On Sat, Jun 27, 2020 at 10:17:26AM -0700, Eric Dumazet wrote:
[ ... ]
> It seems strange that we want to add code in TCP stack only to cover a
> limited use case (kind 254 and 0xEB9F magic)
>
> For something like the work Petar Penkov did (to be able to generate
> SYNCOOKIES from XDP), we do not
On Sat, Jun 27, 2020 at 10:17:26AM -0700, Eric Dumazet wrote:
> On Fri, Jun 26, 2020 at 10:55 AM Martin KaFai Lau wrote:
> >
> > This patch adds logic to parse experimental kind 254 with 16 bit magic
> > 0xeB9F. The latter patch will allow bpf prog to write and parse data
> > under this experimen
This patch adds logic to parse experimental kind 254 with 16 bit magic
0xeB9F. The latter patch will allow bpf prog to write and parse data
under this experimental kind and magic.
A one byte bpf_hdr_opt_off is added to tcp_skb_cb by using an existing
4 byte hole. It is only used in rx. It store