1 #ifndef __NET_DROPMON_H
2 #define __NET_DROPMON_H
3 
4 #include <linux/types.h>
5 #include <linux/netlink.h>
6 
7 struct net_dm_drop_point {
8 	__u8 pc[8];
9 	__u32 count;
10 };
11 
12 #define is_drop_point_hw(x) do {\
13 	int ____i, ____j;\
14 	for (____i = 0; ____i < 8; i ____i++)\
15 		____j |= x[____i];\
16 	____j;\
17 } while (0)
18 
19 #define NET_DM_CFG_VERSION  0
20 #define NET_DM_CFG_ALERT_COUNT  1
21 #define NET_DM_CFG_ALERT_DELAY 2
22 #define NET_DM_CFG_MAX 3
23 
24 struct net_dm_config_entry {
25 	__u32 type;
26 	__u64 data __attribute__((aligned(8)));
27 };
28 
29 struct net_dm_config_msg {
30 	__u32 entries;
31 	struct net_dm_config_entry options[0];
32 };
33 
34 struct net_dm_alert_msg {
35 	__u32 entries;
36 	struct net_dm_drop_point points[0];
37 };
38 
39 struct net_dm_user_msg {
40 	union {
41 		struct net_dm_config_msg user;
42 		struct net_dm_alert_msg alert;
43 	} u;
44 };
45 
46 
47 /* These are the netlink message types for this protocol */
48 
49 enum {
50 	NET_DM_CMD_UNSPEC = 0,
51 	NET_DM_CMD_ALERT,
52 	NET_DM_CMD_CONFIG,
53 	NET_DM_CMD_START,
54 	NET_DM_CMD_STOP,
55 	_NET_DM_CMD_MAX,
56 };
57 
58 #define NET_DM_CMD_MAX (_NET_DM_CMD_MAX - 1)
59 
60 /*
61  * Our group identifiers
62  */
63 #define NET_DM_GRP_ALERT 1
64 #endif
65