168 lines
5.0 KiB
C
168 lines
5.0 KiB
C
/*
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* Copyright (c) 2014-2015 Hisilicon Limited.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef _HNS_DSAF_RCB_H
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#define _HNS_DSAF_RCB_H
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#include <linux/netdevice.h>
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#include <linux/platform_device.h>
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#include "hnae.h"
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#include "hns_dsaf_main.h"
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struct rcb_common_cb;
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#define HNS_RCB_IRQ_NUM_PER_QUEUE 2
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#define HNS_RCB_IRQ_IDX_TX 0
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#define HNS_RCB_IRQ_IDX_RX 1
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#define HNS_RCB_TX_REG_OFFSET 0x40
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#define HNS_RCB_SERVICE_NW_ENGINE_NUM DSAF_COMM_CHN
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#define HNS_RCB_DEBUG_NW_ENGINE_NUM 1
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#define HNS_RCB_RING_MAX_BD_PER_PKT 3
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#define HNS_RCB_RING_MAX_TXBD_PER_PKT 3
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#define HNS_RCBV2_RING_MAX_TXBD_PER_PKT 8
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#define HNS_RCB_MAX_PKT_SIZE MAC_MAX_MTU
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#define HNS_RCB_RING_MAX_PENDING_BD 1024
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#define HNS_RCB_RING_MIN_PENDING_BD 16
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#define HNS_RCB_REG_OFFSET 0x10000
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#define HNS_RCB_TX_FRAMES_LOW 1
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#define HNS_RCB_RX_FRAMES_LOW 1
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#define HNS_RCB_TX_FRAMES_HIGH 1023
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#define HNS_RCB_RX_FRAMES_HIGH 1023
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#define HNS_RCB_TX_USECS_LOW 1
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#define HNS_RCB_RX_USECS_LOW 1
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#define HNS_RCB_TX_USECS_HIGH 1023
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#define HNS_RCB_RX_USECS_HIGH 1023
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#define HNS_RCB_MAX_COALESCED_FRAMES 1023
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#define HNS_RCB_MIN_COALESCED_FRAMES 1
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#define HNS_RCB_DEF_RX_COALESCED_FRAMES 50
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#define HNS_RCB_DEF_TX_COALESCED_FRAMES 1
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#define HNS_RCB_CLK_FREQ_MHZ 350
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#define HNS_RCB_MAX_COALESCED_USECS 0x3ff
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#define HNS_RCB_DEF_COALESCED_USECS 30
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#define HNS_RCB_DEF_GAP_TIME_USECS 20
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#define HNS_RCB_TX_PKTLINE_OFFSET 8
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#define HNS_RCB_COMMON_ENDIAN 1
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#define HNS_BD_SIZE_512_TYPE 0
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#define HNS_BD_SIZE_1024_TYPE 1
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#define HNS_BD_SIZE_2048_TYPE 2
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#define HNS_BD_SIZE_4096_TYPE 3
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#define HNS_RCB_COMMON_DUMP_REG_NUM 80
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#define HNS_RCB_RING_DUMP_REG_NUM 40
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#define HNS_RING_STATIC_REG_NUM 28
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#define HNS_DUMP_REG_NUM 500
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#define HNS_STATIC_REG_NUM 12
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#define HNS_TSO_MODE_8BD_32K 1
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#define HNS_TSO_MDOE_4BD_16K 0
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enum rcb_int_flag {
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RCB_INT_FLAG_TX = 0x1,
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RCB_INT_FLAG_RX = (0x1 << 1),
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RCB_INT_FLAG_MAX = (0x1 << 2), /*must be the last element */
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};
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struct hns_ring_hw_stats {
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u64 tx_pkts;
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u64 ppe_tx_ok_pkts;
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u64 ppe_tx_drop_pkts;
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u64 rx_pkts;
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u64 ppe_rx_ok_pkts;
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u64 ppe_rx_drop_pkts;
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};
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struct ring_pair_cb {
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struct rcb_common_cb *rcb_common; /* ring belongs to */
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struct device *dev; /*device for DMA mapping */
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struct hnae_queue q;
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u16 index; /* global index in a rcb common device */
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u16 buf_size;
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int virq[HNS_RCB_IRQ_NUM_PER_QUEUE];
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u8 port_id_in_comm;
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u8 used_by_vf;
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struct hns_ring_hw_stats hw_stats;
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};
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struct rcb_common_cb {
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u8 __iomem *io_base;
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phys_addr_t phy_base;
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struct dsaf_device *dsaf_dev;
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u16 max_vfn;
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u16 max_q_per_vf;
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u8 comm_index;
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u32 ring_num;
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u32 desc_num; /* desc num per queue*/
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struct ring_pair_cb ring_pair_cb[0];
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};
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int hns_rcb_buf_size2type(u32 buf_size);
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int hns_rcb_common_get_cfg(struct dsaf_device *dsaf_dev, int comm_index);
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void hns_rcb_common_free_cfg(struct dsaf_device *dsaf_dev, u32 comm_index);
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int hns_rcb_common_init_hw(struct rcb_common_cb *rcb_common);
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void hns_rcb_start(struct hnae_queue *q, u32 val);
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int hns_rcb_get_cfg(struct rcb_common_cb *rcb_common);
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void hns_rcb_get_queue_mode(enum dsaf_mode dsaf_mode,
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u16 *max_vfn, u16 *max_q_per_vf);
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void hns_rcb_common_init_commit_hw(struct rcb_common_cb *rcb_common);
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void hns_rcb_ring_enable_hw(struct hnae_queue *q, u32 val);
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void hns_rcb_int_clr_hw(struct hnae_queue *q, u32 flag);
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void hns_rcb_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 enable);
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void hns_rcbv2_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 mask);
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void hns_rcbv2_int_clr_hw(struct hnae_queue *q, u32 flag);
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void hns_rcb_init_hw(struct ring_pair_cb *ring);
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void hns_rcb_reset_ring_hw(struct hnae_queue *q);
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void hns_rcb_wait_fbd_clean(struct hnae_queue **qs, int q_num, u32 flag);
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u32 hns_rcb_get_rx_coalesced_frames(
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struct rcb_common_cb *rcb_common, u32 port_idx);
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u32 hns_rcb_get_tx_coalesced_frames(
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struct rcb_common_cb *rcb_common, u32 port_idx);
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u32 hns_rcb_get_coalesce_usecs(
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struct rcb_common_cb *rcb_common, u32 port_idx);
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int hns_rcb_set_coalesce_usecs(
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struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout);
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int hns_rcb_set_rx_coalesced_frames(
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struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames);
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int hns_rcb_set_tx_coalesced_frames(
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struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames);
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void hns_rcb_update_stats(struct hnae_queue *queue);
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void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data);
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void hns_rcb_get_common_regs(struct rcb_common_cb *rcb_common, void *data);
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int hns_rcb_get_ring_sset_count(int stringset);
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int hns_rcb_get_common_regs_count(void);
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int hns_rcb_get_ring_regs_count(void);
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void hns_rcb_get_ring_regs(struct hnae_queue *queue, void *data);
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void hns_rcb_get_strings(int stringset, u8 *data, int index);
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void hns_rcb_set_rx_ring_bs(struct hnae_queue *q, u32 buf_size);
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void hns_rcb_set_tx_ring_bs(struct hnae_queue *q, u32 buf_size);
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#endif /* _HNS_DSAF_RCB_H */
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