Re: [PATCH bpf-next v11 09/12] bpf: add BPF_SOCK_OPS_TS_ACK_OPT_CB callback

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Martin KaFai Lau wrote:
> On 2/14/25 3:16 PM, Jason Xing wrote:
> > On Sat, Feb 15, 2025 at 4:34 AM Martin KaFai Lau <martin.lau@xxxxxxxxx> wrote:
> >>
> >> On 2/13/25 5:00 PM, Jason Xing wrote:
> >>> diff --git a/net/dsa/user.c b/net/dsa/user.c
> >>> index 291ab1b4acc4..794fe553dd77 100644
> >>> --- a/net/dsa/user.c
> >>> +++ b/net/dsa/user.c
> >>> @@ -897,7 +897,7 @@ static void dsa_skb_tx_timestamp(struct dsa_user_priv *p,
> >>>    {
> >>>        struct dsa_switch *ds = p->dp->ds;
> >>>
> >>> -     if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
> >>> +     if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP_NOBPF))
> >>
> >> This change should be in patch 8.
> >>
> >> [ ... ]
> >>
> >>> diff --git a/net/socket.c b/net/socket.c
> >>> index 262a28b59c7f..517de433d4bb 100644
> >>> --- a/net/socket.c
> >>> +++ b/net/socket.c
> >>> @@ -676,7 +676,7 @@ void __sock_tx_timestamp(__u32 tsflags, __u8 *tx_flags)
> >>>        u8 flags = *tx_flags;
> >>>
> >>>        if (tsflags & SOF_TIMESTAMPING_TX_HARDWARE) {
> >>> -             flags |= SKBTX_HW_TSTAMP;
> >>> +             flags |= SKBTX_HW_TSTAMP_NOBPF;
> >>
> >> Same here.
> > 
> > Sure, you're right. If you feel it's necessary to re-spin, I will
> > adjust these two points :)
> 
> That will be good. I would wait a bit to collect Willem's comment first.

Depends on answers to my few remaining points. 







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