From 0ff42b6f995584eac37aeca76f6b04e8ee912a9b Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Tue, 31 Jan 2023 07:37:18 +0100 Subject: xdp: remove documentation - feature not supported in VyOS 1.3 --- docs/_include/interface-xdp.txt | 27 --------------------------- 1 file changed, 27 deletions(-) delete mode 100644 docs/_include/interface-xdp.txt (limited to 'docs/_include') diff --git a/docs/_include/interface-xdp.txt b/docs/_include/interface-xdp.txt deleted file mode 100644 index d87151fc..00000000 --- a/docs/_include/interface-xdp.txt +++ /dev/null @@ -1,27 +0,0 @@ -.. cfgcmd:: set interfaces {{ var0 }} xdp - - Enable support for Linux :abbr:`XDP (eXpress Data Path)` on recent 1.3 rolling - releases. You must enable it for every interface which should participate in - the XDP forwarding. - - XDP is an eBPF based high performance data path merged in the Linux kernel - since version 4.8. The idea behind XDP is to add an early hook in the RX path - of the kernel, and let a user supplied eBPF program decide the fate of the - packet. The hook is placed in the NIC driver just after the interrupt - processing, and before any memory allocation needed by the network stack - itself, because memory allocation can be an expensive operation. - - .. warning:: This is highly experimental! - - .. note:: Enabling this feature will break any form of NAT or Firewalling on - this interface, as XDP is handled way earlier in the driver then iptables/ - nftables. - - Enabling this feature will only load the XDP router code as described here: - https://blog.apnic.net/2020/04/30/how-to-build-an-xdp-based-bgp-peering-router/ - - Example: - - .. code-block:: none - - set interfaces {{ var0 }} {{ var1 }} xdp \ No newline at end of file -- cgit v1.2.3