diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_config.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_config.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_config.h b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_config.h deleted file mode 100644 index e03a647b0110..000000000000 --- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_config.h +++ /dev/null @@ -1,160 +0,0 @@ -/* 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 32 -#define OCTEP_VF_64BYTE_INSTR 64 - -/* Tx Queue: maximum descriptors per ring */ -#define OCTEP_VF_IQ_MAX_DESCRIPTORS 1024 -/* Minimum input (Tx) requests to be enqueued to ring doorbell */ -#define OCTEP_VF_DB_MIN 8 -/* Packet threshold for Tx queue interrupt */ -#define OCTEP_VF_IQ_INTR_THRESHOLD 0x0 - -/* Minimum watermark for backpressure */ -#define OCTEP_VF_OQ_WMARK_MIN 256 - -/* Rx Queue: maximum descriptors per ring */ -#define OCTEP_VF_OQ_MAX_DESCRIPTORS 1024 - -/* 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 (SKB_WITH_OVERHEAD(PAGE_SIZE)) -#define OCTEP_VF_OQ_PKTS_PER_INTR 128 -#define OCTEP_VF_OQ_REFILL_THRESHOLD (OCTEP_VF_OQ_MAX_DESCRIPTORS / 4) - -#define OCTEP_VF_OQ_INTR_PKT_THRESHOLD 1 -#define OCTEP_VF_OQ_INTR_TIME_THRESHOLD 10 - -#define OCTEP_VF_MSIX_NAME_SIZE (IFNAMSIZ + 32) - -/* 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 2 - -/* Minimum MTU supported by Octeon network interface */ -#define OCTEP_VF_MIN_MTU ETH_MIN_MTU -/* Maximum MTU supported by Octeon interface*/ -#define OCTEP_VF_MAX_MTU (10000 - (ETH_HLEN + ETH_FCS_LEN)) -/* Default MTU */ -#define OCTEP_VF_DEFAULT_MTU 1500 - -/* Macros to get octeon config params */ -#define CFG_GET_IQ_CFG(cfg) ((cfg)->iq) -#define CFG_GET_IQ_NUM_DESC(cfg) ((cfg)->iq.num_descs) -#define CFG_GET_IQ_INSTR_TYPE(cfg) ((cfg)->iq.instr_type) -#define CFG_GET_IQ_INSTR_SIZE(cfg) (64) -#define CFG_GET_IQ_DB_MIN(cfg) ((cfg)->iq.db_min) -#define CFG_GET_IQ_INTR_THRESHOLD(cfg) ((cfg)->iq.intr_threshold) - -#define CFG_GET_OQ_NUM_DESC(cfg) ((cfg)->oq.num_descs) -#define CFG_GET_OQ_BUF_SIZE(cfg) ((cfg)->oq.buf_size) -#define CFG_GET_OQ_REFILL_THRESHOLD(cfg) ((cfg)->oq.refill_threshold) -#define CFG_GET_OQ_INTR_PKT(cfg) ((cfg)->oq.oq_intr_pkt) -#define CFG_GET_OQ_INTR_TIME(cfg) ((cfg)->oq.oq_intr_time) -#define CFG_GET_OQ_WMARK(cfg) ((cfg)->oq.wmark) - -#define CFG_GET_PORTS_ACTIVE_IO_RINGS(cfg) ((cfg)->ring_cfg.active_io_rings) -#define CFG_GET_PORTS_MAX_IO_RINGS(cfg) ((cfg)->ring_cfg.max_io_rings) - -#define CFG_GET_CORE_TICS_PER_US(cfg) ((cfg)->core_cfg.core_tics_per_us) -#define CFG_GET_COPROC_TICS_PER_US(cfg) ((cfg)->core_cfg.coproc_tics_per_us) - -#define CFG_GET_IOQ_MSIX(cfg) ((cfg)->msix_cfg.ioq_msix) - -/* Hardware Tx Queue configuration. */ -struct octep_vf_iq_config { - /* Size of the Input queue (number of commands) */ - u16 num_descs; - - /* Command size - 32 or 64 bytes */ - u16 instr_type; - - /* Minimum number of commands pending to be posted to Octeon before driver - * hits the Input queue doorbell. - */ - u16 db_min; - - /* Trigger the IQ interrupt when processed cmd count reaches - * this level. - */ - u32 intr_threshold; -}; - -/* Hardware Rx Queue configuration. */ -struct octep_vf_oq_config { - /* Size of Output queue (number of descriptors) */ - u16 num_descs; - - /* Size of buffer in this Output queue. */ - u16 buf_size; - - /* The number of buffers that were consumed during packet processing - * by the driver on this Output queue before the driver attempts to - * replenish the descriptor ring with new buffers. - */ - u16 refill_threshold; - - /* Interrupt Coalescing (Packet Count). Octeon will interrupt the host - * only if it sent as many packets as specified by this field. - * The driver usually does not use packet count interrupt coalescing. - */ - u32 oq_intr_pkt; - - /* Interrupt Coalescing (Time Interval). Octeon will interrupt the host - * if at least one packet was sent in the time interval specified by - * this field. The driver uses time interval interrupt coalescing by - * default. The time is specified in microseconds. - */ - u32 oq_intr_time; - - /* Water mark for backpressure. - * Output queue sends backpressure signal to source when - * free buffer count falls below wmark. - */ - u32 wmark; -}; - -/* Tx/Rx configuration */ -struct octep_vf_ring_config { - /* Max number of IOQs */ - u16 max_io_rings; - - /* Number of active IOQs */ - u16 active_io_rings; -}; - -/* Octeon MSI-x config. */ -struct octep_vf_msix_config { - /* Number of IOQ interrupts */ - u16 ioq_msix; -}; - -/* Data Structure to hold configuration limits and active config */ -struct octep_vf_config { - /* Input Queue attributes. */ - struct octep_vf_iq_config iq; - - /* Output Queue attributes. */ - struct octep_vf_oq_config oq; - - /* MSI-X interrupt config */ - struct octep_vf_msix_config msix_cfg; - - /* NIC VF ring Configuration */ - struct octep_vf_ring_config ring_cfg; -}; -#endif /* _OCTEP_VF_CONFIG_H_ */ |