enum ofp_return_code ofp_ipv6_processing(odp_packet_t *pkt)
{
int res;
int protocol = IS_IPV6;
uint32_t flags;
struct ofp_ip6_hdr *ipv6;
struct ofp_nh6_entry *nh;
struct ofp_ifnet *dev = odp_packet_user_ptr(*pkt);
int is_ours = 0;
ipv6 = (struct ofp_ip6_hdr *)odp_packet_l3_ptr(*pkt, NULL);
if (odp_unlikely(ipv6 == NULL))
return OFP_PKT_DROP;
/* is ipv6->dst_addr one of my IPv6 addresses from this interface*/
if (ofp_ip6_equal(dev->ip6_addr, ipv6->ip6_dst.ofp_s6_addr) ||
OFP_IN6_IS_SOLICITED_NODE_MC(ipv6->ip6_dst, dev->ip6_addr) ||
(memcmp((const void *)((uintptr_t)dev->link_local + 8),
(const void *)((uintptr_t)ipv6->ip6_dst.ofp_s6_addr + 8),
2 * sizeof(uint32_t)) == 0)) {
is_ours = 1;
}
/* check if it's ours for another ipv6 address */
if (!is_ours) {
nh = ofp_get_next_hop6(dev->vrf, ipv6->ip6_dst.ofp_s6_addr, &flags);
if (nh && (nh->flags & OFP_RTF_LOCAL))
is_ours = 1;
}
if (is_ours) {
OFP_HOOK(OFP_HOOK_LOCAL, *pkt, &protocol, &res);
if (res != OFP_PKT_CONTINUE) {
OFP_DBG("OFP_HOOK_LOCAL returned %d", res);
return res;
}
OFP_HOOK(OFP_HOOK_LOCAL_IPv6, *pkt, NULL, &res);
if (res != OFP_PKT_CONTINUE) {
OFP_DBG("OFP_HOOK_LOCAL_IPv6 returned %d", res);
return res;
}
return ipv6_transport_classifier(pkt, ipv6->ofp_ip6_nxt);
}
OFP_HOOK(OFP_HOOK_FWD_IPv6, *pkt, NULL, &res);
if (res != OFP_PKT_CONTINUE) {
OFP_DBG("OFP_HOOK_FWD_IPv6 returned %d", res);
return res;
}
nh = ofp_get_next_hop6(dev->vrf, ipv6->ip6_dst.ofp_s6_addr, &flags);
if (nh == NULL)
return OFP_PKT_CONTINUE;
return ofp_ip6_output(*pkt, nh);
}
static void
test_hook_out_ipv6(void)
{
int res;
odp_packet_t pkt = ODP_PACKET_INVALID;
if (create_odp_packet_ip6(&pkt, ip6udp_frame, sizeof(ip6udp_frame))) {
CU_FAIL("Fail to create packet");
return;
}
my_test_val = TEST_HOOK_OUT_IPv6;
res = ofp_ip6_output(pkt, NULL);
my_test_val = 0;
CU_ASSERT_EQUAL(res, TEST_HOOK_OUT_IPv6_VALUE);
CU_PASS("test_hook_out_ipv6");
}
static void
test_packet_output_ipv6_to_gre(void)
{
odp_packet_t pkt = ODP_PACKET_INVALID;
odp_event_t ev;
int res;
struct ofp_ether_header *eth;
struct ofp_ip6_hdr *ip6, *ip6_orig;
struct ofp_ip *ip;
struct ofp_greip *greip;
(void)tcp_frame;
(void)icmp_frame;
(void)arp_frame;
(void)icmp6_frame;
if (create_odp_packet_ip6(&pkt, ip6udp_frame, sizeof(ip6udp_frame))) {
CU_FAIL("Fail to create packet");
return;
}
ip6 = odp_packet_l3_ptr(pkt, NULL);
ofp_set_route6_params(OFP_ROUTE6_ADD, 0 /*vrf*/, 100 /*vlan*/, GRE_PORTS,
ip6->ip6_dst.__u6_addr.__u6_addr8, 64 /*masklen*/,
0 /*gw*/, OFP_RTF_NET /* flags */);
res = ofp_ip6_output(pkt, NULL);
CU_ASSERT_EQUAL(res, OFP_PKT_PROCESSED);
res = ofp_send_pending_pkt();
CU_ASSERT_EQUAL(res, OFP_PKT_PROCESSED);
ev = odp_queue_deq(dev->outq_def);
CU_ASSERT_NOT_EQUAL_FATAL(ev, ODP_EVENT_INVALID);
pkt = odp_packet_from_event(ev);
CU_ASSERT_EQUAL_FATAL(odp_packet_len(pkt),
sizeof(ip6udp_frame) + 20 + 4);
eth = odp_packet_l2_ptr(pkt, NULL);
if (memcmp(eth->ether_dhost, tun_rem_mac, OFP_ETHER_ADDR_LEN))
CU_FAIL("Bad destination mac address.");
if (memcmp(eth->ether_shost, dev->mac, OFP_ETHER_ADDR_LEN))
CU_FAIL("Bad source mac address.");
ip = odp_packet_l3_ptr(pkt, NULL);
CU_ASSERT_EQUAL(ip->ip_src.s_addr, dev_ip);
CU_ASSERT_EQUAL(ip->ip_dst.s_addr, tun_rem_ip);
CU_ASSERT_EQUAL(ip->ip_p, OFP_IPPROTO_GRE);
greip = (struct ofp_greip *)ip;
CU_ASSERT_EQUAL(greip->gi_g.flags, 0);
CU_ASSERT_EQUAL(greip->gi_g.ptype,
odp_cpu_to_be_16(OFP_ETHERTYPE_IPV6));
/* inner ip */
ip6 = (struct ofp_ip6_hdr *)(greip + 1);
ip6_orig = (struct ofp_ip6_hdr *)
(&orig_pkt_data[OFP_ETHER_HDR_LEN]);
if (memcmp(ip6, ip6_orig,
odp_be_to_cpu_16(ip6_orig->ofp_ip6_plen) + sizeof(*ip6)))
CU_FAIL("Inner IP packet error.");
}
