Netlink is a socket based inter process communication protocol for Linux systems. It is currently the preferred way, as of 2.6, of communicating with user space from the kernel.
Questions tagged [netlink]
337 questions
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Netlink error while using IP queue
I seem to have an issue with IP queue.
I have a linux machine that I am using to run some experiments.
The linux machine is configured to be a router, having two NICs, connecting two other computers, and managing their network traffic.
All incoming…
summerbulb
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netfilter speed limit
I am testing netlink filter application on 1Gbit/sec network: i have user space function sending verdict to netlink socket; another user space routine performs async read of marked packets from netlink socket and some custom filter function. For the…
user270398
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Different ways to enter the kernel mode from the user mode?Is NETLINK Socket one of them ?How?
IS NETLINK Socket be used to enter the kernel mode from the user mode.How can we implement the system call functionality using the NETLINK Socket as both jumps from the user mode to kernel mode?IMHO if at all it is possible?.
RGds,
Softy
Raulp
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Error while using netlink sockets to communicate between user space application and character device in Linux kernel
I have written a kernel driver "hello_kernel" which registers as a character device on a custom node /dev/hello. In the hello_kernel.c file, after calling register_chrdev(), I tried to create a netlink socket using netlink_kernel_create() ( defined…
trans1st0r
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How to convert the below struct in c to python?
How can I convert the ieee80211_hdr(below) to python struct which can decode the bytearray and store the variables?
Thanks
struct ieee80211_hdr {
unsigned char frame_control[2];
unsigned char duration_id[2];
unsigned char addr1[6];
…
nopro
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Anycast/ECMP not working with iproute2/netlink between network namespaces
I am attempting to validate ECMP functionality on a linux host with unnumbered interfaces and network namespaces.
The following example can be used to demonstrate:
# add address to loopback for unnumbered veth interfaces
ip addr add…
theG
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Why am I getting "error: invalid conversion from 'void*' to 'nlattr*'" when I use "nla_for_each_nested" on a nested array?
I'm using libnl3 and nl80211.h to get the available bands for a connected wireless interface.
When I try to compile I get error: invalid conversion from ‘void*’ to ‘nlattr*’. The IDE (CLion) is also complaining about the line…
insecure-IT
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