netdev - Re: [PATCH] ip: find correct route for socket which is not bound (v2)

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Message-Id: <20150924.142228.132445616196971304.davem@davemloft.net>
Date:	Thu, 24 Sep 2015 14:22:28 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	wen.gang.wang@...cle.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] ip: find correct route for socket which is not bound
 (v2)

From: Wengang Wang <wen.gang.wang@...cle.com>
Date: Mon, 21 Sep 2015 16:00:09 +0800

> This is the v2, comparing the v1, the changes is:
>  * for loopback outbound device, it continue skipping cached route;
>    for others, it goes through the cached route.

There are many things I want you to clean up in your commit message.

> For multi-cast, we should find valid route(thus get the meaniful pmtu) for
> the package on the socket which is not bound to a device(sk_bound_dev_if
> being 0) too.

Please use the term "packet" rather than "package".  Gifts you receive
from a friend might be in a "package", but data is sent onto a network
inside of "packets".

> A problem is hit that all multi-cast packages dropped by kernel(from sender

"multicast" is a single word.

> host). The lower layer is IPoIB with MTU being 7000. And I was sending 4096
> length multi-cast  package. In side IPoIB the first send is dropped because

"Inside" is one word.
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