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From:   Kalle Valo <kvalo@kernel.org>
To:     Ping-Ke Shih <pkshih@realtek.com>
Cc:     "linux-wireless\@vger.kernel.org" <linux-wireless@vger.kernel.org>,
        "ath12k\@lists.infradead.org" <ath12k@lists.infradead.org>
Subject: Re: [PATCH 12/50] wifi: ath12k: add dp.h
References: <20220812161003.27279-1-kvalo@kernel.org>
        <20220812161003.27279-13-kvalo@kernel.org>
        <0eabd6c1b3ca4d8a8152ad5b4f3efee6@realtek.com>
Date:   Mon, 05 Sep 2022 20:27:20 +0300
In-Reply-To: <0eabd6c1b3ca4d8a8152ad5b4f3efee6@realtek.com> (Ping-Ke Shih's
        message of "Mon, 15 Aug 2022 01:56:29 +0000")
Message-ID: <87leqxag07.fsf@kernel.org>
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Ping-Ke Shih <pkshih@realtek.com> writes:

>> -----Original Message-----
>> From: Kalle Valo <kvalo@kernel.org>
>> Sent: Saturday, August 13, 2022 12:09 AM
>> To: linux-wireless@vger.kernel.org
>> Cc: ath12k@lists.infradead.org
>> Subject: [PATCH 12/50] wifi: ath12k: add dp.h
>> 
>> From: Kalle Valo <quic_kvalo@quicinc.com>
>> 
>> (Patches split into one patch per file for easier review, but the final
>> commit will be one big patch. See the cover letter for more info.)
>> 
>> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
>> ---
>>  drivers/net/wireless/ath/ath12k/dp.h | 2017 ++++++++++++++++++++++++++++++++++
>>  1 file changed, 2017 insertions(+)
>> 
>> diff --git a/drivers/net/wireless/ath/ath12k/dp.h
>> b/drivers/net/wireless/ath/ath12k/dp.h
>> new file mode 100644
>> index 000000000000..cf9610dffbb8
>> --- /dev/null
>> +++ b/drivers/net/wireless/ath/ath12k/dp.h
>
> [...]
>
>> +
>> +struct htt_srng_setup_cmd {
>> +	u32 info0;
>> +	u32 ring_base_addr_lo;
>> +	u32 ring_base_addr_hi;
>> +	u32 info1;
>> +	u32 ring_head_off32_remote_addr_lo;
>> +	u32 ring_head_off32_remote_addr_hi;
>> +	u32 ring_tail_off32_remote_addr_lo;
>> +	u32 ring_tail_off32_remote_addr_hi;
>> +	u32 ring_msi_addr_lo;
>> +	u32 ring_msi_addr_hi;
>> +	u32 msi_data;
>> +	u32 intr_info;
>> +	u32 info2;
>> +} __packed;
>> +
>
> Should they be '__le32' instead of 'u32'?
>
> This struct is used to fill data of ath12k_htc_send(), and the fields of
> htc header are __le32: 
>
> struct ath12k_htc_hdr {
> 	__le32 htc_info;
> 	__le32 ctrl_info;
> } __packed __aligned(4);
>
> If above is correct, some struct(s) related to ath12k_htc_send() have
> similar problems:
> struct htt_ver_req_cmd
> struct htt_ppdu_stats_cfg_cmd
> struct htt_rx_ring_selection_cfg_cmd
> struct htt_ext_stats_cfg_cmd
> struct htt_tx_ring_selection_cfg_cmd  (miss __packed)

Good catch, we'll fix those and the missing __packed. Thanks for the review!

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