From d9eea403ca81f60cd535d354c77ada4c2bee8d66 Mon Sep 17 00:00:00 2001
From: Achiad Shochat <achiad@mellanox.com>
Date: Tue, 4 Aug 2015 14:05:42 +0300
Subject: [PATCH] net/mlx5_core: Introduce access function to modify RSS/LRO
params
To be used by the mlx5 Eth driver in following commit.
This is in preparation for netdev "light-weight" open/stop flow
change described in previous commit.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/mellanox/mlx5/core/transobj.c | 12 ++++++++++++
drivers/net/ethernet/mellanox/mlx5/core/transobj.h | 2 ++
include/linux/mlx5/mlx5_ifc.h | 9 ++++++++-
3 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/transobj.c b/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
index c4f3f74908ec2..e6453f61141e9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
@@ -163,6 +163,18 @@ int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
return err;
}
+int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
+ int inlen)
+{
+ u32 out[MLX5_ST_SZ_DW(modify_tir_out)];
+
+ MLX5_SET(modify_tir_in, in, tirn, tirn);
+ MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
+
+ memset(out, 0, sizeof(out));
+ return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
+}
+
void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn)
{
u32 in[MLX5_ST_SZ_DW(destroy_tir_out)];
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/transobj.h b/drivers/net/ethernet/mellanox/mlx5/core/transobj.h
index 10bd75e7d9b1d..d436c2d8b5270 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/transobj.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/transobj.h
@@ -45,6 +45,8 @@ int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen);
void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn);
int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
u32 *tirn);
+int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
+ int inlen);
void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn);
int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
u32 *tisn);
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index c60a62bba652c..469b7bda33040 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -4050,6 +4050,13 @@ struct mlx5_ifc_modify_tis_in_bits {
struct mlx5_ifc_tisc_bits ctx;
};
+struct mlx5_ifc_modify_tir_bitmask_bits {
+ u8 reserved[0x20];
+
+ u8 reserved1[0x1f];
+ u8 lro[0x1];
+};
+
struct mlx5_ifc_modify_tir_out_bits {
u8 status[0x8];
u8 reserved_0[0x18];
@@ -4071,7 +4078,7 @@ struct mlx5_ifc_modify_tir_in_bits {
u8 reserved_3[0x20];
- u8 modify_bitmask[0x40];
+ struct mlx5_ifc_modify_tir_bitmask_bits bitmask;
u8 reserved_4[0x40];
--
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