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author | 2015-10-19 16:30:55 +0300 | |
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committer | 2015-10-19 16:30:55 +0300 | |
commit | 872a205b4c5e4119b6d0d10a7ec774ce22d63256 (patch) | |
tree | e650ddcc3ceb5cb9e4b9c33609fcbfc956455f03 /src/stateless/cp/trex_stream_vm.h | |
parent | cf5dc18ecbeca6b4be9a171d996bba1cba9c3679 (diff) | |
parent | 6c7880b9881ed6690954f0c29259dd0b584b3970 (diff) |
Merge branch 'rpc' -> add support for interactive mode
Diffstat (limited to 'src/stateless/cp/trex_stream_vm.h')
-rw-r--r-- | src/stateless/cp/trex_stream_vm.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/stateless/cp/trex_stream_vm.h b/src/stateless/cp/trex_stream_vm.h new file mode 100644 index 00000000..56edbcaf --- /dev/null +++ b/src/stateless/cp/trex_stream_vm.h @@ -0,0 +1,171 @@ +/* + Itay Marom + Cisco Systems, Inc. +*/ + +/* +Copyright (c) 2015-2015 Cisco Systems, Inc. + +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. +*/ +#ifndef __TREX_STREAM_VM_API_H__ +#define __TREX_STREAM_VM_API_H__ + +#include <string> +#include <stdint.h> +#include <vector> + +/** + * interface for stream VM instruction + * + */ +class StreamVmInstruction { +public: + + virtual ~StreamVmInstruction(); + +private: + static const std::string m_name; +}; + +/** + * fix checksum for ipv4 + * + */ +class StreamVmInstructionFixChecksumIpv4 : public StreamVmInstruction { +public: + StreamVmInstructionFixChecksumIpv4(uint16_t offset) : m_pkt_offset(offset) { + + } + +private: + uint16_t m_pkt_offset; +}; + +/** + * flow manipulation instruction + * + * @author imarom (07-Sep-15) + */ +class StreamVmInstructionFlowMan : public StreamVmInstruction { + +public: + + /** + * different types of operations on the object + */ + enum flow_var_op_e { + FLOW_VAR_OP_INC, + FLOW_VAR_OP_DEC, + FLOW_VAR_OP_RANDOM + }; + + StreamVmInstructionFlowMan(const std::string &var_name, + uint8_t size, + flow_var_op_e op, + uint64_t init_value, + uint64_t min_value, + uint64_t max_value) : + m_var_name(var_name), + m_size_bytes(size), + m_op(op), + m_init_value(init_value), + m_min_value(min_value), + m_max_value(max_value) { + + } + +private: + + + /* flow var name */ + std::string m_var_name; + + /* flow var size */ + uint8_t m_size_bytes; + + /* type of op */ + flow_var_op_e m_op; + + /* range */ + uint64_t m_init_value; + uint64_t m_min_value; + uint64_t m_max_value; + + +}; + +/** + * write flow var to packet + * + */ +class StreamVmInstructionWriteToPkt : public StreamVmInstruction { +public: + + StreamVmInstructionWriteToPkt(const std::string &flow_var_name, + uint16_t pkt_offset, + int32_t add_value = 0, + bool is_big_endian = true) : + + m_flow_var_name(flow_var_name), + m_pkt_offset(pkt_offset), + m_add_value(add_value), + m_is_big_endian(is_big_endian) {} +private: + + /* flow var name to write */ + std::string m_flow_var_name; + + /* where to write */ + uint16_t m_pkt_offset; + + /* add/dec value from field when writing */ + int32_t m_add_value; + + /* writing endian */ + bool m_is_big_endian; +}; + +/** + * describes a VM program + * + */ +class StreamVm { +public: + + /** + * add new instruction to the VM + * + */ + void add_instruction(StreamVmInstruction *inst); + + /** + * get const access to the instruction list + * + */ + const std::vector<StreamVmInstruction *> & get_instruction_list(); + + /** + * compile the VM + * return true of success, o.w false + * + */ + bool compile(); + + ~StreamVm(); + +private: + std::vector<StreamVmInstruction *> m_inst_list; +}; + +#endif /* __TREX_STREAM_VM_API_H__ */ |