blob: 8ff73ec71e20d1369920dc7a04ebea0998cae432 [file] [log] [blame]
/*
*------------------------------------------------------------------
* map_api.c - vnet map api
*
* Copyright (c) 2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*------------------------------------------------------------------
*/
#include <vnet/vnet.h>
#include <vlibmemory/api.h>
#include "map.h"
#include <vnet/api_errno.h>
#include <vnet/ip/ip.h>
#include <vnet/fib/fib_table.h>
#include <vnet/vnet_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vnet/vnet_all_api_h.h>
#undef vl_printfun
#include <vlibapi/api_helper_macros.h>
#define foreach_vpe_api_msg \
_(MAP_ADD_DOMAIN, map_add_domain) \
_(MAP_DEL_DOMAIN, map_del_domain) \
_(MAP_ADD_DEL_RULE, map_add_del_rule) \
_(MAP_DOMAIN_DUMP, map_domain_dump) \
_(MAP_RULE_DUMP, map_rule_dump) \
_(MAP_SUMMARY_STATS, map_summary_stats)
static void
vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp)
{
vl_api_map_add_domain_reply_t *rmp;
int rv = 0;
u32 index;
u8 flags = 0;
if (mp->is_translation)
flags |= MAP_DOMAIN_TRANSLATION;
if (mp->is_rfc6052)
flags |= MAP_DOMAIN_RFC6052;
rv =
map_create_domain ((ip4_address_t *) & mp->ip4_prefix, mp->ip4_prefix_len,
(ip6_address_t *) & mp->ip6_prefix, mp->ip6_prefix_len,
(ip6_address_t *) & mp->ip6_src,
mp->ip6_src_prefix_len, mp->ea_bits_len,
mp->psid_offset, mp->psid_length, &index,
ntohs (mp->mtu), flags);
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY,
({
rmp->index = ntohl(index);
}));
/* *INDENT-ON* */
}
static void
vl_api_map_del_domain_t_handler (vl_api_map_del_domain_t * mp)
{
vl_api_map_del_domain_reply_t *rmp;
int rv = 0;
rv = map_delete_domain (ntohl (mp->index));
REPLY_MACRO (VL_API_MAP_DEL_DOMAIN_REPLY);
}
static void
vl_api_map_add_del_rule_t_handler (vl_api_map_add_del_rule_t * mp)
{
vl_api_map_del_domain_reply_t *rmp;
int rv = 0;
rv =
map_add_del_psid (ntohl (mp->index), ntohs (mp->psid),
(ip6_address_t *) mp->ip6_dst, mp->is_add);
REPLY_MACRO (VL_API_MAP_ADD_DEL_RULE_REPLY);
}
static void
vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp)
{
vl_api_map_domain_details_t *rmp;
map_main_t *mm = &map_main;
map_domain_t *d;
svm_queue_t *q;
if (pool_elts (mm->domains) == 0)
return;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
{
return;
}
/* *INDENT-OFF* */
pool_foreach(d, mm->domains,
({
/* Make sure every field is initiated (or don't skip the memset()) */
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id = ntohs(VL_API_MAP_DOMAIN_DETAILS);
rmp->domain_index = htonl(d - mm->domains);
rmp->ea_bits_len = d->ea_bits_len;
rmp->psid_offset = d->psid_offset;
rmp->psid_length = d->psid_length;
clib_memcpy(rmp->ip4_prefix, &d->ip4_prefix, sizeof(rmp->ip4_prefix));
rmp->ip4_prefix_len = d->ip4_prefix_len;
clib_memcpy(rmp->ip6_prefix, &d->ip6_prefix, sizeof(rmp->ip6_prefix));
rmp->ip6_prefix_len = d->ip6_prefix_len;
clib_memcpy(rmp->ip6_src, &d->ip6_src, sizeof(rmp->ip6_src));
rmp->ip6_src_len = d->ip6_src_len;
rmp->mtu = htons(d->mtu);
rmp->is_translation = (d->flags & MAP_DOMAIN_TRANSLATION);
rmp->context = mp->context;
vl_msg_api_send_shmem (q, (u8 *)&rmp);
}));
/* *INDENT-ON* */
}
static void
vl_api_map_rule_dump_t_handler (vl_api_map_rule_dump_t * mp)
{
svm_queue_t *q;
u16 i;
ip6_address_t dst;
vl_api_map_rule_details_t *rmp;
map_main_t *mm = &map_main;
u32 domain_index = ntohl (mp->domain_index);
map_domain_t *d;
if (pool_elts (mm->domains) == 0)
return;
d = pool_elt_at_index (mm->domains, domain_index);
if (!d || !d->rules)
{
return;
}
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
{
return;
}
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;
}
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_MAP_RULE_DETAILS);
rmp->psid = htons (i);
clib_memcpy (rmp->ip6_dst, &dst, sizeof (rmp->ip6_dst));
rmp->context = mp->context;
vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
}
static void
vl_api_map_summary_stats_t_handler (vl_api_map_summary_stats_t * mp)
{
vl_api_map_summary_stats_reply_t *rmp;
vlib_combined_counter_main_t *cm;
vlib_counter_t v;
int i, which;
u64 total_pkts[VLIB_N_RX_TX];
u64 total_bytes[VLIB_N_RX_TX];
map_main_t *mm = &map_main;
svm_queue_t *q = vl_api_client_index_to_input_queue (mp->client_index);
if (!q)
return;
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_MAP_SUMMARY_STATS_REPLY);
rmp->context = mp->context;
rmp->retval = 0;
if (pool_elts (mm->domains) == 0)
{
rmp->retval = -1;
goto out;
}
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);
/* Note: in network byte order! */
rmp->total_pkts[MAP_DOMAIN_COUNTER_RX] =
clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_RX]);
rmp->total_bytes[MAP_DOMAIN_COUNTER_RX] =
clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_RX]);
rmp->total_pkts[MAP_DOMAIN_COUNTER_TX] =
clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_TX]);
rmp->total_bytes[MAP_DOMAIN_COUNTER_TX] =
clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_TX]);
rmp->total_bindings = clib_host_to_net_u64 (pool_elts (mm->domains));
rmp->total_ip4_fragments = 0; // Not yet implemented. Should be a simple counter.
rmp->total_security_check[MAP_DOMAIN_COUNTER_TX] =
clib_host_to_net_u64 (map_error_counter_get
(ip4_map_node.index, MAP_ERROR_ENCAP_SEC_CHECK));
rmp->total_security_check[MAP_DOMAIN_COUNTER_RX] =
clib_host_to_net_u64 (map_error_counter_get
(ip4_map_node.index, MAP_ERROR_DECAP_SEC_CHECK));
out:
vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
/*
* vpe_api_hookup
* Add vpe's API message handlers to the table.
* vlib has alread mapped shared memory and
* added the client registration handlers.
* See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
*/
#define vl_msg_name_crc_list
#include <vnet/vnet_all_api_h.h>
#undef vl_msg_name_crc_list
static void
setup_message_id_table (api_main_t * am)
{
#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
foreach_vl_msg_name_crc_map;
#undef _
}
static clib_error_t *
map_api_hookup (vlib_main_t * vm)
{
api_main_t *am = &api_main;
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_vpe_api_msg;
#undef _
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
return 0;
}
VLIB_API_INIT_FUNCTION (map_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/