DPDK patches and discussions
 help / color / mirror / Atom feed
From: Joshua Washington <joshwash@google.com>
To: Junfeng Guo <junfeng.guo@intel.com>,
	Jeroen de Borst <jeroendb@google.com>,
	Rushil Gupta <rushilg@google.com>,
	Joshua Washington <joshwash@google.com>
Cc: dev@dpdk.org, Ferruh Yigit <ferruh.yigit@amd.com>
Subject: [PATCH v4 7/7] net/gve: update GVE documentation with RSS support
Date: Fri, 26 Jan 2024 09:33:16 -0800	[thread overview]
Message-ID: <20240126173317.2779230-8-joshwash@google.com> (raw)
In-Reply-To: <20240126173317.2779230-1-joshwash@google.com>

This patch updates the GVE doc page to communicate that GVE now supports
RSS configuration and explains the limitations.

Signed-off-by: Joshua Washington <joshwash@google.com>
---
 doc/guides/nics/gve.rst | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/doc/guides/nics/gve.rst b/doc/guides/nics/gve.rst
index 1c3eaf03ef..80991e70cf 100644
--- a/doc/guides/nics/gve.rst
+++ b/doc/guides/nics/gve.rst
@@ -70,6 +70,8 @@ Supported features of the GVE PMD are:
 - Link state information
 - Tx multi-segments (Scatter Tx)
 - Tx UDP/TCP/SCTP Checksum
+- RSS hash configuration
+- RSS redirection table update and query
 
 Currently, only GQI_QPL and GQI_RDA queue format are supported in PMD.
 Jumbo Frame is not supported in PMD for now.
@@ -77,10 +79,12 @@ It'll be added in a future DPDK release.
 Also, only GQI_QPL queue format is in use on GCP
 since GQI_RDA hasn't been released in production.
 
-Currently, setting MTU with value larger than 1460 is not supported.
+RSS
+^^^
 
-Currently, only "RSS hash" is force enabled
-so that the backend hardware device calculated hash values
-could be shared with applications.
-But for RSS, there is no such API to config RSS hash function or RETA table.
-So, limited RSS is supported only with default config/setting.
+GVE RSS can be enabled and configured using the standard interfaces. The driver
+does not support querying the initial RSS configuration.
+
+The RSS hash key must be exactly 40 bytes, and the redirection table must have
+128 entries. The RSS hash key must be configured before the redirection table
+can be set up.
-- 
2.43.0.429.g432eaa2c6b-goog


  parent reply	other threads:[~2024-01-26 17:34 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-23 17:58 [PATCH 0/7] net/gve: RSS Support for GVE Driver Joshua Washington
2024-01-23 17:58 ` [PATCH v2 1/7] net/gve: fully expose RSS offload support in dev_info Joshua Washington
2024-01-23 17:58 ` [PATCH v2 2/7] net/gve: RSS adminq command changes Joshua Washington
2024-01-23 17:58 ` [PATCH v2 3/7] net/gve: add gve_rss library for handling RSS-related behaviors Joshua Washington
2024-01-23 17:58 ` [PATCH v2 4/7] net/gve: RSS configuration update support Joshua Washington
2024-01-23 17:58 ` [PATCH v2 5/7] net/gve: RSS redirection table " Joshua Washington
2024-01-23 17:58 ` [PATCH v2 6/7] net/gve: update gve.ini with RSS capabilities Joshua Washington
2024-01-23 17:58 ` [PATCH v2 7/7] net/gve: update GVE documentation with RSS support Joshua Washington
2024-01-24  0:04 ` [PATCH 0/7] net/gve: RSS Support for GVE Driver Joshua Washington
2024-01-24  0:04   ` [PATCH v3 1/7] net/gve: fully expose RSS offload support in dev_info Joshua Washington
2024-01-24  0:04   ` [PATCH v3 2/7] net/gve: RSS adminq command changes Joshua Washington
2024-01-24  0:04   ` [PATCH v3 3/7] net/gve: add gve_rss library for handling RSS-related behaviors Joshua Washington
2024-01-24  0:04   ` [PATCH v3 4/7] net/gve: RSS configuration update support Joshua Washington
2024-01-24  0:04   ` [PATCH v3 5/7] net/gve: RSS redirection table " Joshua Washington
2024-01-24  0:04   ` [PATCH v3 6/7] net/gve: update gve.ini with RSS capabilities Joshua Washington
2024-01-24  0:04   ` [PATCH v3 7/7] net/gve: update GVE documentation with RSS support Joshua Washington
2024-01-24  0:09 ` [PATCH 0/7] net/gve: RSS Support for GVE Driver Joshua Washington
2024-01-24  0:13 ` [PATCH v3 " Joshua Washington
2024-01-24  0:14 ` Joshua Washington
2024-01-24  0:14   ` [PATCH v3 1/7] net/gve: fully expose RSS offload support in dev_info Joshua Washington
2024-01-24  0:14   ` [PATCH v3 2/7] net/gve: RSS adminq command changes Joshua Washington
2024-01-24  0:14   ` [PATCH v3 3/7] net/gve: add gve_rss library for handling RSS-related behaviors Joshua Washington
2024-01-24  0:14   ` [PATCH v3 4/7] net/gve: RSS configuration update support Joshua Washington
2024-01-24  0:14   ` [PATCH v3 5/7] net/gve: RSS redirection table " Joshua Washington
2024-01-24  0:14   ` [PATCH v3 6/7] net/gve: update gve.ini with RSS capabilities Joshua Washington
2024-01-24  0:15   ` [PATCH v3 7/7] net/gve: update GVE documentation with RSS support Joshua Washington
     [not found]   ` <20240126173317.2779230-1-joshwash@google.com>
2024-01-26 17:33     ` [PATCH v4 1/7] net/gve: fully expose RSS offload support in dev_info Joshua Washington
2024-01-31 22:13       ` [PATCH v5 0/5] net/gve: RSS Support for GVE Driver Joshua Washington
2024-01-31 22:13         ` [PATCH v5 1/5] net/gve: expose RSS offload support in dev info Joshua Washington
2024-01-31 22:13         ` [PATCH v5 2/5] net/gve: add RSS adminq command Joshua Washington
2024-01-31 22:13         ` [PATCH v5 3/5] net/gve: add gve RSS library Joshua Washington
2024-01-31 22:13         ` [PATCH v5 4/5] net/gve: add RSS configuration update support Joshua Washington
2024-01-31 22:13         ` [PATCH v5 5/5] net/gve: add RSS redirection table " Joshua Washington
2024-02-01 13:28         ` [PATCH v5 0/5] net/gve: RSS Support for GVE Driver Ferruh Yigit
2024-01-26 17:33     ` [PATCH v4 2/7] net/gve: RSS adminq command changes Joshua Washington
2024-01-26 17:33     ` [PATCH v4 3/7] net/gve: add gve_rss library for handling RSS-related behaviors Joshua Washington
2024-01-26 17:33     ` [PATCH v4 4/7] net/gve: RSS configuration update support Joshua Washington
2024-01-26 17:33     ` [PATCH v4 5/7] net/gve: RSS redirection table " Joshua Washington
2024-01-26 17:33     ` [PATCH v4 6/7] net/gve: update gve.ini with RSS capabilities Joshua Washington
2024-01-31 14:48       ` Ferruh Yigit
2024-01-31 14:55         ` Ferruh Yigit
2024-01-26 17:33     ` Joshua Washington [this message]
2024-01-31 14:50       ` [PATCH v4 7/7] net/gve: update GVE documentation with RSS support Ferruh Yigit
2024-01-31 14:58     ` Ferruh Yigit

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240126173317.2779230-8-joshwash@google.com \
    --to=joshwash@google.com \
    --cc=dev@dpdk.org \
    --cc=ferruh.yigit@amd.com \
    --cc=jeroendb@google.com \
    --cc=junfeng.guo@intel.com \
    --cc=rushilg@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
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).