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Diffstat (limited to 'vnet/vnet/pg/edit.h')
| -rw-r--r-- | vnet/vnet/pg/edit.h | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/vnet/vnet/pg/edit.h b/vnet/vnet/pg/edit.h deleted file mode 100644 index 3bfdad575f5..00000000000 --- a/vnet/vnet/pg/edit.h +++ /dev/null @@ -1,210 +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.h: 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. - */ - -#ifndef included_packet_generator_pg_edit_h -#define included_packet_generator_pg_edit_h - -#include <vppinfra/format.h> -#include <vppinfra/vec.h> - -typedef enum -{ - /* Invalid type used to poison edits. */ - PG_EDIT_INVALID_TYPE, - - /* Value is fixed: does not change for all packets in sequence. */ - PG_EDIT_FIXED, - - /* Value v increments between low and high values v_low <= v <= v_high. */ - PG_EDIT_INCREMENT, - - /* Random value between low and high values v_low <= v <= v_high. */ - PG_EDIT_RANDOM, - - /* Unspecified value; will be specified by some edit function. */ - PG_EDIT_UNSPECIFIED, -} pg_edit_type_t; - -typedef struct -{ - pg_edit_type_t type; - - /* Bit offset within packet where value is to be written. - Bits are written in network byte order: high bits first. - This is the bit offset of the least significant bit: i.e. the - highest numbered byte * 8 plus bit offset within that byte. - Negative offsets encode special edits. */ - i32 lsb_bit_offset; - - /* Special offset indicating this edit is for packet length. */ -#define PG_EDIT_PACKET_LENGTH (-1) - - /* Number of bits in edit. */ - u32 n_bits; - - /* Low and high values for this edit. Network byte order. */ - u8 *values[2]; -#define PG_EDIT_LO 0 -#define PG_EDIT_HI 1 - - /* Last value used for increment edit type. */ - u64 last_increment_value; -} pg_edit_t; - -always_inline void -pg_edit_free (pg_edit_t * e) -{ - int i; - for (i = 0; i < ARRAY_LEN (e->values); i++) - vec_free (e->values[i]); -} - -#define pg_edit_init_bitfield(e,type,field,field_offset,field_n_bits) \ -do { \ - u32 _bo; \ - \ - ASSERT ((field_offset) < STRUCT_BITS_OF (type, field)); \ - \ - /* Start byte offset. */ \ - _bo = STRUCT_OFFSET_OF (type, field); \ - \ - /* Adjust for big endian byte order. */ \ - _bo += ((STRUCT_BITS_OF (type, field) \ - - (field_offset) - 1) / BITS (u8)); \ - \ - (e)->lsb_bit_offset = _bo * BITS (u8) + ((field_offset) % BITS (u8)); \ - (e)->n_bits = (field_n_bits); \ -} while (0) - -/* Initialize edit for byte aligned fields. */ -#define pg_edit_init(e,type,field) \ - pg_edit_init_bitfield(e,type,field,0,STRUCT_BITS_OF(type,field)) - -static inline uword -pg_edit_n_alloc_bytes (pg_edit_t * e) -{ - int i0, i1, n_bytes, n_bits_left; - - i0 = e->lsb_bit_offset; - i1 = i0 % BITS (u8); - - n_bytes = 0; - n_bits_left = e->n_bits; - - if (n_bits_left > 0 && i1 != 0) - { - n_bytes++; - n_bits_left -= i1; - if (n_bits_left < 0) - n_bits_left = 0; - } - - n_bytes += (n_bits_left / BITS (u8)); - n_bytes += (n_bits_left % BITS (u8)) != 0; - - return n_bytes; -} - -static inline void -pg_edit_alloc_value (pg_edit_t * e, int i) -{ - vec_validate (e->values[i], e->lsb_bit_offset / BITS (u8)); -} - -extern void pg_edit_set_value (pg_edit_t * e, int hi_or_lo, u64 value); - -static inline void -pg_edit_set_fixed (pg_edit_t * e, u64 value) -{ - e->type = PG_EDIT_FIXED; - pg_edit_set_value (e, PG_EDIT_LO, value); -} - -static inline void -pg_edit_copy_type_and_values (pg_edit_t * dst, pg_edit_t * src) -{ - int i; - dst->type = src->type; - src->type = PG_EDIT_INVALID_TYPE; - for (i = 0; i < ARRAY_LEN (dst->values); i++) - { - dst->values[i] = src->values[i]; - src->values[i] = 0; - } -} - -static inline u64 -pg_edit_get_value (pg_edit_t * e, int hi_or_lo) -{ - u64 r = 0; - int i, n; - u8 *v = e->values[hi_or_lo]; - - n = round_pow2 (e->n_bits, BITS (u8)) / BITS (u8); - - ASSERT (n <= vec_len (v)); - ASSERT (n <= sizeof (r)); - - for (i = 0; i < n; i++) - r = (r << BITS (v[i])) + v[i]; - - return r; -} - -static inline uword -pg_edit_is_fixed_with_value (pg_edit_t * e, u64 value) -{ - return (e->type == PG_EDIT_FIXED - && value == pg_edit_get_value (e, PG_EDIT_LO)); -} - -uword unformat_pg_edit (unformat_input_t * input, va_list * args); -uword unformat_pg_payload (unformat_input_t * input, va_list * args); -uword unformat_pg_number (unformat_input_t * input, va_list * args); -uword unformat_pg_interface (unformat_input_t * input, va_list * args); - -#endif /* included_packet_generator_pg_edit_h */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |