From 3e73a799516c4bbb1a7c98b87d3c253c23fc5ae5 Mon Sep 17 00:00:00 2001
From: Dietmar Rieder <dietmar.rieder@i-med.ac.at>
Date: Tue, 6 Feb 2024 15:17:39 +0100
Subject: [PATCH] Enable creating a bonding network interface

---
 .../system-connections/ww4-managed.ww         | 28 +++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/overlays/wwinit/etc/NetworkManager/system-connections/ww4-managed.ww b/overlays/wwinit/etc/NetworkManager/system-connections/ww4-managed.ww
index 465565cf..c90f6f1d 100644
--- a/overlays/wwinit/etc/NetworkManager/system-connections/ww4-managed.ww
+++ b/overlays/wwinit/etc/NetworkManager/system-connections/ww4-managed.ww
@@ -12,9 +12,17 @@
 id={{ $connection_id }}
 interface-name={{ $netdev.Device }}
 {{ if $netdev.Type -}}
+{{ if eq $netdev.Type "bond-slave" -}}
+slave-type=bond
+{{- $conn := split $connection_id "_" }}
+{{- $master := index $conn 0 }}
+master={{ $master }}
+type=ethernet
+{{ else }}
 type={{ $netdev.Type }}
-{{ end -}}
 autoconnect=true
+{{ end -}}
+{{ end -}}
 
 {{ if $netdev.Hwaddr -}}
 {{ if eq $netdev.Type "ethernet" -}}
@@ -26,6 +34,22 @@ mtu={{ $netdev.MTU }}
 {{ end -}}
 {{ end -}}
 
+# bond
+{{ if eq $netdev.Type "bond" -}}
+[ethernet]
+{{ if $netdev.MTU -}}
+mtu={{ $netdev.MTU }}
+{{ end -}}
+
+[bond]
+downdelay=0
+miimon=100
+mode=802.3ad
+xmit_hash_policy=layer2+3
+updelay=0
+
+{{ end -}}
+
 {{ if eq $netdev.Type "infiniband" -}}
 [infiniband]
 transport-mode=datagram
@@ -34,7 +58,7 @@ mtu={{ $netdev.MTU }}
 {{ end -}}
 {{ end -}}
 
-{{ if $netdev.IpCIDR -}}
+{{ if and ($netdev.IpCIDR) (ne $netdev.Type "bond-slave") -}}
 [ipv4]
 address={{ $netdev.IpCIDR }}
 {{ if $netdev.Gateway -}}