On Sat, Jul 22, 2017 at 11:09:36PM +0100, Salil Mehta wrote: > This patch adds the support of the HNAE3 (Hisilicon Network > Acceleration Engine 3) framework support to the HNS3 driver. > > Framework facilitates clients like ENET(HNS3 Ethernet Driver), RoCE > and user-space Ethernet drivers (like ODP etc.) to register with HNAE3 > devices and their associated operations. > > Signed-off-by: Daode Huang <huangda...@hisilicon.com> > Signed-off-by: lipeng <lipeng...@huawei.com> > Signed-off-by: Salil Mehta <salil.me...@huawei.com> > Signed-off-by: Yisen Zhuang <yisen.zhu...@huawei.com> > --- > Patch V4: Addressed following comments > 1. Andrew Lunn: > https://lkml.org/lkml/2017/6/17/233 > https://lkml.org/lkml/2017/6/18/105 > 2. Bo Yu: > https://lkml.org/lkml/2017/6/18/112 > 3. Stephen Hamminger: > https://lkml.org/lkml/2017/6/19/778 > Patch V3: Addressed below comments > 1. Andrew Lunn: > https://lkml.org/lkml/2017/6/13/1025 > Patch V2: No change > Patch V1: Initial Submit > --- > drivers/net/ethernet/hisilicon/hns3/hnae3.c | 319 ++++++++++++++++++++ > drivers/net/ethernet/hisilicon/hns3/hnae3.h | 449 > ++++++++++++++++++++++++++++ > 2 files changed, 768 insertions(+) > create mode 100644 drivers/net/ethernet/hisilicon/hns3/hnae3.c > create mode 100644 drivers/net/ethernet/hisilicon/hns3/hnae3.h > > diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.c > b/drivers/net/ethernet/hisilicon/hns3/hnae3.c > new file mode 100644 > index 000000000000..7a11aaff0a23 > --- /dev/null > +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.c > @@ -0,0 +1,319 @@ > +/* > + * Copyright (c) 2016-2017 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. > + */ > + > +#include <linux/slab.h> > +#include <linux/list.h> > +#include <linux/spinlock.h> > + > +#include "hnae3.h" > + > +static LIST_HEAD(hnae3_ae_algo_list); > +static LIST_HEAD(hnae3_client_list); > +static LIST_HEAD(hnae3_ae_dev_list); > + > +/* we are keeping things simple and using single lock for all the > + * list. This is a non-critical code so other updations, if happen > + * in parallel, can wait. > + */ > +static DEFINE_MUTEX(hnae3_common_lock); > + > +static bool hnae3_client_match(enum hnae3_client_type client_type, > + enum hnae3_dev_type dev_type) > +{ > + if (dev_type == HNAE3_DEV_KNIC) { > + switch (client_type) { > + case HNAE3_CLIENT_KNIC: > + case HNAE3_CLIENT_ROCE: > + return true; > + default: > + return false; > + } > + } else if (dev_type == HNAE3_DEV_UNIC) { > + switch (client_type) { > + case HNAE3_CLIENT_UNIC: > + return true; > + default: > + return false; > + } > + } else { > + return false; > + } > +} > + > +static int hnae3_match_n_instantiate(struct hnae3_client *client, > + struct hnae3_ae_dev *ae_dev, > + bool is_reg, bool *matched) > +{ > + int ret; > + > + *matched = false; > + > + /* check if this client matches the type of ae_dev */ > + if (!(hnae3_client_match(client->type, ae_dev->dev_type) && > + hnae_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B))) { > + return 0; > + } > + /* there is a match of client and dev */ > + *matched = true; > + > + if (!(ae_dev->ops && ae_dev->ops->init_client_instance && > + ae_dev->ops->uninit_client_instance)) { > + dev_err(&ae_dev->pdev->dev, > + "ae_dev or client init/uninit ops are null\n"); > + return -EOPNOTSUPP; > + } > + > + /* now, (un-)instantiate client by calling lower layer */ > + if (is_reg) { > + ret = ae_dev->ops->init_client_instance(client, ae_dev); > + if (ret) > + dev_err(&ae_dev->pdev->dev, > + "fail to instantiate client\n"); > + return ret; > + } > + > + ae_dev->ops->uninit_client_instance(client, ae_dev); > + return 0; > +} > + > +int hnae3_register_client(struct hnae3_client *client) > +{ > + struct hnae3_client *client_tmp; > + struct hnae3_ae_dev *ae_dev; > + bool matched; > + int ret = 0; > + > + mutex_lock(&hnae3_common_lock); > + /* one system should only have one client for every type */ > + list_for_each_entry(client_tmp, &hnae3_client_list, node) { > + if (client_tmp->type == client->type) > + goto exit; > + } > + > + list_add_tail(&client->node, &hnae3_client_list); > + > + /* initialize the client on every matched port */ > + list_for_each_entry(ae_dev, &hnae3_ae_dev_list, node) { > + /* if the client could not be initialized on current port, for > + * any error reasons, move on to next available port > + */ > + ret = hnae3_match_n_instantiate(client, ae_dev, true, &matched); > + if (ret) > + dev_err(&ae_dev->pdev->dev, > + "match and instantiation failed for port\n"); > + } > + > +exit: > + mutex_unlock(&hnae3_common_lock); > + > + return ret; > +} > +EXPORT_SYMBOL(hnae3_register_client); > + > +void hnae3_unregister_client(struct hnae3_client *client) > +{ > + struct hnae3_ae_dev *ae_dev; > + bool matched; > + > + mutex_lock(&hnae3_common_lock); > + /* un-initialize the client on every matched port */ > + list_for_each_entry(ae_dev, &hnae3_ae_dev_list, node) { > + hnae3_match_n_instantiate(client, ae_dev, false, &matched); > + } > + > + list_del(&client->node); > + mutex_unlock(&hnae3_common_lock); > +} > +EXPORT_SYMBOL(hnae3_unregister_client); > + > +/* hnae_ae_register - register a AE engine to hnae framework > + * @hdev: the hnae ae engine device > + * @owner: the module who provides this dev > + * NOTE: the duplicated name will not be checked > + */ > +int hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo) > +{ > + const struct pci_device_id *id; > + struct hnae3_ae_dev *ae_dev; > + struct hnae3_client *client; > + bool matched; > + int ret = 0; > + > + mutex_lock(&hnae3_common_lock); > + > + list_add_tail(&ae_algo->node, &hnae3_ae_algo_list); > + > + /* Check if this algo/ops matches the list of ae_devs */ > + list_for_each_entry(ae_dev, &hnae3_ae_dev_list, node) { > + id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev); > + if (!id) > + continue; > + > + /* ae_dev init should set flag */ > + ae_dev->ops = ae_algo->ops; > + ret = ae_algo->ops->init_ae_dev(ae_dev); > + if (ret) { > + dev_err(&ae_dev->pdev->dev, "init ae_dev error.\n"); > + continue; > + } > + > + hnae_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 1); > + > + /* check the client list for the match with this ae_dev type and > + * initialize the figure out client instance > + */ > + list_for_each_entry(client, &hnae3_client_list, node) { > + ret = hnae3_match_n_instantiate(client, ae_dev, true, > + &matched); > + if (ret) > + dev_err(&ae_dev->pdev->dev, > + "match and instantiation failed\n"); > + if (matched) > + break; > + } > + } > + > + mutex_unlock(&hnae3_common_lock); > + > + return ret; > +} > +EXPORT_SYMBOL(hnae3_register_ae_algo); > + > +/* hnae_ae_unregister - unregisters a HNAE AE engine > + * @cdev: the device to unregister > + */ > +void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo) > +{ > + const struct pci_device_id *id; > + struct hnae3_ae_dev *ae_dev; > + struct hnae3_client *client; > + bool matched; > + > + mutex_lock(&hnae3_common_lock); > + /* Check if there are matched ae_dev */ > + list_for_each_entry(ae_dev, &hnae3_ae_dev_list, node) { > + id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev); > + if (!id) > + continue; > + > + /* check the client list for the match with this ae_dev type and > + * un-initialize the figure out client instance > + */ > + list_for_each_entry(client, &hnae3_client_list, node) { > + hnae3_match_n_instantiate(client, ae_dev, false, > + &matched); > + if (matched) > + break; > + } > + > + ae_algo->ops->uninit_ae_dev(ae_dev); > + hnae_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 0); > + } > + > + list_del(&ae_algo->node); > + mutex_unlock(&hnae3_common_lock); > +} > +EXPORT_SYMBOL(hnae3_unregister_ae_algo); > + > +/* hnae_ae_register - register a AE engine to hnae framework > + * @hdev: the hnae ae engine device > + * @owner: the module who provides this dev > + * NOTE: the duplicated name will not be checked > + */ > +int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev) > +{ > + const struct pci_device_id *id; > + struct hnae3_ae_algo *ae_algo; > + struct hnae3_client *client; > + bool matched; > + int ret = 0; > + > + mutex_lock(&hnae3_common_lock); > + list_add_tail(&ae_dev->node, &hnae3_ae_dev_list); > + > + /* Check if there are matched ae_algo */ > + list_for_each_entry(ae_algo, &hnae3_ae_algo_list, node) { > + id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev); > + if (!id) > + continue; > + > + ae_dev->ops = ae_algo->ops; > + > + if (!ae_dev->ops) { > + dev_err(&ae_dev->pdev->dev, "ae_dev ops are null\n"); > + goto out_err; > + } > + > + /* ae_dev init should set flag */ > + ret = ae_dev->ops->init_ae_dev(ae_dev); > + if (ret) { > + dev_err(&ae_dev->pdev->dev, "init ae_dev error\n"); > + goto out_err; > + } > + > + hnae_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 1); > + break; > + } > + > + /* check the client list for the match with this ae_dev type and > + * initialize the figure out client instance > + */ > + list_for_each_entry(client, &hnae3_client_list, node) { > + ret = hnae3_match_n_instantiate(client, ae_dev, true, > + &matched); > + if (ret) > + dev_err(&ae_dev->pdev->dev, > + "match and instantiation failed\n"); > + if (matched) > + break; > + } > + > +out_err: > + mutex_unlock(&hnae3_common_lock); > + > + return ret; > +} > +EXPORT_SYMBOL(hnae3_register_ae_dev); > + > +/* hnae_ae_unregister - unregisters a HNAE AE engine > + * @cdev: the device to unregister > + */ > +void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev) > +{ > + const struct pci_device_id *id; > + struct hnae3_ae_algo *ae_algo; > + struct hnae3_client *client; > + bool matched; > + > + mutex_lock(&hnae3_common_lock); > + /* Check if there are matched ae_algo */ > + list_for_each_entry(ae_algo, &hnae3_ae_algo_list, node) { > + id = pci_match_id(ae_algo->pdev_id_table, ae_dev->pdev); > + if (!id) > + continue; > + > + list_for_each_entry(client, &hnae3_client_list, node) { > + hnae3_match_n_instantiate(client, ae_dev, false, > + &matched); > + if (matched) > + break; > + } > + > + ae_algo->ops->uninit_ae_dev(ae_dev); > + hnae_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 0); > + } > + > + list_del(&ae_dev->node); > + mutex_unlock(&hnae3_common_lock); > +} > +EXPORT_SYMBOL(hnae3_unregister_ae_dev); > + > +MODULE_AUTHOR("Huawei Tech. Co., Ltd."); > +MODULE_LICENSE("GPL"); > +MODULE_DESCRIPTION("HNAE3(Hisilicon Network Acceleration Engine) Framework"); > diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h > b/drivers/net/ethernet/hisilicon/hns3/hnae3.h > new file mode 100644 > index 000000000000..88655c121769 > --- /dev/null > +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h > @@ -0,0 +1,449 @@ > +/* > + * Copyright (c) 2016-2017 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 __HNAE_H > +#define __HNAE_H > + > +/* Names used in this framework: > + * ae handle (handle): > + * a set of queues provided by AE > + * ring buffer queue (rbq): > + * the channel between upper layer and the AE, can do tx and rx > + * ring: > + * a tx or rx channel within a rbq > + * ring description (desc): > + * an element in the ring with packet information > + * buffer: > + * a memory region referred by desc with the full packet payload > + * > + * "num" means a static number set as a parameter, "count" mean a dynamic > + * number set while running > + * "cb" means control block > + */ > + > +#include <linux/acpi.h> > +#include <linux/delay.h> > +#include <linux/device.h> > +#include <linux/module.h> > +#include <linux/netdevice.h> > +#include <linux/pci.h> > +#include <linux/types.h> > + > +#define HNAE_DRIVER_VERSION "1.0"
Please no driver versions.
> +#define HNAE_DRIVER_NAME "hns3"
> +#define HNAE_COPYRIGHT "Copyright(c) 2017 Huawei Corporation."
> +#define HNAE_DRIVER_STRING "Hisilicon Network Subsystem Driver"
> +#define HNAE_DEFAULT_DEVICE_DESCR "Hisilicon Network Subsystem"
You are not subsystem yet.
> +
> +/* Device IDs */
> +#define HISILICON 0x19E5
> +#define HNAE3_DEV_ID_GE 0xA220
> +#define HNAE3_DEV_ID_25GE 0xA221
> +#define HNAE3_DEV_ID_25GE_RDMA 0xA222
> +#define HNAE3_DEV_ID_25GE_RDMA_MACSEC 0xA223
> +#define HNAE3_DEV_ID_50GE_RDMA 0xA224
> +#define HNAE3_DEV_ID_50GE_RDMA_MACSEC 0xA225
> +#define HNAE3_DEV_ID_100G_RDMA_MACSEC 0xA226
> +#define HNAE3_DEV_ID_100G_VF 0xA22E
> +#define HNAE3_DEV_ID_100G_RDMA_DCB_PFC_VF 0xA22F
> +
> +#define HNAE3_CLASS_NAME_SIZE 16
> +
> +#define HNAE3_DEV_INITED_B 0x0
> +#define HNAE_DEV_SUPPORT_ROCE_B 0x1
> +
> +#define ring_ptr_move_fw(ring, p) \
> + ((ring)->p = ((ring)->p + 1) % (ring)->desc_num)
> +#define ring_ptr_move_bw(ring, p) \
> + ((ring)->p = ((ring)->p - 1 + (ring)->desc_num) % (ring)->desc_num)
> +
> +enum hns_desc_type {
> + DESC_TYPE_SKB,
> + DESC_TYPE_PAGE,
> +};
> +
> +struct hnae3_handle;
> +
> +struct hnae3_queue {
> + void __iomem *io_base;
> + struct hnae3_ae_algo *ae_algo;
> + struct hnae3_handle *handle;
> + int tqp_index; /* index in a handle */
> + u32 buf_size; /* size for hnae_desc->addr, preset by AE */
> + u16 desc_num; /* total number of desc */
> +};
> +
> +/*hnae3 loop mode*/
> +enum hnae3_loop {
> + HNAE3_MAC_INTER_LOOP_MAC,
> + HNAE3_MAC_INTER_LOOP_SERDES,
> + HNAE3_MAC_INTER_LOOP_PHY,
> + HNAE3_MAC_LOOP_NONE,
> +};
> +
> +enum hnae3_client_type {
> + HNAE3_CLIENT_KNIC,
> + HNAE3_CLIENT_UNIC,
> + HNAE3_CLIENT_ROCE,
> +};
> +
> +enum hnae3_dev_type {
> + HNAE3_DEV_KNIC,
> + HNAE3_DEV_UNIC,
> +};
> +
> +/* mac media type */
> +enum hnae3_media_type {
> + HNAE3_MEDIA_TYPE_UNKNOWN,
> + HNAE3_MEDIA_TYPE_FIBER,
> + HNAE3_MEDIA_TYPE_COPPER,
> + HNAE3_MEDIA_TYPE_BACKPLANE,
> +};
> +
> +struct hnae3_vector_info {
> + u8 __iomem *io_addr;
> + int vector;
> +};
> +
> +#define HNAE3_RING_TYPE_B 0
> +#define HNAE3_RING_TYPE_TX 0
> +#define HNAE3_RING_TYPE_RX 1
> +
> +struct hnae3_ring_chain_node {
> + struct hnae3_ring_chain_node *next;
> + u32 tqp_index;
> + u32 flag;
> +};
> +
> +#define HNAE3_IS_TX_RING(node) \
> + (((node)->flag & (1 << HNAE3_RING_TYPE_B)) == HNAE3_RING_TYPE_TX)
> +
> +struct hnae3_client_ops {
> + int (*init_instance)(struct hnae3_handle *handle);
> + void (*uninit_instance)(struct hnae3_handle *handle, bool reset);
> + void (*link_status_change)(struct hnae3_handle *handle, bool state);
> +};
> +
> +#define HNAE3_CLIENT_NAME_LENGTH 16
> +struct hnae3_client {
> + char name[HNAE3_CLIENT_NAME_LENGTH];
> + u16 version;
> + unsigned long state;
> + enum hnae3_client_type type;
> + const struct hnae3_client_ops *ops;
> + struct list_head node;
> +};
> +
> +struct hnae3_ae_dev {
> + struct pci_dev *pdev;
> + const struct hnae3_ae_ops *ops;
> + struct list_head node;
> + u32 flag;
> + enum hnae3_dev_type dev_type;
> + void *priv;
> +};
> +
> +/* This struct defines the operation on the handle.
> + *
> + * init_ae_dev(): (mandatory)
> + * Get PF configure from pci_dev and initialize PF hardware
> + * uninit_ae_dev()
> + * Disable PF device and release PF resource
> + * register_client
> + * Register client to ae_dev
> + * unregister_client()
> + * Unregister client from ae_dev
> + * start()
> + * Enable the hardware
> + * stop()
> + * Disable the hardware
> + * get_status()
> + * Get the carrier state of the back channel of the handle, 1 for ok, 0 for
> + * non-ok
> + * get_ksettings_an_result()
> + * Get negotiation status,speed and duplex
> + * update_speed_duplex_h()
> + * Update hardware speed and duplex
> + * get_media_type()
> + * Get media type of MAC
> + * adjust_link()
> + * Adjust link status
> + * set_loopback()
> + * Set loopback
> + * set_promisc_mode
> + * Set promisc mode
> + * set_mtu()
> + * set mtu
> + * get_pauseparam()
> + * get tx and rx of pause frame use
> + * set_pauseparam()
> + * set tx and rx of pause frame use
> + * set_autoneg()
> + * set auto autonegotiation of pause frame use
> + * get_autoneg()
> + * get auto autonegotiation of pause frame use
> + * get_coalesce_usecs()
> + * get usecs to delay a TX interrupt after a packet is sent
> + * get_rx_max_coalesced_frames()
> + * get Maximum number of packets to be sent before a TX interrupt.
> + * set_coalesce_usecs()
> + * set usecs to delay a TX interrupt after a packet is sent
> + * set_coalesce_frames()
> + * set Maximum number of packets to be sent before a TX interrupt.
> + * get_mac_addr()
> + * get mac address
> + * set_mac_addr()
> + * set mac address
> + * add_uc_addr
> + * Add unicast addr to mac table
> + * rm_uc_addr
> + * Remove unicast addr from mac table
> + * set_mc_addr()
> + * Set multicast address
> + * add_mc_addr
> + * Add multicast address to mac table
> + * rm_mc_addr
> + * Remove multicast address from mac table
> + * update_stats()
> + * Update Old network device statistics
> + * get_ethtool_stats()
> + * Get ethtool network device statistics
> + * get_strings()
> + * Get a set of strings that describe the requested objects
> + * get_sset_count()
> + * Get number of strings that @get_strings will write
> + * update_led_status()
> + * Update the led status
> + * set_led_id()
> + * Set led id
> + * get_regs()
> + * Get regs dump
> + * get_regs_len()
> + * Get the len of the regs dump
> + * get_rss_key_size()
> + * Get rss key size
> + * get_rss_indir_size()
> + * Get rss indirection table size
> + * get_rss()
> + * Get rss table
> + * set_rss()
> + * Set rss table
> + * get_tc_size()
> + * Get tc size of handle
> + * get_vector()
> + * Get vector number and vector information
> + * map_ring_to_vector()
> + * Map rings to vector
> + * unmap_ring_from_vector()
> + * Unmap rings from vector
> + * add_tunnel_udp()
> + * Add tunnel information to hardware
> + * del_tunnel_udp()
> + * Delete tunnel information from hardware
> + * reset_queue()
> + * Reset queue
> + * get_fw_version()
> + * Get firmware version
> + * get_mdix_mode()
> + * Get media typr of phy
> + * set_vlan_filter()
> + * Set vlan filter config of Ports
> + * set_vf_vlan_filter()
> + * Set vlan filter config of vf
> + */
> +struct hnae3_ae_ops {
> + int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
> + void (*uninit_ae_dev)(struct hnae3_ae_dev *ae_dev);
> +
> + int (*init_client_instance)(struct hnae3_client *client,
> + struct hnae3_ae_dev *ae_dev);
> + void (*uninit_client_instance)(struct hnae3_client *client,
> + struct hnae3_ae_dev *ae_dev);
> + int (*start)(struct hnae3_handle *handle);
> + void (*stop)(struct hnae3_handle *handle);
> + int (*get_status)(struct hnae3_handle *handle);
> + void (*get_ksettings_an_result)(struct hnae3_handle *handle,
> + u8 *auto_neg, u32 *speed, u8 *duplex);
> +
> + int (*update_speed_duplex_h)(struct hnae3_handle *handle);
> + int (*cfg_mac_speed_dup_h)(struct hnae3_handle *handle, int speed,
> + u8 duplex);
> +
> + void (*get_media_type)(struct hnae3_handle *handle, u8 *media_type);
> + void (*adjust_link)(struct hnae3_handle *handle, int speed, int duplex);
> + int (*set_loopback)(struct hnae3_handle *handle,
> + enum hnae3_loop loop_mode, bool en);
> +
> + void (*set_promisc_mode)(struct hnae3_handle *handle, u32 en);
> + int (*set_mtu)(struct hnae3_handle *handle, int new_mtu);
> +
> + void (*get_pauseparam)(struct hnae3_handle *handle,
> + u32 *auto_neg, u32 *rx_en, u32 *tx_en);
> + int (*set_pauseparam)(struct hnae3_handle *handle,
> + u32 auto_neg, u32 rx_en, u32 tx_en);
> +
> + int (*set_autoneg)(struct hnae3_handle *handle, bool enable);
> + int (*get_autoneg)(struct hnae3_handle *handle);
> +
> + void (*get_coalesce_usecs)(struct hnae3_handle *handle,
> + u32 *tx_usecs, u32 *rx_usecs);
> + void (*get_rx_max_coalesced_frames)(struct hnae3_handle *handle,
> + u32 *tx_frames, u32 *rx_frames);
> + int (*set_coalesce_usecs)(struct hnae3_handle *handle, u32 timeout);
> + int (*set_coalesce_frames)(struct hnae3_handle *handle,
> + u32 coalesce_frames);
> + void (*get_coalesce_range)(struct hnae3_handle *handle,
> + u32 *tx_frames_low, u32 *rx_frames_low,
> + u32 *tx_frames_high, u32 *rx_frames_high,
> + u32 *tx_usecs_low, u32 *rx_usecs_low,
> + u32 *tx_usecs_high, u32 *rx_usecs_high);
> +
> + void (*get_mac_addr)(struct hnae3_handle *handle, u8 *p);
> + int (*set_mac_addr)(struct hnae3_handle *handle, void *p);
> + int (*add_uc_addr)(struct hnae3_handle *handle,
> + const unsigned char *addr);
> + int (*rm_uc_addr)(struct hnae3_handle *handle,
> + const unsigned char *addr);
> + int (*set_mc_addr)(struct hnae3_handle *handle, void *addr);
> + int (*add_mc_addr)(struct hnae3_handle *handle,
> + const unsigned char *addr);
> + int (*rm_mc_addr)(struct hnae3_handle *handle,
> + const unsigned char *addr);
> +
> + void (*set_tso_stats)(struct hnae3_handle *handle, int enable);
> + void (*update_stats)(struct hnae3_handle *handle,
> + struct net_device_stats *net_stats);
> + void (*get_stats)(struct hnae3_handle *handle, u64 *data);
> +
> + void (*get_strings)(struct hnae3_handle *handle,
> + u32 stringset, u8 *data);
> + int (*get_sset_count)(struct hnae3_handle *handle, int stringset);
> +
> + 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 (*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);
> +};
> +
> +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 up; /* user priority */
> + u8 tc; /* TC index */
> + bool enable; /* If this TC is enable or not */
> +};
> +
> +#define HNAE3_MAX_TC 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 */
> + 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 */
> +};
> +
> +struct hnae3_roce_private_info {
> + void __iomem *roce_io_base;
> + struct net_device *netdev;
> + int base_vector;
> + int num_vectors;
> +};
> +
> +struct hnae3_unic_private_info {
> + 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 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
> --
> 2.11.0
>
>
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