networkd: add address pool support

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

diff --git a/src/network/networkd.h b/src/network/networkd.h
index 102744d4b766bcdb88f2b98682467bc42c3cda96..7069a11d4cdb20fb951f6e06efc62c344e41b014 100644 (file)
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -36,8 +36,10 @@
 #include "list.h"
 #include "set.h"
 #include "condition-util.h"
+#include "socket-util.h"
 
 #define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU
+#define VXLAN_VID_MAX (1u << 24) - 1
 
 typedef struct NetDev NetDev;
 typedef struct Network Network;
@@ -45,6 +47,7 @@ typedef struct Link Link;
 typedef struct Address Address;
 typedef struct Route Route;
 typedef struct Manager Manager;
+typedef struct AddressPool AddressPool;
 
 typedef struct netdev_enslave_callback netdev_enslave_callback;
 
@@ -69,6 +72,7 @@ typedef enum NetDevKind {
         NETDEV_KIND_BOND,
         NETDEV_KIND_VLAN,
         NETDEV_KIND_MACVLAN,
+        NETDEV_KIND_VXLAN,
         NETDEV_KIND_IPIP,
         NETDEV_KIND_GRE,
         NETDEV_KIND_SIT,
@@ -103,19 +107,24 @@ struct NetDev {
         char *ifname;
         char *ifname_peer;
         size_t mtu;
+        struct ether_addr *mac;
+        struct ether_addr *mac_peer;
         NetDevKind kind;
 
         uint64_t vlanid;
+        uint64_t vxlanid;
         int32_t macvlan_mode;
 
         int ifindex;
         NetDevState state;
 
         bool tunnel_pmtudisc;
-        unsigned tunnel_ttl;
-        unsigned tunnel_tos;
-        struct in_addr tunnel_local;
-        struct in_addr tunnel_remote;
+        bool learning;
+        unsigned ttl;
+        unsigned tos;
+        struct in_addr local;
+        struct in_addr remote;
+        struct in_addr group;
 
         LIST_HEAD(netdev_enslave_callback, callbacks);
 };
@@ -141,6 +150,7 @@ struct Network {
         NetDev *tunnel;
         Hashmap *vlans;
         Hashmap *macvlans;
+        Hashmap *vxlans;
         bool dhcp;
         bool dhcp_dns;
         bool dhcp_ntp;
@@ -176,10 +186,7 @@ struct Address {
         struct in_addr broadcast;
         struct ifa_cacheinfo cinfo;
 
-        union {
-                struct in_addr in;
-                struct in6_addr in6;
-        } in_addr;
+        union in_addr_union in_addr;
 
         LIST_FIELDS(Address, addresses);
 };
@@ -193,15 +200,8 @@ struct Route {
         unsigned char scope;
         uint32_t metrics;
 
-        union {
-                struct in_addr in;
-                struct in6_addr in6;
-        } in_addr;
-
-        union {
-                struct in_addr in;
-                struct in6_addr in6;
-        } dst_addr;
+        union in_addr_union in_addr;
+        union in_addr_union dst_addr;
 
         LIST_FIELDS(Route, routes);
 };
@@ -260,9 +260,22 @@ struct Link {
         uint16_t original_mtu;
         sd_ipv4ll *ipv4ll;
 
+        LIST_HEAD(Address, pool_addresses);
+
         sd_dhcp_server *dhcp_server;
 };
 
+struct AddressPool {
+        Manager *manager;
+
+        unsigned family;
+        unsigned prefixlen;
+
+        union in_addr_union in_addr;
+
+        LIST_FIELDS(AddressPool, address_pools);
+};
+
 struct Manager {
         sd_rtnl *rtnl;
         sd_event *event;
@@ -278,6 +291,7 @@ struct Manager {
         Hashmap *links;
         Hashmap *netdevs;
         LIST_HEAD(Network, networks);
+        LIST_HEAD(AddressPool, address_pools);
 
         usec_t network_dirs_ts_usec;
 };
@@ -300,6 +314,8 @@ int manager_bus_listen(Manager *m);
 
 int manager_save(Manager *m);
 
+int manager_address_pool_acquire(Manager *m, unsigned family, unsigned prefixlen, union in_addr_union *found);
+
 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
 #define _cleanup_manager_free_ _cleanup_(manager_freep)
 
@@ -319,6 +335,7 @@ 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_veth(NetDev *netdev, sd_rtnl_message_handler_t callback);
+int netdev_create_vxlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback);
 
 const char *netdev_kind_to_string(NetDevKind d) _const_;
 NetDevKind netdev_kind_from_string(const char *d) _pure_;
@@ -449,6 +466,14 @@ LinkOperationalState link_operstate_from_string(const char *s) _pure_;
 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
 #define _cleanup_link_unref_ _cleanup_(link_unrefp)
 
+/* Address Pool */
+
+int address_pool_new(Manager *m, AddressPool **ret, unsigned family, const union in_addr_union *u, unsigned prefixlen);
+int address_pool_new_from_string(Manager *m, AddressPool **ret, unsigned family, const char *p, unsigned prefixlen);
+void address_pool_free(AddressPool *p);
+
+int address_pool_acquire(AddressPool *p, unsigned prefixlen, union in_addr_union *found);
+
 /* Macros which append INTERFACE= to the message */
 
 #define log_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%-*s: " fmt, IFNAMSIZ, link->ifname, ##__VA_ARGS__)