netdev - [PATCH ipsec-next v3 0/2] xfrm: scalability enhancements for policy database

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Message-Id: <1409154495-1343-1-git-send-email-christophe.gouault@6wind.com>
Date:	Wed, 27 Aug 2014 17:48:13 +0200
From:	Christophe Gouault <christophe.gouault@...nd.com>
To:	Steffen Klassert <steffen.klassert@...unet.com>,
	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH ipsec-next v3 0/2] xfrm: scalability enhancements for policy database

This patchset enables to hash more policies than just non-prefixed
ones: hash policies whose prefix lengths are greater or equal to
configurable thresholds.

These thresholds are configured via netlink message
XFRM_MSG_NEWSPDINFO, attributes XFRMA_SPD_IPV4_HTHRESH and
XFRMA_SPD_IPV6_HTHRESH.

The related iproute2 patch for configuring the thresholds is available
on demand.

Best Regards,
Christophe
----
v2:
- change configuration API from proc to netlink
v3:
- initialize xfrm_policy_hthresh lock
- remove "rebuilding SPD hash table" log
- replace deprecated hlist_add_after by hlist_add_behind
- remove netlink reply to XFRM_MSG_NEWSPDINFO request
---
 include/net/netns/xfrm.h  |  14 +++++++
 include/net/xfrm.h        |   1 +
 include/uapi/linux/xfrm.h |   7 ++++
 net/xfrm/xfrm_hash.h      |  76 +++++++++++++++++++++++++++++++-----
 net/xfrm/xfrm_policy.c    | 140 +++++++++++++++++++++++++++++++++++++++++++++++
 net/xfrm/xfrm_user.c      |  83 +++++++++++++++++++++++++++++++++++++--
 6 files changed, 302 insertions(+), 19 deletions(-)


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