diff options
Diffstat (limited to 'net/bluetooth/bnep/bnep.h')
| -rw-r--r-- | net/bluetooth/bnep/bnep.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h new file mode 100644 index 0000000000..9680473ed7 --- /dev/null +++ b/net/bluetooth/bnep/bnep.h @@ -0,0 +1,173 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + BNEP protocol definition for Linux Bluetooth stack (BlueZ). + Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com> + +*/ + +#ifndef _BNEP_H +#define _BNEP_H + +#include <linux/types.h> +#include <linux/crc32.h> +#include <net/bluetooth/bluetooth.h> + +/* Limits */ +#define BNEP_MAX_PROTO_FILTERS 5 +#define BNEP_MAX_MULTICAST_FILTERS 20 + +/* UUIDs */ +#define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB +#define BNEP_UUID16 0x02 +#define BNEP_UUID32 0x04 +#define BNEP_UUID128 0x16 + +#define BNEP_SVC_PANU 0x1115 +#define BNEP_SVC_NAP 0x1116 +#define BNEP_SVC_GN 0x1117 + +/* Packet types */ +#define BNEP_GENERAL 0x00 +#define BNEP_CONTROL 0x01 +#define BNEP_COMPRESSED 0x02 +#define BNEP_COMPRESSED_SRC_ONLY 0x03 +#define BNEP_COMPRESSED_DST_ONLY 0x04 + +/* Control types */ +#define BNEP_CMD_NOT_UNDERSTOOD 0x00 +#define BNEP_SETUP_CONN_REQ 0x01 +#define BNEP_SETUP_CONN_RSP 0x02 +#define BNEP_FILTER_NET_TYPE_SET 0x03 +#define BNEP_FILTER_NET_TYPE_RSP 0x04 +#define BNEP_FILTER_MULTI_ADDR_SET 0x05 +#define BNEP_FILTER_MULTI_ADDR_RSP 0x06 + +/* Extension types */ +#define BNEP_EXT_CONTROL 0x00 + +/* Response messages */ +#define BNEP_SUCCESS 0x00 + +#define BNEP_CONN_INVALID_DST 0x01 +#define BNEP_CONN_INVALID_SRC 0x02 +#define BNEP_CONN_INVALID_SVC 0x03 +#define BNEP_CONN_NOT_ALLOWED 0x04 + +#define BNEP_FILTER_UNSUPPORTED_REQ 0x01 +#define BNEP_FILTER_INVALID_RANGE 0x02 +#define BNEP_FILTER_INVALID_MCADDR 0x02 +#define BNEP_FILTER_LIMIT_REACHED 0x03 +#define BNEP_FILTER_DENIED_SECURITY 0x04 + +/* L2CAP settings */ +#define BNEP_MTU 1691 +#define BNEP_PSM 0x0f +#define BNEP_FLUSH_TO 0xffff +#define BNEP_CONNECT_TO 15 +#define BNEP_FILTER_TO 15 + +/* Headers */ +#define BNEP_TYPE_MASK 0x7f +#define BNEP_EXT_HEADER 0x80 + +struct bnep_setup_conn_req { + __u8 type; + __u8 ctrl; + __u8 uuid_size; + __u8 service[]; +} __packed; + +struct bnep_set_filter_req { + __u8 type; + __u8 ctrl; + __be16 len; + __u8 list[]; +} __packed; + +struct bnep_control_rsp { + __u8 type; + __u8 ctrl; + __be16 resp; +} __packed; + +struct bnep_ext_hdr { + __u8 type; + __u8 len; + __u8 data[]; +} __packed; + +/* BNEP ioctl defines */ +#define BNEPCONNADD _IOW('B', 200, int) +#define BNEPCONNDEL _IOW('B', 201, int) +#define BNEPGETCONNLIST _IOR('B', 210, int) +#define BNEPGETCONNINFO _IOR('B', 211, int) +#define BNEPGETSUPPFEAT _IOR('B', 212, int) + +#define BNEP_SETUP_RESPONSE 0 +#define BNEP_SETUP_RSP_SENT 10 + +struct bnep_connadd_req { + int sock; /* Connected socket */ + __u32 flags; + __u16 role; + char device[16]; /* Name of the Ethernet device */ +}; + +struct bnep_conndel_req { + __u32 flags; + __u8 dst[ETH_ALEN]; +}; + +struct bnep_conninfo { + __u32 flags; + __u16 role; + __u16 state; + __u8 dst[ETH_ALEN]; + char device[16]; +}; + +struct bnep_connlist_req { + __u32 cnum; + struct bnep_conninfo __user *ci; +}; + +struct bnep_proto_filter { + __u16 start; + __u16 end; +}; + +int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock); +int bnep_del_connection(struct bnep_conndel_req *req); +int bnep_get_connlist(struct bnep_connlist_req *req); +int bnep_get_conninfo(struct bnep_conninfo *ci); + +/* BNEP sessions */ +struct bnep_session { + struct list_head list; + + unsigned int role; + unsigned long state; + unsigned long flags; + atomic_t terminate; + struct task_struct *task; + + struct ethhdr eh; + struct msghdr msg; + + struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS]; + unsigned long long mc_filter; + + struct socket *sock; + struct net_device *dev; +}; + +void bnep_net_setup(struct net_device *dev); +int bnep_sock_init(void); +void bnep_sock_cleanup(void); + +static inline int bnep_mc_hash(__u8 *addr) +{ + return crc32_be(~0, addr, ETH_ALEN) >> 26; +} + +#endif |