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ipmr/ip6mr: advertise mfc stats via rtnetlink

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These statistics can be checked only via /proc/net/ip_mr_cache or
SIOCGETSGCNT[_IN6] and thus only for the table RT_TABLE_DEFAULT.
Advertising them via rtnetlink allows to get statistics for all cache entries,
whatever the table is.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel
2012-12-04 01:13:37 +00:00
committed by David S. Miller
parent 70b386a0cc
commit adfa85e45d
3 changed files with 21 additions and 0 deletions
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7
include/uapi/linux/rtnetlink.h
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@@ -288,6 +288,7 @@ enum rtattr_type_t {
RTA_MP_ALGO, /* no longer used */
RTA_TABLE,
RTA_MARK,
RTA_MFC_STATS,
__RTA_MAX
};
@@ -408,6 +409,12 @@ struct rta_session {
} u;
};
struct rta_mfc_stats {
__u64 mfcs_packets;
__u64 mfcs_bytes;
__u64 mfcs_wrong_if;
};
/****
* General form of address family dependent message.
****/