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[action] [PR:22008] [chassis][multi-asic]: Add support for vendor LC ip range for macvlan ip #22125

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Merged
mssonicbld merged 1 commit into from
Mar 25, 2025
Merged

[action] [PR:22008] [chassis][multi-asic]: Add support for vendor LC ip range for macvlan ip #22125

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12 changes: 11 additions & 1 deletion files/build_templates/docker_image_ctl.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -201,8 +201,18 @@ function postStartAction()
ip link set dev ns-eth1"$NET_NS" netns "$NET_NS"
ip netns exec "$NET_NS" ip link set ns-eth1"$NET_NS" name eth1

if [[ -n "$lc_ip_offset" ]]; then
# Use ip offset provided by platform vendor via chassisdb.conf to prevent any conflict
# with any platform IP range, e.g., LC eth1-midplane IP.
ip_offset=$lc_ip_offset
else
# If Vendor has not provided an ip offset, Use 10 as default offset. Platform vendor should
# ensure there is no conflict with platform IP range for any slot.
ip_offset=10
fi

# Configure IP address and enable eth1
slot_ip_address=`echo $midplane_subnet | awk -F. '{print $1 "." $2}'`.$slot_id.$(($DEV + 10))
slot_ip_address=`echo $midplane_subnet | awk -F. '{print $1 "." $2}'`.$slot_id.$(($DEV + $ip_offset))
slot_subnet_mask=${midplane_subnet#*/}
ip netns exec "$NET_NS" ip addr add $slot_ip_address/$slot_subnet_mask dev eth1
ip netns exec "$NET_NS" ip link set dev eth1 up
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