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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <linux/rtnetlink.h>
#include "sd-netlink.h"
#include "ether-addr-util.h"
#include "in-addr-util.h"
#include "ordered-set.h"
#include "socket-util.h"
#include "util.h"
/* See struct rtvia in rtnetlink.h */
typedef struct RouteVia {
uint16_t family;
union in_addr_union address;
} _packed_ RouteVia;
typedef struct MultipathRoute {
RouteVia gateway;
uint32_t weight;
int ifindex;
char *ifname;
} MultipathRoute;
MultipathRoute *multipath_route_free(MultipathRoute *m);
DEFINE_TRIVIAL_CLEANUP_FUNC(MultipathRoute*, multipath_route_free);
int multipath_route_dup(const MultipathRoute *m, MultipathRoute **ret);
int rtnl_set_link_name(sd_netlink **rtnl, int ifindex, const char *name);
int rtnl_set_link_properties(
sd_netlink **rtnl,
int ifindex,
const char *alias,
const struct hw_addr_data *hw_addr,
uint32_t txqueues,
uint32_t rxqueues,
uint32_t txqueuelen,
uint32_t mtu,
uint32_t gso_max_size,
size_t gso_max_segments);
int rtnl_get_link_alternative_names(sd_netlink **rtnl, int ifindex, char ***ret);
int rtnl_set_link_alternative_names(sd_netlink **rtnl, int ifindex, char* const *alternative_names);
int rtnl_set_link_alternative_names_by_ifname(sd_netlink **rtnl, const char *ifname, char* const *alternative_names);
int rtnl_delete_link_alternative_names(sd_netlink **rtnl, int ifindex, char* const *alternative_names);
int rtnl_resolve_link_alternative_name(sd_netlink **rtnl, const char *name, char **ret);
int rtnl_resolve_ifname(sd_netlink **rtnl, const char *name);
int rtnl_resolve_interface(sd_netlink **rtnl, const char *name);
int rtnl_resolve_interface_or_warn(sd_netlink **rtnl, const char *name);
int rtnl_get_link_info(
sd_netlink **rtnl,
int ifindex,
unsigned short *ret_iftype,
unsigned *ret_flags,
char **ret_kind,
struct hw_addr_data *ret_hw_addr,
struct hw_addr_data *ret_permanent_hw_addr);
int rtnl_log_parse_error(int r);
int rtnl_log_create_error(int r);
#define netlink_call_async(nl, ret_slot, message, callback, destroy_callback, userdata) \
({ \
int (*_callback_)(sd_netlink *, sd_netlink_message *, typeof(userdata)) = callback; \
void (*_destroy_)(typeof(userdata)) = destroy_callback; \
sd_netlink_call_async(nl, ret_slot, message, \
(sd_netlink_message_handler_t) _callback_, \
(sd_netlink_destroy_t) _destroy_, \
userdata, 0, __func__); \
})
#define netlink_add_match(nl, ret_slot, match, callback, destroy_callback, userdata, description) \
({ \
int (*_callback_)(sd_netlink *, sd_netlink_message *, typeof(userdata)) = callback; \
void (*_destroy_)(typeof(userdata)) = destroy_callback; \
sd_netlink_add_match(nl, ret_slot, match, \
(sd_netlink_message_handler_t) _callback_, \
(sd_netlink_destroy_t) _destroy_, \
userdata, description); \
})
#define genl_add_match(nl, ret_slot, family, group, cmd, callback, destroy_callback, userdata, description) \
({ \
int (*_callback_)(sd_netlink *, sd_netlink_message *, typeof(userdata)) = callback; \
void (*_destroy_)(typeof(userdata)) = destroy_callback; \
sd_genl_add_match(nl, ret_slot, family, group, cmd, \
(sd_netlink_message_handler_t) _callback_, \
(sd_netlink_destroy_t) _destroy_, \
userdata, description); \
})
int netlink_message_append_hw_addr(sd_netlink_message *m, unsigned short type, const struct hw_addr_data *data);
int netlink_message_append_in_addr_union(sd_netlink_message *m, unsigned short type, int family, const union in_addr_union *data);
int netlink_message_append_sockaddr_union(sd_netlink_message *m, unsigned short type, const union sockaddr_union *data);
int netlink_message_read_hw_addr(sd_netlink_message *m, unsigned short type, struct hw_addr_data *data);
int netlink_message_read_in_addr_union(sd_netlink_message *m, unsigned short type, int family, union in_addr_union *data);
void rtattr_append_attribute_internal(struct rtattr *rta, unsigned short type, const void *data, size_t data_length);
int rtattr_append_attribute(struct rtattr **rta, unsigned short type, const void *data, size_t data_length);
int rtattr_read_nexthop(const struct rtnexthop *rtnh, size_t size, int family, OrderedSet **ret);
void netlink_seal_message(sd_netlink *nl, sd_netlink_message *m);
/* TODO: to be exported later */
int sd_netlink_sendv(sd_netlink *nl, sd_netlink_message **messages, size_t msgcnt, uint32_t **ret_serial);
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