xdp_noinline.c (2229B)
1// SPDX-License-Identifier: GPL-2.0 2#include <test_progs.h> 3#include <network_helpers.h> 4#include "test_xdp_noinline.skel.h" 5 6void test_xdp_noinline(void) 7{ 8 unsigned int nr_cpus = bpf_num_possible_cpus(); 9 struct test_xdp_noinline *skel; 10 struct vip key = {.protocol = 6}; 11 struct vip_meta { 12 __u32 flags; 13 __u32 vip_num; 14 } value = {.vip_num = VIP_NUM}; 15 __u32 stats_key = VIP_NUM; 16 struct vip_stats { 17 __u64 bytes; 18 __u64 pkts; 19 } stats[nr_cpus]; 20 struct real_definition { 21 union { 22 __be32 dst; 23 __be32 dstv6[4]; 24 }; 25 __u8 flags; 26 } real_def = {.dst = MAGIC_VAL}; 27 __u32 ch_key = 11, real_num = 3; 28 int err, i; 29 __u64 bytes = 0, pkts = 0; 30 char buf[128]; 31 u32 *magic = (u32 *)buf; 32 LIBBPF_OPTS(bpf_test_run_opts, topts, 33 .data_in = &pkt_v4, 34 .data_size_in = sizeof(pkt_v4), 35 .data_out = buf, 36 .data_size_out = sizeof(buf), 37 .repeat = NUM_ITER, 38 ); 39 40 skel = test_xdp_noinline__open_and_load(); 41 if (!ASSERT_OK_PTR(skel, "skel_open_and_load")) 42 return; 43 44 bpf_map_update_elem(bpf_map__fd(skel->maps.vip_map), &key, &value, 0); 45 bpf_map_update_elem(bpf_map__fd(skel->maps.ch_rings), &ch_key, &real_num, 0); 46 bpf_map_update_elem(bpf_map__fd(skel->maps.reals), &real_num, &real_def, 0); 47 48 err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.balancer_ingress_v4), &topts); 49 ASSERT_OK(err, "ipv4 test_run"); 50 ASSERT_EQ(topts.retval, 1, "ipv4 test_run retval"); 51 ASSERT_EQ(topts.data_size_out, 54, "ipv4 test_run data_size_out"); 52 ASSERT_EQ(*magic, MAGIC_VAL, "ipv4 test_run magic"); 53 54 topts.data_in = &pkt_v6; 55 topts.data_size_in = sizeof(pkt_v6); 56 topts.data_out = buf; 57 topts.data_size_out = sizeof(buf); 58 59 err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.balancer_ingress_v6), &topts); 60 ASSERT_OK(err, "ipv6 test_run"); 61 ASSERT_EQ(topts.retval, 1, "ipv6 test_run retval"); 62 ASSERT_EQ(topts.data_size_out, 74, "ipv6 test_run data_size_out"); 63 ASSERT_EQ(*magic, MAGIC_VAL, "ipv6 test_run magic"); 64 65 bpf_map_lookup_elem(bpf_map__fd(skel->maps.stats), &stats_key, stats); 66 for (i = 0; i < nr_cpus; i++) { 67 bytes += stats[i].bytes; 68 pkts += stats[i].pkts; 69 } 70 ASSERT_EQ(bytes, MAGIC_BYTES * NUM_ITER * 2, "stats bytes"); 71 ASSERT_EQ(pkts, NUM_ITER * 2, "stats pkts"); 72 test_xdp_noinline__destroy(skel); 73}