diff options
| -rw-r--r-- | include/net/netns/xfrm.h | 1 | ||||
| -rw-r--r-- | include/net/xfrm.h | 6 | ||||
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 34 |
3 files changed, 19 insertions, 22 deletions
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h index 39cfa799fa90..d5aadf06be46 100644 --- a/include/net/netns/xfrm.h +++ b/include/net/netns/xfrm.h @@ -37,6 +37,7 @@ struct netns_xfrm { unsigned int policy_idx_hmask; struct hlist_head policy_inexact[XFRM_POLICY_MAX * 2]; struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX * 2]; + unsigned int policy_count[XFRM_POLICY_MAX * 2]; }; #endif diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 1ab17565f01c..8699620f8c2d 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -559,8 +559,6 @@ struct xfrm_mgr extern int xfrm_register_km(struct xfrm_mgr *km); extern int xfrm_unregister_km(struct xfrm_mgr *km); -extern unsigned int xfrm_policy_count[XFRM_POLICY_MAX*2]; - /* * This structure is used for the duration where packets are being * transformed by IPsec. As soon as the packet leaves IPsec the @@ -999,7 +997,7 @@ static inline int __xfrm_policy_check2(struct sock *sk, int dir, if (sk && sk->sk_policy[XFRM_POLICY_IN]) return __xfrm_policy_check(sk, ndir, skb, family); - return (!xfrm_policy_count[dir] && !skb->sp) || + return (!init_net.xfrm.policy_count[dir] && !skb->sp) || (skb->dst->flags & DST_NOPOLICY) || __xfrm_policy_check(sk, ndir, skb, family); } @@ -1051,7 +1049,7 @@ extern int __xfrm_route_forward(struct sk_buff *skb, unsigned short family); static inline int xfrm_route_forward(struct sk_buff *skb, unsigned short family) { - return !xfrm_policy_count[XFRM_POLICY_OUT] || + return !init_net.xfrm.policy_count[XFRM_POLICY_OUT] || (skb->dst->flags & DST_NOXFRM) || __xfrm_route_forward(skb, family); } diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 929b2fdaa2ef..630ec048a0d3 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -46,9 +46,6 @@ EXPORT_SYMBOL(xfrm_cfg_mutex); static DEFINE_RWLOCK(xfrm_policy_lock); -unsigned int xfrm_policy_count[XFRM_POLICY_MAX*2]; -EXPORT_SYMBOL(xfrm_policy_count); - static DEFINE_RWLOCK(xfrm_policy_afinfo_lock); static struct xfrm_policy_afinfo *xfrm_policy_afinfo[NPROTO]; @@ -451,7 +448,7 @@ static void xfrm_byidx_resize(int total) static inline int xfrm_bydst_should_resize(int dir, int *total) { - unsigned int cnt = xfrm_policy_count[dir]; + unsigned int cnt = init_net.xfrm.policy_count[dir]; unsigned int hmask = init_net.xfrm.policy_bydst[dir].hmask; if (total) @@ -478,12 +475,12 @@ static inline int xfrm_byidx_should_resize(int total) void xfrm_spd_getinfo(struct xfrmk_spdinfo *si) { read_lock_bh(&xfrm_policy_lock); - si->incnt = xfrm_policy_count[XFRM_POLICY_IN]; - si->outcnt = xfrm_policy_count[XFRM_POLICY_OUT]; - si->fwdcnt = xfrm_policy_count[XFRM_POLICY_FWD]; - si->inscnt = xfrm_policy_count[XFRM_POLICY_IN+XFRM_POLICY_MAX]; - si->outscnt = xfrm_policy_count[XFRM_POLICY_OUT+XFRM_POLICY_MAX]; - si->fwdscnt = xfrm_policy_count[XFRM_POLICY_FWD+XFRM_POLICY_MAX]; + si->incnt = init_net.xfrm.policy_count[XFRM_POLICY_IN]; + si->outcnt = init_net.xfrm.policy_count[XFRM_POLICY_OUT]; + si->fwdcnt = init_net.xfrm.policy_count[XFRM_POLICY_FWD]; + si->inscnt = init_net.xfrm.policy_count[XFRM_POLICY_IN+XFRM_POLICY_MAX]; + si->outscnt = init_net.xfrm.policy_count[XFRM_POLICY_OUT+XFRM_POLICY_MAX]; + si->fwdscnt = init_net.xfrm.policy_count[XFRM_POLICY_FWD+XFRM_POLICY_MAX]; si->spdhcnt = init_net.xfrm.policy_idx_hmask; si->spdhmcnt = xfrm_policy_hashmax; read_unlock_bh(&xfrm_policy_lock); @@ -591,13 +588,13 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl) else hlist_add_head(&policy->bydst, chain); xfrm_pol_hold(policy); - xfrm_policy_count[dir]++; + init_net.xfrm.policy_count[dir]++; atomic_inc(&flow_cache_genid); if (delpol) { hlist_del(&delpol->bydst); hlist_del(&delpol->byidx); list_del(&delpol->walk.all); - xfrm_policy_count[dir]--; + init_net.xfrm.policy_count[dir]--; } policy->index = delpol ? delpol->index : xfrm_gen_index(dir); hlist_add_head(&policy->byidx, init_net.xfrm.policy_byidx+idx_hash(policy->index)); @@ -673,7 +670,7 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir, hlist_del(&pol->bydst); hlist_del(&pol->byidx); list_del(&pol->walk.all); - xfrm_policy_count[dir]--; + init_net.xfrm.policy_count[dir]--; } ret = pol; break; @@ -717,7 +714,7 @@ struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete, hlist_del(&pol->bydst); hlist_del(&pol->byidx); list_del(&pol->walk.all); - xfrm_policy_count[dir]--; + init_net.xfrm.policy_count[dir]--; } ret = pol; break; @@ -845,7 +842,7 @@ int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info) } } - xfrm_policy_count[dir] -= killed; + init_net.xfrm.policy_count[dir] -= killed; } atomic_inc(&flow_cache_genid); out: @@ -1079,7 +1076,7 @@ static void __xfrm_policy_link(struct xfrm_policy *pol, int dir) list_add(&pol->walk.all, &init_net.xfrm.policy_all); hlist_add_head(&pol->bydst, chain); hlist_add_head(&pol->byidx, init_net.xfrm.policy_byidx+idx_hash(pol->index)); - xfrm_policy_count[dir]++; + init_net.xfrm.policy_count[dir]++; xfrm_pol_hold(pol); if (xfrm_bydst_should_resize(dir, NULL)) @@ -1095,7 +1092,7 @@ static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol, hlist_del(&pol->bydst); hlist_del(&pol->byidx); list_del(&pol->walk.all); - xfrm_policy_count[dir]--; + init_net.xfrm.policy_count[dir]--; return pol; } @@ -1574,7 +1571,7 @@ restart: if (!policy) { /* To accelerate a bit... */ if ((dst_orig->flags & DST_NOXFRM) || - !xfrm_policy_count[XFRM_POLICY_OUT]) + !init_net.xfrm.policy_count[XFRM_POLICY_OUT]) goto nopol; policy = flow_cache_lookup(fl, dst_orig->ops->family, @@ -2407,6 +2404,7 @@ static int __net_init xfrm_policy_init(struct net *net) for (dir = 0; dir < XFRM_POLICY_MAX * 2; dir++) { struct xfrm_policy_hash *htab; + net->xfrm.policy_count[dir] = 0; INIT_HLIST_HEAD(&net->xfrm.policy_inexact[dir]); htab = &net->xfrm.policy_bydst[dir]; |