Null PMD
M: Tetsuya Mukawa <mukawa@igel.co.jp>
-F: lib/librte_pmd_null/
+F: drivers/net/null/
Packet processing
+-- i40e # 40GbE poll mode driver
+-- ixgbe # 10GbE poll mode driver
+-- mlx4 # Mellanox ConnectX-3 poll mode driver
+ +-- null # NULL poll mode driver for testing
Applications
------------
DIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e
DIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe
DIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += null
include $(RTE_SDK)/mk/rte.sharelib.mk
include $(RTE_SDK)/mk/rte.subdir.mk
--- /dev/null
+# BSD LICENSE
+#
+# Copyright (C) IGEL Co.,Ltd.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of IGEL Co.,Ltd. nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_pmd_null.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+EXPORT_MAP := rte_pmd_null_version.map
+
+LIBABIVER := 1
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += rte_eth_null.c
+
+#
+# Export include files
+#
+SYMLINK-y-include +=
+
+# this lib depends upon:
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_mbuf
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_ether
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_kvargs
+
+include $(RTE_SDK)/mk/rte.lib.mk
--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (C) IGEL Co.,Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of IGEL Co.,Ltd. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rte_mbuf.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_memcpy.h>
+#include <rte_dev.h>
+#include <rte_kvargs.h>
+
+#define ETH_NULL_PACKET_SIZE_ARG "size"
+#define ETH_NULL_PACKET_COPY_ARG "copy"
+
+static unsigned default_packet_size = 64;
+static unsigned default_packet_copy;
+
+static const char *valid_arguments[] = {
+ ETH_NULL_PACKET_SIZE_ARG,
+ ETH_NULL_PACKET_COPY_ARG,
+ NULL
+};
+
+struct pmd_internals;
+
+struct null_queue {
+ struct pmd_internals *internals;
+
+ struct rte_mempool *mb_pool;
+ struct rte_mbuf *dummy_packet;
+
+ rte_atomic64_t rx_pkts;
+ rte_atomic64_t tx_pkts;
+ rte_atomic64_t err_pkts;
+};
+
+struct pmd_internals {
+ unsigned packet_size;
+ unsigned packet_copy;
+ unsigned numa_node;
+
+ unsigned nb_rx_queues;
+ unsigned nb_tx_queues;
+
+ struct null_queue rx_null_queues[1];
+ struct null_queue tx_null_queues[1];
+};
+
+
+static struct ether_addr eth_addr = { .addr_bytes = {0} };
+static const char *drivername = "Null PMD";
+static struct rte_eth_link pmd_link = {
+ .link_speed = 10000,
+ .link_duplex = ETH_LINK_FULL_DUPLEX,
+ .link_status = 0
+};
+
+static uint16_t
+eth_null_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
+{
+ int i;
+ struct null_queue *h = q;
+ unsigned packet_size;
+
+ if ((q == NULL) || (bufs == NULL))
+ return 0;
+
+ packet_size = h->internals->packet_size;
+ for (i = 0; i < nb_bufs; i++) {
+ bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
+ if (!bufs[i])
+ break;
+ bufs[i]->data_len = (uint16_t)packet_size;
+ bufs[i]->pkt_len = packet_size;
+ bufs[i]->nb_segs = 1;
+ bufs[i]->next = NULL;
+ }
+
+ rte_atomic64_add(&(h->rx_pkts), i);
+
+ return i;
+}
+
+static uint16_t
+eth_null_copy_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
+{
+ int i;
+ struct null_queue *h = q;
+ unsigned packet_size;
+
+ if ((q == NULL) || (bufs == NULL))
+ return 0;
+
+ packet_size = h->internals->packet_size;
+ for (i = 0; i < nb_bufs; i++) {
+ bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
+ if (!bufs[i])
+ break;
+ rte_memcpy(rte_pktmbuf_mtod(bufs[i], void *), h->dummy_packet,
+ packet_size);
+ bufs[i]->data_len = (uint16_t)packet_size;
+ bufs[i]->pkt_len = packet_size;
+ bufs[i]->nb_segs = 1;
+ bufs[i]->next = NULL;
+ }
+
+ rte_atomic64_add(&(h->rx_pkts), i);
+
+ return i;
+}
+
+static uint16_t
+eth_null_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
+{
+ int i;
+ struct null_queue *h = q;
+
+ if ((q == NULL) || (bufs == NULL))
+ return 0;
+
+ for (i = 0; i < nb_bufs; i++)
+ rte_pktmbuf_free(bufs[i]);
+
+ rte_atomic64_add(&(h->tx_pkts), i);
+
+ return i;
+}
+
+static uint16_t
+eth_null_copy_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
+{
+ int i;
+ struct null_queue *h = q;
+ unsigned packet_size;
+
+ if ((q == NULL) || (bufs == NULL))
+ return 0;
+
+ packet_size = h->internals->packet_size;
+ for (i = 0; i < nb_bufs; i++) {
+ rte_memcpy(h->dummy_packet, rte_pktmbuf_mtod(bufs[i], void *),
+ packet_size);
+ rte_pktmbuf_free(bufs[i]);
+ }
+
+ rte_atomic64_add(&(h->tx_pkts), i);
+
+ return i;
+}
+
+static int
+eth_dev_configure(struct rte_eth_dev *dev __rte_unused) { return 0; }
+
+static int
+eth_dev_start(struct rte_eth_dev *dev)
+{
+ if (dev == NULL)
+ return -EINVAL;
+
+ dev->data->dev_link.link_status = 1;
+ return 0;
+}
+
+static void
+eth_dev_stop(struct rte_eth_dev *dev)
+{
+ if (dev == NULL)
+ return;
+
+ dev->data->dev_link.link_status = 0;
+}
+
+static int
+eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+ uint16_t nb_rx_desc __rte_unused,
+ unsigned int socket_id __rte_unused,
+ const struct rte_eth_rxconf *rx_conf __rte_unused,
+ struct rte_mempool *mb_pool)
+{
+ struct rte_mbuf *dummy_packet;
+ struct pmd_internals *internals;
+ unsigned packet_size;
+
+ if ((dev == NULL) || (mb_pool == NULL))
+ return -EINVAL;
+
+ if (rx_queue_id != 0)
+ return -ENODEV;
+
+ internals = dev->data->dev_private;
+ packet_size = internals->packet_size;
+
+ internals->rx_null_queues[rx_queue_id].mb_pool = mb_pool;
+ dev->data->rx_queues[rx_queue_id] =
+ &internals->rx_null_queues[rx_queue_id];
+ dummy_packet = rte_zmalloc_socket(NULL,
+ packet_size, 0, internals->numa_node);
+ if (dummy_packet == NULL)
+ return -ENOMEM;
+
+ internals->rx_null_queues[rx_queue_id].internals = internals;
+ internals->rx_null_queues[rx_queue_id].dummy_packet = dummy_packet;
+
+ return 0;
+}
+
+static int
+eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+ uint16_t nb_tx_desc __rte_unused,
+ unsigned int socket_id __rte_unused,
+ const struct rte_eth_txconf *tx_conf __rte_unused)
+{
+ struct rte_mbuf *dummy_packet;
+ struct pmd_internals *internals;
+ unsigned packet_size;
+
+ if (dev == NULL)
+ return -EINVAL;
+
+ if (tx_queue_id != 0)
+ return -ENODEV;
+
+ internals = dev->data->dev_private;
+ packet_size = internals->packet_size;
+
+ dev->data->tx_queues[tx_queue_id] =
+ &internals->tx_null_queues[tx_queue_id];
+ dummy_packet = rte_zmalloc_socket(NULL,
+ packet_size, 0, internals->numa_node);
+ if (dummy_packet == NULL)
+ return -ENOMEM;
+
+ internals->tx_null_queues[tx_queue_id].internals = internals;
+ internals->tx_null_queues[tx_queue_id].dummy_packet = dummy_packet;
+
+ return 0;
+}
+
+
+static void
+eth_dev_info(struct rte_eth_dev *dev,
+ struct rte_eth_dev_info *dev_info)
+{
+ struct pmd_internals *internals;
+
+ if ((dev == NULL) || (dev_info == NULL))
+ return;
+
+ internals = dev->data->dev_private;
+ dev_info->driver_name = drivername;
+ dev_info->max_mac_addrs = 1;
+ dev_info->max_rx_pktlen = (uint32_t)-1;
+ dev_info->max_rx_queues = (uint16_t)internals->nb_rx_queues;
+ dev_info->max_tx_queues = (uint16_t)internals->nb_tx_queues;
+ dev_info->min_rx_bufsize = 0;
+ dev_info->pci_dev = NULL;
+}
+
+static void
+eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
+{
+ unsigned i, num_stats;
+ unsigned long rx_total = 0, tx_total = 0, tx_err_total = 0;
+ const struct pmd_internals *internal;
+
+ if ((dev == NULL) || (igb_stats == NULL))
+ return;
+
+ internal = dev->data->dev_private;
+ memset(igb_stats, 0, sizeof(*igb_stats));
+ num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
+ internal->nb_rx_queues);
+ for (i = 0; i < num_stats; i++) {
+ igb_stats->q_ipackets[i] =
+ internal->rx_null_queues[i].rx_pkts.cnt;
+ rx_total += igb_stats->q_ipackets[i];
+ }
+
+ num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
+ internal->nb_tx_queues);
+ for (i = 0; i < num_stats; i++) {
+ igb_stats->q_opackets[i] =
+ internal->tx_null_queues[i].tx_pkts.cnt;
+ igb_stats->q_errors[i] =
+ internal->tx_null_queues[i].err_pkts.cnt;
+ tx_total += igb_stats->q_opackets[i];
+ tx_err_total += igb_stats->q_errors[i];
+ }
+
+ igb_stats->ipackets = rx_total;
+ igb_stats->opackets = tx_total;
+ igb_stats->oerrors = tx_err_total;
+}
+
+static void
+eth_stats_reset(struct rte_eth_dev *dev)
+{
+ unsigned i;
+ struct pmd_internals *internal;
+
+ if (dev == NULL)
+ return;
+
+ internal = dev->data->dev_private;
+ for (i = 0; i < internal->nb_rx_queues; i++)
+ internal->rx_null_queues[i].rx_pkts.cnt = 0;
+ for (i = 0; i < internal->nb_tx_queues; i++) {
+ internal->tx_null_queues[i].tx_pkts.cnt = 0;
+ internal->tx_null_queues[i].err_pkts.cnt = 0;
+ }
+}
+
+static struct eth_driver rte_null_pmd = {
+ .pci_drv = {
+ .name = "rte_null_pmd",
+ .drv_flags = RTE_PCI_DRV_DETACHABLE,
+ },
+};
+
+static void
+eth_queue_release(void *q)
+{
+ struct null_queue *nq;
+
+ if (q == NULL)
+ return;
+
+ nq = q;
+ rte_free(nq->dummy_packet);
+}
+
+static int
+eth_link_update(struct rte_eth_dev *dev __rte_unused,
+ int wait_to_complete __rte_unused) { return 0; }
+
+static const struct eth_dev_ops ops = {
+ .dev_start = eth_dev_start,
+ .dev_stop = eth_dev_stop,
+ .dev_configure = eth_dev_configure,
+ .dev_infos_get = eth_dev_info,
+ .rx_queue_setup = eth_rx_queue_setup,
+ .tx_queue_setup = eth_tx_queue_setup,
+ .rx_queue_release = eth_queue_release,
+ .tx_queue_release = eth_queue_release,
+ .link_update = eth_link_update,
+ .stats_get = eth_stats_get,
+ .stats_reset = eth_stats_reset,
+};
+
+static int
+eth_dev_null_create(const char *name,
+ const unsigned numa_node,
+ unsigned packet_size,
+ unsigned packet_copy)
+{
+ const unsigned nb_rx_queues = 1;
+ const unsigned nb_tx_queues = 1;
+ struct rte_eth_dev_data *data = NULL;
+ struct rte_pci_device *pci_dev = NULL;
+ struct pmd_internals *internals = NULL;
+ struct rte_eth_dev *eth_dev = NULL;
+
+ if (name == NULL)
+ return -EINVAL;
+
+ RTE_LOG(INFO, PMD, "Creating null ethdev on numa socket %u\n",
+ numa_node);
+
+ /* now do all data allocation - for eth_dev structure, dummy pci driver
+ * and internal (private) data
+ */
+ data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
+ if (data == NULL)
+ goto error;
+
+ pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, numa_node);
+ if (pci_dev == NULL)
+ goto error;
+
+ internals = rte_zmalloc_socket(name, sizeof(*internals), 0, numa_node);
+ if (internals == NULL)
+ goto error;
+
+ /* reserve an ethdev entry */
+ eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
+ if (eth_dev == NULL)
+ goto error;
+
+ /* now put it all together
+ * - store queue data in internals,
+ * - store numa_node info in pci_driver
+ * - point eth_dev_data to internals and pci_driver
+ * - and point eth_dev structure to new eth_dev_data structure
+ */
+ /* NOTE: we'll replace the data element, of originally allocated eth_dev
+ * so the nulls are local per-process */
+
+ internals->nb_rx_queues = nb_rx_queues;
+ internals->nb_tx_queues = nb_tx_queues;
+ internals->packet_size = packet_size;
+ internals->packet_copy = packet_copy;
+ internals->numa_node = numa_node;
+
+ pci_dev->numa_node = numa_node;
+
+ data->dev_private = internals;
+ data->port_id = eth_dev->data->port_id;
+ data->nb_rx_queues = (uint16_t)nb_rx_queues;
+ data->nb_tx_queues = (uint16_t)nb_tx_queues;
+ data->dev_link = pmd_link;
+ data->mac_addrs = ð_addr;
+ strncpy(data->name, eth_dev->data->name, strlen(eth_dev->data->name));
+
+ eth_dev->data = data;
+ eth_dev->dev_ops = &ops;
+ eth_dev->pci_dev = pci_dev;
+ eth_dev->driver = &rte_null_pmd;
+
+ /* finally assign rx and tx ops */
+ if (packet_copy) {
+ eth_dev->rx_pkt_burst = eth_null_copy_rx;
+ eth_dev->tx_pkt_burst = eth_null_copy_tx;
+ } else {
+ eth_dev->rx_pkt_burst = eth_null_rx;
+ eth_dev->tx_pkt_burst = eth_null_tx;
+ }
+
+ return 0;
+
+error:
+ rte_free(data);
+ rte_free(pci_dev);
+ rte_free(internals);
+
+ return -1;
+}
+
+static inline int
+get_packet_size_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ const char *a = value;
+ unsigned *packet_size = extra_args;
+
+ if ((value == NULL) || (extra_args == NULL))
+ return -EINVAL;
+
+ *packet_size = (unsigned)strtoul(a, NULL, 0);
+ if (*packet_size == UINT_MAX)
+ return -1;
+
+ return 0;
+}
+
+static inline int
+get_packet_copy_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ const char *a = value;
+ unsigned *packet_copy = extra_args;
+
+ if ((value == NULL) || (extra_args == NULL))
+ return -EINVAL;
+
+ *packet_copy = (unsigned)strtoul(a, NULL, 0);
+ if (*packet_copy == UINT_MAX)
+ return -1;
+
+ return 0;
+}
+
+static int
+rte_pmd_null_devinit(const char *name, const char *params)
+{
+ unsigned numa_node;
+ unsigned packet_size = default_packet_size;
+ unsigned packet_copy = default_packet_copy;
+ struct rte_kvargs *kvlist = NULL;
+ int ret;
+
+ if (name == NULL)
+ return -EINVAL;
+
+ RTE_LOG(INFO, PMD, "Initializing pmd_null for %s\n", name);
+
+ numa_node = rte_socket_id();
+
+ if (params != NULL) {
+ kvlist = rte_kvargs_parse(params, valid_arguments);
+ if (kvlist == NULL)
+ return -1;
+
+ if (rte_kvargs_count(kvlist, ETH_NULL_PACKET_SIZE_ARG) == 1) {
+
+ ret = rte_kvargs_process(kvlist,
+ ETH_NULL_PACKET_SIZE_ARG,
+ &get_packet_size_arg, &packet_size);
+ if (ret < 0)
+ goto free_kvlist;
+ }
+
+ if (rte_kvargs_count(kvlist, ETH_NULL_PACKET_COPY_ARG) == 1) {
+
+ ret = rte_kvargs_process(kvlist,
+ ETH_NULL_PACKET_COPY_ARG,
+ &get_packet_copy_arg, &packet_copy);
+ if (ret < 0)
+ goto free_kvlist;
+ }
+ }
+
+ RTE_LOG(INFO, PMD, "Configure pmd_null: packet size is %d, "
+ "packet copy is %s\n", packet_size,
+ packet_copy ? "enabled" : "disabled");
+
+ ret = eth_dev_null_create(name, numa_node, packet_size, packet_copy);
+
+free_kvlist:
+ if (kvlist)
+ rte_kvargs_free(kvlist);
+ return ret;
+}
+
+static int
+rte_pmd_null_devuninit(const char *name)
+{
+ struct rte_eth_dev *eth_dev = NULL;
+
+ if (name == NULL)
+ return -EINVAL;
+
+ RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n",
+ rte_socket_id());
+
+ /* reserve an ethdev entry */
+ eth_dev = rte_eth_dev_allocated(name);
+ if (eth_dev == NULL)
+ return -1;
+
+ rte_free(eth_dev->data->dev_private);
+ rte_free(eth_dev->data);
+ rte_free(eth_dev->pci_dev);
+
+ rte_eth_dev_release_port(eth_dev);
+
+ return 0;
+}
+
+static struct rte_driver pmd_null_drv = {
+ .name = "eth_null",
+ .type = PMD_VDEV,
+ .init = rte_pmd_null_devinit,
+ .uninit = rte_pmd_null_devuninit,
+};
+
+PMD_REGISTER_DRIVER(pmd_null_drv);
--- /dev/null
+DPDK_2.0 {
+
+ local: *;
+};
DIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += librte_pmd_vmxnet3
DIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += librte_pmd_xenvirt
DIRS-$(CONFIG_RTE_LIBRTE_VHOST) += librte_vhost
-DIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += librte_pmd_null
DIRS-$(CONFIG_RTE_LIBRTE_HASH) += librte_hash
DIRS-$(CONFIG_RTE_LIBRTE_LPM) += librte_lpm
DIRS-$(CONFIG_RTE_LIBRTE_ACL) += librte_acl
+++ /dev/null
-# BSD LICENSE
-#
-# Copyright (C) IGEL Co.,Ltd.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of IGEL Co.,Ltd. nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-#
-# library name
-#
-LIB = librte_pmd_null.a
-
-CFLAGS += -O3
-CFLAGS += $(WERROR_FLAGS)
-
-EXPORT_MAP := rte_pmd_null_version.map
-
-LIBABIVER := 1
-
-#
-# all source are stored in SRCS-y
-#
-SRCS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += rte_eth_null.c
-
-#
-# Export include files
-#
-SYMLINK-y-include +=
-
-# this lib depends upon:
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_ether
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_malloc
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_kvargs
-
-include $(RTE_SDK)/mk/rte.lib.mk
+++ /dev/null
-/*-
- * BSD LICENSE
- *
- * Copyright (C) IGEL Co.,Ltd.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of IGEL Co.,Ltd. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <rte_mbuf.h>
-#include <rte_ethdev.h>
-#include <rte_malloc.h>
-#include <rte_memcpy.h>
-#include <rte_dev.h>
-#include <rte_kvargs.h>
-
-#define ETH_NULL_PACKET_SIZE_ARG "size"
-#define ETH_NULL_PACKET_COPY_ARG "copy"
-
-static unsigned default_packet_size = 64;
-static unsigned default_packet_copy;
-
-static const char *valid_arguments[] = {
- ETH_NULL_PACKET_SIZE_ARG,
- ETH_NULL_PACKET_COPY_ARG,
- NULL
-};
-
-struct pmd_internals;
-
-struct null_queue {
- struct pmd_internals *internals;
-
- struct rte_mempool *mb_pool;
- struct rte_mbuf *dummy_packet;
-
- rte_atomic64_t rx_pkts;
- rte_atomic64_t tx_pkts;
- rte_atomic64_t err_pkts;
-};
-
-struct pmd_internals {
- unsigned packet_size;
- unsigned packet_copy;
- unsigned numa_node;
-
- unsigned nb_rx_queues;
- unsigned nb_tx_queues;
-
- struct null_queue rx_null_queues[1];
- struct null_queue tx_null_queues[1];
-};
-
-
-static struct ether_addr eth_addr = { .addr_bytes = {0} };
-static const char *drivername = "Null PMD";
-static struct rte_eth_link pmd_link = {
- .link_speed = 10000,
- .link_duplex = ETH_LINK_FULL_DUPLEX,
- .link_status = 0
-};
-
-static uint16_t
-eth_null_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
-{
- int i;
- struct null_queue *h = q;
- unsigned packet_size;
-
- if ((q == NULL) || (bufs == NULL))
- return 0;
-
- packet_size = h->internals->packet_size;
- for (i = 0; i < nb_bufs; i++) {
- bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
- if (!bufs[i])
- break;
- bufs[i]->data_len = (uint16_t)packet_size;
- bufs[i]->pkt_len = packet_size;
- bufs[i]->nb_segs = 1;
- bufs[i]->next = NULL;
- }
-
- rte_atomic64_add(&(h->rx_pkts), i);
-
- return i;
-}
-
-static uint16_t
-eth_null_copy_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
-{
- int i;
- struct null_queue *h = q;
- unsigned packet_size;
-
- if ((q == NULL) || (bufs == NULL))
- return 0;
-
- packet_size = h->internals->packet_size;
- for (i = 0; i < nb_bufs; i++) {
- bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
- if (!bufs[i])
- break;
- rte_memcpy(rte_pktmbuf_mtod(bufs[i], void *), h->dummy_packet,
- packet_size);
- bufs[i]->data_len = (uint16_t)packet_size;
- bufs[i]->pkt_len = packet_size;
- bufs[i]->nb_segs = 1;
- bufs[i]->next = NULL;
- }
-
- rte_atomic64_add(&(h->rx_pkts), i);
-
- return i;
-}
-
-static uint16_t
-eth_null_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
-{
- int i;
- struct null_queue *h = q;
-
- if ((q == NULL) || (bufs == NULL))
- return 0;
-
- for (i = 0; i < nb_bufs; i++)
- rte_pktmbuf_free(bufs[i]);
-
- rte_atomic64_add(&(h->tx_pkts), i);
-
- return i;
-}
-
-static uint16_t
-eth_null_copy_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
-{
- int i;
- struct null_queue *h = q;
- unsigned packet_size;
-
- if ((q == NULL) || (bufs == NULL))
- return 0;
-
- packet_size = h->internals->packet_size;
- for (i = 0; i < nb_bufs; i++) {
- rte_memcpy(h->dummy_packet, rte_pktmbuf_mtod(bufs[i], void *),
- packet_size);
- rte_pktmbuf_free(bufs[i]);
- }
-
- rte_atomic64_add(&(h->tx_pkts), i);
-
- return i;
-}
-
-static int
-eth_dev_configure(struct rte_eth_dev *dev __rte_unused) { return 0; }
-
-static int
-eth_dev_start(struct rte_eth_dev *dev)
-{
- if (dev == NULL)
- return -EINVAL;
-
- dev->data->dev_link.link_status = 1;
- return 0;
-}
-
-static void
-eth_dev_stop(struct rte_eth_dev *dev)
-{
- if (dev == NULL)
- return;
-
- dev->data->dev_link.link_status = 0;
-}
-
-static int
-eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
- uint16_t nb_rx_desc __rte_unused,
- unsigned int socket_id __rte_unused,
- const struct rte_eth_rxconf *rx_conf __rte_unused,
- struct rte_mempool *mb_pool)
-{
- struct rte_mbuf *dummy_packet;
- struct pmd_internals *internals;
- unsigned packet_size;
-
- if ((dev == NULL) || (mb_pool == NULL))
- return -EINVAL;
-
- if (rx_queue_id != 0)
- return -ENODEV;
-
- internals = dev->data->dev_private;
- packet_size = internals->packet_size;
-
- internals->rx_null_queues[rx_queue_id].mb_pool = mb_pool;
- dev->data->rx_queues[rx_queue_id] =
- &internals->rx_null_queues[rx_queue_id];
- dummy_packet = rte_zmalloc_socket(NULL,
- packet_size, 0, internals->numa_node);
- if (dummy_packet == NULL)
- return -ENOMEM;
-
- internals->rx_null_queues[rx_queue_id].internals = internals;
- internals->rx_null_queues[rx_queue_id].dummy_packet = dummy_packet;
-
- return 0;
-}
-
-static int
-eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
- uint16_t nb_tx_desc __rte_unused,
- unsigned int socket_id __rte_unused,
- const struct rte_eth_txconf *tx_conf __rte_unused)
-{
- struct rte_mbuf *dummy_packet;
- struct pmd_internals *internals;
- unsigned packet_size;
-
- if (dev == NULL)
- return -EINVAL;
-
- if (tx_queue_id != 0)
- return -ENODEV;
-
- internals = dev->data->dev_private;
- packet_size = internals->packet_size;
-
- dev->data->tx_queues[tx_queue_id] =
- &internals->tx_null_queues[tx_queue_id];
- dummy_packet = rte_zmalloc_socket(NULL,
- packet_size, 0, internals->numa_node);
- if (dummy_packet == NULL)
- return -ENOMEM;
-
- internals->tx_null_queues[tx_queue_id].internals = internals;
- internals->tx_null_queues[tx_queue_id].dummy_packet = dummy_packet;
-
- return 0;
-}
-
-
-static void
-eth_dev_info(struct rte_eth_dev *dev,
- struct rte_eth_dev_info *dev_info)
-{
- struct pmd_internals *internals;
-
- if ((dev == NULL) || (dev_info == NULL))
- return;
-
- internals = dev->data->dev_private;
- dev_info->driver_name = drivername;
- dev_info->max_mac_addrs = 1;
- dev_info->max_rx_pktlen = (uint32_t)-1;
- dev_info->max_rx_queues = (uint16_t)internals->nb_rx_queues;
- dev_info->max_tx_queues = (uint16_t)internals->nb_tx_queues;
- dev_info->min_rx_bufsize = 0;
- dev_info->pci_dev = NULL;
-}
-
-static void
-eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
-{
- unsigned i, num_stats;
- unsigned long rx_total = 0, tx_total = 0, tx_err_total = 0;
- const struct pmd_internals *internal;
-
- if ((dev == NULL) || (igb_stats == NULL))
- return;
-
- internal = dev->data->dev_private;
- memset(igb_stats, 0, sizeof(*igb_stats));
- num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
- internal->nb_rx_queues);
- for (i = 0; i < num_stats; i++) {
- igb_stats->q_ipackets[i] =
- internal->rx_null_queues[i].rx_pkts.cnt;
- rx_total += igb_stats->q_ipackets[i];
- }
-
- num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
- internal->nb_tx_queues);
- for (i = 0; i < num_stats; i++) {
- igb_stats->q_opackets[i] =
- internal->tx_null_queues[i].tx_pkts.cnt;
- igb_stats->q_errors[i] =
- internal->tx_null_queues[i].err_pkts.cnt;
- tx_total += igb_stats->q_opackets[i];
- tx_err_total += igb_stats->q_errors[i];
- }
-
- igb_stats->ipackets = rx_total;
- igb_stats->opackets = tx_total;
- igb_stats->oerrors = tx_err_total;
-}
-
-static void
-eth_stats_reset(struct rte_eth_dev *dev)
-{
- unsigned i;
- struct pmd_internals *internal;
-
- if (dev == NULL)
- return;
-
- internal = dev->data->dev_private;
- for (i = 0; i < internal->nb_rx_queues; i++)
- internal->rx_null_queues[i].rx_pkts.cnt = 0;
- for (i = 0; i < internal->nb_tx_queues; i++) {
- internal->tx_null_queues[i].tx_pkts.cnt = 0;
- internal->tx_null_queues[i].err_pkts.cnt = 0;
- }
-}
-
-static struct eth_driver rte_null_pmd = {
- .pci_drv = {
- .name = "rte_null_pmd",
- .drv_flags = RTE_PCI_DRV_DETACHABLE,
- },
-};
-
-static void
-eth_queue_release(void *q)
-{
- struct null_queue *nq;
-
- if (q == NULL)
- return;
-
- nq = q;
- rte_free(nq->dummy_packet);
-}
-
-static int
-eth_link_update(struct rte_eth_dev *dev __rte_unused,
- int wait_to_complete __rte_unused) { return 0; }
-
-static const struct eth_dev_ops ops = {
- .dev_start = eth_dev_start,
- .dev_stop = eth_dev_stop,
- .dev_configure = eth_dev_configure,
- .dev_infos_get = eth_dev_info,
- .rx_queue_setup = eth_rx_queue_setup,
- .tx_queue_setup = eth_tx_queue_setup,
- .rx_queue_release = eth_queue_release,
- .tx_queue_release = eth_queue_release,
- .link_update = eth_link_update,
- .stats_get = eth_stats_get,
- .stats_reset = eth_stats_reset,
-};
-
-static int
-eth_dev_null_create(const char *name,
- const unsigned numa_node,
- unsigned packet_size,
- unsigned packet_copy)
-{
- const unsigned nb_rx_queues = 1;
- const unsigned nb_tx_queues = 1;
- struct rte_eth_dev_data *data = NULL;
- struct rte_pci_device *pci_dev = NULL;
- struct pmd_internals *internals = NULL;
- struct rte_eth_dev *eth_dev = NULL;
-
- if (name == NULL)
- return -EINVAL;
-
- RTE_LOG(INFO, PMD, "Creating null ethdev on numa socket %u\n",
- numa_node);
-
- /* now do all data allocation - for eth_dev structure, dummy pci driver
- * and internal (private) data
- */
- data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
- if (data == NULL)
- goto error;
-
- pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, numa_node);
- if (pci_dev == NULL)
- goto error;
-
- internals = rte_zmalloc_socket(name, sizeof(*internals), 0, numa_node);
- if (internals == NULL)
- goto error;
-
- /* reserve an ethdev entry */
- eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
- if (eth_dev == NULL)
- goto error;
-
- /* now put it all together
- * - store queue data in internals,
- * - store numa_node info in pci_driver
- * - point eth_dev_data to internals and pci_driver
- * - and point eth_dev structure to new eth_dev_data structure
- */
- /* NOTE: we'll replace the data element, of originally allocated eth_dev
- * so the nulls are local per-process */
-
- internals->nb_rx_queues = nb_rx_queues;
- internals->nb_tx_queues = nb_tx_queues;
- internals->packet_size = packet_size;
- internals->packet_copy = packet_copy;
- internals->numa_node = numa_node;
-
- pci_dev->numa_node = numa_node;
-
- data->dev_private = internals;
- data->port_id = eth_dev->data->port_id;
- data->nb_rx_queues = (uint16_t)nb_rx_queues;
- data->nb_tx_queues = (uint16_t)nb_tx_queues;
- data->dev_link = pmd_link;
- data->mac_addrs = ð_addr;
- strncpy(data->name, eth_dev->data->name, strlen(eth_dev->data->name));
-
- eth_dev->data = data;
- eth_dev->dev_ops = &ops;
- eth_dev->pci_dev = pci_dev;
- eth_dev->driver = &rte_null_pmd;
-
- /* finally assign rx and tx ops */
- if (packet_copy) {
- eth_dev->rx_pkt_burst = eth_null_copy_rx;
- eth_dev->tx_pkt_burst = eth_null_copy_tx;
- } else {
- eth_dev->rx_pkt_burst = eth_null_rx;
- eth_dev->tx_pkt_burst = eth_null_tx;
- }
-
- return 0;
-
-error:
- rte_free(data);
- rte_free(pci_dev);
- rte_free(internals);
-
- return -1;
-}
-
-static inline int
-get_packet_size_arg(const char *key __rte_unused,
- const char *value, void *extra_args)
-{
- const char *a = value;
- unsigned *packet_size = extra_args;
-
- if ((value == NULL) || (extra_args == NULL))
- return -EINVAL;
-
- *packet_size = (unsigned)strtoul(a, NULL, 0);
- if (*packet_size == UINT_MAX)
- return -1;
-
- return 0;
-}
-
-static inline int
-get_packet_copy_arg(const char *key __rte_unused,
- const char *value, void *extra_args)
-{
- const char *a = value;
- unsigned *packet_copy = extra_args;
-
- if ((value == NULL) || (extra_args == NULL))
- return -EINVAL;
-
- *packet_copy = (unsigned)strtoul(a, NULL, 0);
- if (*packet_copy == UINT_MAX)
- return -1;
-
- return 0;
-}
-
-static int
-rte_pmd_null_devinit(const char *name, const char *params)
-{
- unsigned numa_node;
- unsigned packet_size = default_packet_size;
- unsigned packet_copy = default_packet_copy;
- struct rte_kvargs *kvlist = NULL;
- int ret;
-
- if (name == NULL)
- return -EINVAL;
-
- RTE_LOG(INFO, PMD, "Initializing pmd_null for %s\n", name);
-
- numa_node = rte_socket_id();
-
- if (params != NULL) {
- kvlist = rte_kvargs_parse(params, valid_arguments);
- if (kvlist == NULL)
- return -1;
-
- if (rte_kvargs_count(kvlist, ETH_NULL_PACKET_SIZE_ARG) == 1) {
-
- ret = rte_kvargs_process(kvlist,
- ETH_NULL_PACKET_SIZE_ARG,
- &get_packet_size_arg, &packet_size);
- if (ret < 0)
- goto free_kvlist;
- }
-
- if (rte_kvargs_count(kvlist, ETH_NULL_PACKET_COPY_ARG) == 1) {
-
- ret = rte_kvargs_process(kvlist,
- ETH_NULL_PACKET_COPY_ARG,
- &get_packet_copy_arg, &packet_copy);
- if (ret < 0)
- goto free_kvlist;
- }
- }
-
- RTE_LOG(INFO, PMD, "Configure pmd_null: packet size is %d, "
- "packet copy is %s\n", packet_size,
- packet_copy ? "enabled" : "disabled");
-
- ret = eth_dev_null_create(name, numa_node, packet_size, packet_copy);
-
-free_kvlist:
- if (kvlist)
- rte_kvargs_free(kvlist);
- return ret;
-}
-
-static int
-rte_pmd_null_devuninit(const char *name)
-{
- struct rte_eth_dev *eth_dev = NULL;
-
- if (name == NULL)
- return -EINVAL;
-
- RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n",
- rte_socket_id());
-
- /* reserve an ethdev entry */
- eth_dev = rte_eth_dev_allocated(name);
- if (eth_dev == NULL)
- return -1;
-
- rte_free(eth_dev->data->dev_private);
- rte_free(eth_dev->data);
- rte_free(eth_dev->pci_dev);
-
- rte_eth_dev_release_port(eth_dev);
-
- return 0;
-}
-
-static struct rte_driver pmd_null_drv = {
- .name = "eth_null",
- .type = PMD_VDEV,
- .init = rte_pmd_null_devinit,
- .uninit = rte_pmd_null_devuninit,
-};
-
-PMD_REGISTER_DRIVER(pmd_null_drv);
+++ /dev/null
-DPDK_2.0 {
-
- local: *;
-};
git.droids-corp.org / dpdk.git / commitdiff