/* SPDX-License-Identifier: GPL-2.0 */ /* Marvell Octeon EP (EndPoint) VF Ethernet Driver * * Copyright (C) 2020 Marvell. * */ #ifndef _OCTEP_VF_CONFIG_H_ #define _OCTEP_VF_CONFIG_H_ /* Tx instruction types by length */ #define OCTEP_VF_32BYTE_INSTR … #define OCTEP_VF_64BYTE_INSTR … /* Tx Queue: maximum descriptors per ring */ #define OCTEP_VF_IQ_MAX_DESCRIPTORS … /* Minimum input (Tx) requests to be enqueued to ring doorbell */ #define OCTEP_VF_DB_MIN … /* Packet threshold for Tx queue interrupt */ #define OCTEP_VF_IQ_INTR_THRESHOLD … /* Minimum watermark for backpressure */ #define OCTEP_VF_OQ_WMARK_MIN … /* Rx Queue: maximum descriptors per ring */ #define OCTEP_VF_OQ_MAX_DESCRIPTORS … /* Rx buffer size: Use page size buffers. * Build skb from allocated page buffer once the packet is received. * When a gathered packet is received, make head page as skb head and * page buffers in consecutive Rx descriptors as fragments. */ #define OCTEP_VF_OQ_BUF_SIZE … #define OCTEP_VF_OQ_PKTS_PER_INTR … #define OCTEP_VF_OQ_REFILL_THRESHOLD … #define OCTEP_VF_OQ_INTR_PKT_THRESHOLD … #define OCTEP_VF_OQ_INTR_TIME_THRESHOLD … #define OCTEP_VF_MSIX_NAME_SIZE … /* Tx Queue wake threshold * wakeup a stopped Tx queue if minimum 2 descriptors are available. * Even a skb with fragments consume only one Tx queue descriptor entry. */ #define OCTEP_VF_WAKE_QUEUE_THRESHOLD … /* Minimum MTU supported by Octeon network interface */ #define OCTEP_VF_MIN_MTU … /* Maximum MTU supported by Octeon interface*/ #define OCTEP_VF_MAX_MTU … /* Default MTU */ #define OCTEP_VF_DEFAULT_MTU … /* Macros to get octeon config params */ #define CFG_GET_IQ_CFG(cfg) … #define CFG_GET_IQ_NUM_DESC(cfg) … #define CFG_GET_IQ_INSTR_TYPE(cfg) … #define CFG_GET_IQ_INSTR_SIZE(cfg) … #define CFG_GET_IQ_DB_MIN(cfg) … #define CFG_GET_IQ_INTR_THRESHOLD(cfg) … #define CFG_GET_OQ_NUM_DESC(cfg) … #define CFG_GET_OQ_BUF_SIZE(cfg) … #define CFG_GET_OQ_REFILL_THRESHOLD(cfg) … #define CFG_GET_OQ_INTR_PKT(cfg) … #define CFG_GET_OQ_INTR_TIME(cfg) … #define CFG_GET_OQ_WMARK(cfg) … #define CFG_GET_PORTS_ACTIVE_IO_RINGS(cfg) … #define CFG_GET_PORTS_MAX_IO_RINGS(cfg) … #define CFG_GET_CORE_TICS_PER_US(cfg) … #define CFG_GET_COPROC_TICS_PER_US(cfg) … #define CFG_GET_IOQ_MSIX(cfg) … /* Hardware Tx Queue configuration. */ struct octep_vf_iq_config { … }; /* Hardware Rx Queue configuration. */ struct octep_vf_oq_config { … }; /* Tx/Rx configuration */ struct octep_vf_ring_config { … }; /* Octeon MSI-x config. */ struct octep_vf_msix_config { … }; /* Data Structure to hold configuration limits and active config */ struct octep_vf_config { … }; #endif /* _OCTEP_VF_CONFIG_H_ */
Codebase Browser
linux