From cb6d3c0f1baeaa554557a4203fe40142e2d67b92 Mon Sep 17 00:00:00 2001 From: Emeel Hakim Date: Wed, 21 Sep 2022 11:10:48 -0700 Subject: [PATCH] net/mlx5e: Fix MACsec initial packet number Currently when creating MACsec object, next_pn which represents the initial packet number (PN) is considered only in TX flow. The above causes mismatch between TX and RX initial PN which is reflected in packet drops. Fix by considering next_pn in RX flow too. Fixes: aae3454e4d4c ("net/mlx5e: Add MACsec offload Rx command support") Signed-off-by: Emeel Hakim Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index 0600c03ccc735..5162863fa630d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -107,12 +107,11 @@ static int mlx5e_macsec_create_object(struct mlx5_core_dev *mdev, MLX5_SET64(macsec_offload_obj, obj, sci, (__force u64)(attrs->sci)); MLX5_SET(macsec_offload_obj, obj, aso_return_reg, MLX5_MACSEC_ASO_REG_C_4_5); MLX5_SET(macsec_offload_obj, obj, macsec_aso_access_pd, attrs->aso_pdn); + MLX5_SET(macsec_aso, aso_ctx, mode_parameter, attrs->next_pn); MLX5_SET(macsec_aso, aso_ctx, valid, 0x1); - if (is_tx) { + if (is_tx) MLX5_SET(macsec_aso, aso_ctx, mode, MLX5_MACSEC_ASO_INC_SN); - MLX5_SET(macsec_aso, aso_ctx, mode_parameter, attrs->next_pn); - } /* general object fields set */ MLX5_SET(general_obj_in_cmd_hdr, in, opcode, MLX5_CMD_OP_CREATE_GENERAL_OBJECT); -- 2.30.2