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Viewing changes to drivers/isdn/i4l/isdn_ppp.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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drivers/isdn/i4l/isdn_ppp.c
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#define MP_LONGSEQ_MAXBIT       ((MP_LONGSEQ_MASK+1)>>1)
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#define MP_SHORTSEQ_MAXBIT      ((MP_SHORTSEQ_MASK+1)>>1)
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/* sequence-wrap safe comparisions (for long sequence)*/ 
 
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/* sequence-wrap safe comparisons (for long sequence)*/
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#define MP_LT(a,b)      ((a-b)&MP_LONGSEQ_MAXBIT)
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#define MP_LE(a,b)      !((b-a)&MP_LONGSEQ_MAXBIT)
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#define MP_GT(a,b)      ((b-a)&MP_LONGSEQ_MAXBIT)
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                 * then next fragment should be the start of new reassembly
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                 * if sequence is contiguous, but we haven't reassembled yet,
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                 * keep going.
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                 * if sequence is not contiguous, either clear everyting
 
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                 * if sequence is not contiguous, either clear everything
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                 * below low watermark and set start to the next frag or
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                 * clear start ptr.
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                 */