// SPDX-License-Identifier: GPL-2.0 #include <test_progs.h> #include <network_helpers.h> void test_xdp(void) { struct vip key4 = {.protocol = 6, .family = AF_INET}; struct vip key6 = {.protocol = 6, .family = AF_INET6}; struct iptnl_info value4 = {.family = AF_INET}; struct iptnl_info value6 = {.family = AF_INET6}; const char *file = "./test_xdp.o"; struct bpf_object *obj; char buf[128]; struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr); struct iphdr *iph = (void *)buf + sizeof(struct ethhdr); __u32 duration, retval, size; int err, prog_fd, map_fd; err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); if (CHECK_FAIL(err)) return; map_fd = bpf_find_map(__func__, obj, "vip2tnl"); if (map_fd < 0) goto out; bpf_map_update_elem(map_fd, &key4, &value4, 0); bpf_map_update_elem(map_fd, &key6, &value6, 0); err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), buf, &size, &retval, &duration); CHECK(err || retval != XDP_TX || size != 74 || iph->protocol != IPPROTO_IPIP, "ipv4", "err %d errno %d retval %d size %d\n", err, errno, retval, size); err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6), buf, &size, &retval, &duration); CHECK(err || retval != XDP_TX || size != 114 || iph6->nexthdr != IPPROTO_IPV6, "ipv6", "err %d errno %d retval %d size %d\n", err, errno, retval, size); out: bpf_object__close(obj); }