IPv6 header compression (IPHC)

IPv6 header compression for 6LoWPAN. More...

Detailed Description

IPv6 header compression for 6LoWPAN.

Files
file	iphc.h
	6LoWPAN IPHC definitions

Functions
void	gnrc_sixlowpan_iphc_recv (gnrc_pktsnip_t *pkt, void *ctx, unsigned page)
	Decompresses a received 6LoWPAN IPHC frame.
void	gnrc_sixlowpan_iphc_send (gnrc_pktsnip_t *pkt, void *ctx, unsigned page)
	Compresses a 6LoWPAN for IPHC.

Function Documentation

gnrc_sixlowpan_iphc_recv()

void gnrc_sixlowpan_iphc_recv	(	gnrc_pktsnip_t *	pkt,
		void *	ctx,
		unsigned	page
	)

Decompresses a received 6LoWPAN IPHC frame.

Precondition

(pkt != NULL)

Parameters

[in]	pkt	A received 6LoWPAN IPHC frame. The first snip is to be expected to start with the IPHC dispatch.
[in,out]	ctx	Context for the packet. May be NULL. If not NULL it is expected to be of type gnrc_sixlowpan_frag_rb_t. This function might change the content of that.
[in]	page	Current 6Lo dispatch parsing page.

gnrc_sixlowpan_iphc_send()

void gnrc_sixlowpan_iphc_send	(	gnrc_pktsnip_t *	pkt,
		void *	ctx,
		unsigned	page
	)

Compresses a 6LoWPAN for IPHC.

Precondition

(pkt != NULL)

Parameters

[in]	pkt	A 6LoWPAN frame with an uncompressed IPv6 header to send. Will be translated to an 6LoWPAN IPHC frame.
[in]	ctx	Context for the packet. May be NULL. If not NULL it is expected to be of type gnrc_sixlowpan_frag_fb_t to provide initial information for possible fragmentation after compression (see net_gnrc_sixlowpan_frag_hint). This function might change the content of that. Depending on the compile configuration it might be ignored completely.
[in]	page	Current 6Lo dispatch parsing page.