This is a note to let you know that I've just added the patch titled ifb: Depend on netfilter alternatively to tc to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ifb-depend-on-netfilter-alternatively-to-tc.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 046178e726c2977d686ba5e07105d5a6685c830e Mon Sep 17 00:00:00 2001 From: Lukas Wunner <lukas@xxxxxxxxx> Date: Tue, 26 Oct 2021 07:15:32 +0200 Subject: ifb: Depend on netfilter alternatively to tc From: Lukas Wunner <lukas@xxxxxxxxx> 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@xxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # v4.5+: bcfabee1afd9: netfilter: nft_fwd_netdev: allow to redirect to ifb via ingress Cc: <stable@xxxxxxxxxxxxxxx> # v4.5+ Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -104,7 +104,7 @@ config NET_FC config IFB tristate "Intermediate Functional Block support" - depends on NET_CLS_ACT + depends on NET_ACT_MIRRED || NFT_FWD_NETDEV ---help--- This is an intermediate driver that allows sharing of resources. Patches currently in stable-queue which might be from lukas@xxxxxxxxx are queue-4.19/ifb-depend-on-netfilter-alternatively-to-tc.patch