d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/mlx5: create flow matcher object on Windows

Browse Source 
This commit implements the mlx5_flow_os_create_flow_matcher() API. It is
the Linux rdma-core equivalent implementation. Missing rdma-core
parameters (e.g. struct mlx5dv_flow_match_parameters) are added to file
mlx5_win_defs.h. The API allocates space to hold the PRM bits in PRM
fte_match_param format and copy the DV translated PRM bits into the
matcher struct. This matcher struct will be used later by the flow
creation API.

Signed-off-by: Ophir Munk <ophirmu@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
This commit is contained in:
Ophir Munk 2020-12-28 14:32:52 +02:00 committed by Ferruh Yigit
parent 882595159f
commit 03e1f7f760
3 changed files with 83 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
drivers/common/mlx5/windows/mlx5_win_defs.h
View File

@ -132,6 +132,63 @@ enum {
#define MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL 0x3
#endif
enum ibv_flow_flags {
IBV_FLOW_ATTR_FLAGS_ALLOW_LOOP_BACK = 1 << 0,
IBV_FLOW_ATTR_FLAGS_DONT_TRAP = 1 << 1,
IBV_FLOW_ATTR_FLAGS_EGRESS = 1 << 2,
};
enum ibv_flow_attr_type {
/* Steering according to rule specifications. */
IBV_FLOW_ATTR_NORMAL = 0x0,
/*
* Default unicast and multicast rule -
* receive all Eth traffic which isn't steered to any QP.
*/
IBV_FLOW_ATTR_ALL_DEFAULT = 0x1,
/*
* Default multicast rule -
* receive all Eth multicast traffic which isn't steered to any QP.
*/
IBV_FLOW_ATTR_MC_DEFAULT = 0x2,
/* Sniffer rule - receive all port traffic. */
IBV_FLOW_ATTR_SNIFFER = 0x3,
};
enum mlx5dv_flow_table_type {
MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX = 0x0,
MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX = 0x1,
MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB = 0x2,
MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_RX = 0x3,
};
#define MLX5DV_FLOW_TABLE_TYPE_NIC_RX MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX
#define MLX5DV_FLOW_TABLE_TYPE_NIC_TX MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX
#define MLX5DV_FLOW_TABLE_TYPE_FDB MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB
#define MLX5DV_FLOW_TABLE_TYPE_RDMA_RX MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_RX
struct mlx5dv_flow_match_parameters {
size_t match_sz;
uint64_t match_buf[]; /* Device spec format */
};
struct mlx5dv_flow_matcher_attr {
enum ibv_flow_attr_type type;
uint32_t flags; /* From enum ibv_flow_flags. */
uint16_t priority;
uint8_t match_criteria_enable; /* Device spec format. */
struct mlx5dv_flow_match_parameters *match_mask;
uint64_t comp_mask; /* Use mlx5dv_flow_matcher_attr_mask. */
enum mlx5dv_flow_table_type ft_type;
};
/* Windows specific mlx5_matcher. */
struct mlx5_matcher {
void *ctx;
struct mlx5dv_flow_matcher_attr attr;
uint64_t match_buf[];
};
struct mlx5_err_cqe {
uint8_t rsvd0[32];
uint32_t srqn;

32
drivers/net/mlx5/windows/mlx5_flow_os.c
View File

@ -76,12 +76,31 @@ mlx5_flow_os_create_flow_matcher(void *ctx,
void *table,
void **matcher)
{
RTE_SET_USED(ctx);
RTE_SET_USED(attr);
struct mlx5dv_flow_matcher_attr *mattr;
RTE_SET_USED(table);
*matcher = NULL;
rte_errno = ENOTSUP;
return -rte_errno;
mattr = attr;
if (mattr->type != IBV_FLOW_ATTR_NORMAL) {
rte_errno = ENOTSUP;
return -rte_errno;
}
struct mlx5_matcher *mlx5_matcher =
mlx5_malloc(MLX5_MEM_ZERO,
sizeof(struct mlx5_matcher) +
MLX5_ST_SZ_BYTES(fte_match_param),
0, SOCKET_ID_ANY);
if (!mlx5_matcher) {
rte_errno = ENOMEM;
return -rte_errno;
}
mlx5_matcher->ctx = ctx;
memcpy(&mlx5_matcher->attr, attr, sizeof(mlx5_matcher->attr));
memcpy(&mlx5_matcher->match_buf,
mattr->match_mask->match_buf,
MLX5_ST_SZ_BYTES(fte_match_param));
*matcher = mlx5_matcher;
return 0;
}
/**
@ -96,9 +115,8 @@ mlx5_flow_os_create_flow_matcher(void *ctx,
int
mlx5_flow_os_destroy_flow_matcher(void *matcher)
{
RTE_SET_USED(matcher);
rte_errno = ENOTSUP;
return -rte_errno;
mlx5_free(matcher);
return 0;
}
/**

1
drivers/net/mlx5/windows/mlx5_flow_os.h
View File

@ -6,6 +6,7 @@
#define RTE_PMD_MLX5_FLOW_OS_H_
#include "mlx5_flow.h"
#include "mlx5_malloc.h"
#if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
extern const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops;