[XFRM]: Export SPD info

With this patch you can use iproute2 in user space to efficiently see
how many policies exist in different directions.

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

1 files changed, 35 insertions, 0 deletions

diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 9c656a5cf842..a5d53e0fe152 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -185,6 +185,11 @@ enum {
 #define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO
         XFRM_MSG_GETSADINFO,
 #define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO
+
+        XFRM_MSG_NEWSPDINFO,
+#define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
+        XFRM_MSG_GETSPDINFO,
+#define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
         __XFRM_MSG_MAX
 };
 #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
@@ -290,6 +295,36 @@ enum xfrm_sadattr_type_t {
 #define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
 };
 
+/* 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_MAX
+
+#define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
+};
+
 struct xfrm_usersa_info {
         struct xfrm_selector            sel;
         struct xfrm_id                  id;