X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Facl%2Facl.h;h=5765e91d43359cf7eb055a28c6a7a7fdac4d4243;hb=f3639d00aa1ccb37987dc90f974540a5c70187de;hp=620467886601b1019ee859f5e8a1e3b854b51d40;hpb=3b46cba8f4e909bc363403c6c92215159abb2f11;p=vpp.git diff --git a/src/plugins/acl/acl.h b/src/plugins/acl/acl.h index 62046788660..5765e91d433 100644 --- a/src/plugins/acl/acl.h +++ b/src/plugins/acl/acl.h @@ -22,10 +22,27 @@ #include #include +#include #include +#include +#include + +#include "fa_node.h" +#include "hash_lookup_types.h" +#include "lookup_context.h" #define ACL_PLUGIN_VERSION_MAJOR 1 -#define ACL_PLUGIN_VERSION_MINOR 1 +#define ACL_PLUGIN_VERSION_MINOR 3 + +#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 ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE (2 << 25) +#define ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS 65536 +#define ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY (2 << 25) extern vlib_node_registration_t acl_in_node; extern vlib_node_registration_t acl_out_node; @@ -33,6 +50,14 @@ extern vlib_node_registration_t acl_out_node; void input_acl_packet_match(u32 sw_if_index, vlib_buffer_t * b0, u32 *nextp, u32 *acl_match_p, u32 *rule_match_p, u32 *trace_bitmap); 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_TCP_IDLE, + ACL_TIMEOUT_TCP_TRANSIENT, + ACL_N_TIMEOUTS +}; + + enum address_e { IP4, IP6 }; typedef struct { @@ -92,19 +117,86 @@ typedef struct u32 ip4_table_index; u32 ip6_table_index; u32 l2_table_index; + /* outacl classifier tables */ + u32 out_ip4_table_index; + u32 out_ip6_table_index; + u32 out_l2_table_index; } macip_acl_list_t; +/* + * An element describing a particular configuration fo the mask, + * and how many times it has been used. + */ +typedef struct +{ + fa_5tuple_t mask; + u32 refcount; +} 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; + /* API message ID base */ u16 msg_id_base; + /* The pool of users of ACL lookup contexts */ + acl_lookup_context_user_t *acl_users; + /* The pool of ACL lookup contexts */ + acl_lookup_context_t *acl_lookup_contexts; + acl_list_t *acls; /* Pool of ACLs */ + 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; + + /* mheap to hold all the miscellaneous allocations related to hash-based lookups */ + void *hash_lookup_mheap; + u32 hash_lookup_mheap_size; + int acl_lookup_hash_initialized; +/* + applied_hash_ace_entry_t **input_hash_entry_vec_by_sw_if_index; + applied_hash_ace_entry_t **output_hash_entry_vec_by_sw_if_index; + applied_hash_acl_info_t *input_applied_hash_acl_info_by_sw_if_index; + applied_hash_acl_info_t *output_applied_hash_acl_info_by_sw_if_index; +*/ + applied_hash_ace_entry_t **hash_entry_vec_by_lc_index; + applied_hash_acl_info_t *applied_hash_acl_info_by_lc_index; + + /* Corresponding lookup context indices for in/out lookups per sw_if_index */ + u32 *input_lc_index_by_sw_if_index; + u32 *output_lc_index_by_sw_if_index; + /* context user id for interface ACLs */ + u32 interface_acl_user_id; + macip_acl_list_t *macip_acls; /* Pool of MAC-IP ACLs */ /* ACLs associated with interfaces */ u32 **input_acl_vec_by_sw_if_index; u32 **output_acl_vec_by_sw_if_index; + /* interfaces on which given ACLs are applied */ + u32 **input_sw_if_index_vec_by_acl; + u32 **output_sw_if_index_vec_by_acl; + + /* bitmaps 1=sw_if_index has in/out ACL processing enabled */ + uword *in_acl_on_sw_if_index; + uword *out_acl_on_sw_if_index; + + /* lookup contexts where a given ACL is used */ + u32 **lc_index_vec_by_acl; + + /* 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; + + /* a pool of all mask types present in all ACEs */ + ace_mask_type_entry_t *ace_mask_type_pool; + /* * Classify tables used to grab the packets for the ACL check, * and serving as the 5-tuple session tables at the same time @@ -114,32 +206,151 @@ typedef struct { u32 *acl_ip4_output_classify_table_by_sw_if_index; u32 *acl_ip6_output_classify_table_by_sw_if_index; + u32 *acl_dot1q_input_classify_table_by_sw_if_index; + u32 *acl_dot1ad_input_classify_table_by_sw_if_index; + u32 *acl_dot1q_output_classify_table_by_sw_if_index; + u32 *acl_dot1ad_output_classify_table_by_sw_if_index; + + u32 *acl_etype_input_classify_table_by_sw_if_index; + u32 *acl_etype_output_classify_table_by_sw_if_index; + + u16 **input_etype_whitelist_by_sw_if_index; + u16 **output_etype_whitelist_by_sw_if_index; + /* MACIP (input) ACLs associated with the interfaces */ u32 *macip_acl_by_sw_if_index; - /* next indices for our nodes in the l2-classify tables */ - u32 l2_input_classify_next_acl; - u32 l2_output_classify_next_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 */ + 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]; - /* next node indices for feature bitmap */ - u32 acl_in_node_input_next_node_index[32]; - /* the respective thing for the output feature */ - l2_output_next_nodes_st acl_out_output_next_nodes; + /* EH values that we can skip over */ + uword *fa_ipv6_known_eh_bitmap; - /* ACL match actions (must be coherent across in/out ACLs to next indices (can differ) */ + /* whether to match L4 ACEs with ports on the non-initial fragment */ + int l4_match_nonfirst_fragment; - u32 acl_in_ip4_match_next[256]; - u32 acl_in_ip6_match_next[256]; - u32 acl_out_ip4_match_next[256]; - u32 acl_out_ip6_match_next[256]; - u32 n_match_actions; + /* conn table per-interface conn table parameters */ + u32 fa_conn_table_hash_num_buckets; + uword fa_conn_table_hash_memory_size; + u64 fa_conn_table_max_entries; + int trace_sessions; + int trace_acl; + + /* + * If the cleaner has to delete more than this number + * of connections, it halves the sleep time. + */ + +#define ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL 100 + u64 fa_max_deleted_sessions_per_interval; + + /* + * If the cleaner deletes less than these connections, + * it increases the wait time by the "increment" + */ + +#define ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL 1 + u64 fa_min_deleted_sessions_per_interval; + +#define ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT 0.1 + f64 fa_cleaner_wait_time_increment; + + u64 fa_current_cleaner_timer_wait_interval; + + int fa_interrupt_generation; + + /* per-worker data related t conn management */ + acl_fa_per_worker_data_t *per_worker_data; + + /* Configured session timeout */ + u64 session_timeout[ACL_N_TIMEOUTS]; + + + /* Counters for the cleaner thread */ + +#define foreach_fa_cleaner_counter \ + _(fa_cleaner_cnt_delete_by_sw_index, "delete_by_sw_index events") \ + _(fa_cleaner_cnt_delete_by_sw_index_ok, "delete_by_sw_index handled ok") \ + _(fa_cleaner_cnt_unknown_event, "unknown events received") \ + _(fa_cleaner_cnt_timer_restarted, "session idle timers restarted") \ + _(fa_cleaner_cnt_wait_with_timeout, "event wait with timeout called") \ + _(fa_cleaner_cnt_wait_without_timeout, "event wait w/o timeout called") \ + _(fa_cleaner_cnt_event_cycles, "total event cycles") \ +/* end of counters */ +#define _(id, desc) u32 id; + foreach_fa_cleaner_counter +#undef _ /* convenience */ vlib_main_t * vlib_main; vnet_main_t * vnet_main; } acl_main_t; +#define foreach_acl_eh \ + _(HOPBYHOP , 0 , "IPv6ExtHdrHopByHop") \ + _(ROUTING , 43 , "IPv6ExtHdrRouting") \ + _(DESTOPT , 60 , "IPv6ExtHdrDestOpt") \ + _(FRAGMENT , 44 , "IPv6ExtHdrFragment") \ + _(MOBILITY , 135, "Mobility Header") \ + _(HIP , 139, "Experimental use Host Identity Protocol") \ + _(SHIM6 , 140, "Shim6 Protocol") \ + _(EXP1 , 253, "Use for experimentation and testing") \ + _(EXP2 , 254, "Use for experimentation and testing") + +/* + + "No Next Header" is not a header. + Also, Fragment header needs special processing. + + _(NONEXT , 59 , "NoNextHdr") \ + + +ESP is hiding its internal format, so no point in trying to go past it. + + _(ESP , 50 , "EncapsulatingSecurityPayload") \ + + +AH has a special treatment of its length, it is in 32-bit words, not 64-bit words like the rest. + + _(AUTH , 51 , "Authentication Header") \ + + +*/ + + + typedef enum { + #define _(N, v, s) ACL_EH_##N = v, + foreach_acl_eh + #undef _ + } acl_eh_t; + + + extern acl_main_t acl_main;