diff options
Diffstat (limited to 'src/vnet/map/map.c')
| -rw-r--r-- | src/vnet/map/map.c | 2363 |
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: - */ |