Problems with UI frame reception

From: James Cutler (fkknc.kdejidn@kvh.co.jp)
Date: Tue Jul 23 2002 - 07:35:21 EEST

  • Next message: Tomi Manninen OH2BNS: "Re: Problems with UI frame reception"

    Hello,

    I'm working with UI frames and am having problems with receiving UI
    frames. I've written a simple send and recieve pair. The send software
    seems correct as monitored by the "listen" program. But the receiver is
    working as I expect.

    First, I have to call "connect" (in addition to creating and binding the
    socket) on the receive socket for anything to be received. And then it
    only receives packets from the socket I "connected" to. Which makes sense
    but I'm confused why I need to "connect" a receive socket?

    Second, the packets I do receive are missing the first byte. The first
    byte is cut off.

    I'm running kernel 2.4.19-rc2 with libax25-0.0.10.

    Any suggestions?

    Thanks.

    --James

    PS...I've hacked up "listen.c" code to do this but that uses SOCK_PACKET.
    It would be much cleaner to us DGRAMs but I'm having this reception
    issues.

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