[lwip-devel] [patch #5779] Tunning TCP KeepAlives values

[Frédéric Bernon]

URL:
  <http://savannah.nongnu.org/patch/?5779>

                 Summary: Tunning TCP KeepAlives values
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: fbernon
            Submitted on: dimanche 04.03.2007 à 14:40
                Category: None
                Priority: 5 - Normal
                  Status: In Progress
                 Privacy: Public
             Assigned to: fbernon
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

In the forum's thread "Questions about LwIP KEEPALIVE..." (19th February
2007), I have propose to let the possibility to redefine in lwipopts.h values
for "keepalives". This will be something like :

/* Keepalive values */
#define  TCP_KEEPDEFAULT   7200000                       /* KEEPALIVE timer
in miliseconds */

#ifndef  TCP_KEEPINTVL
#define  TCP_KEEPINTVL     75000                         /* Time between
KEEPALIVE probes in miliseconds */
#endif

#ifndef  TCP_KEEPCNT
#define  TCP_KEEPCNT       9                             /* Counter for
KEEPALIVE probes */
#endif

#define  TCP_MAXIDLE       TCP_KEEPCNT * TCP_KEEPINTVL   /* Maximum KEEPALIVE
probe time */

Is it ok for you?





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