ip: Router ID included in flow hash

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

diff --git a/src/vnet/ip/ip.c b/src/vnet/ip/ip.c
index bceb529..5d0c770 100644 (file)
--- a/src/vnet/ip/ip.c
+++ b/src/vnet/ip/ip.c
@@ -16,6 +16,8 @@
 #include <vnet/ip/ip.h>
 #include <vnet/fib/fib_table.h>
 
+u32 ip_flow_hash_router_id;
+
 u8
 ip_is_zero (ip46_address_t * ip46_address, u8 is_ip4)
 {
@@ -102,6 +104,113 @@ ip_set (ip46_address_t * dst, void *src, u8 is_ip4)
                      sizeof (ip6_address_t));
 }
 
+/* *INDENT-OFF* */
+static const char *ip_arc_names[N_IP_FEATURE_LOCATIONS][N_AF][N_SAFI] = {
+  [IP_FEATURE_INPUT] = {
+    [AF_IP4] = {
+      [SAFI_UNICAST] = "ip4-unicast",
+      [SAFI_MULTICAST] = "ip4-multicast",
+    },
+    [AF_IP6] = {
+      [SAFI_UNICAST] = "ip6-unicast",
+      [SAFI_MULTICAST] = "ip6-multicast",
+    },
+  },
+  [IP_FEATURE_OUTPUT] = {
+    [AF_IP4] = {
+      [SAFI_UNICAST] = "ip4-output",
+      [SAFI_MULTICAST] = "ip4-output",
+    },
+    [AF_IP6] = {
+      [SAFI_UNICAST] = "ip6-output",
+      [SAFI_MULTICAST] = "ip6-output",
+    },
+  },
+  [IP_FEATURE_LOCAL] = {
+    [AF_IP4] = {
+      [SAFI_UNICAST] = "ip4-local",
+      [SAFI_MULTICAST] = "ip4-local",
+    },
+    [AF_IP6] = {
+      [SAFI_UNICAST] = "ip6-local",
+      [SAFI_MULTICAST] = "ip6-local",
+    },
+  },
+  [IP_FEATURE_PUNT] = {
+    [AF_IP4] = {
+      [SAFI_UNICAST] = "ip4-punt",
+      [SAFI_MULTICAST] = "ip4-punt",
+    },
+    [AF_IP6] = {
+      [SAFI_UNICAST] = "ip6-punt",
+      [SAFI_MULTICAST] = "ip6-punt",
+    },
+  },
+  [IP_FEATURE_DROP] = {
+    [AF_IP4] = {
+      [SAFI_UNICAST] = "ip4-drop",
+      [SAFI_MULTICAST] = "ip4-drop",
+    },
+    [AF_IP6] = {
+      [SAFI_UNICAST] = "ip6-drop",
+      [SAFI_MULTICAST] = "ip6-drop",
+    },
+  },
+};
+/* *INDENT-ON* */
+
+void
+ip_feature_enable_disable (ip_address_family_t af,
+                          ip_sub_address_family_t safi,
+                          ip_feature_location_t loc,
+                          const char *feature_name,
+                          u32 sw_if_index, int enable,
+                          void *feature_config, u32 n_feature_config_bytes)
+{
+  if (IP_FEATURE_INPUT == loc)
+    {
+      if (N_SAFI == safi)
+       FOR_EACH_IP_ADDRESS_SUB_FAMILY (safi)
+         vnet_feature_enable_disable (ip_arc_names[loc][af][safi],
+                                      feature_name, sw_if_index,
+                                      enable, feature_config,
+                                      n_feature_config_bytes);
+      else
+       vnet_feature_enable_disable (ip_arc_names[loc][af][safi],
+                                    feature_name, sw_if_index,
+                                    enable, feature_config,
+                                    n_feature_config_bytes);
+    }
+  else
+    vnet_feature_enable_disable (ip_arc_names[loc][af][SAFI_UNICAST],
+                                feature_name, sw_if_index,
+                                enable, feature_config,
+                                n_feature_config_bytes);
+}
+
+int
+ip_flow_hash_set (ip_address_family_t af, u32 table_id, u32 flow_hash_config)
+{
+  fib_protocol_t fproto;
+  u32 fib_index;
+
+  fproto = ip_address_family_to_fib_proto (af);
+  fib_index = fib_table_find (fproto, table_id);
+
+  if (~0 == fib_index)
+    return VNET_API_ERROR_NO_SUCH_FIB;
+
+  fib_table_set_flow_hash_config (fib_index, fproto, flow_hash_config);
+
+  return 0;
+}
+
+void
+ip_flow_hash_router_id_set (u32 router_id)
+{
+  ip_flow_hash_router_id = router_id;
+}
+
 u8 *
 format_ip_address_family (u8 * s, va_list * args)
 {
@@ -138,6 +247,40 @@ unformat_ip_address_family (unformat_input_t * input, va_list * args)
   return (0);
 }
 
+u8 *
+format_ip_sub_address_family (u8 * s, va_list * args)
+{
+  ip_sub_address_family_t safi = va_arg (*args, int);  // int promo ip_sub_address_family_t);
+
+  switch (safi)
+    {
+    case SAFI_UNICAST:
+      return (format (s, "unicast"));
+    case SAFI_MULTICAST:
+      return (format (s, "multicast"));
+    }
+
+  return (format (s, "unknown"));
+}
+
+uword
+unformat_ip_sub_address_family (unformat_input_t * input, va_list * args)
+{
+  ip_sub_address_family_t *safi = va_arg (*args, ip_sub_address_family_t *);
+
+  if (unformat (input, "unicast") || unformat (input, "uni"))
+    {
+      *safi = SAFI_UNICAST;
+      return (1);
+    }
+  else if (unformat (input, "multicast") || unformat (input, "multi"))
+    {
+      *safi = SAFI_MULTICAST;
+      return (1);
+    }
+  return (0);
+}
+
 u8 *
 format_ip_dscp (u8 * s, va_list * va)
 {
@@ -155,6 +298,24 @@ format_ip_dscp (u8 * s, va_list * va)
   return (format (s, "unknown"));
 }
 
+uword
+unformat_ip_dscp (unformat_input_t * input, va_list * args)
+{
+  ip_dscp_t *dscp = va_arg (*args, ip_dscp_t *);
+
+  if (0)
+    ;
+#define _(n,v)                                                  \
+  else if (unformat (input, #v))                                \
+    *dscp = IP_DSCP_##v;
+  foreach_ip_dscp
+#undef _
+    else
+    return 0;
+
+  return 1;
+}
+
 u8 *
 format_ip_ecn (u8 * s, va_list * va)
 {