[dpdk-dev] [PATCH v3] net/ixgbe: add support of 2.5G and 5G on X550

Lu, Wenzhuo wenzhuo.lu at intel.com
Wed Jul 26 17:01:37 CEST 2017


Hi Wei,

> -----Original Message-----
> From: Dai, Wei
> Sent: Wednesday, July 26, 2017 10:43 AM
> To: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Ananyev, Konstantin
> <konstantin.ananyev at intel.com>
> Cc: dev at dpdk.org; Dai, Wei <wei.dai at intel.com>
> Subject: [PATCH v3] net/ixgbe: add support of 2.5G and 5G on X550
> 
> This patch adds support of 2.5G and 5G ethernet interface on X550.
> 
> Signed-off-by: Wei Dai <wei.dai at intel.com>
> ---
>  drivers/net/ixgbe/base/ixgbe_type.h |  5 +++++
>  drivers/net/ixgbe/ixgbe_ethdev.c    | 24 ++++++++++++++++++++++++
>  2 files changed, 29 insertions(+)
> 
> diff --git a/drivers/net/ixgbe/base/ixgbe_type.h
> b/drivers/net/ixgbe/base/ixgbe_type.h
> index bda8558..3fd5425 100644
> --- a/drivers/net/ixgbe/base/ixgbe_type.h
> +++ b/drivers/net/ixgbe/base/ixgbe_type.h
> @@ -3408,6 +3408,11 @@ typedef u32 ixgbe_link_speed;
>  #define IXGBE_LINK_SPEED_82599_AUTONEG
> 	(IXGBE_LINK_SPEED_100_FULL | \
>  					 IXGBE_LINK_SPEED_1GB_FULL | \
>  					 IXGBE_LINK_SPEED_10GB_FULL)
> +#define IXGBE_LINK_SPEED_X550_AUTONEG
> 	(IXGBE_LINK_SPEED_100_FULL | \
> +					IXGBE_LINK_SPEED_1GB_FULL | \
> +					IXGBE_LINK_SPEED_2_5GB_FULL | \
> +					IXGBE_LINK_SPEED_5GB_FULL | \
> +					IXGBE_LINK_SPEED_10GB_FULL)
> 
>  /* Physical layer type */
>  typedef u64 ixgbe_physical_layer;
> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> b/drivers/net/ixgbe/ixgbe_ethdev.c
> index 194058f..bafe7f4 100644
> --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> @@ -2650,6 +2650,22 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
>  		speed = (hw->mac.type != ixgbe_mac_82598EB) ?
>  				IXGBE_LINK_SPEED_82599_AUTONEG :
>  				IXGBE_LINK_SPEED_82598_AUTONEG;
A little confused here. I saw you erased these 3 lines of code in the previous version. Suppose it's better to remove them, right?

> +		switch (hw->mac.type) {
> +		case ixgbe_mac_82598EB:
> +			speed = IXGBE_LINK_SPEED_82598_AUTONEG;
> +			break;
> +		case ixgbe_mac_82599EB:
> +		case ixgbe_mac_X540:
> +			speed = IXGBE_LINK_SPEED_82599_AUTONEG;
> +			break;
> +		case ixgbe_mac_X550:
> +		case ixgbe_mac_X550EM_x:
> +		case ixgbe_mac_X550EM_a:
> +			speed = IXGBE_LINK_SPEED_X550_AUTONEG;
> +			break;
> +		default:
> +			speed = IXGBE_LINK_SPEED_82599_AUTONEG;
> +		}
>  	} else {
>  		if (*link_speeds & ETH_LINK_SPEED_10G)
>  			speed |= IXGBE_LINK_SPEED_10GB_FULL; @@ -
> 3972,6 +3988,14 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
>  		link.link_speed = ETH_SPEED_NUM_1G;
>  		break;
> 
> +	case IXGBE_LINK_SPEED_2_5GB_FULL:
> +		link.link_speed = ETH_SPEED_NUM_2_5G;
> +		break;
> +
> +	case IXGBE_LINK_SPEED_5GB_FULL:
> +		link.link_speed = ETH_SPEED_NUM_5G;
> +		break;
> +
>  	case IXGBE_LINK_SPEED_10GB_FULL:
>  		link.link_speed = ETH_SPEED_NUM_10G;
>  		break;
> --
> 2.7.5



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