networkd: sit-tunnel add support for pmtudisc

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

diff --git a/src/network/networkd.h b/src/network/networkd.h
index cff0136bcce176ccddfc464d3506494d7b3cb682..6f69c9a487bf3f413e2faa5bb145a86a373d0bb2 100644 (file)
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -68,6 +68,10 @@ typedef enum NetDevKind {
         NETDEV_KIND_BOND,
         NETDEV_KIND_VLAN,
         NETDEV_KIND_MACVLAN,
+        NETDEV_KIND_IPIP,
+        NETDEV_KIND_GRE,
+        NETDEV_KIND_SIT,
+        NETDEV_KIND_VETH,
         _NETDEV_KIND_MAX,
         _NETDEV_KIND_INVALID = -1
 } NetDevKind;
@@ -76,6 +80,7 @@ typedef enum NetDevState {
         NETDEV_STATE_FAILED,
         NETDEV_STATE_CREATING,
         NETDEV_STATE_READY,
+        NETDEV_STATE_LINGER,
         _NETDEV_STATE_MAX,
         _NETDEV_STATE_INVALID = -1,
 } NetDevState;
@@ -93,7 +98,9 @@ struct NetDev {
         Condition *match_arch;
 
         char *description;
-        char *name;
+        char *ifname;
+        char *ifname_peer;
+        size_t mtu;
         NetDevKind kind;
 
         uint64_t vlanid;
@@ -102,6 +109,12 @@ struct NetDev {
         int ifindex;
         NetDevState state;
 
+        bool tunnel_pmtudisc;
+        unsigned tunnel_ttl;
+        unsigned tunnel_tos;
+        struct in_addr tunnel_local;
+        struct in_addr tunnel_remote;
+
         LIST_HEAD(netdev_enslave_callback, callbacks);
 };
 
@@ -123,10 +136,12 @@ struct Network {
         char *description;
         NetDev *bridge;
         NetDev *bond;
+        NetDev *tunnel;
         Hashmap *vlans;
         Hashmap *macvlans;
         bool dhcp;
         bool dhcp_dns;
+        bool dhcp_ntp;
         bool dhcp_mtu;
         bool dhcp_hostname;
         bool dhcp_domainname;
@@ -139,7 +154,8 @@ struct Network {
         Hashmap *addresses_by_section;
         Hashmap *routes_by_section;
 
-        Set *dns;
+        LIST_HEAD(Address, dns);
+        LIST_HEAD(Address, ntp);
 
         LIST_FIELDS(Network, networks);
 };
@@ -161,7 +177,7 @@ struct Address {
                 struct in6_addr in6;
         } in_addr;
 
-        LIST_FIELDS(Address, static_addresses);
+        LIST_FIELDS(Address, addresses);
 };
 
 struct Route {
@@ -183,7 +199,7 @@ struct Route {
                 struct in6_addr in6;
         } dst_addr;
 
-        LIST_FIELDS(Route, static_routes);
+        LIST_FIELDS(Route, routes);
 };
 
 typedef enum LinkState {
@@ -194,10 +210,21 @@ typedef enum LinkState {
         LINK_STATE_CONFIGURED,
         LINK_STATE_UNMANAGED,
         LINK_STATE_FAILED,
+        LINK_STATE_LINGER,
         _LINK_STATE_MAX,
         _LINK_STATE_INVALID = -1
 } LinkState;
 
+typedef enum LinkOperationalState {
+        LINK_OPERSTATE_UNKNOWN,
+        LINK_OPERSTATE_DORMANT,
+        LINK_OPERSTATE_CARRIER,
+        LINK_OPERSTATE_DEGRADED,
+        LINK_OPERSTATE_ROUTABLE,
+        _LINK_OPERSTATE_MAX,
+        _LINK_OPERSTATE_INVALID = -1
+} LinkOperationalState;
+
 struct Link {
         Manager *manager;
 
@@ -210,16 +237,19 @@ struct Link {
         struct udev_device *udev_device;
 
         unsigned flags;
-        uint8_t operstate;
+        uint8_t kernel_operstate;
 
         Network *network;
 
         LinkState state;
+        LinkOperationalState operstate;
 
         unsigned addr_messages;
         unsigned route_messages;
         unsigned enslaving;
 
+        LIST_HEAD(Address, addresses);
+
         sd_dhcp_client *dhcp_client;
         sd_dhcp_lease *dhcp_lease;
         char *lease_file;
@@ -244,6 +274,7 @@ struct Manager {
         LIST_HEAD(Network, networks);
 
         usec_t network_dirs_ts_usec;
+        struct kmod_ctx *kmod_ctx;
 };
 
 extern const char* const network_dirs[];
@@ -262,7 +293,6 @@ int manager_rtnl_listen(Manager *m);
 int manager_udev_listen(Manager *m);
 int manager_bus_listen(Manager *m);
 
-int manager_update_resolv_conf(Manager *m);
 int manager_save(Manager *m);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
@@ -271,6 +301,7 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
 /* NetDev */
 
 int netdev_load(Manager *manager);
+void netdev_drop(NetDev *netdev);
 
 NetDev *netdev_unref(NetDev *netdev);
 NetDev *netdev_ref(NetDev *netdev);
@@ -281,6 +312,8 @@ 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_veth(NetDev *netdev, sd_rtnl_message_handler_t callback);
 
 const char *netdev_kind_to_string(NetDevKind d) _const_;
 NetDevKind netdev_kind_from_string(const char *d) _pure_;
@@ -313,6 +346,28 @@ int config_parse_netdev(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);
 
+int config_parse_tunnel(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);
+
+int config_parse_tunnel_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);
 
@@ -342,6 +397,7 @@ void address_free(Address *address);
 int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
 int address_update(Address *address, Link *link, sd_rtnl_message_handler_t callback);
 int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
+bool address_equal(Address *a1, Address *a2);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
 #define _cleanup_address_free_ _cleanup_(address_freep)
@@ -368,8 +424,10 @@ Link *link_unref(Link *link);
 Link *link_ref(Link *link);
 int link_get(Manager *m, int ifindex, Link **ret);
 int link_add(Manager *manager, sd_rtnl_message *message, Link **ret);
+void link_drop(Link *link);
 
 int link_update(Link *link, sd_rtnl_message *message);
+int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata);
 
 int link_initialized(Link *link, struct udev_device *device);
 
@@ -380,12 +438,15 @@ bool link_has_carrier(unsigned flags, uint8_t operstate);
 const char* link_state_to_string(LinkState s) _const_;
 LinkState link_state_from_string(const char *s) _pure_;
 
+const char* link_operstate_to_string(LinkOperationalState s) _const_;
+LinkOperationalState link_operstate_from_string(const char *s) _pure_;
+
 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
 #define _cleanup_link_unref_ _cleanup_(link_unrefp)
 
 /* 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, link->ifname, ##__VA_ARGS__)
+#define log_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%*s: " fmt, IFNAMSIZ, link->ifname, ##__VA_ARGS__)
 #define log_debug_link(link, ...)       log_full_link(LOG_DEBUG, link, ##__VA_ARGS__)
 #define log_info_link(link, ...)        log_full_link(LOG_INFO, link, ##__VA_ARGS__)
 #define log_notice_link(link, ...)      log_full_link(LOG_NOTICE, link, ##__VA_ARGS__)
@@ -396,16 +457,16 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
 
 /* More macros which append INTERFACE= to the message */
 
-#define log_full_netdev(level, netdev, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", netdev->name, "%s: " fmt, netdev->name, ##__VA_ARGS__)
+#define log_full_netdev(level, netdev, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", netdev->ifname, "%*s: " fmt, IFNAMSIZ, netdev->ifname, ##__VA_ARGS__)
 #define log_debug_netdev(netdev, ...)       log_full_netdev(LOG_DEBUG, netdev, ##__VA_ARGS__)
 #define log_info_netdev(netdev, ...)        log_full_netdev(LOG_INFO, netdev, ##__VA_ARGS__)
 #define log_notice_netdev(netdev, ...)      log_full_netdev(LOG_NOTICE, netdev, ##__VA_ARGS__)
 #define log_warning_netdev(netdev, ...)     log_full_netdev(LOG_WARNING, netdev,## __VA_ARGS__)
 #define log_error_netdev(netdev, ...)       log_full_netdev(LOG_ERR, netdev, ##__VA_ARGS__)
 
-#define log_struct_netdev(level, netdev, ...) log_struct(level, "INTERFACE=%s", netdev->name, __VA_ARGS__)
+#define log_struct_netdev(level, netdev, ...) log_struct(level, "INTERFACE=%s", netdev->ifname, __VA_ARGS__)
 
-#define NETDEV(netdev) "INTERFACE=%s", netdev->name
+#define NETDEV(netdev) "INTERFACE=%s", netdev->ifname
 #define ADDRESS_FMT_VAL(address)            \
         (address).s_addr & 0xFF,            \
         ((address).s_addr >> 8) & 0xFF,     \