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for things like websocket which depends on the number of file descriptors, does AF_XDP have file descriptors per connection?
sorry was just curious. i've tried out asavie/xdp repo but not sure abou…
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BPF_OBJ_GET permissions were relaxed in 4.4 to not require CAP_SYS_ADMIN. We should do a runtime probe to determine this during the permissions step, and not require it if it's not needed.
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**Current**: We use AF_PACKET as a default packet capture technology as it is the most compatible library that fits many OSs. We're introducing AF_XDP which is based on eBPF, provides much better per…
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I try to write eBPF program which redirects some packets to user-space using AF_XDP socket and XSK_MAP. I patched RedBPF to add support for XSK maps. But then I need some crate for working with AF_XDP…
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Section [1] warns about multiple NIC queues, but AFAICT veth, at least by default, does not use multiple queues. So now to the question: Is there a way to make veth use multiple queue for testing XDP …
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Hi,
I'm using k3s on ubuntu 22.04 and trying to install NSM.
Hugepage was setup as
```sh
cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-6.8.0-40-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro console=…
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Currently we do this to enable AF_XDP.
[config](https://github.com/omec-project/upf-epc/blob/bec287709e9973d69ddbb903fe4bee97c0978779/Dockerfile#L48)
[makefile patch](https://github.com/omec-proje…
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how does af_xdp assign the cpu core for processing in? need to use so reuse port or something? or is there a possibility to divert it to the right cpu thread etc? sorry newbie on this
ouvaa updated
5 months ago
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I am using AF_XDP which is integrated into DPDK, but I met this libbpf error while setup af_xdp device:
```
Set up rx queue, rx queue id: 0, xsk queue id: 0
libbpf: can't get next link: Invalid arg…
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I am trying to write AF_XDP program for passing only packets having specific udp port with bpf_redirect_map, but sometimes no packets are coming to AF_XDP socket. My sender and receiver are connected …