From: David S. Miller Date: Thu, 27 Jan 2011 21:52:16 +0000 (-0800) Subject: inetpeer: Mark metrics as "new" in fresh inetpeer entries. X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=144001bddcb4db62c2261f1d703d835851031577;p=deliverable%2Flinux.git inetpeer: Mark metrics as "new" in fresh inetpeer entries. Set the RTAX_LOCKED metric to INETPEER_METRICS_NEW (basically, all ones) on fresh inetpeer entries. This way code can determine if default metrics have been loaded in from a routing table entry already. Signed-off-by: David S. Miller --- diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index 2af0c63d3975..61f2c66edb2a 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h @@ -51,6 +51,13 @@ struct inet_peer { void inet_initpeers(void) __init; +#define INETPEER_METRICS_NEW (~(u32) 0) + +static inline bool inet_metrics_new(const struct inet_peer *p) +{ + return p->metrics[RTAX_LOCK-1] == INETPEER_METRICS_NEW; +} + /* can be called with or without local BH being disabled */ struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create); diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index a96e65674ac3..b6513b13d729 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -512,6 +512,7 @@ struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create) atomic_set(&p->rid, 0); atomic_set(&p->ip_id_count, secure_ip_id(daddr->a4)); p->tcp_ts_stamp = 0; + p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW; INIT_LIST_HEAD(&p->unused);