netdev - Re: [tipc-discussion][net-next v1] tipc: introduce new socket option TIPC_SOCK_RECVQ

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Message-Id: <20190419.144044.69245687286795279.davem@davemloft.net>
Date:   Fri, 19 Apr 2019 14:40:44 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     tung.q.nguyen@...tech.com.au
Cc:     netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net
Subject: Re: [tipc-discussion][net-next v1] tipc: introduce new socket
 option TIPC_SOCK_RECVQ_USED

From: Tung Nguyen <tung.q.nguyen@...tech.com.au>
Date: Thu, 18 Apr 2019 21:02:19 +0700

> When using TIPC_SOCK_RECVQ_DEPTH for getsockopt(), it returns the
> number of buffers in receive socket buffer which is not so helpful
> for user space applications.
> 
> This commit introduces the new option TIPC_SOCK_RECVQ_USED which
> returns the current allocated bytes of the receive socket buffer.
> This helps user space applications dimension its buffer usage to
> avoid buffer overload issue.
> 
> Signed-off-by: Tung Nguyen <tung.q.nguyen@...tech.com.au>

TIPC folks, please review.