From a88b00c14457d1a833ee903803b1c6e094fb4bd0 Mon Sep 17 00:00:00 2001 From: Alaa Hleihel Date: Sun, 10 May 2020 15:04:47 -0400 Subject: [PATCH 122/312] [netdrv] net/mlx5: Fix lowest FDB pool size Message-id: <20200510150452.10307-83-ahleihel@redhat.com> Patchwork-id: 306706 Patchwork-instance: patchwork O-Subject: [RHEL8.3 BZ 1789380 v2 82/87] net/mlx5: Fix lowest FDB pool size Bugzilla: 1789380 RH-Acked-by: Kamal Heib RH-Acked-by: Jarod Wilson RH-Acked-by: Tony Camuso RH-Acked-by: Jonathan Toppins Bugzilla: http://bugzilla.redhat.com/1789380 Upstream: v5.5 commit 93b8a7ecb7287cc9b0196f12a25b57c2462d11dc Author: Paul Blakey Date: Tue Dec 31 17:04:15 2019 +0200 net/mlx5: Fix lowest FDB pool size 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: e52c28024008 ("net/mlx5: E-Switch, Add chains and priorities") Signed-off-by: Paul Blakey Reviewed-by: Roi Dayan Signed-off-by: Saeed Mahameed Signed-off-by: Alaa Hleihel Signed-off-by: Frantisek Hrbata --- drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 121abcae993a..9d2d850463bb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -866,7 +866,7 @@ static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw) */ #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) -- 2.13.6