Add a check function for the NFD version, this will make the logics which using this version free from validaty check, thus simplify the driver.
Signed-off-by: Chaoyong He <[email protected]> Reviewed-by: Niklas Söderlund <[email protected]> --- drivers/net/nfp/flower/nfp_flower.c | 3 +++ drivers/net/nfp/nfp_common.c | 37 ++++++++++++++++++----------- drivers/net/nfp/nfp_common.h | 1 + drivers/net/nfp/nfp_ethdev.c | 35 +++++++++------------------ drivers/net/nfp/nfp_ethdev_vf.c | 32 ++++++++----------------- drivers/net/nfp/nfp_rxtx.c | 14 ++--------- 6 files changed, 50 insertions(+), 72 deletions(-) diff --git a/drivers/net/nfp/flower/nfp_flower.c b/drivers/net/nfp/flower/nfp_flower.c index c5cc537790..afb4e5b344 100644 --- a/drivers/net/nfp/flower/nfp_flower.c +++ b/drivers/net/nfp/flower/nfp_flower.c @@ -649,6 +649,9 @@ nfp_flower_init_vnic_common(struct nfp_net_hw *hw, const char *vnic_type) /* Get some of the read-only fields from the config BAR */ nfp_net_cfg_read_version(hw); + if (!nfp_net_is_valid_nfd_version(hw->ver)) + return -EINVAL; + hw->cap = nn_cfg_readl(hw, NFP_NET_CFG_CAP); hw->max_mtu = nn_cfg_readl(hw, NFP_NET_CFG_MAX_MTU); /* Set the current MTU to the maximum supported */ diff --git a/drivers/net/nfp/nfp_common.c b/drivers/net/nfp/nfp_common.c index 497128f6a6..08f9529ead 100644 --- a/drivers/net/nfp/nfp_common.c +++ b/drivers/net/nfp/nfp_common.c @@ -1162,22 +1162,10 @@ nfp_net_tx_desc_limits(struct nfp_net_hw *hw, { uint16_t tx_dpp; - switch (hw->ver.extend) { - case NFP_NET_CFG_VERSION_DP_NFD3: + if (hw->ver.extend == NFP_NET_CFG_VERSION_DP_NFD3) tx_dpp = NFD3_TX_DESC_PER_PKT; - break; - case NFP_NET_CFG_VERSION_DP_NFDK: - if (hw->ver.major < 5) { - PMD_DRV_LOG(ERR, "NFDK must use ABI 5 or newer, found: %d", - hw->ver.major); - return -EINVAL; - } + else tx_dpp = NFDK_TX_DESC_PER_SIMPLE_PKT; - break; - default: - PMD_DRV_LOG(ERR, "The version of firmware is not correct."); - return -EINVAL; - } *max_tx_desc = NFP_NET_MAX_TX_DESC / tx_dpp; @@ -2106,3 +2094,24 @@ nfp_repr_firmware_version_get(struct rte_eth_dev *dev, return 0; } + +bool +nfp_net_is_valid_nfd_version(struct nfp_net_fw_ver version) +{ + uint8_t nfd_version = version.extend; + + if (nfd_version == NFP_NET_CFG_VERSION_DP_NFD3) + return true; + + if (nfd_version == NFP_NET_CFG_VERSION_DP_NFDK) { + if (version.major < 5) { + PMD_INIT_LOG(ERR, "NFDK must use ABI 5 or newer, found: %d", + version.major); + return false; + } + + return true; + } + + return false; +} diff --git a/drivers/net/nfp/nfp_common.h b/drivers/net/nfp/nfp_common.h index 2281445861..acb34535c5 100644 --- a/drivers/net/nfp/nfp_common.h +++ b/drivers/net/nfp/nfp_common.h @@ -444,6 +444,7 @@ void nfp_net_init_metadata_format(struct nfp_net_hw *hw); void nfp_net_cfg_read_version(struct nfp_net_hw *hw); int nfp_net_firmware_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size); int nfp_repr_firmware_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size); +bool nfp_net_is_valid_nfd_version(struct nfp_net_fw_ver version); #define NFP_NET_DEV_PRIVATE_TO_HW(adapter)\ (&((struct nfp_net_adapter *)adapter)->hw) diff --git a/drivers/net/nfp/nfp_ethdev.c b/drivers/net/nfp/nfp_ethdev.c index e84d2ac82e..0ccb543f14 100644 --- a/drivers/net/nfp/nfp_ethdev.c +++ b/drivers/net/nfp/nfp_ethdev.c @@ -474,31 +474,18 @@ static const struct eth_dev_ops nfp_net_eth_dev_ops = { .fw_version_get = nfp_net_firmware_version_get, }; -static inline int -nfp_net_ethdev_ops_mount(struct nfp_net_hw *hw, struct rte_eth_dev *eth_dev) +static inline void +nfp_net_ethdev_ops_mount(struct nfp_net_hw *hw, + struct rte_eth_dev *eth_dev) { - switch (hw->ver.extend) { - case NFP_NET_CFG_VERSION_DP_NFD3: - eth_dev->tx_pkt_burst = &nfp_net_nfd3_xmit_pkts; - break; - case NFP_NET_CFG_VERSION_DP_NFDK: - if (hw->ver.major < 5) { - PMD_DRV_LOG(ERR, "NFDK must use ABI 5 or newer, found: %d", - hw->ver.major); - return -EINVAL; - } - eth_dev->tx_pkt_burst = &nfp_net_nfdk_xmit_pkts; - break; - default: - PMD_DRV_LOG(ERR, "The version of firmware is not correct."); - return -EINVAL; - } + if (hw->ver.extend == NFP_NET_CFG_VERSION_DP_NFD3) + eth_dev->tx_pkt_burst = nfp_net_nfd3_xmit_pkts; + else + eth_dev->tx_pkt_burst = nfp_net_nfdk_xmit_pkts; eth_dev->dev_ops = &nfp_net_eth_dev_ops; eth_dev->rx_queue_count = nfp_net_rx_queue_count; eth_dev->rx_pkt_burst = &nfp_net_recv_pkts; - - return 0; } static int @@ -583,12 +570,13 @@ nfp_net_init(struct rte_eth_dev *eth_dev) PMD_INIT_LOG(DEBUG, "MAC stats: %p", hw->mac_stats); nfp_net_cfg_read_version(hw); + if (!nfp_net_is_valid_nfd_version(hw->ver)) + return -EINVAL; if (nfp_net_check_dma_mask(hw, pci_dev->name) != 0) return -ENODEV; - if (nfp_net_ethdev_ops_mount(hw, eth_dev)) - return -EINVAL; + nfp_net_ethdev_ops_mount(hw, eth_dev); hw->max_rx_queues = nn_cfg_readl(hw, NFP_NET_CFG_MAX_RXRINGS); hw->max_tx_queues = nn_cfg_readl(hw, NFP_NET_CFG_MAX_TXRINGS); @@ -1133,8 +1121,7 @@ nfp_secondary_init_app_fw_nic(struct rte_pci_device *pci_dev, eth_dev->process_private = cpp; hw = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); - if (nfp_net_ethdev_ops_mount(hw, eth_dev)) - return -EINVAL; + nfp_net_ethdev_ops_mount(hw, eth_dev); rte_eth_dev_probing_finish(eth_dev); } diff --git a/drivers/net/nfp/nfp_ethdev_vf.c b/drivers/net/nfp/nfp_ethdev_vf.c index 71f5020ecd..f971bb8903 100644 --- a/drivers/net/nfp/nfp_ethdev_vf.c +++ b/drivers/net/nfp/nfp_ethdev_vf.c @@ -244,31 +244,18 @@ static const struct eth_dev_ops nfp_netvf_eth_dev_ops = { .fw_version_get = nfp_net_firmware_version_get, }; -static inline int -nfp_netvf_ethdev_ops_mount(struct nfp_net_hw *hw, struct rte_eth_dev *eth_dev) +static inline void +nfp_netvf_ethdev_ops_mount(struct nfp_net_hw *hw, + struct rte_eth_dev *eth_dev) { - switch (hw->ver.extend) { - case NFP_NET_CFG_VERSION_DP_NFD3: - eth_dev->tx_pkt_burst = &nfp_net_nfd3_xmit_pkts; - break; - case NFP_NET_CFG_VERSION_DP_NFDK: - if (hw->ver.major < 5) { - PMD_DRV_LOG(ERR, "NFDK must use ABI 5 or newer, found: %d", - hw->ver.major); - return -EINVAL; - } - eth_dev->tx_pkt_burst = &nfp_net_nfdk_xmit_pkts; - break; - default: - PMD_DRV_LOG(ERR, "The version of firmware is not correct."); - return -EINVAL; - } + if (hw->ver.extend == NFP_NET_CFG_VERSION_DP_NFD3) + eth_dev->tx_pkt_burst = nfp_net_nfd3_xmit_pkts; + else + eth_dev->tx_pkt_burst = nfp_net_nfdk_xmit_pkts; eth_dev->dev_ops = &nfp_netvf_eth_dev_ops; eth_dev->rx_queue_count = nfp_net_rx_queue_count; eth_dev->rx_pkt_burst = &nfp_net_recv_pkts; - - return 0; } static int @@ -300,12 +287,13 @@ nfp_netvf_init(struct rte_eth_dev *eth_dev) PMD_INIT_LOG(DEBUG, "ctrl bar: %p", hw->ctrl_bar); nfp_net_cfg_read_version(hw); + if (!nfp_net_is_valid_nfd_version(hw->ver)) + return -EINVAL; if (nfp_net_check_dma_mask(hw, pci_dev->name) != 0) return -ENODEV; - if (nfp_netvf_ethdev_ops_mount(hw, eth_dev)) - return -EINVAL; + nfp_netvf_ethdev_ops_mount(hw, eth_dev); /* For secondary processes, the primary has done all the work */ if (rte_eal_process_type() != RTE_PROC_PRIMARY) diff --git a/drivers/net/nfp/nfp_rxtx.c b/drivers/net/nfp/nfp_rxtx.c index 0ac9d6db03..ce9a07309e 100644 --- a/drivers/net/nfp/nfp_rxtx.c +++ b/drivers/net/nfp/nfp_rxtx.c @@ -889,20 +889,10 @@ nfp_net_tx_queue_setup(struct rte_eth_dev *dev, hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); - switch (hw->ver.extend) { - case NFP_NET_CFG_VERSION_DP_NFD3: + if (hw->ver.extend == NFP_NET_CFG_VERSION_DP_NFD3) return nfp_net_nfd3_tx_queue_setup(dev, queue_idx, nb_desc, socket_id, tx_conf); - case NFP_NET_CFG_VERSION_DP_NFDK: - if (hw->ver.major < 5) { - PMD_DRV_LOG(ERR, "NFDK must use ABI 5 or newer, found: %d", - hw->ver.major); - return -EINVAL; - } + else return nfp_net_nfdk_tx_queue_setup(dev, queue_idx, nb_desc, socket_id, tx_conf); - default: - PMD_DRV_LOG(ERR, "The version of firmware is not correct."); - return -EINVAL; - } } -- 2.39.1

