From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../testing/selftests/bpf/progs/timer_mim_reject.c | 74 ++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/timer_mim_reject.c (limited to 'tools/testing/selftests/bpf/progs/timer_mim_reject.c') diff --git a/tools/testing/selftests/bpf/progs/timer_mim_reject.c b/tools/testing/selftests/bpf/progs/timer_mim_reject.c new file mode 100644 index 000000000..5d648e3d8 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/timer_mim_reject.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include +#include +#include +#include +#include "bpf_tcp_helpers.h" + +char _license[] SEC("license") = "GPL"; +struct hmap_elem { + int pad; /* unused */ + struct bpf_timer timer; +}; + +struct inner_map { + __uint(type, BPF_MAP_TYPE_HASH); + __uint(max_entries, 1024); + __type(key, int); + __type(value, struct hmap_elem); +} inner_htab SEC(".maps"); + +#define ARRAY_KEY 1 +#define ARRAY_KEY2 2 +#define HASH_KEY 1234 + +struct outer_arr { + __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS); + __uint(max_entries, 2); + __uint(key_size, sizeof(int)); + __uint(value_size, sizeof(int)); + __array(values, struct inner_map); +} outer_arr SEC(".maps") = { + .values = { [ARRAY_KEY] = &inner_htab }, +}; + +__u64 err; +__u64 ok; +__u64 cnt; + +/* callback for inner hash map */ +static int timer_cb(void *map, int *key, struct hmap_elem *val) +{ + return 0; +} + +SEC("fentry/bpf_fentry_test1") +int BPF_PROG(test1, int a) +{ + struct hmap_elem init = {}; + struct bpf_map *inner_map, *inner_map2; + struct hmap_elem *val; + int array_key = ARRAY_KEY; + int array_key2 = ARRAY_KEY2; + int hash_key = HASH_KEY; + + inner_map = bpf_map_lookup_elem(&outer_arr, &array_key); + if (!inner_map) + return 0; + + inner_map2 = bpf_map_lookup_elem(&outer_arr, &array_key2); + if (!inner_map2) + return 0; + bpf_map_update_elem(inner_map, &hash_key, &init, 0); + val = bpf_map_lookup_elem(inner_map, &hash_key); + if (!val) + return 0; + + bpf_timer_init(&val->timer, inner_map2, CLOCK_MONOTONIC); + if (bpf_timer_set_callback(&val->timer, timer_cb)) + err |= 4; + if (bpf_timer_start(&val->timer, 0, 0)) + err |= 8; + return 0; +} -- cgit v1.2.3