[DECNET]: add memory buffer settings

[pandora-kernel.git] / net / decnet / af_decnet.c

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index f89e55f..d402e90 100644 (file)
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -153,6 +153,7 @@ static struct proto_ops dn_proto_ops;
 static DEFINE_RWLOCK(dn_hash_lock);
 static struct hlist_head dn_sk_hash[DN_SK_HASH_SIZE];
 static struct hlist_head dn_wild_sk;
+static atomic_t decnet_memory_allocated;
 
 static int __dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen, int flags);
 static int __dn_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen, int flags);
@@ -446,10 +447,26 @@ static void dn_destruct(struct sock *sk)
        dst_release(xchg(&sk->sk_dst_cache, NULL));
 }
 
+static int dn_memory_pressure;
+
+static void dn_enter_memory_pressure(void)
+{
+       if (!dn_memory_pressure) {
+               dn_memory_pressure = 1;
+       }
+}
+
 static struct proto dn_proto = {
-       .name     = "DECNET",
-       .owner    = THIS_MODULE,
-       .obj_size = sizeof(struct dn_sock),
+       .name                   = "NSP",
+       .owner                  = THIS_MODULE,
+       .enter_memory_pressure  = dn_enter_memory_pressure,
+       .memory_pressure        = &dn_memory_pressure,
+       .memory_allocated       = &decnet_memory_allocated,
+       .sysctl_mem             = sysctl_decnet_mem,
+       .sysctl_wmem            = sysctl_decnet_wmem,
+       .sysctl_rmem            = sysctl_decnet_rmem,
+       .max_header             = DN_MAX_NSP_DATA_HEADER + 64,
+       .obj_size               = sizeof(struct dn_sock),
 };
 
 static struct sock *dn_alloc_sock(struct socket *sock, gfp_t gfp)
@@ -470,6 +487,8 @@ static struct sock *dn_alloc_sock(struct socket *sock, gfp_t gfp)
        sk->sk_family      = PF_DECnet;
        sk->sk_protocol    = 0;
        sk->sk_allocation  = gfp;
+       sk->sk_sndbuf      = sysctl_decnet_wmem[1];
+       sk->sk_rcvbuf      = sysctl_decnet_rmem[1];
 
        /* Initialization of DECnet Session Control Port                */
        scp = DN_SK(sk);