFP_KERNEL); + if (!ring) + return; + + if (cnt == 2) { + dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", + vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); + for (i = 0; i < ring->count; i++) { + if (!is_rx_ring) { + txd = I40E_TX_DESC(ring, i); + dev_info(&pf->pdev->dev, + " d[%03i] = 0x%016llx 0x%016llx\n", + i, txd->buffer_addr, + txd->cmd_type_offset_bsz); + } else if (sizeof(union i40e_rx_desc) == + sizeof(union i40e_16byte_rx_desc)) { + rxd = I40E_RX_DESC(ring, i); + dev_info(&pf->pdev->dev, + " d[%03i] = 0x%016llx 0x%016llx\n", + i, rxd->read.pkt_addr, + rxd->read.hdr_addr); + } else { + rxd = I40E_RX_DESC(ring, i); + dev_info(&pf->pdev->dev, + " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", + i, rxd->read.pkt_addr, + rxd->read.hdr_addr, + rxd->read.rsvd1, rxd->read.rsvd2); + } + } + } else if (cnt == 3) { + if (desc_n >= ring->count || desc_n < 0) { + dev_info(&pf->pdev->dev, + "descriptor %d not found\n", desc_n); + goto out; + } + if (!is_rx_ring) { + txd = I40E_TX_DESC(ring, desc_n); + dev_info(&pf->pdev->dev, + "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", + vsi_seid, ring_id, desc_n, + txd->buffer_addr, txd->cmd_type_offset_bsz); + } else if (sizeof(union i40e_rx_desc) == + sizeof(union i40e_16byte_rx_desc)) { + rxd = I40E_RX_DESC(ring, desc_n); + dev_info(&pf->pdev->dev, + "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", + vsi_seid, ring_id, desc_n, + rxd->read.pkt_addr, rxd->read.hdr_addr); + } else { + rxd = I40E_RX_DESC(ring, desc_n); + dev_info(&pf->pdev->dev, + "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", + vsi_seid, ring_id, desc_n, + rxd->read.pkt_addr, rxd->read.hdr_addr, + rxd->read.rsvd1, rxd->read.rsvd2); + } + } else { + dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); + } + +out: + kfree(ring); +} + +/** + * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum + * @pf: the i40e_pf created in command write + **/ +static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) +{ + int i; + + for (i = 0; i < pf->num_alloc_vsi; i++) + if (pf->vsi[i]) + dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", + i, pf->vsi[i]->seid); +} + +/** + * i40e_dbg_dump_stats - handles dump stats write into command datum + * @pf: the i40e_pf created in command write + * @estats: the eth stats structure to be dumped + **/ +static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, + struct i40e_eth_stats *estats) +{ + dev_info(&pf->pdev->dev, " ethstats:\n"); + dev_info(&pf->pdev->dev, + " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", + estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); + dev_info(&pf->pdev->dev, + " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", + estats->rx_broadcast, estats->rx_discards); + dev_info(&pf->pdev->dev, + " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", + estats->rx_unknown_protocol, estats->tx_bytes); + dev_info(&pf->pdev->dev, + " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", + estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); + dev_info(&pf->pdev->dev, + " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", + estats->tx_discards, estats->tx_errors); +} + +/** + * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb + * @pf: the i40e_pf created in command write + * @seid: the seid the user put in + **/ +static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) +{ + struct i40e_veb *veb; + + if ((seid < I40E_BASE_VEB_SEID) || + (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) { + dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); + return; + } + + veb = i40e_dbg_find_veb(pf, seid); + if (!veb) { + dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); + return; + } + dev_info(&pf->pdev->dev, + "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", + veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, + veb->uplink_seid, + veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); + i40e_dbg_dump_eth_stats(pf, &veb->stats); +} + +/** + * i40e_dbg_dump_veb_all - dumps all known veb's stats + * @pf: the i40e_pf created in command write + **/ +static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) +{ + struct i40e_veb *veb; + int i; + + for (i = 0; i < I40E_MAX_VEB; i++) { + veb = pf->veb[i]; + if (veb) + i40e_dbg_dump_veb_seid(pf, veb->seid); + } +} + +/** + * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR + * @pf: the PF that would be altered + * @flag: flag that needs enabling or disabling + * @enable: Enable/disable FD SD/ATR + **/ +static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable) +{ + if (enable) { + pf->flags |= flag; + } else { + pf->flags &= ~flag; + pf->auto_disable_flags |= flag; + } + dev_info(&pf->pdev->dev, "requesting a PF reset\n"); + i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); +} + +#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) +/** + * i40e_dbg_command_write - write into command datum + * @filp: the opened file + * @buffer: where to find the user's data + * @count: the length of the user's data + * @ppos: file position offset + **/ +static ssize_t i40e_dbg_command_write(struct file *filp, + const char __user *buffer, + size_t count, loff_t *ppos) +{ + struct i40e_pf *pf = filp->private_data; + char *cmd_buf, *cmd_buf_tmp; + int bytes_not_copied; + struct i40e_vsi *vsi; + int vsi_seid; + int veb_seid; + int cnt; + + /* don't allow partial writes */ + if (*ppos != 0) + return 0; + + cmd_buf = kzalloc(count + 1, GFP_KERNEL); + if (!cmd_buf) + return count; + bytes_not_copied = copy_from_user(cmd_buf, buffer, count); + if (bytes_not_copied < 0) { + kfree(cmd_buf); + return bytes_not_copied; + } + if (bytes_not_copied > 0) + count -= bytes_not_copied; + cmd_buf[count] = '\0'; + + cmd_buf_tmp = strchr(cmd_buf, '\n'); + if (cmd_buf_tmp) { + *cmd_buf_tmp = '\0'; + count = cmd_buf_tmp - cmd_buf + 1; + } + + if (strncmp(cmd_buf, "add vsi", 7) == 0) { + vsi_seid = -1; + cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); + if (cnt == 0) { + /* default to PF VSI */ + vsi_seid = pf->vsi[pf->lan_vsi]->seid; + } else if (vsi_seid < 0) { + dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", + vsi_seid); + goto command_write_done; + } + + /* By default we are in VEPA mode, if this is the first VF/VMDq + * VSI to be added switch to VEB mode. + */ + if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { + pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; + i40e_do_reset_safe(pf, + BIT_ULL(__I40E_PF_RESET_REQUESTED)); + } + + vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); + if (vsi) + dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", + vsi->seid, vsi->uplink_seid); + else + dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); + + } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { + sscanf(&cmd_buf[7], "%i", &vsi_seid); + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", + vsi_seid); + goto command_write_done; + } + + dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); + i40e_vsi_release(vsi); + + } else if (strncmp(cmd_buf, "add relay", 9) == 0) { + struct i40e_veb *veb; + int uplink_seid, i; + + cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); + if (cnt != 2) { + dev_info(&pf->pdev->dev, + "add relay: bad command string, cnt=%d\n", + cnt); + goto command_write_done; + } else if (uplink_seid < 0) { + dev_info(&pf->pdev->dev, + "add relay %d: bad uplink seid\n", + uplink_seid); + goto command_write_done; + } + + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "add relay: VSI %d not found\n", vsi_seid); + goto command_write_done; + } + + for (i = 0; i < I40E_MAX_VEB; i++) + if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) + break; + if (i >= I40E_MAX_VEB && uplink_seid != 0 && + uplink_seid != pf->mac_seid) { + dev_info(&pf->pdev->dev, + "add relay: relay uplink %d not found\n", + uplink_seid); + goto command_write_done; + } + + veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, + vsi->tc_config.enabled_tc); + if (veb) + dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); + else + dev_info(&pf->pdev->dev, "add relay failed\n"); + + } else if (strncmp(cmd_buf, "del relay", 9) == 0) { + int i; + cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); + if (cnt != 1) { + dev_info(&pf->pdev->dev, + "del relay: bad command string, cnt=%d\n", + cnt); + goto command_write_done; + } else if (veb_seid < 0) { + dev_info(&pf->pdev->dev, + "del relay %d: bad relay seid\n", veb_seid); + goto command_write_done; + } + + /* find the veb */ + for (i = 0; i < I40E_MAX_VEB; i++) + if (pf->veb[i] && pf->veb[i]->seid == veb_seid) + break; + if (i >= I40E_MAX_VEB) { + dev_info(&pf->pdev->dev, + "del relay: relay %d not found\n", veb_seid); + goto command_write_done; + } + + dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); + i40e_veb_release(pf->veb[i]); + + } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { + struct i40e_mac_filter *f; + int vlan = 0; + u8 ma[6]; + int ret; + + cnt = sscanf(&cmd_buf[11], + "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", + &vsi_seid, + &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], + &vlan); + if (cnt == 7) { + vlan = 0; + } else if (cnt != 8) { + dev_info(&pf->pdev->dev, + "add macaddr: bad command string, cnt=%d\n", + cnt); + goto command_write_done; + } + + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "add macaddr: VSI %d not found\n", vsi_seid); + goto command_write_done; + } + + f = i40e_add_filter(vsi, ma, vlan, false, false); + ret = i40e_sync_vsi_filters(vsi); + if (f && !ret) + dev_info(&pf->pdev->dev, + "add macaddr: %pM vlan=%d added to VSI %d\n", + ma, vlan, vsi_seid); + else + dev_info(&pf->pdev->dev, + "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", + ma, vlan, vsi_seid, f, ret); + + } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { + int vlan = 0; + u8 ma[6]; + int ret; + + cnt = sscanf(&cmd_buf[11], + "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", + &vsi_seid, + &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], + &vlan); + if (cnt == 7) { + vlan = 0; + } else if (cnt != 8) { + dev_info(&pf->pdev->dev, + "del macaddr: bad command string, cnt=%d\n", + cnt); + goto command_write_done; + } + + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "del macaddr: VSI %d not found\n", vsi_seid); + goto command_write_done; + } + + i40e_del_filter(vsi, ma, vlan, false, false); + ret = i40e_sync_vsi_filters(vsi); + if (!ret) + dev_info(&pf->pdev->dev, + "del macaddr: %pM vlan=%d removed from VSI %d\n", + ma, vlan, vsi_seid); + else + dev_info(&pf->pdev->dev, + "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", + ma, vlan, vsi_seid, ret); + + } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { + i40e_status ret; + u16 vid; + unsigned int v; + + cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); + if (cnt != 2) { + dev_info(&pf->pdev->dev, + "add pvid: bad command string, cnt=%d\n", cnt); + goto command_write_done; + } + + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", + vsi_seid); + goto command_write_done; + } + + vid = v; + ret = i40e_vsi_add_pvid(vsi, vid); + if (!ret) + dev_info(&pf->pdev->dev, + "add pvid: %d added to VSI %d\n", + vid, vsi_seid); + else + dev_info(&pf->pdev->dev, + "add pvid: %d to VSI %d failed, ret=%d\n", + vid, vsi_seid, ret); + + } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { + + cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); + if (cnt != 1) { + dev_info(&pf->pdev->dev, + "del pvid: bad command string, cnt=%d\n", + cnt); + goto command_write_done; + } + + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "del pvid: VSI %d not found\n", vsi_seid); + goto command_write_done; + } + + i40e_vsi_remove_pvid(vsi); + dev_info(&pf->pdev->dev, + "del pvid: removed from VSI %d\n", vsi_seid); + + } else if (strncmp(cmd_buf, "dump", 4) == 0) { + if (strncmp(&cmd_buf[5], "switch", 6) == 0) { + i40e_fetch_switch_configuration(pf, true); + } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { + cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); + if (cnt > 0) + i40e_dbg_dump_vsi_seid(pf, vsi_seid); + else + i40e_dbg_dump_vsi_no_seid(pf); + } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { + cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); + if (cnt > 0) + i40e_dbg_dump_veb_seid(pf, vsi_seid); + else + i40e_dbg_dump_veb_all(pf); + } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { + int ring_id, desc_n; + if (strncmp(&cmd_buf[10], "rx", 2) == 0) { + cnt = sscanf(&cmd_buf[12], "%i %i %i", + &vsi_seid, &ring_id, &desc_n); + i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, + desc_n, pf, true); + } else if (strncmp(&cmd_buf[10], "tx", 2) + == 0) { + cnt = sscanf(&cmd_buf[12], "%i %i %i", + &vsi_seid, &ring_id, &desc_n); + i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, + desc_n, pf, false); + } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { + i40e_dbg_dump_aq_desc(pf); + } else { + dev_info(&pf->pdev->dev, + "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); + dev_info(&pf->pdev->dev, + "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); + dev_info(&pf->pdev->dev, "dump desc aq\n"); + } + } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { + dev_info(&pf->pdev->dev, + "core reset count: %d\n", pf->corer_count); + dev_info(&pf->pdev->dev, + "global reset count: %d\n", pf->globr_count); + dev_info(&pf->pdev->dev, + "emp reset count: %d\n", pf->empr_count); + dev_info(&pf->pdev->dev, + "pf reset count: %d\n", pf->pfr_count); + dev_info(&pf->pdev->dev, + "pf tx sluggish count: %d\n", + pf->tx_sluggish_count); + } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { + struct i40e_aqc_query_port_ets_config_resp *bw_data; + struct i40e_dcbx_config *cfg = + &pf->hw.local_dcbx_config; + struct i40e_dcbx_config *r_cfg = + &pf->hw.remote_dcbx_config; + int i, ret; + + bw_data = kzalloc(sizeof( + struct i40e_aqc_query_port_ets_config_resp), + GFP_KERNEL); + if (!bw_data) { + ret = -ENOMEM; + goto command_write_done; + } + + ret = i40e_aq_query_port_ets_config(&pf->hw, + pf->mac_seid, + bw_data, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "Query Port ETS Config AQ command failed =0x%x\n", + pf->hw.aq.asq_last_status); + kfree(bw_data); + bw_data = NULL; + goto command_write_done; + } + dev_info(&pf->pdev->dev, + "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", + bw_data->tc_valid_bits, + bw_data->tc_strict_priority_bits, + le16_to_cpu(bw_data->tc_bw_max[0]), + le16_to_cpu(bw_data->tc_bw_max[1])); + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", + bw_data->tc_bw_share_credits[i], + le16_to_cpu(bw_data->tc_bw_limits[i])); + } + + kfree(bw_data); + bw_data = NULL; + + dev_info(&pf->pdev->dev, + "port dcbx_mode=%d\n", cfg->dcbx_mode); + dev_info(&pf->pdev->dev, + "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", + cfg->etscfg.willing, cfg->etscfg.cbs, + cfg->etscfg.maxtcs); + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", + i, cfg->etscfg.prioritytable[i], + cfg->etscfg.tcbwtable[i], + cfg->etscfg.tsatable[i]); + } + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", + i, cfg->etsrec.prioritytable[i], + cfg->etsrec.tcbwtable[i], + cfg->etsrec.tsatable[i]); + } + dev_info(&pf->pdev->dev, + "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", + cfg->pfc.willing, cfg->pfc.mbc, + cfg->pfc.pfccap, cfg->pfc.pfcenable); + dev_info(&pf->pdev->dev, + "port app_table: num_apps=%d\n", cfg->numapps); + for (i = 0; i < cfg->numapps; i++) { + dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", + i, cfg->app[i].priority, + cfg->app[i].selector, + cfg->app[i].protocolid); + } + /* Peer TLV DCBX data */ + dev_info(&pf->pdev->dev, + "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", + r_cfg->etscfg.willing, + r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", + i, r_cfg->etscfg.prioritytable[i], + r_cfg->etscfg.tcbwtable[i], + r_cfg->etscfg.tsatable[i]); + } + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", + i, r_cfg->etsrec.prioritytable[i], + r_cfg->etsrec.tcbwtable[i], + r_cfg->etsrec.tsatable[i]); + } + dev_info(&pf->pdev->dev, + "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", + r_cfg->pfc.willing, + r_cfg->pfc.mbc, + r_cfg->pfc.pfccap, + r_cfg->pfc.pfcenable); + dev_info(&pf->pdev->dev, + "remote port app_table: num_apps=%d\n", + r_cfg->numapps); + for (i = 0; i < r_cfg->numapps; i++) { + dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", + i, r_cfg->app[i].priority, + r_cfg->app[i].selector, + r_cfg->app[i].protocolid); + } + } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { + int cluster_id, table_id; + int index, ret; + u16 buff_len = 4096; + u32 next_index; + u8 next_table; + u8 *buff; + u16 rlen; + + cnt = sscanf(&cmd_buf[18], "%i %i %i", + &cluster_id, &table_id, &index); + if (cnt != 3) { + dev_info(&pf->pdev->dev, + "dump debug fwdata <cluster_id> <table_id> <index>\n"); + goto command_write_done; + } + + dev_info(&pf->pdev->dev, + "AQ debug dump fwdata params %x %x %x %x\n", + cluster_id, table_id, index, buff_len); + buff = kzalloc(buff_len, GFP_KERNEL); + if (!buff) + goto command_write_done; + + ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, + index, buff_len, buff, &rlen, + &next_table, &next_index, + NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "debug dump fwdata AQ Failed %d 0x%x\n", + ret, pf->hw.aq.asq_last_status); + kfree(buff); + buff = NULL; + goto command_write_done; + } + dev_info(&pf->pdev->dev, + "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", + rlen, next_table, next_index); + print_hex_dump(KERN_INFO, "AQ buffer WB: ", + DUMP_PREFIX_OFFSET, 16, 1, + buff, rlen, true); + kfree(buff); + buff = NULL; + } else { + dev_info(&pf->pdev->dev, + "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); + dev_info(&pf->pdev->dev, "dump switch\n"); + dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); + dev_info(&pf->pdev->dev, "dump reset stats\n"); + dev_info(&pf->pdev->dev, "dump port\n"); + dev_info(&pf->pdev->dev, + "dump debug fwdata <cluster_id> <table_id> <index>\n"); + } + + } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { + u32 level; + cnt = sscanf(&cmd_buf[10], "%i", &level); + if (cnt) { + if (I40E_DEBUG_USER & level) { + pf->hw.debug_mask = level; + dev_info(&pf->pdev->dev, + "set hw.debug_mask = 0x%08x\n", + pf->hw.debug_mask); + } + pf->msg_enable = level; + dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", + pf->msg_enable); + } else { + dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", + pf->msg_enable); + } + } else if (strncmp(cmd_buf, "pfr", 3) == 0) { + dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); + i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); + + } else if (strncmp(cmd_buf, "corer", 5) == 0) { + dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); + i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED)); + + } else if (strncmp(cmd_buf, "globr", 5) == 0) { + dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); + i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED)); + + } else if (strncmp(cmd_buf, "empr", 4) == 0) { + dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); + i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED)); + + } else if (strncmp(cmd_buf, "read", 4) == 0) { + u32 address; + u32 value; + cnt = sscanf(&cmd_buf[4], "%i", &address); + if (cnt != 1) { + dev_info(&pf->pdev->dev, "read <reg>\n"); + goto command_write_done; + } + + /* check the range on address */ + if (address >= I40E_MAX_REGISTER) { + dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n", + address); + goto command_write_done; + } + + value = rd32(&pf->hw, address); + dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", + address, value); + + } else if (strncmp(cmd_buf, "write", 5) == 0) { + u32 address, value; + cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); + if (cnt != 2) { + dev_info(&pf->pdev->dev, "write <reg> <value>\n"); + goto command_write_done; + } + + /* check the range on address */ + if (address >= I40E_MAX_REGISTER) { + dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n", + address); + goto command_write_done; + } + wr32(&pf->hw, address, value); + value = rd32(&pf->hw, address); + dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", + address, value); + } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { + if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { + cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); + if (cnt == 0) { + int i; + for (i = 0; i < pf->num_alloc_vsi; i++) + i40e_vsi_reset_stats(pf->vsi[i]); + dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); + } else if (cnt == 1) { + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "clear_stats vsi: bad vsi %d\n", + vsi_seid); + goto command_write_done; + } + i40e_vsi_reset_stats(vsi); + dev_info(&pf->pdev->dev, + "vsi clear stats called for vsi %d\n", + vsi_seid); + } else { + dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); + } + } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { + if (pf->hw.partition_id == 1) { + i40e_pf_reset_stats(pf); + dev_info(&pf->pdev->dev, "port stats cleared\n"); + } else { + dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); + } + } else { + dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); + } + } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { + struct i40e_aq_desc *desc; + i40e_status ret; + + desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); + if (!desc) + goto command_write_done; + cnt = sscanf(&cmd_buf[11], + "%hi %hi %hi %hi %i %i %i %i %i %i", + &desc->flags, + &desc->opcode, &desc->datalen, &desc->retval, + &desc->cookie_high, &desc->cookie_low, + &desc->params.internal.param0, + &desc->params.internal.param1, + &desc->params.internal.param2, + &desc->params.internal.param3); + if (cnt != 10) { + dev_info(&pf->pdev->dev, + "send aq_cmd: bad command string, cnt=%d\n", + cnt); + kfree(desc); + desc = NULL; + goto command_write_done; + } + ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); + if (!ret) { + dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); + } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { + dev_info(&pf->pdev->dev, + "AQ command send failed Opcode %x AQ Error: %d\n", + desc->opcode, pf->hw.aq.asq_last_status); + } else { + dev_info(&pf->pdev->dev, + "AQ command send failed Opcode %x Status: %d\n", + desc->opcode, ret); + } + dev_info(&pf->pdev->dev, + "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", + desc->flags, desc->opcode, desc->datalen, desc->retval, + desc->cookie_high, desc->cookie_low, + desc->params.internal.param0, + desc->params.internal.param1, + desc->params.internal.param2, + desc->params.internal.param3); + kfree(desc); + desc = NULL; + } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { + struct i40e_aq_desc *desc; + i40e_status ret; + u16 buffer_len; + u8 *buff; + + desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); + if (!desc) + goto command_write_done; + cnt = sscanf(&cmd_buf[20], + "%hi %hi %hi %hi %i %i %i %i %i %i %hi", + &desc->flags, + &desc->opcode, &desc->datalen, &desc->retval, + &desc->cookie_high, &desc->cookie_low, + &desc->params.internal.param0, + &desc->params.internal.param1, + &desc->params.internal.param2, + &desc->params.internal.param3, + &buffer_len); + if (cnt != 11) { + dev_info(&pf->pdev->dev, + "send indirect aq_cmd: bad command string, cnt=%d\n", + cnt); + kfree(desc); + desc = NULL; + goto command_write_done; + } + /* Just stub a buffer big enough in case user messed up */ + if (buffer_len == 0) + buffer_len = 1280; + + buff = kzalloc(buffer_len, GFP_KERNEL); + if (!buff) { + kfree(desc); + desc = NULL; + goto command_write_done; + } + desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); + ret = i40e_asq_send_command(&pf->hw, desc, buff, + buffer_len, NULL); + if (!ret) { + dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); + } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { + dev_info(&pf->pdev->dev, + "AQ command send failed Opcode %x AQ Error: %d\n", + desc->opcode, pf->hw.aq.asq_last_status); + } else { + dev_info(&pf->pdev->dev, + "AQ command send failed Opcode %x Status: %d\n", + desc->opcode, ret); + } + dev_info(&pf->pdev->dev, + "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", + desc->flags, desc->opcode, desc->datalen, desc->retval, + desc->cookie_high, desc->cookie_low, + desc->params.internal.param0, + desc->params.internal.param1, + desc->params.internal.param2, + desc->params.internal.param3); + print_hex_dump(KERN_INFO, "AQ buffer WB: ", + DUMP_PREFIX_OFFSET, 16, 1, + buff, buffer_len, true); + kfree(buff); + buff = NULL; + kfree(desc); + desc = NULL; + } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || + (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { + struct i40e_fdir_filter fd_data; + u16 packet_len, i, j = 0; + char *asc_packet; + u8 *raw_packet; + bool add = false; + int ret; + + if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) + goto command_write_done; + + if (strncmp(cmd_buf, "add", 3) == 0) + add = true; + + if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) + goto command_write_done; + + asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, + GFP_KERNEL); + if (!asc_packet) + goto command_write_done; + + raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, + GFP_KERNEL); + + if (!raw_packet) { + kfree(asc_packet); + asc_packet = NULL; + goto command_write_done; + } + + cnt = sscanf(&cmd_buf[13], + "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", + &fd_data.q_index, + &fd_data.flex_off, &fd_data.pctype, + &fd_data.dest_vsi, &fd_data.dest_ctl, + &fd_data.fd_status, &fd_data.cnt_index, + &fd_data.fd_id, &packet_len, asc_packet); + if (cnt != 10) { + dev_info(&pf->pdev->dev, + "program fd_filter: bad command string, cnt=%d\n", + cnt); + kfree(asc_packet); + asc_packet = NULL; + kfree(raw_packet); + goto command_write_done; + } + + /* fix packet length if user entered 0 */ + if (packet_len == 0) + packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; + + /* make sure to check the max as well */ + packet_len = min_t(u16, + packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); + + for (i = 0; i < packet_len; i++) { + sscanf(&asc_packet[j], "%2hhx ", + &raw_packet[i]); + j += 3; + } + dev_info(&pf->pdev->dev, "FD raw packet dump\n"); + print_hex_dump(KERN_INFO, "FD raw packet: ", + DUMP_PREFIX_OFFSET, 16, 1, + raw_packet, packet_len, true); + ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); + if (!ret) { + dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); + } else { + dev_info(&pf->pdev->dev, + "Filter command send failed %d\n", ret); + } + kfree(raw_packet); + raw_packet = NULL; + kfree(asc_packet); + asc_packet = NULL; + } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) { + i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false); + } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) { + i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true); + } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { + dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", + i40e_get_current_fd_count(pf)); + } else if (strncmp(cmd_buf, "lldp", 4) == 0) { + if (strncmp(&cmd_buf[5], "stop", 4) == 0) { + int ret; + ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "Stop LLDP AQ command failed =0x%x\n", + pf->hw.aq.asq_last_status); + goto command_write_done; + } + ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, + pf->hw.mac.addr, + I40E_ETH_P_LLDP, 0, + pf->vsi[pf->lan_vsi]->seid, + 0, true, NULL, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "%s: Add Control Packet Filter AQ command failed =0x%x\n", + __func__, pf->hw.aq.asq_last_status); + goto command_write_done; + } +#ifdef CONFIG_I40E_DCB + pf->dcbx_cap = DCB_CAP_DCBX_HOST | + DCB_CAP_DCBX_VER_IEEE; +#endif /* CONFIG_I40E_DCB */ + } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { + int ret; + ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, + pf->hw.mac.addr, + I40E_ETH_P_LLDP, 0, + pf->vsi[pf->lan_vsi]->seid, + 0, false, NULL, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "%s: Remove Control Packet Filter AQ command failed =0x%x\n", + __func__, pf->hw.aq.asq_last_status); + /* Continue and start FW LLDP anyways */ + } + + ret = i40e_aq_start_lldp(&pf->hw, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "Start LLDP AQ command failed =0x%x\n", + pf->hw.aq.asq_last_status); + goto command_write_done; + } +#ifdef CONFIG_I40E_DCB + pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | + DCB_CAP_DCBX_VER_IEEE; +#endif /* CONFIG_I40E_DCB */ + } else if (strncmp(&cmd_buf[5], + "get local", 9) == 0) { + u16 llen, rlen; + int ret; + u8 *buff; + buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); + if (!buff) + goto command_write_done; + + ret = i40e_aq_get_lldp_mib(&pf->hw, 0, + I40E_AQ_LLDP_MIB_LOCAL, + buff, I40E_LLDPDU_SIZE, + &llen, &rlen, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "Get LLDP MIB (local) AQ command failed =0x%x\n", + pf->hw.aq.asq_last_status); + kfree(buff); + buff = NULL; + goto command_write_done; + } + dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); + print_hex_dump(KERN_INFO, "LLDP MIB (local): ", + DUMP_PREFIX_OFFSET, 16, 1, + buff, I40E_LLDPDU_SIZE, true); + kfree(buff); + buff = NULL; + } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { + u16 llen, rlen; + int ret; + u8 *buff; + buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); + if (!buff) + goto command_write_done; + + ret = i40e_aq_get_lldp_mib(&pf->hw, + I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, + I40E_AQ_LLDP_MIB_REMOTE, + buff, I40E_LLDPDU_SIZE, + &llen, &rlen, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "Get LLDP MIB (remote) AQ command failed =0x%x\n", + pf->hw.aq.asq_last_status); + kfree(buff); + buff = NULL; + goto command_write_done; + } + dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); + print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", + DUMP_PREFIX_OFFSET, 16, 1, + buff, I40E_LLDPDU_SIZE, true); + kfree(buff); + buff = NULL; + } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { + int ret; + ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, + true, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", + pf->hw.aq.asq_last_status); + goto command_write_done; + } + } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { + int ret; + ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, + false, NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", + pf->hw.aq.asq_last_status); + goto command_write_done; + } + } + } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { + u16 buffer_len, bytes; + u16 module; + u32 offset; + u16 *buff; + int ret; + + cnt = sscanf(&cmd_buf[8], "%hx %x %hx", + &module, &offset, &buffer_len); + if (cnt == 0) { + module = 0; + offset = 0; + buffer_len = 0; + } else if (cnt == 1) { + offset = 0; + buffer_len = 0; + } else if (cnt == 2) { + buffer_len = 0; + } else if (cnt > 3) { + dev_info(&pf->pdev->dev, + "nvm read: bad command string, cnt=%d\n", cnt); + goto command_write_done; + } + + /* set the max length */ + buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); + + bytes = 2 * buffer_len; + + /* read at least 1k bytes, no more than 4kB */ + bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); + buff = kzalloc(bytes, GFP_KERNEL); + if (!buff) + goto command_write_done; + + ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); + if (ret) { + dev_info(&pf->pdev->dev, + "Failed Acquiring NVM resource for read err=%d status=0x%x\n", + ret, pf->hw.aq.asq_last_status); + kfree(buff); + goto command_write_done; + } + + ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), + bytes, (u8 *)buff, true, NULL); + i40e_release_nvm(&pf->hw); + if (ret) { + dev_info(&pf->pdev->dev, + "Read NVM AQ failed err=%d status=0x%x\n", + ret, pf->hw.aq.asq_last_status); + } else { + dev_info(&pf->pdev->dev, + "Read NVM module=0x%x offset=0x%x words=%d\n", + module, offset, buffer_len); + if (bytes) + print_hex_dump(KERN_INFO, "NVM Dump: ", + DUMP_PREFIX_OFFSET, 16, 2, + buff, bytes, true); + } + kfree(buff); + buff = NULL; + } else { + dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); + dev_info(&pf->pdev->dev, "available commands\n"); + dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); + dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); + dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); + dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); + dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); + dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); + dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); + dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); + dev_info(&pf->pdev->dev, " dump switch\n"); + dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); + dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); + dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); + dev_info(&pf->pdev->dev, " dump desc aq\n"); + dev_info(&pf->pdev->dev, " dump reset stats\n"); + dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); + dev_info(&pf->pdev->dev, " msg_enable [level]\n"); + dev_info(&pf->pdev->dev, " read <reg>\n"); + dev_info(&pf->pdev->dev, " write <reg> <value>\n"); + dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); + dev_info(&pf->pdev->dev, " clear_stats port\n"); + dev_info(&pf->pdev->dev, " pfr\n"); + dev_info(&pf->pdev->dev, " corer\n"); + dev_info(&pf->pdev->dev, " globr\n"); + dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); + dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); + dev_info(&pf->pdev->dev, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n"); + dev_info(&pf->pdev->dev, " rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n"); + dev_info(&pf->pdev->dev, " fd-atr off\n"); + dev_info(&pf->pdev->dev, " fd-atr on\n"); + dev_info(&pf->pdev->dev, " fd current cnt"); + dev_info(&pf->pdev->dev, " lldp start\n"); + dev_info(&pf->pdev->dev, " lldp stop\n"); + dev_info(&pf->pdev->dev, " lldp get local\n"); + dev_info(&pf->pdev->dev, " lldp get remote\n"); + dev_info(&pf->pdev->dev, " lldp event on\n"); + dev_info(&pf->pdev->dev, " lldp event off\n"); + dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); + } + +command_write_done: + kfree(cmd_buf); + cmd_buf = NULL; + return count; +} + +static const struct file_operations i40e_dbg_command_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = i40e_dbg_command_read, + .write = i40e_dbg_command_write, +}; + +/************************************************************** + * netdev_ops + * The netdev_ops entry in debugfs is for giving the driver commands + * to be executed from the netdev operations. + **************************************************************/ +static char i40e_dbg_netdev_ops_buf[256] = ""; + +/** + * i40e_dbg_netdev_ops - read for netdev_ops datum + * @filp: the opened file + * @buffer: where to write the data for the user to read + * @count: the size of the user's buffer + * @ppos: file position offset + **/ +static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, + size_t count, loff_t *ppos) +{ + struct i40e_pf *pf = filp->private_data; + int bytes_not_copied; + int buf_size = 256; + char *buf; + int len; + + /* don't allow partal reads */ + if (*ppos != 0) + return 0; + if (count < buf_size) + return -ENOSPC; + + buf = kzalloc(buf_size, GFP_KERNEL); + if (!buf) + return -ENOSPC; + + len = snprintf(buf, buf_size, "%s: %s\n", + pf->vsi[pf->lan_vsi]->netdev->name, + i40e_dbg_netdev_ops_buf); + + bytes_not_copied = copy_to_user(buffer, buf, len); + kfree(buf); + + if (bytes_not_copied < 0) + return bytes_not_copied; + + *ppos = len; + return len; +} + +/** + * i40e_dbg_netdev_ops_write - write into netdev_ops datum + * @filp: the opened file + * @buffer: where to find the user's data + * @count: the length of the user's data + * @ppos: file position offset + **/ +static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, + const char __user *buffer, + size_t count, loff_t *ppos) +{ + struct i40e_pf *pf = filp->private_data; + int bytes_not_copied; + struct i40e_vsi *vsi; + char *buf_tmp; + int vsi_seid; + int i, cnt; + + /* don't allow partial writes */ + if (*ppos != 0) + return 0; + if (count >= sizeof(i40e_dbg_netdev_ops_buf)) + return -ENOSPC; + + memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); + bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, + buffer, count); + if (bytes_not_copied < 0) + return bytes_not_copied; + else if (bytes_not_copied > 0) + count -= bytes_not_copied; + i40e_dbg_netdev_ops_buf[count] = '\0'; + + buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); + if (buf_tmp) { + *buf_tmp = '\0'; + count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; + } + + if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { + cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); + if (cnt != 1) { + dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); + goto netdev_ops_write_done; + } + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "tx_timeout: VSI %d not found\n", vsi_seid); + } else if (!vsi->netdev) { + dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", + vsi_seid); + } else if (test_bit(__I40E_DOWN, &vsi->state)) { + dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", + vsi_seid); + } else if (rtnl_trylock()) { + vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); + rtnl_unlock(); + dev_info(&pf->pdev->dev, "tx_timeout called\n"); + } else { + dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); + } + } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { + int mtu; + cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", + &vsi_seid, &mtu); + if (cnt != 2) { + dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); + goto netdev_ops_write_done; + } + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "change_mtu: VSI %d not found\n", vsi_seid); + } else if (!vsi->netdev) { + dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", + vsi_seid); + } else if (rtnl_trylock()) { + vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, + mtu); + rtnl_unlock(); + dev_info(&pf->pdev->dev, "change_mtu called\n"); + } else { + dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); + } + + } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { + cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); + if (cnt != 1) { + dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); + goto netdev_ops_write_done; + } + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, + "set_rx_mode: VSI %d not found\n", vsi_seid); + } else if (!vsi->netdev) { + dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", + vsi_seid); + } else if (rtnl_trylock()) { + vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); + rtnl_unlock(); + dev_info(&pf->pdev->dev, "set_rx_mode called\n"); + } else { + dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); + } + + } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { + cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); + if (cnt != 1) { + dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); + goto netdev_ops_write_done; + } + vsi = i40e_dbg_find_vsi(pf, vsi_seid); + if (!vsi) { + dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", + vsi_seid); + } else if (!vsi->netdev) { + dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", + vsi_seid); + } else { + for (i = 0; i < vsi->num_q_vectors; i++) + napi_schedule(&vsi->q_vectors[i]->napi); + dev_info(&pf->pdev->dev, "napi called\n"); + } + } else { + dev_info(&pf->pdev->dev, "unknown command '%s'\n", + i40e_dbg_netdev_ops_buf); + dev_info(&pf->pdev->dev, "available commands\n"); + dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); + dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); + dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); + dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); + } +netdev_ops_write_done: + return count; +} + +static const struct file_operations i40e_dbg_netdev_ops_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = i40e_dbg_netdev_ops_read, + .write = i40e_dbg_netdev_ops_write, +}; + +/** + * i40e_dbg_pf_init - setup the debugfs directory for the PF + * @pf: the PF that is starting up + **/ +void i40e_dbg_pf_init(struct i40e_pf *pf) +{ + struct dentry *pfile; + const char *name = pci_name(pf->pdev); + const struct device *dev = &pf->pdev->dev; + + pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); + if (!pf->i40e_dbg_pf) + return; + + pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, + &i40e_dbg_command_fops); + if (!pfile) + goto create_failed; + + pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, + &i40e_dbg_dump_fops); + if (!pfile) + goto create_failed; + + pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, + &i40e_dbg_netdev_ops_fops); + if (!pfile) + goto create_failed; + + return; + +create_failed: + dev_info(dev, "debugfs dir/file for %s failed\n", name); + debugfs_remove_recursive(pf->i40e_dbg_pf); + return; +} + +/** + * i40e_dbg_pf_exit - clear out the PF's debugfs entries + * @pf: the PF that is stopping + **/ +void i40e_dbg_pf_exit(struct i40e_pf *pf) +{ + debugfs_remove_recursive(pf->i40e_dbg_pf); + pf->i40e_dbg_pf = NULL; + + kfree(i40e_dbg_dump_buf); + i40e_dbg_dump_buf = NULL; +} + +/** + * i40e_dbg_init - start up debugfs for the driver + **/ +void i40e_dbg_init(void) +{ + i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); + if (!i40e_dbg_root) + pr_info("init of debugfs failed\n"); +} + +/** + * i40e_dbg_exit - clean out the driver's debugfs entries + **/ +void i40e_dbg_exit(void) +{ + debugfs_remove_recursive(i40e_dbg_root); + i40e_dbg_root = NULL; +} + +#endif /* CONFIG_DEBUG_FS */ |