diff options
| -rw-r--r-- | docs/_include/interface-xdp.txt | 24 | ||||
| -rw-r--r-- | docs/configuration/interfaces/bonding.rst | 8 | ||||
| -rw-r--r-- | docs/configuration/interfaces/ethernet.rst | 21 |
3 files changed, 35 insertions, 18 deletions
diff --git a/docs/_include/interface-xdp.txt b/docs/_include/interface-xdp.txt new file mode 100644 index 00000000..6f5f88c1 --- /dev/null +++ b/docs/_include/interface-xdp.txt @@ -0,0 +1,24 @@ +.. cfgcmd:: set interfaces {{ var0 }} <interface> 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. + + Example: + + .. code-block:: none + + set interfaces {{ var0 }} {{ var1 }} xdp
\ No newline at end of file diff --git a/docs/configuration/interfaces/bonding.rst b/docs/configuration/interfaces/bonding.rst index 92601b37..bf7cfc2c 100644 --- a/docs/configuration/interfaces/bonding.rst +++ b/docs/configuration/interfaces/bonding.rst @@ -256,6 +256,13 @@ Bond options The maximum number of targets that can be specified is 16. The default value is no IP addresses. +Offloading +---------- + +.. cmdinclude:: /_include/interface-xdp.txt + :var0: bonding + :var1: bond0 + VLAN ==== @@ -265,6 +272,7 @@ VLAN Port Mirror (SPAN) ================== + .. cmdinclude:: ../../_include/interface-mirror.txt :var0: bonding :var1: bond1 diff --git a/docs/configuration/interfaces/ethernet.rst b/docs/configuration/interfaces/ethernet.rst index 8c6bcc07..2eca130f 100644 --- a/docs/configuration/interfaces/ethernet.rst +++ b/docs/configuration/interfaces/ethernet.rst @@ -92,24 +92,9 @@ Offloading the IPv4 ID is not sequentially incrementing it will be altered so that it is when a frame assembled via GRO is segmented via GSO. -.. cfgcmd:: set interfaces ethernet <interface> 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. +.. cmdinclude:: /_include/interface-xdp.txt + :var0: ethernet + :var1: eth0 VLAN ==== |