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https://github.com/torvalds/linux
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2a54f2c779
1) Create net device & implement net operations for data/IP communication. 2) Bind IP Link to mux IP session for simultaneous IP traffic. Signed-off-by: M Chetan Kumar <m.chetan.kumar@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only
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*
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* Copyright (C) 2020-21 Intel Corporation.
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*/
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#ifndef IOSM_IPC_WWAN_H
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#define IOSM_IPC_WWAN_H
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/**
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* ipc_wwan_init - Allocate, Init and register WWAN device
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* @ipc_imem: Pointer to imem data-struct
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* @dev: Pointer to device structure
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*
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* Returns: Pointer to instance on success else NULL
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*/
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struct iosm_wwan *ipc_wwan_init(struct iosm_imem *ipc_imem, struct device *dev);
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/**
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* ipc_wwan_deinit - Unregister and free WWAN device, clear pointer
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* @ipc_wwan: Pointer to wwan instance data
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*/
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void ipc_wwan_deinit(struct iosm_wwan *ipc_wwan);
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/**
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* ipc_wwan_receive - Receive a downlink packet from CP.
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* @ipc_wwan: Pointer to wwan instance
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* @skb_arg: Pointer to struct sk_buff
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* @dss: Set to true if interafce id is from 257 to 261,
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* else false
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* @if_id: Interface ID
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*
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* Return: 0 on success and failure value on error
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*/
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int ipc_wwan_receive(struct iosm_wwan *ipc_wwan, struct sk_buff *skb_arg,
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bool dss, int if_id);
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/**
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* ipc_wwan_tx_flowctrl - Enable/Disable TX flow control
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* @ipc_wwan: Pointer to wwan instance
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* @id: Ipc mux channel session id
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* @on: if true then flow ctrl would be enabled else disable
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*
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*/
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void ipc_wwan_tx_flowctrl(struct iosm_wwan *ipc_wwan, int id, bool on);
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/**
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* ipc_wwan_is_tx_stopped - Checks if Tx stopped for a Interface id.
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* @ipc_wwan: Pointer to wwan instance
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* @id: Ipc mux channel session id
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*
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* Return: true if stopped, false otherwise
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*/
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bool ipc_wwan_is_tx_stopped(struct iosm_wwan *ipc_wwan, int id);
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#endif
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