d_tcp_opts_list.c File Reference

Handle the list of TCP options for the TCP decompression profile. More...

#include "d_tcp_opts_list.h"
#include "d_tcp_defines.h"
#include "protocols/tcp.h"
#include "rohc_bit_ops.h"
#include "rohc_utils.h"
#include "schemes/tcp_sack.h"
#include "config.h"
#include <string.h>

Include dependency graph for d_tcp_opts_list.c:

Data Structures
struct	d_tcp_opt_index
struct	d_tcp_opt
Functions
static int	d_tcp_opt_list_parse_indexes (const struct rohc_decomp_ctxt *const context, const uint8_t ps, const uint8_t m, const uint8_t *const indexes, const size_t indexes_max_len, const bool want_all_items_present, struct d_tcp_opt_index opt_indexes[ROHC_TCP_OPTS_MAX])
static int	d_tcp_opt_list_parse_items (const struct rohc_decomp_ctxt *const context, const bool is_dynamic_chain, const uint8_t m, const struct d_tcp_opt_index opt_indexes[ROHC_TCP_OPTS_MAX], const uint8_t *const items, const size_t items_max_len, struct d_tcp_opts_ctxt *const tcp_opts)
static int	d_tcp_opt_list_parse_item (const struct rohc_decomp_ctxt *const context, const bool is_dynamic_chain, const struct d_tcp_opt_index opt_index, const uint8_t *const item, const size_t item_max_len, struct d_tcp_opt_ctxt opts_bits[MAX_TCP_OPTION_INDEX+1])
static size_t	d_tcp_opt_list_get_index_len (const uint8_t ps)
static size_t	d_tcp_opt_list_get_indexes_len (const uint8_t ps, const uint8_t m)
static bool	tcp_opt_is_well_known (const uint8_t idx)
	Is the TCP option index a well-known index in the TCP profile.
static int	d_tcp_parse_nop_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, struct d_tcp_opt_ctxt *const opt_ctxt)
static int	d_tcp_parse_nop_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, const uint8_t opt_index, struct d_tcp_opt_ctxt *const opt_ctxt)
static bool	d_tcp_build_nop (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, const struct d_tcp_opt_ctxt *const tcp_opt, struct rohc_buf *const uncomp_packet, size_t *const opt_len)
static int	d_tcp_parse_eol_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, struct d_tcp_opt_ctxt *const opt_ctxt)
static int	d_tcp_parse_eol_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, const uint8_t opt_index, struct d_tcp_opt_ctxt *const opt_ctxt)
static bool	d_tcp_build_eol (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, const struct d_tcp_opt_ctxt *const tcp_opt, struct rohc_buf *const uncomp_packet, size_t *const opt_len)
static int	d_tcp_parse_mss_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, struct d_tcp_opt_ctxt *const opt_ctxt)
static int	d_tcp_parse_mss_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, const uint8_t opt_index, struct d_tcp_opt_ctxt *const opt_ctxt)
static bool	d_tcp_build_mss (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, const struct d_tcp_opt_ctxt *const tcp_opt, struct rohc_buf *const uncomp_packet, size_t *const opt_len)
static int	d_tcp_parse_ws_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, struct d_tcp_opt_ctxt *const opt_ctxt)
static int	d_tcp_parse_ws_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, const uint8_t opt_index, struct d_tcp_opt_ctxt *const opt_ctxt)
static bool	d_tcp_build_ws (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, const struct d_tcp_opt_ctxt *const tcp_opt, struct rohc_buf *const uncomp_packet, size_t *const opt_len)
static int	d_tcp_parse_ts_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, struct d_tcp_opt_ctxt *const opt_ctxt)
static int	d_tcp_parse_ts_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, const uint8_t opt_index, struct d_tcp_opt_ctxt *const opt_ctxt)
static bool	d_tcp_build_ts (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, const struct d_tcp_opt_ctxt *const tcp_opt, struct rohc_buf *const uncomp_packet, size_t *const opt_len)
static int	d_tcp_parse_sack_perm_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, struct d_tcp_opt_ctxt *const opt_ctxt)
static int	d_tcp_parse_sack_perm_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, const uint8_t opt_index, struct d_tcp_opt_ctxt *const opt_ctxt)
static bool	d_tcp_build_sack_perm (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, const struct d_tcp_opt_ctxt *const tcp_opt, struct rohc_buf *const uncomp_packet, size_t *const opt_len)
static int	d_tcp_parse_sack_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, struct d_tcp_opt_ctxt *const opt_ctxt)
static int	d_tcp_parse_sack_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, const uint8_t opt_index, struct d_tcp_opt_ctxt *const opt_ctxt)
static bool	d_tcp_build_sack (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, const struct d_tcp_opt_ctxt *const tcp_opt, struct rohc_buf *const uncomp_packet, size_t *const opt_len)
static int	d_tcp_parse_generic_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, struct d_tcp_opt_ctxt *const opt_ctxt)
static int	d_tcp_parse_generic_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const data, const size_t data_len, const uint8_t opt_index, struct d_tcp_opt_ctxt *const opt_ctxt)
static bool	d_tcp_build_generic (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, const struct d_tcp_opt_ctxt *const tcp_opt, struct rohc_buf *const uncomp_packet, size_t *const opt_len)
int	d_tcp_parse_tcp_opts_list_item (const struct rohc_decomp_ctxt *const context, const uint8_t *const rohc_packet, const size_t rohc_length, const bool is_dynamic_chain, struct d_tcp_opts_ctxt *const tcp_opts)
int	d_tcp_parse_tcp_opts_irreg (const struct rohc_decomp_ctxt *const context, const uint8_t *const rohc_packet, const size_t rohc_length, struct d_tcp_opts_ctxt *const tcp_opts)
bool	d_tcp_build_tcp_opts (const struct rohc_decomp_ctxt *const context, const struct rohc_tcp_decoded_values *const decoded, struct rohc_buf *const uncomp_packet, size_t *const opts_len)
Variables
static struct d_tcp_opt	d_tcp_opts [MAX_TCP_OPTION_INDEX+1]

---

Detailed Description

Handle the list of TCP options for the TCP decompression profile.

Author:

FWX <rohc_team@dialine.fr>

Didier Barvaux <didier@barvaux.org>

Didier Barvaux <didier.barvaux@toulouse.viveris.com>

---

Function Documentation

static bool d_tcp_build_eol	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		const struct d_tcp_opt_ctxt *const	tcp_opt,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opt_len
	)			[static]

static bool d_tcp_build_generic	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		const struct d_tcp_opt_ctxt *const	tcp_opt,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opt_len
	)			[static]

static bool d_tcp_build_mss	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		const struct d_tcp_opt_ctxt *const	tcp_opt,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opt_len
	)			[static]

static bool d_tcp_build_nop	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		const struct d_tcp_opt_ctxt *const	tcp_opt,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opt_len
	)			[static]

static bool d_tcp_build_sack	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		const struct d_tcp_opt_ctxt *const	tcp_opt,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opt_len
	)			[static]

static bool d_tcp_build_sack_perm	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		const struct d_tcp_opt_ctxt *const	tcp_opt,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opt_len
	)			[static]

bool d_tcp_build_tcp_opts	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opts_len
	)

static bool d_tcp_build_ts	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		const struct d_tcp_opt_ctxt *const	tcp_opt,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opt_len
	)			[static]

static bool d_tcp_build_ws	(	const struct rohc_decomp_ctxt *const	context,
		const struct rohc_tcp_decoded_values *const	decoded,
		const struct d_tcp_opt_ctxt *const	tcp_opt,
		struct rohc_buf *const	uncomp_packet,
		size_t *const	opt_len
	)			[static]

static size_t d_tcp_opt_list_get_index_len

(

const uint8_t

ps

)

[static]

static size_t d_tcp_opt_list_get_indexes_len	(	const uint8_t	ps,
		const uint8_t	m
	)			[static]

static int d_tcp_opt_list_parse_indexes	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t	ps,
		const uint8_t	m,
		const uint8_t *const	indexes,
		const size_t	indexes_max_len,
		const bool	want_all_items_present,
		struct d_tcp_opt_index	opt_indexes[ROHC_TCP_OPTS_MAX]
	)			[static]

static int d_tcp_opt_list_parse_item	(	const struct rohc_decomp_ctxt *const	context,
		const bool	is_dynamic_chain,
		const struct d_tcp_opt_index	opt_index,
		const uint8_t *const	item,
		const size_t	item_max_len,
		struct d_tcp_opt_ctxt	opts_bits[MAX_TCP_OPTION_INDEX+1]
	)			[static]

static int d_tcp_opt_list_parse_items	(	const struct rohc_decomp_ctxt *const	context,
		const bool	is_dynamic_chain,
		const uint8_t	m,
		const struct d_tcp_opt_index	opt_indexes[ROHC_TCP_OPTS_MAX],
		const uint8_t *const	items,
		const size_t	items_max_len,
		struct d_tcp_opts_ctxt *const	tcp_opts
	)			[static]

static int d_tcp_parse_eol_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		const uint8_t	opt_index,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_eol_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_generic_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		const uint8_t	opt_index,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_generic_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_mss_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		const uint8_t	opt_index,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_mss_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_nop_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		const uint8_t	opt_index,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_nop_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_sack_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		const uint8_t	opt_index,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_sack_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_sack_perm_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		const uint8_t	opt_index,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_sack_perm_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

int d_tcp_parse_tcp_opts_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	rohc_packet,
		const size_t	rohc_length,
		struct d_tcp_opts_ctxt *const	tcp_opts
	)

int d_tcp_parse_tcp_opts_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	rohc_packet,
		const size_t	rohc_length,
		const bool	is_dynamic_chain,
		struct d_tcp_opts_ctxt *const	tcp_opts
	)

static int d_tcp_parse_ts_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		const uint8_t	opt_index,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_ts_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_ws_irreg	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		const uint8_t	opt_index,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static int d_tcp_parse_ws_list_item	(	const struct rohc_decomp_ctxt *const	context,
		const uint8_t *const	data,
		const size_t	data_len,
		struct d_tcp_opt_ctxt *const	opt_ctxt
	)			[static]

static bool tcp_opt_is_well_known

(

const uint8_t

idx

)

[static]

Is the TCP option index a well-known index in the TCP profile.

Parameters:

idx

The index of the TCP option

Returns:

true if the index is a well-known index

---

Variable Documentation

struct d_tcp_opt d_tcp_opts[MAX_TCP_OPTION_INDEX+1] [static]