aboutsummaryrefslogtreecommitdiffstats
BranchCommit messageAuthorAge
archive/unc-master-3.0P-FP: fix BUG_ON releated to priority inheritanceBjoern Brandenburg13 years
archived-2013.1uncachedev: mmap memory that is not cached by CPUsGlenn Elliott12 years
archived-private-masterMerge branch 'wip-2.6.34' into old-private-masterAndrea Bastoni15 years
archived-semi-partMerge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...Andrea Bastoni15 years
demoFurther refinementsJonathan Herman14 years
ecrts-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
ecrts14-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
gpusync-rtss12Final GPUSync implementation.Glenn Elliott12 years
gpusync/stagingRename IKGLP R2DGLP.Glenn Elliott12 years
linux-tipMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...Linus Torvalds15 years
litmus2008-patch-seriesadd i386 feather-trace implementationBjoern B. Brandenburg16 years
masterPSN-EDF: use inferred_sporadic_job_release_atBjoern Brandenburg9 years
pgmmake it compileGlenn Elliott12 years
prop/litmus-signalsInfrastructure for Litmus signals.Glenn Elliott13 years
prop/robust-tie-breakFixed bug in edf_higher_prio().Glenn Elliott13 years
stagingFix tracepoint compilation errorFelipe Cerqueira13 years
test9/23/2016Namhoon Kim9 years
tracing-develTest kernel tracing events capabilitiesAndrea Bastoni16 years
v2.6.34-with-arm-patchessmsc911x: Add spinlocks around registers accessCatalin Marinas15 years
v2015.1Add ARM syscall def for get_current_budgetBjoern Brandenburg10 years
wip-2011.2-bbbLitmus core: simplify np-section protocolBjoern B. Brandenburg14 years
wip-2011.2-bbb-traceRefactor sched_trace_log_message() -> debug_trace_log_message()Andrea Bastoni14 years
wip-2012.3-gpuSOBLIV draining support for C-EDF.Glenn Elliott12 years
wip-2012.3-gpu-preportpick up last C-RM fileGlenn Elliott12 years
wip-2012.3-gpu-rtss13Fix critical bug in GPU tracker.Glenn Elliott12 years
wip-2012.3-gpu-sobliv-budget-w-ksharkProper sobliv draining and many bug fixes.Glenn Elliott12 years
wip-aedzl-finalMake it easier to compile AEDZL interfaces in liblitmus.Glenn Elliott15 years
wip-aedzl-revisedAdd sched_trace data for Apative EDZLGlenn Elliott15 years
wip-arbit-deadlineFix compilation bug.Glenn Elliott13 years
wip-aux-tasksDescription of refined aux task inheritance.Glenn Elliott13 years
wip-bbbGSN-EDF & Core: improve debug TRACE'ing for NP sectionsBjoern B. Brandenburg14 years
wip-bbb-prio-donuse correct timestampBjoern B. Brandenburg14 years
wip-better-breakImplement hash-based EDF tie-breaking.Glenn Elliott13 years
wip-binary-heapMake C-EDF work with simplified binheap_deleteGlenn Elliott13 years
wip-budgetAdded support for choices in budget policy enforcement.Glenn Elliott15 years
wip-colorSummarize schedulability with final recordJonathan Herman13 years
wip-color-jlhsched_color: Fixed two bugs causing crashing on experiment restart and a rare...Jonathan Herman13 years
wip-d10-hz1000Enable HZ=1000 on District 10Bjoern B. Brandenburg15 years
wip-default-clusteringFeature: Make default C-EDF clustering compile-time configurable.Glenn Elliott15 years
wip-dissipation-jericksoUpdate from 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-dissipation2-jericksoUpdate 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-ecrts14-pgmMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
wip-edf-hsblast tested versionJonathan Herman14 years
wip-edf-osLookup table EDF-osJeremy Erickson12 years
wip-edf-tie-breakMerge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...Glenn Elliott13 years
wip-edzl-critiqueUse hr_timer's active checks instead of having own flag.Glenn Elliott15 years
wip-edzl-finalImplementation of the EDZL scheduler.Glenn Elliott15 years
wip-edzl-revisedClean up comments.Glenn Elliott15 years
wip-eventsAdded support for tracing arbitrary actions.Jonathan Herman15 years
wip-extra-debugDBG: add additional tracingBjoern B. Brandenburg15 years
wip-fix-switch-jericksoAttempt to fix race condition with plugin switchingJeremy Erickson15 years
wip-fix3sched: show length of runqueue clock deactivation in /proc/sched_debugBjoern B. Brandenburg15 years
wip-fmlp-dequeueImprove FMLP queue management.Glenn Elliott14 years
wip-ft-irq-flagFeather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-gpu-cleanupEnable sched_trace log injection from userspaceGlenn Elliott13 years
wip-gpu-interruptsRemove option for threading of all softirqs.Glenn Elliott14 years
wip-gpu-rtas12Generalized GPU cost predictors + EWMA. (untested)Glenn Elliott13 years
wip-gpu-rtss12Final GPUSync implementation.Glenn Elliott13 years
wip-gpu-rtss12-srpexperimental changes to support GPUs under SRPGlenn Elliott13 years
wip-gpusync-mergeCleanup priority tracking for budget enforcement.Glenn Elliott11 years
wip-ikglpMove RSM and IKGLP imp. to own .c filesGlenn Elliott13 years
wip-k-fmlpMerge branch 'mpi-master' into wip-k-fmlpGlenn Elliott14 years
wip-kernel-coloringAdded recolor syscallNamhoon Kim7 years
wip-kernthreadsKludge work-queue processing into klitirqd.Glenn Elliott15 years
wip-klmirqd-to-auxAllow klmirqd threads to be given names.Glenn Elliott13 years
wip-ksharkMerge branch 'mpi-staging' into wip-ksharkJonathan Herman13 years
wip-litmus-3.2Merge commit 'v3.2' into litmus-stagingAndrea Bastoni13 years
wip-litmus2011.2Cleanup: Coding conformance for affinity stuff.Glenn Elliott14 years
wip-litmus3.0-2011.2Feather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-master-2.6.33-rtAvoid deadlock when switching task policy to BACKGROUND (ugly)Andrea Bastoni15 years
wip-mcRemoved ARM-specific hacks which disabled less common mixed-criticality featu...Jonathan Herman12 years
wip-mc-bipasaMC-EDF addedbipasa chattopadhyay13 years
wip-mc-jericksoSplit C/D queuesJeremy Erickson15 years
wip-mc2-cache-slackManually patched mc^2 related codeMing Yang10 years
wip-mcrit-maccosmeticMac Mollison15 years
wip-merge-3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-merge-v3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-migration-affinityNULL affinity dereference in C-EDF.Glenn Elliott14 years
wip-mmap-uncacheshare branch with othersGlenn Elliott13 years
wip-modechangeRTSS 2017 submissionNamhoon Kim8 years
wip-nested-lockingAppears to be working.Bryan Ward12 years
wip-omlp-gedfFirst implementation of G-OMLP.Glenn Elliott15 years
wip-paiSome cleanup of PAIGlenn Elliott14 years
wip-percore-lib9/21/2016Namhoon Kim9 years
wip-performanceCONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.Glenn Elliott14 years
wip-pgmAdd PGM support to C-FLGlenn Elliott12 years
wip-pgm-splitFirst draft of C-FL-splitNamhoon Kim12 years
wip-pm-ovdAdd preemption-and-migration overhead tracing supportAndrea Bastoni15 years
wip-prio-inhP-EDF updated to use the generic pi framework.Glenn Elliott15 years
wip-prioq-dglBUG FIX: Support DGLs with PRIOQ_MUTEXGlenn Elliott13 years
wip-refactored-gedfGeneralizd architecture for GEDF-style scheduelrs to reduce code redundancy.Glenn Elliott15 years
wip-release-master-fixbugfix: release master CPU must signal task was pickedBjoern B. Brandenburg14 years
wip-robust-tie-breakEDF priority tie-breaks.Glenn Elliott13 years
wip-rt-ksharkMove task time accounting into the complete_job method.Jonathan Herman13 years
wip-rtas12-pgmScheduling of PGM jobs.Glenn Elliott13 years
wip-semi-partFix compile error with newer GCCJeremy Erickson12 years
wip-semi-part-edfos-jericksoUse initial CPU set by clientJeremy Erickson12 years
wip-shared-libTODO: Fix condition checks in replicate_page_move_mapping()Namhoon Kim9 years
wip-shared-lib2RTAS 2017 Submission ver.Namhoon Kim9 years
wip-shared-memInitial commit for shared libraryNamhoon Kim9 years
wip-splitting-jericksoFix release behaviorJeremy Erickson13 years
wip-splitting-omlp-jericksoBjoern's Dissertation Code with Priority DonationJeremy Erickson13 years
wip-stage-binheapAn efficient binary heap implementation.Glenn Elliott13 years
wip-sun-portDynamic memory allocation and clean exit for FeatherTraceChristopher Kenna15 years
wip-timer-tracebugfix: C-EDF, clear scheduled field of the correct CPU upon task_exitAndrea Bastoni15 years
wip-tracepointsAdd kernel-style events for sched_trace_XXX() functionsAndrea Bastoni14 years
 
TagDownloadAuthorAge
2015.1commit 8e51b37822...Bjoern Brandenburg10 years
2013.1commit bcaacec1ca...Glenn Elliott12 years
2012.3commit c158b5fbe4...Jonathan Herman13 years
2012.2commit b53c479a0f...Glenn Elliott13 years
2012.1commit 83b11ea1c6...Bjoern B. Brandenburg14 years
rtas12-mc-beta-expcommit 8e236ee20f...Christopher Kenna14 years
2011.1commit d11808b5c6...Christopher Kenna15 years
v2.6.37-rc4commit e8a7e48bb2...Linus Torvalds15 years
v2.6.37-rc3commit 3561d43fd2...Linus Torvalds15 years
v2.6.37-rc2commit e53beacd23...Linus Torvalds15 years
v2.6.37-rc1commit c8ddb2713c...Linus Torvalds15 years
v2.6.36commit f6f94e2ab1...Linus Torvalds15 years
2010.2commit 5c5456402d...Bjoern B. Brandenburg15 years
v2.6.36-rc8commit cd07202cc8...Linus Torvalds15 years
v2.6.36-rc7commit cb655d0f3d...Linus Torvalds15 years
v2.6.36-rc6commit 899611ee7d...Linus Torvalds15 years
v2.6.36-rc5commit b30a3f6257...Linus Torvalds15 years
v2.6.36-rc4commit 49553c2ef8...Linus Torvalds15 years
v2.6.36-rc3commit 2bfc96a127...Linus Torvalds15 years
v2.6.36-rc2commit 76be97c1fc...Linus Torvalds15 years
v2.6.36-rc1commit da5cabf80e...Linus Torvalds15 years
v2.6.35commit 9fe6206f40...Linus Torvalds15 years
v2.6.35-rc6commit b37fa16e78...Linus Torvalds15 years
v2.6.35-rc5commit 1c5474a65b...Linus Torvalds15 years
v2.6.35-rc4commit 815c4163b6...Linus Torvalds15 years
v2.6.35-rc3commit 7e27d6e778...Linus Torvalds15 years
v2.6.35-rc2commit e44a21b726...Linus Torvalds15 years
v2.6.35-rc1commit 67a3e12b05...Linus Torvalds15 years
2010.1commit 7c1ff4c544...Andrea Bastoni15 years
v2.6.34commit e40152ee1e...Linus Torvalds15 years
v2.6.33.4commit 4640b4e7d9...Greg Kroah-Hartman15 years
v2.6.34-rc7commit b57f95a382...Linus Torvalds15 years
v2.6.34-rc6commit 66f41d4c5c...Linus Torvalds15 years
v2.6.33.3commit 3e7ad8ed97...Greg Kroah-Hartman15 years
v2.6.34-rc5commit 01bf0b6457...Linus Torvalds15 years
v2.6.34-rc4commit 0d0fb0f9c5...Linus Torvalds15 years
v2.6.33.2commit 19f00f070c...Greg Kroah-Hartman15 years
v2.6.34-rc3commit 2eaa9cfdf3...Linus Torvalds15 years
v2.6.34-rc2commit 220bf991b0...Linus Torvalds15 years
v2.6.33.1commit dbdafe5ccf...Greg Kroah-Hartman15 years
v2.6.34-rc1commit 57d54889cd...Linus Torvalds16 years
v2.6.33commit 60b341b778...Linus Torvalds16 years
v2.6.33-rc8commit 724e6d3fe8...Linus Torvalds16 years
v2.6.33-rc7commit 29275254ca...Linus Torvalds16 years
v2.6.33-rc6commit abe94c756c...Linus Torvalds16 years
v2.6.33-rc5commit 92dcffb916...Linus Torvalds16 years
v2.6.33-rc4commit 7284ce6c9f...Linus Torvalds16 years
v2.6.33-rc3commit 74d2e4f8d7...Linus Torvalds16 years
v2.6.33-rc2commit 6b7b284958...Linus Torvalds16 years
v2.6.33-rc1commit 55639353a0...Linus Torvalds16 years
v2.6.32commit 22763c5cf3...Linus Torvalds16 years
v2.6.32-rc8commit 648f4e3e50...Linus Torvalds16 years
v2.6.32-rc7commit 156171c71a...Linus Torvalds16 years
v2.6.32-rc6commit b419148e56...Linus Torvalds16 years
v2.6.32-rc5commit 012abeea66...Linus Torvalds16 years
v2.6.32-rc4commit 161291396e...Linus Torvalds16 years
v2.6.32-rc3commit 374576a8b6...Linus Torvalds16 years
v2.6.32-rc1commit 17d857be64...Linus Torvalds16 years
v2.6.32-rc2commit 17d857be64...Linus Torvalds16 years
v2.6.31commit 74fca6a428...Linus Torvalds16 years
v2.6.31-rc9commit e07cccf404...Linus Torvalds16 years
v2.6.31-rc8commit 326ba5010a...Linus Torvalds16 years
v2.6.31-rc7commit 422bef879e...Linus Torvalds16 years
v2.6.31-rc6commit 64f1607ffb...Linus Torvalds16 years
v2.6.31-rc5commit ed680c4ad4...Linus Torvalds16 years
v2.6.31-rc4commit 4be3bd7849...Linus Torvalds16 years
v2.6.31-rc3commit 6847e154e3...Linus Torvalds16 years
v2.6.31-rc2commit 8e4a718ff3...Linus Torvalds16 years
v2.6.31-rc1commit 28d0325ce6...Linus Torvalds16 years
v2.6.30commit 07a2039b8e...Linus Torvalds16 years
v2.6.30-rc8commit 9fa7eb283c...Linus Torvalds16 years
v2.6.30-rc7commit 59a3759d0f...Linus Torvalds16 years
v2.6.30-rc6commit 1406de8e11...Linus Torvalds16 years
v2.6.30-rc5commit 091bf7624d...Linus Torvalds16 years
v2.6.30-rc4commit 091438dd56...Linus Torvalds16 years
v2.6.30-rc3commit 0910697403...Linus Torvalds16 years
v2.6.30-rc2commit 0882e8dd3a...Linus Torvalds16 years
v2.6.30-rc1commit 577c9c456f...Linus Torvalds16 years
v2.6.29commit 8e0ee43bc2...Linus Torvalds16 years
v2.6.29-rc8commit 041b62374c...Linus Torvalds17 years
v2.6.29-rc7commit fec6c6fec3...Linus Torvalds17 years
v2.6.29-rc6commit 20f4d6c3a2...Linus Torvalds17 years
v2.6.29-rc5commit d2f8d7ee1a...Linus Torvalds17 years
v2.6.29-rc4commit 8e4921515c...Linus Torvalds17 years
v2.6.29-rc3commit 18e352e4a7...Linus Torvalds17 years
v2.6.29-rc2commit 1de9e8e70f...Linus Torvalds17 years
v2.6.29-rc1commit c59765042f...Linus Torvalds17 years
v2.6.28commit 4a6908a3a0...Linus Torvalds17 years
v2.6.28-rc9commit 929096fe9f...Linus Torvalds17 years
v2.6.28-rc8commit 8b1fae4e42...Linus Torvalds17 years
v2.6.28-rc7commit 061e41fdb5...Linus Torvalds17 years
v2.6.28-rc6commit 13d428afc0...Linus Torvalds17 years
v2.6.28-rc5commit 9bf1a2445f...Linus Torvalds17 years
v2.6.28-rc4commit f7160c7573...Linus Torvalds17 years
v2.6.28-rc3commit 45beca08dd...Linus Torvalds17 years
v2.6.28-rc2commit 0173a3265b...Linus Torvalds17 years
v2.6.28-rc1commit 57f8f7b60d...Linus Torvalds17 years
v2.6.27commit 3fa8749e58...Linus Torvalds17 years
v2.6.27-rc9commit 4330ed8ed4...Linus Torvalds17 years
v2.6.27-rc8commit 94aca1dac6...Linus Torvalds17 years
v2.6.27-rc7commit 72d31053f6...Linus Torvalds17 years
v2.6.27-rc6commit adee14b2e1...Linus Torvalds17 years
v2.6.27-rc5commit 24342c34a0...Linus Torvalds17 years
v2.6.27-rc4commit 6a55617ed5...Linus Torvalds17 years
v2.6.27-rc3commit 30a2f3c60a...Linus Torvalds17 years
v2.6.27-rc2commit 0967d61ea0...Linus Torvalds17 years
v2.6.27-rc1commit 6e86841d05...Linus Torvalds17 years
v2.6.26commit bce7f793da...Linus Torvalds17 years
v2.6.26-rc9commit b7279469d6...Linus Torvalds17 years
v2.6.26-rc8commit 543cf4cb3f...Linus Torvalds17 years
v2.6.26-rc7commit d70ac829b7...Linus Torvalds17 years
v2.6.26-rc6commit 5dd34572ad...Linus Torvalds17 years
v2.6.26-rc5commit 53c8ba9540...Linus Torvalds17 years
v2.6.26-rc4commit e490517a03...Linus Torvalds17 years
v2.6.26-rc3commit b8291ad07a...Linus Torvalds17 years
v2.6.26-rc2commit 492c2e476e...Linus Torvalds17 years
v2.6.26-rc1commit 2ddcca36c8...Linus Torvalds17 years
v2.6.25commit 4b119e21d0...Linus Torvalds17 years
v2.6.25-rc9commit 120dd64cac...Linus Torvalds17 years
v2.6.25-rc8commit 0e81a8ae37...Linus Torvalds17 years
v2.6.25-rc7commit 05dda977f2...Linus Torvalds17 years
v2.6.25-rc6commit a978b30af3...Linus Torvalds17 years
v2.6.25-rc5commit cdeeeae056...Linus Torvalds18 years
v2.6.25-rc4commit 29e8c3c304...Linus Torvalds18 years
v2.6.25-rc3commit bfa274e243...Linus Torvalds18 years
v2.6.25-rc2commit 101142c37b...Linus Torvalds18 years
v2.6.25-rc1commit 19af35546d...Linus Torvalds18 years
v2.6.24commit 49914084e7...Linus Torvalds18 years
v2.6.24-rc8commit cbd9c88369...Linus Torvalds18 years
v2.6.24-rc7commit 3ce5445046...Linus Torvalds18 years
v2.6.24-rc6commit ea67db4cdb...Linus Torvalds18 years
v2.6.24-rc5commit 82d29bf6dc...Linus Torvalds18 years
v2.6.24-rc4commit 09b56adc98...Linus Torvalds18 years
v2.6.24-rc3commit d9f8bcbf67...Linus Torvalds18 years
v2.6.24-rc2commit dbeeb816e8...Linus Torvalds18 years
v2.6.24-rc1commit c9927c2bf4...Linus Torvalds18 years
v2.6.23commit bbf25010f1...Linus Torvalds18 years
v2.6.23-rc9commit 3146b39c18...Linus Torvalds18 years
v2.6.23-rc8commit 4942de4a0e...Linus Torvalds18 years
v2.6.23-rc7commit 81cfe79b9c...Linus Torvalds18 years
v2.6.23-rc6commit 0d4cbb5e7f...Linus Torvalds18 years
v2.6.23-rc5commit 40ffbfad6b...Linus Torvalds18 years
v2.6.23-rc4commit b07d68b5ca...Linus Torvalds18 years
v2.6.23-rc3commit 39d3520c92...Linus Torvalds18 years
v2.6.23-rc2commit d4ac2477fa...Linus Torvalds18 years
v2.6.23-rc1commit f695baf2df...Linus Torvalds18 years
v2.6.22commit 7dcca30a32...Linus Torvalds18 years
v2.6.22-rc7commit a38d6181ff...Linus Torvalds18 years
v2.6.22-rc6commit 189548642c...Linus Torvalds18 years
v2.6.22-rc5commit 188e1f81ba...Linus Torvalds18 years
v2.6.22-rc4commit 5ecd3100e6...Linus Torvalds18 years
v2.6.22-rc3commit c420bc9f09...Linus Torvalds18 years
v2.6.22-rc2commit 55b637c6a0...Linus Torvalds18 years
v2.6.22-rc1commit 39403865d2...Linus Torvalds18 years
v2.6.21commit de46c33745...Linus Torvalds18 years
v2.6.21-rc7commit 94a05509a9...Linus Torvalds18 years
v2.6.21-rc6commit a21bd69e15...Linus Torvalds18 years
v2.6.21-rc5commit e0f2e3a06b...Linus Torvalds18 years
v2.6.21-rc4commit db98e0b434...Linus Torvalds18 years
v2.6.21-rc3commit 08e15e81a4...Linus Torvalds19 years
v2.6.21-rc2commit 606135a308...Linus Torvalds19 years
v2.6.21-rc1commit c8f71b01a5...Linus Torvalds19 years
v2.6.20commit 62d0cfcb27...Linus Torvalds19 years
v2.6.20-rc7commit f56df2f4db...Linus Torvalds19 years
v2.6.20-rc6commit 99abfeafb5...Linus Torvalds19 years
v2.6.20-rc5commit a8b3485287...Linus Torvalds19 years
v2.6.20-rc4commit bf81b46482...Linus Torvalds19 years
v2.6.20-rc3commit 669df1b478...Linus Torvalds19 years
v2.6.20-rc2commit 3bf8ba38f3...Linus Torvalds19 years
v2.6.20-rc1commit cc016448b0...Linus Torvalds19 years
v2.6.19commit 0215ffb08c...Linus Torvalds19 years
v2.6.19-rc6commit 44597f65f6...Linus Torvalds19 years
v2.6.19-rc5commit 80c2188127...Linus Torvalds19 years
v2.6.19-rc4commit ae99a78af3...Linus Torvalds19 years
v2.6.19-rc3commit 7059abedd2...Linus Torvalds19 years
v2.6.19-rc2commit b4bd8c6643...Linus Torvalds19 years
v2.6.19-rc1commit d223a60106...Linus Torvalds19 years
v2.6.18commit e478bec0ba...Linus Torvalds19 years
v2.6.18-rc7commit 95064a75eb...Linus Torvalds19 years
v2.6.18-rc6commit c336923b66...Linus Torvalds19 years
v2.6.18-rc5commit 60d4684068...Linus Torvalds19 years
v2.6.18-rc4commit 9f737633e6...Linus Torvalds19 years
v2.6.18-rc3commit b6ff50833a...Linus Torvalds19 years
v2.6.18-rc2commit 82d6897fef...Linus Torvalds19 years
v2.6.18-rc1commit 120bda20c6...Linus Torvalds19 years
v2.6.17commit 427abfa28a...Linus Torvalds19 years
v2.6.17-rc6commit 1def630a6a...Linus Torvalds19 years
v2.6.17-rc5commit a8bd60705a...Linus Torvalds19 years
v2.6.17-rc4commit d8c3291c73...Linus Torvalds19 years
v2.6.17-rc3commit 2be4d50295...Linus Torvalds19 years
v2.6.17-rc2commit 8bbde0e6d5...Linus Torvalds19 years
v2.6.17-rc1commit 6246b6128b...Linus Torvalds19 years
v2.6.16commit 7705a8792b...Linus Torvalds19 years
v2.6.16-rc6commit 535744878e...Linus Torvalds20 years
v2.6.16-rc5commit b9a33cebac...Linus Torvalds20 years
v2.6.16-rc4commit bd71c2b174...Linus Torvalds20 years
v2.6.16-rc3commit e9bb4c9929...Linus Torvalds20 years
v2.6.16-rc2commit 826eeb53a6...Linus Torvalds20 years
v2.6.16-rc1commit 2664b25051...Linus Torvalds20 years
v2.6.15commit 88026842b0...Linus Torvalds20 years
v2.6.15-rc7commit f89f5948fc...Linus Torvalds20 years
v2.6.15-rc6commit df7addbb45...Linus Torvalds20 years
v2.6.15-rc5commit 436b0f76f2...Linus Torvalds20 years
v2.6.15-rc4commit 5666c0947e...Linus Torvalds20 years
v2.6.15-rc3commit 624f54be20...Linus Torvalds20 years
v2.6.15-rc2commit 3bedff1d73...Linus Torvalds20 years
v2.6.15-rc1commit cd52d1ee9a...Linus Torvalds20 years
v2.6.14commit 741b2252a5...Linus Torvalds20 years
v2.6.14-rc5commit 93918e9afc...Linus Torvalds20 years
v2.6.14-rc4commit 907a426179...Linus Torvalds20 years
v2.6.14-rc3commit 1c9426e8a5...Linus Torvalds20 years
v2.6.14-rc2commit 676d55ae30...Linus Torvalds20 years
v2.6.14-rc1commit 2f4ba45a75...Linus Torvalds20 years
v2.6.13commit 02b3e4e2d7...Linus Torvalds20 years
v2.6.13-rc7commit 0572e3da3f...Linus Torvalds20 years
v2.6.13-rc6commit 6fc32179de...Linus Torvalds20 years
v2.6.13-rc5commit 9a351e30d7...Linus Torvalds20 years
v2.6.13-rc4commit 6395352334...Linus Torvalds20 years
v2.6.11tree c39ae07f39...
v2.6.11-treetree c39ae07f39...
v2.6.12commit 9ee1c939d1...
v2.6.12-rc2commit 1da177e4c3...
v2.6.12-rc3commit a2755a80f4...
v2.6.12-rc4commit 88d7bd8cb9...
v2.6.12-rc5commit 2a24ab628a...
v2.6.12-rc6commit 7cef5677ef...
v2.6.13-rc1commit 4c91aedb75...
v2.6.13-rc2commit a18bcb7450...
v2.6.13-rc3commit c32511e271...
if (cardpresent == TR_ISA && (readb(AIPFID + t_mmio) == 0x0e)) cardpresent = TR_ISAPNP; if (cardpresent == NOTOK) { /* "channel_id" did not match, report */ if (!(ibmtr_debug_trace & TRC_INIT)) { #ifndef PCMCIA iounmap(t_mmio); #endif return -ENODEV; } DPRINTK( "Channel ID string not found for PIOaddr: %4hx\n", PIOaddr); DPRINTK("Expected for ISA: "); PrtChanID(pcchannelid, 1); DPRINTK(" found: "); /* BMS Note that this can be misleading, when hardware is flaky, because you are reading it a second time here. So with my flaky hardware, I'll see my- self in this block, with the HW ID matching the ISA ID exactly! */ HWPrtChanID(cd_chanid, 2); DPRINTK("Expected for MCA: "); PrtChanID(mcchannelid, 1); } /* Now, setup some of the pl0 buffers for this driver.. */ /* If called from PCMCIA, it is already set up, so no need to waste the memory, just use the existing structure */ #ifndef PCMCIA ti->mmio = t_mmio; for (i = 0; i < IBMTR_MAX_ADAPTERS; i++) { if (turbo_io[i] != PIOaddr) continue; #if IBMTR_DEBUG_MESSAGES printk("ibmtr::tr_probe1, setting PIOaddr %x to Turbo\n", PIOaddr); #endif ti->turbo = 1; t_irq = turbo_irq[i]; } #endif /* !PCMCIA */ ti->readlog_pending = 0; init_waitqueue_head(&ti->wait_for_reset); /* if PCMCIA, the card can be recognized as either TR_ISA or TR_ISAPNP * depending which card is inserted. */ #ifndef PCMCIA switch (cardpresent) { case TR_ISA: if (intr == 0) irq = 9; /* irq2 really is irq9 */ if (intr == 1) irq = 3; if (intr == 2) irq = 6; if (intr == 3) irq = 7; ti->adapter_int_enable = PIOaddr + ADAPTINTREL; break; case TR_MCA: if (intr == 0) irq = 9; if (intr == 1) irq = 3; if (intr == 2) irq = 10; if (intr == 3) irq = 11; ti->global_int_enable = 0; ti->adapter_int_enable = 0; ti->sram_phys=(__u32)(inb(PIOaddr+ADAPTRESETREL) & 0xfe) << 12; break; case TR_ISAPNP: if (!t_irq) { if (intr == 0) irq = 9; if (intr == 1) irq = 3; if (intr == 2) irq = 10; if (intr == 3) irq = 11; } else irq=t_irq; timeout = jiffies + TR_SPIN_INTERVAL; while (!readb(ti->mmio + ACA_OFFSET + ACA_RW + RRR_EVEN)){ if (!time_after(jiffies, timeout)) continue; DPRINTK( "Hardware timeout during initialization.\n"); iounmap(t_mmio); return -ENODEV; } ti->sram_phys = ((__u32)readb(ti->mmio+ACA_OFFSET+ACA_RW+RRR_EVEN)<<12); ti->adapter_int_enable = PIOaddr + ADAPTINTREL; break; } /*end switch (cardpresent) */ #endif /*not PCMCIA */ if (ibmtr_debug_trace & TRC_INIT) { /* just report int */ DPRINTK("irq=%d", irq); printk(", sram_phys=0x%x", ti->sram_phys); if(ibmtr_debug_trace&TRC_INITV){ /* full chat in verbose only */ DPRINTK(", ti->mmio=%p", ti->mmio); printk(", segment=%02X", segment); } printk(".\n"); } /* Get hw address of token ring card */ j = 0; for (i = 0; i < 0x18; i = i + 2) { /* technical reference states to do this */ temp = readb(ti->mmio + AIP + i) & 0x0f; ti->hw_address[j] = temp; if (j & 1) dev->dev_addr[(j / 2)] = ti->hw_address[j]+ (ti->hw_address[j - 1] << 4); ++j; } /* get Adapter type: 'F' = Adapter/A, 'E' = 16/4 Adapter II,... */ ti->adapter_type = readb(ti->mmio + AIPADAPTYPE); /* get Data Rate: F=4Mb, E=16Mb, D=4Mb & 16Mb ?? */ ti->data_rate = readb(ti->mmio + AIPDATARATE); /* Get Early Token Release support?: F=no, E=4Mb, D=16Mb, C=4&16Mb */ ti->token_release = readb(ti->mmio + AIPEARLYTOKEN); /* How much shared RAM is on adapter ? */ if (ti->turbo) { ti->avail_shared_ram=127; } else { ti->avail_shared_ram = get_sram_size(ti);/*in 512 byte units */ } /* We need to set or do a bunch of work here based on previous results*/ /* Support paging? What sizes?: F=no, E=16k, D=32k, C=16 & 32k */ ti->shared_ram_paging = readb(ti->mmio + AIPSHRAMPAGE); /* Available DHB 4Mb size: F=2048, E=4096, D=4464 */ switch (readb(ti->mmio + AIP4MBDHB)) { case 0xe: ti->dhb_size4mb = 4096; break; case 0xd: ti->dhb_size4mb = 4464; break; default: ti->dhb_size4mb = 2048; break; } /* Available DHB 16Mb size: F=2048, E=4096, D=8192, C=16384, B=17960 */ switch (readb(ti->mmio + AIP16MBDHB)) { case 0xe: ti->dhb_size16mb = 4096; break; case 0xd: ti->dhb_size16mb = 8192; break; case 0xc: ti->dhb_size16mb = 16384; break; case 0xb: ti->dhb_size16mb = 17960; break; default: ti->dhb_size16mb = 2048; break; } /* We must figure out how much shared memory space this adapter * will occupy so that if there are two adapters we can fit both * in. Given a choice, we will limit this adapter to 32K. The * maximum space will will use for two adapters is 64K so if the * adapter we are working on demands 64K (it also doesn't support * paging), then only one adapter can be supported. */ /* * determine how much of total RAM is mapped into PC space */ ti->mapped_ram_size= /*sixteen to onehundredtwentyeight 512byte blocks*/ 1<< ((readb(ti->mmio+ACA_OFFSET+ACA_RW+RRR_ODD) >> 2 & 0x03) + 4); ti->page_mask = 0; if (ti->turbo) ti->page_mask=0xf0; else if (ti->shared_ram_paging == 0xf); /* No paging in adapter */ else { #ifdef ENABLE_PAGING unsigned char pg_size = 0; /* BMS: page size: PCMCIA, use configuration register; ISAPNP, use LANAIDC config tool from www.ibm.com */ switch (ti->shared_ram_paging) { case 0xf: break; case 0xe: ti->page_mask = (ti->mapped_ram_size == 32) ? 0xc0 : 0; pg_size = 32; /* 16KB page size */ break; case 0xd: ti->page_mask = (ti->mapped_ram_size == 64) ? 0x80 : 0; pg_size = 64; /* 32KB page size */ break; case 0xc: switch (ti->mapped_ram_size) { case 32: ti->page_mask = 0xc0; pg_size = 32; break; case 64: ti->page_mask = 0x80; pg_size = 64; break; } break; default: DPRINTK("Unknown shared ram paging info %01X\n", ti->shared_ram_paging); iounmap(t_mmio); return -ENODEV; break; } /*end switch shared_ram_paging */ if (ibmtr_debug_trace & TRC_INIT) DPRINTK("Shared RAM paging code: %02X, " "mapped RAM size: %dK, shared RAM size: %dK, " "page mask: %02X\n:", ti->shared_ram_paging, ti->mapped_ram_size / 2, ti->avail_shared_ram / 2, ti->page_mask); #endif /*ENABLE_PAGING */ } #ifndef PCMCIA /* finish figuring the shared RAM address */ if (cardpresent == TR_ISA) { static __u32 ram_bndry_mask[] = { 0xffffe000, 0xffffc000, 0xffff8000, 0xffff0000 }; __u32 new_base, rrr_32, chk_base, rbm; rrr_32=readb(ti->mmio+ACA_OFFSET+ACA_RW+RRR_ODD) >> 2 & 0x03; rbm = ram_bndry_mask[rrr_32]; new_base = (ibmtr_mem_base + (~rbm)) & rbm;/* up to boundary */ chk_base = new_base + (ti->mapped_ram_size << 9); if (chk_base > (ibmtr_mem_base + IBMTR_SHARED_RAM_SIZE)) { DPRINTK("Shared RAM for this adapter (%05x) exceeds " "driver limit (%05x), adapter not started.\n", chk_base, ibmtr_mem_base + IBMTR_SHARED_RAM_SIZE); iounmap(t_mmio); return -ENODEV; } else { /* seems cool, record what we have figured out */ ti->sram_base = new_base >> 12; ibmtr_mem_base = chk_base; } } else ti->sram_base = ti->sram_phys >> 12; /* The PCMCIA has already got the interrupt line and the io port, so no chance of anybody else getting it - MLP */ if (request_irq(dev->irq = irq, &tok_interrupt, 0, "ibmtr", dev) != 0) { DPRINTK("Could not grab irq %d. Halting Token Ring driver.\n", irq); iounmap(t_mmio); return -ENODEV; } /*?? Now, allocate some of the PIO PORTs for this driver.. */ /* record PIOaddr range as busy */ if (!request_region(PIOaddr, IBMTR_IO_EXTENT, "ibmtr")) { DPRINTK("Could not grab PIO range. Halting driver.\n"); free_irq(dev->irq, dev); iounmap(t_mmio); return -EBUSY; } if (!version_printed++) { printk(version); } #endif /* !PCMCIA */ DPRINTK("%s %s found\n", channel_def[cardpresent - 1], adapter_def(ti->adapter_type)); DPRINTK("using irq %d, PIOaddr %hx, %dK shared RAM.\n", irq, PIOaddr, ti->mapped_ram_size / 2); DPRINTK("Hardware address : %02X:%02X:%02X:%02X:%02X:%02X\n", dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); if (ti->page_mask) DPRINTK("Shared RAM paging enabled. " "Page size: %uK Shared Ram size %dK\n", ((ti->page_mask^0xff)+1) >>2, ti->avail_shared_ram / 2); else DPRINTK("Shared RAM paging disabled. ti->page_mask %x\n", ti->page_mask); /* Calculate the maximum DHB we can use */ /* two cases where avail_shared_ram doesn't equal mapped_ram_size: 1. avail_shared_ram is 127 but mapped_ram_size is 128 (typical) 2. user has configured adapter for less than avail_shared_ram but is not using paging (she should use paging, I believe) */ if (!ti->page_mask) { ti->avail_shared_ram= min(ti->mapped_ram_size,ti->avail_shared_ram); } switch (ti->avail_shared_ram) { case 16: /* 8KB shared RAM */ ti->dhb_size4mb = min(ti->dhb_size4mb, (unsigned short)2048); ti->rbuf_len4 = 1032; ti->rbuf_cnt4=2; ti->dhb_size16mb = min(ti->dhb_size16mb, (unsigned short)2048); ti->rbuf_len16 = 1032; ti->rbuf_cnt16=2; break; case 32: /* 16KB shared RAM */ ti->dhb_size4mb = min(ti->dhb_size4mb, (unsigned short)4464); ti->rbuf_len4 = 1032; ti->rbuf_cnt4=4; ti->dhb_size16mb = min(ti->dhb_size16mb, (unsigned short)4096); ti->rbuf_len16 = 1032; /*1024 usable */ ti->rbuf_cnt16=4; break; case 64: /* 32KB shared RAM */ ti->dhb_size4mb = min(ti->dhb_size4mb, (unsigned short)4464); ti->rbuf_len4 = 1032; ti->rbuf_cnt4=6; ti->dhb_size16mb = min(ti->dhb_size16mb, (unsigned short)10240); ti->rbuf_len16 = 1032; ti->rbuf_cnt16=6; break; case 127: /* 63.5KB shared RAM */ ti->dhb_size4mb = min(ti->dhb_size4mb, (unsigned short)4464); ti->rbuf_len4 = 1032; ti->rbuf_cnt4=6; ti->dhb_size16mb = min(ti->dhb_size16mb, (unsigned short)16384); ti->rbuf_len16 = 1032; ti->rbuf_cnt16=16; break; case 128: /* 64KB shared RAM */ ti->dhb_size4mb = min(ti->dhb_size4mb, (unsigned short)4464); ti->rbuf_len4 = 1032; ti->rbuf_cnt4=6; ti->dhb_size16mb = min(ti->dhb_size16mb, (unsigned short)17960); ti->rbuf_len16 = 1032; ti->rbuf_cnt16=16; break; default: ti->dhb_size4mb = 2048; ti->rbuf_len4 = 1032; ti->rbuf_cnt4=2; ti->dhb_size16mb = 2048; ti->rbuf_len16 = 1032; ti->rbuf_cnt16=2; break; } /* this formula is not smart enough for the paging case ti->rbuf_cnt<x> = (ti->avail_shared_ram * BLOCKSZ - ADAPT_PRIVATE - ARBLENGTH - SSBLENGTH - DLC_MAX_SAP * SAPLENGTH - DLC_MAX_STA * STALENGTH - ti->dhb_size<x>mb * NUM_DHB - SRBLENGTH - ASBLENGTH) / ti->rbuf_len<x>; */ ti->maxmtu16 = (ti->rbuf_len16 - 8) * ti->rbuf_cnt16 - TR_HLEN; ti->maxmtu4 = (ti->rbuf_len4 - 8) * ti->rbuf_cnt4 - TR_HLEN; /*BMS assuming 18 bytes of Routing Information (usually works) */ DPRINTK("Maximum Receive Internet Protocol MTU 16Mbps: %d, 4Mbps: %d\n", ti->maxmtu16, ti->maxmtu4); dev->base_addr = PIOaddr; /* set the value for device */ dev->mem_start = ti->sram_base << 12; dev->mem_end = dev->mem_start + (ti->mapped_ram_size << 9) - 1; trdev_init(dev); return 0; /* Return 0 to indicate we have found a Token Ring card. */ } /*ibmtr_probe1() */ /*****************************************************************************/ /* query the adapter for the size of shared RAM */ /* the function returns the RAM size in units of 512 bytes */ static unsigned char __devinit get_sram_size(struct tok_info *adapt_info) { unsigned char avail_sram_code; static unsigned char size_code[] = { 0, 16, 32, 64, 127, 128 }; /* Adapter gives 'F' -- use RRR bits 3,2 'E' -- 8kb 'D' -- 16kb 'C' -- 32kb 'A' -- 64KB 'B' - 64KB less 512 bytes at top (WARNING ... must zero top bytes in INIT */ avail_sram_code = 0xf - readb(adapt_info->mmio + AIPAVAILSHRAM); if (avail_sram_code) return size_code[avail_sram_code]; else /* for code 'F', must compute size from RRR(3,2) bits */ return 1 << ((readb(adapt_info->mmio+ACA_OFFSET+ACA_RW+RRR_ODD)>>2&3)+4); } /*****************************************************************************/ static int __devinit trdev_init(struct net_device *dev) { struct tok_info *ti = (struct tok_info *) dev->priv; SET_PAGE(ti->srb_page); ti->open_failure = NO ; dev->open = tok_open; dev->stop = tok_close; dev->hard_start_xmit = tok_send_packet; dev->get_stats = tok_get_stats; dev->set_multicast_list = tok_set_multicast_list; dev->change_mtu = ibmtr_change_mtu; return 0; } /*****************************************************************************/ static int tok_init_card(struct net_device *dev) { struct tok_info *ti; short PIOaddr; unsigned long i; PIOaddr = dev->base_addr; ti = (struct tok_info *) dev->priv; /* Special processing for first interrupt after reset */ ti->do_tok_int = FIRST_INT; /* Reset adapter */ writeb(~INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_RESET + ISRP_EVEN); outb(0, PIOaddr + ADAPTRESET); schedule_timeout_uninterruptible(TR_RST_TIME); /* wait 50ms */ outb(0, PIOaddr + ADAPTRESETREL); #ifdef ENABLE_PAGING if (ti->page_mask) writeb(SRPR_ENABLE_PAGING,ti->mmio+ACA_OFFSET+ACA_RW+SRPR_EVEN); #endif writeb(INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_SET + ISRP_EVEN); i = sleep_on_timeout(&ti->wait_for_reset, 4 * HZ); return i? 0 : -EAGAIN; } /*****************************************************************************/ static int tok_open(struct net_device *dev) { struct tok_info *ti = (struct tok_info *) dev->priv; int i; /*the case we were left in a failure state during a previous open */ if (ti->open_failure == YES) { DPRINTK("Last time you were disconnected, how about now?\n"); printk("You can't insert with an ICS connector half-cocked.\n"); } ti->open_status = CLOSED; /* CLOSED or OPEN */ ti->sap_status = CLOSED; /* CLOSED or OPEN */ ti->open_failure = NO; /* NO or YES */ ti->open_mode = MANUAL; /* MANUAL or AUTOMATIC */ ti->sram_phys &= ~1; /* to reverse what we do in tok_close */ /* init the spinlock */ spin_lock_init(&ti->lock); init_timer(&ti->tr_timer); i = tok_init_card(dev); if (i) return i; while (1){ tok_open_adapter((unsigned long) dev); i= interruptible_sleep_on_timeout(&ti->wait_for_reset, 25 * HZ); /* sig catch: estimate opening adapter takes more than .5 sec*/ if (i>(245*HZ)/10) break; /* fancier than if (i==25*HZ) */ if (i==0) break; if (ti->open_status == OPEN && ti->sap_status==OPEN) { netif_start_queue(dev); DPRINTK("Adapter is up and running\n"); return 0; } i=schedule_timeout_interruptible(TR_RETRY_INTERVAL); /* wait 30 seconds */ if(i!=0) break; /*prob. a signal, like the i>24*HZ case above */ } outb(0, dev->base_addr + ADAPTRESET);/* kill pending interrupts*/ DPRINTK("TERMINATED via signal\n"); /*BMS useful */ return -EAGAIN; } /*****************************************************************************/ #define COMMAND_OFST 0 #define OPEN_OPTIONS_OFST 8 #define NUM_RCV_BUF_OFST 24 #define RCV_BUF_LEN_OFST 26 #define DHB_LENGTH_OFST 28 #define NUM_DHB_OFST 30 #define DLC_MAX_SAP_OFST 32 #define DLC_MAX_STA_OFST 33 static void tok_open_adapter(unsigned long dev_addr) { struct net_device *dev = (struct net_device *) dev_addr; struct tok_info *ti; int i; ti = (struct tok_info *) dev->priv; SET_PAGE(ti->init_srb_page); writeb(~SRB_RESP_INT, ti->mmio + ACA_OFFSET + ACA_RESET + ISRP_ODD); for (i = 0; i < sizeof(struct dir_open_adapter); i++) writeb(0, ti->init_srb + i); writeb(DIR_OPEN_ADAPTER, ti->init_srb + COMMAND_OFST); writew(htons(OPEN_PASS_BCON_MAC), ti->init_srb + OPEN_OPTIONS_OFST); if (ti->ring_speed == 16) { writew(htons(ti->dhb_size16mb), ti->init_srb + DHB_LENGTH_OFST); writew(htons(ti->rbuf_cnt16), ti->init_srb + NUM_RCV_BUF_OFST); writew(htons(ti->rbuf_len16), ti->init_srb + RCV_BUF_LEN_OFST); } else { writew(htons(ti->dhb_size4mb), ti->init_srb + DHB_LENGTH_OFST); writew(htons(ti->rbuf_cnt4), ti->init_srb + NUM_RCV_BUF_OFST); writew(htons(ti->rbuf_len4), ti->init_srb + RCV_BUF_LEN_OFST); } writeb(NUM_DHB, /* always 2 */ ti->init_srb + NUM_DHB_OFST); writeb(DLC_MAX_SAP, ti->init_srb + DLC_MAX_SAP_OFST); writeb(DLC_MAX_STA, ti->init_srb + DLC_MAX_STA_OFST); ti->srb = ti->init_srb; /* We use this one in the interrupt handler */ ti->srb_page = ti->init_srb_page; DPRINTK("Opening adapter: Xmit bfrs: %d X %d, Rcv bfrs: %d X %d\n", readb(ti->init_srb + NUM_DHB_OFST), ntohs(readw(ti->init_srb + DHB_LENGTH_OFST)), ntohs(readw(ti->init_srb + NUM_RCV_BUF_OFST)), ntohs(readw(ti->init_srb + RCV_BUF_LEN_OFST))); writeb(INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_SET + ISRP_EVEN); writeb(CMD_IN_SRB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); } /*****************************************************************************/ static void open_sap(unsigned char type, struct net_device *dev) { int i; struct tok_info *ti = (struct tok_info *) dev->priv; SET_PAGE(ti->srb_page); for (i = 0; i < sizeof(struct dlc_open_sap); i++) writeb(0, ti->srb + i); #define MAX_I_FIELD_OFST 14 #define SAP_VALUE_OFST 16 #define SAP_OPTIONS_OFST 17 #define STATION_COUNT_OFST 18 writeb(DLC_OPEN_SAP, ti->srb + COMMAND_OFST); writew(htons(MAX_I_FIELD), ti->srb + MAX_I_FIELD_OFST); writeb(SAP_OPEN_IND_SAP | SAP_OPEN_PRIORITY, ti->srb+ SAP_OPTIONS_OFST); writeb(SAP_OPEN_STATION_CNT, ti->srb + STATION_COUNT_OFST); writeb(type, ti->srb + SAP_VALUE_OFST); writeb(CMD_IN_SRB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); } /*****************************************************************************/ static void tok_set_multicast_list(struct net_device *dev) { struct tok_info *ti = (struct tok_info *) dev->priv; struct dev_mc_list *mclist; unsigned char address[4]; int i; /*BMS the next line is CRUCIAL or you may be sad when you */ /*BMS ifconfig tr down or hot unplug a PCMCIA card ??hownowbrowncow*/ if (/*BMSHELPdev->start == 0 ||*/ ti->open_status != OPEN) return; address[0] = address[1] = address[2] = address[3] = 0; mclist = dev->mc_list; for (i = 0; i < dev->mc_count; i++) { address[0] |= mclist->dmi_addr[2]; address[1] |= mclist->dmi_addr[3]; address[2] |= mclist->dmi_addr[4]; address[3] |= mclist->dmi_addr[5]; mclist = mclist->next; } SET_PAGE(ti->srb_page); for (i = 0; i < sizeof(struct srb_set_funct_addr); i++) writeb(0, ti->srb + i); #define FUNCT_ADDRESS_OFST 6 writeb(DIR_SET_FUNC_ADDR, ti->srb + COMMAND_OFST); for (i = 0; i < 4; i++) writeb(address[i], ti->srb + FUNCT_ADDRESS_OFST + i); writeb(CMD_IN_SRB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); #if TR_VERBOSE DPRINTK("Setting functional address: "); for (i=0;i<4;i++) printk("%02X ", address[i]); printk("\n"); #endif } /*****************************************************************************/ #define STATION_ID_OFST 4 static int tok_send_packet(struct sk_buff *skb, struct net_device *dev) { struct tok_info *ti; unsigned long flags; ti = (struct tok_info *) dev->priv; netif_stop_queue(dev); /* lock against other CPUs */ spin_lock_irqsave(&(ti->lock), flags); /* Save skb; we'll need it when the adapter asks for the data */ ti->current_skb = skb; SET_PAGE(ti->srb_page); writeb(XMIT_UI_FRAME, ti->srb + COMMAND_OFST); writew(ti->exsap_station_id, ti->srb + STATION_ID_OFST); writeb(CMD_IN_SRB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); spin_unlock_irqrestore(&(ti->lock), flags); dev->trans_start = jiffies; return 0; } /*****************************************************************************/ static int tok_close(struct net_device *dev) { struct tok_info *ti = (struct tok_info *) dev->priv; /* Important for PCMCIA hot unplug, otherwise, we'll pull the card, */ /* unloading the module from memory, and then if a timer pops, ouch */ del_timer_sync(&ti->tr_timer); outb(0, dev->base_addr + ADAPTRESET); ti->sram_phys |= 1; ti->open_status = CLOSED; netif_stop_queue(dev); DPRINTK("Adapter is closed.\n"); return 0; } /*****************************************************************************/ #define RETCODE_OFST 2 #define OPEN_ERROR_CODE_OFST 6 #define ASB_ADDRESS_OFST 8 #define SRB_ADDRESS_OFST 10 #define ARB_ADDRESS_OFST 12 #define SSB_ADDRESS_OFST 14 static char *printphase[]= {"Lobe media test","Physical insertion", "Address verification","Roll call poll","Request Parameters"}; static char *printerror[]={"Function failure","Signal loss","Reserved", "Frequency error","Timeout","Ring failure","Ring beaconing", "Duplicate node address", "Parameter request-retry count exceeded","Remove received", "IMPL force received","Duplicate modifier", "No monitor detected","Monitor contention failed for RPL"}; static void __iomem *map_address(struct tok_info *ti, unsigned index, __u8 *page) { if (ti->page_mask) { *page = (index >> 8) & ti->page_mask; index &= ~(ti->page_mask << 8); } return ti->sram_virt + index; } static void dir_open_adapter (struct net_device *dev) { struct tok_info *ti = (struct tok_info *) dev->priv; unsigned char ret_code; __u16 err; ti->srb = map_address(ti, ntohs(readw(ti->init_srb + SRB_ADDRESS_OFST)), &ti->srb_page); ti->ssb = map_address(ti, ntohs(readw(ti->init_srb + SSB_ADDRESS_OFST)), &ti->ssb_page); ti->arb = map_address(ti, ntohs(readw(ti->init_srb + ARB_ADDRESS_OFST)), &ti->arb_page); ti->asb = map_address(ti, ntohs(readw(ti->init_srb + ASB_ADDRESS_OFST)), &ti->asb_page); ti->current_skb = NULL; ret_code = readb(ti->init_srb + RETCODE_OFST); err = ntohs(readw(ti->init_srb + OPEN_ERROR_CODE_OFST)); if (!ret_code) { ti->open_status = OPEN; /* TR adapter is now available */ if (ti->open_mode == AUTOMATIC) { DPRINTK("Adapter reopened.\n"); } writeb(~SRB_RESP_INT, ti->mmio+ACA_OFFSET+ACA_RESET+ISRP_ODD); open_sap(EXTENDED_SAP, dev); return; } ti->open_failure = YES; if (ret_code == 7){ if (err == 0x24) { if (!ti->auto_speedsave) { DPRINTK("Open failed: Adapter speed must match " "ring speed if Automatic Ring Speed Save is " "disabled.\n"); ti->open_action = FAIL; }else DPRINTK("Retrying open to adjust to " "ring speed, "); } else if (err == 0x2d) { DPRINTK("Physical Insertion: No Monitor Detected, "); printk("retrying after %ds delay...\n", TR_RETRY_INTERVAL/HZ); } else if (err == 0x11) { DPRINTK("Lobe Media Function Failure (0x11), "); printk(" retrying after %ds delay...\n", TR_RETRY_INTERVAL/HZ); } else { char **prphase = printphase; char **prerror = printerror; DPRINTK("TR Adapter misc open failure, error code = "); printk("0x%x, Phase: %s, Error: %s\n", err, prphase[err/16 -1], prerror[err%16 -1]); printk(" retrying after %ds delay...\n", TR_RETRY_INTERVAL/HZ); } } else DPRINTK("open failed: ret_code = %02X..., ", ret_code); if (ti->open_action != FAIL) { if (ti->open_mode==AUTOMATIC){ ti->open_action = REOPEN; ibmtr_reset_timer(&(ti->tr_timer), dev); return; } wake_up(&ti->wait_for_reset); return; } DPRINTK("FAILURE, CAPUT\n"); } /******************************************************************************/ static irqreturn_t tok_interrupt(int irq, void *dev_id) { unsigned char status; /* unsigned char status_even ; */ struct tok_info *ti; struct net_device *dev; #ifdef ENABLE_PAGING unsigned char save_srpr; #endif dev = dev_id; #if TR_VERBOSE DPRINTK("Int from tok_driver, dev : %p irq%d\n", dev,irq); #endif ti = (struct tok_info *) dev->priv; if (ti->sram_phys & 1) return IRQ_NONE; /* PCMCIA card extraction flag */ spin_lock(&(ti->lock)); #ifdef ENABLE_PAGING save_srpr = readb(ti->mmio + ACA_OFFSET + ACA_RW + SRPR_EVEN); #endif /* Disable interrupts till processing is finished */ writeb((~INT_ENABLE), ti->mmio + ACA_OFFSET + ACA_RESET + ISRP_EVEN); /* Reset interrupt for ISA boards */ if (ti->adapter_int_enable) outb(0, ti->adapter_int_enable); else /* used for PCMCIA cards */ outb(0, ti->global_int_enable); if (ti->do_tok_int == FIRST_INT){ initial_tok_int(dev); #ifdef ENABLE_PAGING writeb(save_srpr, ti->mmio + ACA_OFFSET + ACA_RW + SRPR_EVEN); #endif spin_unlock(&(ti->lock)); return IRQ_HANDLED; } /* Begin interrupt handler HERE inline to avoid the extra levels of logic and call depth for the original solution. */ status = readb(ti->mmio + ACA_OFFSET + ACA_RW + ISRP_ODD); /*BMSstatus_even = readb (ti->mmio + ACA_OFFSET + ACA_RW + ISRP_EVEN) */ /*BMSdebugprintk("tok_interrupt: ISRP_ODD = 0x%x ISRP_EVEN = 0x%x\n", */ /*BMS status,status_even); */ if (status & ADAP_CHK_INT) { int i; void __iomem *check_reason; __u8 check_reason_page = 0; check_reason = map_address(ti, ntohs(readw(ti->mmio+ ACA_OFFSET+ACA_RW + WWCR_EVEN)), &check_reason_page); SET_PAGE(check_reason_page); DPRINTK("Adapter check interrupt\n"); DPRINTK("8 reason bytes follow: "); for (i = 0; i < 8; i++, check_reason++) printk("%02X ", (int) readb(check_reason)); printk("\n"); writeb(~ADAP_CHK_INT, ti->mmio+ ACA_OFFSET+ACA_RESET+ ISRP_ODD); status = readb(ti->mmio + ACA_OFFSET + ACA_RW + ISRA_EVEN); DPRINTK("ISRA_EVEN == 0x02%x\n",status); ti->open_status = CLOSED; ti->sap_status = CLOSED; ti->open_mode = AUTOMATIC; netif_carrier_off(dev); netif_stop_queue(dev); ti->open_action = RESTART; outb(0, dev->base_addr + ADAPTRESET); ibmtr_reset_timer(&(ti->tr_timer), dev);/*BMS try to reopen*/ spin_unlock(&(ti->lock)); return IRQ_HANDLED; } if (readb(ti->mmio + ACA_OFFSET + ACA_RW + ISRP_EVEN) & (TCR_INT | ERR_INT | ACCESS_INT)) { DPRINTK("adapter error: ISRP_EVEN : %02x\n", (int)readb(ti->mmio+ ACA_OFFSET + ACA_RW + ISRP_EVEN)); writeb(~(TCR_INT | ERR_INT | ACCESS_INT), ti->mmio + ACA_OFFSET + ACA_RESET + ISRP_EVEN); status= readb(ti->mmio+ ACA_OFFSET + ACA_RW + ISRA_EVEN);/*BMS*/ DPRINTK("ISRA_EVEN == 0x02%x\n",status);/*BMS*/ writeb(INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_SET + ISRP_EVEN); #ifdef ENABLE_PAGING writeb(save_srpr, ti->mmio + ACA_OFFSET + ACA_RW + SRPR_EVEN); #endif spin_unlock(&(ti->lock)); return IRQ_HANDLED; } if (status & SRB_RESP_INT) { /* SRB response */ SET_PAGE(ti->srb_page); #if TR_VERBOSE DPRINTK("SRB resp: cmd=%02X rsp=%02X\n", readb(ti->srb), readb(ti->srb + RETCODE_OFST)); #endif switch (readb(ti->srb)) { /* SRB command check */ case XMIT_DIR_FRAME:{ unsigned char xmit_ret_code; xmit_ret_code = readb(ti->srb + RETCODE_OFST); if (xmit_ret_code == 0xff) break; DPRINTK("error on xmit_dir_frame request: %02X\n", xmit_ret_code); if (ti->current_skb) { dev_kfree_skb_irq(ti->current_skb); ti->current_skb = NULL; } /*dev->tbusy = 0;*/ netif_wake_queue(dev); if (ti->readlog_pending) ibmtr_readlog(dev); break; } case XMIT_UI_FRAME:{ unsigned char xmit_ret_code; xmit_ret_code = readb(ti->srb + RETCODE_OFST); if (xmit_ret_code == 0xff) break; DPRINTK("error on xmit_ui_frame request: %02X\n", xmit_ret_code); if (ti->current_skb) { dev_kfree_skb_irq(ti->current_skb); ti->current_skb = NULL; } netif_wake_queue(dev); if (ti->readlog_pending) ibmtr_readlog(dev); break; } case DIR_OPEN_ADAPTER: dir_open_adapter(dev); break; case DLC_OPEN_SAP: if (readb(ti->srb + RETCODE_OFST)) { DPRINTK("open_sap failed: ret_code = %02X, " "retrying\n", (int) readb(ti->srb + RETCODE_OFST)); ti->open_action = REOPEN; ibmtr_reset_timer(&(ti->tr_timer), dev); break; } ti->exsap_station_id = readw(ti->srb + STATION_ID_OFST); ti->sap_status = OPEN;/* TR adapter is now available */ if (ti->open_mode==MANUAL){ wake_up(&ti->wait_for_reset); break; } netif_wake_queue(dev); netif_carrier_on(dev); break; case DIR_INTERRUPT: case DIR_MOD_OPEN_PARAMS: case DIR_SET_GRP_ADDR: case DIR_SET_FUNC_ADDR: case DLC_CLOSE_SAP: if (readb(ti->srb + RETCODE_OFST)) DPRINTK("error on %02X: %02X\n", (int) readb(ti->srb + COMMAND_OFST), (int) readb(ti->srb + RETCODE_OFST)); break; case DIR_READ_LOG: if (readb(ti->srb + RETCODE_OFST)){ DPRINTK("error on dir_read_log: %02X\n", (int) readb(ti->srb + RETCODE_OFST)); netif_wake_queue(dev); break; } #if IBMTR_DEBUG_MESSAGES #define LINE_ERRORS_OFST 0 #define INTERNAL_ERRORS_OFST 1 #define BURST_ERRORS_OFST 2 #define AC_ERRORS_OFST 3 #define ABORT_DELIMITERS_OFST 4 #define LOST_FRAMES_OFST 6 #define RECV_CONGEST_COUNT_OFST 7 #define FRAME_COPIED_ERRORS_OFST 8 #define FREQUENCY_ERRORS_OFST 9 #define TOKEN_ERRORS_OFST 10 DPRINTK("Line errors %02X, Internal errors %02X, " "Burst errors %02X\n" "A/C errors %02X, " "Abort delimiters %02X, Lost frames %02X\n" "Receive congestion count %02X, " "Frame copied errors %02X\nFrequency errors %02X, " "Token errors %02X\n", (int) readb(ti->srb + LINE_ERRORS_OFST), (int) readb(ti->srb + INTERNAL_ERRORS_OFST), (int) readb(ti->srb + BURST_ERRORS_OFST), (int) readb(ti->srb + AC_ERRORS_OFST), (int) readb(ti->srb + ABORT_DELIMITERS_OFST), (int) readb(ti->srb + LOST_FRAMES_OFST), (int) readb(ti->srb + RECV_CONGEST_COUNT_OFST), (int) readb(ti->srb + FRAME_COPIED_ERRORS_OFST), (int) readb(ti->srb + FREQUENCY_ERRORS_OFST), (int) readb(ti->srb + TOKEN_ERRORS_OFST)); #endif netif_wake_queue(dev); break; default: DPRINTK("Unknown command %02X encountered\n", (int) readb(ti->srb)); } /* end switch SRB command check */ writeb(~SRB_RESP_INT, ti->mmio+ ACA_OFFSET+ACA_RESET+ ISRP_ODD); } /* if SRB response */ if (status & ASB_FREE_INT) { /* ASB response */ SET_PAGE(ti->asb_page); #if TR_VERBOSE DPRINTK("ASB resp: cmd=%02X\n", readb(ti->asb)); #endif switch (readb(ti->asb)) { /* ASB command check */ case REC_DATA: case XMIT_UI_FRAME: case XMIT_DIR_FRAME: break; default: DPRINTK("unknown command in asb %02X\n", (int) readb(ti->asb)); } /* switch ASB command check */ if (readb(ti->asb + 2) != 0xff) /* checks ret_code */ DPRINTK("ASB error %02X in cmd %02X\n", (int) readb(ti->asb + 2), (int) readb(ti->asb)); writeb(~ASB_FREE_INT, ti->mmio+ ACA_OFFSET+ACA_RESET+ ISRP_ODD); } /* if ASB response */ #define STATUS_OFST 6 #define NETW_STATUS_OFST 6 if (status & ARB_CMD_INT) { /* ARB response */ SET_PAGE(ti->arb_page); #if TR_VERBOSE DPRINTK("ARB resp: cmd=%02X\n", readb(ti->arb)); #endif switch (readb(ti->arb)) { /* ARB command check */ case DLC_STATUS: DPRINTK("DLC_STATUS new status: %02X on station %02X\n", ntohs(readw(ti->arb + STATUS_OFST)), ntohs(readw(ti->arb+ STATION_ID_OFST))); break; case REC_DATA: tr_rx(dev); break; case RING_STAT_CHANGE:{ unsigned short ring_status; ring_status= ntohs(readw(ti->arb + NETW_STATUS_OFST)); if (ibmtr_debug_trace & TRC_INIT) DPRINTK("Ring Status Change...(0x%x)\n", ring_status); if(ring_status& (REMOVE_RECV|AUTO_REMOVAL|LOBE_FAULT)){ netif_stop_queue(dev); netif_carrier_off(dev); DPRINTK("Remove received, or Auto-removal error" ", or Lobe fault\n"); DPRINTK("We'll try to reopen the closed adapter" " after a %d second delay.\n", TR_RETRY_INTERVAL/HZ); /*I was confused: I saw the TR reopening but */ /*forgot:with an RJ45 in an RJ45/ICS adapter */ /*but adapter not in the ring, the TR will */ /* open, and then soon close and come here. */ ti->open_mode = AUTOMATIC; ti->open_status = CLOSED; /*12/2000 BMS*/ ti->open_action = REOPEN; ibmtr_reset_timer(&(ti->tr_timer), dev); } else if (ring_status & LOG_OVERFLOW) { if(netif_queue_stopped(dev)) ti->readlog_pending = 1; else ibmtr_readlog(dev); } break; } case XMIT_DATA_REQ: tr_tx(dev); break; default: DPRINTK("Unknown command %02X in arb\n", (int) readb(ti->arb)); break; } /* switch ARB command check */ writeb(~ARB_CMD_INT, ti->mmio+ ACA_OFFSET+ACA_RESET + ISRP_ODD); writeb(ARB_FREE, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); } /* if ARB response */ if (status & SSB_RESP_INT) { /* SSB response */ unsigned char retcode; SET_PAGE(ti->ssb_page); #if TR_VERBOSE DPRINTK("SSB resp: cmd=%02X rsp=%02X\n", readb(ti->ssb), readb(ti->ssb + 2)); #endif switch (readb(ti->ssb)) { /* SSB command check */ case XMIT_DIR_FRAME: case XMIT_UI_FRAME: retcode = readb(ti->ssb + 2); if (retcode && (retcode != 0x22))/* checks ret_code */ DPRINTK("xmit ret_code: %02X xmit error code: " "%02X\n", (int)retcode, (int)readb(ti->ssb + 6)); else ti->tr_stats.tx_packets++; break; case XMIT_XID_CMD: DPRINTK("xmit xid ret_code: %02X\n", (int) readb(ti->ssb + 2)); default: DPRINTK("Unknown command %02X in ssb\n", (int) readb(ti->ssb)); } /* SSB command check */ writeb(~SSB_RESP_INT, ti->mmio+ ACA_OFFSET+ACA_RESET+ ISRP_ODD); writeb(SSB_FREE, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); } /* if SSB response */ #ifdef ENABLE_PAGING writeb(save_srpr, ti->mmio + ACA_OFFSET + ACA_RW + SRPR_EVEN); #endif writeb(INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_SET + ISRP_EVEN); spin_unlock(&(ti->lock)); return IRQ_HANDLED; } /*tok_interrupt */ /*****************************************************************************/ #define INIT_STATUS_OFST 1 #define INIT_STATUS_2_OFST 2 #define ENCODED_ADDRESS_OFST 8 static void initial_tok_int(struct net_device *dev) { __u32 encoded_addr, hw_encoded_addr; struct tok_info *ti; unsigned char init_status; /*BMS 12/2000*/ ti = (struct tok_info *) dev->priv; ti->do_tok_int = NOT_FIRST; /* we assign the shared-ram address for ISA devices */ writeb(ti->sram_base, ti->mmio + ACA_OFFSET + ACA_RW + RRR_EVEN); #ifndef PCMCIA ti->sram_virt = ioremap(((__u32)ti->sram_base << 12), ti->avail_shared_ram); #endif ti->init_srb = map_address(ti, ntohs(readw(ti->mmio + ACA_OFFSET + WRBR_EVEN)), &ti->init_srb_page); if (ti->page_mask && ti->avail_shared_ram == 127) { void __iomem *last_512; __u8 last_512_page=0; int i; last_512 = map_address(ti, 0xfe00, &last_512_page); /* initialize high section of ram (if necessary) */ SET_PAGE(last_512_page); for (i = 0; i < 512; i++) writeb(0, last_512 + i); } SET_PAGE(ti->init_srb_page); #if TR_VERBOSE { int i; DPRINTK("ti->init_srb_page=0x%x\n", ti->init_srb_page); DPRINTK("init_srb(%p):", ti->init_srb ); for (i = 0; i < 20; i++) printk("%02X ", (int) readb(ti->init_srb + i)); printk("\n"); } #endif hw_encoded_addr = readw(ti->init_srb + ENCODED_ADDRESS_OFST); encoded_addr = ntohs(hw_encoded_addr); init_status= /*BMS 12/2000 check for shallow mode possibility (Turbo)*/ readb(ti->init_srb+offsetof(struct srb_init_response,init_status)); /*printk("Initial interrupt: init_status= 0x%02x\n",init_status);*/ ti->ring_speed = init_status & 0x01 ? 16 : 4; DPRINTK("Initial interrupt : %d Mbps, shared RAM base %08x.\n", ti->ring_speed, (unsigned int)dev->mem_start); ti->auto_speedsave=readb(ti->init_srb+INIT_STATUS_2_OFST)&4?TRUE:FALSE; if (ti->open_mode == MANUAL) wake_up(&ti->wait_for_reset); else tok_open_adapter((unsigned long)dev); } /*initial_tok_int() */ /*****************************************************************************/ #define CMD_CORRELATE_OFST 1 #define DHB_ADDRESS_OFST 6 #define FRAME_LENGTH_OFST 6 #define HEADER_LENGTH_OFST 8 #define RSAP_VALUE_OFST 9 static void tr_tx(struct net_device *dev) { struct tok_info *ti = (struct tok_info *) dev->priv; struct trh_hdr *trhdr = (struct trh_hdr *) ti->current_skb->data; unsigned int hdr_len; __u32 dhb=0,dhb_base; void __iomem *dhbuf = NULL; unsigned char xmit_command; int i,dhb_len=0x4000,src_len,src_offset; struct trllc *llc; struct srb_xmit xsrb; __u8 dhb_page = 0; __u8 llc_ssap; SET_PAGE(ti->asb_page); if (readb(ti->asb+RETCODE_OFST) != 0xFF) DPRINTK("ASB not free !!!\n"); /* in providing the transmit interrupts, is telling us it is ready for data and providing a shared memory address for us to stuff with data. Here we compute the effective address where we will place data. */ SET_PAGE(ti->arb_page); dhb=dhb_base=ntohs(readw(ti->arb + DHB_ADDRESS_OFST)); if (ti->page_mask) { dhb_page = (dhb_base >> 8) & ti->page_mask; dhb=dhb_base & ~(ti->page_mask << 8); } dhbuf = ti->sram_virt + dhb; /* Figure out the size of the 802.5 header */ if (!(trhdr->saddr[0] & 0x80)) /* RIF present? */ hdr_len = sizeof(struct trh_hdr) - TR_MAXRIFLEN; else hdr_len = ((ntohs(trhdr->rcf) & TR_RCF_LEN_MASK) >> 8) + sizeof(struct trh_hdr) - TR_MAXRIFLEN; llc = (struct trllc *) (ti->current_skb->data + hdr_len); llc_ssap = llc->ssap; SET_PAGE(ti->srb_page); memcpy_fromio(&xsrb, ti->srb, sizeof(xsrb)); SET_PAGE(ti->asb_page); xmit_command = xsrb.command; writeb(xmit_command, ti->asb + COMMAND_OFST); writew(xsrb.station_id, ti->asb + STATION_ID_OFST); writeb(llc_ssap, ti->asb + RSAP_VALUE_OFST); writeb(xsrb.cmd_corr, ti->asb + CMD_CORRELATE_OFST); writeb(0, ti->asb + RETCODE_OFST); if ((xmit_command == XMIT_XID_CMD) || (xmit_command == XMIT_TEST_CMD)) { writew(htons(0x11), ti->asb + FRAME_LENGTH_OFST); writeb(0x0e, ti->asb + HEADER_LENGTH_OFST); SET_PAGE(dhb_page); writeb(AC, dhbuf); writeb(LLC_FRAME, dhbuf + 1); for (i = 0; i < TR_ALEN; i++) writeb((int) 0x0FF, dhbuf + i + 2); for (i = 0; i < TR_ALEN; i++) writeb(0, dhbuf + i + TR_ALEN + 2); writeb(RESP_IN_ASB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); return; } /* * the token ring packet is copied from sk_buff to the adapter * buffer identified in the command data received with the interrupt. */ writeb(hdr_len, ti->asb + HEADER_LENGTH_OFST); writew(htons(ti->current_skb->len), ti->asb + FRAME_LENGTH_OFST); src_len=ti->current_skb->len; src_offset=0; dhb=dhb_base; while(1) { if (ti->page_mask) { dhb_page=(dhb >> 8) & ti->page_mask; dhb=dhb & ~(ti->page_mask << 8); dhb_len=0x4000-dhb; /* remaining size of this page */ } dhbuf = ti->sram_virt + dhb; SET_PAGE(dhb_page); if (src_len > dhb_len) { memcpy_toio(dhbuf,&ti->current_skb->data[src_offset], dhb_len); src_len -= dhb_len; src_offset += dhb_len; dhb_base+=dhb_len; dhb=dhb_base; continue; } memcpy_toio(dhbuf, &ti->current_skb->data[src_offset], src_len); break; } writeb(RESP_IN_ASB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); ti->tr_stats.tx_bytes += ti->current_skb->len; dev_kfree_skb_irq(ti->current_skb); ti->current_skb = NULL; netif_wake_queue(dev); if (ti->readlog_pending) ibmtr_readlog(dev); } /*tr_tx */ /*****************************************************************************/ #define RECEIVE_BUFFER_OFST 6 #define LAN_HDR_LENGTH_OFST 8 #define DLC_HDR_LENGTH_OFST 9 #define DSAP_OFST 0 #define SSAP_OFST 1 #define LLC_OFST 2 #define PROTID_OFST 3 #define ETHERTYPE_OFST 6 static void tr_rx(struct net_device *dev) { struct tok_info *ti = (struct tok_info *) dev->priv; __u32 rbuffer; void __iomem *rbuf, *rbufdata, *llc; __u8 rbuffer_page = 0; unsigned char *data; unsigned int rbuffer_len, lan_hdr_len, hdr_len, ip_len, length; unsigned char dlc_hdr_len; struct sk_buff *skb; unsigned int skb_size = 0; int IPv4_p = 0; unsigned int chksum = 0; struct iphdr *iph; struct arb_rec_req rarb; SET_PAGE(ti->arb_page); memcpy_fromio(&rarb, ti->arb, sizeof(rarb)); rbuffer = ntohs(rarb.rec_buf_addr) ; rbuf = map_address(ti, rbuffer, &rbuffer_page); SET_PAGE(ti->asb_page); if (readb(ti->asb + RETCODE_OFST) !=0xFF) DPRINTK("ASB not free !!!\n"); writeb(REC_DATA, ti->asb + COMMAND_OFST); writew(rarb.station_id, ti->asb + STATION_ID_OFST); writew(rarb.rec_buf_addr, ti->asb + RECEIVE_BUFFER_OFST); lan_hdr_len = rarb.lan_hdr_len; if (lan_hdr_len > sizeof(struct trh_hdr)) { DPRINTK("Linux cannot handle greater than 18 bytes RIF\n"); return; } /*BMS I added this above just to be very safe */ dlc_hdr_len = readb(ti->arb + DLC_HDR_LENGTH_OFST); hdr_len = lan_hdr_len + sizeof(struct trllc) + sizeof(struct iphdr); SET_PAGE(rbuffer_page); llc = rbuf + offsetof(struct rec_buf, data) + lan_hdr_len; #if TR_VERBOSE DPRINTK("offsetof data: %02X lan_hdr_len: %02X\n", (__u32) offsetof(struct rec_buf, data), (unsigned int) lan_hdr_len); DPRINTK("llc: %08X rec_buf_addr: %04X dev->mem_start: %lX\n", llc, ntohs(rarb.rec_buf_addr), dev->mem_start); DPRINTK("dsap: %02X, ssap: %02X, llc: %02X, protid: %02X%02X%02X, " "ethertype: %04X\n", (int) readb(llc + DSAP_OFST), (int) readb(llc + SSAP_OFST), (int) readb(llc + LLC_OFST), (int) readb(llc + PROTID_OFST), (int) readb(llc+PROTID_OFST+1),(int)readb(llc+PROTID_OFST + 2), (int) ntohs(readw(llc + ETHERTYPE_OFST))); #endif if (readb(llc + offsetof(struct trllc, llc)) != UI_CMD) { SET_PAGE(ti->asb_page); writeb(DATA_LOST, ti->asb + RETCODE_OFST); ti->tr_stats.rx_dropped++; writeb(RESP_IN_ASB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); return; } length = ntohs(rarb.frame_len); if (readb(llc + DSAP_OFST) == EXTENDED_SAP && readb(llc + SSAP_OFST) == EXTENDED_SAP && length >= hdr_len) IPv4_p = 1; #if TR_VERBOSE #define SADDR_OFST 8 #define DADDR_OFST 2 if (!IPv4_p) { void __iomem *trhhdr = rbuf + offsetof(struct rec_buf, data); DPRINTK("Probably non-IP frame received.\n"); DPRINTK("ssap: %02X dsap: %02X " "saddr: %02X:%02X:%02X:%02X:%02X:%02X " "daddr: %02X:%02X:%02X:%02X:%02X:%02X\n", readb(llc + SSAP_OFST), readb(llc + DSAP_OFST), readb(trhhdr+SADDR_OFST), readb(trhhdr+ SADDR_OFST+1), readb(trhhdr+SADDR_OFST+2), readb(trhhdr+SADDR_OFST+3), readb(trhhdr+SADDR_OFST+4), readb(trhhdr+SADDR_OFST+5), readb(trhhdr+DADDR_OFST), readb(trhhdr+DADDR_OFST + 1), readb(trhhdr+DADDR_OFST+2), readb(trhhdr+DADDR_OFST+3), readb(trhhdr+DADDR_OFST+4), readb(trhhdr+DADDR_OFST+5)); } #endif /*BMS handle the case she comes in with few hops but leaves with many */ skb_size=length-lan_hdr_len+sizeof(struct trh_hdr)+sizeof(struct trllc); if (!(skb = dev_alloc_skb(skb_size))) { DPRINTK("out of memory. frame dropped.\n"); ti->tr_stats.rx_dropped++; SET_PAGE(ti->asb_page); writeb(DATA_LOST, ti->asb + offsetof(struct asb_rec, ret_code)); writeb(RESP_IN_ASB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); return; } /*BMS again, if she comes in with few but leaves with many */ skb_reserve(skb, sizeof(struct trh_hdr) - lan_hdr_len); skb_put(skb, length); data = skb->data; rbuffer_len = ntohs(readw(rbuf + offsetof(struct rec_buf, buf_len))); rbufdata = rbuf + offsetof(struct rec_buf, data); if (IPv4_p) { /* Copy the headers without checksumming */ memcpy_fromio(data, rbufdata, hdr_len); /* Watch for padded packets and bogons */ iph= (struct iphdr *)(data+ lan_hdr_len + sizeof(struct trllc)); ip_len = ntohs(iph->tot_len) - sizeof(struct iphdr); length -= hdr_len; if ((ip_len <= length) && (ip_len > 7)) length = ip_len; data += hdr_len; rbuffer_len -= hdr_len; rbufdata += hdr_len; } /* Copy the payload... */ #define BUFFER_POINTER_OFST 2 #define BUFFER_LENGTH_OFST 6 for (;;) { if (ibmtr_debug_trace&TRC_INITV && length < rbuffer_len) DPRINTK("CURIOUS, length=%d < rbuffer_len=%d\n", length,rbuffer_len); if (IPv4_p) chksum=csum_partial_copy_nocheck((void*)rbufdata, data,length<rbuffer_len?length:rbuffer_len,chksum); else memcpy_fromio(data, rbufdata, rbuffer_len); rbuffer = ntohs(readw(rbuf+BUFFER_POINTER_OFST)) ; if (!rbuffer) break; rbuffer -= 2; length -= rbuffer_len; data += rbuffer_len; rbuf = map_address(ti, rbuffer, &rbuffer_page); SET_PAGE(rbuffer_page); rbuffer_len = ntohs(readw(rbuf + BUFFER_LENGTH_OFST)); rbufdata = rbuf + offsetof(struct rec_buf, data); } SET_PAGE(ti->asb_page); writeb(0, ti->asb + offsetof(struct asb_rec, ret_code)); writeb(RESP_IN_ASB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); ti->tr_stats.rx_bytes += skb->len; ti->tr_stats.rx_packets++; skb->protocol = tr_type_trans(skb, dev); if (IPv4_p) { skb->csum = chksum; skb->ip_summed = CHECKSUM_COMPLETE; } netif_rx(skb); dev->last_rx = jiffies; } /*tr_rx */ /*****************************************************************************/ static void ibmtr_reset_timer(struct timer_list *tmr, struct net_device *dev) { tmr->expires = jiffies + TR_RETRY_INTERVAL; tmr->data = (unsigned long) dev; tmr->function = tok_rerun; init_timer(tmr); add_timer(tmr); } /*****************************************************************************/ void tok_rerun(unsigned long dev_addr){ struct net_device *dev = (struct net_device *)dev_addr; struct tok_info *ti = (struct tok_info *) dev->priv; if ( ti->open_action == RESTART){ ti->do_tok_int = FIRST_INT; outb(0, dev->base_addr + ADAPTRESETREL); #ifdef ENABLE_PAGING if (ti->page_mask) writeb(SRPR_ENABLE_PAGING, ti->mmio + ACA_OFFSET + ACA_RW + SRPR_EVEN); #endif writeb(INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_SET + ISRP_EVEN); } else tok_open_adapter(dev_addr); } /*****************************************************************************/ static void ibmtr_readlog(struct net_device *dev) { struct tok_info *ti; ti = (struct tok_info *) dev->priv; ti->readlog_pending = 0; SET_PAGE(ti->srb_page); writeb(DIR_READ_LOG, ti->srb); writeb(INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_SET + ISRP_EVEN); writeb(CMD_IN_SRB, ti->mmio + ACA_OFFSET + ACA_SET + ISRA_ODD); netif_stop_queue(dev); } /*****************************************************************************/ /* tok_get_stats(): Basically a scaffold routine which will return the address of the tr_statistics structure associated with this device -- the tr.... structure is an ethnet look-alike so at least for this iteration may suffice. */ static struct net_device_stats *tok_get_stats(struct net_device *dev) { struct tok_info *toki; toki = (struct tok_info *) dev->priv; return (struct net_device_stats *) &toki->tr_stats; } /*****************************************************************************/ static int ibmtr_change_mtu(struct net_device *dev, int mtu) { struct tok_info *ti = (struct tok_info *) dev->priv; if (ti->ring_speed == 16 && mtu > ti->maxmtu16) return -EINVAL; if (ti->ring_speed == 4 && mtu > ti->maxmtu4) return -EINVAL; dev->mtu = mtu; return 0; } /*****************************************************************************/ #ifdef MODULE /* 3COM 3C619C supports 8 interrupts, 32 I/O ports */ static struct net_device *dev_ibmtr[IBMTR_MAX_ADAPTERS]; static int io[IBMTR_MAX_ADAPTERS] = { 0xa20, 0xa24 }; static int irq[IBMTR_MAX_ADAPTERS]; static int mem[IBMTR_MAX_ADAPTERS]; MODULE_LICENSE("GPL"); module_param_array(io, int, NULL, 0); module_param_array(irq, int, NULL, 0); module_param_array(mem, int, NULL, 0); static int __init ibmtr_init(void) { int i; int count=0; find_turbo_adapters(io); for (i = 0; io[i] && (i < IBMTR_MAX_ADAPTERS); i++) { struct net_device *dev; irq[i] = 0; mem[i] = 0; dev = alloc_trdev(sizeof(struct tok_info)); if (dev == NULL) { if (i == 0) return -ENOMEM; break; } dev->base_addr = io[i]; dev->irq = irq[i]; dev->mem_start = mem[i]; if (ibmtr_probe_card(dev)) { free_netdev(dev); continue; } dev_ibmtr[i] = dev; count++; } if (count) return 0; printk("ibmtr: register_netdev() returned non-zero.\n"); return -EIO; } module_init(ibmtr_init); static void __exit ibmtr_cleanup(void) { int i; for (i = 0; i < IBMTR_MAX_ADAPTERS; i++){ if (!dev_ibmtr[i]) continue; unregister_netdev(dev_ibmtr[i]); ibmtr_cleanup_card(dev_ibmtr[i]); free_netdev(dev_ibmtr[i]); } } module_exit(ibmtr_cleanup); #endif