[PATCH 1/9] net/mlx5: update flex parser arc types support

[Viacheslav Ovsiienko]

Add support for input IPv4 and for ESP output flex parser arcs.

Signed-off-by: Viacheslav Ovsiienko <viachesl...@nvidia.com>
---
 drivers/net/mlx5/mlx5_flow_flex.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/net/mlx5/mlx5_flow_flex.c 
b/drivers/net/mlx5/mlx5_flow_flex.c
index 8a02247406..5b104d583c 100644
--- a/drivers/net/mlx5/mlx5_flow_flex.c
+++ b/drivers/net/mlx5/mlx5_flow_flex.c
@@ -1111,6 +1111,8 @@ mlx5_flex_arc_type(enum rte_flow_item_type type, int in)
                return MLX5_GRAPH_ARC_NODE_GENEVE;
        case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
                return MLX5_GRAPH_ARC_NODE_VXLAN_GPE;
+       case RTE_FLOW_ITEM_TYPE_ESP:
+               return MLX5_GRAPH_ARC_NODE_IPSEC_ESP;
        default:
                return -EINVAL;
        }
@@ -1148,6 +1150,22 @@ mlx5_flex_arc_in_udp(const struct rte_flow_item *item,
        return rte_be_to_cpu_16(spec->hdr.dst_port);
 }
 
+static int
+mlx5_flex_arc_in_ipv4(const struct rte_flow_item *item,
+                     struct rte_flow_error *error)
+{
+       const struct rte_flow_item_ipv4 *spec = item->spec;
+       const struct rte_flow_item_ipv4 *mask = item->mask;
+       struct rte_flow_item_ipv4 ip = { .hdr.next_proto_id = 0xff };
+
+       if (memcmp(mask, &ip, sizeof(struct rte_flow_item_ipv4))) {
+               return rte_flow_error_set
+                       (error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item,
+                        "invalid ipv4 item mask, full mask is desired");
+       }
+       return spec->hdr.next_proto_id;
+}
+
 static int
 mlx5_flex_arc_in_ipv6(const struct rte_flow_item *item,
                      struct rte_flow_error *error)
@@ -1210,6 +1228,9 @@ mlx5_flex_translate_arc_in(struct mlx5_hca_flex_attr 
*attr,
                case RTE_FLOW_ITEM_TYPE_UDP:
                        ret = mlx5_flex_arc_in_udp(rte_item, error);
                        break;
+               case RTE_FLOW_ITEM_TYPE_IPV4:
+                       ret = mlx5_flex_arc_in_ipv4(rte_item, error);
+                       break;
                case RTE_FLOW_ITEM_TYPE_IPV6:
                        ret = mlx5_flex_arc_in_ipv6(rte_item, error);
                        break;
-- 
2.34.1