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-rw-r--r--src/vnet/unix/pcap.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/vnet/unix/pcap.h b/src/vnet/unix/pcap.h
index 1ab1531cfa3..2c174fbedf9 100644
--- a/src/vnet/unix/pcap.h
+++ b/src/vnet/unix/pcap.h
@@ -123,6 +123,9 @@ typedef struct
*/
typedef struct
{
+ /** spinlock to protect e.g. pcap_data */
+ clib_spinlock_t lock;
+
/** File name of pcap output. */
char *file_name;
@@ -213,6 +216,7 @@ pcap_add_buffer (pcap_main_t * pm,
if (PREDICT_TRUE (pm->n_packets_captured < pm->n_packets_to_capture))
{
+ clib_spinlock_lock_if_init (&pm->lock);
d = pcap_add_packet (pm, time_now, n_left, n);
while (1)
{
@@ -225,6 +229,7 @@ pcap_add_buffer (pcap_main_t * pm,
ASSERT (b->flags & VLIB_BUFFER_NEXT_PRESENT);
b = vlib_get_buffer (vm, b->next_buffer);
}
+ clib_spinlock_unlock_if_init (&pm->lock);
}
}