[NET]: Core net changes to generate netevents
Generate netevents for:
- neighbour changes
- routing redirects
- pmtu changes
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 2dc6dbb..19bd49d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -104,6 +104,7 @@
#include <net/icmp.h>
#include <net/xfrm.h>
#include <net/ip_mp_alg.h>
+#include <net/netevent.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
#endif
@@ -1125,6 +1126,7 @@
struct rtable *rth, **rthp;
u32 skeys[2] = { saddr, 0 };
int ikeys[2] = { dev->ifindex, 0 };
+ struct netevent_redirect netevent;
if (!in_dev)
return;
@@ -1216,6 +1218,11 @@
rt_drop(rt);
goto do_next;
}
+
+ netevent.old = &rth->u.dst;
+ netevent.new = &rt->u.dst;
+ call_netevent_notifiers(NETEVENT_REDIRECT,
+ &netevent);
rt_del(hash, rth);
if (!rt_intern_hash(hash, rt, &rt))
@@ -1452,6 +1459,7 @@
}
dst->metrics[RTAX_MTU-1] = mtu;
dst_set_expires(dst, ip_rt_mtu_expires);
+ call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
}
}