Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 2 | #ifndef __NET_DROPMON_H |
| 3 | #define __NET_DROPMON_H |
| 4 | |
| 5 | #include <linux/types.h> |
| 6 | #include <linux/netlink.h> |
| 7 | |
| 8 | struct net_dm_drop_point { |
| 9 | __u8 pc[8]; |
| 10 | __u32 count; |
| 11 | }; |
| 12 | |
| 13 | #define is_drop_point_hw(x) do {\ |
| 14 | int ____i, ____j;\ |
| 15 | for (____i = 0; ____i < 8; i ____i++)\ |
| 16 | ____j |= x[____i];\ |
| 17 | ____j;\ |
| 18 | } while (0) |
| 19 | |
| 20 | #define NET_DM_CFG_VERSION 0 |
| 21 | #define NET_DM_CFG_ALERT_COUNT 1 |
| 22 | #define NET_DM_CFG_ALERT_DELAY 2 |
| 23 | #define NET_DM_CFG_MAX 3 |
| 24 | |
| 25 | struct net_dm_config_entry { |
| 26 | __u32 type; |
| 27 | __u64 data __attribute__((aligned(8))); |
| 28 | }; |
| 29 | |
| 30 | struct net_dm_config_msg { |
| 31 | __u32 entries; |
| 32 | struct net_dm_config_entry options[0]; |
| 33 | }; |
| 34 | |
| 35 | struct net_dm_alert_msg { |
| 36 | __u32 entries; |
| 37 | struct net_dm_drop_point points[0]; |
| 38 | }; |
| 39 | |
| 40 | struct net_dm_user_msg { |
| 41 | union { |
| 42 | struct net_dm_config_msg user; |
| 43 | struct net_dm_alert_msg alert; |
| 44 | } u; |
| 45 | }; |
| 46 | |
| 47 | |
| 48 | /* These are the netlink message types for this protocol */ |
| 49 | |
| 50 | enum { |
| 51 | NET_DM_CMD_UNSPEC = 0, |
| 52 | NET_DM_CMD_ALERT, |
| 53 | NET_DM_CMD_CONFIG, |
| 54 | NET_DM_CMD_START, |
| 55 | NET_DM_CMD_STOP, |
| 56 | _NET_DM_CMD_MAX, |
| 57 | }; |
| 58 | |
| 59 | #define NET_DM_CMD_MAX (_NET_DM_CMD_MAX - 1) |
| 60 | |
| 61 | /* |
| 62 | * Our group identifiers |
| 63 | */ |
| 64 | #define NET_DM_GRP_ALERT 1 |
| 65 | #endif |