diff options
Diffstat (limited to 'src/vnet/devices/af_packet/device.c')
| -rw-r--r-- | src/vnet/devices/af_packet/device.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/vnet/devices/af_packet/device.c b/src/vnet/devices/af_packet/device.c index 1fb4000f6e6..e3bf9bbc51b 100644 --- a/src/vnet/devices/af_packet/device.c +++ b/src/vnet/devices/af_packet/device.c @@ -92,6 +92,12 @@ af_packet_interface_tx (vlib_main_t * vm, struct tpacket2_hdr *tph; u32 frame_not_ready = 0; + if (PREDICT_FALSE (apif->lockp != 0)) + { + while (__sync_lock_test_and_set (apif->lockp, 1)) + ; + } + while (n_left > 0) { u32 len; @@ -152,6 +158,9 @@ af_packet_interface_tx (vlib_main_t * vm, } } + if (PREDICT_FALSE (apif->lockp != 0)) + *apif->lockp = 0; + if (PREDICT_FALSE (frame_not_ready)) vlib_error_count (vm, node->node_index, AF_PACKET_TX_ERROR_FRAME_NOT_READY, frame_not_ready); |