8d7a59f171
Rename the nfp_net.c file to nfp_common as it now contains functions common to VF and PF functionality. Rename the header file too to be consistent. Also remove the "net" naming from the _ctrl and _logs files for consistency across the PMD. Signed-off-by: Heinrich Kuhn <heinrich.kuhn@netronome.com> Signed-off-by: Simon Horman <simon.horman@corigine.com>
406 lines
11 KiB
C
406 lines
11 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2014-2018 Netronome Systems, Inc.
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* All rights reserved.
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*/
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/*
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* vim:shiftwidth=8:noexpandtab
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*
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* @file dpdk/pmd/nfp_net_pmd.h
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*
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* Netronome NFP_NET PMD driver
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*/
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#ifndef _NFP_COMMON_H_
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#define _NFP_COMMON_H_
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#define NFP_NET_PMD_VERSION "0.1"
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#define PCI_VENDOR_ID_NETRONOME 0x19ee
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#define PCI_DEVICE_ID_NFP4000_PF_NIC 0x4000
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#define PCI_DEVICE_ID_NFP6000_PF_NIC 0x6000
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#define PCI_DEVICE_ID_NFP6000_VF_NIC 0x6003
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/* Forward declaration */
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struct nfp_net_adapter;
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#define NFP_TX_MAX_SEG UINT8_MAX
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#define NFP_TX_MAX_MTU_SEG 8
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/* Bar allocation */
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#define NFP_NET_CRTL_BAR 0
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#define NFP_NET_TX_BAR 2
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#define NFP_NET_RX_BAR 2
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#define NFP_QCP_QUEUE_AREA_SZ 0x80000
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/* Macros for accessing the Queue Controller Peripheral 'CSRs' */
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#define NFP_QCP_QUEUE_OFF(_x) ((_x) * 0x800)
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#define NFP_QCP_QUEUE_ADD_RPTR 0x0000
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#define NFP_QCP_QUEUE_ADD_WPTR 0x0004
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#define NFP_QCP_QUEUE_STS_LO 0x0008
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#define NFP_QCP_QUEUE_STS_LO_READPTR_mask (0x3ffff)
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#define NFP_QCP_QUEUE_STS_HI 0x000c
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#define NFP_QCP_QUEUE_STS_HI_WRITEPTR_mask (0x3ffff)
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/* The offset of the queue controller queues in the PCIe Target */
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#define NFP_PCIE_QUEUE(_q) (0x80000 + (NFP_QCP_QUEUE_ADDR_SZ * ((_q) & 0xff)))
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/* Maximum value which can be added to a queue with one transaction */
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#define NFP_QCP_MAX_ADD 0x7f
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/* Interrupt definitions */
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#define NFP_NET_IRQ_LSC_IDX 0
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/* Default values for RX/TX configuration */
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#define DEFAULT_RX_FREE_THRESH 32
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#define DEFAULT_RX_PTHRESH 8
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#define DEFAULT_RX_HTHRESH 8
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#define DEFAULT_RX_WTHRESH 0
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#define DEFAULT_TX_RS_THRESH 32
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#define DEFAULT_TX_FREE_THRESH 32
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#define DEFAULT_TX_PTHRESH 32
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#define DEFAULT_TX_HTHRESH 0
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#define DEFAULT_TX_WTHRESH 0
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#define DEFAULT_TX_RSBIT_THRESH 32
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/* Alignment for dma zones */
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#define NFP_MEMZONE_ALIGN 128
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/*
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* This is used by the reconfig protocol. It sets the maximum time waiting in
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* milliseconds before a reconfig timeout happens.
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*/
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#define NFP_NET_POLL_TIMEOUT 5000
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#define NFP_QCP_QUEUE_ADDR_SZ (0x800)
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#define NFP_NET_LINK_DOWN_CHECK_TIMEOUT 4000 /* ms */
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#define NFP_NET_LINK_UP_CHECK_TIMEOUT 1000 /* ms */
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/* Version number helper defines */
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#define NFD_CFG_CLASS_VER_msk 0xff
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#define NFD_CFG_CLASS_VER_shf 24
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#define NFD_CFG_CLASS_VER(x) (((x) & 0xff) << 24)
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#define NFD_CFG_CLASS_VER_of(x) (((x) >> 24) & 0xff)
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#define NFD_CFG_CLASS_TYPE_msk 0xff
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#define NFD_CFG_CLASS_TYPE_shf 16
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#define NFD_CFG_CLASS_TYPE(x) (((x) & 0xff) << 16)
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#define NFD_CFG_CLASS_TYPE_of(x) (((x) >> 16) & 0xff)
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#define NFD_CFG_MAJOR_VERSION_msk 0xff
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#define NFD_CFG_MAJOR_VERSION_shf 8
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#define NFD_CFG_MAJOR_VERSION(x) (((x) & 0xff) << 8)
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#define NFD_CFG_MAJOR_VERSION_of(x) (((x) >> 8) & 0xff)
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#define NFD_CFG_MINOR_VERSION_msk 0xff
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#define NFD_CFG_MINOR_VERSION_shf 0
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#define NFD_CFG_MINOR_VERSION(x) (((x) & 0xff) << 0)
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#define NFD_CFG_MINOR_VERSION_of(x) (((x) >> 0) & 0xff)
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/* Number of supported physical ports */
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#define NFP_MAX_PHYPORTS 12
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#include <linux/types.h>
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#include <rte_io.h>
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/* nfp_qcp_ptr - Read or Write Pointer of a queue */
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enum nfp_qcp_ptr {
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NFP_QCP_READ_PTR = 0,
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NFP_QCP_WRITE_PTR
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};
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struct nfp_pf_dev {
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/* Backpointer to associated pci device */
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struct rte_pci_device *pci_dev;
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/* Array of physical ports belonging to this PF */
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struct nfp_net_hw *ports[NFP_MAX_PHYPORTS];
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/* Current values for control */
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uint32_t ctrl;
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uint8_t *ctrl_bar;
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uint8_t *tx_bar;
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uint8_t *rx_bar;
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uint8_t *qcp_cfg;
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rte_spinlock_t reconfig_lock;
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uint16_t flbufsz;
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uint16_t device_id;
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uint16_t vendor_id;
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uint16_t subsystem_device_id;
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uint16_t subsystem_vendor_id;
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#if defined(DSTQ_SELECTION)
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#if DSTQ_SELECTION
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uint16_t device_function;
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#endif
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#endif
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struct nfp_cpp *cpp;
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struct nfp_cpp_area *ctrl_area;
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struct nfp_cpp_area *hwqueues_area;
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struct nfp_cpp_area *msix_area;
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uint8_t *hw_queues;
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uint8_t total_phyports;
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bool multiport;
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union eth_table_entry *eth_table;
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struct nfp_hwinfo *hwinfo;
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struct nfp_rtsym_table *sym_tbl;
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uint32_t nfp_cpp_service_id;
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};
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struct nfp_net_hw {
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/* Backpointer to the PF this port belongs to */
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struct nfp_pf_dev *pf_dev;
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/* Backpointer to the eth_dev of this port*/
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struct rte_eth_dev *eth_dev;
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/* Info from the firmware */
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uint32_t ver;
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uint32_t cap;
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uint32_t max_mtu;
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uint32_t mtu;
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uint32_t rx_offset;
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/* Current values for control */
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uint32_t ctrl;
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uint8_t *ctrl_bar;
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uint8_t *tx_bar;
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uint8_t *rx_bar;
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int stride_rx;
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int stride_tx;
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uint8_t *qcp_cfg;
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rte_spinlock_t reconfig_lock;
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uint32_t max_tx_queues;
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uint32_t max_rx_queues;
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uint16_t flbufsz;
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uint16_t device_id;
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uint16_t vendor_id;
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uint16_t subsystem_device_id;
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uint16_t subsystem_vendor_id;
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#if defined(DSTQ_SELECTION)
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#if DSTQ_SELECTION
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uint16_t device_function;
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#endif
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#endif
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uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
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/* Records starting point for counters */
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struct rte_eth_stats eth_stats_base;
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struct nfp_cpp *cpp;
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struct nfp_cpp_area *ctrl_area;
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struct nfp_cpp_area *hwqueues_area;
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struct nfp_cpp_area *msix_area;
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uint8_t *hw_queues;
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/* Sequential physical port number */
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uint8_t idx;
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/* Internal port number as seen from NFP */
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uint8_t nfp_idx;
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bool is_phyport;
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union eth_table_entry *eth_table;
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uint32_t nfp_cpp_service_id;
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};
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struct nfp_net_adapter {
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struct nfp_net_hw hw;
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};
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static inline uint8_t nn_readb(volatile const void *addr)
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{
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return rte_read8(addr);
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}
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static inline void nn_writeb(uint8_t val, volatile void *addr)
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{
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rte_write8(val, addr);
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}
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static inline uint32_t nn_readl(volatile const void *addr)
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{
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return rte_read32(addr);
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}
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static inline void nn_writel(uint32_t val, volatile void *addr)
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{
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rte_write32(val, addr);
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}
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static inline void nn_writew(uint16_t val, volatile void *addr)
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{
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rte_write16(val, addr);
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}
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static inline uint64_t nn_readq(volatile void *addr)
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{
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const volatile uint32_t *p = addr;
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uint32_t low, high;
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high = nn_readl((volatile const void *)(p + 1));
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low = nn_readl((volatile const void *)p);
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return low + ((uint64_t)high << 32);
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}
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static inline void nn_writeq(uint64_t val, volatile void *addr)
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{
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nn_writel(val >> 32, (volatile char *)addr + 4);
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nn_writel(val, addr);
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}
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/*
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* Functions to read/write from/to Config BAR
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* Performs any endian conversion necessary.
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*/
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static inline uint8_t
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nn_cfg_readb(struct nfp_net_hw *hw, int off)
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{
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return nn_readb(hw->ctrl_bar + off);
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}
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static inline void
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nn_cfg_writeb(struct nfp_net_hw *hw, int off, uint8_t val)
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{
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nn_writeb(val, hw->ctrl_bar + off);
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}
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static inline uint32_t
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nn_cfg_readl(struct nfp_net_hw *hw, int off)
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{
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return rte_le_to_cpu_32(nn_readl(hw->ctrl_bar + off));
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}
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static inline void
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nn_cfg_writel(struct nfp_net_hw *hw, int off, uint32_t val)
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{
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nn_writel(rte_cpu_to_le_32(val), hw->ctrl_bar + off);
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}
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static inline uint64_t
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nn_cfg_readq(struct nfp_net_hw *hw, int off)
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{
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return rte_le_to_cpu_64(nn_readq(hw->ctrl_bar + off));
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}
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static inline void
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nn_cfg_writeq(struct nfp_net_hw *hw, int off, uint64_t val)
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{
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nn_writeq(rte_cpu_to_le_64(val), hw->ctrl_bar + off);
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}
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/*
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* nfp_qcp_ptr_add - Add the value to the selected pointer of a queue
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* @q: Base address for queue structure
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* @ptr: Add to the Read or Write pointer
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* @val: Value to add to the queue pointer
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*
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* If @val is greater than @NFP_QCP_MAX_ADD multiple writes are performed.
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*/
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static inline void
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nfp_qcp_ptr_add(uint8_t *q, enum nfp_qcp_ptr ptr, uint32_t val)
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{
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uint32_t off;
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if (ptr == NFP_QCP_READ_PTR)
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off = NFP_QCP_QUEUE_ADD_RPTR;
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else
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off = NFP_QCP_QUEUE_ADD_WPTR;
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while (val > NFP_QCP_MAX_ADD) {
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nn_writel(rte_cpu_to_le_32(NFP_QCP_MAX_ADD), q + off);
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val -= NFP_QCP_MAX_ADD;
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}
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nn_writel(rte_cpu_to_le_32(val), q + off);
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}
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/*
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* nfp_qcp_read - Read the current Read/Write pointer value for a queue
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* @q: Base address for queue structure
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* @ptr: Read or Write pointer
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*/
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static inline uint32_t
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nfp_qcp_read(uint8_t *q, enum nfp_qcp_ptr ptr)
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{
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uint32_t off;
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uint32_t val;
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if (ptr == NFP_QCP_READ_PTR)
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off = NFP_QCP_QUEUE_STS_LO;
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else
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off = NFP_QCP_QUEUE_STS_HI;
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val = rte_cpu_to_le_32(nn_readl(q + off));
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if (ptr == NFP_QCP_READ_PTR)
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return val & NFP_QCP_QUEUE_STS_LO_READPTR_mask;
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else
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return val & NFP_QCP_QUEUE_STS_HI_WRITEPTR_mask;
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}
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/* Prototypes for common NFP functions */
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int nfp_net_reconfig(struct nfp_net_hw *hw, uint32_t ctrl, uint32_t update);
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int nfp_net_configure(struct rte_eth_dev *dev);
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void nfp_net_enable_queues(struct rte_eth_dev *dev);
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void nfp_net_disable_queues(struct rte_eth_dev *dev);
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void nfp_net_params_setup(struct nfp_net_hw *hw);
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void nfp_eth_copy_mac(uint8_t *dst, const uint8_t *src);
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void nfp_net_write_mac(struct nfp_net_hw *hw, uint8_t *mac);
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int nfp_set_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr);
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int nfp_configure_rx_interrupt(struct rte_eth_dev *dev,
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struct rte_intr_handle *intr_handle);
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uint32_t nfp_check_offloads(struct rte_eth_dev *dev);
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int nfp_net_promisc_enable(struct rte_eth_dev *dev);
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int nfp_net_promisc_disable(struct rte_eth_dev *dev);
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int nfp_net_link_update(struct rte_eth_dev *dev,
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__rte_unused int wait_to_complete);
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int nfp_net_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
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int nfp_net_stats_reset(struct rte_eth_dev *dev);
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int nfp_net_infos_get(struct rte_eth_dev *dev,
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struct rte_eth_dev_info *dev_info);
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const uint32_t *nfp_net_supported_ptypes_get(struct rte_eth_dev *dev);
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int nfp_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
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int nfp_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id);
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void nfp_net_params_setup(struct nfp_net_hw *hw);
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void nfp_net_cfg_queue_setup(struct nfp_net_hw *hw);
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void nfp_eth_copy_mac(uint8_t *dst, const uint8_t *src);
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void nfp_net_dev_interrupt_handler(void *param);
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int nfp_net_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
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int nfp_net_vlan_offload_set(struct rte_eth_dev *dev, int mask);
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int nfp_net_reta_update(struct rte_eth_dev *dev,
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struct rte_eth_rss_reta_entry64 *reta_conf,
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uint16_t reta_size);
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int nfp_net_reta_query(struct rte_eth_dev *dev,
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struct rte_eth_rss_reta_entry64 *reta_conf,
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uint16_t reta_size);
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int nfp_net_rss_hash_update(struct rte_eth_dev *dev,
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struct rte_eth_rss_conf *rss_conf);
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int nfp_net_rss_hash_conf_get(struct rte_eth_dev *dev,
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struct rte_eth_rss_conf *rss_conf);
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int nfp_net_rss_config_default(struct rte_eth_dev *dev);
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#define NFP_NET_DEV_PRIVATE_TO_HW(adapter)\
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(&((struct nfp_net_adapter *)adapter)->hw)
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#define NFP_NET_DEV_PRIVATE_TO_PF(dev_priv)\
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(((struct nfp_net_hw *)dev_priv)->pf_dev)
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#endif /* _NFP_COMMON_H_ */
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/*
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* Local variables:
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* c-file-style: "Linux"
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* indent-tabs-mode: t
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* End:
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*/
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