netdev - [PATCH net] selftests: net: add missing config for nftables-backed iptables

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Message-ID: <20240126201308.2903602-1-kuba@kernel.org>
Date: Fri, 26 Jan 2024 12:13:08 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	Jakub Kicinski <kuba@...nel.org>,
	shuah@...nel.org,
	linux-kselftest@...r.kernel.org
Subject: [PATCH net] selftests: net: add missing config for nftables-backed iptables

Modern OSes use iptables implementation with nf_tables as a backend,
e.g.:

$ iptables -V
iptables v1.8.8 (nf_tables)

Pablo points out that we need CONFIG_NFT_COMPAT to make that work,
otherwise we see a lot of:

  Warning: Extension DNAT revision 0 not supported, missing kernel module?

with DNAT being just an example here, other modules we need
include udp, TTL, length etc.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
Location for new entry chosen based on `sort --version-sort`.

CC: shuah@...nel.org
CC: linux-kselftest@...r.kernel.org
---
 tools/testing/selftests/net/config | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config
index 413ab9abcf1b..ba56f231e109 100644
--- a/tools/testing/selftests/net/config
+++ b/tools/testing/selftests/net/config
@@ -59,6 +59,7 @@ CONFIG_NET_SCH_HTB=m
 CONFIG_NET_SCH_FQ=m
 CONFIG_NET_SCH_ETF=m
 CONFIG_NET_SCH_NETEM=y
+CONFIG_NFT_COMPAT=m
 CONFIG_NF_FLOW_TABLE=m
 CONFIG_PSAMPLE=m
 CONFIG_TCP_MD5SIG=y
-- 
2.43.0