@@ -31,6 +31,7 @@ ice-y := ice_main.o \
ice_idc.o \
devlink/devlink.o \
devlink/devlink_port.o \
+ ice_sf_eth.o \
ice_ddp.o \
ice_fw_update.o \
ice_lag.o \
@@ -15,6 +15,7 @@
#include "ice_dcb_nl.h"
#include "devlink/devlink.h"
#include "devlink/devlink_port.h"
+#include "ice_sf_eth.h"
#include "ice_hwmon.h"
/* Including ice_trace.h with CREATE_TRACE_POINTS defined will generate the
* ice tracepoint functions. This must be done exactly once across the
@@ -5857,8 +5858,16 @@ static int __init ice_module_init(void)
goto err_dest_lag_wq;
}
+ status = ice_sf_driver_register();
+ if (status) {
+ pr_err("Failed to register SF driver, err %d\n", status);
+ goto err_sf_driver;
+ }
+
return 0;
+err_sf_driver:
+ pci_unregister_driver(&ice_driver);
err_dest_lag_wq:
destroy_workqueue(ice_lag_wq);
ice_debugfs_exit();
@@ -5876,6 +5885,7 @@ module_init(ice_module_init);
*/
static void __exit ice_module_exit(void)
{
+ ice_sf_driver_unregister();
pci_unregister_driver(&ice_driver);
ice_debugfs_exit();
destroy_workqueue(ice_wq);
new file mode 100644
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2024, Intel Corporation. */
+#include "ice.h"
+#include "ice_lib.h"
+#include "ice_fltr.h"
+#include "ice_sf_eth.h"
+#include "devlink/devlink_port.h"
+#include "devlink/devlink.h"
+
+/**
+ * ice_sf_dev_probe - subfunction driver probe function
+ * @adev: pointer to the auxiliary device
+ * @id: pointer to the auxiliary_device id
+ *
+ * Configure VSI and netdev resources for the subfunction device.
+ *
+ * Return: zero on success or an error code on failure.
+ */
+static int ice_sf_dev_probe(struct auxiliary_device *adev,
+ const struct auxiliary_device_id *id)
+{
+ struct ice_sf_dev *sf_dev = ice_adev_to_sf_dev(adev);
+ struct ice_dynamic_port *dyn_port = sf_dev->dyn_port;
+ struct ice_vsi_cfg_params params = {};
+ struct ice_vsi *vsi = dyn_port->vsi;
+ struct ice_pf *pf = dyn_port->pf;
+ struct device *dev = &adev->dev;
+ struct ice_sf_priv *priv;
+ int err;
+
+ params.type = ICE_VSI_SF;
+ params.pi = pf->hw.port_info;
+ params.flags = ICE_VSI_FLAG_INIT;
+
+ priv = ice_allocate_sf(&adev->dev);
+ if (!priv) {
+ dev_err(dev, "Subfunction devlink alloc failed");
+ return -ENOMEM;
+ }
+
+ priv->dev = sf_dev;
+ sf_dev->priv = priv;
+
+ devlink_register(priv_to_devlink(priv));
+
+ err = ice_vsi_cfg(vsi, ¶ms);
+ if (err) {
+ dev_err(dev, "Subfunction vsi config failed");
+ return err;
+ }
+
+ err = ice_devlink_create_sf_dev_port(sf_dev);
+ if (err) {
+ dev_err(dev, "Cannot add ice virtual devlink port for subfunction");
+ goto err_vsi_decfg;
+ }
+
+ err = ice_fltr_add_mac_and_broadcast(vsi, vsi->netdev->dev_addr,
+ ICE_FWD_TO_VSI);
+ if (err) {
+ dev_err(dev, "can't add MAC filters %pM for VSI %d\n",
+ vsi->netdev->dev_addr, vsi->idx);
+ goto err_devlink_destroy;
+ }
+
+ ice_napi_add(vsi);
+
+ return err;
+
+err_devlink_destroy:
+ ice_devlink_destroy_sf_dev_port(sf_dev);
+err_vsi_decfg:
+ ice_vsi_decfg(vsi);
+ return err;
+}
+
+/**
+ * ice_sf_dev_remove - subfunction driver remove function
+ * @adev: pointer to the auxiliary device
+ *
+ * Deinitalize VSI and netdev resources for the subfunction device.
+ */
+static void ice_sf_dev_remove(struct auxiliary_device *adev)
+{
+ struct ice_sf_dev *sf_dev = ice_adev_to_sf_dev(adev);
+ struct devlink *devlink = priv_to_devlink(sf_dev->priv);
+ struct ice_dynamic_port *dyn_port = sf_dev->dyn_port;
+ struct ice_vsi *vsi = dyn_port->vsi;
+
+ ice_vsi_close(vsi);
+
+ ice_devlink_destroy_sf_dev_port(sf_dev);
+ devlink_unregister(devlink);
+ devlink_free(devlink);
+ ice_vsi_decfg(vsi);
+}
+
+static const struct auxiliary_device_id ice_sf_dev_id_table[] = {
+ { .name = "ice.sf", },
+ { },
+};
+
+MODULE_DEVICE_TABLE(auxiliary, ice_sf_dev_id_table);
+
+static struct auxiliary_driver ice_sf_driver = {
+ .name = "sf",
+ .probe = ice_sf_dev_probe,
+ .remove = ice_sf_dev_remove,
+ .id_table = ice_sf_dev_id_table
+};
+
+/**
+ * ice_sf_driver_register - Register new auxiliary subfunction driver
+ *
+ * Return: zero on success or an error code on failure.
+ */
+int ice_sf_driver_register(void)
+{
+ return auxiliary_driver_register(&ice_sf_driver);
+}
+
+/**
+ * ice_sf_driver_unregister - Unregister new auxiliary subfunction driver
+ *
+ * Return: zero on success or an error code on failure.
+ */
+void ice_sf_driver_unregister(void)
+{
+ auxiliary_driver_unregister(&ice_sf_driver);
+}
new file mode 100644
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024, Intel Corporation. */
+
+#ifndef _ICE_SF_ETH_H_
+#define _ICE_SF_ETH_H_
+
+#include <linux/auxiliary_bus.h>
+#include "ice.h"
+
+struct ice_sf_dev {
+ struct auxiliary_device adev;
+ struct ice_dynamic_port *dyn_port;
+ struct ice_sf_priv *priv;
+};
+
+struct ice_sf_priv {
+ struct ice_sf_dev *dev;
+ struct devlink_port devlink_port;
+};
+
+static inline struct
+ice_sf_dev *ice_adev_to_sf_dev(struct auxiliary_device *adev)
+{
+ return container_of(adev, struct ice_sf_dev, adev);
+}
+
+int ice_sf_driver_register(void);
+void ice_sf_driver_unregister(void);
+
+#endif /* _ICE_SF_ETH_H_ */