Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx> wrote: > On Tue, Oct 19, 2021 at 08:16:52PM IST, Maxim Mikityanskiy wrote: > > The new helpers (bpf_ct_lookup_tcp and bpf_ct_lookup_udp) allow to query > > connection tracking information of TCP and UDP connections based on > > source and destination IP address and port. The helper returns a pointer > > to struct nf_conn (if the conntrack entry was found), which needs to be > > released with bpf_ct_release. > > > > Signed-off-by: Maxim Mikityanskiy <maximmi@xxxxxxxxxx> > > Reviewed-by: Tariq Toukan <tariqt@xxxxxxxxxx> > > The last discussion on this [0] suggested that stable BPF helpers for conntrack > were not desired, hence the recent series [1] to extend kfunc support to modules > and base the conntrack work on top of it, which I'm working on now (supporting > both CT lookup and insert). This will sabotage netfilter pipeline and the way things work more and more 8-( If you want to use netfilter with ebpf, please have a look at the RFC I posted and lets work on adding a netfilter specific program type that can run ebpf programs directly from any of the existing netfilter hook points. Thanks.