Network_data_flow_through_kernel API Map
Network_data_flow_through_kernel - here is a detailed IPv4 Network API and data-structure API Map originally published in Linux Foundation Wiki
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Network_data_flow_through_kernel - here is a detailed IPv4 Network API and data-structure API Map originally published in Linux Foundation Wiki
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…
As I discussed in various episodes and articles in the past there are various ways via which you can communicate from Kernel space to User space and vice-versa. Some of…
The Linux kernel is the backbone of the Linux operating system. A device tree is a hierarchical tree structure that describes the various devices that are present in a system,…
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…
https://youtu.be/fMctLB-CfRI
Here is my multi-episode video series on evaluation of Rockchip ROC-RK3566-PC from Firefly with stock OpenWRT firmware.
https://youtu.be/RNXtPi13Ne0 https://youtu.be/JnfQ-zNorFw
Refer:int ip_local_deliver(struct sk_buff *skb) ↗static inline bool ip_is_fragment(const struct iphdr *iph) ↗int ip_defrag(struct net *net, struct sk_buff *skb, u32 user) ↗static int ip_finish_output(struct net *net, struct sock *sk, struct sk_buff…
https://youtu.be/zjX--uUbA6o
/sysfs is one of the most popular kernel to user-space interface which you can leverage to add an interface to your Kernel code such as Kernel modules, Kernel Device Drivers,…
One of the important aspects a beginner who is into Linux Kernel space systems software development has to understand is that unlike user-space C/C++ programming, where you can freely include…
https://youtu.be/MVRnK7h1-rE
Here is the source code discussed in this video episode Refer:Linux Kernel Source – Documentation/networking/tuntap.txt – Universal TUN/TAP device driver ↗Wiki TUN/TAP ↗
For example: you may get vtund client-server daemon errors like these !You can kindly watch my video above and learn how you can debug, avoid and address the same. vtund…