unix: add BPF constants on Linux

Change-Id: Ie43daa8ba56ad1e57ddbb8ddd47f83b363fe75b4
Reviewed-on: https://go-review.googlesource.com/c/sys/+/174978
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
diff --git a/unix/ztypes_linux_s390x.go b/unix/ztypes_linux_s390x.go
index 3b7747e..6cf3031 100644
--- a/unix/ztypes_linux_s390x.go
+++ b/unix/ztypes_linux_s390x.go
@@ -2329,3 +2329,155 @@
 type CryptoReportAcomp struct {
 	Type [64]int8
 }
+
+const (
+	BPF_REG_0                           = 0x0
+	BPF_REG_1                           = 0x1
+	BPF_REG_2                           = 0x2
+	BPF_REG_3                           = 0x3
+	BPF_REG_4                           = 0x4
+	BPF_REG_5                           = 0x5
+	BPF_REG_6                           = 0x6
+	BPF_REG_7                           = 0x7
+	BPF_REG_8                           = 0x8
+	BPF_REG_9                           = 0x9
+	BPF_REG_10                          = 0xa
+	BPF_MAP_CREATE                      = 0x0
+	BPF_MAP_LOOKUP_ELEM                 = 0x1
+	BPF_MAP_UPDATE_ELEM                 = 0x2
+	BPF_MAP_DELETE_ELEM                 = 0x3
+	BPF_MAP_GET_NEXT_KEY                = 0x4
+	BPF_PROG_LOAD                       = 0x5
+	BPF_OBJ_PIN                         = 0x6
+	BPF_OBJ_GET                         = 0x7
+	BPF_PROG_ATTACH                     = 0x8
+	BPF_PROG_DETACH                     = 0x9
+	BPF_PROG_TEST_RUN                   = 0xa
+	BPF_PROG_GET_NEXT_ID                = 0xb
+	BPF_MAP_GET_NEXT_ID                 = 0xc
+	BPF_PROG_GET_FD_BY_ID               = 0xd
+	BPF_MAP_GET_FD_BY_ID                = 0xe
+	BPF_OBJ_GET_INFO_BY_FD              = 0xf
+	BPF_PROG_QUERY                      = 0x10
+	BPF_RAW_TRACEPOINT_OPEN             = 0x11
+	BPF_BTF_LOAD                        = 0x12
+	BPF_BTF_GET_FD_BY_ID                = 0x13
+	BPF_TASK_FD_QUERY                   = 0x14
+	BPF_MAP_LOOKUP_AND_DELETE_ELEM      = 0x15
+	BPF_MAP_TYPE_UNSPEC                 = 0x0
+	BPF_MAP_TYPE_HASH                   = 0x1
+	BPF_MAP_TYPE_ARRAY                  = 0x2
+	BPF_MAP_TYPE_PROG_ARRAY             = 0x3
+	BPF_MAP_TYPE_PERF_EVENT_ARRAY       = 0x4
+	BPF_MAP_TYPE_PERCPU_HASH            = 0x5
+	BPF_MAP_TYPE_PERCPU_ARRAY           = 0x6
+	BPF_MAP_TYPE_STACK_TRACE            = 0x7
+	BPF_MAP_TYPE_CGROUP_ARRAY           = 0x8
+	BPF_MAP_TYPE_LRU_HASH               = 0x9
+	BPF_MAP_TYPE_LRU_PERCPU_HASH        = 0xa
+	BPF_MAP_TYPE_LPM_TRIE               = 0xb
+	BPF_MAP_TYPE_ARRAY_OF_MAPS          = 0xc
+	BPF_MAP_TYPE_HASH_OF_MAPS           = 0xd
+	BPF_MAP_TYPE_DEVMAP                 = 0xe
+	BPF_MAP_TYPE_SOCKMAP                = 0xf
+	BPF_MAP_TYPE_CPUMAP                 = 0x10
+	BPF_MAP_TYPE_XSKMAP                 = 0x11
+	BPF_MAP_TYPE_SOCKHASH               = 0x12
+	BPF_MAP_TYPE_CGROUP_STORAGE         = 0x13
+	BPF_MAP_TYPE_REUSEPORT_SOCKARRAY    = 0x14
+	BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE  = 0x15
+	BPF_MAP_TYPE_QUEUE                  = 0x16
+	BPF_MAP_TYPE_STACK                  = 0x17
+	BPF_PROG_TYPE_UNSPEC                = 0x0
+	BPF_PROG_TYPE_SOCKET_FILTER         = 0x1
+	BPF_PROG_TYPE_KPROBE                = 0x2
+	BPF_PROG_TYPE_SCHED_CLS             = 0x3
+	BPF_PROG_TYPE_SCHED_ACT             = 0x4
+	BPF_PROG_TYPE_TRACEPOINT            = 0x5
+	BPF_PROG_TYPE_XDP                   = 0x6
+	BPF_PROG_TYPE_PERF_EVENT            = 0x7
+	BPF_PROG_TYPE_CGROUP_SKB            = 0x8
+	BPF_PROG_TYPE_CGROUP_SOCK           = 0x9
+	BPF_PROG_TYPE_LWT_IN                = 0xa
+	BPF_PROG_TYPE_LWT_OUT               = 0xb
+	BPF_PROG_TYPE_LWT_XMIT              = 0xc
+	BPF_PROG_TYPE_SOCK_OPS              = 0xd
+	BPF_PROG_TYPE_SK_SKB                = 0xe
+	BPF_PROG_TYPE_CGROUP_DEVICE         = 0xf
+	BPF_PROG_TYPE_SK_MSG                = 0x10
+	BPF_PROG_TYPE_RAW_TRACEPOINT        = 0x11
+	BPF_PROG_TYPE_CGROUP_SOCK_ADDR      = 0x12
+	BPF_PROG_TYPE_LWT_SEG6LOCAL         = 0x13
+	BPF_PROG_TYPE_LIRC_MODE2            = 0x14
+	BPF_PROG_TYPE_SK_REUSEPORT          = 0x15
+	BPF_PROG_TYPE_FLOW_DISSECTOR        = 0x16
+	BPF_CGROUP_INET_INGRESS             = 0x0
+	BPF_CGROUP_INET_EGRESS              = 0x1
+	BPF_CGROUP_INET_SOCK_CREATE         = 0x2
+	BPF_CGROUP_SOCK_OPS                 = 0x3
+	BPF_SK_SKB_STREAM_PARSER            = 0x4
+	BPF_SK_SKB_STREAM_VERDICT           = 0x5
+	BPF_CGROUP_DEVICE                   = 0x6
+	BPF_SK_MSG_VERDICT                  = 0x7
+	BPF_CGROUP_INET4_BIND               = 0x8
+	BPF_CGROUP_INET6_BIND               = 0x9
+	BPF_CGROUP_INET4_CONNECT            = 0xa
+	BPF_CGROUP_INET6_CONNECT            = 0xb
+	BPF_CGROUP_INET4_POST_BIND          = 0xc
+	BPF_CGROUP_INET6_POST_BIND          = 0xd
+	BPF_CGROUP_UDP4_SENDMSG             = 0xe
+	BPF_CGROUP_UDP6_SENDMSG             = 0xf
+	BPF_LIRC_MODE2                      = 0x10
+	BPF_FLOW_DISSECTOR                  = 0x11
+	BPF_STACK_BUILD_ID_EMPTY            = 0x0
+	BPF_STACK_BUILD_ID_VALID            = 0x1
+	BPF_STACK_BUILD_ID_IP               = 0x2
+	BPF_ADJ_ROOM_NET                    = 0x0
+	BPF_HDR_START_MAC                   = 0x0
+	BPF_HDR_START_NET                   = 0x1
+	BPF_LWT_ENCAP_SEG6                  = 0x0
+	BPF_LWT_ENCAP_SEG6_INLINE           = 0x1
+	BPF_OK                              = 0x0
+	BPF_DROP                            = 0x2
+	BPF_REDIRECT                        = 0x7
+	BPF_SOCK_OPS_VOID                   = 0x0
+	BPF_SOCK_OPS_TIMEOUT_INIT           = 0x1
+	BPF_SOCK_OPS_RWND_INIT              = 0x2
+	BPF_SOCK_OPS_TCP_CONNECT_CB         = 0x3
+	BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB  = 0x4
+	BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB = 0x5
+	BPF_SOCK_OPS_NEEDS_ECN              = 0x6
+	BPF_SOCK_OPS_BASE_RTT               = 0x7
+	BPF_SOCK_OPS_RTO_CB                 = 0x8
+	BPF_SOCK_OPS_RETRANS_CB             = 0x9
+	BPF_SOCK_OPS_STATE_CB               = 0xa
+	BPF_SOCK_OPS_TCP_LISTEN_CB          = 0xb
+	BPF_TCP_ESTABLISHED                 = 0x1
+	BPF_TCP_SYN_SENT                    = 0x2
+	BPF_TCP_SYN_RECV                    = 0x3
+	BPF_TCP_FIN_WAIT1                   = 0x4
+	BPF_TCP_FIN_WAIT2                   = 0x5
+	BPF_TCP_TIME_WAIT                   = 0x6
+	BPF_TCP_CLOSE                       = 0x7
+	BPF_TCP_CLOSE_WAIT                  = 0x8
+	BPF_TCP_LAST_ACK                    = 0x9
+	BPF_TCP_LISTEN                      = 0xa
+	BPF_TCP_CLOSING                     = 0xb
+	BPF_TCP_NEW_SYN_RECV                = 0xc
+	BPF_TCP_MAX_STATES                  = 0xd
+	BPF_FIB_LKUP_RET_SUCCESS            = 0x0
+	BPF_FIB_LKUP_RET_BLACKHOLE          = 0x1
+	BPF_FIB_LKUP_RET_UNREACHABLE        = 0x2
+	BPF_FIB_LKUP_RET_PROHIBIT           = 0x3
+	BPF_FIB_LKUP_RET_NOT_FWDED          = 0x4
+	BPF_FIB_LKUP_RET_FWD_DISABLED       = 0x5
+	BPF_FIB_LKUP_RET_UNSUPP_LWT         = 0x6
+	BPF_FIB_LKUP_RET_NO_NEIGH           = 0x7
+	BPF_FIB_LKUP_RET_FRAG_NEEDED        = 0x8
+	BPF_FD_TYPE_RAW_TRACEPOINT          = 0x0
+	BPF_FD_TYPE_TRACEPOINT              = 0x1
+	BPF_FD_TYPE_KPROBE                  = 0x2
+	BPF_FD_TYPE_KRETPROBE               = 0x3
+	BPF_FD_TYPE_UPROBE                  = 0x4
+	BPF_FD_TYPE_URETPROBE               = 0x5
+)