networkd: Introduce tun/tap device

[elogind.git] / src / network / networkd.h

diff --git a/src/network/networkd.h b/src/network/networkd.h
index 7069a11d4cdb20fb951f6e06efc62c344e41b014..67ca41b8a4059cee0a237915cde5a889665458f4 100644 (file)
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -29,6 +29,8 @@
 #include "sd-dhcp-client.h"
 #include "sd-dhcp-server.h"
 #include "sd-ipv4ll.h"
+#include "sd-icmp6-nd.h"
+#include "sd-dhcp6-client.h"
 #include "udev.h"
 
 #include "rtnl-util.h"
@@ -40,6 +42,7 @@
 
 #define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU
 #define VXLAN_VID_MAX (1u << 24) - 1
+#define DHCP_STATIC_ROUTE_METRIC 1024
 
 typedef struct NetDev NetDev;
 typedef struct Network Network;
@@ -78,6 +81,9 @@ typedef enum NetDevKind {
         NETDEV_KIND_SIT,
         NETDEV_KIND_VETH,
         NETDEV_KIND_VTI,
+        NETDEV_KIND_DUMMY,
+        NETDEV_KIND_TUN,
+        NETDEV_KIND_TAP,
         _NETDEV_KIND_MAX,
         _NETDEV_KIND_INVALID = -1
 } NetDevKind;
@@ -106,6 +112,8 @@ struct NetDev {
         char *description;
         char *ifname;
         char *ifname_peer;
+        char *user_name;
+        char *group_name;
         size_t mtu;
         struct ether_addr *mac;
         struct ether_addr *mac_peer;
@@ -120,6 +128,10 @@ struct NetDev {
 
         bool tunnel_pmtudisc;
         bool learning;
+        bool one_queue;
+        bool multi_queue;
+        bool packet_info;
+
         unsigned ttl;
         unsigned tos;
         struct in_addr local;
@@ -129,6 +141,15 @@ struct NetDev {
         LIST_HEAD(netdev_enslave_callback, callbacks);
 };
 
+typedef enum DHCPSupport {
+        DHCP_SUPPORT_NONE,
+        DHCP_SUPPORT_BOTH,
+        DHCP_SUPPORT_V4,
+        DHCP_SUPPORT_V6,
+        _DHCP_SUPPORT_MAX,
+        _DHCP_SUPPORT_INVALID = -1,
+} DHCPSupport;
+
 struct Network {
         Manager *manager;
 
@@ -151,13 +172,15 @@ struct Network {
         Hashmap *vlans;
         Hashmap *macvlans;
         Hashmap *vxlans;
-        bool dhcp;
+        DHCPSupport dhcp;
         bool dhcp_dns;
         bool dhcp_ntp;
         bool dhcp_mtu;
         bool dhcp_hostname;
         bool dhcp_domainname;
+        bool dhcp_sendhost;
         bool dhcp_critical;
+        bool dhcp_routes;
         bool ipv4ll;
 
         bool dhcp_server;
@@ -263,6 +286,9 @@ struct Link {
         LIST_HEAD(Address, pool_addresses);
 
         sd_dhcp_server *dhcp_server;
+
+        sd_icmp6_nd *icmp6_router_discovery;
+        sd_dhcp6_client *dhcp6_client;
 };
 
 struct AddressPool {
@@ -321,6 +347,8 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
 
 /* NetDev */
 
+#define VLANID_MAX 4094
+
 int netdev_load(Manager *manager);
 void netdev_drop(NetDev *netdev);
 
@@ -333,9 +361,13 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(NetDev*, netdev_unref);
 int netdev_get(Manager *manager, const char *name, NetDev **ret);
 int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *newlink);
 int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t cb);
-int netdev_create_tunnel(Link *link, sd_rtnl_message_handler_t callback);
+int netdev_create_tunnel(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback);
 int netdev_create_veth(NetDev *netdev, sd_rtnl_message_handler_t callback);
 int netdev_create_vxlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback);
+int netdev_create_vlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback);
+int netdev_create_macvlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback);
+int netdev_create_dummy(NetDev *netdev, sd_rtnl_message_handler_t callback);
+int netdev_create_tuntap(NetDev *netdev);
 
 const char *netdev_kind_to_string(NetDevKind d) _const_;
 NetDevKind netdev_kind_from_string(const char *d) _pure_;
@@ -466,6 +498,15 @@ LinkOperationalState link_operstate_from_string(const char *s) _pure_;
 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
 #define _cleanup_link_unref_ _cleanup_(link_unrefp)
 
+/* DHCP support */
+
+const char* dhcp_support_to_string(DHCPSupport i) _const_;
+DHCPSupport dhcp_support_from_string(const char *s) _pure_;
+
+int config_parse_dhcp(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);
+
 /* Address Pool */
 
 int address_pool_new(Manager *m, AddressPool **ret, unsigned family, const union in_addr_union *u, unsigned prefixlen);