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/* 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)
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