X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd.h;h=7107c5f9321dd47b5a897ff6268b43c9bfc5e97c;hp=308be832e16fe3cee7d41ebf6f3e26d0635358ba;hb=ce43e484465050c619ea9a1991d49b3d6215028b;hpb=5d3de3fe9cc452f1bfe3c2dcafecbd7f904da4dc diff --git a/src/network/networkd.h b/src/network/networkd.h index 308be832e..7107c5f93 100644 --- a/src/network/networkd.h +++ b/src/network/networkd.h @@ -29,17 +29,21 @@ #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 "sd-lldp.h" #include "rtnl-util.h" #include "hashmap.h" #include "list.h" #include "set.h" -#include "condition-util.h" -#include "socket-util.h" +#include "condition.h" +#include "in-addr-util.h" #define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU -#define VXLAN_VID_MAX (1u << 24) - 1 +#define DHCP_ROUTE_METRIC 1024 +#define IPV4LL_ROUTE_METRIC 2048 typedef struct NetDev NetDev; typedef struct Network Network; @@ -47,85 +51,34 @@ typedef struct Link Link; typedef struct Address Address; typedef struct Route Route; typedef struct Manager Manager; +typedef struct AddressPool AddressPool; +typedef struct FdbEntry FdbEntry; + +typedef enum DHCPSupport { + DHCP_SUPPORT_NONE, + DHCP_SUPPORT_BOTH, + DHCP_SUPPORT_V4, + DHCP_SUPPORT_V6, + _DHCP_SUPPORT_MAX, + _DHCP_SUPPORT_INVALID = -1, +} DHCPSupport; + +typedef enum LLMNRSupport { + LLMNR_SUPPORT_NO, + LLMNR_SUPPORT_YES, + LLMNR_SUPPORT_RESOLVE, + _LLMNR_SUPPORT_MAX, + _LLMNR_SUPPORT_INVALID = -1, +} LLMNRSupport; + +struct FdbEntry { + Network *network; + unsigned section; -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_VXLAN, - NETDEV_KIND_IPIP, - NETDEV_KIND_GRE, - NETDEV_KIND_SIT, - NETDEV_KIND_VETH, - NETDEV_KIND_VTI, - _NETDEV_KIND_MAX, - _NETDEV_KIND_INVALID = -1 -} NetDevKind; - -typedef enum NetDevState { - NETDEV_STATE_FAILED, - NETDEV_STATE_CREATING, - NETDEV_STATE_READY, - NETDEV_STATE_LINGER, - _NETDEV_STATE_MAX, - _NETDEV_STATE_INVALID = -1, -} NetDevState; - -struct NetDev { - Manager *manager; - - int n_ref; - - char *filename; - - Condition *match_host; - Condition *match_virt; - Condition *match_kernel; - Condition *match_arch; - - char *description; - char *ifname; - char *ifname_peer; - size_t mtu; - struct ether_addr *mac; - struct ether_addr *mac_peer; - NetDevKind kind; - - uint64_t vlanid; - uint64_t vxlanid; - int32_t macvlan_mode; - - int ifindex; - NetDevState state; - - bool tunnel_pmtudisc; - bool learning; - unsigned ttl; - unsigned tos; - struct in_addr local; - struct in_addr remote; - struct in_addr group; + struct ether_addr *mac_addr; + uint16_t vlan_id; - LIST_HEAD(netdev_enslave_callback, callbacks); + LIST_FIELDS(FdbEntry, static_fdb_entries); }; struct Network { @@ -138,6 +91,8 @@ 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; @@ -146,120 +101,93 @@ struct Network { char *description; NetDev *bridge; NetDev *bond; - NetDev *tunnel; - Hashmap *vlans; - Hashmap *macvlans; - Hashmap *vxlans; - bool dhcp; + Hashmap *stacked_netdevs; + DHCPSupport dhcp; bool dhcp_dns; bool dhcp_ntp; bool dhcp_mtu; bool dhcp_hostname; - bool dhcp_domainname; + bool dhcp_domains; + bool dhcp_sendhost; + bool dhcp_broadcast; bool dhcp_critical; + bool dhcp_routes; + unsigned dhcp_route_metric; bool ipv4ll; + bool ipv4ll_route; bool dhcp_server; + unsigned cost; + + struct ether_addr *mac; + unsigned mtu; + + bool lldp; + LIST_HEAD(Address, static_addresses); LIST_HEAD(Route, static_routes); + LIST_HEAD(FdbEntry, static_fdb_entries); Hashmap *addresses_by_section; Hashmap *routes_by_section; + Hashmap *fdb_entries_by_section; - LIST_HEAD(Address, dns); - LIST_HEAD(Address, ntp); + bool wildcard_domain; + char **domains, **dns, **ntp; + + LLMNRSupport llmnr; LIST_FIELDS(Network, networks); }; struct Address { Network *network; - uint64_t section; + unsigned section; - unsigned char family; + int family; unsigned char prefixlen; unsigned char scope; + unsigned char flags; char *label; struct in_addr broadcast; struct ifa_cacheinfo cinfo; union in_addr_union in_addr; + union in_addr_union in_addr_peer; LIST_FIELDS(Address, addresses); }; struct Route { Network *network; - uint64_t section; + unsigned section; - unsigned char family; + int family; unsigned char dst_prefixlen; + unsigned char src_prefixlen; unsigned char scope; uint32_t metrics; + unsigned char protocol; /* RTPROT_* */ union in_addr_union in_addr; union in_addr_union dst_addr; + union in_addr_union src_addr; + union in_addr_union prefsrc_addr; 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 { +struct AddressPool { Manager *manager; - int n_ref; - - uint64_t ifindex; - char *ifname; - char *state_file; - struct ether_addr mac; - struct udev_device *udev_device; + int family; + unsigned prefixlen; - unsigned flags; - 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; + union in_addr_union in_addr; - sd_dhcp_server *dhcp_server; + LIST_FIELDS(AddressPool, address_pools); }; struct Manager { @@ -269,14 +197,13 @@ 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; LIST_HEAD(Network, networks); + LIST_HEAD(AddressPool, address_pools); usec_t network_dirs_ts_usec; }; @@ -292,6 +219,7 @@ int manager_load_config(Manager *m); bool manager_should_reload(Manager *m); int manager_rtnl_enumerate_links(Manager *m); +int manager_rtnl_enumerate_addresses(Manager *m); int manager_rtnl_listen(Manager *m); int manager_udev_listen(Manager *m); @@ -299,40 +227,11 @@ int manager_bus_listen(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_drop(NetDev *netdev); - -NetDev *netdev_unref(NetDev *netdev); -NetDev *netdev_ref(NetDev *netdev); - -DEFINE_TRIVIAL_CLEANUP_FUNC(NetDev*, netdev_unref); -#define _cleanup_netdev_unref_ _cleanup_(netdev_unrefp) - -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_create_vxlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback); - -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); @@ -351,6 +250,17 @@ 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_domains(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, @@ -373,12 +283,23 @@ int config_parse_tunnel_address(const char *unit, void *data, void *userdata); +int config_parse_vxlan_group_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); @@ -395,6 +316,9 @@ 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); @@ -407,10 +331,6 @@ 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); @@ -423,57 +343,44 @@ 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 */ - -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); +/* Forwarding database table. */ +int fdb_entry_configure(sd_rtnl *const rtnl, FdbEntry *const fdb_entry, const int ifindex); +void fdb_entry_free(FdbEntry *fdb_entry); +int fdb_entry_new_static(Network *const network, const unsigned section, FdbEntry **ret); -int link_initialized(Link *link, struct udev_device *device); +DEFINE_TRIVIAL_CLEANUP_FUNC(FdbEntry*, fdb_entry_free); +#define _cleanup_fdbentry_free_ _cleanup_(fdb_entry_freep) -int link_save(Link *link); +int config_parse_fdb_hwaddr(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); -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_; +int config_parse_fdb_vlan_id(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 char* link_operstate_to_string(LinkOperationalState s) _const_; -LinkOperationalState link_operstate_from_string(const char *s) _pure_; +/* DHCP support */ -DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref); -#define _cleanup_link_unref_ _cleanup_(link_unrefp) +const char* dhcp_support_to_string(DHCPSupport i) _const_; +DHCPSupport dhcp_support_from_string(const char *s) _pure_; -/* Macros which append INTERFACE= to the message */ +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); -#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__) -#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__) +/* LLMNR support */ -#define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__) +const char* llmnr_support_to_string(LLMNRSupport i) _const_; +LLMNRSupport llmnr_support_from_string(const char *s) _pure_; -/* More macros which append INTERFACE= to the message */ +int config_parse_llmnr(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); -#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__) +/* Address Pool */ -#define log_struct_netdev(level, netdev, ...) log_struct(level, "INTERFACE=%s", netdev->ifname, __VA_ARGS__) +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); -#define NETDEV(netdev) "INTERFACE=%s", netdev->ifname -#define ADDRESS_FMT_VAL(address) \ - (address).s_addr & 0xFF, \ - ((address).s_addr >> 8) & 0xFF, \ - ((address).s_addr >> 16) & 0xFF, \ - (address).s_addr >> 24 +int address_pool_acquire(AddressPool *p, unsigned prefixlen, union in_addr_union *found);