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 | 210 ++++++++++++++++++++++++
drivers/net/nfp/flower/nfp_flower.h | 2 +
drivers/net/nfp/flower/nfp_flower_representor.c | 2 +
3 files changed, 214 insertions(+)
diff --git a/drivers/net/nfp/flower/nfp_flower.c
b/drivers/net/nfp/flower/nfp_flower.c
index c79b4a5..c287683 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>
@@ -25,10 +26,219 @@
#define CTRL_VNIC_NB_DESC 512
#define DEFAULT_FLBUF_SIZE 9216
+static void
+nfp_pf_repr_enable_queues(struct rte_eth_dev *dev)
+{
+ struct nfp_net_hw *hw;
+ uint64_t enabled_queues = 0;
+ int i;
+ struct nfp_flower_representor *repr;
+
+ repr = dev->data->dev_private;
+ hw = repr->app_fw_flower->pf_hw;
+
+ /* Enabling the required TX queues in the device */
+ for (i = 0; i < dev->data->nb_tx_queues; i++)
+ enabled_queues |= (1 << i);
+
+ nn_cfg_writeq(hw, NFP_NET_CFG_TXRS_ENABLE, enabled_queues);
+
+ enabled_queues = 0;
+
+ /* Enabling the required RX queues in the device */
+ for (i = 0; i < dev->data->nb_rx_queues; i++)
+ enabled_queues |= (1 << i);
+
+ nn_cfg_writeq(hw, NFP_NET_CFG_RXRS_ENABLE, enabled_queues);
+}
+
+static void
+nfp_pf_repr_disable_queues(struct rte_eth_dev *dev)
+{
+ struct nfp_net_hw *hw;
+ uint32_t new_ctrl;
+ uint32_t update = 0;
+ struct nfp_flower_representor *repr;
+
+ repr = (struct nfp_flower_representor *)dev->data->dev_private;
+ hw = repr->app_fw_flower->pf_hw;
+
+ nn_cfg_writeq(hw, NFP_NET_CFG_TXRS_ENABLE, 0);
+ nn_cfg_writeq(hw, NFP_NET_CFG_RXRS_ENABLE, 0);
+
+ new_ctrl = hw->ctrl & ~NFP_NET_CFG_CTRL_ENABLE;
+ update = NFP_NET_CFG_UPDATE_GEN | NFP_NET_CFG_UPDATE_RING |
+ NFP_NET_CFG_UPDATE_MSIX;
+
+ if (hw->cap & NFP_NET_CFG_CTRL_RINGCFG)
+ new_ctrl &= ~NFP_NET_CFG_CTRL_RINGCFG;
+
+ /* If an error when reconfig we avoid to change hw state */
+ if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
+ return;
+
+ hw->ctrl = new_ctrl;
+}
+
+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;
+ struct nfp_flower_representor *repr;
+
+ repr = (struct nfp_flower_representor *)dev->data->dev_private;
+ hw = repr->app_fw_flower->pf_hw;
+
+ /* Disabling queues just in case... */
+ nfp_pf_repr_disable_queues(dev);
+
+ /* Enabling the required queues in the device */
+ nfp_pf_repr_enable_queues(dev);
+
+ new_ctrl = nfp_check_offloads(dev);
+
+ /* Writing configuration parameters in the device */
+ nfp_net_params_setup(hw);
+
+ 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 != 0) {
+ 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 != 0) {
+ 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. */
+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;
+ struct nfp_flower_representor *repr;
+
+ repr = (struct nfp_flower_representor *)dev->data->dev_private;
+ hw = repr->app_fw_flower->pf_hw;
+
+ nfp_pf_repr_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 nfp_flower_representor *repr;
+ struct nfp_app_fw_flower *app_fw_flower;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ repr = (struct nfp_flower_representor *)dev->data->dev_private;
+ hw = repr->app_fw_flower->pf_hw;
+ pf_dev = hw->pf_dev;
+ app_fw_flower = NFP_PRIV_TO_APP_FW_FLOWER(pf_dev->app_fw_priv);
+
+ /*
+ * We assume that the DPDK application is stopping all the
+ * threads/queues before calling the device close function.
+ */
+ nfp_pf_repr_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_DRV_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_fw_flower);
+ rte_free(pf_dev);
+
+ return 0;
+}
+
static const struct eth_dev_ops nfp_flower_pf_vnic_ops = {
.dev_infos_get = nfp_net_infos_get,
.link_update = nfp_net_link_update,
.dev_configure = nfp_net_configure,
+
+ .dev_start = nfp_flower_pf_start,
+ .dev_stop = nfp_flower_pf_stop,
+ .dev_close = nfp_flower_pf_close,
};
static int
diff --git a/drivers/net/nfp/flower/nfp_flower.h
b/drivers/net/nfp/flower/nfp_flower.h
index e1cd0a3..12b310f 100644
--- a/drivers/net/nfp/flower/nfp_flower.h
+++ b/drivers/net/nfp/flower/nfp_flower.h
@@ -55,5 +55,7 @@ struct nfp_app_fw_flower {
int nfp_init_app_fw_flower(struct nfp_pf_dev *pf_dev);
int nfp_secondary_init_app_fw_flower(struct nfp_cpp *cpp);
+int nfp_flower_pf_start(struct rte_eth_dev *dev);
+int nfp_flower_pf_stop(struct rte_eth_dev *dev);
#endif /* _NFP_FLOWER_H_ */
diff --git a/drivers/net/nfp/flower/nfp_flower_representor.c
b/drivers/net/nfp/flower/nfp_flower_representor.c
index 19b1fed..b47b0a5 100644
--- a/drivers/net/nfp/flower/nfp_flower_representor.c
+++ b/drivers/net/nfp/flower/nfp_flower_representor.c
@@ -467,7 +467,9 @@
static const struct eth_dev_ops nfp_flower_pf_repr_dev_ops = {
.dev_infos_get = nfp_flower_repr_dev_infos_get,
+ .dev_start = nfp_flower_pf_start,
.dev_configure = nfp_flower_repr_dev_configure,
+ .dev_stop = nfp_flower_pf_stop,
.rx_queue_setup = nfp_pf_repr_rx_queue_setup,
.tx_queue_setup = nfp_pf_repr_tx_queue_setup,
--
1.8.3.1
