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Maitain ingress ECN counts in the AckState for writing ACKs

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Summary:
Keep track of ECN values in incoming packets and update the AckState that is used for echoing the counts to the peer in ACK_ECN frames.

Reading and writing the ACK_ECN frames is in the next change.

Reviewed By: kvtsoy

Differential Revision: D54927783

fbshipit-source-id: 44471c6224ee8578aaacc0d1a1c54370ef6d2ffe
This commit is contained in:
Joseph Beshay
2024-05-15 11:51:15 -07:00
committed by Facebook GitHub Bot
parent 3eef6d0e55
commit 9add439090
8 changed files with 108 additions and 38 deletions
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4
quic/server/state/ServerStateMachine.cpp
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@@ -1015,8 +1015,8 @@ void onServerReadDataFromOpen(
}
auto& ackState = getAckState(conn, packetNumberSpace);
uint64_t distanceFromExpectedPacketNum = addPacketToAckState(
conn, ackState, packetNum, readData.udpPacket.timings);
uint64_t distanceFromExpectedPacketNum =
addPacketToAckState(conn, ackState, packetNum, readData.udpPacket);
if (distanceFromExpectedPacketNum > 0) {
QUIC_STATS(conn.statsCallback, onOutOfOrderPacketReceived);
}