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From: David Ventura <david@davidv.dev>
To: david@davidv.dev
Cc: Jonathan Corbet <corbet@lwn.net>,
	"David S. Miller" <davem@davemloft.net>,
	David Ahern <dsahern@kernel.org>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Xiongwei Song <xiongwei.song@windriver.com>,
	linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org
Subject: [PATCH] net: Change default delay on IP autoconfig to 0ms
Date: Mon,  5 Feb 2024 16:55:43 +0100
Message-Id: <20240205155717.484198-1-david@davidv.dev>
In-Reply-To: <580001e3-17ef-4f24-8fd8-bc14110e874e@lunn.ch>
References: <580001e3-17ef-4f24-8fd8-bc14110e874e@lunn.ch>
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As suggested, I'm updating the default to 0ms. 

This patch depends on 1f0aa0c947eeb4edb60add141a5bc2309f2dc8dd ("
net: make driver settling time configurable").

Signed-off-by: David Ventura <david@davidv.dev>
---
 Documentation/admin-guide/nfs/nfsroot.rst | 2 +-
 net/ipv4/ipconfig.c                       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/nfs/nfsroot.rst b/Documentation/admin-guide/nfs/nfsroot.rst
index f26f7a342af6..fce610a4ec54 100644
--- a/Documentation/admin-guide/nfs/nfsroot.rst
+++ b/Documentation/admin-guide/nfs/nfsroot.rst
@@ -225,7 +225,7 @@ ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>:<dns
 
 ip.dev_wait_ms=<value>
   Set the number of milliseconds to delay after opening the network device
-  which will be autoconfigured. Defaults to 10 milliseconds.
+  which will be autoconfigured. Defaults to 0 milliseconds.
 
 nfsrootdebug
   This parameter enables debugging messages to appear in the kernel
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index cbf35163b973..8b7d08649b09 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -99,7 +99,7 @@
 
 /* Wait for carrier timeout default in seconds */
 static unsigned int carrier_timeout = 120;
-static unsigned int dev_wait_ms = 10;
+static unsigned int dev_wait_ms = 0;
 
 /*
  * Public IP configuration
-- 
2.39.2