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diff --git a/doc/guides/prog_guide/glossary.rst b/doc/guides/prog_guide/glossary.rst new file mode 100644 index 00000000..4cbed4c6 --- /dev/null +++ b/doc/guides/prog_guide/glossary.rst @@ -0,0 +1,274 @@ +.. BSD LICENSE + Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +Glossary +======== + + +ACL + Access Control List + +API + Application Programming Interface + +ASLR + Linux* kernel Address-Space Layout Randomization + +BSD + Berkeley Software Distribution + +Clr + Clear + +CIDR + Classless Inter-Domain Routing + +Control Plane + The control plane is concerned with the routing of packets and with + providing a start or end point. + +Core + A core may include several lcores or threads if the processor supports + hyperthreading. + +Core Components + A set of libraries provided by the DPDK, including eal, ring, mempool, + mbuf, timers, and so on. + +CPU + Central Processing Unit + +CRC + Cyclic Redundancy Check + +ctrlmbuf + An *mbuf* carrying control data. + +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 + +Doxygen + A documentation generator used in the DPDK to generate the API reference. + +DPDK + Data Plane Development Kit + +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. + +FIFO + First In First Out + +FPGA + Field Programmable Gate Array + +GbE + Gigabit Ethernet + +HW + Hardware + +HPET + High Precision Event Timer; a hardware timer that provides a precise time + reference on x86 platforms. + +ID + Identifier + +IOCTL + Input/Output Control + +I/O + Input/Output + +IP + Internet Protocol + +IPv4 + Internet Protocol version 4 + +IPv6 + Internet Protocol version 6 + +lcore + A logical execution unit of the processor, sometimes called a *hardware + thread*. + +KNI + Kernel Network Interface + +L1 + Layer 1 + +L2 + Layer 2 + +L3 + Layer 3 + +L4 + Layer 4 + +LAN + Local Area Network + +LPM + Longest Prefix Match + +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*. + +MESI + Modified Exclusive Shared Invalid (CPU cache coherency protocol) + +MTU + Maximum Transfer Unit + +NIC + Network Interface Card + +OOO + Out Of Order (execution of instructions within the CPU pipeline) + +NUMA + Non-uniform Memory Access + +PCI + Peripheral Connect Interface + +PHY + An abbreviation for the physical layer of the OSI model. + +pktmbuf + An *mbuf* carrying a network packet. + +PMD + Poll Mode Driver + +QoS + Quality of Service + +RCU + Read-Copy-Update algorithm, an alternative to simple rwlocks. + +Rd + Read + +RED + Random Early Detection + +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. + +Rx + Reception + +Slave lcore + Any *lcore* that is not the *master lcore*. + +Socket + A physical CPU, that includes several *cores*. + +SLA + Service Level Agreement + +srTCM + Single Rate Three Color Marking + +SRTD + Scheduler Round Trip Delay + +SW + Software + +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 + +TC + Traffic Class + +TLB + Translation Lookaside Buffer + +TLS + Thread Local Storage + +trTCM + Two Rate Three Color Marking + +TSC + Time Stamp Counter + +Tx + Transmission + +TUN/TAP + TUN and TAP are virtual network kernel devices. + +VLAN + Virtual Local Area Network + +Wr + Write + +WRED + Weighted Random Early Detection + +WRR + Weighted Round Robin |