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Commit 6175faaf authored by Hansen Kurli's avatar Hansen Kurli Committed by Automerger Merge Worker
Browse files

Merge "Set TCP_MAXSEG to 1220 for better reliability." am: b7e8974c 

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2327753



Change-Id: I621257dcb0c3f29984eae48229df08e9e09ae72f
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 7e9fd669 b7e8974c

DnsTlsSocket.cpp

+6 −0
Original line number Diff line number Diff line
@@ -94,6 +94,12 @@ Status DnsTlsSocket::tcpConnect() { 
        return Status(err);

    }



    // Set TCP MSS to a suitably low value to be more reliable.

    const int v = 1220;

    if (setsockopt(mSslFd.get(), SOL_TCP, TCP_MAXSEG, &v, sizeof(v)) == -1) {

        LOG(WARNING) << "Failed to set TCP_MAXSEG: " << errno;

    }



    const Status tfo = enableSockopt(mSslFd.get(), SOL_TCP, TCP_FASTOPEN_CONNECT);

    if (!isOk(tfo) && tfo.code() != ENOPROTOOPT) {

        LOG(WARNING) << "Failed to enable TFO: " << tfo.msg();