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kernel add
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/*
* Copyright (c) 2014-2015 Hisilicon Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef _HNS_DSAF_PPE_H
#define _HNS_DSAF_PPE_H
#include <linux/platform_device.h>
#include "hns_dsaf_main.h"
#include "hns_dsaf_mac.h"
#include "hns_dsaf_rcb.h"
#define HNS_PPE_SERVICE_NW_ENGINE_NUM DSAF_COMM_CHN
#define HNS_PPE_DEBUG_NW_ENGINE_NUM 1
#define HNS_PPE_COM_NUM DSAF_COMM_DEV_NUM
#define PPE_COMMON_REG_OFFSET 0x70000
#define PPE_REG_OFFSET 0x10000
#define ETH_PPE_DUMP_NUM 576
#define ETH_PPE_STATIC_NUM 12
enum ppe_qid_mode {
PPE_QID_MODE0 = 0, /* fixed queue id mode */
PPE_QID_MODE1, /* switch:128VM non switch:6Port/4VM/4TC */
PPE_QID_MODE2, /* switch:32VM/4TC non switch:6Port/16VM */
PPE_QID_MODE3, /* switch:4TC/8TAG non switch:2Port/64VM */
PPE_QID_MODE4, /* switch:8VM/16TAG non switch:2Port/16VM/4TC */
PPE_QID_MODE5, /* non switch:6Port/16TAG */
PPE_QID_MODE6, /* non switch:6Port/2VM/8TC */
PPE_QID_MODE7, /* non switch:2Port/8VM/8TC */
};
enum ppe_port_mode {
PPE_MODE_GE = 0,
PPE_MODE_XGE,
};
enum ppe_common_mode {
PPE_COMMON_MODE_DEBUG = 0,
PPE_COMMON_MODE_SERVICE,
PPE_COMMON_MODE_MAX
};
struct hns_ppe_hw_stats {
u64 rx_pkts_from_sw;
u64 rx_pkts;
u64 rx_drop_no_bd;
u64 rx_alloc_buf_fail;
u64 rx_alloc_buf_wait;
u64 rx_drop_no_buf;
u64 rx_err_fifo_full;
u64 tx_bd_form_rcb;
u64 tx_pkts_from_rcb;
u64 tx_pkts;
u64 tx_err_fifo_empty;
u64 tx_err_checksum;
};
struct hns_ppe_cb {
struct device *dev;
struct hns_ppe_cb *next; /* pointer to next ppe device */
struct ppe_common_cb *ppe_common_cb; /* belong to */
struct hns_ppe_hw_stats hw_stats;
u8 index; /* index in a ppe common device */
u8 port; /* port id in dsaf */
void __iomem *io_base;
int virq;
};
struct ppe_common_cb {
struct device *dev;
struct dsaf_device *dsaf_dev;
void __iomem *io_base;
enum ppe_common_mode ppe_mode;
u8 comm_index; /*ppe_common index*/
u32 ppe_num;
struct hns_ppe_cb ppe_cb[0];
};
int hns_ppe_init(struct dsaf_device *dsaf_dev);
void hns_ppe_uninit(struct dsaf_device *dsaf_dev);
void hns_ppe_reset_common(struct dsaf_device *dsaf_dev, u8 ppe_common_index);
void hns_ppe_update_stats(struct hns_ppe_cb *ppe_cb);
int hns_ppe_get_sset_count(int stringset);
int hns_ppe_get_regs_count(void);
void hns_ppe_get_regs(struct hns_ppe_cb *ppe_cb, void *data);
void hns_ppe_get_strings(struct hns_ppe_cb *ppe_cb, int stringset, u8 *data);
void hns_ppe_get_stats(struct hns_ppe_cb *ppe_cb, u64 *data);
#endif /* _HNS_DSAF_PPE_H */
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