Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752665AbdFQRZi (ORCPT ); Sat, 17 Jun 2017 13:25:38 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:7882 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752145AbdFQRZc (ORCPT ); Sat, 17 Jun 2017 13:25:32 -0400 From: Salil Mehta To: CC: , , , , , , , Subject: [PATCH V3 net-next 2/8] net: hns3: Add support of the HNAE3 framework Date: Sat, 17 Jun 2017 18:24:25 +0100 Message-ID: <20170617172431.177044-3-salil.mehta@huawei.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20170617172431.177044-1-salil.mehta@huawei.com> References: <20170617172431.177044-1-salil.mehta@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.203.181.160] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090205.59456607.0063,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: f7e5210ff2cf73a54d4dc36a47437902 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 23656 Lines: 792 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 Signed-off-by: lipeng Signed-off-by: Salil Mehta Signed-off-by: Yisen Zhuang --- Patch V3: Addressed 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 | 305 +++++++++++++++++++ drivers/net/ethernet/hisilicon/hns3/hnae3.h | 449 ++++++++++++++++++++++++++++ 2 files changed, 754 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..77a665d --- /dev/null +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.c @@ -0,0 +1,305 @@ +/* + * 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 +#include +#include + +#include "hnae3.h" + +static LIST_HEAD(hnae3_ae_algo_list); +static LIST_HEAD(hnae3_client_list); +static LIST_HEAD(hnae3_ae_dev_list); + +static DEFINE_SPINLOCK(hnae3_list_ae_algo_lock); +static DEFINE_SPINLOCK(hnae3_list_client_lock); +static DEFINE_SPINLOCK(hnae3_list_ae_dev_lock); + +static void hnae3_list_add(spinlock_t *lock, struct list_head *node, + struct list_head *head) +{ + unsigned long flags; + + spin_lock_irqsave(lock, flags); + list_add_tail(node, head); + spin_unlock_irqrestore(lock, flags); +} + +static void hnae3_list_del(spinlock_t *lock, struct list_head *node) +{ + unsigned long flags; + + spin_lock_irqsave(lock, flags); + list_del(node); + spin_unlock_irqrestore(lock, flags); +} + +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; + } +} + +int hnae3_register_client(struct hnae3_client *client) +{ + struct hnae3_client *client_tmp; + struct hnae3_ae_dev *ae_dev; + int ret; + + /* 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) + return 0; + } + + hnae3_list_add(&hnae3_list_client_lock, &client->node, + &hnae3_client_list); + + /* Check if there are matched ae_dev */ + list_for_each_entry(ae_dev, &hnae3_ae_dev_list, node) { + if (hnae3_client_match(client->type, ae_dev->dev_type) && + hnae_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B)) { + if (ae_dev->ops && ae_dev->ops->register_client) { + ret = ae_dev->ops->register_client(client, + ae_dev); + if (ret) { + dev_err(&ae_dev->pdev->dev, + "init ae_dev error.\n"); + return ret; + } + } + } + } + + return 0; +} +EXPORT_SYMBOL(hnae3_register_client); + +void hnae3_unregister_client(struct hnae3_client *client) +{ + struct hnae3_ae_dev *ae_dev; + + /* Check if there are matched ae_dev */ + list_for_each_entry(ae_dev, &hnae3_ae_dev_list, node) { + if (hnae3_client_match(client->type, ae_dev->dev_type) && + hnae_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B)) + if (ae_dev->ops && ae_dev->ops->unregister_client) + ae_dev->ops->unregister_client(client, ae_dev); + } + hnae3_list_del(&hnae3_list_client_lock, &client->node); +} +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) +{ + struct hnae3_ae_dev *ae_dev; + struct hnae3_client *client; + const struct pci_device_id *id; + int ret; + + hnae3_list_add(&hnae3_list_ae_algo_lock, &ae_algo->node, + &hnae3_ae_algo_list); + + /* 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; + + /* ae_dev init should set flag */ + ae_dev->ops = ae_algo->ops; + ret = ae_algo->ops->init_ae_dev(ae_dev); + if (!ret) { + hnae_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 1); + } else { + dev_err(&ae_dev->pdev->dev, "init ae_dev error.\n"); + return ret; + } + + list_for_each_entry(client, &hnae3_client_list, node) { + if (hnae3_client_match(client->type, + ae_dev->dev_type) && + hnae_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B)) { + if (ae_dev->ops && + ae_dev->ops->register_client) { + ret = ae_dev->ops->register_client( + client, ae_dev); + if (ret) { + dev_err(&ae_dev->pdev->dev, + "init ae_dev error.\n"); + return ret; + } + } + } + } + } + + return 0; +} +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) +{ + struct hnae3_ae_dev *ae_dev; + struct hnae3_client *client; + const struct pci_device_id *id; + + /* 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 if there are matched client */ + list_for_each_entry(client, &hnae3_client_list, node) { + if (hnae3_client_match(client->type, + ae_dev->dev_type) && + hnae_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B)) { + hnae3_unregister_client(client); + continue; + } + } + + ae_algo->ops->uninit_ae_dev(ae_dev); + hnae_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 0); + } + + hnae3_list_del(&hnae3_list_ae_algo_lock, &ae_algo->node); +} +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) +{ + struct hnae3_ae_algo *ae_algo; + struct hnae3_client *client; + const struct pci_device_id *id; + int ret; + + hnae3_list_add(&hnae3_list_ae_dev_lock, &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; + + /* ae_dev init should set flag */ + ret = ae_dev->ops->init_ae_dev(ae_dev); + if (!ret) { + hnae_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 1); + break; + } + + dev_err(&ae_dev->pdev->dev, "init ae_dev error.\n"); + return ret; + } + + if (!ae_dev->ops) + return 0; + + list_for_each_entry(client, &hnae3_client_list, node) { + if (hnae3_client_match(client->type, ae_dev->dev_type) && + hnae_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B)) { + if (ae_dev->ops && ae_dev->ops->register_client) { + ret = ae_dev->ops->register_client(client, + ae_dev); + if (ret) { + dev_err(&ae_dev->pdev->dev, + "init ae_dev error.\n"); + return ret; + } + } + } + } + + return 0; +} +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) +{ + struct hnae3_ae_algo *ae_algo; + struct hnae3_client *client; + const struct pci_device_id *id; + + /* 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; + + /* Check if there are matched client */ + list_for_each_entry(client, &hnae3_client_list, node) { + if (hnae3_client_match(client->type, + ae_dev->dev_type) && + hnae_get_bit(ae_dev->flag, HNAE3_DEV_INITED_B)) { + hnae3_unregister_client(client); + continue; + } + } + + ae_algo->ops->uninit_ae_dev(ae_dev); + hnae_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 0); + } + + hnae3_list_del(&hnae3_list_ae_dev_lock, &ae_dev->node); +} +EXPORT_SYMBOL(hnae3_unregister_ae_dev); + +static int __init hnae3_init(void) +{ + return 0; +} + +static void __exit hnae3_exit(void) +{ +} + +module_init(hnae3_init); +module_exit(hnae3_exit); + +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..2575f30 --- /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 +#include +#include +#include +#include +#include +#include + +#define HNAE_DRIVER_VERSION "1.0" +#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" + +/* 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; + 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 infomation + * 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 (*register_client)(struct hnae3_client *client, + struct hnae3_ae_dev *ae_dev); + void (*unregister_client)(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 { + 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 -- 2.7.4