linux-kernel - [PATCH 5.15 084/917] ifb: Depend on netfilter alternatively to tc

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Message-Id: <20211115165431.605879995@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 17:52:59 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Lukas Wunner <lukas@...ner.de>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 5.15 084/917] ifb: Depend on netfilter alternatively to tc

From: Lukas Wunner <lukas@...ner.de>

commit 046178e726c2977d686ba5e07105d5a6685c830e upstream.

IFB originally depended on NET_CLS_ACT for traffic redirection.
But since v4.5, that may be achieved with NFT_FWD_NETDEV as well.

Fixes: 39e6dea28adc ("netfilter: nf_tables: add forward expression to the netdev family")
Signed-off-by: Lukas Wunner <lukas@...ner.de>
Cc: <stable@...r.kernel.org> # v4.5+: bcfabee1afd9: netfilter: nft_fwd_netdev: allow to redirect to ifb via ingress
Cc: <stable@...r.kernel.org> # v4.5+
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -150,7 +150,7 @@ config NET_FC
 
 config IFB
 	tristate "Intermediate Functional Block support"
-	depends on NET_CLS_ACT
+	depends on NET_ACT_MIRRED || NFT_FWD_NETDEV
 	select NET_REDIRECT
 	help
 	  This is an intermediate driver that allows sharing of