0000104: ip routing without ethernet (aka enc28j60) not working correct

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Reproducibility

Date Submitted

Last Update

0000104

[ethersex] Bug

major

always

2010-06-14 13:39

2010-06-14 16:15

Reporter

murdok

View Status

public

Assigned To

stettberger

Priority

normal

Resolution

fixed

Status

resolved

Summary

0000104: ip routing without ethernet (aka enc28j60) not working correct

Description

router_find_stack function tries to find stack which is allowed to serve target ip address (own or netmask match).
if it fails in first instance it tries again with default gateway address.

With no enc28j60 enabled (and therefore no ETHERNET_SUPPORT enabled) ther is no eeprom configuration and also no default gateway.
This is needed if you try to connect to an ip or route through to an ip that is not in range of any netmask of connected buses(stacks).

Therefor i recommend to at least set a common default gateway address even if no enc28j60 is enabled.

this could be placed in network_init function.

see patch:

--- ethersex/network.c 2010-06-03 15:51:34.000000000 +0200
+++ ethersex_patched/network.c 2010-06-14 13:38:26.000000000 +0200
@@ -138,6 +138,11 @@
# else
uip_arp_init();
# endif
+# else /* ETHERNET_SUPPORT */
+ /* set at least fixed default gateway address
+ * to allow multi stack routing */
+ set_CONF_ETHERRAPE_GATEWAY(&ip);
+ uip_setdraddr(&ip);
# endif /* ETHERNET_SUPPORT */

}

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Notes
(0000099) stettberger (manager) 2010-06-14 16:15	Thank you for reporting. Fixed as you proposed.

Issue History
Date Modified	Username	Field	Change
2010-06-14 13:39	murdok	New Issue
2010-06-14 16:15	stettberger	Note Added: 0000099
2010-06-14 16:15	stettberger	Assigned To	=> stettberger
2010-06-14 16:15	stettberger	Status	new => resolved
2010-06-14 16:15	stettberger	Resolution	open => fixed

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