1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __UAPI_PSAMPLE_H
3 #define __UAPI_PSAMPLE_H
4 
5 enum {
6 	PSAMPLE_ATTR_IIFINDEX,
7 	PSAMPLE_ATTR_OIFINDEX,
8 	PSAMPLE_ATTR_ORIGSIZE,
9 	PSAMPLE_ATTR_SAMPLE_GROUP,
10 	PSAMPLE_ATTR_GROUP_SEQ,
11 	PSAMPLE_ATTR_SAMPLE_RATE,	/* u32, ratio between observed and
12 					 * sampled packets or scaled probability
13 					 * if PSAMPLE_ATTR_SAMPLE_PROBABILITY
14 					 * is set.
15 					 */
16 	PSAMPLE_ATTR_DATA,
17 	PSAMPLE_ATTR_GROUP_REFCOUNT,
18 	PSAMPLE_ATTR_TUNNEL,
19 
20 	PSAMPLE_ATTR_PAD,
21 	PSAMPLE_ATTR_OUT_TC,		/* u16 */
22 	PSAMPLE_ATTR_OUT_TC_OCC,	/* u64, bytes */
23 	PSAMPLE_ATTR_LATENCY,		/* u64, nanoseconds */
24 	PSAMPLE_ATTR_TIMESTAMP,		/* u64, nanoseconds */
25 	PSAMPLE_ATTR_PROTO,		/* u16 */
26 	PSAMPLE_ATTR_USER_COOKIE,	/* binary, user provided data */
27 	PSAMPLE_ATTR_SAMPLE_PROBABILITY,/* no argument, interpret rate in
28 					 * PSAMPLE_ATTR_SAMPLE_RATE as a
29 					 * probability scaled 0 - U32_MAX.
30 					 */
31 
32 	__PSAMPLE_ATTR_MAX
33 };
34 
35 enum psample_command {
36 	PSAMPLE_CMD_SAMPLE,
37 	PSAMPLE_CMD_GET_GROUP,
38 	PSAMPLE_CMD_NEW_GROUP,
39 	PSAMPLE_CMD_DEL_GROUP,
40 };
41 
42 enum psample_tunnel_key_attr {
43 	PSAMPLE_TUNNEL_KEY_ATTR_ID,                 /* be64 Tunnel ID */
44 	PSAMPLE_TUNNEL_KEY_ATTR_IPV4_SRC,           /* be32 src IP address. */
45 	PSAMPLE_TUNNEL_KEY_ATTR_IPV4_DST,           /* be32 dst IP address. */
46 	PSAMPLE_TUNNEL_KEY_ATTR_TOS,                /* u8 Tunnel IP ToS. */
47 	PSAMPLE_TUNNEL_KEY_ATTR_TTL,                /* u8 Tunnel IP TTL. */
48 	PSAMPLE_TUNNEL_KEY_ATTR_DONT_FRAGMENT,      /* No argument, set DF. */
49 	PSAMPLE_TUNNEL_KEY_ATTR_CSUM,               /* No argument. CSUM packet. */
50 	PSAMPLE_TUNNEL_KEY_ATTR_OAM,                /* No argument. OAM frame.  */
51 	PSAMPLE_TUNNEL_KEY_ATTR_GENEVE_OPTS,        /* Array of Geneve options. */
52 	PSAMPLE_TUNNEL_KEY_ATTR_TP_SRC,	            /* be16 src Transport Port. */
53 	PSAMPLE_TUNNEL_KEY_ATTR_TP_DST,		    /* be16 dst Transport Port. */
54 	PSAMPLE_TUNNEL_KEY_ATTR_VXLAN_OPTS,	    /* Nested VXLAN opts* */
55 	PSAMPLE_TUNNEL_KEY_ATTR_IPV6_SRC,           /* struct in6_addr src IPv6 address. */
56 	PSAMPLE_TUNNEL_KEY_ATTR_IPV6_DST,           /* struct in6_addr dst IPv6 address. */
57 	PSAMPLE_TUNNEL_KEY_ATTR_PAD,
58 	PSAMPLE_TUNNEL_KEY_ATTR_ERSPAN_OPTS,        /* struct erspan_metadata */
59 	PSAMPLE_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE,   /* No argument. IPV4_INFO_BRIDGE mode.*/
60 	__PSAMPLE_TUNNEL_KEY_ATTR_MAX
61 };
62 
63 /* Can be overridden at runtime by module option */
64 #define PSAMPLE_ATTR_MAX (__PSAMPLE_ATTR_MAX - 1)
65 
66 #define PSAMPLE_NL_MCGRP_CONFIG_NAME "config"
67 #define PSAMPLE_NL_MCGRP_SAMPLE_NAME "packets"
68 #define PSAMPLE_GENL_NAME "psample"
69 #define PSAMPLE_GENL_VERSION 1
70 
71 #endif
72