[dpdk-dev] [PATCH] net/e1000: fix vf received problem
Lu, Wenzhuo
wenzhuo.lu at intel.com
Thu Apr 27 07:41:29 CEST 2017
Hi Qiming,
> -----Original Message-----
> From: Yang, Qiming
> Sent: Thursday, April 27, 2017 1:07 PM
> To: dev at dpdk.org
> Cc: Lu, Wenzhuo; stable at 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 at 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
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