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50 lines
1.7 KiB
50 lines
1.7 KiB
/* |
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* Copyright 2011 Daniel Drown |
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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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* clatd.h - main system definitions |
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*/ |
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#ifndef __CLATD_H__ |
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#define __CLATD_H__ |
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#include <sys/uio.h> |
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#define MAXMTU 1500 |
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//gro on |
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#define MAXMRU 65536 |
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#define PACKETLEN (MAXMRU+sizeof(struct tun_pi)) |
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#define CLATD_VERSION "1.4" |
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
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// how frequently (in seconds) to poll for an address change while traffic is passing |
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#define INTERFACE_POLL_FREQUENCY 30 |
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// how frequently (in seconds) to poll for an address change while there is no traffic |
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#define NO_TRAFFIC_INTERFACE_POLL_FREQUENCY 90 |
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// A clat_packet is an array of iovec structures representing a packet that we are translating. |
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// The CLAT_POS_XXX constants represent the array indices within the clat_packet that contain |
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// specific parts of the packet. The packet_* functions operate on all the packet segments past a |
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// given position. |
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typedef enum { |
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CLAT_POS_TUNHDR, CLAT_POS_IPHDR, CLAT_POS_FRAGHDR, CLAT_POS_TRANSPORTHDR, |
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CLAT_POS_ICMPERR_IPHDR, CLAT_POS_ICMPERR_FRAGHDR, CLAT_POS_ICMPERR_TRANSPORTHDR, |
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CLAT_POS_PAYLOAD, CLAT_POS_MAX |
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} clat_packet_index; |
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typedef struct iovec clat_packet[CLAT_POS_MAX]; |
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#endif /* __CLATD_H__ */
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