BPF Features by Linux Kernel Version

eBPF support

Kernel version	Commit
3.15	`bd4cf0ed331a`

JIT compiling

The list of supported architectures for your kernel can be retrieved with:

git grep HAVE_EBPF_JIT arch/

Feature / Architecture	Kernel version	Commit
x86_64	3.16	`622582786c9e`
ARM64	3.18	`e54bcde3d69d`
s390	4.1	`054623105728`
Constant blinding for JIT machines	4.7	`4f3446bb809f`
PowerPC64	4.8	`156d0e290e96`
Constant blinding - PowerPC64	4.9	`b7b7013cac55`
Sparc64	4.12	`7a12b5031c6b`
MIPS	4.13	`f381bf6d82f0`
ARM32	4.14	`39c13c204bb1`
x86_32	4.18	`03f5781be2c7`
RISC-V RV64G	5.1	`2353ecc6f91f`RISC-V RV32G
PowerPC32	5.13	`51c66ad849a7`
LoongArch	6.1	`5dc615520c4d`

Main features

Several (but not all) of these main features translate to an eBPF program type. The list of such program types supported in your kernel can be found in file include/uapi/linux/bpf.h:

git grep -W 'bpf_prog_type {' include/uapi/linux/bpf.h

Feature	Kernel version	Commit
`AF_PACKET` (libpcap/tcpdump, `cls_bpf` classifier, netfilter's `xt_bpf`, team driver's load-balancing mode…)	3.15	`bd4cf0ed331a`
Kernel helpers	3.15	`bd4cf0ed331a`
`bpf()` syscall	3.18	`99c55f7d47c0`
Maps (a.k.a. Tables; details below)	3.18	`99c55f7d47c0`
BPF attached to sockets	3.19	`89aa075832b0`
BPF attached to `kprobes`	4.1	`2541517c32be`
`cls_bpf` / `act_bpf` for `tc`	4.1	`e2e9b6541dd4`
Tail calls	4.2	`04fd61ab36ec`Non-root programs on sockets
Persistent maps and programs (virtual FS)	4.4	`b2197755b263`
`tc`'s `direct-action` (`da`) mode	4.4	`045efa82ff56`
`tc`'s `clsact` qdisc	4.5	`1f211a1b929c`
BPF attached to tracepoints	4.7	`98b5c2c65c29`
Direct packet access	4.7	`969bf05eb3ce`
XDP (see below)	4.8	`6a773a15a1e8`
BPF attached to perf events	4.9	`0515e5999a46`
Hardware offload for `tc`'s `cls_bpf`	4.9	`332ae8e2f6ec`
Verifier exposure and internal hooks	4.9	`13a27dfc6697`
BPF attached to cgroups for socket filtering	4.10	`0e33661de493`
Lightweight tunnel encapsulation	4.10	`3a0af8fd61f9`
eBPF support for `xt_bpf` module (iptables)	4.10	`2c16d6033264`
BPF program tag	4.10	`7bd509e311f4`Tracepoints to debug BPF
Testing / benchmarking BPF programs	4.12	`1cf1cae963c2`
BPF programs and maps IDs	4.13	`dc4bb0e23561`
BPF support for `sock_ops`	4.13	`40304b2a1567`
BPF support for skbs on sockets	4.14	`b005fd189cec`
bpftool utility in kernel sources	4.15	`71bb428fe2c1`
BPF attached to cgroups as device controller	4.15	`ebc614f68736`
bpf2bpf function calls	4.16	`cc8b0b92a169`
BPF used for monitoring socket RX/TX data	4.17	`4f738adba30a`
BPF attached to raw tracepoints	4.17	`c4f6699dfcb8`
BPF attached to `bind()` system call	4.17	`4fbac77d2d09` `aac3fc320d94`
BPF attached to `connect()` system call	4.17	`d74bad4e74ee`BPF Type Format (BTF)
AF_XDP	4.18	`fbfc504a24f5`
bpfilter	4.18	`d2ba09c17a06`
End.BPF action for seg6local LWT	4.18	`004d4b274e2a`
BPF attached to LIRC devices	4.18	`f4364dcfc86d`
Pass map values to map helpers	4.18	`d71962f3e627`
BPF socket reuseport	4.19	`2dbb9b9e6df6`
BPF flow dissector	4.20	`d58e468b1112`
BPF 1M insn limit	5.2	`c04c0d2b968a`
BPF cgroup sysctl	5.2	`7b146cebe30c`
BPF raw tracepoint writable	5.2	`9df1c28bb752`
BPF bounded loop	5.3	`2589726d12a1`
BPF trampoline	5.5	`fec56f5890d9`
BPF LSM hook	5.7	`fc611f47f218` `641cd7b06c91`
BPF iterator	5.8	`180139dca8b3`BPF socket lookup hook
Sleepable BPF programs	5.10	`1e6c62a88215`

Program types

Program type	Kernel version	Commit	Enum
Socket filter	3.19	`ddd872bc3098`	BPF_PROG_TYPE_SOCKET_FILTER
Kprobe	4.1	`2541517c32be`	BPF_PROG_TYPE_KPROBE
traffic control (TC)	4.1	`96be4325f443`	BPF_PROG_TYPE_SCHED_CLS
traffic control (TC)	4.1	`94caee8c312d`	BPF_PROG_TYPE_SCHED_ACT
Tracepoint	4.7	`98b5c2c65c29`	BPF_PROG_TYPE_TRACEPOINT
XDP	4.8	`6a773a15a1e8`	BPF_PROG_TYPE_XDP
Perf event	4.9	`0515e5999a46`	BPF_PROG_TYPE_PERF_EVENT
cgroup socket filtering	4.10	`0e33661de493`	BPF_PROG_TYPE_CGROUP_SKB
cgroup sock modification	4.10	`610236587600`	BPF_PROG_TYPE_CGROUP_SOCK
lightweight tunnel (IN)	4.10	`3a0af8fd61f9`	BPF_PROG_TYPE_LWT_IN".lightweight tunnel (OUT)
lightweight tunnel (XMIT)	4.10	`3a0af8fd61f9`	BPF_PROG_TYPE_LWT_XMIT
cgroup sock ops (per conn)	4.13	`40304b2a1567`	BPF_PROG_TYPE_SOCK_OPS
stream parser / stream verdict	4.14	`b005fd189cec`	BPF_PROG_TYPE_SK_SKB
cgroup device manager	4.15	`ebc614f68736`	BPF_PROG_TYPE_CGROUP_DEVICE
socket msg verdict	4.17	`4f738adba30a`	BPF_PROG_TYPE_SK_MSG
Raw tracepoint	4.17	`c4f6699dfcb8`	BPF_PROG_TYPE_RAW_TRACEPOINT
socket binding	4.17	`4fbac77d2d09`	BPF_PROG_TYPE_CGROUP_SOCK_ADDR
LWT seg6local	4.18	`004d4b274e2a`	BPF_PROG_TYPE_LWT_SEG6LOCAL
lirc devices	4.18	`f4364dcfc86d`	BPF_PROG_TYPE_LIRC_MODE2
lookup SO_REUSEPORT socket	4.19	`2dbb9b9e6df6`	BPF_PROG_TYPE_SK_REUSEPORT
flow dissector	4.20	`d58e468b1112`	BPF_PROG_TYPE_FLOW_DISSECTOR.```markdown
cgroup sysctl	5.2	`7b146cebe30c`	BPF_PROG_TYPE_CGROUP_SYSCTL
writable raw tracepoints	5.2	`9df1c28bb752`	BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE
cgroup getsockopt/setsockopt	5.3	`0d01da6afc54`	BPF_PROG_TYPE_CGROUP_SOCKOPT
Tracing (BTF/BPF trampoline)	5.5	`f1b9509c2fb0`	BPF_PROG_TYPE_TRACING
struct ops	5.6	`27ae7997a661`	BPF_PROG_TYPE_STRUCT_OPS
extensions	5.6	`be8704ff07d2`	BPF_PROG_TYPE_EXT
LSM	5.7	`fc611f47f218`	BPF_PROG_TYPE_LSM
lookup listening socket	5.9	`e9ddbb7707ff`	BPF_PROG_TYPE_SK_LOOKUP
Allow executing syscalls	5.15	`79a7f8bdb159`	BPF_PROG_TYPE_SYSCALL

Maps (a.k.a. Tables, in BCC lingo)

Map types

The list of map types supported in your kernel can be found in file include/uapi/linux/bpf.h:

git grep -W 'bpf_map_type {' include/uapi/linux/bpf.h

Map type	Kernel version	Commit	Enum
Hash	3.19	`0f8e4bd8a1fc`	BPF_MAP_TYPE_HASH".
```Array	3.19	`28fbcfa08d8e`	BPF_MAP_TYPE_ARRAY
Prog array	4.2	`04fd61ab36ec`	BPF_MAP_TYPE_PROG_ARRAY
Perf events	4.3	`ea317b267e9d`	BPF_MAP_TYPE_PERF_EVENT_ARRAY
Per-CPU hash	4.6	`824bd0ce6c7c`	BPF_MAP_TYPE_PERCPU_HASH
Per-CPU array	4.6	`a10423b87a7e`	BPF_MAP_TYPE_PERCPU_ARRAY
Stack trace	4.6	`d5a3b1f69186`	BPF_MAP_TYPE_STACK_TRACE
cgroup array	4.8	`4ed8ec521ed5`	BPF_MAP_TYPE_CGROUP_ARRAY
LRU hash	4.10	`29ba732acbee` `3a08c2fd7634`	BPF_MAP_TYPE_LRU_HASH
LRU per-CPU hash	4.10	`8f8449384ec3` `961578b63474`	BPF_MAP_TYPE_LRU_PERCPU_HASH
LPM trie (longest-prefix match)	4.11	`b95a5c4db09b`	BPF_MAP_TYPE_LPM_TRIE
Array of maps	4.12	`56f668dfe00d`	BPF_MAP_TYPE_ARRAY_OF_MAPSHash of maps
Netdevice references (array)	4.14	546ac1ffb70d	BPF_MAP_TYPE_DEVMAP
Socket references (array)	4.14	174a79ff9515	BPF_MAP_TYPE_SOCKMAP
CPU references	4.15	6710e1126934	BPF_MAP_TYPE_CPUMAP
AF_XDP socket (XSK) references	4.18	fbfc504a24f5	BPF_MAP_TYPE_XSKMAP
Socket references (hashmap)	4.18	81110384441a	BPF_MAP_TYPE_SOCKHASH
cgroup storage	4.19	de9cbbaadba5	BPF_MAP_TYPE_CGROUP_STORAGE
reuseport sockarray	4.19	5dc4c4b7d4e8	BPF_MAP_TYPE_REUSEPORT_SOCKARRAY
precpu cgroup storage	4.20	b741f1630346	BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE
queue	4.20	f1a2e44a3aec	BPF_MAP_TYPE_QUEUE
stack	4.20	f1a2e44a3aec	BPF_MAP_TYPE_STACK
socket local storage	5.2	6ac99e8f23d4	BPF_MAP_TYPE_SK_STORAGE".Netdevice references (hashmap)
struct ops	5.6	`85d33df357b6`	BPF_MAP_TYPE_STRUCT_OPS
ring buffer	5.8	`457f44363a88`	BPF_MAP_TYPE_RINGBUF
inode storage	5.10	`8ea636848aca`	BPF_MAP_TYPE_INODE_STORAGE
task storage	5.11	`4cf1bc1f1045`	BPF_MAP_TYPE_TASK_STORAGE
Bloom filter	5.16	`9330986c0300`	BPF_MAP_TYPE_BLOOM_FILTER
user ringbuf	6.1	`583c1f420173`	BPF_MAP_TYPE_USER_RINGBUF

Map userspace API

Some (but not all) of these API features translate to a subcommand beginning with BPF_MAP_. The list of subcommands supported in your kernel can be found in file include/uapi/linux/bpf.h:

git grep -W 'bpf_cmd {' include/uapi/linux/bpf.h

Feature	Kernel version	Commit
Basic operations (lookup, update, delete, `GET_NEXT_KEY`)	3.18	`db20fd2b0108`
Pass flags to `UPDATE_ELEM`	3.19	`3274f52073d8`
Pre-alloc map memory by default	4.6	`6c9059817432`Pass `NULL` to `GET_NEXT_KEY`
Creation: select NUMA node	4.14	`96eabe7a40aa`
Restrict access from syscall side	4.15	`6e71b04a8224`
Creation: specify map name	4.15	`ad5b177bd73f`
`LOOKUP_AND_DELETE_ELEM`	4.20	`bd513cd08f10`
Creation: `BPF_F_ZERO_SEED`	5.0	`96b3b6c9091d`
`BPF_F_LOCK` flag for lookup / update	5.1	`96049f3afd50`
Restrict access from BPF side	5.2	`591fe9888d78`
`FREEZE`	5.2	`87df15de441b`
mmap() support for array maps	5.5	`fc9702273e2e`
`LOOKUP_BATCH`	5.6	`cb4d03ab499d`
`UPDATE_BATCH`, `DELETE_BATCH`	5.6	`aa2e93b8e58e`
`LOOKUP_AND_DELETE_BATCH`	5.6	`057996380a42`
`LOOKUP_AND_DELETE_ELEM` support for hash maps	5.14	`3e87f192b405`

XDP

An approximate list of drivers or components supporting XDP programs for your kernel can be retrieved with: ```sh".git grep -l XDP_SETUP_PROG drivers/

Feature / Driver | Kernel version | Commit
-----------------|----------------|-------
XDP core architecture | 4.8 | [`6a773a15a1e8`](https://github.com/torvalds/linux/commit/6a773a15a1e8874e5eccd2f29190c31085912c95)
Action: drop | 4.8 | [`6a773a15a1e8`](https://github.com/torvalds/linux/commit/6a773a15a1e8874e5eccd2f29190c31085912c95)
Action: pass on to stack | 4.8 | [`6a773a15a1e8`](https://github.com/torvalds/linux/commit/6a773a15a1e8874e5eccd2f29190c31085912c95)
Action: direct forwarding (on same port) | 4.8 | [`6ce96ca348a9`](https://github.com/torvalds/linux/commit/6ce96ca348a9e949f8c43f4d3e98db367d93cffd)
Direct packet data write | 4.8 | [`4acf6c0b84c9`](https://github.com/torvalds/linux/commit/4acf6c0b84c91243c705303cd9ff16421914150d)
Mellanox `mlx4` driver | 4.8 | [`47a38e155037`](https://github.com/torvalds/linux/commit/47a38e155037f417c5740e24ccae6482aedf4b68)
Mellanox `mlx5` driver | 4.9 | [`86994156c736`](https://github.com/torvalds/linux/commit/86994156c736978d113e7927455d4eeeb2128b9f)
Netronome `nfp` driver | 4.10 | [`ecd63a0217d5`](https://github.com/torvalds/linux/commit/ecd63a0217d5f1e8a92f7516f5586d1177b95de2)
QLogic (Cavium) `qed*` drivers | 4.10 | [`496e05170958`](https://github.com/torvalds/linux/commit/496e051709588f832d7a6a420f44f8642b308a87)
`virtio_net` driver | 4.10 | [`f600b6905015`](https://github.com/torvalds/linux/commit/f600b690501550b94e83e07295d9c8b9c4c39f4e)
Broadcom `bnxt_en` driver | 4.11 | [`c6d30e8391b8`](https://github.com/torvalds/linux/commit/c6d30e8391b85e00eb544e6cf047ee0160ee9938)
Intel `ixgbe*` drivers | 4.12 | [`924708081629`](https://github.com/torvalds/linux/commit/9247080816297de4e31abb684939c0e53e3a8a67)
Cavium `thunderx` driver | 4.12 | [`05c773f52b96`](https://github.com/torvalds/linux/commit/05c773f52b96ef3fbc7d9bfa21caadc6247ef7a8)
Generic XDP | 4.12 | [`b5cdae3291f7`](https://github.com/torvalds/linux/commit/b5cdae3291f7be7a34e75affe4c0ec1f7f328b64)".# Helpers

The list of helpers supported in your kernel can be found in file."[`include/uapi/linux/bpf.h`](https://github.com/torvalds/linux/blob/master/include/uapi/linux/bpf.h):
```sh
git grep '  FN(' include/uapi/linux/bpf.h

Alphabetical order

Helper	Kernel version	License	Commit
`BPF_FUNC_bind()`	4.17		`d74bad4e74ee`
`BPF_FUNC_bprm_opts_set()`	5.11		`3f6719c7b62f`
`BPF_FUNC_btf_find_by_name_kind()`	5.14		`3d78417b60fb`
`BPF_FUNC_cgrp_storage_delete()`	6.2		`c4bcfb38a95e`
`BPF_FUNC_cgrp_storage_get()`	6.2		`c4bcfb38a95e`
`BPF_FUNC_check_mtu()`	5.12		`34b2021cc616`
`BPF_FUNC_clone_redirect()`	4.2		`3896d655f4d4`
`BPF_FUNC_copy_from_user()`	5.10		`07be4c4a3e7a`
`BPF_FUNC_copy_from_user_task()`	5.18	GPL	`376040e47334`
`BPF_FUNC_csum_diff()`	4.6		`7d672345ed29`
`BPF_FUNC_csum_level()`	5.7		`7cdec54f9713`
`BPF_FUNC_csum_update()`	4.9		`36bbef52c7eb`".

Helper	Kernel version	License	Commit
`BPF_FUNC_bind()`	4.17		`d74bad4e74ee`
`BPF_FUNC_bprm_opts_set()`	5.11		`3f6719c7b62f`
`BPF_FUNC_btf_find_by_name_kind()`	5.14		`3d78417b60fb`
`BPF_FUNC_cgrp_storage_delete()`	6.2		`c4bcfb38a95e`
`BPF_FUNC_cgrp_storage_get()`	6.2		`c4bcfb38a95e`
`BPF_FUNC_check_mtu()`	5.12		`34b2021cc616`
`BPF_FUNC_clone_redirect()`	4.2		`3896d655f4d4`
`BPF_FUNC_copy_from_user()`	5.10		`07be4c4a3e7a`
`BPF_FUNC_copy_from_user_task()`	5.18	GPL	`376040e47334`
`BPF_FUNC_csum_diff()`	4.6		`7d672345ed29`
`BPF_FUNC_csum_level()`	5.7		`7cdec54f9713`
`BPF_FUNC_csum_update()`	4.9		`36bbef52c7eb`".`BPF_FUNC_current_task_under_cgroup()`
`BPF_FUNC_d_path()`	5.10		`6e22ab9da793`
`BPF_FUNC_dynptr_data()`	5.19		`34d4ef5775f7`
`BPF_FUNC_dynptr_from_mem()`	5.19		`263ae152e962`
`BPF_FUNC_dynptr_read()`	5.19		`13bbbfbea759`
`BPF_FUNC_dynptr_write()`	5.19		`13bbbfbea759`
`BPF_FUNC_fib_lookup()`	4.18	GPL	`87f5fc7e48dd`
`BPF_FUNC_find_vma()`	5.17		`7c7e3d31e785`
`BPF_FUNC_for_each_map_elem()`	5.13		`69c087ba6225`
`BPF_FUNC_get_attach_cookie()`	5.15		`7adfc6c9b315`
`BPF_FUNC_get_branch_snapshot()`	5.16	GPL	`856c02dbce4f`
`BPF_FUNC_get_current_ancestor_cgroup_id()`	5.6		`b4490c5c4e02`
`BPF_FUNC_get_cgroup_classid()`	4.3		`8d20aabe1c76`
`BPF_FUNC_get_current_cgroup_id()`	4.18		`bf6fa2c893c5`"`BPF_FUNC_get_current_comm()`
`BPF_FUNC_get_current_pid_tgid()`	4.2		`ffeedafbf023`
`BPF_FUNC_get_current_task()`	4.8	GPL	`606274c5abd8`
`BPF_FUNC_get_current_task_btf()`	5.11	GPL	`3ca1032ab7ab`
`BPF_FUNC_get_current_uid_gid()`	4.2		`ffeedafbf023`
`BPF_FUNC_get_func_arg()`	5.17		`f92c1e183604`
`BPF_FUNC_get_func_arg_cnt()`	5.17		`f92c1e183604`
`BPF_FUNC_get_func_ip()`	5.15		`5d8b583d04ae`
`BPF_FUNC_get_func_ret()`	5.17		`f92c1e183604`
`BPF_FUNC_get_retval()`	5.18		`b44123b4a3dc`
`BPF_FUNC_get_hash_recalc()`	4.8		`13c5c240f789`
`BPF_FUNC_get_listener_sock()`	5.1		`dbafd7ddd623`
`BPF_FUNC_get_local_storage()`	4.19		`cd3394317653`
`BPF_FUNC_get_netns_cookie()`	5.7		`f318903c0bf4`".

Return only the translated content, not including the original text.BPF_FUNC_get_ns_current_pid_tgid() | 5.7 | | b4490c5c4e02 BPF_FUNC_get_numa_node_id() | 4.10 | | 2d0e30c30f84 BPF_FUNC_get_prandom_u32() | 4.1 | | 03e69b508b6f BPF_FUNC_get_route_realm() | 4.4 | | c46646d0484f BPF_FUNC_get_smp_processor_id() | 4.1 | | c04167ce2ca0 BPF_FUNC_get_socket_cookie() | 4.12 | | 91b8270f2a4d BPF_FUNC_get_socket_uid() | 4.12 | | 6acc5c291068 BPF_FUNC_get_stack() | 4.18 | GPL | de2ff05f48af BPF_FUNC_get_stackid() | 4.6 | GPL | d5a3b1f69186 BPF_FUNC_get_task_stack() | 5.9 | | fa28dcb82a38 BPF_FUNC_getsockopt() | 4.15 | | cd86d1fd2102 BPF_FUNC_ima_file_hash() | 5.18 | | 174b16946e39 BPF_FUNC_ima_inode_hash() | 5.11 | | 27672f0d280a BPF_FUNC_inode_storage_delete() | 5.10 | | 8ea636848aca`BPF_FUNC_inode_storage_get() | 5.10 | | 8ea636848aca BPF_FUNC_jiffies64() | 5.5 | | 5576b991e9c1 BPF_FUNC_kallsyms_lookup_name() | 5.16 | | d6aef08a872b BPF_FUNC_kptr_xchg() | 5.19 | | c0a5a21c25f3 BPF_FUNC_ktime_get_boot_ns() | 5.8 | | 71d19214776e BPF_FUNC_ktime_get_coarse_ns() | 5.11 | | d05512618056 BPF_FUNC_ktime_get_ns() | 4.1 | | d9847d310ab4 BPF_FUNC_ktime_get_tai_ns() | 6.1 | | c8996c98f703 BPF_FUNC_l3_csum_replace() | 4.1 | | 91bc4822c3d6 BPF_FUNC_l4_csum_replace() | 4.1 | | 91bc4822c3d6 BPF_FUNC_load_hdr_opt() | 5.10 | | 0813a841566f BPF_FUNC_loop() | 5.17 | | e6f2dd0f8067 BPF_FUNC_lwt_push_encap() | 4.18 | | fe94cc290f53 BPF_FUNC_lwt_seg6_action() | 4.18 | | fe94cc290f53BPF_FUNC_lwt_seg6_adjust_srh() | 4.18 | | fe94cc290f53 BPF_FUNC_lwt_seg6_store_bytes() | 4.18 | | fe94cc290f53 BPF_FUNC_map_delete_elem() | 3.19 | | d0003ec01c66 BPF_FUNC_map_lookup_elem() | 3.19 | | d0003ec01c66 BPF_FUNC_map_lookup_percpu_elem() | 5.19 | | 07343110b293 BPF_FUNC_map_peek_elem() | 4.20 | | f1a2e44a3aec BPF_FUNC_map_pop_elem() | 4.20 | | f1a2e44a3aec BPF_FUNC_map_push_elem() | 4.20 | | f1a2e44a3aec BPF_FUNC_map_update_elem() | 3.19 | | d0003ec01c66 BPF_FUNC_msg_apply_bytes() | 4.17 | | 2a100317c9eb BPF_FUNC_msg_cork_bytes() | 4.17 | | 91843d540a13 BPF_FUNC_msg_pop_data() | 5.0 | | 7246d8ed4dcc BPF_FUNC_msg_pull_data() | 4.17 | | 015632bb30da BPF_FUNC_msg_push_data() | 4.20 | | 6fff607e2f14".BPF_FUNC_msg_redirect_hash() | 4.18 | | 81110384441a BPF_FUNC_msg_redirect_map() | 4.17 | | 4f738adba30a BPF_FUNC_per_cpu_ptr() | 5.10 | | eaa6bcb71ef6 | BPF_FUNC_perf_event_output() | 4.4 | GPL | a43eec304259 BPF_FUNC_perf_event_read() | 4.3 | GPL | 35578d798400 BPF_FUNC_perf_event_read_value() | 4.15 | GPL | 908432ca84fc BPF_FUNC_perf_prog_read_value() | 4.15 | GPL | 4bebdc7a85aa BPF_FUNC_probe_read() | 4.1 | GPL | 2541517c32be BPF_FUNC_probe_read_kernel() | 5.5 | GPL | 6ae08ae3dea2 BPF_FUNC_probe_read_kernel_str() | 5.5 | GPL | 6ae08ae3dea2 BPF_FUNC_probe_read_user() | 5.5 | GPL | 6ae08ae3dea2 BPF_FUNC_probe_read_user_str() | 5.5 | GPL | 6ae08ae3dea2 BPF_FUNC_probe_read_str() | 4.11 | GPL | a5e8c07059d0 BPF_FUNC_probe_write_user() | 4.8 | GPL | 96ae52279594| Function | Version | License | Commit Link | | ------------- | ------- | ------- | ------------------------------------------------------------- | | BPF_FUNC_rc_keydown() | 4.18 | GPL | f4364dcfc86d | | BPF_FUNC_rc_pointer_rel() | 5.0 | GPL | 01d3240a04f4 | | BPF_FUNC_rc_repeat() | 4.18 | GPL | f4364dcfc86d | | BPF_FUNC_read_branch_records() | 5.6 | GPL | fff7b64355ea | | BPF_FUNC_redirect() | 4.4 | | 27b29f63058d | | BPF_FUNC_redirect_map() | 4.14 | | 97f91a7cf04f | | BPF_FUNC_redirect_neigh() | 5.10 | | b4ab31414970 | | BPF_FUNC_redirect_peer() | 5.10 | | 9aa1206e8f48 | | BPF_FUNC_reserve_hdr_opt() | 5.10 | | 0813a841566f | | BPF_FUNC_ringbuf_discard() | 5.8 | | 457f44363a88 | | BPF_FUNC_ringbuf_discard_dynptr() | 5.19 | | bc34dee65a65 | | BPF_FUNC_ringbuf_output() | 5.8 | | 457f44363a88 | | BPF_FUNC_ringbuf_query() | 5.8 | | 457f44363a88 | | BPF_FUNC_ringbuf_reserve() | 5.8 | | 457f44363a88 |"BPF_FUNC_ringbuf_reserve_dynptr() | 5.19 | | bc34dee65a65 BPF_FUNC_ringbuf_submit() | 5.8 | | 457f44363a88 BPF_FUNC_ringbuf_submit_dynptr() | 5.19 | | bc34dee65a65 BPF_FUNC_send_signal() | 5.3 | | 8b401f9ed244 BPF_FUNC_send_signal_thread() | 5.5 | | 8482941f0906 BPF_FUNC_seq_printf() | 5.7 | GPL | 492e639f0c22 BPF_FUNC_seq_printf_btf() | 5.10 | | eb411377aed9 BPF_FUNC_seq_write() | 5.7 | GPL | 492e639f0c22 BPF_FUNC_set_hash() | 4.13 | | ded092cd73c2 BPF_FUNC_set_hash_invalid() | 4.9 | | 7a4b28c6cc9f BPF_FUNC_set_retval() | 5.18 | | b44123b4a3dc BPF_FUNC_setsockopt() | 4.13 | | 8c4b4c7e9ff0 BPF_FUNC_sk_ancestor_cgroup_id() | 5.7 | | f307fa2cb4c9 BPF_FUNC_sk_assign() | 5.6 | | cf7fbe660f2d".

format: Return only the translated content, not including the original text.BPF_FUNC_sk_cgroup_id() | 5.7 | | f307fa2cb4c9 BPF_FUNC_sk_fullsock() | 5.1 | | 46f8bc92758c BPF_FUNC_sk_lookup_tcp() | 4.20 | | 6acc9b432e67 BPF_FUNC_sk_lookup_udp() | 4.20 | | 6acc9b432e67 BPF_FUNC_sk_redirect_hash() | 4.18 | | 81110384441a BPF_FUNC_sk_redirect_map() | 4.14 | | 174a79ff9515 BPF_FUNC_sk_release() | 4.20 | | 6acc9b432e67 BPF_FUNC_sk_select_reuseport() | 4.19 | | 2dbb9b9e6df6 BPF_FUNC_sk_storage_delete() | 5.2 | | 6ac99e8f23d4 BPF_FUNC_sk_storage_get() | 5.2 | | 6ac99e8f23d4 BPF_FUNC_skb_adjust_room() | 4.13 | | 2be7e212d541 BPF_FUNC_skb_ancestor_cgroup_id() | 4.19 | | 7723628101aa BPF_FUNC_skb_change_head() | 4.10 | | 3a0af8fd61f9 BPF_FUNC_skb_change_proto() | 4.8 | | 6578171a7ff0BPF_FUNC_skb_change_tail() | 4.9 | | 5293efe62df8 BPF_FUNC_skb_change_type() | 4.8 | | d2485c4242a8 BPF_FUNC_skb_cgroup_classid() | 5.10 | | b426ce83baa7 BPF_FUNC_skb_cgroup_id() | 4.18 | | cb20b08ead40 BPF_FUNC_skb_ecn_set_ce() | 5.1 | | f7c917ba11a6 BPF_FUNC_skb_get_tunnel_key() | 4.3 | | d3aa45ce6b94 BPF_FUNC_skb_get_tunnel_opt() | 4.6 | | 14ca0751c96f BPF_FUNC_skb_get_xfrm_state() | 4.18 | | 12bed760a78d BPF_FUNC_skb_load_bytes() | 4.5 | | 05c74e5e53f6 BPF_FUNC_skb_load_bytes_relative() | 4.18 | | 4e1ec56cdc59 BPF_FUNC_skb_output() | 5.5 | | a7658e1a4164 BPF_FUNC_skb_pull_data() | 4.9 | | 36bbef52c7eb BPF_FUNC_skb_set_tstamp() | 5.18 | | 9bb984f28d5b BPF_FUNC_skb_set_tunnel_key() | 4.3 | | d3aa45ce6b94BPF_FUNC_skb_set_tunnel_opt() | 4.6 | | 14ca0751c96f BPF_FUNC_skb_store_bytes() | 4.1 | | 91bc4822c3d6 BPF_FUNC_skb_under_cgroup() | 4.8 | | 4a482f34afcc BPF_FUNC_skb_vlan_pop() | 4.3 | | 4e10df9a60d9 BPF_FUNC_skb_vlan_push() | 4.3 | | 4e10df9a60d9 BPF_FUNC_skc_lookup_tcp() | 5.2 | | edbf8c01de5a BPF_FUNC_skc_to_mctcp_sock() | 5.19 | | 3bc253c2e652 BPF_FUNC_skc_to_tcp_sock() | 5.9 | | 478cfbdf5f13 BPF_FUNC_skc_to_tcp_request_sock() | 5.9 | | 478cfbdf5f13 BPF_FUNC_skc_to_tcp_timewait_sock() | 5.9 | | 478cfbdf5f13 BPF_FUNC_skc_to_tcp6_sock() | 5.9 | | af7ec1383361 BPF_FUNC_skc_to_udp6_sock() | 5.9 | | 0d4fad3e57df BPF_FUNC_skc_to_unix_sock() | 5.16 | | 9eeb3aa33ae0 BPF_FUNC_snprintf() | 5.13 | | 7b15523a989bBPF_FUNC_snprintf_btf() | 5.10 | | c4d0bfb45068 BPF_FUNC_sock_from_file() | 5.11 | | 4f19cab76136 BPF_FUNC_sock_hash_update() | 4.18 | | 81110384441a BPF_FUNC_sock_map_update() | 4.14 | | 174a79ff9515 BPF_FUNC_spin_lock() | 5.1 | | d83525ca62cf BPF_FUNC_spin_unlock() | 5.1 | | d83525ca62cf BPF_FUNC_store_hdr_opt() | 5.10 | | 0813a841566f BPF_FUNC_strncmp() | 5.17 | | c5fb19937455 BPF_FUNC_strtol() | 5.2 | | d7a4cb9b6705 BPF_FUNC_strtoul() | 5.2 | | d7a4cb9b6705 BPF_FUNC_sys_bpf() | 5.14 | | 79a7f8bdb159 BPF_FUNC_sys_close() | 5.14 | | 3abea089246f BPF_FUNC_sysctl_get_current_value() | 5.2 | | 1d11b3016cec BPF_FUNC_sysctl_get_name() | 5.2 | | 808649fb787dBPF_FUNC_sysctl_get_new_value() | 5.2 | | 4e63acdff864 BPF_FUNC_sysctl_set_new_value() | 5.2 | | 4e63acdff864 BPF_FUNC_tail_call() | 4.2 | | 04fd61ab36ec BPF_FUNC_task_pt_regs() | 5.15 | GPL | dd6e10fbd9f BPF_FUNC_task_storage_delete() | 5.11 | | 4cf1bc1f1045 BPF_FUNC_task_storage_get() | 5.11 | | 4cf1bc1f1045 BPF_FUNC_tcp_check_syncookie() | 5.2 | | 399040847084 BPF_FUNC_tcp_gen_syncookie() | 5.3 | | 70d66244317e BPF_FUNC_tcp_raw_check_syncookie_ipv4() | 6.0 | | 33bf9885040c BPF_FUNC_tcp_raw_check_syncookie_ipv6() | 6.0 | | 33bf9885040c BPF_FUNC_tcp_raw_gen_syncookie_ipv4() | 6.0 | | 33bf9885040c BPF_FUNC_tcp_raw_gen_syncookie_ipv6() | 6.0 | | 33bf9885040c BPF_FUNC_tcp_send_ack() | 5.5 | | 206057fe020a".BPF_FUNC_tcp_sock() | 5.1 | | 655a51e536c0 BPF_FUNC_this_cpu_ptr() | 5.10 | | 63d9b80dcf2c | BPF_FUNC_timer_init() | 5.15 | | b00628b1c7d5 BPF_FUNC_timer_set_callback() | 5.15 | | b00628b1c7d5 BPF_FUNC_timer_start() | 5.15 | | b00628b1c7d5 BPF_FUNC_timer_cancel() | 5.15 | | b00628b1c7d5 BPF_FUNC_trace_printk() | 4.1 | GPL | 9c959c863f82 BPF_FUNC_trace_vprintk() | 5.16 | GPL | 10aceb629e19 BPF_FUNC_user_ringbuf_drain() | 6.1 | | 205715673844 BPF_FUNC_xdp_adjust_head() | 4.10 | | 17bedab27231 BPF_FUNC_xdp_adjust_meta() | 4.15 | | de8f3a83b0a0 BPF_FUNC_xdp_adjust_tail() | 4.18 | | b32cc5b9a346 BPF_FUNC_xdp_get_buff_len() | 5.18 | | 0165cc817075 BPF_FUNC_xdp_load_bytes() | 5.18 | | 3f364222d032". format: 返回仅翻译的内容, 不包括原文."BPF_FUNC_xdp_store_bytes() | 5.18 | | 3f364222d032 BPF_FUNC_xdp_output() | 5.6 | GPL | d831ee84bfc9 BPF_FUNC_override_return() | 4.16 | GPL | 9802d86585db BPF_FUNC_sock_ops_cb_flags_set() | 4.16 | | b13d88072172

Note: GPL-only BPF helpers require a GPL-compatible license. The current licenses considered GPL-compatible by the kernel are:

GPL
GPL v2
GPL and additional rights
Dual BSD/GPL
Dual MIT/GPL
Dual MPL/GPL

Check the list of GPL-compatible licenses in your kernel source code.

Program Types

The list of program types and supported helper functions can be retrieved with:

git grep -W 'func_proto(enum bpf_func_id func_id' kernel/ net/ drivers/

Program Type	Helper Functions
`BPF_PROG_TYPE_SOCKET_FILTER`	`BPF_FUNC_skb_load_bytes()` `BPF_FUNC_skb_load_bytes_relative()` `BPF_FUNC_get_socket_cookie()` `BPF_FUNC_get_socket_uid()` `BPF_FUNC_perf_event_output()` `Base functions`
`BPF_PROG_TYPE_KPROBE`	`BPF_FUNC_perf_event_output()` `BPF_FUNC_get_stackid()` `BPF_FUNC_get_stack()` `BPF_FUNC_perf_event_read_value()` `BPF_FUNC_override_return()` `Tracing functions`
`BPF_PROG_TYPE_TRACEPOINT`	`BPF_FUNC_perf_event_output()` `BPF_FUNC_get_stackid()` `BPF_FUNC_get_stack()` `BPF_FUNC_d_path()` `Tracing functions`
`BPF_PROG_TYPE_XDP`	`BPF_FUNC_perf_event_output()` `BPF_FUNC_get_smp_processor_id()` `BPF_FUNC_csum_diff()` `BPF_FUNC_xdp_adjust_head()` `BPF_FUNC_xdp_adjust_meta()` `BPF_FUNC_redirect()` `BPF_FUNC_redirect_map()` `BPF_FUNC_xdp_adjust_tail()` `BPF_FUNC_fib_lookup()` `Base functions`
`BPF_PROG_TYPE_PERF_EVENT`	`BPF_FUNC_perf_event_output()` `BPF_FUNC_get_stackid()` `BPF_FUNC_get_stack()` `BPF_FUNC_perf_prog_read_value()` `Tracing functions`
`BPF_PROG_TYPE_CGROUP_SOCK`	`BPF_FUNC_get_current_uid_gid()` `Base functions`
`BPF_PROG_TYPE_LWT_IN`	`BPF_FUNC_lwt_push_encap()` `LWT functions` `Base functions`
`BPF_PROG_TYPE_LWT_OUT`	`LWT functions` `Base functions`
`BPF_PROG_TYPE_LWT_XMIT`	`BPF_FUNC_skb_get_tunnel_key()` `BPF_FUNC_skb_set_tunnel_key()` `BPF_FUNC_skb_get_tunnel_opt()` `BPF_FUNC_skb_set_tunnel_opt()` `BPF_FUNC_redirect()` `BPF_FUNC_clone_redirect()` `BPF_FUNC_skb_change_tail()` `BPF_FUNC_skb_change_head()` `BPF_FUNC_skb_store_bytes()` `BPF_FUNC_csum_update()` `BPF_FUNC_l3_csum_replace()` `BPF_FUNC_l4_csum_replace()` `BPF_FUNC_set_hash_invalid()` `LWT functions`
`BPF_PROG_TYPE_SOCK_OPS`	`BPF_FUNC_setsockopt()` `BPF_FUNC_getsockopt()` `BPF_FUNC_sock_ops_cb_flags_set()` `BPF_FUNC_sock_map_update()` `BPF_FUNC_sock_hash_update()` `BPF_FUNC_get_socket_cookie()` `Base functions`
`BPF_PROG_TYPE_SK_SKB`	`BPF_FUNC_skb_store_bytes()` `BPF_FUNC_skb_load_bytes()` `BPF_FUNC_skb_pull_data()` `BPF_FUNC_skb_change_tail()` `BPF_FUNC_skb_change_head()` `BPF_FUNC_get_socket_cookie()` `BPF_FUNC_get_socket_uid()` `BPF_FUNC_sk_redirect_map()` `BPF_FUNC_sk_redirect_hash()` `BPF_FUNC_sk_lookup_tcp()` `BPF_FUNC_sk_lookup_udp()` `BPF_FUNC_sk_release()` `Base functions`
`BPF_PROG_TYPE_CGROUP_DEVICE`	`BPF_FUNC_map_lookup_elem()` `BPF_FUNC_map_update_elem()` `BPF_FUNC_map_delete_elem()` `BPF_FUNC_get_current_uid_gid()` `BPF_FUNC_trace_printk()`
`BPF_PROG_TYPE_RAW_TRACEPOINT`	`BPF_FUNC_perf_event_output()` `BPF_FUNC_get_stackid()` `BPF_FUNC_get_stack()` `BPF_FUNC_skb_output()` `Tracing functions`
`BPF_PROG_TYPE_CGROUP_SOCK_ADDR`	`BPF_FUNC_get_current_uid_gid()` `BPF_FUNC_bind()` `BPF_FUNC_get_socket_cookie()` `Base functions`
`BPF_PROG_TYPE_LWT_SEG6LOCAL`	`BPF_FUNC_lwt_seg6_store_bytes()` `BPF_FUNC_lwt_seg6_action()` `BPF_FUNC_lwt_seg6_adjust_srh()` `LWT functions`
`BPF_PROG_TYPE_LIRC_MODE2`	`BPF_FUNC_rc_repeat()` `BPF_FUNC_rc_keydown()` `BPF_FUNC_rc_pointer_rel()` `BPF_FUNC_map_lookup_elem()` `BPF_FUNC_map_update_elem()` `BPF_FUNC_map_delete_elem()` `BPF_FUNC_ktime_get_ns()` `BPF_FUNC_tail_call()` `BPF_FUNC_get_prandom_u32()` `BPF_FUNC_trace_printk()`
`BPF_PROG_TYPE_SK_REUSEPORT`	`BPF_FUNC_sk_select_reuseport()` `BPF_FUNC_skb_load_bytes()` `BPF_FUNC_load_bytes_relative()` `Base functions`
`BPF_PROG_TYPE_FLOW_DISSECTOR`	`BPF_FUNC_skb_load_bytes()` `Base functions`

Function Group Functions

Base functions BPF_FUNC_map_lookup_elem()
BPF_FUNC_map_update_elem()
BPF_FUNC_map_delete_elem()
BPF_FUNC_map_peek_elem()
BPF_FUNC_map_pop_elem()
BPF_FUNC_map_push_elem()
BPF_FUNC_get_prandom_u32()
BPF_FUNC_get_smp_processor_id()
BPF_FUNC_get_numa_node_id()
BPF_FUNC_tail_call()
BPF_FUNC_ktime_get_boot_ns()
BPF_FUNC_ktime_get_ns()
BPF_FUNC_trace_printk()
BPF_FUNC_spin_lock()
BPF_FUNC_spin_unlock()

LWT functions BPF_FUNC_skb_load_bytes()
BPF_FUNC_skb_pull_data()
BPF_FUNC_csum_diff()
BPF_FUNC_get_cgroup_classid()
BPF_FUNC_get_route_realm()
BPF_FUNC_get_hash_recalc()
BPF_FUNC_perf_event_output()
BPF_FUNC_get_smp_processor_id()
BPF_FUNC_skb_under_cgroup()