[PATCH] ixp4xx: Support the all multicast flag on the NPE devices.

[Krzysztof Halasa]

Richard Cochran <richardcochran at gmail.com> writes:

> This patch adds support for the IFF_ALLMULTI flag. Previously only the
> IFF_PROMISC flag was supported.
>
> Signed-off-by: Richard Cochran <richard.cochran at omicron.at>
> ---
>  drivers/net/arm/ixp4xx_eth.c |   11 +++++++++++
>  1 files changed, 11 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
> index 6be8b09..5d35064 100644
> --- a/drivers/net/arm/ixp4xx_eth.c
> +++ b/drivers/net/arm/ixp4xx_eth.c
> @@ -739,6 +739,17 @@ static void eth_set_mcast_list(struct net_device *dev)
>  	struct dev_mc_list *mclist;
>  	u8 diffs[ETH_ALEN], *addr;
>  	int i;
> +	u8 allmulti[] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 };
> +
> +	if (dev->flags & IFF_ALLMULTI) {
> +		for (i = 0; i < ETH_ALEN; i++) {
> +			__raw_writel(allmulti[i], &port->regs->mcast_addr[i]);
> +			__raw_writel(allmulti[i], &port->regs->mcast_mask[i]);
> +		}
> +		__raw_writel(DEFAULT_RX_CNTRL0 | RX_CNTRL0_ADDR_FLTR_EN,
> +			&port->regs->rx_control[0]);
> +		return;
> +	}

Looks good, though I'd prefer a bit of "const" and "static" in the
allmulti[] declaration. Would you please repost? TIA.
-- 
Krzysztof Halasa