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authorYu Watanabe <watanabe.yu+github@gmail.com>2022-01-31 04:54:21 +0100
committerYu Watanabe <watanabe.yu+github@gmail.com>2022-01-31 05:10:28 +0100
commitf4ef1c196c6133a4048eb12766eb0822274e69a2 (patch)
tree36b65920fa0aaec280c4afb4d33587c9cac30c90 /src/network
parentnetwork: configure NDisc after MAC address is assigned (diff)
downloadsystemd-f4ef1c196c6133a4048eb12766eb0822274e69a2.tar.xz
systemd-f4ef1c196c6133a4048eb12766eb0822274e69a2.zip
network: disable NDisc for CAN interfaces
We already disabled DHCP clients for CAN interfaces.
Diffstat (limited to '')
-rw-r--r--src/network/networkd-ndisc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c
index 4193b51093..06c4366b70 100644
--- a/src/network/networkd-ndisc.c
+++ b/src/network/networkd-ndisc.c
@@ -6,6 +6,7 @@
#include <arpa/inet.h>
#include <netinet/icmp6.h>
#include <linux/if.h>
+#include <linux/if_arp.h>
#include "sd-ndisc.h"
@@ -34,6 +35,9 @@ bool link_ipv6_accept_ra_enabled(Link *link) {
if (link->flags & IFF_LOOPBACK)
return false;
+ if (link->iftype == ARPHRD_CAN)
+ return false;
+
if (link->hw_addr.length != ETH_ALEN && !streq_ptr(link->kind, "wwan"))
/* Currently, only interfaces whose MAC address length is ETH_ALEN are supported.
* Note, wwan interfaces may be assigned MAC address slightly later.