This patch implements the nvgre encap action in DV flow for MLX5 PMD.
Signed-off-by: Dekel Peled <dek...@mellanox.com>
---
drivers/net/mlx5/mlx5_flow.h | 4 ++++
drivers/net/mlx5/mlx5_flow_dv.c | 43 ++++++++++++++++++++++++++++++++++++-----
2 files changed, 42 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 9ea19a4..7c29606 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -25,6 +25,7 @@
#include <rte_flow_driver.h>
#include <rte_malloc.h>
#include <rte_ip.h>
+#include <rte_gre.h>
#include "mlx5.h"
#include "mlx5_defs.h"
@@ -126,7 +127,7 @@
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 +164,7 @@
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,
@@ -268,6 +269,7 @@
struct udp_hdr *udp = NULL;
struct vxlan_hdr *vxlan = NULL;
struct vxlan_gpe_hdr *vxlan_gpe = NULL;
+ struct gre_hdr *gre = NULL;
size_t len;
size_t temp_size = 0;
@@ -378,6 +380,24 @@
vxlan_gpe->vx_flags =
MLX5_ENCAP_VXLAN_GPE_FLAGS;
break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ gre = (struct gre_hdr *)&buf[temp_size];
+ if (!gre->proto)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "next protocol not found");
+ if (!ipv4 && !ipv6)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ (void *)items->type,
+ "ip header not found");
+ if (ipv4 && !ipv4->next_proto_id)
+ ipv4->next_proto_id = IPPROTO_GRE;
+ else if (ipv6 && !ipv6->proto)
+ ipv6->proto = IPPROTO_GRE;
+ break;
case RTE_FLOW_ITEM_TYPE_VOID:
break;
default:
@@ -418,7 +438,11 @@
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);
@@ -707,12 +731,17 @@
++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:
@@ -1494,6 +1523,7 @@
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 =
@@ -1503,7 +1533,10 @@
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
