systemd/0041-networkd-disable-IPv6-for-bridge-slave.patch

45 lines
1.8 KiB
Diff

From e6fa5ce26d67724cf94addbf14aa100965b78a05 Mon Sep 17 00:00:00 2001
From: Tom Yan <tom.ty89@gmail.com>
Date: Sat, 28 May 2016 13:35:01 +0800
Subject: [PATCH 2/2] networkd: disable IPv6 for bridge slave
If an interface is managed as a bridge slave, we don't want any IP configuration for it. Therefore, disable IPv6 in such case.
(cherry picked from commit 2b00a4e03dc375465de7f60f3a6937cbe8ffdf31)
Resolves: #1352378
---
src/network/networkd-link.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index a6039dd..13f9e89 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -94,7 +94,11 @@ static bool link_ipv6_enabled(Link *link) {
if (!socket_ipv6_is_supported())
return false;
- return link_dhcp6_enabled(link) || link_ipv6ll_enabled(link) || network_has_static_ipv6_addresses(link->network);
+ if (link->network->bridge)
+ return false;
+
+ /* DHCPv6 client will not be started if no IPv6 link-local address is configured. */
+ return link_ipv6ll_enabled(link) || network_has_static_ipv6_addresses(link->network);
}
bool link_lldp_enabled(Link *link) {
@@ -1416,8 +1420,8 @@ static int link_up(Link *link) {
return log_link_error_errno(link, r, "Could not set MAC address: %m");
}
- /* If IPv6 not configured (no static IPv6 address and neither DHCPv6 nor IPv6LL is enabled)
- for this interface then disable IPv6 else enable it. */
+ /* If IPv6 not configured (no static IPv6 address and IPv6LL autoconfiguration is disabled)
+ for this interface, or if it is a bridge slave, then disable IPv6 else enable it. */
(void) link_enable_ipv6(link);
if (link->network->mtu) {
--
2.7.4