#! /usr/bin/perl
-# Copyright (c) 2009 Nicira Networks.
+# Copyright (c) 2009, 2010 Nicira Networks.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
$flow{DL_SRC} = "00:02:e3:0f:80:a4";
$flow{DL_DST} = "00:1a:92:40:ac:05";
$flow{NW_PROTO} = 0;
+ $flow{NW_TOS} = 0;
$flow{NW_SRC} = '0.0.0.0';
$flow{NW_DST} = '0.0.0.0';
$flow{TP_SRC} = 0;
$flow{DL_TYPE} = 0x0800; # ETH_TYPE_IP
$flow{NW_SRC} = '10.0.2.15';
$flow{NW_DST} = '192.168.1.20';
+ $flow{NW_TOS} = 44;
if ($attrs{TP_PROTO} eq 'other') {
$flow{NW_PROTO} = 42;
} elsif ($attrs{TP_PROTO} eq 'TCP' ||
my $packet = '';
$packet .= pack_ethaddr($flow{DL_DST});
$packet .= pack_ethaddr($flow{DL_SRC});
+ if ($flow{DL_VLAN} != 0xffff) {
+ $packet .= pack('nn', 0x8100, $flow{DL_VLAN});
+ }
+ my $len_ofs = length($packet);
$packet .= pack('n', 0) if $attrs{DL_HEADER} =~ /^802.2/;
if ($attrs{DL_HEADER} eq '802.2') {
$packet .= pack('CCC', 0x42, 0x42, 0x03); # LLC for 802.1D STP.
$packet .= pack('CCC', 0xaa, 0xaa, 0x03); # LLC for SNAP.
$packet .= pack('CCC', 0, 0, 0); # SNAP OUI.
}
- if ($attrs{DL_VLAN} ne 'none') {
- $packet .= pack('nn', 0x8100, $flow{DL_VLAN});
- }
$packet .= pack('n', $flow{DL_TYPE});
if ($attrs{DL_TYPE} eq 'ip') {
my $ip = pack('CCnnnCCnNN',
(4 << 4) | 5, # version, hdrlen
- 0, # type of service
+ $flow{NW_TOS}, # type of service
0, # total length (filled in later)
65432, # id
0, # frag offset
$packet .= $ip;
}
}
- substr($packet, 12, 2) = pack('n', length($packet))
- if $attrs{DL_HEADER} =~ /^802.2/;
+ if ($attrs{DL_HEADER} =~ /^802.2/) {
+ my $len = length ($packet);
+ $len -= 4 if $flow{DL_VLAN} != 0xffff;
+ substr($packet, $len_ofs, 2) = pack('n', $len);
+ }
print join(' ', map("$_=$attrs{$_}", keys(%attrs))), "\n";
print join(' ', map("$_=$flow{$_}", keys(%flow))), "\n";
1); # in_port
print FLOWS pack_ethaddr($flow{DL_SRC});
print FLOWS pack_ethaddr($flow{DL_DST});
- print FLOWS pack('nCxnCxxxNNnn',
+ print FLOWS pack('nCxnCCxxNNnn',
$flow{DL_VLAN},
0, # DL_VLAN_PCP
$flow{DL_TYPE},
+ $flow{NW_TOS},
$flow{NW_PROTO},
inet_aton($flow{NW_SRC}),
inet_aton($flow{NW_DST}),