diff options
Diffstat (limited to 'src/vnet/interface.h')
| -rw-r--r-- | src/vnet/interface.h | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/src/vnet/interface.h b/src/vnet/interface.h index 87addbe67be..b582dba7c8d 100644 --- a/src/vnet/interface.h +++ b/src/vnet/interface.h @@ -154,8 +154,10 @@ static void __vnet_interface_function_deinit_##tag##_##f (void) \ _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del) #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \ _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down) -#define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \ +#define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \ _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p) +#define VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(f) \ + _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change) #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \ _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del) #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \ @@ -537,14 +539,6 @@ typedef struct vnet_hw_interface_t /* Largest packet size for this interface. */ u32 max_packet_bytes; - /* Number of extra bytes that go on the wire. - Packet length on wire - = max (length + per_packet_overhead_bytes, min_packet_bytes). */ - u32 per_packet_overhead_bytes; - - /* Receive and transmit layer 3 packet size limits (MRU/MTU). */ - u32 max_l3_packet_bytes[VLIB_N_RX_TX]; - /* Hash table mapping sub interface id to sw_if_index. */ uword *sub_interface_sw_if_index_by_id; @@ -641,6 +635,18 @@ typedef enum VNET_FLOOD_CLASS_NO_FLOOD, } vnet_flood_class_t; +/* Per protocol MTU */ +typedef enum +{ + VNET_MTU_L3, /* Default payload MTU (without L2 headers) */ + VNET_MTU_IP4, /* Per-protocol MTUs overriding default */ + VNET_MTU_IP6, + VNET_MTU_MPLS, + VNET_N_MTU +} vnet_mtu_t; + +extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link); + /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a tunnel, etc. Configuration (e.g. IP address) gets attached to software interface. */ @@ -684,6 +690,9 @@ typedef struct /* VNET_SW_INTERFACE_TYPE_HARDWARE. */ u32 hw_if_index; + /* MTU for network layer (not including L2 headers) */ + u32 mtu[VNET_N_MTU]; + /* VNET_SW_INTERFACE_TYPE_SUB. */ vnet_sub_interface_t sub; |