F: examples/skeleton/
F: doc/guides/sample_app_ug/skeleton.rst
-TEP termination example
-M: Xiaoyun Li <xiaoyun.li@intel.com>
-F: examples/tep_termination/
-
VMDq examples
F: examples/vmdq/
F: doc/guides/sample_app_ug/vmdq_forwarding.rst
* Removed Python 2 support since it was EOL'd in January 2020.
+* Removed TEP termination sample application.
+
+
API Changes
-----------
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eventdev_pipeline
dist_app
vm_power_management
- tep_termination
ptpclient
performance_thread
fips_validation
+++ /dev/null
-.. SPDX-License-Identifier: BSD-3-Clause
- Copyright(c) 2010-2015 Intel Corporation.
-
-TEP termination Sample Application
-==================================
-
-The TEP (Tunnel End point) termination sample application simulates a VXLAN
-Tunnel Endpoint (VTEP) termination in DPDK, which is used to demonstrate
-the offload and filtering capabilities of Intel® XL710 10/40 Gigabit Ethernet
-Controller for VXLAN packet.
-This sample uses the basic virtio devices management mechanism from vhost example,
-and also uses the us-vHost interface and tunnel filtering mechanism to direct
-a specified traffic to a specific VM.
-In addition, this sample is also designed to show how tunneling protocols can be handled.
-
-Background
-----------
-
-With virtualization, overlay networks allow a network structure to be built
-or imposed across physical nodes which is abstracted away from the actual
-underlining physical network connections.
-This allows network isolation, QOS, etc to be provided on a per client basis.
-
-.. _figure_overlay_networking:
-
-.. figure:: img/overlay_networking.*
-
- Overlay Networking.
-
-In a typical setup, the network overlay tunnel is terminated at the Virtual/Tunnel End Point (VEP/TEP).
-The TEP is normally located at the physical host level ideally in the software switch.
-Due to processing constraints and the inevitable bottleneck that the switch
-becomes, the ability to offload overlay support features becomes an important requirement.
-Intel® XL710 10/40 Gigabit Ethernet network card provides hardware filtering
-and offload capabilities to support overlay networks implementations such as MAC in UDP and MAC in GRE.
-
-Sample Code Overview
---------------------
-
-The DPDK TEP termination sample code demonstrates the offload and filtering
-capabilities of Intel® XL710 10/40 Gigabit Ethernet Controller for VXLAN packet.
-
-The sample code is based on vhost library.
-The vhost library is developed for user space Ethernet switch to easily integrate with vhost functionality.
-
-The sample will support the followings:
-
-* Tunneling packet recognition.
-
-* The port of UDP tunneling is configurable
-
-* Directing incoming traffic to the correct queue based on the tunnel filter type.
- The supported filter type are listed below.
-
- * Inner MAC and VLAN and tenant ID
-
- * Inner MAC and tenant ID, and Outer MAC
-
- * Inner MAC and tenant ID
-
- The tenant ID will be assigned from a static internal table based on the us-vhost device ID.
- Each device will receive a unique device ID.
- The inner MAC will be learned by the first packet transmitted from a device.
-
-* Decapsulation of RX VXLAN traffic. This is a software only operation.
-
-* Encapsulation of TX VXLAN traffic. This is a software only operation.
-
-* Inner IP and inner L4 checksum offload.
-
-* TSO offload support for tunneling packet.
-
-The following figure shows the framework of the TEP termination sample
-application based on DPDK vhost lib.
-
-.. _figure_tep_termination_arch:
-
-.. figure:: img/tep_termination_arch.*
-
- TEP termination Framework Overview
-
-Supported Distributions
------------------------
-
-The example in this section have been validated with the following distributions:
-
-* Fedora* 18
-
-* Fedora* 19
-
-* Fedora* 20
-
-
-Running the Sample Code
------------------------
-
-Run the tep_termination sample code:
-
-.. code-block:: console
-
- user@target:~$ ./<build_dir>/examples/dpdk-tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
- -p 0x1 --dev-basename tep-termination --nb-devices 4
- --udp-port 4789 --filter-type 1
-
-.. note::
-
- Please note the huge-dir parameter instructs the DPDK to allocate its memory from the 2 MB page hugetlbfs.
-
-Parameters
-~~~~~~~~~~
-
-**The same parameters with the vhost sample.**
-
-Refer to :ref:`vhost_app_parameters` for detailed explanation.
-
-**Number of Devices.**
-
-The nb-devices option specifies the number of virtIO device.
-The default value is 2.
-
-.. code-block:: console
-
- user@target:~$ ./<build_dir>/examples/dpdk-tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
- --nb-devices 2
-
-**Tunneling UDP port.**
-
-The udp-port option is used to specify the destination UDP number for UDP tunneling packet.
-The default value is 4789.
-
-.. code-block:: console
-
- user@target:~$ ./<build_dir>/examples/dpdk-tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
- --nb-devices 2 --udp-port 4789
-
-**Filter Type.**
-
-The filter-type option is used to specify which filter type is used to
-filter UDP tunneling packet to a specified queue.
-The default value is 1, which means the filter type of inner MAC and tenant ID is used.
-
-.. code-block:: console
-
- user@target:~$ ./<build_dir>/examples/dpdk-tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
- --nb-devices 2 --udp-port 4789 --filter-type 1
-
-**TX Checksum.**
-
-The tx-checksum option is used to enable or disable the inner header checksum offload.
-The default value is 0, which means the checksum offload is disabled.
-
-.. code-block:: console
-
- user@target:~$ ./<build_dir>/examples/dpdk-tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
- --nb-devices 2 --tx-checksum
-
-**TCP segment size.**
-
-The tso-segsz option specifies the TCP segment size for TSO offload for tunneling packet.
-The default value is 0, which means TSO offload is disabled.
-
-.. code-block:: console
-
- user@target:~$ ./<build_dir>/examples/dpdk-tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
- --tx-checksum --tso-segsz 800
-
-**Decapsulation option.**
-
-The decap option is used to enable or disable decapsulation operation for received VXLAN packet.
-The default value is 1.
-
-.. code-block:: console
-
- user@target:~$ ./<build_dir>/examples/dpdk-tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
- --nb-devices 4 --udp-port 4789 --decap 1
-
-**Encapsulation option.**
-
-The encap option is used to enable or disable encapsulation operation for transmitted packet.
-The default value is 1.
-
-.. code-block:: console
-
- user@target:~$ ./<build_dir>/examples/dpdk-tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
- --nb-devices 4 --udp-port 4789 --encap 1
-
-
-Running the Virtual Machine (QEMU)
-----------------------------------
-
-Refer to :ref:`vhost_app_run_vm`.
-
-Running DPDK in the Virtual Machine
------------------------------------
-
-Refer to :ref:`vhost_app_run_dpdk_inside_guest`.
-
-Passing Traffic to the Virtual Machine Device
----------------------------------------------
-
-For a virtio-net device to receive traffic, the traffic's Layer 2 header must include
-both the virtio-net device's MAC address.
-The DPDK sample code behaves in a similar manner to a learning switch in that
-it learns the MAC address of the virtio-net devices from the first transmitted packet.
-On learning the MAC address,
-the DPDK vhost sample code prints a message with the MAC address and tenant ID virtio-net device.
-For example:
-
-.. code-block:: console
-
- DATA: (0) MAC_ADDRESS cc:bb:bb:bb:bb:bb and VNI 1000 registered
-
-The above message indicates that device 0 has been registered with MAC address cc:bb:bb:bb:bb:bb and VNI 1000.
-Any packets received on the NIC with these values are placed on the devices receive queue.
0 0 0 i- ETH VLAN VLAN=>VF QUEUE
1 0 0 i- ETH VLAN VLAN=>PF QUEUE
+Sample VXLAN flow rules
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Before creating VXLAN rule(s), the UDP port should be added for VXLAN packet
+filter on a port::
+
+ testpmd> rx_vxlan_port add 4789 0
+
+Create VXLAN rules on port 0 to steer traffic to PF queues.
+
+::
+
+ testpmd> flow create 0 ingress pattern eth / ipv4 / udp / vxlan /
+ eth dst is 00:11:22:33:44:55 / end actions pf / queue index 1 / end
+ Flow rule #0 created
+
+ testpmd> flow create 0 ingress pattern eth / ipv4 / udp / vxlan vni is 3 /
+ eth dst is 00:11:22:33:44:55 / end actions pf / queue index 2 / end
+ Flow rule #1 created
+
+ testpmd> flow create 0 ingress pattern eth / ipv4 / udp / vxlan /
+ eth dst is 00:11:22:33:44:55 / vlan tci is 10 / end actions pf /
+ queue index 3 / end
+ Flow rule #2 created
+
+ testpmd> flow create 0 ingress pattern eth / ipv4 / udp / vxlan vni is 5 /
+ eth dst is 00:11:22:33:44:55 / vlan tci is 20 / end actions pf /
+ queue index 4 / end
+ Flow rule #3 created
+
+ testpmd> flow create 0 ingress pattern eth dst is 00:00:00:00:01:00 / ipv4 /
+ udp / vxlan vni is 6 / eth dst is 00:11:22:33:44:55 / end actions pf /
+ queue index 5 / end
+ Flow rule #4 created
+
+ testpmd> flow list 0
+ ID Group Prio Attr Rule
+ 0 0 0 i- ETH IPV4 UDP VXLAN ETH => QUEUE
+ 1 0 0 i- ETH IPV4 UDP VXLAN ETH => QUEUE
+ 2 0 0 i- ETH IPV4 UDP VXLAN ETH VLAN => QUEUE
+ 3 0 0 i- ETH IPV4 UDP VXLAN ETH VLAN => QUEUE
+ 4 0 0 i- ETH IPV4 UDP VXLAN ETH => QUEUE
+
Sample VXLAN encapsulation rule
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
'server_node_efd/node',
'server_node_efd/server',
'service_cores',
- 'skeleton', 'tep_termination',
+ 'skeleton',
'timer', 'vdpa',
'vhost', 'vhost_crypto',
'vhost_blk', 'vm_power_manager',
+++ /dev/null
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2010-2015 Intel Corporation
-
-# binary name
-APP = tep_termination
-
-# all source are stored in SRCS-y
-SRCS-y := main.c vxlan_setup.c vxlan.c
-
-# Build using pkg-config variables if possible
-ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
-$(error "no installation of DPDK found")
-endif
-
-all: shared
-.PHONY: shared static
-shared: build/$(APP)-shared
- ln -sf $(APP)-shared build/$(APP)
-static: build/$(APP)-static
- ln -sf $(APP)-static build/$(APP)
-
-LDFLAGS += -pthread
-
-PKGCONF ?= pkg-config
-
-PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
-CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
-LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
-LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
-
-CFLAGS += -Wno-deprecated-declarations
-
-build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
- $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
-
-build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
- $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
-
-build:
- @mkdir -p $@
-
-.PHONY: clean
-clean:
- rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
- test -d build && rmdir -p build || true
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#include <arpa/inet.h>
-#include <getopt.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/virtio_net.h>
-#include <linux/virtio_ring.h>
-#include <signal.h>
-#include <stdint.h>
-#include <sys/eventfd.h>
-#include <sys/param.h>
-#include <unistd.h>
-
-#include <rte_atomic.h>
-#include <rte_cycles.h>
-#include <rte_ethdev.h>
-#include <rte_log.h>
-#include <rte_string_fns.h>
-#include <rte_malloc.h>
-#include <rte_vhost.h>
-#include <rte_pause.h>
-
-#include "main.h"
-#include "vxlan.h"
-#include "vxlan_setup.h"
-
-/* the maximum number of external ports supported */
-#define MAX_SUP_PORTS 1
-
-/**
- * Calculate the number of buffers needed per port
- */
-#define NUM_MBUFS_PER_PORT ((MAX_QUEUES * RTE_TEST_RX_DESC_DEFAULT) +\
- (nb_switching_cores * MAX_PKT_BURST) +\
- (nb_switching_cores * \
- RTE_TEST_TX_DESC_DEFAULT) +\
- (nb_switching_cores * MBUF_CACHE_SIZE))
-
-#define MBUF_CACHE_SIZE 128
-#define MBUF_DATA_SIZE RTE_MBUF_DEFAULT_BUF_SIZE
-
-#define MAX_PKT_BURST 32 /* Max burst size for RX/TX */
-#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
-
-/* Defines how long we wait between retries on RX */
-#define BURST_RX_WAIT_US 15
-
-#define BURST_RX_RETRIES 4 /* Number of retries on RX. */
-
-#define JUMBO_FRAME_MAX_SIZE 0x2600
-
-/* Config_core_flag status definitions. */
-#define REQUEST_DEV_REMOVAL 1
-#define ACK_DEV_REMOVAL 0
-
-/* Configurable number of RX/TX ring descriptors */
-#define RTE_TEST_RX_DESC_DEFAULT 1024
-#define RTE_TEST_TX_DESC_DEFAULT 512
-
-/* Get first 4 bytes in mbuf headroom. */
-#define MBUF_HEADROOM_UINT32(mbuf) (*(uint32_t *)((uint8_t *)(mbuf) \
- + sizeof(struct rte_mbuf)))
-
-#define INVALID_PORT_ID 0xFFFF
-
-/* Maximum character device basename size. */
-#define MAX_BASENAME_SZ 20
-
-/* Maximum long option length for option parsing. */
-#define MAX_LONG_OPT_SZ 64
-
-/* Used to compare MAC addresses. */
-#define MAC_ADDR_CMP 0xFFFFFFFFFFFFULL
-
-#define CMD_LINE_OPT_NB_DEVICES "nb-devices"
-#define CMD_LINE_OPT_UDP_PORT "udp-port"
-#define CMD_LINE_OPT_TX_CHECKSUM "tx-checksum"
-#define CMD_LINE_OPT_TSO_SEGSZ "tso-segsz"
-#define CMD_LINE_OPT_FILTER_TYPE "filter-type"
-#define CMD_LINE_OPT_ENCAP "encap"
-#define CMD_LINE_OPT_DECAP "decap"
-#define CMD_LINE_OPT_RX_RETRY "rx-retry"
-#define CMD_LINE_OPT_RX_RETRY_DELAY "rx-retry-delay"
-#define CMD_LINE_OPT_RX_RETRY_NUM "rx-retry-num"
-#define CMD_LINE_OPT_STATS "stats"
-#define CMD_LINE_OPT_DEV_BASENAME "dev-basename"
-
-/* mask of enabled ports */
-static uint32_t enabled_port_mask;
-
-/*Number of switching cores enabled*/
-static uint32_t nb_switching_cores;
-
-/* number of devices/queues to support*/
-uint16_t nb_devices = 2;
-
-/* max ring descriptor, ixgbe, i40e, e1000 all are 4096. */
-#define MAX_RING_DESC 4096
-
-struct vpool {
- struct rte_mempool *pool;
- struct rte_ring *ring;
- uint32_t buf_size;
-} vpool_array[MAX_QUEUES+MAX_QUEUES];
-
-/* UDP tunneling port */
-uint16_t udp_port = 4789;
-
-/* enable/disable inner TX checksum */
-uint8_t tx_checksum = 0;
-
-/* TCP segment size */
-uint16_t tso_segsz = 0;
-
-/* enable/disable decapsulation */
-uint8_t rx_decap = 1;
-
-/* enable/disable encapsulation */
-uint8_t tx_encap = 1;
-
-/* RX filter type for tunneling packet */
-uint8_t filter_idx = 1;
-
-/* overlay packet operation */
-struct ol_switch_ops overlay_options = {
- .port_configure = vxlan_port_init,
- .tunnel_setup = vxlan_link,
- .tunnel_destroy = vxlan_unlink,
- .tx_handle = vxlan_tx_pkts,
- .rx_handle = vxlan_rx_pkts,
- .param_handle = NULL,
-};
-
-/* Enable stats. */
-uint32_t enable_stats = 0;
-/* Enable retries on RX. */
-static uint32_t enable_retry = 1;
-/* Specify timeout (in useconds) between retries on RX. */
-static uint32_t burst_rx_delay_time = BURST_RX_WAIT_US;
-/* Specify the number of retries on RX. */
-static uint32_t burst_rx_retry_num = BURST_RX_RETRIES;
-
-/* Character device basename. Can be set by user. */
-static char dev_basename[MAX_BASENAME_SZ] = "vhost-net";
-
-static unsigned lcore_ids[RTE_MAX_LCORE];
-uint16_t ports[RTE_MAX_ETHPORTS];
-
-static unsigned nb_ports; /**< The number of ports specified in command line */
-
-/* ethernet addresses of ports */
-struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
-
-/* heads for the main used and free linked lists for the data path. */
-static struct virtio_net_data_ll *ll_root_used;
-static struct virtio_net_data_ll *ll_root_free;
-
-/**
- * Array of data core structures containing information on
- * individual core linked lists.
- */
-static struct lcore_info lcore_info[RTE_MAX_LCORE];
-
-/* Used for queueing bursts of TX packets. */
-struct mbuf_table {
- unsigned len;
- unsigned txq_id;
- struct rte_mbuf *m_table[MAX_PKT_BURST];
-};
-
-/* TX queue for each data core. */
-struct mbuf_table lcore_tx_queue[RTE_MAX_LCORE];
-
-struct device_statistics dev_statistics[MAX_DEVICES];
-
-/**
- * Set character device basename.
- */
-static int
-us_vhost_parse_basename(const char *q_arg)
-{
- /* parse number string */
- if (strlen(q_arg) >= MAX_BASENAME_SZ)
- return -1;
- else
- strlcpy((char *)&dev_basename, q_arg, MAX_BASENAME_SZ);
-
- return 0;
-}
-
-/**
- * Parse the portmask provided at run time.
- */
-static int
-parse_portmask(const char *portmask)
-{
- char *end = NULL;
- unsigned long pm;
-
- /* parse hexadecimal string */
- pm = strtoul(portmask, &end, 16);
- if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
- return 0;
-
- return pm;
-}
-
-/**
- * Parse num options at run time.
- */
-static int
-parse_num_opt(const char *q_arg, uint32_t max_valid_value)
-{
- char *end = NULL;
- unsigned long num;
-
- /* parse unsigned int string */
- num = strtoul(q_arg, &end, 10);
- if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
- return -1;
-
- if (num > max_valid_value)
- return -1;
-
- return num;
-}
-
-/**
- * Display usage
- */
-static void
-tep_termination_usage(const char *prgname)
-{
- RTE_LOG(INFO, VHOST_CONFIG, "%s [EAL options] -- -p PORTMASK\n"
- " --udp-port: UDP destination port for VXLAN packet\n"
- " --nb-devices[1-64]: The number of virtIO device\n"
- " --tx-checksum [0|1]: inner Tx checksum offload\n"
- " --tso-segsz [0-N]: TCP segment size\n"
- " --decap [0|1]: tunneling packet decapsulation\n"
- " --encap [0|1]: tunneling packet encapsulation\n"
- " --filter-type[1-3]: filter type for tunneling packet\n"
- " 1: Inner MAC and tenent ID\n"
- " 2: Inner MAC and VLAN, and tenent ID\n"
- " 3: Outer MAC, Inner MAC and tenent ID\n"
- " -p PORTMASK: Set mask for ports to be used by application\n"
- " --rx-retry [0|1]: disable/enable(default) retries on rx."
- " Enable retry if destintation queue is full\n"
- " --rx-retry-delay [0-N]: timeout(in usecond) between retries on RX."
- " This makes effect only if retries on rx enabled\n"
- " --rx-retry-num [0-N]: the number of retries on rx."
- " This makes effect only if retries on rx enabled\n"
- " --stats [0-N]: 0: Disable stats, N: Time in seconds to print stats\n"
- " --dev-basename: The basename to be used for the character device.\n",
- prgname);
-}
-
-/**
- * Parse the arguments given in the command line of the application.
- */
-static int
-tep_termination_parse_args(int argc, char **argv)
-{
- int opt, ret;
- int option_index;
- unsigned i;
- const char *prgname = argv[0];
- static struct option long_option[] = {
- {CMD_LINE_OPT_NB_DEVICES, required_argument, NULL, 0},
- {CMD_LINE_OPT_UDP_PORT, required_argument, NULL, 0},
- {CMD_LINE_OPT_TX_CHECKSUM, required_argument, NULL, 0},
- {CMD_LINE_OPT_TSO_SEGSZ, required_argument, NULL, 0},
- {CMD_LINE_OPT_DECAP, required_argument, NULL, 0},
- {CMD_LINE_OPT_ENCAP, required_argument, NULL, 0},
- {CMD_LINE_OPT_FILTER_TYPE, required_argument, NULL, 0},
- {CMD_LINE_OPT_RX_RETRY, required_argument, NULL, 0},
- {CMD_LINE_OPT_RX_RETRY_DELAY, required_argument, NULL, 0},
- {CMD_LINE_OPT_RX_RETRY_NUM, required_argument, NULL, 0},
- {CMD_LINE_OPT_STATS, required_argument, NULL, 0},
- {CMD_LINE_OPT_DEV_BASENAME, required_argument, NULL, 0},
- {NULL, 0, 0, 0},
- };
-
- /* Parse command line */
- while ((opt = getopt_long(argc, argv, "p:",
- long_option, &option_index)) != EOF) {
- switch (opt) {
- /* Portmask */
- case 'p':
- enabled_port_mask = parse_portmask(optarg);
- if (enabled_port_mask == 0) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid portmask\n");
- tep_termination_usage(prgname);
- return -1;
- }
- break;
- case 0:
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_NB_DEVICES,
- sizeof(CMD_LINE_OPT_NB_DEVICES))) {
- ret = parse_num_opt(optarg, MAX_DEVICES);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for nb-devices [0-%d]\n",
- MAX_DEVICES);
- tep_termination_usage(prgname);
- return -1;
- } else
- nb_devices = ret;
- }
-
- /* Enable/disable retries on RX. */
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_RX_RETRY,
- sizeof(CMD_LINE_OPT_RX_RETRY))) {
- ret = parse_num_opt(optarg, 1);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for rx-retry [0|1]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- enable_retry = ret;
- }
-
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_TSO_SEGSZ,
- sizeof(CMD_LINE_OPT_TSO_SEGSZ))) {
- ret = parse_num_opt(optarg, INT16_MAX);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for TCP segment size [0-N]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- tso_segsz = ret;
- }
-
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_UDP_PORT,
- sizeof(CMD_LINE_OPT_UDP_PORT))) {
- ret = parse_num_opt(optarg, INT16_MAX);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for UDP port [0-N]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- udp_port = ret;
- }
-
- /* Specify the retries delay time (in useconds) on RX.*/
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_RX_RETRY_DELAY,
- sizeof(CMD_LINE_OPT_RX_RETRY_DELAY))) {
- ret = parse_num_opt(optarg, INT32_MAX);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for rx-retry-delay [0-N]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- burst_rx_delay_time = ret;
- }
-
- /* Specify the retries number on RX. */
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_RX_RETRY_NUM,
- sizeof(CMD_LINE_OPT_RX_RETRY_NUM))) {
- ret = parse_num_opt(optarg, INT32_MAX);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for rx-retry-num [0-N]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- burst_rx_retry_num = ret;
- }
-
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_TX_CHECKSUM,
- sizeof(CMD_LINE_OPT_TX_CHECKSUM))) {
- ret = parse_num_opt(optarg, 1);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for tx-checksum [0|1]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- tx_checksum = ret;
- }
-
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_FILTER_TYPE,
- sizeof(CMD_LINE_OPT_FILTER_TYPE))) {
- ret = parse_num_opt(optarg, 3);
- if ((ret == -1) || (ret == 0)) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for filter type [1-3]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- filter_idx = ret - 1;
- }
-
- /* Enable/disable encapsulation on RX. */
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_DECAP,
- sizeof(CMD_LINE_OPT_DECAP))) {
- ret = parse_num_opt(optarg, 1);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for decap [0|1]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- rx_decap = ret;
- }
-
- /* Enable/disable encapsulation on TX. */
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_ENCAP,
- sizeof(CMD_LINE_OPT_ENCAP))) {
- ret = parse_num_opt(optarg, 1);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for encap [0|1]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- tx_encap = ret;
- }
-
- /* Enable/disable stats. */
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_STATS,
- sizeof(CMD_LINE_OPT_STATS))) {
- ret = parse_num_opt(optarg, INT32_MAX);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for stats [0..N]\n");
- tep_termination_usage(prgname);
- return -1;
- } else
- enable_stats = ret;
- }
-
- /* Set character device basename. */
- if (!strncmp(long_option[option_index].name,
- CMD_LINE_OPT_DEV_BASENAME,
- sizeof(CMD_LINE_OPT_DEV_BASENAME))) {
- if (us_vhost_parse_basename(optarg) == -1) {
- RTE_LOG(INFO, VHOST_CONFIG,
- "Invalid argument for character "
- "device basename (Max %d characters)\n",
- MAX_BASENAME_SZ);
- tep_termination_usage(prgname);
- return -1;
- }
- }
-
- break;
-
- /* Invalid option - print options. */
- default:
- tep_termination_usage(prgname);
- return -1;
- }
- }
-
- for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
- if (enabled_port_mask & (1 << i))
- ports[nb_ports++] = (uint8_t)i;
- }
-
- if ((nb_ports == 0) || (nb_ports > MAX_SUP_PORTS)) {
- RTE_LOG(INFO, VHOST_PORT, "Current enabled port number is %u,"
- "but only %u port can be enabled\n", nb_ports,
- MAX_SUP_PORTS);
- return -1;
- }
-
- return 0;
-}
-
-/**
- * Update the global var NB_PORTS and array PORTS
- * according to system ports number and return valid ports number
- */
-static unsigned
-check_ports_num(unsigned max_nb_ports)
-{
- unsigned valid_nb_ports = nb_ports;
- unsigned portid;
-
- if (nb_ports > max_nb_ports) {
- RTE_LOG(INFO, VHOST_PORT, "\nSpecified port number(%u) "
- " exceeds total system port number(%u)\n",
- nb_ports, max_nb_ports);
- nb_ports = max_nb_ports;
- }
-
- for (portid = 0; portid < nb_ports; portid++) {
- if (!rte_eth_dev_is_valid_port(ports[portid])) {
- RTE_LOG(INFO, VHOST_PORT,
- "\nSpecified port ID(%u) is not valid\n",
- ports[portid]);
- ports[portid] = INVALID_PORT_ID;
- valid_nb_ports--;
- }
- }
- return valid_nb_ports;
-}
-
-/**
- * This function routes the TX packet to the correct interface. This may be a local device
- * or the physical port.
- */
-static __rte_always_inline void
-virtio_tx_route(struct vhost_dev *vdev, struct rte_mbuf *m)
-{
- struct mbuf_table *tx_q;
- struct rte_mbuf **m_table;
- unsigned len, ret = 0;
- const uint16_t lcore_id = rte_lcore_id();
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%d) TX: MAC address is external\n",
- vdev->vid);
-
- /* Add packet to the port tx queue */
- tx_q = &lcore_tx_queue[lcore_id];
- len = tx_q->len;
-
- tx_q->m_table[len] = m;
- len++;
- if (enable_stats) {
- dev_statistics[vdev->vid].tx_total++;
- dev_statistics[vdev->vid].tx++;
- }
-
- if (unlikely(len == MAX_PKT_BURST)) {
- m_table = (struct rte_mbuf **)tx_q->m_table;
- ret = overlay_options.tx_handle(ports[0],
- (uint16_t)tx_q->txq_id, m_table,
- (uint16_t)tx_q->len);
-
- /* Free any buffers not handled by TX and update
- * the port stats.
- */
- if (unlikely(ret < len)) {
- do {
- rte_pktmbuf_free(m_table[ret]);
- } while (++ret < len);
- }
-
- len = 0;
- }
-
- tx_q->len = len;
- return;
-}
-
-/**
- * This function is called by each data core. It handles all
- * RX/TX registered with the core. For TX the specific lcore
- * linked list is used. For RX, MAC addresses are compared
- * with all devices in the main linked list.
- */
-static int
-switch_worker(__rte_unused void *arg)
-{
- struct rte_mempool *mbuf_pool = arg;
- struct vhost_dev *vdev = NULL;
- struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
- struct virtio_net_data_ll *dev_ll;
- struct mbuf_table *tx_q;
- volatile struct lcore_ll_info *lcore_ll;
- const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
- / US_PER_S * BURST_TX_DRAIN_US;
- uint64_t prev_tsc, diff_tsc, cur_tsc, ret_count = 0;
- unsigned i, ret = 0;
- const uint16_t lcore_id = rte_lcore_id();
- const uint16_t num_cores = (uint16_t)rte_lcore_count();
- uint16_t rx_count = 0;
- uint16_t tx_count;
- uint32_t retry = 0;
-
- RTE_LOG(INFO, VHOST_DATA, "Procesing on Core %u started\n", lcore_id);
- lcore_ll = lcore_info[lcore_id].lcore_ll;
- prev_tsc = 0;
-
- tx_q = &lcore_tx_queue[lcore_id];
- for (i = 0; i < num_cores; i++) {
- if (lcore_ids[i] == lcore_id) {
- tx_q->txq_id = i;
- break;
- }
- }
-
- while (1) {
- cur_tsc = rte_rdtsc();
- /*
- * TX burst queue drain
- */
- diff_tsc = cur_tsc - prev_tsc;
- if (unlikely(diff_tsc > drain_tsc)) {
-
- if (tx_q->len) {
- RTE_LOG_DP(DEBUG, VHOST_DATA, "TX queue drained after "
- "timeout with burst size %u\n",
- tx_q->len);
- ret = overlay_options.tx_handle(ports[0],
- (uint16_t)tx_q->txq_id,
- (struct rte_mbuf **)tx_q->m_table,
- (uint16_t)tx_q->len);
- if (unlikely(ret < tx_q->len)) {
- do {
- rte_pktmbuf_free(tx_q->m_table[ret]);
- } while (++ret < tx_q->len);
- }
-
- tx_q->len = 0;
- }
-
- prev_tsc = cur_tsc;
-
- }
-
- rte_prefetch0(lcore_ll->ll_root_used);
-
- /**
- * Inform the configuration core that we have exited
- * the linked list and that no devices are
- * in use if requested.
- */
- if (lcore_ll->dev_removal_flag == REQUEST_DEV_REMOVAL)
- lcore_ll->dev_removal_flag = ACK_DEV_REMOVAL;
-
- /*
- * Process devices
- */
- dev_ll = lcore_ll->ll_root_used;
-
- while (dev_ll != NULL) {
- vdev = dev_ll->vdev;
-
- if (unlikely(vdev->remove)) {
- dev_ll = dev_ll->next;
- overlay_options.tunnel_destroy(vdev);
- vdev->ready = DEVICE_SAFE_REMOVE;
- continue;
- }
- if (likely(vdev->ready == DEVICE_RX)) {
- /* Handle guest RX */
- rx_count = rte_eth_rx_burst(ports[0],
- vdev->rx_q, pkts_burst, MAX_PKT_BURST);
-
- if (rx_count) {
- /*
- * Retry is enabled and the queue is
- * full then we wait and retry to
- * avoid packet loss. Here MAX_PKT_BURST
- * must be less than virtio queue size
- */
- if (enable_retry && unlikely(rx_count >
- rte_vhost_avail_entries(vdev->vid, VIRTIO_RXQ))) {
- for (retry = 0; retry < burst_rx_retry_num;
- retry++) {
- rte_delay_us(burst_rx_delay_time);
- if (rx_count <= rte_vhost_avail_entries(vdev->vid, VIRTIO_RXQ))
- break;
- }
- }
-
- ret_count = overlay_options.rx_handle(vdev->vid, pkts_burst, rx_count);
- if (enable_stats) {
- rte_atomic64_add(
- &dev_statistics[vdev->vid].rx_total_atomic,
- rx_count);
- rte_atomic64_add(
- &dev_statistics[vdev->vid].rx_atomic, ret_count);
- }
- while (likely(rx_count)) {
- rx_count--;
- rte_pktmbuf_free(pkts_burst[rx_count]);
- }
-
- }
- }
-
- if (likely(!vdev->remove)) {
- /* Handle guest TX*/
- tx_count = rte_vhost_dequeue_burst(vdev->vid,
- VIRTIO_TXQ, mbuf_pool,
- pkts_burst, MAX_PKT_BURST);
- /* If this is the first received packet we need to learn the MAC */
- if (unlikely(vdev->ready == DEVICE_MAC_LEARNING) && tx_count) {
- if (vdev->remove ||
- (overlay_options.tunnel_setup(vdev, pkts_burst[0]) == -1)) {
- while (tx_count)
- rte_pktmbuf_free(pkts_burst[--tx_count]);
- }
- }
- while (tx_count)
- virtio_tx_route(vdev, pkts_burst[--tx_count]);
- }
-
- /* move to the next device in the list */
- dev_ll = dev_ll->next;
- }
- }
-
- return 0;
-}
-
-/**
- * Add an entry to a used linked list. A free entry must first be found
- * in the free linked list using get_data_ll_free_entry();
- */
-static void
-add_data_ll_entry(struct virtio_net_data_ll **ll_root_addr,
- struct virtio_net_data_ll *ll_dev)
-{
- struct virtio_net_data_ll *ll = *ll_root_addr;
-
- /* Set next as NULL and use a compiler barrier to avoid reordering. */
- ll_dev->next = NULL;
- rte_compiler_barrier();
-
- /* If ll == NULL then this is the first device. */
- if (ll) {
- /* Increment to the tail of the linked list. */
- while (ll->next != NULL)
- ll = ll->next;
-
- ll->next = ll_dev;
- } else {
- *ll_root_addr = ll_dev;
- }
-}
-
-/**
- * Remove an entry from a used linked list. The entry must then be added to
- * the free linked list using put_data_ll_free_entry().
- */
-static void
-rm_data_ll_entry(struct virtio_net_data_ll **ll_root_addr,
- struct virtio_net_data_ll *ll_dev,
- struct virtio_net_data_ll *ll_dev_last)
-{
- struct virtio_net_data_ll *ll = *ll_root_addr;
-
- if (unlikely((ll == NULL) || (ll_dev == NULL)))
- return;
-
- if (ll_dev == ll)
- *ll_root_addr = ll_dev->next;
- else
- if (likely(ll_dev_last != NULL))
- ll_dev_last->next = ll_dev->next;
- else
- RTE_LOG(ERR, VHOST_CONFIG,
- "Remove entry form ll failed.\n");
-}
-
-/**
- * Find and return an entry from the free linked list.
- */
-static struct virtio_net_data_ll *
-get_data_ll_free_entry(struct virtio_net_data_ll **ll_root_addr)
-{
- struct virtio_net_data_ll *ll_free = *ll_root_addr;
- struct virtio_net_data_ll *ll_dev;
-
- if (ll_free == NULL)
- return NULL;
-
- ll_dev = ll_free;
- *ll_root_addr = ll_free->next;
-
- return ll_dev;
-}
-
-/**
- * Place an entry back on to the free linked list.
- */
-static void
-put_data_ll_free_entry(struct virtio_net_data_ll **ll_root_addr,
- struct virtio_net_data_ll *ll_dev)
-{
- struct virtio_net_data_ll *ll_free = *ll_root_addr;
-
- if (ll_dev == NULL)
- return;
-
- ll_dev->next = ll_free;
- *ll_root_addr = ll_dev;
-}
-
-/**
- * Creates a linked list of a given size.
- */
-static struct virtio_net_data_ll *
-alloc_data_ll(uint32_t size)
-{
- struct virtio_net_data_ll *ll_new;
- uint32_t i;
-
- /* Malloc and then chain the linked list. */
- ll_new = malloc(size * sizeof(struct virtio_net_data_ll));
- if (ll_new == NULL) {
- RTE_LOG(ERR, VHOST_CONFIG,
- "Failed to allocate memory for ll_new.\n");
- return NULL;
- }
-
- for (i = 0; i < size - 1; i++) {
- ll_new[i].vdev = NULL;
- ll_new[i].next = &ll_new[i+1];
- }
- ll_new[i].next = NULL;
-
- return ll_new;
-}
-
-/**
- * Create the main linked list along with each individual cores
- * linked list. A used and a free list are created to manage entries.
- */
-static int
-init_data_ll(void)
-{
- int lcore;
-
- RTE_LCORE_FOREACH_WORKER(lcore) {
- lcore_info[lcore].lcore_ll =
- malloc(sizeof(struct lcore_ll_info));
- if (lcore_info[lcore].lcore_ll == NULL) {
- RTE_LOG(ERR, VHOST_CONFIG,
- "Failed to allocate memory for lcore_ll.\n");
- return -1;
- }
-
- lcore_info[lcore].lcore_ll->device_num = 0;
- lcore_info[lcore].lcore_ll->dev_removal_flag = ACK_DEV_REMOVAL;
- lcore_info[lcore].lcore_ll->ll_root_used = NULL;
- if (nb_devices % nb_switching_cores)
- lcore_info[lcore].lcore_ll->ll_root_free =
- alloc_data_ll((nb_devices / nb_switching_cores)
- + 1);
- else
- lcore_info[lcore].lcore_ll->ll_root_free =
- alloc_data_ll(nb_devices / nb_switching_cores);
- }
-
- /* Allocate devices up to a maximum of MAX_DEVICES. */
- ll_root_free = alloc_data_ll(MIN((nb_devices), MAX_DEVICES));
-
- return 0;
-}
-
-/**
- * Remove a device from the specific data core linked list and
- * from the main linked list. Synchonization occurs through the use
- * of the lcore dev_removal_flag.
- */
-static void
-destroy_device(int vid)
-{
- struct virtio_net_data_ll *ll_lcore_dev_cur;
- struct virtio_net_data_ll *ll_main_dev_cur;
- struct virtio_net_data_ll *ll_lcore_dev_last = NULL;
- struct virtio_net_data_ll *ll_main_dev_last = NULL;
- struct vhost_dev *vdev = NULL;
- int lcore;
-
- ll_main_dev_cur = ll_root_used;
- while (ll_main_dev_cur != NULL) {
- if (ll_main_dev_cur->vdev->vid == vid) {
- vdev = ll_main_dev_cur->vdev;
- break;
- }
- }
- if (!vdev)
- return;
-
- /* set the remove flag. */
- vdev->remove = 1;
- while (vdev->ready != DEVICE_SAFE_REMOVE)
- rte_pause();
-
- /* Search for entry to be removed from lcore ll */
- ll_lcore_dev_cur = lcore_info[vdev->coreid].lcore_ll->ll_root_used;
- while (ll_lcore_dev_cur != NULL) {
- if (ll_lcore_dev_cur->vdev == vdev) {
- break;
- } else {
- ll_lcore_dev_last = ll_lcore_dev_cur;
- ll_lcore_dev_cur = ll_lcore_dev_cur->next;
- }
- }
-
- if (ll_lcore_dev_cur == NULL) {
- RTE_LOG(ERR, VHOST_CONFIG,
- "(%d) Failed to find the dev to be destroy.\n", vid);
- return;
- }
-
- /* Search for entry to be removed from main ll */
- ll_main_dev_cur = ll_root_used;
- ll_main_dev_last = NULL;
- while (ll_main_dev_cur != NULL) {
- if (ll_main_dev_cur->vdev == vdev) {
- break;
- } else {
- ll_main_dev_last = ll_main_dev_cur;
- ll_main_dev_cur = ll_main_dev_cur->next;
- }
- }
-
- /* Remove entries from the lcore and main ll. */
- rm_data_ll_entry(&lcore_info[vdev->coreid].lcore_ll->ll_root_used,
- ll_lcore_dev_cur, ll_lcore_dev_last);
- rm_data_ll_entry(&ll_root_used, ll_main_dev_cur, ll_main_dev_last);
-
- /* Set the dev_removal_flag on each lcore. */
- RTE_LCORE_FOREACH_WORKER(lcore) {
- lcore_info[lcore].lcore_ll->dev_removal_flag =
- REQUEST_DEV_REMOVAL;
- }
-
- /*
- * Once each core has set the dev_removal_flag to
- * ACK_DEV_REMOVAL we can be sure that they can no longer access
- * the device removed from the linked lists and that the devices
- * are no longer in use.
- */
- RTE_LCORE_FOREACH_WORKER(lcore) {
- while (lcore_info[lcore].lcore_ll->dev_removal_flag
- != ACK_DEV_REMOVAL)
- rte_pause();
- }
-
- /* Add the entries back to the lcore and main free ll.*/
- put_data_ll_free_entry(&lcore_info[vdev->coreid].lcore_ll->ll_root_free,
- ll_lcore_dev_cur);
- put_data_ll_free_entry(&ll_root_free, ll_main_dev_cur);
-
- /* Decrement number of device on the lcore. */
- lcore_info[vdev->coreid].lcore_ll->device_num--;
-
- RTE_LOG(INFO, VHOST_DATA, "(%d) Device has been removed "
- "from data core\n", vid);
-
- rte_free(vdev);
-
-}
-
-/**
- * A new device is added to a data core. First the device is added
- * to the main linked list and the allocated to a specific data core.
- */
-static int
-new_device(int vid)
-{
- struct virtio_net_data_ll *ll_dev;
- int lcore, core_add = 0;
- uint32_t device_num_min = nb_devices;
- struct vhost_dev *vdev;
-
- vdev = rte_zmalloc("vhost device", sizeof(*vdev), RTE_CACHE_LINE_SIZE);
- if (vdev == NULL) {
- RTE_LOG(INFO, VHOST_DATA,
- "(%d) Couldn't allocate memory for vhost dev\n", vid);
- return -1;
- }
- vdev->vid = vid;
- /* Add device to main ll */
- ll_dev = get_data_ll_free_entry(&ll_root_free);
- if (ll_dev == NULL) {
- RTE_LOG(INFO, VHOST_DATA, "(%d) No free entry found in"
- " linked list Device limit of %d devices per core"
- " has been reached\n", vid, nb_devices);
- if (vdev->regions_hpa)
- rte_free(vdev->regions_hpa);
- rte_free(vdev);
- return -1;
- }
- ll_dev->vdev = vdev;
- add_data_ll_entry(&ll_root_used, ll_dev);
- vdev->rx_q = vid;
-
- /* reset ready flag */
- vdev->ready = DEVICE_MAC_LEARNING;
- vdev->remove = 0;
-
- /* Find a suitable lcore to add the device. */
- RTE_LCORE_FOREACH_WORKER(lcore) {
- if (lcore_info[lcore].lcore_ll->device_num < device_num_min) {
- device_num_min = lcore_info[lcore].lcore_ll->device_num;
- core_add = lcore;
- }
- }
- /* Add device to lcore ll */
- ll_dev = get_data_ll_free_entry(&lcore_info[core_add].lcore_ll->ll_root_free);
- if (ll_dev == NULL) {
- RTE_LOG(INFO, VHOST_DATA,
- "(%d) Failed to add device to data core\n",
- vid);
- vdev->ready = DEVICE_SAFE_REMOVE;
- destroy_device(vid);
- rte_free(vdev->regions_hpa);
- rte_free(vdev);
- return -1;
- }
- ll_dev->vdev = vdev;
- vdev->coreid = core_add;
-
- add_data_ll_entry(&lcore_info[vdev->coreid].lcore_ll->ll_root_used,
- ll_dev);
-
- /* Initialize device stats */
- memset(&dev_statistics[vid], 0,
- sizeof(struct device_statistics));
-
- /* Disable notifications. */
- rte_vhost_enable_guest_notification(vid, VIRTIO_RXQ, 0);
- rte_vhost_enable_guest_notification(vid, VIRTIO_TXQ, 0);
- lcore_info[vdev->coreid].lcore_ll->device_num++;
-
- RTE_LOG(INFO, VHOST_DATA, "(%d) Device has been added to data core %d\n",
- vid, vdev->coreid);
-
- return 0;
-}
-
-/**
- * These callback allow devices to be added to the data core when configuration
- * has been fully complete.
- */
-static const struct vhost_device_ops virtio_net_device_ops = {
- .new_device = new_device,
- .destroy_device = destroy_device,
-};
-
-/**
- * This is a thread will wake up after a period to print stats if the user has
- * enabled them.
- */
-static void *
-print_stats(__rte_unused void *arg)
-{
- struct virtio_net_data_ll *dev_ll;
- uint64_t tx_dropped, rx_dropped;
- uint64_t tx, tx_total, rx, rx_total, rx_ip_csum, rx_l4_csum;
- int vid;
- const char clr[] = { 27, '[', '2', 'J', '\0' };
- const char top_left[] = { 27, '[', '1', ';', '1', 'H', '\0' };
-
- while (1) {
- sleep(enable_stats);
-
- /* Clear screen and move to top left */
- printf("%s%s", clr, top_left);
-
- printf("\nDevice statistics ================================");
-
- dev_ll = ll_root_used;
- while (dev_ll != NULL) {
- vid = dev_ll->vdev->vid;
- tx_total = dev_statistics[vid].tx_total;
- tx = dev_statistics[vid].tx;
- tx_dropped = tx_total - tx;
-
- rx_total = rte_atomic64_read(
- &dev_statistics[vid].rx_total_atomic);
- rx = rte_atomic64_read(
- &dev_statistics[vid].rx_atomic);
- rx_dropped = rx_total - rx;
- rx_ip_csum = rte_atomic64_read(
- &dev_statistics[vid].rx_bad_ip_csum);
- rx_l4_csum = rte_atomic64_read(
- &dev_statistics[vid].rx_bad_l4_csum);
-
- printf("\nStatistics for device %d ----------"
- "\nTX total: %"PRIu64""
- "\nTX dropped: %"PRIu64""
- "\nTX successful: %"PRIu64""
- "\nRX total: %"PRIu64""
- "\nRX bad IP csum: %"PRIu64""
- "\nRX bad L4 csum: %"PRIu64""
- "\nRX dropped: %"PRIu64""
- "\nRX successful: %"PRIu64"",
- vid,
- tx_total,
- tx_dropped,
- tx,
- rx_total,
- rx_ip_csum,
- rx_l4_csum,
- rx_dropped,
- rx);
-
- dev_ll = dev_ll->next;
- }
- printf("\n================================================\n");
-
- fflush(stdout);
- }
-
- return NULL;
-}
-
-/**
- * Main function, does initialisation and calls the per-lcore functions.
- */
-int
-main(int argc, char *argv[])
-{
- struct rte_mempool *mbuf_pool = NULL;
- unsigned lcore_id, core_id = 0;
- unsigned nb_ports, valid_nb_ports;
- int ret;
- uint16_t portid;
- uint16_t queue_id;
- static pthread_t tid;
-
- /* init EAL */
- ret = rte_eal_init(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
- argc -= ret;
- argv += ret;
-
- /* parse app arguments */
- ret = tep_termination_parse_args(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Invalid argument\n");
-
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++)
- if (rte_lcore_is_enabled(lcore_id))
- lcore_ids[core_id++] = lcore_id;
-
- /* set the number of swithcing cores available */
- nb_switching_cores = rte_lcore_count()-1;
-
- /* Get the number of physical ports. */
- nb_ports = rte_eth_dev_count_avail();
-
- /*
- * Update the global var NB_PORTS and global array PORTS
- * and get value of var VALID_NB_PORTS according to system ports number
- */
- valid_nb_ports = check_ports_num(nb_ports);
-
- if ((valid_nb_ports == 0) || (valid_nb_ports > MAX_SUP_PORTS)) {
- rte_exit(EXIT_FAILURE, "Current enabled port number is %u,"
- "but only %u port can be enabled\n", nb_ports,
- MAX_SUP_PORTS);
- }
- /* Create the mbuf pool. */
- mbuf_pool = rte_pktmbuf_pool_create(
- "MBUF_POOL",
- NUM_MBUFS_PER_PORT * valid_nb_ports,
- MBUF_CACHE_SIZE,
- 0,
- MBUF_DATA_SIZE,
- rte_socket_id());
- if (mbuf_pool == NULL)
- rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
-
- for (queue_id = 0; queue_id < MAX_QUEUES + 1; queue_id++)
- vpool_array[queue_id].pool = mbuf_pool;
-
- /* initialize all ports */
- RTE_ETH_FOREACH_DEV(portid) {
- /* skip ports that are not enabled */
- if ((enabled_port_mask & (1 << portid)) == 0) {
- RTE_LOG(INFO, VHOST_PORT,
- "Skipping disabled port %d\n", portid);
- continue;
- }
- if (overlay_options.port_configure(portid, mbuf_pool) != 0)
- rte_exit(EXIT_FAILURE,
- "Cannot initialize network ports\n");
- }
-
- /* Initialise all linked lists. */
- if (init_data_ll() == -1)
- rte_exit(EXIT_FAILURE, "Failed to initialize linked list\n");
-
- /* Initialize device stats */
- memset(&dev_statistics, 0, sizeof(dev_statistics));
-
- /* Enable stats if the user option is set. */
- if (enable_stats) {
- ret = rte_ctrl_thread_create(&tid, "print-stats", NULL,
- print_stats, NULL);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Cannot create print-stats thread\n");
- }
-
- /* Launch all data cores. */
- RTE_LCORE_FOREACH_WORKER(lcore_id) {
- rte_eal_remote_launch(switch_worker,
- mbuf_pool, lcore_id);
- }
-
- ret = rte_vhost_driver_register((char *)&dev_basename, 0);
- if (ret != 0)
- rte_exit(EXIT_FAILURE, "failed to register vhost driver.\n");
-
- rte_vhost_driver_disable_features(dev_basename,
- 1ULL << VIRTIO_NET_F_MRG_RXBUF);
-
- ret = rte_vhost_driver_callback_register(dev_basename,
- &virtio_net_device_ops);
- if (ret != 0) {
- rte_exit(EXIT_FAILURE,
- "failed to register vhost driver callbacks.\n");
- }
-
- if (rte_vhost_driver_start(dev_basename) < 0) {
- rte_exit(EXIT_FAILURE,
- "failed to start vhost driver.\n");
- }
-
- RTE_LCORE_FOREACH_WORKER(lcore_id)
- rte_eal_wait_lcore(lcore_id);
-
- return 0;
-}
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#ifndef _MAIN_H_
-#define _MAIN_H_
-
-#include <rte_ether.h>
-
-/* Macros for printing using RTE_LOG */
-#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
-#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2
-#define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3
-
-/* State of virtio device. */
-#define DEVICE_MAC_LEARNING 0
-#define DEVICE_RX 1
-#define DEVICE_SAFE_REMOVE 2
-
-#define MAX_QUEUES 512
-
-/* Max burst size for RX/TX */
-#define MAX_PKT_BURST 32
-
-/* Max number of devices. Limited by the application. */
-#define MAX_DEVICES 64
-
-enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
-
-/* Per-device statistics struct */
-struct device_statistics {
- uint64_t tx_total;
- rte_atomic64_t rx_total_atomic;
- uint64_t rx_total;
- uint64_t tx;
- rte_atomic64_t rx_atomic;
- /**< Bad inner IP csum for tunneling pkt */
- rte_atomic64_t rx_bad_ip_csum;
- /**< Bad inner L4 csum for tunneling pkt */
- rte_atomic64_t rx_bad_l4_csum;
-} __rte_cache_aligned;
-
-/**
- * Device linked list structure for data path.
- */
-struct vhost_dev {
- int vid;
- /**< Number of memory regions for gpa to hpa translation. */
- uint32_t nregions_hpa;
- /**< Memory region information for gpa to hpa translation. */
- struct virtio_memory_regions_hpa *regions_hpa;
- /**< Device MAC address (Obtained on first TX packet). */
- struct rte_ether_addr mac_address;
- /**< RX queue number. */
- uint16_t rx_q;
- /**< Data core that the device is added to. */
- uint16_t coreid;
- /**< A device is set as ready if the MAC address has been set. */
- volatile uint8_t ready;
- /**< Device is marked for removal from the data core. */
- volatile uint8_t remove;
-} __rte_cache_aligned;
-
-/**
- * Structure containing data core specific information.
- */
-struct lcore_ll_info {
- /**< Pointer to head in free linked list. */
- struct virtio_net_data_ll *ll_root_free;
- /**< Pointer to head of used linked list. */
- struct virtio_net_data_ll *ll_root_used;
- /**< Number of devices on lcore. */
- uint32_t device_num;
- /**< Flag to synchronize device removal. */
- volatile uint8_t dev_removal_flag;
-};
-
-struct lcore_info {
- /**< Pointer to data core specific lcore_ll_info struct */
- struct lcore_ll_info *lcore_ll;
-};
-
-struct virtio_net_data_ll {
- /**< Pointer to device created by configuration core. */
- struct vhost_dev *vdev;
- /**< Pointer to next device in linked list. */
- struct virtio_net_data_ll *next;
-};
-
-uint32_t
-virtio_dev_rx(int vid, struct rte_mbuf **pkts, uint32_t count);
-
-#endif /* _MAIN_H_ */
+++ /dev/null
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
-
-# meson file, for building this example as part of a main DPDK build.
-#
-# To build this example as a standalone application with an already-installed
-# DPDK instance, use 'make'
-
-if not is_linux
- build = false
-endif
-deps += ['hash', 'vhost']
-cflags += '-Wno-deprecated-declarations'
-sources = files(
- 'main.c', 'vxlan.c', 'vxlan_setup.c'
-)
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#include <stdint.h>
-#include <rte_mbuf.h>
-#include <rte_hash_crc.h>
-#include <rte_byteorder.h>
-#include <rte_udp.h>
-#include <rte_tcp.h>
-#include <rte_sctp.h>
-
-#include "main.h"
-#include "vxlan.h"
-
-static uint16_t
-get_psd_sum(void *l3_hdr, uint16_t ethertype, uint64_t ol_flags)
-{
- if (ethertype == RTE_ETHER_TYPE_IPV4)
- return rte_ipv4_phdr_cksum(l3_hdr, ol_flags);
- else /* assume ethertype == RTE_ETHER_TYPE_IPV6 */
- return rte_ipv6_phdr_cksum(l3_hdr, ol_flags);
-}
-
-/**
- * Parse an ethernet header to fill the ethertype, outer_l2_len, outer_l3_len and
- * ipproto. This function is able to recognize IPv4/IPv6 with one optional vlan
- * header.
- */
-static void
-parse_ethernet(struct rte_ether_hdr *eth_hdr, union tunnel_offload_info *info,
- uint8_t *l4_proto)
-{
- struct rte_ipv4_hdr *ipv4_hdr;
- struct rte_ipv6_hdr *ipv6_hdr;
- uint16_t ethertype;
-
- info->outer_l2_len = sizeof(struct rte_ether_hdr);
- ethertype = rte_be_to_cpu_16(eth_hdr->ether_type);
-
- if (ethertype == RTE_ETHER_TYPE_VLAN) {
- struct rte_vlan_hdr *vlan_hdr =
- (struct rte_vlan_hdr *)(eth_hdr + 1);
- info->outer_l2_len += sizeof(struct rte_vlan_hdr);
- ethertype = rte_be_to_cpu_16(vlan_hdr->eth_proto);
- }
-
- switch (ethertype) {
- case RTE_ETHER_TYPE_IPV4:
- ipv4_hdr = (struct rte_ipv4_hdr *)
- ((char *)eth_hdr + info->outer_l2_len);
- info->outer_l3_len = sizeof(struct rte_ipv4_hdr);
- *l4_proto = ipv4_hdr->next_proto_id;
- break;
- case RTE_ETHER_TYPE_IPV6:
- ipv6_hdr = (struct rte_ipv6_hdr *)
- ((char *)eth_hdr + info->outer_l2_len);
- info->outer_l3_len = sizeof(struct rte_ipv6_hdr);
- *l4_proto = ipv6_hdr->proto;
- break;
- default:
- info->outer_l3_len = 0;
- *l4_proto = 0;
- break;
- }
-}
-
-/**
- * Calculate the checksum of a packet in hardware
- */
-static uint64_t
-process_inner_cksums(struct rte_ether_hdr *eth_hdr,
- union tunnel_offload_info *info)
-{
- void *l3_hdr = NULL;
- uint8_t l4_proto;
- uint16_t ethertype;
- struct rte_ipv4_hdr *ipv4_hdr;
- struct rte_ipv6_hdr *ipv6_hdr;
- struct rte_udp_hdr *udp_hdr;
- struct rte_tcp_hdr *tcp_hdr;
- struct rte_sctp_hdr *sctp_hdr;
- uint64_t ol_flags = 0;
-
- info->l2_len = sizeof(struct rte_ether_hdr);
- ethertype = rte_be_to_cpu_16(eth_hdr->ether_type);
-
- if (ethertype == RTE_ETHER_TYPE_VLAN) {
- struct rte_vlan_hdr *vlan_hdr =
- (struct rte_vlan_hdr *)(eth_hdr + 1);
- info->l2_len += sizeof(struct rte_vlan_hdr);
- ethertype = rte_be_to_cpu_16(vlan_hdr->eth_proto);
- }
-
- l3_hdr = (char *)eth_hdr + info->l2_len;
-
- if (ethertype == RTE_ETHER_TYPE_IPV4) {
- ipv4_hdr = (struct rte_ipv4_hdr *)l3_hdr;
- ipv4_hdr->hdr_checksum = 0;
- ol_flags |= PKT_TX_IPV4;
- ol_flags |= PKT_TX_IP_CKSUM;
- info->l3_len = sizeof(struct rte_ipv4_hdr);
- l4_proto = ipv4_hdr->next_proto_id;
- } else if (ethertype == RTE_ETHER_TYPE_IPV6) {
- ipv6_hdr = (struct rte_ipv6_hdr *)l3_hdr;
- info->l3_len = sizeof(struct rte_ipv6_hdr);
- l4_proto = ipv6_hdr->proto;
- ol_flags |= PKT_TX_IPV6;
- } else
- return 0; /* packet type not supported, nothing to do */
-
- if (l4_proto == IPPROTO_UDP) {
- udp_hdr = (struct rte_udp_hdr *)((char *)l3_hdr + info->l3_len);
- ol_flags |= PKT_TX_UDP_CKSUM;
- udp_hdr->dgram_cksum = get_psd_sum(l3_hdr,
- ethertype, ol_flags);
- } else if (l4_proto == IPPROTO_TCP) {
- tcp_hdr = (struct rte_tcp_hdr *)((char *)l3_hdr + info->l3_len);
- /* Put PKT_TX_TCP_SEG bit setting before get_psd_sum(), because
- * it depends on PKT_TX_TCP_SEG to calculate pseudo-header
- * checksum.
- */
- if (tso_segsz != 0) {
- ol_flags |= PKT_TX_TCP_SEG;
- info->tso_segsz = tso_segsz;
- info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
- }
- ol_flags |= PKT_TX_TCP_CKSUM;
- tcp_hdr->cksum = get_psd_sum(l3_hdr, ethertype, ol_flags);
-
- } else if (l4_proto == IPPROTO_SCTP) {
- sctp_hdr = (struct rte_sctp_hdr *)
- ((char *)l3_hdr + info->l3_len);
- sctp_hdr->cksum = 0;
- ol_flags |= PKT_TX_SCTP_CKSUM;
- }
-
- return ol_flags;
-}
-
-int
-decapsulation(struct rte_mbuf *pkt)
-{
- uint8_t l4_proto = 0;
- uint16_t outer_header_len;
- struct rte_udp_hdr *udp_hdr;
- union tunnel_offload_info info = { .data = 0 };
- struct rte_ether_hdr *phdr =
- rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
-
- parse_ethernet(phdr, &info, &l4_proto);
-
- if (l4_proto != IPPROTO_UDP)
- return -1;
-
- udp_hdr = (struct rte_udp_hdr *)((char *)phdr +
- info.outer_l2_len + info.outer_l3_len);
-
- /** check udp destination port, 4789 is the default vxlan port
- * (rfc7348) or that the rx offload flag is set (i40e only
- * currently)*/
- if (udp_hdr->dst_port != rte_cpu_to_be_16(RTE_VXLAN_DEFAULT_PORT) &&
- (pkt->packet_type & RTE_PTYPE_TUNNEL_MASK) == 0)
- return -1;
- outer_header_len = info.outer_l2_len + info.outer_l3_len
- + sizeof(struct rte_udp_hdr) + sizeof(struct rte_vxlan_hdr);
-
- rte_pktmbuf_adj(pkt, outer_header_len);
-
- return 0;
-}
-
-void
-encapsulation(struct rte_mbuf *m, uint8_t queue_id)
-{
- uint vport_id;
- uint64_t ol_flags = 0;
- uint32_t old_len = m->pkt_len, hash;
- union tunnel_offload_info tx_offload = { .data = 0 };
- struct rte_ether_hdr *phdr =
- rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
-
- /*Allocate space for new ethernet, IPv4, UDP and VXLAN headers*/
- struct rte_ether_hdr *pneth =
- (struct rte_ether_hdr *) rte_pktmbuf_prepend(m,
- sizeof(struct rte_ether_hdr) + sizeof(struct rte_ipv4_hdr)
- + sizeof(struct rte_udp_hdr) + sizeof(struct rte_vxlan_hdr));
-
- struct rte_ipv4_hdr *ip = (struct rte_ipv4_hdr *) &pneth[1];
- struct rte_udp_hdr *udp = (struct rte_udp_hdr *) &ip[1];
- struct rte_vxlan_hdr *vxlan = (struct rte_vxlan_hdr *) &udp[1];
-
- /* convert TX queue ID to vport ID */
- vport_id = queue_id - 1;
-
- /* replace original Ethernet header with ours */
- pneth = rte_memcpy(pneth, &app_l2_hdr[vport_id],
- sizeof(struct rte_ether_hdr));
-
- /* copy in IP header */
- ip = rte_memcpy(ip, &app_ip_hdr[vport_id],
- sizeof(struct rte_ipv4_hdr));
- ip->total_length = rte_cpu_to_be_16(m->pkt_len
- - sizeof(struct rte_ether_hdr));
-
- /* outer IP checksum */
- ol_flags |= PKT_TX_OUTER_IP_CKSUM;
- ip->hdr_checksum = 0;
-
- /* inner IP checksum offload */
- if (tx_checksum) {
- ol_flags |= process_inner_cksums(phdr, &tx_offload);
- m->l2_len = tx_offload.l2_len;
- m->l3_len = tx_offload.l3_len;
- m->l4_len = tx_offload.l4_len;
- m->l2_len += RTE_ETHER_VXLAN_HLEN;
- }
-
- m->outer_l2_len = sizeof(struct rte_ether_hdr);
- m->outer_l3_len = sizeof(struct rte_ipv4_hdr);
-
- ol_flags |= PKT_TX_TUNNEL_VXLAN;
-
- m->ol_flags |= ol_flags;
- m->tso_segsz = tx_offload.tso_segsz;
-
- /*VXLAN HEADER*/
- vxlan->vx_flags = rte_cpu_to_be_32(VXLAN_HF_VNI);
- vxlan->vx_vni = rte_cpu_to_be_32(vxdev.out_key << 8);
-
- /*UDP HEADER*/
- udp->dgram_cksum = 0;
- udp->dgram_len = rte_cpu_to_be_16(old_len
- + sizeof(struct rte_udp_hdr)
- + sizeof(struct rte_vxlan_hdr));
-
- udp->dst_port = rte_cpu_to_be_16(vxdev.dst_port);
- hash = rte_hash_crc(phdr, 2 * RTE_ETHER_ADDR_LEN, phdr->ether_type);
- udp->src_port = rte_cpu_to_be_16((((uint64_t) hash * PORT_RANGE) >> 32)
- + PORT_MIN);
-
- return;
-}
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#ifndef _VXLAN_H_
-#define _VXLAN_H_
-
-#include <rte_ether.h>
-#include <rte_ip.h>
-#include <rte_vxlan.h>
-
-#define PORT_MIN 49152
-#define PORT_MAX 65535
-#define PORT_RANGE ((PORT_MAX - PORT_MIN) + 1)
-
-#define VXLAN_N_PORTS 2
-#define VXLAN_HF_VNI 0x08000000
-
-extern struct rte_ipv4_hdr app_ip_hdr[VXLAN_N_PORTS];
-extern struct rte_ether_hdr app_l2_hdr[VXLAN_N_PORTS];
-extern uint8_t tx_checksum;
-extern uint16_t tso_segsz;
-
-struct vxlan_port {
- uint32_t vport_id; /**< VirtIO port id */
- uint32_t peer_ip; /**< remote VTEP IP address */
- struct rte_ether_addr peer_mac; /**< remote VTEP MAC address */
- struct rte_ether_addr vport_mac; /**< VirtIO port MAC address */
-} __rte_cache_aligned;
-
-struct vxlan_conf {
- uint16_t dst_port; /**< VXLAN UDP destination port */
- uint32_t port_ip; /**< DPDK port IP address*/
- uint32_t in_key; /**< VLAN ID */
- uint32_t out_key; /**< VXLAN VNI */
- struct vxlan_port port[VXLAN_N_PORTS]; /**< VXLAN configuration */
-} __rte_cache_aligned;
-
-extern struct vxlan_conf vxdev;
-
-/* structure that caches offload info for the current packet */
-union tunnel_offload_info {
- uint64_t data;
- struct {
- uint64_t l2_len:7; /**< L2 (MAC) Header Length. */
- uint64_t l3_len:9; /**< L3 (IP) Header Length. */
- uint64_t l4_len:8; /**< L4 Header Length. */
- uint64_t tso_segsz:16; /**< TCP TSO segment size */
- uint64_t outer_l2_len:7; /**< outer L2 Header Length */
- uint64_t outer_l3_len:16; /**< outer L3 Header Length */
- };
-} __rte_cache_aligned;
-
-int decapsulation(struct rte_mbuf *pkt);
-void encapsulation(struct rte_mbuf *m, uint8_t queue_id);
-
-#endif /* _VXLAN_H_ */
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#include <getopt.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/virtio_net.h>
-#include <linux/virtio_ring.h>
-#include <sys/param.h>
-#include <unistd.h>
-
-#include <rte_ethdev.h>
-#include <rte_log.h>
-#include <rte_string_fns.h>
-#include <rte_mbuf.h>
-#include <rte_malloc.h>
-#include <rte_ip.h>
-#include <rte_udp.h>
-#include <rte_tcp.h>
-
-#include "main.h"
-#include "rte_vhost.h"
-#include "vxlan.h"
-#include "vxlan_setup.h"
-
-#define IPV4_HEADER_LEN 20
-#define UDP_HEADER_LEN 8
-#define VXLAN_HEADER_LEN 8
-
-#define IP_DEFTTL 64 /* from RFC 1340. */
-
-#define IP_DN_FRAGMENT_FLAG 0x0040
-
-/* Used to compare MAC addresses. */
-#define MAC_ADDR_CMP 0xFFFFFFFFFFFFULL
-
-/* Configurable number of RX/TX ring descriptors */
-#define RTE_TEST_RX_DESC_DEFAULT 1024
-#define RTE_TEST_TX_DESC_DEFAULT 512
-
-/* Default inner VLAN ID */
-#define INNER_VLAN_ID 100
-
-/* VXLAN device */
-struct vxlan_conf vxdev;
-
-struct rte_ipv4_hdr app_ip_hdr[VXLAN_N_PORTS];
-struct rte_ether_hdr app_l2_hdr[VXLAN_N_PORTS];
-
-/* local VTEP IP address */
-uint8_t vxlan_multicast_ips[2][4] = { {239, 1, 1, 1 }, {239, 1, 2, 1 } };
-
-/* Remote VTEP IP address */
-uint8_t vxlan_overlay_ips[2][4] = { {192, 168, 10, 1}, {192, 168, 30, 1} };
-
-/* Remote VTEP MAC address */
-uint8_t peer_mac[6] = {0x00, 0x11, 0x01, 0x00, 0x00, 0x01};
-
-/* VXLAN RX filter type */
-uint8_t tep_filter_type[] = {RTE_TUNNEL_FILTER_IMAC_TENID,
- RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID,
- RTE_TUNNEL_FILTER_OMAC_TENID_IMAC,};
-
-/* Options for configuring ethernet port */
-static struct rte_eth_conf port_conf = {
- .rxmode = {
- .split_hdr_size = 0,
- },
- .txmode = {
- .mq_mode = ETH_MQ_TX_NONE,
- .offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM |
- DEV_TX_OFFLOAD_SCTP_CKSUM |
- DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
- DEV_TX_OFFLOAD_TCP_TSO |
- DEV_TX_OFFLOAD_MULTI_SEGS |
- DEV_TX_OFFLOAD_VXLAN_TNL_TSO),
- },
-};
-
-/**
- * The one or two device(s) that belongs to the same tenant ID can
- * be assigned in a VM.
- */
-const uint16_t tenant_id_conf[] = {
- 1000, 1000, 1001, 1001, 1002, 1002, 1003, 1003,
- 1004, 1004, 1005, 1005, 1006, 1006, 1007, 1007,
- 1008, 1008, 1009, 1009, 1010, 1010, 1011, 1011,
- 1012, 1012, 1013, 1013, 1014, 1014, 1015, 1015,
- 1016, 1016, 1017, 1017, 1018, 1018, 1019, 1019,
- 1020, 1020, 1021, 1021, 1022, 1022, 1023, 1023,
- 1024, 1024, 1025, 1025, 1026, 1026, 1027, 1027,
- 1028, 1028, 1029, 1029, 1030, 1030, 1031, 1031,
-};
-
-/**
- * Initialises a given port using global settings and with the rx buffers
- * coming from the mbuf_pool passed as parameter
- */
-int
-vxlan_port_init(uint16_t port, struct rte_mempool *mbuf_pool)
-{
- int retval;
- uint16_t q;
- struct rte_eth_dev_info dev_info;
- uint16_t rx_rings, tx_rings = (uint16_t)rte_lcore_count();
- uint16_t rx_ring_size = RTE_TEST_RX_DESC_DEFAULT;
- uint16_t tx_ring_size = RTE_TEST_TX_DESC_DEFAULT;
- struct rte_eth_udp_tunnel tunnel_udp;
- struct rte_eth_rxconf *rxconf;
- struct rte_eth_txconf *txconf;
- struct vxlan_conf *pconf = &vxdev;
- struct rte_eth_conf local_port_conf = port_conf;
-
- pconf->dst_port = udp_port;
-
- retval = rte_eth_dev_info_get(port, &dev_info);
- if (retval != 0)
- rte_exit(EXIT_FAILURE,
- "Error during getting device (port %u) info: %s\n",
- port, strerror(-retval));
-
- if (dev_info.max_rx_queues > MAX_QUEUES) {
- rte_exit(EXIT_FAILURE,
- "please define MAX_QUEUES no less than %u in %s\n",
- dev_info.max_rx_queues, __FILE__);
- }
-
- rxconf = &dev_info.default_rxconf;
- txconf = &dev_info.default_txconf;
-
- if (!rte_eth_dev_is_valid_port(port))
- return -1;
-
- rx_rings = nb_devices;
- if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
- local_port_conf.txmode.offloads |=
- DEV_TX_OFFLOAD_MBUF_FAST_FREE;
- /* Configure ethernet device. */
- retval = rte_eth_dev_configure(port, rx_rings, tx_rings,
- &local_port_conf);
- if (retval != 0)
- return retval;
-
- retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &rx_ring_size,
- &tx_ring_size);
- if (retval != 0)
- return retval;
-
- /* Setup the queues. */
- rxconf->offloads = local_port_conf.rxmode.offloads;
- for (q = 0; q < rx_rings; q++) {
- retval = rte_eth_rx_queue_setup(port, q, rx_ring_size,
- rte_eth_dev_socket_id(port),
- rxconf,
- mbuf_pool);
- if (retval < 0)
- return retval;
- }
- txconf->offloads = local_port_conf.txmode.offloads;
- for (q = 0; q < tx_rings; q++) {
- retval = rte_eth_tx_queue_setup(port, q, tx_ring_size,
- rte_eth_dev_socket_id(port),
- txconf);
- if (retval < 0)
- return retval;
- }
-
- /* Start the device. */
- retval = rte_eth_dev_start(port);
- if (retval < 0)
- return retval;
-
- /* Configure UDP port for UDP tunneling */
- tunnel_udp.udp_port = udp_port;
- tunnel_udp.prot_type = RTE_TUNNEL_TYPE_VXLAN;
- retval = rte_eth_dev_udp_tunnel_port_add(port, &tunnel_udp);
- if (retval < 0)
- return retval;
- retval = rte_eth_macaddr_get(port, &ports_eth_addr[port]);
- if (retval < 0)
- return retval;
-
- RTE_LOG(INFO, PORT, "Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
- " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
- port,
- ports_eth_addr[port].addr_bytes[0],
- ports_eth_addr[port].addr_bytes[1],
- ports_eth_addr[port].addr_bytes[2],
- ports_eth_addr[port].addr_bytes[3],
- ports_eth_addr[port].addr_bytes[4],
- ports_eth_addr[port].addr_bytes[5]);
-
- if (tso_segsz != 0) {
- if ((dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) == 0)
- RTE_LOG(WARNING, PORT,
- "hardware TSO offload is not supported\n");
- }
- return 0;
-}
-
-static int
-vxlan_rx_process(struct rte_mbuf *pkt)
-{
- int ret = 0;
-
- if (rx_decap)
- ret = decapsulation(pkt);
-
- return ret;
-}
-
-static void
-vxlan_tx_process(uint8_t queue_id, struct rte_mbuf *pkt)
-{
- if (tx_encap)
- encapsulation(pkt, queue_id);
-
- return;
-}
-
-/*
- * This function learns the MAC address of the device and set init
- * L2 header and L3 header info.
- */
-int
-vxlan_link(struct vhost_dev *vdev, struct rte_mbuf *m)
-{
- int i, ret;
- struct rte_ether_hdr *pkt_hdr;
- uint64_t portid = vdev->vid;
- struct rte_ipv4_hdr *ip;
-
- struct rte_eth_tunnel_filter_conf tunnel_filter_conf;
-
- if (unlikely(portid >= VXLAN_N_PORTS)) {
- RTE_LOG(INFO, VHOST_DATA,
- "(%d) WARNING: Not configuring device,"
- "as already have %d ports for VXLAN.",
- vdev->vid, VXLAN_N_PORTS);
- return -1;
- }
-
- /* Learn MAC address of guest device from packet */
- pkt_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
- if (rte_is_same_ether_addr(&(pkt_hdr->s_addr), &vdev->mac_address)) {
- RTE_LOG(INFO, VHOST_DATA,
- "(%d) WARNING: This device is using an existing"
- " MAC address and has not been registered.\n",
- vdev->vid);
- return -1;
- }
-
- for (i = 0; i < RTE_ETHER_ADDR_LEN; i++) {
- vdev->mac_address.addr_bytes[i] =
- vxdev.port[portid].vport_mac.addr_bytes[i] =
- pkt_hdr->s_addr.addr_bytes[i];
- vxdev.port[portid].peer_mac.addr_bytes[i] = peer_mac[i];
- }
-
- memset(&tunnel_filter_conf, 0,
- sizeof(struct rte_eth_tunnel_filter_conf));
-
- rte_ether_addr_copy(&ports_eth_addr[0], &tunnel_filter_conf.outer_mac);
- tunnel_filter_conf.filter_type = tep_filter_type[filter_idx];
-
- /* inner MAC */
- rte_ether_addr_copy(&vdev->mac_address, &tunnel_filter_conf.inner_mac);
-
- tunnel_filter_conf.queue_id = vdev->rx_q;
- tunnel_filter_conf.tenant_id = tenant_id_conf[vdev->rx_q];
-
- if (tep_filter_type[filter_idx] == RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID)
- tunnel_filter_conf.inner_vlan = INNER_VLAN_ID;
-
- tunnel_filter_conf.tunnel_type = RTE_TUNNEL_TYPE_VXLAN;
-
- ret = rte_eth_dev_filter_ctrl(ports[0],
- RTE_ETH_FILTER_TUNNEL,
- RTE_ETH_FILTER_ADD,
- &tunnel_filter_conf);
- if (ret) {
- RTE_LOG(ERR, VHOST_DATA,
- "%d Failed to add device MAC address to cloud filter\n",
- vdev->rx_q);
- return -1;
- }
-
- /* Print out inner MAC and VNI info. */
- RTE_LOG(INFO, VHOST_DATA,
- "(%d) MAC_ADDRESS %02x:%02x:%02x:%02x:%02x:%02x and VNI %d registered\n",
- vdev->rx_q,
- vdev->mac_address.addr_bytes[0],
- vdev->mac_address.addr_bytes[1],
- vdev->mac_address.addr_bytes[2],
- vdev->mac_address.addr_bytes[3],
- vdev->mac_address.addr_bytes[4],
- vdev->mac_address.addr_bytes[5],
- tenant_id_conf[vdev->rx_q]);
-
- vxdev.port[portid].vport_id = portid;
-
- for (i = 0; i < 4; i++) {
- /* Local VTEP IP */
- vxdev.port_ip |= vxlan_multicast_ips[portid][i] << (8 * i);
- /* Remote VTEP IP */
- vxdev.port[portid].peer_ip |=
- vxlan_overlay_ips[portid][i] << (8 * i);
- }
-
- vxdev.out_key = tenant_id_conf[vdev->rx_q];
- rte_ether_addr_copy(&vxdev.port[portid].peer_mac,
- &app_l2_hdr[portid].d_addr);
- rte_ether_addr_copy(&ports_eth_addr[0],
- &app_l2_hdr[portid].s_addr);
- app_l2_hdr[portid].ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
-
- ip = &app_ip_hdr[portid];
- ip->version_ihl = RTE_IPV4_VHL_DEF;
- ip->type_of_service = 0;
- ip->total_length = 0;
- ip->packet_id = 0;
- ip->fragment_offset = IP_DN_FRAGMENT_FLAG;
- ip->time_to_live = IP_DEFTTL;
- ip->next_proto_id = IPPROTO_UDP;
- ip->hdr_checksum = 0;
- ip->src_addr = vxdev.port_ip;
- ip->dst_addr = vxdev.port[portid].peer_ip;
-
- /* Set device as ready for RX. */
- vdev->ready = DEVICE_RX;
-
- return 0;
-}
-
-/**
- * Removes cloud filter. Ensures that nothing is adding buffers to the RX
- * queue before disabling RX on the device.
- */
-void
-vxlan_unlink(struct vhost_dev *vdev)
-{
- unsigned i = 0, rx_count;
- int ret;
- struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
- struct rte_eth_tunnel_filter_conf tunnel_filter_conf;
-
- if (vdev->ready == DEVICE_RX) {
- memset(&tunnel_filter_conf, 0,
- sizeof(struct rte_eth_tunnel_filter_conf));
-
- rte_ether_addr_copy(&ports_eth_addr[0],
- &tunnel_filter_conf.outer_mac);
- rte_ether_addr_copy(&vdev->mac_address,
- &tunnel_filter_conf.inner_mac);
- tunnel_filter_conf.tenant_id = tenant_id_conf[vdev->rx_q];
- tunnel_filter_conf.filter_type = tep_filter_type[filter_idx];
-
- if (tep_filter_type[filter_idx] ==
- RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID)
- tunnel_filter_conf.inner_vlan = INNER_VLAN_ID;
-
- tunnel_filter_conf.queue_id = vdev->rx_q;
- tunnel_filter_conf.tunnel_type = RTE_TUNNEL_TYPE_VXLAN;
-
- ret = rte_eth_dev_filter_ctrl(ports[0],
- RTE_ETH_FILTER_TUNNEL,
- RTE_ETH_FILTER_DELETE,
- &tunnel_filter_conf);
- if (ret) {
- RTE_LOG(ERR, VHOST_DATA,
- "%d Failed to add device MAC address to cloud filter\n",
- vdev->rx_q);
- return;
- }
- for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
- vdev->mac_address.addr_bytes[i] = 0;
-
- /* Clear out the receive buffers */
- rx_count = rte_eth_rx_burst(ports[0],
- (uint16_t)vdev->rx_q,
- pkts_burst, MAX_PKT_BURST);
-
- while (rx_count) {
- for (i = 0; i < rx_count; i++)
- rte_pktmbuf_free(pkts_burst[i]);
-
- rx_count = rte_eth_rx_burst(ports[0],
- (uint16_t)vdev->rx_q,
- pkts_burst, MAX_PKT_BURST);
- }
- vdev->ready = DEVICE_MAC_LEARNING;
- }
-}
-
-/* Transmit packets after encapsulating */
-int
-vxlan_tx_pkts(uint16_t port_id, uint16_t queue_id,
- struct rte_mbuf **tx_pkts, uint16_t nb_pkts) {
- int ret = 0;
- uint16_t i;
-
- for (i = 0; i < nb_pkts; i++)
- vxlan_tx_process(queue_id, tx_pkts[i]);
-
- ret = rte_eth_tx_burst(port_id, queue_id, tx_pkts, nb_pkts);
-
- return ret;
-}
-
-/* Check for decapsulation and pass packets directly to VIRTIO device */
-int
-vxlan_rx_pkts(int vid, struct rte_mbuf **pkts_burst, uint32_t rx_count)
-{
- uint32_t i = 0;
- uint32_t count = 0;
- int ret;
- struct rte_mbuf *pkts_valid[rx_count];
-
- for (i = 0; i < rx_count; i++) {
- if (enable_stats) {
- rte_atomic64_add(
- &dev_statistics[vid].rx_bad_ip_csum,
- (pkts_burst[i]->ol_flags & PKT_RX_IP_CKSUM_BAD)
- != 0);
- rte_atomic64_add(
- &dev_statistics[vid].rx_bad_ip_csum,
- (pkts_burst[i]->ol_flags & PKT_RX_L4_CKSUM_BAD)
- != 0);
- }
- ret = vxlan_rx_process(pkts_burst[i]);
- if (unlikely(ret < 0))
- continue;
-
- pkts_valid[count] = pkts_burst[i];
- count++;
- }
-
- ret = rte_vhost_enqueue_burst(vid, VIRTIO_RXQ, pkts_valid, count);
- return ret;
-}
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#ifndef VXLAN_SETUP_H_
-#define VXLAN_SETUP_H_
-
-extern uint16_t nb_devices;
-extern uint16_t udp_port;
-extern uint8_t filter_idx;
-extern uint16_t ports[RTE_MAX_ETHPORTS];
-extern struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
-extern uint32_t enable_stats;
-extern struct device_statistics dev_statistics[MAX_DEVICES];
-extern uint8_t rx_decap;
-extern uint8_t tx_encap;
-
-typedef int (*ol_port_configure_t)(uint16_t port,
- struct rte_mempool *mbuf_pool);
-
-typedef int (*ol_tunnel_setup_t)(struct vhost_dev *vdev,
- struct rte_mbuf *m);
-
-typedef void (*ol_tunnel_destroy_t)(struct vhost_dev *vdev);
-
-typedef int (*ol_tx_handle_t)(uint16_t port_id, uint16_t queue_id,
- struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
-
-typedef int (*ol_rx_handle_t)(int vid, struct rte_mbuf **pkts,
- uint32_t count);
-
-typedef int (*ol_param_handle)(int vid);
-
-struct ol_switch_ops {
- ol_port_configure_t port_configure;
- ol_tunnel_setup_t tunnel_setup;
- ol_tunnel_destroy_t tunnel_destroy;
- ol_tx_handle_t tx_handle;
- ol_rx_handle_t rx_handle;
- ol_param_handle param_handle;
-};
-
-int
-vxlan_port_init(uint16_t port, struct rte_mempool *mbuf_pool);
-
-int
-vxlan_link(struct vhost_dev *vdev, struct rte_mbuf *m);
-
-void
-vxlan_unlink(struct vhost_dev *vdev);
-
-int
-vxlan_tx_pkts(uint16_t port_id, uint16_t queue_id,
- struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
-int
-vxlan_rx_pkts(int vid, struct rte_mbuf **pkts, uint32_t count);
-
-#endif /* VXLAN_SETUP_H_ */
git.droids-corp.org / dpdk.git / commitdiff
