ICMPv6 echo request and reply. More...

Detailed Description

ICMPv6 echo request and reply.

Files
file	echo.h
	ICMPv6 echo message definitions.

Functions
gnrc_pktsnip_t *	gnrc_icmpv6_echo_build (uint8_t type, uint16_t id, uint16_t seq, uint8_t *data, size_t data_len)
	Builds an ICMPv6 echo message of type `type` for sending. More...

void	gnrc_icmpv6_echo_req_handle (gnrc_netif_t netif, ipv6_hdr_t ipv6_hdr, icmpv6_echo_t *echo, uint16_t len)
	ICMPv6 echo request handler. More...

Function Documentation

gnrc_pktsnip_t* gnrc_icmpv6_echo_build	(	uint8_t	type,
		uint16_t	id,
		uint16_t	seq,
		uint8_t *	data,
		size_t	data_len
	)

Builds an ICMPv6 echo message of type type for sending.

Parameters

[in]	type	Type of the echo message. Expected to be either ICMPV6_ECHO_REQ or ICMPV6_ECHO_REP.
[in]	id	ID for the echo message in host byte-order
[in]	seq	Sequence number for the echo message in host byte-order
[in]	data	Payload for the echo message
[in]	data_len	Length of `data`

void gnrc_icmpv6_echo_req_handle	(	gnrc_netif_t *	netif,
		ipv6_hdr_t *	ipv6_hdr,
		icmpv6_echo_t *	echo,
		uint16_t	len
	)

ICMPv6 echo request handler.

Parameters

[in]	netif	The interface the echo request was received on.
[in]	ipv6_hdr	The IPv6 header of the echo request.
[in]	echo	The Echo Request message.
[in]	len	Length of the echo request message (ipv6_hdr_t::len of `ipv6_hdr` minus length of extension headers).