From: Peng Zhang <peng.zh...@corigine.com> The basic logic is the same for PF, VF and representor port. Split out the initializing device information logics into a helper function to reduce code duplication.
Signed-off-by: Peng Zhang <peng.zh...@corigine.com> Reviewed-by: Chaoyong He <chaoyong...@corigine.com> Reviewed by: Long Wu <long...@corigine.com> --- drivers/net/nfp/flower/nfp_flower.c | 36 +++------------------- drivers/net/nfp/nfp_common.c | 46 ++++++++++++++++++++++++++++ drivers/net/nfp/nfp_common.h | 1 + drivers/net/nfp/nfp_ethdev.c | 39 +++--------------------- drivers/net/nfp/nfp_ethdev_vf.c | 47 ++--------------------------- 5 files changed, 58 insertions(+), 111 deletions(-) diff --git a/drivers/net/nfp/flower/nfp_flower.c b/drivers/net/nfp/flower/nfp_flower.c index 53ee936f4c..11783ef273 100644 --- a/drivers/net/nfp/flower/nfp_flower.c +++ b/drivers/net/nfp/flower/nfp_flower.c @@ -338,26 +338,21 @@ nfp_flower_pf_xmit_pkts(void *tx_queue, static int nfp_flower_init_vnic_common(struct nfp_net_hw *hw, const char *vnic_type) { + int err; uint32_t start_q; uint64_t rx_bar_off; uint64_t tx_bar_off; - const int stride = 4; struct nfp_pf_dev *pf_dev; struct rte_pci_device *pci_dev; pf_dev = hw->pf_dev; pci_dev = hw->pf_dev->pci_dev; - hw->device_id = pci_dev->id.device_id; - hw->vendor_id = pci_dev->id.vendor_id; - hw->subsystem_device_id = pci_dev->id.subsystem_device_id; - hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; - PMD_INIT_LOG(DEBUG, "%s vNIC ctrl bar: %p", vnic_type, hw->ctrl_bar); - /* Read the number of available rx/tx queues from hardware */ - 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); + err = nfp_net_common_init(pci_dev, hw); + if (err != 0) + return err; /* Work out where in the BAR the queues start */ start_q = nn_cfg_readl(hw, NFP_NET_CFG_START_TXQ); @@ -368,31 +363,8 @@ nfp_flower_init_vnic_common(struct nfp_net_hw *hw, const char *vnic_type) hw->tx_bar = pf_dev->hw_queues + tx_bar_off; hw->rx_bar = pf_dev->hw_queues + rx_bar_off; - /* 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); - nfp_net_init_metadata_format(hw); - - hw->max_mtu = nn_cfg_readl(hw, NFP_NET_CFG_MAX_MTU); /* Set the current MTU to the maximum supported */ hw->mtu = hw->max_mtu; - hw->flbufsz = DEFAULT_FLBUF_SIZE; - - if (nfp_net_check_dma_mask(hw, pci_dev->name) != 0) - return -ENODEV; - - /* read the Rx offset configured from firmware */ - if (hw->ver.major < 2) - hw->rx_offset = NFP_NET_RX_OFFSET; - else - hw->rx_offset = nn_cfg_readl(hw, NFP_NET_CFG_RX_OFFSET_ADDR); - - hw->ctrl = 0; - hw->stride_rx = stride; - hw->stride_tx = stride; /* Reuse cfg queue setup function */ nfp_net_cfg_queue_setup(hw); diff --git a/drivers/net/nfp/nfp_common.c b/drivers/net/nfp/nfp_common.c index 18f974d0e4..5092e5869d 100644 --- a/drivers/net/nfp/nfp_common.c +++ b/drivers/net/nfp/nfp_common.c @@ -1321,6 +1321,52 @@ nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) return 0; } +int +nfp_net_common_init(struct rte_pci_device *pci_dev, + struct nfp_net_hw *hw) +{ + const int stride = 4; + + hw->device_id = pci_dev->id.device_id; + hw->vendor_id = pci_dev->id.vendor_id; + hw->subsystem_device_id = pci_dev->id.subsystem_device_id; + hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; + + 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); + if (hw->max_rx_queues == 0 || hw->max_tx_queues == 0) { + PMD_INIT_LOG(ERR, "Device %s can not be used, there are no valid queue " + "pairs for use", pci_dev->name); + return -ENODEV; + } + + 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; + + /* Get some of the read-only fields from the config BAR */ + hw->cap = nn_cfg_readl(hw, NFP_NET_CFG_CAP); + hw->max_mtu = nn_cfg_readl(hw, NFP_NET_CFG_MAX_MTU); + hw->flbufsz = DEFAULT_FLBUF_SIZE; + + nfp_net_init_metadata_format(hw); + + /* read the Rx offset configured from firmware */ + if (hw->ver.major < 2) + hw->rx_offset = NFP_NET_RX_OFFSET; + else + hw->rx_offset = nn_cfg_readl(hw, NFP_NET_CFG_RX_OFFSET_ADDR); + + hw->ctrl = 0; + hw->stride_rx = stride; + hw->stride_tx = stride; + + return 0; +} + const uint32_t * nfp_net_supported_ptypes_get(struct rte_eth_dev *dev) { diff --git a/drivers/net/nfp/nfp_common.h b/drivers/net/nfp/nfp_common.h index acb34535c5..1ce51d44d4 100644 --- a/drivers/net/nfp/nfp_common.h +++ b/drivers/net/nfp/nfp_common.h @@ -375,6 +375,7 @@ nfp_pci_queue(struct rte_pci_device *pdev, uint16_t queue) int nfp_net_reconfig(struct nfp_net_hw *hw, uint32_t ctrl, uint32_t update); int nfp_net_ext_reconfig(struct nfp_net_hw *hw, uint32_t ctrl_ext, uint32_t update); int nfp_net_configure(struct rte_eth_dev *dev); +int nfp_net_common_init(struct rte_pci_device *pci_dev, struct nfp_net_hw *hw); void nfp_net_log_device_information(const struct nfp_net_hw *hw); void nfp_net_enable_queues(struct rte_eth_dev *dev); void nfp_net_disable_queues(struct rte_eth_dev *dev); diff --git a/drivers/net/nfp/nfp_ethdev.c b/drivers/net/nfp/nfp_ethdev.c index 0ccb543f14..e3ff3d8087 100644 --- a/drivers/net/nfp/nfp_ethdev.c +++ b/drivers/net/nfp/nfp_ethdev.c @@ -499,8 +499,8 @@ nfp_net_init(struct rte_eth_dev *eth_dev) uint64_t rx_bar_off = 0; uint64_t tx_bar_off = 0; uint32_t start_q; - int stride = 4; int port = 0; + int err; PMD_INIT_FUNC_TRACE(); @@ -529,15 +529,6 @@ nfp_net_init(struct rte_eth_dev *eth_dev) rte_eth_copy_pci_info(eth_dev, pci_dev); - hw->device_id = pci_dev->id.device_id; - hw->vendor_id = pci_dev->id.vendor_id; - hw->subsystem_device_id = pci_dev->id.subsystem_device_id; - hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; - - PMD_INIT_LOG(DEBUG, "nfp_net: device (%u:%u) %u:%u:%u:%u", - pci_dev->id.vendor_id, pci_dev->id.device_id, - pci_dev->addr.domain, pci_dev->addr.bus, - pci_dev->addr.devid, pci_dev->addr.function); hw->ctrl_bar = pci_dev->mem_resource[0].addr; if (hw->ctrl_bar == NULL) { @@ -569,17 +560,12 @@ nfp_net_init(struct rte_eth_dev *eth_dev) PMD_INIT_LOG(DEBUG, "ctrl bar: %p", hw->ctrl_bar); 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; + err = nfp_net_common_init(pci_dev, hw); + if (err != 0) + return err; 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); hw->eth_xstats_base = rte_malloc("rte_eth_xstat", sizeof(struct rte_eth_xstat) * nfp_net_xstats_size(eth_dev), 0); if (hw->eth_xstats_base == NULL) { @@ -615,29 +601,12 @@ nfp_net_init(struct rte_eth_dev *eth_dev) hw->ctrl_bar, hw->tx_bar, hw->rx_bar); nfp_net_cfg_queue_setup(hw); - - /* Get some of the read-only fields from the config BAR */ - hw->cap = nn_cfg_readl(hw, NFP_NET_CFG_CAP); - hw->max_mtu = nn_cfg_readl(hw, NFP_NET_CFG_MAX_MTU); hw->mtu = RTE_ETHER_MTU; - hw->flbufsz = DEFAULT_FLBUF_SIZE; /* VLAN insertion is incompatible with LSOv2 */ if (hw->cap & NFP_NET_CFG_CTRL_LSO2) hw->cap &= ~NFP_NET_CFG_CTRL_TXVLAN; - nfp_net_init_metadata_format(hw); - - if (hw->ver.major < 2) - hw->rx_offset = NFP_NET_RX_OFFSET; - else - hw->rx_offset = nn_cfg_readl(hw, NFP_NET_CFG_RX_OFFSET_ADDR); - - hw->ctrl = 0; - - hw->stride_rx = stride; - hw->stride_tx = stride; - nfp_net_log_device_information(hw); /* Initializing spinlock for reconfigs */ diff --git a/drivers/net/nfp/nfp_ethdev_vf.c b/drivers/net/nfp/nfp_ethdev_vf.c index f971bb8903..019bc3b9be 100644 --- a/drivers/net/nfp/nfp_ethdev_vf.c +++ b/drivers/net/nfp/nfp_ethdev_vf.c @@ -267,7 +267,6 @@ nfp_netvf_init(struct rte_eth_dev *eth_dev) uint64_t tx_bar_off = 0, rx_bar_off = 0; uint32_t start_q; - int stride = 4; int port = 0; int err; @@ -286,12 +285,9 @@ 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; + err = nfp_net_common_init(pci_dev, hw); + if (err != 0) + return err; nfp_netvf_ethdev_ops_mount(hw, eth_dev); @@ -301,26 +297,6 @@ nfp_netvf_init(struct rte_eth_dev *eth_dev) rte_eth_copy_pci_info(eth_dev, pci_dev); - hw->device_id = pci_dev->id.device_id; - hw->vendor_id = pci_dev->id.vendor_id; - hw->subsystem_device_id = pci_dev->id.subsystem_device_id; - hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; - - PMD_INIT_LOG(DEBUG, "nfp_net: device (%u:%u) %u:%u:%u:%u", - pci_dev->id.vendor_id, pci_dev->id.device_id, - pci_dev->addr.domain, pci_dev->addr.bus, - pci_dev->addr.devid, pci_dev->addr.function); - - 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); - if (hw->max_rx_queues == 0 || hw->max_tx_queues == 0) { - PMD_DRV_LOG(ERR, - "Device %s can not be used, there are no valid queue " - "pairs for use, please try to generate less VFs", - pci_dev->name); - return -ENODEV; - } - hw->eth_xstats_base = rte_malloc("rte_eth_xstat", sizeof(struct rte_eth_xstat) * nfp_net_xstats_size(eth_dev), 0); if (hw->eth_xstats_base == NULL) { @@ -356,29 +332,12 @@ nfp_netvf_init(struct rte_eth_dev *eth_dev) hw->ctrl_bar, hw->tx_bar, hw->rx_bar); nfp_net_cfg_queue_setup(hw); - - /* Get some of the read-only fields from the config BAR */ - hw->cap = nn_cfg_readl(hw, NFP_NET_CFG_CAP); - hw->max_mtu = nn_cfg_readl(hw, NFP_NET_CFG_MAX_MTU); hw->mtu = RTE_ETHER_MTU; - hw->flbufsz = DEFAULT_FLBUF_SIZE; /* VLAN insertion is incompatible with LSOv2 */ if (hw->cap & NFP_NET_CFG_CTRL_LSO2) hw->cap &= ~NFP_NET_CFG_CTRL_TXVLAN; - nfp_net_init_metadata_format(hw); - - if (hw->ver.major < 2) - hw->rx_offset = NFP_NET_RX_OFFSET; - else - hw->rx_offset = nn_cfg_readl(hw, NFP_NET_CFG_RX_OFFSET_ADDR); - - hw->ctrl = 0; - - hw->stride_rx = stride; - hw->stride_tx = stride; - nfp_net_log_device_information(hw); /* Initializing spinlock for reconfigs */ -- 2.39.1