From: mans@mansr.com (Måns Rullgård)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v2 0/2] nb8800 suspend/resume support
Date: Thu, 03 Aug 2017 13:19:41 +0100 [thread overview]
Message-ID: <yw1xy3r0g7xe.fsf@mansr.com> (raw)
In-Reply-To: <c1aeaa45-de6a-e643-8765-7dad58a8b038@free.fr> (Mason's message of "Thu, 3 Aug 2017 10:34:31 +0200")
Mason <slash.tmp@free.fr> writes:
> IIUC, sender (desktop system) sends datagrams as fast as possible.
> Receiver (tango board) drops around 24% of all datagrams.
> I think this invalidates the theory that exhausting RX descriptors
> wedges RX DMA.
No, it doesn't. The bottleneck causing packet loss could be somewhere
else.
--
M?ns Rullg?rd
WARNING: multiple messages have this Message-ID (diff)
From: "Måns Rullgård" <mans@mansr.com>
To: Mason <slash.tmp@free.fr>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
David Miller <davem@davemloft.net>,
netdev <netdev@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC PATCH v2 0/2] nb8800 suspend/resume support
Date: Thu, 03 Aug 2017 13:19:41 +0100 [thread overview]
Message-ID: <yw1xy3r0g7xe.fsf@mansr.com> (raw)
In-Reply-To: <c1aeaa45-de6a-e643-8765-7dad58a8b038@free.fr> (Mason's message of "Thu, 3 Aug 2017 10:34:31 +0200")
Mason <slash.tmp@free.fr> writes:
> IIUC, sender (desktop system) sends datagrams as fast as possible.
> Receiver (tango board) drops around 24% of all datagrams.
> I think this invalidates the theory that exhausting RX descriptors
> wedges RX DMA.
No, it doesn't. The bottleneck causing packet loss could be somewhere
else.
--
Måns Rullgård
next prev parent reply other threads:[~2017-08-03 12:19 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-01 16:32 [RFC PATCH v2 0/2] nb8800 suspend/resume support Mason
2017-08-01 16:32 ` Mason
2017-08-01 16:37 ` [RFC PATCH v2 1/2] net: ethernet: nb8800: Reset HW block in ndo_open Mason
2017-08-01 16:37 ` Mason
2017-08-02 11:02 ` Måns Rullgård
2017-08-02 11:02 ` Måns Rullgård
2017-08-02 11:54 ` Mason
2017-08-02 11:54 ` Mason
2017-08-02 13:54 ` Andrew Lunn
2017-08-02 13:54 ` Andrew Lunn
2017-08-02 14:33 ` Måns Rullgård
2017-08-02 14:33 ` Måns Rullgård
2017-08-01 16:43 ` [RFC PATCH v2 2/2] net: ethernet: nb8800: Add suspend/resume support Mason
2017-08-01 16:43 ` Mason
2017-08-02 14:41 ` [RFC PATCH v2 0/2] nb8800 " Mason
2017-08-02 14:41 ` Mason
2017-08-02 15:26 ` Mason
2017-08-02 15:26 ` Mason
2017-08-02 15:36 ` Måns Rullgård
2017-08-02 15:36 ` Måns Rullgård
2017-08-02 15:52 ` Mason
2017-08-02 15:52 ` Mason
2017-08-02 15:56 ` Måns Rullgård
2017-08-02 15:56 ` Måns Rullgård
2017-08-02 16:07 ` Mason
2017-08-02 16:07 ` Mason
2017-08-02 16:10 ` Måns Rullgård
2017-08-02 16:10 ` Måns Rullgård
2017-08-02 16:19 ` David Laight
2017-08-02 16:19 ` David Laight
2017-08-02 16:39 ` Mason
2017-08-02 16:39 ` Mason
2017-08-02 16:43 ` Måns Rullgård
2017-08-02 16:43 ` Måns Rullgård
2017-08-02 17:31 ` Mason
2017-08-02 17:31 ` Mason
2017-08-02 20:02 ` Mason
2017-08-02 20:02 ` Mason
2017-08-03 8:34 ` Mason
2017-08-03 8:34 ` Mason
2017-08-03 12:19 ` Måns Rullgård [this message]
2017-08-03 12:19 ` Måns Rullgård
2017-08-03 12:18 ` Måns Rullgård
2017-08-03 12:18 ` Måns Rullgård
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