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add fix for htb with tsc timers and disable hysteresis for more precise shaping 

SVN-Revision: 2497
lede-17.01
Felix Fietkau 2005-11-15 13:22:57 +00:00
parent 0fb3620001
commit b4f12fb36f
2 changed files with 86 additions and 0 deletions
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75
openwrt/target/linux/linux-2.4/patches/generic/212-htb_time_fix.patch Normal file
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@ -0,0 +1,75 @@
--- linux.old/net/sched/sch_htb.c 2005-11-15 14:09:41.548066000 +0100
+++ linux.dev/net/sched/sch_htb.c 2005-11-15 14:08:34.000000000 +0100
@@ -369,7 +369,7 @@
struct list_head *l;
list_for_each (l,q->hash+i) {
struct htb_class *cl = list_entry(l,struct htb_class,hlist);
- long diff = PSCHED_TDIFF_SAFE(q->now, cl->t_c, (u32)cl->mbuffer, 0);
+ long long diff = PSCHED_TDIFF_SAFE(q->now, cl->t_c, (u32)cl->mbuffer, 0);
printk(KERN_DEBUG "htb*c%x m=%d t=%ld c=%ld pq=%lu df=%ld ql=%d "
"pa=%x f:",
cl->classid,cl->cmode,cl->tokens,cl->ctokens,
@@ -617,7 +617,7 @@
* mode transitions per time unit. The speed gain is about 1/6.
*/
static __inline__ enum htb_cmode
-htb_class_mode(struct htb_class *cl,long *diff)
+htb_class_mode(struct htb_class *cl,long long *diff)
{
long toks;
@@ -650,7 +650,7 @@
* to mode other than HTB_CAN_SEND (see htb_add_to_wait_tree).
*/
static void
-htb_change_class_mode(struct htb_sched *q, struct htb_class *cl, long *diff)
+htb_change_class_mode(struct htb_sched *q, struct htb_class *cl, long long *diff)
{
enum htb_cmode new_mode = htb_class_mode(cl,diff);
@@ -815,7 +815,8 @@
static void htb_charge_class(struct htb_sched *q,struct htb_class *cl,
int level,int bytes)
{
- long toks,diff;
+ long long diff;
+ long toks;
enum htb_cmode old_mode;
HTB_DBG(5,1,"htb_chrg_cl cl=%X lev=%d len=%d\n",cl->classid,level,bytes);
@@ -831,7 +832,7 @@
#ifdef HTB_DEBUG
if (diff > cl->mbuffer || diff < 0 || PSCHED_TLESS(q->now, cl->t_c)) {
if (net_ratelimit())
- printk(KERN_ERR "HTB: bad diff in charge, cl=%X diff=%lX now=%Lu then=%Lu j=%lu\n",
+ printk(KERN_ERR "HTB: bad diff in charge, cl=%X diff=%Ld now=%Lu then=%Lu j=%lu\n",
cl->classid, diff,
(unsigned long long) q->now,
(unsigned long long) cl->t_c,
@@ -848,7 +849,7 @@
}
HTB_ACCNT (ctokens,cbuffer,ceil);
cl->t_c = q->now;
- HTB_DBG(5,2,"htb_chrg_clp cl=%X diff=%ld tok=%ld ctok=%ld\n",cl->classid,diff,cl->tokens,cl->ctokens);
+ HTB_DBG(5,2,"htb_chrg_clp cl=%X diff=%Ld tok=%ld ctok=%ld\n",cl->classid,diff,cl->tokens,cl->ctokens);
old_mode = cl->cmode; diff = 0;
htb_change_class_mode(q,cl,&diff);
@@ -887,7 +888,7 @@
level,q->wait_pq[level].rb_node,q->row_mask[level]);
for (i = 0; i < 500; i++) {
struct htb_class *cl;
- long diff;
+ long long diff;
rb_node_t *p = q->wait_pq[level].rb_node;
if (!p) return 0;
while (p->rb_left) p = p->rb_left;
@@ -902,7 +903,7 @@
#ifdef HTB_DEBUG
if (diff > cl->mbuffer || diff < 0 || PSCHED_TLESS(q->now, cl->t_c)) {
if (net_ratelimit())
- printk(KERN_ERR "HTB: bad diff in events, cl=%X diff=%lX now=%Lu then=%Lu j=%lu\n",
+ printk(KERN_ERR "HTB: bad diff in events, cl=%X diff=%Ld now=%Lu then=%Lu j=%lu\n",
cl->classid, diff,
(unsigned long long) q->now,
(unsigned long long) cl->t_c,

11
openwrt/target/linux/linux-2.4/patches/generic/213-htb_disable_hysteresis.patch Normal file
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@ -0,0 +1,11 @@
--- linux.old/net/sched/sch_htb.c 2005-11-15 14:09:41.548066000 +0100
+++ linux.dev/net/sched/sch_htb.c 2005-11-15 14:08:34.000000000 +0100
@@ -74,7 +74,7 @@
#define HTB_EWMAC 2 /* rate average over HTB_EWMAC*HTB_HSIZE sec */
#define HTB_DEBUG 1 /* compile debugging support (activated by tc tool) */
#define HTB_RATECM 1 /* whether to use rate computer */
-#define HTB_HYSTERESIS 1/* whether to use mode hysteresis for speedup */
+#define HTB_HYSTERESIS 0/* whether to use mode hysteresis for speedup */
#define HTB_QLOCK(S) spin_lock_bh(&(S)->dev->queue_lock)
#define HTB_QUNLOCK(S) spin_unlock_bh(&(S)->dev->queue_lock)
#define HTB_VER 0x30011 /* major must be matched with number suplied by TC as version */