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Diffstat (limited to 'src/network/networkd-netdev-tunnel.c')
-rw-r--r--src/network/networkd-netdev-tunnel.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/network/networkd-netdev-tunnel.c b/src/network/networkd-netdev-tunnel.c
index 265e67b7e3..a906e473b6 100644
--- a/src/network/networkd-netdev-tunnel.c
+++ b/src/network/networkd-netdev-tunnel.c
@@ -284,6 +284,12 @@ static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_netl
if (t->copy_dscp)
t->flags |= IP6_TNL_F_RCV_DSCP_COPY;
+ if (t->encap_limit != IPV6_DEFAULT_TNL_ENCAP_LIMIT) {
+ r = sd_netlink_message_append_u8(m, IFLA_IPTUN_ENCAP_LIMIT, t->encap_limit);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_ENCAP_LIMIT attribute: %m");
+ }
+
r = sd_netlink_message_append_u32(m, IFLA_IPTUN_FLAGS, t->flags);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_FLAGS attribute: %m");
@@ -442,6 +448,45 @@ int config_parse_ipv6_flowlabel(const char* unit,
return 0;
}
+int config_parse_encap_limit(const char* unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ Tunnel *t = userdata;
+ int k = 0;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ if (streq(rvalue, "none"))
+ t->flags |= IP6_TNL_F_IGN_ENCAP_LIMIT;
+ else {
+ r = safe_atoi(rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Failed to parse Tunnel Encapsulation Limit option, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (k > 255 || k < 0)
+ log_syntax(unit, LOG_ERR, filename, line, k, "Invalid Tunnel Encapsulation value, ignoring: %d", k);
+ else {
+ t->encap_limit = k;
+ t->flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT;
+ }
+ }
+
+ return 0;
+}
+
static void ipip_init(NetDev *n) {
Tunnel *t = IPIP(n);