1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2020 Facebook 3 4 #include <test_progs.h> 5 #include <network_helpers.h> 6 7 #include "map_ptr_kern.skel.h" 8 9 void test_map_ptr(void) 10 { 11 struct map_ptr_kern *skel; 12 __u32 duration = 0, retval; 13 char buf[128]; 14 int err; 15 int page_size = getpagesize(); 16 17 skel = map_ptr_kern__open(); 18 if (!ASSERT_OK_PTR(skel, "skel_open")) 19 return; 20 21 err = bpf_map__set_max_entries(skel->maps.m_ringbuf, page_size); 22 if (!ASSERT_OK(err, "bpf_map__set_max_entries")) 23 goto cleanup; 24 25 err = map_ptr_kern__load(skel); 26 if (!ASSERT_OK(err, "skel_load")) 27 goto cleanup; 28 29 skel->bss->page_size = page_size; 30 31 err = bpf_prog_test_run(bpf_program__fd(skel->progs.cg_skb), 1, &pkt_v4, 32 sizeof(pkt_v4), buf, NULL, &retval, NULL); 33 34 if (CHECK(err, "test_run", "err=%d errno=%d\n", err, errno)) 35 goto cleanup; 36 37 if (CHECK(!retval, "retval", "retval=%d map_type=%u line=%u\n", retval, 38 skel->bss->g_map_type, skel->bss->g_line)) 39 goto cleanup; 40 41 cleanup: 42 map_ptr_kern__destroy(skel); 43 } 44