From 829ee5399504478901be245914333fdf704131c2 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Fri, 16 Feb 2018 16:13:32 +0100 Subject: virtio: add missing tx lock when running multithreaded Change-Id: I373f429c53c6f66ad38322addcfaccddb7761392 Signed-off-by: Damjan Marion --- src/vnet/devices/virtio/device.c | 4 ++++ src/vnet/devices/virtio/virtio.h | 2 ++ 2 files changed, 6 insertions(+) (limited to 'src/vnet/devices/virtio') diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c index ae8a116efee..c7efe6519cd 100644 --- a/src/vnet/devices/virtio/device.c +++ b/src/vnet/devices/virtio/device.c @@ -182,6 +182,8 @@ virtio_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, u16 mask = sz - 1; u32 *buffers = vlib_frame_args (frame); + clib_spinlock_lock_if_init (&vif->lockp); + /* free consumed buffers */ virtio_free_used_desc (vm, vring); @@ -221,6 +223,8 @@ virtio_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_free (vm, buffers, n_left); } + clib_spinlock_unlock_if_init (&vif->lockp); + return frame->n_vectors - n_left; } diff --git a/src/vnet/devices/virtio/virtio.h b/src/vnet/devices/virtio/virtio.h index 7ffb2ea3dce..5fc521672d9 100644 --- a/src/vnet/devices/virtio/virtio.h +++ b/src/vnet/devices/virtio/virtio.h @@ -91,6 +91,8 @@ typedef struct typedef struct { u32 flags; + clib_spinlock_t lockp; + u32 id; u32 dev_instance; u32 hw_if_index; -- cgit 1.2.3-korg