Edit: net_dropmon.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __NET_DROPMON_H #define __NET_DROPMON_H #include <linux/types.h> #include <linux/netlink.h> struct net_dm_drop_point { __u8 pc[8]; __u32 count; }; #define is_drop_point_hw(x) do {\ int ____i, ____j;\ for (____i = 0; ____i < 8; i ____i++)\ ____j |= x[____i];\ ____j;\ } while (0) #define NET_DM_CFG_VERSION 0 #define NET_DM_CFG_ALERT_COUNT 1 #define NET_DM_CFG_ALERT_DELAY 2 #define NET_DM_CFG_MAX 3 struct net_dm_config_entry { __u32 type; __u64 data __attribute__((aligned(8))); }; struct net_dm_config_msg { __u32 entries; struct net_dm_config_entry options[0]; }; struct net_dm_alert_msg { __u32 entries; struct net_dm_drop_point points[0]; }; struct net_dm_user_msg { union { struct net_dm_config_msg user; struct net_dm_alert_msg alert; } u; }; /* These are the netlink message types for this protocol */ enum { NET_DM_CMD_UNSPEC = 0, NET_DM_CMD_ALERT, NET_DM_CMD_CONFIG, NET_DM_CMD_START, NET_DM_CMD_STOP, NET_DM_CMD_PACKET_ALERT, NET_DM_CMD_CONFIG_GET, NET_DM_CMD_CONFIG_NEW, NET_DM_CMD_STATS_GET, NET_DM_CMD_STATS_NEW, _NET_DM_CMD_MAX, }; #define NET_DM_CMD_MAX (_NET_DM_CMD_MAX - 1) /* * Our group identifiers */ #define NET_DM_GRP_ALERT 1 enum net_dm_attr { NET_DM_ATTR_UNSPEC, NET_DM_ATTR_ALERT_MODE, /* u8 */ NET_DM_ATTR_PC, /* u64 */ NET_DM_ATTR_SYMBOL, /* string */ NET_DM_ATTR_IN_PORT, /* nested */ NET_DM_ATTR_TIMESTAMP, /* u64 */ NET_DM_ATTR_PROTO, /* u16 */ NET_DM_ATTR_PAYLOAD, /* binary */ NET_DM_ATTR_PAD, NET_DM_ATTR_TRUNC_LEN, /* u32 */ NET_DM_ATTR_ORIG_LEN, /* u32 */ NET_DM_ATTR_QUEUE_LEN, /* u32 */ NET_DM_ATTR_STATS, /* nested */ NET_DM_ATTR_HW_STATS, /* nested */ NET_DM_ATTR_ORIGIN, /* u16 */ NET_DM_ATTR_HW_TRAP_GROUP_NAME, /* string */ NET_DM_ATTR_HW_TRAP_NAME, /* string */ NET_DM_ATTR_HW_ENTRIES, /* nested */ NET_DM_ATTR_HW_ENTRY, /* nested */ NET_DM_ATTR_HW_TRAP_COUNT, /* u32 */ NET_DM_ATTR_SW_DROPS, /* flag */ NET_DM_ATTR_HW_DROPS, /* flag */ NET_DM_ATTR_FLOW_ACTION_COOKIE, /* binary */ NET_DM_ATTR_REASON, /* string */ __NET_DM_ATTR_MAX, NET_DM_ATTR_MAX = __NET_DM_ATTR_MAX - 1 }; /** * enum net_dm_alert_mode - Alert mode. * @NET_DM_ALERT_MODE_SUMMARY: A summary of recent drops is sent to user space. * @NET_DM_ALERT_MODE_PACKET: Each dropped packet is sent to user space along * with metadata. */ enum net_dm_alert_mode { NET_DM_ALERT_MODE_SUMMARY, NET_DM_ALERT_MODE_PACKET, }; enum { NET_DM_ATTR_PORT_NETDEV_IFINDEX, /* u32 */ NET_DM_ATTR_PORT_NETDEV_NAME, /* string */ __NET_DM_ATTR_PORT_MAX, NET_DM_ATTR_PORT_MAX = __NET_DM_ATTR_PORT_MAX - 1 }; enum { NET_DM_ATTR_STATS_DROPPED, /* u64 */ __NET_DM_ATTR_STATS_MAX, NET_DM_ATTR_STATS_MAX = __NET_DM_ATTR_STATS_MAX - 1 }; enum net_dm_origin { NET_DM_ORIGIN_SW, NET_DM_ORIGIN_HW, }; #endif
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