diff options
author | Florent Revest <revest@chromium.org> | 2020-12-04 12:36:07 +0100 |
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committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-12-04 22:32:40 +0100 |
commit | 593f6d41abbbc63e1ad297f7a36ab6060a812f0c (patch) | |
tree | 6981d03f07a50c74b5ee6deec1a57d35a92fe69e /tools/testing/selftests/bpf/progs | |
parent | a50a85e40c59cf27ca3b324a5aa4c7f35314f251 (diff) | |
download | linux-593f6d41abbbc63e1ad297f7a36ab6060a812f0c.tar.bz2 |
selftests/bpf: Add an iterator selftest for bpf_sk_storage_delete
The eBPF program iterates over all entries (well, only one) of a socket
local storage map and deletes them all. The test makes sure that the
entry is indeed deleted.
Signed-off-by: Florent Revest <revest@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20201204113609.1850150-4-revest@google.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs')
-rw-r--r-- | tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_helpers.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_helpers.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_helpers.c new file mode 100644 index 000000000000..01ff3235e413 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_helpers.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2020 Google LLC. */ +#include "bpf_iter.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +char _license[] SEC("license") = "GPL"; + +struct { + __uint(type, BPF_MAP_TYPE_SK_STORAGE); + __uint(map_flags, BPF_F_NO_PREALLOC); + __type(key, int); + __type(value, int); +} sk_stg_map SEC(".maps"); + +SEC("iter/bpf_sk_storage_map") +int delete_bpf_sk_storage_map(struct bpf_iter__bpf_sk_storage_map *ctx) +{ + if (ctx->sk) + bpf_sk_storage_delete(&sk_stg_map, ctx->sk); + + return 0; +} |