net/mlx5e: Align IPsec ASO result memory to be as required by hardware

Hardware requires an alignment to 64 bytes to return ASO data. Missing
this alignment caused to unpredictable results while ASO events were
generated.

Fixes: 8518d05b8f9a ("net/mlx5e: Create Advanced Steering Operation object for IPsec")
Reported-by: Emeel Hakim <ehakim@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/de0302c572b90c9224a72868d4e0d657b6313c4b.1676797613.git.leon@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index ddd7be0..12f0443 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -129,7 +129,7 @@ struct mlx5e_ipsec_work {
 };
 
 struct mlx5e_ipsec_aso {
-       u8 ctx[MLX5_ST_SZ_BYTES(ipsec_aso)];
+       u8 __aligned(64) ctx[MLX5_ST_SZ_BYTES(ipsec_aso)];
        dma_addr_t dma_addr;
        struct mlx5_aso *aso;
        /* Protect ASO WQ access, as it is global to whole IPsec */