#include <vnet/ip/ip4_mtrie.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/lookup.h>
+#include <vnet/ip/ip_feature_registration.h>
typedef struct ip4_fib_t {
/* Hash table for each prefix length mapping. */
uword function_opaque;
} ip4_add_del_interface_address_callback_t;
-typedef enum {
- /* First check access list to either permit or deny this
- packet based on classification. */
- IP4_RX_FEATURE_CHECK_ACCESS,
-
- /* RPF check: verify that source address is reachable via
- RX interface or via any interface. */
- IP4_RX_FEATURE_SOURCE_CHECK_REACHABLE_VIA_RX,
- IP4_RX_FEATURE_SOURCE_CHECK_REACHABLE_VIA_ANY,
-
- /* IPSec */
- IP4_RX_FEATURE_IPSEC,
-
- /* vPath forwarding: won't return to call next feature
- so any feature needed before vPath forwarding must be prior
- to this entry */
- IP4_RX_FEATURE_VPATH,
-
- /* Must be last: perform forwarding lookup. */
- IP4_RX_FEATURE_LOOKUP,
-
- IP4_N_RX_FEATURE,
-} ip4_rx_feature_type_t;
-
typedef struct ip4_main_t {
ip_lookup_main_t lookup_main;
/* Template used to generate IP4 ARP packets. */
vlib_packet_template_t ip4_arp_request_packet_template;
+ /* 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 ip4_unicast_rx_feature_check_access;
+ u32 ip4_unicast_rx_feature_source_reachable_via_rx;
+ u32 ip4_unicast_rx_feature_source_reachable_via_any;
+ u32 ip4_unicast_rx_feature_ipsec;
+ u32 ip4_unicast_rx_feature_vpath;
+ u32 ip4_unicast_rx_feature_lookup;
+
+ /* Built-in multicast feature path indices */
+ u32 ip4_multicast_rx_feature_vpath;
+ u32 ip4_multicast_rx_feature_lookup;
+
/* Seed for Jenkins hash used to compute ip4 flow hash. */
u32 flow_hash_seed;
/* Global ip4 main structure. */
extern ip4_main_t ip4_main;
+#define VNET_IP4_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) \
+{ \
+ ip4_main_t * im = &ip4_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_IP4_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) \
+{ \
+ ip4_main_t * im = &ip4_main; \
+ mc_##x.next = im->next_mc_feature; \
+ im->next_mc_feature = &mc_##x; \
+} \
+__VA_ARGS__ vnet_ip_feature_registration_t mc_##x
+
+
/* Global ip4 input node. Errors get attached to ip4 input node. */
extern vlib_node_registration_t ip4_input_node;
extern vlib_node_registration_t ip4_lookup_node;