#ifndef included_ip_ip6_h
#define included_ip_ip6_h
-#include <vlib/mc.h>
+#include <stdbool.h>
+
#include <vlib/buffer.h>
-#include <vnet/ethernet/packet.h>
+
#include <vnet/ip/ip6_packet.h>
+#include <vnet/ip/ip46_address.h>
#include <vnet/ip/ip6_hop_by_hop_packet.h>
#include <vnet/ip/lookup.h>
-#include <stdbool.h>
-#include <vppinfra/bihash_24_8.h>
-#include <vppinfra/bihash_template.h>
-
-/*
- * Default size of the ip6 fib hash table
- */
-#define IP6_FIB_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
-#define IP6_FIB_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+#include <vnet/ip/ip_interface.h>
+#include <vnet/ip/ip_flow_hash.h>
typedef struct
{
typedef struct
{
+ /* required for pool_get_aligned. */
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+
/* Table ID (hash key) for this FIB. */
u32 table_id;
/* Index into FIB vector. */
u32 index;
-
- /* flow hash configuration */
- flow_hash_config_t flow_hash_config;
} ip6_fib_t;
+typedef struct ip6_mfib_t
+{
+ /* required for pool_get_aligned. */
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+
+ /* Table ID (hash key) for this FIB. */
+ u32 table_id;
+
+ /* Index into FIB vector. */
+ u32 index;
+} ip6_mfib_t;
+
struct ip6_main_t;
typedef void (ip6_add_del_interface_address_function_t)
uword function_opaque;
} ip6_add_del_interface_address_callback_t;
-/**
- * Enumeration of the FIB table instance types
- */
-typedef enum ip6_fib_table_instance_type_t_
-{
- /**
- * This table stores the routes that are used to forward traffic.
- * The key is the prefix, the result the adjacnecy to forward on.
- */
- IP6_FIB_TABLE_FWDING,
- /**
- * The table that stores ALL routes learned by the DP.
- * Some of these routes may not be ready to install in forwarding
- * at a given time.
- * The key in this table is the prefix, the result is the fib_entry_t
- */
- IP6_FIB_TABLE_NON_FWDING,
-} ip6_fib_table_instance_type_t;
-
-#define IP6_FIB_NUM_TABLES (IP6_FIB_TABLE_NON_FWDING+1)
+typedef void (ip6_table_bind_function_t)
+ (struct ip6_main_t * im,
+ uword opaque, u32 sw_if_index, u32 new_fib_index, u32 old_fib_index);
-/**
- * A represenation of a single IP6 table
- */
-typedef struct ip6_fib_table_instance_t_
+typedef struct
{
- /* The hash table */
- BVT (clib_bihash) ip6_hash;
-
- /* bitmap / refcounts / vector of mask widths to search */
- uword *non_empty_dst_address_length_bitmap;
- u8 *prefix_lengths_in_search_order;
- i32 dst_address_length_refcounts[129];
-} ip6_fib_table_instance_t;
+ ip6_table_bind_function_t *function;
+ uword function_opaque;
+} ip6_table_bind_callback_t;
typedef struct ip6_main_t
{
- /**
- * The two FIB tables; fwding and non-fwding
- */
- ip6_fib_table_instance_t ip6_table[IP6_FIB_NUM_TABLES];
-
ip_lookup_main_t lookup_main;
/* Pool of FIBs. */
struct fib_table_t_ *fibs;
+ /* Pool of V6 FIBs. */
+ ip6_fib_t *v6_fibs;
+
+ /** Vector of MFIBs. */
+ struct mfib_table_t_ *mfibs;
+
/* Network byte orders subnet mask for each prefix length */
ip6_address_t fib_masks[129];
/* Table index indexed by software interface. */
u32 *fib_index_by_sw_if_index;
+ /** Table index indexed by software interface. */
+ u32 *mfib_index_by_sw_if_index;
+
/* IP6 enabled count by software interface */
u8 *ip_enabled_by_sw_if_index;
ID space is not necessarily dense; index space is dense. */
uword *fib_index_by_table_id;
+ /** Hash table mapping table id to multicast fib index.
+ ID space is not necessarily dense; index space is dense. */
+ uword *mfib_index_by_table_id;
+
/* Hash table mapping interface rewrite adjacency index by sw if index. */
uword *interface_route_adj_index_by_sw_if_index;
ip6_add_del_interface_address_callback_t
* add_del_interface_address_callbacks;
- /* Template used to generate IP6 neighbor solicitation packets. */
- vlib_packet_template_t discover_neighbor_packet_template;
-
- /* ip6 lookup table config parameters */
- u32 lookup_table_nbuckets;
- uword lookup_table_size;
+ /** Functions to call when interface to table biding changes. */
+ ip6_table_bind_callback_t *table_bind_callbacks;
/* Seed for Jenkins hash used to compute ip6 flow hash. */
u32 flow_hash_seed;
u8 hbh_enabled;
} ip6_main_t;
+#define ND_THROTTLE_BITS 512
+
/* Global ip6 main structure. */
extern ip6_main_t ip6_main;
/* 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;
+extern vlib_node_registration_t ip6_rewrite_mcast_node;
extern vlib_node_registration_t ip6_rewrite_local_node;
extern vlib_node_registration_t ip6_discover_neighbor_node;
extern vlib_node_registration_t ip6_glean_node;
extern vlib_node_registration_t ip6_midchain_node;
+extern vlib_node_registration_t ip6_punt_node;
-extern vlib_node_registration_t ip6_icmp_neighbor_discovery_event_node;
-
-/* ipv6 neighbor discovery - timer/event types */
-typedef enum
-{
- ICMP6_ND_EVENT_INIT,
-} ip6_icmp_neighbor_discovery_event_type_t;
-
-typedef union
-{
- u32 add_del_swindex;
- struct
- {
- u32 up_down_swindex;
- u32 fib_index;
- } up_down_event;
-} ip6_icmp_neighbor_discovery_event_data_t;
+extern void ip6_forward_next_trace (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame,
+ vlib_rx_or_tx_t which_adj_index);
always_inline uword
ip6_destination_matches_route (const ip6_main_t * im,
return 1;
}
-always_inline int
-ip6_src_address_for_packet (ip_lookup_main_t * lm,
- u32 sw_if_index, ip6_address_t * src)
-{
- u32 if_add_index = lm->if_address_pool_index_by_sw_if_index[sw_if_index];
- if (PREDICT_TRUE (if_add_index != ~0))
- {
- ip_interface_address_t *if_add =
- pool_elt_at_index (lm->if_address_pool, if_add_index);
- ip6_address_t *if_ip = ip_interface_address_get_address (lm, if_add);
- *src = *if_ip;
- return (0);
- }
- else
- {
- src->as_u64[0] = 0;
- src->as_u64[1] = 0;
- }
- return (!0);
-}
-
/* Find interface address which matches destination. */
always_inline ip6_address_t *
ip6_interface_address_matching_destination (ip6_main_t * im,
- ip6_address_t * dst,
+ const ip6_address_t * dst,
u32 sw_if_index,
ip_interface_address_t **
result_ia)
u32 address_length, u32 is_del);
void ip6_sw_interface_enable_disable (u32 sw_if_index, u32 is_enable);
-int ip6_address_compare (ip6_address_t * a1, ip6_address_t * a2);
-
-clib_error_t *ip6_probe_neighbor (vlib_main_t * vm, ip6_address_t * dst,
- u32 sw_if_index);
+/**
+ * @brief get first IPv6 interface address
+ */
+ip6_address_t *ip6_interface_first_address (ip6_main_t * im, u32 sw_if_index);
-clib_error_t *ip6_set_neighbor_limit (u32 neighbor_limit);
+int ip6_address_compare (ip6_address_t * a1, ip6_address_t * a2);
uword
ip6_udp_register_listener (vlib_main_t * vm,
int *bogus_lengthp);
void ip6_register_protocol (u32 protocol, u32 node_index);
+void ip6_unregister_protocol (u32 protocol);
+void ip6_local_hop_by_hop_register_protocol (u32 protocol, u32 node_index);
serialize_function_t serialize_vnet_ip6_main, unserialize_vnet_ip6_main;
-void ip6_ethernet_update_adjacency (vnet_main_t * vnm,
- u32 sw_if_index, u32 ai);
-
-int
-vnet_set_ip6_ethernet_neighbor (vlib_main_t * vm,
- u32 sw_if_index,
- ip6_address_t * a,
- u8 * link_layer_address,
- uword n_bytes_link_layer_address,
- int is_static);
-int
-vnet_unset_ip6_ethernet_neighbor (vlib_main_t * vm,
- u32 sw_if_index,
- ip6_address_t * a,
- u8 * link_layer_address,
- uword n_bytes_link_layer_address);
-
-void
-ip6_link_local_address_from_ethernet_mac_address (ip6_address_t * ip,
- u8 * mac);
-
-void
-ip6_ethernet_mac_address_from_link_local_address (u8 * mac,
- ip6_address_t * ip);
-
-int vnet_set_ip6_flow_hash (u32 table_id,
- flow_hash_config_t flow_hash_config);
-
-int
-ip6_neighbor_ra_config (vlib_main_t * vm, u32 sw_if_index,
- 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,
- u32 max_interval, u32 min_interval, u8 is_no);
-
-int
-ip6_neighbor_ra_prefix (vlib_main_t * vm, u32 sw_if_index,
- ip6_address_t * prefix_addr, u8 prefix_len,
- u8 use_default, u32 val_lifetime, u32 pref_lifetime,
- u8 no_advertise, u8 off_link, u8 no_autoconfig,
- u8 no_onlink, u8 is_no);
-
-
-clib_error_t *enable_ip6_interface (vlib_main_t * vm, u32 sw_if_index);
-
-clib_error_t *disable_ip6_interface (vlib_main_t * vm, u32 sw_if_index);
-
-int ip6_interface_enabled (vlib_main_t * vm, u32 sw_if_index);
-
-clib_error_t *set_ip6_link_local_address (vlib_main_t * vm,
- u32 sw_if_index,
- ip6_address_t * address,
- u8 address_length);
-
-void vnet_register_ip6_neighbor_resolution_event (vnet_main_t * vnm,
- void *address_arg,
- uword node_index,
- uword type_opaque,
- uword data);
-
-int vnet_add_del_ip6_nd_change_event (vnet_main_t * vnm,
- void *data_callback,
- u32 pid,
- void *address_arg,
- uword node_index,
- uword type_opaque,
- uword data, int is_add);
-
-int vnet_ip6_nd_term (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_buffer_t * p0,
- ethernet_header_t * eth,
- ip6_header_t * ip,
- u32 sw_if_index, u16 bd_index, u8 shg);
+u8 *format_ip6_forward_next_trace (u8 * s, va_list * args);
+
+u32 ip6_tcp_udp_icmp_validate_checksum (vlib_main_t * vm, vlib_buffer_t * p0);
+
+void ip6_punt_policer_add_del (u8 is_add, u32 policer_index);
+void ip6_punt_redirect_add (u32 rx_sw_if_index,
+ u32 tx_sw_if_index, ip46_address_t * nh);
+void ip6_punt_redirect_add_paths (u32 rx_sw_if_index,
+ fib_route_path_t * paths);
+void ip6_punt_redirect_del (u32 rx_sw_if_index);
int vnet_set_ip6_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
u32 table_index);
extern vlib_node_registration_t ip6_lookup_node;
-/* Compute flow hash. We'll use it to select which Sponge to use for this
- flow. And other things. */
-always_inline u32
-ip6_compute_flow_hash (const ip6_header_t * ip,
- flow_hash_config_t flow_hash_config)
-{
- tcp_header_t *tcp = (void *) (ip + 1);
- u64 a, b, c;
- u64 t1, t2;
- uword is_tcp_udp = (ip->protocol == IP_PROTOCOL_TCP
- || ip->protocol == IP_PROTOCOL_UDP);
-
- t1 = (ip->src_address.as_u64[0] ^ ip->src_address.as_u64[1]);
- t1 = (flow_hash_config & IP_FLOW_HASH_SRC_ADDR) ? t1 : 0;
-
- t2 = (ip->dst_address.as_u64[0] ^ ip->dst_address.as_u64[1]);
- t2 = (flow_hash_config & IP_FLOW_HASH_DST_ADDR) ? t2 : 0;
-
- a = (flow_hash_config & IP_FLOW_HASH_REVERSE_SRC_DST) ? t2 : t1;
- b = (flow_hash_config & IP_FLOW_HASH_REVERSE_SRC_DST) ? t1 : t2;
- b ^= (flow_hash_config & IP_FLOW_HASH_PROTO) ? ip->protocol : 0;
-
- t1 = is_tcp_udp ? tcp->ports.src : 0;
- t2 = is_tcp_udp ? tcp->ports.dst : 0;
-
- t1 = (flow_hash_config & IP_FLOW_HASH_SRC_PORT) ? t1 : 0;
- t2 = (flow_hash_config & IP_FLOW_HASH_DST_PORT) ? t2 : 0;
-
- c = (flow_hash_config & IP_FLOW_HASH_REVERSE_SRC_DST) ?
- ((t1 << 16) | t2) : ((t2 << 16) | t1);
-
- hash_mix64 (a, b, c);
- return (u32) c;
-}
-
+u8 *format_ip6_hop_by_hop_ext_hdr (u8 * s, va_list * args);
/*
* Hop-by-Hop handling
*/
int ip6_hbh_unregister_option (u8 option);
void ip6_hbh_set_next_override (uword next);
-/* Flag used by IOAM code. Classifier sets it pop-hop-by-hop checks it */
-#define OI_DECAP 0x80000000
-
+always_inline u32
+vlib_buffer_get_ip6_fib_index (vlib_buffer_t * b)
+{
+ u32 fib_index, sw_if_index;
+ sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
+ fib_index = vnet_buffer (b)->sw_if_index[VLIB_TX];
+ return (fib_index == (u32) ~ 0) ?
+ vec_elt (ip6_main.fib_index_by_sw_if_index, sw_if_index) : fib_index;
+}
#endif /* included_ip_ip6_h */
/*
Code Review / vpp.git / blobdiff