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[v1.12-backport] Introduce fromEgressProxyRule #31930

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[v1.12-backport] Introduce fromEgressProxyRule #31930

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7513e74
proxy/routes: Introduce fromEgressProxyRule
jschwinger233 Apr 12, 2024
385ec33
proxy/routes: Remove fromEgressProxyRule for ci-ipsec-upgrade
jschwinger233 Apr 12, 2024
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7 changes: 7 additions & 0 deletions bpf/init.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,7 @@ function setup_proxy_rules()
# Any packet from an ingress proxy uses a separate routing table that routes
# the packet back to the cilium host device.
from_ingress_rulespec="fwmark 0xA00/0xF00 pref 10 lookup $PROXY_RT_TABLE"
from_egress_rulespec="fwmark 0xB00/0xF00 pref 10 lookup $PROXY_RT_TABLE"

# Any packet to an ingress or egress proxy uses a separate routing table
# that routes the packet to the loopback device regardless of the destination
Expand All @@ -134,6 +135,9 @@ function setup_proxy_rules()
ip -4 rule add $from_ingress_rulespec
fi
fi
if [ ! -z "$(ip -4 rule list $from_egress_rulespec)" ]; then
ip -4 rule delete $from_egress_rulespec 2> /dev/null || true
fi
fi

# Traffic to the host proxy is local
Expand Down Expand Up @@ -165,6 +169,9 @@ function setup_proxy_rules()
ip -6 rule add $from_ingress_rulespec
fi
fi
if [ ! -z "$(ip -6 rule list $from_egress_rulespec)" ]; then
ip -6 rule delete $from_egress_rulespec 2> /dev/null || true
fi
fi

IP6_LLADDR=$(ip -6 addr show dev $HOST_DEV2 | grep inet6 | head -1 | awk '{print $2}' | awk -F'/' '{print $1}')
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