IPv4

Internet Protocol Version 4. More...

Functions
syscall	dot2ipv4 (const char *str, struct netaddr *ip)
syscall	ipv4Recv (struct packet *pkt)
syscall	ipv4Send (struct packet *pkt, struct netaddr *src, struct netaddr *dst, uchar proto)

Detailed Description

Internet Protocol Version 4.

Function Documentation

syscall dot2ipv4	(	const char *	str,
		struct netaddr *	ip
	)

Convert an IPv4 address in dotted-decimal notation into a netaddr.

Parameters

str	The dotted-decimal IPv4 address string to convert.
ip	The netaddr structure for conversion result.

Returns

::OK if conversion was successful, otherwise ::SYSERR.

syscall ipv4Recv

(

struct packet *

pkt

)

Process an incoming IPv4 packet.

Parameters

pkt	pointer to the incoming packet

Returns

OK if packet was processed succesfully, otherwise SYSERR

syscall ipv4Send	(	struct packet *	pkt,
		struct netaddr *	src,
		struct netaddr *	dst,
		uchar	proto
	)

file ipv4Send.c

Send an outgoing IPv4 packet.

Parameters

packet	packet being sent
src	source IP address
dst	destination IP address
proto	the protocol of the ip pkt

Returns

OK if packet was sent, TIMEOUT if ARP request timed out, IPv4_NO_INTERFACE if interface does not exist, IPv4_NO_HOP if next hop is unknown, SYSERR otherwise.