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nfqws: autottl cache, --dup-autottl, --orig-autottl

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bol-van
2025-05-03 12:01:49 +03:00
parent 5b625fa709
commit 5cc888cd2c
13 changed files with 501 additions and 111 deletions
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7
nfq/darkmagic.h
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@@ -261,13 +261,10 @@ typedef struct
int8_t delta;
uint8_t min, max;
} autottl;
#define AUTOTTL_DEFAULT_DELTA -1
#define AUTOTTL_DEFAULT_MIN 3
#define AUTOTTL_DEFAULT_MAX 20
#define AUTOTTL_ENABLED(a) (!!(a).delta)
#define AUTOTTL_SET_DEFAULT(a) {(a).delta=AUTOTTL_DEFAULT_DELTA; (a).min=AUTOTTL_DEFAULT_MIN; (a).max=AUTOTTL_DEFAULT_MAX;}
uint8_t autottl_guess(uint8_t ttl, const autottl *attl);
uint8_t hop_count_guess(uint8_t ttl);
uint8_t autottl_eval(uint8_t hop_count, const autottl *attl);
void do_nat(bool bOutbound, struct ip *ip, struct ip6_hdr *ip6, struct tcphdr *tcphdr, struct udphdr *udphdr, const struct sockaddr_in *target4, const struct sockaddr_in6 *target6);
void verdict_tcp_csum_fix(uint8_t verdict, struct tcphdr *tcphdr, size_t transport_len, struct ip *ip, struct ip6_hdr *ip6hdr);