From dd9ed984465845ba1807ad894b5cf81130230e40 Mon Sep 17 00:00:00 2001
From: ru <ru@FreeBSD.org>
Date: Sun, 11 Apr 2004 13:36:52 +0000
Subject: [PATCH] Added the new interface capability option for drivers that
 implement user-configurable polling(4) support.  Make ifconfig(8) aware of
 it.

Suggested by:	luigi
---
 sbin/ifconfig/ifconfig.8 | 10 +++++++++-
 sbin/ifconfig/ifconfig.c |  4 +++-
 sys/net/if.h             |  1 +
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index d3c0031d9960..2f47884c1020 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -28,7 +28,7 @@
 .\"     From: @(#)ifconfig.8	8.3 (Berkeley) 1/5/94
 .\" $FreeBSD$
 .\"
-.Dd March 30, 2004
+.Dd April 11, 2004
 .Dt IFCONFIG 8
 .Os
 .Sh NAME
@@ -332,6 +332,14 @@ support, the exact level of offloading varies between drivers.
 If the driver supports user-configurable checksum offloading,
 disable receive (or transmit) checksum offloading on the interface.
 These settings may not always be independent of each other.
+.It Cm polling
+If the driver has user-configurable
+.Xr polling 4
+support, select the polling mode on the interface.
+.It Fl polling
+If the driver has user-configurable
+.Xr polling 4
+support, select the interrupt mode on the interface.
 .It Cm tunnel Ar src_addr dest_addr
 (IP tunnel devices only.)
 Configure the physical source and destination address for IP tunnel
diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c
index 35c0597f662b..07722fe9edd9 100644
--- a/sbin/ifconfig/ifconfig.c
+++ b/sbin/ifconfig/ifconfig.c
@@ -283,6 +283,8 @@ struct	cmd {
 	{ "-txcsum",	-IFCAP_TXCSUM,	setifcap },
 	{ "netcons",	IFCAP_NETCONS,	setifcap },
 	{ "-netcons",	-IFCAP_NETCONS,	setifcap },
+	{ "polling",	IFCAP_POLLING,	setifcap },
+	{ "-polling",	-IFCAP_POLLING,	setifcap },
 	{ "normal",	-IFF_LINK0,	setifflags },
 	{ "compress",	IFF_LINK0,	setifflags },
 	{ "noicmp",	IFF_LINK1,	setifflags },
@@ -1074,7 +1076,7 @@ setifname(const char *val, int dummy __unused, int s,
 "\20MULTICAST\21POLLING\23MONITOR\24STATICARP"
 
 #define	IFCAPBITS \
-"\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU"
+"\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU\7POLLING"
 
 /*
  * Print the status of the interface.  If an address family was
diff --git a/sys/net/if.h b/sys/net/if.h
index 62f4f9232e48..625dfe0750d8 100644
--- a/sys/net/if.h
+++ b/sys/net/if.h
@@ -169,6 +169,7 @@ struct if_data {
 #define	IFCAP_VLAN_MTU		0x0008	/* VLAN-compatible MTU */
 #define	IFCAP_VLAN_HWTAGGING	0x0010	/* hardware VLAN tag support */
 #define	IFCAP_JUMBO_MTU		0x0020	/* 9000 byte MTU supported */
+#define	IFCAP_POLLING		0x0040	/* driver supports polling */
 
 #define IFCAP_HWCSUM		(IFCAP_RXCSUM | IFCAP_TXCSUM)