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-rw-r--r--plugins/acl-plugin/acl/acl.h148
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diff --git a/plugins/acl-plugin/acl/acl.h b/plugins/acl-plugin/acl/acl.h
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+/*
+ * Copyright (c) 2016 Cisco 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_acl_h
+#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