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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 Elliott12 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 2025-09-15 04:21:54 -0400
ss="hl opt">, struct genl_multicast_group *grp) { genl_lock(); __genl_unregister_mc_group(family, grp); genl_unlock(); } static void genl_unregister_mc_groups(struct genl_family *family) { struct genl_multicast_group *grp, *tmp; list_for_each_entry_safe(grp, tmp, &family->mcast_groups, list) __genl_unregister_mc_group(family, grp); } /** * genl_register_ops - register generic netlink operations * @family: generic netlink family * @ops: operations to be registered * * Registers the specified operations and assigns them to the specified * family. Either a doit or dumpit callback must be specified or the * operation will fail. Only one operation structure per command * identifier may be registered. * * See include/net/genetlink.h for more documenation on the operations * structure. * * Returns 0 on success or a negative error code. */ int genl_register_ops(struct genl_family *family, struct genl_ops *ops) { int err = -EINVAL; if (ops->dumpit == NULL && ops->doit == NULL) goto errout; if (genl_get_cmd(ops->cmd, family)) { err = -EEXIST; goto errout; } if (ops->dumpit) ops->flags |= GENL_CMD_CAP_DUMP; if (ops->doit) ops->flags |= GENL_CMD_CAP_DO; if (ops->policy) ops->flags |= GENL_CMD_CAP_HASPOL; genl_lock(); list_add_tail(&ops->ops_list, &family->ops_list); genl_unlock(); genl_ctrl_event(CTRL_CMD_NEWOPS, ops); err = 0; errout: return err; } /** * genl_unregister_ops - unregister generic netlink operations * @family: generic netlink family * @ops: operations to be unregistered * * Unregisters the specified operations and unassigns them from the * specified family. The operation blocks until the current message * processing has finished and doesn't start again until the * unregister process has finished. * * Note: It is not necessary to unregister all operations before * unregistering the family, unregistering the family will cause * all assigned operations to be unregistered automatically. * * Returns 0 on success or a negative error code. */ int genl_unregister_ops(struct genl_family *family, struct genl_ops *ops) { struct genl_ops *rc; genl_lock(); list_for_each_entry(rc, &family->ops_list, ops_list) { if (rc == ops) { list_del(&ops->ops_list); genl_unlock(); genl_ctrl_event(CTRL_CMD_DELOPS, ops); return 0; } } genl_unlock(); return -ENOENT; } /** * genl_register_family - register a generic netlink family * @family: generic netlink family * * Registers the specified family after validating it first. Only one * family may be registered with the same family name or identifier. * The family id may equal GENL_ID_GENERATE causing an unique id to * be automatically generated and assigned. * * Return 0 on success or a negative error code. */ int genl_register_family(struct genl_family *family) { int err = -EINVAL; if (family->id && family->id < GENL_MIN_ID) goto errout; if (family->id > GENL_MAX_ID) goto errout; INIT_LIST_HEAD(&family->ops_list); INIT_LIST_HEAD(&family->mcast_groups); genl_lock(); if (genl_family_find_byname(family->name)) { err = -EEXIST; goto errout_locked; } if (genl_family_find_byid(family->id)) { err = -EEXIST; goto errout_locked; } if (family->id == GENL_ID_GENERATE) { u16 newid = genl_generate_id(); if (!newid) { err = -ENOMEM; goto errout_locked; } family->id = newid; } if (family->maxattr) { family->attrbuf = kmalloc((family->maxattr+1) * sizeof(struct nlattr *), GFP_KERNEL); if (family->attrbuf == NULL) { err = -ENOMEM; goto errout_locked; } } else family->attrbuf = NULL; list_add_tail(&family->family_list, genl_family_chain(family->id)); genl_unlock(); genl_ctrl_event(CTRL_CMD_NEWFAMILY, family); return 0; errout_locked: genl_unlock(); errout: return err; } /** * genl_unregister_family - unregister generic netlink family * @family: generic netlink family * * Unregisters the specified family. * * Returns 0 on success or a negative error code. */ int genl_unregister_family(struct genl_family *family) { struct genl_family *rc; genl_lock(); genl_unregister_mc_groups(family); list_for_each_entry(rc, genl_family_chain(family->id), family_list) { if (family->id != rc->id || strcmp(rc->name, family->name)) continue; list_del(&rc->family_list); INIT_LIST_HEAD(&family->ops_list); genl_unlock(); kfree(family->attrbuf); genl_ctrl_event(CTRL_CMD_DELFAMILY, family); return 0; } genl_unlock(); return -ENOENT; } static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) { struct genl_ops *ops; struct genl_family *family; struct genl_info info; struct genlmsghdr *hdr = nlmsg_data(nlh); int hdrlen, err; family = genl_family_find_byid(nlh->nlmsg_type); if (family == NULL) return -ENOENT; hdrlen = GENL_HDRLEN + family->hdrsize; if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen)) return -EINVAL; ops = genl_get_cmd(hdr->cmd, family); if (ops == NULL) return -EOPNOTSUPP; if ((ops->flags & GENL_ADMIN_PERM) && security_netlink_recv(skb, CAP_NET_ADMIN)) return -EPERM; if (nlh->nlmsg_flags & NLM_F_DUMP) { if (ops->dumpit == NULL) return -EOPNOTSUPP; return netlink_dump_start(genl_sock, skb, nlh, ops->dumpit, ops->done); } if (ops->doit == NULL) return -EOPNOTSUPP; if (family->attrbuf) { err = nlmsg_parse(nlh, hdrlen, family->attrbuf, family->maxattr, ops->policy); if (err < 0) return err; } info.snd_seq = nlh->nlmsg_seq; info.snd_pid = NETLINK_CB(skb).pid; info.nlhdr = nlh; info.genlhdr = nlmsg_data(nlh); info.userhdr = nlmsg_data(nlh) + GENL_HDRLEN; info.attrs = family->attrbuf; return ops->doit(skb, &info); } static void genl_rcv(struct sk_buff *skb) { genl_lock(); netlink_rcv_skb(skb, &genl_rcv_msg); genl_unlock(); } /************************************************************************** * Controller **************************************************************************/ static struct genl_family genl_ctrl = { .id = GENL_ID_CTRL, .name = "nlctrl", .version = 0x2, .maxattr = CTRL_ATTR_MAX, }; static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq, u32 flags, struct sk_buff *skb, u8 cmd) { void *hdr; hdr = genlmsg_put(skb, pid, seq, &genl_ctrl, flags, cmd); if (hdr == NULL) return -1; NLA_PUT_STRING(skb, CTRL_ATTR_FAMILY_NAME, family->name); NLA_PUT_U16(skb, CTRL_ATTR_FAMILY_ID, family->id); NLA_PUT_U32(skb, CTRL_ATTR_VERSION, family->version); NLA_PUT_U32(skb, CTRL_ATTR_HDRSIZE, family->hdrsize); NLA_PUT_U32(skb, CTRL_ATTR_MAXATTR, family->maxattr); if (!list_empty(&family->ops_list)) { struct nlattr *nla_ops; struct genl_ops *ops; int idx = 1; nla_ops = nla_nest_start(skb, CTRL_ATTR_OPS); if (nla_ops == NULL) goto nla_put_failure; list_for_each_entry(ops, &family->ops_list, ops_list) { struct nlattr *nest; nest = nla_nest_start(skb, idx++); if (nest == NULL) goto nla_put_failure; NLA_PUT_U32(skb, CTRL_ATTR_OP_ID, ops->cmd); NLA_PUT_U32(skb, CTRL_ATTR_OP_FLAGS, ops->flags); nla_nest_end(skb, nest); } nla_nest_end(skb, nla_ops); } if (!list_empty(&family->mcast_groups)) { struct genl_multicast_group *grp; struct nlattr *nla_grps; int idx = 1; nla_grps = nla_nest_start(skb, CTRL_ATTR_MCAST_GROUPS); if (nla_grps == NULL) goto nla_put_failure; list_for_each_entry(grp, &family->mcast_groups, list) { struct nlattr *nest; nest = nla_nest_start(skb, idx++); if (nest == NULL) goto nla_put_failure; NLA_PUT_U32(skb, CTRL_ATTR_MCAST_GRP_ID, grp->id); NLA_PUT_STRING(skb, CTRL_ATTR_MCAST_GRP_NAME, grp->name); nla_nest_end(skb, nest); } nla_nest_end(skb, nla_grps); } return genlmsg_end(skb, hdr); nla_put_failure: return genlmsg_cancel(skb, hdr); } static int ctrl_fill_mcgrp_info(struct genl_multicast_group *grp, u32 pid, u32 seq, u32 flags, struct sk_buff *skb, u8 cmd) { void *hdr; struct nlattr *nla_grps; struct nlattr *nest; hdr = genlmsg_put(skb, pid, seq, &genl_ctrl, flags, cmd); if (hdr == NULL) return -1; NLA_PUT_STRING(skb, CTRL_ATTR_FAMILY_NAME, grp->family->name); NLA_PUT_U16(skb, CTRL_ATTR_FAMILY_ID, grp->family->id); nla_grps = nla_nest_start(skb, CTRL_ATTR_MCAST_GROUPS); if (nla_grps == NULL) goto nla_put_failure; nest = nla_nest_start(skb, 1); if (nest == NULL) goto nla_put_failure; NLA_PUT_U32(skb, CTRL_ATTR_MCAST_GRP_ID, grp->id); NLA_PUT_STRING(skb, CTRL_ATTR_MCAST_GRP_NAME, grp->name); nla_nest_end(skb, nest); nla_nest_end(skb, nla_grps); return genlmsg_end(skb, hdr); nla_put_failure: return genlmsg_cancel(skb, hdr); } static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) { int i, n = 0; struct genl_family *rt; int chains_to_skip = cb->args[0]; int fams_to_skip = cb->args[1]; if (chains_to_skip != 0) genl_lock(); for (i = 0; i < GENL_FAM_TAB_SIZE; i++) { if (i < chains_to_skip) continue; n = 0; list_for_each_entry(rt, genl_family_chain(i), family_list) { if (++n < fams_to_skip) continue; if (ctrl_fill_info(rt, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, NLM_F_MULTI, skb, CTRL_CMD_NEWFAMILY) < 0) goto errout; } fams_to_skip = 0; } errout: if (chains_to_skip != 0) genl_unlock(); cb->args[0] = i; cb->args[1] = n; return skb->len; } static struct sk_buff *ctrl_build_family_msg(struct genl_family *family, u32 pid, int seq, u8 cmd) { struct sk_buff *skb; int err; skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (skb == NULL) return ERR_PTR(-ENOBUFS); err = ctrl_fill_info(family, pid, seq, 0, skb, cmd); if (err < 0) { nlmsg_free(skb); return ERR_PTR(err); } return skb; } static struct sk_buff *ctrl_build_mcgrp_msg(struct genl_multicast_group *grp, u32 pid, int seq, u8 cmd) { struct sk_buff *skb; int err; skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (skb == NULL) return ERR_PTR(-ENOBUFS); err = ctrl_fill_mcgrp_info(grp, pid, seq, 0, skb, cmd); if (err < 0) { nlmsg_free(skb); return ERR_PTR(err); } return skb; } static const struct nla_policy ctrl_policy[CTRL_ATTR_MAX+1] = { [CTRL_ATTR_FAMILY_ID] = { .type = NLA_U16 }, [CTRL_ATTR_FAMILY_NAME] = { .type = NLA_NUL_STRING, .len = GENL_NAMSIZ - 1 }, }; static int ctrl_getfamily(struct sk_buff *skb, struct genl_info *info) { struct sk_buff *msg; struct genl_family *res = NULL; int err = -EINVAL; if (info->attrs[CTRL_ATTR_FAMILY_ID]) { u16 id = nla_get_u16(info->attrs[CTRL_ATTR_FAMILY_ID]); res = genl_family_find_byid(id); } if (info->attrs[CTRL_ATTR_FAMILY_NAME]) { char *name; name = nla_data(info->attrs[CTRL_ATTR_FAMILY_NAME]); res = genl_family_find_byname(name); } if (res == NULL) { err = -ENOENT; goto errout; } msg = ctrl_build_family_msg(res, info->snd_pid, info->snd_seq, CTRL_CMD_NEWFAMILY); if (IS_ERR(msg)) { err = PTR_ERR(msg); goto errout; } err = genlmsg_reply(msg, info); errout: return err; } static int genl_ctrl_event(int event, void *data) { struct sk_buff *msg; if (genl_sock == NULL) return 0; switch (event) { case CTRL_CMD_NEWFAMILY: case CTRL_CMD_DELFAMILY: msg = ctrl_build_family_msg(data, 0, 0, event); if (IS_ERR(msg)) return PTR_ERR(msg); genlmsg_multicast(msg, 0, GENL_ID_CTRL, GFP_KERNEL); break; case CTRL_CMD_NEWMCAST_GRP: case CTRL_CMD_DELMCAST_GRP: msg = ctrl_build_mcgrp_msg(data, 0, 0, event); if (IS_ERR(msg)) return PTR_ERR(msg); genlmsg_multicast(msg, 0, GENL_ID_CTRL, GFP_KERNEL); break; } return 0; } static struct genl_ops genl_ctrl_ops = { .cmd = CTRL_CMD_GETFAMILY, .doit = ctrl_getfamily, .dumpit = ctrl_dumpfamily, .policy = ctrl_policy, }; static struct genl_multicast_group notify_grp = { .name = "notify", }; static int __init genl_init(void) { int i, err; for (i = 0; i < GENL_FAM_TAB_SIZE; i++) INIT_LIST_HEAD(&family_ht[i]); err = genl_register_family(&genl_ctrl); if (err < 0) goto errout; err = genl_register_ops(&genl_ctrl, &genl_ctrl_ops); if (err < 0) goto errout_register; netlink_set_nonroot(NETLINK_GENERIC, NL_NONROOT_RECV); /* we'll bump the group number right afterwards */ genl_sock = netlink_kernel_create(&init_net, NETLINK_GENERIC, 0, genl_rcv, NULL, THIS_MODULE); if (genl_sock == NULL) panic("GENL: Cannot initialize generic netlink\n"); err = genl_register_mc_group(&genl_ctrl, &notify_grp); if (err < 0) goto errout_register; return 0; errout_register: genl_unregister_family(&genl_ctrl); errout: panic("GENL: Cannot register controller: %d\n", err); } subsys_initcall(genl_init); EXPORT_SYMBOL(genl_sock); EXPORT_SYMBOL(genl_register_ops); EXPORT_SYMBOL(genl_unregister_ops); EXPORT_SYMBOL(genl_register_family); EXPORT_SYMBOL(genl_unregister_family);
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-15 04:21:53 -0400