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Message-ID: <CAADnVQ++1_voT2fZ021ExcON0KfHtA8MyHc-WYe-XXJoPTD6ig@mail.gmail.com>
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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