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qosmngr: Support for mapping internal packets to queue based on packet length

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This commit is contained in:
Rohit Topno 2020-05-20 21:15:17 +05:30
parent cb5d38eb86
commit 024d1bf061
1 changed files with 46 additions and 3 deletions
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49
qosmngr/files/lib/qos/broadcom.sh
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@ -167,12 +167,36 @@ iptables_filter_dscp_filter() {
IP_RULE="$IP_RULE -m dscp --dscp $1"
}
iptables_filter_ip_len_min() {
IP_RULE="$IP_RULE -m length --length $1"
}
iptables_filter_ip_len_max() {
IP_RULE="$IP_RULE:$1"
}
iptables_set_dscp_mark() {
IP_RULE="$IP_RULE -j DSCP --set-dscp $1"
}
mangle_append_rule(){
echo "iptables -t mangle -A FORWARD $IP_RULE" >> /tmp/qos/classify.iptables
iptables_set_traffic_class() {
IP_RULE="$IP_RULE -j MARK --set-xmark 0x$1/0x$1"
}
mangle_append_rule_dscp(){
echo "iptables -t mangle -A FORWARD $IP_RULE" >> /tmp/qos/classify.iptables
}
mangle_append_rule_queue(){
ifname=$1
# check if rule for internal traffic
if [[ ${ifname:0:2} == 'lo' ]]; then
echo "iptables -t mangle -A OUTPUT $IP_RULE" >> /tmp/qos/classify.iptables
fi
# check if rule for LAN traffic
if [[ ${ifname:0:3} == 'eth' ]]; then
echo "iptables -t mangle -A PREROUTING $IP_RULE" >> /tmp/qos/classify.iptables
fi
}
handle_iptables_rules() {
@ -180,6 +204,7 @@ handle_iptables_rules() {
init_iptables_rule
config_get proto "$cid" "proto"
config_get traffic_class "$sid" "traffic_class"
config_get dscp_mark "$cid" "dscp_mark"
config_get dscp_filter "$cid" "dscp_filter"
config_get dest_port "$cid" "dest_port"
@ -190,6 +215,9 @@ handle_iptables_rules() {
config_get dest_mask "$cid" "dest_mask"
config_get src_ip "$cid" "src_ip"
config_get src_mask "$cid" "src_mask"
config_get ip_len_min "$cid" "ip_len_min"
config_get ip_len_max "$cid" "ip_len_max"
config_get ifname "$cid" "ifname"
# filter proto
[ -n "$proto" ] && iptables_filter_proto $proto
@ -221,10 +249,23 @@ handle_iptables_rules() {
#filter dscp
[ -n "$dscp_filter" ] && iptables_filter_dscp_filter $dscp_filter
#filter min. IP packet len.
[ -n "$ip_len_min" ] && iptables_filter_ip_len_min $ip_len_min
#filter max. IP packet len.
[ -n "$ip_len_max" ] && iptables_filter_ip_len_max $ip_len_max
#set dscp mark
[ -n "$dscp_mark" ] && iptables_set_dscp_mark $dscp_mark
[ -n "$IP_RULE" ] && mangle_append_rule
#set packet queue mark
[ -n "$traffic_class" ] && iptables_set_traffic_class $traffic_class
#write iptables rule for dscp marking
[ -n "$IP_RULE" -a -n "$dscp_mark" ] && mangle_append_rule_dscp
#write iptables rule for putting packets in different queue
[ -n "$IP_RULE" -a -n "$traffic_class" -a -n "$ifname" ] && mangle_append_rule_queue $ifname
}
#function to handle a classify section
@ -269,6 +310,8 @@ configure_qos() {
echo "ebtables -t broute -F" > /tmp/qos/classify.ebtables
echo "iptables -t mangle -F FORWARD" > /tmp/qos/classify.iptables
echo "iptables -t mangle -F PREROUTING" >> /tmp/qos/classify.iptables
echo "iptables -t mangle -F OUTPUT" >> /tmp/qos/classify.iptables
config_foreach handle_classify classify