summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mroute.h45
-rw-r--r--include/linux/mroute6.h23
-rw-r--r--include/linux/mroute_base.h45
3 files changed, 50 insertions, 63 deletions
diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index 8688c5d03a24..63b36e6c72a0 100644
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -81,28 +81,13 @@ struct mfc_cache_cmp_arg {
/**
* struct mfc_cache - multicast routing entries
- * @mnode: rhashtable list
+ * @_c: Common multicast routing information; has to be first [for casting]
* @mfc_mcastgrp: destination multicast group address
* @mfc_origin: source address
* @cmparg: used for rhashtable comparisons
- * @mfc_parent: source interface (iif)
- * @mfc_flags: entry flags
- * @expires: unresolved entry expire time
- * @unresolved: unresolved cached skbs
- * @last_assert: time of last assert
- * @minvif: minimum VIF id
- * @maxvif: maximum VIF id
- * @bytes: bytes that have passed for this entry
- * @pkt: packets that have passed for this entry
- * @wrong_if: number of wrong source interface hits
- * @lastuse: time of last use of the group (traffic or update)
- * @ttls: OIF TTL threshold array
- * @refcount: reference count for this entry
- * @list: global entry list
- * @rcu: used for entry destruction
*/
struct mfc_cache {
- struct rhlist_head mnode;
+ struct mr_mfc _c;
union {
struct {
__be32 mfc_mcastgrp;
@@ -110,28 +95,6 @@ struct mfc_cache {
};
struct mfc_cache_cmp_arg cmparg;
};
- vifi_t mfc_parent;
- int mfc_flags;
-
- union {
- struct {
- unsigned long expires;
- struct sk_buff_head unresolved;
- } unres;
- struct {
- unsigned long last_assert;
- int minvif;
- int maxvif;
- unsigned long bytes;
- unsigned long pkt;
- unsigned long wrong_if;
- unsigned long lastuse;
- unsigned char ttls[MAXVIFS];
- refcount_t refcount;
- } res;
- } mfc_un;
- struct list_head list;
- struct rcu_head rcu;
};
struct mfc_entry_notifier_info {
@@ -155,12 +118,12 @@ static inline void ipmr_cache_free(struct mfc_cache *mfc_cache)
static inline void ipmr_cache_put(struct mfc_cache *c)
{
- if (refcount_dec_and_test(&c->mfc_un.res.refcount))
+ if (refcount_dec_and_test(&c->_c.mfc_un.res.refcount))
ipmr_cache_free(c);
}
static inline void ipmr_cache_hold(struct mfc_cache *c)
{
- refcount_inc(&c->mfc_un.res.refcount);
+ refcount_inc(&c->_c.mfc_un.res.refcount);
}
#endif
diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h
index d5c8dc155a42..6acf576fc135 100644
--- a/include/linux/mroute6.h
+++ b/include/linux/mroute6.h
@@ -71,7 +71,7 @@ struct mfc6_cache_cmp_arg {
};
struct mfc6_cache {
- struct rhlist_head mnode;
+ struct mr_mfc _c;
union {
struct {
struct in6_addr mf6c_mcastgrp;
@@ -79,27 +79,6 @@ struct mfc6_cache {
};
struct mfc6_cache_cmp_arg cmparg;
};
- mifi_t mf6c_parent; /* Source interface */
- int mfc_flags; /* Flags on line */
-
- union {
- struct {
- unsigned long expires;
- struct sk_buff_head unresolved; /* Unresolved buffers */
- } unres;
- struct {
- unsigned long last_assert;
- int minvif;
- int maxvif;
- unsigned long bytes;
- unsigned long pkt;
- unsigned long wrong_if;
- unsigned long lastuse;
- unsigned char ttls[MAXMIFS]; /* TTL thresholds */
- } res;
- } mfc_un;
- struct list_head list;
- struct rcu_head rcu;
};
#define MFC_STATIC 1
diff --git a/include/linux/mroute_base.h b/include/linux/mroute_base.h
index 805305722803..2769e2f98b32 100644
--- a/include/linux/mroute_base.h
+++ b/include/linux/mroute_base.h
@@ -45,6 +45,51 @@ struct vif_device {
#define VIF_EXISTS(_mrt, _idx) (!!((_mrt)->vif_table[_idx].dev))
/**
+ * struct mr_mfc - common multicast routing entries
+ * @mnode: rhashtable list
+ * @mfc_parent: source interface (iif)
+ * @mfc_flags: entry flags
+ * @expires: unresolved entry expire time
+ * @unresolved: unresolved cached skbs
+ * @last_assert: time of last assert
+ * @minvif: minimum VIF id
+ * @maxvif: maximum VIF id
+ * @bytes: bytes that have passed for this entry
+ * @pkt: packets that have passed for this entry
+ * @wrong_if: number of wrong source interface hits
+ * @lastuse: time of last use of the group (traffic or update)
+ * @ttls: OIF TTL threshold array
+ * @refcount: reference count for this entry
+ * @list: global entry list
+ * @rcu: used for entry destruction
+ */
+struct mr_mfc {
+ struct rhlist_head mnode;
+ unsigned short mfc_parent;
+ int mfc_flags;
+
+ union {
+ struct {
+ unsigned long expires;
+ struct sk_buff_head unresolved;
+ } unres;
+ struct {
+ unsigned long last_assert;
+ int minvif;
+ int maxvif;
+ unsigned long bytes;
+ unsigned long pkt;
+ unsigned long wrong_if;
+ unsigned long lastuse;
+ unsigned char ttls[MAXVIFS];
+ refcount_t refcount;
+ } res;
+ } mfc_un;
+ struct list_head list;
+ struct rcu_head rcu;
+};
+
+/**
* struct mr_table - a multicast routing table
* @list: entry within a list of multicast routing tables
* @net: net where this table belongs