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https://github.com/AsahiLinux/u-boot
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1226 lines
33 KiB
C
1226 lines
33 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2020 Marvell International Ltd.
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*
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* Small helper utilities.
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*/
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#include <log.h>
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#include <time.h>
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#include <linux/delay.h>
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#include <mach/cvmx-regs.h>
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#include <mach/cvmx-csr-enums.h>
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#include <mach/octeon-model.h>
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#include <mach/octeon-feature.h>
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#include <mach/cvmx-gmxx-defs.h>
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#include <mach/cvmx-ipd-defs.h>
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#include <mach/cvmx-pko-defs.h>
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#include <mach/cvmx-ipd.h>
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#include <mach/cvmx-hwpko.h>
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#include <mach/cvmx-pki.h>
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#include <mach/cvmx-pip.h>
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#include <mach/cvmx-helper.h>
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#include <mach/cvmx-helper-util.h>
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#include <mach/cvmx-helper-pki.h>
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/**
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* @INTERNAL
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* These are the interface types needed to convert interface numbers to ipd
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* ports.
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*
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* @param GMII
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* This type is used for sgmii, rgmii, xaui and rxaui interfaces.
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* @param ILK
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* This type is used for ilk interfaces.
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* @param SRIO
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* This type is used for serial-RapidIo interfaces.
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* @param NPI
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* This type is used for npi interfaces.
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* @param LB
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* This type is used for loopback interfaces.
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* @param INVALID_IF_TYPE
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* This type indicates the interface hasn't been configured.
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*/
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enum port_map_if_type { INVALID_IF_TYPE = 0, GMII, ILK, SRIO, NPI, LB };
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/**
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* @INTERNAL
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* This structure is used to map interface numbers to ipd ports.
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*
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* @param type
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* Interface type
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* @param first_ipd_port
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* First IPD port number assigned to this interface.
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* @param last_ipd_port
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* Last IPD port number assigned to this interface.
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* @param ipd_port_adj
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* Different octeon chips require different ipd ports for the
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* same interface port/mode configuration. This value is used
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* to account for that difference.
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*/
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struct ipd_port_map {
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enum port_map_if_type type;
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int first_ipd_port;
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int last_ipd_port;
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int ipd_port_adj;
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};
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/**
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* @INTERNAL
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* Interface number to ipd port map for the octeon 68xx.
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*/
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static const struct ipd_port_map ipd_port_map_68xx[CVMX_HELPER_MAX_IFACE] = {
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{ GMII, 0x800, 0x8ff, 0x40 }, /* Interface 0 */
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{ GMII, 0x900, 0x9ff, 0x40 }, /* Interface 1 */
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{ GMII, 0xa00, 0xaff, 0x40 }, /* Interface 2 */
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{ GMII, 0xb00, 0xbff, 0x40 }, /* Interface 3 */
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{ GMII, 0xc00, 0xcff, 0x40 }, /* Interface 4 */
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{ ILK, 0x400, 0x4ff, 0x00 }, /* Interface 5 */
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{ ILK, 0x500, 0x5ff, 0x00 }, /* Interface 6 */
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{ NPI, 0x100, 0x120, 0x00 }, /* Interface 7 */
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{ LB, 0x000, 0x008, 0x00 }, /* Interface 8 */
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};
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/**
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* @INTERNAL
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* Interface number to ipd port map for the octeon 78xx.
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*
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* This mapping corresponds to WQE(CHAN) enumeration in
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* HRM Sections 11.15, PKI_CHAN_E, Section 11.6
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*
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*/
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static const struct ipd_port_map ipd_port_map_78xx[CVMX_HELPER_MAX_IFACE] = {
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{ GMII, 0x800, 0x83f, 0x00 }, /* Interface 0 - BGX0 */
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{ GMII, 0x900, 0x93f, 0x00 }, /* Interface 1 -BGX1 */
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{ GMII, 0xa00, 0xa3f, 0x00 }, /* Interface 2 -BGX2 */
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{ GMII, 0xb00, 0xb3f, 0x00 }, /* Interface 3 - BGX3 */
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{ GMII, 0xc00, 0xc3f, 0x00 }, /* Interface 4 - BGX4 */
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{ GMII, 0xd00, 0xd3f, 0x00 }, /* Interface 5 - BGX5 */
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{ ILK, 0x400, 0x4ff, 0x00 }, /* Interface 6 - ILK0 */
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{ ILK, 0x500, 0x5ff, 0x00 }, /* Interface 7 - ILK1 */
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{ NPI, 0x100, 0x13f, 0x00 }, /* Interface 8 - DPI */
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{ LB, 0x000, 0x03f, 0x00 }, /* Interface 9 - LOOPBACK */
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};
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/**
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* @INTERNAL
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* Interface number to ipd port map for the octeon 73xx.
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*/
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static const struct ipd_port_map ipd_port_map_73xx[CVMX_HELPER_MAX_IFACE] = {
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{ GMII, 0x800, 0x83f, 0x00 }, /* Interface 0 - BGX(0,0-3) */
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{ GMII, 0x900, 0x93f, 0x00 }, /* Interface 1 -BGX(1,0-3) */
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{ GMII, 0xa00, 0xa3f, 0x00 }, /* Interface 2 -BGX(2,0-3) */
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{ NPI, 0x100, 0x17f, 0x00 }, /* Interface 3 - DPI */
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{ LB, 0x000, 0x03f, 0x00 }, /* Interface 4 - LOOPBACK */
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};
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/**
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* @INTERNAL
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* Interface number to ipd port map for the octeon 75xx.
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*/
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static const struct ipd_port_map ipd_port_map_75xx[CVMX_HELPER_MAX_IFACE] = {
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{ GMII, 0x800, 0x83f, 0x00 }, /* Interface 0 - BGX0 */
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{ SRIO, 0x240, 0x241, 0x00 }, /* Interface 1 - SRIO 0 */
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{ SRIO, 0x242, 0x243, 0x00 }, /* Interface 2 - SRIO 1 */
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{ NPI, 0x100, 0x13f, 0x00 }, /* Interface 3 - DPI */
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{ LB, 0x000, 0x03f, 0x00 }, /* Interface 4 - LOOPBACK */
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};
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/**
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* Convert a interface mode into a human readable string
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*
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* @param mode Mode to convert
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*
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* @return String
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*/
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const char *cvmx_helper_interface_mode_to_string(cvmx_helper_interface_mode_t mode)
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{
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switch (mode) {
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case CVMX_HELPER_INTERFACE_MODE_DISABLED:
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return "DISABLED";
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case CVMX_HELPER_INTERFACE_MODE_RGMII:
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return "RGMII";
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case CVMX_HELPER_INTERFACE_MODE_GMII:
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return "GMII";
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case CVMX_HELPER_INTERFACE_MODE_SPI:
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return "SPI";
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case CVMX_HELPER_INTERFACE_MODE_PCIE:
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return "PCIE";
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case CVMX_HELPER_INTERFACE_MODE_XAUI:
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return "XAUI";
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case CVMX_HELPER_INTERFACE_MODE_RXAUI:
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return "RXAUI";
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case CVMX_HELPER_INTERFACE_MODE_SGMII:
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return "SGMII";
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case CVMX_HELPER_INTERFACE_MODE_QSGMII:
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return "QSGMII";
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case CVMX_HELPER_INTERFACE_MODE_PICMG:
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return "PICMG";
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case CVMX_HELPER_INTERFACE_MODE_NPI:
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return "NPI";
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case CVMX_HELPER_INTERFACE_MODE_LOOP:
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return "LOOP";
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case CVMX_HELPER_INTERFACE_MODE_SRIO:
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return "SRIO";
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case CVMX_HELPER_INTERFACE_MODE_ILK:
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return "ILK";
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case CVMX_HELPER_INTERFACE_MODE_AGL:
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return "AGL";
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case CVMX_HELPER_INTERFACE_MODE_XLAUI:
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return "XLAUI";
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case CVMX_HELPER_INTERFACE_MODE_XFI:
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return "XFI";
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case CVMX_HELPER_INTERFACE_MODE_40G_KR4:
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return "40G_KR4";
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case CVMX_HELPER_INTERFACE_MODE_10G_KR:
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return "10G_KR";
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case CVMX_HELPER_INTERFACE_MODE_MIXED:
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return "MIXED";
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}
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return "UNKNOWN";
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}
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/**
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* Debug routine to dump the packet structure to the console
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*
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* @param work Work queue entry containing the packet to dump
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* @return
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*/
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int cvmx_helper_dump_packet(cvmx_wqe_t *work)
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{
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u64 count;
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u64 remaining_bytes;
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union cvmx_buf_ptr buffer_ptr;
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cvmx_buf_ptr_pki_t bptr;
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cvmx_wqe_78xx_t *wqe = (void *)work;
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u64 start_of_buffer;
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u8 *data_address;
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u8 *end_of_data;
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if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
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cvmx_pki_dump_wqe(wqe);
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cvmx_wqe_pki_errata_20776(work);
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} else {
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debug("WORD0 = %lx\n", (unsigned long)work->word0.u64);
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debug("WORD1 = %lx\n", (unsigned long)work->word1.u64);
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debug("WORD2 = %lx\n", (unsigned long)work->word2.u64);
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debug("Packet Length: %u\n", cvmx_wqe_get_len(work));
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debug(" Input Port: %u\n", cvmx_wqe_get_port(work));
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debug(" QoS: %u\n", cvmx_wqe_get_qos(work));
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debug(" Buffers: %u\n", cvmx_wqe_get_bufs(work));
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}
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if (cvmx_wqe_get_bufs(work) == 0) {
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int wqe_pool;
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if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
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debug("%s: ERROR: Unexpected bufs==0 in WQE\n", __func__);
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return -1;
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}
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wqe_pool = (int)cvmx_fpa_get_wqe_pool();
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buffer_ptr.u64 = 0;
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buffer_ptr.s.pool = wqe_pool;
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buffer_ptr.s.size = 128;
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buffer_ptr.s.addr = cvmx_ptr_to_phys(work->packet_data);
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if (cvmx_likely(!work->word2.s.not_IP)) {
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union cvmx_pip_ip_offset pip_ip_offset;
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pip_ip_offset.u64 = csr_rd(CVMX_PIP_IP_OFFSET);
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buffer_ptr.s.addr +=
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(pip_ip_offset.s.offset << 3) - work->word2.s.ip_offset;
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buffer_ptr.s.addr += (work->word2.s.is_v6 ^ 1) << 2;
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} else {
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/*
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* WARNING: This code assume that the packet
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* is not RAW. If it was, we would use
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* PIP_GBL_CFG[RAW_SHF] instead of
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* PIP_GBL_CFG[NIP_SHF].
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*/
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union cvmx_pip_gbl_cfg pip_gbl_cfg;
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pip_gbl_cfg.u64 = csr_rd(CVMX_PIP_GBL_CFG);
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buffer_ptr.s.addr += pip_gbl_cfg.s.nip_shf;
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}
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} else {
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buffer_ptr = work->packet_ptr;
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}
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remaining_bytes = cvmx_wqe_get_len(work);
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while (remaining_bytes) {
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/* native cn78xx buffer format, unless legacy-translated */
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if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE) && !wqe->pki_wqe_translated) {
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bptr.u64 = buffer_ptr.u64;
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/* XXX- assumes cache-line aligned buffer */
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start_of_buffer = (bptr.addr >> 7) << 7;
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debug(" Buffer Start:%llx\n", (unsigned long long)start_of_buffer);
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debug(" Buffer Data: %llx\n", (unsigned long long)bptr.addr);
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debug(" Buffer Size: %u\n", bptr.size);
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data_address = (uint8_t *)cvmx_phys_to_ptr(bptr.addr);
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end_of_data = data_address + bptr.size;
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} else {
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start_of_buffer = ((buffer_ptr.s.addr >> 7) - buffer_ptr.s.back) << 7;
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debug(" Buffer Start:%llx\n", (unsigned long long)start_of_buffer);
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debug(" Buffer I : %u\n", buffer_ptr.s.i);
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debug(" Buffer Back: %u\n", buffer_ptr.s.back);
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debug(" Buffer Pool: %u\n", buffer_ptr.s.pool);
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debug(" Buffer Data: %llx\n", (unsigned long long)buffer_ptr.s.addr);
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debug(" Buffer Size: %u\n", buffer_ptr.s.size);
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data_address = (uint8_t *)cvmx_phys_to_ptr(buffer_ptr.s.addr);
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end_of_data = data_address + buffer_ptr.s.size;
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}
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debug("\t\t");
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count = 0;
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while (data_address < end_of_data) {
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if (remaining_bytes == 0)
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break;
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remaining_bytes--;
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debug("%02x", (unsigned int)*data_address);
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data_address++;
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if (remaining_bytes && count == 7) {
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debug("\n\t\t");
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count = 0;
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} else {
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count++;
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}
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}
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debug("\n");
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if (remaining_bytes) {
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if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE) &&
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!wqe->pki_wqe_translated)
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buffer_ptr.u64 = *(uint64_t *)cvmx_phys_to_ptr(bptr.addr - 8);
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else
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buffer_ptr.u64 =
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*(uint64_t *)cvmx_phys_to_ptr(buffer_ptr.s.addr - 8);
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}
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}
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return 0;
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}
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/**
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* @INTERNAL
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*
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* Extract NO_WPTR mode from PIP/IPD register
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*/
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static int __cvmx_ipd_mode_no_wptr(void)
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{
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if (octeon_has_feature(OCTEON_FEATURE_NO_WPTR)) {
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cvmx_ipd_ctl_status_t ipd_ctl_status;
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ipd_ctl_status.u64 = csr_rd(CVMX_IPD_CTL_STATUS);
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return ipd_ctl_status.s.no_wptr;
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}
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return 0;
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}
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static cvmx_buf_ptr_t __cvmx_packet_short_ptr[4];
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static int8_t __cvmx_wqe_pool = -1;
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/**
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* @INTERNAL
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* Prepare packet pointer templace for dynamic short
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* packets.
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*/
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static void cvmx_packet_short_ptr_calculate(void)
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{
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unsigned int i, off;
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union cvmx_pip_gbl_cfg pip_gbl_cfg;
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union cvmx_pip_ip_offset pip_ip_offset;
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/* Fill in the common values for all cases */
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for (i = 0; i < 4; i++) {
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if (__cvmx_ipd_mode_no_wptr())
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/* packet pool, set to 0 in hardware */
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__cvmx_wqe_pool = 0;
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else
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/* WQE pool as configured */
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__cvmx_wqe_pool = csr_rd(CVMX_IPD_WQE_FPA_QUEUE) & 7;
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__cvmx_packet_short_ptr[i].s.pool = __cvmx_wqe_pool;
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__cvmx_packet_short_ptr[i].s.size = cvmx_fpa_get_block_size(__cvmx_wqe_pool);
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__cvmx_packet_short_ptr[i].s.size -= 32;
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__cvmx_packet_short_ptr[i].s.addr = 32;
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}
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pip_gbl_cfg.u64 = csr_rd(CVMX_PIP_GBL_CFG);
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pip_ip_offset.u64 = csr_rd(CVMX_PIP_IP_OFFSET);
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/* RAW_FULL: index = 0 */
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i = 0;
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off = pip_gbl_cfg.s.raw_shf;
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__cvmx_packet_short_ptr[i].s.addr += off;
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__cvmx_packet_short_ptr[i].s.size -= off;
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__cvmx_packet_short_ptr[i].s.back += off >> 7;
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/* NON-IP: index = 1 */
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i = 1;
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off = pip_gbl_cfg.s.nip_shf;
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__cvmx_packet_short_ptr[i].s.addr += off;
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__cvmx_packet_short_ptr[i].s.size -= off;
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__cvmx_packet_short_ptr[i].s.back += off >> 7;
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/* IPv4: index = 2 */
|
||
|
i = 2;
|
||
|
off = (pip_ip_offset.s.offset << 3) + 4;
|
||
|
__cvmx_packet_short_ptr[i].s.addr += off;
|
||
|
__cvmx_packet_short_ptr[i].s.size -= off;
|
||
|
__cvmx_packet_short_ptr[i].s.back += off >> 7;
|
||
|
|
||
|
/* IPv6: index = 3 */
|
||
|
i = 3;
|
||
|
off = (pip_ip_offset.s.offset << 3) + 0;
|
||
|
__cvmx_packet_short_ptr[i].s.addr += off;
|
||
|
__cvmx_packet_short_ptr[i].s.size -= off;
|
||
|
__cvmx_packet_short_ptr[i].s.back += off >> 7;
|
||
|
|
||
|
/* For IPv4/IPv6: subtract work->word2.s.ip_offset
|
||
|
* to addr, if it is smaller than IP_OFFSET[OFFSET]*8
|
||
|
* which is stored in __cvmx_packet_short_ptr[3].s.addr
|
||
|
*/
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Extract packet data buffer pointer from work queue entry.
|
||
|
*
|
||
|
* Returns the legacy (Octeon1/Octeon2) buffer pointer structure
|
||
|
* for the linked buffer list.
|
||
|
* On CN78XX, the native buffer pointer structure is converted into
|
||
|
* the legacy format.
|
||
|
* The legacy buf_ptr is then stored in the WQE, and word0 reserved
|
||
|
* field is set to indicate that the buffer pointers were translated.
|
||
|
* If the packet data is only found inside the work queue entry,
|
||
|
* a standard buffer pointer structure is created for it.
|
||
|
*/
|
||
|
cvmx_buf_ptr_t cvmx_wqe_get_packet_ptr(cvmx_wqe_t *work)
|
||
|
{
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
|
||
|
cvmx_wqe_78xx_t *wqe = (void *)work;
|
||
|
cvmx_buf_ptr_t optr, lptr;
|
||
|
cvmx_buf_ptr_pki_t nptr;
|
||
|
unsigned int pool, bufs;
|
||
|
int node = cvmx_get_node_num();
|
||
|
|
||
|
/* In case of repeated calls of this function */
|
||
|
if (wqe->pki_wqe_translated || wqe->word2.software) {
|
||
|
optr.u64 = wqe->packet_ptr.u64;
|
||
|
return optr;
|
||
|
}
|
||
|
|
||
|
bufs = wqe->word0.bufs;
|
||
|
pool = wqe->word0.aura;
|
||
|
nptr.u64 = wqe->packet_ptr.u64;
|
||
|
|
||
|
optr.u64 = 0;
|
||
|
optr.s.pool = pool;
|
||
|
optr.s.addr = nptr.addr;
|
||
|
if (bufs == 1) {
|
||
|
optr.s.size = pki_dflt_pool[node].buffer_size -
|
||
|
pki_dflt_style[node].parm_cfg.first_skip - 8 -
|
||
|
wqe->word0.apad;
|
||
|
} else {
|
||
|
optr.s.size = nptr.size;
|
||
|
}
|
||
|
|
||
|
/* Calculate the "back" offset */
|
||
|
if (!nptr.packet_outside_wqe) {
|
||
|
optr.s.back = (nptr.addr -
|
||
|
cvmx_ptr_to_phys(wqe)) >> 7;
|
||
|
} else {
|
||
|
optr.s.back =
|
||
|
(pki_dflt_style[node].parm_cfg.first_skip +
|
||
|
8 + wqe->word0.apad) >> 7;
|
||
|
}
|
||
|
lptr = optr;
|
||
|
|
||
|
/* Follow pointer and convert all linked pointers */
|
||
|
while (bufs > 1) {
|
||
|
void *vptr;
|
||
|
|
||
|
vptr = cvmx_phys_to_ptr(lptr.s.addr);
|
||
|
|
||
|
memcpy(&nptr, vptr - 8, 8);
|
||
|
/*
|
||
|
* Errata (PKI-20776) PKI_BUFLINK_S's are endian-swapped
|
||
|
* CN78XX pass 1.x has a bug where the packet pointer
|
||
|
* in each segment is written in the opposite
|
||
|
* endianness of the configured mode. Fix these here
|
||
|
*/
|
||
|
if (OCTEON_IS_MODEL(OCTEON_CN78XX_PASS1_X))
|
||
|
nptr.u64 = __builtin_bswap64(nptr.u64);
|
||
|
lptr.u64 = 0;
|
||
|
lptr.s.pool = pool;
|
||
|
lptr.s.addr = nptr.addr;
|
||
|
lptr.s.size = nptr.size;
|
||
|
lptr.s.back = (pki_dflt_style[0].parm_cfg.later_skip + 8) >>
|
||
|
7; /* TBD: not guaranteed !! */
|
||
|
|
||
|
memcpy(vptr - 8, &lptr, 8);
|
||
|
bufs--;
|
||
|
}
|
||
|
/* Store translated bufptr in WQE, and set indicator */
|
||
|
wqe->pki_wqe_translated = 1;
|
||
|
wqe->packet_ptr.u64 = optr.u64;
|
||
|
return optr;
|
||
|
|
||
|
} else {
|
||
|
unsigned int i;
|
||
|
unsigned int off = 0;
|
||
|
cvmx_buf_ptr_t bptr;
|
||
|
|
||
|
if (cvmx_likely(work->word2.s.bufs > 0))
|
||
|
return work->packet_ptr;
|
||
|
|
||
|
if (cvmx_unlikely(work->word2.s.software))
|
||
|
return work->packet_ptr;
|
||
|
|
||
|
/* first packet, precalculate packet_ptr templaces */
|
||
|
if (cvmx_unlikely(__cvmx_packet_short_ptr[0].u64 == 0))
|
||
|
cvmx_packet_short_ptr_calculate();
|
||
|
|
||
|
/* calculate templace index */
|
||
|
i = work->word2.s_cn38xx.not_IP | work->word2.s_cn38xx.rcv_error;
|
||
|
i = 2 ^ (i << 1);
|
||
|
|
||
|
/* IPv4/IPv6: Adjust IP offset */
|
||
|
if (cvmx_likely(i & 2)) {
|
||
|
i |= work->word2.s.is_v6;
|
||
|
off = work->word2.s.ip_offset;
|
||
|
} else {
|
||
|
/* RAWFULL/RAWSCHED should be handled here */
|
||
|
i = 1; /* not-IP */
|
||
|
off = 0;
|
||
|
}
|
||
|
|
||
|
/* Get the right templace */
|
||
|
bptr = __cvmx_packet_short_ptr[i];
|
||
|
bptr.s.addr -= off;
|
||
|
bptr.s.back = bptr.s.addr >> 7;
|
||
|
|
||
|
/* Add actual WQE paddr to the templace offset */
|
||
|
bptr.s.addr += cvmx_ptr_to_phys(work);
|
||
|
|
||
|
/* Adjust word2.bufs so that _free_data() handles it
|
||
|
* in the same way as PKO
|
||
|
*/
|
||
|
work->word2.s.bufs = 1;
|
||
|
|
||
|
/* Store the new buffer pointer back into WQE */
|
||
|
work->packet_ptr = bptr;
|
||
|
|
||
|
/* Returned the synthetic buffer_pointer */
|
||
|
return bptr;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void cvmx_wqe_free(cvmx_wqe_t *work)
|
||
|
{
|
||
|
unsigned int bufs, ncl = 1;
|
||
|
u64 paddr, paddr1;
|
||
|
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
|
||
|
cvmx_wqe_78xx_t *wqe = (void *)work;
|
||
|
cvmx_fpa3_gaura_t aura;
|
||
|
cvmx_buf_ptr_pki_t bptr;
|
||
|
|
||
|
bufs = wqe->word0.bufs;
|
||
|
|
||
|
if (!wqe->pki_wqe_translated && bufs != 0) {
|
||
|
/* Handle cn78xx native untralsated WQE */
|
||
|
|
||
|
bptr = wqe->packet_ptr;
|
||
|
|
||
|
/* Do nothing - first packet buffer shares WQE buffer */
|
||
|
if (!bptr.packet_outside_wqe)
|
||
|
return;
|
||
|
} else if (cvmx_likely(bufs != 0)) {
|
||
|
/* Handle translated 78XX WQE */
|
||
|
paddr = (work->packet_ptr.s.addr & (~0x7full)) -
|
||
|
(work->packet_ptr.s.back << 7);
|
||
|
paddr1 = cvmx_ptr_to_phys(work);
|
||
|
|
||
|
/* do not free WQE if contains first data buffer */
|
||
|
if (paddr == paddr1)
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
/* WQE is separate from packet buffer, free it */
|
||
|
aura = __cvmx_fpa3_gaura(wqe->word0.aura >> 10, wqe->word0.aura & 0x3ff);
|
||
|
|
||
|
cvmx_fpa3_free(work, aura, ncl);
|
||
|
} else {
|
||
|
/* handle legacy WQE */
|
||
|
bufs = work->word2.s_cn38xx.bufs;
|
||
|
|
||
|
if (cvmx_likely(bufs != 0)) {
|
||
|
/* Check if the first data buffer is inside WQE */
|
||
|
paddr = (work->packet_ptr.s.addr & (~0x7full)) -
|
||
|
(work->packet_ptr.s.back << 7);
|
||
|
paddr1 = cvmx_ptr_to_phys(work);
|
||
|
|
||
|
/* do not free WQE if contains first data buffer */
|
||
|
if (paddr == paddr1)
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
/* precalculate packet_ptr, WQE pool number */
|
||
|
if (cvmx_unlikely(__cvmx_wqe_pool < 0))
|
||
|
cvmx_packet_short_ptr_calculate();
|
||
|
cvmx_fpa1_free(work, __cvmx_wqe_pool, ncl);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Free the packet buffers contained in a work queue entry.
|
||
|
* The work queue entry is also freed if it contains packet data.
|
||
|
* If however the packet starts outside the WQE, the WQE will
|
||
|
* not be freed. The application should call cvmx_wqe_free()
|
||
|
* to free the WQE buffer that contains no packet data.
|
||
|
*
|
||
|
* @param work Work queue entry with packet to free
|
||
|
*/
|
||
|
void cvmx_helper_free_packet_data(cvmx_wqe_t *work)
|
||
|
{
|
||
|
u64 number_buffers;
|
||
|
u64 start_of_buffer;
|
||
|
u64 next_buffer_ptr;
|
||
|
cvmx_fpa3_gaura_t aura;
|
||
|
unsigned int ncl;
|
||
|
cvmx_buf_ptr_t buffer_ptr;
|
||
|
cvmx_buf_ptr_pki_t bptr;
|
||
|
cvmx_wqe_78xx_t *wqe = (void *)work;
|
||
|
int o3_pki_wqe = 0;
|
||
|
|
||
|
number_buffers = cvmx_wqe_get_bufs(work);
|
||
|
|
||
|
buffer_ptr.u64 = work->packet_ptr.u64;
|
||
|
|
||
|
/* Zero-out WQE WORD3 so that the WQE is freed by cvmx_wqe_free() */
|
||
|
work->packet_ptr.u64 = 0;
|
||
|
|
||
|
if (number_buffers == 0)
|
||
|
return;
|
||
|
|
||
|
/* Interpret PKI-style bufptr unless it has been translated */
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE) &&
|
||
|
!wqe->pki_wqe_translated) {
|
||
|
o3_pki_wqe = 1;
|
||
|
cvmx_wqe_pki_errata_20776(work);
|
||
|
aura = __cvmx_fpa3_gaura(wqe->word0.aura >> 10,
|
||
|
wqe->word0.aura & 0x3ff);
|
||
|
} else {
|
||
|
start_of_buffer = ((buffer_ptr.s.addr >> 7) -
|
||
|
buffer_ptr.s.back) << 7;
|
||
|
next_buffer_ptr =
|
||
|
*(uint64_t *)cvmx_phys_to_ptr(buffer_ptr.s.addr - 8);
|
||
|
/*
|
||
|
* Since the number of buffers is not zero, we know this is not
|
||
|
* a dynamic short packet. We need to check if it is a packet
|
||
|
* received with IPD_CTL_STATUS[NO_WPTR]. If this is true,
|
||
|
* we need to free all buffers except for the first one.
|
||
|
* The caller doesn't expect their WQE pointer to be freed
|
||
|
*/
|
||
|
if (cvmx_ptr_to_phys(work) == start_of_buffer) {
|
||
|
buffer_ptr.u64 = next_buffer_ptr;
|
||
|
number_buffers--;
|
||
|
}
|
||
|
}
|
||
|
while (number_buffers--) {
|
||
|
if (o3_pki_wqe) {
|
||
|
bptr.u64 = buffer_ptr.u64;
|
||
|
|
||
|
ncl = (bptr.size + CVMX_CACHE_LINE_SIZE - 1) /
|
||
|
CVMX_CACHE_LINE_SIZE;
|
||
|
|
||
|
/* XXX- assumes the buffer is cache-line aligned */
|
||
|
start_of_buffer = (bptr.addr >> 7) << 7;
|
||
|
|
||
|
/*
|
||
|
* Read pointer to next buffer before we free the
|
||
|
* current buffer.
|
||
|
*/
|
||
|
next_buffer_ptr = *(uint64_t *)cvmx_phys_to_ptr(bptr.addr - 8);
|
||
|
/* FPA AURA comes from WQE, includes node */
|
||
|
cvmx_fpa3_free(cvmx_phys_to_ptr(start_of_buffer),
|
||
|
aura, ncl);
|
||
|
} else {
|
||
|
ncl = (buffer_ptr.s.size + CVMX_CACHE_LINE_SIZE - 1) /
|
||
|
CVMX_CACHE_LINE_SIZE +
|
||
|
buffer_ptr.s.back;
|
||
|
/*
|
||
|
* Calculate buffer start using "back" offset,
|
||
|
* Remember the back pointer is in cache lines,
|
||
|
* not 64bit words
|
||
|
*/
|
||
|
start_of_buffer = ((buffer_ptr.s.addr >> 7) -
|
||
|
buffer_ptr.s.back) << 7;
|
||
|
/*
|
||
|
* Read pointer to next buffer before we free
|
||
|
* the current buffer.
|
||
|
*/
|
||
|
next_buffer_ptr =
|
||
|
*(uint64_t *)cvmx_phys_to_ptr(buffer_ptr.s.addr - 8);
|
||
|
/* FPA pool comes from buf_ptr itself */
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
|
||
|
aura = cvmx_fpa1_pool_to_fpa3_aura(buffer_ptr.s.pool);
|
||
|
cvmx_fpa3_free(cvmx_phys_to_ptr(start_of_buffer),
|
||
|
aura, ncl);
|
||
|
} else {
|
||
|
cvmx_fpa1_free(cvmx_phys_to_ptr(start_of_buffer),
|
||
|
buffer_ptr.s.pool, ncl);
|
||
|
}
|
||
|
}
|
||
|
buffer_ptr.u64 = next_buffer_ptr;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void cvmx_helper_setup_legacy_red(int pass_thresh, int drop_thresh)
|
||
|
{
|
||
|
unsigned int node = cvmx_get_node_num();
|
||
|
int aura, bpid;
|
||
|
int buf_cnt;
|
||
|
bool ena_red = 0, ena_drop = 0, ena_bp = 0;
|
||
|
|
||
|
#define FPA_RED_AVG_DLY 1
|
||
|
#define FPA_RED_LVL_DLY 3
|
||
|
#define FPA_QOS_AVRG 0
|
||
|
/* Trying to make it backward compatible with older chips */
|
||
|
|
||
|
/* Setting up avg_dly and prb_dly, enable bits */
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_FPA3)) {
|
||
|
cvmx_fpa3_config_red_params(node, FPA_QOS_AVRG,
|
||
|
FPA_RED_LVL_DLY, FPA_RED_AVG_DLY);
|
||
|
}
|
||
|
|
||
|
/* Disable backpressure on queued buffers which is aura in 78xx*/
|
||
|
/*
|
||
|
* Assumption is that all packets from all interface and ports goes
|
||
|
* in same poolx/aurax for backward compatibility
|
||
|
*/
|
||
|
aura = cvmx_fpa_get_packet_pool();
|
||
|
buf_cnt = cvmx_fpa_get_packet_pool_buffer_count();
|
||
|
pass_thresh = buf_cnt - pass_thresh;
|
||
|
drop_thresh = buf_cnt - drop_thresh;
|
||
|
/* Map aura to bpid 0*/
|
||
|
bpid = 0;
|
||
|
cvmx_pki_write_aura_bpid(node, aura, bpid);
|
||
|
/* Don't enable back pressure */
|
||
|
ena_bp = 0;
|
||
|
/* enable RED */
|
||
|
ena_red = 1;
|
||
|
/*
|
||
|
* This will enable RED on all interfaces since
|
||
|
* they all have packet buffer coming from same aura
|
||
|
*/
|
||
|
cvmx_helper_setup_aura_qos(node, aura, ena_red, ena_drop, pass_thresh,
|
||
|
drop_thresh, ena_bp, 0);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Setup Random Early Drop to automatically begin dropping packets.
|
||
|
*
|
||
|
* @param pass_thresh
|
||
|
* Packets will begin slowly dropping when there are less than
|
||
|
* this many packet buffers free in FPA 0.
|
||
|
* @param drop_thresh
|
||
|
* All incoming packets will be dropped when there are less
|
||
|
* than this many free packet buffers in FPA 0.
|
||
|
* @return Zero on success. Negative on failure
|
||
|
*/
|
||
|
int cvmx_helper_setup_red(int pass_thresh, int drop_thresh)
|
||
|
{
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_PKI))
|
||
|
cvmx_helper_setup_legacy_red(pass_thresh, drop_thresh);
|
||
|
else
|
||
|
cvmx_ipd_setup_red(pass_thresh, drop_thresh);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @INTERNAL
|
||
|
* Setup the common GMX settings that determine the number of
|
||
|
* ports. These setting apply to almost all configurations of all
|
||
|
* chips.
|
||
|
*
|
||
|
* @param xiface Interface to configure
|
||
|
* @param num_ports Number of ports on the interface
|
||
|
*
|
||
|
* @return Zero on success, negative on failure
|
||
|
*/
|
||
|
int __cvmx_helper_setup_gmx(int xiface, int num_ports)
|
||
|
{
|
||
|
union cvmx_gmxx_tx_prts gmx_tx_prts;
|
||
|
union cvmx_gmxx_rx_prts gmx_rx_prts;
|
||
|
union cvmx_pko_reg_gmx_port_mode pko_mode;
|
||
|
union cvmx_gmxx_txx_thresh gmx_tx_thresh;
|
||
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
||
|
int index;
|
||
|
|
||
|
/*
|
||
|
* The common BGX settings are already done in the appropriate
|
||
|
* enable functions, nothing to do here.
|
||
|
*/
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_BGX))
|
||
|
return 0;
|
||
|
|
||
|
/* Tell GMX the number of TX ports on this interface */
|
||
|
gmx_tx_prts.u64 = csr_rd(CVMX_GMXX_TX_PRTS(xi.interface));
|
||
|
gmx_tx_prts.s.prts = num_ports;
|
||
|
csr_wr(CVMX_GMXX_TX_PRTS(xi.interface), gmx_tx_prts.u64);
|
||
|
|
||
|
/*
|
||
|
* Tell GMX the number of RX ports on this interface. This only applies
|
||
|
* to *GMII and XAUI ports.
|
||
|
*/
|
||
|
switch (cvmx_helper_interface_get_mode(xiface)) {
|
||
|
case CVMX_HELPER_INTERFACE_MODE_RGMII:
|
||
|
case CVMX_HELPER_INTERFACE_MODE_SGMII:
|
||
|
case CVMX_HELPER_INTERFACE_MODE_QSGMII:
|
||
|
case CVMX_HELPER_INTERFACE_MODE_GMII:
|
||
|
case CVMX_HELPER_INTERFACE_MODE_XAUI:
|
||
|
case CVMX_HELPER_INTERFACE_MODE_RXAUI:
|
||
|
if (num_ports > 4) {
|
||
|
debug("%s: Illegal num_ports\n", __func__);
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
gmx_rx_prts.u64 = csr_rd(CVMX_GMXX_RX_PRTS(xi.interface));
|
||
|
gmx_rx_prts.s.prts = num_ports;
|
||
|
csr_wr(CVMX_GMXX_RX_PRTS(xi.interface), gmx_rx_prts.u64);
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Skip setting CVMX_PKO_REG_GMX_PORT_MODE on 30XX, 31XX, 50XX,
|
||
|
* and 68XX.
|
||
|
*/
|
||
|
if (!OCTEON_IS_MODEL(OCTEON_CN68XX)) {
|
||
|
/* Tell PKO the number of ports on this interface */
|
||
|
pko_mode.u64 = csr_rd(CVMX_PKO_REG_GMX_PORT_MODE);
|
||
|
if (xi.interface == 0) {
|
||
|
if (num_ports == 1)
|
||
|
pko_mode.s.mode0 = 4;
|
||
|
else if (num_ports == 2)
|
||
|
pko_mode.s.mode0 = 3;
|
||
|
else if (num_ports <= 4)
|
||
|
pko_mode.s.mode0 = 2;
|
||
|
else if (num_ports <= 8)
|
||
|
pko_mode.s.mode0 = 1;
|
||
|
else
|
||
|
pko_mode.s.mode0 = 0;
|
||
|
} else {
|
||
|
if (num_ports == 1)
|
||
|
pko_mode.s.mode1 = 4;
|
||
|
else if (num_ports == 2)
|
||
|
pko_mode.s.mode1 = 3;
|
||
|
else if (num_ports <= 4)
|
||
|
pko_mode.s.mode1 = 2;
|
||
|
else if (num_ports <= 8)
|
||
|
pko_mode.s.mode1 = 1;
|
||
|
else
|
||
|
pko_mode.s.mode1 = 0;
|
||
|
}
|
||
|
csr_wr(CVMX_PKO_REG_GMX_PORT_MODE, pko_mode.u64);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Set GMX to buffer as much data as possible before starting
|
||
|
* transmit. This reduces the chances that we have a TX under run
|
||
|
* due to memory contention. Any packet that fits entirely in the
|
||
|
* GMX FIFO can never have an under run regardless of memory load.
|
||
|
*/
|
||
|
gmx_tx_thresh.u64 = csr_rd(CVMX_GMXX_TXX_THRESH(0, xi.interface));
|
||
|
/* ccn - common cnt numberator */
|
||
|
int ccn = 0x100;
|
||
|
|
||
|
/* Choose the max value for the number of ports */
|
||
|
if (num_ports <= 1)
|
||
|
gmx_tx_thresh.s.cnt = ccn / 1;
|
||
|
else if (num_ports == 2)
|
||
|
gmx_tx_thresh.s.cnt = ccn / 2;
|
||
|
else
|
||
|
gmx_tx_thresh.s.cnt = ccn / 4;
|
||
|
|
||
|
/*
|
||
|
* SPI and XAUI can have lots of ports but the GMX hardware
|
||
|
* only ever has a max of 4
|
||
|
*/
|
||
|
if (num_ports > 4)
|
||
|
num_ports = 4;
|
||
|
for (index = 0; index < num_ports; index++)
|
||
|
csr_wr(CVMX_GMXX_TXX_THRESH(index, xi.interface), gmx_tx_thresh.u64);
|
||
|
|
||
|
/*
|
||
|
* For o68, we need to setup the pipes
|
||
|
*/
|
||
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX) && xi.interface < CVMX_HELPER_MAX_GMX) {
|
||
|
union cvmx_gmxx_txx_pipe config;
|
||
|
|
||
|
for (index = 0; index < num_ports; index++) {
|
||
|
config.u64 = 0;
|
||
|
|
||
|
if (__cvmx_helper_cfg_pko_port_base(xiface, index) >= 0) {
|
||
|
config.u64 = csr_rd(CVMX_GMXX_TXX_PIPE(index,
|
||
|
xi.interface));
|
||
|
config.s.nump = __cvmx_helper_cfg_pko_port_num(xiface,
|
||
|
index);
|
||
|
config.s.base = __cvmx_helper_cfg_pko_port_base(xiface,
|
||
|
index);
|
||
|
csr_wr(CVMX_GMXX_TXX_PIPE(index, xi.interface),
|
||
|
config.u64);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int cvmx_helper_get_pko_port(int interface, int port)
|
||
|
{
|
||
|
return cvmx_pko_get_base_pko_port(interface, port);
|
||
|
}
|
||
|
|
||
|
int cvmx_helper_get_ipd_port(int xiface, int index)
|
||
|
{
|
||
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
||
|
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_PKND)) {
|
||
|
const struct ipd_port_map *port_map;
|
||
|
int ipd_port;
|
||
|
|
||
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
|
||
|
port_map = ipd_port_map_68xx;
|
||
|
ipd_port = 0;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CN78XX)) {
|
||
|
port_map = ipd_port_map_78xx;
|
||
|
ipd_port = cvmx_helper_node_to_ipd_port(xi.node, 0);
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CN73XX)) {
|
||
|
port_map = ipd_port_map_73xx;
|
||
|
ipd_port = 0;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CNF75XX)) {
|
||
|
port_map = ipd_port_map_75xx;
|
||
|
ipd_port = 0;
|
||
|
} else {
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
ipd_port += port_map[xi.interface].first_ipd_port;
|
||
|
if (port_map[xi.interface].type == GMII) {
|
||
|
cvmx_helper_interface_mode_t mode;
|
||
|
|
||
|
mode = cvmx_helper_interface_get_mode(xiface);
|
||
|
if (mode == CVMX_HELPER_INTERFACE_MODE_XAUI ||
|
||
|
(mode == CVMX_HELPER_INTERFACE_MODE_RXAUI &&
|
||
|
OCTEON_IS_MODEL(OCTEON_CN68XX))) {
|
||
|
ipd_port += port_map[xi.interface].ipd_port_adj;
|
||
|
return ipd_port;
|
||
|
} else {
|
||
|
return ipd_port + (index * 16);
|
||
|
}
|
||
|
} else if (port_map[xi.interface].type == ILK) {
|
||
|
return ipd_port + index;
|
||
|
} else if (port_map[xi.interface].type == NPI) {
|
||
|
return ipd_port + index;
|
||
|
} else if (port_map[xi.interface].type == SRIO) {
|
||
|
return ipd_port + index;
|
||
|
} else if (port_map[xi.interface].type == LB) {
|
||
|
return ipd_port + index;
|
||
|
}
|
||
|
|
||
|
debug("ERROR: %s: interface %u:%u bad mode\n",
|
||
|
__func__, xi.node, xi.interface);
|
||
|
return -1;
|
||
|
} else if (cvmx_helper_interface_get_mode(xiface) ==
|
||
|
CVMX_HELPER_INTERFACE_MODE_AGL) {
|
||
|
return 24;
|
||
|
}
|
||
|
|
||
|
switch (xi.interface) {
|
||
|
case 0:
|
||
|
return index;
|
||
|
case 1:
|
||
|
return index + 16;
|
||
|
case 2:
|
||
|
return index + 32;
|
||
|
case 3:
|
||
|
return index + 36;
|
||
|
case 4:
|
||
|
return index + 40;
|
||
|
case 5:
|
||
|
return index + 42;
|
||
|
case 6:
|
||
|
return index + 44;
|
||
|
case 7:
|
||
|
return index + 46;
|
||
|
}
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
int cvmx_helper_get_pknd(int xiface, int index)
|
||
|
{
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_PKND))
|
||
|
return __cvmx_helper_cfg_pknd(xiface, index);
|
||
|
|
||
|
return CVMX_INVALID_PKND;
|
||
|
}
|
||
|
|
||
|
int cvmx_helper_get_bpid(int interface, int port)
|
||
|
{
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_PKND))
|
||
|
return __cvmx_helper_cfg_bpid(interface, port);
|
||
|
|
||
|
return CVMX_INVALID_BPID;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Display interface statistics.
|
||
|
*
|
||
|
* @param port IPD/PKO port number
|
||
|
*
|
||
|
* @return none
|
||
|
*/
|
||
|
void cvmx_helper_show_stats(int port)
|
||
|
{
|
||
|
cvmx_pip_port_status_t status;
|
||
|
cvmx_pko_port_status_t pko_status;
|
||
|
|
||
|
/* ILK stats */
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_ILK))
|
||
|
__cvmx_helper_ilk_show_stats();
|
||
|
|
||
|
/* PIP stats */
|
||
|
cvmx_pip_get_port_stats(port, 0, &status);
|
||
|
debug("port %d: the number of packets - ipd: %d\n", port,
|
||
|
(int)status.packets);
|
||
|
|
||
|
/* PKO stats */
|
||
|
cvmx_pko_get_port_status(port, 0, &pko_status);
|
||
|
debug("port %d: the number of packets - pko: %d\n", port,
|
||
|
(int)pko_status.packets);
|
||
|
|
||
|
/* TODO: other stats */
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the interface number for an IPD/PKO port number.
|
||
|
*
|
||
|
* @param ipd_port IPD/PKO port number
|
||
|
*
|
||
|
* @return Interface number
|
||
|
*/
|
||
|
int cvmx_helper_get_interface_num(int ipd_port)
|
||
|
{
|
||
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
|
||
|
const struct ipd_port_map *port_map;
|
||
|
int i;
|
||
|
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(ipd_port);
|
||
|
|
||
|
port_map = ipd_port_map_68xx;
|
||
|
for (i = 0; i < CVMX_HELPER_MAX_IFACE; i++) {
|
||
|
if (xp.port >= port_map[i].first_ipd_port &&
|
||
|
xp.port <= port_map[i].last_ipd_port)
|
||
|
return i;
|
||
|
}
|
||
|
return -1;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CN78XX)) {
|
||
|
const struct ipd_port_map *port_map;
|
||
|
int i;
|
||
|
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(ipd_port);
|
||
|
|
||
|
port_map = ipd_port_map_78xx;
|
||
|
for (i = 0; i < CVMX_HELPER_MAX_IFACE; i++) {
|
||
|
if (xp.port >= port_map[i].first_ipd_port &&
|
||
|
xp.port <= port_map[i].last_ipd_port)
|
||
|
return cvmx_helper_node_interface_to_xiface(xp.node, i);
|
||
|
}
|
||
|
return -1;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CN73XX)) {
|
||
|
const struct ipd_port_map *port_map;
|
||
|
int i;
|
||
|
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(ipd_port);
|
||
|
|
||
|
port_map = ipd_port_map_73xx;
|
||
|
for (i = 0; i < CVMX_HELPER_MAX_IFACE; i++) {
|
||
|
if (xp.port >= port_map[i].first_ipd_port &&
|
||
|
xp.port <= port_map[i].last_ipd_port)
|
||
|
return i;
|
||
|
}
|
||
|
return -1;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CNF75XX)) {
|
||
|
const struct ipd_port_map *port_map;
|
||
|
int i;
|
||
|
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(ipd_port);
|
||
|
|
||
|
port_map = ipd_port_map_75xx;
|
||
|
for (i = 0; i < CVMX_HELPER_MAX_IFACE; i++) {
|
||
|
if (xp.port >= port_map[i].first_ipd_port &&
|
||
|
xp.port <= port_map[i].last_ipd_port)
|
||
|
return i;
|
||
|
}
|
||
|
return -1;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CN70XX) && ipd_port == 24) {
|
||
|
return 4;
|
||
|
}
|
||
|
|
||
|
if (ipd_port < 16)
|
||
|
return 0;
|
||
|
else if (ipd_port < 32)
|
||
|
return 1;
|
||
|
else if (ipd_port < 36)
|
||
|
return 2;
|
||
|
else if (ipd_port < 40)
|
||
|
return 3;
|
||
|
else if (ipd_port < 42)
|
||
|
return 4;
|
||
|
else if (ipd_port < 44)
|
||
|
return 5;
|
||
|
else if (ipd_port < 46)
|
||
|
return 6;
|
||
|
else if (ipd_port < 48)
|
||
|
return 7;
|
||
|
|
||
|
debug("%s: Illegal IPD port number %d\n", __func__, ipd_port);
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the interface index number for an IPD/PKO port
|
||
|
* number.
|
||
|
*
|
||
|
* @param ipd_port IPD/PKO port number
|
||
|
*
|
||
|
* @return Interface index number
|
||
|
*/
|
||
|
int cvmx_helper_get_interface_index_num(int ipd_port)
|
||
|
{
|
||
|
if (octeon_has_feature(OCTEON_FEATURE_PKND)) {
|
||
|
const struct ipd_port_map *port_map;
|
||
|
int port;
|
||
|
enum port_map_if_type type = INVALID_IF_TYPE;
|
||
|
int i;
|
||
|
int num_interfaces;
|
||
|
|
||
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
|
||
|
port_map = ipd_port_map_68xx;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CN78XX)) {
|
||
|
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(ipd_port);
|
||
|
|
||
|
port_map = ipd_port_map_78xx;
|
||
|
ipd_port = xp.port;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CN73XX)) {
|
||
|
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(ipd_port);
|
||
|
|
||
|
port_map = ipd_port_map_73xx;
|
||
|
ipd_port = xp.port;
|
||
|
} else if (OCTEON_IS_MODEL(OCTEON_CNF75XX)) {
|
||
|
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(ipd_port);
|
||
|
|
||
|
port_map = ipd_port_map_75xx;
|
||
|
ipd_port = xp.port;
|
||
|
} else {
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
num_interfaces = cvmx_helper_get_number_of_interfaces();
|
||
|
|
||
|
/* Get the interface type of the ipd port */
|
||
|
for (i = 0; i < num_interfaces; i++) {
|
||
|
if (ipd_port >= port_map[i].first_ipd_port &&
|
||
|
ipd_port <= port_map[i].last_ipd_port) {
|
||
|
type = port_map[i].type;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Convert the ipd port to the interface port */
|
||
|
switch (type) {
|
||
|
/* Ethernet interfaces have a channel in lower 4 bits
|
||
|
* that is does not discriminate traffic, and is ignored.
|
||
|
*/
|
||
|
case GMII:
|
||
|
port = ipd_port - port_map[i].first_ipd_port;
|
||
|
|
||
|
/* CN68XX adds 0x40 to IPD_PORT when in XAUI/RXAUI
|
||
|
* mode of operation, adjust for that case
|
||
|
*/
|
||
|
if (port >= port_map[i].ipd_port_adj)
|
||
|
port -= port_map[i].ipd_port_adj;
|
||
|
|
||
|
port >>= 4;
|
||
|
return port;
|
||
|
|
||
|
/*
|
||
|
* These interfaces do not have physical ports,
|
||
|
* but have logical channels instead that separate
|
||
|
* traffic into logical streams
|
||
|
*/
|
||
|
case ILK:
|
||
|
case SRIO:
|
||
|
case NPI:
|
||
|
case LB:
|
||
|
port = ipd_port - port_map[i].first_ipd_port;
|
||
|
return port;
|
||
|
|
||
|
default:
|
||
|
printf("ERROR: %s: Illegal IPD port number %#x\n",
|
||
|
__func__, ipd_port);
|
||
|
return -1;
|
||
|
}
|
||
|
}
|
||
|
if (OCTEON_IS_MODEL(OCTEON_CN70XX))
|
||
|
return ipd_port & 3;
|
||
|
if (ipd_port < 32)
|
||
|
return ipd_port & 15;
|
||
|
else if (ipd_port < 40)
|
||
|
return ipd_port & 3;
|
||
|
else if (ipd_port < 48)
|
||
|
return ipd_port & 1;
|
||
|
|
||
|
debug("%s: Illegal IPD port number\n", __func__);
|
||
|
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Prints out a buffer with the address, hex bytes, and ASCII
|
||
|
*
|
||
|
* @param addr Start address to print on the left
|
||
|
* @param[in] buffer array of bytes to print
|
||
|
* @param count Number of bytes to print
|
||
|
*/
|
||
|
void cvmx_print_buffer_u8(unsigned int addr, const uint8_t *buffer,
|
||
|
size_t count)
|
||
|
{
|
||
|
uint i;
|
||
|
|
||
|
while (count) {
|
||
|
unsigned int linelen = count < 16 ? count : 16;
|
||
|
|
||
|
debug("%08x:", addr);
|
||
|
|
||
|
for (i = 0; i < linelen; i++)
|
||
|
debug(" %0*x", 2, buffer[i]);
|
||
|
|
||
|
while (i++ < 17)
|
||
|
debug(" ");
|
||
|
|
||
|
for (i = 0; i < linelen; i++) {
|
||
|
if (buffer[i] >= 0x20 && buffer[i] < 0x7f)
|
||
|
debug("%c", buffer[i]);
|
||
|
else
|
||
|
debug(".");
|
||
|
}
|
||
|
debug("\n");
|
||
|
addr += linelen;
|
||
|
buffer += linelen;
|
||
|
count -= linelen;
|
||
|
}
|
||
|
}
|