netdev - Re: [PATCH net-next 1/8] cxgb4: Add support to recognize 40G links

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Date:	Wed, 19 Feb 2014 15:12:40 -0600
From:	Steve Wise <swise@...ngridcomputing.com>
To:	Hariprasad Shenai <hariprasad@...lsio.com>
CC:	netdev@...r.kernel.org, davem@...emloft.net, dm@...lsio.com,
	leedom@...lsio.com, nirranjan@...lsio.com, kumaras@...lsio.com,
	santosh@...lsio.com
Subject: Re: [PATCH net-next 1/8] cxgb4: Add support to recognize 40G links

On 2/18/2014 6:26 AM, Hariprasad Shenai wrote:
> From: Kumar Sanghvi <kumaras@...lsio.com>
>
> Also, create a new Common Code interface to translate Firmware Port Technology
> Type values (enum fw_port_type) to string descriptions.  This will allow us
> to maintain the description translation table in one place rather than in
> every driver.
>
> Based on original work by Scott Bardone and Casey Leedom <leedom@...lsio.com>
>
> Signed-off-by: Kumar Sanghvi <kumaras@...lsio.com>
> ---
>   drivers/net/ethernet/chelsio/cxgb4/cxgb4.h      |  2 +-
>   drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 24 +++++++++++------
>   drivers/net/ethernet/chelsio/cxgb4/t4_hw.c      | 35 ++++++++++++++++++++++++-
>   drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h   |  3 +++
>   4 files changed, 54 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
> index 1f4b9b3..0c4edd1 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
> +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
> @@ -957,7 +957,7 @@ int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
>   	       u64 *parity);
>   int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
>   		u64 *parity);
> -
> +const char *t4_get_port_type_description(enum fw_port_type port_type);
>   void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
>   void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
>   void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
> diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> index 43ab35f..ee2f123 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> @@ -432,6 +432,9 @@ static void link_report(struct net_device *dev)
>   		case SPEED_100:
>   			s = "100Mbps";
>   			break;
> +		case 40000: /* Need a SPEED_40000 in ethtool.h */
> +			s = "40Gbps";
> +			break;

You probably should add SPEED_40000 to include/uapi/linux/ethtool.h as 
part of this series.

Steve.
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