X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fprog_guide%2Fglossary.rst;h=dda45bd18f5b5e4433ea92693acc54af2921659b;hb=d27a6261875d203424e93d7316a0e92852f367b5;hp=913946d3f369e4b0902a622b4190efa3043a61de;hpb=48624fd96e7c4a9603e383baa193909fea392232;p=dpdk.git diff --git a/doc/guides/prog_guide/glossary.rst b/doc/guides/prog_guide/glossary.rst index 913946d3f3..dda45bd18f 100644 --- a/doc/guides/prog_guide/glossary.rst +++ b/doc/guides/prog_guide/glossary.rst @@ -1,199 +1,244 @@ -.. BSD LICENSE - Copyright(c) 2010-2014 Intel Corporation. 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Glossary ======== -=============== ========================================================================================================= -Term Definition -=============== ========================================================================================================= -ACL Access Control List -API Application Programming Interface +ACL + Access Control List -ASLR Linux* kernel Address-Space Layout Randomization +API + Application Programming Interface -BSD Berkeley Software Distribution +ASLR + Linux* kernel Address-Space Layout Randomization -Clr Clear +BSD + Berkeley Software Distribution -CIDR Classless Inter-Domain Routing +Clr + Clear -Control Plane The control plane is concerned with the routing of packets and with providing a start or end point. +CIDR + Classless Inter-Domain Routing -Core A core may include several lcores or threads if the processor supports hyperthreading. +Control Plane + The control plane is concerned with the routing of packets and with + providing a start or end point. -Core Components A set of libraries provided by the DPDK, including eal, ring, mempool, mbuf, timers, and so on. +Core + A core may include several lcores or threads if the processor supports + hyperthreading. -CPU Central Processing Unit +Core Components + A set of libraries provided by the DPDK, including eal, ring, mempool, + mbuf, timers, and so on. -CRC Cyclic Redundancy Check +CPU + Central Processing Unit -ctrlmbuf An *mbuf* carrying control data. +CRC + Cyclic Redundancy Check -Data Plane In contrast to the control plane, - the data plane in a network architecture are the layers involved when forwarding packets. - These layers must be highly optimized to achieve good performance. +Data Plane + In contrast to the control plane, the data plane in a network architecture + are the layers involved when forwarding packets. These layers must be + highly optimized to achieve good performance. -DIMM Dual In-line Memory Module +DIMM + Dual In-line Memory Module -Doxygen A documentation generator used in the DPDK to generate the API reference. +Doxygen + A documentation generator used in the DPDK to generate the API reference. -DPDK Data Plane Development Kit +DPDK + Data Plane Development Kit -DRAM Dynamic Random Access Memory +DRAM + Dynamic Random Access Memory -EAL The Environment Abstraction Layer (EAL) provides a generic interface that hides the environment specifics - from the applications and libraries. - The services expected from the EAL are: - development kit loading and launching, core affinity/ assignment procedures, - system memory allocation/description, PCI bus access, inter-partition communication. +EAL + The Environment Abstraction Layer (EAL) provides a generic interface that + hides the environment specifics from the applications and libraries. The + services expected from the EAL are: development kit loading and launching, + core affinity/ assignment procedures, system memory allocation/description, + PCI bus access, inter-partition communication. -FIFO First In First Out +FIFO + First In First Out -FPGA Field Programmable Gate Array +FPGA + Field Programmable Gate Array -GbE Gigabit Ethernet +GbE + Gigabit Ethernet -HW Hardware +HW + Hardware -HPET High Precision Event Timer; - a hardware timer that provides a precise time reference on x86 platforms. +HPET + High Precision Event Timer; a hardware timer that provides a precise time + reference on x86 platforms. -ID Identifier +ID + Identifier -IOCTL Input/Output Control +IOCTL + Input/Output Control -I/O Input/Output +I/O + Input/Output -IP Internet Protocol +IP + Internet Protocol -IPv4 Internet Protocol version 4 +IPv4 + Internet Protocol version 4 -IPv6 Internet Protocol version 6 +IPv6 + Internet Protocol version 6 -lcore A logical execution unit of the processor, sometimes called a *hardware thread*. +lcore + A logical execution unit of the processor, sometimes called a *hardware + thread*. -KNI Kernel Network Interface +KNI + Kernel Network Interface -L1 Layer 1 +L1 + Layer 1 -L2 Layer 2 +L2 + Layer 2 -L3 Layer 3 +L3 + Layer 3 -L4 Layer 4 +L4 + Layer 4 -LAN Local Area Network +LAN + Local Area Network -LPM Longest Prefix Match +LPM + Longest Prefix Match -master lcore The execution unit that executes the main() function and that launches other lcores. +master lcore + The execution unit that executes the main() function and that launches + other lcores. -mbuf An mbuf is a data structure used internally to carry messages (mainly network packets). - The name is derived from BSD stacks. - To understand the concepts of packet buffers or mbuf, - refer to *TCP/IP Illustrated, Volume 2: The Implementation*. +mbuf + An mbuf is a data structure used internally to carry messages (mainly + network packets). The name is derived from BSD stacks. To understand the + concepts of packet buffers or mbuf, refer to *TCP/IP Illustrated, Volume 2: + The Implementation*. -MESI Modified Exclusive Shared Invalid (CPU cache coherency protocol) +MESI + Modified Exclusive Shared Invalid (CPU cache coherency protocol) -MTU Maximum Transfer Unit +MTU + Maximum Transfer Unit -NIC Network Interface Card +NIC + Network Interface Card -OOO Out Of Order (execution of instructions within the CPU pipeline) +OOO + Out Of Order (execution of instructions within the CPU pipeline) -NUMA Non-uniform Memory Access +NUMA + Non-uniform Memory Access -PCI Peripheral Connect Interface +PCI + Peripheral Connect Interface -PHY An abbreviation for the physical layer of the OSI model. +PHY + An abbreviation for the physical layer of the OSI model. -pktmbuf An *mbuf* carrying a network packet. +pktmbuf + An *mbuf* carrying a network packet. -PMD Poll Mode Driver +PMD + Poll Mode Driver -QoS Quality of Service +QoS + Quality of Service -RCU Read-Copy-Update algorithm, an alternative to simple rwlocks. +RCU + Read-Copy-Update algorithm, an alternative to simple rwlocks. -Rd Read +Rd + Read -RED Random Early Detection +RED + Random Early Detection -RSS Receive Side Scaling +RSS + Receive Side Scaling -RTE Run Time Environment. - Provides a fast and simple framework for fast packet processing, - in a lightweight environment as a Linux* application and - using Poll Mode Drivers (PMDs) to increase speed. +RTE + Run Time Environment. Provides a fast and simple framework for fast packet + processing, in a lightweight environment as a Linux* application and using + Poll Mode Drivers (PMDs) to increase speed. -Rx Reception +Rx + Reception -Slave lcore Any *lcore* that is not the *master lcore*. +Slave lcore + Any *lcore* that is not the *master lcore*. -Socket A physical CPU, that includes several *cores*. +Socket + A physical CPU, that includes several *cores*. -SLA Service Level Agreement +SLA + Service Level Agreement -srTCM Single Rate Three Color Marking +srTCM + Single Rate Three Color Marking -SRTD Scheduler Round Trip Delay +SRTD + Scheduler Round Trip Delay -SW Software +SW + Software -Target In the DPDK, the target is a combination of architecture, - machine, executive environment and toolchain. - For example: i686-native-linuxapp-gcc. +Target + In the DPDK, the target is a combination of architecture, machine, + executive environment and toolchain. For example: + i686-native-linuxapp-gcc. -TCP Transmission Control Protocol +TCP + Transmission Control Protocol -TC Traffic Class +TC + Traffic Class -TLB Translation Lookaside Buffer +TLB + Translation Lookaside Buffer -TLS Thread Local Storage +TLS + Thread Local Storage -trTCM Two Rate Three Color Marking +trTCM + Two Rate Three Color Marking -TSC Time Stamp Counter +TSC + Time Stamp Counter -Tx Transmission +Tx + Transmission -TUN/TAP TUN and TAP are virtual network kernel devices. +TUN/TAP + TUN and TAP are virtual network kernel devices. -VLAN Virtual Local Area Network +VLAN + Virtual Local Area Network -Wr Write +Wr + Write -WRED Weighted Random Early Detection +WRED + Weighted Random Early Detection -WRR Weighted Round Robin -=============== ========================================================================================================= +WRR + Weighted Round Robin