From 9d276b439aafab582c5e07e82ded75570b4dc9b4 Mon Sep 17 00:00:00 2001 From: Somnath Kotur Date: Thu, 24 Dec 2020 15:07:33 +0530 Subject: [PATCH] net/bnxt: fix error handling in device start Call bnxt_dev_stop in error path of bnxt_dev_start_op() to keep it simple and consistent Fixes: c09f57b49c13 ("net/bnxt: add start/stop/link update operations") Cc: stable@dpdk.org Signed-off-by: Somnath Kotur Reviewed-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_ethdev.c | 144 ++++++++++++++++----------------- 1 file changed, 70 insertions(+), 74 deletions(-) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index bd7bcbdfdf..b4a23366ee 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -1260,80 +1260,6 @@ static int bnxt_handle_if_change_status(struct bnxt *bp) return rc; } -static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev) -{ - struct bnxt *bp = eth_dev->data->dev_private; - uint64_t rx_offloads = eth_dev->data->dev_conf.rxmode.offloads; - int vlan_mask = 0; - int rc, retry_cnt = BNXT_IF_CHANGE_RETRY_COUNT; - - if (!eth_dev->data->nb_tx_queues || !eth_dev->data->nb_rx_queues) { - PMD_DRV_LOG(ERR, "Queues are not configured yet!\n"); - return -EINVAL; - } - - if (bp->rx_cp_nr_rings > RTE_ETHDEV_QUEUE_STAT_CNTRS) - PMD_DRV_LOG(ERR, - "RxQ cnt %d > RTE_ETHDEV_QUEUE_STAT_CNTRS %d\n", - bp->rx_cp_nr_rings, RTE_ETHDEV_QUEUE_STAT_CNTRS); - - do { - rc = bnxt_hwrm_if_change(bp, true); - if (rc == 0 || rc != -EAGAIN) - break; - - rte_delay_ms(BNXT_IF_CHANGE_RETRY_INTERVAL); - } while (retry_cnt--); - - if (rc) - return rc; - - if (bp->flags & BNXT_FLAG_IF_CHANGE_HOT_FW_RESET_DONE) { - rc = bnxt_handle_if_change_status(bp); - if (rc) - return rc; - } - - bnxt_enable_int(bp); - - rc = bnxt_init_chip(bp); - if (rc) - goto error; - - eth_dev->data->scattered_rx = bnxt_scattered_rx(eth_dev); - eth_dev->data->dev_started = 1; - - bnxt_link_update_op(eth_dev, 1); - - if (rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER) - vlan_mask |= ETH_VLAN_FILTER_MASK; - if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) - vlan_mask |= ETH_VLAN_STRIP_MASK; - rc = bnxt_vlan_offload_set_op(eth_dev, vlan_mask); - if (rc) - goto error; - - /* Initialize bnxt ULP port details */ - rc = bnxt_ulp_port_init(bp); - if (rc) - goto error; - - eth_dev->rx_pkt_burst = bnxt_receive_function(eth_dev); - eth_dev->tx_pkt_burst = bnxt_transmit_function(eth_dev); - - bnxt_schedule_fw_health_check(bp); - - return 0; - -error: - bnxt_shutdown_nic(bp); - bnxt_free_tx_mbufs(bp); - bnxt_free_rx_mbufs(bp); - bnxt_hwrm_if_change(bp, false); - eth_dev->data->dev_started = 0; - return rc; -} - static int bnxt_dev_set_link_up_op(struct rte_eth_dev *eth_dev) { struct bnxt *bp = eth_dev->data->dev_private; @@ -1440,6 +1366,76 @@ static int bnxt_dev_stop_op(struct rte_eth_dev *eth_dev) return 0; } +static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev) +{ + struct bnxt *bp = eth_dev->data->dev_private; + uint64_t rx_offloads = eth_dev->data->dev_conf.rxmode.offloads; + int vlan_mask = 0; + int rc, retry_cnt = BNXT_IF_CHANGE_RETRY_COUNT; + + if (!eth_dev->data->nb_tx_queues || !eth_dev->data->nb_rx_queues) { + PMD_DRV_LOG(ERR, "Queues are not configured yet!\n"); + return -EINVAL; + } + + if (bp->rx_cp_nr_rings > RTE_ETHDEV_QUEUE_STAT_CNTRS) + PMD_DRV_LOG(ERR, + "RxQ cnt %d > RTE_ETHDEV_QUEUE_STAT_CNTRS %d\n", + bp->rx_cp_nr_rings, RTE_ETHDEV_QUEUE_STAT_CNTRS); + + do { + rc = bnxt_hwrm_if_change(bp, true); + if (rc == 0 || rc != -EAGAIN) + break; + + rte_delay_ms(BNXT_IF_CHANGE_RETRY_INTERVAL); + } while (retry_cnt--); + + if (rc) + return rc; + + if (bp->flags & BNXT_FLAG_IF_CHANGE_HOT_FW_RESET_DONE) { + rc = bnxt_handle_if_change_status(bp); + if (rc) + return rc; + } + + bnxt_enable_int(bp); + + rc = bnxt_init_chip(bp); + if (rc) + goto error; + + eth_dev->data->scattered_rx = bnxt_scattered_rx(eth_dev); + eth_dev->data->dev_started = 1; + + bnxt_link_update_op(eth_dev, 1); + + if (rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER) + vlan_mask |= ETH_VLAN_FILTER_MASK; + if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) + vlan_mask |= ETH_VLAN_STRIP_MASK; + rc = bnxt_vlan_offload_set_op(eth_dev, vlan_mask); + if (rc) + goto error; + + /* Initialize bnxt ULP port details */ + rc = bnxt_ulp_port_init(bp); + if (rc) + goto error; + + eth_dev->rx_pkt_burst = bnxt_receive_function(eth_dev); + eth_dev->tx_pkt_burst = bnxt_transmit_function(eth_dev); + + bnxt_schedule_fw_health_check(bp); + + return 0; + +error: + bnxt_dev_stop_op(eth_dev); + return rc; +} + static void bnxt_uninit_locks(struct bnxt *bp) { -- 2.20.1