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From: Kalle Valo <kvalo@codeaurora.org>
To: Ping-Ke Shih <pkshih@realtek.com>
Cc: <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH v6 06/24] rtw89: add files to download and communicate with firmware
Date: Fri, 01 Oct 2021 18:55:27 +0300	[thread overview]
Message-ID: <87o888ivtc.fsf@codeaurora.org> (raw)
In-Reply-To: <20210820043538.12424-7-pkshih@realtek.com> (Ping-Ke Shih's message of "Fri, 20 Aug 2021 12:35:20 +0800")

Ping-Ke Shih <pkshih@realtek.com> writes:

> The firmware must be downloaded right after HCI basic initialization, and
> then we can obtain hardware capabilities that are used to do mac80211
> register hw.
>
> To download firmware, we need to parse the header to know how many sections
> the firmware has, and then download each section to proper location.
>
> We introduce H2C and C2H to do bi-direction communication with firmware,
> and both support packet-based and register-based methods.
> Normally, we use packet-based H2C/C2H, because it has no number and size
> limits. In contrast, register-based H2C/C2H has only one message and
> fix-four-dword in size.
>
> Header size of packet-based H2C/C2H is eight bytes (two dwords), which uses
> a hierarchical IDs, containing type, category, class and function, to
> classify a H2C or C2H command.
>
> When a C2H is received in interrupt context, we don't process it right
> there, but queue the skb and wake up a ieee80211 work to handle the skb.
>
> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>

[...]

> +static __always_inline void RTW89_SET_FWCMD(u8 *cmd, u32 val, u8 offset, u32 mask)
> +{
> +	u32 *cmd32 = (u32 *)cmd;
> +
> +	le32p_replace_bits((__le32 *)(cmd32 + offset), val, mask);
> +}
> +
> +static __always_inline void RTW89_SET_FWCMD_UA8(u8 *cmd, u8 val, u8 offset, u32 mask)
> +{
> +	u8p_replace_bits(cmd + offset, val, mask);
> +}
> +
> +static __always_inline void RTW89_SET_FWCMD_UA16(u8 *cmd, u16 val, u8
> offset, u32 mask)
> +{
> +	le16p_replace_bits((__le16 *)(cmd + offset), val, mask);
> +}
> +
> +static __always_inline void RTW89_SET_FWCMD_UA32(u8 *cmd, u32 val, u8
> offset, u32 mask)
> +{
> +	le32p_replace_bits((__le32 *)(cmd + offset), val, mask);
> +}

Is __always_inline really necessary? I would say just use the regular
inline keyword and let the compiler optimise as it sees fit.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

  reply	other threads:[~2021-10-01 15:55 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20  4:35 [PATCH v6 00/24] rtw89: add Realtek 802.11ax driver Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 01/24] rtw89: add CAM files Ping-Ke Shih
2021-10-01 14:46   ` Kalle Valo
2021-08-20  4:35 ` [PATCH v6 02/24] rtw89: add BT coexistence files Ping-Ke Shih
2021-10-01 15:26   ` Kalle Valo
2021-10-01 17:40     ` Small driver submissions and long feedback cycles Brian Norris
2021-08-20  4:35 ` [PATCH v6 03/24] rtw89: add core and trx files Ping-Ke Shih
2021-10-01 16:26   ` Kalle Valo
2021-10-05  7:16     ` Pkshih
2021-10-05  7:46       ` Kalle Valo
2021-10-05  8:42         ` Arnd Bergmann
2021-10-05  9:32           ` Pkshih
2021-10-05  9:59             ` Arnd Bergmann
2021-10-06  1:35               ` Pkshih
2021-10-06  7:32                 ` Arnd Bergmann
2021-10-06  8:19                   ` Pkshih
2021-08-20  4:35 ` [PATCH v6 04/24] rtw89: add debug files Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 05/24] rtw89: add efuse files Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 06/24] rtw89: add files to download and communicate with firmware Ping-Ke Shih
2021-10-01 15:55   ` Kalle Valo [this message]
2021-08-20  4:35 ` [PATCH v6 07/24] rtw89: add MAC files Ping-Ke Shih
2021-10-01 16:13   ` Kalle Valo
2021-08-20  4:35 ` [PATCH v6 08/24] rtw89: implement mac80211 ops Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 09/24] rtw89: add pci files Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 10/24] rtw89: add phy files Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 11/24] rtw89: define register names Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 12/24] rtw89: add regulatory support Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 13/24] rtw89: 8852a: add 8852a specific files Ping-Ke Shih
2021-10-01 16:20   ` Kalle Valo
2021-08-20  4:35 ` [PATCH v6 14/24] rtw89: 8852a: add 8852a RFK files Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 15/24] rtw89: 8852a: add 8852a RFK tables Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 16/24] rtw89: 8852a: add 8852a tables (1 of 5) Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 17/24] rtw89: 8852a: add 8852a tables (2 " Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 18/24] rtw89: 8852a: add 8852a tables (3 " Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 19/24] rtw89: 8852a: add 8852a tables (4 " Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 20/24] rtw89: 8852a: add 8852a tables (5 " Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 21/24] rtw89: add ser to recover error reported by firmware Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 22/24] rtw89: add PS files Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 23/24] rtw89: add SAR files Ping-Ke Shih
2021-08-20  4:35 ` [PATCH v6 24/24] rtw89: add Kconfig and Makefile Ping-Ke Shih
2021-08-22  3:43   ` kernel test robot
2021-08-23  1:37     ` Pkshih
2021-10-01 15:57   ` Kalle Valo
2021-10-01 16:34 ` [PATCH v6 00/24] rtw89: add Realtek 802.11ax driver Kalle Valo
2021-10-01 16:42   ` Larry Finger
2021-10-01 16:46     ` Kalle Valo
2021-10-01 17:18       ` Larry Finger
2021-10-05  5:46         ` Kalle Valo
2021-10-04  6:46   ` Pkshih
2021-10-05  5:52     ` Kalle Valo
2021-10-06  0:10       ` Brian Norris
2021-10-08  4:14         ` Pkshih
2021-10-08  4:11       ` Pkshih
2021-10-09  8:28         ` Kalle Valo
2021-10-12  1:53           ` Pkshih

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