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134 lines
3.0 KiB
C
134 lines
3.0 KiB
C
/*
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* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for
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* more details.
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*/
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/**
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* @defgroup net_gnrc_ipv6 IPv6
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* @ingroup net_gnrc
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* @brief GNRC's IPv6 implementation
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*
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* The IPv6 control thread understands messages of type
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*
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* * @ref GNRC_NETAPI_MSG_TYPE_RCV, and
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* * @ref GNRC_NETAPI_MSG_TYPE_SND,
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*
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* @{
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*
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* @file
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* @brief Definitions for GNRC's IPv6 implementation
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*
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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*/
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#ifndef GNRC_IPV6_H_
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#define GNRC_IPV6_H_
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#include "kernel_types.h"
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#include "net/gnrc.h"
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#include "thread.h"
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#include "net/ipv6.h"
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#include "net/gnrc/ipv6/ext.h"
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#include "net/gnrc/ipv6/hdr.h"
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#include "net/gnrc/ipv6/nc.h"
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#include "net/gnrc/ipv6/netif.h"
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#ifdef MODULE_FIB
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#include "net/fib.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Default stack size to use for the IPv6 thread
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*/
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#ifndef GNRC_IPV6_STACK_SIZE
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#define GNRC_IPV6_STACK_SIZE (THREAD_STACKSIZE_DEFAULT)
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#endif
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/**
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* @brief Default priority for the IPv6 thread
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*/
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#ifndef GNRC_IPV6_PRIO
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#define GNRC_IPV6_PRIO (THREAD_PRIORITY_MAIN - 3)
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#endif
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/**
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* @brief Default message queue size to use for the IPv6 thread.
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*/
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#ifndef GNRC_IPV6_MSG_QUEUE_SIZE
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#define GNRC_IPV6_MSG_QUEUE_SIZE (8U)
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#endif
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/**
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* @brief The PID to the IPv6 thread.
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*
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* @note Use @ref gnrc_ipv6_init() to initialize. **Do not set by hand**.
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*
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* @details This variable is preferred for IPv6 internal communication *only*.
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* Please use @ref net_gnrc_netreg for external communication.
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*/
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extern kernel_pid_t gnrc_ipv6_pid;
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#ifdef MODULE_FIB
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/**
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* @brief Maximum number of entries in the IPv6 FIB table.
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*/
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#ifndef GNRC_IPV6_FIB_TABLE_SIZE
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# ifdef MODULE_GNRC_RPL
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# define GNRC_IPV6_FIB_TABLE_SIZE (20)
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# else
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# define GNRC_IPV6_FIB_TABLE_SIZE (5)
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# endif
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#endif
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/**
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* @brief The forwarding information base (FIB) for the IPv6 stack.
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*
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* @see @ref net_fib
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*/
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extern fib_table_t gnrc_ipv6_fib_table;
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#endif
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/**
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* @brief Initialization of the IPv6 thread.
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*
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* @return The PID to the IPv6 thread, on success.
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* @return a negative errno on error.
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* @return -EOVERFLOW, if there are too many threads running already
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* @return -EEXIST, if IPv6 was already initialized.
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*/
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kernel_pid_t gnrc_ipv6_init(void);
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/**
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* @brief Demultiplexes a packet according to @p nh.
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*
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* @internal
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*
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* **Do not use outside this module or its submodules!!!**
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* Public access needed for Extension Headers.
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*
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* @param[in] iface The receiving interface.
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* @param[in] pkt A packet.
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* @param[in] nh A protocol number (see @ref net_protnum).
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*/
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void gnrc_ipv6_demux(kernel_pid_t iface, gnrc_pktsnip_t *pkt, uint8_t nh);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GNRC_IPV6_H_ */
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/**
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* @}
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*/
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