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net/mlx5: Fix lowest FDB pool size

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commit 93b8a7ecb7287cc9b0196f12a25b57c2462d11dc upstream.

The pool sizes represent the pool sizes in the fw. when we request
a pool size from fw, it will return the next possible group.
We track how many pools the fw has left and start requesting groups
from the big to the small.
When we start request 4k group, which doesn't exists in fw, fw
wants to allocate the next possible size, 64k, but will fail since
its exhausted. The correct smallest pool size in fw is 128 and not 4k.

Fixes: e52c280240 ("net/mlx5: E-Switch, Add chains and priorities")
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paul Blakey 2019-12-31 17:04:15 +02:00 • committed by Greg Kroah-Hartman
commit 36940c4daa
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
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@ -858,7 +858,7 @@ out:
*/
#define ESW_SIZE (16 * 1024 * 1024)
const unsigned int ESW_POOLS[4] = { 4 * 1024 * 1024, 1 * 1024 * 1024,
64 * 1024, 4 * 1024 };
64 * 1024, 128 };
static int
get_sz_from_pool(struct mlx5_eswitch *esw)