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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Xiao Wang <xiao.w.wang@intel.com>, wenzhuo.lu@intel.com
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 18/39] net/ixgbe/base: fix check on NACK
Date: Mon, 19 Sep 2016 18:07:15 +0100	[thread overview]
Message-ID: <0b71b81e-a025-bbc4-ad9d-1a14c0962735@intel.com> (raw)
In-Reply-To: <1472312902-16963-19-git-send-email-xiao.w.wang@intel.com>

On 8/27/2016 4:48 PM, Xiao Wang wrote:
> Previously we checked only msgbuf[0] for

"return buffer" instead of msgbuf[0] ?

> (IXGBE_VF_SET_MACVLAN |  IXGBE_VT_MSGTYPE_NACK), but this would not
> work if index != 0 and as a result NACK will not be detected.

"write buffer is not 0" instead of "index != 0"

> 

Function also starts using ixgbevf_write_msg_read_ack() instead of
separate write and read, is it possible to fix NACK only in this patch,
and do ixgbevf_write_msg_read_ack() switch in patch 27/39.
If prefer to keep in this patch, please mention about this switch in
comment log.

> Fixes: af75078fece3 ("first public release")
> 
> Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> ---
>  drivers/net/ixgbe/base/ixgbe_vf.c | 18 ++++++++----------
>  1 file changed, 8 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/net/ixgbe/base/ixgbe_vf.c b/drivers/net/ixgbe/base/ixgbe_vf.c
> index c0fedea..f60ff7d 100644
> --- a/drivers/net/ixgbe/base/ixgbe_vf.c
> +++ b/drivers/net/ixgbe/base/ixgbe_vf.c
> @@ -529,8 +529,7 @@ s32 ixgbe_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr)
>  
>  s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
>  {
> -	struct ixgbe_mbx_info *mbx = &hw->mbx;
> -	u32 msgbuf[3];
> +	u32 msgbuf[3], msgbuf_chk;
>  	u8 *msg_addr = (u8 *)(&msgbuf[1]);
>  	s32 ret_val;
>  
> @@ -543,18 +542,17 @@ s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
>  	 */
>  	msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT;
>  	msgbuf[0] |= IXGBE_VF_SET_MACVLAN;
> +	msgbuf_chk = msgbuf[0];
>  	if (addr)
>  		memcpy(msg_addr, addr, 6);
> -	ret_val = mbx->ops.write_posted(hw, msgbuf, 3, 0);
>  
> -	if (!ret_val)
> -		ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0);
> +	ret_val = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 3);
> +	if (!ret_val) {
> +		msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
>  
> -	msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
> -
> -	if (!ret_val)
> -		if (msgbuf[0] == (IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK))
> -			ret_val = IXGBE_ERR_OUT_OF_MEM;
> +		if (msgbuf[0] == (msgbuf_chk | IXGBE_VT_MSGTYPE_NACK))
> +			return IXGBE_ERR_OUT_OF_MEM;

What about following instead of introducing msgbuf_chk:

if ((msgbuf[0] & IXGBE_VF_SET_MACVLAN) &&
	    (msgbuf[0] & IXGBE_VT_MSGTYPE_NACK))

Please check patch 15/39

> +	}
>  
>  	return ret_val;
>  }
> 

  reply	other threads:[~2016-09-19 17:07 UTC|newest]

Thread overview: 107+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-27 15:47 [dpdk-dev] [PATCH 00/39] net/ixgbe: base code update Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 01/39] net/ixgbe/base: fix delta check for setting VFTA Xiao Wang
2016-09-19 17:00   ` Ferruh Yigit
2016-09-22 15:58     ` Wang, Xiao W
2016-09-25  8:59   ` [dpdk-dev] [PATCH v2 00/40] net/ixgbe: base code update Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 01/40] net/ixgbe/base: fix delta check for setting VFTA Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 02/40] net/ixgbe/base: remove X550em SFP iXFI setup Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 03/40] net/ixgbe/base: change endianness of PHY data Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 04/40] net/ixgbe/base: add X550em_a 10G PHY support Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 05/40] net/ixgbe/base: move vf_update_xcast_mode to base code Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 06/40] net/ixgbe/base: introduce new ops init functions Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 07/40] net/ixgbe/base: separate PHY probe code Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 08/40] net/ixgbe/base: fully initialize X550em_a 1G PHYs Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 09/40] net/ixgbe/base: add macros for VF promiscuous mode Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 10/40] net/ixgbe/base: add FC setup for X550em_a fiber Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 11/40] net/ixgbe/base: add FC autoneg " Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 12/40] net/ixgbe/base: clear page register in error path Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 13/40] net/ixgbe/base: configure DMAC for 10Mb operation Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 14/40] net/ixgbe/base: fix function comments about X550 Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 15/40] net/ixgbe/base: report setting LPE register error Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 16/40] net/ixgbe/base: bump mailbox version Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 17/40] net/ixgbe/base: access IOSF by host interface Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 18/40] net/ixgbe/base: fix check on NACK Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 19/40] net/ixgbe/base: define X550 PCIe serial MAC addr Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 20/40] net/ixgbe/base: bypass checking link for crosstalk Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 21/40] net/ixgbe/base: support X550em_a SGMII FC autoneg Xiao Wang
2016-09-25  8:59     ` [dpdk-dev] [PATCH v2 22/40] net/ixgbe/base: add macros for GENEVE UDP port Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 23/40] net/ixgbe/base: add bound check in LED functions Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 24/40] net/ixgbe/base: use default check link function Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 25/40] net/ixgbe/base: set default autoneg speed at reset Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 26/40] net/ixgbe/base: add missing FDIRSCTPM mask setting Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 27/40] net/ixgbe/base: commonize mailbox write and read Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 28/40] net/ixgbe/base: reduce delay for SWFW semaphore Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 29/40] net/ixgbe/base: report autoneg supported for X550 Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 30/40] net/ixgbe/base: remove X550em_a 100Mbps support Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 31/40] net/ixgbe/base: unify link speed value Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 32/40] net/ixgbe/base: separate ops init from PHY init Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 33/40] net/ixgbe/base: add X550em_a FW ALEF support Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 34/40] net/ixgbe/base: add two MAC ops for Hyper-V Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 35/40] net/ixgbe/base: hold semaphore for shadow RAM access Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 36/40] net/ixgbe/base: update X550em_a backplane speed Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 37/40] net/ixgbe/base: clean code of flow control autoneg Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 38/40] net/ixgbe/base: do not skip PHY configuration Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 39/40] net/ixgbe/base: clean up Xiao Wang
2016-09-25  9:00     ` [dpdk-dev] [PATCH v2 40/40] net/ixgbe/base: add base driver update brief Xiao Wang
2016-09-26  2:06     ` [dpdk-dev] [PATCH v2 00/40] net/ixgbe: base code update Lu, Wenzhuo
2016-09-28 15:31       ` Bruce Richardson
2016-08-27 15:47 ` [dpdk-dev] [PATCH 02/39] net/ixgbe/base: remove X550em SFP iXFI setup Xiao Wang
2016-09-19 17:01   ` Ferruh Yigit
2016-08-27 15:47 ` [dpdk-dev] [PATCH 03/39] net/ixgbe/base: change endianness of PHY data Xiao Wang
2016-09-19 17:01   ` Ferruh Yigit
2016-09-25  0:36     ` Wang, Xiao W
2016-08-27 15:47 ` [dpdk-dev] [PATCH 04/39] net/ixgbe/base: add X550em_a 10G PHY support Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 05/39] net/ixgbe/base: support VF multicast promiscuous Xiao Wang
2016-09-19 17:05   ` Ferruh Yigit
2016-09-23  3:35     ` Wang, Xiao W
2016-08-27 15:47 ` [dpdk-dev] [PATCH 06/39] net/ixgbe/base: introduce new ops init functions Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 07/39] net/ixgbe/base: separate PHY probe code Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 08/39] net/ixgbe/base: fully initialize X550em_a 1G PHYs Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 09/39] net/ixgbe/base: add macros for VF promiscuous mode Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 10/39] net/ixgbe/base: add FC setup for X550em_a fiber Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 11/39] net/ixgbe/base: add FC autoneg " Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 12/39] net/ixgbe/base: clear page register in error path Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 13/39] net/ixgbe/base: configure DMAC for 10Mb operation Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 14/39] net/ixgbe/base: fix function comments about X550 Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 15/39] net/ixgbe/base: report setting LPE register error Xiao Wang
2016-08-27 15:47 ` [dpdk-dev] [PATCH 16/39] net/ixgbe/base: bump mailbox version Xiao Wang
2016-09-19 17:03   ` Ferruh Yigit
2016-09-23  3:50     ` Wang, Xiao W
2016-08-27 15:48 ` [dpdk-dev] [PATCH 17/39] net/ixgbe/base: access IOSF by host interface Xiao Wang
2016-09-19 17:04   ` Ferruh Yigit
2016-09-23  5:16     ` Wang, Xiao W
2016-08-27 15:48 ` [dpdk-dev] [PATCH 18/39] net/ixgbe/base: fix check on NACK Xiao Wang
2016-09-19 17:07   ` Ferruh Yigit [this message]
2016-09-23  6:05     ` Wang, Xiao W
2016-08-27 15:48 ` [dpdk-dev] [PATCH 19/39] net/ixgbe/base: define X550 PCIe serial MAC addr Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 20/39] net/ixgbe/base: bypass checking link for crosstalk Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 21/39] net/ixgbe/base: support X550em_a SGMII FC autoneg Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 22/39] net/ixgbe/base: add macros for GENEVE UDP port Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 23/39] net/ixgbe/base: add bound check in LED functions Xiao Wang
2016-09-19 17:06   ` Ferruh Yigit
2016-09-22 16:08     ` Wang, Xiao W
2016-08-27 15:48 ` [dpdk-dev] [PATCH 24/39] net/ixgbe/base: use default check link function Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 25/39] net/ixgbe/base: set default autoneg speed at reset Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 26/39] net/ixgbe/base: add missing FDIRSCTPM mask setting Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 27/39] net/ixgbe/base: commonize mailbox write and read Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 28/39] net/ixgbe/base: reduce delay for SWFW semaphore Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 29/39] net/ixgbe/base: report autoneg supported for X550 Xiao Wang
2016-09-19 17:07   ` Ferruh Yigit
2016-09-23  0:59     ` Wang, Xiao W
2016-08-27 15:48 ` [dpdk-dev] [PATCH 30/39] net/ixgbe/base: remove X550em_a 100Mbps support Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 31/39] net/ixgbe/base: unify link speed value Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 32/39] net/ixgbe/base: separate ops init from PHY init Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 33/39] net/ixgbe/base: add X550em_a FW ALEF support Xiao Wang
2016-09-19 17:07   ` Ferruh Yigit
2016-09-22  2:56     ` Lu, Wenzhuo
2016-09-23  6:47       ` Wang, Xiao W
2016-08-27 15:48 ` [dpdk-dev] [PATCH 34/39] net/ixgbe/base: add two MAC ops for Hyper-V Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 35/39] net/ixgbe/base: hold semaphore for shadow RAM access Xiao Wang
2016-09-19 17:08   ` Ferruh Yigit
2016-09-23  8:06     ` Wang, Xiao W
2016-08-27 15:48 ` [dpdk-dev] [PATCH 36/39] net/ixgbe/base: update X550em_a backplane speed Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 37/39] net/ixgbe/base: clean code of flow control autoneg Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 38/39] net/ixgbe/base: do not skip PHY configuration Xiao Wang
2016-08-27 15:48 ` [dpdk-dev] [PATCH 39/39] net/ixgbe/base: add base driver update brief Xiao Wang
2016-09-19 17:08   ` Ferruh Yigit
2016-09-22  2:55     ` Lu, Wenzhuo

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