From 64c9fdef02323309e97b2bb682604ada52d651e8 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Fri, 20 Aug 2021 17:13:32 +0200
Subject: pppoe: T3090: migrate to vyos.ifconfig library to use the full
 potential

Now that MSS clamping is done on the "per-interface" level the entire PPPoE
stuff would have needed to get a full copy in GNU BASH for this or, participate
in the common library.

Add a new PPP ip-up script named 99-vyos-pppoe-callback which will call the
vyos.ifconfig.PPPoEIf.update() function to configure everything as done with
all other interfaces. This removes duplicated code for VRF assignment and route
installation when a PPPoE interface is brought up or down.
---
 data/templates/pppoe/ipv6-up.script.tmpl | 37 --------------------------------
 data/templates/pppoe/peer.tmpl           |  8 ++++++-
 2 files changed, 7 insertions(+), 38 deletions(-)

(limited to 'data')

diff --git a/data/templates/pppoe/ipv6-up.script.tmpl b/data/templates/pppoe/ipv6-up.script.tmpl
index 7e1bc33b4..da73cb4d5 100644
--- a/data/templates/pppoe/ipv6-up.script.tmpl
+++ b/data/templates/pppoe/ipv6-up.script.tmpl
@@ -7,43 +7,6 @@ if [ "$6" != "{{ ifname }}" ]; then
     exit
 fi
 
-{% if ipv6 is defined and ipv6.address is defined and ipv6.address.autoconf is defined %}
-# add some info to syslog
-DIALER_PID=$(cat /var/run/{{ ifname }}.pid)
-logger -t pppd[$DIALER_PID] "executing $0"
-logger -t pppd[$DIALER_PID] "configuring interface {{ ifname }} via {{ source_interface }}"
-
-# Configure interface-specific Host/Router behaviour.
-# Note: It is recommended to have the same setting on all interfaces; mixed
-# router/host scenarios are rather uncommon. Possible values are:
-#
-# 0  Forwarding disabled
-# 1  Forwarding enabled
-#
-echo 1 > /proc/sys/net/ipv6/conf/{{ ifname }}/forwarding
-
-# Accept Router Advertisements; autoconfigure using them.
-#
-# It also determines whether or not to transmit Router
-# Solicitations. If and only if the functional setting is to
-# accept Router Advertisements, Router Solicitations will be
-# transmitted. Possible values are:
-#
-# 0  Do not accept Router Advertisements.
-# 1  Accept Router Advertisements if forwarding is disabled.
-# 2  Overrule forwarding behaviour. Accept Router Advertisements
-#    even if forwarding is enabled.
-#
-echo 2 > /proc/sys/net/ipv6/conf/{{ ifname }}/accept_ra
-
-# Autoconfigure addresses using Prefix Information in Router Advertisements.
-echo 1 > /proc/sys/net/ipv6/conf/{{ ifname }}/autoconf
-{% endif %}
-
-{% if dhcpv6_options is defined and dhcpv6_options.pd is defined %}
-# Start wide dhcpv6 client
-systemctl restart dhcp6c@{{ ifname }}.service
-{% endif %}
 
 {% if default_route != 'none' %}
 # See https://phabricator.vyos.net/T2248 & T2220. Determine if we are enslaved
diff --git a/data/templates/pppoe/peer.tmpl b/data/templates/pppoe/peer.tmpl
index 0f78f9384..e8fda2cae 100644
--- a/data/templates/pppoe/peer.tmpl
+++ b/data/templates/pppoe/peer.tmpl
@@ -30,7 +30,7 @@ connect /bin/true
 noauth
 
 # Don't try to proxy ARP for the remote endpoint. User can set proxy
-# arp entries up manually if they wish.  More importantly, having
+# arp entries up manually if they wish. More importantly, having
 # the "proxyarp" parameter set disables the "defaultroute" option.
 noproxyarp
 
@@ -71,8 +71,14 @@ demand
 # passed to the ip-up.d/ip-down.s scripts which is required for VRF support.
 {%   if 'auto' in default_route %}
 defaultroute
+{{ 'defaultroute6' if ipv6 is defined }}
 {%   elif 'force' in default_route %}
 defaultroute
 replacedefaultroute
+{{ 'defaultroute6' if ipv6 is defined }}
 {%   endif %}
+{% else %}
+nodefaultroute
+noreplacedefaultroute
+{{ 'nodefaultroute6' if ipv6 is defined }}
 {% endif %}
-- 
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