{"id":105254,"date":"2022-10-05T15:36:53","date_gmt":"2022-10-05T13:36:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux"},"modified":"2022-10-05T15:36:53","modified_gmt":"2022-10-05T13:36:53","slug":"vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/vo-freebsd-dobavlena-podderzhka-protokola-netlink-primenyaemogo-v-yadre-linux","title":{"rendered":"U FreeBSD je dodana podr\u0161ka za Netlink protokol, kori\u0161ten u Linux jezgri.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>U kodnu bazu FreeBSD prihva\u0107ena je implementacija komunikacijskog protokola Netlink (RFC 3549), koji se koristi u Linuxu za organizaciju interakcije izme\u0111u jezgre i procesa u korisni\u010dkom prostoru. Projekt se ograni\u010dava na podr\u0161ku za obitelj operacija NETLINK_ROUTE za upravljanje stanjem mre\u017enog podsustava u jezgri.    <\/p>\n<p>U trenutnom obliku razina podr\u0161ke za Netlink omogu\u0107uje kori\u0161tenje Linux alata ip iz paketa iproute2 za upravljanje mre\u017enim su\u010deljima, postavljanje IP adresa, konfiguriranje usmjeravanja i manipulaciju objektima nexthop, koji sadr\u017ee podatke o stanju potrebne za prijenos paketa na \u017eeljenu odredi\u0161nu to\u010dku. Nakon manjih promjena u zaglavljima, mogu\u0107e je koristiti Netlink u paketu za usmjeravanje Bird.    <\/p>\n<p>Implementacija Netlinka za FreeBSD izvedena je kao u\u010ditaju\u0107i modul jezgre, koji, gdje god je to mogu\u0107e, ne utje\u010de na druge podsustave jezgre i stvara odvojene redove zadataka (tasqueue) za obradu pristiglih poruka putem protokola i izvo\u0111enje operacija u asinkronom re\u017eimu. Kao razlog portiranja Netlinka navodi se nedostatak standardnog mehanizma za interakciju s podsustavima jezgre, \u0161to dovodi do toga da razli\u010diti podsustavi i driveri izmi\u0161ljaju vlastite protokole.     <\/p>\n<p>Netlink nudi uniforme komunikacijski sloj i pro\u0161irivi format poruka, koji mo\u017ee djelovati kao posrednik, automatski kombiniraju\u0107i raznolike podatke iz razli\u010ditih izvora u jednom zahtjevu. Na primjer, u Netlink se mogu prevesti takvi podsustavi FreeBSD-a kao \u0161to su devd, jail i pfilctl, koji trenutno koriste vlastite pozive ioctl, \u0161to \u0107e znatno olak\u0161ati izradu aplikacija za rad s podacima tih podsustava. Osim toga, kori\u0161tenje Netlinka za promjenu objekata i grupa nexthop u stogu usmjeravanja omogu\u0107it \u0107e u\u010dinkovitiju interakciju sa procesima usmjeravanja u korisni\u010dkom prostoru.          <\/p>\n<p>Trenutno implementirane mogu\u0107nosti:  <\/p>\n<ul>\n<li class=\"l\"> Dohva\u0107anje informacija o rutama, objektima i grupama nexthop-a, mre\u017enim su\u010deljima, adresama i susjednim hostovima (arp\/ndp).\n<li class=\"l\"> Formiranje obavijesti o pojavi i isklju\u010denju mre\u017enih su\u010delja, postavljanju i uklanjanju adresa, dodavanju i uklanjanju ruta.\n<li class=\"l\"> Dodavanje i uklanjanje ruta, objekata i grupa nexthop-a, gateway-a, mre\u017enih su\u010delja.\n<li class=\"l\"> Integracija s Rtsock su\u010deljem za upravljanje tablicom usmjeravanja.  <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57873\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 FreeBSD \u043f\u0440\u0438\u043d\u044f\u0442\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Netlink (RFC 3549), \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0432 Linux \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u044f\u0434\u0440\u0430 \u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u043c\u0438 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041f\u0440\u043e\u0435\u043a\u0442 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 NETLINK_ROUTE \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0432 \u044f\u0434\u0440\u0435. \u0412 \u0442\u0435\u043a\u0443\u0449\u0435\u043c \u0432\u0438\u0434\u0435 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 Netlink \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u043e FreeBSD Linux-\u0443\u0442\u0438\u043b\u0438\u0442\u0443 ip \u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u0430 iproute2 \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u043c\u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430\u043c\u0438, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105254","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 FreeBSD \u043f\u0440\u0438\u043d\u044f\u0442\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f 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