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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...
IF_F_SCTP_CSUM */ "tx-checksum-sctp", /* NETIF_F_FCOE_MTU */ "fcoe-mtu", /* NETIF_F_NTUPLE */ "rx-ntuple-filter", /* NETIF_F_RXHASH */ "rx-hashing", /* NETIF_F_RXCSUM */ "rx-checksum", /* NETIF_F_NOCACHE_COPY */ "tx-nocache-copy", /* NETIF_F_LOOPBACK */ "loopback", }; static int __ethtool_get_sset_count(struct net_device *dev, int sset) { const struct ethtool_ops *ops = dev->ethtool_ops; if (sset == ETH_SS_FEATURES) return ARRAY_SIZE(netdev_features_strings); if (ops && ops->get_sset_count && ops->get_strings) return ops->get_sset_count(dev, sset); else return -EOPNOTSUPP; } static void __ethtool_get_strings(struct net_device *dev, u32 stringset, u8 *data) { const struct ethtool_ops *ops = dev->ethtool_ops; if (stringset == ETH_SS_FEATURES) memcpy(data, netdev_features_strings, sizeof(netdev_features_strings)); else /* ops->get_strings is valid because checked earlier */ ops->get_strings(dev, stringset, data); } static u32 ethtool_get_feature_mask(u32 eth_cmd) { /* feature masks of legacy discrete ethtool ops */ switch (eth_cmd) { case ETHTOOL_GTXCSUM: case ETHTOOL_STXCSUM: return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM; case ETHTOOL_GRXCSUM: case ETHTOOL_SRXCSUM: return NETIF_F_RXCSUM; case ETHTOOL_GSG: case ETHTOOL_SSG: return NETIF_F_SG; case ETHTOOL_GTSO: case ETHTOOL_STSO: return NETIF_F_ALL_TSO; case ETHTOOL_GUFO: case ETHTOOL_SUFO: return NETIF_F_UFO; case ETHTOOL_GGSO: case ETHTOOL_SGSO: return NETIF_F_GSO; case ETHTOOL_GGRO: case ETHTOOL_SGRO: return NETIF_F_GRO; default: BUG(); } } static void *__ethtool_get_one_feature_actor(struct net_device *dev, u32 ethcmd) { const struct ethtool_ops *ops = dev->ethtool_ops; if (!ops) return NULL; switch (ethcmd) { case ETHTOOL_GTXCSUM: return ops->get_tx_csum; case ETHTOOL_GRXCSUM: return ops->get_rx_csum; case ETHTOOL_SSG: return ops->get_sg; case ETHTOOL_STSO: return ops->get_tso; case ETHTOOL_SUFO: return ops->get_ufo; default: return NULL; } } static u32 __ethtool_get_rx_csum_oldbug(struct net_device *dev) { return !!(dev->features & NETIF_F_ALL_CSUM); } static int ethtool_get_one_feature(struct net_device *dev, char __user *useraddr, u32 ethcmd) { u32 mask = ethtool_get_feature_mask(ethcmd); struct ethtool_value edata = { .cmd = ethcmd, .data = !!(dev->features & mask), }; /* compatibility with discrete get_ ops */ if (!(dev->hw_features & mask)) { u32 (*actor)(struct net_device *); actor = __ethtool_get_one_feature_actor(dev, ethcmd); /* bug compatibility with old get_rx_csum */ if (ethcmd == ETHTOOL_GRXCSUM && !actor) actor = __ethtool_get_rx_csum_oldbug; if (actor) edata.data = actor(dev); } if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int __ethtool_set_tx_csum(struct net_device *dev, u32 data); static int __ethtool_set_rx_csum(struct net_device *dev, u32 data); static int __ethtool_set_sg(struct net_device *dev, u32 data); static int __ethtool_set_tso(struct net_device *dev, u32 data); static int __ethtool_set_ufo(struct net_device *dev, u32 data); static int ethtool_set_one_feature(struct net_device *dev, void __user *useraddr, u32 ethcmd) { struct ethtool_value edata; u32 mask; if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT; mask = ethtool_get_feature_mask(ethcmd); mask &= dev->hw_features; if (mask) { if (edata.data) dev->wanted_features |= mask; else dev->wanted_features &= ~mask; __netdev_update_features(dev); return 0; } /* Driver is not converted to ndo_fix_features or does not * support changing this offload. In the latter case it won't * have corresponding ethtool_ops field set. * * Following part is to be removed after all drivers advertise * their changeable features in netdev->hw_features and stop * using discrete offload setting ops. */ switch (ethcmd) { case ETHTOOL_STXCSUM: return __ethtool_set_tx_csum(dev, edata.data); case ETHTOOL_SRXCSUM: return __ethtool_set_rx_csum(dev, edata.data); case ETHTOOL_SSG: return __ethtool_set_sg(dev, edata.data); case ETHTOOL_STSO: return __ethtool_set_tso(dev, edata.data); case ETHTOOL_SUFO: return __ethtool_set_ufo(dev, edata.data); default: return -EOPNOTSUPP; } } int __ethtool_set_flags(struct net_device *dev, u32 data) { u32 changed; if (data & ~flags_dup_features) return -EINVAL; /* legacy set_flags() op */ if (dev->ethtool_ops->set_flags) { if (unlikely(dev->hw_features & flags_dup_features)) netdev_warn(dev, "driver BUG: mixed hw_features and set_flags()\n"); return dev->ethtool_ops->set_flags(dev, data); } /* allow changing only bits set in hw_features */ changed = (data ^ dev->features) & flags_dup_features; if (changed & ~dev->hw_features) return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP; dev->wanted_features = (dev->wanted_features & ~changed) | (data & dev->hw_features); __netdev_update_features(dev); return 0; } static int ethtool_get_settings(struct net_device *dev, void __user *useraddr) { struct ethtool_cmd cmd = { .cmd = ETHTOOL_GSET }; int err; if (!dev->ethtool_ops->get_settings) return -EOPNOTSUPP; err = dev->ethtool_ops->get_settings(dev, &cmd); if (err < 0) return err; if (copy_to_user(useraddr, &cmd, sizeof(cmd))) return -EFAULT; return 0; } static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) { struct ethtool_cmd cmd; if (!dev->ethtool_ops->set_settings) return -EOPNOTSUPP; if (copy_from_user(&cmd, useraddr, sizeof(cmd))) return -EFAULT; return dev->ethtool_ops->set_settings(dev, &cmd); } static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr) { struct ethtool_drvinfo info; const struct ethtool_ops *ops = dev->ethtool_ops; memset(&info, 0, sizeof(info)); info.cmd = ETHTOOL_GDRVINFO; if (ops && ops->get_drvinfo) { ops->get_drvinfo(dev, &info); } else if (dev->dev.parent && dev->dev.parent->driver) { strlcpy(info.bus_info, dev_name(dev->dev.parent), sizeof(info.bus_info)); strlcpy(info.driver, dev->dev.parent->driver->name, sizeof(info.driver)); } else { return -EOPNOTSUPP; } /* * this method of obtaining string set info is deprecated; * Use ETHTOOL_GSSET_INFO instead. */ if (ops && ops->get_sset_count) { int rc; rc = ops->get_sset_count(dev, ETH_SS_TEST); if (rc >= 0) info.testinfo_len = rc; rc = ops->get_sset_count(dev, ETH_SS_STATS); if (rc >= 0) info.n_stats = rc; rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS); if (rc >= 0) info.n_priv_flags = rc; } if (ops && ops->get_regs_len) info.regdump_len = ops->get_regs_len(dev); if (ops && ops->get_eeprom_len) info.eedump_len = ops->get_eeprom_len(dev); if (copy_to_user(useraddr, &info, sizeof(info))) return -EFAULT; return 0; } static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev, void __user *useraddr) { struct ethtool_sset_info info; u64 sset_mask; int i, idx = 0, n_bits = 0, ret, rc; u32 *info_buf = NULL; if (copy_from_user(&info, useraddr, sizeof(info))) return -EFAULT; /* store copy of mask, because we zero struct later on */ sset_mask = info.sset_mask; if (!sset_mask) return 0; /* calculate size of return buffer */ n_bits = hweight64(sset_mask); memset(&info, 0, sizeof(info)); info.cmd = ETHTOOL_GSSET_INFO; info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER); if (!info_buf) return -ENOMEM; /* * fill return buffer based on input bitmask and successful * get_sset_count return */ for (i = 0; i < 64; i++) { if (!(sset_mask & (1ULL << i))) continue; rc = __ethtool_get_sset_count(dev, i); if (rc >= 0) { info.sset_mask |= (1ULL << i); info_buf[idx++] = rc; } } ret = -EFAULT; if (copy_to_user(useraddr, &info, sizeof(info))) goto out; useraddr += offsetof(struct ethtool_sset_info, data); if (copy_to_user(useraddr, info_buf, idx * sizeof(u32))) goto out; ret = 0; out: kfree(info_buf); return ret; } static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, u32 cmd, void __user *useraddr) { struct ethtool_rxnfc info; size_t info_size = sizeof(info); if (!dev->ethtool_ops->set_rxnfc) return -EOPNOTSUPP; /* struct ethtool_rxnfc was originally defined for * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data * members. User-space might still be using that * definition. */ if (cmd == ETHTOOL_SRXFH) info_size = (offsetof(struct ethtool_rxnfc, data) + sizeof(info.data)); if (copy_from_user(&info, useraddr, info_size)) return -EFAULT; return dev->ethtool_ops->set_rxnfc(dev, &info); } static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, u32 cmd, void __user *useraddr) { struct ethtool_rxnfc info; size_t info_size = sizeof(info); const struct ethtool_ops *ops = dev->ethtool_ops; int ret; void *rule_buf = NULL; if (!ops->get_rxnfc) return -EOPNOTSUPP; /* struct ethtool_rxnfc was originally defined for * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data * members. User-space might still be using that * definition. */ if (cmd == ETHTOOL_GRXFH) info_size = (offsetof(struct ethtool_rxnfc, data) + sizeof(info.data)); if (copy_from_user(&info, useraddr, info_size)) return -EFAULT; if (info.cmd == ETHTOOL_GRXCLSRLALL) { if (info.rule_cnt > 0) { if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) rule_buf = kzalloc(info.rule_cnt * sizeof(u32), GFP_USER); if (!rule_buf) return -ENOMEM; } } ret = ops->get_rxnfc(dev, &info, rule_buf); if (ret < 0) goto err_out; ret = -EFAULT; if (copy_to_user(useraddr, &info, info_size)) goto err_out; if (rule_buf) { useraddr += offsetof(struct ethtool_rxnfc, rule_locs); if (copy_to_user(useraddr, rule_buf, info.rule_cnt * sizeof(u32))) goto err_out; } ret = 0; err_out: kfree(rule_buf); return ret; } static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev, void __user *useraddr) { struct ethtool_rxfh_indir *indir; u32 table_size; size_t full_size; int ret; if (!dev->ethtool_ops->get_rxfh_indir) return -EOPNOTSUPP; if (copy_from_user(&table_size, useraddr + offsetof(struct ethtool_rxfh_indir, size), sizeof(table_size))) return -EFAULT; if (table_size > (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index)) return -ENOMEM; full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size; indir = kzalloc(full_size, GFP_USER); if (!indir) return -ENOMEM; indir->cmd = ETHTOOL_GRXFHINDIR; indir->size = table_size; ret = dev->ethtool_ops->get_rxfh_indir(dev, indir); if (ret) goto out; if (copy_to_user(useraddr, indir, full_size)) ret = -EFAULT; out: kfree(indir); return ret; } static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev, void __user *useraddr) { struct ethtool_rxfh_indir *indir; u32 table_size; size_t full_size; int ret; if (!dev->ethtool_ops->set_rxfh_indir) return -EOPNOTSUPP; if (copy_from_user(&table_size, useraddr + offsetof(struct ethtool_rxfh_indir, size), sizeof(table_size))) return -EFAULT; if (table_size > (KMALLOC_MAX_SIZE - sizeof(*indir)) / sizeof(*indir->ring_index)) return -ENOMEM; full_size = sizeof(*indir) + sizeof(*indir->ring_index) * table_size; indir = kmalloc(full_size, GFP_USER); if (!indir) return -ENOMEM; if (copy_from_user(indir, useraddr, full_size)) { ret = -EFAULT; goto out; } ret = dev->ethtool_ops->set_rxfh_indir(dev, indir); out: kfree(indir); return ret; } static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list, struct ethtool_rx_ntuple_flow_spec *spec, struct ethtool_rx_ntuple_flow_spec_container *fsc) { /* don't add filters forever */ if (list->count >= ETHTOOL_MAX_NTUPLE_LIST_ENTRY) { /* free the container */ kfree(fsc); return; } /* Copy the whole filter over */ fsc->fs.flow_type = spec->flow_type; memcpy(&fsc->fs.h_u, &spec->h_u, sizeof(spec->h_u)); memcpy(&fsc->fs.m_u, &spec->m_u, sizeof(spec->m_u)); fsc->fs.vlan_tag = spec->vlan_tag; fsc->fs.vlan_tag_mask = spec->vlan_tag_mask; fsc->fs.data = spec->data; fsc->fs.data_mask = spec->data_mask; fsc->fs.action = spec->action; /* add to the list */ list_add_tail_rcu(&fsc->list, &list->list); list->count++; } /* * ethtool does not (or did not) set masks for flow parameters that are * not specified, so if both value and mask are 0 then this must be * treated as equivalent to a mask with all bits set. Implement that * here rather than in drivers. */ static void rx_ntuple_fix_masks(struct ethtool_rx_ntuple_flow_spec *fs) { struct ethtool_tcpip4_spec *entry = &fs->h_u.tcp_ip4_spec; struct ethtool_tcpip4_spec *mask = &fs->m_u.tcp_ip4_spec; if (fs->flow_type != TCP_V4_FLOW && fs->flow_type != UDP_V4_FLOW && fs->flow_type != SCTP_V4_FLOW) return; if (!(entry->ip4src | mask->ip4src)) mask->ip4src = htonl(0xffffffff); if (!(entry->ip4dst | mask->ip4dst)) mask->ip4dst = htonl(0xffffffff); if (!(entry->psrc | mask->psrc)) mask->psrc = htons(0xffff); if (!(entry->pdst | mask->pdst)) mask->pdst = htons(0xffff); if (!(entry->tos | mask->tos)) mask->tos = 0xff; if (!(fs->vlan_tag | fs->vlan_tag_mask)) fs->vlan_tag_mask = 0xffff; if (!(fs->data | fs->data_mask)) fs->data_mask = 0xffffffffffffffffULL; } static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev, void __user *useraddr) { struct ethtool_rx_ntuple cmd; const struct ethtool_ops *ops = dev->ethtool_ops; struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL; int ret; if (!ops->set_rx_ntuple) return -EOPNOTSUPP; if (!(dev->features & NETIF_F_NTUPLE)) return -EINVAL; if (copy_from_user(&cmd, useraddr, sizeof(cmd))) return -EFAULT; rx_ntuple_fix_masks(&cmd.fs); /* * Cache filter in dev struct for GET operation only if * the underlying driver doesn't have its own GET operation, and * only if the filter was added successfully. First make sure we * can allocate the filter, then continue if successful. */ if (!ops->get_rx_ntuple) { fsc = kmalloc(sizeof(*fsc), GFP_ATOMIC); if (!fsc) return -ENOMEM; } ret = ops->set_rx_ntuple(dev, &cmd); if (ret) { kfree(fsc); return ret; } if (!ops->get_rx_ntuple) __rx_ntuple_filter_add(&dev->ethtool_ntuple_list, &cmd.fs, fsc); return ret; } static int ethtool_get_rx_ntuple(struct net_device *dev, void __user *useraddr) { struct ethtool_gstrings gstrings; const struct ethtool_ops *ops = dev->ethtool_ops; struct ethtool_rx_ntuple_flow_spec_container *fsc; u8 *data; char *p; int ret, i, num_strings = 0; if (!ops->get_sset_count) return -EOPNOTSUPP; if (copy_from_user(&gstrings, useraddr, sizeof(gstrings))) return -EFAULT; ret = ops->get_sset_count(dev, gstrings.string_set); if (ret < 0) return ret; gstrings.len = ret; data = kzalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER); if (!data) return -ENOMEM; if (ops->get_rx_ntuple) { /* driver-specific filter grab */ ret = ops->get_rx_ntuple(dev, gstrings.string_set, data); goto copy; } /* default ethtool filter grab */ i = 0; p = (char *)data; list_for_each_entry(fsc, &dev->ethtool_ntuple_list.list, list) { sprintf(p, "Filter %d:\n", i); p += ETH_GSTRING_LEN; num_strings++; switch (fsc->fs.flow_type) { case TCP_V4_FLOW: sprintf(p, "\tFlow Type: TCP\n"); p += ETH_GSTRING_LEN; num_strings++; break; case UDP_V4_FLOW: sprintf(p, "\tFlow Type: UDP\n"); p += ETH_GSTRING_LEN; num_strings++; break; case SCTP_V4_FLOW: sprintf(p, "\tFlow Type: SCTP\n"); p += ETH_GSTRING_LEN; num_strings++; break; case AH_ESP_V4_FLOW: sprintf(p, "\tFlow Type: AH ESP\n"); p += ETH_GSTRING_LEN; num_strings++; break; case ESP_V4_FLOW: sprintf(p, "\tFlow Type: ESP\n"); p += ETH_GSTRING_LEN; num_strings++; break; case IP_USER_FLOW: sprintf(p, "\tFlow Type: Raw IP\n"); p += ETH_GSTRING_LEN; num_strings++; break; case IPV4_FLOW: sprintf(p, "\tFlow Type: IPv4\n"); p += ETH_GSTRING_LEN; num_strings++; break; default: sprintf(p, "\tFlow Type: Unknown\n"); p += ETH_GSTRING_LEN; num_strings++; goto unknown_filter; } /* now the rest of the filters */ switch (fsc->fs.flow_type) { case TCP_V4_FLOW: case UDP_V4_FLOW: case SCTP_V4_FLOW: sprintf(p, "\tSrc IP addr: 0x%x\n", fsc->fs.h_u.tcp_ip4_spec.ip4src); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tSrc IP mask: 0x%x\n", fsc->fs.m_u.tcp_ip4_spec.ip4src); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest IP addr: 0x%x\n", fsc->fs.h_u.tcp_ip4_spec.ip4dst); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest IP mask: 0x%x\n", fsc->fs.m_u.tcp_ip4_spec.ip4dst); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tSrc Port: %d, mask: 0x%x\n", fsc->fs.h_u.tcp_ip4_spec.psrc, fsc->fs.m_u.tcp_ip4_spec.psrc); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest Port: %d, mask: 0x%x\n", fsc->fs.h_u.tcp_ip4_spec.pdst, fsc->fs.m_u.tcp_ip4_spec.pdst); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tTOS: %d, mask: 0x%x\n", fsc->fs.h_u.tcp_ip4_spec.tos, fsc->fs.m_u.tcp_ip4_spec.tos); p += ETH_GSTRING_LEN; num_strings++; break; case AH_ESP_V4_FLOW: case ESP_V4_FLOW: sprintf(p, "\tSrc IP addr: 0x%x\n", fsc->fs.h_u.ah_ip4_spec.ip4src); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tSrc IP mask: 0x%x\n", fsc->fs.m_u.ah_ip4_spec.ip4src); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest IP addr: 0x%x\n", fsc->fs.h_u.ah_ip4_spec.ip4dst); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest IP mask: 0x%x\n", fsc->fs.m_u.ah_ip4_spec.ip4dst); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tSPI: %d, mask: 0x%x\n", fsc->fs.h_u.ah_ip4_spec.spi, fsc->fs.m_u.ah_ip4_spec.spi); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tTOS: %d, mask: 0x%x\n", fsc->fs.h_u.ah_ip4_spec.tos, fsc->fs.m_u.ah_ip4_spec.tos); p += ETH_GSTRING_LEN; num_strings++; break; case IP_USER_FLOW: sprintf(p, "\tSrc IP addr: 0x%x\n", fsc->fs.h_u.usr_ip4_spec.ip4src); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tSrc IP mask: 0x%x\n", fsc->fs.m_u.usr_ip4_spec.ip4src); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest IP addr: 0x%x\n", fsc->fs.h_u.usr_ip4_spec.ip4dst); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest IP mask: 0x%x\n", fsc->fs.m_u.usr_ip4_spec.ip4dst); p += ETH_GSTRING_LEN; num_strings++; break; case IPV4_FLOW: sprintf(p, "\tSrc IP addr: 0x%x\n", fsc->fs.h_u.usr_ip4_spec.ip4src); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tSrc IP mask: 0x%x\n", fsc->fs.m_u.usr_ip4_spec.ip4src); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest IP addr: 0x%x\n", fsc->fs.h_u.usr_ip4_spec.ip4dst); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tDest IP mask: 0x%x\n", fsc->fs.m_u.usr_ip4_spec.ip4dst); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tL4 bytes: 0x%x, mask: 0x%x\n", fsc->fs.h_u.usr_ip4_spec.l4_4_bytes, fsc->fs.m_u.usr_ip4_spec.l4_4_bytes); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tTOS: %d, mask: 0x%x\n", fsc->fs.h_u.usr_ip4_spec.tos, fsc->fs.m_u.usr_ip4_spec.tos); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tIP Version: %d, mask: 0x%x\n", fsc->fs.h_u.usr_ip4_spec.ip_ver, fsc->fs.m_u.usr_ip4_spec.ip_ver); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tProtocol: %d, mask: 0x%x\n", fsc->fs.h_u.usr_ip4_spec.proto, fsc->fs.m_u.usr_ip4_spec.proto); p += ETH_GSTRING_LEN; num_strings++; break; } sprintf(p, "\tVLAN: %d, mask: 0x%x\n", fsc->fs.vlan_tag, fsc->fs.vlan_tag_mask); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tUser-defined: 0x%Lx\n", fsc->fs.data); p += ETH_GSTRING_LEN; num_strings++; sprintf(p, "\tUser-defined mask: 0x%Lx\n", fsc->fs.data_mask); p += ETH_GSTRING_LEN; num_strings++; if (fsc->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP) sprintf(p, "\tAction: Drop\n"); else sprintf(p, "\tAction: Direct to queue %d\n", fsc->fs.action); p += ETH_GSTRING_LEN; num_strings++; unknown_filter: i++; } copy: /* indicate to userspace how many strings we actually have */ gstrings.len = num_strings; ret = -EFAULT; if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) goto out; useraddr += sizeof(gstrings); if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN)) goto out; ret = 0; out: kfree(data); return ret; } static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) { struct ethtool_regs regs; const struct ethtool_ops *ops = dev->ethtool_ops; void *regbuf; int reglen, ret; if (!ops->get_regs || !ops->get_regs_len) return -EOPNOTSUPP; if (copy_from_user(&regs, useraddr, sizeof(regs))) return -EFAULT; reglen = ops->get_regs_len(dev); if (regs.len > reglen) regs.len = reglen; regbuf = vzalloc(reglen); if (!regbuf) return -ENOMEM; ops->get_regs(dev, &regs, regbuf); ret = -EFAULT; if (copy_to_user(useraddr, &regs, sizeof(regs))) goto out; useraddr += offsetof(struct ethtool_regs, data); if (copy_to_user(useraddr, regbuf, regs.len)) goto out; ret = 0; out: vfree(regbuf); return ret; } static int ethtool_reset(struct net_device *dev, char __user *useraddr) { struct ethtool_value reset; int ret; if (!dev->ethtool_ops->reset) return -EOPNOTSUPP; if (copy_from_user(&reset, useraddr, sizeof(reset))) return -EFAULT; ret = dev->ethtool_ops->reset(dev, &reset.data); if (ret) return ret; if (copy_to_user(useraddr, &reset, sizeof(reset))) return -EFAULT; return 0; } static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) { struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; if (!dev->ethtool_ops->get_wol) return -EOPNOTSUPP; dev->ethtool_ops->get_wol(dev, &wol); if (copy_to_user(useraddr, &wol, sizeof(wol))) return -EFAULT; return 0; } static int ethtool_set_wol(struct net_device *dev, char __user *useraddr) { struct ethtool_wolinfo wol; if (!dev->ethtool_ops->set_wol) return -EOPNOTSUPP; if (copy_from_user(&wol, useraddr, sizeof(wol))) return -EFAULT; return dev->ethtool_ops->set_wol(dev, &wol); } static int ethtool_nway_reset(struct net_device *dev) { if (!dev->ethtool_ops->nway_reset) return -EOPNOTSUPP; return dev->ethtool_ops->nway_reset(dev); } static int ethtool_get_link(struct net_device *dev, char __user *useraddr) { struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; if (!dev->ethtool_ops->get_link) return -EOPNOTSUPP; edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev); if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; } static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) { struct ethtool_eeprom eeprom; const struct ethtool_ops *ops = dev->ethtool_ops; void __user *userbuf = useraddr + sizeof(eeprom); u32 bytes_remaining; u8 *data; int ret = 0; if (!ops->get_eeprom || !ops->get_eeprom_len) return -EOPNOTSUPP; if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) return -EFAULT; /* Check for wrap and zero */ if (eeprom.offset + eeprom.len <= eeprom.offset) return -EINVAL; /* Check for exceeding total eeprom len */ if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) return -EINVAL; data = kmalloc(PAGE_SIZE, GFP_USER); if (!data) return -ENOMEM; bytes_remaining = eeprom.len; while (bytes_remaining > 0) { eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); ret = ops->get_eeprom(dev, &eeprom, data); if (ret) break; if (copy_to_user(userbuf, data, eeprom.len)) { ret = -EFAULT; break; } userbuf += eeprom.len; eeprom.offset += eeprom.len; bytes_remaining -= eeprom.len; } eeprom.len = userbuf - (useraddr + sizeof(eeprom)); eeprom.offset -= eeprom.len; if (copy_to_user(useraddr, &eeprom, sizeof(eeprom))) ret = -EFAULT; kfree(data); return ret; } static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) { struct ethtool_eeprom eeprom; const struct ethtool_ops *ops = dev->ethtool_ops; void __user *userbuf = useraddr + sizeof(eeprom); u32 bytes_remaining; u8 *data; int ret = 0; if (!ops->set_eeprom || !ops->get_eeprom_len) return -EOPNOTSUPP; if (copy_from_user(&eeprom, useraddr, sizeof(eeprom))) return -EFAULT; /* Check for wrap and zero */ if (eeprom.offset + eeprom.len <= eeprom.offset) return -EINVAL; /* Check for exceeding total eeprom len */ if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev)) return -EINVAL; data = kmalloc(PAGE_SIZE, GFP_USER); if (!data) return -ENOMEM; bytes_remaining = eeprom.len; while (bytes_remaining > 0) { eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE); if (copy_from_user(data, userbuf, eeprom.len)) { ret = -EFAULT; break; } ret = ops->set_eeprom(dev, &eeprom, data); if (ret) break; userbuf += eeprom.len; eeprom.offset += eeprom.len; bytes_remaining -= eeprom.len; } kfree(data); return ret; } static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr) { struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; if (!dev->ethtool_ops->get_coalesce) return -EOPNOTSUPP; dev->ethtool_ops->get_coalesce(dev, &coalesce); if (copy_to_user(useraddr, &coalesce, sizeof(coalesce))) return -EFAULT; return 0; } static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,