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authorHangbin Liu <liuhangbin@gmail.com>2022-10-28 04:42:21 -0400
committerJakub Kicinski <kuba@kernel.org>2022-10-31 18:10:21 -0700
commit1d997f1013079c05b642c739901e3584a3ae558d (patch)
treeda4284d4c659d2654f9b3b48a022452cfe6baeb7 /include/net/netlink.h
parent37fe9b981667b37925e5f0d62aa59176c3633437 (diff)
rtnetlink: pass netlink message header and portid to rtnl_configure_link()
This patch pass netlink message header and portid to rtnl_configure_link() All the functions in this call chain need to add the parameters so we can use them in the last call rtnl_notify(), and notify the userspace about the new link info if NLM_F_ECHO flag is set. - rtnl_configure_link() - __dev_notify_flags() - rtmsg_ifinfo() - rtmsg_ifinfo_event() - rtmsg_ifinfo_build_skb() - rtmsg_ifinfo_send() - rtnl_notify() Also move __dev_notify_flags() declaration to net/core/dev.h, as Jakub suggested. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/netlink.h')
-rw-r--r--include/net/netlink.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 784b4688fc6f..464e2e026f7b 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -900,6 +900,17 @@ static inline int nlmsg_report(const struct nlmsghdr *nlh)
}
/**
+ * nlmsg_seq - return the seq number of netlink message
+ * @nlh: netlink message header
+ *
+ * Returns 0 if netlink message is NULL
+ */
+static inline u32 nlmsg_seq(const struct nlmsghdr *nlh)
+{
+ return nlh ? nlh->nlmsg_seq : 0;
+}
+
+/**
* nlmsg_for_each_attr - iterate over a stream of attributes
* @pos: loop counter, set to current attribute
* @nlh: netlink message header