mirror of https://gitee.com/openkylin/linux.git
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <test_progs.h>
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void test_prog_run_xattr(void)
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{
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const char *file = "./test_pkt_access.o";
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struct bpf_object *obj;
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char buf[10];
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int err;
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struct bpf_prog_test_run_attr tattr = {
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.repeat = 1,
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.data_in = &pkt_v4,
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.data_size_in = sizeof(pkt_v4),
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.data_out = buf,
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.data_size_out = 5,
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};
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err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj,
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&tattr.prog_fd);
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if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno))
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return;
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memset(buf, 0, sizeof(buf));
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err = bpf_prog_test_run_xattr(&tattr);
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CHECK_ATTR(err != -1 || errno != ENOSPC || tattr.retval, "run",
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"err %d errno %d retval %d\n", err, errno, tattr.retval);
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CHECK_ATTR(tattr.data_size_out != sizeof(pkt_v4), "data_size_out",
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"incorrect output size, want %lu have %u\n",
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sizeof(pkt_v4), tattr.data_size_out);
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CHECK_ATTR(buf[5] != 0, "overflow",
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"BPF_PROG_TEST_RUN ignored size hint\n");
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tattr.data_out = NULL;
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tattr.data_size_out = 0;
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errno = 0;
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err = bpf_prog_test_run_xattr(&tattr);
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CHECK_ATTR(err || errno || tattr.retval, "run_no_output",
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"err %d errno %d retval %d\n", err, errno, tattr.retval);
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tattr.data_size_out = 1;
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err = bpf_prog_test_run_xattr(&tattr);
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CHECK_ATTR(err != -EINVAL, "run_wrong_size_out", "err %d\n", err);
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bpf_object__close(obj);
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}
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