Re: [bpf-next 3/6] bpf: add bpf_tcp_gen_syncookie helper

2019-07-23 Thread Petar Penkov
On Tue, Jul 23, 2019 at 5:33 AM Toke Høiland-Jørgensen wrote: > > Petar Penkov writes: > > > From: Petar Penkov > > > > This helper function allows BPF programs to try to generate SYN > > cookies, given a reference to a listener socket. The function works > > from XDP and with an skb context sin

Re: [bpf-next 3/6] bpf: add bpf_tcp_gen_syncookie helper

2019-07-23 Thread Toke Høiland-Jørgensen
Petar Penkov writes: > From: Petar Penkov > > This helper function allows BPF programs to try to generate SYN > cookies, given a reference to a listener socket. The function works > from XDP and with an skb context since bpf_skc_lookup_tcp can lookup a > socket in both cases. > > Signed-off-by:

[bpf-next 3/6] bpf: add bpf_tcp_gen_syncookie helper

2019-07-22 Thread Petar Penkov
From: Petar Penkov This helper function allows BPF programs to try to generate SYN cookies, given a reference to a listener socket. The function works from XDP and with an skb context since bpf_skc_lookup_tcp can lookup a socket in both cases. Signed-off-by: Petar Penkov Suggested-by: Eric Duma