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Merge pull request #2491 from cgundogan/rpl_use_all_rpl_nodes_addr

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rpl: use the all-RPL-nodes multicast address
This commit is contained in:
Joakim Gebart 2015-02-28 11:08:09 +01:00
commit dcebfe55a4
3 changed files with 26 additions and 1 deletions
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19
sys/net/include/sixlowpan/ip.h
View File

@ -297,6 +297,25 @@ static inline void ipv6_addr_set_all_nodes_addr(ipv6_addr_t *ipv6_addr)
ipv6_addr->uint32[3] = HTONL(1);
}
/**
* @brief Set *ipv6_addr* to the all-RPL-nodes multicast address
* (ff02::1a).
*
* @see <a href="http://tools.ietf.org/html/rfc6550#section-6">
* RFC 6550
* </a>
*
* @param[out] ipv6_addr Is set to the all-RPL-nodes multicast
* address.
*/
static inline void ipv6_addr_set_all_rpl_nodes_addr(ipv6_addr_t *ipv6_addr)
{
ipv6_addr->uint32[0] = HTONL(0xff020000);
ipv6_addr->uint32[1] = 0;
ipv6_addr->uint32[2] = 0;
ipv6_addr->uint32[3] = HTONL(0x1a);
}
/**
* @brief Set *ipv6_addr_out* to the solicited-node multicast address
* computed from *ipv6_addr_in*.

6
sys/net/routing/rpl/rpl.c
View File

@ -92,6 +92,12 @@ uint8_t rpl_init(int if_id)
ipv6_addr_set_link_local_prefix(&ll_address);
ipv6_net_if_get_best_src_addr(&my_address, &ll_address);
ipv6_register_rpl_handler(rpl_process_pid);
/* add all-RPL-nodes address */
ipv6_addr_t all_rpl_nodes;
ipv6_addr_set_all_rpl_nodes_addr(&all_rpl_nodes);
ipv6_net_if_add_addr(if_id, &all_rpl_nodes, NDP_ADDR_STATE_ANY, 0, 0, 0);
#if (RPL_DEFAULT_MOP == RPL_MOP_NON_STORING_MODE)
ipv6_iface_set_srh_indicator(rpl_is_root);
#endif

2
sys/net/routing/rpl/rpl_dodag.c
View File

@ -40,7 +40,7 @@ void rpl_trickle_send_dio(void *args)
(void) args;
ipv6_addr_t mcast;
ipv6_addr_set_all_nodes_addr(&mcast);
ipv6_addr_set_all_rpl_nodes_addr(&mcast);
rpl_send_DIO(&mcast);
}