{"id":603,"date":"2016-04-02T16:51:37","date_gmt":"2016-04-02T14:51:37","guid":{"rendered":"http:\/\/queen.run.montefiore.ulg.ac.be\/~barbette\/?p=603"},"modified":"2016-04-02T16:51:37","modified_gmt":"2016-04-02T14:51:37","slug":"consume_skb-vs-kfree_skb","status":"publish","type":"post","link":"https:\/\/perso.uclouvain.be\/tom.barbette\/consume_skb-vs-kfree_skb\/","title":{"rendered":"consume_skb vs kfree_skb"},"content":{"rendered":"

Looking at the documentation of the function (or simply online at https:\/\/kernel.org\/doc\/htmldocs\/networking\/API-consume-skb.html) you’ll find that kfree_skb is intended to be used on error.<\/p>\n

In our rx_handler, it’s a feature, not a bug. So consume_skb is better.\u00a0If you used kfree_skb, It was okay regarding marking for Step 4.<\/p>\n

Be warned that my last test will make a transfer of a big file through a mode 1 interface… If you forgot the free, it will fill the memory !<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Looking at the documentation of the function (or simply online at https:\/\/kernel.org\/doc\/htmldocs\/networking\/API-consume-skb.html) you’ll find that kfree_skb is intended to be used on error. In our rx_handler, it’s a feature, not a bug. So consume_skb is better.\u00a0If you used kfree_skb, It was okay regarding marking for Step 4. Be warned that my last test will make … <\/p>\n

Continue reading “consume_skb vs kfree_skb”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-603","post","type-post","status-publish","format-standard","hentry","category-os2016"],"yoast_head":"\nconsume_skb vs kfree_skb - Tom Barbette<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/perso.uclouvain.be\/tom.barbette\/consume_skb-vs-kfree_skb\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"consume_skb vs kfree_skb - Tom Barbette\" \/>\n<meta property=\"og:description\" content=\"Looking at the documentation of the function (or simply online at https:\/\/kernel.org\/doc\/htmldocs\/networking\/API-consume-skb.html) you’ll find that kfree_skb is intended to be used on error. In our rx_handler, it’s a feature, not a bug. So consume_skb is better.\u00a0If you used kfree_skb, It was okay regarding marking for Step 4. 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