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/*
*------------------------------------------------------------------
* pg_api.c - vnet pg 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/pg/pg.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_pg_api_msg \
_(PG_CREATE_INTERFACE, pg_create_interface) \
_(PG_CAPTURE, pg_capture) \
_(PG_ENABLE_DISABLE, pg_enable_disable) \
_(PG_INTERFACE_ENABLE_DISABLE_COALESCE, pg_interface_enable_disable_coalesce)
static void
vl_api_pg_create_interface_t_handler (vl_api_pg_create_interface_t * mp)
{
vl_api_pg_create_interface_reply_t *rmp;
int rv = 0;
pg_main_t *pg = &pg_main;
u32 pg_if_id = pg_interface_add_or_get (pg, ntohl (mp->interface_id),
mp->gso_enabled,
ntohl (mp->gso_size), 0);
pg_interface_t *pi = pool_elt_at_index (pg->interfaces, pg_if_id);
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_PG_CREATE_INTERFACE_REPLY,
({
rmp->sw_if_index = ntohl(pi->sw_if_index);
}));
/* *INDENT-ON* */
}
static void
vl_api_pg_interface_enable_disable_coalesce_t_handler
(vl_api_pg_interface_enable_disable_coalesce_t * mp)
{
vl_api_pg_interface_enable_disable_coalesce_reply_t *rmp;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
u32 sw_if_index = ntohl (mp->sw_if_index);
pg_main_t *pg = &pg_main;
vnet_main_t *vnm = vnet_get_main ();
vnet_hw_interface_t *hw =
vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
if (hw)
{
pg_interface_t *pi =
pool_elt_at_index (pg->interfaces, hw->dev_instance);
if (pi->gso_enabled)
pg_interface_enable_disable_coalesce (pi, mp->coalesce_enabled,
hw->tx_node_index);
else
rv = VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE;
}
else
{
rv = VNET_API_ERROR_NO_MATCHING_INTERFACE;
}
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_PG_INTERFACE_ENABLE_DISABLE_COALESCE_REPLY);
}
static void
vl_api_pg_capture_t_handler (vl_api_pg_capture_t * mp)
{
vl_api_pg_capture_reply_t *rmp;
int rv = 0;
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
vnet_hw_interface_t *hi = 0;
u8 *intf_name = format (0, "pg%d", ntohl (mp->interface_id), 0);
vec_terminate_c_string (intf_name);
u32 hw_if_index = ~0;
uword *p = hash_get_mem (im->hw_interface_by_name, intf_name);
if (p)
hw_if_index = *p;
vec_free (intf_name);
if (hw_if_index != ~0)
{
pg_capture_args_t _a, *a = &_a;
char *pcap_file_name =
vl_api_from_api_to_new_c_string (&mp->pcap_file_name);
hi = vnet_get_sup_hw_interface (vnm, hw_if_index);
a->hw_if_index = hw_if_index;
a->dev_instance = hi->dev_instance;
a->is_enabled = mp->is_enabled;
a->pcap_file_name = pcap_file_name;
a->count = ntohl (mp->count);
clib_error_t *e = pg_capture (a);
if (e)
{
clib_error_report (e);
rv = VNET_API_ERROR_CANNOT_CREATE_PCAP_FILE;
}
vec_free (pcap_file_name);
}
REPLY_MACRO (VL_API_PG_CAPTURE_REPLY);
}
static void
vl_api_pg_enable_disable_t_handler (vl_api_pg_enable_disable_t * mp)
{
vl_api_pg_enable_disable_reply_t *rmp;
int rv = 0;
pg_main_t *pg = &pg_main;
u32 stream_index = ~0;
int is_enable = mp->is_enabled != 0;
if (vl_api_string_len (&mp->stream_name) > 0)
{
u8 *stream_name = vl_api_from_api_to_new_vec (mp, &mp->stream_name);
uword *p = hash_get_mem (pg->stream_index_by_name, stream_name);
if (p)
stream_index = *p;
vec_free (stream_name);
}
pg_enable_disable (stream_index, is_enable);
REPLY_MACRO (VL_API_PG_ENABLE_DISABLE_REPLY);
}
#define vl_msg_name_crc_list
#include <vnet/pg/pg.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_pg;
#undef _
}
static clib_error_t *
pg_api_hookup (vlib_main_t * vm)
{
api_main_t *am = vlibapi_get_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_pg_api_msg;
#undef _
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
return 0;
}
VLIB_API_INIT_FUNCTION (pg_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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