// SPDX-License-Identifier: GPL-2.0-or-later /* * QLogic QLA3xxx NIC HBA Driver * Copyright (c) 2003-2006 QLogic Corporation */ #define pr_fmt(fmt) … #include <linux/kernel.h> #include <linux/types.h> #include <linux/module.h> #include <linux/list.h> #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/dmapool.h> #include <linux/mempool.h> #include <linux/spinlock.h> #include <linux/kthread.h> #include <linux/interrupt.h> #include <linux/errno.h> #include <linux/ioport.h> #include <linux/ip.h> #include <linux/in.h> #include <linux/if_arp.h> #include <linux/if_ether.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/skbuff.h> #include <linux/rtnetlink.h> #include <linux/if_vlan.h> #include <linux/delay.h> #include <linux/mm.h> #include <linux/prefetch.h> #include "qla3xxx.h" #define DRV_NAME … #define DRV_STRING … #define DRV_VERSION … static const char ql3xxx_driver_name[] = …; static const char ql3xxx_driver_version[] = …; #define TIMED_OUT_MSG … MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_VERSION(…); static const u32 default_msg = …; static int debug = …; /* defaults above */ module_param(debug, int, 0); MODULE_PARM_DESC(…) …; static int msi; module_param(msi, int, 0); MODULE_PARM_DESC(…) …; static const struct pci_device_id ql3xxx_pci_tbl[] = …; MODULE_DEVICE_TABLE(pci, ql3xxx_pci_tbl); /* * These are the known PHY's which are used */ enum PHY_DEVICE_TYPE { … }; struct PHY_DEVICE_INFO { … }; static const struct PHY_DEVICE_INFO PHY_DEVICES[] = …; /* * Caller must take hw_lock. */ static int ql_sem_spinlock(struct ql3_adapter *qdev, u32 sem_mask, u32 sem_bits) { … } static void ql_sem_unlock(struct ql3_adapter *qdev, u32 sem_mask) { … } static int ql_sem_lock(struct ql3_adapter *qdev, u32 sem_mask, u32 sem_bits) { … } /* * Caller holds hw_lock. */ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev) { … } static void ql_set_register_page(struct ql3_adapter *qdev, u32 page) { … } static u32 ql_read_common_reg_l(struct ql3_adapter *qdev, u32 __iomem *reg) { … } static u32 ql_read_common_reg(struct ql3_adapter *qdev, u32 __iomem *reg) { … } static u32 ql_read_page0_reg_l(struct ql3_adapter *qdev, u32 __iomem *reg) { … } static u32 ql_read_page0_reg(struct ql3_adapter *qdev, u32 __iomem *reg) { … } static void ql_write_common_reg_l(struct ql3_adapter *qdev, u32 __iomem *reg, u32 value) { … } static void ql_write_common_reg(struct ql3_adapter *qdev, u32 __iomem *reg, u32 value) { … } static void ql_write_nvram_reg(struct ql3_adapter *qdev, u32 __iomem *reg, u32 value) { … } static void ql_write_page0_reg(struct ql3_adapter *qdev, u32 __iomem *reg, u32 value) { … } /* * Caller holds hw_lock. Only called during init. */ static void ql_write_page1_reg(struct ql3_adapter *qdev, u32 __iomem *reg, u32 value) { … } /* * Caller holds hw_lock. Only called during init. */ static void ql_write_page2_reg(struct ql3_adapter *qdev, u32 __iomem *reg, u32 value) { … } static void ql_disable_interrupts(struct ql3_adapter *qdev) { … } static void ql_enable_interrupts(struct ql3_adapter *qdev) { … } static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev, struct ql_rcv_buf_cb *lrg_buf_cb) { … } static struct ql_rcv_buf_cb *ql_get_from_lrg_buf_free_list(struct ql3_adapter *qdev) { … } static u32 addrBits = …; static u32 dataBits = …; static void fm93c56a_deselect(struct ql3_adapter *qdev); static void eeprom_readword(struct ql3_adapter *qdev, u32 eepromAddr, unsigned short *value); /* * Caller holds hw_lock. */ static void fm93c56a_select(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static void fm93c56a_cmd(struct ql3_adapter *qdev, u32 cmd, u32 eepromAddr) { … } /* * Caller holds hw_lock. */ static void fm93c56a_deselect(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static void fm93c56a_datain(struct ql3_adapter *qdev, unsigned short *value) { … } /* * Caller holds hw_lock. */ static void eeprom_readword(struct ql3_adapter *qdev, u32 eepromAddr, unsigned short *value) { … } static void ql_set_mac_addr(struct net_device *ndev, u16 *addr) { … } static int ql_get_nvram_params(struct ql3_adapter *qdev) { … } static const u32 PHYAddr[2] = …; static int ql_wait_for_mii_ready(struct ql3_adapter *qdev) { … } static void ql_mii_enable_scan_mode(struct ql3_adapter *qdev) { … } static u8 ql_mii_disable_scan_mode(struct ql3_adapter *qdev) { … } static int ql_mii_write_reg_ex(struct ql3_adapter *qdev, u16 regAddr, u16 value, u32 phyAddr) { … } static int ql_mii_read_reg_ex(struct ql3_adapter *qdev, u16 regAddr, u16 *value, u32 phyAddr) { … } static int ql_mii_write_reg(struct ql3_adapter *qdev, u16 regAddr, u16 value) { … } static int ql_mii_read_reg(struct ql3_adapter *qdev, u16 regAddr, u16 *value) { … } static void ql_petbi_reset(struct ql3_adapter *qdev) { … } static void ql_petbi_start_neg(struct ql3_adapter *qdev) { … } static void ql_petbi_reset_ex(struct ql3_adapter *qdev) { … } static void ql_petbi_start_neg_ex(struct ql3_adapter *qdev) { … } static void ql_petbi_init(struct ql3_adapter *qdev) { … } static void ql_petbi_init_ex(struct ql3_adapter *qdev) { … } static int ql_is_petbi_neg_pause(struct ql3_adapter *qdev) { … } static void phyAgereSpecificInit(struct ql3_adapter *qdev, u32 miiAddr) { … } static enum PHY_DEVICE_TYPE getPhyType(struct ql3_adapter *qdev, u16 phyIdReg0, u16 phyIdReg1) { … } static int ql_phy_get_speed(struct ql3_adapter *qdev) { … } static int ql_is_full_dup(struct ql3_adapter *qdev) { … } static int ql_is_phy_neg_pause(struct ql3_adapter *qdev) { … } static int PHY_Setup(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static void ql_mac_enable(struct ql3_adapter *qdev, u32 enable) { … } /* * Caller holds hw_lock. */ static void ql_mac_cfg_soft_reset(struct ql3_adapter *qdev, u32 enable) { … } /* * Caller holds hw_lock. */ static void ql_mac_cfg_gig(struct ql3_adapter *qdev, u32 enable) { … } /* * Caller holds hw_lock. */ static void ql_mac_cfg_full_dup(struct ql3_adapter *qdev, u32 enable) { … } /* * Caller holds hw_lock. */ static void ql_mac_cfg_pause(struct ql3_adapter *qdev, u32 enable) { … } /* * Caller holds hw_lock. */ static int ql_is_fiber(struct ql3_adapter *qdev) { … } static int ql_is_auto_cfg(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static int ql_is_auto_neg_complete(struct ql3_adapter *qdev) { … } /* * ql_is_neg_pause() returns 1 if pause was negotiated to be on */ static int ql_is_neg_pause(struct ql3_adapter *qdev) { … } static int ql_auto_neg_error(struct ql3_adapter *qdev) { … } static u32 ql_get_link_speed(struct ql3_adapter *qdev) { … } static int ql_is_link_full_dup(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static int ql_link_down_detect(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static int ql_link_down_detect_clear(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static int ql_this_adapter_controls_port(struct ql3_adapter *qdev) { … } static void ql_phy_reset_ex(struct ql3_adapter *qdev) { … } static void ql_phy_start_neg_ex(struct ql3_adapter *qdev) { … } static void ql_phy_init_ex(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static u32 ql_get_link_state(struct ql3_adapter *qdev) { … } static int ql_port_start(struct ql3_adapter *qdev) { … } static int ql_finish_auto_neg(struct ql3_adapter *qdev) { … } static void ql_link_state_machine_work(struct work_struct *work) { … } /* * Caller must take hw_lock and QL_PHY_GIO_SEM. */ static void ql_get_phy_owner(struct ql3_adapter *qdev) { … } /* * Caller must take hw_lock and QL_PHY_GIO_SEM. */ static void ql_init_scan_mode(struct ql3_adapter *qdev) { … } /* * MII_Setup needs to be called before taking the PHY out of reset * so that the management interface clock speed can be set properly. * It would be better if we had a way to disable MDC until after the * PHY is out of reset, but we don't have that capability. */ static int ql_mii_setup(struct ql3_adapter *qdev) { … } #define SUPPORTED_OPTICAL_MODES … #define SUPPORTED_TP_MODES … \ static u32 ql_supported_modes(struct ql3_adapter *qdev) { … } static int ql_get_auto_cfg_status(struct ql3_adapter *qdev) { … } static u32 ql_get_speed(struct ql3_adapter *qdev) { … } static int ql_get_full_dup(struct ql3_adapter *qdev) { … } static int ql_get_link_ksettings(struct net_device *ndev, struct ethtool_link_ksettings *cmd) { … } static void ql_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *drvinfo) { … } static u32 ql_get_msglevel(struct net_device *ndev) { … } static void ql_set_msglevel(struct net_device *ndev, u32 value) { … } static void ql_get_pauseparam(struct net_device *ndev, struct ethtool_pauseparam *pause) { … } static const struct ethtool_ops ql3xxx_ethtool_ops = …; static int ql_populate_free_queue(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static void ql_update_small_bufq_prod_index(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev) { … } static void ql_process_mac_tx_intr(struct ql3_adapter *qdev, struct ob_mac_iocb_rsp *mac_rsp) { … } static void ql_get_sbuf(struct ql3_adapter *qdev) { … } static struct ql_rcv_buf_cb *ql_get_lbuf(struct ql3_adapter *qdev) { … } /* * The difference between 3022 and 3032 for inbound completions: * 3022 uses two buffers per completion. The first buffer contains * (some) header info, the second the remainder of the headers plus * the data. For this chip we reserve some space at the top of the * receive buffer so that the header info in buffer one can be * prepended to the buffer two. Buffer two is the sent up while * buffer one is returned to the hardware to be reused. * 3032 receives all of it's data and headers in one buffer for a * simpler process. 3032 also supports checksum verification as * can be seen in ql_process_macip_rx_intr(). */ static void ql_process_mac_rx_intr(struct ql3_adapter *qdev, struct ib_mac_iocb_rsp *ib_mac_rsp_ptr) { … } static void ql_process_macip_rx_intr(struct ql3_adapter *qdev, struct ib_ip_iocb_rsp *ib_ip_rsp_ptr) { … } static int ql_tx_rx_clean(struct ql3_adapter *qdev, int budget) { … } static int ql_poll(struct napi_struct *napi, int budget) { … } static irqreturn_t ql3xxx_isr(int irq, void *dev_id) { … } /* * Get the total number of segments needed for the given number of fragments. * This is necessary because outbound address lists (OAL) will be used when * more than two frags are given. Each address list has 5 addr/len pairs. * The 5th pair in each OAL is used to point to the next OAL if more frags * are coming. That is why the frags:segment count ratio is not linear. */ static int ql_get_seg_count(struct ql3_adapter *qdev, unsigned short frags) { … } static void ql_hw_csum_setup(const struct sk_buff *skb, struct ob_mac_iocb_req *mac_iocb_ptr) { … } /* * Map the buffers for this transmit. * This will return NETDEV_TX_BUSY or NETDEV_TX_OK based on success. */ static int ql_send_map(struct ql3_adapter *qdev, struct ob_mac_iocb_req *mac_iocb_ptr, struct ql_tx_buf_cb *tx_cb, struct sk_buff *skb) { … } /* * The difference between 3022 and 3032 sends: * 3022 only supports a simple single segment transmission. * 3032 supports checksumming and scatter/gather lists (fragments). * The 3032 supports sglists by using the 3 addr/len pairs (ALP) * in the IOCB plus a chain of outbound address lists (OAL) that * each contain 5 ALPs. The last ALP of the IOCB (3rd) or OAL (5th) * will be used to point to an OAL when more ALP entries are required. * The IOCB is always the top of the chain followed by one or more * OALs (when necessary). */ static netdev_tx_t ql3xxx_send(struct sk_buff *skb, struct net_device *ndev) { … } static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev) { … } static void ql_free_net_req_rsp_queues(struct ql3_adapter *qdev) { … } static int ql_alloc_buffer_queues(struct ql3_adapter *qdev) { … } static void ql_free_buffer_queues(struct ql3_adapter *qdev) { … } static int ql_alloc_small_buffers(struct ql3_adapter *qdev) { … } static void ql_free_small_buffers(struct ql3_adapter *qdev) { … } static void ql_free_large_buffers(struct ql3_adapter *qdev) { … } static void ql_init_large_buffers(struct ql3_adapter *qdev) { … } static int ql_alloc_large_buffers(struct ql3_adapter *qdev) { … } static void ql_free_send_free_list(struct ql3_adapter *qdev) { … } static int ql_create_send_free_list(struct ql3_adapter *qdev) { … } static int ql_alloc_mem_resources(struct ql3_adapter *qdev) { … } static void ql_free_mem_resources(struct ql3_adapter *qdev) { … } static int ql_init_misc_registers(struct ql3_adapter *qdev) { … } static int ql_adapter_initialize(struct ql3_adapter *qdev) { … } /* * Caller holds hw_lock. */ static int ql_adapter_reset(struct ql3_adapter *qdev) { … } static void ql_set_mac_info(struct ql3_adapter *qdev) { … } static void ql_display_dev_info(struct net_device *ndev) { … } static int ql_adapter_down(struct ql3_adapter *qdev, int do_reset) { … } static int ql_adapter_up(struct ql3_adapter *qdev) { … } static int ql_cycle_adapter(struct ql3_adapter *qdev, int reset) { … } static int ql3xxx_close(struct net_device *ndev) { … } static int ql3xxx_open(struct net_device *ndev) { … } static int ql3xxx_set_mac_address(struct net_device *ndev, void *p) { … } static void ql3xxx_tx_timeout(struct net_device *ndev, unsigned int txqueue) { … } static void ql_reset_work(struct work_struct *work) { … } static void ql_tx_timeout_work(struct work_struct *work) { … } static void ql_get_board_info(struct ql3_adapter *qdev) { … } static void ql3xxx_timer(struct timer_list *t) { … } static const struct net_device_ops ql3xxx_netdev_ops = …; static int ql3xxx_probe(struct pci_dev *pdev, const struct pci_device_id *pci_entry) { … } static void ql3xxx_remove(struct pci_dev *pdev) { … } static struct pci_driver ql3xxx_driver = …; module_pci_driver(…) …;
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