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authorSusant Sahani <susant@redhat.com>2014-05-23 12:07:46 +0530
committerTom Gundersen <teg@jklm.no>2014-06-02 16:20:44 +0200
commita613382bbf4357ce13f17c988713b80172e091fb (patch)
tree52bf7572ed5fca075f856e1b32c17e2661808c4d /src/network
parenta9f434cf00d1d36d9a013b9739efe69653dd7279 (diff)
networkd: introduce vti tunnel
This patch enables vti tunnel support. example conf: file : vti.netdev [NetDev] Name=vti-tun Kind=vti MTUBytes=1480 [Tunnel] Local=X.X.X.X Remote=X.X.X.X file: vti.network [Match] Name=em1 [Network] Tunnel=vti-tun TODO: Add more attributes for vti tunnel IFLA_VTI_IKEY IFLA_VTI_OKEY
Diffstat (limited to 'src/network')
-rw-r--r--src/network/networkd-netdev.c7
-rw-r--r--src/network/networkd-network.c3
-rw-r--r--src/network/networkd-tunnel.c95
-rw-r--r--src/network/networkd.h1
4 files changed, 103 insertions, 3 deletions
diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index 4439374a67..1519419c1f 100644
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -39,6 +39,7 @@ static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = {
[NETDEV_KIND_GRE] = "gre",
[NETDEV_KIND_SIT] = "sit",
[NETDEV_KIND_VETH] = "veth",
+ [NETDEV_KIND_VTI] = "vti"
};
DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind);
@@ -393,7 +394,8 @@ int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callbac
if(netdev->kind == NETDEV_KIND_IPIP ||
netdev->kind == NETDEV_KIND_GRE ||
- netdev->kind == NETDEV_KIND_SIT)
+ netdev->kind == NETDEV_KIND_SIT ||
+ netdev->kind == NETDEV_KIND_VTI)
return netdev_create_tunnel(link, netdev_create_handler);
if (netdev->state == NETDEV_STATE_READY) {
@@ -606,7 +608,8 @@ static int netdev_load_one(Manager *manager, const char *filename) {
netdev->kind != NETDEV_KIND_MACVLAN &&
netdev->kind != NETDEV_KIND_IPIP &&
netdev->kind != NETDEV_KIND_GRE &&
- netdev->kind != NETDEV_KIND_SIT) {
+ netdev->kind != NETDEV_KIND_SIT &&
+ netdev->kind != NETDEV_KIND_VTI) {
r = netdev_create(netdev, NULL, NULL);
if (r < 0)
return r;
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index a6cbee2397..f42fc171bd 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -363,7 +363,8 @@ int config_parse_tunnel(const char *unit,
if (netdev->kind != NETDEV_KIND_IPIP &&
netdev->kind != NETDEV_KIND_SIT &&
- netdev->kind != NETDEV_KIND_GRE) {
+ netdev->kind != NETDEV_KIND_GRE &&
+ netdev->kind != NETDEV_KIND_VTI) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"NetDev is not a tunnel, ignoring assignment: %s", rvalue);
return 0;
diff --git a/src/network/networkd-tunnel.c b/src/network/networkd-tunnel.c
index 1a06a17c7b..e3ceb8b52b 100644
--- a/src/network/networkd-tunnel.c
+++ b/src/network/networkd-tunnel.c
@@ -339,6 +339,94 @@ static int netdev_fill_ipgre_rtnl_message(Link *link, sd_rtnl_message *m) {
return r;
}
+static int netdev_fill_vti_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_VTI_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_VTI_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_VTI_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_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;
@@ -371,6 +459,8 @@ int netdev_create_tunnel(Link *link, sd_rtnl_message_handler_t callback) {
return r;
}
break;
+ case NETDEV_KIND_VTI:
+ break;
default:
return -ENOTSUP;
}
@@ -394,6 +484,11 @@ int netdev_create_tunnel(Link *link, sd_rtnl_message_handler_t callback) {
if(r < 0)
return r;
break;
+ case NETDEV_KIND_VTI:
+ netdev_fill_vti_rtnl_message(link, m);
+ if(r < 0)
+ return r;
+ break;
case NETDEV_KIND_GRE:
r = netdev_fill_ipgre_rtnl_message(link, m);
if(r < 0)
diff --git a/src/network/networkd.h b/src/network/networkd.h
index 6f69c9a487..82d8d706b5 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -72,6 +72,7 @@ typedef enum NetDevKind {
NETDEV_KIND_GRE,
NETDEV_KIND_SIT,
NETDEV_KIND_VETH,
+ NETDEV_KIND_VTI,
_NETDEV_KIND_MAX,
_NETDEV_KIND_INVALID = -1
} NetDevKind;