eui_provider.h
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1 /*
2  * Copyright (C) 2020 ML!PA Consulting GmbH
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
95 #ifndef NET_EUI_PROVIDER_H
96 #define NET_EUI_PROVIDER_H
97 
98 #include "net/eui48.h"
99 #include "net/eui64.h"
100 #include "net/netdev.h"
101 
102 #ifdef __cplusplus
103 extern "C" {
104 #endif
105 
116 typedef int (*netdev_get_eui48_cb_t)(uint8_t index, eui48_t *addr);
117 
128 typedef int (*netdev_get_eui64_cb_t)(uint8_t index, eui64_t *addr);
129 
133 typedef struct {
136  uint8_t index;
137 } eui48_conf_t;
138 
142 typedef struct {
145  uint8_t index;
146 } eui64_conf_t;
147 
162 
177 
188 static inline void eui_short_from_eui64(eui64_t *addr_long,
189  network_uint16_t *addr_short)
190 {
191  /* https://tools.ietf.org/html/rfc4944#section-12 requires the first bit to
192  * 0 for unicast addresses */
193  addr_short->u8[0] = addr_long->uint8[6] & 0x7F;
194  addr_short->u8[1] = addr_long->uint8[7];
195 }
196 
197 #ifdef __cplusplus
198 }
199 #endif
200 
201 #endif /* NET_EUI_PROVIDER_H */
202 
EUI-64 data type definition.
Data type to represent an EUI-48.
Definition: eui48.h:35
netdev_type_t type
device type to match or NETDEV_ANY
Definition: eui_provider.h:135
A 16 bit integer in big endian aka network byte order.
Definition: byteorder.h:77
Definitions low-level network driver interface.
static void eui_short_from_eui64(eui64_t *addr_long, network_uint16_t *addr_short)
Get a short unicast address from an EUI-64.
Definition: eui_provider.h:188
netdev_type_t
Driver types for netdev.
Definition: netdev.h:304
int(* netdev_get_eui48_cb_t)(uint8_t index, eui48_t *addr)
Function for providing a EUI-48 to a device.
Definition: eui_provider.h:116
Structure to hold providers for EUI-48 addresses.
Definition: eui_provider.h:133
uint8_t uint8[8]
split into 8 8-bit words.
Definition: eui64.h:57
uint8_t index
device index to match or NETDEV_INDEX_ANY
Definition: eui_provider.h:136
netdev_get_eui64_cb_t provider
function to provide an EUI-64
Definition: eui_provider.h:143
Structure to hold driver state.
Definition: netdev.h:341
netdev_get_eui48_cb_t provider
function to provide an EUI-48
Definition: eui_provider.h:134
void netdev_eui64_get(netdev_t *netdev, eui64_t *addr)
Generates an EUI-64 address for the netdev interface.
int(* netdev_get_eui64_cb_t)(uint8_t index, eui64_t *addr)
Function for providing a EUI-64 to a device.
Definition: eui_provider.h:128
Structure to hold providers for EUI-64 addresses.
Definition: eui_provider.h:142
void netdev_eui48_get(netdev_t *netdev, eui48_t *addr)
Generates an EUI-48 address for the netdev interface.
uint8_t index
device index to match or NETDEV_INDEX_ANY
Definition: eui_provider.h:145
netdev_type_t type
device type to match or NETDEV_ANY
Definition: eui_provider.h:144
uint8_t u8[2]
8 bit representation
Definition: byteorder.h:79
Data type to represent an EUI-64.
Definition: eui64.h:55
Definition and IPv6 IID conversion for IEEE EUI-48 identifiers.