xref: /dragonfly/sys/net/ipfw3_basic/ip_fw3_sync.h (revision 0600465e)
1 /*
2  * Copyright (c) 2016 - 2018 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Bill Yuan <bycn82@dragonflybsd.org>
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  * 3. Neither the name of The DragonFly Project nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific, prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  */
35 
36 #ifndef _IP_FW3_SYNC_H_
37 #define _IP_FW3_SYNC_H_
38 
39 #define MAX_EDGES 10
40 
41 #define SYNC_TYPE_SEND_TEST	0  /* testing sync status */
42 #define SYNC_TYPE_SEND_STATE	1  /* syncing state */
43 #define SYNC_TYPE_SEND_NAT	2  /* syncing nat */
44 
45 
46 struct ipfw3_sync_edge {
47 	in_addr_t addr;
48 	u_short port;
49 };
50 #define LEN_SYNC_EDGE sizeof(struct ipfw3_sync_edge)
51 
52 struct ipfw3_ioc_sync_context {
53 	int edge_port; /* edge listening port */
54 	int hw_same; /* duplicate to all CPU when hardware different */
55 	int count; /* count of edge */
56 	struct ipfw3_sync_edge edges[0]; /* edge */
57 };
58 
59 struct ipfw3_ioc_sync_centre {
60 	int count; /* count of edge */
61 	struct ipfw3_sync_edge edges[0]; /* edge */
62 };
63 
64 struct ipfw3_ioc_sync_edge {
65 	int port;
66 	int hw_same;
67 };
68 
69 struct ipfw3_sync_context{
70 	int edge_port; /* edge listening port */
71 	int hw_same; /* duplicate to all CPU when hardware different */
72 	int count; /* count of edge */
73 	int running; /* edge 01, centre 10 */
74 	struct ipfw3_sync_edge *edges; /* edge */
75 	struct thread *edge_td; /* edge handler thread */
76 	struct socket *edge_sock; /* edge sock */
77 	struct socket *centre_socks[MAX_EDGES]; /* centre socks */
78 };
79 
80 
81 
82 #ifdef _KERNEL
83 
84 #include <net/ipfw3_basic/ip_fw3_basic.h>
85 
86 void ip_fw3_sync_modevent(int type);
87 
88 struct cmd_send_test {
89 	int type;
90 	int num;
91 };
92 
93 struct cmd_send_state {
94 	int type;  /* test, state or NAT */
95 	struct ipfw_flow_id flow;
96 	uint32_t expiry;
97 	uint16_t lifetime;
98 	int rulenum;
99 	int cpu;
100 	int hash;
101 };
102 
103 struct cmd_send_nat {
104 	int type; /* test, state, or NAT */
105 };
106 
107 struct netmsg_sync {
108 	struct netmsg_base base;
109 	struct ipfw3_ioc_sync_centre *centre;
110 	int retval;
111 };
112 
113 typedef void ipfw_sync_send_state_t(struct ipfw3_state *, int cpu, int hash);
114 typedef void ipfw_sync_install_state_t(struct cmd_send_state *cmd);
115 
116 void	ip_fw3_sync_install_state(struct cmd_send_state *cmd);
117 
118 void 	ip_fw3_sync_centre_conf_dispath(netmsg_t nmsg);
119 int 	ip_fw3_ctl_sync_centre_conf(struct sockopt *sopt);
120 int 	ip_fw3_ctl_sync_show_conf(struct sockopt *sopt);
121 int 	ip_fw3_ctl_sync_show_status(struct sockopt *sopt);
122 int 	ip_fw3_ctl_sync_edge_conf(struct sockopt *sopt);
123 void 	ip_fw3_sync_edge_socket_handler(void *dummy);
124 int 	ip_fw3_ctl_sync_edge_start(struct sockopt *sopt);
125 int 	ip_fw3_ctl_sync_edge_test(struct sockopt *sopt);
126 int 	ip_fw3_ctl_sync_centre_start(struct sockopt *sopt);
127 int 	ip_fw3_ctl_sync_centre_test(struct sockopt *sopt);
128 int 	ip_fw3_ctl_sync_edge_stop(struct sockopt *sopt);
129 int 	ip_fw3_ctl_sync_centre_stop(struct sockopt *sopt);
130 int 	ip_fw3_ctl_sync_edge_clear(struct sockopt *sopt);
131 int 	ip_fw3_ctl_sync_centre_clear(struct sockopt *sopt);
132 int 	ip_fw3_ctl_sync_sockopt(struct sockopt *sopt);
133 void 	ip_fw3_sync_send_state(struct ipfw3_state *state, int cpu, int hash);
134 
135 #endif /* _KERNEL */
136 #endif /* _IP_FW3_SYNC_H_ */
137