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Keepalive values can be configured at run time with LWIP_TCP_KEEPALIVE, but don't change this unless you know what you're doing (default are RFC1122 compliant). Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set in seconds.

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Old TCP_KEEPALIVE can always be used, and its only difference with TCP_KEEPIDLE is this last use seconds and not milliseconds with setsockopt.

Some documentation (not perfect, but...):

http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.aix.commtechref/doc/commtrf2/setsockopt.htm
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fbernon
2007-03-11 15:53:43 +00:00
parent 41a84ef1d3
commit 5c65d4733b
7 changed files with 97 additions and 21 deletions
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@@ -22,6 +22,12 @@ HISTORY
* [Enter new changes just after this line - do not remove this line]
++ New features:
2007-03-11 Frédéric Bernon
* tcp.h, tcp.c, sockets.c, tcp_out.c, tcp_in.c, opt.h: Keepalive values can
be configured at run time with LWIP_TCP_KEEPALIVE, but don't change this
unless you know what you're doing (default are RFC1122 compliant). Note
that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set in seconds.
2007-03-08 Frédéric Bernon
* tcp.h: Keepalive values can be configured at compile time, but don't change