diff options
Diffstat (limited to 'src/plugins/acl/acl.c')
| -rw-r--r-- | src/plugins/acl/acl.c | 2709 |
1 files changed, 2709 insertions, 0 deletions
diff --git a/src/plugins/acl/acl.c b/src/plugins/acl/acl.c new file mode 100644 index 00000000..efd506de --- /dev/null +++ b/src/plugins/acl/acl.c @@ -0,0 +1,2709 @@ +/* + * 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. + */ + +#include <stddef.h> + +#include <vnet/vnet.h> +#include <vnet/plugin/plugin.h> +#include <acl/acl.h> + +#include <vnet/l2/l2_classify.h> +#include <vnet/classify/input_acl.h> +#include <vpp/app/version.h> + +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vlibsocket/api.h> + +/* define message IDs */ +#include <acl/acl_msg_enum.h> + +/* define message structures */ +#define vl_typedefs +#include <acl/acl_all_api_h.h> +#undef vl_typedefs + +/* define generated endian-swappers */ +#define vl_endianfun +#include <acl/acl_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) +#define vl_printfun +#include <acl/acl_all_api_h.h> +#undef vl_printfun + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <acl/acl_all_api_h.h> +#undef vl_api_version + +#include "fa_node.h" +#include "hash_lookup.h" + +acl_main_t acl_main; + +#define REPLY_MSG_ID_BASE am->msg_id_base +#include <vlibapi/api_helper_macros.h> + +/* List of message types that this plugin understands */ + +#define foreach_acl_plugin_api_msg \ +_(ACL_PLUGIN_GET_VERSION, acl_plugin_get_version) \ +_(ACL_PLUGIN_CONTROL_PING, acl_plugin_control_ping) \ +_(ACL_ADD_REPLACE, acl_add_replace) \ +_(ACL_DEL, acl_del) \ +_(ACL_INTERFACE_ADD_DEL, acl_interface_add_del) \ +_(ACL_INTERFACE_SET_ACL_LIST, acl_interface_set_acl_list) \ +_(ACL_DUMP, acl_dump) \ +_(ACL_INTERFACE_LIST_DUMP, acl_interface_list_dump) \ +_(MACIP_ACL_ADD, macip_acl_add) \ +_(MACIP_ACL_ADD_REPLACE, macip_acl_add_replace) \ +_(MACIP_ACL_DEL, macip_acl_del) \ +_(MACIP_ACL_INTERFACE_ADD_DEL, macip_acl_interface_add_del) \ +_(MACIP_ACL_DUMP, macip_acl_dump) \ +_(MACIP_ACL_INTERFACE_GET, macip_acl_interface_get) \ +_(MACIP_ACL_INTERFACE_LIST_DUMP, macip_acl_interface_list_dump) + + +/* *INDENT-OFF* */ +VLIB_PLUGIN_REGISTER () = { + .version = VPP_BUILD_VER, + .description = "Access Control Lists", +}; +/* *INDENT-ON* */ + + +static void * +acl_set_heap(acl_main_t *am) +{ + if (0 == am->acl_mheap) { + am->acl_mheap = mheap_alloc (0 /* use VM */ , am->acl_mheap_size); + mheap_t *h = mheap_header (am->acl_mheap); + h->flags |= MHEAP_FLAG_THREAD_SAFE; + } + void *oldheap = clib_mem_set_heap(am->acl_mheap); + return oldheap; +} + +void +acl_plugin_acl_set_validate_heap(acl_main_t *am, int on) +{ + clib_mem_set_heap(acl_set_heap(am)); + mheap_t *h = mheap_header (am->acl_mheap); + if (on) { + h->flags |= MHEAP_FLAG_VALIDATE; + h->flags &= ~MHEAP_FLAG_SMALL_OBJECT_CACHE; + mheap_validate(h); + } else { + h->flags &= ~MHEAP_FLAG_VALIDATE; + h->flags |= MHEAP_FLAG_SMALL_OBJECT_CACHE; + } +} + +void +acl_plugin_acl_set_trace_heap(acl_main_t *am, int on) +{ + clib_mem_set_heap(acl_set_heap(am)); + mheap_t *h = mheap_header (am->acl_mheap); + if (on) { + h->flags |= MHEAP_FLAG_TRACE; + } else { + h->flags &= ~MHEAP_FLAG_TRACE; + } +} + +static void +vl_api_acl_plugin_get_version_t_handler (vl_api_acl_plugin_get_version_t * mp) +{ + acl_main_t *am = &acl_main; + vl_api_acl_plugin_get_version_reply_t *rmp; + int msg_size = sizeof (*rmp); + unix_shared_memory_queue_t *q; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + { + return; + } + + rmp = vl_msg_api_alloc (msg_size); + memset (rmp, 0, msg_size); + rmp->_vl_msg_id = + ntohs (VL_API_ACL_PLUGIN_GET_VERSION_REPLY + am->msg_id_base); + rmp->context = mp->context; + rmp->major = htonl (ACL_PLUGIN_VERSION_MAJOR); + rmp->minor = htonl (ACL_PLUGIN_VERSION_MINOR); + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_acl_plugin_control_ping_t_handler (vl_api_acl_plugin_control_ping_t * mp) +{ + vl_api_acl_plugin_control_ping_reply_t *rmp; + acl_main_t *am = &acl_main; + int rv = 0; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_ACL_PLUGIN_CONTROL_PING_REPLY, + ({ + rmp->vpe_pid = ntohl (getpid ()); + })); + /* *INDENT-ON* */ +} + +static int +acl_add_list (u32 count, vl_api_acl_rule_t rules[], + u32 * acl_list_index, u8 * tag) +{ + acl_main_t *am = &acl_main; + acl_list_t *a; + acl_rule_t *r; + acl_rule_t *acl_new_rules = 0; + int i; + + if (*acl_list_index != ~0) + { + /* They supplied some number, let's see if this ACL exists */ + if (pool_is_free_index (am->acls, *acl_list_index)) + { + /* tried to replace a non-existent ACL, no point doing anything */ + clib_warning("acl-plugin-error: Trying to replace nonexistent ACL %d (tag %s)", *acl_list_index, tag); + return -1; + } + } + if (0 == count) { + clib_warning("acl-plugin-warning: supplied no rules for ACL %d (tag %s)", *acl_list_index, tag); + } + + void *oldheap = acl_set_heap(am); + + /* Create and populate the rules */ + if (count > 0) + vec_validate(acl_new_rules, count-1); + + for (i = 0; i < count; i++) + { + r = vec_elt_at_index(acl_new_rules, i); + memset(r, 0, sizeof(*r)); + r->is_permit = rules[i].is_permit; + r->is_ipv6 = rules[i].is_ipv6; + if (r->is_ipv6) + { + memcpy (&r->src, rules[i].src_ip_addr, sizeof (r->src)); + memcpy (&r->dst, rules[i].dst_ip_addr, sizeof (r->dst)); + } + else + { + memcpy (&r->src.ip4, rules[i].src_ip_addr, sizeof (r->src.ip4)); + memcpy (&r->dst.ip4, rules[i].dst_ip_addr, sizeof (r->dst.ip4)); + } + r->src_prefixlen = rules[i].src_ip_prefix_len; + r->dst_prefixlen = rules[i].dst_ip_prefix_len; + r->proto = rules[i].proto; + r->src_port_or_type_first = ntohs ( rules[i].srcport_or_icmptype_first ); + r->src_port_or_type_last = ntohs ( rules[i].srcport_or_icmptype_last ); + r->dst_port_or_code_first = ntohs ( rules[i].dstport_or_icmpcode_first ); + r->dst_port_or_code_last = ntohs ( rules[i].dstport_or_icmpcode_last ); + r->tcp_flags_value = rules[i].tcp_flags_value; + r->tcp_flags_mask = rules[i].tcp_flags_mask; + } + + if (~0 == *acl_list_index) + { + /* Get ACL index */ + pool_get_aligned (am->acls, a, CLIB_CACHE_LINE_BYTES); + memset (a, 0, sizeof (*a)); + /* Will return the newly allocated ACL index */ + *acl_list_index = a - am->acls; + } + else + { + a = am->acls + *acl_list_index; + hash_acl_delete(am, *acl_list_index); + /* Get rid of the old rules */ + if (a->rules) + vec_free (a->rules); + } + a->rules = acl_new_rules; + a->count = count; + memcpy (a->tag, tag, sizeof (a->tag)); + hash_acl_add(am, *acl_list_index); + clib_mem_set_heap (oldheap); + return 0; +} + +static int +acl_del_list (u32 acl_list_index) +{ + acl_main_t *am = &acl_main; + acl_list_t *a; + int i, ii; + if (pool_is_free_index (am->acls, acl_list_index)) + { + return -1; + } + + if (acl_list_index < vec_len(am->input_sw_if_index_vec_by_acl)) { + if (vec_len(vec_elt(am->input_sw_if_index_vec_by_acl, acl_list_index)) > 0) { + /* ACL is applied somewhere inbound. Refuse to delete */ + return -1; + } + } + if (acl_list_index < vec_len(am->output_sw_if_index_vec_by_acl)) { + if (vec_len(vec_elt(am->output_sw_if_index_vec_by_acl, acl_list_index)) > 0) { + /* ACL is applied somewhere outbound. Refuse to delete */ + return -1; + } + } + + void *oldheap = acl_set_heap(am); + /* delete any references to the ACL */ + for (i = 0; i < vec_len (am->output_acl_vec_by_sw_if_index); i++) + { + for (ii = 0; ii < vec_len (am->output_acl_vec_by_sw_if_index[i]); + /* see body */ ) + { + if (acl_list_index == am->output_acl_vec_by_sw_if_index[i][ii]) + { + vec_del1 (am->output_acl_vec_by_sw_if_index[i], ii); + } + else + { + ii++; + } + } + } + for (i = 0; i < vec_len (am->input_acl_vec_by_sw_if_index); i++) + { + for (ii = 0; ii < vec_len (am->input_acl_vec_by_sw_if_index[i]); + /* see body */ ) + { + if (acl_list_index == am->input_acl_vec_by_sw_if_index[i][ii]) + { + vec_del1 (am->input_acl_vec_by_sw_if_index[i], ii); + } + else + { + ii++; + } + } + } + /* delete the hash table data */ + + hash_acl_delete(am, acl_list_index); + /* now we can delete the ACL itself */ + a = pool_elt_at_index (am->acls, acl_list_index); + if (a->rules) + vec_free (a->rules); + + pool_put (am->acls, a); + clib_mem_set_heap (oldheap); + return 0; +} + +/* Some aids in ASCII graphing the content */ +#define XX "\377" +#define __ "\000" +#define _(x) +#define v + +u8 ip4_5tuple_mask[] = +_(" dmac smac etype ") +_(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v __ __ v + _(" v ihl totlen ") + _(0x0000) + __ __ __ __ + _(" ident fl+fo ") + _(0x0004) + __ __ __ __ + _(" ttl pr checksum ") + _(0x0008) + __ XX __ __ + _(" src address ") + _(0x000C) + XX XX XX XX + _(" dst address ") + _(0x0010) + XX XX XX XX + _("L4 T/U sport dport ") + _(tcpudp) + XX XX XX XX + _(padpad) + __ __ __ __ + _(padpad) + __ __ __ __ + _(padeth) + __ __; + + u8 ip6_5tuple_mask[] = + _(" dmac smac etype ") + _(ether) __ __ __ __ __ __ v __ __ __ __ __ __ v __ __ v + _(" v tc + flow ") + _(0x0000) __ __ __ __ + _(" plen nh hl ") + _(0x0004) __ __ XX __ + _(" src address ") + _(0x0008) XX XX XX XX + _(0x000C) XX XX XX XX + _(0x0010) XX XX XX XX + _(0x0014) XX XX XX XX + _(" dst address ") + _(0x0018) XX XX XX XX + _(0x001C) XX XX XX XX + _(0x0020) XX XX XX XX + _(0x0024) XX XX XX XX + _("L4T/U sport dport ") + _(tcpudp) XX XX XX XX _(padpad) __ __ __ __ _(padeth) __ __; + +#undef XX +#undef __ +#undef _ +#undef v + + static int count_skip (u8 * p, u32 size) +{ + u64 *p64 = (u64 *) p; + /* Be tolerant to null pointer */ + if (0 == p) + return 0; + + while ((0ULL == *p64) && ((u8 *) p64 - p) < size) + { + p64++; + } + return (p64 - (u64 *) p) / 2; +} + +static int +acl_classify_add_del_table_tiny (vnet_classify_main_t * cm, u8 * mask, + u32 mask_len, u32 next_table_index, + u32 miss_next_index, u32 * table_index, + int is_add) +{ + u32 nbuckets = 1; + u32 memory_size = 2 << 13; + u32 skip = count_skip (mask, mask_len); + u32 match = (mask_len / 16) - skip; + u8 *skip_mask_ptr = mask + 16 * skip; + u32 current_data_flag = 0; + int current_data_offset = 0; + + if (0 == match) + match = 1; + void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base); + int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets, + memory_size, skip, match, + next_table_index, miss_next_index, + table_index, current_data_flag, + current_data_offset, is_add, + 1 /* delete_chain */); + clib_mem_set_heap (oldheap); + return ret; +} + +static int +acl_classify_add_del_table_small (vnet_classify_main_t * cm, u8 * mask, + u32 mask_len, u32 next_table_index, + u32 miss_next_index, u32 * table_index, + int is_add) +{ + u32 nbuckets = 32; + u32 memory_size = 2 << 20; + u32 skip = count_skip (mask, mask_len); + u32 match = (mask_len / 16) - skip; + u8 *skip_mask_ptr = mask + 16 * skip; + u32 current_data_flag = 0; + int current_data_offset = 0; + + if (0 == match) + match = 1; + + void *oldheap = clib_mem_set_heap (cm->vlib_main->heap_base); + int ret = vnet_classify_add_del_table (cm, skip_mask_ptr, nbuckets, + memory_size, skip, match, + next_table_index, miss_next_index, + table_index, current_data_flag, + current_data_offset, is_add, + 1 /* delete_chain */); + clib_mem_set_heap (oldheap); + return ret; +} + + +static int +acl_unhook_l2_input_classify (acl_main_t * am, u32 sw_if_index) +{ + vnet_classify_main_t *cm = &vnet_classify_main; + u32 ip4_table_index = ~0; + u32 ip6_table_index = ~0; + void *oldheap = acl_set_heap(am); + + vec_validate_init_empty (am->acl_ip4_input_classify_table_by_sw_if_index, + sw_if_index, ~0); + vec_validate_init_empty (am->acl_ip6_input_classify_table_by_sw_if_index, + sw_if_index, ~0); + + /* switch to global heap while calling vnet_* functions */ + clib_mem_set_heap (cm->vlib_main->heap_base); + vnet_l2_input_classify_enable_disable (sw_if_index, 0); + + if (am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] != ~0) + { + ip4_table_index = + am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index]; + am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] = ~0; + acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask, + sizeof (ip4_5tuple_mask) - 1, ~0, + am->l2_input_classify_next_acl_ip4, + &ip4_table_index, 0); + } + if (am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] != ~0) + { + ip6_table_index = + am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index]; + am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] = ~0; + acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask, + sizeof (ip6_5tuple_mask) - 1, ~0, + am->l2_input_classify_next_acl_ip6, + &ip6_table_index, 0); + } + clib_mem_set_heap (oldheap); + return 0; +} + +static int +acl_unhook_l2_output_classify (acl_main_t * am, u32 sw_if_index) +{ + vnet_classify_main_t *cm = &vnet_classify_main; + u32 ip4_table_index = ~0; + u32 ip6_table_index = ~0; + void *oldheap = acl_set_heap(am); + + vec_validate_init_empty (am->acl_ip4_output_classify_table_by_sw_if_index, + sw_if_index, ~0); + vec_validate_init_empty (am->acl_ip6_output_classify_table_by_sw_if_index, + sw_if_index, ~0); + + /* switch to global heap while calling vnet_* functions */ + clib_mem_set_heap (cm->vlib_main->heap_base); + + vnet_l2_output_classify_enable_disable (sw_if_index, 0); + + if (am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] != ~0) + { + ip4_table_index = + am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index]; + am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] = ~0; + acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask, + sizeof (ip4_5tuple_mask) - 1, ~0, + am->l2_output_classify_next_acl_ip4, + &ip4_table_index, 0); + } + if (am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] != ~0) + { + ip6_table_index = + am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index]; + am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] = ~0; + acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask, + sizeof (ip6_5tuple_mask) - 1, ~0, + am->l2_output_classify_next_acl_ip6, + &ip6_table_index, 0); + } + clib_mem_set_heap (oldheap); + return 0; +} + +static int +acl_hook_l2_input_classify (acl_main_t * am, u32 sw_if_index) +{ + vnet_classify_main_t *cm = &vnet_classify_main; + u32 ip4_table_index = ~0; + u32 ip6_table_index = ~0; + int rv; + + void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base); + + /* in case there were previous tables attached */ + acl_unhook_l2_input_classify (am, sw_if_index); + rv = + acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask, + sizeof (ip4_5tuple_mask) - 1, ~0, + am->l2_input_classify_next_acl_ip4, + &ip4_table_index, 1); + if (rv) + goto done; + rv = + acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask, + sizeof (ip6_5tuple_mask) - 1, ~0, + am->l2_input_classify_next_acl_ip6, + &ip6_table_index, 1); + if (rv) + { + acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask, + sizeof (ip4_5tuple_mask) - 1, ~0, + am->l2_input_classify_next_acl_ip4, + &ip4_table_index, 0); + goto done; + } + rv = + vnet_l2_input_classify_set_tables (sw_if_index, ip4_table_index, + ip6_table_index, ~0); + if (rv) + { + acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask, + sizeof (ip6_5tuple_mask) - 1, ~0, + am->l2_input_classify_next_acl_ip6, + &ip6_table_index, 0); + acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask, + sizeof (ip4_5tuple_mask) - 1, ~0, + am->l2_input_classify_next_acl_ip4, + &ip4_table_index, 0); + goto done; + } + + am->acl_ip4_input_classify_table_by_sw_if_index[sw_if_index] = + ip4_table_index; + am->acl_ip6_input_classify_table_by_sw_if_index[sw_if_index] = + ip6_table_index; + + vnet_l2_input_classify_enable_disable (sw_if_index, 1); +done: + clib_mem_set_heap (prevheap); + return rv; +} + +static int +acl_hook_l2_output_classify (acl_main_t * am, u32 sw_if_index) +{ + vnet_classify_main_t *cm = &vnet_classify_main; + u32 ip4_table_index = ~0; + u32 ip6_table_index = ~0; + int rv; + + void *prevheap = clib_mem_set_heap (cm->vlib_main->heap_base); + + /* in case there were previous tables attached */ + acl_unhook_l2_output_classify (am, sw_if_index); + rv = + acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask, + sizeof (ip4_5tuple_mask) - 1, ~0, + am->l2_output_classify_next_acl_ip4, + &ip4_table_index, 1); + if (rv) + goto done; + rv = + acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask, + sizeof (ip6_5tuple_mask) - 1, ~0, + am->l2_output_classify_next_acl_ip6, + &ip6_table_index, 1); + if (rv) + { + acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask, + sizeof (ip4_5tuple_mask) - 1, ~0, + am->l2_output_classify_next_acl_ip4, + &ip4_table_index, 0); + goto done; + } + rv = + vnet_l2_output_classify_set_tables (sw_if_index, ip4_table_index, + ip6_table_index, ~0); + clib_warning + ("ACL enabling on interface sw_if_index %d, setting tables to the following: ip4: %d ip6: %d\n", + sw_if_index, ip4_table_index, ip6_table_index); + if (rv) + { + acl_classify_add_del_table_tiny (cm, ip6_5tuple_mask, + sizeof (ip6_5tuple_mask) - 1, ~0, + am->l2_output_classify_next_acl_ip6, + &ip6_table_index, 0); + acl_classify_add_del_table_tiny (cm, ip4_5tuple_mask, + sizeof (ip4_5tuple_mask) - 1, ~0, + am->l2_output_classify_next_acl_ip4, + &ip4_table_index, 0); + goto done; + } + + am->acl_ip4_output_classify_table_by_sw_if_index[sw_if_index] = + ip4_table_index; + am->acl_ip6_output_classify_table_by_sw_if_index[sw_if_index] = + ip6_table_index; + + vnet_l2_output_classify_enable_disable (sw_if_index, 1); +done: + clib_mem_set_heap (prevheap); + return rv; +} + + + +int +acl_interface_in_enable_disable (acl_main_t * am, u32 sw_if_index, + int enable_disable) +{ + int rv; + + /* Utterly wrong? */ + if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces, + sw_if_index)) + return VNET_API_ERROR_INVALID_SW_IF_INDEX; + + acl_fa_enable_disable(sw_if_index, 1, enable_disable); + + if (enable_disable) + { + rv = acl_hook_l2_input_classify (am, sw_if_index); + } + else + { + rv = acl_unhook_l2_input_classify (am, sw_if_index); + } + + return rv; +} + +int +acl_interface_out_enable_disable (acl_main_t * am, u32 sw_if_index, + int enable_disable) +{ + int rv; + + /* Utterly wrong? */ + if (pool_is_free_index (am->vnet_main->interface_main.sw_interfaces, + sw_if_index)) + return VNET_API_ERROR_INVALID_SW_IF_INDEX; + + acl_fa_enable_disable(sw_if_index, 0, enable_disable); + + if (enable_disable) + { + rv = acl_hook_l2_output_classify (am, sw_if_index); + } + else + { + rv = acl_unhook_l2_output_classify (am, sw_if_index); + } + + return rv; +} + +static int +acl_is_not_defined(acl_main_t *am, u32 acl_list_index) +{ + return (pool_is_free_index (am->acls, acl_list_index)); +} + + +static int +acl_interface_add_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index) +{ + acl_main_t *am = &acl_main; + if (acl_is_not_defined(am, acl_list_index)) { + /* ACL is not defined. Can not apply */ + return -1; + } + void *oldheap = acl_set_heap(am); + + if (is_input) + { + vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index); + + u32 index = vec_search(am->input_acl_vec_by_sw_if_index[sw_if_index], acl_list_index); + if (index < vec_len(am->input_acl_vec_by_sw_if_index[sw_if_index])) { + clib_warning("ACL %d is already applied inbound on sw_if_index %d (index %d)", + acl_list_index, sw_if_index, index); + /* the entry is already there */ + clib_mem_set_heap (oldheap); + return -1; + } + /* if there was no ACL applied before, enable the ACL processing */ + if (vec_len(am->input_acl_vec_by_sw_if_index[sw_if_index]) == 0) { + acl_interface_in_enable_disable (am, sw_if_index, 1); + } + vec_add (am->input_acl_vec_by_sw_if_index[sw_if_index], &acl_list_index, + 1); + vec_validate (am->input_sw_if_index_vec_by_acl, acl_list_index); + vec_add (am->input_sw_if_index_vec_by_acl[acl_list_index], &sw_if_index, + 1); + } + else + { + vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index); + + u32 index = vec_search(am->output_acl_vec_by_sw_if_index[sw_if_index], acl_list_index); + if (index < vec_len(am->output_acl_vec_by_sw_if_index[sw_if_index])) { + clib_warning("ACL %d is already applied outbound on sw_if_index %d (index %d)", + acl_list_index, sw_if_index, index); + /* the entry is already there */ + clib_mem_set_heap (oldheap); + return -1; + } + /* if there was no ACL applied before, enable the ACL processing */ + if (vec_len(am->output_acl_vec_by_sw_if_index[sw_if_index]) == 0) { + acl_interface_out_enable_disable (am, sw_if_index, 1); + } + vec_add (am->output_acl_vec_by_sw_if_index[sw_if_index], + &acl_list_index, 1); + vec_validate (am->output_sw_if_index_vec_by_acl, acl_list_index); + vec_add (am->output_sw_if_index_vec_by_acl[acl_list_index], &sw_if_index, + 1); + } + clib_mem_set_heap (oldheap); + return 0; +} + + +static int +acl_interface_del_inout_acl (u32 sw_if_index, u8 is_input, u32 acl_list_index) +{ + acl_main_t *am = &acl_main; + int i; + int rv = -1; + void *oldheap = acl_set_heap(am); + if (is_input) + { + vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index); + for (i = 0; i < vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]); + i++) + { + if (acl_list_index == + am->input_acl_vec_by_sw_if_index[sw_if_index][i]) + { + vec_del1 (am->input_acl_vec_by_sw_if_index[sw_if_index], i); + rv = 0; + break; + } + } + + if (acl_list_index < vec_len(am->input_sw_if_index_vec_by_acl)) { + u32 index = vec_search(am->input_sw_if_index_vec_by_acl[acl_list_index], sw_if_index); + if (index < vec_len(am->input_sw_if_index_vec_by_acl[acl_list_index])) { + hash_acl_unapply(am, sw_if_index, is_input, acl_list_index); + vec_del1 (am->input_sw_if_index_vec_by_acl[acl_list_index], index); + } + } + + /* If there is no more ACLs applied on an interface, disable ACL processing */ + if (0 == vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index])) + { + acl_interface_in_enable_disable (am, sw_if_index, 0); + } + } + else + { + vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index); + for (i = 0; + i < vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]); i++) + { + if (acl_list_index == + am->output_acl_vec_by_sw_if_index[sw_if_index][i]) + { + vec_del1 (am->output_acl_vec_by_sw_if_index[sw_if_index], i); + rv = 0; + break; + } + } + + if (acl_list_index < vec_len(am->output_sw_if_index_vec_by_acl)) { + u32 index = vec_search(am->output_sw_if_index_vec_by_acl[acl_list_index], sw_if_index); + if (index < vec_len(am->output_sw_if_index_vec_by_acl[acl_list_index])) { + hash_acl_unapply(am, sw_if_index, is_input, acl_list_index); + vec_del1 (am->output_sw_if_index_vec_by_acl[acl_list_index], index); + } + } + + /* If there is no more ACLs applied on an interface, disable ACL processing */ + if (0 == vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index])) + { + acl_interface_out_enable_disable (am, sw_if_index, 0); + } + } + clib_mem_set_heap (oldheap); + return rv; +} + +static void +acl_interface_reset_inout_acls (u32 sw_if_index, u8 is_input) +{ + acl_main_t *am = &acl_main; + int i; + void *oldheap = acl_set_heap(am); + if (is_input) + { + vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index); + if (vec_len(am->input_acl_vec_by_sw_if_index[sw_if_index]) > 0) { + acl_interface_in_enable_disable (am, sw_if_index, 0); + } + + for(i = vec_len(am->input_acl_vec_by_sw_if_index[sw_if_index])-1; i>=0; i--) { + u32 acl_list_index = am->input_acl_vec_by_sw_if_index[sw_if_index][i]; + hash_acl_unapply(am, sw_if_index, is_input, acl_list_index); + if (acl_list_index < vec_len(am->input_sw_if_index_vec_by_acl)) { + u32 index = vec_search(am->input_sw_if_index_vec_by_acl[acl_list_index], sw_if_index); + if (index < vec_len(am->input_sw_if_index_vec_by_acl[acl_list_index])) { + vec_del1 (am->input_sw_if_index_vec_by_acl[acl_list_index], index); + } + } + } + + vec_reset_length (am->input_acl_vec_by_sw_if_index[sw_if_index]); + } + else + { + vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index); + if (vec_len(am->output_acl_vec_by_sw_if_index[sw_if_index]) > 0) { + acl_interface_out_enable_disable (am, sw_if_index, 0); + } + + for(i = vec_len(am->output_acl_vec_by_sw_if_index[sw_if_index])-1; i>=0; i--) { + u32 acl_list_index = am->output_acl_vec_by_sw_if_index[sw_if_index][i]; + hash_acl_unapply(am, sw_if_index, is_input, acl_list_index); + if (acl_list_index < vec_len(am->output_sw_if_index_vec_by_acl)) { + u32 index = vec_search(am->output_sw_if_index_vec_by_acl[acl_list_index], sw_if_index); + if (index < vec_len(am->output_sw_if_index_vec_by_acl[acl_list_index])) { + vec_del1 (am->output_sw_if_index_vec_by_acl[acl_list_index], index); + } + } + } + + vec_reset_length (am->output_acl_vec_by_sw_if_index[sw_if_index]); + } + clib_mem_set_heap (oldheap); +} + +static int +acl_interface_add_del_inout_acl (u32 sw_if_index, u8 is_add, u8 is_input, + u32 acl_list_index) +{ + int rv = -1; + acl_main_t *am = &acl_main; + if (is_add) + { + rv = + acl_interface_add_inout_acl (sw_if_index, is_input, acl_list_index); + if (rv == 0) + { + hash_acl_apply(am, sw_if_index, is_input, acl_list_index); + } + } + else + { + hash_acl_unapply(am, sw_if_index, is_input, acl_list_index); + rv = + acl_interface_del_inout_acl (sw_if_index, is_input, acl_list_index); + } + return rv; +} + + +typedef struct +{ + u8 is_ipv6; + u8 mac_mask[6]; + u8 prefix_len; + u32 count; + u32 table_index; + u32 arp_table_index; +} macip_match_type_t; + +static u32 +macip_find_match_type (macip_match_type_t * mv, u8 * mac_mask, u8 prefix_len, + u8 is_ipv6) +{ + u32 i; + if (mv) + { + for (i = 0; i < vec_len (mv); i++) + { + if ((mv[i].prefix_len == prefix_len) && (mv[i].is_ipv6 == is_ipv6) + && (0 == memcmp (mv[i].mac_mask, mac_mask, 6))) + { + return i; + } + } + } + return ~0; +} + + +/* Get metric used to sort match types. + The more specific and the more often seen - the bigger the metric */ +static int +match_type_metric (macip_match_type_t * m) +{ + unsigned int mac_bits_set = 0; + unsigned int mac_byte; + int i; + for (i=0; i<6; i++) + { + mac_byte = m->mac_mask[i]; + for (; mac_byte; mac_byte >>= 1) + mac_bits_set += mac_byte & 1; + } + /* + * Attempt to place the more specific and the more used rules on top. + * There are obvious caveat corner cases to this, but they do not + * seem to be sensible in real world (e.g. specific IPv4 with wildcard MAC + * going with a wildcard IPv4 with a specific MAC). + */ + return m->prefix_len + mac_bits_set + m->is_ipv6 + 10 * m->count; +} + +static int +match_type_compare (macip_match_type_t * m1, macip_match_type_t * m2) +{ + /* Ascending sort based on the metric values */ + return match_type_metric (m1) - match_type_metric (m2); +} + +/* Get the offset of L3 source within ethernet packet */ +static int +get_l3_src_offset(int is6) +{ + if(is6) + return (sizeof(ethernet_header_t) + offsetof(ip6_header_t, src_address)); + else + return (sizeof(ethernet_header_t) + offsetof(ip4_header_t, src_address)); +} + +static int +macip_create_classify_tables (acl_main_t * am, u32 macip_acl_index) +{ + macip_match_type_t *mvec = NULL; + macip_match_type_t *mt; + macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index); + int i; + u32 match_type_index; + u32 last_table; + u8 mask[5 * 16]; + vnet_classify_main_t *cm = &vnet_classify_main; + + /* Count the number of different types of rules */ + for (i = 0; i < a->count; i++) + { + if (~0 == + (match_type_index = + macip_find_match_type (mvec, a->rules[i].src_mac_mask, + a->rules[i].src_prefixlen, + a->rules[i].is_ipv6))) + { + match_type_index = vec_len (mvec); + vec_validate (mvec, match_type_index); + memcpy (mvec[match_type_index].mac_mask, + a->rules[i].src_mac_mask, 6); + mvec[match_type_index].prefix_len = a->rules[i].src_prefixlen; + mvec[match_type_index].is_ipv6 = a->rules[i].is_ipv6; + mvec[match_type_index].table_index = ~0; + } + mvec[match_type_index].count++; + } + /* Put the most frequently used tables last in the list so we can create classifier tables in reverse order */ + vec_sort_with_function (mvec, match_type_compare); + /* Create the classifier tables */ + last_table = ~0; + /* First add ARP tables */ + vec_foreach (mt, mvec) + { + int mask_len; + int is6 = mt->is_ipv6; + + mt->arp_table_index = ~0; + if (!is6) + { + memset (mask, 0, sizeof (mask)); + memcpy (&mask[6], mt->mac_mask, 6); + memset (&mask[12], 0xff, 2); /* ethernet protocol */ + memcpy (&mask[14 + 8], mt->mac_mask, 6); + + for (i = 0; i < (mt->prefix_len / 8); i++) + mask[14 + 14 + i] = 0xff; + if (mt->prefix_len % 8) + mask[14 + 14 + (mt->prefix_len / 8)] = 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1); + + mask_len = ((14 + 14 + ((mt->prefix_len+7) / 8) + + (sizeof (u32x4)-1))/sizeof(u32x4)) * sizeof (u32x4); + acl_classify_add_del_table_small (cm, mask, mask_len, last_table, + (~0 == last_table) ? 0 : ~0, &mt->arp_table_index, + 1); + last_table = mt->arp_table_index; + } + } + /* Now add IP[46] tables */ + vec_foreach (mt, mvec) + { + int mask_len; + int is6 = mt->is_ipv6; + int l3_src_offs = get_l3_src_offset(is6); + memset (mask, 0, sizeof (mask)); + memcpy (&mask[6], mt->mac_mask, 6); + for (i = 0; i < (mt->prefix_len / 8); i++) + { + mask[l3_src_offs + i] = 0xff; + } + if (mt->prefix_len % 8) + { + mask[l3_src_offs + (mt->prefix_len / 8)] = + 0xff - ((1 << (8 - mt->prefix_len % 8)) - 1); + } + /* + * Round-up the number of bytes needed to store the prefix, + * and round up the number of vectors too + */ + mask_len = ((l3_src_offs + ((mt->prefix_len+7) / 8) + + (sizeof (u32x4)-1))/sizeof(u32x4)) * sizeof (u32x4); + acl_classify_add_del_table_small (cm, mask, mask_len, last_table, + (~0 == last_table) ? 0 : ~0, &mt->table_index, + 1); + last_table = mt->table_index; + } + a->ip4_table_index = last_table; + a->ip6_table_index = last_table; + a->l2_table_index = last_table; + + /* Populate the classifier tables with rules from the MACIP ACL */ + for (i = 0; i < a->count; i++) + { + u32 action = 0; + u32 metadata = 0; + int is6 = a->rules[i].is_ipv6; + int l3_src_offs = get_l3_src_offset(is6); + memset (mask, 0, sizeof (mask)); + memcpy (&mask[6], a->rules[i].src_mac, 6); + memset (&mask[12], 0xff, 2); /* ethernet protocol */ + if (is6) + { + memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip6, 16); + mask[12] = 0x86; + mask[13] = 0xdd; + } + else + { + memcpy (&mask[l3_src_offs], &a->rules[i].src_ip_addr.ip4, 4); + mask[12] = 0x08; + mask[13] = 0x00; + } + match_type_index = + macip_find_match_type (mvec, a->rules[i].src_mac_mask, + a->rules[i].src_prefixlen, + a->rules[i].is_ipv6); + ASSERT(match_type_index != ~0); + /* add session to table mvec[match_type_index].table_index; */ + vnet_classify_add_del_session (cm, mvec[match_type_index].table_index, + mask, a->rules[i].is_permit ? ~0 : 0, i, + 0, action, metadata, 1); + /* add ARP table entry too */ + if (!is6 && (mvec[match_type_index].arp_table_index != ~0)) + { + memset (mask, 0, sizeof (mask)); + memcpy (&mask[6], a->rules[i].src_mac, 6); + mask[12] = 0x08; + mask[13] = 0x06; + memcpy (&mask[14 + 8], a->rules[i].src_mac, 6); + memcpy (&mask[14 + 14], &a->rules[i].src_ip_addr.ip4, 4); + vnet_classify_add_del_session (cm, mvec[match_type_index].arp_table_index, + mask, a->rules[i].is_permit ? ~0 : 0, i, + 0, action, metadata, 1); + } + } + return 0; +} + +static void +macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index) +{ + vnet_classify_main_t *cm = &vnet_classify_main; + macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, macip_acl_index); + + if (a->ip4_table_index != ~0) + { + acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->ip4_table_index, 0); + a->ip4_table_index = ~0; + } + if (a->ip6_table_index != ~0) + { + acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->ip6_table_index, 0); + a->ip6_table_index = ~0; + } + if (a->l2_table_index != ~0) + { + acl_classify_add_del_table_small (cm, 0, ~0, ~0, ~0, &a->l2_table_index, 0); + a->l2_table_index = ~0; + } +} + +static int +macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[], + u32 * acl_list_index, u8 * tag) +{ + acl_main_t *am = &acl_main; + macip_acl_list_t *a; + macip_acl_rule_t *r; + macip_acl_rule_t *acl_new_rules = 0; + int i; + + if (*acl_list_index != ~0) + { + /* They supplied some number, let's see if this MACIP ACL exists */ + if (pool_is_free_index (am->macip_acls, *acl_list_index)) + { + /* tried to replace a non-existent ACL, no point doing anything */ + clib_warning("acl-plugin-error: Trying to replace nonexistent MACIP ACL %d (tag %s)", *acl_list_index, tag); + return -1; + } + } + + if (0 == count) { + clib_warning("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)", tag); + } + void *oldheap = acl_set_heap(am); + /* Create and populate the rules */ + if (count > 0) + vec_validate(acl_new_rules, count-1); + + for (i = 0; i < count; i++) + { + r = &acl_new_rules[i]; + r->is_permit = rules[i].is_permit; + r->is_ipv6 = rules[i].is_ipv6; + memcpy (&r->src_mac, rules[i].src_mac, 6); + memcpy (&r->src_mac_mask, rules[i].src_mac_mask, 6); + if(rules[i].is_ipv6) + memcpy (&r->src_ip_addr.ip6, rules[i].src_ip_addr, 16); + else + memcpy (&r->src_ip_addr.ip4, rules[i].src_ip_addr, 4); + r->src_prefixlen = rules[i].src_ip_prefix_len; + } + + if (~0 == *acl_list_index) + { + /* Get ACL index */ + pool_get_aligned (am->macip_acls, a, CLIB_CACHE_LINE_BYTES); + memset (a, 0, sizeof (*a)); + /* Will return the newly allocated ACL index */ + *acl_list_index = a - am->macip_acls; + } + else + { + a = pool_elt_at_index (am->macip_acls, *acl_list_index); + if (a->rules) + { + vec_free (a->rules); + } + macip_destroy_classify_tables (am, *acl_list_index); + } + + a->rules = acl_new_rules; + a->count = count; + memcpy (a->tag, tag, sizeof (a->tag)); + + /* Create and populate the classifer tables */ + macip_create_classify_tables (am, *acl_list_index); + clib_mem_set_heap (oldheap); + return 0; +} + + +/* No check for validity of sw_if_index - the callers were supposed to validate */ + +static int +macip_acl_interface_del_acl (acl_main_t * am, u32 sw_if_index) +{ + int rv; + u32 macip_acl_index; + macip_acl_list_t *a; + void *oldheap = acl_set_heap(am); + vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0); + clib_mem_set_heap (oldheap); + macip_acl_index = am->macip_acl_by_sw_if_index[sw_if_index]; + /* No point in deleting MACIP ACL which is not applied */ + if (~0 == macip_acl_index) + return -1; + a = pool_elt_at_index (am->macip_acls, macip_acl_index); + /* remove the classifier tables off the interface L2 ACL */ + rv = + vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index, + a->ip6_table_index, a->l2_table_index, 0); + /* Unset the MACIP ACL index */ + am->macip_acl_by_sw_if_index[sw_if_index] = ~0; + return rv; +} + +/* No check for validity of sw_if_index - the callers were supposed to validate */ + +static int +macip_acl_interface_add_acl (acl_main_t * am, u32 sw_if_index, + u32 macip_acl_index) +{ + macip_acl_list_t *a; + int rv; + if (pool_is_free_index (am->macip_acls, macip_acl_index)) + { + return -1; + } + void *oldheap = acl_set_heap(am); + a = pool_elt_at_index (am->macip_acls, macip_acl_index); + vec_validate_init_empty (am->macip_acl_by_sw_if_index, sw_if_index, ~0); + clib_mem_set_heap (oldheap); + /* If there already a MACIP ACL applied, unapply it */ + if (~0 != am->macip_acl_by_sw_if_index[sw_if_index]) + macip_acl_interface_del_acl(am, sw_if_index); + am->macip_acl_by_sw_if_index[sw_if_index] = macip_acl_index; + + /* Apply the classifier tables for L2 ACLs */ + rv = + vnet_set_input_acl_intfc (am->vlib_main, sw_if_index, a->ip4_table_index, + a->ip6_table_index, a->l2_table_index, 1); + return rv; +} + +static int +macip_acl_del_list (u32 acl_list_index) +{ + acl_main_t *am = &acl_main; + macip_acl_list_t *a; + int i; + if (pool_is_free_index (am->macip_acls, acl_list_index)) + { + return -1; + } + + /* delete any references to the ACL */ + for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++) + { + if (am->macip_acl_by_sw_if_index[i] == acl_list_index) + { + macip_acl_interface_del_acl (am, i); + } + } + + void *oldheap = acl_set_heap(am); + /* Now that classifier tables are detached, clean them up */ + macip_destroy_classify_tables (am, acl_list_index); + + /* now we can delete the ACL itself */ + a = pool_elt_at_index (am->macip_acls, acl_list_index); + if (a->rules) + { + vec_free (a->rules); + } + pool_put (am->macip_acls, a); + clib_mem_set_heap (oldheap); + return 0; +} + + +static int +macip_acl_interface_add_del_acl (u32 sw_if_index, u8 is_add, + u32 acl_list_index) +{ + acl_main_t *am = &acl_main; + int rv = -1; + if (is_add) + { + rv = macip_acl_interface_add_acl (am, sw_if_index, acl_list_index); + } + else + { + rv = macip_acl_interface_del_acl (am, sw_if_index); + } + return rv; +} + +/* + * If the client does not allocate enough memory for a variable-length + * message, and then proceed to use it as if the full memory allocated, + * absent the check we happily consume that on the VPP side, and go + * along as if nothing happened. However, the resulting + * effects range from just garbage in the API decode + * (because the decoder snoops too far), to potential memory + * corruptions. + * + * This verifies that the actual length of the message is + * at least expected_len, and complains loudly if it is not. + * + * A failing check here is 100% a software bug on the API user side, + * so we might as well yell. + * + */ +static int verify_message_len(void *mp, u32 expected_len, char *where) +{ + u32 supplied_len = vl_msg_api_get_msg_length (mp); + if (supplied_len < expected_len) { + clib_warning("%s: Supplied message length %d is less than expected %d", + where, supplied_len, expected_len); + return 0; + } else { + return 1; + } +} + +/* API message handler */ +static void +vl_api_acl_add_replace_t_handler (vl_api_acl_add_replace_t * mp) +{ + vl_api_acl_add_replace_reply_t *rmp; + acl_main_t *am = &acl_main; + int rv; + u32 acl_list_index = ntohl (mp->acl_index); + u32 acl_count = ntohl (mp->count); + u32 expected_len = sizeof(*mp) + acl_count*sizeof(mp->r[0]); + + if (verify_message_len(mp, expected_len, "acl_add_replace")) { + rv = acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag); + } else { + rv = VNET_API_ERROR_INVALID_VALUE; + } + + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_ACL_ADD_REPLACE_REPLY, + ({ + rmp->acl_index = htonl(acl_list_index); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_acl_del_t_handler (vl_api_acl_del_t * mp) +{ + acl_main_t *am = &acl_main; + vl_api_acl_del_reply_t *rmp; + int rv; + + rv = acl_del_list (ntohl (mp->acl_index)); + + REPLY_MACRO (VL_API_ACL_DEL_REPLY); +} + +static void +vl_api_acl_interface_add_del_t_handler (vl_api_acl_interface_add_del_t * mp) +{ + acl_main_t *am = &acl_main; + vnet_interface_main_t *im = &am->vnet_main->interface_main; + u32 sw_if_index = ntohl (mp->sw_if_index); + vl_api_acl_interface_add_del_reply_t *rmp; + int rv = -1; + + if (pool_is_free_index(im->sw_interfaces, sw_if_index)) + rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; + else + rv = + acl_interface_add_del_inout_acl (sw_if_index, mp->is_add, + mp->is_input, ntohl (mp->acl_index)); + + REPLY_MACRO (VL_API_ACL_INTERFACE_ADD_DEL_REPLY); +} + +static void +vl_api_acl_interface_set_acl_list_t_handler + (vl_api_acl_interface_set_acl_list_t * mp) +{ + acl_main_t *am = &acl_main; + vl_api_acl_interface_set_acl_list_reply_t *rmp; + int rv = 0; + int i; + vnet_interface_main_t *im = &am->vnet_main->interface_main; + u32 sw_if_index = ntohl (mp->sw_if_index); + + if (pool_is_free_index(im->sw_interfaces, sw_if_index)) + rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; + else + { + acl_interface_reset_inout_acls (sw_if_index, 0); + acl_interface_reset_inout_acls (sw_if_index, 1); + + for (i = 0; i < mp->count; i++) + { + if(acl_is_not_defined(am, ntohl (mp->acls[i]))) { + /* ACL does not exist, so we can not apply it */ + rv = -1; + } + } + if (0 == rv) { + for (i = 0; i < mp->count; i++) + { + acl_interface_add_del_inout_acl (sw_if_index, 1, (i < mp->n_input), + ntohl (mp->acls[i])); + } + } + } + + REPLY_MACRO (VL_API_ACL_INTERFACE_SET_ACL_LIST_REPLY); +} + +static void +copy_acl_rule_to_api_rule (vl_api_acl_rule_t * api_rule, acl_rule_t * r) +{ + api_rule->is_permit = r->is_permit; + api_rule->is_ipv6 = r->is_ipv6; + if(r->is_ipv6) + { + memcpy (api_rule->src_ip_addr, &r->src, sizeof (r->src)); + memcpy (api_rule->dst_ip_addr, &r->dst, sizeof (r->dst)); + } + else + { + memcpy (api_rule->src_ip_addr, &r->src.ip4, sizeof (r->src.ip4)); + memcpy (api_rule->dst_ip_addr, &r->dst.ip4, sizeof (r->dst.ip4)); + } + api_rule->src_ip_prefix_len = r->src_prefixlen; + api_rule->dst_ip_prefix_len = r->dst_prefixlen; + api_rule->proto = r->proto; + api_rule->srcport_or_icmptype_first = htons (r->src_port_or_type_first); + api_rule->srcport_or_icmptype_last = htons (r->src_port_or_type_last); + api_rule->dstport_or_icmpcode_first = htons (r->dst_port_or_code_first); + api_rule->dstport_or_icmpcode_last = htons (r->dst_port_or_code_last); + api_rule->tcp_flags_mask = r->tcp_flags_mask; + api_rule->tcp_flags_value = r->tcp_flags_value; +} + +static void +send_acl_details (acl_main_t * am, unix_shared_memory_queue_t * q, + acl_list_t * acl, u32 context) +{ + vl_api_acl_details_t *mp; + vl_api_acl_rule_t *rules; + int i; + int msg_size = sizeof (*mp) + sizeof (mp->r[0]) * acl->count; + void *oldheap = acl_set_heap(am); + + mp = vl_msg_api_alloc (msg_size); + memset (mp, 0, msg_size); + mp->_vl_msg_id = ntohs (VL_API_ACL_DETAILS + am->msg_id_base); + + /* fill in the message */ + mp->context = context; + mp->count = htonl (acl->count); + mp->acl_index = htonl (acl - am->acls); + memcpy (mp->tag, acl->tag, sizeof (mp->tag)); + // clib_memcpy (mp->r, acl->rules, acl->count * sizeof(acl->rules[0])); + rules = mp->r; + for (i = 0; i < acl->count; i++) + { + copy_acl_rule_to_api_rule (&rules[i], &acl->rules[i]); + } + + clib_mem_set_heap (oldheap); + vl_msg_api_send_shmem (q, (u8 *) & mp); +} + + +static void +vl_api_acl_dump_t_handler (vl_api_acl_dump_t * mp) +{ + acl_main_t *am = &acl_main; + u32 acl_index; + acl_list_t *acl; + + int rv = -1; + unix_shared_memory_queue_t *q; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + { + return; + } + + if (mp->acl_index == ~0) + { + /* *INDENT-OFF* */ + /* Just dump all ACLs */ + pool_foreach (acl, am->acls, + ({ + send_acl_details(am, q, acl, mp->context); + })); + /* *INDENT-ON* */ + } + else + { + acl_index = ntohl (mp->acl_index); + if (!pool_is_free_index (am->acls, acl_index)) + { + acl = pool_elt_at_index (am->acls, acl_index); + send_acl_details (am, q, acl, mp->context); + } + } + + if (rv == -1) + { + /* FIXME API: should we signal an error here at all ? */ + return; + } +} + +static void +send_acl_interface_list_details (acl_main_t * am, + unix_shared_memory_queue_t * q, + u32 sw_if_index, u32 context) +{ + vl_api_acl_interface_list_details_t *mp; + int msg_size; + int n_input; + int n_output; + int count; + int i = 0; + void *oldheap = acl_set_heap(am); + + vec_validate (am->input_acl_vec_by_sw_if_index, sw_if_index); + vec_validate (am->output_acl_vec_by_sw_if_index, sw_if_index); + + n_input = vec_len (am->input_acl_vec_by_sw_if_index[sw_if_index]); + n_output = vec_len (am->output_acl_vec_by_sw_if_index[sw_if_index]); + count = n_input + n_output; + + msg_size = sizeof (*mp); + msg_size += sizeof (mp->acls[0]) * count; + + mp = vl_msg_api_alloc (msg_size); + memset (mp, 0, msg_size); + mp->_vl_msg_id = + ntohs (VL_API_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base); + + /* fill in the message */ + mp->context = context; + mp->sw_if_index = htonl (sw_if_index); + mp->count = count; + mp->n_input = n_input; + for (i = 0; i < n_input; i++) + { + mp->acls[i] = htonl (am->input_acl_vec_by_sw_if_index[sw_if_index][i]); + } + for (i = 0; i < n_output; i++) + { + mp->acls[n_input + i] = + htonl (am->output_acl_vec_by_sw_if_index[sw_if_index][i]); + } + clib_mem_set_heap (oldheap); + vl_msg_api_send_shmem (q, (u8 *) & mp); +} + +static void +vl_api_acl_interface_list_dump_t_handler (vl_api_acl_interface_list_dump_t * + mp) +{ + acl_main_t *am = &acl_main; + vnet_sw_interface_t *swif; + vnet_interface_main_t *im = &am->vnet_main->interface_main; + + u32 sw_if_index; + unix_shared_memory_queue_t *q; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + { + return; + } + + if (mp->sw_if_index == ~0) + { + /* *INDENT-OFF* */ + pool_foreach (swif, im->sw_interfaces, + ({ + send_acl_interface_list_details(am, q, swif->sw_if_index, mp->context); + })); + /* *INDENT-ON* */ + } + else + { + sw_if_index = ntohl (mp->sw_if_index); + if (!pool_is_free_index(im->sw_interfaces, sw_if_index)) + send_acl_interface_list_details (am, q, sw_if_index, mp->context); + } +} + +/* MACIP ACL API handlers */ + +static void +vl_api_macip_acl_add_t_handler (vl_api_macip_acl_add_t * mp) +{ + vl_api_macip_acl_add_reply_t *rmp; + acl_main_t *am = &acl_main; + int rv; + u32 acl_list_index = ~0; + u32 acl_count = ntohl (mp->count); + u32 expected_len = sizeof(*mp) + acl_count*sizeof(mp->r[0]); + + if (verify_message_len(mp, expected_len, "macip_acl_add")) { + rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag); + } else { + rv = VNET_API_ERROR_INVALID_VALUE; + } + + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLY, + ({ + rmp->acl_index = htonl(acl_list_index); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_macip_acl_add_replace_t_handler (vl_api_macip_acl_add_replace_t * mp) +{ + vl_api_macip_acl_add_replace_reply_t *rmp; + acl_main_t *am = &acl_main; + int rv; + u32 acl_list_index = ntohl (mp->acl_index); + u32 acl_count = ntohl (mp->count); + u32 expected_len = sizeof(*mp) + acl_count*sizeof(mp->r[0]); + + if (verify_message_len(mp, expected_len, "macip_acl_add_replace")) { + rv = macip_acl_add_list (acl_count, mp->r, &acl_list_index, mp->tag); + } else { + rv = VNET_API_ERROR_INVALID_VALUE; + } + + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_MACIP_ACL_ADD_REPLACE_REPLY, + ({ + rmp->acl_index = htonl(acl_list_index); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_macip_acl_del_t_handler (vl_api_macip_acl_del_t * mp) +{ + acl_main_t *am = &acl_main; + vl_api_macip_acl_del_reply_t *rmp; + int rv; + + rv = macip_acl_del_list (ntohl (mp->acl_index)); + + REPLY_MACRO (VL_API_MACIP_ACL_DEL_REPLY); +} + +static void +vl_api_macip_acl_interface_add_del_t_handler + (vl_api_macip_acl_interface_add_del_t * mp) +{ + acl_main_t *am = &acl_main; + vl_api_macip_acl_interface_add_del_reply_t *rmp; + int rv = -1; + vnet_interface_main_t *im = &am->vnet_main->interface_main; + u32 sw_if_index = ntohl (mp->sw_if_index); + + if (pool_is_free_index(im->sw_interfaces, sw_if_index)) + rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; + else + rv = + macip_acl_interface_add_del_acl (ntohl (mp->sw_if_index), mp->is_add, + ntohl (mp->acl_index)); + + REPLY_MACRO (VL_API_MACIP_ACL_INTERFACE_ADD_DEL_REPLY); +} + +static void +send_macip_acl_details (acl_main_t * am, unix_shared_memory_queue_t * q, + macip_acl_list_t * acl, u32 context) +{ + vl_api_macip_acl_details_t *mp; + vl_api_macip_acl_rule_t *rules; + macip_acl_rule_t *r; + int i; + int msg_size = sizeof (*mp) + (acl ? sizeof (mp->r[0]) * acl->count : 0); + + mp = vl_msg_api_alloc (msg_size); + memset (mp, 0, msg_size); + mp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_DETAILS + am->msg_id_base); + + /* fill in the message */ + mp->context = context; + if (acl) + { + memcpy (mp->tag, acl->tag, sizeof (mp->tag)); + mp->count = htonl (acl->count); + mp->acl_index = htonl (acl - am->macip_acls); + rules = mp->r; + for (i = 0; i < acl->count; i++) + { + r = &acl->rules[i]; + rules[i].is_permit = r->is_permit; + rules[i].is_ipv6 = r->is_ipv6; + memcpy (rules[i].src_mac, &r->src_mac, sizeof (r->src_mac)); + memcpy (rules[i].src_mac_mask, &r->src_mac_mask, + sizeof (r->src_mac_mask)); + if (r->is_ipv6) + memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip6, + sizeof (r->src_ip_addr.ip6)); + else + memcpy (rules[i].src_ip_addr, &r->src_ip_addr.ip4, + sizeof (r->src_ip_addr.ip4)); + rules[i].src_ip_prefix_len = r->src_prefixlen; + } + } + else + { + /* No martini, no party - no ACL applied to this interface. */ + mp->acl_index = ~0; + mp->count = 0; + } + + vl_msg_api_send_shmem (q, (u8 *) & mp); +} + + +static void +vl_api_macip_acl_dump_t_handler (vl_api_macip_acl_dump_t * mp) +{ + acl_main_t *am = &acl_main; + macip_acl_list_t *acl; + + unix_shared_memory_queue_t *q; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + { + return; + } + + if (mp->acl_index == ~0) + { + /* Just dump all ACLs for now, with sw_if_index = ~0 */ + pool_foreach (acl, am->macip_acls, ( + { + send_macip_acl_details (am, q, acl, + mp-> + context);} + )); + /* *INDENT-ON* */ + } + else + { + u32 acl_index = ntohl (mp->acl_index); + if (!pool_is_free_index (am->macip_acls, acl_index)) + { + acl = pool_elt_at_index (am->macip_acls, acl_index); + send_macip_acl_details (am, q, acl, mp->context); + } + } +} + +static void +vl_api_macip_acl_interface_get_t_handler (vl_api_macip_acl_interface_get_t * + mp) +{ + acl_main_t *am = &acl_main; + vl_api_macip_acl_interface_get_reply_t *rmp; + u32 count = vec_len (am->macip_acl_by_sw_if_index); + int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]) * count; + unix_shared_memory_queue_t *q; + int i; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + { + return; + } + + rmp = vl_msg_api_alloc (msg_size); + memset (rmp, 0, msg_size); + rmp->_vl_msg_id = + ntohs (VL_API_MACIP_ACL_INTERFACE_GET_REPLY + am->msg_id_base); + rmp->context = mp->context; + rmp->count = htonl (count); + for (i = 0; i < count; i++) + { + rmp->acls[i] = htonl (am->macip_acl_by_sw_if_index[i]); + } + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +send_macip_acl_interface_list_details (acl_main_t * am, + unix_shared_memory_queue_t * q, + u32 sw_if_index, + u32 acl_index, + u32 context) +{ + vl_api_macip_acl_interface_list_details_t *rmp; + /* at this time there is only ever 1 mac ip acl per interface */ + int msg_size = sizeof (*rmp) + sizeof (rmp->acls[0]); + + rmp = vl_msg_api_alloc (msg_size); + memset (rmp, 0, msg_size); + rmp->_vl_msg_id = ntohs (VL_API_MACIP_ACL_INTERFACE_LIST_DETAILS + am->msg_id_base); + + /* fill in the message */ + rmp->context = context; + rmp->count = 1; + rmp->sw_if_index = htonl (sw_if_index); + rmp->acls[0] = htonl (acl_index); + + vl_msg_api_send_shmem (q, (u8 *) & rmp); +} + +static void +vl_api_macip_acl_interface_list_dump_t_handler (vl_api_macip_acl_interface_list_dump_t *mp) +{ + unix_shared_memory_queue_t *q; + acl_main_t *am = &acl_main; + u32 sw_if_index = ntohl (mp->sw_if_index); + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + { + return; + } + + if (sw_if_index == ~0) + { + vec_foreach_index(sw_if_index, am->macip_acl_by_sw_if_index) + { + if (~0 != am->macip_acl_by_sw_if_index[sw_if_index]) + { + send_macip_acl_interface_list_details(am, q, sw_if_index, + am->macip_acl_by_sw_if_index[sw_if_index], + mp->context); + } + } + } + else + { + if (vec_len(am->macip_acl_by_sw_if_index) > sw_if_index) + { + send_macip_acl_interface_list_details(am, q, sw_if_index, + am->macip_acl_by_sw_if_index[sw_if_index], + mp->context); + } + } +} + +/* Set up the API message handling tables */ +static clib_error_t * +acl_plugin_api_hookup (vlib_main_t * vm) +{ + acl_main_t *am = &acl_main; +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + am->msg_id_base), \ + #n, \ + vl_api_##n##_t_handler, \ + vl_noop_handler, \ + vl_api_##n##_t_endian, \ + vl_api_##n##_t_print, \ + sizeof(vl_api_##n##_t), 1); + foreach_acl_plugin_api_msg; +#undef _ + + return 0; +} + +#define vl_msg_name_crc_list +#include <acl/acl_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (acl_main_t * am, api_main_t * apim) +{ +#define _(id,n,crc) \ + vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + am->msg_id_base); + foreach_vl_msg_name_crc_acl; +#undef _ +} + +static void +acl_setup_fa_nodes (void) +{ + vlib_main_t *vm = vlib_get_main (); + acl_main_t *am = &acl_main; + vlib_node_t *n, *n4, *n6; + + n = vlib_get_node_by_name (vm, (u8 *) "l2-input-classify"); + n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip4-l2"); + n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-in-ip6-l2"); + + + am->l2_input_classify_next_acl_ip4 = + vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0); + am->l2_input_classify_next_acl_ip6 = + vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0); + + feat_bitmap_init_next_nodes (vm, n4->index, L2INPUT_N_FEAT, + l2input_get_feat_names (), + am->fa_acl_in_ip4_l2_node_feat_next_node_index); + + feat_bitmap_init_next_nodes (vm, n6->index, L2INPUT_N_FEAT, + l2input_get_feat_names (), + am->fa_acl_in_ip6_l2_node_feat_next_node_index); + + + n = vlib_get_node_by_name (vm, (u8 *) "l2-output-classify"); + n4 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip4-l2"); + n6 = vlib_get_node_by_name (vm, (u8 *) "acl-plugin-out-ip6-l2"); + + am->l2_output_classify_next_acl_ip4 = + vlib_node_add_next_with_slot (vm, n->index, n4->index, ~0); + am->l2_output_classify_next_acl_ip6 = + vlib_node_add_next_with_slot (vm, n->index, n6->index, ~0); + + feat_bitmap_init_next_nodes (vm, n4->index, L2OUTPUT_N_FEAT, + l2output_get_feat_names (), + am->fa_acl_out_ip4_l2_node_feat_next_node_index); + + feat_bitmap_init_next_nodes (vm, n6->index, L2OUTPUT_N_FEAT, + l2output_get_feat_names (), + am->fa_acl_out_ip6_l2_node_feat_next_node_index); +} + +static void +acl_set_timeout_sec(int timeout_type, u32 value) +{ + acl_main_t *am = &acl_main; + clib_time_t *ct = &am->vlib_main->clib_time; + + if (timeout_type < ACL_N_TIMEOUTS) { + am->session_timeout_sec[timeout_type] = value; + } else { + clib_warning("Unknown timeout type %d", timeout_type); + return; + } + am->session_timeout[timeout_type] = (u64)(((f64)value)/ct->seconds_per_clock); +} + +static void +acl_set_session_max_entries(u32 value) +{ + acl_main_t *am = &acl_main; + am->fa_conn_table_max_entries = value; +} + +static int +acl_set_skip_ipv6_eh(u32 eh, u32 value) +{ + acl_main_t *am = &acl_main; + + if ((eh < 256) && (value < 2)) + { + am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, eh, value); + return 1; + } + else + return 0; +} + + +static clib_error_t * +acl_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add) +{ + acl_main_t *am = &acl_main; + if (0 == am->acl_mheap) { + /* ACL heap is not initialized, so definitely nothing to do. */ + return 0; + } + if (0 == is_add) { + vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index, + ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, sw_if_index); + /* also unapply any ACLs in case the users did not do so. */ + macip_acl_interface_del_acl(am, sw_if_index); + acl_interface_reset_inout_acls (sw_if_index, 0); + acl_interface_reset_inout_acls (sw_if_index, 1); + } + return 0; +} + +VNET_SW_INTERFACE_ADD_DEL_FUNCTION (acl_sw_interface_add_del); + + + +static clib_error_t * +acl_set_aclplugin_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + clib_error_t *error = 0; + u32 timeout = 0; + u32 val = 0; + u32 eh_val = 0; + uword memory_size = 0; + acl_main_t *am = &acl_main; + + if (unformat (input, "skip-ipv6-extension-header %u %u", &eh_val, &val)) { + if(!acl_set_skip_ipv6_eh(eh_val, val)) { + error = clib_error_return(0, "expecting eh=0..255, value=0..1"); + } + goto done; + } + if (unformat (input, "use-hash-acl-matching %u", &val)) + { + am->use_hash_acl_matching = (val !=0); + goto done; + } + if (unformat (input, "l4-match-nonfirst-fragment %u", &val)) + { + am->l4_match_nonfirst_fragment = (val != 0); + goto done; + } + if (unformat (input, "heap")) + { + if (unformat(input, "main")) + { + if (unformat(input, "validate %u", &val)) + acl_plugin_acl_set_validate_heap(am, val); + else if (unformat(input, "trace %u", &val)) + acl_plugin_acl_set_trace_heap(am, val); + goto done; + } + else if (unformat(input, "hash")) + { + if (unformat(input, "validate %u", &val)) + acl_plugin_hash_acl_set_validate_heap(am, val); + else if (unformat(input, "trace %u", &val)) + acl_plugin_hash_acl_set_trace_heap(am, val); + goto done; + } + goto done; + } + if (unformat (input, "session")) { + if (unformat (input, "table")) { + /* The commands here are for tuning/testing. No user-serviceable parts inside */ + if (unformat (input, "max-entries")) { + if (!unformat(input, "%u", &val)) { + error = clib_error_return(0, + "expecting maximum number of entries, got `%U`", + format_unformat_error, input); + goto done; + } else { + acl_set_session_max_entries(val); + goto done; + } + } + if (unformat (input, "hash-table-buckets")) { + if (!unformat(input, "%u", &val)) { + error = clib_error_return(0, + "expecting maximum number of hash table buckets, got `%U`", + format_unformat_error, input); + goto done; + } else { + am->fa_conn_table_hash_num_buckets = val; + goto done; + } + } + if (unformat (input, "hash-table-memory")) { + if (!unformat(input, "%U", unformat_memory_size, &memory_size)) { + error = clib_error_return(0, + "expecting maximum amount of hash table memory, got `%U`", + format_unformat_error, input); + goto done; + } else { + am->fa_conn_table_hash_memory_size = memory_size; + goto done; + } + } + goto done; + } + if (unformat (input, "timeout")) { + if (unformat(input, "udp")) { + if(unformat(input, "idle")) { + if (!unformat(input, "%u", &timeout)) { + error = clib_error_return(0, + "expecting timeout value in seconds, got `%U`", + format_unformat_error, input); + goto done; + } else { + acl_set_timeout_sec(ACL_TIMEOUT_UDP_IDLE, timeout); + goto done; + } + } + } + if (unformat(input, "tcp")) { + if(unformat(input, "idle")) { + if (!unformat(input, "%u", &timeout)) { + error = clib_error_return(0, + "expecting timeout value in seconds, got `%U`", + format_unformat_error, input); + goto done; + } else { + acl_set_timeout_sec(ACL_TIMEOUT_TCP_IDLE, timeout); + goto done; + } + } + if(unformat(input, "transient")) { + if (!unformat(input, "%u", &timeout)) { + error = clib_error_return(0, + "expecting timeout value in seconds, got `%U`", + format_unformat_error, input); + goto done; + } else { + acl_set_timeout_sec(ACL_TIMEOUT_TCP_TRANSIENT, timeout); + goto done; + } + } + } + goto done; + } + } +done: + return error; +} + +static u8 * +my_format_mac_address (u8 * s, va_list * args) +{ + u8 *a = va_arg (*args, u8 *); + return format (s, "%02x:%02x:%02x:%02x:%02x:%02x", + a[0], a[1], a[2], a[3], a[4], a[5]); +} + +static inline u8 * +my_macip_acl_rule_t_pretty_format (u8 *out, va_list *args) +{ + macip_acl_rule_t *a = va_arg (*args, macip_acl_rule_t *); + + out = format(out, "%s action %d ip %U/%d mac %U mask %U", + a->is_ipv6 ? "ipv6" : "ipv4", a->is_permit, + format_ip46_address, &a->src_ip_addr, IP46_TYPE_ANY, + a->src_prefixlen, + my_format_mac_address, a->src_mac, + my_format_mac_address, a->src_mac_mask); + return(out); +} + +static void +macip_acl_print(acl_main_t *am, u32 macip_acl_index) +{ + vlib_main_t * vm = am->vlib_main; + int i; + + /* Don't try to print someone else's memory */ + if (macip_acl_index > vec_len(am->macip_acls)) + return; + + macip_acl_list_t *a = vec_elt_at_index(am->macip_acls, macip_acl_index); + int free_pool_slot = pool_is_free_index(am->macip_acls, macip_acl_index); + + vlib_cli_output(vm, "MACIP acl_index: %d, count: %d (true len %d) tag {%s} is free pool slot: %d\n", + macip_acl_index, a->count, vec_len(a->rules), a->tag, free_pool_slot); + vlib_cli_output(vm, " ip4_table_index %d, ip6_table_index %d, l2_table_index %d\n", + a->ip4_table_index, a->ip6_table_index, a->l2_table_index); + for(i=0; i<vec_len(a->rules); i++) + vlib_cli_output(vm, " rule %d: %U\n", i, my_macip_acl_rule_t_pretty_format, + vec_elt_at_index(a->rules, i)); + +} + +static clib_error_t * +acl_show_aclplugin_macip_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + clib_error_t *error = 0; + acl_main_t *am = &acl_main; + int i; + if (unformat (input, "interface")) + { + for(i=0; i < vec_len(am->macip_acl_by_sw_if_index); i++) + { + vlib_cli_output(vm, " sw_if_index %d: %d\n", i, vec_elt(am->macip_acl_by_sw_if_index, i)); + } + } + else if (unformat (input, "acl")) + { + for(i=0; i < vec_len(am->macip_acls); i++) + macip_acl_print(am, i); + } + return error; +} + + +static clib_error_t * +acl_show_aclplugin_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + clib_error_t *error = 0; + acl_main_t *am = &acl_main; + vnet_interface_main_t *im = &am->vnet_main->interface_main; + u32 *pj; + + vnet_sw_interface_t *swif; + + if (unformat (input, "sessions")) + { + u8 * out0 = format(0, ""); + u16 wk; + u32 show_bihash_verbose = 0; + u32 show_session_thread_id = ~0; + u32 show_session_session_index = ~0; + unformat (input, "thread %u index %u", &show_session_thread_id, &show_session_session_index); + unformat (input, "verbose %u", &show_bihash_verbose); + { + u64 n_adds = am->fa_session_total_adds; + u64 n_dels = am->fa_session_total_dels; + out0 = format(out0, "Sessions total: add %lu - del %lu = %lu\n", n_adds, n_dels, n_adds - n_dels); + } + out0 = format(out0, "\n\nPer-thread data:\n"); + for (wk = 0; wk < vec_len (am->per_worker_data); wk++) { + acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk]; + out0 = format(out0, "Thread #%d:\n", wk); + if (show_session_thread_id == wk && show_session_session_index < pool_len(pw->fa_sessions_pool)) { + out0 = format(out0, " session index %u:\n", show_session_session_index); + fa_session_t *sess = pw->fa_sessions_pool + show_session_session_index; + u64 *m = (u64 *)&sess->info; + out0 = format(out0, " info: %016llx %016llx %016llx %016llx %016llx %016llx\n", m[0], m[1], m[2], m[3], m[4], m[5]); + out0 = format(out0, " sw_if_index: %u\n", sess->sw_if_index); + out0 = format(out0, " tcp_flags_seen: %x\n", sess->tcp_flags_seen.as_u16); + out0 = format(out0, " last active time: %lu\n", sess->last_active_time); + out0 = format(out0, " thread index: %u\n", sess->thread_index); + out0 = format(out0, " link enqueue time: %lu\n", sess->link_enqueue_time); + out0 = format(out0, " link next index: %u\n", sess->link_next_idx); + out0 = format(out0, " link prev index: %u\n", sess->link_prev_idx); + out0 = format(out0, " link list id: %u\n", sess->link_list_id); + } + out0 = format(out0, " connection add/del stats:\n", wk); + pool_foreach (swif, im->sw_interfaces, + ({ + u32 sw_if_index = swif->sw_if_index; + u64 n_adds = sw_if_index < vec_len(pw->fa_session_adds_by_sw_if_index) ? pw->fa_session_adds_by_sw_if_index[sw_if_index] : 0; + u64 n_dels = sw_if_index < vec_len(pw->fa_session_dels_by_sw_if_index) ? pw->fa_session_dels_by_sw_if_index[sw_if_index] : 0; + out0 = format(out0, " sw_if_index %d: add %lu - del %lu = %lu\n", sw_if_index, n_adds, n_dels, n_adds - n_dels); + })); + + out0 = format(out0, " connection timeout type lists:\n", wk); + u8 tt = 0; + for(tt = 0; tt < ACL_N_TIMEOUTS; tt++) { + u32 head_session_index = pw->fa_conn_list_head[tt]; + out0 = format(out0, " fa_conn_list_head[%d]: %d\n", tt, head_session_index); + if (~0 != head_session_index) { + fa_session_t *sess = pw->fa_sessions_pool + head_session_index; + out0 = format(out0, " last active time: %lu\n", sess->last_active_time); + out0 = format(out0, " link enqueue time: %lu\n", sess->link_enqueue_time); + } + } + + out0 = format(out0, " Next expiry time: %lu\n", pw->next_expiry_time); + out0 = format(out0, " Requeue until time: %lu\n", pw->requeue_until_time); + out0 = format(out0, " Current time wait interval: %lu\n", pw->current_time_wait_interval); + out0 = format(out0, " Count of deleted sessions: %lu\n", pw->cnt_deleted_sessions); + out0 = format(out0, " Delete already deleted: %lu\n", pw->cnt_already_deleted_sessions); + out0 = format(out0, " Session timers restarted: %lu\n", pw->cnt_session_timer_restarted); + out0 = format(out0, " Swipe until this time: %lu\n", pw->swipe_end_time); + out0 = format(out0, " sw_if_index serviced bitmap: %U\n", format_bitmap_hex, pw->serviced_sw_if_index_bitmap); + out0 = format(out0, " pending clear intfc bitmap : %U\n", format_bitmap_hex, pw->pending_clear_sw_if_index_bitmap); + out0 = format(out0, " clear in progress: %u\n", pw->clear_in_process); + out0 = format(out0, " interrupt is pending: %d\n", pw->interrupt_is_pending); + out0 = format(out0, " interrupt is needed: %d\n", pw->interrupt_is_needed); + out0 = format(out0, " interrupt is unwanted: %d\n", pw->interrupt_is_unwanted); + out0 = format(out0, " interrupt generation: %d\n", pw->interrupt_generation); + } + out0 = format(out0, "\n\nConn cleaner thread counters:\n"); +#define _(cnt, desc) out0 = format(out0, " %20lu: %s\n", am->cnt, desc); + foreach_fa_cleaner_counter; +#undef _ + vec_terminate_c_string(out0); + vlib_cli_output(vm, "\n\n%s\n\n", out0); + vlib_cli_output(vm, "Interrupt generation: %d\n", am->fa_interrupt_generation); + vlib_cli_output(vm, "Sessions per interval: min %lu max %lu increment: %f ms current: %f ms", + am->fa_min_deleted_sessions_per_interval, am->fa_max_deleted_sessions_per_interval, + am->fa_cleaner_wait_time_increment * 1000.0, ((f64)am->fa_current_cleaner_timer_wait_interval) * 1000.0/(f64)vm->clib_time.clocks_per_second); + + vec_free(out0); + show_fa_sessions_hash(vm, show_bihash_verbose); + } + else if (unformat (input, "interface")) + { + u32 sw_if_index = ~0; + u32 swi; + u8 * out0 = format(0, ""); + unformat (input, "sw_if_index %u", &sw_if_index); + for(swi = 0; (swi < vec_len(am->input_acl_vec_by_sw_if_index)) || + (swi < vec_len(am->output_acl_vec_by_sw_if_index)); swi++) { + out0 = format(out0, "sw_if_index %d:\n", swi); + + if ((swi < vec_len(am->input_acl_vec_by_sw_if_index)) && + (vec_len(am->input_acl_vec_by_sw_if_index[swi]) > 0)) { + out0 = format(out0, " input acl(s): "); + vec_foreach(pj, am->input_acl_vec_by_sw_if_index[swi]) { + out0 = format(out0, "%d ", *pj); + } + out0 = format(out0, "\n"); + } + + if ((swi < vec_len(am->output_acl_vec_by_sw_if_index)) && + (vec_len(am->output_acl_vec_by_sw_if_index[swi]) > 0)) { + out0 = format(out0, " output acl(s): "); + vec_foreach(pj, am->output_acl_vec_by_sw_if_index[swi]) { + out0 = format(out0, "%d ", *pj); + } + out0 = format(out0, "\n"); + } + + } + vec_terminate_c_string(out0); + vlib_cli_output(vm, "\n%s\n", out0); + vec_free(out0); + } + else if (unformat (input, "acl")) + { + u32 acl_index = ~0; + u32 i; + u8 * out0 = format(0, ""); + unformat (input, "index %u", &acl_index); + for(i=0; i<vec_len(am->acls); i++) { + if (acl_is_not_defined(am, i)) { + /* don't attempt to show the ACLs that do not exist */ + continue; + } + if ((acl_index != ~0) && (acl_index != i)) { + continue; + } + out0 = format(out0, "acl-index %u count %u tag {%s}\n", i, am->acls[i].count, am->acls[i].tag); + acl_rule_t *r; + int j; + for(j=0; j<am->acls[i].count; j++) { + r = &am->acls[i].rules[j]; + out0 = format(out0, " %4d: %s ", j, r->is_ipv6 ? "ipv6" : "ipv4"); + out0 = format_acl_action(out0, r->is_permit); + out0 = format(out0, " src %U/%d", format_ip46_address, &r->src, IP46_TYPE_ANY, r->src_prefixlen); + out0 = format(out0, " dst %U/%d", format_ip46_address, &r->dst, IP46_TYPE_ANY, r->dst_prefixlen); + out0 = format(out0, " proto %d", r->proto); + out0 = format(out0, " sport %d", r->src_port_or_type_first); + if (r->src_port_or_type_first != r->src_port_or_type_last) { + out0 = format(out0, "-%d", r->src_port_or_type_last); + } + out0 = format(out0, " dport %d", r->dst_port_or_code_first); + if (r->dst_port_or_code_first != r->dst_port_or_code_last) { + out0 = format(out0, "-%d", r->dst_port_or_code_last); + } + if (r->tcp_flags_mask || r->tcp_flags_value) { + out0 = format(out0, " tcpflags %d mask %d", r->tcp_flags_value, r->tcp_flags_mask); + } + out0 = format(out0, "\n"); + } + + if (i<vec_len(am->input_sw_if_index_vec_by_acl)) { + out0 = format(out0, " applied inbound on sw_if_index: "); + vec_foreach(pj, am->input_sw_if_index_vec_by_acl[i]) { + out0 = format(out0, "%d ", *pj); + } + out0 = format(out0, "\n"); + } + if (i<vec_len(am->output_sw_if_index_vec_by_acl)) { + out0 = format(out0, " applied outbound on sw_if_index: "); + vec_foreach(pj, am->output_sw_if_index_vec_by_acl[i]) { + out0 = format(out0, "%d ", *pj); + } + out0 = format(out0, "\n"); + } + } + vec_terminate_c_string(out0); + vlib_cli_output(vm, "\n%s\n", out0); + vec_free(out0); + } + else if (unformat (input, "memory")) + { + vlib_cli_output (vm, "ACL plugin main heap statistics:\n"); + if (am->acl_mheap) { + vlib_cli_output (vm, " %U\n", format_mheap, am->acl_mheap, 1); + } else { + vlib_cli_output (vm, " Not initialized\n"); + } + vlib_cli_output (vm, "ACL hash lookup support heap statistics:\n"); + if (am->hash_lookup_mheap) { + vlib_cli_output (vm, " %U\n", format_mheap, am->hash_lookup_mheap, 1); + } else { + vlib_cli_output (vm, " Not initialized\n"); + } + } + else if (unformat (input, "tables")) + { + ace_mask_type_entry_t *mte; + u32 acl_index = ~0; + u32 sw_if_index = ~0; + int show_acl_hash_info = 0; + int show_applied_info = 0; + int show_mask_type = 0; + int show_bihash = 0; + u32 show_bihash_verbose = 0; + + if (unformat (input, "acl")) { + show_acl_hash_info = 1; + /* mask-type is handy to see as well right there */ + show_mask_type = 1; + unformat (input, "index %u", &acl_index); + } else if (unformat (input, "applied")) { + show_applied_info = 1; + unformat (input, "sw_if_index %u", &sw_if_index); + } else if (unformat (input, "mask")) { + show_mask_type = 1; + } else if (unformat (input, "hash")) { + show_bihash = 1; + unformat (input, "verbose %u", &show_bihash_verbose); + } + + if ( ! (show_mask_type || show_acl_hash_info || show_applied_info || show_bihash) ) { + /* if no qualifiers specified, show all */ + show_mask_type = 1; + show_acl_hash_info = 1; + show_applied_info = 1; + show_bihash = 1; + } + + if (show_mask_type) { + vlib_cli_output(vm, "Mask-type entries:"); + /* *INDENT-OFF* */ + pool_foreach(mte, am->ace_mask_type_pool, + ({ + vlib_cli_output(vm, " %3d: %016llx %016llx %016llx %016llx %016llx %016llx refcount %d", + mte - am->ace_mask_type_pool, + mte->mask.kv.key[0], mte->mask.kv.key[1], mte->mask.kv.key[2], + mte->mask.kv.key[3], mte->mask.kv.key[4], mte->mask.kv.value, mte->refcount); + })); + /* *INDENT-ON* */ + } + + if (show_acl_hash_info) { + u32 i,j; + u8 * out0 = format(0, ""); + u64 *m; + out0 = format(out0, "Mask-ready ACL representations\n"); + for (i=0; i< vec_len(am->hash_acl_infos); i++) { + if ((acl_index != ~0) && (acl_index != i)) { + continue; + } + hash_acl_info_t *ha = &am->hash_acl_infos[i]; + out0 = format(out0, "acl-index %u bitmask-ready layout\n", i); + out0 = format(out0, " applied inbound on sw_if_index list: %U\n", format_vec32, ha->inbound_sw_if_index_list, "%d"); + out0 = format(out0, " applied outbound on sw_if_index list: %U\n", format_vec32, ha->outbound_sw_if_index_list, "%d"); + out0 = format(out0, " mask type index bitmap: %U\n", format_bitmap_hex, ha->mask_type_index_bitmap); + for(j=0; j<vec_len(ha->rules); j++) { + hash_ace_info_t *pa = &ha->rules[j]; + m = (u64 *)&pa->match; + out0 = format(out0, " %4d: %016llx %016llx %016llx %016llx %016llx %016llx mask index %d acl %d rule %d action %d src/dst portrange not ^2: %d,%d\n", + j, m[0], m[1], m[2], m[3], m[4], m[5], pa->mask_type_index, + pa->acl_index, pa->ace_index, pa->action, + pa->src_portrange_not_powerof2, pa->dst_portrange_not_powerof2); + } + } + vec_terminate_c_string(out0); + vlib_cli_output(vm, "\n%s\n", out0); + vec_free(out0); + } + + if (show_applied_info) { + u32 swi, j; + u8 * out0 = format(0, ""); + out0 = format(out0, "Applied lookup entries for interfaces\n"); + + for(swi = 0; (swi < vec_len(am->input_applied_hash_acl_info_by_sw_if_index)) || + (swi < vec_len(am->output_applied_hash_acl_info_by_sw_if_index)) || + (swi < vec_len(am->input_hash_entry_vec_by_sw_if_index)) || + (swi < vec_len(am->output_hash_entry_vec_by_sw_if_index)); swi++) { + if ((sw_if_index != ~0) && (sw_if_index != swi)) { + continue; + } + out0 = format(out0, "sw_if_index %d:\n", swi); + if (swi < vec_len(am->input_applied_hash_acl_info_by_sw_if_index)) { + applied_hash_acl_info_t *pal = &am->input_applied_hash_acl_info_by_sw_if_index[swi]; + out0 = format(out0, " input lookup mask_type_index_bitmap: %U\n", format_bitmap_hex, pal->mask_type_index_bitmap); + out0 = format(out0, " input applied acls: %U\n", format_vec32, pal->applied_acls, "%d"); + } + if (swi < vec_len(am->input_hash_entry_vec_by_sw_if_index)) { + out0 = format(out0, " input lookup applied entries:\n"); + for(j=0; j<vec_len(am->input_hash_entry_vec_by_sw_if_index[swi]); j++) { + applied_hash_ace_entry_t *pae = &am->input_hash_entry_vec_by_sw_if_index[swi][j]; + out0 = format(out0, " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d tail %d hitcount %lld\n", + j, pae->acl_index, pae->ace_index, pae->action, pae->hash_ace_info_index, + pae->next_applied_entry_index, pae->prev_applied_entry_index, pae->tail_applied_entry_index, pae->hitcount); + } + } + + if (swi < vec_len(am->output_applied_hash_acl_info_by_sw_if_index)) { + applied_hash_acl_info_t *pal = &am->output_applied_hash_acl_info_by_sw_if_index[swi]; + out0 = format(out0, " output lookup mask_type_index_bitmap: %U\n", format_bitmap_hex, pal->mask_type_index_bitmap); + out0 = format(out0, " output applied acls: %U\n", format_vec32, pal->applied_acls, "%d"); + } + if (swi < vec_len(am->output_hash_entry_vec_by_sw_if_index)) { + out0 = format(out0, " output lookup applied entries:\n"); + for(j=0; j<vec_len(am->output_hash_entry_vec_by_sw_if_index[swi]); j++) { + applied_hash_ace_entry_t *pae = &am->output_hash_entry_vec_by_sw_if_index[swi][j]; + out0 = format(out0, " %4d: acl %d rule %d action %d bitmask-ready rule %d next %d prev %d tail %d hitcount %lld\n", + j, pae->acl_index, pae->ace_index, pae->action, pae->hash_ace_info_index, + pae->next_applied_entry_index, pae->prev_applied_entry_index, pae->tail_applied_entry_index, pae->hitcount); + } + } + + } + vec_terminate_c_string(out0); + vlib_cli_output(vm, "\n%s\n", out0); + vec_free(out0); + } + + if (show_bihash) { + show_hash_acl_hash(vm, am, show_bihash_verbose); + } + } + return error; +} + +static clib_error_t * +acl_clear_aclplugin_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + clib_error_t *error = 0; + acl_main_t *am = &acl_main; + vlib_process_signal_event (am->vlib_main, am->fa_cleaner_node_index, + ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX, ~0); + return error; +} + + /* *INDENT-OFF* */ +VLIB_CLI_COMMAND (aclplugin_set_command, static) = { + .path = "set acl-plugin", + .short_help = "set acl-plugin session timeout {{udp idle}|tcp {idle|transient}} <seconds>", + .function = acl_set_aclplugin_fn, +}; + +VLIB_CLI_COMMAND (aclplugin_show_command, static) = { + .path = "show acl-plugin", + .short_help = "show acl-plugin {sessions|acl|interface|tables}", + .function = acl_show_aclplugin_fn, +}; + +VLIB_CLI_COMMAND (aclplugin_show_macip_command, static) = { + .path = "show acl-plugin macip", + .short_help = "show acl-plugin macip {acl|interface}", + .function = acl_show_aclplugin_macip_fn, +}; + + +VLIB_CLI_COMMAND (aclplugin_clear_command, static) = { + .path = "clear acl-plugin sessions", + .short_help = "clear acl-plugin sessions", + .function = acl_clear_aclplugin_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +acl_plugin_config (vlib_main_t * vm, unformat_input_t * input) +{ + acl_main_t *am = &acl_main; + u32 conn_table_hash_buckets; + u32 conn_table_hash_memory_size; + u32 conn_table_max_entries; + u32 main_heap_size; + u32 hash_heap_size; + u32 hash_lookup_hash_buckets; + u32 hash_lookup_hash_memory; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "connection hash buckets %d", &conn_table_hash_buckets)) + am->fa_conn_table_hash_num_buckets = conn_table_hash_buckets; + else if (unformat (input, "connection hash memory %d", + &conn_table_hash_memory_size)) + am->fa_conn_table_hash_memory_size = conn_table_hash_memory_size; + else if (unformat (input, "connection count max %d", + &conn_table_max_entries)) + am->fa_conn_table_max_entries = conn_table_max_entries; + else if (unformat (input, "main heap size %d", + &main_heap_size)) + am->acl_mheap_size = main_heap_size; + else if (unformat (input, "hash lookup heap size %d", + &hash_heap_size)) + am->hash_lookup_mheap_size = hash_heap_size; + else if (unformat (input, "hash lookup hash buckets %d", + &hash_lookup_hash_buckets)) + am->hash_lookup_hash_buckets = hash_lookup_hash_buckets; + else if (unformat (input, "hash lookup hash memory %d", + &hash_lookup_hash_memory)) + am->hash_lookup_hash_memory = hash_lookup_hash_memory; + else + return clib_error_return (0, "unknown input '%U'", + format_unformat_error, input); + } + return 0; +} +VLIB_CONFIG_FUNCTION (acl_plugin_config, "acl-plugin"); + +static clib_error_t * +acl_init (vlib_main_t * vm) +{ + acl_main_t *am = &acl_main; + clib_error_t *error = 0; + memset (am, 0, sizeof (*am)); + am->vlib_main = vm; + am->vnet_main = vnet_get_main (); + + u8 *name = format (0, "acl_%08x%c", api_version, 0); + + /* Ask for a correctly-sized block of API message decode slots */ + am->msg_id_base = vl_msg_api_get_msg_ids ((char *) name, + VL_MSG_FIRST_AVAILABLE); + + error = acl_plugin_api_hookup (vm); + + /* Add our API messages to the global name_crc hash table */ + setup_message_id_table (am, &api_main); + + vec_free (name); + + acl_setup_fa_nodes(); + + am->acl_mheap_size = ACL_FA_DEFAULT_HEAP_SIZE; + am->hash_lookup_mheap_size = ACL_PLUGIN_HASH_LOOKUP_HEAP_SIZE; + + am->hash_lookup_hash_buckets = ACL_PLUGIN_HASH_LOOKUP_HASH_BUCKETS; + am->hash_lookup_hash_memory = ACL_PLUGIN_HASH_LOOKUP_HASH_MEMORY; + + am->session_timeout_sec[ACL_TIMEOUT_TCP_TRANSIENT] = TCP_SESSION_TRANSIENT_TIMEOUT_SEC; + am->session_timeout_sec[ACL_TIMEOUT_TCP_IDLE] = TCP_SESSION_IDLE_TIMEOUT_SEC; + am->session_timeout_sec[ACL_TIMEOUT_UDP_IDLE] = UDP_SESSION_IDLE_TIMEOUT_SEC; + + am->fa_conn_table_hash_num_buckets = ACL_FA_CONN_TABLE_DEFAULT_HASH_NUM_BUCKETS; + am->fa_conn_table_hash_memory_size = ACL_FA_CONN_TABLE_DEFAULT_HASH_MEMORY_SIZE; + am->fa_conn_table_max_entries = ACL_FA_CONN_TABLE_DEFAULT_MAX_ENTRIES; + vlib_thread_main_t *tm = vlib_get_thread_main (); + vec_validate(am->per_worker_data, tm->n_vlib_mains-1); + { + u16 wk; + u8 tt; + for (wk = 0; wk < vec_len (am->per_worker_data); wk++) { + acl_fa_per_worker_data_t *pw = &am->per_worker_data[wk]; + vec_validate(pw->fa_conn_list_head, ACL_N_TIMEOUTS-1); + vec_validate(pw->fa_conn_list_tail, ACL_N_TIMEOUTS-1); + for(tt = 0; tt < ACL_N_TIMEOUTS; tt++) { + pw->fa_conn_list_head[tt] = ~0; + pw->fa_conn_list_tail[tt] = ~0; + } + } + } + + am->fa_min_deleted_sessions_per_interval = ACL_FA_DEFAULT_MIN_DELETED_SESSIONS_PER_INTERVAL; + am->fa_max_deleted_sessions_per_interval = ACL_FA_DEFAULT_MAX_DELETED_SESSIONS_PER_INTERVAL; + am->fa_cleaner_wait_time_increment = ACL_FA_DEFAULT_CLEANER_WAIT_TIME_INCREMENT; + + am->fa_cleaner_cnt_delete_by_sw_index = 0; + am->fa_cleaner_cnt_delete_by_sw_index_ok = 0; + am->fa_cleaner_cnt_unknown_event = 0; + am->fa_cleaner_cnt_timer_restarted = 0; + am->fa_cleaner_cnt_wait_with_timeout = 0; + + +#define _(N, v, s) am->fa_ipv6_known_eh_bitmap = clib_bitmap_set(am->fa_ipv6_known_eh_bitmap, v, 1); + foreach_acl_eh +#undef _ + + am->l4_match_nonfirst_fragment = 1; + + /* use the new fancy hash-based matching */ + am->use_hash_acl_matching = 1; + + return error; +} + +VLIB_INIT_FUNCTION (acl_init); |