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[/] [hf-risc/] [trunk/] [tools/] [riscv-gnu-toolchain-master/] [linux-headers/] [include/] [linux/] [netfilter/] [xt_hashlimit.h] - Blame information for rev 13

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1 13 serginhofr
#ifndef _XT_HASHLIMIT_H
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#define _XT_HASHLIMIT_H
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#include <linux/types.h>
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/* timings are in milliseconds. */
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#define XT_HASHLIMIT_SCALE 10000
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/* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490
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 * seconds, or one packet every 59 hours.
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 */
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/* packet length accounting is done in 16-byte steps */
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#define XT_HASHLIMIT_BYTE_SHIFT 4
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/* details of this structure hidden by the implementation */
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struct xt_hashlimit_htable;
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enum {
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        XT_HASHLIMIT_HASH_DIP = 1 << 0,
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        XT_HASHLIMIT_HASH_DPT = 1 << 1,
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        XT_HASHLIMIT_HASH_SIP = 1 << 2,
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        XT_HASHLIMIT_HASH_SPT = 1 << 3,
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        XT_HASHLIMIT_INVERT   = 1 << 4,
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        XT_HASHLIMIT_BYTES    = 1 << 5,
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};
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struct hashlimit_cfg {
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        __u32 mode;       /* bitmask of XT_HASHLIMIT_HASH_* */
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        __u32 avg;    /* Average secs between packets * scale */
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        __u32 burst;  /* Period multiplier for upper limit. */
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        /* user specified */
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        __u32 size;             /* how many buckets */
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        __u32 max;              /* max number of entries */
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        __u32 gc_interval;      /* gc interval */
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        __u32 expire;   /* when do entries expire? */
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};
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struct xt_hashlimit_info {
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        char name [IFNAMSIZ];           /* name */
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        struct hashlimit_cfg cfg;
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        /* Used internally by the kernel */
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        struct xt_hashlimit_htable *hinfo;
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        union {
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                void *ptr;
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                struct xt_hashlimit_info *master;
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        } u;
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};
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struct hashlimit_cfg1 {
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        __u32 mode;       /* bitmask of XT_HASHLIMIT_HASH_* */
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        __u32 avg;    /* Average secs between packets * scale */
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        __u32 burst;  /* Period multiplier for upper limit. */
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        /* user specified */
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        __u32 size;             /* how many buckets */
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        __u32 max;              /* max number of entries */
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        __u32 gc_interval;      /* gc interval */
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        __u32 expire;   /* when do entries expire? */
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        __u8 srcmask, dstmask;
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};
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struct xt_hashlimit_mtinfo1 {
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        char name[IFNAMSIZ];
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        struct hashlimit_cfg1 cfg;
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        /* Used internally by the kernel */
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        struct xt_hashlimit_htable *hinfo __attribute__((aligned(8)));
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};
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#endif /* _XT_HASHLIMIT_H */

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