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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Tom Gundersen <teg@jklm.no>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#pragma once
#include "networkd.h"
#include "hashmap.h"
#include "list.h"
#include "set.h"
#include "condition-util.h"
#include "in-addr-util.h"
typedef struct NetDevVTable NetDevVTable;
typedef struct netdev_join_callback netdev_join_callback;
struct netdev_join_callback {
sd_rtnl_message_handler_t callback;
Link *link;
LIST_FIELDS(netdev_join_callback, callbacks);
};
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_DUMMY,
NETDEV_KIND_TUN,
NETDEV_KIND_TAP,
_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;
char *user_name;
char *group_name;
size_t mtu;
struct ether_addr *mac;
struct ether_addr *mac_peer;
NetDevKind kind;
uint64_t vlanid;
uint64_t vxlanid;
int32_t macvlan_mode;
int32_t bond_mode;
int ifindex;
NetDevState state;
bool tunnel_pmtudisc;
bool learning;
bool one_queue;
bool multi_queue;
bool packet_info;
unsigned ttl;
unsigned tos;
unsigned char family;
union in_addr_union local;
union in_addr_union remote;
union in_addr_union group;
LIST_HEAD(netdev_join_callback, callbacks);
};
struct NetDevVTable {
/* fill in message to create netdev */
int (*fill_message_create)(NetDev *netdev, sd_rtnl_message *message);
/* fill in message to create netdev on top of a given link */
int (*fill_message_create_on_link)(NetDev *netdev, Link *link, sd_rtnl_message *message);
/* fill in message to enslave link by netdev */
int (*enslave)(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback);
/* create netdev, if not done via rtnl */
int (*create)(NetDev *netdev);
/* verify that compulsory configuration options were specified */
int (*config_verify)(NetDev *netdev, const char *filename);
};
extern const NetDevVTable * const netdev_vtable[_NETDEV_KIND_MAX];
#define NETDEV_VTABLE(n) netdev_vtable[(n)->kind]
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 callback);
int netdev_get_mac(const char *ifname, struct ether_addr **ret);
int netdev_join(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_;
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);
/* gperf */
const struct ConfigPerfItem* network_netdev_gperf_lookup(const char *key, unsigned length);
/* Macros which append INTERFACE= to the message */
#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__)
#define log_struct_netdev(level, netdev, ...) log_struct(level, "INTERFACE=%s", netdev->ifname, __VA_ARGS__)
#define NETDEV(netdev) "INTERFACE=%s", netdev->ifname
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