From: David Miller <davem@davemloft.net>
To: mugunthanvnm@ti.com
Cc: netdev@vger.kernel.org
Subject: Re: [net-next PATCH] net: ipv4: increase dhcp inter device timeout
Date: Wed, 12 Aug 2015 16:40:41 -0700 (PDT) [thread overview]
Message-ID: <20150812.164041.1772250761467753718.davem@davemloft.net> (raw)
In-Reply-To: <1439373703-31620-1-git-send-email-mugunthanvnm@ti.com>
From: Mugunthan V N <mugunthanvnm@ti.com>
Date: Wed, 12 Aug 2015 15:31:43 +0530
> When a system has multiple ethernet devices and during DHCP
> request (for using NFS), the system waits only for HZ/2 which is
> 500mS before switching to another interface for DHCP.
>
> There are some routers (Ex: Trendnet routers) which responds to
> DHCP request at about 560mS. When the system has only one
> ethernet interface there is no issue as the timeout is 2S and the
> dev xid doesn't changes and only retries.
>
> But when the system has multiple Ethernet like DRA74x with CPSW
> in dual EMAC mode, the DHCP response is dropped as the dev xid
> changes while shifting to the next device. So changing inter
> device timeout to HZ (which is 1S).
>
> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Applied, thanks.
prev parent reply other threads:[~2015-08-12 23:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 10:01 [net-next PATCH] net: ipv4: increase dhcp inter device timeout Mugunthan V N
2015-08-12 23:40 ` David Miller [this message]
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