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Allow user configuration of RPL hop-by-hop option
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parent
7286c9a635
commit
0efa9f2046
@ -195,4 +195,16 @@
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#define RPL_PREFERENCE 0
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#define RPL_PREFERENCE 0
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#endif
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#endif
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/*
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* Hop-by-hop option
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* This option control the insertion of the RPL Hop-by-Hop extension header
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* into packets originating from this node. Incoming Hop-by-hop extension
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* header are still processed and forwarded.
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*/
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#ifdef RPL_CONF_INSERT_HBH_OPTION
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#define RPL_INSERT_HBH_OPTION RPL_CONF_INSERT_HBH_OPTION
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#else
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#define RPL_INSERT_HBH_OPTION 1
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#endif
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#endif /* RPL_CONF_H */
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#endif /* RPL_CONF_H */
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@ -213,6 +213,7 @@ rpl_update_header_empty(void)
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}
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}
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break;
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break;
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default:
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default:
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#if RPL_INSERT_HBH_OPTION
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PRINTF("RPL: No hop-by-hop option found, creating it\n");
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PRINTF("RPL: No hop-by-hop option found, creating it\n");
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if(uip_len + RPL_HOP_BY_HOP_LEN > UIP_BUFSIZE) {
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if(uip_len + RPL_HOP_BY_HOP_LEN > UIP_BUFSIZE) {
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PRINTF("RPL: Packet too long: impossible to add hop-by-hop option\n");
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PRINTF("RPL: Packet too long: impossible to add hop-by-hop option\n");
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@ -221,6 +222,7 @@ rpl_update_header_empty(void)
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}
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}
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set_rpl_opt(uip_ext_opt_offset);
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set_rpl_opt(uip_ext_opt_offset);
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uip_ext_len = last_uip_ext_len + RPL_HOP_BY_HOP_LEN;
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uip_ext_len = last_uip_ext_len + RPL_HOP_BY_HOP_LEN;
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#endif
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return 0;
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return 0;
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}
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}
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@ -372,9 +374,11 @@ rpl_invert_header(void)
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void
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void
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rpl_insert_header(void)
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rpl_insert_header(void)
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{
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{
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#if RPL_INSERT_HBH_OPTION
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if(default_instance != NULL && !uip_is_addr_mcast(&UIP_IP_BUF->destipaddr)) {
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if(default_instance != NULL && !uip_is_addr_mcast(&UIP_IP_BUF->destipaddr)) {
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rpl_update_header_empty();
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rpl_update_header_empty();
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}
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}
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#endif
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}
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}
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/*---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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