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

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  Re: [net-next v4 3/8] dpaa_eth: add support for S/G frames Joe Perches <joe@perches.com> - 2015-11-02 21:10 +0100
    RE: [net-next v4 3/8] dpaa_eth: add support for S/G frames Madalin-Cristian Bucur <madalin.bucur@freescale.com> - 2015-11-03 10:50 +0100

#1260925 — 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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#1261336

> -----Original Message-----
> From: Joe Perches [mailto:joe@perches.com]
> 
> 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?
> 

Thank you, I'll address this and the other observations you have sent.
The struct bm_buffer is defined in the Buffer Manager driver header file,
in include/soc/fsl/bman.h.

Madalin
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