Implement RPL non-storing mode
This commit is contained in:
Simon Duquennoy
parent
d14b76d869
commit
b3e31e1456
17 changed files with 1149 additions and 278 deletions
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@ -57,6 +57,7 @@ void NETSTACK_CONF_ROUTING_NEIGHBOR_ADDED_CALLBACK(const linkaddr_t *addr);
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void NETSTACK_CONF_ROUTING_NEIGHBOR_REMOVED_CALLBACK(const linkaddr_t *addr);
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#endif /* NETSTACK_CONF_ROUTING_NEIGHBOR_REMOVED_CALLBACK */
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#if (UIP_CONF_MAX_ROUTES != 0)
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/* The nbr_routes holds a neighbor table to be able to maintain
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information about what routes go through what neighbor. This
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neighbor table is registered with the central nbr-table repository
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@ -71,6 +72,11 @@ MEMB(neighborroutememb, struct uip_ds6_route_neighbor_route, UIP_DS6_ROUTE_NB);
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LIST(routelist);
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MEMB(routememb, uip_ds6_route_t, UIP_DS6_ROUTE_NB);
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static int num_routes = 0;
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static void rm_routelist_callback(nbr_table_item_t *ptr);
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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/* Default routes are held on the defaultrouterlist and their
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structures are allocated from the defaultroutermemb memory block.*/
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LIST(defaultrouterlist);
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@ -80,13 +86,10 @@ MEMB(defaultroutermemb, uip_ds6_defrt_t, UIP_DS6_DEFRT_NB);
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LIST(notificationlist);
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#endif
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static int num_routes = 0;
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#undef DEBUG
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#define DEBUG DEBUG_NONE
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#include "net/ip/uip-debug.h"
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static void rm_routelist_callback(nbr_table_item_t *ptr);
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/*---------------------------------------------------------------------------*/
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#if DEBUG != DEBUG_NONE
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static void
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@ -156,10 +159,12 @@ uip_ds6_notification_rm(struct uip_ds6_notification *n)
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void
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uip_ds6_route_init(void)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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memb_init(&routememb);
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list_init(routelist);
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nbr_table_register(nbr_routes,
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(nbr_table_callback *)rm_routelist_callback);
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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memb_init(&defaultroutermemb);
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list_init(defaultrouterlist);
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@ -168,6 +173,7 @@ uip_ds6_route_init(void)
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list_init(notificationlist);
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#endif
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}
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#if (UIP_CONF_MAX_ROUTES != 0)
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/*---------------------------------------------------------------------------*/
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static uip_lladdr_t *
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uip_ds6_route_nexthop_lladdr(uip_ds6_route_t *route)
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@ -179,36 +185,48 @@ uip_ds6_route_nexthop_lladdr(uip_ds6_route_t *route)
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return NULL;
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}
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}
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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/*---------------------------------------------------------------------------*/
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uip_ipaddr_t *
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uip_ds6_route_nexthop(uip_ds6_route_t *route)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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if(route != NULL) {
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return uip_ds6_nbr_ipaddr_from_lladdr(uip_ds6_route_nexthop_lladdr(route));
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} else {
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return NULL;
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}
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#else /* (UIP_CONF_MAX_ROUTES != 0) */
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return NULL;
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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}
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/*---------------------------------------------------------------------------*/
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uip_ds6_route_t *
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uip_ds6_route_head(void)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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return list_head(routelist);
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#else /* (UIP_CONF_MAX_ROUTES != 0) */
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return NULL;
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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}
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/*---------------------------------------------------------------------------*/
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uip_ds6_route_t *
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uip_ds6_route_next(uip_ds6_route_t *r)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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if(r != NULL) {
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uip_ds6_route_t *n = list_item_next(r);
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return n;
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}
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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return NULL;
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}
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/*---------------------------------------------------------------------------*/
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int
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uip_ds6_route_is_nexthop(const uip_ipaddr_t *ipaddr)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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const uip_lladdr_t *lladdr;
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lladdr = uip_ds6_nbr_lladdr_from_ipaddr(ipaddr);
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@ -217,17 +235,25 @@ uip_ds6_route_is_nexthop(const uip_ipaddr_t *ipaddr)
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}
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return nbr_table_get_from_lladdr(nbr_routes, (linkaddr_t *)lladdr) != NULL;
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#else /* (UIP_CONF_MAX_ROUTES != 0) */
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return 0;
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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}
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/*---------------------------------------------------------------------------*/
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int
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uip_ds6_route_num_routes(void)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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return num_routes;
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#else /* (UIP_CONF_MAX_ROUTES != 0) */
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return 0;
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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}
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/*---------------------------------------------------------------------------*/
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uip_ds6_route_t *
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uip_ds6_route_lookup(uip_ipaddr_t *addr)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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uip_ds6_route_t *r;
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uip_ds6_route_t *found_route;
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uint8_t longestmatch;
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@ -274,12 +300,16 @@ uip_ds6_route_lookup(uip_ipaddr_t *addr)
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}
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return found_route;
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#else /* (UIP_CONF_MAX_ROUTES != 0) */
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return NULL;
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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}
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/*---------------------------------------------------------------------------*/
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uip_ds6_route_t *
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uip_ds6_route_add(uip_ipaddr_t *ipaddr, uint8_t length,
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uip_ipaddr_t *nexthop)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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uip_ds6_route_t *r;
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struct uip_ds6_route_neighbor_route *nbrr;
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@ -426,12 +456,17 @@ uip_ds6_route_add(uip_ipaddr_t *ipaddr, uint8_t length,
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assert_nbr_routes_list_sane();
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#endif /* DEBUG != DEBUG_NONE */
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return r;
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#else /* (UIP_CONF_MAX_ROUTES != 0) */
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return NULL;
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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}
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/*---------------------------------------------------------------------------*/
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void
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uip_ds6_route_rm(uip_ds6_route_t *route)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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struct uip_ds6_route_neighbor_route *neighbor_route;
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#if DEBUG != DEBUG_NONE
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assert_nbr_routes_list_sane();
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@ -488,8 +523,11 @@ uip_ds6_route_rm(uip_ds6_route_t *route)
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#if DEBUG != DEBUG_NONE
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assert_nbr_routes_list_sane();
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#endif /* DEBUG != DEBUG_NONE */
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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return;
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}
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#if (UIP_CONF_MAX_ROUTES != 0)
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/*---------------------------------------------------------------------------*/
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static void
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rm_routelist(struct uip_ds6_route_neighbor_routes *routes)
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@ -517,10 +555,12 @@ rm_routelist_callback(nbr_table_item_t *ptr)
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{
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rm_routelist((struct uip_ds6_route_neighbor_routes *)ptr);
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}
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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/*---------------------------------------------------------------------------*/
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void
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uip_ds6_route_rm_by_nexthop(uip_ipaddr_t *nexthop)
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{
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#if (UIP_CONF_MAX_ROUTES != 0)
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/* Get routing entry list of this neighbor */
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const uip_lladdr_t *nexthop_lladdr;
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struct uip_ds6_route_neighbor_routes *routes;
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@ -529,6 +569,7 @@ uip_ds6_route_rm_by_nexthop(uip_ipaddr_t *nexthop)
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routes = nbr_table_get_from_lladdr(nbr_routes,
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(linkaddr_t *)nexthop_lladdr);
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rm_routelist(routes);
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#endif /* (UIP_CONF_MAX_ROUTES != 0) */
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}
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/*---------------------------------------------------------------------------*/
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uip_ds6_defrt_t *
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