1 // SPDX-License-Identifier: GPL-2.0 2 #include <test_progs.h> 3 4 void test_xdp_noinline(void) 5 { 6 const char *file = "./test_xdp_noinline.o"; 7 unsigned int nr_cpus = bpf_num_possible_cpus(); 8 struct vip key = {.protocol = 6}; 9 struct vip_meta { 10 __u32 flags; 11 __u32 vip_num; 12 } value = {.vip_num = VIP_NUM}; 13 __u32 stats_key = VIP_NUM; 14 struct vip_stats { 15 __u64 bytes; 16 __u64 pkts; 17 } stats[nr_cpus]; 18 struct real_definition { 19 union { 20 __be32 dst; 21 __be32 dstv6[4]; 22 }; 23 __u8 flags; 24 } real_def = {.dst = MAGIC_VAL}; 25 __u32 ch_key = 11, real_num = 3; 26 __u32 duration, retval, size; 27 int err, i, prog_fd, map_fd; 28 __u64 bytes = 0, pkts = 0; 29 struct bpf_object *obj; 30 char buf[128]; 31 u32 *magic = (u32 *)buf; 32 33 err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); 34 if (err) { 35 error_cnt++; 36 return; 37 } 38 39 map_fd = bpf_find_map(__func__, obj, "vip_map"); 40 if (map_fd < 0) 41 goto out; 42 bpf_map_update_elem(map_fd, &key, &value, 0); 43 44 map_fd = bpf_find_map(__func__, obj, "ch_rings"); 45 if (map_fd < 0) 46 goto out; 47 bpf_map_update_elem(map_fd, &ch_key, &real_num, 0); 48 49 map_fd = bpf_find_map(__func__, obj, "reals"); 50 if (map_fd < 0) 51 goto out; 52 bpf_map_update_elem(map_fd, &real_num, &real_def, 0); 53 54 err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4), 55 buf, &size, &retval, &duration); 56 CHECK(err || retval != 1 || size != 54 || 57 *magic != MAGIC_VAL, "ipv4", 58 "err %d errno %d retval %d size %d magic %x\n", 59 err, errno, retval, size, *magic); 60 61 err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6), 62 buf, &size, &retval, &duration); 63 CHECK(err || retval != 1 || size != 74 || 64 *magic != MAGIC_VAL, "ipv6", 65 "err %d errno %d retval %d size %d magic %x\n", 66 err, errno, retval, size, *magic); 67 68 map_fd = bpf_find_map(__func__, obj, "stats"); 69 if (map_fd < 0) 70 goto out; 71 bpf_map_lookup_elem(map_fd, &stats_key, stats); 72 for (i = 0; i < nr_cpus; i++) { 73 bytes += stats[i].bytes; 74 pkts += stats[i].pkts; 75 } 76 if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) { 77 error_cnt++; 78 printf("test_xdp_noinline:FAIL:stats %lld %lld\n", bytes, pkts); 79 } 80 out: 81 bpf_object__close(obj); 82 } 83