On Tue, 23 Feb 2021 20:45:54 +0800 Hangbin Liu <liuhangbin@xxxxxxxxx> wrote: > Commit 34b2021cc616 ("bpf: Add BPF-helper for MTU checking") lost a * > in bpf.h. This will make bpf_helpers_doc.py stop building > bpf_helper_defs.h immediately after bpf_check_mtu, which will affect > future add functions. > > Fixes: 34b2021cc616 ("bpf: Add BPF-helper for MTU checking") > Signed-off-by: Hangbin Liu <liuhangbin@xxxxxxxxx> > --- > include/uapi/linux/bpf.h | 2 +- > tools/include/uapi/linux/bpf.h | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) Thanks for fixing that! Acked-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx> I though I had already fix that, but I must have missed or reintroduced this, when I rolling back broken ideas in V13. I usually run this command to check the man-page (before submitting): ./scripts/bpf_helpers_doc.py | rst2man | man -l - > diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h > index 4c24daa43bac..46248f8e024b 100644 > --- a/include/uapi/linux/bpf.h > +++ b/include/uapi/linux/bpf.h > @@ -3850,7 +3850,7 @@ union bpf_attr { > * > * long bpf_check_mtu(void *ctx, u32 ifindex, u32 *mtu_len, s32 len_diff, u64 flags) > * Description > - > + * > * Check ctx packet size against exceeding MTU of net device (based > * on *ifindex*). This helper will likely be used in combination > * with helpers that adjust/change the packet size. > diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h > index 4c24daa43bac..46248f8e024b 100644 > --- a/tools/include/uapi/linux/bpf.h > +++ b/tools/include/uapi/linux/bpf.h > @@ -3850,7 +3850,7 @@ union bpf_attr { > * > * long bpf_check_mtu(void *ctx, u32 ifindex, u32 *mtu_len, s32 len_diff, u64 flags) > * Description > - > + * > * Check ctx packet size against exceeding MTU of net device (based > * on *ifindex*). This helper will likely be used in combination > * with helpers that adjust/change the packet size. -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer