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| author | David S. Miller <davem@davemloft.net> | 2012-07-17 13:19:00 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-17 17:48:50 +0200 |
| commit | 4895c771c7f006b4b90f9d6b1d2210939ba57b38 (patch) | |
| tree | 66b132799e33a215b88bf3945965fefa7a0cde24 /Documentation/serial-console.txt | |
| parent | net: Pass optional SKB and SK arguments to dst_ops->{update_pmtu,redirect}() (diff) | |
| download | linux-4895c771c7f006b4b90f9d6b1d2210939ba57b38.tar.xz linux-4895c771c7f006b4b90f9d6b1d2210939ba57b38.zip | |
ipv4: Add FIB nexthop exceptions.
In a regime where we have subnetted route entries, we need a way to
store persistent storage about destination specific learned values
such as redirects and PMTU values.
This is implemented here via nexthop exceptions.
The initial implementation is a 2048 entry hash table with relaiming
starting at chain length 5. A more sophisticated scheme can be
devised if that proves necessary.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/serial-console.txt')
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