drivers/staging/octeon/ethernet-proc.c

   1 /**********************************************************************
   2  * Author: Cavium Networks
   3  *
   4  * Contact: support@caviumnetworks.com
   5  * This file is part of the OCTEON SDK
   6  *
   7  * Copyright (c) 2003-2007 Cavium Networks
   8  *
   9  * This file is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License, Version 2, as
  11  * published by the Free Software Foundation.
  12  *
  13  * This file is distributed in the hope that it will be useful, but
  14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
  15  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
  16  * NONINFRINGEMENT.  See the GNU General Public License for more
  17  * details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this file; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  22  * or visit http://www.gnu.org/licenses/.
  23  *
  24  * This file may also be available under a different license from Cavium.
  25  * Contact Cavium Networks for more information
  26 **********************************************************************/
  27 #include <linux/kernel.h>
  28 #include <linux/seq_file.h>
  29 #include <linux/proc_fs.h>
  30 #include <net/dst.h>
  31
  32 #include <asm/octeon/octeon.h>
  33
  34 #include "octeon-ethernet.h"
  35 #include "ethernet-defines.h"
  36
  37 #include "cvmx-helper.h"
  38 #include "cvmx-pip.h"
  39
  40 /**
  41  * User is reading /proc/octeon_ethernet_stats
  42  *
  43  * @m:
  44  * @v:
  45  * Returns
  46  */
  47 static int cvm_oct_stats_show(struct seq_file *m, void *v)
  48 {
  49         struct octeon_ethernet *priv;
  50         int port;
  51
  52         for (port = 0; port < TOTAL_NUMBER_OF_PORTS; port++) {
  53
  54                 if (cvm_oct_device[port]) {
  55                         priv = netdev_priv(cvm_oct_device[port]);
  56
  57                         seq_printf(m, "\nOcteon Port %d (%s)\n", port,
  58                                    cvm_oct_device[port]->name);
  59                         seq_printf(m,
  60                                    "rx_packets:             %12lu\t"
  61                                    "tx_packets:             %12lu\n",
  62                                    priv->stats.rx_packets,
  63                                    priv->stats.tx_packets);
  64                         seq_printf(m,
  65                                    "rx_bytes:               %12lu\t"
  66                                    "tx_bytes:               %12lu\n",
  67                                    priv->stats.rx_bytes, priv->stats.tx_bytes);
  68                         seq_printf(m,
  69                                    "rx_errors:              %12lu\t"
  70                                    "tx_errors:              %12lu\n",
  71                                    priv->stats.rx_errors,
  72                                    priv->stats.tx_errors);
  73                         seq_printf(m,
  74                                    "rx_dropped:             %12lu\t"
  75                                    "tx_dropped:             %12lu\n",
  76                                    priv->stats.rx_dropped,
  77                                    priv->stats.tx_dropped);
  78                         seq_printf(m,
  79                                    "rx_length_errors:       %12lu\t"
  80                                    "tx_aborted_errors:      %12lu\n",
  81                                    priv->stats.rx_length_errors,
  82                                    priv->stats.tx_aborted_errors);
  83                         seq_printf(m,
  84                                    "rx_over_errors:         %12lu\t"
  85                                    "tx_carrier_errors:      %12lu\n",
  86                                    priv->stats.rx_over_errors,
  87                                    priv->stats.tx_carrier_errors);
  88                         seq_printf(m,
  89                                    "rx_crc_errors:          %12lu\t"
  90                                    "tx_fifo_errors:         %12lu\n",
  91                                    priv->stats.rx_crc_errors,
  92                                    priv->stats.tx_fifo_errors);
  93                         seq_printf(m,
  94                                    "rx_frame_errors:        %12lu\t"
  95                                    "tx_heartbeat_errors:    %12lu\n",
  96                                    priv->stats.rx_frame_errors,
  97                                    priv->stats.tx_heartbeat_errors);
  98                         seq_printf(m,
  99                                    "rx_fifo_errors:         %12lu\t"
 100                                    "tx_window_errors:       %12lu\n",
 101                                    priv->stats.rx_fifo_errors,
 102                                    priv->stats.tx_window_errors);
 103                         seq_printf(m,
 104                                    "rx_missed_errors:       %12lu\t"
 105                                    "multicast:              %12lu\n",
 106                                    priv->stats.rx_missed_errors,
 107                                    priv->stats.multicast);
 108                 }
 109         }
 110
 111         return 0;
 112 }
 113
 114 /**
 115  * /proc/octeon_ethernet_stats was openned. Use the single_open iterator
 116  *
 117  * @inode:
 118  * @file:
 119  * Returns
 120  */
 121 static int cvm_oct_stats_open(struct inode *inode, struct file *file)
 122 {
 123         return single_open(file, cvm_oct_stats_show, NULL);
 124 }
 125
 126 static const struct file_operations cvm_oct_stats_operations = {
 127         .open = cvm_oct_stats_open,
 128         .read = seq_read,
 129         .llseek = seq_lseek,
 130         .release = single_release,
 131 };
 132
 133 void cvm_oct_proc_initialize(void)
 134 {
 135         struct proc_dir_entry *entry =
 136             create_proc_entry("octeon_ethernet_stats", 0, NULL);
 137         if (entry)
 138                 entry->proc_fops = &cvm_oct_stats_operations;
 139 }
 140
 141 void cvm_oct_proc_shutdown(void)
 142 {
 143         remove_proc_entry("octeon_ethernet_stats", NULL);
 144 }