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Diffstat (limited to 'src/dpdk22/drivers/net/null/rte_eth_null.c')
-rw-r--r--src/dpdk22/drivers/net/null/rte_eth_null.c703
1 files changed, 0 insertions, 703 deletions
diff --git a/src/dpdk22/drivers/net/null/rte_eth_null.c b/src/dpdk22/drivers/net/null/rte_eth_null.c
deleted file mode 100644
index 77fc9883..00000000
--- a/src/dpdk22/drivers/net/null/rte_eth_null.c
+++ /dev/null
@@ -1,703 +0,0 @@
-/*-
- * 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>
-#include <rte_spinlock.h>
-
-#include "rte_eth_null.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[RTE_MAX_QUEUES_PER_PORT];
- struct null_queue tx_null_queues[RTE_MAX_QUEUES_PER_PORT];
-
- /** Bit mask of RSS offloads, the bit offset also means flow type */
- uint64_t flow_type_rss_offloads;
-
- rte_spinlock_t rss_lock;
-
- uint16_t reta_size;
- struct rte_eth_rss_reta_entry64 reta_conf[ETH_RSS_RETA_SIZE_128 /
- RTE_RETA_GROUP_SIZE];
-
- uint8_t rss_key[40]; /**< 40-byte hash key. */
-};
-
-
-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) {
- struct pmd_internals *internals;
-
- internals = dev->data->dev_private;
- internals->nb_rx_queues = dev->data->nb_rx_queues;
- internals->nb_tx_queues = dev->data->nb_tx_queues;
-
- 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;
-
- internals = dev->data->dev_private;
-
- if (rx_queue_id >= internals->nb_rx_queues)
- return -ENODEV;
-
- 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;
-
- internals = dev->data->dev_private;
-
- if (tx_queue_id >= internals->nb_tx_queues)
- return -ENODEV;
-
- 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 = RTE_DIM(internals->rx_null_queues);
- dev_info->max_tx_queues = RTE_DIM(internals->tx_null_queues);
- dev_info->min_rx_bufsize = 0;
- dev_info->pci_dev = NULL;
- dev_info->reta_size = internals->reta_size;
- dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
-}
-
-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;
- num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
- RTE_MIN(internal->nb_rx_queues,
- RTE_DIM(internal->rx_null_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,
- RTE_MIN(internal->nb_tx_queues,
- RTE_DIM(internal->tx_null_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 < RTE_DIM(internal->rx_null_queues); i++)
- internal->rx_null_queues[i].rx_pkts.cnt = 0;
- for (i = 0; i < RTE_DIM(internal->tx_null_queues); i++) {
- internal->tx_null_queues[i].tx_pkts.cnt = 0;
- internal->tx_null_queues[i].err_pkts.cnt = 0;
- }
-}
-
-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 int
-eth_rss_reta_update(struct rte_eth_dev *dev,
- struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
-{
- int i, j;
- struct pmd_internals *internal = dev->data->dev_private;
-
- if (reta_size != internal->reta_size)
- return -EINVAL;
-
- rte_spinlock_lock(&internal->rss_lock);
-
- /* Copy RETA table */
- for (i = 0; i < (internal->reta_size / RTE_RETA_GROUP_SIZE); i++) {
- internal->reta_conf[i].mask = reta_conf[i].mask;
- for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
- if ((reta_conf[i].mask >> j) & 0x01)
- internal->reta_conf[i].reta[j] = reta_conf[i].reta[j];
- }
-
- rte_spinlock_unlock(&internal->rss_lock);
-
- return 0;
-}
-
-static int
-eth_rss_reta_query(struct rte_eth_dev *dev,
- struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
-{
- int i, j;
- struct pmd_internals *internal = dev->data->dev_private;
-
- if (reta_size != internal->reta_size)
- return -EINVAL;
-
- rte_spinlock_lock(&internal->rss_lock);
-
- /* Copy RETA table */
- for (i = 0; i < (internal->reta_size / RTE_RETA_GROUP_SIZE); i++) {
- for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
- if ((reta_conf[i].mask >> j) & 0x01)
- reta_conf[i].reta[j] = internal->reta_conf[i].reta[j];
- }
-
- rte_spinlock_unlock(&internal->rss_lock);
-
- return 0;
-}
-
-static int
-eth_rss_hash_update(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss_conf)
-{
- struct pmd_internals *internal = dev->data->dev_private;
-
- rte_spinlock_lock(&internal->rss_lock);
-
- if ((rss_conf->rss_hf & internal->flow_type_rss_offloads) != 0)
- dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
- rss_conf->rss_hf & internal->flow_type_rss_offloads;
-
- if (rss_conf->rss_key)
- rte_memcpy(internal->rss_key, rss_conf->rss_key, 40);
-
- rte_spinlock_unlock(&internal->rss_lock);
-
- return 0;
-}
-
-static int
-eth_rss_hash_conf_get(struct rte_eth_dev *dev,
- struct rte_eth_rss_conf *rss_conf)
-{
- struct pmd_internals *internal = dev->data->dev_private;
-
- rte_spinlock_lock(&internal->rss_lock);
-
- rss_conf->rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
- if (rss_conf->rss_key)
- rte_memcpy(rss_conf->rss_key, internal->rss_key, 40);
-
- rte_spinlock_unlock(&internal->rss_lock);
-
- 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,
- .reta_update = eth_rss_reta_update,
- .reta_query = eth_rss_reta_query,
- .rss_hash_update = eth_rss_hash_update,
- .rss_hash_conf_get = eth_rss_hash_conf_get
-};
-
-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 pmd_internals *internals = NULL;
- struct rte_eth_dev *eth_dev = NULL;
-
- static const uint8_t default_rss_key[40] = {
- 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 0x41, 0x67, 0x25, 0x3D,
- 0x43, 0xA3, 0x8F, 0xB0, 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
- 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 0x6A, 0x42, 0xB7, 0x3B,
- 0xBE, 0xAC, 0x01, 0xFA
- };
-
- 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;
-
- 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 ethdev data
- * - point eth_dev_data to internals
- * - 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;
-
- internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
- internals->reta_size = RTE_DIM(internals->reta_conf) * RTE_RETA_GROUP_SIZE;
-
- rte_memcpy(internals->rss_key, default_rss_key, 40);
-
- 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 = &eth_addr;
- strncpy(data->name, eth_dev->data->name, strlen(eth_dev->data->name));
-
- eth_dev->data = data;
- eth_dev->dev_ops = &ops;
-
- TAILQ_INIT(&eth_dev->link_intr_cbs);
-
- eth_dev->driver = NULL;
- eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
- eth_dev->data->kdrv = RTE_KDRV_NONE;
- eth_dev->data->drv_name = drivername;
- eth_dev->data->numa_node = numa_node;
-
- /* 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(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());
-
- /* find the 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_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);