Pipes

[vpp.git] / src / vnet / interface_funcs.h

diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h
index 3f910f9..08af7f2 100644 (file)
--- a/src/vnet/interface_funcs.h
+++ b/src/vnet/interface_funcs.h
@@ -82,6 +82,7 @@ vnet_get_sup_sw_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_SUB ||
+      sw->type == VNET_SW_INTERFACE_TYPE_PIPE ||
       sw->type == VNET_SW_INTERFACE_TYPE_P2P)
     sw = vnet_get_sw_interface (vnm, sw->sup_sw_if_index);
   return sw;
@@ -91,7 +92,8 @@ always_inline vnet_hw_interface_t *
 vnet_get_sup_hw_interface (vnet_main_t * vnm, u32 sw_if_index)
 {
   vnet_sw_interface_t *sw = vnet_get_sup_sw_interface (vnm, sw_if_index);
-  ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
+  ASSERT ((sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE) ||
+         (sw->type == VNET_SW_INTERFACE_TYPE_PIPE));
   return vnet_get_hw_interface (vnm, sw->hw_if_index);
 }
 
@@ -147,11 +149,20 @@ vnet_clear_sw_interface_tag (vnet_main_t * vnm, u32 sw_if_index)
     }
 }
 
+/**
+ * Walk return code
+ */
+typedef enum walk_rc_t_
+{
+  WALK_STOP,
+  WALK_CONTINUE,
+} walk_rc_t;
+
 /**
  * Call back walk type for walking SW indices on a HW interface
  */
-typedef void (*vnet_hw_sw_interface_walk_t) (vnet_main_t * vnm,
-                                            u32 sw_if_index, void *ctx);
+typedef walk_rc_t (*vnet_hw_sw_interface_walk_t) (vnet_main_t * vnm,
+                                                 u32 sw_if_index, void *ctx);
 
 /**
  * @brief
@@ -162,6 +173,34 @@ void vnet_hw_interface_walk_sw (vnet_main_t * vnm,
                                u32 hw_if_index,
                                vnet_hw_sw_interface_walk_t fn, void *ctx);
 
+/**
+ * Call back walk type for walking SW indices on a HW interface
+ */
+typedef walk_rc_t (*vnet_sw_interface_walk_t) (vnet_main_t * vnm,
+                                              vnet_sw_interface_t * si,
+                                              void *ctx);
+
+/**
+ * @brief
+ * Walk all the SW interfaces in the system.
+ */
+void vnet_sw_interface_walk (vnet_main_t * vnm,
+                            vnet_sw_interface_walk_t fn, void *ctx);
+
+
+/**
+ * Call back walk type for walking all HW indices
+ */
+typedef walk_rc_t (*vnet_hw_interface_walk_t) (vnet_main_t * vnm,
+                                              u32 hw_if_index, void *ctx);
+
+/**
+ * @brief
+ * Walk all the HW interface
+ */
+void vnet_hw_interface_walk (vnet_main_t * vnm,
+                            vnet_hw_interface_walk_t fn, void *ctx);
+
 /* Register a hardware interface instance. */
 u32 vnet_register_interface (vnet_main_t * vnm,
                             u32 dev_class_index,
@@ -239,20 +278,22 @@ 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
@@ -316,6 +357,11 @@ 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);