* Protocol Type. packed so it consumes a u8 only
*/
typedef enum fib_protocol_t_ {
- FIB_PROTOCOL_IP4 = 0,
- FIB_PROTOCOL_IP6,
- FIB_PROTOCOL_MPLS,
+ FIB_PROTOCOL_IP4 = DPO_PROTO_IP4,
+ FIB_PROTOCOL_IP6 = DPO_PROTO_IP6,
+ FIB_PROTOCOL_MPLS = DPO_PROTO_MPLS,
} __attribute__ ((packed)) fib_protocol_t;
#define FIB_PROTOCOLS { \
FIB_FORW_CHAIN_TYPE_MCAST_IP6,
/**
* Contribute an object that is to be used to forward Ethernet packets.
+ */
+ FIB_FORW_CHAIN_TYPE_ETHERNET,
+ /**
+ * Contribute an object that is to be used to forward NSH packets.
* This is last in the list since it is not valid for many FIB objects,
* and thus their array of per-chain-type DPOs can be sized smaller.
*/
- FIB_FORW_CHAIN_TYPE_ETHERNET,
+ FIB_FORW_CHAIN_TYPE_NSH,
} __attribute__ ((packed)) fib_forward_chain_type_t;
#define FIB_FORW_CHAINS { \
[FIB_FORW_CHAIN_TYPE_MCAST_IP6] = "multicast-ip6", \
[FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS] = "mpls-neos", \
[FIB_FORW_CHAIN_TYPE_MPLS_EOS] = "mpls-eos", \
+ [FIB_FORW_CHAIN_TYPE_NSH] = "nsh", \
}
-#define FIB_FORW_CHAIN_NUM (FIB_FORW_CHAIN_TYPE_MPLS_ETHERNET+1)
+#define FIB_FORW_CHAIN_NUM (FIB_FORW_CHAIN_TYPE_NSH+1)
#define FIB_FORW_CHAIN_MPLS_NUM (FIB_FORW_CHAIN_TYPE_MPLS_EOS+1)
#define FOR_EACH_FIB_FORW_CHAIN(_item) \
for (_item = FIB_FORW_CHAIN_TYPE_UNICAST_IP4; \
- _item <= FIB_FORW_CHAIN_TYPE_ETHERNET; \
+ _item <= FIB_FORW_CHAIN_TYPE_NSH; \
_item++)
#define FOR_EACH_FIB_FORW_MPLS_CHAIN(_item) \
for (_item = FIB_TYPE_SPEICAL_FIRST; \
_item <= FIB_SPEICAL_TYPE_LAST; _item++)
-extern u8 * format_fib_protocol(u8 * s, va_list ap);
-extern u8 * format_vnet_link(u8 *s, va_list ap);
+extern u8 * format_fib_protocol(u8 * s, va_list *ap);
+extern u8 * format_vnet_link(u8 *s, va_list *ap);
/**
* Path flags from the control plane
* A for-us/local path
*/
FIB_ROUTE_PATH_LOCAL = (1 << 2),
+ /**
+ * Attached path
+ */
+ FIB_ROUTE_PATH_ATTACHED = (1 << 3),
+ /**
+ * A Drop path - resolve the path on the drop DPO
+ */
+ FIB_ROUTE_PATH_DROP = (1 << 4),
+ /**
+ * Don't resolve the path, use the DPO the client provides
+ */
+ FIB_ROUTE_PATH_EXCLUSIVE = (1 << 5),
+ /**
+ * A path that result in received traffic being recieved/recirculated
+ * so that it appears to have arrived on the new interface
+ */
+ FIB_ROUTE_PATH_INTF_RX = (1 << 6),
+ /**
+ * A local path with a RPF-ID => multicast traffic
+ */
+ FIB_ROUTE_PATH_RPF_ID = (1 << 7),
+ /**
+ * A deag path using the packet's source not destination address.
+ */
+ FIB_ROUTE_PATH_SOURCE_LOOKUP = (1 << 8),
+ /**
+ * A path via a UDP encap object.
+ */
+ FIB_ROUTE_PATH_UDP_ENCAP = (1 << 9),
} fib_route_path_flags_t;
+/**
+ * An RPF-ID is numerical value that is used RPF validate. An entry
+ * has-a RPF-ID, when a packet egress from (e.g. an LSP) it gains an
+ * RPF-ID, these two are compared for the RPF check.
+ * This replaces the interfce based chack (since the LSP has no associated
+ * interface.
+ */
+typedef u32 fib_rpf_id_t;
+
+#define MFIB_RPF_ID_NONE (0)
+
/**
* @brief
* A representation of a path as described by a route producer.
* The protocol of the address below. We need this since the all
* zeros address is ambiguous.
*/
- fib_protocol_t frp_proto;
+ dpo_proto_t frp_proto;
union {
/**
*/
ip46_address_t frp_addr;
- /**
- * The MPLS local Label to reursively resolve through.
- * This is valid when the path type is MPLS.
- */
- mpls_label_t frp_local_label;
+ struct {
+ /**
+ * The MPLS local Label to reursively resolve through.
+ * This is valid when the path type is MPLS.
+ */
+ mpls_label_t frp_local_label;
+ /**
+ * EOS bit for the resolving label
+ */
+ mpls_eos_bit_t frp_eos;
+ };
+ };
+ union {
+ /**
+ * The interface.
+ * Will be invalid for recursive paths.
+ */
+ u32 frp_sw_if_index;
+ /**
+ * The RPF-ID
+ */
+ fib_rpf_id_t frp_rpf_id;
+ /**
+ * UDP encap ID
+ */
+ u32 frp_udp_encap_id;
};
- /**
- * The interface.
- * Will be invalid for recursive paths.
- */
- u32 frp_sw_if_index;
/**
* The FIB index to lookup the nexthop
* Only valid for recursive paths.
/**
* [un]equal cost path weight
*/
- u32 frp_weight;
+ u8 frp_weight;
+ /**
+ * A path preference. 0 is the best.
+ * Only paths of the best preference, that are 'up', are considered
+ * for forwarding.
+ */
+ u8 frp_preference;
/**
* flags on the path
*/
dpo_id_t dpo;
} fib_route_path_encode_t;
+/**
+ * return code to control pat-hlist walk
+ */
+typedef enum fib_path_list_walk_rc_t_
+{
+ FIB_PATH_LIST_WALK_STOP,
+ FIB_PATH_LIST_WALK_CONTINUE,
+} fib_path_list_walk_rc_t;
+
+/**
+ * A list of path-extensions
+ */
+typedef struct fib_path_ext_list_t_
+{
+ struct fib_path_ext_t_ *fpel_exts;
+} fib_path_ext_list_t;
+
#endif
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