devlink: Add 'enable_iwarp' generic device param

Add a new device generic parameter to enable and disable
iWARP functionality on a multi-protocol RDMA device.

Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Tested-by: Leszek Kaliszczuk <leszek.kaliszczuk@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

diff --git a/Documentation/networking/devlink/devlink-params.rst b/Documentation/networking/devlink/devlink-params.rst
index 4878907..b7dfe69 100644 (file)
--- a/Documentation/networking/devlink/devlink-params.rst
+++ b/Documentation/networking/devlink/devlink-params.rst
@@ -109,6 +109,9 @@ own name.
      - Boolean
      - When enabled, the device driver will instantiate VDPA networking
        specific auxiliary device of the devlink device.
+   * - ``enable_iwarp``
+     - Boolean
+     - Enable handling of iWARP traffic in the device.
    * - ``internal_err_reset``
      - Boolean
      - When enabled, the device driver will reset the device on internal

diff --git a/include/net/devlink.h b/include/net/devlink.h
index aab3d00..e3c88fa 100644 (file)
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -485,6 +485,7 @@ enum devlink_param_generic_id {
        DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
        DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
        DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
+       DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
 
        /* add new param generic ids above here*/
        __DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -534,6 +535,9 @@ enum devlink_param_generic_id {
 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
 
+#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
+#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
+
 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)     \
 {                                                                      \
        .id = DEVLINK_PARAM_GENERIC_ID_##_id,                           \

diff --git a/net/core/devlink.c b/net/core/devlink.c
index 5ad72db..d144a62 100644 (file)
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -4432,6 +4432,11 @@ static const struct devlink_param devlink_param_generic[] = {
                .name = DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME,
                .type = DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE,
        },
+       {
+               .id = DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
+               .name = DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME,
+               .type = DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE,
+       },
 };
 
 static int devlink_param_generic_verify(const struct devlink_param *param)