netdev - Re: [PATCH net-next] net: bcmgenet: rework Rx queue init

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Message-Id: <20150307.223303.2269656985860547081.davem@davemloft.net>
Date:	Sat, 07 Mar 2015 22:33:03 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	pgynther@...gle.com
Cc:	netdev@...r.kernel.org, f.fainelli@...il.com
Subject: Re: [PATCH net-next] net: bcmgenet: rework Rx queue init

From: Petri Gynther <pgynther@...gle.com>
Date: Fri,  6 Mar 2015 13:45:00 -0800 (PST)

> In preparation for supporting multiple Rx queues:
> 1. Move the initialization of priv->num_rx_bds, priv->rx_bds, and
>    priv->rx_cbs from bcmgenet_init_rx_ring() to bcmgenet_init_dma()
>    since they are not specific to a single Rx queue. Mimics the Tx
>    init model where priv->num_tx_bds, priv->tx_bds, and priv->tx_cbs
>    are initialized in bcmgenet_init_dma().
> 2. Program DMA_MBUF_DONE_THRESH = 1 so that future Rx queues Q0-Q15
>    will get per-packet Rx interrupt.
> 3. Group DMA_START_ADDR, RDMA_READ_PTR, RDMA_WRITE_PTR, and DMA_END_ADDR
>    initialization together. Mimics the Tx init model.
> 4. There is 1-to-1 mapping between RxCBs and RxBDs.
>    Precalculate RxCB->bd_addr so that it can be used in the future.
> 
> Signed-off-by: Petri Gynther <pgynther@...gle.com>

Applied, thanks.
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