/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2015-2020
+ * Copyright(c) 2015-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
*/
#include <sys/queue.h>
#include <string.h>
#include <rte_log.h>
#include <ethdev_pci.h>
+#include <rte_alarm.h>
#include "txgbe_logs.h"
#include "base/txgbe.h"
static int txgbevf_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
static int txgbevf_dev_configure(struct rte_eth_dev *dev);
+static int txgbevf_dev_start(struct rte_eth_dev *dev);
static int txgbevf_dev_link_update(struct rte_eth_dev *dev,
int wait_to_complete);
+static int txgbevf_dev_stop(struct rte_eth_dev *dev);
static int txgbevf_dev_close(struct rte_eth_dev *dev);
static void txgbevf_intr_disable(struct rte_eth_dev *dev);
static void txgbevf_intr_enable(struct rte_eth_dev *dev);
* The set of PCI devices this driver supports (for VF)
*/
static const struct rte_pci_id pci_id_txgbevf_map[] = {
- { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, TXGBE_DEV_ID_RAPTOR_VF) },
- { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, TXGBE_DEV_ID_RAPTOR_VF_HV) },
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, TXGBE_DEV_ID_SP1000_VF) },
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, TXGBE_DEV_ID_WX1820_VF) },
{ .vendor_id = 0, /* sentinel */ },
};
return 0;
}
+static int
+txgbevf_dev_start(struct rte_eth_dev *dev)
+{
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+ uint32_t intr_vector = 0;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+
+ int err, mask = 0;
+
+ PMD_INIT_FUNC_TRACE();
+
+ /* Stop the link setup handler before resetting the HW. */
+ rte_eal_alarm_cancel(txgbe_dev_setup_link_alarm_handler, dev);
+
+ err = hw->mac.reset_hw(hw);
+ if (err) {
+ PMD_INIT_LOG(ERR, "Unable to reset vf hardware (%d)", err);
+ return err;
+ }
+ hw->mac.get_link_status = true;
+ hw->dev_start = true;
+
+ /* negotiate mailbox API version to use with the PF. */
+ txgbevf_negotiate_api(hw);
+
+ txgbevf_dev_tx_init(dev);
+
+ /* This can fail when allocating mbufs for descriptor rings */
+ err = txgbevf_dev_rx_init(dev);
+
+ /**
+ * In this case, reuses the MAC address assigned by VF
+ * initialization.
+ */
+ if (err != 0 && err != TXGBE_ERR_INVALID_MAC_ADDR) {
+ PMD_INIT_LOG(ERR, "Unable to initialize RX hardware (%d)", err);
+ txgbe_dev_clear_queues(dev);
+ return err;
+ }
+
+ /* Set vfta */
+ txgbevf_set_vfta_all(dev, 1);
+
+ /* Set HW strip */
+ mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK |
+ ETH_VLAN_EXTEND_MASK;
+ err = txgbevf_vlan_offload_config(dev, mask);
+ if (err) {
+ PMD_INIT_LOG(ERR, "Unable to set VLAN offload (%d)", err);
+ txgbe_dev_clear_queues(dev);
+ return err;
+ }
+
+ txgbevf_dev_rxtx_start(dev);
+
+ /* check and configure queue intr-vector mapping */
+ if (rte_intr_cap_multiple(intr_handle) &&
+ dev->data->dev_conf.intr_conf.rxq) {
+ /* According to datasheet, only vector 0/1/2 can be used,
+ * now only one vector is used for Rx queue
+ */
+ intr_vector = 1;
+ if (rte_intr_efd_enable(intr_handle, intr_vector))
+ return -1;
+ }
+
+ if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
+ intr_handle->intr_vec =
+ rte_zmalloc("intr_vec",
+ dev->data->nb_rx_queues * sizeof(int), 0);
+ if (intr_handle->intr_vec == NULL) {
+ PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
+ " intr_vec", dev->data->nb_rx_queues);
+ return -ENOMEM;
+ }
+ }
+ txgbevf_configure_msix(dev);
+
+ /* When a VF port is bound to VFIO-PCI, only miscellaneous interrupt
+ * is mapped to VFIO vector 0 in eth_txgbevf_dev_init( ).
+ * If previous VFIO interrupt mapping setting in eth_txgbevf_dev_init( )
+ * is not cleared, it will fail when following rte_intr_enable( ) tries
+ * to map Rx queue interrupt to other VFIO vectors.
+ * So clear uio/vfio intr/evevnfd first to avoid failure.
+ */
+ rte_intr_disable(intr_handle);
+
+ rte_intr_enable(intr_handle);
+
+ /* Re-enable interrupt for VF */
+ txgbevf_intr_enable(dev);
+
+ /*
+ * Update link status right before return, because it may
+ * start link configuration process in a separate thread.
+ */
+ txgbevf_dev_link_update(dev, 0);
+
+ hw->adapter_stopped = false;
+
+ return 0;
+}
+
+static int
+txgbevf_dev_stop(struct rte_eth_dev *dev)
+{
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+ struct txgbe_adapter *adapter = TXGBE_DEV_ADAPTER(dev);
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+
+ if (hw->adapter_stopped)
+ return 0;
+
+ PMD_INIT_FUNC_TRACE();
+
+ rte_eal_alarm_cancel(txgbe_dev_setup_link_alarm_handler, dev);
+
+ txgbevf_intr_disable(dev);
+
+ hw->adapter_stopped = 1;
+ hw->mac.stop_hw(hw);
+
+ /*
+ * Clear what we set, but we still keep shadow_vfta to
+ * restore after device starts
+ */
+ txgbevf_set_vfta_all(dev, 0);
+
+ /* Clear stored conf */
+ dev->data->scattered_rx = 0;
+
+ txgbe_dev_clear_queues(dev);
+
+ /* Clean datapath event and queue/vec mapping */
+ rte_intr_efd_disable(intr_handle);
+ if (intr_handle->intr_vec != NULL) {
+ rte_free(intr_handle->intr_vec);
+ intr_handle->intr_vec = NULL;
+ }
+
+ adapter->rss_reta_updated = 0;
+ hw->dev_start = false;
+
+ return 0;
+}
+
static int
txgbevf_dev_close(struct rte_eth_dev *dev)
{
struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+ int ret;
+
PMD_INIT_FUNC_TRACE();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
hw->mac.reset_hw(hw);
+ ret = txgbevf_dev_stop(dev);
+
txgbe_dev_free_queues(dev);
/**
rte_intr_callback_unregister(intr_handle,
txgbevf_dev_interrupt_handler, dev);
- return 0;
+ return ret;
+}
+
+/*
+ * Reset VF device
+ */
+static int
+txgbevf_dev_reset(struct rte_eth_dev *dev)
+{
+ int ret;
+
+ ret = eth_txgbevf_dev_uninit(dev);
+ if (ret)
+ return ret;
+
+ ret = eth_txgbevf_dev_init(dev);
+
+ return ret;
}
static void txgbevf_set_vfta_all(struct rte_eth_dev *dev, bool on)
mask = 1;
for (j = 0; j < 32; j++) {
if (vfta & mask)
- txgbe_set_vfta(hw, (i << 5) + j, 0,
+ hw->mac.set_vfta(hw, (i << 5) + j, 0,
on, false);
mask <<= 1;
}
{
struct txgbe_hw *hw;
uint32_t max_frame = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
- struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
+ struct rte_eth_dev_data *dev_data = dev->data;
hw = TXGBE_DEV_HW(dev);
max_frame > RTE_ETHER_MAX_JUMBO_FRAME_LEN)
return -EINVAL;
- /* refuse mtu that requires the support of scattered packets when this
- * feature has not been enabled before.
+ /* If device is started, refuse mtu that requires the support of
+ * scattered packets when this feature has not been enabled before.
*/
- if (!(rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) &&
+ if (dev_data->dev_started && !dev_data->scattered_rx &&
(max_frame + 2 * TXGBE_VLAN_TAG_SIZE >
- dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM))
+ dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
+ PMD_INIT_LOG(ERR, "Stop port first.");
return -EINVAL;
+ }
/*
* When supported by the underlying PF driver, use the TXGBE_VF_SET_MTU
*/
static const struct eth_dev_ops txgbevf_eth_dev_ops = {
.dev_configure = txgbevf_dev_configure,
+ .dev_start = txgbevf_dev_start,
+ .dev_stop = txgbevf_dev_stop,
.link_update = txgbevf_dev_link_update,
.stats_get = txgbevf_dev_stats_get,
.xstats_get = txgbevf_dev_xstats_get,
.stats_reset = txgbevf_dev_stats_reset,
.xstats_reset = txgbevf_dev_stats_reset,
.xstats_get_names = txgbevf_dev_xstats_get_names,
+ .dev_close = txgbevf_dev_close,
+ .dev_reset = txgbevf_dev_reset,
.promiscuous_enable = txgbevf_dev_promiscuous_enable,
.promiscuous_disable = txgbevf_dev_promiscuous_disable,
.allmulticast_enable = txgbevf_dev_allmulticast_enable,
.allmulticast_disable = txgbevf_dev_allmulticast_disable,
.dev_infos_get = txgbevf_dev_info_get,
+ .dev_supported_ptypes_get = txgbe_dev_supported_ptypes_get,
.mtu_set = txgbevf_dev_set_mtu,
.vlan_filter_set = txgbevf_vlan_filter_set,
.vlan_strip_queue_set = txgbevf_vlan_strip_queue_set,
.vlan_offload_set = txgbevf_vlan_offload_set,
+ .rx_queue_setup = txgbe_dev_rx_queue_setup,
+ .rx_queue_release = txgbe_dev_rx_queue_release,
+ .tx_queue_setup = txgbe_dev_tx_queue_setup,
+ .tx_queue_release = txgbe_dev_tx_queue_release,
.rx_queue_intr_enable = txgbevf_dev_rx_queue_intr_enable,
.rx_queue_intr_disable = txgbevf_dev_rx_queue_intr_disable,
.mac_addr_add = txgbevf_add_mac_addr,
.reta_query = txgbe_dev_rss_reta_query,
.rss_hash_update = txgbe_dev_rss_hash_update,
.rss_hash_conf_get = txgbe_dev_rss_hash_conf_get,
+ .tx_done_cleanup = txgbe_dev_tx_done_cleanup,
};
RTE_PMD_REGISTER_PCI(net_txgbe_vf, rte_txgbevf_pmd);
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