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
|
# **** 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.
# Portions created by Vyatta are Copyright (C) 2008 Vyatta, Inc.
# All Rights Reserved.
# **** End License ****
package Vyatta::Qos::Match;
require Vyatta::Config;
use Vyatta::Qos::Util qw(getIfIndex getDsfield getProtocol);
use strict;
use warnings;
sub new {
my ( $that, $config ) = @_;
my $self = { };
my $class = ref($that) || $that;
bless $self, $class;
$self->{_vif} = $config->returnValue("vif");
$self->{_dev} = getIfIndex($config->returnValue("interface"));
foreach my $ip (qw(ip ipv6)) {
next unless $config->exists($ip);
# TODO make this data driven?
my %fields;
$fields{dsfield} = getDsfield( $config->returnValue("$ip dscp"));
$fields{protocol} = getProtocol($config->returnValue("$ip protocol"));
$fields{src} = $config->returnValue("$ip source address");
$fields{dst} = $config->returnValue("$ip destination address");
$fields{sport} = $config->returnValue("$ip source port");
$fields{dport} = $config->returnValue("$ip destination port");
$self->{$ip} = \%fields;
}
return $self;
}
sub filter {
my ( $self, $dev, $parent, $prio, $dsmark ) = @_;
# empty match
return unless %{ $self };
# Special case for when dsmarking is used with ds matching
# original dscp is saved in tc_index
if ($dsmark) {
foreach my $ipver (qw(ip ipv6)) {
my $ip = $self->{$ipver};
next unless $ip && $$ip{dsfield};
printf "filter add dev %s parent %x: protocol $ipver prio 1",
$dev, $parent;
printf " handle %d tcindex", $$ip{dsfield};
}
return;
}
foreach my $ipver (qw(ip ipv6)) {
my $ip = $self->{$ipver};
next unless $ip;
printf "filter add dev %s parent %x: prio %d", $dev, $parent, $prio;
print " protocol $ipver u32";
print " match $ipver dsfield $$ip{dsfield} 0xff"
if defined $$ip{dsfield};
print " match $ipver protocol $$ip{protocol} 0xff"
if defined $$ip{protocol};
print " match $ipver src $$ip{src}"
if defined $$ip{src};
print " match $ipver sport $$ip{sport} 0xffff"
if defined $$ip{sport};
print " match $ipver dst $$ip{dst}"
if defined $$ip{dst};
print " match $ipver dport $$ip{dport} 0xffff"
if defined $$ip{dport};
}
my $indev = $self->{indev};
my $vif = $self->{vif};
if ($vif || $indev) {
printf "filter add dev %s parent %x: prio %d", $dev, $parent, $prio;
print " protocol all basic";
print " match meta\(rt_iif eq $indev\)" if $indev;
print " match meta\(vlan mask 0xfff eq $vif\)" if $vif;
}
}
|
