X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd.h;h=fe63cfbd4ea880c13f8ed0dc8c654eefd2b1cde6;hp=89f4cf24e796f7ec86361a993a43d13d419b1436;hb=ae06ab1014641feb83ffd0d08f0957e69bbbae08;hpb=1346b1f0388f4100bb3c2a2bb23bc881769c020c

diff --git a/src/network/networkd.h b/src/network/networkd.h
index 89f4cf24e..fe63cfbd4 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -22,55 +22,44 @@
 #pragma once
 
 #include <arpa/inet.h>
-#include <linux/rtnetlink.h>
 
 #include "sd-event.h"
 #include "sd-rtnl.h"
 #include "sd-bus.h"
 #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"
 #include "hashmap.h"
 #include "list.h"
+#include "set.h"
+#include "condition-util.h"
+#include "in-addr-util.h"
 
-typedef struct Bridge Bridge;
+#define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU
+#define DHCP_ROUTE_METRIC 1024
+#define IPV4LL_ROUTE_METRIC 2048
+
+typedef struct NetDev NetDev;
 typedef struct Network Network;
 typedef struct Link Link;
 typedef struct Address Address;
 typedef struct Route Route;
 typedef struct Manager Manager;
+typedef struct AddressPool AddressPool;
 
-typedef struct bridge_join_callback bridge_join_callback;
-
-struct bridge_join_callback {
-        sd_rtnl_message_handler_t callback;
-        Link *link;
-
-        LIST_FIELDS(bridge_join_callback, callbacks);
-};
-
-typedef enum BridgeState {
-        BRIDGE_STATE_FAILED,
-        BRIDGE_STATE_CREATING,
-        BRIDGE_STATE_READY,
-        _BRIDGE_STATE_MAX,
-        _BRIDGE_STATE_INVALID = -1,
-} BridgeState;
-
-struct Bridge {
-        Manager *manager;
-
-        char *filename;
-
-        char *description;
-        char *name;
-
-        Link *link;
-        BridgeState state;
-
-        LIST_HEAD(bridge_join_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;
@@ -82,21 +71,43 @@ struct Network {
         char *match_driver;
         char *match_type;
         char *match_name;
+        char *dhcp_vendor_class_identifier;
+
+        Condition *match_host;
+        Condition *match_virt;
+        Condition *match_kernel;
+        Condition *match_arch;
 
         char *description;
-        Bridge *bridge;
-        bool dhcp;
+        NetDev *bridge;
+        NetDev *bond;
+        NetDev *tunnel;
+        Hashmap *vlans;
+        Hashmap *macvlans;
+        Hashmap *vxlans;
+        DHCPSupport dhcp;
         bool dhcp_dns;
+        bool dhcp_ntp;
         bool dhcp_mtu;
         bool dhcp_hostname;
+        bool dhcp_domainname;
+        bool dhcp_sendhost;
+        bool dhcp_broadcast;
+        bool dhcp_critical;
+        bool dhcp_routes;
+        bool ipv4ll;
+        bool ipv4ll_route;
+
+        bool dhcp_server;
 
         LIST_HEAD(Address, static_addresses);
         LIST_HEAD(Route, static_routes);
-        Address *dns;
 
         Hashmap *addresses_by_section;
         Hashmap *routes_by_section;
 
+        char **dns, **ntp;
+
         LIST_FIELDS(Network, networks);
 };
 
@@ -104,73 +115,107 @@ struct Address {
         Network *network;
         uint64_t section;
 
-        unsigned char family;
+        int family;
         unsigned char prefixlen;
+        unsigned char scope;
         char *label;
 
-        struct in_addr netmask;
+        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;
+        union in_addr_union in_addr_peer;
 
-        LIST_FIELDS(Address, static_addresses);
+        LIST_FIELDS(Address, addresses);
 };
 
 struct Route {
         Network *network;
         uint64_t section;
 
-        unsigned char family;
-        unsigned char dst_family;
+        int family;
         unsigned char dst_prefixlen;
+        unsigned char scope;
+        uint32_t metrics;
+        unsigned char protocol;  /* RTPROT_* */
 
-        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, static_routes);
+        LIST_FIELDS(Route, routes);
 };
 
 typedef enum LinkState {
-        LINK_STATE_JOINING_BRIDGE,
+        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;
 
-        uint64_t ifindex;
+        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;
 
-        Route *dhcp_route;
-        Address *dhcp_address;
-        Address *dns;
-        uint16_t original_mtu;
-
         LinkState state;
+        LinkOperationalState operstate;
 
         unsigned addr_messages;
         unsigned route_messages;
+        unsigned enslaving;
 
-        sd_dhcp_client *dhcp;
+        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;
+
+        int family;
+        unsigned prefixlen;
+
+        union in_addr_union in_addr;
+
+        LIST_FIELDS(AddressPool, address_pools);
 };
 
 struct Manager {
@@ -180,10 +225,15 @@ struct Manager {
         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;
+
+        char *state_file;
 
         Hashmap *links;
-        Hashmap *bridges;
+        Hashmap *netdevs;
         LIST_HEAD(Network, networks);
+        LIST_HEAD(AddressPool, address_pools);
 
         usec_t network_dirs_ts_usec;
 };
@@ -198,30 +248,19 @@ void manager_free(Manager *m);
 int manager_load_config(Manager *m);
 bool manager_should_reload(Manager *m);
 
-int manager_udev_enumerate_links(Manager *m);
-int manager_udev_listen(Manager *m);
+int manager_rtnl_enumerate_links(Manager *m);
 
 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);
+
+int manager_address_pool_acquire(Manager *m, int family, unsigned prefixlen, union in_addr_union *found);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
 #define _cleanup_manager_free_ _cleanup_(manager_freep)
 
-/* Bridge */
-
-int bridge_load(Manager *manager);
-
-void bridge_free(Bridge *bridge);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Bridge*, bridge_free);
-#define _cleanup_bridge_free_ _cleanup_(bridge_freep)
-
-int bridge_get(Manager *manager, const char *name, Bridge **ret);
-int bridge_set_link(Manager *m, Link *link);
-int bridge_join(Bridge *bridge, Link *link, sd_rtnl_message_handler_t cb);
-
 /* Network */
 
 int network_load(Manager *manager);
@@ -231,22 +270,47 @@ void network_free(Network *network);
 DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);
 #define _cleanup_network_free_ _cleanup_(network_freep)
 
-int network_get(Manager *manager, struct udev_device *device, Network **ret);
+int network_get(Manager *manager, struct udev_device *device,
+                const char *ifname, const struct ether_addr *mac,
+                Network **ret);
 int network_apply(Manager *manager, Network *network, Link *link);
 
-int config_parse_bridge(const char *unit, const char *filename, unsigned line,
+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);
 
-/* gperf */
+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);
 
-const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
+/* gperf */
+const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsigned length);
 
 /* Route */
 int route_new_static(Network *network, unsigned section, Route **ret);
-int route_new_dynamic(Route **ret);
+int route_new_dynamic(Route **ret, unsigned char rtm_protocol);
 void route_free(Route *route);
 int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback);
+int route_drop(Route *route, Link *link, sd_rtnl_message_handler_t callback);
+
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
 #define _cleanup_route_free_ _cleanup_(route_freep)
@@ -259,43 +323,79 @@ int config_parse_destination(const char *unit, const char *filename, unsigned li
                              const char *section, unsigned section_line, const char *lvalue,
                              int ltype, const char *rvalue, void *data, void *userdata);
 
+int config_parse_route_priority(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 */
 int address_new_static(Network *network, unsigned section, Address **ret);
 int address_new_dynamic(Address **ret);
 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)
 
-int config_parse_dns(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_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);
 
+int config_parse_broadcast(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_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 */
 
-int link_new(Manager *manager, struct udev_device *device, Link **ret);
-void link_free(Link *link);
-int link_add(Manager *manager, struct udev_device *device, Link **ret);
-int link_configure(Link *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);
+
+int link_save(Link *link);
+
+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)
+
+/* DHCP support */
 
-DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
-#define _cleanup_link_free_ _cleanup_(link_freep)
+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, int family, const union in_addr_union *u, unsigned prefixlen);
+int address_pool_new_from_string(Manager *m, AddressPool **ret, int 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, 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__)
@@ -304,18 +404,6 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
 
 #define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)
 
-/* More macros which append INTERFACE= to the message */
-
-#define log_full_bridge(level, bridge, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", bridge->name, "%s: " fmt, bridge->name, ##__VA_ARGS__)
-#define log_debug_bridge(bridge, ...)       log_full_bridge(LOG_DEBUG, bridge, ##__VA_ARGS__)
-#define log_info_bridge(bridge, ...)        log_full_bridge(LOG_INFO, bridge, ##__VA_ARGS__)
-#define log_notice_bridge(bridge, ...)      log_full_bridge(LOG_NOTICE, bridge, ##__VA_ARGS__)
-#define log_warning_bridge(bridge, ...)     log_full_bridge(LOG_WARNING, bridge,## __VA_ARGS__)
-#define log_error_bridge(bridge, ...)       log_full_bridge(LOG_ERR, bridge, ##__VA_ARGS__)
-
-#define log_struct_bridge(level, bridge, ...) log_struct(level, "INTERFACE=%s", bridge->name, __VA_ARGS__)
-
-#define BRIDGE(bridge) "INTERFACE=%s", bridge->name
 #define ADDRESS_FMT_VAL(address)            \
         (address).s_addr & 0xFF,            \
         ((address).s_addr >> 8) & 0xFF,     \