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gerrit.nordix.org / fdio / vpp / 3fef8f811a013d1392f702fda1347c5211471ed7 / . / src / vnet / interface_api.c
blob: eb5b57346ce66d61a61b126a6f2491e0e147745e [file] [log] [blame]
/*
*------------------------------------------------------------------
* interface_api.c - vnet interface 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/ip/ip.h>
#include <vnet/fib/fib_table.h>
#include <vnet/mfib/mfib_table.h>
#include <vnet/l2/l2_vtr.h>
#include <vnet/vnet_msg_enum.h>
#include <vnet/fib/fib_api.h>
#include <vnet/mfib/mfib_table.h>
#include <vlibapi/api_types.h>
#include <vnet/ip/ip_types_api.h>
#include <vnet/ethernet/ethernet_types_api.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>
vpe_api_main_t vpe_api_main;
#define foreach_vpe_api_msg \
_(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags) \
_(HW_INTERFACE_SET_MTU, hw_interface_set_mtu) \
_(SW_INTERFACE_SET_MTU, sw_interface_set_mtu) \
_(WANT_INTERFACE_EVENTS, want_interface_events) \
_(SW_INTERFACE_DUMP, sw_interface_dump) \
_(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address) \
_(SW_INTERFACE_SET_RX_MODE, sw_interface_set_rx_mode) \
_(SW_INTERFACE_RX_PLACEMENT_DUMP, sw_interface_rx_placement_dump) \
_(SW_INTERFACE_SET_RX_PLACEMENT, sw_interface_set_rx_placement) \
_(SW_INTERFACE_SET_TABLE, sw_interface_set_table) \
_(SW_INTERFACE_GET_TABLE, sw_interface_get_table) \
_(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered) \
_(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats) \
_(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del) \
_(SW_INTERFACE_SET_MAC_ADDRESS, sw_interface_set_mac_address) \
_(SW_INTERFACE_GET_MAC_ADDRESS, sw_interface_get_mac_address) \
_(CREATE_VLAN_SUBIF, create_vlan_subif) \
_(CREATE_SUBIF, create_subif) \
_(DELETE_SUBIF, delete_subif) \
_(CREATE_LOOPBACK, create_loopback) \
_(CREATE_LOOPBACK_INSTANCE, create_loopback_instance) \
_(DELETE_LOOPBACK, delete_loopback) \
_(INTERFACE_NAME_RENUMBER, interface_name_renumber) \
_(COLLECT_DETAILED_INTERFACE_STATS, collect_detailed_interface_stats) \
_(SW_INTERFACE_SET_IP_DIRECTED_BROADCAST, \
sw_interface_set_ip_directed_broadcast)
static void
vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
{
vl_api_sw_interface_set_flags_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
int rv = 0;
clib_error_t *error;
u16 flags;
VALIDATE_SW_IF_INDEX (mp);
flags =
((ntohl (mp->flags)) & IF_STATUS_API_FLAG_ADMIN_UP) ?
VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
if (error)
{
rv = -1;
clib_error_report (error);
}
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
}
static void
vl_api_hw_interface_set_mtu_t_handler (vl_api_hw_interface_set_mtu_t * mp)
{
vl_api_hw_interface_set_mtu_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ntohl (mp->sw_if_index);
u16 mtu = ntohs (mp->mtu);
ethernet_main_t *em = &ethernet_main;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto bad_sw_if_index;
}
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index);
ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_if_index);
if (!eif)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto bad_sw_if_index;
}
if (mtu < hi->min_supported_packet_bytes)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto bad_sw_if_index;
}
if (mtu > hi->max_supported_packet_bytes)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto bad_sw_if_index;
}
vnet_hw_interface_set_mtu (vnm, si->hw_if_index, mtu);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_HW_INTERFACE_SET_MTU_REPLY);
}
static void
vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
{
vl_api_sw_interface_set_mtu_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ntohl (mp->sw_if_index);
int rv = 0;
int i;
u32 per_protocol_mtu[VNET_N_MTU];
VALIDATE_SW_IF_INDEX (mp);
for (i = 0; i < VNET_N_MTU; i++)
per_protocol_mtu[i] = ntohl (mp->mtu[i]);
vnet_sw_interface_set_protocol_mtu (vnm, sw_if_index, per_protocol_mtu);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
}
static void
vl_api_sw_interface_set_ip_directed_broadcast_t_handler
(vl_api_sw_interface_set_ip_directed_broadcast_t * mp)
{
vl_api_sw_interface_set_ip_directed_broadcast_reply_t *rmp;
u32 sw_if_index = ntohl (mp->sw_if_index);
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
vnet_sw_interface_ip_directed_broadcast (vnet_get_main (),
sw_if_index, mp->enable);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_SET_IP_DIRECTED_BROADCAST_REPLY);
}
static void
send_sw_interface_details (vpe_api_main_t * am,
vl_api_registration_t * rp,
vnet_sw_interface_t * swif,
u8 * interface_name, u32 context)
{
vnet_hw_interface_t *hi =
vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
uint32_t if_name_len = strlen ((char *) interface_name);
u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
uint32_t tag_len = 0;
if (tag != NULL)
tag_len = strlen ((char *) tag);
vl_api_sw_interface_details_t *mp =
vl_msg_api_alloc (sizeof (*mp) + if_name_len + tag_len);
clib_memset (mp, 0, sizeof (*mp) + if_name_len + tag_len);
mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
mp->sw_if_index = ntohl (swif->sw_if_index);
mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
mp->flags |= (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
IF_STATUS_API_FLAG_ADMIN_UP : 0;
mp->flags |= (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
IF_STATUS_API_FLAG_LINK_UP : 0;
mp->flags = ntohl (mp->flags);
mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
mp->link_speed = ntohl (hi->link_speed);
mp->link_mtu = ntohs (hi->max_packet_bytes);
mp->mtu[VNET_MTU_L3] = ntohl (swif->mtu[VNET_MTU_L3]);
mp->mtu[VNET_MTU_IP4] = ntohl (swif->mtu[VNET_MTU_IP4]);
mp->mtu[VNET_MTU_IP6] = ntohl (swif->mtu[VNET_MTU_IP6]);
mp->mtu[VNET_MTU_MPLS] = ntohl (swif->mtu[VNET_MTU_MPLS]);
mp->context = context;
/* Send the L2 address for ethernet physical intfcs */
if (swif->sup_sw_if_index == swif->sw_if_index
&& hi->hw_class_index == ethernet_hw_interface_class.index)
{
ethernet_main_t *em = ethernet_get_main (am->vlib_main);
ethernet_interface_t *ei;
ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
mac_address_encode ((mac_address_t *) ei->address, mp->l2_address);
}
else if (swif->sup_sw_if_index != swif->sw_if_index)
{
vnet_sub_interface_t *sub = &swif->sub;
mp->sub_id = ntohl (sub->id);
mp->sub_number_of_tags =
sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
mp->sub_if_flags =
ntohl (sub->eth.raw_flags & SUB_IF_API_FLAG_MASK_VNET);
/* vlan tag rewrite data */
u32 vtr_op = L2_VTR_DISABLED;
u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
&vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
{
// error - default to disabled
mp->vtr_op = ntohl (L2_VTR_DISABLED);
clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
swif->sw_if_index);
}
else
{
mp->vtr_op = ntohl (vtr_op);
mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
mp->vtr_tag1 = ntohl (vtr_tag1);
mp->vtr_tag2 = ntohl (vtr_tag2);
}
}
/* pbb tag rewrite data */
ethernet_header_t eth_hdr;
u32 vtr_op = L2_VTR_DISABLED;
u16 outer_tag = 0;
u16 b_vlanid = 0;
u32 i_sid = 0;
clib_memset (&eth_hdr, 0, sizeof (eth_hdr));
if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
&vtr_op, &outer_tag, &eth_hdr, &b_vlanid, &i_sid))
{
mp->sub_if_flags |= ntohl (SUB_IF_API_FLAG_DOT1AH);
mac_address_encode ((mac_address_t *) eth_hdr.dst_address, mp->b_dmac);
mac_address_encode ((mac_address_t *) eth_hdr.src_address, mp->b_smac);
mp->b_vlanid = b_vlanid;
mp->i_sid = i_sid;
}
char *p = (char *) &mp->interface_name;
p +=
vl_api_to_api_string (if_name_len, (char *) interface_name,
(vl_api_string_t *) p);
if (tag != NULL)
vl_api_to_api_string (tag_len, (char *) tag, (vl_api_string_t *) p);
vl_api_send_msg (rp, (u8 *) mp);
}
static void
vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
{
vpe_api_main_t *am = &vpe_api_main;
vnet_sw_interface_t *swif;
vnet_interface_main_t *im = &am->vnet_main->interface_main;
vl_api_registration_t *rp;
rp = vl_api_client_index_to_registration (mp->client_index);
if (rp == 0)
{
clib_warning ("Client %d AWOL", mp->client_index);
return;
}
u8 *filter = 0, *name = 0;
if (mp->name_filter_valid)
{
filter =
format (0, "%s%c", vl_api_from_api_string_c (&mp->name_filter), 0);
}
char *strcasestr (char *, char *); /* lnx hdr file botch */
/* *INDENT-OFF* */
pool_foreach (swif, im->sw_interfaces,
({
if (!vnet_swif_is_api_visible (swif))
continue;
vec_reset_length(name);
name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
swif, 0);
if (filter && !strcasestr((char *) name, (char *) filter))
continue;
send_sw_interface_details (am, rp, swif, name, mp->context);
}));
/* *INDENT-ON* */
vec_free (name);
vec_free (filter);
}
static void
vl_api_sw_interface_add_del_address_t_handler
(vl_api_sw_interface_add_del_address_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
vnet_main_t *vnm = vnet_get_main ();
vl_api_sw_interface_add_del_address_reply_t *rmp;
int rv = 0;
u32 is_del;
clib_error_t *error = 0;
ip46_address_t address;
VALIDATE_SW_IF_INDEX (mp);
is_del = mp->is_add == 0;
vnm->api_errno = 0;
if (mp->del_all)
ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
else if (ip_address_decode (&mp->prefix.address, &address) == IP46_TYPE_IP6)
error = ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
(void *) &address.ip6,
mp->prefix.address_length, is_del);
else
error = ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
(void *) &address.ip4,
mp->prefix.address_length, is_del);
if (error)
{
rv = vnm->api_errno;
clib_error_report (error);
goto done;
}
BAD_SW_IF_INDEX_LABEL;
done:
REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
}
void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
void
stats_dslock_with_hint (int hint, int tag)
{
}
void stats_dsunlock (void) __attribute__ ((weak));
void
stats_dsunlock (void)
{
}
static void
vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
{
vl_api_sw_interface_set_table_reply_t *rmp;
u32 sw_if_index = ntohl (mp->sw_if_index);
u32 table_id = ntohl (mp->vrf_id);
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
if (mp->is_ipv6)
rv = ip_table_bind (FIB_PROTOCOL_IP6, sw_if_index, table_id, 1);
else
rv = ip_table_bind (FIB_PROTOCOL_IP4, sw_if_index, table_id, 1);
stats_dsunlock ();
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
}
int
ip_table_bind (fib_protocol_t fproto,
u32 sw_if_index, u32 table_id, u8 is_api)
{
CLIB_UNUSED (ip_interface_address_t * ia);
u32 fib_index, mfib_index;
fib_source_t src;
mfib_source_t msrc;
if (is_api)
{
src = FIB_SOURCE_API;
msrc = MFIB_SOURCE_API;
}
else
{
src = FIB_SOURCE_CLI;
msrc = MFIB_SOURCE_CLI;
}
/*
* This if table does not exist = error is what we want in the end.
*/
fib_index = fib_table_find (fproto, table_id);
mfib_index = mfib_table_find (fproto, table_id);
if (~0 == fib_index || ~0 == mfib_index)
{
return (VNET_API_ERROR_NO_SUCH_FIB);
}
if (FIB_PROTOCOL_IP6 == fproto)
{
/*
* If the interface already has in IP address, then a change int
* VRF is not allowed. The IP address applied must first be removed.
* We do not do that automatically here, since VPP has no knowledge
* of whether those subnets are valid in the destination VRF.
*/
/* *INDENT-OFF* */
foreach_ip_interface_address (&ip6_main.lookup_main,
ia, sw_if_index,
1 /* honor unnumbered */ ,
({
return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
}));
/* *INDENT-ON* */
vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
/*
* tell those that are interested that the binding is changing.
*/
ip6_table_bind_callback_t *cb;
vec_foreach (cb, ip6_main.table_bind_callbacks)
cb->function (&ip6_main, cb->function_opaque,
sw_if_index,
fib_index,
ip6_main.fib_index_by_sw_if_index[sw_if_index]);
if (0 == table_id)
{
/* reset back to default */
if (0 != ip6_main.fib_index_by_sw_if_index[sw_if_index])
fib_table_unlock (ip6_main.fib_index_by_sw_if_index[sw_if_index],
FIB_PROTOCOL_IP6, src);
if (0 != ip6_main.mfib_index_by_sw_if_index[sw_if_index])
mfib_table_unlock (ip6_main.mfib_index_by_sw_if_index
[sw_if_index], FIB_PROTOCOL_IP6, msrc);
}
else
{
/* we need to lock the table now it's inuse */
fib_table_lock (fib_index, FIB_PROTOCOL_IP6, src);
mfib_table_lock (mfib_index, FIB_PROTOCOL_IP6, msrc);
}
ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
ip6_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
}
else
{
/*
* If the interface already has in IP address, then a change int
* VRF is not allowed. The IP address applied must first be removed.
* We do not do that automatically here, since VPP has no knowledge
* of whether those subnets are valid in the destination VRF.
*/
/* *INDENT-OFF* */
foreach_ip_interface_address (&ip4_main.lookup_main,
ia, sw_if_index,
1 /* honor unnumbered */ ,
({
return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
}));
/* *INDENT-ON* */
vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
/*
* tell those that are interested that the binding is changing.
*/
ip4_table_bind_callback_t *cb;
vec_foreach (cb, ip4_main.table_bind_callbacks)
cb->function (&ip4_main, cb->function_opaque,
sw_if_index,
fib_index,
ip4_main.fib_index_by_sw_if_index[sw_if_index]);
if (0 == table_id)
{
/* reset back to default */
if (0 != ip4_main.fib_index_by_sw_if_index[sw_if_index])
fib_table_unlock (ip4_main.fib_index_by_sw_if_index[sw_if_index],
FIB_PROTOCOL_IP4, src);
if (0 != ip4_main.mfib_index_by_sw_if_index[sw_if_index])
mfib_table_unlock (ip4_main.mfib_index_by_sw_if_index
[sw_if_index], FIB_PROTOCOL_IP4, msrc);
}
else
{
/* we need to lock the table now it's inuse */
fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
table_id, src);
mfib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
table_id, msrc);
}
ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
}
return (0);
}
static void
send_sw_interface_get_table_reply (vl_api_registration_t * reg,
u32 context, int retval, u32 vrf_id)
{
vl_api_sw_interface_get_table_reply_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
mp->context = context;
mp->retval = htonl (retval);
mp->vrf_id = htonl (vrf_id);
vl_api_send_msg (reg, (u8 *) mp);
}
static void
vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
{
vl_api_registration_t *reg;
fib_table_t *fib_table = 0;
u32 sw_if_index = ~0;
u32 fib_index = ~0;
u32 table_id = ~0;
fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
int rv = 0;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
VALIDATE_SW_IF_INDEX (mp);
sw_if_index = ntohl (mp->sw_if_index);
if (mp->is_ipv6)
fib_proto = FIB_PROTOCOL_IP6;
fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
if (fib_index != ~0)
{
fib_table = fib_table_get (fib_index, fib_proto);
table_id = fib_table->ft_table_id;
}
BAD_SW_IF_INDEX_LABEL;
send_sw_interface_get_table_reply (reg, mp->context, rv, table_id);
}
static void vl_api_sw_interface_set_unnumbered_t_handler
(vl_api_sw_interface_set_unnumbered_t * mp)
{
vl_api_sw_interface_set_unnumbered_reply_t *rmp;
int rv = 0;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ntohl (mp->sw_if_index);
u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
/*
* The API message field names are backwards from
* the underlying data structure names.
* It's not worth changing them now.
*/
if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
{
rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
goto done;
}
/* Only check the "use loop0" field when setting the binding */
if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
{
rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
goto done;
}
vnet_sw_interface_update_unnumbered (unnumbered_sw_if_index,
sw_if_index, mp->is_add);
done:
REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
}
static void
vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
mp)
{
vl_api_sw_interface_clear_stats_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
vlib_simple_counter_main_t *sm;
vlib_combined_counter_main_t *cm;
static vnet_main_t **my_vnet_mains;
int i, j, n_counters;
int rv = 0;
if (mp->sw_if_index != ~0)
VALIDATE_SW_IF_INDEX (mp);
vec_reset_length (my_vnet_mains);
for (i = 0; i < vec_len (vnet_mains); i++)
{
if (vnet_mains[i])
vec_add1 (my_vnet_mains, vnet_mains[i]);
}
if (vec_len (vnet_mains) == 0)
vec_add1 (my_vnet_mains, vnm);
n_counters = vec_len (im->combined_sw_if_counters);
for (j = 0; j < n_counters; j++)
{
for (i = 0; i < vec_len (my_vnet_mains); i++)
{
im = &my_vnet_mains[i]->interface_main;
cm = im->combined_sw_if_counters + j;
if (mp->sw_if_index == (u32) ~ 0)
vlib_clear_combined_counters (cm);
else
vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
}
}
n_counters = vec_len (im->sw_if_counters);
for (j = 0; j < n_counters; j++)
{
for (i = 0; i < vec_len (my_vnet_mains); i++)
{
im = &my_vnet_mains[i]->interface_main;
sm = im->sw_if_counters + j;
if (mp->sw_if_index == (u32) ~ 0)
vlib_clear_simple_counters (sm);
else
vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
}
}
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
}
#define API_LINK_STATE_EVENT 1
#define API_ADMIN_UP_DOWN_EVENT 2
static int
event_data_cmp (void *a1, void *a2)
{
uword *e1 = a1;
uword *e2 = a2;
return (word) e1[0] - (word) e2[0];
}
static void
send_sw_interface_event (vpe_api_main_t * am,
vpe_client_registration_t * reg,
vl_api_registration_t * vl_reg,
vnet_sw_interface_t * swif)
{
vl_api_sw_interface_event_t *mp;
vnet_main_t *vnm = am->vnet_main;
vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
swif->sw_if_index);
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
mp->sw_if_index = ntohl (swif->sw_if_index);
mp->client_index = reg->client_index;
mp->pid = reg->client_pid;
mp->flags = 0;
mp->flags |= (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
IF_STATUS_API_FLAG_ADMIN_UP : 0;
mp->flags |= (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
IF_STATUS_API_FLAG_LINK_UP : 0;
mp->flags = ntohl (mp->flags);
vl_api_send_msg (vl_reg, (u8 *) mp);
}
static uword
link_state_process (vlib_main_t * vm,
vlib_node_runtime_t * rt, vlib_frame_t * f)
{
vpe_api_main_t *vam = &vpe_api_main;
vnet_main_t *vnm = vam->vnet_main;
vnet_sw_interface_t *swif;
uword *event_data = 0;
vpe_client_registration_t *reg;
int i;
u32 prev_sw_if_index;
vl_api_registration_t *vl_reg;
vam->link_state_process_up = 1;
while (1)
{
vlib_process_wait_for_event (vm);
/* Unified list of changed link or admin state sw_if_indices */
vlib_process_get_events_with_type
(vm, &event_data, API_LINK_STATE_EVENT);
vlib_process_get_events_with_type
(vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
/* Sort, so we can eliminate duplicates */
vec_sort_with_function (event_data, event_data_cmp);
prev_sw_if_index = ~0;
for (i = 0; i < vec_len (event_data); i++)
{
/* Only one message per swif */
if (prev_sw_if_index == event_data[i])
continue;
prev_sw_if_index = event_data[i];
/* *INDENT-OFF* */
pool_foreach(reg, vam->interface_events_registrations,
({
vl_reg = vl_api_client_index_to_registration (reg->client_index);
if (vl_reg)
{
/* sw_interface may be deleted already */
if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
event_data[i]))
{
swif = vnet_get_sw_interface (vnm, event_data[i]);
send_sw_interface_event (vam, reg, vl_reg, swif);
}
}
}));
/* *INDENT-ON* */
}
vec_reset_length (event_data);
}
return 0;
}
static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
u32 flags);
static clib_error_t *admin_up_down_function (vnet_main_t * vm,
u32 hw_if_index, u32 flags);
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (link_state_process_node,static) = {
.function = link_state_process,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "vpe-link-state-process",
};
/* *INDENT-ON* */
VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
static clib_error_t *
link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
{
vpe_api_main_t *vam = &vpe_api_main;
vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
if (vam->link_state_process_up)
vlib_process_signal_event (vam->vlib_main,
link_state_process_node.index,
API_LINK_STATE_EVENT, hi->sw_if_index);
return 0;
}
static clib_error_t *
admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
{
vpe_api_main_t *vam = &vpe_api_main;
/*
* Note: it's perfectly fair to set a subif admin up / admin down.
* Note the subtle distinction between this routine and the previous
* routine.
*/
if (vam->link_state_process_up)
vlib_process_signal_event (vam->vlib_main,
link_state_process_node.index,
API_ADMIN_UP_DOWN_EVENT, sw_if_index);
return 0;
}
static void vl_api_sw_interface_tag_add_del_t_handler
(vl_api_sw_interface_tag_add_del_t * mp)
{
vnet_main_t *vnm = vnet_get_main ();
vl_api_sw_interface_tag_add_del_reply_t *rmp;
int rv = 0;
u8 *tag;
u32 sw_if_index = ntohl (mp->sw_if_index);
VALIDATE_SW_IF_INDEX (mp);
if (mp->is_add)
{
if (vl_api_from_api_string_c (&mp->tag)[0] == 0)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto out;
}
tag = format (0, "%s%c", vl_api_from_api_string_c (&mp->tag), 0);
vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
}
else
vnet_clear_sw_interface_tag (vnm, sw_if_index);
BAD_SW_IF_INDEX_LABEL;
out:
REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
}
static void vl_api_sw_interface_set_mac_address_t_handler
(vl_api_sw_interface_set_mac_address_t * mp)
{
vl_api_sw_interface_set_mac_address_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ntohl (mp->sw_if_index);
vnet_sw_interface_t *si;
clib_error_t *error;
int rv = 0;
mac_address_t mac;
VALIDATE_SW_IF_INDEX (mp);
si = vnet_get_sw_interface (vnm, sw_if_index);
mac_address_decode (mp->mac_address, &mac);
error =
vnet_hw_interface_change_mac_address (vnm, si->hw_if_index, (u8 *) & mac);
if (error)
{
rv = VNET_API_ERROR_UNIMPLEMENTED;
clib_error_report (error);
goto out;
}
BAD_SW_IF_INDEX_LABEL;
out:
REPLY_MACRO (VL_API_SW_INTERFACE_SET_MAC_ADDRESS_REPLY);
}
static void vl_api_sw_interface_get_mac_address_t_handler
(vl_api_sw_interface_get_mac_address_t * mp)
{
vl_api_sw_interface_get_mac_address_reply_t *rmp;
vl_api_registration_t *reg;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ntohl (mp->sw_if_index);
vnet_sw_interface_t *si;
ethernet_interface_t *eth_if = 0;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
si = vnet_get_sup_sw_interface (vnm, sw_if_index);
if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
eth_if = ethernet_get_interface (&ethernet_main, si->hw_if_index);
BAD_SW_IF_INDEX_LABEL;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id = htons (VL_API_SW_INTERFACE_GET_MAC_ADDRESS_REPLY);
rmp->context = mp->context;
rmp->retval = htonl (rv);
if (!rv && eth_if)
mac_address_encode ((mac_address_t *) eth_if->address, rmp->mac_address);
vl_api_send_msg (reg, (u8 *) rmp);
}
static void vl_api_sw_interface_set_rx_mode_t_handler
(vl_api_sw_interface_set_rx_mode_t * mp)
{
vl_api_sw_interface_set_rx_mode_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ntohl (mp->sw_if_index);
vnet_sw_interface_t *si;
clib_error_t *error;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
si = vnet_get_sw_interface (vnm, sw_if_index);
if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto bad_sw_if_index;
}
error = set_hw_interface_change_rx_mode (vnm, si->hw_if_index,
mp->queue_id_valid,
ntohl (mp->queue_id), mp->mode);
if (error)
{
rv = VNET_API_ERROR_UNIMPLEMENTED;
clib_error_report (error);
goto out;
}
BAD_SW_IF_INDEX_LABEL;
out:
REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_MODE_REPLY);
}
static void
send_interface_rx_placement_details (vpe_api_main_t * am,
vl_api_registration_t * rp,
u32 sw_if_index, u32 worker_id,
u32 queue_id, u8 mode, u32 context)
{
vl_api_sw_interface_rx_placement_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_RX_PLACEMENT_DETAILS);
mp->sw_if_index = htonl (sw_if_index);
mp->queue_id = htonl (queue_id);
mp->worker_id = htonl (worker_id);
mp->mode = mode;
mp->context = context;
vl_api_send_msg (rp, (u8 *) mp);
}
static void vl_api_sw_interface_rx_placement_dump_t_handler
(vl_api_sw_interface_rx_placement_dump_t * mp)
{
vnet_main_t *vnm = vnet_get_main ();
vpe_api_main_t *am = &vpe_api_main;
u32 sw_if_index = ntohl (mp->sw_if_index);
vl_api_registration_t *reg;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
if (sw_if_index == ~0)
{
vnet_device_input_runtime_t *rt;
vnet_device_and_queue_t *dq;
vlib_node_t *pn = vlib_get_node_by_name (am->vlib_main,
(u8 *) "device-input");
uword si;
int index = 0;
/* *INDENT-OFF* */
foreach_vlib_main (({
clib_bitmap_foreach (si, pn->sibling_bitmap,
({
rt = vlib_node_get_runtime_data (this_vlib_main, si);
vec_foreach (dq, rt->devices_and_queues)
{
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm,
dq->hw_if_index);
send_interface_rx_placement_details (am, reg, hw->sw_if_index, index,
dq->queue_id, dq->mode, mp->context);
}
}));
index++;
}));
/* *INDENT-ON* */
}
else
{
int i;
vnet_sw_interface_t *si;
if (!vnet_sw_if_index_is_api_valid (sw_if_index))
{
clib_warning ("sw_if_index %u does not exist", sw_if_index);
goto bad_sw_if_index;
}
si = vnet_get_sw_interface (vnm, sw_if_index);
if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
{
clib_warning ("interface type is not HARDWARE! P2P, PIPE and SUB"
" interfaces are not supported");
goto bad_sw_if_index;
}
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, si->hw_if_index);
for (i = 0; i < vec_len (hw->dq_runtime_index_by_queue); i++)
{
send_interface_rx_placement_details (am, reg, hw->sw_if_index,
hw->input_node_thread_index_by_queue
[i], i,
hw->rx_mode_by_queue[i],
mp->context);
}
}
BAD_SW_IF_INDEX_LABEL;
}
static void vl_api_sw_interface_set_rx_placement_t_handler
(vl_api_sw_interface_set_rx_placement_t * mp)
{
vl_api_sw_interface_set_rx_placement_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ntohl (mp->sw_if_index);
vnet_sw_interface_t *si;
clib_error_t *error = 0;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
si = vnet_get_sw_interface (vnm, sw_if_index);
if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto bad_sw_if_index;
}
error = set_hw_interface_rx_placement (si->hw_if_index,
ntohl (mp->queue_id),
ntohl (mp->worker_id), mp->is_main);
if (error)
{
rv = VNET_API_ERROR_UNIMPLEMENTED;
clib_error_report (error);
goto out;
}
BAD_SW_IF_INDEX_LABEL;
out:
REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_PLACEMENT_REPLY);
}
static void
vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp)
{
vl_api_create_vlan_subif_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = (u32) ~ 0;
vnet_hw_interface_t *hi;
int rv = 0;
u32 id;
vnet_sw_interface_t template;
uword *p;
vnet_interface_main_t *im = &vnm->interface_main;
u64 sup_and_sub_key;
vl_api_registration_t *reg;
clib_error_t *error;
VALIDATE_SW_IF_INDEX (mp);
hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
{
rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
goto out;
}
id = ntohl (mp->vlan_id);
if (id == 0 || id > 4095)
{
rv = VNET_API_ERROR_INVALID_VLAN;
goto out;
}
sup_and_sub_key = ((u64) (hi->sw_if_index) << 32) | (u64) id;
p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
if (p)
{
rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS;
goto out;
}
clib_memset (&template, 0, sizeof (template));
template.type = VNET_SW_INTERFACE_TYPE_SUB;
template.flood_class = VNET_FLOOD_CLASS_NORMAL;
template.sup_sw_if_index = hi->sw_if_index;
template.sub.id = id;
template.sub.eth.raw_flags = 0;
template.sub.eth.flags.one_tag = 1;
template.sub.eth.outer_vlan_id = id;
template.sub.eth.flags.exact_match = 1;
error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
if (error)
{
clib_error_report (error);
rv = VNET_API_ERROR_INVALID_REGISTRATION;
goto out;
}
u64 *kp = clib_mem_alloc (sizeof (*kp));
*kp = sup_and_sub_key;
hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index);
hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
BAD_SW_IF_INDEX_LABEL;
out:
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id = htons (VL_API_CREATE_VLAN_SUBIF_REPLY);
rmp->context = mp->context;
rmp->retval = htonl (rv);
rmp->sw_if_index = htonl (sw_if_index);
vl_api_send_msg (reg, (u8 *) rmp);
}
static void
vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
{
vl_api_create_subif_reply_t *rmp;
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ~0;
int rv = 0;
u32 sub_id;
vnet_sw_interface_t *si;
vnet_hw_interface_t *hi;
vnet_sw_interface_t template;
uword *p;
vnet_interface_main_t *im = &vnm->interface_main;
u64 sup_and_sub_key;
clib_error_t *error;
VALIDATE_SW_IF_INDEX (mp);
si = vnet_get_sup_sw_interface (vnm, ntohl (mp->sw_if_index));
hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
{
rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
goto out;
}
sw_if_index = si->sw_if_index;
sub_id = ntohl (mp->sub_id);
sup_and_sub_key = ((u64) (sw_if_index) << 32) | (u64) sub_id;
p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
if (p)
{
if (CLIB_DEBUG > 0)
clib_warning ("sup sw_if_index %d, sub id %d already exists\n",
sw_if_index, sub_id);
rv = VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
goto out;
}
clib_memset (&template, 0, sizeof (template));
template.type = VNET_SW_INTERFACE_TYPE_SUB;
template.flood_class = VNET_FLOOD_CLASS_NORMAL;
template.sup_sw_if_index = sw_if_index;
template.sub.id = sub_id;
template.sub.eth.raw_flags = ntohl (mp->sub_if_flags);
template.sub.eth.outer_vlan_id = ntohs (mp->outer_vlan_id);
template.sub.eth.inner_vlan_id = ntohs (mp->inner_vlan_id);
error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
if (error)
{
clib_error_report (error);
rv = VNET_API_ERROR_SUBIF_CREATE_FAILED;
goto out;
}
u64 *kp = clib_mem_alloc (sizeof (*kp));
*kp = sup_and_sub_key;
hash_set (hi->sub_interface_sw_if_index_by_id, sub_id, sw_if_index);
hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
BAD_SW_IF_INDEX_LABEL;
out:
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY,
({
rmp->sw_if_index = ntohl(sw_if_index);
}));
/* *INDENT-ON* */
}
static void
vl_api_delete_subif_t_handler (vl_api_delete_subif_t * mp)
{
vl_api_delete_subif_reply_t *rmp;
int rv;
rv = vnet_delete_sub_interface (ntohl (mp->sw_if_index));
REPLY_MACRO (VL_API_DELETE_SUBIF_REPLY);
}
static void
vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *
mp)
{
vl_api_interface_name_renumber_reply_t *rmp;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
rv = vnet_interface_name_renumber
(ntohl (mp->sw_if_index), ntohl (mp->new_show_dev_instance));
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_INTERFACE_NAME_RENUMBER_REPLY);
}
static void
vl_api_create_loopback_t_handler (vl_api_create_loopback_t * mp)
{
vl_api_create_loopback_reply_t *rmp;
u32 sw_if_index;
int rv;
mac_address_t mac;
mac_address_decode (mp->mac_address, &mac);
rv = vnet_create_loopback_interface (&sw_if_index, (u8 *) & mac, 0, 0);
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY,
({
rmp->sw_if_index = ntohl (sw_if_index);
}));
/* *INDENT-ON* */
}
static void vl_api_create_loopback_instance_t_handler
(vl_api_create_loopback_instance_t * mp)
{
vl_api_create_loopback_instance_reply_t *rmp;
u32 sw_if_index;
u8 is_specified = mp->is_specified;
u32 user_instance = ntohl (mp->user_instance);
int rv;
mac_address_t mac;
mac_address_decode (mp->mac_address, &mac);
rv = vnet_create_loopback_interface (&sw_if_index, (u8 *) & mac,
is_specified, user_instance);
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_CREATE_LOOPBACK_INSTANCE_REPLY,
({
rmp->sw_if_index = ntohl (sw_if_index);
}));
/* *INDENT-ON* */
}
static void
vl_api_delete_loopback_t_handler (vl_api_delete_loopback_t * mp)
{
vl_api_delete_loopback_reply_t *rmp;
u32 sw_if_index;
int rv;
sw_if_index = ntohl (mp->sw_if_index);
rv = vnet_delete_loopback_interface (sw_if_index);
REPLY_MACRO (VL_API_DELETE_LOOPBACK_REPLY);
}
static void
vl_api_collect_detailed_interface_stats_t_handler
(vl_api_collect_detailed_interface_stats_t * mp)
{
vl_api_collect_detailed_interface_stats_reply_t *rmp;
int rv = 0;
rv =
vnet_sw_interface_stats_collect_enable_disable (ntohl (mp->sw_if_index),
mp->enable_disable);
REPLY_MACRO (VL_API_COLLECT_DETAILED_INTERFACE_STATS_REPLY);
}
/*
* vpe_api_hookup
* Add vpe's API message handlers to the table.
* vlib has already mapped shared memory and
* added the client registration handlers.
* See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
*/
#define vl_msg_name_crc_list
#include <vnet/interface.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_interface;
#undef _
}
pub_sub_handler (interface_events, INTERFACE_EVENTS);
static clib_error_t *
interface_api_hookup (vlib_main_t * vm)
{
api_main_t *am = &api_main;
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_vpe_api_msg;
#undef _
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
return 0;
}
VLIB_API_INIT_FUNCTION (interface_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/