VPP-243 - Coding style changes - updated emacs LISP styleify
[vpp.git] / vnet / vnet / ip / ip6.h
index 69e69f2..3d6c9f4 100644 (file)
@@ -44,6 +44,7 @@
 #include <vnet/ip/ip6_packet.h>
 #include <vnet/ip/ip6_hop_by_hop_packet.h>
 #include <vnet/ip/lookup.h>
+#include <vnet/ip/ip_feature_registration.h>
 #include <stdbool.h>
 #include <vppinfra/bihash_24_8.h>
 #include <vppinfra/bihash_template.h>
@@ -103,33 +104,6 @@ typedef struct {
   uword function_opaque;
 } ip6_add_del_interface_address_callback_t;
 
-typedef enum {
-  /* First check access list to either permit or deny this
-     packet based on classification. */
-  IP6_RX_FEATURE_CHECK_ACCESS,
-
-  /* RPF check: verify that source address is reachable via
-     RX interface or via any interface. */
-  IP6_RX_FEATURE_CHECK_SOURCE_REACHABLE_VIA_RX,
-  IP6_RX_FEATURE_CHECK_SOURCE_REACHABLE_VIA_ANY,
-
-  /* IPSec */
-  IP6_RX_FEATURE_IPSEC,
-
-  /* Intercept and decap L2TPv3 packets. */
-  IP6_RX_FEATURE_L2TPV3,
-
-  /* vPath forwarding: won't return to call next feature
-     so any feature needed before vPath forwarding must be prior
-     to this entry */
-  IP6_RX_FEATURE_VPATH,
-
-  /* Must be last: perform forwarding lookup. */
-  IP6_RX_FEATURE_LOOKUP,
-
-  IP6_N_RX_FEATURE,
-} ip6_rx_feature_type_t;
-
 typedef struct ip6_main_t {
   BVT(clib_bihash) ip6_lookup_table;
 
@@ -168,6 +142,25 @@ typedef struct ip6_main_t {
   u32 lookup_table_nbuckets;
   uword lookup_table_size;
 
+  /* feature path configuration lists */
+  vnet_ip_feature_registration_t * next_uc_feature;
+  vnet_ip_feature_registration_t * next_mc_feature;
+
+  /* Built-in unicast feature path indices, see ip_feature_init_cast(...)  */
+  u32 ip6_unicast_rx_feature_check_access;
+  u32 ip6_unicast_rx_feature_policer_classify;
+  u32 ip6_unicast_rx_feature_ipsec;
+  u32 ip6_unicast_rx_feature_l2tp_decap;
+  u32 ip6_unicast_rx_feature_vpath;
+  u32 ip6_unicast_rx_feature_lookup;
+
+  /* Built-in multicast feature path indices */
+  u32 ip6_multicast_rx_feature_vpath;
+  u32 ip6_multicast_rx_feature_lookup;
+
+  /* Save results for show command */
+  char ** feature_nodes[VNET_N_CAST];
+
   /* Seed for Jenkins hash used to compute ip6 flow hash. */
   u32 flow_hash_seed;
 
@@ -185,6 +178,30 @@ typedef struct ip6_main_t {
 /* Global ip6 main structure. */
 extern ip6_main_t ip6_main;
 
+#define VNET_IP6_UNICAST_FEATURE_INIT(x,...)                    \
+  __VA_ARGS__ vnet_ip_feature_registration_t uc_##x;            \
+static void __vnet_add_feature_registration_uc_##x (void)       \
+  __attribute__((__constructor__)) ;                            \
+static void __vnet_add_feature_registration_uc_##x (void)       \
+{                                                               \
+  ip6_main_t * im = &ip6_main;                                  \
+  uc_##x.next = im->next_uc_feature;                            \
+  im->next_uc_feature = &uc_##x;                                \
+}                                                               \
+__VA_ARGS__ vnet_ip_feature_registration_t uc_##x 
+
+#define VNET_IP6_MULTICAST_FEATURE_INIT(x,...)                  \
+  __VA_ARGS__ vnet_ip_feature_registration_t mc_##x;            \
+static void __vnet_add_feature_registration_mc_##x (void)       \
+  __attribute__((__constructor__)) ;                            \
+static void __vnet_add_feature_registration_mc_##x (void)       \
+{                                                               \
+  ip6_main_t * im = &ip6_main;                                  \
+  mc_##x.next = im->next_mc_feature;                            \
+  im->next_mc_feature = &mc_##x;                                \
+}                                                               \
+__VA_ARGS__ vnet_ip_feature_registration_t mc_##x 
+
 /* Global ip6 input node.  Errors get attached to ip6 input node. */
 extern vlib_node_registration_t ip6_input_node;
 extern vlib_node_registration_t ip6_rewrite_node;
@@ -276,13 +293,16 @@ ip6_unaligned_destination_matches_route (ip6_main_t * im,
   return 1;
 }
 
-always_inline void
+always_inline int
 ip6_src_address_for_packet (ip6_main_t * im, vlib_buffer_t * p, ip6_address_t * src, u32 sw_if_index)
 {
   ip_lookup_main_t * lm = &im->lookup_main;
   ip_interface_address_t * ia = ip_interface_address_for_packet (lm, p, sw_if_index);
+  if (ia == NULL)
+    return -1;
   ip6_address_t * a = ip_interface_address_get_address (lm, ia);
   *src = a[0];
+  return 0;
 }
 
 always_inline u32
@@ -370,6 +390,14 @@ void ip6_add_del_route_next_hop (ip6_main_t * im,
                                 u32 next_hop_sw_if_index,
                                 u32 next_hop_weight, u32 adj_index,
                                  u32 explicit_fib_index);
+
+u32
+ip6_route_get_next_hop_adj (ip6_main_t * im,
+                           u32 fib_index,
+                           ip6_address_t *next_hop,
+                           u32 next_hop_sw_if_index,
+                           u32 explicit_fib_index);
+
 u32
 ip6_get_route (ip6_main_t * im,
               u32 fib_index_or_table_id,
@@ -449,7 +477,7 @@ int vnet_set_ip6_flow_hash (u32 table_id, u32 flow_hash_config);
 
 int
 ip6_neighbor_ra_config(vlib_main_t * vm, u32 sw_if_index, 
-                      u8 surpress, u8 managed, u8 other,
+                      u8 suppress, u8 managed, u8 other,
                       u8 ll_option,  u8 send_unicast,  u8 cease, 
                       u8 use_lifetime,  u32 lifetime,
                       u32 initial_count,  u32 initial_interval,