X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Fip4.h;h=2a3743febb3de2184470de1b35adea633eeeb534;hb=ea93e48cf6e918937422638cb574964b88a146b6;hp=8187a9dd0e2c46d27b94082bf74e849a91019547;hpb=8637634d4dbc3e8cc90f78307d2069524b8f8f5e;p=vpp.git

diff --git a/src/vnet/ip/ip4.h b/src/vnet/ip/ip4.h
index 8187a9dd0e2..2a3743febb3 100644
--- a/src/vnet/ip/ip4.h
+++ b/src/vnet/ip/ip4.h
@@ -45,6 +45,7 @@
 #include <vnet/buffer.h>
 #include <vnet/feature/feature.h>
 #include <vnet/ip/icmp46_packet.h>
+#include <vnet/util/throttle.h>
 
 typedef struct ip4_mfib_t
 {
@@ -73,6 +74,15 @@ typedef struct
   uword function_opaque;
 } ip4_add_del_interface_address_callback_t;
 
+typedef void (ip4_enable_disable_interface_function_t)
+  (struct ip4_main_t * im, uword opaque, u32 sw_if_index, u32 is_enable);
+
+typedef struct
+{
+  ip4_enable_disable_interface_function_t *function;
+  uword function_opaque;
+} ip4_enable_disable_interface_callback_t;
+
 typedef void (ip4_table_bind_function_t)
   (struct ip4_main_t * im,
    uword opaque, u32 sw_if_index, u32 new_fib_index, u32 old_fib_index);
@@ -128,6 +138,10 @@ typedef struct ip4_main_t
     ip4_add_del_interface_address_callback_t
     * add_del_interface_address_callbacks;
 
+  /** Functions to call when interface becomes IPv4 enabled/disable. */
+    ip4_enable_disable_interface_callback_t
+    * enable_disable_interface_callbacks;
+
   /** Functions to call when interface to table biding changes. */
   ip4_table_bind_callback_t *table_bind_callbacks;
 
@@ -154,8 +168,14 @@ typedef struct ip4_main_t
 
   /** The memory heap for the mtries */
   void *mtrie_mheap;
+
+  /** ARP throttling */
+  throttle_t arp_throttle;
+
 } ip4_main_t;
 
+#define ARP_THROTTLE_BITS	(512)
+
 /** Global ip4 main structure. */
 extern ip4_main_t ip4_main;
 
@@ -245,6 +265,8 @@ clib_error_t *ip4_add_del_interface_address (vlib_main_t * vm,
 					     ip4_address_t * address,
 					     u32 address_length, u32 is_del);
 
+void ip4_directed_broadcast (u32 sw_if_index, u8 enable);
+
 void ip4_sw_interface_enable_disable (u32 sw_if_index, u32 is_enable);
 
 int ip4_address_compare (ip4_address_t * a1, ip4_address_t * a2);
@@ -259,13 +281,11 @@ uword
 ip4_udp_register_listener (vlib_main_t * vm,
 			   u16 dst_port, u32 next_node_index);
 
-void
-ip4_icmp_register_type (vlib_main_t * vm, icmp4_type_t type, u32 node_index);
-
 u16 ip4_tcp_udp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0,
 				  ip4_header_t * ip0);
 
 void ip4_register_protocol (u32 protocol, u32 node_index);
+void ip4_unregister_protocol (u32 protocolx);
 
 serialize_function_t serialize_vnet_ip4_main, unserialize_vnet_ip4_main;
 
@@ -279,6 +299,9 @@ void ip4_punt_policer_add_del (u8 is_add, u32 policer_index);
 
 void ip4_punt_redirect_add (u32 rx_sw_if_index,
 			    u32 tx_sw_if_index, ip46_address_t * nh);
+void ip4_punt_redirect_add_paths (u32 rx_sw_if_index,
+				  fib_route_path_t * paths);
+
 void ip4_punt_redirect_del (u32 rx_sw_if_index);
 
 /* Compute flow hash.  We'll use it to select which adjacency to use for this
@@ -299,7 +322,6 @@ ip4_compute_flow_hash (const ip4_header_t * ip,
 
   a = (flow_hash_config & IP_FLOW_HASH_REVERSE_SRC_DST) ? t2 : t1;
   b = (flow_hash_config & IP_FLOW_HASH_REVERSE_SRC_DST) ? t1 : t2;
-  b ^= (flow_hash_config & IP_FLOW_HASH_PROTO) ? ip->protocol : 0;
 
   t1 = is_tcp_udp ? tcp->src : 0;
   t2 = is_tcp_udp ? tcp->dst : 0;
@@ -307,6 +329,23 @@ ip4_compute_flow_hash (const ip4_header_t * ip,
   t1 = (flow_hash_config & IP_FLOW_HASH_SRC_PORT) ? t1 : 0;
   t2 = (flow_hash_config & IP_FLOW_HASH_DST_PORT) ? t2 : 0;
 
+  if (flow_hash_config & IP_FLOW_HASH_SYMMETRIC)
+    {
+      if (b < a)
+	{
+	  c = a;
+	  a = b;
+	  b = c;
+	}
+      if (t2 < t1)
+	{
+	  t2 += t1;
+	  t1 = t2 - t1;
+	  t2 = t2 - t1;
+	}
+    }
+
+  b ^= (flow_hash_config & IP_FLOW_HASH_PROTO) ? ip->protocol : 0;
   c = (flow_hash_config & IP_FLOW_HASH_REVERSE_SRC_DST) ?
     (t1 << 16) | t2 : (t2 << 16) | t1;
 
@@ -370,6 +409,8 @@ vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
       vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data;
       vnet_buffer (b)->l4_hdr_offset = vnet_buffer (b)->l3_hdr_offset +
 	sizeof (*ih);
+      b->flags |=
+	VNET_BUFFER_F_L3_HDR_OFFSET_VALID | VNET_BUFFER_F_L4_HDR_OFFSET_VALID;
     }
   else
     ih->checksum = ip4_header_checksum (ih);