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/*
* Copyright (C) 2017 Freie Universitรคt Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup net_gnrc_netif2
* @{
*
* @file
* @brief IPv6 defintions for @ref net_gnrc_netif2
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef NET_GNRC_NETIF2_IPV6_H
#define NET_GNRC_NETIF2_IPV6_H
#include "evtimer_msg.h"
#include "net/ipv6/addr.h"
#ifdef MODULE_GNRC_IPV6_NIB
#include "net/gnrc/ipv6/nib/conf.h"
#endif
#include "net/gnrc/netif2/conf.h"
#ifdef MODULE_NETSTATS_IPV6
#include "net/netstats.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name IPv6 unicast and anycast address flags
* @anchor net_gnrc_netif2_ipv6_addrs_flags
* @{
*/
/**
* @brief Mask for the address' state
*/
#define GNRC_NETIF2_IPV6_ADDRS_FLAGS_STATE_MASK (0x1fU)
/**
* @brief Tentative states (with encoded DAD retransmissions)
*
* The retransmissions of DAD transmits can be decoded from this state by
* applying it as a mask to the [flags](gnrc_netif2_ipv6_t::addrs_flags) of the
* address.
*/
#define GNRC_NETIF2_IPV6_ADDRS_FLAGS_STATE_TENTATIVE (0x07U)
/**
* @brief Deprecated address state (still valid, but not preferred)
*/
#define GNRC_NETIF2_IPV6_ADDRS_FLAGS_STATE_DEPRECATED (0x08U)
/**
* @brief Valid address state
*/
#define GNRC_NETIF2_IPV6_ADDRS_FLAGS_STATE_VALID (0x10U)
/**
* @brief Address is an anycast address
*/
#define GNRC_NETIF2_IPV6_ADDRS_FLAGS_ANYCAST (0x20U)
/** @} */
/**
* @brief IPv6 component for @ref gnrc_netif2_t
*
* @note only available with @ref net_gnrc_ipv6.
*/
typedef struct {
/**
* @brief Flags for gnrc_netif2_t::ipv6_addrs
*
* @see net_gnrc_netif2_ipv6_addrs_flags
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
*/
uint8_t addrs_flags[GNRC_NETIF2_IPV6_ADDRS_NUMOF];
/**
* @brief IPv6 unicast and anycast addresses of the interface
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
*/
ipv6_addr_t addrs[GNRC_NETIF2_IPV6_ADDRS_NUMOF];
/**
* @brief IPv6 multicast groups of the interface
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
*/
ipv6_addr_t groups[GNRC_NETIF2_IPV6_GROUPS_NUMOF];
#ifdef MODULE_NETSTATS_IPV6
/**
* @brief IPv6 packet statistics
*
* @note Only available with module `netstats_ipv6`.
*/
netstats_t stats;
#endif
#if defined(MODULE_GNRC_IPV6_NIB) || DOXYGEN
#if GNRC_IPV6_NIB_CONF_ROUTER || DOXYGEN
/**
* @brief Route info callback
*
* This callback is called by the @ref net_gnrc_ipv6_nib "NIB" to inform
* the routing protocol about state changes, route usages, missing routes
* etc.
*
* The callback may be `NULL` if no such behavior is required by the routing
* protocol (or no routing protocol is present).
*
* @todo Define types (RRQ, RRN, NSC) in NIB
*
* @param[in] type Type of the route info.
* @param[in] ctx_addr Context address of the route info.
* @param[in] ctx Further context of the route info.
*/
void (*route_info_cb)(unsigned type, const ipv6_addr_t *ctx_addr,
const void *ctx);
/**
* @brief Event for @ref GNRC_IPV6_NIB_SND_MC_RA
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
* and @ref net_gnrc_ipv6_nib "NIB" and if
* @ref GNRC_IPV6_NIB_CONF_ROUTER != 0
*/
evtimer_msg_event_t snd_mc_ra;
#endif /* GNRC_IPV6_NIB_CONF_ROUTER */
#if GNRC_IPV6_NIB_CONF_ARSM || DOXYGEN
/**
* @brief Event for @ref GNRC_IPV6_NIB_RECALC_REACH_TIME
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
* and @ref net_gnrc_ipv6_nib "NIB" and if
* @ref GNRC_IPV6_NIB_CONF_ARSM != 0
*/
evtimer_msg_event_t recalc_reach_time;
#endif /* GNRC_IPV6_NIB_CONF_ARSM */
/**
* @brief Event for @ref GNRC_IPV6_NIB_SEARCH_RTR
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
* and @ref net_gnrc_ipv6_nib "NIB"
*/
evtimer_msg_event_t search_rtr;
#if GNRC_IPV6_NIB_CONF_ROUTER || DOXYGEN
/**
* @brief Timestamp in milliseconds of last unsolicited router
* advertisement
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
* and @ref net_gnrc_ipv6_nib "NIB" and if
* @ref GNRC_IPV6_NIB_CONF_ROUTER != 0
*/
uint32_t last_ra;
#endif /* GNRC_IPV6_NIB_CONF_ROUTER */
#if GNRC_IPV6_NIB_CONF_ARSM || defined(DOXYGEN)
/**
* @brief Base for random reachable time calculation and advertised
* reachable time in ms (if @ref GNRC_NETIF2_FLAGS_IPV6_RTR_ADV is
* set)
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
* and @ref net_gnrc_ipv6_nib "NIB" and if
* @ref GNRC_IPV6_NIB_CONF_ARSM != 0
*/
uint32_t reach_time_base;
/**
* @brief Reachable time (in ms)
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
* and @ref net_gnrc_ipv6_nib "NIB" and if
* @ref GNRC_IPV6_NIB_CONF_ARSM != 0
*/
uint32_t reach_time;
#endif /* GNRC_IPV6_NIB_CONF_ARSM */
/**
* @brief Retransmission time and advertised retransmission time (in ms)
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6" and
* @ref net_gnrc_ipv6_nib "NIB"
*/
uint32_t retrans_time;
#if GNRC_IPV6_NIB_CONF_ROUTER || DOXYGEN
/**
* @brief (Advertised) Router lifetime (default 1800).
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
* and @ref net_gnrc_ipv6_nib "NIB" and if
* @ref GNRC_IPV6_NIB_CONF_ROUTER != 0
*/
uint16_t rtr_ltime;
/**
* @brief number of unsolicited router advertisements sent
*
* This only counts up to the first @ref NDP_MAX_INIT_RA_NUMOF on interface
* initialization. The last @ref NDP_MAX_FIN_RA_NUMOF of an advertising
* interface are counted from UINT8_MAX - @ref NDP_MAX_FIN_RA_NUMOF + 1.
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
* and @ref net_gnrc_ipv6_nib "NIB" and if
* @ref GNRC_IPV6_NIB_CONF_ROUTER != 0
*/
uint8_t ra_sent;
#endif
#if GNRC_IPV6_NIB_CONF_6LN || DOXYGEN
/**
* @brief number of unsolicited router solicitations scheduled
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6" and
* @ref net_gnrc_ipv6_nib "NIB" and if
* @ref GNRC_IPV6_NIB_CONF_6LN != 0
*/
uint8_t rs_sent;
#endif
/**
* @brief number of unsolicited neighbor advertisements scheduled
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6" and
* @ref net_gnrc_ipv6_nib "NIB"
*/
uint8_t na_sent;
#endif /* MODULE_GNRC_IPV6_NIB */
/**
* @brief IPv6 auto-address configuration mode
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6"
*/
uint8_t aac_mode;
/**
* @brief Maximum transmission unit (MTU) for IPv6 packets
*
* @note Only available with module @ref net_gnrc_ipv6 "gnrc_ipv6".
*/
uint16_t mtu;
} gnrc_netif2_ipv6_t;
#ifdef __cplusplus
}
#endif
#endif /* NET_GNRC_NETIF2_IPV6_H */
/** @} */
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