linux-kernel - Re: [net-next v4 3/8] dpaa_eth: add support for S/G frames

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Date:	Mon, 02 Nov 2015 12:07:09 -0800
From:	Joe Perches <joe@...ches.com>
To:	madalin.bucur@...escale.com
Cc:	netdev@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, davem@...emloft.net,
	scottwood@...escale.com, igal.liberman@...escale.com,
	roy.pledge@...escale.com, ppc@...dchasers.com, pebolle@...cali.nl,
	joakim.tjernlund@...nsmode.se, gregkh@...uxfoundation.org
Subject: Re: [net-next v4 3/8] dpaa_eth: add support for S/G frames

On Mon, 2015-11-02 at 19:31 +0200, Madalin Bucur wrote:
> Add support for Scater/Gather (S/G) frames. The FMan can place
> the frame content into multiple buffers and provide a S/G Table
> (SGT) into one first buffer with references to the others.

trivia: scatter

> diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth_common.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth_common.c
[]
> @@ -1177,10 +1177,42 @@ void dpaa_eth_init_ports(struct mac_device *mac_dev,
>  			      port_fqs->rx_defq, &buf_layout[RX]);
>  }
>  
> +void dpa_release_sgt(struct qm_sg_entry *sgt)
> +{
> +	struct dpa_bp *dpa_bp;
> +	struct bm_buffer bmb[DPA_BUFF_RELEASE_MAX];

Where is "struct bm_buffer" defined?


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