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Toke Høiland-Jørgensen dabfe929ae xdp/parsing_helpers: Check IP protocol version when parsing

Add a check that the protocol version field matches the expected value when
parsing IPv4 and IPv6 headers. This makes it possible to parse an IP header
that we don't know the version of (such as on interfaces that don't use an
Ethernet header).

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>

2021-06-18 00:56:08 +02:00

bpf-link-hang

bpf-link-hang: Add bpftrace invocation to show hang in synchronize_rcu_tasks

2021-03-23 13:07:36 +01:00

encap-forward

encap-forward: Move setting of the ethertype to the encap_* functions

2020-11-25 11:31:06 +01:00

headers

Adjustments to README based on Toke's review

2021-02-15 17:18:38 +01:00

include

xdp/parsing_helpers: Check IP protocol version when parsing

2021-06-18 00:56:08 +02:00

lib

lib: Add lib/util for adding utility library code

2021-06-01 17:16:24 +02:00

lsm-nobpf

lsm-nobpf: Check for presence of BPF LSM before loading

2020-10-12 16:53:24 +02:00

MTU-tests

Merge pull request #8 from xdp-project/cleanups02.public

2021-01-14 14:05:42 +01:00

pping

pping: Add presentation from Bufferbloat meeting 2021-06-08

2021-06-08 23:18:57 +02:00

tc-basic-classifier

Adding a basic TC eBPF Qdisc classifier example

2021-03-17 02:26:58 +01:00

traffic-pacing-edt

traffic-pacing-edt: Prepare that rate can come from BPF-map

2021-02-09 14:28:45 +01:00

.gitignore

Initial import with encap-forward example

2020-10-06 15:53:55 +02:00

.gitmodules

.gitmodules: Add ignore=dirty for libbpf

2021-01-13 17:10:20 +01:00

configure

configure: check for bpf_tc_attach() in libbpf

2021-06-01 17:03:18 +02:00

Makefile

Makefile: clean target should also call clean for lib directory

2021-01-13 18:09:09 +01:00

README.md

Adjustments to README based on Toke's review

2021-02-15 17:18:38 +01:00

README.md

Practical BPF examples

This git repository contains a diverse set of practical BPF examples that solve (or demonstrate) a specific use-case using BPF.

It is meant to ease doing rapid prototyping and development, writing C-code BPF programs using libbpf. The goal is to make is easier for developers to get started coding.

Many developers struggle to get a working BPF build environment. The repo enviroment makes it easy to build/compile BPF programs by doing the necessary libbpf setup transparently and detect missing compile dependencies (via the (configure)[configure] script). It is a declared goal to make BPF programming more consumable by detecting and reporting issues (when possible).