[DECNET]: add memory buffer settings

The patch (originally from Steve) simply adds memory buffer settings to 
DECnet similar to those in TCP.

Signed-off-by: Patrick Caulfield <patrick@tykepenguin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 6bc03c911a83..4be34ef8c2f7 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -670,6 +670,9 @@ enum {
         NET_DECNET_DST_GC_INTERVAL = 9,
         NET_DECNET_CONF = 10,
         NET_DECNET_NO_FC_MAX_CWND = 11,
+        NET_DECNET_MEM = 12,
+        NET_DECNET_RMEM = 13,
+        NET_DECNET_WMEM = 14,
         NET_DECNET_DEBUG_LEVEL = 255
 };
 
diff --git a/include/net/dn.h b/include/net/dn.h
index c1dbbd222793..a4b6168e1e25 100644
--- a/include/net/dn.h
+++ b/include/net/dn.h
@@ -234,4 +234,8 @@ extern int decnet_di_count;
 extern int decnet_dr_count;
 extern int decnet_no_fc_max_cwnd;
 
+extern int sysctl_decnet_mem[3];
+extern int sysctl_decnet_wmem[3];
+extern int sysctl_decnet_rmem[3];
+
 #endif /* _NET_DN_H */