From: Wei Liu <wei.liu2@citrix.com>
To: netdev@vger.kernel.org, xen-devel@lists.xensource.com
Cc: ian.campbell@citrix.com, konrad.wilk@oracle.com
Subject: [RFC PATCH V4] Xen netback / netfront improvement
Date: Thu, 2 Feb 2012 16:49:10 +0000 [thread overview]
Message-ID: <1328201363-13915-1-git-send-email-wei.liu2@citrix.com> (raw)
Changes in V4:
- Squash several patches
- Per-cpu scratch improvement, guard against race condition, NUMA
awared allocation
- Extend xenbus ring mapping interface to benifit all Xen BE / FE
- Remove RX protocol stub patch
Changes in V3:
- Rework of per-cpu scratch space
- Multi page ring support
- Split event channels
- Rx protocol stub
- Fix a minor bug in module_put path
Changes in V2:
- Fix minor bugs in V1
- Embed pending_tx_info into page pool
- Per-cpu scratch space
- Notification code path clean up
This version has been tested by
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
V1:
A new netback implementation which includes three major features:
- Global page pool support
- NAPI + kthread 1:1 model
- Netback internal name changes
This patch series is the foundation of furture work. So it is better
to get it right first. Patch 1 and 3 have the real meat.
The first benifit of 1:1 model will be scheduling fairness.
The rational behind a global page pool is that we need to limit
overall memory consumed by all vifs.
Utilization of NAPI enables the possibility to mitigate
interrupts/events, the code path is cleaned up in a separated patch.
Netback internal changes cleans up the code structure after switching
to 1:1 model. It also prepares netback for further code layout
changes.
-----
drivers/block/xen-blkback/xenbus.c | 8 +-
drivers/block/xen-blkfront.c | 5 +-
drivers/net/xen-netback/Makefile | 2 +-
drivers/net/xen-netback/common.h | 107 +++--
drivers/net/xen-netback/interface.c | 230 ++++++--
drivers/net/xen-netback/netback.c | 999 +++++++++++++++------------------
drivers/net/xen-netback/page_pool.c | 185 ++++++
drivers/net/xen-netback/page_pool.h | 66 +++
drivers/net/xen-netback/xenbus.c | 178 ++++++-
drivers/net/xen-netfront.c | 393 ++++++++++----
drivers/pci/xen-pcifront.c | 5 +-
drivers/scsi/xen-scsiback/common.h | 3 +-
drivers/scsi/xen-scsiback/interface.c | 6 +-
drivers/scsi/xen-scsiback/xenbus.c | 4 +-
drivers/scsi/xen-scsifront/xenbus.c | 5 +-
drivers/xen/xen-pciback/xenbus.c | 11 +-
drivers/xen/xenbus/xenbus_client.c | 282 +++++++---
include/xen/xenbus.h | 15 +-
18 files changed, 1646 insertions(+), 858 deletions(-)
next reply other threads:[~2012-02-02 16:49 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-02 16:49 Wei Liu [this message]
2012-02-02 16:49 ` [RFC PATCH V4 01/13] netback: page pool version 1 Wei Liu
2012-02-02 17:26 ` Eric Dumazet
2012-02-17 19:19 ` Konrad Rzeszutek Wilk
2012-02-20 16:26 ` Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 02/13] netback: add module unload function Wei Liu
2012-02-02 17:08 ` Eric Dumazet
2012-02-02 17:28 ` Wei Liu
2012-02-02 17:48 ` Eric Dumazet
2012-02-02 19:59 ` Ian Campbell
2012-02-02 20:34 ` Eric Dumazet
2012-02-02 20:37 ` Eric Dumazet
2012-02-02 20:50 ` Ian Campbell
2012-02-02 22:52 ` Paul Gortmaker
2012-02-03 6:38 ` Ian Campbell
2012-02-03 7:25 ` Eric Dumazet
2012-02-03 8:02 ` Ian Campbell
2012-02-03 11:27 ` Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 03/13] netback: add module get/put operations along with vif connect/disconnect Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 04/13] netback: switch to NAPI + kthread model Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 05/13] netback: switch to per-cpu scratch space Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 06/13] netback: melt xen_netbk into xenvif Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 07/13] netback: alter internal function/structure names Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 08/13] xenbus_client: extend interface to support mapping / unmapping of multi page ring Wei Liu
2012-02-03 16:55 ` Konrad Rzeszutek Wilk
2012-02-03 17:20 ` Wei Liu
2012-02-03 17:35 ` Konrad Rzeszutek Wilk
2012-02-06 17:21 ` Konrad Rzeszutek Wilk
2012-02-06 17:30 ` Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 09/13] Bundle fix for xen backends and frontends Wei Liu
2012-02-03 2:34 ` Konrad Rzeszutek Wilk
2012-02-02 16:49 ` [RFC PATCH V4 10/13] netback: multi page ring support Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 11/13] netback: split event channels support Wei Liu
2012-02-02 16:49 ` [RFC PATCH V4 12/13] netfront: multi page ring support Wei Liu
2012-02-15 22:42 ` Konrad Rzeszutek Wilk
2012-02-15 22:52 ` David Miller
2012-02-15 23:53 ` Konrad Rzeszutek Wilk
2012-02-16 10:02 ` Wei Liu
2012-02-16 10:16 ` Wei Liu
2012-02-17 15:10 ` Konrad Rzeszutek Wilk
2012-02-16 22:57 ` Konrad Rzeszutek Wilk
2012-02-02 16:49 ` [RFC PATCH V4 13/13] netfront: split event channels support Wei Liu
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=1328201363-13915-1-git-send-email-wei.liu2@citrix.com \
--to=wei.liu2@citrix.com \
--cc=ian.campbell@citrix.com \
--cc=konrad.wilk@oracle.com \
--cc=netdev@vger.kernel.org \
--cc=xen-devel@lists.xensource.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).