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-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_debugfs.c2076
1 files changed, 2076 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 000000000000..8dbd91f64b74
--- /dev/null
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -0,0 +1,2076 @@
+/*******************************************************************************
+ *
+ * Intel Ethernet Controller XL710 Family Linux Driver
+ * Copyright(c) 2013 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * 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->hw.func_caps.num_vsis; 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;
+ char dump_request_buf[16];
+ bool seid_found = false;
+ int bytes_not_copied;
+ long seid = -1;
+ int buflen = 0;
+ int i, ret;
+ int len;
+ u8 *p;
+
+ /* don't allow partial writes */
+ if (*ppos != 0)
+ return 0;
+ if (count >= sizeof(dump_request_buf))
+ return -ENOSPC;
+
+ bytes_not_copied = copy_from_user(dump_request_buf, buffer, count);
+ if (bytes_not_copied < 0)
+ return bytes_not_copied;
+ if (bytes_not_copied > 0)
+ count -= bytes_not_copied;
+ dump_request_buf[count] = '\0';
+
+ /* decode the SEID given to be dumped */
+ ret = kstrtol(dump_request_buf, 0, &seid);
+ if (ret < 0) {
+ dev_info(&pf->pdev->dev, "bad seid value '%s'\n",
+ dump_request_buf);
+ } 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, len);
+ p += len;
+
+ len = (sizeof(struct i40e_aq_desc)
+ * pf->hw.aq.num_arq_entries);
+ memcpy(p, pf->hw.aq.arq.desc, 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;
+
+ len = (sizeof(struct i40e_q_vector)
+ * vsi->num_q_vectors);
+ memcpy(p, vsi->q_vectors, len);
+ p += len;
+
+ 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;
+
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ len = sizeof(struct i40e_tx_buffer);
+ memcpy(p, vsi->tx_rings[i].tx_bi, len);
+ p += len;
+ }
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ len = sizeof(struct i40e_rx_buffer);
+ 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] = "hello world";
+
+/**
+ * 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 pokem 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);
+ 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);
+ if (vsi->rx_rings) {
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: desc = %p\n",
+ i, vsi->rx_rings[i].desc);
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
+ i, vsi->rx_rings[i].dev,
+ vsi->rx_rings[i].netdev,
+ vsi->rx_rings[i].rx_bi);
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
+ i, vsi->rx_rings[i].state,
+ vsi->rx_rings[i].queue_index,
+ vsi->rx_rings[i].reg_idx);
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
+ i, vsi->rx_rings[i].rx_hdr_len,
+ vsi->rx_rings[i].rx_buf_len,
+ vsi->rx_rings[i].dtype);
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
+ i, vsi->rx_rings[i].hsplit,
+ vsi->rx_rings[i].next_to_use,
+ vsi->rx_rings[i].next_to_clean,
+ vsi->rx_rings[i].ring_active);
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
+ i, vsi->rx_rings[i].rx_stats.packets,
+ vsi->rx_rings[i].rx_stats.bytes,
+ vsi->rx_rings[i].rx_stats.non_eop_descs);
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: rx_stats: alloc_rx_page_failed = %lld, alloc_rx_buff_failed = %lld\n",
+ i,
+ vsi->rx_rings[i].rx_stats.alloc_rx_page_failed,
+ vsi->rx_rings[i].rx_stats.alloc_rx_buff_failed);
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
+ i, vsi->rx_rings[i].size,
+ (long unsigned int)vsi->rx_rings[i].dma);
+ dev_info(&pf->pdev->dev,
+ " rx_rings[%i]: vsi = %p, q_vector = %p\n",
+ i, vsi->rx_rings[i].vsi,
+ vsi->rx_rings[i].q_vector);
+ }
+ }
+ if (vsi->tx_rings) {
+ for (i = 0; i < vsi->num_queue_pairs; i++) {
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: desc = %p\n",
+ i, vsi->tx_rings[i].desc);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
+ i, vsi->tx_rings[i].dev,
+ vsi->tx_rings[i].netdev,
+ vsi->tx_rings[i].tx_bi);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
+ i, vsi->tx_rings[i].state,
+ vsi->tx_rings[i].queue_index,
+ vsi->tx_rings[i].reg_idx);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: dtype = %d\n",
+ i, vsi->tx_rings[i].dtype);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
+ i, vsi->tx_rings[i].hsplit,
+ vsi->tx_rings[i].next_to_use,
+ vsi->tx_rings[i].next_to_clean,
+ vsi->tx_rings[i].ring_active);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
+ i, vsi->tx_rings[i].tx_stats.packets,
+ vsi->tx_rings[i].tx_stats.bytes,
+ vsi->tx_rings[i].tx_stats.restart_queue);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: tx_stats: tx_busy = %lld, completed = %lld, tx_done_old = %lld\n",
+ i,
+ vsi->tx_rings[i].tx_stats.tx_busy,
+ vsi->tx_rings[i].tx_stats.completed,
+ vsi->tx_rings[i].tx_stats.tx_done_old);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
+ i, vsi->tx_rings[i].size,
+ (long unsigned int)vsi->tx_rings[i].dma);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: vsi = %p, q_vector = %p\n",
+ i, vsi->tx_rings[i].vsi,
+ vsi->tx_rings[i].q_vector);
+ dev_info(&pf->pdev->dev,
+ " tx_rings[%i]: DCB tc = %d\n",
+ i, vsi->tx_rings[i].dcb_tc);
+ }
+ }
+ 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);
+ if (vsi->q_vectors) {
+ for (i = 0; i < vsi->num_q_vectors; i++) {
+ dev_info(&pf->pdev->dev,
+ " q_vectors[%i]: base index = %ld\n",
+ i, ((long int)*vsi->q_vectors[i].rx.ring-
+ (long int)*vsi->q_vectors[0].rx.ring)/
+ sizeof(struct i40e_ring));
+ }
+ }
+ 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]);
+ }
+}
+
+/**
+ * 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;
+ int i;
+
+ /* 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);
+ dev_info(&pf->pdev->dev,
+ " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ d->params.raw[0], d->params.raw[1], d->params.raw[2],
+ d->params.raw[3], d->params.raw[4], d->params.raw[5],
+ d->params.raw[6], d->params.raw[7], d->params.raw[8],
+ d->params.raw[9], d->params.raw[10], d->params.raw[11],
+ d->params.raw[12], d->params.raw[13],
+ d->params.raw[14], d->params.raw[15]);
+ }
+
+ 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);
+ dev_info(&pf->pdev->dev,
+ " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ d->params.raw[0], d->params.raw[1], d->params.raw[2],
+ d->params.raw[3], d->params.raw[4], d->params.raw[5],
+ d->params.raw[6], d->params.raw[7], d->params.raw[8],
+ d->params.raw[9], d->params.raw[10], d->params.raw[11],
+ d->params.raw[12], d->params.raw[13],
+ d->params.raw[14], d->params.raw[15]);
+ }
+}
+
+/**
+ * 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)
+{
+ union i40e_rx_desc *ds;
+ 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);
+ if (is_rx_ring)
+ dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
+ else
+ dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
+ return;
+ }
+ if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
+ dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
+ if (is_rx_ring)
+ dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
+ else
+ dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
+ return;
+ }
+ if (is_rx_ring)
+ ring = vsi->rx_rings[ring_id];
+ else
+ ring = vsi->tx_rings[ring_id];
+ 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)
+ ds = I40E_RX_DESC(&ring, i);
+ else
+ ds = (union i40e_rx_desc *)
+ I40E_TX_DESC(&ring, i);
+ if ((sizeof(union i40e_rx_desc) ==
+ sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring))
+ dev_info(&pf->pdev->dev,
+ " d[%03i] = 0x%016llx 0x%016llx\n", i,
+ ds->read.pkt_addr, ds->read.hdr_addr);
+ else
+ dev_info(&pf->pdev->dev,
+ " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
+ i, ds->read.pkt_addr,
+ ds->read.hdr_addr,
+ ds->read.rsvd1, ds->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);
+ return;
+ }
+ if (is_rx_ring)
+ ds = I40E_RX_DESC(&ring, desc_n);
+ else
+ ds = (union i40e_rx_desc *)I40E_TX_DESC(&ring, desc_n);
+ if ((sizeof(union i40e_rx_desc) ==
+ sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring))
+ dev_info(&pf->pdev->dev,
+ "vsi = %02i %s ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
+ vsi_seid, is_rx_ring ? "rx" : "tx", ring_id,
+ desc_n, ds->read.pkt_addr, ds->read.hdr_addr);
+ else
+ 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, ds->read.pkt_addr, ds->read.hdr_addr,
+ ds->read.rsvd1, ds->read.rsvd2);
+ } else {
+ if (is_rx_ring)
+ dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
+ else
+ dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
+ }
+}
+
+/**
+ * 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->hw.func_caps.num_vsis; 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 \trx_errors = \t%lld\n",
+ estats->rx_broadcast, estats->rx_discards, estats->rx_errors);
+ dev_info(&pf->pdev->dev,
+ " rx_missed = \t%lld \trx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
+ estats->rx_missed, 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_stats - handles dump stats write into command datum
+ * @pf: the i40e_pf created in command write
+ * @stats: the stats structure to be dumped
+ **/
+static void i40e_dbg_dump_stats(struct i40e_pf *pf,
+ struct i40e_hw_port_stats *stats)
+{
+ int i;
+
+ dev_info(&pf->pdev->dev, " stats:\n");
+ dev_info(&pf->pdev->dev,
+ " crc_errors = \t\t%lld \tillegal_bytes = \t%lld \terror_bytes = \t\t%lld\n",
+ stats->crc_errors, stats->illegal_bytes, stats->error_bytes);
+ dev_info(&pf->pdev->dev,
+ " mac_local_faults = \t%lld \tmac_remote_faults = \t%lld \trx_length_errors = \t%lld\n",
+ stats->mac_local_faults, stats->mac_remote_faults,
+ stats->rx_length_errors);
+ dev_info(&pf->pdev->dev,
+ " link_xon_rx = \t\t%lld \tlink_xoff_rx = \t\t%lld \tlink_xon_tx = \t\t%lld\n",
+ stats->link_xon_rx, stats->link_xoff_rx, stats->link_xon_tx);
+ dev_info(&pf->pdev->dev,
+ " link_xoff_tx = \t\t%lld \trx_size_64 = \t\t%lld \trx_size_127 = \t\t%lld\n",
+ stats->link_xoff_tx, stats->rx_size_64, stats->rx_size_127);
+ dev_info(&pf->pdev->dev,
+ " rx_size_255 = \t\t%lld \trx_size_511 = \t\t%lld \trx_size_1023 = \t\t%lld\n",
+ stats->rx_size_255, stats->rx_size_511, stats->rx_size_1023);
+ dev_info(&pf->pdev->dev,
+ " rx_size_big = \t\t%lld \trx_undersize = \t\t%lld \trx_jabber = \t\t%lld\n",
+ stats->rx_size_big, stats->rx_undersize, stats->rx_jabber);
+ dev_info(&pf->pdev->dev,
+ " rx_fragments = \t\t%lld \trx_oversize = \t\t%lld \ttx_size_64 = \t\t%lld\n",
+ stats->rx_fragments, stats->rx_oversize, stats->tx_size_64);
+ dev_info(&pf->pdev->dev,
+ " tx_size_127 = \t\t%lld \ttx_size_255 = \t\t%lld \ttx_size_511 = \t\t%lld\n",
+ stats->tx_size_127, stats->tx_size_255, stats->tx_size_511);
+ dev_info(&pf->pdev->dev,
+ " tx_size_1023 = \t\t%lld \ttx_size_big = \t\t%lld \tmac_short_packet_dropped = \t%lld\n",
+ stats->tx_size_1023, stats->tx_size_big,
+ stats->mac_short_packet_dropped);
+ for (i = 0; i < 8; i += 4) {
+ dev_info(&pf->pdev->dev,
+ " priority_xon_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
+ i, stats->priority_xon_rx[i],
+ i+1, stats->priority_xon_rx[i+1],
+ i+2, stats->priority_xon_rx[i+2],
+ i+3, stats->priority_xon_rx[i+3]);
+ }
+ for (i = 0; i < 8; i += 4) {
+ dev_info(&pf->pdev->dev,
+ " priority_xoff_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
+ i, stats->priority_xoff_rx[i],
+ i+1, stats->priority_xoff_rx[i+1],
+ i+2, stats->priority_xoff_rx[i+2],
+ i+3, stats->priority_xoff_rx[i+3]);
+ }
+ for (i = 0; i < 8; i += 4) {
+ dev_info(&pf->pdev->dev,
+ " priority_xon_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
+ i, stats->priority_xon_tx[i],
+ i+1, stats->priority_xon_tx[i+1],
+ i+2, stats->priority_xon_tx[i+2],
+ i+3, stats->priority_xon_rx[i+3]);
+ }
+ for (i = 0; i < 8; i += 4) {
+ dev_info(&pf->pdev->dev,
+ " priority_xoff_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
+ i, stats->priority_xoff_tx[i],
+ i+1, stats->priority_xoff_tx[i+1],
+ i+2, stats->priority_xoff_tx[i+2],
+ i+3, stats->priority_xoff_tx[i+3]);
+ }
+ for (i = 0; i < 8; i += 4) {
+ dev_info(&pf->pdev->dev,
+ " priority_xon_2_xoff[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
+ i, stats->priority_xon_2_xoff[i],
+ i+1, stats->priority_xon_2_xoff[i+1],
+ i+2, stats->priority_xon_2_xoff[i+2],
+ i+3, stats->priority_xon_2_xoff[i+3]);
+ }
+
+ i40e_dbg_dump_eth_stats(pf, &stats->eth);
+}
+
+/**
+ * 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,
+ "%d: can't find veb\n", seid);
+ return;
+ }
+ dev_info(&pf->pdev->dev,
+ "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n",
+ veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
+ veb->uplink_seid);
+ 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);
+ }
+}
+
+#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;
+ int bytes_not_copied;
+ struct i40e_vsi *vsi;
+ u8 *print_buf_start;
+ u8 *print_buf;
+ char *cmd_buf;
+ 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)
+ return bytes_not_copied;
+ if (bytes_not_copied > 0)
+ count -= bytes_not_copied;
+ cmd_buf[count] = '\0';
+
+ print_buf_start = kzalloc(I40E_MAX_DEBUG_OUT_BUFFER, GFP_KERNEL);
+ if (!print_buf_start)
+ goto command_write_done;
+ print_buf = print_buf_start;
+
+ 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;
+ }
+
+ 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 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) {
+ u8 ma[6];
+ int vlan = 0;
+ struct i40e_mac_filter *f;
+ 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) {
+ u8 ma[6];
+ int vlan = 0;
+ 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) {
+ int v;
+ u16 vid;
+ i40e_status ret;
+
+ 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 = (unsigned)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], "stats", 5) == 0) {
+ dev_info(&pf->pdev->dev, "pf stats:\n");
+ i40e_dbg_dump_stats(pf, &pf->stats);
+ dev_info(&pf->pdev->dev, "pf stats_offsets:\n");
+ i40e_dbg_dump_stats(pf, &pf->stats_offsets);
+ } 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);
+ } 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 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 {
+ 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, dump vsi [seid] or\n");
+ dev_info(&pf->pdev->dev, "dump stats\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, "forcing PFR\n");
+ i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
+
+ } else if (strncmp(cmd_buf, "corer", 5) == 0) {
+ dev_info(&pf->pdev->dev, "forcing CoreR\n");
+ i40e_do_reset(pf, (1 << __I40E_CORE_RESET_REQUESTED));
+
+ } else if (strncmp(cmd_buf, "globr", 5) == 0) {
+ dev_info(&pf->pdev->dev, "forcing GlobR\n");
+ i40e_do_reset(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED));
+
+ } else if (strncmp(cmd_buf, "read", 4) == 0) {
+ u32 address;
+ u32 value;
+ cnt = sscanf(&cmd_buf[4], "%x", &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], "%x %x", &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], "%d", &vsi_seid);
+ if (cnt == 0) {
+ int i;
+ for (i = 0; i < pf->hw.func_caps.num_vsis; 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], "pf", 2) == 0) {
+ i40e_pf_reset_stats(pf);
+ dev_info(&pf->pdev->dev, "pf clear stats called\n");
+ } else {
+ dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n");
+ }
+ } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
+ (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
+ struct i40e_fdir_data fd_data;
+ int ret;
+ u16 packet_len, i, j = 0;
+ char *asc_packet;
+ bool add = false;
+
+ asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
+ GFP_KERNEL);
+ if (!asc_packet)
+ goto command_write_done;
+
+ fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
+ GFP_KERNEL);
+
+ if (!fd_data.raw_packet) {
+ kfree(asc_packet);
+ asc_packet = NULL;
+ goto command_write_done;
+ }
+
+ if (strncmp(cmd_buf, "add", 3) == 0)
+ add = true;
+ cnt = sscanf(&cmd_buf[13],
+ "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %512s",
+ &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(fd_data.raw_packet);
+ goto command_write_done;
+ }
+
+ /* fix packet length if user entered 0 */
+ if (packet_len == 0)
+ packet_len = I40E_FDIR_MAX_RAW_PACKET_LOOKUP;
+
+ /* make sure to check the max as well */
+ packet_len = min_t(u16,
+ packet_len, I40E_FDIR_MAX_RAW_PACKET_LOOKUP);
+
+ dev_info(&pf->pdev->dev, "FD raw packet:\n");
+ for (i = 0; i < packet_len; i++) {
+ sscanf(&asc_packet[j], "%2hhx ",
+ &fd_data.raw_packet[i]);
+ j += 3;
+ snprintf(print_buf, 3, "%02x ", fd_data.raw_packet[i]);
+ print_buf += 3;
+ if ((i % 16) == 15) {
+ snprintf(print_buf, 1, "\n");
+ print_buf++;
+ }
+ }
+ dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
+ ret = i40e_program_fdir_filter(&fd_data, 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(fd_data.raw_packet);
+ fd_data.raw_packet = NULL;
+ kfree(asc_packet);
+ asc_packet = NULL;
+ } 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;
+ }
+ } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
+ int ret;
+ 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;
+ }
+ } else if (strncmp(&cmd_buf[5],
+ "get local", 9) == 0) {
+ int ret, i;
+ u8 *buff;
+ u16 llen, rlen;
+ 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,
+ "Get LLDP MIB (local) AQ buffer written back:\n");
+ for (i = 0; i < I40E_LLDPDU_SIZE; i++) {
+ snprintf(print_buf, 3, "%02x ", buff[i]);
+ print_buf += 3;
+ if ((i % 16) == 15) {
+ snprintf(print_buf, 1, "\n");
+ print_buf++;
+ }
+ }
+ dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
+ kfree(buff);
+ buff = NULL;
+ } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
+ int ret, i;
+ u8 *buff;
+ u16 llen, rlen;
+ 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_LOCAL,
+ 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,
+ "Get LLDP MIB (remote) AQ buffer written back:\n");
+ for (i = 0; i < I40E_LLDPDU_SIZE; i++) {
+ snprintf(print_buf, 3, "%02x ", buff[i]);
+ print_buf += 3;
+ if ((i % 16) == 15) {
+ snprintf(print_buf, 1, "\n");
+ print_buf++;
+ }
+ }
+ dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
+ 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, i, 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;
+ }
+
+ /* Read at least 512 words */
+ if (buffer_len == 0)
+ buffer_len = 512;
+
+ bytes = 2 * buffer_len;
+ 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);
+ for (i = 0; i < buffer_len; i++) {
+ if ((i % 16) == 0) {
+ snprintf(print_buf, 11, "\n0x%08x: ",
+ offset + i);
+ print_buf += 11;
+ }
+ snprintf(print_buf, 5, "%04x ", buff[i]);
+ print_buf += 5;
+ }
+ dev_info(&pf->pdev->dev, "%s\n", print_buf_start);
+ }
+ 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 stats\n");
+ dev_info(&pf->pdev->dev, " dump reset stats\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 pf\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, " 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, " 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;
+ kfree(print_buf_start);
+ print_buf = NULL;
+ print_buf_start = 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] = "hello world";
+
+/**
+ * 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;
+ 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';
+
+ 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);
+ goto netdev_ops_write_done;
+ }
+ 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);
+ goto netdev_ops_write_done;
+ }
+ 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);
+ goto netdev_ops_write_done;
+ }
+ 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);
+ goto netdev_ops_write_done;
+ }
+ 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 __attribute__((unused));
+ const char *name = pci_name(pf->pdev);
+
+ pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
+ if (pf->i40e_dbg_pf) {
+ pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf,
+ pf, &i40e_dbg_command_fops);
+ pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
+ &i40e_dbg_dump_fops);
+ pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf,
+ pf, &i40e_dbg_netdev_ops_fops);
+ } else {
+ dev_info(&pf->pdev->dev,
+ "debugfs entry for %s failed\n", name);
+ }
+}
+
+/**
+ * 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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 21:11:49 +0000