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ip6mr: add netlink notifications on mrt6msg cache reports

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Add Netlink notifications on cache reports in ip6mr, in addition to the
existing mrt6msg sent to mroute6_sk.
Send RTM_NEWCACHEREPORT notifications to RTNLGRP_IPV6_MROUTE_R.

MSGTYPE, MIF_ID, SRC_ADDR and DST_ADDR Netlink attributes contain the
same data as their equivalent fields in the mrt6msg header.
PKT attribute is the packet sent to mroute6_sk, without the added
mrt6msg header.

Suggested-by: Ryan Halbrook <halbrook@arista.com>
Signed-off-by: Julien Gomes <julien@arista.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julien Gomes
2017-06-20 13:54:18 -07:00
committed by David S. Miller
parent 5a645dd86c
commit dd12d15c9a
2 changed files with 81 additions and 2 deletions
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12
include/uapi/linux/mroute6.h
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@@ -133,4 +133,16 @@ struct mrt6msg {
struct in6_addr im6_src, im6_dst;
};
/* ip6mr netlink cache report attributes */
enum {
IP6MRA_CREPORT_UNSPEC,
IP6MRA_CREPORT_MSGTYPE,
IP6MRA_CREPORT_MIF_ID,
IP6MRA_CREPORT_SRC_ADDR,
IP6MRA_CREPORT_DST_ADDR,
IP6MRA_CREPORT_PKT,
__IP6MRA_CREPORT_MAX
};
#define IP6MRA_CREPORT_MAX (__IP6MRA_CREPORT_MAX - 1)
#endif /* _UAPI__LINUX_MROUTE6_H */