This is needed by mac80211_hwsim.
The code was copied from kernel 3.4.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/net/genetlink.h | 5 +++++
backport/compat/compat-3.3.c | 13 +++++++++++++
2 files changed, 18 insertions(+)
diff --git a/backport/backport-include/net/genetlink.h b/backport/backport-include/net/genetlink.h
index fc7eff4..0535b0f 100644
--- a/backport/backport-include/net/genetlink.h
+++ b/backport/backport-include/net/genetlink.h
@@ -1,6 +1,7 @@
#ifndef __BACKPORT_NET_GENETLINK_H
#define __BACKPORT_NET_GENETLINK_H
#include_next <net/genetlink.h>
+#include <linux/version.h>
/* this is for patches we apply */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
@@ -85,6 +86,10 @@ _genl_register_family_with_ops_grps(struct genl_family *family,
#define genl_unregister_family backport_genl_unregister_family
int genl_unregister_family(struct genl_family *family);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
+extern void genl_notify(struct sk_buff *skb, struct net *net, u32 pid,
+ u32 group, struct nlmsghdr *nlh, gfp_t flags);
+#endif
#define genl_notify(_fam, _skb, _net, _portid, _group, _nlh, _flags) \
genl_notify(_skb, _net, _portid, (_fam)->mcgrps[_group].id, \
_nlh, _flags)
diff --git a/backport/compat/compat-3.3.c b/backport/compat/compat-3.3.c
index 7ddc2bd..490c29b 100644
--- a/backport/compat/compat-3.3.c
+++ b/backport/compat/compat-3.3.c
@@ -224,3 +224,16 @@ void backport_destroy_workqueue(struct workqueue_struct *wq)
spin_unlock(&wq_name_lock);
}
EXPORT_SYMBOL_GPL(backport_destroy_workqueue);
+
+void genl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
+ struct nlmsghdr *nlh, gfp_t flags)
+{
+ struct sock *sk = net->genl_sock;
+ int report = 0;
+
+ if (nlh)
+ report = nlmsg_report(nlh);
+
+ nlmsg_notify(sk, skb, pid, group, report, flags);
+}
+EXPORT_SYMBOL_GPL(genl_notify);
--
1.9.1
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