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| author | Adam Ierymenko <adam.ierymenko@gmail.com> | 2014-09-25 15:57:43 -0700 |
|---|---|---|
| committer | Adam Ierymenko <adam.ierymenko@gmail.com> | 2014-09-25 15:57:43 -0700 |
| commit | 9e186bbd89966d417dd960eff65a1971a2640020 (patch) | |
| tree | bc912bbc01d291e3563f17fb311c421d243c1930 /node/Packet.hpp | |
| parent | 050a0ce85dd548550001188a3c4d45d3163dff1d (diff) | |
| download | infinitytier-9e186bbd89966d417dd960eff65a1971a2640020.tar.gz infinitytier-9e186bbd89966d417dd960eff65a1971a2640020.zip | |
.
Diffstat (limited to 'node/Packet.hpp')
| -rw-r--r-- | node/Packet.hpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/node/Packet.hpp b/node/Packet.hpp index 214479d6..cfeb66f8 100644 --- a/node/Packet.hpp +++ b/node/Packet.hpp @@ -660,8 +660,8 @@ public: VERB_NETWORK_CONFIG_REFRESH = 12, /* Request endpoints for multicast distribution: - * <[1] flags> * <[8] 64-bit network ID> + * <[1] flags> * <[6] MAC address of multicast group being queried> * <[4] 32-bit ADI for multicast group being queried> * <[4] 32-bit (suggested) max number of multicast peers desired or 0 for no limit> @@ -683,6 +683,9 @@ public: * <[2] 16-bit number of members enumerated in this packet> * <[...] series of 5-byte ZeroTier addresses of enumerated members> * + * If no endpoints are known, OK and ERROR are both optional. It's okay + * to return nothing in that case since gathering is "lazy." + * * ERROR response payload: * <[8] 64-bit network ID> * <[6] MAC address of multicast group being queried> @@ -696,6 +699,7 @@ public: /* Multicast frame: * <[8] 64-bit network ID> * <[1] flags (currently unused, must be 0)> + * <[4] 32-bit (suggested) gather limit or 0 for no gathering> * <[4] 32-bit multicast ADI (note that this is out of order here -- it precedes MAC)> * <[6] destination MAC or all zero for destination node> * <[6] source MAC or all zero for node of origin> @@ -705,7 +709,16 @@ public: * This is similar to EXT_FRAME but carries a multicast, and is sent * out to recipients on a multicast list. * - * OK is not generated. + * (ADI precedes MAC here so that everything from destination MAC forward + * could be treated as a raw Ethernet frame.) + * + * OK response payload: + * <[1] flags> + * [... same as OK(GATHER) if flag 0x01 is set ...] + * + * Flags in OK are 0x01 for "gathering results returned," which can be + * sent if a gather limit is specified in the original FRAME and there + * are known endpoints to gather. This way frames can also gather. * * ERROR response payload: * <[6] multicast group MAC> |