From e191360ceedf5f4924f36ce36383e2c6fbd20c1f Mon Sep 17 00:00:00 2001 From: Sunil Kumar Kori Date: Wed, 23 Jun 2021 10:16:46 +0530 Subject: [PATCH] net/cnxk: support close and reset Patch implements device close and reset operations for cn9k and cn10k platforms. Signed-off-by: Sunil Kumar Kori --- drivers/net/cnxk/cnxk_ethdev.c | 35 +++++++++++++++++++++++++++------- 1 file changed, 28 insertions(+), 7 deletions(-) diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c index 81cd04e0c7..24f02e6a28 100644 --- a/drivers/net/cnxk/cnxk_ethdev.c +++ b/drivers/net/cnxk/cnxk_ethdev.c @@ -1166,6 +1166,9 @@ rx_disable: return rc; } +static int cnxk_nix_dev_reset(struct rte_eth_dev *eth_dev); +static int cnxk_nix_dev_close(struct rte_eth_dev *eth_dev); + /* CNXK platform independent eth dev ops */ struct eth_dev_ops cnxk_eth_dev_ops = { .mtu_set = cnxk_nix_mtu_set, @@ -1177,6 +1180,8 @@ struct eth_dev_ops cnxk_eth_dev_ops = { .tx_queue_release = cnxk_nix_tx_queue_release, .rx_queue_release = cnxk_nix_rx_queue_release, .dev_stop = cnxk_nix_dev_stop, + .dev_close = cnxk_nix_dev_close, + .dev_reset = cnxk_nix_dev_reset, .tx_queue_start = cnxk_nix_tx_queue_start, .rx_queue_start = cnxk_nix_rx_queue_start, .rx_queue_stop = cnxk_nix_rx_queue_stop, @@ -1316,7 +1321,7 @@ error: } static int -cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) +cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool reset) { struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev); const struct eth_dev_ops *dev_ops = eth_dev->dev_ops; @@ -1370,14 +1375,11 @@ cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) rte_free(eth_dev->data->mac_addrs); eth_dev->data->mac_addrs = NULL; - /* Check if mbox close is needed */ - if (!mbox_close) - return 0; - rc = roc_nix_dev_fini(nix); /* Can be freed later by PMD if NPA LF is in use */ if (rc == -EAGAIN) { - eth_dev->data->dev_private = NULL; + if (!reset) + eth_dev->data->dev_private = NULL; return 0; } else if (rc) { plt_err("Failed in nix dev fini, rc=%d", rc); @@ -1386,6 +1388,25 @@ cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) return rc; } +static int +cnxk_nix_dev_close(struct rte_eth_dev *eth_dev) +{ + cnxk_eth_dev_uninit(eth_dev, false); + return 0; +} + +static int +cnxk_nix_dev_reset(struct rte_eth_dev *eth_dev) +{ + int rc; + + rc = cnxk_eth_dev_uninit(eth_dev, true); + if (rc) + return rc; + + return cnxk_eth_dev_init(eth_dev); +} + int cnxk_nix_remove(struct rte_pci_device *pci_dev) { @@ -1396,7 +1417,7 @@ cnxk_nix_remove(struct rte_pci_device *pci_dev) eth_dev = rte_eth_dev_allocated(pci_dev->device.name); if (eth_dev) { /* Cleanup eth dev */ - rc = cnxk_eth_dev_uninit(eth_dev, true); + rc = cnxk_eth_dev_uninit(eth_dev, false); if (rc) return rc; -- 2.20.1