wwan/iosm/iosm_ipc_wwan.h

0001 /* SPDX-License-Identifier: GPL-2.0-only
0002  *
0003  * Copyright (C) 2020-21 Intel Corporation.
0004  */
0005
0006 #ifndef IOSM_IPC_WWAN_H
0007 #define IOSM_IPC_WWAN_H
0008
0009 /**
0010  * ipc_wwan_init - Allocate, Init and register WWAN device
0011  * @ipc_imem:       Pointer to imem data-struct
0012  * @dev:        Pointer to device structure
0013  *
0014  * Returns: Pointer to instance on success else NULL
0015  */
0016 struct iosm_wwan *ipc_wwan_init(struct iosm_imem *ipc_imem, struct device *dev);
0017
0018 /**
0019  * ipc_wwan_deinit - Unregister and free WWAN device, clear pointer
0020  * @ipc_wwan:   Pointer to wwan instance data
0021  */
0022 void ipc_wwan_deinit(struct iosm_wwan *ipc_wwan);
0023
0024 /**
0025  * ipc_wwan_receive - Receive a downlink packet from CP.
0026  * @ipc_wwan:   Pointer to wwan instance
0027  * @skb_arg:    Pointer to struct sk_buff
0028  * @dss:    Set to true if interafce id is from 257 to 261,
0029  *      else false
0030  * @if_id:  Interface ID
0031  *
0032  * Return: 0 on success and failure value on error
0033  */
0034 int ipc_wwan_receive(struct iosm_wwan *ipc_wwan, struct sk_buff *skb_arg,
0035              bool dss, int if_id);
0036
0037 /**
0038  * ipc_wwan_tx_flowctrl - Enable/Disable TX flow control
0039  * @ipc_wwan:   Pointer to wwan instance
0040  * @id:     Ipc mux channel session id
0041  * @on:     if true then flow ctrl would be enabled else disable
0042  *
0043  */
0044 void ipc_wwan_tx_flowctrl(struct iosm_wwan *ipc_wwan, int id, bool on);
0045 #endif