X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd.h;h=87eadd1c51a6647ec55b3d4574074fbff67d4b8e;hp=22dcbd098716beab25fdb156cdd0895a6da1d241;hb=dd43110f781a9245ec00531456fee68ed763a179;hpb=54abf461d6b10dc270c4bb2aeac65f240ff1c5cd diff --git a/src/network/networkd.h b/src/network/networkd.h index 22dcbd098..87eadd1c5 100644 --- a/src/network/networkd.h +++ b/src/network/networkd.h @@ -22,19 +22,24 @@ #pragma once #include -#include #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 "udev.h" #include "rtnl-util.h" #include "hashmap.h" #include "list.h" +#include "set.h" +#include "condition-util.h" -typedef struct Netdev Netdev; +#define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU + +typedef struct NetDev NetDev; typedef struct Network Network; typedef struct Link Link; typedef struct Address Address; @@ -50,35 +55,67 @@ struct netdev_enslave_callback { LIST_FIELDS(netdev_enslave_callback, callbacks); }; -typedef enum NetdevKind { +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_IPIP, + NETDEV_KIND_GRE, + NETDEV_KIND_SIT, + NETDEV_KIND_VETH, + NETDEV_KIND_VTI, _NETDEV_KIND_MAX, _NETDEV_KIND_INVALID = -1 -} NetdevKind; +} NetDevKind; -typedef enum NetdevState { +typedef enum NetDevState { NETDEV_STATE_FAILED, NETDEV_STATE_CREATING, NETDEV_STATE_READY, + NETDEV_STATE_LINGER, _NETDEV_STATE_MAX, _NETDEV_STATE_INVALID = -1, -} NetdevState; +} NetDevState; -struct Netdev { +struct NetDev { Manager *manager; + int n_ref; + char *filename; + Condition *match_host; + Condition *match_virt; + Condition *match_kernel; + Condition *match_arch; + char *description; - char *name; - NetdevKind kind; + char *ifname; + char *ifname_peer; + size_t mtu; + NetDevKind kind; - int vlanid; + uint64_t vlanid; + int32_t macvlan_mode; - Link *link; - NetdevState state; + 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); }; @@ -93,24 +130,37 @@ 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; - Netdev *bridge; - Netdev *bond; - Netdev *vlan; + 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; + bool dhcp_critical; + bool ipv4ll; + + bool dhcp_server; LIST_HEAD(Address, static_addresses); LIST_HEAD(Route, static_routes); - Address *dns; Hashmap *addresses_by_section; Hashmap *routes_by_section; + LIST_HEAD(Address, dns); + LIST_HEAD(Address, ntp); + LIST_FIELDS(Network, networks); }; @@ -120,16 +170,18 @@ struct Address { unsigned char 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; - LIST_FIELDS(Address, static_addresses); + LIST_FIELDS(Address, addresses); }; struct Route { @@ -137,8 +189,9 @@ struct Route { uint64_t section; unsigned char family; - unsigned char dst_family; unsigned char dst_prefixlen; + unsigned char scope; + uint32_t metrics; union { struct in_addr in; @@ -150,42 +203,64 @@ struct Route { struct in6_addr in6; } dst_addr; - LIST_FIELDS(Route, static_routes); + 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; + uint64_t 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; + + sd_dhcp_server *dhcp_server; }; struct Manager { @@ -195,6 +270,10 @@ 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 *netdevs; @@ -213,35 +292,47 @@ 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); DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); #define _cleanup_manager_free_ _cleanup_(manager_freep) -/* Netdev */ +/* NetDev */ int netdev_load(Manager *manager); +void netdev_drop(NetDev *netdev); + +NetDev *netdev_unref(NetDev *netdev); +NetDev *netdev_ref(NetDev *netdev); -void netdev_free(Netdev *netdev); +DEFINE_TRIVIAL_CLEANUP_FUNC(NetDev*, netdev_unref); +#define _cleanup_netdev_unref_ _cleanup_(netdev_unrefp) -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, 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); -int netdev_get(Manager *manager, const char *name, Netdev **ret); -int netdev_set_link(Manager *m, NetdevKind kind, Link *link); -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 *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); @@ -251,30 +342,47 @@ 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); -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_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_gperf_lookup(const char *key, unsigned length); +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); 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) @@ -292,7 +400,9 @@ 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) @@ -305,25 +415,43 @@ 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_free); -#define _cleanup_link_free_ _cleanup_(link_freep) +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__) @@ -334,16 +462,16 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free); /* 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, \