Re: [PATCH net] bpf: fix cls_bpf on filter replace

From: Daniel Borkmann Date: Wed, 17 Jan 2018 22:36:49 +0100 > Running the following sequence is currently broken: > > # tc qdisc add dev foo clsact > # tc filter replace dev foo ingress prio 1 handle 1 bpf da obj bar.o > # tc filter replace dev foo ingress prio 1 handle 1 bpf da obj bar.o

[PATCH net] bpf: fix cls_bpf on filter replace

Running the following sequence is currently broken: # tc qdisc add dev foo clsact # tc filter replace dev foo ingress prio 1 handle 1 bpf da obj bar.o # tc filter replace dev foo ingress prio 1 handle 1 bpf da obj bar.o RTNETLINK answers: Invalid argument The normal expectation on kernel