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From 1b02e31d0a236e36378ccf5ecf0738d7d91c2508 Mon Sep 17 00:00:00 2001
From: Jamal Hadi Salim <hadi@cyberus.ca>
Date: Mon, 22 Feb 2010 11:32:54 +0000
Subject: [PATCH 1/7] xfrm: introduce basic mark infrastructure
Add basic structuring and accessors for xfrm mark
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/xfrm.h | 13 ++++++++++---
include/net/xfrm.h | 22 ++++++++++++++++++++++
2 files changed, 32 insertions(+), 3 deletions(-)
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 2d4ec15..3eabe30 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -269,8 +269,8 @@ enum xfrm_attr_type_t {
XFRMA_ALG_COMP, /* struct xfrm_algo */
XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */
XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */
- XFRMA_SA,
- XFRMA_POLICY,
+ XFRMA_SA, /* struct xfrm_usersa_info */
+ XFRMA_POLICY, /*struct xfrm_userpolicy_info */
XFRMA_SEC_CTX, /* struct xfrm_sec_ctx */
XFRMA_LTIME_VAL,
XFRMA_REPLAY_VAL,
@@ -278,16 +278,23 @@ enum xfrm_attr_type_t {
XFRMA_ETIMER_THRESH,
XFRMA_SRCADDR, /* xfrm_address_t */
XFRMA_COADDR, /* xfrm_address_t */
- XFRMA_LASTUSED,
+ XFRMA_LASTUSED, /* unsigned long */
XFRMA_POLICY_TYPE, /* struct xfrm_userpolicy_type */
XFRMA_MIGRATE,
XFRMA_ALG_AEAD, /* struct xfrm_algo_aead */
XFRMA_KMADDRESS, /* struct xfrm_user_kmaddress */
+ XFRMA_ALG_AUTH_TRUNC_PLACE_HOLDER,
+ XFRMA_MARK, /* struct xfrm_mark */
__XFRMA_MAX
#define XFRMA_MAX (__XFRMA_MAX - 1)
};
+struct xfrm_mark {
+ __u32 v; /* value */
+ __u32 m; /* mask */
+};
+
enum xfrm_sadattr_type_t {
XFRMA_SAD_UNSPEC,
XFRMA_SAD_CNT,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 223e90a..ba8d34f 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -138,6 +138,7 @@ struct xfrm_state
struct xfrm_id id;
struct xfrm_selector sel;
+ struct xfrm_mark mark;
u32 genid;
@@ -483,6 +484,7 @@ struct xfrm_policy
u32 priority;
u32 index;
+ struct xfrm_mark mark;
struct xfrm_selector selector;
struct xfrm_lifetime_cfg lft;
struct xfrm_lifetime_cur curlft;
@@ -1569,4 +1571,24 @@ static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
}
#endif
+static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m)
+{
+ if (attrs[XFRMA_MARK])
+ memcpy(m, nla_data(attrs[XFRMA_MARK]), sizeof(m));
+ else
+ m->v = m->m = 0;
+
+ return m->v & m->m;
+}
+
+static inline int xfrm_mark_put(struct sk_buff *skb, struct xfrm_mark *m)
+{
+ if (m->m | m->v)
+ NLA_PUT(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m);
+ return 0;
+
+nla_put_failure:
+ return -1;
+}
+
#endif /* _NET_XFRM_H */
--
1.6.3.3
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