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authorJohn W. Linville <linville@tuxdriver.com>2011-06-24 15:25:51 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-06-24 15:25:51 -0400
commit36099365c7cc64e5184b66b6eb094950a13f540c (patch)
treec91b9f3719f94864a62f2d15a71aaecd54c56711 /include/net/genetlink.h
parent22c8c9343258feda9ea9ebb9e5f8cbb727b69454 (diff)
parentf70490e6078abe1182437e629f67a7f0b6f08cd4 (diff)
downloadop-kernel-dev-36099365c7cc64e5184b66b6eb094950a13f540c.zip
op-kernel-dev-36099365c7cc64e5184b66b6eb094950a13f540c.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/rtlwifi/pci.c include/linux/netlink.h
Diffstat (limited to 'include/net/genetlink.h')
-rw-r--r--include/net/genetlink.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index d420f28..82d8d09 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -160,6 +160,38 @@ static inline void *genlmsg_put(struct sk_buff *skb, u32 pid, u32 seq,
}
/**
+ * genlmsg_nlhdr - Obtain netlink header from user specified header
+ * @user_hdr: user header as returned from genlmsg_put()
+ * @family: generic netlink family
+ *
+ * Returns pointer to netlink header.
+ */
+static inline struct nlmsghdr *genlmsg_nlhdr(void *user_hdr,
+ struct genl_family *family)
+{
+ return (struct nlmsghdr *)((char *)user_hdr -
+ family->hdrsize -
+ GENL_HDRLEN -
+ NLMSG_HDRLEN);
+}
+
+/**
+ * genl_dump_check_consistent - check if sequence is consistent and advertise if not
+ * @cb: netlink callback structure that stores the sequence number
+ * @user_hdr: user header as returned from genlmsg_put()
+ * @family: generic netlink family
+ *
+ * Cf. nl_dump_check_consistent(), this just provides a wrapper to make it
+ * simpler to use with generic netlink.
+ */
+static inline void genl_dump_check_consistent(struct netlink_callback *cb,
+ void *user_hdr,
+ struct genl_family *family)
+{
+ nl_dump_check_consistent(cb, genlmsg_nlhdr(user_hdr, family));
+}
+
+/**
* genlmsg_put_reply - Add generic netlink header to a reply message
* @skb: socket buffer holding the message
* @info: receiver info
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