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Release 4.11 net/netfilter/nft_dup_netdev.c

Directory: net/netfilter
/*
 * Copyright (c) 2015 Pablo Neira Ayuso <pablo@netfilter.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/netlink.h>
#include <linux/netfilter.h>
#include <linux/netfilter/nf_tables.h>
#include <net/netfilter/nf_tables.h>
#include <net/netfilter/nf_dup_netdev.h>


struct nft_dup_netdev {
	
enum nft_registers	sreg_dev:8;
};


static void nft_dup_netdev_eval(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt) { struct nft_dup_netdev *priv = nft_expr_priv(expr); int oif = regs->data[priv->sreg_dev]; nf_dup_netdev_egress(pkt, oif); }

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Pablo Neira Ayuso52100.00%1100.00%
Total52100.00%1100.00%

static const struct nla_policy nft_dup_netdev_policy[NFTA_DUP_MAX + 1] = { [NFTA_DUP_SREG_DEV] = { .type = NLA_U32 }, };
static int nft_dup_netdev_init(const struct nft_ctx *ctx, const struct nft_expr *expr, const struct nlattr * const tb[]) { struct nft_dup_netdev *priv = nft_expr_priv(expr); if (tb[NFTA_DUP_SREG_DEV] == NULL) return -EINVAL; priv->sreg_dev = nft_parse_register(tb[NFTA_DUP_SREG_DEV]); return nft_validate_register_load(priv->sreg_dev, sizeof(int)); }

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Pablo Neira Ayuso74100.00%1100.00%
Total74100.00%1100.00%

static const struct nft_expr_ops nft_dup_netdev_ingress_ops;
static int nft_dup_netdev_dump(struct sk_buff *skb, const struct nft_expr *expr) { struct nft_dup_netdev *priv = nft_expr_priv(expr); if (nft_dump_register(skb, NFTA_DUP_SREG_DEV, priv->sreg_dev)) goto nla_put_failure; return 0; nla_put_failure: return -1; }

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Pablo Neira Ayuso52100.00%1100.00%
Total52100.00%1100.00%

static struct nft_expr_type nft_dup_netdev_type; static const struct nft_expr_ops nft_dup_netdev_ops = { .type = &nft_dup_netdev_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_dup_netdev)), .eval = nft_dup_netdev_eval, .init = nft_dup_netdev_init, .dump = nft_dup_netdev_dump, }; static struct nft_expr_type nft_dup_netdev_type __read_mostly = { .family = NFPROTO_NETDEV, .name = "dup", .ops = &nft_dup_netdev_ops, .policy = nft_dup_netdev_policy, .maxattr = NFTA_DUP_MAX, .owner = THIS_MODULE, };
static int __init nft_dup_netdev_module_init(void) { return nft_register_expr(&nft_dup_netdev_type); }

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Pablo Neira Ayuso16100.00%1100.00%
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static void __exit nft_dup_netdev_module_exit(void) { nft_unregister_expr(&nft_dup_netdev_type); }

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Pablo Neira Ayuso15100.00%1100.00%
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module_init(nft_dup_netdev_module_init); module_exit(nft_dup_netdev_module_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>"); MODULE_ALIAS_NFT_AF_EXPR(5, "dup");

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Pablo Neira Ayuso387100.00%1100.00%
Total387100.00%1100.00%
Directory: net/netfilter
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