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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
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2010.1commit 7c1ff4c544...Andrea Bastoni15 years
v2.6.34commit e40152ee1e...Linus Torvalds15 years
v2.6.33.4commit 4640b4e7d9...Greg Kroah-Hartman15 years
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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...
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-09 18:06:09 -0400
l opt">]) { writeb(olympic_priv->olympic_laa[0],init_srb+12); writeb(olympic_priv->olympic_laa[1],init_srb+13); writeb(olympic_priv->olympic_laa[2],init_srb+14); writeb(olympic_priv->olympic_laa[3],init_srb+15); writeb(olympic_priv->olympic_laa[4],init_srb+16); writeb(olympic_priv->olympic_laa[5],init_srb+17); memcpy(dev->dev_addr,olympic_priv->olympic_laa,dev->addr_len) ; } writeb(1,init_srb+30); spin_lock_irqsave(&olympic_priv->olympic_lock,flags); olympic_priv->srb_queued=1; writel(LISR_SRB_CMD,olympic_mmio+LISR_SUM); spin_unlock_irqrestore(&olympic_priv->olympic_lock,flags); t = jiffies ; add_wait_queue(&olympic_priv->srb_wait,&wait) ; set_current_state(TASK_INTERRUPTIBLE) ; while(olympic_priv->srb_queued) { schedule() ; if(signal_pending(current)) { printk(KERN_WARNING "%s: Signal received in open.\n", dev->name); printk(KERN_WARNING "SISR=%x LISR=%x\n", readl(olympic_mmio+SISR), readl(olympic_mmio+LISR)); olympic_priv->srb_queued=0; break; } if (time_after(jiffies, t + 10*HZ)) { printk(KERN_WARNING "%s: SRB timed out. \n",dev->name) ; olympic_priv->srb_queued=0; break ; } set_current_state(TASK_INTERRUPTIBLE) ; } remove_wait_queue(&olympic_priv->srb_wait,&wait) ; set_current_state(TASK_RUNNING) ; olympic_priv->srb_queued = 0 ; #if OLYMPIC_DEBUG printk("init_srb(%p): ",init_srb); for(i=0;i<20;i++) printk("%02x ",readb(init_srb+i)); printk("\n"); #endif /* If we get the same return response as we set, the interrupt wasn't raised and the open * timed out. */ switch (resp = readb(init_srb+2)) { case OLYMPIC_CLEAR_RET_CODE: printk(KERN_WARNING "%s: Adapter Open time out or error.\n", dev->name) ; goto out; case 0: open_finished = 1; break; case 0x07: if (!olympic_priv->olympic_ring_speed && open_finished) { /* Autosense , first time around */ printk(KERN_WARNING "%s: Retrying at different ring speed \n", dev->name); open_finished = 0 ; continue; } err = readb(init_srb+7); if (!olympic_priv->olympic_ring_speed && ((err & 0x0f) == 0x0d)) { printk(KERN_WARNING "%s: Tried to autosense ring speed with no monitors present\n",dev->name); printk(KERN_WARNING "%s: Please try again with a specified ring speed \n",dev->name); } else { printk(KERN_WARNING "%s: %s - %s\n", dev->name, open_maj_error[(err & 0xf0) >> 4], open_min_error[(err & 0x0f)]); } goto out; case 0x32: printk(KERN_WARNING "%s: Invalid LAA: %02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, olympic_priv->olympic_laa[0], olympic_priv->olympic_laa[1], olympic_priv->olympic_laa[2], olympic_priv->olympic_laa[3], olympic_priv->olympic_laa[4], olympic_priv->olympic_laa[5]) ; goto out; default: printk(KERN_WARNING "%s: Bad OPEN response: %x\n", dev->name, resp); goto out; } } while (!(open_finished)) ; /* Will only loop if ring speed mismatch re-open attempted && autosense is on */ if (readb(init_srb+18) & (1<<3)) if (olympic_priv->olympic_message_level) printk(KERN_INFO "%s: Opened in FDX Mode\n",dev->name); if (readb(init_srb+18) & (1<<1)) olympic_priv->olympic_ring_speed = 100 ; else if (readb(init_srb+18) & 1) olympic_priv->olympic_ring_speed = 16 ; else olympic_priv->olympic_ring_speed = 4 ; if (olympic_priv->olympic_message_level) printk(KERN_INFO "%s: Opened in %d Mbps mode\n",dev->name, olympic_priv->olympic_ring_speed); olympic_priv->asb = swab16(readw(init_srb+8)); olympic_priv->srb = swab16(readw(init_srb+10)); olympic_priv->arb = swab16(readw(init_srb+12)); olympic_priv->trb = swab16(readw(init_srb+16)); olympic_priv->olympic_receive_options = 0x01 ; olympic_priv->olympic_copy_all_options = 0 ; /* setup rx ring */ writel((3<<16),olympic_mmio+BMCTL_RWM); /* Ensure end of frame generated interrupts */ writel(BMCTL_RX_DIS|3,olympic_mmio+BMCTL_RWM); /* Yes, this the enables RX channel */ for(i=0;i<OLYMPIC_RX_RING_SIZE;i++) { struct sk_buff *skb; skb=dev_alloc_skb(olympic_priv->pkt_buf_sz); if(skb == NULL) break; skb->dev = dev; olympic_priv->olympic_rx_ring[i].buffer = cpu_to_le32(pci_map_single(olympic_priv->pdev, skb->data,olympic_priv->pkt_buf_sz, PCI_DMA_FROMDEVICE)) ; olympic_priv->olympic_rx_ring[i].res_length = cpu_to_le32(olympic_priv->pkt_buf_sz); olympic_priv->rx_ring_skb[i]=skb; } if (i==0) { printk(KERN_WARNING "%s: Not enough memory to allocate rx buffers. Adapter disabled\n",dev->name); goto out; } olympic_priv->rx_ring_dma_addr = pci_map_single(olympic_priv->pdev,olympic_priv->olympic_rx_ring, sizeof(struct olympic_rx_desc) * OLYMPIC_RX_RING_SIZE, PCI_DMA_TODEVICE); writel(olympic_priv->rx_ring_dma_addr, olympic_mmio+RXDESCQ); writel(olympic_priv->rx_ring_dma_addr, olympic_mmio+RXCDA); writew(i, olympic_mmio+RXDESCQCNT); olympic_priv->rx_status_ring_dma_addr = pci_map_single(olympic_priv->pdev, olympic_priv->olympic_rx_status_ring, sizeof(struct olympic_rx_status) * OLYMPIC_RX_RING_SIZE, PCI_DMA_FROMDEVICE); writel(olympic_priv->rx_status_ring_dma_addr, olympic_mmio+RXSTATQ); writel(olympic_priv->rx_status_ring_dma_addr, olympic_mmio+RXCSA); olympic_priv->rx_ring_last_received = OLYMPIC_RX_RING_SIZE - 1; /* last processed rx status */ olympic_priv->rx_status_last_received = OLYMPIC_RX_RING_SIZE - 1; writew(i, olympic_mmio+RXSTATQCNT); #if OLYMPIC_DEBUG printk("# of rx buffers: %d, RXENQ: %x\n",i, readw(olympic_mmio+RXENQ)); printk("RXCSA: %x, rx_status_ring[0]: %p\n",readl(olympic_mmio+RXCSA),&olympic_priv->olympic_rx_status_ring[0]); printk(" stat_ring[1]: %p, stat_ring[2]: %p, stat_ring[3]: %p\n", &(olympic_priv->olympic_rx_status_ring[1]), &(olympic_priv->olympic_rx_status_ring[2]), &(olympic_priv->olympic_rx_status_ring[3]) ); printk(" stat_ring[4]: %p, stat_ring[5]: %p, stat_ring[6]: %p\n", &(olympic_priv->olympic_rx_status_ring[4]), &(olympic_priv->olympic_rx_status_ring[5]), &(olympic_priv->olympic_rx_status_ring[6]) ); printk(" stat_ring[7]: %p\n", &(olympic_priv->olympic_rx_status_ring[7]) ); printk("RXCDA: %x, rx_ring[0]: %p\n",readl(olympic_mmio+RXCDA),&olympic_priv->olympic_rx_ring[0]); printk("Rx_ring_dma_addr = %08x, rx_status_dma_addr = %08x\n", olympic_priv->rx_ring_dma_addr,olympic_priv->rx_status_ring_dma_addr) ; #endif writew((((readw(olympic_mmio+RXENQ)) & 0x8000) ^ 0x8000) | i,olympic_mmio+RXENQ); #if OLYMPIC_DEBUG printk("# of rx buffers: %d, RXENQ: %x\n",i, readw(olympic_mmio+RXENQ)); printk("RXCSA: %x, rx_ring[0]: %p\n",readl(olympic_mmio+RXCSA),&olympic_priv->olympic_rx_status_ring[0]); printk("RXCDA: %x, rx_ring[0]: %p\n",readl(olympic_mmio+RXCDA),&olympic_priv->olympic_rx_ring[0]); #endif writel(SISR_RX_STATUS | SISR_RX_NOBUF,olympic_mmio+SISR_MASK_SUM); /* setup tx ring */ writel(BMCTL_TX1_DIS,olympic_mmio+BMCTL_RWM); /* Yes, this enables TX channel 1 */ for(i=0;i<OLYMPIC_TX_RING_SIZE;i++) olympic_priv->olympic_tx_ring[i].buffer=0xdeadbeef; olympic_priv->free_tx_ring_entries=OLYMPIC_TX_RING_SIZE; olympic_priv->tx_ring_dma_addr = pci_map_single(olympic_priv->pdev,olympic_priv->olympic_tx_ring, sizeof(struct olympic_tx_desc) * OLYMPIC_TX_RING_SIZE,PCI_DMA_TODEVICE) ; writel(olympic_priv->tx_ring_dma_addr, olympic_mmio+TXDESCQ_1); writel(olympic_priv->tx_ring_dma_addr, olympic_mmio+TXCDA_1); writew(OLYMPIC_TX_RING_SIZE, olympic_mmio+TXDESCQCNT_1); olympic_priv->tx_status_ring_dma_addr = pci_map_single(olympic_priv->pdev, olympic_priv->olympic_tx_status_ring, sizeof(struct olympic_tx_status) * OLYMPIC_TX_RING_SIZE, PCI_DMA_FROMDEVICE); writel(olympic_priv->tx_status_ring_dma_addr,olympic_mmio+TXSTATQ_1); writel(olympic_priv->tx_status_ring_dma_addr,olympic_mmio+TXCSA_1); writew(OLYMPIC_TX_RING_SIZE,olympic_mmio+TXSTATQCNT_1); olympic_priv->tx_ring_free=0; /* next entry in tx ring to use */ olympic_priv->tx_ring_last_status=OLYMPIC_TX_RING_SIZE-1; /* last processed tx status */ writel(0xffffffff, olympic_mmio+EISR_RWM) ; /* clean the eisr */ writel(0,olympic_mmio+EISR) ; writel(EISR_MASK_OPTIONS,olympic_mmio+EISR_MASK) ; /* enables most of the TX error interrupts */ writel(SISR_TX1_EOF | SISR_ADAPTER_CHECK | SISR_ARB_CMD | SISR_TRB_REPLY | SISR_ASB_FREE | SISR_ERR,olympic_mmio+SISR_MASK_SUM); #if OLYMPIC_DEBUG printk("BMCTL: %x\n",readl(olympic_mmio+BMCTL_SUM)); printk("SISR MASK: %x\n",readl(olympic_mmio+SISR_MASK)); #endif if (olympic_priv->olympic_network_monitor) { u8 __iomem *oat ; u8 __iomem *opt ; oat = (olympic_priv->olympic_lap + olympic_priv->olympic_addr_table_addr) ; opt = (olympic_priv->olympic_lap + olympic_priv->olympic_parms_addr) ; printk("%s: Node Address: %02x:%02x:%02x:%02x:%02x:%02x\n",dev->name, readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+1), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+2), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+3), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+4), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+5)); printk("%s: Functional Address: %02x:%02x:%02x:%02x\n",dev->name, readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)), readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+1), readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+2), readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+3)); printk("%s: NAUN Address: %02x:%02x:%02x:%02x:%02x:%02x\n",dev->name, readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+1), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+2), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+3), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+4), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+5)); } netif_start_queue(dev); return 0; out: free_irq(dev->irq, dev); return -EIO; } /* * When we enter the rx routine we do not know how many frames have been * queued on the rx channel. Therefore we start at the next rx status * position and travel around the receive ring until we have completed * all the frames. * * This means that we may process the frame before we receive the end * of frame interrupt. This is why we always test the status instead * of blindly processing the next frame. * * We also remove the last 4 bytes from the packet as well, these are * just token ring trailer info and upset protocols that don't check * their own length, i.e. SNA. * */ static void olympic_rx(struct net_device *dev) { struct olympic_private *olympic_priv=(struct olympic_private *)dev->priv; u8 __iomem *olympic_mmio=olympic_priv->olympic_mmio; struct olympic_rx_status *rx_status; struct olympic_rx_desc *rx_desc ; int rx_ring_last_received,length, buffer_cnt, cpy_length, frag_len; struct sk_buff *skb, *skb2; int i; rx_status=&(olympic_priv->olympic_rx_status_ring[(olympic_priv->rx_status_last_received + 1) & (OLYMPIC_RX_RING_SIZE - 1)]) ; while (rx_status->status_buffercnt) { u32 l_status_buffercnt; olympic_priv->rx_status_last_received++ ; olympic_priv->rx_status_last_received &= (OLYMPIC_RX_RING_SIZE -1); #if OLYMPIC_DEBUG printk("rx status: %x rx len: %x \n", le32_to_cpu(rx_status->status_buffercnt), le32_to_cpu(rx_status->fragmentcnt_framelen)); #endif length = le32_to_cpu(rx_status->fragmentcnt_framelen) & 0xffff; buffer_cnt = le32_to_cpu(rx_status->status_buffercnt) & 0xffff; i = buffer_cnt ; /* Need buffer_cnt later for rxenq update */ frag_len = le32_to_cpu(rx_status->fragmentcnt_framelen) >> 16; #if OLYMPIC_DEBUG printk("length: %x, frag_len: %x, buffer_cnt: %x\n", length, frag_len, buffer_cnt); #endif l_status_buffercnt = le32_to_cpu(rx_status->status_buffercnt); if(l_status_buffercnt & 0xC0000000) { if (l_status_buffercnt & 0x3B000000) { if (olympic_priv->olympic_message_level) { if (l_status_buffercnt & (1<<29)) /* Rx Frame Truncated */ printk(KERN_WARNING "%s: Rx Frame Truncated \n",dev->name); if (l_status_buffercnt & (1<<28)) /*Rx receive overrun */ printk(KERN_WARNING "%s: Rx Frame Receive overrun \n",dev->name); if (l_status_buffercnt & (1<<27)) /* No receive buffers */ printk(KERN_WARNING "%s: No receive buffers \n",dev->name); if (l_status_buffercnt & (1<<25)) /* Receive frame error detect */ printk(KERN_WARNING "%s: Receive frame error detect \n",dev->name); if (l_status_buffercnt & (1<<24)) /* Received Error Detect */ printk(KERN_WARNING "%s: Received Error Detect \n",dev->name); } olympic_priv->rx_ring_last_received += i ; olympic_priv->rx_ring_last_received &= (OLYMPIC_RX_RING_SIZE -1) ; olympic_priv->olympic_stats.rx_errors++; } else { if (buffer_cnt == 1) { skb = dev_alloc_skb(max_t(int, olympic_priv->pkt_buf_sz,length)) ; } else { skb = dev_alloc_skb(length) ; } if (skb == NULL) { printk(KERN_WARNING "%s: Not enough memory to copy packet to upper layers. \n",dev->name) ; olympic_priv->olympic_stats.rx_dropped++ ; /* Update counters even though we don't transfer the frame */ olympic_priv->rx_ring_last_received += i ; olympic_priv->rx_ring_last_received &= (OLYMPIC_RX_RING_SIZE -1) ; } else { /* Optimise based upon number of buffers used. If only one buffer is used we can simply swap the buffers around. If more than one then we must use the new buffer and copy the information first. Ideally all frames would be in a single buffer, this can be tuned by altering the buffer size. If the length of the packet is less than 1500 bytes we're going to copy it over anyway to stop packets getting dropped from sockets with buffers smaller than our pkt_buf_sz. */ if (buffer_cnt==1) { olympic_priv->rx_ring_last_received++ ; olympic_priv->rx_ring_last_received &= (OLYMPIC_RX_RING_SIZE -1); rx_ring_last_received = olympic_priv->rx_ring_last_received ; if (length > 1500) { skb2=olympic_priv->rx_ring_skb[rx_ring_last_received] ; /* unmap buffer */ pci_unmap_single(olympic_priv->pdev, le32_to_cpu(olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer), olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ; skb_put(skb2,length-4); skb2->protocol = tr_type_trans(skb2,dev); olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer = cpu_to_le32(pci_map_single(olympic_priv->pdev, skb->data, olympic_priv->pkt_buf_sz, PCI_DMA_FROMDEVICE)); olympic_priv->olympic_rx_ring[rx_ring_last_received].res_length = cpu_to_le32(olympic_priv->pkt_buf_sz); olympic_priv->rx_ring_skb[rx_ring_last_received] = skb ; netif_rx(skb2) ; } else { pci_dma_sync_single_for_cpu(olympic_priv->pdev, le32_to_cpu(olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer), olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ; skb_copy_from_linear_data(olympic_priv->rx_ring_skb[rx_ring_last_received], skb_put(skb,length - 4), length - 4); pci_dma_sync_single_for_device(olympic_priv->pdev, le32_to_cpu(olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer), olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ; skb->protocol = tr_type_trans(skb,dev) ; netif_rx(skb) ; } } else { do { /* Walk the buffers */ olympic_priv->rx_ring_last_received++ ; olympic_priv->rx_ring_last_received &= (OLYMPIC_RX_RING_SIZE -1); rx_ring_last_received = olympic_priv->rx_ring_last_received ; pci_dma_sync_single_for_cpu(olympic_priv->pdev, le32_to_cpu(olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer), olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ; rx_desc = &(olympic_priv->olympic_rx_ring[rx_ring_last_received]); cpy_length = (i == 1 ? frag_len : le32_to_cpu(rx_desc->res_length)); skb_copy_from_linear_data(olympic_priv->rx_ring_skb[rx_ring_last_received], skb_put(skb, cpy_length), cpy_length); pci_dma_sync_single_for_device(olympic_priv->pdev, le32_to_cpu(olympic_priv->olympic_rx_ring[rx_ring_last_received].buffer), olympic_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ; } while (--i) ; skb_trim(skb,skb->len-4) ; skb->protocol = tr_type_trans(skb,dev); netif_rx(skb) ; } dev->last_rx = jiffies ; olympic_priv->olympic_stats.rx_packets++ ; olympic_priv->olympic_stats.rx_bytes += length ; } /* if skb == null */ } /* If status & 0x3b */ } else { /*if buffercnt & 0xC */ olympic_priv->rx_ring_last_received += i ; olympic_priv->rx_ring_last_received &= (OLYMPIC_RX_RING_SIZE - 1) ; } rx_status->fragmentcnt_framelen = 0 ; rx_status->status_buffercnt = 0 ; rx_status = &(olympic_priv->olympic_rx_status_ring[(olympic_priv->rx_status_last_received+1) & (OLYMPIC_RX_RING_SIZE -1) ]); writew((((readw(olympic_mmio+RXENQ)) & 0x8000) ^ 0x8000) | buffer_cnt , olympic_mmio+RXENQ); } /* while */ } static void olympic_freemem(struct net_device *dev) { struct olympic_private *olympic_priv=(struct olympic_private *)dev->priv; int i; for(i=0;i<OLYMPIC_RX_RING_SIZE;i++) { if (olympic_priv->rx_ring_skb[olympic_priv->rx_status_last_received] != NULL) { dev_kfree_skb_irq(olympic_priv->rx_ring_skb[olympic_priv->rx_status_last_received]); olympic_priv->rx_ring_skb[olympic_priv->rx_status_last_received] = NULL; } if (olympic_priv->olympic_rx_ring[olympic_priv->rx_status_last_received].buffer != 0xdeadbeef) { pci_unmap_single(olympic_priv->pdev, le32_to_cpu(olympic_priv->olympic_rx_ring[olympic_priv->rx_status_last_received].buffer), olympic_priv->pkt_buf_sz, PCI_DMA_FROMDEVICE); } olympic_priv->rx_status_last_received++; olympic_priv->rx_status_last_received&=OLYMPIC_RX_RING_SIZE-1; } /* unmap rings */ pci_unmap_single(olympic_priv->pdev, olympic_priv->rx_status_ring_dma_addr, sizeof(struct olympic_rx_status) * OLYMPIC_RX_RING_SIZE, PCI_DMA_FROMDEVICE); pci_unmap_single(olympic_priv->pdev, olympic_priv->rx_ring_dma_addr, sizeof(struct olympic_rx_desc) * OLYMPIC_RX_RING_SIZE, PCI_DMA_TODEVICE); pci_unmap_single(olympic_priv->pdev, olympic_priv->tx_status_ring_dma_addr, sizeof(struct olympic_tx_status) * OLYMPIC_TX_RING_SIZE, PCI_DMA_FROMDEVICE); pci_unmap_single(olympic_priv->pdev, olympic_priv->tx_ring_dma_addr, sizeof(struct olympic_tx_desc) * OLYMPIC_TX_RING_SIZE, PCI_DMA_TODEVICE); return ; } static irqreturn_t olympic_interrupt(int irq, void *dev_id) { struct net_device *dev= (struct net_device *)dev_id; struct olympic_private *olympic_priv=(struct olympic_private *)dev->priv; u8 __iomem *olympic_mmio=olympic_priv->olympic_mmio; u32 sisr; u8 __iomem *adapter_check_area ; /* * Read sisr but don't reset it yet. * The indication bit may have been set but the interrupt latch * bit may not be set, so we'd lose the interrupt later. */ sisr=readl(olympic_mmio+SISR) ; if (!(sisr & SISR_MI)) /* Interrupt isn't for us */ return IRQ_NONE; sisr=readl(olympic_mmio+SISR_RR) ; /* Read & Reset sisr */ spin_lock(&olympic_priv->olympic_lock); /* Hotswap gives us this on removal */ if (sisr == 0xffffffff) { printk(KERN_WARNING "%s: Hotswap adapter removal.\n",dev->name) ; spin_unlock(&olympic_priv->olympic_lock) ; return IRQ_NONE; } if (sisr & (SISR_SRB_REPLY | SISR_TX1_EOF | SISR_RX_STATUS | SISR_ADAPTER_CHECK | SISR_ASB_FREE | SISR_ARB_CMD | SISR_TRB_REPLY | SISR_RX_NOBUF | SISR_ERR)) { /* If we ever get this the adapter is seriously dead. Only a reset is going to * bring it back to life. We're talking pci bus errors and such like :( */ if((sisr & SISR_ERR) && (readl(olympic_mmio+EISR) & EISR_MASK_OPTIONS)) { printk(KERN_ERR "Olympic: EISR Error, EISR=%08x\n",readl(olympic_mmio+EISR)) ; printk(KERN_ERR "The adapter must be reset to clear this condition.\n") ; printk(KERN_ERR "Please report this error to the driver maintainer and/\n") ; printk(KERN_ERR "or the linux-tr mailing list.\n") ; wake_up_interruptible(&olympic_priv->srb_wait); spin_unlock(&olympic_priv->olympic_lock) ; return IRQ_HANDLED; } /* SISR_ERR */ if(sisr & SISR_SRB_REPLY) { if(olympic_priv->srb_queued==1) { wake_up_interruptible(&olympic_priv->srb_wait); } else if (olympic_priv->srb_queued==2) { olympic_srb_bh(dev) ; } olympic_priv->srb_queued=0; } /* SISR_SRB_REPLY */ /* We shouldn't ever miss the Tx interrupt, but the you never know, hence the loop to ensure we get all tx completions. */ if (sisr & SISR_TX1_EOF) { while(olympic_priv->olympic_tx_status_ring[(olympic_priv->tx_ring_last_status + 1) & (OLYMPIC_TX_RING_SIZE-1)].status) { olympic_priv->tx_ring_last_status++; olympic_priv->tx_ring_last_status &= (OLYMPIC_TX_RING_SIZE-1); olympic_priv->free_tx_ring_entries++; olympic_priv->olympic_stats.tx_bytes += olympic_priv->tx_ring_skb[olympic_priv->tx_ring_last_status]->len; olympic_priv->olympic_stats.tx_packets++ ; pci_unmap_single(olympic_priv->pdev, le32_to_cpu(olympic_priv->olympic_tx_ring[olympic_priv->tx_ring_last_status].buffer), olympic_priv->tx_ring_skb[olympic_priv->tx_ring_last_status]->len,PCI_DMA_TODEVICE); dev_kfree_skb_irq(olympic_priv->tx_ring_skb[olympic_priv->tx_ring_last_status]); olympic_priv->olympic_tx_ring[olympic_priv->tx_ring_last_status].buffer=0xdeadbeef; olympic_priv->olympic_tx_status_ring[olympic_priv->tx_ring_last_status].status=0; } netif_wake_queue(dev); } /* SISR_TX1_EOF */ if (sisr & SISR_RX_STATUS) { olympic_rx(dev); } /* SISR_RX_STATUS */ if (sisr & SISR_ADAPTER_CHECK) { netif_stop_queue(dev); printk(KERN_WARNING "%s: Adapter Check Interrupt Raised, 8 bytes of information follow:\n", dev->name); writel(readl(olympic_mmio+LAPWWC),olympic_mmio+LAPA); adapter_check_area = olympic_priv->olympic_lap + ((readl(olympic_mmio+LAPWWC)) & (~0xf800)) ; printk(KERN_WARNING "%s: Bytes %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",dev->name, readb(adapter_check_area+0), readb(adapter_check_area+1), readb(adapter_check_area+2), readb(adapter_check_area+3), readb(adapter_check_area+4), readb(adapter_check_area+5), readb(adapter_check_area+6), readb(adapter_check_area+7)) ; spin_unlock(&olympic_priv->olympic_lock) ; return IRQ_HANDLED; } /* SISR_ADAPTER_CHECK */ if (sisr & SISR_ASB_FREE) { /* Wake up anything that is waiting for the asb response */ if (olympic_priv->asb_queued) { olympic_asb_bh(dev) ; } } /* SISR_ASB_FREE */ if (sisr & SISR_ARB_CMD) { olympic_arb_cmd(dev) ; } /* SISR_ARB_CMD */ if (sisr & SISR_TRB_REPLY) { /* Wake up anything that is waiting for the trb response */ if (olympic_priv->trb_queued) { wake_up_interruptible(&olympic_priv->trb_wait); } olympic_priv->trb_queued = 0 ; } /* SISR_TRB_REPLY */ if (sisr & SISR_RX_NOBUF) { /* According to the documentation, we don't have to do anything, but trapping it keeps it out of /var/log/messages. */ } /* SISR_RX_NOBUF */ } else { printk(KERN_WARNING "%s: Unexpected interrupt: %x\n",dev->name, sisr); printk(KERN_WARNING "%s: SISR_MASK: %x\n",dev->name, readl(olympic_mmio+SISR_MASK)) ; } /* One if the interrupts we want */ writel(SISR_MI,olympic_mmio+SISR_MASK_SUM); spin_unlock(&olympic_priv->olympic_lock) ; return IRQ_HANDLED; } static int olympic_xmit(struct sk_buff *skb, struct net_device *dev) { struct olympic_private *olympic_priv=(struct olympic_private *)dev->priv; u8 __iomem *olympic_mmio=olympic_priv->olympic_mmio; unsigned long flags ; spin_lock_irqsave(&olympic_priv->olympic_lock, flags); netif_stop_queue(dev); if(olympic_priv->free_tx_ring_entries) { olympic_priv->olympic_tx_ring[olympic_priv->tx_ring_free].buffer = cpu_to_le32(pci_map_single(olympic_priv->pdev, skb->data, skb->len,PCI_DMA_TODEVICE)); olympic_priv->olympic_tx_ring[olympic_priv->tx_ring_free].status_length = cpu_to_le32(skb->len | (0x80000000)); olympic_priv->tx_ring_skb[olympic_priv->tx_ring_free]=skb; olympic_priv->free_tx_ring_entries--; olympic_priv->tx_ring_free++; olympic_priv->tx_ring_free &= (OLYMPIC_TX_RING_SIZE-1); writew((((readw(olympic_mmio+TXENQ_1)) & 0x8000) ^ 0x8000) | 1,olympic_mmio+TXENQ_1); netif_wake_queue(dev); spin_unlock_irqrestore(&olympic_priv->olympic_lock,flags); return 0; } else { spin_unlock_irqrestore(&olympic_priv->olympic_lock,flags); return 1; } } static int olympic_close(struct net_device *dev) { struct olympic_private *olympic_priv=(struct olympic_private *)dev->priv; u8 __iomem *olympic_mmio=olympic_priv->olympic_mmio,*srb; unsigned long t,flags; DECLARE_WAITQUEUE(wait,current) ; netif_stop_queue(dev); writel(olympic_priv->srb,olympic_mmio+LAPA); srb=olympic_priv->olympic_lap + (olympic_priv->srb & (~0xf800)); writeb(SRB_CLOSE_ADAPTER,srb+0); writeb(0,srb+1); writeb(OLYMPIC_CLEAR_RET_CODE,srb+2); add_wait_queue(&olympic_priv->srb_wait,&wait) ; set_current_state(TASK_INTERRUPTIBLE) ; spin_lock_irqsave(&olympic_priv->olympic_lock,flags); olympic_priv->srb_queued=1; writel(LISR_SRB_CMD,olympic_mmio+LISR_SUM); spin_unlock_irqrestore(&olympic_priv->olympic_lock,flags); while(olympic_priv->srb_queued) { t = schedule_timeout_interruptible(60*HZ); if(signal_pending(current)) { printk(KERN_WARNING "%s: SRB timed out.\n",dev->name); printk(KERN_WARNING "SISR=%x MISR=%x\n",readl(olympic_mmio+SISR),readl(olympic_mmio+LISR)); olympic_priv->srb_queued=0; break; } if (t == 0) { printk(KERN_WARNING "%s: SRB timed out. May not be fatal. \n",dev->name) ; } olympic_priv->srb_queued=0; } remove_wait_queue(&olympic_priv->srb_wait,&wait) ; olympic_priv->rx_status_last_received++; olympic_priv->rx_status_last_received&=OLYMPIC_RX_RING_SIZE-1; olympic_freemem(dev) ; /* reset tx/rx fifo's and busmaster logic */ writel(readl(olympic_mmio+BCTL)|(3<<13),olympic_mmio+BCTL); udelay(1); writel(readl(olympic_mmio+BCTL)&~(3<<13),olympic_mmio+BCTL); #if OLYMPIC_DEBUG { int i ; printk("srb(%p): ",srb); for(i=0;i<4;i++) printk("%x ",readb(srb+i)); printk("\n"); } #endif free_irq(dev->irq,dev); return 0; } static void olympic_set_rx_mode(struct net_device *dev) { struct olympic_private *olympic_priv = (struct olympic_private *) dev->priv ; u8 __iomem *olympic_mmio = olympic_priv->olympic_mmio ; u8 options = 0; u8 __iomem *srb; struct dev_mc_list *dmi ; unsigned char dev_mc_address[4] ; int i ; writel(olympic_priv->srb,olympic_mmio+LAPA); srb=olympic_priv->olympic_lap + (olympic_priv->srb & (~0xf800)); options = olympic_priv->olympic_copy_all_options; if (dev->flags&IFF_PROMISC) options |= 0x61 ; else options &= ~0x61 ; /* Only issue the srb if there is a change in options */ if ((options ^ olympic_priv->olympic_copy_all_options)) { /* Now to issue the srb command to alter the copy.all.options */ writeb(SRB_MODIFY_RECEIVE_OPTIONS,srb); writeb(0,srb+1); writeb(OLYMPIC_CLEAR_RET_CODE,srb+2); writeb(0,srb+3); writeb(olympic_priv->olympic_receive_options,srb+4); writeb(options,srb+5); olympic_priv->srb_queued=2; /* Can't sleep, use srb_bh */ writel(LISR_SRB_CMD,olympic_mmio+LISR_SUM); olympic_priv->olympic_copy_all_options = options ; return ; } /* Set the functional addresses we need for multicast */ dev_mc_address[0] = dev_mc_address[1] = dev_mc_address[2] = dev_mc_address[3] = 0 ; for (i=0,dmi=dev->mc_list;i < dev->mc_count; i++,dmi = dmi->next) { dev_mc_address[0] |= dmi->dmi_addr[2] ; dev_mc_address[1] |= dmi->dmi_addr[3] ; dev_mc_address[2] |= dmi->dmi_addr[4] ; dev_mc_address[3] |= dmi->dmi_addr[5] ; } writeb(SRB_SET_FUNC_ADDRESS,srb+0); writeb(0,srb+1); writeb(OLYMPIC_CLEAR_RET_CODE,srb+2); writeb(0,srb+3); writeb(0,srb+4); writeb(0,srb+5); writeb(dev_mc_address[0],srb+6); writeb(dev_mc_address[1],srb+7); writeb(dev_mc_address[2],srb+8); writeb(dev_mc_address[3],srb+9); olympic_priv->srb_queued = 2 ; writel(LISR_SRB_CMD,olympic_mmio+LISR_SUM); } static void olympic_srb_bh(struct net_device *dev) { struct olympic_private *olympic_priv = (struct olympic_private *) dev->priv ; u8 __iomem *olympic_mmio = olympic_priv->olympic_mmio ; u8 __iomem *srb; writel(olympic_priv->srb,olympic_mmio+LAPA); srb=olympic_priv->olympic_lap + (olympic_priv->srb & (~0xf800)); switch (readb(srb)) { /* SRB_MODIFY_RECEIVE_OPTIONS i.e. set_multicast_list options (promiscuous) * At some point we should do something if we get an error, such as * resetting the IFF_PROMISC flag in dev */ case SRB_MODIFY_RECEIVE_OPTIONS: switch (readb(srb+2)) { case 0x01: printk(KERN_WARNING "%s: Unrecognized srb command\n",dev->name) ; break ; case 0x04: printk(KERN_WARNING "%s: Adapter must be open for this operation, doh!!\n",dev->name); break ; default: if (olympic_priv->olympic_message_level) printk(KERN_WARNING "%s: Receive Options Modified to %x,%x\n",dev->name,olympic_priv->olympic_copy_all_options, olympic_priv->olympic_receive_options) ; break ; } /* switch srb[2] */ break ; /* SRB_SET_GROUP_ADDRESS - Multicast group setting */ case SRB_SET_GROUP_ADDRESS: switch (readb(srb+2)) { case 0x00: break ; case 0x01: printk(KERN_WARNING "%s: Unrecognized srb command \n",dev->name) ; break ; case 0x04: printk(KERN_WARNING "%s: Adapter must be open for this operation, doh!!\n",dev->name); break ; case 0x3c: printk(KERN_WARNING "%s: Group/Functional address indicator bits not set correctly\n",dev->name) ; break ; case 0x3e: /* If we ever implement individual multicast addresses, will need to deal with this */ printk(KERN_WARNING "%s: Group address registers full\n",dev->name) ; break ; case 0x55: printk(KERN_INFO "%s: Group Address already set.\n",dev->name) ; break ; default: break ; } /* switch srb[2] */ break ; /* SRB_RESET_GROUP_ADDRESS - Remove a multicast address from group list */ case SRB_RESET_GROUP_ADDRESS: switch (readb(srb+2)) { case 0x00: break ; case 0x01: printk(KERN_WARNING "%s: Unrecognized srb command \n",dev->name) ; break ; case 0x04: printk(KERN_WARNING "%s: Adapter must be open for this operation, doh!!\n",dev->name) ; break ; case 0x39: /* Must deal with this if individual multicast addresses used */ printk(KERN_INFO "%s: Group address not found \n",dev->name); break ; default: break ; } /* switch srb[2] */ break ; /* SRB_SET_FUNC_ADDRESS - Called by the set_rx_mode */ case SRB_SET_FUNC_ADDRESS: switch (readb(srb+2)) { case 0x00: if (olympic_priv->olympic_message_level) printk(KERN_INFO "%s: Functional Address Mask Set \n",dev->name) ; break ; case 0x01: printk(KERN_WARNING "%s: Unrecognized srb command \n",dev->name) ; break ; case 0x04: printk(KERN_WARNING "%s: Adapter must be open for this operation, doh!!\n",dev->name) ; break ; default: break ; } /* switch srb[2] */ break ; /* SRB_READ_LOG - Read and reset the adapter error counters */ case SRB_READ_LOG: switch (readb(srb+2)) { case 0x00: if (olympic_priv->olympic_message_level) printk(KERN_INFO "%s: Read Log issued\n",dev->name) ; break ; case 0x01: printk(KERN_WARNING "%s: Unrecognized srb command \n",dev->name) ; break ; case 0x04: printk(KERN_WARNING "%s: Adapter must be open for this operation, doh!!\n",dev->name) ; break ; } /* switch srb[2] */ break ; /* SRB_READ_SR_COUNTERS - Read and reset the source routing bridge related counters */ case SRB_READ_SR_COUNTERS: switch (readb(srb+2)) { case 0x00: if (olympic_priv->olympic_message_level) printk(KERN_INFO "%s: Read Source Routing Counters issued\n",dev->name) ; break ; case 0x01: printk(KERN_WARNING "%s: Unrecognized srb command \n",dev->name) ; break ; case 0x04: printk(KERN_WARNING "%s: Adapter must be open for this operation, doh!!\n",dev->name) ; break ; default: break ; } /* switch srb[2] */ break ; default: printk(KERN_WARNING "%s: Unrecognized srb bh return value.\n",dev->name); break ; } /* switch srb[0] */ } static struct net_device_stats * olympic_get_stats(struct net_device *dev) { struct olympic_private *olympic_priv ; olympic_priv=(struct olympic_private *) dev->priv; return (struct net_device_stats *) &olympic_priv->olympic_stats; } static int olympic_set_mac_address (struct net_device *dev, void *addr) { struct sockaddr *saddr = addr ; struct olympic_private *olympic_priv = (struct olympic_private *)dev->priv ; if (netif_running(dev)) { printk(KERN_WARNING "%s: Cannot set mac/laa address while card is open\n", dev->name) ; return -EIO ; } memcpy(olympic_priv->olympic_laa, saddr->sa_data,dev->addr_len) ; if (olympic_priv->olympic_message_level) { printk(KERN_INFO "%s: MAC/LAA Set to = %x.%x.%x.%x.%x.%x\n",dev->name, olympic_priv->olympic_laa[0], olympic_priv->olympic_laa[1], olympic_priv->olympic_laa[2], olympic_priv->olympic_laa[3], olympic_priv->olympic_laa[4], olympic_priv->olympic_laa[5]); } return 0 ; } static void olympic_arb_cmd(struct net_device *dev) { struct olympic_private *olympic_priv = (struct olympic_private *) dev->priv; u8 __iomem *olympic_mmio=olympic_priv->olympic_mmio; u8 __iomem *arb_block, *asb_block, *srb ; u8 header_len ; u16 frame_len, buffer_len ; struct sk_buff *mac_frame ; u8 __iomem *buf_ptr ; u8 __iomem *frame_data ; u16 buff_off ; u16 lan_status = 0, lan_status_diff ; /* Initialize to stop compiler warning */ u8 fdx_prot_error ; u16 next_ptr; arb_block = (olympic_priv->olympic_lap + olympic_priv->arb) ; asb_block = (olympic_priv->olympic_lap + olympic_priv->asb) ; srb = (olympic_priv->olympic_lap + olympic_priv->srb) ; if (readb(arb_block+0) == ARB_RECEIVE_DATA) { /* Receive.data, MAC frames */ header_len = readb(arb_block+8) ; /* 802.5 Token-Ring Header Length */ frame_len = swab16(readw(arb_block + 10)) ; buff_off = swab16(readw(arb_block + 6)) ; buf_ptr = olympic_priv->olympic_lap + buff_off ; #if OLYMPIC_DEBUG { int i; frame_data = buf_ptr+offsetof(struct mac_receive_buffer,frame_data) ; for (i=0 ; i < 14 ; i++) { printk("Loc %d = %02x\n",i,readb(frame_data + i)); } printk("next %04x, fs %02x, len %04x \n",readw(buf_ptr+offsetof(struct mac_receive_buffer,next)), readb(buf_ptr+offsetof(struct mac_receive_buffer,frame_status)), readw(buf_ptr+offsetof(struct mac_receive_buffer,buffer_length))); } #endif mac_frame = dev_alloc_skb(frame_len) ; if (!mac_frame) { printk(KERN_WARNING "%s: Memory squeeze, dropping frame.\n", dev->name); goto drop_frame; } /* Walk the buffer chain, creating the frame */ do { frame_data = buf_ptr+offsetof(struct mac_receive_buffer,frame_data) ; buffer_len = swab16(readw(buf_ptr+offsetof(struct mac_receive_buffer,buffer_length))); memcpy_fromio(skb_put(mac_frame, buffer_len), frame_data , buffer_len ) ; next_ptr=readw(buf_ptr+offsetof(struct mac_receive_buffer,next)); } while (next_ptr && (buf_ptr=olympic_priv->olympic_lap + ntohs(next_ptr))); mac_frame->protocol = tr_type_trans(mac_frame, dev); if (olympic_priv->olympic_network_monitor) { struct trh_hdr *mac_hdr ; printk(KERN_WARNING "%s: Received MAC Frame, details: \n",dev->name) ; mac_hdr = tr_hdr(mac_frame); printk(KERN_WARNING "%s: MAC Frame Dest. Addr: %02x:%02x:%02x:%02x:%02x:%02x \n", dev->name , mac_hdr->daddr[0], mac_hdr->daddr[1], mac_hdr->daddr[2], mac_hdr->daddr[3], mac_hdr->daddr[4], mac_hdr->daddr[5]) ; printk(KERN_WARNING "%s: MAC Frame Srce. Addr: %02x:%02x:%02x:%02x:%02x:%02x \n", dev->name , mac_hdr->saddr[0], mac_hdr->saddr[1], mac_hdr->saddr[2], mac_hdr->saddr[3], mac_hdr->saddr[4], mac_hdr->saddr[5]) ; } netif_rx(mac_frame); dev->last_rx = jiffies; drop_frame: /* Now tell the card we have dealt with the received frame */ /* Set LISR Bit 1 */ writel(LISR_ARB_FREE,olympic_priv->olympic_mmio + LISR_SUM); /* Is the ASB free ? */ if (readb(asb_block + 2) != 0xff) { olympic_priv->asb_queued = 1 ; writel(LISR_ASB_FREE_REQ,olympic_priv->olympic_mmio+LISR_SUM); return ; /* Drop out and wait for the bottom half to be run */ } writeb(ASB_RECEIVE_DATA,asb_block); /* Receive data */ writeb(OLYMPIC_CLEAR_RET_CODE,asb_block+2); /* Necessary ?? */ writeb(readb(arb_block+6),asb_block+6); /* Must send the address back to the adapter */ writeb(readb(arb_block+7),asb_block+7); /* To let it know we have dealt with the data */ writel(LISR_ASB_REPLY | LISR_ASB_FREE_REQ,olympic_priv->olympic_mmio+LISR_SUM); olympic_priv->asb_queued = 2 ; return ; } else if (readb(arb_block) == ARB_LAN_CHANGE_STATUS) { /* Lan.change.status */ lan_status = swab16(readw(arb_block+6)); fdx_prot_error = readb(arb_block+8) ; /* Issue ARB Free */ writel(LISR_ARB_FREE,olympic_priv->olympic_mmio+LISR_SUM); lan_status_diff = olympic_priv->olympic_lan_status ^ lan_status ; if (lan_status_diff & (LSC_LWF | LSC_ARW | LSC_FPE | LSC_RR) ) { if (lan_status_diff & LSC_LWF) printk(KERN_WARNING "%s: Short circuit detected on the lobe\n",dev->name); if (lan_status_diff & LSC_ARW) printk(KERN_WARNING "%s: Auto removal error\n",dev->name); if (lan_status_diff & LSC_FPE) printk(KERN_WARNING "%s: FDX Protocol Error\n",dev->name); if (lan_status_diff & LSC_RR) printk(KERN_WARNING "%s: Force remove MAC frame received\n",dev->name); /* Adapter has been closed by the hardware */ /* reset tx/rx fifo's and busmaster logic */ writel(readl(olympic_mmio+BCTL)|(3<<13),olympic_mmio+BCTL); udelay(1); writel(readl(olympic_mmio+BCTL)&~(3<<13),olympic_mmio+BCTL); netif_stop_queue(dev); olympic_priv->srb = readw(olympic_priv->olympic_lap + LAPWWO) ; printk(KERN_WARNING "%s: Adapter has been closed \n", dev->name) ; } /* If serious error */ if (olympic_priv->olympic_message_level) { if (lan_status_diff & LSC_SIG_LOSS) printk(KERN_WARNING "%s: No receive signal detected \n", dev->name) ; if (lan_status_diff & LSC_HARD_ERR) printk(KERN_INFO "%s: Beaconing \n",dev->name); if (lan_status_diff & LSC_SOFT_ERR) printk(KERN_WARNING "%s: Adapter transmitted Soft Error Report Mac Frame \n",dev->name); if (lan_status_diff & LSC_TRAN_BCN) printk(KERN_INFO "%s: We are tranmitting the beacon, aaah\n",dev->name); if (lan_status_diff & LSC_SS) printk(KERN_INFO "%s: Single Station on the ring \n", dev->name); if (lan_status_diff & LSC_RING_REC) printk(KERN_INFO "%s: Ring recovery ongoing\n",dev->name); if (lan_status_diff & LSC_FDX_MODE) printk(KERN_INFO "%s: Operating in FDX mode\n",dev->name); } if (lan_status_diff & LSC_CO) { if (olympic_priv->olympic_message_level) printk(KERN_INFO "%s: Counter Overflow \n", dev->name); /* Issue READ.LOG command */ writeb(SRB_READ_LOG, srb); writeb(0,srb+1); writeb(OLYMPIC_CLEAR_RET_CODE,srb+2); writeb(0,srb+3); writeb(0,srb+4); writeb(0,srb+5); olympic_priv->srb_queued=2; /* Can't sleep, use srb_bh */ writel(LISR_SRB_CMD,olympic_mmio+LISR_SUM); } if (lan_status_diff & LSC_SR_CO) { if (olympic_priv->olympic_message_level) printk(KERN_INFO "%s: Source routing counters overflow\n", dev->name); /* Issue a READ.SR.COUNTERS */ writeb(SRB_READ_SR_COUNTERS,srb); writeb(0,srb+1); writeb(OLYMPIC_CLEAR_RET_CODE,srb+2); writeb(0,srb+3); olympic_priv->srb_queued=2; /* Can't sleep, use srb_bh */ writel(LISR_SRB_CMD,olympic_mmio+LISR_SUM); } olympic_priv->olympic_lan_status = lan_status ; } /* Lan.change.status */ else printk(KERN_WARNING "%s: Unknown arb command \n", dev->name); } static void olympic_asb_bh(struct net_device *dev) { struct olympic_private *olympic_priv = (struct olympic_private *) dev->priv ; u8 __iomem *arb_block, *asb_block ; arb_block = (olympic_priv->olympic_lap + olympic_priv->arb) ; asb_block = (olympic_priv->olympic_lap + olympic_priv->asb) ; if (olympic_priv->asb_queued == 1) { /* Dropped through the first time */ writeb(ASB_RECEIVE_DATA,asb_block); /* Receive data */ writeb(OLYMPIC_CLEAR_RET_CODE,asb_block+2); /* Necessary ?? */ writeb(readb(arb_block+6),asb_block+6); /* Must send the address back to the adapter */ writeb(readb(arb_block+7),asb_block+7); /* To let it know we have dealt with the data */ writel(LISR_ASB_REPLY | LISR_ASB_FREE_REQ,olympic_priv->olympic_mmio+LISR_SUM); olympic_priv->asb_queued = 2 ; return ; } if (olympic_priv->asb_queued == 2) { switch (readb(asb_block+2)) { case 0x01: printk(KERN_WARNING "%s: Unrecognized command code \n", dev->name); break ; case 0x26: printk(KERN_WARNING "%s: Unrecognized buffer address \n", dev->name); break ; case 0xFF: /* Valid response, everything should be ok again */ break ; default: printk(KERN_WARNING "%s: Invalid return code in asb\n",dev->name); break ; } } olympic_priv->asb_queued = 0 ; } static int olympic_change_mtu(struct net_device *dev, int mtu) { struct olympic_private *olympic_priv = (struct olympic_private *) dev->priv; u16 max_mtu ; if (olympic_priv->olympic_ring_speed == 4) max_mtu = 4500 ; else max_mtu = 18000 ; if (mtu > max_mtu) return -EINVAL ; if (mtu < 100) return -EINVAL ; dev->mtu = mtu ; olympic_priv->pkt_buf_sz = mtu + TR_HLEN ; return 0 ; } static int olympic_proc_info(char *buffer, char **start, off_t offset, int length, int *eof, void *data) { struct net_device *dev = (struct net_device *)data ; struct olympic_private *olympic_priv=(struct olympic_private *)dev->priv; u8 __iomem *oat = (olympic_priv->olympic_lap + olympic_priv->olympic_addr_table_addr) ; u8 __iomem *opt = (olympic_priv->olympic_lap + olympic_priv->olympic_parms_addr) ; int size = 0 ; int len=0; off_t begin=0; off_t pos=0; size = sprintf(buffer, "IBM Pit/Pit-Phy/Olympic Chipset Token Ring Adapter %s\n",dev->name); size += sprintf(buffer+size, "\n%6s: Adapter Address : Node Address : Functional Addr\n", dev->name); size += sprintf(buffer+size, "%6s: %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x\n", dev->name, dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5], readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+1), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+2), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+3), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+4), readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+5), readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)), readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+1), readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+2), readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+3)); size += sprintf(buffer+size, "\n%6s: Token Ring Parameters Table:\n", dev->name); size += sprintf(buffer+size, "%6s: Physical Addr : Up Node Address : Poll Address : AccPri : Auth Src : Att Code :\n", dev->name) ; size += sprintf(buffer+size, "%6s: %02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x:%02x:%02x : %04x : %04x : %04x :\n", dev->name, readb(opt+offsetof(struct olympic_parameters_table, phys_addr)), readb(opt+offsetof(struct olympic_parameters_table, phys_addr)+1), readb(opt+offsetof(struct olympic_parameters_table, phys_addr)+2), readb(opt+offsetof(struct olympic_parameters_table, phys_addr)+3), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+1), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+2), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+3), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+4), readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+5), readb(opt+offsetof(struct olympic_parameters_table, poll_addr)), readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+1), readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+2), readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+3), readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+4), readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+5), swab16(readw(opt+offsetof(struct olympic_parameters_table, acc_priority))), swab16(readw(opt+offsetof(struct olympic_parameters_table, auth_source_class))), swab16(readw(opt+offsetof(struct olympic_parameters_table, att_code)))); size += sprintf(buffer+size, "%6s: Source Address : Bcn T : Maj. V : Lan St : Lcl Rg : Mon Err : Frame Correl : \n", dev->name) ; size += sprintf(buffer+size, "%6s: %02x:%02x:%02x:%02x:%02x:%02x : %04x : %04x : %04x : %04x : %04x : %04x : \n", dev->name, readb(opt+offsetof(struct olympic_parameters_table, source_addr)), readb(opt+offsetof(struct olympic_parameters_table, source_addr)+1), readb(opt+offsetof(struct olympic_parameters_table, source_addr)+2), readb(opt+offsetof(struct olympic_parameters_table, source_addr)+3), readb(opt+offsetof(struct olympic_parameters_table, source_addr)+4), readb(opt+offsetof(struct olympic_parameters_table, source_addr)+5), swab16(readw(opt+offsetof(struct olympic_parameters_table, beacon_type))), swab16(readw(opt+offsetof(struct olympic_parameters_table, major_vector))), swab16(readw(opt+offsetof(struct olympic_parameters_table, lan_status))), swab16(readw(opt+offsetof(struct olympic_parameters_table, local_ring))), swab16(readw(opt+offsetof(struct olympic_parameters_table, mon_error))), swab16(readw(opt+offsetof(struct olympic_parameters_table, frame_correl)))); size += sprintf(buffer+size, "%6s: Beacon Details : Tx : Rx : NAUN Node Address : NAUN Node Phys : \n", dev->name) ; size += sprintf(buffer+size, "%6s: : %02x : %02x : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x : \n", dev->name, swab16(readw(opt+offsetof(struct olympic_parameters_table, beacon_transmit))), swab16(readw(opt+offsetof(struct olympic_parameters_table, beacon_receive))), readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)), readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+1), readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+2), readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+3), readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+4), readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+5), readb(opt+offsetof(struct olympic_parameters_table, beacon_phys)), readb(opt+offsetof(struct olympic_parameters_table, beacon_phys)+1), readb(opt+offsetof(struct olympic_parameters_table, beacon_phys)+2), readb(opt+offsetof(struct olympic_parameters_table, beacon_phys)+3)); len=size; pos=begin+size; if (pos<offset) { len=0; begin=pos; } *start=buffer+(offset-begin); /* Start of wanted data */ len-=(offset-begin); /* Start slop */ if(len>length) len=length; /* Ending slop */ return len; } static void __devexit olympic_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev) ; struct olympic_private *olympic_priv=(struct olympic_private *)dev->priv; if (olympic_priv->olympic_network_monitor) { char proc_name[20] ; strcpy(proc_name,"net/olympic_") ; strcat(proc_name,dev->name) ; remove_proc_entry(proc_name,NULL); } unregister_netdev(dev) ; iounmap(olympic_priv->olympic_mmio) ; iounmap(olympic_priv->olympic_lap) ; pci_release_regions(pdev) ; pci_set_drvdata(pdev,NULL) ; free_netdev(dev) ; } static struct pci_driver olympic_driver = { .name = "olympic", .id_table = olympic_pci_tbl, .probe = olympic_probe, .remove = __devexit_p(olympic_remove_one), }; static int __init olympic_pci_init(void) { return pci_register_driver(&olympic_driver) ; } static void __exit olympic_pci_cleanup(void) { pci_unregister_driver(&olympic_driver) ; } module_init(olympic_pci_init) ; module_exit(olympic_pci_cleanup) ; MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-09 18:06:09 -0400