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Date: Thu, 21 May 2020 12:09:45 -0700 From: Andrii Nakryiko <andrii.nakryiko@...il.com> To: Ferenc Fejes <fejes@....elte.hu> Cc: Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>, Martin KaFai Lau <kafai@...com>, Lawrence Brakmo <brakmo@...com>, "David S . Miller" <davem@...emloft.net> Subject: Re: [PATCH net-next] Extending bpf_setsockopt with SO_BINDTODEVICE sockopt On Thu, May 21, 2020 at 5:54 AM Ferenc Fejes <fejes@....elte.hu> wrote: > > This option makes possible to programatically bind sockets to netdevices. > With the help of this option sockets of VRF unaware applications > could be distributed between multiple VRFs with eBPF sock_ops program. > This let the applications benefit from the multiple possible routes. > > Signed-off-by: Ferenc Fejes <fejes@....elte.hu> > --- > net/core/filter.c | 39 ++++++++++++++++++++++++++++++++++++++- > 1 file changed, 38 insertions(+), 1 deletion(-) > I'll let more networking-familiar folks to comment on functionality, but features like this needs tests in selftest/bpf. > diff --git a/net/core/filter.c b/net/core/filter.c > index 822d662f97ef..25dac75bfc5d 100644 > --- a/net/core/filter.c > +++ b/net/core/filter.c [...]
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