/* * Copyright (c) 2019 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 #include u8 *vlib_validate_buffers (vlib_main_t * vm, u32 * buffers, uword next_buffer_stride, uword n_buffers, vlib_buffer_known_state_t known_state, uword follow_buffer_next); static clib_error_t * test_vlib_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { u32 bi; u8 *res; u32 allocated; vlib_buffer_t *b; vlib_buffer_t *last_b; u8 junk[4] = { 1, 2, 3, 4 }; vlib_packet_template_t _t, *t = &_t; u8 *data_copy = 0; vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; /* Cover vlib_packet_template_get_packet */ t->packet_data = format (0, "silly packet data"); t->min_n_buffers_each_alloc = 1; t->name = (u8 *) "test template"; if (vlib_packet_template_get_packet (vm, t, &bi)) vlib_buffer_free_one (vm, bi); vec_free (t->packet_data); /* Get a buffer */ allocated = vlib_buffer_alloc (vm, &bi, 1); if (allocated != 1) return clib_error_return (0, "Buffer allocation failure!"); b = vlib_get_buffer (vm, bi); /* Force buffer allocation */ b->current_length = 2048; last_b = b; vlib_buffer_chain_append_data_with_alloc (vm, b, &last_b, junk, ARRAY_LEN (junk)); /* Cover vlib_buffer_length_in_chain_slow_path(...) */ b->flags &= ~(VLIB_BUFFER_TOTAL_LENGTH_VALID); vlib_cli_output (vm, "buffer length %d", vlib_buffer_length_in_chain (vm, b)); b->flags &= ~(VLIB_BUFFER_TOTAL_LENGTH_VALID); vlib_cli_output (vm, "%u", vlib_buffer_index_length_in_chain (vm, bi)); /* Add more data. Eat Mor Chikin. */ vlib_buffer_add_data (vm, &bi, junk, ARRAY_LEN (junk)); /* Dump the resulting two-chunk pkt */ vlib_cli_output (vm, "%U", format_vlib_buffer_and_data, b); vlib_cli_output (vm, "%U", format_vlib_buffer_data, b->data, 17); vec_validate (data_copy, vlib_buffer_length_in_chain (vm, b) - 1); vlib_cli_output (vm, "%u", vlib_buffer_contents (vm, bi, data_copy)); vec_free (data_copy); /* Cover simple functions in buffer.h / buffer_funcs.h */ vlib_cli_output (vm, "%llx", vlib_buffer_get_va (b)); vlib_cli_output (vm, "%llx", vlib_buffer_get_current_va (b)); vlib_cli_output (vm, "%d", vlib_buffer_has_space (b, 100ll)); vlib_buffer_reset (b); vlib_cli_output (vm, "%llx", vlib_buffer_get_tail (b)); vlib_buffer_put_uninit (b, 0); vlib_buffer_push_uninit (b, 0); vlib_buffer_make_headroom (b, 0); (void) vlib_buffer_pull (b, 0); vlib_cli_output (vm, "%llx", vlib_buffer_get_pa (vm, b)); vlib_cli_output (vm, "%llx", vlib_buffer_get_current_pa (vm, b)); /* Validate it one way */ res = vlib_validate_buffer (vm, bi, 1 /* follow_buffer_next */ ); if (res) return clib_error_return (0, "%v", res); /* Validate it a different way */ res = vlib_validate_buffers (vm, &bi, 0 /* stride */ , 1, VLIB_BUFFER_KNOWN_ALLOCATED, 1 /* follow_buffer_next */ ); if (res) return clib_error_return (0, "%v", res); /* Free it */ vlib_buffer_free_one (vm, bi); /* It will be free */ res = vlib_validate_buffers (vm, &bi, 0 /* stride */ , 1, VLIB_BUFFER_KNOWN_FREE, 1 /* follow_buffer_next */ ); if (res) return clib_error_return (0, "%v", res); /* Misc */ vlib_cli_output (vm, "%u", vlib_combined_counter_n_counters (im->combined_sw_if_counters)); /* buffer will not be allocated at this point, exercise error path */ res = vlib_validate_buffers (vm, &bi, 0 /* stride */ , 1, VLIB_BUFFER_KNOWN_ALLOCATED, 1 /* follow_buffer_next */ ); if (res) return clib_error_return (0, "%v", res); /* NOTREACHED */ return 0; } VLIB_CLI_COMMAND (test_vlib_command, static) = { .path = "test vlib", .short_help = "vlib code coverage unit test", .function = test_vlib_command_fn, }; static clib_error_t * test_format_vlib_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _i, *i = &_i; int enable = -1, disable = -1; int twenty_seven = -1;; int rxtx = -1; memset (i, 0, sizeof (*i)); unformat_init_string (i, "enable disable rx tx 27", 23); while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_vlib_enable_disable, &enable)) ; else if (unformat (i, "%U", unformat_vlib_enable_disable, &disable)) ; else if (unformat (i, "%U", unformat_vlib_number, &twenty_seven)) ; else if (unformat (i, "%U", unformat_vlib_rx_tx, &rxtx)) ; else break; } rxtx = VLIB_TX; vlib_cli_output (vm, "%U", format_vlib_read_write, rxtx); vlib_cli_output (vm, "%U", format_vlib_rx_tx, rxtx); rxtx = VLIB_RX; vlib_cli_output (vm, "%U", format_vlib_read_write, rxtx); vlib_cli_output (vm, "%U", format_vlib_rx_tx, rxtx); rxtx = 12345; vlib_cli_output (vm, "%U", format_vlib_read_write, rxtx); vlib_cli_output (vm, "%U", format_vlib_rx_tx, rxtx); unformat_free (i); return 0; } VLIB_CLI_COMMAND (test_format_vlib_command, static) = { .path = "test format-vlib", .short_help = "vlib format code coverate unit test", .function = test_format_vlib_command_fn, }; static clib_error_t * test_vlib2_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { u8 *s; u8 **result; s = format (0, "show "); result = vlib_cli_get_possible_completions (s); vec_free (result); vec_free (s); s = 0; vec_add1 (s, 0); result = vlib_cli_get_possible_completions (s); vec_free (result); vec_free (s); s = format (0, "show ?"); result = vlib_cli_get_possible_completions (s); vec_free (result); vec_free (s); return 0; } VLIB_CLI_COMMAND (test_vlib2_command, static) = { .path = "test vlib2", .short_help = "vlib code coverage unit test #2", .function = test_vlib2_command_fn, }; /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */