xdp-tutorial

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packet03-redirecting：libbpf: Error in bpf_object__probe_name():Operation not permitted(1). Couldn't load basic 'r0 = 0' BPF program

10

[root@localhost packet03-redirecting]# make ... [root@localhost packet03-redirecting]# t exec -n left -- ./xdp_loader -d veth0 -F --progsec xdp_pass libbpf: Error in bpf_object__probe_name():Operation not permitted(1). Couldn't load basic 'r0 = 0' BPF...

sofardware

Avoid using bpf_object__find_program_by_title

1

As Andrii Nakryiko says in [this post](https://lore.kernel.org/netdev/CAEf4Bzby0AwzKfKwd5ZKXaEg1a1hpEfoPsqVLwPQVr89nAAxEA@mail.gmail.com/) we should not use `bpf_object__find_program_by_title` : > It would be good to avoid using find_program_by_title(), as it's going to get deprecated and eventually...

netoptimizer

Testing "offline"?

3

Is there an easy way to simulate and test my functions? I want to play around with IPv6 headers and it would be easier to do the parsing and testing...

PolynomialDivision

OpenWrt: Cross compile?

5

Thanks for making this awesome tutorials! I try using ebpf on OpenWrt. I can easily cross compile the ebpf programms with changing the Makefile target to `bpfeb`. I can even...

PolynomialDivision

issue in generating checksum on a payload

9

Hi All, I am trying to do following things using xdp: 1. parse in coming packets 2. if packets are ICMP or PROFINET, extract the payload(anything after vlan hdr) and...

sachintiptur

Update libbpf to 0.0.8 release

3

Update libbpf and pin to specific release (0.0.8). Starting from 0.0.7 libbpf requires zlib as a build dependency. This PR adds -lz to LIBS in common.mk and adds zlib-devel as...

zebaz

advanced01-xdp-tc-interact: When would this sample be supplemented ?

1

https://github.com/xdp-project/xdp-tutorial/tree/master/advanced01-xdp-tc-interact

hi-glenn

Update setup_dependencies.org

1

Debian now has bpftool, in testing and newer, as well as available in buster-backports

micah

Now I know a list that shows all nic drivers supporting xdp. https://github.com/iovisor/bcc/blob/master/docs/kernel-versions.md#xdp

hi-glenn

Libbpf update

1

This is the minimum conversion needed to update libbpf (as suggested in #155); should we keep it at this, or also port the map definitions to new-style BTF while we're...

tohojo