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Increase the max dummynet hash size from 1024 to 65536. Default is still

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1024.

Silence on:	-net, -ipfw 4weeks+
Reviewed by:	dd
Approved by:	knu (mentor)
MFC after:	3 weeks
This commit is contained in:
Sean Chittenden 2002-10-12 07:45:23 +00:00
parent 1d6055e77c
commit 927a76bb5e
3 changed files with 9 additions and 3 deletions
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2
sbin/ipfw/ipfw.8
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@ -1347,7 +1347,7 @@ Default value is 64 controlled by the
.Xr sysctl 8
variable
.Em net.inet.ip.dummynet.hash_size ,
allowed range is 16 to 1024.
allowed range is 16 to 65536.
.Pp
.It Cm mask Ar mask-specifier
The

4
sys/netinet/ip_dummynet.c
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@ -1463,8 +1463,8 @@ alloc_hash(struct dn_flow_set *x, struct dn_flow_set *pfs)
l = dn_hash_size;
if (l < 4)
l = 4;
else if (l > 1024)
l = 1024;
else if (l > DN_MAX_HASH_SIZE)
l = DN_MAX_HASH_SIZE;
x->rq_size = l;
} else /* one is enough for null mask */
x->rq_size = 1;

6
sys/netinet/ip_dummynet.h
View File

@ -76,6 +76,12 @@ typedef u_int64_t dn_key ; /* sorting key */
*/
#define OFFSET_OF(type, field) ((int)&( ((type *)0)->field) )
/*
* The maximum hash table size for queues. This value must be a power
* of 2.
*/
#define DN_MAX_HASH_SIZE 65536
/*
* A heap entry is made of a key and a pointer to the actual
* object stored in the heap.