* [dpdk-dev] [PATCH] doc: fixing grammar
@ 2018-02-22 12:15 Alejandro Lucero
2018-03-07 13:41 ` Kovacevic, Marko
0 siblings, 1 reply; 3+ messages in thread
From: Alejandro Lucero @ 2018-02-22 12:15 UTC (permalink / raw)
To: dev; +Cc: stable
My english is far worse than those from the marketing team.
Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
---
doc/guides/nics/nfp.rst | 43 ++++++++++++++++++++++---------------------
1 file changed, 22 insertions(+), 21 deletions(-)
diff --git a/doc/guides/nics/nfp.rst b/doc/guides/nics/nfp.rst
index 99a3b76..67e574e 100644
--- a/doc/guides/nics/nfp.rst
+++ b/doc/guides/nics/nfp.rst
@@ -34,14 +34,14 @@ NFP poll mode driver library
Netronome's sixth generation of flow processors pack 216 programmable
cores and over 100 hardware accelerators that uniquely combine packet,
flow, security and content processing in a single device that scales
-up to 400 Gbps.
+up to 400-Gb/s.
This document explains how to use DPDK with the Netronome Poll Mode
Driver (PMD) supporting Netronome's Network Flow Processor 6xxx
(NFP-6xxx) and Netronome's Flow Processor 4xxx (NFP-4xxx).
NFP is a SRIOV capable device and the PMD driver supports the physical
-function (PF) and virtual functions (VFs).
+function (PF) and the virtual functions (VFs).
Dependencies
------------
@@ -49,17 +49,18 @@ Dependencies
Before using the Netronome's DPDK PMD some NFP configuration,
which is not related to DPDK, is required. The system requires
installation of **Netronome's BSP (Board Support Package)** along
-with some specific NFP firmware application. Netronome's NSP ABI
+with a specific NFP firmware application. Netronome's NSP ABI
version should be 0.20 or higher.
If you have a NFP device you should already have the code and
-documentation for doing all this configuration. Contact
+documentation for this configuration. Contact
**support@netronome.com** to obtain the latest available firmware.
-The NFP Linux netdev kernel driver for VFs is part of vanilla kernel
-since kernel version 4.5, and support for the PF since kernel version
-4.11. Support for older kernels can be obtained on Github at
-**https://github.com/Netronome/nfp-drv-kmods** along with build
+The NFP Linux netdev kernel driver for VFs has been a part of the
+vanilla kernel since kernel version 4.5, and support for the PF
+since kernel version 4.11. Support for older kernels can be obtained
+on Github at
+**https://github.com/Netronome/nfp-drv-kmods** along with the build
instructions.
NFP PMD needs to be used along with UIO ``igb_uio`` or VFIO (``vfio-pci``)
@@ -70,15 +71,15 @@ Building the software
Netronome's PMD code is provided in the **drivers/net/nfp** directory.
Although NFP PMD has Netronome´s BSP dependencies, it is possible to
-compile it along with other DPDK PMDs even if no BSP was installed before.
+compile it along with other DPDK PMDs even if no BSP was installed previously.
Of course, a DPDK app will require such a BSP installed for using the
NFP PMD, along with a specific NFP firmware application.
-Default PMD configuration is at **common_linuxapp configuration** file:
+Default PMD configuration is at the **common_linuxapp configuration** file:
- **CONFIG_RTE_LIBRTE_NFP_PMD=y**
-Once DPDK is built all the DPDK apps and examples include support for
+Once the DPDK is built all the DPDK apps and examples include support for
the NFP PMD.
@@ -91,18 +92,18 @@ for details.
Using the PF
------------
-NFP PMD has support for using the NFP PF as another DPDK port, but it does not
+NFP PMD supports using the NFP PF as another DPDK port, but it does not
have any functionality for controlling VFs. In fact, it is not possible to use
the PMD with the VFs if the PF is being used by DPDK, that is, with the NFP PF
-bound to ``igb_uio`` or ``vfio-pci`` kernel drivers. Future DPDK version will
+bound to ``igb_uio`` or ``vfio-pci`` kernel drivers. Future DPDK versions will
have a PMD able to work with the PF and VFs at the same time and with the PF
implementing VF management along with other PF-only functionalities/offloads.
-The PMD PF has extra work to do which will delay the DPDK app initialization
-like checking if a firmware is already available in the device, uploading the
-firmware if necessary, and configure the Link state properly when starting or
-stopping a PF port. Note that firmware upload is not always necessary which is
-the main delay for NFP PF PMD initialization.
+The PMD PF has extra work to do which will delay the DPDK app initialization.
+This additional effort could be checking if a firmware is already available in
+the device, uploading the firmware if necessary or configuring the Link state
+properly when starting or stopping a PF port. Note that firmware upload is not
+always necessary which is the main delay for NFP PF PMD initialization.
Depending on the Netronome product installed in the system, firmware files
should be available under ``/lib/firmware/netronome``. DPDK PMD supporting the
@@ -114,14 +115,14 @@ PF multiport support
--------------------
Some NFP cards support several physical ports with just one single PCI device.
-DPDK core is designed with the 1:1 relationship between PCI devices and DPDK
+The DPDK core is designed with a 1:1 relationship between PCI devices and DPDK
ports, so NFP PMD PF support requires handling the multiport case specifically.
During NFP PF initialization, the PMD will extract the information about the
number of PF ports from the firmware and will create as many DPDK ports as
needed.
Because the unusual relationship between a single PCI device and several DPDK
-ports, there are some limitations when using more than one PF DPDK ports: there
+ports, there are some limitations when using more than one PF DPDK port: there
is no support for RX interrupts and it is not possible either to use those PF
ports with the device hotplug functionality.
@@ -136,7 +137,7 @@ System configuration
get the drivers from the above Github repository and follow the instructions
for building and installing it.
- Virtual Functions need to be enabled before they can be used with the PMD.
+ VFs need to be enabled before they can be used with the PMD.
Before enabling the VFs it is useful to obtain information about the
current NFP PCI device detected by the system:
--
1.9.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] doc: fixing grammar
2018-02-22 12:15 [dpdk-dev] [PATCH] doc: fixing grammar Alejandro Lucero
@ 2018-03-07 13:41 ` Kovacevic, Marko
2018-03-07 16:13 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
0 siblings, 1 reply; 3+ messages in thread
From: Kovacevic, Marko @ 2018-03-07 13:41 UTC (permalink / raw)
To: Alejandro Lucero, dev; +Cc: stable
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Alejandro Lucero
> Sent: Thursday, February 22, 2018 12:16 PM
> To: dev@dpdk.org
> Cc: stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] doc: fixing grammar
>
> My english is far worse than those from the marketing team.
>
> Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
> ---
> doc/guides/nics/nfp.rst | 43 ++++++++++++++++++++++---------------------
> 1 file changed, 22 insertions(+), 21 deletions(-)
>
<...>
Acked-by: Marko Kovacevic <marko.kovacevic@intel.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [dpdk-stable] [PATCH] doc: fixing grammar
2018-03-07 13:41 ` Kovacevic, Marko
@ 2018-03-07 16:13 ` Ferruh Yigit
0 siblings, 0 replies; 3+ messages in thread
From: Ferruh Yigit @ 2018-03-07 16:13 UTC (permalink / raw)
To: Kovacevic, Marko, Alejandro Lucero, dev; +Cc: stable
On 3/7/2018 1:41 PM, Kovacevic, Marko wrote:
>
>
>> -----Original Message-----
>> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Alejandro Lucero
>> Sent: Thursday, February 22, 2018 12:16 PM
>> To: dev@dpdk.org
>> Cc: stable@dpdk.org
>> Subject: [dpdk-dev] [PATCH] doc: fixing grammar
>>
>> My english is far worse than those from the marketing team.
Fixes: 80bc1752f16e ("nfp: add guide")
Fixes: d625beafc8be ("doc: update NFP with PF support information")
Fixes: 80987c40fd28 ("config: enable nfp driver on Linux")
Cc: stable@dpdk.org
>> Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
>> ---
>> doc/guides/nics/nfp.rst | 43 ++++++++++++++++++++++---------------------
>> 1 file changed, 22 insertions(+), 21 deletions(-)
>>
> <...>
>
> Acked-by: Marko Kovacevic <marko.kovacevic@intel.com>
Applied to dpdk-next-net/master, thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2018-03-07 16:13 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-02-22 12:15 [dpdk-dev] [PATCH] doc: fixing grammar Alejandro Lucero
2018-03-07 13:41 ` Kovacevic, Marko
2018-03-07 16:13 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).