Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

[linux-2.6-omap-h63xx.git] / net / decnet / af_decnet.c

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index f89e55f814d9b8c1a23737d10db90fd5914502ec..2b289ef20ab3e57460b412181eb3d7322b2b4b05 100644 (file)
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -122,6 +122,7 @@ Version 0.0.6    2.1.110   07-aug-98   Eduardo Marcelo Serrat
 #include <net/flow.h>
 #include <asm/system.h>
 #include <asm/ioctls.h>
+#include <linux/capability.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/proc_fs.h>
@@ -149,10 +150,11 @@ static void dn_keepalive(struct sock *sk);
 #define DN_SK_HASH_MASK (DN_SK_HASH_SIZE - 1)
 
 
-static struct proto_ops dn_proto_ops;
+static const 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);
@@ -170,7 +172,7 @@ static struct hlist_head *dn_find_list(struct sock *sk)
 /* 
  * Valid ports are those greater than zero and not already in use.
  */
-static int check_port(unsigned short port)
+static int check_port(__le16 port)
 {
        struct sock *sk;
        struct hlist_node *node;
@@ -446,10 +448,26 @@ 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 +488,8 @@ 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);
@@ -641,7 +661,7 @@ disc_reject:
        }
 }
 
-char *dn_addr2asc(dn_address addr, char *buf)
+char *dn_addr2asc(__u16 addr, char *buf)
 {
        unsigned short node, area;
 
@@ -781,7 +801,7 @@ static int dn_auto_bind(struct socket *sock)
        /* End of compatibility stuff */
 
        scp->addr.sdn_add.a_len = dn_htons(2);
-       rv = dn_dev_bind_default((dn_address *)scp->addr.sdn_add.a_addr);
+       rv = dn_dev_bind_default((__le16 *)scp->addr.sdn_add.a_addr);
        if (rv == 0) {
                rv = dn_hash_sock(sk);
                if (rv)
@@ -1001,7 +1021,7 @@ static void dn_user_copy(struct sk_buff *skb, struct optdata_dn *opt)
         opt->opt_optl   = *ptr++;
         opt->opt_status = 0;
         memcpy(opt->opt_data, ptr, opt->opt_optl);
-        skb_pull(skb, opt->opt_optl + 1);
+        skb_pull(skb, dn_ntohs(opt->opt_optl) + 1);
 
 }
 
@@ -1101,8 +1121,8 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
 
        skb_pull(skb, dn_username2sockaddr(skb->data, skb->len, &(DN_SK(newsk)->addr), &type));
        skb_pull(skb, dn_username2sockaddr(skb->data, skb->len, &(DN_SK(newsk)->peer), &type));
-       *(dn_address *)(DN_SK(newsk)->peer.sdn_add.a_addr) = cb->src;
-       *(dn_address *)(DN_SK(newsk)->addr.sdn_add.a_addr) = cb->dst;
+       *(__le16 *)(DN_SK(newsk)->peer.sdn_add.a_addr) = cb->src;
+       *(__le16 *)(DN_SK(newsk)->addr.sdn_add.a_addr) = cb->dst;
 
        menuver = *skb->data;
        skb_pull(skb, 1);
@@ -1233,7 +1253,7 @@ static int dn_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                break;
 
        default:
-               err = dev_ioctl(cmd, (void __user *)arg);
+               err = -ENOIOCTLCMD;
                break;
        }
 
@@ -1345,7 +1365,7 @@ static int __dn_setsockopt(struct socket *sock, int level,int optname, char __us
                        if (optlen != sizeof(struct optdata_dn))
                                return -EINVAL;
 
-                       if (u.opt.opt_optl > 16)
+                       if (dn_ntohs(u.opt.opt_optl) > 16)
                                return -EINVAL;
 
                        memcpy(&scp->conndata_out, &u.opt, optlen);
@@ -1358,7 +1378,7 @@ static int __dn_setsockopt(struct socket *sock, int level,int optname, char __us
                        if (optlen != sizeof(struct optdata_dn))
                                return -EINVAL;
 
-                       if (u.opt.opt_optl > 16)
+                       if (dn_ntohs(u.opt.opt_optl) > 16)
                                return -EINVAL;
 
                        memcpy(&scp->discdata_out, &u.opt, optlen);
@@ -1673,7 +1693,7 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
        if (rv)
                goto out;
 
-       if (flags & ~(MSG_PEEK|MSG_OOB|MSG_WAITALL|MSG_DONTWAIT|MSG_NOSIGNAL)) {
+       if (flags & ~(MSG_CMSG_COMPAT|MSG_PEEK|MSG_OOB|MSG_WAITALL|MSG_DONTWAIT|MSG_NOSIGNAL)) {
                rv = -EOPNOTSUPP;
                goto out;
        }
@@ -2323,7 +2343,7 @@ static struct net_proto_family    dn_family_ops = {
        .owner  =       THIS_MODULE,
 };
 
-static struct proto_ops dn_proto_ops = {
+static const struct proto_ops dn_proto_ops = {
        .family =       AF_DECnet,
        .owner =        THIS_MODULE,
        .release =      dn_release,