Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Daniel Borkmann | 17615 | 99.98% | 10 | 90.91% |
Andrii Nakryiko | 3 | 0.02% | 1 | 9.09% |
Total | 17618 | 11 |
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799280028012802280328042805280628072808280928102811281228132814
// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2023 Isovalent */ #include <uapi/linux/if_link.h> #include <net/if.h> #include <test_progs.h> #define loopback 1 #define ping_cmd "ping -q -c1 -w1 127.0.0.1 > /dev/null" #include "test_tc_link.skel.h" #include "tc_helpers.h" void serial_test_tc_opts_basic(void) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, id1, id2; struct test_tc_link *skel; __u32 prog_ids[2]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); assert_mprog_count(BPF_TCX_INGRESS, 0); assert_mprog_count(BPF_TCX_EGRESS, 0); ASSERT_EQ(skel->bss->seen_tc1, false, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2"); err = bpf_prog_attach_opts(fd1, loopback, BPF_TCX_INGRESS, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(BPF_TCX_INGRESS, 1); assert_mprog_count(BPF_TCX_EGRESS, 0); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, BPF_TCX_INGRESS, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_in; ASSERT_EQ(optq.count, 1, "count"); ASSERT_EQ(optq.revision, 2, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2"); err = bpf_prog_attach_opts(fd2, loopback, BPF_TCX_EGRESS, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_in; assert_mprog_count(BPF_TCX_INGRESS, 1); assert_mprog_count(BPF_TCX_EGRESS, 1); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, BPF_TCX_EGRESS, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_eg; ASSERT_EQ(optq.count, 1, "count"); ASSERT_EQ(optq.revision, 2, "revision"); ASSERT_EQ(optq.prog_ids[0], id2, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); cleanup_eg: err = bpf_prog_detach_opts(fd2, loopback, BPF_TCX_EGRESS, &optd); ASSERT_OK(err, "prog_detach_eg"); assert_mprog_count(BPF_TCX_INGRESS, 1); assert_mprog_count(BPF_TCX_EGRESS, 0); cleanup_in: err = bpf_prog_detach_opts(fd1, loopback, BPF_TCX_INGRESS, &optd); ASSERT_OK(err, "prog_detach_in"); assert_mprog_count(BPF_TCX_INGRESS, 0); assert_mprog_count(BPF_TCX_EGRESS, 0); cleanup: test_tc_link__destroy(skel); } static void test_tc_opts_before_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; __u32 prog_ids[5]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id3, id4, "prog_ids_3_4"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target; assert_mprog_count(target, 2); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 3, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3"); ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE, .relative_fd = fd2, ); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target2; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target3; ASSERT_EQ(optq.count, 3, "count"); ASSERT_EQ(optq.revision, 4, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id2, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], 0, "prog_ids[3]"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE, .relative_id = id1, ); err = bpf_prog_attach_opts(fd4, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target3; assert_mprog_count(target, 4); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id4, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id1, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id3, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], id2, "prog_ids[3]"); ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, true, "seen_tc3"); ASSERT_EQ(skel->bss->seen_tc4, true, "seen_tc4"); cleanup_target4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); cleanup_target3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup_target2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup_target: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_before(void) { test_tc_opts_before_target(BPF_TCX_INGRESS); test_tc_opts_before_target(BPF_TCX_EGRESS); } static void test_tc_opts_after_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; __u32 prog_ids[5]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id3, id4, "prog_ids_3_4"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target; assert_mprog_count(target, 2); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 3, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3"); ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_AFTER, .relative_fd = fd1, ); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target2; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target3; ASSERT_EQ(optq.count, 3, "count"); ASSERT_EQ(optq.revision, 4, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id2, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], 0, "prog_ids[3]"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_AFTER, .relative_id = id2, ); err = bpf_prog_attach_opts(fd4, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target3; assert_mprog_count(target, 4); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id2, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], id4, "prog_ids[3]"); ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, true, "seen_tc3"); ASSERT_EQ(skel->bss->seen_tc4, true, "seen_tc4"); cleanup_target4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target3; ASSERT_EQ(optq.count, 3, "count"); ASSERT_EQ(optq.revision, 6, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id2, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], 0, "prog_ids[3]"); cleanup_target3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 7, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); cleanup_target2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target; ASSERT_EQ(optq.count, 1, "count"); ASSERT_EQ(optq.revision, 8, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]"); cleanup_target: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_after(void) { test_tc_opts_after_target(BPF_TCX_INGRESS); test_tc_opts_after_target(BPF_TCX_EGRESS); } static void test_tc_opts_revision_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, id1, id2; struct test_tc_link *skel; __u32 prog_ids[3]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .expected_revision = 1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .expected_revision = 1, ); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, -ESTALE, "prog_attach")) goto cleanup_target; assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .expected_revision = 2, ); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target; assert_mprog_count(target, 2); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 3, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); LIBBPF_OPTS_RESET(optd, .expected_revision = 2, ); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_EQ(err, -ESTALE, "prog_detach"); assert_mprog_count(target, 2); cleanup_target2: LIBBPF_OPTS_RESET(optd, .expected_revision = 3, ); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup_target: LIBBPF_OPTS_RESET(optd); err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_revision(void) { test_tc_opts_revision_target(BPF_TCX_INGRESS); test_tc_opts_revision_target(BPF_TCX_EGRESS); } static void test_tc_chain_classic(int target, bool chain_tc_old) { LIBBPF_OPTS(bpf_tc_opts, tc_opts, .handle = 1, .priority = 1); LIBBPF_OPTS(bpf_tc_hook, tc_hook, .ifindex = loopback); LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); bool hook_created = false, tc_attached = false; __u32 fd1, fd2, fd3, id1, id2, id3; struct test_tc_link *skel; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); if (chain_tc_old) { tc_hook.attach_point = target == BPF_TCX_INGRESS ? BPF_TC_INGRESS : BPF_TC_EGRESS; err = bpf_tc_hook_create(&tc_hook); if (err == 0) hook_created = true; err = err == -EEXIST ? 0 : err; if (!ASSERT_OK(err, "bpf_tc_hook_create")) goto cleanup; tc_opts.prog_fd = fd3; err = bpf_tc_attach(&tc_hook, &tc_opts); if (!ASSERT_OK(err, "bpf_tc_attach")) goto cleanup; tc_attached = true; } err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_detach; assert_mprog_count(target, 2); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, chain_tc_old, "seen_tc3"); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); if (!ASSERT_OK(err, "prog_detach")) goto cleanup_detach; assert_mprog_count(target, 1); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, chain_tc_old, "seen_tc3"); cleanup_detach: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); if (!ASSERT_OK(err, "prog_detach")) goto cleanup; assert_mprog_count(target, 0); cleanup: if (tc_attached) { tc_opts.flags = tc_opts.prog_fd = tc_opts.prog_id = 0; err = bpf_tc_detach(&tc_hook, &tc_opts); ASSERT_OK(err, "bpf_tc_detach"); } if (hook_created) { tc_hook.attach_point = BPF_TC_INGRESS | BPF_TC_EGRESS; bpf_tc_hook_destroy(&tc_hook); } test_tc_link__destroy(skel); assert_mprog_count(target, 0); } void serial_test_tc_opts_chain_classic(void) { test_tc_chain_classic(BPF_TCX_INGRESS, false); test_tc_chain_classic(BPF_TCX_EGRESS, false); test_tc_chain_classic(BPF_TCX_INGRESS, true); test_tc_chain_classic(BPF_TCX_EGRESS, true); } static void test_tc_opts_replace_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, id1, id2, id3, detach_fd; __u32 prog_ids[4], prog_flags[4]; struct test_tc_link *skel; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .expected_revision = 1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE, .relative_id = id1, .expected_revision = 2, ); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target; detach_fd = fd2; assert_mprog_count(target, 2); optq.prog_attach_flags = prog_flags; optq.prog_ids = prog_ids; memset(prog_flags, 0, sizeof(prog_flags)); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 3, "revision"); ASSERT_EQ(optq.prog_ids[0], id2, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id1, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); ASSERT_EQ(optq.prog_attach_flags[0], 0, "prog_flags[0]"); ASSERT_EQ(optq.prog_attach_flags[1], 0, "prog_flags[1]"); ASSERT_EQ(optq.prog_attach_flags[2], 0, "prog_flags[2]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = fd2, .expected_revision = 3, ); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target2; detach_fd = fd3; assert_mprog_count(target, 2); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 4, "revision"); ASSERT_EQ(optq.prog_ids[0], id3, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id1, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, true, "seen_tc3"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE | BPF_F_BEFORE, .replace_prog_fd = fd3, .relative_fd = fd1, .expected_revision = 4, ); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target2; detach_fd = fd2; assert_mprog_count(target, 2); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id2, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id1, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = fd2, ); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); ASSERT_EQ(err, -EEXIST, "prog_attach"); assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE | BPF_F_AFTER, .replace_prog_fd = fd2, .relative_fd = fd1, .expected_revision = 5, ); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); ASSERT_EQ(err, -ERANGE, "prog_attach"); assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE | BPF_F_AFTER | BPF_F_REPLACE, .replace_prog_fd = fd2, .relative_fd = fd1, .expected_revision = 5, ); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); ASSERT_EQ(err, -ERANGE, "prog_attach"); assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, .relative_id = id1, .expected_revision = 5, ); cleanup_target2: err = bpf_prog_detach_opts(detach_fd, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup_target: LIBBPF_OPTS_RESET(optd); err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_replace(void) { test_tc_opts_replace_target(BPF_TCX_INGRESS); test_tc_opts_replace_target(BPF_TCX_EGRESS); } static void test_tc_opts_invalid_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); __u32 fd1, fd2, id1, id2; struct test_tc_link *skel; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE | BPF_F_AFTER, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -ERANGE, "prog_attach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE | BPF_F_ID, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -ENOENT, "prog_attach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_AFTER | BPF_F_ID, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -ENOENT, "prog_attach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .relative_fd = fd2, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -EINVAL, "prog_attach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE | BPF_F_AFTER, .relative_fd = fd2, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -ENOENT, "prog_attach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_ID, .relative_id = id2, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -EINVAL, "prog_attach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE, .relative_fd = fd1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -ENOENT, "prog_attach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_AFTER, .relative_fd = fd1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -ENOENT, "prog_attach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -EEXIST, "prog_attach"); assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE, .relative_fd = fd1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -EEXIST, "prog_attach"); assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_AFTER, .relative_fd = fd1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -EEXIST, "prog_attach"); assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .relative_fd = fd1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -EINVAL, "prog_attach_x1"); assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = fd1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); ASSERT_EQ(err, -EEXIST, "prog_attach"); assert_mprog_count(target, 1); err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_invalid(void) { test_tc_opts_invalid_target(BPF_TCX_INGRESS); test_tc_opts_invalid_target(BPF_TCX_EGRESS); } static void test_tc_opts_prepend_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; __u32 prog_ids[5]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id3, id4, "prog_ids_3_4"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE, ); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target; assert_mprog_count(target, 2); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 3, "revision"); ASSERT_EQ(optq.prog_ids[0], id2, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id1, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3"); ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE, ); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target2; LIBBPF_OPTS_RESET(opta, .flags = BPF_F_BEFORE, ); err = bpf_prog_attach_opts(fd4, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target3; assert_mprog_count(target, 4); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id4, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id2, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], id1, "prog_ids[3]"); ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, true, "seen_tc3"); ASSERT_EQ(skel->bss->seen_tc4, true, "seen_tc4"); cleanup_target4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); cleanup_target3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup_target2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup_target: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_prepend(void) { test_tc_opts_prepend_target(BPF_TCX_INGRESS); test_tc_opts_prepend_target(BPF_TCX_EGRESS); } static void test_tc_opts_append_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; __u32 prog_ids[5]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id3, id4, "prog_ids_3_4"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_AFTER, ); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target; assert_mprog_count(target, 2); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target2; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 3, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3"); ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_AFTER, ); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target2; LIBBPF_OPTS_RESET(opta, .flags = BPF_F_AFTER, ); err = bpf_prog_attach_opts(fd4, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_target3; assert_mprog_count(target, 4); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup_target4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id3, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], id4, "prog_ids[3]"); ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]"); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1"); ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2"); ASSERT_EQ(skel->bss->seen_tc3, true, "seen_tc3"); ASSERT_EQ(skel->bss->seen_tc4, true, "seen_tc4"); cleanup_target4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); cleanup_target3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup_target2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup_target: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_append(void) { test_tc_opts_append_target(BPF_TCX_INGRESS); test_tc_opts_append_target(BPF_TCX_EGRESS); } static void test_tc_opts_dev_cleanup_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; int err, ifindex; ASSERT_OK(system("ip link add dev tcx_opts1 type veth peer name tcx_opts2"), "add veth"); ifindex = if_nametoindex("tcx_opts1"); ASSERT_NEQ(ifindex, 0, "non_zero_ifindex"); skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id3, id4, "prog_ids_3_4"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count_ifindex(ifindex, target, 0); err = bpf_prog_attach_opts(fd1, ifindex, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count_ifindex(ifindex, target, 1); err = bpf_prog_attach_opts(fd2, ifindex, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup1; assert_mprog_count_ifindex(ifindex, target, 2); err = bpf_prog_attach_opts(fd3, ifindex, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup2; assert_mprog_count_ifindex(ifindex, target, 3); err = bpf_prog_attach_opts(fd4, ifindex, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup3; assert_mprog_count_ifindex(ifindex, target, 4); ASSERT_OK(system("ip link del dev tcx_opts1"), "del veth"); ASSERT_EQ(if_nametoindex("tcx_opts1"), 0, "dev1_removed"); ASSERT_EQ(if_nametoindex("tcx_opts2"), 0, "dev2_removed"); return; cleanup3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count_ifindex(ifindex, target, 2); cleanup2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count_ifindex(ifindex, target, 1); cleanup1: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count_ifindex(ifindex, target, 0); cleanup: test_tc_link__destroy(skel); ASSERT_OK(system("ip link del dev tcx_opts1"), "del veth"); ASSERT_EQ(if_nametoindex("tcx_opts1"), 0, "dev1_removed"); ASSERT_EQ(if_nametoindex("tcx_opts2"), 0, "dev2_removed"); } void serial_test_tc_opts_dev_cleanup(void) { test_tc_opts_dev_cleanup_target(BPF_TCX_INGRESS); test_tc_opts_dev_cleanup_target(BPF_TCX_EGRESS); } static void test_tc_opts_mixed_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); LIBBPF_OPTS(bpf_tcx_opts, optl); __u32 pid1, pid2, pid3, pid4, lid2, lid4; __u32 prog_flags[4], link_flags[4]; __u32 prog_ids[4], link_ids[4]; struct test_tc_link *skel; struct bpf_link *link; int err, detach_fd; skel = test_tc_link__open(); if (!ASSERT_OK_PTR(skel, "skel_open")) goto cleanup; ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc1, target), 0, "tc1_attach_type"); ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc2, target), 0, "tc2_attach_type"); ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc3, target), 0, "tc3_attach_type"); ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc4, target), 0, "tc4_attach_type"); err = test_tc_link__load(skel); if (!ASSERT_OK(err, "skel_load")) goto cleanup; pid1 = id_from_prog_fd(bpf_program__fd(skel->progs.tc1)); pid2 = id_from_prog_fd(bpf_program__fd(skel->progs.tc2)); pid3 = id_from_prog_fd(bpf_program__fd(skel->progs.tc3)); pid4 = id_from_prog_fd(bpf_program__fd(skel->progs.tc4)); ASSERT_NEQ(pid1, pid2, "prog_ids_1_2"); ASSERT_NEQ(pid3, pid4, "prog_ids_3_4"); ASSERT_NEQ(pid2, pid3, "prog_ids_2_3"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(bpf_program__fd(skel->progs.tc1), loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; detach_fd = bpf_program__fd(skel->progs.tc1); assert_mprog_count(target, 1); link = bpf_program__attach_tcx(skel->progs.tc2, loopback, &optl); if (!ASSERT_OK_PTR(link, "link_attach")) goto cleanup1; skel->links.tc2 = link; lid2 = id_from_link_fd(bpf_link__fd(skel->links.tc2)); assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = bpf_program__fd(skel->progs.tc1), ); err = bpf_prog_attach_opts(bpf_program__fd(skel->progs.tc2), loopback, target, &opta); ASSERT_EQ(err, -EEXIST, "prog_attach"); assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = bpf_program__fd(skel->progs.tc2), ); err = bpf_prog_attach_opts(bpf_program__fd(skel->progs.tc1), loopback, target, &opta); ASSERT_EQ(err, -EEXIST, "prog_attach"); assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = bpf_program__fd(skel->progs.tc2), ); err = bpf_prog_attach_opts(bpf_program__fd(skel->progs.tc3), loopback, target, &opta); ASSERT_EQ(err, -EBUSY, "prog_attach"); assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = bpf_program__fd(skel->progs.tc1), ); err = bpf_prog_attach_opts(bpf_program__fd(skel->progs.tc3), loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup1; detach_fd = bpf_program__fd(skel->progs.tc3); assert_mprog_count(target, 2); link = bpf_program__attach_tcx(skel->progs.tc4, loopback, &optl); if (!ASSERT_OK_PTR(link, "link_attach")) goto cleanup1; skel->links.tc4 = link; lid4 = id_from_link_fd(bpf_link__fd(skel->links.tc4)); assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = bpf_program__fd(skel->progs.tc4), ); err = bpf_prog_attach_opts(bpf_program__fd(skel->progs.tc2), loopback, target, &opta); ASSERT_EQ(err, -EEXIST, "prog_attach"); optq.prog_ids = prog_ids; optq.prog_attach_flags = prog_flags; optq.link_ids = link_ids; optq.link_attach_flags = link_flags; memset(prog_ids, 0, sizeof(prog_ids)); memset(prog_flags, 0, sizeof(prog_flags)); memset(link_ids, 0, sizeof(link_ids)); memset(link_flags, 0, sizeof(link_flags)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup1; ASSERT_EQ(optq.count, 3, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], pid3, "prog_ids[0]"); ASSERT_EQ(optq.prog_attach_flags[0], 0, "prog_flags[0]"); ASSERT_EQ(optq.link_ids[0], 0, "link_ids[0]"); ASSERT_EQ(optq.link_attach_flags[0], 0, "link_flags[0]"); ASSERT_EQ(optq.prog_ids[1], pid2, "prog_ids[1]"); ASSERT_EQ(optq.prog_attach_flags[1], 0, "prog_flags[1]"); ASSERT_EQ(optq.link_ids[1], lid2, "link_ids[1]"); ASSERT_EQ(optq.link_attach_flags[1], 0, "link_flags[1]"); ASSERT_EQ(optq.prog_ids[2], pid4, "prog_ids[2]"); ASSERT_EQ(optq.prog_attach_flags[2], 0, "prog_flags[2]"); ASSERT_EQ(optq.link_ids[2], lid4, "link_ids[2]"); ASSERT_EQ(optq.link_attach_flags[2], 0, "link_flags[2]"); ASSERT_EQ(optq.prog_ids[3], 0, "prog_ids[3]"); ASSERT_EQ(optq.prog_attach_flags[3], 0, "prog_flags[3]"); ASSERT_EQ(optq.link_ids[3], 0, "link_ids[3]"); ASSERT_EQ(optq.link_attach_flags[3], 0, "link_flags[3]"); ASSERT_OK(system(ping_cmd), ping_cmd); cleanup1: err = bpf_prog_detach_opts(detach_fd, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup: test_tc_link__destroy(skel); assert_mprog_count(target, 0); } void serial_test_tc_opts_mixed(void) { test_tc_opts_mixed_target(BPF_TCX_INGRESS); test_tc_opts_mixed_target(BPF_TCX_EGRESS); } static void test_tc_opts_demixed_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_tcx_opts, optl); struct test_tc_link *skel; struct bpf_link *link; __u32 pid1, pid2; int err; skel = test_tc_link__open(); if (!ASSERT_OK_PTR(skel, "skel_open")) goto cleanup; ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc1, target), 0, "tc1_attach_type"); ASSERT_EQ(bpf_program__set_expected_attach_type(skel->progs.tc2, target), 0, "tc2_attach_type"); err = test_tc_link__load(skel); if (!ASSERT_OK(err, "skel_load")) goto cleanup; pid1 = id_from_prog_fd(bpf_program__fd(skel->progs.tc1)); pid2 = id_from_prog_fd(bpf_program__fd(skel->progs.tc2)); ASSERT_NEQ(pid1, pid2, "prog_ids_1_2"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(bpf_program__fd(skel->progs.tc1), loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); link = bpf_program__attach_tcx(skel->progs.tc2, loopback, &optl); if (!ASSERT_OK_PTR(link, "link_attach")) goto cleanup1; skel->links.tc2 = link; assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_EQ(err, -EBUSY, "prog_detach"); assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); goto cleanup; cleanup1: err = bpf_prog_detach_opts(bpf_program__fd(skel->progs.tc1), loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup: test_tc_link__destroy(skel); assert_mprog_count(target, 0); } void serial_test_tc_opts_demixed(void) { test_tc_opts_demixed_target(BPF_TCX_INGRESS); test_tc_opts_demixed_target(BPF_TCX_EGRESS); } static void test_tc_opts_detach_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; __u32 prog_ids[5]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id3, id4, "prog_ids_3_4"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup1; assert_mprog_count(target, 2); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup2; assert_mprog_count(target, 3); err = bpf_prog_attach_opts(fd4, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup3; assert_mprog_count(target, 4); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id3, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], id4, "prog_ids[3]"); ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 3, "count"); ASSERT_EQ(optq.revision, 6, "revision"); ASSERT_EQ(optq.prog_ids[0], id2, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id4, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], 0, "prog_ids[3]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 7, "revision"); ASSERT_EQ(optq.prog_ids[0], id2, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); LIBBPF_OPTS_RESET(optd); err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_EQ(err, -ENOENT, "prog_detach"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_EQ(err, -ENOENT, "prog_detach"); goto cleanup; cleanup4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); cleanup3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup1: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_detach(void) { test_tc_opts_detach_target(BPF_TCX_INGRESS); test_tc_opts_detach_target(BPF_TCX_EGRESS); } static void test_tc_opts_detach_before_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; __u32 prog_ids[5]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id3, id4, "prog_ids_3_4"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup1; assert_mprog_count(target, 2); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup2; assert_mprog_count(target, 3); err = bpf_prog_attach_opts(fd4, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup3; assert_mprog_count(target, 4); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id3, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], id4, "prog_ids[3]"); ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, .relative_fd = fd2, ); err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 3, "count"); ASSERT_EQ(optq.revision, 6, "revision"); ASSERT_EQ(optq.prog_ids[0], id2, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id4, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], 0, "prog_ids[3]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, .relative_fd = fd2, ); err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_EQ(err, -ENOENT, "prog_detach"); assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, .relative_fd = fd4, ); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_EQ(err, -ERANGE, "prog_detach"); assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, .relative_fd = fd1, ); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_EQ(err, -ENOENT, "prog_detach"); assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, .relative_fd = fd3, ); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 7, "revision"); ASSERT_EQ(optq.prog_ids[0], id3, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id4, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, .relative_fd = fd4, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 1, "count"); ASSERT_EQ(optq.revision, 8, "revision"); ASSERT_EQ(optq.prog_ids[0], id4, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_BEFORE, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); goto cleanup; cleanup4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); cleanup3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup1: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_detach_before(void) { test_tc_opts_detach_before_target(BPF_TCX_INGRESS); test_tc_opts_detach_before_target(BPF_TCX_EGRESS); } static void test_tc_opts_detach_after_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; __u32 prog_ids[5]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id3, id4, "prog_ids_3_4"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup1; assert_mprog_count(target, 2); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup2; assert_mprog_count(target, 3); err = bpf_prog_attach_opts(fd4, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup3; assert_mprog_count(target, 4); optq.prog_ids = prog_ids; memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id3, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], id4, "prog_ids[3]"); ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, .relative_fd = fd1, ); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 3, "count"); ASSERT_EQ(optq.revision, 6, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id3, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id4, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], 0, "prog_ids[3]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, .relative_fd = fd1, ); err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_EQ(err, -ENOENT, "prog_detach"); assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, .relative_fd = fd4, ); err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_EQ(err, -ERANGE, "prog_detach"); assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, .relative_fd = fd3, ); err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_EQ(err, -ERANGE, "prog_detach"); assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, .relative_fd = fd1, ); err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_EQ(err, -ERANGE, "prog_detach"); assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, .relative_fd = fd1, ); err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 2, "count"); ASSERT_EQ(optq.revision, 7, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id4, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, .relative_fd = fd1, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); memset(prog_ids, 0, sizeof(prog_ids)); optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 1, "count"); ASSERT_EQ(optq.revision, 8, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]"); LIBBPF_OPTS_RESET(optd, .flags = BPF_F_AFTER, ); err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); goto cleanup; cleanup4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); cleanup3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup1: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_detach_after(void) { test_tc_opts_detach_after_target(BPF_TCX_INGRESS); test_tc_opts_detach_after_target(BPF_TCX_EGRESS); } static void test_tc_opts_delete_empty(int target, bool chain_tc_old) { LIBBPF_OPTS(bpf_tc_hook, tc_hook, .ifindex = loopback); LIBBPF_OPTS(bpf_prog_detach_opts, optd); int err; assert_mprog_count(target, 0); if (chain_tc_old) { tc_hook.attach_point = target == BPF_TCX_INGRESS ? BPF_TC_INGRESS : BPF_TC_EGRESS; err = bpf_tc_hook_create(&tc_hook); ASSERT_OK(err, "bpf_tc_hook_create"); assert_mprog_count(target, 0); } err = bpf_prog_detach_opts(0, loopback, target, &optd); ASSERT_EQ(err, -ENOENT, "prog_detach"); if (chain_tc_old) { tc_hook.attach_point = BPF_TC_INGRESS | BPF_TC_EGRESS; bpf_tc_hook_destroy(&tc_hook); } assert_mprog_count(target, 0); } void serial_test_tc_opts_delete_empty(void) { test_tc_opts_delete_empty(BPF_TCX_INGRESS, false); test_tc_opts_delete_empty(BPF_TCX_EGRESS, false); test_tc_opts_delete_empty(BPF_TCX_INGRESS, true); test_tc_opts_delete_empty(BPF_TCX_EGRESS, true); } static void test_tc_chain_mixed(int target) { LIBBPF_OPTS(bpf_tc_opts, tc_opts, .handle = 1, .priority = 1); LIBBPF_OPTS(bpf_tc_hook, tc_hook, .ifindex = loopback); LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); __u32 fd1, fd2, fd3, id1, id2, id3; struct test_tc_link *skel; int err, detach_fd; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc4); fd2 = bpf_program__fd(skel->progs.tc5); fd3 = bpf_program__fd(skel->progs.tc6); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); ASSERT_NEQ(id1, id2, "prog_ids_1_2"); ASSERT_NEQ(id2, id3, "prog_ids_2_3"); assert_mprog_count(target, 0); tc_hook.attach_point = target == BPF_TCX_INGRESS ? BPF_TC_INGRESS : BPF_TC_EGRESS; err = bpf_tc_hook_create(&tc_hook); err = err == -EEXIST ? 0 : err; if (!ASSERT_OK(err, "bpf_tc_hook_create")) goto cleanup; tc_opts.prog_fd = fd2; err = bpf_tc_attach(&tc_hook, &tc_opts); if (!ASSERT_OK(err, "bpf_tc_attach")) goto cleanup_hook; err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_filter; detach_fd = fd3; assert_mprog_count(target, 1); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4"); ASSERT_EQ(skel->bss->seen_tc5, false, "seen_tc5"); ASSERT_EQ(skel->bss->seen_tc6, true, "seen_tc6"); LIBBPF_OPTS_RESET(opta, .flags = BPF_F_REPLACE, .replace_prog_fd = fd3, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup_opts; detach_fd = fd1; assert_mprog_count(target, 1); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc4, true, "seen_tc4"); ASSERT_EQ(skel->bss->seen_tc5, true, "seen_tc5"); ASSERT_EQ(skel->bss->seen_tc6, false, "seen_tc6"); cleanup_opts: err = bpf_prog_detach_opts(detach_fd, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); tc_skel_reset_all_seen(skel); ASSERT_OK(system(ping_cmd), ping_cmd); ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4"); ASSERT_EQ(skel->bss->seen_tc5, true, "seen_tc5"); ASSERT_EQ(skel->bss->seen_tc6, false, "seen_tc6"); cleanup_filter: tc_opts.flags = tc_opts.prog_fd = tc_opts.prog_id = 0; err = bpf_tc_detach(&tc_hook, &tc_opts); ASSERT_OK(err, "bpf_tc_detach"); cleanup_hook: tc_hook.attach_point = BPF_TC_INGRESS | BPF_TC_EGRESS; bpf_tc_hook_destroy(&tc_hook); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_chain_mixed(void) { test_tc_chain_mixed(BPF_TCX_INGRESS); test_tc_chain_mixed(BPF_TCX_EGRESS); } static int generate_dummy_prog(void) { const struct bpf_insn prog_insns[] = { BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }; const size_t prog_insn_cnt = sizeof(prog_insns) / sizeof(struct bpf_insn); LIBBPF_OPTS(bpf_prog_load_opts, opts); const size_t log_buf_sz = 256; char log_buf[log_buf_sz]; int fd = -1; opts.log_buf = log_buf; opts.log_size = log_buf_sz; log_buf[0] = '\0'; opts.log_level = 0; fd = bpf_prog_load(BPF_PROG_TYPE_SCHED_CLS, "tcx_prog", "GPL", prog_insns, prog_insn_cnt, &opts); ASSERT_STREQ(log_buf, "", "log_0"); ASSERT_GE(fd, 0, "prog_fd"); return fd; } static void test_tc_opts_max_target(int target, int flags, bool relative) { int err, ifindex, i, prog_fd, last_fd = -1; LIBBPF_OPTS(bpf_prog_attach_opts, opta); const int max_progs = 63; ASSERT_OK(system("ip link add dev tcx_opts1 type veth peer name tcx_opts2"), "add veth"); ifindex = if_nametoindex("tcx_opts1"); ASSERT_NEQ(ifindex, 0, "non_zero_ifindex"); assert_mprog_count_ifindex(ifindex, target, 0); for (i = 0; i < max_progs; i++) { prog_fd = generate_dummy_prog(); if (!ASSERT_GE(prog_fd, 0, "dummy_prog")) goto cleanup; err = bpf_prog_attach_opts(prog_fd, ifindex, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count_ifindex(ifindex, target, i + 1); if (i == max_progs - 1 && relative) last_fd = prog_fd; else close(prog_fd); } prog_fd = generate_dummy_prog(); if (!ASSERT_GE(prog_fd, 0, "dummy_prog")) goto cleanup; opta.flags = flags; if (last_fd > 0) opta.relative_fd = last_fd; err = bpf_prog_attach_opts(prog_fd, ifindex, target, &opta); ASSERT_EQ(err, -ERANGE, "prog_64_attach"); assert_mprog_count_ifindex(ifindex, target, max_progs); close(prog_fd); cleanup: if (last_fd > 0) close(last_fd); ASSERT_OK(system("ip link del dev tcx_opts1"), "del veth"); ASSERT_EQ(if_nametoindex("tcx_opts1"), 0, "dev1_removed"); ASSERT_EQ(if_nametoindex("tcx_opts2"), 0, "dev2_removed"); } void serial_test_tc_opts_max(void) { test_tc_opts_max_target(BPF_TCX_INGRESS, 0, false); test_tc_opts_max_target(BPF_TCX_EGRESS, 0, false); test_tc_opts_max_target(BPF_TCX_INGRESS, BPF_F_BEFORE, false); test_tc_opts_max_target(BPF_TCX_EGRESS, BPF_F_BEFORE, true); test_tc_opts_max_target(BPF_TCX_INGRESS, BPF_F_AFTER, true); test_tc_opts_max_target(BPF_TCX_EGRESS, BPF_F_AFTER, false); } static void test_tc_opts_query_target(int target) { const size_t attr_size = offsetofend(union bpf_attr, query); LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; union bpf_attr attr; __u32 prog_ids[10]; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); fd2 = bpf_program__fd(skel->progs.tc2); fd3 = bpf_program__fd(skel->progs.tc3); fd4 = bpf_program__fd(skel->progs.tc4); id1 = id_from_prog_fd(fd1); id2 = id_from_prog_fd(fd2); id3 = id_from_prog_fd(fd3); id4 = id_from_prog_fd(fd4); assert_mprog_count(target, 0); LIBBPF_OPTS_RESET(opta, .expected_revision = 1, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; assert_mprog_count(target, 1); LIBBPF_OPTS_RESET(opta, .expected_revision = 2, ); err = bpf_prog_attach_opts(fd2, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup1; assert_mprog_count(target, 2); LIBBPF_OPTS_RESET(opta, .expected_revision = 3, ); err = bpf_prog_attach_opts(fd3, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup2; assert_mprog_count(target, 3); LIBBPF_OPTS_RESET(opta, .expected_revision = 4, ); err = bpf_prog_attach_opts(fd4, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup3; assert_mprog_count(target, 4); /* Test 1: Double query via libbpf API */ err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids, NULL, "prog_ids"); ASSERT_EQ(optq.link_ids, NULL, "link_ids"); memset(prog_ids, 0, sizeof(prog_ids)); optq.prog_ids = prog_ids; err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(optq.count, 4, "count"); ASSERT_EQ(optq.revision, 5, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(optq.prog_ids[2], id3, "prog_ids[2]"); ASSERT_EQ(optq.prog_ids[3], id4, "prog_ids[3]"); ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]"); ASSERT_EQ(optq.link_ids, NULL, "link_ids"); /* Test 2: Double query via bpf_attr & bpf(2) directly */ memset(&attr, 0, attr_size); attr.query.target_ifindex = loopback; attr.query.attach_type = target; err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(attr.query.count, 4, "count"); ASSERT_EQ(attr.query.revision, 5, "revision"); ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); ASSERT_EQ(attr.query.attach_type, target, "attach_type"); ASSERT_EQ(attr.query.prog_ids, 0, "prog_ids"); ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); memset(prog_ids, 0, sizeof(prog_ids)); attr.query.prog_ids = ptr_to_u64(prog_ids); err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(attr.query.count, 4, "count"); ASSERT_EQ(attr.query.revision, 5, "revision"); ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); ASSERT_EQ(attr.query.attach_type, target, "attach_type"); ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids"); ASSERT_EQ(prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(prog_ids[2], id3, "prog_ids[2]"); ASSERT_EQ(prog_ids[3], id4, "prog_ids[3]"); ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); /* Test 3: Query with smaller prog_ids array */ memset(&attr, 0, attr_size); attr.query.target_ifindex = loopback; attr.query.attach_type = target; memset(prog_ids, 0, sizeof(prog_ids)); attr.query.prog_ids = ptr_to_u64(prog_ids); attr.query.count = 2; err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); ASSERT_EQ(err, -1, "prog_query_should_fail"); ASSERT_EQ(errno, ENOSPC, "prog_query_should_fail"); ASSERT_EQ(attr.query.count, 4, "count"); ASSERT_EQ(attr.query.revision, 5, "revision"); ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); ASSERT_EQ(attr.query.attach_type, target, "attach_type"); ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids"); ASSERT_EQ(prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]"); ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]"); ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); /* Test 4: Query with larger prog_ids array */ memset(&attr, 0, attr_size); attr.query.target_ifindex = loopback; attr.query.attach_type = target; memset(prog_ids, 0, sizeof(prog_ids)); attr.query.prog_ids = ptr_to_u64(prog_ids); attr.query.count = 10; err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(attr.query.count, 4, "count"); ASSERT_EQ(attr.query.revision, 5, "revision"); ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); ASSERT_EQ(attr.query.attach_type, target, "attach_type"); ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids"); ASSERT_EQ(prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(prog_ids[1], id2, "prog_ids[1]"); ASSERT_EQ(prog_ids[2], id3, "prog_ids[2]"); ASSERT_EQ(prog_ids[3], id4, "prog_ids[3]"); ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); /* Test 5: Query with NULL prog_ids array but with count > 0 */ memset(&attr, 0, attr_size); attr.query.target_ifindex = loopback; attr.query.attach_type = target; memset(prog_ids, 0, sizeof(prog_ids)); attr.query.count = sizeof(prog_ids); err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(attr.query.count, 4, "count"); ASSERT_EQ(attr.query.revision, 5, "revision"); ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); ASSERT_EQ(attr.query.attach_type, target, "attach_type"); ASSERT_EQ(prog_ids[0], 0, "prog_ids[0]"); ASSERT_EQ(prog_ids[1], 0, "prog_ids[1]"); ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]"); ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]"); ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); ASSERT_EQ(attr.query.prog_ids, 0, "prog_ids"); ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); /* Test 6: Query with non-NULL prog_ids array but with count == 0 */ memset(&attr, 0, attr_size); attr.query.target_ifindex = loopback; attr.query.attach_type = target; memset(prog_ids, 0, sizeof(prog_ids)); attr.query.prog_ids = ptr_to_u64(prog_ids); err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); if (!ASSERT_OK(err, "prog_query")) goto cleanup4; ASSERT_EQ(attr.query.count, 4, "count"); ASSERT_EQ(attr.query.revision, 5, "revision"); ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); ASSERT_EQ(attr.query.attach_type, target, "attach_type"); ASSERT_EQ(prog_ids[0], 0, "prog_ids[0]"); ASSERT_EQ(prog_ids[1], 0, "prog_ids[1]"); ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]"); ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]"); ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids"); ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); /* Test 7: Query with invalid flags */ attr.query.attach_flags = 0; attr.query.query_flags = 1; err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); ASSERT_EQ(err, -1, "prog_query_should_fail"); ASSERT_EQ(errno, EINVAL, "prog_query_should_fail"); attr.query.attach_flags = 1; attr.query.query_flags = 0; err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); ASSERT_EQ(err, -1, "prog_query_should_fail"); ASSERT_EQ(errno, EINVAL, "prog_query_should_fail"); cleanup4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 3); cleanup3: err = bpf_prog_detach_opts(fd3, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 2); cleanup2: err = bpf_prog_detach_opts(fd2, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 1); cleanup1: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_query(void) { test_tc_opts_query_target(BPF_TCX_INGRESS); test_tc_opts_query_target(BPF_TCX_EGRESS); } static void test_tc_opts_query_attach_target(int target) { LIBBPF_OPTS(bpf_prog_attach_opts, opta); LIBBPF_OPTS(bpf_prog_detach_opts, optd); LIBBPF_OPTS(bpf_prog_query_opts, optq); struct test_tc_link *skel; __u32 prog_ids[2]; __u32 fd1, id1; int err; skel = test_tc_link__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; fd1 = bpf_program__fd(skel->progs.tc1); id1 = id_from_prog_fd(fd1); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup; ASSERT_EQ(optq.count, 0, "count"); ASSERT_EQ(optq.revision, 1, "revision"); LIBBPF_OPTS_RESET(opta, .expected_revision = optq.revision, ); err = bpf_prog_attach_opts(fd1, loopback, target, &opta); if (!ASSERT_EQ(err, 0, "prog_attach")) goto cleanup; memset(prog_ids, 0, sizeof(prog_ids)); optq.prog_ids = prog_ids; optq.count = ARRAY_SIZE(prog_ids); err = bpf_prog_query_opts(loopback, target, &optq); if (!ASSERT_OK(err, "prog_query")) goto cleanup1; ASSERT_EQ(optq.count, 1, "count"); ASSERT_EQ(optq.revision, 2, "revision"); ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]"); ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]"); cleanup1: err = bpf_prog_detach_opts(fd1, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); assert_mprog_count(target, 0); cleanup: test_tc_link__destroy(skel); } void serial_test_tc_opts_query_attach(void) { test_tc_opts_query_attach_target(BPF_TCX_INGRESS); test_tc_opts_query_attach_target(BPF_TCX_EGRESS); }
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1