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  • Committer: Bazaar Package Importer
  • Author(s): Gabriel de Perthuis
  • Date: 2011-04-07 16:48:52 UTC
  • Revision ID: james.westby@ubuntu.com-20110407164852-8uamem42ojeptj6l
Tags: upstream-5.1.116~dfsg
Import upstream version 5.1.116~dfsg

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openpgm/pgm/options.txt
 
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   OPT_LENGTH      0x00 - Option's Length
 
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pgm_opt_header
 
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pgm_opt_length
 
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first option, always present.
 
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--------------------------------------------------------------------------------
 
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   OPT_FRAGMENT    0x01 - Fragmentation
 
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pgm_opt_header
 
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pgm_opt_fragment
 
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may be present for odata, rdata.  'MAY' exist for others, although a bit strange.
 
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   OPT_NAK_LIST    0x02 - List of NAK entries
 
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pgm_opt_header
 
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pgm_opt_nak_list
 
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may be present for naks.
 
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   OPT_JOIN        0x03 - Late Joining
 
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pgm_opt_header
 
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pgm_opt_join
 
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may be present for odata, rdata, spm.
 
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requires SPM to learn NLA already so not overly useful with odata/rdata, could be
 
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used with video streaming to last i-frame data sequence number.
 
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   OPT_REDIRECT    0x07 - Redirect
 
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pgm_opt_header
 
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pgm_opt_redirect
 
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pgm_opt_redirect6
 
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should be present for polrs from a dlr.
 
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   OPT_SYN         0x0D - Synchronization
 
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pgm_opt_header
 
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pgm_opt_syn
 
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must only appear with odata or rdata.
 
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--------------------------------------------------------------------------------
 
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   OPT_FIN         0x0E - Session Fin   receivers, conventional
 
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                          feedbackish
 
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pgm_opt_header
 
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opt_opt_fin
 
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may be present for odata, rdata, must appear in following spms.
 
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   OPT_RST         0x0F - Session Reset
 
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pgm_opt_header
 
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pgm_opt_rst
 
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must only appear in spms.  not many 'unrecoverable error conditions' exist though.
 
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   OPT_PARITY
 
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must appear in odata or rdata to indicate pro-active or on-demand parity data,
 
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nak to request parity repair data, ncf to confirm parity nak.
 
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   OPT_VAR_PKTLEN
 
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may be present in odata or data to indicate variable size packets.
 
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   OPT_PARITY_PRM  0x08 - Forward Error Correction Parameters
 
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pgm_opt_header
 
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pgm_opt_parity_prm
 
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appended to spms to inform of pro-active or on-demand parity.
 
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--------------------------------------------------------------------------------
 
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   OPT_PARITY_GRP  0x09 - Forward Error Correction Group Number
 
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pgm_opt_parity_grp
 
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appended to odata and rdata parity packets.
 
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--------------------------------------------------------------------------------
 
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   OPT_CURR_TGSIZE 0x0A - Forward Error Correction Group Size
 
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pgm_opt_curr_tgsize
 
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must appear in last odata or rdata packet of variable transmission group, may
 
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appear in spms.
 
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--------------------------------------------------------------------------------
 
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   OPT_CR          0x10 - Congestion Report
 
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pgm_opt_header
 
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pgm_opt_cr
 
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   OPT_CRQST       0x11 - Congestion Report Request
 
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pgm_opt_header
 
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pgm_opt_crqst
 
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--------------------------------------------------------------------------------
 
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   OPT_NAK_BO_IVL  0x04 - NAK Back-Off Interval
 
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pgm_opt_header
 
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pgm_opt_nak_bo_ivl
 
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--------------------------------------------------------------------------------
 
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   OPT_NAK_BO_RNG  0x05 - NAK Back-Off Range
 
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pgm_opt_header
 
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pgm_opt_nak_bo_rng
 
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--------------------------------------------------------------------------------
 
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   OPT_NBR_UNREACH 0x0B - Neighbor Unreachable
 
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pgm_opt_header
 
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pgm_opt_nbr_unreach
 
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--------------------------------------------------------------------------------
 
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   OPT_PATH_NLA    0x0C - Path NLA
 
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pgm_opt_header
 
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pgm_opt_path_nla
 
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pgm_opt6_path_nla
 
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--------------------------------------------------------------------------------
 
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   OPT_INVALID     0x7F - Option invalidated