ligang/vpp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add packet/byte count output tx stats to tunap interface

Browse Source 
Change-Id: I167c49d2a64e7a36a176d57054ecd99b398a9cca
Signed-off-by: John Lo <loj@cisco.com>
This commit is contained in:
John Lo
2016-09-04 08:55:34 -04:00
committed by Dave Barach
parent 07d2f84907
commit 7394b5b06b
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
vnet/vnet/unix/tuntap.c
View File

@ -141,6 +141,9 @@ tuntap_tx (vlib_main_t * vm,
u32 * buffers = vlib_frame_args (frame);
uword n_packets = frame->n_vectors;
tuntap_main_t * tm = &tuntap_main;
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
u32 n_bytes = 0;
int i;
for (i = 0; i < n_packets; i++)
@ -181,8 +184,17 @@ tuntap_tx (vlib_main_t * vm,
if (writev (tm->dev_net_tun_fd, tm->iovecs, vec_len (tm->iovecs)) < l)
clib_unix_warning ("writev");
n_bytes += l;
}
/* Update tuntap interface output stats. */
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_TX,
vm->cpu_index,
tm->sw_if_index, n_packets, n_bytes);
/** The normal interface path flattens the buffer chain */
if (tm->have_normal_interface)
vlib_buffer_free_no_next (vm, buffers, n_packets);