X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvmxnet3%2Fvmxnet3_ethdev.c;h=c363bf60b4d4974f13fc07e1a097018a004470c7;hb=7ab8500037f67d4e6436e292a9f963678e8d2ac1;hp=3caa4c01a7e99808e25cc7a523af5027898c387c;hpb=f003fc383487d8370998cd4bc7249becd733bada;p=dpdk.git diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index 3caa4c01a7..c363bf60b4 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -70,6 +70,7 @@ #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); @@ -155,9 +156,36 @@ gpa_zone_reserve(struct rte_eth_dev *dev, uint32_t size, * - 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; @@ -208,6 +236,8 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev) 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; @@ -216,7 +246,6 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev) 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. */ @@ -268,13 +297,37 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_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, + .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), }; @@ -389,9 +442,9 @@ vmxnet3_setup_driver_shared(struct rte_eth_dev *dev) 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; @@ -553,7 +606,7 @@ vmxnet3_dev_stop(struct rte_eth_dev *dev) PMD_INIT_FUNC_TRACE(); - if (hw->adapter_stopped == TRUE) { + if (hw->adapter_stopped == 1) { PMD_INIT_LOG(DEBUG, "Device already closed."); return; } @@ -569,13 +622,13 @@ vmxnet3_dev_stop(struct rte_eth_dev *dev) /* 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); } /* @@ -589,7 +642,7 @@ vmxnet3_dev_close(struct rte_eth_dev *dev) PMD_INIT_FUNC_TRACE(); vmxnet3_dev_stop(dev); - hw->adapter_stopped = TRUE; + hw->adapter_stopped = 1; } static void @@ -651,6 +704,18 @@ vmxnet3_dev_info_get(__attribute__((unused))struct rte_eth_dev *dev, struct rte_ 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 */ @@ -658,28 +723,27 @@ 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 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 */