[6/7] net/nfp: fix resource leak for exit of flower firmware
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Commit Message
Fix the resource leak problem in the exit logic of flower firmware.
Fixes: e1124c4f8a45 ("net/nfp: add flower representor framework")
Cc: stable@dpdk.org
Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Peng Zhang <peng.zhang@corigine.com>
---
drivers/net/nfp/flower/nfp_flower.c | 73 ++++---------------
drivers/net/nfp/flower/nfp_flower.h | 1 +
.../net/nfp/flower/nfp_flower_representor.c | 64 ++++++++++++++++
3 files changed, 80 insertions(+), 58 deletions(-)
@@ -82,63 +82,6 @@ nfp_flower_pf_start(struct rte_eth_dev *dev)
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 = 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);
-
- nfp_mtr_priv_uninit(pf_dev);
-
- /*
- * 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 = 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 = 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->super, NFP_NET_CFG_LSC, 0xff);
-
- /* 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->qc_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,
@@ -146,7 +89,6 @@ static const struct eth_dev_ops nfp_flower_pf_vnic_ops = {
.dev_start = nfp_flower_pf_start,
.dev_stop = nfp_net_stop,
- .dev_close = nfp_flower_pf_close,
};
static inline struct nfp_flower_representor *
@@ -858,6 +800,21 @@ nfp_init_app_fw_flower(struct nfp_pf_dev *pf_dev,
return ret;
}
+void
+nfp_uninit_app_fw_flower(struct nfp_pf_dev *pf_dev)
+{
+ struct nfp_app_fw_flower *app_fw_flower;
+
+ app_fw_flower = pf_dev->app_fw_priv;
+ nfp_flower_cleanup_ctrl_vnic(app_fw_flower->ctrl_hw);
+ nfp_cpp_area_free(app_fw_flower->ctrl_hw->ctrl_area);
+ nfp_cpp_area_free(pf_dev->ctrl_area);
+ rte_free(app_fw_flower->pf_hw);
+ nfp_mtr_priv_uninit(pf_dev);
+ nfp_flow_priv_uninit(pf_dev);
+ rte_free(app_fw_flower);
+}
+
int
nfp_secondary_init_app_fw_flower(struct nfp_pf_dev *pf_dev)
{
@@ -106,6 +106,7 @@ nfp_flower_support_decap_v2(const struct nfp_app_fw_flower *app_fw_flower)
int nfp_init_app_fw_flower(struct nfp_pf_dev *pf_dev,
const struct nfp_dev_info *dev_info);
+void nfp_uninit_app_fw_flower(struct nfp_pf_dev *pf_dev);
int nfp_secondary_init_app_fw_flower(struct nfp_pf_dev *pf_dev);
bool nfp_flower_pf_dispatch_pkts(struct nfp_net_hw *hw,
struct rte_mbuf *mbuf,
@@ -328,12 +328,75 @@ nfp_flower_repr_free(struct nfp_flower_representor *repr,
}
}
+/* Reset and stop device. The device can not be restarted. */
+static int
+nfp_flower_repr_dev_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 = dev->data->dev_private;
+ app_fw_flower = repr->app_fw_flower;
+ hw = app_fw_flower->pf_hw;
+ pf_dev = hw->pf_dev;
+
+ /*
+ * 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 = 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 = dev->data->rx_queues[i];
+ nfp_net_reset_rx_queue(this_rx_q);
+ }
+
+ if (pf_dev->app_fw_id != NFP_APP_FW_FLOWER_NIC)
+ return -EINVAL;
+
+ nfp_flower_repr_free(repr, repr->repr_type);
+
+ for (i = 0; i < MAX_FLOWER_VFS; i++) {
+ if (app_fw_flower->vf_reprs[i] != NULL)
+ return 0;
+ }
+
+ for (i = 0; i < NFP_MAX_PHYPORTS; i++) {
+ if (app_fw_flower->phy_reprs[i] != NULL)
+ return 0;
+ }
+
+ if (app_fw_flower->pf_repr != NULL)
+ return 0;
+
+ /* Now it is safe to free all PF resources */
+ nfp_uninit_app_fw_flower(pf_dev);
+ nfp_pf_uninit(pf_dev);
+
+ return 0;
+}
+
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_net_configure,
.dev_stop = nfp_net_stop,
+ .dev_close = nfp_flower_repr_dev_close,
.rx_queue_setup = nfp_net_rx_queue_setup,
.tx_queue_setup = nfp_net_tx_queue_setup,
@@ -356,6 +419,7 @@ static const struct eth_dev_ops nfp_flower_repr_dev_ops = {
.dev_start = nfp_flower_repr_dev_start,
.dev_configure = nfp_net_configure,
.dev_stop = nfp_flower_repr_dev_stop,
+ .dev_close = nfp_flower_repr_dev_close,
.rx_queue_setup = nfp_flower_repr_rx_queue_setup,
.tx_queue_setup = nfp_flower_repr_tx_queue_setup,