ipv4: Namespaceify tcp syncookies sysctl knob

Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 1 deletions

diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 9e83084ab8c1..ac000fccdf0f 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -101,6 +101,8 @@ struct netns_ipv4 {
         int sysctl_tcp_syn_retries;
         int sysctl_tcp_synack_retries;
 
+        int sysctl_tcp_syncookies;
+
         struct ping_group_range ping_group_range;
 
         atomic_t dev_addr_genid;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 05659e860039..1fb23b70d237 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -243,7 +243,6 @@ extern int sysctl_tcp_fin_timeout;
 extern int sysctl_tcp_retries1;
 extern int sysctl_tcp_retries2;
 extern int sysctl_tcp_orphan_retries;
-extern int sysctl_tcp_syncookies;
 extern int sysctl_tcp_fastopen;
 extern int sysctl_tcp_retrans_collapse;
 extern int sysctl_tcp_stdurg;