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From: "Sun, GuinanX" <guinanx.sun@intel.com>
To: "Yigit, Ferruh" <ferruh.yigit@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Pietruszewski, Piotr" <piotr.pietruszewski@intel.com>
Subject: Re: [dpdk-dev] [PATCH 01/21] net/ixgbe/base: clear VFMBMEM and toggle VF's Tx queues
Date: Tue, 30 Jun 2020 01:57:17 +0000	[thread overview]
Message-ID: <05758BDAD7FC8E4BAED63D0390A8A95586B208@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <82635b4a-b256-9ff2-f812-999e3a54828e@intel.com>

Hi Ferruh

> -----Original Message-----
> From: Yigit, Ferruh
> Sent: Monday, June 22, 2020 7:59 PM
> To: Sun, GuinanX <guinanx.sun@intel.com>; dev@dpdk.org
> Cc: Pietruszewski, Piotr <piotr.pietruszewski@intel.com>
> Subject: Re: [dpdk-dev] [PATCH 01/21] net/ixgbe/base: clear VFMBMEM and
> toggle VF's Tx queues
> 
> On 6/12/2020 4:23 AM, Guinan Sun wrote:
> > Add a method to clear VFMBMEM memory.
> 
> Can you please give some context, what is "VFMBMEM memory", why need to
> clear it, etc...?
> 
> > Add a method to toggle VF's TX queues as workaround for silicon
> > errata.
> 
> 
> 'toggle' here means enable and disable the Tx queues right?
> Will this 'ixgbe_toggle_txdctl()' function used by the driver, if so better to have
> that change in the same patch to get the full context.
> 
> Are there two changes related to eachother, 'txdctl' & 'VFMBMEM ', if not can
> you please seperate them?
> 

Sorry, our commit message caused you confusion.
Later V2 patch will modify the commit information and explain'txdctl' &'VFMBMEM'.

> >
> > Signed-off-by: Piotr Pietruszewski <piotr.pietruszewski@intel.com>
> > Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
> 
> <...>
> 
> > +/**
> > + *  ixgbe_clear_mbx - Clear Mailbox Memory
> > + *  @hw: pointer to the HW structure
> > + *  @vf_number: id of mailbox to write
> > + *
> > + *  Set VFMBMEM of given VF to 0x0.
> > + **/
> > +s32 ixgbe_clear_mbx(struct ixgbe_hw *hw, u16 vf_number) {
> > +	struct ixgbe_mbx_info *mbx = &hw->mbx;
> > +	s32 ret_val = IXGBE_SUCCESS;
> > +
> > +	DEBUGFUNC("ixgbe_clear_mbx");
> > +
> > +	if (mbx->ops.clear)
> > +		ret_val = mbx->ops.clear(hw, vf_number);
> > +
> > +	return ret_val;
> > +}
> > +
> >  /**
> >   *  ixgbe_poll_for_msg - Wait for message notification
> >   *  @hw: pointer to the HW structure
> > @@ -486,6 +506,7 @@ void ixgbe_init_mbx_params_vf(struct ixgbe_hw *hw)
> >  	mbx->ops.check_for_msg = ixgbe_check_for_msg_vf;
> >  	mbx->ops.check_for_ack = ixgbe_check_for_ack_vf;
> >  	mbx->ops.check_for_rst = ixgbe_check_for_rst_vf;
> > +	mbx->ops.clear = NULL;
> 
> If it is not used why 'ixgbe_clear_mbx()' added?

  reply	other threads:[~2020-06-30  1:57 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-12  3:23 [dpdk-dev] [PATCH 00/21] update ixgbe base code Guinan Sun
2020-06-12  3:23 ` [dpdk-dev] [PATCH 01/21] net/ixgbe/base: clear VFMBMEM and toggle VF's Tx queues Guinan Sun
2020-06-22 11:58   ` Ferruh Yigit
2020-06-30  1:57     ` Sun, GuinanX [this message]
2020-06-12  3:23 ` [dpdk-dev] [PATCH 02/21] net/ixgbe/base: change in the condition for response HI Guinan Sun
2020-06-22 11:58   ` Ferruh Yigit
2020-06-29  9:27     ` Yang, Qiming
2020-06-30  2:17     ` Sun, GuinanX
2020-06-12  3:23 ` [dpdk-dev] [PATCH 03/21] net/ixgbe/base: hange flow for "Apply Update" command Guinan Sun
2020-06-22 11:58   ` Ferruh Yigit
2020-06-30  2:24     ` Sun, GuinanX
2020-06-12  3:23 ` [dpdk-dev] [PATCH 04/21] net/ixgbe/base: x550em 10G NIC driver issue Guinan Sun
2020-06-22 11:59   ` Ferruh Yigit
2020-07-01  2:54     ` Sun, GuinanX
2020-06-12  3:23 ` [dpdk-dev] [PATCH 05/21] net/ixgbe/base: added API for NVM update Guinan Sun
2020-06-22 11:59   ` Ferruh Yigit
2020-06-30  2:37     ` Sun, GuinanX
2020-06-12  3:23 ` [dpdk-dev] [PATCH 06/21] net/ixgbe/base: resolve infinite recursion on PCIe link down Guinan Sun
2020-06-12  3:23 ` [dpdk-dev] [PATCH 07/21] net/ixgbe/base: added register definitions for NVM update Guinan Sun
2020-06-12  3:23 ` [dpdk-dev] [PATCH 08/21] net/ixgbe/base: cleanup spelling mistakes in comments Guinan Sun
2020-06-12  3:23 ` [dpdk-dev] [PATCH 09/21] net/ixgbe/base: remove whitespace in function comments Guinan Sun
2020-06-12  3:23 ` [dpdk-dev] [PATCH 10/21] net/ixgbe/base: move increments after evaluations Guinan Sun
2020-06-22 11:59   ` Ferruh Yigit
2020-06-30  2:51     ` Sun, GuinanX
2020-06-12  3:24 ` [dpdk-dev] [PATCH 11/21] net/ixgbe/base: modify loop accounting for retries Guinan Sun
2020-06-22 11:59   ` Ferruh Yigit
2020-06-30  2:52     ` Sun, GuinanX
2020-06-12  3:24 ` [dpdk-dev] [PATCH 12/21] net/ixgbe/base: create dedicated func to restart auto nego Guinan Sun
2020-06-22 11:59   ` Ferruh Yigit
2020-06-12  3:24 ` [dpdk-dev] [PATCH 13/21] net/ixgbe/base: modify Klocwork hits for DDK 7.0 Guinan Sun
2020-06-22 12:00   ` Ferruh Yigit
2020-07-01  4:52     ` Sun, GuinanX
2020-06-12  3:24 ` [dpdk-dev] [PATCH 14/21] net/ixgbe/base: add defines for min rollback revision fields Guinan Sun
2020-06-22 12:00   ` Ferruh Yigit
2020-07-01  5:08     ` Sun, GuinanX
2020-06-12  3:24 ` [dpdk-dev] [PATCH 15/21] net/ixgbe/base: remove unnecessary log message FC autonego Guinan Sun
2020-06-12  3:24 ` [dpdk-dev] [PATCH 16/21] net/ixgbe/base: initialize data field in struct buffer Guinan Sun
2020-06-12  3:24 ` [dpdk-dev] [PATCH 17/21] net/ixgbe/base: improve log about autonego being disabled Guinan Sun
2020-06-22 12:00   ` Ferruh Yigit
2020-07-01  5:19     ` Sun, GuinanX
2020-06-12  3:24 ` [dpdk-dev] [PATCH 18/21] net/ixgbe/base: ipv6 Mask for purpose FDIR VLAN Port Feature Guinan Sun
2020-06-22 12:00   ` Ferruh Yigit
2020-07-01  5:21     ` Sun, GuinanX
2020-06-12  3:24 ` [dpdk-dev] [PATCH 19/21] net/ixgbe/base: remove default advertising for 2.5G and 5G Guinan Sun
2020-06-22 12:00   ` Ferruh Yigit
2020-07-01  6:24     ` Sun, GuinanX
2020-06-12  3:24 ` [dpdk-dev] [PATCH 20/21] net/ixgbe/base: check Host Interface Return Status Guinan Sun
2020-06-12  3:24 ` [dpdk-dev] [PATCH 21/21] net/ixgbe/base: update version Guinan Sun
2020-06-22 12:01   ` Ferruh Yigit
2020-07-01  6:27     ` Sun, GuinanX
2020-06-15  5:47 ` [dpdk-dev] [PATCH 00/21] update ixgbe base code Zhao1, Wei
2020-06-15  5:59   ` Sun, GuinanX
2020-06-22  2:42 ` Zhao1, Wei
2020-06-22  3:50   ` Zhang, Qi Z
2020-07-02  3:13 ` [dpdk-dev] [PATCH v2 00/20] " Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 01/20] net/ixgbe/base: toggle VF's Tx queues Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 02/20] net/ixgbe/base: add support to clear VFMBMEM Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 03/20] net/ixgbe/base: fix host interface shadow RAM read Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 04/20] net/ixgbe/base: change flow for "Apply Update" command Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 05/20] net/ixgbe/base: fix x550em 10G NIC link status report Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 06/20] net/ixgbe/base: resolve infinite recursion on PCIe link down Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 07/20] net/ixgbe/base: added register definitions for NVM update Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 08/20] net/ixgbe/base: cleanup spelling mistakes in comments Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 09/20] net/ixgbe/base: remove whitespace in function comments Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 10/20] net/ixgbe/base: move increments after evaluations Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 11/20] net/ixgbe/base: create dedicated func to restart auto nego Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 12/20] net/ixgbe/base: modify coding style Guinan Sun
2020-07-08 15:26     ` Ferruh Yigit
2020-07-09  7:58       ` Sun, GuinanX
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 13/20] net/ixgbe/base: remove unnecessary log message FC autonego Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 14/20] net/ixgbe/base: initialize data field in struct buffer Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 15/20] net/ixgbe/base: improve log about autonego being disabled Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 16/20] net/ixgbe/base: add ipv6 mask for FDIR feature Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 17/20] net/ixgbe/base: remove default advertising for x550 2.5G/5G Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 18/20] net/ixgbe/base: check host interface return status Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 19/20] net/ixgbe/base: cleanup pre-processor tags Guinan Sun
2020-07-02  3:13   ` [dpdk-dev] [PATCH v2 20/20] net/ixgbe/base: update version Guinan Sun
2020-07-08  0:50   ` [dpdk-dev] [PATCH v2 00/20] update ixgbe base code Zhang, Qi Z
2020-07-09  8:00   ` [dpdk-dev] [PATCH v3 00/19] " Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 01/19] net/ixgbe/base: fix host interface shadow RAM read Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 02/19] net/ixgbe/base: change flow for "Apply Update" command Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 03/19] net/ixgbe/base: fix x550em 10G NIC link status report Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 04/19] net/ixgbe/base: resolve infinite recursion on PCIe link down Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 05/19] net/ixgbe/base: added register definitions for NVM update Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 06/19] net/ixgbe/base: cleanup spelling mistakes in comments Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 07/19] net/ixgbe/base: remove whitespace in function comments Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 08/19] net/ixgbe/base: move increments after evaluations Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 09/19] net/ixgbe/base: create dedicated func to restart auto nego Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 10/19] net/ixgbe/base: add typecast for type mismatch Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 11/19] net/ixgbe/base: remove unnecessary return value check Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 12/19] net/ixgbe/base: remove unnecessary log message FC autonego Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 13/19] net/ixgbe/base: initialize data field in struct buffer Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 14/19] net/ixgbe/base: improve log about autonego being disabled Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 15/19] net/ixgbe/base: add ipv6 mask for FDIR feature Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 16/19] net/ixgbe/base: remove default advertising for x550 2.5G/5G Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 17/19] net/ixgbe/base: check host interface return status Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 18/19] net/ixgbe/base: cleanup pre-processor tags Guinan Sun
2020-07-09  8:00     ` [dpdk-dev] [PATCH v3 19/19] net/ixgbe/base: update version Guinan Sun
2020-07-09 10:46     ` [dpdk-dev] [PATCH v3 00/19] update ixgbe base code Zhang, Qi Z

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