{"id":1465,"date":"2010-05-11T18:21:50","date_gmt":"2010-05-11T12:51:50","guid":{"rendered":"http:\/\/www.jeffrin.in\/?p=1465"},"modified":"2010-05-11T18:21:50","modified_gmt":"2010-05-11T12:51:50","slug":"size-of-socket-reads-that-will-be-offloaded-to-a-dma-copy-engine","status":"publish","type":"post","link":"https:\/\/www.trueangle.org\/index.php\/2010\/05\/11\/size-of-socket-reads-that-will-be-offloaded-to-a-dma-copy-engine\/","title":{"rendered":"size of socket reads that will be offloaded to a DMA copy engine"},"content":{"rendered":"<pre class=\"brush:bash\">\n$cat \/proc\/sys\/net\/ipv4\/tcp_dma_copybreak\n4096\n$\n<\/pre>\n<pre class=\"brush:text\">\ntcp_dma_copybreak - INTEGER\nLower limit, in bytes, of the size of socket reads that will be\noffloaded to a DMA copy engine, if one is present in the system\nand CONFIG_NET_DMA is enabled.\nDefault: 4096\n<\/pre>\n<pre class=\"brush:text\">\ngrepping through linux kernel source 2.6.32\nsysctl_net_ipv4.c:              .procname       = \"tcp_dma_copybreak\",\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>$cat \/proc\/sys\/net\/ipv4\/tcp_dma_copybreak 4096 $ tcp_dma_copybreak &#8211; INTEGER Lower limit, in bytes, of the size of socket reads that will be offloaded to a DMA copy engine, if one is present in the system and CONFIG_NET_DMA is enabled. Default: 4096 grepping through linux kernel source 2.6.32 sysctl_net_ipv4.c: .procname = &#8220;tcp_dma_copybreak&#8221;,<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[1046],"_links":{"self":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/1465"}],"collection":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/comments?post=1465"}],"version-history":[{"count":0,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/1465\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/media?parent=1465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/categories?post=1465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/tags?post=1465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}