linux/net/caif/cfctrl.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) ST-Ericsson AB 2010
 * Author:	Sjur Brendeland
 */

#define pr_fmt(fmt) …

#include <linux/stddef.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/pkt_sched.h>
#include <net/caif/caif_layer.h>
#include <net/caif/cfpkt.h>
#include <net/caif/cfctrl.h>

#define container_obj(layr) …
#define UTILITY_NAME_LENGTH …
#define CFPKT_CTRL_PKT_LEN …

#ifdef CAIF_NO_LOOP
static int handle_loop(struct cfctrl *ctrl,
		       int cmd, struct cfpkt *pkt){
	return -1;
}
#else
static int handle_loop(struct cfctrl *ctrl,
		       int cmd, struct cfpkt *pkt);
#endif
static int cfctrl_recv(struct cflayer *layr, struct cfpkt *pkt);
static void cfctrl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
			   int phyid);


struct cflayer *cfctrl_create(void)
{ … }

void cfctrl_remove(struct cflayer *layer)
{ … }

static bool param_eq(const struct cfctrl_link_param *p1,
		     const struct cfctrl_link_param *p2)
{ … }

static bool cfctrl_req_eq(const struct cfctrl_request_info *r1,
			  const struct cfctrl_request_info *r2)
{ … }

/* Insert request at the end */
static void cfctrl_insert_req(struct cfctrl *ctrl,
			      struct cfctrl_request_info *req)
{ … }

/* Compare and remove request */
static struct cfctrl_request_info *cfctrl_remove_req(struct cfctrl *ctrl,
						struct cfctrl_request_info *req)
{ … }

struct cfctrl_rsp *cfctrl_get_respfuncs(struct cflayer *layer)
{ … }

static void init_info(struct caif_payload_info *info, struct cfctrl *cfctrl)
{ … }

void cfctrl_enum_req(struct cflayer *layer, u8 physlinkid)
{ … }

int cfctrl_linkup_request(struct cflayer *layer,
			  struct cfctrl_link_param *param,
			  struct cflayer *user_layer)
{ … }

int cfctrl_linkdown_req(struct cflayer *layer, u8 channelid,
			struct cflayer *client)
{ … }

int cfctrl_cancel_req(struct cflayer *layr, struct cflayer *adap_layer)
{ … }

static int cfctrl_recv(struct cflayer *layer, struct cfpkt *pkt)
{ … }

static void cfctrl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
			   int phyid)
{ … }

#ifndef CAIF_NO_LOOP
static int handle_loop(struct cfctrl *ctrl, int cmd, struct cfpkt *pkt)
{ … }
#endif