[XFRM] SPD info TLV aggregation

Aggregate the SPD info TLVs.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 45 insertions, 71 deletions

diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index c237fe3af8ce..b58adc52448d 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -288,36 +288,29 @@ struct xfrmu_sadhinfo {
         __u32 sadhmcnt; /* max allowed hash bkts */
 };
 
-/* SPD Table filter flags  */
-enum xfrm_spd_ftype_t {
-        XFRM_SPD_UNSPEC,
-        XFRM_SPD_HMASK=1,
-        XFRM_SPD_HMAX=2,
-        XFRM_SPD_ICNT=4,
-        XFRM_SPD_OCNT=8,
-        XFRM_SPD_FCNT=16,
-        XFRM_SPD_ISCNT=32,
-        XFRM_SPD_OSCNT=64,
-        XFRM_SPD_FSCNT=128,
-        __XFRM_SPD_MAX
-
-#define XFRM_SPD_MAX (__XFRM_SPD_MAX - 1)
-};
 enum xfrm_spdattr_type_t {
         XFRMA_SPD_UNSPEC,
-        XFRMA_SPDHMASK,
-        XFRMA_SPDHMAX,
-        XFRMA_SPDICNT,
-        XFRMA_SPDOCNT,
-        XFRMA_SPDFCNT,
-        XFRMA_SPDISCNT,
-        XFRMA_SPDOSCNT,
-        XFRMA_SPDFSCNT,
+        XFRMA_SPD_INFO,
+        XFRMA_SPD_HINFO,
         __XFRMA_SPD_MAX
 
 #define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
 };
 
+struct xfrmu_spdinfo {
+        __u32 incnt;
+        __u32 outcnt;
+        __u32 fwdcnt;
+        __u32 inscnt;
+        __u32 outscnt;
+        __u32 fwdscnt;
+};
+
+struct xfrmu_spdhinfo {
+        __u32 spdhcnt;
+        __u32 spdhmcnt;
+};
+
 struct xfrm_usersa_info {
         struct xfrm_selector            sel;
         struct xfrm_id                  id;
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d0d7db51d3fc..39ef925d39dd 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -416,17 +416,6 @@ struct xfrm_audit
         u32     secid;
 };
 
-struct xfrm_spdinfo
-{
-        u32 incnt;
-        u32 outcnt;
-        u32 fwdcnt;
-        u32 inscnt;
-        u32 outscnt;
-        u32 fwdscnt;
-        u32 spdhcnt;
-        u32 spdhmcnt;
-};
 #ifdef CONFIG_AUDITSYSCALL
 extern void xfrm_audit_log(uid_t auid, u32 secid, int type, int result,
                     struct xfrm_policy *xp, struct xfrm_state *x);
@@ -963,11 +952,22 @@ struct xfrmk_sadinfo {
         u32 sadcnt; /* current running count */
 };
 
+struct xfrmk_spdinfo {
+        u32 incnt;
+        u32 outcnt;
+        u32 fwdcnt;
+        u32 inscnt;
+        u32 outscnt;
+        u32 fwdscnt;
+        u32 spdhcnt;
+        u32 spdhmcnt;
+};
+
 extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
 extern int xfrm_state_delete(struct xfrm_state *x);
 extern void xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info);
 extern void xfrm_sad_getinfo(struct xfrmk_sadinfo *si);
-extern void xfrm_spd_getinfo(struct xfrm_spdinfo *si);
+extern void xfrm_spd_getinfo(struct xfrmk_spdinfo *si);
 extern int xfrm_replay_check(struct xfrm_state *x, __be32 seq);
 extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);
 extern void xfrm_replay_notify(struct xfrm_state *x, int event);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 263e34e45265..95271e8426a1 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -579,7 +579,7 @@ static inline int xfrm_byidx_should_resize(int total)
         return 0;
 }
 
-void xfrm_spd_getinfo(struct xfrm_spdinfo *si)
+void xfrm_spd_getinfo(struct xfrmk_spdinfo *si)
 {
         read_lock_bh(&xfrm_policy_lock);
         si->incnt = xfrm_policy_count[XFRM_POLICY_IN];
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index c35b9ea3b62b..b14c7e590c31 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -674,7 +674,9 @@ static struct sk_buff *xfrm_state_netlink(struct sk_buff *in_skb,
 
 static int build_spdinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
 {
-        struct xfrm_spdinfo si;
+        struct xfrmk_spdinfo si;
+        struct xfrmu_spdinfo spc;
+        struct xfrmu_spdhinfo sph;
         struct nlmsghdr *nlh;
         u32 *f;
 
@@ -685,23 +687,17 @@ static int build_spdinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
         f = nlmsg_data(nlh);
         *f = flags;
         xfrm_spd_getinfo(&si);
-
-        if (flags & XFRM_SPD_HMASK)
-                NLA_PUT_U32(skb, XFRMA_SPDHMASK, si.spdhcnt);
-        if (flags & XFRM_SPD_HMAX)
-                NLA_PUT_U32(skb, XFRMA_SPDHMAX, si.spdhmcnt);
-        if (flags & XFRM_SPD_ICNT)
-                NLA_PUT_U32(skb, XFRMA_SPDICNT, si.incnt);
-        if (flags & XFRM_SPD_OCNT)
-                NLA_PUT_U32(skb, XFRMA_SPDOCNT, si.outcnt);
-        if (flags & XFRM_SPD_FCNT)
-                NLA_PUT_U32(skb, XFRMA_SPDFCNT, si.fwdcnt);
-        if (flags & XFRM_SPD_ISCNT)
-                NLA_PUT_U32(skb, XFRMA_SPDISCNT, si.inscnt);
-        if (flags & XFRM_SPD_OSCNT)
-                NLA_PUT_U32(skb, XFRMA_SPDOSCNT, si.inscnt);
-        if (flags & XFRM_SPD_FSCNT)
-                NLA_PUT_U32(skb, XFRMA_SPDFSCNT, si.inscnt);
+        spc.incnt = si.incnt;
+        spc.outcnt = si.outcnt;
+        spc.fwdcnt = si.fwdcnt;
+        spc.inscnt = si.inscnt;
+        spc.outscnt = si.outscnt;
+        spc.fwdscnt = si.fwdscnt;
+        sph.spdhcnt = si.spdhcnt;
+        sph.spdhmcnt = si.spdhmcnt;
+
+        NLA_PUT(skb, XFRMA_SPD_INFO, sizeof(spc), &spc);
+        NLA_PUT(skb, XFRMA_SPD_HINFO, sizeof(sph), &sph);
 
         return nlmsg_end(skb, nlh);
 
@@ -719,23 +715,8 @@ static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
         u32 seq = nlh->nlmsg_seq;
         int len = NLMSG_LENGTH(sizeof(u32));
 
-
-        if (*flags & XFRM_SPD_HMASK)
-                len += RTA_SPACE(sizeof(u32));
-        if (*flags & XFRM_SPD_HMAX)
-                len += RTA_SPACE(sizeof(u32));
-        if (*flags & XFRM_SPD_ICNT)
-                len += RTA_SPACE(sizeof(u32));
-        if (*flags & XFRM_SPD_OCNT)
-                len += RTA_SPACE(sizeof(u32));
-        if (*flags & XFRM_SPD_FCNT)
-                len += RTA_SPACE(sizeof(u32));
-        if (*flags & XFRM_SPD_ISCNT)
-                len += RTA_SPACE(sizeof(u32));
-        if (*flags & XFRM_SPD_OSCNT)
-                len += RTA_SPACE(sizeof(u32));
-        if (*flags & XFRM_SPD_FSCNT)
-                len += RTA_SPACE(sizeof(u32));
+        len += RTA_SPACE(sizeof(struct xfrmu_spdinfo));
+        len += RTA_SPACE(sizeof(struct xfrmu_spdhinfo));
 
         r_skb = alloc_skb(len, GFP_ATOMIC);
         if (r_skb == NULL)