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gerrit.nordix.org / fdio / vpp / aa2f59bbd356c1165745703cfddb5ccd21e887eb / . / src / vnet / ip / ip_api.c
blob: 48e523f381a29a7ad5f734c9274922375ef25ffc [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 <vpp/stats/stats.h>
#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip.h>
#include <vnet/ip/ip_neighbor.h>
#include <vnet/ip/ip6_neighbor.h>
#include <vnet/fib/fib_table.h>
#include <vnet/fib/fib_api.h>
#include <vnet/dpo/drop_dpo.h>
#include <vnet/dpo/receive_dpo.h>
#include <vnet/dpo/lookup_dpo.h>
#include <vnet/dpo/classify_dpo.h>
#include <vnet/dpo/ip_null_dpo.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/ip/ip_source_and_port_range_check.h>
#include <vnet/fib/ip4_fib.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/ip/ip6_hop_by_hop.h>
#include <vnet/ip/ip4_reassembly.h>
#include <vnet/ip/ip6_reassembly.h>
#include <vnet/ethernet/arp.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_ip_api_msg \
_(IP_FIB_DUMP, ip_fib_dump) \
_(IP6_FIB_DUMP, ip6_fib_dump) \
_(IP_MFIB_DUMP, ip_mfib_dump) \
_(IP6_MFIB_DUMP, ip6_mfib_dump) \
_(IP_NEIGHBOR_DUMP, ip_neighbor_dump) \
_(IP_MROUTE_ADD_DEL, ip_mroute_add_del) \
_(MFIB_SIGNAL_DUMP, mfib_signal_dump) \
_(IP_ADDRESS_DUMP, ip_address_dump) \
_(IP_UNNUMBERED_DUMP, ip_unnumbered_dump) \
_(IP_DUMP, ip_dump) \
_(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del) \
_(SET_ARP_NEIGHBOR_LIMIT, set_arp_neighbor_limit) \
_(IP_PROBE_NEIGHBOR, ip_probe_neighbor) \
_(IP_SCAN_NEIGHBOR_ENABLE_DISABLE, ip_scan_neighbor_enable_disable) \
_(WANT_IP4_ARP_EVENTS, want_ip4_arp_events) \
_(WANT_IP6_ND_EVENTS, want_ip6_nd_events) \
_(WANT_IP6_RA_EVENTS, want_ip6_ra_events) \
_(PROXY_ARP_ADD_DEL, proxy_arp_add_del) \
_(PROXY_ARP_DUMP, proxy_arp_dump) \
_(PROXY_ARP_INTFC_ENABLE_DISABLE, proxy_arp_intfc_enable_disable) \
_(PROXY_ARP_INTFC_DUMP, proxy_arp_intfc_dump) \
_(RESET_FIB, reset_fib) \
_(IP_ADD_DEL_ROUTE, ip_add_del_route) \
_(IP_TABLE_ADD_DEL, ip_table_add_del) \
_(IP_PUNT_POLICE, ip_punt_police) \
_(IP_PUNT_REDIRECT, ip_punt_redirect) \
_(SET_IP_FLOW_HASH,set_ip_flow_hash) \
_(SW_INTERFACE_IP6ND_RA_CONFIG, sw_interface_ip6nd_ra_config) \
_(SW_INTERFACE_IP6ND_RA_PREFIX, sw_interface_ip6nd_ra_prefix) \
_(IP6ND_PROXY_ADD_DEL, ip6nd_proxy_add_del) \
_(IP6ND_PROXY_DUMP, ip6nd_proxy_dump) \
_(IP6ND_SEND_ROUTER_SOLICITATION, ip6nd_send_router_solicitation) \
_(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \
_(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \
sw_interface_ip6_set_link_local_address) \
_(IP_CONTAINER_PROXY_ADD_DEL, ip_container_proxy_add_del) \
_(IOAM_ENABLE, ioam_enable) \
_(IOAM_DISABLE, ioam_disable) \
_(IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL, \
ip_source_and_port_range_check_add_del) \
_(IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL, \
ip_source_and_port_range_check_interface_add_del) \
_(IP_REASSEMBLY_SET, ip_reassembly_set) \
_(IP_REASSEMBLY_GET, ip_reassembly_get) \
_(IP_REASSEMBLY_ENABLE_DISABLE, ip_reassembly_enable_disable)
extern void stats_dslock_with_hint (int hint, int tag);
extern void stats_dsunlock (void);
static void
send_ip_neighbor_details (u32 sw_if_index,
u8 is_ipv6,
u8 is_static,
u8 * mac_address,
u8 * ip_address, vl_api_registration_t * reg,
u32 context)
{
vl_api_ip_neighbor_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IP_NEIGHBOR_DETAILS);
mp->context = context;
mp->sw_if_index = htonl (sw_if_index);
mp->is_ipv6 = is_ipv6;
mp->is_static = is_static;
memcpy (mp->mac_address, mac_address, 6);
memcpy (mp->ip_address, ip_address, (is_ipv6) ? 16 : 4);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_ip_neighbor_dump_t_handler (vl_api_ip_neighbor_dump_t * mp)
{
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
u32 sw_if_index = ntohl (mp->sw_if_index);
if (mp->is_ipv6)
{
ip6_neighbor_t *n, *ns;
ns = ip6_neighbors_entries (sw_if_index);
/* *INDENT-OFF* */
vec_foreach (n, ns)
{
send_ip_neighbor_details
(sw_if_index, mp->is_ipv6,
((n->flags & IP6_NEIGHBOR_FLAG_STATIC) ? 1 : 0),
(u8 *) n->link_layer_address,
(u8 *) & (n->key.ip6_address.as_u8),
reg, mp->context);
}
/* *INDENT-ON* */
vec_free (ns);
}
else
{
ethernet_arp_ip4_entry_t *n, *ns;
ns = ip4_neighbor_entries (sw_if_index);
/* *INDENT-OFF* */
vec_foreach (n, ns)
{
send_ip_neighbor_details (sw_if_index, mp->is_ipv6,
((n->flags & ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC) ? 1 : 0),
(u8*) n->ethernet_address,
(u8*) & (n->ip4_address.as_u8),
reg, mp->context);
}
/* *INDENT-ON* */
vec_free (ns);
}
}
static void
send_ip_fib_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
const fib_table_t * table,
const fib_prefix_t * pfx,
fib_route_path_encode_t * api_rpaths, u32 context)
{
vl_api_ip_fib_details_t *mp;
fib_route_path_encode_t *api_rpath;
vl_api_fib_path_t *fp;
int path_count;
path_count = vec_len (api_rpaths);
mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
if (!mp)
return;
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS);
mp->context = context;
mp->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)));
mp->address_length = pfx->fp_len;
memcpy (mp->address, &pfx->fp_addr.ip4, sizeof (pfx->fp_addr.ip4));
mp->count = htonl (path_count);
fp = mp->path;
vec_foreach (api_rpath, api_rpaths)
{
fib_api_path_encode (api_rpath, fp);
fp++;
}
vl_api_send_msg (reg, (u8 *) mp);
}
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
vl_api_ip_fib_dump_t_handler (vl_api_ip_fib_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vl_api_registration_t *reg;
ip4_main_t *im = &ip4_main;
fib_table_t *fib_table;
fib_node_index_t *lfeip;
fib_prefix_t pfx;
u32 fib_index;
fib_route_path_encode_t *api_rpaths;
vl_api_ip_fib_dump_walk_ctx_t ctx = {
.feis = NULL,
};
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* *INDENT-OFF* */
pool_foreach (fib_table, im->fibs,
({
fib_table_walk(fib_table->ft_index,
FIB_PROTOCOL_IP4,
vl_api_ip_fib_dump_walk,
&ctx);
}));
/* *INDENT-ON* */
vec_sort_with_function (ctx.feis, fib_entry_cmp_for_sort);
vec_foreach (lfeip, ctx.feis)
{
fib_entry_get_prefix (*lfeip, &pfx);
fib_index = fib_entry_get_fib_index (*lfeip);
fib_table = fib_table_get (fib_index, pfx.fp_proto);
api_rpaths = NULL;
fib_entry_encode (*lfeip, &api_rpaths);
send_ip_fib_details (am, reg, fib_table, &pfx, api_rpaths, mp->context);
vec_free (api_rpaths);
}
vec_free (ctx.feis);
}
static void
send_ip6_fib_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
const fib_table_t * table,
const fib_prefix_t * pfx,
fib_route_path_encode_t * api_rpaths, u32 context)
{
vl_api_ip6_fib_details_t *mp;
fib_route_path_encode_t *api_rpath;
vl_api_fib_path_t *fp;
int path_count;
path_count = vec_len (api_rpaths);
mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
if (!mp)
return;
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
mp->context = context;
mp->table_id = htonl (table->ft_table_id);
mp->address_length = pfx->fp_len;
memcpy (mp->address, &pfx->fp_addr.ip6, sizeof (pfx->fp_addr.ip6));
memcpy (mp->table_name, table->ft_desc,
clib_min (vec_len (table->ft_desc), sizeof (mp->table_name)));
mp->count = htonl (path_count);
fp = mp->path;
vec_foreach (api_rpath, api_rpaths)
{
fib_api_path_encode (api_rpath, fp);
fp++;
}
vl_api_send_msg (reg, (u8 *) mp);
}
typedef struct apt_ip6_fib_show_ctx_t_
{
u32 fib_index;
fib_node_index_t *entries;
} api_ip6_fib_show_ctx_t;
static void
api_ip6_fib_table_put_entries (clib_bihash_kv_24_8_t * kvp, void *arg)
{
api_ip6_fib_show_ctx_t *ctx = arg;
if ((kvp->key[2] >> 32) == ctx->fib_index)
{
vec_add1 (ctx->entries, kvp->value);
}
}
static void
api_ip6_fib_table_get_all (vl_api_registration_t * reg,
vl_api_ip6_fib_dump_t * mp,
fib_table_t * fib_table)
{
vpe_api_main_t *am = &vpe_api_main;
ip6_main_t *im6 = &ip6_main;
fib_node_index_t *fib_entry_index;
api_ip6_fib_show_ctx_t ctx = {
.fib_index = fib_table->ft_index,
.entries = NULL,
};
fib_route_path_encode_t *api_rpaths;
fib_prefix_t pfx;
BV (clib_bihash_foreach_key_value_pair)
((BVT (clib_bihash) *) & im6->ip6_table[IP6_FIB_TABLE_NON_FWDING].
ip6_hash, api_ip6_fib_table_put_entries, &ctx);
vec_sort_with_function (ctx.entries, fib_entry_cmp_for_sort);
vec_foreach (fib_entry_index, ctx.entries)
{
fib_entry_get_prefix (*fib_entry_index, &pfx);
api_rpaths = NULL;
fib_entry_encode (*fib_entry_index, &api_rpaths);
send_ip6_fib_details (am, reg, fib_table, &pfx, api_rpaths, mp->context);
vec_free (api_rpaths);
}
vec_free (ctx.entries);
}
static void
vl_api_ip6_fib_dump_t_handler (vl_api_ip6_fib_dump_t * mp)
{
vl_api_registration_t *reg;
ip6_main_t *im6 = &ip6_main;
fib_table_t *fib_table;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* *INDENT-OFF* */
pool_foreach (fib_table, im6->fibs,
({
/* don't send link locals */
if (fib_table->ft_flags & FIB_TABLE_FLAG_IP6_LL)
continue;
api_ip6_fib_table_get_all(reg, mp, fib_table);
}));
/* *INDENT-ON* */
}
static void
send_ip_mfib_details (vl_api_registration_t * reg,
u32 context, u32 table_id, fib_node_index_t mfei)
{
fib_route_path_encode_t *api_rpath, *api_rpaths = NULL;
vl_api_ip_mfib_details_t *mp;
mfib_entry_t *mfib_entry;
vl_api_fib_path_t *fp;
mfib_prefix_t pfx;
int path_count;
mfib_entry = mfib_entry_get (mfei);
mfib_entry_get_prefix (mfei, &pfx);
mfib_entry_encode (mfei, &api_rpaths);
path_count = vec_len (api_rpaths);
mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
if (!mp)
return;
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IP_MFIB_DETAILS);
mp->context = context;
mp->rpf_id = mfib_entry->mfe_rpf_id;
mp->entry_flags = mfib_entry->mfe_flags;
mp->table_id = htonl (table_id);
mp->address_length = pfx.fp_len;
memcpy (mp->grp_address, &pfx.fp_grp_addr.ip4,
sizeof (pfx.fp_grp_addr.ip4));
memcpy (mp->src_address, &pfx.fp_src_addr.ip4,
sizeof (pfx.fp_src_addr.ip4));
mp->count = htonl (path_count);
fp = mp->path;
vec_foreach (api_rpath, api_rpaths)
{
fib_api_path_encode (api_rpath, fp);
fp++;
}
vec_free (api_rpaths);
vl_api_send_msg (reg, (u8 *) mp);
}
typedef struct vl_api_ip_mfib_dump_ctc_t_
{
fib_node_index_t *entries;
} vl_api_ip_mfib_dump_ctc_t;
static int
vl_api_ip_mfib_table_dump_walk (fib_node_index_t fei, void *arg)
{
vl_api_ip_mfib_dump_ctc_t *ctx = arg;
vec_add1 (ctx->entries, fei);
return (0);
}
static void
vl_api_ip_mfib_dump_t_handler (vl_api_ip_mfib_dump_t * mp)
{
vl_api_registration_t *reg;
ip4_main_t *im = &ip4_main;
mfib_table_t *mfib_table;
fib_node_index_t *mfeip;
vl_api_ip_mfib_dump_ctc_t ctx = {
.entries = NULL,
};
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* *INDENT-OFF* */
pool_foreach (mfib_table, im->mfibs,
({
ip4_mfib_table_walk(&mfib_table->v4,
vl_api_ip_mfib_table_dump_walk,
&ctx);
vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
vec_foreach (mfeip, ctx.entries)
{
send_ip_mfib_details (reg, mp->context,
mfib_table->mft_table_id,
*mfeip);
}
vec_reset_length (ctx.entries);
}));
/* *INDENT-ON* */
vec_free (ctx.entries);
}
static void
send_ip6_mfib_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
u32 table_id,
mfib_prefix_t * pfx,
fib_route_path_encode_t * api_rpaths, u32 context)
{
vl_api_ip6_mfib_details_t *mp;
fib_route_path_encode_t *api_rpath;
vl_api_fib_path_t *fp;
int path_count;
path_count = vec_len (api_rpaths);
mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
if (!mp)
return;
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IP6_MFIB_DETAILS);
mp->context = context;
mp->table_id = htonl (table_id);
mp->address_length = pfx->fp_len;
memcpy (mp->grp_address, &pfx->fp_grp_addr.ip6,
sizeof (pfx->fp_grp_addr.ip6));
memcpy (mp->src_address, &pfx->fp_src_addr.ip6,
sizeof (pfx->fp_src_addr.ip6));
mp->count = htonl (path_count);
fp = mp->path;
vec_foreach (api_rpath, api_rpaths)
{
fib_api_path_encode (api_rpath, fp);
fp++;
}
vl_api_send_msg (reg, (u8 *) mp);
}
typedef struct vl_api_ip6_mfib_dump_ctc_t_
{
fib_node_index_t *entries;
} vl_api_ip6_mfib_dump_ctc_t;
static int
vl_api_ip6_mfib_table_dump_walk (fib_node_index_t fei, void *arg)
{
vl_api_ip6_mfib_dump_ctc_t *ctx = arg;
vec_add1 (ctx->entries, fei);
return (0);
}
static void
vl_api_ip6_mfib_dump_t_handler (vl_api_ip6_mfib_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vl_api_registration_t *reg;
ip6_main_t *im = &ip6_main;
mfib_table_t *mfib_table;
fib_node_index_t *mfeip;
mfib_prefix_t pfx;
fib_route_path_encode_t *api_rpaths = NULL;
vl_api_ip6_mfib_dump_ctc_t ctx = {
.entries = NULL,
};
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* *INDENT-OFF* */
pool_foreach (mfib_table, im->mfibs,
({
ip6_mfib_table_walk(&mfib_table->v6,
vl_api_ip6_mfib_table_dump_walk,
&ctx);
vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
vec_foreach(mfeip, ctx.entries)
{
mfib_entry_get_prefix (*mfeip, &pfx);
mfib_entry_encode (*mfeip, &api_rpaths);
send_ip6_mfib_details (am, reg,
mfib_table->mft_table_id,
&pfx, api_rpaths,
mp->context);
}
vec_reset_length (api_rpaths);
vec_reset_length (ctx.entries);
}));
/* *INDENT-ON* */
vec_free (ctx.entries);
vec_free (api_rpaths);
}
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
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;
int rv = 0;
if (mp->is_add)
{
ip46_address_t nh;
memset (&nh, 0, sizeof (nh));
if (mp->is_ip6)
{
memcpy (&nh.ip6, mp->nh, sizeof (nh.ip6));
ip6_punt_redirect_add (ntohl (mp->rx_sw_if_index),
ntohl (mp->tx_sw_if_index), &nh);
}
else
{
memcpy (&nh.ip4, mp->nh, sizeof (nh.ip4));
ip4_punt_redirect_add (ntohl (mp->rx_sw_if_index),
ntohl (mp->tx_sw_if_index), &nh);
}
}
else
{
if (mp->is_ip6)
{
ip6_punt_redirect_del (ntohl (mp->rx_sw_if_index));
}
else
{
ip4_punt_redirect_del (ntohl (mp->rx_sw_if_index));
}
}
REPLY_MACRO (VL_API_IP_PUNT_REDIRECT_REPLY);
}
static void
vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t * mp,
vlib_main_t * vm)
{
vl_api_ip_neighbor_add_del_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
stats_dslock_with_hint (1 /* release hint */ , 7 /* tag */ );
/*
* there's no validation here of the ND/ARP entry being added.
* The expectation is that the FIB will ensure that nothing bad
* will come of adding bogus entries.
*/
if (mp->is_ipv6)
{
if (mp->is_add)
rv = vnet_set_ip6_ethernet_neighbor
(vm, ntohl (mp->sw_if_index),
(ip6_address_t *) (mp->dst_address),
mp->mac_address, sizeof (mp->mac_address), mp->is_static,
mp->is_no_adj_fib);
else
rv = vnet_unset_ip6_ethernet_neighbor
(vm, ntohl (mp->sw_if_index),
(ip6_address_t *) (mp->dst_address),
mp->mac_address, sizeof (mp->mac_address));
}
else
{
ethernet_arp_ip4_over_ethernet_address_t a;
clib_memcpy (&a.ethernet, mp->mac_address, 6);
clib_memcpy (&a.ip4, mp->dst_address, 4);
if (mp->is_add)
rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index),
&a, mp->is_static,
mp->is_no_adj_fib);
else
rv =
vnet_arp_unset_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index), &a);
}
stats_dsunlock ();
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_IP_NEIGHBOR_ADD_DEL_REPLY);
}
void
ip_table_delete (fib_protocol_t fproto, u32 table_id, u8 is_api)
{
u32 fib_index, mfib_index;
/*
* 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)
{
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));
}
}
}
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->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
u32 table_id = ntohl (mp->table_id);
int rv = 0;
if (mp->is_add)
{
ip_table_create (fproto, table_id, 1, mp->name);
}
else
{
ip_table_delete (fproto, table_id, 1);
}
REPLY_MACRO (VL_API_IP_TABLE_ADD_DEL_REPLY);
}
int
add_del_route_t_handler (u8 is_multipath,
u8 is_add,
u8 is_drop,
u8 is_unreach,
u8 is_prohibit,
u8 is_local,
u8 is_multicast,
u8 is_classify,
u32 classify_table_index,
u8 is_resolve_host,
u8 is_resolve_attached,
u8 is_interface_rx,
u8 is_rpf_id,
u8 is_dvr,
u8 is_source_lookup,
u8 is_udp_encap,
u32 fib_index,
const fib_prefix_t * prefix,
dpo_proto_t next_hop_proto,
const ip46_address_t * next_hop,
u32 next_hop_id,
u32 next_hop_sw_if_index,
u8 next_hop_fib_index,
u16 next_hop_weight,
u16 next_hop_preference,
mpls_label_t next_hop_via_label,
fib_mpls_label_t * next_hop_out_label_stack)
{
vnet_classify_main_t *cm = &vnet_classify_main;
fib_route_path_flags_t path_flags = FIB_ROUTE_PATH_FLAG_NONE;
fib_route_path_t path = {
.frp_proto = next_hop_proto,
.frp_addr = (NULL == next_hop ? zero_addr : *next_hop),
.frp_sw_if_index = next_hop_sw_if_index,
.frp_fib_index = next_hop_fib_index,
.frp_weight = next_hop_weight,
.frp_preference = next_hop_preference,
.frp_label_stack = next_hop_out_label_stack,
};
fib_route_path_t *paths = NULL;
fib_entry_flag_t entry_flags = FIB_ENTRY_FLAG_NONE;
/*
* the special INVALID label meams we are not recursing via a
* label. Exp-null value is never a valid via-label so that
* also means it's not a via-label and means clients that set
* it to 0 by default get the expected behaviour
*/
if ((MPLS_LABEL_INVALID != next_hop_via_label) && (0 != next_hop_via_label))
{
path.frp_proto = DPO_PROTO_MPLS;
path.frp_local_label = next_hop_via_label;
path.frp_eos = MPLS_NON_EOS;
}
if (is_dvr)
path_flags |= FIB_ROUTE_PATH_DVR;
if (is_resolve_host)
path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST;
if (is_resolve_attached)
path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED;
if (is_interface_rx)
path_flags |= FIB_ROUTE_PATH_INTF_RX;
if (is_rpf_id)
path_flags |= FIB_ROUTE_PATH_RPF_ID;
if (is_source_lookup)
path_flags |= FIB_ROUTE_PATH_SOURCE_LOOKUP;
if (is_multicast)
entry_flags |= FIB_ENTRY_FLAG_MULTICAST;
if (is_udp_encap)
{
path_flags |= FIB_ROUTE_PATH_UDP_ENCAP;
path.frp_udp_encap_id = next_hop_id;
}
if (path.frp_sw_if_index == ~0 && ip46_address_is_zero (&path.frp_addr)
&& path.frp_fib_index != ~0)
{
path_flags |= FIB_ROUTE_PATH_DEAG;
}
path.frp_flags = path_flags;
if (is_multipath)
{
stats_dslock_with_hint (1 /* release hint */ , 10 /* tag */ );
vec_add1 (paths, path);
if (is_add)
fib_table_entry_path_add2 (fib_index,
prefix,
FIB_SOURCE_API, entry_flags, paths);
else
fib_table_entry_path_remove2 (fib_index,
prefix, FIB_SOURCE_API, paths);
vec_free (paths);
stats_dsunlock ();
return 0;
}
stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
if (is_drop || is_local || is_classify || is_unreach || is_prohibit)
{
/*
* special route types that link directly to the adj
*/
if (is_add)
{
dpo_id_t dpo = DPO_INVALID;
dpo_proto_t dproto;
dproto = fib_proto_to_dpo (prefix->fp_proto);
if (is_drop)
ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_NONE, &dpo);
else if (is_local)
receive_dpo_add_or_lock (dproto, ~0, NULL, &dpo);
else if (is_unreach)
ip_null_dpo_add_and_lock (dproto,
IP_NULL_ACTION_SEND_ICMP_UNREACH, &dpo);
else if (is_prohibit)
ip_null_dpo_add_and_lock (dproto,
IP_NULL_ACTION_SEND_ICMP_PROHIBIT,
&dpo);
else if (is_classify)
{
if (pool_is_free_index (cm->tables,
ntohl (classify_table_index)))
{
stats_dsunlock ();
return VNET_API_ERROR_NO_SUCH_TABLE;
}
dpo_set (&dpo, DPO_CLASSIFY, dproto,
classify_dpo_create (dproto,
ntohl (classify_table_index)));
}
else
{
stats_dsunlock ();
return VNET_API_ERROR_NO_SUCH_TABLE;
}
fib_table_entry_special_dpo_update (fib_index,
prefix,
FIB_SOURCE_API,
FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
dpo_reset (&dpo);
}
else
{
fib_table_entry_special_remove (fib_index, prefix, FIB_SOURCE_API);
}
}
else
{
if (is_add)
{
vec_add1 (paths, path);
fib_table_entry_update (fib_index,
prefix, FIB_SOURCE_API, entry_flags, paths);
vec_free (paths);
}
else
{
fib_table_entry_delete (fib_index, prefix, FIB_SOURCE_API);
}
}
stats_dsunlock ();
return (0);
}
int
add_del_route_check (fib_protocol_t table_proto,
u32 table_id,
u32 next_hop_sw_if_index,
dpo_proto_t next_hop_table_proto,
u32 next_hop_table_id,
u8 is_rpf_id, u32 * fib_index, u32 * next_hop_fib_index)
{
vnet_main_t *vnm = vnet_get_main ();
*fib_index = fib_table_find (table_proto, ntohl (table_id));
if (~0 == *fib_index)
{
/* No such VRF, and we weren't asked to create one */
return VNET_API_ERROR_NO_SUCH_FIB;
}
if (!is_rpf_id && ~0 != ntohl (next_hop_sw_if_index))
{
if (pool_is_free_index (vnm->interface_main.sw_interfaces,
ntohl (next_hop_sw_if_index)))
{
return VNET_API_ERROR_NO_MATCHING_INTERFACE;
}
}
else
{
fib_protocol_t fib_nh_proto;
if (next_hop_table_proto > DPO_PROTO_MPLS)
return (0);
fib_nh_proto = dpo_proto_to_fib (next_hop_table_proto);
if (is_rpf_id)
*next_hop_fib_index = mfib_table_find (fib_nh_proto,
ntohl (next_hop_table_id));
else
*next_hop_fib_index = fib_table_find (fib_nh_proto,
ntohl (next_hop_table_id));
if (~0 == *next_hop_fib_index)
{
/* No such VRF, and we weren't asked to create one */
return VNET_API_ERROR_NO_SUCH_FIB;
}
}
return (0);
}
static int
ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
{
u32 fib_index, next_hop_fib_index;
fib_mpls_label_t *label_stack = NULL;
int rv, ii, n_labels;;
rv = add_del_route_check (FIB_PROTOCOL_IP4,
mp->table_id,
mp->next_hop_sw_if_index,
DPO_PROTO_IP4,
mp->next_hop_table_id,
0, &fib_index, &next_hop_fib_index);
if (0 != rv)
return (rv);
fib_prefix_t pfx = {
.fp_len = mp->dst_address_length,
.fp_proto = FIB_PROTOCOL_IP4,
};
clib_memcpy (&pfx.fp_addr.ip4, mp->dst_address, sizeof (pfx.fp_addr.ip4));
ip46_address_t nh;
memset (&nh, 0, sizeof (nh));
memcpy (&nh.ip4, mp->next_hop_address, sizeof (nh.ip4));
n_labels = mp->next_hop_n_out_labels;
if (n_labels == 0)
;
else
{
vec_validate (label_stack, n_labels - 1);
for (ii = 0; ii < n_labels; ii++)
{
label_stack[ii].fml_value =
ntohl (mp->next_hop_out_label_stack[ii].label);
label_stack[ii].fml_ttl = mp->next_hop_out_label_stack[ii].ttl;
label_stack[ii].fml_exp = mp->next_hop_out_label_stack[ii].exp;
label_stack[ii].fml_mode =
(mp->next_hop_out_label_stack[ii].is_uniform ?
FIB_MPLS_LSP_MODE_UNIFORM : FIB_MPLS_LSP_MODE_PIPE);
}
}
return (add_del_route_t_handler (mp->is_multipath,
mp->is_add,
mp->is_drop,
mp->is_unreach,
mp->is_prohibit,
mp->is_local, 0,
mp->is_classify,
mp->classify_table_index,
mp->is_resolve_host,
mp->is_resolve_attached, 0, 0,
mp->is_dvr,
mp->is_source_lookup,
mp->is_udp_encap,
fib_index, &pfx, DPO_PROTO_IP4,
&nh,
ntohl (mp->next_hop_id),
ntohl (mp->next_hop_sw_if_index),
next_hop_fib_index,
mp->next_hop_weight,
mp->next_hop_preference,
ntohl (mp->next_hop_via_label),
label_stack));
}
static int
ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
{
fib_mpls_label_t *label_stack = NULL;
u32 fib_index, next_hop_fib_index;
int rv, ii, n_labels;;
rv = add_del_route_check (FIB_PROTOCOL_IP6,
mp->table_id,
mp->next_hop_sw_if_index,
DPO_PROTO_IP6,
mp->next_hop_table_id,
0, &fib_index, &next_hop_fib_index);
if (0 != rv)
return (rv);
fib_prefix_t pfx = {
.fp_len = mp->dst_address_length,
.fp_proto = FIB_PROTOCOL_IP6,
};
clib_memcpy (&pfx.fp_addr.ip6, mp->dst_address, sizeof (pfx.fp_addr.ip6));
ip46_address_t nh;
memset (&nh, 0, sizeof (nh));
memcpy (&nh.ip6, mp->next_hop_address, sizeof (nh.ip6));
n_labels = mp->next_hop_n_out_labels;
if (n_labels == 0)
;
else
{
vec_validate (label_stack, n_labels - 1);
for (ii = 0; ii < n_labels; ii++)
{
label_stack[ii].fml_value =
ntohl (mp->next_hop_out_label_stack[ii].label);
label_stack[ii].fml_ttl = mp->next_hop_out_label_stack[ii].ttl;
label_stack[ii].fml_exp = mp->next_hop_out_label_stack[ii].exp;
label_stack[ii].fml_mode =
(mp->next_hop_out_label_stack[ii].is_uniform ?
FIB_MPLS_LSP_MODE_UNIFORM : FIB_MPLS_LSP_MODE_PIPE);
}
}
return (add_del_route_t_handler (mp->is_multipath,
mp->is_add,
mp->is_drop,
mp->is_unreach,
mp->is_prohibit,
mp->is_local, 0,
mp->is_classify,
mp->classify_table_index,
mp->is_resolve_host,
mp->is_resolve_attached, 0, 0,
mp->is_dvr,
mp->is_source_lookup,
mp->is_udp_encap,
fib_index, &pfx, DPO_PROTO_IP6,
&nh, ntohl (mp->next_hop_id),
ntohl (mp->next_hop_sw_if_index),
next_hop_fib_index,
mp->next_hop_weight,
mp->next_hop_preference,
ntohl (mp->next_hop_via_label),
label_stack));
}
void
vl_api_ip_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
{
vl_api_ip_add_del_route_reply_t *rmp;
int rv;
vnet_main_t *vnm = vnet_get_main ();
vnm->api_errno = 0;
if (mp->is_ipv6)
rv = ip6_add_del_route_t_handler (mp);
else
rv = ip4_add_del_route_t_handler (mp);
rv = (rv == 0) ? vnm->api_errno : rv;
REPLY_MACRO (VL_API_IP_ADD_DEL_ROUTE_REPLY);
}
void
ip_table_create (fib_protocol_t fproto,
u32 table_id, u8 is_api, const u8 * name)
{
u32 fib_index, mfib_index;
/*
* 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)
{
fib_table_find_or_create_and_lock_w_name (fproto, table_id,
(is_api ?
FIB_SOURCE_API :
FIB_SOURCE_CLI), name);
}
if (~0 == mfib_index)
{
mfib_table_find_or_create_and_lock_w_name (fproto, table_id,
(is_api ?
MFIB_SOURCE_API :
MFIB_SOURCE_CLI), name);
}
}
}
static int
add_del_mroute_check (fib_protocol_t table_proto,
u32 table_id,
u32 next_hop_sw_if_index, u8 is_local, u32 * fib_index)
{
vnet_main_t *vnm = vnet_get_main ();
*fib_index = mfib_table_find (table_proto, ntohl (table_id));
if (~0 == *fib_index)
{
/* No such table */
return VNET_API_ERROR_NO_SUCH_FIB;
}
if (~0 != ntohl (next_hop_sw_if_index))
{
if (pool_is_free_index (vnm->interface_main.sw_interfaces,
ntohl (next_hop_sw_if_index)))
{
return VNET_API_ERROR_NO_MATCHING_INTERFACE;
}
}
return (0);
}
static int
mroute_add_del_handler (u8 is_add,
u8 is_local,
u32 fib_index,
const mfib_prefix_t * prefix,
dpo_proto_t nh_proto,
u32 entry_flags,
fib_rpf_id_t rpf_id,
u32 next_hop_sw_if_index,
ip46_address_t * nh, u32 itf_flags, u32 bier_imp)
{
stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
fib_route_path_t path = {
.frp_sw_if_index = next_hop_sw_if_index,
.frp_proto = nh_proto,
.frp_addr = *nh,
};
if (is_local)
path.frp_flags |= FIB_ROUTE_PATH_LOCAL;
if (DPO_PROTO_BIER == nh_proto)
{
path.frp_bier_imp = bier_imp;
path.frp_flags = FIB_ROUTE_PATH_BIER_IMP;
}
else if (!is_local && ~0 == next_hop_sw_if_index)
{
mfib_table_entry_update (fib_index, prefix,
MFIB_SOURCE_API, rpf_id, entry_flags);
goto done;
}
if (is_add)
{
mfib_table_entry_path_update (fib_index, prefix,
MFIB_SOURCE_API, &path, itf_flags);
}
else
{
mfib_table_entry_path_remove (fib_index, prefix,
MFIB_SOURCE_API, &path);
}
done:
stats_dsunlock ();
return (0);
}
static int
api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
{
fib_protocol_t fproto;
dpo_proto_t nh_proto;
ip46_address_t nh;
u32 fib_index;
int rv;
nh_proto = mp->next_hop_afi;
fproto = (mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
rv = add_del_mroute_check (fproto,
mp->table_id,
mp->next_hop_sw_if_index,
mp->is_local, &fib_index);
if (0 != rv)
return (rv);
mfib_prefix_t pfx = {
.fp_len = ntohs (mp->grp_address_length),
.fp_proto = fproto,
};
if (FIB_PROTOCOL_IP4 == fproto)
{
clib_memcpy (&pfx.fp_grp_addr.ip4, mp->grp_address,
sizeof (pfx.fp_grp_addr.ip4));
clib_memcpy (&pfx.fp_src_addr.ip4, mp->src_address,
sizeof (pfx.fp_src_addr.ip4));
memset (&nh.ip6, 0, sizeof (nh.ip6));
clib_memcpy (&nh.ip4, mp->nh_address, sizeof (nh.ip4));
}
else
{
clib_memcpy (&pfx.fp_grp_addr.ip6, mp->grp_address,
sizeof (pfx.fp_grp_addr.ip6));
clib_memcpy (&pfx.fp_src_addr.ip6, mp->src_address,
sizeof (pfx.fp_src_addr.ip6));
clib_memcpy (&nh.ip6, mp->nh_address, sizeof (nh.ip6));
}
return (mroute_add_del_handler (mp->is_add,
mp->is_local,
fib_index, &pfx,
nh_proto,
ntohl (mp->entry_flags),
ntohl (mp->rpf_id),
ntohl (mp->next_hop_sw_if_index),
&nh,
ntohl (mp->itf_flags),
ntohl (mp->bier_imp)));
}
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;
int rv;
vnet_main_t *vnm = vnet_get_main ();
vnm->api_errno = 0;
rv = api_mroute_add_del_t_handler (mp);
rv = (rv == 0) ? vnm->api_errno : rv;
REPLY_MACRO (VL_API_IP_MROUTE_ADD_DEL_REPLY);
}
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));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (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,
u8 * ip, u16 prefix_length,
u32 sw_if_index, u8 is_ipv6, u32 context)
{
vl_api_ip_address_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS);
if (is_ipv6)
{
clib_memcpy (&mp->ip, ip, sizeof (mp->ip));
}
else
{
u32 *tp = (u32 *) mp->ip;
*tp = *(u32 *) ip;
}
mp->prefix_length = prefix_length;
mp->context = context;
mp->sw_if_index = htonl (sw_if_index);
mp->is_ipv6 = is_ipv6;
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_address_t *r6;
ip4_address_t *r4;
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)
{
/* *INDENT-OFF* */
/* 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,
({
r6 = ip_interface_address_get_address (lm6, ia);
u16 prefix_length = ia->address_length;
send_ip_address_details(am, reg, (u8*)r6, prefix_length,
sw_if_index, 1, mp->context);
}));
/* *INDENT-ON* */
}
else
{
/* *INDENT-OFF* */
foreach_ip_interface_address (lm4, ia, sw_if_index, 0,
({
r4 = ip_interface_address_get_address (lm4, ia);
u16 prefix_length = ia->address_length;
send_ip_address_details(am, reg, (u8*)r4, prefix_length,
sw_if_index, 0, mp->context);
}));
/* *INDENT-ON* */
}
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));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (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
{
/* *INDENT-OFF* */
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);
}
}));
/* *INDENT-ON* */
}
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_len (sorted_sis) = 0;
/* *INDENT-OFF* */
pool_foreach (si, im->sw_interfaces,
({
vec_add1 (sorted_sis, si[0]);
}));
/* *INDENT-ON* */
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);
}
}
}
static void
set_ip6_flow_hash (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;
#undef _
rv = vnet_set_ip6_flow_hash (table_id, flow_hash_config);
REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
}
static void
set_ip4_flow_hash (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;
#undef _
rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
}
static void
vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t * mp)
{
if (mp->is_ipv6 == 0)
set_ip4_flow_hash (mp);
else
set_ip6_flow_hash (mp);
}
static void
vl_api_sw_interface_ip6nd_ra_config_t_handler
(vl_api_sw_interface_ip6nd_ra_config_t * mp)
{
vl_api_sw_interface_ip6nd_ra_config_reply_t *rmp;
vlib_main_t *vm = vlib_get_main ();
int rv = 0;
u8 is_no, suppress, managed, other, ll_option, send_unicast, cease,
default_router;
is_no = mp->is_no == 1;
suppress = mp->suppress == 1;
managed = mp->managed == 1;
other = mp->other == 1;
ll_option = mp->ll_option == 1;
send_unicast = mp->send_unicast == 1;
cease = mp->cease == 1;
default_router = mp->default_router == 1;
VALIDATE_SW_IF_INDEX (mp);
rv = ip6_neighbor_ra_config (vm, ntohl (mp->sw_if_index),
suppress, managed, other,
ll_option, send_unicast, cease,
default_router, ntohl (mp->lifetime),
ntohl (mp->initial_count),
ntohl (mp->initial_interval),
ntohl (mp->max_interval),
ntohl (mp->min_interval), is_no);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
}
static void
vl_api_sw_interface_ip6nd_ra_prefix_t_handler
(vl_api_sw_interface_ip6nd_ra_prefix_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
vl_api_sw_interface_ip6nd_ra_prefix_reply_t *rmp;
int rv = 0;
u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink;
VALIDATE_SW_IF_INDEX (mp);
is_no = mp->is_no == 1;
use_default = mp->use_default == 1;
no_advertise = mp->no_advertise == 1;
off_link = mp->off_link == 1;
no_autoconfig = mp->no_autoconfig == 1;
no_onlink = mp->no_onlink == 1;
rv = ip6_neighbor_ra_prefix (vm, ntohl (mp->sw_if_index),
(ip6_address_t *) mp->address,
mp->address_length, use_default,
ntohl (mp->val_lifetime),
ntohl (mp->pref_lifetime), no_advertise,
off_link, no_autoconfig, no_onlink, is_no);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
}
static void
send_ip6nd_proxy_details (vl_api_registration_t * reg,
u32 context,
const ip46_address_t * addr, u32 sw_if_index)
{
vl_api_ip6nd_proxy_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IP6ND_PROXY_DETAILS);
mp->context = context;
mp->sw_if_index = htonl (sw_if_index);
memcpy (mp->address, addr, 16);
vl_api_send_msg (reg, (u8 *) mp);
}
typedef struct api_ip6nd_proxy_fib_table_walk_ctx_t_
{
u32 *indices;
} api_ip6nd_proxy_fib_table_walk_ctx_t;
static fib_table_walk_rc_t
api_ip6nd_proxy_fib_table_walk (fib_node_index_t fei, void *arg)
{
api_ip6nd_proxy_fib_table_walk_ctx_t *ctx = arg;
if (fib_entry_is_sourced (fei, FIB_SOURCE_IP6_ND_PROXY))
{
vec_add1 (ctx->indices, fei);
}
return (FIB_TABLE_WALK_CONTINUE);
}
static void
vl_api_ip6nd_proxy_dump_t_handler (vl_api_ip6nd_proxy_dump_t * mp)
{
ip6_main_t *im6 = &ip6_main;
fib_table_t *fib_table;
api_ip6nd_proxy_fib_table_walk_ctx_t ctx = {
.indices = NULL,
};
fib_node_index_t *feip;
fib_prefix_t pfx;
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
/* *INDENT-OFF* */
pool_foreach (fib_table, im6->fibs,
({
fib_table_walk(fib_table->ft_index,
FIB_PROTOCOL_IP6,
api_ip6nd_proxy_fib_table_walk,
&ctx);
}));
/* *INDENT-ON* */
vec_sort_with_function (ctx.indices, fib_entry_cmp_for_sort);
vec_foreach (feip, ctx.indices)
{
fib_entry_get_prefix (*feip, &pfx);
send_ip6nd_proxy_details (reg,
mp->context,
&pfx.fp_addr,
fib_entry_get_resolving_interface (*feip));
}
vec_free (ctx.indices);
}
static void
vl_api_ip6nd_proxy_add_del_t_handler (vl_api_ip6nd_proxy_add_del_t * mp)
{
vl_api_ip6nd_proxy_add_del_reply_t *rmp;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
rv = ip6_neighbor_proxy_add_del (ntohl (mp->sw_if_index),
(ip6_address_t *) mp->address, mp->is_del);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_IP6ND_PROXY_ADD_DEL_REPLY);
}
static void
vl_api_ip6nd_send_router_solicitation_t_handler
(vl_api_ip6nd_send_router_solicitation_t * mp)
{
vl_api_ip6nd_send_router_solicitation_reply_t *rmp;
icmp6_send_router_solicitation_params_t params;
vlib_main_t *vm = vlib_get_main ();
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_IP6ND_SEND_ROUTER_SOLICITATION_REPLY);
if (rv != 0)
return;
params.irt = ntohl (mp->irt);
params.mrt = ntohl (mp->mrt);
params.mrc = ntohl (mp->mrc);
params.mrd = ntohl (mp->mrd);
icmp6_send_router_solicitation (vm, ntohl (mp->sw_if_index), mp->stop,
&params);
}
static void
vl_api_sw_interface_ip6_enable_disable_t_handler
(vl_api_sw_interface_ip6_enable_disable_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
vl_api_sw_interface_ip6_enable_disable_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
int rv = 0;
clib_error_t *error;
vnm->api_errno = 0;
VALIDATE_SW_IF_INDEX (mp);
error =
(mp->enable == 1) ? enable_ip6_interface (vm,
ntohl (mp->sw_if_index)) :
disable_ip6_interface (vm, ntohl (mp->sw_if_index));
if (error)
{
clib_error_report (error);
rv = VNET_API_ERROR_UNSPECIFIED;
}
else
{
rv = vnm->api_errno;
}
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_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)
{
vlib_main_t *vm = vlib_get_main ();
vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp;
int rv = 0;
clib_error_t *error;
vnet_main_t *vnm = vnet_get_main ();
vnm->api_errno = 0;
VALIDATE_SW_IF_INDEX (mp);
error = set_ip6_link_local_address (vm,
ntohl (mp->sw_if_index),
(ip6_address_t *) mp->address);
if (error)
{
clib_error_report (error);
rv = VNET_API_ERROR_UNSPECIFIED;
}
else
{
rv = vnm->api_errno;
}
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_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;
mfib_prefix_t prefix;
mfib_table_t *mfib;
mfib_itf_t *mfi;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_MFIB_SIGNAL_DETAILS);
mp->context = context;
mfi = mfib_itf_get (mfs->mfs_itf);
mfib_entry_get_prefix (mfs->mfs_entry, &prefix);
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);
if (FIB_PROTOCOL_IP4 == prefix.fp_proto)
{
mp->grp_address_len = ntohs (prefix.fp_len);
memcpy (mp->grp_address, &prefix.fp_grp_addr.ip4, 4);
if (prefix.fp_len > 32)
{
memcpy (mp->src_address, &prefix.fp_src_addr.ip4, 4);
}
}
else
{
mp->grp_address_len = ntohs (prefix.fp_len);
ASSERT (0);
}
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;
memset (&args, 0, sizeof (args));
ip_set (&args.prefix.fp_addr, mp->ip, mp->is_ip4);
args.prefix.fp_len = mp->plen ? mp->plen : (mp->is_ip4 ? 32 : 128);
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);
}
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_ipv6 = mp->is_ipv6;
u8 is_add = mp->is_add;
u8 mask_length = mp->mask_length;
ip4_address_t ip4_addr;
ip6_address_t ip6_addr;
u16 *low_ports = 0;
u16 *high_ports = 0;
u32 vrf_id;
u16 tmp_low, tmp_high;
u8 num_ranges;
int i;
// 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);
}
// Validate mask_length
if ((is_ipv6 && mask_length > 128) || (!is_ipv6 && mask_length > 32))
{
rv = VNET_API_ERROR_ADDRESS_LENGTH_MISMATCH;
goto reply;
}
vrf_id = ntohl (mp->vrf_id);
if (vrf_id < 1)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto reply;
}
if (is_ipv6)
{
clib_memcpy (ip6_addr.as_u8, mp->address, sizeof (ip6_addr.as_u8));
rv = ip6_source_and_port_range_check_add_del (&ip6_addr,
mask_length,
vrf_id,
low_ports,
high_ports, is_add);
}
else
{
clib_memcpy (ip4_addr.data, mp->address, sizeof (ip4_addr));
rv = ip4_source_and_port_range_check_add_del (&ip4_addr,
mask_length,
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);
}
#define IP4_ARP_EVENT 3
#define IP6_ND_EVENT 4
static int arp_change_delete_callback (u32 pool_index, u8 * notused);
static int nd_change_delete_callback (u32 pool_index, u8 * notused);
static vlib_node_registration_t ip_resolver_process_node;
static void
handle_ip4_arp_event (u32 pool_index)
{
vpe_api_main_t *vam = &vpe_api_main;
vnet_main_t *vnm = vam->vnet_main;
vlib_main_t *vm = vam->vlib_main;
vl_api_ip4_arp_event_t *event;
vl_api_ip4_arp_event_t *mp;
vl_api_registration_t *reg;
/* Client can cancel, die, etc. */
if (pool_is_free_index (vam->arp_events, pool_index))
return;
event = pool_elt_at_index (vam->arp_events, pool_index);
reg = vl_api_client_index_to_registration (event->client_index);
if (!reg)
{
(void) vnet_add_del_ip4_arp_change_event
(vnm, arp_change_delete_callback,
event->pid, &event->address,
ip_resolver_process_node.index, IP4_ARP_EVENT,
~0 /* pool index, notused */ , 0 /* is_add */ );
return;
}
if (vl_api_can_send_msg (reg))
{
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memcpy (mp, event, sizeof (*mp));
vl_api_send_msg (reg, (u8 *) mp);
}
else
{
static f64 last_time;
/*
* Throttle syslog msgs.
* It's pretty tempting to just revoke the registration...
*/
if (vlib_time_now (vm) > last_time + 10.0)
{
clib_warning ("arp event for %U to pid %d: queue stuffed!",
format_ip4_address, &event->address, event->pid);
last_time = vlib_time_now (vm);
}
}
}
static void
handle_ip6_nd_event (u32 pool_index)
{
vpe_api_main_t *vam = &vpe_api_main;
vnet_main_t *vnm = vam->vnet_main;
vlib_main_t *vm = vam->vlib_main;
vl_api_ip6_nd_event_t *event;
vl_api_ip6_nd_event_t *mp;
vl_api_registration_t *reg;
/* Client can cancel, die, etc. */
if (pool_is_free_index (vam->nd_events, pool_index))
return;
event = pool_elt_at_index (vam->nd_events, pool_index);
reg = vl_api_client_index_to_registration (event->client_index);
if (!reg)
{
(void) vnet_add_del_ip6_nd_change_event
(vnm, nd_change_delete_callback,
event->pid, &event->address,
ip_resolver_process_node.index, IP6_ND_EVENT,
~0 /* pool index, notused */ , 0 /* is_add */ );
return;
}
if (vl_api_can_send_msg (reg))
{
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memcpy (mp, event, sizeof (*mp));
vl_api_send_msg (reg, (u8 *) mp);
}
else
{
static f64 last_time;
/*
* Throttle syslog msgs.
* It's pretty tempting to just revoke the registration...
*/
if (vlib_time_now (vm) > last_time + 10.0)
{
clib_warning ("ip6 nd event for %U to pid %d: queue stuffed!",
format_ip6_address, &event->address, event->pid);
last_time = vlib_time_now (vm);
}
}
}
static uword
resolver_process (vlib_main_t * vm,
vlib_node_runtime_t * rt, vlib_frame_t * f)
{
volatile f64 timeout = 100.0;
volatile uword *event_data = 0;
while (1)
{
vlib_process_wait_for_event_or_clock (vm, timeout);
uword event_type =
vlib_process_get_events (vm, (uword **) & event_data);
int i;
switch (event_type)
{
case IP4_ARP_EVENT:
for (i = 0; i < vec_len (event_data); i++)
handle_ip4_arp_event (event_data[i]);
break;
case IP6_ND_EVENT:
for (i = 0; i < vec_len (event_data); i++)
handle_ip6_nd_event (event_data[i]);
break;
case ~0: /* timeout */
break;
}
vec_reset_length (event_data);
}
return 0; /* or not */
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip_resolver_process_node,static) = {
.function = resolver_process,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "ip-route-resolver-process",
};
/* *INDENT-ON* */
static int
nd_change_data_callback (u32 pool_index, u8 * new_mac,
u32 sw_if_index, ip6_address_t * address)
{
vpe_api_main_t *am = &vpe_api_main;
vl_api_ip6_nd_event_t *event;
if (pool_is_free_index (am->nd_events, pool_index))
return 1;
event = pool_elt_at_index (am->nd_events, pool_index);
if (eth_mac_equal (event->new_mac, new_mac) &&
sw_if_index == ntohl (event->sw_if_index))
{
return 1;
}
clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac));
event->sw_if_index = htonl (sw_if_index);
return 0;
}
static int
arp_change_delete_callback (u32 pool_index, u8 * notused)
{
vpe_api_main_t *am = &vpe_api_main;
if (pool_is_free_index (am->arp_events, pool_index))
return 1;
pool_put_index (am->arp_events, pool_index);
return 0;
}
static int
nd_change_delete_callback (u32 pool_index, u8 * notused)
{
vpe_api_main_t *am = &vpe_api_main;
if (pool_is_free_index (am->nd_events, pool_index))
return 1;
pool_put_index (am->nd_events, pool_index);
return 0;
}
static vlib_node_registration_t wc_arp_process_node;
enum
{ WC_ARP_REPORT, WC_ND_REPORT, RA_REPORT, REPORT_MAX };
static uword
wc_arp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
{
/* These cross the longjmp boundry (vlib_process_wait_for_event)
* and need to be volatile - to prevent them from being optimized into
* a register - which could change during suspension */
volatile wc_arp_report_t arp_prev = { 0 };
volatile wc_nd_report_t nd_prev = { 0 };
volatile f64 last_arp = vlib_time_now (vm);
volatile f64 last_nd = vlib_time_now (vm);
while (1)
{
vlib_process_wait_for_event (vm);
uword event_type = WC_ARP_REPORT;
void *event_data = vlib_process_get_event_data (vm, &event_type);
f64 now = vlib_time_now (vm);
int i;
if (event_type == WC_ARP_REPORT)
{
wc_arp_report_t *arp_events = event_data;
for (i = 0; i < vec_len (arp_events); i++)
{
/* discard dup event */
if (arp_prev.ip4 == arp_events[i].ip4 &&
eth_mac_equal ((u8 *) arp_prev.mac, arp_events[i].mac) &&
arp_prev.sw_if_index == arp_events[i].sw_if_index &&
(now - last_arp) < 10.0)
{
continue;
}
arp_prev = arp_events[i];
last_arp = now;
vpe_client_registration_t *reg;
/* *INDENT-OFF* */
pool_foreach(reg, vpe_api_main.wc_ip4_arp_events_registrations,
({
vl_api_registration_t *vl_reg;
vl_reg = vl_api_client_index_to_registration (reg->client_index);
ASSERT (vl_reg != NULL);
if (reg && vl_api_can_send_msg (vl_reg))
{
vl_api_ip4_arp_event_t * event = vl_msg_api_alloc (sizeof *event);
memset (event, 0, sizeof *event);
event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT);
event->client_index = reg->client_index;
event->pid = reg->client_pid;
event->mac_ip = 1;
event->address = arp_events[i].ip4;
event->sw_if_index = htonl(arp_events[i].sw_if_index);
memcpy(event->new_mac, arp_events[i].mac, sizeof event->new_mac);
vl_api_send_msg (vl_reg, (u8 *) event);
}
}));
/* *INDENT-ON* */
}
}
else if (event_type == WC_ND_REPORT)
{
wc_nd_report_t *nd_events = event_data;
for (i = 0; i < vec_len (nd_events); i++)
{
/* discard dup event */
if (ip6_address_is_equal
((ip6_address_t *) & nd_prev.ip6, &nd_events[i].ip6)
&& eth_mac_equal ((u8 *) nd_prev.mac, nd_events[i].mac)
&& nd_prev.sw_if_index == nd_events[i].sw_if_index
&& (now - last_nd) < 10.0)
{
continue;
}
nd_prev = nd_events[i];
last_nd = now;
vpe_client_registration_t *reg;
/* *INDENT-OFF* */
pool_foreach(reg, vpe_api_main.wc_ip6_nd_events_registrations,
({
vl_api_registration_t *vl_reg;
vl_reg = vl_api_client_index_to_registration (reg->client_index);
if (vl_reg && vl_api_can_send_msg (vl_reg))
{
vl_api_ip6_nd_event_t * event = vl_msg_api_alloc (sizeof *event);
memset (event, 0, sizeof *event);
event->_vl_msg_id = htons (VL_API_IP6_ND_EVENT);
event->client_index = reg->client_index;
event->pid = reg->client_pid;
event->mac_ip = 1;
memcpy(event->address, nd_events[i].ip6.as_u8, sizeof event->address);
event->sw_if_index = htonl(nd_events[i].sw_if_index);
memcpy(event->new_mac, nd_events[i].mac, sizeof event->new_mac);
vl_api_send_msg (vl_reg, (u8 *) event);
}
}));
/* *INDENT-ON* */
}
}
else if (event_type == RA_REPORT)
{
ra_report_t *ra_events = event_data;
for (i = 0; i < vec_len (ra_events); i++)
{
ip6_neighbor_public_main_t *npm = &ip6_neighbor_public_main;
call_ip6_neighbor_callbacks (&ra_events[i],
npm->ra_report_functions);
vpe_client_registration_t *reg;
/* *INDENT-OFF* */
pool_foreach(reg, vpe_api_main.ip6_ra_events_registrations,
({
vl_api_registration_t *vl_reg;
vl_reg =
vl_api_client_index_to_registration (reg->client_index);
if (vl_reg && vl_api_can_send_msg (vl_reg))
{
u32 event_size =
sizeof (vl_api_ip6_ra_event_t) +
vec_len (ra_events[i].prefixes) *
sizeof (vl_api_ip6_ra_prefix_info_t);
vl_api_ip6_ra_event_t *event =
vl_msg_api_alloc (event_size);
memset (event, 0, event_size);
event->_vl_msg_id = htons (VL_API_IP6_RA_EVENT);
event->client_index = reg->client_index;
event->pid = reg->client_pid;
event->sw_if_index = clib_host_to_net_u32 (ra_events[i].sw_if_index);
memcpy (event->router_address, ra_events[i].router_address, 16);
event->current_hop_limit = ra_events[i].current_hop_limit;
event->flags = ra_events[i].flags;
event->router_lifetime_in_sec =
clib_host_to_net_u16 (ra_events
[i].router_lifetime_in_sec);
event->neighbor_reachable_time_in_msec =
clib_host_to_net_u32 (ra_events
[i].neighbor_reachable_time_in_msec);
event->time_in_msec_between_retransmitted_neighbor_solicitations
=
clib_host_to_net_u32 (ra_events
[i].time_in_msec_between_retransmitted_neighbor_solicitations);
event->n_prefixes =
clib_host_to_net_u32 (vec_len (ra_events[i].prefixes));
vl_api_ip6_ra_prefix_info_t *prefix =
(typeof (prefix)) event->prefixes;
u32 j;
for (j = 0; j < vec_len (ra_events[i].prefixes); j++)
{
ra_report_prefix_info_t *info =
&ra_events[i].prefixes[j];
memcpy (prefix->dst_address, info->dst_address.as_u8,
16);
prefix->dst_address_length = info->dst_address_length;
prefix->flags = info->flags;
prefix->valid_time =
clib_host_to_net_u32 (info->valid_time);
prefix->preferred_time =
clib_host_to_net_u32 (info->preferred_time);
prefix++;
}
vl_api_send_msg (vl_reg, (u8 *) event);
}
}));
/* *INDENT-ON* */
}
}
vlib_process_put_event_data (vm, event_data);
}
return 0;
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (wc_arp_process_node,static) = {
.function = wc_arp_process,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "wildcard-ip4-arp-publisher-process",
};
/* *INDENT-ON* */
static int
arp_change_data_callback (u32 pool_index, u8 * new_mac,
u32 sw_if_index, u32 address)
{
vpe_api_main_t *am = &vpe_api_main;
vl_api_ip4_arp_event_t *event;
if (pool_is_free_index (am->arp_events, pool_index))
return 1;
event = pool_elt_at_index (am->arp_events, pool_index);
if (eth_mac_equal (event->new_mac, new_mac) &&
sw_if_index == ntohl (event->sw_if_index))
{
return 1;
}
clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac));
event->sw_if_index = htonl (sw_if_index);
return 0;
}
static void
vl_api_want_ip4_arp_events_t_handler (vl_api_want_ip4_arp_events_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vnet_main_t *vnm = vnet_get_main ();
vl_api_want_ip4_arp_events_reply_t *rmp;
int rv = 0;
if (mp->address == 0)
{
uword *p =
hash_get (am->wc_ip4_arp_events_registration_hash, mp->client_index);
vpe_client_registration_t *rp;
if (p)
{
if (mp->enable_disable)
{
clib_warning ("pid %d: already enabled...", mp->pid);
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto reply;
}
else
{
rp =
pool_elt_at_index (am->wc_ip4_arp_events_registrations, p[0]);
pool_put (am->wc_ip4_arp_events_registrations, rp);
hash_unset (am->wc_ip4_arp_events_registration_hash,
mp->client_index);
if (pool_elts (am->wc_ip4_arp_events_registrations) == 0)
wc_arp_set_publisher_node (~0, REPORT_MAX);
goto reply;
}
}
if (mp->enable_disable == 0)
{
clib_warning ("pid %d: already disabled...", mp->pid);
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto reply;
}
pool_get (am->wc_ip4_arp_events_registrations, rp);
rp->client_index = mp->client_index;
rp->client_pid = mp->pid;
hash_set (am->wc_ip4_arp_events_registration_hash, rp->client_index,
rp - am->wc_ip4_arp_events_registrations);
wc_arp_set_publisher_node (wc_arp_process_node.index, WC_ARP_REPORT);
goto reply;
}
if (mp->enable_disable)
{
vl_api_ip4_arp_event_t *event;
pool_get (am->arp_events, event);
rv = vnet_add_del_ip4_arp_change_event
(vnm, arp_change_data_callback,
mp->pid, &mp->address /* addr, in net byte order */ ,
ip_resolver_process_node.index,
IP4_ARP_EVENT, event - am->arp_events, 1 /* is_add */ );
if (rv)
{
pool_put (am->arp_events, event);
goto reply;
}
memset (event, 0, sizeof (*event));
/* Python API expects events to have no context */
event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT);
event->client_index = mp->client_index;
event->address = mp->address;
event->pid = mp->pid;
if (mp->address == 0)
event->mac_ip = 1;
}
else
{
rv = vnet_add_del_ip4_arp_change_event
(vnm, arp_change_delete_callback,
mp->pid, &mp->address /* addr, in net byte order */ ,
ip_resolver_process_node.index,
IP4_ARP_EVENT, ~0 /* pool index */ , 0 /* is_add */ );
}
reply:
REPLY_MACRO (VL_API_WANT_IP4_ARP_EVENTS_REPLY);
}
static clib_error_t *
want_ip4_arp_events_reaper (u32 client_index)
{
vpe_client_registration_t *rp;
vl_api_ip4_arp_event_t *event;
u32 *to_delete, *event_id;
vpe_api_main_t *am;
vnet_main_t *vnm;
uword *p;
am = &vpe_api_main;
vnm = vnet_get_main ();
to_delete = NULL;
/* clear out all of its pending resolutions */
/* *INDENT-OFF* */
pool_foreach(event, am->arp_events,
({
if (event->client_index == client_index)
{
vec_add1(to_delete, event - am->arp_events);
}
}));
/* *INDENT-ON* */
vec_foreach (event_id, to_delete)
{
event = pool_elt_at_index (am->arp_events, *event_id);
vnet_add_del_ip4_arp_change_event
(vnm, arp_change_delete_callback,
event->pid, &event->address,
ip_resolver_process_node.index, IP4_ARP_EVENT,
~0 /* pool index, notused */ , 0 /* is_add */ );
}
vec_free (to_delete);
/* remove from the registration hash */
p = hash_get (am->wc_ip4_arp_events_registration_hash, client_index);
if (p)
{
rp = pool_elt_at_index (am->wc_ip4_arp_events_registrations, p[0]);
pool_put (am->wc_ip4_arp_events_registrations, rp);
hash_unset (am->wc_ip4_arp_events_registration_hash, client_index);
if (pool_elts (am->wc_ip4_arp_events_registrations) == 0)
wc_arp_set_publisher_node (~0, REPORT_MAX);
}
return (NULL);
}
VL_MSG_API_REAPER_FUNCTION (want_ip4_arp_events_reaper);
static void
vl_api_want_ip6_nd_events_t_handler (vl_api_want_ip6_nd_events_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vnet_main_t *vnm = vnet_get_main ();
vl_api_want_ip6_nd_events_reply_t *rmp;
int rv = 0;
if (ip6_address_is_zero ((ip6_address_t *) mp->address))
{
uword *p =
hash_get (am->wc_ip6_nd_events_registration_hash, mp->client_index);
vpe_client_registration_t *rp;
if (p)
{
if (mp->enable_disable)
{
clib_warning ("pid %d: already enabled...", mp->pid);
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto reply;
}
else
{
rp =
pool_elt_at_index (am->wc_ip6_nd_events_registrations, p[0]);
pool_put (am->wc_ip6_nd_events_registrations, rp);
hash_unset (am->wc_ip6_nd_events_registration_hash,
mp->client_index);
if (pool_elts (am->wc_ip6_nd_events_registrations) == 0)
wc_nd_set_publisher_node (~0, REPORT_MAX);
goto reply;
}
}
if (mp->enable_disable == 0)
{
clib_warning ("pid %d: already disabled...", mp->pid);
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto reply;
}
pool_get (am->wc_ip6_nd_events_registrations, rp);
rp->client_index = mp->client_index;
rp->client_pid = mp->pid;
hash_set (am->wc_ip6_nd_events_registration_hash, rp->client_index,
rp - am->wc_ip6_nd_events_registrations);
wc_nd_set_publisher_node (wc_arp_process_node.index, WC_ND_REPORT);
goto reply;
}
if (mp->enable_disable)
{
vl_api_ip6_nd_event_t *event;
pool_get (am->nd_events, event);
rv = vnet_add_del_ip6_nd_change_event
(vnm, nd_change_data_callback,
mp->pid, mp->address /* addr, in net byte order */ ,
ip_resolver_process_node.index,
IP6_ND_EVENT, event - am->nd_events, 1 /* is_add */ );
if (rv)
{
pool_put (am->nd_events, event);
goto reply;
}
memset (event, 0, sizeof (*event));
event->_vl_msg_id = ntohs (VL_API_IP6_ND_EVENT);
event->client_index = mp->client_index;
clib_memcpy (event->address, mp->address, sizeof event->address);
event->pid = mp->pid;
}
else
{
rv = vnet_add_del_ip6_nd_change_event
(vnm, nd_change_delete_callback,
mp->pid, mp->address /* addr, in net byte order */ ,
ip_resolver_process_node.index,
IP6_ND_EVENT, ~0 /* pool index */ , 0 /* is_add */ );
}
reply:
REPLY_MACRO (VL_API_WANT_IP6_ND_EVENTS_REPLY);
}
static clib_error_t *
want_ip6_nd_events_reaper (u32 client_index)
{
vpe_client_registration_t *rp;
vl_api_ip6_nd_event_t *event;
u32 *to_delete, *event_id;
vpe_api_main_t *am;
vnet_main_t *vnm;
uword *p;
am = &vpe_api_main;
vnm = vnet_get_main ();
to_delete = NULL;
/* clear out all of its pending resolutions */
/* *INDENT-OFF* */
pool_foreach(event, am->nd_events,
({
if (event->client_index == client_index)
{
vec_add1(to_delete, event - am->nd_events);
}
}));
/* *INDENT-ON* */
vec_foreach (event_id, to_delete)
{
event = pool_elt_at_index (am->nd_events, *event_id);
vnet_add_del_ip6_nd_change_event
(vnm, nd_change_delete_callback,
event->pid, &event->address,
ip_resolver_process_node.index, IP6_ND_EVENT,
~0 /* pool index, notused */ , 0 /* is_add */ );
}
vec_free (to_delete);
/* remove from the registration hash */
p = hash_get (am->wc_ip6_nd_events_registration_hash, client_index);
if (p)
{
rp = pool_elt_at_index (am->wc_ip6_nd_events_registrations, p[0]);
pool_put (am->wc_ip6_nd_events_registrations, rp);
hash_unset (am->wc_ip6_nd_events_registration_hash, client_index);
if (pool_elts (am->wc_ip6_nd_events_registrations) == 0)
wc_nd_set_publisher_node (~0, REPORT_MAX);
}
return (NULL);
}
VL_MSG_API_REAPER_FUNCTION (want_ip6_nd_events_reaper);
static void
vl_api_want_ip6_ra_events_t_handler (vl_api_want_ip6_ra_events_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vl_api_want_ip6_ra_events_reply_t *rmp;
int rv = 0;
uword *p = hash_get (am->ip6_ra_events_registration_hash, mp->client_index);
vpe_client_registration_t *rp;
if (p)
{
if (mp->enable_disable)
{
clib_warning ("pid %d: already enabled...", ntohl (mp->pid));
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto reply;
}
else
{
rp = pool_elt_at_index (am->ip6_ra_events_registrations, p[0]);
pool_put (am->ip6_ra_events_registrations, rp);
hash_unset (am->ip6_ra_events_registration_hash, mp->client_index);
goto reply;
}
}
if (mp->enable_disable == 0)
{
clib_warning ("pid %d: already disabled...", ntohl (mp->pid));
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto reply;
}
pool_get (am->ip6_ra_events_registrations, rp);
rp->client_index = mp->client_index;
rp->client_pid = ntohl (mp->pid);
hash_set (am->ip6_ra_events_registration_hash, rp->client_index,
rp - am->ip6_ra_events_registrations);
reply:
REPLY_MACRO (VL_API_WANT_IP6_RA_EVENTS_REPLY);
}
static clib_error_t *
want_ip6_ra_events_reaper (u32 client_index)
{
vpe_api_main_t *am = &vpe_api_main;
vpe_client_registration_t *rp;
uword *p;
p = hash_get (am->ip6_ra_events_registration_hash, client_index);
if (p)
{
rp = pool_elt_at_index (am->ip6_ra_events_registrations, p[0]);
pool_put (am->ip6_ra_events_registrations, rp);
hash_unset (am->ip6_ra_events_registration_hash, client_index);
}
return (NULL);
}
VL_MSG_API_REAPER_FUNCTION (want_ip6_ra_events_reaper);
static void
vl_api_proxy_arp_add_del_t_handler (vl_api_proxy_arp_add_del_t * mp)
{
vl_api_proxy_arp_add_del_reply_t *rmp;
u32 fib_index;
int rv;
ip4_main_t *im = &ip4_main;
uword *p;
stats_dslock_with_hint (1 /* release hint */ , 6 /* tag */ );
p = hash_get (im->fib_index_by_table_id, ntohl (mp->proxy.vrf_id));
if (!p)
{
rv = VNET_API_ERROR_NO_SUCH_FIB;
goto out;
}
fib_index = p[0];
rv = vnet_proxy_arp_add_del ((ip4_address_t *) mp->proxy.low_address,
(ip4_address_t *) mp->proxy.hi_address,
fib_index, mp->is_add == 0);
out:
stats_dsunlock ();
REPLY_MACRO (VL_API_PROXY_ARP_ADD_DEL_REPLY);
}
typedef struct proxy_arp_walk_ctx_t_
{
vl_api_registration_t *reg;
u32 context;
} proxy_arp_walk_ctx_t;
static walk_rc_t
send_proxy_arp_details (const ip4_address_t * lo_addr,
const ip4_address_t * hi_addr,
u32 fib_index, void *data)
{
vl_api_proxy_arp_details_t *mp;
proxy_arp_walk_ctx_t *ctx;
ctx = data;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_PROXY_ARP_DETAILS);
mp->context = ctx->context;
mp->proxy.vrf_id = htonl (fib_index);
clib_memcpy (mp->proxy.low_address, lo_addr,
sizeof (mp->proxy.low_address));
clib_memcpy (mp->proxy.hi_address, hi_addr, sizeof (mp->proxy.hi_address));
vl_api_send_msg (ctx->reg, (u8 *) mp);
return (WALK_CONTINUE);
}
static void
vl_api_proxy_arp_dump_t_handler (vl_api_proxy_arp_dump_t * mp)
{
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
proxy_arp_walk_ctx_t wctx = {
.reg = reg,
.context = mp->context,
};
proxy_arp_walk (send_proxy_arp_details, &wctx);
}
static walk_rc_t
send_proxy_arp_intfc_details (vnet_main_t * vnm,
vnet_sw_interface_t * si, void *data)
{
vl_api_proxy_arp_intfc_details_t *mp;
proxy_arp_walk_ctx_t *ctx;
if (!(si->flags & VNET_SW_INTERFACE_FLAG_PROXY_ARP))
return (WALK_CONTINUE);
ctx = data;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_PROXY_ARP_INTFC_DETAILS);
mp->context = ctx->context;
mp->sw_if_index = htonl (si->sw_if_index);
vl_api_send_msg (ctx->reg, (u8 *) mp);
return (WALK_CONTINUE);
}
static void
vl_api_proxy_arp_intfc_dump_t_handler (vl_api_proxy_arp_intfc_dump_t * mp)
{
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
proxy_arp_walk_ctx_t wctx = {
.reg = reg,
.context = mp->context,
};
vnet_sw_interface_walk (vnet_get_main (),
send_proxy_arp_intfc_details, &wctx);
}
static void
vl_api_proxy_arp_intfc_enable_disable_t_handler
(vl_api_proxy_arp_intfc_enable_disable_t * mp)
{
int rv = 0;
vnet_main_t *vnm = vnet_get_main ();
vl_api_proxy_arp_intfc_enable_disable_reply_t *rmp;
VALIDATE_SW_IF_INDEX (mp);
vnet_sw_interface_t *si =
vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
ASSERT (si);
if (mp->enable_disable)
si->flags |= VNET_SW_INTERFACE_FLAG_PROXY_ARP;
else
si->flags &= ~VNET_SW_INTERFACE_FLAG_PROXY_ARP;
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY);
}
static void
vl_api_ip_probe_neighbor_t_handler (vl_api_ip_probe_neighbor_t * mp)
{
int rv = 0;
vlib_main_t *vm = vlib_get_main ();
vl_api_ip_probe_neighbor_reply_t *rmp;
clib_error_t *error;
VALIDATE_SW_IF_INDEX (mp);
u32 sw_if_index = ntohl (mp->sw_if_index);
if (mp->is_ipv6)
error = ip6_probe_neighbor (vm, (ip6_address_t *) mp->dst_address,
sw_if_index);
else
error = ip4_probe_neighbor (vm, (ip4_address_t *) mp->dst_address,
sw_if_index);
if (error)
{
clib_error_report (error);
rv = clib_error_get_code (error);
}
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY);
}
static void
vl_api_ip_scan_neighbor_enable_disable_t_handler
(vl_api_ip_scan_neighbor_enable_disable_t * mp)
{
int rv = 0;
vl_api_ip_scan_neighbor_enable_disable_reply_t *rmp;
ip_neighbor_scan_arg_t arg;
arg.mode = mp->mode;
arg.scan_interval = mp->scan_interval;
arg.max_proc_time = mp->max_proc_time;
arg.max_update = mp->max_update;
arg.scan_int_delay = mp->scan_int_delay;
arg.stale_threshold = mp->stale_threshold;
ip_neighbor_scan_enable_disable (&arg);
REPLY_MACRO (VL_API_IP_SCAN_NEIGHBOR_ENABLE_DISABLE_REPLY);
}
static int
ip4_reset_fib_t_handler (vl_api_reset_fib_t * mp)
{
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
ip4_main_t *im4 = &ip4_main;
static u32 *sw_if_indices_to_shut;
fib_table_t *fib_table;
ip4_fib_t *fib;
u32 sw_if_index;
int i;
int rv = VNET_API_ERROR_NO_SUCH_FIB;
u32 target_fib_id = ntohl (mp->vrf_id);
stats_dslock_with_hint (1 /* release hint */ , 8 /* tag */ );
/* *INDENT-OFF* */
pool_foreach (fib_table, im4->fibs,
({
vnet_sw_interface_t * si;
fib = pool_elt_at_index (im4->v4_fibs, fib_table->ft_index);
if (fib->table_id != target_fib_id)
continue;
/* remove any mpls encap/decap labels */
mpls_fib_reset_labels (fib->table_id);
/* remove any proxy arps in this fib */
vnet_proxy_arp_fib_reset (fib->table_id);
/* Set the flow hash for this fib to the default */
vnet_set_ip4_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT);
vec_reset_length (sw_if_indices_to_shut);
/* Shut down interfaces in this FIB / clean out intfc routes */
pool_foreach (si, im->sw_interfaces,
({
u32 sw_if_index = si->sw_if_index;
if (sw_if_index < vec_len (im4->fib_index_by_sw_if_index)
&& (im4->fib_index_by_sw_if_index[si->sw_if_index] ==
fib->index))
vec_add1 (sw_if_indices_to_shut, si->sw_if_index);
}));
for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) {
sw_if_index = sw_if_indices_to_shut[i];
u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
}
fib_table_flush(fib->index, FIB_PROTOCOL_IP4, FIB_SOURCE_API);
rv = 0;
break;
})); /* pool_foreach (fib) */
/* *INDENT-ON* */
stats_dsunlock ();
return rv;
}
static int
ip6_reset_fib_t_handler (vl_api_reset_fib_t * mp)
{
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
ip6_main_t *im6 = &ip6_main;
static u32 *sw_if_indices_to_shut;
fib_table_t *fib_table;
ip6_fib_t *fib;
u32 sw_if_index;
int i;
int rv = VNET_API_ERROR_NO_SUCH_FIB;
u32 target_fib_id = ntohl (mp->vrf_id);
stats_dslock_with_hint (1 /* release hint */ , 9 /* tag */ );
/* *INDENT-OFF* */
pool_foreach (fib_table, im6->fibs,
({
vnet_sw_interface_t * si;
fib = pool_elt_at_index (im6->v6_fibs, fib_table->ft_index);
if (fib->table_id != target_fib_id)
continue;
vec_reset_length (sw_if_indices_to_shut);
/* Set the flow hash for this fib to the default */
vnet_set_ip6_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT);
/* Shut down interfaces in this FIB / clean out intfc routes */
pool_foreach (si, im->sw_interfaces,
({
if (im6->fib_index_by_sw_if_index[si->sw_if_index] ==
fib->index)
vec_add1 (sw_if_indices_to_shut, si->sw_if_index);
}));
for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) {
sw_if_index = sw_if_indices_to_shut[i];
u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
}
fib_table_flush(fib->index, FIB_PROTOCOL_IP6, FIB_SOURCE_API);
rv = 0;
break;
})); /* pool_foreach (fib) */
/* *INDENT-ON* */
stats_dsunlock ();
return rv;
}
static void
vl_api_reset_fib_t_handler (vl_api_reset_fib_t * mp)
{
int rv;
vl_api_reset_fib_reply_t *rmp;
if (mp->is_ipv6)
rv = ip6_reset_fib_t_handler (mp);
else
rv = ip4_reset_fib_t_handler (mp);
REPLY_MACRO (VL_API_RESET_FIB_REPLY);
}
static void
vl_api_set_arp_neighbor_limit_t_handler (vl_api_set_arp_neighbor_limit_t * mp)
{
int rv;
vl_api_set_arp_neighbor_limit_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *error;
vnm->api_errno = 0;
if (mp->is_ipv6)
error = ip6_set_neighbor_limit (ntohl (mp->arp_neighbor_limit));
else
error = ip4_set_arp_limit (ntohl (mp->arp_neighbor_limit));
if (error)
{
clib_error_report (error);
rv = VNET_API_ERROR_UNSPECIFIED;
}
else
{
rv = vnm->api_errno;
}
REPLY_MACRO (VL_API_SET_ARP_NEIGHBOR_LIMIT_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;
if (mp->is_ip6)
{
rv = ip6_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
clib_net_to_host_u32 (mp->max_reassemblies),
clib_net_to_host_u32 (mp->expire_walk_interval_ms));
}
else
{
rv = ip4_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
clib_net_to_host_u32 (mp->max_reassemblies),
clib_net_to_host_u32 (mp->expire_walk_interval_ms));
}
REPLY_MACRO (VL_API_IP_REASSEMBLY_SET_REPLY);
}
void
vl_api_ip_reassembly_get_t_handler (vl_api_ip_reassembly_get_t * mp)
{
unix_shared_memory_queue_t *q;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
return;
vl_api_ip_reassembly_get_reply_t *rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_IP_REASSEMBLY_GET_REPLY);
rmp->context = mp->context;
rmp->retval = 0;
if (mp->is_ip6)
{
rmp->is_ip6 = 1;
ip6_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies,
&rmp->expire_walk_interval_ms);
}
else
{
rmp->is_ip6 = 0;
ip4_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies,
&rmp->expire_walk_interval_ms);
}
rmp->timeout_ms = clib_host_to_net_u32 (rmp->timeout_ms);
rmp->max_reassemblies = clib_host_to_net_u32 (rmp->max_reassemblies);
rmp->expire_walk_interval_ms =
clib_host_to_net_u32 (rmp->expire_walk_interval_ms);
vl_msg_api_send_shmem (q, (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;
rv = ip4_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index),
mp->enable_ip4);
if (0 == rv)
{
rv = ip6_reass_enable_disable (clib_net_to_host_u32 (mp->sw_if_index),
mp->enable_ip6);
}
REPLY_MACRO (VL_API_IP_REASSEMBLY_SET_REPLY);
}
#define vl_msg_name_crc_list
#include <vnet/ip/ip.api.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_ip;
#undef _
}
static clib_error_t *
ip_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_ip_api_msg;
#undef _
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
ra_set_publisher_node (wc_arp_process_node.index, RA_REPORT);
return 0;
}
VLIB_API_INIT_FUNCTION (ip_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/