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authorMaxime Peim <mpeim@cisco.com>2023-07-11 09:45:56 +0200
committerBeno�t Ganne <bganne@cisco.com>2023-09-04 07:57:44 +0000
commit77812045e720d1434dd36a1db90c35daad0c8e00 (patch)
tree4588ff65542af1edec3474010c5a8120efb04705 /src/plugins/tracenode/tracenode.c
parent2ceb818f8eca4b8aebd0a4f2b36a641c832d8819 (diff)
tracenode: filtering feature
In order to be able to filter on encapsulated packet, a new node has been added to the ip4/6-unicast arcs. Type: feature Change-Id: I1e8ee05bc6d0fce20cadd8319c81bab260c17d21 Signed-off-by: Maxime Peim <mpeim@cisco.com>
Diffstat (limited to 'src/plugins/tracenode/tracenode.c')
-rw-r--r--src/plugins/tracenode/tracenode.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/plugins/tracenode/tracenode.c b/src/plugins/tracenode/tracenode.c
new file mode 100644
index 00000000000..e292c7da95c
--- /dev/null
+++ b/src/plugins/tracenode/tracenode.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2023 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.
+ */
+#include <vlib/vlib.h>
+#include <tracenode/tracenode.h>
+
+tracenode_main_t tracenode_main;
+
+int
+tracenode_feature_enable_disable (u32 sw_if_index, bool is_pcap, bool enable)
+{
+ tracenode_main_t *tnm = &tracenode_main;
+ char *node_name = is_pcap ? "pcap-filtering" : "trace-filtering";
+ int rv = 0;
+
+ if (pool_is_free_index (tnm->vnet_main->interface_main.sw_interfaces,
+ sw_if_index))
+ return VNET_API_ERROR_INVALID_SW_IF_INDEX;
+
+ if (clib_bitmap_get (tnm->feature_enabled_by_sw_if, sw_if_index) == enable)
+ return 0;
+
+ if ((rv = vnet_feature_enable_disable ("ip4-unicast", node_name, sw_if_index,
+ enable, 0, 0)) != 0)
+ return rv;
+
+ if ((rv = vnet_feature_enable_disable ("ip6-unicast", node_name, sw_if_index,
+ enable, 0, 0)) != 0)
+ return rv;
+
+ tnm->feature_enabled_by_sw_if =
+ clib_bitmap_set (tnm->feature_enabled_by_sw_if, sw_if_index, enable);
+
+ return 0;
+}
+
+static clib_error_t *
+tracenode_init (vlib_main_t *vm)
+{
+ tracenode_main_t *tnm = &tracenode_main;
+ clib_error_t *error = 0;
+
+ memset (tnm, 0, sizeof (*tnm));
+
+ tnm->vnet_main = vnet_get_main ();
+
+ error = tracenode_plugin_api_hookup (vm);
+
+ return error;
+}
+
+VLIB_INIT_FUNCTION (tracenode_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */