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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2005-11-15 13:22:57 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2005-11-15 13:22:57 +0000
commitd277a09238a806131ee7f02e9d43467274d1bdb6 (patch)
tree3b9018ae78780e763b314c25cfad5edb52869a88 /target/linux
parentf409bc934361999652fed081a62c1b1686e9a856 (diff)
add fix for htb with tsc timers and disable hysteresis for more precise shaping
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2497 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/linux-2.4/patches/generic/212-htb_time_fix.patch75
-rw-r--r--target/linux/linux-2.4/patches/generic/213-htb_disable_hysteresis.patch11
2 files changed, 86 insertions, 0 deletions
diff --git a/target/linux/linux-2.4/patches/generic/212-htb_time_fix.patch b/target/linux/linux-2.4/patches/generic/212-htb_time_fix.patch
new file mode 100644
index 000000000..7281093b0
--- /dev/null
+++ b/target/linux/linux-2.4/patches/generic/212-htb_time_fix.patch
@@ -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,
diff --git a/target/linux/linux-2.4/patches/generic/213-htb_disable_hysteresis.patch b/target/linux/linux-2.4/patches/generic/213-htb_disable_hysteresis.patch
new file mode 100644
index 000000000..5d0ff9266
--- /dev/null
+++ b/target/linux/linux-2.4/patches/generic/213-htb_disable_hysteresis.patch
@@ -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 */