2 * Copyright (c) 2018 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef included_acl_inlines_h
17 #define included_acl_inlines_h
21 #include <plugins/acl/acl.h>
22 #include <plugins/acl/fa_node.h>
23 #include <plugins/acl/hash_lookup_private.h>
26 /* check if a given ACL exists */
28 #ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
31 * Define a pointer to the acl_main which will be filled during the initialization.
33 acl_main_t *p_acl_main = 0;
36 * If the file is included more than once, the symbol collision will make the problem obvious.
37 * If the include is done only once, it is just a lonely null var
40 void *ERROR_ACL_PLUGIN_EXPORTS_FILE_MUST_BE_INCLUDED_ONLY_IN_ONE_PLACE = 0;
42 u8 (*acl_plugin_acl_exists) (u32 acl_index);
44 u8 acl_plugin_acl_exists (u32 acl_index);
49 * If you are using ACL plugin, get this unique ID first,
50 * so you can identify yourself when creating the lookup contexts.
53 #ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
54 u32 (*acl_plugin_register_user_module) (char *caller_module_string, char *val1_label, char *val2_label);
56 u32 acl_plugin_register_user_module (char *caller_module_string, char *val1_label, char *val2_label);
60 * Allocate a new lookup context index.
61 * Supply the id assigned to your module during registration,
62 * and two values of your choice identifying instances
63 * of use within your module. They are useful for debugging.
65 #ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
66 int (*acl_plugin_get_lookup_context_index) (u32 acl_user_id, u32 val1, u32 val2);
68 int acl_plugin_get_lookup_context_index (u32 acl_user_id, u32 val1, u32 val2);
72 * Release the lookup context index and destroy
73 * any asssociated data structures.
75 #ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
76 void (*acl_plugin_put_lookup_context_index) (u32 lc_index);
78 void acl_plugin_put_lookup_context_index (u32 lc_index);
82 * Prepare the sequential vector of ACL#s to lookup within a given context.
83 * Any existing list will be overwritten. acl_list is a vector.
85 #ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
86 int (*acl_plugin_set_acl_vec_for_context) (u32 lc_index, u32 *acl_list);
88 int acl_plugin_set_acl_vec_for_context (u32 lc_index, u32 *acl_list);
91 /* Fill the 5-tuple from the packet */
93 #ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
94 void (*acl_plugin_fill_5tuple) (u32 lc_index, vlib_buffer_t * b0, int is_ip6, int is_input,
95 int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt);
97 void acl_plugin_fill_5tuple (u32 lc_index, vlib_buffer_t * b0, int is_ip6, int is_input,
98 int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt);
101 #ifdef ACL_PLUGIN_DEFINED_BELOW_IN_FILE
103 void acl_plugin_fill_5tuple_inline (u32 lc_index, vlib_buffer_t * b0, int is_ip6, int is_input,
104 int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt) {
105 /* FIXME: normally the inlined version of filling in the 5-tuple. But for now just call the non-inlined version */
106 acl_plugin_fill_5tuple(lc_index, b0, is_ip6, is_input, is_l2_path, p5tuple_pkt);
111 #ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
112 int (*acl_plugin_match_5tuple) (u32 lc_index,
113 fa_5tuple_opaque_t * pkt_5tuple,
114 int is_ip6, u8 * r_action,
117 u32 * r_rule_match_p,
120 int acl_plugin_match_5tuple (u32 lc_index,
121 fa_5tuple_opaque_t * pkt_5tuple,
122 int is_ip6, u8 * r_action,
125 u32 * r_rule_match_p,
129 #ifdef ACL_PLUGIN_DEFINED_BELOW_IN_FILE
131 acl_plugin_match_5tuple_inline (u32 lc_index,
132 fa_5tuple_opaque_t * pkt_5tuple,
133 int is_ip6, u8 * r_action,
136 u32 * r_rule_match_p,
137 u32 * trace_bitmap) {
138 return acl_plugin_match_5tuple(lc_index, pkt_5tuple, is_ip6, r_action, r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap);
142 #ifdef ACL_PLUGIN_EXTERNAL_EXPORTS
144 #define LOAD_SYMBOL_FROM_PLUGIN_TO(p, s, st) \
146 st = vlib_get_plugin_symbol(p, #s); \
148 return clib_error_return(0, \
149 "Plugin %s and/or symbol %s not found.", p, #s); \
152 #define LOAD_SYMBOL(s) LOAD_SYMBOL_FROM_PLUGIN_TO("acl_plugin.so", s, s)
154 static inline clib_error_t * acl_plugin_exports_init (void)
156 LOAD_SYMBOL_FROM_PLUGIN_TO("acl_plugin.so", acl_main, p_acl_main);
157 LOAD_SYMBOL(acl_plugin_acl_exists);
158 LOAD_SYMBOL(acl_plugin_register_user_module);
159 LOAD_SYMBOL(acl_plugin_get_lookup_context_index);
160 LOAD_SYMBOL(acl_plugin_put_lookup_context_index);
161 LOAD_SYMBOL(acl_plugin_set_acl_vec_for_context);
162 LOAD_SYMBOL(acl_plugin_fill_5tuple);
163 LOAD_SYMBOL(acl_plugin_match_5tuple);
172 get_ptr_to_offset (vlib_buffer_t * b0, int offset)
174 u8 *p = vlib_buffer_get_current (b0) + offset;
179 offset_within_packet (vlib_buffer_t * b0, int offset)
181 /* For the purposes of this code, "within" means we have at least 8 bytes after it */
182 return (offset <= (b0->current_length - 8));
186 acl_fill_5tuple (acl_main_t * am, vlib_buffer_t * b0, int is_ip6,
187 int is_input, int is_l2_path, fa_5tuple_t * p5tuple_pkt)
189 /* IP4 and IP6 protocol numbers of ICMP */
190 static u8 icmp_protos_v4v6[] = { IP_PROTOCOL_ICMP, IP_PROTOCOL_ICMP6 };
199 l3_offset = ethernet_buffer_header_size(b0);
206 l3_offset = vnet_buffer(b0)->ip.save_rewrite_length;
209 /* key[0..3] contains src/dst address and is cleared/set below */
210 /* Remainder of the key and per-packet non-key data */
211 p5tuple_pkt->kv.key[4] = 0;
212 p5tuple_pkt->kv.value = 0;
216 clib_memcpy (&p5tuple_pkt->addr,
217 get_ptr_to_offset (b0,
218 offsetof (ip6_header_t,
219 src_address) + l3_offset),
220 sizeof (p5tuple_pkt->addr));
222 *(u8 *) get_ptr_to_offset (b0,
223 offsetof (ip6_header_t,
224 protocol) + l3_offset);
225 l4_offset = l3_offset + sizeof (ip6_header_t);
226 #ifdef FA_NODE_VERBOSE_DEBUG
227 clib_warning ("ACL_FA_NODE_DBG: proto: %d, l4_offset: %d", proto,
230 /* IP6 EH handling is here, increment l4_offset if needs to, update the proto */
231 int need_skip_eh = clib_bitmap_get (am->fa_ipv6_known_eh_bitmap, proto);
232 if (PREDICT_FALSE (need_skip_eh))
234 while (need_skip_eh && offset_within_packet (b0, l4_offset))
236 /* Fragment header needs special handling */
237 if (PREDICT_FALSE(ACL_EH_FRAGMENT == proto))
239 proto = *(u8 *) get_ptr_to_offset (b0, l4_offset);
241 clib_memcpy (&frag_offset, get_ptr_to_offset (b0, 2 + l4_offset), sizeof(frag_offset));
242 frag_offset = clib_net_to_host_u16(frag_offset) >> 3;
245 p5tuple_pkt->pkt.is_nonfirst_fragment = 1;
246 /* invalidate L4 offset so we don't try to find L4 info */
247 l4_offset += b0->current_length;
251 /* First fragment: skip the frag header and move on. */
257 u8 nwords = *(u8 *) get_ptr_to_offset (b0, 1 + l4_offset);
258 proto = *(u8 *) get_ptr_to_offset (b0, l4_offset);
259 l4_offset += 8 * (1 + (u16) nwords);
261 #ifdef FA_NODE_VERBOSE_DEBUG
262 clib_warning ("ACL_FA_NODE_DBG: new proto: %d, new offset: %d",
266 clib_bitmap_get (am->fa_ipv6_known_eh_bitmap, proto);
272 p5tuple_pkt->kv.key[0] = 0;
273 p5tuple_pkt->kv.key[1] = 0;
274 p5tuple_pkt->kv.key[2] = 0;
275 p5tuple_pkt->kv.key[3] = 0;
276 clib_memcpy (&p5tuple_pkt->addr[0].ip4,
277 get_ptr_to_offset (b0,
278 offsetof (ip4_header_t,
279 src_address) + l3_offset),
280 sizeof (p5tuple_pkt->addr[0].ip4));
281 clib_memcpy (&p5tuple_pkt->addr[1].ip4,
282 get_ptr_to_offset (b0,
283 offsetof (ip4_header_t,
284 dst_address) + l3_offset),
285 sizeof (p5tuple_pkt->addr[1].ip4));
287 *(u8 *) get_ptr_to_offset (b0,
288 offsetof (ip4_header_t,
289 protocol) + l3_offset);
290 l4_offset = l3_offset + sizeof (ip4_header_t);
291 u16 flags_and_fragment_offset;
292 clib_memcpy (&flags_and_fragment_offset,
293 get_ptr_to_offset (b0,
294 offsetof (ip4_header_t,
295 flags_and_fragment_offset)) + l3_offset,
296 sizeof(flags_and_fragment_offset));
297 flags_and_fragment_offset = clib_net_to_host_u16 (flags_and_fragment_offset);
299 /* non-initial fragments have non-zero offset */
300 if ((PREDICT_FALSE(0xfff & flags_and_fragment_offset)))
302 p5tuple_pkt->pkt.is_nonfirst_fragment = 1;
303 /* invalidate L4 offset so we don't try to find L4 info */
304 l4_offset += b0->current_length;
308 p5tuple_pkt->l4.proto = proto;
309 if (PREDICT_TRUE (offset_within_packet (b0, l4_offset)))
311 p5tuple_pkt->pkt.l4_valid = 1;
312 if (icmp_protos_v4v6[is_ip6] == proto)
315 p5tuple_pkt->l4.port[0] =
316 *(u8 *) get_ptr_to_offset (b0,
317 l4_offset + offsetof (icmp46_header_t,
320 p5tuple_pkt->l4.port[1] =
321 *(u8 *) get_ptr_to_offset (b0,
322 l4_offset + offsetof (icmp46_header_t,
325 else if ((IP_PROTOCOL_TCP == proto) || (IP_PROTOCOL_UDP == proto))
328 get_ptr_to_offset (b0,
329 l4_offset + offsetof (tcp_header_t,
332 p5tuple_pkt->l4.port[0] = clib_net_to_host_u16 (ports[0]);
333 p5tuple_pkt->l4.port[1] = clib_net_to_host_u16 (ports[1]);
335 p5tuple_pkt->pkt.tcp_flags =
336 *(u8 *) get_ptr_to_offset (b0,
337 l4_offset + offsetof (tcp_header_t,
339 p5tuple_pkt->pkt.tcp_flags_valid = (proto == IP_PROTOCOL_TCP);
342 * FIXME: rather than the above conditional, here could
343 * be a nice generic mechanism to extract two L4 values:
345 * have a per-protocol array of 4 elements like this:
346 * u8 offset; to take the byte from, off L4 header
347 * u8 mask; to mask it with, before storing
349 * this way we can describe UDP, TCP and ICMP[46] semantics,
350 * and add a sort of FPM-type behavior for other protocols.
352 * Of course, is it faster ? and is it needed ?
359 acl_plugin_fill_5tuple_inline (u32 lc_index, vlib_buffer_t * b0, int is_ip6,
360 int is_input, int is_l2_path, fa_5tuple_opaque_t * p5tuple_pkt)
362 acl_main_t *am = p_acl_main;
363 acl_fill_5tuple(am, b0, is_ip6, is_input, is_l2_path, (fa_5tuple_t *)p5tuple_pkt);
369 fa_acl_match_addr (ip46_address_t * addr1, ip46_address_t * addr2,
370 int prefixlen, int is_ip6)
374 /* match any always succeeds */
379 if (memcmp (addr1, addr2, prefixlen / 8))
381 /* If the starting full bytes do not match, no point in bittwidling the thumbs further */
386 u8 b1 = *((u8 *) addr1 + 1 + prefixlen / 8);
387 u8 b2 = *((u8 *) addr2 + 1 + prefixlen / 8);
388 u8 mask0 = (0xff - ((1 << (8 - (prefixlen % 8))) - 1));
389 return (b1 & mask0) == b2;
393 /* The prefix fits into integer number of bytes, so nothing left to do */
399 uint32_t a1 = clib_net_to_host_u32 (addr1->ip4.as_u32);
400 uint32_t a2 = clib_net_to_host_u32 (addr2->ip4.as_u32);
401 uint32_t mask0 = 0xffffffff - ((1 << (32 - prefixlen)) - 1);
402 return (a1 & mask0) == a2;
407 fa_acl_match_port (u16 port, u16 port_first, u16 port_last, int is_ip6)
409 return ((port >= port_first) && (port <= port_last));
413 single_acl_match_5tuple (acl_main_t * am, u32 acl_index, fa_5tuple_t * pkt_5tuple,
414 int is_ip6, u8 * r_action, u32 * r_acl_match_p,
415 u32 * r_rule_match_p, u32 * trace_bitmap)
421 if (pool_is_free_index (am->acls, acl_index))
424 *r_acl_match_p = acl_index;
426 *r_rule_match_p = -1;
427 /* the ACL does not exist but is used for policy. Block traffic. */
430 a = am->acls + acl_index;
431 for (i = 0; i < a->count; i++)
434 #ifdef FA_NODE_VERBOSE_DEBUG
435 clib_warning("ACL_FA_NODE_DBG acl %d rule %d tag %s", acl_index, i, a->tag);
437 if (is_ip6 != r->is_ipv6)
441 if (!fa_acl_match_addr
442 (&pkt_5tuple->addr[1], &r->dst, r->dst_prefixlen, is_ip6))
445 #ifdef FA_NODE_VERBOSE_DEBUG
447 ("ACL_FA_NODE_DBG acl %d rule %d pkt dst addr %U match rule addr %U/%d",
448 acl_index, i, format_ip46_address, &pkt_5tuple->addr[1],
449 r->is_ipv6 ? IP46_TYPE_IP6: IP46_TYPE_IP4, format_ip46_address,
450 &r->dst, r->is_ipv6 ? IP46_TYPE_IP6: IP46_TYPE_IP4,
454 if (!fa_acl_match_addr
455 (&pkt_5tuple->addr[0], &r->src, r->src_prefixlen, is_ip6))
458 #ifdef FA_NODE_VERBOSE_DEBUG
460 ("ACL_FA_NODE_DBG acl %d rule %d pkt src addr %U match rule addr %U/%d",
461 acl_index, i, format_ip46_address, &pkt_5tuple->addr[0],
462 r->is_ipv6 ? IP46_TYPE_IP6: IP46_TYPE_IP4, format_ip46_address,
463 &r->src, r->is_ipv6 ? IP46_TYPE_IP6: IP46_TYPE_IP4,
466 ("ACL_FA_NODE_DBG acl %d rule %d trying to match pkt proto %d with rule %d",
467 acl_index, i, pkt_5tuple->l4.proto, r->proto);
471 if (pkt_5tuple->l4.proto != r->proto)
474 if (PREDICT_FALSE (pkt_5tuple->pkt.is_nonfirst_fragment &&
475 am->l4_match_nonfirst_fragment))
477 /* non-initial fragment with frag match configured - match this rule */
478 *trace_bitmap |= 0x80000000;
479 *r_action = r->is_permit;
481 *r_acl_match_p = acl_index;
487 /* A sanity check just to ensure we are about to match the ports extracted from the packet */
488 if (PREDICT_FALSE (!pkt_5tuple->pkt.l4_valid))
491 #ifdef FA_NODE_VERBOSE_DEBUG
493 ("ACL_FA_NODE_DBG acl %d rule %d pkt proto %d match rule %d",
494 acl_index, i, pkt_5tuple->l4.proto, r->proto);
497 if (!fa_acl_match_port
498 (pkt_5tuple->l4.port[0], r->src_port_or_type_first,
499 r->src_port_or_type_last, is_ip6))
502 #ifdef FA_NODE_VERBOSE_DEBUG
504 ("ACL_FA_NODE_DBG acl %d rule %d pkt sport %d match rule [%d..%d]",
505 acl_index, i, pkt_5tuple->l4.port[0], r->src_port_or_type_first,
506 r->src_port_or_type_last);
509 if (!fa_acl_match_port
510 (pkt_5tuple->l4.port[1], r->dst_port_or_code_first,
511 r->dst_port_or_code_last, is_ip6))
514 #ifdef FA_NODE_VERBOSE_DEBUG
516 ("ACL_FA_NODE_DBG acl %d rule %d pkt dport %d match rule [%d..%d]",
517 acl_index, i, pkt_5tuple->l4.port[1], r->dst_port_or_code_first,
518 r->dst_port_or_code_last);
520 if (pkt_5tuple->pkt.tcp_flags_valid
521 && ((pkt_5tuple->pkt.tcp_flags & r->tcp_flags_mask) !=
525 /* everything matches! */
526 #ifdef FA_NODE_VERBOSE_DEBUG
527 clib_warning ("ACL_FA_NODE_DBG acl %d rule %d FULL-MATCH, action %d",
528 acl_index, i, r->is_permit);
530 *r_action = r->is_permit;
532 *r_acl_match_p = acl_index;
541 acl_plugin_single_acl_match_5tuple (u32 acl_index, fa_5tuple_t * pkt_5tuple,
542 int is_ip6, u8 * r_action, u32 * r_acl_match_p,
543 u32 * r_rule_match_p, u32 * trace_bitmap)
545 acl_main_t * am = p_acl_main;
546 return single_acl_match_5tuple(am, acl_index, pkt_5tuple, is_ip6, r_action,
547 r_acl_match_p, r_rule_match_p, trace_bitmap);
551 linear_multi_acl_match_5tuple (u32 lc_index, fa_5tuple_t * pkt_5tuple,
552 int is_ip6, u8 *r_action, u32 *acl_pos_p, u32 * acl_match_p,
553 u32 * rule_match_p, u32 * trace_bitmap)
555 acl_main_t *am = p_acl_main;
559 acl_lookup_context_t *acontext = pool_elt_at_index(am->acl_lookup_contexts, lc_index);
561 acl_vector = acontext->acl_indices;
563 for (i = 0; i < vec_len (acl_vector); i++)
565 #ifdef FA_NODE_VERBOSE_DEBUG
566 clib_warning ("ACL_FA_NODE_DBG: Trying to match ACL: %d",
569 if (single_acl_match_5tuple
570 (am, acl_vector[i], pkt_5tuple, is_ip6, &action,
571 acl_match_p, rule_match_p, trace_bitmap))
578 if (vec_len (acl_vector) > 0)
582 #ifdef FA_NODE_VERBOSE_DEBUG
583 clib_warning ("ACL_FA_NODE_DBG: No ACL on lc_index %d", lc_index);
585 /* If there are no ACLs defined we should not be here. */
592 * This returns true if there is indeed a match on the portranges.
593 * With all these levels of indirections, this is not going to be very fast,
594 * so, best use the individual ports or wildcard ports for performance.
597 match_portranges(acl_main_t *am, fa_5tuple_t *match, u32 index)
600 applied_hash_ace_entry_t **applied_hash_aces = vec_elt_at_index(am->hash_entry_vec_by_lc_index, match->pkt.lc_index);
601 applied_hash_ace_entry_t *pae = vec_elt_at_index((*applied_hash_aces), index);
603 acl_rule_t *r = &(am->acls[pae->acl_index].rules[pae->ace_index]);
605 #ifdef FA_NODE_VERBOSE_DEBUG
606 clib_warning("PORTMATCH: %d <= %d <= %d && %d <= %d <= %d ?",
607 r->src_port_or_type_first, match->l4.port[0], r->src_port_or_type_last,
608 r->dst_port_or_code_first, match->l4.port[1], r->dst_port_or_code_last);
611 return ( ((r->src_port_or_type_first <= match->l4.port[0]) && r->src_port_or_type_last >= match->l4.port[0]) &&
612 ((r->dst_port_or_code_first <= match->l4.port[1]) && r->dst_port_or_code_last >= match->l4.port[1]) );
616 multi_acl_match_get_applied_ace_index(acl_main_t *am, fa_5tuple_t *match)
618 clib_bihash_kv_48_8_t kv;
619 clib_bihash_kv_48_8_t result;
620 fa_5tuple_t *kv_key = (fa_5tuple_t *)kv.key;
621 hash_acl_lookup_value_t *result_val = (hash_acl_lookup_value_t *)&result.value;
622 u64 *pmatch = (u64 *)match;
626 u32 curr_match_index = ~0;
628 u32 lc_index = match->pkt.lc_index;
629 applied_hash_ace_entry_t **applied_hash_aces = vec_elt_at_index(am->hash_entry_vec_by_lc_index, match->pkt.lc_index);
630 applied_hash_acl_info_t **applied_hash_acls = &am->applied_hash_acl_info_by_lc_index;
632 DBG("TRYING TO MATCH: %016llx %016llx %016llx %016llx %016llx %016llx",
633 pmatch[0], pmatch[1], pmatch[2], pmatch[3], pmatch[4], pmatch[5]);
635 for(mask_type_index=0; mask_type_index < pool_len(am->ace_mask_type_pool); mask_type_index++) {
636 if (!clib_bitmap_get(vec_elt_at_index((*applied_hash_acls), lc_index)->mask_type_index_bitmap, mask_type_index)) {
637 /* This bit is not set. Avoid trying to match */
640 ace_mask_type_entry_t *mte = vec_elt_at_index(am->ace_mask_type_pool, mask_type_index);
641 pmatch = (u64 *)match;
642 pmask = (u64 *)&mte->mask;
643 pkey = (u64 *)kv.key;
645 * unrolling the below loop results in a noticeable performance increase.
648 kv.key[i] = pmatch[i] & pmask[i];
652 *pkey++ = *pmatch++ & *pmask++;
653 *pkey++ = *pmatch++ & *pmask++;
654 *pkey++ = *pmatch++ & *pmask++;
655 *pkey++ = *pmatch++ & *pmask++;
656 *pkey++ = *pmatch++ & *pmask++;
657 *pkey++ = *pmatch++ & *pmask++;
659 kv_key->pkt.mask_type_index_lsb = mask_type_index;
660 DBG(" KEY %3d: %016llx %016llx %016llx %016llx %016llx %016llx", mask_type_index,
661 kv.key[0], kv.key[1], kv.key[2], kv.key[3], kv.key[4], kv.key[5]);
662 int res = clib_bihash_search_48_8 (&am->acl_lookup_hash, &kv, &result);
664 DBG("ACL-MATCH! result_val: %016llx", result_val->as_u64);
665 if (result_val->applied_entry_index < curr_match_index) {
666 if (PREDICT_FALSE(result_val->need_portrange_check)) {
668 * This is going to be slow, since we can have multiple superset
669 * entries for narrow-ish portranges, e.g.:
670 * 0..42 100..400, 230..60000,
671 * so we need to walk linearly and check if they match.
674 u32 curr_index = result_val->applied_entry_index;
675 while ((curr_index != ~0) && !match_portranges(am, match, curr_index)) {
676 /* while no match and there are more entries, walk... */
677 applied_hash_ace_entry_t *pae = vec_elt_at_index((*applied_hash_aces),curr_index);
678 DBG("entry %d did not portmatch, advancing to %d", curr_index, pae->next_applied_entry_index);
679 curr_index = pae->next_applied_entry_index;
681 if (curr_index < curr_match_index) {
682 DBG("The index %d is the new candidate in portrange matches.", curr_index);
683 curr_match_index = curr_index;
685 DBG("Curr portmatch index %d is too big vs. current matched one %d", curr_index, curr_match_index);
688 /* The usual path is here. Found an entry in front of the current candiate - so it's a new one */
689 DBG("This match is the new candidate");
690 curr_match_index = result_val->applied_entry_index;
691 if (!result_val->shadowed) {
692 /* new result is known to not be shadowed, so no point to look up further */
699 DBG("MATCH-RESULT: %d", curr_match_index);
700 return curr_match_index;
704 hash_multi_acl_match_5tuple (u32 lc_index, fa_5tuple_t * pkt_5tuple,
705 int is_ip6, u8 *action, u32 *acl_pos_p, u32 * acl_match_p,
706 u32 * rule_match_p, u32 * trace_bitmap)
708 acl_main_t *am = p_acl_main;
709 applied_hash_ace_entry_t **applied_hash_aces = vec_elt_at_index(am->hash_entry_vec_by_lc_index, lc_index);
710 u32 match_index = multi_acl_match_get_applied_ace_index(am, pkt_5tuple);
711 if (match_index < vec_len((*applied_hash_aces))) {
712 applied_hash_ace_entry_t *pae = vec_elt_at_index((*applied_hash_aces), match_index);
714 *acl_pos_p = pae->acl_position;
715 *acl_match_p = pae->acl_index;
716 *rule_match_p = pae->ace_index;
717 *action = pae->action;
726 acl_plugin_match_5tuple_inline (u32 lc_index,
727 fa_5tuple_opaque_t * pkt_5tuple,
728 int is_ip6, u8 * r_action,
731 u32 * r_rule_match_p,
734 acl_main_t *am = p_acl_main;
735 if (am->use_hash_acl_matching) {
736 return hash_multi_acl_match_5tuple(lc_index, (fa_5tuple_t *)pkt_5tuple, is_ip6, r_action,
737 r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap);
739 return linear_multi_acl_match_5tuple(lc_index, (fa_5tuple_t *)pkt_5tuple, is_ip6, r_action,
740 r_acl_pos_p, r_acl_match_p, r_rule_match_p, trace_bitmap);