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[XFRM] SAD info TLV aggregationx

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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>
This commit is contained in:
Jamal Hadi Salim 2007-05-04 12:55:13 -07:00 committed by David S. Miller
parent 224711df5c
commit af11e31609
4 changed files with 25 additions and 37 deletions
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21
include/linux/xfrm.h
View file

@ -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,

17
include/net/xfrm.h
View file

@ -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);

2
net/xfrm/xfrm_state.c
View file

@ -421,7 +421,7 @@ void xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info)
}
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;

22
net/xfrm/xfrm_user.c
View file

@ -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);