Network_data_flow_through_kernel API Map
thelinuxchannel Network_data_flow_through_kernel - here is a detailed IPv4 Network API and data-structure API Map originally published in Linux Foundation Wiki
networking
Linux Kernel Network Programming – dst_entry data-structure – Introduction and code-walk
dst_entry() is one of the important Linux Kernel Networking subsystem data-structure which is used while navigating the packet flow within the IPv4 stack. It contains function pointers one for input…
Linux Kernel Network stack and architecture
Detailed scheme of the forwarding operations in 2.6 kernel NAPI – www.researchgate.net/profile/Roberto_Bruschi/publication:Figure 4. Detailed scheme of the forwarding operations in 2.6 kernel NAPI. Image courtesy/source HERE The linux networking architecture…
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…
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…
Layer-2 (L2) Multicast Frame Deep Analysis
When you learn networking and network software programming, you learn various aspects of networking. Along with datacom concepts such as network switches, routers and so on. As you learn Ethernet…
Linux Networking Stack – RFS – Receive Flow Steering
Linux Networking Stack Receive Flow Steering (RFS) aim is to increase data-cache hitrate by steering kernel processing of packets to the CPU where the application thread consuming the packet is…
Multi-Client TCP Server with pthreads Mutex Synchronized – Code-walk of viewer code – Sekhar Pariga
Here is a code-walk of a git-hub source submitted by a viewer Sekhar Pariga, which is a Multi-client TCP Server with pthreads Mutex synchronized. Basically it is a Directory Listing…
C code to check valid IP Address (IPv4) – Live Demo and Example
Here is my sample source-code discussed in the video: you can compile the same via: