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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/interface_funcs.h
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/interface_funcs.h')
-rw-r--r--src/vnet/interface_funcs.h25
1 files changed, 13 insertions, 12 deletions
diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h
index 6e188f7f543..42b69bdf789 100644
--- a/src/vnet/interface_funcs.h
+++ b/src/vnet/interface_funcs.h
@@ -87,6 +87,15 @@ vnet_get_sup_hw_interface (vnet_main_t * vnm, u32 sw_if_index)
return vnet_get_hw_interface (vnm, sw->hw_if_index);
}
+always_inline vnet_hw_interface_t *
+vnet_get_sw_hw_interface (vnet_main_t * vnm, u32 sw_if_index)
+{
+ vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
+ if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
+ return vnet_get_hw_interface (vnm, sw->hw_if_index);
+ return vnet_get_sup_hw_interface (vnm, sw_if_index);
+}
+
always_inline vnet_hw_interface_class_t *
vnet_get_hw_interface_class (vnet_main_t * vnm, u32 hw_class_index)
{
@@ -219,19 +228,11 @@ vnet_hw_interface_get_flags (vnet_main_t * vnm, u32 hw_if_index)
}
always_inline uword
-vnet_hw_interface_get_mtu (vnet_main_t * vnm, u32 hw_if_index,
- vlib_rx_or_tx_t dir)
-{
- vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
- return hw->max_l3_packet_bytes[dir];
-}
-
-always_inline uword
vnet_sw_interface_get_mtu (vnet_main_t * vnm, u32 sw_if_index,
vlib_rx_or_tx_t dir)
{
- vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
- return (hw->max_l3_packet_bytes[dir]);
+ vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
+ return (sw->max_l3_packet_bytes[dir]);
}
always_inline uword
@@ -292,8 +293,8 @@ clib_error_t *set_hw_interface_change_rx_mode (vnet_main_t * vnm,
vnet_hw_interface_rx_mode
mode);
-/* Set the MTU on the HW interface */
-void vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu);
+/* Set the MTU on the SW interface */
+int vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu);
/* update the unnumbered state of an interface */
void vnet_sw_interface_update_unnumbered (u32 sw_if_index,