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authorOle Troan <ot@cisco.com>2018-03-27 14:48:39 +0200
committerNeale Ranns <nranns@cisco.com>2018-04-13 13:27:44 +0000
commit70083ee74c3141bbefb185525315f1b34497dcaa (patch)
tree2b93f23b853239152864ad5ee0db073d37c341ea /src/vnet/unix/tapcli.c
parent25b049484fcf9161edb2c19250066b893c38c264 (diff)
MTU: Setting of MTU on software interface (instead of hardware interface)
Change-Id: I98bd454a761a1032738a21edeb0fe847e801f901 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vnet/unix/tapcli.c')
-rw-r--r--src/vnet/unix/tapcli.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/vnet/unix/tapcli.c b/src/vnet/unix/tapcli.c
index 10a86a457e8..5c550bc3320 100644
--- a/src/vnet/unix/tapcli.c
+++ b/src/vnet/unix/tapcli.c
@@ -1068,8 +1068,9 @@ vnet_tap_connect (vlib_main_t * vm, vnet_tap_connect_args_t * ap)
hw = vnet_get_hw_interface (tm->vnet_main, ti->hw_if_index);
hw->min_supported_packet_bytes = TAP_MTU_MIN;
hw->max_supported_packet_bytes = TAP_MTU_MAX;
- hw->max_l3_packet_bytes[VLIB_RX] = hw->max_l3_packet_bytes[VLIB_TX] =
- hw->max_supported_packet_bytes - sizeof (ethernet_header_t);
+ vnet_sw_interface_set_mtu (tm->vnet_main, hw->sw_if_index,
+ hw->max_supported_packet_bytes -
+ sizeof (ethernet_header_t));
ti->sw_if_index = hw->sw_if_index;
if (ap->sw_if_indexp)
*(ap->sw_if_indexp) = hw->sw_if_index;