diff options
| author | Nikolay Aleksandrov <nikolay@cumulusnetworks.com> | 2018-07-13 12:16:43 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-14 00:21:16 +0300 |
| commit | c921c2077b32081617789a645120148bc8b60c98 (patch) | |
| tree | 532124740dbc9fba27b1d55bae50d34205cc115f /include/uapi/linux/mroute.h | |
| parent | 430ac34de9693bfe4bea0bab830e0ca0be9ef4b9 (diff) | |
| download | linux-c921c2077b32081617789a645120148bc8b60c98.tar.xz | |
net: ipmr: add support for passing full packet on wrong vif
This patch adds support for IGMPMSG_WRVIFWHOLE which is used to pass
full packet and real vif id when the incoming interface is wrong.
While the RP and FHR are setting up state we need to be sending the
registers encapsulated with all the data inside otherwise we lose it.
The RP then decapsulates it and forwards it to the interested parties.
Currently with WRONGVIF we can only be sending empty register packets
and will lose that data.
This behaviour can be enabled by using MRT_PIM with
val == IGMPMSG_WRVIFWHOLE. This doesn't prevent IGMPMSG_WRONGVIF from
happening, it happens in addition to it, also it is controlled by the same
throttling parameters as WRONGVIF (i.e. 1 packet per 3 seconds currently).
Both messages are generated to keep backwards compatibily and avoid
breaking someone who was enabling MRT_PIM with val == 4, since any
positive val is accepted and treated the same.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/mroute.h')
| -rw-r--r-- | include/uapi/linux/mroute.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/mroute.h b/include/uapi/linux/mroute.h index 10f9ff9426a2..5d37a9ccce63 100644 --- a/include/uapi/linux/mroute.h +++ b/include/uapi/linux/mroute.h @@ -120,6 +120,7 @@ enum { IPMRA_TABLE_MROUTE_DO_ASSERT, IPMRA_TABLE_MROUTE_DO_PIM, IPMRA_TABLE_VIFS, + IPMRA_TABLE_MROUTE_DO_WRVIFWHOLE, __IPMRA_TABLE_MAX }; #define IPMRA_TABLE_MAX (__IPMRA_TABLE_MAX - 1) @@ -173,5 +174,6 @@ enum { #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */ #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */ #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */ +#define IGMPMSG_WRVIFWHOLE 4 /* For PIM Register and assert processing */ #endif /* _UAPI__LINUX_MROUTE_H */ |