#include <vppinfra/elog.h>
#include <vppinfra/bihash_48_8.h>
#include <vppinfra/bihash_40_8.h>
+#include <vppinfra/bihash_16_8.h>
+#include <vlib/counter.h>
+#include "types.h"
#include "fa_node.h"
#include "hash_lookup_types.h"
#include "lookup_context.h"
#define ACL_PLUGIN_VERSION_MAJOR 1
-#define ACL_PLUGIN_VERSION_MINOR 3
+#define ACL_PLUGIN_VERSION_MINOR 4
#define UDP_SESSION_IDLE_TIMEOUT_SEC 600
#define TCP_SESSION_IDLE_TIMEOUT_SEC (3600*24)
#define TCP_SESSION_TRANSIENT_TIMEOUT_SEC 120
-#define ACL_FA_DEFAULT_HEAP_SIZE (2 << 29)
+#define SESSION_PURGATORY_TIMEOUT_USEC 10
#define ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE (2 << 25)
#define ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS 65536
void output_acl_packet_match(u32 sw_if_index, vlib_buffer_t * b0, u32 *nextp, u32 *acl_match_p, u32 *rule_match_p, u32 *trace_bitmap);
enum acl_timeout_e {
- ACL_TIMEOUT_UDP_IDLE = 0,
+ ACL_TIMEOUT_UNUSED = 0,
+ ACL_TIMEOUT_UDP_IDLE,
ACL_TIMEOUT_TCP_IDLE,
ACL_TIMEOUT_TCP_TRANSIENT,
+ ACL_N_USER_TIMEOUTS,
+ ACL_TIMEOUT_PURGATORY = ACL_N_USER_TIMEOUTS, /* a special-case queue for deletion-in-progress sessions */
ACL_N_TIMEOUTS
};
-
-enum address_e { IP4, IP6 };
-typedef struct
-{
- enum address_e type;
- union {
- ip6_address_t ip6;
- ip4_address_t ip4;
- } addr;
-} address_t;
-
-/*
- * ACL rules
- */
-typedef struct
-{
- u8 is_permit;
- u8 is_ipv6;
- ip46_address_t src;
- u8 src_prefixlen;
- ip46_address_t dst;
- u8 dst_prefixlen;
- u8 proto;
- u16 src_port_or_type_first;
- u16 src_port_or_type_last;
- u16 dst_port_or_code_first;
- u16 dst_port_or_code_last;
- u8 tcp_flags_value;
- u8 tcp_flags_mask;
-} acl_rule_t;
-
typedef struct
{
u8 is_permit;
*/
typedef struct
{
+ /** Required for pool_get_aligned */
+ CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
u8 tag[64];
- u32 count;
acl_rule_t *rules;
} acl_list_t;
typedef struct
{
+ /** Required for pool_get_aligned */
+ CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
u8 tag[64];
u32 count;
macip_acl_rule_t *rules;
*/
typedef struct
{
+ /** Required for pool_get_aligned */
+ CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
fa_5tuple_t mask;
u32 refcount;
+ u8 from_tm;
} ace_mask_type_entry_t;
typedef struct {
/* mheap to hold all the ACL module related allocations, other than hash */
void *acl_mheap;
- u32 acl_mheap_size;
+ uword acl_mheap_size;
/* API message ID base */
u16 msg_id_base;
hash_acl_info_t *hash_acl_infos; /* corresponding hash matching housekeeping info */
clib_bihash_48_8_t acl_lookup_hash; /* ACL lookup hash table. */
u32 hash_lookup_hash_buckets;
- u32 hash_lookup_hash_memory;
+ uword hash_lookup_hash_memory;
/* mheap to hold all the miscellaneous allocations related to hash-based lookups */
void *hash_lookup_mheap;
- u32 hash_lookup_mheap_size;
+ uword hash_lookup_mheap_size;
int acl_lookup_hash_initialized;
/*
applied_hash_ace_entry_t **input_hash_entry_vec_by_sw_if_index;
/* lookup contexts where a given ACL is used */
u32 **lc_index_vec_by_acl;
+ /* input and output policy epochs by interface */
+ u32 *input_policy_epoch_by_sw_if_index;
+ u32 *output_policy_epoch_by_sw_if_index;
+
+ /* whether we need to take the epoch of the session into account */
+ int reclassify_sessions;
+
+
+
/* Total count of interface+direction pairs enabled */
u32 fa_total_enabled_count;
/* Do we use hash-based ACL matching or linear */
int use_hash_acl_matching;
+ /* Do we use the TupleMerge for hash ACLs or not */
+ int use_tuple_merge;
+
+ /* Max collision vector length before splitting the tuple */
+#define TM_SPLIT_THRESHOLD 39
+ int tuple_merge_split_threshold;
+
/* a pool of all mask types present in all ACEs */
ace_mask_type_entry_t *ace_mask_type_pool;
+ /* vec of vectors of all info of all mask types present in ACEs contained in each lc_index */
+ hash_applied_mask_info_t **hash_applied_mask_info_vec_by_lc_index;
+
/*
* Classify tables used to grab the packets for the ACL check,
* and serving as the 5-tuple session tables at the same time
/* MACIP (input) ACLs associated with the interfaces */
u32 *macip_acl_by_sw_if_index;
+ /* Vector of interfaces on which given MACIP ACLs are applied */
+ u32 **sw_if_index_vec_by_macip_acl;
+
/* bitmaps when set the processing is enabled on the interface */
uword *fa_in_acl_on_sw_if_index;
uword *fa_out_acl_on_sw_if_index;
/* bihash holding all of the sessions */
int fa_sessions_hash_is_initialized;
- clib_bihash_40_8_t fa_sessions_hash;
- /* The process node which orcherstrates the cleanup */
+ clib_bihash_40_8_t fa_ip6_sessions_hash;
+ clib_bihash_16_8_t fa_ip4_sessions_hash;
+ /* The process node which orchestrates the cleanup */
u32 fa_cleaner_node_index;
/* FA session timeouts, in seconds */
u32 session_timeout_sec[ACL_N_TIMEOUTS];
/* total session adds/dels */
u64 fa_session_total_adds;
u64 fa_session_total_dels;
-
- /* L2 datapath glue */
-
- /* next indices within L2 classifiers for ip4/ip6 fa L2 nodes */
- u32 l2_input_classify_next_acl_ip4;
- u32 l2_input_classify_next_acl_ip6;
- u32 l2_output_classify_next_acl_ip4;
- u32 l2_output_classify_next_acl_ip6;
- /* next node indices for L2 dispatch */
- u32 fa_acl_in_ip4_l2_node_feat_next_node_index[32];
- u32 fa_acl_in_ip6_l2_node_feat_next_node_index[32];
- u32 fa_acl_out_ip4_l2_node_feat_next_node_index[32];
- u32 fa_acl_out_ip6_l2_node_feat_next_node_index[32];
+ /* how many sessions went into purgatory */
+ u64 fa_session_total_deactivations;
/* EH values that we can skip over */
uword *fa_ipv6_known_eh_bitmap;
/* convenience */
vlib_main_t * vlib_main;
vnet_main_t * vnet_main;
+ /* logging */
+ vlib_log_class_t log_default;
+ /* acl counters exposed via stats segment */
+ volatile u32 *acl_counter_lock;
+ vlib_combined_counter_main_t *combined_acl_counters;
+ /* enable/disable ACL counters for interface processing */
+ u32 interface_acl_counters_enabled;
} acl_main_t;
+#define acl_log_err(...) \
+ vlib_log(VLIB_LOG_LEVEL_ERR, acl_main.log_default, __VA_ARGS__)
+#define acl_log_warn(...) \
+ vlib_log(VLIB_LOG_LEVEL_WARNING, acl_main.log_default, __VA_ARGS__)
+#define acl_log_notice(...) \
+ vlib_log(VLIB_LOG_LEVEL_NOTICE, acl_main.log_default, __VA_ARGS__)
+#define acl_log_info(...) \
+ vlib_log(VLIB_LOG_LEVEL_INFO, acl_main.log_default, __VA_ARGS__)
+
+
+static inline void
+acl_plugin_counter_lock (acl_main_t * am)
+{
+ if (am->acl_counter_lock)
+ while (clib_atomic_test_and_set (am->acl_counter_lock))
+ /* zzzz */ ;
+}
+
+static inline void
+acl_plugin_counter_unlock (acl_main_t * am)
+{
+ if (am->acl_counter_lock)
+ clib_atomic_release (am->acl_counter_lock);
+}
+
+
#define foreach_acl_eh \
_(HOPBYHOP , 0 , "IPv6ExtHdrHopByHop") \
_(ROUTING , 43 , "IPv6ExtHdrRouting") \
void *acl_plugin_set_heap();
+typedef enum {
+ ACL_FA_REQ_SESS_RESCHEDULE = 0,
+ ACL_FA_N_REQ,
+} acl_fa_sess_req_t;
+
+void aclp_post_session_change_request(acl_main_t *am, u32 target_thread, u32 target_session, acl_fa_sess_req_t request_type);
+void aclp_swap_wip_and_pending_session_change_requests(acl_main_t *am, u32 target_thread);
#endif