linux/net/caif/cffrml.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * CAIF Framing Layer.
 *
 * 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/crc-ccitt.h>
#include <linux/netdevice.h>
#include <net/caif/caif_layer.h>
#include <net/caif/cfpkt.h>
#include <net/caif/cffrml.h>

#define container_obj(layr) …

struct cffrml { … };

static int cffrml_receive(struct cflayer *layr, struct cfpkt *pkt);
static int cffrml_transmit(struct cflayer *layr, struct cfpkt *pkt);
static void cffrml_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
			   int phyid);

static u32 cffrml_rcv_error;
static u32 cffrml_rcv_checsum_error;
struct cflayer *cffrml_create(u16 phyid, bool use_fcs)
{ … }

void cffrml_free(struct cflayer *layer)
{ … }

void cffrml_set_uplayer(struct cflayer *this, struct cflayer *up)
{ … }

void cffrml_set_dnlayer(struct cflayer *this, struct cflayer *dn)
{ … }

static u16 cffrml_checksum(u16 chks, void *buf, u16 len)
{ … }

static int cffrml_receive(struct cflayer *layr, struct cfpkt *pkt)
{ … }

static int cffrml_transmit(struct cflayer *layr, struct cfpkt *pkt)
{ … }

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

void cffrml_put(struct cflayer *layr)
{ … }

void cffrml_hold(struct cflayer *layr)
{ … }

int cffrml_refcnt_read(struct cflayer *layr)
{ … }