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/*
*------------------------------------------------------------------
* 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 <stdint.h>
#include <net/if.h>
#include <sys/ioctl.h>
#include <inttypes.h>
#include <vlib/vlib.h>
#include <bpf_trace_filter/bpf_trace_filter.h>
static clib_error_t *
set_bpf_trace_filter_command_fn (vlib_main_t *vm, unformat_input_t *input,
vlib_cli_command_t *cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u8 *bpf_expr = 0;
u8 is_del = 0;
u8 optimize = 1;
clib_error_t *err = 0;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "del"))
is_del = 1;
else if (unformat (line_input, "no-optimize"))
optimize = 0;
else if (unformat (line_input, "%s", &bpf_expr))
;
else
{
err = clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
break;
}
}
unformat_free (line_input);
if (err != 0)
return err;
err = bpf_trace_filter_set_unset ((char *) bpf_expr, is_del, optimize);
return err;
}
VLIB_CLI_COMMAND (set_bpf_trace_filter, static) = {
.path = "set bpf trace filter",
.short_help = "set bpf trace filter [del] [no-optimize] {<pcap string>}",
.function = set_bpf_trace_filter_command_fn,
};
static clib_error_t *
show_bpf_trace_filter_command_fn (vlib_main_t *vm, unformat_input_t *input,
vlib_cli_command_t *cmd)
{
bpf_trace_filter_main_t *btm = &bpf_trace_filter_main;
if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
return (clib_error_return (0, "unknown input '%U'",
format_unformat_error, input));
}
vlib_cli_output (vm, "%U", format_bpf_trace_filter, btm);
return 0;
}
VLIB_CLI_COMMAND (show_bpf_trace_filter, static) = {
.path = "show bpf trace filter",
.short_help = "show bpf trace filter",
.function = show_bpf_trace_filter_command_fn,
};
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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