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authorHerbert Xu2014-11-13 17:09:49 +0800
committerSteffen Klassert2014-11-13 11:25:03 +0100
commit53c2e285f9703001e1bb48d04696c5f9d8f3aef7 (patch)
treedce531b10da3a88562a15986ff85cc986bbf73e3 /include/net/netns
parentf293a5e33e084ef84b802e3002e5fe3eef086171 (diff)
xfrm: Do not hash socket policies
Back in 2003 when I added policy expiration, I half-heartedly did a clean-up and renamed xfrm_sk_policy_link/xfrm_sk_policy_unlink to __xfrm_policy_link/__xfrm_policy_unlink, because the latter could be reused for all policies. I never actually got around to using __xfrm_policy_link for non-socket policies. Later on hashing was added to all xfrm policies, including socket policies. In fact, we don't need hashing on socket policies at all since they're always looked up via a linked list. This patch restores xfrm_sk_policy_link/xfrm_sk_policy_unlink as wrappers around __xfrm_policy_link/__xfrm_policy_unlink so that it's obvious we're dealing with socket policies. This patch also removes hashing from __xfrm_policy_link as for now it's only used by socket policies which do not need to be hashed. Ironically this will in fact allow us to use this helper for non-socket policies which I shall do later. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'include/net/netns')
-rw-r--r--include/net/netns/xfrm.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 9da798256f0e..730d82ad6ee5 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -50,8 +50,8 @@ struct netns_xfrm {
struct list_head policy_all;
struct hlist_head *policy_byidx;
unsigned int policy_idx_hmask;
- struct hlist_head policy_inexact[XFRM_POLICY_MAX * 2];
- struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX * 2];
+ struct hlist_head policy_inexact[XFRM_POLICY_MAX];
+ struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX];
unsigned int policy_count[XFRM_POLICY_MAX * 2];
struct work_struct policy_hash_work;
struct xfrm_policy_hthresh policy_hthresh;