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Date: Thu, 26 Jan 2023 08:58:37 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
edumazet@...gle.com, michael.chan@...adcom.com,
jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
tariqt@...dia.com, saeedm@...dia.com, leon@...nel.org,
idosch@...dia.com, petrm@...dia.com, simon.horman@...igine.com,
aelior@...vell.com, manishc@...vell.com, jacob.e.keller@...el.com,
gal@...dia.com, yinjun.zhang@...igine.com, fei.qin@...igine.com,
Niklas.Cassel@....com
Subject: [patch net-next v2 11/12] net/mlx5: Move flow steering devlink param to flow steering code
From: Jiri Pirko <jiri@...dia.com>
Move the param registration and handling code into the flow steering
code as they are related to each other. No point in having the
devlink param registration done in separate file.
Signed-off-by: Jiri Pirko <jiri@...dia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
---
.../net/ethernet/mellanox/mlx5/core/devlink.c | 69 ---------------
.../net/ethernet/mellanox/mlx5/core/fs_core.c | 84 ++++++++++++++++++-
2 files changed, 83 insertions(+), 70 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index 8bda15dda0d7..5918c8c3e943 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -396,70 +396,6 @@ void mlx5_devlink_free(struct devlink *devlink)
devlink_free(devlink);
}
-static int mlx5_devlink_fs_mode_validate(struct devlink *devlink, u32 id,
- union devlink_param_value val,
- struct netlink_ext_ack *extack)
-{
- struct mlx5_core_dev *dev = devlink_priv(devlink);
- char *value = val.vstr;
- int err = 0;
-
- if (!strcmp(value, "dmfs")) {
- return 0;
- } else if (!strcmp(value, "smfs")) {
- u8 eswitch_mode;
- bool smfs_cap;
-
- eswitch_mode = mlx5_eswitch_mode(dev);
- smfs_cap = mlx5_fs_dr_is_supported(dev);
-
- if (!smfs_cap) {
- err = -EOPNOTSUPP;
- NL_SET_ERR_MSG_MOD(extack,
- "Software managed steering is not supported by current device");
- }
-
- else if (eswitch_mode == MLX5_ESWITCH_OFFLOADS) {
- NL_SET_ERR_MSG_MOD(extack,
- "Software managed steering is not supported when eswitch offloads enabled.");
- err = -EOPNOTSUPP;
- }
- } else {
- NL_SET_ERR_MSG_MOD(extack,
- "Bad parameter: supported values are [\"dmfs\", \"smfs\"]");
- err = -EINVAL;
- }
-
- return err;
-}
-
-static int mlx5_devlink_fs_mode_set(struct devlink *devlink, u32 id,
- struct devlink_param_gset_ctx *ctx)
-{
- struct mlx5_core_dev *dev = devlink_priv(devlink);
- enum mlx5_flow_steering_mode mode;
-
- if (!strcmp(ctx->val.vstr, "smfs"))
- mode = MLX5_FLOW_STEERING_MODE_SMFS;
- else
- mode = MLX5_FLOW_STEERING_MODE_DMFS;
- dev->priv.steering->mode = mode;
-
- return 0;
-}
-
-static int mlx5_devlink_fs_mode_get(struct devlink *devlink, u32 id,
- struct devlink_param_gset_ctx *ctx)
-{
- struct mlx5_core_dev *dev = devlink_priv(devlink);
-
- if (dev->priv.steering->mode == MLX5_FLOW_STEERING_MODE_SMFS)
- strcpy(ctx->val.vstr, "smfs");
- else
- strcpy(ctx->val.vstr, "dmfs");
- return 0;
-}
-
static int mlx5_devlink_enable_roce_validate(struct devlink *devlink, u32 id,
union devlink_param_value val,
struct netlink_ext_ack *extack)
@@ -549,11 +485,6 @@ static int mlx5_devlink_eq_depth_validate(struct devlink *devlink, u32 id,
}
static const struct devlink_param mlx5_devlink_params[] = {
- DEVLINK_PARAM_DRIVER(MLX5_DEVLINK_PARAM_ID_FLOW_STEERING_MODE,
- "flow_steering_mode", DEVLINK_PARAM_TYPE_STRING,
- BIT(DEVLINK_PARAM_CMODE_RUNTIME),
- mlx5_devlink_fs_mode_get, mlx5_devlink_fs_mode_set,
- mlx5_devlink_fs_mode_validate),
DEVLINK_PARAM_GENERIC(ENABLE_ROCE, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT),
NULL, NULL, mlx5_devlink_enable_roce_validate),
#ifdef CONFIG_MLX5_ESWITCH
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 5a85d8c1e797..dd43a940499b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -34,12 +34,14 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/vport.h>
#include <linux/mlx5/eswitch.h>
+#include <net/devlink.h>
#include "mlx5_core.h"
#include "fs_core.h"
#include "fs_cmd.h"
#include "fs_ft_pool.h"
#include "diag/fs_tracepoint.h"
+#include "devlink.h"
#define INIT_TREE_NODE_ARRAY_SIZE(...) (sizeof((struct init_tree_node[]){__VA_ARGS__}) /\
sizeof(struct init_tree_node))
@@ -3143,6 +3145,78 @@ static int init_egress_root_ns(struct mlx5_flow_steering *steering)
return err;
}
+static int mlx5_fs_mode_validate(struct devlink *devlink, u32 id,
+ union devlink_param_value val,
+ struct netlink_ext_ack *extack)
+{
+ struct mlx5_core_dev *dev = devlink_priv(devlink);
+ char *value = val.vstr;
+ int err = 0;
+
+ if (!strcmp(value, "dmfs")) {
+ return 0;
+ } else if (!strcmp(value, "smfs")) {
+ u8 eswitch_mode;
+ bool smfs_cap;
+
+ eswitch_mode = mlx5_eswitch_mode(dev);
+ smfs_cap = mlx5_fs_dr_is_supported(dev);
+
+ if (!smfs_cap) {
+ err = -EOPNOTSUPP;
+ NL_SET_ERR_MSG_MOD(extack,
+ "Software managed steering is not supported by current device");
+ }
+
+ else if (eswitch_mode == MLX5_ESWITCH_OFFLOADS) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Software managed steering is not supported when eswitch offloads enabled.");
+ err = -EOPNOTSUPP;
+ }
+ } else {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Bad parameter: supported values are [\"dmfs\", \"smfs\"]");
+ err = -EINVAL;
+ }
+
+ return err;
+}
+
+static int mlx5_fs_mode_set(struct devlink *devlink, u32 id,
+ struct devlink_param_gset_ctx *ctx)
+{
+ struct mlx5_core_dev *dev = devlink_priv(devlink);
+ enum mlx5_flow_steering_mode mode;
+
+ if (!strcmp(ctx->val.vstr, "smfs"))
+ mode = MLX5_FLOW_STEERING_MODE_SMFS;
+ else
+ mode = MLX5_FLOW_STEERING_MODE_DMFS;
+ dev->priv.steering->mode = mode;
+
+ return 0;
+}
+
+static int mlx5_fs_mode_get(struct devlink *devlink, u32 id,
+ struct devlink_param_gset_ctx *ctx)
+{
+ struct mlx5_core_dev *dev = devlink_priv(devlink);
+
+ if (dev->priv.steering->mode == MLX5_FLOW_STEERING_MODE_SMFS)
+ strcpy(ctx->val.vstr, "smfs");
+ else
+ strcpy(ctx->val.vstr, "dmfs");
+ return 0;
+}
+
+static const struct devlink_param mlx5_fs_params[] = {
+ DEVLINK_PARAM_DRIVER(MLX5_DEVLINK_PARAM_ID_FLOW_STEERING_MODE,
+ "flow_steering_mode", DEVLINK_PARAM_TYPE_STRING,
+ BIT(DEVLINK_PARAM_CMODE_RUNTIME),
+ mlx5_fs_mode_get, mlx5_fs_mode_set,
+ mlx5_fs_mode_validate),
+};
+
void mlx5_fs_core_cleanup(struct mlx5_core_dev *dev)
{
struct mlx5_flow_steering *steering = dev->priv.steering;
@@ -3155,12 +3229,20 @@ void mlx5_fs_core_cleanup(struct mlx5_core_dev *dev)
cleanup_root_ns(steering->rdma_rx_root_ns);
cleanup_root_ns(steering->rdma_tx_root_ns);
cleanup_root_ns(steering->egress_root_ns);
+
+ devl_params_unregister(priv_to_devlink(dev), mlx5_fs_params,
+ ARRAY_SIZE(mlx5_fs_params));
}
int mlx5_fs_core_init(struct mlx5_core_dev *dev)
{
struct mlx5_flow_steering *steering = dev->priv.steering;
- int err = 0;
+ int err;
+
+ err = devl_params_register(priv_to_devlink(dev), mlx5_fs_params,
+ ARRAY_SIZE(mlx5_fs_params));
+ if (err)
+ return err;
if ((((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_ETH) &&
(MLX5_CAP_GEN(dev, nic_flow_table))) ||
--
2.39.0
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