1410 lines
35 KiB
C
1410 lines
35 KiB
C
/* bnx2x_cmn.h: QLogic Everest network driver.
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*
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* Copyright (c) 2007-2013 Broadcom Corporation
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* Copyright (c) 2014 QLogic Corporation
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* All rights reserved
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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: Ariel Elior <ariel.elior@qlogic.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 <linux/irq.h>
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#include "bnx2x.h"
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#include "bnx2x_sriov.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 bnx2x_load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */
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extern int bnx2x_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(y, size) \
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({ \
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void *x = dma_zalloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
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if (x) \
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DP(NETIF_MSG_HW, \
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"BNX2X_PCI_ALLOC: Physical %Lx Virtual %p\n", \
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(unsigned long long)(*y), x); \
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x; \
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})
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#define BNX2X_PCI_FALLOC(y, size) \
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({ \
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void *x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
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if (x) { \
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memset(x, 0xff, size); \
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DP(NETIF_MSG_HW, \
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"BNX2X_PCI_FALLOC: Physical %Lx Virtual %p\n", \
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(unsigned long long)(*y), x); \
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} \
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x; \
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})
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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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* @keep_link: true iff link should be kept up
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*/
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void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link);
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/**
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* bnx2x_config_rss_pf - configure RSS parameters in a PF.
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*
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* @bp: driver handle
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* @rss_obj: RSS object to use
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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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* @enable: enabled or disabled configuration
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*/
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int bnx2x_rss(struct bnx2x *bp, struct bnx2x_rss_config_obj *rss_obj,
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bool config_hash, bool enable);
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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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int 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_force_link_reset - Forces link reset, and put the PHY
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* in reset as well.
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*
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* @bp: driver handle
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*/
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void bnx2x_force_link_reset(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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int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
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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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/**
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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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/**
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* bnx2x_setup_cnic_info - provides cnic with updated info
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*
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* @bp: driver handle
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*/
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void bnx2x_setup_cnic_info(struct bnx2x *bp);
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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_cnic - init driver internals for cnic.
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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_cnic(struct bnx2x *bp);
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/**
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* bnx2x_preirq_nic_init - init driver internals.
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*
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* @bp: driver handle
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*
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* Initializes:
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* - fastpath object
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* - fastpath rings
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* etc.
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*/
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void bnx2x_pre_irq_nic_init(struct bnx2x *bp);
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/**
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* bnx2x_postirq_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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* - status blocks
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* - slowpath rings
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* - etc.
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*/
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void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code);
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/**
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* bnx2x_alloc_mem_cnic - allocate driver's memory for cnic.
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*
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* @bp: driver handle
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*/
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int bnx2x_alloc_mem_cnic(struct bnx2x *bp);
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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_cnic - release driver's memory for cnic.
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*
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* @bp: driver handle
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*/
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void bnx2x_free_mem_cnic(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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* @keep_link: true iff link should be kept up.
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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, bool keep_link);
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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_inner(struct bnx2x *bp);
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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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int bnx2x_init_hw_func_cnic(struct bnx2x *bp);
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void bnx2x_clear_vlan_info(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_ilt_set_cnic_info - prepare ILT configurations for SRC
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* and TM.
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*
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* @bp: driver handle
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*/
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void bnx2x_ilt_set_info_cnic(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, bool update_shmem);
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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_fw_dump_lvl(struct bnx2x *bp, const char *lvl);
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/* dev_close main block */
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int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link);
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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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int __bnx2x_setup_tc(struct net_device *dev, enum tc_setup_type type,
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void *type_data);
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int bnx2x_get_vf_config(struct net_device *dev, int vf,
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struct ifla_vf_info *ivi);
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int bnx2x_set_vf_mac(struct net_device *dev, int queue, u8 *mac);
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int bnx2x_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,
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__be16 vlan_proto);
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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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struct net_device *sb_dev,
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select_queue_fallback_t fallback);
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static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
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struct bnx2x_fastpath *fp,
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u16 bd_prod, u16 rx_comp_prod,
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u16 rx_sge_prod)
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{
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struct ustorm_eth_rx_producers rx_prods = {0};
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u32 i;
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/* 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_RELAXED(bp, fp->ustorm_rx_prods_offset + i * 4,
|
|
((u32 *)&rx_prods)[i]);
|
|
|
|
mmiowb(); /* keep prod updates ordered */
|
|
|
|
DP(NETIF_MSG_RX_STATUS,
|
|
"queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n",
|
|
fp->index, bd_prod, rx_comp_prod, rx_sge_prod);
|
|
}
|
|
|
|
/* reload helper */
|
|
int bnx2x_reload_if_running(struct net_device *dev);
|
|
|
|
int bnx2x_change_mac_addr(struct net_device *dev, void *p);
|
|
|
|
/* NAPI poll Tx part */
|
|
int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata);
|
|
|
|
/* suspend/resume callbacks */
|
|
int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state);
|
|
int bnx2x_resume(struct pci_dev *pdev);
|
|
|
|
/* Release IRQ vectors */
|
|
void bnx2x_free_irq(struct bnx2x *bp);
|
|
|
|
void bnx2x_free_fp_mem(struct bnx2x *bp);
|
|
void bnx2x_init_rx_rings(struct bnx2x *bp);
|
|
void bnx2x_init_rx_rings_cnic(struct bnx2x *bp);
|
|
void bnx2x_free_skbs(struct bnx2x *bp);
|
|
void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw);
|
|
void bnx2x_netif_start(struct bnx2x *bp);
|
|
int bnx2x_load_cnic(struct bnx2x *bp);
|
|
|
|
/**
|
|
* bnx2x_enable_msix - set msix configuration.
|
|
*
|
|
* @bp: driver handle
|
|
*
|
|
* fills msix_table, requests vectors, updates num_queues
|
|
* according to number of available vectors.
|
|
*/
|
|
int bnx2x_enable_msix(struct bnx2x *bp);
|
|
|
|
/**
|
|
* bnx2x_enable_msi - request msi mode from OS, updated internals accordingly
|
|
*
|
|
* @bp: driver handle
|
|
*/
|
|
int bnx2x_enable_msi(struct bnx2x *bp);
|
|
|
|
/**
|
|
* bnx2x_alloc_mem_bp - allocate memories outsize main driver structure
|
|
*
|
|
* @bp: driver handle
|
|
*/
|
|
int bnx2x_alloc_mem_bp(struct bnx2x *bp);
|
|
|
|
/**
|
|
* bnx2x_free_mem_bp - release memories outsize main driver structure
|
|
*
|
|
* @bp: driver handle
|
|
*/
|
|
void bnx2x_free_mem_bp(struct bnx2x *bp);
|
|
|
|
/**
|
|
* bnx2x_change_mtu - change mtu netdev callback
|
|
*
|
|
* @dev: net device
|
|
* @new_mtu: requested mtu
|
|
*
|
|
*/
|
|
int bnx2x_change_mtu(struct net_device *dev, int new_mtu);
|
|
|
|
#ifdef NETDEV_FCOE_WWNN
|
|
/**
|
|
* bnx2x_fcoe_get_wwn - return the requested WWN value for this port
|
|
*
|
|
* @dev: net_device
|
|
* @wwn: output buffer
|
|
* @type: WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port)
|
|
*
|
|
*/
|
|
int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type);
|
|
#endif
|
|
|
|
netdev_features_t bnx2x_fix_features(struct net_device *dev,
|
|
netdev_features_t features);
|
|
int bnx2x_set_features(struct net_device *dev, netdev_features_t features);
|
|
|
|
/**
|
|
* bnx2x_tx_timeout - tx timeout netdev callback
|
|
*
|
|
* @dev: net device
|
|
*/
|
|
void bnx2x_tx_timeout(struct net_device *dev);
|
|
|
|
/** bnx2x_get_c2s_mapping - read inner-to-outer vlan configuration
|
|
* c2s_map should have BNX2X_MAX_PRIORITY entries.
|
|
* @bp: driver handle
|
|
* @c2s_map: should have BNX2X_MAX_PRIORITY entries for mapping
|
|
* @c2s_default: entry for non-tagged configuration
|
|
*/
|
|
void bnx2x_get_c2s_mapping(struct bnx2x *bp, u8 *c2s_map, u8 *c2s_default);
|
|
|
|
/*********************** Inlines **********************************/
|
|
/*********************** Fast path ********************************/
|
|
static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
|
|
{
|
|
barrier(); /* status block is written to by the chip */
|
|
fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID];
|
|
}
|
|
|
|
static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id,
|
|
u8 segment, u16 index, u8 op,
|
|
u8 update, u32 igu_addr)
|
|
{
|
|
struct igu_regular cmd_data = {0};
|
|
|
|
cmd_data.sb_id_and_flags =
|
|
((index << IGU_REGULAR_SB_INDEX_SHIFT) |
|
|
(segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
|
|
(update << IGU_REGULAR_BUPDATE_SHIFT) |
|
|
(op << IGU_REGULAR_ENABLE_INT_SHIFT));
|
|
|
|
DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
|
|
cmd_data.sb_id_and_flags, igu_addr);
|
|
REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags);
|
|
|
|
/* Make sure that ACK is written */
|
|
mmiowb();
|
|
barrier();
|
|
}
|
|
|
|
static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id,
|
|
u8 storm, u16 index, u8 op, u8 update)
|
|
{
|
|
u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
|
|
COMMAND_REG_INT_ACK);
|
|
struct igu_ack_register igu_ack;
|
|
|
|
igu_ack.status_block_index = index;
|
|
igu_ack.sb_id_and_flags =
|
|
((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
|
|
(storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
|
|
(update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
|
|
(op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
|
|
|
|
REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
|
|
|
|
/* Make sure that ACK is written */
|
|
mmiowb();
|
|
barrier();
|
|
}
|
|
|
|
static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm,
|
|
u16 index, u8 op, u8 update)
|
|
{
|
|
if (bp->common.int_block == INT_BLOCK_HC)
|
|
bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update);
|
|
else {
|
|
u8 segment;
|
|
|
|
if (CHIP_INT_MODE_IS_BC(bp))
|
|
segment = storm;
|
|
else if (igu_sb_id != bp->igu_dsb_id)
|
|
segment = IGU_SEG_ACCESS_DEF;
|
|
else if (storm == ATTENTION_ID)
|
|
segment = IGU_SEG_ACCESS_ATTN;
|
|
else
|
|
segment = IGU_SEG_ACCESS_DEF;
|
|
bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update);
|
|
}
|
|
}
|
|
|
|
static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp)
|
|
{
|
|
u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
|
|
COMMAND_REG_SIMD_MASK);
|
|
u32 result = REG_RD(bp, hc_addr);
|
|
|
|
barrier();
|
|
return result;
|
|
}
|
|
|
|
static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp)
|
|
{
|
|
u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8);
|
|
u32 result = REG_RD(bp, igu_addr);
|
|
|
|
DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n",
|
|
result, igu_addr);
|
|
|
|
barrier();
|
|
return result;
|
|
}
|
|
|
|
static inline u16 bnx2x_ack_int(struct bnx2x *bp)
|
|
{
|
|
barrier();
|
|
if (bp->common.int_block == INT_BLOCK_HC)
|
|
return bnx2x_hc_ack_int(bp);
|
|
else
|
|
return bnx2x_igu_ack_int(bp);
|
|
}
|
|
|
|
static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata)
|
|
{
|
|
/* Tell compiler that consumer and producer can change */
|
|
barrier();
|
|
return txdata->tx_pkt_prod != txdata->tx_pkt_cons;
|
|
}
|
|
|
|
static inline u16 bnx2x_tx_avail(struct bnx2x *bp,
|
|
struct bnx2x_fp_txdata *txdata)
|
|
{
|
|
s16 used;
|
|
u16 prod;
|
|
u16 cons;
|
|
|
|
prod = txdata->tx_bd_prod;
|
|
cons = txdata->tx_bd_cons;
|
|
|
|
used = SUB_S16(prod, cons);
|
|
|
|
#ifdef BNX2X_STOP_ON_ERROR
|
|
WARN_ON(used < 0);
|
|
WARN_ON(used > txdata->tx_ring_size);
|
|
WARN_ON((txdata->tx_ring_size - used) > MAX_TX_AVAIL);
|
|
#endif
|
|
|
|
return (s16)(txdata->tx_ring_size) - used;
|
|
}
|
|
|
|
static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata)
|
|
{
|
|
u16 hw_cons;
|
|
|
|
/* Tell compiler that status block fields can change */
|
|
barrier();
|
|
hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
|
|
return hw_cons != txdata->tx_pkt_cons;
|
|
}
|
|
|
|
static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
|
|
{
|
|
u8 cos;
|
|
for_each_cos_in_tx_queue(fp, cos)
|
|
if (bnx2x_tx_queue_has_work(fp->txdata_ptr[cos]))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
#define BNX2X_IS_CQE_COMPLETED(cqe_fp) (cqe_fp->marker == 0x0)
|
|
#define BNX2X_SEED_CQE(cqe_fp) (cqe_fp->marker = 0xFFFFFFFF)
|
|
static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
|
|
{
|
|
u16 cons;
|
|
union eth_rx_cqe *cqe;
|
|
struct eth_fast_path_rx_cqe *cqe_fp;
|
|
|
|
cons = RCQ_BD(fp->rx_comp_cons);
|
|
cqe = &fp->rx_comp_ring[cons];
|
|
cqe_fp = &cqe->fast_path_cqe;
|
|
return BNX2X_IS_CQE_COMPLETED(cqe_fp);
|
|
}
|
|
|
|
/**
|
|
* bnx2x_tx_disable - disables tx from stack point of view
|
|
*
|
|
* @bp: driver handle
|
|
*/
|
|
static inline void bnx2x_tx_disable(struct bnx2x *bp)
|
|
{
|
|
netif_tx_disable(bp->dev);
|
|
netif_carrier_off(bp->dev);
|
|
}
|
|
|
|
static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
|
|
struct bnx2x_fastpath *fp, u16 index)
|
|
{
|
|
struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
|
|
struct page *page = sw_buf->page;
|
|
struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
|
|
|
|
/* Skip "next page" elements */
|
|
if (!page)
|
|
return;
|
|
|
|
/* Since many fragments can share the same page, make sure to
|
|
* only unmap and free the page once.
|
|
*/
|
|
dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping),
|
|
SGE_PAGE_SIZE, DMA_FROM_DEVICE);
|
|
|
|
put_page(page);
|
|
|
|
sw_buf->page = NULL;
|
|
sge->addr_hi = 0;
|
|
sge->addr_lo = 0;
|
|
}
|
|
|
|
static inline void bnx2x_del_all_napi_cnic(struct bnx2x *bp)
|
|
{
|
|
int i;
|
|
|
|
for_each_rx_queue_cnic(bp, i) {
|
|
napi_hash_del(&bnx2x_fp(bp, i, napi));
|
|
netif_napi_del(&bnx2x_fp(bp, i, napi));
|
|
}
|
|
}
|
|
|
|
static inline void bnx2x_del_all_napi(struct bnx2x *bp)
|
|
{
|
|
int i;
|
|
|
|
for_each_eth_queue(bp, i) {
|
|
napi_hash_del(&bnx2x_fp(bp, i, napi));
|
|
netif_napi_del(&bnx2x_fp(bp, i, napi));
|
|
}
|
|
}
|
|
|
|
int bnx2x_set_int_mode(struct bnx2x *bp);
|
|
|
|
static inline void bnx2x_disable_msi(struct bnx2x *bp)
|
|
{
|
|
if (bp->flags & USING_MSIX_FLAG) {
|
|
pci_disable_msix(bp->pdev);
|
|
bp->flags &= ~(USING_MSIX_FLAG | USING_SINGLE_MSIX_FLAG);
|
|
} else if (bp->flags & USING_MSI_FLAG) {
|
|
pci_disable_msi(bp->pdev);
|
|
bp->flags &= ~USING_MSI_FLAG;
|
|
}
|
|
}
|
|
|
|
static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
|
|
{
|
|
int i, j;
|
|
|
|
for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
|
|
int idx = RX_SGE_CNT * i - 1;
|
|
|
|
for (j = 0; j < 2; j++) {
|
|
BIT_VEC64_CLEAR_BIT(fp->sge_mask, idx);
|
|
idx--;
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
|
|
{
|
|
/* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
|
|
memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask));
|
|
|
|
/* Clear the two last indices in the page to 1:
|
|
these are the indices that correspond to the "next" element,
|
|
hence will never be indicated and should be removed from
|
|
the calculations. */
|
|
bnx2x_clear_sge_mask_next_elems(fp);
|
|
}
|
|
|
|
/* note that we are not allocating a new buffer,
|
|
* we are just moving one from cons to prod
|
|
* we are not creating a new mapping,
|
|
* so there is no need to check for dma_mapping_error().
|
|
*/
|
|
static inline void bnx2x_reuse_rx_data(struct bnx2x_fastpath *fp,
|
|
u16 cons, u16 prod)
|
|
{
|
|
struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
|
|
struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
|
|
struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
|
|
struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
|
|
|
|
dma_unmap_addr_set(prod_rx_buf, mapping,
|
|
dma_unmap_addr(cons_rx_buf, mapping));
|
|
prod_rx_buf->data = cons_rx_buf->data;
|
|
*prod_bd = *cons_bd;
|
|
}
|
|
|
|
/************************* Init ******************************************/
|
|
|
|
/* returns func by VN for current port */
|
|
static inline int func_by_vn(struct bnx2x *bp, int vn)
|
|
{
|
|
return 2 * vn + BP_PORT(bp);
|
|
}
|
|
|
|
static inline int bnx2x_config_rss_eth(struct bnx2x *bp, bool config_hash)
|
|
{
|
|
return bnx2x_rss(bp, &bp->rss_conf_obj, config_hash, true);
|
|
}
|
|
|
|
/**
|
|
* bnx2x_func_start - init function
|
|
*
|
|
* @bp: driver handle
|
|
*
|
|
* Must be called before sending CLIENT_SETUP for the first client.
|
|
*/
|
|
static inline int bnx2x_func_start(struct bnx2x *bp)
|
|
{
|
|
struct bnx2x_func_state_params func_params = {NULL};
|
|
struct bnx2x_func_start_params *start_params =
|
|
&func_params.params.start;
|
|
u16 port;
|
|
|
|
/* Prepare parameters for function state transitions */
|
|
__set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
|
|
|
|
func_params.f_obj = &bp->func_obj;
|
|
func_params.cmd = BNX2X_F_CMD_START;
|
|
|
|
/* Function parameters */
|
|
start_params->mf_mode = bp->mf_mode;
|
|
start_params->sd_vlan_tag = bp->mf_ov;
|
|
|
|
/* Configure Ethertype for BD mode */
|
|
if (IS_MF_BD(bp)) {
|
|
DP(NETIF_MSG_IFUP, "Configuring ethertype 0x88a8 for BD\n");
|
|
start_params->sd_vlan_eth_type = ETH_P_8021AD;
|
|
REG_WR(bp, PRS_REG_VLAN_TYPE_0, ETH_P_8021AD);
|
|
REG_WR(bp, PBF_REG_VLAN_TYPE_0, ETH_P_8021AD);
|
|
REG_WR(bp, NIG_REG_LLH_E1HOV_TYPE_1, ETH_P_8021AD);
|
|
|
|
bnx2x_get_c2s_mapping(bp, start_params->c2s_pri,
|
|
&start_params->c2s_pri_default);
|
|
start_params->c2s_pri_valid = 1;
|
|
|
|
DP(NETIF_MSG_IFUP,
|
|
"Inner-to-Outer priority: %02x %02x %02x %02x %02x %02x %02x %02x [Default %02x]\n",
|
|
start_params->c2s_pri[0], start_params->c2s_pri[1],
|
|
start_params->c2s_pri[2], start_params->c2s_pri[3],
|
|
start_params->c2s_pri[4], start_params->c2s_pri[5],
|
|
start_params->c2s_pri[6], start_params->c2s_pri[7],
|
|
start_params->c2s_pri_default);
|
|
}
|
|
|
|
if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
|
|
start_params->network_cos_mode = STATIC_COS;
|
|
else /* CHIP_IS_E1X */
|
|
start_params->network_cos_mode = FW_WRR;
|
|
if (bp->udp_tunnel_ports[BNX2X_UDP_PORT_VXLAN].count) {
|
|
port = bp->udp_tunnel_ports[BNX2X_UDP_PORT_VXLAN].dst_port;
|
|
start_params->vxlan_dst_port = port;
|
|
}
|
|
if (bp->udp_tunnel_ports[BNX2X_UDP_PORT_GENEVE].count) {
|
|
port = bp->udp_tunnel_ports[BNX2X_UDP_PORT_GENEVE].dst_port;
|
|
start_params->geneve_dst_port = port;
|
|
}
|
|
|
|
start_params->inner_rss = 1;
|
|
|
|
if (IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) {
|
|
start_params->class_fail_ethtype = ETH_P_FIP;
|
|
start_params->class_fail = 1;
|
|
start_params->no_added_tags = 1;
|
|
}
|
|
|
|
return bnx2x_func_state_change(bp, &func_params);
|
|
}
|
|
|
|
/**
|
|
* bnx2x_set_fw_mac_addr - fill in a MAC address in FW format
|
|
*
|
|
* @fw_hi: pointer to upper part
|
|
* @fw_mid: pointer to middle part
|
|
* @fw_lo: pointer to lower part
|
|
* @mac: pointer to MAC address
|
|
*/
|
|
static inline void bnx2x_set_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid,
|
|
__le16 *fw_lo, u8 *mac)
|
|
{
|
|
((u8 *)fw_hi)[0] = mac[1];
|
|
((u8 *)fw_hi)[1] = mac[0];
|
|
((u8 *)fw_mid)[0] = mac[3];
|
|
((u8 *)fw_mid)[1] = mac[2];
|
|
((u8 *)fw_lo)[0] = mac[5];
|
|
((u8 *)fw_lo)[1] = mac[4];
|
|
}
|
|
|
|
static inline void bnx2x_free_rx_mem_pool(struct bnx2x *bp,
|
|
struct bnx2x_alloc_pool *pool)
|
|
{
|
|
if (!pool->page)
|
|
return;
|
|
|
|
put_page(pool->page);
|
|
|
|
pool->page = NULL;
|
|
}
|
|
|
|
static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
|
|
struct bnx2x_fastpath *fp, int last)
|
|
{
|
|
int i;
|
|
|
|
if (fp->mode == TPA_MODE_DISABLED)
|
|
return;
|
|
|
|
for (i = 0; i < last; i++)
|
|
bnx2x_free_rx_sge(bp, fp, i);
|
|
|
|
bnx2x_free_rx_mem_pool(bp, &fp->page_pool);
|
|
}
|
|
|
|
static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i <= NUM_RX_RINGS; i++) {
|
|
struct eth_rx_bd *rx_bd;
|
|
|
|
rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
|
|
rx_bd->addr_hi =
|
|
cpu_to_le32(U64_HI(fp->rx_desc_mapping +
|
|
BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
|
|
rx_bd->addr_lo =
|
|
cpu_to_le32(U64_LO(fp->rx_desc_mapping +
|
|
BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
|
|
}
|
|
}
|
|
|
|
/* Statistics ID are global per chip/path, while Client IDs for E1x are per
|
|
* port.
|
|
*/
|
|
static inline u8 bnx2x_stats_id(struct bnx2x_fastpath *fp)
|
|
{
|
|
struct bnx2x *bp = fp->bp;
|
|
if (!CHIP_IS_E1x(bp)) {
|
|
/* there are special statistics counters for FCoE 136..140 */
|
|
if (IS_FCOE_FP(fp))
|
|
return bp->cnic_base_cl_id + (bp->pf_num >> 1);
|
|
return fp->cl_id;
|
|
}
|
|
return fp->cl_id + BP_PORT(bp) * FP_SB_MAX_E1x;
|
|
}
|
|
|
|
static inline void bnx2x_init_vlan_mac_fp_objs(struct bnx2x_fastpath *fp,
|
|
bnx2x_obj_type obj_type)
|
|
{
|
|
struct bnx2x *bp = fp->bp;
|
|
|
|
/* Configure classification DBs */
|
|
bnx2x_init_mac_obj(bp, &bnx2x_sp_obj(bp, fp).mac_obj, fp->cl_id,
|
|
fp->cid, BP_FUNC(bp), bnx2x_sp(bp, mac_rdata),
|
|
bnx2x_sp_mapping(bp, mac_rdata),
|
|
BNX2X_FILTER_MAC_PENDING,
|
|
&bp->sp_state, obj_type,
|
|
&bp->macs_pool);
|
|
|
|
if (!CHIP_IS_E1x(bp))
|
|
bnx2x_init_vlan_obj(bp, &bnx2x_sp_obj(bp, fp).vlan_obj,
|
|
fp->cl_id, fp->cid, BP_FUNC(bp),
|
|
bnx2x_sp(bp, vlan_rdata),
|
|
bnx2x_sp_mapping(bp, vlan_rdata),
|
|
BNX2X_FILTER_VLAN_PENDING,
|
|
&bp->sp_state, obj_type,
|
|
&bp->vlans_pool);
|
|
}
|
|
|
|
/**
|
|
* bnx2x_get_path_func_num - get number of active functions
|
|
*
|
|
* @bp: driver handle
|
|
*
|
|
* Calculates the number of active (not hidden) functions on the
|
|
* current path.
|
|
*/
|
|
static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp)
|
|
{
|
|
u8 func_num = 0, i;
|
|
|
|
/* 57710 has only one function per-port */
|
|
if (CHIP_IS_E1(bp))
|
|
return 1;
|
|
|
|
/* Calculate a number of functions enabled on the current
|
|
* PATH/PORT.
|
|
*/
|
|
if (CHIP_REV_IS_SLOW(bp)) {
|
|
if (IS_MF(bp))
|
|
func_num = 4;
|
|
else
|
|
func_num = 2;
|
|
} else {
|
|
for (i = 0; i < E1H_FUNC_MAX / 2; i++) {
|
|
u32 func_config =
|
|
MF_CFG_RD(bp,
|
|
func_mf_config[BP_PORT(bp) + 2 * i].
|
|
config);
|
|
func_num +=
|
|
((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1);
|
|
}
|
|
}
|
|
|
|
WARN_ON(!func_num);
|
|
|
|
return func_num;
|
|
}
|
|
|
|
static inline void bnx2x_init_bp_objs(struct bnx2x *bp)
|
|
{
|
|
/* RX_MODE controlling object */
|
|
bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj);
|
|
|
|
/* multicast configuration controlling object */
|
|
bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid,
|
|
BP_FUNC(bp), BP_FUNC(bp),
|
|
bnx2x_sp(bp, mcast_rdata),
|
|
bnx2x_sp_mapping(bp, mcast_rdata),
|
|
BNX2X_FILTER_MCAST_PENDING, &bp->sp_state,
|
|
BNX2X_OBJ_TYPE_RX);
|
|
|
|
/* Setup CAM credit pools */
|
|
bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp),
|
|
bnx2x_get_path_func_num(bp));
|
|
|
|
bnx2x_init_vlan_credit_pool(bp, &bp->vlans_pool, BP_FUNC(bp),
|
|
bnx2x_get_path_func_num(bp));
|
|
|
|
/* RSS configuration object */
|
|
bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id,
|
|
bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp),
|
|
bnx2x_sp(bp, rss_rdata),
|
|
bnx2x_sp_mapping(bp, rss_rdata),
|
|
BNX2X_FILTER_RSS_CONF_PENDING, &bp->sp_state,
|
|
BNX2X_OBJ_TYPE_RX);
|
|
|
|
bp->vlan_credit = PF_VLAN_CREDIT_E2(bp, bnx2x_get_path_func_num(bp));
|
|
}
|
|
|
|
static inline u8 bnx2x_fp_qzone_id(struct bnx2x_fastpath *fp)
|
|
{
|
|
if (CHIP_IS_E1x(fp->bp))
|
|
return fp->cl_id + BP_PORT(fp->bp) * ETH_MAX_RX_CLIENTS_E1H;
|
|
else
|
|
return fp->cl_id;
|
|
}
|
|
|
|
static inline void bnx2x_init_txdata(struct bnx2x *bp,
|
|
struct bnx2x_fp_txdata *txdata, u32 cid,
|
|
int txq_index, __le16 *tx_cons_sb,
|
|
struct bnx2x_fastpath *fp)
|
|
{
|
|
txdata->cid = cid;
|
|
txdata->txq_index = txq_index;
|
|
txdata->tx_cons_sb = tx_cons_sb;
|
|
txdata->parent_fp = fp;
|
|
txdata->tx_ring_size = IS_FCOE_FP(fp) ? MAX_TX_AVAIL : bp->tx_ring_size;
|
|
|
|
DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n",
|
|
txdata->cid, txdata->txq_index);
|
|
}
|
|
|
|
static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx)
|
|
{
|
|
return bp->cnic_base_cl_id + cl_idx +
|
|
(bp->pf_num >> 1) * BNX2X_MAX_CNIC_ETH_CL_ID_IDX;
|
|
}
|
|
|
|
static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp)
|
|
{
|
|
/* the 'first' id is allocated for the cnic */
|
|
return bp->base_fw_ndsb;
|
|
}
|
|
|
|
static inline u8 bnx2x_cnic_igu_sb_id(struct bnx2x *bp)
|
|
{
|
|
return bp->igu_base_sb;
|
|
}
|
|
|
|
static inline int bnx2x_clean_tx_queue(struct bnx2x *bp,
|
|
struct bnx2x_fp_txdata *txdata)
|
|
{
|
|
int cnt = 1000;
|
|
|
|
while (bnx2x_has_tx_work_unload(txdata)) {
|
|
if (!cnt) {
|
|
BNX2X_ERR("timeout waiting for queue[%d]: txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n",
|
|
txdata->txq_index, txdata->tx_pkt_prod,
|
|
txdata->tx_pkt_cons);
|
|
#ifdef BNX2X_STOP_ON_ERROR
|
|
bnx2x_panic();
|
|
return -EBUSY;
|
|
#else
|
|
break;
|
|
#endif
|
|
}
|
|
cnt--;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bnx2x_get_link_cfg_idx(struct bnx2x *bp);
|
|
|
|
static inline void __storm_memset_struct(struct bnx2x *bp,
|
|
u32 addr, size_t size, u32 *data)
|
|
{
|
|
int i;
|
|
for (i = 0; i < size/4; i++)
|
|
REG_WR(bp, addr + (i * 4), data[i]);
|
|
}
|
|
|
|
/**
|
|
* bnx2x_wait_sp_comp - wait for the outstanding SP commands.
|
|
*
|
|
* @bp: driver handle
|
|
* @mask: bits that need to be cleared
|
|
*/
|
|
static inline bool bnx2x_wait_sp_comp(struct bnx2x *bp, unsigned long mask)
|
|
{
|
|
int tout = 5000; /* Wait for 5 secs tops */
|
|
|
|
while (tout--) {
|
|
smp_mb();
|
|
netif_addr_lock_bh(bp->dev);
|
|
if (!(bp->sp_state & mask)) {
|
|
netif_addr_unlock_bh(bp->dev);
|
|
return true;
|
|
}
|
|
netif_addr_unlock_bh(bp->dev);
|
|
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
smp_mb();
|
|
|
|
netif_addr_lock_bh(bp->dev);
|
|
if (bp->sp_state & mask) {
|
|
BNX2X_ERR("Filtering completion timed out. sp_state 0x%lx, mask 0x%lx\n",
|
|
bp->sp_state, mask);
|
|
netif_addr_unlock_bh(bp->dev);
|
|
return false;
|
|
}
|
|
netif_addr_unlock_bh(bp->dev);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* bnx2x_set_ctx_validation - set CDU context validation values
|
|
*
|
|
* @bp: driver handle
|
|
* @cxt: context of the connection on the host memory
|
|
* @cid: SW CID of the connection to be configured
|
|
*/
|
|
void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt,
|
|
u32 cid);
|
|
|
|
void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id,
|
|
u8 sb_index, u8 disable, u16 usec);
|
|
void bnx2x_acquire_phy_lock(struct bnx2x *bp);
|
|
void bnx2x_release_phy_lock(struct bnx2x *bp);
|
|
|
|
/**
|
|
* bnx2x_extract_max_cfg - extract MAX BW part from MF configuration.
|
|
*
|
|
* @bp: driver handle
|
|
* @mf_cfg: MF configuration
|
|
*
|
|
*/
|
|
static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg)
|
|
{
|
|
u16 max_cfg = (mf_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
|
|
FUNC_MF_CFG_MAX_BW_SHIFT;
|
|
if (!max_cfg) {
|
|
DP(NETIF_MSG_IFUP | BNX2X_MSG_ETHTOOL,
|
|
"Max BW configured to 0 - using 100 instead\n");
|
|
max_cfg = 100;
|
|
}
|
|
return max_cfg;
|
|
}
|
|
|
|
/* checks if HW supports GRO for given MTU */
|
|
static inline bool bnx2x_mtu_allows_gro(int mtu)
|
|
{
|
|
/* gro frags per page */
|
|
int fpp = SGE_PAGE_SIZE / (mtu - ETH_MAX_TPA_HEADER_SIZE);
|
|
|
|
/*
|
|
* 1. Number of frags should not grow above MAX_SKB_FRAGS
|
|
* 2. Frag must fit the page
|
|
*/
|
|
return mtu <= SGE_PAGE_SIZE && (U_ETH_SGL_SIZE * fpp) <= MAX_SKB_FRAGS;
|
|
}
|
|
|
|
/**
|
|
* bnx2x_get_iscsi_info - update iSCSI params according to licensing info.
|
|
*
|
|
* @bp: driver handle
|
|
*
|
|
*/
|
|
void bnx2x_get_iscsi_info(struct bnx2x *bp);
|
|
|
|
/**
|
|
* bnx2x_link_sync_notify - send notification to other functions.
|
|
*
|
|
* @bp: driver handle
|
|
*
|
|
*/
|
|
static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
|
|
{
|
|
int func;
|
|
int vn;
|
|
|
|
/* Set the attention towards other drivers on the same port */
|
|
for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
|
|
if (vn == BP_VN(bp))
|
|
continue;
|
|
|
|
func = func_by_vn(bp, vn);
|
|
REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
|
|
(LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* bnx2x_update_drv_flags - update flags in shmem
|
|
*
|
|
* @bp: driver handle
|
|
* @flags: flags to update
|
|
* @set: set or clear
|
|
*
|
|
*/
|
|
static inline void bnx2x_update_drv_flags(struct bnx2x *bp, u32 flags, u32 set)
|
|
{
|
|
if (SHMEM2_HAS(bp, drv_flags)) {
|
|
u32 drv_flags;
|
|
bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
|
|
drv_flags = SHMEM2_RD(bp, drv_flags);
|
|
|
|
if (set)
|
|
SET_FLAGS(drv_flags, flags);
|
|
else
|
|
RESET_FLAGS(drv_flags, flags);
|
|
|
|
SHMEM2_WR(bp, drv_flags, drv_flags);
|
|
DP(NETIF_MSG_IFUP, "drv_flags 0x%08x\n", drv_flags);
|
|
bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_DRV_FLAGS);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* bnx2x_fill_fw_str - Fill buffer with FW version string
|
|
*
|
|
* @bp: driver handle
|
|
* @buf: character buffer to fill with the fw name
|
|
* @buf_len: length of the above buffer
|
|
*
|
|
*/
|
|
void bnx2x_fill_fw_str(struct bnx2x *bp, char *buf, size_t buf_len);
|
|
|
|
int bnx2x_drain_tx_queues(struct bnx2x *bp);
|
|
void bnx2x_squeeze_objects(struct bnx2x *bp);
|
|
|
|
void bnx2x_schedule_sp_rtnl(struct bnx2x*, enum sp_rtnl_flag,
|
|
u32 verbose);
|
|
|
|
/**
|
|
* bnx2x_set_os_driver_state - write driver state for management FW usage
|
|
*
|
|
* @bp: driver handle
|
|
* @state: OS_DRIVER_STATE_* value reflecting current driver state
|
|
*/
|
|
void bnx2x_set_os_driver_state(struct bnx2x *bp, u32 state);
|
|
|
|
/**
|
|
* bnx2x_nvram_read - reads data from nvram [might sleep]
|
|
*
|
|
* @bp: driver handle
|
|
* @offset: byte offset in nvram
|
|
* @ret_buf: pointer to buffer where data is to be stored
|
|
* @buf_size: Length of 'ret_buf' in bytes
|
|
*/
|
|
int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
|
|
int buf_size);
|
|
|
|
#endif /* BNX2X_CMN_H */
|