ip: Replace Sematics for Interface IP addresses

[vpp.git] / src / vnet / ip / ip.c

diff --git a/src/vnet/ip/ip.c b/src/vnet/ip/ip.c
index bd9706b..38e53fd 100644 (file)
--- a/src/vnet/ip/ip.c
+++ b/src/vnet/ip/ip.c
@@ -31,7 +31,21 @@ ip_is_local_host (ip46_address_t * ip46_address, u8 is_ip4)
   if (is_ip4)
     return (ip46_address->ip4.as_u8[0] == 127);
   else
-    return (ip46_address->as_u64[0] == 0 && ip46_address->as_u64[1] == 1);
+    return (ip46_address->as_u64[0] == 0 &&
+           clib_net_to_host_u64 (ip46_address->as_u64[1]) == 1);
+}
+
+u8
+ip4_is_local_host (ip4_address_t * ip4_address)
+{
+  return (ip4_address->as_u8[0] == 127);
+}
+
+u8
+ip6_is_local_host (ip6_address_t * ip6_address)
+{
+  return (ip6_address->as_u64[0] == 0 &&
+         clib_net_to_host_u64 (ip6_address->as_u64[1]) == 1);
 }
 
 /**
@@ -56,8 +70,8 @@ ip_is_local (u32 fib_index, ip46_address_t * ip46_address, u8 is_ip4)
       prefix.fp_proto = FIB_PROTOCOL_IP6;
     }
 
-  clib_memcpy (&prefix.fp_addr, ip46_address, sizeof (ip46_address_t));
-  fei = fib_table_lookup (0, &prefix);
+  clib_memcpy_fast (&prefix.fp_addr, ip46_address, sizeof (ip46_address_t));
+  fei = fib_table_lookup (fib_index, &prefix);
   flags = fib_entry_get_flags (fei);
 
   return (flags & FIB_ENTRY_FLAG_LOCAL);
@@ -69,7 +83,7 @@ ip_copy (ip46_address_t * dst, ip46_address_t * src, u8 is_ip4)
   if (is_ip4)
     dst->ip4.as_u32 = src->ip4.as_u32;
   else
-    clib_memcpy (&dst->ip6, &src->ip6, sizeof (ip6_address_t));
+    clib_memcpy_fast (&dst->ip6, &src->ip6, sizeof (ip6_address_t));
 }
 
 void
@@ -78,74 +92,78 @@ ip_set (ip46_address_t * dst, void *src, u8 is_ip4)
   if (is_ip4)
     dst->ip4.as_u32 = ((ip4_address_t *) src)->as_u32;
   else
-    clib_memcpy (&dst->ip6, (ip6_address_t *) src, sizeof (ip6_address_t));
+    clib_memcpy_fast (&dst->ip6, (ip6_address_t *) src,
+                     sizeof (ip6_address_t));
 }
 
-u8
-ip_interface_has_address (u32 sw_if_index, ip46_address_t * ip, u8 is_ip4)
+u8 *
+format_ip_address_family (u8 * s, va_list * args)
 {
-  ip_interface_address_t *ia = 0;
+  ip_address_family_t af = va_arg (*args, int);        // int promo ip_address_family_t);
 
-  if (is_ip4)
+  switch (af)
     {
-      ip_lookup_main_t *lm4 = &ip4_main.lookup_main;
-      ip4_address_t *ip4;
-      /* *INDENT-OFF* */
-      foreach_ip_interface_address (lm4, ia, sw_if_index, 1 /* unnumbered */ ,
-      ({
-        ip4 = ip_interface_address_get_address (lm4, ia);
-        if (ip4_address_compare (ip4, &ip->ip4) == 0)
-          return 1;
-      }));
-      /* *INDENT-ON* */
+    case AF_IP4:
+      return (format (s, "ip4"));
+    case AF_IP6:
+      return (format (s, "ip6"));
     }
-  else
+
+  return (format (s, "unknown"));
+}
+
+uword
+unformat_ip_address_family (unformat_input_t * input, va_list * args)
+{
+  ip_address_family_t *af = va_arg (*args, ip_address_family_t *);
+
+  if (unformat (input, "ip4") || unformat (input, "ipv4") ||
+      unformat (input, "IP4") || unformat (input, "IPv4"))
     {
-      ip_lookup_main_t *lm6 = &ip6_main.lookup_main;
-      ip6_address_t *ip6;
-      /* *INDENT-OFF* */
-      foreach_ip_interface_address (lm6, ia, sw_if_index, 1 /* unnumbered */ ,
-      ({
-        ip6 = ip_interface_address_get_address (lm6, ia);
-        if (ip6_address_compare (ip6, &ip->ip6) == 0)
-          return 1;
-      }));
-      /* *INDENT-ON* */
+      *af = AF_IP4;
+      return (1);
     }
-  return 0;
+  else if (unformat (input, "ip6") || unformat (input, "ipv6") ||
+          unformat (input, "IP6") || unformat (input, "IPv6"))
+    {
+      *af = AF_IP6;
+      return (1);
+    }
+  return (0);
 }
 
-void *
-ip_interface_get_first_ip (u32 sw_if_index, u8 is_ip4)
+u8 *
+format_ip_dscp (u8 * s, va_list * va)
 {
-  ip_lookup_main_t *lm4 = &ip4_main.lookup_main;
-  ip_lookup_main_t *lm6 = &ip6_main.lookup_main;
-  ip_interface_address_t *ia = 0;
+  ip_dscp_t dscp = va_arg (*va, u32);  // int promotion of u8
 
-  if (is_ip4)
+  switch (dscp)
     {
-      /* *INDENT-OFF* */
-      foreach_ip_interface_address (lm4, ia, sw_if_index, 1 /* unnumbered */ ,
-      ({
-        return ip_interface_address_get_address (lm4, ia);
-      }));
-      /* *INDENT-ON* */
+#define _(n,v)                                                  \
+    case IP_DSCP_##v:                                           \
+      return (format (s, "%s", #v));
+      foreach_ip_dscp
+#undef _
     }
-  else
+
+  return (format (s, "unknown"));
+}
+
+u8 *
+format_ip_ecn (u8 * s, va_list * va)
+{
+  ip_ecn_t ecn = va_arg (*va, u32);    // int promotion of u8
+
+  switch (ecn)
     {
-      /* *INDENT-OFF* */
-      foreach_ip_interface_address (lm6, ia, sw_if_index, 1 /* unnumbered */ ,
-      ({
-        ip6_address_t *rv;
-        rv = ip_interface_address_get_address (lm6, ia);
-        /* Trying to use a link-local ip6 src address is a fool's errand */
-        if (!ip6_address_is_link_local_unicast (rv))
-          return rv;
-      }));
-      /* *INDENT-ON* */
+#define _(n,v)                                                  \
+    case IP_ECN_##v:                                           \
+      return (format (s, "%s", #v));
+      foreach_ip_ecn
+#undef _
     }
 
-  return 0;
+  return (format (s, "unknown"));
 }
 
 /*