Re: [dpdk-stable] [PATCH] net/e1000: fix vf received problem

["Lu, Wenzhuo" <wenzhuo.lu@intel.com>]

Hi Qiming,


> -----Original Message-----
> From: Yang, Qiming
> Sent: Thursday, April 27, 2017 1:07 PM
> To: dev@dpdk.org
> Cc: Lu, Wenzhuo; stable@dpdk.org; Yang, Qiming
> Subject: [PATCH] net/e1000: fix vf received problem
> 
> VF default MAC address be added in PF Mac address list instead of VF MAC
> address list, makes VF can't recieve packets. This patch fixes this issue.
> 
> Fixes: be2d648a2dd3 ("igb: add PF support")
> 
> Signed-off-by: Qiming Yang <qiming.yang@intel.com>
> ---
>  drivers/net/e1000/igb_pf.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/net/e1000/igb_pf.c b/drivers/net/e1000/igb_pf.c index
> 67da3c2..1a70ad5 100644
> --- a/drivers/net/e1000/igb_pf.c
> +++ b/drivers/net/e1000/igb_pf.c
> @@ -338,6 +338,9 @@ igb_vf_set_mac_addr(struct rte_eth_dev *dev,
> uint32_t vf, uint32_t *msgbuf)
>  			rte_memcpy(vfinfo[vf].vf_mac_addresses, new_mac,
>  				sizeof(vfinfo[vf].vf_mac_addresses));
>  		hw->mac.ops.rar_set(hw, new_mac, rar_entry);
> +		int rah = E1000_READ_REG(hw, E1000_RAH(rar_entry));
Looks a little weird to define rah here. Would you like to move it to the beginning? Thanks.

> +		rah |= (0x1 << (E1000_RAH_POOLSEL_SHIFT + vf));
> +		E1000_WRITE_REG(hw, E1000_RAH(rar_entry), rah);
>  		return 0;
>  	}
>  	return -1;
> --
> 2.7.4