diff options
| author |   Damjan Marion <damarion@cisco.com> | 2018-02-16 16:13:32 +0100 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2018-02-19 16:40:01 +0000 |
| commit | 829ee5399504478901be245914333fdf704131c2 (patch) | |
| tree | ab90fccc9477294b53d511fcddd1e96cc645a06c /src/vnet/devices/tap | |
| parent | b5a86eed8bd889f5c8986e5fa569a50b997ccd77 (diff) | |
virtio: add missing tx lock when running multithreaded
Change-Id: I373f429c53c6f66ad38322addcfaccddb7761392
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/devices/tap')
| -rw-r--r-- | src/vnet/devices/tap/tap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c index e6a7ba518a6..de6107a589b 100644 --- a/src/vnet/devices/tap/tap.c +++ b/src/vnet/devices/tap/tap.c @@ -80,6 +80,7 @@ void tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) { vnet_main_t *vnm = vnet_get_main (); + vlib_thread_main_t *thm = vlib_get_thread_main (); virtio_main_t *vim = &virtio_main; tap_main_t *tm = &tap_main; vnet_sw_interface_t *sw; @@ -397,6 +398,8 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) vif->flags |= VIRTIO_IF_FLAG_ADMIN_UP; vnet_hw_interface_set_flags (vnm, vif->hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP); + if (thm->n_vlib_mains > 1) + clib_spinlock_init (&vif->lockp); goto done; error: @@ -453,6 +456,7 @@ tap_delete_if (vlib_main_t * vm, u32 sw_if_index) vec_free (vif->vrings); hash_unset (tm->dev_instance_by_interface_id, vif->id); + clib_spinlock_free (&vif->lockp); memset (vif, 0, sizeof (*vif)); pool_put (mm->interfaces, vif); |