diff options
author | Mohammed Hawari <mohammed@hawari.fr> | 2023-06-09 16:50:56 +0200 |
---|---|---|
committer | Beno�t Ganne <bganne@cisco.com> | 2023-06-30 11:53:06 +0000 |
commit | ccd30709585939c3202c05af0dfda2aca670e8b7 (patch) | |
tree | 0224822cb25b32579dd73a5af98499b342e00575 /src/plugins/bpf_trace_filter/api.c | |
parent | 52fa5f21b911aaf1c50feb560dd3683b83625d2f (diff) |
bpf_trace_filter: plugin for BPF Trace Filtering
Change-Id: I342de0a375b783725aa2b621c1c70bc8bf646450
Signed-off-by: Mohammed Hawari <mohammed@hawari.fr>
Type: improvement
Diffstat (limited to 'src/plugins/bpf_trace_filter/api.c')
-rw-r--r-- | src/plugins/bpf_trace_filter/api.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/plugins/bpf_trace_filter/api.c b/src/plugins/bpf_trace_filter/api.c new file mode 100644 index 00000000000..9e15c61ef07 --- /dev/null +++ b/src/plugins/bpf_trace_filter/api.c @@ -0,0 +1,74 @@ +/* + *------------------------------------------------------------------ + * 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 <bpf_trace_filter/bpf_trace_filter.h> +#include <vlibapi/api.h> +#include <vlibmemory/api.h> + +/* define message IDs */ +#include <bpf_trace_filter/bpf_trace_filter.api_enum.h> +#include <bpf_trace_filter/bpf_trace_filter.api_types.h> + +#define REPLY_MSG_ID_BASE (bm->msg_id_base) +#include <vlibapi/api_helper_macros.h> + +static void +vl_api_bpf_trace_filter_set_t_handler (vl_api_bpf_trace_filter_set_t *mp) +{ + bpf_trace_filter_main_t *bm = &bpf_trace_filter_main; + vl_api_bpf_trace_filter_set_reply_t *rmp; + clib_error_t *err = 0; + int rv = 0; + u8 is_del; + char *bpf_expr; + is_del = !mp->is_add; + + bpf_expr = vl_api_from_api_to_new_c_string (&mp->filter); + err = bpf_trace_filter_set_unset (bpf_expr, is_del); + + if (err) + { + rv = -1; + clib_error_report (err); + } + vec_free (bpf_expr); + + REPLY_MACRO (VL_API_BPF_TRACE_FILTER_SET_REPLY); +} + +#include <bpf_trace_filter/bpf_trace_filter.api.c> + +static clib_error_t * +bpf_trace_filter_plugin_api_hookup (vlib_main_t *vm) +{ + bpf_trace_filter_main_t *bm = &bpf_trace_filter_main; + + /* ask for a correctly-sized block of API message decode slots */ + bm->msg_id_base = setup_message_id_table (); + return 0; +} + +VLIB_API_INIT_FUNCTION (bpf_trace_filter_plugin_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */
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