[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/net/bluetooth/bnep/sock.c b/src/kernel/linux/v4.14/net/bluetooth/bnep/sock.c
new file mode 100644
index 0000000..b5116fa
--- /dev/null
+++ b/src/kernel/linux/v4.14/net/bluetooth/bnep/sock.c
@@ -0,0 +1,265 @@
+/*
+ BNEP implementation for Linux Bluetooth stack (BlueZ).
+ Copyright (C) 2001-2002 Inventel Systemes
+ Written 2001-2002 by
+ David Libault <david.libault@inventel.fr>
+
+ Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2 as
+ published by the Free Software Foundation;
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+ IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+ CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+ COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
+ SOFTWARE IS DISCLAIMED.
+*/
+
+#include <linux/export.h>
+#include <linux/file.h>
+
+#include "bnep.h"
+
+static struct bt_sock_list bnep_sk_list = {
+ .lock = __RW_LOCK_UNLOCKED(bnep_sk_list.lock)
+};
+
+static int bnep_sock_release(struct socket *sock)
+{
+ struct sock *sk = sock->sk;
+
+ BT_DBG("sock %p sk %p", sock, sk);
+
+ if (!sk)
+ return 0;
+
+ bt_sock_unlink(&bnep_sk_list, sk);
+
+ sock_orphan(sk);
+ sock_put(sk);
+ return 0;
+}
+
+static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+ struct bnep_connlist_req cl;
+ struct bnep_connadd_req ca;
+ struct bnep_conndel_req cd;
+ struct bnep_conninfo ci;
+ struct socket *nsock;
+ void __user *argp = (void __user *)arg;
+ __u32 supp_feat = BIT(BNEP_SETUP_RESPONSE);
+ int err;
+
+ BT_DBG("cmd %x arg %lx", cmd, arg);
+
+ switch (cmd) {
+ case BNEPCONNADD:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (copy_from_user(&ca, argp, sizeof(ca)))
+ return -EFAULT;
+
+ nsock = sockfd_lookup(ca.sock, &err);
+ if (!nsock)
+ return err;
+
+ if (nsock->sk->sk_state != BT_CONNECTED) {
+ sockfd_put(nsock);
+ return -EBADFD;
+ }
+ ca.device[sizeof(ca.device)-1] = 0;
+
+ err = bnep_add_connection(&ca, nsock);
+ if (!err) {
+ if (copy_to_user(argp, &ca, sizeof(ca)))
+ err = -EFAULT;
+ } else
+ sockfd_put(nsock);
+
+ return err;
+
+ case BNEPCONNDEL:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (copy_from_user(&cd, argp, sizeof(cd)))
+ return -EFAULT;
+
+ return bnep_del_connection(&cd);
+
+ case BNEPGETCONNLIST:
+ if (copy_from_user(&cl, argp, sizeof(cl)))
+ return -EFAULT;
+
+ if (cl.cnum <= 0)
+ return -EINVAL;
+
+ err = bnep_get_connlist(&cl);
+ if (!err && copy_to_user(argp, &cl, sizeof(cl)))
+ return -EFAULT;
+
+ return err;
+
+ case BNEPGETCONNINFO:
+ if (copy_from_user(&ci, argp, sizeof(ci)))
+ return -EFAULT;
+
+ err = bnep_get_conninfo(&ci);
+ if (!err && copy_to_user(argp, &ci, sizeof(ci)))
+ return -EFAULT;
+
+ return err;
+
+ case BNEPGETSUPPFEAT:
+ if (copy_to_user(argp, &supp_feat, sizeof(supp_feat)))
+ return -EFAULT;
+
+ return 0;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_COMPAT
+static int bnep_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+ if (cmd == BNEPGETCONNLIST) {
+ struct bnep_connlist_req cl;
+ u32 uci;
+ int err;
+
+ if (get_user(cl.cnum, (u32 __user *) arg) ||
+ get_user(uci, (u32 __user *) (arg + 4)))
+ return -EFAULT;
+
+ cl.ci = compat_ptr(uci);
+
+ if (cl.cnum <= 0)
+ return -EINVAL;
+
+ err = bnep_get_connlist(&cl);
+
+ if (!err && put_user(cl.cnum, (u32 __user *) arg))
+ err = -EFAULT;
+
+ return err;
+ }
+
+ return bnep_sock_ioctl(sock, cmd, arg);
+}
+#endif
+
+static const struct proto_ops bnep_sock_ops = {
+ .family = PF_BLUETOOTH,
+ .owner = THIS_MODULE,
+ .release = bnep_sock_release,
+ .ioctl = bnep_sock_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = bnep_sock_compat_ioctl,
+#endif
+ .bind = sock_no_bind,
+ .getname = sock_no_getname,
+ .sendmsg = sock_no_sendmsg,
+ .recvmsg = sock_no_recvmsg,
+ .poll = sock_no_poll,
+ .listen = sock_no_listen,
+ .shutdown = sock_no_shutdown,
+ .setsockopt = sock_no_setsockopt,
+ .getsockopt = sock_no_getsockopt,
+ .connect = sock_no_connect,
+ .socketpair = sock_no_socketpair,
+ .accept = sock_no_accept,
+ .mmap = sock_no_mmap
+};
+
+static struct proto bnep_proto = {
+ .name = "BNEP",
+ .owner = THIS_MODULE,
+ .obj_size = sizeof(struct bt_sock)
+};
+
+static int bnep_sock_create(struct net *net, struct socket *sock, int protocol,
+ int kern)
+{
+ struct sock *sk;
+
+ BT_DBG("sock %p", sock);
+
+ if (sock->type != SOCK_RAW)
+ return -ESOCKTNOSUPPORT;
+
+ sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &bnep_proto, kern);
+ if (!sk)
+ return -ENOMEM;
+
+ sock_init_data(sock, sk);
+
+ sock->ops = &bnep_sock_ops;
+
+ sock->state = SS_UNCONNECTED;
+
+ sock_reset_flag(sk, SOCK_ZAPPED);
+
+ sk->sk_protocol = protocol;
+ sk->sk_state = BT_OPEN;
+
+ bt_sock_link(&bnep_sk_list, sk);
+ return 0;
+}
+
+static const struct net_proto_family bnep_sock_family_ops = {
+ .family = PF_BLUETOOTH,
+ .owner = THIS_MODULE,
+ .create = bnep_sock_create
+};
+
+int __init bnep_sock_init(void)
+{
+ int err;
+
+ err = proto_register(&bnep_proto, 0);
+ if (err < 0)
+ return err;
+
+ err = bt_sock_register(BTPROTO_BNEP, &bnep_sock_family_ops);
+ if (err < 0) {
+ BT_ERR("Can't register BNEP socket");
+ goto error;
+ }
+
+ err = bt_procfs_init(&init_net, "bnep", &bnep_sk_list, NULL);
+ if (err < 0) {
+ BT_ERR("Failed to create BNEP proc file");
+ bt_sock_unregister(BTPROTO_BNEP);
+ goto error;
+ }
+
+ BT_INFO("BNEP socket layer initialized");
+
+ return 0;
+
+error:
+ proto_unregister(&bnep_proto);
+ return err;
+}
+
+void __exit bnep_sock_cleanup(void)
+{
+ bt_procfs_cleanup(&init_net, "bnep");
+ bt_sock_unregister(BTPROTO_BNEP);
+ proto_unregister(&bnep_proto);
+}