networkd: support vxlan parameters

V3: fix copy paste error
V4: Make manual and config more readable

Add vxlan paramertes to config.

4 files changed, 146 insertions, 39 deletions

diff --git a/src/network/networkd-netdev-gperf.gperf b/src/network/networkd-netdev-gperf.gperf
index c524ee5798..b311ebe4fb 100644
--- a/src/network/networkd-netdev-gperf.gperf
+++ b/src/network/networkd-netdev-gperf.gperf
@@ -18,42 +18,47 @@ struct ConfigPerfItem;
 %struct-type
 %includes
 %%
-Match.Host,              config_parse_net_condition,         CONDITION_HOST,                offsetof(NetDev, match_host)
-Match.Virtualization,    config_parse_net_condition,         CONDITION_VIRTUALIZATION,      offsetof(NetDev, match_virt)
-Match.KernelCommandLine, config_parse_net_condition,         CONDITION_KERNEL_COMMAND_LINE, offsetof(NetDev, match_kernel)
-Match.Architecture,      config_parse_net_condition,         CONDITION_ARCHITECTURE,        offsetof(NetDev, match_arch)
-NetDev.Description,      config_parse_string,                0,                             offsetof(NetDev, description)
-NetDev.Name,             config_parse_ifname,                0,                             offsetof(NetDev, ifname)
-NetDev.Kind,             config_parse_netdev_kind,           0,                             offsetof(NetDev, kind)
-NetDev.MTUBytes,         config_parse_iec_size,              0,                             offsetof(NetDev, mtu)
-NetDev.MACAddress,       config_parse_hwaddr,                0,                             offsetof(NetDev, mac)
-VLAN.Id,                 config_parse_uint64,                0,                             offsetof(VLan, id)
-MACVLAN.Mode,            config_parse_macvlan_mode,          0,                             offsetof(MacVlan, mode)
-Tunnel.Local,            config_parse_tunnel_address,        0,                             offsetof(Tunnel, local)
-Tunnel.Remote,           config_parse_tunnel_address,        0,                             offsetof(Tunnel, remote)
-Tunnel.TOS,              config_parse_unsigned,              0,                             offsetof(Tunnel, tos)
-Tunnel.TTL,              config_parse_unsigned,              0,                             offsetof(Tunnel, ttl)
-Tunnel.DiscoverPathMTU,  config_parse_bool,                  0,                             offsetof(Tunnel, pmtudisc)
-Peer.Name,               config_parse_ifname,                0,                             offsetof(Veth, ifname_peer)
-Peer.MACAddress,         config_parse_hwaddr,                0,                             offsetof(Veth, mac_peer)
-VXLAN.Id,                config_parse_uint64,                0,                             offsetof(VxLan, id)
-VXLAN.Group,             config_parse_tunnel_address,        0,                             offsetof(VxLan, group)
-VXLAN.TOS,               config_parse_unsigned,              0,                             offsetof(VxLan, tos)
-VXLAN.TTL,               config_parse_unsigned,              0,                             offsetof(VxLan, ttl)
-VXLAN.MacLearning,       config_parse_bool,                  0,                             offsetof(VxLan, learning)
-Tun.OneQueue,            config_parse_bool,                  0,                             offsetof(TunTap, one_queue)
-Tun.MultiQueue,          config_parse_bool,                  0,                             offsetof(TunTap, multi_queue)
-Tun.PacketInfo,          config_parse_bool,                  0,                             offsetof(TunTap, packet_info)
-Tun.User,                config_parse_string,                0,                             offsetof(TunTap, user_name)
-Tun.Group,               config_parse_string,                0,                             offsetof(TunTap, group_name)
-Tap.OneQueue,            config_parse_bool,                  0,                             offsetof(TunTap, one_queue)
-Tap.MultiQueue,          config_parse_bool,                  0,                             offsetof(TunTap, multi_queue)
-Tap.PacketInfo,          config_parse_bool,                  0,                             offsetof(TunTap, packet_info)
-Tap.User,                config_parse_string,                0,                             offsetof(TunTap, user_name)
-Tap.Group,               config_parse_string,                0,                             offsetof(TunTap, group_name)
-Bond.Mode,               config_parse_bond_mode,             0,                             offsetof(Bond, mode)
-Bond.TransmitHashPolicy, config_parse_bond_xmit_hash_policy, 0,                             offsetof(Bond, xmit_hash_policy)
-Bond.LACPTransmitRate,   config_parse_bond_lacp_rate,        0,                             offsetof(Bond, lacp_rate)
-Bond.MIIMonitorSec,      config_parse_sec,                   0,                             offsetof(Bond, miimon)
-Bond.UpDelaySec,         config_parse_sec,                   0,                             offsetof(Bond, updelay)
-Bond.DownDelaySec,       config_parse_sec,                   0,                             offsetof(Bond, downdelay)
+Match.Host,               config_parse_net_condition,         CONDITION_HOST,                offsetof(NetDev, match_host)
+Match.Virtualization,     config_parse_net_condition,         CONDITION_VIRTUALIZATION,      offsetof(NetDev, match_virt)
+Match.KernelCommandLine,  config_parse_net_condition,         CONDITION_KERNEL_COMMAND_LINE, offsetof(NetDev, match_kernel)
+Match.Architecture,       config_parse_net_condition,         CONDITION_ARCHITECTURE,        offsetof(NetDev, match_arch)
+NetDev.Description,       config_parse_string,                0,                             offsetof(NetDev, description)
+NetDev.Name,              config_parse_ifname,                0,                             offsetof(NetDev, ifname)
+NetDev.Kind,              config_parse_netdev_kind,           0,                             offsetof(NetDev, kind)
+NetDev.MTUBytes,          config_parse_iec_size,              0,                             offsetof(NetDev, mtu)
+NetDev.MACAddress,        config_parse_hwaddr,                0,                             offsetof(NetDev, mac)
+VLAN.Id,                  config_parse_uint64,                0,                             offsetof(VLan, id)
+MACVLAN.Mode,             config_parse_macvlan_mode,          0,                             offsetof(MacVlan, mode)
+Tunnel.Local,             config_parse_tunnel_address,        0,                             offsetof(Tunnel, local)
+Tunnel.Remote,            config_parse_tunnel_address,        0,                             offsetof(Tunnel, remote)
+Tunnel.TOS,               config_parse_unsigned,              0,                             offsetof(Tunnel, tos)
+Tunnel.TTL,               config_parse_unsigned,              0,                             offsetof(Tunnel, ttl)
+Tunnel.DiscoverPathMTU,   config_parse_bool,                  0,                             offsetof(Tunnel, pmtudisc)
+Peer.Name,                config_parse_ifname,                0,                             offsetof(Veth, ifname_peer)
+Peer.MACAddress,          config_parse_hwaddr,                0,                             offsetof(Veth, mac_peer)
+VXLAN.Id,                 config_parse_uint64,                0,                             offsetof(VxLan, id)
+VXLAN.Group,              config_parse_vxlan_group_address,   0,                             offsetof(VxLan, group)
+VXLAN.TOS,                config_parse_unsigned,              0,                             offsetof(VxLan, tos)
+VXLAN.TTL,                config_parse_unsigned,              0,                             offsetof(VxLan, ttl)
+VXLAN.MacLearning,        config_parse_bool,                  0,                             offsetof(VxLan, learning)
+VXLAN.ARPProxy,           config_parse_bool,                  0,                             offsetof(VxLan, arp_proxy)
+VXLAN.L2MissNotification, config_parse_bool,                  0,                             offsetof(VxLan, l2miss)
+VXLAN.L3MissNotification, config_parse_bool,                  0,                             offsetof(VxLan, l3miss)
+VXLAN.RouteShortCircuit,  config_parse_bool,                  0,                             offsetof(VxLan, route_short_circuit)
+VXLAN.FDBAgeingSec,       config_parse_sec,                   0,                             offsetof(VxLan, fdb_ageing)
+Tun.OneQueue,             config_parse_bool,                  0,                             offsetof(TunTap, one_queue)
+Tun.MultiQueue,           config_parse_bool,                  0,                             offsetof(TunTap, multi_queue)
+Tun.PacketInfo,           config_parse_bool,                  0,                             offsetof(TunTap, packet_info)
+Tun.User,                 config_parse_string,                0,                             offsetof(TunTap, user_name)
+Tun.Group,                config_parse_string,                0,                             offsetof(TunTap, group_name)
+Tap.OneQueue,             config_parse_bool,                  0,                             offsetof(TunTap, one_queue)
+Tap.MultiQueue,           config_parse_bool,                  0,                             offsetof(TunTap, multi_queue)
+Tap.PacketInfo,           config_parse_bool,                  0,                             offsetof(TunTap, packet_info)
+Tap.User,                 config_parse_string,                0,                             offsetof(TunTap, user_name)
+Tap.Group,                config_parse_string,                0,                             offsetof(TunTap, group_name)
+Bond.Mode,                config_parse_bond_mode,             0,                             offsetof(Bond, mode)
+Bond.TransmitHashPolicy,  config_parse_bond_xmit_hash_policy, 0,                             offsetof(Bond, xmit_hash_policy)
+Bond.LACPTransmitRate,    config_parse_bond_lacp_rate,        0,                             offsetof(Bond, lacp_rate)
+Bond.MIIMonitorSec,       config_parse_sec,                   0,                             offsetof(Bond, miimon)
+Bond.UpDelaySec,          config_parse_sec,                   0,                             offsetof(Bond, updelay)
+Bond.DownDelaySec,        config_parse_sec,                   0,                             offsetof(Bond, downdelay)
diff --git a/src/network/networkd-netdev-vxlan.c b/src/network/networkd-netdev-vxlan.c
index 7dec69d0f6..b19240e311 100644
--- a/src/network/networkd-netdev-vxlan.c
+++ b/src/network/networkd-netdev-vxlan.c
@@ -26,6 +26,7 @@
 #include "sd-rtnl.h"
 #include "networkd-netdev-vxlan.h"
 #include "networkd-link.h"
+#include "conf-parser.h"
 #include "missing.h"
 
 static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
@@ -92,9 +93,89 @@ static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_
                 return r;
         }
 
+        r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_RSC, v->route_short_circuit);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not append IFLA_VXLAN_RSC attribute: %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_PROXY, v->arp_proxy);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not append IFLA_VXLAN_PROXY attribute: %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L2MISS, v->l2miss);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not append IFLA_VXLAN_L2MISS attribute: %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L3MISS, v->l3miss);
+        if (r < 0) {
+                log_error_netdev(netdev,
+                                 "Could not append IFLA_VXLAN_L3MISS attribute: %s",
+                                 strerror(-r));
+                return r;
+        }
+
+        if(v->fdb_ageing) {
+                r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_AGEING, v->fdb_ageing / USEC_PER_SEC);
+                if (r < 0) {
+                        log_error_netdev(netdev,
+                                         "Could not append IFLA_VXLAN_AGEING attribute: %s",
+                                         strerror(-r));
+                        return r;
+                }
+        }
+
         return r;
 }
 
+int config_parse_vxlan_group_address(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) {
+        VxLan *v = userdata;
+        union in_addr_union *addr = data, buffer;
+        int r, f;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        r = in_addr_from_string_auto(rvalue, &f, &buffer);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "vxlan multicast group address is invalid, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        if(v->family != AF_UNSPEC && v->family != f) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "vxlan multicast group incompatible, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        v->family = f;
+        *addr = buffer;
+
+        return 0;
+}
+
 static int netdev_vxlan_verify(NetDev *netdev, const char *filename) {
         VxLan *v = VXLAN(netdev);
 
diff --git a/src/network/networkd-netdev-vxlan.h b/src/network/networkd-netdev-vxlan.h
index 8c906f1075..6339af9add 100644
--- a/src/network/networkd-netdev-vxlan.h
+++ b/src/network/networkd-netdev-vxlan.h
@@ -33,10 +33,20 @@ struct VxLan {
         NetDev meta;
 
         uint64_t id;
+
+        int family;
         union in_addr_union group;
+
         unsigned tos;
         unsigned ttl;
+
+        usec_t fdb_ageing;
+
         bool learning;
+        bool arp_proxy;
+        bool route_short_circuit;
+        bool l2miss;
+        bool l3miss;
 };
 
 extern const NetDevVTable vxlan_vtable;
diff --git a/src/network/networkd.h b/src/network/networkd.h
index 1f31023329..c0d32c4a6b 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -259,6 +259,17 @@ int config_parse_tunnel_address(const char *unit,
                                 void *data,
                                 void *userdata);
 
+int config_parse_vxlan_group_address(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);
+
 /* gperf */
 const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsigned length);