1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 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 66
