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authorJamal Hadi Salim <hadi@cyberus.ca>2007-05-04 12:55:13 -0700
committerDavid S. Miller <davem@davemloft.net>2007-05-04 12:55:13 -0700
commitaf11e31609d93765c1b22611592543e028f7aa54 (patch)
treef8a915dc7d98844667308f7c234d00f59113ff3f
parent224711df5c00f7540b89f32a8225866031977f17 (diff)
downloadop-kernel-dev-af11e31609d93765c1b22611592543e028f7aa54.zip
op-kernel-dev-af11e31609d93765c1b22611592543e028f7aa54.tar.gz
[XFRM] SAD info TLV aggregationx
Aggregate the SAD 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>
-rw-r--r--include/linux/xfrm.h21
-rw-r--r--include/net/xfrm.h17
-rw-r--r--net/xfrm/xfrm_state.c2
-rw-r--r--net/xfrm/xfrm_user.c22
4 files changed, 25 insertions, 37 deletions
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index a5d53e0..c237fe3 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -243,17 +243,6 @@ enum xfrm_ae_ftype_t {
#define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
};
-/* SAD Table filter flags */
-enum xfrm_sad_ftype_t {
- XFRM_SAD_UNSPEC,
- XFRM_SAD_HMASK=1,
- XFRM_SAD_HMAX=2,
- XFRM_SAD_CNT=4,
- __XFRM_SAD_MAX
-
-#define XFRM_SAD_MAX (__XFRM_SAD_MAX - 1)
-};
-
struct xfrm_userpolicy_type {
__u8 type;
__u16 reserved1;
@@ -287,14 +276,18 @@ enum xfrm_attr_type_t {
enum xfrm_sadattr_type_t {
XFRMA_SAD_UNSPEC,
- XFRMA_SADHMASK,
- XFRMA_SADHMAX,
- XFRMA_SADCNT,
+ XFRMA_SAD_CNT,
+ XFRMA_SAD_HINFO,
__XFRMA_SAD_MAX
#define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
};
+struct xfrmu_sadhinfo {
+ __u32 sadhcnt; /* current hash bkts */
+ __u32 sadhmcnt; /* max allowed hash bkts */
+};
+
/* SPD Table filter flags */
enum xfrm_spd_ftype_t {
XFRM_SPD_UNSPEC,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 66c2d3e..d0d7db5 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -416,14 +416,6 @@ struct xfrm_audit
u32 secid;
};
-/* SAD metadata, add more later */
-struct xfrm_sadinfo
-{
- u32 sadhcnt; /* current hash bkts */
- u32 sadhmcnt; /* max allowed hash bkts */
- u32 sadcnt; /* current running count */
-};
-
struct xfrm_spdinfo
{
u32 incnt;
@@ -964,10 +956,17 @@ static inline int xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **s
return -ENOSYS;
}
#endif
+
+struct xfrmk_sadinfo {
+ u32 sadhcnt; /* current hash bkts */
+ u32 sadhmcnt; /* max allowed hash bkts */
+ u32 sadcnt; /* current running count */
+};
+
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 xfrm_sadinfo *si);
+extern void xfrm_sad_getinfo(struct xfrmk_sadinfo *si);
extern void xfrm_spd_getinfo(struct xfrm_spdinfo *si);
extern int xfrm_replay_check(struct xfrm_state *x, __be32 seq);
extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index f3a61eb..9955ff4 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -421,7 +421,7 @@ restart:
}
EXPORT_SYMBOL(xfrm_state_flush);
-void xfrm_sad_getinfo(struct xfrm_sadinfo *si)
+void xfrm_sad_getinfo(struct xfrmk_sadinfo *si)
{
spin_lock_bh(&xfrm_state_lock);
si->sadcnt = xfrm_state_num;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 4210d91..c35b9ea 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -749,7 +749,8 @@ static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
static int build_sadinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
{
- struct xfrm_sadinfo si;
+ struct xfrmk_sadinfo si;
+ struct xfrmu_sadhinfo sh;
struct nlmsghdr *nlh;
u32 *f;
@@ -761,12 +762,11 @@ static int build_sadinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
*f = flags;
xfrm_sad_getinfo(&si);
- if (flags & XFRM_SAD_HMASK)
- NLA_PUT_U32(skb, XFRMA_SADHMASK, si.sadhcnt);
- if (flags & XFRM_SAD_HMAX)
- NLA_PUT_U32(skb, XFRMA_SADHMAX, si.sadhmcnt);
- if (flags & XFRM_SAD_CNT)
- NLA_PUT_U32(skb, XFRMA_SADCNT, si.sadcnt);
+ sh.sadhmcnt = si.sadhmcnt;
+ sh.sadhcnt = si.sadhcnt;
+
+ NLA_PUT_U32(skb, XFRMA_SAD_CNT, si.sadcnt);
+ NLA_PUT(skb, XFRMA_SAD_HINFO, sizeof(sh), &sh);
return nlmsg_end(skb, nlh);
@@ -784,12 +784,8 @@ static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 seq = nlh->nlmsg_seq;
int len = NLMSG_LENGTH(sizeof(u32));
- if (*flags & XFRM_SAD_HMASK)
- len += RTA_SPACE(sizeof(u32));
- if (*flags & XFRM_SAD_HMAX)
- len += RTA_SPACE(sizeof(u32));
- if (*flags & XFRM_SAD_CNT)
- len += RTA_SPACE(sizeof(u32));
+ len += RTA_SPACE(sizeof(struct xfrmu_sadhinfo));
+ len += RTA_SPACE(sizeof(u32));
r_skb = alloc_skb(len, GFP_ATOMIC);
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