[dpdk-dev] [PATCH v7 4/7] net/mlx5: add NVGRE encap action to Direct Verbs
Shahaf Shuler
shahafs at mellanox.com
Wed Oct 31 16:09:54 CET 2018
Wednesday, October 31, 2018 9:11 AM, Dekel Peled:
> Subject: [dpdk-dev] [PATCH v7 4/7] net/mlx5: add NVGRE encap action to
> Direct Verbs
>
> This patch implements the nvgre encap action in DV flow for MLX5 PMD.
>
> Signed-off-by: Dekel Peled <dekelp at mellanox.com>
> ---
> drivers/net/mlx5/mlx5_flow.h | 4 ++++
> drivers/net/mlx5/mlx5_flow_dv.c | 37
> ++++++++++++++++++++++++++++++++-----
> 2 files changed, 36 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
> index 8955a12..c03a3af 100644
> --- a/drivers/net/mlx5/mlx5_flow.h
> +++ b/drivers/net/mlx5/mlx5_flow.h
> @@ -94,10 +94,14 @@
> #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_FATE_ACTIONS \
> (MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE |
> MLX5_FLOW_ACTION_RSS)
>
> +#define MLX5_FLOW_ENCAP_ACTIONS \
> + (MLX5_FLOW_ACTION_VXLAN_ENCAP |
> MLX5_FLOW_ACTION_NVGRE_ENCAP)
> +
> #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 7de65bb..7078397 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -126,7 +126,7 @@
> return rte_flow_error_set(error, EINVAL,
> RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
> "can't drop and encap in same
> flow");
> - if (action_flags & (MLX5_FLOW_ACTION_VXLAN_ENCAP |
> + if (action_flags & (MLX5_FLOW_ENCAP_ACTIONS |
> MLX5_FLOW_ACTION_VXLAN_DECAP))
> return rte_flow_error_set(error, EINVAL,
> RTE_FLOW_ERROR_TYPE_ACTION,
> NULL, @@ -163,7 +163,7 @@
> return rte_flow_error_set(error, EINVAL,
> RTE_FLOW_ERROR_TYPE_ACTION,
> NULL,
> "can't drop and decap in same
> flow");
> - if (action_flags & (MLX5_FLOW_ACTION_VXLAN_ENCAP |
> + if (action_flags & (MLX5_FLOW_ENCAP_ACTIONS |
> MLX5_FLOW_ACTION_VXLAN_DECAP))
> return rte_flow_error_set(error, EINVAL,
> RTE_FLOW_ERROR_TYPE_ACTION,
> NULL, @@ -376,6 +376,20 @@
> vxlan->vx_flags =
>
> RTE_BE32(MLX5_VXLAN_GPE_FLAGS);
> break;
> + case RTE_FLOW_ITEM_TYPE_GRE:
> + case RTE_FLOW_ITEM_TYPE_NVGRE:
> + if (!ipv4 && !ipv6)
> + return rte_flow_error_set(error, EINVAL,
> +
> RTE_FLOW_ERROR_TYPE_ACTION,
> + (void *)item->type,
> + "ip header not found");
> + if ((ipv4 && !ipv4->next_proto_id) ||
> + (ipv6 && !ipv6->proto))
> + return rte_flow_error_set(error, EINVAL,
Same comment like in the VXLAN-GPE. It is not the ip next proto you need to check it is the GRE protocol.
> +
> RTE_FLOW_ERROR_TYPE_ACTION,
> + (void *)item->type,
> + "next protocol not found");
> + break;
> case RTE_FLOW_ITEM_TYPE_VOID:
> break;
> default:
> @@ -416,7 +430,11 @@
> size_t size = 0;
> int convert_result = 0;
>
> - encap_data = ((const struct rte_flow_action_vxlan_encap *)
> + if (action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP)
> + encap_data = ((const struct rte_flow_action_vxlan_encap *)
> + action->conf)->definition;
> + else
> + encap_data = ((const struct rte_flow_action_nvgre_encap *)
> action->conf)->definition;
> convert_result = flow_dv_convert_encap_data(encap_data, buf,
> &size, error);
> @@ -705,12 +723,17 @@
> ++actions_n;
> break;
> 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);
> if (ret < 0)
> return ret;
> - action_flags |=
> MLX5_FLOW_ACTION_VXLAN_ENCAP;
> + action_flags |= actions->type ==
> +
> RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP ?
> +
> MLX5_FLOW_ACTION_VXLAN_ENCAP :
> +
> MLX5_FLOW_ACTION_NVGRE_ENCAP;
> +
> ++actions_n;
> break;
> case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
> @@ -1492,6 +1515,7 @@
> flow->actions |= MLX5_FLOW_ACTION_RSS;
> break;
> case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
> + case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
> dev_flow->dv.actions[actions_n].type =
> MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
> dev_flow->dv.actions[actions_n].action = @@ -1501,7
> +1525,10 @@
> return -rte_errno;
> dev_flow->dv.encap_decap_verbs_action =
> dev_flow->dv.actions[actions_n].action;
> - flow->actions |= MLX5_FLOW_ACTION_VXLAN_ENCAP;
> + flow->actions |= action->type ==
> + RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP ?
> + MLX5_FLOW_ACTION_VXLAN_ENCAP :
> + MLX5_FLOW_ACTION_NVGRE_ENCAP;
> actions_n++;
> break;
> case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
> --
> 1.8.3.1
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