/*
* Copyright (c) 2017-2019 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.
*/
#ifndef __vcl_test_h__
#define __vcl_test_h__
#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <vcl/vppcom.h>
#define vtfail(_fn, _rv) \
{ \
errno = -_rv; \
perror ("ERROR when calling " _fn); \
fprintf (stderr, "\nERROR: " _fn " failed (errno = %d)!\n", -_rv); \
exit (1); \
}
#define vterr(_fn, _rv) \
{ \
errno = -_rv; \
fprintf (stderr, "\nERROR: " _fn " failed (errno = %d)!\n", -_rv); \
}
#define vtwrn(_fmt, _args...) \
fprintf (stderr, "\nERROR: " _fmt "\n", ##_args) \
#define vtinf(_fmt, _args...) \
fprintf (stdout, "vt<w%u>: " _fmt "\n", __wrk_index, ##_args)
#define vt_atomic_add(_ptr, _val) \
__atomic_fetch_add (_ptr, _val, __ATOMIC_RELEASE)
#define VCL_TEST_TOKEN_HELP "#H"
#define VCL_TEST_TOKEN_EXIT "#X"
#define VCL_TEST_TOKEN_VERBOSE "#V"
#define VCL_TEST_TOKEN_TXBUF_SIZE "#T:"
#define VCL_TEST_TOKEN_NUM_TEST_SESS "#I:"
#define VCL_TEST_TOKEN_NUM_WRITES "#N:"
#define VCL_TEST_TOKEN_RXBUF_SIZE "#R:"
#define VCL_TEST_TOKEN_SHOW_CFG "#C"
#define VCL_TEST_TOKEN_RUN_UNI "#U"
#define VCL_TEST_TOKEN_RUN_BI "#B"
#define VCL_TEST_SERVER_PORT 22000
#define VCL_TEST_LOCALHOST_IPADDR "127.0.0.1"
#define VCL_TEST_CFG_CTRL_MAGIC 0xfeedface
#define VCL_TEST_CFG_NUM_WRITES_DEF 1000000
#define VCL_TEST_CFG_TXBUF_SIZE_DEF 8192
#define VCL_TEST_CFG_RXBUF_SIZE_DEF (64*VCL_TEST_CFG_TXBUF_SIZE_DEF)
#define VCL_TEST_CFG_BUF_SIZE_MIN 128
#define VCL_TEST_CFG_MAX_TEST_SESS 32
#define VCL_TEST_CFG_MAX_EPOLL_EVENTS 16
#define VCL_TEST_DELAY_DISCONNECT 1
#define VCL_TEST_SEPARATOR_STRING \
" -----------------------------\n"
typedef enum
{
VCL_TEST_TYPE_NONE,
VCL_TEST_TYPE_ECHO,
VCL_TEST_TYPE_UNI,
VCL_TEST_TYPE_BI,
VCL_TEST_TYPE_EXIT,
} vcl_test_t;
typedef struct __attribute__ ((packed))
{
uint32_t magic;
uint32_t seq_num;
uint32_t test;
uint32_t ctrl_handle;
uint32_t num_test_sessions;
uint32_t verbose;
uint32_t address_ip6;
uint32_t transport_udp;
uint32_t transport_tls;
uint64_t rxbuf_size;
uint64_t txbuf_size;
uint64_t num_writes;
uint64_t total_bytes;
} vcl_test_cfg_t;
typedef struct
{
uint64_t rx_xacts;
uint64_t rx_bytes;
uint32_t rx_eagain;
uint32_t rx_incomp;
uint64_t tx_xacts;
uint64_t tx_bytes;
uint32_t tx_eagain;
uint32_t tx_incomp;
struct timespec start;
struct timespec stop;
} vcl_test_stats_t;
typedef struct
{
int fd;
uint32_t txbuf_size;
char *txbuf;
uint32_t rxbuf_size;
char *rxbuf;
vcl_test_cfg_t cfg;
vcl_test_stats_t stats;
} vcl_test_session_t;
/*
* TLS server cert and keys to be used for testing only
*/
char vcl_test_crt_rsa[] =
"-----BEGIN CERTIFICATE-----\r\n"
"MIID5zCCAs+gAwIBAgIJALeMYCEHrTtJMA0GCSqGSIb3DQEBCwUAMIGJMQswCQYD\r\n"
"VQQGEwJVUzELMAkGA1UECAwCQ0ExETAPBgNVBAcMCFNhbiBKb3NlMQ4wDAYDVQQK\r\n"
"DAVDaXNjbzEOMAwGA1UECwwFZmQuaW8xFjAUBgNVBAMMDXRlc3R0bHMuZmQuaW8x\r\n"
"IjAgBgkqhkiG9w0BCQEWE3ZwcC1kZXZAbGlzdHMuZmQuaW8wHhcNMTgwMzA1MjEx\r\n"
"NTEyWhcNMjgwMzAyMjExNTEyWjCBiTELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAkNB\r\n"
"MREwDwYDVQQHDAhTYW4gSm9zZTEOMAwGA1UECgwFQ2lzY28xDjAMBgNVBAsMBWZk\r\n"
"LmlvMRYwFAYDVQQDDA10ZXN0dGxzLmZkLmlvMSIwIAYJKoZIhvcNAQkBFhN2cHAt\r\n"
"ZGV2QGxpc3RzLmZkLmlvMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA\r\n"
"4C1k8a1DuStgggqT4o09fP9sJ2dC54bxhS/Xk2VEfaIZ222WSo4X/syRVfVy9Yah\r\n"
"cpI1zJ/RDxaZSFhgA+nPZBrFMsrULkrdAOpOVj8eDEp9JuWdO2ODSoFnCvLxcYWB\r\n"
"Yc5kHryJpEaGJl1sFQSesnzMFty/59ta0stk0Fp8r5NhIjWvSovGzPo6Bhz+VS2c\r\n"
"ebIZh4x1t2hHaFcgm0qJoJ6DceReWCW8w+yOVovTolGGq+bpb2Hn7MnRSZ2K2NdL\r\n"
"+aLXpkZbS/AODP1FF2vTO1mYL290LO7/51vJmPXNKSDYMy5EvILr5/VqtjsFCwRL\r\n"
"Q4jcM/+GeHSAFWx4qIv0BwIDAQABo1AwTjAdBgNVHQ4EFgQUWa1SOB37xmT53tZQ\r\n"
"aXuLLhRI7U8wHwYDVR0jBBgwFoAUWa1SOB37xmT53tZQaXuLLhRI7U8wDAYDVR0T\r\n"
"BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAoUht13W4ya27NVzQuCMvqPWL3VM4\r\n"
"3xbPFk02FaGz/WupPu276zGlzJAZrbuDcQowwwU1Ni1Yygxl96s1c2M5rHDTrOKG\r\n"
"rK0hbkSFBo+i6I8u4HiiQ4rYmG0Hv6+sXn3of0HsbtDPGgWZoipPWDljPYEURu3e\r\n"
"3HRe/Dtsj9CakBoSDzs8ndWaBR+f4sM9Tk1cjD46Gq2T/qpSPXqKxEUXlzhdCAn4\r\n"
"twub17Bq2kykHpppCwPg5M+v30tHG/R2Go15MeFWbEJthFk3TZMjKL7UFs7fH+x2\r\n"
"wSonXb++jY+KmCb93C+soABBizE57g/KmiR2IxQ/LMjDik01RSUIaM0lLA==\r\n"
"-----END CERTIFICATE-----\r\n";
uint32_t vcl_test_crt_rsa_len = sizeof (vcl_test_crt_rsa);
char vcl_test_key_rsa[] =
"-----BEGIN PRIVATE KEY-----\r\n"
"MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDgLWTxrUO5K2CC\r\n"
"CpPijT18/2wnZ0LnhvGFL9eTZUR9ohnbbZZKjhf+zJFV9XL1hqFykjXMn9EPFplI\r\n"
"WGAD6c9kGsUyytQuSt0A6k5WPx4MSn0m5Z07Y4NKgWcK8vFxhYFhzmQevImkRoYm\r\n"
"XWwVBJ6yfMwW3L/n21rSy2TQWnyvk2EiNa9Ki8bM+joGHP5VLZx5shmHjHW3aEdo\r\n"
"VyCbSomgnoNx5F5YJbzD7I5Wi9OiUYar5ulvYefsydFJnYrY10v5otemRltL8A4M\r\n"
"/UUXa9M7WZgvb3Qs7v/nW8mY9c0pINgzLkS8guvn9Wq2OwULBEtDiNwz/4Z4dIAV\r\n"
"bHioi/QHAgMBAAECggEBAMzGipP8+oT166U+NlJXRFifFVN1DvdhG9PWnOxGL+c3\r\n"
"ILmBBC08WQzmHshPemBvR6DZkA1H23cV5JTiLWrFtC00CvhXsLRMrE5+uWotI6yE\r\n"
"iofybMroHvD6/X5R510UX9hQ6MHu5ShLR5VZ9zXHz5MpTmB/60jG5dLx+jgcwBK8\r\n"
"LuGv2YB/WCUwT9QJ3YU2eaingnXtz/MrFbkbltrqlnBdlD+kTtw6Yac9y1XuuQXc\r\n"
"BPeulLNDuPolJVWbUvDBZrpt2dXTgz8ws1sv+wCNE0xwQJsqW4Nx3QkpibUL9RUr\r\n"
"CVbKlNfa9lopT6nGKlgX69R/uH35yh9AOsfasro6w0ECgYEA82UJ8u/+ORah+0sF\r\n"
"Q0FfW5MTdi7OAUHOz16pUsGlaEv0ERrjZxmAkHA/VRwpvDBpx4alCv0Hc39PFLIk\r\n"
"nhSsM2BEuBkTAs6/GaoNAiBtQVE/hN7awNRWVmlieS0go3Y3dzaE9IUMyj8sPOFT\r\n"
"5JdJ6BM69PHKCkY3dKdnnfpFEuECgYEA68mRpteunF1mdZgXs+WrN+uLlRrQR20F\r\n"
"ZyMYiUCH2Dtn26EzA2moy7FipIIrQcX/j+KhYNGM3e7MU4LymIO29E18mn8JODnH\r\n"
"sQOXzBTsf8A4yIVMkcuQD3bfb0JiUGYUPOidTp2N7IJA7+6Yc3vQOyb74lnKnJoO\r\n"
"gougPT2wS+cCgYAn7muzb6xFsXDhyW0Tm6YJYBfRS9yAWEuVufINobeBZPSl2cN1\r\n"
"Jrnw+HlrfTNbrJWuJmjtZJXUXQ6cVp2rUbjutNyRV4vG6iRwEXYQ40EJdkr1gZpi\r\n"
"CHQhuShuuPih2MNAy7EEbM+sXrDjTBR3bFqzuHPzu7dp+BshCFX3lRfAAQKBgGQt\r\n"
"K5i7IhCFDjb/+3IPLgOAK7mZvsvZ4eXD33TQ2eZgtut1PXtBtNl17/b85uv293Fm\r\n"
"VDISVcsk3eLNS8zIiT6afUoWlxAwXEs0v5WRfjl4radkGvgGiJpJYvyeM67877RB\r\n"
"EDSKc/X8ESLfOB44iGvZUEMG6zJFscx9DgN25iQZAoGAbyd+JEWwdVH9/K3IH1t2\r\n"
"PBkZX17kNWv+iVM1WyFjbe++vfKZCrOJiyiqhDeEqgrP3AuNMlaaduC3VRC3G5oV\r\n"
"Mj1tlhDWQ/qhvKdCKNdIVQYDE75nw+FRWV8yYkHAnXYW3tNoweDIwixE0hkPR1bc\r\n"
"oEjPLVNtx8SOj/M4rhaPT3I=\r\n" "-----END PRIVATE KEY-----\r\n";
uint32_t vcl_test_key_rsa_len = sizeof (vcl_test_key_rsa);
static inline void
vcl_test_stats_accumulate (vcl_test_stats_t * accum, vcl_test_stats_t * incr)
{
accum->rx_xacts += incr->rx_xacts;
accum->rx_bytes += incr->rx_bytes;
accum->rx_eagain += incr->rx_eagain;
accum->rx_incomp += incr->rx_incomp;
accum->tx_xacts += incr->tx_xacts;
accum->tx_bytes += incr->tx_bytes;
accum->tx_eagain += incr->tx_eagain;
accum->tx_incomp += incr->tx_incomp;
}
static inline void
vcl_test_cfg_init (vcl_test_cfg_t * cfg)
{
cfg->magic = VCL_TEST_CFG_CTRL_MAGIC;
cfg->test = VCL_TEST_TYPE_NONE;
cfg->ctrl_handle = ~0;
cfg->num_test_sessions = 1;
cfg->verbose = 0;
cfg->rxbuf_size = VCL_TEST_CFG_RXBUF_SIZE_DEF;
cfg->num_writes = VCL_TEST_CFG_NUM_WRITES_DEF;
cfg->txbuf_size = VCL_TEST_CFG_TXBUF_SIZE_DEF;
cfg->total_bytes = cfg->num_writes * cfg->txbuf_size;
}
static inline int
vcl_test_cfg_verify (vcl_test_cfg_t * cfg, vcl_test_cfg_t * valid_cfg)
{
/* Note: txbuf & rxbuf on server are the same buffer,
* so txbuf_size is not included in this check.
*/
return ((cfg->magic == valid_cfg->magic)
&& (cfg->test == valid_cfg->test)
&& (cfg->verbose == valid_cfg->verbose)
&& (cfg->rxbuf_size == valid_cfg->rxbuf_size)
&& (cfg->num_writes == valid_cfg->num_writes)
&& (cfg->total_bytes == valid_cfg->total_bytes));
}
static inline void
vcl_test_buf_alloc (vcl_test_cfg_t * cfg, uint8_t is_rxbuf, uint8_t ** buf,
uint32_t * bufsize)
{
uint32_t alloc_size = is_rxbuf ? cfg->rxbuf_size : cfg->txbuf_size;
uint8_t *lb = realloc (*buf, (size_t) alloc_size);
if (lb)
{
if (is_rxbuf)
cfg->rxbuf_size = *bufsize = alloc_size;
else
cfg->txbuf_size = *bufsize = alloc_size;
*buf = lb;
}
else
{
vtwrn ("realloc failed. using buffer size %d instead of %u",
*bufsize, alloc_size);
}
}
static inline void
vcl_test_session_buf_alloc (vcl_test_session_t * socket)
{
socket->rxbuf_size = socket->cfg.rxbuf_size;
socket->txbuf_size = socket->cfg.txbuf_size;
vcl_test_buf_alloc (&socket->cfg, 0 /* is_rxbuf */ ,
(uint8_t **) & socket->txbuf, &socket->txbuf_size);
vcl_test_buf_alloc (&socket->cfg, 1 /* is_rxbuf */ ,
(uint8_t **) & socket->rxbuf, &socket->rxbuf_size);
}
static inline char *
vcl_test_type_str (vcl_test_t t)
{
switch (t)
{
case VCL_TEST_TYPE_NONE:
return "NONE";
case VCL_TEST_TYPE_ECHO:
return "ECHO";
case VCL_TEST_TYPE_UNI:
return "UNI";
case VCL_TEST_TYPE_BI:
return "BI";
case VCL_TEST_TYPE_EXIT:
return "EXIT";
default:
return "Unknown";
}
}
static inline void
vcl_test_cfg_dump (vcl_test_cfg_t * cfg, uint8_t is_client)
{
char *spc = " ";
printf (" test config (%p):\n"
VCL_TEST_SEPARATOR_STRING
" magic: 0x%08x\n"
" seq_num: 0x%08x\n"
"%-5s test: %s (%d)\n"
" ctrl handle: %d (0x%x)\n"
"%-5s num test sockets: %u (0x%08x)\n"
"%-5s verbose: %s (%d)\n"
"%-5s rxbuf size: %lu (0x%08lx)\n"
"%-5s txbuf size: %lu (0x%08lx)\n"
"%-5s num writes: %lu (0x%08lx)\n"
" client tx bytes: %lu (0x%08lx)\n"
VCL_TEST_SEPARATOR_STRING,
(void *) cfg, cfg->magic, cfg
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.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
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}
/*
* Copyright (c) 2015 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.
*/
/*
* interface.c: VNET interfaces/sub-interfaces
*
* Copyright (c) 2008 Eliot Dresselhaus
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <vnet/vnet.h>
#include <vnet/plugin/plugin.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/adj/adj.h>
#include <vnet/adj/adj_mcast.h>
#include <vnet/l2/l2_input.h>
typedef enum vnet_interface_helper_flags_t_
{
VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE = (1 << 0),
VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE = (1 << 1),
} vnet_interface_helper_flags_t;
static clib_error_t *vnet_hw_interface_set_flags_helper (vnet_main_t * vnm,
u32 hw_if_index,
vnet_hw_interface_flags_t
flags,
vnet_interface_helper_flags_t
helper_flags);
static clib_error_t *vnet_sw_interface_set_flags_helper (vnet_main_t * vnm,
u32 sw_if_index,
vnet_sw_interface_flags_t
flags,
vnet_interface_helper_flags_t
helper_flags);
static clib_error_t *vnet_hw_interface_set_class_helper (vnet_main_t * vnm,
u32 hw_if_index,
u32 hw_class_index,
u32 redistribute);
typedef struct
{
/* Either sw or hw interface index. */
u32 sw_hw_if_index;
/* Flags. */
u32 flags;
} vnet_sw_hw_interface_state_t;
static void
serialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m, va_list * va)
{
vnet_sw_hw_interface_state_t *s =
va_arg (*va, vnet_sw_hw_interface_state_t *);
u32 n = va_arg (*va, u32);
u32 i;
for (i = 0; i < n; i++)
{
serialize_integer (m, s[i].sw_hw_if_index,
sizeof (s[i].sw_hw_if_index));
serialize_integer (m, s[i].flags, sizeof (s[i].flags));
}
}
static void
unserialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m,
va_list * va)
{
vnet_sw_hw_interface_state_t *s =
va_arg (*va, vnet_sw_hw_interface_state_t *);
u32 n = va_arg (*va, u32);
u32 i;
for (i = 0; i < n; i++)
{
unserialize_integer (m, &s[i].sw_hw_if_index,
sizeof (s[i].sw_hw_if_index));
unserialize_integer (m, &s[i].flags, sizeof (s[i].flags));
}
}
static vnet_sw_interface_flags_t
vnet_hw_interface_flags_to_sw (vnet_hw_interface_flags_t hwf)
{
vnet_sw_interface_flags_t swf = VNET_SW_INTERFACE_FLAG_NONE;
if (hwf & VNET_HW_INTERFACE_FLAG_LINK_UP)
swf |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
return (swf);
}
void
serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
{
vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
vnet_sw_hw_interface_state_t *sts = 0, *st;
vnet_sw_interface_t *sif;
vnet_hw_interface_t *hif;
vnet_interface_main_t *im = &vnm->interface_main;
/* Serialize hardware interface classes since they may have changed.
Must do this before sending up/down flags. */
/* *INDENT-OFF* */
pool_foreach (hif, im->hw_interfaces, ({
vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
serialize_cstring (m, hw_class->name);
}));
/* *INDENT-ON* */
/* Send sw/hw interface state when non-zero. */
/* *INDENT-OFF* */
pool_foreach (sif, im->sw_interfaces, ({
if (sif->flags != 0)
{
vec_add2 (sts, st, 1);
st->sw_hw_if_index = sif->sw_if_index;
st->flags = sif->flags;
}
}));
/* *INDENT-ON* */
vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
if (sts)
_vec_len (sts) = 0;
/* *INDENT-OFF* */
pool_foreach (hif, im->hw_interfaces, ({
if (hif->flags != 0)
{
vec_add2 (sts, st, 1);
st->sw_hw_if_index = hif->hw_if_index;
st->flags = vnet_hw_interface_flags_to_sw(hif->flags);
}
}));
/* *INDENT-ON* */
vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
vec_free (sts);
}
static vnet_hw_interface_flags_t
vnet_sw_interface_flags_to_hw (vnet_sw_interface_flags_t swf)
{
vnet_hw_interface_flags_t hwf = VNET_HW_INTERFACE_FLAG_NONE;
if (swf & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
hwf |= VNET_HW_INTERFACE_FLAG_LINK_UP;
return (hwf);
}
void
unserialize_vnet_interface_state (serialize_main_t * m, va_list * va)
{
vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
vnet_sw_hw_interface_state_t *sts = 0, *st;
/* First set interface hardware class. */
{
vnet_interface_main_t *im = &vnm->interface_main;
vnet_hw_interface_t *hif;
char *class_name;
uword *p;
clib_error_t *error;
/* *INDENT-OFF* */
pool_foreach (hif, im->hw_interfaces, ({
unserialize_cstring (m, &class_name);
p = hash_get_mem (im->hw_interface_class_by_name, class_name);
ASSERT (p != 0);
error = vnet_hw_interface_set_class_helper (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
if (error)
clib_error_report (error);
vec_free (class_name);
}));
/* *INDENT-ON* */
}
vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
vec_foreach (st, sts)
vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
/* no distribute */ 0);
vec_free (sts);
vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
vec_foreach (st, sts)
{
vnet_hw_interface_set_flags_helper
(vnm, st->sw_hw_if_index, vnet_sw_interface_flags_to_hw (st->flags),
/* no distribute */ 0);
}
vec_free (sts);
}
static clib_error_t *
call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
u32 flags,
_vnet_interface_function_list_elt_t **
elts)
{
_vnet_interface_function_list_elt_t *elt;
vnet_interface_function_priority_t prio;
clib_error_t *error = 0;
for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
{
elt = elts[prio];
while (elt)
{
error = elt->fp (vnm, if_index, flags);
if (error)
return error;
elt = elt->next_interface_function;
}
}
return error;
}
static clib_error_t *
call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
u32 is_create)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
vnet_hw_interface_class_t *hw_class =
vnet_get_hw_interface_class (vnm, hi->hw_class_index);
vnet_device_class_t *dev_class =
vnet_get_device_class (vnm, hi->dev_class_index);
clib_error_t *error = 0;
if (hw_class->interface_add_del_function
&& (error =
hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
return error;
if (dev_class->interface_add_del_function
&& (error =
dev_class->interface_add_del_function (vnm, hw_if_index,
is_create)))
return error;
error = call_elf_section_interface_callbacks
(vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
return error;
}
static clib_error_t *
call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
u32 is_create)
{
return call_elf_section_interface_callbacks
(vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
}
static clib_error_t *
vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
vnet_hw_interface_flags_t flags,
vnet_interface_helper_flags_t
helper_flags)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
vnet_hw_interface_class_t *hw_class =
vnet_get_hw_interface_class (vnm, hi->hw_class_index);
u32 mask;
clib_error_t *error = 0;
u32 is_create =
(helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
mask =
(VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK);
flags &= mask;
/* Call hardware interface add/del callbacks. */
if (is_create)
call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
/* Already in the desired state? */
if (!is_create && (hi->flags & mask) == flags)
goto done;
if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
(flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
{
/* Do hardware class (e.g. ethernet). */
if (hw_class->link_up_down_function
&& (error = hw_class->link_up_down_function (vnm, hw_if_index,
flags)))
goto done;
error = call_elf_section_interface_callbacks
(vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
if (error)
goto done;
}
hi->flags &= ~mask;
hi->flags |= flags;
done:
return error;
}
static clib_error_t *
vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
vnet_sw_interface_flags_t flags,
vnet_interface_helper_flags_t
helper_flags)
{
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
u32 mask;
clib_error_t *error = 0;
u32 is_create =
(helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
u32 old_flags;
mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
flags &= mask;
if (is_create)
{
error =
call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
if (error)
goto done;
if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
{
/* Notify everyone when the interface is created as admin up */
error = call_elf_section_interface_callbacks (vnm, sw_if_index,
flags,
vnm->
sw_interface_admin_up_down_functions);
if (error)
goto done;
}
}
else
{
vnet_sw_interface_t *si_sup = si;
/* Check that super interface is in correct state. */
if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
{
si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
/* Check to see if we're bringing down the soft interface and if it's parent is up */
if ((flags != (si_sup->flags & mask)) &&
(!((flags == 0)
&& ((si_sup->flags & mask) ==
VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
{
error = clib_error_return (0, "super-interface %U must be %U",
format_vnet_sw_interface_name, vnm,
si_sup,
format_vnet_sw_interface_flags,
flags);
goto done;
}
}
/* Do not change state for slave link of bonded interfaces */
if (si->flags & VNET_SW_INTERFACE_FLAG_BOND_SLAVE)
{
error = clib_error_return
(0, "not allowed as %U belong to a BondEthernet interface",
format_vnet_sw_interface_name, vnm, si);
goto done;
}
/* Already in the desired state? */
if ((si->flags & mask) == flags)
goto done;
/* Sub-interfaces of hardware interfaces that do no redistribute,
do not redistribute themselves. */
if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
{
vnet_hw_interface_t *hi =
vnet_get_hw_interface (vnm, si_sup->hw_if_index);
vnet_device_class_t *dev_class =
vnet_get_device_class (vnm, hi->dev_class_index);
if (!dev_class->redistribute)
helper_flags &=
~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
}
/* set the flags now before invoking the registered clients
* so that the state they query is consistent with the state here notified */
old_flags = si->flags;
si->flags &= ~mask;
si->flags |= flags;
if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
error = call_elf_section_interface_callbacks
(vnm, sw_if_index, flags,
vnm->sw_interface_admin_up_down_functions);
if (error)
{
/* restore flags on error */
si->flags = old_flags;
goto done;
}
if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
{
vnet_hw_interface_t *hi =
vnet_get_hw_interface (vnm, si->hw_if_index);
vnet_hw_interface_class_t *hw_class =
vnet_get_hw_interface_class (vnm, hi->hw_class_index);
vnet_device_class_t *dev_class =
vnet_get_device_class (vnm, hi->dev_class_index);
if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
(si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
{
error = clib_error_return (0, "Interface in the error state");
goto done;
}
/* save the si admin up flag */
old_flags = si->flags;
/* update si admin up flag in advance if we are going admin down */
if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
if (dev_class->admin_up_down_function
&& (error = dev_class->admin_up_down_function (vnm,
si->hw_if_index,
flags)))
{
/* restore si admin up flag to it's original state on errors */
si->flags = old_flags;
goto done;
}
if (hw_class->admin_up_down_function
&& (error = hw_class->admin_up_down_function (vnm,
si->hw_if_index,
flags)))
{
/* restore si admin up flag to it's original state on errors */
si->flags = old_flags;
goto done;
}
/* Admin down implies link down. */
if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
&& (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
hi->flags &
~VNET_HW_INTERFACE_FLAG_LINK_UP,
helper_flags);
}
}
si->flags &= ~mask;
si->flags |= flags;
done:
return error;
}
clib_error_t *
vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
vnet_hw_interface_flags_t flags)
{
return vnet_hw_interface_set_flags_helper
(vnm, hw_if_index, flags,
VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
}
clib_error_t *
vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
vnet_sw_interface_flags_t flags)
{
return vnet_sw_interface_set_flags_helper
(vnm, sw_if_index, flags,
VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
}
void
vnet_sw_interface_admin_up (vnet_main_t * vnm, u32 sw_if_index)
{
u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
{
flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
}
}
void
vnet_sw_interface_admin_down (vnet_main_t * vnm, u32 sw_if_index)
{
u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
{
flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
}
}
static u32
vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
vnet_sw_interface_t * template)
{
vnet_interface_main_t *im = &vnm->interface_main;
vnet_sw_interface_t *sw;
u32 sw_if_index;
pool_get (im->sw_interfaces, sw);
sw_if_index = sw - im->sw_interfaces;
sw[0] = template[0];
sw->flags = 0;
sw->sw_if_index = sw_if_index;
if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
sw->sup_sw_if_index = sw->sw_if_index;
/* Allocate counters for this interface. */
{
u32 i;
vnet_interface_counter_lock (im);
for (i = 0; i < vec_len (im->sw_if_counters); i++)
{
vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
}
for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
{
vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
sw_if_index);
vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
sw_if_index);
}
vnet_interface_counter_unlock (im);
}
return sw_if_index;
}
clib_error_t *
vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
u32 * sw_if_index)
{
clib_error_t *error;
vnet_hw_interface_t *hi;
vnet_device_class_t *dev_class;
hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
dev_class->subif_add_del_function)
{
error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
(struct vnet_sw_interface_t
*) template, 1);
if (error)
return error;
}
*sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
error = vnet_sw_interface_set_flags_helper
(vnm, *sw_if_index, template->flags,
VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
if (error)
{
/* undo the work done by vnet_create_sw_interface_no_callbacks() */
vnet_interface_main_t *im = &vnm->interface_main;
vnet_sw_interface_t *sw =
pool_elt_at_index (im->sw_interfaces, *sw_if_index);
pool_put (im->sw_interfaces, sw);
}
return error;
}
void
vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
{
vnet_interface_main_t *im = &vnm->interface_main;
vnet_sw_interface_t *sw =
pool_elt_at_index (im->sw_interfaces, sw_if_index);
/* Check if the interface has config and is removed from L2 BD or XConnect */
vlib_main_t *vm = vlib_get_main ();
l2_input_config_t *config;
if (sw_if_index < vec_len (l2input_main.configs))
{
config = vec_elt_at_index (l2input_main.configs, sw_if_index);
if (config->xconnect)
set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0,
L2_BD_PORT_TYPE_NORMAL, 0, 0);
if (config->xconnect || config->bridge)
set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0,
L2_BD_PORT_TYPE_NORMAL, 0, 0);
}
vnet_clear_sw_interface_tag (vnm, sw_if_index);
/* Bring down interface in case it is up. */
if (sw->flags != 0)
vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
pool_put (im->sw_interfaces, sw);
}
static clib_error_t *
call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
{
return call_elf_section_interface_callbacks
(vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
}
void
vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
{
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
if (si->mtu[VNET_MTU_L3] != mtu)
{
si->mtu[VNET_MTU_L3] = mtu;
call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
}
}
void
vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
u32 mtu[])
{
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
bool changed = false;
int i;
for (i = 0; i < VNET_N_MTU; i++)
{
if (si->mtu[i] != mtu[i])
{
si->mtu[i] = mtu[i];
changed = true;
}
}
/* Notify interested parties */
if (changed)
call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
}
void
vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
u32 sw_if_index, u8 enable)
{
vnet_sw_interface_t *si;
si = vnet_get_sw_interface (vnm, sw_if_index);
if (enable)
si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
else
si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
ip4_directed_broadcast (sw_if_index, enable);
}
/*
* Reflect a change in hardware MTU on protocol MTUs
*/
static walk_rc_t
sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
{
u32 *link_mtu = ctx;
vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
return WALK_CONTINUE;
}
void
vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
if (hi->max_packet_bytes != mtu)
{
hi->max_packet_bytes = mtu;
ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
&mtu);
}
}
static void
setup_tx_node (vlib_main_t * vm,
u32 node_index, vnet_device_class_t * dev_class)
{
vlib_node_t *n = vlib_get_node (vm, node_index);
n->function = dev_class->tx_function;
n->format_trace = dev_class->format_tx_trace;
vlib_register_errors (vm, node_index,
dev_class->tx_function_n_errors,
dev_class->tx_function_error_strings);
}
static void
setup_output_node (vlib_main_t * vm,
u32 node_index, vnet_hw_interface_class_t * hw_class)
{
vlib_node_t *n = vlib_get_node (vm, node_index);
n->format_buffer = hw_class->format_header;
n->unformat_buffer = hw_class->unformat_header;
}
/* Register an interface instance. */
u32
vnet_register_interface (vnet_main_t * vnm,
u32 dev_class_index,
u32 dev_instance,
u32 hw_class_index, u32 hw_instance)
{
vnet_interface_main_t *im = &vnm->interface_main;
vnet_hw_interface_t *hw;
vnet_device_class_t *dev_class =
vnet_get_device_class (vnm, dev_class_index);
vnet_hw_interface_class_t *hw_class =
vnet_get_hw_interface_class (vnm, hw_class_index);
vlib_main_t *vm = vnm->vlib_main;
vnet_feature_config_main_t *fcm;
vnet_config_main_t *cm;
u32 hw_index, i;
char *tx_node_name = NULL, *output_node_name = NULL;
pool_get (im->hw_interfaces, hw);
clib_memset (hw, 0, sizeof (*hw));
hw_index = hw - im->hw_interfaces;
hw->hw_if_index = hw_index;
hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
if (dev_class->format_device_name)
hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
else if (hw_class->format_interface_name)
hw->name = format (0, "%U", hw_class->format_interface_name,
dev_instance);
else
hw->name = format (0, "%s%x", hw_class->name, dev_instance);
if (!im->hw_interface_by_name)
im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
sizeof (hw->name[0]),
sizeof (uword));
hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
/* Make hardware interface point to software interface. */
{
vnet_sw_interface_t sw = {
.type = VNET_SW_INTERFACE_TYPE_HARDWARE,
.flood_class = VNET_FLOOD_CLASS_NORMAL,
.hw_if_index = hw_index
};
hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
}
hw->dev_class_index = dev_class_index;
hw->dev_instance = dev_instance;
hw->hw_class_index = hw_class_index;
hw->hw_instance = hw_instance;
hw->max_rate_bits_per_sec = 0;
hw->min_packet_bytes = 0;
vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
if (dev_class->tx_function == 0)
goto no_output_nodes; /* No output/tx nodes to create */
tx_node_name = (char *) format (0, "%v-tx", hw->name);
output_node_name = (char *) format (0, "%v-output", hw->name);
/* If we have previously deleted interface nodes, re-use them. */
if (vec_len (im->deleted_hw_interface_nodes) > 0)
{
vnet_hw_interface_nodes_t *hn;
vlib_node_t *node;
vlib_node_runtime_t *nrt;
hn = vec_end (im->deleted_hw_interface_nodes) - 1;
hw->tx_node_index = hn->tx_node_index;
hw->output_node_index = hn->output_node_index;
vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
/* *INDENT-OFF* */
foreach_vlib_main ({
vnet_interface_output_runtime_t *rt;
rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
ASSERT (rt->is_deleted == 1);
rt->is_deleted = 0;
rt->hw_if_index = hw_index;
rt->sw_if_index = hw->sw_if_index;
rt->dev_instance = hw->dev_instance;
rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
rt->hw_if_index = hw_index;
rt->sw_if_index = hw->sw_if_index;
rt->dev_instance = hw->dev_instance;
});
/* *INDENT-ON* */
/* The new class may differ from the old one.
* Functions have to be updated. */
node = vlib_get_node (vm, hw->output_node_index);
node->function = vnet_interface_output_node;
node->format_trace = format_vnet_interface_output_trace;
/* *INDENT-OFF* */
foreach_vlib_main ({
nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
nrt->function = node->function;
});
/* *INDENT-ON* */
node = vlib_get_node (vm, hw->tx_node_index);
node->function = dev_class->tx_function;
node->format_trace = dev_class->format_tx_trace;
/* *INDENT-OFF* */
foreach_vlib_main ({
nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
nrt->function = node->function;
});
/* *INDENT-ON* */
_vec_len (im->deleted_hw_interface_nodes) -= 1;
}
else
{
vlib_node_registration_t r;
vnet_interface_output_runtime_t rt = {
.hw_if_index = hw_index,
.sw_if_index = hw->sw_if_index,
.dev_instance = hw->dev_instance,
.is_deleted = 0,
};
clib_memset (&r, 0, sizeof (r));
r.type = VLIB_NODE_TYPE_INTERNAL;
r.runtime_data = &rt;
r.runtime_data_bytes = sizeof (rt);
r.scalar_size = 0;
r.vector_size = sizeof (u32);
r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
r.name = tx_node_name;
r.function = dev_class->tx_function;
hw->tx_node_index = vlib_register_node (vm, &r);
vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
"error-drop",
VNET_INTERFACE_TX_NEXT_DROP);
r.flags = 0;
r.name = output_node_name;
r.function = vnet_interface_output_node;
r.format_trace = format_vnet_interface_output_trace;
{
static char *e[] = {
"interface is down",
"interface is deleted",
"no buffers to segment GSO",
};
r.n_errors = ARRAY_LEN (e);
r.error_strings = e;
}
hw->output_node_index = vlib_register_node (vm, &r);
vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
"error-drop",
VNET_INTERFACE_OUTPUT_NEXT_DROP);
vlib_node_add_next_with_slot (vm, hw->output_node_index,
hw->tx_node_index,
VNET_INTERFACE_OUTPUT_NEXT_TX);
/* add interface to the list of "output-interface" feature arc start nodes
and clone nexts from 1st interface if it exists */
fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
cm = &fcm->config_main;
i = vec_len (cm->start_node_indices);
vec_validate (cm->start_node_indices, i);
cm->start_node_indices[i] = hw->output_node_index;
if (hw_index)
{
/* copy nexts from 1st interface */
vnet_hw_interface_t *first_hw;
vlib_node_t *first_node;
first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
first_node = vlib_get_node (vm, first_hw->output_node_index);
/* 1st 2 nexts are already added above */
for (i = 2; i < vec_len (first_node->next_nodes); i++)
vlib_node_add_next_with_slot (vm, hw->output_node_index,
first_node->next_nodes[i], i);
}
}
setup_output_node (vm, hw->output_node_index, hw_class);
setup_tx_node (vm, hw->tx_node_index, dev_class);
no_output_nodes:
/* Call all up/down callbacks with zero flags when interface is created. */
vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
vec_free (tx_node_name);
vec_free (output_node_name);
return hw_index;
}
void
vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
{
vnet_interface_main_t *im = &vnm->interface_main;
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
vlib_main_t *vm = vnm->vlib_main;
vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
hw->dev_class_index);
/* If it is up, mark it down. */
if (hw->flags != 0)
vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
/* Call delete callbacks. */
call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
/* Delete any sub-interfaces. */
{
u32 id, sw_if_index;
/* *INDENT-OFF* */
hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
({
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
u64 sup_and_sub_key =
((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
vnet_delete_sw_interface (vnm, sw_if_index);
}));
hash_free (hw->sub_interface_sw_if_index_by_id);
/* *INDENT-ON* */
}
/* Delete software interface corresponding to hardware interface. */
vnet_delete_sw_interface (vnm, hw->sw_if_index);
if (dev_class->tx_function)
{
/* Put output/tx nodes into recycle pool */
vnet_hw_interface_nodes_t *dn;
/* *INDENT-OFF* */
foreach_vlib_main
({
vnet_interface_output_runtime_t *rt =
vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
/* Mark node runtime as deleted so output node (if called)
* will drop packets. */
rt->is_deleted = 1;
});
/* *INDENT-ON* */
vlib_node_rename (vm, hw->output_node_index,
"interface-%d-output-deleted", hw_if_index);
vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
hw_if_index);
vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
dn->tx_node_index = hw->tx_node_index;
dn->output_node_index = hw->output_node_index;
}
hash_unset_mem (im->hw_interface_by_name, hw->name);
vec_free (hw->name);
vec_free (hw->hw_address);
vec_free (hw->input_node_thread_index_by_queue);
vec_free (hw->dq_runtime_index_by_queue);
pool_put (im->hw_interfaces, hw);
}
void
vnet_hw_interface_walk_sw (vnet_main_t * vnm,
u32 hw_if_index,
vnet_hw_sw_interface_walk_t fn, void *ctx)
{
vnet_hw_interface_t *hi;
u32 id, sw_if_index;
hi = vnet_get_hw_interface (vnm, hw_if_index);
/* the super first, then the sub interfaces */
if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
return;
/* *INDENT-OFF* */
hash_foreach (id, sw_if_index,
hi->sub_interface_sw_if_index_by_id,
({
if (WALK_STOP == fn (vnm, sw_if_index, ctx))
break;
}));
/* *INDENT-ON* */
}
void
vnet_hw_interface_walk (vnet_main_t * vnm,
vnet_hw_interface_walk_t fn, void *ctx)
{
vnet_interface_main_t *im;
vnet_hw_interface_t *hi;
im = &vnm->interface_main;
/* *INDENT-OFF* */
pool_foreach (hi, im->hw_interfaces,
({
if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
break;
}));
/* *INDENT-ON* */
}
void
vnet_sw_interface_walk (vnet_main_t * vnm,
vnet_sw_interface_walk_t fn, void *ctx)
{
vnet_interface_main_t *im;
vnet_sw_interface_t *si;
im = &vnm->interface_main;
/* *INDENT-OFF* */
pool_foreach (si, im->sw_interfaces,
{
if (WALK_STOP == fn (vnm, si, ctx))
break;
});
/* *INDENT-ON* */
}
void
vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
u32 hw_class_index, u32 hw_instance)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
vnet_hw_interface_class_t *hc =
vnet_get_hw_interface_class (vnm, hw_class_index);
hi->hw_class_index = hw_class_index;
hi->hw_instance = hw_instance;
setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
}
static clib_error_t *
vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
u32 hw_class_index, u32 redistribute)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
vnet_hw_interface_class_t *old_class =
vnet_get_hw_interface_class (vnm, hi->hw_class_index);
vnet_hw_interface_class_t *new_class =
vnet_get_hw_interface_class (vnm, hw_class_index);
vnet_device_class_t *dev_class =
vnet_get_device_class (vnm, hi->dev_class_index);
clib_error_t *error = 0;
/* New class equals old class? Nothing to do. */
if (hi->hw_class_index == hw_class_index)
return 0;
/* No need (and incorrect since admin up flag may be set) to do error checking when
receiving unserialize message. */
if (redistribute)
{
if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
return clib_error_return (0,
"%v must be admin down to change class from %s to %s",
hi->name, old_class->name, new_class->name);
/* Make sure interface supports given class. */
if ((new_class->is_valid_class_for_interface
&& !new_class->is_valid_class_for_interface (vnm, hw_if_index,
hw_class_index))
|| (dev_class->is_valid_class_for_interface
&& !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
hw_class_index)))
return clib_error_return (0,
"%v class cannot be changed from %s to %s",
hi->name, old_class->name, new_class->name);
}
if (old_class->hw_class_change)
old_class->hw_class_change (vnm, hw_if_index, old_class->index,
new_class->index);
vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
/* instance */ ~0);
if (new_class->hw_class_change)
new_class->hw_class_change (vnm, hw_if_index, old_class->index,
new_class->index);
if (dev_class->hw_class_change)
dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
return error;
}
clib_error_t *
vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
u32 hw_class_index)
{
return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
/* redistribute */ 1);
}
static int
vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
u32 hw_if_index,
u32 node_index,
u32 redistribute)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
vnet_device_class_t *dev_class = vnet_get_device_class
(vnm, hi->dev_class_index);
if (dev_class->rx_redirect_to_node)
{
dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
return 0;
}
return VNET_API_ERROR_UNIMPLEMENTED;
}
int
vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
u32 node_index)
{
return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
node_index,
1 /* redistribute */ );
}
word
vnet_sw_interface_compare (vnet_main_t * vnm,
uword sw_if_index0, uword sw_if_index1)
{
vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
if (h0 != h1)
return vec_cmp (h0->name, h1->name);
return (word) h0->hw_instance - (word) h1->hw_instance;
}
word
vnet_hw_interface_compare (vnet_main_t * vnm,
uword hw_if_index0, uword hw_if_index1)
{
vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
if (h0 != h1)
return vec_cmp (h0->name, h1->name);
return (word) h0->hw_instance - (word) h1->hw_instance;
}
int
vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
{
vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
(si->type == VNET_SW_INTERFACE_TYPE_PIPE))
return 1;
vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
vnet_hw_interface_class_t *hc =
vnet_get_hw_interface_class (vnm, hw->hw_class_index);
return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
}
clib_error_t *
vnet_interface_init (vlib_main_t * vm)
{
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
vlib_buffer_t *b = 0;
vnet_buffer_opaque_t *o = 0;
clib_error_t *error;
/*
* Keep people from shooting themselves in the foot.
*/
if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
{
#define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
clib_warning \
("FATAL: size of opaque union subtype %s is %d (max %d)", \
#a, sizeof(o->a), sizeof (o->unused));
foreach_buffer_opaque_union_subtype;
#undef _
return clib_error_return
(0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
}
clib_spinlock_init (&im->sw_if_counter_lock);
clib_spinlock_lock (&im->sw_if_counter_lock); /* should be no need */
vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
#define _(E,n,p) \
im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
foreach_simple_interface_counter_name
#undef _
vec_validate (im->combined_sw_if_counters,
VNET_N_COMBINED_INTERFACE_COUNTER - 1);
#define _(E,n,p) \
im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
foreach_combined_interface_counter_name
#undef _
clib_spinlock_unlock (&im->sw_if_counter_lock);
im->device_class_by_name = hash_create_string ( /* size */ 0,
sizeof (uword));
{
vnet_device_class_t *c;
c = vnm->device_class_registrations;
while (c)
{
c->index = vec_len (im->device_classes);
hash_set_mem (im->device_class_by_name, c->name, c->index);
if (c->tx_fn_registrations)
{
vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
int priority = -1;
/* to avoid confusion, please remove ".tx_function" statement
from VNET_DEVICE_CLASS() if using function candidates */
ASSERT (c->tx_function == 0);
while (fnr)
{
if (fnr->priority > priority)
{
priority = fnr->priority;
c->tx_function = fnr->function;
}
fnr = fnr->next_registration;
}
}
vec_add1 (im->device_classes, c[0]);
c = c->next_class_registration;
}
}
im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
sizeof (uword));
im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
sizeof (uword));
{
vnet_hw_interface_class_t *c;
c = vnm->hw_interface_class_registrations;
while (c)
{
c->index = vec_len (im->hw_interface_classes);
hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
if (NULL == c->build_rewrite)
c->build_rewrite = default_build_rewrite;
if (NULL == c->update_adjacency)
c->update_adjacency = default_update_adjacency;
vec_add1 (im->hw_interface_classes, c[0]);
c = c->next_class_registration;
}
}
im->gso_interface_count = 0;
/* init per-thread data */
vec_validate_aligned (im->per_thread_data, vlib_num_workers (),
CLIB_CACHE_LINE_BYTES);
if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
return error;
vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
#if VLIB_BUFFER_TRACE_TRAJECTORY > 0
if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
return error;
#endif
return 0;
}
VLIB_INIT_FUNCTION (vnet_interface_init);
/* Kludge to renumber interface names [only!] */
int
vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
{
int rv;
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
vnet_device_class_t *dev_class = vnet_get_device_class
(vnm, hi->dev_class_index);
if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
return VNET_API_ERROR_UNIMPLEMENTED;
rv = dev_class->name_renumber (hi, new_show_dev_instance);
if (rv)
return rv;
hash_unset_mem (im->hw_interface_by_name, hi->name);
vec_free (hi->name);
/* Use the mapping we set up to call it Ishmael */
hi->name = format (0, "%U", dev_class->format_device_name,
hi->dev_instance);
hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
return rv;
}
clib_error_t *
vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
{
vnet_interface_main_t *im = &vnm->interface_main;
vlib_main_t *vm = vnm->vlib_main;
vnet_hw_interface_t *hw;
u8 *old_name;
clib_error_t *error = 0;
hw = vnet_get_hw_interface (vnm, hw_if_index);
if (!hw)
{
return clib_error_return (0,
"unable to find hw interface for index %u",
hw_if_index);
}
old_name = hw->name;
/* set new hw->name */
hw->name = format (0, "%s", new_name);
/* remove the old name to hw_if_index mapping and install the new one */
hash_unset_mem (im->hw_interface_by_name, old_name);
hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
/* rename tx/output nodes */
vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
/* free the old name vector */
vec_free (old_name);
return error;
}
static clib_error_t *
vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
u32 hw_if_index,
const u8 * mac_address)
{
clib_error_t *error = 0;
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
if (hi->hw_address)
{
u8 *old_address = vec_dup (hi->hw_address);
vnet_device_class_t *dev_class =
vnet_get_device_class (vnm, hi->dev_class_index);
if (dev_class->mac_addr_change_function)
{
error =
dev_class->mac_addr_change_function (hi, old_address,
mac_address);
}
if (!error)
{
vnet_hw_interface_class_t *hw_class;
hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
if (NULL != hw_class->mac_addr_change_function)
hw_class->mac_addr_change_function (hi, old_address, mac_address);
}
else
{
error =
clib_error_return (0,
"MAC Address Change is not supported on this interface");
}
vec_free (old_address);
}
else
{
error =
clib_error_return (0,
"mac address change is not supported for interface index %u",
hw_if_index);
}
return error;
}
clib_error_t *
vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
const u8 * mac_address)
{
return vnet_hw_interface_change_mac_address_helper
(vnm, hw_if_index, mac_address);
}
/* update the unnumbered state of an interface*/
void
vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
u32 ip_sw_if_index, u8 enable)
{
vnet_main_t *vnm = vnet_get_main ();
vnet_sw_interface_t *si;
u32 was_unnum;
si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
if (enable)
{
si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
si->unnumbered_sw_if_index = ip_sw_if_index;
ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
[unnumbered_sw_if_index] =
ip4_main.
lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
ip6_main.
lookup_main.if_address_pool_index_by_sw_if_index
[unnumbered_sw_if_index] =
ip6_main.
lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
}
else
{
si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
si->unnumbered_sw_if_index = (u32) ~ 0;
ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
[unnumbered_sw_if_index] = ~0;
ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
[unnumbered_sw_if_index] = ~0;
}
if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
{
ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
}
}
vnet_l3_packet_type_t
vnet_link_to_l3_proto (vnet_link_t link)
{
switch (link)
{
case VNET_LINK_IP4:
return (VNET_L3_PACKET_TYPE_IP4);
case VNET_LINK_IP6:
return (VNET_L3_PACKET_TYPE_IP6);
case VNET_LINK_MPLS:
return (VNET_L3_PACKET_TYPE_MPLS);
case VNET_LINK_ARP:
return (VNET_L3_PACKET_TYPE_ARP);
case VNET_LINK_ETHERNET:
case VNET_LINK_NSH:
ASSERT (0);
break;
}
ASSERT (0);
return (0);
}
vnet_mtu_t
vnet_link_to_mtu (vnet_link_t link)
{
switch (link)
{
case VNET_LINK_IP4:
return (VNET_MTU_IP4);
case VNET_LINK_IP6:
return (VNET_MTU_IP6);
case VNET_LINK_MPLS:
return (VNET_MTU_MPLS);
default:
return (VNET_MTU_L3);
}
}
u8 *
default_build_rewrite (vnet_main_t * vnm,
u32 sw_if_index,
vnet_link_t link_type, const void *dst_address)
{
return (NULL);
}
void
default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
{
ip_adjacency_t *adj;
adj = adj_get (ai);
switch (adj->lookup_next_index)
{
case IP_LOOKUP_NEXT_GLEAN:
adj_glean_update_rewrite (ai);
break;
case IP_LOOKUP_NEXT_ARP:
case IP_LOOKUP_NEXT_BCAST:
/*
* default rewrite in neighbour adj
*/
adj_nbr_update_rewrite
(ai,
ADJ_NBR_REWRITE_FLAG_COMPLETE,
vnet_build_rewrite_for_sw_interface (vnm,
sw_if_index,
adj_get_link_type (ai), NULL));
break;
case IP_LOOKUP_NEXT_MCAST:
/*
* mcast traffic also uses default rewrite string with no mcast
* switch time updates.
*/
adj_mcast_update_rewrite
(ai,
vnet_build_rewrite_for_sw_interface (vnm,
sw_if_index,
adj_get_link_type (ai),
NULL), 0);
break;
case IP_LOOKUP_NEXT_DROP:
case IP_LOOKUP_NEXT_PUNT:
case IP_LOOKUP_NEXT_LOCAL:
case IP_LOOKUP_NEXT_REWRITE:
case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
case IP_LOOKUP_NEXT_MIDCHAIN:
case IP_LOOKUP_NEXT_ICMP_ERROR:
case IP_LOOKUP_N_NEXT:
ASSERT (0);
break;
}
}
int collect_detailed_interface_stats_flag = 0;
void
collect_detailed_interface_stats_flag_set (void)
{
collect_detailed_interface_stats_flag = 1;
}
void
collect_detailed_interface_stats_flag_clear (void)
{
collect_detailed_interface_stats_flag = 0;
}
static clib_error_t *
collect_detailed_interface_stats_cli (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
clib_error_t *error = NULL;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return clib_error_return (0, "expected enable | disable");
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "enable") || unformat (line_input, "on"))
collect_detailed_interface_stats_flag_set ();
else if (unformat (line_input, "disable")
|| unformat (line_input, "off"))
collect_detailed_interface_stats_flag_clear ();
else
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, line_input);
goto done;
}
}
done:
unformat_free (line_input);
return error;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
.path = "interface collect detailed-stats",
.short_help = "interface collect detailed-stats <enable|disable>",
.function = collect_detailed_interface_stats_cli,
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
