linux/drivers/net/ethernet/intel/i40e/i40e_devlink.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2023 Intel Corporation. */

#include <net/devlink.h>
#include "i40e.h"
#include "i40e_devlink.h"

static void i40e_info_get_dsn(struct i40e_pf *pf, char *buf, size_t len)
{ … }

static void i40e_info_fw_mgmt(struct i40e_hw *hw, char *buf, size_t len)
{ … }

static void i40e_info_fw_mgmt_build(struct i40e_hw *hw, char *buf, size_t len)
{ … }

static void i40e_info_fw_api(struct i40e_hw *hw, char *buf, size_t len)
{ … }

static void i40e_info_pba(struct i40e_hw *hw, char *buf, size_t len)
{ … }

enum i40e_devlink_version_type { … };

static int i40e_devlink_info_put(struct devlink_info_req *req,
				 enum i40e_devlink_version_type type,
				 const char *key, const char *value)
{ … }

static int i40e_devlink_info_get(struct devlink *dl,
				 struct devlink_info_req *req,
				 struct netlink_ext_ack *extack)
{ … }

static const struct devlink_ops i40e_devlink_ops = …;

/**
 * i40e_alloc_pf - Allocate devlink and return i40e_pf structure pointer
 * @dev: the device to allocate for
 *
 * Allocate a devlink instance for this device and return the private
 * area as the i40e_pf structure.
 **/
struct i40e_pf *i40e_alloc_pf(struct device *dev)
{ … }

/**
 * i40e_free_pf - Free i40e_pf structure and associated devlink
 * @pf: the PF structure
 *
 * Free i40e_pf structure and devlink allocated by devlink_alloc.
 **/
void i40e_free_pf(struct i40e_pf *pf)
{ … }

/**
 * i40e_devlink_register - Register devlink interface for this PF
 * @pf: the PF to register the devlink for.
 *
 * Register the devlink instance associated with this physical function.
 **/
void i40e_devlink_register(struct i40e_pf *pf)
{ … }

/**
 * i40e_devlink_unregister - Unregister devlink resources for this PF.
 * @pf: the PF structure to cleanup
 *
 * Releases resources used by devlink and cleans up associated memory.
 **/
void i40e_devlink_unregister(struct i40e_pf *pf)
{ … }

/**
 * i40e_devlink_set_switch_id - Set unique switch id based on pci dsn
 * @pf: the PF to create a devlink port for
 * @ppid: struct with switch id information
 */
static void i40e_devlink_set_switch_id(struct i40e_pf *pf,
				       struct netdev_phys_item_id *ppid)
{ … }

/**
 * i40e_devlink_create_port - Create a devlink port for this PF
 * @pf: the PF to create a port for
 *
 * Create and register a devlink_port for this PF. Note that although each
 * physical function is connected to a separate devlink instance, the port
 * will still be numbered according to the physical function id.
 *
 * Return: zero on success or an error code on failure.
 **/
int i40e_devlink_create_port(struct i40e_pf *pf)
{ … }

/**
 * i40e_devlink_destroy_port - Destroy the devlink_port for this PF
 * @pf: the PF to cleanup
 *
 * Unregisters the devlink_port structure associated with this PF.
 **/
void i40e_devlink_destroy_port(struct i40e_pf *pf)
{ … }