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qosmngr: add ebtable handling for loopback (lo) interface

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If interface is loopback then we add the rule to nat table's
output chain instead of broute tables BROUTING chain
This commit is contained in:
Mohd Husaam Mehdi 2024-07-03 14:15:21 +05:30 • committed by Rahul Thakur
parent 9eb14ac309
commit 6ef90dcd9d
1 changed files with 21 additions and 2 deletions
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23
qosmngr/files/common/lib/qos/ebtables.sh
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@ -150,6 +150,15 @@ broute_filter_on_vid() {
}
broute_append_rule() {
# if src_if is loopback, then add the rule to OUTPUT(qos_output) chain of nat table
if [ "$src_if" = "lo" ]; then
echo "ebtables --concurrent -t nat -A qos_output $BR_RULE" >> /tmp/qos/classify.ebtables
if [ -n "$BR6_RULE" ]; then
echo "ebtables --concurrent -t nat -A qos_output $BR6_RULE" >> /tmp/qos/classify.ebtables
fi
return
fi
local broute_chain="$1"
#when ethertype is not configured by user then both proto rules of ipv4
#and ipv6 to be installed otherwise install ipv6 proto rule only.
@ -449,9 +458,9 @@ handle_ebtables_rules() {
if [ -n "$BR_RULE" ]; then
if [ -n "$vid_mark" ] || [ -n "$pcp_mark" ]; then
broute_append_rule "prevlanxlate"
broute_append_rule "prevlanxlate" "$src_if"
else
broute_append_rule "qos"
broute_append_rule "qos" "$src_if"
fi
fi
}
@ -501,6 +510,15 @@ handle_ebtables_dscp2pbit() {
create_ebtables_chains() {
ebtables --concurrent -t nat -N qos_output -P RETURN 2> /dev/null
ret=$?
if [ $ret -eq 0 ]; then
ebtables --concurrent -t nat -A OUTPUT -j qos_output
else
ebtables --concurrent -t nat -D OUTPUT -j qos_output
ebtables --concurrent -t nat -A OUTPUT -j qos_output
fi
ebtables --concurrent -t broute -N dscp2pbits -P RETURN 2> /dev/null
ret=$?
if [ $ret -eq 0 ]; then
@ -531,6 +549,7 @@ create_ebtables_chains() {
}
flush_ebtables_chains() {
echo "ebtables -t nat -F qos_output" > /tmp/qos/classify.ebtables
echo "ebtables -t broute -F qos" > /tmp/qos/classify.ebtables
echo "ebtables -t broute -F dscp2pbits" >> /tmp/qos/classify.ebtables
echo "ebtables -t broute -F prevlanxlate" >> /tmp/qos/classify.ebtables