diff options
Diffstat (limited to 'vnet/vnet/pg/edit.c')
-rw-r--r-- | vnet/vnet/pg/edit.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/vnet/vnet/pg/edit.c b/vnet/vnet/pg/edit.c deleted file mode 100644 index cb4d070fb19..00000000000 --- a/vnet/vnet/pg/edit.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Copyright (c) 2015 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. - */ -/* - * pg_edit.c: packet generator edits - * - * Copyright (c) 2008 Eliot Dresselhaus - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <vlib/vlib.h> -#include <vnet/pg/pg.h> - -static void -pg_edit_set_value_helper (pg_edit_t * e, u64 value, u8 * result) -{ - int i, j, n_bits_left; - u8 *v, tmp[8]; - - v = tmp; - - n_bits_left = e->n_bits; - i = 0; - j = e->lsb_bit_offset % BITS (v[0]); - - if (n_bits_left > 0 && j != 0) - { - v[i] = (value & 0xff) << j; - value >>= BITS (v[0]) - j; - n_bits_left -= BITS (v[0]) - j; - i += 1; - } - - while (n_bits_left > 0) - { - v[i] = value & 0xff; - value >>= 8; - n_bits_left -= 8; - i += 1; - } - - /* Convert to network byte order. */ - for (j = 0; j < i; j++) - result[j] = v[i - 1 - j]; -} - -void -pg_edit_set_value (pg_edit_t * e, int hi_or_lo, u64 value) -{ - pg_edit_alloc_value (e, hi_or_lo); - pg_edit_set_value_helper (e, value, e->values[hi_or_lo]); -} - -/* Parse an int either %d or 0x%x into network byte order. */ -uword -unformat_pg_number (unformat_input_t * input, va_list * args) -{ - u8 *result = va_arg (*args, u8 *); - pg_edit_t *e = va_arg (*args, pg_edit_t *); - u64 value; - - ASSERT (BITS (value) >= e->n_bits); - - if (!unformat (input, "0x%X", sizeof (value), &value) - && !unformat (input, "%D", sizeof (value), &value)) - return 0; - - /* Number given does not fit into bit field. */ - if (e->n_bits < 64 && value >= (u64) 1 << (u64) e->n_bits) - return 0; - - pg_edit_set_value_helper (e, value, result); - return 1; -} - -uword -unformat_pg_edit (unformat_input_t * input, va_list * args) -{ - unformat_function_t *f = va_arg (*args, unformat_function_t *); - pg_edit_t *e = va_arg (*args, pg_edit_t *); - - pg_edit_alloc_value (e, PG_EDIT_LO); - if (!unformat_user (input, f, e->values[PG_EDIT_LO], e)) - return 0; - - pg_edit_alloc_value (e, PG_EDIT_HI); - if (unformat (input, "-%U", f, e->values[PG_EDIT_HI], e)) - e->type = PG_EDIT_INCREMENT; - else if (unformat (input, "+%U", f, e->values[PG_EDIT_HI], e)) - e->type = PG_EDIT_RANDOM; - else - e->type = PG_EDIT_FIXED; - - return 1; -} - -uword -unformat_pg_payload (unformat_input_t * input, va_list * args) -{ - pg_stream_t *s = va_arg (*args, pg_stream_t *); - vlib_main_t *vm = vlib_get_main (); - pg_edit_t *e; - u32 i, node_index, len, max_len; - u8 *v; - - v = 0; - - if (unformat (input, "incrementing %d", &len)) - { - vec_resize (v, len); - for (i = 0; i < len; i++) - v[i] = i; - } - else if (unformat (input, "hex 0x%U", unformat_hex_string, &v)) - ; - - else if (unformat (input, "%U", unformat_vlib_node, vm, &node_index)) - { - pg_node_t *pn = pg_get_node (node_index); - if (!pn->unformat_edit) - return 0; - return unformat (input, "%U", pn->unformat_edit, s); - } - - else - return 0; - - /* Length not including this payload. */ - max_len = pg_edit_group_n_bytes (s, 0); - if (max_len + vec_len (v) >= s->max_packet_bytes) - { - if (s->max_packet_bytes >= max_len) - _vec_len (v) = s->max_packet_bytes - max_len; - else - _vec_len (v) = 0; - } - - e = pg_create_edit_group (s, sizeof (e[0]), vec_len (v), 0); - - e->type = PG_EDIT_FIXED; - e->n_bits = vec_len (v) * BITS (v[0]); - - /* Least significant bit is at end of bitstream, since everything is always bigendian. */ - e->lsb_bit_offset = e->n_bits - BITS (v[0]); - - e->values[PG_EDIT_LO] = v; - - return 1; -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |