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core/net: Added support for "bridge mode".

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"Bridge mode" allows devices to more easily send 802.15.4 packets as if
they were a different device. It also turns off any packet filtering
that may be implemented at layer 2. It works by allowing
`PACKETBUF_ADDR_SENDER` to be set earlier in the stack.

This is useful for implementing 6LoWPAN-ethernet bridges.

Enabled via setting `NETSTACK_CONF_BRIDGE_MODE` to 1. Disabled by
default.
This commit is contained in:
Robert Quattlebaum 2011-03-21 14:25:55 -07:00
parent 4e40cb8a8d
commit c0a693672c
4 changed files with 17 additions and 0 deletions
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5
core/net/sicslowpan.c
View file

@ -1329,6 +1329,11 @@ send_packet(rimeaddr_t *dest)
*/
packetbuf_set_addr(PACKETBUF_ADDR_RECEIVER, dest);
#if NETSTACK_CONF_BRIDGE_MODE
/* This needs to be explicitly set here for bridge mode to work */
packetbuf_set_addr(PACKETBUF_ADDR_SENDER,(void*)&uip_lladdr);
#endif
/* Force acknowledge from sender (test hardware autoacks) */
#if SICSLOWPAN_CONF_ACK_ALL
packetbuf_set_attr(PACKETBUF_ATTR_RELIABLE, 1);