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authorNeale Ranns <nranns@cisco.com>2019-12-04 06:11:00 +0000
committerNeale Ranns <neale@graphiant.com>2021-03-16 12:12:23 +0000
commit976b259be2ce9725f1d6756c14ff81069634a396 (patch)
treef4117b32e9230e5c313474a158dbfa847943b99d /src/vnet/fib
parent400ce717ac043ceec404103dbaa87dd17d92feb7 (diff)
fib: Allow the creation of new source on the API
Type: feature an client can dump the existing sources, examine their priorities, then define thier own source. Usefull if a client wants to distingusih between say, static, ospf, bgp, etc routes it has added over the API. Signed-off-by: Neale Ranns <nranns@cisco.com> Signed-off-by: Alexander Chernavin <achernavin@netgate.com> Change-Id: I5158b4fa1ebe87381ff8707bb173217f56ea274a
Diffstat (limited to 'src/vnet/fib')
-rw-r--r--src/vnet/fib/fib.api52
-rw-r--r--src/vnet/fib/fib_api.c119
-rw-r--r--src/vnet/fib/fib_api.h1
-rw-r--r--src/vnet/fib/fib_table.c36
-rw-r--r--src/vnet/fib/fib_table.h11
-rw-r--r--src/vnet/fib/fib_types.api2
6 files changed, 201 insertions, 20 deletions
diff --git a/src/vnet/fib/fib.api b/src/vnet/fib/fib.api
new file mode 100644
index 00000000000..ad83b7402f8
--- /dev/null
+++ b/src/vnet/fib/fib.api
@@ -0,0 +1,52 @@
+/* Hey Emacs use -*- mode: C -*- */
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+option version = "1.0.0";
+
+import "vnet/fib/fib_types.api";
+
+typedef fib_source
+{
+ u8 priority;
+ u8 id;
+ string name[64];
+};
+
+define fib_source_add
+{
+ u32 client_index;
+ u32 context;
+ vl_api_fib_source_t src;
+};
+
+define fib_source_add_reply
+{
+ u32 context;
+ i32 retval;
+ u8 id;
+};
+
+define fib_source_dump
+{
+ u32 client_index;
+ u32 context;
+};
+
+define fib_source_details
+{
+ u32 context;
+ vl_api_fib_source_t src;
+};
diff --git a/src/vnet/fib/fib_api.c b/src/vnet/fib/fib_api.c
index d626ae24502..0254c551411 100644
--- a/src/vnet/fib/fib_api.c
+++ b/src/vnet/fib/fib_api.c
@@ -22,23 +22,13 @@
#include <vnet/bier/bier_disp_table.h>
#include <vpp/api/types.h>
#include <vnet/classify/vnet_classify.h>
+#include <vnet/ip/ip_format_fns.h>
-#include <vnet/vnet_msg_enum.h>
-
-#define vl_typedefs /* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_typedefs
-
-#define vl_endianfun /* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <vnet/vnet_all_api_h.h>
-#undef vl_printfun
+#include <vnet/fib/fib.api_enum.h>
+#include <vnet/fib/fib.api_types.h>
+static u16 fib_base_msg_id;
+#define REPLY_MSG_ID_BASE fib_base_msg_id
#include <vlibapi/api_helper_macros.h>
int
@@ -461,6 +451,7 @@ fib_api_route_add_del (u8 is_add,
u8 is_multipath,
u32 fib_index,
const fib_prefix_t * prefix,
+ fib_source_t src,
fib_entry_flag_t entry_flags,
fib_route_path_t *rpaths)
{
@@ -473,13 +464,13 @@ fib_api_route_add_del (u8 is_add,
if (is_add)
fib_table_entry_path_add2 (fib_index,
prefix,
- FIB_SOURCE_API,
+ src,
entry_flags,
rpaths);
else
fib_table_entry_path_remove2 (fib_index,
prefix,
- FIB_SOURCE_API,
+ src,
rpaths);
}
else
@@ -492,7 +483,7 @@ fib_api_route_add_del (u8 is_add,
/* path replacement */
fib_table_entry_update (fib_index,
prefix,
- FIB_SOURCE_API,
+ src,
entry_flags,
rpaths);
}
@@ -500,7 +491,7 @@ fib_api_route_add_del (u8 is_add,
/* entry delete */
fib_table_entry_delete (fib_index,
prefix,
- FIB_SOURCE_API);
+ src);
}
return (0);
@@ -569,3 +560,93 @@ fib_proto_to_api_address_family (fib_protocol_t fproto)
ASSERT(0);
return (ADDRESS_IP4);
}
+
+void
+vl_api_fib_source_add_t_handler (vl_api_fib_source_add_t * mp)
+{
+ vl_api_fib_source_add_reply_t *rmp;
+ fib_source_t src;
+ int rv = 0;
+ u8 *name;
+
+ name = format (0, "%s", mp->src.name);
+ vec_add1 (name, 0);
+
+ src = fib_source_allocate((const char *)name,
+ mp->src.priority,
+ FIB_SOURCE_BH_API);
+
+ vec_free(name);
+
+ REPLY_MACRO2 (VL_API_FIB_SOURCE_ADD_REPLY,
+ ({
+ rmp->id = src;
+ }));
+}
+
+typedef struct fib_source_dump_ctx_t_
+{
+ vl_api_registration_t * reg;
+ u32 context;
+} fib_source_dump_ctx_t;
+
+static walk_rc_t
+send_fib_source (fib_source_t id,
+ const char *name,
+ fib_source_priority_t prio,
+ fib_source_behaviour_t bh,
+ void *data)
+{
+ vl_api_fib_source_details_t *mp;
+ fib_source_dump_ctx_t *ctx;
+
+ ctx = data;
+ mp = vl_msg_api_alloc_zero (sizeof (*mp));
+ if (!mp)
+ return WALK_STOP;
+
+ mp->_vl_msg_id = ntohs (VL_API_FIB_SOURCE_DETAILS + REPLY_MSG_ID_BASE);
+ mp->context = ctx->context;
+
+ mp->src.priority = prio;
+ mp->src.id = id;
+ clib_memcpy(mp->src.name, name,
+ clib_min(strlen(name), ARRAY_LEN(mp->src.name)));
+
+ vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+ return (WALK_CONTINUE);
+}
+
+void
+vl_api_fib_source_dump_t_handler (vl_api_fib_source_dump_t * mp)
+{
+ vl_api_registration_t *reg;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ fib_source_dump_ctx_t ctx = {
+ .reg = reg,
+ .context = mp->context,
+ };
+
+ fib_source_walk(send_fib_source, &ctx);
+}
+
+
+#include <vnet/fib/fib.api.c>
+
+static clib_error_t *
+fib_api_hookup (vlib_main_t * vm)
+{
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ fib_base_msg_id = setup_message_id_table ();
+
+ return (NULL);
+}
+
+VLIB_API_INIT_FUNCTION (fib_api_hookup);
diff --git a/src/vnet/fib/fib_api.h b/src/vnet/fib/fib_api.h
index caa993b78d0..7fd7d16cb33 100644
--- a/src/vnet/fib/fib_api.h
+++ b/src/vnet/fib/fib_api.h
@@ -45,6 +45,7 @@ extern int fib_api_route_add_del (u8 is_add,
u8 is_multipath,
u32 fib_index,
const fib_prefix_t * prefix,
+ fib_source_t src,
fib_entry_flag_t entry_flags,
fib_route_path_t *rpaths);
diff --git a/src/vnet/fib/fib_table.c b/src/vnet/fib/fib_table.c
index e71e6c36bfb..eaeee5bb921 100644
--- a/src/vnet/fib/fib_table.c
+++ b/src/vnet/fib/fib_table.c
@@ -1255,6 +1255,42 @@ fib_table_walk (u32 fib_index,
}
}
+typedef struct fib_table_walk_w_src_ctx_t_
+{
+ fib_table_walk_fn_t fn;
+ void *data;
+ fib_source_t src;
+} fib_table_walk_w_src_cxt_t;
+
+static fib_table_walk_rc_t
+fib_table_walk_w_src_cb (fib_node_index_t fei,
+ void *arg)
+{
+ fib_table_walk_w_src_cxt_t *ctx = arg;
+
+ if (ctx->src == fib_entry_get_best_source(fei))
+ {
+ return (ctx->fn(fei, ctx->data));
+ }
+ return (FIB_TABLE_WALK_CONTINUE);
+}
+
+void
+fib_table_walk_w_src (u32 fib_index,
+ fib_protocol_t proto,
+ fib_source_t src,
+ fib_table_walk_fn_t fn,
+ void *data)
+{
+ fib_table_walk_w_src_cxt_t ctx = {
+ .fn = fn,
+ .src = src,
+ .data = data,
+ };
+
+ fib_table_walk(fib_index, proto, fib_table_walk_w_src_cb, &ctx);
+}
+
void
fib_table_sub_tree_walk (u32 fib_index,
fib_protocol_t proto,
diff --git a/src/vnet/fib/fib_table.h b/src/vnet/fib/fib_table.h
index 201170707a8..11137e173cf 100644
--- a/src/vnet/fib/fib_table.h
+++ b/src/vnet/fib/fib_table.h
@@ -941,6 +941,17 @@ extern void fib_table_walk(u32 fib_index,
void *ctx);
/**
+ * @brief Walk all entries in a FIB table
+ * N.B: This is NOT safe to deletes. If you need to delete walk the whole
+ * table and store elements in a vector, then delete the elements
+ */
+extern void fib_table_walk_w_src(u32 fib_index,
+ fib_protocol_t proto,
+ fib_source_t src,
+ fib_table_walk_fn_t fn,
+ void *ctx);
+
+/**
* @brief Walk all entries in a sub-tree FIB table. The 'root' paraneter
* is the prefix at the root of the sub-tree.
* N.B: This is NOT safe to deletes. If you need to delete walk the whole
diff --git a/src/vnet/fib/fib_types.api b/src/vnet/fib/fib_types.api
index 4a5cea79064..c5fbcf8fc29 100644
--- a/src/vnet/fib/fib_types.api
+++ b/src/vnet/fib/fib_types.api
@@ -14,7 +14,7 @@
* limitations under the License.
*/
-option version = "2.0.0";
+option version = "2.0.1";
import "vnet/ip/ip_types.api";
/** \brief MPLS label