netdev - [PATCH net-next 07/19] netfilter: nft_meta: extend reduce support to bridge family

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Message-Id: <20220321123052.70553-8-pablo@netfilter.org>
Date:   Mon, 21 Mar 2022 13:30:40 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org, kuba@...nel.org
Subject: [PATCH net-next 07/19] netfilter: nft_meta: extend reduce support to bridge family

From: Florian Westphal <fw@...len.de>

its enough to export the meta get reduce helper and then call it
from nft_meta_bridge too.

Signed-off-by: Florian Westphal <fw@...len.de>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 include/net/netfilter/nft_meta.h       | 2 ++
 net/bridge/netfilter/nft_meta_bridge.c | 1 +
 net/netfilter/nft_meta.c               | 5 +++--
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/net/netfilter/nft_meta.h b/include/net/netfilter/nft_meta.h
index 246fd023dcf4..9b51cc67de54 100644
--- a/include/net/netfilter/nft_meta.h
+++ b/include/net/netfilter/nft_meta.h
@@ -44,4 +44,6 @@ int nft_meta_set_validate(const struct nft_ctx *ctx,
 			  const struct nft_expr *expr,
 			  const struct nft_data **data);
 
+bool nft_meta_get_reduce(struct nft_regs_track *track,
+			 const struct nft_expr *expr);
 #endif
diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c
index 380a31ebf840..8c3eaba87ad2 100644
--- a/net/bridge/netfilter/nft_meta_bridge.c
+++ b/net/bridge/netfilter/nft_meta_bridge.c
@@ -99,6 +99,7 @@ static const struct nft_expr_ops nft_meta_bridge_get_ops = {
 	.eval		= nft_meta_bridge_get_eval,
 	.init		= nft_meta_bridge_get_init,
 	.dump		= nft_meta_get_dump,
+	.reduce		= nft_meta_get_reduce,
 };
 
 static bool nft_meta_bridge_set_reduce(struct nft_regs_track *track,
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index 482eed7c7bbf..ac4859241e17 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -752,8 +752,8 @@ static int nft_meta_get_offload(struct nft_offload_ctx *ctx,
 	return 0;
 }
 
-static bool nft_meta_get_reduce(struct nft_regs_track *track,
-				const struct nft_expr *expr)
+bool nft_meta_get_reduce(struct nft_regs_track *track,
+			 const struct nft_expr *expr)
 {
 	const struct nft_meta *priv = nft_expr_priv(expr);
 	const struct nft_meta *meta;
@@ -775,6 +775,7 @@ static bool nft_meta_get_reduce(struct nft_regs_track *track,
 
 	return nft_expr_reduce_bitwise(track, expr);
 }
+EXPORT_SYMBOL_GPL(nft_meta_get_reduce);
 
 static const struct nft_expr_ops nft_meta_get_ops = {
 	.type		= &nft_meta_type,
-- 
2.30.2