1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#!/usr/bin/perl
#
# Module: show-input-policy.pl
#
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that 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.
#
# This code was originally developed by Vyatta, Inc.
# Copyright (C) 2010 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Stephen Hemminger
# Description: Script to display input filter information in pretty form
#
# **** End License ****
#
use strict;
use warnings;
use Getopt::Long;
use lib "/opt/vyatta/share/perl5/";
use Vyatta::Interface;
use Vyatta::Misc;
my $INGRESS = 0xffff;
sub ingress_interface {
my @interfaces;
# Read base qdisc list to find ingress
open( my $tc, '-|', '/sbin/tc qdisc ls' )
or die 'tc qdisc command failed';
while (<$tc>) {
chomp;
# qdisc ingress ffff: dev eth0 parent ffff:fff1 -------------------
my (undef, $qdisc, undef, undef, $dev) = split;
next unless ($qdisc eq 'ingress');
push @interfaces, $dev;
}
close $tc;
return @interfaces;
}
sub qminor {
my $id = shift;
return hex($1) if ( $id =~ /:(.*)$/ );
}
sub get_filter {
my ($interface) = @_;
open( my $tc, '-|',
"/sbin/tc -s -s filter show dev $interface parent ffff:" )
or die 'tc filter command failed: $!';
my $id = $INGRESS;
my ($rate, $policy);
my %filters;
while (<$tc>) {
chomp;
/^filter/ && do {
# filter protocol all pref 20 u32
# filter protocol all pref 20 u32 fh 800: ht divisor 1
# filter protocol all pref 20 u32 fh 800::800 order 2048 ... flowid ffff:2
my @field = split;
next unless $#field >= 16 && $field[15] eq 'flowid';
$id = qminor($field[16]);
};
/^\s+police/ && do {
# police 0x3 rate 80000Kbit burst 16Kb
(undef, undef, undef, $rate) = split;
$rate =~ s/bit$//;
$policy = 'limit';
};
/^\s+action/ && do {
# action order 1: mirred (Egress Redirect to device ifb0) stolen
my (undef, undef, undef, undef, undef, $action) = split;
$policy = lc($action);
};
/^\s+Sent/ && do {
# Sent 960 bytes 88 pkts (dropped 0, overlimits 0)
my ( undef, $sent, undef, undef, undef, undef,
$drop, undef, $over ) = split;
$drop =~ s/,$//;
$over =~ s/\)$//;
$filters{$id} = [ $policy, $sent, $drop, $over, $rate, ];
$id = $INGRESS;
$policy = undef;
$rate = undef;
};
}
return \%filters;
}
sub show {
my $interface = shift;
my $filters = get_filter($interface);
my @classes = keys %{$filters};
return if $#classes < 0; # no ingress
print "\n$interface input:\n";
my $fmt = "%-10s %-10s %-10s %-9s %-9s %s\n";
printf $fmt, 'Class', 'Policy', 'Received', 'Dropped', 'Overlimit', 'Rate';
foreach my $id (sort @classes) {
my @args = @{$filters->{$id}};
my $class = ($id eq $INGRESS) ? 'default' : $id;
my $rate = pop @args;
$rate = '-' unless defined($rate);
printf $fmt, $class, @args, $rate;
}
}
sub show_brief {
my @interfaces = ingress_interface();
my $fmt = "%-10s %-10s %-10s %-9s %-9s\n";
printf $fmt, 'Interface', 'Policy', 'Received', 'Dropped', 'Overlimit';
foreach my $intf (sort @interfaces) {
my $filters = get_filter($intf);
my $policy;
my $receive = 0;
my $dropped = 0;
my $overlimit = 0;
foreach my $id (keys %{$filters}) {
my @args = @{$filters->{$id}};
$policy = $args[0];
$receive += $args[1];
$dropped += $args[2];
$overlimit += $args[3];
}
printf $fmt, $intf, $policy, $receive, $dropped, $overlimit;
}
exit 0;
}
sub usage {
print "Usage: $0 [--type={ethernet,serial}] --brief\n";
print " $0 interface(s)\n";
exit 1;
}
my ($intf_type, $brief);
GetOptions(
'type=s' => \$intf_type,
'brief' => \$brief,
) or usage();
show_brief() if $brief;
if ( $#ARGV == -1 ) {
foreach my $ifname ( getInterfaces() ) {
if ($intf_type) {
my $intf = new Vyatta::Interface($ifname);
next unless ( $intf && $intf_type eq $intf->type() );
}
push @ARGV, $ifname;
}
}
foreach my $interface ( sort @ARGV ) {
show($interface);
}
|
