/*
*------------------------------------------------------------------
* Copyright (c) 2018 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 <stdint.h>
#include <net/if.h>
#include <sys/ioctl.h>
#include <inttypes.h>
#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vlib/pci/pci.h>
#include <vnet/ethernet/ethernet.h>
#include <vmxnet3/vmxnet3.h>
static clib_error_t *
vmxnet3_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
vmxnet3_create_if_args_t args;
u32 tmp;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
memset (&args, 0, sizeof (args));
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%U", unformat_vlib_pci_addr, &args.addr))
;
else if (unformat (line_input, "elog"))
args.enable_elog = 1;
else if (unformat (line_input, "rx-queue-size %u", &tmp))
args.rxq_size = tmp;
else if (unformat (line_input, "tx-queue-size %u", &tmp))
args.txq_size = tmp;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
unformat_free (line_input);
vmxnet3_create_if (vm, &args);
return args.error;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vmxnet3_create_command, static) = {
.path = "create interface vmxnet3",
.short_help = "create interface vmxnet3 <pci-address>"
"[rx-queue-size <size>] [tx-queue-size <size>]",
.function = vmxnet3_create_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
vmxnet3_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index = ~0;
vnet_hw_interface_t *hw;
vmxnet3_main_t *vmxm = &vmxnet3_main;
vmxnet3_device_t *vd;
vnet_main_t *vnm = vnet_get_main ();
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "sw_if_index %d", &sw_if_index))
;
else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
vnm, &sw_if_index))
;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
unformat_free (line_input);
if (sw_if_index == ~0)
return clib_error_return (0,
"please specify interface name or sw_if_index");
hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
if (hw == NULL || vmxnet3_device_class.index != hw->dev_class_index)
return clib_error_return (0, "not a vmxnet3 interface");
vd = pool_elt_at_index (vmxm->devices, hw->dev_instance);
vmxnet3_delete_if (vm, vd);
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vmxnet3_delete_command, static) = {
.path = "delete interface vmxnet3",
.short_help = "delete interface vmxnet3 "
"{<interface> | sw_if_index <sw_idx>}",
.function = vmxnet3_delete_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
vmxnet3_test_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index = ~0;
vnet_hw_interface_t *hw;
vmxnet3_main_t *vmxm = &vmxnet3_main;
vmxnet3_device_t *vd;
vnet_main_t *vnm
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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.h: 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.
*/
#ifndef included_vnet_interface_h
#define included_vnet_interface_h
#include <vlib/vlib.h>
#include <vppinfra/pcap.h>
#include <vnet/l3_types.h>
#include <vppinfra/lock.h>
struct vnet_main_t;
struct vnet_hw_interface_t;
struct vnet_sw_interface_t;
union ip46_address_t_;
typedef enum
{
VNET_HW_IF_RX_MODE_UNKNOWN,
VNET_HW_IF_RX_MODE_POLLING,
VNET_HW_IF_RX_MODE_INTERRUPT,
VNET_HW_IF_RX_MODE_ADAPTIVE,
VNET_HW_IF_RX_MODE_DEFAULT,
VNET_HW_IF_NUM_RX_MODES,
} vnet_hw_if_rx_mode;
/* Interface up/down callback. */
typedef clib_error_t *(vnet_interface_function_t)
(struct vnet_main_t * vnm, u32 if_index, u32 flags);
/* Sub-interface add/del callback. */
typedef clib_error_t *(vnet_subif_add_del_function_t)
(struct vnet_main_t * vnm, u32 if_index,
struct vnet_sw_interface_t * template, int is_add);
/* Interface set mac address callback. */
typedef clib_error_t *(vnet_interface_set_mac_address_function_t)
(struct vnet_hw_interface_t * hi,
const u8 * old_address, const u8 * new_address);
/* Interface add/del additional mac address callback */
typedef clib_error_t *(vnet_interface_add_del_mac_address_function_t)
(struct vnet_hw_interface_t * hi, const u8 * address, u8 is_add);
/* Interface set rx mode callback. */
typedef clib_error_t *(vnet_interface_set_rx_mode_function_t)
(struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
vnet_hw_if_rx_mode mode);
/* Interface set l2 mode callback. */
typedef clib_error_t *(vnet_interface_set_l2_mode_function_t)
(struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi,
i32 l2_if_adjust);
/* Interface to set rss queues of the interface */
typedef clib_error_t *(vnet_interface_rss_queues_set_t)
(struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi,
clib_bitmap_t * bitmap);
typedef enum
{
VNET_FLOW_DEV_OP_ADD_FLOW,
VNET_FLOW_DEV_OP_DEL_FLOW,
VNET_FLOW_DEV_OP_GET_COUNTER,
VNET_FLOW_DEV_OP_RESET_COUNTER,
} vnet_flow_dev_op_t;
/* Interface flow operations callback. */
typedef int (vnet_flow_dev_ops_function_t) (struct vnet_main_t * vnm,
vnet_flow_dev_op_t op,
u32 hw_if_index, u32 index,
uword * private_data);
typedef enum vnet_interface_function_priority_t_
{
VNET_ITF_FUNC_PRIORITY_LOW,
VNET_ITF_FUNC_PRIORITY_HIGH,
} vnet_interface_function_priority_t;
#define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
typedef struct _vnet_interface_function_list_elt
{
struct _vnet_interface_function_list_elt *next_interface_function;
clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
} _vnet_interface_function_list_elt_t;
#ifndef CLIB_MARCH_VARIANT
#define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
\
static void __vnet_interface_function_init_##tag##_##f (void) \
__attribute__((__constructor__)) ; \
\
static void __vnet_interface_function_init_##tag##_##f (void) \
{ \
vnet_main_t * vnm = vnet_get_main(); \
static _vnet_interface_function_list_elt_t init_function; \
init_function.next_interface_function = vnm->tag##_functions[p]; \
vnm->tag##_functions[p] = &init_function; \
init_function.fp = (void *) &f; \
} \
static void __vnet_interface_function_deinit_##tag##_##f (void) \
__attribute__((__destructor__)) ; \
\
static void __vnet_interface_function_deinit_##tag##_##f (void) \
{ \
vnet_main_t * vnm = vnet_get_main(); \
_vnet_interface_function_list_elt_t *next; \
if (vnm->tag##_functions[p]->fp == f) \
{ \
vnm->tag##_functions[p] = \
vnm->tag##_functions[p]->next_interface_function; \
return; \
} \
next = vnm->tag##_functions[p]; \
while (next->next_interface_function) \
{ \
if (next->next_interface_function->fp == f) \
{ \
next->next_interface_function = \
next->next_interface_function->next_interface_function; \
return; \
} \
next = next->next_interface_function; \
} \
}
#else
/* create unused pointer to silence compiler warnings and get whole
function optimized out */
#define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
static __clib_unused void * __clib_unused_##f = f;
#endif
#define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
_VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
#define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
_VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
#define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
_VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
#define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
_VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
#define VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(f) \
_VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change)
#define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
_VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
#define VNET_SW_INTERFACE_ADD_DEL_FUNCTION_PRIO(f,p) \
_VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_add_del,p)
#define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
_VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
#define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
_VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
/**
* Tunnel description parameters
*/
typedef int (*vnet_dev_class_ip_tunnel_desc_t) (u32 sw_if_index,
union ip46_address_t_ * src,
union ip46_address_t_ * dst,
u8 * is_l2);
/* A class of hardware interface devices. */
typedef struct _vnet_device_class
{
/* Index into main vector. */
u32 index;
/* Device name (e.g. "FOOBAR 1234a"). */
char *name;
/* Function to call when hardware interface is added/deleted. */
vnet_interface_function_t *interface_add_del_function;
/* Function to bring device administratively up/down. */
vnet_interface_function_t *admin_up_down_function;
/* Function to call when sub-interface is added/deleted */
vnet_subif_add_del_function_t *subif_add_del_function;
/* Function to call interface rx mode is changed */
vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
/* Function to call interface l2 mode is changed */
vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
/* Redistribute flag changes/existence of this interface class. */
u32 redistribute;
/* Transmit function. */
vlib_node_function_t *tx_function;
/* Transmit function candidate registration with priority */
vlib_node_fn_registration_t *tx_fn_registrations;
/* Error strings indexed by error code for this node. */
char **tx_function_error_strings;
vlib_error_desc_t *tx_function_error_counters;
/* Number of error codes used by this node. */
u32 tx_function_n_errors;
/* Renumber device name [only!] support, a control-plane kludge */
int (*name_renumber) (struct vnet_hw_interface_t * hi,
u32 new_dev_instance);
/* Interface flow offload operations */
vnet_flow_dev_ops_function_t *flow_ops_function;
/* Format device instance as name. */
format_function_t *format_device_name;
/* Parse function for device name. */
unformat_function_t *unformat_device_name;
/* Format device verbosely for this class. */
format_function_t *format_device;
/* Trace buffer format for TX function. */
format_function_t *format_tx_trace;
/* Format flow offload entry */
format_function_t *format_flow;
vnet_dev_class_ip_tunnel_desc_t ip_tun_desc;
/* Function to clear hardware counters for device. */
void (*clear_counters) (u32 dev_class_instance);
uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
u32 hw_if_index,
u32 hw_class_index);
/* Called when hardware class of an interface changes. */
void (*hw_class_change) (struct vnet_main_t * vnm,
u32 hw_if_index, u32 new_hw_class_index);
/* Called to redirect traffic from a specific interface instance */
void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
u32 hw_if_index, u32 node_index);
/* Link-list of all device classes set up by constructors created below */
struct _vnet_device_class *next_class_registration;
/* Function to set mac address. */
vnet_interface_set_mac_address_function_t *mac_addr_change_function;
/* Function to add/delete additional MAC addresses */
vnet_interface_add_del_mac_address_function_t *mac_addr_add_del_function;
/* Interface to set rss queues of the interface */
vnet_interface_rss_queues_set_t *set_rss_queues_function;
} vnet_device_class_t;
#ifndef CLIB_MARCH_VARIANT
#define VNET_DEVICE_CLASS(x,...) \
__VA_ARGS__ vnet_device_class_t x; \
static void __vnet_add_device_class_registration_##x (void) \
__attribute__((__constructor__)) ; \
static void __vnet_add_device_class_registration_##x (void) \
{ \
vnet_main_t * vnm = vnet_get_main(); \
x.next_class_registration = vnm->device_class_registrations; \
vnm->device_class_registrations = &x; \
} \
static void __vnet_rm_device_class_registration_##x (void) \
__attribute__((__destructor__)) ; \
static void __vnet_rm_device_class_registration_##x (void) \
{ \
vnet_main_t * vnm = vnet_get_main(); \
VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \
&x, next_class_registration); \
} \
__VA_ARGS__ vnet_device_class_t x
#else
/* create unused pointer to silence compiler warnings and get whole
function optimized out */
#define VNET_DEVICE_CLASS(x,...) \
static __clib_unused vnet_device_class_t __clib_unused_##x
#endif
#define VNET_DEVICE_CLASS_TX_FN(devclass) \
uword CLIB_MARCH_SFX (devclass##_tx_fn) (); \
static vlib_node_fn_registration_t CLIB_MARCH_SFX ( \
devclass##_tx_fn_registration) = { \
.function = &CLIB_MARCH_SFX (devclass##_tx_fn), \
}; \
\
static void __clib_constructor CLIB_MARCH_SFX ( \
devclass##_tx_fn_multiarch_register) (void) \
{ \
extern vnet_device_class_t devclass; \
vlib_node_fn_registration_t *r; \
r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration); \
r->march_variant = CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE); \
r->next_registration = devclass.tx_fn_registrations; \
devclass.tx_fn_registrations = r; \
} \
uword CLIB_MARCH_SFX (devclass##_tx_fn)
/**
* Link Type: A description of the protocol of packets on the link.
* On an ethernet link this maps directly into the ethertype. On a GRE tunnel
* it maps to the GRE-proto, etc for other lnk types.
*/
typedef enum vnet_link_t_
{
#if CLIB_DEBUG > 0
VNET_LINK_IP4 = 1,
#else
VNET_LINK_IP4 = 0,
#endif
VNET_LINK_IP6,
VNET_LINK_MPLS,
VNET_LINK_ETHERNET,
VNET_LINK_ARP,
VNET_LINK_NSH,
} __attribute__ ((packed)) vnet_link_t;
#define VNET_LINKS { \
[VNET_LINK_ETHERNET] = "ethernet", \
[VNET_LINK_IP4] = "ipv4", \
[VNET_LINK_IP6] = "ipv6", \
[VNET_LINK_MPLS] = "mpls", \
[VNET_LINK_ARP] = "arp", \
[VNET_LINK_NSH] = "nsh", \
}
#define FOR_EACH_VNET_LINK(_link) \
for (_link = VNET_LINK_IP4; \
_link <= VNET_LINK_NSH; \
_link++)
#define FOR_EACH_VNET_IP_LINK(_link) \
for (_link = VNET_LINK_IP4; \
_link <= VNET_LINK_IP6; \
_link++)
/**
* @brief Number of link types. Not part of the enum so it does not have to be
* included in switch statements
*/
#define VNET_LINK_NUM (VNET_LINK_NSH+1)
#define VNET_N_LINKS VNET_LINK_NUM
/**
* @brief Convert a link to to an Ethertype
*/
extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
/**
* @brief Attributes assignable to a HW interface Class.
*/
typedef enum vnet_hw_interface_class_flags_t_
{
/**
* @brief a point 2 point interface
*/
VNET_HW_INTERFACE_CLASS_FLAG_P2P = (1 << 0),
/**
* @brief a non-broadcast multiple access interface
*/
VNET_HW_INTERFACE_CLASS_FLAG_NBMA = (1 << 1),
} vnet_hw_interface_class_flags_t;
/* Layer-2 (e.g. Ethernet) interface class. */
typedef struct _vnet_hw_interface_class
{
/* Index into main vector. */
u32 index;
/* Class name (e.g. "Ethernet"). */
char *name;
/* Flags */
vnet_hw_interface_class_flags_t flags;
/* Function to call when hardware interface is added/deleted. */
vnet_interface_function_t *interface_add_del_function;
/* Function to bring interface administratively up/down. */
vnet_interface_function_t *admin_up_down_function;
/* Function to call when link state changes. */
vnet_interface_function_t *link_up_down_function;
/* Function to call when link MAC changes. */
vnet_interface_set_mac_address_function_t *mac_addr_change_function;
/* Function to add/delete additional MAC addresses */
vnet_interface_add_del_mac_address_function_t *mac_addr_add_del_function;
/* Format function to display interface name. */
format_function_t *format_interface_name;
/* Format function to display interface address. */
format_function_t *format_address;
/* Format packet header for this interface class. */
format_function_t *format_header;
/* Format device verbosely for this class. */
format_function_t *format_device;
/* Parser for hardware (e.g. ethernet) address. */
unformat_function_t *unformat_hw_address;
/* Parser for packet header for e.g. rewrite string. */
unformat_function_t *unformat_header;
/* Builds a rewrite string for the interface to the destination
* for the payload/link type. */
u8 *(*build_rewrite) (struct vnet_main_t * vnm,
u32 sw_if_index,
vnet_link_t link_type, const void *dst_hw_address);
/* Update an adjacency added by FIB (as opposed to via the
* neighbour resolution protocol). */
void (*update_adjacency) (struct vnet_main_t * vnm,
u32 sw_if_index, u32 adj_index);
uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
u32 hw_if_index,
u32 hw_class_index);
/* Called when hw interface class is changed and old hardware instance
may want to be deleted. */
void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
u32 old_class_index, u32 new_class_index);
/* List of hw interface classes, built by constructors */
struct _vnet_hw_interface_class *next_class_registration;
} vnet_hw_interface_class_t;
/**
* @brief Return a complete, zero-length (aka placeholder) rewrite
*/
extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
u32 sw_if_index,
vnet_link_t link_type,
const void *dst_hw_address);
/**
* @brief Default adjacency update function
*/
extern void default_update_adjacency (struct vnet_main_t *vnm,
u32 sw_if_index, u32 adj_index);
#define VNET_HW_INTERFACE_CLASS(x,...) \
__VA_ARGS__ vnet_hw_interface_class_t x; \
static void __vnet_add_hw_interface_class_registration_##x (void) \
__attribute__((__constructor__)) ; \
static void __vnet_add_hw_interface_class_registration_##x (void) \
{ \
vnet_main_t * vnm = vnet_get_main(); \
x.next_class_registration = vnm->hw_interface_class_registrations; \
vnm->hw_interface_class_registrations = &x; \
} \
static void __vnet_rm_hw_interface_class_registration_##x (void) \
__attribute__((__destructor__)) ; \
static void __vnet_rm_hw_interface_class_registration_##x (void) \
{ \
vnet_main_t * vnm = vnet_get_main(); \
VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\
&x, next_class_registration); \
} \
__VA_ARGS__ vnet_hw_interface_class_t x
typedef enum vnet_hw_interface_flags_t_
{
VNET_HW_INTERFACE_FLAG_NONE,
/* Hardware link state is up. */
VNET_HW_INTERFACE_FLAG_LINK_UP = (1 << 0),
/* Hardware duplex state */
VNET_HW_INTERFACE_FLAG_HALF_DUPLEX = (1 << 1),
VNET_HW_INTERFACE_FLAG_FULL_DUPLEX = (1 << 2),
/* non-broadcast multiple access */
VNET_HW_INTERFACE_FLAG_NBMA = (1 << 19),
} vnet_hw_interface_flags_t;
typedef enum vnet_hw_interface_capabilities_t_
{
VNET_HW_INTERFACE_CAP_NONE,
/* tx checksum offload */
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM = (1 << 0),
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM = (1 << 1),
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM = (1 << 2),
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_OUTER_CKSUM = (1 << 3),
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_OUTER_CKSUM = (1 << 4),
/* rx checksum offload */
VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_CKSUM = (1 << 5),
VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM = (1 << 6),
VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM = (1 << 7),
VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_OUTER_CKSUM = (1 << 8),
VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_OUTER_CKSUM = (1 << 9),
/* gso */
VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_GSO = (1 << 10),
VNET_HW_INTERFACE_CAP_SUPPORTS_UDP_GSO = (1 << 11),
VNET_HW_INTERFACE_CAP_SUPPORTS_VXLAN_TNL_GSO = (1 << 12),
VNET_HW_INTERFACE_CAP_SUPPORTS_IPIP_TNL_GSO = (1 << 13),
VNET_HW_INTERFACE_CAP_SUPPORTS_GENEVE_TNL_GSO = (1 << 14),
VNET_HW_INTERFACE_CAP_SUPPORTS_GRE_TNL_GSO = (1 << 15),
VNET_HW_INTERFACE_CAP_SUPPORTS_UDP_TNL_GSO = (1 << 16),
VNET_HW_INTERFACE_CAP_SUPPORTS_IP_TNL_GSO = (1 << 17),
/* lro */
VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_LRO = (1 << 18),
/* rx mode */
VNET_HW_INTERFACE_CAP_SUPPORTS_INT_MODE = (1 << 30),
/* hw/driver can switch between l2-promisc and l3-dmac-filter modes */
VNET_HW_INTERFACE_CAP_SUPPORTS_MAC_FILTER = (1 << 31),
} vnet_hw_interface_capabilities_t;
#define VNET_HW_INTERFACE_CAP_SUPPORTS_L4_TX_CKSUM \
(VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM | \
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM)
#define VNET_HW_INTERFACE_CAP_SUPPORTS_TX_CKSUM \
(VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM | \
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM | \
VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM)
#define VNET_HW_INTERFACE_CAP_SUPPORTS_L4_RX_CKSUM \
(VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM | \
VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM)
#define VNET_HW_INTERFACE_CAP_SUPPORTS_RX_CKSUM \
(VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_CKSUM | \
VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM | \
VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM)
#define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
#define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
#define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
(VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
typedef struct
{
/* hw interface index */
u32 hw_if_index;
/* device instance */
u32 dev_instance;
/* index of thread pollling this queue */
u32 thread_index;
/* file index of queue interrupt line */
u32 file_index;
/* hardware queue identifier */
u32 queue_id;
/* mode */
vnet_hw_if_rx_mode mode : 8;
#define VNET_HW_IF_RXQ_THREAD_ANY ~0
#define VNET_HW_IF_RXQ_NO_RX_INTERRUPT ~0
} vnet_hw_if_rx_queue_t;
typedef struct
{
u8 shared_queue : 1;
/* hw interface index */
u32 hw_if_index;
/* hardware queue identifier */
u32 queue_id;
/* bitmap of threads which use this queue */
clib_bitmap_t *threads;
} vnet_hw_if_tx_queue_t;
typedef enum
{
VNET_HW_IF_TX_FRAME_HINT_NOT_CHAINED = (1 << 0),
VNET_HW_IF_TX_FRAME_HINT_NO_GSO = (1 << 1),
VNET_HW_IF_TX_FRAME_HINT_NO_CKSUM_OFFLOAD = (1 << 2),
} vnet_hw_if_tx_frame_hint_t;
typedef struct
{
u8 shared_queue : 1;
vnet_hw_if_tx_frame_hint_t hints : 16;
u32 queue_id;
} vnet_hw_if_tx_frame_t;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
vnet_hw_if_tx_frame_t frame;
u32 n_threads;
} vnet_hw_if_output_node_runtime_t;
/* Hardware-interface. This corresponds to a physical wire
that packets flow over. */
typedef struct vnet_hw_interface_t
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
/* flags */
vnet_hw_interface_flags_t flags;
/* capabilities flags */
vnet_hw_interface_capabilities_t caps;
/* Hardware address as vector. Zero (e.g. zero-length vector) if no
address for this class (e.g. PPP). */
u8 *hw_address;
/* Interface is up as far as software is concerned. */
/* NAME.{output,tx} nodes for this interface. */
u32 output_node_index, tx_node_index;
/* interface-output-arc-end node next index for tx node */
u32 if_out_arc_end_node_next_index;
/* (dev_class, dev_instance) uniquely identifies hw interface. */
u32 dev_class_index;
u32 dev_instance;
/* (hw_class, hw_instance) uniquely identifies hw interface. */
u32 hw_class_index;
u32 hw_instance;
/* Hardware index for this hardware interface. */
u32 hw_if_index;
/* Software index for this hardware interface. */
u32 sw_if_index;
/* per thread output-node runtimes */
vnet_hw_if_output_node_runtime_t *output_node_thread_runtimes;
CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
/* Interface name. */
u8 *name;
/* link speed in kbps */
u32 link_speed;
/* Next index in interface-output node for this interface
used by node function vnet_per_buffer_interface_output() */
u32 output_node_next_index;
/* Maximum transmit rate for this interface in bits/sec. */
f64 max_rate_bits_per_sec;
/* Smallest packet size supported by this interface. */
u32 min_supported_packet_bytes;
/* Largest packet size supported by this interface. */
u32 max_supported_packet_bytes;
/* Smallest packet size for this interface. */
u32 min_packet_bytes;
/* Largest packet size for this interface. */
u32 max_packet_bytes;
/* Hash table mapping sub interface id to sw_if_index. */
uword *sub_interface_sw_if_index_by_id;
/* Count of number of L2 and L3 subinterfaces */
u32 l2_if_count;
u32 l3_if_count;
/* Bonded interface info -
0 - not a bonded interface nor a slave
~0 - slave to a bonded interface
others - A bonded interface with a pointer to bitmap for all slaves */
uword *bond_info;
#define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
#define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
/* Input node */
u32 input_node_index;
/* input node cpu index by queue */
u32 *input_node_thread_index_by_queue;
vnet_hw_if_rx_mode default_rx_mode;
/* rx queues */
u32 *rx_queue_indices;
/* tx queues */
u32 *tx_queue_indices;
/* numa node that hardware device connects to */
u8 numa_node;
/* rss queues bitmap */
clib_bitmap_t *rss_queues;
/* trace */
i32 n_trace;
u32 trace_classify_table_index;
} vnet_hw_interface_t;
STATIC_ASSERT_OFFSET_OF (vnet_hw_interface_t, cacheline1,
CLIB_CACHE_LINE_BYTES);
typedef struct
{
u32 dev_instance;
u32 queue_id;
} vnet_hw_if_rxq_poll_vector_t;
typedef struct
{
vnet_hw_if_rxq_poll_vector_t *rxq_poll_vector;
void *rxq_interrupts;
} vnet_hw_if_rx_node_runtime_t;
extern vnet_device_class_t vnet_local_interface_device_class;
typedef enum
{
/* A hw interface. */
VNET_SW_INTERFACE_TYPE_HARDWARE,
/* A sub-interface. */
VNET_SW_INTERFACE_TYPE_SUB,
VNET_SW_INTERFACE_TYPE_P2P,
VNET_SW_INTERFACE_TYPE_PIPE,
} vnet_sw_interface_type_t;
typedef struct
{
/*
* Subinterface ID. A number 0-N to uniquely identify
* this subinterface under the main (parent?) interface
*/
u32 id;
/* Classification data. Used to associate packet header with subinterface. */
struct
{
u16 outer_vlan_id;
u16 inner_vlan_id;
union
{
u16 raw_flags;
struct
{
u16 no_tags:1;
u16 one_tag:1;
u16 two_tags:1;
u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
u16 exact_match:1;
u16 default_sub:1;
u16 outer_vlan_id_any:1;
u16 inner_vlan_id_any:1;
} flags;
};
} eth;
} vnet_sub_interface_t;
typedef struct
{
/*
* Subinterface ID. A number 0-N to uniquely identify
* this subinterface under the main interface
*/
u32 id;
u32 pool_index;
u8 client_mac[6];
} vnet_p2p_sub_interface_t;
typedef enum
{
/* THe BVI interface */
VNET_FLOOD_CLASS_BVI,
/* Always flood */
VNET_FLOOD_CLASS_NORMAL,
VNET_FLOOD_CLASS_TUNNEL_MASTER,
/* Does not flood when tunnel master is in the same L2 BD */
VNET_FLOOD_CLASS_TUNNEL_NORMAL,
/* Never flood to this type */
VNET_FLOOD_CLASS_NO_FLOOD,
} vnet_flood_class_t;
/* Per protocol MTU */
typedef enum
{
VNET_MTU_L3, /* Default payload MTU (without L2 headers) */
VNET_MTU_IP4, /* Per-protocol MTUs overriding default */
VNET_MTU_IP6,
VNET_MTU_MPLS,
VNET_N_MTU
} vnet_mtu_t;
extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
typedef enum vnet_sw_interface_flags_t_
{
VNET_SW_INTERFACE_FLAG_NONE = 0,
/* Interface is "up" meaning administratively up.
Up in the sense of link state being up is maintained by hardware interface. */
VNET_SW_INTERFACE_FLAG_ADMIN_UP = (1 << 0),
/* Interface is disabled for forwarding: punt all traffic to slow-path. */
VNET_SW_INTERFACE_FLAG_PUNT = (1 << 1),
__VNET_SW_INTERFACE_FLAG_UNSUED = (1 << 2),
VNET_SW_INTERFACE_FLAG_UNNUMBERED = (1 << 3),
__VNET_SW_INTERFACE_FLAG_UNUSED2 = (1 << 4),
/* Interface does not appear in CLI/API */
VNET_SW_INTERFACE_FLAG_HIDDEN = (1 << 5),
/* Interface in ERROR state */
VNET_SW_INTERFACE_FLAG_ERROR = (1 << 6),
/* Interface has IP configured directed broadcast */
VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST = (1 << 7),
} __attribute__ ((packed)) vnet_sw_interface_flags_t;
/* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
tunnel, etc. Configuration (e.g. IP address) gets attached to
software interface. */
typedef struct
{
vnet_sw_interface_type_t type:16;
vnet_sw_interface_flags_t flags;
/* Index for this interface. */
u32 sw_if_index;
/* Software interface index of super-interface;
equal to sw_if_index if this interface is not a
sub-interface. */
u32 sup_sw_if_index;
/* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
u32 unnumbered_sw_if_index;
/* VNET_SW_INTERFACE_TYPE_HARDWARE. */
u32 hw_if_index;
/* MTU for network layer (not including L2 headers) */
u32 mtu[VNET_N_MTU];
/* VNET_SW_INTERFACE_TYPE_SUB. */
vnet_sub_interface_t sub;
/* VNET_SW_INTERFACE_TYPE_P2P. */
vnet_p2p_sub_interface_t p2p;
vnet_flood_class_t flood_class;
} vnet_sw_interface_t;
typedef enum
{
/* Simple counters. */
VNET_INTERFACE_COUNTER_DROP = 0,
VNET_INTERFACE_COUNTER_PUNT = 1,
VNET_INTERFACE_COUNTER_IP4 = 2,
VNET_INTERFACE_COUNTER_IP6 = 3,
VNET_INTERFACE_COUNTER_RX_NO_BUF = 4,
VNET_INTERFACE_COUNTER_RX_MISS = 5,
VNET_INTERFACE_COUNTER_RX_ERROR = 6,
VNET_INTERFACE_COUNTER_TX_ERROR = 7,
VNET_INTERFACE_COUNTER_MPLS = 8,
VNET_N_SIMPLE_INTERFACE_COUNTER = 9,
/* Combined counters. */
VNET_INTERFACE_COUNTER_RX = 0,
VNET_INTERFACE_COUNTER_RX_UNICAST = 1,
VNET_INTERFACE_COUNTER_RX_MULTICAST = 2,
VNET_INTERFACE_COUNTER_RX_BROADCAST = 3,
VNET_INTERFACE_COUNTER_TX = 4,
VNET_INTERFACE_COUNTER_TX_UNICAST = 5,
VNET_INTERFACE_COUNTER_TX_MULTICAST = 6,
VNET_INTERFACE_COUNTER_TX_BROADCAST = 7,
VNET_N_COMBINED_INTERFACE_COUNTER = 8,
} vnet_interface_counter_type_t;
#define foreach_rx_combined_interface_counter(_x) \
for (_x = VNET_INTERFACE_COUNTER_RX; \
_x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
_x++)
#define foreach_tx_combined_interface_counter(_x) \
for (_x = VNET_INTERFACE_COUNTER_TX; \
_x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
_x++)
#define foreach_simple_interface_counter_name \
_(DROP, drops, if) \
_(PUNT, punt, if) \
_(IP4, ip4, if) \
_(IP6, ip6, if) \
_(RX_NO_BUF, rx-no-buf, if) \
_(RX_MISS, rx-miss, if) \
_(RX_ERROR, rx-error, if) \
_(TX_ERROR, tx-error, if) \
_(MPLS, mpls, if)
#define foreach_combined_interface_counter_name \
_(RX, rx, if) \
_(RX_UNICAST, rx-unicast, if) \
_(RX_MULTICAST, rx-multicast, if) \
_(RX_BROADCAST, rx-broadcast, if) \
_(TX, tx, if) \
_(TX_UNICAST, tx-unicast, if) \
_(TX_MULTICAST, tx-multicast, if) \
_(TX_BROADCAST, tx-broadcast, if)
typedef enum
{
COLLECT_SIMPLE_STATS = 0,
COLLECT_DETAILED_STATS = 1,
} vnet_interface_stats_collection_mode_e;
extern int collect_detailed_interface_stats_flag;
static inline int
collect_detailed_interface_stats (void)
{
return collect_detailed_interface_stats_flag;
}
void collect_detailed_interface_stats_flag_set (void);
void collect_detailed_interface_stats_flag_clear (void);
typedef struct
{
u32 output_node_index;
u32 tx_node_index;
} vnet_hw_interface_nodes_t;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
u32 *split_buffers;
} vnet_interface_per_thread_data_t;
typedef u8 *(*vnet_buffer_opquae_formatter_t) (const vlib_buffer_t * b,
u8 * s);
typedef struct
{
/* Hardware interfaces. */
vnet_hw_interface_t *hw_interfaces;
/* Hardware interface RX queues */
vnet_hw_if_rx_queue_t *hw_if_rx_queues;
uword *rxq_index_by_hw_if_index_and_queue_id;
/* Hardware interface TX queues */
vnet_hw_if_tx_queue_t *hw_if_tx_queues;
uword *txq_index_by_hw_if_index_and_queue_id;
/* Hash table mapping HW interface name to index. */
uword *hw_interface_by_name;
/* Vectors if hardware interface classes and device classes. */
vnet_hw_interface_class_t *hw_interface_classes;
vnet_device_class_t *device_classes;
/* Hash table mapping name to hw interface/device class. */
uword *hw_interface_class_by_name;
uword *device_class_by_name;
/* Software interfaces. */
vnet_sw_interface_t *sw_interfaces;
/* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
uword *sw_if_index_by_sup_and_sub;
/* Software interface counters both simple and combined
packet and byte counters. */
clib_spinlock_t sw_if_counter_lock;
vlib_simple_counter_main_t *sw_if_counters;
vlib_combined_counter_main_t *combined_sw_if_counters;
vnet_hw_interface_nodes_t *deleted_hw_interface_nodes;
/*
* pcap drop tracing
* Only the drop filter hash lives here. See ../src/vlib/main.h for
* the rest of the variables.
*/
uword *pcap_drop_filter_hash;
/* Buffer metadata format helper functions */
vnet_buffer_opquae_formatter_t *buffer_opaque_format_helpers;
vnet_buffer_opquae_formatter_t *buffer_opaque2_format_helpers;
/* per-thread data */
vnet_interface_per_thread_data_t *per_thread_data;
/* feature_arc_index */
u8 output_feature_arc_index;
/* fast lookup tables */
u32 *hw_if_index_by_sw_if_index;
u16 *if_out_arc_end_next_index_by_sw_if_index;
} vnet_interface_main_t;
static inline void
vnet_interface_counter_lock (vnet_interface_main_t * im)
{
if (im->sw_if_counter_lock)
clib_spinlock_lock (&im->sw_if_counter_lock);
}
static inline void
vnet_interface_counter_unlock (vnet_interface_main_t * im)
{
if (im->sw_if_counter_lock)
clib_spinlock_unlock (&im->sw_if_counter_lock);
}
void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
void vnet_register_format_buffer_opaque_helper
(vnet_buffer_opquae_formatter_t fn);
void vnet_register_format_buffer_opaque2_helper
(vnet_buffer_opquae_formatter_t fn);
typedef struct
{
u8 *filename;
int enable;
int status;
u32 packets_to_capture;
u32 max_bytes_per_pkt;
u8 rx_enable;
u8 tx_enable;
u8 drop_enable;
u8 preallocate_data;
u8 free_data;
u32 sw_if_index;
int filter;
vlib_error_t drop_err;
} vnet_pcap_dispatch_trace_args_t;
int vnet_pcap_dispatch_trace_configure (vnet_pcap_dispatch_trace_args_t *);
extern vlib_node_registration_t vnet_interface_output_node;
extern vlib_node_registration_t vnet_interface_output_arc_end_node;
#endif /* included_vnet_interface_h */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/