On Sat, Nov 2, 2024 at 9:44 PM Simon Horman <horms@xxxxxxxxxx> wrote:
>
> On Mon, Oct 28, 2024 at 07:05:23PM +0800, Jason Xing wrote:
> > From: Jason Xing <kernelxing@xxxxxxxxxxx>
> >
> > This patch has introduced a separate sk_tsflags_bpf for bpf
> > extension, which helps us let two feature work nearly at the
> > same time.
> >
> > Each feature will finally take effect on skb_shinfo(skb)->tx_flags,
> > say, tcp_tx_timestamp() for TCP or skb_setup_tx_timestamp() for
> > other types, so in __skb_tstamp_tx() we are unable to know which
> > feature is turned on, unless we check each feature's own socket
> > flag field.
> >
> > Signed-off-by: Jason Xing <kernelxing@xxxxxxxxxxx>
> > ---
> > include/net/sock.h | 1 +
> > net/core/skbuff.c | 39 +++++++++++++++++++++++++++++++++++++++
> > 2 files changed, 40 insertions(+)
> >
> > diff --git a/include/net/sock.h b/include/net/sock.h
> > index 7464e9f9f47c..5384f1e49f5c 100644
> > --- a/include/net/sock.h
> > +++ b/include/net/sock.h
> > @@ -445,6 +445,7 @@ struct sock {
> > u32 sk_reserved_mem;
> > int sk_forward_alloc;
> > u32 sk_tsflags;
> > + u32 sk_tsflags_bpf;
>
> Please add sk_tsflags_bpf to the Kernel doc for this structure.
> Likewise for sk_tskey_bpf_offset which is added by a subsequent patch.
Oh, thanks for reminding me!
