[RFC PATCH 3/7] tun: allow use of BPF_PROG_TYPE_SCHED_CLS program type
From: Yuri Benditovich <hidden>
Date: 2021-01-05 12:26:06
Also in:
bpf, lkml
Subsystem:
networking drivers, the rest, tun/tap driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Willem de Bruijn, Jason Wang
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); if (IS_ERR(prog)) return PTR_ERR(prog); }
--
2.17.1