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/*
*------------------------------------------------------------------
* Copyright (c) 2020 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 <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vlib/pci/pci.h>
#include <vnet/ethernet/ethernet.h>
#include <vat/vat.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vppinfra/error.h>
#include <af_xdp/af_xdp.h>
#define __plugin_msg_base af_xdp_test_main.msg_id_base
#include <vlibapi/vat_helper_macros.h>
/* declare message IDs */
#include <af_xdp/af_xdp.api_enum.h>
#include <af_xdp/af_xdp.api_types.h>
typedef struct
{
/* API message ID base */
u16 msg_id_base;
vat_main_t *vat_main;
} af_xdp_test_main_t;
af_xdp_test_main_t af_xdp_test_main;
static vl_api_af_xdp_mode_t
api_af_xdp_mode (af_xdp_mode_t mode)
{
switch (mode)
{
case AF_XDP_MODE_AUTO:
return AF_XDP_API_MODE_AUTO;
case AF_XDP_MODE_COPY:
return AF_XDP_API_MODE_COPY;
case AF_XDP_MODE_ZERO_COPY:
return AF_XDP_API_MODE_ZERO_COPY;
}
return ~0;
}
/* af_xdp create API */
static int
api_af_xdp_create (vat_main_t * vam)
{
vl_api_af_xdp_create_t *mp;
af_xdp_create_if_args_t args;
int ret;
if (!unformat_user (vam->input, unformat_af_xdp_create_if_args, &args))
{
clib_warning ("unknown input `%U'", format_unformat_error, vam->input);
return -99;
}
M (AF_XDP_CREATE, mp);
snprintf ((char *) mp->host_if, sizeof (mp->host_if), "%s",
args.linux_ifname ? : "");
snprintf ((char *) mp->name, sizeof (mp->name), "%s", args.name ? : "");
mp->rxq_num = clib_host_to_net_u16 (args.rxq_num);
mp->rxq_size = clib_host_to_net_u16 (args.rxq_size);
mp->txq_size = clib_host_to_net_u16 (args.txq_size);
mp->mode = api_af_xdp_mode (args.mode);
if (args.flags & AF_XDP_CREATE_FLAGS_NO_SYSCALL_LOCK)
mp->flags |= AF_XDP_API_FLAGS_NO_SYSCALL_LOCK;
snprintf ((char *) mp->prog, sizeof (mp->prog), "%s", args.prog ? : "");
S (mp);
W (ret);
return ret;
}
/* af_xdp create v2 API */
static int
api_af_xdp_create_v2 (vat_main_t *vam)
{
vl_api_af_xdp_create_v2_t *mp;
af_xdp_create_if_args_t args;
int ret;
if (!unformat_user (vam->input, unformat_af_xdp_create_if_args, &args))
{
clib_warning ("unknown input `%U'", format_unformat_error, vam->input);
return -99;
}
M (AF_XDP_CREATE, mp);
snprintf ((char *) mp->host_if, sizeof (mp->host_if), "%s",
args.linux_ifname ?: "");
snprintf ((char *) mp->name, sizeof (mp->name), "%s", args.name ?: "");
snprintf ((char *) mp->namespace, sizeof (mp->namespace), "%s",
args.netns ?: "");
mp->rxq_num = clib_host_to_net_u16 (args.rxq_num);
mp->rxq_size = clib_host_to_net_u16 (args.rxq_size);
mp->txq_size = clib_host_to_net_u16 (args.txq_size);
mp->mode = api_af_xdp_mode (args.mode);
if (args.flags & AF_XDP_CREATE_FLAGS_NO_SYSCALL_LOCK)
mp->flags |= AF_XDP_API_FLAGS_NO_SYSCALL_LOCK;
snprintf ((char *) mp->prog, sizeof (mp->prog), "%s", args.prog ?: "");
S (mp);
W (ret);
return ret;
}
/* af_xdp-create reply handler */
static void
vl_api_af_xdp_create_reply_t_handler (vl_api_af_xdp_create_reply_t * mp)
{
vat_main_t *vam = af_xdp_test_main.vat_main;
i32 retval = ntohl (mp->retval);
if (retval == 0)
{
fformat (vam->ofp, "created af_xdp with sw_if_index %d\n",
ntohl (mp->sw_if_index));
}
vam->retval = retval;
vam->result_ready = 1;
vam->regenerate_interface_table = 1;
}
/* af_xdp-create v2 reply handler */
static void
vl_api_af_xdp_create_v2_reply_t_handler (vl_api_af_xdp_create_v2_reply_t *mp)
{
vat_main_t *vam = af_xdp_test_main.vat_main;
i32 retval = ntohl (mp->retval);
if (retval == 0)
{
fformat (vam->ofp, "created af_xdp with sw_if_index %d\n",
ntohl (mp->sw_if_index));
}
vam->retval = retval;
vam->result_ready = 1;
vam->regenerate_interface_table = 1;
}
/* af_xdp delete API */
static int
api_af_xdp_delete (vat_main_t * vam)
{
unformat_input_t *i = vam->input;
vl_api_af_xdp_delete_t *mp;
u32 sw_if_index = 0;
u8 index_defined = 0;
int ret;
while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
{
if (unformat (i, "sw_if_index %u", &sw_if_index))
index_defined = 1;
else
{
clib_warning ("unknown input '%U'", format_unformat_error, i);
return -99;
}
}
if (!index_defined)
{
errmsg ("missing sw_if_index\n");
return -99;
}
M (AF_XDP_DELETE, mp);
mp->sw_if_index = clib_host_to_net_u32 (sw_if_index);
S (mp);
W (ret);
return ret;
}
#include <af_xdp/af_xdp.api_test.c>
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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