92bb3a5b57
Arrange driver to be separated into several DLKMs per functinalities. Adapt the Makefiles, add needed EXPORT_SYMBOLS(), and replace #ifdef X to #if IS_ENABLED(X) to capture module state. Change-Id: I5cc0a7c43358e3caa099cb3e9968b0837753972c Signed-off-by: Ghanim Fodi <gfodi@codeaurora.org>
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2013-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _ECM_IPA_H_
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#define _ECM_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 (*ecm_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 ecm_ipa_params - parameters for ecm_ipa 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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* @ecm_ipa_rx_dp_notify: ecm_ipa 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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* @ecm_ipa_tx_dp_notify: ecm_ipa 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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* @priv: ecm_ipa 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 ecm_ipa APIs
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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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* @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 ecm_ipa_params {
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void (*device_ready_notify)(void);
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ecm_ipa_callback ecm_ipa_rx_dp_notify;
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ecm_ipa_callback ecm_ipa_tx_dp_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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#if IS_ENABLED(CONFIG_ECM_IPA)
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int ecm_ipa_init(struct ecm_ipa_params *params);
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int ecm_ipa_connect(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl,
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void *priv);
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int ecm_ipa_disconnect(void *priv);
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void ecm_ipa_cleanup(void *priv);
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#else /* IS_ENABLED(CONFIG_ECM_IPA) */
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static inline int ecm_ipa_init(struct ecm_ipa_params *params)
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{
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return 0;
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}
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static inline int ecm_ipa_connect(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl,
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void *priv)
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{
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return 0;
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}
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static inline int ecm_ipa_disconnect(void *priv)
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{
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return 0;
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}
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static inline void ecm_ipa_cleanup(void *priv)
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{
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}
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#endif /* IS_ENABLED(CONFIG_ECM_IPA) */
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#endif /* _ECM_IPA_H_ */
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