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authorJoe Stringer <joestringer@nicira.com>2015-01-21 16:42:51 -0800
committerDavid S. Miller <davem@davemloft.net>2015-01-26 15:45:50 -0800
commit7b1883cefc288b2725966357edd2d8f321605622 (patch)
tree37184bcd556879f5ef7e9b52bea2263909082cbe /include/net/genetlink.h
parent272c2cf84152eb7fba11407d1649c85eee243e21 (diff)
downloadlinux-7b1883cefc288b2725966357edd2d8f321605622.tar.gz
genetlink: Add genlmsg_parse() helper function.
The first user will be the next patch. Signed-off-by: Joe Stringer <joestringer@nicira.com> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/genetlink.h')
-rw-r--r--include/net/genetlink.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index f24aa83b80b6..d5a9a8b5af37 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -206,6 +206,23 @@ static inline struct nlmsghdr *genlmsg_nlhdr(void *user_hdr,
}
/**
+ * genlmsg_parse - parse attributes of a genetlink message
+ * @nlh: netlink message header
+ * @family: genetlink message family
+ * @tb: destination array with maxtype+1 elements
+ * @maxtype: maximum attribute type to be expected
+ * @policy: validation policy
+ * */
+static inline int genlmsg_parse(const struct nlmsghdr *nlh,
+ const struct genl_family *family,
+ struct nlattr *tb[], int maxtype,
+ const struct nla_policy *policy)
+{
+ return nlmsg_parse(nlh, family->hdrsize + GENL_HDRLEN, tb, maxtype,
+ policy);
+}
+
+/**
* 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()