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[CCID3]: Move the loss interval code to loss_interval.[ch]

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And put this into net/dccp/ccids/lib/, where packet_history.[ch] will also be
moved and then we'll have a tfrc_lib.ko module that will be used by
dccp_ccid3.ko and other CCIDs that are variations of TFRC (RFC 3448).

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-08-27 23:03:09 -03:00
committed by David S. Miller
parent cfc3c525a3
commit ae6706f067
5 changed files with 234 additions and 139 deletions
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61
net/dccp/ccids/lib/loss_interval.h Normal file
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@@ -0,0 +1,61 @@
#ifndef _DCCP_LI_HIST_
#define _DCCP_LI_HIST_
/*
* net/dccp/ccids/lib/loss_interval.h
*
* Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
* Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
* Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*/
#include <linux/config.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/time.h>
#define DCCP_LI_HIST_IVAL_F_LENGTH 8
struct dccp_li_hist {
kmem_cache_t *dccplih_slab;
};
extern struct dccp_li_hist *dccp_li_hist_new(const char *name);
extern void dccp_li_hist_delete(struct dccp_li_hist *hist);
struct dccp_li_hist_entry {
struct list_head dccplih_node;
u64 dccplih_seqno:48,
dccplih_win_count:4;
u32 dccplih_interval;
};
static inline struct dccp_li_hist_entry *
dccp_li_hist_entry_new(struct dccp_li_hist *hist,
const unsigned int __nocast prio)
{
return kmem_cache_alloc(hist->dccplih_slab, prio);
}
static inline void dccp_li_hist_entry_delete(struct dccp_li_hist *hist,
struct dccp_li_hist_entry *entry)
{
if (entry != NULL)
kmem_cache_free(hist->dccplih_slab, entry);
}
extern void dccp_li_hist_purge(struct dccp_li_hist *hist,
struct list_head *list);
extern u32 dccp_li_hist_calc_i_mean(struct list_head *list);
extern struct dccp_li_hist_entry *
dccp_li_hist_interval_new(struct dccp_li_hist *hist,
struct list_head *list,
const u64 seq_loss,
const u8 win_loss);
#endif /* _DCCP_LI_HIST_ */