/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2015 Cavium, Inc. */ #ifndef NIC_H #define NIC_H #include <linux/netdevice.h> #include <linux/interrupt.h> #include <linux/pci.h> #include "thunder_bgx.h" /* PCI device IDs */ #define PCI_DEVICE_ID_THUNDER_NIC_PF … #define PCI_DEVICE_ID_THUNDER_PASS1_NIC_VF … #define PCI_DEVICE_ID_THUNDER_NIC_VF … #define PCI_DEVICE_ID_THUNDER_BGX … /* Subsystem device IDs */ #define PCI_SUBSYS_DEVID_88XX_NIC_PF … #define PCI_SUBSYS_DEVID_81XX_NIC_PF … #define PCI_SUBSYS_DEVID_83XX_NIC_PF … #define PCI_SUBSYS_DEVID_88XX_PASS1_NIC_VF … #define PCI_SUBSYS_DEVID_88XX_NIC_VF … #define PCI_SUBSYS_DEVID_81XX_NIC_VF … #define PCI_SUBSYS_DEVID_83XX_NIC_VF … /* PCI BAR nos */ #define PCI_CFG_REG_BAR_NUM … #define PCI_MSIX_REG_BAR_NUM … /* NIC SRIOV VF count */ #define MAX_NUM_VFS_SUPPORTED … #define DEFAULT_NUM_VF_ENABLED … #define NIC_TNS_BYPASS_MODE … #define NIC_TNS_MODE … /* NIC priv flags */ #define NIC_SRIOV_ENABLED … /* Min/Max packet size */ #define NIC_HW_MIN_FRS … #define NIC_HW_MAX_FRS … /* Max pkinds */ #define NIC_MAX_PKIND … /* Max when CPI_ALG is IP diffserv */ #define NIC_MAX_CPI_PER_LMAC … /* NIC VF Interrupts */ #define NICVF_INTR_CQ … #define NICVF_INTR_SQ … #define NICVF_INTR_RBDR … #define NICVF_INTR_PKT_DROP … #define NICVF_INTR_TCP_TIMER … #define NICVF_INTR_MBOX … #define NICVF_INTR_QS_ERR … #define NICVF_INTR_CQ_SHIFT … #define NICVF_INTR_SQ_SHIFT … #define NICVF_INTR_RBDR_SHIFT … #define NICVF_INTR_PKT_DROP_SHIFT … #define NICVF_INTR_TCP_TIMER_SHIFT … #define NICVF_INTR_MBOX_SHIFT … #define NICVF_INTR_QS_ERR_SHIFT … #define NICVF_INTR_CQ_MASK … #define NICVF_INTR_SQ_MASK … #define NICVF_INTR_RBDR_MASK … #define NICVF_INTR_PKT_DROP_MASK … #define NICVF_INTR_TCP_TIMER_MASK … #define NICVF_INTR_MBOX_MASK … #define NICVF_INTR_QS_ERR_MASK … /* MSI-X interrupts */ #define NIC_PF_MSIX_VECTORS … #define NIC_VF_MSIX_VECTORS … #define NIC_PF_INTR_ID_ECC0_SBE … #define NIC_PF_INTR_ID_ECC0_DBE … #define NIC_PF_INTR_ID_ECC1_SBE … #define NIC_PF_INTR_ID_ECC1_DBE … #define NIC_PF_INTR_ID_ECC2_SBE … #define NIC_PF_INTR_ID_ECC2_DBE … #define NIC_PF_INTR_ID_ECC3_SBE … #define NIC_PF_INTR_ID_ECC3_DBE … #define NIC_PF_INTR_ID_MBOX0 … #define NIC_PF_INTR_ID_MBOX1 … /* Minimum FIFO level before all packets for the CQ are dropped * * This value ensures that once a packet has been "accepted" * for reception it will not get dropped due to non-availability * of CQ descriptor. An errata in HW mandates this value to be * atleast 0x100. */ #define NICPF_CQM_MIN_DROP_LEVEL … /* Global timer for CQ timer thresh interrupts * Calculated for SCLK of 700Mhz * value written should be a 1/16th of what is expected * * 1 tick per 0.025usec */ #define NICPF_CLK_PER_INT_TICK … /* Time to wait before we decide that a SQ is stuck. * * Since both pkt rx and tx notifications are done with same CQ, * when packets are being received at very high rate (eg: L2 forwarding) * then freeing transmitted skbs will be delayed and watchdog * will kick in, resetting interface. Hence keeping this value high. */ #define NICVF_TX_TIMEOUT … struct nicvf_cq_poll { … }; #define NIC_MAX_RSS_HASH_BITS … #define NIC_MAX_RSS_IDR_TBL_SIZE … #define RSS_HASH_KEY_SIZE … struct nicvf_rss_info { … } ____cacheline_aligned_in_smp; struct nicvf_pfc { … }; enum rx_stats_reg_offset { … }; enum tx_stats_reg_offset { … }; struct nicvf_hw_stats { … }; struct nicvf_drv_stats { … }; struct cavium_ptp; struct xcast_addr_list { … }; struct nicvf_work { … }; struct nicvf { … } ____cacheline_aligned_in_smp; /* PF <--> VF Mailbox communication * Eight 64bit registers are shared between PF and VF. * Separate set for each VF. * Writing '1' into last register mbx7 means end of message. */ /* PF <--> VF mailbox communication */ #define NIC_PF_VF_MAILBOX_SIZE … #define NIC_MBOX_MSG_TIMEOUT … /* Mailbox message types */ #define NIC_MBOX_MSG_READY … #define NIC_MBOX_MSG_ACK … #define NIC_MBOX_MSG_NACK … #define NIC_MBOX_MSG_QS_CFG … #define NIC_MBOX_MSG_RQ_CFG … #define NIC_MBOX_MSG_SQ_CFG … #define NIC_MBOX_MSG_RQ_DROP_CFG … #define NIC_MBOX_MSG_SET_MAC … #define NIC_MBOX_MSG_SET_MAX_FRS … #define NIC_MBOX_MSG_CPI_CFG … #define NIC_MBOX_MSG_RSS_SIZE … #define NIC_MBOX_MSG_RSS_CFG … #define NIC_MBOX_MSG_RSS_CFG_CONT … #define NIC_MBOX_MSG_RQ_BP_CFG … #define NIC_MBOX_MSG_RQ_SW_SYNC … #define NIC_MBOX_MSG_BGX_STATS … #define NIC_MBOX_MSG_BGX_LINK_CHANGE … #define NIC_MBOX_MSG_ALLOC_SQS … #define NIC_MBOX_MSG_NICVF_PTR … #define NIC_MBOX_MSG_PNICVF_PTR … #define NIC_MBOX_MSG_SNICVF_PTR … #define NIC_MBOX_MSG_LOOPBACK … #define NIC_MBOX_MSG_RESET_STAT_COUNTER … #define NIC_MBOX_MSG_PFC … #define NIC_MBOX_MSG_PTP_CFG … #define NIC_MBOX_MSG_CFG_DONE … #define NIC_MBOX_MSG_SHUTDOWN … #define NIC_MBOX_MSG_RESET_XCAST … #define NIC_MBOX_MSG_ADD_MCAST … #define NIC_MBOX_MSG_SET_XCAST … struct nic_cfg_msg { … }; /* Qset configuration */ struct qs_cfg_msg { … }; /* Receive queue configuration */ struct rq_cfg_msg { … }; /* Send queue configuration */ struct sq_cfg_msg { … }; /* Set VF's MAC address */ struct set_mac_msg { … }; /* Set Maximum frame size */ struct set_frs_msg { … }; /* Set CPI algorithm type */ struct cpi_cfg_msg { … }; /* Get RSS table size */ struct rss_sz_msg { … }; /* Set RSS configuration */ struct rss_cfg_msg { … }; struct bgx_stats_msg { … }; /* Physical interface link status */ struct bgx_link_status { … }; /* Get Extra Qset IDs */ struct sqs_alloc { … }; struct nicvf_ptr { … }; /* Set interface in loopback mode */ struct set_loopback { … }; /* Reset statistics counters */ struct reset_stat_cfg { … }; struct pfc { … }; struct set_ptp { … }; struct xcast { … }; /* 128 bit shared memory between PF and each VF */ nic_mbx; #define NIC_NODE_ID_MASK … #define NIC_NODE_ID_SHIFT … static inline int nic_get_node_id(struct pci_dev *pdev) { … } static inline bool pass1_silicon(struct pci_dev *pdev) { … } static inline bool pass2_silicon(struct pci_dev *pdev) { … } int nicvf_set_real_num_queues(struct net_device *netdev, int tx_queues, int rx_queues); int nicvf_open(struct net_device *netdev); int nicvf_stop(struct net_device *netdev); int nicvf_send_msg_to_pf(struct nicvf *vf, union nic_mbx *mbx); void nicvf_config_rss(struct nicvf *nic); void nicvf_set_rss_key(struct nicvf *nic); void nicvf_set_ethtool_ops(struct net_device *netdev); void nicvf_update_stats(struct nicvf *nic); void nicvf_update_lmac_stats(struct nicvf *nic); #endif /* NIC_H */
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