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Add original hop limit to header to determine hops used (#3321)

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* Set `hop_start` in header to determine how many hops each packet traveled

* Set hopLimit of response according to hops used by request

* Identify neighbors based on `hopStart` and `hopLimit`

* NeighborInfo: get all packets and assume a default broadcast interval

* Add fail-safe in case node in between is running modified firmware

* Add `viaMQTT` and `hopsAway` to NodeInfo

* Replace `HOP_RELIABLE` with hopStart for repeated packet

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
GUVWAF
2024-03-08 14:13:57 +01:00
committed by GitHub
parent a4830e0ab1
commit 585805c3b9
13 changed files with 76 additions and 25 deletions
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6
src/mesh/RadioInterface.h
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@@ -10,9 +10,11 @@
#define MAX_RHPACKETLEN 256
#define PACKET_FLAGS_HOP_MASK 0x07
#define PACKET_FLAGS_HOP_LIMIT_MASK 0x07
#define PACKET_FLAGS_WANT_ACK_MASK 0x08
#define PACKET_FLAGS_VIA_MQTT_MASK 0x10
#define PACKET_FLAGS_HOP_START_MASK 0xE0
#define PACKET_FLAGS_HOP_START_SHIFT 5
/**
* This structure has to exactly match the wire layout when sent over the radio link. Used to keep compatibility
@@ -224,4 +226,4 @@ class RadioInterface
};
/// Debug printing for packets
void printPacket(const char *prefix, const meshtastic_MeshPacket *p);
void printPacket(const char *prefix, const meshtastic_MeshPacket *p);