Poor man's loop reparation: reset the DIO timer and hope the neighbor learns a better route.
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1 changed files with 3 additions and 1 deletions
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@ -132,7 +132,9 @@ rpl_verify_header(int uip_ext_opt_offset)
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if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_RANK_ERR) {
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if(UIP_EXT_HDR_OPT_RPL_BUF->flags & RPL_HDR_OPT_RANK_ERR) {
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PRINTF("RPL: Rank error signalled in RPL option!\n");
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PRINTF("RPL: Rank error signalled in RPL option!\n");
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/* We should try to repair it, not implemented for the moment */
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/* We should try to repair it, not implemented for the moment */
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return 3;
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rpl_reset_dio_timer(instance);
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/* Forward the packet anyway. */
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return 0;
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}
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}
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PRINTF("RPL: Single error tolerated\n");
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PRINTF("RPL: Single error tolerated\n");
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UIP_EXT_HDR_OPT_RPL_BUF->flags |= RPL_HDR_OPT_RANK_ERR;
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UIP_EXT_HDR_OPT_RPL_BUF->flags |= RPL_HDR_OPT_RANK_ERR;
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