chiark / gitweb /
networkd: exit on idle
[elogind.git] / src / network / networkd.h
index bf73fe2bd5b738890f75dd574fcc5e3d2cfc037b..e6d84f105b81257692493a32a2f03474249c2c0e 100644 (file)
 #include "sd-icmp6-nd.h"
 #include "sd-dhcp6-client.h"
 #include "udev.h"
+#include "sd-lldp.h"
 
 #include "rtnl-util.h"
 #include "hashmap.h"
 #include "list.h"
 #include "set.h"
-#include "condition-util.h"
+#include "condition.h"
 #include "in-addr-util.h"
 
 #define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU
@@ -51,15 +52,46 @@ typedef struct Address Address;
 typedef struct Route Route;
 typedef struct Manager Manager;
 typedef struct AddressPool AddressPool;
+typedef struct FdbEntry FdbEntry;
+
+typedef enum AddressFamilyBoolean {
+        /* This is a bitmask, though it usually doesn't feel that way! */
+        ADDRESS_FAMILY_NO = 0,
+        ADDRESS_FAMILY_IPV4 = 1,
+        ADDRESS_FAMILY_IPV6 = 2,
+        ADDRESS_FAMILY_YES = 3,
+        _ADDRESS_FAMILY_BOOLEAN_MAX,
+        _ADDRESS_FAMILY_BOOLEAN_INVALID = -1,
+} AddressFamilyBoolean;
+
+typedef enum LLMNRSupport {
+        LLMNR_SUPPORT_NO,
+        LLMNR_SUPPORT_YES,
+        LLMNR_SUPPORT_RESOLVE,
+        _LLMNR_SUPPORT_MAX,
+        _LLMNR_SUPPORT_INVALID = -1,
+} LLMNRSupport;
 
-typedef enum DHCPSupport {
-        DHCP_SUPPORT_NONE,
-        DHCP_SUPPORT_BOTH,
-        DHCP_SUPPORT_V4,
-        DHCP_SUPPORT_V6,
-        _DHCP_SUPPORT_MAX,
-        _DHCP_SUPPORT_INVALID = -1,
-} DHCPSupport;
+typedef enum LinkOperationalState {
+        LINK_OPERSTATE_OFF,
+        LINK_OPERSTATE_NO_CARRIER,
+        LINK_OPERSTATE_DORMANT,
+        LINK_OPERSTATE_CARRIER,
+        LINK_OPERSTATE_DEGRADED,
+        LINK_OPERSTATE_ROUTABLE,
+        _LINK_OPERSTATE_MAX,
+        _LINK_OPERSTATE_INVALID = -1
+} LinkOperationalState;
+
+struct FdbEntry {
+        Network *network;
+        unsigned section;
+
+        struct ether_addr *mac_addr;
+        uint16_t vlan_id;
+
+        LIST_FIELDS(FdbEntry, static_fdb_entries);
+};
 
 struct Network {
         Manager *manager;
@@ -82,39 +114,56 @@ struct Network {
         NetDev *bridge;
         NetDev *bond;
         Hashmap *stacked_netdevs;
-        DHCPSupport dhcp;
+        AddressFamilyBoolean dhcp;
         bool dhcp_dns;
         bool dhcp_ntp;
         bool dhcp_mtu;
         bool dhcp_hostname;
-        bool dhcp_domainname;
+        bool dhcp_domains;
         bool dhcp_sendhost;
         bool dhcp_broadcast;
         bool dhcp_critical;
         bool dhcp_routes;
+        unsigned dhcp_route_metric;
         bool ipv4ll;
         bool ipv4ll_route;
 
         bool dhcp_server;
 
+        unsigned cost;
+
+        AddressFamilyBoolean ip_forward;
+        bool ip_masquerade;
+
+        struct ether_addr *mac;
+        unsigned mtu;
+
+        bool lldp;
+
         LIST_HEAD(Address, static_addresses);
         LIST_HEAD(Route, static_routes);
+        LIST_HEAD(FdbEntry, static_fdb_entries);
 
         Hashmap *addresses_by_section;
         Hashmap *routes_by_section;
+        Hashmap *fdb_entries_by_section;
 
-        char **dns, **ntp;
+        bool wildcard_domain;
+        char **domains, **dns, **ntp;
+
+        LLMNRSupport llmnr;
 
         LIST_FIELDS(Network, networks);
 };
 
 struct Address {
         Network *network;
-        uint64_t section;
+        unsigned section;
 
         int family;
         unsigned char prefixlen;
         unsigned char scope;
+        unsigned char flags;
         char *label;
 
         struct in_addr broadcast;
@@ -123,87 +172,30 @@ struct Address {
         union in_addr_union in_addr;
         union in_addr_union in_addr_peer;
 
+        bool ip_masquerade_done;
+
         LIST_FIELDS(Address, addresses);
 };
 
 struct Route {
         Network *network;
-        uint64_t section;
+        unsigned section;
 
         int family;
         unsigned char dst_prefixlen;
+        unsigned char src_prefixlen;
         unsigned char scope;
         uint32_t metrics;
         unsigned char protocol;  /* RTPROT_* */
 
         union in_addr_union in_addr;
         union in_addr_union dst_addr;
+        union in_addr_union src_addr;
+        union in_addr_union prefsrc_addr;
 
         LIST_FIELDS(Route, routes);
 };
 
-typedef enum LinkState {
-        LINK_STATE_INITIALIZING,
-        LINK_STATE_ENSLAVING,
-        LINK_STATE_SETTING_ADDRESSES,
-        LINK_STATE_SETTING_ROUTES,
-        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;
-
-        int n_ref;
-
-        int ifindex;
-        char *ifname;
-        char *state_file;
-        struct ether_addr mac;
-        struct udev_device *udev_device;
-
-        unsigned flags;
-        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;
-        uint16_t original_mtu;
-        sd_ipv4ll *ipv4ll;
-
-        LIST_HEAD(Address, pool_addresses);
-
-        sd_dhcp_server *dhcp_server;
-
-        sd_icmp6_nd *icmp6_router_discovery;
-        sd_dhcp6_client *dhcp6_client;
-};
-
 struct AddressPool {
         Manager *manager;
 
@@ -218,14 +210,17 @@ struct AddressPool {
 struct Manager {
         sd_rtnl *rtnl;
         sd_event *event;
+        sd_event_source *bus_retry_event_source;
         sd_bus *bus;
+        sd_bus_slot *prepare_for_sleep_slot;
         struct udev *udev;
         struct udev_monitor *udev_monitor;
         sd_event_source *udev_event_source;
-        sd_event_source *sigterm_event_source;
-        sd_event_source *sigint_event_source;
+
+        bool enumerating;
 
         char *state_file;
+        LinkOperationalState operational_state;
 
         Hashmap *links;
         Hashmap *netdevs;
@@ -239,18 +234,20 @@ extern const char* const network_dirs[];
 
 /* Manager */
 
+extern const sd_bus_vtable manager_vtable[];
+
 int manager_new(Manager **ret);
 void manager_free(Manager *m);
 
+int manager_run(Manager *m);
+
 int manager_load_config(Manager *m);
 bool manager_should_reload(Manager *m);
 
 int manager_rtnl_enumerate_links(Manager *m);
+int manager_rtnl_enumerate_addresses(Manager *m);
 
-int manager_rtnl_listen(Manager *m);
-int manager_udev_listen(Manager *m);
-int manager_bus_listen(Manager *m);
-
+int manager_send_changed(Manager *m, const char *property, ...) _sentinel_;
 int manager_save(Manager *m);
 
 int manager_address_pool_acquire(Manager *m, int family, unsigned prefixlen, union in_addr_union *found);
@@ -276,6 +273,17 @@ 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_domains(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,
@@ -298,6 +306,17 @@ 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);
 
@@ -330,6 +349,8 @@ 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);
+int address_establish(Address *address, Link *link);
+int address_release(Address *address, Link *link);
 bool address_equal(Address *a1, Address *a2);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
@@ -347,38 +368,34 @@ int config_parse_label(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);
 
-/* Link */
-
-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);
+/* Forwarding database table. */
+int fdb_entry_configure(sd_rtnl *const rtnl, FdbEntry *const fdb_entry, const int ifindex);
+void fdb_entry_free(FdbEntry *fdb_entry);
+int fdb_entry_new_static(Network *const network, const unsigned section, FdbEntry **ret);
 
-int link_save(Link *link);
+DEFINE_TRIVIAL_CLEANUP_FUNC(FdbEntry*, fdb_entry_free);
+#define _cleanup_fdbentry_free_ _cleanup_(fdb_entry_freep)
 
-bool link_has_carrier(unsigned flags, uint8_t operstate);
+int config_parse_fdb_hwaddr(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);
 
-const char* link_state_to_string(LinkState s) _const_;
-LinkState link_state_from_string(const char *s) _pure_;
+int config_parse_fdb_vlan_id(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);
 
-const char* link_operstate_to_string(LinkOperationalState s) _const_;
-LinkOperationalState link_operstate_from_string(const char *s) _pure_;
+/* DHCP support */
 
-DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
-#define _cleanup_link_unref_ _cleanup_(link_unrefp)
+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);
 
-/* DHCP support */
+/* LLMNR support */
 
-const char* dhcp_support_to_string(DHCPSupport i) _const_;
-DHCPSupport dhcp_support_from_string(const char *s) _pure_;
+const char* llmnr_support_to_string(LLMNRSupport i) _const_;
+LLMNRSupport llmnr_support_from_string(const char *s) _pure_;
 
-int config_parse_dhcp(const char *unit, const char *filename, unsigned line,
+int config_parse_llmnr(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);
 
@@ -390,19 +407,12 @@ 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 */
+const char *address_family_boolean_to_string(AddressFamilyBoolean b) _const_;
+AddressFamilyBoolean address_family_boolean_from_string(const char *s) _const_;
 
-#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__)
-#define log_warning_link(link, ...)     log_full_link(LOG_WARNING, link, ##__VA_ARGS__)
-#define log_error_link(link, ...)       log_full_link(LOG_ERR, link, ##__VA_ARGS__)
+int config_parse_address_family_boolean(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);
 
-#define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)
+/* Opeartional State */
 
-#define ADDRESS_FMT_VAL(address)            \
-        (address).s_addr & 0xFF,            \
-        ((address).s_addr >> 8) & 0xFF,     \
-        ((address).s_addr >> 16) & 0xFF,    \
-        (address).s_addr >> 24
+const char* link_operstate_to_string(LinkOperationalState s) _const_;
+LinkOperationalState link_operstate_from_string(const char *s) _pure_;