Ping stress (>=990 bytes)
kjrobert at alumni.uwaterloo.ca
Mon Aug 18 16:41:11 UTC 2008
Gene Smith wrote:
> Another question on dropped packets. I am able to ping (even flood ping)
> up to a length of 980 bytes with no loss. When I go over this my tcp/ip
> stack seem to go bad. Regular pings (56 bytes) sometimes don't respond,
> or responds with a huge amount of data (1022 bytes). Is there a maximum
> ping length in rtems? I see no bad stats in netdemo. My (newly made)
> driver has buffers for 1536 bytes.
> Wondering if others can ping the rtems stack with >=990 bytes?
On rtems 4.8.1 (and earlier as well), I can successfully ping rtems
devices with packets of 65507 bytes (the icmp max). It takes longer,
but it works fine.
This is on the powerpc/virtex bsp.
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