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53 lines
1.6 KiB
53 lines
1.6 KiB
/* |
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* Copyright 2015, The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef APF_INTERPRETER_H_ |
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#define APF_INTERPRETER_H_ |
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#include <stdint.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/** |
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* Version of APF instruction set processed by accept_packet(). |
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* Should be returned by wifi_get_packet_filter_info. |
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*/ |
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#define APF_VERSION 2 |
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/** |
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* Runs a packet filtering program over a packet. |
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* |
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* @param program the program bytecode. |
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* @param program_len the length of {@code apf_program} in bytes. |
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* @param packet the packet bytes, starting from the 802.3 header and not |
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* including any CRC bytes at the end. |
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* @param packet_len the length of {@code packet} in bytes. |
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* @param filter_age the number of seconds since the filter was programmed. |
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* |
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* @return non-zero if packet should be passed to AP, zero if |
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* packet should be dropped. |
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*/ |
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int accept_packet(const uint8_t* program, uint32_t program_len, |
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const uint8_t* packet, uint32_t packet_len, |
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uint32_t filter_age); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif // APF_INTERPRETER_H_
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