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1655 lines
39 KiB
1655 lines
39 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/****************************************************************************** |
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* |
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* (C)Copyright 1998,1999 SysKonnect, |
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* a business unit of Schneider & Koch & Co. Datensysteme GmbH. |
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* |
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* See the file "skfddi.c" for further information. |
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* |
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* The information in this file is provided "AS IS" without warranty. |
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* |
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******************************************************************************/ |
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/* |
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Parameter Management Frame processing for SMT 7.2 |
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*/ |
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#include "h/types.h" |
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#include "h/fddi.h" |
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#include "h/smc.h" |
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#include "h/smt_p.h" |
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#define KERNEL |
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#include "h/smtstate.h" |
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#ifndef SLIM_SMT |
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static int smt_authorize(struct s_smc *smc, struct smt_header *sm); |
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static int smt_check_set_count(struct s_smc *smc, struct smt_header *sm); |
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static const struct s_p_tab* smt_get_ptab(u_short para); |
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static int smt_mib_phys(struct s_smc *smc); |
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static int smt_set_para(struct s_smc *smc, struct smt_para *pa, int index, |
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int local, int set); |
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void smt_add_para(struct s_smc *smc, struct s_pcon *pcon, u_short para, |
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int index, int local); |
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static SMbuf *smt_build_pmf_response(struct s_smc *smc, struct smt_header *req, |
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int set, int local); |
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static int port_to_mib(struct s_smc *smc, int p); |
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#define MOFFSS(e) offsetof(struct fddi_mib, e) |
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#define MOFFMS(e) offsetof(struct fddi_mib_m, e) |
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#define MOFFAS(e) offsetof(struct fddi_mib_a, e) |
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#define MOFFPS(e) offsetof(struct fddi_mib_p, e) |
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#define AC_G 0x01 /* Get */ |
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#define AC_GR 0x02 /* Get/Set */ |
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#define AC_S 0x04 /* Set */ |
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#define AC_NA 0x08 |
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#define AC_GROUP 0x10 /* Group */ |
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#define MS2BCLK(x) ((x)*12500L) |
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/* |
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F LFag (byte) |
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B byte |
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S u_short 16 bit |
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C Counter 32 bit |
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L Long 32 bit |
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T Timer_2 32 bit |
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P TimeStamp ; |
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A LongAddress (6 byte) |
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E Enum 16 bit |
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R ResId 16 Bit |
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*/ |
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static const struct s_p_tab { |
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u_short p_num ; /* parameter code */ |
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u_char p_access ; /* access rights */ |
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u_short p_offset ; /* offset in mib */ |
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char p_swap[3] ; /* format string */ |
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} p_tab[] = { |
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/* StationIdGrp */ |
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{ SMT_P100A,AC_GROUP } , |
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{ SMT_P100B,AC_G, MOFFSS(fddiSMTStationId), "8" } , |
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{ SMT_P100D,AC_G, MOFFSS(fddiSMTOpVersionId), "S" } , |
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{ SMT_P100E,AC_G, MOFFSS(fddiSMTHiVersionId), "S" } , |
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{ SMT_P100F,AC_G, MOFFSS(fddiSMTLoVersionId), "S" } , |
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{ SMT_P1010,AC_G, MOFFSS(fddiSMTManufacturerData), "D" } , |
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{ SMT_P1011,AC_GR, MOFFSS(fddiSMTUserData), "D" } , |
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{ SMT_P1012,AC_G, MOFFSS(fddiSMTMIBVersionId), "S" } , |
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/* StationConfigGrp */ |
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{ SMT_P1014,AC_GROUP } , |
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{ SMT_P1015,AC_G, MOFFSS(fddiSMTMac_Ct), "B" } , |
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{ SMT_P1016,AC_G, MOFFSS(fddiSMTNonMaster_Ct), "B" } , |
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{ SMT_P1017,AC_G, MOFFSS(fddiSMTMaster_Ct), "B" } , |
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{ SMT_P1018,AC_G, MOFFSS(fddiSMTAvailablePaths), "B" } , |
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{ SMT_P1019,AC_G, MOFFSS(fddiSMTConfigCapabilities),"S" } , |
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{ SMT_P101A,AC_GR, MOFFSS(fddiSMTConfigPolicy), "wS" } , |
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{ SMT_P101B,AC_GR, MOFFSS(fddiSMTConnectionPolicy),"wS" } , |
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{ SMT_P101D,AC_GR, MOFFSS(fddiSMTTT_Notify), "wS" } , |
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{ SMT_P101E,AC_GR, MOFFSS(fddiSMTStatRptPolicy), "bB" } , |
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{ SMT_P101F,AC_GR, MOFFSS(fddiSMTTrace_MaxExpiration),"lL" } , |
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{ SMT_P1020,AC_G, MOFFSS(fddiSMTPORTIndexes), "II" } , |
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{ SMT_P1021,AC_G, MOFFSS(fddiSMTMACIndexes), "I" } , |
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{ SMT_P1022,AC_G, MOFFSS(fddiSMTBypassPresent), "F" } , |
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/* StatusGrp */ |
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{ SMT_P1028,AC_GROUP } , |
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{ SMT_P1029,AC_G, MOFFSS(fddiSMTECMState), "E" } , |
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{ SMT_P102A,AC_G, MOFFSS(fddiSMTCF_State), "E" } , |
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{ SMT_P102C,AC_G, MOFFSS(fddiSMTRemoteDisconnectFlag),"F" } , |
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{ SMT_P102D,AC_G, MOFFSS(fddiSMTStationStatus), "E" } , |
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{ SMT_P102E,AC_G, MOFFSS(fddiSMTPeerWrapFlag), "F" } , |
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/* MIBOperationGrp */ |
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{ SMT_P1032,AC_GROUP } , |
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{ SMT_P1033,AC_G, MOFFSS(fddiSMTTimeStamp),"P" } , |
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{ SMT_P1034,AC_G, MOFFSS(fddiSMTTransitionTimeStamp),"P" } , |
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/* NOTE : SMT_P1035 is already swapped ! SMT_P_SETCOUNT */ |
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{ SMT_P1035,AC_G, MOFFSS(fddiSMTSetCount),"4P" } , |
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{ SMT_P1036,AC_G, MOFFSS(fddiSMTLastSetStationId),"8" } , |
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{ SMT_P103C,AC_S, 0, "wS" } , |
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/* |
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* PRIVATE EXTENSIONS |
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* only accessible locally to get/set passwd |
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*/ |
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{ SMT_P10F0,AC_GR, MOFFSS(fddiPRPMFPasswd), "8" } , |
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{ SMT_P10F1,AC_GR, MOFFSS(fddiPRPMFStation), "8" } , |
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#ifdef ESS |
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{ SMT_P10F2,AC_GR, MOFFSS(fddiESSPayload), "lL" } , |
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{ SMT_P10F3,AC_GR, MOFFSS(fddiESSOverhead), "lL" } , |
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{ SMT_P10F4,AC_GR, MOFFSS(fddiESSMaxTNeg), "lL" } , |
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{ SMT_P10F5,AC_GR, MOFFSS(fddiESSMinSegmentSize), "lL" } , |
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{ SMT_P10F6,AC_GR, MOFFSS(fddiESSCategory), "lL" } , |
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{ SMT_P10F7,AC_GR, MOFFSS(fddiESSSynchTxMode), "wS" } , |
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#endif |
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#ifdef SBA |
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{ SMT_P10F8,AC_GR, MOFFSS(fddiSBACommand), "bF" } , |
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{ SMT_P10F9,AC_GR, MOFFSS(fddiSBAAvailable), "bF" } , |
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#endif |
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/* MAC Attributes */ |
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{ SMT_P200A,AC_GROUP } , |
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{ SMT_P200B,AC_G, MOFFMS(fddiMACFrameStatusFunctions),"S" } , |
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{ SMT_P200D,AC_G, MOFFMS(fddiMACT_MaxCapabilitiy),"T" } , |
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{ SMT_P200E,AC_G, MOFFMS(fddiMACTVXCapabilitiy),"T" } , |
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/* ConfigGrp */ |
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{ SMT_P2014,AC_GROUP } , |
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{ SMT_P2016,AC_G, MOFFMS(fddiMACAvailablePaths), "B" } , |
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{ SMT_P2017,AC_G, MOFFMS(fddiMACCurrentPath), "S" } , |
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{ SMT_P2018,AC_G, MOFFMS(fddiMACUpstreamNbr), "A" } , |
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{ SMT_P2019,AC_G, MOFFMS(fddiMACDownstreamNbr), "A" } , |
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{ SMT_P201A,AC_G, MOFFMS(fddiMACOldUpstreamNbr), "A" } , |
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{ SMT_P201B,AC_G, MOFFMS(fddiMACOldDownstreamNbr),"A" } , |
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{ SMT_P201D,AC_G, MOFFMS(fddiMACDupAddressTest), "E" } , |
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{ SMT_P2020,AC_GR, MOFFMS(fddiMACRequestedPaths), "wS" } , |
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{ SMT_P2021,AC_G, MOFFMS(fddiMACDownstreamPORTType),"E" } , |
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{ SMT_P2022,AC_G, MOFFMS(fddiMACIndex), "S" } , |
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/* AddressGrp */ |
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{ SMT_P2028,AC_GROUP } , |
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{ SMT_P2029,AC_G, MOFFMS(fddiMACSMTAddress), "A" } , |
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/* OperationGrp */ |
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{ SMT_P2032,AC_GROUP } , |
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{ SMT_P2033,AC_G, MOFFMS(fddiMACT_Req), "T" } , |
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{ SMT_P2034,AC_G, MOFFMS(fddiMACT_Neg), "T" } , |
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{ SMT_P2035,AC_G, MOFFMS(fddiMACT_Max), "T" } , |
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{ SMT_P2036,AC_G, MOFFMS(fddiMACTvxValue), "T" } , |
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{ SMT_P2038,AC_G, MOFFMS(fddiMACT_Pri0), "T" } , |
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{ SMT_P2039,AC_G, MOFFMS(fddiMACT_Pri1), "T" } , |
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{ SMT_P203A,AC_G, MOFFMS(fddiMACT_Pri2), "T" } , |
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{ SMT_P203B,AC_G, MOFFMS(fddiMACT_Pri3), "T" } , |
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{ SMT_P203C,AC_G, MOFFMS(fddiMACT_Pri4), "T" } , |
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{ SMT_P203D,AC_G, MOFFMS(fddiMACT_Pri5), "T" } , |
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{ SMT_P203E,AC_G, MOFFMS(fddiMACT_Pri6), "T" } , |
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/* CountersGrp */ |
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{ SMT_P2046,AC_GROUP } , |
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{ SMT_P2047,AC_G, MOFFMS(fddiMACFrame_Ct), "C" } , |
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{ SMT_P2048,AC_G, MOFFMS(fddiMACCopied_Ct), "C" } , |
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{ SMT_P2049,AC_G, MOFFMS(fddiMACTransmit_Ct), "C" } , |
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{ SMT_P204A,AC_G, MOFFMS(fddiMACToken_Ct), "C" } , |
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{ SMT_P2051,AC_G, MOFFMS(fddiMACError_Ct), "C" } , |
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{ SMT_P2052,AC_G, MOFFMS(fddiMACLost_Ct), "C" } , |
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{ SMT_P2053,AC_G, MOFFMS(fddiMACTvxExpired_Ct), "C" } , |
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{ SMT_P2054,AC_G, MOFFMS(fddiMACNotCopied_Ct), "C" } , |
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{ SMT_P2056,AC_G, MOFFMS(fddiMACRingOp_Ct), "C" } , |
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/* FrameErrorConditionGrp */ |
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{ SMT_P205A,AC_GROUP } , |
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{ SMT_P205F,AC_GR, MOFFMS(fddiMACFrameErrorThreshold),"wS" } , |
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{ SMT_P2060,AC_G, MOFFMS(fddiMACFrameErrorRatio), "S" } , |
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/* NotCopiedConditionGrp */ |
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{ SMT_P2064,AC_GROUP } , |
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{ SMT_P2067,AC_GR, MOFFMS(fddiMACNotCopiedThreshold),"wS" } , |
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{ SMT_P2069,AC_G, MOFFMS(fddiMACNotCopiedRatio), "S" } , |
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/* StatusGrp */ |
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{ SMT_P206E,AC_GROUP } , |
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{ SMT_P206F,AC_G, MOFFMS(fddiMACRMTState), "S" } , |
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{ SMT_P2070,AC_G, MOFFMS(fddiMACDA_Flag), "F" } , |
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{ SMT_P2071,AC_G, MOFFMS(fddiMACUNDA_Flag), "F" } , |
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{ SMT_P2072,AC_G, MOFFMS(fddiMACFrameErrorFlag), "F" } , |
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{ SMT_P2073,AC_G, MOFFMS(fddiMACNotCopiedFlag), "F" } , |
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{ SMT_P2074,AC_G, MOFFMS(fddiMACMA_UnitdataAvailable),"F" } , |
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{ SMT_P2075,AC_G, MOFFMS(fddiMACHardwarePresent), "F" } , |
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{ SMT_P2076,AC_GR, MOFFMS(fddiMACMA_UnitdataEnable),"bF" } , |
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/* |
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* PRIVATE EXTENSIONS |
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* only accessible locally to get/set TMIN |
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*/ |
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{ SMT_P20F0,AC_NA } , |
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{ SMT_P20F1,AC_GR, MOFFMS(fddiMACT_Min), "lT" } , |
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/* Path Attributes */ |
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/* |
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* DON't swap 320B,320F,3210: they are already swapped in swap_para() |
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*/ |
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{ SMT_P320A,AC_GROUP } , |
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{ SMT_P320B,AC_G, MOFFAS(fddiPATHIndex), "r" } , |
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{ SMT_P320F,AC_GR, MOFFAS(fddiPATHSbaPayload), "l4" } , |
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{ SMT_P3210,AC_GR, MOFFAS(fddiPATHSbaOverhead), "l4" } , |
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/* fddiPATHConfiguration */ |
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{ SMT_P3212,AC_G, 0, "" } , |
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{ SMT_P3213,AC_GR, MOFFAS(fddiPATHT_Rmode), "lT" } , |
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{ SMT_P3214,AC_GR, MOFFAS(fddiPATHSbaAvailable), "lL" } , |
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{ SMT_P3215,AC_GR, MOFFAS(fddiPATHTVXLowerBound), "lT" } , |
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{ SMT_P3216,AC_GR, MOFFAS(fddiPATHT_MaxLowerBound),"lT" } , |
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{ SMT_P3217,AC_GR, MOFFAS(fddiPATHMaxT_Req), "lT" } , |
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/* Port Attributes */ |
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/* ConfigGrp */ |
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{ SMT_P400A,AC_GROUP } , |
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{ SMT_P400C,AC_G, MOFFPS(fddiPORTMy_Type), "E" } , |
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{ SMT_P400D,AC_G, MOFFPS(fddiPORTNeighborType), "E" } , |
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{ SMT_P400E,AC_GR, MOFFPS(fddiPORTConnectionPolicies),"bB" } , |
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{ SMT_P400F,AC_G, MOFFPS(fddiPORTMacIndicated), "2" } , |
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{ SMT_P4010,AC_G, MOFFPS(fddiPORTCurrentPath), "E" } , |
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{ SMT_P4011,AC_GR, MOFFPS(fddiPORTRequestedPaths), "l4" } , |
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{ SMT_P4012,AC_G, MOFFPS(fddiPORTMACPlacement), "S" } , |
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{ SMT_P4013,AC_G, MOFFPS(fddiPORTAvailablePaths), "B" } , |
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{ SMT_P4016,AC_G, MOFFPS(fddiPORTPMDClass), "E" } , |
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{ SMT_P4017,AC_G, MOFFPS(fddiPORTConnectionCapabilities), "B"} , |
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{ SMT_P401D,AC_G, MOFFPS(fddiPORTIndex), "R" } , |
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/* OperationGrp */ |
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{ SMT_P401E,AC_GROUP } , |
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{ SMT_P401F,AC_GR, MOFFPS(fddiPORTMaint_LS), "wE" } , |
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{ SMT_P4021,AC_G, MOFFPS(fddiPORTBS_Flag), "F" } , |
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{ SMT_P4022,AC_G, MOFFPS(fddiPORTPC_LS), "E" } , |
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/* ErrorCtrsGrp */ |
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{ SMT_P4028,AC_GROUP } , |
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{ SMT_P4029,AC_G, MOFFPS(fddiPORTEBError_Ct), "C" } , |
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{ SMT_P402A,AC_G, MOFFPS(fddiPORTLCTFail_Ct), "C" } , |
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/* LerGrp */ |
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{ SMT_P4032,AC_GROUP } , |
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{ SMT_P4033,AC_G, MOFFPS(fddiPORTLer_Estimate), "F" } , |
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{ SMT_P4034,AC_G, MOFFPS(fddiPORTLem_Reject_Ct), "C" } , |
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{ SMT_P4035,AC_G, MOFFPS(fddiPORTLem_Ct), "C" } , |
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{ SMT_P403A,AC_GR, MOFFPS(fddiPORTLer_Cutoff), "bB" } , |
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{ SMT_P403B,AC_GR, MOFFPS(fddiPORTLer_Alarm), "bB" } , |
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/* StatusGrp */ |
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{ SMT_P403C,AC_GROUP } , |
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{ SMT_P403D,AC_G, MOFFPS(fddiPORTConnectState), "E" } , |
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{ SMT_P403E,AC_G, MOFFPS(fddiPORTPCMStateX), "E" } , |
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{ SMT_P403F,AC_G, MOFFPS(fddiPORTPC_Withhold), "E" } , |
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{ SMT_P4040,AC_G, MOFFPS(fddiPORTLerFlag), "F" } , |
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{ SMT_P4041,AC_G, MOFFPS(fddiPORTHardwarePresent),"F" } , |
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{ SMT_P4046,AC_S, 0, "wS" } , |
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{ 0, AC_GROUP } , |
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{ 0 } |
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} ; |
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void smt_pmf_received_pack(struct s_smc *smc, SMbuf *mb, int local) |
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{ |
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struct smt_header *sm ; |
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SMbuf *reply ; |
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sm = smtod(mb,struct smt_header *) ; |
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DB_SMT("SMT: processing PMF frame at %p len %d", sm, mb->sm_len); |
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#ifdef DEBUG |
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dump_smt(smc,sm,"PMF Received") ; |
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#endif |
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/* |
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* Start the watchdog: It may be a long, long packet and |
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* maybe the watchdog occurs ... |
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*/ |
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smt_start_watchdog(smc) ; |
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if (sm->smt_class == SMT_PMF_GET || |
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sm->smt_class == SMT_PMF_SET) { |
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reply = smt_build_pmf_response(smc,sm, |
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sm->smt_class == SMT_PMF_SET,local) ; |
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if (reply) { |
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sm = smtod(reply,struct smt_header *) ; |
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#ifdef DEBUG |
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dump_smt(smc,sm,"PMF Reply") ; |
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#endif |
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smt_send_frame(smc,reply,FC_SMT_INFO,local) ; |
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} |
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} |
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} |
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static SMbuf *smt_build_pmf_response(struct s_smc *smc, struct smt_header *req, |
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int set, int local) |
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{ |
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SMbuf *mb ; |
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struct smt_header *smt ; |
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struct smt_para *pa ; |
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struct smt_p_reason *res ; |
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const struct s_p_tab *pt ; |
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int len ; |
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int index ; |
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int idx_end ; |
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int error ; |
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int range ; |
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SK_LOC_DECL(struct s_pcon,pcon) ; |
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SK_LOC_DECL(struct s_pcon,set_pcon) ; |
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/* |
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* build SMT header |
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*/ |
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if (!(mb = smt_get_mbuf(smc))) |
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return mb; |
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|
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smt = smtod(mb, struct smt_header *) ; |
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smt->smt_dest = req->smt_source ; /* DA == source of request */ |
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smt->smt_class = req->smt_class ; /* same class (GET/SET) */ |
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smt->smt_type = SMT_REPLY ; |
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smt->smt_version = SMT_VID_2 ; |
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smt->smt_tid = req->smt_tid ; /* same TID */ |
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smt->smt_pad = 0 ; |
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smt->smt_len = 0 ; |
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|
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/* |
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* setup parameter status |
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*/ |
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pcon.pc_len = SMT_MAX_INFO_LEN ; /* max para length */ |
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pcon.pc_err = 0 ; /* no error */ |
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pcon.pc_badset = 0 ; /* no bad set count */ |
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pcon.pc_p = (void *) (smt + 1) ; /* paras start here */ |
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|
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/* |
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* check authoriziation and set count |
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*/ |
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error = 0 ; |
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if (set) { |
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if (!local && smt_authorize(smc,req)) |
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error = SMT_RDF_AUTHOR ; |
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else if (smt_check_set_count(smc,req)) |
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pcon.pc_badset = SMT_RDF_BADSET ; |
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} |
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/* |
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* add reason code and all mandatory parameters |
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*/ |
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res = (struct smt_p_reason *) pcon.pc_p ; |
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smt_add_para(smc,&pcon,(u_short) SMT_P_REASON,0,0) ; |
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smt_add_para(smc,&pcon,(u_short) SMT_P1033,0,0) ; |
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/* update 1035 and 1036 later if set */ |
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set_pcon = pcon ; |
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smt_add_para(smc,&pcon,(u_short) SMT_P1035,0,0) ; |
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smt_add_para(smc,&pcon,(u_short) SMT_P1036,0,0) ; |
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|
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pcon.pc_err = error ; |
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len = req->smt_len ; |
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pa = (struct smt_para *) (req + 1) ; |
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/* |
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* process list of paras |
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*/ |
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while (!pcon.pc_err && len > 0 ) { |
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if (((u_short)len < pa->p_len + PARA_LEN) || (pa->p_len & 3)) { |
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pcon.pc_err = SMT_RDF_LENGTH ; |
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break ; |
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} |
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|
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if (((range = (pa->p_type & 0xf000)) == 0x2000) || |
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range == 0x3000 || range == 0x4000) { |
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/* |
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* get index for PART,MAC ad PATH group |
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*/ |
|
index = *((u_char *)pa + PARA_LEN + 3) ;/* index */ |
|
idx_end = index ; |
|
if (!set && (pa->p_len != 4)) { |
|
pcon.pc_err = SMT_RDF_LENGTH ; |
|
break ; |
|
} |
|
if (!index && !set) { |
|
switch (range) { |
|
case 0x2000 : |
|
index = INDEX_MAC ; |
|
idx_end = index - 1 + NUMMACS ; |
|
break ; |
|
case 0x3000 : |
|
index = INDEX_PATH ; |
|
idx_end = index - 1 + NUMPATHS ; |
|
break ; |
|
case 0x4000 : |
|
index = INDEX_PORT ; |
|
idx_end = index - 1 + NUMPHYS ; |
|
#ifndef CONCENTRATOR |
|
if (smc->s.sas == SMT_SAS) |
|
idx_end = INDEX_PORT ; |
|
#endif |
|
break ; |
|
} |
|
} |
|
} |
|
else { |
|
/* |
|
* smt group has no index |
|
*/ |
|
if (!set && (pa->p_len != 0)) { |
|
pcon.pc_err = SMT_RDF_LENGTH ; |
|
break ; |
|
} |
|
index = 0 ; |
|
idx_end = 0 ; |
|
} |
|
while (index <= idx_end) { |
|
/* |
|
* if group |
|
* add all paras of group |
|
*/ |
|
pt = smt_get_ptab(pa->p_type) ; |
|
if (pt && pt->p_access == AC_GROUP && !set) { |
|
pt++ ; |
|
while (pt->p_access == AC_G || |
|
pt->p_access == AC_GR) { |
|
smt_add_para(smc,&pcon,pt->p_num, |
|
index,local); |
|
pt++ ; |
|
} |
|
} |
|
/* |
|
* ignore |
|
* AUTHORIZATION in get/set |
|
* SET COUNT in set |
|
*/ |
|
else if (pa->p_type != SMT_P_AUTHOR && |
|
(!set || (pa->p_type != SMT_P1035))) { |
|
int st ; |
|
if (pcon.pc_badset) { |
|
smt_add_para(smc,&pcon,pa->p_type, |
|
index,local) ; |
|
} |
|
else if (set) { |
|
st = smt_set_para(smc,pa,index,local,1); |
|
/* |
|
* return para even if error |
|
*/ |
|
smt_add_para(smc,&pcon,pa->p_type, |
|
index,local) ; |
|
pcon.pc_err = st ; |
|
} |
|
else { |
|
if (pt && pt->p_access == AC_S) { |
|
pcon.pc_err = |
|
SMT_RDF_ILLEGAL ; |
|
} |
|
smt_add_para(smc,&pcon,pa->p_type, |
|
index,local) ; |
|
} |
|
} |
|
if (pcon.pc_err) |
|
break ; |
|
index++ ; |
|
} |
|
len -= pa->p_len + PARA_LEN ; |
|
pa = (struct smt_para *) ((char *)pa + pa->p_len + PARA_LEN) ; |
|
} |
|
smt->smt_len = SMT_MAX_INFO_LEN - pcon.pc_len ; |
|
mb->sm_len = smt->smt_len + sizeof(struct smt_header) ; |
|
|
|
/* update reason code */ |
|
res->rdf_reason = pcon.pc_badset ? pcon.pc_badset : |
|
pcon.pc_err ? pcon.pc_err : SMT_RDF_SUCCESS ; |
|
if (set && (res->rdf_reason == SMT_RDF_SUCCESS)) { |
|
/* |
|
* increment set count |
|
* set time stamp |
|
* store station id of last set |
|
*/ |
|
smc->mib.fddiSMTSetCount.count++ ; |
|
smt_set_timestamp(smc,smc->mib.fddiSMTSetCount.timestamp) ; |
|
smc->mib.fddiSMTLastSetStationId = req->smt_sid ; |
|
smt_add_para(smc,&set_pcon,(u_short) SMT_P1035,0,0) ; |
|
smt_add_para(smc,&set_pcon,(u_short) SMT_P1036,0,0) ; |
|
} |
|
return mb; |
|
} |
|
|
|
static int smt_authorize(struct s_smc *smc, struct smt_header *sm) |
|
{ |
|
struct smt_para *pa ; |
|
int i ; |
|
char *p ; |
|
|
|
/* |
|
* check source station id if not zero |
|
*/ |
|
p = (char *) &smc->mib.fddiPRPMFStation ; |
|
for (i = 0 ; i < 8 && !p[i] ; i++) |
|
; |
|
if (i != 8) { |
|
if (memcmp((char *) &sm->smt_sid, |
|
(char *) &smc->mib.fddiPRPMFStation,8)) |
|
return 1; |
|
} |
|
/* |
|
* check authoriziation parameter if passwd not zero |
|
*/ |
|
p = (char *) smc->mib.fddiPRPMFPasswd ; |
|
for (i = 0 ; i < 8 && !p[i] ; i++) |
|
; |
|
if (i != 8) { |
|
pa = (struct smt_para *) sm_to_para(smc,sm,SMT_P_AUTHOR) ; |
|
if (!pa) |
|
return 1; |
|
if (pa->p_len != 8) |
|
return 1; |
|
if (memcmp((char *)(pa+1),(char *)smc->mib.fddiPRPMFPasswd,8)) |
|
return 1; |
|
} |
|
return 0; |
|
} |
|
|
|
static int smt_check_set_count(struct s_smc *smc, struct smt_header *sm) |
|
{ |
|
struct smt_para *pa ; |
|
struct smt_p_setcount *sc ; |
|
|
|
pa = (struct smt_para *) sm_to_para(smc,sm,SMT_P1035) ; |
|
if (pa) { |
|
sc = (struct smt_p_setcount *) pa ; |
|
if ((smc->mib.fddiSMTSetCount.count != sc->count) || |
|
memcmp((char *) smc->mib.fddiSMTSetCount.timestamp, |
|
(char *)sc->timestamp,8)) |
|
return 1; |
|
} |
|
return 0; |
|
} |
|
|
|
void smt_add_para(struct s_smc *smc, struct s_pcon *pcon, u_short para, |
|
int index, int local) |
|
{ |
|
struct smt_para *pa ; |
|
const struct s_p_tab *pt ; |
|
struct fddi_mib_m *mib_m = NULL; |
|
struct fddi_mib_p *mib_p = NULL; |
|
int len ; |
|
int plen ; |
|
char *from ; |
|
char *to ; |
|
const char *swap ; |
|
char c ; |
|
int range ; |
|
char *mib_addr ; |
|
int mac ; |
|
int path ; |
|
int port ; |
|
int sp_len ; |
|
|
|
/* |
|
* skip if error |
|
*/ |
|
if (pcon->pc_err) |
|
return ; |
|
|
|
/* |
|
* actions don't have a value |
|
*/ |
|
pt = smt_get_ptab(para) ; |
|
if (pt && pt->p_access == AC_S) |
|
return ; |
|
|
|
to = (char *) (pcon->pc_p) ; /* destination pointer */ |
|
len = pcon->pc_len ; /* free space */ |
|
plen = len ; /* remember start length */ |
|
pa = (struct smt_para *) to ; /* type/length pointer */ |
|
to += PARA_LEN ; /* skip smt_para */ |
|
len -= PARA_LEN ; |
|
/* |
|
* set index if required |
|
*/ |
|
if (((range = (para & 0xf000)) == 0x2000) || |
|
range == 0x3000 || range == 0x4000) { |
|
if (len < 4) |
|
goto wrong_error ; |
|
to[0] = 0 ; |
|
to[1] = 0 ; |
|
to[2] = 0 ; |
|
to[3] = index ; |
|
len -= 4 ; |
|
to += 4 ; |
|
} |
|
mac = index - INDEX_MAC ; |
|
path = index - INDEX_PATH ; |
|
port = index - INDEX_PORT ; |
|
/* |
|
* get pointer to mib |
|
*/ |
|
switch (range) { |
|
case 0x1000 : |
|
default : |
|
mib_addr = (char *) (&smc->mib) ; |
|
break ; |
|
case 0x2000 : |
|
if (mac < 0 || mac >= NUMMACS) { |
|
pcon->pc_err = SMT_RDF_NOPARAM ; |
|
return ; |
|
} |
|
mib_addr = (char *) (&smc->mib.m[mac]) ; |
|
mib_m = (struct fddi_mib_m *) mib_addr ; |
|
break ; |
|
case 0x3000 : |
|
if (path < 0 || path >= NUMPATHS) { |
|
pcon->pc_err = SMT_RDF_NOPARAM ; |
|
return ; |
|
} |
|
mib_addr = (char *) (&smc->mib.a[path]) ; |
|
break ; |
|
case 0x4000 : |
|
if (port < 0 || port >= smt_mib_phys(smc)) { |
|
pcon->pc_err = SMT_RDF_NOPARAM ; |
|
return ; |
|
} |
|
mib_addr = (char *) (&smc->mib.p[port_to_mib(smc,port)]) ; |
|
mib_p = (struct fddi_mib_p *) mib_addr ; |
|
break ; |
|
} |
|
/* |
|
* check special paras |
|
*/ |
|
swap = NULL; |
|
switch (para) { |
|
case SMT_P10F0 : |
|
case SMT_P10F1 : |
|
#ifdef ESS |
|
case SMT_P10F2 : |
|
case SMT_P10F3 : |
|
case SMT_P10F4 : |
|
case SMT_P10F5 : |
|
case SMT_P10F6 : |
|
case SMT_P10F7 : |
|
#endif |
|
#ifdef SBA |
|
case SMT_P10F8 : |
|
case SMT_P10F9 : |
|
#endif |
|
case SMT_P20F1 : |
|
if (!local) { |
|
pcon->pc_err = SMT_RDF_NOPARAM ; |
|
return ; |
|
} |
|
break ; |
|
case SMT_P2034 : |
|
case SMT_P2046 : |
|
case SMT_P2047 : |
|
case SMT_P204A : |
|
case SMT_P2051 : |
|
case SMT_P2052 : |
|
mac_update_counter(smc) ; |
|
break ; |
|
case SMT_P4022: |
|
mib_p->fddiPORTPC_LS = LS2MIB( |
|
sm_pm_get_ls(smc,port_to_mib(smc,port))) ; |
|
break ; |
|
case SMT_P_REASON : |
|
*(u32 *)to = 0 ; |
|
sp_len = 4 ; |
|
goto sp_done ; |
|
case SMT_P1033 : /* time stamp */ |
|
smt_set_timestamp(smc,smc->mib.fddiSMTTimeStamp) ; |
|
break ; |
|
|
|
case SMT_P1020: /* port indexes */ |
|
#if NUMPHYS == 12 |
|
swap = "IIIIIIIIIIII" ; |
|
#else |
|
#if NUMPHYS == 2 |
|
if (smc->s.sas == SMT_SAS) |
|
swap = "I" ; |
|
else |
|
swap = "II" ; |
|
#else |
|
#if NUMPHYS == 24 |
|
swap = "IIIIIIIIIIIIIIIIIIIIIIII" ; |
|
#else |
|
???? |
|
#endif |
|
#endif |
|
#endif |
|
break ; |
|
case SMT_P3212 : |
|
{ |
|
sp_len = cem_build_path(smc,to,path) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P1048 : /* peer wrap condition */ |
|
{ |
|
struct smt_p_1048 *sp ; |
|
sp = (struct smt_p_1048 *) to ; |
|
sp->p1048_flag = smc->mib.fddiSMTPeerWrapFlag ; |
|
sp->p1048_cf_state = smc->mib.fddiSMTCF_State ; |
|
sp_len = sizeof(struct smt_p_1048) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P208C : |
|
{ |
|
struct smt_p_208c *sp ; |
|
sp = (struct smt_p_208c *) to ; |
|
sp->p208c_flag = |
|
smc->mib.m[MAC0].fddiMACDuplicateAddressCond ; |
|
sp->p208c_dupcondition = |
|
(mib_m->fddiMACDA_Flag ? SMT_ST_MY_DUPA : 0) | |
|
(mib_m->fddiMACUNDA_Flag ? SMT_ST_UNA_DUPA : 0); |
|
sp->p208c_fddilong = |
|
mib_m->fddiMACSMTAddress ; |
|
sp->p208c_fddiunalong = |
|
mib_m->fddiMACUpstreamNbr ; |
|
sp->p208c_pad = 0 ; |
|
sp_len = sizeof(struct smt_p_208c) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P208D : /* frame error condition */ |
|
{ |
|
struct smt_p_208d *sp ; |
|
sp = (struct smt_p_208d *) to ; |
|
sp->p208d_flag = |
|
mib_m->fddiMACFrameErrorFlag ; |
|
sp->p208d_frame_ct = |
|
mib_m->fddiMACFrame_Ct ; |
|
sp->p208d_error_ct = |
|
mib_m->fddiMACError_Ct ; |
|
sp->p208d_lost_ct = |
|
mib_m->fddiMACLost_Ct ; |
|
sp->p208d_ratio = |
|
mib_m->fddiMACFrameErrorRatio ; |
|
sp_len = sizeof(struct smt_p_208d) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P208E : /* not copied condition */ |
|
{ |
|
struct smt_p_208e *sp ; |
|
sp = (struct smt_p_208e *) to ; |
|
sp->p208e_flag = |
|
mib_m->fddiMACNotCopiedFlag ; |
|
sp->p208e_not_copied = |
|
mib_m->fddiMACNotCopied_Ct ; |
|
sp->p208e_copied = |
|
mib_m->fddiMACCopied_Ct ; |
|
sp->p208e_not_copied_ratio = |
|
mib_m->fddiMACNotCopiedRatio ; |
|
sp_len = sizeof(struct smt_p_208e) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P208F : /* neighbor change event */ |
|
{ |
|
struct smt_p_208f *sp ; |
|
sp = (struct smt_p_208f *) to ; |
|
sp->p208f_multiple = |
|
mib_m->fddiMACMultiple_N ; |
|
sp->p208f_nacondition = |
|
mib_m->fddiMACDuplicateAddressCond ; |
|
sp->p208f_old_una = |
|
mib_m->fddiMACOldUpstreamNbr ; |
|
sp->p208f_new_una = |
|
mib_m->fddiMACUpstreamNbr ; |
|
sp->p208f_old_dna = |
|
mib_m->fddiMACOldDownstreamNbr ; |
|
sp->p208f_new_dna = |
|
mib_m->fddiMACDownstreamNbr ; |
|
sp->p208f_curren_path = |
|
mib_m->fddiMACCurrentPath ; |
|
sp->p208f_smt_address = |
|
mib_m->fddiMACSMTAddress ; |
|
sp_len = sizeof(struct smt_p_208f) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P2090 : |
|
{ |
|
struct smt_p_2090 *sp ; |
|
sp = (struct smt_p_2090 *) to ; |
|
sp->p2090_multiple = |
|
mib_m->fddiMACMultiple_P ; |
|
sp->p2090_availablepaths = |
|
mib_m->fddiMACAvailablePaths ; |
|
sp->p2090_currentpath = |
|
mib_m->fddiMACCurrentPath ; |
|
sp->p2090_requestedpaths = |
|
mib_m->fddiMACRequestedPaths ; |
|
sp_len = sizeof(struct smt_p_2090) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P4050 : |
|
{ |
|
struct smt_p_4050 *sp ; |
|
sp = (struct smt_p_4050 *) to ; |
|
sp->p4050_flag = |
|
mib_p->fddiPORTLerFlag ; |
|
sp->p4050_pad = 0 ; |
|
sp->p4050_cutoff = |
|
mib_p->fddiPORTLer_Cutoff ; |
|
sp->p4050_alarm = |
|
mib_p->fddiPORTLer_Alarm ; |
|
sp->p4050_estimate = |
|
mib_p->fddiPORTLer_Estimate ; |
|
sp->p4050_reject_ct = |
|
mib_p->fddiPORTLem_Reject_Ct ; |
|
sp->p4050_ct = |
|
mib_p->fddiPORTLem_Ct ; |
|
sp_len = sizeof(struct smt_p_4050) ; |
|
goto sp_done ; |
|
} |
|
|
|
case SMT_P4051 : |
|
{ |
|
struct smt_p_4051 *sp ; |
|
sp = (struct smt_p_4051 *) to ; |
|
sp->p4051_multiple = |
|
mib_p->fddiPORTMultiple_U ; |
|
sp->p4051_porttype = |
|
mib_p->fddiPORTMy_Type ; |
|
sp->p4051_connectstate = |
|
mib_p->fddiPORTConnectState ; |
|
sp->p4051_pc_neighbor = |
|
mib_p->fddiPORTNeighborType ; |
|
sp->p4051_pc_withhold = |
|
mib_p->fddiPORTPC_Withhold ; |
|
sp_len = sizeof(struct smt_p_4051) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P4052 : |
|
{ |
|
struct smt_p_4052 *sp ; |
|
sp = (struct smt_p_4052 *) to ; |
|
sp->p4052_flag = |
|
mib_p->fddiPORTEB_Condition ; |
|
sp->p4052_eberrorcount = |
|
mib_p->fddiPORTEBError_Ct ; |
|
sp_len = sizeof(struct smt_p_4052) ; |
|
goto sp_done ; |
|
} |
|
case SMT_P4053 : |
|
{ |
|
struct smt_p_4053 *sp ; |
|
sp = (struct smt_p_4053 *) to ; |
|
sp->p4053_multiple = |
|
mib_p->fddiPORTMultiple_P ; |
|
sp->p4053_availablepaths = |
|
mib_p->fddiPORTAvailablePaths ; |
|
sp->p4053_currentpath = |
|
mib_p->fddiPORTCurrentPath ; |
|
memcpy( (char *) &sp->p4053_requestedpaths, |
|
(char *) mib_p->fddiPORTRequestedPaths,4) ; |
|
sp->p4053_mytype = |
|
mib_p->fddiPORTMy_Type ; |
|
sp->p4053_neighbortype = |
|
mib_p->fddiPORTNeighborType ; |
|
sp_len = sizeof(struct smt_p_4053) ; |
|
goto sp_done ; |
|
} |
|
default : |
|
break ; |
|
} |
|
/* |
|
* in table ? |
|
*/ |
|
if (!pt) { |
|
pcon->pc_err = (para & 0xff00) ? SMT_RDF_NOPARAM : |
|
SMT_RDF_ILLEGAL ; |
|
return ; |
|
} |
|
/* |
|
* check access rights |
|
*/ |
|
switch (pt->p_access) { |
|
case AC_G : |
|
case AC_GR : |
|
break ; |
|
default : |
|
pcon->pc_err = SMT_RDF_ILLEGAL ; |
|
return ; |
|
} |
|
from = mib_addr + pt->p_offset ; |
|
if (!swap) |
|
swap = pt->p_swap ; /* pointer to swap string */ |
|
|
|
/* |
|
* copy values |
|
*/ |
|
while ((c = *swap++)) { |
|
switch(c) { |
|
case 'b' : |
|
case 'w' : |
|
case 'l' : |
|
break ; |
|
case 'S' : |
|
case 'E' : |
|
case 'R' : |
|
case 'r' : |
|
if (len < 4) |
|
goto len_error ; |
|
to[0] = 0 ; |
|
to[1] = 0 ; |
|
#ifdef LITTLE_ENDIAN |
|
if (c == 'r') { |
|
to[2] = *from++ ; |
|
to[3] = *from++ ; |
|
} |
|
else { |
|
to[3] = *from++ ; |
|
to[2] = *from++ ; |
|
} |
|
#else |
|
to[2] = *from++ ; |
|
to[3] = *from++ ; |
|
#endif |
|
to += 4 ; |
|
len -= 4 ; |
|
break ; |
|
case 'I' : /* for SET of port indexes */ |
|
if (len < 2) |
|
goto len_error ; |
|
#ifdef LITTLE_ENDIAN |
|
to[1] = *from++ ; |
|
to[0] = *from++ ; |
|
#else |
|
to[0] = *from++ ; |
|
to[1] = *from++ ; |
|
#endif |
|
to += 2 ; |
|
len -= 2 ; |
|
break ; |
|
case 'F' : |
|
case 'B' : |
|
if (len < 4) |
|
goto len_error ; |
|
len -= 4 ; |
|
to[0] = 0 ; |
|
to[1] = 0 ; |
|
to[2] = 0 ; |
|
to[3] = *from++ ; |
|
to += 4 ; |
|
break ; |
|
case 'C' : |
|
case 'T' : |
|
case 'L' : |
|
if (len < 4) |
|
goto len_error ; |
|
#ifdef LITTLE_ENDIAN |
|
to[3] = *from++ ; |
|
to[2] = *from++ ; |
|
to[1] = *from++ ; |
|
to[0] = *from++ ; |
|
#else |
|
to[0] = *from++ ; |
|
to[1] = *from++ ; |
|
to[2] = *from++ ; |
|
to[3] = *from++ ; |
|
#endif |
|
len -= 4 ; |
|
to += 4 ; |
|
break ; |
|
case '2' : /* PortMacIndicated */ |
|
if (len < 4) |
|
goto len_error ; |
|
to[0] = 0 ; |
|
to[1] = 0 ; |
|
to[2] = *from++ ; |
|
to[3] = *from++ ; |
|
len -= 4 ; |
|
to += 4 ; |
|
break ; |
|
case '4' : |
|
if (len < 4) |
|
goto len_error ; |
|
to[0] = *from++ ; |
|
to[1] = *from++ ; |
|
to[2] = *from++ ; |
|
to[3] = *from++ ; |
|
len -= 4 ; |
|
to += 4 ; |
|
break ; |
|
case 'A' : |
|
if (len < 8) |
|
goto len_error ; |
|
to[0] = 0 ; |
|
to[1] = 0 ; |
|
memcpy((char *) to+2,(char *) from,6) ; |
|
to += 8 ; |
|
from += 8 ; |
|
len -= 8 ; |
|
break ; |
|
case '8' : |
|
if (len < 8) |
|
goto len_error ; |
|
memcpy((char *) to,(char *) from,8) ; |
|
to += 8 ; |
|
from += 8 ; |
|
len -= 8 ; |
|
break ; |
|
case 'D' : |
|
if (len < 32) |
|
goto len_error ; |
|
memcpy((char *) to,(char *) from,32) ; |
|
to += 32 ; |
|
from += 32 ; |
|
len -= 32 ; |
|
break ; |
|
case 'P' : /* timestamp is NOT swapped */ |
|
if (len < 8) |
|
goto len_error ; |
|
to[0] = *from++ ; |
|
to[1] = *from++ ; |
|
to[2] = *from++ ; |
|
to[3] = *from++ ; |
|
to[4] = *from++ ; |
|
to[5] = *from++ ; |
|
to[6] = *from++ ; |
|
to[7] = *from++ ; |
|
to += 8 ; |
|
len -= 8 ; |
|
break ; |
|
default : |
|
SMT_PANIC(smc,SMT_E0119, SMT_E0119_MSG) ; |
|
break ; |
|
} |
|
} |
|
|
|
done: |
|
/* |
|
* make it even (in case of 'I' encoding) |
|
* note: len is DECREMENTED |
|
*/ |
|
if (len & 3) { |
|
to[0] = 0 ; |
|
to[1] = 0 ; |
|
to += 4 - (len & 3 ) ; |
|
len = len & ~ 3 ; |
|
} |
|
|
|
/* set type and length */ |
|
pa->p_type = para ; |
|
pa->p_len = plen - len - PARA_LEN ; |
|
/* return values */ |
|
pcon->pc_p = (void *) to ; |
|
pcon->pc_len = len ; |
|
return ; |
|
|
|
sp_done: |
|
len -= sp_len ; |
|
to += sp_len ; |
|
goto done ; |
|
|
|
len_error: |
|
/* parameter does not fit in frame */ |
|
pcon->pc_err = SMT_RDF_TOOLONG ; |
|
return ; |
|
|
|
wrong_error: |
|
pcon->pc_err = SMT_RDF_LENGTH ; |
|
} |
|
|
|
/* |
|
* set parameter |
|
*/ |
|
static int smt_set_para(struct s_smc *smc, struct smt_para *pa, int index, |
|
int local, int set) |
|
{ |
|
#define IFSET(x) if (set) (x) |
|
|
|
const struct s_p_tab *pt ; |
|
int len ; |
|
char *from ; |
|
char *to ; |
|
const char *swap ; |
|
char c ; |
|
char *mib_addr ; |
|
struct fddi_mib *mib ; |
|
struct fddi_mib_m *mib_m = NULL; |
|
struct fddi_mib_a *mib_a = NULL; |
|
struct fddi_mib_p *mib_p = NULL; |
|
int mac ; |
|
int path ; |
|
int port ; |
|
SK_LOC_DECL(u_char,byte_val) ; |
|
SK_LOC_DECL(u_short,word_val) ; |
|
SK_LOC_DECL(u_long,long_val) ; |
|
|
|
mac = index - INDEX_MAC ; |
|
path = index - INDEX_PATH ; |
|
port = index - INDEX_PORT ; |
|
len = pa->p_len ; |
|
from = (char *) (pa + 1 ) ; |
|
|
|
mib = &smc->mib ; |
|
switch (pa->p_type & 0xf000) { |
|
case 0x1000 : |
|
default : |
|
mib_addr = (char *) mib ; |
|
break ; |
|
case 0x2000 : |
|
if (mac < 0 || mac >= NUMMACS) { |
|
return SMT_RDF_NOPARAM; |
|
} |
|
mib_m = &smc->mib.m[mac] ; |
|
mib_addr = (char *) mib_m ; |
|
from += 4 ; /* skip index */ |
|
len -= 4 ; |
|
break ; |
|
case 0x3000 : |
|
if (path < 0 || path >= NUMPATHS) { |
|
return SMT_RDF_NOPARAM; |
|
} |
|
mib_a = &smc->mib.a[path] ; |
|
mib_addr = (char *) mib_a ; |
|
from += 4 ; /* skip index */ |
|
len -= 4 ; |
|
break ; |
|
case 0x4000 : |
|
if (port < 0 || port >= smt_mib_phys(smc)) { |
|
return SMT_RDF_NOPARAM; |
|
} |
|
mib_p = &smc->mib.p[port_to_mib(smc,port)] ; |
|
mib_addr = (char *) mib_p ; |
|
from += 4 ; /* skip index */ |
|
len -= 4 ; |
|
break ; |
|
} |
|
switch (pa->p_type) { |
|
case SMT_P10F0 : |
|
case SMT_P10F1 : |
|
#ifdef ESS |
|
case SMT_P10F2 : |
|
case SMT_P10F3 : |
|
case SMT_P10F4 : |
|
case SMT_P10F5 : |
|
case SMT_P10F6 : |
|
case SMT_P10F7 : |
|
#endif |
|
#ifdef SBA |
|
case SMT_P10F8 : |
|
case SMT_P10F9 : |
|
#endif |
|
case SMT_P20F1 : |
|
if (!local) |
|
return SMT_RDF_NOPARAM; |
|
break ; |
|
} |
|
pt = smt_get_ptab(pa->p_type) ; |
|
if (!pt) |
|
return (pa->p_type & 0xff00) ? SMT_RDF_NOPARAM : |
|
SMT_RDF_ILLEGAL; |
|
switch (pt->p_access) { |
|
case AC_GR : |
|
case AC_S : |
|
break ; |
|
default : |
|
return SMT_RDF_ILLEGAL; |
|
} |
|
to = mib_addr + pt->p_offset ; |
|
swap = pt->p_swap ; /* pointer to swap string */ |
|
|
|
while (swap && (c = *swap++)) { |
|
switch(c) { |
|
case 'b' : |
|
to = (char *) &byte_val ; |
|
break ; |
|
case 'w' : |
|
to = (char *) &word_val ; |
|
break ; |
|
case 'l' : |
|
to = (char *) &long_val ; |
|
break ; |
|
case 'S' : |
|
case 'E' : |
|
case 'R' : |
|
case 'r' : |
|
if (len < 4) { |
|
goto len_error ; |
|
} |
|
if (from[0] | from[1]) |
|
goto val_error ; |
|
#ifdef LITTLE_ENDIAN |
|
if (c == 'r') { |
|
to[0] = from[2] ; |
|
to[1] = from[3] ; |
|
} |
|
else { |
|
to[1] = from[2] ; |
|
to[0] = from[3] ; |
|
} |
|
#else |
|
to[0] = from[2] ; |
|
to[1] = from[3] ; |
|
#endif |
|
from += 4 ; |
|
to += 2 ; |
|
len -= 4 ; |
|
break ; |
|
case 'F' : |
|
case 'B' : |
|
if (len < 4) { |
|
goto len_error ; |
|
} |
|
if (from[0] | from[1] | from[2]) |
|
goto val_error ; |
|
to[0] = from[3] ; |
|
len -= 4 ; |
|
from += 4 ; |
|
to += 4 ; |
|
break ; |
|
case 'C' : |
|
case 'T' : |
|
case 'L' : |
|
if (len < 4) { |
|
goto len_error ; |
|
} |
|
#ifdef LITTLE_ENDIAN |
|
to[3] = *from++ ; |
|
to[2] = *from++ ; |
|
to[1] = *from++ ; |
|
to[0] = *from++ ; |
|
#else |
|
to[0] = *from++ ; |
|
to[1] = *from++ ; |
|
to[2] = *from++ ; |
|
to[3] = *from++ ; |
|
#endif |
|
len -= 4 ; |
|
to += 4 ; |
|
break ; |
|
case 'A' : |
|
if (len < 8) |
|
goto len_error ; |
|
if (set) |
|
memcpy(to,from+2,6) ; |
|
to += 8 ; |
|
from += 8 ; |
|
len -= 8 ; |
|
break ; |
|
case '4' : |
|
if (len < 4) |
|
goto len_error ; |
|
if (set) |
|
memcpy(to,from,4) ; |
|
to += 4 ; |
|
from += 4 ; |
|
len -= 4 ; |
|
break ; |
|
case '8' : |
|
if (len < 8) |
|
goto len_error ; |
|
if (set) |
|
memcpy(to,from,8) ; |
|
to += 8 ; |
|
from += 8 ; |
|
len -= 8 ; |
|
break ; |
|
case 'D' : |
|
if (len < 32) |
|
goto len_error ; |
|
if (set) |
|
memcpy(to,from,32) ; |
|
to += 32 ; |
|
from += 32 ; |
|
len -= 32 ; |
|
break ; |
|
case 'P' : /* timestamp is NOT swapped */ |
|
if (set) { |
|
to[0] = *from++ ; |
|
to[1] = *from++ ; |
|
to[2] = *from++ ; |
|
to[3] = *from++ ; |
|
to[4] = *from++ ; |
|
to[5] = *from++ ; |
|
to[6] = *from++ ; |
|
to[7] = *from++ ; |
|
} |
|
to += 8 ; |
|
len -= 8 ; |
|
break ; |
|
default : |
|
SMT_PANIC(smc,SMT_E0120, SMT_E0120_MSG) ; |
|
return SMT_RDF_ILLEGAL; |
|
} |
|
} |
|
/* |
|
* actions and internal updates |
|
*/ |
|
switch (pa->p_type) { |
|
case SMT_P101A: /* fddiSMTConfigPolicy */ |
|
if (word_val & ~1) |
|
goto val_error ; |
|
IFSET(mib->fddiSMTConfigPolicy = word_val) ; |
|
break ; |
|
case SMT_P101B : /* fddiSMTConnectionPolicy */ |
|
if (!(word_val & POLICY_MM)) |
|
goto val_error ; |
|
IFSET(mib->fddiSMTConnectionPolicy = word_val) ; |
|
break ; |
|
case SMT_P101D : /* fddiSMTTT_Notify */ |
|
if (word_val < 2 || word_val > 30) |
|
goto val_error ; |
|
IFSET(mib->fddiSMTTT_Notify = word_val) ; |
|
break ; |
|
case SMT_P101E : /* fddiSMTStatRptPolicy */ |
|
if (byte_val & ~1) |
|
goto val_error ; |
|
IFSET(mib->fddiSMTStatRptPolicy = byte_val) ; |
|
break ; |
|
case SMT_P101F : /* fddiSMTTrace_MaxExpiration */ |
|
/* |
|
* note: lower limit trace_max = 6.001773... s |
|
* NO upper limit |
|
*/ |
|
if (long_val < (long)0x478bf51L) |
|
goto val_error ; |
|
IFSET(mib->fddiSMTTrace_MaxExpiration = long_val) ; |
|
break ; |
|
#ifdef ESS |
|
case SMT_P10F2 : /* fddiESSPayload */ |
|
if (long_val > 1562) |
|
goto val_error ; |
|
if (set && smc->mib.fddiESSPayload != long_val) { |
|
smc->ess.raf_act_timer_poll = TRUE ; |
|
smc->mib.fddiESSPayload = long_val ; |
|
} |
|
break ; |
|
case SMT_P10F3 : /* fddiESSOverhead */ |
|
if (long_val < 50 || long_val > 5000) |
|
goto val_error ; |
|
if (set && smc->mib.fddiESSPayload && |
|
smc->mib.fddiESSOverhead != long_val) { |
|
smc->ess.raf_act_timer_poll = TRUE ; |
|
smc->mib.fddiESSOverhead = long_val ; |
|
} |
|
break ; |
|
case SMT_P10F4 : /* fddiESSMaxTNeg */ |
|
if (long_val > -MS2BCLK(5) || long_val < -MS2BCLK(165)) |
|
goto val_error ; |
|
IFSET(mib->fddiESSMaxTNeg = long_val) ; |
|
break ; |
|
case SMT_P10F5 : /* fddiESSMinSegmentSize */ |
|
if (long_val < 1 || long_val > 4478) |
|
goto val_error ; |
|
IFSET(mib->fddiESSMinSegmentSize = long_val) ; |
|
break ; |
|
case SMT_P10F6 : /* fddiESSCategory */ |
|
if ((long_val & 0xffff) != 1) |
|
goto val_error ; |
|
IFSET(mib->fddiESSCategory = long_val) ; |
|
break ; |
|
case SMT_P10F7 : /* fddiESSSyncTxMode */ |
|
if (word_val > 1) |
|
goto val_error ; |
|
IFSET(mib->fddiESSSynchTxMode = word_val) ; |
|
break ; |
|
#endif |
|
#ifdef SBA |
|
case SMT_P10F8 : /* fddiSBACommand */ |
|
if (byte_val != SB_STOP && byte_val != SB_START) |
|
goto val_error ; |
|
IFSET(mib->fddiSBACommand = byte_val) ; |
|
break ; |
|
case SMT_P10F9 : /* fddiSBAAvailable */ |
|
if (byte_val > 100) |
|
goto val_error ; |
|
IFSET(mib->fddiSBAAvailable = byte_val) ; |
|
break ; |
|
#endif |
|
case SMT_P2020 : /* fddiMACRequestedPaths */ |
|
if ((word_val & (MIB_P_PATH_PRIM_PREFER | |
|
MIB_P_PATH_PRIM_ALTER)) == 0 ) |
|
goto val_error ; |
|
IFSET(mib_m->fddiMACRequestedPaths = word_val) ; |
|
break ; |
|
case SMT_P205F : /* fddiMACFrameErrorThreshold */ |
|
/* 0 .. ffff acceptable */ |
|
IFSET(mib_m->fddiMACFrameErrorThreshold = word_val) ; |
|
break ; |
|
case SMT_P2067 : /* fddiMACNotCopiedThreshold */ |
|
/* 0 .. ffff acceptable */ |
|
IFSET(mib_m->fddiMACNotCopiedThreshold = word_val) ; |
|
break ; |
|
case SMT_P2076: /* fddiMACMA_UnitdataEnable */ |
|
if (byte_val & ~1) |
|
goto val_error ; |
|
if (set) { |
|
mib_m->fddiMACMA_UnitdataEnable = byte_val ; |
|
queue_event(smc,EVENT_RMT,RM_ENABLE_FLAG) ; |
|
} |
|
break ; |
|
case SMT_P20F1 : /* fddiMACT_Min */ |
|
IFSET(mib_m->fddiMACT_Min = long_val) ; |
|
break ; |
|
case SMT_P320F : |
|
if (long_val > 1562) |
|
goto val_error ; |
|
IFSET(mib_a->fddiPATHSbaPayload = long_val) ; |
|
#ifdef ESS |
|
if (set) |
|
ess_para_change(smc) ; |
|
#endif |
|
break ; |
|
case SMT_P3210 : |
|
if (long_val > 5000) |
|
goto val_error ; |
|
|
|
if (long_val != 0 && mib_a->fddiPATHSbaPayload == 0) |
|
goto val_error ; |
|
|
|
IFSET(mib_a->fddiPATHSbaOverhead = long_val) ; |
|
#ifdef ESS |
|
if (set) |
|
ess_para_change(smc) ; |
|
#endif |
|
break ; |
|
case SMT_P3213: /* fddiPATHT_Rmode */ |
|
/* no limit : |
|
* 0 .. 343.597 => 0 .. 2e32 * 80nS |
|
*/ |
|
if (set) { |
|
mib_a->fddiPATHT_Rmode = long_val ; |
|
rtm_set_timer(smc) ; |
|
} |
|
break ; |
|
case SMT_P3214 : /* fddiPATHSbaAvailable */ |
|
if (long_val > 0x00BEBC20L) |
|
goto val_error ; |
|
#ifdef SBA |
|
if (set && mib->fddiSBACommand == SB_STOP) |
|
goto val_error ; |
|
#endif |
|
IFSET(mib_a->fddiPATHSbaAvailable = long_val) ; |
|
break ; |
|
case SMT_P3215 : /* fddiPATHTVXLowerBound */ |
|
IFSET(mib_a->fddiPATHTVXLowerBound = long_val) ; |
|
goto change_mac_para ; |
|
case SMT_P3216 : /* fddiPATHT_MaxLowerBound */ |
|
IFSET(mib_a->fddiPATHT_MaxLowerBound = long_val) ; |
|
goto change_mac_para ; |
|
case SMT_P3217 : /* fddiPATHMaxT_Req */ |
|
IFSET(mib_a->fddiPATHMaxT_Req = long_val) ; |
|
|
|
change_mac_para: |
|
if (set && smt_set_mac_opvalues(smc)) { |
|
RS_SET(smc,RS_EVENT) ; |
|
smc->sm.please_reconnect = 1 ; |
|
queue_event(smc,EVENT_ECM,EC_DISCONNECT) ; |
|
} |
|
break ; |
|
case SMT_P400E : /* fddiPORTConnectionPolicies */ |
|
if (byte_val > 1) |
|
goto val_error ; |
|
IFSET(mib_p->fddiPORTConnectionPolicies = byte_val) ; |
|
break ; |
|
case SMT_P4011 : /* fddiPORTRequestedPaths */ |
|
/* all 3*8 bits allowed */ |
|
IFSET(memcpy((char *)mib_p->fddiPORTRequestedPaths, |
|
(char *)&long_val,4)) ; |
|
break ; |
|
case SMT_P401F: /* fddiPORTMaint_LS */ |
|
if (word_val > 4) |
|
goto val_error ; |
|
IFSET(mib_p->fddiPORTMaint_LS = word_val) ; |
|
break ; |
|
case SMT_P403A : /* fddiPORTLer_Cutoff */ |
|
if (byte_val < 4 || byte_val > 15) |
|
goto val_error ; |
|
IFSET(mib_p->fddiPORTLer_Cutoff = byte_val) ; |
|
break ; |
|
case SMT_P403B : /* fddiPORTLer_Alarm */ |
|
if (byte_val < 4 || byte_val > 15) |
|
goto val_error ; |
|
IFSET(mib_p->fddiPORTLer_Alarm = byte_val) ; |
|
break ; |
|
|
|
/* |
|
* Actions |
|
*/ |
|
case SMT_P103C : /* fddiSMTStationAction */ |
|
if (smt_action(smc,SMT_STATION_ACTION, (int) word_val, 0)) |
|
goto val_error ; |
|
break ; |
|
case SMT_P4046: /* fddiPORTAction */ |
|
if (smt_action(smc,SMT_PORT_ACTION, (int) word_val, |
|
port_to_mib(smc,port))) |
|
goto val_error ; |
|
break ; |
|
default : |
|
break ; |
|
} |
|
return 0; |
|
|
|
val_error: |
|
/* parameter value in frame is out of range */ |
|
return SMT_RDF_RANGE; |
|
|
|
len_error: |
|
/* parameter value in frame is too short */ |
|
return SMT_RDF_LENGTH; |
|
|
|
#if 0 |
|
no_author_error: |
|
/* parameter not setable, because the SBA is not active |
|
* Please note: we give the return code 'not authorizeed |
|
* because SBA denied is not a valid return code in the |
|
* PMF protocol. |
|
*/ |
|
return SMT_RDF_AUTHOR; |
|
#endif |
|
} |
|
|
|
static const struct s_p_tab *smt_get_ptab(u_short para) |
|
{ |
|
const struct s_p_tab *pt ; |
|
for (pt = p_tab ; pt->p_num && pt->p_num != para ; pt++) |
|
; |
|
return pt->p_num ? pt : NULL; |
|
} |
|
|
|
static int smt_mib_phys(struct s_smc *smc) |
|
{ |
|
#ifdef CONCENTRATOR |
|
SK_UNUSED(smc) ; |
|
|
|
return NUMPHYS; |
|
#else |
|
if (smc->s.sas == SMT_SAS) |
|
return 1; |
|
return NUMPHYS; |
|
#endif |
|
} |
|
|
|
static int port_to_mib(struct s_smc *smc, int p) |
|
{ |
|
#ifdef CONCENTRATOR |
|
SK_UNUSED(smc) ; |
|
|
|
return p; |
|
#else |
|
if (smc->s.sas == SMT_SAS) |
|
return PS; |
|
return p; |
|
#endif |
|
} |
|
|
|
|
|
#ifdef DEBUG |
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#ifndef BOOT |
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void dump_smt(struct s_smc *smc, struct smt_header *sm, char *text) |
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{ |
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int len ; |
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struct smt_para *pa ; |
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char *c ; |
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int n ; |
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int nn ; |
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#ifdef LITTLE_ENDIAN |
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int smtlen ; |
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#endif |
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SK_UNUSED(smc) ; |
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#ifdef DEBUG_BRD |
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if (smc->debug.d_smtf < 2) |
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#else |
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if (debug.d_smtf < 2) |
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#endif |
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return ; |
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#ifdef LITTLE_ENDIAN |
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smtlen = sm->smt_len + sizeof(struct smt_header) ; |
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#endif |
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printf("SMT Frame [%s]:\nDA ",text) ; |
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dump_hex((char *) &sm->smt_dest,6) ; |
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printf("\tSA ") ; |
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dump_hex((char *) &sm->smt_source,6) ; |
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printf(" Class %x Type %x Version %x\n", |
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sm->smt_class,sm->smt_type,sm->smt_version) ; |
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printf("TID %x\t\tSID ", sm->smt_tid); |
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dump_hex((char *) &sm->smt_sid,8) ; |
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printf(" LEN %x\n",sm->smt_len) ; |
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len = sm->smt_len ; |
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pa = (struct smt_para *) (sm + 1) ; |
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while (len > 0 ) { |
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int plen ; |
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#ifdef UNIX |
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printf("TYPE %x LEN %x VALUE\t",pa->p_type,pa->p_len) ; |
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#else |
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printf("TYPE %04x LEN %2x VALUE\t",pa->p_type,pa->p_len) ; |
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#endif |
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n = pa->p_len ; |
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if ( (n < 0 ) || (n > (int)(len - PARA_LEN))) { |
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n = len - PARA_LEN ; |
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printf(" BAD LENGTH\n") ; |
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break ; |
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} |
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#ifdef LITTLE_ENDIAN |
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smt_swap_para(sm,smtlen,0) ; |
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#endif |
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if (n < 24) { |
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dump_hex((char *)(pa+1),(int) n) ; |
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printf("\n") ; |
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} |
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else { |
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int first = 0 ; |
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c = (char *)(pa+1) ; |
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dump_hex(c,16) ; |
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printf("\n") ; |
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n -= 16 ; |
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c += 16 ; |
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while (n > 0) { |
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nn = (n > 16) ? 16 : n ; |
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if (n > 64) { |
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if (first == 0) |
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printf("\t\t\t...\n") ; |
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first = 1 ; |
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} |
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else { |
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printf("\t\t\t") ; |
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dump_hex(c,nn) ; |
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printf("\n") ; |
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} |
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n -= nn ; |
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c += 16 ; |
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} |
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} |
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#ifdef LITTLE_ENDIAN |
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smt_swap_para(sm,smtlen,1) ; |
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#endif |
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plen = (pa->p_len + PARA_LEN + 3) & ~3 ; |
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len -= plen ; |
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pa = (struct smt_para *)((char *)pa + plen) ; |
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} |
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printf("-------------------------------------------------\n\n") ; |
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} |
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void dump_hex(char *p, int len) |
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{ |
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int n = 0 ; |
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while (len--) { |
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n++ ; |
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#ifdef UNIX |
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printf("%x%s",*p++ & 0xff,len ? ( (n & 7) ? " " : "-") : "") ; |
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#else |
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printf("%02x%s",*p++ & 0xff,len ? ( (n & 7) ? " " : "-") : "") ; |
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#endif |
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} |
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} |
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#endif /* no BOOT */ |
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#endif /* DEBUG */ |
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#endif /* no SLIM_SMT */
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