X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd.h;h=138b82d786e0873c8ca7c5639a3c0a1de1ebccaa;hp=d31844aefdae551b1e771d0a825c19c34158090a;hb=bfa695b5cc37aeb78737c57c84e9e69ea08152c0;hpb=1e9be60bbabe179f5233217384f1daec757c17c7 diff --git a/src/network/networkd.h b/src/network/networkd.h index d31844aef..138b82d78 100644 --- a/src/network/networkd.h +++ b/src/network/networkd.h @@ -27,7 +27,10 @@ #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" @@ -35,8 +38,11 @@ #include "list.h" #include "set.h" #include "condition-util.h" +#include "in-addr-util.h" #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; @@ -44,64 +50,16 @@ typedef struct Link Link; typedef struct Address Address; typedef struct Route Route; typedef struct Manager Manager; +typedef struct AddressPool AddressPool; -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); -}; +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; @@ -113,6 +71,8 @@ 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; @@ -121,15 +81,24 @@ struct Network { char *description; NetDev *bridge; NetDev *bond; + NetDev *tunnel; Hashmap *vlans; Hashmap *macvlans; - bool dhcp; + 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); @@ -137,7 +106,7 @@ struct Network { Hashmap *addresses_by_section; Hashmap *routes_by_section; - Set *dns; + char **dns, **ntp; LIST_FIELDS(Network, networks); }; @@ -146,7 +115,7 @@ struct Address { Network *network; uint64_t section; - unsigned char family; + int family; unsigned char prefixlen; unsigned char scope; char *label; @@ -154,34 +123,26 @@ struct Address { 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; + 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 { @@ -192,13 +153,26 @@ typedef enum LinkState { 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; @@ -206,20 +180,42 @@ struct Link { struct udev_device *udev_device; unsigned flags; - uint8_t operstate; + 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; + + int family; + unsigned prefixlen; + + union in_addr_union in_addr; + + LIST_FIELDS(AddressPool, address_pools); }; struct Manager { @@ -232,9 +228,12 @@ struct Manager { sd_event_source *sigterm_event_source; sd_event_source *sigint_event_source; + char *state_file; + Hashmap *links; Hashmap *netdevs; LIST_HEAD(Network, networks); + LIST_HEAD(AddressPool, address_pools); usec_t network_dirs_ts_usec; }; @@ -255,37 +254,13 @@ 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) -/* 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, sd_rtnl_message *newlink); -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); @@ -300,28 +275,38 @@ int network_get(Manager *manager, struct udev_device *device, 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_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); +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_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); @@ -338,6 +323,9 @@ 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); @@ -345,14 +333,11 @@ 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); @@ -367,25 +352,50 @@ int config_parse_label(const char *unit, const char *filename, unsigned line, /* Link */ -void link_free(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_; -DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free); -#define _cleanup_link_free_ _cleanup_(link_freep) +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 */ + +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__) @@ -394,18 +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_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, \