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* ebpf: Updated eBPF program and skeleton.Andrew Melnychenko2024-03-121-2/+5
| | | | | | | | | | | | | Updated section name, so libbpf should init/gues proper program type without specifications during open/load. Also, added map_flags with explicitly declared BPF_F_MMAPABLE. Added check for BPF_F_MMAPABLE flag to meson script and requirements to libbpf version. Also changed fragmentation flag check - some TCP/UDP packets may be considered fragmented if DF flag is set. Signed-off-by: Andrew Melnychenko <andrew@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
* ebpf: fix compatibility with libbpf 1.0+Shreesh Adiga2023-03-101-23/+20
| | | | | | | | | | | The current implementation fails to load on a system with libbpf 1.0 and reports that legacy map definitions in 'maps' section are not supported by libbpf v1.0+. This commit updates the Makefile to add BTF (-g flag) and appropriately updates the maps in rss.bpf.c and update the skeleton file in repo. Signed-off-by: Shreesh Adiga <16567adigashreesh@gmail.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
* ebpf: Added eBPF RSS program.Andrew Melnychenko2021-06-041-0/+571
RSS program and Makefile to build it. The bpftool used to generate '.h' file. The data in that file may be loaded by libbpf. EBPF compilation is not required for building qemu. You can use Makefile if you need to regenerate rss.bpf.skeleton.h. Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com> Signed-off-by: Andrew Melnychenko <andrew@daynix.com> Signed-off-by: Jason Wang <jasowang@redhat.com>