/* * Copyright (c) 2018 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_inlines_h #define included_acl_inlines_h #include #include #include "acl.h" #include "fa_node.h" #include "hash_lookup_private.h" #include "exported_types.h" #define LOAD_SYMBOL_FROM_PLUGIN_TO(p, s, st) \ ({ \ st = vlib_get_plugin_symbol(p, #s); \ if (!st) \ return clib_error_return(0, \ "Plugin %s and/or symbol %s not found.", p, #s); \ }) #define LOAD_SYMBOL(s) LOAD_SYMBOL_FROM_PLUGIN_TO("acl_plugin.so", s, s) static inline clib_error_t * acl_plugin_exports_init (acl_plugin_methods_t *m) { acl_plugin_methods_vtable_init_fn_t mvi; LOAD_SYMBOL_FROM_PLUGIN_TO("acl_plugin.so", acl_plugin_methods_vtable_init, mvi); return (mvi(m)); } always_inline void * get_ptr_to_offset (vlib_buffer_t * b0, int offset) { u8 *p = vlib_buffer_get_current (b0) + offset; return p; } always_inline int offset_within_packet (vlib_buffer_t * b0, int offset) { /* For the purposes of this code, "within" means we have at least 8 bytes after it */ return (offset <= (b0->current_length - 8)); } always_inline int offset_beyond_packet (vlib_buffer_t * b0, int offset) { /* For the purposes of this code, "within" means we have at least 8 bytes after it */ return (offset > (b0->current_length - 8)); } always_inline void acl_fill_5tuple_l3_data (acl_main_t * am, vlib_buffer_t * b0, int is_ip6, int l3_offset, fa_5tuple_t * p5tuple_pkt) { if (is_ip6) { ip6_header_t *ip6 = vlib_buffer_get_current (b0) + l3_offset; p5tuple_pkt->ip6_addr[0] = ip6->src_address; p5tuple_pkt->ip6_addr[1] = ip6->dst_address; } else { int ii; for(ii=0; ii<6; ii++) { p5tuple_pkt->l3_zero_pad[ii] = 0; } ip4_header_t *ip4 = vlib_buffer_get_current (b0) + l3_offset; p5tuple_pkt->ip4_addr[0] = ip4->src_address; p5tuple_pkt->ip4_addr[1] = ip4->dst_address; } } always_inline void acl_fill_5tuple_l4_and_pkt_data (acl_main_t * am, u32 sw_if_index0, vlib_buffer_t * b0, int is_ip6, int is_input, int l3_offset, fa_session_l4_key_t *p5tuple_l4, fa_packet_info_t *p5tuple_pkt) { /* IP4 and IP6 protocol numbers of ICMP */ static u8 icmp_protos_v4v6[] = { IP_PROTOCOL_ICMP, IP_PROTOCOL_ICMP6 }; int l4_offset; u16 ports[2] = { 0 }; u8 proto; u8 tmp_l4_flags = 0; fa_packet_info_t tmp_pkt = { .is_ip6 = is_ip6, .mask_type_index_lsb = ~0 }; if (is_ip6) { ip6_header_t *ip6 = vlib_buffer_get_current (b0) + l3_offset; proto = ip6->protocol; l4_offset = l3_offset + sizeof (ip6_header_t); /* IP6 EH handling is here, increment l4_offset if needs to, update the proto */ int need_skip_eh = clib_bitmap_get (am->fa_ipv6_known_eh_bitmap, proto); if (PREDICT_FALSE (need_skip_eh)) { while (need_skip_eh && offset_within_packet (b0, l4_offset)) { /* Fragment header needs special handling */ if (PREDICT_FALSE(ACL_EH_FRAGMENT == proto)) { proto = *(u8 *) get_ptr_to_offset (b0, l4_offset); u16 frag_offset = *(u16 *) get_ptr_to_offset (b0, 2 + l4_offset); frag_offset = clib_net_to_host_u16(frag_offset) >> 3; if (frag_offset) { tmp_pkt.is_nonfirst_fragment = 1; /* invalidate L4 offset so we don't try to find L4 info */ l4_offset += b0->current_length; } else { /* First fragment: skip the frag header and move on. */ l4_offset += 8; } } else { u8 nwords = *(u8 *) get_ptr_to_offset (b0, 1 + l4_offset); proto = *(u8 *) get_ptr_to_offset (b0, l4_offset); l4_offset += 8 * (1 + (u16) nwords); } need_skip_eh = clib_bitmap_get (am->fa_ipv6_known_eh_bitmap, proto); } } } else { ip4_header_t *ip4 = vlib_buffer_get_current (b0) + l3_offset; proto = ip4->protocol; l4_offset = l3_offset + ip4_header_bytes(ip4); /* non-initial fragments have non-zero offset */ if (PREDICT_FALSE(ip4_get_fragment_offset(ip4))) { tmp_pkt.is_nonfirst_fragment = 1; /* invalidate L4 offset so we don't try to find L4 info */ l4_offset += b0->current_length; } } tmp_l4_flags |= is_input ? FA_SK_L4_FLAG_IS_INPUT : 0; if (PREDICT_TRUE (offset_within_packet (b0, l4_offset))) { tcp_header_t *tcph = vlib_buffer_get_current (b0) + l4_offset; udp_header_t *udph = vlib_buffer_get_current (b0) + l4_offset; tmp_pkt.l4_valid = 1; if (PREDICT_FALSE(icmp_protos_v4v6[is_ip6] == proto)) { icmp46_header_t *icmph = vlib_buffer_get_current (b0) + l4_offset; ports[0] = icmph->type; ports[1] = icmph->code; /* ICMP needs special handling */ tmp_l4_flags |= FA_SK_L4_FLAG_IS_SLOWPATH; } else if (IP_PROTOCOL_TCP == proto) { ports[0] = clib_net_to_host_u16(tcph->src_port); ports[1] = clib_net_to_host_u16(tcph->dst_port); tmp_pkt.tcp_flags = tcph->flags; tmp_pkt.tcp_flags_valid = 1; } else if (IP_PROTOCOL_UDP == proto) { ports[0] = clib_net_to_host_u16(udph->src_port); ports[1] = clib_net_to_host_u16(udph->dst_port); } else { tmp_l4_flags |= FA_SK_L4_FLAG_IS_SLOWPATH; } } p5tuple_pkt->as_u64 = tmp_pkt.as_u64; fa_session_l4_key_t tmp_l4 = { .port = { ports[0], ports[1] }, .proto = proto, .l4_flags = tmp_l4_flags, .lsb_of_sw_if_index = sw_if_index0 & 0xffff }; p5tuple_l4->as_u64 = tmp_l4.as_u64; } always_inline void acl_fill_5tuple (acl_main_t * am, u32 sw_if_index0, vlib_buffer_t * b0, int is_ip6, int is_input, int is_l2_path, fa_5tuple_t * p5tuple_pkt) { int l3_offset; if (is_l2_path) { l3_offset = ethernet_buffer_header_size(b0); } else { if (is_input) l3_offset = 0; else l3_offset = vnet_buffer(b0)->ip.save_rewrite_length; } /* key[0..3] contains src/dst address and is cleared/set below */ /* Remainder of the key and per-packet non-key data */ acl_fill_5tuple_l3_data(am, b0, is_ip6, l3_offset, p5tuple_pkt); acl_fill_5tuple_l4_and_pkt_data(am, sw_if_index0, b0, is_ip6, is_input, l3_offset, &p5tuple_pkt->l4, &p5tuple_pkt->pkt); } always_inline void acl_plugin_fill_5tuple_inline (void *p_acl_main, u32 lc_index, vlib_buffer_t * b0, int is_ip6, int is_input, int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt) { acl_main_t *am = p_acl_main; acl_fill_5tuple(am, 0, b0, is_ip6, is_input, is_l2_path, (fa_5tuple_t *)p5tuple_pkt); } always_inline int fa_acl_match_ip4_addr (ip4_address_t * addr1, ip4_address_t * addr2, int prefixlen) { if (prefixlen == 0) { /* match any always succeeds */ return 1; } uint32_t a1 = clib_net_to_host_u32 (addr1->as_u32); uint32_t a2 = clib_net_to_host_u32 (addr2->as_u32); uint32_t mask0 = 0xffffffff - ((1 << (32 - prefixlen)) - 1); return (a1 & mask0) == a2; } always_inline int fa_acl_match_ip6_addr (ip6_address_t * addr1, ip6_address_t * addr2, int prefixlen) { if (prefixlen == 0) { /* match any always succeeds */ return 1; } if (memcmp (addr1, addr2, prefixlen / 8)) { /* If the starting full bytes do not match, no point in bittwidling the thumbs further */ return 0; } if (prefixlen % 8) { u8 b1 = *((u8 *) addr1 + 1 + prefixlen / 8); u8 b2 = *((u8 *) addr2 + 1 + prefixlen / 8); u8 mask0 = (0xff - ((1 << (8 - (prefixlen % 8))) - 1)); return (b1 & mask0) == b2; } else { /* The prefix fits into integer number of bytes, so nothing left to do */ return 1; } } always_inline int fa_acl_match_port (u16 port, u16 port_first, u16 port_last, int is_ip6) { return ((port >= port_first) && (port <= port_last)); } always_inline int single_acl_match_5tuple (acl_main_t * am, u32 acl_index, fa_5tuple_t * pkt_5tuple, int is_ip6, u8 * r_action, u32 * r_acl_match_p, u32 * r_rule_match_p, u32 * trace_bitmap) { int i; acl_rule_t *r; acl_rule_t *acl_rules; if (pool_is_free_index (am->acls, acl_index)) { if (r_acl_match_p) *r_acl_match_p = acl_index; if (r_rule_match_p) *r_rule_match_p = -1; /* the ACL does not exist but is used for policy. Block traffic. */ return 0; } acl_rules = am->acls[acl_index].rules; for (i = 0; i < vec_len(acl_rules); i++) { r = &acl_rules[i]; if (is_ip6 != r->is_ipv6) { continue; } if (is_ip6) { if (!fa_acl_match_ip6_addr (&pkt_5tuple->ip6_addr[1], &r->dst.ip6, r->dst_prefixlen)) continue; if (!fa_acl_match_ip6_addr (&pkt_5tuple->ip6_addr[0], &r->src.ip6, r->src_prefixlen)) continue; } else { if (!fa_acl_match_ip4_addr (&pkt_5tuple->ip4_addr[1], &r->dst.ip4, r->dst_prefixlen)) continue; if (!fa_acl_match_ip4_addr (&pkt_5tuple->ip4_addr[0], &r->src.ip4, r->src_prefixlen)) continue; } if (r->proto) { if (pkt_5tuple->l4.proto != r->proto) continue; if (PREDICT_FALSE (pkt_5tuple->pkt.is_nonfirst_fragment && am->l4_match_nonfirst_fragment)) { /* non-initial fragment with frag match configured - match this rule */ *trace_bitmap |= 0x80000000; *r_action = r->is_permit; if (r_acl_match_p) *r_acl_match_p = acl_index; if (r_rule_match_p) *r_rule_match_p = i; return 1; } /* A sanity check just to ensure we are about to match the ports extracted from the packet */ if (PREDICT_FALSE (!pkt_5tuple->pkt.l4_valid)) continue; #ifdef FA_NODE_VERBOSE_DEBUG clib_warning ("ACL_FA_NODE_DBG acl %d rule %d pkt proto %d match rule %d", acl_index, i, pkt_5tuple->l4.proto, r->proto); #endif if (!fa_acl_match_port (pkt_5tuple->l4.port[0], r->src_port_or_type_first, r->src_port_or_type_last, is_ip6)) continue; #ifdef FA_NODE_VERBOSE_DEBUG clib_warning ("ACL_FA_NODE_DBG acl %d rule %d pkt sport %d match rule [%d..%d]", acl_index, i, pkt_5tuple->l4.port[0], r->src_port_or_type_first, r->src_port_or_type_last); #endif if (!fa_acl_match_port (pkt_5tuple->l4.port[1], r->dst_port_or_code_first, r->dst_port_or_code_last, is_ip6)) continue; #ifdef FA_NODE_VERBOSE_DEBUG clib_warning ("ACL_FA_NODE_DBG acl %d rule %d pkt dport %d match rule [%d..%d]", acl_index, i, pkt_5tuple->l4.port[1], r->dst_port_or_code_first, r->dst_port_or_code_last); #endif if (pkt_5tuple->pkt.tcp_flags_valid && ((pkt_5tuple->pkt.tcp_flags & r->tcp_flags_mask) != r->tcp_flags_value)) continue; } /* everything matches! */ #ifdef FA_NODE_VERBOSE_DEBUG clib_warning ("ACL_FA_NODE_DBG acl %d rule %d FULL-MATCH, action %d", acl_index, i, r->is_permit); #endif *r_action = r->is_permit; if (r_acl_match_p) *r_acl_match_p = acl_index; if (r_rule_match_p) *r_rule_match_p = i; return 1; } return 0; } always_inline int acl_plugin_single_acl_match_5tuple (void *p_acl_main, u32 acl_index, fa_5tuple_t * pkt_5tuple, int is_ip6, u8 * r_action, u32 * r_acl_match_p, u32 * r_rule_match_p, u32 * trace_bitmap) { acl_main_t * am = p_acl_main; return single_acl_match_5tuple(am, acl_index, pkt_5tuple, is_ip6, r_action, r_acl_match_p, r_rule_match_p, trace_bitmap); } always_inline int linear_multi_acl_match_5tuple (void *p_acl_main, u32 lc_index, fa_5tuple_t * pkt_5tuple, int is_ip6, u8 *r_action, u32 *acl_pos_p, u32 * acl_match_p, u32 * rule_match_p, u32 * trace_bitmap) { acl_main_t *am = p_acl_main; int i; u32 *acl_vector; u8 action = 0; acl_lookup_context_t *acontext = pool_elt_at_index(am->acl_lookup_contexts, lc_index); acl_vector = acontext->acl_indices; for (i = 0; i < vec_len (acl_vector); i++) { #ifdef FA_NODE_VERBOSE_DEBUG clib_warning ("ACL_FA_NODE_DBG: Trying to match ACL: %d", acl_vector[i]); #endif if (single_acl_match_5tuple (am, acl_vector[i], pkt_5tuple, is_ip6, &action, acl_match_p, rule_match_p, trace_bitmap)) { *r_action = action; *acl_pos_p = i; return 1; } } if (vec_len (acl_vector) > 0) { return 0; } #ifdef FA_NODE_VERBOSE_DEBUG clib_warning ("ACL_FA_NODE_DBG: No ACL on lc_index %d", lc_index); #endif /* If there are no ACLs defined we should not be here. */ return 0; } /* * This returns true if there is indeed a match on the portranges. * With all these levels of indirections, this is not going to be very fast, * so, best use the individual ports or wildcard ports for performance. */ always_inline int match_portranges(acl_main_t *am, fa_5tuple_t *match, u32 index) { applied_hash_ace_entry_t **applied_hash_aces = vec_elt_at_index(am->hash_entry_vec_by_lc_index, match->pkt.lc_index); applied_hash_ace_entry_t *pae = vec_elt_at_index((*applied_hash_aces), index); acl_rule_t *r = &(am->acls[pae->acl_index].rules[pae->ace_index]); #ifdef FA_NODE_VERBOSE_DEBUG clib_warning("PORTMATCH: %d <= %d <= %d && %d <= %d <= %d ?", r->src_port_or_type_first, match->l4.port[0], r->src_port_or_type_last, r->dst_port_or_code_first, match->l4.port[1], r->dst_port_or_code_last); #endif return ( ((r->src_port_or_type_first <= match->l4.port[0]) && r->src_port_or_type_last >= match->l4.port[0]) && ((r->dst_port_or_code_first <= match->l4.port[1]) && r->dst_port_or_code_last >= match->l4.port[1]) ); } always_inline int single_rule_match_5tuple (acl_rule_t * r, int is_ip6, fa_5tuple_t * pkt_5tuple) { if (is_ip6 != r->is_ipv6) { return 0; } if (is_ip6) { if (!fa_acl_match_ip6_addr (&pkt_5tuple->ip6_addr[1], &r->dst.ip6, r->dst_prefixlen)) return 0; if (!fa_acl_match_ip6_addr (&pkt_5tuple->ip6_addr[0], &r->src.ip6, r->src_prefixlen)) return 0; } else { if (!fa_acl_match_ip4_addr (&pkt_5tuple->ip4_addr[1], &r->dst.ip4, r->dst_prefixlen)) return 0; if (!fa_acl_match_ip4_addr (&pkt_5tuple->ip4_addr[0], &r->src.ip4, r->src_prefixlen)) return 0; } if (r->proto) { if (pkt_5tuple->l4.proto != r->proto) return 0; /* A sanity check just to ensure we are about to match the ports extracted from the packet */ if (PREDICT_FALSE (!pkt_5tuple->pkt.l4_valid)) return 0; if (!fa_acl_match_port (pkt_5tuple->l4.port[0], r->src_port_or_type_first, r->src_port_or_type_last, pkt_5tuple->pkt.is_ip6)) return 0; if (!fa_acl_match_port (pkt_5tuple->l4.port[1], r->dst_port_or_code_first, r->dst_port_or_code_last, pkt_5tuple->pkt.is_ip6)) return 0; if (pkt_5tuple->pkt.tcp_flags_valid && ((pkt_5tuple->pkt.tcp_flags & r->tcp_flags_mask) != r->tcp_flags_value)) return 0; } /* everything matches! */ return 1; } always_inline u32 multi_acl_match_get_applied_ace_index (acl_main_t * am, int is_ip6, fa_5tuple_t * match) { clib_bihash_kv_48_8_t kv; clib_bihash_kv_48_8_t result; fa_5tuple_t *kv_key = (fa_5tuple_t *) kv.key; hash_acl_lookup_value_t *result_val = (hash_acl_lookup_value_t *) & result.value; u64 *pmatch = (u64 *) match; u64 *pmask; u64 *pkey; int mask_type_index, order_index; u32 curr_match_index = (~0 - 1); u32 lc_index = match->pkt.lc_index; applied_hash_ace_entry_t **applied_hash_aces = vec_elt_at_index (am->hash_entry_vec_by_lc_index, lc_index); hash_applied_mask_info_t **hash_applied_mask_info_vec = vec_elt_at_index (am->hash_applied_mask_info_vec_by_lc_index, lc_index); hash_applied_mask_info_t *minfo; DBG ("TRYING TO MATCH: %016llx %016llx %016llx %016llx %016llx %016llx", pmatch[0], pmatch[1], pmatch[2], pmatch[3], pmatch[4], pmatch[5]); for (order_index = 0; order_index < vec_len ((*hash_applied_mask_info_vec)); order_index++) { minfo = vec_elt_at_index ((*hash_applied_mask_info_vec), order_index); if (minfo->first_rule_index > curr_match_index) { /* Index in this and following (by construction) partitions are greater than our candidate, Avoid trying to match! */ break; } mask_type_index = minfo->mask_type_index; ace_mask_type_entry_t *mte = vec_elt_at_index (am->ace_mask_type_pool, mask_type_index); pmatch = (u64 *) match; pmask = (u64 *) & mte->mask; pkey = (u64 *) kv.key; /* * unrolling the below loop results in a noticeable performance increase. int i; for(i=0; i<6; i++) { kv.key[i] = pmatch[i] & pmask[i]; } */ *pkey++ = *pmatch++ & *pmask++; *pkey++ = *pmatch++ & *pmask++; *pkey++ = *pmatch++ & *pmask++; *pkey++ = *pmatch++ & *pmask++; *pkey++ = *pmatch++ & *pmask++; *pkey++ = *pmatch++ & *pmask++; /* * The use of temporary variable convinces the compiler * to make a u64 write, avoiding the stall on crc32 operation * just a bit later. */ fa_packet_info_t tmp_pkt = kv_key->pkt; tmp_pkt.mask_type_index_lsb = mask_type_index; kv_key->pkt.as_u64 = tmp_pkt.as_u64; int res = clib_bihash_search_inline_2_48_8 (&am->acl_lookup_hash, &kv, &result); if (res == 0) { /* There is a hit in the hash, so check the collision vector */ u32 curr_index = result_val->applied_entry_index; applied_hash_ace_entry_t *pae = vec_elt_at_index ((*applied_hash_aces), curr_index); collision_match_rule_t *crs = pae->colliding_rules; int i; for (i = 0; i < vec_len (crs); i++) { if (crs[i].applied_entry_index >= curr_match_index) { continue; } if (single_rule_match_5tuple (&crs[i].rule, is_ip6, match)) { curr_match_index = crs[i].applied_entry_index; } } } } DBG ("MATCH-RESULT: %d", curr_match_index); return curr_match_index; } always_inline int hash_multi_acl_match_5tuple (void *p_acl_main, u32 lc_index, fa_5tuple_t * pkt_5tuple, int is_ip6, u8 *action, u32 *acl_pos_p, u32 * acl_match_p, u32 * rule_match_p, u32 * trace_bitmap) { acl_main_t *am = p_acl_main; applied_hash_ace_entry_t **applied_hash_aces = vec_elt_at_index(am->hash_entry_vec_by_lc_index, lc_index); u32 match_index = multi_acl_match_get_applied_ace_index(am, is_ip6, pkt_5tuple); if (match_index < vec_len((*applied_hash_aces))) { applied_hash_ace_entry_t *pae = vec_elt_at_index((*applied_hash_aces), match_index); pae->hitcount++; *acl_pos_p = pae->acl_position; *acl_match_p = pae->acl_index; *rule_match_p = pae->ace_index; *action = pae->action; return 1; } return 0; } always_inline int acl_plugin_match_5tuple_inline (void *p_acl_main, u32 lc_index, fa_5tuple_opaque_t * pkt_5tuple, int is_ip6, u8 * r_action, u32 * r_acl_pos_p, u32 * r_acl_match_p, u32 * r_rule_match_p, u32 * trace_bitmap) { acl_main_t *am = p_acl_main; fa_5tuple_t * pkt_5tuple_internal = (fa_5tuple_t *)pkt_5tuple; pkt_5tuple_internal->pkt.lc_index = lc_index; if (PREDICT_TRUE(am->use_hash_acl_matching)) { if (PREDICT_FALSE(pkt_5tuple_internal->pkt.is_nonfirst_fragment)) { /* * tuplemerge does not take fragments into account, * and in general making fragments first class citizens has * proved more overhead than it's worth - so just fall back to linear * matching in that case. */ return linear_multi_acl_match_5tuple(p_acl_main, lc_index, pkt_5tuple_internal, is_ip6, r_action, r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap); } else { return hash_multi_acl_match_5tuple(p_acl_main, lc_index, pkt_5tuple_internal, is_ip6, r_action, r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap); } } else { return linear_multi_acl_match_5tuple(p_acl_main, lc_index, pkt_5tuple_internal, is_ip6, r_action, r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap); } } always_inline int acl_plugin_match_5tuple_inline_and_count (void *p_acl_main, u32 lc_index, fa_5tuple_opaque_t * pkt_5tuple, int is_ip6, u8 * r_action, u32 * r_acl_pos_p, u32 * r_acl_match_p, u32 * r_rule_match_p, u32 * trace_bitmap, u32 packet_size) { acl_main_t *am = p_acl_main; int ret = 0; fa_5tuple_t * pkt_5tuple_internal = (fa_5tuple_t *)pkt_5tuple; pkt_5tuple_internal->pkt.lc_index = lc_index; if (PREDICT_TRUE(am->use_hash_acl_matching)) { if (PREDICT_FALSE(pkt_5tuple_internal->pkt.is_nonfirst_fragment)) { /* * tuplemerge does not take fragments into account, * and in general making fragments first class citizens has * proved more overhead than it's worth - so just fall back to linear * matching in that case. */ ret = linear_multi_acl_match_5tuple(p_acl_main, lc_index, pkt_5tuple_internal, is_ip6, r_action, r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap); } else { ret = hash_multi_acl_match_5tuple(p_acl_main, lc_index, pkt_5tuple_internal, is_ip6, r_action, r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap); } } else { ret = linear_multi_acl_match_5tuple(p_acl_main, lc_index, pkt_5tuple_internal, is_ip6, r_action, r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap); } if (PREDICT_TRUE(ret)) { u16 thread_index = os_get_thread_index (); vlib_increment_combined_counter(am->combined_acl_counters + *r_acl_match_p, thread_index, *r_rule_match_p, 1, packet_size); } return ret; } #endif