#include <vnet/lisp-cp/packets.h>
#include <vnet/lisp-cp/lisp_msg_serdes.h>
#include <vnet/lisp-gpe/lisp_gpe.h>
+#include <vnet/fib/fib_entry.h>
+#include <vnet/fib/fib_table.h>
typedef struct
{
return 1;
}
-static u32
-ip_fib_lookup_with_table (lisp_cp_main_t * lcm, u32 fib_index,
- ip_address_t * dst)
+/**
+ * convert from a LISP address to a FIB prefix
+ */
+void
+ip_address_to_fib_prefix (const ip_address_t * addr, fib_prefix_t * prefix)
{
- if (ip_addr_version (dst) == IP4)
- return ip4_fib_lookup_with_table (lcm->im4, fib_index, &ip_addr_v4 (dst),
- 0);
+ if (addr->version == IP4)
+ {
+ prefix->fp_len = 32;
+ prefix->fp_proto = FIB_PROTOCOL_IP4;
+ memset (&prefix->fp_addr.pad, 0, sizeof (prefix->fp_addr.pad));
+ memcpy (&prefix->fp_addr.ip4, &addr->ip, sizeof (prefix->fp_addr.ip4));
+ }
else
- return ip6_fib_lookup_with_table (lcm->im6, fib_index, &ip_addr_v6 (dst));
+ {
+ prefix->fp_len = 128;
+ prefix->fp_proto = FIB_PROTOCOL_IP6;
+ memcpy (&prefix->fp_addr.ip6, &addr->ip, sizeof (prefix->fp_addr.ip6));
+ }
}
-u32
-ip_fib_get_egress_iface_for_dst_with_lm (lisp_cp_main_t * lcm,
- ip_address_t * dst,
- ip_lookup_main_t * lm)
+/**
+ * convert from a LISP to a FIB prefix
+ */
+void
+ip_prefix_to_fib_prefix (const ip_prefix_t * ip_prefix,
+ fib_prefix_t * fib_prefix)
{
- u32 adj_index;
- ip_adjacency_t *adj;
-
- adj_index = ip_fib_lookup_with_table (lcm, 0, dst);
- adj = ip_get_adjacency (lm, adj_index);
-
- if (adj == 0)
- return ~0;
-
- /* we only want outgoing routes */
- if (adj->lookup_next_index != IP_LOOKUP_NEXT_ARP
- && adj->lookup_next_index != IP_LOOKUP_NEXT_REWRITE)
- return ~0;
-
- return adj->rewrite_header.sw_if_index;
+ ip_address_to_fib_prefix (&ip_prefix->addr, fib_prefix);
+ fib_prefix->fp_len = ip_prefix->len;
}
/**
u32
ip_fib_get_egress_iface_for_dst (lisp_cp_main_t * lcm, ip_address_t * dst)
{
- ip_lookup_main_t *lm;
+ fib_node_index_t fei;
+ fib_prefix_t prefix;
+
+ ip_address_to_fib_prefix (dst, &prefix);
- lm = ip_addr_version (dst) == IP4 ?
- &lcm->im4->lookup_main : &lcm->im6->lookup_main;
+ fei = fib_table_lookup (0, &prefix);
- return ip_fib_get_egress_iface_for_dst_with_lm (lcm, dst, lm);
+ return (fib_entry_get_resolving_interface (fei));
}
/**
ipver = ip_addr_version (dst);
lm = (ipver == IP4) ? &lcm->im4->lookup_main : &lcm->im6->lookup_main;
- si = ip_fib_get_egress_iface_for_dst_with_lm (lcm, dst, lm);
+ si = ip_fib_get_egress_iface_for_dst (lcm, dst);
if ((u32) ~ 0 == si)
return 0;
u8 version)
{
uword *vnip;
- u32 vni = ~0, table_id = ~0, fib_index;
+ u32 vni = ~0, table_id = ~0;
- if (version == IP4)
- {
- ip4_fib_t *fib;
- ip4_main_t *im4 = &ip4_main;
- fib_index = vec_elt (im4->fib_index_by_sw_if_index,
- vnet_buffer (b)->sw_if_index[VLIB_RX]);
- fib = find_ip4_fib_by_table_index_or_id (im4, fib_index,
- IP4_ROUTE_FLAG_FIB_INDEX);
- table_id = fib->table_id;
- }
- else
- {
- ip6_fib_t *fib;
- ip6_main_t *im6 = &ip6_main;
- fib_index = vec_elt (im6->fib_index_by_sw_if_index,
- vnet_buffer (b)->sw_if_index[VLIB_RX]);
- fib = find_ip6_fib_by_table_index_or_id (im6, fib_index,
- IP6_ROUTE_FLAG_FIB_INDEX);
- table_id = fib->table_id;
- }
+ table_id =
+ fib_table_get_table_id_for_sw_if_index (vnet_buffer (b)->sw_if_index
+ [VLIB_RX],
+ (version ==
+ IP4 ? FIB_PROTOCOL_IP4 :
+ FIB_PROTOCOL_IP6));
vnip = hash_get (lcm->vni_by_table_id, table_id);
if (vnip)
}
static uword
-lisp_cp_lookup (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+lisp_cp_lookup_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, int overlay)
{
u32 *from, *to_next_drop, di, si;
lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
b0 = vlib_get_buffer (vm, pi0);
b0->error = node->errors[LISP_CP_LOOKUP_ERROR_DROP];
+ vnet_buffer (b0)->lisp.overlay_afi = overlay;
/* src/dst eid pair */
get_src_and_dst_eids_from_buffer (lcm, b0, &src, &dst);
return from_frame->n_vectors;
}
+static uword
+lisp_cp_lookup_ip4 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_IP));
+}
+
+static uword
+lisp_cp_lookup_ip6 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return (lisp_cp_lookup_inline (vm, node, from_frame, LISP_AFI_IP6));
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (lisp_cp_lookup_ip4_node) = {
+ .function = lisp_cp_lookup_ip4,
+ .name = "lisp-cp-lookup-ip4",
+ .vector_size = sizeof (u32),
+ .format_trace = format_lisp_cp_lookup_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = LISP_CP_LOOKUP_N_ERROR,
+ .error_strings = lisp_cp_lookup_error_strings,
+
+ .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
+
+ .next_nodes = {
+ [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
+ [LISP_CP_LOOKUP_NEXT_IP4_LOOKUP] = "ip4-lookup",
+ [LISP_CP_LOOKUP_NEXT_IP6_LOOKUP] = "ip6-lookup",
+ },
+};
+/* *INDENT-ON* */
+
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (lisp_cp_lookup_node) = {
- .function = lisp_cp_lookup,
- .name = "lisp-cp-lookup",
+VLIB_REGISTER_NODE (lisp_cp_lookup_ip6_node) = {
+ .function = lisp_cp_lookup_ip6,
+ .name = "lisp-cp-lookup-ip6",
.vector_size = sizeof (u32),
.format_trace = format_lisp_cp_lookup_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
Code Review / vpp.git / blobdiff