/* bnx2x_cmn.h: QLogic Everest network driver. * * Copyright (c) 2007-2013 Broadcom Corporation * Copyright (c) 2014 QLogic Corporation * All rights reserved * * 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. * * Maintained by: Ariel Elior <[email protected]> * Written by: Eliezer Tamir * Based on code from Michael Chan's bnx2 driver * UDP CSUM errata workaround by Arik Gendelman * Slowpath and fastpath rework by Vladislav Zolotarov * Statistics and Link management by Yitchak Gertner * */ #ifndef BNX2X_CMN_H #define BNX2X_CMN_H #include <linux/types.h> #include <linux/pci.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/irq.h> #include "bnx2x.h" #include "bnx2x_sriov.h" /* This is used as a replacement for an MCP if it's not present */ extern int bnx2x_load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */ extern int bnx2x_num_queues; /************************ Macros ********************************/ #define BNX2X_PCI_FREE(x, y, size) … #define BNX2X_FREE(x) … #define BNX2X_PCI_ALLOC(y, size) … #define BNX2X_PCI_FALLOC(y, size) … /*********************** Interfaces **************************** * Functions that need to be implemented by each driver version */ /* Init */ /** * bnx2x_send_unload_req - request unload mode from the MCP. * * @bp: driver handle * @unload_mode: requested function's unload mode * * Return unload mode returned by the MCP: COMMON, PORT or FUNC. */ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode); /** * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP. * * @bp: driver handle * @keep_link: true iff link should be kept up */ void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link); /** * bnx2x_config_rss_pf - configure RSS parameters in a PF. * * @bp: driver handle * @rss_obj: RSS object to use * @ind_table: indirection table to configure * @config_hash: re-configure RSS hash keys configuration * @enable: enabled or disabled configuration */ int bnx2x_rss(struct bnx2x *bp, struct bnx2x_rss_config_obj *rss_obj, bool config_hash, bool enable); /** * bnx2x__init_func_obj - init function object * * @bp: driver handle * * Initializes the Function Object with the appropriate * parameters which include a function slow path driver * interface. */ void bnx2x__init_func_obj(struct bnx2x *bp); /** * bnx2x_setup_queue - setup eth queue. * * @bp: driver handle * @fp: pointer to the fastpath structure * @leading: boolean * */ int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp, bool leading); /** * bnx2x_setup_leading - bring up a leading eth queue. * * @bp: driver handle */ int bnx2x_setup_leading(struct bnx2x *bp); /** * bnx2x_fw_command - send the MCP a request * * @bp: driver handle * @command: request * @param: request's parameter * * block until there is a reply */ u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param); /** * bnx2x_initial_phy_init - initialize link parameters structure variables. * * @bp: driver handle * @load_mode: current mode */ int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode); /** * bnx2x_link_set - configure hw according to link parameters structure. * * @bp: driver handle */ void bnx2x_link_set(struct bnx2x *bp); /** * bnx2x_force_link_reset - Forces link reset, and put the PHY * in reset as well. * * @bp: driver handle */ void bnx2x_force_link_reset(struct bnx2x *bp); /** * bnx2x_link_test - query link status. * * @bp: driver handle * @is_serdes: bool * * Returns 0 if link is UP. */ u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes); /** * bnx2x_drv_pulse - write driver pulse to shmem * * @bp: driver handle * * writes the value in bp->fw_drv_pulse_wr_seq to drv_pulse mbox * in the shmem. */ void bnx2x_drv_pulse(struct bnx2x *bp); /** * bnx2x_igu_ack_sb - update IGU with current SB value * * @bp: driver handle * @igu_sb_id: SB id * @segment: SB segment * @index: SB index * @op: SB operation * @update: is HW update required */ void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment, u16 index, u8 op, u8 update); /* Disable transactions from chip to host */ void bnx2x_pf_disable(struct bnx2x *bp); int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val); /** * bnx2x__link_status_update - handles link status change. * * @bp: driver handle */ void bnx2x__link_status_update(struct bnx2x *bp); /** * bnx2x_link_report - report link status to upper layer. * * @bp: driver handle */ void bnx2x_link_report(struct bnx2x *bp); /* None-atomic version of bnx2x_link_report() */ void __bnx2x_link_report(struct bnx2x *bp); /** * bnx2x_get_mf_speed - calculate MF speed. * * @bp: driver handle * * Takes into account current linespeed and MF configuration. */ u16 bnx2x_get_mf_speed(struct bnx2x *bp); /** * bnx2x_msix_sp_int - MSI-X slowpath interrupt handler * * @irq: irq number * @dev_instance: private instance */ irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance); /** * bnx2x_interrupt - non MSI-X interrupt handler * * @irq: irq number * @dev_instance: private instance */ irqreturn_t bnx2x_interrupt(int irq, void *dev_instance); /** * bnx2x_cnic_notify - send command to cnic driver * * @bp: driver handle * @cmd: command */ int bnx2x_cnic_notify(struct bnx2x *bp, int cmd); /** * bnx2x_setup_cnic_irq_info - provides cnic with IRQ information * * @bp: driver handle */ void bnx2x_setup_cnic_irq_info(struct bnx2x *bp); /** * bnx2x_setup_cnic_info - provides cnic with updated info * * @bp: driver handle */ void bnx2x_setup_cnic_info(struct bnx2x *bp); /** * bnx2x_int_enable - enable HW interrupts. * * @bp: driver handle */ void bnx2x_int_enable(struct bnx2x *bp); /** * bnx2x_int_disable_sync - disable interrupts. * * @bp: driver handle * @disable_hw: true, disable HW interrupts. * * This function ensures that there are no * ISRs or SP DPCs (sp_task) are running after it returns. */ void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw); /** * bnx2x_nic_init_cnic - init driver internals for cnic. * * @bp: driver handle * @load_code: COMMON, PORT or FUNCTION * * Initializes: * - rings * - status blocks * - etc. */ void bnx2x_nic_init_cnic(struct bnx2x *bp); /** * bnx2x_preirq_nic_init - init driver internals. * * @bp: driver handle * * Initializes: * - fastpath object * - fastpath rings * etc. */ void bnx2x_pre_irq_nic_init(struct bnx2x *bp); /** * bnx2x_postirq_nic_init - init driver internals. * * @bp: driver handle * @load_code: COMMON, PORT or FUNCTION * * Initializes: * - status blocks * - slowpath rings * - etc. */ void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code); /** * bnx2x_alloc_mem_cnic - allocate driver's memory for cnic. * * @bp: driver handle */ int bnx2x_alloc_mem_cnic(struct bnx2x *bp); /** * bnx2x_alloc_mem - allocate driver's memory. * * @bp: driver handle */ int bnx2x_alloc_mem(struct bnx2x *bp); /** * bnx2x_free_mem_cnic - release driver's memory for cnic. * * @bp: driver handle */ void bnx2x_free_mem_cnic(struct bnx2x *bp); /** * bnx2x_free_mem - release driver's memory. * * @bp: driver handle */ void bnx2x_free_mem(struct bnx2x *bp); /** * bnx2x_set_num_queues - set number of queues according to mode. * * @bp: driver handle */ void bnx2x_set_num_queues(struct bnx2x *bp); /** * bnx2x_chip_cleanup - cleanup chip internals. * * @bp: driver handle * @unload_mode: COMMON, PORT, FUNCTION * @keep_link: true iff link should be kept up. * * - Cleanup MAC configuration. * - Closes clients. * - etc. */ void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link); /** * bnx2x_acquire_hw_lock - acquire HW lock. * * @bp: driver handle * @resource: resource bit which was locked */ int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource); /** * bnx2x_release_hw_lock - release HW lock. * * @bp: driver handle * @resource: resource bit which was locked */ int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource); /** * bnx2x_release_leader_lock - release recovery leader lock * * @bp: driver handle */ int bnx2x_release_leader_lock(struct bnx2x *bp); /** * bnx2x_set_eth_mac - configure eth MAC address in the HW * * @bp: driver handle * @set: set or clear * * Configures according to the value in netdev->dev_addr. */ int bnx2x_set_eth_mac(struct bnx2x *bp, bool set); /** * bnx2x_set_rx_mode - set MAC filtering configurations. * * @dev: netdevice * * called with netif_tx_lock from dev_mcast.c * If bp->state is OPEN, should be called with * netif_addr_lock_bh() */ void bnx2x_set_rx_mode_inner(struct bnx2x *bp); /* Parity errors related */ void bnx2x_set_pf_load(struct bnx2x *bp); bool bnx2x_clear_pf_load(struct bnx2x *bp); bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print); bool bnx2x_reset_is_done(struct bnx2x *bp, int engine); void bnx2x_set_reset_in_progress(struct bnx2x *bp); void bnx2x_set_reset_global(struct bnx2x *bp); void bnx2x_disable_close_the_gate(struct bnx2x *bp); int bnx2x_init_hw_func_cnic(struct bnx2x *bp); void bnx2x_clear_vlan_info(struct bnx2x *bp); /** * bnx2x_sp_event - handle ramrods completion. * * @fp: fastpath handle for the event * @rr_cqe: eth_rx_cqe */ void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe); /** * bnx2x_ilt_set_info - prepare ILT configurations. * * @bp: driver handle */ void bnx2x_ilt_set_info(struct bnx2x *bp); /** * bnx2x_ilt_set_cnic_info - prepare ILT configurations for SRC * and TM. * * @bp: driver handle */ void bnx2x_ilt_set_info_cnic(struct bnx2x *bp); /** * bnx2x_dcbx_init - initialize dcbx protocol. * * @bp: driver handle */ void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem); /** * bnx2x_set_power_state - set power state to the requested value. * * @bp: driver handle * @state: required state D0 or D3hot * * Currently only D0 and D3hot are supported. */ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state); /** * bnx2x_update_max_mf_config - update MAX part of MF configuration in HW. * * @bp: driver handle * @value: new value */ void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value); /* Error handling */ void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl); /* dev_close main block */ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link); /* dev_open main block */ int bnx2x_nic_load(struct bnx2x *bp, int load_mode); /* hard_xmit callback */ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev); /* setup_tc callback */ int bnx2x_setup_tc(struct net_device *dev, u8 num_tc); int __bnx2x_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data); int bnx2x_get_vf_config(struct net_device *dev, int vf, struct ifla_vf_info *ivi); int bnx2x_set_vf_mac(struct net_device *dev, int queue, u8 *mac); int bnx2x_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos, __be16 vlan_proto); int bnx2x_set_vf_spoofchk(struct net_device *dev, int idx, bool val); /* select_queue callback */ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb, struct net_device *sb_dev); static inline void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp, u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod) { … } /* reload helper */ int bnx2x_reload_if_running(struct net_device *dev); int bnx2x_change_mac_addr(struct net_device *dev, void *p); /* NAPI poll Tx part */ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata); extern const struct dev_pm_ops bnx2x_pm_ops; /* Release IRQ vectors */ void bnx2x_free_irq(struct bnx2x *bp); void bnx2x_free_fp_mem(struct bnx2x *bp); void bnx2x_init_rx_rings(struct bnx2x *bp); void bnx2x_init_rx_rings_cnic(struct bnx2x *bp); void bnx2x_free_skbs(struct bnx2x *bp); void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw); void bnx2x_netif_start(struct bnx2x *bp); int bnx2x_load_cnic(struct bnx2x *bp); /** * bnx2x_enable_msix - set msix configuration. * * @bp: driver handle * * fills msix_table, requests vectors, updates num_queues * according to number of available vectors. */ int bnx2x_enable_msix(struct bnx2x *bp); /** * bnx2x_enable_msi - request msi mode from OS, updated internals accordingly * * @bp: driver handle */ int bnx2x_enable_msi(struct bnx2x *bp); /** * bnx2x_alloc_mem_bp - allocate memories outsize main driver structure * * @bp: driver handle */ int bnx2x_alloc_mem_bp(struct bnx2x *bp); /** * bnx2x_free_mem_bp - release memories outsize main driver structure * * @bp: driver handle */ void bnx2x_free_mem_bp(struct bnx2x *bp); /** * bnx2x_change_mtu - change mtu netdev callback * * @dev: net device * @new_mtu: requested mtu * */ int bnx2x_change_mtu(struct net_device *dev, int new_mtu); #ifdef NETDEV_FCOE_WWNN /** * bnx2x_fcoe_get_wwn - return the requested WWN value for this port * * @dev: net_device * @wwn: output buffer * @type: WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port) * */ int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type); #endif netdev_features_t bnx2x_fix_features(struct net_device *dev, netdev_features_t features); int bnx2x_set_features(struct net_device *dev, netdev_features_t features); /** * bnx2x_tx_timeout - tx timeout netdev callback * * @dev: net device */ void bnx2x_tx_timeout(struct net_device *dev, unsigned int txqueue); /** bnx2x_get_c2s_mapping - read inner-to-outer vlan configuration * c2s_map should have BNX2X_MAX_PRIORITY entries. * @bp: driver handle * @c2s_map: should have BNX2X_MAX_PRIORITY entries for mapping * @c2s_default: entry for non-tagged configuration */ void bnx2x_get_c2s_mapping(struct bnx2x *bp, u8 *c2s_map, u8 *c2s_default); /*********************** Inlines **********************************/ /*********************** Fast path ********************************/ static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) { … } static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id, u8 segment, u16 index, u8 op, u8 update, u32 igu_addr) { … } static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id, u8 storm, u16 index, u8 op, u8 update) { … } static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm, u16 index, u8 op, u8 update) { … } static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp) { … } static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp) { … } static inline u16 bnx2x_ack_int(struct bnx2x *bp) { … } static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata) { … } static inline u16 bnx2x_tx_avail(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata) { … } static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata) { … } static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp) { … } #define BNX2X_IS_CQE_COMPLETED(cqe_fp) … #define BNX2X_SEED_CQE(cqe_fp) … static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp) { … } /** * bnx2x_tx_disable - disables tx from stack point of view * * @bp: driver handle */ static inline void bnx2x_tx_disable(struct bnx2x *bp) { … } static inline void bnx2x_free_rx_sge(struct bnx2x *bp, struct bnx2x_fastpath *fp, u16 index) { … } static inline void bnx2x_del_all_napi_cnic(struct bnx2x *bp) { … } static inline void bnx2x_del_all_napi(struct bnx2x *bp) { … } int bnx2x_set_int_mode(struct bnx2x *bp); static inline void bnx2x_disable_msi(struct bnx2x *bp) { … } static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp) { … } static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp) { … } /* note that we are not allocating a new buffer, * we are just moving one from cons to prod * we are not creating a new mapping, * so there is no need to check for dma_mapping_error(). */ static inline void bnx2x_reuse_rx_data(struct bnx2x_fastpath *fp, u16 cons, u16 prod) { … } /************************* Init ******************************************/ /* returns func by VN for current port */ static inline int func_by_vn(struct bnx2x *bp, int vn) { … } static inline int bnx2x_config_rss_eth(struct bnx2x *bp, bool config_hash) { … } /** * bnx2x_func_start - init function * * @bp: driver handle * * Must be called before sending CLIENT_SETUP for the first client. */ static inline int bnx2x_func_start(struct bnx2x *bp) { … } /** * bnx2x_set_fw_mac_addr - fill in a MAC address in FW format * * @fw_hi: pointer to upper part * @fw_mid: pointer to middle part * @fw_lo: pointer to lower part * @mac: pointer to MAC address */ static inline void bnx2x_set_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid, __le16 *fw_lo, u8 *mac) { … } static inline void bnx2x_free_rx_mem_pool(struct bnx2x *bp, struct bnx2x_alloc_pool *pool) { … } static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp, struct bnx2x_fastpath *fp, int last) { … } static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp) { … } /* Statistics ID are global per chip/path, while Client IDs for E1x are per * port. */ static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp) { … } static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp, bnx2x_obj_type obj_type) { … } /** * bnx2x_get_path_func_num - get number of active functions * * @bp: driver handle * * Calculates the number of active (not hidden) functions on the * current path. */ static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp) { … } static inline void bnx2x_init_bp_objs(struct bnx2x *bp) { … } static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp) { … } static inline void bnx2x_init_txdata(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, u32 cid, int txq_index, __le16 *tx_cons_sb, struct bnx2x_fastpath *fp) { … } static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx) { … } static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp) { … } static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp) { … } static inline int bnx2x_clean_tx_queue(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata) { … } int bnx2x_get_link_cfg_idx(struct bnx2x *bp); static inline void __storm_memset_struct(struct bnx2x *bp, u32 addr, size_t size, u32 *data) { … } /** * bnx2x_wait_sp_comp - wait for the outstanding SP commands. * * @bp: driver handle * @mask: bits that need to be cleared */ static inline bool bnx2x_wait_sp_comp(struct bnx2x *bp, unsigned long mask) { … } /** * bnx2x_set_ctx_validation - set CDU context validation values * * @bp: driver handle * @cxt: context of the connection on the host memory * @cid: SW CID of the connection to be configured */ void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt, u32 cid); void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id, u8 sb_index, u8 disable, u16 usec); void bnx2x_acquire_phy_lock(struct bnx2x *bp); void bnx2x_release_phy_lock(struct bnx2x *bp); /** * bnx2x_extract_max_cfg - extract MAX BW part from MF configuration. * * @bp: driver handle * @mf_cfg: MF configuration * */ static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg) { … } /* checks if HW supports GRO for given MTU */ static inline bool bnx2x_mtu_allows_gro(int mtu) { … } /** * bnx2x_get_iscsi_info - update iSCSI params according to licensing info. * * @bp: driver handle * */ void bnx2x_get_iscsi_info(struct bnx2x *bp); /** * bnx2x_link_sync_notify - send notification to other functions. * * @bp: driver handle * */ static inline void bnx2x_link_sync_notify(struct bnx2x *bp) { … } /** * bnx2x_update_drv_flags - update flags in shmem * * @bp: driver handle * @flags: flags to update * @set: set or clear * */ static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set) { … } /** * bnx2x_fill_fw_str - Fill buffer with FW version string * * @bp: driver handle * @buf: character buffer to fill with the fw name * @buf_len: length of the above buffer * */ void bnx2x_fill_fw_str(struct bnx2x *bp, char *buf, size_t buf_len); int bnx2x_drain_tx_queues(struct bnx2x *bp); void bnx2x_squeeze_objects(struct bnx2x *bp); void bnx2x_schedule_sp_rtnl(struct bnx2x*, enum sp_rtnl_flag, u32 verbose); /** * bnx2x_set_os_driver_state - write driver state for management FW usage * * @bp: driver handle * @state: OS_DRIVER_STATE_* value reflecting current driver state */ void bnx2x_set_os_driver_state(struct bnx2x *bp, u32 state); /** * bnx2x_nvram_read - reads data from nvram [might sleep] * * @bp: driver handle * @offset: byte offset in nvram * @ret_buf: pointer to buffer where data is to be stored * @buf_size: Length of 'ret_buf' in bytes */ int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, int buf_size); #endif /* BNX2X_CMN_H */
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