12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403 |
- /* 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 <ariel.elior@qlogic.com>
- * 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) \
- do { \
- if (x) { \
- dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
- x = NULL; \
- y = 0; \
- } \
- } while (0)
- #define BNX2X_FREE(x) \
- do { \
- if (x) { \
- kfree((void *)x); \
- x = NULL; \
- } \
- } while (0)
- #define BNX2X_PCI_ALLOC(y, size) \
- ({ \
- void *x = dma_zalloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
- if (x) \
- DP(NETIF_MSG_HW, \
- "BNX2X_PCI_ALLOC: Physical %Lx Virtual %p\n", \
- (unsigned long long)(*y), x); \
- x; \
- })
- #define BNX2X_PCI_FALLOC(y, size) \
- ({ \
- void *x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
- if (x) { \
- memset(x, 0xff, size); \
- DP(NETIF_MSG_HW, \
- "BNX2X_PCI_FALLOC: Physical %Lx Virtual %p\n", \
- (unsigned long long)(*y), x); \
- } \
- x; \
- })
- /*********************** 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);
- /**
- * 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_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);
- /* select_queue callback */
- u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
- void *accel_priv, select_queue_fallback_t fallback);
- 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)
- {
- struct ustorm_eth_rx_producers rx_prods = {0};
- u32 i;
- /* Update producers */
- rx_prods.bd_prod = bd_prod;
- rx_prods.cqe_prod = rx_comp_prod;
- rx_prods.sge_prod = rx_sge_prod;
- /* Make sure that the BD and SGE data is updated before updating the
- * producers since FW might read the BD/SGE right after the producer
- * is updated.
- * This is only applicable for weak-ordered memory model archs such
- * as IA-64. The following barrier is also mandatory since FW will
- * assumes BDs must have buffers.
- */
- wmb();
- for (i = 0; i < sizeof(rx_prods)/4; i++)
- REG_WR(bp, fp->ustorm_rx_prods_offset + i*4,
- ((u32 *)&rx_prods)[i]);
- mmiowb(); /* keep prod updates ordered */
- DP(NETIF_MSG_RX_STATUS,
- "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n",
- fp->index, bd_prod, rx_comp_prod, 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);
- /* suspend/resume callbacks */
- int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state);
- int bnx2x_resume(struct pci_dev *pdev);
- /* 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_low_latency_recv - LL callback
- *
- * @napi: napi structure
- */
- int bnx2x_low_latency_recv(struct napi_struct *napi);
- /**
- * 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);
- /** 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)
- {
- barrier(); /* status block is written to by the chip */
- fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID];
- }
- 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)
- {
- struct igu_regular cmd_data = {0};
- cmd_data.sb_id_and_flags =
- ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
- (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
- (update << IGU_REGULAR_BUPDATE_SHIFT) |
- (op << IGU_REGULAR_ENABLE_INT_SHIFT));
- DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
- cmd_data.sb_id_and_flags, igu_addr);
- REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags);
- /* Make sure that ACK is written */
- mmiowb();
- barrier();
- }
- static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id,
- u8 storm, u16 index, u8 op, u8 update)
- {
- u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
- COMMAND_REG_INT_ACK);
- struct igu_ack_register igu_ack;
- igu_ack.status_block_index = index;
- igu_ack.sb_id_and_flags =
- ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
- (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
- (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
- (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
- REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
- /* Make sure that ACK is written */
- mmiowb();
- barrier();
- }
- static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm,
- u16 index, u8 op, u8 update)
- {
- if (bp->common.int_block == INT_BLOCK_HC)
- bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update);
- else {
- u8 segment;
- if (CHIP_INT_MODE_IS_BC(bp))
- segment = storm;
- else if (igu_sb_id != bp->igu_dsb_id)
- segment = IGU_SEG_ACCESS_DEF;
- else if (storm == ATTENTION_ID)
- segment = IGU_SEG_ACCESS_ATTN;
- else
- segment = IGU_SEG_ACCESS_DEF;
- bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update);
- }
- }
- static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp)
- {
- u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
- COMMAND_REG_SIMD_MASK);
- u32 result = REG_RD(bp, hc_addr);
- barrier();
- return result;
- }
- static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp)
- {
- u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8);
- u32 result = REG_RD(bp, igu_addr);
- DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n",
- result, igu_addr);
- barrier();
- return result;
- }
- static inline u16 bnx2x_ack_int(struct bnx2x *bp)
- {
- barrier();
- if (bp->common.int_block == INT_BLOCK_HC)
- return bnx2x_hc_ack_int(bp);
- else
- return bnx2x_igu_ack_int(bp);
- }
- static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata)
- {
- /* Tell compiler that consumer and producer can change */
- barrier();
- return txdata->tx_pkt_prod != txdata->tx_pkt_cons;
- }
- static inline u16 bnx2x_tx_avail(struct bnx2x *bp,
- struct bnx2x_fp_txdata *txdata)
- {
- s16 used;
- u16 prod;
- u16 cons;
- prod = txdata->tx_bd_prod;
- cons = txdata->tx_bd_cons;
- used = SUB_S16(prod, cons);
- #ifdef BNX2X_STOP_ON_ERROR
- WARN_ON(used < 0);
- WARN_ON(used > txdata->tx_ring_size);
- WARN_ON((txdata->tx_ring_size - used) > MAX_TX_AVAIL);
- #endif
- return (s16)(txdata->tx_ring_size) - used;
- }
- static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata)
- {
- u16 hw_cons;
- /* Tell compiler that status block fields can change */
- barrier();
- hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
- return hw_cons != txdata->tx_pkt_cons;
- }
- static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
- {
- u8 cos;
- for_each_cos_in_tx_queue(fp, cos)
- if (bnx2x_tx_queue_has_work(fp->txdata_ptr[cos]))
- return true;
- return false;
- }
- #define BNX2X_IS_CQE_COMPLETED(cqe_fp) (cqe_fp->marker == 0x0)
- #define BNX2X_SEED_CQE(cqe_fp) (cqe_fp->marker = 0xFFFFFFFF)
- static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
- {
- u16 cons;
- union eth_rx_cqe *cqe;
- struct eth_fast_path_rx_cqe *cqe_fp;
- cons = RCQ_BD(fp->rx_comp_cons);
- cqe = &fp->rx_comp_ring[cons];
- cqe_fp = &cqe->fast_path_cqe;
- return BNX2X_IS_CQE_COMPLETED(cqe_fp);
- }
- /**
- * bnx2x_tx_disable - disables tx from stack point of view
- *
- * @bp: driver handle
- */
- static inline void bnx2x_tx_disable(struct bnx2x *bp)
- {
- netif_tx_disable(bp->dev);
- netif_carrier_off(bp->dev);
- }
- static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, u16 index)
- {
- struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
- struct page *page = sw_buf->page;
- struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
- /* Skip "next page" elements */
- if (!page)
- return;
- /* Since many fragments can share the same page, make sure to
- * only unmap and free the page once.
- */
- dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping),
- SGE_PAGE_SIZE, DMA_FROM_DEVICE);
- put_page(page);
- sw_buf->page = NULL;
- sge->addr_hi = 0;
- sge->addr_lo = 0;
- }
- static inline void bnx2x_del_all_napi_cnic(struct bnx2x *bp)
- {
- int i;
- for_each_rx_queue_cnic(bp, i) {
- napi_hash_del(&bnx2x_fp(bp, i, napi));
- netif_napi_del(&bnx2x_fp(bp, i, napi));
- }
- }
- static inline void bnx2x_del_all_napi(struct bnx2x *bp)
- {
- int i;
- for_each_eth_queue(bp, i) {
- napi_hash_del(&bnx2x_fp(bp, i, napi));
- netif_napi_del(&bnx2x_fp(bp, i, napi));
- }
- }
- int bnx2x_set_int_mode(struct bnx2x *bp);
- static inline void bnx2x_disable_msi(struct bnx2x *bp)
- {
- if (bp->flags & USING_MSIX_FLAG) {
- pci_disable_msix(bp->pdev);
- bp->flags &= ~(USING_MSIX_FLAG | USING_SINGLE_MSIX_FLAG);
- } else if (bp->flags & USING_MSI_FLAG) {
- pci_disable_msi(bp->pdev);
- bp->flags &= ~USING_MSI_FLAG;
- }
- }
- static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
- {
- int i, j;
- for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
- int idx = RX_SGE_CNT * i - 1;
- for (j = 0; j < 2; j++) {
- BIT_VEC64_CLEAR_BIT(fp->sge_mask, idx);
- idx--;
- }
- }
- }
- static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
- {
- /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
- memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask));
- /* Clear the two last indices in the page to 1:
- these are the indices that correspond to the "next" element,
- hence will never be indicated and should be removed from
- the calculations. */
- bnx2x_clear_sge_mask_next_elems(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)
- {
- struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
- struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
- struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
- struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
- dma_unmap_addr_set(prod_rx_buf, mapping,
- dma_unmap_addr(cons_rx_buf, mapping));
- prod_rx_buf->data = cons_rx_buf->data;
- *prod_bd = *cons_bd;
- }
- /************************* Init ******************************************/
- /* returns func by VN for current port */
- static inline int func_by_vn(struct bnx2x *bp, int vn)
- {
- return 2 * vn + BP_PORT(bp);
- }
- static inline int bnx2x_config_rss_eth(struct bnx2x *bp, bool config_hash)
- {
- return bnx2x_rss(bp, &bp->rss_conf_obj, config_hash, true);
- }
- /**
- * 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)
- {
- struct bnx2x_func_state_params func_params = {NULL};
- struct bnx2x_func_start_params *start_params =
- &func_params.params.start;
- /* Prepare parameters for function state transitions */
- __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
- func_params.f_obj = &bp->func_obj;
- func_params.cmd = BNX2X_F_CMD_START;
- /* Function parameters */
- start_params->mf_mode = bp->mf_mode;
- start_params->sd_vlan_tag = bp->mf_ov;
- /* Configure Ethertype for BD mode */
- if (IS_MF_BD(bp)) {
- DP(NETIF_MSG_IFUP, "Configuring ethertype 0x88a8 for BD\n");
- start_params->sd_vlan_eth_type = ETH_P_8021AD;
- REG_WR(bp, PRS_REG_VLAN_TYPE_0, ETH_P_8021AD);
- REG_WR(bp, PBF_REG_VLAN_TYPE_0, ETH_P_8021AD);
- REG_WR(bp, NIG_REG_LLH_E1HOV_TYPE_1, ETH_P_8021AD);
- bnx2x_get_c2s_mapping(bp, start_params->c2s_pri,
- &start_params->c2s_pri_default);
- start_params->c2s_pri_valid = 1;
- DP(NETIF_MSG_IFUP,
- "Inner-to-Outer priority: %02x %02x %02x %02x %02x %02x %02x %02x [Default %02x]\n",
- start_params->c2s_pri[0], start_params->c2s_pri[1],
- start_params->c2s_pri[2], start_params->c2s_pri[3],
- start_params->c2s_pri[4], start_params->c2s_pri[5],
- start_params->c2s_pri[6], start_params->c2s_pri[7],
- start_params->c2s_pri_default);
- }
- if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
- start_params->network_cos_mode = STATIC_COS;
- else /* CHIP_IS_E1X */
- start_params->network_cos_mode = FW_WRR;
- start_params->vxlan_dst_port = bp->vxlan_dst_port;
- start_params->inner_rss = 1;
- if (IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
- start_params->class_fail_ethtype = ETH_P_FIP;
- start_params->class_fail = 1;
- start_params->no_added_tags = 1;
- }
- return bnx2x_func_state_change(bp, &func_params);
- }
- /**
- * 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)
- {
- ((u8 *)fw_hi)[0] = mac[1];
- ((u8 *)fw_hi)[1] = mac[0];
- ((u8 *)fw_mid)[0] = mac[3];
- ((u8 *)fw_mid)[1] = mac[2];
- ((u8 *)fw_lo)[0] = mac[5];
- ((u8 *)fw_lo)[1] = mac[4];
- }
- static inline void bnx2x_free_rx_mem_pool(struct bnx2x *bp,
- struct bnx2x_alloc_pool *pool)
- {
- if (!pool->page)
- return;
- put_page(pool->page);
- pool->page = NULL;
- }
- static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, int last)
- {
- int i;
- if (fp->mode == TPA_MODE_DISABLED)
- return;
- for (i = 0; i < last; i++)
- bnx2x_free_rx_sge(bp, fp, i);
- bnx2x_free_rx_mem_pool(bp, &fp->page_pool);
- }
- static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp)
- {
- int i;
- for (i = 1; i <= NUM_RX_RINGS; i++) {
- struct eth_rx_bd *rx_bd;
- rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
- rx_bd->addr_hi =
- cpu_to_le32(U64_HI(fp->rx_desc_mapping +
- BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
- rx_bd->addr_lo =
- cpu_to_le32(U64_LO(fp->rx_desc_mapping +
- BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
- }
- }
- /* 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)
- {
- struct bnx2x *bp = fp->bp;
- if (!CHIP_IS_E1x(bp)) {
- /* there are special statistics counters for FCoE 136..140 */
- if (IS_FCOE_FP(fp))
- return bp->cnic_base_cl_id + (bp->pf_num >> 1);
- return fp->cl_id;
- }
- return fp->cl_id + BP_PORT(bp) * FP_SB_MAX_E1x;
- }
- static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp,
- bnx2x_obj_type obj_type)
- {
- struct bnx2x *bp = fp->bp;
- /* Configure classification DBs */
- bnx2x_init_mac_obj(bp, &bnx2x_sp_obj(bp, fp).mac_obj, fp->cl_id,
- fp->cid, BP_FUNC(bp), bnx2x_sp(bp, mac_rdata),
- bnx2x_sp_mapping(bp, mac_rdata),
- BNX2X_FILTER_MAC_PENDING,
- &bp->sp_state, obj_type,
- &bp->macs_pool);
- if (!CHIP_IS_E1x(bp))
- bnx2x_init_vlan_obj(bp, &bnx2x_sp_obj(bp, fp).vlan_obj,
- fp->cl_id, fp->cid, BP_FUNC(bp),
- bnx2x_sp(bp, vlan_rdata),
- bnx2x_sp_mapping(bp, vlan_rdata),
- BNX2X_FILTER_VLAN_PENDING,
- &bp->sp_state, obj_type,
- &bp->vlans_pool);
- }
- /**
- * 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)
- {
- u8 func_num = 0, i;
- /* 57710 has only one function per-port */
- if (CHIP_IS_E1(bp))
- return 1;
- /* Calculate a number of functions enabled on the current
- * PATH/PORT.
- */
- if (CHIP_REV_IS_SLOW(bp)) {
- if (IS_MF(bp))
- func_num = 4;
- else
- func_num = 2;
- } else {
- for (i = 0; i < E1H_FUNC_MAX / 2; i++) {
- u32 func_config =
- MF_CFG_RD(bp,
- func_mf_config[BP_PORT(bp) + 2 * i].
- config);
- func_num +=
- ((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1);
- }
- }
- WARN_ON(!func_num);
- return func_num;
- }
- static inline void bnx2x_init_bp_objs(struct bnx2x *bp)
- {
- /* RX_MODE controlling object */
- bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj);
- /* multicast configuration controlling object */
- bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid,
- BP_FUNC(bp), BP_FUNC(bp),
- bnx2x_sp(bp, mcast_rdata),
- bnx2x_sp_mapping(bp, mcast_rdata),
- BNX2X_FILTER_MCAST_PENDING, &bp->sp_state,
- BNX2X_OBJ_TYPE_RX);
- /* Setup CAM credit pools */
- bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp),
- bnx2x_get_path_func_num(bp));
- bnx2x_init_vlan_credit_pool(bp, &bp->vlans_pool, BP_FUNC(bp),
- bnx2x_get_path_func_num(bp));
- /* RSS configuration object */
- bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id,
- bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp),
- bnx2x_sp(bp, rss_rdata),
- bnx2x_sp_mapping(bp, rss_rdata),
- BNX2X_FILTER_RSS_CONF_PENDING, &bp->sp_state,
- BNX2X_OBJ_TYPE_RX);
- bp->vlan_credit = PF_VLAN_CREDIT_E2(bp, bnx2x_get_path_func_num(bp));
- }
- static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp)
- {
- if (CHIP_IS_E1x(fp->bp))
- return fp->cl_id + BP_PORT(fp->bp) * ETH_MAX_RX_CLIENTS_E1H;
- else
- return fp->cl_id;
- }
- 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)
- {
- txdata->cid = cid;
- txdata->txq_index = txq_index;
- txdata->tx_cons_sb = tx_cons_sb;
- txdata->parent_fp = fp;
- txdata->tx_ring_size = IS_FCOE_FP(fp) ? MAX_TX_AVAIL : bp->tx_ring_size;
- DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n",
- txdata->cid, txdata->txq_index);
- }
- static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx)
- {
- return bp->cnic_base_cl_id + cl_idx +
- (bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX;
- }
- static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp)
- {
- /* the 'first' id is allocated for the cnic */
- return bp->base_fw_ndsb;
- }
- static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp)
- {
- return bp->igu_base_sb;
- }
- static inline int bnx2x_clean_tx_queue(struct bnx2x *bp,
- struct bnx2x_fp_txdata *txdata)
- {
- int cnt = 1000;
- while (bnx2x_has_tx_work_unload(txdata)) {
- if (!cnt) {
- BNX2X_ERR("timeout waiting for queue[%d]: txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n",
- txdata->txq_index, txdata->tx_pkt_prod,
- txdata->tx_pkt_cons);
- #ifdef BNX2X_STOP_ON_ERROR
- bnx2x_panic();
- return -EBUSY;
- #else
- break;
- #endif
- }
- cnt--;
- usleep_range(1000, 2000);
- }
- return 0;
- }
- 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)
- {
- int i;
- for (i = 0; i < size/4; i++)
- REG_WR(bp, addr + (i * 4), data[i]);
- }
- /**
- * 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)
- {
- int tout = 5000; /* Wait for 5 secs tops */
- while (tout--) {
- smp_mb();
- netif_addr_lock_bh(bp->dev);
- if (!(bp->sp_state & mask)) {
- netif_addr_unlock_bh(bp->dev);
- return true;
- }
- netif_addr_unlock_bh(bp->dev);
- usleep_range(1000, 2000);
- }
- smp_mb();
- netif_addr_lock_bh(bp->dev);
- if (bp->sp_state & mask) {
- BNX2X_ERR("Filtering completion timed out. sp_state 0x%lx, mask 0x%lx\n",
- bp->sp_state, mask);
- netif_addr_unlock_bh(bp->dev);
- return false;
- }
- netif_addr_unlock_bh(bp->dev);
- return true;
- }
- /**
- * 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)
- {
- u16 max_cfg = (mf_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
- FUNC_MF_CFG_MAX_BW_SHIFT;
- if (!max_cfg) {
- DP(NETIF_MSG_IFUP | BNX2X_MSG_ETHTOOL,
- "Max BW configured to 0 - using 100 instead\n");
- max_cfg = 100;
- }
- return max_cfg;
- }
- /* checks if HW supports GRO for given MTU */
- static inline bool bnx2x_mtu_allows_gro(int mtu)
- {
- /* gro frags per page */
- int fpp = SGE_PAGE_SIZE / (mtu - ETH_MAX_TPA_HEADER_SIZE);
- /*
- * 1. Number of frags should not grow above MAX_SKB_FRAGS
- * 2. Frag must fit the page
- */
- return mtu <= SGE_PAGE_SIZE && (U_ETH_SGL_SIZE * fpp) <= MAX_SKB_FRAGS;
- }
- /**
- * 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)
- {
- int func;
- int vn;
- /* Set the attention towards other drivers on the same port */
- for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
- if (vn == BP_VN(bp))
- continue;
- func = func_by_vn(bp, vn);
- REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
- (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
- }
- }
- /**
- * 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)
- {
- if (SHMEM2_HAS(bp, drv_flags)) {
- u32 drv_flags;
- bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
- drv_flags = SHMEM2_RD(bp, drv_flags);
- if (set)
- SET_FLAGS(drv_flags, flags);
- else
- RESET_FLAGS(drv_flags, flags);
- SHMEM2_WR(bp, drv_flags, drv_flags);
- DP(NETIF_MSG_IFUP, "drv_flags 0x%08x\n", drv_flags);
- bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
- }
- }
- /**
- * 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 */
|