1 files changed, 21 insertions, 2 deletions

diff --git a/src/transport/mod.rs b/src/transport/mod.rs
index 96f7651..b8b57af 100644
--- a/src/transport/mod.rs
+++ b/src/transport/mod.rs
@@ -409,8 +409,16 @@ pub(crate) struct LinksRequest {
     pub(crate) nonce: u64,
     /// For this long (seconds), a LINKS_REPLY again whenever the links change (a
     /// subscription; the next LINKS renews it). 0: this reply only, and a subscription
-    /// ends.
+    /// ends (a relayed one runs out instead).
     pub(crate) subscribe_secs: u32,
+    /// Members the receiver is to ask on the sender's behalf, which the sender can't
+    /// reach, passing their links on (relayed, `swarm::links`); none: the receiver's own.
+    pub(crate) of: Vec<String>,
+    /// How long relayed links may be held to send several in one LINKS_REPLY, by the
+    /// receiver and the hops after it together (milliseconds; `swarm::links`).
+    pub(crate) batch_ms: u32,
+    /// How many more nodes a relayed request may go through, after the receiver.
+    pub(crate) hops: u8,
 }
 
 /// LINKS_REPLY: how the sender is linked to its neighbours, as it measures them.
@@ -422,7 +430,18 @@ pub(crate) struct LinksReply {
     pub(crate) epoch_seq: u32,
     /// The request's.
     pub(crate) nonce: u64,
-    /// At most `swarm::links::MAX_LINKS`.
+    /// The sender's own, if asked for; at most `swarm::links::MAX_LINKS`.
+    pub(crate) links: Vec<Link>,
+    /// Other members' links, passed on (`LinksRequest::of`).
+    pub(crate) relayed: Vec<RelayedLinks>,
+}
+
+/// A member's links as a LINKS_REPLY passes them on.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub(crate) struct RelayedLinks {
+    pub(crate) member: String,
+    /// How long ago the member reported them (milliseconds).
+    pub(crate) age_ms: u32,
     pub(crate) links: Vec<Link>,
 }