From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id B042EA0A02; Wed, 24 Mar 2021 16:05:26 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B529E140F08; Wed, 24 Mar 2021 16:04:55 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by mails.dpdk.org (Postfix) with ESMTP id 85F6C140ED3 for ; Wed, 24 Mar 2021 16:04:47 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from akozyrev@nvidia.com) with SMTP; 24 Mar 2021 17:04:41 +0200 Received: from nvidia.com (pegasus02.mtr.labs.mlnx [10.210.16.122]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 12OF4fhJ002053; Wed, 24 Mar 2021 17:04:41 +0200 From: Alexander Kozyrev To: dev@dpdk.org Cc: rasland@nvidia.com, viacheslavo@nvidia.com, matan@nvidia.com, orika@nvidia.com, stable@dpdk.org Date: Wed, 24 Mar 2021 15:04:36 +0000 Message-Id: <20210324150439.9247-4-akozyrev@nvidia.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20210324150439.9247-1-akozyrev@nvidia.com> References: <20210324150439.9247-1-akozyrev@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v2 3/6] net/mlx5: check extended metadata for mark modififcation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The MODIFY_FIELD RTE action requires the extended metadata support in order to manipulate on MARK register. Check if it is supported and reject the MODIFY_FIELD action if it is not. Fixes: 641dbe4fb0 ("net/mlx5: support modify field flow action") Cc: stable@dpdk.org Signed-off-by: Alexander Kozyrev --- drivers/net/mlx5/mlx5_flow_dv.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c index a1e4e2e5df..f2bc3162c1 100644 --- a/drivers/net/mlx5/mlx5_flow_dv.c +++ b/drivers/net/mlx5/mlx5_flow_dv.c @@ -4542,7 +4542,8 @@ mlx5_flow_item_field_width(enum rte_flow_field_id field) /** * Validate the generic modify field actions. - * + * @param[in] dev + * Pointer to the rte_eth_dev structure. * @param[in] action_flags * Holds the actions detected until now. * @param[in] action @@ -4557,11 +4558,14 @@ mlx5_flow_item_field_width(enum rte_flow_field_id field) * a negative errno value otherwise and rte_errno is set. */ static int -flow_dv_validate_action_modify_field(const uint64_t action_flags, +flow_dv_validate_action_modify_field(struct rte_eth_dev *dev, + const uint64_t action_flags, const struct rte_flow_action *action, struct rte_flow_error *error) { int ret = 0; + struct mlx5_priv *priv = dev->data->dev_private; + struct mlx5_dev_config *config = &priv->config; const struct rte_flow_action_modify_field *action_modify_field = action->conf; uint32_t dst_width = @@ -4640,6 +4644,15 @@ flow_dv_validate_action_modify_field(const uint64_t action_flags, NULL, "modifications of an arbitrary" " place in a packet is not supported"); + if (action_modify_field->dst.field == RTE_FLOW_FIELD_MARK || + action_modify_field->src.field == RTE_FLOW_FIELD_MARK) { + if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY || + !mlx5_flow_ext_mreg_supported(dev)) + return rte_flow_error_set(error, ENOTSUP, + RTE_FLOW_ERROR_TYPE_ACTION, action, + "cannot modify mark without extended" + " metadata register support"); + } if (action_modify_field->operation != RTE_FLOW_MODIFY_SET) return rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, @@ -6914,9 +6927,10 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr, RTE_FLOW_ERROR_TYPE_ACTION, NULL, "modify field action " "is not supported for group 0"); - ret = flow_dv_validate_action_modify_field(action_flags, - actions, - error); + ret = flow_dv_validate_action_modify_field(dev, + action_flags, + actions, + error); if (ret < 0) return ret; /* Count all modify-header actions as one action. */ -- 2.24.1