[dpdk-dev] [PATCH v7 4/7] net/mlx5: add NVGRE encap action to Direct Verbs
Dekel Peled
dekelp at mellanox.com
Wed Oct 31 08:10:44 CET 2018
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,
+ 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
More information about the dev
mailing list