diff mbox series

Fix the RAW interface options for UML

Message ID 20180607114315.8103-1-anton.ivanov@cambridgegreys.com
State Accepted, archived
Headers show
Series Fix the RAW interface options for UML | expand

Commit Message

Anton Ivanov June 7, 2018, 11:43 a.m. UTC 
From: Anton Ivanov <anton.ivanov@cambridgegreys.com>

Raw interface initialization needs QDISC_BYPASS. Otherwise
it sees its own packets when transmitting.

Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
---
 arch/um/drivers/vector_kern.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index 8b852928959b..cf9bf9b43ec3 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -188,7 +188,7 @@  static int get_transport_options(struct arglist *def)
 	if (strncmp(transport, TRANS_TAP, TRANS_TAP_LEN) == 0)
 		return (vec_rx | VECTOR_BPF);
 	if (strncmp(transport, TRANS_RAW, TRANS_RAW_LEN) == 0)
-		return (vec_rx | vec_tx);
+		return (vec_rx | vec_tx | VECTOR_QDISC_BYPASS);
 	return (vec_rx | vec_tx);
 }
 
@@ -1241,9 +1241,8 @@  static int vector_net_open(struct net_device *dev)
 
 	if ((vp->options & VECTOR_QDISC_BYPASS) != 0) {
 		if (!uml_raw_enable_qdisc_bypass(vp->fds->rx_fd))
-			vp->options = vp->options | VECTOR_BPF;
+			vp->options |= VECTOR_BPF;
 	}
-
 	if ((vp->options & VECTOR_BPF) != 0)
 		vp->bpf = uml_vector_default_bpf(vp->fds->rx_fd, dev->dev_addr);