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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 Elliott13 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 Elliott13 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 Elliott14 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 Erickson12 years
wip-dissipation2-jericksoUpdate 2.6.36 to 2.6.36.4Jeremy Erickson12 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 Elliott15 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 Elliott12 years
wip-ikglpMove RSM and IKGLP imp. to own .c filesGlenn Elliott14 years
wip-k-fmlpMerge branch 'mpi-master' into wip-k-fmlpGlenn Elliott14 years
wip-kernel-coloringAdded recolor syscallNamhoon Kim8 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 Herman13 years
wip-mc-bipasaMC-EDF addedbipasa chattopadhyay14 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 Ward13 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 Elliott15 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 Bastoni16 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. Brandenburg15 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
v2.6.34-rc7commit b57f95a382...Linus Torvalds15 years
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v2.6.33.3commit 3e7ad8ed97...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 2025-10-15 17:49:40 -0400
class="hl opt">] ^ rxb); yp->rx_buf[yp->rx_len++] = rxb; } } /******************************************************************************** * TX Section ********************************************************************************/ static void ptt_on(struct net_device *dev) { outb(PTT_ON, MCR(dev->base_addr)); } static void ptt_off(struct net_device *dev) { outb(PTT_OFF, MCR(dev->base_addr)); } static int yam_send_packet(struct sk_buff *skb, struct net_device *dev) { struct yam_port *yp = netdev_priv(dev); skb_queue_tail(&yp->send_queue, skb); dev->trans_start = jiffies; return 0; } static void yam_start_tx(struct net_device *dev, struct yam_port *yp) { if ((yp->tx_state == TX_TAIL) || (yp->txd == 0)) yp->tx_count = 1; else yp->tx_count = (yp->bitrate * yp->txd) / 8000; yp->tx_state = TX_HEAD; ptt_on(dev); } static unsigned short random_seed; static inline unsigned short random_num(void) { random_seed = 28629 * random_seed + 157; return random_seed; } static void yam_arbitrate(struct net_device *dev) { struct yam_port *yp = netdev_priv(dev); if (yp->magic != YAM_MAGIC || yp->tx_state != TX_OFF || skb_queue_empty(&yp->send_queue)) return; /* tx_state is TX_OFF and there is data to send */ if (yp->dupmode) { /* Full duplex mode, don't wait */ yam_start_tx(dev, yp); return; } if (yp->dcd) { /* DCD on, wait slotime ... */ yp->slotcnt = yp->slot / 10; return; } /* Is slottime passed ? */ if ((--yp->slotcnt) > 0) return; yp->slotcnt = yp->slot / 10; /* is random > persist ? */ if ((random_num() % 256) > yp->pers) return; yam_start_tx(dev, yp); } static void yam_dotimer(unsigned long dummy) { int i; for (i = 0; i < NR_PORTS; i++) { struct net_device *dev = yam_devs[i]; if (dev && netif_running(dev)) yam_arbitrate(dev); } yam_timer.expires = jiffies + HZ / 100; add_timer(&yam_timer); } static void yam_tx_byte(struct net_device *dev, struct yam_port *yp) { struct sk_buff *skb; unsigned char b, temp; switch (yp->tx_state) { case TX_OFF: break; case TX_HEAD: if (--yp->tx_count <= 0) { if (!(skb = skb_dequeue(&yp->send_queue))) { ptt_off(dev); yp->tx_state = TX_OFF; break; } yp->tx_state = TX_DATA; if (skb->data[0] != 0) { /* do_kiss_params(s, skb->data, skb->len); */ dev_kfree_skb_any(skb); break; } yp->tx_len = skb->len - 1; /* strip KISS byte */ if (yp->tx_len >= YAM_MAX_FRAME || yp->tx_len < 2) { dev_kfree_skb_any(skb); break; } memcpy(yp->tx_buf, skb->data + 1, yp->tx_len); dev_kfree_skb_any(skb); yp->tx_count = 0; yp->tx_crcl = 0x21; yp->tx_crch = 0xf3; yp->tx_state = TX_DATA; } break; case TX_DATA: b = yp->tx_buf[yp->tx_count++]; outb(b, THR(dev->base_addr)); temp = yp->tx_crcl; yp->tx_crcl = chktabl[temp] ^ yp->tx_crch; yp->tx_crch = chktabh[temp] ^ b; if (yp->tx_count >= yp->tx_len) { yp->tx_state = TX_CRC1; } break; case TX_CRC1: yp->tx_crch = chktabl[yp->tx_crcl] ^ yp->tx_crch; yp->tx_crcl = chktabh[yp->tx_crcl] ^ chktabl[yp->tx_crch] ^ 0xff; outb(yp->tx_crcl, THR(dev->base_addr)); yp->tx_state = TX_CRC2; break; case TX_CRC2: outb(chktabh[yp->tx_crch] ^ 0xFF, THR(dev->base_addr)); if (skb_queue_empty(&yp->send_queue)) { yp->tx_count = (yp->bitrate * yp->txtail) / 8000; if (yp->dupmode == 2) yp->tx_count += (yp->bitrate * yp->holdd) / 8; if (yp->tx_count == 0) yp->tx_count = 1; yp->tx_state = TX_TAIL; } else { yp->tx_count = 1; yp->tx_state = TX_HEAD; } ++yp->stats.tx_packets; break; case TX_TAIL: if (--yp->tx_count <= 0) { yp->tx_state = TX_OFF; ptt_off(dev); } break; } } /*********************************************************************************** * ISR routine ************************************************************************************/ static irqreturn_t yam_interrupt(int irq, void *dev_id, struct pt_regs *regs) { struct net_device *dev; struct yam_port *yp; unsigned char iir; int counter = 100; int i; int handled = 0; for (i = 0; i < NR_PORTS; i++) { dev = yam_devs[i]; yp = netdev_priv(dev); if (!netif_running(dev)) continue; while ((iir = IIR_MASK & inb(IIR(dev->base_addr))) != IIR_NOPEND) { unsigned char msr = inb(MSR(dev->base_addr)); unsigned char lsr = inb(LSR(dev->base_addr)); unsigned char rxb; handled = 1; if (lsr & LSR_OE) ++yp->stats.rx_fifo_errors; yp->dcd = (msr & RX_DCD) ? 1 : 0; if (--counter <= 0) { printk(KERN_ERR "%s: too many irq iir=%d\n", dev->name, iir); goto out; } if (msr & TX_RDY) { ++yp->nb_mdint; yam_tx_byte(dev, yp); } if (lsr & LSR_RXC) { ++yp->nb_rxint; rxb = inb(RBR(dev->base_addr)); if (msr & RX_FLAG) yam_rx_flag(dev, yp); else yam_rx_byte(dev, yp, rxb); } } } out: return IRQ_RETVAL(handled); } #ifdef CONFIG_PROC_FS static void *yam_seq_start(struct seq_file *seq, loff_t *pos) { return (*pos < NR_PORTS) ? yam_devs[*pos] : NULL; } static void *yam_seq_next(struct seq_file *seq, void *v, loff_t *pos) { ++*pos; return (*pos < NR_PORTS) ? yam_devs[*pos] : NULL; } static void yam_seq_stop(struct seq_file *seq, void *v) { } static int yam_seq_show(struct seq_file *seq, void *v) { struct net_device *dev = v; const struct yam_port *yp = netdev_priv(dev); seq_printf(seq, "Device %s\n", dev->name); seq_printf(seq, " Up %d\n", netif_running(dev)); seq_printf(seq, " Speed %u\n", yp->bitrate); seq_printf(seq, " IoBase 0x%x\n", yp->iobase); seq_printf(seq, " BaudRate %u\n", yp->baudrate); seq_printf(seq, " IRQ %u\n", yp->irq); seq_printf(seq, " TxState %u\n", yp->tx_state); seq_printf(seq, " Duplex %u\n", yp->dupmode); seq_printf(seq, " HoldDly %u\n", yp->holdd); seq_printf(seq, " TxDelay %u\n", yp->txd); seq_printf(seq, " TxTail %u\n", yp->txtail); seq_printf(seq, " SlotTime %u\n", yp->slot); seq_printf(seq, " Persist %u\n", yp->pers); seq_printf(seq, " TxFrames %lu\n", yp->stats.tx_packets); seq_printf(seq, " RxFrames %lu\n", yp->stats.rx_packets); seq_printf(seq, " TxInt %u\n", yp->nb_mdint); seq_printf(seq, " RxInt %u\n", yp->nb_rxint); seq_printf(seq, " RxOver %lu\n", yp->stats.rx_fifo_errors); seq_printf(seq, "\n"); return 0; } static struct seq_operations yam_seqops = { .start = yam_seq_start, .next = yam_seq_next, .stop = yam_seq_stop, .show = yam_seq_show, }; static int yam_info_open(struct inode *inode, struct file *file) { return seq_open(file, &yam_seqops); } static struct file_operations yam_info_fops = { .owner = THIS_MODULE, .open = yam_info_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release, }; #endif /* --------------------------------------------------------------------- */ static struct net_device_stats *yam_get_stats(struct net_device *dev) { struct yam_port *yp; if (!dev) return NULL; yp = netdev_priv(dev); if (yp->magic != YAM_MAGIC) return NULL; /* * Get the current statistics. This may be called with the * card open or closed. */ return &yp->stats; } /* --------------------------------------------------------------------- */ static int yam_open(struct net_device *dev) { struct yam_port *yp = netdev_priv(dev); enum uart u; int i; int ret=0; printk(KERN_INFO "Trying %s at iobase 0x%lx irq %u\n", dev->name, dev->base_addr, dev->irq); if (!dev || !yp->bitrate) return -ENXIO; if (!dev->base_addr || dev->base_addr > 0x1000 - YAM_EXTENT || dev->irq < 2 || dev->irq > 15) { return -ENXIO; } if (!request_region(dev->base_addr, YAM_EXTENT, dev->name)) { printk(KERN_ERR "%s: cannot 0x%lx busy\n", dev->name, dev->base_addr); return -EACCES; } if ((u = yam_check_uart(dev->base_addr)) == c_uart_unknown) { printk(KERN_ERR "%s: cannot find uart type\n", dev->name); ret = -EIO; goto out_release_base; } if (fpga_download(dev->base_addr, yp->bitrate)) { printk(KERN_ERR "%s: cannot init FPGA\n", dev->name); ret = -EIO; goto out_release_base; } outb(0, IER(dev->base_addr)); if (request_irq(dev->irq, yam_interrupt, SA_INTERRUPT | SA_SHIRQ, dev->name, dev)) { printk(KERN_ERR "%s: irq %d busy\n", dev->name, dev->irq); ret = -EBUSY; goto out_release_base; } yam_set_uart(dev); netif_start_queue(dev); yp->slotcnt = yp->slot / 10; /* Reset overruns for all ports - FPGA programming makes overruns */ for (i = 0; i < NR_PORTS; i++) { struct net_device *dev = yam_devs[i]; struct yam_port *yp = netdev_priv(dev); inb(LSR(dev->base_addr)); yp->stats.rx_fifo_errors = 0; } printk(KERN_INFO "%s at iobase 0x%lx irq %u uart %s\n", dev->name, dev->base_addr, dev->irq, uart_str[u]); return 0; out_release_base: release_region(dev->base_addr, YAM_EXTENT); return ret; } /* --------------------------------------------------------------------- */ static int yam_close(struct net_device *dev) { struct sk_buff *skb; struct yam_port *yp = netdev_priv(dev); if (!dev) return -EINVAL; /* * disable interrupts */ outb(0, IER(dev->base_addr)); outb(1, MCR(dev->base_addr)); /* Remove IRQ handler if last */ free_irq(dev->irq,dev); release_region(dev->base_addr, YAM_EXTENT); netif_stop_queue(dev); while ((skb = skb_dequeue(&yp->send_queue))) dev_kfree_skb(skb); printk(KERN_INFO "%s: close yam at iobase 0x%lx irq %u\n", yam_drvname, dev->base_addr, dev->irq); return 0; } /* --------------------------------------------------------------------- */ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { struct yam_port *yp = netdev_priv(dev); struct yamdrv_ioctl_cfg yi; struct yamdrv_ioctl_mcs *ym; int ioctl_cmd; if (copy_from_user(&ioctl_cmd, ifr->ifr_data, sizeof(int))) return -EFAULT;