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-rw-r--r--src/libsystemd/sd-rtnl/rtnl-types.c17
-rw-r--r--src/network/networkd-tunnel.c110
2 files changed, 127 insertions, 0 deletions
diff --git a/src/libsystemd/sd-rtnl/rtnl-types.c b/src/libsystemd/sd-rtnl/rtnl-types.c
index 96467a32a6..d32855d94c 100644
--- a/src/libsystemd/sd-rtnl/rtnl-types.c
+++ b/src/libsystemd/sd-rtnl/rtnl-types.c
@@ -117,6 +117,19 @@ static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
[IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NLA_U16 },
};
+static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
+ [IFLA_GRE_LINK] = { .type = NLA_U32 },
+ [IFLA_GRE_IFLAGS] = { .type = NLA_U16 },
+ [IFLA_GRE_OFLAGS] = { .type = NLA_U16 },
+ [IFLA_GRE_IKEY] = { .type = NLA_U32 },
+ [IFLA_GRE_OKEY] = { .type = NLA_U32 },
+ [IFLA_GRE_LOCAL] = { .type = NLA_IN_ADDR },
+ [IFLA_GRE_REMOTE] = { .type = NLA_IN_ADDR },
+ [IFLA_GRE_TTL] = { .type = NLA_U8 },
+ [IFLA_GRE_TOS] = { .type = NLA_U8 },
+ [IFLA_GRE_PMTUDISC] = { .type = NLA_U8 },
+};
+
typedef enum NLUnionLinkInfoData {
NL_UNION_LINK_INFO_DATA_BOND,
NL_UNION_LINK_INFO_DATA_BRIDGE,
@@ -124,6 +137,7 @@ typedef enum NLUnionLinkInfoData {
NL_UNION_LINK_INFO_DATA_VETH,
NL_UNION_LINK_INFO_DATA_MACVLAN,
NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL,
+ NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL,
NL_UNION_LINK_INFO_DATA_SIT_TUNNEL,
_NL_UNION_LINK_INFO_DATA_MAX,
_NL_UNION_LINK_INFO_DATA_INVALID = -1
@@ -140,6 +154,7 @@ static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_
[NL_UNION_LINK_INFO_DATA_VETH] = "veth",
[NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
[NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
+ [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
[NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
};
@@ -158,6 +173,8 @@ static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_D
.types = rtnl_link_info_data_macvlan_types },
[NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
.types = rtnl_link_info_data_iptun_types },
+ [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
+ .types = rtnl_link_info_data_ipgre_types },
[NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
.types = rtnl_link_info_data_iptun_types },
};
diff --git a/src/network/networkd-tunnel.c b/src/network/networkd-tunnel.c
index fee474cf4d..9b4cb4f959 100644
--- a/src/network/networkd-tunnel.c
+++ b/src/network/networkd-tunnel.c
@@ -226,6 +226,112 @@ static int netdev_fill_sit_rtnl_message(Link *link, sd_rtnl_message *m) {
return r;
}
+static int netdev_fill_ipgre_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_GRE_LINK, link->ifindex);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_GRE_LINK attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_LOCAL, &netdev->tunnel_local);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_GRE_LOCAL attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_REMOTE, &netdev->tunnel_remote);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_GRE_REMOTE attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, netdev->tunnel_ttl);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_GRE_TTL attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_u8(m, IFLA_GRE_TOS, netdev->tunnel_tos);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_GRE_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;
@@ -281,6 +387,10 @@ int netdev_create_tunnel(Link *link, sd_rtnl_message_handler_t callback) {
return r;
break;
case NETDEV_KIND_GRE:
+ r = netdev_fill_ipgre_rtnl_message(link, m);
+ if(r < 0)
+ return r;
+ break;
default:
return -ENOTSUP;
}