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 (CHECK_FAIL(err)) 20 return; 21 22 map_fd = bpf_find_map(__func__, obj, "vip2tnl"); 23 if (map_fd < 0) 24 goto out; 25 bpf_map_update_elem(map_fd, &key4, &value4, 0); 26 bpf_map_update_elem(map_fd, &key6, &value6, 0); 27 28 err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), 29 buf, &size, &retval, &duration); 30 31 CHECK(err || retval != XDP_TX || size != 74 || 32 iph->protocol != IPPROTO_IPIP, "ipv4", 33 "err %d errno %d retval %d size %d\n", 34 err, errno, retval, size); 35 36 err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6), 37 buf, &size, &retval, &duration); 38 CHECK(err || retval != XDP_TX || size != 114 || 39 iph6->nexthdr != IPPROTO_IPV6, "ipv6", 40 "err %d errno %d retval %d size %d\n", 41 err, errno, retval, size); 42 out: 43 bpf_object__close(obj); 44 } 45