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Commit e071041b authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by David S. Miller
Browse files

netns xfrm: fix "ip xfrm state|policy count" misreport 



"ip xfrm state|policy count" report SA/SP count from init_net,
not from netns of caller process.

Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2ca4231d

include/net/xfrm.h

+2 −2
Original line number Diff line number Diff line
@@ -1367,8 +1367,8 @@ struct xfrmk_spdinfo { 
extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 seq);

extern int xfrm_state_delete(struct xfrm_state *x);

extern int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info);

extern void xfrm_sad_getinfo(struct xfrmk_sadinfo *si);

extern void xfrm_spd_getinfo(struct xfrmk_spdinfo *si);

extern void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);

extern void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si);

extern int xfrm_replay_check(struct xfrm_state *x,

			     struct sk_buff *skb, __be32 seq);

extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);

net/xfrm/xfrm_policy.c

+8 −8
Original line number Diff line number Diff line
@@ -469,16 +469,16 @@ static inline int xfrm_byidx_should_resize(struct net *net, int total) 
	return 0;

}



void xfrm_spd_getinfo(struct xfrmk_spdinfo *si)

void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si)

{

	read_lock_bh(&xfrm_policy_lock);

	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->incnt = net->xfrm.policy_count[XFRM_POLICY_IN];

	si->outcnt = net->xfrm.policy_count[XFRM_POLICY_OUT];

	si->fwdcnt = net->xfrm.policy_count[XFRM_POLICY_FWD];

	si->inscnt = net->xfrm.policy_count[XFRM_POLICY_IN+XFRM_POLICY_MAX];

	si->outscnt = net->xfrm.policy_count[XFRM_POLICY_OUT+XFRM_POLICY_MAX];

	si->fwdscnt = net->xfrm.policy_count[XFRM_POLICY_FWD+XFRM_POLICY_MAX];

	si->spdhcnt = net->xfrm.policy_idx_hmask;

	si->spdhmcnt = xfrm_policy_hashmax;

	read_unlock_bh(&xfrm_policy_lock);

}

net/xfrm/xfrm_state.c

+3 −3
Original line number Diff line number Diff line
@@ -641,11 +641,11 @@ out: 
}

EXPORT_SYMBOL(xfrm_state_flush);



void xfrm_sad_getinfo(struct xfrmk_sadinfo *si)

void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si)

{

	spin_lock_bh(&xfrm_state_lock);

	si->sadcnt = init_net.xfrm.state_num;

	si->sadhcnt = init_net.xfrm.state_hmask;

	si->sadcnt = net->xfrm.state_num;

	si->sadhcnt = net->xfrm.state_hmask;

	si->sadhmcnt = xfrm_state_hashmax;

	spin_unlock_bh(&xfrm_state_lock);

}

net/xfrm/xfrm_user.c

+8 −6
Original line number Diff line number Diff line
@@ -781,7 +781,8 @@ static inline size_t xfrm_spdinfo_msgsize(void) 
	       + nla_total_size(sizeof(struct xfrmu_spdhinfo));

}



static int build_spdinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)

static int build_spdinfo(struct sk_buff *skb, struct net *net,

			 u32 pid, u32 seq, u32 flags)

{

	struct xfrmk_spdinfo si;

	struct xfrmu_spdinfo spc;
@@ -795,7 +796,7 @@ static int build_spdinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags) 


	f = nlmsg_data(nlh);

	*f = flags;

	xfrm_spd_getinfo(&si);

	xfrm_spd_getinfo(net, &si);

	spc.incnt = si.incnt;

	spc.outcnt = si.outcnt;

	spc.fwdcnt = si.fwdcnt;
@@ -828,7 +829,7 @@ static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh, 
	if (r_skb == NULL)

		return -ENOMEM;



	if (build_spdinfo(r_skb, spid, seq, *flags) < 0)

	if (build_spdinfo(r_skb, net, spid, seq, *flags) < 0)

		BUG();



	return nlmsg_unicast(net->xfrm.nlsk, r_skb, spid);
@@ -841,7 +842,8 @@ static inline size_t xfrm_sadinfo_msgsize(void) 
	       + nla_total_size(4); /* XFRMA_SAD_CNT */

}



static int build_sadinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)

static int build_sadinfo(struct sk_buff *skb, struct net *net,

			 u32 pid, u32 seq, u32 flags)

{

	struct xfrmk_sadinfo si;

	struct xfrmu_sadhinfo sh;
@@ -854,7 +856,7 @@ static int build_sadinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags) 


	f = nlmsg_data(nlh);

	*f = flags;

	xfrm_sad_getinfo(&si);

	xfrm_sad_getinfo(net, &si);



	sh.sadhmcnt = si.sadhmcnt;

	sh.sadhcnt = si.sadhcnt;
@@ -882,7 +884,7 @@ static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh, 
	if (r_skb == NULL)

		return -ENOMEM;



	if (build_sadinfo(r_skb, spid, seq, *flags) < 0)

	if (build_sadinfo(r_skb, net, spid, seq, *flags) < 0)

		BUG();



	return nlmsg_unicast(net->xfrm.nlsk, r_skb, spid);