Re: [PATCH v3] sky2: receive dma mapping error handling

From: Stephen Hemminger
Date: Mon Feb 01 2010 - 17:30:04 EST


On Mon, 1 Feb 2010 22:27:41 +0100
Jarek Poplawski <jarkao2@xxxxxxxxx> wrote:

> @@ -1038,13 +1035,14 @@ static void tx_init(struct sky2_port *sky2)
> {
> struct sky2_tx_le *le;
>
> - sky2->tx_prod = sky2->tx_cons = 0;
> + sky2->tx_prod = 0;
> sky2->tx_tcpsum = 0;
> sky2->tx_last_mss = 0;
>
> le = get_tx_le(sky2, &sky2->tx_prod);
> le->addr = 0;
> le->opcode = OP_ADDR64 | HW_OWNER;
> + sky2->tx_cons = sky2->tx_prod;
> sky2->tx_last_upper = 0;
> }

Your change causes the initial element to be skipped. I want
it to goto the hardware. It makes sure the upper bits of the
first request are set (0).

I don't see what was wrong with my fix.

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