/*-*- 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