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| author |   Florian Westphal <fw@strlen.de> | 2014-07-24 16:50:35 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-07-27 22:34:36 -0700 |
| commit | e3a57d18b06179d68fcf7a0a06ad844493c65e06 (patch) | |
| tree | 8a7dcc0a88235136f76a3deb8818c439abb8a944 /Documentation/networking | |
| parent | inet: frag: remove lru list (diff) | |
| download | linux-dev-e3a57d18b06179d68fcf7a0a06ad844493c65e06.tar.xz linux-dev-e3a57d18b06179d68fcf7a0a06ad844493c65e06.zip | |
inet: frag: remove periodic secret rebuild timer
merge functionality into the eviction workqueue.
Instead of rebuilding every n seconds, take advantage of the upper
hash chain length limit.
If we hit it, mark table for rebuild and schedule workqueue.
To prevent frequent rebuilds when we're completely overloaded,
don't rebuild more than once every 5 seconds.
ipfrag_secret_interval sysctl is now obsolete and has been marked as
deprecated, it still can be changed so scripts won't be broken but it
won't have any effect. A comment is left above each unused secret_timer
variable to avoid confusion.
Joint work with Nikolay Aleksandrov.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 625c8dda4be7..e8c304e37831 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -111,11 +111,6 @@ ipfrag_low_thresh - INTEGER ipfrag_time - INTEGER Time in seconds to keep an IP fragment in memory. -ipfrag_secret_interval - INTEGER - Regeneration interval (in seconds) of the hash secret (or lifetime - for the hash secret) for IP fragments. - Default: 600 - ipfrag_max_dist - INTEGER ipfrag_max_dist is a non-negative integer value which defines the maximum "disorder" which is allowed among fragments which share a @@ -1164,11 +1159,6 @@ ip6frag_low_thresh - INTEGER ip6frag_time - INTEGER Time in seconds to keep an IPv6 fragment in memory. -ip6frag_secret_interval - INTEGER - Regeneration interval (in seconds) of the hash secret (or lifetime - for the hash secret) for IPv6 fragments. - Default: 600 - conf/default/*: Change the interface-specific default settings. |