rtnetlink: add NEWCACHEREPORT message type

New NEWCACHEREPORT message type to be used for cache reports sent
via Netlink, effectively allowing splitting cache report reception from
mroute programming.

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 13:54:15 -07:00 committed by David S. Miller
parent 083a0326ae
commit 94df30a652
2 changed files with 5 additions and 1 deletions

View File

@ -146,6 +146,9 @@ enum {
RTM_GETSTATS = 94,
#define RTM_GETSTATS RTM_GETSTATS
RTM_NEWCACHEREPORT = 96,
#define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT
__RTM_MAX,
#define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1)
};

View File

@ -79,6 +79,7 @@ static const struct nlmsg_perm nlmsg_route_perms[] =
{ RTM_GETNSID, NETLINK_ROUTE_SOCKET__NLMSG_READ },
{ RTM_NEWSTATS, NETLINK_ROUTE_SOCKET__NLMSG_READ },
{ RTM_GETSTATS, NETLINK_ROUTE_SOCKET__NLMSG_READ },
{ RTM_NEWCACHEREPORT, NETLINK_ROUTE_SOCKET__NLMSG_READ },
};
static const struct nlmsg_perm nlmsg_tcpdiag_perms[] =
@ -158,7 +159,7 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm)
switch (sclass) {
case SECCLASS_NETLINK_ROUTE_SOCKET:
/* RTM_MAX always point to RTM_SETxxxx, ie RTM_NEWxxx + 3 */
BUILD_BUG_ON(RTM_MAX != (RTM_NEWSTATS + 3));
BUILD_BUG_ON(RTM_MAX != (RTM_NEWCACHEREPORT + 3));
err = nlmsg_perm(nlmsg_type, perm, nlmsg_route_perms,
sizeof(nlmsg_route_perms));
break;