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But the firmware with NFD3 still just support 40-bit DMA address. RX free list descriptor, used by both NFD3 and NFDk, is also modified to support 48-bit DMA address. That's OK because the top bits is always set to 0 when assigned with 40-bit DMA address. Fixes: c73dced48c8c ("net/nfp: add NFDk Tx") Cc: jin.liu@corigine.com Cc: stable@dpdk.org Signed-off-by: Peng Zhang Reviewed-by: Chaoyong He Reviewed-by: Niklas Söderlund --- drivers/net/nfp/flower/nfp_flower.c | 12 ++++-------- drivers/net/nfp/flower/nfp_flower_ctrl.c | 2 +- drivers/net/nfp/nfp_common.c | 18 ++++++++++++++++++ drivers/net/nfp/nfp_common.h | 1 + drivers/net/nfp/nfp_ethdev.c | 11 +++-------- drivers/net/nfp/nfp_ethdev_vf.c | 11 +++-------- drivers/net/nfp/nfp_rxtx.c | 4 ++-- drivers/net/nfp/nfp_rxtx.h | 4 ++-- 8 files changed, 34 insertions(+), 29 deletions(-) diff --git a/drivers/net/nfp/flower/nfp_flower.c b/drivers/net/nfp/flower/nfp_flower.c index 7b46dc0f6a..7302d39af5 100644 --- a/drivers/net/nfp/flower/nfp_flower.c +++ b/drivers/net/nfp/flower/nfp_flower.c @@ -452,7 +452,7 @@ nfp_flower_pf_recv_pkts(void *rx_queue, rxds->vals[1] = 0; dma_addr = rte_cpu_to_le_64(RTE_MBUF_DMA_ADDR_DEFAULT(new_mb)); rxds->fld.dd = 0; - rxds->fld.dma_addr_hi = (dma_addr >> 32) & 0xff; + rxds->fld.dma_addr_hi = (dma_addr >> 32) & 0xffff; rxds->fld.dma_addr_lo = dma_addr & 0xffffffff; nb_hold++; @@ -632,13 +632,6 @@ nfp_flower_init_vnic_common(struct nfp_net_hw *hw, const char *vnic_type) pf_dev = hw->pf_dev; pci_dev = hw->pf_dev->pci_dev; - /* NFP can not handle DMA addresses requiring more than 40 bits */ - if (rte_mem_check_dma_mask(40)) { - PMD_INIT_LOG(ERR, "Device %s can not be used: restricted dma mask to 40 bits!\n", - pci_dev->device.name); - return -ENODEV; - }; - 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; @@ -667,6 +660,9 @@ nfp_flower_init_vnic_common(struct nfp_net_hw *hw, const char *vnic_type) 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 (NFD_CFG_MAJOR_VERSION_of(hw->ver) < 2) hw->rx_offset = NFP_NET_RX_OFFSET; diff --git a/drivers/net/nfp/flower/nfp_flower_ctrl.c b/drivers/net/nfp/flower/nfp_flower_ctrl.c index 03a2e2e622..b134a74bd8 100644 --- a/drivers/net/nfp/flower/nfp_flower_ctrl.c +++ b/drivers/net/nfp/flower/nfp_flower_ctrl.c @@ -122,7 +122,7 @@ nfp_flower_ctrl_vnic_recv(void *rx_queue, rxds->vals[1] = 0; dma_addr = rte_cpu_to_le_64(RTE_MBUF_DMA_ADDR_DEFAULT(new_mb)); rxds->fld.dd = 0; - rxds->fld.dma_addr_hi = (dma_addr >> 32) & 0xff; + rxds->fld.dma_addr_hi = (dma_addr >> 32) & 0xffff; rxds->fld.dma_addr_lo = dma_addr & 0xffffffff; nb_hold++; diff --git a/drivers/net/nfp/nfp_common.c b/drivers/net/nfp/nfp_common.c index 4f21d9978d..4b36861b21 100644 --- a/drivers/net/nfp/nfp_common.c +++ b/drivers/net/nfp/nfp_common.c @@ -1563,6 +1563,24 @@ nfp_net_set_vxlan_port(struct nfp_net_hw *hw, return ret; } +/* + * The firmware with NFD3 can not handle DMA address requiring more + * than 40 bits + */ +int +nfp_net_check_dma_mask(struct nfp_net_hw *hw, char *name) +{ + if (NFD_CFG_CLASS_VER_of(hw->ver) == NFP_NET_CFG_VERSION_DP_NFD3 && + rte_mem_check_dma_mask(40) != 0) { + PMD_DRV_LOG(ERR, + "The device %s can't be used: restricted dma mask to 40 bits!", + name); + return -ENODEV; + } + + return 0; +} + RTE_LOG_REGISTER_SUFFIX(nfp_logtype_init, init, NOTICE); RTE_LOG_REGISTER_SUFFIX(nfp_logtype_driver, driver, NOTICE); RTE_LOG_REGISTER_SUFFIX(nfp_logtype_cpp, cpp, NOTICE); diff --git a/drivers/net/nfp/nfp_common.h b/drivers/net/nfp/nfp_common.h index 56b7edc951..980f3cad89 100644 --- a/drivers/net/nfp/nfp_common.h +++ b/drivers/net/nfp/nfp_common.h @@ -454,6 +454,7 @@ int nfp_net_rx_desc_limits(struct nfp_net_hw *hw, int nfp_net_tx_desc_limits(struct nfp_net_hw *hw, uint16_t *min_tx_desc, uint16_t *max_tx_desc); +int nfp_net_check_dma_mask(struct nfp_net_hw *hw, char *name); #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 31201c0197..8ac2a4b5cd 100644 --- a/drivers/net/nfp/nfp_ethdev.c +++ b/drivers/net/nfp/nfp_ethdev.c @@ -517,14 +517,6 @@ nfp_net_init(struct rte_eth_dev *eth_dev) /* Use backpointer to the CoreNIC app struct */ app_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv); - /* NFP can not handle DMA addresses requiring more than 40 bits */ - if (rte_mem_check_dma_mask(40)) { - RTE_LOG(ERR, PMD, - "device %s can not be used: restricted dma mask to 40 bits!\n", - pci_dev->device.name); - return -ENODEV; - } - port = ((struct nfp_net_hw *)eth_dev->data->dev_private)->idx; if (port < 0 || port > 7) { PMD_DRV_LOG(ERR, "Port value is wrong"); @@ -572,6 +564,9 @@ nfp_net_init(struct rte_eth_dev *eth_dev) hw->ver = nn_cfg_readl(hw, NFP_NET_CFG_VERSION); + if (nfp_net_check_dma_mask(hw, pci_dev->name) != 0) + return -ENODEV; + if (nfp_net_ethdev_ops_mount(hw, eth_dev)) return -EINVAL; diff --git a/drivers/net/nfp/nfp_ethdev_vf.c b/drivers/net/nfp/nfp_ethdev_vf.c index 4eea197f85..e60e9f0f15 100644 --- a/drivers/net/nfp/nfp_ethdev_vf.c +++ b/drivers/net/nfp/nfp_ethdev_vf.c @@ -291,14 +291,6 @@ nfp_netvf_init(struct rte_eth_dev *eth_dev) pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); - /* NFP can not handle DMA addresses requiring more than 40 bits */ - if (rte_mem_check_dma_mask(40)) { - RTE_LOG(ERR, PMD, - "device %s can not be used: restricted dma mask to 40 bits!\n", - pci_dev->device.name); - return -ENODEV; - } - hw = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); hw->ctrl_bar = (uint8_t *)pci_dev->mem_resource[0].addr; @@ -312,6 +304,9 @@ nfp_netvf_init(struct rte_eth_dev *eth_dev) hw->ver = nn_cfg_readl(hw, NFP_NET_CFG_VERSION); + if (nfp_net_check_dma_mask(hw, pci_dev->name) != 0) + return -ENODEV; + if (nfp_netvf_ethdev_ops_mount(hw, eth_dev)) return -EINVAL; diff --git a/drivers/net/nfp/nfp_rxtx.c b/drivers/net/nfp/nfp_rxtx.c index 4a7574fd65..5ca3aef7e1 100644 --- a/drivers/net/nfp/nfp_rxtx.c +++ b/drivers/net/nfp/nfp_rxtx.c @@ -48,7 +48,7 @@ nfp_net_rx_fill_freelist(struct nfp_net_rxq *rxq) rxd = &rxq->rxds[i]; rxd->fld.dd = 0; - rxd->fld.dma_addr_hi = (dma_addr >> 32) & 0xff; + rxd->fld.dma_addr_hi = (dma_addr >> 32) & 0xffff; rxd->fld.dma_addr_lo = dma_addr & 0xffffffff; rxe[i].mbuf = mbuf; PMD_RX_LOG(DEBUG, "[%d]: %" PRIx64, i, dma_addr); @@ -454,7 +454,7 @@ nfp_net_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) rxds->vals[1] = 0; dma_addr = rte_cpu_to_le_64(RTE_MBUF_DMA_ADDR_DEFAULT(new_mb)); rxds->fld.dd = 0; - rxds->fld.dma_addr_hi = (dma_addr >> 32) & 0xff; + rxds->fld.dma_addr_hi = (dma_addr >> 32) & 0xffff; rxds->fld.dma_addr_lo = dma_addr & 0xffffffff; nb_hold++; diff --git a/drivers/net/nfp/nfp_rxtx.h b/drivers/net/nfp/nfp_rxtx.h index 8a29adbd73..765717e8dc 100644 --- a/drivers/net/nfp/nfp_rxtx.h +++ b/drivers/net/nfp/nfp_rxtx.h @@ -287,8 +287,8 @@ struct nfp_net_rx_desc { union { /* Freelist descriptor */ struct { - uint8_t dma_addr_hi; - __le16 spare; + __le16 dma_addr_hi; + uint8_t spare; uint8_t dd; __le32 dma_addr_lo;