diff options
Diffstat (limited to 'src/plugins/bpf_trace_filter/cli.c')
-rw-r--r-- | src/plugins/bpf_trace_filter/cli.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/plugins/bpf_trace_filter/cli.c b/src/plugins/bpf_trace_filter/cli.c new file mode 100644 index 00000000000..906ca71d5f3 --- /dev/null +++ b/src/plugins/bpf_trace_filter/cli.c @@ -0,0 +1,68 @@ +/* + *------------------------------------------------------------------ + * 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> +#include <pcap.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; + 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, "%s", &bpf_expr)) + ; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + + err = bpf_trace_filter_set_unset ((char *) bpf_expr, is_del); + unformat_free (line_input); + + return err; +} + +VLIB_CLI_COMMAND (set_bpf_trace_filter, static) = { + .path = "set bpf trace filter", + .short_help = "set bpf trace filter {<pcap string>}", + .function = set_bpf_trace_filter_command_fn, +}; + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |