int vcc_create(struct socket *sock, int protocol, int family)
{
struct sock *sk;
struct atm_vcc *vcc;
sock->sk = NULL;
if (sock->type == SOCK_STREAM)
return -EINVAL;
sk = sk_alloc(family, GFP_KERNEL, 1, NULL);
if (!sk)
return -ENOMEM;
sock_init_data(sock, sk);
sk_set_owner(sk, THIS_MODULE);
sk->sk_state_change = vcc_def_wakeup;
sk->sk_write_space = vcc_write_space;
vcc = sk->sk_protinfo = kmalloc(sizeof(*vcc), GFP_KERNEL);
if (!vcc) {
sk_free(sk);
return -ENOMEM;
}
memset(vcc, 0, sizeof(*vcc));
vcc->sk = sk;
vcc->dev = NULL;
memset(&vcc->local,0,sizeof(struct sockaddr_atmsvc));
memset(&vcc->remote,0,sizeof(struct sockaddr_atmsvc));
vcc->qos.txtp.max_sdu = 1 << 16; /* for meta VCs */
atomic_set(&vcc->sk->sk_wmem_alloc, 0);
atomic_set(&vcc->sk->sk_rmem_alloc, 0);
vcc->push = NULL;
vcc->pop = NULL;
vcc->push_oam = NULL;
vcc->vpi = vcc->vci = 0; /* no VCI/VPI yet */
vcc->atm_options = vcc->aal_options = 0;
sk->sk_destruct = vcc_sock_destruct;
sock->sk = sk;
return 0;
}
static int hidp_sock_create(struct socket *sock, int protocol)
{
struct sock *sk;
BT_DBG("sock %p", sock);
if (sock->type != SOCK_RAW)
return -ESOCKTNOSUPPORT;
if (!(sk = bt_sock_alloc(sock, PF_BLUETOOTH, 0, GFP_KERNEL)))
return -ENOMEM;
sk_set_owner(sk, THIS_MODULE);
sock->ops = &hidp_sock_ops;
sock->state = SS_UNCONNECTED;
sk->sk_destruct = NULL;
sk->sk_protocol = protocol;
return 0;
}
static int netlink_create(struct socket *sock, int protocol)
{
struct sock *sk;
struct netlink_opt *nlk;
sock->state = SS_UNCONNECTED;
if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM)
return -ESOCKTNOSUPPORT;
if (protocol<0 || protocol >= MAX_LINKS)
return -EPROTONOSUPPORT;
sock->ops = &netlink_ops;
sk = sk_alloc(PF_NETLINK, GFP_KERNEL, 1, NULL);
if (!sk)
return -ENOMEM;
sock_init_data(sock,sk);
sk_set_owner(sk, THIS_MODULE);
nlk = sk->sk_protinfo = kmalloc(sizeof(*nlk), GFP_KERNEL);
if (!nlk) {
sk_free(sk);
return -ENOMEM;
}
memset(nlk, 0, sizeof(*nlk));
spin_lock_init(&nlk->cb_lock);
init_waitqueue_head(&nlk->wait);
sk->sk_destruct = netlink_sock_destruct;
sk->sk_protocol = protocol;
return 0;
}
static int packet_create(struct socket *sock, int protocol)
{
struct sock *sk;
struct packet_opt *po;
int err;
if (!capable(CAP_NET_RAW))
return -EPERM;
if (sock->type != SOCK_DGRAM && sock->type != SOCK_RAW
#ifdef CONFIG_SOCK_PACKET
&& sock->type != SOCK_PACKET
#endif
)
return -ESOCKTNOSUPPORT;
sock->state = SS_UNCONNECTED;
err = -ENOBUFS;
sk = sk_alloc(PF_PACKET, GFP_KERNEL, 1, NULL);
if (sk == NULL)
goto out;
sock->ops = &packet_ops;
#ifdef CONFIG_SOCK_PACKET
if (sock->type == SOCK_PACKET)
sock->ops = &packet_ops_spkt;
#endif
sock_init_data(sock,sk);
sk_set_owner(sk, THIS_MODULE);
po = sk->sk_protinfo = kmalloc(sizeof(*po), GFP_KERNEL);
if (!po)
goto out_free;
memset(po, 0, sizeof(*po));
sk->sk_family = PF_PACKET;
po->num = protocol;
sk->sk_destruct = packet_sock_destruct;
atomic_inc(&packet_socks_nr);
/*
* Attach a protocol block
*/
spin_lock_init(&po->bind_lock);
po->prot_hook.func = packet_rcv;
#ifdef CONFIG_SOCK_PACKET
if (sock->type == SOCK_PACKET)
po->prot_hook.func = packet_rcv_spkt;
#endif
po->prot_hook.af_packet_priv = sk;
if (protocol) {
po->prot_hook.type = protocol;
dev_add_pack(&po->prot_hook);
sock_hold(sk);
po->running = 1;
}
write_lock_bh(&packet_sklist_lock);
sk_add_node(sk, &packet_sklist);
write_unlock_bh(&packet_sklist_lock);
return(0);
out_free:
sk_free(sk);
out:
return err;
}
