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From 60e685bd74bca45a4be9528d97f5a2edcc954e7f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Mork?= <bjorn@mork.no>
Date: Thu, 22 Sep 2022 11:49:42 +0200
Subject: [PATCH] make MAX_NR_INTERFACES configurable
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Bjørn Mork <bjorn@mork.no>
---
configure.ac | 9 +++++++++
mini-snmpd.h | 1 -
2 files changed, 9 insertions(+), 1 deletion(-)
--- a/configure.ac
+++ b/configure.ac
@@ -40,6 +40,10 @@ AC_ARG_WITH(systemd,
[AS_HELP_STRING([--with-systemd=DIR], [Directory for systemd service files])],,
[with_systemd=auto])
+AC_ARG_WITH(interfaces,
+ AS_HELP_STRING([--with-interfaces=NUM], [Support NUM interfaces, default: 8]),
+ [with_interfaces=$withval], [with_interfaces="8"])
+
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug], [Enable developer debug mode, disabled by default]),
[enable_debug=$enableval], [enable_debug=no])
@@ -56,6 +60,7 @@ AC_ARG_ENABLE(ethtool,
AS_HELP_STRING([--enable-ethtool], [Enable ethtool interface stats, disabled by default]),
[enable_ethtool=$enableval], [enable_ethtool=no])
+
### Enable features ###########################################################################
AS_IF([test "x$with_vendor" != "xno"],[
AS_IF([test "x$vendor" = "xyes"],[
@@ -69,6 +74,8 @@ AS_IF([test "x$with_config" != "xno"], [
PKG_CHECK_MODULES([confuse], [libconfuse >= 2.7])])
AM_CONDITIONAL([HAVE_CONFUSE], [test "x$with_config" != "xno"])
+AC_DEFINE_UNQUOTED(MAX_NR_INTERFACES, $with_interfaces, [Max Number of Interfaces])
+
AS_IF([test "x$enable_debug" = "xyes"],[
AC_DEFINE(DEBUG, 1, [Define to enable debug mode.])])
@@ -81,6 +88,7 @@ AS_IF([test "x$enable_ipv6" != "xno"],[
AS_IF([test "x$enable_ethtool" != "xno"],[
AC_DEFINE(CONFIG_ENABLE_ETHTOOL, 1, [Define to enable ethtool stats.])])
+
# Check where to install the systemd .service file
AS_IF([test "x$with_systemd" = "xyes" -o "x$with_systemd" = "xauto"], [
def_systemd=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
@@ -129,6 +137,7 @@ cat <<EOF
vendor OID........: $vendor
ipv6..............: $enable_ipv6
mini-snmpd.conf...: $with_config
+ max interfaces....: $with_interfaces
demo mode.........: $enable_demo
systemd...........: $with_systemd
ethtool stats.....: $enable_ethtool
--- a/mini-snmpd.h
+++ b/mini-snmpd.h
@@ -38,7 +38,6 @@
#define MAX_NR_OIDS 20
#define MAX_NR_SUBIDS 20
#define MAX_NR_DISKS 4
-#define MAX_NR_INTERFACES 8
#define MAX_NR_VALUES 2048
#define MAX_PACKET_SIZE 2048
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