Gitiles
Code Review Sign In
gerrit.nordix.org / fdio / vpp / 7b3339efffb25eacea89d1fb7673bb3647e952f2 / . / src / vnet / ip / ip_api.c
blob: 644b4988abcbc56c34cc403245678e8580dc2999 [file] [log] [blame]
/*
*------------------------------------------------------------------
* ip_api.c - vnet ip 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 <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ethernet/ethernet_types_api.h>
#include <vnet/ip/ip.h>
#include <vnet/ip/ip_types_api.h>
#include <vnet/ip/ip_punt_drop.h>
#include <vnet/ip/ip_types_api.h>
#include <vnet/ip/ip_path_mtu.h>
#include <vnet/fib/fib_table.h>
#include <vnet/fib/fib_api.h>
#include <vnet/ethernet/arp_packet.h>
#include <vnet/mfib/ip6_mfib.h>
#include <vnet/mfib/ip4_mfib.h>
#include <vnet/mfib/mfib_signal.h>
#include <vnet/mfib/mfib_entry.h>
#include <vnet/mfib/mfib_api.h>
#include <vnet/ip/ip_source_and_port_range_check.h>
#include <vnet/fib/fib_path_list.h>
#include <vnet/ip/ip6_hop_by_hop.h>
#include <vnet/ip/ip6_link.h>
#include <vnet/ip/reass/ip4_sv_reass.h>
#include <vnet/ip/reass/ip4_full_reass.h>
#include <vnet/ip/reass/ip6_sv_reass.h>
#include <vnet/ip/reass/ip6_full_reass.h>
#include <vnet/ip/ip_table.h>
#include <vnet/ip/ip_container_proxy.h>
#include <vnet/format_fns.h>
#include <vnet/ip/ip.api_enum.h>
#include <vnet/ip/ip.api_types.h>
#define REPLY_MSG_ID_BASE ip4_main.msg_id_base
#include <vlibapi/api_helper_macros.h>
static void
vl_api_sw_interface_ip6_enable_disable_t_handler
(vl_api_sw_interface_ip6_enable_disable_t * mp)
{
vl_api_sw_interface_ip6_enable_disable_reply_t *rmp;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
rv = ((mp->enable == 1) ?
ip6_link_enable (ntohl (mp->sw_if_index), NULL) :
ip6_link_disable (ntohl (mp->sw_if_index)));
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
}
static void
send_ip_table_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
u32 context, const fib_table_t * table)
{
vl_api_ip_table_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
if (!mp)
return;
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_TABLE_DETAILS);
mp->context = context;
mp->table.is_ip6 = (table->ft_proto == FIB_PROTOCOL_IP6);
mp->table.table_id = htonl (table->ft_table_id);
memcpy (mp->table.name, table->ft_desc,
clib_min (vec_len (table->ft_desc), sizeof (mp->table.name)));
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_ip_table_dump_t_handler (vl_api_ip_table_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vl_api_registration_t *reg;
fib_table_t *fib_table;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach (fib_table, ip4_main.fibs)
{
send_ip_table_details(am, reg, mp->context, fib_table);
}
pool_foreach (fib_table, ip6_main.fibs)
{
/* don't send link locals */
if (fib_table->ft_flags & FIB_TABLE_FLAG_IP6_LL)
continue;
send_ip_table_details(am, reg, mp->context, fib_table);
}
}
typedef struct vl_api_ip_fib_dump_walk_ctx_t_
{
fib_node_index_t *feis;
} vl_api_ip_fib_dump_walk_ctx_t;
static fib_table_walk_rc_t
vl_api_ip_fib_dump_walk (fib_node_index_t fei, void *arg)
{
vl_api_ip_fib_dump_walk_ctx_t *ctx = arg;
vec_add1 (ctx->feis, fei);
return (FIB_TABLE_WALK_CONTINUE);
}
static void
send_ip_route_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
u32 context, fib_node_index_t fib_entry_index)
{
fib_route_path_t *rpaths, *rpath;
vl_api_ip_route_details_t *mp;
const fib_prefix_t *pfx;
vl_api_fib_path_t *fp;
int path_count;
rpaths = NULL;
pfx = fib_entry_get_prefix (fib_entry_index);
rpaths = fib_entry_encode (fib_entry_index);
path_count = vec_len (rpaths);
mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
if (!mp)
return;
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_ROUTE_DETAILS);
mp->context = context;
ip_prefix_encode (pfx, &mp->route.prefix);
mp->route.table_id =
htonl (fib_table_get_table_id
(fib_entry_get_fib_index (fib_entry_index), pfx->fp_proto));
mp->route.n_paths = path_count;
mp->route.stats_index =
htonl (fib_table_entry_get_stats_index
(fib_entry_get_fib_index (fib_entry_index), pfx));
fp = mp->route.paths;
vec_foreach (rpath, rpaths)
{
fib_api_path_encode (rpath, fp);
fp++;
}
vl_api_send_msg (reg, (u8 *) mp);
vec_free (rpaths);
}
static void
send_ip_route_v2_details (vpe_api_main_t *am, vl_api_registration_t *reg,
u32 context, fib_node_index_t fib_entry_index)
{
fib_route_path_t *rpaths, *rpath;
vl_api_ip_route_v2_details_t *mp;
const fib_prefix_t *pfx;
vl_api_fib_path_t *fp;
int path_count;
rpaths = NULL;
pfx = fib_entry_get_prefix (fib_entry_index);
rpaths = fib_entry_encode (fib_entry_index);
path_count = vec_len (rpaths);
mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
if (!mp)
return;
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_ROUTE_V2_DETAILS);
mp->context = context;
ip_prefix_encode (pfx, &mp->route.prefix);
mp->route.table_id = htonl (fib_table_get_table_id (
fib_entry_get_fib_index (fib_entry_index), pfx->fp_proto));
mp->route.n_paths = path_count;
mp->route.src = fib_entry_get_best_source (fib_entry_index);
mp->route.stats_index = htonl (fib_table_entry_get_stats_index (
fib_entry_get_fib_index (fib_entry_index), pfx));
fp = mp->route.paths;
vec_foreach (rpath, rpaths)
{
fib_api_path_encode (rpath, fp);
fp++;
}
vl_api_send_msg (reg, (u8 *) mp);
vec_free (rpaths);
}
typedef struct apt_ip6_fib_show_ctx_t_
{
fib_node_index_t *entries;
} api_ip6_fib_show_ctx_t;
static void
vl_api_ip_route_dump_t_handler (vl_api_ip_route_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
fib_node_index_t *fib_entry_index;
vl_api_registration_t *reg;
fib_protocol_t fproto;
u32 fib_index;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
vl_api_ip_fib_dump_walk_ctx_t ctx = {
.feis = NULL,
};
fproto = (mp->table.is_ip6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
fib_index = fib_table_find (fproto, ntohl (mp->table.table_id));
if (INDEX_INVALID == fib_index)
return;
fib_table_walk (fib_index, fproto, vl_api_ip_fib_dump_walk, &ctx);
vec_foreach (fib_entry_index, ctx.feis)
{
send_ip_route_details (am, reg, mp->context, *fib_entry_index);
}
vec_free (ctx.feis);
}
static void
vl_api_ip_route_v2_dump_t_handler (vl_api_ip_route_v2_dump_t *mp)
{
vpe_api_main_t *am = &vpe_api_main;
fib_node_index_t *fib_entry_index;
vl_api_registration_t *reg;
fib_protocol_t fproto;
fib_source_t src;
u32 fib_index;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
vl_api_ip_fib_dump_walk_ctx_t ctx = {
.feis = NULL,
};
fproto = (mp->table.is_ip6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
fib_index = fib_table_find (fproto, ntohl (mp->table.table_id));
src = mp->src;
if (INDEX_INVALID == fib_index)
return;
if (src)
fib_table_walk_w_src (fib_index, fproto, src, vl_api_ip_fib_dump_walk,
&ctx);
else
fib_table_walk (fib_index, fproto, vl_api_ip_fib_dump_walk, &ctx);
vec_foreach (fib_entry_index, ctx.feis)
{
send_ip_route_v2_details (am, reg, mp->context, *fib_entry_index);
}
vec_free (ctx.feis);
}
static void
send_ip_mtable_details (vl_api_registration_t * reg,
u32 context, const mfib_table_t * mfib_table)
{
vl_api_ip_mtable_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
if (!mp)
return;
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_MTABLE_DETAILS);
mp->context = context;
mp->table.table_id = htonl (mfib_table->mft_table_id);
mp->table.is_ip6 = (FIB_PROTOCOL_IP6 == mfib_table->mft_proto);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_ip_mtable_dump_t_handler (vl_api_ip_mtable_dump_t * mp)
{
vl_api_registration_t *reg;
mfib_table_t *mfib_table;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
pool_foreach (mfib_table, ip4_main.mfibs)
{
send_ip_mtable_details (reg, mp->context, mfib_table);
}
pool_foreach (mfib_table, ip6_main.mfibs)
{
send_ip_mtable_details (reg, mp->context, mfib_table);
}
}
typedef struct vl_api_ip_mfib_dump_ctx_t_
{
fib_node_index_t *entries;
} vl_api_ip_mfib_dump_ctx_t;
static walk_rc_t
mfib_route_dump_walk (fib_node_index_t fei, void *arg)
{
vl_api_ip_mfib_dump_ctx_t *ctx = arg;
vec_add1 (ctx->entries, fei);
return (WALK_CONTINUE);
}
static void
send_ip_mroute_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
u32 context, fib_node_index_t mfib_entry_index)
{
fib_route_path_t *rpaths, *rpath;
vl_api_ip_mroute_details_t *mp;
const mfib_prefix_t *pfx;
vl_api_mfib_path_t *fp;
u8 path_count;
rpaths = NULL;
pfx = mfib_entry_get_prefix (mfib_entry_index);
rpaths = mfib_entry_encode (mfib_entry_index);
path_count = vec_len (rpaths);
mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
if (!mp)
return;
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_MROUTE_DETAILS);
mp->context = context;
ip_mprefix_encode (pfx, &mp->route.prefix);
mp->route.table_id =
htonl (mfib_table_get_table_id
(mfib_entry_get_fib_index (mfib_entry_index), pfx->fp_proto));
mp->route.n_paths = path_count;
fp = mp->route.paths;
vec_foreach (rpath, rpaths)
{
mfib_api_path_encode (rpath, fp);
fp++;
}
vl_api_send_msg (reg, (u8 *) mp);
vec_free (rpaths);
}
static void
vl_api_ip_mroute_dump_t_handler (vl_api_ip_mroute_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vl_api_registration_t *reg;
fib_node_index_t *mfeip;
fib_protocol_t fproto;
u32 fib_index;
vl_api_ip_mfib_dump_ctx_t ctx = {
.entries = NULL,
};
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
fproto = fib_ip_proto (mp->table.is_ip6);
fib_index = mfib_table_find (fproto, ntohl (mp->table.table_id));
if (INDEX_INVALID == fib_index)
return;
mfib_table_walk (fib_index, fproto, mfib_route_dump_walk, &ctx);
vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
vec_foreach (mfeip, ctx.entries)
{
send_ip_mroute_details (am, reg, mp->context, *mfeip);
}
vec_free (ctx.entries);
}
static void
vl_api_ip_punt_police_t_handler (vl_api_ip_punt_police_t * mp,
vlib_main_t * vm)
{
vl_api_ip_punt_police_reply_t *rmp;
int rv = 0;
if (mp->is_ip6)
ip6_punt_policer_add_del (mp->is_add, ntohl (mp->policer_index));
else
ip4_punt_policer_add_del (mp->is_add, ntohl (mp->policer_index));
REPLY_MACRO (VL_API_IP_PUNT_POLICE_REPLY);
}
static void
ip_punt_redirect_t_handler_common (u8 is_add, u32 rx_sw_if_index,
ip_address_family_t af,
const fib_route_path_t *rpaths)
{
if (is_add)
{
if (af == AF_IP6)
ip6_punt_redirect_add_paths (rx_sw_if_index, rpaths);
else if (af == AF_IP4)
ip4_punt_redirect_add_paths (rx_sw_if_index, rpaths);
}
else
{
if (af == AF_IP6)
ip6_punt_redirect_del (rx_sw_if_index);
else if (af == AF_IP4)
ip4_punt_redirect_del (rx_sw_if_index);
}
}
static void
vl_api_ip_punt_redirect_t_handler (vl_api_ip_punt_redirect_t *mp,
vlib_main_t *vm)
{
vl_api_ip_punt_redirect_reply_t *rmp;
fib_route_path_t *rpaths = NULL, rpath = {
.frp_weight = 1,
.frp_fib_index = ~0,
};
ip_address_family_t af;
ip46_type_t ipv;
u32 rx_sw_if_index;
int rv = 0;
if (!vnet_sw_if_index_is_api_valid (ntohl (mp->punt.tx_sw_if_index)))
goto bad_sw_if_index;
ipv = ip_address_decode (&mp->punt.nh, &rpath.frp_addr);
af = (ipv == IP46_TYPE_IP6) ? AF_IP6 : AF_IP4;
rpath.frp_proto = (ipv == IP46_TYPE_IP6) ? DPO_PROTO_IP6 : DPO_PROTO_IP4;
rpath.frp_sw_if_index = ntohl (mp->punt.tx_sw_if_index);
rx_sw_if_index = ntohl (mp->punt.rx_sw_if_index);
vec_add1 (rpaths, rpath);
ip_punt_redirect_t_handler_common (mp->is_add, rx_sw_if_index, af, rpaths);
vec_free (rpaths);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_IP_PUNT_REDIRECT_REPLY);
}
static void
vl_api_add_del_ip_punt_redirect_v2_t_handler (
vl_api_add_del_ip_punt_redirect_v2_t *mp, vlib_main_t *vm)
{
vl_api_add_del_ip_punt_redirect_v2_reply_t *rmp;
fib_route_path_t *rpaths = NULL, *rpath;
vl_api_fib_path_t *apath;
ip_address_family_t af;
u32 rx_sw_if_index, n_paths;
int rv = 0, ii;
rx_sw_if_index = ntohl (mp->punt.rx_sw_if_index);
n_paths = ntohl (mp->punt.n_paths);
rv = ip_address_family_decode (mp->punt.af, &af);
if (rv != 0)
goto out;
if (0 != n_paths)
{
vec_validate (rpaths, n_paths - 1);
}
for (ii = 0; ii < n_paths; ii++)
{
apath = &mp->punt.paths[ii];
rpath = &rpaths[ii];
rv = fib_api_path_decode (apath, rpath);
if (rv != 0)
goto out;
}
ip_punt_redirect_t_handler_common (mp->is_add, rx_sw_if_index, af, rpaths);
out:
vec_free (rpaths);
REPLY_MACRO (VL_API_ADD_DEL_IP_PUNT_REDIRECT_V2_REPLY);
}
static clib_error_t *
call_elf_section_ip_table_callbacks (vnet_main_t * vnm, u32 table_id,
u32 flags,
_vnet_ip_table_function_list_elt_t **
elts)
{
_vnet_ip_table_function_list_elt_t *elt;
vnet_ip_table_function_priority_t prio;
clib_error_t *error = 0;
for (prio = VNET_IP_TABLE_FUNC_PRIORITY_LOW;
prio <= VNET_IP_TABLE_FUNC_PRIORITY_HIGH; prio++)
{
elt = elts[prio];
while (elt)
{
error = elt->fp (vnm, table_id, flags);
if (error)
return error;
elt = elt->next_ip_table_function;
}
}
return error;
}
void
ip_table_delete (fib_protocol_t fproto, u32 table_id, u8 is_api)
{
u32 fib_index, mfib_index;
vnet_main_t *vnm = vnet_get_main ();
/*
* ignore action on the default table - this is always present
* and cannot be added nor deleted from the API
*/
if (0 != table_id)
{
/*
* The API holds only one lock on the table.
* i.e. it can be added many times via the API but needs to be
* deleted only once.
* The FIB index for unicast and multicast is not necessarily the
* same, since internal VPP systesm (like LISP and SR) create
* their own unicast tables.
*/
fib_index = fib_table_find (fproto, table_id);
mfib_index = mfib_table_find (fproto, table_id);
if ((~0 != fib_index) || (~0 != mfib_index))
call_elf_section_ip_table_callbacks (vnm, table_id, 0 /* is_add */ ,
vnm->ip_table_add_del_functions);
if (~0 != fib_index)
{
fib_table_unlock (fib_index, fproto,
(is_api ? FIB_SOURCE_API : FIB_SOURCE_CLI));
}
if (~0 != mfib_index)
{
mfib_table_unlock (mfib_index, fproto,
(is_api ? MFIB_SOURCE_API : MFIB_SOURCE_CLI));
}
}
}
/*
* Returns an unused table id, and ~0 if it can't find one.
*/
u32
ip_table_get_unused_id (fib_protocol_t fproto)
{
int i, j;
static u32 seed = 0;
/* limit to 1M tries */
for (j = 0; j < 1 << 10; j++)
{
seed = random_u32 (&seed);
for (i = 0; i < 1 << 10; i++)
{
/* look around randomly generated id */
seed += (2 * (i % 2) - 1) * i;
if (seed == ~0)
continue;
if (fib_table_find (fproto, seed) == ~0)
return seed;
}
}
return ~0;
}
void
vl_api_ip_table_add_del_t_handler (vl_api_ip_table_add_del_t * mp)
{
vl_api_ip_table_add_del_reply_t *rmp;
fib_protocol_t fproto = (mp->table.is_ip6 ?
FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
u32 table_id = ntohl (mp->table.table_id);
int rv = 0;
if (mp->is_add)
{
ip_table_create (fproto, table_id, 1, mp->table.name);
}
else
{
ip_table_delete (fproto, table_id, 1);
}
REPLY_MACRO (VL_API_IP_TABLE_ADD_DEL_REPLY);
}
void
vl_api_ip_table_allocate_t_handler (vl_api_ip_table_allocate_t *mp)
{
vl_api_ip_table_allocate_reply_t *rmp;
fib_protocol_t fproto =
(mp->table.is_ip6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
u32 table_id = ntohl (mp->table.table_id);
int rv = 0;
if (~0 == table_id)
table_id = ip_table_get_unused_id (fproto);
if (~0 == table_id)
rv = VNET_API_ERROR_EAGAIN;
else
ip_table_create (fproto, table_id, 1, mp->table.name);
REPLY_MACRO2 (VL_API_IP_TABLE_ALLOCATE_REPLY, {
clib_memcpy_fast (&rmp->table, &mp->table, sizeof (mp->table));
rmp->table.table_id = htonl (table_id);
})
}
static int
ip_route_add_del_t_handler (vl_api_ip_route_add_del_t * mp, u32 * stats_index)
{
fib_route_path_t *rpaths = NULL, *rpath;
fib_entry_flag_t entry_flags;
vl_api_fib_path_t *apath;
fib_prefix_t pfx;
u32 fib_index;
int rv, ii;
entry_flags = FIB_ENTRY_FLAG_NONE;
ip_prefix_decode (&mp->route.prefix, &pfx);
rv = fib_api_table_id_decode (pfx.fp_proto,
ntohl (mp->route.table_id), &fib_index);
if (0 != rv)
goto out;
if (0 != mp->route.n_paths)
vec_validate (rpaths, mp->route.n_paths - 1);
for (ii = 0; ii < mp->route.n_paths; ii++)
{
apath = &mp->route.paths[ii];
rpath = &rpaths[ii];
rv = fib_api_path_decode (apath, rpath);
if ((rpath->frp_flags & FIB_ROUTE_PATH_LOCAL) &&
(~0 == rpath->frp_sw_if_index))
entry_flags |= (FIB_ENTRY_FLAG_CONNECTED | FIB_ENTRY_FLAG_LOCAL);
if (0 != rv)
goto out;
}
rv = fib_api_route_add_del (mp->is_add, mp->is_multipath, fib_index, &pfx,
FIB_SOURCE_API, entry_flags, rpaths);
if (mp->is_add && 0 == rv)
*stats_index = fib_table_entry_get_stats_index (fib_index, &pfx);
out:
vec_free (rpaths);
return (rv);
}
static int
ip_route_add_del_v2_t_handler (vl_api_ip_route_add_del_v2_t *mp,
u32 *stats_index)
{
fib_route_path_t *rpaths = NULL, *rpath;
fib_entry_flag_t entry_flags;
vl_api_fib_path_t *apath;
fib_source_t src;
fib_prefix_t pfx;
u32 fib_index;
int rv, ii;
entry_flags = FIB_ENTRY_FLAG_NONE;
ip_prefix_decode (&mp->route.prefix, &pfx);
rv = fib_api_table_id_decode (pfx.fp_proto, ntohl (mp->route.table_id),
&fib_index);
if (0 != rv)
goto out;
if (0 != mp->route.n_paths)
vec_validate (rpaths, mp->route.n_paths - 1);
for (ii = 0; ii < mp->route.n_paths; ii++)
{
apath = &mp->route.paths[ii];
rpath = &rpaths[ii];
rv = fib_api_path_decode (apath, rpath);
if ((rpath->frp_flags & FIB_ROUTE_PATH_LOCAL) &&
(~0 == rpath->frp_sw_if_index))
entry_flags |= (FIB_ENTRY_FLAG_CONNECTED | FIB_ENTRY_FLAG_LOCAL);
if (0 != rv)
goto out;
}
src = (0 == mp->route.src ? FIB_SOURCE_API : mp->route.src);
rv = fib_api_route_add_del (mp->is_add, mp->is_multipath, fib_index, &pfx,
src, entry_flags, rpaths);
if (mp->is_add && 0 == rv)
*stats_index = fib_table_entry_get_stats_index (fib_index, &pfx);
out:
vec_free (rpaths);
return (rv);
}
void
vl_api_ip_route_add_del_t_handler (vl_api_ip_route_add_del_t * mp)
{
vl_api_ip_route_add_del_reply_t *rmp;
u32 stats_index = ~0;
int rv;
rv = ip_route_add_del_t_handler (mp, &stats_index);
REPLY_MACRO2 (VL_API_IP_ROUTE_ADD_DEL_REPLY,
({
rmp->stats_index = htonl (stats_index);
}))
}
void
vl_api_ip_route_add_del_v2_t_handler (vl_api_ip_route_add_del_v2_t *mp)
{
vl_api_ip_route_add_del_v2_reply_t *rmp;
u32 stats_index = ~0;
int rv;
rv = ip_route_add_del_v2_t_handler (mp, &stats_index);
/* clang-format off */
REPLY_MACRO2 (VL_API_IP_ROUTE_ADD_DEL_V2_REPLY,
({
rmp->stats_index = htonl (stats_index);
}))
/* clang-format on */
}
void
vl_api_ip_route_lookup_t_handler (vl_api_ip_route_lookup_t * mp)
{
vl_api_ip_route_lookup_reply_t *rmp = NULL;
fib_route_path_t *rpaths = NULL, *rpath;
const fib_prefix_t *pfx = NULL;
fib_prefix_t lookup;
vl_api_fib_path_t *fp;
fib_node_index_t fib_entry_index;
u32 fib_index;
int npaths = 0;
int rv;
ip_prefix_decode (&mp->prefix, &lookup);
rv = fib_api_table_id_decode (lookup.fp_proto, ntohl (mp->table_id),
&fib_index);
if (PREDICT_TRUE (!rv))
{
if (mp->exact)
fib_entry_index = fib_table_lookup_exact_match (fib_index, &lookup);
else
fib_entry_index = fib_table_lookup (fib_index, &lookup);
if (fib_entry_index == FIB_NODE_INDEX_INVALID)
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
else
{
pfx = fib_entry_get_prefix (fib_entry_index);
rpaths = fib_entry_encode (fib_entry_index);
npaths = vec_len (rpaths);
}
}
REPLY_MACRO3_ZERO(VL_API_IP_ROUTE_LOOKUP_REPLY,
npaths * sizeof (*fp),
({
if (!rv)
{
ip_prefix_encode (pfx, &rmp->route.prefix);
rmp->route.table_id = mp->table_id;
rmp->route.n_paths = npaths;
rmp->route.stats_index = fib_table_entry_get_stats_index (fib_index, pfx);
rmp->route.stats_index = htonl (rmp->route.stats_index);
fp = rmp->route.paths;
vec_foreach (rpath, rpaths)
{
fib_api_path_encode (rpath, fp);
fp++;
}
}
}));
vec_free (rpaths);
}
void
vl_api_ip_route_lookup_v2_t_handler (vl_api_ip_route_lookup_v2_t *mp)
{
vl_api_ip_route_lookup_v2_reply_t *rmp = NULL;
fib_route_path_t *rpaths = NULL, *rpath;
const fib_prefix_t *pfx = NULL;
fib_prefix_t lookup;
vl_api_fib_path_t *fp;
fib_node_index_t fib_entry_index;
u32 fib_index;
int npaths = 0;
fib_source_t src = 0;
int rv;
ip_prefix_decode (&mp->prefix, &lookup);
rv = fib_api_table_id_decode (lookup.fp_proto, ntohl (mp->table_id),
&fib_index);
if (PREDICT_TRUE (!rv))
{
if (mp->exact)
fib_entry_index = fib_table_lookup_exact_match (fib_index, &lookup);
else
fib_entry_index = fib_table_lookup (fib_index, &lookup);
if (fib_entry_index == FIB_NODE_INDEX_INVALID)
rv = VNET_API_ERROR_NO_SUCH_ENTRY;
else
{
pfx = fib_entry_get_prefix (fib_entry_index);
rpaths = fib_entry_encode (fib_entry_index);
npaths = vec_len (rpaths);
src = fib_entry_get_best_source (fib_entry_index);
}
}
/* clang-format off */
REPLY_MACRO3_ZERO(VL_API_IP_ROUTE_LOOKUP_V2_REPLY,
npaths * sizeof (*fp),
({
if (!rv)
{
ip_prefix_encode (pfx, &rmp->route.prefix);
rmp->route.table_id = mp->table_id;
rmp->route.n_paths = npaths;
rmp->route.src = src;
rmp->route.stats_index = fib_table_entry_get_stats_index (fib_index, pfx);
rmp->route.stats_index = htonl (rmp->route.stats_index);
fp = rmp->route.paths;
vec_foreach (rpath, rpaths)
{
fib_api_path_encode (rpath, fp);
fp++;
}
}
}));
/* clang-format on */
vec_free (rpaths);
}
void
ip_table_create (fib_protocol_t fproto,
u32 table_id, u8 is_api, const u8 * name)
{
u32 fib_index, mfib_index;
vnet_main_t *vnm = vnet_get_main ();
/*
* ignore action on the default table - this is always present
* and cannot be added nor deleted from the API
*/
if (0 != table_id)
{
/*
* The API holds only one lock on the table.
* i.e. it can be added many times via the API but needs to be
* deleted only once.
* The FIB index for unicast and multicast is not necessarily the
* same, since internal VPP systesm (like LISP and SR) create
* their own unicast tables.
*/
fib_index = fib_table_find (fproto, table_id);
mfib_index = mfib_table_find (fproto, table_id);
/*
* Always try to re-lock in case the fib was deleted by an API call
* but was not yet freed because some other locks were held
*/
fib_table_find_or_create_and_lock_w_name (
fproto, table_id, (is_api ? FIB_SOURCE_API : FIB_SOURCE_CLI), name);
mfib_table_find_or_create_and_lock_w_name (
fproto, table_id, (is_api ? MFIB_SOURCE_API : MFIB_SOURCE_CLI), name);
if ((~0 == fib_index) || (~0 == mfib_index))
call_elf_section_ip_table_callbacks (vnm, table_id, 1 /* is_add */ ,
vnm->ip_table_add_del_functions);
}
}
static u32
mroute_add_del_handler (u8 is_add,
u8 is_multipath,
u32 fib_index,
const mfib_prefix_t * prefix,
u32 entry_flags,
u32 rpf_id, fib_route_path_t * rpaths)
{
u32 mfib_entry_index = ~0;
if (0 == vec_len (rpaths))
{
mfib_entry_index = mfib_table_entry_update (fib_index, prefix,
MFIB_SOURCE_API,
rpf_id, entry_flags);
}
else
{
if (is_add)
{
mfib_entry_index = mfib_table_entry_paths_update (
fib_index, prefix, MFIB_SOURCE_API, entry_flags, rpaths);
}
else
{
mfib_table_entry_paths_remove (fib_index, prefix,
MFIB_SOURCE_API, rpaths);
}
}
return (mfib_entry_index);
}
static int
api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp,
u32 * stats_index)
{
fib_route_path_t *rpath, *rpaths = NULL;
fib_node_index_t mfib_entry_index;
mfib_entry_flags_t eflags;
mfib_prefix_t pfx;
u32 fib_index;
int rv;
u16 ii;
ip_mprefix_decode (&mp->route.prefix, &pfx);
rv = mfib_api_table_id_decode (pfx.fp_proto,
ntohl (mp->route.table_id), &fib_index);
if (0 != rv)
goto out;
vec_validate (rpaths, mp->route.n_paths - 1);
for (ii = 0; ii < mp->route.n_paths; ii++)
{
rpath = &rpaths[ii];
rv = mfib_api_path_decode (&mp->route.paths[ii], rpath);
if (0 != rv)
goto out;
}
eflags = mfib_api_path_entry_flags_decode (mp->route.entry_flags);
mfib_entry_index = mroute_add_del_handler (mp->is_add,
mp->is_add,
fib_index, &pfx,
eflags,
ntohl (mp->route.rpf_id),
rpaths);
if (~0 != mfib_entry_index)
*stats_index = mfib_entry_get_stats_index (mfib_entry_index);
out:
return (rv);
}
void
vl_api_ip_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
{
vl_api_ip_mroute_add_del_reply_t *rmp;
u32 stats_index = ~0;
int rv;
rv = api_mroute_add_del_t_handler (mp, &stats_index);
REPLY_MACRO2 (VL_API_IP_MROUTE_ADD_DEL_REPLY,
({
rmp->stats_index = htonl (stats_index);
}));
}
static void
send_ip_details (vpe_api_main_t * am,
vl_api_registration_t * reg, u32 sw_if_index, u8 is_ipv6,
u32 context)
{
vl_api_ip_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_DETAILS);
mp->sw_if_index = ntohl (sw_if_index);
mp->is_ipv6 = is_ipv6;
mp->context = context;
vl_api_send_msg (reg, (u8 *) mp);
}
static void
send_ip_address_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
const fib_prefix_t * pfx,
u32 sw_if_index, u32 context)
{
vl_api_ip_address_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_ADDRESS_DETAILS);
ip_prefix_encode (pfx, &mp->prefix);
mp->context = context;
mp->sw_if_index = htonl (sw_if_index);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vl_api_registration_t *reg;
ip6_main_t *im6 = &ip6_main;
ip4_main_t *im4 = &ip4_main;
ip_lookup_main_t *lm6 = &im6->lookup_main;
ip_lookup_main_t *lm4 = &im4->lookup_main;
ip_interface_address_t *ia = 0;
u32 sw_if_index = ~0;
int rv __attribute__ ((unused)) = 0;
VALIDATE_SW_IF_INDEX (mp);
sw_if_index = ntohl (mp->sw_if_index);
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
if (mp->is_ipv6)
{
/* Do not send subnet details of the IP-interface for
* unnumbered interfaces. otherwise listening clients
* will be confused that the subnet is applied on more
* than one interface */
foreach_ip_interface_address (lm6, ia, sw_if_index, 0,
({
fib_prefix_t pfx = {
.fp_addr.ip6 = *(ip6_address_t *)ip_interface_address_get_address (lm6, ia),
.fp_len = ia->address_length,
.fp_proto = FIB_PROTOCOL_IP6,
};
send_ip_address_details(am, reg, &pfx, sw_if_index, mp->context);
}));
}
else
{
foreach_ip_interface_address (lm4, ia, sw_if_index, 0,
({
fib_prefix_t pfx = {
.fp_addr.ip4 = *(ip4_address_t *)ip_interface_address_get_address (lm4, ia),
.fp_len = ia->address_length,
.fp_proto = FIB_PROTOCOL_IP4,
};
send_ip_address_details(am, reg, &pfx, sw_if_index, mp->context);
}));
}
BAD_SW_IF_INDEX_LABEL;
}
static void
send_ip_unnumbered_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
u32 sw_if_index, u32 ip_sw_if_index, u32 context)
{
vl_api_ip_unnumbered_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_UNNUMBERED_DETAILS);
mp->context = context;
mp->sw_if_index = htonl (sw_if_index);
mp->ip_sw_if_index = htonl (ip_sw_if_index);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_ip_unnumbered_dump_t_handler (vl_api_ip_unnumbered_dump_t * mp)
{
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
int rv __attribute__ ((unused)) = 0;
vpe_api_main_t *am = &vpe_api_main;
vl_api_registration_t *reg;
vnet_sw_interface_t *si;
u32 sw_if_index;
sw_if_index = ntohl (mp->sw_if_index);
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
if (~0 != sw_if_index)
{
VALIDATE_SW_IF_INDEX (mp);
si = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
if (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)
{
send_ip_unnumbered_details (am, reg,
sw_if_index,
si->unnumbered_sw_if_index,
mp->context);
}
}
else
{
pool_foreach (si, im->sw_interfaces)
{
if ((si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
{
send_ip_unnumbered_details(am, reg,
si->sw_if_index,
si->unnumbered_sw_if_index,
mp->context);
}
}
}
BAD_SW_IF_INDEX_LABEL;
}
static void
vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vnet_main_t *vnm = vnet_get_main ();
//vlib_main_t *vm = vlib_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
vl_api_registration_t *reg;
vnet_sw_interface_t *si, *sorted_sis;
u32 sw_if_index = ~0;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* Gather interfaces. */
sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
vec_set_len (sorted_sis, 0);
pool_foreach (si, im->sw_interfaces)
{
vec_add1 (sorted_sis, si[0]);
}
vec_foreach (si, sorted_sis)
{
if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
{
/* if (mp->is_ipv6 && !ip6_interface_enabled (vm, si->sw_if_index)) */
/* { */
/* continue; */
/* } */
sw_if_index = si->sw_if_index;
send_ip_details (am, reg, sw_if_index, mp->is_ipv6, mp->context);
}
}
vec_free (sorted_sis);
}
static void
vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t *mp)
{
vl_api_set_ip_flow_hash_reply_t *rmp;
int rv;
u32 table_id;
flow_hash_config_t flow_hash_config = 0;
table_id = ntohl (mp->vrf_id);
#define _(a,b) if (mp->a) flow_hash_config |= b;
foreach_flow_hash_bit_v1;
#undef _
rv = ip_flow_hash_set ((mp->is_ipv6 ? AF_IP6 : AF_IP4), table_id,
flow_hash_config);
REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
}
static void
vl_api_set_ip_flow_hash_v2_t_handler (vl_api_set_ip_flow_hash_v2_t *mp)
{
vl_api_set_ip_flow_hash_v2_reply_t *rmp;
ip_address_family_t af;
int rv;
rv = ip_address_family_decode (mp->af, &af);
if (!rv)
rv = ip_flow_hash_set (af, htonl (mp->table_id),
htonl (mp->flow_hash_config));
REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_V2_REPLY);
}
static void
vl_api_set_ip_flow_hash_v3_t_handler (vl_api_set_ip_flow_hash_v3_t *mp)
{
vl_api_set_ip_flow_hash_v3_reply_t *rmp;
ip_address_family_t af;
int rv;
rv = ip_address_family_decode (mp->af, &af);
if (!rv)
rv = ip_flow_hash_set (af, htonl (mp->table_id),
htonl (mp->flow_hash_config));
REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_V3_REPLY);
}
static void
vl_api_set_ip_flow_hash_router_id_t_handler (
vl_api_set_ip_flow_hash_router_id_t *mp)
{
vl_api_set_ip_flow_hash_router_id_reply_t *rmp;
int rv = 0;
ip_flow_hash_router_id_set (ntohl (mp->router_id));
REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_ROUTER_ID_REPLY);
}
void
vl_mfib_signal_send_one (vl_api_registration_t * reg,
u32 context, const mfib_signal_t * mfs)
{
vl_api_mfib_signal_details_t *mp;
const mfib_prefix_t *prefix;
mfib_table_t *mfib;
mfib_itf_t *mfi;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_MFIB_SIGNAL_DETAILS);
mp->context = context;
mfi = mfib_itf_get (mfs->mfs_itf);
prefix = mfib_entry_get_prefix (mfs->mfs_entry);
mfib = mfib_table_get (mfib_entry_get_fib_index (mfs->mfs_entry),
prefix->fp_proto);
mp->table_id = ntohl (mfib->mft_table_id);
mp->sw_if_index = ntohl (mfi->mfi_sw_if_index);
ip_mprefix_encode (prefix, &mp->prefix);
if (0 != mfs->mfs_buffer_len)
{
mp->ip_packet_len = ntohs (mfs->mfs_buffer_len);
memcpy (mp->ip_packet_data, mfs->mfs_buffer, mfs->mfs_buffer_len);
}
else
{
mp->ip_packet_len = 0;
}
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp)
{
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
while (vl_api_can_send_msg (reg) && mfib_signal_send_one (reg, mp->context))
;
}
static void
vl_api_ip_container_proxy_add_del_t_handler
(vl_api_ip_container_proxy_add_del_t * mp)
{
vl_api_ip_container_proxy_add_del_reply_t *rmp;
vnet_ip_container_proxy_args_t args;
int rv = 0;
clib_error_t *error;
clib_memset (&args, 0, sizeof (args));
ip_prefix_decode (&mp->pfx, &args.prefix);
args.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
args.is_add = mp->is_add;
if ((error = vnet_ip_container_proxy_add_del (&args)))
{
rv = clib_error_get_code (error);
clib_error_report (error);
}
REPLY_MACRO (VL_API_IP_CONTAINER_PROXY_ADD_DEL_REPLY);
}
typedef struct ip_walk_ctx_t_
{
vl_api_registration_t *reg;
u32 context;
} ip_walk_ctx_t;
static int
ip_container_proxy_send_details (const fib_prefix_t * pfx, u32 sw_if_index,
void *args)
{
vl_api_ip_container_proxy_details_t *mp;
ip_walk_ctx_t *ctx = args;
mp = vl_msg_api_alloc (sizeof (*mp));
if (!mp)
return 1;
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id =
ntohs (REPLY_MSG_ID_BASE + VL_API_IP_CONTAINER_PROXY_DETAILS);
mp->context = ctx->context;
mp->sw_if_index = ntohl (sw_if_index);
ip_prefix_encode (pfx, &mp->prefix);
vl_api_send_msg (ctx->reg, (u8 *) mp);
return 1;
}
static void
vl_api_ip_container_proxy_dump_t_handler (vl_api_ip_container_proxy_dump_t *
mp)
{
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
ip_walk_ctx_t ctx = {
.context = mp->context,
.reg = reg,
};
ip_container_proxy_walk (ip_container_proxy_send_details, &ctx);
}
static void
vl_api_ioam_enable_t_handler (vl_api_ioam_enable_t * mp)
{
int rv = 0;
vl_api_ioam_enable_reply_t *rmp;
clib_error_t *error;
/* Ignoring the profile id as currently a single profile
* is supported */
error = ip6_ioam_enable (mp->trace_enable, mp->pot_enable,
mp->seqno, mp->analyse);
if (error)
{
clib_error_report (error);
rv = clib_error_get_code (error);
}
REPLY_MACRO (VL_API_IOAM_ENABLE_REPLY);
}
static void
vl_api_ioam_disable_t_handler (vl_api_ioam_disable_t * mp)
{
int rv = 0;
vl_api_ioam_disable_reply_t *rmp;
clib_error_t *error;
error = clear_ioam_rewrite_fn ();
if (error)
{
clib_error_report (error);
rv = clib_error_get_code (error);
}
REPLY_MACRO (VL_API_IOAM_DISABLE_REPLY);
}
static void
vl_api_ip_source_and_port_range_check_add_del_t_handler
(vl_api_ip_source_and_port_range_check_add_del_t * mp)
{
vl_api_ip_source_and_port_range_check_add_del_reply_t *rmp;
int rv = 0;
u8 is_add = mp->is_add;
fib_prefix_t pfx;
u16 *low_ports = 0;
u16 *high_ports = 0;
u32 vrf_id;
u16 tmp_low, tmp_high;
u8 num_ranges;
int i;
ip_prefix_decode (&mp->prefix, &pfx);
// Validate port range
num_ranges = mp->number_of_ranges;
if (num_ranges > 32)
{ // This is size of array in VPE.API
rv = VNET_API_ERROR_EXCEEDED_NUMBER_OF_RANGES_CAPACITY;
goto reply;
}
vec_reset_length (low_ports);
vec_reset_length (high_ports);
for (i = 0; i < num_ranges; i++)
{
tmp_low = mp->low_ports[i];
tmp_high = mp->high_ports[i];
// If tmp_low <= tmp_high then only need to check tmp_low = 0
// If tmp_low <= tmp_high then only need to check tmp_high > 65535
if (tmp_low > tmp_high || tmp_low == 0 || tmp_high > 65535)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto reply;
}
vec_add1 (low_ports, tmp_low);
vec_add1 (high_ports, tmp_high + 1);
}
vrf_id = ntohl (mp->vrf_id);
if (vrf_id < 1)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto reply;
}
if (FIB_PROTOCOL_IP6 == pfx.fp_proto)
{
rv = ip6_source_and_port_range_check_add_del (&pfx.fp_addr.ip6,
pfx.fp_len,
vrf_id,
low_ports,
high_ports, is_add);
}
else
{
rv = ip4_source_and_port_range_check_add_del (&pfx.fp_addr.ip4,
pfx.fp_len,
vrf_id,
low_ports,
high_ports, is_add);
}
reply:
vec_free (low_ports);
vec_free (high_ports);
REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL_REPLY);
}
static void
vl_api_ip_source_and_port_range_check_interface_add_del_t_handler
(vl_api_ip_source_and_port_range_check_interface_add_del_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
vl_api_ip_source_and_port_range_check_interface_add_del_reply_t *rmp;
ip4_main_t *im = &ip4_main;
int rv;
u32 sw_if_index;
u32 fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS];
u32 vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS];
uword *p = 0;
int i;
vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT] =
ntohl (mp->tcp_out_vrf_id);
vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT] =
ntohl (mp->udp_out_vrf_id);
vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN] =
ntohl (mp->tcp_in_vrf_id);
vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN] =
ntohl (mp->udp_in_vrf_id);
for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++)
{
if (vrf_id[i] != 0 && vrf_id[i] != ~0)
{
p = hash_get (im->fib_index_by_table_id, vrf_id[i]);
if (p == 0)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto reply;
}
fib_index[i] = p[0];
}
else
fib_index[i] = ~0;
}
sw_if_index = ntohl (mp->sw_if_index);
VALIDATE_SW_IF_INDEX (mp);
rv =
set_ip_source_and_port_range_check (vm, fib_index, sw_if_index,
mp->is_add);
BAD_SW_IF_INDEX_LABEL;
reply:
REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL_REPLY);
}
static void
vl_api_sw_interface_ip6_set_link_local_address_t_handler
(vl_api_sw_interface_ip6_set_link_local_address_t * mp)
{
vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp;
ip6_address_t ip;
int rv;
VALIDATE_SW_IF_INDEX (mp);
ip6_address_decode (mp->ip, &ip);
rv = ip6_link_set_local_address (ntohl (mp->sw_if_index), &ip);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
}
static void
vl_api_sw_interface_ip6_get_link_local_address_t_handler (
vl_api_sw_interface_ip6_get_link_local_address_t *mp)
{
vl_api_sw_interface_ip6_get_link_local_address_reply_t *rmp;
const ip6_address_t *ip = NULL;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
ip = ip6_get_link_local_address (ntohl (mp->sw_if_index));
if (NULL == ip)
rv = VNET_API_ERROR_IP6_NOT_ENABLED;
BAD_SW_IF_INDEX_LABEL;
/* clang-format off */
REPLY_MACRO2 (VL_API_SW_INTERFACE_IP6_GET_LINK_LOCAL_ADDRESS_REPLY,
({
if (!rv)
ip6_address_encode (ip, rmp->ip);
}))
/* clang-format on */
}
static void
vl_api_ip_table_replace_begin_t_handler (vl_api_ip_table_replace_begin_t * mp)
{
vl_api_ip_table_replace_begin_reply_t *rmp;
fib_protocol_t fproto;
u32 fib_index;
int rv = 0;
fproto = (mp->table.is_ip6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
fib_index = fib_table_find (fproto, ntohl (mp->table.table_id));
if (INDEX_INVALID == fib_index)
rv = VNET_API_ERROR_NO_SUCH_FIB;
else
{
fib_table_mark (fib_index, fproto, FIB_SOURCE_API);
mfib_table_mark (mfib_table_find (fproto, ntohl (mp->table.table_id)),
fproto, MFIB_SOURCE_API);
}
REPLY_MACRO (VL_API_IP_TABLE_REPLACE_BEGIN_REPLY);
}
static void
vl_api_ip_table_replace_end_t_handler (vl_api_ip_table_replace_end_t * mp)
{
vl_api_ip_table_replace_end_reply_t *rmp;
fib_protocol_t fproto;
u32 fib_index;
int rv = 0;
fproto = (mp->table.is_ip6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
fib_index = fib_table_find (fproto, ntohl (mp->table.table_id));
if (INDEX_INVALID == fib_index)
rv = VNET_API_ERROR_NO_SUCH_FIB;
else
{
fib_table_sweep (fib_index, fproto, FIB_SOURCE_API);
mfib_table_sweep (mfib_table_find
(fproto, ntohl (mp->table.table_id)), fproto,
MFIB_SOURCE_API);
}
REPLY_MACRO (VL_API_IP_TABLE_REPLACE_END_REPLY);
}
static void
vl_api_ip_table_flush_t_handler (vl_api_ip_table_flush_t * mp)
{
vl_api_ip_table_flush_reply_t *rmp;
fib_protocol_t fproto;
u32 fib_index;
int rv = 0;
fproto = (mp->table.is_ip6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
fib_index = fib_table_find (fproto, ntohl (mp->table.table_id));
if (INDEX_INVALID == fib_index)
rv = VNET_API_ERROR_NO_SUCH_FIB;
else
{
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
vnet_sw_interface_t *si;
/* Shut down interfaces in this FIB / clean out intfc routes */
pool_foreach (si, im->sw_interfaces)
{
if (fib_index == fib_table_get_index_for_sw_if_index (fproto,
si->sw_if_index))
{
u32 flags = si->flags;
flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
vnet_sw_interface_set_flags (vnm, si->sw_if_index, flags);
}
}
fib_table_flush (fib_index, fproto, FIB_SOURCE_API);
mfib_table_flush (mfib_table_find (fproto, ntohl (mp->table.table_id)),
fproto, MFIB_SOURCE_API);
}
REPLY_MACRO (VL_API_IP_TABLE_FLUSH_REPLY);
}
void
vl_api_ip_reassembly_set_t_handler (vl_api_ip_reassembly_set_t * mp)
{
vl_api_ip_reassembly_set_reply_t *rmp;
int rv = 0;
switch ((vl_api_ip_reass_type_t) clib_net_to_host_u32 (mp->type))
{
case IP_REASS_TYPE_FULL:
if (mp->is_ip6)
{
rv = ip6_full_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
clib_net_to_host_u32
(mp->max_reassemblies),
clib_net_to_host_u32
(mp->max_reassembly_length),
clib_net_to_host_u32
(mp->expire_walk_interval_ms));
}
else
{
rv = ip4_full_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
clib_net_to_host_u32
(mp->max_reassemblies),
clib_net_to_host_u32
(mp->max_reassembly_length),
clib_net_to_host_u32
(mp->expire_walk_interval_ms));
}
break;
case IP_REASS_TYPE_SHALLOW_VIRTUAL:
if (mp->is_ip6)
{
rv =
ip6_sv_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
clib_net_to_host_u32 (mp->max_reassemblies),
clib_net_to_host_u32
(mp->max_reassembly_length),
clib_net_to_host_u32
(mp->expire_walk_interval_ms));
}
else
{
rv = ip4_sv_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
clib_net_to_host_u32 (mp->max_reassemblies),
clib_net_to_host_u32
(mp->max_reassembly_length),
clib_net_to_host_u32
(mp->expire_walk_interval_ms));
}
break;
}
REPLY_MACRO (VL_API_IP_REASSEMBLY_SET_REPLY);
}
void
vl_api_ip_reassembly_get_t_handler (vl_api_ip_reassembly_get_t * mp)
{
vl_api_registration_t *rp;
rp = vl_api_client_index_to_registration (mp->client_index);
if (rp == 0)
return;
vl_api_ip_reassembly_get_reply_t *rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_REASSEMBLY_GET_REPLY);
rmp->context = mp->context;
rmp->retval = 0;
u32 timeout_ms;
u32 max_reassemblies;
u32 max_reassembly_length;
u32 expire_walk_interval_ms;
switch ((vl_api_ip_reass_type_t) clib_net_to_host_u32 (mp->type))
{
case IP_REASS_TYPE_FULL:
if (mp->is_ip6)
{
rmp->is_ip6 = 1;
ip6_full_reass_get (&timeout_ms, &max_reassemblies,
&max_reassembly_length,
&expire_walk_interval_ms);
}
else
{
rmp->is_ip6 = 0;
ip4_full_reass_get (&timeout_ms, &max_reassemblies,
&max_reassembly_length,
&expire_walk_interval_ms);
}
break;
case IP_REASS_TYPE_SHALLOW_VIRTUAL:
if (mp->is_ip6)
{
rmp->is_ip6 = 1;
ip6_sv_reass_get (&timeout_ms, &max_reassemblies,
&max_reassembly_length, &expire_walk_interval_ms);
}
else
{
rmp->is_ip6 = 0;
ip4_sv_reass_get (&timeout_ms, &max_reassemblies,
&max_reassembly_length, &expire_walk_interval_ms);
}
break;
}
rmp->timeout_ms = clib_host_to_net_u32 (timeout_ms);
rmp->max_reassemblies = clib_host_to_net_u32 (max_reassemblies);
rmp->max_reassembly_length = clib_host_to_net_u32 (max_reassembly_length);
rmp->expire_walk_interval_ms =
clib_host_to_net_u32 (expire_walk_interval_ms);
vl_api_send_msg (rp, (u8 *) rmp);
}
void
vl_api_ip_reassembly_enable_disable_t_handler
(vl_api_ip_reassembly_enable_disable_t * mp)
{
vl_api_ip_reassembly_enable_disable_reply_t *rmp;
int rv = 0;
switch ((vl_api_ip_reass_type_t) clib_net_to_host_u32 (mp->type))
{
case IP_REASS_TYPE_FULL:
rv =
ip4_full_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index),
mp->enable_ip4);
if (0 == rv)
rv =
ip6_full_reass_enable_disable (clib_net_to_host_u32
(mp->sw_if_index), mp->enable_ip6);
break;
case IP_REASS_TYPE_SHALLOW_VIRTUAL:
rv =
ip4_sv_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index),
mp->enable_ip4);
if (0 == rv)
{
rv =
ip6_sv_reass_enable_disable (clib_net_to_host_u32
(mp->sw_if_index), mp->enable_ip6);
}
break;
}
REPLY_MACRO (VL_API_IP_REASSEMBLY_ENABLE_DISABLE_REPLY);
}
void
vl_api_ip_local_reass_enable_disable_t_handler (
vl_api_ip_local_reass_enable_disable_t *mp)
{
vl_api_ip_local_reass_enable_disable_reply_t *rmp;
int rv = 0;
ip4_local_full_reass_enable_disable (mp->enable_ip4);
ip6_local_full_reass_enable_disable (mp->enable_ip6);
REPLY_MACRO (VL_API_IP_LOCAL_REASS_ENABLE_DISABLE_REPLY);
}
void
vl_api_ip_local_reass_get_t_handler (vl_api_ip_local_reass_get_t *mp)
{
vl_api_ip_local_reass_get_reply_t *rmp;
int rv = 0;
REPLY_MACRO2 (VL_API_IP_LOCAL_REASS_GET, {
rmp->ip4_is_enabled = ip4_local_full_reass_enabled ();
rmp->ip6_is_enabled = ip6_local_full_reass_enabled ();
});
}
static walk_rc_t
send_ip_punt_redirect_details (u32 rx_sw_if_index,
const ip_punt_redirect_rx_t * ipr, void *arg)
{
vl_api_ip_punt_redirect_details_t *mp;
fib_path_encode_ctx_t path_ctx = {
.rpaths = NULL,
};
ip_walk_ctx_t *ctx = arg;
mp = vl_msg_api_alloc (sizeof (*mp));
if (!mp)
return (WALK_STOP);;
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_IP_PUNT_REDIRECT_DETAILS);
mp->context = ctx->context;
fib_path_list_walk_w_ext (ipr->pl, NULL, fib_path_encode, &path_ctx);
mp->punt.rx_sw_if_index = htonl (rx_sw_if_index);
mp->punt.tx_sw_if_index = htonl (path_ctx.rpaths[0].frp_sw_if_index);
ip_address_encode (&path_ctx.rpaths[0].frp_addr,
fib_proto_to_ip46 (ipr->fproto), &mp->punt.nh);
vl_api_send_msg (ctx->reg, (u8 *) mp);
vec_free (path_ctx.rpaths);
return (WALK_CONTINUE);
}
static walk_rc_t
send_ip_punt_redirect_v2_details (u32 rx_sw_if_index,
const ip_punt_redirect_rx_t *ipr, void *arg)
{
vl_api_ip_punt_redirect_v2_details_t *mp;
fib_path_encode_ctx_t path_ctx = {
.rpaths = NULL,
};
fib_route_path_t *rpath;
ip_walk_ctx_t *ctx = arg;
vl_api_fib_path_t *fp;
int n_paths;
fib_path_list_walk_w_ext (ipr->pl, NULL, fib_path_encode, &path_ctx);
n_paths = vec_len (path_ctx.rpaths);
mp = vl_msg_api_alloc (sizeof (*mp) + n_paths * sizeof (*fp));
if (!mp)
return (WALK_STOP);
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id =
ntohs (REPLY_MSG_ID_BASE + VL_API_IP_PUNT_REDIRECT_V2_DETAILS);
mp->context = ctx->context;
mp->punt.rx_sw_if_index = htonl (rx_sw_if_index);
mp->punt.n_paths = htonl (n_paths);
fp = mp->punt.paths;
vec_foreach (rpath, path_ctx.rpaths)
{
fib_api_path_encode (rpath, fp);
fp++;
}
mp->punt.af = (ipr->fproto == FIB_PROTOCOL_IP6) ? ADDRESS_IP6 : ADDRESS_IP4;
vl_api_send_msg (ctx->reg, (u8 *) mp);
vec_free (path_ctx.rpaths);
return (WALK_CONTINUE);
}
static void
vl_api_ip_punt_redirect_dump_common (ip_walk_ctx_t *ctx, fib_protocol_t fproto,
u32 rx_sw_if_index,
ip_punt_redirect_walk_cb_t cb)
{
if ((u32) ~0 != rx_sw_if_index)
{
index_t pri;
pri = ip_punt_redirect_find (fproto, rx_sw_if_index);
if (INDEX_INVALID == pri)
return;
cb (rx_sw_if_index, ip_punt_redirect_get (pri), ctx);
}
else
ip_punt_redirect_walk (fproto, cb, ctx);
}
static void
vl_api_ip_punt_redirect_dump_t_handler (vl_api_ip_punt_redirect_dump_t * mp)
{
vl_api_registration_t *reg;
fib_protocol_t fproto;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
fproto = (mp->is_ipv6 == 1) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
ip_walk_ctx_t ctx = {
.reg = reg,
.context = mp->context,
};
vl_api_ip_punt_redirect_dump_common (&ctx, fproto, ntohl (mp->sw_if_index),
send_ip_punt_redirect_details);
}
static void
vl_api_ip_punt_redirect_v2_dump_t_handler (
vl_api_ip_punt_redirect_v2_dump_t *mp)
{
vl_api_registration_t *reg;
ip_address_family_t af;
fib_protocol_t fproto;
int rv = 0;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
rv = ip_address_family_decode (mp->af, &af);
if (rv != 0)
return;
fproto = (af == AF_IP6) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
ip_walk_ctx_t ctx = {
.reg = reg,
.context = mp->context,
};
vl_api_ip_punt_redirect_dump_common (&ctx, fproto, ntohl (mp->sw_if_index),
send_ip_punt_redirect_v2_details);
}
void
vl_api_ip_path_mtu_update_t_handler (vl_api_ip_path_mtu_update_t *mp)
{
vl_api_ip_path_mtu_update_reply_t *rmp;
ip_address_t nh;
int rv = 0;
ip_address_decode2 (&mp->pmtu.nh, &nh);
rv = ip_path_mtu_update (&nh, ntohl (mp->pmtu.table_id),
ntohs (mp->pmtu.path_mtu));
REPLY_MACRO (VL_API_IP_PATH_MTU_UPDATE_REPLY);
}
void
vl_api_ip_path_mtu_replace_begin_t_handler (
vl_api_ip_path_mtu_replace_begin_t *mp)
{
vl_api_ip_path_mtu_replace_begin_reply_t *rmp;
int rv;
rv = ip_path_mtu_replace_begin ();
REPLY_MACRO (VL_API_IP_PATH_MTU_REPLACE_BEGIN_REPLY);
}
void
vl_api_ip_path_mtu_replace_end_t_handler (vl_api_ip_path_mtu_replace_end_t *mp)
{
vl_api_ip_path_mtu_replace_end_reply_t *rmp;
int rv;
rv = ip_path_mtu_replace_end ();
REPLY_MACRO (VL_API_IP_PATH_MTU_REPLACE_END_REPLY);
}
static void
send_ip_path_mtu_details (index_t ipti, vl_api_registration_t *rp, u32 context)
{
vl_api_ip_path_mtu_details_t *rmp;
ip_address_t ip;
ip_pmtu_t *ipt;
ipt = ip_path_mtu_get (ipti);
REPLY_MACRO_DETAILS4 (VL_API_IP_PATH_MTU_DETAILS, rp, context, ({
ip_pmtu_get_ip (ipt, &ip);
ip_address_encode2 (&ip, &rmp->pmtu.nh);
rmp->pmtu.table_id =
htonl (ip_pmtu_get_table_id (ipt));
rmp->pmtu.path_mtu = htons (ipt->ipt_cfg_pmtu);
}));
}
static void
vl_api_ip_path_mtu_get_t_handler (vl_api_ip_path_mtu_get_t *mp)
{
vl_api_ip_path_mtu_get_reply_t *rmp;
i32 rv = 0;
REPLY_AND_DETAILS_MACRO (
VL_API_IP_PATH_MTU_GET_REPLY, ip_pmtu_pool,
({ send_ip_path_mtu_details (cursor, rp, mp->context); }));
}
#include <vnet/ip/ip.api.c>
static clib_error_t *
ip_api_hookup (vlib_main_t * vm)
{
api_main_t *am = vlibapi_get_main ();
/*
* Set up the (msg_name, crc, message-id) table
*/
REPLY_MSG_ID_BASE = setup_message_id_table ();
/*
* Mark the route add/del API as MP safe
*/
vl_api_set_msg_thread_safe (am, REPLY_MSG_ID_BASE + VL_API_IP_ROUTE_ADD_DEL,
1);
vl_api_set_msg_thread_safe (
am, REPLY_MSG_ID_BASE + VL_API_IP_ROUTE_ADD_DEL_REPLY, 1);
vl_api_set_msg_thread_safe (
am, REPLY_MSG_ID_BASE + VL_API_IP_ROUTE_ADD_DEL_V2, 1);
vl_api_set_msg_thread_safe (
am, REPLY_MSG_ID_BASE + VL_API_IP_ROUTE_ADD_DEL_V2_REPLY, 1);
return 0;
}
VLIB_API_INIT_FUNCTION (ip_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/