int i, len;
int rv;
BVT(clib_bihash_kv) kv, value;
+ u64 fib;
len = vec_len (im->prefix_lengths_in_search_order);
+ kv.key[0] = dst->as_u64[0];
+ kv.key[1] = dst->as_u64[1];
+ fib = ((u64)((fib_index))<<32);
+
for (i = 0; i < len; i++)
{
int dst_address_length = im->prefix_lengths_in_search_order[i];
ip6_address_t * mask = &im->fib_masks[dst_address_length];
ASSERT(dst_address_length >= 0 && dst_address_length <= 128);
-
- kv.key[0] = dst->as_u64[0] & mask->as_u64[0];
- kv.key[1] = dst->as_u64[1] & mask->as_u64[1];
- kv.key[2] = ((u64)((fib_index))<<32) | dst_address_length;
+ //As lengths are decreasing, masks are increasingly specific.
+ kv.key[0] &= mask->as_u64[0];
+ kv.key[1] &= mask->as_u64[1];
+ kv.key[2] = fib | dst_address_length;
rv = BV(clib_bihash_search_inline_2)(&im->ip6_lookup_table, &kv, &value);
if (rv == 0)
fib_index = table_index_or_id;
if (! (flags & IP6_ROUTE_FLAG_FIB_INDEX))
{
+ if (table_index_or_id == ~0) {
+ table_index_or_id = 0;
+ while (hash_get (im->fib_index_by_table_id, table_index_or_id)) {
+ table_index_or_id++;
+ }
+ return create_fib_with_table_id (im, table_index_or_id);
+ }
+
p = hash_get (im->fib_index_by_table_id, table_index_or_id);
if (! p)
return create_fib_with_table_id (im, table_index_or_id);
}
/* Avoid spurious reference count increments */
- if (old_adj_index == adj_index)
+ if (old_adj_index == adj_index
+ && adj_index != ~0
+ && !(a->flags & IP6_ROUTE_FLAG_KEEP_OLD_ADJACENCY))
{
ip_adjacency_t * adj = ip_get_adjacency (lm, adj_index);
if (adj->share_count > 0)
kv.key[2] = ((u64)((fib - im->fibs))<<32) | 128;
if (BV(clib_bihash_search)(&im->ip6_lookup_table, &kv, &value) < 0)
+ {
+ ip_adjacency_t * adj;
+ nh_adj_index = ip6_fib_lookup_with_table (im, fib_index, next_hop);
+ adj = ip_get_adjacency (lm, nh_adj_index);
+ /* if ND interface adjacencty is present, we need to
+ install ND adjaceny for specific next hop */
+ if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP &&
+ adj->arp.next_hop.ip6.as_u64[0] == 0 &&
+ adj->arp.next_hop.ip6.as_u64[1] == 0)
+ {
+ nh_adj_index = vnet_ip6_neighbor_glean_add(fib_index, next_hop);
+ }
+ else
{
- vnm->api_errno = VNET_API_ERROR_UNKNOWN_DESTINATION;
- error = clib_error_return (0, "next-hop %U/128 not in FIB",
- format_ip6_address, next_hop);
- goto done;
+ ip_adjacency_t add_adj;
+ add_adj.lookup_next_index = IP_LOOKUP_NEXT_INDIRECT;
+ add_adj.indirect.next_hop.ip6.as_u64[0] = next_hop->as_u64[0];
+ add_adj.indirect.next_hop.ip6.as_u64[1] = next_hop->as_u64[1];
+ add_adj.explicit_fib_index = explicit_fib_index;
+ ip_add_adjacency (lm, &add_adj, 1, &nh_adj_index);
}
-
- nh_adj_index = value.value;
+ }
+ else
+ nh_adj_index = value.value;
+
}
}
else
goto done;
}
+ /* Destination is not known and default weight is set so add route
+ to existing non-multipath adjacency */
+ if (dst_adj_index == ~0 && next_hop_weight == 1 && next_hop_sw_if_index == ~0)
+ {
+ /* create new adjacency */
+ ip6_add_del_route_args_t a;
+ a.table_index_or_table_id = fib_index;
+ a.flags = ((is_del ? IP6_ROUTE_FLAG_DEL : IP6_ROUTE_FLAG_ADD)
+ | IP6_ROUTE_FLAG_FIB_INDEX
+ | IP6_ROUTE_FLAG_KEEP_OLD_ADJACENCY
+ | (flags & (IP6_ROUTE_FLAG_NO_REDISTRIBUTE
+ | IP6_ROUTE_FLAG_NOT_LAST_IN_GROUP)));
+ a.dst_address = dst_address[0];
+ a.dst_address_length = dst_address_length;
+ a.adj_index = nh_adj_index;
+ a.add_adj = 0;
+ a.n_add_adj = 0;
+
+ ip6_add_del_route (im, &a);
+ goto done;
+ }
+
old_mp_adj_index = dst_adj ? dst_adj->heap_handle : ~0;
if (! ip_multipath_adjacency_add_del_next_hop
BVT(clib_bihash_kv) kv, value;
ASSERT (address_length < ARRAY_LEN (im->fib_masks));
- memcpy (&masked_address, address, sizeof (masked_address));
+ clib_memcpy (&masked_address, address, sizeof (masked_address));
ip6_address_mask (&masked_address, &im->fib_masks[address_length]);
kv.key[0] = masked_address.as_u64[0];
ip6_maybe_remap_adjacencies (im, table_index_or_table_id, flags);
}
-static uword
-ip6_lookup (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+always_inline uword
+ip6_lookup_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame,
+ int is_indirect)
{
ip6_main_t * im = &ip6_main;
ip_lookup_main_t * lm = &im->lookup_main;
ip_lookup_next_t next0, next1;
ip6_header_t * ip0, * ip1;
ip_adjacency_t * adj0, * adj1;
+ ip6_address_t * dst_addr0, * dst_addr1;
u32 fib_index0, fib_index1;
u32 flow_hash_config0, flow_hash_config1;
ip0 = vlib_buffer_get_current (p0);
ip1 = vlib_buffer_get_current (p1);
+ if (is_indirect)
+ {
+ ip_adjacency_t * iadj0, * iadj1;
+ iadj0 = ip_get_adjacency (lm, vnet_buffer(p0)->ip.adj_index[VLIB_TX]);
+ iadj1 = ip_get_adjacency (lm, vnet_buffer(p1)->ip.adj_index[VLIB_TX]);
+ dst_addr0 = &iadj0->indirect.next_hop.ip6;
+ dst_addr1 = &iadj1->indirect.next_hop.ip6;
+ }
+ else
+ {
+ dst_addr0 = &ip0->dst_address;
+ dst_addr1 = &ip1->dst_address;
+ }
+
fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]);
fib_index1 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p1)->sw_if_index[VLIB_RX]);
fib_index1 = (vnet_buffer(p1)->sw_if_index[VLIB_TX] == (u32)~0) ?
fib_index1 : vnet_buffer(p1)->sw_if_index[VLIB_TX];
- adj_index0 = ip6_fib_lookup_with_table (im, fib_index0,
- &ip0->dst_address);
- adj_index1 = ip6_fib_lookup_with_table (im, fib_index1,
- &ip1->dst_address);
+ adj_index0 = ip6_fib_lookup_with_table (im, fib_index0, dst_addr0);
+ adj_index1 = ip6_fib_lookup_with_table (im, fib_index1, dst_addr1);
adj0 = ip_get_adjacency (lm, adj_index0);
adj1 = ip_get_adjacency (lm, adj_index1);
if (PREDICT_FALSE (adj0->explicit_fib_index != ~0))
{
adj_index0 = ip6_fib_lookup_with_table
- (im, adj0->explicit_fib_index, &ip0->dst_address);
+ (im, adj0->explicit_fib_index, dst_addr0);
adj0 = ip_get_adjacency (lm, adj_index0);
}
if (PREDICT_FALSE (adj1->explicit_fib_index != ~0))
{
adj_index1 = ip6_fib_lookup_with_table
- (im, adj1->explicit_fib_index, &ip1->dst_address);
+ (im, adj1->explicit_fib_index, dst_addr1);
adj1 = ip_get_adjacency (lm, adj_index1);
}
u32 pi0, adj_index0;
ip_lookup_next_t next0;
ip_adjacency_t * adj0;
+ ip6_address_t * dst_addr0;
u32 fib_index0, flow_hash_config0;
pi0 = from[0];
ip0 = vlib_buffer_get_current (p0);
+ if (is_indirect)
+ {
+ ip_adjacency_t * iadj0;
+ iadj0 = ip_get_adjacency (lm, vnet_buffer(p0)->ip.adj_index[VLIB_TX]);
+ dst_addr0 = &iadj0->indirect.next_hop.ip6;
+ }
+ else
+ {
+ dst_addr0 = &ip0->dst_address;
+ }
+
fib_index0 = vec_elt (im->fib_index_by_sw_if_index, vnet_buffer (p0)->sw_if_index[VLIB_RX]);
fib_index0 = (vnet_buffer(p0)->sw_if_index[VLIB_TX] == (u32)~0) ?
fib_index0 : vnet_buffer(p0)->sw_if_index[VLIB_TX];
flow_hash_config0 =
vec_elt_at_index (im->fibs,fib_index0)->flow_hash_config;
- adj_index0 = ip6_fib_lookup_with_table (im, fib_index0,
- &ip0->dst_address);
+ adj_index0 = ip6_fib_lookup_with_table (im, fib_index0, dst_addr0);
adj0 = ip_get_adjacency (lm, adj_index0);
if (PREDICT_FALSE (adj0->explicit_fib_index != ~0))
{
- adj_index0 = ip6_fib_lookup_with_table
- (im, adj0->explicit_fib_index, &ip0->dst_address);
+ adj_index0 = ip6_fib_lookup_with_table
+ (im, adj0->explicit_fib_index, dst_addr0);
adj0 = ip_get_adjacency (lm, adj_index0);
}
n = IP_LOOKUP_NEXT_ARP;
node_index = ip6_discover_neighbor_node.index;
adj->if_address_index = if_address_index;
+ adj->arp.next_hop.ip6.as_u64[0] = 0;
+ adj->arp.next_hop.ip6.as_u64[1] = 0;
}
else
{
if (classify_table_index != (u32) ~0)
{
adj->lookup_next_index = IP_LOOKUP_NEXT_CLASSIFY;
- adj->classify_table_index = classify_table_index;
+ adj->classify.table_index = classify_table_index;
}
else
adj->lookup_next_index = IP_LOOKUP_NEXT_LOCAL;
VNET_SW_INTERFACE_ADD_DEL_FUNCTION (ip6_sw_interface_add_del);
+static uword
+ip6_lookup (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return ip6_lookup_inline (vm, node, frame, /* is_indirect */ 0);
+}
+
VLIB_REGISTER_NODE (ip6_lookup_node) = {
.function = ip6_lookup,
.name = "ip6-lookup",
.vector_size = sizeof (u32),
.n_next_nodes = IP_LOOKUP_N_NEXT,
- .next_nodes = {
- [IP_LOOKUP_NEXT_MISS] = "ip6-miss",
- [IP_LOOKUP_NEXT_DROP] = "ip6-drop",
- [IP_LOOKUP_NEXT_PUNT] = "ip6-punt",
- [IP_LOOKUP_NEXT_LOCAL] = "ip6-local",
- [IP_LOOKUP_NEXT_ARP] = "ip6-discover-neighbor",
- [IP_LOOKUP_NEXT_REWRITE] = "ip6-rewrite",
- [IP_LOOKUP_NEXT_CLASSIFY] = "ip6-classify",
- [IP_LOOKUP_NEXT_MAP] = "ip6-map",
- [IP_LOOKUP_NEXT_MAP_T] = "ip6-map-t",
- [IP_LOOKUP_NEXT_SIXRD] = "ip6-sixrd",
- [IP_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop",
- [IP_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip6-add-hop-by-hop",
- [IP_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip6-pop-hop-by-hop",
- },
+ .next_nodes = IP6_LOOKUP_NEXT_NODES,
+};
+
+static uword
+ip6_indirect (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return ip6_lookup_inline (vm, node, frame, /* is_indirect */ 1);
+}
+
+
+VLIB_REGISTER_NODE (ip6_indirect_node) = {
+ .function = ip6_indirect,
+ .name = "ip6-indirect",
+ .vector_size = sizeof (u32),
+
+ .n_next_nodes = IP_LOOKUP_N_NEXT,
+ .next_nodes = IP6_LOOKUP_NEXT_NODES,
};
typedef struct {
u32 fib_index;
/* Packet data, possibly *after* rewrite. */
- u8 packet_data[64 - 1*sizeof(u32)];
+ u8 packet_data[128 - 1*sizeof(u32)];
} ip6_forward_next_trace_t;
static u8 * format_ip6_forward_next_trace (u8 * s, va_list * args)
t0->flow_hash = vnet_buffer (b0)->ip.flow_hash;
t0->fib_index = vec_elt (im->fib_index_by_sw_if_index,
vnet_buffer(b0)->sw_if_index[VLIB_RX]);
- memcpy (t0->packet_data,
+ clib_memcpy (t0->packet_data,
vlib_buffer_get_current (b0),
sizeof (t0->packet_data));
}
t1->flow_hash = vnet_buffer (b1)->ip.flow_hash;
t1->fib_index = vec_elt (im->fib_index_by_sw_if_index,
vnet_buffer(b1)->sw_if_index[VLIB_RX]);
- memcpy (t1->packet_data,
+ clib_memcpy (t1->packet_data,
vlib_buffer_get_current (b1),
sizeof (t1->packet_data));
}
t0->flow_hash = vnet_buffer (b0)->ip.flow_hash;
t0->fib_index = vec_elt (im->fib_index_by_sw_if_index,
vnet_buffer(b0)->sw_if_index[VLIB_RX]);
- memcpy (t0->packet_data,
+ clib_memcpy (t0->packet_data,
vlib_buffer_get_current (b0),
sizeof (t0->packet_data));
}
n_bytes_left = n_this_buffer = payload_length_host_byte_order;
#if DPDK > 0
- if (p0)
+ if (p0 && n_this_buffer + headers_size > p0->current_length)
{
struct rte_mbuf *mb = rte_mbuf_from_vlib_buffer(p0);
u8 nb_segs = mb->nb_segs;
typedef enum {
IP6_DISCOVER_NEIGHBOR_NEXT_DROP,
+ IP6_DISCOVER_NEIGHBOR_NEXT_REPLY_TX,
IP6_DISCOVER_NEIGHBOR_N_NEXT,
} ip6_discover_neighbor_next_t;
adj0 = ip_get_adjacency (lm, adj_index0);
+ if (adj0->arp.next_hop.ip6.as_u64[0] ||
+ adj0->arp.next_hop.ip6.as_u64[1]) {
+ ip0->dst_address.as_u64[0] = adj0->arp.next_hop.ip6.as_u64[0];
+ ip0->dst_address.as_u64[1] = adj0->arp.next_hop.ip6.as_u64[1];
+ }
+
a0 = hash_seeds[0];
b0 = hash_seeds[1];
c0 = hash_seeds[2];
h0->neighbor.target_address = ip0->dst_address;
- memcpy (h0->link_layer_option.ethernet_address,
+ clib_memcpy (h0->link_layer_option.ethernet_address,
hw_if0->hw_address, vec_len (hw_if0->hw_address));
/* $$$$ appears we need this; why is the checksum non-zero? */
sizeof (ethernet_header_t));
vlib_buffer_advance (b0, -adj0->rewrite_header.data_bytes);
- /* $$$$ hack in case next0 == 0 */
- b0->error = node->errors[IP6_DISCOVER_NEIGHBOR_ERROR_DROP];
- next0 =
- vec_elt (im->discover_neighbor_next_index_by_hw_if_index,
- hw_if0->hw_if_index);
+ next0 = IP6_DISCOVER_NEIGHBOR_NEXT_REPLY_TX;
vlib_set_next_frame_buffer (vm, node, next0, bi0);
}
.n_next_nodes = IP6_DISCOVER_NEIGHBOR_N_NEXT,
.next_nodes = {
[IP6_DISCOVER_NEIGHBOR_NEXT_DROP] = "error-drop",
+ [IP6_DISCOVER_NEIGHBOR_NEXT_REPLY_TX] = "interface-output",
},
};
-clib_error_t *
-ip6_discover_neighbor_hw_interface_link_up_down (vnet_main_t * vnm,
- u32 hw_if_index,
- u32 flags)
-{
- vlib_main_t * vm = vnm->vlib_main;
- ip6_main_t * im = &ip6_main;
- vnet_hw_interface_t * hw_if;
-
- hw_if = vnet_get_hw_interface (vnm, hw_if_index);
-
- vec_validate_init_empty
- (im->discover_neighbor_next_index_by_hw_if_index, hw_if_index, 0);
- im->discover_neighbor_next_index_by_hw_if_index[hw_if_index]
- = vlib_node_add_next (vm, ip6_discover_neighbor_node.index,
- hw_if->output_node_index);
- return 0;
-}
-
-VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION
-(ip6_discover_neighbor_hw_interface_link_up_down);
-
clib_error_t *
ip6_probe_neighbor (vlib_main_t * vm, ip6_address_t * dst, u32 sw_if_index)
{
h->ip.src_address = src[0];
h->neighbor.target_address = dst[0];
- memcpy (h->link_layer_option.ethernet_address, hi->hw_address, vec_len (hi->hw_address));
+ clib_memcpy (h->link_layer_option.ethernet_address, hi->hw_address, vec_len (hi->hw_address));
h->neighbor.icmp.checksum =
ip6_tcp_udp_icmp_compute_checksum (vm, 0, &h->ip, &bogus_length);