#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);
* - On success, zero.
* - On failure, negative value.
*/
-static inline int
-rte_vmxnet3_dev_atomic_write_link_status(struct rte_eth_dev *dev,
- struct rte_eth_link *link)
+
+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_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->num_rx_queues = 1;
hw->num_tx_queues = 1;
- hw->cur_mtu = ETHER_MTU;
hw->bufs_per_pkt = 1;
/* Check h/w version compatibility with driver. */
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,
+ .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),
};
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.mtu = hw->cur_mtu;
devRead->misc.numTxQueues = hw->num_tx_queues;
devRead->misc.numRxQueues = hw->num_rx_queues;
PMD_INIT_FUNC_TRACE();
- if (hw->adapter_stopped == TRUE) {
+ if (hw->adapter_stopped == 1) {
PMD_INIT_LOG(DEBUG, "Device already closed.");
return;
}
/* reset the device */
VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_RESET_DEV);
PMD_INIT_LOG(DEBUG, "Device reset.");
- hw->adapter_stopped = FALSE;
+ hw->adapter_stopped = 0;
vmxnet3_dev_clear_queues(dev);
/* Clear recorded link status */
memset(&link, 0, sizeof(link));
- rte_vmxnet3_dev_atomic_write_link_status(dev, &link);
+ vmxnet3_dev_atomic_write_link_status(dev, &link);
}
/*
PMD_INIT_FUNC_TRACE();
vmxnet3_dev_stop(dev);
- hw->adapter_stopped = TRUE;
+ hw->adapter_stopped = 1;
}
static void
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 */
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 link;
+ 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) {
- PMD_INIT_LOG(ERR, "Link Status Negative : %s()", __func__);
- return -1;
- }
-
if (ret & 0x1) {
link.link_status = 1;
link.link_duplex = ETH_LINK_FULL_DUPLEX;
link.link_speed = ETH_LINK_SPEED_10000;
-
- rte_vmxnet3_dev_atomic_write_link_status(dev, &link);
-
- return 0;
}
- return -1;
+ 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 */
git.droids-corp.org / dpdk.git / blobdiff