*/
#include <vnet/ip6-nd/ip6_nd.h>
+#include <vnet/ip6-nd/ip6_nd_inline.h>
#include <vnet/ip-neighbor/ip_neighbor.h>
#include <vnet/ip-neighbor/ip_neighbor_dp.h>
static ip6_link_delegate_id_t ip6_nd_delegate_id;
static ip6_nd_t *ip6_nd_pool;
-
-typedef enum
-{
- ICMP6_NEIGHBOR_SOLICITATION_NEXT_DROP,
- ICMP6_NEIGHBOR_SOLICITATION_NEXT_REPLY,
- ICMP6_NEIGHBOR_SOLICITATION_N_NEXT,
-} icmp6_neighbor_solicitation_or_advertisement_next_t;
-
static_always_inline uword
icmp6_neighbor_solicitation_or_advertisement (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame,
uword is_solicitation)
{
- vnet_main_t *vnm = vnet_get_main ();
ip6_main_t *im = &ip6_main;
uword n_packets = frame->n_vectors;
u32 *from, *to_next;
icmp6_neighbor_discovery_option_type_t option_type;
vlib_node_runtime_t *error_node =
vlib_node_get_runtime (vm, ip6_icmp_input_node.index);
- int bogus_length;
from = vlib_frame_vector_args (frame);
n_left_from = n_packets;
icmp6_neighbor_discovery_ethernet_link_layer_address_option_t *o0;
u32 bi0, options_len0, sw_if_index0, next0, error0;
u32 ip6_sadd_link_local, ip6_sadd_unspecified;
+ ip_neighbor_counter_type_t c_type;
int is_rewrite0;
u32 ni0;
{
ip_neighbor_learn_t learn = {
.sw_if_index = sw_if_index0,
- .type = IP46_TYPE_IP6,
- .ip.ip6 = (is_solicitation ?
- ip0->src_address : h0->target_address),
+ .ip = {
+ .version = AF_IP6,
+ .ip.ip6 = (is_solicitation ?
+ ip0->src_address :
+ h0->target_address),
+ }
};
memcpy (&learn.mac, o0->ethernet_address, sizeof (learn.mac));
ip_neighbor_learn_dp (&learn);
/* It's an address that belongs to one of our interfaces
* that's good. */
}
- else
- if (fib_entry_is_sourced
- (fei, FIB_SOURCE_IP6_ND_PROXY) ||
- fib_entry_is_sourced (fei, FIB_SOURCE_IP6_ND))
+ else if (FIB_ENTRY_FLAG_LOCAL &
+ fib_entry_get_flags_for_source (
+ fei, FIB_SOURCE_IP6_ND))
+ {
+ /* It's one of our link local addresses
+ * that's good. */
+ }
+ else if (fib_entry_is_sourced (fei,
+ FIB_SOURCE_IP6_ND_PROXY))
{
/* The address was added by IPv6 Proxy ND config.
* We should only respond to these if the NS arrived on
}
if (is_solicitation)
- next0 = (error0 != ICMP6_ERROR_NONE
- ? ICMP6_NEIGHBOR_SOLICITATION_NEXT_DROP
- : ICMP6_NEIGHBOR_SOLICITATION_NEXT_REPLY);
+ {
+ next0 = (error0 != ICMP6_ERROR_NONE ?
+ ICMP6_NEIGHBOR_SOLICITATION_NEXT_DROP :
+ ICMP6_NEIGHBOR_SOLICITATION_NEXT_REPLY);
+ c_type = IP_NEIGHBOR_CTR_REQUEST;
+ }
else
{
next0 = 0;
error0 = error0 == ICMP6_ERROR_NONE ?
ICMP6_ERROR_NEIGHBOR_ADVERTISEMENTS_RX : error0;
+ c_type = IP_NEIGHBOR_CTR_REPLY;
}
+ vlib_increment_simple_counter (
+ &ip_neighbor_counters[AF_IP6].ipnc[VLIB_RX][c_type],
+ vm->thread_index, sw_if_index0, 1);
+
if (is_solicitation && error0 == ICMP6_ERROR_NONE)
{
- vnet_sw_interface_t *sw_if0;
- ethernet_interface_t *eth_if0;
- ethernet_header_t *eth0;
-
- /* dst address is either source address or the all-nodes mcast addr */
- if (!ip6_sadd_unspecified)
- ip0->dst_address = ip0->src_address;
- else
- ip6_set_reserved_multicast_address (&ip0->dst_address,
- IP6_MULTICAST_SCOPE_link_local,
- IP6_MULTICAST_GROUP_ID_all_hosts);
-
- ip0->src_address = h0->target_address;
- ip0->hop_limit = 255;
- h0->icmp.type = ICMP6_neighbor_advertisement;
-
- sw_if0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
- ASSERT (sw_if0->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
- eth_if0 =
- ethernet_get_interface (ðernet_main, sw_if0->hw_if_index);
- if (eth_if0 && o0)
- {
- clib_memcpy (o0->ethernet_address, eth_if0->address, 6);
- o0->header.type =
- ICMP6_NEIGHBOR_DISCOVERY_OPTION_target_link_layer_address;
- }
-
- h0->advertisement_flags = clib_host_to_net_u32
- (ICMP6_NEIGHBOR_ADVERTISEMENT_FLAG_SOLICITED
- | ICMP6_NEIGHBOR_ADVERTISEMENT_FLAG_OVERRIDE);
-
- h0->icmp.checksum = 0;
- h0->icmp.checksum =
- ip6_tcp_udp_icmp_compute_checksum (vm, p0, ip0,
- &bogus_length);
- ASSERT (bogus_length == 0);
-
- /* Reuse current MAC header, copy SMAC to DMAC and
- * interface MAC to SMAC */
- vlib_buffer_advance (p0, -ethernet_buffer_header_size (p0));
- eth0 = vlib_buffer_get_current (p0);
- clib_memcpy (eth0->dst_address, eth0->src_address, 6);
- if (eth_if0)
- clib_memcpy (eth0->src_address, eth_if0->address, 6);
-
- /* Setup input and output sw_if_index for packet */
- ASSERT (vnet_buffer (p0)->sw_if_index[VLIB_RX] == sw_if_index0);
- vnet_buffer (p0)->sw_if_index[VLIB_TX] = sw_if_index0;
- vnet_buffer (p0)->sw_if_index[VLIB_RX] =
- vnet_main.local_interface_sw_if_index;
-
+ icmp6_send_neighbor_advertisement (vm, p0, ip0, h0, o0,
+ sw_if_index0);
n_advertisements_sent++;
}
0);
}
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip6_icmp_neighbor_solicitation_node,static) =
{
.function = icmp6_neighbor_solicitation,
[0] = "ip6-punt",
},
};
-/* *INDENT-ON* */
static u8 *
format_ip6_nd (u8 * s, va_list * args)
icmp6_register_type (vm, ICMP6_neighbor_advertisement,
ip6_icmp_neighbor_advertisement_node.index);
- ip_neighbor_register (IP46_TYPE_IP6, &ip6_nd_impl_vft);
+ ip_neighbor_register (AF_IP6, &ip6_nd_impl_vft);
ip6_nd_delegate_id = ip6_link_delegate_register (&ip6_nd_delegate_vft);
return 0;
}
-/* *INDENT-OFF* */
VLIB_INIT_FUNCTION (ip6_nd_init) =
{
.runs_after = VLIB_INITS("icmp6_init"),
};
-/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff