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102 lines
3.1 KiB
102 lines
3.1 KiB
/* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _RNDIS_IPA_H_
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#define _RNDIS_IPA_H_
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#include <linux/ipa.h>
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/*
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* @priv: private data given upon ipa_connect
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* @evt: event enum, should be IPA_WRITE_DONE
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* @data: for tx path the data field is the sent socket buffer.
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*/
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typedef void (*ipa_callback)(void *priv,
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enum ipa_dp_evt_type evt,
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unsigned long data);
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/*
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* struct ipa_usb_init_params - parameters for driver initialization API
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*
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* @device_ready_notify: callback supplied by USB core driver
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* This callback shall be called by the Netdev once the device
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* is ready to receive data from tethered PC.
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* @ipa_rx_notify: The network driver will set this callback (out parameter).
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* this callback shall be supplied for ipa_connect upon pipe
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* connection (USB->IPA), once IPA driver receive data packets
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* from USB pipe destined for Apps this callback will be called.
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* @ipa_tx_notify: The network driver will set this callback (out parameter).
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* this callback shall be supplied for ipa_connect upon pipe
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* connection (IPA->USB), once IPA driver send packets destined
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* for USB, IPA BAM will notify for Tx-complete.
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* @host_ethaddr: host Ethernet address in network order
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* @device_ethaddr: device Ethernet address in network order
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* @private: The network driver will set this pointer (out parameter).
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* This pointer will hold the network device for later interaction
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* with between USB driver and the network driver.
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* @skip_ep_cfg: boolean field that determines if Apps-processor
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* should or should not configure this end-point.
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*/
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struct ipa_usb_init_params {
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void (*device_ready_notify)(void);
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ipa_callback ipa_rx_notify;
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ipa_callback ipa_tx_notify;
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u8 host_ethaddr[ETH_ALEN];
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u8 device_ethaddr[ETH_ALEN];
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void *private;
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bool skip_ep_cfg;
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};
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#ifdef CONFIG_RNDIS_IPA
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int rndis_ipa_init(struct ipa_usb_init_params *params);
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int rndis_ipa_pipe_connect_notify(u32 usb_to_ipa_hdl,
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u32 ipa_to_usb_hdl,
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u32 max_xfer_size_bytes_to_dev,
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u32 max_packet_number_to_dev,
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u32 max_xfer_size_bytes_to_host,
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void *private);
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int rndis_ipa_pipe_disconnect_notify(void *private);
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void rndis_ipa_cleanup(void *private);
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#else /* CONFIG_RNDIS_IPA*/
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static inline int rndis_ipa_init(struct ipa_usb_init_params *params)
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{
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return -ENOMEM;
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}
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static inline int rndis_ipa_pipe_connect_notify(u32 usb_to_ipa_hdl,
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u32 ipa_to_usb_hdl,
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u32 max_xfer_size_bytes_to_dev,
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u32 max_packet_number_to_dev,
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u32 max_xfer_size_bytes_to_host,
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void *private)
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{
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return -ENOMEM;
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}
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static inline int rndis_ipa_pipe_disconnect_notify(void *private)
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{
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return -ENOMEM;
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}
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static inline void rndis_ipa_cleanup(void *private)
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{
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}
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#endif /* CONFIG_RNDIS_IPA */
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#endif /* _RNDIS_IPA_H_ */
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