Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Benjamin Tissoires | 528 | 97.78% | 4 | 80.00% |
Eduard Zingerman | 12 | 2.22% | 1 | 20.00% |
Total | 540 | 5 |
// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2024 Benjamin Tissoires */ #include "bpf_experimental.h" #include <bpf/bpf_helpers.h> #include "bpf_misc.h" #include "../bpf_testmod/bpf_testmod_kfunc.h" char _license[] SEC("license") = "GPL"; struct elem { struct bpf_wq w; }; struct { __uint(type, BPF_MAP_TYPE_ARRAY); __uint(max_entries, 2); __type(key, int); __type(value, struct elem); } array SEC(".maps"); struct { __uint(type, BPF_MAP_TYPE_LRU_HASH); __uint(max_entries, 4); __type(key, int); __type(value, struct elem); } lru SEC(".maps"); /* callback for non sleepable workqueue */ static int wq_callback(void *map, int *key, void *value) { bpf_kfunc_common_test(); return 0; } /* callback for sleepable workqueue */ static int wq_cb_sleepable(void *map, int *key, void *value) { bpf_kfunc_call_test_sleepable(); return 0; } SEC("tc") /* test that bpf_wq_init takes a map as a second argument */ __log_level(2) __flag(BPF_F_TEST_STATE_FREQ) __failure __msg(": (85) call bpf_wq_init#") /* anchor message */ __msg("pointer in R2 isn't map pointer") long test_wq_init_nomap(void *ctx) { struct bpf_wq *wq; struct elem *val; int key = 0; val = bpf_map_lookup_elem(&array, &key); if (!val) return -1; wq = &val->w; if (bpf_wq_init(wq, &key, 0) != 0) return -3; return 0; } SEC("tc") /* test that the workqueue is part of the map in bpf_wq_init */ __log_level(2) __flag(BPF_F_TEST_STATE_FREQ) __failure __msg(": (85) call bpf_wq_init#") /* anchor message */ __msg("workqueue pointer in R1 map_uid=0 doesn't match map pointer in R2 map_uid=0") long test_wq_init_wrong_map(void *ctx) { struct bpf_wq *wq; struct elem *val; int key = 0; val = bpf_map_lookup_elem(&array, &key); if (!val) return -1; wq = &val->w; if (bpf_wq_init(wq, &lru, 0) != 0) return -3; return 0; } SEC("?tc") __log_level(2) __failure /* check that the first argument of bpf_wq_set_callback() * is a correct bpf_wq pointer. */ __msg(": (85) call bpf_wq_set_callback_impl#") /* anchor message */ __msg("arg#0 doesn't point to a map value") long test_wrong_wq_pointer(void *ctx) { int key = 0; struct bpf_wq *wq; wq = bpf_map_lookup_elem(&array, &key); if (!wq) return 1; if (bpf_wq_init(wq, &array, 0)) return 2; if (bpf_wq_set_callback((void *)&wq, wq_callback, 0)) return 3; return -22; } SEC("?tc") __log_level(2) __failure /* check that the first argument of bpf_wq_set_callback() * is a correct bpf_wq pointer. */ __msg(": (85) call bpf_wq_set_callback_impl#") /* anchor message */ __msg("off 1 doesn't point to 'struct bpf_wq' that is at 0") long test_wrong_wq_pointer_offset(void *ctx) { int key = 0; struct bpf_wq *wq; wq = bpf_map_lookup_elem(&array, &key); if (!wq) return 1; if (bpf_wq_init(wq, &array, 0)) return 2; if (bpf_wq_set_callback((void *)wq + 1, wq_cb_sleepable, 0)) return 3; return -22; }
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