X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd.h;h=239ef1cd38b96652bb300bc474897b311d707e95;hp=c019ceca76c115ac80b4d9d4c1dcb46625c1d04d;hb=b5db00e52ee2e20578839e4e4488f7b9af9abc38;hpb=8cd11a0f0f4ca05199e1166f6a07472b296f7455

diff --git a/src/network/networkd.h b/src/network/networkd.h
index c019ceca7..239ef1cd3 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -22,22 +22,85 @@
 #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-ipv4ll.h"
 #include "udev.h"
 
 #include "rtnl-util.h"
 #include "hashmap.h"
 #include "list.h"
+#include "set.h"
+#include "condition-util.h"
 
+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 netdev_enslave_callback netdev_enslave_callback;
+
+struct netdev_enslave_callback {
+        sd_rtnl_message_handler_t callback;
+        Link *link;
+
+        LIST_FIELDS(netdev_enslave_callback, callbacks);
+};
+
+typedef enum MacVlanMode {
+        NETDEV_MACVLAN_MODE_PRIVATE = MACVLAN_MODE_PRIVATE,
+        NETDEV_MACVLAN_MODE_VEPA = MACVLAN_MODE_VEPA,
+        NETDEV_MACVLAN_MODE_BRIDGE = MACVLAN_MODE_BRIDGE,
+        NETDEV_MACVLAN_MODE_PASSTHRU = MACVLAN_MODE_PASSTHRU,
+        _NETDEV_MACVLAN_MODE_MAX,
+        _NETDEV_MACVLAN_MODE_INVALID = -1
+} MacVlanMode;
+
+typedef enum NetDevKind {
+        NETDEV_KIND_BRIDGE,
+        NETDEV_KIND_BOND,
+        NETDEV_KIND_VLAN,
+        NETDEV_KIND_MACVLAN,
+        _NETDEV_KIND_MAX,
+        _NETDEV_KIND_INVALID = -1
+} NetDevKind;
+
+typedef enum NetDevState {
+        NETDEV_STATE_FAILED,
+        NETDEV_STATE_CREATING,
+        NETDEV_STATE_READY,
+        _NETDEV_STATE_MAX,
+        _NETDEV_STATE_INVALID = -1,
+} NetDevState;
+
+struct NetDev {
+        Manager *manager;
+
+        char *filename;
+
+        Condition *match_host;
+        Condition *match_virt;
+        Condition *match_kernel;
+        Condition *match_arch;
+
+        char *description;
+        char *name;
+        NetDevKind kind;
+
+        uint64_t vlanid;
+        int32_t macvlan_mode;
+
+        int ifindex;
+        NetDevState state;
+
+        LIST_HEAD(netdev_enslave_callback, callbacks);
+};
+
 struct Network {
         Manager *manager;
 
@@ -48,85 +111,178 @@ struct Network {
         char *match_driver;
         char *match_type;
         char *match_name;
+        Condition *match_host;
+        Condition *match_virt;
+        Condition *match_kernel;
+        Condition *match_arch;
 
         char *description;
-
-        LIST_HEAD(Address, addresses);
-        LIST_HEAD(Route, routes);
+        NetDev *bridge;
+        NetDev *bond;
+        Hashmap *vlans;
+        Hashmap *macvlans;
+        bool dhcp;
+        bool dhcp_dns;
+        bool dhcp_mtu;
+        bool dhcp_hostname;
+        bool dhcp_domainname;
+        bool dhcp_critical;
+        bool ipv4ll;
+
+        LIST_HEAD(Address, static_addresses);
+        LIST_HEAD(Route, static_routes);
+
+        Hashmap *addresses_by_section;
+        Hashmap *routes_by_section;
+
+        Set *dns;
 
         LIST_FIELDS(Network, networks);
 };
 
 struct Address {
         Network *network;
+        uint64_t section;
 
         unsigned char family;
         unsigned char prefixlen;
+        unsigned char scope;
         char *label;
 
-        struct in_addr netmask;
+        struct in_addr broadcast;
 
         union {
                 struct in_addr in;
                 struct in6_addr in6;
         } in_addr;
 
-        LIST_FIELDS(Address, addresses);
+        LIST_FIELDS(Address, static_addresses);
 };
 
 struct Route {
         Network *network;
+        uint64_t section;
 
         unsigned char family;
+        unsigned char dst_prefixlen;
+        unsigned char scope;
+        uint32_t metrics;
 
         union {
                 struct in_addr in;
                 struct in6_addr in6;
         } in_addr;
 
-        LIST_FIELDS(Route, routes);
+        union {
+                struct in_addr in;
+                struct in6_addr in6;
+        } dst_addr;
+
+        LIST_FIELDS(Route, static_routes);
 };
 
+typedef enum LinkState {
+        LINK_STATE_ENSLAVING,
+        LINK_STATE_SETTING_ADDRESSES,
+        LINK_STATE_SETTING_ROUTES,
+        LINK_STATE_CONFIGURED,
+        LINK_STATE_FAILED,
+        _LINK_STATE_MAX,
+        _LINK_STATE_INVALID = -1
+} LinkState;
+
 struct Link {
         Manager *manager;
 
-        int ifindex;
+        uint64_t ifindex;
+        char *ifname;
+        char *state_file;
         struct ether_addr mac;
+        struct udev_device *udev_device;
 
         unsigned flags;
 
         Network *network;
+
+        LinkState state;
+
+        unsigned addr_messages;
+        unsigned route_messages;
+        unsigned enslaving;
+
+        sd_dhcp_client *dhcp_client;
+        sd_dhcp_lease *dhcp_lease;
+        uint16_t original_mtu;
+        sd_ipv4ll *ipv4ll;
 };
 
 struct Manager {
         sd_rtnl *rtnl;
         sd_event *event;
+        sd_bus *bus;
         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;
 
         Hashmap *links;
+        Hashmap *netdevs;
         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);
 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_listen(Manager *m);
+int manager_bus_listen(Manager *m);
+
+int manager_update_resolv_conf(Manager *m);
+
 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
 #define _cleanup_manager_free_ _cleanup_(manager_freep)
 
+/* NetDev */
+
+int netdev_load(Manager *manager);
+
+void netdev_free(NetDev *netdev);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(NetDev*, netdev_free);
+#define _cleanup_netdev_free_ _cleanup_(netdev_freep)
+
+int netdev_get(Manager *manager, const char *name, NetDev **ret);
+int netdev_set_ifindex(NetDev *netdev, int ifindex);
+int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t cb);
+
+const char *netdev_kind_to_string(NetDevKind d) _const_;
+NetDevKind netdev_kind_from_string(const char *d) _pure_;
+
+const char *macvlan_mode_to_string(MacVlanMode d) _const_;
+MacVlanMode macvlan_mode_from_string(const char *d) _pure_;
+
+int config_parse_netdev_kind(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_macvlan_mode(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_netdev_gperf_lookup(const char *key, unsigned length);
+
 /* Network */
 
 int network_load(Manager *manager);
-bool network_should_reload(Manager *manager);
 
 void network_free(Network *network);
 
@@ -136,38 +292,112 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);
 int network_get(Manager *manager, struct udev_device *device, Network **ret);
 int network_apply(Manager *manager, Network *network, Link *link);
 
-const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
+int config_parse_bridge(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_bond(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_vlan(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_macvlan(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);
 
 /* Route */
-int route_new(Network *network, 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(Manager *manager, Route *route, Link *link);
+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)
 
 int config_parse_gateway(const char *unit, const char *filename, unsigned line,
-                         const char *section, const char *lvalue, int ltype,
-                         const char *rvalue, void *data, void *userdata);
+                         const char *section, unsigned section_line, const char *lvalue,
+                         int ltype, const char *rvalue, void *data, void *userdata);
+
+int config_parse_destination(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(Network *network, 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(Manager *manager, Address *address, Link *link);
+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);
 
 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, const char *lvalue, int ltype,
-                         const char *rvalue, void *data, void *userdata);
+                         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);
-int link_up(Manager *manager, Link *link);
+int link_get(Manager *m, int ifindex, Link **ret);
+int link_add(Manager *manager, struct udev_device *device, Link **ret);
+
+int link_update(Link *link, sd_rtnl_message *message);
+
+int link_save(Link *link);
+
+const char* link_state_to_string(LinkState s) _const_;
+LinkState link_state_from_string(const char *s) _pure_;
 
 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_netdev(level, netdev, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", netdev->name, "%s: " fmt, netdev->name, ##__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 NETDEV(netdev) "INTERFACE=%s", netdev->name
+#define ADDRESS_FMT_VAL(address)            \
+        (address).s_addr & 0xFF,            \
+        ((address).s_addr >> 8) & 0xFF,     \
+        ((address).s_addr >> 16) & 0xFF,    \
+        (address).s_addr >> 24