650c9dbd10
To exercise CO-RE in the kernel further convert map_ptr_kern test to light skeleton. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211201181040.23337-15-alexei.starovoitov@gmail.com
42 lines
941 B
C
42 lines
941 B
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2020 Facebook
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#include <test_progs.h>
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#include <network_helpers.h>
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#include "map_ptr_kern.lskel.h"
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void test_map_ptr(void)
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{
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struct map_ptr_kern_lskel *skel;
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__u32 duration = 0, retval;
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char buf[128];
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int err;
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int page_size = getpagesize();
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skel = map_ptr_kern_lskel__open();
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if (!ASSERT_OK_PTR(skel, "skel_open"))
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return;
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skel->maps.m_ringbuf.max_entries = page_size;
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err = map_ptr_kern_lskel__load(skel);
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if (!ASSERT_OK(err, "skel_load"))
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goto cleanup;
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skel->bss->page_size = page_size;
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err = bpf_prog_test_run(skel->progs.cg_skb.prog_fd, 1, &pkt_v4,
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sizeof(pkt_v4), buf, NULL, &retval, NULL);
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if (CHECK(err, "test_run", "err=%d errno=%d\n", err, errno))
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goto cleanup;
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if (CHECK(!retval, "retval", "retval=%d map_type=%u line=%u\n", retval,
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skel->bss->g_map_type, skel->bss->g_line))
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goto cleanup;
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cleanup:
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map_ptr_kern_lskel__destroy(skel);
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}
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