All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tom Psyborg <pozega.tomislav@gmail.com>
To: Zhi Chen <zhichen@codeaurora.org>
Cc: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org
Subject: Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"
Date: Tue, 22 Oct 2019 12:07:44 +0200	[thread overview]
Message-ID: <CAKR_QVLDFBVMDDP4mPYVNdpT9TA3podNeQMpVJQwE7A5eG=0kA@mail.gmail.com> (raw)
In-Reply-To: <1571734629-18028-1-git-send-email-zhichen@codeaurora.org>

On 22/10/2019, Zhi Chen <zhichen@codeaurora.org> wrote:
> This reverts commit 76d164f582150fd0259ec0fcbc485470bcd8033e.
> PCIe hung issue was observed on multiple platforms. The issue was
> reproduced
> when DUT was configured as AP and associated with 50+ STAs.
>
> With PCIe protocol analyzer, we can see DMA Read crossing 4KB boundary when
> issue happened. It broke PCIe spec and caused PCIe stuck.
>
> Tested:  IPQ8064 + QCA9984 with firmware 10.4-3.10-00047
>          QCS404 + QCA9984 with firmware 10.4-3.9.0.2--00044
>          Synaptics AS370 + QCA9888  with firmware 10.4-3.9.0.2--00040
>
> Signed-off-by: Zhi Chen <zhichen@codeaurora.org>
> ---
>  drivers/net/wireless/ath/ath10k/hw.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath10k/hw.h
> b/drivers/net/wireless/ath/ath10k/hw.h
> index 35a3623..17f620b 100644
> --- a/drivers/net/wireless/ath/ath10k/hw.h
> +++ b/drivers/net/wireless/ath/ath10k/hw.h
> @@ -753,7 +753,7 @@ ath10k_is_rssi_enable(struct ath10k_hw_params *hw,
>  #define TARGET_10X_MAX_FRAG_ENTRIES		0
>
>  /* 10.2 parameters */
> -#define TARGET_10_2_DMA_BURST_SIZE		0
> +#define TARGET_10_2_DMA_BURST_SIZE		1
>
>  /* Target specific defines for WMI-TLV firmware */
>  #define TARGET_TLV_NUM_VDEVS			4
> @@ -813,7 +813,7 @@ ath10k_is_rssi_enable(struct ath10k_hw_params *hw,
>
>  #define TARGET_10_4_TX_DBG_LOG_SIZE		1024
>  #define TARGET_10_4_NUM_WDS_ENTRIES		32
> -#define TARGET_10_4_DMA_BURST_SIZE		0
> +#define TARGET_10_4_DMA_BURST_SIZE		1
>  #define TARGET_10_4_MAC_AGGR_DELIM		0
>  #define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1
>  #define TARGET_10_4_VOW_CONFIG			0
> --
> 2.7.4
>
>
> _______________________________________________
> ath10k mailing list
> ath10k@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/ath10k
>

What about main and 10x firmware branch?

WARNING: multiple messages have this Message-ID (diff)
From: Tom Psyborg <pozega.tomislav@gmail.com>
To: Zhi Chen <zhichen@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"
Date: Tue, 22 Oct 2019 12:07:44 +0200	[thread overview]
Message-ID: <CAKR_QVLDFBVMDDP4mPYVNdpT9TA3podNeQMpVJQwE7A5eG=0kA@mail.gmail.com> (raw)
In-Reply-To: <1571734629-18028-1-git-send-email-zhichen@codeaurora.org>

On 22/10/2019, Zhi Chen <zhichen@codeaurora.org> wrote:
> This reverts commit 76d164f582150fd0259ec0fcbc485470bcd8033e.
> PCIe hung issue was observed on multiple platforms. The issue was
> reproduced
> when DUT was configured as AP and associated with 50+ STAs.
>
> With PCIe protocol analyzer, we can see DMA Read crossing 4KB boundary when
> issue happened. It broke PCIe spec and caused PCIe stuck.
>
> Tested:  IPQ8064 + QCA9984 with firmware 10.4-3.10-00047
>          QCS404 + QCA9984 with firmware 10.4-3.9.0.2--00044
>          Synaptics AS370 + QCA9888  with firmware 10.4-3.9.0.2--00040
>
> Signed-off-by: Zhi Chen <zhichen@codeaurora.org>
> ---
>  drivers/net/wireless/ath/ath10k/hw.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath10k/hw.h
> b/drivers/net/wireless/ath/ath10k/hw.h
> index 35a3623..17f620b 100644
> --- a/drivers/net/wireless/ath/ath10k/hw.h
> +++ b/drivers/net/wireless/ath/ath10k/hw.h
> @@ -753,7 +753,7 @@ ath10k_is_rssi_enable(struct ath10k_hw_params *hw,
>  #define TARGET_10X_MAX_FRAG_ENTRIES		0
>
>  /* 10.2 parameters */
> -#define TARGET_10_2_DMA_BURST_SIZE		0
> +#define TARGET_10_2_DMA_BURST_SIZE		1
>
>  /* Target specific defines for WMI-TLV firmware */
>  #define TARGET_TLV_NUM_VDEVS			4
> @@ -813,7 +813,7 @@ ath10k_is_rssi_enable(struct ath10k_hw_params *hw,
>
>  #define TARGET_10_4_TX_DBG_LOG_SIZE		1024
>  #define TARGET_10_4_NUM_WDS_ENTRIES		32
> -#define TARGET_10_4_DMA_BURST_SIZE		0
> +#define TARGET_10_4_DMA_BURST_SIZE		1
>  #define TARGET_10_4_MAC_AGGR_DELIM		0
>  #define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1
>  #define TARGET_10_4_VOW_CONFIG			0
> --
> 2.7.4
>
>
> _______________________________________________
> ath10k mailing list
> ath10k@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/ath10k
>

What about main and 10x firmware branch?

_______________________________________________
ath10k mailing list
ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k

  reply	other threads:[~2019-10-22 10:07 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-22  8:57 [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices" Zhi Chen
2019-10-22  8:57 ` Zhi Chen
2019-10-22 10:07 ` Tom Psyborg [this message]
2019-10-22 10:07   ` Tom Psyborg
2019-10-30  2:44   ` zhichen
2019-10-30  2:44     ` zhichen
2019-11-06 10:01     ` Tom Psyborg
2019-11-06 10:01       ` Tom Psyborg
2019-11-07  5:35       ` zhichen
2019-11-07  5:35         ` zhichen
2019-10-22 17:16 ` Peter Oh
2019-10-22 17:16   ` Peter Oh
2019-10-22 18:24   ` Adrian Chadd
2019-10-22 18:24     ` Adrian Chadd
2019-10-30  6:04     ` Peter Oh
2019-10-30  6:04       ` Peter Oh
2019-10-30  6:28     ` zhichen
2019-10-30  6:28       ` zhichen
2019-10-30  6:16   ` zhichen
2019-10-30  6:16     ` zhichen
2019-10-30 23:01     ` Peter Oh
2019-10-30 23:01       ` Peter Oh
2019-11-03 15:36     ` Tom Psyborg
2019-11-03 15:36       ` Tom Psyborg
2019-11-04 18:41       ` Peter Oh
2019-11-04 18:41         ` Peter Oh

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAKR_QVLDFBVMDDP4mPYVNdpT9TA3podNeQMpVJQwE7A5eG=0kA@mail.gmail.com' \
    --to=pozega.tomislav@gmail.com \
    --cc=ath10k@lists.infradead.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=zhichen@codeaurora.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.