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Export the IPFW_DEFAULT_RULE outside ip_fw2.c. This number in not only

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the default rule number but also the maximum rule number.  User space
software such as ipfw and natd should be aware of its value.  The
software that already includes ip_fw.h should use the defined value.  All
other a expected to use sysctl (as discussed on net@).

MFC after: 5 days.
Discussed on: net@
This commit is contained in:
Roman Kurakin 2008-09-06 16:47:07 +00:00
parent 4fcf52f697
commit 8191aa7c0b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=182818
2 changed files with 7 additions and 1 deletions
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5
sys/netinet/ip_fw.h
View File

@ -28,6 +28,11 @@
#ifndef _IPFW2_H
#define _IPFW2_H
/*
* The default rule number. It is also the max possible rule number.
*/
#define IPFW_DEFAULT_RULE 65535
/*
* The kernel representation of ipfw rules is made of a list of
* 'instructions' (for all practical purposes equivalent to BPF

3
sys/netinet/ip_fw2.c
View File

@ -122,7 +122,6 @@ static int verbose_limit;
static struct callout ipfw_timeout;
static uma_zone_t ipfw_dyn_rule_zone;
#define IPFW_DEFAULT_RULE 65535
/*
* Data structure to cache our ucred related
@ -180,6 +179,8 @@ SYSCTL_INT(_net_inet_ip_fw, OID_AUTO, verbose,
&fw_verbose, 0, "Log matches to ipfw rules");
SYSCTL_INT(_net_inet_ip_fw, OID_AUTO, verbose_limit, CTLFLAG_RW,
&verbose_limit, 0, "Set upper limit of matches of ipfw rules logged");
SYSCTL_UINT(_net_inet_ip_fw, OID_AUTO, default_rule, CTLFLAG_RD,
NULL, IPFW_DEFAULT_RULE, "The default/max possible rule number.");
/*
* Description of dynamic rules.