Thread (25 messages) flat view 25 messages, 4 authors, 2021-01-24

Re: [RFC PATCH 3/7] tun: allow use of BPF_PROG_TYPE_SCHED_CLS program type

From: Yuri Benditovich <hidden>
Date: 2021-01-12 21:54:35
Also in: bpf, kvm, lkml, netdev

On Tue, Jan 12, 2021 at 9:46 PM Alexei Starovoitov
[off-list ref] wrote:
On Tue, Jan 12, 2021 at 11:42 AM Yuri Benditovich
[off-list ref] wrote:
quoted
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 <redacted>
---
 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?
No, I do not. Some patches did not reach relevant people at all, so I
just resent _all_ the patches to all the people.
I will copy your earlier comment to this patch and will address it in
the discussion.
Sorry for misunderstanding and some redundant noise.
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