1677 lines
41 KiB
C
1677 lines
41 KiB
C
/* bnx2x_cmn.h: Broadcom Everest network driver.
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*
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* Copyright (c) 2007-2012 Broadcom Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*
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* Maintained by: Eilon Greenstein <eilong@broadcom.com>
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* Written by: Eliezer Tamir
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* Based on code from Michael Chan's bnx2 driver
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* UDP CSUM errata workaround by Arik Gendelman
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* Slowpath and fastpath rework by Vladislav Zolotarov
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* Statistics and Link management by Yitchak Gertner
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*
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*/
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#ifndef BNX2X_CMN_H
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#define BNX2X_CMN_H
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include "bnx2x.h"
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/* This is used as a replacement for an MCP if it's not present */
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extern int load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */
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extern int num_queues;
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/************************ Macros ********************************/
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#define BNX2X_PCI_FREE(x, y, size) \
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do { \
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if (x) { \
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dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
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x = NULL; \
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y = 0; \
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} \
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} while (0)
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#define BNX2X_FREE(x) \
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do { \
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if (x) { \
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kfree((void *)x); \
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x = NULL; \
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} \
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} while (0)
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#define BNX2X_PCI_ALLOC(x, y, size) \
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do { \
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x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
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if (x == NULL) \
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goto alloc_mem_err; \
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memset((void *)x, 0, size); \
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} while (0)
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#define BNX2X_ALLOC(x, size) \
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do { \
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x = kzalloc(size, GFP_KERNEL); \
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if (x == NULL) \
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goto alloc_mem_err; \
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} while (0)
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/*********************** Interfaces ****************************
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* Functions that need to be implemented by each driver version
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*/
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/* Init */
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/**
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* bnx2x_send_unload_req - request unload mode from the MCP.
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*
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* @bp: driver handle
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* @unload_mode: requested function's unload mode
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*
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* Return unload mode returned by the MCP: COMMON, PORT or FUNC.
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*/
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u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode);
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/**
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* bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
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*
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* @bp: driver handle
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*/
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void bnx2x_send_unload_done(struct bnx2x *bp);
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/**
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* bnx2x_config_rss_pf - configure RSS parameters.
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*
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* @bp: driver handle
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* @ind_table: indirection table to configure
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* @config_hash: re-configure RSS hash keys configuration
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*/
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int bnx2x_config_rss_pf(struct bnx2x *bp, u8 *ind_table, bool config_hash);
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/**
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* bnx2x__init_func_obj - init function object
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*
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* @bp: driver handle
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*
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* Initializes the Function Object with the appropriate
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* parameters which include a function slow path driver
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* interface.
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*/
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void bnx2x__init_func_obj(struct bnx2x *bp);
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/**
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* bnx2x_setup_queue - setup eth queue.
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*
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* @bp: driver handle
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* @fp: pointer to the fastpath structure
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* @leading: boolean
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*
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*/
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int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
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bool leading);
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/**
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* bnx2x_setup_leading - bring up a leading eth queue.
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*
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* @bp: driver handle
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*/
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int bnx2x_setup_leading(struct bnx2x *bp);
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/**
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* bnx2x_fw_command - send the MCP a request
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*
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* @bp: driver handle
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* @command: request
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* @param: request's parameter
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*
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* block until there is a reply
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*/
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u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param);
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/**
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* bnx2x_initial_phy_init - initialize link parameters structure variables.
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*
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* @bp: driver handle
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* @load_mode: current mode
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*/
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u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode);
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/**
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* bnx2x_link_set - configure hw according to link parameters structure.
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*
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* @bp: driver handle
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*/
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void bnx2x_link_set(struct bnx2x *bp);
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/**
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* bnx2x_link_test - query link status.
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*
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* @bp: driver handle
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* @is_serdes: bool
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*
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* Returns 0 if link is UP.
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*/
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u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes);
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/**
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* bnx2x_drv_pulse - write driver pulse to shmem
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*
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* @bp: driver handle
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*
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* writes the value in bp->fw_drv_pulse_wr_seq to drv_pulse mbox
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* in the shmem.
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*/
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void bnx2x_drv_pulse(struct bnx2x *bp);
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/**
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* bnx2x_igu_ack_sb - update IGU with current SB value
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*
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* @bp: driver handle
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* @igu_sb_id: SB id
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* @segment: SB segment
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* @index: SB index
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* @op: SB operation
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* @update: is HW update required
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*/
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void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
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u16 index, u8 op, u8 update);
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/* Disable transactions from chip to host */
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void bnx2x_pf_disable(struct bnx2x *bp);
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/**
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* bnx2x__link_status_update - handles link status change.
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*
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* @bp: driver handle
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*/
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void bnx2x__link_status_update(struct bnx2x *bp);
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/**
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* bnx2x_link_report - report link status to upper layer.
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*
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* @bp: driver handle
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*/
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void bnx2x_link_report(struct bnx2x *bp);
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/* None-atomic version of bnx2x_link_report() */
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void __bnx2x_link_report(struct bnx2x *bp);
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/**
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* bnx2x_get_mf_speed - calculate MF speed.
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*
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* @bp: driver handle
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*
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* Takes into account current linespeed and MF configuration.
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*/
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u16 bnx2x_get_mf_speed(struct bnx2x *bp);
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/**
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* bnx2x_msix_sp_int - MSI-X slowpath interrupt handler
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*
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* @irq: irq number
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* @dev_instance: private instance
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*/
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irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance);
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/**
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* bnx2x_interrupt - non MSI-X interrupt handler
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*
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* @irq: irq number
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* @dev_instance: private instance
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*/
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irqreturn_t bnx2x_interrupt(int irq, void *dev_instance);
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#ifdef BCM_CNIC
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/**
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* bnx2x_cnic_notify - send command to cnic driver
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*
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* @bp: driver handle
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* @cmd: command
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*/
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int bnx2x_cnic_notify(struct bnx2x *bp, int cmd);
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/**
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* bnx2x_setup_cnic_irq_info - provides cnic with IRQ information
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*
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* @bp: driver handle
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*/
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void bnx2x_setup_cnic_irq_info(struct bnx2x *bp);
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#endif
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/**
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* bnx2x_int_enable - enable HW interrupts.
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*
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* @bp: driver handle
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*/
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void bnx2x_int_enable(struct bnx2x *bp);
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/**
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* bnx2x_int_disable_sync - disable interrupts.
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*
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* @bp: driver handle
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* @disable_hw: true, disable HW interrupts.
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*
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* This function ensures that there are no
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* ISRs or SP DPCs (sp_task) are running after it returns.
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*/
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void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw);
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/**
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* bnx2x_nic_init - init driver internals.
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*
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* @bp: driver handle
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* @load_code: COMMON, PORT or FUNCTION
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*
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* Initializes:
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* - rings
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* - status blocks
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* - etc.
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*/
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void bnx2x_nic_init(struct bnx2x *bp, u32 load_code);
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/**
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* bnx2x_alloc_mem - allocate driver's memory.
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*
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* @bp: driver handle
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*/
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int bnx2x_alloc_mem(struct bnx2x *bp);
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/**
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* bnx2x_free_mem - release driver's memory.
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*
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* @bp: driver handle
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*/
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void bnx2x_free_mem(struct bnx2x *bp);
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/**
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* bnx2x_set_num_queues - set number of queues according to mode.
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*
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* @bp: driver handle
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*/
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void bnx2x_set_num_queues(struct bnx2x *bp);
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/**
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* bnx2x_chip_cleanup - cleanup chip internals.
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*
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* @bp: driver handle
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* @unload_mode: COMMON, PORT, FUNCTION
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*
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* - Cleanup MAC configuration.
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* - Closes clients.
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* - etc.
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*/
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void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode);
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/**
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* bnx2x_acquire_hw_lock - acquire HW lock.
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*
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* @bp: driver handle
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* @resource: resource bit which was locked
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*/
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int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource);
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/**
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* bnx2x_release_hw_lock - release HW lock.
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*
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* @bp: driver handle
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* @resource: resource bit which was locked
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*/
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int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource);
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/**
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* bnx2x_release_leader_lock - release recovery leader lock
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*
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* @bp: driver handle
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*/
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int bnx2x_release_leader_lock(struct bnx2x *bp);
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/**
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* bnx2x_set_eth_mac - configure eth MAC address in the HW
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*
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* @bp: driver handle
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* @set: set or clear
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*
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* Configures according to the value in netdev->dev_addr.
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*/
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int bnx2x_set_eth_mac(struct bnx2x *bp, bool set);
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/**
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* bnx2x_set_rx_mode - set MAC filtering configurations.
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*
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* @dev: netdevice
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*
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* called with netif_tx_lock from dev_mcast.c
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* If bp->state is OPEN, should be called with
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* netif_addr_lock_bh()
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*/
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void bnx2x_set_rx_mode(struct net_device *dev);
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/**
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* bnx2x_set_storm_rx_mode - configure MAC filtering rules in a FW.
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*
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* @bp: driver handle
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*
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* If bp->state is OPEN, should be called with
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* netif_addr_lock_bh().
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*/
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void bnx2x_set_storm_rx_mode(struct bnx2x *bp);
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/**
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* bnx2x_set_q_rx_mode - configures rx_mode for a single queue.
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*
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* @bp: driver handle
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* @cl_id: client id
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* @rx_mode_flags: rx mode configuration
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* @rx_accept_flags: rx accept configuration
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* @tx_accept_flags: tx accept configuration (tx switch)
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* @ramrod_flags: ramrod configuration
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*/
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void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
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unsigned long rx_mode_flags,
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unsigned long rx_accept_flags,
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unsigned long tx_accept_flags,
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unsigned long ramrod_flags);
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/* Parity errors related */
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void bnx2x_set_pf_load(struct bnx2x *bp);
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bool bnx2x_clear_pf_load(struct bnx2x *bp);
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bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print);
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bool bnx2x_reset_is_done(struct bnx2x *bp, int engine);
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void bnx2x_set_reset_in_progress(struct bnx2x *bp);
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void bnx2x_set_reset_global(struct bnx2x *bp);
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void bnx2x_disable_close_the_gate(struct bnx2x *bp);
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/**
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* bnx2x_sp_event - handle ramrods completion.
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*
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* @fp: fastpath handle for the event
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* @rr_cqe: eth_rx_cqe
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*/
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void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe);
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/**
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* bnx2x_ilt_set_info - prepare ILT configurations.
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*
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* @bp: driver handle
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*/
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void bnx2x_ilt_set_info(struct bnx2x *bp);
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/**
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* bnx2x_dcbx_init - initialize dcbx protocol.
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*
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* @bp: driver handle
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*/
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void bnx2x_dcbx_init(struct bnx2x *bp);
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/**
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* bnx2x_set_power_state - set power state to the requested value.
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*
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* @bp: driver handle
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* @state: required state D0 or D3hot
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*
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* Currently only D0 and D3hot are supported.
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*/
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int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state);
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/**
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* bnx2x_update_max_mf_config - update MAX part of MF configuration in HW.
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*
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* @bp: driver handle
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* @value: new value
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*/
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void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value);
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/* Error handling */
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void bnx2x_panic_dump(struct bnx2x *bp);
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void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl);
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/* validate currect fw is loaded */
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bool bnx2x_test_firmware_version(struct bnx2x *bp, bool is_err);
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/* dev_close main block */
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int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode);
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/* dev_open main block */
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int bnx2x_nic_load(struct bnx2x *bp, int load_mode);
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/* hard_xmit callback */
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netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev);
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/* setup_tc callback */
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int bnx2x_setup_tc(struct net_device *dev, u8 num_tc);
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/* select_queue callback */
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u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb);
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/* reload helper */
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int bnx2x_reload_if_running(struct net_device *dev);
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int bnx2x_change_mac_addr(struct net_device *dev, void *p);
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/* NAPI poll Rx part */
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int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget);
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void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
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u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod);
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/* NAPI poll Tx part */
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int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata);
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/* suspend/resume callbacks */
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int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state);
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int bnx2x_resume(struct pci_dev *pdev);
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/* Release IRQ vectors */
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void bnx2x_free_irq(struct bnx2x *bp);
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void bnx2x_free_fp_mem(struct bnx2x *bp);
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int bnx2x_alloc_fp_mem(struct bnx2x *bp);
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void bnx2x_init_rx_rings(struct bnx2x *bp);
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void bnx2x_free_skbs(struct bnx2x *bp);
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void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw);
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void bnx2x_netif_start(struct bnx2x *bp);
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/**
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* bnx2x_enable_msix - set msix configuration.
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*
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* @bp: driver handle
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*
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* fills msix_table, requests vectors, updates num_queues
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* according to number of available vectors.
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*/
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int bnx2x_enable_msix(struct bnx2x *bp);
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/**
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* bnx2x_enable_msi - request msi mode from OS, updated internals accordingly
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*
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* @bp: driver handle
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*/
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int bnx2x_enable_msi(struct bnx2x *bp);
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/**
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* bnx2x_poll - NAPI callback
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*
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* @napi: napi structure
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* @budget:
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*
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*/
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int bnx2x_poll(struct napi_struct *napi, int budget);
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/**
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* bnx2x_alloc_mem_bp - allocate memories outsize main driver structure
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*
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* @bp: driver handle
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*/
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int __devinit bnx2x_alloc_mem_bp(struct bnx2x *bp);
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/**
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* bnx2x_free_mem_bp - release memories outsize main driver structure
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*
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* @bp: driver handle
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*/
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void bnx2x_free_mem_bp(struct bnx2x *bp);
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/**
|
|
* 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);
|
|
|
|
#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
|
|
/**
|
|
* 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);
|
|
|
|
/*********************** 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_update_rx_prod_gen(struct bnx2x *bp,
|
|
struct bnx2x_fastpath *fp, u16 bd_prod,
|
|
u16 rx_comp_prod, u16 rx_sge_prod, u32 start)
|
|
{
|
|
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, start + 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);
|
|
}
|
|
|
|
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_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
|
|
u8 idu_sb_id, bool is_Pf)
|
|
{
|
|
u32 data, ctl, cnt = 100;
|
|
u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
|
|
u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
|
|
u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
|
|
u32 sb_bit = 1 << (idu_sb_id%32);
|
|
u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
|
|
u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
|
|
|
|
/* Not supported in BC mode */
|
|
if (CHIP_INT_MODE_IS_BC(bp))
|
|
return;
|
|
|
|
data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup
|
|
<< IGU_REGULAR_CLEANUP_TYPE_SHIFT) |
|
|
IGU_REGULAR_CLEANUP_SET |
|
|
IGU_REGULAR_BCLEANUP;
|
|
|
|
ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
|
|
func_encode << IGU_CTRL_REG_FID_SHIFT |
|
|
IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
|
|
|
|
DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
|
|
data, igu_addr_data);
|
|
REG_WR(bp, igu_addr_data, data);
|
|
mmiowb();
|
|
barrier();
|
|
DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
|
|
ctl, igu_addr_ctl);
|
|
REG_WR(bp, igu_addr_ctl, ctl);
|
|
mmiowb();
|
|
barrier();
|
|
|
|
/* wait for clean up to finish */
|
|
while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt)
|
|
msleep(20);
|
|
|
|
|
|
if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) {
|
|
DP(NETIF_MSG_HW,
|
|
"Unable to finish IGU cleanup: idu_sb_id %d offset %d bit %d (cnt %d)\n",
|
|
idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt);
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
/* NUM_TX_RINGS = number of "next-page" entries
|
|
It will be used as a threshold */
|
|
used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
|
|
|
|
#ifdef BNX2X_STOP_ON_ERROR
|
|
WARN_ON(used < 0);
|
|
WARN_ON(used > bp->tx_ring_size);
|
|
WARN_ON((bp->tx_ring_size - used) > MAX_TX_AVAIL);
|
|
#endif
|
|
|
|
return (s16)(bp->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[cos]))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
|
|
{
|
|
u16 rx_cons_sb;
|
|
|
|
/* Tell compiler that status block fields can change */
|
|
barrier();
|
|
rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
|
|
if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
|
|
rx_cons_sb++;
|
|
return (fp->rx_comp_cons != rx_cons_sb);
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
|
|
dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping),
|
|
SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE);
|
|
__free_pages(page, PAGES_PER_SGE_SHIFT);
|
|
|
|
sw_buf->page = NULL;
|
|
sge->addr_hi = 0;
|
|
sge->addr_lo = 0;
|
|
}
|
|
|
|
static inline void bnx2x_add_all_napi(struct bnx2x *bp)
|
|
{
|
|
int i;
|
|
|
|
/* Add NAPI objects */
|
|
for_each_rx_queue(bp, i)
|
|
netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
|
|
bnx2x_poll, BNX2X_NAPI_WEIGHT);
|
|
}
|
|
|
|
static inline void bnx2x_del_all_napi(struct bnx2x *bp)
|
|
{
|
|
int i;
|
|
|
|
for_each_rx_queue(bp, i)
|
|
netif_napi_del(&bnx2x_fp(bp, i, napi));
|
|
}
|
|
|
|
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;
|
|
} else if (bp->flags & USING_MSI_FLAG) {
|
|
pci_disable_msi(bp->pdev);
|
|
bp->flags &= ~USING_MSI_FLAG;
|
|
}
|
|
}
|
|
|
|
static inline int bnx2x_calc_num_queues(struct bnx2x *bp)
|
|
{
|
|
return num_queues ?
|
|
min_t(int, num_queues, BNX2X_MAX_QUEUES(bp)) :
|
|
min_t(int, num_online_cpus(), BNX2X_MAX_QUEUES(bp));
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
|
|
struct bnx2x_fastpath *fp, u16 index)
|
|
{
|
|
struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
|
|
struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
|
|
struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
|
|
dma_addr_t mapping;
|
|
|
|
if (unlikely(page == NULL)) {
|
|
BNX2X_ERR("Can't alloc sge\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
mapping = dma_map_page(&bp->pdev->dev, page, 0,
|
|
SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE);
|
|
if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
|
|
__free_pages(page, PAGES_PER_SGE_SHIFT);
|
|
BNX2X_ERR("Can't map sge\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sw_buf->page = page;
|
|
dma_unmap_addr_set(sw_buf, mapping, mapping);
|
|
|
|
sge->addr_hi = cpu_to_le32(U64_HI(mapping));
|
|
sge->addr_lo = cpu_to_le32(U64_LO(mapping));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int bnx2x_alloc_rx_data(struct bnx2x *bp,
|
|
struct bnx2x_fastpath *fp, u16 index)
|
|
{
|
|
u8 *data;
|
|
struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
|
|
struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
|
|
dma_addr_t mapping;
|
|
|
|
data = kmalloc(fp->rx_buf_size + NET_SKB_PAD, GFP_ATOMIC);
|
|
if (unlikely(data == NULL))
|
|
return -ENOMEM;
|
|
|
|
mapping = dma_map_single(&bp->pdev->dev, data + NET_SKB_PAD,
|
|
fp->rx_buf_size,
|
|
DMA_FROM_DEVICE);
|
|
if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
|
|
kfree(data);
|
|
BNX2X_ERR("Can't map rx data\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
rx_buf->data = data;
|
|
dma_unmap_addr_set(rx_buf, mapping, mapping);
|
|
|
|
rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
|
|
rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* 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 ******************************************/
|
|
|
|
/**
|
|
* 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;
|
|
|
|
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;
|
|
|
|
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(u16 *fw_hi, u16 *fw_mid, u16 *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_sge_range(struct bnx2x *bp,
|
|
struct bnx2x_fastpath *fp, int last)
|
|
{
|
|
int i;
|
|
|
|
if (fp->disable_tpa)
|
|
return;
|
|
|
|
for (i = 0; i < last; i++)
|
|
bnx2x_free_rx_sge(bp, fp, i);
|
|
}
|
|
|
|
static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
|
|
struct bnx2x_fastpath *fp, int last)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < last; i++) {
|
|
struct bnx2x_agg_info *tpa_info = &fp->tpa_info[i];
|
|
struct sw_rx_bd *first_buf = &tpa_info->first_buf;
|
|
u8 *data = first_buf->data;
|
|
|
|
if (data == NULL) {
|
|
DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
|
|
continue;
|
|
}
|
|
if (tpa_info->tpa_state == BNX2X_TPA_START)
|
|
dma_unmap_single(&bp->pdev->dev,
|
|
dma_unmap_addr(first_buf, mapping),
|
|
fp->rx_buf_size, DMA_FROM_DEVICE);
|
|
kfree(data);
|
|
first_buf->data = NULL;
|
|
}
|
|
}
|
|
|
|
static inline void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i <= NUM_TX_RINGS; i++) {
|
|
struct eth_tx_next_bd *tx_next_bd =
|
|
&txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
|
|
|
|
tx_next_bd->addr_hi =
|
|
cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
|
|
BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
|
|
tx_next_bd->addr_lo =
|
|
cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
|
|
BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
|
|
}
|
|
|
|
SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
|
|
txdata->tx_db.data.zero_fill1 = 0;
|
|
txdata->tx_db.data.prod = 0;
|
|
|
|
txdata->tx_pkt_prod = 0;
|
|
txdata->tx_pkt_cons = 0;
|
|
txdata->tx_bd_prod = 0;
|
|
txdata->tx_bd_cons = 0;
|
|
txdata->tx_pkt = 0;
|
|
}
|
|
|
|
static inline void bnx2x_init_tx_rings(struct bnx2x *bp)
|
|
{
|
|
int i;
|
|
u8 cos;
|
|
|
|
for_each_tx_queue(bp, i)
|
|
for_each_cos_in_tx_queue(&bp->fp[i], cos)
|
|
bnx2x_init_tx_ring_one(&bp->fp[i].txdata[cos]);
|
|
}
|
|
|
|
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)));
|
|
}
|
|
}
|
|
|
|
static inline void bnx2x_set_next_page_sgl(struct bnx2x_fastpath *fp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
|
|
struct eth_rx_sge *sge;
|
|
|
|
sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
|
|
sge->addr_hi =
|
|
cpu_to_le32(U64_HI(fp->rx_sge_mapping +
|
|
BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
|
|
|
|
sge->addr_lo =
|
|
cpu_to_le32(U64_LO(fp->rx_sge_mapping +
|
|
BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
|
|
}
|
|
}
|
|
|
|
static inline void bnx2x_set_next_page_rx_cq(struct bnx2x_fastpath *fp)
|
|
{
|
|
int i;
|
|
for (i = 1; i <= NUM_RCQ_RINGS; i++) {
|
|
struct eth_rx_cqe_next_page *nextpg;
|
|
|
|
nextpg = (struct eth_rx_cqe_next_page *)
|
|
&fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
|
|
nextpg->addr_hi =
|
|
cpu_to_le32(U64_HI(fp->rx_comp_mapping +
|
|
BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
|
|
nextpg->addr_lo =
|
|
cpu_to_le32(U64_LO(fp->rx_comp_mapping +
|
|
BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
|
|
}
|
|
}
|
|
|
|
/* Returns the number of actually allocated BDs */
|
|
static inline int bnx2x_alloc_rx_bds(struct bnx2x_fastpath *fp,
|
|
int rx_ring_size)
|
|
{
|
|
struct bnx2x *bp = fp->bp;
|
|
u16 ring_prod, cqe_ring_prod;
|
|
int i, failure_cnt = 0;
|
|
|
|
fp->rx_comp_cons = 0;
|
|
cqe_ring_prod = ring_prod = 0;
|
|
|
|
/* This routine is called only during fo init so
|
|
* fp->eth_q_stats.rx_skb_alloc_failed = 0
|
|
*/
|
|
for (i = 0; i < rx_ring_size; i++) {
|
|
if (bnx2x_alloc_rx_data(bp, fp, ring_prod) < 0) {
|
|
failure_cnt++;
|
|
continue;
|
|
}
|
|
ring_prod = NEXT_RX_IDX(ring_prod);
|
|
cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
|
|
WARN_ON(ring_prod <= (i - failure_cnt));
|
|
}
|
|
|
|
if (failure_cnt)
|
|
BNX2X_ERR("was only able to allocate %d rx skbs on queue[%d]\n",
|
|
i - failure_cnt, fp->index);
|
|
|
|
fp->rx_bd_prod = ring_prod;
|
|
/* Limit the CQE producer by the CQE ring size */
|
|
fp->rx_comp_prod = min_t(u16, NUM_RCQ_RINGS*RCQ_DESC_CNT,
|
|
cqe_ring_prod);
|
|
fp->rx_pkt = fp->rx_calls = 0;
|
|
|
|
fp->eth_q_stats.rx_skb_alloc_failed += failure_cnt;
|
|
|
|
return i - failure_cnt;
|
|
}
|
|
|
|
/* 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)) {
|
|
#ifdef BCM_CNIC
|
|
/* there are special statistics counters for FCoE 136..140 */
|
|
if (IS_FCOE_FP(fp))
|
|
return bp->cnic_base_cl_id + (bp->pf_num >> 1);
|
|
#endif
|
|
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, &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);
|
|
}
|
|
|
|
/**
|
|
* 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));
|
|
|
|
/* 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);
|
|
}
|
|
|
|
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 u32 bnx2x_rx_ustorm_prods_offset(struct bnx2x_fastpath *fp)
|
|
{
|
|
struct bnx2x *bp = fp->bp;
|
|
|
|
if (!CHIP_IS_E1x(bp))
|
|
return USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id);
|
|
else
|
|
return USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), 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)
|
|
{
|
|
txdata->cid = cid;
|
|
txdata->txq_index = txq_index;
|
|
txdata->tx_cons_sb = tx_cons_sb;
|
|
|
|
DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n",
|
|
txdata->cid, txdata->txq_index);
|
|
}
|
|
|
|
#ifdef BCM_CNIC
|
|
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 void bnx2x_init_fcoe_fp(struct bnx2x *bp)
|
|
{
|
|
struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
|
|
unsigned long q_type = 0;
|
|
|
|
bnx2x_fcoe(bp, rx_queue) = BNX2X_NUM_ETH_QUEUES(bp);
|
|
bnx2x_fcoe(bp, cl_id) = bnx2x_cnic_eth_cl_id(bp,
|
|
BNX2X_FCOE_ETH_CL_ID_IDX);
|
|
/** Current BNX2X_FCOE_ETH_CID deffinition implies not more than
|
|
* 16 ETH clients per function when CNIC is enabled!
|
|
*
|
|
* Fix it ASAP!!!
|
|
*/
|
|
bnx2x_fcoe(bp, cid) = BNX2X_FCOE_ETH_CID;
|
|
bnx2x_fcoe(bp, fw_sb_id) = DEF_SB_ID;
|
|
bnx2x_fcoe(bp, igu_sb_id) = bp->igu_dsb_id;
|
|
bnx2x_fcoe(bp, rx_cons_sb) = BNX2X_FCOE_L2_RX_INDEX;
|
|
|
|
bnx2x_init_txdata(bp, &bnx2x_fcoe(bp, txdata[0]),
|
|
fp->cid, FCOE_TXQ_IDX(bp), BNX2X_FCOE_L2_TX_INDEX);
|
|
|
|
DP(NETIF_MSG_IFUP, "created fcoe tx data (fp index %d)\n", fp->index);
|
|
|
|
/* qZone id equals to FW (per path) client id */
|
|
bnx2x_fcoe(bp, cl_qzone_id) = bnx2x_fp_qzone_id(fp);
|
|
/* init shortcut */
|
|
bnx2x_fcoe(bp, ustorm_rx_prods_offset) =
|
|
bnx2x_rx_ustorm_prods_offset(fp);
|
|
|
|
/* Configure Queue State object */
|
|
__set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
|
|
__set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
|
|
|
|
/* No multi-CoS for FCoE L2 client */
|
|
BUG_ON(fp->max_cos != 1);
|
|
|
|
bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, &fp->cid, 1,
|
|
BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
|
|
bnx2x_sp_mapping(bp, q_rdata), q_type);
|
|
|
|
DP(NETIF_MSG_IFUP,
|
|
"queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
|
|
fp->index, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
|
|
fp->igu_sb_id);
|
|
}
|
|
#endif
|
|
|
|
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, 1000);
|
|
}
|
|
|
|
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]);
|
|
}
|
|
|
|
static inline void storm_memset_func_cfg(struct bnx2x *bp,
|
|
struct tstorm_eth_function_common_config *tcfg,
|
|
u16 abs_fid)
|
|
{
|
|
size_t size = sizeof(struct tstorm_eth_function_common_config);
|
|
|
|
u32 addr = BAR_TSTRORM_INTMEM +
|
|
TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
|
|
|
|
__storm_memset_struct(bp, addr, size, (u32 *)tcfg);
|
|
}
|
|
|
|
static inline void storm_memset_cmng(struct bnx2x *bp,
|
|
struct cmng_struct_per_port *cmng,
|
|
u8 port)
|
|
{
|
|
size_t size = sizeof(struct cmng_struct_per_port);
|
|
|
|
u32 addr = BAR_XSTRORM_INTMEM +
|
|
XSTORM_CMNG_PER_PORT_VARS_OFFSET(port);
|
|
|
|
__storm_memset_struct(bp, addr, size, (u32 *)cmng);
|
|
}
|
|
|
|
/**
|
|
* 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, 1000);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
static inline bool bnx2x_need_gro_check(int mtu)
|
|
{
|
|
return (SGE_PAGES / (mtu - ETH_MAX_TPA_HEADER_SIZE - 1)) !=
|
|
(SGE_PAGES / (mtu - ETH_MIN_TPA_HEADER_SIZE + 1));
|
|
}
|
|
|
|
/**
|
|
* bnx2x_bz_fp - zero content of the fastpath structure.
|
|
*
|
|
* @bp: driver handle
|
|
* @index: fastpath index to be zeroed
|
|
*
|
|
* Makes sure the contents of the bp->fp[index].napi is kept
|
|
* intact.
|
|
*/
|
|
static inline void bnx2x_bz_fp(struct bnx2x *bp, int index)
|
|
{
|
|
struct bnx2x_fastpath *fp = &bp->fp[index];
|
|
struct napi_struct orig_napi = fp->napi;
|
|
/* bzero bnx2x_fastpath contents */
|
|
if (bp->stats_init)
|
|
memset(fp, 0, sizeof(*fp));
|
|
else {
|
|
/* Keep Queue statistics */
|
|
struct bnx2x_eth_q_stats *tmp_eth_q_stats;
|
|
struct bnx2x_eth_q_stats_old *tmp_eth_q_stats_old;
|
|
|
|
tmp_eth_q_stats = kzalloc(sizeof(struct bnx2x_eth_q_stats),
|
|
GFP_KERNEL);
|
|
if (tmp_eth_q_stats)
|
|
memcpy(tmp_eth_q_stats, &fp->eth_q_stats,
|
|
sizeof(struct bnx2x_eth_q_stats));
|
|
|
|
tmp_eth_q_stats_old =
|
|
kzalloc(sizeof(struct bnx2x_eth_q_stats_old),
|
|
GFP_KERNEL);
|
|
if (tmp_eth_q_stats_old)
|
|
memcpy(tmp_eth_q_stats_old, &fp->eth_q_stats_old,
|
|
sizeof(struct bnx2x_eth_q_stats_old));
|
|
|
|
memset(fp, 0, sizeof(*fp));
|
|
|
|
if (tmp_eth_q_stats) {
|
|
memcpy(&fp->eth_q_stats, tmp_eth_q_stats,
|
|
sizeof(struct bnx2x_eth_q_stats));
|
|
kfree(tmp_eth_q_stats);
|
|
}
|
|
|
|
if (tmp_eth_q_stats_old) {
|
|
memcpy(&fp->eth_q_stats_old, tmp_eth_q_stats_old,
|
|
sizeof(struct bnx2x_eth_q_stats_old));
|
|
kfree(tmp_eth_q_stats_old);
|
|
}
|
|
|
|
}
|
|
|
|
/* Restore the NAPI object as it has been already initialized */
|
|
fp->napi = orig_napi;
|
|
|
|
fp->bp = bp;
|
|
fp->index = index;
|
|
if (IS_ETH_FP(fp))
|
|
fp->max_cos = bp->max_cos;
|
|
else
|
|
/* Special queues support only one CoS */
|
|
fp->max_cos = 1;
|
|
|
|
/*
|
|
* set the tpa flag for each queue. The tpa flag determines the queue
|
|
* minimal size so it must be set prior to queue memory allocation
|
|
*/
|
|
fp->disable_tpa = !(bp->flags & TPA_ENABLE_FLAG ||
|
|
(bp->flags & GRO_ENABLE_FLAG &&
|
|
bnx2x_mtu_allows_gro(bp->dev->mtu)));
|
|
if (bp->flags & TPA_ENABLE_FLAG)
|
|
fp->mode = TPA_MODE_LRO;
|
|
else if (bp->flags & GRO_ENABLE_FLAG)
|
|
fp->mode = TPA_MODE_GRO;
|
|
|
|
#ifdef BCM_CNIC
|
|
/* We don't want TPA on an FCoE L2 ring */
|
|
if (IS_FCOE_FP(fp))
|
|
fp->disable_tpa = 1;
|
|
#endif
|
|
}
|
|
|
|
#ifdef BCM_CNIC
|
|
/**
|
|
* bnx2x_get_iscsi_info - update iSCSI params according to licensing info.
|
|
*
|
|
* @bp: driver handle
|
|
*
|
|
*/
|
|
void bnx2x_get_iscsi_info(struct bnx2x *bp);
|
|
#endif
|
|
/* returns func by VN for current port */
|
|
static inline int func_by_vn(struct bnx2x *bp, int vn)
|
|
{
|
|
return 2 * vn + BP_PORT(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);
|
|
}
|
|
}
|
|
|
|
static inline bool bnx2x_is_valid_ether_addr(struct bnx2x *bp, u8 *addr)
|
|
{
|
|
if (is_valid_ether_addr(addr))
|
|
return true;
|
|
#ifdef BCM_CNIC
|
|
if (is_zero_ether_addr(addr) && IS_MF_STORAGE_SD(bp))
|
|
return true;
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
#endif /* BNX2X_CMN_H */
|