Revision: 449
http://vde.svn.sourceforge.net/vde/?rev=449&view=rev
Author: rd235
Date: 2010-11-23 19:47:49 +0000 (Tue, 23 Nov 2010)
Log Message:
-----------
bugfixes: 1- priority queue could swap packets in fifo channel on heavy traffic
2- BPDU packets had wrong length (tnx to Michele Cucchi)
Modified Paths:
--------------
trunk/vde-2/src/vde_switch/fstp.c
trunk/vde-2/src/wirefilter.c
Modified: trunk/vde-2/src/vde_switch/fstp.c
===================================================================
--- trunk/vde-2/src/vde_switch/fstp.c 2010-11-20 23:16:04 UTC (rev 448)
+++ trunk/vde-2/src/vde_switch/fstp.c 2010-11-23 19:47:49 UTC (rev 449)
@@ -153,7 +153,7 @@
static struct fstbpdu outpacket = {
.header.dest=BPDUADDR,
- .header.proto={0x00,0x39}, /* 802.3 packet length */
+ .header.proto={0x00,0x27}, /* 802.3 packet length */
.llc={0x42,0x42,0x3},
.stp_protocol={0,0},
.stp_version=2,
@@ -163,7 +163,7 @@
static struct fsttagbpdu outtagpacket = {
.header.dest=BPDUADDR,
.header.proto={0x81,0x00},
- .tag_proto={0x00,0x39},
+ .tag_proto={0x00,0x27},
.llc={0x42,0x42,0x3},
.stp_protocol={0,0},
.stp_version=2,
Modified: trunk/vde-2/src/wirefilter.c
===================================================================
--- trunk/vde-2/src/wirefilter.c 2010-11-20 23:16:04 UTC (rev 448)
+++ trunk/vde-2/src/wirefilter.c 2010-11-23 19:47:49 UTC (rev 449)
@@ -375,15 +375,17 @@
struct packpq {
unsigned long long when;
+ unsigned int counter;
int dir;
unsigned char *buf;
int size;
};
struct packpq **pqh;
-struct packpq sentinel={0,0,NULL,0};
+struct packpq sentinel={0,0,0,NULL,0};
int npq,maxpq;
unsigned long long maxwhen;
+unsigned int counter;
#define PQCHUNK 100
@@ -459,12 +461,19 @@
while (k<= npq>>1)
{
int j= k<<1;
- if (j<npq && pqh[j]->when > pqh[j+1]->when) j++;
- if (old->when <= pqh[j]->when) {
+ if (j<npq &&
+ (pqh[j]->when > pqh[j+1]->when ||
+ (pqh[j]->when == pqh[j+1]->when &&
+ pqh[j]->counter >
pqh[j+1]->counter)
+ )
+ ) j++;
+ if (old->when < pqh[j]->when ||
+ (old->when == pqh[j]->when &&
+ old->counter < pqh[j]->counter)
+ )
break;
- } else {
+ else
pqh[k]=pqh[j];k=j;
- }
}
pqh[k]=old;
}
@@ -490,8 +499,15 @@
}
gettimeofday(&v,NULL);
new->when= ((unsigned long long)v.tv_sec * 1000 + v.tv_usec/1000) +
delms;
- if (new->when > maxwhen) maxwhen=new->when;
- if (!nofifo && new->when < maxwhen) new->when=maxwhen;
+ if (new->when > maxwhen) {
+ maxwhen=new->when;
+ counter=0;
+ }
+ if (!nofifo && new->when <= maxwhen) {
+ new->when=maxwhen;
+ counter++;
+ }
+ new->counter=counter;
new->dir=dir;
new->buf=malloc(size);
if (new->buf==NULL) {
@@ -517,7 +533,8 @@
}
}
{int k=++npq;
- while (new->when < pqh[k>>1]->when) {
+ while (new->when < pqh[k>>1]->when ||
+ (new->when == pqh[k>>1]->when && new->counter <
pqh[k>>1]->counter)) {
pqh[k]=pqh[k>>1];
k >>= 1;
}
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