[dpdk-dev] [PATCH] table: hash: fix entry size of configurable key size ext and lru

Dumitrescu, Cristian cristian.dumitrescu at intel.com
Thu Nov 27 11:34:59 CET 2014


Hi Thomas,

Yes, we can confirm that this patch is identical to one of the fixes provided by Balazs with his set of patches which were already applied.

Sorry for not seeing this patch earlier.

Thank you, Takayuki San for doing this work and sending us the patch!

Regards,
Cristian


-----Original Message-----
From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] 
Sent: Wednesday, November 26, 2014 9:18 PM
To: Takayuki Usui; Dumitrescu, Cristian
Cc: dev at dpdk.org; Nemeth, Balazs
Subject: Re: [dpdk-dev] [PATCH] table: hash: fix entry size of configurable key size ext and lru

Hi,

2014-08-11 12:43, Takayuki Usui:
> Signed-off-by: Takayuki Usui <takayuki at midokura.com>
> ---
>  lib/librte_table/rte_table_hash_ext.c | 2 +-
>  lib/librte_table/rte_table_hash_lru.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/librte_table/rte_table_hash_ext.c b/lib/librte_table/rte_table_hash_ext.c
> index 6e26d98..8b86fab 100644
> --- a/lib/librte_table/rte_table_hash_ext.c
> +++ b/lib/librte_table/rte_table_hash_ext.c
> @@ -221,7 +221,7 @@ rte_table_hash_ext_create(void *params, int socket_id, uint32_t entry_size)
>  	/* Internal */
>  	t->bucket_mask = t->n_buckets - 1;
>  	t->key_size_shl = __builtin_ctzl(p->key_size);
> -	t->data_size_shl = __builtin_ctzl(p->key_size);
> +	t->data_size_shl = __builtin_ctzl(entry_size);
>  
>  	/* Tables */
>  	table_meta_offset = 0;
> diff --git a/lib/librte_table/rte_table_hash_lru.c b/lib/librte_table/rte_table_hash_lru.c
> index d1a4984..bf92e81 100644
> --- a/lib/librte_table/rte_table_hash_lru.c
> +++ b/lib/librte_table/rte_table_hash_lru.c
> @@ -192,7 +192,7 @@ rte_table_hash_lru_create(void *params, int socket_id, uint32_t entry_size)
>  	/* Internal */
>  	t->bucket_mask = t->n_buckets - 1;
>  	t->key_size_shl = __builtin_ctzl(p->key_size);
> -	t->data_size_shl = __builtin_ctzl(p->key_size);
> +	t->data_size_shl = __builtin_ctzl(entry_size);
>  
>  	/* Tables */
>  	table_meta_offset = 0;

A similar patch has been recently applied:
	http://dpdk.org/browse/dpdk/commit/?id=8595428e50

Cristian, as the author of this library, it would be appreciated that you
review and ack such patch. It's important to accept contributions and give
credit to the first author of a patch.

Thanks
-- 
Thomas
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