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[NET]: Core net changes to generate netevents

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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>
This commit is contained in:
Tom Tucker
2006-07-30 20:43:36 -07:00
committed by David S. Miller
parent 792d1932e3
commit 8d71740c56
4 changed files with 24 additions and 7 deletions
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8
net/ipv4/route.c
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@ -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 @@ void ip_rt_redirect(u32 old_gw, u32 daddr, u32 new_gw,
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 @@ void ip_rt_redirect(u32 old_gw, u32 daddr, u32 new_gw,
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 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
}
dst->metrics[RTAX_MTU-1] = mtu;
dst_set_expires(dst, ip_rt_mtu_expires);
call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
}
}