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-rw-r--r--src/grp-network/libnetworkd-core/networkd-netdev.h201
1 files changed, 201 insertions, 0 deletions
diff --git a/src/grp-network/libnetworkd-core/networkd-netdev.h b/src/grp-network/libnetworkd-core/networkd-netdev.h
new file mode 100644
index 0000000000..758af90d5f
--- /dev/null
+++ b/src/grp-network/libnetworkd-core/networkd-netdev.h
@@ -0,0 +1,201 @@
+#pragma once
+
+/***
+ 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/>.
+***/
+
+#include "systemd-basic/list.h"
+#include "systemd-basic/time-util.h"
+#include "systemd-staging/sd-netlink.h"
+
+typedef struct netdev_join_callback netdev_join_callback;
+typedef struct Link Link;
+
+struct netdev_join_callback {
+ sd_netlink_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_MACVTAP,
+ NETDEV_KIND_IPVLAN,
+ NETDEV_KIND_VXLAN,
+ NETDEV_KIND_IPIP,
+ NETDEV_KIND_GRE,
+ NETDEV_KIND_GRETAP,
+ NETDEV_KIND_IP6GRE,
+ NETDEV_KIND_IP6GRETAP,
+ NETDEV_KIND_SIT,
+ NETDEV_KIND_VETH,
+ NETDEV_KIND_VTI,
+ NETDEV_KIND_VTI6,
+ NETDEV_KIND_IP6TNL,
+ NETDEV_KIND_DUMMY,
+ NETDEV_KIND_TUN,
+ NETDEV_KIND_TAP,
+ NETDEV_KIND_VRF,
+ NETDEV_KIND_VCAN,
+ _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;
+
+typedef enum NetDevCreateType {
+ NETDEV_CREATE_INDEPENDENT,
+ NETDEV_CREATE_MASTER,
+ NETDEV_CREATE_STACKED,
+ _NETDEV_CREATE_MAX,
+ _NETDEV_CREATE_INVALID = -1,
+} NetDevCreateType;
+
+typedef struct Manager Manager;
+typedef struct Condition Condition;
+
+typedef struct NetDev {
+ Manager *manager;
+
+ int n_ref;
+
+ char *filename;
+
+ Condition *match_host;
+ Condition *match_virt;
+ Condition *match_kernel;
+ Condition *match_arch;
+
+ NetDevState state;
+ NetDevKind kind;
+ char *description;
+ char *ifname;
+ struct ether_addr *mac;
+ size_t mtu;
+ int ifindex;
+
+ LIST_HEAD(netdev_join_callback, callbacks);
+} NetDev;
+
+typedef struct NetDevVTable {
+ /* How much memory does an object of this unit type need */
+ size_t object_size;
+
+ /* Config file sections this netdev kind understands, separated
+ * by NUL chars */
+ const char *sections;
+
+ /* This should reset all type-specific variables. This should
+ * not allocate memory, and is called with zero-initialized
+ * data. It should hence only initialize variables that need
+ * to be set != 0. */
+ void (*init)(NetDev *n);
+
+ /* This should free all kind-specific variables. It should be
+ * idempotent. */
+ void (*done)(NetDev *n);
+
+ /* fill in message to create netdev */
+ int (*fill_message_create)(NetDev *netdev, Link *link, sd_netlink_message *message);
+
+ /* specifies if netdev is independent, or a master device or a stacked device */
+ NetDevCreateType create_type;
+
+ /* create netdev, if not done via rtnl */
+ int (*create)(NetDev *netdev);
+
+ /* perform additional configuration after netdev has been createad */
+ int (*post_create)(NetDev *netdev, Link *link, sd_netlink_message *message);
+
+ /* verify that compulsory configuration options were specified */
+ int (*config_verify)(NetDev *netdev, const char *filename);
+} NetDevVTable;
+
+extern const NetDevVTable * const netdev_vtable[_NETDEV_KIND_MAX];
+
+#define NETDEV_VTABLE(n) netdev_vtable[(n)->kind]
+
+/* For casting a netdev into the various netdev kinds */
+#define DEFINE_NETDEV_CAST(UPPERCASE, MixedCase) \
+ static inline MixedCase* UPPERCASE(NetDev *n) { \
+ if (_unlikely_(!n || n->kind != NETDEV_KIND_##UPPERCASE)) \
+ return NULL; \
+ \
+ return (MixedCase*) n; \
+ }
+
+/* For casting the various netdev kinds into a netdev */
+#define NETDEV(n) (&(n)->meta)
+
+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_netlink_message *newlink);
+int netdev_enslave(NetDev *netdev, Link *link, sd_netlink_message_handler_t callback);
+int netdev_get_mac(const char *ifname, struct ether_addr **ret);
+int netdev_join(NetDev *netdev, Link *link, sd_netlink_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, GPERF_LEN_TYPE length);
+
+/* Macros which append INTERFACE= to the message */
+
+#define log_netdev_full(netdev, level, error, ...) \
+ ({ \
+ const NetDev *_n = (netdev); \
+ _n ? log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", _n->ifname, NULL, NULL, ##__VA_ARGS__) : \
+ log_internal(level, error, __FILE__, __LINE__, __func__, ##__VA_ARGS__); \
+ })
+
+#define log_netdev_debug(netdev, ...) log_netdev_full(netdev, LOG_DEBUG, 0, ##__VA_ARGS__)
+#define log_netdev_info(netdev, ...) log_netdev_full(netdev, LOG_INFO, 0, ##__VA_ARGS__)
+#define log_netdev_notice(netdev, ...) log_netdev_full(netdev, LOG_NOTICE, 0, ##__VA_ARGS__)
+#define log_netdev_warning(netdev, ...) log_netdev_full(netdev, LOG_WARNING, 0, ## __VA_ARGS__)
+#define log_netdev_error(netdev, ...) log_netdev_full(netdev, LOG_ERR, 0, ##__VA_ARGS__)
+
+#define log_netdev_debug_errno(netdev, error, ...) log_netdev_full(netdev, LOG_DEBUG, error, ##__VA_ARGS__)
+#define log_netdev_info_errno(netdev, error, ...) log_netdev_full(netdev, LOG_INFO, error, ##__VA_ARGS__)
+#define log_netdev_notice_errno(netdev, error, ...) log_netdev_full(netdev, LOG_NOTICE, error, ##__VA_ARGS__)
+#define log_netdev_warning_errno(netdev, error, ...) log_netdev_full(netdev, LOG_WARNING, error, ##__VA_ARGS__)
+#define log_netdev_error_errno(netdev, error, ...) log_netdev_full(netdev, LOG_ERR, error, ##__VA_ARGS__)
+
+#define LOG_NETDEV_MESSAGE(netdev, fmt, ...) "MESSAGE=%s: " fmt, (netdev)->ifname, ##__VA_ARGS__
+#define LOG_NETDEV_INTERFACE(netdev) "INTERFACE=%s", (netdev)->ifname
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