linux/drivers/net/ethernet/intel/ice/ice_eswitch.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2019-2021, Intel Corporation. */

#include "ice.h"
#include "ice_lib.h"
#include "ice_eswitch.h"
#include "ice_eswitch_br.h"
#include "ice_fltr.h"
#include "ice_repr.h"
#include "devlink/devlink.h"
#include "ice_tc_lib.h"

/**
 * ice_eswitch_setup_env - configure eswitch HW filters
 * @pf: pointer to PF struct
 *
 * This function adds HW filters configuration specific for switchdev
 * mode.
 */
static int ice_eswitch_setup_env(struct ice_pf *pf)
{}

/**
 * ice_eswitch_release_repr - clear PR VSI configuration
 * @pf: poiner to PF struct
 * @repr: pointer to PR
 */
static void
ice_eswitch_release_repr(struct ice_pf *pf, struct ice_repr *repr)
{}

/**
 * ice_eswitch_setup_repr - configure PR to run in switchdev mode
 * @pf: pointer to PF struct
 * @repr: pointer to PR struct
 */
static int ice_eswitch_setup_repr(struct ice_pf *pf, struct ice_repr *repr)
{}

/**
 * ice_eswitch_cfg_vsi - configure VSI to work in slow-path
 * @vsi: VSI structure of representee
 * @mac: representee MAC
 *
 * Return: 0 on success, non-zero on error.
 */
int ice_eswitch_cfg_vsi(struct ice_vsi *vsi, const u8 *mac)
{}

/**
 * ice_eswitch_decfg_vsi - unroll changes done to VSI for switchdev
 * @vsi: VSI structure of representee
 * @mac: representee MAC
 */
void ice_eswitch_decfg_vsi(struct ice_vsi *vsi, const u8 *mac)
{}

/**
 * ice_eswitch_update_repr - reconfigure port representor
 * @repr_id: representor ID
 * @vsi: VSI for which port representor is configured
 */
void ice_eswitch_update_repr(unsigned long *repr_id, struct ice_vsi *vsi)
{}

/**
 * ice_eswitch_port_start_xmit - callback for packets transmit
 * @skb: send buffer
 * @netdev: network interface device structure
 *
 * Returns NETDEV_TX_OK if sent, else an error code
 */
netdev_tx_t
ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev)
{}

/**
 * ice_eswitch_set_target_vsi - set eswitch context in Tx context descriptor
 * @skb: pointer to send buffer
 * @off: pointer to offload struct
 */
void
ice_eswitch_set_target_vsi(struct sk_buff *skb,
			   struct ice_tx_offload_params *off)
{}

/**
 * ice_eswitch_release_env - clear eswitch HW filters
 * @pf: pointer to PF struct
 *
 * This function removes HW filters configuration specific for switchdev
 * mode and restores default legacy mode settings.
 */
static void ice_eswitch_release_env(struct ice_pf *pf)
{}

/**
 * ice_eswitch_enable_switchdev - configure eswitch in switchdev mode
 * @pf: pointer to PF structure
 */
static int ice_eswitch_enable_switchdev(struct ice_pf *pf)
{}

/**
 * ice_eswitch_disable_switchdev - disable eswitch resources
 * @pf: pointer to PF structure
 */
static void ice_eswitch_disable_switchdev(struct ice_pf *pf)
{}

/**
 * ice_eswitch_mode_set - set new eswitch mode
 * @devlink: pointer to devlink structure
 * @mode: eswitch mode to switch to
 * @extack: pointer to extack structure
 */
int
ice_eswitch_mode_set(struct devlink *devlink, u16 mode,
		     struct netlink_ext_ack *extack)
{}

/**
 * ice_eswitch_mode_get - get current eswitch mode
 * @devlink: pointer to devlink structure
 * @mode: output parameter for current eswitch mode
 */
int ice_eswitch_mode_get(struct devlink *devlink, u16 *mode)
{}

/**
 * ice_is_eswitch_mode_switchdev - check if eswitch mode is set to switchdev
 * @pf: pointer to PF structure
 *
 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV,
 * false otherwise.
 */
bool ice_is_eswitch_mode_switchdev(struct ice_pf *pf)
{}

/**
 * ice_eswitch_start_all_tx_queues - start Tx queues of all port representors
 * @pf: pointer to PF structure
 */
static void ice_eswitch_start_all_tx_queues(struct ice_pf *pf)
{}

/**
 * ice_eswitch_stop_all_tx_queues - stop Tx queues of all port representors
 * @pf: pointer to PF structure
 */
void ice_eswitch_stop_all_tx_queues(struct ice_pf *pf)
{}

static void ice_eswitch_stop_reprs(struct ice_pf *pf)
{}

static void ice_eswitch_start_reprs(struct ice_pf *pf)
{}

static int
ice_eswitch_attach(struct ice_pf *pf, struct ice_repr *repr, unsigned long *id)
{}

/**
 * ice_eswitch_attach_vf - attach VF to a eswitch
 * @pf: pointer to PF structure
 * @vf: pointer to VF structure to be attached
 *
 * During attaching port representor for VF is created.
 *
 * Return: zero on success or an error code on failure.
 */
int ice_eswitch_attach_vf(struct ice_pf *pf, struct ice_vf *vf)
{}

/**
 * ice_eswitch_attach_sf - attach SF to a eswitch
 * @pf: pointer to PF structure
 * @sf: pointer to SF structure to be attached
 *
 * During attaching port representor for SF is created.
 *
 * Return: zero on success or an error code on failure.
 */
int ice_eswitch_attach_sf(struct ice_pf *pf, struct ice_dynamic_port *sf)
{}

static void ice_eswitch_detach(struct ice_pf *pf, struct ice_repr *repr)
{}

/**
 * ice_eswitch_detach_vf - detach VF from a eswitch
 * @pf: pointer to PF structure
 * @vf: pointer to VF structure to be detached
 */
void ice_eswitch_detach_vf(struct ice_pf *pf, struct ice_vf *vf)
{}

/**
 * ice_eswitch_detach_sf - detach SF from a eswitch
 * @pf: pointer to PF structure
 * @sf: pointer to SF structure to be detached
 */
void ice_eswitch_detach_sf(struct ice_pf *pf, struct ice_dynamic_port *sf)
{}

/**
 * ice_eswitch_get_target - get netdev based on src_vsi from descriptor
 * @rx_ring: ring used to receive the packet
 * @rx_desc: descriptor used to get src_vsi value
 *
 * Get src_vsi value from descriptor and load correct representor. If it isn't
 * found return rx_ring->netdev.
 */
struct net_device *ice_eswitch_get_target(struct ice_rx_ring *rx_ring,
					  union ice_32b_rx_flex_desc *rx_desc)
{}