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| author | David S. Miller <davem@davemloft.net> | 2011-02-04 15:55:25 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-02-04 15:59:53 -0800 |
| commit | 92d8682926342d2b6aa5b2ecc02221e00e1573a0 (patch) | |
| tree | 7f70b9cc2975716ab60ddd632b9fecf0a51b828d /include/net/inetpeer.h | |
| parent | 0131ba451e20239c5dc701027c1a2edef95e1a6e (diff) | |
| download | op-kernel-dev-92d8682926342d2b6aa5b2ecc02221e00e1573a0.zip op-kernel-dev-92d8682926342d2b6aa5b2ecc02221e00e1573a0.tar.gz | |
inetpeer: Move ICMP rate limiting state into inet_peer entries.
Like metrics, the ICMP rate limiting bits are cached state about
a destination. So move it into the inet_peer entries.
If an inet_peer cannot be bound (the reason is memory allocation
failure or similar), the policy is to allow.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inetpeer.h')
| -rw-r--r-- | include/net/inetpeer.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index 61f2c66..ead2cb2 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h @@ -44,6 +44,8 @@ struct inet_peer { __u32 tcp_ts; __u32 tcp_ts_stamp; u32 metrics[RTAX_MAX]; + u32 rate_tokens; /* rate limiting for ICMP */ + unsigned long rate_last; }; struct rcu_head rcu; }; @@ -81,6 +83,7 @@ static inline struct inet_peer *inet_getpeer_v6(struct in6_addr *v6daddr, int cr /* can be called from BH context or outside */ extern void inet_putpeer(struct inet_peer *p); +extern bool inet_peer_xrlim_allow(struct inet_peer *peer, int timeout); /* * temporary check to make sure we dont access rid, ip_id_count, tcp_ts, |
