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net/mlx5: add NVGRE encap action to Direct Verbs

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This patch implements the nvgre encap action in DV flow for MLX5 PMD.

Signed-off-by: Dekel Peled <dekelp@mellanox.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>
This commit is contained in:
Dekel Peled 2018-11-01 11:37:30 +02:00 committed by Ferruh Yigit
parent 49d6465af3
commit a124cff00f
2 changed files with 42 additions and 5 deletions
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4
drivers/net/mlx5/mlx5_flow.h
View File

@ -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

43
drivers/net/mlx5/mlx5_flow_dv.c
View File

@ -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 @@ flow_dv_validate_action_l2_encap(uint64_t action_flags,
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 @@ flow_dv_validate_action_l2_decap(uint64_t action_flags,
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 @@ flow_dv_convert_encap_data(const struct rte_flow_item *items, uint8_t *buf,
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 @@ flow_dv_convert_encap_data(const struct rte_flow_item *items, uint8_t *buf,
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 @@ flow_dv_create_action_l2_encap(struct rte_eth_dev *dev,
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 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
++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_dv_create_action(struct rte_eth_dev *dev,
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 @@ flow_dv_create_action(struct rte_eth_dev *dev,
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: