From: Erik Hugne <erik.hugne@ericsson.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Jon Maloy <jon.maloy@ericsson.com>,
"ying.xue@windriver.com" <ying.xue@windriver.com>,
"paul.gortmaker@windriver.com" <paul.gortmaker@windriver.com>
Subject: Re: [PATCH] tipc: flow control should not account for sk_rcvbuf
Date: Thu, 4 Oct 2012 11:59:11 +0200 [thread overview]
Message-ID: <506D5DEF.9050700@ericsson.com> (raw)
In-Reply-To: <1349342493.16011.32.camel@edumazet-glaptop>
> What guarantee do we have this cannot use all kernel memory ?
>
> If sk->sk_rcvbuf is not an acceptable limit here, you must use a
> different limit, but not infinity.
>
There is an implicit limit on how much data that can be buffered on each
socket, controlled by TIPC_FLOW_CONTROL_WIN.
This limit is:
TIPC_FLOW_CONTROL_WIN * 2 * TIPC_MAX_USER_MSG_SIZE
//E
next prev parent reply other threads:[~2012-10-04 9:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-04 9:14 [PATCH] tipc: flow control should not account for sk_rcvbuf erik.hugne
2012-10-04 9:21 ` Eric Dumazet
2012-10-04 9:59 ` Erik Hugne [this message]
2012-10-04 10:26 ` Eric Dumazet
2012-10-04 12:12 ` Erik Hugne
2012-10-04 13:55 ` Eric Dumazet
2012-10-04 15:00 ` [PATCH v2] tipc: prevent dropped connections due to rcvbuf overflow erik.hugne
2012-10-04 19:55 ` David Miller
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