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tetragon: update bpf func mappings and add dynptr_*, timer*, ring* #2205

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Mar 11, 2024
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tetragon: update bpf func mappings and add dynptr_*, timer*, ring* #2205

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20 changes: 20 additions & 0 deletions bpf/include/api.h
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Original file line number Diff line number Diff line change
Expand Up @@ -227,6 +227,26 @@ static __u64 BPF_FUNC(get_attach_cookie, void *ctx);

static long BPF_FUNC(loop, __u32 nr_loops, void *callback_fn, void *callback_ctx, __u64 flags);

static long BPF_FUNC(ringbuf_output, void *data, uint64_t size, uint64_t flags);
static void BPF_FUNC(ringbuf_reserve, void *ringbuf, uint64_t size, uint64_t flags);
static void BPF_FUNC(ringbuf_submit, void *data, uint64_t flags);
static void BPF_FUNC(ringbuf_discard, void *data, uint64_t flags);
static long BPF_FUNC(ringbuf_query, void *ringbuf, uint64_t flags);

static long BPF_FUNC(ringbuf_reserve_dynptr, void *ringbuf, uint32_t size, uint64_t flags, struct bpf_dynptr *ptr);
static void BPF_FUNC(ringbuf_submit_dynptr, struct bpf_dynptr *ptr, uint64_t flags);
static void BPF_FUNC(ringbuf_discard_dynptr, struct bpf_dynptr *ptr, uint64_t flags);

static long BPF_FUNC(dynptr_from_mem, void *data, uint32_t size, uint64_t flags, struct bpf_dynptr *ptr);
static long BPF_FUNC(dynptr_read, void *dst, uint32_t len, const struct bpf_dynptr *src, uint32_t offset, uint64_t flags);
static long BPF_FUNC(dynptr_write, const struct bpf_dynptr *dst, uint32_t offset, void *src, uint32_t len, uint64_t flags);
static void BPF_FUNC(dynptr_data, const struct bpf_dynptr *ptr, uint32_t offset, uint32_t len);

static long BPF_FUNC(timer_init, struct bpf_timer *timer, void *map, uint64_t flags);
static long BPF_FUNC(timer_set_callback, struct bpf_timer *timer, void *callback_fun);
static long BPF_FUNC(timer_start, struct bpf_timer *timer, uint64_t nsecs, uint64_t flags);
static long BPF_FUNC(timer_cancel, struct bpf_timer *timer);

/** LLVM built-ins, mem*() routines work for constant size */

#ifndef lock_xadd
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27 changes: 26 additions & 1 deletion bpf/include/vmlinux.h
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Original file line number Diff line number Diff line change
Expand Up @@ -9400,7 +9400,23 @@ enum bpf_func_id {
BPF_FUNC_ima_file_hash = 193,
BPF_FUNC_kptr_xchg = 194,
BPF_FUNC_map_lookup_percpu_elem = 195,
__BPF_FUNC_MAX_ID = 136,
BPF_FUNC_skc_to_mptcp_sock = 196,
BPF_FUNC_dynptr_from_mem = 197,
BPF_FUNC_ringbuf_reserve_dynptr = 198,
BPF_FUNC_ringbuf_submit_dynptr = 199,
BPF_FUNC_ringbuf_discard_dynptr = 200,
BPF_FUNC_dynptr_read = 201,
BPF_FUNC_dynptr_write = 202,
BPF_FUNC_dynptr_data = 203,
BPF_FUNC_tcp_raw_gen_syncookie_ipv4 = 204,
BPF_FUNC_tcp_raw_gen_syncookie_ipv6 = 205,
BPF_FUNC_tcp_raw_check_syncookie_ipv4 = 206,
BPF_FUNC_tcp_raw_check_syncookie_ipv6 = 207,
BPF_FUNC_ktime_get_tai_ns = 208,
BPF_FUNC_user_ringbuf_drain = 209,
BPF_FUNC_cgrp_storage_get = 210,
BPF_FUNC_cgrp_storage_delete = 211,
__BPF_FUNC_MAX_ID = 212,
};

struct bpf_func_info {
Expand Down Expand Up @@ -85138,4 +85154,13 @@ struct amd_hostbridge {
u32 slot;
u32 device;
};

struct bpf_timer {
u64 __opaque[2];
} __attribute__((aligned(8)));

struct bpf_dynptr {
__u64 __opaque[2];
} __attribute__((aligned(8)));

#endif
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