netdev - [PATCH net-next 5/5] net: skbuff: hide nf_trace and ipvs

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Message-Id: <20230414160105.172125-6-kuba@kernel.org>
Date:   Fri, 14 Apr 2023 09:01:05 -0700
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>, pablo@...filter.org,
        fw@...len.de
Subject: [PATCH net-next 5/5] net: skbuff: hide nf_trace and ipvs_property

Accesses to nf_trace and ipvs_property are already wrapped
by ifdefs where necessary. Don't allocate the bits for those
fields at all if possible.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
CC: pablo@...filter.org
CC: fw@...len.de
---
 include/linux/skbuff.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 543f7ae9f09f..7b43d5a03613 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -966,8 +966,12 @@ struct sk_buff {
 	__u8			ndisc_nodetype:2;
 #endif
 
+#if IS_ENABLED(CONFIG_IP_VS)
 	__u8			ipvs_property:1;
+#endif
+#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) || defined(CONFIG_NF_TABLES)
 	__u8			nf_trace:1;
+#endif
 #ifdef CONFIG_NET_SWITCHDEV
 	__u8			offload_fwd_mark:1;
 	__u8			offload_l3_fwd_mark:1;
-- 
2.39.2