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#ifndef __LINUX_MROUTE_H
#define __LINUX_MROUTE_H

#include <linux/in.h>
#include <linux/pim.h>
#include <net/fib_rules.h>
#include <net/fib_notifier.h>
#include <uapi/linux/mroute.h>
#include <linux/mroute_base.h>
#include <linux/sockptr.h>

#ifdef CONFIG_IP_MROUTE
static inline int ip_mroute_opt(int opt)
{
	return opt >= MRT_BASE && opt <= MRT_MAX;
}

int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);
int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t);
int ipmr_ioctl(struct sock *sk, int cmd, void *arg);
int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
int ip_mr_init(void);
bool ipmr_rule_default(const struct fib_rule *rule);
int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
#else
static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
				       sockptr_t optval, unsigned int optlen)
{
	return -ENOPROTOOPT;
}

static inline int ip_mroute_getsockopt(struct sock *sk, int optname,
				       sockptr_t optval, sockptr_t optlen)
{
	return -ENOPROTOOPT;
}

static inline int ipmr_ioctl(struct sock *sk, int cmd, void *arg)
{
	return -ENOIOCTLCMD;
}

static inline int ip_mr_init(void)
{
	return 0;
}

static inline int ip_mroute_opt(int opt)
{
	return 0;
}

static inline bool ipmr_rule_default(const struct fib_rule *rule)
{
	return true;
}

static inline int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd,
				void __user *arg)
{
	return 1;
}
#endif

#define VIFF_STATIC 0x8000

struct mfc_cache_cmp_arg {
	__be32 mfc_mcastgrp;
	__be32 mfc_origin;
};

/**
 * struct mfc_cache - multicast routing entries
 * @_c: Common multicast routing information; has to be first [for casting]
 * @mfc_mcastgrp: destination multicast group address
 * @mfc_origin: source address
 * @cmparg: used for rhashtable comparisons
 */
struct mfc_cache {
	struct mr_mfc _c;
	union {
		struct {
			__be32 mfc_mcastgrp;
			__be32 mfc_origin;
		};
		struct mfc_cache_cmp_arg cmparg;
	};
};

struct rtmsg;
int ipmr_get_route(struct net *net, struct sk_buff *skb,
		   __be32 saddr, __be32 daddr,
		   struct rtmsg *rtm, u32 portid);
#endif
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     ˆÂÅƒi—CÁÄÃ     /* SPDX-License-Identifier: GPL-2.0
 *
 * Dmaengine driver base library for DMA controllers, found on SH-based SoCs
 *
 * extracted from shdma.c and headers
 *
 * Copyright (C) 2011-2012 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
 * Copyright (C) 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
 * Copyright (C) 2009 Renesas Solutions, Inc. All rights reserved.
 * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
 */

#ifndef SHDMA_BASE_H
#define SHDMA_BASE_H

#include <linux/dmaengine.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/types.h>

/**
 * shdma_pm_state - DMA channel PM state
 * SHDMA_PM_ESTABLISHED:	either idle or during data transfer
 * SHDMA_PM_BUSY:		during the transfer preparation, when we have to
 *				drop the lock temporarily
 * SHDMA_PM_PENDING:	transfers pending
 */
enum shdma_pm_state {
	SHDMA_PM_ESTABLISHED,
	SHDMA_PM_BUSY,
	SHDMA_PM_PENDING,
};

struct device;

/*
 * Drivers, using this library are expected to embed struct shdma_dev,
 * struct shdma_chan, struct shdma_desc, and struct shdma_slave
 * in their respective device, channel, descriptor and slave objects.
 */

struct shdma_slave {
	int slave_id;
};

struct shdma_desc {
	struct list_head node;
	struct dma_async_tx_descriptor async_tx;
	enum dma_transfer_direction direction;
	size_t partial;
	dma_cookie_t cookie;
	int chunks;
	int mark;
	bool cyclic;			/* used as cyclic transfer */
};

struct shdma_chan {
	spinlock_t chan_lock;		/* Channel operation lock */
	struct list_head ld_queue;	/* Link descriptors queue */
	struct list_head ld_free;	/* Free link descriptors */
	struct dma_chan dma_cha