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Subject[PATCH 2/2] netfilter: nf_tables: add requirements for connsecmark support
Date
Add ability to set the connection tracking secmark value.

Add ability to set the meta secmark value.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
---

Based on nf-next
Tested with v4.18.8

net/netfilter/nft_ct.c | 15 +++++++++++++++
net/netfilter/nft_meta.c | 8 ++++++++
2 files changed, 23 insertions(+)

diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index d74afa707..dcc451c20 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -298,6 +298,14 @@ static void nft_ct_set_eval(const struct nft_expr *expr,
}
break;
#endif
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+ case NFT_CT_SECMARK:
+ if (ct->secmark != value) {
+ ct->secmark = value;
+ nf_conntrack_event_cache(IPCT_SECMARK, ct);
+ }
+ break;
+#endif
#ifdef CONFIG_NF_CONNTRACK_LABELS
case NFT_CT_LABELS:
nf_connlabels_replace(ct,
@@ -564,6 +572,13 @@ static int nft_ct_set_init(const struct nft_ctx *ctx,
return -EINVAL;
len = sizeof(u32);
break;
+#endif
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+ case NFT_CT_SECMARK:
+ if (tb[NFTA_CT_DIRECTION])
+ return -EINVAL;
+ len = sizeof(u32);
+ break;
#endif
default:
return -EOPNOTSUPP;
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index ac5df9508..555fcd66b 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -284,6 +284,11 @@ static void nft_meta_set_eval(const struct nft_expr *expr,

skb->nf_trace = !!value8;
break;
+#ifdef CONFIG_NETWORK_SECMARK
+ case NFT_META_SECMARK:
+ skb->secmark = value;
+ break;
+#endif
default:
WARN_ON(1);
}
@@ -436,6 +441,9 @@ static int nft_meta_set_init(const struct nft_ctx *ctx,
switch (priv->key) {
case NFT_META_MARK:
case NFT_META_PRIORITY:
+#ifdef CONFIG_NETWORK_SECMARK
+ case NFT_META_SECMARK:
+#endif
len = sizeof(u32);
break;
case NFT_META_NFTRACE:
--
2.19.0
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