Re: [PATCH v2 23/35] brcmfmac: cfg80211: Add support for scan params v2

From: Hector Martin
Date: Mon Jan 17 2022 - 01:58:35 EST


On 11/01/2022 17.50, Arend van Spriel wrote:
> On 1/4/2022 8:26 AM, Hector Martin wrote:
>> This new API version is required for at least the BCM4387 firmware. Add
>> support for it, with a fallback to the v1 API.
>
> Reviewed-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
>> Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
>> Signed-off-by: Hector Martin <marcan@xxxxxxxxx>
>> ---
>> .../broadcom/brcm80211/brcmfmac/cfg80211.c | 113 ++++++++++++++----
>> .../broadcom/brcm80211/brcmfmac/feature.c | 1 +
>> .../broadcom/brcm80211/brcmfmac/feature.h | 4 +-
>> .../broadcom/brcm80211/brcmfmac/fwil_types.h | 49 +++++++-
>> 4 files changed, 145 insertions(+), 22 deletions(-)
>>
>> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
>> index fb727778312c..71e932a8302c 100644
>> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
>> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
>> @@ -769,12 +769,50 @@ void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
>> }
>> }
>>
>> +static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
>> + struct brcmf_scan_params_v2_le *params_le,
>> + struct cfg80211_scan_request *request);
>
> I am not a fan of function prototypes so if it can be avoided by simply
> moving the function that would be preferred over this.

Moved the function for v3 :)

>> + if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_V2)) {
>
> Okay. So it is not really a fallback. Phew!

I meant fallback in case the feature is not present, not fallback from
trying to use it without checking. Thankfully we can use a feature test
for this :-)


--
Hector Martin (marcan@xxxxxxxxx)
Public Key: https://mrcn.st/pub