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QoS: Use CONNMARK to mark connections in connection tracking

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This patch modifies the connection tracking in that ways that
it sets a connection mark which will be retrieved when a packet
is being redirected to the IFB interface.

This way, we can use classification without having the packet
being sent through iptables first.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Signed-off-by: Daniel Weismüller <daniel.weismueller@ipfire.org>
Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
This commit is contained in:
Daniel Weismüller
2019-10-21 20:45:34 +02:00
committed by Arne Fitzenreiter
parent 7d770777e0
commit 4b5aa97393
1 changed files with 10 additions and 30 deletions
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40
config/qos/makeqosscripts.pl
View File

@@ -371,6 +371,7 @@ print <<END
ip link set $qossettings{'IMQ_DEV'} up
tc filter add dev $qossettings{'RED_DEV'} parent ffff: protocol all u32 match u32 0 0 \\
action connmark \\
action mirred egress redirect dev $qossettings{'IMQ_DEV'}
### ADD HTB QDISC FOR $qossettings{'IMQ_DEV'}
@@ -435,6 +436,9 @@ print <<END
iptables -t mangle -I FORWARD -i $qossettings{'RED_DEV'} -j QOS-INC
iptables -t mangle -A FORWARD -i $qossettings{'RED_DEV'} -j QOS-TOS
# If the packet is already marked, then skip the processing
iptables -t mangle -A QOS-INC -m mark ! --mark 0 -j RETURN
### SET TOS
END
;
@@ -445,8 +449,7 @@ END
$qossettings{'TOS'} = abs $tosruleline[2] * 2;
if ( $tosruleline[1] eq $qossettings{'IMQ_DEV'} )
{
print "\tiptables -t mangle -A QOS-INC -m tos --tos $qossettings{'TOS'} -j MARK --set-mark $qossettings{'CLASS'}\n";
print "\tiptables -t mangle -A QOS-INC -m tos --tos $qossettings{'TOS'} -j RETURN\n";
print "\tiptables -t mangle -A QOS-INC -m mark --mark 0 -m tos --tos $qossettings{'TOS'} -j MARK --set-mark $qossettings{'CLASS'}\n";
}
}
@@ -464,7 +467,7 @@ print "\n\t### SET PORT-RULES\n";
$qossettings{'QPORT'} = $portruleline[4];
$qossettings{'DIP'} = $portruleline[5];
$qossettings{'DPORT'} = $portruleline[6];
print "\tiptables -t mangle -A QOS-INC ";
print "\tiptables -t mangle -A QOS-INC -m mark --mark 0 ";
if ($qossettings{'QIP'} ne ''){
print "-s $qossettings{'QIP'} ";
}
@@ -482,24 +485,6 @@ print "\n\t### SET PORT-RULES\n";
print "--dport $qossettings{'DPORT'} ";
}
print "-j MARK --set-mark $qossettings{'CLASS'}\n";
print "\tiptables -t mangle -A QOS-INC ";
if ($qossettings{'QIP'} ne ''){
print "-s $qossettings{'QIP'} ";
}
if ($qossettings{'DIP'} ne ''){
print "-d $qossettings{'DIP'} ";
}
print "-p $qossettings{'PPROT'} ";
# if (($qossettings{'QPORT'} ne '') || ($qossettings{'DPORT'} ne '')){
# print "-m multiport ";
# }
if ($qossettings{'QPORT'} ne ''){
print "--sport $qossettings{'QPORT'} ";
}
if ($qossettings{'DPORT'} ne ''){
print "--dport $qossettings{'DPORT'} ";
}
print "-j RETURN\n\n";
}
}
@@ -518,7 +503,7 @@ END
$qossettings{'L7PROT'} = $l7ruleline[2];
$qossettings{'QIP'} = $l7ruleline[3];
$qossettings{'DIP'} = $l7ruleline[4];
print "\tiptables -t mangle -A QOS-INC ";
print "\tiptables -t mangle -A QOS-INC -m mark --mark 0 ";
if ($qossettings{'QIP'} ne ''){
print "-s $qossettings{'QIP'} ";
}
@@ -526,14 +511,6 @@ END
print "-d $qossettings{'DIP'} ";
}
print "-m layer7 --l7dir /etc/l7-protocols/protocols --l7proto $qossettings{'L7PROT'} -j MARK --set-mark $qossettings{'CLASS'}\n";
print "\tiptables -t mangle -A QOS-INC ";
if ($qossettings{'QIP'} ne ''){
print "-s $qossettings{'QIP'} ";
}
if ($qossettings{'DIP'} ne ''){
print "-d $qossettings{'DIP'} ";
}
print "-m layer7 --l7dir /etc/l7-protocols/protocols --l7proto $qossettings{'L7PROT'} -j RETURN\n";
}
}
@@ -541,6 +518,9 @@ print <<END
### REDUNDANT: SET ALL NONMARKED PACKETS TO DEFAULT CLASS
iptables -t mangle -A QOS-INC -m mark --mark 0 -j MARK --set-mark $qossettings{'DEFCLASS_INC'}
# Save mark in connection tracking
iptables -t mangle -A QOS-INC -j CONNMARK --save-mark
### SETTING TOS BITS
END
;