ICMPv6 Handling
[IP Core Functions]

Collaboration diagram for ICMPv6 Handling:

Data Structures
struct	fip_icmp6_echoRequest_t
	ICMPv6 Echo Request. More...
struct	fip_icmp6_error_t
	ICMPv6 Error Message. More...
Modules
	ND Data Structure Access
	Neighbour Discovery (RFC4861)
Files
file	fip_icmp6.c
	ICMPv6 Functions.
Functions
_PACKEND void	fip_icmp6_process (void)
	The ICMPv6 Input Function.
void	fip_icmp6_finalize (void)
	Finalize ICMPv6 Packets by calculating the checksum, setting the IPv6 lengths correctly, and marking the packet as ready to send.
void	fip_icmp6_generateError (uint8_t type, uint8_t code, uint32_t parameter)
	Generate an ICMPv6 Error Message based on the packet in the current buffer.
void	fip_icmp6_generateEchoRequest (fip_ifnum_t ifnum, fip_ip6addr_t *destAddr, unsigned int length)
	Generate an ICMPv6 Echo Request (ping) to a remote host.

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Function Documentation

void fip_icmp6_finalize

(

void

)

Finalize ICMPv6 Packets by calculating the checksum, setting the IPv6 lengths correctly, and marking the packet as ready to send.

Parameters:

upperLength

Length of the ICMPv6 Payload.

References fip_ipUtils_checksum_pseudo6hdr(), fip_ipUtils_checksum_tl(), fip_packet_getBufSizes(), fip_packet_setAttr, fip_packet_setToICMP6Hdr_Checksum, fip_packet_setToIP6Hdr_length, fip_packet_setToIP6Hdr_nextHeader, and PS_SEND.

Referenced by fip_icmp6_generateEchoRequest(), fip_icmp6_generateError(), fip_icmp6_process(), fip_nd6_generateNA(), fip_nd6_generateNS(), fip_nd6_generateRA(), and fip_nd6_generateRS().

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void fip_icmp6_generateEchoRequest	(	fip_ifnum_t	ifnum,
		fip_ip6addr_t *	destAddr,
		unsigned int	length
	)

Generate an ICMPv6 Echo Request (ping) to a remote host.

Parameters:

	ifnum	Interface to send ping on
	destAddr	Destination IPv6 address to send to
	length	Length of data to send in ping

References fip_ip6addr_t::addr, fip_icmp6_echoRequest_t::checksum, fip_icmp6_echoRequest_t::code, fip_icmp6_echoRequest_t::data, fip_hostInterface_getMiliSeconds32(), fip_icmp6_finalize(), fip_if6_selectSrcAddress(), fip_packet_activeNew(), fip_packet_copyToIP6Hdr_destAddr(), fip_packet_getBufPtr, fip_packet_setBufSize, fip_packet_setToIP6Hdr_hopLimit, fip_packet_setToIP6Hdr_nextHeader, fip_icmp6_echoRequest_t::identifier, RV_OK, fip_icmp6_echoRequest_t::sequenceNumber, and fip_icmp6_echoRequest_t::type.

Referenced by fip_console_ping6().

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void fip_icmp6_generateError	(	uint8_t	type,
		uint8_t	code,
		uint32_t	parameter
	)

Generate an ICMPv6 Error Message based on the packet in the current buffer.

Parameters:

	type	Message Type
	code	Message Code
	parameter	Parameter for error

References fip_icmp6_error_t::checksum, fip_icmp6_error_t::code, fip_icmp6_finalize(), fip_if6_selectSrcAddress(), fip_packet_activeDrop(), fip_packet_activeResponsePacket(), fip_packet_getBufPtr, fip_packet_setBufSize, fip_packet_setToIP6Hdr_hopLimit, fip_packet_setToIP6Hdr_nextHeader, fip_icmp6_error_t::parameter, RV_OK, and fip_icmp6_error_t::type.

Referenced by fip_ip_process(), fip_route6_process(), and fip_task().

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_PACKEND void fip_icmp6_process

(

void

)

The ICMPv6 Input Function.

Handles all required ICMPv6 input information.

References fip_ip6addr_t::addr, fip_icmp6_echoRequest_t::data, fip_hostInterface_getMiliSeconds32(), fip_icmp6_finalize(), fip_ip6addr_cpy, fip_ipUtils_checksum_pseudo6hdr(), fip_ipUtils_checksum_tl(), fip_nd6_process(), fip_packet_activeDrop(), fip_packet_getBufPtr, fip_packet_getBufSize, fip_packet_getFromICMP6Hdr_Type, fip_packet_getFromIP6Hdr_destPtr, fip_packet_getFromIP6Hdr_srcPtr, fip_packet_resetAddrFlags, fip_packet_setAttr, fip_packet_setBufSize, fip_packet_setToICMP6Hdr_Type, PS_SEND, RV_OK, and TRACE.

Referenced by fip_ip_process().

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