netdev - Re: [PATCH v3 4/5] Bluetooth: advmon offload MSFT handle controller reset

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Date:   Tue, 22 Dec 2020 11:26:44 +0800
From:   Archie Pusaka <apusaka@...gle.com>
To:     Marcel Holtmann <marcel@...tmann.org>
Cc:     linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        CrosBT Upstreaming <chromeos-bluetooth-upstreaming@...omium.org>,
        Archie Pusaka <apusaka@...omium.org>,
        Miao-chen Chou <mcchou@...omium.org>,
        Yun-Hao Chung <howardchung@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>
Subject: Re: [PATCH v3 4/5] Bluetooth: advmon offload MSFT handle controller reset

Hi Marcel,

On Mon, 21 Dec 2020 at 17:12, Marcel Holtmann <marcel@...tmann.org> wrote:
>
> Hi Archie,
>
> > When the controller is powered off, the registered advertising monitor
> > is removed from the controller. This patch handles the re-registration
> > of those monitors when the power is on.
> >
> > Signed-off-by: Archie Pusaka <apusaka@...omium.org>
> > Reviewed-by: Miao-chen Chou <mcchou@...omium.org>
> > Reviewed-by: Yun-Hao Chung <howardchung@...gle.com>
> >
> > ---
> >
> > (no changes since v1)
> >
> > net/bluetooth/msft.c | 79 +++++++++++++++++++++++++++++++++++++++++---
> > 1 file changed, 74 insertions(+), 5 deletions(-)
> >
> > diff --git a/net/bluetooth/msft.c b/net/bluetooth/msft.c
> > index f5aa0e3b1b9b..7e33a85c3f1c 100644
> > --- a/net/bluetooth/msft.c
> > +++ b/net/bluetooth/msft.c
> > @@ -82,8 +82,15 @@ struct msft_data {
> >       struct list_head handle_map;
> >       __u16 pending_add_handle;
> >       __u16 pending_remove_handle;
> > +
> > +     struct {
> > +             u8 reregistering:1;
> > +     } flags;
> > };
>
> hmmm. Do you have bigger plans with this struct? I would just skip it.
>
This struct is also used in patch 5/5 to store the "enabled" status of
the filter.
Suspend/resume would need to enable/disable the filter, but it is not
yet implemented in this patch series.

Thanks,
Archie