| Message ID | 1471199749-9378-1-git-send-email-bhanuprakash.bodireddy@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Daniele Di Proietto |
| Headers | show |
Applied to master, thanks! 2016-08-14 11:35 GMT-07:00 Bhanuprakash Bodireddy < bhanuprakash.bodireddy@intel.com>: > Fix numbering in jumbo frames subsection and indentation for markdown > editor viewer. > > Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy@intel.com> > --- > INSTALL.DPDK-ADVANCED.md | 38 +++++++++++++++++++------------------- > 1 file changed, 19 insertions(+), 19 deletions(-) > > diff --git a/INSTALL.DPDK-ADVANCED.md b/INSTALL.DPDK-ADVANCED.md > index 77e202d..dd36ae4 100755 > --- a/INSTALL.DPDK-ADVANCED.md > +++ b/INSTALL.DPDK-ADVANCED.md > @@ -1005,33 +1005,33 @@ supported by Fortville NIC), using the DPDK `i40e` > driver, but larger frames > (particularly in use cases involving East-West traffic only), and other > DPDK NIC > drivers may be supported. > > -### 9.1 vHost Ports and Jumbo Frames > +### 11.1 vHost Ports and Jumbo Frames > > Some additional configuration is needed to take advantage of jumbo frames > with > vhost ports: > > - 1. `mergeable buffers` must be enabled for vHost ports, as > demonstrated in > - the QEMU command line snippet below: > + 1. `mergeable buffers` must be enabled for vHost ports, as demonstrated > in > + the QEMU command line snippet below: > > - ``` > - '-netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce \' > - '-device virtio-net-pci,mac=00:00:00:00:00:01,netdev=mynet1,mrg_ > rxbuf=on' > - ``` > + ``` > + '-netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce \' > + '-device virtio-net-pci,mac=00:00:00:00:00:01,netdev=mynet1,mrg_ > rxbuf=on' > + ``` > > - 2. Where virtio devices are bound to the Linux kernel driver in a > guest > - environment (i.e. interfaces are not bound to an in-guest DPDK > driver), > - the MTU of those logical network interfaces must also be increased > to a > - sufficiently large value. This avoids segmentation of Jumbo Frames > - received in the guest. Note that 'MTU' refers to the length of the > IP > - packet only, and not that of the entire frame. > + 2. Where virtio devices are bound to the Linux kernel driver in a guest > + environment (i.e. interfaces are not bound to an in-guest DPDK > driver), > + the MTU of those logical network interfaces must also be increased > to a > + sufficiently large value. This avoids segmentation of Jumbo Frames > + received in the guest. Note that 'MTU' refers to the length of the IP > + packet only, and not that of the entire frame. > > - To calculate the exact MTU of a standard IPv4 frame, subtract the > L2 > - header and CRC lengths (i.e. 18B) from the max supported frame > size. > - So, to set the MTU for a 9018B Jumbo Frame: > + To calculate the exact MTU of a standard IPv4 frame, subtract the L2 > + header and CRC lengths (i.e. 18B) from the max supported frame size. > + So, to set the MTU for a 9018B Jumbo Frame: > > - ``` > - ifconfig eth1 mtu 9000 > - ``` > + ``` > + ifconfig eth1 mtu 9000 > + ``` > > ## <a name="vsperf"></a> 12. Vsperf > > -- > 2.4.11 > > _______________________________________________ > dev mailing list > dev@openvswitch.org > http://openvswitch.org/mailman/listinfo/dev >
diff --git a/INSTALL.DPDK-ADVANCED.md b/INSTALL.DPDK-ADVANCED.md index 77e202d..dd36ae4 100755 --- a/INSTALL.DPDK-ADVANCED.md +++ b/INSTALL.DPDK-ADVANCED.md @@ -1005,33 +1005,33 @@ supported by Fortville NIC), using the DPDK `i40e` driver, but larger frames (particularly in use cases involving East-West traffic only), and other DPDK NIC drivers may be supported. -### 9.1 vHost Ports and Jumbo Frames +### 11.1 vHost Ports and Jumbo Frames Some additional configuration is needed to take advantage of jumbo frames with vhost ports: - 1. `mergeable buffers` must be enabled for vHost ports, as demonstrated in - the QEMU command line snippet below: + 1. `mergeable buffers` must be enabled for vHost ports, as demonstrated in + the QEMU command line snippet below: - ``` - '-netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce \' - '-device virtio-net-pci,mac=00:00:00:00:00:01,netdev=mynet1,mrg_rxbuf=on' - ``` + ``` + '-netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce \' + '-device virtio-net-pci,mac=00:00:00:00:00:01,netdev=mynet1,mrg_rxbuf=on' + ``` - 2. Where virtio devices are bound to the Linux kernel driver in a guest - environment (i.e. interfaces are not bound to an in-guest DPDK driver), - the MTU of those logical network interfaces must also be increased to a - sufficiently large value. This avoids segmentation of Jumbo Frames - received in the guest. Note that 'MTU' refers to the length of the IP - packet only, and not that of the entire frame. + 2. Where virtio devices are bound to the Linux kernel driver in a guest + environment (i.e. interfaces are not bound to an in-guest DPDK driver), + the MTU of those logical network interfaces must also be increased to a + sufficiently large value. This avoids segmentation of Jumbo Frames + received in the guest. Note that 'MTU' refers to the length of the IP + packet only, and not that of the entire frame. - To calculate the exact MTU of a standard IPv4 frame, subtract the L2 - header and CRC lengths (i.e. 18B) from the max supported frame size. - So, to set the MTU for a 9018B Jumbo Frame: + To calculate the exact MTU of a standard IPv4 frame, subtract the L2 + header and CRC lengths (i.e. 18B) from the max supported frame size. + So, to set the MTU for a 9018B Jumbo Frame: - ``` - ifconfig eth1 mtu 9000 - ``` + ``` + ifconfig eth1 mtu 9000 + ``` ## <a name="vsperf"></a> 12. Vsperf
Fix numbering in jumbo frames subsection and indentation for markdown editor viewer. Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy@intel.com> --- INSTALL.DPDK-ADVANCED.md | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-)