linux/drivers/net/wireless/ath/ath10k/htc.c

// SPDX-License-Identifier: ISC
/*
 * Copyright (c) 2005-2011 Atheros Communications Inc.
 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
 */

#include "core.h"
#include "hif.h"
#include "debug.h"

/********/
/* Send */
/********/

static void ath10k_htc_control_tx_complete(struct ath10k *ar,
					   struct sk_buff *skb)
{ … }

static struct sk_buff *ath10k_htc_build_tx_ctrl_skb(void *ar)
{ … }

static inline void ath10k_htc_restore_tx_skb(struct ath10k_htc *htc,
					     struct sk_buff *skb)
{ … }

void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep,
				     struct sk_buff *skb)
{ … }
EXPORT_SYMBOL(…);

static void ath10k_htc_prepare_tx_skb(struct ath10k_htc_ep *ep,
				      struct sk_buff *skb)
{ … }

static int ath10k_htc_consume_credit(struct ath10k_htc_ep *ep,
				     unsigned int len,
				     bool consume)
{ … }

static void ath10k_htc_release_credit(struct ath10k_htc_ep *ep, unsigned int len)
{ … }

int ath10k_htc_send(struct ath10k_htc *htc,
		    enum ath10k_htc_ep_id eid,
		    struct sk_buff *skb)
{ … }

void ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb)
{ … }
EXPORT_SYMBOL(…);

/***********/
/* Receive */
/***********/

static void
ath10k_htc_process_credit_report(struct ath10k_htc *htc,
				 const struct ath10k_htc_credit_report *report,
				 int len,
				 enum ath10k_htc_ep_id eid)
{ … }

static int
ath10k_htc_process_lookahead(struct ath10k_htc *htc,
			     const struct ath10k_htc_lookahead_report *report,
			     int len,
			     enum ath10k_htc_ep_id eid,
			     void *next_lookaheads,
			     int *next_lookaheads_len)
{ … }

static int
ath10k_htc_process_lookahead_bundle(struct ath10k_htc *htc,
				    const struct ath10k_htc_lookahead_bundle *report,
				    int len,
				    enum ath10k_htc_ep_id eid,
				    void *next_lookaheads,
				    int *next_lookaheads_len)
{ … }

int ath10k_htc_process_trailer(struct ath10k_htc *htc,
			       u8 *buffer,
			       int length,
			       enum ath10k_htc_ep_id src_eid,
			       void *next_lookaheads,
			       int *next_lookaheads_len)
{ … }
EXPORT_SYMBOL(…);

void ath10k_htc_rx_completion_handler(struct ath10k *ar, struct sk_buff *skb)
{ … }
EXPORT_SYMBOL(…);

static void ath10k_htc_control_rx_complete(struct ath10k *ar,
					   struct sk_buff *skb)
{ … }

/***************/
/* Init/Deinit */
/***************/

static const char *htc_service_name(enum ath10k_htc_svc_id id)
{ … }

static void ath10k_htc_reset_endpoint_states(struct ath10k_htc *htc)
{ … }

static u8 ath10k_htc_get_credit_allocation(struct ath10k_htc *htc,
					   u16 service_id)
{ … }

static int ath10k_htc_send_bundle(struct ath10k_htc_ep *ep,
				  struct sk_buff *bundle_skb,
				  struct sk_buff_head *tx_save_head)
{ … }

static void ath10k_htc_send_one_skb(struct ath10k_htc_ep *ep, struct sk_buff *skb)
{ … }

static int ath10k_htc_send_bundle_skbs(struct ath10k_htc_ep *ep)
{ … }

static void ath10k_htc_bundle_tx_work(struct work_struct *work)
{ … }

static void ath10k_htc_tx_complete_work(struct work_struct *work)
{ … }

int ath10k_htc_send_hl(struct ath10k_htc *htc,
		       enum ath10k_htc_ep_id eid,
		       struct sk_buff *skb)
{ … }

void ath10k_htc_setup_tx_req(struct ath10k_htc_ep *ep)
{ … }

void ath10k_htc_stop_hl(struct ath10k *ar)
{ … }

int ath10k_htc_wait_target(struct ath10k_htc *htc)
{ … }

void ath10k_htc_change_tx_credit_flow(struct ath10k_htc *htc,
				      enum ath10k_htc_ep_id eid,
				      bool enable)
{ … }

int ath10k_htc_connect_service(struct ath10k_htc *htc,
			       struct ath10k_htc_svc_conn_req *conn_req,
			       struct ath10k_htc_svc_conn_resp *conn_resp)
{ … }

struct sk_buff *ath10k_htc_alloc_skb(struct ath10k *ar, int size)
{ … }

static void ath10k_htc_pktlog_process_rx(struct ath10k *ar, struct sk_buff *skb)
{ … }

static int ath10k_htc_pktlog_connect(struct ath10k *ar)
{ … }

static bool ath10k_htc_pktlog_svc_supported(struct ath10k *ar)
{ … }

int ath10k_htc_start(struct ath10k_htc *htc)
{ … }

/* registered target arrival callback from the HIF layer */
int ath10k_htc_init(struct ath10k *ar)
{ … }