diff options
Diffstat (limited to 'src/dpdk22/drivers/net/vmxnet3/vmxnet3_ethdev.c')
| -rw-r--r-- | src/dpdk22/drivers/net/vmxnet3/vmxnet3_ethdev.c | 930 |
1 files changed, 0 insertions, 930 deletions
diff --git a/src/dpdk22/drivers/net/vmxnet3/vmxnet3_ethdev.c b/src/dpdk22/drivers/net/vmxnet3/vmxnet3_ethdev.c deleted file mode 100644 index c363bf60..00000000 --- a/src/dpdk22/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ /dev/null @@ -1,930 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. - * 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 Intel Corporation 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 <sys/queue.h> -#include <stdio.h> -#include <errno.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> -#include <stdarg.h> -#include <fcntl.h> -#include <inttypes.h> -#include <rte_byteorder.h> -#include <rte_common.h> -#include <rte_cycles.h> - -#include <rte_interrupts.h> -#include <rte_log.h> -#include <rte_debug.h> -#include <rte_pci.h> -#include <rte_atomic.h> -#include <rte_branch_prediction.h> -#include <rte_memory.h> -#include <rte_memzone.h> -#include <rte_eal.h> -#include <rte_alarm.h> -#include <rte_ether.h> -#include <rte_ethdev.h> -#include <rte_atomic.h> -#include <rte_string_fns.h> -#include <rte_malloc.h> -#include <rte_dev.h> - -#include "base/vmxnet3_defs.h" - -#include "vmxnet3_ring.h" -#include "vmxnet3_logs.h" -#include "vmxnet3_ethdev.h" - -#define PROCESS_SYS_EVENTS 0 - -static int eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev); -static int eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev); -static int vmxnet3_dev_configure(struct rte_eth_dev *dev); -static int vmxnet3_dev_start(struct rte_eth_dev *dev); -static void vmxnet3_dev_stop(struct rte_eth_dev *dev); -static void vmxnet3_dev_close(struct rte_eth_dev *dev); -static void vmxnet3_dev_set_rxmode(struct vmxnet3_hw *hw, uint32_t feature, int set); -static void vmxnet3_dev_promiscuous_enable(struct rte_eth_dev *dev); -static void vmxnet3_dev_promiscuous_disable(struct rte_eth_dev *dev); -static void vmxnet3_dev_allmulticast_enable(struct rte_eth_dev *dev); -static void vmxnet3_dev_allmulticast_disable(struct rte_eth_dev *dev); -static int vmxnet3_dev_link_update(struct rte_eth_dev *dev, - int wait_to_complete); -static void vmxnet3_dev_stats_get(struct rte_eth_dev *dev, - struct rte_eth_stats *stats); -static void vmxnet3_dev_info_get(struct rte_eth_dev *dev, - struct rte_eth_dev_info *dev_info); -static int vmxnet3_dev_vlan_filter_set(struct rte_eth_dev *dev, - uint16_t vid, int on); -static void vmxnet3_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask); -static void vmxnet3_dev_vlan_offload_set_clear(struct rte_eth_dev *dev, - int mask, int clear); - -#if PROCESS_SYS_EVENTS == 1 -static void vmxnet3_process_events(struct vmxnet3_hw *); -#endif -/* - * The set of PCI devices this driver supports - */ -static const struct rte_pci_id pci_id_vmxnet3_map[] = { - -#define RTE_PCI_DEV_ID_DECL_VMXNET3(vend, dev) {RTE_PCI_DEVICE(vend, dev)}, -#include "rte_pci_dev_ids.h" - -{ .vendor_id = 0, /* sentinel */ }, -}; - -static const struct eth_dev_ops vmxnet3_eth_dev_ops = { - .dev_configure = vmxnet3_dev_configure, - .dev_start = vmxnet3_dev_start, - .dev_stop = vmxnet3_dev_stop, - .dev_close = vmxnet3_dev_close, - .promiscuous_enable = vmxnet3_dev_promiscuous_enable, - .promiscuous_disable = vmxnet3_dev_promiscuous_disable, - .allmulticast_enable = vmxnet3_dev_allmulticast_enable, - .allmulticast_disable = vmxnet3_dev_allmulticast_disable, - .link_update = vmxnet3_dev_link_update, - .stats_get = vmxnet3_dev_stats_get, - .dev_infos_get = vmxnet3_dev_info_get, - .vlan_filter_set = vmxnet3_dev_vlan_filter_set, - .vlan_offload_set = vmxnet3_dev_vlan_offload_set, - .rx_queue_setup = vmxnet3_dev_rx_queue_setup, - .rx_queue_release = vmxnet3_dev_rx_queue_release, - .tx_queue_setup = vmxnet3_dev_tx_queue_setup, - .tx_queue_release = vmxnet3_dev_tx_queue_release, -}; - -static const struct rte_memzone * -gpa_zone_reserve(struct rte_eth_dev *dev, uint32_t size, - const char *post_string, int socket_id, uint16_t align) -{ - char z_name[RTE_MEMZONE_NAMESIZE]; - const struct rte_memzone *mz; - - snprintf(z_name, sizeof(z_name), "%s_%d_%s", - dev->driver->pci_drv.name, dev->data->port_id, post_string); - - mz = rte_memzone_lookup(z_name); - if (mz) - return mz; - - return rte_memzone_reserve_aligned(z_name, size, - socket_id, 0, align); -} - -/** - * Atomically reads the link status information from global - * structure rte_eth_dev. - * - * @param dev - * - Pointer to the structure rte_eth_dev to read from. - * - Pointer to the buffer to be saved with the link status. - * - * @return - * - On success, zero. - * - On failure, negative value. - */ - -static int -vmxnet3_dev_atomic_read_link_status(struct rte_eth_dev *dev, - struct rte_eth_link *link) -{ - struct rte_eth_link *dst = link; - struct rte_eth_link *src = &(dev->data->dev_link); - - if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, - *(uint64_t *)src) == 0) - return -1; - - return 0; -} - -/** - * Atomically writes the link status information into global - * structure rte_eth_dev. - * - * @param dev - * - Pointer to the structure rte_eth_dev to write to. - * - Pointer to the buffer to be saved with the link status. - * - * @return - * - On success, zero. - * - On failure, negative value. - */ -static int -vmxnet3_dev_atomic_write_link_status(struct rte_eth_dev *dev, - struct rte_eth_link *link) -{ - struct rte_eth_link *dst = &(dev->data->dev_link); - struct rte_eth_link *src = link; - - if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, - *(uint64_t *)src) == 0) - return -1; - - return 0; -} - -/* - * This function is based on vmxnet3_disable_intr() - */ -static void -vmxnet3_disable_intr(struct vmxnet3_hw *hw) -{ - int i; - - PMD_INIT_FUNC_TRACE(); - - hw->shared->devRead.intrConf.intrCtrl |= VMXNET3_IC_DISABLE_ALL; - for (i = 0; i < VMXNET3_MAX_INTRS; i++) - VMXNET3_WRITE_BAR0_REG(hw, VMXNET3_REG_IMR + i * 8, 1); -} - -/* - * It returns 0 on success. - */ -static int -eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev) -{ - struct rte_pci_device *pci_dev; - struct vmxnet3_hw *hw = eth_dev->data->dev_private; - uint32_t mac_hi, mac_lo, ver; - - PMD_INIT_FUNC_TRACE(); - - eth_dev->dev_ops = &vmxnet3_eth_dev_ops; - eth_dev->rx_pkt_burst = &vmxnet3_recv_pkts; - eth_dev->tx_pkt_burst = &vmxnet3_xmit_pkts; - pci_dev = eth_dev->pci_dev; - - /* - * for secondary processes, we don't initialize any further as primary - * has already done this work. - */ - if (rte_eal_process_type() != RTE_PROC_PRIMARY) - return 0; - - rte_eth_copy_pci_info(eth_dev, pci_dev); - - /* Vendor and Device ID need to be set before init of shared code */ - hw->device_id = pci_dev->id.device_id; - hw->vendor_id = pci_dev->id.vendor_id; - hw->hw_addr0 = (void *)pci_dev->mem_resource[0].addr; - hw->hw_addr1 = (void *)pci_dev->mem_resource[1].addr; - - hw->num_rx_queues = 1; - hw->num_tx_queues = 1; - hw->bufs_per_pkt = 1; - - /* Check h/w version compatibility with driver. */ - ver = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_VRRS); - PMD_INIT_LOG(DEBUG, "Hardware version : %d", ver); - if (ver & 0x1) - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS, 1); - else { - PMD_INIT_LOG(ERR, "Incompatible h/w version, should be 0x1"); - return -EIO; - } - - /* Check UPT version compatibility with driver. */ - ver = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_UVRS); - PMD_INIT_LOG(DEBUG, "UPT hardware version : %d", ver); - if (ver & 0x1) - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_UVRS, 1); - else { - PMD_INIT_LOG(ERR, "Incompatible UPT version."); - return -EIO; - } - - /* Getting MAC Address */ - mac_lo = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_MACL); - mac_hi = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_MACH); - memcpy(hw->perm_addr , &mac_lo, 4); - memcpy(hw->perm_addr+4, &mac_hi, 2); - - /* Allocate memory for storing MAC addresses */ - eth_dev->data->mac_addrs = rte_zmalloc("vmxnet3", ETHER_ADDR_LEN * - VMXNET3_MAX_MAC_ADDRS, 0); - if (eth_dev->data->mac_addrs == NULL) { - PMD_INIT_LOG(ERR, - "Failed to allocate %d bytes needed to store MAC addresses", - ETHER_ADDR_LEN * VMXNET3_MAX_MAC_ADDRS); - return -ENOMEM; - } - /* Copy the permanent MAC address */ - ether_addr_copy((struct ether_addr *) hw->perm_addr, - ð_dev->data->mac_addrs[0]); - - PMD_INIT_LOG(DEBUG, "MAC Address : %02x:%02x:%02x:%02x:%02x:%02x", - hw->perm_addr[0], hw->perm_addr[1], hw->perm_addr[2], - hw->perm_addr[3], hw->perm_addr[4], hw->perm_addr[5]); - - /* Put device in Quiesce Mode */ - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV); - - return 0; -} - -static int -eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev) -{ - struct vmxnet3_hw *hw = eth_dev->data->dev_private; - - PMD_INIT_FUNC_TRACE(); - - if (rte_eal_process_type() != RTE_PROC_PRIMARY) - return 0; - - if (hw->adapter_stopped == 0) - vmxnet3_dev_close(eth_dev); - - eth_dev->dev_ops = NULL; - eth_dev->rx_pkt_burst = NULL; - eth_dev->tx_pkt_burst = NULL; - - rte_free(eth_dev->data->mac_addrs); - eth_dev->data->mac_addrs = NULL; - - return 0; -} - -static struct eth_driver rte_vmxnet3_pmd = { - .pci_drv = { - .name = "rte_vmxnet3_pmd", - .id_table = pci_id_vmxnet3_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE, - }, - .eth_dev_init = eth_vmxnet3_dev_init, - .eth_dev_uninit = eth_vmxnet3_dev_uninit, - .dev_private_size = sizeof(struct vmxnet3_hw), -}; - -/* - * Driver initialization routine. - * Invoked once at EAL init time. - * Register itself as the [Poll Mode] Driver of Virtual PCI VMXNET3 devices. - */ -static int -rte_vmxnet3_pmd_init(const char *name __rte_unused, const char *param __rte_unused) -{ - PMD_INIT_FUNC_TRACE(); - - rte_eth_driver_register(&rte_vmxnet3_pmd); - return 0; -} - -static int -vmxnet3_dev_configure(struct rte_eth_dev *dev) -{ - const struct rte_memzone *mz; - struct vmxnet3_hw *hw = dev->data->dev_private; - size_t size; - - PMD_INIT_FUNC_TRACE(); - - if (dev->data->nb_rx_queues > UINT8_MAX || - dev->data->nb_tx_queues > UINT8_MAX) - return -EINVAL; - - size = dev->data->nb_rx_queues * sizeof(struct Vmxnet3_TxQueueDesc) + - dev->data->nb_tx_queues * sizeof(struct Vmxnet3_RxQueueDesc); - - if (size > UINT16_MAX) - return -EINVAL; - - hw->num_rx_queues = (uint8_t)dev->data->nb_rx_queues; - hw->num_tx_queues = (uint8_t)dev->data->nb_tx_queues; - - /* - * Allocate a memzone for Vmxnet3_DriverShared - Vmxnet3_DSDevRead - * on current socket - */ - mz = gpa_zone_reserve(dev, sizeof(struct Vmxnet3_DriverShared), - "shared", rte_socket_id(), 8); - - if (mz == NULL) { - PMD_INIT_LOG(ERR, "ERROR: Creating shared zone"); - return -ENOMEM; - } - memset(mz->addr, 0, mz->len); - - hw->shared = mz->addr; - hw->sharedPA = mz->phys_addr; - - /* - * Allocate a memzone for Vmxnet3_RxQueueDesc - Vmxnet3_TxQueueDesc - * on current socket - */ - mz = gpa_zone_reserve(dev, size, "queuedesc", - rte_socket_id(), VMXNET3_QUEUE_DESC_ALIGN); - if (mz == NULL) { - PMD_INIT_LOG(ERR, "ERROR: Creating queue descriptors zone"); - return -ENOMEM; - } - memset(mz->addr, 0, mz->len); - - hw->tqd_start = (Vmxnet3_TxQueueDesc *)mz->addr; - hw->rqd_start = (Vmxnet3_RxQueueDesc *)(hw->tqd_start + hw->num_tx_queues); - - hw->queueDescPA = mz->phys_addr; - hw->queue_desc_len = (uint16_t)size; - - if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) { - - /* Allocate memory structure for UPT1_RSSConf and configure */ - mz = gpa_zone_reserve(dev, sizeof(struct VMXNET3_RSSConf), "rss_conf", - rte_socket_id(), RTE_CACHE_LINE_SIZE); - if (mz == NULL) { - PMD_INIT_LOG(ERR, - "ERROR: Creating rss_conf structure zone"); - return -ENOMEM; - } - memset(mz->addr, 0, mz->len); - - hw->rss_conf = mz->addr; - hw->rss_confPA = mz->phys_addr; - } - - return 0; -} - -static int -vmxnet3_setup_driver_shared(struct rte_eth_dev *dev) -{ - struct rte_eth_conf port_conf = dev->data->dev_conf; - struct vmxnet3_hw *hw = dev->data->dev_private; - Vmxnet3_DriverShared *shared = hw->shared; - Vmxnet3_DSDevRead *devRead = &shared->devRead; - uint32_t *mac_ptr; - uint32_t val, i; - int ret, mask; - - shared->magic = VMXNET3_REV1_MAGIC; - devRead->misc.driverInfo.version = VMXNET3_DRIVER_VERSION_NUM; - - /* Setting up Guest OS information */ - devRead->misc.driverInfo.gos.gosBits = sizeof(void *) == 4 ? - VMXNET3_GOS_BITS_32 : - VMXNET3_GOS_BITS_64; - devRead->misc.driverInfo.gos.gosType = VMXNET3_GOS_TYPE_LINUX; - devRead->misc.driverInfo.vmxnet3RevSpt = 1; - devRead->misc.driverInfo.uptVerSpt = 1; - - devRead->misc.mtu = rte_le_to_cpu_32(dev->data->mtu); - devRead->misc.queueDescPA = hw->queueDescPA; - devRead->misc.queueDescLen = hw->queue_desc_len; - devRead->misc.numTxQueues = hw->num_tx_queues; - devRead->misc.numRxQueues = hw->num_rx_queues; - - /* - * Set number of interrupts to 1 - * PMD disables all the interrupts but this is MUST to activate device - * It needs at least one interrupt for link events to handle - * So we'll disable it later after device activation if needed - */ - devRead->intrConf.numIntrs = 1; - devRead->intrConf.intrCtrl |= VMXNET3_IC_DISABLE_ALL; - - for (i = 0; i < hw->num_tx_queues; i++) { - Vmxnet3_TxQueueDesc *tqd = &hw->tqd_start[i]; - vmxnet3_tx_queue_t *txq = dev->data->tx_queues[i]; - - tqd->ctrl.txNumDeferred = 0; - tqd->ctrl.txThreshold = 1; - tqd->conf.txRingBasePA = txq->cmd_ring.basePA; - tqd->conf.compRingBasePA = txq->comp_ring.basePA; - tqd->conf.dataRingBasePA = txq->data_ring.basePA; - - tqd->conf.txRingSize = txq->cmd_ring.size; - tqd->conf.compRingSize = txq->comp_ring.size; - tqd->conf.dataRingSize = txq->data_ring.size; - tqd->conf.intrIdx = txq->comp_ring.intr_idx; - tqd->status.stopped = TRUE; - tqd->status.error = 0; - memset(&tqd->stats, 0, sizeof(tqd->stats)); - } - - for (i = 0; i < hw->num_rx_queues; i++) { - Vmxnet3_RxQueueDesc *rqd = &hw->rqd_start[i]; - vmxnet3_rx_queue_t *rxq = dev->data->rx_queues[i]; - - rqd->conf.rxRingBasePA[0] = rxq->cmd_ring[0].basePA; - rqd->conf.rxRingBasePA[1] = rxq->cmd_ring[1].basePA; - rqd->conf.compRingBasePA = rxq->comp_ring.basePA; - - rqd->conf.rxRingSize[0] = rxq->cmd_ring[0].size; - rqd->conf.rxRingSize[1] = rxq->cmd_ring[1].size; - rqd->conf.compRingSize = rxq->comp_ring.size; - rqd->conf.intrIdx = rxq->comp_ring.intr_idx; - rqd->status.stopped = TRUE; - rqd->status.error = 0; - memset(&rqd->stats, 0, sizeof(rqd->stats)); - } - - /* RxMode set to 0 of VMXNET3_RXM_xxx */ - devRead->rxFilterConf.rxMode = 0; - - /* Setting up feature flags */ - if (dev->data->dev_conf.rxmode.hw_ip_checksum) - devRead->misc.uptFeatures |= VMXNET3_F_RXCSUM; - - if (port_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) { - ret = vmxnet3_rss_configure(dev); - if (ret != VMXNET3_SUCCESS) - return ret; - - devRead->misc.uptFeatures |= VMXNET3_F_RSS; - devRead->rssConfDesc.confVer = 1; - devRead->rssConfDesc.confLen = sizeof(struct VMXNET3_RSSConf); - devRead->rssConfDesc.confPA = hw->rss_confPA; - } - - mask = 0; - if (dev->data->dev_conf.rxmode.hw_vlan_strip) - mask |= ETH_VLAN_STRIP_MASK; - - if (dev->data->dev_conf.rxmode.hw_vlan_filter) - mask |= ETH_VLAN_FILTER_MASK; - - vmxnet3_dev_vlan_offload_set_clear(dev, mask, 1); - - PMD_INIT_LOG(DEBUG, - "Writing MAC Address : %02x:%02x:%02x:%02x:%02x:%02x", - hw->perm_addr[0], hw->perm_addr[1], hw->perm_addr[2], - hw->perm_addr[3], hw->perm_addr[4], hw->perm_addr[5]); - - /* Write MAC Address back to device */ - mac_ptr = (uint32_t *)hw->perm_addr; - val = *mac_ptr; - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_MACL, val); - - val = (hw->perm_addr[5] << 8) | hw->perm_addr[4]; - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_MACH, val); - - return VMXNET3_SUCCESS; -} - -/* - * Configure device link speed and setup link. - * Must be called after eth_vmxnet3_dev_init. Other wise it might fail - * It returns 0 on success. - */ -static int -vmxnet3_dev_start(struct rte_eth_dev *dev) -{ - int status, ret; - struct vmxnet3_hw *hw = dev->data->dev_private; - - PMD_INIT_FUNC_TRACE(); - - ret = vmxnet3_setup_driver_shared(dev); - if (ret != VMXNET3_SUCCESS) - return ret; - - /* Exchange shared data with device */ - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_DSAL, - VMXNET3_GET_ADDR_LO(hw->sharedPA)); - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_DSAH, - VMXNET3_GET_ADDR_HI(hw->sharedPA)); - - /* Activate device by register write */ - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_ACTIVATE_DEV); - status = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD); - - if (status != 0) { - PMD_INIT_LOG(ERR, "Device activation in %s(): UNSUCCESSFUL", __func__); - return -1; - } - - /* Disable interrupts */ - vmxnet3_disable_intr(hw); - - /* - * Load RX queues with blank mbufs and update next2fill index for device - * Update RxMode of the device - */ - ret = vmxnet3_dev_rxtx_init(dev); - if (ret != VMXNET3_SUCCESS) { - PMD_INIT_LOG(ERR, "Device receive init in %s: UNSUCCESSFUL", __func__); - return ret; - } - - /* Setting proper Rx Mode and issue Rx Mode Update command */ - vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_UCAST | VMXNET3_RXM_BCAST, 1); - - /* - * Don't need to handle events for now - */ -#if PROCESS_SYS_EVENTS == 1 - events = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_ECR); - PMD_INIT_LOG(DEBUG, "Reading events: 0x%X", events); - vmxnet3_process_events(hw); -#endif - return status; -} - -/* - * Stop device: disable rx and tx functions to allow for reconfiguring. - */ -static void -vmxnet3_dev_stop(struct rte_eth_dev *dev) -{ - struct rte_eth_link link; - struct vmxnet3_hw *hw = dev->data->dev_private; - - PMD_INIT_FUNC_TRACE(); - - if (hw->adapter_stopped == 1) { - PMD_INIT_LOG(DEBUG, "Device already closed."); - return; - } - - /* disable interrupts */ - vmxnet3_disable_intr(hw); - - /* quiesce the device first */ - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV); - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_DSAL, 0); - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_DSAH, 0); - - /* reset the device */ - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_RESET_DEV); - PMD_INIT_LOG(DEBUG, "Device reset."); - hw->adapter_stopped = 0; - - vmxnet3_dev_clear_queues(dev); - - /* Clear recorded link status */ - memset(&link, 0, sizeof(link)); - vmxnet3_dev_atomic_write_link_status(dev, &link); -} - -/* - * Reset and stop device. - */ -static void -vmxnet3_dev_close(struct rte_eth_dev *dev) -{ - struct vmxnet3_hw *hw = dev->data->dev_private; - - PMD_INIT_FUNC_TRACE(); - - vmxnet3_dev_stop(dev); - hw->adapter_stopped = 1; -} - -static void -vmxnet3_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) -{ - unsigned int i; - struct vmxnet3_hw *hw = dev->data->dev_private; - - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS); - - RTE_BUILD_BUG_ON(RTE_ETHDEV_QUEUE_STAT_CNTRS < VMXNET3_MAX_TX_QUEUES); - for (i = 0; i < hw->num_tx_queues; i++) { - struct UPT1_TxStats *txStats = &hw->tqd_start[i].stats; - - stats->q_opackets[i] = txStats->ucastPktsTxOK + - txStats->mcastPktsTxOK + - txStats->bcastPktsTxOK; - stats->q_obytes[i] = txStats->ucastBytesTxOK + - txStats->mcastBytesTxOK + - txStats->bcastBytesTxOK; - - stats->opackets += stats->q_opackets[i]; - stats->obytes += stats->q_obytes[i]; - stats->oerrors += txStats->pktsTxError + - txStats->pktsTxDiscard; - } - - RTE_BUILD_BUG_ON(RTE_ETHDEV_QUEUE_STAT_CNTRS < VMXNET3_MAX_RX_QUEUES); - for (i = 0; i < hw->num_rx_queues; i++) { - struct UPT1_RxStats *rxStats = &hw->rqd_start[i].stats; - - stats->q_ipackets[i] = rxStats->ucastPktsRxOK + - rxStats->mcastPktsRxOK + - rxStats->bcastPktsRxOK; - - stats->q_ibytes[i] = rxStats->ucastBytesRxOK + - rxStats->mcastBytesRxOK + - rxStats->bcastBytesRxOK; - - stats->ipackets += stats->q_ipackets[i]; - stats->ibytes += stats->q_ibytes[i]; - - stats->q_errors[i] = rxStats->pktsRxError; - stats->ierrors += rxStats->pktsRxError; - stats->imcasts += rxStats->mcastPktsRxOK; - stats->rx_nombuf += rxStats->pktsRxOutOfBuf; - } -} - -static void -vmxnet3_dev_info_get(__attribute__((unused))struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) -{ - dev_info->max_rx_queues = VMXNET3_MAX_RX_QUEUES; - dev_info->max_tx_queues = VMXNET3_MAX_TX_QUEUES; - dev_info->min_rx_bufsize = 1518 + RTE_PKTMBUF_HEADROOM; - dev_info->max_rx_pktlen = 16384; /* includes CRC, cf MAXFRS register */ - dev_info->max_mac_addrs = VMXNET3_MAX_MAC_ADDRS; - - dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | - ETH_TXQ_FLAGS_NOOFFLOADS; - dev_info->flow_type_rss_offloads = VMXNET3_RSS_OFFLOAD_ALL; - - dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { - .nb_max = VMXNET3_RX_RING_MAX_SIZE, - .nb_min = VMXNET3_DEF_RX_RING_SIZE, - .nb_align = 1, - }; - - dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { - .nb_max = VMXNET3_TX_RING_MAX_SIZE, - .nb_min = VMXNET3_DEF_TX_RING_SIZE, - .nb_align = 1, - }; -} - -/* return 0 means link status changed, -1 means not changed */ -static int -vmxnet3_dev_link_update(struct rte_eth_dev *dev, __attribute__((unused)) int wait_to_complete) -{ - struct vmxnet3_hw *hw = dev->data->dev_private; - struct rte_eth_link old, link; - uint32_t ret; - - if (dev->data->dev_started == 0) - return -1; /* Link status doesn't change for stopped dev */ - - memset(&link, 0, sizeof(link)); - vmxnet3_dev_atomic_read_link_status(dev, &old); - - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK); - ret = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD); - - if (ret & 0x1) { - link.link_status = 1; - link.link_duplex = ETH_LINK_FULL_DUPLEX; - link.link_speed = ETH_LINK_SPEED_10000; - } - - vmxnet3_dev_atomic_write_link_status(dev, &link); - - return (old.link_status == link.link_status) ? -1 : 0; -} - -/* Updating rxmode through Vmxnet3_DriverShared structure in adapter */ -static void -vmxnet3_dev_set_rxmode(struct vmxnet3_hw *hw, uint32_t feature, int set) { - - struct Vmxnet3_RxFilterConf *rxConf = &hw->shared->devRead.rxFilterConf; - - if (set) - rxConf->rxMode = rxConf->rxMode | feature; - else - rxConf->rxMode = rxConf->rxMode & (~feature); - - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_UPDATE_RX_MODE); -} - -/* Promiscuous supported only if Vmxnet3_DriverShared is initialized in adapter */ -static void -vmxnet3_dev_promiscuous_enable(struct rte_eth_dev *dev) -{ - struct vmxnet3_hw *hw = dev->data->dev_private; - uint32_t *vf_table = hw->shared->devRead.rxFilterConf.vfTable; - - memset(vf_table, 0, VMXNET3_VFT_TABLE_SIZE); - vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_PROMISC, 1); - - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, - VMXNET3_CMD_UPDATE_VLAN_FILTERS); -} - -/* Promiscuous supported only if Vmxnet3_DriverShared is initialized in adapter */ -static void -vmxnet3_dev_promiscuous_disable(struct rte_eth_dev *dev) -{ - struct vmxnet3_hw *hw = dev->data->dev_private; - uint32_t *vf_table = hw->shared->devRead.rxFilterConf.vfTable; - - memcpy(vf_table, hw->shadow_vfta, VMXNET3_VFT_TABLE_SIZE); - vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_PROMISC, 0); - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, - VMXNET3_CMD_UPDATE_VLAN_FILTERS); -} - -/* Allmulticast supported only if Vmxnet3_DriverShared is initialized in adapter */ -static void -vmxnet3_dev_allmulticast_enable(struct rte_eth_dev *dev) -{ - struct vmxnet3_hw *hw = dev->data->dev_private; - - vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_ALL_MULTI, 1); -} - -/* Allmulticast supported only if Vmxnet3_DriverShared is initialized in adapter */ -static void -vmxnet3_dev_allmulticast_disable(struct rte_eth_dev *dev) -{ - struct vmxnet3_hw *hw = dev->data->dev_private; - - vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_ALL_MULTI, 0); -} - -/* Enable/disable filter on vlan */ -static int -vmxnet3_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vid, int on) -{ - struct vmxnet3_hw *hw = dev->data->dev_private; - struct Vmxnet3_RxFilterConf *rxConf = &hw->shared->devRead.rxFilterConf; - uint32_t *vf_table = rxConf->vfTable; - - /* save state for restore */ - if (on) - VMXNET3_SET_VFTABLE_ENTRY(hw->shadow_vfta, vid); - else - VMXNET3_CLEAR_VFTABLE_ENTRY(hw->shadow_vfta, vid); - - /* don't change active filter if in promiscious mode */ - if (rxConf->rxMode & VMXNET3_RXM_PROMISC) - return 0; - - /* set in hardware */ - if (on) - VMXNET3_SET_VFTABLE_ENTRY(vf_table, vid); - else - VMXNET3_CLEAR_VFTABLE_ENTRY(vf_table, vid); - - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, - VMXNET3_CMD_UPDATE_VLAN_FILTERS); - return 0; -} - -static void -vmxnet3_dev_vlan_offload_set_clear(struct rte_eth_dev *dev, - int mask, int clear) -{ - struct vmxnet3_hw *hw = dev->data->dev_private; - Vmxnet3_DSDevRead *devRead = &hw->shared->devRead; - uint32_t *vf_table = devRead->rxFilterConf.vfTable; - - if (mask & ETH_VLAN_STRIP_MASK) - devRead->misc.uptFeatures |= UPT1_F_RXVLAN; - else - devRead->misc.uptFeatures &= ~UPT1_F_RXVLAN; - - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, - VMXNET3_CMD_UPDATE_FEATURE); - - if (mask & ETH_VLAN_FILTER_MASK) { - if (clear) { - memset(hw->shadow_vfta, 0, - VMXNET3_VFT_TABLE_SIZE); - /* allow untagged pkts */ - VMXNET3_SET_VFTABLE_ENTRY(hw->shadow_vfta, 0); - } - memcpy(vf_table, hw->shadow_vfta, VMXNET3_VFT_TABLE_SIZE); - } else { - /* allow any pkts -- no filtering */ - if (clear) - memset(hw->shadow_vfta, 0xff, VMXNET3_VFT_TABLE_SIZE); - memset(vf_table, 0xff, VMXNET3_VFT_TABLE_SIZE); - } - - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, - VMXNET3_CMD_UPDATE_VLAN_FILTERS); -} - -static void -vmxnet3_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask) -{ - vmxnet3_dev_vlan_offload_set_clear(dev, mask, 0); -} - -#if PROCESS_SYS_EVENTS == 1 -static void -vmxnet3_process_events(struct vmxnet3_hw *hw) -{ - uint32_t events = hw->shared->ecr; - - if (!events) { - PMD_INIT_LOG(ERR, "No events to process in %s()", __func__); - return; - } - - /* - * ECR bits when written with 1b are cleared. Hence write - * events back to ECR so that the bits which were set will be reset. - */ - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_ECR, events); - - /* Check if link state has changed */ - if (events & VMXNET3_ECR_LINK) - PMD_INIT_LOG(ERR, - "Process events in %s(): VMXNET3_ECR_LINK event", __func__); - - /* Check if there is an error on xmit/recv queues */ - if (events & (VMXNET3_ECR_TQERR | VMXNET3_ECR_RQERR)) { - VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_QUEUE_STATUS); - - if (hw->tqd_start->status.stopped) - PMD_INIT_LOG(ERR, "tq error 0x%x", - hw->tqd_start->status.error); - - if (hw->rqd_start->status.stopped) - PMD_INIT_LOG(ERR, "rq error 0x%x", - hw->rqd_start->status.error); - - /* Reset the device */ - /* Have to reset the device */ - } - - if (events & VMXNET3_ECR_DIC) - PMD_INIT_LOG(ERR, "Device implementation change event."); - - if (events & VMXNET3_ECR_DEBUG) - PMD_INIT_LOG(ERR, "Debug event generated by device."); - -} -#endif - -static struct rte_driver rte_vmxnet3_driver = { - .type = PMD_PDEV, - .init = rte_vmxnet3_pmd_init, -}; - -PMD_REGISTER_DRIVER(rte_vmxnet3_driver); |