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| author | David S. Miller <davem@davemloft.net> | 2011-01-27 13:52:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-01-27 13:52:16 -0800 |
| commit | 144001bddcb4db62c2261f1d703d835851031577 (patch) | |
| tree | e10cd1840542b2a6d4873ff8477314d91e453881 | |
| parent | 606598237c856b0c6584c2263288657658140da9 (diff) | |
| download | linux-144001bddcb4db62c2261f1d703d835851031577.tar.gz linux-144001bddcb4db62c2261f1d703d835851031577.tar.bz2 linux-144001bddcb4db62c2261f1d703d835851031577.zip | |
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 <davem@davemloft.net>
| -rw-r--r-- | include/net/inetpeer.h | 7 | ||||
| -rw-r--r-- | net/ipv4/inetpeer.c | 1 |
2 files changed, 8 insertions, 0 deletions
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); |