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nvt-se 2010-04-30 23:10:45 +00:00
parent 2fd414b22f
commit ecada2d1ac
1 changed files with 10 additions and 21 deletions
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31
core/net/rpl/rpl-icmp6.c
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@ -33,14 +33,14 @@
*
* This file is part of the Contiki operating system.
*
* $Id: rpl-icmp6.c,v 1.2 2010/04/30 15:04:47 nvt-se Exp $
* $Id: rpl-icmp6.c,v 1.3 2010/04/30 23:10:45 nvt-se Exp $
*/
/**
* \file
* ICMP6 I/O for RPL control messages.
*
* \author Joakim Eriksson <joakime@sics.se>, Nicolas Tsiftes <nvt@sics.se>
* Contributors: Niclas Finne <nfi@sics.se, Joel Hoglund <joel@sics.se>,
* Contributors: Niclas Finne <nfi@sics.se>, Joel Hoglund <joel@sics.se>,
* Mathieu Pouillot <m.pouillot@watteco.com>
*/
@ -77,8 +77,10 @@ static int
get_global_addr(uip_ipaddr_t *addr)
{
int i;
int state;
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
int state = uip_ds6_if.addr_list[i].state;
state = uip_ds6_if.addr_list[i].state;
if(uip_ds6_if.addr_list[i].isused &&
(state == ADDR_TENTATIVE || state == ADDR_PREFERRED)) {
if(!uip_is_addr_link_local(&uip_ds6_if.addr_list[i].ipaddr)) {
@ -95,7 +97,7 @@ static uint32_t
get32(uint8_t *buffer, int pos)
{
return (uint32_t)buffer[pos] << 24 | (uint32_t)buffer[pos + 1] << 16 |
(uint32_t)buffer[pos + 2] << 8 | buffer[pos + 3];
(uint32_t)buffer[pos + 2] << 8 | buffer[pos + 3];
}
/*---------------------------------------------------------------------------*/
static void
@ -376,16 +378,6 @@ dao_input(void)
PRINTF("RPL: DAO rank: %u, lifetime: %lu, prefix length: %u\n", rank,
(unsigned long)lifetime, prefixlen);
/* n = rpl_find_neighbor(dag, &UIP_IP_BUF->srcipaddr); */
/* if(n == NULL) { */
/* n = rpl_add_neighbor(dag, &UIP_IP_BUF->srcipaddr); */
/* if(n == NULL) { */
/* PRINTF("RPL: Failed to add a neighbor entry for a DAO\n"); */
/* return; */
/* } */
/* } */
/* n->rank = INFINITE_RANK; */
memset(&prefix, 0, sizeof(prefix));
memcpy(&prefix, buffer + pos, prefixlen / CHAR_BIT);
@ -448,13 +440,6 @@ dao_output(rpl_neighbor_t *n, uint32_t lifetime)
buffer[pos++] = sequence >> 8;
buffer[pos++] = sequence & 0xff;
// uip_ds6_select_src(&prefix, );
if(get_global_addr(&prefix)) {
/* all ok */
} else {
/* not ok */
}
PRINTF("RPL: Sending DAO with prefix ");
PRINT6ADDR(&prefix);
PRINTF(" to ");
@ -485,6 +470,10 @@ dao_output(rpl_neighbor_t *n, uint32_t lifetime)
pos += 4;
/* pos = 12 or 14 */
if(get_global_addr(&prefix) == 0) {
PRINTF("RPL: No global address set for this node - suppressing DAO\n");
return 0;
}
memcpy(buffer + pos, &prefix, prefixlen / CHAR_BIT);
pos += (prefixlen / CHAR_BIT);