Hi,

> -----Original Message-----
> From: dev <dev-boun...@dpdk.org> On Behalf Of Matan Azrad
> Sent: Sunday, February 9, 2020 5:19 PM
> To: Slava Ovsiienko <viachesl...@mellanox.com>
> Cc: dev@dpdk.org; sta...@dpdk.org
> Subject: [dpdk-dev] [PATCH] net/mlx5: fix xcapsulation validation
> 
> The encapsulation and decapsulation actions are divided into 2 types:
> L2 and L3.
> In order to configure L3 xcapsulation actions the user should use both
> RAW_DECAP and RAW_ENCAP and setting the appropriated data sizes in
> their action configuration structures.
> 
> The PMD flow validation wrongly didn't detect the RAW_DECAP
> and RAW_ENCAP combination to distinguish between L3_DECAP and
> L3_ENCAP.
> Thus, some xcapsulation related validation failed.
> For example, when configuring modify header action before L3_DECAP.
> 
> Simplify the xcapsulation defines and fix the L3 xcapsulation detection
> using the action configuration data sizes.
> 
> By the way, add the hairpin validation in this area.
> 
> Fixes: d85c7b5ea59f ("net/mlx5: split hairpin flows")
> Fixes: 8ba9eee4ce32 ("net/mlx5: add raw data encap/decap to Direct Verbs")
> Cc: sta...@dpdk.org
> 
> Signed-off-by: Matan Azrad <ma...@mellanox.com>
> Acked-by: Ori Kam <or...@mellanox.com>
> ---
>  drivers/net/mlx5/mlx5_flow.c    |   9 +-
>  drivers/net/mlx5/mlx5_flow.h    |  38 +++---
>  drivers/net/mlx5/mlx5_flow_dv.c | 262 +++++++++++++++++++--------------
> -------
>  3 files changed, 146 insertions(+), 163 deletions(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
> index 144e07c..e05d799 100644
> --- a/drivers/net/mlx5/mlx5_flow.c
> +++ b/drivers/net/mlx5/mlx5_flow.c
> @@ -4154,13 +4154,16 @@ uint32_t mlx5_flow_adjust_priority(struct
> rte_eth_dev *dev, int32_t priority,
>       } items_tx;
>       struct rte_flow_expand_rss *buf = &expand_buffer.buf;
>       const struct rte_flow_action *p_actions_rx = actions;
> -     int ret;
>       uint32_t i;
>       uint32_t flow_size;
>       int hairpin_flow = 0;
>       uint32_t hairpin_id = 0;
>       struct rte_flow_attr attr_tx = { .priority = 0 };
> +     int ret = flow_drv_validate(dev, attr, items, p_actions_rx, external,
> +                                 error);
> 
> +     if (ret < 0)
> +             return NULL;
>       hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
>       if (hairpin_flow > 0) {
>               if (hairpin_flow > MLX5_MAX_SPLIT_ACTIONS) {
> @@ -4172,10 +4175,6 @@ uint32_t mlx5_flow_adjust_priority(struct
> rte_eth_dev *dev, int32_t priority,
>                                  &hairpin_id);
>               p_actions_rx = actions_rx.actions;
>       }
> -     ret = flow_drv_validate(dev, attr, items, p_actions_rx, external,
> -                             error);
> -     if (ret < 0)
> -             goto error_before_flow;
>       flow_size = sizeof(struct rte_flow);
>       rss = flow_get_rss_action(p_actions_rx);
>       if (rss)
> diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
> index 7c31bfe..791f3bd 100644
> --- a/drivers/net/mlx5/mlx5_flow.h
> +++ b/drivers/net/mlx5/mlx5_flow.h
> @@ -186,22 +186,18 @@ enum mlx5_feature_name {
>  #define MLX5_FLOW_ACTION_DEC_TTL (1u << 19)
>  #define MLX5_FLOW_ACTION_SET_MAC_SRC (1u << 20)
>  #define MLX5_FLOW_ACTION_SET_MAC_DST (1u << 21)
> -#define MLX5_FLOW_ACTION_VXLAN_ENCAP (1u << 22)
> -#define MLX5_FLOW_ACTION_VXLAN_DECAP (1u << 23)
> -#define MLX5_FLOW_ACTION_NVGRE_ENCAP (1u << 24)
> -#define MLX5_FLOW_ACTION_NVGRE_DECAP (1u << 25)
> -#define MLX5_FLOW_ACTION_RAW_ENCAP (1u << 26)
> -#define MLX5_FLOW_ACTION_RAW_DECAP (1u << 27)
> -#define MLX5_FLOW_ACTION_INC_TCP_SEQ (1u << 28)
> -#define MLX5_FLOW_ACTION_DEC_TCP_SEQ (1u << 29)
> -#define MLX5_FLOW_ACTION_INC_TCP_ACK (1u << 30)
> -#define MLX5_FLOW_ACTION_DEC_TCP_ACK (1u << 31)
> -#define MLX5_FLOW_ACTION_SET_TAG (1ull << 32)
> -#define MLX5_FLOW_ACTION_MARK_EXT (1ull << 33)
> -#define MLX5_FLOW_ACTION_SET_META (1ull << 34)
> -#define MLX5_FLOW_ACTION_METER (1ull << 35)
> -#define MLX5_FLOW_ACTION_SET_IPV4_DSCP (1ull << 36)
> -#define MLX5_FLOW_ACTION_SET_IPV6_DSCP (1ull << 37)
> +#define MLX5_FLOW_ACTION_ENCAP (1u << 22)
> +#define MLX5_FLOW_ACTION_DECAP (1u << 23)
> +#define MLX5_FLOW_ACTION_INC_TCP_SEQ (1u << 24)
> +#define MLX5_FLOW_ACTION_DEC_TCP_SEQ (1u << 25)
> +#define MLX5_FLOW_ACTION_INC_TCP_ACK (1u << 26)
> +#define MLX5_FLOW_ACTION_DEC_TCP_ACK (1u << 27)
> +#define MLX5_FLOW_ACTION_SET_TAG (1ull << 28)
> +#define MLX5_FLOW_ACTION_MARK_EXT (1ull << 29)
> +#define MLX5_FLOW_ACTION_SET_META (1ull << 30)
> +#define MLX5_FLOW_ACTION_METER (1ull << 31)
> +#define MLX5_FLOW_ACTION_SET_IPV4_DSCP (1ull << 32)
> +#define MLX5_FLOW_ACTION_SET_IPV6_DSCP (1ull << 33)
> 
>  #define MLX5_FLOW_FATE_ACTIONS \
>       (MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE | \
> @@ -211,13 +207,6 @@ enum mlx5_feature_name {
>       (MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_PORT_ID | \
>        MLX5_FLOW_ACTION_JUMP)
> 
> -#define MLX5_FLOW_ENCAP_ACTIONS
>       (MLX5_FLOW_ACTION_VXLAN_ENCAP | \
> -                              MLX5_FLOW_ACTION_NVGRE_ENCAP | \
> -                              MLX5_FLOW_ACTION_RAW_ENCAP)
> -
> -#define MLX5_FLOW_DECAP_ACTIONS
>       (MLX5_FLOW_ACTION_VXLAN_DECAP | \
> -                              MLX5_FLOW_ACTION_NVGRE_DECAP | \
> -                              MLX5_FLOW_ACTION_RAW_DECAP)
> 
>  #define MLX5_FLOW_MODIFY_HDR_ACTIONS
> (MLX5_FLOW_ACTION_SET_IPV4_SRC | \
>                                     MLX5_FLOW_ACTION_SET_IPV4_DST | \
> @@ -242,6 +231,9 @@ enum mlx5_feature_name {
> 
>  #define MLX5_FLOW_VLAN_ACTIONS
> (MLX5_FLOW_ACTION_OF_POP_VLAN | \
>                               MLX5_FLOW_ACTION_OF_PUSH_VLAN)
> +
> +#define MLX5_FLOW_XCAP_ACTIONS (MLX5_FLOW_ACTION_ENCAP |
> MLX5_FLOW_ACTION_DECAP)
> +
>  #ifndef IPPROTO_MPLS
>  #define IPPROTO_MPLS 137
>  #endif
> diff --git a/drivers/net/mlx5/mlx5_flow_dv.c
> b/drivers/net/mlx5/mlx5_flow_dv.c
> index 3daabd3..f4eac4c 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -2140,8 +2140,6 @@ struct field_modify_info modify_tcp[] = {
>   *   Holds the actions detected until now.
>   * @param[in] action
>   *   Pointer to the action structure.
> - * @param[in] attr
> - *   Pointer to flow attributes
>   * @param[out] error
>   *   Pointer to error structure.
>   *
> @@ -2151,29 +2149,22 @@ struct field_modify_info modify_tcp[] = {
>  static int
>  flow_dv_validate_action_l2_encap(uint64_t action_flags,
>                                const struct rte_flow_action *action,
> -                              const struct rte_flow_attr *attr,
>                                struct rte_flow_error *error)
>  {
>       if (!(action->conf))
>               return rte_flow_error_set(error, EINVAL,
>                                         RTE_FLOW_ERROR_TYPE_ACTION,
> action,
>                                         "configuration cannot be null");
> -     if (action_flags & (MLX5_FLOW_ENCAP_ACTIONS |
> MLX5_FLOW_DECAP_ACTIONS))
> +     if (action_flags & MLX5_FLOW_ACTION_ENCAP)
>               return rte_flow_error_set(error, EINVAL,
>                                         RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
> -                                       "can only have a single encap or"
> -                                       " decap action in a flow");
> -     if (!attr->transfer && attr->ingress)
> -             return rte_flow_error_set(error, ENOTSUP,
> -
> RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
> -                                       NULL,
> -                                       "encap action not supported for "
> -                                       "ingress");
> +                                       "can only have a single encap action
> "
> +                                       "in a flow");
>       return 0;
>  }
> 
>  /**
> - * Validate the L2 decap action.
> + * Validate a decap action.
>   *
>   * @param[in] action_flags
>   *   Holds the actions detected until now.
> @@ -2186,15 +2177,17 @@ struct field_modify_info modify_tcp[] = {
>   *   0 on success, a negative errno value otherwise and rte_errno is set.
>   */
>  static int
> -flow_dv_validate_action_l2_decap(uint64_t action_flags,
> +flow_dv_validate_action_decap(uint64_t action_flags,
>                                const struct rte_flow_attr *attr,
>                                struct rte_flow_error *error)
>  {
> -     if (action_flags & (MLX5_FLOW_ENCAP_ACTIONS |
> MLX5_FLOW_DECAP_ACTIONS))
> -             return rte_flow_error_set(error, EINVAL,
> +     if (action_flags & MLX5_FLOW_XCAP_ACTIONS)
> +             return rte_flow_error_set(error, ENOTSUP,
>                                         RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
> -                                       "can only have a single encap or"
> -                                       " decap action in a flow");
> +                                       action_flags &
> +                                       MLX5_FLOW_ACTION_DECAP ? "can
> only "
> +                                       "have a single decap action" :
> "decap"
> +                                       "after encap is not supported");
>       if (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS)
>               return rte_flow_error_set(error, EINVAL,
>                                         RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
> @@ -2209,62 +2202,21 @@ struct field_modify_info modify_tcp[] = {
>       return 0;
>  }
> 
> -/**
> - * Validate the raw encap action.
> - *
> - * @param[in] action_flags
> - *   Holds the actions detected until now.
> - * @param[in] action
> - *   Pointer to the encap action.
> - * @param[in] attr
> - *   Pointer to flow attributes
> - * @param[out] error
> - *   Pointer to error structure.
> - *
> - * @return
> - *   0 on success, a negative errno value otherwise and rte_errno is set.
> - */
> -static int
> -flow_dv_validate_action_raw_encap(uint64_t action_flags,
> -                               const struct rte_flow_action *action,
> -                               const struct rte_flow_attr *attr,
> -                               struct rte_flow_error *error)
> -{
> -     const struct rte_flow_action_raw_encap *raw_encap =
> -             (const struct rte_flow_action_raw_encap *)action->conf;
> -     if (!(action->conf))
> -             return rte_flow_error_set(error, EINVAL,
> -                                       RTE_FLOW_ERROR_TYPE_ACTION,
> action,
> -                                       "configuration cannot be null");
> -     if (action_flags & MLX5_FLOW_ENCAP_ACTIONS)
> -             return rte_flow_error_set(error, EINVAL,
> -                                       RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
> -                                       "can only have a single encap"
> -                                       " action in a flow");
> -     /* encap without preceding decap is not supported for ingress */
> -     if (!attr->transfer &&  attr->ingress &&
> -         !(action_flags & MLX5_FLOW_ACTION_RAW_DECAP))
> -             return rte_flow_error_set(error, ENOTSUP,
> -
> RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
> -                                       NULL,
> -                                       "encap action not supported for "
> -                                       "ingress");
> -     if (!raw_encap->size || !raw_encap->data)
> -             return rte_flow_error_set(error, EINVAL,
> -                                       RTE_FLOW_ERROR_TYPE_ACTION,
> action,
> -                                       "raw encap data cannot be empty");
> -     return 0;
> -}
> +const struct rte_flow_action_raw_decap empty_decap = {.data = NULL,
> .size = 0,};
> 
>  /**
> - * Validate the raw decap action.
> + * Validate the raw encap and decap actions.
>   *
> - * @param[in] action_flags
> - *   Holds the actions detected until now.
> - * @param[in] action
> + * @param[in] decap
> + *   Pointer to the decap action.
> + * @param[in] encap
>   *   Pointer to the encap action.
>   * @param[in] attr
>   *   Pointer to flow attributes
> + * @param[in/out] action_flags
> + *   Holds the actions detected until now.
> + * @param[out] actions_n
> + *   pointer to the number of actions counter.
>   * @param[out] error
>   *   Pointer to error structure.
>   *
> @@ -2272,37 +2224,63 @@ struct field_modify_info modify_tcp[] = {
>   *   0 on success, a negative errno value otherwise and rte_errno is set.
>   */
>  static int
> -flow_dv_validate_action_raw_decap(uint64_t action_flags,
> -                               const struct rte_flow_action *action,
> -                               const struct rte_flow_attr *attr,
> -                               struct rte_flow_error *error)
> +flow_dv_validate_action_raw_encap_decap
> +     (const struct rte_flow_action_raw_decap *decap,
> +      const struct rte_flow_action_raw_encap *encap,
> +      const struct rte_flow_attr *attr, uint64_t *action_flags,
> +      int *actions_n, struct rte_flow_error *error)
>  {
> -     const struct rte_flow_action_raw_decap *decap   = action-
> >conf;
> +     int ret;
> 
> -     if (action_flags & MLX5_FLOW_ENCAP_ACTIONS)
> +     if (encap && (!encap->size || !encap->data))
>               return rte_flow_error_set(error, EINVAL,
>                                         RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
> -                                       "can't have encap action before"
> -                                       " decap action");
> -     if (action_flags & MLX5_FLOW_DECAP_ACTIONS)
> -             return rte_flow_error_set(error, EINVAL,
> -                                       RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
> -                                       "can only have a single decap"
> -                                       " action in a flow");
> -     /* decap action is valid on egress only if it is followed by encap */
> -     if (attr->egress && decap &&
> -         decap->size > MLX5_ENCAPSULATION_DECISION_SIZE) {
> -             return rte_flow_error_set(error, ENOTSUP,
> -
> RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
> -                                       NULL, "decap action not supported"
> -                                       " for egress");
> -     } else if (decap && decap->size >
> MLX5_ENCAPSULATION_DECISION_SIZE &&
> -                (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS)) {
> -             return rte_flow_error_set(error, EINVAL,
> -                                       RTE_FLOW_ERROR_TYPE_ACTION,
> -                                       NULL,
> -                                       "can't have decap action "
> -                                       "after modify action");
> +                                       "raw encap data cannot be empty");
> +     if (decap && encap) {
> +             if (decap->size <= MLX5_ENCAPSULATION_DECISION_SIZE
> &&
> +                 encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
> +                     /* L3 encap. */
> +                     decap = NULL;
> +             else if (encap->size <=
> +                        MLX5_ENCAPSULATION_DECISION_SIZE &&
> +                        decap->size >
> +                        MLX5_ENCAPSULATION_DECISION_SIZE)
> +                     /* L3 decap. */
> +                     encap = NULL;
> +             else if (encap->size >
> +                        MLX5_ENCAPSULATION_DECISION_SIZE &&
> +                        decap->size >
> +                        MLX5_ENCAPSULATION_DECISION_SIZE)
> +                     /* 2 L2 actions: encap and decap. */
> +                     ;
> +             else
> +                     return rte_flow_error_set(error,
> +                             ENOTSUP,
> +                             RTE_FLOW_ERROR_TYPE_ACTION,
> +                             NULL, "unsupported too small "
> +                             "raw decap and too small raw "
> +                             "encap combination");
> +     }
> +     if (decap) {
> +             ret = flow_dv_validate_action_decap(*action_flags, attr,
> error);
> +             if (ret < 0)
> +                     return ret;
> +             *action_flags |= MLX5_FLOW_ACTION_DECAP;
> +             ++(*actions_n);
> +     }
> +     if (encap) {
> +             if (encap->size <= MLX5_ENCAPSULATION_DECISION_SIZE)
> +                     return rte_flow_error_set(error, ENOTSUP,
> +
> RTE_FLOW_ERROR_TYPE_ACTION,
> +                                               NULL,
> +                                               "small raw encap size");
> +             if (*action_flags & MLX5_FLOW_ACTION_ENCAP)
> +                     return rte_flow_error_set(error, EINVAL,
> +
> RTE_FLOW_ERROR_TYPE_ACTION,
> +                                               NULL,
> +                                               "more than one encap
> action");
> +             *action_flags |= MLX5_FLOW_ACTION_ENCAP;
> +             ++(*actions_n);
>       }
>       return 0;
>  }
> @@ -3054,7 +3032,7 @@ struct field_modify_info modify_tcp[] = {
>               return rte_flow_error_set(error, EINVAL,
> 
> RTE_FLOW_ERROR_TYPE_ACTION_CONF,
>                                         NULL, "action configuration not
> set");
> -     if (action_flags & MLX5_FLOW_ENCAP_ACTIONS)
> +     if (action_flags & MLX5_FLOW_ACTION_ENCAP)
>               return rte_flow_error_set(error, EINVAL,
>                                         RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
>                                         "can't have encap action before"
> @@ -4416,6 +4394,9 @@ struct field_modify_info modify_tcp[] = {
>       int actions_n = 0;
>       uint8_t item_ipv6_proto = 0;
>       const struct rte_flow_item *gre_item = NULL;
> +     const struct rte_flow_action_raw_decap *decap;
> +     const struct rte_flow_action_raw_encap *encap;
> +     const struct rte_flow_action_rss *rss;
>       struct rte_flow_item_tcp nic_tcp_mask = {
>               .hdr = {
>                       .tcp_flags = 0xFF,
> @@ -4425,6 +4406,7 @@ struct field_modify_info modify_tcp[] = {
>       };
>       struct mlx5_priv *priv = dev->data->dev_private;
>       struct mlx5_dev_config *dev_conf = &priv->config;
> +     uint16_t queue_index = 0xFFFF;
> 
>       if (items == NULL)
>               return -1;
> @@ -4756,16 +4738,21 @@ struct field_modify_info modify_tcp[] = {
>                                                             attr, error);
>                       if (ret < 0)
>                               return ret;
> +                     queue_index = ((const struct rte_flow_action_queue
> *)
> +                                                     (actions->conf))-
> >index;
>                       action_flags |= MLX5_FLOW_ACTION_QUEUE;
>                       ++actions_n;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_RSS:
> +                     rss = actions->conf;
>                       ret = mlx5_flow_validate_action_rss(actions,
>                                                           action_flags, dev,
>                                                           attr, item_flags,
>                                                           error);
>                       if (ret < 0)
>                               return ret;
> +                     if (rss != NULL && rss->queue_num)
> +                             queue_index = rss->queue[0];
>                       action_flags |= MLX5_FLOW_ACTION_RSS;
>                       ++actions_n;
>                       break;
> @@ -4816,45 +4803,44 @@ struct field_modify_info modify_tcp[] = {
>               case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
>               case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
>                       ret =
> flow_dv_validate_action_l2_encap(action_flags,
> -                                                            actions, attr,
> -                                                            error);
> +                                                            actions, error);
>                       if (ret < 0)
>                               return ret;
> -                     action_flags |= actions->type ==
> -
>       RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP ?
> -
>       MLX5_FLOW_ACTION_VXLAN_ENCAP :
> -
>       MLX5_FLOW_ACTION_NVGRE_ENCAP;
> +                     action_flags |= MLX5_FLOW_ACTION_ENCAP;
>                       ++actions_n;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
>               case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
> -                     ret =
> flow_dv_validate_action_l2_decap(action_flags,
> -                                                            attr, error);
> +                     ret = flow_dv_validate_action_decap(action_flags,
> attr,
> +                                                         error);
>                       if (ret < 0)
>                               return ret;
> -                     action_flags |= actions->type ==
> -
>       RTE_FLOW_ACTION_TYPE_VXLAN_DECAP ?
> -
>       MLX5_FLOW_ACTION_VXLAN_DECAP :
> -
>       MLX5_FLOW_ACTION_NVGRE_DECAP;
> +                     action_flags |= MLX5_FLOW_ACTION_DECAP;
>                       ++actions_n;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
> -                     ret =
> flow_dv_validate_action_raw_encap(action_flags,
> -                                                             actions, attr,
> -                                                             error);
> +                     ret = flow_dv_validate_action_raw_encap_decap
> +                             (NULL, actions->conf, attr, &action_flags,
> +                              &actions_n, error);
>                       if (ret < 0)
>                               return ret;
> -                     action_flags |= MLX5_FLOW_ACTION_RAW_ENCAP;
> -                     ++actions_n;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
> -                     ret =
> flow_dv_validate_action_raw_decap(action_flags,
> -                                                             actions, attr,
> -                                                             error);
> +                     decap = actions->conf;
> +                     while ((++actions)->type ==
> RTE_FLOW_ACTION_TYPE_VOID)
> +                             ;
> +                     if (actions->type !=
> RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
> +                             encap = NULL;
> +                             actions--;
> +                     } else {
> +                             encap = actions->conf;
> +                     }
> +                     ret = flow_dv_validate_action_raw_encap_decap
> +                                        (decap ? decap : &empty_decap,
> encap,
> +                                         attr, &action_flags, &actions_n,
> +                                         error);
>                       if (ret < 0)
>                               return ret;
> -                     action_flags |= MLX5_FLOW_ACTION_RAW_DECAP;
> -                     ++actions_n;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
>               case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
> @@ -5082,6 +5068,22 @@ struct field_modify_info modify_tcp[] = {
>                                                 actions,
>                                                 "no fate action is found");
>       }
> +     /* Continue validation for Xcap actions.*/
> +     if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) && (queue_index
> == 0xFFFF ||
> +         mlx5_rxq_get_type(dev, queue_index) !=
> MLX5_RXQ_TYPE_HAIRPIN)) {
> +             if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) ==
> +                 MLX5_FLOW_XCAP_ACTIONS)
> +                     return rte_flow_error_set(error, ENOTSUP,
> +
> RTE_FLOW_ERROR_TYPE_ACTION,
> +                                               NULL, "encap and decap "
> +                                               "combination arn't
> suported");
> +             if (!attr->transfer && attr->ingress && (action_flags &
> +
>       MLX5_FLOW_ACTION_ENCAP))
> +                     return rte_flow_error_set(error, ENOTSUP,
> +
> RTE_FLOW_ERROR_TYPE_ACTION,
> +                                               NULL, "encap is not
> supported"
> +                                               " for ingress traffic");
> +     }
>       return 0;
>  }
> 
> @@ -7305,10 +7307,7 @@ struct field_modify_info modify_tcp[] = {
>                               return -rte_errno;
>                       dev_flow->dv.actions[actions_n++] =
>                               dev_flow->dv.encap_decap->verbs_action;
> -                     action_flags |= actions->type ==
> -
>       RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP ?
> -
>       MLX5_FLOW_ACTION_VXLAN_ENCAP :
> -
>       MLX5_FLOW_ACTION_NVGRE_ENCAP;
> +                     action_flags |= MLX5_FLOW_ACTION_ENCAP;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
>               case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
> @@ -7318,14 +7317,11 @@ struct field_modify_info modify_tcp[] = {
>                               return -rte_errno;
>                       dev_flow->dv.actions[actions_n++] =
>                               dev_flow->dv.encap_decap->verbs_action;
> -                     action_flags |= actions->type ==
> -
>       RTE_FLOW_ACTION_TYPE_VXLAN_DECAP ?
> -
>       MLX5_FLOW_ACTION_VXLAN_DECAP :
> -
>       MLX5_FLOW_ACTION_NVGRE_DECAP;
> +                     action_flags |= MLX5_FLOW_ACTION_DECAP;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
>                       /* Handle encap with preceding decap. */
> -                     if (action_flags &
> MLX5_FLOW_ACTION_RAW_DECAP) {
> +                     if (action_flags & MLX5_FLOW_ACTION_DECAP) {
>                               if (flow_dv_create_action_raw_encap
>                                       (dev, actions, dev_flow, attr, error))
>                                       return -rte_errno;
> @@ -7340,15 +7336,11 @@ struct field_modify_info modify_tcp[] = {
>                               dev_flow->dv.actions[actions_n++] =
>                                       dev_flow->dv.encap_decap-
> >verbs_action;
>                       }
> -                     action_flags |= MLX5_FLOW_ACTION_RAW_ENCAP;
> +                     action_flags |= MLX5_FLOW_ACTION_ENCAP;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
> -                     /* Check if this decap is followed by encap. */
> -                     for (; action->type != RTE_FLOW_ACTION_TYPE_END
> &&
> -                            action->type !=
> RTE_FLOW_ACTION_TYPE_RAW_ENCAP;
> -                            action++) {
> -                     }
> -                     /* Handle decap only if it isn't followed by encap. */
> +                     while ((++action)->type ==
> RTE_FLOW_ACTION_TYPE_VOID)
> +                             ;
>                       if (action->type !=
> RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
>                               if (flow_dv_create_action_l2_decap
>                                   (dev, dev_flow, attr->transfer, error))
> @@ -7357,7 +7349,7 @@ struct field_modify_info modify_tcp[] = {
>                                       dev_flow->dv.encap_decap-
> >verbs_action;
>                       }
>                       /* If decap is followed by encap, handle it at encap.
> */
> -                     action_flags |= MLX5_FLOW_ACTION_RAW_DECAP;
> +                     action_flags |= MLX5_FLOW_ACTION_DECAP;
>                       break;
>               case RTE_FLOW_ACTION_TYPE_JUMP:
>                       jump_data = action->conf;
> --
> 1.8.3.1


Fixed warning issue, and applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh

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