61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <test_progs.h>
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#include <linux/btf.h>
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#include "netif_receive_skb.skel.h"
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/* Demonstrate that bpf_snprintf_btf succeeds and that various data types
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* are formatted correctly.
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*/
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void test_snprintf_btf(void)
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{
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struct netif_receive_skb *skel;
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struct netif_receive_skb__bss *bss;
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int err, duration = 0;
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skel = netif_receive_skb__open();
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if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
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return;
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err = netif_receive_skb__load(skel);
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if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
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goto cleanup;
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bss = skel->bss;
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err = netif_receive_skb__attach(skel);
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if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
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goto cleanup;
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/* generate receive event */
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err = system("ping -c 1 127.0.0.1 > /dev/null");
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if (CHECK(err, "system", "ping failed: %d\n", err))
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goto cleanup;
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if (bss->skip) {
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printf("%s:SKIP:no __builtin_btf_type_id\n", __func__);
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test__skip();
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goto cleanup;
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}
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/*
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* Make sure netif_receive_skb program was triggered
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* and it set expected return values from bpf_trace_printk()s
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* and all tests ran.
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*/
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if (!ASSERT_GT(bss->ret, 0, "bpf_snprintf_ret"))
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goto cleanup;
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if (CHECK(bss->ran_subtests == 0, "check if subtests ran",
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"no subtests ran, did BPF program run?"))
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goto cleanup;
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if (CHECK(bss->num_subtests != bss->ran_subtests,
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"check all subtests ran",
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"only ran %d of %d tests\n", bss->num_subtests,
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bss->ran_subtests))
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goto cleanup;
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cleanup:
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netif_receive_skb__destroy(skel);
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}
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