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inet: remove old fragmentation hash initializing

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All fragmentation hash secrets now get initialized by their
corresponding hash function with net_get_random_once. Thus we can
eliminate the initial seeding.

Also provide a comment that hash secret seeding happens at the first
call to the corresponding hashing function.

Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hannes Frederic Sowa 2013-10-23 11:06:57 +02:00 • committed by David S. Miller
parent b1190570b4
commit 7088ad74e6
2 changed files with 4 additions and 3 deletions
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4
include/net/inet_frag.h
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@ -64,6 +64,10 @@ struct inet_frags {
rwlock_t lock ____cacheline_aligned_in_smp;
int secret_interval;
struct timer_list secret_timer;
/* The first call to hashfn is responsible to initialize
* rnd. This is best done with net_get_random_once.
*/
u32 rnd;
int qsize;