1 // SPDX-License-Identifier: GPL-2.0 2 #include <test_progs.h> 3 4 void test_xdp(void) 5 { 6 struct vip key4 = {.protocol = 6, .family = AF_INET}; 7 struct vip key6 = {.protocol = 6, .family = AF_INET6}; 8 struct iptnl_info value4 = {.family = AF_INET}; 9 struct iptnl_info value6 = {.family = AF_INET6}; 10 const char *file = "./test_xdp.o"; 11 struct bpf_object *obj; 12 char buf[128]; 13 struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr); 14 struct iphdr *iph = (void *)buf + sizeof(struct ethhdr); 15 __u32 duration, retval, size; 16 int err, prog_fd, map_fd; 17 18 err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); 19 if (err) { 20 error_cnt++; 21 return; 22 } 23 24 map_fd = bpf_find_map(__func__, obj, "vip2tnl"); 25 if (map_fd < 0) 26 goto out; 27 bpf_map_update_elem(map_fd, &key4, &value4, 0); 28 bpf_map_update_elem(map_fd, &key6, &value6, 0); 29 30 err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), 31 buf, &size, &retval, &duration); 32 33 CHECK(err || retval != XDP_TX || size != 74 || 34 iph->protocol != IPPROTO_IPIP, "ipv4", 35 "err %d errno %d retval %d size %d\n", 36 err, errno, retval, size); 37 38 err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6), 39 buf, &size, &retval, &duration); 40 CHECK(err || retval != XDP_TX || size != 114 || 41 iph6->nexthdr != IPPROTO_IPV6, "ipv6", 42 "err %d errno %d retval %d size %d\n", 43 err, errno, retval, size); 44 out: 45 bpf_object__close(obj); 46 } 47