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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:17:19 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:17:19 +0200
commited9e4996d9a123b7550e63713d563f524fa9d9f0 (patch)
treea9be05d357b407aac80118b86f25d21a5dbdfc88 /net/dccp/ccids/lib/tfrc.h
parent4d2df795f0c3eb91f97a666f47716121a2f166ed (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into tracing/sysproftip-tracing-sysprof-2008-06-16_09.17_Mon
Diffstat (limited to 'net/dccp/ccids/lib/tfrc.h')
-rw-r--r--net/dccp/ccids/lib/tfrc.h25
1 files changed, 15 insertions, 10 deletions
diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h
index 1fb1187bbf1c..ed9857527acf 100644
--- a/net/dccp/ccids/lib/tfrc.h
+++ b/net/dccp/ccids/lib/tfrc.h
@@ -15,7 +15,7 @@
* (at your option) any later version.
*/
#include <linux/types.h>
-#include <asm/div64.h>
+#include <linux/math64.h>
#include "../../dccp.h"
/* internal includes that this module exports: */
#include "loss_interval.h"
@@ -29,21 +29,19 @@ extern int tfrc_debug;
#endif
/* integer-arithmetic divisions of type (a * 1000000)/b */
-static inline u64 scaled_div(u64 a, u32 b)
+static inline u64 scaled_div(u64 a, u64 b)
{
BUG_ON(b==0);
- a *= 1000000;
- do_div(a, b);
- return a;
+ return div64_u64(a * 1000000, b);
}
-static inline u32 scaled_div32(u64 a, u32 b)
+static inline u32 scaled_div32(u64 a, u64 b)
{
u64 result = scaled_div(a, b);
if (result > UINT_MAX) {
- DCCP_CRIT("Overflow: a(%llu)/b(%u) > ~0U",
- (unsigned long long)a, b);
+ DCCP_CRIT("Overflow: %llu/%llu > UINT_MAX",
+ (unsigned long long)a, (unsigned long long)b);
return UINT_MAX;
}
return result;
@@ -58,7 +56,14 @@ static inline u32 tfrc_ewma(const u32 avg, const u32 newval, const u8 weight)
return avg ? (weight * avg + (10 - weight) * newval) / 10 : newval;
}
-extern u32 tfrc_calc_x(u16 s, u32 R, u32 p);
-extern u32 tfrc_calc_x_reverse_lookup(u32 fvalue);
+extern u32 tfrc_calc_x(u16 s, u32 R, u32 p);
+extern u32 tfrc_calc_x_reverse_lookup(u32 fvalue);
+extern int tfrc_tx_packet_history_init(void);
+extern void tfrc_tx_packet_history_exit(void);
+extern int tfrc_rx_packet_history_init(void);
+extern void tfrc_rx_packet_history_exit(void);
+
+extern int tfrc_li_init(void);
+extern void tfrc_li_exit(void);
#endif /* _TFRC_H_ */