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/*
 * Copyright (c) 2018 Cisco and/or its affiliates.
 * Copyright (c) 2018 Arm Limited. and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef included_clib_atomics_h
#define included_clib_atomics_h

/* Legacy __sync builtins */

/* Full Barrier */
#define clib_atomic_fetch_add(a, b) __sync_fetch_and_add(a, b)
#define clib_atomic_fetch_sub(a, b) __sync_fetch_and_sub(a, b)
#define clib_atomic_fetch_and(a, b) __sync_fetch_and_and(a, b)
#define clib_atomic_fetch_xor(a, b) __sync_fetch_and_xor(a, b)
#define clib_atomic_fetch_or(a, b) __sync_fetch_and_or(a, b)
#define clib_atomic_fetch_nand(a, b) __sync_fetch_nand(a, b)

#define clib_atomic_add_fetch(a, b) __sync_add_and_fetch(a, b)
#define clib_atomic_sub_fetch(a, b) __sync_sub_and_fetch(a, b)
#define clib_atomic_and_fetch(a, b) __sync_and_and_fetch(a, b)
#define clib_atomic_xor_fetch(a, b) __sync_xor_and_fetch(a, b)
#define clib_atomic_or_fetch(a, b) __sync_or_and_fetch(a, b)
#define clib_atomic_nand_fetch(a, b) __sync_nand_and_fetch(a, b)

#define clib_atomic_cmp_and_swap(addr,old,new) __sync_val_compare_and_swap(addr, old, new)
#define clib_atomic_bool_cmp_and_swap(addr,old,new) __sync_bool_compare_and_swap(addr, old, new)

#define clib_atomic_test_and_set(a) __sync_lock_test_and_set(a, 1)
#define clib_atomic_release(a) __sync_lock_release(a)

#define clib_atomic_load_acq_n(a) __atomic_load_n((a), __ATOMIC_ACQUIRE)
#define clib_atomic_store_rel_n(a, b) __atomic_store_n ((a), (b), __ATOMIC_RELEASE)
#define clib_atomic_swap_acq_n(a, b) __atomic_exchange_n ((a), (b), __ATOMIC_ACQUIRE)

#define clib_atomic_fetch_add_rel(a, b) __atomic_fetch_add((a), (b), __ATOMIC_RELEASE)
#define clib_atomic_fetch_sub_rel(a, b) __atomic_fetch_sub((a), (b), __ATOMIC_RELEASE)

#endif /* included_clib_atomics_h */
pan> #define included_acl_h #include <vnet/vnet.h> #include <vnet/ip/ip.h> #include <vnet/ethernet/ethernet.h> #include <vnet/l2/l2_output.h> #include <vppinfra/hash.h> #include <vppinfra/error.h> #include <vppinfra/elog.h> #define ACL_PLUGIN_VERSION_MAJOR 1 #define ACL_PLUGIN_VERSION_MINOR 1 extern vlib_node_registration_t acl_in_node; 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 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; u8 is_ipv6; u8 src_mac[6]; u8 src_mac_mask[6]; ip46_address_t src_ip_addr; u8 src_prefixlen; } macip_acl_rule_t; /* * ACL */ typedef struct { u8 tag[64]; u32 count; acl_rule_t *rules; } acl_list_t; typedef struct { u8 tag[64]; u32 count; macip_acl_rule_t *rules; /* References to the classifier tables that will enforce the rules */ u32 ip4_table_index; u32 ip6_table_index; u32 l2_table_index; } macip_acl_list_t; typedef struct { /* API message ID base */ u16 msg_id_base; acl_list_t *acls; /* Pool of ACLs */ 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; /* * Classify tables used to grab the packets for the ACL check, * and serving as the 5-tuple session tables at the same time */ u32 *acl_ip4_input_classify_table_by_sw_if_index; u32 *acl_ip6_input_classify_table_by_sw_if_index; u32 *acl_ip4_output_classify_table_by_sw_if_index; u32 *acl_ip6_output_classify_table_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; /* 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; /* ACL match actions (must be coherent across in/out ACLs to next indices (can differ) */ 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; /* convenience */ vlib_main_t * vlib_main; vnet_main_t * vnet_main; ethernet_main_t * ethernet_main; } acl_main_t; extern acl_main_t acl_main; #endif