netfilter: nft_meta_bridge: Remove the br_private.h header

#include <net/netfilter/nf_tables.h>

#include <net/netfilter/nft_meta.h>

#include "../br_private.h"

static const struct net_device *

nft_meta_get_bridge(const struct net_device *dev)

{

	if (dev && netif_is_bridge_port(dev))

		return netdev_master_upper_dev_get_rcu((struct net_device *)dev);

	return NULL;

}

static void nft_meta_bridge_get_eval(const struct nft_expr *expr,

				     struct nft_regs *regs,

	const struct nft_meta *priv = nft_expr_priv(expr);

	const struct net_device *in = nft_in(pkt), *out = nft_out(pkt);

	u32 *dest = &regs->data[priv->dreg];

	const struct net_bridge_port *p;

	const struct net_device *br_dev;

	switch (priv->key) {

	case NFT_META_BRI_IIFNAME:

		if (in == NULL || (p = br_port_get_rcu(in)) == NULL)

		br_dev = nft_meta_get_bridge(in);

		if (!br_dev)

			goto err;

		break;

	case NFT_META_BRI_OIFNAME:

		if (out == NULL || (p = br_port_get_rcu(out)) == NULL)

		br_dev = nft_meta_get_bridge(out);

		if (!br_dev)

			goto err;

		break;

	default:

		goto out;

	}

	strncpy((char *)dest, p->br->dev->name, IFNAMSIZ);

	strncpy((char *)dest, br_dev->name, IFNAMSIZ);

	return;

out:

	return nft_meta_get_eval(expr, regs, pkt);