497 lines
15 KiB
C
497 lines
15 KiB
C
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/*
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* Copyright (c) 2016-2017 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 __HNAE3_H
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#define __HNAE3_H
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/* Names used in this framework:
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* ae handle (handle):
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* a set of queues provided by AE
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* ring buffer queue (rbq):
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* the channel between upper layer and the AE, can do tx and rx
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* ring:
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* a tx or rx channel within a rbq
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* ring description (desc):
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* an element in the ring with packet information
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* buffer:
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* a memory region referred by desc with the full packet payload
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*
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* "num" means a static number set as a parameter, "count" mean a dynamic
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* number set while running
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* "cb" means control block
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*/
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#include <linux/acpi.h>
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#include <linux/dcbnl.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/pci.h>
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#include <linux/types.h>
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/* Device IDs */
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#define HNAE3_DEV_ID_GE 0xA220
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#define HNAE3_DEV_ID_25GE 0xA221
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#define HNAE3_DEV_ID_25GE_RDMA 0xA222
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#define HNAE3_DEV_ID_25GE_RDMA_MACSEC 0xA223
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#define HNAE3_DEV_ID_50GE_RDMA 0xA224
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#define HNAE3_DEV_ID_50GE_RDMA_MACSEC 0xA225
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#define HNAE3_DEV_ID_100G_RDMA_MACSEC 0xA226
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#define HNAE3_DEV_ID_100G_VF 0xA22E
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#define HNAE3_DEV_ID_100G_RDMA_DCB_PFC_VF 0xA22F
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#define HNAE3_CLASS_NAME_SIZE 16
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#define HNAE3_DEV_INITED_B 0x0
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#define HNAE3_DEV_SUPPORT_ROCE_B 0x1
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#define HNAE3_DEV_SUPPORT_DCB_B 0x2
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#define HNAE3_DEV_SUPPORT_ROCE_DCB_BITS (BIT(HNAE3_DEV_SUPPORT_DCB_B) |\
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BIT(HNAE3_DEV_SUPPORT_ROCE_B))
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#define hnae3_dev_roce_supported(hdev) \
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hnae_get_bit(hdev->ae_dev->flag, HNAE3_DEV_SUPPORT_ROCE_B)
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#define hnae3_dev_dcb_supported(hdev) \
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hnae_get_bit(hdev->ae_dev->flag, HNAE3_DEV_SUPPORT_DCB_B)
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#define ring_ptr_move_fw(ring, p) \
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((ring)->p = ((ring)->p + 1) % (ring)->desc_num)
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#define ring_ptr_move_bw(ring, p) \
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((ring)->p = ((ring)->p - 1 + (ring)->desc_num) % (ring)->desc_num)
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enum hns_desc_type {
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DESC_TYPE_SKB,
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DESC_TYPE_PAGE,
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};
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struct hnae3_handle;
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struct hnae3_queue {
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void __iomem *io_base;
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struct hnae3_ae_algo *ae_algo;
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struct hnae3_handle *handle;
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int tqp_index; /* index in a handle */
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u32 buf_size; /* size for hnae_desc->addr, preset by AE */
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u16 desc_num; /* total number of desc */
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};
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/*hnae3 loop mode*/
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enum hnae3_loop {
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HNAE3_MAC_INTER_LOOP_MAC,
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HNAE3_MAC_INTER_LOOP_SERDES,
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HNAE3_MAC_INTER_LOOP_PHY,
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HNAE3_MAC_LOOP_NONE,
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};
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enum hnae3_client_type {
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HNAE3_CLIENT_KNIC,
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HNAE3_CLIENT_UNIC,
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HNAE3_CLIENT_ROCE,
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};
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enum hnae3_dev_type {
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HNAE3_DEV_KNIC,
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HNAE3_DEV_UNIC,
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};
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/* mac media type */
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enum hnae3_media_type {
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HNAE3_MEDIA_TYPE_UNKNOWN,
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HNAE3_MEDIA_TYPE_FIBER,
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HNAE3_MEDIA_TYPE_COPPER,
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HNAE3_MEDIA_TYPE_BACKPLANE,
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};
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enum hnae3_reset_notify_type {
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HNAE3_UP_CLIENT,
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HNAE3_DOWN_CLIENT,
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HNAE3_INIT_CLIENT,
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HNAE3_UNINIT_CLIENT,
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};
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enum hnae3_reset_type {
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HNAE3_FUNC_RESET,
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HNAE3_CORE_RESET,
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HNAE3_GLOBAL_RESET,
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HNAE3_IMP_RESET,
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HNAE3_NONE_RESET,
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};
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struct hnae3_vector_info {
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u8 __iomem *io_addr;
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int vector;
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};
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#define HNAE3_RING_TYPE_B 0
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#define HNAE3_RING_TYPE_TX 0
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#define HNAE3_RING_TYPE_RX 1
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struct hnae3_ring_chain_node {
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struct hnae3_ring_chain_node *next;
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u32 tqp_index;
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u32 flag;
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};
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#define HNAE3_IS_TX_RING(node) \
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(((node)->flag & (1 << HNAE3_RING_TYPE_B)) == HNAE3_RING_TYPE_TX)
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struct hnae3_client_ops {
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int (*init_instance)(struct hnae3_handle *handle);
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void (*uninit_instance)(struct hnae3_handle *handle, bool reset);
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void (*link_status_change)(struct hnae3_handle *handle, bool state);
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int (*setup_tc)(struct hnae3_handle *handle, u8 tc);
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int (*reset_notify)(struct hnae3_handle *handle,
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enum hnae3_reset_notify_type type);
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};
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#define HNAE3_CLIENT_NAME_LENGTH 16
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struct hnae3_client {
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char name[HNAE3_CLIENT_NAME_LENGTH];
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u16 version;
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unsigned long state;
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enum hnae3_client_type type;
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const struct hnae3_client_ops *ops;
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struct list_head node;
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};
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struct hnae3_ae_dev {
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struct pci_dev *pdev;
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const struct hnae3_ae_ops *ops;
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struct list_head node;
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u32 flag;
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enum hnae3_dev_type dev_type;
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void *priv;
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};
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/* This struct defines the operation on the handle.
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*
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* init_ae_dev(): (mandatory)
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* Get PF configure from pci_dev and initialize PF hardware
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* uninit_ae_dev()
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* Disable PF device and release PF resource
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* register_client
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* Register client to ae_dev
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* unregister_client()
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* Unregister client from ae_dev
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* start()
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* Enable the hardware
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* stop()
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* Disable the hardware
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* get_status()
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* Get the carrier state of the back channel of the handle, 1 for ok, 0 for
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* non-ok
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* get_ksettings_an_result()
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* Get negotiation status,speed and duplex
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* update_speed_duplex_h()
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* Update hardware speed and duplex
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* get_media_type()
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* Get media type of MAC
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* adjust_link()
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* Adjust link status
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* set_loopback()
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* Set loopback
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* set_promisc_mode
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* Set promisc mode
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* set_mtu()
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* set mtu
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* get_pauseparam()
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* get tx and rx of pause frame use
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* set_pauseparam()
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* set tx and rx of pause frame use
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* set_autoneg()
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* set auto autonegotiation of pause frame use
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* get_autoneg()
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* get auto autonegotiation of pause frame use
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* get_coalesce_usecs()
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* get usecs to delay a TX interrupt after a packet is sent
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* get_rx_max_coalesced_frames()
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* get Maximum number of packets to be sent before a TX interrupt.
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* set_coalesce_usecs()
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* set usecs to delay a TX interrupt after a packet is sent
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* set_coalesce_frames()
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* set Maximum number of packets to be sent before a TX interrupt.
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* get_mac_addr()
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* get mac address
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* set_mac_addr()
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* set mac address
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* add_uc_addr
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* Add unicast addr to mac table
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* rm_uc_addr
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* Remove unicast addr from mac table
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* set_mc_addr()
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* Set multicast address
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* add_mc_addr
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* Add multicast address to mac table
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* rm_mc_addr
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* Remove multicast address from mac table
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* update_stats()
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* Update Old network device statistics
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* get_ethtool_stats()
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* Get ethtool network device statistics
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* get_strings()
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* Get a set of strings that describe the requested objects
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* get_sset_count()
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* Get number of strings that @get_strings will write
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* update_led_status()
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* Update the led status
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* set_led_id()
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* Set led id
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* get_regs()
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* Get regs dump
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* get_regs_len()
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* Get the len of the regs dump
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* get_rss_key_size()
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* Get rss key size
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* get_rss_indir_size()
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* Get rss indirection table size
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* get_rss()
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* Get rss table
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* set_rss()
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* Set rss table
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* get_tc_size()
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* Get tc size of handle
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* get_vector()
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* Get vector number and vector information
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* map_ring_to_vector()
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* Map rings to vector
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* unmap_ring_from_vector()
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* Unmap rings from vector
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* add_tunnel_udp()
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* Add tunnel information to hardware
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* del_tunnel_udp()
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* Delete tunnel information from hardware
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* reset_queue()
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* Reset queue
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* get_fw_version()
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* Get firmware version
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* get_mdix_mode()
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* Get media typr of phy
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* set_vlan_filter()
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* Set vlan filter config of Ports
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* set_vf_vlan_filter()
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* Set vlan filter config of vf
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*/
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struct hnae3_ae_ops {
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int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
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void (*uninit_ae_dev)(struct hnae3_ae_dev *ae_dev);
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int (*init_client_instance)(struct hnae3_client *client,
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struct hnae3_ae_dev *ae_dev);
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void (*uninit_client_instance)(struct hnae3_client *client,
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struct hnae3_ae_dev *ae_dev);
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int (*start)(struct hnae3_handle *handle);
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void (*stop)(struct hnae3_handle *handle);
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int (*get_status)(struct hnae3_handle *handle);
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void (*get_ksettings_an_result)(struct hnae3_handle *handle,
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u8 *auto_neg, u32 *speed, u8 *duplex);
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int (*update_speed_duplex_h)(struct hnae3_handle *handle);
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int (*cfg_mac_speed_dup_h)(struct hnae3_handle *handle, int speed,
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u8 duplex);
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void (*get_media_type)(struct hnae3_handle *handle, u8 *media_type);
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void (*adjust_link)(struct hnae3_handle *handle, int speed, int duplex);
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int (*set_loopback)(struct hnae3_handle *handle,
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enum hnae3_loop loop_mode, bool en);
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void (*set_promisc_mode)(struct hnae3_handle *handle, u32 en);
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int (*set_mtu)(struct hnae3_handle *handle, int new_mtu);
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void (*get_pauseparam)(struct hnae3_handle *handle,
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u32 *auto_neg, u32 *rx_en, u32 *tx_en);
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int (*set_pauseparam)(struct hnae3_handle *handle,
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u32 auto_neg, u32 rx_en, u32 tx_en);
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int (*set_autoneg)(struct hnae3_handle *handle, bool enable);
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int (*get_autoneg)(struct hnae3_handle *handle);
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void (*get_coalesce_usecs)(struct hnae3_handle *handle,
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u32 *tx_usecs, u32 *rx_usecs);
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void (*get_rx_max_coalesced_frames)(struct hnae3_handle *handle,
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u32 *tx_frames, u32 *rx_frames);
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int (*set_coalesce_usecs)(struct hnae3_handle *handle, u32 timeout);
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int (*set_coalesce_frames)(struct hnae3_handle *handle,
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u32 coalesce_frames);
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void (*get_coalesce_range)(struct hnae3_handle *handle,
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u32 *tx_frames_low, u32 *rx_frames_low,
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u32 *tx_frames_high, u32 *rx_frames_high,
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u32 *tx_usecs_low, u32 *rx_usecs_low,
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u32 *tx_usecs_high, u32 *rx_usecs_high);
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void (*get_mac_addr)(struct hnae3_handle *handle, u8 *p);
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int (*set_mac_addr)(struct hnae3_handle *handle, void *p);
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int (*add_uc_addr)(struct hnae3_handle *handle,
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const unsigned char *addr);
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int (*rm_uc_addr)(struct hnae3_handle *handle,
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const unsigned char *addr);
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int (*set_mc_addr)(struct hnae3_handle *handle, void *addr);
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int (*add_mc_addr)(struct hnae3_handle *handle,
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const unsigned char *addr);
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int (*rm_mc_addr)(struct hnae3_handle *handle,
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const unsigned char *addr);
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void (*set_tso_stats)(struct hnae3_handle *handle, int enable);
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void (*update_stats)(struct hnae3_handle *handle,
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struct net_device_stats *net_stats);
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void (*get_stats)(struct hnae3_handle *handle, u64 *data);
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void (*get_strings)(struct hnae3_handle *handle,
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u32 stringset, u8 *data);
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int (*get_sset_count)(struct hnae3_handle *handle, int stringset);
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|
void (*get_regs)(struct hnae3_handle *handle, void *data);
|
||
|
|
int (*get_regs_len)(struct hnae3_handle *handle);
|
||
|
|
|
||
|
|
u32 (*get_rss_key_size)(struct hnae3_handle *handle);
|
||
|
|
u32 (*get_rss_indir_size)(struct hnae3_handle *handle);
|
||
|
|
int (*get_rss)(struct hnae3_handle *handle, u32 *indir, u8 *key,
|
||
|
|
u8 *hfunc);
|
||
|
|
int (*set_rss)(struct hnae3_handle *handle, const u32 *indir,
|
||
|
|
const u8 *key, const u8 hfunc);
|
||
|
|
int (*set_rss_tuple)(struct hnae3_handle *handle,
|
||
|
|
struct ethtool_rxnfc *cmd);
|
||
|
|
int (*get_rss_tuple)(struct hnae3_handle *handle,
|
||
|
|
struct ethtool_rxnfc *cmd);
|
||
|
|
|
||
|
|
int (*get_tc_size)(struct hnae3_handle *handle);
|
||
|
|
|
||
|
|
int (*get_vector)(struct hnae3_handle *handle, u16 vector_num,
|
||
|
|
struct hnae3_vector_info *vector_info);
|
||
|
|
int (*map_ring_to_vector)(struct hnae3_handle *handle,
|
||
|
|
int vector_num,
|
||
|
|
struct hnae3_ring_chain_node *vr_chain);
|
||
|
|
int (*unmap_ring_from_vector)(struct hnae3_handle *handle,
|
||
|
|
int vector_num,
|
||
|
|
struct hnae3_ring_chain_node *vr_chain);
|
||
|
|
|
||
|
|
int (*add_tunnel_udp)(struct hnae3_handle *handle, u16 port_num);
|
||
|
|
int (*del_tunnel_udp)(struct hnae3_handle *handle, u16 port_num);
|
||
|
|
|
||
|
|
void (*reset_queue)(struct hnae3_handle *handle, u16 queue_id);
|
||
|
|
u32 (*get_fw_version)(struct hnae3_handle *handle);
|
||
|
|
void (*get_mdix_mode)(struct hnae3_handle *handle,
|
||
|
|
u8 *tp_mdix_ctrl, u8 *tp_mdix);
|
||
|
|
|
||
|
|
int (*set_vlan_filter)(struct hnae3_handle *handle, __be16 proto,
|
||
|
|
u16 vlan_id, bool is_kill);
|
||
|
|
int (*set_vf_vlan_filter)(struct hnae3_handle *handle, int vfid,
|
||
|
|
u16 vlan, u8 qos, __be16 proto);
|
||
|
|
void (*reset_event)(struct hnae3_handle *handle,
|
||
|
|
enum hnae3_reset_type reset);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct hnae3_dcb_ops {
|
||
|
|
/* IEEE 802.1Qaz std */
|
||
|
|
int (*ieee_getets)(struct hnae3_handle *, struct ieee_ets *);
|
||
|
|
int (*ieee_setets)(struct hnae3_handle *, struct ieee_ets *);
|
||
|
|
int (*ieee_getpfc)(struct hnae3_handle *, struct ieee_pfc *);
|
||
|
|
int (*ieee_setpfc)(struct hnae3_handle *, struct ieee_pfc *);
|
||
|
|
|
||
|
|
/* DCBX configuration */
|
||
|
|
u8 (*getdcbx)(struct hnae3_handle *);
|
||
|
|
u8 (*setdcbx)(struct hnae3_handle *, u8);
|
||
|
|
|
||
|
|
int (*map_update)(struct hnae3_handle *);
|
||
|
|
int (*setup_tc)(struct hnae3_handle *, u8, u8 *);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct hnae3_ae_algo {
|
||
|
|
const struct hnae3_ae_ops *ops;
|
||
|
|
struct list_head node;
|
||
|
|
char name[HNAE3_CLASS_NAME_SIZE];
|
||
|
|
const struct pci_device_id *pdev_id_table;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define HNAE3_INT_NAME_LEN (IFNAMSIZ + 16)
|
||
|
|
#define HNAE3_ITR_COUNTDOWN_START 100
|
||
|
|
|
||
|
|
struct hnae3_tc_info {
|
||
|
|
u16 tqp_offset; /* TQP offset from base TQP */
|
||
|
|
u16 tqp_count; /* Total TQPs */
|
||
|
|
u8 tc; /* TC index */
|
||
|
|
bool enable; /* If this TC is enable or not */
|
||
|
|
};
|
||
|
|
|
||
|
|
#define HNAE3_MAX_TC 8
|
||
|
|
#define HNAE3_MAX_USER_PRIO 8
|
||
|
|
struct hnae3_knic_private_info {
|
||
|
|
struct net_device *netdev; /* Set by KNIC client when init instance */
|
||
|
|
u16 rss_size; /* Allocated RSS queues */
|
||
|
|
u16 rx_buf_len;
|
||
|
|
u16 num_desc;
|
||
|
|
|
||
|
|
u8 num_tc; /* Total number of enabled TCs */
|
||
|
|
u8 prio_tc[HNAE3_MAX_USER_PRIO]; /* TC indexed by prio */
|
||
|
|
struct hnae3_tc_info tc_info[HNAE3_MAX_TC]; /* Idx of array is HW TC */
|
||
|
|
|
||
|
|
u16 num_tqps; /* total number of TQPs in this handle */
|
||
|
|
struct hnae3_queue **tqp; /* array base of all TQPs in this instance */
|
||
|
|
const struct hnae3_dcb_ops *dcb_ops;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct hnae3_roce_private_info {
|
||
|
|
struct net_device *netdev;
|
||
|
|
void __iomem *roce_io_base;
|
||
|
|
int base_vector;
|
||
|
|
int num_vectors;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct hnae3_unic_private_info {
|
||
|
|
struct net_device *netdev;
|
||
|
|
u16 rx_buf_len;
|
||
|
|
u16 num_desc;
|
||
|
|
u16 num_tqps; /* total number of tqps in this handle */
|
||
|
|
struct hnae3_queue **tqp; /* array base of all TQPs of this instance */
|
||
|
|
};
|
||
|
|
|
||
|
|
#define HNAE3_SUPPORT_MAC_LOOPBACK 1
|
||
|
|
#define HNAE3_SUPPORT_PHY_LOOPBACK 2
|
||
|
|
#define HNAE3_SUPPORT_SERDES_LOOPBACK 4
|
||
|
|
|
||
|
|
struct hnae3_handle {
|
||
|
|
struct hnae3_client *client;
|
||
|
|
struct pci_dev *pdev;
|
||
|
|
void *priv;
|
||
|
|
struct hnae3_ae_algo *ae_algo; /* the class who provides this handle */
|
||
|
|
u64 flags; /* Indicate the capabilities for this handle*/
|
||
|
|
|
||
|
|
union {
|
||
|
|
struct net_device *netdev; /* first member */
|
||
|
|
struct hnae3_knic_private_info kinfo;
|
||
|
|
struct hnae3_unic_private_info uinfo;
|
||
|
|
struct hnae3_roce_private_info rinfo;
|
||
|
|
};
|
||
|
|
|
||
|
|
u32 numa_node_mask; /* for multi-chip support */
|
||
|
|
};
|
||
|
|
|
||
|
|
#define hnae_set_field(origin, mask, shift, val) \
|
||
|
|
do { \
|
||
|
|
(origin) &= (~(mask)); \
|
||
|
|
(origin) |= ((val) << (shift)) & (mask); \
|
||
|
|
} while (0)
|
||
|
|
#define hnae_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift))
|
||
|
|
|
||
|
|
#define hnae_set_bit(origin, shift, val) \
|
||
|
|
hnae_set_field((origin), (0x1 << (shift)), (shift), (val))
|
||
|
|
#define hnae_get_bit(origin, shift) \
|
||
|
|
hnae_get_field((origin), (0x1 << (shift)), (shift))
|
||
|
|
|
||
|
|
int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
|
||
|
|
void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev);
|
||
|
|
|
||
|
|
void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo);
|
||
|
|
int hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo);
|
||
|
|
|
||
|
|
void hnae3_unregister_client(struct hnae3_client *client);
|
||
|
|
int hnae3_register_client(struct hnae3_client *client);
|
||
|
|
#endif
|