From: David Miller <davem@davemloft.net>
To: sjur.brandeland@stericsson.com
Cc: linux-kernel@vger.kernel.org, linus.walleij@linaro.org,
sjurbren@gmail.com, pebolle@tiscali.nl, netdev@vger.kernel.org
Subject: Re: [RFCv2 9/9] caif-xshm: Add CAIF driver for Shared memory for M7400
Date: Tue, 29 Nov 2011 14:47:25 -0500 (EST) [thread overview]
Message-ID: <20111129.144725.183069721.davem@davemloft.net> (raw)
In-Reply-To: <1322595550-6473-10-git-send-email-sjur.brandeland@stericsson.com>
From: Sjur Brændeland <sjur.brandeland@stericsson.com>
Date: Tue, 29 Nov 2011 20:39:10 +0100
> This patch introduces a caif shared memory link layer driver
> for ST-Ericsson's Thor M7400 LTE modem.
>
> M7400 uses a ring-buffer in shared memory for transporting data from the modem.
> Each ring-buffer element contains an array of caif frames. caif_xshm calls
> napi_schedule() when receiving notification about incoming data.
> The napi-poll function copies data from the ring-buffer to SKBs until
> ring-buffer is empty, or quota is exceeded.
>
> If transmit ring-buffer is full, it also uses napi for scheduling transmission
> of queued transmit buffer.
>
> Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
> cc: netdev@vger.kernel.org
I'm happy for this to go into the tree where the necessary xshm infrastructure
goes first:
Acked-by: David S. Miller <davem@davemloft.net>
next prev parent reply other threads:[~2011-11-29 19:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1322595550-6473-1-git-send-email-sjur.brandeland@stericsson.com>
2011-11-29 19:39 ` [RFCv2 9/9] caif-xshm: Add CAIF driver for Shared memory for M7400 Sjur Brændeland
2011-11-29 19:47 ` David Miller [this message]
2011-12-02 11:50 ` Paul Bolle
2011-12-05 9:43 ` Sjur BRENDELAND
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