Use IP address types on UDP encap API

[vpp.git] / src / vnet / ip / ip6_packet.h

diff --git a/src/vnet/ip/ip6_packet.h b/src/vnet/ip/ip6_packet.h
index bb7d703..ceaa7ec 100644 (file)
--- a/src/vnet/ip/ip6_packet.h
+++ b/src/vnet/ip/ip6_packet.h
@@ -53,6 +53,11 @@ typedef union
 }
 ip6_address_t;
 
+typedef struct
+{
+  ip6_address_t addr, mask;
+} ip6_address_and_mask_t;
+
 /* Packed so that the mhash key doesn't include uninitialized pad bytes */
 /* *INDENT-OFF* */
 typedef CLIB_PACKED (struct {
@@ -62,6 +67,13 @@ typedef CLIB_PACKED (struct {
 }) ip6_address_fib_t;
 /* *INDENT-ON* */
 
+typedef enum
+{
+  IP46_TYPE_ANY,
+  IP46_TYPE_IP4,
+  IP46_TYPE_IP6
+} ip46_type_t;
+
 /* *INDENT-OFF* */
 typedef CLIB_PACKED (union {
   struct {
@@ -81,22 +93,25 @@ typedef CLIB_PACKED (union {
 #define ip46_address_is_zero(ip46)     (((ip46)->as_u64[0] == 0) && ((ip46)->as_u64[1] == 0))
 #define ip46_address_is_equal(a1, a2)  (((a1)->as_u64[0] == (a2)->as_u64[0]) \
                                          && ((a1)->as_u64[1] == (a2)->as_u64[1]))
+#define ip46_address_initializer {{{ 0 }}}
 
-always_inline void
-ip46_from_addr_buf (u32 is_ipv6, u8 * buf, ip46_address_t * ip)
+always_inline ip46_address_t
+to_ip46 (u32 is_ipv6, u8 * buf)
 {
+  ip46_address_t ip;
   if (is_ipv6)
-    ip->ip6 = *((ip6_address_t *) buf);
+    ip.ip6 = *((ip6_address_t *) buf);
   else
-    ip46_address_set_ip4 (ip, (ip4_address_t *) buf);
+    ip46_address_set_ip4 (&ip, (ip4_address_t *) buf);
+  return ip;
 }
 
+
 always_inline void
 ip6_addr_fib_init (ip6_address_fib_t * addr_fib, ip6_address_t * address,
                   u32 fib_index)
 {
-  addr_fib->ip6_addr.as_u64[0] = address->as_u64[0];
-  addr_fib->ip6_addr.as_u64[1] = address->as_u64[1];
+  addr_fib->ip6_addr = *address;
   addr_fib->fib_index = fib_index;
 }
 
@@ -291,7 +306,7 @@ ip6_address_is_loopback (ip6_address_t * a)
 
 /* Check for link local unicast fe80::/10. */
 always_inline uword
-ip6_address_is_link_local_unicast (ip6_address_t * a)
+ip6_address_is_link_local_unicast (const ip6_address_t * a)
 {
   return a->as_u8[0] == 0xfe && (a->as_u8[1] & 0xc0) == 0x80;
 }
@@ -339,6 +354,29 @@ typedef struct
   ip6_address_t src_address, dst_address;
 } ip6_header_t;
 
+always_inline u8
+ip6_traffic_class (const ip6_header_t * i)
+{
+  return (i->ip_version_traffic_class_and_flow_label & 0x0FF00000) >> 20;
+}
+
+static_always_inline u8
+ip6_traffic_class_network_order (const ip6_header_t * ip6)
+{
+  return (clib_net_to_host_u32 (ip6->ip_version_traffic_class_and_flow_label)
+         & 0x0ff00000) >> 20;
+}
+
+static_always_inline void
+ip6_set_traffic_class_network_order (ip6_header_t * ip6, u8 dscp)
+{
+  u32 tmp =
+    clib_net_to_host_u32 (ip6->ip_version_traffic_class_and_flow_label);
+  tmp &= 0xf00fffff;
+  tmp |= (dscp << 20);
+  ip6->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (tmp);
+}
+
 always_inline void *
 ip6_next_header (ip6_header_t * i)
 {
@@ -511,6 +549,9 @@ typedef CLIB_PACKED (struct {
 #define ip6_frag_hdr_offset(hdr) \
   (clib_net_to_host_u16((hdr)->fragment_offset_and_more) >> 3)
 
+#define ip6_frag_hdr_offset_bytes(hdr) \
+  (8 * ip6_frag_hdr_offset(hdr))
+
 #define ip6_frag_hdr_more(hdr) \
   (clib_net_to_host_u16((hdr)->fragment_offset_and_more) & 0x1)