1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _IPC_ROUTER_PRIVATE_H
#define _IPC_ROUTER_PRIVATE_H
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/errno.h>
#include <linux/mm.h>
#include <linux/list.h>
#include <linux/platform_device.h>
#include <linux/msm_ipc.h>
#include <linux/ipc_router.h>
#include <linux/ipc_router_xprt.h>
#include <net/sock.h>
/* definitions for the R2R wire protcol */
#define IPC_ROUTER_V1 1
/*
* Ambiguous definition but will enable multiplexing IPC_ROUTER_V2 packets
* with an existing alternate transport in user-space, if needed.
*/
#define IPC_ROUTER_V2 3
#define IPC_ROUTER_ADDRESS 0x0000FFFF
#define IPC_ROUTER_NID_LOCAL 1
#define MAX_IPC_PKT_SIZE 66000
#define IPC_ROUTER_DEFAULT_RX_QUOTA 5
#define IPC_ROUTER_INFINITY -1
#define DEFAULT_RCV_TIMEO IPC_ROUTER_INFINITY
#define DEFAULT_SND_TIMEO IPC_ROUTER_INFINITY
#define ALIGN_SIZE(x) ((4 - ((x) & 3)) & 3)
#define ALL_SERVICE 0xFFFFFFFF
#define ALL_INSTANCE 0xFFFFFFFF
#define CONTROL_FLAG_CONFIRM_RX 0x1
#define CONTROL_FLAG_OPT_HDR 0x2
enum {
CLIENT_PORT,
SERVER_PORT,
CONTROL_PORT,
IRSC_PORT,
};
enum {
NULL_MODE,
SINGLE_LINK_MODE,
MULTI_LINK_MODE,
};
enum {
CONNECTION_RESET = -1,
NOT_CONNECTED,
CONNECTED,
};
struct msm_ipc_sock {
struct sock sk;
struct msm_ipc_port *port;
void *default_node_vote_info;
};
/**
* msm_ipc_router_create_raw_port() - Create an IPC Router port
* @endpoint: User-space space socket information to be cached.
* @notify: Function to notify incoming events on the port.
* @event: Event ID to be handled.
* @oob_data: Any out-of-band data associated with the event.
* @oob_data_len: Size of the out-of-band data, if valid.
* @priv: Private data registered during the port creation.
* @priv: Private Data to be passed during the event notification.
*
* @return: Valid pointer to port on success, NULL on failure.
*
* This function is used to create an IPC Router port. The port is used for
* communication locally or outside the subsystem.
*/
struct msm_ipc_port *msm_ipc_router_create_raw_port(void *endpoint,
void (*notify)(unsigned event, void *oob_data,
size_t oob_data_len, void *priv),
void *priv);
int msm_ipc_router_send_to(struct msm_ipc_port *src,
struct sk_buff_head *data,
struct msm_ipc_addr *dest,
long timeout);
int msm_ipc_router_read(struct msm_ipc_port *port_ptr,
struct rr_packet **pkt,
size_t buf_len);
int msm_ipc_router_recv_from(struct msm_ipc_port *port_ptr,
struct rr_packet **pkt,
struct msm_ipc_addr *src_addr,
long timeout);
int msm_ipc_router_register_server(struct msm_ipc_port *server_port,
struct msm_ipc_addr *name);
int msm_ipc_router_unregister_server(struct msm_ipc_port *server_port);
int msm_ipc_router_init_sockets(void);
void msm_ipc_router_exit_sockets(void);
void msm_ipc_sync_sec_rule(uint32_t service, uint32_t instance, void *rule);
void msm_ipc_sync_default_sec_rule(void *rule);
int msm_ipc_router_rx_data_wait(struct msm_ipc_port *port_ptr, long timeout);
void msm_ipc_router_free_skb(struct sk_buff_head *skb_head);
/**
* ipc_router_set_conn() - Set the connection by initializing dest address
* @port_ptr: Local port in which the connection has to be set.
* @addr: Destination address of the connection.
*
* @return: 0 on success, standard Linux error codes on failure.
*/
int ipc_router_set_conn(struct msm_ipc_port *port_ptr,
struct msm_ipc_addr *addr);
#endif
|
