From 5ec9121195a4f1cecd0fa592636c5f81eb03dc8c Mon Sep 17 00:00:00 2001 From: Anton Ivanov Date: Thu, 7 Jun 2018 12:43:15 +0100 Subject: [PATCH] um: Fix raw interface options Raw interface initialization needs QDISC_BYPASS. Otherwise it sees its own packets when transmitting. Fixes: 49da7e64f33e ("High Performance UML Vector Network Driver") Cc: Signed-off-by: Anton Ivanov Signed-off-by: Richard Weinberger --- arch/um/drivers/vector_kern.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) 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); -- 2.30.2