Merge pull request #1269 from tadodotcom/tmp-uip-fallback-iface

More flexibility for the fallback interface
This commit is contained in:
Simon Duquennoy 2015-10-20 11:33:14 +02:00
commit 2daa3d7377
10 changed files with 39 additions and 15 deletions

View file

@ -572,7 +572,16 @@ tcpip_ipv6_output(void)
/* This should be copied from the ext header... */
UIP_IP_BUF->proto = proto;
}
UIP_FALLBACK_INTERFACE.output();
/* Inform the other end that the destination is not reachable. If it's
* not informed routes might get lost unexpectedly until there's a need
* to send a new packet to the peer */
if(UIP_FALLBACK_INTERFACE.output() < 0) {
PRINTF("FALLBACK: output error. Reporting DST UNREACH\n");
uip_icmp6_error_output(ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR, 0);
uip_flags = 0;
tcpip_ipv6_output();
return;
}
#else
PRINTF("tcpip_ipv6_output: Destination off-link but no route\n");
#endif /* !UIP_FALLBACK_INTERFACE */