linux-kernel - Re: [PATCH 5/5] [brcmfmac] Add remaining support for 6G by supporting new scan structures.

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Date:   Fri, 20 Oct 2023 11:59:41 +0200
From:   Arend van Spriel <arend.vanspriel@...adcom.com>
To:     Daniel Berlin <dberlin@...rlin.org>,
        Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>
Cc:     linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        SHA-cyfmac-dev-list@...ineon.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] [brcmfmac] Add remaining support for 6G by supporting
 new scan structures.

On 10/19/2023 3:42 AM, Daniel Berlin wrote:
> Add support for netinfo v3 and other PNO v3 structures, which contains
> a chanspec rather than just a channel.
> Gate support for netinfo_v3 and other structures on the proper feature
> caps in the firmware.
> 
> Unfortunately, the v3 structures are different enough that we have to
> use different handling for them in places (even the same named fields
> are in different places).

Reviewed-by: Arend van Spriel <arend.vanspriel@...adcom.com>
> Signed-off-by: Daniel Berlin <dberlin@...rlin.org>
> ---
>   .../broadcom/brcm80211/brcmfmac/cfg80211.c    | 239 ++++++++++++++----
>   .../broadcom/brcm80211/brcmfmac/feature.c     |  10 +
>   .../broadcom/brcm80211/brcmfmac/feature.h     |   6 +-
>   .../broadcom/brcm80211/brcmfmac/fwil_types.h  |  62 +++++
>   .../broadcom/brcm80211/brcmfmac/pno.c         | 105 +++++++-
>   .../broadcom/brcm80211/brcmfmac/pno.h         |   9 +
>   6 files changed, 371 insertions(+), 60 deletions(-)
> 
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
> index bc8355d7f9b5..3656790ec4c9 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
> @@ -32,6 +32,7 @@
>   #include "vendor.h"
>   #include "bus.h"
>   #include "common.h"
> +#include "feature.h"

Suspect this was already include, but no harm being explicit about it.

>   
>   #define BRCMF_SCAN_IE_LEN_MAX		2048
>   

[...]

> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
> index 81f2d77cb004..b35c27a64db1 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
> @@ -1051,6 +1051,46 @@ struct brcmf_pno_param_le {
>   	__le32 slow_freq;
>   };
>   
> +/**
> + * struct brcmf_pno_param_le - PNO scan configuration parameters

v3?

> + *
> + * @version: PNO parameters version.
> + * @length: Length of PNO structure
> + * @scan_freq: scan frequency.
> + * @lost_network_timeout: #sec. to declare discovered network as lost.
> + * @flags: Bit field to control features of PFN such as sort criteria auto
> + *	enable switch and background scan.
> + * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
> + *	criteria.
> + * @bestn: number of best networks in each scan.
> + * @mscan: number of scans recorded.
> + * @repeat: minimum number of scan intervals before scan frequency changes
> + *	in adaptive scan.
> + * @exp: exponent of 2 for maximum scan interval.
> + * @slow_freq: slow scan period.
> + * @min_bound: min bound for scan time randomization
> + * @max_bound: max bound for scan time randomization
> + * @pfn_lp_scan_disable: unused
> + * @pfn_lp_scan_cnt: allow interleaving lp scan with hp scan
> + */
> +struct brcmf_pno_param_v3_le {

[...]

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