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authorPatrick McHardy <kaber@trash.net>2015-04-11 02:27:31 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2015-04-13 17:17:07 +0200
commita55e22e92f1a31018e6dc8fce35380900f022c24 (patch)
tree6acac379a7a836efbae5aa2b0bac292b953f0db4 /net/netfilter/nft_compat.c
parentd07db9884a5fba8c8020166c86183c79a18d066a (diff)
downloadlinux-a55e22e92f1a31018e6dc8fce35380900f022c24.tar.gz
netfilter: nf_tables: get rid of NFT_REG_VERDICT usage
Replace the array of registers passed to expressions by a struct nft_regs, containing the verdict as a seperate member, which aliases to the NFT_REG_VERDICT register. This is needed to seperate the verdict from the data registers completely, so their size can be changed. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nft_compat.c')
-rw-r--r--net/netfilter/nft_compat.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index 0d137c1ac889ea..7f29cfc76349f5 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -55,7 +55,7 @@ nft_compat_set_par(struct xt_action_param *par, void *xt, const void *xt_info)
}
static void nft_target_eval_xt(const struct nft_expr *expr,
- struct nft_data data[NFT_REG_MAX + 1],
+ struct nft_regs *regs,
const struct nft_pktinfo *pkt)
{
void *info = nft_expr_priv(expr);
@@ -72,16 +72,16 @@ static void nft_target_eval_xt(const struct nft_expr *expr,
switch (ret) {
case XT_CONTINUE:
- data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
+ regs->verdict.code = NFT_CONTINUE;
break;
default:
- data[NFT_REG_VERDICT].verdict = ret;
+ regs->verdict.code = ret;
break;
}
}
static void nft_target_eval_bridge(const struct nft_expr *expr,
- struct nft_data data[NFT_REG_MAX + 1],
+ struct nft_regs *regs,
const struct nft_pktinfo *pkt)
{
void *info = nft_expr_priv(expr);
@@ -98,19 +98,19 @@ static void nft_target_eval_bridge(const struct nft_expr *expr,
switch (ret) {
case EBT_ACCEPT:
- data[NFT_REG_VERDICT].verdict = NF_ACCEPT;
+ regs->verdict.code = NF_ACCEPT;
break;
case EBT_DROP:
- data[NFT_REG_VERDICT].verdict = NF_DROP;
+ regs->verdict.code = NF_DROP;
break;
case EBT_CONTINUE:
- data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
+ regs->verdict.code = NFT_CONTINUE;
break;
case EBT_RETURN:
- data[NFT_REG_VERDICT].verdict = NFT_RETURN;
+ regs->verdict.code = NFT_RETURN;
break;
default:
- data[NFT_REG_VERDICT].verdict = ret;
+ regs->verdict.code = ret;
break;
}
}
@@ -304,7 +304,7 @@ static int nft_target_validate(const struct nft_ctx *ctx,
}
static void nft_match_eval(const struct nft_expr *expr,
- struct nft_data data[NFT_REG_MAX + 1],
+ struct nft_regs *regs,
const struct nft_pktinfo *pkt)
{
void *info = nft_expr_priv(expr);
@@ -317,16 +317,16 @@ static void nft_match_eval(const struct nft_expr *expr,
ret = match->match(skb, (struct xt_action_param *)&pkt->xt);
if (pkt->xt.hotdrop) {
- data[NFT_REG_VERDICT].verdict = NF_DROP;
+ regs->verdict.code = NF_DROP;
return;
}
switch (ret ? 1 : 0) {
case 1:
- data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
+ regs->verdict.code = NFT_CONTINUE;
break;
case 0:
- data[NFT_REG_VERDICT].verdict = NFT_BREAK;
+ regs->verdict.code = NFT_BREAK;
break;
}
}