#include <vnet/ip/ip6_packet.h>
#include <vnet/fib/fib_node.h>
#include <vnet/dpo/dpo.h>
-#include <vnet/ip/ip_feature_registration.h>
+#include <vnet/feature/feature.h>
/** @brief Common (IP4/IP6) next index stored in adjacency. */
-typedef enum {
+typedef enum
+{
/** Adjacency to drop this packet. */
IP_LOOKUP_NEXT_DROP,
/** Adjacency to punt this packet. */
IP_LOOKUP_N_NEXT,
} ip_lookup_next_t;
-typedef enum {
+typedef enum
+{
IP4_LOOKUP_N_NEXT = IP_LOOKUP_N_NEXT,
} ip4_lookup_next_t;
-typedef enum {
+typedef enum
+{
/* Hop-by-hop header handling */
IP6_LOOKUP_NEXT_HOP_BY_HOP = IP_LOOKUP_N_NEXT,
IP6_LOOKUP_NEXT_ADD_HOP_BY_HOP,
[IP_LOOKUP_NEXT_LOCAL] = "ip4-local", \
[IP_LOOKUP_NEXT_ARP] = "ip4-arp", \
[IP_LOOKUP_NEXT_GLEAN] = "ip4-glean", \
- [IP_LOOKUP_NEXT_REWRITE] = "ip4-rewrite-transit", \
+ [IP_LOOKUP_NEXT_REWRITE] = "ip4-rewrite", \
[IP_LOOKUP_NEXT_MIDCHAIN] = "ip4-midchain", \
[IP_LOOKUP_NEXT_LOAD_BALANCE] = "ip4-load-balance", \
[IP_LOOKUP_NEXT_ICMP_ERROR] = "ip4-icmp-error", \
/**
* @brief A function type for post-rewrite fixups on midchain adjacency
*/
-typedef void (*adj_midchain_fixup_t)(vlib_main_t * vm,
- struct ip_adjacency_t_ *adj,
- vlib_buffer_t * b0);
+typedef void (*adj_midchain_fixup_t) (vlib_main_t * vm,
+ struct ip_adjacency_t_ * adj,
+ vlib_buffer_t * b0);
+
+/**
+ * @brief Flags on an IP adjacency
+ */
+typedef enum ip_adjacency_flags_t_
+{
+ /**
+ * Currently a sync walk is active. Used to prevent re-entrant walking
+ */
+ IP_ADJ_SYNC_WALK_ACTIVE = (1 << 0),
+} ip_adjacency_flags_t;
/** @brief IP unicast adjacency.
@note cache aligned.
*/
-typedef struct ip_adjacency_t_ {
- CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
+typedef struct ip_adjacency_t_
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
/** Number of adjecencies in block. Greater than 1 means multipath;
otherwise equal to 1. */
u16 n_adj;
/** Next hop after ip4-lookup. */
- union {
- ip_lookup_next_t lookup_next_index : 16;
+ union
+ {
+ ip_lookup_next_t lookup_next_index:16;
u16 lookup_next_index_as_int;
};
u32 if_address_index;
/** Force re-lookup in a different FIB. ~0 => normal behavior */
- u16 mcast_group_index;
+ u16 mcast_group_index;
/** Highest possible perf subgraph arc interposition, e.g. for ip6 ioam */
u16 saved_lookup_next_index;
/*
* link/ether-type
*/
- u8 ia_link;
+ vnet_link_t ia_link;
u8 ia_nh_proto;
- union {
+ union
+ {
/**
* IP_LOOKUP_NEXT_ARP/IP_LOOKUP_NEXT_REWRITE
*
* neighbour adjacency sub-type;
*/
- struct {
- ip46_address_t next_hop;
- } nbr;
+ struct
+ {
+ ip46_address_t next_hop;
+ } nbr;
/**
* IP_LOOKUP_NEXT_MIDCHAIN
*
* so be sure to leave the two structs with the next_hop
* fields aligned.
*/
- struct {
+ struct
+ {
/**
* The recursive next-hop
*/
- ip46_address_t next_hop;
+ ip46_address_t next_hop;
/**
* The node index of the tunnel's post rewrite/TX function.
*/
- u32 tx_function_node;
+ u32 tx_function_node;
/**
* The next DPO to use
*/
- dpo_id_t next_dpo;
+ dpo_id_t next_dpo;
/**
* A function to perform the post-rewrite fixup
*/
- adj_midchain_fixup_t fixup_func;
- } midchain;
+ adj_midchain_fixup_t fixup_func;
+ } midchain;
/**
* IP_LOOKUP_NEXT_GLEAN
*
* Glean the address to ARP for from the packet's destination
*/
- struct {
- ip46_address_t receive_addr;
- } glean;
+ struct
+ {
+ ip46_address_t receive_addr;
+ } glean;
} sub_type;
- CLIB_CACHE_LINE_ALIGN_MARK(cacheline1);
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
/* Rewrite in second/third cache lines */
- vnet_declare_rewrite (VLIB_BUFFER_PRE_DATA_SIZE);
+ vnet_declare_rewrite (VLIB_BUFFER_PRE_DATA_SIZE);
/*
* member not accessed in the data plane are relgated to the
* remaining cachelines
*/
fib_node_t ia_node;
+
+ /**
+ * Flags on the adjacency
+ */
+ ip_adjacency_flags_t ia_flags;
+
} ip_adjacency_t;
-_Static_assert((STRUCT_OFFSET_OF(ip_adjacency_t, cacheline0) == 0),
+STATIC_ASSERT ((STRUCT_OFFSET_OF (ip_adjacency_t, cacheline0) == 0),
"IP adjacency cachline 0 is not offset");
-_Static_assert((STRUCT_OFFSET_OF(ip_adjacency_t, cacheline1) ==
+STATIC_ASSERT ((STRUCT_OFFSET_OF (ip_adjacency_t, cacheline1) ==
CLIB_CACHE_LINE_BYTES),
"IP adjacency cachline 1 is more than one cachline size offset");
extern const ip46_address_t zero_addr;
/* IP multicast adjacency. */
-typedef struct {
+typedef struct
+{
/* Handle for this adjacency in adjacency heap. */
u32 heap_handle;
u32 n_adj;
/* Rewrite string. */
- vnet_declare_rewrite (64 - 2*sizeof(u32));
-} ip_multicast_rewrite_t;
+ vnet_declare_rewrite (64 - 2 * sizeof (u32));
+}
+ip_multicast_rewrite_t;
-typedef struct {
+typedef struct
+{
/* ip4-multicast-rewrite next index. */
u32 next_index;
u8 n_rewrite_bytes;
- u8 rewrite_string[64 - 1*sizeof(u32) - 1*sizeof(u8)];
-} ip_multicast_rewrite_string_t;
+ u8 rewrite_string[64 - 1 * sizeof (u32) - 1 * sizeof (u8)];
+}
+ip_multicast_rewrite_string_t;
-typedef struct {
- ip_multicast_rewrite_t * rewrite_heap;
+typedef struct
+{
+ ip_multicast_rewrite_t *rewrite_heap;
- ip_multicast_rewrite_string_t * rewrite_strings;
+ ip_multicast_rewrite_string_t *rewrite_strings;
/* Negative rewrite string index; >= 0 sw_if_index.
Sorted. Used to hash. */
- i32 ** adjacency_id_vector;
+ i32 **adjacency_id_vector;
- uword * adjacency_by_id_vector;
+ uword *adjacency_by_id_vector;
} ip_multicast_lookup_main_t;
-typedef struct {
+typedef struct
+{
/* Key for mhash; in fact, just a byte offset into mhash key vector. */
u32 address_key;
u32 prev_this_sw_interface;
} ip_interface_address_t;
-typedef enum {
+typedef enum
+{
IP_LOCAL_NEXT_DROP,
IP_LOCAL_NEXT_PUNT,
IP_LOCAL_NEXT_UDP_LOOKUP,
struct ip_lookup_main_t;
-typedef struct ip_lookup_main_t {
+typedef struct ip_lookup_main_t
+{
/* Adjacency heap. */
- ip_adjacency_t * adjacency_heap;
+ ip_adjacency_t *adjacency_heap;
/** load-balance packet/byte counters indexed by LB index. */
vlib_combined_counter_main_t load_balance_counters;
- /** any-tx-feature-enabled interface bitmap */
- uword * tx_sw_if_has_ip_output_features;
-
- /** count of enabled features, per sw_if_index, to maintain bitmap */
- i16 * tx_feature_count_by_sw_if_index;
-
/** Pool of addresses that are assigned to interfaces. */
- ip_interface_address_t * if_address_pool;
+ ip_interface_address_t *if_address_pool;
/** Hash table mapping address to index in interface address pool. */
mhash_t address_to_if_address_index;
/** Head of doubly linked list of interface addresses for each software interface.
~0 means this interface has no address. */
- u32 * if_address_pool_index_by_sw_if_index;
+ u32 *if_address_pool_index_by_sw_if_index;
/** First table index to use for this interface, ~0 => none */
- u32 * classify_table_index_by_sw_if_index;
+ u32 *classify_table_index_by_sw_if_index;
- /** rx unicast, multicast, tx interface/feature configuration. */
- ip_config_main_t feature_config_mains[VNET_N_IP_FEAT];
+ /** Feature arc indices */
+ u8 mcast_feature_arc_index;
+ u8 ucast_feature_arc_index;
+ u8 output_feature_arc_index;
/** Number of bytes in a fib result. Must be at least
sizeof (uword). First word is always adjacency index. */
u32 fib_result_n_bytes, fib_result_n_words;
- format_function_t * format_fib_result;
+ format_function_t *format_fib_result;
/** 1 for ip6; 0 for ip4. */
u32 is_ip6;
/** Either format_ip4_address_and_length or format_ip6_address_and_length. */
- format_function_t * format_address_and_length;
+ format_function_t *format_address_and_length;
/** Special adjacency format functions */
- format_function_t ** special_adjacency_format_functions;
+ format_function_t **special_adjacency_format_functions;
/** Table mapping ip protocol to ip[46]-local node next index. */
u8 local_next_by_ip_protocol[256];
} ip_lookup_main_t;
always_inline ip_adjacency_t *
-ip_get_adjacency (ip_lookup_main_t * lm,
- u32 adj_index)
+ip_get_adjacency (ip_lookup_main_t * lm, u32 adj_index)
{
- ip_adjacency_t * adj;
+ ip_adjacency_t *adj;
adj = vec_elt_at_index (lm->adjacency_heap, adj_index);
} while (0)
/* Create new block of given number of contiguous adjacencies. */
-ip_adjacency_t *
-ip_add_adjacency (ip_lookup_main_t * lm,
- ip_adjacency_t * adj,
- u32 n_adj,
- u32 * adj_index_result);
-
-clib_error_t *
-ip_interface_address_add_del (ip_lookup_main_t * lm,
- u32 sw_if_index,
- void * address,
- u32 address_length,
- u32 is_del,
- u32 * result_index);
-
-u8 *
-format_ip_flow_hash_config (u8 * s, va_list * args);
+ip_adjacency_t *ip_add_adjacency (ip_lookup_main_t * lm,
+ ip_adjacency_t * adj,
+ u32 n_adj, u32 * adj_index_result);
+
+clib_error_t *ip_interface_address_add_del (ip_lookup_main_t * lm,
+ u32 sw_if_index,
+ void *address,
+ u32 address_length,
+ u32 is_del, u32 * result_index);
+
+u8 *format_ip_flow_hash_config (u8 * s, va_list * args);
always_inline ip_interface_address_t *
-ip_get_interface_address (ip_lookup_main_t * lm, void * addr_fib)
+ip_get_interface_address (ip_lookup_main_t * lm, void *addr_fib)
{
- uword * p = mhash_get (&lm->address_to_if_address_index, addr_fib);
+ uword *p = mhash_get (&lm->address_to_if_address_index, addr_fib);
return p ? pool_elt_at_index (lm->if_address_pool, p[0]) : 0;
}
-u32
-fib_table_id_find_fib_index (fib_protocol_t proto,
- u32 table_id);
+u32 fib_table_id_find_fib_index (fib_protocol_t proto, u32 table_id);
always_inline void *
-ip_interface_address_get_address (ip_lookup_main_t * lm, ip_interface_address_t * a)
-{ return mhash_key_to_mem (&lm->address_to_if_address_index, a->address_key); }
+ip_interface_address_get_address (ip_lookup_main_t * lm,
+ ip_interface_address_t * a)
+{
+ return mhash_key_to_mem (&lm->address_to_if_address_index, a->address_key);
+}
+/* *INDENT-OFF* */
#define foreach_ip_interface_address(lm,a,sw_if_index,loop,body) \
do { \
vnet_main_t *_vnm = vnet_get_main(); \
body; \
} \
} while (0)
+/* *INDENT-ON* */
void ip_lookup_init (ip_lookup_main_t * lm, u32 ip_lookup_node_index);
#endif /* included_ip_lookup_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff