On Wed, 19 Apr 2023 at 01:37, Kui-Feng Lee <thinker.li@xxxxxxxxx> wrote: > > A new link type, BPF_LINK_TYPE_STRUCT_OPS, was added to attach > struct_ops to links. (226bc6ae6405) It would be helpful for users to > know which map is associated with the link. > > The assumption was that every link is associated with a BPF program, but > this does not hold true for struct_ops. It would be better to display > map_id instead of prog_id for struct_ops links. However, some tools may > rely on the old assumption and need a prog_id. The discussion on the > mailing list suggests that tools should parse JSON format. We will maintain > the existing JSON format by adding a map_id without removing prog_id. As > for plain text format, we will remove prog_id from the header line and add > a map_id for struct_ops links. > > Signed-off-by: Kui-Feng Lee <kuifeng@xxxxxxxx> > Reviewed-by: Quentin Monnet <quentin@xxxxxxxxxxxxx> Looks all good from my side, thank you.
