diff options
Diffstat (limited to 'src/vnet/unix/pcap.h')
| -rw-r--r-- | src/vnet/unix/pcap.h | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/src/vnet/unix/pcap.h b/src/vnet/unix/pcap.h index 7d55db37979..1ab1531cfa3 100644 --- a/src/vnet/unix/pcap.h +++ b/src/vnet/unix/pcap.h @@ -211,23 +211,21 @@ pcap_add_buffer (pcap_main_t * pm, f64 time_now = vlib_time_now (vm); void *d; - d = pcap_add_packet (pm, time_now, n_left, n); - while (1) + if (PREDICT_TRUE (pm->n_packets_captured < pm->n_packets_to_capture)) { - u32 copy_length = clib_min ((u32) n_left, b->current_length); - clib_memcpy (d, b->data + b->current_data, copy_length); - n_left -= b->current_length; - if (n_left <= 0) - break; - d += b->current_length; - ASSERT (b->flags & VLIB_BUFFER_NEXT_PRESENT); - b = vlib_get_buffer (vm, b->next_buffer); + d = pcap_add_packet (pm, time_now, n_left, n); + while (1) + { + u32 copy_length = clib_min ((u32) n_left, b->current_length); + clib_memcpy (d, b->data + b->current_data, copy_length); + n_left -= b->current_length; + if (n_left <= 0) + break; + d += b->current_length; + ASSERT (b->flags & VLIB_BUFFER_NEXT_PRESENT); + b = vlib_get_buffer (vm, b->next_buffer); + } } - - /** Flush output vector. */ - if (vec_len (pm->pcap_data) >= 64 * 1024 - || pm->n_packets_captured >= pm->n_packets_to_capture) - pcap_write (pm); } #endif /* included_vnet_pcap_h */ |