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-rw-r--r--src/vnet/map/map.c2363
1 files changed, 0 insertions, 2363 deletions
diff --git a/src/vnet/map/map.c b/src/vnet/map/map.c
deleted file mode 100644
index 702b5f80e52..00000000000
--- a/src/vnet/map/map.c
+++ /dev/null
@@ -1,2363 +0,0 @@
-/*
- * map.c : MAP support
- *
- * Copyright (c) 2015 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 <vnet/fib/fib_table.h>
-#include <vnet/fib/ip6_fib.h>
-#include <vnet/adj/adj.h>
-#include <vnet/map/map_dpo.h>
-#include <vppinfra/crc32.h>
-
-#include "map.h"
-
-map_main_t map_main;
-
-/*
- * This code supports the following MAP modes:
- *
- * Algorithmic Shared IPv4 address (ea_bits_len > 0):
- * ea_bits_len + ip4_prefix > 32
- * psid_length > 0, ip6_prefix < 64, ip4_prefix <= 32
- * Algorithmic Full IPv4 address (ea_bits_len > 0):
- * ea_bits_len + ip4_prefix = 32
- * psid_length = 0, ip6_prefix < 64, ip4_prefix <= 32
- * Algorithmic IPv4 prefix (ea_bits_len > 0):
- * ea_bits_len + ip4_prefix < 32
- * psid_length = 0, ip6_prefix < 64, ip4_prefix <= 32
- *
- * Independent Shared IPv4 address (ea_bits_len = 0):
- * ip4_prefix = 32
- * psid_length > 0
- * Rule IPv6 address = 128, Rule PSID Set
- * Independent Full IPv4 address (ea_bits_len = 0):
- * ip4_prefix = 32
- * psid_length = 0, ip6_prefix = 128
- * Independent IPv4 prefix (ea_bits_len = 0):
- * ip4_prefix < 32
- * psid_length = 0, ip6_prefix = 128
- *
- */
-
-/*
- * This code supports MAP-T:
- *
- * With DMR prefix length equal to 96.
- *
- */
-
-
-
-int
-map_create_domain (ip4_address_t * ip4_prefix,
- u8 ip4_prefix_len,
- ip6_address_t * ip6_prefix,
- u8 ip6_prefix_len,
- ip6_address_t * ip6_src,
- u8 ip6_src_len,
- u8 ea_bits_len,
- u8 psid_offset,
- u8 psid_length, u32 * map_domain_index, u16 mtu, u8 flags)
-{
- u8 suffix_len, suffix_shift;
- map_main_t *mm = &map_main;
- dpo_id_t dpo_v4 = DPO_INVALID;
- dpo_id_t dpo_v6 = DPO_INVALID;
- map_domain_t *d;
-
- /* Sanity check on the src prefix length */
- if (flags & MAP_DOMAIN_TRANSLATION)
- {
- if (ip6_src_len != 96)
- {
- clib_warning ("MAP-T only supports ip6_src_len = 96 for now.");
- return -1;
- }
- if ((flags & MAP_DOMAIN_RFC6052) && ip6_prefix_len != 96)
- {
- clib_warning ("RFC6052 translation only supports ip6_prefix_len = "
- "96 for now");
- return -1;
- }
- }
- else
- {
- if (ip6_src_len != 128)
- {
- clib_warning
- ("MAP-E requires a BR address, not a prefix (ip6_src_len should "
- "be 128).");
- return -1;
- }
- }
-
- /* How many, and which bits to grab from the IPv4 DA */
- if (ip4_prefix_len + ea_bits_len < 32)
- {
- if (!(flags & MAP_DOMAIN_TRANSLATION))
- flags |= MAP_DOMAIN_PREFIX;
- suffix_shift = 32 - ip4_prefix_len - ea_bits_len;
- suffix_len = ea_bits_len;
- }
- else
- {
- suffix_shift = 0;
- suffix_len = 32 - ip4_prefix_len;
- }
-
- /* EA bits must be within the first 64 bits */
- if (ea_bits_len > 0 && ((ip6_prefix_len + ea_bits_len) > 64 ||
- ip6_prefix_len + suffix_len + psid_length > 64))
- {
- clib_warning
- ("Embedded Address bits must be within the first 64 bits of "
- "the IPv6 prefix");
- return -1;
- }
-
- if (mm->is_ce && !(flags & MAP_DOMAIN_TRANSLATION))
- {
- clib_warning ("MAP-E CE is not supported yet");
- return -1;
- }
-
- /* Get domain index */
- pool_get_aligned (mm->domains, d, CLIB_CACHE_LINE_BYTES);
- memset (d, 0, sizeof (*d));
- *map_domain_index = d - mm->domains;
-
- /* Init domain struct */
- d->ip4_prefix.as_u32 = ip4_prefix->as_u32;
- d->ip4_prefix_len = ip4_prefix_len;
- d->ip6_prefix = *ip6_prefix;
- d->ip6_prefix_len = ip6_prefix_len;
- d->ip6_src = *ip6_src;
- d->ip6_src_len = ip6_src_len;
- d->ea_bits_len = ea_bits_len;
- d->psid_offset = psid_offset;
- d->psid_length = psid_length;
- d->mtu = mtu;
- d->flags = flags;
- d->suffix_shift = suffix_shift;
- d->suffix_mask = (1 << suffix_len) - 1;
-
- d->psid_shift = 16 - psid_length - psid_offset;
- d->psid_mask = (1 << d->psid_length) - 1;
- d->ea_shift = 64 - ip6_prefix_len - suffix_len - d->psid_length;
-
- /* MAP data-plane object */
- if (d->flags & MAP_DOMAIN_TRANSLATION)
- map_t_dpo_create (DPO_PROTO_IP4, *map_domain_index, &dpo_v4);
- else
- map_dpo_create (DPO_PROTO_IP4, *map_domain_index, &dpo_v4);
-
- /* Create ip4 route */
- u8 ip4_pfx_len;
- ip4_address_t ip4_pfx;
- if (mm->is_ce)
- {
- ip4_pfx_len = 0;
- ip4_pfx.as_u32 = 0;
- }
- else
- {
- ip4_pfx_len = d->ip4_prefix_len;
- ip4_pfx = d->ip4_prefix;
- }
- fib_prefix_t pfx = {
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_len = ip4_pfx_len,
- .fp_addr = {
- .ip4 = ip4_pfx,
- }
- ,
- };
- fib_table_entry_special_dpo_add (0, &pfx,
- FIB_SOURCE_MAP,
- FIB_ENTRY_FLAG_EXCLUSIVE, &dpo_v4);
- dpo_reset (&dpo_v4);
-
- /*
- * construct a DPO to use the v6 domain
- */
- if (d->flags & MAP_DOMAIN_TRANSLATION)
- map_t_dpo_create (DPO_PROTO_IP6, *map_domain_index, &dpo_v6);
- else
- map_dpo_create (DPO_PROTO_IP6, *map_domain_index, &dpo_v6);
-
- /*
- * Multiple MAP domains may share same source IPv6 TEP. Which is just dandy.
- * We are not tracking the sharing. So a v4 lookup to find the correct
- * domain post decap/trnaslate is always done
- *
- * Create ip6 route. This is a reference counted add. If the prefix
- * already exists and is MAP sourced, it is now MAP source n+1 times
- * and will need to be removed n+1 times.
- */
- u8 ip6_pfx_len;
- ip6_address_t ip6_pfx;
- if (mm->is_ce)
- {
- ip6_pfx_len = d->ip6_prefix_len;
- ip6_pfx = d->ip6_prefix;
- }
- else
- {
- ip6_pfx_len = d->ip6_src_len;
- ip6_pfx = d->ip6_src;
- }
- fib_prefix_t pfx6 = {
- .fp_proto = FIB_PROTOCOL_IP6,
- .fp_len = ip6_pfx_len,
- .fp_addr.ip6 = ip6_pfx,
- };
-
- fib_table_entry_special_dpo_add (0, &pfx6,
- FIB_SOURCE_MAP,
- FIB_ENTRY_FLAG_EXCLUSIVE, &dpo_v6);
- dpo_reset (&dpo_v6);
-
- /* Validate packet/byte counters */
- map_domain_counter_lock (mm);
- int i;
- for (i = 0; i < vec_len (mm->simple_domain_counters); i++)
- {
- vlib_validate_simple_counter (&mm->simple_domain_counters[i],
- *map_domain_index);
- vlib_zero_simple_counter (&mm->simple_domain_counters[i],
- *map_domain_index);
- }
- for (i = 0; i < vec_len (mm->domain_counters); i++)
- {
- vlib_validate_combined_counter (&mm->domain_counters[i],
- *map_domain_index);
- vlib_zero_combined_counter (&mm->domain_counters[i], *map_domain_index);
- }
- map_domain_counter_unlock (mm);
-
- return 0;
-}
-
-/*
- * map_delete_domain
- */
-int
-map_delete_domain (u32 map_domain_index)
-{
- map_main_t *mm = &map_main;
- map_domain_t *d;
-
- if (pool_is_free_index (mm->domains, map_domain_index))
- {
- clib_warning ("MAP domain delete: domain does not exist: %d",
- map_domain_index);
- return -1;
- }
-
- d = pool_elt_at_index (mm->domains, map_domain_index);
-
- fib_prefix_t pfx = {
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_len = d->ip4_prefix_len,
- .fp_addr = {
- .ip4 = d->ip4_prefix,
- }
- ,
- };
- fib_table_entry_special_remove (0, &pfx, FIB_SOURCE_MAP);
-
- fib_prefix_t pfx6 = {
- .fp_proto = FIB_PROTOCOL_IP6,
- .fp_len = d->ip6_src_len,
- .fp_addr = {
- .ip6 = d->ip6_src,
- }
- ,
- };
- fib_table_entry_special_remove (0, &pfx6, FIB_SOURCE_MAP);
-
- /* Deleting rules */
- if (d->rules)
- clib_mem_free (d->rules);
-
- pool_put (mm->domains, d);
-
- return 0;
-}
-
-int
-map_add_del_psid (u32 map_domain_index, u16 psid, ip6_address_t * tep,
- u8 is_add)
-{
- map_domain_t *d;
- map_main_t *mm = &map_main;
-
- if (pool_is_free_index (mm->domains, map_domain_index))
- {
- clib_warning ("MAP rule: domain does not exist: %d", map_domain_index);
- return -1;
- }
- d = pool_elt_at_index (mm->domains, map_domain_index);
-
- /* Rules are only used in 1:1 independent case */
- if (d->ea_bits_len > 0)
- return (-1);
-
- if (!d->rules)
- {
- u32 l = (0x1 << d->psid_length) * sizeof (ip6_address_t);
- d->rules = clib_mem_alloc_aligned (l, CLIB_CACHE_LINE_BYTES);
- if (!d->rules)
- return -1;
- memset (d->rules, 0, l);
- }
-
- if (psid >= (0x1 << d->psid_length))
- {
- clib_warning ("MAP rule: PSID outside bounds: %d [%d]", psid,
- 0x1 << d->psid_length);
- return -1;
- }
-
- if (is_add)
- {
- d->rules[psid] = *tep;
- }
- else
- {
- memset (&d->rules[psid], 0, sizeof (ip6_address_t));
- }
- return 0;
-}
-
-#ifdef MAP_SKIP_IP6_LOOKUP
-/**
- * Pre-resolvd per-protocol global next-hops
- */
-map_main_pre_resolved_t pre_resolved[FIB_PROTOCOL_MAX];
-
-static void
-map_pre_resolve_init (map_main_pre_resolved_t * pr)
-{
- pr->fei = FIB_NODE_INDEX_INVALID;
- fib_node_init (&pr->node, FIB_NODE_TYPE_MAP_E);
-}
-
-static u8 *
-format_map_pre_resolve (u8 * s, va_list * ap)
-{
- map_main_pre_resolved_t *pr = va_arg (*ap, map_main_pre_resolved_t *);
-
- if (FIB_NODE_INDEX_INVALID != pr->fei)
- {
- fib_prefix_t pfx;
-
- fib_entry_get_prefix (pr->fei, &pfx);
-
- return (format (s, "%U (%u)",
- format_ip46_address, &pfx.fp_addr, IP46_TYPE_ANY,
- pr->dpo.dpoi_index));
- }
- else
- {
- return (format (s, "un-set"));
- }
-}
-
-
-/**
- * Function definition to inform the FIB node that its last lock has gone.
- */
-static void
-map_last_lock_gone (fib_node_t * node)
-{
- /*
- * The MAP is a root of the graph. As such
- * it never has children and thus is never locked.
- */
- ASSERT (0);
-}
-
-static map_main_pre_resolved_t *
-map_from_fib_node (fib_node_t * node)
-{
- ASSERT (FIB_NODE_TYPE_MAP_E == node->fn_type);
- return ((map_main_pre_resolved_t *)
- (((char *) node) -
- STRUCT_OFFSET_OF (map_main_pre_resolved_t, node)));
-}
-
-static void
-map_stack (map_main_pre_resolved_t * pr)
-{
- const dpo_id_t *dpo;
-
- dpo = fib_entry_contribute_ip_forwarding (pr->fei);
-
- dpo_copy (&pr->dpo, dpo);
-}
-
-/**
- * Function definition to backwalk a FIB node
- */
-static fib_node_back_walk_rc_t
-map_back_walk (fib_node_t * node, fib_node_back_walk_ctx_t * ctx)
-{
- map_stack (map_from_fib_node (node));
-
- return (FIB_NODE_BACK_WALK_CONTINUE);
-}
-
-/**
- * Function definition to get a FIB node from its index
- */
-static fib_node_t *
-map_fib_node_get (fib_node_index_t index)
-{
- return (&pre_resolved[index].node);
-}
-
-/*
- * Virtual function table registered by MPLS GRE tunnels
- * for participation in the FIB object graph.
- */
-const static fib_node_vft_t map_vft = {
- .fnv_get = map_fib_node_get,
- .fnv_last_lock = map_last_lock_gone,
- .fnv_back_walk = map_back_walk,
-};
-
-static void
-map_fib_resolve (map_main_pre_resolved_t * pr,
- fib_protocol_t proto, u8 len, const ip46_address_t * addr)
-{
- fib_prefix_t pfx = {
- .fp_proto = proto,
- .fp_len = len,
- .fp_addr = *addr,
- };
-
- pr->fei = fib_table_entry_special_add (0, // default fib
- &pfx,
- FIB_SOURCE_RR, FIB_ENTRY_FLAG_NONE);
- pr->sibling = fib_entry_child_add (pr->fei, FIB_NODE_TYPE_MAP_E, proto);
- map_stack (pr);
-}
-
-static void
-map_fib_unresolve (map_main_pre_resolved_t * pr,
- fib_protocol_t proto, u8 len, const ip46_address_t * addr)
-{
- fib_prefix_t pfx = {
- .fp_proto = proto,
- .fp_len = len,
- .fp_addr = *addr,
- };
-
- fib_entry_child_remove (pr->fei, pr->sibling);
-
- fib_table_entry_special_remove (0, // default fib
- &pfx, FIB_SOURCE_RR);
- dpo_reset (&pr->dpo);
-
- pr->fei = FIB_NODE_INDEX_INVALID;
- pr->sibling = FIB_NODE_INDEX_INVALID;
-}
-
-static void
-map_pre_resolve (ip4_address_t * ip4, ip6_address_t * ip6, int is_del)
-{
- if (ip6 && (ip6->as_u64[0] != 0 || ip6->as_u64[1] != 0))
- {
- ip46_address_t addr = {
- .ip6 = *ip6,
- };
- if (is_del)
- map_fib_unresolve (&pre_resolved[FIB_PROTOCOL_IP6],
- FIB_PROTOCOL_IP6, 128, &addr);
- else
- map_fib_resolve (&pre_resolved[FIB_PROTOCOL_IP6],
- FIB_PROTOCOL_IP6, 128, &addr);
- }
- if (ip4 && (ip4->as_u32 != 0))
- {
- ip46_address_t addr = {
- .ip4 = *ip4,
- };
- if (is_del)
- map_fib_unresolve (&pre_resolved[FIB_PROTOCOL_IP4],
- FIB_PROTOCOL_IP4, 32, &addr);
- else
- map_fib_resolve (&pre_resolved[FIB_PROTOCOL_IP4],
- FIB_PROTOCOL_IP4, 32, &addr);
- }
-}
-#endif
-
-static clib_error_t *
-map_security_check_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- map_main_t *mm = &map_main;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "off"))
- mm->sec_check = false;
- else if (unformat (line_input, "on"))
- mm->sec_check = true;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-map_security_check_frag_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- map_main_t *mm = &map_main;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "off"))
- mm->sec_check_frag = false;
- else if (unformat (line_input, "on"))
- mm->sec_check_frag = true;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-map_add_domain_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- ip4_address_t ip4_prefix;
- ip6_address_t ip6_prefix;
- ip6_address_t ip6_src;
- u32 ip6_prefix_len = 0, ip4_prefix_len = 0, map_domain_index, ip6_src_len;
- u32 num_m_args = 0;
- /* Optional arguments */
- u32 ea_bits_len = 0, psid_offset = 0, psid_length = 0;
- u32 mtu = 0;
- u8 flags = 0;
- ip6_src_len = 128;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat
- (line_input, "ip4-pfx %U/%d", unformat_ip4_address, &ip4_prefix,
- &ip4_prefix_len))
- num_m_args++;
- else
- if (unformat
- (line_input, "ip6-pfx %U/%d", unformat_ip6_address, &ip6_prefix,
- &ip6_prefix_len))
- num_m_args++;
- else
- if (unformat
- (line_input, "ip6-src %U/%d", unformat_ip6_address, &ip6_src,
- &ip6_src_len))
- num_m_args++;
- else
- if (unformat
- (line_input, "ip6-src %U", unformat_ip6_address, &ip6_src))
- num_m_args++;
- else if (unformat (line_input, "ea-bits-len %d", &ea_bits_len))
- num_m_args++;
- else if (unformat (line_input, "psid-offset %d", &psid_offset))
- num_m_args++;
- else if (unformat (line_input, "psid-len %d", &psid_length))
- num_m_args++;
- else if (unformat (line_input, "mtu %d", &mtu))
- num_m_args++;
- else if (unformat (line_input, "map-t"))
- flags |= MAP_DOMAIN_TRANSLATION;
- else if (unformat (line_input, "rfc6052"))
- flags |= (MAP_DOMAIN_TRANSLATION | MAP_DOMAIN_RFC6052);
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
- if (num_m_args < 3)
- {
- error = clib_error_return (0, "mandatory argument(s) missing");
- goto done;
- }
-
- map_create_domain (&ip4_prefix, ip4_prefix_len,
- &ip6_prefix, ip6_prefix_len, &ip6_src, ip6_src_len,
- ea_bits_len, psid_offset, psid_length, &map_domain_index,
- mtu, flags);
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-map_del_domain_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- u32 num_m_args = 0;
- u32 map_domain_index;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "index %d", &map_domain_index))
- num_m_args++;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
- if (num_m_args != 1)
- {
- error = clib_error_return (0, "mandatory argument(s) missing");
- goto done;
- }
-
- map_delete_domain (map_domain_index);
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-map_add_rule_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- ip6_address_t tep;
- u32 num_m_args = 0;
- u32 psid = 0, map_domain_index;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "index %d", &map_domain_index))
- num_m_args++;
- else if (unformat (line_input, "psid %d", &psid))
- num_m_args++;
- else
- if (unformat (line_input, "ip6-dst %U", unformat_ip6_address, &tep))
- num_m_args++;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
- if (num_m_args != 3)
- {
- error = clib_error_return (0, "mandatory argument(s) missing");
- goto done;
- }
-
- if (map_add_del_psid (map_domain_index, psid, &tep, 1) != 0)
- {
- error = clib_error_return (0, "Failing to add Mapping Rule");
- goto done;
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-#if MAP_SKIP_IP6_LOOKUP
-static clib_error_t *
-map_pre_resolve_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- ip4_address_t ip4nh, *p_v4 = NULL;
- ip6_address_t ip6nh, *p_v6 = NULL;
- clib_error_t *error = NULL;
- int is_del = 0;
-
- memset (&ip4nh, 0, sizeof (ip4nh));
- memset (&ip6nh, 0, sizeof (ip6nh));
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "ip4-nh %U", unformat_ip4_address, &ip4nh))
- p_v4 = &ip4nh;
- else
- if (unformat (line_input, "ip6-nh %U", unformat_ip6_address, &ip6nh))
- p_v6 = &ip6nh;
- else if (unformat (line_input, "del"))
- is_del = 1;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
- map_pre_resolve (p_v4, p_v6, is_del);
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-#endif
-
-static clib_error_t *
-map_icmp_relay_source_address_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- ip4_address_t icmp_src_address;
- map_main_t *mm = &map_main;
- clib_error_t *error = NULL;
-
- mm->icmp4_src_address.as_u32 = 0;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat
- (line_input, "%U", unformat_ip4_address, &icmp_src_address))
- mm->icmp4_src_address = icmp_src_address;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-map_icmp_unreachables_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- map_main_t *mm = &map_main;
- int num_m_args = 0;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- num_m_args++;
- if (unformat (line_input, "on"))
- mm->icmp6_enabled = true;
- else if (unformat (line_input, "off"))
- mm->icmp6_enabled = false;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
-
- if (num_m_args != 1)
- error = clib_error_return (0, "mandatory argument(s) missing");
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-map_fragment_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- map_main_t *mm = &map_main;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "inner"))
- mm->frag_inner = true;
- else if (unformat (line_input, "outer"))
- mm->frag_inner = false;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-map_fragment_df_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- map_main_t *mm = &map_main;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "on"))
- mm->frag_ignore_df = true;
- else if (unformat (line_input, "off"))
- mm->frag_ignore_df = false;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-map_traffic_class_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- map_main_t *mm = &map_main;
- u32 tc = 0;
- clib_error_t *error = NULL;
-
- mm->tc_copy = false;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "copy"))
- mm->tc_copy = true;
- else if (unformat (line_input, "%x", &tc))
- mm->tc = tc & 0xff;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static char *
-map_flags_to_string (u32 flags)
-{
- if (flags & MAP_DOMAIN_RFC6052)
- return "rfc6052";
- if (flags & MAP_DOMAIN_PREFIX)
- return "prefix";
- if (flags & MAP_DOMAIN_TRANSLATION)
- return "map-t";
- return "";
-}
-
-static u8 *
-format_map_domain (u8 * s, va_list * args)
-{
- map_domain_t *d = va_arg (*args, map_domain_t *);
- bool counters = va_arg (*args, int);
- map_main_t *mm = &map_main;
- ip6_address_t ip6_prefix;
-
- if (d->rules)
- memset (&ip6_prefix, 0, sizeof (ip6_prefix));
- else
- ip6_prefix = d->ip6_prefix;
-
- s = format (s,
- "[%d] ip4-pfx %U/%d ip6-pfx %U/%d ip6-src %U/%d ea_bits_len %d "
- "psid-offset %d psid-len %d mtu %d %s",
- d - mm->domains,
- format_ip4_address, &d->ip4_prefix, d->ip4_prefix_len,
- format_ip6_address, &ip6_prefix, d->ip6_prefix_len,
- format_ip6_address, &d->ip6_src, d->ip6_src_len,
- d->ea_bits_len, d->psid_offset, d->psid_length, d->mtu,
- map_flags_to_string (d->flags));
-
- if (counters)
- {
- map_domain_counter_lock (mm);
- vlib_counter_t v;
- vlib_get_combined_counter (&mm->domain_counters[MAP_DOMAIN_COUNTER_TX],
- d - mm->domains, &v);
- s = format (s, " TX: %lld/%lld", v.packets, v.bytes);
- vlib_get_combined_counter (&mm->domain_counters[MAP_DOMAIN_COUNTER_RX],
- d - mm->domains, &v);
- s = format (s, " RX: %lld/%lld", v.packets, v.bytes);
- map_domain_counter_unlock (mm);
- }
- s = format (s, "\n");
-
- if (d->rules)
- {
- int i;
- ip6_address_t dst;
- for (i = 0; i < (0x1 << d->psid_length); i++)
- {
- dst = d->rules[i];
- if (dst.as_u64[0] == 0 && dst.as_u64[1] == 0)
- continue;
- s = format (s,
- " rule psid: %d ip6-dst %U\n", i, format_ip6_address,
- &dst);
- }
- }
- return s;
-}
-
-static u8 *
-format_map_ip4_reass (u8 * s, va_list * args)
-{
- map_main_t *mm = &map_main;
- map_ip4_reass_t *r = va_arg (*args, map_ip4_reass_t *);
- map_ip4_reass_key_t *k = &r->key;
- f64 now = vlib_time_now (mm->vlib_main);
- f64 lifetime = (((f64) mm->ip4_reass_conf_lifetime_ms) / 1000);
- f64 dt = (r->ts + lifetime > now) ? (r->ts + lifetime - now) : -1;
- s = format (s,
- "ip4-reass src=%U dst=%U protocol=%d identifier=%d port=%d lifetime=%.3lf\n",
- format_ip4_address, &k->src.as_u8, format_ip4_address,
- &k->dst.as_u8, k->protocol,
- clib_net_to_host_u16 (k->fragment_id),
- (r->port >= 0) ? clib_net_to_host_u16 (r->port) : -1, dt);
- return s;
-}
-
-static u8 *
-format_map_ip6_reass (u8 * s, va_list * args)
-{
- map_main_t *mm = &map_main;
- map_ip6_reass_t *r = va_arg (*args, map_ip6_reass_t *);
- map_ip6_reass_key_t *k = &r->key;
- f64 now = vlib_time_now (mm->vlib_main);
- f64 lifetime = (((f64) mm->ip6_reass_conf_lifetime_ms) / 1000);
- f64 dt = (r->ts + lifetime > now) ? (r->ts + lifetime - now) : -1;
- s = format (s,
- "ip6-reass src=%U dst=%U protocol=%d identifier=%d lifetime=%.3lf\n",
- format_ip6_address, &k->src.as_u8, format_ip6_address,
- &k->dst.as_u8, k->protocol,
- clib_net_to_host_u32 (k->fragment_id), dt);
- return s;
-}
-
-static clib_error_t *
-show_map_domain_command_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- map_main_t *mm = &map_main;
- map_domain_t *d;
- bool counters = false;
- u32 map_domain_index = ~0;
- clib_error_t *error = NULL;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "counters"))
- counters = true;
- else if (unformat (line_input, "index %d", &map_domain_index))
- ;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, line_input);
- goto done;
- }
- }
-
- if (pool_elts (mm->domains) == 0)
- vlib_cli_output (vm, "No MAP domains are configured...");
-
- if (map_domain_index == ~0)
- {
- /* *INDENT-OFF* */
- pool_foreach(d, mm->domains, ({vlib_cli_output(vm, "%U", format_map_domain, d, counters);}));
- /* *INDENT-ON* */
- }
- else
- {
- if (pool_is_free_index (mm->domains, map_domain_index))
- {
- error = clib_error_return (0, "MAP domain does not exists %d",
- map_domain_index);
- goto done;
- }
-
- d = pool_elt_at_index (mm->domains, map_domain_index);
- vlib_cli_output (vm, "%U", format_map_domain, d, counters);
- }
-
-done:
- unformat_free (line_input);
-
- return error;
-}
-
-static clib_error_t *
-show_map_fragments_command_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- map_main_t *mm = &map_main;
- map_ip4_reass_t *f4;
- map_ip6_reass_t *f6;
-
- /* *INDENT-OFF* */
- pool_foreach(f4, mm->ip4_reass_pool, ({vlib_cli_output (vm, "%U", format_map_ip4_reass, f4);}));
- /* *INDENT-ON* */
- /* *INDENT-OFF* */
- pool_foreach(f6, mm->ip6_reass_pool, ({vlib_cli_output (vm, "%U", format_map_ip6_reass, f6);}));
- /* *INDENT-ON* */
- return (0);
-}
-
-u64
-map_error_counter_get (u32 node_index, map_error_t map_error)
-{
- vlib_main_t *vm = vlib_get_main ();
- vlib_node_runtime_t *error_node = vlib_node_get_runtime (vm, node_index);
- vlib_error_main_t *em = &vm->error_main;
- vlib_error_t e = error_node->errors[map_error];
- vlib_node_t *n = vlib_get_node (vm, node_index);
- u32 ci;
-
- ci = vlib_error_get_code (e);
- ASSERT (ci < n->n_errors);
- ci += n->error_heap_index;
-
- return (em->counters[ci]);
-}
-
-static clib_error_t *
-show_map_stats_command_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- map_main_t *mm = &map_main;
- map_domain_t *d;
- int domains = 0, rules = 0, domaincount = 0, rulecount = 0;
- if (pool_elts (mm->domains) == 0)
- {
- vlib_cli_output (vm, "No MAP domains are configured...");
- return 0;
- }
-
- /* *INDENT-OFF* */
- pool_foreach(d, mm->domains, ({
- if (d->rules) {
- rulecount+= 0x1 << d->psid_length;
- rules += sizeof(ip6_address_t) * 0x1 << d->psid_length;
- }
- domains += sizeof(*d);
- domaincount++;
- }));
- /* *INDENT-ON* */
-
- vlib_cli_output (vm, "MAP domains structure: %d\n", sizeof (map_domain_t));
- vlib_cli_output (vm, "MAP domains: %d (%d bytes)\n", domaincount, domains);
- vlib_cli_output (vm, "MAP rules: %d (%d bytes)\n", rulecount, rules);
- vlib_cli_output (vm, "Total: %d bytes)\n", rules + domains);
-
-#if MAP_SKIP_IP6_LOOKUP
- vlib_cli_output (vm,
- "MAP pre-resolve: IP6 next-hop: %U, IP4 next-hop: %U\n",
- format_map_pre_resolve, &pre_resolved[FIB_PROTOCOL_IP6],
- format_map_pre_resolve, &pre_resolved[FIB_PROTOCOL_IP4]);
-
-#endif
-
- if (mm->tc_copy)
- vlib_cli_output (vm, "MAP traffic-class: copy");
- else
- vlib_cli_output (vm, "MAP traffic-class: %x", mm->tc);
-
- vlib_cli_output (vm,
- "MAP IPv6 inbound security check: %s, fragmented packet security check: %s",
- mm->sec_check ? "enabled" : "disabled",
- mm->sec_check_frag ? "enabled" : "disabled");
-
- vlib_cli_output (vm, "ICMP-relay IPv4 source address: %U\n",
- format_ip4_address, &mm->icmp4_src_address);
- vlib_cli_output (vm, "ICMP6 unreachables sent for unmatched packets: %s\n",
- mm->icmp6_enabled ? "enabled" : "disabled");
- vlib_cli_output (vm, "Inner fragmentation: %s\n",
- mm->frag_inner ? "enabled" : "disabled");
- vlib_cli_output (vm, "Fragment packets regardless of DF flag: %s\n",
- mm->frag_ignore_df ? "enabled" : "disabled");
-
- /*
- * Counters
- */
- vlib_combined_counter_main_t *cm = mm->domain_counters;
- u64 total_pkts[MAP_N_DOMAIN_COUNTER];
- u64 total_bytes[MAP_N_DOMAIN_COUNTER];
- int which, i;
- vlib_counter_t v;
-
- memset (total_pkts, 0, sizeof (total_pkts));
- memset (total_bytes, 0, sizeof (total_bytes));
-
- map_domain_counter_lock (mm);
- vec_foreach (cm, mm->domain_counters)
- {
- which = cm - mm->domain_counters;
-
- for (i = 0; i < vlib_combined_counter_n_counters (cm); i++)
- {
- vlib_get_combined_counter (cm, i, &v);
- total_pkts[which] += v.packets;
- total_bytes[which] += v.bytes;
- }
- }
- map_domain_counter_unlock (mm);
-
- vlib_cli_output (vm, "Encapsulated packets: %lld bytes: %lld\n",
- total_pkts[MAP_DOMAIN_COUNTER_TX],
- total_bytes[MAP_DOMAIN_COUNTER_TX]);
- vlib_cli_output (vm, "Decapsulated packets: %lld bytes: %lld\n",
- total_pkts[MAP_DOMAIN_COUNTER_RX],
- total_bytes[MAP_DOMAIN_COUNTER_RX]);
-
- vlib_cli_output (vm, "ICMP relayed packets: %d\n",
- vlib_get_simple_counter (&mm->icmp_relayed, 0));
-
- return 0;
-}
-
-static clib_error_t *
-map_params_reass_command_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, *line_input = &_line_input;
- u32 lifetime = ~0;
- f64 ht_ratio = (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1);
- u32 pool_size = ~0;
- u64 buffers = ~(0ull);
- u8 ip4 = 0, ip6 = 0;
-
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "lifetime %u", &lifetime))
- ;
- else if (unformat (line_input, "ht-ratio %lf", &ht_ratio))
- ;
- else if (unformat (line_input, "pool-size %u", &pool_size))
- ;
- else if (unformat (line_input, "buffers %llu", &buffers))
- ;
- else if (unformat (line_input, "ip4"))
- ip4 = 1;
- else if (unformat (line_input, "ip6"))
- ip6 = 1;
- else
- {
- unformat_free (line_input);
- return clib_error_return (0, "invalid input");
- }
- }
- unformat_free (line_input);
-
- if (!ip4 && !ip6)
- return clib_error_return (0, "must specify ip4 and/or ip6");
-
- if (ip4)
- {
- if (pool_size != ~0 && pool_size > MAP_IP4_REASS_CONF_POOL_SIZE_MAX)
- return clib_error_return (0, "invalid ip4-reass pool-size ( > %d)",
- MAP_IP4_REASS_CONF_POOL_SIZE_MAX);
- if (ht_ratio != (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1)
- && ht_ratio > MAP_IP4_REASS_CONF_HT_RATIO_MAX)
- return clib_error_return (0, "invalid ip4-reass ht-ratio ( > %d)",
- MAP_IP4_REASS_CONF_HT_RATIO_MAX);
- if (lifetime != ~0 && lifetime > MAP_IP4_REASS_CONF_LIFETIME_MAX)
- return clib_error_return (0, "invalid ip4-reass lifetime ( > %d)",
- MAP_IP4_REASS_CONF_LIFETIME_MAX);
- if (buffers != ~(0ull) && buffers > MAP_IP4_REASS_CONF_BUFFERS_MAX)
- return clib_error_return (0, "invalid ip4-reass buffers ( > %ld)",
- MAP_IP4_REASS_CONF_BUFFERS_MAX);
- }
-
- if (ip6)
- {
- if (pool_size != ~0 && pool_size > MAP_IP6_REASS_CONF_POOL_SIZE_MAX)
- return clib_error_return (0, "invalid ip6-reass pool-size ( > %d)",
- MAP_IP6_REASS_CONF_POOL_SIZE_MAX);
- if (ht_ratio != (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1)
- && ht_ratio > MAP_IP6_REASS_CONF_HT_RATIO_MAX)
- return clib_error_return (0, "invalid ip6-reass ht-log2len ( > %d)",
- MAP_IP6_REASS_CONF_HT_RATIO_MAX);
- if (lifetime != ~0 && lifetime > MAP_IP6_REASS_CONF_LIFETIME_MAX)
- return clib_error_return (0, "invalid ip6-reass lifetime ( > %d)",
- MAP_IP6_REASS_CONF_LIFETIME_MAX);
- if (buffers != ~(0ull) && buffers > MAP_IP6_REASS_CONF_BUFFERS_MAX)
- return clib_error_return (0, "invalid ip6-reass buffers ( > %ld)",
- MAP_IP6_REASS_CONF_BUFFERS_MAX);
- }
-
- if (ip4)
- {
- u32 reass = 0, packets = 0;
- if (pool_size != ~0)
- {
- if (map_ip4_reass_conf_pool_size (pool_size, &reass, &packets))
- {
- vlib_cli_output (vm, "Could not set ip4-reass pool-size");
- }
- else
- {
- vlib_cli_output (vm,
- "Setting ip4-reass pool-size (destroyed-reassembly=%u , dropped-fragments=%u)",
- reass, packets);
- }
- }
- if (ht_ratio != (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1))
- {
- if (map_ip4_reass_conf_ht_ratio (ht_ratio, &reass, &packets))
- {
- vlib_cli_output (vm, "Could not set ip4-reass ht-log2len");
- }
- else
- {
- vlib_cli_output (vm,
- "Setting ip4-reass ht-log2len (destroyed-reassembly=%u , dropped-fragments=%u)",
- reass, packets);
- }
- }
- if (lifetime != ~0)
- {
- if (map_ip4_reass_conf_lifetime (lifetime))
- vlib_cli_output (vm, "Could not set ip4-reass lifetime");
- else
- vlib_cli_output (vm, "Setting ip4-reass lifetime");
- }
- if (buffers != ~(0ull))
- {
- if (map_ip4_reass_conf_buffers (buffers))
- vlib_cli_output (vm, "Could not set ip4-reass buffers");
- else
- vlib_cli_output (vm, "Setting ip4-reass buffers");
- }
-
- if (map_main.ip4_reass_conf_buffers >
- map_main.ip4_reass_conf_pool_size *
- MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY)
- {
- vlib_cli_output (vm,
- "Note: 'ip4-reass buffers' > pool-size * max-fragments-per-reassembly.");
- }
- }
-
- if (ip6)
- {
- u32 reass = 0, packets = 0;
- if (pool_size != ~0)
- {
- if (map_ip6_reass_conf_pool_size (pool_size, &reass, &packets))
- {
- vlib_cli_output (vm, "Could not set ip6-reass pool-size");
- }
- else
- {
- vlib_cli_output (vm,
- "Setting ip6-reass pool-size (destroyed-reassembly=%u , dropped-fragments=%u)",
- reass, packets);
- }
- }
- if (ht_ratio != (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1))
- {
- if (map_ip6_reass_conf_ht_ratio (ht_ratio, &reass, &packets))
- {
- vlib_cli_output (vm, "Could not set ip6-reass ht-log2len");
- }
- else
- {
- vlib_cli_output (vm,
- "Setting ip6-reass ht-log2len (destroyed-reassembly=%u , dropped-fragments=%u)",
- reass, packets);
- }
- }
- if (lifetime != ~0)
- {
- if (map_ip6_reass_conf_lifetime (lifetime))
- vlib_cli_output (vm, "Could not set ip6-reass lifetime");
- else
- vlib_cli_output (vm, "Setting ip6-reass lifetime");
- }
- if (buffers != ~(0ull))
- {
- if (map_ip6_reass_conf_buffers (buffers))
- vlib_cli_output (vm, "Could not set ip6-reass buffers");
- else
- vlib_cli_output (vm, "Setting ip6-reass buffers");
- }
-
- if (map_main.ip6_reass_conf_buffers >
- map_main.ip6_reass_conf_pool_size *
- MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY)
- {
- vlib_cli_output (vm,
- "Note: 'ip6-reass buffers' > pool-size * max-fragments-per-reassembly.");
- }
- }
-
- return 0;
-}
-
-
-/*
- * packet trace format function
- */
-u8 *
-format_map_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- map_trace_t *t = va_arg (*args, map_trace_t *);
- u32 map_domain_index = t->map_domain_index;
- u16 port = t->port;
-
- s =
- format (s, "MAP domain index: %d L4 port: %u", map_domain_index,
- clib_net_to_host_u16 (port));
-
- return s;
-}
-
-static_always_inline map_ip4_reass_t *
-map_ip4_reass_lookup (map_ip4_reass_key_t * k, u32 bucket, f64 now)
-{
- map_main_t *mm = &map_main;
- u32 ri = mm->ip4_reass_hash_table[bucket];
- while (ri != MAP_REASS_INDEX_NONE)
- {
- map_ip4_reass_t *r = pool_elt_at_index (mm->ip4_reass_pool, ri);
- if (r->key.as_u64[0] == k->as_u64[0] &&
- r->key.as_u64[1] == k->as_u64[1] &&
- now < r->ts + (((f64) mm->ip4_reass_conf_lifetime_ms) / 1000))
- {
- return r;
- }
- ri = r->bucket_next;
- }
- return NULL;
-}
-
-#define map_ip4_reass_pool_index(r) (r - map_main.ip4_reass_pool)
-
-void
-map_ip4_reass_free (map_ip4_reass_t * r, u32 ** pi_to_drop)
-{
- map_main_t *mm = &map_main;
- map_ip4_reass_get_fragments (r, pi_to_drop);
-
- // Unlink in hash bucket
- map_ip4_reass_t *r2 = NULL;
- u32 r2i = mm->ip4_reass_hash_table[r->bucket];
- while (r2i != map_ip4_reass_pool_index (r))
- {
- ASSERT (r2i != MAP_REASS_INDEX_NONE);
- r2 = pool_elt_at_index (mm->ip4_reass_pool, r2i);
- r2i = r2->bucket_next;
- }
- if (r2)
- {
- r2->bucket_next = r->bucket_next;
- }
- else
- {
- mm->ip4_reass_hash_table[r->bucket] = r->bucket_next;
- }
-
- // Unlink in list
- if (r->fifo_next == map_ip4_reass_pool_index (r))
- {
- mm->ip4_reass_fifo_last = MAP_REASS_INDEX_NONE;
- }
- else
- {
- if (mm->ip4_reass_fifo_last == map_ip4_reass_pool_index (r))
- mm->ip4_reass_fifo_last = r->fifo_prev;
- pool_elt_at_index (mm->ip4_reass_pool, r->fifo_prev)->fifo_next =
- r->fifo_next;
- pool_elt_at_index (mm->ip4_reass_pool, r->fifo_next)->fifo_prev =
- r->fifo_prev;
- }
-
- pool_put (mm->ip4_reass_pool, r);
- mm->ip4_reass_allocated--;
-}
-
-map_ip4_reass_t *
-map_ip4_reass_get (u32 src, u32 dst, u16 fragment_id,
- u8 protocol, u32 ** pi_to_drop)
-{
- map_ip4_reass_t *r;
- map_main_t *mm = &map_main;
- map_ip4_reass_key_t k = {.src.data_u32 = src,
- .dst.data_u32 = dst,
- .fragment_id = fragment_id,
- .protocol = protocol
- };
-
- u32 h = 0;
-#ifdef clib_crc32c_uses_intrinsics
- h = clib_crc32c ((u8 *) k.as_u32, 16);
-#else
- u64 tmp = k.as_u32[0] ^ k.as_u32[1] ^ k.as_u32[2] ^ k.as_u32[3];
- h = clib_xxhash (tmp);
-#endif
- h = h >> (32 - mm->ip4_reass_ht_log2len);
-
- f64 now = vlib_time_now (mm->vlib_main);
-
- //Cache garbage collection
- while (mm->ip4_reass_fifo_last != MAP_REASS_INDEX_NONE)
- {
- map_ip4_reass_t *last =
- pool_elt_at_index (mm->ip4_reass_pool, mm->ip4_reass_fifo_last);
- if (last->ts + (((f64) mm->ip4_reass_conf_lifetime_ms) / 1000) < now)
- map_ip4_reass_free (last, pi_to_drop);
- else
- break;
- }
-
- if ((r = map_ip4_reass_lookup (&k, h, now)))
- return r;
-
- if (mm->ip4_reass_allocated >= mm->ip4_reass_conf_pool_size)
- return NULL;
-
- pool_get (mm->ip4_reass_pool, r);
- mm->ip4_reass_allocated++;
- int i;
- for (i = 0; i < MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++)
- r->fragments[i] = ~0;
-
- u32 ri = map_ip4_reass_pool_index (r);
-
- //Link in new bucket
- r->bucket = h;
- r->bucket_next = mm->ip4_reass_hash_table[h];
- mm->ip4_reass_hash_table[h] = ri;
-
- //Link in fifo
- if (mm->ip4_reass_fifo_last != MAP_REASS_INDEX_NONE)
- {
- r->fifo_next =
- pool_elt_at_index (mm->ip4_reass_pool,
- mm->ip4_reass_fifo_last)->fifo_next;
- r->fifo_prev = mm->ip4_reass_fifo_last;
- pool_elt_at_index (mm->ip4_reass_pool, r->fifo_prev)->fifo_next = ri;
- pool_elt_at_index (mm->ip4_reass_pool, r->fifo_next)->fifo_prev = ri;
- }
- else
- {
- r->fifo_next = r->fifo_prev = ri;
- mm->ip4_reass_fifo_last = ri;
- }
-
- //Set other fields
- r->ts = now;
- r->key = k;
- r->port = -1;
-#ifdef MAP_IP4_REASS_COUNT_BYTES
- r->expected_total = 0xffff;
- r->forwarded = 0;
-#endif
-
- return r;
-}
-
-int
-map_ip4_reass_add_fragment (map_ip4_reass_t * r, u32 pi)
-{
- if (map_main.ip4_reass_buffered_counter >= map_main.ip4_reass_conf_buffers)
- return -1;
-
- int i;
- for (i = 0; i < MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++)
- if (r->fragments[i] == ~0)
- {
- r->fragments[i] = pi;
- map_main.ip4_reass_buffered_counter++;
- return 0;
- }
- return -1;
-}
-
-static_always_inline map_ip6_reass_t *
-map_ip6_reass_lookup (map_ip6_reass_key_t * k, u32 bucket, f64 now)
-{
- map_main_t *mm = &map_main;
- u32 ri = mm->ip6_reass_hash_table[bucket];
- while (ri != MAP_REASS_INDEX_NONE)
- {
- map_ip6_reass_t *r = pool_elt_at_index (mm->ip6_reass_pool, ri);
- if (now < r->ts + (((f64) mm->ip6_reass_conf_lifetime_ms) / 1000) &&
- r->key.as_u64[0] == k->as_u64[0] &&
- r->key.as_u64[1] == k->as_u64[1] &&
- r->key.as_u64[2] == k->as_u64[2] &&
- r->key.as_u64[3] == k->as_u64[3] &&
- r->key.as_u64[4] == k->as_u64[4])
- return r;
- ri = r->bucket_next;
- }
- return NULL;
-}
-
-#define map_ip6_reass_pool_index(r) (r - map_main.ip6_reass_pool)
-
-void
-map_ip6_reass_free (map_ip6_reass_t * r, u32 ** pi_to_drop)
-{
- map_main_t *mm = &map_main;
- int i;
- for (i = 0; i < MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++)
- if (r->fragments[i].pi != ~0)
- {
- vec_add1 (*pi_to_drop, r->fragments[i].pi);
- r->fragments[i].pi = ~0;
- map_main.ip6_reass_buffered_counter--;
- }
-
- // Unlink in hash bucket
- map_ip6_reass_t *r2 = NULL;
- u32 r2i = mm->ip6_reass_hash_table[r->bucket];
- while (r2i != map_ip6_reass_pool_index (r))
- {
- ASSERT (r2i != MAP_REASS_INDEX_NONE);
- r2 = pool_elt_at_index (mm->ip6_reass_pool, r2i);
- r2i = r2->bucket_next;
- }
- if (r2)
- {
- r2->bucket_next = r->bucket_next;
- }
- else
- {
- mm->ip6_reass_hash_table[r->bucket] = r->bucket_next;
- }
-
- // Unlink in list
- if (r->fifo_next == map_ip6_reass_pool_index (r))
- {
- //Single element in the list, list is now empty
- mm->ip6_reass_fifo_last = MAP_REASS_INDEX_NONE;
- }
- else
- {
- if (mm->ip6_reass_fifo_last == map_ip6_reass_pool_index (r)) //First element
- mm->ip6_reass_fifo_last = r->fifo_prev;
- pool_elt_at_index (mm->ip6_reass_pool, r->fifo_prev)->fifo_next =
- r->fifo_next;
- pool_elt_at_index (mm->ip6_reass_pool, r->fifo_next)->fifo_prev =
- r->fifo_prev;
- }
-
- // Free from pool if necessary
- pool_put (mm->ip6_reass_pool, r);
- mm->ip6_reass_allocated--;
-}
-
-map_ip6_reass_t *
-map_ip6_reass_get (ip6_address_t * src, ip6_address_t * dst, u32 fragment_id,
- u8 protocol, u32 ** pi_to_drop)
-{
- map_ip6_reass_t *r;
- map_main_t *mm = &map_main;
- map_ip6_reass_key_t k = {
- .src = *src,
- .dst = *dst,
- .fragment_id = fragment_id,
- .protocol = protocol
- };
-
- u32 h = 0;
- int i;
-
-#ifdef clib_crc32c_uses_intrinsics
- h = clib_crc32c ((u8 *) k.as_u32, 40);
-#else
- u64 tmp =
- k.as_u64[0] ^ k.as_u64[1] ^ k.as_u64[2] ^ k.as_u64[3] ^ k.as_u64[4];
- h = clib_xxhash (tmp);
-#endif
-
- h = h >> (32 - mm->ip6_reass_ht_log2len);
-
- f64 now = vlib_time_now (mm->vlib_main);
-
- //Cache garbage collection
- while (mm->ip6_reass_fifo_last != MAP_REASS_INDEX_NONE)
- {
- map_ip6_reass_t *last =
- pool_elt_at_index (mm->ip6_reass_pool, mm->ip6_reass_fifo_last);
- if (last->ts + (((f64) mm->ip6_reass_conf_lifetime_ms) / 1000) < now)
- map_ip6_reass_free (last, pi_to_drop);
- else
- break;
- }
-
- if ((r = map_ip6_reass_lookup (&k, h, now)))
- return r;
-
- if (mm->ip6_reass_allocated >= mm->ip6_reass_conf_pool_size)
- return NULL;
-
- pool_get (mm->ip6_reass_pool, r);
- mm->ip6_reass_allocated++;
- for (i = 0; i < MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++)
- {
- r->fragments[i].pi = ~0;
- r->fragments[i].next_data_len = 0;
- r->fragments[i].next_data_offset = 0;
- }
-
- u32 ri = map_ip6_reass_pool_index (r);
-
- //Link in new bucket
- r->bucket = h;
- r->bucket_next = mm->ip6_reass_hash_table[h];
- mm->ip6_reass_hash_table[h] = ri;
-
- //Link in fifo
- if (mm->ip6_reass_fifo_last != MAP_REASS_INDEX_NONE)
- {
- r->fifo_next =
- pool_elt_at_index (mm->ip6_reass_pool,
- mm->ip6_reass_fifo_last)->fifo_next;
- r->fifo_prev = mm->ip6_reass_fifo_last;
- pool_elt_at_index (mm->ip6_reass_pool, r->fifo_prev)->fifo_next = ri;
- pool_elt_at_index (mm->ip6_reass_pool, r->fifo_next)->fifo_prev = ri;
- }
- else
- {
- r->fifo_next = r->fifo_prev = ri;
- mm->ip6_reass_fifo_last = ri;
- }
-
- //Set other fields
- r->ts = now;
- r->key = k;
- r->ip4_header.ip_version_and_header_length = 0;
-#ifdef MAP_IP6_REASS_COUNT_BYTES
- r->expected_total = 0xffff;
- r->forwarded = 0;
-#endif
- return r;
-}
-
-int
-map_ip6_reass_add_fragment (map_ip6_reass_t * r, u32 pi,
- u16 data_offset, u16 next_data_offset,
- u8 * data_start, u16 data_len)
-{
- map_ip6_fragment_t *f = NULL, *prev_f = NULL;
- u16 copied_len = (data_len > 20) ? 20 : data_len;
-
- if (map_main.ip6_reass_buffered_counter >= map_main.ip6_reass_conf_buffers)
- return -1;
-
- //Lookup for fragments for the current buffer
- //and the one before that
- int i;
- for (i = 0; i < MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++)
- {
- if (data_offset && r->fragments[i].next_data_offset == data_offset)
- {
- prev_f = &r->fragments[i]; // This is buffer for previous packet
- }
- else if (r->fragments[i].next_data_offset == next_data_offset)
- {
- f = &r->fragments[i]; // This is a buffer for the current packet
- }
- else if (r->fragments[i].next_data_offset == 0)
- { //Available
- if (f == NULL)
- f = &r->fragments[i];
- else if (prev_f == NULL)
- prev_f = &r->fragments[i];
- }
- }
-
- if (!f || f->pi != ~0)
- return -1;
-
- if (data_offset)
- {
- if (!prev_f)
- return -1;
-
- clib_memcpy (prev_f->next_data, data_start, copied_len);
- prev_f->next_data_len = copied_len;
- prev_f->next_data_offset = data_offset;
- }
- else
- {
- if (((ip4_header_t *) data_start)->ip_version_and_header_length != 0x45)
- return -1;
-
- if (r->ip4_header.ip_version_and_header_length == 0)
- clib_memcpy (&r->ip4_header, data_start, sizeof (ip4_header_t));
- }
-
- if (data_len > 20)
- {
- f->next_data_offset = next_data_offset;
- f->pi = pi;
- map_main.ip6_reass_buffered_counter++;
- }
- return 0;
-}
-
-void
-map_ip4_reass_reinit (u32 * trashed_reass, u32 * dropped_packets)
-{
- map_main_t *mm = &map_main;
- int i;
-
- if (dropped_packets)
- *dropped_packets = mm->ip4_reass_buffered_counter;
- if (trashed_reass)
- *trashed_reass = mm->ip4_reass_allocated;
- if (mm->ip4_reass_fifo_last != MAP_REASS_INDEX_NONE)
- {
- u16 ri = mm->ip4_reass_fifo_last;
- do
- {
- map_ip4_reass_t *r = pool_elt_at_index (mm->ip4_reass_pool, ri);
- for (i = 0; i < MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++)
- if (r->fragments[i] != ~0)
- map_ip4_drop_pi (r->fragments[i]);
-
- ri = r->fifo_next;
- pool_put (mm->ip4_reass_pool, r);
- }
- while (ri != mm->ip4_reass_fifo_last);
- }
-
- vec_free (mm->ip4_reass_hash_table);
- vec_resize (mm->ip4_reass_hash_table, 1 << mm->ip4_reass_ht_log2len);
- for (i = 0; i < (1 << mm->ip4_reass_ht_log2len); i++)
- mm->ip4_reass_hash_table[i] = MAP_REASS_INDEX_NONE;
- pool_free (mm->ip4_reass_pool);
- pool_alloc (mm->ip4_reass_pool, mm->ip4_reass_conf_pool_size);
-
- mm->ip4_reass_allocated = 0;
- mm->ip4_reass_fifo_last = MAP_REASS_INDEX_NONE;
- mm->ip4_reass_buffered_counter = 0;
-}
-
-u8
-map_get_ht_log2len (f32 ht_ratio, u16 pool_size)
-{
- u32 desired_size = (u32) (pool_size * ht_ratio);
- u8 i;
- for (i = 1; i < 31; i++)
- if ((1 << i) >= desired_size)
- return i;
- return 4;
-}
-
-int
-map_ip4_reass_conf_ht_ratio (f32 ht_ratio, u32 * trashed_reass,
- u32 * dropped_packets)
-{
- map_main_t *mm = &map_main;
- if (ht_ratio > MAP_IP4_REASS_CONF_HT_RATIO_MAX)
- return -1;
-
- map_ip4_reass_lock ();
- mm->ip4_reass_conf_ht_ratio = ht_ratio;
- mm->ip4_reass_ht_log2len =
- map_get_ht_log2len (ht_ratio, mm->ip4_reass_conf_pool_size);
- map_ip4_reass_reinit (trashed_reass, dropped_packets);
- map_ip4_reass_unlock ();
- return 0;
-}
-
-int
-map_ip4_reass_conf_pool_size (u16 pool_size, u32 * trashed_reass,
- u32 * dropped_packets)
-{
- map_main_t *mm = &map_main;
- if (pool_size > MAP_IP4_REASS_CONF_POOL_SIZE_MAX)
- return -1;
-
- map_ip4_reass_lock ();
- mm->ip4_reass_conf_pool_size = pool_size;
- map_ip4_reass_reinit (trashed_reass, dropped_packets);
- map_ip4_reass_unlock ();
- return 0;
-}
-
-int
-map_ip4_reass_conf_lifetime (u16 lifetime_ms)
-{
- map_main.ip4_reass_conf_lifetime_ms = lifetime_ms;
- return 0;
-}
-
-int
-map_ip4_reass_conf_buffers (u32 buffers)
-{
- map_main.ip4_reass_conf_buffers = buffers;
- return 0;
-}
-
-void
-map_ip6_reass_reinit (u32 * trashed_reass, u32 * dropped_packets)
-{
- map_main_t *mm = &map_main;
- if (dropped_packets)
- *dropped_packets = mm->ip6_reass_buffered_counter;
- if (trashed_reass)
- *trashed_reass = mm->ip6_reass_allocated;
- int i;
- if (mm->ip6_reass_fifo_last != MAP_REASS_INDEX_NONE)
- {
- u16 ri = mm->ip6_reass_fifo_last;
- do
- {
- map_ip6_reass_t *r = pool_elt_at_index (mm->ip6_reass_pool, ri);
- for (i = 0; i < MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++)
- if (r->fragments[i].pi != ~0)
- map_ip6_drop_pi (r->fragments[i].pi);
-
- ri = r->fifo_next;
- pool_put (mm->ip6_reass_pool, r);
- }
- while (ri != mm->ip6_reass_fifo_last);
- mm->ip6_reass_fifo_last = MAP_REASS_INDEX_NONE;
- }
-
- vec_free (mm->ip6_reass_hash_table);
- vec_resize (mm->ip6_reass_hash_table, 1 << mm->ip6_reass_ht_log2len);
- for (i = 0; i < (1 << mm->ip6_reass_ht_log2len); i++)
- mm->ip6_reass_hash_table[i] = MAP_REASS_INDEX_NONE;
- pool_free (mm->ip6_reass_pool);
- pool_alloc (mm->ip6_reass_pool, mm->ip4_reass_conf_pool_size);
-
- mm->ip6_reass_allocated = 0;
- mm->ip6_reass_buffered_counter = 0;
-}
-
-int
-map_ip6_reass_conf_ht_ratio (f32 ht_ratio, u32 * trashed_reass,
- u32 * dropped_packets)
-{
- map_main_t *mm = &map_main;
- if (ht_ratio > MAP_IP6_REASS_CONF_HT_RATIO_MAX)
- return -1;
-
- map_ip6_reass_lock ();
- mm->ip6_reass_conf_ht_ratio = ht_ratio;
- mm->ip6_reass_ht_log2len =
- map_get_ht_log2len (ht_ratio, mm->ip6_reass_conf_pool_size);
- map_ip6_reass_reinit (trashed_reass, dropped_packets);
- map_ip6_reass_unlock ();
- return 0;
-}
-
-int
-map_ip6_reass_conf_pool_size (u16 pool_size, u32 * trashed_reass,
- u32 * dropped_packets)
-{
- map_main_t *mm = &map_main;
- if (pool_size > MAP_IP6_REASS_CONF_POOL_SIZE_MAX)
- return -1;
-
- map_ip6_reass_lock ();
- mm->ip6_reass_conf_pool_size = pool_size;
- map_ip6_reass_reinit (trashed_reass, dropped_packets);
- map_ip6_reass_unlock ();
- return 0;
-}
-
-int
-map_ip6_reass_conf_lifetime (u16 lifetime_ms)
-{
- map_main.ip6_reass_conf_lifetime_ms = lifetime_ms;
- return 0;
-}
-
-int
-map_ip6_reass_conf_buffers (u32 buffers)
-{
- map_main.ip6_reass_conf_buffers = buffers;
- return 0;
-}
-
-/* *INDENT-OFF* */
-
-/*?
- * Configure MAP reassembly behaviour
- *
- * @cliexpar
- * @cliexstart{map params reassembly}
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_ip4_reass_lifetime_command, static) = {
- .path = "map params reassembly",
- .short_help = "map params reassembly [ip4 | ip6] [lifetime <lifetime-ms>] "
- "[pool-size <pool-size>] [buffers <buffers>] "
- "[ht-ratio <ht-ratio>]",
- .function = map_params_reass_command_fn,
-};
-
-/*?
- * Set or copy the IP TOS/Traffic Class field
- *
- * @cliexpar
- * @cliexstart{map params traffic-class}
- *
- * This command is used to set the traffic-class field in translated
- * or encapsulated packets. If copy is specifed (the default) then the
- * traffic-class/TOS field is copied from the original packet to the
- * translated / encapsulating header.
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_traffic_class_command, static) = {
- .path = "map params traffic-class",
- .short_help = "map params traffic-class {0x0-0xff | copy}",
- .function = map_traffic_class_command_fn,
-};
-
-/*?
- * Bypass IP4/IP6 lookup
- *
- * @cliexpar
- * @cliexstart{map params pre-resolve}
- *
- * Bypass a second FIB lookup of the translated or encapsulated
- * packet, and forward the packet directly to the specified
- * next-hop. This optimization trades forwarding flexibility for
- * performance.
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_pre_resolve_command, static) = {
- .path = "map params pre-resolve",
- .short_help = " map params pre-resolve {ip4-nh <address>} "
- "| {ip6-nh <address>}",
- .function = map_pre_resolve_command_fn,
-};
-
-/*?
- * Enable or disable the MAP-E inbound security check
- *
- * @cliexpar
- * @cliexstart{map params security-check}
- *
- * By default, a decapsulated packet's IPv4 source address will be
- * verified against the outer header's IPv6 source address. Disabling
- * this feature will allow IPv4 source address spoofing.
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_security_check_command, static) = {
- .path = "map params security-check",
- .short_help = "map params security-check on|off",
- .function = map_security_check_command_fn,
-};
-
-/*?
- * Specifiy the IPv4 source address used for relayed ICMP error messages
- *
- * @cliexpar
- * @cliexstart{map params icmp source-address}
- *
- * This command specifies which IPv4 source address (must be local to
- * the system), that is used for relayed received IPv6 ICMP error
- * messages.
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_icmp_relay_source_address_command, static) = {
- .path = "map params icmp source-address",
- .short_help = "map params icmp source-address <ip4-address>",
- .function = map_icmp_relay_source_address_command_fn,
-};
-
-/*?
- * Send IPv6 ICMP unreachables
- *
- * @cliexpar
- * @cliexstart{map params icmp6 unreachables}
- *
- * Send IPv6 ICMP unreachable messages back if security check fails or
- * no MAP domain exists.
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_icmp_unreachables_command, static) = {
- .path = "map params icmp6 unreachables",
- .short_help = "map params icmp6 unreachables {on|off}",
- .function = map_icmp_unreachables_command_fn,
-};
-
-/*?
- * Configure MAP fragmentation behaviour
- *
- * @cliexpar
- * @cliexstart{map params fragment}
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_fragment_command, static) = {
- .path = "map params fragment",
- .short_help = "map params fragment inner|outer",
- .function = map_fragment_command_fn,
-};
-
-/*?
- * Ignore the IPv4 Don't fragment bit
- *
- * @cliexpar
- * @cliexstart{map params fragment ignore-df}
- *
- * Allows fragmentation of the IPv4 packet even if the DF bit is
- * set. The choice between inner or outer fragmentation of tunnel
- * packets is complicated. The benefit of inner fragmentation is that
- * the ultimate endpoint must reassemble, instead of the tunnel
- * endpoint.
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_fragment_df_command, static) = {
- .path = "map params fragment ignore-df",
- .short_help = "map params fragment ignore-df on|off",
- .function = map_fragment_df_command_fn,
-};
-
-/*?
- * Specifiy if the inbound security check should be done on fragments
- *
- * @cliexpar
- * @cliexstart{map params security-check fragments}
- *
- * Typically the inbound on-decapsulation security check is only done
- * on the first packet. The packet that contains the L4
- * information. While a security check on every fragment is possible,
- * it has a cost. State must be created on the first fragment.
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_security_check_frag_command, static) = {
- .path = "map params security-check fragments",
- .short_help = "map params security-check fragments on|off",
- .function = map_security_check_frag_command_fn,
-};
-
-/*?
- * Add MAP domain
- *
- * @cliexpar
- * @cliexstart{map add domain}
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_add_domain_command, static) = {
- .path = "map add domain",
- .short_help = "map add domain ip4-pfx <ip4-pfx> ip6-pfx <ip6-pfx> "
- "ip6-src <ip6-pfx> ea-bits-len <n> psid-offset <n> psid-len <n> "
- "[map-t] [map-ce] [mtu <mtu>]",
- .function = map_add_domain_command_fn,
-};
-
-/*?
- * Add MAP rule to a domain
- *
- * @cliexpar
- * @cliexstart{map add rule}
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_add_rule_command, static) = {
- .path = "map add rule",
- .short_help = "map add rule index <domain> psid <psid> ip6-dst <ip6-addr>",
- .function = map_add_rule_command_fn,
-};
-
-/*?
- * Delete MAP domain
- *
- * @cliexpar
- * @cliexstart{map del domain}
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(map_del_command, static) = {
- .path = "map del domain",
- .short_help = "map del domain index <domain>",
- .function = map_del_domain_command_fn,
-};
-
-/*?
- * Show MAP domains
- *
- * @cliexpar
- * @cliexstart{show map domain}
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(show_map_domain_command, static) = {
- .path = "show map domain",
- .short_help = "show map domain index <n> [counters]",
- .function = show_map_domain_command_fn,
-};
-
-/*?
- * Show MAP statistics
- *
- * @cliexpar
- * @cliexstart{show map stats}
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(show_map_stats_command, static) = {
- .path = "show map stats",
- .short_help = "show map stats",
- .function = show_map_stats_command_fn,
-};
-
-/*?
- * Show MAP fragmentation information
- *
- * @cliexpar
- * @cliexstart{show map fragments}
- * @cliexend
- ?*/
-VLIB_CLI_COMMAND(show_map_fragments_command, static) = {
- .path = "show map fragments",
- .short_help = "show map fragments",
- .function = show_map_fragments_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-map_config (vlib_main_t * vm, unformat_input_t * input)
-{
- map_main_t *mm = &map_main;
- u8 is_ce = false;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "customer edge"))
- is_ce = true;
- else
- return clib_error_return (0, "unknown input '%U'",
- format_unformat_error, input);
- }
-
- mm->is_ce = is_ce;
-
- return 0;
-}
-
-VLIB_CONFIG_FUNCTION (map_config, "map");
-
-/*
- * map_init
- */
-clib_error_t *
-map_init (vlib_main_t * vm)
-{
- map_main_t *mm = &map_main;
- mm->vnet_main = vnet_get_main ();
- mm->vlib_main = vm;
-
-#ifdef MAP_SKIP_IP6_LOOKUP
- fib_protocol_t proto;
-
- FOR_EACH_FIB_PROTOCOL (proto)
- {
- map_pre_resolve_init (&pre_resolved[proto]);
- }
-#endif
-
- /* traffic class */
- mm->tc = 0;
- mm->tc_copy = true;
-
- /* Inbound security check */
- mm->sec_check = true;
- mm->sec_check_frag = false;
-
- /* ICMP6 Type 1, Code 5 for security check failure */
- mm->icmp6_enabled = false;
-
- mm->is_ce = false;
-
- /* Inner or outer fragmentation */
- mm->frag_inner = false;
- mm->frag_ignore_df = false;
-
- vec_validate (mm->domain_counters, MAP_N_DOMAIN_COUNTER - 1);
- mm->domain_counters[MAP_DOMAIN_COUNTER_RX].name = "rx";
- mm->domain_counters[MAP_DOMAIN_COUNTER_TX].name = "tx";
-
- vlib_validate_simple_counter (&mm->icmp_relayed, 0);
- vlib_zero_simple_counter (&mm->icmp_relayed, 0);
-
- /* IP4 virtual reassembly */
- mm->ip4_reass_hash_table = 0;
- mm->ip4_reass_pool = 0;
- mm->ip4_reass_lock =
- clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
- *mm->ip4_reass_lock = 0;
- mm->ip4_reass_conf_ht_ratio = MAP_IP4_REASS_HT_RATIO_DEFAULT;
- mm->ip4_reass_conf_lifetime_ms = MAP_IP4_REASS_LIFETIME_DEFAULT;
- mm->ip4_reass_conf_pool_size = MAP_IP4_REASS_POOL_SIZE_DEFAULT;
- mm->ip4_reass_conf_buffers = MAP_IP4_REASS_BUFFERS_DEFAULT;
- mm->ip4_reass_ht_log2len =
- map_get_ht_log2len (mm->ip4_reass_conf_ht_ratio,
- mm->ip4_reass_conf_pool_size);
- mm->ip4_reass_fifo_last = MAP_REASS_INDEX_NONE;
- map_ip4_reass_reinit (NULL, NULL);
-
- /* IP6 virtual reassembly */
- mm->ip6_reass_hash_table = 0;
- mm->ip6_reass_pool = 0;
- mm->ip6_reass_lock =
- clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
- *mm->ip6_reass_lock = 0;
- mm->ip6_reass_conf_ht_ratio = MAP_IP6_REASS_HT_RATIO_DEFAULT;
- mm->ip6_reass_conf_lifetime_ms = MAP_IP6_REASS_LIFETIME_DEFAULT;
- mm->ip6_reass_conf_pool_size = MAP_IP6_REASS_POOL_SIZE_DEFAULT;
- mm->ip6_reass_conf_buffers = MAP_IP6_REASS_BUFFERS_DEFAULT;
- mm->ip6_reass_ht_log2len =
- map_get_ht_log2len (mm->ip6_reass_conf_ht_ratio,
- mm->ip6_reass_conf_pool_size);
- mm->ip6_reass_fifo_last = MAP_REASS_INDEX_NONE;
- map_ip6_reass_reinit (NULL, NULL);
-
-#ifdef MAP_SKIP_IP6_LOOKUP
- fib_node_register_type (FIB_NODE_TYPE_MAP_E, &map_vft);
-#endif
- map_dpo_module_init ();
-
- return 0;
-}
-
-VLIB_INIT_FUNCTION (map_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */