On Fri, Jul 28, 2017 at 11:26:46PM +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 <huangdaode@xxxxxxxxxxxxx> > Signed-off-by: lipeng <lipeng321@xxxxxxxxxx> > Signed-off-by: Salil Mehta <salil.mehta@xxxxxxxxxx> > Signed-off-by: Yisen Zhuang <yisen.zhuang@xxxxxxxxxx> > --- > Patch V5: Addressed following comments > 1. Leon Romanovsky: > https://lkml.org/lkml/2017/7/23/67 > 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 | 444 ++++++++++++++++++++++++++++ > 2 files changed, 763 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 0000000..d28b69d > --- /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/list.h> > +#include <linux/slab.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; > + } > +} Slightly compact version: static bool hnae3_client_match(enum hnae3_client_type client_type, enum hnae3_dev_type dev_type) { if (dev_type == HNAE3_DEV_KNIC && client_type == HNAE3_CLIENT_KNIC || client_type == HNAE3_CLIENT_ROCE) return true; if (dev_type == HNAE3_DEV_UNIC && client_type == HNAE3_CLIENT_UNIC) return true; 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; > + } You should check it during registration phase, IMHO in other places it is safe to assume that you have init/uninit functions. > + > + /* 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 0000000..c2f6411 > --- /dev/null > +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h > @@ -0,0 +1,444 @@ > +/* > + * 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> > + > +/* Device IDs */ > +#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 { > + 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 > -- > 2.7.4 > >
Attachment:
signature.asc
Description: PGP signature
