[Contiki-commits] contiki-2.x/core/net uip-over-mesh.c,1.11,1.12

[Adam D. <ada...@us...>]

Update of /cvsroot/contiki/contiki-2.x/core/net
In directory ddv4jf1.ch3.sourceforge.com:/tmp/cvs-serv30755/net

Modified Files:
	uip-over-mesh.c 
Log Message:
Tag outgoing TCP packets with the ERELIABLE attribute so that an underlying power-saving MAC protocol can treat them differently, because it knows that an ACK might be arriving soon

Index: uip-over-mesh.c
===================================================================
RCS file: /cvsroot/contiki/contiki-2.x/core/net/uip-over-mesh.c,v
retrieving revision 1.11
retrieving revision 1.12
diff -C2 -d -r1.11 -r1.12
*** uip-over-mesh.c	12 Mar 2009 21:58:20 -0000	1.11
--- uip-over-mesh.c	29 Apr 2009 11:40:33 -0000	1.12
***************
*** 234,238 ****
    
    packetbuf_copyfrom(&uip_buf[UIP_LLH_LEN], uip_len);
!   
    rt = route_lookup(&receiver);
    if(rt == NULL) {
--- 234,245 ----
    
    packetbuf_copyfrom(&uip_buf[UIP_LLH_LEN], uip_len);
! 
!   /* Send TCP data with the PACKETBUF_ATTR_ERELIABLE set so that
!      an underlying power-saving MAC layer knows that it should be
!      waiting for an ACK. */
!   if(BUF->proto == UIP_PROTO_TCP) {
!     packetbuf_set_attr(PACKETBUF_ATTR_ERELIABLE, 1);
!   }
! 
    rt = route_lookup(&receiver);
    if(rt == NULL) {