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authorAlberto Compagno <acompagn+fdio@cisco.com>2020-04-17 18:51:54 +0200
committerAlberto Compagno <acompagn+fdio@cisco.com>2020-05-04 11:28:25 +0200
commit0c7f490009e8633e015b5cba48b78cc243254953 (patch)
treeda438bc9336501766f024f5146300d2675baa7cb /hicn-plugin/src/faces
parent2fba74798833331fe6312e8a764688a23918c14a (diff)
[HICN-592] Updating the vrf 0 (default fib) when a mapme event occurs
Updates on the vrf 0 will be reflected on the hicn vrf thanks to the fib entry tracking. Change-Id: I4afd6256593f27172c4b0a613316fb8428fa8e50 Signed-off-by: Alberto Compagno <acompagn+fdio@cisco.com>
Diffstat (limited to 'hicn-plugin/src/faces')
-rw-r--r--hicn-plugin/src/faces/face.c190
-rw-r--r--hicn-plugin/src/faces/face.h7
-rw-r--r--hicn-plugin/src/faces/face_node.c12
-rw-r--r--hicn-plugin/src/faces/iface_node.c12
4 files changed, 133 insertions, 88 deletions
diff --git a/hicn-plugin/src/faces/face.c b/hicn-plugin/src/faces/face.c
index f8ea61819..652a4a8e2 100644
--- a/hicn-plugin/src/faces/face.c
+++ b/hicn-plugin/src/faces/face.c
@@ -12,13 +12,14 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+#include <vnet/fib/fib_entry_track.h>
#include "face.h"
#include "../hicn.h"
#include "../params.h"
#include "../error.h"
-/* #include "../mapme.h" */
-/* #include "../mapme_eventmgr.h" */
+#include "../mapme.h"
+#include "../mapme_eventmgr.h"
dpo_id_t *face_dpo_vec;
hicn_face_vft_t *face_vft_vec;
@@ -32,6 +33,8 @@ vlib_combined_counter_main_t *counters;
dpo_type_t hicn_face_type;
+fib_node_type_t hicn_face_fib_node_type;
+
const char *HICN_FACE_CTRX_STRING[] = {
#define _(a,b,c) c,
foreach_hicn_face_counter
@@ -55,25 +58,6 @@ face_show (u8 * s, int face_id, u32 indent)
}
-/* void */
-/* register_face_type (hicn_face_type_t face_type, hicn_face_vft_t * vft, */
-/* char *name) */
-/* { */
-/* if (first_type == DPO_FIRST) */
-/* first_type = face_type; */
-
-/* int idx = face_type - first_type; */
-/* ASSERT (idx >= 0); */
-/* vec_validate (face_vft_vec, idx); */
-/* vec_validate (face_type_names_vec, idx); */
-
-/* /\* Copy the null char as well *\/ */
-/* char *name_str = (char *) malloc ((strlen (name) + 1) * sizeof (char)); */
-/* strcpy (name_str, name); */
-/* face_vft_vec[idx] = *vft; */
-/* face_type_names_vec[idx] = name_str; */
-/* } */
-
mhash_t hicn_face_vec_hashtb;
mhash_t hicn_face_hashtb;
@@ -94,19 +78,85 @@ const static char *const hicn_face4_nodes[] =
};
-const static char *const *const hicn_ip_nodes[DPO_PROTO_NUM] =
+const static char *const *const hicn_face_nodes[DPO_PROTO_NUM] =
{
[DPO_PROTO_IP4] = hicn_face4_nodes,
[DPO_PROTO_IP6] = hicn_face6_nodes
};
-const static dpo_vft_t hicn_face_ip_vft =
+const static dpo_vft_t hicn_face_dpo_vft =
{
.dv_lock = hicn_face_lock,
.dv_unlock = hicn_face_unlock,
.dv_format = format_hicn_face,
};
+static fib_node_t *
+hicn_face_node_get (fib_node_index_t index)
+{
+ hicn_face_t * face;
+
+ face = hicn_dpoi_get_from_idx(index);
+
+ return (&face->fib_node);
+}
+
+static void
+hicn_face_last_lock_gone (fib_node_t *node)
+{
+}
+
+static hicn_face_t *
+hicn_face_from_fib_node (fib_node_t * node)
+{
+ return ((hicn_face_t *) (((char *) node) -
+ STRUCT_OFFSET_OF (hicn_face_t, fib_node)));
+}
+
+static fib_node_back_walk_rc_t
+hicn_face_back_walk_notify (fib_node_t *node,
+ fib_node_back_walk_ctx_t *ctx)
+{
+
+ hicn_face_t *face = hicn_face_from_fib_node (node);
+
+ const dpo_id_t * dpo_loadbalance = fib_entry_contribute_ip_forwarding (face->fib_entry_index);
+ const load_balance_t *lb0 = load_balance_get(dpo_loadbalance->dpoi_index);
+
+ const dpo_id_t *dpo = load_balance_get_bucket_i(lb0,0);
+
+ dpo_stack(hicn_face_type, face->dpo.dpoi_proto, &face->dpo, dpo);
+ /* if (dpo_is_adj(dpo)) */
+ /* { */
+ /* ip_adjacency_t * adj = adj_get (dpo->dpoi_index); */
+
+ /* if (dpo->dpoi_type == DPO_ADJACENCY_MIDCHAIN || */
+ /* dpo->dpoi_type == DPO_ADJACENCY_MCAST_MIDCHAIN) */
+ /* { */
+ /* adj_nbr_midchain_stack(dpo->dpoi_index, &face->dpo); */
+ /* } */
+ /* else */
+ /* { */
+ /* dpo_stack(hicn_face_type, face->dpo.dpoi_proto, &face->dpo, dpo); */
+ /* } */
+ /* } */
+
+ return (FIB_NODE_BACK_WALK_CONTINUE);
+}
+
+static void
+hicn_face_show_memory (void)
+{
+}
+
+
+static const fib_node_vft_t hicn_face_fib_node_vft =
+ {
+ .fnv_get = hicn_face_node_get,
+ .fnv_last_lock = hicn_face_last_lock_gone,
+ .fnv_back_walk = hicn_face_back_walk_notify,
+ .fnv_mem_show = hicn_face_show_memory,
+ };
// Make this more flexible for future types face
void
@@ -132,7 +182,13 @@ hicn_face_module_init (vlib_main_t * vm)
* So far it seems that we need it only for setting the dpo_type.
*/
hicn_face_type =
- dpo_register_new_type (&hicn_face_ip_vft, hicn_ip_nodes);
+ dpo_register_new_type (&hicn_face_dpo_vft, hicn_face_nodes);
+
+ /*
+ * We register a new node type to get informed when the adjacency corresponding
+ * to a face is updated
+ */
+ hicn_face_fib_node_type = fib_node_register_new_type(&hicn_face_fib_node_vft);
}
u8 *
@@ -206,19 +262,6 @@ format_hicn_face_all (u8 * s, int n, ...)
return s;
}
-/* hicn_face_vft_t * */
-/* hicn_face_get_vft (hicn_face_type_t face_type) */
-/* { */
-/* int idx = face_type - first_type; */
-/* if (idx >= 0) */
-/* return &face_vft_vec[idx]; */
-/* else */
-/* return NULL; */
-
-/* } */
-
-/* FACE IP CODE */
-
int
hicn_face_del (hicn_face_id_t face_id)
{
@@ -285,6 +328,32 @@ hicn_iface_to_face(hicn_face_t *face, const dpo_id_t * dpo)
face->flags &= ~HICN_FACE_FLAGS_IFACE;
face->flags |= HICN_FACE_FLAGS_FACE;
+
+ if (dpo_is_adj(dpo))
+ {
+ fib_node_init (&face->fib_node, hicn_face_fib_node_type);
+ fib_node_lock (&face->fib_node);
+
+ if (dpo->dpoi_type != DPO_ADJACENCY_MIDCHAIN ||
+ dpo->dpoi_type != DPO_ADJACENCY_MCAST_MIDCHAIN)
+ {
+ ip_adjacency_t * adj = adj_get (dpo->dpoi_index);
+ ip46_address_t * nh = &(adj->sub_type.nbr.next_hop);
+ fib_prefix_t prefix;
+
+ fib_prefix_from_ip46_addr(nh, &prefix);
+
+ u32 fib_index = fib_table_find(prefix.fp_proto, HICN_FIB_TABLE);
+
+ face->fib_entry_index = fib_entry_track (fib_index,
+ &prefix,
+ hicn_face_fib_node_type,
+ hicn_dpoi_get_index(face), &face->fib_sibling);
+ }
+ }
+
+
+ //adj_child_add(face->dpo.dpoi_index, hicn_face_fib_node_type, hicn_dpoi_get_index(face));
}
/*
@@ -295,7 +364,6 @@ int
hicn_face_add (const dpo_id_t * dpo_nh, ip46_address_t * nat_address,
int sw_if, hicn_face_id_t * pfaceid, u8 is_app_prod)
{
- // dpo_proto_t dpo_proto;
hicn_face_flags_t flags = (hicn_face_flags_t) 0;
flags |= HICN_FACE_FLAGS_FACE;
@@ -335,7 +403,7 @@ hicn_face_add (const dpo_id_t * dpo_nh, ip46_address_t * nat_address,
}
else
{
- /* *We found an iface and we convert it to a face */
+ /* We found an iface and we convert it to a face */
*pfaceid = hicn_dpoi_get_index (face);
mhash_set_mem (&hicn_face_hashtb, &key, (uword *) pfaceid,
0);
@@ -357,9 +425,6 @@ hicn_face_add (const dpo_id_t * dpo_nh, ip46_address_t * nat_address,
in_faces_temp.vec_id = index;
vec_add1 (*vec, *pfaceid);
-
- // dpo_proto = DPO_PROTO_IP4;
-
in_faces_temp.face_id = *pfaceid;
hicn_face_get_key (nat_address, 0, &temp_dpo, &key);
@@ -380,8 +445,6 @@ hicn_face_add (const dpo_id_t * dpo_nh, ip46_address_t * nat_address,
hicn_iface_to_face(face, dpo_nh);
- // dpo_proto = DPO_PROTO_IP4;
-
hicn_face_get_key (nat_address, 0, &temp_dpo, &key);
mhash_set_mem (&hicn_face_vec_hashtb, &key, (uword *) in_faces,
@@ -395,41 +458,20 @@ hicn_face_add (const dpo_id_t * dpo_nh, ip46_address_t * nat_address,
}
}
- /* retx_t *retx = vlib_process_signal_event_data (vlib_get_main (), */
- /* hicn_mapme_eventmgr_process_node.index, */
- /* HICN_MAPME_EVENT_FACE_ADD, 1, */
- /* sizeof (retx_t)); */
+ retx_t *retx = vlib_process_signal_event_data (vlib_get_main (),
+ hicn_mapme_eventmgr_process_node.index,
+ HICN_MAPME_EVENT_FACE_ADD, 1,
+ sizeof (retx_t));
- /* /\* *INDENT-OFF* *\/ */
- /* *retx = (retx_t) */
- /* { */
- /* .prefix = 0, */
- /* .dpo = (dpo_id_t) */
- /* { */
- /* .dpoi_type = 0, */
- /* .dpoi_proto = dpo_proto, */
- /* .dpoi_next_node = 0, */
- /* .dpoi_index = *pfaceid, */
- /* } */
- /* }; */
- /* /\* *INDENT-ON* *\/ */
+ /* *INDENT-OFF* */
+ *retx = (retx_t) {
+ .face_id = *pfaceid,
+ };
+ /* *INDENT-ON* */
return HICN_ERROR_NONE;
}
-/* void */
-/* hicn_face_get_dpo (hicn_face_t * face, dpo_id_t * dpo) */
-/* { */
-
-/* hicn_face_ip_t *face_ip = (hicn_face_ip_t *) face->data; */
-/* return hicn_dpo_ip_create_from_face (face, dpo, */
-/* ip46_address_is_ip4 */
-/* (&face_ip->remote_addr) ? */
-/* strategy_face_ip4_vlib_edge : */
-/* strategy_face_ip6_vlib_edge); */
-/* } */
-
-
/*
* fd.io coding-style-patch-verification: ON
diff --git a/hicn-plugin/src/faces/face.h b/hicn-plugin/src/faces/face.h
index 665492a84..54f2eab31 100644
--- a/hicn-plugin/src/faces/face.h
+++ b/hicn-plugin/src/faces/face.h
@@ -16,6 +16,7 @@
#ifndef __HICN_FACE_H__
#define __HICN_FACE_H__
+#include <vnet/fib/fib_node.h>
#include <vnet/vnet.h>
#include <vlib/vlib.h>
#include <vnet/ip/ip46_address.h>
@@ -74,9 +75,11 @@ typedef struct __attribute__ ((packed)) hicn_face_s
/* local interface for the local ip address */
u32 sw_if;
- /* To align a face to 8 bytes */
- u32 padding;
+ fib_node_t fib_node;
+ fib_node_index_t fib_entry_index;
+
+ u32 fib_sibling;
} hicn_face_t;
/* Pool of faces */
diff --git a/hicn-plugin/src/faces/face_node.c b/hicn-plugin/src/faces/face_node.c
index b146e3a6f..a52967dae 100644
--- a/hicn-plugin/src/faces/face_node.c
+++ b/hicn-plugin/src/faces/face_node.c
@@ -64,7 +64,7 @@ hicn4_face_input_trace_t;
typedef enum
{
HICN4_FACE_INPUT_NEXT_DATA,
- //HICN4_FACE_INPUT_NEXT_MAPME,
+ HICN4_FACE_INPUT_NEXT_MAPME,
HICN4_FACE_INPUT_NEXT_ERROR_DROP,
HICN4_FACE_INPUT_N_NEXT,
} hicn4_face_input_next_t;
@@ -82,13 +82,13 @@ hicn6_face_input_trace_t;
typedef enum
{
HICN6_FACE_INPUT_NEXT_DATA,
- //HICN6_FACE_INPUT_NEXT_MAPME,
+ HICN6_FACE_INPUT_NEXT_MAPME,
HICN6_FACE_INPUT_NEXT_ERROR_DROP,
HICN6_FACE_INPUT_N_NEXT,
} hicn6_face_input_next_t;
-#define NEXT_MAPME_IP4 HICN4_FACE_INPUT_NEXT_ERROR_DROP//HICN4_FACE_INPUT_NEXT_MAPME
-#define NEXT_MAPME_IP6 HICN6_FACE_INPUT_NEXT_ERROR_DROP//HICN6_FACE_INPUT_NEXT_MAPME
+#define NEXT_MAPME_IP4 HICN4_FACE_INPUT_NEXT_MAPME
+#define NEXT_MAPME_IP6 HICN6_FACE_INPUT_NEXT_MAPME
#define NEXT_DATA_IP4 HICN4_FACE_INPUT_NEXT_DATA
#define NEXT_DATA_IP6 HICN6_FACE_INPUT_NEXT_DATA
@@ -374,7 +374,7 @@ VLIB_REGISTER_NODE(hicn4_face_input_node) =
.next_nodes =
{
[HICN4_FACE_INPUT_NEXT_DATA] = "hicn-data-pcslookup",
- //[HICN4_FACE_INPUT_NEXT_MAPME] = "hicn-mapme-ack",
+ [HICN4_FACE_INPUT_NEXT_MAPME] = "hicn-mapme-ack",
[HICN4_FACE_INPUT_NEXT_ERROR_DROP] = "error-drop",
},
};
@@ -454,7 +454,7 @@ VLIB_REGISTER_NODE(hicn6_face_input_node) =
.next_nodes =
{
[HICN6_FACE_INPUT_NEXT_DATA] = "hicn-data-pcslookup",
- //[HICN6_FACE_INPUT_NEXT_MAPME] = "hicn-mapme-ack",
+ [HICN6_FACE_INPUT_NEXT_MAPME] = "hicn-mapme-ack",
[HICN6_FACE_INPUT_NEXT_ERROR_DROP] = "error-drop",
},
};
diff --git a/hicn-plugin/src/faces/iface_node.c b/hicn-plugin/src/faces/iface_node.c
index b952787a4..fbc573088 100644
--- a/hicn-plugin/src/faces/iface_node.c
+++ b/hicn-plugin/src/faces/iface_node.c
@@ -58,7 +58,7 @@ typedef struct
typedef enum
{
HICN4_IFACE_INPUT_NEXT_INTEREST,
- //HICN4_IFACE_INPUT_NEXT_MAPME,
+ HICN4_IFACE_INPUT_NEXT_MAPME,
HICN4_IFACE_INPUT_NEXT_ERROR_DROP,
HICN4_IFACE_INPUT_N_NEXT,
} hicn4_iface_input_next_t;
@@ -75,13 +75,13 @@ typedef struct
typedef enum
{
HICN6_IFACE_INPUT_NEXT_INTEREST,
- //HICN6_IFACE_INPUT_NEXT_MAPME,
+ HICN6_IFACE_INPUT_NEXT_MAPME,
HICN6_IFACE_INPUT_NEXT_ERROR_DROP,
HICN6_IFACE_INPUT_N_NEXT,
} hicn6_iface_input_next_t;
-#define NEXT_MAPME_IP4 HICN4_IFACE_INPUT_NEXT_ERROR_DROP//HICN4_IFACE_INPUT_NEXT_MAPME
-#define NEXT_MAPME_IP6 HICN6_IFACE_INPUT_NEXT_ERROR_DROP//HICN6_IFACE_INPUT_NEXT_MAPME
+#define NEXT_MAPME_IP4 HICN4_IFACE_INPUT_NEXT_MAPME
+#define NEXT_MAPME_IP6 HICN6_IFACE_INPUT_NEXT_MAPME
#define NEXT_INTEREST_IP4 HICN4_IFACE_INPUT_NEXT_INTEREST
#define NEXT_INTEREST_IP6 HICN6_IFACE_INPUT_NEXT_INTEREST
@@ -415,7 +415,7 @@ VLIB_REGISTER_NODE (hicn4_iface_input_node) =
.next_nodes =
{
[HICN4_IFACE_INPUT_NEXT_INTEREST] = "hicn-interest-pcslookup",
- //[HICN4_IFACE_INPUT_NEXT_MAPME] = "hicn-mapme-ctrl",
+ [HICN4_IFACE_INPUT_NEXT_MAPME] = "hicn-mapme-ctrl",
[HICN4_IFACE_INPUT_NEXT_ERROR_DROP] = "error-drop",
},
};
@@ -495,7 +495,7 @@ VLIB_REGISTER_NODE (hicn6_iface_input_node) =
.next_nodes =
{
[HICN6_IFACE_INPUT_NEXT_INTEREST] = "hicn-interest-pcslookup",
- //[HICN6_IFACE_INPUT_NEXT_MAPME] = "hicn-mapme-ctrl",
+ [HICN6_IFACE_INPUT_NEXT_MAPME] = "hicn-mapme-ctrl",
[HICN6_IFACE_INPUT_NEXT_ERROR_DROP] = "error-drop",
},
};