netdev - [PATCH 22/31] netfilter: nf_tables: increase maximum devices number per flowtable

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Date:   Sat, 26 Oct 2019 13:47:24 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 22/31] netfilter: nf_tables: increase maximum devices number per flowtable

Rise the maximum limit of devices per flowtable up to 256. Rename
NFT_FLOWTABLE_DEVICE_MAX to NFT_NETDEVICE_MAX in preparation to reuse
the netdev hook parser for ingress basechain.

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 include/net/netfilter/nf_tables.h | 2 +-
 net/netfilter/nf_tables_api.c     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 7a2ac82ee0ad..3d71070e747a 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -1152,7 +1152,7 @@ struct nft_object_ops {
 int nft_register_obj(struct nft_object_type *obj_type);
 void nft_unregister_obj(struct nft_object_type *obj_type);
 
-#define NFT_FLOWTABLE_DEVICE_MAX	8
+#define NFT_NETDEVICE_MAX	256
 
 /**
  *	struct nft_flowtable - nf_tables flow table
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 2664bc388db4..98169af56c0f 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1577,7 +1577,7 @@ static int nf_tables_parse_netdev_hooks(struct net *net,
 		list_add_tail(&hook->list, hook_list);
 		n++;
 
-		if (n == NFT_FLOWTABLE_DEVICE_MAX) {
+		if (n == NFT_NETDEVICE_MAX) {
 			err = -EFBIG;
 			goto err_hook;
 		}
-- 
2.11.0