integration of new uip6 code from Mathilde and Julien - adds routing and improved interface handling
This commit is contained in:
joxe
parent
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commit
fd3d6c44d0
15 changed files with 1558 additions and 2448 deletions
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@ -6,7 +6,7 @@
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/**
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* \file
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* IPv6 data structures handling functions
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* Comprises part of the Neighbor discovery (RFC 4861)
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* Comprises part of the Neighbor discovery (RFC 4861)
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* and auto configuration (RFC 4862 )state machines
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* \author Mathilde Durvy <mdurvy@cisco.com>
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* \author Julien Abeille <jabeille@cisco.com>
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@ -60,6 +60,7 @@
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struct etimer uip_ds6_timer_periodic; /** \brief Timer for maintenance of data structures */
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#if UIP_CONF_ROUTER
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struct stimer uip_ds6_timer_ra; /** \brief RA timer, to schedule RA sending */
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static uint8_t racount; /** \brief number of RA already sent */
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@ -71,54 +72,66 @@ static uint8_t rscount; /** \brief numbe
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/** \name "DS6" Data structures */
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/** @{ */
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uip_ds6_netif uip_ds6_if; /** \brief The single interface */
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uip_ds6_nbr uip_ds6_nbr_cache[UIP_DS6_NBR_NB]; /** \brief Neighor cache */
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uip_ds6_defrt uip_ds6_defrt_list[UIP_DS6_DEFRT_NB]; /** \brief Default rt list */
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uip_ds6_prefix uip_ds6_prefix_list[UIP_DS6_PREFIX_NB]; /** \brief Prefix list */
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uip_ds6_route uip_ds6_routing_table[UIP_DS6_ROUTE_NB]; /** \brief Routing table */
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uip_ds6_netif_t uip_ds6_if; /** \brief The single interface */
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uip_ds6_nbr_t uip_ds6_nbr_cache[UIP_DS6_NBR_NB]; /** \brief Neighor cache */
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uip_ds6_defrt_t uip_ds6_defrt_list[UIP_DS6_DEFRT_NB]; /** \brief Default rt list */
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uip_ds6_prefix_t uip_ds6_prefix_list[UIP_DS6_PREFIX_NB]; /** \brief Prefix list */
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uip_ds6_route_t uip_ds6_routing_table[UIP_DS6_ROUTE_NB]; /** \brief Routing table */
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/** @} */
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/* "full" (as opposed to pointer) ip address used in this file, */
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static uip_ipaddr_t loc_fipaddr;
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static uip_ipaddr_t loc_fipaddr;
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/* Pointers used in this file */
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static uip_ipaddr_t* locipaddr;
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static uip_ds6_addr* locaddr;
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static uip_ds6_maddr* locmaddr;
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static uip_ds6_aaddr* locaaddr;
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static uip_ds6_prefix* locprefix;
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static uip_ds6_nbr* locnbr;
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static uip_ds6_defrt* locdefrt;
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static uip_ds6_route* locroute;
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static uip_ipaddr_t *locipaddr;
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static uip_ds6_addr_t *locaddr;
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static uip_ds6_maddr_t *locmaddr;
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static uip_ds6_aaddr_t *locaaddr;
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static uip_ds6_prefix_t *locprefix;
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static uip_ds6_nbr_t *locnbr;
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static uip_ds6_defrt_t *locdefrt;
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static uip_ds6_route_t *locroute;
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/*---------------------------------------------------------------------------*/
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void
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uip_ds6_init(void) {
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uip_ds6_init(void)
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{
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PRINTF("Init of IPv6 data structures\n");
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PRINTF("%u neighbors\n%u default routers\n%u prefixes\n%u routes\n%u unicast addresses\n%u multicast addresses\n%u anycast addresses\n", UIP_DS6_NBR_NB, UIP_DS6_DEFRT_NB, UIP_DS6_PREFIX_NB, UIP_DS6_ROUTE_NB, UIP_DS6_ADDR_NB, UIP_DS6_MADDR_NB, UIP_DS6_AADDR_NB);
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for(locnbr = uip_ds6_nbr_cache; locnbr < uip_ds6_nbr_cache + UIP_DS6_NBR_NB; locnbr++) {
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PRINTF
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("%u neighbors\n%u default routers\n%u prefixes\n%u routes\n%u unicast addresses\n%u multicast addresses\n%u anycast addresses\n",
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UIP_DS6_NBR_NB, UIP_DS6_DEFRT_NB, UIP_DS6_PREFIX_NB, UIP_DS6_ROUTE_NB,
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UIP_DS6_ADDR_NB, UIP_DS6_MADDR_NB, UIP_DS6_AADDR_NB);
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for(locnbr = uip_ds6_nbr_cache; locnbr < uip_ds6_nbr_cache + UIP_DS6_NBR_NB;
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locnbr++) {
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locnbr->isused = 0;
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}
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for(locdefrt = uip_ds6_defrt_list; locdefrt < uip_ds6_defrt_list + UIP_DS6_DEFRT_NB; locdefrt++) {
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for(locdefrt = uip_ds6_defrt_list;
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locdefrt < uip_ds6_defrt_list + UIP_DS6_DEFRT_NB; locdefrt++) {
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locdefrt->isused = 0;
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}
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for(locprefix = uip_ds6_prefix_list; locprefix < uip_ds6_prefix_list + UIP_DS6_PREFIX_NB; locprefix++) {
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for(locprefix = uip_ds6_prefix_list;
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locprefix < uip_ds6_prefix_list + UIP_DS6_PREFIX_NB; locprefix++) {
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locprefix->isused = 0;
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}
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for(locaddr = uip_ds6_if.addr_list; locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
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for(locaddr = uip_ds6_if.addr_list;
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locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
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locaddr->isused = 0;
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}
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for(locmaddr = uip_ds6_if.maddr_list; locmaddr < uip_ds6_if.maddr_list + UIP_DS6_MADDR_NB; locmaddr++) {
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for(locmaddr = uip_ds6_if.maddr_list;
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locmaddr < uip_ds6_if.maddr_list + UIP_DS6_MADDR_NB; locmaddr++) {
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locmaddr->isused = 0;
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}
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for(locaaddr = uip_ds6_if.aaddr_list; locaaddr < uip_ds6_if.aaddr_list + UIP_DS6_AADDR_NB; locaaddr++) {
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for(locaaddr = uip_ds6_if.aaddr_list;
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locaaddr < uip_ds6_if.aaddr_list + UIP_DS6_AADDR_NB; locaaddr++) {
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locaaddr->isused = 0;
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}
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for(locroute = uip_ds6_routing_table; locroute < uip_ds6_routing_table + UIP_DS6_ROUTE_NB; locroute++) {
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for(locroute = uip_ds6_routing_table;
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locroute < uip_ds6_routing_table + UIP_DS6_ROUTE_NB; locroute++) {
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locroute->isused = 0;
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}
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/* Set interface parameters */
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/* Set interface parameters */
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uip_ds6_if.link_mtu = UIP_LINK_MTU;
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uip_ds6_if.cur_hop_limit = UIP_TTL;
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uip_ds6_if.base_reachable_time = UIP_ND6_REACHABLE_TIME;
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@ -142,10 +155,12 @@ uip_ds6_init(void) {
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uip_create_linklocal_allrouters_mcast(&loc_fipaddr);
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uip_ds6_maddr_add(&loc_fipaddr);
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#if UIP_ND6_SEND_RA
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stimer_set(&uip_ds6_timer_ra, 2); /* wait to have a link local IP address */
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stimer_set(&uip_ds6_timer_ra, 2); /* wait to have a link local IP address */
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#endif /* UIP_ND6_SEND_RA */
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#else /* UIP_CONF_ROUTER */
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etimer_set(&uip_ds6_timer_rs, random_rand()%(UIP_ND6_MAX_RTR_SOLICITATION_DELAY * CLOCK_SECOND));
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etimer_set(&uip_ds6_timer_rs,
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random_rand() % (UIP_ND6_MAX_RTR_SOLICITATION_DELAY *
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CLOCK_SECOND));
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#endif /* UIP_CONF_ROUTER */
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etimer_set(&uip_ds6_timer_periodic, UIP_DS6_PERIOD);
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@ -155,85 +170,89 @@ uip_ds6_init(void) {
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/*---------------------------------------------------------------------------*/
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void
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uip_ds6_periodic(void) {
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uip_ds6_periodic(void)
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{
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/* Periodic processing on unicast addresses */
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for(locaddr = uip_ds6_if.addr_list; locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
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if(locaddr->isused) {
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for(locaddr = uip_ds6_if.addr_list;
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locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
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if(locaddr->isused) {
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if((!locaddr->isinfinite) && (stimer_expired(&locaddr->vlifetime))) {
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uip_ds6_addr_rm(locaddr);
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} else if ((locaddr->state == ADDR_TENTATIVE) && (locaddr->dadnscount <= uip_ds6_if.maxdadns) && (timer_expired(&locaddr->dadtimer))) {
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} else if((locaddr->state == ADDR_TENTATIVE)
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&& (locaddr->dadnscount <= uip_ds6_if.maxdadns)
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&& (timer_expired(&locaddr->dadtimer))) {
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uip_ds6_dad(locaddr);
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}
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}
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}
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/* Periodic processing on default routers */
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for(locdefrt = uip_ds6_defrt_list; locdefrt < uip_ds6_defrt_list + UIP_DS6_DEFRT_NB; locdefrt++) {
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for(locdefrt = uip_ds6_defrt_list;
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locdefrt < uip_ds6_defrt_list + UIP_DS6_DEFRT_NB; locdefrt++) {
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if((locdefrt->isused) && (stimer_expired(&(locdefrt->lifetime)))) {
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uip_ds6_defrt_rm(locdefrt);
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uip_ds6_defrt_rm(locdefrt);
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}
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}
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#if !UIP_CONF_ROUTER
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/* Periodic processing on prefixes */
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for(locprefix = uip_ds6_prefix_list; locprefix < uip_ds6_prefix_list + UIP_DS6_PREFIX_NB; locprefix++) {
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if((locprefix->isused) &&
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(!locprefix->isinfinite) &&
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(stimer_expired(&(locprefix->vlifetime)))) {
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for(locprefix = uip_ds6_prefix_list;
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locprefix < uip_ds6_prefix_list + UIP_DS6_PREFIX_NB; locprefix++) {
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if((locprefix->isused) && (!locprefix->isinfinite)
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&& (stimer_expired(&(locprefix->vlifetime)))) {
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uip_ds6_prefix_rm(locprefix);
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}
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}
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#endif /* !UIP_CONF_ROUTER */
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/* Periodic processing on neighbors */
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for(locnbr = uip_ds6_nbr_cache; locnbr < uip_ds6_nbr_cache + UIP_DS6_NBR_NB; locnbr++) {
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for(locnbr = uip_ds6_nbr_cache; locnbr < uip_ds6_nbr_cache + UIP_DS6_NBR_NB;
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locnbr++) {
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if(locnbr->isused) {
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switch (locnbr->state) {
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case NBR_INCOMPLETE:
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if(locnbr->nscount >= UIP_ND6_MAX_MULTICAST_SOLICIT) {
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uip_ds6_nbr_rm(locnbr);
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case NBR_INCOMPLETE:
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if(locnbr->nscount >= UIP_ND6_MAX_MULTICAST_SOLICIT) {
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uip_ds6_nbr_rm(locnbr);
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} else if(stimer_expired(&(locnbr->sendns))) {
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locnbr->nscount++;
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PRINTF("NBR_INCOMPLETE: NS %u\n", locnbr->nscount);
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uip_nd6_ns_output(NULL, NULL, &locnbr->ipaddr);
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stimer_set(&(locnbr->sendns), uip_ds6_if.retrans_timer / 1000);
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}
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break;
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case NBR_REACHABLE:
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if(stimer_expired(&(locnbr->reachable))) {
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PRINTF("REACHABLE: moving to STALE (");
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PRINT6ADDR(&locnbr->ipaddr);
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PRINTF(")\n");
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locnbr->state = NBR_STALE;
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}
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break;
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case NBR_DELAY:
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if(stimer_expired(&(locnbr->reachable))) {
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locnbr->state = NBR_PROBE;
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locnbr->nscount = 1;
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PRINTF("DELAY: moving to PROBE + NS %u\n", locnbr->nscount);
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uip_nd6_ns_output(NULL, &locnbr->ipaddr, &locnbr->ipaddr);
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stimer_set(&(locnbr->sendns), uip_ds6_if.retrans_timer / 1000);
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}
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break;
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case NBR_PROBE:
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if(locnbr->nscount >= UIP_ND6_MAX_UNICAST_SOLICIT) {
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PRINTF("PROBE END \n");
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if((locdefrt = uip_ds6_defrt_lookup(&locnbr->ipaddr)) != NULL) {
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uip_ds6_defrt_rm(locdefrt);
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}
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else if(stimer_expired(&(locnbr->sendns))) {
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locnbr->nscount++;
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PRINTF("NBR_INCOMPLETE: NS %u\n",locnbr->nscount);
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uip_nd6_ns_output(NULL, NULL, &locnbr->ipaddr);
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stimer_set(&(locnbr->sendns), uip_ds6_if.retrans_timer / 1000);
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}
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break;
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case NBR_REACHABLE:
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if(stimer_expired(&(locnbr->reachable))) {
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PRINTF("REACHABLE: moving to STALE (");
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PRINT6ADDR(&locnbr->ipaddr);
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PRINTF(")\n");
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locnbr->state = NBR_STALE;
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}
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break;
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case NBR_DELAY:
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if(stimer_expired(&(locnbr->reachable))) {
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locnbr->state = NBR_PROBE;
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locnbr->nscount = 1;
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PRINTF("DELAY: moving to PROBE + NS %u\n", locnbr->nscount);
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uip_nd6_ns_output(NULL, &locnbr->ipaddr, &locnbr->ipaddr);
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stimer_set(&(locnbr->sendns),
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uip_ds6_if.retrans_timer / 1000);
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}
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break;
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case NBR_PROBE:
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if(locnbr->nscount >= UIP_ND6_MAX_UNICAST_SOLICIT) {
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PRINTF("PROBE END \n");
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if((locdefrt = uip_ds6_defrt_lookup(&locnbr->ipaddr)) != NULL) {
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uip_ds6_defrt_rm(locdefrt);
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}
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uip_ds6_nbr_rm(locnbr);
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} else if(stimer_expired(&(locnbr->sendns))){
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locnbr->nscount++;
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PRINTF("PROBE: NS %u\n",locnbr->nscount);
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uip_nd6_ns_output(NULL, &locnbr->ipaddr, &locnbr->ipaddr);
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stimer_set(&(locnbr->sendns), uip_ds6_if.retrans_timer / 1000);
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}
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break;
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default:
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break;
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uip_ds6_nbr_rm(locnbr);
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} else if(stimer_expired(&(locnbr->sendns))) {
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locnbr->nscount++;
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PRINTF("PROBE: NS %u\n", locnbr->nscount);
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uip_nd6_ns_output(NULL, &locnbr->ipaddr, &locnbr->ipaddr);
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stimer_set(&(locnbr->sendns), uip_ds6_if.retrans_timer / 1000);
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}
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break;
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default:
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break;
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}
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}
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}
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@ -249,11 +268,19 @@ uip_ds6_periodic(void) {
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}
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/*---------------------------------------------------------------------------*/
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uint8_t uip_ds6_list_loop(uip_ds6_element* list, uint8_t size, uint16_t elementsize, uip_ipaddr_t* ipaddr, uint8_t ipaddrlen, uip_ds6_element** out_element) {
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uip_ds6_element *element;
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uint8_t
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uip_ds6_list_loop(uip_ds6_element_t * list, uint8_t size,
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uint16_t elementsize, uip_ipaddr_t * ipaddr,
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uint8_t ipaddrlen, uip_ds6_element_t ** out_element)
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{
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uip_ds6_element_t *element;
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*out_element = NULL;
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for(element = list; element < (uip_ds6_element*)((uint8_t*)list + (size * elementsize)); element = (uip_ds6_element*)((uint8_t*)element + elementsize)) {
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for(element = list;
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element <
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(uip_ds6_element_t *) ((uint8_t *) list + (size * elementsize));
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element = (uip_ds6_element_t *) ((uint8_t *) element + elementsize)) {
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if(element->isused) {
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if(uip_ipaddr_prefixcmp(&(element->ipaddr), ipaddr, ipaddrlen)) {
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*out_element = element;
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@ -272,12 +299,17 @@ uint8_t uip_ds6_list_loop(uip_ds6_element* list, uint8_t size, uint16_t elements
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}
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/*---------------------------------------------------------------------------*/
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uip_ds6_nbr*
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uip_ds6_nbr_add(uip_ipaddr_t *ipaddr, uip_lladdr_t *lladdr, uint8_t isrouter, uint8_t state) {
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if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_nbr_cache, UIP_DS6_NBR_NB, sizeof(uip_ds6_nbr),ipaddr, 128, (uip_ds6_element**)&locnbr) == FREESPACE) {
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uip_ds6_nbr_t *
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uip_ds6_nbr_add(uip_ipaddr_t * ipaddr, uip_lladdr_t * lladdr,
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uint8_t isrouter, uint8_t state)
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{
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if(uip_ds6_list_loop
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((uip_ds6_element_t *) uip_ds6_nbr_cache, UIP_DS6_NBR_NB,
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sizeof(uip_ds6_nbr_t), ipaddr, 128,
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(uip_ds6_element_t **) & locnbr) == FREESPACE) {
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locnbr->isused = 1;
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uip_ipaddr_copy(&(locnbr->ipaddr), ipaddr);
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if(lladdr != NULL){
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if(lladdr != NULL) {
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memcpy(&(locnbr->lladdr), lladdr, UIP_LLADDR_LEN);
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} else {
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memset(&(locnbr->lladdr), 0, UIP_LLADDR_LEN);
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@ -285,8 +317,8 @@ uip_ds6_nbr_add(uip_ipaddr_t *ipaddr, uip_lladdr_t *lladdr, uint8_t isrouter, ui
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locnbr->isrouter = isrouter;
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locnbr->state = state;
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/* timers are set separately, for now we put them in expired state */
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stimer_set(&(locnbr->reachable),0);
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stimer_set(&(locnbr->sendns),0);
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stimer_set(&(locnbr->reachable), 0);
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stimer_set(&(locnbr->sendns), 0);
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locnbr->nscount = 0;
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PRINTF("Adding neighbor with ip addr");
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PRINT6ADDR(ipaddr);
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|
|
@ -300,30 +332,39 @@ uip_ds6_nbr_add(uip_ipaddr_t *ipaddr, uip_lladdr_t *lladdr, uint8_t isrouter, ui
|
|||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_nbr_rm(uip_ds6_nbr* nbr) {
|
||||
if(nbr != NULL) {
|
||||
uip_ds6_nbr_rm(uip_ds6_nbr_t * nbr)
|
||||
{
|
||||
if(nbr != NULL) {
|
||||
nbr->isused = 0;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_nbr*
|
||||
uip_ds6_nbr_lookup(uip_ipaddr_t *ipaddr) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_nbr_cache, UIP_DS6_NBR_NB, sizeof(uip_ds6_nbr) ,ipaddr, 128, (uip_ds6_element**)&locnbr) == FOUND) {
|
||||
uip_ds6_nbr_t *
|
||||
uip_ds6_nbr_lookup(uip_ipaddr_t * ipaddr)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_nbr_cache, UIP_DS6_NBR_NB,
|
||||
sizeof(uip_ds6_nbr_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locnbr) == FOUND) {
|
||||
return locnbr;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_defrt*
|
||||
uip_ds6_defrt_add(uip_ipaddr_t *ipaddr, unsigned long interval) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_defrt_list, UIP_DS6_DEFRT_NB, sizeof(uip_ds6_defrt),ipaddr, 128, (uip_ds6_element**)&locdefrt) == FREESPACE) {
|
||||
uip_ds6_defrt_t *
|
||||
uip_ds6_defrt_add(uip_ipaddr_t * ipaddr, unsigned long interval)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_defrt_list, UIP_DS6_DEFRT_NB,
|
||||
sizeof(uip_ds6_defrt_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locdefrt) == FREESPACE) {
|
||||
locdefrt->isused = 1;
|
||||
uip_ipaddr_copy(&(locdefrt->ipaddr), ipaddr);
|
||||
stimer_set(&(locdefrt->lifetime), interval);
|
||||
|
||||
|
||||
PRINTF("Adding defrouter with ip addr");
|
||||
PRINT6ADDR(&locdefrt->ipaddr);
|
||||
PRINTF("\n");
|
||||
|
|
@ -334,7 +375,8 @@ uip_ds6_defrt_add(uip_ipaddr_t *ipaddr, unsigned long interval) {
|
|||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_defrt_rm(uip_ds6_defrt* defrt) {
|
||||
uip_ds6_defrt_rm(uip_ds6_defrt_t * defrt)
|
||||
{
|
||||
if(defrt != NULL) {
|
||||
defrt->isused = 0;
|
||||
}
|
||||
|
|
@ -342,21 +384,27 @@ uip_ds6_defrt_rm(uip_ds6_defrt* defrt) {
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_defrt*
|
||||
uip_ds6_defrt_lookup(uip_ipaddr_t *ipaddr) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_defrt_list, UIP_DS6_DEFRT_NB, sizeof(uip_ds6_defrt),ipaddr, 128, (uip_ds6_element**)&locdefrt) == FOUND) {
|
||||
uip_ds6_defrt_t *
|
||||
uip_ds6_defrt_lookup(uip_ipaddr_t * ipaddr)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_defrt_list, UIP_DS6_DEFRT_NB,
|
||||
sizeof(uip_ds6_defrt_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locdefrt) == FOUND) {
|
||||
return locdefrt;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ipaddr_t*
|
||||
uip_ds6_defrt_choose() {
|
||||
uip_ds6_nbr *bestnbr;
|
||||
uip_ipaddr_t *
|
||||
uip_ds6_defrt_choose()
|
||||
{
|
||||
uip_ds6_nbr_t *bestnbr;
|
||||
|
||||
locipaddr = NULL;
|
||||
for(locdefrt = uip_ds6_defrt_list; locdefrt < uip_ds6_defrt_list + UIP_DS6_DEFRT_NB; locdefrt++) {
|
||||
for(locdefrt = uip_ds6_defrt_list;
|
||||
locdefrt < uip_ds6_defrt_list + UIP_DS6_DEFRT_NB; locdefrt++) {
|
||||
if(locdefrt->isused) {
|
||||
PRINTF("Defrt, IP address ");
|
||||
PRINT6ADDR(&locdefrt->ipaddr);
|
||||
|
|
@ -373,16 +421,22 @@ uip_ds6_defrt_choose() {
|
|||
PRINT6ADDR(&locdefrt->ipaddr);
|
||||
PRINTF("\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return locipaddr;
|
||||
}
|
||||
|
||||
#if UIP_CONF_ROUTER
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_prefix*
|
||||
uip_ds6_prefix_add(uip_ipaddr_t *ipaddr, uint8_t ipaddrlen, uint8_t advertise, uint8_t flags, unsigned long vtime, unsigned long ptime) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_prefix_list, UIP_DS6_PREFIX_NB, sizeof(uip_ds6_prefix), ipaddr, ipaddrlen, (uip_ds6_element**)&locprefix) == FREESPACE) {
|
||||
uip_ds6_prefix_t *
|
||||
uip_ds6_prefix_add(uip_ipaddr_t * ipaddr, uint8_t ipaddrlen,
|
||||
uint8_t advertise, uint8_t flags, unsigned long vtime,
|
||||
unsigned long ptime)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_prefix_list, UIP_DS6_PREFIX_NB,
|
||||
sizeof(uip_ds6_prefix_t), ipaddr, ipaddrlen,
|
||||
(uip_ds6_element_t **) & locprefix) == FREESPACE) {
|
||||
locprefix->isused = 1;
|
||||
uip_ipaddr_copy(&(locprefix->ipaddr), ipaddr);
|
||||
locprefix->length = ipaddrlen;
|
||||
|
|
@ -392,7 +446,9 @@ uip_ds6_prefix_add(uip_ipaddr_t *ipaddr, uint8_t ipaddrlen, uint8_t advertise, u
|
|||
locprefix->plifetime = ptime;
|
||||
PRINTF("Adding prefix ");
|
||||
PRINT6ADDR(&locprefix->ipaddr);
|
||||
PRINTF("length %u, flags %x, Valid lifetime %lx, Preffered lifetime %lx\n", ipaddrlen, flags, vtime, ptime);
|
||||
PRINTF
|
||||
("length %u, flags %x, Valid lifetime %lx, Preffered lifetime %lx\n",
|
||||
ipaddrlen, flags, vtime, ptime);
|
||||
return locprefix;
|
||||
} else {
|
||||
PRINTF("No more space in Prefix list\n");
|
||||
|
|
@ -402,14 +458,19 @@ uip_ds6_prefix_add(uip_ipaddr_t *ipaddr, uint8_t ipaddrlen, uint8_t advertise, u
|
|||
|
||||
|
||||
#else /* UIP_CONF_ROUTER */
|
||||
uip_ds6_prefix*
|
||||
uip_ds6_prefix_add(uip_ipaddr_t *ipaddr, uint8_t ipaddrlen, unsigned long interval){
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_prefix_list, UIP_DS6_PREFIX_NB, sizeof(uip_ds6_prefix), ipaddr, ipaddrlen, (uip_ds6_element**)&locprefix) == FREESPACE) {
|
||||
uip_ds6_prefix_t *
|
||||
uip_ds6_prefix_add(uip_ipaddr_t * ipaddr, uint8_t ipaddrlen,
|
||||
unsigned long interval)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_prefix_list, UIP_DS6_PREFIX_NB,
|
||||
sizeof(uip_ds6_prefix_t), ipaddr, ipaddrlen,
|
||||
(uip_ds6_element_t **) & locprefix) == FREESPACE) {
|
||||
locprefix->isused = 1;
|
||||
uip_ipaddr_copy(&(locprefix->ipaddr), ipaddr);
|
||||
locprefix->length = ipaddrlen;
|
||||
if(interval != 0){
|
||||
stimer_set(&(locprefix->vlifetime),interval);
|
||||
if(interval != 0) {
|
||||
stimer_set(&(locprefix->vlifetime), interval);
|
||||
locprefix->isinfinite = 0;
|
||||
} else {
|
||||
locprefix->isinfinite = 1;
|
||||
|
|
@ -425,7 +486,8 @@ uip_ds6_prefix_add(uip_ipaddr_t *ipaddr, uint8_t ipaddrlen, unsigned long interv
|
|||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
void
|
||||
uip_ds6_prefix_rm( uip_ds6_prefix *prefix) {
|
||||
uip_ds6_prefix_rm(uip_ds6_prefix_t * prefix)
|
||||
{
|
||||
if(prefix != NULL) {
|
||||
prefix->isused = 0;
|
||||
}
|
||||
|
|
@ -433,29 +495,42 @@ uip_ds6_prefix_rm( uip_ds6_prefix *prefix) {
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_prefix*
|
||||
uip_ds6_prefix_lookup(uip_ipaddr_t *ipaddr, uint8_t ipaddrlen) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_prefix_list, UIP_DS6_PREFIX_NB, sizeof(uip_ds6_prefix), ipaddr, ipaddrlen, (uip_ds6_element**)&locprefix) == FOUND) {
|
||||
uip_ds6_prefix_t *
|
||||
uip_ds6_prefix_lookup(uip_ipaddr_t * ipaddr, uint8_t ipaddrlen)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_prefix_list, UIP_DS6_PREFIX_NB,
|
||||
sizeof(uip_ds6_prefix_t), ipaddr, ipaddrlen,
|
||||
(uip_ds6_element_t **) & locprefix) == FOUND) {
|
||||
return locprefix;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uint8_t uip_ds6_is_addr_onlink(uip_ipaddr_t *ipaddr) {
|
||||
for(locprefix = uip_ds6_prefix_list; locprefix < uip_ds6_prefix_list + UIP_DS6_PREFIX_NB; locprefix++) {
|
||||
if((locprefix->isused) &&
|
||||
(uip_ipaddr_prefixcmp(&locprefix->ipaddr, ipaddr, locprefix->length)) ){
|
||||
uint8_t
|
||||
uip_ds6_is_addr_onlink(uip_ipaddr_t * ipaddr)
|
||||
{
|
||||
for(locprefix = uip_ds6_prefix_list;
|
||||
locprefix < uip_ds6_prefix_list + UIP_DS6_PREFIX_NB; locprefix++) {
|
||||
if((locprefix->isused)
|
||||
&&
|
||||
(uip_ipaddr_prefixcmp(&locprefix->ipaddr, ipaddr, locprefix->length)))
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_addr*
|
||||
uip_ds6_addr_add(uip_ipaddr_t *ipaddr, unsigned long vlifetime, uint8_t type) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_if.addr_list, UIP_DS6_ADDR_NB, sizeof(uip_ds6_addr),ipaddr, 128, (uip_ds6_element**)&locaddr) == FREESPACE) {
|
||||
uip_ds6_addr_t *
|
||||
uip_ds6_addr_add(uip_ipaddr_t * ipaddr, unsigned long vlifetime, uint8_t type)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_if.addr_list, UIP_DS6_ADDR_NB,
|
||||
sizeof(uip_ds6_addr_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locaddr) == FREESPACE) {
|
||||
locaddr->isused = 1;
|
||||
uip_ipaddr_copy(&locaddr->ipaddr, ipaddr);
|
||||
locaddr->state = ADDR_TENTATIVE;
|
||||
|
|
@ -466,19 +541,22 @@ uip_ds6_addr_add(uip_ipaddr_t *ipaddr, unsigned long vlifetime, uint8_t type) {
|
|||
locaddr->isinfinite = 0;
|
||||
stimer_set(&(locaddr->vlifetime), vlifetime);
|
||||
}
|
||||
timer_set(&locaddr->dadtimer, random_rand()%(UIP_ND6_MAX_RTR_SOLICITATION_DELAY * CLOCK_SECOND));
|
||||
timer_set(&locaddr->dadtimer,
|
||||
random_rand() % (UIP_ND6_MAX_RTR_SOLICITATION_DELAY *
|
||||
CLOCK_SECOND));
|
||||
locaddr->dadnscount = 0;
|
||||
uip_create_solicited_node(ipaddr, &loc_fipaddr);
|
||||
uip_ds6_maddr_add(&loc_fipaddr);
|
||||
return locaddr;
|
||||
}
|
||||
return NULL;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_addr_rm(uip_ds6_addr *addr) {
|
||||
if(addr != NULL) {
|
||||
void
|
||||
uip_ds6_addr_rm(uip_ds6_addr_t * addr)
|
||||
{
|
||||
if(addr != NULL) {
|
||||
uip_create_solicited_node(&addr->ipaddr, &loc_fipaddr);
|
||||
if((locmaddr = uip_ds6_maddr_lookup(&loc_fipaddr)) != NULL) {
|
||||
uip_ds6_maddr_rm(locmaddr);
|
||||
|
|
@ -489,28 +567,37 @@ uip_ds6_addr_rm(uip_ds6_addr *addr) {
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_addr*
|
||||
uip_ds6_addr_lookup(uip_ipaddr_t* ipaddr) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_if.addr_list, UIP_DS6_ADDR_NB, sizeof(uip_ds6_addr),ipaddr, 128, (uip_ds6_element**)&locaddr) == FOUND) {
|
||||
uip_ds6_addr_t *
|
||||
uip_ds6_addr_lookup(uip_ipaddr_t * ipaddr)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_if.addr_list, UIP_DS6_ADDR_NB,
|
||||
sizeof(uip_ds6_addr_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locaddr) == FOUND) {
|
||||
return locaddr;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_maddr*
|
||||
uip_ds6_maddr_add(uip_ipaddr_t *ipaddr) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_if.maddr_list, UIP_DS6_MADDR_NB, sizeof(uip_ds6_maddr),ipaddr, 128, (uip_ds6_element**)&locmaddr) == FREESPACE) {
|
||||
uip_ds6_maddr_t *
|
||||
uip_ds6_maddr_add(uip_ipaddr_t * ipaddr)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_if.maddr_list, UIP_DS6_MADDR_NB,
|
||||
sizeof(uip_ds6_maddr_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locmaddr) == FREESPACE) {
|
||||
locmaddr->isused = 1;
|
||||
uip_ipaddr_copy(&locmaddr->ipaddr, ipaddr);
|
||||
return locmaddr;
|
||||
}
|
||||
return NULL;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_maddr_rm(uip_ds6_maddr *maddr) {
|
||||
void
|
||||
uip_ds6_maddr_rm(uip_ds6_maddr_t * maddr)
|
||||
{
|
||||
if(maddr != NULL) {
|
||||
maddr->isused = 0;
|
||||
}
|
||||
|
|
@ -518,9 +605,13 @@ uip_ds6_maddr_rm(uip_ds6_maddr *maddr) {
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_maddr*
|
||||
uip_ds6_maddr_lookup(uip_ipaddr_t* ipaddr) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_if.maddr_list, UIP_DS6_MADDR_NB, sizeof(uip_ds6_maddr),ipaddr, 128, (uip_ds6_element**)&locmaddr) == FOUND) {
|
||||
uip_ds6_maddr_t *
|
||||
uip_ds6_maddr_lookup(uip_ipaddr_t * ipaddr)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_if.maddr_list, UIP_DS6_MADDR_NB,
|
||||
sizeof(uip_ds6_maddr_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locmaddr) == FOUND) {
|
||||
return locmaddr;
|
||||
}
|
||||
return NULL;
|
||||
|
|
@ -528,19 +619,24 @@ uip_ds6_maddr_lookup(uip_ipaddr_t* ipaddr) {
|
|||
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_aaddr*
|
||||
uip_ds6_aaddr_add(uip_ipaddr_t *ipaddr) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_if.aaddr_list, UIP_DS6_AADDR_NB, sizeof(uip_ds6_aaddr),ipaddr, 128, (uip_ds6_element**)&locaaddr) == FREESPACE) {
|
||||
uip_ds6_aaddr_t *
|
||||
uip_ds6_aaddr_add(uip_ipaddr_t * ipaddr)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_if.aaddr_list, UIP_DS6_AADDR_NB,
|
||||
sizeof(uip_ds6_aaddr_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locaaddr) == FREESPACE) {
|
||||
locaaddr->isused = 1;
|
||||
uip_ipaddr_copy(&locaaddr->ipaddr, ipaddr);
|
||||
return locaaddr;
|
||||
}
|
||||
return NULL;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_aaddr_rm(uip_ds6_aaddr *aaddr) {
|
||||
void
|
||||
uip_ds6_aaddr_rm(uip_ds6_aaddr_t * aaddr)
|
||||
{
|
||||
if(aaddr != NULL) {
|
||||
aaddr->isused = 0;
|
||||
}
|
||||
|
|
@ -548,68 +644,103 @@ uip_ds6_aaddr_rm(uip_ds6_aaddr *aaddr) {
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_aaddr*
|
||||
uip_ds6_aaddr_lookup(uip_ipaddr_t* ipaddr) {
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_if.aaddr_list, UIP_DS6_AADDR_NB, sizeof(uip_ds6_aaddr),ipaddr, 128, (uip_ds6_element**)&locaaddr) == FOUND) {
|
||||
uip_ds6_aaddr_t *
|
||||
uip_ds6_aaddr_lookup(uip_ipaddr_t * ipaddr)
|
||||
{
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_if.aaddr_list, UIP_DS6_AADDR_NB,
|
||||
sizeof(uip_ds6_aaddr_t), ipaddr, 128,
|
||||
(uip_ds6_element_t **) & locaaddr) == FOUND) {
|
||||
return locaaddr;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ipaddr_t*
|
||||
uip_ds6_route_lookup(uip_ipaddr_t *destipaddr) {
|
||||
locipaddr = NULL;
|
||||
uip_ds6_route_t *
|
||||
uip_ds6_route_lookup(uip_ipaddr_t * destipaddr)
|
||||
{
|
||||
uip_ds6_route_t *locrt = NULL;
|
||||
uint8_t longestmatch = 0;
|
||||
|
||||
for(locroute = uip_ds6_routing_table; locroute < uip_ds6_routing_table + UIP_DS6_ROUTE_NB; locroute++) {
|
||||
if((locroute->isused) &&
|
||||
(locroute->length >= longestmatch) &&
|
||||
(uip_ipaddr_prefixcmp(destipaddr, &locroute->ipaddr, locroute->length))) {
|
||||
PRINTF("DS6: Looking up route for");
|
||||
PRINT6ADDR(destipaddr);
|
||||
PRINTF("\n");
|
||||
|
||||
for(locroute = uip_ds6_routing_table;
|
||||
locroute < uip_ds6_routing_table + UIP_DS6_ROUTE_NB; locroute++) {
|
||||
if((locroute->isused) && (locroute->length >= longestmatch)
|
||||
&&
|
||||
(uip_ipaddr_prefixcmp
|
||||
(destipaddr, &locroute->ipaddr, locroute->length))) {
|
||||
longestmatch = locroute->length;
|
||||
locipaddr = &locroute->ipaddr;
|
||||
locrt = locroute;
|
||||
}
|
||||
}
|
||||
|
||||
return locipaddr;
|
||||
|
||||
if(locrt != NULL) {
|
||||
PRINTF("DS6: Found route:");
|
||||
PRINT6ADDR(destipaddr);
|
||||
PRINTF(" via ");
|
||||
PRINT6ADDR(&locrt->nexthop);
|
||||
PRINTF("\n");
|
||||
} else {
|
||||
PRINTF("DS6: No route found ...\n");
|
||||
}
|
||||
|
||||
return locrt;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uip_ds6_route*
|
||||
uip_ds6_route_add(uip_ipaddr_t *ipaddr, u8_t length, uip_ipaddr_t *nexthop, u8_t metric) {
|
||||
|
||||
if(uip_ds6_list_loop((uip_ds6_element*)uip_ds6_routing_table, UIP_DS6_ROUTE_NB, sizeof(uip_ds6_route), ipaddr, length, (uip_ds6_element**)&locroute) == FREESPACE) {
|
||||
uip_ds6_route_t *
|
||||
uip_ds6_route_add(uip_ipaddr_t * ipaddr, u8_t length, uip_ipaddr_t * nexthop,
|
||||
u8_t metric)
|
||||
{
|
||||
|
||||
if(uip_ds6_list_loop
|
||||
((uip_ds6_element_t *) uip_ds6_routing_table, UIP_DS6_ROUTE_NB,
|
||||
sizeof(uip_ds6_route_t), ipaddr, length,
|
||||
(uip_ds6_element_t **) & locroute) == FREESPACE) {
|
||||
locroute->isused = 1;
|
||||
uip_ipaddr_copy(&(locroute->ipaddr), ipaddr);
|
||||
locroute->length = length;
|
||||
uip_ipaddr_copy(&(locroute->nexthop), nexthop);
|
||||
locroute->metric = metric;
|
||||
|
||||
PRINTF("DS6: adding route:");
|
||||
PRINT6ADDR(ipaddr);
|
||||
PRINTF(" via ");
|
||||
PRINT6ADDR(nexthop);
|
||||
PRINTF("\n");
|
||||
|
||||
}
|
||||
|
||||
|
||||
return locroute;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_route_rm(uip_ds6_route* route) {
|
||||
uip_ds6_route_rm(uip_ds6_route_t * route)
|
||||
{
|
||||
route->isused = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_select_src(uip_ipaddr_t *src, uip_ipaddr_t *dst)
|
||||
{
|
||||
uint8_t best = 0; /* number of bit in common with best match*/
|
||||
uip_ds6_select_src(uip_ipaddr_t * src, uip_ipaddr_t * dst)
|
||||
{
|
||||
uint8_t best = 0; /* number of bit in common with best match */
|
||||
uint8_t n = 0;
|
||||
uip_ds6_addr *matchaddr = uip_ds6_if.addr_list;
|
||||
|
||||
uip_ds6_addr_t *matchaddr = uip_ds6_if.addr_list;
|
||||
|
||||
if(!uip_is_addr_link_local(dst) && !uip_is_addr_mcast(dst)) {
|
||||
// find longest match
|
||||
for(locaddr = uip_ds6_if.addr_list; locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
|
||||
if((locaddr->isused) && (locaddr->state == ADDR_PREFERRED)){
|
||||
for(locaddr = uip_ds6_if.addr_list;
|
||||
locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
|
||||
if((locaddr->isused) && (locaddr->state == ADDR_PREFERRED)) {
|
||||
n = get_match_length(dst, &(locaddr->ipaddr));
|
||||
if(n >= best){
|
||||
if(n >= best) {
|
||||
best = n;
|
||||
matchaddr = locaddr;
|
||||
}
|
||||
|
|
@ -617,8 +748,10 @@ uip_ds6_select_src(uip_ipaddr_t *src, uip_ipaddr_t *dst)
|
|||
}
|
||||
} else {
|
||||
// use link local
|
||||
for(locaddr = uip_ds6_if.addr_list; locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
|
||||
if((locaddr->isused) && (locaddr->state == ADDR_PREFERRED) && (uip_is_addr_link_local(&locaddr->ipaddr))) {
|
||||
for(locaddr = uip_ds6_if.addr_list;
|
||||
locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
|
||||
if((locaddr->isused) && (locaddr->state == ADDR_PREFERRED)
|
||||
&& (uip_is_addr_link_local(&locaddr->ipaddr))) {
|
||||
matchaddr = locaddr;
|
||||
break;
|
||||
}
|
||||
|
|
@ -630,7 +763,9 @@ uip_ds6_select_src(uip_ipaddr_t *src, uip_ipaddr_t *dst)
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void uip_ds6_set_addr_iid(uip_ipaddr_t *ipaddr, uip_lladdr_t *lladdr) {
|
||||
void
|
||||
uip_ds6_set_addr_iid(uip_ipaddr_t * ipaddr, uip_lladdr_t * lladdr)
|
||||
{
|
||||
/* We consider only links with IEEE EUI-64 identifier or
|
||||
* IEEE 48-bit MAC addresses */
|
||||
#if (UIP_LLADDR_LEN == 8)
|
||||
|
|
@ -640,36 +775,33 @@ void uip_ds6_set_addr_iid(uip_ipaddr_t *ipaddr, uip_lladdr_t *lladdr) {
|
|||
memcpy(ipaddr->u8 + 8, lladdr, 3);
|
||||
ipaddr->u8[11] = 0xff;
|
||||
ipaddr->u8[12] = 0xfe;
|
||||
memcpy(ipaddr->u8 + 13, (uint8_t*)lladdr + 3, 3);
|
||||
memcpy(ipaddr->u8 + 13, (uint8_t *) lladdr + 3, 3);
|
||||
ipaddr->u8[8] ^= 0x02;
|
||||
#else
|
||||
PRINTF("CAN NOT BUIL INTERFACE IDENTIFIER");
|
||||
PRINTF("THE STACK IS GOING TO SHUT DOWN");
|
||||
PRINTF("THE HOST WILL BE UNREACHABLE");
|
||||
exit(-1);
|
||||
#error uip-ds6.c cannot build interface address when UIP_LLADDR_LEN is not 6 or 8
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
uint8_t
|
||||
get_match_length(uip_ipaddr_t *src, uip_ipaddr_t *dst) {
|
||||
get_match_length(uip_ipaddr_t * src, uip_ipaddr_t * dst)
|
||||
{
|
||||
uint8_t j, k, x_or;
|
||||
uint8_t len = 0;
|
||||
for(j = 0; j < 16; j ++) {
|
||||
|
||||
for(j = 0; j < 16; j++) {
|
||||
if(src->u8[j] == dst->u8[j]) {
|
||||
len += 8;
|
||||
} else {
|
||||
x_or = src->u8[j] ^ dst->u8[j];
|
||||
for(k = 0; k < 8; k ++) {
|
||||
if((x_or & 0x80) == 0){
|
||||
len ++;
|
||||
for(k = 0; k < 8; k++) {
|
||||
if((x_or & 0x80) == 0) {
|
||||
len++;
|
||||
x_or <<= 1;
|
||||
}
|
||||
else {
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -678,12 +810,14 @@ get_match_length(uip_ipaddr_t *src, uip_ipaddr_t *dst) {
|
|||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_dad(uip_ds6_addr* addr) {
|
||||
uip_ds6_dad(uip_ds6_addr_t * addr)
|
||||
{
|
||||
/* send maxdadns NS for DAD */
|
||||
if(addr->dadnscount < uip_ds6_if.maxdadns) {
|
||||
uip_nd6_ns_output(NULL, NULL, &addr->ipaddr);
|
||||
addr->dadnscount++;
|
||||
timer_set(&addr->dadtimer, uip_ds6_if.retrans_timer / 1000 * CLOCK_SECOND);
|
||||
timer_set(&addr->dadtimer,
|
||||
uip_ds6_if.retrans_timer / 1000 * CLOCK_SECOND);
|
||||
return;
|
||||
}
|
||||
/*
|
||||
|
|
@ -699,78 +833,89 @@ uip_ds6_dad(uip_ds6_addr* addr) {
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_dad_failed(uip_ds6_addr *addr) {
|
||||
/*
|
||||
* Calling code must handle when this returns 0 (e.g. link local
|
||||
* address can not be used).
|
||||
*/
|
||||
int
|
||||
uip_ds6_dad_failed(uip_ds6_addr_t * addr)
|
||||
{
|
||||
if(uip_is_addr_link_local(&addr->ipaddr)) {
|
||||
PRINTF("Contiki shutdown, DAD for link local address failed\n");
|
||||
exit(-1);
|
||||
return 0;
|
||||
}
|
||||
uip_ds6_addr_rm(addr);
|
||||
return;
|
||||
return 1;
|
||||
}
|
||||
|
||||
#if UIP_CONF_ROUTER
|
||||
#if UIP_CONF_ROUTER
|
||||
#if UIP_ND6_SEND_RA
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_send_ra_sollicited(void) {
|
||||
uip_ds6_send_ra_sollicited(void)
|
||||
{
|
||||
/* We have a pb here: RA timer max possible value is 1800s,
|
||||
* hence we have to use stimers. However, when receiving a RS, we
|
||||
* should delay the reply by a random value between 0 and 500ms timers.
|
||||
* stimers are in seconds, hence we cannot do this. Therefore we just send
|
||||
* the RA (setting the timer to 0 below). We keep the code logic for
|
||||
* should delay the reply by a random value between 0 and 500ms timers.
|
||||
* stimers are in seconds, hence we cannot do this. Therefore we just send
|
||||
* the RA (setting the timer to 0 below). We keep the code logic for
|
||||
* the days contiki will support appropriate timers */
|
||||
rand_time = 0;
|
||||
PRINTF("Solicited RA, random time %u\n", rand_time);
|
||||
PRINTF("Solicited RA, random time %u\n", rand_time);
|
||||
|
||||
if (stimer_remaining(&uip_ds6_timer_ra) > rand_time) {
|
||||
if (stimer_elapsed(&uip_ds6_timer_ra) < UIP_ND6_MIN_DELAY_BETWEEN_RAS) {
|
||||
if(stimer_remaining(&uip_ds6_timer_ra) > rand_time) {
|
||||
if(stimer_elapsed(&uip_ds6_timer_ra) < UIP_ND6_MIN_DELAY_BETWEEN_RAS) {
|
||||
/* Ensure that the RAs are rate limited */
|
||||
/* stimer_set(&uip_ds6_timer_ra, rand_time +
|
||||
UIP_ND6_MIN_DELAY_BETWEEN_RAS -
|
||||
stimer_elapsed(&uip_ds6_timer_ra));
|
||||
*/ } else {
|
||||
stimer_set(&uip_ds6_timer_ra, rand_time);
|
||||
stimer_elapsed(&uip_ds6_timer_ra));
|
||||
*/ } else {
|
||||
stimer_set(&uip_ds6_timer_ra, rand_time);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_send_ra_periodic(void) {
|
||||
if(racount > 0){
|
||||
/* send previously scheduled RA*/
|
||||
uip_ds6_send_ra_periodic(void)
|
||||
{
|
||||
if(racount > 0) {
|
||||
/* send previously scheduled RA */
|
||||
uip_nd6_ra_output(NULL);
|
||||
PRINTF("Sending periodic RA\n");
|
||||
}
|
||||
|
||||
rand_time = UIP_ND6_MIN_RA_INTERVAL + random_rand() %
|
||||
(uint16_t)(UIP_ND6_MAX_RA_INTERVAL - UIP_ND6_MIN_RA_INTERVAL);
|
||||
(uint16_t) (UIP_ND6_MAX_RA_INTERVAL - UIP_ND6_MIN_RA_INTERVAL);
|
||||
PRINTF("Random time 1 = %u\n", rand_time);
|
||||
|
||||
if(racount < UIP_ND6_MAX_INITIAL_RAS){
|
||||
if (rand_time > UIP_ND6_MAX_INITIAL_RA_INTERVAL){
|
||||
if(racount < UIP_ND6_MAX_INITIAL_RAS) {
|
||||
if(rand_time > UIP_ND6_MAX_INITIAL_RA_INTERVAL) {
|
||||
rand_time = UIP_ND6_MAX_INITIAL_RA_INTERVAL;
|
||||
PRINTF("Random time 2 = %u\n", rand_time);
|
||||
}
|
||||
racount++;
|
||||
}
|
||||
PRINTF("Random time 3 = %u\n", rand_time);
|
||||
stimer_set(&uip_ds6_timer_ra, rand_time);
|
||||
stimer_set(&uip_ds6_timer_ra, rand_time);
|
||||
}
|
||||
|
||||
#endif /* UIP_ND6_SEND_RA */
|
||||
#else /* UIP_CONF_ROUTER */
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void
|
||||
uip_ds6_send_rs(void) {
|
||||
if((uip_ds6_defrt_choose() == NULL) && (rscount < UIP_ND6_MAX_RTR_SOLICITATIONS)){
|
||||
uip_ds6_send_rs(void)
|
||||
{
|
||||
if((uip_ds6_defrt_choose() == NULL)
|
||||
&& (rscount < UIP_ND6_MAX_RTR_SOLICITATIONS)) {
|
||||
PRINTF("Sending RS %u\n", rscount);
|
||||
uip_nd6_rs_output();
|
||||
rscount++;
|
||||
etimer_set(&uip_ds6_timer_rs, UIP_ND6_RTR_SOLICITATION_INTERVAL * CLOCK_SECOND);
|
||||
etimer_set(&uip_ds6_timer_rs,
|
||||
UIP_ND6_RTR_SOLICITATION_INTERVAL * CLOCK_SECOND);
|
||||
} else {
|
||||
PRINTF("Router found ? (boolean): %u\n", (uip_ds6_defrt_choose() != NULL));
|
||||
PRINTF("Router found ? (boolean): %u\n",
|
||||
(uip_ds6_defrt_choose() != NULL));
|
||||
etimer_stop(&uip_ds6_timer_rs);
|
||||
}
|
||||
return;
|
||||
|
|
@ -781,10 +926,12 @@ uip_ds6_send_rs(void) {
|
|||
uint32_t
|
||||
uip_ds6_compute_reachable_time(void)
|
||||
{
|
||||
return (uint32_t)(UIP_ND6_MIN_RANDOM_FACTOR(uip_ds6_if.base_reachable_time)) +
|
||||
((uint16_t)(random_rand() << 8) + (uint16_t)random_rand()) %
|
||||
(uint32_t)(UIP_ND6_MAX_RANDOM_FACTOR(uip_ds6_if.base_reachable_time) -
|
||||
UIP_ND6_MIN_RANDOM_FACTOR(uip_ds6_if.base_reachable_time));
|
||||
return (uint32_t) (UIP_ND6_MIN_RANDOM_FACTOR
|
||||
(uip_ds6_if.base_reachable_time)) +
|
||||
((uint16_t) (random_rand() << 8) +
|
||||
(uint16_t) random_rand()) %
|
||||
(uint32_t) (UIP_ND6_MAX_RANDOM_FACTOR(uip_ds6_if.base_reachable_time) -
|
||||
UIP_ND6_MIN_RANDOM_FACTOR(uip_ds6_if.base_reachable_time));
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue