Fix the resource leak problem in the exit logic of CoreNIC firmware.
Fixes: 646ea79ce481 ("net/nfp: move PF functions into its own file")
Cc: sta...@dpdk.org
Signed-off-by: Chaoyong He <chaoyong...@corigine.com>
Reviewed-by: Long Wu <long...@corigine.com>
Reviewed-by: Peng Zhang <peng.zh...@corigine.com>
---
drivers/net/nfp/nfp_ethdev.c | 94 ++++++++++++++++++++++++--------
drivers/net/nfp/nfp_net_common.h | 1 +
2 files changed, 73 insertions(+), 22 deletions(-)
diff --git a/drivers/net/nfp/nfp_ethdev.c b/drivers/net/nfp/nfp_ethdev.c
index bb0ddf3d54..5c5e658671 100644
--- a/drivers/net/nfp/nfp_ethdev.c
+++ b/drivers/net/nfp/nfp_ethdev.c
@@ -322,6 +322,54 @@ nfp_net_uninit(struct rte_eth_dev *eth_dev)
nfp_cpp_area_release_free(net_hw->mac_stats_area);
}
+static void
+nfp_cleanup_port_app_fw_nic(struct nfp_pf_dev *pf_dev,
+ uint8_t id)
+{
+ struct rte_eth_dev *eth_dev;
+ struct nfp_app_fw_nic *app_fw_nic;
+
+ app_fw_nic = pf_dev->app_fw_priv;
+ if (app_fw_nic->ports[id] != NULL) {
+ eth_dev = app_fw_nic->ports[id]->eth_dev;
+ if (eth_dev != NULL)
+ nfp_net_uninit(eth_dev);
+
+ app_fw_nic->ports[id] = NULL;
+ }
+}
+
+static void
+nfp_uninit_app_fw_nic(struct nfp_pf_dev *pf_dev)
+{
+ nfp_cpp_area_release_free(pf_dev->ctrl_area);
+ rte_free(pf_dev->app_fw_priv);
+}
+
+void
+nfp_pf_uninit(struct nfp_pf_dev *pf_dev)
+{
+ nfp_cpp_area_release_free(pf_dev->qc_area);
+ free(pf_dev->sym_tbl);
+ if (pf_dev->multi_pf.enabled) {
+ nfp_net_keepalive_stop(&pf_dev->multi_pf);
+ nfp_net_keepalive_uninit(&pf_dev->multi_pf);
+ }
+ free(pf_dev->nfp_eth_table);
+ free(pf_dev->hwinfo);
+ nfp_cpp_free(pf_dev->cpp);
+ rte_free(pf_dev);
+}
+
+static int
+nfp_pf_secondary_uninit(struct nfp_pf_dev *pf_dev)
+{
+ free(pf_dev->sym_tbl);
+ rte_free(pf_dev);
+
+ return 0;
+}
+
/* Reset and stop device. The device can not be restarted. */
static int
nfp_net_close(struct rte_eth_dev *dev)
@@ -333,14 +381,25 @@ nfp_net_close(struct rte_eth_dev *dev)
struct rte_pci_device *pci_dev;
struct nfp_app_fw_nic *app_fw_nic;
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
- return 0;
-
hw = dev->data->dev_private;
pf_dev = hw->pf_dev;
pci_dev = RTE_ETH_DEV_TO_PCI(dev);
app_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv);
+ /*
+ * In secondary process, a released eth device can be found by its name
+ * in shared memory.
+ * If the state of the eth device is RTE_ETH_DEV_UNUSED, it means the
+ * eth device has been released.
+ */
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ if (dev->state == RTE_ETH_DEV_UNUSED)
+ return 0;
+
+ nfp_pf_secondary_uninit(pf_dev);
+ return 0;
+ }
+
/*
* We assume that the DPDK application is stopping all the
* threads/queues before calling the device close function.
@@ -351,16 +410,17 @@ nfp_net_close(struct rte_eth_dev *dev)
nfp_net_close_tx_queue(dev);
nfp_net_close_rx_queue(dev);
- /* Clear ipsec */
- nfp_ipsec_uninit(dev);
-
/* Cancel possible impending LSC work here before releasing the port */
rte_eal_alarm_cancel(nfp_net_dev_interrupt_delayed_handler, (void
*)dev);
/* Only free PF resources after all physical ports have been closed */
/* Mark this port as unused and free device priv resources */
nn_cfg_writeb(&hw->super, NFP_NET_CFG_LSC, 0xff);
- app_fw_nic->ports[hw->idx] = NULL;
+
+ if (pf_dev->app_fw_id != NFP_APP_FW_CORE_NIC)
+ return -EINVAL;
+
+ nfp_cleanup_port_app_fw_nic(pf_dev, hw->idx);
for (i = 0; i < app_fw_nic->total_phyports; i++) {
id = nfp_function_id_get(pf_dev, i);
@@ -370,26 +430,16 @@ nfp_net_close(struct rte_eth_dev *dev)
return 0;
}
- /* Now it is safe to free all PF resources */
- PMD_INIT_LOG(INFO, "Freeing PF resources");
- if (pf_dev->multi_pf.enabled) {
- nfp_net_keepalive_stop(&pf_dev->multi_pf);
- nfp_net_keepalive_uninit(&pf_dev->multi_pf);
- }
- nfp_cpp_area_free(pf_dev->ctrl_area);
- nfp_cpp_area_free(pf_dev->qc_area);
- free(pf_dev->hwinfo);
- free(pf_dev->sym_tbl);
- nfp_cpp_free(pf_dev->cpp);
- rte_free(app_fw_nic);
- rte_free(pf_dev);
-
+ /* Enable in nfp_net_start() */
rte_intr_disable(pci_dev->intr_handle);
- /* Unregister callback func from eal lib */
+ /* Register in nfp_net_init() */
rte_intr_callback_unregister(pci_dev->intr_handle,
nfp_net_dev_interrupt_handler, (void *)dev);
+ nfp_uninit_app_fw_nic(pf_dev);
+ nfp_pf_uninit(pf_dev);
+
return 0;
}
diff --git a/drivers/net/nfp/nfp_net_common.h b/drivers/net/nfp/nfp_net_common.h
index 30fea7ae02..ded491cbdc 100644
--- a/drivers/net/nfp/nfp_net_common.h
+++ b/drivers/net/nfp/nfp_net_common.h
@@ -272,6 +272,7 @@ int nfp_net_flow_ctrl_get(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
int nfp_net_flow_ctrl_set(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
+void nfp_pf_uninit(struct nfp_pf_dev *pf_dev);
#define NFP_PRIV_TO_APP_FW_NIC(app_fw_priv)\
((struct nfp_app_fw_nic *)app_fw_priv)
--
2.39.1
