This commit adds the start/stop/close routine of the
flower PF vNIC.
Signed-off-by: Chaoyong He <chaoyong...@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderl...@corigine.com>
---
drivers/net/nfp/flower/nfp_flower.c | 193 ++++++++++++++++++++++++++++++++++++
1 file changed, 193 insertions(+)
diff --git a/drivers/net/nfp/flower/nfp_flower.c
b/drivers/net/nfp/flower/nfp_flower.c
index 0a0b1db..417155e 100644
--- a/drivers/net/nfp/flower/nfp_flower.c
+++ b/drivers/net/nfp/flower/nfp_flower.c
@@ -7,6 +7,7 @@
#include <ethdev_driver.h>
#include <rte_service_component.h>
#include <rte_malloc.h>
+#include <rte_alarm.h>
#include <ethdev_pci.h>
#include <ethdev_driver.h>
@@ -37,11 +38,178 @@
return 0;
}
+static int
+nfp_flower_pf_start(struct rte_eth_dev *dev)
+{
+ int ret;
+ uint32_t new_ctrl;
+ uint32_t update = 0;
+ struct nfp_net_hw *hw;
+
+ hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ /* Disabling queues just in case... */
+ nfp_net_disable_queues(dev);
+
+ /* Enabling the required queues in the device */
+ nfp_net_enable_queues(dev);
+
+ new_ctrl = nfp_check_offloads(dev);
+
+ /* Writing configuration parameters in the device */
+ nfp_net_params_setup(hw);
+
+ nfp_net_rss_config_default(dev);
+ update |= NFP_NET_CFG_UPDATE_RSS;
+
+ if (hw->cap & NFP_NET_CFG_CTRL_RSS2)
+ new_ctrl |= NFP_NET_CFG_CTRL_RSS2;
+ else
+ new_ctrl |= NFP_NET_CFG_CTRL_RSS;
+
+ /* Enable device */
+ new_ctrl |= NFP_NET_CFG_CTRL_ENABLE;
+
+ update |= NFP_NET_CFG_UPDATE_GEN | NFP_NET_CFG_UPDATE_RING;
+
+ if (hw->cap & NFP_NET_CFG_CTRL_RINGCFG)
+ new_ctrl |= NFP_NET_CFG_CTRL_RINGCFG;
+
+ nn_cfg_writel(hw, NFP_NET_CFG_CTRL, new_ctrl);
+
+ /* If an error when reconfig we avoid to change hw state */
+ ret = nfp_net_reconfig(hw, new_ctrl, update);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to reconfig PF vnic");
+ return -EIO;
+ }
+
+ hw->ctrl = new_ctrl;
+
+ /* Setup the freelist ring */
+ ret = nfp_net_rx_freelist_setup(dev);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Error with flower PF vNIC freelist setup");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/* Stop device: disable rx and tx functions to allow for reconfiguring. */
+static int
+nfp_flower_pf_stop(struct rte_eth_dev *dev)
+{
+ uint16_t i;
+ struct nfp_net_hw *hw;
+ struct nfp_net_txq *this_tx_q;
+ struct nfp_net_rxq *this_rx_q;
+
+ hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ nfp_net_disable_queues(dev);
+
+ /* Clear queues */
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ this_tx_q = (struct nfp_net_txq *)dev->data->tx_queues[i];
+ nfp_net_reset_tx_queue(this_tx_q);
+ }
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ this_rx_q = (struct nfp_net_rxq *)dev->data->rx_queues[i];
+ nfp_net_reset_rx_queue(this_rx_q);
+ }
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ /* Configure the physical port down */
+ nfp_eth_set_configured(hw->cpp, hw->nfp_idx, 0);
+ else
+ nfp_eth_set_configured(dev->process_private, hw->nfp_idx, 0);
+
+ return 0;
+}
+
+/* Reset and stop device. The device can not be restarted. */
+static int
+nfp_flower_pf_close(struct rte_eth_dev *dev)
+{
+ uint16_t i;
+ struct nfp_net_hw *hw;
+ struct nfp_pf_dev *pf_dev;
+ struct nfp_net_txq *this_tx_q;
+ struct nfp_net_rxq *this_rx_q;
+ struct rte_pci_device *pci_dev;
+ struct nfp_app_flower *app_flower;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ pf_dev = NFP_NET_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ app_flower = NFP_APP_PRIV_TO_APP_FLOWER(pf_dev->app_priv);
+
+ /*
+ * We assume that the DPDK application is stopping all the
+ * threads/queues before calling the device close function.
+ */
+
+ nfp_net_disable_queues(dev);
+
+ /* Clear queues */
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ this_tx_q = (struct nfp_net_txq *)dev->data->tx_queues[i];
+ nfp_net_reset_tx_queue(this_tx_q);
+ }
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ this_rx_q = (struct nfp_net_rxq *)dev->data->rx_queues[i];
+ nfp_net_reset_rx_queue(this_rx_q);
+ }
+
+ /* Cancel possible impending LSC work here before releasing the port*/
+ rte_eal_alarm_cancel(nfp_net_dev_interrupt_delayed_handler, (void
*)dev);
+
+ nn_cfg_writeb(hw, NFP_NET_CFG_LSC, 0xff);
+
+ rte_eth_dev_release_port(dev);
+
+ /* Now it is safe to free all PF resources */
+ PMD_INIT_LOG(INFO, "Freeing PF resources");
+ nfp_cpp_area_free(pf_dev->ctrl_area);
+ nfp_cpp_area_free(pf_dev->hwqueues_area);
+ free(pf_dev->hwinfo);
+ free(pf_dev->sym_tbl);
+ nfp_cpp_free(pf_dev->cpp);
+ rte_free(app_flower);
+ rte_free(pf_dev);
+
+ rte_intr_disable(pci_dev->intr_handle);
+
+ /* unregister callback func from eal lib */
+ rte_intr_callback_unregister(pci_dev->intr_handle,
+ nfp_net_dev_interrupt_handler, (void *)dev);
+
+ return 0;
+}
+
+static int
+nfp_flower_pf_link_update(__rte_unused struct rte_eth_dev *dev,
+ __rte_unused int wait_to_complete)
+{
+ return 0;
+}
+
static const struct eth_dev_ops nfp_flower_pf_dev_ops = {
.dev_configure = nfp_flower_pf_configure,
/* Use the normal dev_infos_get functionality in the NFP PMD */
.dev_infos_get = nfp_net_infos_get,
+
+ .dev_start = nfp_flower_pf_start,
+ .dev_stop = nfp_flower_pf_stop,
+ .dev_close = nfp_flower_pf_close,
+ .link_update = nfp_flower_pf_link_update,
};
static struct rte_service_spec flower_services[NFP_FLOWER_SERVICE_MAX] = {
@@ -381,6 +549,24 @@
return ret;
}
+static int
+nfp_flower_start_pf_vnic(struct nfp_net_hw *hw)
+{
+ int ret;
+ uint16_t port_id;
+
+ port_id = hw->eth_dev->data->port_id;
+
+ /* Start the device */
+ ret = rte_eth_dev_start(port_id);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Could not start PF device %d", port_id);
+ return ret;
+ }
+
+ return 0;
+}
+
int
nfp_init_app_flower(struct nfp_pf_dev *pf_dev)
{
@@ -438,6 +624,13 @@
goto pf_cpp_area_cleanup;
}
+ /* Start the PF vNIC */
+ ret = nfp_flower_start_pf_vnic(app_flower->pf_hw);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Could not start flower PF vNIC");
+ goto pf_vnic_cleanup;
+ }
+
/* Start up flower services */
if (nfp_flower_enable_services(app_flower)) {
ret = -ESRCH;
--
1.8.3.1
