/*
*------------------------------------------------------------------
* 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/ip/ip_types_api.h>
#include <map/map.h>
#include <map/map.api_enum.h>
#include <map/map.api_types.h>
#include <vnet/ip/ip.h>
#include <vnet/ip/reass/ip4_sv_reass.h>
#include <vnet/ip/reass/ip6_sv_reass.h>
#include <vnet/ip/reass/ip6_full_reass.h>
#include <vnet/fib/fib_table.h>
#include <vlibmemory/api.h>
#define REPLY_MSG_ID_BASE mm->msg_id_base
#include <vlibapi/api_helper_macros.h>
static void
vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_add_domain_reply_t *rmp;
int rv = 0;
u32 index;
u8 flags = 0;
mp->tag[ARRAY_LEN (mp->tag) - 1] = '\0';
rv =
map_create_domain ((ip4_address_t *) & mp->ip4_prefix.address,
mp->ip4_prefix.len,
(ip6_address_t *) & mp->ip6_prefix.address,
mp->ip6_prefix.len,
(ip6_address_t *) & mp->ip6_src.address,
mp->ip6_src.len, mp->ea_bits_len, mp->psid_offset,
mp->psid_length, &index, mp->mtu, flags, mp->tag);
REPLY_MACRO2_END(VL_API_MAP_ADD_DOMAIN_REPLY,
({
rmp->index = index;
}));
}
static void
vl_api_map_del_domain_t_handler (vl_api_map_del_domain_t * mp)
{
map_main_t *mm = &map_main;
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)
{
map_main_t *mm = &map_main;
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
send_domain_details (u32 map_domain_index, vl_api_registration_t * rp,
u32 context)
{
map_main_t *mm = &map_main;
vl_api_map_domain_details_t *rmp;
map_domain_t *d = pool_elt_at_index (mm->domains, map_domain_index);
/* Make sure every field is initiated (or don't skip the clib_memset()) */
map_domain_extra_t *de =
vec_elt_at_index (mm->domain_extras, map_domain_index);
int tag_len = clib_min (ARRAY_LEN (rmp->tag), vec_len (de->tag) + 1);
REPLY_MACRO_DETAILS4(VL_API_MAP_DOMAIN_DETAILS, rp, context,
({
rmp->domain_index = htonl (map_domain_index);
clib_memcpy (&rmp->ip6_prefix.address, &d->ip6_prefix,
sizeof (rmp->ip6_prefix.address));
clib_memcpy (&rmp->ip4_prefix.address, &d->ip4_prefix,
sizeof (rmp->ip4_prefix.address));
clib_memcpy (&rmp->ip6_src.address, &d->ip6_src,
sizeof (rmp->ip6_src.address));
rmp->ip6_prefix.len = d->ip6_prefix_len;
rmp->ip4_prefix.len = d->ip4_prefix_len;
rmp->ip6_src.len = d->ip6_src_len;
rmp->ea_bits_len = d->ea_bits_len;
rmp->psid_offset = d->psid_offset;
rmp->psid_length = d->psid_length;
rmp->flags = d->flags;
rmp->mtu = htons (d->mtu);
memcpy (rmp->tag, de->tag, tag_len - 1);
rmp->tag[tag_len - 1] = '\0';
}));
}
static void
vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp)
{
map_main_t *mm = &map_main;
int i;
vl_api_registration_t *reg;
if (pool_elts (mm->domains) == 0)
return;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach_index (i, mm->domains)
{
send_domain_details(i, reg, mp->context);
}
}
static void
vl_api_map_domains_get_t_handler (vl_api_map_domains_get_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_domains_get_reply_t *rmp;
i32 rv = 0;
REPLY_AND_DETAILS_MACRO (VL_API_MAP_DOMAINS_GET_REPLY, mm->domains,
({
send_domain_details (cursor, rp, mp->context);
}));
}
static void
vl_api_map_rule_dump_t_handler (vl_api_map_rule_dump_t * mp)
{
vl_api_registration_t *reg;
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;
}
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
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));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_MAP_RULE_DETAILS + mm->msg_id_base);
rmp->psid = htons (i);
clib_memcpy (&rmp->ip6_dst, &dst, sizeof (rmp->ip6_dst));
rmp->context = mp->context;
vl_api_send_msg (reg, (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;
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id = htons (VL_API_MAP_SUMMARY_STATS_REPLY + mm->msg_id_base);
rmp->context = mp->context;
rmp->retval = 0;
if (pool_elts (mm->domains) == 0)
{
rmp->retval = -1;
goto out;
}
clib_memset (total_pkts, 0, sizeof (total_pkts));
clib_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_api_send_msg (reg, (u8 *) rmp);
}
int
map_param_set_fragmentation (bool inner, bool ignore_df)
{
map_main_t *mm = &map_main;
mm->frag_inner = ! !inner;
mm->frag_ignore_df = ! !ignore_df;
return 0;
}
static void
vl_api_map_param_set_fragmentation_t_handler
(vl_api_map_param_set_fragmentation_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_param_set_fragmentation_reply_t *rmp;
int rv = 0;
rv = map_param_set_fragmentation (mp->inner, mp->ignore_df);
REPLY_MACRO (VL_API_MAP_PARAM_SET_FRAGMENTATION_REPLY);
}
int
map_param_set_icmp (ip4_address_t * icmp_src_address)
{
map_main_t *mm = &map_main;
if (icmp_src_address == 0)
return -1;
mm->icmp4_src_address = *icmp_src_address;
return 0;
}
static void
vl_api_map_param_set_icmp_t_handler (vl_api_map_param_set_icmp_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_param_set_icmp_reply_t *rmp;
int rv;
rv = map_param_set_icmp ((ip4_address_t *) & mp->ip4_err_relay_src);
REPLY_MACRO (VL_API_MAP_PARAM_SET_ICMP_REPLY);
}
int
map_param_set_icmp6 (u8 enable_unreachable)
{
map_main_t *mm = &map_main;
mm->icmp6_enabled = ! !enable_unreachable;
return 0;
}
static void
vl_api_map_param_set_icmp6_t_handler (vl_api_map_param_set_icmp6_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_param_set_icmp6_reply_t *rmp;
int rv;
rv = map_param_set_icmp6 (mp->enable_unreachable);
REPLY_MACRO (VL_API_MAP_PARAM_SET_ICMP6_REPLY);
}
static void
vl_api_map_param_add_del_pre_resolve_t_handler
(vl_api_map_param_add_del_pre_resolve_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_param_add_del_pre_resolve_reply_t *rmp;
int rv = 0;
map_pre_resolve ((ip4_address_t *) & mp->ip4_nh_address,
(ip6_address_t *) & mp->ip6_nh_address, !mp->is_add);
REPLY_MACRO (VL_API_MAP_PARAM_ADD_DEL_PRE_RESOLVE_REPLY);
}
int
map_param_set_security_check (bool enable, bool fragments)
{
map_main_t *mm = &map_main;
mm->sec_check = ! !enable;
mm->sec_check_frag = ! !fragments;
return 0;
}
static void
vl_api_map_param_set_security_check_t_handler
(vl_api_map_param_set_security_check_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_param_set_security_check_reply_t *rmp;
int rv;
rv = map_param_set_security_check (mp->enable, mp->fragments);
REPLY_MACRO (VL_API_MAP_PARAM_SET_SECURITY_CHECK_REPLY);
}
int
map_param_set_traffic_class (bool copy, u8 tc)
{
map_main_t *mm = &map_main;
mm->tc_copy = ! !copy;
mm->tc = tc;
return 0;
}
static void
vl_api_map_param_set_traffic_class_t_handler
(vl_api_map_param_set_traffic_class_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_param_set_traffic_class_reply_t *rmp;
int rv;
rv = map_param_set_traffic_class (mp->copy, mp->tc_class);
REPLY_MACRO (VL_API_MAP_PARAM_SET_TRAFFIC_CLASS_REPLY);
}
int
map_param_set_tcp (u16 tcp_mss)
{
map_main_t *mm = &map_main;
mm->tcp_mss = tcp_mss;
return 0;
}
static void
vl_api_map_param_set_tcp_t_handler (vl_api_map_param_set_tcp_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_param_set_tcp_reply_t *rmp;
int rv = 0;
map_param_set_tcp (ntohs (mp->tcp_mss));
REPLY_MACRO (VL_API_MAP_PARAM_SET_TCP_REPLY);
}
static void
vl_api_map_param_get_t_handler (vl_api_map_param_get_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_param_get_reply_t *rmp;
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id = htons (VL_API_MAP_PARAM_GET_REPLY + mm->msg_id_base);
rmp->context = mp->context;
rmp->retval = 0;
rmp->frag_inner = mm->frag_inner;
rmp->frag_ignore_df = mm->frag_ignore_df;
clib_memcpy (&rmp->icmp_ip4_err_relay_src,
&mm->icmp4_src_address, sizeof (rmp->icmp_ip4_err_relay_src));
rmp->icmp6_enable_unreachable = mm->icmp6_enabled;
/*
* FIXME: How are these addresses re-extracted from the FIB?
* Or should a local map_main copy be kept?
*/
clib_memset (&rmp->ip4_nh_address, 0, sizeof (rmp->ip4_nh_address));
clib_memset (&rmp->ip6_nh_address, 0, sizeof (rmp->ip6_nh_address));
rmp->sec_check_enable = mm->sec_check;
rmp->sec_check_fragments = mm->sec_check_frag;
rmp->tc_copy = mm->tc_copy;
rmp->tc_class = mm->tc;
vl_api_send_msg (reg, (u8 *) rmp);
}
int
map_if_enable_disable (bool is_enable, u32 sw_if_index, bool is_translation)
{
map_main_t *mm = &map_main;
if (pool_is_free_index (mm->vnet_main->interface_main.sw_interfaces,
sw_if_index))
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
is_enable = ! !is_enable;
if (is_translation)
{
if (clib_bitmap_get (mm->bm_trans_enabled_by_sw_if, sw_if_index)
== is_enable)
return 0;
}
else
{
if (clib_bitmap_get (mm->bm_encap_enabled_by_sw_if, sw_if_index)
== is_enable)
return 0;
}
if (is_translation == false)
{
ip4_sv_reass_enable_disable_with_refcnt (sw_if_index, is_enable);
ip6_full_reass_enable_disable_with_refcnt (sw_if_index, is_enable);
vnet_feature_enable_disable ("ip4-unicast", "ip4-map", sw_if_index,
is_enable ? 1 : 0, 0, 0);
vnet_feature_enable_disable ("ip6-unicast", "ip6-map", sw_if_index,
is_enable ? 1 : 0, 0, 0);
mm->bm_encap_enabled_by_sw_if =
clib_bitmap_set (mm->bm_encap_enabled_by_sw_if, sw_if_index,
is_enable);
}
else
{
ip4_sv_reass_enable_disable_with_refcnt (sw_if_index, is_enable);
ip6_sv_reass_enable_disable_with_refcnt (sw_if_index, is_enable);
vnet_feature_enable_disable ("ip4-unicast", "ip4-map-t", sw_if_index,
is_enable ? 1 : 0, 0, 0);
vnet_feature_enable_disable ("ip6-unicast", "ip6-map-t", sw_if_index,
is_enable ? 1 : 0, 0, 0);
mm->bm_trans_enabled_by_sw_if =
clib_bitmap_set (mm->bm_trans_enabled_by_sw_if, sw_if_index,
is_enable);
}
return 0;
}
static void
vl_api_map_if_enable_disable_t_handler (vl_api_map_if_enable_disable_t * mp)
{
map_main_t *mm = &map_main;
vl_api_map_if_enable_disable_reply_t *rmp;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
rv =
map_if_enable_disable (mp->is_enable, htonl (mp->sw_if_index),
mp->is_translation);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_MAP_IF_ENABLE_DISABLE_REPLY);
}
/* API definitions */
#include <vnet/format_fns.h>
#include <map/map.api.c>
/* Set up the API message handling tables */
clib_error_t *
map_plugin_api_hookup (vlib_main_t * vm)
{
map_main_t *mm = &map_main;
mm->msg_id_base = setup_message_id_table ();
return 0;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
