From 734abb464fc181e36a75c52f1019de095df9dfd4 Mon Sep 17 00:00:00 2001 From: Nithin Dabilpuram Date: Sun, 30 Jun 2019 14:59:49 +0530 Subject: [PATCH] net/octeontx2: add device stop and close operations Add device stop, close and reset operations. Signed-off-by: Nithin Dabilpuram Signed-off-by: Vamsi Attunuru --- drivers/net/octeontx2/otx2_ethdev.c | 75 +++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c index 113d382c61..ddbb111674 100644 --- a/drivers/net/octeontx2/otx2_ethdev.c +++ b/drivers/net/octeontx2/otx2_ethdev.c @@ -184,6 +184,19 @@ cgx_intlbk_enable(struct otx2_eth_dev *dev, bool en) return otx2_mbox_process(mbox); } +static int +nix_cgx_stop_link_event(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf(dev)) + return 0; + + otx2_mbox_alloc_msg_cgx_stop_linkevents(mbox); + + return otx2_mbox_process(mbox); +} + static inline void nix_rx_queue_reset(struct otx2_eth_rxq *rxq) { @@ -1208,6 +1221,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) if (dev->configured == 1) { otx2_nix_rxchan_bpid_cfg(eth_dev, false); otx2_nix_vlan_fini(eth_dev); + otx2_flow_free_all_resources(dev); oxt2_nix_unregister_queue_irqs(eth_dev); nix_set_nop_rxtx_function(eth_dev); rc = nix_store_queue_cfg_and_then_release(eth_dev); @@ -1425,6 +1439,37 @@ done: return rc; } +static void +otx2_nix_dev_stop(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct rte_mbuf *rx_pkts[32]; + struct otx2_eth_rxq *rxq; + int count, i, j, rc; + + nix_cgx_stop_link_event(dev); + npc_rx_disable(dev); + + /* Stop rx queues and free up pkts pending */ + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { + rc = otx2_nix_rx_queue_stop(eth_dev, i); + if (rc) + continue; + + rxq = eth_dev->data->rx_queues[i]; + count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32); + while (count) { + for (j = 0; j < count; j++) + rte_pktmbuf_free(rx_pkts[j]); + count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32); + } + } + + /* Stop tx queues */ + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) + otx2_nix_tx_queue_stop(eth_dev, i); +} + static int otx2_nix_dev_start(struct rte_eth_dev *eth_dev) { @@ -1477,6 +1522,8 @@ rx_disable: return rc; } +static int otx2_nix_dev_reset(struct rte_eth_dev *eth_dev); +static void otx2_nix_dev_close(struct rte_eth_dev *eth_dev); /* Initialize and register driver with DPDK Application */ static const struct eth_dev_ops otx2_eth_dev_ops = { @@ -1488,11 +1535,14 @@ static const struct eth_dev_ops otx2_eth_dev_ops = { .rx_queue_setup = otx2_nix_rx_queue_setup, .rx_queue_release = otx2_nix_rx_queue_release, .dev_start = otx2_nix_dev_start, + .dev_stop = otx2_nix_dev_stop, + .dev_close = otx2_nix_dev_close, .tx_queue_start = otx2_nix_tx_queue_start, .tx_queue_stop = otx2_nix_tx_queue_stop, .rx_queue_start = otx2_nix_rx_queue_start, .rx_queue_stop = otx2_nix_rx_queue_stop, .dev_supported_ptypes_get = otx2_nix_supported_ptypes_get, + .dev_reset = otx2_nix_dev_reset, .stats_get = otx2_nix_dev_stats_get, .stats_reset = otx2_nix_dev_stats_reset, .get_reg = otx2_nix_dev_get_reg, @@ -1744,9 +1794,14 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; + /* Clear the flag since we are closing down */ + dev->configured = 0; + /* Disable nix bpid config */ otx2_nix_rxchan_bpid_cfg(eth_dev, false); + npc_rx_disable(dev); + /* Disable vlan offloads */ otx2_nix_vlan_fini(eth_dev); @@ -1757,6 +1812,8 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) if (otx2_ethdev_is_ptp_en(dev)) otx2_nix_timesync_disable(eth_dev); + nix_cgx_stop_link_event(dev); + /* Free up SQs */ for (i = 0; i < eth_dev->data->nb_tx_queues; i++) { otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]); @@ -1812,6 +1869,24 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) return 0; } +static void +otx2_nix_dev_close(struct rte_eth_dev *eth_dev) +{ + otx2_eth_dev_uninit(eth_dev, true); +} + +static int +otx2_nix_dev_reset(struct rte_eth_dev *eth_dev) +{ + int rc; + + rc = otx2_eth_dev_uninit(eth_dev, false); + if (rc) + return rc; + + return otx2_eth_dev_init(eth_dev); +} + static int nix_remove(struct rte_pci_device *pci_dev) { -- 2.20.1