From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 09/12] netfilter: nft_ct: Add ct id support
Date: Mon, 6 May 2019 01:33:02 +0200 [thread overview]
Message-ID: <20190505233305.13650-10-pablo@netfilter.org> (raw)
In-Reply-To: <20190505233305.13650-1-pablo@netfilter.org>
From: Brett Mastbergen <bmastbergen@untangle.com>
The 'id' key returns the unique id of the conntrack entry as returned
by nf_ct_get_id().
Signed-off-by: Brett Mastbergen <bmastbergen@untangle.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
include/uapi/linux/netfilter/nf_tables.h | 2 ++
net/netfilter/nft_ct.c | 8 ++++++++
2 files changed, 10 insertions(+)
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index 061bb3eb20c3..f0cf7b0f4f35 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -967,6 +967,7 @@ enum nft_socket_keys {
* @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
* @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
* @NFT_CT_TIMEOUT: connection tracking timeout policy assigned to conntrack
+ * @NFT_CT_ID: conntrack id
*/
enum nft_ct_keys {
NFT_CT_STATE,
@@ -993,6 +994,7 @@ enum nft_ct_keys {
NFT_CT_SRC_IP6,
NFT_CT_DST_IP6,
NFT_CT_TIMEOUT,
+ NFT_CT_ID,
__NFT_CT_MAX
};
#define NFT_CT_MAX (__NFT_CT_MAX - 1)
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index b422b74bfe08..f043936763f3 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -178,6 +178,11 @@ static void nft_ct_get_eval(const struct nft_expr *expr,
return;
}
#endif
+ case NFT_CT_ID:
+ if (!nf_ct_is_confirmed(ct))
+ goto err;
+ *dest = nf_ct_get_id(ct);
+ return;
default:
break;
}
@@ -479,6 +484,9 @@ static int nft_ct_get_init(const struct nft_ctx *ctx,
len = sizeof(u16);
break;
#endif
+ case NFT_CT_ID:
+ len = sizeof(u32);
+ break;
default:
return -EOPNOTSUPP;
}
--
2.11.0
next prev parent reply other threads:[~2019-05-05 23:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-05 23:32 [PATCH 00/12] Netfilter updates for net-next Pablo Neira Ayuso
2019-05-05 23:32 ` [PATCH 01/12] netfilter: nf_tables: relocate header content to consumer Pablo Neira Ayuso
2019-05-05 23:32 ` [PATCH 02/12] netfilter: nf_tables: fix implicit include of module.h Pablo Neira Ayuso
2019-05-05 23:32 ` [PATCH 03/12] netfilter: nf_tables: drop include of module.h from nf_tables.h Pablo Neira Ayuso
2019-05-05 23:32 ` [PATCH 04/12] netfilter: conntrack: limit sysctl setting for boolean options Pablo Neira Ayuso
2019-05-05 23:32 ` [PATCH 05/12] netfilter: use macros to create module aliases Pablo Neira Ayuso
2019-05-05 23:32 ` [PATCH 06/12] netfilter: add API to manage NAT helpers Pablo Neira Ayuso
2019-05-05 23:33 ` [PATCH 07/12] netfilter: nf_nat: register " Pablo Neira Ayuso
2019-05-05 23:33 ` [PATCH 08/12] openvswitch: load and reference the NAT helper Pablo Neira Ayuso
2019-05-05 23:33 ` Pablo Neira Ayuso [this message]
2019-05-05 23:33 ` [PATCH 10/12] netfilter: connlabels: fix spelling mistake "trackling" -> "tracking" Pablo Neira Ayuso
2019-05-05 23:33 ` [PATCH 11/12] netfilter: xt_hashlimit: use struct_size() helper Pablo Neira Ayuso
2019-05-05 23:33 ` [PATCH 12/12] netfilter: slightly optimize nf_inet_addr_mask Pablo Neira Ayuso
2019-05-06 4:35 ` [PATCH 00/12] Netfilter updates for net-next David Miller
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