Add a configuration option (CONFIG_MLX5_CORE_EN_SRIOV) for controlling
whether the eswitch code is built. Change Kconfig and Makefile
accordingly.

Signed-off-by: Tom Herbert <t...@herbertland.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/Kconfig  |  8 ++++++++
 drivers/net/ethernet/mellanox/mlx5/core/Makefile |  4 +++-
 drivers/net/ethernet/mellanox/mlx5/core/lag.c    |  2 ++
 drivers/net/ethernet/mellanox/mlx5/core/main.c   | 16 ++++++++++++++++
 4 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig 
b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index 27aae58..7ade61a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -41,3 +41,11 @@ config MLX5_CORE_EN_ESWITCH
          inter-HCA ethernet l2 switching.
 
          If unsure, set to Y
+
+config MLX5_CORE_EN_SRIOV
+       bool "SR-IOV"
+       default y
+       ---help---
+         Say Y here if you want to use SR-IOV.
+
+         If unsure, set to Y
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile 
b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 17025d8..6d38250 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -2,7 +2,7 @@ obj-$(CONFIG_MLX5_CORE)         += mlx5_core.o
 
 mlx5_core-y := main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
                health.o mcg.o cq.o srq.o alloc.o qp.o port.o mr.o pd.o \
-               mad.o transobj.o vport.o sriov.o fs_cmd.o fs_core.o \
+               mad.o transobj.o vport.o fs_cmd.o fs_core.o \
                fs_counters.o rl.o lag.o dev.o
 
 mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o \
@@ -13,3 +13,5 @@ mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o \
 mlx5_core-$(CONFIG_MLX5_CORE_EN_DCB) +=  en_dcbnl.o
 
 mlx5_core-$(CONFIG_MLX5_CORE_EN_ESWITCH) += eswitch.o eswitch_offloads.o 
en_rep.o
+
+mlx5_core-$(CONFIG_MLX5_CORE_EN_SRIOV) += sriov.o
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c 
b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
index 5595724..6dc3792 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
@@ -223,11 +223,13 @@ static void mlx5_do_bond(struct mlx5_lag *ldev)
        mutex_unlock(&lag_mutex);
 
        if (tracker.is_bonded && !mlx5_lag_is_bonded(ldev)) {
+#ifdef CONFIG_MLX5_CORE_EN_SRIOV
                if (mlx5_sriov_is_enabled(dev0) ||
                    mlx5_sriov_is_enabled(dev1)) {
                        mlx5_core_warn(dev0, "LAG is not supported with SRIOV");
                        return;
                }
+#endif
 
                for (i = 0; i < MLX5_MAX_PORTS; i++)
                        mlx5_remove_dev_by_protocol(ldev->pf[i].dev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c 
b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 224f499..cd6a9c7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -949,15 +949,20 @@ static int mlx5_init_once(struct mlx5_core_dev *dev, 
struct mlx5_priv *priv)
        }
 #endif
 
+#ifdef CONFIG_MLX5_CORE_EN_SRIOV
        err = mlx5_sriov_init(dev);
        if (err) {
                dev_err(&pdev->dev, "Failed to init sriov %d\n", err);
                goto err_eswitch_cleanup;
        }
+#endif
 
        return 0;
 
+#ifdef CONFIG_MLX5_CORE_EN_SRIOV
 err_eswitch_cleanup:
+#endif
+
 #ifdef CONFIG_MLX5_CORE_EN_ESWITCH
        mlx5_eswitch_cleanup(dev->priv.eswitch);
 
@@ -980,7 +985,9 @@ static int mlx5_init_once(struct mlx5_core_dev *dev, struct 
mlx5_priv *priv)
 
 static void mlx5_cleanup_once(struct mlx5_core_dev *dev)
 {
+#ifdef CONFIG_MLX5_CORE_EN_SRIOV
        mlx5_sriov_cleanup(dev);
+#endif
 #ifdef CONFIG_MLX5_CORE_EN_ESWITCH
        mlx5_eswitch_cleanup(dev->priv.eswitch);
 #endif
@@ -1135,11 +1142,13 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, 
struct mlx5_priv *priv,
        mlx5_eswitch_attach(dev->priv.eswitch);
 #endif
 
+#ifdef CONFIG_MLX5_CORE_EN_SRIOV
        err = mlx5_sriov_attach(dev);
        if (err) {
                dev_err(&pdev->dev, "sriov init failed %d\n", err);
                goto err_sriov;
        }
+#endif
 
        if (mlx5_device_registered(dev)) {
                mlx5_attach_device(dev);
@@ -1159,9 +1168,12 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, 
struct mlx5_priv *priv,
        return 0;
 
 err_reg_dev:
+#ifdef CONFIG_MLX5_CORE_EN_SRIOV
        mlx5_sriov_detach(dev);
 
 err_sriov:
+#endif
+
 #ifdef CONFIG_MLX5_CORE_EN_ESWITCH
        mlx5_eswitch_detach(dev->priv.eswitch);
 #endif
@@ -1232,7 +1244,9 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, 
struct mlx5_priv *priv,
        if (mlx5_device_registered(dev))
                mlx5_detach_device(dev);
 
+#ifdef CONFIG_MLX5_CORE_EN_SRIOV
        mlx5_sriov_detach(dev);
+#endif
 #ifdef CONFIG_MLX5_CORE_EN_ESWITCH
        mlx5_eswitch_detach(dev->priv.eswitch);
 #endif
@@ -1533,7 +1547,9 @@ static struct pci_driver mlx5_core_driver = {
        .remove         = remove_one,
        .shutdown       = shutdown,
        .err_handler    = &mlx5_err_handler,
+#ifdef CONFIG_MLX5_CORE_EN_SRIOV
        .sriov_configure   = mlx5_core_sriov_configure,
+#endif
 };
 
 static void mlx5_core_verify_params(void)
-- 
2.9.3

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