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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 12/28] netfilter: flowtable: add counter support
Date: Mon, 30 Mar 2020 21:21:20 +0200	[thread overview]
Message-ID: <20200330192136.230459-13-pablo@netfilter.org> (raw)
In-Reply-To: <20200330192136.230459-1-pablo@netfilter.org>

Add a new flag to turn on flowtable counters which are stored in the
conntrack entry.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 include/net/netfilter/nf_flow_table.h    | 1 +
 include/uapi/linux/netfilter/nf_tables.h | 5 ++++-
 net/netfilter/nf_flow_table_ip.c         | 7 +++++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index 4beb7f13bc50..4a2ec6fd9ad2 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -63,6 +63,7 @@ struct nf_flowtable_type {
 
 enum nf_flowtable_flags {
 	NF_FLOWTABLE_HW_OFFLOAD		= 0x1,	/* NFT_FLOWTABLE_HW_OFFLOAD */
+	NF_FLOWTABLE_COUNTER		= 0x2,	/* NFT_FLOWTABLE_COUNTER */
 };
 
 struct nf_flowtable {
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index 717ee3aa05d7..30f2a87270dc 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -1557,10 +1557,13 @@ enum nft_object_attributes {
  * enum nft_flowtable_flags - nf_tables flowtable flags
  *
  * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
+ * @NFT_FLOWTABLE_COUNTER: enable flow counters
  */
 enum nft_flowtable_flags {
 	NFT_FLOWTABLE_HW_OFFLOAD	= 0x1,
-	NFT_FLOWTABLE_MASK		= NFT_FLOWTABLE_HW_OFFLOAD
+	NFT_FLOWTABLE_COUNTER		= 0x2,
+	NFT_FLOWTABLE_MASK		= (NFT_FLOWTABLE_HW_OFFLOAD |
+					   NFT_FLOWTABLE_COUNTER)
 };
 
 /**
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 5272721080f8..553cc0d5695a 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -12,6 +12,7 @@
 #include <net/ip6_route.h>
 #include <net/neighbour.h>
 #include <net/netfilter/nf_flow_table.h>
+#include <net/netfilter/nf_conntrack_acct.h>
 /* For layer 4 checksum field offset. */
 #include <linux/tcp.h>
 #include <linux/udp.h>
@@ -286,6 +287,9 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
 	ip_decrease_ttl(iph);
 	skb->tstamp = 0;
 
+	if (flow_table->flags & NF_FLOWTABLE_COUNTER)
+		nf_ct_acct_update(flow->ct, tuplehash->tuple.dir, skb->len);
+
 	if (unlikely(dst_xfrm(&rt->dst))) {
 		memset(skb->cb, 0, sizeof(struct inet_skb_parm));
 		IPCB(skb)->iif = skb->dev->ifindex;
@@ -516,6 +520,9 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
 	ip6h->hop_limit--;
 	skb->tstamp = 0;
 
+	if (flow_table->flags & NF_FLOWTABLE_COUNTER)
+		nf_ct_acct_update(flow->ct, tuplehash->tuple.dir, skb->len);
+
 	if (unlikely(dst_xfrm(&rt->dst))) {
 		memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
 		IP6CB(skb)->iif = skb->dev->ifindex;
-- 
2.11.0


  parent reply	other threads:[~2020-03-30 19:22 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-30 19:21 [PATCH 00/28] Netfilter/IPVS updates for net-next Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 01/28] netfilter: nf_tables: move nft_expr_clone() to nf_tables_api.c Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 02/28] netfilter: nf_tables: pass context to nft_set_destroy() Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 03/28] netfilter: nf_tables: allow to specify stateful expression in set definition Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 04/28] netfilter: nf_tables: fix double-free on set expression from the error path Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 05/28] netfilter: nf_tables: add nft_set_elem_expr_destroy() and use it Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 06/28] netfilter: flowtable: fix NULL pointer dereference in tunnel offload support Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 07/28] netfilter: ctnetlink: Add missing annotation for ctnetlink_parse_nat_setup() Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 08/28] netfilter: conntrack: Add missing annotations for nf_conntrack_all_lock() and nf_conntrack_all_unlock() Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 09/28] ipvs: optimize tunnel dumps for icmp errors Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 10/28] netfilter: conntrack: export nf_ct_acct_update() Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 11/28] netfilter: nf_tables: add enum nft_flowtable_flags to uapi Pablo Neira Ayuso
2020-03-30 19:21 ` Pablo Neira Ayuso [this message]
2020-03-30 19:21 ` [PATCH 13/28] netfilter: flowtable: Fix incorrect tc_setup_type type Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 14/28] netfilter: nf_tables: silence a RCU-list warning in nft_table_lookup() Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 15/28] netfilter: flowtable: Use rw sem as flow block lock Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 16/28] netfilter: flowtable: Use work entry per offload command Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 17/28] netfilter: nf_queue: make nf_queue_entry_release_refs static Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 18/28] netfilter: nf_queue: place bridge physports into queue_entry struct Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 19/28] netfilter: nf_queue: do not release refcouts until nf_reinject is done Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 20/28] netfilter: nf_queue: prefer nf_queue_entry_free Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 21/28] netfilter: ctnetlink: be more strict when NF_CONNTRACK_MARK is not set Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 22/28] netfilter: nft_set_bitmap: initialize set element extension in lookups Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 23/28] netfilter: nft_dynset: validate set expression definition Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 24/28] netfilter: nf_tables: skip set types that do not support for expressions Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 25/28] netfilter: conntrack: add nf_ct_acct_add() Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 26/28] netfilter: flowtable: add counter support in HW offload Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 27/28] netfilter: nft_exthdr: fix endianness of tcp option cast Pablo Neira Ayuso
2020-03-30 19:21 ` [PATCH 28/28] ipvs: fix uninitialized variable warning Pablo Neira Ayuso
2020-03-31  3:11 ` [PATCH 00/28] Netfilter/IPVS updates for net-next David Miller

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