diff options
| author | Florian Westphal <fw@strlen.de> | 2024-02-08 10:31:29 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2024-02-08 12:24:02 +0100 |
| commit | 5a8cdf6fd860ac5e6d08d72edbcecee049a7fec4 (patch) | |
| tree | f6300ea55eb89b9ae57553e9c2e976b75e275eb4 /net/netfilter/nft_set_pipapo.h | |
| parent | 47b1c03c3c1a119435480a1e73f27197dc59131d (diff) | |
netfilter: nft_set_pipapo: remove scratch_aligned pointer
use ->scratch for both avx2 and the generic implementation.
After previous change the scratch->map member is always aligned properly
for AVX2, so we can just use scratch->map in AVX2 too.
The alignoff delta is stored in the scratchpad so we can reconstruct
the correct address to free the area again.
Fixes: 7400b063969b ("nft_set_pipapo: Introduce AVX2-based lookup implementation")
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nft_set_pipapo.h')
| -rw-r--r-- | net/netfilter/nft_set_pipapo.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/netfilter/nft_set_pipapo.h b/net/netfilter/nft_set_pipapo.h index d3bc1551694f..f59a0cd81105 100644 --- a/net/netfilter/nft_set_pipapo.h +++ b/net/netfilter/nft_set_pipapo.h @@ -133,10 +133,12 @@ struct nft_pipapo_field { /** * struct nft_pipapo_scratch - percpu data used for lookup and matching * @map_index: Current working bitmap index, toggled between field matches + * @align_off: Offset to get the originally allocated address * @map: store partial matching results during lookup */ struct nft_pipapo_scratch { u8 map_index; + u32 align_off; unsigned long map[]; }; @@ -144,16 +146,12 @@ struct nft_pipapo_scratch { * struct nft_pipapo_match - Data used for lookup and matching * @field_count Amount of fields in set * @scratch: Preallocated per-CPU maps for partial matching results - * @scratch_aligned: Version of @scratch aligned to NFT_PIPAPO_ALIGN bytes * @bsize_max: Maximum lookup table bucket size of all fields, in longs * @rcu Matching data is swapped on commits * @f: Fields, with lookup and mapping tables */ struct nft_pipapo_match { int field_count; -#ifdef NFT_PIPAPO_ALIGN - struct nft_pipapo_scratch * __percpu *scratch_aligned; -#endif struct nft_pipapo_scratch * __percpu *scratch; size_t bsize_max; struct rcu_head rcu; |