The tunnel cases this example wants to test can be covered by testpmd with rte_flow_create. And this example hasn't been used for a long time. So deprecate this example.
Signed-off-by: Xiaoyun Li <xiaoyun...@intel.com> --- MAINTAINERS | 4 - .../img/tep_termination_arch.svg | 1400 ----------------- doc/guides/sample_app_ug/index.rst | 1 - doc/guides/sample_app_ug/tep_termination.rst | 233 --- examples/meson.build | 2 +- examples/tep_termination/Makefile | 45 - examples/tep_termination/main.c | 1235 --------------- examples/tep_termination/main.h | 93 -- examples/tep_termination/meson.build | 16 - examples/tep_termination/vxlan.c | 243 --- examples/tep_termination/vxlan.h | 57 - examples/tep_termination/vxlan_setup.c | 443 ------ examples/tep_termination/vxlan_setup.h | 58 - 13 files changed, 1 insertion(+), 3829 deletions(-) delete mode 100644 doc/guides/sample_app_ug/img/tep_termination_arch.svg delete mode 100644 doc/guides/sample_app_ug/tep_termination.rst delete mode 100644 examples/tep_termination/Makefile delete mode 100644 examples/tep_termination/main.c delete mode 100644 examples/tep_termination/main.h delete mode 100644 examples/tep_termination/meson.build delete mode 100644 examples/tep_termination/vxlan.c delete mode 100644 examples/tep_termination/vxlan.h delete mode 100644 examples/tep_termination/vxlan_setup.c delete mode 100644 examples/tep_termination/vxlan_setup.h diff --git a/MAINTAINERS b/MAINTAINERS index f7ecb5305..cd7e0215c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1659,10 +1659,6 @@ M: John McNamara <john.mcnam...@intel.com> F: examples/skeleton/ F: doc/guides/sample_app_ug/skeleton.rst -TEP termination example -M: Xiaoyun Li <xiaoyun...@intel.com> -F: examples/tep_termination/ - 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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 - -Compiling the Sample Code -------------------------- - -To enable vhost, turn on vhost library in the configure file -``config/common_linux``. - - .. code-block:: console - - CONFIG_RTE_LIBRTE_VHOST=y - -Then following the to compile the sample application shown in -:doc:`compiling`. - -Running the Sample Code ------------------------ - -#. Go to the examples directory: - - .. code-block:: console - - export RTE_SDK=/path/to/rte_sdk - cd ${RTE_SDK}/examples/tep_termination - -#. Run the tep_termination sample code: - - .. code-block:: console - - user@target:~$ ./build/app/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/app/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/app/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/app/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/app/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/app/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/app/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/app/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. diff --git a/examples/meson.build b/examples/meson.build index 414ec55cc..f17995532 100644 --- a/examples/meson.build +++ b/examples/meson.build @@ -40,7 +40,7 @@ all_examples = [ 'server_node_efd/node', 'server_node_efd/server', 'service_cores', - 'skeleton', 'tep_termination', + 'skeleton', 'timer', 'vdpa', 'vhost', 'vhost_crypto', 'vhost_blk', 'vm_power_manager', diff --git a/examples/tep_termination/Makefile b/examples/tep_termination/Makefile deleted file mode 100644 index 443bcb190..000000000 --- a/examples/tep_termination/Makefile +++ /dev/null @@ -1,45 +0,0 @@ -# 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 diff --git a/examples/tep_termination/main.c b/examples/tep_termination/main.c deleted file mode 100644 index 232ed59b6..000000000 --- a/examples/tep_termination/main.c +++ /dev/null @@ -1,1235 +0,0 @@ -/* 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_SLAVE(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_SLAVE(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_SLAVE(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_SLAVE(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_SLAVE(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_SLAVE(lcore_id) - rte_eal_wait_lcore(lcore_id); - - return 0; -} diff --git a/examples/tep_termination/main.h b/examples/tep_termination/main.h deleted file mode 100644 index 7a70f7396..000000000 --- a/examples/tep_termination/main.h +++ /dev/null @@ -1,93 +0,0 @@ -/* 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_ */ diff --git a/examples/tep_termination/meson.build b/examples/tep_termination/meson.build deleted file mode 100644 index f65d68980..000000000 --- a/examples/tep_termination/meson.build +++ /dev/null @@ -1,16 +0,0 @@ -# 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' -) diff --git a/examples/tep_termination/vxlan.c b/examples/tep_termination/vxlan.c deleted file mode 100644 index 0ba6b8be8..000000000 --- a/examples/tep_termination/vxlan.c +++ /dev/null @@ -1,243 +0,0 @@ -/* 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; -} diff --git a/examples/tep_termination/vxlan.h b/examples/tep_termination/vxlan.h deleted file mode 100644 index 587fb9fe5..000000000 --- a/examples/tep_termination/vxlan.h +++ /dev/null @@ -1,57 +0,0 @@ -/* 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_ */ diff --git a/examples/tep_termination/vxlan_setup.c b/examples/tep_termination/vxlan_setup.c deleted file mode 100644 index 4b44ccc14..000000000 --- a/examples/tep_termination/vxlan_setup.c +++ /dev/null @@ -1,443 +0,0 @@ -/* 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; -} diff --git a/examples/tep_termination/vxlan_setup.h b/examples/tep_termination/vxlan_setup.h deleted file mode 100644 index 4dc37d673..000000000 --- a/examples/tep_termination/vxlan_setup.h +++ /dev/null @@ -1,58 +0,0 @@ -/* 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_ */ -- 2.17.1
