// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include <linux/btf.h>
#include "netif_receive_skb.skel.h"

/* Demonstrate that bpf_snprintf_btf succeeds and that various data types
 * are formatted correctly.
 */
void serial_test_snprintf_btf(void)
{
        struct netif_receive_skb *skel;
        struct netif_receive_skb__bss *bss;
        int err, duration = 0;

        skel = netif_receive_skb__open();
        if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
                return;

        err = netif_receive_skb__load(skel);
        if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
                goto cleanup;

        bss = skel->bss;

        err = netif_receive_skb__attach(skel);
        if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
                goto cleanup;

        /* generate receive event */
        err = system("ping -c 1 127.0.0.1 > /dev/null");
        if (CHECK(err, "system", "ping failed: %d\n", err))
                goto cleanup;

        if (bss->skip) {
                printf("%s:SKIP:no __builtin_btf_type_id\n", __func__);
                test__skip();
                goto cleanup;
        }

        /*
         * Make sure netif_receive_skb program was triggered
         * and it set expected return values from bpf_trace_printk()s
         * and all tests ran.
         */
        if (!ASSERT_GT(bss->ret, 0, "bpf_snprintf_ret"))
                goto cleanup;

        if (CHECK(bss->ran_subtests == 0, "check if subtests ran",
                  "no subtests ran, did BPF program run?"))
                goto cleanup;

        if (CHECK(bss->num_subtests != bss->ran_subtests,
                  "check all subtests ran",
                  "only ran %d of %d tests\n", bss->num_subtests,
                  bss->ran_subtests))
                goto cleanup;

cleanup:
        netif_receive_skb__destroy(skel);
}