-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#ifndef foosdlldphfoo
+#define foosdlldphfoo
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#pragma once
+#include <inttypes.h>
+#include <net/ethernet.h>
+#include <sys/types.h>
#include "sd-event.h"
+#include "_sd-common.h"
+
+_SD_BEGIN_DECLARATIONS;
+
+/* IEEE 802.3AB Clause 9: TLV Types */
+enum {
+ SD_LLDP_TYPE_END = 0,
+ SD_LLDP_TYPE_CHASSIS_ID = 1,
+ SD_LLDP_TYPE_PORT_ID = 2,
+ SD_LLDP_TYPE_TTL = 3,
+ SD_LLDP_TYPE_PORT_DESCRIPTION = 4,
+ SD_LLDP_TYPE_SYSTEM_NAME = 5,
+ SD_LLDP_TYPE_SYSTEM_DESCRIPTION = 6,
+ SD_LLDP_TYPE_SYSTEM_CAPABILITIES = 7,
+ SD_LLDP_TYPE_MGMT_ADDRESS = 8,
+ SD_LLDP_TYPE_PRIVATE = 127,
+};
+
+/* IEEE 802.3AB Clause 9.5.2: Chassis subtypes */
+enum {
+ SD_LLDP_CHASSIS_SUBTYPE_RESERVED = 0,
+ SD_LLDP_CHASSIS_SUBTYPE_CHASSIS_COMPONENT = 1,
+ SD_LLDP_CHASSIS_SUBTYPE_INTERFACE_ALIAS = 2,
+ SD_LLDP_CHASSIS_SUBTYPE_PORT_COMPONENT = 3,
+ SD_LLDP_CHASSIS_SUBTYPE_MAC_ADDRESS = 4,
+ SD_LLDP_CHASSIS_SUBTYPE_NETWORK_ADDRESS = 5,
+ SD_LLDP_CHASSIS_SUBTYPE_INTERFACE_NAME = 6,
+ SD_LLDP_CHASSIS_SUBTYPE_LOCALLY_ASSIGNED = 7,
+};
+
+/* IEEE 802.3AB Clause 9.5.3: Port subtype */
+enum {
+ SD_LLDP_PORT_SUBTYPE_RESERVED = 0,
+ SD_LLDP_PORT_SUBTYPE_INTERFACE_ALIAS = 1,
+ SD_LLDP_PORT_SUBTYPE_PORT_COMPONENT = 2,
+ SD_LLDP_PORT_SUBTYPE_MAC_ADDRESS = 3,
+ SD_LLDP_PORT_SUBTYPE_NETWORK_ADDRESS = 4,
+ SD_LLDP_PORT_SUBTYPE_INTERFACE_NAME = 5,
+ SD_LLDP_PORT_SUBTYPE_AGENT_CIRCUIT_ID = 6,
+ SD_LLDP_PORT_SUBTYPE_LOCALLY_ASSIGNED = 7,
+};
+
enum {
- SD_LLDP_EVENT_UPDATE_INFO = 0,
+ SD_LLDP_SYSTEM_CAPABILITIES_OTHER = 1 << 0,
+ SD_LLDP_SYSTEM_CAPABILITIES_REPEATER = 1 << 1,
+ SD_LLDP_SYSTEM_CAPABILITIES_BRIDGE = 1 << 2,
+ SD_LLDP_SYSTEM_CAPABILITIES_WLAN_AP = 1 << 3,
+ SD_LLDP_SYSTEM_CAPABILITIES_ROUTER = 1 << 4,
+ SD_LLDP_SYSTEM_CAPABILITIES_PHONE = 1 << 5,
+ SD_LLDP_SYSTEM_CAPABILITIES_DOCSIS = 1 << 6,
+ SD_LLDP_SYSTEM_CAPABILITIES_STATION = 1 << 7,
+ SD_LLDP_SYSTEM_CAPABILITIES_CVLAN = 1 << 8,
+ SD_LLDP_SYSTEM_CAPABILITIES_SVLAN = 1 << 9,
+ SD_LLDP_SYSTEM_CAPABILITIES_TPMR = 1 << 10,
+};
+
+#define SD_LLDP_SYSTEM_CAPABILITIES_ALL ((uint16_t) -1)
+
+#define SD_LLDP_SYSTEM_CAPABILITIES_ALL_ROUTERS \
+ ((uint16_t) \
+ (SD_LLDP_SYSTEM_CAPABILITIES_REPEATER| \
+ SD_LLDP_SYSTEM_CAPABILITIES_BRIDGE| \
+ SD_LLDP_SYSTEM_CAPABILITIES_WLAN_AP| \
+ SD_LLDP_SYSTEM_CAPABILITIES_ROUTER| \
+ SD_LLDP_SYSTEM_CAPABILITIES_DOCSIS| \
+ SD_LLDP_SYSTEM_CAPABILITIES_CVLAN| \
+ SD_LLDP_SYSTEM_CAPABILITIES_SVLAN| \
+ SD_LLDP_SYSTEM_CAPABILITIES_TPMR))
+
+#define SD_LLDP_OUI_802_1 (uint8_t[]) { 0x00, 0x80, 0xc2 }
+#define SD_LLDP_OUI_802_3 (uint8_t[]) { 0x00, 0x12, 0x0f }
+
+enum {
+ SD_LLDP_OUI_802_1_SUBTYPE_PORT_VLAN_ID = 1,
+ SD_LLDP_OUI_802_1_SUBTYPE_PORT_PROTOCOL_VLAN_ID = 2,
+ SD_LLDP_OUI_802_1_SUBTYPE_VLAN_NAME = 3,
+ SD_LLDP_OUI_802_1_SUBTYPE_PROTOCOL_IDENTITY = 4,
+ SD_LLDP_OUI_802_1_SUBTYPE_VID_USAGE_DIGEST = 5,
+ SD_LLDP_OUI_802_1_SUBTYPE_MANAGEMENT_VID = 6,
+ SD_LLDP_OUI_802_1_SUBTYPE_LINK_AGGREGATION = 7,
};
typedef struct sd_lldp sd_lldp;
+typedef struct sd_lldp_neighbor sd_lldp_neighbor;
+
+typedef enum sd_lldp_event {
+ SD_LLDP_EVENT_ADDED = 'a',
+ SD_LLDP_EVENT_REMOVED = 'r',
+ SD_LLDP_EVENT_UPDATED = 'u',
+ SD_LLDP_EVENT_REFRESHED = 'f',
+} sd_lldp_event;
-typedef void (*sd_lldp_cb_t)(sd_lldp *lldp, int event, void *userdata);
+typedef void (*sd_lldp_callback_t)(sd_lldp *lldp, sd_lldp_event event, sd_lldp_neighbor *n, void *userdata);
-int sd_lldp_new(int ifindex, const char *ifname, const struct ether_addr *mac, sd_lldp **ret);
-void sd_lldp_free(sd_lldp *lldp);
+int sd_lldp_new(sd_lldp **ret);
+sd_lldp* sd_lldp_ref(sd_lldp *lldp);
+sd_lldp* sd_lldp_unref(sd_lldp *lldp);
int sd_lldp_start(sd_lldp *lldp);
int sd_lldp_stop(sd_lldp *lldp);
-int sd_lldp_attach_event(sd_lldp *lldp, sd_event *event, int priority);
+int sd_lldp_attach_event(sd_lldp *lldp, sd_event *event, int64_t priority);
int sd_lldp_detach_event(sd_lldp *lldp);
+sd_event *sd_lldp_get_event(sd_lldp *lldp);
+
+int sd_lldp_set_callback(sd_lldp *lldp, sd_lldp_callback_t cb, void *userdata);
+int sd_lldp_set_ifindex(sd_lldp *lldp, int ifindex);
+
+/* Controls how much and what to store in the neighbors database */
+int sd_lldp_set_neighbors_max(sd_lldp *lldp, uint64_t n);
+int sd_lldp_match_capabilities(sd_lldp *lldp, uint16_t mask);
+int sd_lldp_set_filter_address(sd_lldp *lldp, const struct ether_addr *address);
+
+int sd_lldp_get_neighbors(sd_lldp *lldp, sd_lldp_neighbor ***neighbors);
+
+int sd_lldp_neighbor_from_raw(sd_lldp_neighbor **ret, const void *raw, size_t raw_size);
+sd_lldp_neighbor *sd_lldp_neighbor_ref(sd_lldp_neighbor *n);
+sd_lldp_neighbor *sd_lldp_neighbor_unref(sd_lldp_neighbor *n);
+
+/* Access to LLDP frame metadata */
+int sd_lldp_neighbor_get_source_address(sd_lldp_neighbor *n, struct ether_addr* address);
+int sd_lldp_neighbor_get_destination_address(sd_lldp_neighbor *n, struct ether_addr* address);
+int sd_lldp_neighbor_get_timestamp(sd_lldp_neighbor *n, clockid_t clock, uint64_t *ret);
+int sd_lldp_neighbor_get_raw(sd_lldp_neighbor *n, const void **ret, size_t *size);
+
+/* High-level, direct, parsed out field access. These fields exist at most once, hence may be queried directly. */
+int sd_lldp_neighbor_get_chassis_id(sd_lldp_neighbor *n, uint8_t *type, const void **ret, size_t *size);
+int sd_lldp_neighbor_get_chassis_id_as_string(sd_lldp_neighbor *n, const char **ret);
+int sd_lldp_neighbor_get_port_id(sd_lldp_neighbor *n, uint8_t *type, const void **ret, size_t *size);
+int sd_lldp_neighbor_get_port_id_as_string(sd_lldp_neighbor *n, const char **ret);
+int sd_lldp_neighbor_get_ttl(sd_lldp_neighbor *n, uint16_t *ret_sec);
+int sd_lldp_neighbor_get_system_name(sd_lldp_neighbor *n, const char **ret);
+int sd_lldp_neighbor_get_system_description(sd_lldp_neighbor *n, const char **ret);
+int sd_lldp_neighbor_get_port_description(sd_lldp_neighbor *n, const char **ret);
+int sd_lldp_neighbor_get_system_capabilities(sd_lldp_neighbor *n, uint16_t *ret);
+int sd_lldp_neighbor_get_enabled_capabilities(sd_lldp_neighbor *n, uint16_t *ret);
+
+/* Low-level, iterative TLV access. This is for evertyhing else, it iteratively goes through all available TLVs
+ * (including the ones covered with the calls above), and allows multiple TLVs for the same fields. */
+int sd_lldp_neighbor_tlv_rewind(sd_lldp_neighbor *n);
+int sd_lldp_neighbor_tlv_next(sd_lldp_neighbor *n);
+int sd_lldp_neighbor_tlv_get_type(sd_lldp_neighbor *n, uint8_t *type);
+int sd_lldp_neighbor_tlv_is_type(sd_lldp_neighbor *n, uint8_t type);
+int sd_lldp_neighbor_tlv_get_oui(sd_lldp_neighbor *n, uint8_t oui[3], uint8_t *subtype);
+int sd_lldp_neighbor_tlv_is_oui(sd_lldp_neighbor *n, const uint8_t oui[3], uint8_t subtype);
+int sd_lldp_neighbor_tlv_get_raw(sd_lldp_neighbor *n, const void **ret, size_t *size);
+
+_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_lldp, sd_lldp_unref);
+_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_lldp_neighbor, sd_lldp_neighbor_unref);
+
+_SD_END_DECLARATIONS;
-int sd_lldp_set_callback(sd_lldp *lldp, sd_lldp_cb_t cb, void *userdata);
-int sd_lldp_save(sd_lldp *lldp, const char *file);
+#endif
projects / thirdparty / systemd.git / blobdiff