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Date: Tue, 12 Jan 2021 11:46:46 -0800 From: Alexei Starovoitov <alexei.starovoitov@...il.com> To: Yuri Benditovich <yuri.benditovich@...nix.com> Cc: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Randy Dunlap <rdunlap@...radead.org>, Willem de Bruijn <willemb@...gle.com>, gustavoars@...nel.org, Herbert Xu <herbert@...dor.apana.org.au>, Steffen Klassert <steffen.klassert@...unet.com>, nogikh@...gle.com, Pablo Neira Ayuso <pablo@...filter.org>, decui@...rosoft.com, cai@....pw, Jakub Sitnicki <jakub@...udflare.com>, Marco Elver <elver@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Network Development <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org, bpf <bpf@...r.kernel.org>, Yan Vugenfirer <yan@...nix.com> Subject: Re: [RFC PATCH 3/7] tun: allow use of BPF_PROG_TYPE_SCHED_CLS program type On Tue, Jan 12, 2021 at 11:42 AM Yuri Benditovich <yuri.benditovich@...nix.com> wrote: > > This program type can set skb hash value. It will be useful > when the tun will support hash reporting feature if virtio-net. > > Signed-off-by: Yuri Benditovich <yuri.benditovich@...nix.com> > --- > drivers/net/tun.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/net/tun.c b/drivers/net/tun.c > index 7959b5c2d11f..455f7afc1f36 100644 > --- a/drivers/net/tun.c > +++ b/drivers/net/tun.c > @@ -2981,6 +2981,8 @@ static int tun_set_ebpf(struct tun_struct *tun, struct tun_prog __rcu **prog_p, > prog = NULL; > } else { > prog = bpf_prog_get_type(fd, BPF_PROG_TYPE_SOCKET_FILTER); > + if (IS_ERR(prog)) > + prog = bpf_prog_get_type(fd, BPF_PROG_TYPE_SCHED_CLS); You've ignored the feedback and just resend? what for?
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