Circular Ring Buffers Architecture – Linux Kernel – Device Drivers – Network Stack
thelinuxchannel A circular buffer, circular queue, cyclic buffer or ring buffer is a data structure is a fixed-size buffer as if it were connected end-to-end or can be a dynamic one…
thelinuxchannel
libpcap Library – Linux User-space Network Stack Development
libpcap is a very popular user-space networking library, with which you can capture and or generate packets. libpcap is the underlying framework for many popular packet capture tools such as…
Linux Kernel Programming – Kernel Source-code Porting – Introduction #kernel #linux #coding
At times you may come across some old or legacy kernel source-code which could be something you stumbled across online open-source code or it could be your organization proprietary code…
Linux Kernel-Space Socket Programming – Introduction #kernel #linux #networking
Usually as a part of network software development you do socket programming. But this is typically done in user-space, where the user-space socket APIs takes the instructions (via socket API…
Using a GPS Sensor #IoT #GPS #ArduinoUNO #Skylab-SKG13BL
A GPS receiver uses satellites to pinpoint locations, so as long as you have a GPS receiver and a clear view of the sky, you'll never be lost again. So…
VPN Stack Architecture – Linux Kernel Virtual Network Interfaces – OpenVPN – Wireguard – VTun – IPsec
Every VPN stack is architecture is done in a specific way to accomplish fundamental VPN specifications, requirements and goals. As a part of VPN Network stack architecture quite often we…
VPN and Tunnel Network Overheads – MTU – Tunnel Headers – VPN Packet Encapsulations #vpn #networking #sdwan
When you architect and implement a VPN deployment as a part of standalone setup or leveraging VPN technologies as one of your building blocks of your SD-WAN product architecture, one…
Roadmap – How to become Linux Kernel Developer – Device Drivers Programmer and a Systems Software Expert #classes #courses
Many viewers and even sometimes my students ask me how I can become a kernel programmer or just device driver developer and so on. So here is my YouTube video…
Linux Kernel Programming – atomic_t datatype – atomic variables and APIs #programming #kernel #linux
If you allocate any global variables and when you access them (i.e read or write) at different parts of the code you are supposed to use locks such as Spinlocks,…
GOTO Statements in Linux Kernel Source #kernel #linux #programming #kernelprogramming #goto
If you are a student you may come across a term called structured programming. Which actually means you write a smooth flow of code and whenever required you steer the…