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Rank error packet should not be forwarded

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Laurent Deru 2014-01-31 09:37:35 +01:00
parent 778d40dab7
commit a964380155
1 changed files with 2 additions and 3 deletions
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5
core/net/rpl/rpl-ext-header.c
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@ -138,10 +138,9 @@ rpl_verify_header(int uip_ext_opt_offset)
sender_closer); sender_closer);
if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_RANK_ERR) { if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_RANK_ERR) {
PRINTF("RPL: Rank error signalled in RPL option!\n"); PRINTF("RPL: Rank error signalled in RPL option!\n");
/* We should try to repair it, not implemented for the moment */ /* Packet must be dropped and dio trickle timer reset, see RFC6550 - 11.2.2.2 */
rpl_reset_dio_timer(instance); rpl_reset_dio_timer(instance);
/* Forward the packet anyway. */ return 1;
return 0;
} }
PRINTF("RPL: Single error tolerated\n"); PRINTF("RPL: Single error tolerated\n");
UIP_EXT_HDR_OPT_RPL_BUF->flags |= RPL_HDR_OPT_RANK_ERR; UIP_EXT_HDR_OPT_RPL_BUF->flags |= RPL_HDR_OPT_RANK_ERR;