diff options
Diffstat (limited to 'src/vnet/interface_funcs.h')
| -rw-r--r-- | src/vnet/interface_funcs.h | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h index e1568e33b5d..c4dd3b72e51 100644 --- a/src/vnet/interface_funcs.h +++ b/src/vnet/interface_funcs.h @@ -262,20 +262,22 @@ vnet_hw_interface_get_flags (vnet_main_t * vnm, u32 hw_if_index) return hw->flags; } -always_inline uword -vnet_hw_interface_get_mtu (vnet_main_t * vnm, u32 hw_if_index, - vlib_rx_or_tx_t dir) +always_inline u32 +vnet_hw_interface_get_mtu (vnet_main_t * vnm, u32 hw_if_index) { vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); - return hw->max_l3_packet_bytes[dir]; + return hw->max_packet_bytes; } -always_inline uword -vnet_sw_interface_get_mtu (vnet_main_t * vnm, u32 sw_if_index, - vlib_rx_or_tx_t dir) +always_inline u32 +vnet_sw_interface_get_mtu (vnet_main_t * vnm, u32 sw_if_index, vnet_mtu_t af) { - 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); + u32 mtu; + mtu = sw->mtu[af] > 0 ? sw->mtu[af] : sw->mtu[VNET_MTU_L3]; + if (mtu == 0) + return 9000; /* $$$ Deal with interface-types not setting MTU */ + return mtu; } always_inline uword @@ -339,6 +341,11 @@ clib_error_t *set_hw_interface_change_rx_mode (vnet_main_t * vnm, /* 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 */ +void vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu); +void vnet_sw_interface_set_protocol_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, u32 ip_sw_if_index, u8 enable); |