You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
119 lines
3.4 KiB
119 lines
3.4 KiB
/*
|
|
* section and descriptor parser
|
|
*
|
|
* Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
|
|
* Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
|
|
* Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr)
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#ifndef _UCSI_DVB_TARGET_IPV6_SOURCE_SLASH_DESCRIPTOR
|
|
#define _UCSI_DVB_TARGET_IPV6_SOURCE_SLASH_DESCRIPTOR 1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
#include <libucsi/descriptor.h>
|
|
#include <libucsi/types.h>
|
|
|
|
/**
|
|
* dvb_target_ipv6_source_slash_descriptor structure.
|
|
*/
|
|
struct dvb_target_ipv6_source_slash_descriptor {
|
|
struct descriptor d;
|
|
|
|
/* struct dvb_ipv6_source_slash ipv6_source_slash[] */
|
|
} __ucsi_packed;
|
|
|
|
/**
|
|
* An entry in the ipv6_source_slash field of a dvb_target_ipv6_source_slash_descriptor.
|
|
*/
|
|
struct dvb_ipv6_source_slash {
|
|
uint8_t ipv6_source_addr[16];
|
|
uint8_t ipv6_source_slash;
|
|
uint8_t ipv6_dest_addr[16];
|
|
uint8_t ipv6_dest_slash;
|
|
} __ucsi_packed;
|
|
|
|
/**
|
|
* Process a dvb_target_ipv6_source_slash_descriptor.
|
|
*
|
|
* @param d Generic descriptor structure pointer.
|
|
* @return dvb_target_ipv6_source_slash_descriptor pointer, or NULL on error.
|
|
*/
|
|
static inline struct dvb_target_ipv6_source_slash_descriptor*
|
|
dvb_target_ipv6_source_slash_descriptor_codec(struct descriptor* d)
|
|
{
|
|
uint32_t len = d->len;
|
|
|
|
if (len % sizeof(struct dvb_ipv6_source_slash))
|
|
return NULL;
|
|
|
|
return (struct dvb_target_ipv6_source_slash_descriptor*) d;
|
|
}
|
|
|
|
/**
|
|
* Iterator for entries in the ipv6_source_slash field of a dvb_target_ipv6_source_slash_descriptor.
|
|
*
|
|
* @param d dvb_target_ipv6_source_slash_descriptor pointer.
|
|
* @param pos Variable containing a pointer to the current dvb_ipv6_source_slash.
|
|
*/
|
|
#define dvb_target_ipv6_source_slash_descriptor_ipv6_source_slash_for_each(d, pos) \
|
|
for ((pos) = dvb_target_ipv6_source_slash_descriptor_ipv6_source_slash_first(d); \
|
|
(pos); \
|
|
(pos) = dvb_target_ipv6_source_slash_descriptor_ipv6_source_slash_next(d, pos))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/******************************** PRIVATE CODE ********************************/
|
|
static inline struct dvb_ipv6_source_slash*
|
|
dvb_target_ipv6_source_slash_descriptor_ipv6_source_slash_first(struct dvb_target_ipv6_source_slash_descriptor *d)
|
|
{
|
|
if (d->d.len == 0)
|
|
return NULL;
|
|
|
|
return (struct dvb_ipv6_source_slash *)
|
|
((uint8_t*) d + sizeof(struct dvb_target_ipv6_source_slash_descriptor));
|
|
}
|
|
|
|
static inline struct dvb_ipv6_source_slash*
|
|
dvb_target_ipv6_source_slash_descriptor_ipv6_source_slash_next(struct dvb_target_ipv6_source_slash_descriptor *d,
|
|
struct dvb_ipv6_source_slash *pos)
|
|
{
|
|
uint8_t *end = (uint8_t*) d + 2 + d->d.len;
|
|
uint8_t *next = (uint8_t *) pos + sizeof(struct dvb_ipv6_source_slash);
|
|
|
|
if (next >= end)
|
|
return NULL;
|
|
|
|
return (struct dvb_ipv6_source_slash *) next;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|