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authorSusant Sahani <susant@redhat.com>2014-05-15 09:46:40 +0530
committerTom Gundersen <teg@jklm.no>2014-05-19 22:50:23 +0200
commitabf446af60bf1508c8093c5a0a6e4bf10365afb4 (patch)
tree2ffd14735fa0b8c315d18436883e9c4243357a8d /src
parent473dfd7bd5a74b4724818ab8a764c072335fd510 (diff)
networkd: introduce sit tunnel
This patch introduces sit tunnel support to networkd Example conf: file: sit.netdev [NetDev] Name=sit-tun Kind=sit MTUBytes=1480 [Tunnel] Local=10.65.223.238 Remote=10.65.223.239 file: sit.network [Match] Name=em1 [Network] Tunnel=sit-tun [tomegun: rebased]
Diffstat (limited to 'src')
-rw-r--r--src/network/networkd-tunnel.c103
1 files changed, 102 insertions, 1 deletions
diff --git a/src/network/networkd-tunnel.c b/src/network/networkd-tunnel.c
index 5ea28781b3..fee474cf4d 100644
--- a/src/network/networkd-tunnel.c
+++ b/src/network/networkd-tunnel.c
@@ -129,6 +129,103 @@ static int netdev_fill_ipip_rtnl_message(Link *link, sd_rtnl_message *m) {
return r;
}
+static int netdev_fill_sit_rtnl_message(Link *link, sd_rtnl_message *m) {
+ NetDev *netdev;
+ int r;
+
+ assert(link);
+ assert(link->network);
+ assert(link->network->tunnel);
+ assert(m);
+
+ netdev = link->network->tunnel;
+
+ r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_IFNAME, attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ if(netdev->mtu) {
+ r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_MTU attribute: %s",
+ strerror(-r));
+ return r;
+ }
+ }
+
+ r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
+ netdev_kind_to_string(netdev->kind));
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_INFO_DATA attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_IPTUN_LINK attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &netdev->tunnel_local);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_IPTUN_LOCAL attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &netdev->tunnel_remote);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_IPTUN_REMOTE attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TOS, netdev->tunnel_tos);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_IPTUN_TOS attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_INFO_DATA attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ return r;
+}
+
int netdev_create_tunnel(Link *link, sd_rtnl_message_handler_t callback) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
NetDev *netdev;
@@ -178,8 +275,12 @@ int netdev_create_tunnel(Link *link, sd_rtnl_message_handler_t callback) {
if(r < 0)
return r;
break;
- case NETDEV_KIND_GRE:
case NETDEV_KIND_SIT:
+ r = netdev_fill_sit_rtnl_message(link, m);
+ if(r < 0)
+ return r;
+ break;
+ case NETDEV_KIND_GRE:
default:
return -ENOTSUP;
}