Re: [PATCH 2/3] net: lpc_eth: Increase number of TX descriptors

Eric Dumazet
2012-06-11T08:22:04Z

On Mon, 2012-06-11 at 10:03 +0200, Roland Stigge wrote:
> Since we have enough SRAM, we can increase the number of TX descriptors, so the
> "BUSY" warning about occupied TX descriptors doesn't need to show up as often.
>
> Signed-off-by: Roland Stigge <stigge@antcom.de>
> Tested-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
>
> ---
> drivers/net/ethernet/nxp/lpc_eth.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- linux-2.6.orig/drivers/net/ethernet/nxp/lpc_eth.c
> +++ linux-2.6/drivers/net/ethernet/nxp/lpc_eth.c
> @@ -56,7 +56,7 @@
>
> #define ENET_MAXF_SIZE 1536
> #define ENET_RX_DESC 48
> -#define ENET_TX_DESC 16
> +#define ENET_TX_DESC 32
>
> #define NAPI_WEIGHT 16
>

Sorry, this is not the right fix.

You only lower probability of the bug.

What is this BUSY warning mentioned in changelog ?