Detailed Description

Files
file	conf.h
	Configuration macros for Network interface API.

Macros
#define	GNRC_NETIF_PRIO (THREAD_PRIORITY_MAIN - 5)
	Default priority for network interface threads.

#define	CONFIG_GNRC_NETIF_MSG_QUEUE_SIZE_EXP (4U)
	Default message queue size for network interface threads (as exponent of 2^n). More...

#define	CONFIG_GNRC_NETIF_PKTQ_POOL_SIZE (16U)
	Packet queue pool size for all network interfaces. More...

#define	CONFIG_GNRC_NETIF_PKTQ_TIMER_US (5000U)
	Time in microseconds for when to try send a queued packet at the latest. More...

#define	GNRC_NETIF_RPL_ADDR (0)
	Number of multicast addresses needed for RPL. More...

#define	GNRC_NETIF_IPV6_RTR_ADDR (0)
	Number of multicast addresses needed for a IPv6 router. More...

#define	CONFIG_GNRC_NETIF_IPV6_ADDRS_NUMOF (2)
	Maximum number of unicast and anycast addresses per interface. More...

#define	GNRC_NETIF_IPV6_GROUPS_NUMOF
	Maximum number of multicast groups per interface. More...

#define	GNRC_NETIF_L2ADDR_MAXLEN (CONFIG_GNRC_IPV6_NIB_L2ADDR_MAX_LEN)
	Maximum length of the link-layer address. More...

#define	CONFIG_GNRC_NETIF_DEFAULT_HL (64U)
	default hop limit

#define	CONFIG_GNRC_NETIF_MIN_WAIT_AFTER_SEND_US (0U)
	Minimum wait time in microseconds after a send operation. More...

Macro Definition Documentation

◆ CONFIG_GNRC_NETIF_IPV6_ADDRS_NUMOF

#define CONFIG_GNRC_NETIF_IPV6_ADDRS_NUMOF (2)

Maximum number of unicast and anycast addresses per interface.

Note: If you change this, please make sure that GNRC_NETIF_IPV6_GROUPS_NUMOF is also large enough to fit the addresses' solicited nodes multicast addresses.

Default: 2 (1 link-local + 1 global address)

Definition at line 114 of file conf.h.

◆ CONFIG_GNRC_NETIF_MIN_WAIT_AFTER_SEND_US

#define CONFIG_GNRC_NETIF_MIN_WAIT_AFTER_SEND_US (0U)

Minimum wait time in microseconds after a send operation.

Warning: This feature is experimental!
This is purely meant as a debugging feature to slow down a radios sending.

Definition at line 169 of file conf.h.

◆ CONFIG_GNRC_NETIF_MSG_QUEUE_SIZE_EXP

#define CONFIG_GNRC_NETIF_MSG_QUEUE_SIZE_EXP (4U)

Default message queue size for network interface threads (as exponent of 2^n).

As the queue size ALWAYS needs to be power of two, this option represents the exponent of 2^n, which will be used as the size of the queue.

Attention: This has influence on the used stack memory of the thread, so the thread's stack size might need to be adapted if this is changed.

Definition at line 54 of file conf.h.

◆ CONFIG_GNRC_NETIF_PKTQ_POOL_SIZE

#define CONFIG_GNRC_NETIF_PKTQ_POOL_SIZE (16U)

Packet queue pool size for all network interfaces.

Note: With 6LoWPAN Fragmentation the queue should fit at least all fragments of the minimum MTU.

See also: Send queue for @ref net_gnrc_netif

Definition at line 65 of file conf.h.

◆ CONFIG_GNRC_NETIF_PKTQ_TIMER_US

#define CONFIG_GNRC_NETIF_PKTQ_TIMER_US (5000U)

Time in microseconds for when to try send a queued packet at the latest.

Set to -1 to deactivate dequeing by timer. For this it has to be ensured that none of the notifications by the driver are missed!

See also: Send queue for @ref net_gnrc_netif

Definition at line 78 of file conf.h.

◆ GNRC_NETIF_IPV6_GROUPS_NUMOF

#define GNRC_NETIF_IPV6_GROUPS_NUMOF

Value:

                                        (CONFIG_GNRC_NETIF_IPV6_ADDRS_NUMOF + \
                                        GNRC_NETIF_RPL_ADDR + \
                                        GNRC_NETIF_IPV6_RTR_ADDR + 1)

Maximum number of multicast groups per interface.

Default: 3 (all-nodes + solicited-nodes of link-local and global unicast address) + GNRC_NETIF_RPL_ADDR + GNRC_NETIF_IPV6_RTR_ADDR

Definition at line 124 of file conf.h.

◆ GNRC_NETIF_IPV6_RTR_ADDR

#define GNRC_NETIF_IPV6_RTR_ADDR (0)

Number of multicast addresses needed for a IPv6 router.

Note: Used for calculation of GNRC_NETIF_IPV6_GROUPS_NUMOF

Definition at line 101 of file conf.h.

◆ GNRC_NETIF_L2ADDR_MAXLEN

#define GNRC_NETIF_L2ADDR_MAXLEN (CONFIG_GNRC_IPV6_NIB_L2ADDR_MAX_LEN)

Maximum length of the link-layer address.

The value for the maximum length of a link-layer address is dependent on the netdev adapters compiled in:

Setting it via CFLAGS has the most precedence.
The default is 8.
1, if only CC1100/CC1100e/CC1101 Sub-GHz transceiver driver devices are compiled in.
ETHERNET_ADDR_LEN, if additionally (or only) ethernet devices are compiled in.
IEEE802154_LONG_ADDRESS_LEN, if additionally (or only) IEEE802.15.4 devices are compiled in.

Note: Implementers note: From longest to shortest extend, if new link-layer address types are included

Definition at line 153 of file conf.h.

◆ GNRC_NETIF_RPL_ADDR

#define GNRC_NETIF_RPL_ADDR (0)

Number of multicast addresses needed for RPL.

Note: Used for calculation of GNRC_NETIF_IPV6_GROUPS_NUMOF

Definition at line 89 of file conf.h.