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Diffstat (limited to 'src/network/networkd-netdev.h')
| -rw-r--r-- | src/network/networkd-netdev.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/network/networkd-netdev.h b/src/network/networkd-netdev.h new file mode 100644 index 0000000000..a523522887 --- /dev/null +++ b/src/network/networkd-netdev.h @@ -0,0 +1,170 @@ +/*-*- 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 |