Fix the resource leak problem in the exit logic of flower firmware. Fixes: e1124c4f8a45 ("net/nfp: add flower representor framework") 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/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(-) diff --git a/drivers/net/nfp/flower/nfp_flower.c b/drivers/net/nfp/flower/nfp_flower.c index 6b523d98b0..3698a3d4aa 100644 --- a/drivers/net/nfp/flower/nfp_flower.c +++ b/drivers/net/nfp/flower/nfp_flower.c @@ -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) { diff --git a/drivers/net/nfp/flower/nfp_flower.h b/drivers/net/nfp/flower/nfp_flower.h index 6f27c06acc..8393de66c5 100644 --- a/drivers/net/nfp/flower/nfp_flower.h +++ b/drivers/net/nfp/flower/nfp_flower.h @@ -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, diff --git a/drivers/net/nfp/flower/nfp_flower_representor.c b/drivers/net/nfp/flower/nfp_flower_representor.c index 7212d9e024..02089d390e 100644 --- a/drivers/net/nfp/flower/nfp_flower_representor.c +++ b/drivers/net/nfp/flower/nfp_flower_representor.c @@ -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, -- 2.39.1