1adfc5217SJeff Kirsher /* bnx2x_cmn.h: Broadcom Everest network driver. 2adfc5217SJeff Kirsher * 385b26ea1SAriel Elior * Copyright (c) 2007-2012 Broadcom Corporation 4adfc5217SJeff Kirsher * 5adfc5217SJeff Kirsher * This program is free software; you can redistribute it and/or modify 6adfc5217SJeff Kirsher * it under the terms of the GNU General Public License as published by 7adfc5217SJeff Kirsher * the Free Software Foundation. 8adfc5217SJeff Kirsher * 9adfc5217SJeff Kirsher * Maintained by: Eilon Greenstein <eilong@broadcom.com> 10adfc5217SJeff Kirsher * Written by: Eliezer Tamir 11adfc5217SJeff Kirsher * Based on code from Michael Chan's bnx2 driver 12adfc5217SJeff Kirsher * UDP CSUM errata workaround by Arik Gendelman 13adfc5217SJeff Kirsher * Slowpath and fastpath rework by Vladislav Zolotarov 14adfc5217SJeff Kirsher * Statistics and Link management by Yitchak Gertner 15adfc5217SJeff Kirsher * 16adfc5217SJeff Kirsher */ 17adfc5217SJeff Kirsher #ifndef BNX2X_CMN_H 18adfc5217SJeff Kirsher #define BNX2X_CMN_H 19adfc5217SJeff Kirsher 20adfc5217SJeff Kirsher #include <linux/types.h> 21adfc5217SJeff Kirsher #include <linux/pci.h> 22adfc5217SJeff Kirsher #include <linux/netdevice.h> 23614c76dfSDmitry Kravkov #include <linux/etherdevice.h> 24adfc5217SJeff Kirsher 25adfc5217SJeff Kirsher 26adfc5217SJeff Kirsher #include "bnx2x.h" 27adfc5217SJeff Kirsher 28adfc5217SJeff Kirsher /* This is used as a replacement for an MCP if it's not present */ 29adfc5217SJeff Kirsher extern int load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */ 30adfc5217SJeff Kirsher 31adfc5217SJeff Kirsher extern int num_queues; 320e8d2ec5SMerav Sicron extern int int_mode; 33adfc5217SJeff Kirsher 34adfc5217SJeff Kirsher /************************ Macros ********************************/ 35adfc5217SJeff Kirsher #define BNX2X_PCI_FREE(x, y, size) \ 36adfc5217SJeff Kirsher do { \ 37adfc5217SJeff Kirsher if (x) { \ 38adfc5217SJeff Kirsher dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \ 39adfc5217SJeff Kirsher x = NULL; \ 40adfc5217SJeff Kirsher y = 0; \ 41adfc5217SJeff Kirsher } \ 42adfc5217SJeff Kirsher } while (0) 43adfc5217SJeff Kirsher 44adfc5217SJeff Kirsher #define BNX2X_FREE(x) \ 45adfc5217SJeff Kirsher do { \ 46adfc5217SJeff Kirsher if (x) { \ 47adfc5217SJeff Kirsher kfree((void *)x); \ 48adfc5217SJeff Kirsher x = NULL; \ 49adfc5217SJeff Kirsher } \ 50adfc5217SJeff Kirsher } while (0) 51adfc5217SJeff Kirsher 52adfc5217SJeff Kirsher #define BNX2X_PCI_ALLOC(x, y, size) \ 53adfc5217SJeff Kirsher do { \ 54adfc5217SJeff Kirsher x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \ 55adfc5217SJeff Kirsher if (x == NULL) \ 56adfc5217SJeff Kirsher goto alloc_mem_err; \ 57adfc5217SJeff Kirsher memset((void *)x, 0, size); \ 58adfc5217SJeff Kirsher } while (0) 59adfc5217SJeff Kirsher 60adfc5217SJeff Kirsher #define BNX2X_ALLOC(x, size) \ 61adfc5217SJeff Kirsher do { \ 62adfc5217SJeff Kirsher x = kzalloc(size, GFP_KERNEL); \ 63adfc5217SJeff Kirsher if (x == NULL) \ 64adfc5217SJeff Kirsher goto alloc_mem_err; \ 65adfc5217SJeff Kirsher } while (0) 66adfc5217SJeff Kirsher 67adfc5217SJeff Kirsher /*********************** Interfaces **************************** 68adfc5217SJeff Kirsher * Functions that need to be implemented by each driver version 69adfc5217SJeff Kirsher */ 70adfc5217SJeff Kirsher /* Init */ 71adfc5217SJeff Kirsher 72adfc5217SJeff Kirsher /** 73adfc5217SJeff Kirsher * bnx2x_send_unload_req - request unload mode from the MCP. 74adfc5217SJeff Kirsher * 75adfc5217SJeff Kirsher * @bp: driver handle 76adfc5217SJeff Kirsher * @unload_mode: requested function's unload mode 77adfc5217SJeff Kirsher * 78adfc5217SJeff Kirsher * Return unload mode returned by the MCP: COMMON, PORT or FUNC. 79adfc5217SJeff Kirsher */ 80adfc5217SJeff Kirsher u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode); 81adfc5217SJeff Kirsher 82adfc5217SJeff Kirsher /** 83adfc5217SJeff Kirsher * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP. 84adfc5217SJeff Kirsher * 85adfc5217SJeff Kirsher * @bp: driver handle 86adfc5217SJeff Kirsher */ 87adfc5217SJeff Kirsher void bnx2x_send_unload_done(struct bnx2x *bp); 88adfc5217SJeff Kirsher 89adfc5217SJeff Kirsher /** 9096305234SDmitry Kravkov * bnx2x_config_rss_pf - configure RSS parameters in a PF. 91adfc5217SJeff Kirsher * 92adfc5217SJeff Kirsher * @bp: driver handle 9396305234SDmitry Kravkov * @rss_obj RSS object to use 94adfc5217SJeff Kirsher * @ind_table: indirection table to configure 95adfc5217SJeff Kirsher * @config_hash: re-configure RSS hash keys configuration 96adfc5217SJeff Kirsher */ 9796305234SDmitry Kravkov int bnx2x_config_rss_pf(struct bnx2x *bp, struct bnx2x_rss_config_obj *rss_obj, 985d317c6aSMerav Sicron bool config_hash); 99adfc5217SJeff Kirsher 100adfc5217SJeff Kirsher /** 101adfc5217SJeff Kirsher * bnx2x__init_func_obj - init function object 102adfc5217SJeff Kirsher * 103adfc5217SJeff Kirsher * @bp: driver handle 104adfc5217SJeff Kirsher * 105adfc5217SJeff Kirsher * Initializes the Function Object with the appropriate 106adfc5217SJeff Kirsher * parameters which include a function slow path driver 107adfc5217SJeff Kirsher * interface. 108adfc5217SJeff Kirsher */ 109adfc5217SJeff Kirsher void bnx2x__init_func_obj(struct bnx2x *bp); 110adfc5217SJeff Kirsher 111adfc5217SJeff Kirsher /** 112adfc5217SJeff Kirsher * bnx2x_setup_queue - setup eth queue. 113adfc5217SJeff Kirsher * 114adfc5217SJeff Kirsher * @bp: driver handle 115adfc5217SJeff Kirsher * @fp: pointer to the fastpath structure 116adfc5217SJeff Kirsher * @leading: boolean 117adfc5217SJeff Kirsher * 118adfc5217SJeff Kirsher */ 119adfc5217SJeff Kirsher int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp, 120adfc5217SJeff Kirsher bool leading); 121adfc5217SJeff Kirsher 122adfc5217SJeff Kirsher /** 123adfc5217SJeff Kirsher * bnx2x_setup_leading - bring up a leading eth queue. 124adfc5217SJeff Kirsher * 125adfc5217SJeff Kirsher * @bp: driver handle 126adfc5217SJeff Kirsher */ 127adfc5217SJeff Kirsher int bnx2x_setup_leading(struct bnx2x *bp); 128adfc5217SJeff Kirsher 129adfc5217SJeff Kirsher /** 130adfc5217SJeff Kirsher * bnx2x_fw_command - send the MCP a request 131adfc5217SJeff Kirsher * 132adfc5217SJeff Kirsher * @bp: driver handle 133adfc5217SJeff Kirsher * @command: request 134adfc5217SJeff Kirsher * @param: request's parameter 135adfc5217SJeff Kirsher * 136adfc5217SJeff Kirsher * block until there is a reply 137adfc5217SJeff Kirsher */ 138adfc5217SJeff Kirsher u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param); 139adfc5217SJeff Kirsher 140adfc5217SJeff Kirsher /** 141adfc5217SJeff Kirsher * bnx2x_initial_phy_init - initialize link parameters structure variables. 142adfc5217SJeff Kirsher * 143adfc5217SJeff Kirsher * @bp: driver handle 144adfc5217SJeff Kirsher * @load_mode: current mode 145adfc5217SJeff Kirsher */ 146adfc5217SJeff Kirsher u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode); 147adfc5217SJeff Kirsher 148adfc5217SJeff Kirsher /** 149adfc5217SJeff Kirsher * bnx2x_link_set - configure hw according to link parameters structure. 150adfc5217SJeff Kirsher * 151adfc5217SJeff Kirsher * @bp: driver handle 152adfc5217SJeff Kirsher */ 153adfc5217SJeff Kirsher void bnx2x_link_set(struct bnx2x *bp); 154adfc5217SJeff Kirsher 155adfc5217SJeff Kirsher /** 156adfc5217SJeff Kirsher * bnx2x_link_test - query link status. 157adfc5217SJeff Kirsher * 158adfc5217SJeff Kirsher * @bp: driver handle 159adfc5217SJeff Kirsher * @is_serdes: bool 160adfc5217SJeff Kirsher * 161adfc5217SJeff Kirsher * Returns 0 if link is UP. 162adfc5217SJeff Kirsher */ 163adfc5217SJeff Kirsher u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes); 164adfc5217SJeff Kirsher 165adfc5217SJeff Kirsher /** 166adfc5217SJeff Kirsher * bnx2x_drv_pulse - write driver pulse to shmem 167adfc5217SJeff Kirsher * 168adfc5217SJeff Kirsher * @bp: driver handle 169adfc5217SJeff Kirsher * 170adfc5217SJeff Kirsher * writes the value in bp->fw_drv_pulse_wr_seq to drv_pulse mbox 171adfc5217SJeff Kirsher * in the shmem. 172adfc5217SJeff Kirsher */ 173adfc5217SJeff Kirsher void bnx2x_drv_pulse(struct bnx2x *bp); 174adfc5217SJeff Kirsher 175adfc5217SJeff Kirsher /** 176adfc5217SJeff Kirsher * bnx2x_igu_ack_sb - update IGU with current SB value 177adfc5217SJeff Kirsher * 178adfc5217SJeff Kirsher * @bp: driver handle 179adfc5217SJeff Kirsher * @igu_sb_id: SB id 180adfc5217SJeff Kirsher * @segment: SB segment 181adfc5217SJeff Kirsher * @index: SB index 182adfc5217SJeff Kirsher * @op: SB operation 183adfc5217SJeff Kirsher * @update: is HW update required 184adfc5217SJeff Kirsher */ 185adfc5217SJeff Kirsher void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment, 186adfc5217SJeff Kirsher u16 index, u8 op, u8 update); 187adfc5217SJeff Kirsher 188adfc5217SJeff Kirsher /* Disable transactions from chip to host */ 189adfc5217SJeff Kirsher void bnx2x_pf_disable(struct bnx2x *bp); 190adfc5217SJeff Kirsher 191adfc5217SJeff Kirsher /** 192adfc5217SJeff Kirsher * bnx2x__link_status_update - handles link status change. 193adfc5217SJeff Kirsher * 194adfc5217SJeff Kirsher * @bp: driver handle 195adfc5217SJeff Kirsher */ 196adfc5217SJeff Kirsher void bnx2x__link_status_update(struct bnx2x *bp); 197adfc5217SJeff Kirsher 198adfc5217SJeff Kirsher /** 199adfc5217SJeff Kirsher * bnx2x_link_report - report link status to upper layer. 200adfc5217SJeff Kirsher * 201adfc5217SJeff Kirsher * @bp: driver handle 202adfc5217SJeff Kirsher */ 203adfc5217SJeff Kirsher void bnx2x_link_report(struct bnx2x *bp); 204adfc5217SJeff Kirsher 205adfc5217SJeff Kirsher /* None-atomic version of bnx2x_link_report() */ 206adfc5217SJeff Kirsher void __bnx2x_link_report(struct bnx2x *bp); 207adfc5217SJeff Kirsher 208adfc5217SJeff Kirsher /** 209adfc5217SJeff Kirsher * bnx2x_get_mf_speed - calculate MF speed. 210adfc5217SJeff Kirsher * 211adfc5217SJeff Kirsher * @bp: driver handle 212adfc5217SJeff Kirsher * 213adfc5217SJeff Kirsher * Takes into account current linespeed and MF configuration. 214adfc5217SJeff Kirsher */ 215adfc5217SJeff Kirsher u16 bnx2x_get_mf_speed(struct bnx2x *bp); 216adfc5217SJeff Kirsher 217adfc5217SJeff Kirsher /** 218adfc5217SJeff Kirsher * bnx2x_msix_sp_int - MSI-X slowpath interrupt handler 219adfc5217SJeff Kirsher * 220adfc5217SJeff Kirsher * @irq: irq number 221adfc5217SJeff Kirsher * @dev_instance: private instance 222adfc5217SJeff Kirsher */ 223adfc5217SJeff Kirsher irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance); 224adfc5217SJeff Kirsher 225adfc5217SJeff Kirsher /** 226adfc5217SJeff Kirsher * bnx2x_interrupt - non MSI-X interrupt handler 227adfc5217SJeff Kirsher * 228adfc5217SJeff Kirsher * @irq: irq number 229adfc5217SJeff Kirsher * @dev_instance: private instance 230adfc5217SJeff Kirsher */ 231adfc5217SJeff Kirsher irqreturn_t bnx2x_interrupt(int irq, void *dev_instance); 232adfc5217SJeff Kirsher #ifdef BCM_CNIC 233adfc5217SJeff Kirsher 234adfc5217SJeff Kirsher /** 235adfc5217SJeff Kirsher * bnx2x_cnic_notify - send command to cnic driver 236adfc5217SJeff Kirsher * 237adfc5217SJeff Kirsher * @bp: driver handle 238adfc5217SJeff Kirsher * @cmd: command 239adfc5217SJeff Kirsher */ 240adfc5217SJeff Kirsher int bnx2x_cnic_notify(struct bnx2x *bp, int cmd); 241adfc5217SJeff Kirsher 242adfc5217SJeff Kirsher /** 243adfc5217SJeff Kirsher * bnx2x_setup_cnic_irq_info - provides cnic with IRQ information 244adfc5217SJeff Kirsher * 245adfc5217SJeff Kirsher * @bp: driver handle 246adfc5217SJeff Kirsher */ 247adfc5217SJeff Kirsher void bnx2x_setup_cnic_irq_info(struct bnx2x *bp); 24837ae41a9SMerav Sicron 24937ae41a9SMerav Sicron /** 25037ae41a9SMerav Sicron * bnx2x_setup_cnic_info - provides cnic with updated info 25137ae41a9SMerav Sicron * 25237ae41a9SMerav Sicron * @bp: driver handle 25337ae41a9SMerav Sicron */ 25437ae41a9SMerav Sicron void bnx2x_setup_cnic_info(struct bnx2x *bp); 25537ae41a9SMerav Sicron 256adfc5217SJeff Kirsher #endif 257adfc5217SJeff Kirsher 258adfc5217SJeff Kirsher /** 259adfc5217SJeff Kirsher * bnx2x_int_enable - enable HW interrupts. 260adfc5217SJeff Kirsher * 261adfc5217SJeff Kirsher * @bp: driver handle 262adfc5217SJeff Kirsher */ 263adfc5217SJeff Kirsher void bnx2x_int_enable(struct bnx2x *bp); 264adfc5217SJeff Kirsher 265adfc5217SJeff Kirsher /** 266adfc5217SJeff Kirsher * bnx2x_int_disable_sync - disable interrupts. 267adfc5217SJeff Kirsher * 268adfc5217SJeff Kirsher * @bp: driver handle 269adfc5217SJeff Kirsher * @disable_hw: true, disable HW interrupts. 270adfc5217SJeff Kirsher * 271adfc5217SJeff Kirsher * This function ensures that there are no 272adfc5217SJeff Kirsher * ISRs or SP DPCs (sp_task) are running after it returns. 273adfc5217SJeff Kirsher */ 274adfc5217SJeff Kirsher void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw); 275adfc5217SJeff Kirsher 276adfc5217SJeff Kirsher /** 277adfc5217SJeff Kirsher * bnx2x_nic_init - init driver internals. 278adfc5217SJeff Kirsher * 279adfc5217SJeff Kirsher * @bp: driver handle 280adfc5217SJeff Kirsher * @load_code: COMMON, PORT or FUNCTION 281adfc5217SJeff Kirsher * 282adfc5217SJeff Kirsher * Initializes: 283adfc5217SJeff Kirsher * - rings 284adfc5217SJeff Kirsher * - status blocks 285adfc5217SJeff Kirsher * - etc. 286adfc5217SJeff Kirsher */ 287adfc5217SJeff Kirsher void bnx2x_nic_init(struct bnx2x *bp, u32 load_code); 288adfc5217SJeff Kirsher 289adfc5217SJeff Kirsher /** 290adfc5217SJeff Kirsher * bnx2x_alloc_mem - allocate driver's memory. 291adfc5217SJeff Kirsher * 292adfc5217SJeff Kirsher * @bp: driver handle 293adfc5217SJeff Kirsher */ 294adfc5217SJeff Kirsher int bnx2x_alloc_mem(struct bnx2x *bp); 295adfc5217SJeff Kirsher 296adfc5217SJeff Kirsher /** 297adfc5217SJeff Kirsher * bnx2x_free_mem - release driver's memory. 298adfc5217SJeff Kirsher * 299adfc5217SJeff Kirsher * @bp: driver handle 300adfc5217SJeff Kirsher */ 301adfc5217SJeff Kirsher void bnx2x_free_mem(struct bnx2x *bp); 302adfc5217SJeff Kirsher 303adfc5217SJeff Kirsher /** 304adfc5217SJeff Kirsher * bnx2x_set_num_queues - set number of queues according to mode. 305adfc5217SJeff Kirsher * 306adfc5217SJeff Kirsher * @bp: driver handle 307adfc5217SJeff Kirsher */ 308adfc5217SJeff Kirsher void bnx2x_set_num_queues(struct bnx2x *bp); 309adfc5217SJeff Kirsher 310adfc5217SJeff Kirsher /** 311adfc5217SJeff Kirsher * bnx2x_chip_cleanup - cleanup chip internals. 312adfc5217SJeff Kirsher * 313adfc5217SJeff Kirsher * @bp: driver handle 314adfc5217SJeff Kirsher * @unload_mode: COMMON, PORT, FUNCTION 315adfc5217SJeff Kirsher * 316adfc5217SJeff Kirsher * - Cleanup MAC configuration. 317adfc5217SJeff Kirsher * - Closes clients. 318adfc5217SJeff Kirsher * - etc. 319adfc5217SJeff Kirsher */ 320adfc5217SJeff Kirsher void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode); 321adfc5217SJeff Kirsher 322adfc5217SJeff Kirsher /** 323adfc5217SJeff Kirsher * bnx2x_acquire_hw_lock - acquire HW lock. 324adfc5217SJeff Kirsher * 325adfc5217SJeff Kirsher * @bp: driver handle 326adfc5217SJeff Kirsher * @resource: resource bit which was locked 327adfc5217SJeff Kirsher */ 328adfc5217SJeff Kirsher int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource); 329adfc5217SJeff Kirsher 330adfc5217SJeff Kirsher /** 331adfc5217SJeff Kirsher * bnx2x_release_hw_lock - release HW lock. 332adfc5217SJeff Kirsher * 333adfc5217SJeff Kirsher * @bp: driver handle 334adfc5217SJeff Kirsher * @resource: resource bit which was locked 335adfc5217SJeff Kirsher */ 336adfc5217SJeff Kirsher int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource); 337adfc5217SJeff Kirsher 338adfc5217SJeff Kirsher /** 339adfc5217SJeff Kirsher * bnx2x_release_leader_lock - release recovery leader lock 340adfc5217SJeff Kirsher * 341adfc5217SJeff Kirsher * @bp: driver handle 342adfc5217SJeff Kirsher */ 343adfc5217SJeff Kirsher int bnx2x_release_leader_lock(struct bnx2x *bp); 344adfc5217SJeff Kirsher 345adfc5217SJeff Kirsher /** 346adfc5217SJeff Kirsher * bnx2x_set_eth_mac - configure eth MAC address in the HW 347adfc5217SJeff Kirsher * 348adfc5217SJeff Kirsher * @bp: driver handle 349adfc5217SJeff Kirsher * @set: set or clear 350adfc5217SJeff Kirsher * 351adfc5217SJeff Kirsher * Configures according to the value in netdev->dev_addr. 352adfc5217SJeff Kirsher */ 353adfc5217SJeff Kirsher int bnx2x_set_eth_mac(struct bnx2x *bp, bool set); 354adfc5217SJeff Kirsher 355adfc5217SJeff Kirsher /** 356adfc5217SJeff Kirsher * bnx2x_set_rx_mode - set MAC filtering configurations. 357adfc5217SJeff Kirsher * 358adfc5217SJeff Kirsher * @dev: netdevice 359adfc5217SJeff Kirsher * 360adfc5217SJeff Kirsher * called with netif_tx_lock from dev_mcast.c 361adfc5217SJeff Kirsher * If bp->state is OPEN, should be called with 362adfc5217SJeff Kirsher * netif_addr_lock_bh() 363adfc5217SJeff Kirsher */ 364adfc5217SJeff Kirsher void bnx2x_set_rx_mode(struct net_device *dev); 365adfc5217SJeff Kirsher 366adfc5217SJeff Kirsher /** 367adfc5217SJeff Kirsher * bnx2x_set_storm_rx_mode - configure MAC filtering rules in a FW. 368adfc5217SJeff Kirsher * 369adfc5217SJeff Kirsher * @bp: driver handle 370adfc5217SJeff Kirsher * 371adfc5217SJeff Kirsher * If bp->state is OPEN, should be called with 372adfc5217SJeff Kirsher * netif_addr_lock_bh(). 373adfc5217SJeff Kirsher */ 374adfc5217SJeff Kirsher void bnx2x_set_storm_rx_mode(struct bnx2x *bp); 375adfc5217SJeff Kirsher 376adfc5217SJeff Kirsher /** 377adfc5217SJeff Kirsher * bnx2x_set_q_rx_mode - configures rx_mode for a single queue. 378adfc5217SJeff Kirsher * 379adfc5217SJeff Kirsher * @bp: driver handle 380adfc5217SJeff Kirsher * @cl_id: client id 381adfc5217SJeff Kirsher * @rx_mode_flags: rx mode configuration 382adfc5217SJeff Kirsher * @rx_accept_flags: rx accept configuration 383adfc5217SJeff Kirsher * @tx_accept_flags: tx accept configuration (tx switch) 384adfc5217SJeff Kirsher * @ramrod_flags: ramrod configuration 385adfc5217SJeff Kirsher */ 386adfc5217SJeff Kirsher void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id, 387adfc5217SJeff Kirsher unsigned long rx_mode_flags, 388adfc5217SJeff Kirsher unsigned long rx_accept_flags, 389adfc5217SJeff Kirsher unsigned long tx_accept_flags, 390adfc5217SJeff Kirsher unsigned long ramrod_flags); 391adfc5217SJeff Kirsher 392adfc5217SJeff Kirsher /* Parity errors related */ 393889b9af3SAriel Elior void bnx2x_set_pf_load(struct bnx2x *bp); 394889b9af3SAriel Elior bool bnx2x_clear_pf_load(struct bnx2x *bp); 395adfc5217SJeff Kirsher bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print); 396adfc5217SJeff Kirsher bool bnx2x_reset_is_done(struct bnx2x *bp, int engine); 397adfc5217SJeff Kirsher void bnx2x_set_reset_in_progress(struct bnx2x *bp); 398adfc5217SJeff Kirsher void bnx2x_set_reset_global(struct bnx2x *bp); 399adfc5217SJeff Kirsher void bnx2x_disable_close_the_gate(struct bnx2x *bp); 400adfc5217SJeff Kirsher 401adfc5217SJeff Kirsher /** 402adfc5217SJeff Kirsher * bnx2x_sp_event - handle ramrods completion. 403adfc5217SJeff Kirsher * 404adfc5217SJeff Kirsher * @fp: fastpath handle for the event 405adfc5217SJeff Kirsher * @rr_cqe: eth_rx_cqe 406adfc5217SJeff Kirsher */ 407adfc5217SJeff Kirsher void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe); 408adfc5217SJeff Kirsher 409adfc5217SJeff Kirsher /** 410adfc5217SJeff Kirsher * bnx2x_ilt_set_info - prepare ILT configurations. 411adfc5217SJeff Kirsher * 412adfc5217SJeff Kirsher * @bp: driver handle 413adfc5217SJeff Kirsher */ 414adfc5217SJeff Kirsher void bnx2x_ilt_set_info(struct bnx2x *bp); 415adfc5217SJeff Kirsher 416adfc5217SJeff Kirsher /** 417adfc5217SJeff Kirsher * bnx2x_dcbx_init - initialize dcbx protocol. 418adfc5217SJeff Kirsher * 419adfc5217SJeff Kirsher * @bp: driver handle 420adfc5217SJeff Kirsher */ 4219876879fSBarak Witkowski void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem); 422adfc5217SJeff Kirsher 423adfc5217SJeff Kirsher /** 424adfc5217SJeff Kirsher * bnx2x_set_power_state - set power state to the requested value. 425adfc5217SJeff Kirsher * 426adfc5217SJeff Kirsher * @bp: driver handle 427adfc5217SJeff Kirsher * @state: required state D0 or D3hot 428adfc5217SJeff Kirsher * 429adfc5217SJeff Kirsher * Currently only D0 and D3hot are supported. 430adfc5217SJeff Kirsher */ 431adfc5217SJeff Kirsher int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state); 432adfc5217SJeff Kirsher 433adfc5217SJeff Kirsher /** 434adfc5217SJeff Kirsher * bnx2x_update_max_mf_config - update MAX part of MF configuration in HW. 435adfc5217SJeff Kirsher * 436adfc5217SJeff Kirsher * @bp: driver handle 437adfc5217SJeff Kirsher * @value: new value 438adfc5217SJeff Kirsher */ 439adfc5217SJeff Kirsher void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value); 440adfc5217SJeff Kirsher /* Error handling */ 441adfc5217SJeff Kirsher void bnx2x_panic_dump(struct bnx2x *bp); 442adfc5217SJeff Kirsher 443adfc5217SJeff Kirsher void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl); 444adfc5217SJeff Kirsher 445452427b0SYuval Mintz /* validate currect fw is loaded */ 446452427b0SYuval Mintz bool bnx2x_test_firmware_version(struct bnx2x *bp, bool is_err); 447452427b0SYuval Mintz 448adfc5217SJeff Kirsher /* dev_close main block */ 449adfc5217SJeff Kirsher int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode); 450adfc5217SJeff Kirsher 451adfc5217SJeff Kirsher /* dev_open main block */ 452adfc5217SJeff Kirsher int bnx2x_nic_load(struct bnx2x *bp, int load_mode); 453adfc5217SJeff Kirsher 454adfc5217SJeff Kirsher /* hard_xmit callback */ 455adfc5217SJeff Kirsher netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev); 456adfc5217SJeff Kirsher 457adfc5217SJeff Kirsher /* setup_tc callback */ 458adfc5217SJeff Kirsher int bnx2x_setup_tc(struct net_device *dev, u8 num_tc); 459adfc5217SJeff Kirsher 460adfc5217SJeff Kirsher /* select_queue callback */ 461adfc5217SJeff Kirsher u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb); 462adfc5217SJeff Kirsher 463adfc5217SJeff Kirsher /* reload helper */ 464adfc5217SJeff Kirsher int bnx2x_reload_if_running(struct net_device *dev); 465adfc5217SJeff Kirsher 466adfc5217SJeff Kirsher int bnx2x_change_mac_addr(struct net_device *dev, void *p); 467adfc5217SJeff Kirsher 468adfc5217SJeff Kirsher /* NAPI poll Rx part */ 469adfc5217SJeff Kirsher int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget); 470adfc5217SJeff Kirsher 471adfc5217SJeff Kirsher void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp, 472adfc5217SJeff Kirsher u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod); 473adfc5217SJeff Kirsher 474adfc5217SJeff Kirsher /* NAPI poll Tx part */ 475adfc5217SJeff Kirsher int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata); 476adfc5217SJeff Kirsher 477adfc5217SJeff Kirsher /* suspend/resume callbacks */ 478adfc5217SJeff Kirsher int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state); 479adfc5217SJeff Kirsher int bnx2x_resume(struct pci_dev *pdev); 480adfc5217SJeff Kirsher 481adfc5217SJeff Kirsher /* Release IRQ vectors */ 482adfc5217SJeff Kirsher void bnx2x_free_irq(struct bnx2x *bp); 483adfc5217SJeff Kirsher 484adfc5217SJeff Kirsher void bnx2x_free_fp_mem(struct bnx2x *bp); 485adfc5217SJeff Kirsher int bnx2x_alloc_fp_mem(struct bnx2x *bp); 486adfc5217SJeff Kirsher void bnx2x_init_rx_rings(struct bnx2x *bp); 487adfc5217SJeff Kirsher void bnx2x_free_skbs(struct bnx2x *bp); 488adfc5217SJeff Kirsher void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw); 489adfc5217SJeff Kirsher void bnx2x_netif_start(struct bnx2x *bp); 490adfc5217SJeff Kirsher 491adfc5217SJeff Kirsher /** 492adfc5217SJeff Kirsher * bnx2x_enable_msix - set msix configuration. 493adfc5217SJeff Kirsher * 494adfc5217SJeff Kirsher * @bp: driver handle 495adfc5217SJeff Kirsher * 496adfc5217SJeff Kirsher * fills msix_table, requests vectors, updates num_queues 497adfc5217SJeff Kirsher * according to number of available vectors. 498adfc5217SJeff Kirsher */ 4990e8d2ec5SMerav Sicron int bnx2x_enable_msix(struct bnx2x *bp); 500adfc5217SJeff Kirsher 501adfc5217SJeff Kirsher /** 502adfc5217SJeff Kirsher * bnx2x_enable_msi - request msi mode from OS, updated internals accordingly 503adfc5217SJeff Kirsher * 504adfc5217SJeff Kirsher * @bp: driver handle 505adfc5217SJeff Kirsher */ 506adfc5217SJeff Kirsher int bnx2x_enable_msi(struct bnx2x *bp); 507adfc5217SJeff Kirsher 508adfc5217SJeff Kirsher /** 509adfc5217SJeff Kirsher * bnx2x_poll - NAPI callback 510adfc5217SJeff Kirsher * 511adfc5217SJeff Kirsher * @napi: napi structure 512adfc5217SJeff Kirsher * @budget: 513adfc5217SJeff Kirsher * 514adfc5217SJeff Kirsher */ 515adfc5217SJeff Kirsher int bnx2x_poll(struct napi_struct *napi, int budget); 516adfc5217SJeff Kirsher 517adfc5217SJeff Kirsher /** 518adfc5217SJeff Kirsher * bnx2x_alloc_mem_bp - allocate memories outsize main driver structure 519adfc5217SJeff Kirsher * 520adfc5217SJeff Kirsher * @bp: driver handle 521adfc5217SJeff Kirsher */ 522adfc5217SJeff Kirsher int __devinit bnx2x_alloc_mem_bp(struct bnx2x *bp); 523adfc5217SJeff Kirsher 524adfc5217SJeff Kirsher /** 525adfc5217SJeff Kirsher * bnx2x_free_mem_bp - release memories outsize main driver structure 526adfc5217SJeff Kirsher * 527adfc5217SJeff Kirsher * @bp: driver handle 528adfc5217SJeff Kirsher */ 529adfc5217SJeff Kirsher void bnx2x_free_mem_bp(struct bnx2x *bp); 530adfc5217SJeff Kirsher 531adfc5217SJeff Kirsher /** 532adfc5217SJeff Kirsher * bnx2x_change_mtu - change mtu netdev callback 533adfc5217SJeff Kirsher * 534adfc5217SJeff Kirsher * @dev: net device 535adfc5217SJeff Kirsher * @new_mtu: requested mtu 536adfc5217SJeff Kirsher * 537adfc5217SJeff Kirsher */ 538adfc5217SJeff Kirsher int bnx2x_change_mtu(struct net_device *dev, int new_mtu); 539adfc5217SJeff Kirsher 5403857e3eeSDmitry Kravkov #if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC) 541adfc5217SJeff Kirsher /** 542adfc5217SJeff Kirsher * bnx2x_fcoe_get_wwn - return the requested WWN value for this port 543adfc5217SJeff Kirsher * 544adfc5217SJeff Kirsher * @dev: net_device 545adfc5217SJeff Kirsher * @wwn: output buffer 546adfc5217SJeff Kirsher * @type: WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port) 547adfc5217SJeff Kirsher * 548adfc5217SJeff Kirsher */ 549adfc5217SJeff Kirsher int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type); 550adfc5217SJeff Kirsher #endif 551621b4d66SDmitry Kravkov 552c8f44affSMichał Mirosław netdev_features_t bnx2x_fix_features(struct net_device *dev, 553c8f44affSMichał Mirosław netdev_features_t features); 554c8f44affSMichał Mirosław int bnx2x_set_features(struct net_device *dev, netdev_features_t features); 555adfc5217SJeff Kirsher 556adfc5217SJeff Kirsher /** 557adfc5217SJeff Kirsher * bnx2x_tx_timeout - tx timeout netdev callback 558adfc5217SJeff Kirsher * 559adfc5217SJeff Kirsher * @dev: net device 560adfc5217SJeff Kirsher */ 561adfc5217SJeff Kirsher void bnx2x_tx_timeout(struct net_device *dev); 562adfc5217SJeff Kirsher 563adfc5217SJeff Kirsher /*********************** Inlines **********************************/ 564adfc5217SJeff Kirsher /*********************** Fast path ********************************/ 565adfc5217SJeff Kirsher static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) 566adfc5217SJeff Kirsher { 567adfc5217SJeff Kirsher barrier(); /* status block is written to by the chip */ 568adfc5217SJeff Kirsher fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID]; 569adfc5217SJeff Kirsher } 570adfc5217SJeff Kirsher 571adfc5217SJeff Kirsher static inline void bnx2x_update_rx_prod_gen(struct bnx2x *bp, 572adfc5217SJeff Kirsher struct bnx2x_fastpath *fp, u16 bd_prod, 573adfc5217SJeff Kirsher u16 rx_comp_prod, u16 rx_sge_prod, u32 start) 574adfc5217SJeff Kirsher { 575adfc5217SJeff Kirsher struct ustorm_eth_rx_producers rx_prods = {0}; 576adfc5217SJeff Kirsher u32 i; 577adfc5217SJeff Kirsher 578adfc5217SJeff Kirsher /* Update producers */ 579adfc5217SJeff Kirsher rx_prods.bd_prod = bd_prod; 580adfc5217SJeff Kirsher rx_prods.cqe_prod = rx_comp_prod; 581adfc5217SJeff Kirsher rx_prods.sge_prod = rx_sge_prod; 582adfc5217SJeff Kirsher 583adfc5217SJeff Kirsher /* 584adfc5217SJeff Kirsher * Make sure that the BD and SGE data is updated before updating the 585adfc5217SJeff Kirsher * producers since FW might read the BD/SGE right after the producer 586adfc5217SJeff Kirsher * is updated. 587adfc5217SJeff Kirsher * This is only applicable for weak-ordered memory model archs such 588adfc5217SJeff Kirsher * as IA-64. The following barrier is also mandatory since FW will 589adfc5217SJeff Kirsher * assumes BDs must have buffers. 590adfc5217SJeff Kirsher */ 591adfc5217SJeff Kirsher wmb(); 592adfc5217SJeff Kirsher 593adfc5217SJeff Kirsher for (i = 0; i < sizeof(rx_prods)/4; i++) 594adfc5217SJeff Kirsher REG_WR(bp, start + i*4, ((u32 *)&rx_prods)[i]); 595adfc5217SJeff Kirsher 596adfc5217SJeff Kirsher mmiowb(); /* keep prod updates ordered */ 597adfc5217SJeff Kirsher 598adfc5217SJeff Kirsher DP(NETIF_MSG_RX_STATUS, 599adfc5217SJeff Kirsher "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n", 600adfc5217SJeff Kirsher fp->index, bd_prod, rx_comp_prod, rx_sge_prod); 601adfc5217SJeff Kirsher } 602adfc5217SJeff Kirsher 603adfc5217SJeff Kirsher static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id, 604adfc5217SJeff Kirsher u8 segment, u16 index, u8 op, 605adfc5217SJeff Kirsher u8 update, u32 igu_addr) 606adfc5217SJeff Kirsher { 607adfc5217SJeff Kirsher struct igu_regular cmd_data = {0}; 608adfc5217SJeff Kirsher 609adfc5217SJeff Kirsher cmd_data.sb_id_and_flags = 610adfc5217SJeff Kirsher ((index << IGU_REGULAR_SB_INDEX_SHIFT) | 611adfc5217SJeff Kirsher (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) | 612adfc5217SJeff Kirsher (update << IGU_REGULAR_BUPDATE_SHIFT) | 613adfc5217SJeff Kirsher (op << IGU_REGULAR_ENABLE_INT_SHIFT)); 614adfc5217SJeff Kirsher 61551c1a580SMerav Sicron DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", 616adfc5217SJeff Kirsher cmd_data.sb_id_and_flags, igu_addr); 617adfc5217SJeff Kirsher REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags); 618adfc5217SJeff Kirsher 619adfc5217SJeff Kirsher /* Make sure that ACK is written */ 620adfc5217SJeff Kirsher mmiowb(); 621adfc5217SJeff Kirsher barrier(); 622adfc5217SJeff Kirsher } 623adfc5217SJeff Kirsher 624adfc5217SJeff Kirsher static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id, 625adfc5217SJeff Kirsher u8 storm, u16 index, u8 op, u8 update) 626adfc5217SJeff Kirsher { 627adfc5217SJeff Kirsher u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + 628adfc5217SJeff Kirsher COMMAND_REG_INT_ACK); 629adfc5217SJeff Kirsher struct igu_ack_register igu_ack; 630adfc5217SJeff Kirsher 631adfc5217SJeff Kirsher igu_ack.status_block_index = index; 632adfc5217SJeff Kirsher igu_ack.sb_id_and_flags = 633adfc5217SJeff Kirsher ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) | 634adfc5217SJeff Kirsher (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) | 635adfc5217SJeff Kirsher (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) | 636adfc5217SJeff Kirsher (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT)); 637adfc5217SJeff Kirsher 638adfc5217SJeff Kirsher REG_WR(bp, hc_addr, (*(u32 *)&igu_ack)); 639adfc5217SJeff Kirsher 640adfc5217SJeff Kirsher /* Make sure that ACK is written */ 641adfc5217SJeff Kirsher mmiowb(); 642adfc5217SJeff Kirsher barrier(); 643adfc5217SJeff Kirsher } 644adfc5217SJeff Kirsher 645adfc5217SJeff Kirsher static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm, 646adfc5217SJeff Kirsher u16 index, u8 op, u8 update) 647adfc5217SJeff Kirsher { 648adfc5217SJeff Kirsher if (bp->common.int_block == INT_BLOCK_HC) 649adfc5217SJeff Kirsher bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update); 650adfc5217SJeff Kirsher else { 651adfc5217SJeff Kirsher u8 segment; 652adfc5217SJeff Kirsher 653adfc5217SJeff Kirsher if (CHIP_INT_MODE_IS_BC(bp)) 654adfc5217SJeff Kirsher segment = storm; 655adfc5217SJeff Kirsher else if (igu_sb_id != bp->igu_dsb_id) 656adfc5217SJeff Kirsher segment = IGU_SEG_ACCESS_DEF; 657adfc5217SJeff Kirsher else if (storm == ATTENTION_ID) 658adfc5217SJeff Kirsher segment = IGU_SEG_ACCESS_ATTN; 659adfc5217SJeff Kirsher else 660adfc5217SJeff Kirsher segment = IGU_SEG_ACCESS_DEF; 661adfc5217SJeff Kirsher bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update); 662adfc5217SJeff Kirsher } 663adfc5217SJeff Kirsher } 664adfc5217SJeff Kirsher 665adfc5217SJeff Kirsher static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp) 666adfc5217SJeff Kirsher { 667adfc5217SJeff Kirsher u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + 668adfc5217SJeff Kirsher COMMAND_REG_SIMD_MASK); 669adfc5217SJeff Kirsher u32 result = REG_RD(bp, hc_addr); 670adfc5217SJeff Kirsher 671adfc5217SJeff Kirsher barrier(); 672adfc5217SJeff Kirsher return result; 673adfc5217SJeff Kirsher } 674adfc5217SJeff Kirsher 675adfc5217SJeff Kirsher static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp) 676adfc5217SJeff Kirsher { 677adfc5217SJeff Kirsher u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8); 678adfc5217SJeff Kirsher u32 result = REG_RD(bp, igu_addr); 679adfc5217SJeff Kirsher 68051c1a580SMerav Sicron DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n", 681adfc5217SJeff Kirsher result, igu_addr); 682adfc5217SJeff Kirsher 683adfc5217SJeff Kirsher barrier(); 684adfc5217SJeff Kirsher return result; 685adfc5217SJeff Kirsher } 686adfc5217SJeff Kirsher 687adfc5217SJeff Kirsher static inline u16 bnx2x_ack_int(struct bnx2x *bp) 688adfc5217SJeff Kirsher { 689adfc5217SJeff Kirsher barrier(); 690adfc5217SJeff Kirsher if (bp->common.int_block == INT_BLOCK_HC) 691adfc5217SJeff Kirsher return bnx2x_hc_ack_int(bp); 692adfc5217SJeff Kirsher else 693adfc5217SJeff Kirsher return bnx2x_igu_ack_int(bp); 694adfc5217SJeff Kirsher } 695adfc5217SJeff Kirsher 696adfc5217SJeff Kirsher static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata) 697adfc5217SJeff Kirsher { 698adfc5217SJeff Kirsher /* Tell compiler that consumer and producer can change */ 699adfc5217SJeff Kirsher barrier(); 700adfc5217SJeff Kirsher return txdata->tx_pkt_prod != txdata->tx_pkt_cons; 701adfc5217SJeff Kirsher } 702adfc5217SJeff Kirsher 703adfc5217SJeff Kirsher static inline u16 bnx2x_tx_avail(struct bnx2x *bp, 704adfc5217SJeff Kirsher struct bnx2x_fp_txdata *txdata) 705adfc5217SJeff Kirsher { 706adfc5217SJeff Kirsher s16 used; 707adfc5217SJeff Kirsher u16 prod; 708adfc5217SJeff Kirsher u16 cons; 709adfc5217SJeff Kirsher 710adfc5217SJeff Kirsher prod = txdata->tx_bd_prod; 711adfc5217SJeff Kirsher cons = txdata->tx_bd_cons; 712adfc5217SJeff Kirsher 713adfc5217SJeff Kirsher /* NUM_TX_RINGS = number of "next-page" entries 714adfc5217SJeff Kirsher It will be used as a threshold */ 715adfc5217SJeff Kirsher used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS; 716adfc5217SJeff Kirsher 717adfc5217SJeff Kirsher #ifdef BNX2X_STOP_ON_ERROR 718adfc5217SJeff Kirsher WARN_ON(used < 0); 719adfc5217SJeff Kirsher WARN_ON(used > bp->tx_ring_size); 720adfc5217SJeff Kirsher WARN_ON((bp->tx_ring_size - used) > MAX_TX_AVAIL); 721adfc5217SJeff Kirsher #endif 722adfc5217SJeff Kirsher 723adfc5217SJeff Kirsher return (s16)(bp->tx_ring_size) - used; 724adfc5217SJeff Kirsher } 725adfc5217SJeff Kirsher 726adfc5217SJeff Kirsher static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata) 727adfc5217SJeff Kirsher { 728adfc5217SJeff Kirsher u16 hw_cons; 729adfc5217SJeff Kirsher 730adfc5217SJeff Kirsher /* Tell compiler that status block fields can change */ 731adfc5217SJeff Kirsher barrier(); 732adfc5217SJeff Kirsher hw_cons = le16_to_cpu(*txdata->tx_cons_sb); 733adfc5217SJeff Kirsher return hw_cons != txdata->tx_pkt_cons; 734adfc5217SJeff Kirsher } 735adfc5217SJeff Kirsher 736adfc5217SJeff Kirsher static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp) 737adfc5217SJeff Kirsher { 738adfc5217SJeff Kirsher u8 cos; 739adfc5217SJeff Kirsher for_each_cos_in_tx_queue(fp, cos) 74065565884SMerav Sicron if (bnx2x_tx_queue_has_work(fp->txdata_ptr[cos])) 741adfc5217SJeff Kirsher return true; 742adfc5217SJeff Kirsher return false; 743adfc5217SJeff Kirsher } 744adfc5217SJeff Kirsher 745adfc5217SJeff Kirsher static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp) 746adfc5217SJeff Kirsher { 747adfc5217SJeff Kirsher u16 rx_cons_sb; 748adfc5217SJeff Kirsher 749adfc5217SJeff Kirsher /* Tell compiler that status block fields can change */ 750adfc5217SJeff Kirsher barrier(); 751adfc5217SJeff Kirsher rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); 752adfc5217SJeff Kirsher if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) 753adfc5217SJeff Kirsher rx_cons_sb++; 754adfc5217SJeff Kirsher return (fp->rx_comp_cons != rx_cons_sb); 755adfc5217SJeff Kirsher } 756adfc5217SJeff Kirsher 757adfc5217SJeff Kirsher /** 758adfc5217SJeff Kirsher * bnx2x_tx_disable - disables tx from stack point of view 759adfc5217SJeff Kirsher * 760adfc5217SJeff Kirsher * @bp: driver handle 761adfc5217SJeff Kirsher */ 762adfc5217SJeff Kirsher static inline void bnx2x_tx_disable(struct bnx2x *bp) 763adfc5217SJeff Kirsher { 764adfc5217SJeff Kirsher netif_tx_disable(bp->dev); 765adfc5217SJeff Kirsher netif_carrier_off(bp->dev); 766adfc5217SJeff Kirsher } 767adfc5217SJeff Kirsher 768adfc5217SJeff Kirsher static inline void bnx2x_free_rx_sge(struct bnx2x *bp, 769adfc5217SJeff Kirsher struct bnx2x_fastpath *fp, u16 index) 770adfc5217SJeff Kirsher { 771adfc5217SJeff Kirsher struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; 772adfc5217SJeff Kirsher struct page *page = sw_buf->page; 773adfc5217SJeff Kirsher struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; 774adfc5217SJeff Kirsher 775adfc5217SJeff Kirsher /* Skip "next page" elements */ 776adfc5217SJeff Kirsher if (!page) 777adfc5217SJeff Kirsher return; 778adfc5217SJeff Kirsher 779adfc5217SJeff Kirsher dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping), 780adfc5217SJeff Kirsher SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE); 781adfc5217SJeff Kirsher __free_pages(page, PAGES_PER_SGE_SHIFT); 782adfc5217SJeff Kirsher 783adfc5217SJeff Kirsher sw_buf->page = NULL; 784adfc5217SJeff Kirsher sge->addr_hi = 0; 785adfc5217SJeff Kirsher sge->addr_lo = 0; 786adfc5217SJeff Kirsher } 787adfc5217SJeff Kirsher 788adfc5217SJeff Kirsher static inline void bnx2x_add_all_napi(struct bnx2x *bp) 789adfc5217SJeff Kirsher { 790adfc5217SJeff Kirsher int i; 791adfc5217SJeff Kirsher 7920e8d2ec5SMerav Sicron bp->num_napi_queues = bp->num_queues; 7930e8d2ec5SMerav Sicron 794adfc5217SJeff Kirsher /* Add NAPI objects */ 7950e8d2ec5SMerav Sicron for_each_napi_rx_queue(bp, i) 796adfc5217SJeff Kirsher netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), 797adfc5217SJeff Kirsher bnx2x_poll, BNX2X_NAPI_WEIGHT); 798adfc5217SJeff Kirsher } 799adfc5217SJeff Kirsher 800adfc5217SJeff Kirsher static inline void bnx2x_del_all_napi(struct bnx2x *bp) 801adfc5217SJeff Kirsher { 802adfc5217SJeff Kirsher int i; 803adfc5217SJeff Kirsher 8040e8d2ec5SMerav Sicron for_each_napi_rx_queue(bp, i) 805adfc5217SJeff Kirsher netif_napi_del(&bnx2x_fp(bp, i, napi)); 806adfc5217SJeff Kirsher } 807adfc5217SJeff Kirsher 8080e8d2ec5SMerav Sicron void bnx2x_set_int_mode(struct bnx2x *bp); 8090e8d2ec5SMerav Sicron 810adfc5217SJeff Kirsher static inline void bnx2x_disable_msi(struct bnx2x *bp) 811adfc5217SJeff Kirsher { 812adfc5217SJeff Kirsher if (bp->flags & USING_MSIX_FLAG) { 813adfc5217SJeff Kirsher pci_disable_msix(bp->pdev); 81430a5de77SDmitry Kravkov bp->flags &= ~(USING_MSIX_FLAG | USING_SINGLE_MSIX_FLAG); 815adfc5217SJeff Kirsher } else if (bp->flags & USING_MSI_FLAG) { 816adfc5217SJeff Kirsher pci_disable_msi(bp->pdev); 817adfc5217SJeff Kirsher bp->flags &= ~USING_MSI_FLAG; 818adfc5217SJeff Kirsher } 819adfc5217SJeff Kirsher } 820adfc5217SJeff Kirsher 821adfc5217SJeff Kirsher static inline int bnx2x_calc_num_queues(struct bnx2x *bp) 822adfc5217SJeff Kirsher { 823adfc5217SJeff Kirsher return num_queues ? 824adfc5217SJeff Kirsher min_t(int, num_queues, BNX2X_MAX_QUEUES(bp)) : 825adfc5217SJeff Kirsher min_t(int, num_online_cpus(), BNX2X_MAX_QUEUES(bp)); 826adfc5217SJeff Kirsher } 827adfc5217SJeff Kirsher 828adfc5217SJeff Kirsher static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp) 829adfc5217SJeff Kirsher { 830adfc5217SJeff Kirsher int i, j; 831adfc5217SJeff Kirsher 832adfc5217SJeff Kirsher for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { 833adfc5217SJeff Kirsher int idx = RX_SGE_CNT * i - 1; 834adfc5217SJeff Kirsher 835adfc5217SJeff Kirsher for (j = 0; j < 2; j++) { 836adfc5217SJeff Kirsher BIT_VEC64_CLEAR_BIT(fp->sge_mask, idx); 837adfc5217SJeff Kirsher idx--; 838adfc5217SJeff Kirsher } 839adfc5217SJeff Kirsher } 840adfc5217SJeff Kirsher } 841adfc5217SJeff Kirsher 842adfc5217SJeff Kirsher static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp) 843adfc5217SJeff Kirsher { 844adfc5217SJeff Kirsher /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */ 845b3637827SDmitry Kravkov memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask)); 846adfc5217SJeff Kirsher 847adfc5217SJeff Kirsher /* Clear the two last indices in the page to 1: 848adfc5217SJeff Kirsher these are the indices that correspond to the "next" element, 849adfc5217SJeff Kirsher hence will never be indicated and should be removed from 850adfc5217SJeff Kirsher the calculations. */ 851adfc5217SJeff Kirsher bnx2x_clear_sge_mask_next_elems(fp); 852adfc5217SJeff Kirsher } 853adfc5217SJeff Kirsher 854e52fcb24SEric Dumazet /* note that we are not allocating a new buffer, 855adfc5217SJeff Kirsher * we are just moving one from cons to prod 856adfc5217SJeff Kirsher * we are not creating a new mapping, 857adfc5217SJeff Kirsher * so there is no need to check for dma_mapping_error(). 858adfc5217SJeff Kirsher */ 859e52fcb24SEric Dumazet static inline void bnx2x_reuse_rx_data(struct bnx2x_fastpath *fp, 860adfc5217SJeff Kirsher u16 cons, u16 prod) 861adfc5217SJeff Kirsher { 862adfc5217SJeff Kirsher struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; 863adfc5217SJeff Kirsher struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; 864adfc5217SJeff Kirsher struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons]; 865adfc5217SJeff Kirsher struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; 866adfc5217SJeff Kirsher 867adfc5217SJeff Kirsher dma_unmap_addr_set(prod_rx_buf, mapping, 868adfc5217SJeff Kirsher dma_unmap_addr(cons_rx_buf, mapping)); 869e52fcb24SEric Dumazet prod_rx_buf->data = cons_rx_buf->data; 870adfc5217SJeff Kirsher *prod_bd = *cons_bd; 871adfc5217SJeff Kirsher } 872adfc5217SJeff Kirsher 873adfc5217SJeff Kirsher /************************* Init ******************************************/ 874adfc5217SJeff Kirsher 875b475d78fSYuval Mintz /* returns func by VN for current port */ 876b475d78fSYuval Mintz static inline int func_by_vn(struct bnx2x *bp, int vn) 877b475d78fSYuval Mintz { 878b475d78fSYuval Mintz return 2 * vn + BP_PORT(bp); 879b475d78fSYuval Mintz } 880b475d78fSYuval Mintz 8815d317c6aSMerav Sicron static inline int bnx2x_config_rss_eth(struct bnx2x *bp, bool config_hash) 88296305234SDmitry Kravkov { 8835d317c6aSMerav Sicron return bnx2x_config_rss_pf(bp, &bp->rss_conf_obj, config_hash); 88496305234SDmitry Kravkov } 88596305234SDmitry Kravkov 886adfc5217SJeff Kirsher /** 887adfc5217SJeff Kirsher * bnx2x_func_start - init function 888adfc5217SJeff Kirsher * 889adfc5217SJeff Kirsher * @bp: driver handle 890adfc5217SJeff Kirsher * 891adfc5217SJeff Kirsher * Must be called before sending CLIENT_SETUP for the first client. 892adfc5217SJeff Kirsher */ 893adfc5217SJeff Kirsher static inline int bnx2x_func_start(struct bnx2x *bp) 894adfc5217SJeff Kirsher { 8953b603066SYuval Mintz struct bnx2x_func_state_params func_params = {NULL}; 896adfc5217SJeff Kirsher struct bnx2x_func_start_params *start_params = 897adfc5217SJeff Kirsher &func_params.params.start; 898adfc5217SJeff Kirsher 899adfc5217SJeff Kirsher /* Prepare parameters for function state transitions */ 900adfc5217SJeff Kirsher __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); 901adfc5217SJeff Kirsher 902adfc5217SJeff Kirsher func_params.f_obj = &bp->func_obj; 903adfc5217SJeff Kirsher func_params.cmd = BNX2X_F_CMD_START; 904adfc5217SJeff Kirsher 905adfc5217SJeff Kirsher /* Function parameters */ 906adfc5217SJeff Kirsher start_params->mf_mode = bp->mf_mode; 907adfc5217SJeff Kirsher start_params->sd_vlan_tag = bp->mf_ov; 9088d7b0278SAriel Elior 9098d7b0278SAriel Elior if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) 910adfc5217SJeff Kirsher start_params->network_cos_mode = STATIC_COS; 9118d7b0278SAriel Elior else /* CHIP_IS_E1X */ 9128d7b0278SAriel Elior start_params->network_cos_mode = FW_WRR; 913adfc5217SJeff Kirsher 914adfc5217SJeff Kirsher return bnx2x_func_state_change(bp, &func_params); 915adfc5217SJeff Kirsher } 916adfc5217SJeff Kirsher 917adfc5217SJeff Kirsher 918adfc5217SJeff Kirsher /** 919adfc5217SJeff Kirsher * bnx2x_set_fw_mac_addr - fill in a MAC address in FW format 920adfc5217SJeff Kirsher * 921adfc5217SJeff Kirsher * @fw_hi: pointer to upper part 922adfc5217SJeff Kirsher * @fw_mid: pointer to middle part 923adfc5217SJeff Kirsher * @fw_lo: pointer to lower part 924adfc5217SJeff Kirsher * @mac: pointer to MAC address 925adfc5217SJeff Kirsher */ 926adfc5217SJeff Kirsher static inline void bnx2x_set_fw_mac_addr(u16 *fw_hi, u16 *fw_mid, u16 *fw_lo, 927adfc5217SJeff Kirsher u8 *mac) 928adfc5217SJeff Kirsher { 929adfc5217SJeff Kirsher ((u8 *)fw_hi)[0] = mac[1]; 930adfc5217SJeff Kirsher ((u8 *)fw_hi)[1] = mac[0]; 931adfc5217SJeff Kirsher ((u8 *)fw_mid)[0] = mac[3]; 932adfc5217SJeff Kirsher ((u8 *)fw_mid)[1] = mac[2]; 933adfc5217SJeff Kirsher ((u8 *)fw_lo)[0] = mac[5]; 934adfc5217SJeff Kirsher ((u8 *)fw_lo)[1] = mac[4]; 935adfc5217SJeff Kirsher } 936adfc5217SJeff Kirsher 937adfc5217SJeff Kirsher static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp, 938adfc5217SJeff Kirsher struct bnx2x_fastpath *fp, int last) 939adfc5217SJeff Kirsher { 940adfc5217SJeff Kirsher int i; 941adfc5217SJeff Kirsher 942adfc5217SJeff Kirsher if (fp->disable_tpa) 943adfc5217SJeff Kirsher return; 944adfc5217SJeff Kirsher 945adfc5217SJeff Kirsher for (i = 0; i < last; i++) 946adfc5217SJeff Kirsher bnx2x_free_rx_sge(bp, fp, i); 947adfc5217SJeff Kirsher } 948adfc5217SJeff Kirsher 949adfc5217SJeff Kirsher static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp) 950adfc5217SJeff Kirsher { 951adfc5217SJeff Kirsher int i; 952adfc5217SJeff Kirsher 953adfc5217SJeff Kirsher for (i = 1; i <= NUM_RX_RINGS; i++) { 954adfc5217SJeff Kirsher struct eth_rx_bd *rx_bd; 955adfc5217SJeff Kirsher 956adfc5217SJeff Kirsher rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; 957adfc5217SJeff Kirsher rx_bd->addr_hi = 958adfc5217SJeff Kirsher cpu_to_le32(U64_HI(fp->rx_desc_mapping + 959adfc5217SJeff Kirsher BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); 960adfc5217SJeff Kirsher rx_bd->addr_lo = 961adfc5217SJeff Kirsher cpu_to_le32(U64_LO(fp->rx_desc_mapping + 962adfc5217SJeff Kirsher BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); 963adfc5217SJeff Kirsher } 964adfc5217SJeff Kirsher } 965adfc5217SJeff Kirsher 966adfc5217SJeff Kirsher /* Statistics ID are global per chip/path, while Client IDs for E1x are per 967adfc5217SJeff Kirsher * port. 968adfc5217SJeff Kirsher */ 969adfc5217SJeff Kirsher static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp) 970adfc5217SJeff Kirsher { 971de5c3741SYuval Mintz struct bnx2x *bp = fp->bp; 972de5c3741SYuval Mintz if (!CHIP_IS_E1x(bp)) { 973de5c3741SYuval Mintz #ifdef BCM_CNIC 974de5c3741SYuval Mintz /* there are special statistics counters for FCoE 136..140 */ 975de5c3741SYuval Mintz if (IS_FCOE_FP(fp)) 976de5c3741SYuval Mintz return bp->cnic_base_cl_id + (bp->pf_num >> 1); 977de5c3741SYuval Mintz #endif 978adfc5217SJeff Kirsher return fp->cl_id; 979de5c3741SYuval Mintz } 980de5c3741SYuval Mintz return fp->cl_id + BP_PORT(bp) * FP_SB_MAX_E1x; 981adfc5217SJeff Kirsher } 982adfc5217SJeff Kirsher 983adfc5217SJeff Kirsher static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp, 984adfc5217SJeff Kirsher bnx2x_obj_type obj_type) 985adfc5217SJeff Kirsher { 986adfc5217SJeff Kirsher struct bnx2x *bp = fp->bp; 987adfc5217SJeff Kirsher 988adfc5217SJeff Kirsher /* Configure classification DBs */ 98915192a8cSBarak Witkowski bnx2x_init_mac_obj(bp, &bnx2x_sp_obj(bp, fp).mac_obj, fp->cl_id, 99015192a8cSBarak Witkowski fp->cid, BP_FUNC(bp), bnx2x_sp(bp, mac_rdata), 991adfc5217SJeff Kirsher bnx2x_sp_mapping(bp, mac_rdata), 992adfc5217SJeff Kirsher BNX2X_FILTER_MAC_PENDING, 993adfc5217SJeff Kirsher &bp->sp_state, obj_type, 994adfc5217SJeff Kirsher &bp->macs_pool); 995adfc5217SJeff Kirsher } 996adfc5217SJeff Kirsher 997adfc5217SJeff Kirsher /** 998adfc5217SJeff Kirsher * bnx2x_get_path_func_num - get number of active functions 999adfc5217SJeff Kirsher * 1000adfc5217SJeff Kirsher * @bp: driver handle 1001adfc5217SJeff Kirsher * 1002adfc5217SJeff Kirsher * Calculates the number of active (not hidden) functions on the 1003adfc5217SJeff Kirsher * current path. 1004adfc5217SJeff Kirsher */ 1005adfc5217SJeff Kirsher static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp) 1006adfc5217SJeff Kirsher { 1007adfc5217SJeff Kirsher u8 func_num = 0, i; 1008adfc5217SJeff Kirsher 1009adfc5217SJeff Kirsher /* 57710 has only one function per-port */ 1010adfc5217SJeff Kirsher if (CHIP_IS_E1(bp)) 1011adfc5217SJeff Kirsher return 1; 1012adfc5217SJeff Kirsher 1013adfc5217SJeff Kirsher /* Calculate a number of functions enabled on the current 1014adfc5217SJeff Kirsher * PATH/PORT. 1015adfc5217SJeff Kirsher */ 1016adfc5217SJeff Kirsher if (CHIP_REV_IS_SLOW(bp)) { 1017adfc5217SJeff Kirsher if (IS_MF(bp)) 1018adfc5217SJeff Kirsher func_num = 4; 1019adfc5217SJeff Kirsher else 1020adfc5217SJeff Kirsher func_num = 2; 1021adfc5217SJeff Kirsher } else { 1022adfc5217SJeff Kirsher for (i = 0; i < E1H_FUNC_MAX / 2; i++) { 1023adfc5217SJeff Kirsher u32 func_config = 1024adfc5217SJeff Kirsher MF_CFG_RD(bp, 1025adfc5217SJeff Kirsher func_mf_config[BP_PORT(bp) + 2 * i]. 1026adfc5217SJeff Kirsher config); 1027adfc5217SJeff Kirsher func_num += 1028adfc5217SJeff Kirsher ((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1); 1029adfc5217SJeff Kirsher } 1030adfc5217SJeff Kirsher } 1031adfc5217SJeff Kirsher 1032adfc5217SJeff Kirsher WARN_ON(!func_num); 1033adfc5217SJeff Kirsher 1034adfc5217SJeff Kirsher return func_num; 1035adfc5217SJeff Kirsher } 1036adfc5217SJeff Kirsher 1037adfc5217SJeff Kirsher static inline void bnx2x_init_bp_objs(struct bnx2x *bp) 1038adfc5217SJeff Kirsher { 1039adfc5217SJeff Kirsher /* RX_MODE controlling object */ 1040adfc5217SJeff Kirsher bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj); 1041adfc5217SJeff Kirsher 1042adfc5217SJeff Kirsher /* multicast configuration controlling object */ 1043adfc5217SJeff Kirsher bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid, 1044adfc5217SJeff Kirsher BP_FUNC(bp), BP_FUNC(bp), 1045adfc5217SJeff Kirsher bnx2x_sp(bp, mcast_rdata), 1046adfc5217SJeff Kirsher bnx2x_sp_mapping(bp, mcast_rdata), 1047adfc5217SJeff Kirsher BNX2X_FILTER_MCAST_PENDING, &bp->sp_state, 1048adfc5217SJeff Kirsher BNX2X_OBJ_TYPE_RX); 1049adfc5217SJeff Kirsher 1050adfc5217SJeff Kirsher /* Setup CAM credit pools */ 1051adfc5217SJeff Kirsher bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp), 1052adfc5217SJeff Kirsher bnx2x_get_path_func_num(bp)); 1053adfc5217SJeff Kirsher 1054adfc5217SJeff Kirsher /* RSS configuration object */ 1055adfc5217SJeff Kirsher bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id, 1056adfc5217SJeff Kirsher bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp), 1057adfc5217SJeff Kirsher bnx2x_sp(bp, rss_rdata), 1058adfc5217SJeff Kirsher bnx2x_sp_mapping(bp, rss_rdata), 1059adfc5217SJeff Kirsher BNX2X_FILTER_RSS_CONF_PENDING, &bp->sp_state, 1060adfc5217SJeff Kirsher BNX2X_OBJ_TYPE_RX); 1061adfc5217SJeff Kirsher } 1062adfc5217SJeff Kirsher 1063adfc5217SJeff Kirsher static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp) 1064adfc5217SJeff Kirsher { 1065adfc5217SJeff Kirsher if (CHIP_IS_E1x(fp->bp)) 1066adfc5217SJeff Kirsher return fp->cl_id + BP_PORT(fp->bp) * ETH_MAX_RX_CLIENTS_E1H; 1067adfc5217SJeff Kirsher else 1068adfc5217SJeff Kirsher return fp->cl_id; 1069adfc5217SJeff Kirsher } 1070adfc5217SJeff Kirsher 1071adfc5217SJeff Kirsher static inline u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp) 1072adfc5217SJeff Kirsher { 1073adfc5217SJeff Kirsher struct bnx2x *bp = fp->bp; 1074adfc5217SJeff Kirsher 1075adfc5217SJeff Kirsher if (!CHIP_IS_E1x(bp)) 1076adfc5217SJeff Kirsher return USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id); 1077adfc5217SJeff Kirsher else 1078adfc5217SJeff Kirsher return USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id); 1079adfc5217SJeff Kirsher } 1080adfc5217SJeff Kirsher 1081adfc5217SJeff Kirsher static inline void bnx2x_init_txdata(struct bnx2x *bp, 108265565884SMerav Sicron struct bnx2x_fp_txdata *txdata, u32 cid, 108365565884SMerav Sicron int txq_index, __le16 *tx_cons_sb, 108465565884SMerav Sicron struct bnx2x_fastpath *fp) 1085adfc5217SJeff Kirsher { 1086adfc5217SJeff Kirsher txdata->cid = cid; 1087adfc5217SJeff Kirsher txdata->txq_index = txq_index; 1088adfc5217SJeff Kirsher txdata->tx_cons_sb = tx_cons_sb; 108965565884SMerav Sicron txdata->parent_fp = fp; 1090adfc5217SJeff Kirsher 109151c1a580SMerav Sicron DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n", 1092adfc5217SJeff Kirsher txdata->cid, txdata->txq_index); 1093adfc5217SJeff Kirsher } 1094adfc5217SJeff Kirsher 1095adfc5217SJeff Kirsher #ifdef BCM_CNIC 1096adfc5217SJeff Kirsher static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx) 1097adfc5217SJeff Kirsher { 1098adfc5217SJeff Kirsher return bp->cnic_base_cl_id + cl_idx + 10991805b2f0SDavid S. Miller (bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX; 1100adfc5217SJeff Kirsher } 1101adfc5217SJeff Kirsher 1102adfc5217SJeff Kirsher static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp) 1103adfc5217SJeff Kirsher { 1104adfc5217SJeff Kirsher 1105adfc5217SJeff Kirsher /* the 'first' id is allocated for the cnic */ 1106adfc5217SJeff Kirsher return bp->base_fw_ndsb; 1107adfc5217SJeff Kirsher } 1108adfc5217SJeff Kirsher 1109adfc5217SJeff Kirsher static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp) 1110adfc5217SJeff Kirsher { 1111adfc5217SJeff Kirsher return bp->igu_base_sb; 1112adfc5217SJeff Kirsher } 1113adfc5217SJeff Kirsher 1114adfc5217SJeff Kirsher 1115adfc5217SJeff Kirsher static inline void bnx2x_init_fcoe_fp(struct bnx2x *bp) 1116adfc5217SJeff Kirsher { 1117adfc5217SJeff Kirsher struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp); 1118adfc5217SJeff Kirsher unsigned long q_type = 0; 1119adfc5217SJeff Kirsher 1120f233cafeSDmitry Kravkov bnx2x_fcoe(bp, rx_queue) = BNX2X_NUM_ETH_QUEUES(bp); 1121adfc5217SJeff Kirsher bnx2x_fcoe(bp, cl_id) = bnx2x_cnic_eth_cl_id(bp, 1122adfc5217SJeff Kirsher BNX2X_FCOE_ETH_CL_ID_IDX); 112337ae41a9SMerav Sicron bnx2x_fcoe(bp, cid) = BNX2X_FCOE_ETH_CID(bp); 1124adfc5217SJeff Kirsher bnx2x_fcoe(bp, fw_sb_id) = DEF_SB_ID; 1125adfc5217SJeff Kirsher bnx2x_fcoe(bp, igu_sb_id) = bp->igu_dsb_id; 1126adfc5217SJeff Kirsher bnx2x_fcoe(bp, rx_cons_sb) = BNX2X_FCOE_L2_RX_INDEX; 112765565884SMerav Sicron bnx2x_init_txdata(bp, bnx2x_fcoe(bp, txdata_ptr[0]), 112865565884SMerav Sicron fp->cid, FCOE_TXQ_IDX(bp), BNX2X_FCOE_L2_TX_INDEX, 112965565884SMerav Sicron fp); 1130adfc5217SJeff Kirsher 113151c1a580SMerav Sicron DP(NETIF_MSG_IFUP, "created fcoe tx data (fp index %d)\n", fp->index); 1132adfc5217SJeff Kirsher 1133adfc5217SJeff Kirsher /* qZone id equals to FW (per path) client id */ 1134adfc5217SJeff Kirsher bnx2x_fcoe(bp, cl_qzone_id) = bnx2x_fp_qzone_id(fp); 1135adfc5217SJeff Kirsher /* init shortcut */ 1136adfc5217SJeff Kirsher bnx2x_fcoe(bp, ustorm_rx_prods_offset) = 1137adfc5217SJeff Kirsher bnx2x_rx_ustorm_prods_offset(fp); 1138adfc5217SJeff Kirsher 1139adfc5217SJeff Kirsher /* Configure Queue State object */ 1140adfc5217SJeff Kirsher __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1141adfc5217SJeff Kirsher __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1142adfc5217SJeff Kirsher 1143adfc5217SJeff Kirsher /* No multi-CoS for FCoE L2 client */ 1144adfc5217SJeff Kirsher BUG_ON(fp->max_cos != 1); 1145adfc5217SJeff Kirsher 114615192a8cSBarak Witkowski bnx2x_init_queue_obj(bp, &bnx2x_sp_obj(bp, fp).q_obj, fp->cl_id, 114715192a8cSBarak Witkowski &fp->cid, 1, BP_FUNC(bp), bnx2x_sp(bp, q_rdata), 1148adfc5217SJeff Kirsher bnx2x_sp_mapping(bp, q_rdata), q_type); 1149adfc5217SJeff Kirsher 115051c1a580SMerav Sicron DP(NETIF_MSG_IFUP, 115151c1a580SMerav Sicron "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n", 1152adfc5217SJeff Kirsher fp->index, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id, 1153adfc5217SJeff Kirsher fp->igu_sb_id); 1154adfc5217SJeff Kirsher } 1155adfc5217SJeff Kirsher #endif 1156adfc5217SJeff Kirsher 1157adfc5217SJeff Kirsher static inline int bnx2x_clean_tx_queue(struct bnx2x *bp, 1158adfc5217SJeff Kirsher struct bnx2x_fp_txdata *txdata) 1159adfc5217SJeff Kirsher { 1160adfc5217SJeff Kirsher int cnt = 1000; 1161adfc5217SJeff Kirsher 1162adfc5217SJeff Kirsher while (bnx2x_has_tx_work_unload(txdata)) { 1163adfc5217SJeff Kirsher if (!cnt) { 116451c1a580SMerav Sicron BNX2X_ERR("timeout waiting for queue[%d]: txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n", 1165adfc5217SJeff Kirsher txdata->txq_index, txdata->tx_pkt_prod, 1166adfc5217SJeff Kirsher txdata->tx_pkt_cons); 1167adfc5217SJeff Kirsher #ifdef BNX2X_STOP_ON_ERROR 1168adfc5217SJeff Kirsher bnx2x_panic(); 1169adfc5217SJeff Kirsher return -EBUSY; 1170adfc5217SJeff Kirsher #else 1171adfc5217SJeff Kirsher break; 1172adfc5217SJeff Kirsher #endif 1173adfc5217SJeff Kirsher } 1174adfc5217SJeff Kirsher cnt--; 1175adfc5217SJeff Kirsher usleep_range(1000, 1000); 1176adfc5217SJeff Kirsher } 1177adfc5217SJeff Kirsher 1178adfc5217SJeff Kirsher return 0; 1179adfc5217SJeff Kirsher } 1180adfc5217SJeff Kirsher 1181adfc5217SJeff Kirsher int bnx2x_get_link_cfg_idx(struct bnx2x *bp); 1182adfc5217SJeff Kirsher 1183adfc5217SJeff Kirsher static inline void __storm_memset_struct(struct bnx2x *bp, 1184adfc5217SJeff Kirsher u32 addr, size_t size, u32 *data) 1185adfc5217SJeff Kirsher { 1186adfc5217SJeff Kirsher int i; 1187adfc5217SJeff Kirsher for (i = 0; i < size/4; i++) 1188adfc5217SJeff Kirsher REG_WR(bp, addr + (i * 4), data[i]); 1189adfc5217SJeff Kirsher } 1190adfc5217SJeff Kirsher 1191adfc5217SJeff Kirsher /** 1192adfc5217SJeff Kirsher * bnx2x_wait_sp_comp - wait for the outstanding SP commands. 1193adfc5217SJeff Kirsher * 1194adfc5217SJeff Kirsher * @bp: driver handle 1195adfc5217SJeff Kirsher * @mask: bits that need to be cleared 1196adfc5217SJeff Kirsher */ 1197adfc5217SJeff Kirsher static inline bool bnx2x_wait_sp_comp(struct bnx2x *bp, unsigned long mask) 1198adfc5217SJeff Kirsher { 1199adfc5217SJeff Kirsher int tout = 5000; /* Wait for 5 secs tops */ 1200adfc5217SJeff Kirsher 1201adfc5217SJeff Kirsher while (tout--) { 1202adfc5217SJeff Kirsher smp_mb(); 1203adfc5217SJeff Kirsher netif_addr_lock_bh(bp->dev); 1204adfc5217SJeff Kirsher if (!(bp->sp_state & mask)) { 1205adfc5217SJeff Kirsher netif_addr_unlock_bh(bp->dev); 1206adfc5217SJeff Kirsher return true; 1207adfc5217SJeff Kirsher } 1208adfc5217SJeff Kirsher netif_addr_unlock_bh(bp->dev); 1209adfc5217SJeff Kirsher 1210adfc5217SJeff Kirsher usleep_range(1000, 1000); 1211adfc5217SJeff Kirsher } 1212adfc5217SJeff Kirsher 1213adfc5217SJeff Kirsher smp_mb(); 1214adfc5217SJeff Kirsher 1215adfc5217SJeff Kirsher netif_addr_lock_bh(bp->dev); 1216adfc5217SJeff Kirsher if (bp->sp_state & mask) { 121751c1a580SMerav Sicron BNX2X_ERR("Filtering completion timed out. sp_state 0x%lx, mask 0x%lx\n", 121851c1a580SMerav Sicron bp->sp_state, mask); 1219adfc5217SJeff Kirsher netif_addr_unlock_bh(bp->dev); 1220adfc5217SJeff Kirsher return false; 1221adfc5217SJeff Kirsher } 1222adfc5217SJeff Kirsher netif_addr_unlock_bh(bp->dev); 1223adfc5217SJeff Kirsher 1224adfc5217SJeff Kirsher return true; 1225adfc5217SJeff Kirsher } 1226adfc5217SJeff Kirsher 1227adfc5217SJeff Kirsher /** 1228adfc5217SJeff Kirsher * bnx2x_set_ctx_validation - set CDU context validation values 1229adfc5217SJeff Kirsher * 1230adfc5217SJeff Kirsher * @bp: driver handle 1231adfc5217SJeff Kirsher * @cxt: context of the connection on the host memory 1232adfc5217SJeff Kirsher * @cid: SW CID of the connection to be configured 1233adfc5217SJeff Kirsher */ 1234adfc5217SJeff Kirsher void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt, 1235adfc5217SJeff Kirsher u32 cid); 1236adfc5217SJeff Kirsher 1237adfc5217SJeff Kirsher void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id, 1238adfc5217SJeff Kirsher u8 sb_index, u8 disable, u16 usec); 1239adfc5217SJeff Kirsher void bnx2x_acquire_phy_lock(struct bnx2x *bp); 1240adfc5217SJeff Kirsher void bnx2x_release_phy_lock(struct bnx2x *bp); 1241adfc5217SJeff Kirsher 1242adfc5217SJeff Kirsher /** 1243adfc5217SJeff Kirsher * bnx2x_extract_max_cfg - extract MAX BW part from MF configuration. 1244adfc5217SJeff Kirsher * 1245adfc5217SJeff Kirsher * @bp: driver handle 1246adfc5217SJeff Kirsher * @mf_cfg: MF configuration 1247adfc5217SJeff Kirsher * 1248adfc5217SJeff Kirsher */ 1249adfc5217SJeff Kirsher static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg) 1250adfc5217SJeff Kirsher { 1251adfc5217SJeff Kirsher u16 max_cfg = (mf_cfg & FUNC_MF_CFG_MAX_BW_MASK) >> 1252adfc5217SJeff Kirsher FUNC_MF_CFG_MAX_BW_SHIFT; 1253adfc5217SJeff Kirsher if (!max_cfg) { 125451c1a580SMerav Sicron DP(NETIF_MSG_IFUP | BNX2X_MSG_ETHTOOL, 125596b0accbSMichal Schmidt "Max BW configured to 0 - using 100 instead\n"); 1256adfc5217SJeff Kirsher max_cfg = 100; 1257adfc5217SJeff Kirsher } 1258adfc5217SJeff Kirsher return max_cfg; 1259adfc5217SJeff Kirsher } 1260adfc5217SJeff Kirsher 1261621b4d66SDmitry Kravkov /* checks if HW supports GRO for given MTU */ 1262621b4d66SDmitry Kravkov static inline bool bnx2x_mtu_allows_gro(int mtu) 1263621b4d66SDmitry Kravkov { 1264621b4d66SDmitry Kravkov /* gro frags per page */ 1265621b4d66SDmitry Kravkov int fpp = SGE_PAGE_SIZE / (mtu - ETH_MAX_TPA_HEADER_SIZE); 1266621b4d66SDmitry Kravkov 1267621b4d66SDmitry Kravkov /* 1268621b4d66SDmitry Kravkov * 1. number of frags should not grow above MAX_SKB_FRAGS 1269621b4d66SDmitry Kravkov * 2. frag must fit the page 1270621b4d66SDmitry Kravkov */ 1271621b4d66SDmitry Kravkov return mtu <= SGE_PAGE_SIZE && (U_ETH_SGL_SIZE * fpp) <= MAX_SKB_FRAGS; 1272621b4d66SDmitry Kravkov } 12733b603066SYuval Mintz #ifdef BCM_CNIC 12741355b704SMintz Yuval /** 1275b306f5edSDmitry Kravkov * bnx2x_get_iscsi_info - update iSCSI params according to licensing info. 1276b306f5edSDmitry Kravkov * 1277b306f5edSDmitry Kravkov * @bp: driver handle 1278b306f5edSDmitry Kravkov * 1279b306f5edSDmitry Kravkov */ 1280b306f5edSDmitry Kravkov void bnx2x_get_iscsi_info(struct bnx2x *bp); 12813b603066SYuval Mintz #endif 128200253a8cSDmitry Kravkov 128300253a8cSDmitry Kravkov /** 128400253a8cSDmitry Kravkov * bnx2x_link_sync_notify - send notification to other functions. 128500253a8cSDmitry Kravkov * 128600253a8cSDmitry Kravkov * @bp: driver handle 128700253a8cSDmitry Kravkov * 128800253a8cSDmitry Kravkov */ 128900253a8cSDmitry Kravkov static inline void bnx2x_link_sync_notify(struct bnx2x *bp) 129000253a8cSDmitry Kravkov { 129100253a8cSDmitry Kravkov int func; 129200253a8cSDmitry Kravkov int vn; 129300253a8cSDmitry Kravkov 129400253a8cSDmitry Kravkov /* Set the attention towards other drivers on the same port */ 129500253a8cSDmitry Kravkov for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) { 129600253a8cSDmitry Kravkov if (vn == BP_VN(bp)) 129700253a8cSDmitry Kravkov continue; 129800253a8cSDmitry Kravkov 129900253a8cSDmitry Kravkov func = func_by_vn(bp, vn); 130000253a8cSDmitry Kravkov REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 + 130100253a8cSDmitry Kravkov (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1); 130200253a8cSDmitry Kravkov } 130300253a8cSDmitry Kravkov } 130400253a8cSDmitry Kravkov 130500253a8cSDmitry Kravkov /** 130600253a8cSDmitry Kravkov * bnx2x_update_drv_flags - update flags in shmem 130700253a8cSDmitry Kravkov * 130800253a8cSDmitry Kravkov * @bp: driver handle 130900253a8cSDmitry Kravkov * @flags: flags to update 131000253a8cSDmitry Kravkov * @set: set or clear 131100253a8cSDmitry Kravkov * 131200253a8cSDmitry Kravkov */ 131300253a8cSDmitry Kravkov static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set) 131400253a8cSDmitry Kravkov { 131500253a8cSDmitry Kravkov if (SHMEM2_HAS(bp, drv_flags)) { 131600253a8cSDmitry Kravkov u32 drv_flags; 1317f16da43bSAriel Elior bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS); 131800253a8cSDmitry Kravkov drv_flags = SHMEM2_RD(bp, drv_flags); 131900253a8cSDmitry Kravkov 132000253a8cSDmitry Kravkov if (set) 132100253a8cSDmitry Kravkov SET_FLAGS(drv_flags, flags); 132200253a8cSDmitry Kravkov else 132300253a8cSDmitry Kravkov RESET_FLAGS(drv_flags, flags); 132400253a8cSDmitry Kravkov 132500253a8cSDmitry Kravkov SHMEM2_WR(bp, drv_flags, drv_flags); 132651c1a580SMerav Sicron DP(NETIF_MSG_IFUP, "drv_flags 0x%08x\n", drv_flags); 1327f16da43bSAriel Elior bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS); 132800253a8cSDmitry Kravkov } 132900253a8cSDmitry Kravkov } 133000253a8cSDmitry Kravkov 1331614c76dfSDmitry Kravkov static inline bool bnx2x_is_valid_ether_addr(struct bnx2x *bp, u8 *addr) 1332614c76dfSDmitry Kravkov { 1333614c76dfSDmitry Kravkov if (is_valid_ether_addr(addr)) 1334614c76dfSDmitry Kravkov return true; 1335614c76dfSDmitry Kravkov #ifdef BCM_CNIC 1336a3348722SBarak Witkowski if (is_zero_ether_addr(addr) && 1337a3348722SBarak Witkowski (IS_MF_STORAGE_SD(bp) || IS_MF_FCOE_AFEX(bp))) 1338614c76dfSDmitry Kravkov return true; 1339614c76dfSDmitry Kravkov #endif 1340614c76dfSDmitry Kravkov return false; 1341614c76dfSDmitry Kravkov } 1342614c76dfSDmitry Kravkov 1343adfc5217SJeff Kirsher #endif /* BNX2X_CMN_H */ 1344