net/avp: support driver registration
Adds the initial framework for registering the driver against the support PCI device identifiers. Signed-off-by: Allain Legacy <allain.legacy@windriver.com> Signed-off-by: Matt Peters <matt.peters@windriver.com> Acked-by: Vincent Jardin <vincent.jardin@6wind.com>
This commit is contained in:
Allain Legacy
Ferruh Yigit
parent
8c7bb9c991
commit
908072e9d0
@ -44,6 +44,7 @@ CONFIG_RTE_LIBRTE_VHOST=y
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CONFIG_RTE_LIBRTE_PMD_VHOST=y
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CONFIG_RTE_LIBRTE_PMD_AF_PACKET=y
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CONFIG_RTE_LIBRTE_PMD_TAP=y
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CONFIG_RTE_LIBRTE_AVP_PMD=y
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CONFIG_RTE_LIBRTE_NFP_PMD=y
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CONFIG_RTE_LIBRTE_POWER=y
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CONFIG_RTE_VIRTIO_USER=y
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@ -75,3 +75,8 @@ CONFIG_RTE_LIBRTE_PMD_KASUMI=n
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# ZUC PMD is not supported on 32-bit
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#
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CONFIG_RTE_LIBRTE_PMD_ZUC=n
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#
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# AVP PMD is not supported on 32-bit
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#
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CONFIG_RTE_LIBRTE_AVP_PMD=n
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@ -75,3 +75,8 @@ CONFIG_RTE_LIBRTE_PMD_KASUMI=n
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# ZUC PMD is not supported on 32-bit
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#
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CONFIG_RTE_LIBRTE_PMD_ZUC=n
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#
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# AVP PMD is not supported on 32-bit
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#
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CONFIG_RTE_LIBRTE_AVP_PMD=n
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@ -50,3 +50,8 @@ CONFIG_RTE_LIBRTE_KNI=n
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# Solarflare PMD is not supported on 32-bit
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#
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CONFIG_RTE_LIBRTE_SFC_EFX_PMD=n
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#
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# AVP PMD is not supported on 32-bit
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#
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CONFIG_RTE_LIBRTE_AVP_PMD=n
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@ -49,4 +49,9 @@ LIBABIVER := 1
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SYMLINK-$(CONFIG_RTE_LIBRTE_AVP_PMD)-include += rte_avp_common.h
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SYMLINK-$(CONFIG_RTE_LIBRTE_AVP_PMD)-include += rte_avp_fifo.h
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#
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# all source files are stored in SRCS-y
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#
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SRCS-$(CONFIG_RTE_LIBRTE_AVP_PMD) += avp_ethdev.c
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include $(RTE_SDK)/mk/rte.lib.mk
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202
drivers/net/avp/avp_ethdev.c
Normal file
202
drivers/net/avp/avp_ethdev.c
Normal file
@ -0,0 +1,202 @@
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/*
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* BSD LICENSE
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*
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* Copyright (c) 2013-2017, Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <rte_ethdev.h>
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#include <rte_memcpy.h>
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#include <rte_string_fns.h>
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#include <rte_memzone.h>
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#include <rte_malloc.h>
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#include <rte_atomic.h>
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#include <rte_branch_prediction.h>
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#include <rte_pci.h>
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#include <rte_ether.h>
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#include <rte_common.h>
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#include <rte_cycles.h>
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#include <rte_byteorder.h>
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#include <rte_dev.h>
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#include <rte_memory.h>
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#include <rte_eal.h>
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#include "rte_avp_common.h"
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#include "rte_avp_fifo.h"
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#include "avp_logs.h"
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#define AVP_DEV_TO_PCI(eth_dev) RTE_DEV_TO_PCI((eth_dev)->device)
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#define AVP_MAX_MAC_ADDRS 1
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#define AVP_MIN_RX_BUFSIZE ETHER_MIN_LEN
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/*
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* Defines the number of microseconds to wait before checking the response
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* queue for completion.
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*/
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#define AVP_REQUEST_DELAY_USECS (5000)
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/*
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* Defines the number times to check the response queue for completion before
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* declaring a timeout.
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*/
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#define AVP_MAX_REQUEST_RETRY (100)
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/* Defines the current PCI driver version number */
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#define AVP_DPDK_DRIVER_VERSION RTE_AVP_CURRENT_GUEST_VERSION
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/*
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* The set of PCI devices this driver supports
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*/
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static const struct rte_pci_id pci_id_avp_map[] = {
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{ .vendor_id = RTE_AVP_PCI_VENDOR_ID,
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.device_id = RTE_AVP_PCI_DEVICE_ID,
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.subsystem_vendor_id = RTE_AVP_PCI_SUB_VENDOR_ID,
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.subsystem_device_id = RTE_AVP_PCI_SUB_DEVICE_ID,
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.class_id = RTE_CLASS_ANY_ID,
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},
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{ .vendor_id = 0, /* sentinel */
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},
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};
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/*
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* Defines the AVP device attributes which are attached to an RTE ethernet
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* device
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*/
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struct avp_dev {
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uint32_t magic; /**< Memory validation marker */
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uint64_t device_id; /**< Unique system identifier */
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struct ether_addr ethaddr; /**< Host specified MAC address */
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struct rte_eth_dev_data *dev_data;
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/**< Back pointer to ethernet device data */
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volatile uint32_t flags; /**< Device operational flags */
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uint8_t port_id; /**< Ethernet port identifier */
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struct rte_mempool *pool; /**< pkt mbuf mempool */
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unsigned int guest_mbuf_size; /**< local pool mbuf size */
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unsigned int host_mbuf_size; /**< host mbuf size */
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unsigned int max_rx_pkt_len; /**< maximum receive unit */
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uint32_t host_features; /**< Supported feature bitmap */
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uint32_t features; /**< Enabled feature bitmap */
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unsigned int num_tx_queues; /**< Negotiated number of transmit queues */
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unsigned int max_tx_queues; /**< Maximum number of transmit queues */
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unsigned int num_rx_queues; /**< Negotiated number of receive queues */
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unsigned int max_rx_queues; /**< Maximum number of receive queues */
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struct rte_avp_fifo *tx_q[RTE_AVP_MAX_QUEUES]; /**< TX queue */
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struct rte_avp_fifo *rx_q[RTE_AVP_MAX_QUEUES]; /**< RX queue */
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struct rte_avp_fifo *alloc_q[RTE_AVP_MAX_QUEUES];
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/**< Allocated mbufs queue */
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struct rte_avp_fifo *free_q[RTE_AVP_MAX_QUEUES];
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/**< To be freed mbufs queue */
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/* For request & response */
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struct rte_avp_fifo *req_q; /**< Request queue */
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struct rte_avp_fifo *resp_q; /**< Response queue */
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void *host_sync_addr; /**< (host) Req/Resp Mem address */
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void *sync_addr; /**< Req/Resp Mem address */
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void *host_mbuf_addr; /**< (host) MBUF pool start address */
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void *mbuf_addr; /**< MBUF pool start address */
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} __rte_cache_aligned;
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/* RTE ethernet private data */
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struct avp_adapter {
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struct avp_dev avp;
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} __rte_cache_aligned;
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/* Macro to cast the ethernet device private data to a AVP object */
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#define AVP_DEV_PRIVATE_TO_HW(adapter) \
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(&((struct avp_adapter *)adapter)->avp)
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/*
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* This function is based on probe() function in avp_pci.c
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* It returns 0 on success.
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*/
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static int
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eth_avp_dev_init(struct rte_eth_dev *eth_dev)
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{
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struct rte_pci_device *pci_dev;
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pci_dev = AVP_DEV_TO_PCI(eth_dev);
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if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
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/*
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* no setup required on secondary processes. All data is saved
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* in dev_private by the primary process. All resource should
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* be mapped to the same virtual address so all pointers should
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* be valid.
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*/
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return 0;
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}
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rte_eth_copy_pci_info(eth_dev, pci_dev);
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eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
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return 0;
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}
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static int
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eth_avp_dev_uninit(struct rte_eth_dev *eth_dev)
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{
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if (rte_eal_process_type() != RTE_PROC_PRIMARY)
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return -EPERM;
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if (eth_dev->data == NULL)
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return 0;
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return 0;
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}
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static struct eth_driver rte_avp_pmd = {
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{
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.id_table = pci_id_avp_map,
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.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
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.probe = rte_eth_dev_pci_probe,
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.remove = rte_eth_dev_pci_remove,
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},
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.eth_dev_init = eth_avp_dev_init,
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.eth_dev_uninit = eth_avp_dev_uninit,
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.dev_private_size = sizeof(struct avp_adapter),
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};
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RTE_PMD_REGISTER_PCI(net_avp, rte_avp_pmd.pci_drv);
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RTE_PMD_REGISTER_PCI_TABLE(net_avp, pci_id_avp_map);
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@ -104,6 +104,7 @@ _LDLIBS-$(CONFIG_RTE_DRIVER_MEMPOOL_RING) += -lrte_mempool_ring
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_LDLIBS-$(CONFIG_RTE_DRIVER_MEMPOOL_STACK) += -lrte_mempool_stack
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_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += -lrte_pmd_af_packet
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_LDLIBS-$(CONFIG_RTE_LIBRTE_AVP_PMD) += -lrte_pmd_avp
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_LDLIBS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD) += -lrte_pmd_bnx2x -lz
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_LDLIBS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += -lrte_pmd_bnxt
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_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += -lrte_pmd_bond
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