ip frag tuner improvements #110
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correlate increases in ip frag memory with fragmentation error rate. if increasing memory is not helping - just allowing us to defrag more bad packets - we should see a correlation between fragmentation memory increase and fragmentation error rate. If this is observed, reduce fragmentation memory. Helps protect against bad actors that send bad frags and could bloat frag memory. Add functions to read snmp stats from /proc/net/snmp[6] ; needed to compute frag rate. Also allow computation of correlation in userspace. Signed-off-by: Alan Maguire <[email protected]>
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correlate increases in ip frag memory with fragmentation error rate. if increasing memory is not helping - just allowing us to defrag more bad packets - we should see a correlation between fragmentation memory increase and fragmentation error rate. If this is observed, reduce fragmentation memory. Helps protect against bad actors that send bad frags and could bloat frag memory.
Add functions to read snmp stats from /proc/net/snmp[6] ; needed to compute frag rate. Also allow computation of correlation in userspace.