/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once #include "sd-dhcp-lease.h" #include "sd-netlink.h" #include "conf-parser.h" #include "hashmap.h" #include "log.h" #include "macro.h" #include "network-util.h" #include "string-util.h" typedef struct Link Link; typedef enum NetworkConfigSource { NETWORK_CONFIG_SOURCE_FOREIGN, /* configured by kernel */ NETWORK_CONFIG_SOURCE_STATIC, NETWORK_CONFIG_SOURCE_IPV4LL, NETWORK_CONFIG_SOURCE_DHCP4, NETWORK_CONFIG_SOURCE_DHCP6, NETWORK_CONFIG_SOURCE_DHCP_PD, NETWORK_CONFIG_SOURCE_NDISC, NETWORK_CONFIG_SOURCE_RUNTIME, /* through D-Bus method */ _NETWORK_CONFIG_SOURCE_MAX, _NETWORK_CONFIG_SOURCE_INVALID = -EINVAL, } NetworkConfigSource; typedef enum NetworkConfigState { NETWORK_CONFIG_STATE_REQUESTING = 1 << 0, /* request is queued */ NETWORK_CONFIG_STATE_CONFIGURING = 1 << 1, /* e.g. address_configure() is called, but no response is received yet */ NETWORK_CONFIG_STATE_CONFIGURED = 1 << 2, /* e.g. address_configure() is called and received a response from kernel. * Note that address may not be ready yet, so please use address_is_ready() * to check whether the address can be usable or not. */ NETWORK_CONFIG_STATE_MARKED = 1 << 3, /* used GC'ing the old config */ NETWORK_CONFIG_STATE_REMOVING = 1 << 4, /* e.g. address_remove() is called, but no response is received yet */ } NetworkConfigState; static inline usec_t sec_to_usec(uint32_t sec, usec_t timestamp_usec) { return sec == 0 ? 0 : sec == UINT32_MAX ? USEC_INFINITY : usec_add(timestamp_usec, sec * USEC_PER_SEC); } static inline usec_t sec16_to_usec(uint16_t sec, usec_t timestamp_usec) { return sec_to_usec(sec == UINT16_MAX ? UINT32_MAX : (uint32_t) sec, timestamp_usec); } static inline uint32_t usec_to_sec(usec_t usec, usec_t now_usec) { return MIN(DIV_ROUND_UP(usec_sub_unsigned(usec, now_usec), USEC_PER_SEC), UINT32_MAX); } CONFIG_PARSER_PROTOTYPE(config_parse_link_local_address_family); CONFIG_PARSER_PROTOTYPE(config_parse_ip_masquerade); CONFIG_PARSER_PROTOTYPE(config_parse_mud_url); const char* network_config_source_to_string(NetworkConfigSource s) _const_; int network_config_state_to_string_alloc(NetworkConfigState s, char **ret); #define DEFINE_NETWORK_CONFIG_STATE_FUNCTIONS(type, name) \ static inline void name##_update_state( \ type *t, \ NetworkConfigState mask, \ NetworkConfigState value) { \ \ assert(t); \ \ t->state = (t->state & ~mask) | (value & mask); \ } \ static inline bool name##_exists(const type *t) { \ assert(t); \ \ if ((t->state & (NETWORK_CONFIG_STATE_CONFIGURING | \ NETWORK_CONFIG_STATE_CONFIGURED)) == 0) \ return false; /* Not assigned yet. */ \ if (FLAGS_SET(t->state, NETWORK_CONFIG_STATE_REMOVING)) \ return false; /* Already removing. */ \ return true; \ } \ static inline void name##_enter_requesting(type *t) { \ name##_update_state(t, \ NETWORK_CONFIG_STATE_REQUESTING, \ NETWORK_CONFIG_STATE_REQUESTING); \ } \ static inline void name##_cancel_requesting(type *t) { \ name##_update_state(t, \ NETWORK_CONFIG_STATE_REQUESTING, \ 0); \ } \ static inline bool name##_is_requesting(const type *t) { \ assert(t); \ return FLAGS_SET(t->state, NETWORK_CONFIG_STATE_REQUESTING); \ } \ static inline void name##_enter_configuring(type *t) { \ name##_update_state(t, \ NETWORK_CONFIG_STATE_REQUESTING | \ NETWORK_CONFIG_STATE_CONFIGURING | \ NETWORK_CONFIG_STATE_REMOVING, \ NETWORK_CONFIG_STATE_CONFIGURING); \ } \ static inline void name##_enter_configured(type *t) { \ name##_update_state(t, \ NETWORK_CONFIG_STATE_CONFIGURING | \ NETWORK_CONFIG_STATE_CONFIGURED, \ NETWORK_CONFIG_STATE_CONFIGURED); \ } \ static inline void name##_mark(type *t) { \ name##_update_state(t, \ NETWORK_CONFIG_STATE_MARKED, \ NETWORK_CONFIG_STATE_MARKED); \ } \ static inline void name##_unmark(type *t) { \ name##_update_state(t, NETWORK_CONFIG_STATE_MARKED, 0); \ } \ static inline bool name##_is_marked(const type *t) { \ assert(t); \ return FLAGS_SET(t->state, NETWORK_CONFIG_STATE_MARKED); \ } \ static inline void name##_enter_removing(type *t) { \ name##_update_state(t, \ NETWORK_CONFIG_STATE_MARKED | \ NETWORK_CONFIG_STATE_REMOVING, \ NETWORK_CONFIG_STATE_REMOVING); \ } \ static inline void name##_enter_removed(type *t) { \ name##_update_state(t, \ NETWORK_CONFIG_STATE_CONFIGURED | \ NETWORK_CONFIG_STATE_REMOVING, \ 0); \ } const char* address_family_to_string(AddressFamily b) _const_; AddressFamily address_family_from_string(const char *s) _pure_; AddressFamily link_local_address_family_from_string(const char *s) _pure_; const char* routing_policy_rule_address_family_to_string(AddressFamily b) _const_; AddressFamily routing_policy_rule_address_family_from_string(const char *s) _pure_; const char* nexthop_address_family_to_string(AddressFamily b) _const_; AddressFamily nexthop_address_family_from_string(const char *s) _pure_; const char* duplicate_address_detection_address_family_to_string(AddressFamily b) _const_; AddressFamily duplicate_address_detection_address_family_from_string(const char *s) _pure_; AddressFamily dhcp_deprecated_address_family_from_string(const char *s) _pure_; const char* dhcp_lease_server_type_to_string(sd_dhcp_lease_server_type_t t) _const_; sd_dhcp_lease_server_type_t dhcp_lease_server_type_from_string(const char *s) _pure_; int log_link_message_full_errno(Link *link, sd_netlink_message *m, int level, int err, const char *msg); #define log_link_message_error_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_ERR, err, msg) #define log_link_message_warning_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_WARNING, err, msg) #define log_link_message_notice_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_NOTICE, err, msg) #define log_link_message_info_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_INFO, err, msg) #define log_link_message_debug_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_DEBUG, err, msg) #define log_message_full_errno(m, level, err, msg) log_link_message_full_errno(NULL, m, level, err, msg) #define log_message_error_errno(m, err, msg) log_message_full_errno(m, LOG_ERR, err, msg) #define log_message_warning_errno(m, err, msg) log_message_full_errno(m, LOG_WARNING, err, msg) #define log_message_notice_errno(m, err, msg) log_message_full_errno(m, LOG_NOTICE, err, msg) #define log_message_info_errno(m, err, msg) log_message_full_errno(m, LOG_INFO, err, msg) #define log_message_debug_errno(m, err, msg) log_message_full_errno(m, LOG_DEBUG, err, msg)