// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2020 Facebook #include #include #include "map_ptr_kern.skel.h" void test_map_ptr(void) { struct map_ptr_kern *skel; __u32 duration = 0, retval; char buf[128]; int err; int page_size = getpagesize(); skel = map_ptr_kern__open(); if (!ASSERT_OK_PTR(skel, "skel_open")) return; err = bpf_map__set_max_entries(skel->maps.m_ringbuf, page_size); if (!ASSERT_OK(err, "bpf_map__set_max_entries")) goto cleanup; err = map_ptr_kern__load(skel); if (!ASSERT_OK(err, "skel_load")) goto cleanup; skel->bss->page_size = page_size; err = bpf_prog_test_run(bpf_program__fd(skel->progs.cg_skb), 1, &pkt_v4, sizeof(pkt_v4), buf, NULL, &retval, NULL); if (CHECK(err, "test_run", "err=%d errno=%d\n", err, errno)) goto cleanup; if (CHECK(!retval, "retval", "retval=%d map_type=%u line=%u\n", retval, skel->bss->g_map_type, skel->bss->g_line)) goto cleanup; cleanup: map_ptr_kern__destroy(skel); }