sd-dhcp-client/networkd: add interface MTU support

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

diff --git a/src/network/networkd.h b/src/network/networkd.h
index bb775081c37ae6d5026b0b0667441b99ee98f6a6..5bd7e750ea727994d4ca150e57e35d1b0acdd8af 100644 (file)
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -26,6 +26,7 @@
 
 #include "sd-event.h"
 #include "sd-rtnl.h"
+#include "sd-dhcp-client.h"
 #include "udev.h"
 
 #include "rtnl-util.h"
@@ -51,7 +52,6 @@ struct bridge_join_callback {
 typedef enum BridgeState {
         BRIDGE_STATE_FAILED,
         BRIDGE_STATE_CREATING,
-        BRIDGE_STATE_CREATED,
         BRIDGE_STATE_READY,
         _BRIDGE_STATE_MAX,
         _BRIDGE_STATE_INVALID = -1,
@@ -84,9 +84,13 @@ struct Network {
 
         char *description;
         Bridge *bridge;
+        bool dhcp;
+        bool dhcp_dns;
+        bool dhcp_mtu;
 
-        LIST_HEAD(Address, addresses);
-        LIST_HEAD(Route, routes);
+        LIST_HEAD(Address, static_addresses);
+        LIST_HEAD(Route, static_routes);
+        Address *dns;
 
         Hashmap *addresses_by_section;
         Hashmap *routes_by_section;
@@ -109,7 +113,7 @@ struct Address {
                 struct in6_addr in6;
         } in_addr;
 
-        LIST_FIELDS(Address, addresses);
+        LIST_FIELDS(Address, static_addresses);
 };
 
 struct Route {
@@ -117,6 +121,7 @@ struct Route {
         uint64_t section;
 
         unsigned char family;
+        unsigned char dst_family;
         unsigned char dst_prefixlen;
 
         union {
@@ -129,7 +134,7 @@ struct Route {
                 struct in6_addr in6;
         } dst_addr;
 
-        LIST_FIELDS(Route, routes);
+        LIST_FIELDS(Route, static_routes);
 };
 
 typedef enum LinkState {
@@ -153,9 +158,17 @@ struct Link {
 
         Network *network;
 
+        Route *dhcp_route;
+        Address *dhcp_address;
+        Address *dns;
+        uint16_t original_mtu;
+
         LinkState state;
 
-        unsigned rtnl_messages;
+        unsigned addr_messages;
+        unsigned route_messages;
+
+        sd_dhcp_client *dhcp;
 };
 
 struct Manager {
@@ -169,10 +182,11 @@ struct Manager {
         Hashmap *bridges;
         LIST_HEAD(Network, networks);
 
-        char **network_dirs;
         usec_t network_dirs_ts_usec;
 };
 
+extern const char* const network_dirs[];
+
 /* Manager */
 
 int manager_new(Manager **ret);
@@ -186,6 +200,8 @@ int manager_udev_listen(Manager *m);
 
 int manager_rtnl_listen(Manager *m);
 
+int manager_update_resolv_conf(Manager *m);
+
 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
 #define _cleanup_manager_free_ _cleanup_(manager_freep)
 
@@ -223,7 +239,8 @@ int config_parse_bridge(const char *unit, const char *filename, unsigned line,
 const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
 
 /* Route */
-int route_new(Network *network, unsigned section, Route **ret);
+int route_new_static(Network *network, unsigned section, Route **ret);
+int route_new_dynamic(Route **ret);
 void route_free(Route *route);
 int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback);
 
@@ -239,7 +256,8 @@ int config_parse_destination(const char *unit, const char *filename, unsigned li
                              int ltype, const char *rvalue, void *data, void *userdata);
 
 /* Address */
-int address_new(Network *network, unsigned section, Address **ret);
+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_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
@@ -247,6 +265,10 @@ int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callbac
 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);
@@ -259,10 +281,39 @@ int config_parse_label(const char *unit, const char *filename, unsigned line,
 
 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);
+int link_add(Manager *manager, struct udev_device *device, Link **ret);
 int link_configure(Link *link);
 
 int link_update(Link *link, sd_rtnl_message *message);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
 #define _cleanup_link_free_ _cleanup_(link_freep)
+
+/* 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_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__)
+
+#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,     \
+        ((address).s_addr >> 16) & 0xFF,    \
+        (address).s_addr >> 24