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net: align static siphash keys

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siphash keys use 16 bytes.

Define siphash_aligned_key_t macro so that we can make sure they
are not crossing a cache line boundary.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2021-11-15 09:23:03 -08:00
committed by Jakub Kicinski
parent 7071732c26
commit 49ecc2e9c3
11 changed files with 14 additions and 12 deletions
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2
include/linux/siphash.h
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@@ -21,6 +21,8 @@ typedef struct {
u64 key[2];
} siphash_key_t;
#define siphash_aligned_key_t siphash_key_t __aligned(16)
static inline bool siphash_key_is_zero(const siphash_key_t *key)
{
return !(key->key[0] | key->key[1]);